diff --git a/.DS_Store b/.DS_Store new file mode 100644 index 0000000..aa552bd Binary files /dev/null and b/.DS_Store differ diff --git a/.gitignore b/.gitignore index ad79159..072c47b 100644 --- a/.gitignore +++ b/.gitignore @@ -1,3 +1 @@ -__pycache__ -moodbase-env -.DS_Store \ No newline at end of file +todo.txt \ No newline at end of file diff --git a/.vscode/launch.json b/.vscode/launch.json new file mode 100644 index 0000000..ae69cd4 --- /dev/null +++ b/.vscode/launch.json @@ -0,0 +1,52 @@ +{ + // Use IntelliSense to learn about possible attributes. + // Hover to view descriptions of existing attributes. + // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387 + "version": "0.2.0", + "configurations": [ + { + "name": "Chrome", + "type": "chrome", + "request": "launch", + "url": "http://localhost:8080", + "webRoot": "${workspaceFolder}/src", + "sourceMapPathOverrides": { + "webpack-internal:///./src/": "${webRoot}/*", + "webpack-internal:///src/*": "${webRoot}/*" + } + }, + { + "type": "firefox", + "request": "launch", + "name": "vuejs: firefox", + "url": "http://localhost:8080", + "webRoot": "${workspaceFolder}/src", + "pathMappings": [{ "url": "webpack:///src/", "path": "${webRoot}/" }] + }, + { + "name": "Launch via NPM", + "request": "launch", + "runtimeArgs": [ + "run-script", + "debug" + ], + "runtimeExecutable": "npm", + "skipFiles": [ + "/**" + ], + "type": "pwa-node" + }, + { + "name": "Python: FastAPI", + "type": "python", + "request": "launch", + "module": "uvicorn", + "args": [ + "main:app" + ], + "jinja": true, + "justMyCode":false, + + } + ] +} \ No newline at end of file diff --git a/.vscode/settings.json b/.vscode/settings.json new file mode 100644 index 0000000..d32b806 --- /dev/null +++ b/.vscode/settings.json @@ -0,0 +1,7 @@ +{ + "python.linting.pylintEnabled": true, + "python.linting.enabled": true, + "python.linting.pylintArgs": [ + "--disable=C0103" + ] +} \ No newline at end of file diff --git a/__pycache__/db.cpython-39.pyc b/__pycache__/db.cpython-39.pyc new file mode 100644 index 0000000..6d9241a Binary files /dev/null and b/__pycache__/db.cpython-39.pyc differ diff --git a/__pycache__/main.cpython-39.pyc b/__pycache__/main.cpython-39.pyc new file mode 100644 index 0000000..b8d71ae Binary files /dev/null and b/__pycache__/main.cpython-39.pyc differ diff --git a/backend/.gitignore b/backend/.gitignore new file mode 100644 index 0000000..b5e532d --- /dev/null +++ b/backend/.gitignore @@ -0,0 +1,4 @@ +__pycache__ +moodbase-env +.DS_Store +.env \ No newline at end of file diff --git a/models/__init__.py b/backend/build/lib/models/__init__.py similarity index 100% rename from models/__init__.py rename to backend/build/lib/models/__init__.py diff --git a/backend/build/lib/models/groupModel.py b/backend/build/lib/models/groupModel.py new file mode 100644 index 0000000..7e79f34 --- /dev/null +++ b/backend/build/lib/models/groupModel.py @@ -0,0 +1,10 @@ +from pydantic import BaseModel + +class GroupData(BaseModel): + name:str + memberDict:dict + colors:dict + weightButtons:dict + adminUser:str + timeInterval:int + password:str \ No newline at end of file diff --git a/backend/build/lib/models/plotModel.py b/backend/build/lib/models/plotModel.py new file mode 100644 index 0000000..215734b --- /dev/null +++ b/backend/build/lib/models/plotModel.py @@ -0,0 +1,44 @@ +from typing import ValuesView +from pydantic import BaseModel, Field +from datetime import datetime, timezone + + +# remember x value is happiness y value is calm +class PlotDataSubmission(BaseModel): + lineChart: dict + clickMap: dict + timestamp = datetime.now(timezone.utc) + + def truncateCoordinates(self): + for key, value in self.lineChart.items(): + self.lineChart[key] = round(value,1) + for key,value in self.clickMap.items(): + self.clickMap[key]=int(value) + return True + + def returnList(self): + listOfValues = [] + for value in self.clickMap.values(): + listOfValues.append(value) + for value in self.lineChart.values(): + listOfValues.append(value) + return listOfValues + + def prepareForCommunityData(self,key): + communityEntry=getattr(self,key) + communityEntry['day']=datetime.today() + return communityEntry + +class UserPlotData(BaseModel): + user:str + dictWithLists:dict + +class UserColorChoices(BaseModel): + happyColor:dict + calmColor:dict + sadColor:dict + anxiousColor:dict + +class UserColorChange(BaseModel): + colorChange:dict + variable:str diff --git a/backend/build/lib/models/userModel.py b/backend/build/lib/models/userModel.py new file mode 100644 index 0000000..adf38c4 --- /dev/null +++ b/backend/build/lib/models/userModel.py @@ -0,0 +1,20 @@ +from typing import Optional +from db import userData +from pydantic import BaseModel, EmailStr, Field + +class TestModel(BaseModel): + testing:str + +class User(BaseModel): + username: str + password: str + email: Optional[EmailStr] + active= False + +class ActivationModel(BaseModel): + token:str + +class ResetModel(BaseModel): + email:Optional[EmailStr] + token:Optional[str] + newPassword:Optional[str] \ No newline at end of file diff --git a/backend/build/lib/models/weightModel.py b/backend/build/lib/models/weightModel.py new file mode 100644 index 0000000..d52d1fc --- /dev/null +++ b/backend/build/lib/models/weightModel.py @@ -0,0 +1,7 @@ +from pydantic import BaseModel +from datetime import datetime,timezone + +class WeightData(BaseModel): + name:str + value:int + delta:int diff --git a/backend/build/lib/modules/AuthenticationModule.py b/backend/build/lib/modules/AuthenticationModule.py new file mode 100644 index 0000000..52703a7 --- /dev/null +++ b/backend/build/lib/modules/AuthenticationModule.py @@ -0,0 +1,160 @@ +# database stuff +from db import userData,bannedKeys,aggregateData, groupData +from models.userModel import User +from modules.UserAggregationUtilities import updateUserCountOnActivation + +# email stuff +import modules.EmailModule as email + +# dependency injection stuff +from fastapi import HTTPException, Depends,BackgroundTasks, Security, Header + +# jwt and password stuff +from jose import JWTError, jwt +from passlib.context import CryptContext +from datetime import datetime,timedelta,timezone + +# environment variable and bearer stuff +from config import Secret +from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config + +security = HTTPBearer() + +secret=config('secret') +pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") + +def gate(refresh: str = Header(None), userAuth: HTTPAuthorizationCredentials = Security(security)): + try: + return getUserFromToken(userAuth.credentials) + except: + raise HTTPException(status_code=401,detail='invalid token') + +def verifyUserAtLogin(loginAttempt: User) -> User: + checkUsername={'username':loginAttempt['username']} + if userData.find(checkUsername).limit(1).count()<1: + return False + else: + userToCheck=userData.find_one(checkUsername) + if pwd_context.verify(loginAttempt['password'].encode('utf-8'), userToCheck['password']): + return userToCheck + else: + return False + +def createAccessToken(subName: str,*args) -> dict(): + payload = { + 'exp' : datetime.now(timezone.utc) + timedelta(days=args[0], hours=args[1], minutes=args[2]), + 'iat' : datetime.now(tz=timezone.utc), + 'sub' : subName } + return jwt.encode( + payload, + secret, + algorithm='HS256' + ) + +def getUserFromToken(tokenToUser:str)-> str: + decoded = jwt.decode(tokenToUser, secret, 'HS256') + userStr=decoded['sub'] + return userStr + +def checkToken(tokenToCheck:str)->str: + try: + jwt.decode(tokenToCheck,secret,'HS256') + return tokenToCheck + except: + raise HTTPException(status_code=401,detail='invalid token') + +def addUserToDatabase(user:User) -> dict: + checkUsername={'username':user.username} + # checkEmail={'email':user.email} + if userData.find(checkUsername).limit(1).count()>0: + raise HTTPException(status_code=404,detail="User already exists with this ID or email address") + else: + userToDB=user.dict() + userToDB['groupMemberships']={} + userToDB['password']=pwd_context.hash(user.password) + userData.insert_one(userToDB) + activationToken=createAccessToken(user.username,2,0,0) + url=createUrlForEmail("activate",activationToken) + activationSpecs={'urlDict':{'url':url},'subject':'Activation email', + 'recipient':user.email,'template':'ActivationEmail.html'} + return activationSpecs + +def createUrlForEmail(route: str,token:str) -> str: + url=f"http://localhost:8080/{route}/{token}" + return url + +def activateUser(tokenDict: dict) -> dict: + user=getUserFromToken(tokenDict.token) + userData.update_one({'username':user},{'$set':{'active':True}}) + updateUserCountOnActivation() + activationToken=createAccessToken(user,0,0,30) + return activationToken + +def sendResetEmail(emailObj): + lookupEmail={'email':emailObj.email} + user=userData.find_one(lookupEmail) + forgotToken=createAccessToken(user,0,0,60) + url=createUrlForEmail("reset",forgotToken) + emailSpecifications={ + 'recipient':emailObj.email, + 'urlDict': {'url':url}, + 'subject':"Reset password email", + 'template':'ResetEmail.html'} + return emailSpecifications + +def resetPassword(newPassword): + resetToken=newPassword.token + user=getUserFromToken(resetToken) + if not user: raise HTTPException(status_code=404,detail='Did not work') + userData.update_one({'username':user}, + {'$set':{'password':pwd_context.hash(newPassword.newPassword)}}) + return {'message':'password reset successfully'} + +def attemptRefresh(refreshToken): + user=getUserFromToken(refreshToken) + if user: + return {'access_token':createAccessToken(user,0,0,1),'token_type':'bearer'} + else: + raise HTTPException(status_code=401,detail='invalid token') + +def banKeyTTL(tokenToBan): + try: + expiry = createTTL(tokenToBan) + bannedKeys.insert_one({'expires':expiry,'tokenValue':tokenToBan}) + return True + except: + raise HTTPException(status_code=418, detail="Something happened") + +def createTTL(token:str): + decoded = jwt.decode(token,secret,'HS256') + expDT = datetime.fromtimestamp(decoded['exp'],tz=timezone.utc) + return expDT + # timeToExpire = (expDT - datetime.now(timezone.utc)).total_seconds() + # return timeToExpire + +def sendGroupInvitations(groupName:str,membersToInvite:dict): + for member in membersToInvite.keys(): + email.sendEmailBackground({ + 'recipient':userData.find_one({'user':member})['email'], + 'urlDict':{ + 'url':createUrlForEmail("groups/"+groupName,createAccessToken(member)), + 'groupName':groupName + }, + 'subject':'Your invitation to a moodgroup', + 'template':'GroupInvitation.html' + }) + return True + +def handleGroupLogin(userToken:str,groupName:str): + userToCheck= userData.find_one ( + {'username': getUserFromToken(userToken)} + ) + groupToCheck = groupData.find_one( + {'name':groupName}) + if 'groupName' in userToCheck['groupMemberships'] and + userToCheck['username'] in groupToCheck['memberDict' ]: + return True + else: + raise HTTPException(status_code=404,detail='You are not currently a member of this group. Speak to the group administrator to regain access.') diff --git a/backend/build/lib/modules/EmailModule.py b/backend/build/lib/modules/EmailModule.py new file mode 100644 index 0000000..17bc3f9 --- /dev/null +++ b/backend/build/lib/modules/EmailModule.py @@ -0,0 +1,59 @@ +from fastapi import BackgroundTasks +from fastapi_mail import FastMail, MessageSchema, ConnectionConfig +from pathlib import Path +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config + +# environment variables +class Envs: + MAIL_USERNAME = config('MAIL_USERNAME') + MAIL_PASSWORD = config('MAIL_PASSWORD') + MAIL_FROM = config('MAIL_FROM') + MAIL_PORT = int(config('MAIL_PORT')) + MAIL_SERVER = config('MAIL_SERVER') + MAIL_FROM_NAME = config('MAIL_FROM_NAME') + +# mail config + +mailer = ConnectionConfig( + MAIL_USERNAME=Envs.MAIL_USERNAME, + MAIL_PASSWORD=Envs.MAIL_PASSWORD, + MAIL_FROM=Envs.MAIL_FROM, + MAIL_PORT=Envs.MAIL_PORT, + MAIL_SERVER=Envs.MAIL_SERVER, + MAIL_FROM_NAME=Envs.MAIL_FROM_NAME, + MAIL_TLS=True, + MAIL_SSL=False, + USE_CREDENTIALS=True, + # TEMPLATE_FOLDER=Path(__file__).parent.parent / "templates" +) + +# mail functions + +async def send_email_async(emailSpecs): + recipient="danbidikov@gmail.com" + # template_body={'url':url} + message = MessageSchema( + subject=emailSpecs['subject'], + recipients=[recipient], + template_body=emailSpecs['urlDict'], + subtype='html', + ) + + fm = FastMail(mailer) + await fm.send_message(message,template_name=emailSpecs['template']) + +async def sendEmailBackground(emailSpecs:dict): + recipient="danbidikov@gmail.com" + message = MessageSchema( + subject=emailSpecs['subject'], + recipients=[recipient], + template_body=emailSpecs['urlDict'], + subtype='html', + ) + # background_task=BackgroundTasks + fm = FastMail(mailer) + await fm.send_message( message, template_name=emailSpecs['template']) + + # return {'message':'email has been sent'} \ No newline at end of file diff --git a/backend/build/lib/modules/PlotDataModule.py b/backend/build/lib/modules/PlotDataModule.py new file mode 100644 index 0000000..1098733 --- /dev/null +++ b/backend/build/lib/modules/PlotDataModule.py @@ -0,0 +1,62 @@ +from db import plotData, colorData +from models.plotModel import PlotDataSubmission, UserColorChange +from schemas import PlotSchema, ColorSchema +import os +from bson import json_util +import json + +def filePlotClick(user:str,data:PlotDataSubmission): + data.truncateCoordinates() + # if plotData.find({'community':True}).limit(1).countDocuments()<1: + # PlotSchema.createCommunityDocument(data) + PlotSchema.updateUserPlotDataDocument(user,data) + PlotSchema.updateCommunityPlotData(data) + ColorSchema.getPopularColors() + return True + +def getUserClickData(user:str): + if plotData.find({'user':user}).limit(1).count()<1: + clickData=PlotSchema.createUserPlotDataDocument(user) + else: + clickData=plotData.find_one({'user':user},{'_id':0}) + return clickData + +def getCommunityClickData(): + communityData = plotData.find_one({'community':True}) + del communityData['_id'] + del communityData['community'] + return json.loads(json_util.dumps(communityData)) + +def getUserColors(user:str): + if colorData.find({'user':user}).limit(1).count()<1: + return ColorSchema.createUserColorProfile(user) + else: + colorProfile = colorData.find_one({'user':user},{'_id':0}) + return colorProfile + +def changeUserColor(user:str,changeData:UserColorChange): + try: + ColorSchema.updateUserColorProfile(user,changeData) + return {'Message':'Color change successful'} + except: + return {'something happened':'color change failed'} + +def getColorList(): + currentCategory='black' + colors={'black':{},'gray':{},'blue':{},'green':{}, + 'yellow':{},'brown':{},'orange':{},'red':{}, + 'pink':{},'purple':{},'white':{}} + with open(os.path.join(os.path.dirname(__file__),"ColorCombinations.csv")) as colorList: + for color in colorList: + readCSV=color.split(',') + if readCSV[0]=="Category": + currentCategory=readCSV[1].strip() + else: + colors[currentCategory][readCSV[0]]=readCSV[1].strip() + return colors + +def getPopularColors(): + return ColorSchema.getPopularColors() + +def getCommunityColors(emotionVar:str): + return ColorSchema.getColorAggregates(emotionVar) \ No newline at end of file diff --git a/backend/build/lib/modules/UserAggregationUtilities.py b/backend/build/lib/modules/UserAggregationUtilities.py new file mode 100644 index 0000000..31e0b55 --- /dev/null +++ b/backend/build/lib/modules/UserAggregationUtilities.py @@ -0,0 +1,13 @@ +from db import userData + +def updateUserCountOnActivation(): + try: + userData.update_one({'isUserCount':True}, {'$inc':{'count':1} }) + except: + userData.insert_one({'isUserCount':True,'count':1}) + +def getNumberOfUsers(): + try: + return userData.find_one({'isUserCount':True})['count'] + except: + return False \ No newline at end of file diff --git a/routes/__init__.py b/backend/build/lib/modules/__init__.py similarity index 100% rename from routes/__init__.py rename to backend/build/lib/modules/__init__.py diff --git a/schemas/__init__.py b/backend/build/lib/routes/__init__.py similarity index 100% rename from schemas/__init__.py rename to backend/build/lib/routes/__init__.py diff --git a/backend/build/lib/routes/allot.py b/backend/build/lib/routes/allot.py new file mode 100644 index 0000000..9fff56c --- /dev/null +++ b/backend/build/lib/routes/allot.py @@ -0,0 +1,27 @@ +from fastapi import APIRouter, Depends +from models.weightModel import WeightData +import schemas.WeightSchema as weight +from modules.AuthenticationModule import gate + +weightRoute=APIRouter( + prefix="/api/allot", + tags=['WeightData'], +) + +@weightRoute.post('/updateweightdata') +def updateWeightData(data:WeightData,user:str=Depends(gate)): + weight.updateWeightData(user=user,newData=data) + return True + +@weightRoute.get('/retrieveweightdata') +def retrieveWeightData(user:str=Depends(gate)): + return weight.retrieveWeightData(user) + +@weightRoute.post('/createnewbutton/{name}') +def createNewWeight(name:str,user:str=Depends(gate)): + weight.createNewButton(name,user) + return True + +@weightRoute.post('/deletebutt/{name}') +def wipeButt(name:str,user:str=Depends(gate)): + return weight.wipeButt(name,user) \ No newline at end of file diff --git a/backend/build/lib/routes/auth.py b/backend/build/lib/routes/auth.py new file mode 100644 index 0000000..5e0e093 --- /dev/null +++ b/backend/build/lib/routes/auth.py @@ -0,0 +1,66 @@ +from itertools import filterfalse +from typing import Optional +from fastapi import APIRouter, Depends, HTTPException, status, BackgroundTasks, Request, Header, Security +from fastapi.responses import JSONResponse +from models.userModel import User,ActivationModel,ResetModel,TestModel +import modules.AuthenticationModule as auth +import modules.EmailModule as email +from schemas.userSchema import parseUser + + +authRoute=APIRouter( + prefix="/api/auth", + tags=['UserAuthentication'], +) + +@authRoute.post('/register') +async def registerUser(newUser: User,background_tasks:BackgroundTasks): + emailToSend=auth.addUserToDatabase(newUser) + background_tasks.add_task(email.sendEmailBackground,emailToSend) + return + +@authRoute.post('/login') +def loginUser( user: User ): + checkedUser = auth.verifyUserAtLogin({'username': user.username, 'password': user.password}) + if checkedUser==False: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Incorrect username or password", + headers={"WWW-Authenticate": "Bearer"}, + ) + access_token=auth.createAccessToken(user.username,0,0,3) + refresh_token=auth.createAccessToken(user.username,0,8,1) + return {"access_token":access_token,'token_type':'bearer','refresh_token':refresh_token} + +@authRoute.get('/refresh') +async def sendNewToken(refresh=Header(None), check_token=Header(None)): + try: + auth.getUserFromToken(check_token) + return {'access_token':check_token,'token_type':'bearer'} + except: + try: + return auth.attemptRefresh(refresh) + except: + raise HTTPException(status_code=401,detail='invalid token') + +@authRoute.post('/logout') +def logout(refresh:str = Header(None),user: str = Depends(auth.gate)): + auth.banKeyTTL(refresh) + return {"delete":True} + +@authRoute.post('/activate') +def activate(tokenDict:ActivationModel): + newToken = auth.activateUser(tokenDict) + return {"access_token":newToken, "token_type":"bearer"} + +@authRoute.post('/forgot') +async def sendResetEmail(emailObj:ResetModel,background_tasks:BackgroundTasks): + emailToSend=auth.sendResetEmail(emailObj) + background_tasks.add_task(email.sendEmailBackground,emailToSend) + return {'message':f"reset email sent"} + +@authRoute.post('/reset') +def reset(newPassword:ResetModel): + auth.resetPassword(newPassword) + return {'message':'password reset successful'} + diff --git a/backend/build/lib/routes/groups.py b/backend/build/lib/routes/groups.py new file mode 100644 index 0000000..872d8f8 --- /dev/null +++ b/backend/build/lib/routes/groups.py @@ -0,0 +1,22 @@ +from fastapi import APIRouter, Depends +from models.groupModel import GroupData +from schemas import GroupSchema +from modules.AuthenticationModule import gate, getUserFromToken + +groupRoute=APIRouter( + prefix="/api/groups", + tags=['GroupData'], +) + +# @groupRoute.post('/creategroup') +# def createNewGroup(newGroup: GroupData, user:str=Depends(gate)): +# GroupSchema.createGroup(newGroup,getUserFromToken(user)) +# return + +@groupRoute.post('/checkgroupname/{name}') +def validateName(name:str, user:str=Depends(gate)): + return GroupSchema.validateGroupName(name,user) + +@groupRoute.post('/checkmembernames') +def validateMemberNames(names:list,user:str=Depends(gate)): + return \ No newline at end of file diff --git a/backend/build/lib/routes/plot.py b/backend/build/lib/routes/plot.py new file mode 100644 index 0000000..e5b63c8 --- /dev/null +++ b/backend/build/lib/routes/plot.py @@ -0,0 +1,43 @@ +# from routes.auth import gate +from fastapi import APIRouter, Depends +from models.plotModel import PlotDataSubmission,UserPlotData,UserColorChange +from modules.AuthenticationModule import gate +import modules.PlotDataModule as plot +from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer + +plotRoute=APIRouter( + prefix="/api/plot", + tags=['PlotData'], +) + +@plotRoute.post('/getplotclick') +def getPlotClick(clickData:PlotDataSubmission, user:str=Depends(gate)): + return plot.filePlotClick(user,clickData) + +@plotRoute.post('/usercolorchoice') +def getInitialColors(user:str=Depends(gate)): + return plot.getUserColors(user) + +@plotRoute.post('/changecolors') +def changeColor(colorChange:UserColorChange,user:str = Depends(gate)): + return plot.changeUserColor(user,colorChange) + +@plotRoute.get('/userclickdata') +def getUserClickData(user:str = Depends(gate)): + return plot.getUserClickData(user) + +@plotRoute.get('/communityclickdata') +def getCommunityClickData(): + return plot.getCommunityClickData() + +@plotRoute.get('/listofcolors') +def sendColorList(): + return plot.getColorList() + +@plotRoute.get('/popularcolors') +def getPopularColors(): + return plot.getPopularColors() + +@plotRoute.get('/communitycolors/{variable}') +def getCommunityColors(variable:str): + return plot.getCommunityColors(variable) diff --git a/backend/build/lib/schemas/ColorSchema.py b/backend/build/lib/schemas/ColorSchema.py new file mode 100644 index 0000000..3bfd83a --- /dev/null +++ b/backend/build/lib/schemas/ColorSchema.py @@ -0,0 +1,47 @@ +from db import colorData +from models.plotModel import UserColorChange + +def createUserColorProfile(user:str): + newColorProfile = {'user':user, + 'happiness':{'family':"green",'hex':"#FBF6D9"}, + 'sadness':{'family':"purple",'hex':'#2B1B17'}, + 'calm':{'family':"blue",'hex':'#CFECEC'}, + 'anxiety':{'family':"orange",'hex':'#C35817'}, + } + colorData.insert_one(newColorProfile) + del newColorProfile['_id'] + return newColorProfile + +def updateUserColorProfile(user:str,newColor:UserColorChange): + colorData.update_one({'user':user},[{'$set':{newColor.variable:newColor.colorChange}}]) + return True + +def getColorAggregates(*args): + colorAggData={} + for variable in ['family','hex']: + if args: + colorAggData.setdefault(variable,list(colorData.aggregate(createPopularityPipeline(args[0],variable)))) + else: + for emotion in ['happiness','sadness','calm','anxiety']: + colorAggData.setdefault(emotion,{}).setdefault(variable,list(colorData.aggregate(createPopularityPipeline(emotion,variable)))) + return colorAggData + +def createPopularityPipeline(emotion:str,variable:str): + pipeline=[ + { + '$sortByCount':'$'+emotion+"."+variable + }, + { + '$project':{'_id':0,'value':'$_id','count':1} + }, + ] + return pipeline + +def getPopularColors(): + popularDict={'happiness':{},'sadness':{},'calm':{},'anxiety':{}} + for emotion, value in getColorAggregates().items(): + popularDict[emotion]['mostPopularFamily']=value['family'][0]['value'] + popularDict[emotion]['popularityCount']=value['family'][0]['count'] + if value['hex'][0]['count']>2: + popularDict[emotion]['mostPopularHex']=value['hex'][0] + return popularDict \ No newline at end of file diff --git a/backend/build/lib/schemas/GroupSchema.py b/backend/build/lib/schemas/GroupSchema.py new file mode 100644 index 0000000..5103609 --- /dev/null +++ b/backend/build/lib/schemas/GroupSchema.py @@ -0,0 +1,58 @@ +from db import groupData, userData +from models.groupModel import GroupData +from modules.AuthenticationModule import sendGroupInvitations, pwd_context +from schemas import ColorSchema, WeightSchema, PlotSchema + +def validateGroupName(user:str,groupName:str): + if groupData.find({'name':groupName,'owner':user}).limit(1).count()>0: + return {"error":"You already own a group with this name"} + return {"success": "Group name valid"} + +def validateMemberNames(listOfNames:list): + response = {'unregistered':[],'registered':[]} + for name in listOfNames: + checkUser = userData.find_one({'email':name}) + if not checkUser: + response['unregistered'].append(checkUser) + else: + response['registered'].append(checkUser) + return response + +def createGroup(data:GroupData,adminUser:str): + groupName=adminUser+'!!!'+data.name + if groupData.find({'name':groupName}).limit(1).count()>0: + return False + groupData.insert_one({ + 'name':groupName, + 'members':data.memberDict, + 'owner':adminUser, + 'groupWeights':data.weightButtons, + 'timeInterval':data.timeInterval, + 'timestamps':[], + }) + # create entries in color, weight and plot dbs for the group + WeightSchema.createWeightData(groupName) + ColorSchema.createUserColorProfile(groupName) + PlotSchema.createUserPlotDataDocument(groupName) + # true if user is admin false otherwise + for user in data.memberDict.keys(): + userData.update_one({'username':user}, + {'$set':{'groupMemberships.'+data.name:False}}) + userData.update_one({'username':data.adminUser}, + {'$set':{'groupMemberships.'+data.name:True}}) + sendGroupInvitations(data.name,data.memberDict) + return True + +def addMemberToGroup(newUserEmail:str,groupName:str): + newMember=userData.find_one({'email':newUserEmail})['username'] + groupData.update_one( + {'name':groupName}, + {'$set': {'members.'+newMember:False}} + ) + return True + + + + + + \ No newline at end of file diff --git a/backend/build/lib/schemas/PlotSchema.py b/backend/build/lib/schemas/PlotSchema.py new file mode 100644 index 0000000..5f27abb --- /dev/null +++ b/backend/build/lib/schemas/PlotSchema.py @@ -0,0 +1,118 @@ +from db import plotData +from datetime import datetime +from models.plotModel import PlotDataSubmission +from bson import Decimal128 +# def createCommunityDocument(initialData:PlotDataSubmission): +# plotData.insert_one( +# { +# 'community':True, +# 'dayList':[datetime.now().replace(hour=0,minute=0,second=0,microsecond=0)], +# 'mapX':[initialData.clickMap['happinessVal']], +# 'mapY':[initialData.clickMap['calmVal']], +# 'averageLineChartHappiness':[initialData.lineChart['happinessVal']], +# 'averageLineChartCalm':[initialData.lineChart['calmVal']], +# 'totalHappinessByDay':[initialData.lineChart['happinessVal']], +# 'totalCalmByDay':[initialData.lineChart['calmVal']], +# 'clickCount':0 +# } +# ) +# return True + +def createUserPlotDataDocument(user:str): + clickData= { + 'user':user, + 'happiness':[], + 'calm':[], + 'mapX':[], + 'mapY':[], + 'timestamp':[] + } + plotData.insert_one(clickData) + return clickData + +def updateUserPlotDataDocument(user:str,newData:PlotDataSubmission): + plotData.update_one( + {'user':user}, + { + '$push': + { + 'happiness':newData.lineChart['happinessVal'], + 'calm':newData.lineChart['calmVal'], + 'mapX':newData.clickMap['happinessVal'], + 'mapY':newData.clickMap['calmVal'], + 'timestamp':newData.timestamp + }, + }, + upsert=True + ) + return True + +def dumbDecimalThing(floatVal,decimal128Val,countVal): + decimal2Float=float(str(decimal128Val)) + return Decimal128(str((floatVal+decimal2Float)/countVal)) + +def updateCommunityPlotData(newData:PlotDataSubmission): + listOfValues=newData.returnList() + i=0 + currentCommunityData = plotData.find_one({'community':True}) + clickCount=currentCommunityData['clickCount']+1 + if len(currentCommunityData['dayList'])<1 or currentCommunityData['dayList'][-1].day != datetime.now().replace(hour=0,minute=0,second=0,microsecond=0).day: + createNewDay(listOfValues) + else: + index=len(currentCommunityData['dayList'])-1 + del currentCommunityData['_id'] + for key,value in currentCommunityData.items(): + if key[0]=="m": + plotData.update_one( + {'community':True}, + {'$set': + {key+'.'+str(index):dumbDecimalThing(listOfValues[i],value[index],clickCount)} + } + ) + i+=1 + if key[0]=="a": + plotData.update_one( + {'community':True}, + {'$set': + {key+"."+str(index):dumbDecimalThing(listOfValues[i],value[index],clickCount)} + } + ) + i+=1 + elif key[0]=='t': + plotData.update_one( + {'community':True}, + {'$inc': + { + 'totalHappinessByDay.'+str(index):newData.lineChart['happinessVal'], + 'totalCalmByDay.'+str(index):newData.lineChart['calmVal'], + } + } + ) + plotData.update_one( + {'community':True}, + {'$inc': + { + 'clickCount':1 + } + } + ) + + + return True + +def createNewDay(listOfValues:list): + plotData.update_one({'community':True}, + {'$push': + { + 'dayList':datetime.now().replace(hour=0,minute=0,second=0), + 'mapX':listOfValues[0], + 'mapY':listOfValues[1], + 'averageLineChartHappiness':listOfValues[2], + 'averageLineChartCalm':listOfValues[3], + 'totalHappinessByDay':listOfValues[2], + 'totalCalmByDay':listOfValues[3], + }, + '$inc': + {'clickCount':1} + }) + return True \ No newline at end of file diff --git a/backend/build/lib/schemas/WeightSchema.py b/backend/build/lib/schemas/WeightSchema.py new file mode 100644 index 0000000..d943e40 --- /dev/null +++ b/backend/build/lib/schemas/WeightSchema.py @@ -0,0 +1,132 @@ +from db import weightData, weightPopularityData +from models.weightModel import WeightData +from datetime import datetime + +def createWeightData(user:str): + newWeightData ={ + 'user':user, + 'family':{'totals':0,'daily':[0],'withinDay':[[0]]}, + 'health':{'totals':0,'daily':[0],'withinDay':[[0]]}, + 'work or school':{'totals':0,'daily':[0],'withinDay':[[0]]}, + 'relationships':{'totals':0,'daily':[0],'withinDay':[[0]]}, + 'spirituality or faith':{'totals':0,'daily':[0],'withinDay':[[0]]}, + 'days':[datetime.today()] + } + weightData.insert_one(newWeightData) + for key in newWeightData.keys(): + if key!='user' and key!='days': + updateWeightPopularity(key) + return True + +# increment the count of users with a given weight button by 1 when assigning user default weight buttons +def updateWeightPopularity(name:str): + weightPopularityData.update_one( + {'name':name}, + { + '$inc': + { + 'value':1 + } + } + ) + return True + +def updateWeightData(user:str,newData:WeightData): + index=len(weightData.find_one({'user':user})['days'])-1 + weightData.update_one({'user':user}, + { + '$inc': + {newData.name+'.totals':newData.delta}, + '$push': + {newData.name+'.withinDay.'+str(index):newData.value}, + '$set': + {newData.name+'.daily.'+str(index):newData.value} + }, + ) + return True + +def retrieveWeightData(user:str): + if weightData.find({'user':user}).limit(1).count()<1: + createWeightData(user=user) + currentButtonValues=weightData.find_one({'user':user},{'_id': 0,'user':0}) + if currentButtonValues['days'][-1].day != datetime.today().day: + return createNewDay(user=user,buttonNames=currentButtonValues.keys()) + else: + buttons={} + for key,value in currentButtonValues.items(): + if key != 'days': + buttons[key]=value['withinDay'][-1][-1] + return buttons + +def createNewDay(user:str,buttonNames:list): + newDayNewButtons={} + for name in buttonNames: + if name!='days': + newDayNewButtons[name]=0 + weightData.update_one({'user':user}, + { + '$push': + { + name+'.withinDay':[0], + name+'.daily':0 + } + } + ) + else: + weightData.update_one({'user':user}, + { + '$push': + { + 'days':datetime.today() + }, + } + ) + return newDayNewButtons + +def createNewButton(name:str,user:str): + weightData.update_one({'user':user}, + { + '$set': + { + name+'.totals':0, + name+'.daily':[0], + name+'.withinDay':[[0]] + } + }, + ), + if weightPopularityData.find({'name':name}).limit(1).count()<1: + weightPopularityData.insert_one({'name':name,'value':1,'custom':True}) + else: + weightPopularityData.update_one( + {'name':name}, + { + '$inc': + { + 'value':1 + } + } + ) + return True + +def wipeButt(name:str,user:str): + weightData.update_one( + {'user':user}, + { '$unset': {name:""}} + ) + weightPopularityData.update_one( + {'name':name}, + { + '$inc': + { + 'value':-1 + } + } + ) + return True + +def getPopularWeights(): + return weightPopularityData.aggregate( + [ + { '$sort' : { 'name' : 1 } } + ] + ) \ No newline at end of file diff --git a/backend/build/lib/schemas/__init__.py b/backend/build/lib/schemas/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/build/lib/schemas/userSchema.py b/backend/build/lib/schemas/userSchema.py new file mode 100644 index 0000000..96c361a --- /dev/null +++ b/backend/build/lib/schemas/userSchema.py @@ -0,0 +1,11 @@ +from collections import UserDict +from models.userModel import User + +def parseUser(user) -> dict: + return{ + "id":str(user['_id']), + "username":user['username'], + "email":user['email'], + "password":user['password'], + "active":user['active'] + } diff --git a/backend/config.py b/backend/config.py new file mode 100644 index 0000000..53682f3 --- /dev/null +++ b/backend/config.py @@ -0,0 +1,14 @@ +from pydantic import BaseSettings +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config +import os + +secretKey=config('secret') + +class Secret(BaseSettings): + authjwt_secret_key = secretKey + +class Settings(BaseSettings): + BASE_URL = "http://localhost:8000" + USE_NGROK = os.environ.get("USE_NGROK", "False") == "True" \ No newline at end of file diff --git a/backend/db.py b/backend/db.py new file mode 100644 index 0000000..3ea9edb --- /dev/null +++ b/backend/db.py @@ -0,0 +1,15 @@ +from pymongo import MongoClient +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config + +conn = MongoClient(config('conn')) +db=conn['mbdata'] +userData=db['Users'] +plotData=db['PlotData'] +colorData=db['ColorChoices'] +bannedKeys=db['BannedKeys'] +aggregateData=db['AggregateData'] +weightData=db['WeightData'] +weightPopularityData=db['WeightPopularityData'] +groupData=db['GroupData'] \ No newline at end of file diff --git a/backend/main.py b/backend/main.py new file mode 100644 index 0000000..5686e4d --- /dev/null +++ b/backend/main.py @@ -0,0 +1,42 @@ +# from models.userModel import User +from fastapi import FastAPI, Depends, Request +from fastapi.responses import JSONResponse +from fastapi.middleware.cors import CORSMiddleware +from pymongo import MongoClient +from routes import auth, plot,allot,groups +from config import Settings + +app=FastAPI() +settings = Settings() +origins=[ + "http://localhost:8080" +] + +app.add_middleware( + CORSMiddleware, + allow_origins=origins, + allow_credentials=True, + allow_methods=["*"], + allow_headers=["*"], +) + +if settings.USE_NGROK: + # pyngrok should only ever be installed or initialized in a dev environment when this flag is set + from pyngrok import ngrok + + # Get the dev server port (defaults to 8000 for Uvicorn, can be overridden with `--port` + # when starting the server + port = sys.argv[sys.argv.index("--port") + 1] if "--port" in sys.argv else 8000 + + # Open a ngrok tunnel to the dev server + public_url = ngrok.connect(port).public_url + logger.info("ngrok tunnel \"{}\" -> \"http://127.0.0.1:{}\"".format(public_url, port)) + + # Update any base URLs or webhooks to use the public ngrok URL + settings.BASE_URL = public_url + init_webhooks(public_url) + +app.include_router(auth.authRoute) +app.include_router(plot.plotRoute) +app.include_router(allot.weightRoute) +app.include_router(groups.groupRoute) diff --git a/backend/mb-env/bin/Activate.ps1 b/backend/mb-env/bin/Activate.ps1 new file mode 100644 index 0000000..2fb3852 --- /dev/null +++ b/backend/mb-env/bin/Activate.ps1 @@ -0,0 +1,241 @@ +<# +.Synopsis +Activate a Python virtual environment for the current PowerShell session. + +.Description +Pushes the python executable for a virtual environment to the front of the +$Env:PATH environment variable and sets the prompt to signify that you are +in a Python virtual environment. Makes use of the command line switches as +well as the `pyvenv.cfg` file values present in the virtual environment. + +.Parameter VenvDir +Path to the directory that contains the virtual environment to activate. The +default value for this is the parent of the directory that the Activate.ps1 +script is located within. + +.Parameter Prompt +The prompt prefix to display when this virtual environment is activated. By +default, this prompt is the name of the virtual environment folder (VenvDir) +surrounded by parentheses and followed by a single space (ie. '(.venv) '). + +.Example +Activate.ps1 +Activates the Python virtual environment that contains the Activate.ps1 script. + +.Example +Activate.ps1 -Verbose +Activates the Python virtual environment that contains the Activate.ps1 script, +and shows extra information about the activation as it executes. + +.Example +Activate.ps1 -VenvDir C:\Users\MyUser\Common\.venv +Activates the Python virtual environment located in the specified location. + +.Example +Activate.ps1 -Prompt "MyPython" +Activates the Python virtual environment that contains the Activate.ps1 script, +and prefixes the current prompt with the specified string (surrounded in +parentheses) while the virtual environment is active. + +.Notes +On Windows, it may be required to enable this Activate.ps1 script by setting the +execution policy for the user. You can do this by issuing the following PowerShell +command: + +PS C:\> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser + +For more information on Execution Policies: +https://go.microsoft.com/fwlink/?LinkID=135170 + +#> +Param( + [Parameter(Mandatory = $false)] + [String] + $VenvDir, + [Parameter(Mandatory = $false)] + [String] + $Prompt +) + +<# Function declarations --------------------------------------------------- #> + +<# +.Synopsis +Remove all shell session elements added by the Activate script, including the +addition of the virtual environment's Python executable from the beginning of +the PATH variable. + +.Parameter NonDestructive +If present, do not remove this function from the global namespace for the +session. + +#> +function global:deactivate ([switch]$NonDestructive) { + # Revert to original values + + # The prior prompt: + if (Test-Path -Path Function:_OLD_VIRTUAL_PROMPT) { + Copy-Item -Path Function:_OLD_VIRTUAL_PROMPT -Destination Function:prompt + Remove-Item -Path Function:_OLD_VIRTUAL_PROMPT + } + + # The prior PYTHONHOME: + if (Test-Path -Path Env:_OLD_VIRTUAL_PYTHONHOME) { + Copy-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME -Destination Env:PYTHONHOME + Remove-Item -Path Env:_OLD_VIRTUAL_PYTHONHOME + } + + # The prior PATH: + if (Test-Path -Path Env:_OLD_VIRTUAL_PATH) { + Copy-Item -Path Env:_OLD_VIRTUAL_PATH -Destination Env:PATH + Remove-Item -Path Env:_OLD_VIRTUAL_PATH + } + + # Just remove the VIRTUAL_ENV altogether: + if (Test-Path -Path Env:VIRTUAL_ENV) { + Remove-Item -Path env:VIRTUAL_ENV + } + + # Just remove the _PYTHON_VENV_PROMPT_PREFIX altogether: + if (Get-Variable -Name "_PYTHON_VENV_PROMPT_PREFIX" -ErrorAction SilentlyContinue) { + Remove-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Scope Global -Force + } + + # Leave deactivate function in the global namespace if requested: + if (-not $NonDestructive) { + Remove-Item -Path function:deactivate + } +} + +<# +.Description +Get-PyVenvConfig parses the values from the pyvenv.cfg file located in the +given folder, and returns them in a map. + +For each line in the pyvenv.cfg file, if that line can be parsed into exactly +two strings separated by `=` (with any amount of whitespace surrounding the =) +then it is considered a `key = value` line. The left hand string is the key, +the right hand is the value. + +If the value starts with a `'` or a `"` then the first and last character is +stripped from the value before being captured. + +.Parameter ConfigDir +Path to the directory that contains the `pyvenv.cfg` file. +#> +function Get-PyVenvConfig( + [String] + $ConfigDir +) { + Write-Verbose "Given ConfigDir=$ConfigDir, obtain values in pyvenv.cfg" + + # Ensure the file exists, and issue a warning if it doesn't (but still allow the function to continue). + $pyvenvConfigPath = Join-Path -Resolve -Path $ConfigDir -ChildPath 'pyvenv.cfg' -ErrorAction Continue + + # An empty map will be returned if no config file is found. + $pyvenvConfig = @{ } + + if ($pyvenvConfigPath) { + + Write-Verbose "File exists, parse `key = value` lines" + $pyvenvConfigContent = Get-Content -Path $pyvenvConfigPath + + $pyvenvConfigContent | ForEach-Object { + $keyval = $PSItem -split "\s*=\s*", 2 + if ($keyval[0] -and $keyval[1]) { + $val = $keyval[1] + + # Remove extraneous quotations around a string value. + if ("'""".Contains($val.Substring(0, 1))) { + $val = $val.Substring(1, $val.Length - 2) + } + + $pyvenvConfig[$keyval[0]] = $val + Write-Verbose "Adding Key: '$($keyval[0])'='$val'" + } + } + } + return $pyvenvConfig +} + + +<# Begin Activate script --------------------------------------------------- #> + +# Determine the containing directory of this script +$VenvExecPath = Split-Path -Parent $MyInvocation.MyCommand.Definition +$VenvExecDir = Get-Item -Path $VenvExecPath + +Write-Verbose "Activation script is located in path: '$VenvExecPath'" +Write-Verbose "VenvExecDir Fullname: '$($VenvExecDir.FullName)" +Write-Verbose "VenvExecDir Name: '$($VenvExecDir.Name)" + +# Set values required in priority: CmdLine, ConfigFile, Default +# First, get the location of the virtual environment, it might not be +# VenvExecDir if specified on the command line. +if ($VenvDir) { + Write-Verbose "VenvDir given as parameter, using '$VenvDir' to determine values" +} +else { + Write-Verbose "VenvDir not given as a parameter, using parent directory name as VenvDir." + $VenvDir = $VenvExecDir.Parent.FullName.TrimEnd("\\/") + Write-Verbose "VenvDir=$VenvDir" +} + +# Next, read the `pyvenv.cfg` file to determine any required value such +# as `prompt`. +$pyvenvCfg = Get-PyVenvConfig -ConfigDir $VenvDir + +# Next, set the prompt from the command line, or the config file, or +# just use the name of the virtual environment folder. +if ($Prompt) { + Write-Verbose "Prompt specified as argument, using '$Prompt'" +} +else { + Write-Verbose "Prompt not specified as argument to script, checking pyvenv.cfg value" + if ($pyvenvCfg -and $pyvenvCfg['prompt']) { + Write-Verbose " Setting based on value in pyvenv.cfg='$($pyvenvCfg['prompt'])'" + $Prompt = $pyvenvCfg['prompt']; + } + else { + Write-Verbose " Setting prompt based on parent's directory's name. (Is the directory name passed to venv module when creating the virutal environment)" + Write-Verbose " Got leaf-name of $VenvDir='$(Split-Path -Path $venvDir -Leaf)'" + $Prompt = Split-Path -Path $venvDir -Leaf + } +} + +Write-Verbose "Prompt = '$Prompt'" +Write-Verbose "VenvDir='$VenvDir'" + +# Deactivate any currently active virtual environment, but leave the +# deactivate function in place. +deactivate -nondestructive + +# Now set the environment variable VIRTUAL_ENV, used by many tools to determine +# that there is an activated venv. +$env:VIRTUAL_ENV = $VenvDir + +if (-not $Env:VIRTUAL_ENV_DISABLE_PROMPT) { + + Write-Verbose "Setting prompt to '$Prompt'" + + # Set the prompt to include the env name + # Make sure _OLD_VIRTUAL_PROMPT is global + function global:_OLD_VIRTUAL_PROMPT { "" } + Copy-Item -Path function:prompt -Destination function:_OLD_VIRTUAL_PROMPT + New-Variable -Name _PYTHON_VENV_PROMPT_PREFIX -Description "Python virtual environment prompt prefix" -Scope Global -Option ReadOnly -Visibility Public -Value $Prompt + + function global:prompt { + Write-Host -NoNewline -ForegroundColor Green "($_PYTHON_VENV_PROMPT_PREFIX) " + _OLD_VIRTUAL_PROMPT + } +} + +# Clear PYTHONHOME +if (Test-Path -Path Env:PYTHONHOME) { + Copy-Item -Path Env:PYTHONHOME -Destination Env:_OLD_VIRTUAL_PYTHONHOME + Remove-Item -Path Env:PYTHONHOME +} + +# Add the venv to the PATH +Copy-Item -Path Env:PATH -Destination Env:_OLD_VIRTUAL_PATH +$Env:PATH = "$VenvExecDir$([System.IO.Path]::PathSeparator)$Env:PATH" diff --git a/backend/mb-env/bin/activate b/backend/mb-env/bin/activate new file mode 100644 index 0000000..9be9dd8 --- /dev/null +++ b/backend/mb-env/bin/activate @@ -0,0 +1,66 @@ +# This file must be used with "source bin/activate" *from bash* +# you cannot run it directly + +deactivate () { + # reset old environment variables + if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then + PATH="${_OLD_VIRTUAL_PATH:-}" + export PATH + unset _OLD_VIRTUAL_PATH + fi + if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then + PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}" + export PYTHONHOME + unset _OLD_VIRTUAL_PYTHONHOME + fi + + # This should detect bash and zsh, which have a hash command that must + # be called to get it to forget past commands. Without forgetting + # past commands the $PATH changes we made may not be respected + if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then + hash -r 2> /dev/null + fi + + if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then + PS1="${_OLD_VIRTUAL_PS1:-}" + export PS1 + unset _OLD_VIRTUAL_PS1 + fi + + unset VIRTUAL_ENV + if [ ! "${1:-}" = "nondestructive" ] ; then + # Self destruct! + unset -f deactivate + fi +} + +# unset irrelevant variables +deactivate nondestructive + +VIRTUAL_ENV="/home/dan/g/moodbase/backend/mb-env" +export VIRTUAL_ENV + +_OLD_VIRTUAL_PATH="$PATH" +PATH="$VIRTUAL_ENV/bin:$PATH" +export PATH + +# unset PYTHONHOME if set +# this will fail if PYTHONHOME is set to the empty string (which is bad anyway) +# could use `if (set -u; : $PYTHONHOME) ;` in bash +if [ -n "${PYTHONHOME:-}" ] ; then + _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}" + unset PYTHONHOME +fi + +if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then + _OLD_VIRTUAL_PS1="${PS1:-}" + PS1="(mb-env) ${PS1:-}" + export PS1 +fi + +# This should detect bash and zsh, which have a hash command that must +# be called to get it to forget past commands. Without forgetting +# past commands the $PATH changes we made may not be respected +if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then + hash -r 2> /dev/null +fi diff --git a/backend/mb-env/bin/activate.csh b/backend/mb-env/bin/activate.csh new file mode 100644 index 0000000..1e08151 --- /dev/null +++ b/backend/mb-env/bin/activate.csh @@ -0,0 +1,25 @@ +# This file must be used with "source bin/activate.csh" *from csh*. +# You cannot run it directly. +# Created by Davide Di Blasi . +# Ported to Python 3.3 venv by Andrew Svetlov + +alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate' + +# Unset irrelevant variables. +deactivate nondestructive + +setenv VIRTUAL_ENV "/home/dan/g/moodbase/backend/mb-env" + +set _OLD_VIRTUAL_PATH="$PATH" +setenv PATH "$VIRTUAL_ENV/bin:$PATH" + + +set _OLD_VIRTUAL_PROMPT="$prompt" + +if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then + set prompt = "(mb-env) $prompt" +endif + +alias pydoc python -m pydoc + +rehash diff --git a/backend/mb-env/bin/activate.fish b/backend/mb-env/bin/activate.fish new file mode 100644 index 0000000..820dba3 --- /dev/null +++ b/backend/mb-env/bin/activate.fish @@ -0,0 +1,64 @@ +# This file must be used with "source /bin/activate.fish" *from fish* +# (https://fishshell.com/); you cannot run it directly. + +function deactivate -d "Exit virtual environment and return to normal shell environment" + # reset old environment variables + if test -n "$_OLD_VIRTUAL_PATH" + set -gx PATH $_OLD_VIRTUAL_PATH + set -e _OLD_VIRTUAL_PATH + end + if test -n "$_OLD_VIRTUAL_PYTHONHOME" + set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME + set -e _OLD_VIRTUAL_PYTHONHOME + end + + if test -n "$_OLD_FISH_PROMPT_OVERRIDE" + functions -e fish_prompt + set -e _OLD_FISH_PROMPT_OVERRIDE + functions -c _old_fish_prompt fish_prompt + functions -e _old_fish_prompt + end + + set -e VIRTUAL_ENV + if test "$argv[1]" != "nondestructive" + # Self-destruct! + functions -e deactivate + end +end + +# Unset irrelevant variables. +deactivate nondestructive + +set -gx VIRTUAL_ENV "/home/dan/g/moodbase/backend/mb-env" + +set -gx _OLD_VIRTUAL_PATH $PATH +set -gx PATH "$VIRTUAL_ENV/bin" $PATH + +# Unset PYTHONHOME if set. +if set -q PYTHONHOME + set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME + set -e PYTHONHOME +end + +if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" + # fish uses a function instead of an env var to generate the prompt. + + # Save the current fish_prompt function as the function _old_fish_prompt. + functions -c fish_prompt _old_fish_prompt + + # With the original prompt function renamed, we can override with our own. + function fish_prompt + # Save the return status of the last command. + set -l old_status $status + + # Output the venv prompt; color taken from the blue of the Python logo. + printf "%s%s%s" (set_color 4B8BBE) "(mb-env) " (set_color normal) + + # Restore the return status of the previous command. + echo "exit $old_status" | . + # Output the original/"old" prompt. + _old_fish_prompt + end + + set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" +end diff --git a/backend/mb-env/bin/autopep8 b/backend/mb-env/bin/autopep8 new file mode 100755 index 0000000..b9d41d6 --- /dev/null +++ b/backend/mb-env/bin/autopep8 @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python +# -*- coding: utf-8 -*- +import re +import sys +from autopep8 import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/chardetect b/backend/mb-env/bin/chardetect new file mode 100755 index 0000000..2f8f1c8 --- /dev/null +++ b/backend/mb-env/bin/chardetect @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from chardet.cli.chardetect import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/dotenv b/backend/mb-env/bin/dotenv new file mode 100755 index 0000000..64b45c7 --- /dev/null +++ b/backend/mb-env/bin/dotenv @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from dotenv.cli import cli +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(cli()) diff --git a/backend/mb-env/bin/easy_install b/backend/mb-env/bin/easy_install new file mode 100755 index 0000000..f417b38 --- /dev/null +++ b/backend/mb-env/bin/easy_install @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from setuptools.command.easy_install import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/easy_install-3.9 b/backend/mb-env/bin/easy_install-3.9 new file mode 100755 index 0000000..f417b38 --- /dev/null +++ b/backend/mb-env/bin/easy_install-3.9 @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from setuptools.command.easy_install import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/email_validator b/backend/mb-env/bin/email_validator new file mode 100755 index 0000000..093b771 --- /dev/null +++ b/backend/mb-env/bin/email_validator @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from email_validator import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/epylint b/backend/mb-env/bin/epylint new file mode 100755 index 0000000..af10d9d --- /dev/null +++ b/backend/mb-env/bin/epylint @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pylint import run_epylint +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(run_epylint()) diff --git a/backend/mb-env/bin/flask b/backend/mb-env/bin/flask new file mode 100755 index 0000000..d7024f4 --- /dev/null +++ b/backend/mb-env/bin/flask @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from flask.cli import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/isort b/backend/mb-env/bin/isort new file mode 100755 index 0000000..3600fba --- /dev/null +++ b/backend/mb-env/bin/isort @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from isort.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/isort-identify-imports b/backend/mb-env/bin/isort-identify-imports new file mode 100755 index 0000000..952b544 --- /dev/null +++ b/backend/mb-env/bin/isort-identify-imports @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from isort.main import identify_imports_main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(identify_imports_main()) diff --git a/backend/mb-env/bin/jose b/backend/mb-env/bin/jose new file mode 100755 index 0000000..296f817 --- /dev/null +++ b/backend/mb-env/bin/jose @@ -0,0 +1,12 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# EASY-INSTALL-ENTRY-SCRIPT: 'jose==1.0.0','console_scripts','jose' +__requires__ = 'jose==1.0.0' +import re +import sys +from pkg_resources import load_entry_point + +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0]) + sys.exit( + load_entry_point('jose==1.0.0', 'console_scripts', 'jose')() + ) diff --git a/backend/mb-env/bin/normalizer b/backend/mb-env/bin/normalizer new file mode 100755 index 0000000..2f69153 --- /dev/null +++ b/backend/mb-env/bin/normalizer @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from charset_normalizer.cli.normalizer import cli_detect +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(cli_detect()) diff --git a/backend/mb-env/bin/pip b/backend/mb-env/bin/pip new file mode 100755 index 0000000..f82e582 --- /dev/null +++ b/backend/mb-env/bin/pip @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/pip3 b/backend/mb-env/bin/pip3 new file mode 100755 index 0000000..f82e582 --- /dev/null +++ b/backend/mb-env/bin/pip3 @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/pip3.9 b/backend/mb-env/bin/pip3.9 new file mode 100755 index 0000000..f82e582 --- /dev/null +++ b/backend/mb-env/bin/pip3.9 @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pip._internal.cli.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/bin/pycodestyle b/backend/mb-env/bin/pycodestyle new file mode 100755 index 0000000..6471c5e --- /dev/null +++ b/backend/mb-env/bin/pycodestyle @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python +# -*- coding: utf-8 -*- +import re +import sys +from pycodestyle import _main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(_main()) diff --git a/backend/mb-env/bin/pylint b/backend/mb-env/bin/pylint new file mode 100755 index 0000000..cbb4e49 --- /dev/null +++ b/backend/mb-env/bin/pylint @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pylint import run_pylint +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(run_pylint()) diff --git a/backend/mb-env/bin/pyreverse b/backend/mb-env/bin/pyreverse new file mode 100755 index 0000000..739235f --- /dev/null +++ b/backend/mb-env/bin/pyreverse @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pylint import run_pyreverse +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(run_pyreverse()) diff --git a/backend/mb-env/bin/pyrsa-decrypt b/backend/mb-env/bin/pyrsa-decrypt new file mode 100755 index 0000000..9206201 --- /dev/null +++ b/backend/mb-env/bin/pyrsa-decrypt @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.cli import decrypt +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(decrypt()) diff --git a/backend/mb-env/bin/pyrsa-encrypt b/backend/mb-env/bin/pyrsa-encrypt new file mode 100755 index 0000000..6eb2920 --- /dev/null +++ b/backend/mb-env/bin/pyrsa-encrypt @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.cli import encrypt +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(encrypt()) diff --git a/backend/mb-env/bin/pyrsa-keygen b/backend/mb-env/bin/pyrsa-keygen new file mode 100755 index 0000000..a730483 --- /dev/null +++ b/backend/mb-env/bin/pyrsa-keygen @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.cli import keygen +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(keygen()) diff --git a/backend/mb-env/bin/pyrsa-priv2pub b/backend/mb-env/bin/pyrsa-priv2pub new file mode 100755 index 0000000..d50e6bb --- /dev/null +++ b/backend/mb-env/bin/pyrsa-priv2pub @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.util import private_to_public +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(private_to_public()) diff --git a/backend/mb-env/bin/pyrsa-sign b/backend/mb-env/bin/pyrsa-sign new file mode 100755 index 0000000..ce26ba9 --- /dev/null +++ b/backend/mb-env/bin/pyrsa-sign @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.cli import sign +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(sign()) diff --git a/backend/mb-env/bin/pyrsa-verify b/backend/mb-env/bin/pyrsa-verify new file mode 100755 index 0000000..da0ce71 --- /dev/null +++ b/backend/mb-env/bin/pyrsa-verify @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from rsa.cli import verify +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(verify()) diff --git a/backend/mb-env/bin/python b/backend/mb-env/bin/python new file mode 120000 index 0000000..b8a0adb --- /dev/null +++ b/backend/mb-env/bin/python @@ -0,0 +1 @@ +python3 \ No newline at end of file diff --git a/backend/mb-env/bin/python3 b/backend/mb-env/bin/python3 new file mode 120000 index 0000000..ae65fda --- /dev/null +++ b/backend/mb-env/bin/python3 @@ -0,0 +1 @@ +/usr/bin/python3 \ No newline at end of file diff --git a/backend/mb-env/bin/python3.9 b/backend/mb-env/bin/python3.9 new file mode 120000 index 0000000..b8a0adb --- /dev/null +++ b/backend/mb-env/bin/python3.9 @@ -0,0 +1 @@ +python3 \ No newline at end of file diff --git a/backend/mb-env/bin/symilar b/backend/mb-env/bin/symilar new file mode 100755 index 0000000..559cbbc --- /dev/null +++ b/backend/mb-env/bin/symilar @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from pylint import run_symilar +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(run_symilar()) diff --git a/backend/mb-env/bin/uvicorn b/backend/mb-env/bin/uvicorn new file mode 100755 index 0000000..cf8119b --- /dev/null +++ b/backend/mb-env/bin/uvicorn @@ -0,0 +1,8 @@ +#!/home/dan/g/moodbase/backend/mb-env/bin/python3 +# -*- coding: utf-8 -*- +import re +import sys +from uvicorn.main import main +if __name__ == '__main__': + sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0]) + sys.exit(main()) diff --git a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/LICENSE.rst b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/LICENSE.rst new file mode 100644 index 0000000..9d227a0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2010 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/METADATA new file mode 100644 index 0000000..2b881c2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/METADATA @@ -0,0 +1,124 @@ +Metadata-Version: 2.1 +Name: Flask +Version: 2.0.1 +Summary: A simple framework for building complex web applications. +Home-page: https://palletsprojects.com/p/flask +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://flask.palletsprojects.com/ +Project-URL: Changes, https://flask.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/flask/ +Project-URL: Issue Tracker, https://github.com/pallets/flask/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Framework :: Flask +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application +Classifier: Topic :: Software Development :: Libraries :: Application Frameworks +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Requires-Dist: Werkzeug (>=2.0) +Requires-Dist: Jinja2 (>=3.0) +Requires-Dist: itsdangerous (>=2.0) +Requires-Dist: click (>=7.1.2) +Provides-Extra: async +Requires-Dist: asgiref (>=3.2) ; extra == 'async' +Provides-Extra: dotenv +Requires-Dist: python-dotenv ; extra == 'dotenv' + +Flask +===== + +Flask is a lightweight `WSGI`_ web application framework. It is designed +to make getting started quick and easy, with the ability to scale up to +complex applications. It began as a simple wrapper around `Werkzeug`_ +and `Jinja`_ and has become one of the most popular Python web +application frameworks. + +Flask offers suggestions, but doesn't enforce any dependencies or +project layout. It is up to the developer to choose the tools and +libraries they want to use. There are many extensions provided by the +community that make adding new functionality easy. + +.. _WSGI: https://wsgi.readthedocs.io/ +.. _Werkzeug: https://werkzeug.palletsprojects.com/ +.. _Jinja: https://jinja.palletsprojects.com/ + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U Flask + +.. _pip: https://pip.pypa.io/en/stable/quickstart/ + + +A Simple Example +---------------- + +.. code-block:: python + + # save this as app.py + from flask import Flask + + app = Flask(__name__) + + @app.route("/") + def hello(): + return "Hello, World!" + +.. code-block:: text + + $ flask run + * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit) + + +Contributing +------------ + +For guidance on setting up a development environment and how to make a +contribution to Flask, see the `contributing guidelines`_. + +.. _contributing guidelines: https://github.com/pallets/flask/blob/main/CONTRIBUTING.rst + + +Donate +------ + +The Pallets organization develops and supports Flask and the libraries +it uses. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://flask.palletsprojects.com/ +- Changes: https://flask.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/Flask/ +- Source Code: https://github.com/pallets/flask/ +- Issue Tracker: https://github.com/pallets/flask/issues/ +- Website: https://palletsprojects.com/p/flask/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/RECORD new file mode 100644 index 0000000..3fe106b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/RECORD @@ -0,0 +1,52 @@ 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a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/entry_points.txt new file mode 100644 index 0000000..1eb0252 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +flask = flask.cli:main + diff --git a/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..7e10602 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Flask-2.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +flask diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/LICENSE.rst b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/LICENSE.rst new file mode 100644 index 0000000..c37cae4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2007 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/METADATA new file mode 100644 index 0000000..afd84cb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/METADATA @@ -0,0 +1,112 @@ +Metadata-Version: 2.1 +Name: Jinja2 +Version: 3.0.1 +Summary: A very fast and expressive template engine. +Home-page: https://palletsprojects.com/p/jinja/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://jinja.palletsprojects.com/ +Project-URL: Changes, https://jinja.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/jinja/ +Project-URL: Issue Tracker, https://github.com/pallets/jinja/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Text Processing :: Markup :: HTML +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Requires-Dist: MarkupSafe (>=2.0) +Provides-Extra: i18n +Requires-Dist: Babel (>=2.7) ; extra == 'i18n' + +Jinja +===== + +Jinja is a fast, expressive, extensible templating engine. Special +placeholders in the template allow writing code similar to Python +syntax. Then the template is passed data to render the final document. + +It includes: + +- Template inheritance and inclusion. +- Define and import macros within templates. +- HTML templates can use autoescaping to prevent XSS from untrusted + user input. +- A sandboxed environment can safely render untrusted templates. +- AsyncIO support for generating templates and calling async + functions. +- I18N support with Babel. +- Templates are compiled to optimized Python code just-in-time and + cached, or can be compiled ahead-of-time. +- Exceptions point to the correct line in templates to make debugging + easier. +- Extensible filters, tests, functions, and even syntax. + +Jinja's philosophy is that while application logic belongs in Python if +possible, it shouldn't make the template designer's job difficult by +restricting functionality too much. + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U Jinja2 + +.. _pip: https://pip.pypa.io/en/stable/quickstart/ + + +In A Nutshell +------------- + +.. code-block:: jinja + + {% extends "base.html" %} + {% block title %}Members{% endblock %} + {% block content %} + + {% endblock %} + + +Donate +------ + +The Pallets organization develops and supports Jinja and other popular +packages. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://jinja.palletsprojects.com/ +- Changes: https://jinja.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/Jinja2/ +- Source Code: https://github.com/pallets/jinja/ +- Issue Tracker: https://github.com/pallets/jinja/issues/ +- Website: https://palletsprojects.com/p/jinja/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/RECORD new file mode 100644 index 0000000..1823bd0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/RECORD @@ -0,0 +1,59 @@ 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mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/entry_points.txt new file mode 100644 index 0000000..3619483 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[babel.extractors] +jinja2 = jinja2.ext:babel_extract [i18n] + diff --git a/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..7f7afbf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Jinja2-3.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +jinja2 diff --git a/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/LICENSE.rst b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/LICENSE.rst new file mode 100644 index 0000000..9d227a0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2010 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/METADATA new file mode 100644 index 0000000..e87ebb9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/METADATA @@ -0,0 +1,101 @@ +Metadata-Version: 2.1 +Name: MarkupSafe +Version: 2.0.1 +Summary: Safely add untrusted strings to HTML/XML markup. +Home-page: https://palletsprojects.com/p/markupsafe/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://markupsafe.palletsprojects.com/ +Project-URL: Changes, https://markupsafe.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/markupsafe/ +Project-URL: Issue Tracker, https://github.com/pallets/markupsafe/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Text Processing :: Markup :: HTML +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +License-File: LICENSE.rst + +MarkupSafe +========== + +MarkupSafe implements a text object that escapes characters so it is +safe to use in HTML and XML. Characters that have special meanings are +replaced so that they display as the actual characters. This mitigates +injection attacks, meaning untrusted user input can safely be displayed +on a page. + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + pip install -U MarkupSafe + +.. _pip: https://pip.pypa.io/en/stable/quickstart/ + + +Examples +-------- + +.. code-block:: pycon + + >>> from markupsafe import Markup, escape + + >>> # escape replaces special characters and wraps in Markup + >>> escape("") + Markup('<script>alert(document.cookie);</script>') + + >>> # wrap in Markup to mark text "safe" and prevent escaping + >>> Markup("Hello") + Markup('hello') + + >>> escape(Markup("Hello")) + Markup('hello') + + >>> # Markup is a str subclass + >>> # methods and operators escape their arguments + >>> template = Markup("Hello {name}") + >>> template.format(name='"World"') + Markup('Hello "World"') + + +Donate +------ + +The Pallets organization develops and supports MarkupSafe and other +popular packages. In order to grow the community of contributors and +users, and allow the maintainers to devote more time to the projects, +`please donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://markupsafe.palletsprojects.com/ +- Changes: https://markupsafe.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/MarkupSafe/ +- Source Code: https://github.com/pallets/markupsafe/ +- Issue Tracker: https://github.com/pallets/markupsafe/issues/ +- Website: https://palletsprojects.com/p/markupsafe/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/RECORD new file mode 100644 index 0000000..200c773 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/RECORD @@ -0,0 +1,15 @@ 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cp39-cp39-manylinux2010_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..75bf729 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/MarkupSafe-2.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +markupsafe diff --git a/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/AUTHORS.rst b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/AUTHORS.rst new file mode 100644 index 0000000..88e2b6a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/AUTHORS.rst @@ -0,0 +1,7 @@ +Authors +======= + +``pyjwt`` is currently written and maintained by `Jose Padilla `_. +Originally written and maintained by `Jeff Lindsay `_. + +A full list of contributors can be found on GitHub’s `overview `_. diff --git a/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/LICENSE new file mode 100644 index 0000000..bdc7819 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2015 José Padilla + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/METADATA new file mode 100644 index 0000000..bcffde0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/METADATA @@ -0,0 +1,107 @@ +Metadata-Version: 2.1 +Name: PyJWT +Version: 2.1.0 +Summary: JSON Web Token implementation in Python +Home-page: https://github.com/jpadilla/pyjwt +Author: Jose Padilla +Author-email: hello@jpadilla.com +License: MIT +Keywords: json,jwt,security,signing,token,web +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Natural Language :: English +Classifier: License :: OSI Approved :: MIT License +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Topic :: Utilities +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Provides-Extra: crypto +Requires-Dist: cryptography (<4.0.0,>=3.3.1) ; extra == 'crypto' +Provides-Extra: dev +Requires-Dist: sphinx ; extra == 'dev' +Requires-Dist: sphinx-rtd-theme ; extra == 'dev' +Requires-Dist: zope.interface ; extra == 'dev' +Requires-Dist: cryptography (<4.0.0,>=3.3.1) ; extra == 'dev' +Requires-Dist: pytest (<7.0.0,>=6.0.0) ; extra == 'dev' +Requires-Dist: coverage[toml] (==5.0.4) ; extra == 'dev' +Requires-Dist: mypy ; extra == 'dev' +Requires-Dist: pre-commit ; extra == 'dev' +Provides-Extra: docs +Requires-Dist: sphinx ; extra == 'docs' +Requires-Dist: sphinx-rtd-theme ; extra == 'docs' +Requires-Dist: zope.interface ; extra == 'docs' +Provides-Extra: tests +Requires-Dist: pytest (<7.0.0,>=6.0.0) ; extra == 'tests' +Requires-Dist: coverage[toml] (==5.0.4) ; extra == 'tests' + +PyJWT +===== + +.. image:: https://github.com/jpadilla/pyjwt/workflows/CI/badge.svg + :target: https://github.com/jpadilla/pyjwt/actions?query=workflow%3ACI + +.. image:: https://img.shields.io/pypi/v/pyjwt.svg + :target: https://pypi.python.org/pypi/pyjwt + +.. image:: https://codecov.io/gh/jpadilla/pyjwt/branch/master/graph/badge.svg + :target: https://codecov.io/gh/jpadilla/pyjwt + +.. image:: https://readthedocs.org/projects/pyjwt/badge/?version=stable + :target: https://pyjwt.readthedocs.io/en/stable/ + +A Python implementation of `RFC 7519 `_. Original implementation was written by `@progrium `_. + +Sponsor +------- + ++--------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +| |auth0-logo| | If you want to quickly add secure token-based authentication to Python projects, feel free to check Auth0's Python SDK and free plan at `auth0.com/developers `_. | ++--------------+-----------------------------------------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ + +.. |auth0-logo| image:: https://user-images.githubusercontent.com/83319/31722733-de95bbde-b3ea-11e7-96bf-4f4e8f915588.png + +Installing +---------- + +Install with **pip**: + +.. code-block:: console + + $ pip install PyJWT + + +Usage +----- + +.. code-block:: pycon + + >>> import jwt + >>> encoded = jwt.encode({"some": "payload"}, "secret", algorithm="HS256") + >>> print(encoded) + eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzb21lIjoicGF5bG9hZCJ9.Joh1R2dYzkRvDkqv3sygm5YyK8Gi4ShZqbhK2gxcs2U + >>> jwt.decode(encoded, "secret", algorithms=["HS256"]) + {'some': 'payload'} + +Documentation +------------- + +View the full docs online at https://pyjwt.readthedocs.io/en/stable/ + + +Tests +----- + +You can run tests from the project root after cloning with: + +.. code-block:: console + + $ tox + + diff --git a/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/RECORD new file mode 100644 index 0000000..7f2ddf3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/PyJWT-2.1.0.dist-info/RECORD @@ -0,0 +1,27 @@ 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b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/LICENSE.rst b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/LICENSE.rst new file mode 100644 index 0000000..c37cae4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2007 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/METADATA new file mode 100644 index 0000000..f991d5a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/METADATA @@ -0,0 +1,128 @@ +Metadata-Version: 2.1 +Name: Werkzeug +Version: 2.0.1 +Summary: The comprehensive WSGI web application library. +Home-page: https://palletsprojects.com/p/werkzeug/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://werkzeug.palletsprojects.com/ +Project-URL: Changes, https://werkzeug.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/werkzeug/ +Project-URL: Issue Tracker, https://github.com/pallets/werkzeug/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application +Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Middleware +Classifier: Topic :: Software Development :: Libraries :: Application Frameworks +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Requires-Dist: dataclasses ; python_version < "3.7" +Provides-Extra: watchdog +Requires-Dist: watchdog ; extra == 'watchdog' + +Werkzeug +======== + +*werkzeug* German noun: "tool". Etymology: *werk* ("work"), *zeug* ("stuff") + +Werkzeug is a comprehensive `WSGI`_ web application library. It began as +a simple collection of various utilities for WSGI applications and has +become one of the most advanced WSGI utility libraries. + +It includes: + +- An interactive debugger that allows inspecting stack traces and + source code in the browser with an interactive interpreter for any + frame in the stack. +- A full-featured request object with objects to interact with + headers, query args, form data, files, and cookies. +- A response object that can wrap other WSGI applications and handle + streaming data. +- A routing system for matching URLs to endpoints and generating URLs + for endpoints, with an extensible system for capturing variables + from URLs. +- HTTP utilities to handle entity tags, cache control, dates, user + agents, cookies, files, and more. +- A threaded WSGI server for use while developing applications + locally. +- A test client for simulating HTTP requests during testing without + requiring running a server. + +Werkzeug doesn't enforce any dependencies. It is up to the developer to +choose a template engine, database adapter, and even how to handle +requests. It can be used to build all sorts of end user applications +such as blogs, wikis, or bulletin boards. + +`Flask`_ wraps Werkzeug, using it to handle the details of WSGI while +providing more structure and patterns for defining powerful +applications. + +.. _WSGI: https://wsgi.readthedocs.io/en/latest/ +.. _Flask: https://www.palletsprojects.com/p/flask/ + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + pip install -U Werkzeug + +.. _pip: https://pip.pypa.io/en/stable/quickstart/ + + +A Simple Example +---------------- + +.. code-block:: python + + from werkzeug.wrappers import Request, Response + + @Request.application + def application(request): + return Response('Hello, World!') + + if __name__ == '__main__': + from werkzeug.serving import run_simple + run_simple('localhost', 4000, application) + + +Donate +------ + +The Pallets organization develops and supports Werkzeug and other +popular packages. In order to grow the community of contributors and +users, and allow the maintainers to devote more time to the projects, +`please donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://werkzeug.palletsprojects.com/ +- Changes: https://werkzeug.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/Werkzeug/ +- Source Code: https://github.com/pallets/werkzeug/ +- Issue Tracker: https://github.com/pallets/werkzeug/issues/ +- Website: https://palletsprojects.com/p/werkzeug/ +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/RECORD new file mode 100644 index 0000000..e6b6e14 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/Werkzeug-2.0.1.dist-info/RECORD @@ -0,0 +1,112 @@ 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b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/LICENSE.txt new file mode 100644 index 0000000..90c9d01 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/LICENSE.txt @@ -0,0 +1,201 @@ +Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright 2013-2020 aiohttp maintainers + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/METADATA new file mode 100644 index 0000000..2f38b9a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/METADATA @@ -0,0 +1,978 @@ +Metadata-Version: 2.1 +Name: aiohttp +Version: 3.7.4.post0 +Summary: Async http client/server framework (asyncio) +Home-page: https://github.com/aio-libs/aiohttp +Author: Nikolay Kim +Author-email: fafhrd91@gmail.com +Maintainer: Nikolay Kim , Andrew Svetlov +Maintainer-email: aio-libs@googlegroups.com +License: Apache 2 +Project-URL: Chat: Gitter, https://gitter.im/aio-libs/Lobby +Project-URL: CI: Azure Pipelines, https://dev.azure.com/aio-libs/aiohttp/_build +Project-URL: Coverage: codecov, https://codecov.io/github/aio-libs/aiohttp +Project-URL: Docs: RTD, https://docs.aiohttp.org +Project-URL: GitHub: issues, https://github.com/aio-libs/aiohttp/issues +Project-URL: GitHub: repo, https://github.com/aio-libs/aiohttp +Platform: UNKNOWN +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Intended Audience :: Developers +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Development Status :: 5 - Production/Stable +Classifier: Operating System :: POSIX +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: Microsoft :: Windows +Classifier: Topic :: Internet :: WWW/HTTP +Classifier: Framework :: AsyncIO +Requires-Python: >=3.6 +Requires-Dist: attrs (>=17.3.0) +Requires-Dist: chardet (<5.0,>=2.0) +Requires-Dist: multidict (<7.0,>=4.5) +Requires-Dist: async-timeout (<4.0,>=3.0) +Requires-Dist: yarl (<2.0,>=1.0) +Requires-Dist: typing-extensions (>=3.6.5) +Requires-Dist: idna-ssl (>=1.0) ; python_version < "3.7" +Provides-Extra: speedups +Requires-Dist: aiodns ; extra == 'speedups' +Requires-Dist: brotlipy ; extra == 'speedups' +Requires-Dist: cchardet ; extra == 'speedups' + +================================== +Async http client/server framework +================================== + +.. image:: https://raw.githubusercontent.com/aio-libs/aiohttp/master/docs/_static/aiohttp-icon-128x128.png + :height: 64px + :width: 64px + :alt: aiohttp logo + +| + +.. image:: https://github.com/aio-libs/aiohttp/workflows/CI/badge.svg + :target: https://github.com/aio-libs/aiohttp/actions?query=workflow%3ACI + :alt: GitHub Actions status for master branch + +.. image:: https://codecov.io/gh/aio-libs/aiohttp/branch/master/graph/badge.svg + :target: https://codecov.io/gh/aio-libs/aiohttp + :alt: codecov.io status for master branch + +.. image:: https://badge.fury.io/py/aiohttp.svg + :target: https://pypi.org/project/aiohttp + :alt: Latest PyPI package version + +.. image:: https://readthedocs.org/projects/aiohttp/badge/?version=latest + :target: https://docs.aiohttp.org/ + :alt: Latest Read The Docs + +.. image:: https://img.shields.io/discourse/status?server=https%3A%2F%2Faio-libs.discourse.group + :target: https://aio-libs.discourse.group + :alt: Discourse status + +.. image:: https://badges.gitter.im/Join%20Chat.svg + :target: https://gitter.im/aio-libs/Lobby + :alt: Chat on Gitter + + +Key Features +============ + +- Supports both client and server side of HTTP protocol. +- Supports both client and server Web-Sockets out-of-the-box and avoids + Callback Hell. +- Provides Web-server with middlewares and plugable routing. + + +Getting started +=============== + +Client +------ + +To get something from the web: + +.. code-block:: python + + import aiohttp + import asyncio + + async def main(): + + async with aiohttp.ClientSession() as session: + async with session.get('http://python.org') as response: + + print("Status:", response.status) + print("Content-type:", response.headers['content-type']) + + html = await response.text() + print("Body:", html[:15], "...") + + loop = asyncio.get_event_loop() + loop.run_until_complete(main()) + +This prints: + +.. code-block:: + + Status: 200 + Content-type: text/html; charset=utf-8 + Body: ... + +Coming from `requests `_ ? Read `why we need so many lines `_. + +Server +------ + +An example using a simple server: + +.. code-block:: python + + # examples/server_simple.py + from aiohttp import web + + async def handle(request): + name = request.match_info.get('name', "Anonymous") + text = "Hello, " + name + return web.Response(text=text) + + async def wshandle(request): + ws = web.WebSocketResponse() + await ws.prepare(request) + + async for msg in ws: + if msg.type == web.WSMsgType.text: + await ws.send_str("Hello, {}".format(msg.data)) + elif msg.type == web.WSMsgType.binary: + await ws.send_bytes(msg.data) + elif msg.type == web.WSMsgType.close: + break + + return ws + + + app = web.Application() + app.add_routes([web.get('/', handle), + web.get('/echo', wshandle), + web.get('/{name}', handle)]) + + if __name__ == '__main__': + web.run_app(app) + + +Documentation +============= + +https://aiohttp.readthedocs.io/ + + +Demos +===== + +https://github.com/aio-libs/aiohttp-demos + + +External links +============== + +* `Third party libraries + `_ +* `Built with aiohttp + `_ +* `Powered by aiohttp + `_ + +Feel free to make a Pull Request for adding your link to these pages! + + +Communication channels +====================== + +*aio-libs discourse group*: https://aio-libs.discourse.group + +*gitter chat* https://gitter.im/aio-libs/Lobby + +We support `Stack Overflow +`_. +Please add *aiohttp* tag to your question there. + +Requirements +============ + +- Python >= 3.6 +- async-timeout_ +- attrs_ +- chardet_ +- multidict_ +- yarl_ + +Optionally you may install the cChardet_ and aiodns_ libraries (highly +recommended for sake of speed). + +.. _chardet: https://pypi.python.org/pypi/chardet +.. _aiodns: https://pypi.python.org/pypi/aiodns +.. _attrs: https://github.com/python-attrs/attrs +.. _multidict: https://pypi.python.org/pypi/multidict +.. _yarl: https://pypi.python.org/pypi/yarl +.. _async-timeout: https://pypi.python.org/pypi/async_timeout +.. _cChardet: https://pypi.python.org/pypi/cchardet + +License +======= + +``aiohttp`` is offered under the Apache 2 license. + + +Keepsafe +======== + +The aiohttp community would like to thank Keepsafe +(https://www.getkeepsafe.com) for its support in the early days of +the project. + + +Source code +=========== + +The latest developer version is available in a GitHub repository: +https://github.com/aio-libs/aiohttp + +Benchmarks +========== + +If you are interested in efficiency, the AsyncIO community maintains a +list of benchmarks on the official wiki: +https://github.com/python/asyncio/wiki/Benchmarks + +========= +Changelog +========= + +.. + You should *NOT* be adding new change log entries to this file, this + file is managed by towncrier. You *may* edit previous change logs to + fix problems like typo corrections or such. + To add a new change log entry, please see + https://pip.pypa.io/en/latest/development/#adding-a-news-entry + we named the news folder "changes". + + WARNING: Don't drop the next directive! + +.. towncrier release notes start + +3.7.4.post0 (2021-03-06) +======================== + +Misc +---- + +- Bumped upper bound of the ``chardet`` runtime dependency + to allow their v4.0 version stream. + `#5366 `_ + + +---- + + +3.7.4 (2021-02-25) +================== + +Bugfixes +-------- + +- **(SECURITY BUG)** Started preventing open redirects in the + ``aiohttp.web.normalize_path_middleware`` middleware. For + more details, see + https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg. + + Thanks to `Beast Glatisant `__ for + finding the first instance of this issue and `Jelmer Vernooij + `__ for reporting and tracking it down + in aiohttp. + `#5497 `_ +- Fix interpretation difference of the pure-Python and the Cython-based + HTTP parsers construct a ``yarl.URL`` object for HTTP request-target. + + Before this fix, the Python parser would turn the URI's absolute-path + for ``//some-path`` into ``/`` while the Cython code preserved it as + ``//some-path``. Now, both do the latter. + `#5498 `_ + + +---- + + +3.7.3 (2020-11-18) +================== + +Features +-------- + +- Use Brotli instead of brotlipy + `#3803 `_ +- Made exceptions pickleable. Also changed the repr of some exceptions. + `#4077 `_ + + +Bugfixes +-------- + +- Raise a ClientResponseError instead of an AssertionError for a blank + HTTP Reason Phrase. + `#3532 `_ +- Fix ``web_middlewares.normalize_path_middleware`` behavior for patch without slash. + `#3669 `_ +- Fix overshadowing of overlapped sub-applications prefixes. + `#3701 `_ +- Make `BaseConnector.close()` a coroutine and wait until the client closes all connections. Drop deprecated "with Connector():" syntax. + `#3736 `_ +- Reset the ``sock_read`` timeout each time data is received for a ``aiohttp.client`` response. + `#3808 `_ +- Fixed type annotation for add_view method of UrlDispatcher to accept any subclass of View + `#3880 `_ +- Fixed querying the address families from DNS that the current host supports. + `#5156 `_ +- Change return type of MultipartReader.__aiter__() and BodyPartReader.__aiter__() to AsyncIterator. + `#5163 `_ +- Provide x86 Windows wheels. + `#5230 `_ + + +Improved Documentation +---------------------- + +- Add documentation for ``aiohttp.web.FileResponse``. + `#3958 `_ +- Removed deprecation warning in tracing example docs + `#3964 `_ +- Fixed wrong "Usage" docstring of ``aiohttp.client.request``. + `#4603 `_ +- Add aiohttp-pydantic to third party libraries + `#5228 `_ + + +Misc +---- + +- `#4102 `_ + + +---- + + +3.7.2 (2020-10-27) +================== + +Bugfixes +-------- + +- Fixed static files handling for loops without ``.sendfile()`` support + `#5149 `_ + + +---- + + +3.7.1 (2020-10-25) +================== + +Bugfixes +-------- + +- Fixed a type error caused by the conditional import of `Protocol`. + `#5111 `_ +- Server doesn't send Content-Length for 1xx or 204 + `#4901 `_ +- Fix run_app typing + `#4957 `_ +- Always require ``typing_extensions`` library. + `#5107 `_ +- Fix a variable-shadowing bug causing `ThreadedResolver.resolve` to + return the resolved IP as the ``hostname`` in each record, which prevented + validation of HTTPS connections. + `#5110 `_ +- Added annotations to all public attributes. + `#5115 `_ +- Fix flaky test_when_timeout_smaller_second + `#5116 `_ +- Ensure sending a zero byte file does not throw an exception + `#5124 `_ +- Fix a bug in ``web.run_app()`` about Python version checking on Windows + `#5127 `_ + + +---- + + +3.7.0 (2020-10-24) +================== + +Features +-------- + +- Response headers are now prepared prior to running ``on_response_prepare`` hooks, directly before headers are sent to the client. + `#1958 `_ +- Add a ``quote_cookie`` option to ``CookieJar``, a way to skip quotation wrapping of cookies containing special characters. + `#2571 `_ +- Call ``AccessLogger.log`` with the current exception available from ``sys.exc_info()``. + `#3557 `_ +- `web.UrlDispatcher.add_routes` and `web.Application.add_routes` return a list + of registered `AbstractRoute` instances. `AbstractRouteDef.register` (and all + subclasses) return a list of registered resources registered resource. + `#3866 `_ +- Added properties of default ClientSession params to ClientSession class so it is available for introspection + `#3882 `_ +- Don't cancel web handler on peer disconnection, raise `OSError` on reading/writing instead. + `#4080 `_ +- Implement BaseRequest.get_extra_info() to access a protocol transports' extra info. + `#4189 `_ +- Added `ClientSession.timeout` property. + `#4191 `_ +- allow use of SameSite in cookies. + `#4224 `_ +- Use ``loop.sendfile()`` instead of custom implementation if available. + `#4269 `_ +- Apply SO_REUSEADDR to test server's socket. + `#4393 `_ +- Use .raw_host instead of slower .host in client API + `#4402 `_ +- Allow configuring the buffer size of input stream by passing ``read_bufsize`` argument. + `#4453 `_ +- Pass tests on Python 3.8 for Windows. + `#4513 `_ +- Add `method` and `url` attributes to `TraceRequestChunkSentParams` and `TraceResponseChunkReceivedParams`. + `#4674 `_ +- Add ClientResponse.ok property for checking status code under 400. + `#4711 `_ +- Don't ceil timeouts that are smaller than 5 seconds. + `#4850 `_ +- TCPSite now listens by default on all interfaces instead of just IPv4 when `None` is passed in as the host. + `#4894 `_ +- Bump ``http_parser`` to 2.9.4 + `#5070 `_ + + +Bugfixes +-------- + +- Fix keepalive connections not being closed in time + `#3296 `_ +- Fix failed websocket handshake leaving connection hanging. + `#3380 `_ +- Fix tasks cancellation order on exit. The run_app task needs to be cancelled first for cleanup hooks to run with all tasks intact. + `#3805 `_ +- Don't start heartbeat until _writer is set + `#4062 `_ +- Fix handling of multipart file uploads without a content type. + `#4089 `_ +- Preserve view handler function attributes across middlewares + `#4174 `_ +- Fix the string representation of ``ServerDisconnectedError``. + `#4175 `_ +- Raising RuntimeError when trying to get encoding from not read body + `#4214 `_ +- Remove warning messages from noop. + `#4282 `_ +- Raise ClientPayloadError if FormData re-processed. + `#4345 `_ +- Fix a warning about unfinished task in ``web_protocol.py`` + `#4408 `_ +- Fixed 'deflate' compression. According to RFC 2616 now. + `#4506 `_ +- Fixed OverflowError on platforms with 32-bit time_t + `#4515 `_ +- Fixed request.body_exists returns wrong value for methods without body. + `#4528 `_ +- Fix connecting to link-local IPv6 addresses. + `#4554 `_ +- Fix a problem with connection waiters that are never awaited. + `#4562 `_ +- Always make sure transport is not closing before reuse a connection. + + Reuse a protocol based on keepalive in headers is unreliable. + For example, uWSGI will not support keepalive even it serves a + HTTP 1.1 request, except explicitly configure uWSGI with a + ``--http-keepalive`` option. + + Servers designed like uWSGI could cause aiohttp intermittently + raise a ConnectionResetException when the protocol poll runs + out and some protocol is reused. + `#4587 `_ +- Handle the last CRLF correctly even if it is received via separate TCP segment. + `#4630 `_ +- Fix the register_resource function to validate route name before splitting it so that route name can include python keywords. + `#4691 `_ +- Improve typing annotations for ``web.Request``, ``aiohttp.ClientResponse`` and + ``multipart`` module. + `#4736 `_ +- Fix resolver task is not awaited when connector is cancelled + `#4795 `_ +- Fix a bug "Aiohttp doesn't return any error on invalid request methods" + `#4798 `_ +- Fix HEAD requests for static content. + `#4809 `_ +- Fix incorrect size calculation for memoryview + `#4890 `_ +- Add HTTPMove to _all__. + `#4897 `_ +- Fixed the type annotations in the ``tracing`` module. + `#4912 `_ +- Fix typing for multipart ``__aiter__``. + `#4931 `_ +- Fix for race condition on connections in BaseConnector that leads to exceeding the connection limit. + `#4936 `_ +- Add forced UTF-8 encoding for ``application/rdap+json`` responses. + `#4938 `_ +- Fix inconsistency between Python and C http request parsers in parsing pct-encoded URL. + `#4972 `_ +- Fix connection closing issue in HEAD request. + `#5012 `_ +- Fix type hint on BaseRunner.addresses (from ``List[str]`` to ``List[Any]``) + `#5086 `_ +- Make `web.run_app()` more responsive to Ctrl+C on Windows for Python < 3.8. It slightly + increases CPU load as a side effect. + `#5098 `_ + + +Improved Documentation +---------------------- + +- Fix example code in client quick-start + `#3376 `_ +- Updated the docs so there is no contradiction in ``ttl_dns_cache`` default value + `#3512 `_ +- Add 'Deploy with SSL' to docs. + `#4201 `_ +- Change typing of the secure argument on StreamResponse.set_cookie from ``Optional[str]`` to ``Optional[bool]`` + `#4204 `_ +- Changes ``ttl_dns_cache`` type from int to Optional[int]. + `#4270 `_ +- Simplify README hello word example and add a documentation page for people coming from requests. + `#4272 `_ +- Improve some code examples in the documentation involving websockets and starting a simple HTTP site with an AppRunner. + `#4285 `_ +- Fix typo in code example in Multipart docs + `#4312 `_ +- Fix code example in Multipart section. + `#4314 `_ +- Update contributing guide so new contributors read the most recent version of that guide. Update command used to create test coverage reporting. + `#4810 `_ +- Spelling: Change "canonize" to "canonicalize". + `#4986 `_ +- Add ``aiohttp-sse-client`` library to third party usage list. + `#5084 `_ + + +Misc +---- + +- `#2856 `_, `#4218 `_, `#4250 `_ + + +---- + + +3.6.3 (2020-10-12) +================== + +Bugfixes +-------- + +- Pin yarl to ``<1.6.0`` to avoid buggy behavior that will be fixed by the next aiohttp + release. + +3.6.2 (2019-10-09) +================== + +Features +-------- + +- Made exceptions pickleable. Also changed the repr of some exceptions. + `#4077 `_ +- Use ``Iterable`` type hint instead of ``Sequence`` for ``Application`` *middleware* + parameter. `#4125 `_ + + +Bugfixes +-------- + +- Reset the ``sock_read`` timeout each time data is received for a + ``aiohttp.ClientResponse``. `#3808 + `_ +- Fix handling of expired cookies so they are not stored in CookieJar. + `#4063 `_ +- Fix misleading message in the string representation of ``ClientConnectorError``; + ``self.ssl == None`` means default SSL context, not SSL disabled `#4097 + `_ +- Don't clobber HTTP status when using FileResponse. + `#4106 `_ + + +Improved Documentation +---------------------- + +- Added minimal required logging configuration to logging documentation. + `#2469 `_ +- Update docs to reflect proxy support. + `#4100 `_ +- Fix typo in code example in testing docs. + `#4108 `_ + + +Misc +---- + +- `#4102 `_ + + +---- + + +3.6.1 (2019-09-19) +================== + +Features +-------- + +- Compatibility with Python 3.8. + `#4056 `_ + + +Bugfixes +-------- + +- correct some exception string format + `#4068 `_ +- Emit a warning when ``ssl.OP_NO_COMPRESSION`` is + unavailable because the runtime is built against + an outdated OpenSSL. + `#4052 `_ +- Update multidict requirement to >= 4.5 + `#4057 `_ + + +Improved Documentation +---------------------- + +- Provide pytest-aiohttp namespace for pytest fixtures in docs. + `#3723 `_ + + +---- + + +3.6.0 (2019-09-06) +================== + +Features +-------- + +- Add support for Named Pipes (Site and Connector) under Windows. This feature requires + Proactor event loop to work. `#3629 + `_ +- Removed ``Transfer-Encoding: chunked`` header from websocket responses to be + compatible with more http proxy servers. `#3798 + `_ +- Accept non-GET request for starting websocket handshake on server side. + `#3980 `_ + + +Bugfixes +-------- + +- Raise a ClientResponseError instead of an AssertionError for a blank + HTTP Reason Phrase. + `#3532 `_ +- Fix an issue where cookies would sometimes not be set during a redirect. + `#3576 `_ +- Change normalize_path_middleware to use 308 redirect instead of 301. + + This behavior should prevent clients from being unable to use PUT/POST + methods on endpoints that are redirected because of a trailing slash. + `#3579 `_ +- Drop the processed task from ``all_tasks()`` list early. It prevents logging about a + task with unhandled exception when the server is used in conjunction with + ``asyncio.run()``. `#3587 `_ +- ``Signal`` type annotation changed from ``Signal[Callable[['TraceConfig'], + Awaitable[None]]]`` to ``Signal[Callable[ClientSession, SimpleNamespace, ...]``. + `#3595 `_ +- Use sanitized URL as Location header in redirects + `#3614 `_ +- Improve typing annotations for multipart.py along with changes required + by mypy in files that references multipart.py. + `#3621 `_ +- Close session created inside ``aiohttp.request`` when unhandled exception occurs + `#3628 `_ +- Cleanup per-chunk data in generic data read. Memory leak fixed. + `#3631 `_ +- Use correct type for add_view and family + `#3633 `_ +- Fix _keepalive field in __slots__ of ``RequestHandler``. + `#3644 `_ +- Properly handle ConnectionResetError, to silence the "Cannot write to closing + transport" exception when clients disconnect uncleanly. + `#3648 `_ +- Suppress pytest warnings due to ``test_utils`` classes + `#3660 `_ +- Fix overshadowing of overlapped sub-application prefixes. + `#3701 `_ +- Fixed return type annotation for WSMessage.json() + `#3720 `_ +- Properly expose TooManyRedirects publicly as documented. + `#3818 `_ +- Fix missing brackets for IPv6 in proxy CONNECT request + `#3841 `_ +- Make the signature of ``aiohttp.test_utils.TestClient.request`` match + ``asyncio.ClientSession.request`` according to the docs `#3852 + `_ +- Use correct style for re-exported imports, makes mypy ``--strict`` mode happy. + `#3868 `_ +- Fixed type annotation for add_view method of UrlDispatcher to accept any subclass of + View `#3880 `_ +- Made cython HTTP parser set Reason-Phrase of the response to an empty string if it is + missing. `#3906 `_ +- Add URL to the string representation of ClientResponseError. + `#3959 `_ +- Accept ``istr`` keys in ``LooseHeaders`` type hints. + `#3976 `_ +- Fixed race conditions in _resolve_host caching and throttling when tracing is enabled. + `#4013 `_ +- For URLs like "unix://localhost/..." set Host HTTP header to "localhost" instead of + "localhost:None". `#4039 `_ + + +Improved Documentation +---------------------- + +- Modify documentation for Background Tasks to remove deprecated usage of event loop. + `#3526 `_ +- use ``if __name__ == '__main__':`` in server examples. + `#3775 `_ +- Update documentation reference to the default access logger. + `#3783 `_ +- Improve documentation for ``web.BaseRequest.path`` and ``web.BaseRequest.raw_path``. + `#3791 `_ +- Removed deprecation warning in tracing example docs + `#3964 `_ + + +---- + + +3.5.4 (2019-01-12) +================== + +Bugfixes +-------- + +- Fix stream ``.read()`` / ``.readany()`` / ``.iter_any()`` which used to return a + partial content only in case of compressed content + `#3525 `_ + + +3.5.3 (2019-01-10) +================== + +Bugfixes +-------- + +- Fix type stubs for ``aiohttp.web.run_app(access_log=True)`` and fix edge case of + ``access_log=True`` and the event loop being in debug mode. `#3504 + `_ +- Fix ``aiohttp.ClientTimeout`` type annotations to accept ``None`` for fields + `#3511 `_ +- Send custom per-request cookies even if session jar is empty + `#3515 `_ +- Restore Linux binary wheels publishing on PyPI + +---- + + +3.5.2 (2019-01-08) +================== + +Features +-------- + +- ``FileResponse`` from ``web_fileresponse.py`` uses a ``ThreadPoolExecutor`` to work + with files asynchronously. I/O based payloads from ``payload.py`` uses a + ``ThreadPoolExecutor`` to work with I/O objects asynchronously. `#3313 + `_ +- Internal Server Errors in plain text if the browser does not support HTML. + `#3483 `_ + + +Bugfixes +-------- + +- Preserve MultipartWriter parts headers on write. Refactor the way how + ``Payload.headers`` are handled. Payload instances now always have headers and + Content-Type defined. Fix Payload Content-Disposition header reset after initial + creation. `#3035 `_ +- Log suppressed exceptions in ``GunicornWebWorker``. + `#3464 `_ +- Remove wildcard imports. + `#3468 `_ +- Use the same task for app initialization and web server handling in gunicorn workers. + It allows to use Python3.7 context vars smoothly. + `#3471 `_ +- Fix handling of chunked+gzipped response when first chunk does not give uncompressed + data `#3477 `_ +- Replace ``collections.MutableMapping`` with ``collections.abc.MutableMapping`` to + avoid a deprecation warning. `#3480 + `_ +- ``Payload.size`` type annotation changed from ``Optional[float]`` to + ``Optional[int]``. `#3484 `_ +- Ignore done tasks when cancels pending activities on ``web.run_app`` finalization. + `#3497 `_ + + +Improved Documentation +---------------------- + +- Add documentation for ``aiohttp.web.HTTPException``. + `#3490 `_ + + +Misc +---- + +- `#3487 `_ + + +---- + + +3.5.1 (2018-12-24) +==================== + +- Fix a regression about ``ClientSession._requote_redirect_url`` modification in debug + mode. + +3.5.0 (2018-12-22) +==================== + +Features +-------- + +- The library type annotations are checked in strict mode now. +- Add support for setting cookies for individual request (`#2387 + `_) +- Application.add_domain implementation (`#2809 + `_) +- The default ``app`` in the request returned by ``test_utils.make_mocked_request`` can + now have objects assigned to it and retrieved using the ``[]`` operator. (`#3174 + `_) +- Make ``request.url`` accessible when transport is closed. (`#3177 + `_) +- Add ``zlib_executor_size`` argument to ``Response`` constructor to allow compression + to run in a background executor to avoid blocking the main thread and potentially + triggering health check failures. (`#3205 + `_) +- Enable users to set ``ClientTimeout`` in ``aiohttp.request`` (`#3213 + `_) +- Don't raise a warning if ``NETRC`` environment variable is not set and ``~/.netrc`` + file doesn't exist. (`#3267 `_) +- Add default logging handler to web.run_app If the ``Application.debug``` flag is set + and the default logger ``aiohttp.access`` is used, access logs will now be output + using a *stderr* ``StreamHandler`` if no handlers are attached. Furthermore, if the + default logger has no log level set, the log level will be set to ``DEBUG``. (`#3324 + `_) +- Add method argument to ``session.ws_connect()``. Sometimes server API requires a + different HTTP method for WebSocket connection establishment. For example, ``Docker + exec`` needs POST. (`#3378 `_) +- Create a task per request handling. (`#3406 + `_) + + +Bugfixes +-------- + +- Enable passing ``access_log_class`` via ``handler_args`` (`#3158 + `_) +- Return empty bytes with end-of-chunk marker in empty stream reader. (`#3186 + `_) +- Accept ``CIMultiDictProxy`` instances for ``headers`` argument in ``web.Response`` + constructor. (`#3207 `_) +- Don't uppercase HTTP method in parser (`#3233 + `_) +- Make method match regexp RFC-7230 compliant (`#3235 + `_) +- Add ``app.pre_frozen`` state to properly handle startup signals in + sub-applications. (`#3237 `_) +- Enhanced parsing and validation of helpers.BasicAuth.decode. (`#3239 + `_) +- Change imports from collections module in preparation for 3.8. (`#3258 + `_) +- Ensure Host header is added first to ClientRequest to better replicate browser (`#3265 + `_) +- Fix forward compatibility with Python 3.8: importing ABCs directly from the + collections module will not be supported anymore. (`#3273 + `_) +- Keep the query string by ``normalize_path_middleware``. (`#3278 + `_) +- Fix missing parameter ``raise_for_status`` for aiohttp.request() (`#3290 + `_) +- Bracket IPv6 addresses in the HOST header (`#3304 + `_) +- Fix default message for server ping and pong frames. (`#3308 + `_) +- Fix tests/test_connector.py typo and tests/autobahn/server.py duplicate loop + def. (`#3337 `_) +- Fix false-negative indicator end_of_HTTP_chunk in StreamReader.readchunk function + (`#3361 `_) +- Release HTTP response before raising status exception (`#3364 + `_) +- Fix task cancellation when ``sendfile()`` syscall is used by static file + handling. (`#3383 `_) +- Fix stack trace for ``asyncio.TimeoutError`` which was not logged, when it is caught + in the handler. (`#3414 `_) + + +Improved Documentation +---------------------- + +- Improve documentation of ``Application.make_handler`` parameters. (`#3152 + `_) +- Fix BaseRequest.raw_headers doc. (`#3215 + `_) +- Fix typo in TypeError exception reason in ``web.Application._handle`` (`#3229 + `_) +- Make server access log format placeholder %b documentation reflect + behavior and docstring. (`#3307 `_) + + +Deprecations and Removals +------------------------- + +- Deprecate modification of ``session.requote_redirect_url`` (`#2278 + `_) +- Deprecate ``stream.unread_data()`` (`#3260 + `_) +- Deprecated use of boolean in ``resp.enable_compression()`` (`#3318 + `_) +- Encourage creation of aiohttp public objects inside a coroutine (`#3331 + `_) +- Drop dead ``Connection.detach()`` and ``Connection.writer``. Both methods were broken + for more than 2 years. (`#3358 `_) +- Deprecate ``app.loop``, ``request.loop``, ``client.loop`` and ``connector.loop`` + properties. (`#3374 `_) +- Deprecate explicit debug argument. Use asyncio debug mode instead. (`#3381 + `_) +- Deprecate body parameter in HTTPException (and derived classes) constructor. (`#3385 + `_) +- Deprecate bare connector close, use ``async with connector:`` and ``await + connector.close()`` instead. (`#3417 + `_) +- Deprecate obsolete ``read_timeout`` and ``conn_timeout`` in ``ClientSession`` + constructor. 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a/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/top_level.txt new file mode 100644 index 0000000..ee4ba4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp-3.7.4.post0.dist-info/top_level.txt @@ -0,0 +1 @@ +aiohttp diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_cparser.pxd.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_cparser.pxd.hash new file mode 100644 index 0000000..7f4060a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_cparser.pxd.hash @@ -0,0 +1 @@ +b60c37d122fa91049ccf318c94c871d82ba17ff3bc3fc64f8a65426fce7120b7 /home/runner/work/aiohttp/aiohttp/aiohttp/_cparser.pxd diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_find_header.pxd.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_find_header.pxd.hash new file mode 100644 index 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+f0688fb2e81ea92bf0a17822260d9591a30979101da12a4b873113fc459fb5fa /home/runner/work/aiohttp/aiohttp/aiohttp/_http_parser.pyx diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_http_writer.pyx.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_http_writer.pyx.hash new file mode 100644 index 0000000..b325e7d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_http_writer.pyx.hash @@ -0,0 +1 @@ +4e7b7f7baa5c65954e85a5b7c8db7786a0ec3498081b0a9420f792a803086281 /home/runner/work/aiohttp/aiohttp/aiohttp/_http_writer.pyx diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_websocket.pyx.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_websocket.pyx.hash new file mode 100644 index 0000000..ddbb4c7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/_websocket.pyx.hash @@ -0,0 +1 @@ +d57b8e48d0c26f20ebcc5e6e300da2b2a6aeb12b3c9768d64cb0e53432ccf48a /home/runner/work/aiohttp/aiohttp/aiohttp/_websocket.pyx diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/frozenlist.pyi.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/frozenlist.pyi.hash new file mode 100644 index 0000000..e461073 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/frozenlist.pyi.hash @@ -0,0 +1 @@ +6d134aa08da3d6ba0f76d81fc7f9ec7836a7bc1a99b1950d1c3aa65ed7e3951a /home/runner/work/aiohttp/aiohttp/aiohttp/frozenlist.pyi diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/hdrs.py.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/hdrs.py.hash new file mode 100644 index 0000000..0e34777 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/hdrs.py.hash @@ -0,0 +1 @@ +5ac8c3258003604c8993bfa8357361036337330b722e4849024972ccbb5c95f5 /home/runner/work/aiohttp/aiohttp/aiohttp/hdrs.py diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/signals.pyi.hash b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/signals.pyi.hash new file mode 100644 index 0000000..29acd69 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/.hash/signals.pyi.hash @@ -0,0 +1 @@ +48b4df50f771d7e8385524ea0a7057ca1482974f8a43e674982b04b08bc17d5e /home/runner/work/aiohttp/aiohttp/aiohttp/signals.pyi diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/__init__.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/__init__.py new file mode 100644 index 0000000..12c73f4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/__init__.py @@ -0,0 +1,217 @@ +__version__ = "3.7.4.post0" + +from typing import Tuple + +from . import hdrs as hdrs +from .client import ( + BaseConnector as BaseConnector, + ClientConnectionError as ClientConnectionError, + ClientConnectorCertificateError as ClientConnectorCertificateError, + ClientConnectorError as ClientConnectorError, + ClientConnectorSSLError as ClientConnectorSSLError, + ClientError as ClientError, + ClientHttpProxyError as ClientHttpProxyError, + ClientOSError as ClientOSError, + ClientPayloadError as ClientPayloadError, + ClientProxyConnectionError as ClientProxyConnectionError, + ClientRequest as ClientRequest, + ClientResponse as ClientResponse, + ClientResponseError as ClientResponseError, + ClientSession as ClientSession, + ClientSSLError as ClientSSLError, + ClientTimeout as ClientTimeout, + ClientWebSocketResponse as ClientWebSocketResponse, + ContentTypeError as ContentTypeError, + Fingerprint as Fingerprint, + InvalidURL as InvalidURL, + NamedPipeConnector as NamedPipeConnector, + RequestInfo as RequestInfo, + ServerConnectionError as ServerConnectionError, + ServerDisconnectedError as ServerDisconnectedError, + ServerFingerprintMismatch as ServerFingerprintMismatch, + ServerTimeoutError as ServerTimeoutError, + TCPConnector as TCPConnector, + TooManyRedirects as TooManyRedirects, + UnixConnector as UnixConnector, + WSServerHandshakeError as WSServerHandshakeError, + request as request, +) +from .cookiejar import CookieJar as CookieJar, DummyCookieJar as DummyCookieJar +from .formdata import FormData as FormData +from .helpers import BasicAuth as BasicAuth, ChainMapProxy as ChainMapProxy +from .http import ( + HttpVersion as HttpVersion, + HttpVersion10 as HttpVersion10, + HttpVersion11 as HttpVersion11, + WebSocketError as WebSocketError, + WSCloseCode as WSCloseCode, + WSMessage as WSMessage, + WSMsgType as WSMsgType, +) +from .multipart import ( + BadContentDispositionHeader as BadContentDispositionHeader, + BadContentDispositionParam as BadContentDispositionParam, + BodyPartReader as BodyPartReader, + MultipartReader as MultipartReader, + MultipartWriter as MultipartWriter, + content_disposition_filename as content_disposition_filename, + parse_content_disposition as parse_content_disposition, +) +from .payload import ( + PAYLOAD_REGISTRY as PAYLOAD_REGISTRY, + AsyncIterablePayload as AsyncIterablePayload, + BufferedReaderPayload as BufferedReaderPayload, + BytesIOPayload as BytesIOPayload, + BytesPayload as BytesPayload, + IOBasePayload as IOBasePayload, + JsonPayload as JsonPayload, + Payload as Payload, + StringIOPayload as StringIOPayload, + StringPayload as StringPayload, + TextIOPayload as TextIOPayload, + get_payload as get_payload, + payload_type as payload_type, +) +from .payload_streamer import streamer as streamer +from .resolver import ( + AsyncResolver as AsyncResolver, + DefaultResolver as DefaultResolver, + ThreadedResolver as ThreadedResolver, +) +from .signals import Signal as Signal +from .streams import ( + EMPTY_PAYLOAD as EMPTY_PAYLOAD, + DataQueue as DataQueue, + EofStream as EofStream, + FlowControlDataQueue as FlowControlDataQueue, + StreamReader as StreamReader, +) +from .tracing import ( + TraceConfig as TraceConfig, + TraceConnectionCreateEndParams as TraceConnectionCreateEndParams, + TraceConnectionCreateStartParams as TraceConnectionCreateStartParams, + TraceConnectionQueuedEndParams as TraceConnectionQueuedEndParams, + TraceConnectionQueuedStartParams as TraceConnectionQueuedStartParams, + TraceConnectionReuseconnParams as TraceConnectionReuseconnParams, + TraceDnsCacheHitParams as TraceDnsCacheHitParams, + TraceDnsCacheMissParams as TraceDnsCacheMissParams, + TraceDnsResolveHostEndParams as TraceDnsResolveHostEndParams, + TraceDnsResolveHostStartParams as TraceDnsResolveHostStartParams, + TraceRequestChunkSentParams as TraceRequestChunkSentParams, + TraceRequestEndParams as TraceRequestEndParams, + TraceRequestExceptionParams as TraceRequestExceptionParams, + TraceRequestRedirectParams as TraceRequestRedirectParams, + TraceRequestStartParams as TraceRequestStartParams, + TraceResponseChunkReceivedParams as TraceResponseChunkReceivedParams, +) + +__all__: Tuple[str, ...] = ( + "hdrs", + # client + "BaseConnector", + "ClientConnectionError", + "ClientConnectorCertificateError", + "ClientConnectorError", + "ClientConnectorSSLError", + "ClientError", + "ClientHttpProxyError", + "ClientOSError", + "ClientPayloadError", + "ClientProxyConnectionError", + "ClientResponse", + "ClientRequest", + "ClientResponseError", + "ClientSSLError", + "ClientSession", + "ClientTimeout", + "ClientWebSocketResponse", + "ContentTypeError", + "Fingerprint", + "InvalidURL", + "RequestInfo", + "ServerConnectionError", + "ServerDisconnectedError", + "ServerFingerprintMismatch", + "ServerTimeoutError", + "TCPConnector", + "TooManyRedirects", + "UnixConnector", + "NamedPipeConnector", + "WSServerHandshakeError", + "request", + # cookiejar + "CookieJar", + "DummyCookieJar", + # formdata + "FormData", + # helpers + "BasicAuth", + "ChainMapProxy", + # http + "HttpVersion", + "HttpVersion10", + "HttpVersion11", + "WSMsgType", + "WSCloseCode", + "WSMessage", + "WebSocketError", + # multipart + "BadContentDispositionHeader", + "BadContentDispositionParam", + "BodyPartReader", + "MultipartReader", + "MultipartWriter", + "content_disposition_filename", + "parse_content_disposition", + # payload + "AsyncIterablePayload", + "BufferedReaderPayload", + "BytesIOPayload", + "BytesPayload", + "IOBasePayload", + "JsonPayload", + "PAYLOAD_REGISTRY", + "Payload", + "StringIOPayload", + "StringPayload", + "TextIOPayload", + "get_payload", + "payload_type", + # payload_streamer + "streamer", + # resolver + "AsyncResolver", + "DefaultResolver", + "ThreadedResolver", + # signals + "Signal", + "DataQueue", + "EMPTY_PAYLOAD", + "EofStream", + "FlowControlDataQueue", + "StreamReader", + # tracing + "TraceConfig", + "TraceConnectionCreateEndParams", + "TraceConnectionCreateStartParams", + "TraceConnectionQueuedEndParams", + "TraceConnectionQueuedStartParams", + "TraceConnectionReuseconnParams", + "TraceDnsCacheHitParams", + "TraceDnsCacheMissParams", + "TraceDnsResolveHostEndParams", + "TraceDnsResolveHostStartParams", + "TraceRequestChunkSentParams", + "TraceRequestEndParams", + "TraceRequestExceptionParams", + "TraceRequestRedirectParams", + "TraceRequestStartParams", + "TraceResponseChunkReceivedParams", +) + +try: + from .worker import GunicornUVLoopWebWorker, GunicornWebWorker + + __all__ += ("GunicornWebWorker", "GunicornUVLoopWebWorker") +except ImportError: # pragma: no cover + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_cparser.pxd b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_cparser.pxd new file mode 100644 index 0000000..0f9fc00 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_cparser.pxd @@ -0,0 +1,140 @@ +from libc.stdint cimport uint16_t, uint32_t, uint64_t + + +cdef extern from "../vendor/http-parser/http_parser.h": + ctypedef int (*http_data_cb) (http_parser*, + const char *at, + size_t length) except -1 + + ctypedef int (*http_cb) (http_parser*) except -1 + + struct http_parser: + unsigned int type + unsigned int flags + unsigned int state + unsigned int header_state + unsigned int index + + uint32_t nread + uint64_t content_length + + unsigned short http_major + unsigned short http_minor + unsigned int status_code + unsigned int method + unsigned int http_errno + + unsigned int upgrade + + void *data + + struct http_parser_settings: + http_cb on_message_begin + http_data_cb on_url + http_data_cb on_status + http_data_cb on_header_field + http_data_cb on_header_value + http_cb on_headers_complete + http_data_cb on_body + http_cb on_message_complete + http_cb on_chunk_header + http_cb on_chunk_complete + + enum http_parser_type: + HTTP_REQUEST, + HTTP_RESPONSE, + HTTP_BOTH + + enum http_errno: + HPE_OK, + HPE_CB_message_begin, + HPE_CB_url, + HPE_CB_header_field, + HPE_CB_header_value, + HPE_CB_headers_complete, + HPE_CB_body, + HPE_CB_message_complete, + HPE_CB_status, + HPE_CB_chunk_header, + HPE_CB_chunk_complete, + HPE_INVALID_EOF_STATE, + HPE_HEADER_OVERFLOW, + HPE_CLOSED_CONNECTION, + HPE_INVALID_VERSION, + HPE_INVALID_STATUS, + HPE_INVALID_METHOD, + HPE_INVALID_URL, + HPE_INVALID_HOST, + HPE_INVALID_PORT, + HPE_INVALID_PATH, + HPE_INVALID_QUERY_STRING, + HPE_INVALID_FRAGMENT, + HPE_LF_EXPECTED, + HPE_INVALID_HEADER_TOKEN, + HPE_INVALID_CONTENT_LENGTH, + HPE_INVALID_CHUNK_SIZE, + HPE_INVALID_CONSTANT, + HPE_INVALID_INTERNAL_STATE, + HPE_STRICT, + HPE_PAUSED, + HPE_UNKNOWN + + enum flags: + F_CHUNKED, + F_CONNECTION_KEEP_ALIVE, + F_CONNECTION_CLOSE, + F_CONNECTION_UPGRADE, + F_TRAILING, + F_UPGRADE, + F_SKIPBODY, + F_CONTENTLENGTH + + enum http_method: + DELETE, GET, HEAD, POST, PUT, CONNECT, OPTIONS, TRACE, COPY, + LOCK, MKCOL, MOVE, PROPFIND, PROPPATCH, SEARCH, UNLOCK, BIND, + REBIND, UNBIND, ACL, REPORT, MKACTIVITY, CHECKOUT, MERGE, + MSEARCH, NOTIFY, SUBSCRIBE, UNSUBSCRIBE, PATCH, PURGE, MKCALENDAR, + LINK, UNLINK + + void http_parser_init(http_parser *parser, http_parser_type type) + + size_t http_parser_execute(http_parser *parser, + const http_parser_settings *settings, + const char *data, + size_t len) + + int http_should_keep_alive(const http_parser *parser) + + void http_parser_settings_init(http_parser_settings *settings) + + const char *http_errno_name(http_errno err) + const char *http_errno_description(http_errno err) + const char *http_method_str(http_method m) + + # URL Parser + + enum http_parser_url_fields: + UF_SCHEMA = 0, + UF_HOST = 1, + UF_PORT = 2, + UF_PATH = 3, + UF_QUERY = 4, + UF_FRAGMENT = 5, + UF_USERINFO = 6, + UF_MAX = 7 + + struct http_parser_url_field_data: + uint16_t off + uint16_t len + + struct http_parser_url: + uint16_t field_set + uint16_t port + http_parser_url_field_data[UF_MAX] field_data + + void http_parser_url_init(http_parser_url *u) + + int http_parser_parse_url(const char *buf, + size_t buflen, + int is_connect, + http_parser_url *u) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.c new file mode 100644 index 0000000..012cba3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.c @@ -0,0 +1,9870 @@ +/* The file is autogenerated from aiohttp/hdrs.py +Run ./tools/gen.py to update it after the origin changing. */ + +#include "_find_header.h" + +#define NEXT_CHAR() \ +{ \ + count++; \ + if (count == size) { \ + /* end of search */ \ + return -1; \ + } \ + pchar++; \ + ch = *pchar; \ + last = (count == size -1); \ +} while(0); + +int +find_header(const char *str, int size) +{ + char *pchar = str; + int last; + char ch; + int count = -1; + pchar--; + + + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto A; + case 'a': + if (last) { + return -1; + } + goto A; + case 'C': + if (last) { + return -1; + } + goto C; + case 'c': + if (last) { + return -1; + } + goto C; + case 'D': + if (last) { + return -1; + } + goto D; + case 'd': + if (last) { + return -1; + } + goto D; + case 'E': + if (last) { + return -1; + } + goto E; + case 'e': + if (last) { + return -1; + } + goto E; + case 'F': + if (last) { + return -1; + } + goto F; + case 'f': + if (last) { + return -1; + } + goto F; + case 'H': + if (last) { + return -1; + } + goto H; + case 'h': + if (last) { + return -1; + } + goto H; + case 'I': + if (last) { + return -1; + } + goto I; + case 'i': + if (last) { + return -1; + } + goto I; + case 'K': + if (last) { + return -1; + } + goto K; + case 'k': + if (last) { + return -1; + } + goto K; + case 'L': + if (last) { + return -1; + } + goto L; + case 'l': + if (last) { + return -1; + } + goto L; + case 'M': + if (last) { + return -1; + } + goto M; + case 'm': + if (last) { + return -1; + } + goto M; + case 'O': + if (last) { + return -1; + } + goto O; + case 'o': + if (last) { + return -1; + } + goto O; + case 'P': + if (last) { + return -1; + } + goto P; + case 'p': + if (last) { + return -1; + } + goto P; + case 'R': + if (last) { + return -1; + } + goto R; + case 'r': + if (last) { + return -1; + } + goto R; + case 'S': + if (last) { + return -1; + } + goto S; + case 's': + if (last) { + return -1; + } + goto S; + case 'T': + if (last) { + return -1; + } + goto T; + case 't': + if (last) { + return -1; + } + goto T; + case 'U': + if (last) { + return -1; + } + goto U; + case 'u': + if (last) { + return -1; + } + goto U; + case 'V': + if (last) { + return -1; + } + goto V; + case 'v': + if (last) { + return -1; + } + goto V; + case 'W': + if (last) { + return -1; + } + goto W; + case 'w': + if (last) { + return -1; + } + goto W; + case 'X': + if (last) { + return -1; + } + goto X; + case 'x': + if (last) { + return -1; + } + goto X; + default: + return -1; + } + +A: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto AC; + case 'c': + if (last) { + return -1; + } + goto AC; + case 'G': + if (last) { + return -1; + } + goto AG; + case 'g': + if (last) { + return -1; + } + goto AG; + case 'L': + if (last) { + return -1; + } + goto AL; + case 'l': + if (last) { + return -1; + } + goto AL; + case 'U': + if (last) { + return -1; + } + goto AU; + case 'u': + if (last) { + return -1; + } + goto AU; + default: + return -1; + } + +AC: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto ACC; + case 'c': + if (last) { + return -1; + } + goto ACC; + default: + return -1; + } + +ACC: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCE; + case 'e': + if (last) { + return -1; + } + goto ACCE; + default: + return -1; + } + +ACCE: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto ACCEP; + case 'p': + if (last) { + return -1; + } + goto ACCEP; + case 'S': + if (last) { + return -1; + } + goto ACCES; + case 's': + if (last) { + return -1; + } + goto ACCES; + default: + return -1; + } + +ACCEP: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 0; + } + goto ACCEPT; + case 't': + if (last) { + return 0; + } + goto ACCEPT; + default: + return -1; + } + +ACCEPT: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCEPT_; + default: + return -1; + } + +ACCEPT_: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto ACCEPT_C; + case 'c': + if (last) { + return -1; + } + goto ACCEPT_C; + case 'E': + if (last) { + return -1; + } + goto ACCEPT_E; + case 'e': + if (last) { + return -1; + } + goto ACCEPT_E; + case 'L': + if (last) { + return -1; + } + goto ACCEPT_L; + case 'l': + if (last) { + return -1; + } + goto ACCEPT_L; + case 'R': + if (last) { + return -1; + } + goto ACCEPT_R; + case 'r': + if (last) { + return -1; + } + goto ACCEPT_R; + default: + return -1; + } + +ACCEPT_C: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto ACCEPT_CH; + case 'h': + if (last) { + return -1; + } + goto ACCEPT_CH; + default: + return -1; + } + +ACCEPT_CH: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCEPT_CHA; + case 'a': + if (last) { + return -1; + } + goto ACCEPT_CHA; + default: + return -1; + } + +ACCEPT_CHA: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCEPT_CHAR; + case 'r': + if (last) { + return -1; + } + goto ACCEPT_CHAR; + default: + return -1; + } + +ACCEPT_CHAR: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto ACCEPT_CHARS; + case 's': + if (last) { + return -1; + } + goto ACCEPT_CHARS; + default: + return -1; + } + +ACCEPT_CHARS: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCEPT_CHARSE; + case 'e': + if (last) { + return -1; + } + goto ACCEPT_CHARSE; + default: + return -1; + } + +ACCEPT_CHARSE: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 1; + } + goto ACCEPT_CHARSET; + case 't': + if (last) { + return 1; + } + goto ACCEPT_CHARSET; + default: + return -1; + } + +ACCEPT_E: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCEPT_EN; + case 'n': + if (last) { + return -1; + } + goto ACCEPT_EN; + default: + return -1; + } + +ACCEPT_EN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto ACCEPT_ENC; + case 'c': + if (last) { + return -1; + } + goto ACCEPT_ENC; + default: + return -1; + } + +ACCEPT_ENC: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCEPT_ENCO; + case 'o': + if (last) { + return -1; + } + goto ACCEPT_ENCO; + default: + return -1; + } + +ACCEPT_ENCO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCEPT_ENCOD; + case 'd': + if (last) { + return -1; + } + goto ACCEPT_ENCOD; + default: + return -1; + } + +ACCEPT_ENCOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ACCEPT_ENCODI; + case 'i': + if (last) { + return -1; + } + goto ACCEPT_ENCODI; + default: + return -1; + } + +ACCEPT_ENCODI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCEPT_ENCODIN; + case 'n': + if (last) { + return -1; + } + goto ACCEPT_ENCODIN; + default: + return -1; + } + +ACCEPT_ENCODIN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 2; + } + goto ACCEPT_ENCODING; + case 'g': + if (last) { + return 2; + } + goto ACCEPT_ENCODING; + default: + return -1; + } + +ACCEPT_L: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCEPT_LA; + case 'a': + if (last) { + return -1; + } + goto ACCEPT_LA; + default: + return -1; + } + +ACCEPT_LA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCEPT_LAN; + case 'n': + if (last) { + return -1; + } + goto ACCEPT_LAN; + default: + return -1; + } + +ACCEPT_LAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ACCEPT_LANG; + case 'g': + if (last) { + return -1; + } + goto ACCEPT_LANG; + default: + return -1; + } + +ACCEPT_LANG: + NEXT_CHAR(); + switch (ch) { + case 'U': + if (last) { + return -1; + } + goto ACCEPT_LANGU; + case 'u': + if (last) { + return -1; + } + goto ACCEPT_LANGU; + default: + return -1; + } + +ACCEPT_LANGU: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCEPT_LANGUA; + case 'a': + if (last) { + return -1; + } + goto ACCEPT_LANGUA; + default: + return -1; + } + +ACCEPT_LANGUA: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ACCEPT_LANGUAG; + case 'g': + if (last) { + return -1; + } + goto ACCEPT_LANGUAG; + default: + return -1; + } + +ACCEPT_LANGUAG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 3; + } + goto ACCEPT_LANGUAGE; + case 'e': + if (last) { + return 3; + } + goto ACCEPT_LANGUAGE; + default: + return -1; + } + +ACCEPT_R: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCEPT_RA; + case 'a': + if (last) { + return -1; + } + goto ACCEPT_RA; + default: + return -1; + } + +ACCEPT_RA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCEPT_RAN; + case 'n': + if (last) { + return -1; + } + goto ACCEPT_RAN; + default: + return -1; + } + +ACCEPT_RAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ACCEPT_RANG; + case 'g': + if (last) { + return -1; + } + goto ACCEPT_RANG; + default: + return -1; + } + +ACCEPT_RANG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCEPT_RANGE; + case 'e': + if (last) { + return -1; + } + goto ACCEPT_RANGE; + default: + return -1; + } + +ACCEPT_RANGE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 4; + } + goto ACCEPT_RANGES; + case 's': + if (last) { + return 4; + } + goto ACCEPT_RANGES; + default: + return -1; + } + +ACCES: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto ACCESS; + case 's': + if (last) { + return -1; + } + goto ACCESS; + default: + return -1; + } + +ACCESS: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_; + default: + return -1; + } + +ACCESS_: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto ACCESS_C; + case 'c': + if (last) { + return -1; + } + goto ACCESS_C; + default: + return -1; + } + +ACCESS_C: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CO; + default: + return -1; + } + +ACCESS_CO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCESS_CON; + case 'n': + if (last) { + return -1; + } + goto ACCESS_CON; + default: + return -1; + } + +ACCESS_CON: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ACCESS_CONT; + case 't': + if (last) { + return -1; + } + goto ACCESS_CONT; + default: + return -1; + } + +ACCESS_CONT: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTR; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTR; + default: + return -1; + } + +ACCESS_CONTR: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTRO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTRO; + default: + return -1; + } + +ACCESS_CONTRO: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto ACCESS_CONTROL; + case 'l': + if (last) { + return -1; + } + goto ACCESS_CONTROL; + default: + return -1; + } + +ACCESS_CONTROL: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_CONTROL_; + default: + return -1; + } + +ACCESS_CONTROL_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_A; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_A; + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_E; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_E; + case 'M': + if (last) { + return -1; + } + goto ACCESS_CONTROL_M; + case 'm': + if (last) { + return -1; + } + goto ACCESS_CONTROL_M; + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_R; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_R; + default: + return -1; + } + +ACCESS_CONTROL_A: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto ACCESS_CONTROL_AL; + case 'l': + if (last) { + return -1; + } + goto ACCESS_CONTROL_AL; + default: + return -1; + } + +ACCESS_CONTROL_AL: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALL; + case 'l': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALL; + default: + return -1; + } + +ACCESS_CONTROL_ALL: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLO; + default: + return -1; + } + +ACCESS_CONTROL_ALLO: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW; + case 'w': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_C; + case 'c': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_C; + case 'H': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_H; + case 'h': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_H; + case 'M': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_M; + case 'm': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_M; + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_O; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_O; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_C: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CR; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CR; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CR: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CRE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CRE; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CRE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CRED; + case 'd': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CRED; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CRED: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDE; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDEN; + case 'n': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDEN; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENT; + case 't': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENT; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDENT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTI; + case 'i': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTI; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDENTI: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIA; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIA; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDENTIA: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIAL; + case 'l': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIAL; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_CREDENTIAL: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 5; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIALS; + case 's': + if (last) { + return 5; + } + goto ACCESS_CONTROL_ALLOW_CREDENTIALS; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_H: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HE; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_HE: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEA; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEA; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_HEA: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEAD; + case 'd': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEAD; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_HEAD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEADE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEADE; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_HEADE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEADER; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_HEADER; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_HEADER: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 6; + } + goto ACCESS_CONTROL_ALLOW_HEADERS; + case 's': + if (last) { + return 6; + } + goto ACCESS_CONTROL_ALLOW_HEADERS; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_M: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ME; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ME; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_ME: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_MET; + case 't': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_MET; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_MET: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METH; + case 'h': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METH; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_METH: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METHO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METHO; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_METHO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METHOD; + case 'd': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_METHOD; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_METHOD: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 7; + } + goto ACCESS_CONTROL_ALLOW_METHODS; + case 's': + if (last) { + return 7; + } + goto ACCESS_CONTROL_ALLOW_METHODS; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_O: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_OR; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_OR; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_OR: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORI; + case 'i': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORI; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_ORI: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORIG; + case 'g': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORIG; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_ORIG: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORIGI; + case 'i': + if (last) { + return -1; + } + goto ACCESS_CONTROL_ALLOW_ORIGI; + default: + return -1; + } + +ACCESS_CONTROL_ALLOW_ORIGI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 8; + } + goto ACCESS_CONTROL_ALLOW_ORIGIN; + case 'n': + if (last) { + return 8; + } + goto ACCESS_CONTROL_ALLOW_ORIGIN; + default: + return -1; + } + +ACCESS_CONTROL_E: + NEXT_CHAR(); + switch (ch) { + case 'X': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EX; + case 'x': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EX; + default: + return -1; + } + +ACCESS_CONTROL_EX: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXP; + case 'p': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXP; + default: + return -1; + } + +ACCESS_CONTROL_EXP: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPO; + default: + return -1; + } + +ACCESS_CONTROL_EXPO: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOS; + case 's': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOS; + default: + return -1; + } + +ACCESS_CONTROL_EXPOS: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_H; + case 'h': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_H; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_H: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HE; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_HE: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEA; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEA; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_HEA: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEAD; + case 'd': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEAD; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_HEAD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEADE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEADE; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_HEADE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEADER; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_EXPOSE_HEADER; + default: + return -1; + } + +ACCESS_CONTROL_EXPOSE_HEADER: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 9; + } + goto ACCESS_CONTROL_EXPOSE_HEADERS; + case 's': + if (last) { + return 9; + } + goto ACCESS_CONTROL_EXPOSE_HEADERS; + default: + return -1; + } + +ACCESS_CONTROL_M: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MA; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MA; + default: + return -1; + } + +ACCESS_CONTROL_MA: + NEXT_CHAR(); + switch (ch) { + case 'X': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX; + case 'x': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX; + default: + return -1; + } + +ACCESS_CONTROL_MAX: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX_; + default: + return -1; + } + +ACCESS_CONTROL_MAX_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX_A; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX_A; + default: + return -1; + } + +ACCESS_CONTROL_MAX_A: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX_AG; + case 'g': + if (last) { + return -1; + } + goto ACCESS_CONTROL_MAX_AG; + default: + return -1; + } + +ACCESS_CONTROL_MAX_AG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 10; + } + goto ACCESS_CONTROL_MAX_AGE; + case 'e': + if (last) { + return 10; + } + goto ACCESS_CONTROL_MAX_AGE; + default: + return -1; + } + +ACCESS_CONTROL_R: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_RE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_RE; + default: + return -1; + } + +ACCESS_CONTROL_RE: + NEXT_CHAR(); + switch (ch) { + case 'Q': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQ; + case 'q': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQ; + default: + return -1; + } + +ACCESS_CONTROL_REQ: + NEXT_CHAR(); + switch (ch) { + case 'U': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQU; + case 'u': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQU; + default: + return -1; + } + +ACCESS_CONTROL_REQU: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUE; + default: + return -1; + } + +ACCESS_CONTROL_REQUE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUES; + case 's': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUES; + default: + return -1; + } + +ACCESS_CONTROL_REQUES: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST; + case 't': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_H; + case 'h': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_H; + case 'M': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_M; + case 'm': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_M; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_H: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HE; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_HE: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEA; + case 'a': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEA; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_HEA: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEAD; + case 'd': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEAD; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_HEAD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEADE; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEADE; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_HEADE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEADER; + case 'r': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_HEADER; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_HEADER: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 11; + } + goto ACCESS_CONTROL_REQUEST_HEADERS; + case 's': + if (last) { + return 11; + } + goto ACCESS_CONTROL_REQUEST_HEADERS; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_M: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_ME; + case 'e': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_ME; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_ME: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_MET; + case 't': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_MET; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_MET: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_METH; + case 'h': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_METH; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_METH: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_METHO; + case 'o': + if (last) { + return -1; + } + goto ACCESS_CONTROL_REQUEST_METHO; + default: + return -1; + } + +ACCESS_CONTROL_REQUEST_METHO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return 12; + } + goto ACCESS_CONTROL_REQUEST_METHOD; + case 'd': + if (last) { + return 12; + } + goto ACCESS_CONTROL_REQUEST_METHOD; + default: + return -1; + } + +AG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 13; + } + goto AGE; + case 'e': + if (last) { + return 13; + } + goto AGE; + default: + return -1; + } + +AL: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto ALL; + case 'l': + if (last) { + return -1; + } + goto ALL; + default: + return -1; + } + +ALL: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto ALLO; + case 'o': + if (last) { + return -1; + } + goto ALLO; + default: + return -1; + } + +ALLO: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return 14; + } + goto ALLOW; + case 'w': + if (last) { + return 14; + } + goto ALLOW; + default: + return -1; + } + +AU: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto AUT; + case 't': + if (last) { + return -1; + } + goto AUT; + default: + return -1; + } + +AUT: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto AUTH; + case 'h': + if (last) { + return -1; + } + goto AUTH; + default: + return -1; + } + +AUTH: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto AUTHO; + case 'o': + if (last) { + return -1; + } + goto AUTHO; + default: + return -1; + } + +AUTHO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto AUTHOR; + case 'r': + if (last) { + return -1; + } + goto AUTHOR; + default: + return -1; + } + +AUTHOR: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto AUTHORI; + case 'i': + if (last) { + return -1; + } + goto AUTHORI; + default: + return -1; + } + +AUTHORI: + NEXT_CHAR(); + switch (ch) { + case 'Z': + if (last) { + return -1; + } + goto AUTHORIZ; + case 'z': + if (last) { + return -1; + } + goto AUTHORIZ; + default: + return -1; + } + +AUTHORIZ: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto AUTHORIZA; + case 'a': + if (last) { + return -1; + } + goto AUTHORIZA; + default: + return -1; + } + +AUTHORIZA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto AUTHORIZAT; + case 't': + if (last) { + return -1; + } + goto AUTHORIZAT; + default: + return -1; + } + +AUTHORIZAT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto AUTHORIZATI; + case 'i': + if (last) { + return -1; + } + goto AUTHORIZATI; + default: + return -1; + } + +AUTHORIZATI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto AUTHORIZATIO; + case 'o': + if (last) { + return -1; + } + goto AUTHORIZATIO; + default: + return -1; + } + +AUTHORIZATIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 15; + } + goto AUTHORIZATION; + case 'n': + if (last) { + return 15; + } + goto AUTHORIZATION; + default: + return -1; + } + +C: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CA; + case 'a': + if (last) { + return -1; + } + goto CA; + case 'O': + if (last) { + return -1; + } + goto CO; + case 'o': + if (last) { + return -1; + } + goto CO; + default: + return -1; + } + +CA: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CAC; + case 'c': + if (last) { + return -1; + } + goto CAC; + default: + return -1; + } + +CAC: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto CACH; + case 'h': + if (last) { + return -1; + } + goto CACH; + default: + return -1; + } + +CACH: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto CACHE; + case 'e': + if (last) { + return -1; + } + goto CACHE; + default: + return -1; + } + +CACHE: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto CACHE_; + default: + return -1; + } + +CACHE_: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CACHE_C; + case 'c': + if (last) { + return -1; + } + goto CACHE_C; + default: + return -1; + } + +CACHE_C: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CACHE_CO; + case 'o': + if (last) { + return -1; + } + goto CACHE_CO; + default: + return -1; + } + +CACHE_CO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CACHE_CON; + case 'n': + if (last) { + return -1; + } + goto CACHE_CON; + default: + return -1; + } + +CACHE_CON: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CACHE_CONT; + case 't': + if (last) { + return -1; + } + goto CACHE_CONT; + default: + return -1; + } + +CACHE_CONT: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto CACHE_CONTR; + case 'r': + if (last) { + return -1; + } + goto CACHE_CONTR; + default: + return -1; + } + +CACHE_CONTR: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CACHE_CONTRO; + case 'o': + if (last) { + return -1; + } + goto CACHE_CONTRO; + default: + return -1; + } + +CACHE_CONTRO: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return 16; + } + goto CACHE_CONTROL; + case 'l': + if (last) { + return 16; + } + goto CACHE_CONTROL; + default: + return -1; + } + +CO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CON; + case 'n': + if (last) { + return -1; + } + goto CON; + case 'O': + if (last) { + return -1; + } + goto COO; + case 'o': + if (last) { + return -1; + } + goto COO; + default: + return -1; + } + +CON: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONN; + case 'n': + if (last) { + return -1; + } + goto CONN; + case 'T': + if (last) { + return -1; + } + goto CONT; + case 't': + if (last) { + return -1; + } + goto CONT; + default: + return -1; + } + +CONN: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto CONNE; + case 'e': + if (last) { + return -1; + } + goto CONNE; + default: + return -1; + } + +CONNE: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CONNEC; + case 'c': + if (last) { + return -1; + } + goto CONNEC; + default: + return -1; + } + +CONNEC: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CONNECT; + case 't': + if (last) { + return -1; + } + goto CONNECT; + default: + return -1; + } + +CONNECT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONNECTI; + case 'i': + if (last) { + return -1; + } + goto CONNECTI; + default: + return -1; + } + +CONNECTI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONNECTIO; + case 'o': + if (last) { + return -1; + } + goto CONNECTIO; + default: + return -1; + } + +CONNECTIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 17; + } + goto CONNECTION; + case 'n': + if (last) { + return 17; + } + goto CONNECTION; + default: + return -1; + } + +CONT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto CONTE; + case 'e': + if (last) { + return -1; + } + goto CONTE; + default: + return -1; + } + +CONTE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTEN; + case 'n': + if (last) { + return -1; + } + goto CONTEN; + default: + return -1; + } + +CONTEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CONTENT; + case 't': + if (last) { + return -1; + } + goto CONTENT; + default: + return -1; + } + +CONTENT: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto CONTENT_; + default: + return -1; + } + +CONTENT_: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto CONTENT_D; + case 'd': + if (last) { + return -1; + } + goto CONTENT_D; + case 'E': + if (last) { + return -1; + } + goto CONTENT_E; + case 'e': + if (last) { + return -1; + } + goto CONTENT_E; + case 'L': + if (last) { + return -1; + } + goto CONTENT_L; + case 'l': + if (last) { + return -1; + } + goto CONTENT_L; + case 'M': + if (last) { + return -1; + } + goto CONTENT_M; + case 'm': + if (last) { + return -1; + } + goto CONTENT_M; + case 'R': + if (last) { + return -1; + } + goto CONTENT_R; + case 'r': + if (last) { + return -1; + } + goto CONTENT_R; + case 'T': + if (last) { + return -1; + } + goto CONTENT_T; + case 't': + if (last) { + return -1; + } + goto CONTENT_T; + default: + return -1; + } + +CONTENT_D: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_DI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_DI; + default: + return -1; + } + +CONTENT_DI: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto CONTENT_DIS; + case 's': + if (last) { + return -1; + } + goto CONTENT_DIS; + default: + return -1; + } + +CONTENT_DIS: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto CONTENT_DISP; + case 'p': + if (last) { + return -1; + } + goto CONTENT_DISP; + default: + return -1; + } + +CONTENT_DISP: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONTENT_DISPO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_DISPO; + default: + return -1; + } + +CONTENT_DISPO: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto CONTENT_DISPOS; + case 's': + if (last) { + return -1; + } + goto CONTENT_DISPOS; + default: + return -1; + } + +CONTENT_DISPOS: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_DISPOSI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_DISPOSI; + default: + return -1; + } + +CONTENT_DISPOSI: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CONTENT_DISPOSIT; + case 't': + if (last) { + return -1; + } + goto CONTENT_DISPOSIT; + default: + return -1; + } + +CONTENT_DISPOSIT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_DISPOSITI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_DISPOSITI; + default: + return -1; + } + +CONTENT_DISPOSITI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONTENT_DISPOSITIO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_DISPOSITIO; + default: + return -1; + } + +CONTENT_DISPOSITIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 18; + } + goto CONTENT_DISPOSITION; + case 'n': + if (last) { + return 18; + } + goto CONTENT_DISPOSITION; + default: + return -1; + } + +CONTENT_E: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_EN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_EN; + default: + return -1; + } + +CONTENT_EN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CONTENT_ENC; + case 'c': + if (last) { + return -1; + } + goto CONTENT_ENC; + default: + return -1; + } + +CONTENT_ENC: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONTENT_ENCO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_ENCO; + default: + return -1; + } + +CONTENT_ENCO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto CONTENT_ENCOD; + case 'd': + if (last) { + return -1; + } + goto CONTENT_ENCOD; + default: + return -1; + } + +CONTENT_ENCOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_ENCODI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_ENCODI; + default: + return -1; + } + +CONTENT_ENCODI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_ENCODIN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_ENCODIN; + default: + return -1; + } + +CONTENT_ENCODIN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 19; + } + goto CONTENT_ENCODING; + case 'g': + if (last) { + return 19; + } + goto CONTENT_ENCODING; + default: + return -1; + } + +CONTENT_L: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CONTENT_LA; + case 'a': + if (last) { + return -1; + } + goto CONTENT_LA; + case 'E': + if (last) { + return -1; + } + goto CONTENT_LE; + case 'e': + if (last) { + return -1; + } + goto CONTENT_LE; + case 'O': + if (last) { + return -1; + } + goto CONTENT_LO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_LO; + default: + return -1; + } + +CONTENT_LA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_LAN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_LAN; + default: + return -1; + } + +CONTENT_LAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto CONTENT_LANG; + case 'g': + if (last) { + return -1; + } + goto CONTENT_LANG; + default: + return -1; + } + +CONTENT_LANG: + NEXT_CHAR(); + switch (ch) { + case 'U': + if (last) { + return -1; + } + goto CONTENT_LANGU; + case 'u': + if (last) { + return -1; + } + goto CONTENT_LANGU; + default: + return -1; + } + +CONTENT_LANGU: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CONTENT_LANGUA; + case 'a': + if (last) { + return -1; + } + goto CONTENT_LANGUA; + default: + return -1; + } + +CONTENT_LANGUA: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto CONTENT_LANGUAG; + case 'g': + if (last) { + return -1; + } + goto CONTENT_LANGUAG; + default: + return -1; + } + +CONTENT_LANGUAG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 20; + } + goto CONTENT_LANGUAGE; + case 'e': + if (last) { + return 20; + } + goto CONTENT_LANGUAGE; + default: + return -1; + } + +CONTENT_LE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_LEN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_LEN; + default: + return -1; + } + +CONTENT_LEN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto CONTENT_LENG; + case 'g': + if (last) { + return -1; + } + goto CONTENT_LENG; + default: + return -1; + } + +CONTENT_LENG: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CONTENT_LENGT; + case 't': + if (last) { + return -1; + } + goto CONTENT_LENGT; + default: + return -1; + } + +CONTENT_LENGT: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return 21; + } + goto CONTENT_LENGTH; + case 'h': + if (last) { + return 21; + } + goto CONTENT_LENGTH; + default: + return -1; + } + +CONTENT_LO: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CONTENT_LOC; + case 'c': + if (last) { + return -1; + } + goto CONTENT_LOC; + default: + return -1; + } + +CONTENT_LOC: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CONTENT_LOCA; + case 'a': + if (last) { + return -1; + } + goto CONTENT_LOCA; + default: + return -1; + } + +CONTENT_LOCA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto CONTENT_LOCAT; + case 't': + if (last) { + return -1; + } + goto CONTENT_LOCAT; + default: + return -1; + } + +CONTENT_LOCAT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_LOCATI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_LOCATI; + default: + return -1; + } + +CONTENT_LOCATI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONTENT_LOCATIO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_LOCATIO; + default: + return -1; + } + +CONTENT_LOCATIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 22; + } + goto CONTENT_LOCATION; + case 'n': + if (last) { + return 22; + } + goto CONTENT_LOCATION; + default: + return -1; + } + +CONTENT_M: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto CONTENT_MD; + case 'd': + if (last) { + return -1; + } + goto CONTENT_MD; + default: + return -1; + } + +CONTENT_MD: + NEXT_CHAR(); + switch (ch) { + case '5': + if (last) { + return 23; + } + goto CONTENT_MD5; + default: + return -1; + } + +CONTENT_R: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CONTENT_RA; + case 'a': + if (last) { + return -1; + } + goto CONTENT_RA; + default: + return -1; + } + +CONTENT_RA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_RAN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_RAN; + default: + return -1; + } + +CONTENT_RAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto CONTENT_RANG; + case 'g': + if (last) { + return -1; + } + goto CONTENT_RANG; + default: + return -1; + } + +CONTENT_RANG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 24; + } + goto CONTENT_RANGE; + case 'e': + if (last) { + return 24; + } + goto CONTENT_RANGE; + default: + return -1; + } + +CONTENT_T: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto CONTENT_TR; + case 'r': + if (last) { + return -1; + } + goto CONTENT_TR; + case 'Y': + if (last) { + return -1; + } + goto CONTENT_TY; + case 'y': + if (last) { + return -1; + } + goto CONTENT_TY; + default: + return -1; + } + +CONTENT_TR: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto CONTENT_TRA; + case 'a': + if (last) { + return -1; + } + goto CONTENT_TRA; + default: + return -1; + } + +CONTENT_TRA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_TRAN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_TRAN; + default: + return -1; + } + +CONTENT_TRAN: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto CONTENT_TRANS; + case 's': + if (last) { + return -1; + } + goto CONTENT_TRANS; + default: + return -1; + } + +CONTENT_TRANS: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto CONTENT_TRANSF; + case 'f': + if (last) { + return -1; + } + goto CONTENT_TRANSF; + default: + return -1; + } + +CONTENT_TRANSF: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto CONTENT_TRANSFE; + case 'e': + if (last) { + return -1; + } + goto CONTENT_TRANSFE; + default: + return -1; + } + +CONTENT_TRANSFE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto CONTENT_TRANSFER; + case 'r': + if (last) { + return -1; + } + goto CONTENT_TRANSFER; + default: + return -1; + } + +CONTENT_TRANSFER: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_; + default: + return -1; + } + +CONTENT_TRANSFER_: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_E; + case 'e': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_E; + default: + return -1; + } + +CONTENT_TRANSFER_E: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_EN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_EN; + default: + return -1; + } + +CONTENT_TRANSFER_EN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENC; + case 'c': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENC; + default: + return -1; + } + +CONTENT_TRANSFER_ENC: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCO; + case 'o': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCO; + default: + return -1; + } + +CONTENT_TRANSFER_ENCO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCOD; + case 'd': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCOD; + default: + return -1; + } + +CONTENT_TRANSFER_ENCOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCODI; + case 'i': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCODI; + default: + return -1; + } + +CONTENT_TRANSFER_ENCODI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCODIN; + case 'n': + if (last) { + return -1; + } + goto CONTENT_TRANSFER_ENCODIN; + default: + return -1; + } + +CONTENT_TRANSFER_ENCODIN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 25; + } + goto CONTENT_TRANSFER_ENCODING; + case 'g': + if (last) { + return 25; + } + goto CONTENT_TRANSFER_ENCODING; + default: + return -1; + } + +CONTENT_TY: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto CONTENT_TYP; + case 'p': + if (last) { + return -1; + } + goto CONTENT_TYP; + default: + return -1; + } + +CONTENT_TYP: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 26; + } + goto CONTENT_TYPE; + case 'e': + if (last) { + return 26; + } + goto CONTENT_TYPE; + default: + return -1; + } + +COO: + NEXT_CHAR(); + switch (ch) { + case 'K': + if (last) { + return -1; + } + goto COOK; + case 'k': + if (last) { + return -1; + } + goto COOK; + default: + return -1; + } + +COOK: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto COOKI; + case 'i': + if (last) { + return -1; + } + goto COOKI; + default: + return -1; + } + +COOKI: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 27; + } + goto COOKIE; + case 'e': + if (last) { + return 27; + } + goto COOKIE; + default: + return -1; + } + +D: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto DA; + case 'a': + if (last) { + return -1; + } + goto DA; + case 'E': + if (last) { + return -1; + } + goto DE; + case 'e': + if (last) { + return -1; + } + goto DE; + case 'I': + if (last) { + return -1; + } + goto DI; + case 'i': + if (last) { + return -1; + } + goto DI; + default: + return -1; + } + +DA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto DAT; + case 't': + if (last) { + return -1; + } + goto DAT; + default: + return -1; + } + +DAT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 28; + } + goto DATE; + case 'e': + if (last) { + return 28; + } + goto DATE; + default: + return -1; + } + +DE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto DES; + case 's': + if (last) { + return -1; + } + goto DES; + default: + return -1; + } + +DES: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto DEST; + case 't': + if (last) { + return -1; + } + goto DEST; + default: + return -1; + } + +DEST: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto DESTI; + case 'i': + if (last) { + return -1; + } + goto DESTI; + default: + return -1; + } + +DESTI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto DESTIN; + case 'n': + if (last) { + return -1; + } + goto DESTIN; + default: + return -1; + } + +DESTIN: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto DESTINA; + case 'a': + if (last) { + return -1; + } + goto DESTINA; + default: + return -1; + } + +DESTINA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto DESTINAT; + case 't': + if (last) { + return -1; + } + goto DESTINAT; + default: + return -1; + } + +DESTINAT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto DESTINATI; + case 'i': + if (last) { + return -1; + } + goto DESTINATI; + default: + return -1; + } + +DESTINATI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto DESTINATIO; + case 'o': + if (last) { + return -1; + } + goto DESTINATIO; + default: + return -1; + } + +DESTINATIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 29; + } + goto DESTINATION; + case 'n': + if (last) { + return 29; + } + goto DESTINATION; + default: + return -1; + } + +DI: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto DIG; + case 'g': + if (last) { + return -1; + } + goto DIG; + default: + return -1; + } + +DIG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto DIGE; + case 'e': + if (last) { + return -1; + } + goto DIGE; + default: + return -1; + } + +DIGE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto DIGES; + case 's': + if (last) { + return -1; + } + goto DIGES; + default: + return -1; + } + +DIGES: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 30; + } + goto DIGEST; + case 't': + if (last) { + return 30; + } + goto DIGEST; + default: + return -1; + } + +E: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto ET; + case 't': + if (last) { + return -1; + } + goto ET; + case 'X': + if (last) { + return -1; + } + goto EX; + case 'x': + if (last) { + return -1; + } + goto EX; + default: + return -1; + } + +ET: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto ETA; + case 'a': + if (last) { + return -1; + } + goto ETA; + default: + return -1; + } + +ETA: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 31; + } + goto ETAG; + case 'g': + if (last) { + return 31; + } + goto ETAG; + default: + return -1; + } + +EX: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto EXP; + case 'p': + if (last) { + return -1; + } + goto EXP; + default: + return -1; + } + +EXP: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto EXPE; + case 'e': + if (last) { + return -1; + } + goto EXPE; + case 'I': + if (last) { + return -1; + } + goto EXPI; + case 'i': + if (last) { + return -1; + } + goto EXPI; + default: + return -1; + } + +EXPE: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto EXPEC; + case 'c': + if (last) { + return -1; + } + goto EXPEC; + default: + return -1; + } + +EXPEC: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 32; + } + goto EXPECT; + case 't': + if (last) { + return 32; + } + goto EXPECT; + default: + return -1; + } + +EXPI: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto EXPIR; + case 'r': + if (last) { + return -1; + } + goto EXPIR; + default: + return -1; + } + +EXPIR: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto EXPIRE; + case 'e': + if (last) { + return -1; + } + goto EXPIRE; + default: + return -1; + } + +EXPIRE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 33; + } + goto EXPIRES; + case 's': + if (last) { + return 33; + } + goto EXPIRES; + default: + return -1; + } + +F: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto FO; + case 'o': + if (last) { + return -1; + } + goto FO; + case 'R': + if (last) { + return -1; + } + goto FR; + case 'r': + if (last) { + return -1; + } + goto FR; + default: + return -1; + } + +FO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto FOR; + case 'r': + if (last) { + return -1; + } + goto FOR; + default: + return -1; + } + +FOR: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto FORW; + case 'w': + if (last) { + return -1; + } + goto FORW; + default: + return -1; + } + +FORW: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto FORWA; + case 'a': + if (last) { + return -1; + } + goto FORWA; + default: + return -1; + } + +FORWA: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto FORWAR; + case 'r': + if (last) { + return -1; + } + goto FORWAR; + default: + return -1; + } + +FORWAR: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto FORWARD; + case 'd': + if (last) { + return -1; + } + goto FORWARD; + default: + return -1; + } + +FORWARD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto FORWARDE; + case 'e': + if (last) { + return -1; + } + goto FORWARDE; + default: + return -1; + } + +FORWARDE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return 34; + } + goto FORWARDED; + case 'd': + if (last) { + return 34; + } + goto FORWARDED; + default: + return -1; + } + +FR: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto FRO; + case 'o': + if (last) { + return -1; + } + goto FRO; + default: + return -1; + } + +FRO: + NEXT_CHAR(); + switch (ch) { + case 'M': + if (last) { + return 35; + } + goto FROM; + case 'm': + if (last) { + return 35; + } + goto FROM; + default: + return -1; + } + +H: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto HO; + case 'o': + if (last) { + return -1; + } + goto HO; + default: + return -1; + } + +HO: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto HOS; + case 's': + if (last) { + return -1; + } + goto HOS; + default: + return -1; + } + +HOS: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 36; + } + goto HOST; + case 't': + if (last) { + return 36; + } + goto HOST; + default: + return -1; + } + +I: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto IF; + case 'f': + if (last) { + return -1; + } + goto IF; + default: + return -1; + } + +IF: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto IF_; + default: + return -1; + } + +IF_: + NEXT_CHAR(); + switch (ch) { + case 'M': + if (last) { + return -1; + } + goto IF_M; + case 'm': + if (last) { + return -1; + } + goto IF_M; + case 'N': + if (last) { + return -1; + } + goto IF_N; + case 'n': + if (last) { + return -1; + } + goto IF_N; + case 'R': + if (last) { + return -1; + } + goto IF_R; + case 'r': + if (last) { + return -1; + } + goto IF_R; + case 'U': + if (last) { + return -1; + } + goto IF_U; + case 'u': + if (last) { + return -1; + } + goto IF_U; + default: + return -1; + } + +IF_M: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto IF_MA; + case 'a': + if (last) { + return -1; + } + goto IF_MA; + case 'O': + if (last) { + return -1; + } + goto IF_MO; + case 'o': + if (last) { + return -1; + } + goto IF_MO; + default: + return -1; + } + +IF_MA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto IF_MAT; + case 't': + if (last) { + return -1; + } + goto IF_MAT; + default: + return -1; + } + +IF_MAT: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto IF_MATC; + case 'c': + if (last) { + return -1; + } + goto IF_MATC; + default: + return -1; + } + +IF_MATC: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return 37; + } + goto IF_MATCH; + case 'h': + if (last) { + return 37; + } + goto IF_MATCH; + default: + return -1; + } + +IF_MO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto IF_MOD; + case 'd': + if (last) { + return -1; + } + goto IF_MOD; + default: + return -1; + } + +IF_MOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_MODI; + case 'i': + if (last) { + return -1; + } + goto IF_MODI; + default: + return -1; + } + +IF_MODI: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto IF_MODIF; + case 'f': + if (last) { + return -1; + } + goto IF_MODIF; + default: + return -1; + } + +IF_MODIF: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_MODIFI; + case 'i': + if (last) { + return -1; + } + goto IF_MODIFI; + default: + return -1; + } + +IF_MODIFI: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto IF_MODIFIE; + case 'e': + if (last) { + return -1; + } + goto IF_MODIFIE; + default: + return -1; + } + +IF_MODIFIE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto IF_MODIFIED; + case 'd': + if (last) { + return -1; + } + goto IF_MODIFIED; + default: + return -1; + } + +IF_MODIFIED: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto IF_MODIFIED_; + default: + return -1; + } + +IF_MODIFIED_: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto IF_MODIFIED_S; + case 's': + if (last) { + return -1; + } + goto IF_MODIFIED_S; + default: + return -1; + } + +IF_MODIFIED_S: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_MODIFIED_SI; + case 'i': + if (last) { + return -1; + } + goto IF_MODIFIED_SI; + default: + return -1; + } + +IF_MODIFIED_SI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto IF_MODIFIED_SIN; + case 'n': + if (last) { + return -1; + } + goto IF_MODIFIED_SIN; + default: + return -1; + } + +IF_MODIFIED_SIN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto IF_MODIFIED_SINC; + case 'c': + if (last) { + return -1; + } + goto IF_MODIFIED_SINC; + default: + return -1; + } + +IF_MODIFIED_SINC: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 38; + } + goto IF_MODIFIED_SINCE; + case 'e': + if (last) { + return 38; + } + goto IF_MODIFIED_SINCE; + default: + return -1; + } + +IF_N: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto IF_NO; + case 'o': + if (last) { + return -1; + } + goto IF_NO; + default: + return -1; + } + +IF_NO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto IF_NON; + case 'n': + if (last) { + return -1; + } + goto IF_NON; + default: + return -1; + } + +IF_NON: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto IF_NONE; + case 'e': + if (last) { + return -1; + } + goto IF_NONE; + default: + return -1; + } + +IF_NONE: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto IF_NONE_; + default: + return -1; + } + +IF_NONE_: + NEXT_CHAR(); + switch (ch) { + case 'M': + if (last) { + return -1; + } + goto IF_NONE_M; + case 'm': + if (last) { + return -1; + } + goto IF_NONE_M; + default: + return -1; + } + +IF_NONE_M: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto IF_NONE_MA; + case 'a': + if (last) { + return -1; + } + goto IF_NONE_MA; + default: + return -1; + } + +IF_NONE_MA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto IF_NONE_MAT; + case 't': + if (last) { + return -1; + } + goto IF_NONE_MAT; + default: + return -1; + } + +IF_NONE_MAT: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto IF_NONE_MATC; + case 'c': + if (last) { + return -1; + } + goto IF_NONE_MATC; + default: + return -1; + } + +IF_NONE_MATC: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return 39; + } + goto IF_NONE_MATCH; + case 'h': + if (last) { + return 39; + } + goto IF_NONE_MATCH; + default: + return -1; + } + +IF_R: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto IF_RA; + case 'a': + if (last) { + return -1; + } + goto IF_RA; + default: + return -1; + } + +IF_RA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto IF_RAN; + case 'n': + if (last) { + return -1; + } + goto IF_RAN; + default: + return -1; + } + +IF_RAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto IF_RANG; + case 'g': + if (last) { + return -1; + } + goto IF_RANG; + default: + return -1; + } + +IF_RANG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 40; + } + goto IF_RANGE; + case 'e': + if (last) { + return 40; + } + goto IF_RANGE; + default: + return -1; + } + +IF_U: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto IF_UN; + case 'n': + if (last) { + return -1; + } + goto IF_UN; + default: + return -1; + } + +IF_UN: + NEXT_CHAR(); + switch (ch) { + case 'M': + if (last) { + return -1; + } + goto IF_UNM; + case 'm': + if (last) { + return -1; + } + goto IF_UNM; + default: + return -1; + } + +IF_UNM: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto IF_UNMO; + case 'o': + if (last) { + return -1; + } + goto IF_UNMO; + default: + return -1; + } + +IF_UNMO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto IF_UNMOD; + case 'd': + if (last) { + return -1; + } + goto IF_UNMOD; + default: + return -1; + } + +IF_UNMOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_UNMODI; + case 'i': + if (last) { + return -1; + } + goto IF_UNMODI; + default: + return -1; + } + +IF_UNMODI: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto IF_UNMODIF; + case 'f': + if (last) { + return -1; + } + goto IF_UNMODIF; + default: + return -1; + } + +IF_UNMODIF: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_UNMODIFI; + case 'i': + if (last) { + return -1; + } + goto IF_UNMODIFI; + default: + return -1; + } + +IF_UNMODIFI: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto IF_UNMODIFIE; + case 'e': + if (last) { + return -1; + } + goto IF_UNMODIFIE; + default: + return -1; + } + +IF_UNMODIFIE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto IF_UNMODIFIED; + case 'd': + if (last) { + return -1; + } + goto IF_UNMODIFIED; + default: + return -1; + } + +IF_UNMODIFIED: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto IF_UNMODIFIED_; + default: + return -1; + } + +IF_UNMODIFIED_: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto IF_UNMODIFIED_S; + case 's': + if (last) { + return -1; + } + goto IF_UNMODIFIED_S; + default: + return -1; + } + +IF_UNMODIFIED_S: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SI; + case 'i': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SI; + default: + return -1; + } + +IF_UNMODIFIED_SI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SIN; + case 'n': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SIN; + default: + return -1; + } + +IF_UNMODIFIED_SIN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SINC; + case 'c': + if (last) { + return -1; + } + goto IF_UNMODIFIED_SINC; + default: + return -1; + } + +IF_UNMODIFIED_SINC: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 41; + } + goto IF_UNMODIFIED_SINCE; + case 'e': + if (last) { + return 41; + } + goto IF_UNMODIFIED_SINCE; + default: + return -1; + } + +K: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto KE; + case 'e': + if (last) { + return -1; + } + goto KE; + default: + return -1; + } + +KE: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto KEE; + case 'e': + if (last) { + return -1; + } + goto KEE; + default: + return -1; + } + +KEE: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto KEEP; + case 'p': + if (last) { + return -1; + } + goto KEEP; + default: + return -1; + } + +KEEP: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto KEEP_; + default: + return -1; + } + +KEEP_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto KEEP_A; + case 'a': + if (last) { + return -1; + } + goto KEEP_A; + default: + return -1; + } + +KEEP_A: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto KEEP_AL; + case 'l': + if (last) { + return -1; + } + goto KEEP_AL; + default: + return -1; + } + +KEEP_AL: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto KEEP_ALI; + case 'i': + if (last) { + return -1; + } + goto KEEP_ALI; + default: + return -1; + } + +KEEP_ALI: + NEXT_CHAR(); + switch (ch) { + case 'V': + if (last) { + return -1; + } + goto KEEP_ALIV; + case 'v': + if (last) { + return -1; + } + goto KEEP_ALIV; + default: + return -1; + } + +KEEP_ALIV: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 42; + } + goto KEEP_ALIVE; + case 'e': + if (last) { + return 42; + } + goto KEEP_ALIVE; + default: + return -1; + } + +L: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto LA; + case 'a': + if (last) { + return -1; + } + goto LA; + case 'I': + if (last) { + return -1; + } + goto LI; + case 'i': + if (last) { + return -1; + } + goto LI; + case 'O': + if (last) { + return -1; + } + goto LO; + case 'o': + if (last) { + return -1; + } + goto LO; + default: + return -1; + } + +LA: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto LAS; + case 's': + if (last) { + return -1; + } + goto LAS; + default: + return -1; + } + +LAS: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto LAST; + case 't': + if (last) { + return -1; + } + goto LAST; + default: + return -1; + } + +LAST: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto LAST_; + default: + return -1; + } + +LAST_: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto LAST_E; + case 'e': + if (last) { + return -1; + } + goto LAST_E; + case 'M': + if (last) { + return -1; + } + goto LAST_M; + case 'm': + if (last) { + return -1; + } + goto LAST_M; + default: + return -1; + } + +LAST_E: + NEXT_CHAR(); + switch (ch) { + case 'V': + if (last) { + return -1; + } + goto LAST_EV; + case 'v': + if (last) { + return -1; + } + goto LAST_EV; + default: + return -1; + } + +LAST_EV: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto LAST_EVE; + case 'e': + if (last) { + return -1; + } + goto LAST_EVE; + default: + return -1; + } + +LAST_EVE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto LAST_EVEN; + case 'n': + if (last) { + return -1; + } + goto LAST_EVEN; + default: + return -1; + } + +LAST_EVEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto LAST_EVENT; + case 't': + if (last) { + return -1; + } + goto LAST_EVENT; + default: + return -1; + } + +LAST_EVENT: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto LAST_EVENT_; + default: + return -1; + } + +LAST_EVENT_: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto LAST_EVENT_I; + case 'i': + if (last) { + return -1; + } + goto LAST_EVENT_I; + default: + return -1; + } + +LAST_EVENT_I: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return 43; + } + goto LAST_EVENT_ID; + case 'd': + if (last) { + return 43; + } + goto LAST_EVENT_ID; + default: + return -1; + } + +LAST_M: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto LAST_MO; + case 'o': + if (last) { + return -1; + } + goto LAST_MO; + default: + return -1; + } + +LAST_MO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto LAST_MOD; + case 'd': + if (last) { + return -1; + } + goto LAST_MOD; + default: + return -1; + } + +LAST_MOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto LAST_MODI; + case 'i': + if (last) { + return -1; + } + goto LAST_MODI; + default: + return -1; + } + +LAST_MODI: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto LAST_MODIF; + case 'f': + if (last) { + return -1; + } + goto LAST_MODIF; + default: + return -1; + } + +LAST_MODIF: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto LAST_MODIFI; + case 'i': + if (last) { + return -1; + } + goto LAST_MODIFI; + default: + return -1; + } + +LAST_MODIFI: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto LAST_MODIFIE; + case 'e': + if (last) { + return -1; + } + goto LAST_MODIFIE; + default: + return -1; + } + +LAST_MODIFIE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return 44; + } + goto LAST_MODIFIED; + case 'd': + if (last) { + return 44; + } + goto LAST_MODIFIED; + default: + return -1; + } + +LI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto LIN; + case 'n': + if (last) { + return -1; + } + goto LIN; + default: + return -1; + } + +LIN: + NEXT_CHAR(); + switch (ch) { + case 'K': + if (last) { + return 45; + } + goto LINK; + case 'k': + if (last) { + return 45; + } + goto LINK; + default: + return -1; + } + +LO: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto LOC; + case 'c': + if (last) { + return -1; + } + goto LOC; + default: + return -1; + } + +LOC: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto LOCA; + case 'a': + if (last) { + return -1; + } + goto LOCA; + default: + return -1; + } + +LOCA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto LOCAT; + case 't': + if (last) { + return -1; + } + goto LOCAT; + default: + return -1; + } + +LOCAT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto LOCATI; + case 'i': + if (last) { + return -1; + } + goto LOCATI; + default: + return -1; + } + +LOCATI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto LOCATIO; + case 'o': + if (last) { + return -1; + } + goto LOCATIO; + default: + return -1; + } + +LOCATIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 46; + } + goto LOCATION; + case 'n': + if (last) { + return 46; + } + goto LOCATION; + default: + return -1; + } + +M: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto MA; + case 'a': + if (last) { + return -1; + } + goto MA; + default: + return -1; + } + +MA: + NEXT_CHAR(); + switch (ch) { + case 'X': + if (last) { + return -1; + } + goto MAX; + case 'x': + if (last) { + return -1; + } + goto MAX; + default: + return -1; + } + +MAX: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto MAX_; + default: + return -1; + } + +MAX_: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto MAX_F; + case 'f': + if (last) { + return -1; + } + goto MAX_F; + default: + return -1; + } + +MAX_F: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto MAX_FO; + case 'o': + if (last) { + return -1; + } + goto MAX_FO; + default: + return -1; + } + +MAX_FO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto MAX_FOR; + case 'r': + if (last) { + return -1; + } + goto MAX_FOR; + default: + return -1; + } + +MAX_FOR: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto MAX_FORW; + case 'w': + if (last) { + return -1; + } + goto MAX_FORW; + default: + return -1; + } + +MAX_FORW: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto MAX_FORWA; + case 'a': + if (last) { + return -1; + } + goto MAX_FORWA; + default: + return -1; + } + +MAX_FORWA: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto MAX_FORWAR; + case 'r': + if (last) { + return -1; + } + goto MAX_FORWAR; + default: + return -1; + } + +MAX_FORWAR: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto MAX_FORWARD; + case 'd': + if (last) { + return -1; + } + goto MAX_FORWARD; + default: + return -1; + } + +MAX_FORWARD: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 47; + } + goto MAX_FORWARDS; + case 's': + if (last) { + return 47; + } + goto MAX_FORWARDS; + default: + return -1; + } + +O: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto OR; + case 'r': + if (last) { + return -1; + } + goto OR; + default: + return -1; + } + +OR: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ORI; + case 'i': + if (last) { + return -1; + } + goto ORI; + default: + return -1; + } + +ORI: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto ORIG; + case 'g': + if (last) { + return -1; + } + goto ORIG; + default: + return -1; + } + +ORIG: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto ORIGI; + case 'i': + if (last) { + return -1; + } + goto ORIGI; + default: + return -1; + } + +ORIGI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 48; + } + goto ORIGIN; + case 'n': + if (last) { + return 48; + } + goto ORIGIN; + default: + return -1; + } + +P: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto PR; + case 'r': + if (last) { + return -1; + } + goto PR; + default: + return -1; + } + +PR: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto PRA; + case 'a': + if (last) { + return -1; + } + goto PRA; + case 'O': + if (last) { + return -1; + } + goto PRO; + case 'o': + if (last) { + return -1; + } + goto PRO; + default: + return -1; + } + +PRA: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto PRAG; + case 'g': + if (last) { + return -1; + } + goto PRAG; + default: + return -1; + } + +PRAG: + NEXT_CHAR(); + switch (ch) { + case 'M': + if (last) { + return -1; + } + goto PRAGM; + case 'm': + if (last) { + return -1; + } + goto PRAGM; + default: + return -1; + } + +PRAGM: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return 49; + } + goto PRAGMA; + case 'a': + if (last) { + return 49; + } + goto PRAGMA; + default: + return -1; + } + +PRO: + NEXT_CHAR(); + switch (ch) { + case 'X': + if (last) { + return -1; + } + goto PROX; + case 'x': + if (last) { + return -1; + } + goto PROX; + default: + return -1; + } + +PROX: + NEXT_CHAR(); + switch (ch) { + case 'Y': + if (last) { + return -1; + } + goto PROXY; + case 'y': + if (last) { + return -1; + } + goto PROXY; + default: + return -1; + } + +PROXY: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto PROXY_; + default: + return -1; + } + +PROXY_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto PROXY_A; + case 'a': + if (last) { + return -1; + } + goto PROXY_A; + default: + return -1; + } + +PROXY_A: + NEXT_CHAR(); + switch (ch) { + case 'U': + if (last) { + return -1; + } + goto PROXY_AU; + case 'u': + if (last) { + return -1; + } + goto PROXY_AU; + default: + return -1; + } + +PROXY_AU: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto PROXY_AUT; + case 't': + if (last) { + return -1; + } + goto PROXY_AUT; + default: + return -1; + } + +PROXY_AUT: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto PROXY_AUTH; + case 'h': + if (last) { + return -1; + } + goto PROXY_AUTH; + default: + return -1; + } + +PROXY_AUTH: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto PROXY_AUTHE; + case 'e': + if (last) { + return -1; + } + goto PROXY_AUTHE; + case 'O': + if (last) { + return -1; + } + goto PROXY_AUTHO; + case 'o': + if (last) { + return -1; + } + goto PROXY_AUTHO; + default: + return -1; + } + +PROXY_AUTHE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto PROXY_AUTHEN; + case 'n': + if (last) { + return -1; + } + goto PROXY_AUTHEN; + default: + return -1; + } + +PROXY_AUTHEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto PROXY_AUTHENT; + case 't': + if (last) { + return -1; + } + goto PROXY_AUTHENT; + default: + return -1; + } + +PROXY_AUTHENT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto PROXY_AUTHENTI; + case 'i': + if (last) { + return -1; + } + goto PROXY_AUTHENTI; + default: + return -1; + } + +PROXY_AUTHENTI: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto PROXY_AUTHENTIC; + case 'c': + if (last) { + return -1; + } + goto PROXY_AUTHENTIC; + default: + return -1; + } + +PROXY_AUTHENTIC: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto PROXY_AUTHENTICA; + case 'a': + if (last) { + return -1; + } + goto PROXY_AUTHENTICA; + default: + return -1; + } + +PROXY_AUTHENTICA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto PROXY_AUTHENTICAT; + case 't': + if (last) { + return -1; + } + goto PROXY_AUTHENTICAT; + default: + return -1; + } + +PROXY_AUTHENTICAT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 50; + } + goto PROXY_AUTHENTICATE; + case 'e': + if (last) { + return 50; + } + goto PROXY_AUTHENTICATE; + default: + return -1; + } + +PROXY_AUTHO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto PROXY_AUTHOR; + case 'r': + if (last) { + return -1; + } + goto PROXY_AUTHOR; + default: + return -1; + } + +PROXY_AUTHOR: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto PROXY_AUTHORI; + case 'i': + if (last) { + return -1; + } + goto PROXY_AUTHORI; + default: + return -1; + } + +PROXY_AUTHORI: + NEXT_CHAR(); + switch (ch) { + case 'Z': + if (last) { + return -1; + } + goto PROXY_AUTHORIZ; + case 'z': + if (last) { + return -1; + } + goto PROXY_AUTHORIZ; + default: + return -1; + } + +PROXY_AUTHORIZ: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto PROXY_AUTHORIZA; + case 'a': + if (last) { + return -1; + } + goto PROXY_AUTHORIZA; + default: + return -1; + } + +PROXY_AUTHORIZA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto PROXY_AUTHORIZAT; + case 't': + if (last) { + return -1; + } + goto PROXY_AUTHORIZAT; + default: + return -1; + } + +PROXY_AUTHORIZAT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto PROXY_AUTHORIZATI; + case 'i': + if (last) { + return -1; + } + goto PROXY_AUTHORIZATI; + default: + return -1; + } + +PROXY_AUTHORIZATI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto PROXY_AUTHORIZATIO; + case 'o': + if (last) { + return -1; + } + goto PROXY_AUTHORIZATIO; + default: + return -1; + } + +PROXY_AUTHORIZATIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 51; + } + goto PROXY_AUTHORIZATION; + case 'n': + if (last) { + return 51; + } + goto PROXY_AUTHORIZATION; + default: + return -1; + } + +R: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto RA; + case 'a': + if (last) { + return -1; + } + goto RA; + case 'E': + if (last) { + return -1; + } + goto RE; + case 'e': + if (last) { + return -1; + } + goto RE; + default: + return -1; + } + +RA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto RAN; + case 'n': + if (last) { + return -1; + } + goto RAN; + default: + return -1; + } + +RAN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto RANG; + case 'g': + if (last) { + return -1; + } + goto RANG; + default: + return -1; + } + +RANG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 52; + } + goto RANGE; + case 'e': + if (last) { + return 52; + } + goto RANGE; + default: + return -1; + } + +RE: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto REF; + case 'f': + if (last) { + return -1; + } + goto REF; + case 'T': + if (last) { + return -1; + } + goto RET; + case 't': + if (last) { + return -1; + } + goto RET; + default: + return -1; + } + +REF: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto REFE; + case 'e': + if (last) { + return -1; + } + goto REFE; + default: + return -1; + } + +REFE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto REFER; + case 'r': + if (last) { + return -1; + } + goto REFER; + default: + return -1; + } + +REFER: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto REFERE; + case 'e': + if (last) { + return -1; + } + goto REFERE; + default: + return -1; + } + +REFERE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return 53; + } + goto REFERER; + case 'r': + if (last) { + return 53; + } + goto REFERER; + default: + return -1; + } + +RET: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto RETR; + case 'r': + if (last) { + return -1; + } + goto RETR; + default: + return -1; + } + +RETR: + NEXT_CHAR(); + switch (ch) { + case 'Y': + if (last) { + return -1; + } + goto RETRY; + case 'y': + if (last) { + return -1; + } + goto RETRY; + default: + return -1; + } + +RETRY: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto RETRY_; + default: + return -1; + } + +RETRY_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto RETRY_A; + case 'a': + if (last) { + return -1; + } + goto RETRY_A; + default: + return -1; + } + +RETRY_A: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto RETRY_AF; + case 'f': + if (last) { + return -1; + } + goto RETRY_AF; + default: + return -1; + } + +RETRY_AF: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto RETRY_AFT; + case 't': + if (last) { + return -1; + } + goto RETRY_AFT; + default: + return -1; + } + +RETRY_AFT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto RETRY_AFTE; + case 'e': + if (last) { + return -1; + } + goto RETRY_AFTE; + default: + return -1; + } + +RETRY_AFTE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return 54; + } + goto RETRY_AFTER; + case 'r': + if (last) { + return 54; + } + goto RETRY_AFTER; + default: + return -1; + } + +S: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SE; + case 'e': + if (last) { + return -1; + } + goto SE; + default: + return -1; + } + +SE: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SEC; + case 'c': + if (last) { + return -1; + } + goto SEC; + case 'R': + if (last) { + return -1; + } + goto SER; + case 'r': + if (last) { + return -1; + } + goto SER; + case 'T': + if (last) { + return -1; + } + goto SET; + case 't': + if (last) { + return -1; + } + goto SET; + default: + return -1; + } + +SEC: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto SEC_; + default: + return -1; + } + +SEC_: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto SEC_W; + case 'w': + if (last) { + return -1; + } + goto SEC_W; + default: + return -1; + } + +SEC_W: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WE; + case 'e': + if (last) { + return -1; + } + goto SEC_WE; + default: + return -1; + } + +SEC_WE: + NEXT_CHAR(); + switch (ch) { + case 'B': + if (last) { + return -1; + } + goto SEC_WEB; + case 'b': + if (last) { + return -1; + } + goto SEC_WEB; + default: + return -1; + } + +SEC_WEB: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto SEC_WEBS; + case 's': + if (last) { + return -1; + } + goto SEC_WEBS; + default: + return -1; + } + +SEC_WEBS: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSO; + default: + return -1; + } + +SEC_WEBSO: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SEC_WEBSOC; + case 'c': + if (last) { + return -1; + } + goto SEC_WEBSOC; + default: + return -1; + } + +SEC_WEBSOC: + NEXT_CHAR(); + switch (ch) { + case 'K': + if (last) { + return -1; + } + goto SEC_WEBSOCK; + case 'k': + if (last) { + return -1; + } + goto SEC_WEBSOCK; + default: + return -1; + } + +SEC_WEBSOCK: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKE; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKE; + default: + return -1; + } + +SEC_WEBSOCKE: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto SEC_WEBSOCKET; + case 't': + if (last) { + return -1; + } + goto SEC_WEBSOCKET; + default: + return -1; + } + +SEC_WEBSOCKET: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_; + default: + return -1; + } + +SEC_WEBSOCKET_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_A; + case 'a': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_A; + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_E; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_E; + case 'K': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_K; + case 'k': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_K; + case 'P': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_P; + case 'p': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_P; + case 'V': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_V; + case 'v': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_V; + default: + return -1; + } + +SEC_WEBSOCKET_A: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_AC; + case 'c': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_AC; + default: + return -1; + } + +SEC_WEBSOCKET_AC: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACC; + case 'c': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACC; + default: + return -1; + } + +SEC_WEBSOCKET_ACC: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACCE; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACCE; + default: + return -1; + } + +SEC_WEBSOCKET_ACCE: + NEXT_CHAR(); + switch (ch) { + case 'P': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACCEP; + case 'p': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_ACCEP; + default: + return -1; + } + +SEC_WEBSOCKET_ACCEP: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 55; + } + goto SEC_WEBSOCKET_ACCEPT; + case 't': + if (last) { + return 55; + } + goto SEC_WEBSOCKET_ACCEPT; + default: + return -1; + } + +SEC_WEBSOCKET_E: + NEXT_CHAR(); + switch (ch) { + case 'X': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EX; + case 'x': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EX; + default: + return -1; + } + +SEC_WEBSOCKET_EX: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXT; + case 't': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXT; + default: + return -1; + } + +SEC_WEBSOCKET_EXT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTE; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTE; + default: + return -1; + } + +SEC_WEBSOCKET_EXTE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTEN; + case 'n': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTEN; + default: + return -1; + } + +SEC_WEBSOCKET_EXTEN: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENS; + case 's': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENS; + default: + return -1; + } + +SEC_WEBSOCKET_EXTENS: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSI; + case 'i': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSI; + default: + return -1; + } + +SEC_WEBSOCKET_EXTENSI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSIO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSIO; + default: + return -1; + } + +SEC_WEBSOCKET_EXTENSIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSION; + case 'n': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_EXTENSION; + default: + return -1; + } + +SEC_WEBSOCKET_EXTENSION: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return 56; + } + goto SEC_WEBSOCKET_EXTENSIONS; + case 's': + if (last) { + return 56; + } + goto SEC_WEBSOCKET_EXTENSIONS; + default: + return -1; + } + +SEC_WEBSOCKET_K: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_KE; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_KE; + default: + return -1; + } + +SEC_WEBSOCKET_KE: + NEXT_CHAR(); + switch (ch) { + case 'Y': + if (last) { + return 57; + } + goto SEC_WEBSOCKET_KEY; + case 'y': + if (last) { + return 57; + } + goto SEC_WEBSOCKET_KEY; + default: + return -1; + } + +SEC_WEBSOCKET_KEY: + NEXT_CHAR(); + switch (ch) { + case '1': + if (last) { + return 58; + } + goto SEC_WEBSOCKET_KEY1; + default: + return -1; + } + +SEC_WEBSOCKET_P: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PR; + case 'r': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PR; + default: + return -1; + } + +SEC_WEBSOCKET_PR: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PRO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PRO; + default: + return -1; + } + +SEC_WEBSOCKET_PRO: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROT; + case 't': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROT; + default: + return -1; + } + +SEC_WEBSOCKET_PROT: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTO; + default: + return -1; + } + +SEC_WEBSOCKET_PROTO: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTOC; + case 'c': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTOC; + default: + return -1; + } + +SEC_WEBSOCKET_PROTOC: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTOCO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_PROTOCO; + default: + return -1; + } + +SEC_WEBSOCKET_PROTOCO: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return 59; + } + goto SEC_WEBSOCKET_PROTOCOL; + case 'l': + if (last) { + return 59; + } + goto SEC_WEBSOCKET_PROTOCOL; + default: + return -1; + } + +SEC_WEBSOCKET_V: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VE; + case 'e': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VE; + default: + return -1; + } + +SEC_WEBSOCKET_VE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VER; + case 'r': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VER; + default: + return -1; + } + +SEC_WEBSOCKET_VER: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERS; + case 's': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERS; + default: + return -1; + } + +SEC_WEBSOCKET_VERS: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERSI; + case 'i': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERSI; + default: + return -1; + } + +SEC_WEBSOCKET_VERSI: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERSIO; + case 'o': + if (last) { + return -1; + } + goto SEC_WEBSOCKET_VERSIO; + default: + return -1; + } + +SEC_WEBSOCKET_VERSIO: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return 60; + } + goto SEC_WEBSOCKET_VERSION; + case 'n': + if (last) { + return 60; + } + goto SEC_WEBSOCKET_VERSION; + default: + return -1; + } + +SER: + NEXT_CHAR(); + switch (ch) { + case 'V': + if (last) { + return -1; + } + goto SERV; + case 'v': + if (last) { + return -1; + } + goto SERV; + default: + return -1; + } + +SERV: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto SERVE; + case 'e': + if (last) { + return -1; + } + goto SERVE; + default: + return -1; + } + +SERVE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return 61; + } + goto SERVER; + case 'r': + if (last) { + return 61; + } + goto SERVER; + default: + return -1; + } + +SET: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto SET_; + default: + return -1; + } + +SET_: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto SET_C; + case 'c': + if (last) { + return -1; + } + goto SET_C; + default: + return -1; + } + +SET_C: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SET_CO; + case 'o': + if (last) { + return -1; + } + goto SET_CO; + default: + return -1; + } + +SET_CO: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto SET_COO; + case 'o': + if (last) { + return -1; + } + goto SET_COO; + default: + return -1; + } + +SET_COO: + NEXT_CHAR(); + switch (ch) { + case 'K': + if (last) { + return -1; + } + goto SET_COOK; + case 'k': + if (last) { + return -1; + } + goto SET_COOK; + default: + return -1; + } + +SET_COOK: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto SET_COOKI; + case 'i': + if (last) { + return -1; + } + goto SET_COOKI; + default: + return -1; + } + +SET_COOKI: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 62; + } + goto SET_COOKIE; + case 'e': + if (last) { + return 62; + } + goto SET_COOKIE; + default: + return -1; + } + +T: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 63; + } + goto TE; + case 'e': + if (last) { + return 63; + } + goto TE; + case 'R': + if (last) { + return -1; + } + goto TR; + case 'r': + if (last) { + return -1; + } + goto TR; + default: + return -1; + } + +TR: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto TRA; + case 'a': + if (last) { + return -1; + } + goto TRA; + default: + return -1; + } + +TRA: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto TRAI; + case 'i': + if (last) { + return -1; + } + goto TRAI; + case 'N': + if (last) { + return -1; + } + goto TRAN; + case 'n': + if (last) { + return -1; + } + goto TRAN; + default: + return -1; + } + +TRAI: + NEXT_CHAR(); + switch (ch) { + case 'L': + if (last) { + return -1; + } + goto TRAIL; + case 'l': + if (last) { + return -1; + } + goto TRAIL; + default: + return -1; + } + +TRAIL: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto TRAILE; + case 'e': + if (last) { + return -1; + } + goto TRAILE; + default: + return -1; + } + +TRAILE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return 64; + } + goto TRAILER; + case 'r': + if (last) { + return 64; + } + goto TRAILER; + default: + return -1; + } + +TRAN: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto TRANS; + case 's': + if (last) { + return -1; + } + goto TRANS; + default: + return -1; + } + +TRANS: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto TRANSF; + case 'f': + if (last) { + return -1; + } + goto TRANSF; + default: + return -1; + } + +TRANSF: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto TRANSFE; + case 'e': + if (last) { + return -1; + } + goto TRANSFE; + default: + return -1; + } + +TRANSFE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto TRANSFER; + case 'r': + if (last) { + return -1; + } + goto TRANSFER; + default: + return -1; + } + +TRANSFER: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto TRANSFER_; + default: + return -1; + } + +TRANSFER_: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto TRANSFER_E; + case 'e': + if (last) { + return -1; + } + goto TRANSFER_E; + default: + return -1; + } + +TRANSFER_E: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto TRANSFER_EN; + case 'n': + if (last) { + return -1; + } + goto TRANSFER_EN; + default: + return -1; + } + +TRANSFER_EN: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto TRANSFER_ENC; + case 'c': + if (last) { + return -1; + } + goto TRANSFER_ENC; + default: + return -1; + } + +TRANSFER_ENC: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto TRANSFER_ENCO; + case 'o': + if (last) { + return -1; + } + goto TRANSFER_ENCO; + default: + return -1; + } + +TRANSFER_ENCO: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto TRANSFER_ENCOD; + case 'd': + if (last) { + return -1; + } + goto TRANSFER_ENCOD; + default: + return -1; + } + +TRANSFER_ENCOD: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto TRANSFER_ENCODI; + case 'i': + if (last) { + return -1; + } + goto TRANSFER_ENCODI; + default: + return -1; + } + +TRANSFER_ENCODI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto TRANSFER_ENCODIN; + case 'n': + if (last) { + return -1; + } + goto TRANSFER_ENCODIN; + default: + return -1; + } + +TRANSFER_ENCODIN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 65; + } + goto TRANSFER_ENCODING; + case 'g': + if (last) { + return 65; + } + goto TRANSFER_ENCODING; + default: + return -1; + } + +U: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto UR; + case 'r': + if (last) { + return -1; + } + goto UR; + case 'P': + if (last) { + return -1; + } + goto UP; + case 'p': + if (last) { + return -1; + } + goto UP; + case 'S': + if (last) { + return -1; + } + goto US; + case 's': + if (last) { + return -1; + } + goto US; + default: + return -1; + } + +UR: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return 66; + } + goto URI; + case 'i': + if (last) { + return 66; + } + goto URI; + default: + return -1; + } + +UP: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto UPG; + case 'g': + if (last) { + return -1; + } + goto UPG; + default: + return -1; + } + +UPG: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto UPGR; + case 'r': + if (last) { + return -1; + } + goto UPGR; + default: + return -1; + } + +UPGR: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto UPGRA; + case 'a': + if (last) { + return -1; + } + goto UPGRA; + default: + return -1; + } + +UPGRA: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto UPGRAD; + case 'd': + if (last) { + return -1; + } + goto UPGRAD; + default: + return -1; + } + +UPGRAD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 67; + } + goto UPGRADE; + case 'e': + if (last) { + return 67; + } + goto UPGRADE; + default: + return -1; + } + +US: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto USE; + case 'e': + if (last) { + return -1; + } + goto USE; + default: + return -1; + } + +USE: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto USER; + case 'r': + if (last) { + return -1; + } + goto USER; + default: + return -1; + } + +USER: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto USER_; + default: + return -1; + } + +USER_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto USER_A; + case 'a': + if (last) { + return -1; + } + goto USER_A; + default: + return -1; + } + +USER_A: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto USER_AG; + case 'g': + if (last) { + return -1; + } + goto USER_AG; + default: + return -1; + } + +USER_AG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto USER_AGE; + case 'e': + if (last) { + return -1; + } + goto USER_AGE; + default: + return -1; + } + +USER_AGE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto USER_AGEN; + case 'n': + if (last) { + return -1; + } + goto USER_AGEN; + default: + return -1; + } + +USER_AGEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 68; + } + goto USER_AGENT; + case 't': + if (last) { + return 68; + } + goto USER_AGENT; + default: + return -1; + } + +V: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto VA; + case 'a': + if (last) { + return -1; + } + goto VA; + case 'I': + if (last) { + return -1; + } + goto VI; + case 'i': + if (last) { + return -1; + } + goto VI; + default: + return -1; + } + +VA: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto VAR; + case 'r': + if (last) { + return -1; + } + goto VAR; + default: + return -1; + } + +VAR: + NEXT_CHAR(); + switch (ch) { + case 'Y': + if (last) { + return 69; + } + goto VARY; + case 'y': + if (last) { + return 69; + } + goto VARY; + default: + return -1; + } + +VI: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return 70; + } + goto VIA; + case 'a': + if (last) { + return 70; + } + goto VIA; + default: + return -1; + } + +W: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto WW; + case 'w': + if (last) { + return -1; + } + goto WW; + case 'A': + if (last) { + return -1; + } + goto WA; + case 'a': + if (last) { + return -1; + } + goto WA; + default: + return -1; + } + +WW: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto WWW; + case 'w': + if (last) { + return -1; + } + goto WWW; + default: + return -1; + } + +WWW: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto WWW_; + default: + return -1; + } + +WWW_: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto WWW_A; + case 'a': + if (last) { + return -1; + } + goto WWW_A; + default: + return -1; + } + +WWW_A: + NEXT_CHAR(); + switch (ch) { + case 'U': + if (last) { + return -1; + } + goto WWW_AU; + case 'u': + if (last) { + return -1; + } + goto WWW_AU; + default: + return -1; + } + +WWW_AU: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto WWW_AUT; + case 't': + if (last) { + return -1; + } + goto WWW_AUT; + default: + return -1; + } + +WWW_AUT: + NEXT_CHAR(); + switch (ch) { + case 'H': + if (last) { + return -1; + } + goto WWW_AUTH; + case 'h': + if (last) { + return -1; + } + goto WWW_AUTH; + default: + return -1; + } + +WWW_AUTH: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto WWW_AUTHE; + case 'e': + if (last) { + return -1; + } + goto WWW_AUTHE; + default: + return -1; + } + +WWW_AUTHE: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto WWW_AUTHEN; + case 'n': + if (last) { + return -1; + } + goto WWW_AUTHEN; + default: + return -1; + } + +WWW_AUTHEN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto WWW_AUTHENT; + case 't': + if (last) { + return -1; + } + goto WWW_AUTHENT; + default: + return -1; + } + +WWW_AUTHENT: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto WWW_AUTHENTI; + case 'i': + if (last) { + return -1; + } + goto WWW_AUTHENTI; + default: + return -1; + } + +WWW_AUTHENTI: + NEXT_CHAR(); + switch (ch) { + case 'C': + if (last) { + return -1; + } + goto WWW_AUTHENTIC; + case 'c': + if (last) { + return -1; + } + goto WWW_AUTHENTIC; + default: + return -1; + } + +WWW_AUTHENTIC: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto WWW_AUTHENTICA; + case 'a': + if (last) { + return -1; + } + goto WWW_AUTHENTICA; + default: + return -1; + } + +WWW_AUTHENTICA: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto WWW_AUTHENTICAT; + case 't': + if (last) { + return -1; + } + goto WWW_AUTHENTICAT; + default: + return -1; + } + +WWW_AUTHENTICAT: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return 71; + } + goto WWW_AUTHENTICATE; + case 'e': + if (last) { + return 71; + } + goto WWW_AUTHENTICATE; + default: + return -1; + } + +WA: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto WAN; + case 'n': + if (last) { + return -1; + } + goto WAN; + case 'R': + if (last) { + return -1; + } + goto WAR; + case 'r': + if (last) { + return -1; + } + goto WAR; + default: + return -1; + } + +WAN: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto WANT; + case 't': + if (last) { + return -1; + } + goto WANT; + default: + return -1; + } + +WANT: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto WANT_; + default: + return -1; + } + +WANT_: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto WANT_D; + case 'd': + if (last) { + return -1; + } + goto WANT_D; + default: + return -1; + } + +WANT_D: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto WANT_DI; + case 'i': + if (last) { + return -1; + } + goto WANT_DI; + default: + return -1; + } + +WANT_DI: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return -1; + } + goto WANT_DIG; + case 'g': + if (last) { + return -1; + } + goto WANT_DIG; + default: + return -1; + } + +WANT_DIG: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto WANT_DIGE; + case 'e': + if (last) { + return -1; + } + goto WANT_DIGE; + default: + return -1; + } + +WANT_DIGE: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto WANT_DIGES; + case 's': + if (last) { + return -1; + } + goto WANT_DIGES; + default: + return -1; + } + +WANT_DIGES: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 72; + } + goto WANT_DIGEST; + case 't': + if (last) { + return 72; + } + goto WANT_DIGEST; + default: + return -1; + } + +WAR: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto WARN; + case 'n': + if (last) { + return -1; + } + goto WARN; + default: + return -1; + } + +WARN: + NEXT_CHAR(); + switch (ch) { + case 'I': + if (last) { + return -1; + } + goto WARNI; + case 'i': + if (last) { + return -1; + } + goto WARNI; + default: + return -1; + } + +WARNI: + NEXT_CHAR(); + switch (ch) { + case 'N': + if (last) { + return -1; + } + goto WARNIN; + case 'n': + if (last) { + return -1; + } + goto WARNIN; + default: + return -1; + } + +WARNIN: + NEXT_CHAR(); + switch (ch) { + case 'G': + if (last) { + return 73; + } + goto WARNING; + case 'g': + if (last) { + return 73; + } + goto WARNING; + default: + return -1; + } + +X: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto X_; + default: + return -1; + } + +X_: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto X_F; + case 'f': + if (last) { + return -1; + } + goto X_F; + default: + return -1; + } + +X_F: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto X_FO; + case 'o': + if (last) { + return -1; + } + goto X_FO; + default: + return -1; + } + +X_FO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto X_FOR; + case 'r': + if (last) { + return -1; + } + goto X_FOR; + default: + return -1; + } + +X_FOR: + NEXT_CHAR(); + switch (ch) { + case 'W': + if (last) { + return -1; + } + goto X_FORW; + case 'w': + if (last) { + return -1; + } + goto X_FORW; + default: + return -1; + } + +X_FORW: + NEXT_CHAR(); + switch (ch) { + case 'A': + if (last) { + return -1; + } + goto X_FORWA; + case 'a': + if (last) { + return -1; + } + goto X_FORWA; + default: + return -1; + } + +X_FORWA: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto X_FORWAR; + case 'r': + if (last) { + return -1; + } + goto X_FORWAR; + default: + return -1; + } + +X_FORWAR: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto X_FORWARD; + case 'd': + if (last) { + return -1; + } + goto X_FORWARD; + default: + return -1; + } + +X_FORWARD: + NEXT_CHAR(); + switch (ch) { + case 'E': + if (last) { + return -1; + } + goto X_FORWARDE; + case 'e': + if (last) { + return -1; + } + goto X_FORWARDE; + default: + return -1; + } + +X_FORWARDE: + NEXT_CHAR(); + switch (ch) { + case 'D': + if (last) { + return -1; + } + goto X_FORWARDED; + case 'd': + if (last) { + return -1; + } + goto X_FORWARDED; + default: + return -1; + } + +X_FORWARDED: + NEXT_CHAR(); + switch (ch) { + case '-': + if (last) { + return -1; + } + goto X_FORWARDED_; + default: + return -1; + } + +X_FORWARDED_: + NEXT_CHAR(); + switch (ch) { + case 'F': + if (last) { + return -1; + } + goto X_FORWARDED_F; + case 'f': + if (last) { + return -1; + } + goto X_FORWARDED_F; + case 'H': + if (last) { + return -1; + } + goto X_FORWARDED_H; + case 'h': + if (last) { + return -1; + } + goto X_FORWARDED_H; + case 'P': + if (last) { + return -1; + } + goto X_FORWARDED_P; + case 'p': + if (last) { + return -1; + } + goto X_FORWARDED_P; + default: + return -1; + } + +X_FORWARDED_F: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto X_FORWARDED_FO; + case 'o': + if (last) { + return -1; + } + goto X_FORWARDED_FO; + default: + return -1; + } + +X_FORWARDED_FO: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return 74; + } + goto X_FORWARDED_FOR; + case 'r': + if (last) { + return 74; + } + goto X_FORWARDED_FOR; + default: + return -1; + } + +X_FORWARDED_H: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto X_FORWARDED_HO; + case 'o': + if (last) { + return -1; + } + goto X_FORWARDED_HO; + default: + return -1; + } + +X_FORWARDED_HO: + NEXT_CHAR(); + switch (ch) { + case 'S': + if (last) { + return -1; + } + goto X_FORWARDED_HOS; + case 's': + if (last) { + return -1; + } + goto X_FORWARDED_HOS; + default: + return -1; + } + +X_FORWARDED_HOS: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return 75; + } + goto X_FORWARDED_HOST; + case 't': + if (last) { + return 75; + } + goto X_FORWARDED_HOST; + default: + return -1; + } + +X_FORWARDED_P: + NEXT_CHAR(); + switch (ch) { + case 'R': + if (last) { + return -1; + } + goto X_FORWARDED_PR; + case 'r': + if (last) { + return -1; + } + goto X_FORWARDED_PR; + default: + return -1; + } + +X_FORWARDED_PR: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return -1; + } + goto X_FORWARDED_PRO; + case 'o': + if (last) { + return -1; + } + goto X_FORWARDED_PRO; + default: + return -1; + } + +X_FORWARDED_PRO: + NEXT_CHAR(); + switch (ch) { + case 'T': + if (last) { + return -1; + } + goto X_FORWARDED_PROT; + case 't': + if (last) { + return -1; + } + goto X_FORWARDED_PROT; + default: + return -1; + } + +X_FORWARDED_PROT: + NEXT_CHAR(); + switch (ch) { + case 'O': + if (last) { + return 76; + } + goto X_FORWARDED_PROTO; + case 'o': + if (last) { + return 76; + } + goto X_FORWARDED_PROTO; + default: + return -1; + } + +ACCEPT_CHARSET: +ACCEPT_ENCODING: +ACCEPT_LANGUAGE: +ACCEPT_RANGES: +ACCESS_CONTROL_ALLOW_CREDENTIALS: +ACCESS_CONTROL_ALLOW_HEADERS: +ACCESS_CONTROL_ALLOW_METHODS: +ACCESS_CONTROL_ALLOW_ORIGIN: +ACCESS_CONTROL_EXPOSE_HEADERS: +ACCESS_CONTROL_MAX_AGE: +ACCESS_CONTROL_REQUEST_HEADERS: +ACCESS_CONTROL_REQUEST_METHOD: +AGE: +ALLOW: +AUTHORIZATION: +CACHE_CONTROL: +CONNECTION: +CONTENT_DISPOSITION: +CONTENT_ENCODING: +CONTENT_LANGUAGE: +CONTENT_LENGTH: +CONTENT_LOCATION: +CONTENT_MD5: +CONTENT_RANGE: +CONTENT_TRANSFER_ENCODING: +CONTENT_TYPE: +COOKIE: +DATE: +DESTINATION: +DIGEST: +ETAG: +EXPECT: +EXPIRES: +FORWARDED: +FROM: +HOST: +IF_MATCH: +IF_MODIFIED_SINCE: +IF_NONE_MATCH: +IF_RANGE: +IF_UNMODIFIED_SINCE: +KEEP_ALIVE: +LAST_EVENT_ID: +LAST_MODIFIED: +LINK: +LOCATION: +MAX_FORWARDS: +ORIGIN: +PRAGMA: +PROXY_AUTHENTICATE: +PROXY_AUTHORIZATION: +RANGE: +REFERER: +RETRY_AFTER: +SEC_WEBSOCKET_ACCEPT: +SEC_WEBSOCKET_EXTENSIONS: +SEC_WEBSOCKET_KEY1: +SEC_WEBSOCKET_PROTOCOL: +SEC_WEBSOCKET_VERSION: +SERVER: +SET_COOKIE: +TE: +TRAILER: +TRANSFER_ENCODING: +UPGRADE: +URI: +USER_AGENT: +VARY: +VIA: +WANT_DIGEST: +WARNING: +WWW_AUTHENTICATE: +X_FORWARDED_FOR: +X_FORWARDED_HOST: +X_FORWARDED_PROTO: +missing: + /* nothing found */ + return -1; +} diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.h b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.h new file mode 100644 index 0000000..99b7b4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.h @@ -0,0 +1,14 @@ +#ifndef _FIND_HEADERS_H +#define _FIND_HEADERS_H + +#ifdef __cplusplus +extern "C" { +#endif + +int find_header(const char *str, int size); + + +#ifdef __cplusplus +} +#endif +#endif diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.pxd b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.pxd new file mode 100644 index 0000000..37a6c37 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_find_header.pxd @@ -0,0 +1,2 @@ +cdef extern from "_find_header.h": + int find_header(char *, int) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.c new file mode 100644 index 0000000..4a9d382 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.c @@ -0,0 +1,7512 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__aiohttp___frozenlist +#define __PYX_HAVE_API__aiohttp___frozenlist +/* Early includes */ +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "aiohttp/_frozenlist.pyx", + "stringsource", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList; + +/* "aiohttp/_frozenlist.pyx":4 + * + * + * cdef class FrozenList: # <<<<<<<<<<<<<< + * + * cdef readonly bint frozen + */ +struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList { + PyObject_HEAD + struct __pyx_vtabstruct_7aiohttp_11_frozenlist_FrozenList *__pyx_vtab; + int frozen; + PyObject *_items; +}; + + + +struct __pyx_vtabstruct_7aiohttp_11_frozenlist_FrozenList { + PyObject *(*_check_frozen)(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *); + PyObject *(*_fast_len)(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *); +}; +static struct __pyx_vtabstruct_7aiohttp_11_frozenlist_FrozenList *__pyx_vtabptr_7aiohttp_11_frozenlist_FrozenList; +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_11_frozenlist_10FrozenList__fast_len(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *); + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; +#ifdef WITH_THREAD + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + if (acquire_gil) {\ + PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + PyGILState_Release(__pyx_gilstate_save);\ + } else {\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + } +#else + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) +#endif + #define __Pyx_RefNannyFinishContext()\ + __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* ObjectGetItem.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key); +#else +#define __Pyx_PyObject_GetItem(obj, key) PyObject_GetItem(obj, key) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallNoArg.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); +#else +#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) +#endif + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* PyIntCompare.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, long intval, long inplace); + +/* PySequenceContains.proto */ +static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) { + int result = PySequence_Contains(seq, item); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* PyObjectGetMethod.proto */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method); + +/* PyObjectCallMethod1.proto */ +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg); + +/* pop_index.proto */ +static PyObject* __Pyx__PyObject_PopNewIndex(PyObject* L, PyObject* py_ix); +static PyObject* __Pyx__PyObject_PopIndex(PyObject* L, PyObject* py_ix); +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static PyObject* __Pyx__PyList_PopIndex(PyObject* L, PyObject* py_ix, Py_ssize_t ix); +#define __Pyx_PyObject_PopIndex(L, py_ix, ix, is_signed, type, to_py_func) (\ + (likely(PyList_CheckExact(L) && __Pyx_fits_Py_ssize_t(ix, type, is_signed))) ?\ + __Pyx__PyList_PopIndex(L, py_ix, ix) : (\ + (unlikely((py_ix) == Py_None)) ? __Pyx__PyObject_PopNewIndex(L, to_py_func(ix)) :\ + __Pyx__PyObject_PopIndex(L, py_ix))) +#define __Pyx_PyList_PopIndex(L, py_ix, ix, is_signed, type, to_py_func) (\ + __Pyx_fits_Py_ssize_t(ix, type, is_signed) ?\ + __Pyx__PyList_PopIndex(L, py_ix, ix) : (\ + (unlikely((py_ix) == Py_None)) ? __Pyx__PyObject_PopNewIndex(L, to_py_func(ix)) :\ + __Pyx__PyObject_PopIndex(L, py_ix))) +#else +#define __Pyx_PyList_PopIndex(L, py_ix, ix, is_signed, type, to_py_func)\ + __Pyx_PyObject_PopIndex(L, py_ix, ix, is_signed, type, to_py_func) +#define __Pyx_PyObject_PopIndex(L, py_ix, ix, is_signed, type, to_py_func) (\ + (unlikely((py_ix) == Py_None)) ? __Pyx__PyObject_PopNewIndex(L, to_py_func(ix)) :\ + __Pyx__PyObject_PopIndex(L, py_ix)) +#endif + +/* ListAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_PyList_Append(L,x) PyList_Append(L,x) +#endif + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* SetVTable.proto */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable); + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); + +/* InitStrings.proto */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); + +static PyObject *__pyx_f_7aiohttp_11_frozenlist_10FrozenList__check_frozen(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_11_frozenlist_10FrozenList__fast_len(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self); /* proto*/ + +/* Module declarations from 'aiohttp._frozenlist' */ +static PyTypeObject *__pyx_ptype_7aiohttp_11_frozenlist_FrozenList = 0; +static PyObject *__pyx_f_7aiohttp_11_frozenlist___pyx_unpickle_FrozenList__set_state(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *, PyObject *); /*proto*/ +#define __Pyx_MODULE_NAME "aiohttp._frozenlist" +extern int __pyx_module_is_main_aiohttp___frozenlist; +int __pyx_module_is_main_aiohttp___frozenlist = 0; + +/* Implementation of 'aiohttp._frozenlist' */ +static PyObject *__pyx_builtin_RuntimeError; +static const char __pyx_k_new[] = "__new__"; +static const char __pyx_k_pop[] = "pop"; +static const char __pyx_k_pos[] = "pos"; +static const char __pyx_k_dict[] = "__dict__"; +static const char __pyx_k_item[] = "item"; +static const char __pyx_k_iter[] = "__iter__"; +static const char __pyx_k_main[] = "__main__"; +static const char __pyx_k_name[] = "__name__"; +static const char __pyx_k_test[] = "__test__"; +static const char __pyx_k_clear[] = "clear"; +static const char __pyx_k_count[] = "count"; +static const char __pyx_k_index[] = "index"; +static const char __pyx_k_items[] = "items"; +static const char __pyx_k_format[] = "format"; +static const char __pyx_k_import[] = "__import__"; +static const char __pyx_k_pickle[] = "pickle"; +static const char __pyx_k_reduce[] = "__reduce__"; +static const char __pyx_k_remove[] = "remove"; +static const char __pyx_k_update[] = "update"; +static const char __pyx_k_getstate[] = "__getstate__"; +static const char __pyx_k_pyx_type[] = "__pyx_type"; +static const char __pyx_k_register[] = "register"; +static const char __pyx_k_reversed[] = "__reversed__"; +static const char __pyx_k_setstate[] = "__setstate__"; +static const char __pyx_k_pyx_state[] = "__pyx_state"; +static const char __pyx_k_reduce_ex[] = "__reduce_ex__"; +static const char __pyx_k_FrozenList[] = "FrozenList"; +static const char __pyx_k_pyx_result[] = "__pyx_result"; +static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__"; +static const char __pyx_k_PickleError[] = "PickleError"; +static const char __pyx_k_RuntimeError[] = "RuntimeError"; +static const char __pyx_k_pyx_checksum[] = "__pyx_checksum"; +static const char __pyx_k_stringsource[] = "stringsource"; +static const char __pyx_k_reduce_cython[] = "__reduce_cython__"; +static const char __pyx_k_MutableSequence[] = "MutableSequence"; +static const char __pyx_k_collections_abc[] = "collections.abc"; +static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError"; +static const char __pyx_k_setstate_cython[] = "__setstate_cython__"; +static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback"; +static const char __pyx_k_FrozenList_frozen_r[] = ""; +static const char __pyx_k_aiohttp__frozenlist[] = "aiohttp._frozenlist"; +static const char __pyx_k_pyx_unpickle_FrozenList[] = "__pyx_unpickle_FrozenList"; +static const char __pyx_k_Cannot_modify_frozen_list[] = "Cannot modify frozen list."; +static const char __pyx_k_Incompatible_checksums_s_vs_0x94[] = "Incompatible checksums (%s vs 0x949a143 = (_items, frozen))"; +static PyObject *__pyx_kp_u_Cannot_modify_frozen_list; +static PyObject *__pyx_n_s_FrozenList; +static PyObject *__pyx_kp_u_FrozenList_frozen_r; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0x94; +static PyObject *__pyx_n_s_MutableSequence; +static PyObject *__pyx_n_s_PickleError; +static PyObject *__pyx_n_s_RuntimeError; +static PyObject *__pyx_n_s_aiohttp__frozenlist; +static PyObject *__pyx_n_s_clear; +static PyObject *__pyx_n_s_cline_in_traceback; +static PyObject *__pyx_n_s_collections_abc; +static PyObject *__pyx_n_s_count; +static PyObject *__pyx_n_s_dict; +static PyObject *__pyx_n_s_format; +static PyObject *__pyx_n_s_getstate; +static PyObject *__pyx_n_s_import; +static PyObject *__pyx_n_s_index; +static PyObject *__pyx_n_s_item; +static PyObject *__pyx_n_s_items; +static PyObject *__pyx_n_s_iter; +static PyObject *__pyx_n_s_main; +static PyObject *__pyx_n_s_name; +static PyObject *__pyx_n_s_new; +static PyObject *__pyx_n_s_pickle; +static PyObject *__pyx_n_s_pop; +static PyObject *__pyx_n_s_pos; +static PyObject *__pyx_n_s_pyx_PickleError; +static PyObject *__pyx_n_s_pyx_checksum; +static PyObject *__pyx_n_s_pyx_result; +static PyObject *__pyx_n_s_pyx_state; +static PyObject *__pyx_n_s_pyx_type; +static PyObject *__pyx_n_s_pyx_unpickle_FrozenList; +static PyObject *__pyx_n_s_pyx_vtable; +static PyObject *__pyx_n_s_reduce; +static PyObject *__pyx_n_s_reduce_cython; +static PyObject *__pyx_n_s_reduce_ex; +static PyObject *__pyx_n_s_register; +static PyObject *__pyx_n_s_remove; +static PyObject *__pyx_n_s_reversed; +static PyObject *__pyx_n_s_setstate; +static PyObject *__pyx_n_s_setstate_cython; +static PyObject *__pyx_kp_s_stringsource; +static PyObject *__pyx_n_s_test; +static PyObject *__pyx_n_s_update; +static int __pyx_pf_7aiohttp_11_frozenlist_10FrozenList___init__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self, PyObject *__pyx_v_items); /* proto */ +static PyObject *__pyx_pf_7aiohttp_11_frozenlist_10FrozenList_2freeze(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7aiohttp_11_frozenlist_10FrozenList_4__getitem__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */ +static int __pyx_pf_7aiohttp_11_frozenlist_10FrozenList_6__setitem__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self, PyObject *__pyx_v_index, PyObject *__pyx_v_value); /* proto */ +static int __pyx_pf_7aiohttp_11_frozenlist_10FrozenList_8__delitem__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self, PyObject *__pyx_v_index); /* proto */ +static Py_ssize_t __pyx_pf_7aiohttp_11_frozenlist_10FrozenList_10__len__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7aiohttp_11_frozenlist_10FrozenList_12__iter__(struct __pyx_obj_7aiohttp_11_frozenlist_FrozenList *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_7aiohttp_11_frozenlist_10FrozenList_14__reversed__(struct 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+ void *r = NULL; + m = PyImport_ImportModule(modname); + if (!m) goto end; + p = PyObject_GetAttrString(m, "RefNannyAPI"); + if (!p) goto end; + r = PyLong_AsVoidPtr(p); +end: + Py_XDECREF(p); + Py_XDECREF(m); + return (__Pyx_RefNannyAPIStruct *)r; +} +#endif + +/* PyObjectGetAttrStr */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) { + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro)) + return tp->tp_getattro(obj, attr_name); +#if PY_MAJOR_VERSION < 3 + if (likely(tp->tp_getattr)) + return tp->tp_getattr(obj, PyString_AS_STRING(attr_name)); +#endif + return PyObject_GetAttr(obj, attr_name); +} +#endif + +/* GetBuiltinName */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name) { + PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name); + if (unlikely(!result)) { + PyErr_Format(PyExc_NameError, +#if PY_MAJOR_VERSION >= 3 + "name '%U' is not defined", name); +#else + "name '%.200s' is not defined", PyString_AS_STRING(name)); +#endif + } + return result; +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* GetItemInt */ +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { + PyObject *r; + if (!j) return NULL; + r = PyObject_GetItem(o, j); + Py_DECREF(j); + return r; +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyList_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyTuple_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS + if (is_list || PyList_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); + if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { + PyObject *r = PyList_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } + else if (PyTuple_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); + if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } else { + PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; + if (likely(m && m->sq_item)) { + if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { + Py_ssize_t l = m->sq_length(o); + if (likely(l >= 0)) { + i += l; + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + } + return m->sq_item(o, i); + } + } +#else + if (is_list || PySequence_Check(o)) { + return PySequence_GetItem(o, i); + } +#endif + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +/* ObjectGetItem */ +#if CYTHON_USE_TYPE_SLOTS +static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) { + PyObject *runerr; + Py_ssize_t key_value; + PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence; + if (unlikely(!(m && m->sq_item))) { + PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name); + return NULL; + } + key_value = __Pyx_PyIndex_AsSsize_t(index); + if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) { + return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1); + } + if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) { + PyErr_Clear(); + PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name); + } + return NULL; +} +static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) { + PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping; + if (likely(m && m->mp_subscript)) { + return m->mp_subscript(obj, key); + } + return __Pyx_PyObject_GetIndex(obj, key); +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* PyIntCompare */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_EqObjC(PyObject *op1, PyObject *op2, CYTHON_UNUSED long intval, CYTHON_UNUSED long inplace) { + if (op1 == op2) { + Py_RETURN_TRUE; + } + #if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(op1))) { + const long b = intval; + long a = PyInt_AS_LONG(op1); + if (a == b) Py_RETURN_TRUE; else Py_RETURN_FALSE; + } + #endif + #if CYTHON_USE_PYLONG_INTERNALS + if (likely(PyLong_CheckExact(op1))) { + int unequal; + unsigned long uintval; + Py_ssize_t size = Py_SIZE(op1); + const digit* digits = ((PyLongObject*)op1)->ob_digit; + if (intval == 0) { + if (size == 0) Py_RETURN_TRUE; else Py_RETURN_FALSE; + } else if (intval < 0) { + if (size >= 0) + Py_RETURN_FALSE; + intval = -intval; + size = -size; + } else { + if (size <= 0) + Py_RETURN_FALSE; + } + uintval = (unsigned long) intval; +#if PyLong_SHIFT * 4 < SIZEOF_LONG*8 + if (uintval >> (PyLong_SHIFT * 4)) { + unequal = (size != 5) || (digits[0] != (uintval & (unsigned long) PyLong_MASK)) + | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[4] != ((uintval >> (4 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)); + } else +#endif +#if PyLong_SHIFT * 3 < SIZEOF_LONG*8 + if (uintval >> (PyLong_SHIFT * 3)) { + unequal = (size != 4) || (digits[0] != (uintval & (unsigned long) PyLong_MASK)) + | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[3] != ((uintval >> (3 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)); + } else +#endif +#if PyLong_SHIFT * 2 < SIZEOF_LONG*8 + if (uintval >> (PyLong_SHIFT * 2)) { + unequal = (size != 3) || (digits[0] != (uintval & (unsigned long) PyLong_MASK)) + | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)) | (digits[2] != ((uintval >> (2 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)); + } else +#endif +#if PyLong_SHIFT * 1 < SIZEOF_LONG*8 + if (uintval >> (PyLong_SHIFT * 1)) { + unequal = (size != 2) || (digits[0] != (uintval & (unsigned long) PyLong_MASK)) + | (digits[1] != ((uintval >> (1 * PyLong_SHIFT)) & (unsigned long) PyLong_MASK)); + } else +#endif + unequal = (size != 1) || (((unsigned long) digits[0]) != (uintval & (unsigned long) PyLong_MASK)); + if (unequal == 0) Py_RETURN_TRUE; else Py_RETURN_FALSE; + } + #endif + if (PyFloat_CheckExact(op1)) { + const long b = intval; + double a = PyFloat_AS_DOUBLE(op1); + if ((double)a == (double)b) Py_RETURN_TRUE; else Py_RETURN_FALSE; + } + return ( + PyObject_RichCompare(op1, op2, Py_EQ)); +} + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* PyObjectGetMethod */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) { + PyObject *attr; +#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP + PyTypeObject *tp = Py_TYPE(obj); + PyObject *descr; + descrgetfunc f = NULL; + PyObject **dictptr, *dict; + int meth_found = 0; + assert (*method == NULL); + if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) { + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; + } + if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) { + return 0; + } + descr = _PyType_Lookup(tp, name); + if (likely(descr != NULL)) { + Py_INCREF(descr); +#if PY_MAJOR_VERSION >= 3 + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type))) + #endif +#else + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr))) + #endif +#endif + { + meth_found = 1; + } else { + f = Py_TYPE(descr)->tp_descr_get; + if (f != NULL && PyDescr_IsData(descr)) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + } + } + dictptr = _PyObject_GetDictPtr(obj); + if (dictptr != NULL && (dict = *dictptr) != NULL) { + Py_INCREF(dict); + attr = __Pyx_PyDict_GetItemStr(dict, name); + if (attr != NULL) { + Py_INCREF(attr); + Py_DECREF(dict); + Py_XDECREF(descr); + goto try_unpack; + } + Py_DECREF(dict); + } + if (meth_found) { + *method = descr; + return 1; + } + if (f != NULL) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + if (descr != NULL) { + *method = descr; + return 0; + } + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(name)); +#endif + return 0; +#else + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; +#endif +try_unpack: +#if CYTHON_UNPACK_METHODS + if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) { + PyObject *function = PyMethod_GET_FUNCTION(attr); + Py_INCREF(function); + Py_DECREF(attr); + *method = function; + return 1; + } +#endif + *method = attr; + return 0; +} + +/* PyObjectCallMethod1 */ +static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) { + PyObject *result = __Pyx_PyObject_CallOneArg(method, arg); + Py_DECREF(method); + return result; +} +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) { + PyObject *method = NULL, *result; + int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method); + if (likely(is_method)) { + result = __Pyx_PyObject_Call2Args(method, obj, arg); + Py_DECREF(method); + return result; + } + if (unlikely(!method)) return NULL; + return __Pyx__PyObject_CallMethod1(method, arg); +} + +/* pop_index */ +static PyObject* __Pyx__PyObject_PopNewIndex(PyObject* L, PyObject* py_ix) { + PyObject *r; + if (unlikely(!py_ix)) return NULL; + r = __Pyx__PyObject_PopIndex(L, py_ix); + Py_DECREF(py_ix); + return r; +} +static PyObject* __Pyx__PyObject_PopIndex(PyObject* L, PyObject* py_ix) { + return __Pyx_PyObject_CallMethod1(L, __pyx_n_s_pop, py_ix); +} +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static PyObject* __Pyx__PyList_PopIndex(PyObject* L, PyObject* py_ix, Py_ssize_t ix) { + Py_ssize_t size = PyList_GET_SIZE(L); + if (likely(size > (((PyListObject*)L)->allocated >> 1))) { + Py_ssize_t cix = ix; + if (cix < 0) { + cix += size; + } + if (likely(__Pyx_is_valid_index(cix, size))) { + PyObject* v = PyList_GET_ITEM(L, cix); + __Pyx_SET_SIZE(L, Py_SIZE(L) - 1); + size -= 1; + memmove(&PyList_GET_ITEM(L, cix), &PyList_GET_ITEM(L, cix+1), (size_t)(size-cix)*sizeof(PyObject*)); + return v; + } + } + if (py_ix == Py_None) { + return __Pyx__PyObject_PopNewIndex(L, PyInt_FromSsize_t(ix)); + } else { + return __Pyx__PyObject_PopIndex(L, py_ix); + } +} +#endif + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* SetVTable */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable) { +#if PY_VERSION_HEX >= 0x02070000 + PyObject *ob = PyCapsule_New(vtable, 0, 0); +#else + PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); +#endif + if (!ob) + goto bad; + if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) + goto bad; + Py_DECREF(ob); + return 0; +bad: + Py_XDECREF(ob); + return -1; +} + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int), + little, !is_unsigned); + } +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; ip) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..a3714fc Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.pyx b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.pyx new file mode 100644 index 0000000..b130577 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_frozenlist.pyx @@ -0,0 +1,108 @@ +from collections.abc import MutableSequence + + +cdef class FrozenList: + + cdef readonly bint frozen + cdef list _items + + def __init__(self, items=None): + self.frozen = False + if items is not None: + items = list(items) + else: + items = [] + self._items = items + + cdef object _check_frozen(self): + if self.frozen: + raise RuntimeError("Cannot modify frozen list.") + + cdef inline object _fast_len(self): + return len(self._items) + + def freeze(self): + self.frozen = True + + def __getitem__(self, index): + return self._items[index] + + def __setitem__(self, index, value): + self._check_frozen() + self._items[index] = value + + def __delitem__(self, index): + self._check_frozen() + del self._items[index] + + def __len__(self): + return self._fast_len() + + def __iter__(self): + return self._items.__iter__() + + def __reversed__(self): + return self._items.__reversed__() + + def __richcmp__(self, other, op): + if op == 0: # < + return list(self) < other + if op == 1: # <= + return list(self) <= other + if op == 2: # == + return list(self) == other + if op == 3: # != + return list(self) != other + if op == 4: # > + return list(self) > other + if op == 5: # => + return list(self) >= other + + def insert(self, pos, item): + self._check_frozen() + self._items.insert(pos, item) + + def __contains__(self, item): + return item in self._items + + def __iadd__(self, items): + self._check_frozen() + self._items += list(items) + return self + + def index(self, item): + return self._items.index(item) + + def remove(self, item): + self._check_frozen() + self._items.remove(item) + + def clear(self): + self._check_frozen() + self._items.clear() + + def extend(self, items): + self._check_frozen() + self._items += list(items) + + def reverse(self): + self._check_frozen() + self._items.reverse() + + def pop(self, index=-1): + self._check_frozen() + return self._items.pop(index) + + def append(self, item): + self._check_frozen() + return self._items.append(item) + + def count(self, item): + return self._items.count(item) + + def __repr__(self): + return ''.format(self.frozen, + self._items) + + +MutableSequence.register(FrozenList) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_headers.pxi b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_headers.pxi new file mode 100644 index 0000000..3744721 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_headers.pxi @@ -0,0 +1,83 @@ +# The file is autogenerated from aiohttp/hdrs.py +# Run ./tools/gen.py to update it after the origin changing. + +from . import hdrs +cdef tuple headers = ( + hdrs.ACCEPT, + hdrs.ACCEPT_CHARSET, + hdrs.ACCEPT_ENCODING, + hdrs.ACCEPT_LANGUAGE, + hdrs.ACCEPT_RANGES, + hdrs.ACCESS_CONTROL_ALLOW_CREDENTIALS, + hdrs.ACCESS_CONTROL_ALLOW_HEADERS, + hdrs.ACCESS_CONTROL_ALLOW_METHODS, + hdrs.ACCESS_CONTROL_ALLOW_ORIGIN, + hdrs.ACCESS_CONTROL_EXPOSE_HEADERS, + hdrs.ACCESS_CONTROL_MAX_AGE, + hdrs.ACCESS_CONTROL_REQUEST_HEADERS, + hdrs.ACCESS_CONTROL_REQUEST_METHOD, + hdrs.AGE, + hdrs.ALLOW, + hdrs.AUTHORIZATION, + hdrs.CACHE_CONTROL, + hdrs.CONNECTION, + hdrs.CONTENT_DISPOSITION, + hdrs.CONTENT_ENCODING, + hdrs.CONTENT_LANGUAGE, + hdrs.CONTENT_LENGTH, + hdrs.CONTENT_LOCATION, + hdrs.CONTENT_MD5, + hdrs.CONTENT_RANGE, + hdrs.CONTENT_TRANSFER_ENCODING, + hdrs.CONTENT_TYPE, + hdrs.COOKIE, + hdrs.DATE, + hdrs.DESTINATION, + hdrs.DIGEST, + hdrs.ETAG, + hdrs.EXPECT, + hdrs.EXPIRES, + hdrs.FORWARDED, + hdrs.FROM, + hdrs.HOST, + hdrs.IF_MATCH, + hdrs.IF_MODIFIED_SINCE, + hdrs.IF_NONE_MATCH, + hdrs.IF_RANGE, + hdrs.IF_UNMODIFIED_SINCE, + hdrs.KEEP_ALIVE, + hdrs.LAST_EVENT_ID, + hdrs.LAST_MODIFIED, + hdrs.LINK, + hdrs.LOCATION, + hdrs.MAX_FORWARDS, + hdrs.ORIGIN, + hdrs.PRAGMA, + hdrs.PROXY_AUTHENTICATE, + hdrs.PROXY_AUTHORIZATION, + hdrs.RANGE, + hdrs.REFERER, + hdrs.RETRY_AFTER, + hdrs.SEC_WEBSOCKET_ACCEPT, + hdrs.SEC_WEBSOCKET_EXTENSIONS, + hdrs.SEC_WEBSOCKET_KEY, + hdrs.SEC_WEBSOCKET_KEY1, + hdrs.SEC_WEBSOCKET_PROTOCOL, + hdrs.SEC_WEBSOCKET_VERSION, + hdrs.SERVER, + hdrs.SET_COOKIE, + hdrs.TE, + hdrs.TRAILER, + hdrs.TRANSFER_ENCODING, + hdrs.URI, + hdrs.UPGRADE, + hdrs.USER_AGENT, + hdrs.VARY, + hdrs.VIA, + hdrs.WWW_AUTHENTICATE, + hdrs.WANT_DIGEST, + hdrs.WARNING, + hdrs.X_FORWARDED_FOR, + hdrs.X_FORWARDED_HOST, + hdrs.X_FORWARDED_PROTO, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.c new file mode 100644 index 0000000..764f998 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.c @@ -0,0 +1,5433 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__aiohttp___helpers +#define __PYX_HAVE_API__aiohttp___helpers +/* Early includes */ +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "aiohttp/_helpers.pyx", + "stringsource", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_7aiohttp_8_helpers_reify; + +/* "aiohttp/_helpers.pyx":1 + * cdef class reify: # <<<<<<<<<<<<<< + * """Use as a class method decorator. It operates almost exactly like + * the Python `@property` decorator, but it puts the result of the + */ +struct __pyx_obj_7aiohttp_8_helpers_reify { + PyObject_HEAD + PyObject *wrapped; + PyObject *name; +}; + + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; +#ifdef WITH_THREAD + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + if (acquire_gil) {\ + PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + PyGILState_Release(__pyx_gilstate_save);\ + } else {\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + } +#else + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) +#endif + #define __Pyx_RefNannyFinishContext()\ + __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* ObjectGetItem.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key); +#else +#define __Pyx_PyObject_GetItem(obj, key) PyObject_GetItem(obj, key) +#endif + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); 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It operates almost exactly like + * the Python `@property` decorator, but it puts the result of the + */ + __pyx_t_1 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_1); + if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) __PYX_ERR(0, 1, __pyx_L1_error) + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /*--- Wrapped vars code ---*/ + + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + if (__pyx_m) { + if (__pyx_d) { + __Pyx_AddTraceback("init aiohttp._helpers", __pyx_clineno, __pyx_lineno, __pyx_filename); + } + Py_CLEAR(__pyx_m); + } else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_ImportError, "init aiohttp._helpers"); + } + __pyx_L0:; + __Pyx_RefNannyFinishContext(); + #if CYTHON_PEP489_MULTI_PHASE_INIT + return (__pyx_m != NULL) ? 0 : -1; + #elif PY_MAJOR_VERSION >= 3 + return __pyx_m; + #else + return; + #endif +} + +/* --- Runtime support code --- */ +/* Refnanny */ +#if CYTHON_REFNANNY +static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) { + PyObject *m = NULL, *p = NULL; + void *r = NULL; + m = PyImport_ImportModule(modname); + if (!m) goto end; + p = PyObject_GetAttrString(m, "RefNannyAPI"); + if (!p) goto end; + r = PyLong_AsVoidPtr(p); +end: + Py_XDECREF(p); + Py_XDECREF(m); + return (__Pyx_RefNannyAPIStruct *)r; +} +#endif + +/* PyObjectGetAttrStr */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) { + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro)) + return tp->tp_getattro(obj, attr_name); +#if PY_MAJOR_VERSION < 3 + if (likely(tp->tp_getattr)) + return tp->tp_getattr(obj, PyString_AS_STRING(attr_name)); +#endif + return PyObject_GetAttr(obj, attr_name); +} +#endif + +/* GetBuiltinName */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name) { + PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name); + if (unlikely(!result)) { + PyErr_Format(PyExc_NameError, +#if PY_MAJOR_VERSION >= 3 + "name '%U' is not defined", name); +#else + "name '%.200s' is not defined", PyString_AS_STRING(name)); +#endif + } + return result; +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* GetItemInt */ +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { + PyObject *r; + if (!j) return NULL; + r = PyObject_GetItem(o, j); + Py_DECREF(j); + return r; +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyList_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyTuple_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS + if (is_list || PyList_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); + if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { + PyObject *r = PyList_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } + else if (PyTuple_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); + if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } else { + PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; + if (likely(m && m->sq_item)) { + if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { + Py_ssize_t l = m->sq_length(o); + if (likely(l >= 0)) { + i += l; + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + } + return m->sq_item(o, i); + } + } +#else + if (is_list || PySequence_Check(o)) { + return PySequence_GetItem(o, i); + } +#endif + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +/* ObjectGetItem */ +#if CYTHON_USE_TYPE_SLOTS +static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) { + PyObject *runerr; + Py_ssize_t key_value; + PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence; + if (unlikely(!(m && m->sq_item))) { + PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name); + return NULL; + } + key_value = __Pyx_PyIndex_AsSsize_t(index); + if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) { + return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1); + } + if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) { + PyErr_Clear(); + PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name); + } + return NULL; +} +static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) { + PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping; + if (likely(m && m->mp_subscript)) { + return m->mp_subscript(obj, key); + } + return __Pyx_PyObject_GetIndex(obj, key); +} +#endif + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; ip) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..c791130 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyi b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyi new file mode 100644 index 0000000..1e35893 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyi @@ -0,0 +1,6 @@ +from typing import Any + +class reify: + def __init__(self, wrapped: Any) -> None: ... + def __get__(self, inst: Any, owner: Any) -> Any: ... + def __set__(self, inst: Any, value: Any) -> None: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyx b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyx new file mode 100644 index 0000000..665f367 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_helpers.pyx @@ -0,0 +1,35 @@ +cdef class reify: + """Use as a class method decorator. It operates almost exactly like + the Python `@property` decorator, but it puts the result of the + method it decorates into the instance dict after the first call, + effectively replacing the function it decorates with an instance + variable. It is, in Python parlance, a data descriptor. + + """ + + cdef object wrapped + cdef object name + + def __init__(self, wrapped): + self.wrapped = wrapped + self.name = wrapped.__name__ + + @property + def __doc__(self): + return self.wrapped.__doc__ + + def __get__(self, inst, owner): + try: + try: + return inst._cache[self.name] + except KeyError: + val = self.wrapped(inst) + inst._cache[self.name] = val + return val + except AttributeError: + if inst is None: + return self + raise + + def __set__(self, inst, value): + raise AttributeError("reified property is read-only") diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.c new file mode 100644 index 0000000..096446e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.c @@ -0,0 +1,24607 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__aiohttp___http_parser +#define __PYX_HAVE_API__aiohttp___http_parser +/* Early includes */ +#include +#include +#include "pythread.h" +#include +#include +#include "../vendor/http-parser/http_parser.h" +#include "_find_header.h" +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "aiohttp/_http_parser.pyx", + "stringsource", + "type.pxd", + "bool.pxd", + "complex.pxd", + "aiohttp/_headers.pxi", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_7aiohttp_12_http_parser_RawRequestMessage; +struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage; +struct __pyx_obj_7aiohttp_12_http_parser_HttpParser; +struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser; +struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser; +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__; +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr; +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__; +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr; +struct __pyx_opt_args_7aiohttp_12_http_parser_10HttpParser__init; + +/* "aiohttp/_http_parser.pyx":327 + * PyMem_Free(self._csettings) + * + * cdef _init(self, cparser.http_parser_type mode, # <<<<<<<<<<<<<< + * object protocol, object loop, int limit, + * object timer=None, + */ +struct __pyx_opt_args_7aiohttp_12_http_parser_10HttpParser__init { + int __pyx_n; + PyObject *timer; + size_t max_line_size; + size_t max_headers; + size_t max_field_size; + PyObject *payload_exception; + int response_with_body; + int read_until_eof; + int auto_decompress; +}; + +/* "aiohttp/_http_parser.pyx":110 + * + * @cython.freelist(DEFAULT_FREELIST_SIZE) + * cdef class RawRequestMessage: # <<<<<<<<<<<<<< + * cdef readonly str method + * cdef readonly str path + */ +struct __pyx_obj_7aiohttp_12_http_parser_RawRequestMessage { + PyObject_HEAD + PyObject *method; + PyObject *path; + PyObject *version; + PyObject *headers; + PyObject *raw_headers; + PyObject *should_close; + PyObject *compression; + PyObject *upgrade; + PyObject *chunked; + PyObject *url; +}; + + +/* "aiohttp/_http_parser.pyx":210 + * + * @cython.freelist(DEFAULT_FREELIST_SIZE) + * cdef class RawResponseMessage: # <<<<<<<<<<<<<< + * cdef readonly object version # HttpVersion + * cdef readonly int code + */ +struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage { + PyObject_HEAD + PyObject *version; + int code; + PyObject *reason; + PyObject *headers; + PyObject *raw_headers; + PyObject *should_close; + PyObject *compression; + PyObject *upgrade; + PyObject *chunked; +}; + + +/* "aiohttp/_http_parser.pyx":272 + * + * @cython.internal + * cdef class HttpParser: # <<<<<<<<<<<<<< + * + * cdef: + */ +struct __pyx_obj_7aiohttp_12_http_parser_HttpParser { + PyObject_HEAD + struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser *__pyx_vtab; + struct http_parser *_cparser; + struct http_parser_settings *_csettings; + PyObject *_raw_name; + PyObject *_raw_value; + int _has_value; + PyObject *_protocol; + PyObject *_loop; + PyObject *_timer; + size_t _max_line_size; + size_t _max_field_size; + size_t _max_headers; + int _response_with_body; + int _read_until_eof; + int _started; + PyObject *_url; + PyObject *_buf; + PyObject *_path; + PyObject *_reason; + PyObject *_headers; + PyObject *_raw_headers; + int _upgraded; + PyObject *_messages; + PyObject *_payload; + int _payload_error; + PyObject *_payload_exception; + PyObject *_last_error; + int _auto_decompress; + int _limit; + PyObject *_content_encoding; + Py_buffer py_buf; +}; + + +/* "aiohttp/_http_parser.pyx":563 + * + * + * cdef class HttpRequestParser(HttpParser): # <<<<<<<<<<<<<< + * + * def __init__(self, protocol, loop, int limit, timer=None, + */ +struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser { + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser __pyx_base; +}; + + +/* "aiohttp/_http_parser.pyx":591 + * + * + * cdef class HttpResponseParser(HttpParser): # <<<<<<<<<<<<<< + * + * def __init__(self, protocol, loop, int limit, timer=None, + */ +struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser { + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser __pyx_base; +}; + + +/* "aiohttp/_http_parser.pyx":135 + * self.url = url + * + * def __repr__(self): # <<<<<<<<<<<<<< + * info = [] + * info.append(("method", self.method)) + */ +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ { + PyObject_HEAD + PyObject *__pyx_v_info; +}; + + +/* "aiohttp/_http_parser.pyx":147 + * info.append(("chunked", self.chunked)) + * info.append(("url", self.url)) + * sinfo = ', '.join(name + '=' + repr(val) for name, val in info) # <<<<<<<<<<<<<< + * return '' + * + */ +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr { + PyObject_HEAD + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *__pyx_outer_scope; + PyObject *__pyx_v_name; + PyObject *__pyx_v_val; +}; + + +/* "aiohttp/_http_parser.pyx":233 + * self.chunked = chunked + * + * def __repr__(self): # <<<<<<<<<<<<<< + * info = [] + * info.append(("version", self.version)) + */ +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ { + PyObject_HEAD + PyObject *__pyx_v_info; +}; + + +/* "aiohttp/_http_parser.pyx":244 + * info.append(("upgrade", self.upgrade)) + * info.append(("chunked", self.chunked)) + * sinfo = ', '.join(name + '=' + repr(val) for name, val in info) # <<<<<<<<<<<<<< + * return '' + * + */ +struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr { + PyObject_HEAD + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *__pyx_outer_scope; + PyObject *__pyx_v_name; + PyObject *__pyx_v_val; +}; + + + +/* "aiohttp/_http_parser.pyx":272 + * + * @cython.internal + * cdef class HttpParser: # <<<<<<<<<<<<<< + * + * cdef: + */ + +struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser { + PyObject *(*_init)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *, enum http_parser_type, PyObject *, PyObject *, int, struct __pyx_opt_args_7aiohttp_12_http_parser_10HttpParser__init *__pyx_optional_args); + PyObject *(*_process_header)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*_on_header_field)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *, char *, size_t); + PyObject *(*_on_header_value)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *, char *, size_t); + PyObject *(*_on_headers_complete)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*_on_message_complete)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*_on_chunk_header)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*_on_chunk_complete)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*_on_status_complete)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + PyObject *(*http_version)(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser *__pyx_vtabptr_7aiohttp_12_http_parser_HttpParser; +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser_http_version(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *); + + +/* "aiohttp/_http_parser.pyx":563 + * + * + * cdef class HttpRequestParser(HttpParser): # <<<<<<<<<<<<<< + * + * def __init__(self, protocol, loop, int limit, timer=None, + */ + +struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpRequestParser { + struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser __pyx_base; +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpRequestParser *__pyx_vtabptr_7aiohttp_12_http_parser_HttpRequestParser; + + +/* "aiohttp/_http_parser.pyx":591 + * + * + * cdef class HttpResponseParser(HttpParser): # <<<<<<<<<<<<<< + * + * def __init__(self, protocol, loop, int limit, timer=None, + */ + +struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpResponseParser { + struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser __pyx_base; +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpResponseParser *__pyx_vtabptr_7aiohttp_12_http_parser_HttpResponseParser; + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; +#ifdef WITH_THREAD + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + if (acquire_gil) {\ + PyGILState_STATE __pyx_gilstate_save = PyGILState_Ensure();\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + PyGILState_Release(__pyx_gilstate_save);\ + } else {\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__);\ + } +#else + #define __Pyx_RefNannySetupContext(name, acquire_gil)\ + __pyx_refnanny = __Pyx_RefNanny->SetupContext((name), __LINE__, __FILE__) +#endif + #define __Pyx_RefNannyFinishContext()\ + __Pyx_RefNanny->FinishContext(&__pyx_refnanny) + #define __Pyx_INCREF(r) __Pyx_RefNanny->INCREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_DECREF(r) __Pyx_RefNanny->DECREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GOTREF(r) __Pyx_RefNanny->GOTREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_GIVEREF(r) __Pyx_RefNanny->GIVEREF(__pyx_refnanny, (PyObject *)(r), __LINE__) + #define __Pyx_XINCREF(r) do { if((r) != NULL) {__Pyx_INCREF(r); }} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* decode_c_string_utf16.proto */ +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 0; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16LE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = -1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} +static CYTHON_INLINE PyObject *__Pyx_PyUnicode_DecodeUTF16BE(const char *s, Py_ssize_t size, const char *errors) { + int byteorder = 1; + return PyUnicode_DecodeUTF16(s, size, errors, &byteorder); +} + +/* decode_c_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes( + const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)); + +/* decode_bytes.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_bytes( + PyObject* string, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + return __Pyx_decode_c_bytes( + PyBytes_AS_STRING(string), PyBytes_GET_SIZE(string), + start, stop, encoding, errors, decode_func); +} + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* None.proto */ +static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname); + +/* RaiseTooManyValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); + +/* RaiseNeedMoreValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); + +/* IterFinish.proto */ +static CYTHON_INLINE int __Pyx_IterFinish(void); + +/* UnpackItemEndCheck.proto */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); + +/* ListCompAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_ListComp_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len)) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_ListComp_Append(L,x) PyList_Append(L,x) +#endif + +/* ListAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_PyList_Append(L,x) PyList_Append(L,x) +#endif + +/* KeywordStringCheck.proto */ +static int __Pyx_CheckKeywordStrings(PyObject *kwdict, const char* function_name, int kw_allowed); + +/* ExtTypeTest.proto */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); + +/* PyDictContains.proto */ +static CYTHON_INLINE int __Pyx_PyDict_ContainsTF(PyObject* item, PyObject* dict, int eq) { + int result = PyDict_Contains(dict, item); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* DictGetItem.proto */ +#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY +static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key); +#define __Pyx_PyObject_Dict_GetItem(obj, name)\ + (likely(PyDict_CheckExact(obj)) ?\ + __Pyx_PyDict_GetItem(obj, name) : PyObject_GetItem(obj, name)) +#else +#define __Pyx_PyDict_GetItem(d, key) PyObject_GetItem(d, key) +#define __Pyx_PyObject_Dict_GetItem(obj, name) PyObject_GetItem(obj, name) +#endif + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallNoArg.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); +#else +#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) +#endif + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* PySequenceContains.proto */ +static CYTHON_INLINE int __Pyx_PySequence_ContainsTF(PyObject* item, PyObject* seq, int eq) { + int result = PySequence_Contains(seq, item); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* IncludeStringH.proto */ +#include + +/* BytesEquals.proto */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); + +/* UnicodeEquals.proto */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); + +/* SliceObject.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice( + PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** py_start, PyObject** py_stop, PyObject** py_slice, + int has_cstart, int has_cstop, int wraparound); + +/* decode_bytearray.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_bytearray( + PyObject* string, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + return __Pyx_decode_c_bytes( + PyByteArray_AS_STRING(string), PyByteArray_GET_SIZE(string), + start, stop, encoding, errors, decode_func); +} + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* SwapException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSwap(type, value, tb) __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* decode_c_string.proto */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_string( + const char* cstring, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)); + +/* UnpackUnboundCMethod.proto */ +typedef struct { + PyObject *type; + PyObject **method_name; + PyCFunction func; + PyObject *method; + int flag; +} __Pyx_CachedCFunction; + +/* CallUnboundCMethod1.proto */ +static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg); +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg); +#else +#define __Pyx_CallUnboundCMethod1(cfunc, self, arg) __Pyx__CallUnboundCMethod1(cfunc, self, arg) +#endif + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* SetVTable.proto */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable); + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_short(unsigned short value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint16_t(uint16_t value); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE enum http_method __Pyx_PyInt_As_enum__http_method(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* FetchCommonType.proto */ +static PyTypeObject* __Pyx_FetchCommonType(PyTypeObject* type); + +/* PyObjectGetMethod.proto */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method); + +/* PyObjectCallMethod1.proto */ +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg); + +/* CoroutineBase.proto */ +typedef PyObject *(*__pyx_coroutine_body_t)(PyObject *, PyThreadState *, PyObject *); +#if CYTHON_USE_EXC_INFO_STACK +#define __Pyx_ExcInfoStruct _PyErr_StackItem +#else +typedef struct { + PyObject *exc_type; + PyObject *exc_value; + PyObject *exc_traceback; +} __Pyx_ExcInfoStruct; +#endif +typedef struct { + PyObject_HEAD + __pyx_coroutine_body_t body; + PyObject *closure; + __Pyx_ExcInfoStruct gi_exc_state; + PyObject *gi_weakreflist; + PyObject *classobj; + PyObject *yieldfrom; + PyObject *gi_name; + PyObject *gi_qualname; + PyObject *gi_modulename; + PyObject *gi_code; + int resume_label; + char is_running; +} __pyx_CoroutineObject; +static __pyx_CoroutineObject *__Pyx__Coroutine_New( + PyTypeObject *type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name); +static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit( + __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name); +static CYTHON_INLINE void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *self); +static int __Pyx_Coroutine_clear(PyObject *self); +static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value); +static PyObject *__Pyx_Coroutine_Close(PyObject *self); +static PyObject *__Pyx_Coroutine_Throw(PyObject *gen, PyObject *args); +#if CYTHON_USE_EXC_INFO_STACK +#define __Pyx_Coroutine_SwapException(self) +#define __Pyx_Coroutine_ResetAndClearException(self) __Pyx_Coroutine_ExceptionClear(&(self)->gi_exc_state) +#else +#define __Pyx_Coroutine_SwapException(self) {\ + __Pyx_ExceptionSwap(&(self)->gi_exc_state.exc_type, &(self)->gi_exc_state.exc_value, &(self)->gi_exc_state.exc_traceback);\ + __Pyx_Coroutine_ResetFrameBackpointer(&(self)->gi_exc_state);\ + } +#define __Pyx_Coroutine_ResetAndClearException(self) {\ + __Pyx_ExceptionReset((self)->gi_exc_state.exc_type, (self)->gi_exc_state.exc_value, (self)->gi_exc_state.exc_traceback);\ + (self)->gi_exc_state.exc_type = (self)->gi_exc_state.exc_value = (self)->gi_exc_state.exc_traceback = NULL;\ + } +#endif +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\ + __Pyx_PyGen__FetchStopIterationValue(__pyx_tstate, pvalue) +#else +#define __Pyx_PyGen_FetchStopIterationValue(pvalue)\ + __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, pvalue) +#endif +static int __Pyx_PyGen__FetchStopIterationValue(PyThreadState *tstate, PyObject **pvalue); +static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state); + +/* PatchModuleWithCoroutine.proto */ +static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code); + +/* PatchGeneratorABC.proto */ +static int __Pyx_patch_abc(void); + +/* Generator.proto */ +#define __Pyx_Generator_USED +static PyTypeObject *__pyx_GeneratorType = 0; +#define __Pyx_Generator_CheckExact(obj) (Py_TYPE(obj) == __pyx_GeneratorType) +#define __Pyx_Generator_New(body, code, closure, name, qualname, module_name)\ + __Pyx__Coroutine_New(__pyx_GeneratorType, body, code, closure, name, qualname, module_name) +static PyObject *__Pyx_Generator_Next(PyObject *self); +static int __pyx_Generator_init(void); + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); + +/* InitStrings.proto */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); + +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__init(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self, enum http_parser_type __pyx_v_mode, PyObject *__pyx_v_protocol, PyObject *__pyx_v_loop, int __pyx_v_limit, struct __pyx_opt_args_7aiohttp_12_http_parser_10HttpParser__init *__pyx_optional_args); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__process_header(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_header_field(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self, char *__pyx_v_at, size_t __pyx_v_length); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_header_value(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self, char *__pyx_v_at, size_t __pyx_v_length); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_headers_complete(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_message_complete(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_chunk_header(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_chunk_complete(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser__on_status_complete(CYTHON_UNUSED struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_12_http_parser_10HttpParser_http_version(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_17HttpRequestParser__on_status_complete(struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser *__pyx_v_self); /* proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_18HttpResponseParser__on_status_complete(struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser *__pyx_v_self); /* proto*/ + +/* Module declarations from 'cpython.version' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.type' */ +static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0; + +/* Module declarations from 'libc.string' */ + +/* Module declarations from 'libc.stdio' */ + +/* Module declarations from 'cpython.object' */ + +/* Module declarations from 'cpython.ref' */ + +/* Module declarations from 'cpython.exc' */ + +/* Module declarations from 'cpython.module' */ + +/* Module declarations from 'cpython.mem' */ + +/* Module declarations from 'cpython.tuple' */ + +/* Module declarations from 'cpython.list' */ + +/* Module declarations from 'cpython.sequence' */ + +/* Module declarations from 'cpython.mapping' */ + +/* Module declarations from 'cpython.iterator' */ + +/* Module declarations from 'cpython.number' */ + +/* Module declarations from 'cpython.int' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.bool' */ +static PyTypeObject *__pyx_ptype_7cpython_4bool_bool = 0; + +/* Module declarations from 'cpython.long' */ + +/* Module declarations from 'cpython.float' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.complex' */ +static PyTypeObject *__pyx_ptype_7cpython_7complex_complex = 0; + +/* Module declarations from 'cpython.string' */ + +/* Module declarations from 'cpython.unicode' */ + +/* Module declarations from 'cpython.dict' */ + +/* Module declarations from 'cpython.instance' */ + +/* Module declarations from 'cpython.function' */ + +/* Module declarations from 'cpython.method' */ + +/* Module declarations from 'cpython.weakref' */ + +/* Module declarations from 'cpython.getargs' */ + +/* Module declarations from 'cpython.pythread' */ + +/* Module declarations from 'cpython.pystate' */ + +/* Module declarations from 'cpython.cobject' */ + +/* Module declarations from 'cpython.oldbuffer' */ + +/* Module declarations from 'cpython.set' */ + +/* Module declarations from 'cpython.buffer' */ + +/* Module declarations from 'cpython.bytes' */ + +/* Module declarations from 'cpython.pycapsule' */ + +/* Module declarations from 'cpython' */ + +/* Module declarations from 'libc.limits' */ + +/* Module declarations from 'cython' */ + +/* Module declarations from 'aiohttp' */ + +/* Module declarations from 'libc.stdint' */ + +/* Module declarations from 'aiohttp._cparser' */ + +/* Module declarations from 'aiohttp._find_header' */ + +/* Module declarations from 'aiohttp._http_parser' */ +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser_RawRequestMessage = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser_RawResponseMessage = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser_HttpParser = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser_HttpRequestParser = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser_HttpResponseParser = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser___pyx_scope_struct____repr__ = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ = 0; +static PyTypeObject *__pyx_ptype_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_headers = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_URL = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_URL_build = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_CIMultiDict = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_CIMultiDictProxy = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_HttpVersion = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_HttpVersion10 = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_HttpVersion11 = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_SEC_WEBSOCKET_KEY1 = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_CONTENT_ENCODING = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_EMPTY_PAYLOAD = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_StreamReader = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser_DeflateBuffer = 0; +static PyObject *__pyx_v_7aiohttp_12_http_parser__http_method = 0; +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_12_http_parser_extend(PyObject *, char const *, size_t); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_12_http_parser_http_method_str(int); /*proto*/ +static CYTHON_INLINE PyObject *__pyx_f_7aiohttp_12_http_parser_find_header(PyObject *); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser__new_request_message(PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *, int, int, PyObject *); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser__new_response_message(PyObject *, int, PyObject *, PyObject *, PyObject *, int, PyObject *, int, int); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_message_begin(struct http_parser *); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_url(struct http_parser *, char const *, size_t); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_status(struct http_parser *, char const *, size_t); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_header_field(struct http_parser *, char const *, size_t); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_header_value(struct http_parser *, char const *, size_t); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_headers_complete(struct http_parser *); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_body(struct http_parser *, char const *, size_t); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_message_complete(struct http_parser *); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_chunk_header(struct http_parser *); /*proto*/ +static int __pyx_f_7aiohttp_12_http_parser_cb_on_chunk_complete(struct http_parser *); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser_parser_error_from_errno(enum http_errno); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser__parse_url(char *, size_t); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser___pyx_unpickle_RawRequestMessage__set_state(struct __pyx_obj_7aiohttp_12_http_parser_RawRequestMessage *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_parser___pyx_unpickle_RawResponseMessage__set_state(struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *, PyObject *); /*proto*/ +#define __Pyx_MODULE_NAME "aiohttp._http_parser" +extern int __pyx_module_is_main_aiohttp___http_parser; +int __pyx_module_is_main_aiohttp___http_parser = 0; + +/* Implementation of 'aiohttp._http_parser' */ +static PyObject *__pyx_builtin_range; +static PyObject *__pyx_builtin_MemoryError; +static PyObject *__pyx_builtin_TypeError; +static PyObject *__pyx_builtin_BaseException; +static const char __pyx_k_[] = "="; +static const char __pyx_k_i[] = "i"; +static const char __pyx_k_TE[] = "TE"; +static const char __pyx_k__2[] = ", "; +static const char __pyx_k__3[] = ")>"; +static const char __pyx_k__4[] = ""; +static const char __pyx_k_br[] = "br"; +static const char __pyx_k_AGE[] = "AGE"; +static const char __pyx_k_URI[] = "URI"; +static const char __pyx_k_URL[] = "URL"; +static const char __pyx_k_VIA[] = "VIA"; +static const char __pyx_k__11[] = ":"; +static const char __pyx_k_add[] = "add"; +static const char __pyx_k_all[] = "__all__"; +static const char __pyx_k_new[] = "__new__"; +static const char __pyx_k_url[] = "url"; +static const char __pyx_k_DATE[] = "DATE"; +static const char __pyx_k_ETAG[] = "ETAG"; +static const char __pyx_k_FROM[] = "FROM"; +static const char __pyx_k_HOST[] = "HOST"; +static const char __pyx_k_LINK[] = "LINK"; +static const char __pyx_k_VARY[] = "VARY"; +static const char __pyx_k_args[] = "args"; +static const char __pyx_k_code[] = "code"; +static const char __pyx_k_dict[] = "__dict__"; +static const char __pyx_k_gzip[] = "gzip"; +static const char __pyx_k_hdrs[] = "hdrs"; +static const char __pyx_k_host[] = "host"; +static const char __pyx_k_loop[] = "loop"; +static const char __pyx_k_main[] = "__main__"; +static const char __pyx_k_name[] = "__name__"; +static const char __pyx_k_path[] = "path"; +static const char __pyx_k_port[] = "port"; +static const char __pyx_k_send[] = "send"; +static const char __pyx_k_test[] = "__test__"; +static const char __pyx_k_user[] = "user"; +static const char __pyx_k_yarl[] = "yarl"; +static const char __pyx_k_ALLOW[] = "ALLOW"; +static const char __pyx_k_RANGE[] = "RANGE"; +static const char __pyx_k_URL_2[] = "_URL"; +static const char __pyx_k_build[] = "build"; +static const char __pyx_k_close[] = "close"; +static const char __pyx_k_limit[] = "limit"; +static const char __pyx_k_lower[] = "lower"; 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__pyx_pw_7aiohttp_12_http_parser_17RawRequestMessage_3__repr__, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser_RawRequestMessage, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser_RawRequestMessage, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7aiohttp_12_http_parser_RawRequestMessage, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7aiohttp_12_http_parser_RawRequestMessage, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7aiohttp_12_http_parser_17RawRequestMessage_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser_RawRequestMessage, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *__pyx_freelist_7aiohttp_12_http_parser_RawResponseMessage[250]; +static int __pyx_freecount_7aiohttp_12_http_parser_RawResponseMessage = 0; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser_RawResponseMessage(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *p; + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7aiohttp_12_http_parser_RawResponseMessage > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage)) & ((t->tp_flags & (Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_HEAPTYPE)) == 0))) { + o = (PyObject*)__pyx_freelist_7aiohttp_12_http_parser_RawResponseMessage[--__pyx_freecount_7aiohttp_12_http_parser_RawResponseMessage]; + memset(o, 0, sizeof(struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + } + p = ((struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *)o); + p->version = Py_None; Py_INCREF(Py_None); + p->reason = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->headers = Py_None; Py_INCREF(Py_None); + p->raw_headers = Py_None; Py_INCREF(Py_None); + p->should_close = Py_None; Py_INCREF(Py_None); + p->compression = Py_None; Py_INCREF(Py_None); + p->upgrade = Py_None; Py_INCREF(Py_None); + p->chunked = Py_None; Py_INCREF(Py_None); + return o; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser_RawResponseMessage(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *p = (struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *)o; + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + PyObject_GC_UnTrack(o); + Py_CLEAR(p->version); + Py_CLEAR(p->reason); + Py_CLEAR(p->headers); + Py_CLEAR(p->raw_headers); + Py_CLEAR(p->should_close); + Py_CLEAR(p->compression); + Py_CLEAR(p->upgrade); + Py_CLEAR(p->chunked); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7aiohttp_12_http_parser_RawResponseMessage < 250) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage)) & ((Py_TYPE(o)->tp_flags & (Py_TPFLAGS_IS_ABSTRACT | Py_TPFLAGS_HEAPTYPE)) == 0))) { + __pyx_freelist_7aiohttp_12_http_parser_RawResponseMessage[__pyx_freecount_7aiohttp_12_http_parser_RawResponseMessage++] = ((struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser_RawResponseMessage(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *p = (struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *)o; + if (p->version) { + e = (*v)(p->version, a); if (e) return e; + } + if (p->headers) { + e = (*v)(p->headers, a); if (e) return e; + } + if (p->raw_headers) { + e = (*v)(p->raw_headers, a); if (e) return e; + } + if (p->should_close) { + e = (*v)(p->should_close, a); if (e) return e; + } + if (p->compression) { + e = (*v)(p->compression, a); if (e) return e; + } + if (p->upgrade) { + e = (*v)(p->upgrade, a); if (e) return e; + } + if (p->chunked) { + e = (*v)(p->chunked, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7aiohttp_12_http_parser_RawResponseMessage(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *p = (struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage *)o; + tmp = ((PyObject*)p->version); + p->version = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->headers); + p->headers = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->raw_headers); + p->raw_headers = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->should_close); + p->should_close = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->compression); + p->compression = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->upgrade); + p->upgrade = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->chunked); + p->chunked = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_version(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_7version_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_code(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_4code_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_reason(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_6reason_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_headers(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_7headers_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_raw_headers(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_11raw_headers_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_should_close(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_12should_close_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_compression(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_11compression_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_upgrade(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_7upgrade_1__get__(o); +} + +static PyObject *__pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_chunked(PyObject *o, CYTHON_UNUSED void *x) { + return __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_7chunked_1__get__(o); +} + +static PyMethodDef __pyx_methods_7aiohttp_12_http_parser_RawResponseMessage[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_5__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_7__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static struct PyGetSetDef __pyx_getsets_7aiohttp_12_http_parser_RawResponseMessage[] = { + {(char *)"version", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_version, 0, (char *)0, 0}, + {(char *)"code", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_code, 0, (char *)0, 0}, + {(char *)"reason", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_reason, 0, (char *)0, 0}, + {(char *)"headers", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_headers, 0, (char *)0, 0}, + {(char *)"raw_headers", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_raw_headers, 0, (char *)0, 0}, + {(char *)"should_close", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_should_close, 0, (char *)0, 0}, + {(char *)"compression", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_compression, 0, (char *)0, 0}, + {(char *)"upgrade", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_upgrade, 0, (char *)0, 0}, + {(char *)"chunked", __pyx_getprop_7aiohttp_12_http_parser_18RawResponseMessage_chunked, 0, (char *)0, 0}, + {0, 0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser_RawResponseMessage = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.RawResponseMessage", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser_RawResponseMessage), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser_RawResponseMessage, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_3__repr__, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser_RawResponseMessage, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser_RawResponseMessage, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7aiohttp_12_http_parser_RawResponseMessage, /*tp_methods*/ + 0, /*tp_members*/ + __pyx_getsets_7aiohttp_12_http_parser_RawResponseMessage, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7aiohttp_12_http_parser_18RawResponseMessage_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser_RawResponseMessage, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser __pyx_vtable_7aiohttp_12_http_parser_HttpParser; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser_HttpParser(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *p; + PyObject *o; + if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) { + o = (*t->tp_alloc)(t, 0); + } else { + o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0); + } + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *)o); + p->__pyx_vtab = __pyx_vtabptr_7aiohttp_12_http_parser_HttpParser; + p->_raw_name = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_raw_value = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_protocol = Py_None; Py_INCREF(Py_None); + p->_loop = Py_None; Py_INCREF(Py_None); + p->_timer = Py_None; Py_INCREF(Py_None); + p->_url = Py_None; Py_INCREF(Py_None); + p->_buf = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_path = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_reason = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_headers = Py_None; Py_INCREF(Py_None); + p->_raw_headers = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_messages = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->_payload = Py_None; Py_INCREF(Py_None); + p->_payload_exception = Py_None; Py_INCREF(Py_None); + p->_last_error = Py_None; Py_INCREF(Py_None); + p->_content_encoding = ((PyObject*)Py_None); Py_INCREF(Py_None); + p->py_buf.obj = NULL; + if (unlikely(__pyx_pw_7aiohttp_12_http_parser_10HttpParser_1__cinit__(o, __pyx_empty_tuple, NULL) < 0)) goto bad; + return o; + bad: + Py_DECREF(o); o = 0; + return NULL; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser_HttpParser(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *p = (struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *)o; + #if CYTHON_USE_TP_FINALIZE + if (unlikely(PyType_HasFeature(Py_TYPE(o), Py_TPFLAGS_HAVE_FINALIZE) && Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) { + if (PyObject_CallFinalizerFromDealloc(o)) return; + } + #endif + PyObject_GC_UnTrack(o); + { + PyObject *etype, *eval, *etb; + PyErr_Fetch(&etype, &eval, &etb); + __Pyx_SET_REFCNT(o, Py_REFCNT(o) + 1); + __pyx_pw_7aiohttp_12_http_parser_10HttpParser_3__dealloc__(o); + __Pyx_SET_REFCNT(o, Py_REFCNT(o) - 1); + PyErr_Restore(etype, eval, etb); + } + Py_CLEAR(p->_raw_name); + Py_CLEAR(p->_raw_value); + Py_CLEAR(p->_protocol); + Py_CLEAR(p->_loop); + Py_CLEAR(p->_timer); + Py_CLEAR(p->_url); + Py_CLEAR(p->_buf); + Py_CLEAR(p->_path); + Py_CLEAR(p->_reason); + Py_CLEAR(p->_headers); + Py_CLEAR(p->_raw_headers); + Py_CLEAR(p->_messages); + Py_CLEAR(p->_payload); + Py_CLEAR(p->_payload_exception); + Py_CLEAR(p->_last_error); + Py_CLEAR(p->_content_encoding); + (*Py_TYPE(o)->tp_free)(o); +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser_HttpParser(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *p = (struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *)o; + if (p->_protocol) { + e = (*v)(p->_protocol, a); if (e) return e; + } + if (p->_loop) { + e = (*v)(p->_loop, a); if (e) return e; + } + if (p->_timer) { + e = (*v)(p->_timer, a); if (e) return e; + } + if (p->_url) { + e = (*v)(p->_url, a); if (e) return e; + } + if (p->_headers) { + e = (*v)(p->_headers, a); if (e) return e; + } + if (p->_raw_headers) { + e = (*v)(p->_raw_headers, a); if (e) return e; + } + if (p->_messages) { + e = (*v)(p->_messages, a); if (e) return e; + } + if (p->_payload) { + e = (*v)(p->_payload, a); if (e) return e; + } + if (p->_payload_exception) { + e = (*v)(p->_payload_exception, a); if (e) return e; + } + if (p->_last_error) { + e = (*v)(p->_last_error, a); if (e) return e; + } + if (p->py_buf.obj) { + e = (*v)(p->py_buf.obj, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7aiohttp_12_http_parser_HttpParser(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *p = (struct __pyx_obj_7aiohttp_12_http_parser_HttpParser *)o; + tmp = ((PyObject*)p->_protocol); + p->_protocol = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_loop); + p->_loop = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_timer); + p->_timer = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_url); + p->_url = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_headers); + p->_headers = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_raw_headers); + p->_raw_headers = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_messages); + p->_messages = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_payload); + p->_payload = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_payload_exception); + p->_payload_exception = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + tmp = ((PyObject*)p->_last_error); + p->_last_error = Py_None; Py_INCREF(Py_None); + Py_XDECREF(tmp); + Py_CLEAR(p->py_buf.obj); + return 0; +} + +static PyMethodDef __pyx_methods_7aiohttp_12_http_parser_HttpParser[] = { + {"feed_eof", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_10HttpParser_5feed_eof, METH_NOARGS, 0}, + {"feed_data", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_10HttpParser_7feed_data, METH_O, 0}, + {"set_upgraded", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_10HttpParser_9set_upgraded, METH_O, 0}, + {"__reduce_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_10HttpParser_11__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_10HttpParser_13__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser_HttpParser = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.HttpParser", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser_HttpParser), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser_HttpParser, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser_HttpParser, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser_HttpParser, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7aiohttp_12_http_parser_HttpParser, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser_HttpParser, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpRequestParser __pyx_vtable_7aiohttp_12_http_parser_HttpRequestParser; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser_HttpRequestParser(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser *p; + PyObject *o = __pyx_tp_new_7aiohttp_12_http_parser_HttpParser(t, a, k); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser *)o); + p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser*)__pyx_vtabptr_7aiohttp_12_http_parser_HttpRequestParser; + return o; +} + +static PyMethodDef __pyx_methods_7aiohttp_12_http_parser_HttpRequestParser[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_17HttpRequestParser_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_17HttpRequestParser_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser_HttpRequestParser = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.HttpRequestParser", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser_HttpRequestParser), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser_HttpParser, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser_HttpParser, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser_HttpParser, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7aiohttp_12_http_parser_HttpRequestParser, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7aiohttp_12_http_parser_17HttpRequestParser_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser_HttpRequestParser, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; +static struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpResponseParser __pyx_vtable_7aiohttp_12_http_parser_HttpResponseParser; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser_HttpResponseParser(PyTypeObject *t, PyObject *a, PyObject *k) { + struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser *p; + PyObject *o = __pyx_tp_new_7aiohttp_12_http_parser_HttpParser(t, a, k); + if (unlikely(!o)) return 0; + p = ((struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser *)o); + p->__pyx_base.__pyx_vtab = (struct __pyx_vtabstruct_7aiohttp_12_http_parser_HttpParser*)__pyx_vtabptr_7aiohttp_12_http_parser_HttpResponseParser; + return o; +} + +static PyMethodDef __pyx_methods_7aiohttp_12_http_parser_HttpResponseParser[] = { + {"__reduce_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_18HttpResponseParser_3__reduce_cython__, METH_NOARGS, 0}, + {"__setstate_cython__", (PyCFunction)__pyx_pw_7aiohttp_12_http_parser_18HttpResponseParser_5__setstate_cython__, METH_O, 0}, + {0, 0, 0, 0} +}; + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser_HttpResponseParser = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.HttpResponseParser", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser_HttpResponseParser), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser_HttpParser, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser_HttpParser, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser_HttpParser, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + __pyx_methods_7aiohttp_12_http_parser_HttpResponseParser, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + __pyx_pw_7aiohttp_12_http_parser_18HttpResponseParser_1__init__, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser_HttpResponseParser, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct____repr__[8]; +static int __pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct____repr__ = 0; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser___pyx_scope_struct____repr__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct____repr__ > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__)))) { + o = (PyObject*)__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct____repr__[--__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct____repr__]; + memset(o, 0, sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct____repr__(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_info); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct____repr__ < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__)))) { + __pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct____repr__[__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct____repr__++] = ((struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct____repr__(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *)o; + if (p->__pyx_v_info) { + e = (*v)(p->__pyx_v_info, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7aiohttp_12_http_parser___pyx_scope_struct____repr__(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__ *)o; + tmp = ((PyObject*)p->__pyx_v_info); + p->__pyx_v_info = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser___pyx_scope_struct____repr__ = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.__pyx_scope_struct____repr__", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct____repr__), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct____repr__, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct____repr__, /*tp_traverse*/ + __pyx_tp_clear_7aiohttp_12_http_parser___pyx_scope_struct____repr__, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser___pyx_scope_struct____repr__, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr[8]; +static int __pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr = 0; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr)))) { + o = (PyObject*)__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr[--__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_name); + Py_CLEAR(p->__pyx_v_val); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr)))) { + __pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr[__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr++] = ((struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_name) { + e = (*v)(p->__pyx_v_name, a); if (e) return e; + } + if (p->__pyx_v_val) { + e = (*v)(p->__pyx_v_val, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.__pyx_scope_struct_1_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr, /*tp_traverse*/ + 0, /*tp_clear*/ + 0, /*tp_richcompare*/ + 0, /*tp_weaklistoffset*/ + 0, /*tp_iter*/ + 0, /*tp_iternext*/ + 0, /*tp_methods*/ + 0, /*tp_members*/ + 0, /*tp_getset*/ + 0, /*tp_base*/ + 0, /*tp_dict*/ + 0, /*tp_descr_get*/ + 0, /*tp_descr_set*/ + 0, /*tp_dictoffset*/ + 0, /*tp_init*/ + 0, /*tp_alloc*/ + __pyx_tp_new_7aiohttp_12_http_parser___pyx_scope_struct_1_genexpr, /*tp_new*/ + 0, /*tp_free*/ + 0, /*tp_is_gc*/ + 0, /*tp_bases*/ + 0, /*tp_mro*/ + 0, /*tp_cache*/ + 0, /*tp_subclasses*/ + 0, /*tp_weaklist*/ + 0, /*tp_del*/ + 0, /*tp_version_tag*/ + #if PY_VERSION_HEX >= 0x030400a1 + 0, /*tp_finalize*/ + #endif + #if PY_VERSION_HEX >= 0x030800b1 + 0, /*tp_vectorcall*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, /*tp_print*/ + #endif +}; + +static struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__[8]; +static int __pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ = 0; + +static PyObject *__pyx_tp_new_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) { + PyObject *o; + if (CYTHON_COMPILING_IN_CPYTHON && likely((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ > 0) & (t->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__)))) { + o = (PyObject*)__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__[--__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__]; + memset(o, 0, sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_v_info); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__)))) { + __pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__[__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__++] = ((struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *)o; + if (p->__pyx_v_info) { + e = (*v)(p->__pyx_v_info, a); if (e) return e; + } + return 0; +} + +static int __pyx_tp_clear_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__(PyObject *o) { + PyObject* tmp; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ *)o; + tmp = ((PyObject*)p->__pyx_v_info); + p->__pyx_v_info = ((PyObject*)Py_None); Py_INCREF(Py_None); + Py_XDECREF(tmp); + return 0; +} + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__ = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.__pyx_scope_struct_2___repr__", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_2___repr__, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if 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__pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr)))) { + o = (PyObject*)__pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr[--__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr]; + memset(o, 0, sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr)); + (void) PyObject_INIT(o, t); + PyObject_GC_Track(o); + } else { + o = (*t->tp_alloc)(t, 0); + if (unlikely(!o)) return 0; + } + return o; +} + +static void __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr(PyObject *o) { + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr *)o; + PyObject_GC_UnTrack(o); + Py_CLEAR(p->__pyx_outer_scope); + Py_CLEAR(p->__pyx_v_name); + Py_CLEAR(p->__pyx_v_val); + if (CYTHON_COMPILING_IN_CPYTHON && ((__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr < 8) & (Py_TYPE(o)->tp_basicsize == sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr)))) { + __pyx_freelist_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr[__pyx_freecount_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr++] = ((struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr *)o); + } else { + (*Py_TYPE(o)->tp_free)(o); + } +} + +static int __pyx_tp_traverse_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr(PyObject *o, visitproc v, void *a) { + int e; + struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr *p = (struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr *)o; + if (p->__pyx_outer_scope) { + e = (*v)(((PyObject *)p->__pyx_outer_scope), a); if (e) return e; + } + if (p->__pyx_v_name) { + e = (*v)(p->__pyx_v_name, a); if (e) return e; + } + if (p->__pyx_v_val) { + e = (*v)(p->__pyx_v_val, a); if (e) return e; + } + return 0; +} + +static PyTypeObject __pyx_type_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr = { + PyVarObject_HEAD_INIT(0, 0) + "aiohttp._http_parser.__pyx_scope_struct_3_genexpr", /*tp_name*/ + sizeof(struct __pyx_obj_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr), /*tp_basicsize*/ + 0, /*tp_itemsize*/ + __pyx_tp_dealloc_7aiohttp_12_http_parser___pyx_scope_struct_3_genexpr, /*tp_dealloc*/ + #if PY_VERSION_HEX < 0x030800b4 + 0, /*tp_print*/ + #endif + #if PY_VERSION_HEX >= 0x030800b4 + 0, /*tp_vectorcall_offset*/ + #endif + 0, /*tp_getattr*/ + 0, /*tp_setattr*/ + #if PY_MAJOR_VERSION < 3 + 0, /*tp_compare*/ + #endif + #if PY_MAJOR_VERSION >= 3 + 0, /*tp_as_async*/ + #endif + 0, /*tp_repr*/ + 0, /*tp_as_number*/ + 0, /*tp_as_sequence*/ + 0, /*tp_as_mapping*/ + 0, /*tp_hash*/ + 0, /*tp_call*/ + 0, /*tp_str*/ + 0, /*tp_getattro*/ + 0, /*tp_setattro*/ + 0, /*tp_as_buffer*/ + Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_HAVE_GC, /*tp_flags*/ + 0, /*tp_doc*/ + 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+ if (start < 0) + start = 0; + } + if (stop < 0) + stop += length; + } + if (stop > length) + stop = length; + if (unlikely(stop <= start)) + return __Pyx_NewRef(__pyx_empty_unicode); + length = stop - start; + cstring += start; + if (decode_func) { + return decode_func(cstring, length, errors); + } else { + return PyUnicode_Decode(cstring, length, encoding, errors); + } +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* None */ +static CYTHON_INLINE void __Pyx_RaiseClosureNameError(const char *varname) { + PyErr_Format(PyExc_NameError, "free variable '%s' referenced before assignment in enclosing scope", varname); +} + +/* RaiseTooManyValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { + PyErr_Format(PyExc_ValueError, + "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected); +} + +/* RaiseNeedMoreValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { + PyErr_Format(PyExc_ValueError, + "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack", + index, (index == 1) ? "" : "s"); +} + +/* IterFinish */ +static CYTHON_INLINE int __Pyx_IterFinish(void) { +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* exc_type = tstate->curexc_type; + if (unlikely(exc_type)) { + if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) { + PyObject *exc_value, *exc_tb; + exc_value = tstate->curexc_value; + exc_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; + Py_DECREF(exc_type); + Py_XDECREF(exc_value); + Py_XDECREF(exc_tb); + return 0; + } else { + return -1; + } + } + return 0; +#else + if (unlikely(PyErr_Occurred())) { + if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) { + PyErr_Clear(); + return 0; + } else { + return -1; + } + } + return 0; +#endif +} + +/* UnpackItemEndCheck */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) { + if (unlikely(retval)) { + Py_DECREF(retval); + __Pyx_RaiseTooManyValuesError(expected); + return -1; + } else { + return __Pyx_IterFinish(); + } + return 0; +} + +/* KeywordStringCheck */ +static int __Pyx_CheckKeywordStrings( + PyObject *kwdict, + const char* function_name, + int kw_allowed) +{ + PyObject* key = 0; + Py_ssize_t pos = 0; +#if CYTHON_COMPILING_IN_PYPY + if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0)) + goto invalid_keyword; + return 1; +#else + while (PyDict_Next(kwdict, &pos, &key, 0)) { + #if PY_MAJOR_VERSION < 3 + if (unlikely(!PyString_Check(key))) + #endif + if (unlikely(!PyUnicode_Check(key))) + goto invalid_keyword_type; + } + if ((!kw_allowed) && unlikely(key)) + goto invalid_keyword; + return 1; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + return 0; +#endif +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif + return 0; +} + +/* ExtTypeTest */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) { + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + if (likely(__Pyx_TypeCheck(obj, type))) + return 1; + PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s", + Py_TYPE(obj)->tp_name, type->tp_name); + return 0; +} + +/* DictGetItem */ +#if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY +static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) { + PyObject *value; + value = PyDict_GetItemWithError(d, key); + if (unlikely(!value)) { + if (!PyErr_Occurred()) { + if (unlikely(PyTuple_Check(key))) { + PyObject* args = PyTuple_Pack(1, key); + if (likely(args)) { + PyErr_SetObject(PyExc_KeyError, args); + Py_DECREF(args); + } + } else { + PyErr_SetObject(PyExc_KeyError, key); + } + } + return NULL; + } + Py_INCREF(value); + return value; +} +#endif + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* BytesEquals */ +static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else + if (s1 == s2) { + return (equals == Py_EQ); + } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) { + const char *ps1, *ps2; + Py_ssize_t length = PyBytes_GET_SIZE(s1); + if (length != PyBytes_GET_SIZE(s2)) + return (equals == Py_NE); + ps1 = PyBytes_AS_STRING(s1); + ps2 = PyBytes_AS_STRING(s2); + if (ps1[0] != ps2[0]) { + return (equals == Py_NE); + } else if (length == 1) { + return (equals == Py_EQ); + } else { + int result; +#if CYTHON_USE_UNICODE_INTERNALS + Py_hash_t hash1, hash2; + hash1 = ((PyBytesObject*)s1)->ob_shash; + hash2 = ((PyBytesObject*)s2)->ob_shash; + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + return (equals == Py_NE); + } +#endif + result = memcmp(ps1, ps2, (size_t)length); + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) { + return (equals == Py_NE); + } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) { + return (equals == Py_NE); + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +#endif +} + +/* UnicodeEquals */ +static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) { +#if CYTHON_COMPILING_IN_PYPY + return PyObject_RichCompareBool(s1, s2, equals); +#else +#if PY_MAJOR_VERSION < 3 + PyObject* owned_ref = NULL; +#endif + int s1_is_unicode, s2_is_unicode; + if (s1 == s2) { + goto return_eq; + } + s1_is_unicode = PyUnicode_CheckExact(s1); + s2_is_unicode = PyUnicode_CheckExact(s2); +#if PY_MAJOR_VERSION < 3 + if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) { + owned_ref = PyUnicode_FromObject(s2); + if (unlikely(!owned_ref)) + return -1; + s2 = owned_ref; + s2_is_unicode = 1; + } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) { + owned_ref = PyUnicode_FromObject(s1); + if (unlikely(!owned_ref)) + return -1; + s1 = owned_ref; + s1_is_unicode = 1; + } else if (((!s2_is_unicode) & (!s1_is_unicode))) { + return __Pyx_PyBytes_Equals(s1, s2, equals); + } +#endif + if (s1_is_unicode & s2_is_unicode) { + Py_ssize_t length; + int kind; + void *data1, *data2; + if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0)) + return -1; + length = __Pyx_PyUnicode_GET_LENGTH(s1); + if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) { + goto return_ne; + } +#if CYTHON_USE_UNICODE_INTERNALS + { + Py_hash_t hash1, hash2; + #if CYTHON_PEP393_ENABLED + hash1 = ((PyASCIIObject*)s1)->hash; + hash2 = ((PyASCIIObject*)s2)->hash; + #else + hash1 = ((PyUnicodeObject*)s1)->hash; + hash2 = ((PyUnicodeObject*)s2)->hash; + #endif + if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { + goto return_ne; + } + } +#endif + kind = __Pyx_PyUnicode_KIND(s1); + if (kind != __Pyx_PyUnicode_KIND(s2)) { + goto return_ne; + } + data1 = __Pyx_PyUnicode_DATA(s1); + data2 = __Pyx_PyUnicode_DATA(s2); + if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) { + goto return_ne; + } else if (length == 1) { + goto return_eq; + } else { + int result = memcmp(data1, data2, (size_t)(length * kind)); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ) ? (result == 0) : (result != 0); + } + } else if ((s1 == Py_None) & s2_is_unicode) { + goto return_ne; + } else if ((s2 == Py_None) & s1_is_unicode) { + goto return_ne; + } else { + int result; + PyObject* py_result = PyObject_RichCompare(s1, s2, equals); + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + if (!py_result) + return -1; + result = __Pyx_PyObject_IsTrue(py_result); + Py_DECREF(py_result); + return result; + } +return_eq: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_EQ); +return_ne: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(owned_ref); + #endif + return (equals == Py_NE); +#endif +} + +/* SliceObject */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj, + Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice, + int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) { +#if CYTHON_USE_TYPE_SLOTS + PyMappingMethods* mp; +#if PY_MAJOR_VERSION < 3 + PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence; + if (likely(ms && ms->sq_slice)) { + if (!has_cstart) { + if (_py_start && (*_py_start != Py_None)) { + cstart = __Pyx_PyIndex_AsSsize_t(*_py_start); + if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstart = 0; + } + if (!has_cstop) { + if (_py_stop && (*_py_stop != Py_None)) { + cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop); + if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstop = PY_SSIZE_T_MAX; + } + if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) { + Py_ssize_t l = ms->sq_length(obj); + if (likely(l >= 0)) { + if (cstop < 0) { + cstop += l; + if (cstop < 0) cstop = 0; + } + if (cstart < 0) { + cstart += l; + if (cstart < 0) cstart = 0; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + goto bad; + PyErr_Clear(); + } + } + return ms->sq_slice(obj, cstart, cstop); + } +#endif + mp = Py_TYPE(obj)->tp_as_mapping; + if (likely(mp && mp->mp_subscript)) +#endif + { + PyObject* result; + PyObject *py_slice, *py_start, *py_stop; + if (_py_slice) { + py_slice = *_py_slice; + } else { + PyObject* owned_start = NULL; + PyObject* owned_stop = NULL; + if (_py_start) { + py_start = *_py_start; + } else { + if (has_cstart) { + owned_start = py_start = PyInt_FromSsize_t(cstart); + if (unlikely(!py_start)) goto bad; + } else + py_start = Py_None; + } + if (_py_stop) { + py_stop = *_py_stop; + } else { + if (has_cstop) { + owned_stop = py_stop = PyInt_FromSsize_t(cstop); + if (unlikely(!py_stop)) { + Py_XDECREF(owned_start); + goto bad; + } + } else + py_stop = Py_None; + } + py_slice = PySlice_New(py_start, py_stop, Py_None); + Py_XDECREF(owned_start); + Py_XDECREF(owned_stop); + if (unlikely(!py_slice)) goto bad; + } +#if CYTHON_USE_TYPE_SLOTS + result = mp->mp_subscript(obj, py_slice); +#else + result = PyObject_GetItem(obj, py_slice); +#endif + if (!_py_slice) { + Py_DECREF(py_slice); + } + return result; + } + PyErr_Format(PyExc_TypeError, + "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name); +bad: + return NULL; +} + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* SwapException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = *type; + exc_info->exc_value = *value; + exc_info->exc_traceback = *tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = *type; + tstate->exc_value = *value; + tstate->exc_traceback = *tb; + #endif + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb); + PyErr_SetExcInfo(*type, *value, *tb); + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#endif + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* decode_c_string */ +static CYTHON_INLINE PyObject* __Pyx_decode_c_string( + const char* cstring, Py_ssize_t start, Py_ssize_t stop, + const char* encoding, const char* errors, + PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) { + Py_ssize_t length; + if (unlikely((start < 0) | (stop < 0))) { + size_t slen = strlen(cstring); + if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) { + PyErr_SetString(PyExc_OverflowError, + "c-string too long to convert to Python"); + return NULL; + } + length = (Py_ssize_t) slen; + if (start < 0) { + start += length; + if (start < 0) + start = 0; + } + if (stop < 0) + stop += length; + } + if (unlikely(stop <= start)) + return __Pyx_NewRef(__pyx_empty_unicode); + length = stop - start; + cstring += start; + if (decode_func) { + return decode_func(cstring, length, errors); + } else { + return PyUnicode_Decode(cstring, length, encoding, errors); + } +} + +/* UnpackUnboundCMethod */ +static int __Pyx_TryUnpackUnboundCMethod(__Pyx_CachedCFunction* target) { + PyObject *method; + method = __Pyx_PyObject_GetAttrStr(target->type, *target->method_name); + if (unlikely(!method)) + return -1; + target->method = method; +#if CYTHON_COMPILING_IN_CPYTHON + #if PY_MAJOR_VERSION >= 3 + if (likely(__Pyx_TypeCheck(method, &PyMethodDescr_Type))) + #endif + { + PyMethodDescrObject *descr = (PyMethodDescrObject*) method; + target->func = descr->d_method->ml_meth; + target->flag = descr->d_method->ml_flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_STACKLESS); + } +#endif + return 0; +} + +/* CallUnboundCMethod1 */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg) { + if (likely(cfunc->func)) { + int flag = cfunc->flag; + if (flag == METH_O) { + return (*(cfunc->func))(self, arg); + } else if (PY_VERSION_HEX >= 0x030600B1 && flag == METH_FASTCALL) { + if (PY_VERSION_HEX >= 0x030700A0) { + return (*(__Pyx_PyCFunctionFast)(void*)(PyCFunction)cfunc->func)(self, &arg, 1); + } else { + return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, &arg, 1, NULL); + } + } else if (PY_VERSION_HEX >= 0x030700A0 && flag == (METH_FASTCALL | METH_KEYWORDS)) { + return (*(__Pyx_PyCFunctionFastWithKeywords)(void*)(PyCFunction)cfunc->func)(self, &arg, 1, NULL); + } + } + return __Pyx__CallUnboundCMethod1(cfunc, self, arg); +} +#endif +static PyObject* __Pyx__CallUnboundCMethod1(__Pyx_CachedCFunction* cfunc, PyObject* self, PyObject* arg){ + PyObject *args, *result = NULL; + if (unlikely(!cfunc->func && !cfunc->method) && unlikely(__Pyx_TryUnpackUnboundCMethod(cfunc) < 0)) return NULL; +#if CYTHON_COMPILING_IN_CPYTHON + if (cfunc->func && (cfunc->flag & METH_VARARGS)) { + args = PyTuple_New(1); + if (unlikely(!args)) goto bad; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + if (cfunc->flag & METH_KEYWORDS) + result = (*(PyCFunctionWithKeywords)(void*)(PyCFunction)cfunc->func)(self, args, NULL); + else + result = (*cfunc->func)(self, args); + } else { + args = PyTuple_New(2); + if (unlikely(!args)) goto bad; + Py_INCREF(self); + PyTuple_SET_ITEM(args, 0, self); + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 1, arg); + result = __Pyx_PyObject_Call(cfunc->method, args, NULL); + } +#else + args = PyTuple_Pack(2, self, arg); + if (unlikely(!args)) goto bad; + result = __Pyx_PyObject_Call(cfunc->method, args, NULL); +#endif +bad: + Py_XDECREF(args); + return result; +} + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* SetVTable */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable) { +#if PY_VERSION_HEX >= 0x02070000 + PyObject *ob = PyCapsule_New(vtable, 0, 0); +#else + PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); +#endif + if (!ob) + goto bad; + if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) + goto bad; + Py_DECREF(ob); + return 0; +bad: + Py_XDECREF(ob); + return -1; +} + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int), + little, !is_unsigned); + } +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_int(unsigned int value) { + const unsigned int neg_one = (unsigned int) ((unsigned int) 0 - (unsigned int) 1), const_zero = (unsigned int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(unsigned int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(unsigned int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(unsigned int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(unsigned int), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_unsigned_short(unsigned short value) { + const unsigned short neg_one = (unsigned short) ((unsigned short) 0 - (unsigned short) 1), const_zero = (unsigned short) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(unsigned short) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(unsigned short) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned short) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(unsigned short) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(unsigned short) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(unsigned short), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint16_t(uint16_t value) { + const uint16_t neg_one = (uint16_t) ((uint16_t) 0 - (uint16_t) 1), const_zero = (uint16_t) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(uint16_t) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(uint16_t) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint16_t) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(uint16_t) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint16_t) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(uint16_t), + little, !is_unsigned); + } +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE enum http_method __Pyx_PyInt_As_enum__http_method(PyObject *x) { + const enum http_method neg_one = (enum http_method) ((enum http_method) 0 - (enum http_method) 1), const_zero = (enum http_method) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(enum http_method) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(enum http_method, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (enum http_method) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum http_method) 0; + case 1: __PYX_VERIFY_RETURN_INT(enum http_method, digit, digits[0]) + case 2: + if (8 * sizeof(enum http_method) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) >= 2 * PyLong_SHIFT) { + return (enum http_method) (((((enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(enum http_method) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) >= 3 * PyLong_SHIFT) { + return (enum http_method) (((((((enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(enum http_method) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) >= 4 * PyLong_SHIFT) { + return (enum http_method) (((((((((enum http_method)digits[3]) << PyLong_SHIFT) | (enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (enum http_method) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(enum http_method) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum http_method, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum http_method) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum http_method, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (enum http_method) 0; + case -1: __PYX_VERIFY_RETURN_INT(enum http_method, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(enum http_method, digit, +digits[0]) + case -2: + if (8 * sizeof(enum http_method) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 2 * PyLong_SHIFT) { + return (enum http_method) (((enum http_method)-1)*(((((enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(enum http_method) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 2 * PyLong_SHIFT) { + return (enum http_method) ((((((enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(enum http_method) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 3 * PyLong_SHIFT) { + return (enum http_method) (((enum http_method)-1)*(((((((enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(enum http_method) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 3 * PyLong_SHIFT) { + return (enum http_method) ((((((((enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(enum http_method) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 4 * PyLong_SHIFT) { + return (enum http_method) (((enum http_method)-1)*(((((((((enum http_method)digits[3]) << PyLong_SHIFT) | (enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(enum http_method) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(enum http_method, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(enum http_method) - 1 > 4 * PyLong_SHIFT) { + return (enum http_method) ((((((((((enum http_method)digits[3]) << PyLong_SHIFT) | (enum http_method)digits[2]) << PyLong_SHIFT) | (enum http_method)digits[1]) << PyLong_SHIFT) | (enum http_method)digits[0]))); + } + } + break; + } +#endif + if (sizeof(enum http_method) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(enum http_method, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(enum http_method) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(enum http_method, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + enum http_method val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (enum http_method) -1; + } + } else { + enum http_method val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (enum http_method) -1; + val = __Pyx_PyInt_As_enum__http_method(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to enum http_method"); + return (enum http_method) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to enum http_method"); + return (enum http_method) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE size_t __Pyx_PyInt_As_size_t(PyObject *x) { + const size_t neg_one = (size_t) ((size_t) 0 - (size_t) 1), const_zero = (size_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(size_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(size_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (size_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (size_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(size_t, digit, digits[0]) + case 2: + if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) >= 2 * PyLong_SHIFT) { + return (size_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) >= 3 * PyLong_SHIFT) { + return (size_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) >= 4 * PyLong_SHIFT) { + return (size_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (size_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(size_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(size_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(size_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (size_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(size_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(size_t, digit, +digits[0]) + case -2: + if (8 * sizeof(size_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) { + return (size_t) (((size_t)-1)*(((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(size_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) { + return (size_t) ((((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(size_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) { + return (size_t) (((size_t)-1)*(((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(size_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) { + return (size_t) ((((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(size_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) { + return (size_t) (((size_t)-1)*(((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(size_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(size_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(size_t) - 1 > 4 * PyLong_SHIFT) { + return (size_t) ((((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(size_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(size_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(size_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(size_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + size_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (size_t) -1; + } + } else { + size_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (size_t) -1; + val = __Pyx_PyInt_As_size_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to size_t"); + return (size_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to size_t"); + return (size_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; itp_name); + if (cached_type) { + if (!PyType_Check((PyObject*)cached_type)) { + PyErr_Format(PyExc_TypeError, + "Shared Cython type %.200s is not a type object", + type->tp_name); + goto bad; + } + if (cached_type->tp_basicsize != type->tp_basicsize) { + PyErr_Format(PyExc_TypeError, + "Shared Cython type %.200s has the wrong size, try recompiling", + type->tp_name); + goto bad; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) goto bad; + PyErr_Clear(); + if (PyType_Ready(type) < 0) goto bad; + if (PyObject_SetAttrString(fake_module, type->tp_name, (PyObject*) type) < 0) + goto bad; + Py_INCREF(type); + cached_type = type; + } +done: + Py_DECREF(fake_module); + return cached_type; +bad: + Py_XDECREF(cached_type); + cached_type = NULL; + goto done; +} + +/* PyObjectGetMethod */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) { + PyObject *attr; +#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP + PyTypeObject *tp = Py_TYPE(obj); + PyObject *descr; + descrgetfunc f = NULL; + PyObject **dictptr, *dict; + int meth_found = 0; + assert (*method == NULL); + if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) { + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; + } + if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) { + return 0; + } + descr = _PyType_Lookup(tp, name); + if (likely(descr != NULL)) { + Py_INCREF(descr); +#if PY_MAJOR_VERSION >= 3 + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type))) + #endif +#else + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr))) + #endif +#endif + { + meth_found = 1; + } else { + f = Py_TYPE(descr)->tp_descr_get; + if (f != NULL && PyDescr_IsData(descr)) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + } + } + dictptr = _PyObject_GetDictPtr(obj); + if (dictptr != NULL && (dict = *dictptr) != NULL) { + Py_INCREF(dict); + attr = __Pyx_PyDict_GetItemStr(dict, name); + if (attr != NULL) { + Py_INCREF(attr); + Py_DECREF(dict); + Py_XDECREF(descr); + goto try_unpack; + } + Py_DECREF(dict); + } + if (meth_found) { + *method = descr; + return 1; + } + if (f != NULL) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + if (descr != NULL) { + *method = descr; + return 0; + } + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(name)); +#endif + return 0; +#else + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; +#endif +try_unpack: +#if CYTHON_UNPACK_METHODS + if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) { + PyObject *function = PyMethod_GET_FUNCTION(attr); + Py_INCREF(function); + Py_DECREF(attr); + *method = function; + return 1; + } +#endif + *method = attr; + return 0; +} + +/* PyObjectCallMethod1 */ +static PyObject* __Pyx__PyObject_CallMethod1(PyObject* method, PyObject* arg) { + PyObject *result = __Pyx_PyObject_CallOneArg(method, arg); + Py_DECREF(method); + return result; +} +static PyObject* __Pyx_PyObject_CallMethod1(PyObject* obj, PyObject* method_name, PyObject* arg) { + PyObject *method = NULL, *result; + int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method); + if (likely(is_method)) { + result = __Pyx_PyObject_Call2Args(method, obj, arg); + Py_DECREF(method); + return result; + } + if (unlikely(!method)) return NULL; + return __Pyx__PyObject_CallMethod1(method, arg); +} + +/* CoroutineBase */ +#include +#include +#define __Pyx_Coroutine_Undelegate(gen) Py_CLEAR((gen)->yieldfrom) +static int __Pyx_PyGen__FetchStopIterationValue(CYTHON_UNUSED PyThreadState *__pyx_tstate, PyObject **pvalue) { + PyObject *et, *ev, *tb; + PyObject *value = NULL; + __Pyx_ErrFetch(&et, &ev, &tb); + if (!et) { + Py_XDECREF(tb); + Py_XDECREF(ev); + Py_INCREF(Py_None); + *pvalue = Py_None; + return 0; + } + if (likely(et == PyExc_StopIteration)) { + if (!ev) { + Py_INCREF(Py_None); + value = Py_None; + } +#if PY_VERSION_HEX >= 0x030300A0 + else if (Py_TYPE(ev) == (PyTypeObject*)PyExc_StopIteration) { + value = ((PyStopIterationObject *)ev)->value; + Py_INCREF(value); + Py_DECREF(ev); + } +#endif + else if (unlikely(PyTuple_Check(ev))) { + if (PyTuple_GET_SIZE(ev) >= 1) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + value = PyTuple_GET_ITEM(ev, 0); + Py_INCREF(value); +#else + value = PySequence_ITEM(ev, 0); +#endif + } else { + Py_INCREF(Py_None); + value = Py_None; + } + Py_DECREF(ev); + } + else if (!__Pyx_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration)) { + value = ev; + } + if (likely(value)) { + Py_XDECREF(tb); + Py_DECREF(et); + *pvalue = value; + return 0; + } + } else if (!__Pyx_PyErr_GivenExceptionMatches(et, PyExc_StopIteration)) { + __Pyx_ErrRestore(et, ev, tb); + return -1; + } + PyErr_NormalizeException(&et, &ev, &tb); + if (unlikely(!PyObject_TypeCheck(ev, (PyTypeObject*)PyExc_StopIteration))) { + __Pyx_ErrRestore(et, ev, tb); + return -1; + } + Py_XDECREF(tb); + Py_DECREF(et); +#if PY_VERSION_HEX >= 0x030300A0 + value = ((PyStopIterationObject *)ev)->value; + Py_INCREF(value); + Py_DECREF(ev); +#else + { + PyObject* args = __Pyx_PyObject_GetAttrStr(ev, __pyx_n_s_args); + Py_DECREF(ev); + if (likely(args)) { + value = PySequence_GetItem(args, 0); + Py_DECREF(args); + } + if (unlikely(!value)) { + __Pyx_ErrRestore(NULL, NULL, NULL); + Py_INCREF(Py_None); + value = Py_None; + } + } +#endif + *pvalue = value; + return 0; +} +static CYTHON_INLINE +void __Pyx_Coroutine_ExceptionClear(__Pyx_ExcInfoStruct *exc_state) { + PyObject *t, *v, *tb; + t = exc_state->exc_type; + v = exc_state->exc_value; + tb = exc_state->exc_traceback; + exc_state->exc_type = NULL; + exc_state->exc_value = NULL; + exc_state->exc_traceback = NULL; + Py_XDECREF(t); + Py_XDECREF(v); + Py_XDECREF(tb); +} +#define __Pyx_Coroutine_AlreadyRunningError(gen) (__Pyx__Coroutine_AlreadyRunningError(gen), (PyObject*)NULL) +static void __Pyx__Coroutine_AlreadyRunningError(CYTHON_UNUSED __pyx_CoroutineObject *gen) { + const char *msg; + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check((PyObject*)gen)) { + msg = "coroutine already executing"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact((PyObject*)gen)) { + msg = "async generator already executing"; + #endif + } else { + msg = "generator already executing"; + } + PyErr_SetString(PyExc_ValueError, msg); +} +#define __Pyx_Coroutine_NotStartedError(gen) (__Pyx__Coroutine_NotStartedError(gen), (PyObject*)NULL) +static void __Pyx__Coroutine_NotStartedError(CYTHON_UNUSED PyObject *gen) { + const char *msg; + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check(gen)) { + msg = "can't send non-None value to a just-started coroutine"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact(gen)) { + msg = "can't send non-None value to a just-started async generator"; + #endif + } else { + msg = "can't send non-None value to a just-started generator"; + } + PyErr_SetString(PyExc_TypeError, msg); +} +#define __Pyx_Coroutine_AlreadyTerminatedError(gen, value, closing) (__Pyx__Coroutine_AlreadyTerminatedError(gen, value, closing), (PyObject*)NULL) +static void __Pyx__Coroutine_AlreadyTerminatedError(CYTHON_UNUSED PyObject *gen, PyObject *value, CYTHON_UNUSED int closing) { + #ifdef __Pyx_Coroutine_USED + if (!closing && __Pyx_Coroutine_Check(gen)) { + PyErr_SetString(PyExc_RuntimeError, "cannot reuse already awaited coroutine"); + } else + #endif + if (value) { + #ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(gen)) + PyErr_SetNone(__Pyx_PyExc_StopAsyncIteration); + else + #endif + PyErr_SetNone(PyExc_StopIteration); + } +} +static +PyObject *__Pyx_Coroutine_SendEx(__pyx_CoroutineObject *self, PyObject *value, int closing) { + __Pyx_PyThreadState_declare + PyThreadState *tstate; + __Pyx_ExcInfoStruct *exc_state; + PyObject *retval; + assert(!self->is_running); + if (unlikely(self->resume_label == 0)) { + if (unlikely(value && value != Py_None)) { + return __Pyx_Coroutine_NotStartedError((PyObject*)self); + } + } + if (unlikely(self->resume_label == -1)) { + return __Pyx_Coroutine_AlreadyTerminatedError((PyObject*)self, value, closing); + } +#if CYTHON_FAST_THREAD_STATE + __Pyx_PyThreadState_assign + tstate = __pyx_tstate; +#else + tstate = __Pyx_PyThreadState_Current; +#endif + exc_state = &self->gi_exc_state; + if (exc_state->exc_type) { + #if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON + #else + if (exc_state->exc_traceback) { + PyTracebackObject *tb = (PyTracebackObject *) exc_state->exc_traceback; + PyFrameObject *f = tb->tb_frame; + Py_XINCREF(tstate->frame); + assert(f->f_back == NULL); + f->f_back = tstate->frame; + } + #endif + } +#if CYTHON_USE_EXC_INFO_STACK + exc_state->previous_item = tstate->exc_info; + tstate->exc_info = exc_state; +#else + if (exc_state->exc_type) { + __Pyx_ExceptionSwap(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback); + } else { + __Pyx_Coroutine_ExceptionClear(exc_state); + __Pyx_ExceptionSave(&exc_state->exc_type, &exc_state->exc_value, &exc_state->exc_traceback); + } +#endif + self->is_running = 1; + retval = self->body((PyObject *) self, tstate, value); + self->is_running = 0; +#if CYTHON_USE_EXC_INFO_STACK + exc_state = &self->gi_exc_state; + tstate->exc_info = exc_state->previous_item; + exc_state->previous_item = NULL; + __Pyx_Coroutine_ResetFrameBackpointer(exc_state); +#endif + return retval; +} +static CYTHON_INLINE void __Pyx_Coroutine_ResetFrameBackpointer(__Pyx_ExcInfoStruct *exc_state) { + PyObject *exc_tb = exc_state->exc_traceback; + if (likely(exc_tb)) { +#if CYTHON_COMPILING_IN_PYPY || CYTHON_COMPILING_IN_PYSTON +#else + PyTracebackObject *tb = (PyTracebackObject *) exc_tb; + PyFrameObject *f = tb->tb_frame; + Py_CLEAR(f->f_back); +#endif + } +} +static CYTHON_INLINE +PyObject *__Pyx_Coroutine_MethodReturn(CYTHON_UNUSED PyObject* gen, PyObject *retval) { + if (unlikely(!retval)) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (!__Pyx_PyErr_Occurred()) { + PyObject *exc = PyExc_StopIteration; + #ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(gen)) + exc = __Pyx_PyExc_StopAsyncIteration; + #endif + __Pyx_PyErr_SetNone(exc); + } + } + return retval; +} +static CYTHON_INLINE +PyObject *__Pyx_Coroutine_FinishDelegation(__pyx_CoroutineObject *gen) { + PyObject *ret; + PyObject *val = NULL; + __Pyx_Coroutine_Undelegate(gen); + __Pyx_PyGen__FetchStopIterationValue(__Pyx_PyThreadState_Current, &val); + ret = __Pyx_Coroutine_SendEx(gen, val, 0); + Py_XDECREF(val); + return ret; +} +static PyObject *__Pyx_Coroutine_Send(PyObject *self, PyObject *value) { + PyObject *retval; + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + gen->is_running = 1; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + ret = __Pyx_Coroutine_Send(yf, value); + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + ret = __Pyx_Coroutine_Send(yf, value); + } else + #endif + #ifdef __Pyx_AsyncGen_USED + if (__pyx_PyAsyncGenASend_CheckExact(yf)) { + ret = __Pyx_async_gen_asend_send(yf, value); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyGen_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03050000 && defined(PyCoro_CheckExact) && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyCoro_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, value == Py_None ? NULL : value); + } else + #endif + { + if (value == Py_None) + ret = Py_TYPE(yf)->tp_iternext(yf); + else + ret = __Pyx_PyObject_CallMethod1(yf, __pyx_n_s_send, value); + } + gen->is_running = 0; + if (likely(ret)) { + return ret; + } + retval = __Pyx_Coroutine_FinishDelegation(gen); + } else { + retval = __Pyx_Coroutine_SendEx(gen, value, 0); + } + return __Pyx_Coroutine_MethodReturn(self, retval); +} +static int __Pyx_Coroutine_CloseIter(__pyx_CoroutineObject *gen, PyObject *yf) { + PyObject *retval = NULL; + int err = 0; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + retval = __Pyx_Coroutine_Close(yf); + if (!retval) + return -1; + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + retval = __Pyx_Coroutine_Close(yf); + if (!retval) + return -1; + } else + if (__Pyx_CoroutineAwait_CheckExact(yf)) { + retval = __Pyx_CoroutineAwait_Close((__pyx_CoroutineAwaitObject*)yf, NULL); + if (!retval) + return -1; + } else + #endif + #ifdef __Pyx_AsyncGen_USED + if (__pyx_PyAsyncGenASend_CheckExact(yf)) { + retval = __Pyx_async_gen_asend_close(yf, NULL); + } else + if (__pyx_PyAsyncGenAThrow_CheckExact(yf)) { + retval = __Pyx_async_gen_athrow_close(yf, NULL); + } else + #endif + { + PyObject *meth; + gen->is_running = 1; + meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_close); + if (unlikely(!meth)) { + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_WriteUnraisable(yf); + } + PyErr_Clear(); + } else { + retval = PyObject_CallFunction(meth, NULL); + Py_DECREF(meth); + if (!retval) + err = -1; + } + gen->is_running = 0; + } + Py_XDECREF(retval); + return err; +} +static PyObject *__Pyx_Generator_Next(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject*) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + gen->is_running = 1; + #ifdef __Pyx_Generator_USED + if (__Pyx_Generator_CheckExact(yf)) { + ret = __Pyx_Generator_Next(yf); + } else + #endif + #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03030000 && (defined(__linux__) || PY_VERSION_HEX >= 0x030600B3) + if (PyGen_CheckExact(yf)) { + ret = _PyGen_Send((PyGenObject*)yf, NULL); + } else + #endif + #ifdef __Pyx_Coroutine_USED + if (__Pyx_Coroutine_Check(yf)) { + ret = __Pyx_Coroutine_Send(yf, Py_None); + } else + #endif + ret = Py_TYPE(yf)->tp_iternext(yf); + gen->is_running = 0; + if (likely(ret)) { + return ret; + } + return __Pyx_Coroutine_FinishDelegation(gen); + } + return __Pyx_Coroutine_SendEx(gen, Py_None, 0); +} +static PyObject *__Pyx_Coroutine_Close_Method(PyObject *self, CYTHON_UNUSED PyObject *arg) { + return __Pyx_Coroutine_Close(self); +} +static PyObject *__Pyx_Coroutine_Close(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject *retval, *raised_exception; + PyObject *yf = gen->yieldfrom; + int err = 0; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + Py_INCREF(yf); + err = __Pyx_Coroutine_CloseIter(gen, yf); + __Pyx_Coroutine_Undelegate(gen); + Py_DECREF(yf); + } + if (err == 0) + PyErr_SetNone(PyExc_GeneratorExit); + retval = __Pyx_Coroutine_SendEx(gen, NULL, 1); + if (unlikely(retval)) { + const char *msg; + Py_DECREF(retval); + if ((0)) { + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_Coroutine_Check(self)) { + msg = "coroutine ignored GeneratorExit"; + #endif + #ifdef __Pyx_AsyncGen_USED + } else if (__Pyx_AsyncGen_CheckExact(self)) { +#if PY_VERSION_HEX < 0x03060000 + msg = "async generator ignored GeneratorExit - might require Python 3.6+ finalisation (PEP 525)"; +#else + msg = "async generator ignored GeneratorExit"; +#endif + #endif + } else { + msg = "generator ignored GeneratorExit"; + } + PyErr_SetString(PyExc_RuntimeError, msg); + return NULL; + } + raised_exception = PyErr_Occurred(); + if (likely(!raised_exception || __Pyx_PyErr_GivenExceptionMatches2(raised_exception, PyExc_GeneratorExit, PyExc_StopIteration))) { + if (raised_exception) PyErr_Clear(); + Py_INCREF(Py_None); + return Py_None; + } + return NULL; +} +static PyObject *__Pyx__Coroutine_Throw(PyObject *self, PyObject *typ, PyObject *val, PyObject *tb, + PyObject *args, int close_on_genexit) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject *yf = gen->yieldfrom; + if (unlikely(gen->is_running)) + return __Pyx_Coroutine_AlreadyRunningError(gen); + if (yf) { + PyObject *ret; + Py_INCREF(yf); + if (__Pyx_PyErr_GivenExceptionMatches(typ, PyExc_GeneratorExit) && close_on_genexit) { + int err = __Pyx_Coroutine_CloseIter(gen, yf); + Py_DECREF(yf); + __Pyx_Coroutine_Undelegate(gen); + if (err < 0) + return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0)); + goto throw_here; + } + gen->is_running = 1; + if (0 + #ifdef __Pyx_Generator_USED + || __Pyx_Generator_CheckExact(yf) + #endif + #ifdef __Pyx_Coroutine_USED + || __Pyx_Coroutine_Check(yf) + #endif + ) { + ret = __Pyx__Coroutine_Throw(yf, typ, val, tb, args, close_on_genexit); + #ifdef __Pyx_Coroutine_USED + } else if (__Pyx_CoroutineAwait_CheckExact(yf)) { + ret = __Pyx__Coroutine_Throw(((__pyx_CoroutineAwaitObject*)yf)->coroutine, typ, val, tb, args, close_on_genexit); + #endif + } else { + PyObject *meth = __Pyx_PyObject_GetAttrStr(yf, __pyx_n_s_throw); + if (unlikely(!meth)) { + Py_DECREF(yf); + if (!PyErr_ExceptionMatches(PyExc_AttributeError)) { + gen->is_running = 0; + return NULL; + } + PyErr_Clear(); + __Pyx_Coroutine_Undelegate(gen); + gen->is_running = 0; + goto throw_here; + } + if (likely(args)) { + ret = PyObject_CallObject(meth, args); + } else { + ret = PyObject_CallFunctionObjArgs(meth, typ, val, tb, NULL); + } + Py_DECREF(meth); + } + gen->is_running = 0; + Py_DECREF(yf); + if (!ret) { + ret = __Pyx_Coroutine_FinishDelegation(gen); + } + return __Pyx_Coroutine_MethodReturn(self, ret); + } +throw_here: + __Pyx_Raise(typ, val, tb, NULL); + return __Pyx_Coroutine_MethodReturn(self, __Pyx_Coroutine_SendEx(gen, NULL, 0)); +} +static PyObject *__Pyx_Coroutine_Throw(PyObject *self, PyObject *args) { + PyObject *typ; + PyObject *val = NULL; + PyObject *tb = NULL; + if (!PyArg_UnpackTuple(args, (char *)"throw", 1, 3, &typ, &val, &tb)) + return NULL; + return __Pyx__Coroutine_Throw(self, typ, val, tb, args, 1); +} +static CYTHON_INLINE int __Pyx_Coroutine_traverse_excstate(__Pyx_ExcInfoStruct *exc_state, visitproc visit, void *arg) { + Py_VISIT(exc_state->exc_type); + Py_VISIT(exc_state->exc_value); + Py_VISIT(exc_state->exc_traceback); + return 0; +} +static int __Pyx_Coroutine_traverse(__pyx_CoroutineObject *gen, visitproc visit, void *arg) { + Py_VISIT(gen->closure); + Py_VISIT(gen->classobj); + Py_VISIT(gen->yieldfrom); + return __Pyx_Coroutine_traverse_excstate(&gen->gi_exc_state, visit, arg); +} +static int __Pyx_Coroutine_clear(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + Py_CLEAR(gen->closure); + Py_CLEAR(gen->classobj); + Py_CLEAR(gen->yieldfrom); + __Pyx_Coroutine_ExceptionClear(&gen->gi_exc_state); +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + Py_CLEAR(((__pyx_PyAsyncGenObject*)gen)->ag_finalizer); + } +#endif + Py_CLEAR(gen->gi_code); + Py_CLEAR(gen->gi_name); + Py_CLEAR(gen->gi_qualname); + Py_CLEAR(gen->gi_modulename); + return 0; +} +static void __Pyx_Coroutine_dealloc(PyObject *self) { + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + PyObject_GC_UnTrack(gen); + if (gen->gi_weakreflist != NULL) + PyObject_ClearWeakRefs(self); + if (gen->resume_label >= 0) { + PyObject_GC_Track(self); +#if PY_VERSION_HEX >= 0x030400a1 && CYTHON_USE_TP_FINALIZE + if (PyObject_CallFinalizerFromDealloc(self)) +#else + Py_TYPE(gen)->tp_del(self); + if (self->ob_refcnt > 0) +#endif + { + return; + } + PyObject_GC_UnTrack(self); + } +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + /* We have to handle this case for asynchronous generators + right here, because this code has to be between UNTRACK + and GC_Del. */ + Py_CLEAR(((__pyx_PyAsyncGenObject*)self)->ag_finalizer); + } +#endif + __Pyx_Coroutine_clear(self); + PyObject_GC_Del(gen); +} +static void __Pyx_Coroutine_del(PyObject *self) { + PyObject *error_type, *error_value, *error_traceback; + __pyx_CoroutineObject *gen = (__pyx_CoroutineObject *) self; + __Pyx_PyThreadState_declare + if (gen->resume_label < 0) { + return; + } +#if !CYTHON_USE_TP_FINALIZE + assert(self->ob_refcnt == 0); + self->ob_refcnt = 1; +#endif + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&error_type, &error_value, &error_traceback); +#ifdef __Pyx_AsyncGen_USED + if (__Pyx_AsyncGen_CheckExact(self)) { + __pyx_PyAsyncGenObject *agen = (__pyx_PyAsyncGenObject*)self; + PyObject *finalizer = agen->ag_finalizer; + if (finalizer && !agen->ag_closed) { + PyObject *res = __Pyx_PyObject_CallOneArg(finalizer, self); + if (unlikely(!res)) { + PyErr_WriteUnraisable(self); + } else { + Py_DECREF(res); + } + __Pyx_ErrRestore(error_type, error_value, error_traceback); + return; + } + } +#endif + if (unlikely(gen->resume_label == 0 && !error_value)) { +#ifdef __Pyx_Coroutine_USED +#ifdef __Pyx_Generator_USED + if (!__Pyx_Generator_CheckExact(self)) +#endif + { + PyObject_GC_UnTrack(self); +#if PY_MAJOR_VERSION >= 3 || defined(PyErr_WarnFormat) + if (unlikely(PyErr_WarnFormat(PyExc_RuntimeWarning, 1, "coroutine '%.50S' was never awaited", gen->gi_qualname) < 0)) + PyErr_WriteUnraisable(self); +#else + {PyObject *msg; + char *cmsg; + #if CYTHON_COMPILING_IN_PYPY + msg = NULL; + cmsg = (char*) "coroutine was never awaited"; + #else + char *cname; + PyObject *qualname; + qualname = gen->gi_qualname; + cname = PyString_AS_STRING(qualname); + msg = PyString_FromFormat("coroutine '%.50s' was never awaited", cname); + if (unlikely(!msg)) { + PyErr_Clear(); + cmsg = (char*) "coroutine was never awaited"; + } else { + cmsg = PyString_AS_STRING(msg); + } + #endif + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, cmsg, 1) < 0)) + PyErr_WriteUnraisable(self); + Py_XDECREF(msg);} +#endif + PyObject_GC_Track(self); + } +#endif + } else { + PyObject *res = __Pyx_Coroutine_Close(self); + if (unlikely(!res)) { + if (PyErr_Occurred()) + PyErr_WriteUnraisable(self); + } else { + Py_DECREF(res); + } + } + __Pyx_ErrRestore(error_type, error_value, error_traceback); +#if !CYTHON_USE_TP_FINALIZE + assert(self->ob_refcnt > 0); + if (--self->ob_refcnt == 0) { + return; + } + { + Py_ssize_t refcnt = self->ob_refcnt; + _Py_NewReference(self); + self->ob_refcnt = refcnt; + } +#if CYTHON_COMPILING_IN_CPYTHON + assert(PyType_IS_GC(self->ob_type) && + _Py_AS_GC(self)->gc.gc_refs != _PyGC_REFS_UNTRACKED); + _Py_DEC_REFTOTAL; +#endif +#ifdef COUNT_ALLOCS + --Py_TYPE(self)->tp_frees; + --Py_TYPE(self)->tp_allocs; +#endif +#endif +} +static PyObject * +__Pyx_Coroutine_get_name(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context) +{ + PyObject *name = self->gi_name; + if (unlikely(!name)) name = Py_None; + Py_INCREF(name); + return name; +} +static int +__Pyx_Coroutine_set_name(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__name__ must be set to a string object"); + return -1; + } + tmp = self->gi_name; + Py_INCREF(value); + self->gi_name = value; + Py_XDECREF(tmp); + return 0; +} +static PyObject * +__Pyx_Coroutine_get_qualname(__pyx_CoroutineObject *self, CYTHON_UNUSED void *context) +{ + PyObject *name = self->gi_qualname; + if (unlikely(!name)) name = Py_None; + Py_INCREF(name); + return name; +} +static int +__Pyx_Coroutine_set_qualname(__pyx_CoroutineObject *self, PyObject *value, CYTHON_UNUSED void *context) +{ + PyObject *tmp; +#if PY_MAJOR_VERSION >= 3 + if (unlikely(value == NULL || !PyUnicode_Check(value))) +#else + if (unlikely(value == NULL || !PyString_Check(value))) +#endif + { + PyErr_SetString(PyExc_TypeError, + "__qualname__ must be set to a string object"); + return -1; + } + tmp = self->gi_qualname; + Py_INCREF(value); + self->gi_qualname = value; + Py_XDECREF(tmp); + return 0; +} +static __pyx_CoroutineObject *__Pyx__Coroutine_New( + PyTypeObject* type, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name) { + __pyx_CoroutineObject *gen = PyObject_GC_New(__pyx_CoroutineObject, type); + if (unlikely(!gen)) + return NULL; + return __Pyx__Coroutine_NewInit(gen, body, code, closure, name, qualname, module_name); +} +static __pyx_CoroutineObject *__Pyx__Coroutine_NewInit( + __pyx_CoroutineObject *gen, __pyx_coroutine_body_t body, PyObject *code, PyObject *closure, + PyObject *name, PyObject *qualname, PyObject *module_name) { + gen->body = body; + gen->closure = closure; + Py_XINCREF(closure); + gen->is_running = 0; + gen->resume_label = 0; + gen->classobj = NULL; + gen->yieldfrom = NULL; + gen->gi_exc_state.exc_type = NULL; + gen->gi_exc_state.exc_value = NULL; + gen->gi_exc_state.exc_traceback = NULL; +#if CYTHON_USE_EXC_INFO_STACK + gen->gi_exc_state.previous_item = NULL; +#endif + gen->gi_weakreflist = NULL; + Py_XINCREF(qualname); + gen->gi_qualname = qualname; + Py_XINCREF(name); + gen->gi_name = name; + Py_XINCREF(module_name); + gen->gi_modulename = module_name; + Py_XINCREF(code); + gen->gi_code = code; + PyObject_GC_Track(gen); + return gen; +} + +/* PatchModuleWithCoroutine */ +static PyObject* __Pyx_Coroutine_patch_module(PyObject* module, const char* py_code) { +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) + int result; + PyObject *globals, *result_obj; + globals = PyDict_New(); if (unlikely(!globals)) goto ignore; + result = PyDict_SetItemString(globals, "_cython_coroutine_type", + #ifdef __Pyx_Coroutine_USED + (PyObject*)__pyx_CoroutineType); + #else + Py_None); + #endif + if (unlikely(result < 0)) goto ignore; + result = PyDict_SetItemString(globals, "_cython_generator_type", + #ifdef __Pyx_Generator_USED + (PyObject*)__pyx_GeneratorType); + #else + Py_None); + #endif + if (unlikely(result < 0)) goto ignore; + if (unlikely(PyDict_SetItemString(globals, "_module", module) < 0)) goto ignore; + if (unlikely(PyDict_SetItemString(globals, "__builtins__", __pyx_b) < 0)) goto ignore; + result_obj = PyRun_String(py_code, Py_file_input, globals, globals); + if (unlikely(!result_obj)) goto ignore; + Py_DECREF(result_obj); + Py_DECREF(globals); + return module; +ignore: + Py_XDECREF(globals); + PyErr_WriteUnraisable(module); + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, "Cython module failed to patch module with custom type", 1) < 0)) { + Py_DECREF(module); + module = NULL; + } +#else + py_code++; +#endif + return module; +} + +/* PatchGeneratorABC */ +#ifndef CYTHON_REGISTER_ABCS +#define CYTHON_REGISTER_ABCS 1 +#endif +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) +static PyObject* __Pyx_patch_abc_module(PyObject *module); +static PyObject* __Pyx_patch_abc_module(PyObject *module) { + module = __Pyx_Coroutine_patch_module( + module, "" +"if _cython_generator_type is not None:\n" +" try: Generator = _module.Generator\n" +" except AttributeError: pass\n" +" else: Generator.register(_cython_generator_type)\n" +"if _cython_coroutine_type is not None:\n" +" try: Coroutine = _module.Coroutine\n" +" except AttributeError: pass\n" +" else: Coroutine.register(_cython_coroutine_type)\n" + ); + return module; +} +#endif +static int __Pyx_patch_abc(void) { +#if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) + static int abc_patched = 0; + if (CYTHON_REGISTER_ABCS && !abc_patched) { + PyObject *module; + module = PyImport_ImportModule((PY_MAJOR_VERSION >= 3) ? "collections.abc" : "collections"); + if (!module) { + PyErr_WriteUnraisable(NULL); + if (unlikely(PyErr_WarnEx(PyExc_RuntimeWarning, + ((PY_MAJOR_VERSION >= 3) ? + "Cython module failed to register with collections.abc module" : + "Cython module failed to register with collections module"), 1) < 0)) { + return -1; + } + } else { + module = __Pyx_patch_abc_module(module); + abc_patched = 1; + if (unlikely(!module)) + return -1; + Py_DECREF(module); + } + module = PyImport_ImportModule("backports_abc"); + if (module) { + module = __Pyx_patch_abc_module(module); + Py_XDECREF(module); + } + if (!module) { + PyErr_Clear(); + } + } +#else + if ((0)) __Pyx_Coroutine_patch_module(NULL, NULL); +#endif + return 0; +} + +/* Generator */ +static PyMethodDef __pyx_Generator_methods[] = { + {"send", (PyCFunction) __Pyx_Coroutine_Send, METH_O, + (char*) PyDoc_STR("send(arg) -> send 'arg' into generator,\nreturn next yielded value or raise StopIteration.")}, + {"throw", (PyCFunction) __Pyx_Coroutine_Throw, METH_VARARGS, + (char*) PyDoc_STR("throw(typ[,val[,tb]]) -> raise exception in generator,\nreturn next yielded value or raise StopIteration.")}, + {"close", (PyCFunction) __Pyx_Coroutine_Close_Method, METH_NOARGS, + (char*) PyDoc_STR("close() -> raise GeneratorExit inside generator.")}, + {0, 0, 0, 0} +}; +static PyMemberDef __pyx_Generator_memberlist[] = { + {(char *) "gi_running", T_BOOL, offsetof(__pyx_CoroutineObject, is_running), READONLY, NULL}, + {(char*) "gi_yieldfrom", T_OBJECT, offsetof(__pyx_CoroutineObject, yieldfrom), READONLY, + (char*) PyDoc_STR("object being iterated by 'yield from', or None")}, + {(char*) "gi_code", T_OBJECT, offsetof(__pyx_CoroutineObject, gi_code), READONLY, NULL}, + {0, 0, 0, 0, 0} +}; +static PyGetSetDef __pyx_Generator_getsets[] = { + {(char *) "__name__", (getter)__Pyx_Coroutine_get_name, (setter)__Pyx_Coroutine_set_name, + (char*) PyDoc_STR("name of the generator"), 0}, + {(char *) "__qualname__", (getter)__Pyx_Coroutine_get_qualname, (setter)__Pyx_Coroutine_set_qualname, + (char*) PyDoc_STR("qualified name of the generator"), 0}, + {0, 0, 0, 0, 0} +}; +static PyTypeObject __pyx_GeneratorType_type = { + PyVarObject_HEAD_INIT(0, 0) + "generator", + sizeof(__pyx_CoroutineObject), + 0, + (destructor) __Pyx_Coroutine_dealloc, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC | Py_TPFLAGS_HAVE_FINALIZE, + 0, + (traverseproc) __Pyx_Coroutine_traverse, + 0, + 0, + offsetof(__pyx_CoroutineObject, gi_weakreflist), + 0, + (iternextfunc) __Pyx_Generator_Next, + __pyx_Generator_methods, + __pyx_Generator_memberlist, + __pyx_Generator_getsets, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +#if CYTHON_USE_TP_FINALIZE + 0, +#else + __Pyx_Coroutine_del, +#endif + 0, +#if CYTHON_USE_TP_FINALIZE + __Pyx_Coroutine_del, +#elif PY_VERSION_HEX >= 0x030400a1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b1 + 0, +#endif +#if PY_VERSION_HEX >= 0x030800b4 && PY_VERSION_HEX < 0x03090000 + 0, +#endif +}; +static int __pyx_Generator_init(void) { + __pyx_GeneratorType_type.tp_getattro = __Pyx_PyObject_GenericGetAttrNoDict; + __pyx_GeneratorType_type.tp_iter = PyObject_SelfIter; + __pyx_GeneratorType = __Pyx_FetchCommonType(&__pyx_GeneratorType_type); + if (unlikely(!__pyx_GeneratorType)) { + return -1; + } + return 0; +} + +/* CheckBinaryVersion */ +static int __Pyx_check_binary_version(void) { + char ctversion[4], rtversion[4]; + PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION); + PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion()); + if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) { + char message[200]; + PyOS_snprintf(message, sizeof(message), + "compiletime version %s of module '%.100s' " + "does not match runtime version %s", + ctversion, __Pyx_MODULE_NAME, rtversion); + return PyErr_WarnEx(NULL, message, 1); + } + return 0; +} + +/* InitStrings */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) { + while (t->p) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..05e793c Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.pyx b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.pyx new file mode 100644 index 0000000..c24e310 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_parser.pyx @@ -0,0 +1,875 @@ +#cython: language_level=3 +# +# Based on https://github.com/MagicStack/httptools +# +from __future__ import absolute_import, print_function + +from cpython cimport ( + Py_buffer, + PyBUF_SIMPLE, + PyBuffer_Release, + PyBytes_AsString, + PyBytes_AsStringAndSize, + PyObject_GetBuffer, +) +from cpython.mem cimport PyMem_Free, PyMem_Malloc +from libc.limits cimport ULLONG_MAX +from libc.string cimport memcpy + +from multidict import CIMultiDict as _CIMultiDict, CIMultiDictProxy as _CIMultiDictProxy +from yarl import URL as _URL + +from aiohttp import hdrs + +from .http_exceptions import ( + BadHttpMessage, + BadStatusLine, + ContentLengthError, + InvalidHeader, + InvalidURLError, + LineTooLong, + PayloadEncodingError, + TransferEncodingError, +) +from .http_parser import DeflateBuffer as _DeflateBuffer +from .http_writer import ( + HttpVersion as _HttpVersion, + HttpVersion10 as _HttpVersion10, + HttpVersion11 as _HttpVersion11, +) +from .streams import EMPTY_PAYLOAD as _EMPTY_PAYLOAD, StreamReader as _StreamReader + +cimport cython + +from aiohttp cimport _cparser as cparser + +include "_headers.pxi" + +from aiohttp cimport _find_header + +DEF DEFAULT_FREELIST_SIZE = 250 + +cdef extern from "Python.h": + int PyByteArray_Resize(object, Py_ssize_t) except -1 + Py_ssize_t PyByteArray_Size(object) except -1 + char* PyByteArray_AsString(object) + +__all__ = ('HttpRequestParser', 'HttpResponseParser', + 'RawRequestMessage', 'RawResponseMessage') + +cdef object URL = _URL +cdef object URL_build = URL.build +cdef object CIMultiDict = _CIMultiDict +cdef object CIMultiDictProxy = _CIMultiDictProxy +cdef object HttpVersion = _HttpVersion +cdef object HttpVersion10 = _HttpVersion10 +cdef object HttpVersion11 = _HttpVersion11 +cdef object SEC_WEBSOCKET_KEY1 = hdrs.SEC_WEBSOCKET_KEY1 +cdef object CONTENT_ENCODING = hdrs.CONTENT_ENCODING +cdef object EMPTY_PAYLOAD = _EMPTY_PAYLOAD +cdef object StreamReader = _StreamReader +cdef object DeflateBuffer = _DeflateBuffer + + +cdef inline object extend(object buf, const char* at, size_t length): + cdef Py_ssize_t s + cdef char* ptr + s = PyByteArray_Size(buf) + PyByteArray_Resize(buf, s + length) + ptr = PyByteArray_AsString(buf) + memcpy(ptr + s, at, length) + + +DEF METHODS_COUNT = 34; + +cdef list _http_method = [] + +for i in range(METHODS_COUNT): + _http_method.append( + cparser.http_method_str( i).decode('ascii')) + + +cdef inline str http_method_str(int i): + if i < METHODS_COUNT: + return _http_method[i] + else: + return "" + +cdef inline object find_header(bytes raw_header): + cdef Py_ssize_t size + cdef char *buf + cdef int idx + PyBytes_AsStringAndSize(raw_header, &buf, &size) + idx = _find_header.find_header(buf, size) + if idx == -1: + return raw_header.decode('utf-8', 'surrogateescape') + return headers[idx] + + +@cython.freelist(DEFAULT_FREELIST_SIZE) +cdef class RawRequestMessage: + cdef readonly str method + cdef readonly str path + cdef readonly object version # HttpVersion + cdef readonly object headers # CIMultiDict + cdef readonly object raw_headers # tuple + cdef readonly object should_close + cdef readonly object compression + cdef readonly object upgrade + cdef readonly object chunked + cdef readonly object url # yarl.URL + + def __init__(self, method, path, version, headers, raw_headers, + should_close, compression, upgrade, chunked, url): + self.method = method + self.path = path + self.version = version + self.headers = headers + self.raw_headers = raw_headers + self.should_close = should_close + self.compression = compression + self.upgrade = upgrade + self.chunked = chunked + self.url = url + + def __repr__(self): + info = [] + info.append(("method", self.method)) + info.append(("path", self.path)) + info.append(("version", self.version)) + info.append(("headers", self.headers)) + info.append(("raw_headers", self.raw_headers)) + info.append(("should_close", self.should_close)) + info.append(("compression", self.compression)) + info.append(("upgrade", self.upgrade)) + info.append(("chunked", self.chunked)) + info.append(("url", self.url)) + sinfo = ', '.join(name + '=' + repr(val) for name, val in info) + return '' + + def _replace(self, **dct): + cdef RawRequestMessage ret + ret = _new_request_message(self.method, + self.path, + self.version, + self.headers, + self.raw_headers, + self.should_close, + self.compression, + self.upgrade, + self.chunked, + self.url) + if "method" in dct: + ret.method = dct["method"] + if "path" in dct: + ret.path = dct["path"] + if "version" in dct: + ret.version = dct["version"] + if "headers" in dct: + ret.headers = dct["headers"] + if "raw_headers" in dct: + ret.raw_headers = dct["raw_headers"] + if "should_close" in dct: + ret.should_close = dct["should_close"] + if "compression" in dct: + ret.compression = dct["compression"] + if "upgrade" in dct: + ret.upgrade = dct["upgrade"] + if "chunked" in dct: + ret.chunked = dct["chunked"] + if "url" in dct: + ret.url = dct["url"] + return ret + +cdef _new_request_message(str method, + str path, + object version, + object headers, + object raw_headers, + bint should_close, + object compression, + bint upgrade, + bint chunked, + object url): + cdef RawRequestMessage ret + ret = RawRequestMessage.__new__(RawRequestMessage) + ret.method = method + ret.path = path + ret.version = version + ret.headers = headers + ret.raw_headers = raw_headers + ret.should_close = should_close + ret.compression = compression + ret.upgrade = upgrade + ret.chunked = chunked + ret.url = url + return ret + + +@cython.freelist(DEFAULT_FREELIST_SIZE) +cdef class RawResponseMessage: + cdef readonly object version # HttpVersion + cdef readonly int code + cdef readonly str reason + cdef readonly object headers # CIMultiDict + cdef readonly object raw_headers # tuple + cdef readonly object should_close + cdef readonly object compression + cdef readonly object upgrade + cdef readonly object chunked + + def __init__(self, version, code, reason, headers, raw_headers, + should_close, compression, upgrade, chunked): + self.version = version + self.code = code + self.reason = reason + self.headers = headers + self.raw_headers = raw_headers + self.should_close = should_close + self.compression = compression + self.upgrade = upgrade + self.chunked = chunked + + def __repr__(self): + info = [] + info.append(("version", self.version)) + info.append(("code", self.code)) + info.append(("reason", self.reason)) + info.append(("headers", self.headers)) + info.append(("raw_headers", self.raw_headers)) + info.append(("should_close", self.should_close)) + info.append(("compression", self.compression)) + info.append(("upgrade", self.upgrade)) + info.append(("chunked", self.chunked)) + sinfo = ', '.join(name + '=' + repr(val) for name, val in info) + return '' + + +cdef _new_response_message(object version, + int code, + str reason, + object headers, + object raw_headers, + bint should_close, + object compression, + bint upgrade, + bint chunked): + cdef RawResponseMessage ret + ret = RawResponseMessage.__new__(RawResponseMessage) + ret.version = version + ret.code = code + ret.reason = reason + ret.headers = headers + ret.raw_headers = raw_headers + ret.should_close = should_close + ret.compression = compression + ret.upgrade = upgrade + ret.chunked = chunked + return ret + + +@cython.internal +cdef class HttpParser: + + cdef: + cparser.http_parser* _cparser + cparser.http_parser_settings* _csettings + + bytearray _raw_name + bytearray _raw_value + bint _has_value + + object _protocol + object _loop + object _timer + + size_t _max_line_size + size_t _max_field_size + size_t _max_headers + bint _response_with_body + bint _read_until_eof + + bint _started + object _url + bytearray _buf + str _path + str _reason + object _headers + list _raw_headers + bint _upgraded + list _messages + object _payload + bint _payload_error + object _payload_exception + object _last_error + bint _auto_decompress + int _limit + + str _content_encoding + + Py_buffer py_buf + + def __cinit__(self): + self._cparser = \ + PyMem_Malloc(sizeof(cparser.http_parser)) + if self._cparser is NULL: + raise MemoryError() + + self._csettings = \ + PyMem_Malloc(sizeof(cparser.http_parser_settings)) + if self._csettings is NULL: + raise MemoryError() + + def __dealloc__(self): + PyMem_Free(self._cparser) + PyMem_Free(self._csettings) + + cdef _init(self, cparser.http_parser_type mode, + object protocol, object loop, int limit, + object timer=None, + size_t max_line_size=8190, size_t max_headers=32768, + size_t max_field_size=8190, payload_exception=None, + bint response_with_body=True, bint read_until_eof=False, + bint auto_decompress=True): + cparser.http_parser_init(self._cparser, mode) + self._cparser.data = self + self._cparser.content_length = 0 + + cparser.http_parser_settings_init(self._csettings) + + self._protocol = protocol + self._loop = loop + self._timer = timer + + self._buf = bytearray() + self._payload = None + self._payload_error = 0 + self._payload_exception = payload_exception + self._messages = [] + + self._raw_name = bytearray() + self._raw_value = bytearray() + self._has_value = False + + self._max_line_size = max_line_size + self._max_headers = max_headers + self._max_field_size = max_field_size + self._response_with_body = response_with_body + self._read_until_eof = read_until_eof + self._upgraded = False + self._auto_decompress = auto_decompress + self._content_encoding = None + + self._csettings.on_url = cb_on_url + self._csettings.on_status = cb_on_status + self._csettings.on_header_field = cb_on_header_field + self._csettings.on_header_value = cb_on_header_value + self._csettings.on_headers_complete = cb_on_headers_complete + self._csettings.on_body = cb_on_body + self._csettings.on_message_begin = cb_on_message_begin + self._csettings.on_message_complete = cb_on_message_complete + self._csettings.on_chunk_header = cb_on_chunk_header + self._csettings.on_chunk_complete = cb_on_chunk_complete + + self._last_error = None + self._limit = limit + + cdef _process_header(self): + if self._raw_name: + raw_name = bytes(self._raw_name) + raw_value = bytes(self._raw_value) + + name = find_header(raw_name) + value = raw_value.decode('utf-8', 'surrogateescape') + + self._headers.add(name, value) + + if name is CONTENT_ENCODING: + self._content_encoding = value + + PyByteArray_Resize(self._raw_name, 0) + PyByteArray_Resize(self._raw_value, 0) + self._has_value = False + self._raw_headers.append((raw_name, raw_value)) + + cdef _on_header_field(self, char* at, size_t length): + cdef Py_ssize_t size + cdef char *buf + if self._has_value: + self._process_header() + + size = PyByteArray_Size(self._raw_name) + PyByteArray_Resize(self._raw_name, size + length) + buf = PyByteArray_AsString(self._raw_name) + memcpy(buf + size, at, length) + + cdef _on_header_value(self, char* at, size_t length): + cdef Py_ssize_t size + cdef char *buf + + size = PyByteArray_Size(self._raw_value) + PyByteArray_Resize(self._raw_value, size + length) + buf = PyByteArray_AsString(self._raw_value) + memcpy(buf + size, at, length) + self._has_value = True + + cdef _on_headers_complete(self): + self._process_header() + + method = http_method_str(self._cparser.method) + should_close = not cparser.http_should_keep_alive(self._cparser) + upgrade = self._cparser.upgrade + chunked = self._cparser.flags & cparser.F_CHUNKED + + raw_headers = tuple(self._raw_headers) + headers = CIMultiDictProxy(self._headers) + + if upgrade or self._cparser.method == 5: # cparser.CONNECT: + self._upgraded = True + + # do not support old websocket spec + if SEC_WEBSOCKET_KEY1 in headers: + raise InvalidHeader(SEC_WEBSOCKET_KEY1) + + encoding = None + enc = self._content_encoding + if enc is not None: + self._content_encoding = None + enc = enc.lower() + if enc in ('gzip', 'deflate', 'br'): + encoding = enc + + if self._cparser.type == cparser.HTTP_REQUEST: + msg = _new_request_message( + method, self._path, + self.http_version(), headers, raw_headers, + should_close, encoding, upgrade, chunked, self._url) + else: + msg = _new_response_message( + self.http_version(), self._cparser.status_code, self._reason, + headers, raw_headers, should_close, encoding, + upgrade, chunked) + + if (ULLONG_MAX > self._cparser.content_length > 0 or chunked or + self._cparser.method == 5 or # CONNECT: 5 + (self._cparser.status_code >= 199 and + self._cparser.content_length == ULLONG_MAX and + self._read_until_eof) + ): + payload = StreamReader( + self._protocol, timer=self._timer, loop=self._loop, + limit=self._limit) + else: + payload = EMPTY_PAYLOAD + + self._payload = payload + if encoding is not None and self._auto_decompress: + self._payload = DeflateBuffer(payload, encoding) + + if not self._response_with_body: + payload = EMPTY_PAYLOAD + + self._messages.append((msg, payload)) + + cdef _on_message_complete(self): + self._payload.feed_eof() + self._payload = None + + cdef _on_chunk_header(self): + self._payload.begin_http_chunk_receiving() + + cdef _on_chunk_complete(self): + self._payload.end_http_chunk_receiving() + + cdef object _on_status_complete(self): + pass + + cdef inline http_version(self): + cdef cparser.http_parser* parser = self._cparser + + if parser.http_major == 1: + if parser.http_minor == 0: + return HttpVersion10 + elif parser.http_minor == 1: + return HttpVersion11 + + return HttpVersion(parser.http_major, parser.http_minor) + + ### Public API ### + + def feed_eof(self): + cdef bytes desc + + if self._payload is not None: + if self._cparser.flags & cparser.F_CHUNKED: + raise TransferEncodingError( + "Not enough data for satisfy transfer length header.") + elif self._cparser.flags & cparser.F_CONTENTLENGTH: + raise ContentLengthError( + "Not enough data for satisfy content length header.") + elif self._cparser.http_errno != cparser.HPE_OK: + desc = cparser.http_errno_description( + self._cparser.http_errno) + raise PayloadEncodingError(desc.decode('latin-1')) + else: + self._payload.feed_eof() + elif self._started: + self._on_headers_complete() + if self._messages: + return self._messages[-1][0] + + def feed_data(self, data): + cdef: + size_t data_len + size_t nb + + PyObject_GetBuffer(data, &self.py_buf, PyBUF_SIMPLE) + data_len = self.py_buf.len + + nb = cparser.http_parser_execute( + self._cparser, + self._csettings, + self.py_buf.buf, + data_len) + + PyBuffer_Release(&self.py_buf) + + if (self._cparser.http_errno != cparser.HPE_OK): + if self._payload_error == 0: + if self._last_error is not None: + ex = self._last_error + self._last_error = None + else: + ex = parser_error_from_errno( + self._cparser.http_errno) + self._payload = None + raise ex + + if self._messages: + messages = self._messages + self._messages = [] + else: + messages = () + + if self._upgraded: + return messages, True, data[nb:] + else: + return messages, False, b'' + + def set_upgraded(self, val): + self._upgraded = val + + +cdef class HttpRequestParser(HttpParser): + + def __init__(self, protocol, loop, int limit, timer=None, + size_t max_line_size=8190, size_t max_headers=32768, + size_t max_field_size=8190, payload_exception=None, + bint response_with_body=True, bint read_until_eof=False, + ): + self._init(cparser.HTTP_REQUEST, protocol, loop, limit, timer, + max_line_size, max_headers, max_field_size, + payload_exception, response_with_body, read_until_eof) + + cdef object _on_status_complete(self): + cdef Py_buffer py_buf + if not self._buf: + return + self._path = self._buf.decode('utf-8', 'surrogateescape') + if self._cparser.method == 5: # CONNECT + self._url = URL(self._path) + else: + PyObject_GetBuffer(self._buf, &py_buf, PyBUF_SIMPLE) + try: + self._url = _parse_url(py_buf.buf, + py_buf.len) + finally: + PyBuffer_Release(&py_buf) + PyByteArray_Resize(self._buf, 0) + + +cdef class HttpResponseParser(HttpParser): + + def __init__(self, protocol, loop, int limit, timer=None, + size_t max_line_size=8190, size_t max_headers=32768, + size_t max_field_size=8190, payload_exception=None, + bint response_with_body=True, bint read_until_eof=False, + bint auto_decompress=True + ): + self._init(cparser.HTTP_RESPONSE, protocol, loop, limit, timer, + max_line_size, max_headers, max_field_size, + payload_exception, response_with_body, read_until_eof, + auto_decompress) + + cdef object _on_status_complete(self): + if self._buf: + self._reason = self._buf.decode('utf-8', 'surrogateescape') + PyByteArray_Resize(self._buf, 0) + else: + self._reason = self._reason or '' + +cdef int cb_on_message_begin(cparser.http_parser* parser) except -1: + cdef HttpParser pyparser = parser.data + + pyparser._started = True + pyparser._headers = CIMultiDict() + pyparser._raw_headers = [] + PyByteArray_Resize(pyparser._buf, 0) + pyparser._path = None + pyparser._reason = None + return 0 + + +cdef int cb_on_url(cparser.http_parser* parser, + const char *at, size_t length) except -1: + cdef HttpParser pyparser = parser.data + try: + if length > pyparser._max_line_size: + raise LineTooLong( + 'Status line is too long', pyparser._max_line_size, length) + extend(pyparser._buf, at, length) + except BaseException as ex: + pyparser._last_error = ex + return -1 + else: + return 0 + + +cdef int cb_on_status(cparser.http_parser* parser, + const char *at, size_t length) except -1: + cdef HttpParser pyparser = parser.data + cdef str reason + try: + if length > pyparser._max_line_size: + raise LineTooLong( + 'Status line is too long', pyparser._max_line_size, length) + extend(pyparser._buf, at, length) + except BaseException as ex: + pyparser._last_error = ex + return -1 + else: + return 0 + + +cdef int cb_on_header_field(cparser.http_parser* parser, + const char *at, size_t length) except -1: + cdef HttpParser pyparser = parser.data + cdef Py_ssize_t size + try: + pyparser._on_status_complete() + size = len(pyparser._raw_name) + length + if size > pyparser._max_field_size: + raise LineTooLong( + 'Header name is too long', pyparser._max_field_size, size) + pyparser._on_header_field(at, length) + except BaseException as ex: + pyparser._last_error = ex + return -1 + else: + return 0 + + +cdef int cb_on_header_value(cparser.http_parser* parser, + const char *at, size_t length) except -1: + cdef HttpParser pyparser = parser.data + cdef Py_ssize_t size + try: + size = len(pyparser._raw_value) + length + if size > pyparser._max_field_size: + raise LineTooLong( + 'Header value is too long', pyparser._max_field_size, size) + pyparser._on_header_value(at, length) + except BaseException as ex: + pyparser._last_error = ex + return -1 + else: + return 0 + + +cdef int cb_on_headers_complete(cparser.http_parser* parser) except -1: + cdef HttpParser pyparser = parser.data + try: + pyparser._on_status_complete() + pyparser._on_headers_complete() + except BaseException as exc: + pyparser._last_error = exc + return -1 + else: + if pyparser._cparser.upgrade or pyparser._cparser.method == 5: # CONNECT + return 2 + else: + return 0 + + +cdef int cb_on_body(cparser.http_parser* parser, + const char *at, size_t length) except -1: + cdef HttpParser pyparser = parser.data + cdef bytes body = at[:length] + try: + pyparser._payload.feed_data(body, length) + except BaseException as exc: + if pyparser._payload_exception is not None: + pyparser._payload.set_exception(pyparser._payload_exception(str(exc))) + else: + pyparser._payload.set_exception(exc) + pyparser._payload_error = 1 + return -1 + else: + return 0 + + +cdef int cb_on_message_complete(cparser.http_parser* parser) except -1: + cdef HttpParser pyparser = parser.data + try: + pyparser._started = False + pyparser._on_message_complete() + except BaseException as exc: + pyparser._last_error = exc + return -1 + else: + return 0 + + +cdef int cb_on_chunk_header(cparser.http_parser* parser) except -1: + cdef HttpParser pyparser = parser.data + try: + pyparser._on_chunk_header() + except BaseException as exc: + pyparser._last_error = exc + return -1 + else: + return 0 + + +cdef int cb_on_chunk_complete(cparser.http_parser* parser) except -1: + cdef HttpParser pyparser = parser.data + try: + pyparser._on_chunk_complete() + except BaseException as exc: + pyparser._last_error = exc + return -1 + else: + return 0 + + +cdef parser_error_from_errno(cparser.http_errno errno): + cdef bytes desc = cparser.http_errno_description(errno) + + if errno in (cparser.HPE_CB_message_begin, + cparser.HPE_CB_url, + cparser.HPE_CB_header_field, + cparser.HPE_CB_header_value, + cparser.HPE_CB_headers_complete, + cparser.HPE_CB_body, + cparser.HPE_CB_message_complete, + cparser.HPE_CB_status, + cparser.HPE_CB_chunk_header, + cparser.HPE_CB_chunk_complete): + cls = BadHttpMessage + + elif errno == cparser.HPE_INVALID_STATUS: + cls = BadStatusLine + + elif errno == cparser.HPE_INVALID_METHOD: + cls = BadStatusLine + + elif errno == cparser.HPE_INVALID_URL: + cls = InvalidURLError + + else: + cls = BadHttpMessage + + return cls(desc.decode('latin-1')) + + +def parse_url(url): + cdef: + Py_buffer py_buf + char* buf_data + + PyObject_GetBuffer(url, &py_buf, PyBUF_SIMPLE) + try: + buf_data = py_buf.buf + return _parse_url(buf_data, py_buf.len) + finally: + PyBuffer_Release(&py_buf) + + +cdef _parse_url(char* buf_data, size_t length): + cdef: + cparser.http_parser_url* parsed + int res + str schema = None + str host = None + object port = None + str path = None + str query = None + str fragment = None + str user = None + str password = None + str userinfo = None + object result = None + int off + int ln + + parsed = \ + PyMem_Malloc(sizeof(cparser.http_parser_url)) + if parsed is NULL: + raise MemoryError() + cparser.http_parser_url_init(parsed) + try: + res = cparser.http_parser_parse_url(buf_data, length, 0, parsed) + + if res == 0: + if parsed.field_set & (1 << cparser.UF_SCHEMA): + off = parsed.field_data[cparser.UF_SCHEMA].off + ln = parsed.field_data[cparser.UF_SCHEMA].len + schema = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + else: + schema = '' + + if parsed.field_set & (1 << cparser.UF_HOST): + off = parsed.field_data[cparser.UF_HOST].off + ln = parsed.field_data[cparser.UF_HOST].len + host = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + else: + host = '' + + if parsed.field_set & (1 << cparser.UF_PORT): + port = parsed.port + + if parsed.field_set & (1 << cparser.UF_PATH): + off = parsed.field_data[cparser.UF_PATH].off + ln = parsed.field_data[cparser.UF_PATH].len + path = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + else: + path = '' + + if parsed.field_set & (1 << cparser.UF_QUERY): + off = parsed.field_data[cparser.UF_QUERY].off + ln = parsed.field_data[cparser.UF_QUERY].len + query = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + else: + query = '' + + if parsed.field_set & (1 << cparser.UF_FRAGMENT): + off = parsed.field_data[cparser.UF_FRAGMENT].off + ln = parsed.field_data[cparser.UF_FRAGMENT].len + fragment = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + else: + fragment = '' + + if parsed.field_set & (1 << cparser.UF_USERINFO): + off = parsed.field_data[cparser.UF_USERINFO].off + ln = parsed.field_data[cparser.UF_USERINFO].len + userinfo = buf_data[off:off+ln].decode('utf-8', 'surrogateescape') + + user, sep, password = userinfo.partition(':') + + return URL_build(scheme=schema, + user=user, password=password, host=host, port=port, + path=path, query_string=query, fragment=fragment, encoded=True) + else: + raise InvalidURLError("invalid url {!r}".format(buf_data)) + finally: + PyMem_Free(parsed) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.c new file mode 100644 index 0000000..09e3efa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.c @@ -0,0 +1,5840 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__aiohttp___http_writer +#define __PYX_HAVE_API__aiohttp___http_writer +/* Early includes */ +#include +#include +#include +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "aiohttp/_http_writer.pyx", + "type.pxd", +}; + +/*--- Type declarations ---*/ +struct __pyx_t_7aiohttp_12_http_writer_Writer; + +/* "aiohttp/_http_writer.pyx":18 + * # ----------------- writer --------------------------- + * + * cdef struct Writer: # <<<<<<<<<<<<<< + * char *buf + * Py_ssize_t size + */ +struct __pyx_t_7aiohttp_12_http_writer_Writer { + char *buf; + Py_ssize_t size; + Py_ssize_t pos; +}; + +/* --- Runtime support code (head) --- */ +/* Refnanny.proto */ +#ifndef CYTHON_REFNANNY + #define CYTHON_REFNANNY 0 +#endif +#if CYTHON_REFNANNY + typedef struct { + void (*INCREF)(void*, PyObject*, int); + void (*DECREF)(void*, PyObject*, int); + void (*GOTREF)(void*, PyObject*, int); + void (*GIVEREF)(void*, PyObject*, int); + void* (*SetupContext)(const char*, int, const char*); + void (*FinishContext)(void**); + } __Pyx_RefNannyAPIStruct; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNanny = NULL; + static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname); + #define __Pyx_RefNannyDeclarations void *__pyx_refnanny = NULL; 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}} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* WriteUnraisableException.proto */ +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename, + int full_traceback, int nogil); + +/* unicode_iter.proto */ +static CYTHON_INLINE int __Pyx_init_unicode_iteration( + PyObject* ustring, Py_ssize_t *length, void** data, int *kind); + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* ArgTypeTest.proto */ +#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\ + ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\ + __Pyx__ArgTypeTest(obj, type, name, exact)) +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact); + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* ReRaiseException.proto */ +static CYTHON_INLINE void __Pyx_ReraiseException(void); + +/* IterFinish.proto */ +static CYTHON_INLINE int __Pyx_IterFinish(void); + +/* PyObjectCallNoArg.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); +#else +#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) +#endif + +/* PyObjectGetMethod.proto */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method); + +/* PyObjectCallMethod0.proto */ +static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name); + +/* RaiseNeedMoreValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); + +/* RaiseTooManyValuesToUnpack.proto */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); + +/* UnpackItemEndCheck.proto */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); + +/* RaiseNoneIterError.proto */ +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void); + +/* UnpackTupleError.proto */ +static void __Pyx_UnpackTupleError(PyObject *, Py_ssize_t index); + +/* UnpackTuple2.proto */ +#define __Pyx_unpack_tuple2(tuple, value1, value2, is_tuple, has_known_size, decref_tuple)\ + (likely(is_tuple || PyTuple_Check(tuple)) ?\ + (likely(has_known_size || PyTuple_GET_SIZE(tuple) == 2) ?\ + __Pyx_unpack_tuple2_exact(tuple, value1, value2, decref_tuple) :\ + (__Pyx_UnpackTupleError(tuple, 2), -1)) :\ + __Pyx_unpack_tuple2_generic(tuple, value1, value2, has_known_size, decref_tuple)) +static CYTHON_INLINE int __Pyx_unpack_tuple2_exact( + PyObject* tuple, PyObject** value1, PyObject** value2, int decref_tuple); +static int __Pyx_unpack_tuple2_generic( + PyObject* tuple, PyObject** value1, PyObject** value2, int has_known_size, int decref_tuple); + +/* dict_iter.proto */ +static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* dict, int is_dict, PyObject* method_name, + Py_ssize_t* p_orig_length, int* p_is_dict); +static CYTHON_INLINE int __Pyx_dict_iter_next(PyObject* dict_or_iter, Py_ssize_t orig_length, Py_ssize_t* ppos, + PyObject** pkey, PyObject** pvalue, PyObject** pitem, int is_dict); + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* SwapException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSwap(type, value, tb) __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); 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/*proto*/ +static CYTHON_INLINE int __pyx_f_7aiohttp_12_http_writer__write_byte(struct __pyx_t_7aiohttp_12_http_writer_Writer *, uint8_t); /*proto*/ +static CYTHON_INLINE int __pyx_f_7aiohttp_12_http_writer__write_utf8(struct __pyx_t_7aiohttp_12_http_writer_Writer *, Py_UCS4); /*proto*/ +static CYTHON_INLINE int __pyx_f_7aiohttp_12_http_writer__write_str(struct __pyx_t_7aiohttp_12_http_writer_Writer *, PyObject *); /*proto*/ +static PyObject *__pyx_f_7aiohttp_12_http_writer_to_str(PyObject *); /*proto*/ +#define __Pyx_MODULE_NAME "aiohttp._http_writer" +extern int __pyx_module_is_main_aiohttp___http_writer; +int __pyx_module_is_main_aiohttp___http_writer = 0; + +/* Implementation of 'aiohttp._http_writer' */ +static PyObject *__pyx_builtin_TypeError; +static const char __pyx_k_key[] = "key"; +static const char __pyx_k_ret[] = "ret"; +static const char __pyx_k_val[] = "val"; +static const char __pyx_k_istr[] = "istr"; +static const char __pyx_k_main[] = "__main__"; +static const char __pyx_k_name[] = "__name__"; 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+ } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* ArgTypeTest */ +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact) +{ + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + else if (exact) { + #if PY_MAJOR_VERSION == 2 + if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1; + #endif + } + else { + if (likely(__Pyx_TypeCheck(obj, type))) return 1; + } + PyErr_Format(PyExc_TypeError, + "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)", + name, type->tp_name, Py_TYPE(obj)->tp_name); + return 0; +} + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* ReRaiseException */ +static CYTHON_INLINE void __Pyx_ReraiseException(void) { + PyObject *type = NULL, *value = NULL, *tb = NULL; +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = PyThreadState_GET(); + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + type = exc_info->exc_type; + value = exc_info->exc_value; + tb = exc_info->exc_traceback; + #else + type = tstate->exc_type; + value = tstate->exc_value; + tb = tstate->exc_traceback; + #endif +#else + PyErr_GetExcInfo(&type, &value, &tb); +#endif + if (!type || type == Py_None) { +#if !CYTHON_FAST_THREAD_STATE + Py_XDECREF(type); + Py_XDECREF(value); + Py_XDECREF(tb); +#endif + PyErr_SetString(PyExc_RuntimeError, + "No active exception to reraise"); + } else { +#if CYTHON_FAST_THREAD_STATE + Py_INCREF(type); + Py_XINCREF(value); + Py_XINCREF(tb); +#endif + PyErr_Restore(type, value, tb); + } +} + +/* IterFinish */ +static CYTHON_INLINE int __Pyx_IterFinish(void) { +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* exc_type = tstate->curexc_type; + if (unlikely(exc_type)) { + if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) { + PyObject *exc_value, *exc_tb; + exc_value = tstate->curexc_value; + exc_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; + Py_DECREF(exc_type); + Py_XDECREF(exc_value); + Py_XDECREF(exc_tb); + return 0; + } else { + return -1; + } + } + return 0; +#else + if (unlikely(PyErr_Occurred())) { + if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) { + PyErr_Clear(); + return 0; + } else { + return -1; + } + } + return 0; +#endif +} + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* PyObjectGetMethod */ +static int __Pyx_PyObject_GetMethod(PyObject *obj, PyObject *name, PyObject **method) { + PyObject *attr; +#if CYTHON_UNPACK_METHODS && CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_PYTYPE_LOOKUP + PyTypeObject *tp = Py_TYPE(obj); + PyObject *descr; + descrgetfunc f = NULL; + PyObject **dictptr, *dict; + int meth_found = 0; + assert (*method == NULL); + if (unlikely(tp->tp_getattro != PyObject_GenericGetAttr)) { + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; + } + if (unlikely(tp->tp_dict == NULL) && unlikely(PyType_Ready(tp) < 0)) { + return 0; + } + descr = _PyType_Lookup(tp, name); + if (likely(descr != NULL)) { + Py_INCREF(descr); +#if PY_MAJOR_VERSION >= 3 + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr) || (Py_TYPE(descr) == &PyMethodDescr_Type))) + #endif +#else + #ifdef __Pyx_CyFunction_USED + if (likely(PyFunction_Check(descr) || __Pyx_CyFunction_Check(descr))) + #else + if (likely(PyFunction_Check(descr))) + #endif +#endif + { + meth_found = 1; + } else { + f = Py_TYPE(descr)->tp_descr_get; + if (f != NULL && PyDescr_IsData(descr)) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + } + } + dictptr = _PyObject_GetDictPtr(obj); + if (dictptr != NULL && (dict = *dictptr) != NULL) { + Py_INCREF(dict); + attr = __Pyx_PyDict_GetItemStr(dict, name); + if (attr != NULL) { + Py_INCREF(attr); + Py_DECREF(dict); + Py_XDECREF(descr); + goto try_unpack; + } + Py_DECREF(dict); + } + if (meth_found) { + *method = descr; + return 1; + } + if (f != NULL) { + attr = f(descr, obj, (PyObject *)Py_TYPE(obj)); + Py_DECREF(descr); + goto try_unpack; + } + if (descr != NULL) { + *method = descr; + return 0; + } + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(name)); +#endif + return 0; +#else + attr = __Pyx_PyObject_GetAttrStr(obj, name); + goto try_unpack; +#endif +try_unpack: +#if CYTHON_UNPACK_METHODS + if (likely(attr) && PyMethod_Check(attr) && likely(PyMethod_GET_SELF(attr) == obj)) { + PyObject *function = PyMethod_GET_FUNCTION(attr); + Py_INCREF(function); + Py_DECREF(attr); + *method = function; + return 1; + } +#endif + *method = attr; + return 0; +} + +/* PyObjectCallMethod0 */ +static PyObject* __Pyx_PyObject_CallMethod0(PyObject* obj, PyObject* method_name) { + PyObject *method = NULL, *result = NULL; + int is_method = __Pyx_PyObject_GetMethod(obj, method_name, &method); + if (likely(is_method)) { + result = __Pyx_PyObject_CallOneArg(method, obj); + Py_DECREF(method); + return result; + } + if (unlikely(!method)) goto bad; + result = __Pyx_PyObject_CallNoArg(method); + Py_DECREF(method); +bad: + return result; +} + +/* RaiseNeedMoreValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { + PyErr_Format(PyExc_ValueError, + "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack", + index, (index == 1) ? "" : "s"); +} + +/* RaiseTooManyValuesToUnpack */ +static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { + PyErr_Format(PyExc_ValueError, + "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected); +} + +/* UnpackItemEndCheck */ +static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) { + if (unlikely(retval)) { + Py_DECREF(retval); + __Pyx_RaiseTooManyValuesError(expected); + return -1; + } else { + return __Pyx_IterFinish(); + } + return 0; +} + +/* RaiseNoneIterError */ +static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) { + PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable"); +} + +/* UnpackTupleError */ +static void __Pyx_UnpackTupleError(PyObject *t, Py_ssize_t index) { + if (t == Py_None) { + __Pyx_RaiseNoneNotIterableError(); + } else if (PyTuple_GET_SIZE(t) < index) { + __Pyx_RaiseNeedMoreValuesError(PyTuple_GET_SIZE(t)); + } else { + __Pyx_RaiseTooManyValuesError(index); + } +} + +/* UnpackTuple2 */ +static CYTHON_INLINE int __Pyx_unpack_tuple2_exact( + PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2, int decref_tuple) { + PyObject *value1 = NULL, *value2 = NULL; +#if CYTHON_COMPILING_IN_PYPY + value1 = PySequence_ITEM(tuple, 0); if (unlikely(!value1)) goto bad; + value2 = PySequence_ITEM(tuple, 1); if (unlikely(!value2)) goto bad; +#else + value1 = PyTuple_GET_ITEM(tuple, 0); Py_INCREF(value1); + value2 = PyTuple_GET_ITEM(tuple, 1); Py_INCREF(value2); +#endif + if (decref_tuple) { + Py_DECREF(tuple); + } + *pvalue1 = value1; + *pvalue2 = value2; + return 0; +#if CYTHON_COMPILING_IN_PYPY +bad: + Py_XDECREF(value1); + Py_XDECREF(value2); + if (decref_tuple) { Py_XDECREF(tuple); } + return -1; +#endif +} +static int __Pyx_unpack_tuple2_generic(PyObject* tuple, PyObject** pvalue1, PyObject** pvalue2, + int has_known_size, int decref_tuple) { + Py_ssize_t index; + PyObject *value1 = NULL, *value2 = NULL, *iter = NULL; + iternextfunc iternext; + iter = PyObject_GetIter(tuple); + if (unlikely(!iter)) goto bad; + if (decref_tuple) { Py_DECREF(tuple); tuple = NULL; } + iternext = Py_TYPE(iter)->tp_iternext; + value1 = iternext(iter); if (unlikely(!value1)) { index = 0; goto unpacking_failed; } + value2 = iternext(iter); if (unlikely(!value2)) { index = 1; goto unpacking_failed; } + if (!has_known_size && unlikely(__Pyx_IternextUnpackEndCheck(iternext(iter), 2))) goto bad; + Py_DECREF(iter); + *pvalue1 = value1; + *pvalue2 = value2; + return 0; +unpacking_failed: + if (!has_known_size && __Pyx_IterFinish() == 0) + __Pyx_RaiseNeedMoreValuesError(index); +bad: + Py_XDECREF(iter); + Py_XDECREF(value1); + Py_XDECREF(value2); + if (decref_tuple) { Py_XDECREF(tuple); } + return -1; +} + +/* dict_iter */ +static CYTHON_INLINE PyObject* __Pyx_dict_iterator(PyObject* iterable, int is_dict, PyObject* method_name, + Py_ssize_t* p_orig_length, int* p_source_is_dict) { + is_dict = is_dict || likely(PyDict_CheckExact(iterable)); + *p_source_is_dict = is_dict; + if (is_dict) { +#if !CYTHON_COMPILING_IN_PYPY + *p_orig_length = PyDict_Size(iterable); + Py_INCREF(iterable); + return iterable; +#elif PY_MAJOR_VERSION >= 3 + static PyObject *py_items = NULL, *py_keys = NULL, *py_values = NULL; + PyObject **pp = NULL; + if (method_name) { + const char *name = PyUnicode_AsUTF8(method_name); + if (strcmp(name, "iteritems") == 0) pp = &py_items; + else if (strcmp(name, "iterkeys") == 0) pp = &py_keys; + else if (strcmp(name, "itervalues") == 0) pp = &py_values; + if (pp) { + if (!*pp) { + *pp = PyUnicode_FromString(name + 4); + if (!*pp) + return NULL; + } + method_name = *pp; + } + } +#endif + } + *p_orig_length = 0; + if (method_name) { + PyObject* iter; + iterable = __Pyx_PyObject_CallMethod0(iterable, method_name); + if (!iterable) + return NULL; +#if !CYTHON_COMPILING_IN_PYPY + if (PyTuple_CheckExact(iterable) || PyList_CheckExact(iterable)) + return iterable; +#endif + iter = PyObject_GetIter(iterable); + Py_DECREF(iterable); + return iter; + } + return PyObject_GetIter(iterable); +} +static CYTHON_INLINE int __Pyx_dict_iter_next( + PyObject* iter_obj, CYTHON_NCP_UNUSED Py_ssize_t orig_length, CYTHON_NCP_UNUSED Py_ssize_t* ppos, + PyObject** pkey, PyObject** pvalue, PyObject** pitem, int source_is_dict) { + PyObject* next_item; +#if !CYTHON_COMPILING_IN_PYPY + if (source_is_dict) { + PyObject *key, *value; + if (unlikely(orig_length != PyDict_Size(iter_obj))) { + PyErr_SetString(PyExc_RuntimeError, "dictionary changed size during iteration"); + return -1; + } + if (unlikely(!PyDict_Next(iter_obj, ppos, &key, &value))) { + return 0; + } + if (pitem) { + PyObject* tuple = PyTuple_New(2); + if (unlikely(!tuple)) { + return -1; + } + Py_INCREF(key); + Py_INCREF(value); + PyTuple_SET_ITEM(tuple, 0, key); + PyTuple_SET_ITEM(tuple, 1, value); + *pitem = tuple; + } else { + if (pkey) { + Py_INCREF(key); + *pkey = key; + } + if (pvalue) { + Py_INCREF(value); + *pvalue = value; + } + } + return 1; + } else if (PyTuple_CheckExact(iter_obj)) { + Py_ssize_t pos = *ppos; + if (unlikely(pos >= PyTuple_GET_SIZE(iter_obj))) return 0; + *ppos = pos + 1; + next_item = PyTuple_GET_ITEM(iter_obj, pos); + Py_INCREF(next_item); + } else if (PyList_CheckExact(iter_obj)) { + Py_ssize_t pos = *ppos; + if (unlikely(pos >= PyList_GET_SIZE(iter_obj))) return 0; + *ppos = pos + 1; + next_item = PyList_GET_ITEM(iter_obj, pos); + Py_INCREF(next_item); + } else +#endif + { + next_item = PyIter_Next(iter_obj); + if (unlikely(!next_item)) { + return __Pyx_IterFinish(); + } + } + if (pitem) { + *pitem = next_item; + } else if (pkey && pvalue) { + if (__Pyx_unpack_tuple2(next_item, pkey, pvalue, source_is_dict, source_is_dict, 1)) + return -1; + } else if (pkey) { + *pkey = next_item; + } else { + *pvalue = next_item; + } + return 1; +} + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* SwapException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = *type; + exc_info->exc_value = *value; + exc_info->exc_traceback = *tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = *type; + tstate->exc_value = *value; + tstate->exc_traceback = *tb; + #endif + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb); + PyErr_SetExcInfo(*type, *value, *tb); + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; ip) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..2e9cd92 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.pyx b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.pyx new file mode 100644 index 0000000..84b42fa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_http_writer.pyx @@ -0,0 +1,151 @@ +from cpython.bytes cimport PyBytes_FromStringAndSize +from cpython.exc cimport PyErr_NoMemory +from cpython.mem cimport PyMem_Free, PyMem_Malloc, PyMem_Realloc +from cpython.object cimport PyObject_Str +from libc.stdint cimport uint8_t, uint64_t +from libc.string cimport memcpy + +from multidict import istr + +DEF BUF_SIZE = 16 * 1024 # 16KiB +cdef char BUFFER[BUF_SIZE] + +cdef object _istr = istr + + +# ----------------- writer --------------------------- + +cdef struct Writer: + char *buf + Py_ssize_t size + Py_ssize_t pos + + +cdef inline void _init_writer(Writer* writer): + writer.buf = &BUFFER[0] + writer.size = BUF_SIZE + writer.pos = 0 + + +cdef inline void _release_writer(Writer* writer): + if writer.buf != BUFFER: + PyMem_Free(writer.buf) + + +cdef inline int _write_byte(Writer* writer, uint8_t ch): + cdef char * buf + cdef Py_ssize_t size + + if writer.pos == writer.size: + # reallocate + size = writer.size + BUF_SIZE + if writer.buf == BUFFER: + buf = PyMem_Malloc(size) + if buf == NULL: + PyErr_NoMemory() + return -1 + memcpy(buf, writer.buf, writer.size) + else: + buf = PyMem_Realloc(writer.buf, size) + if buf == NULL: + PyErr_NoMemory() + return -1 + writer.buf = buf + writer.size = size + writer.buf[writer.pos] = ch + writer.pos += 1 + return 0 + + +cdef inline int _write_utf8(Writer* writer, Py_UCS4 symbol): + cdef uint64_t utf = symbol + + if utf < 0x80: + return _write_byte(writer, utf) + elif utf < 0x800: + if _write_byte(writer, (0xc0 | (utf >> 6))) < 0: + return -1 + return _write_byte(writer, (0x80 | (utf & 0x3f))) + elif 0xD800 <= utf <= 0xDFFF: + # surogate pair, ignored + return 0 + elif utf < 0x10000: + if _write_byte(writer, (0xe0 | (utf >> 12))) < 0: + return -1 + if _write_byte(writer, (0x80 | ((utf >> 6) & 0x3f))) < 0: + return -1 + return _write_byte(writer, (0x80 | (utf & 0x3f))) + elif utf > 0x10FFFF: + # symbol is too large + return 0 + else: + if _write_byte(writer, (0xf0 | (utf >> 18))) < 0: + return -1 + if _write_byte(writer, + (0x80 | ((utf >> 12) & 0x3f))) < 0: + return -1 + if _write_byte(writer, + (0x80 | ((utf >> 6) & 0x3f))) < 0: + return -1 + return _write_byte(writer, (0x80 | (utf & 0x3f))) + + +cdef inline int _write_str(Writer* writer, str s): + cdef Py_UCS4 ch + for ch in s: + if _write_utf8(writer, ch) < 0: + return -1 + + +# --------------- _serialize_headers ---------------------- + +cdef str to_str(object s): + typ = type(s) + if typ is str: + return s + elif typ is _istr: + return PyObject_Str(s) + elif not isinstance(s, str): + raise TypeError("Cannot serialize non-str key {!r}".format(s)) + else: + return str(s) + + +def _serialize_headers(str status_line, headers): + cdef Writer writer + cdef object key + cdef object val + cdef bytes ret + + _init_writer(&writer) + + try: + if _write_str(&writer, status_line) < 0: + raise + if _write_byte(&writer, b'\r') < 0: + raise + if _write_byte(&writer, b'\n') < 0: + raise + + for key, val in headers.items(): + if _write_str(&writer, to_str(key)) < 0: + raise + if _write_byte(&writer, b':') < 0: + raise + if _write_byte(&writer, b' ') < 0: + raise + if _write_str(&writer, to_str(val)) < 0: + raise + if _write_byte(&writer, b'\r') < 0: + raise + if _write_byte(&writer, b'\n') < 0: + raise + + if _write_byte(&writer, b'\r') < 0: + raise + if _write_byte(&writer, b'\n') < 0: + raise + + return PyBytes_FromStringAndSize(writer.buf, writer.pos) + finally: + _release_writer(&writer) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.c b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.c new file mode 100644 index 0000000..4891c24 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.c @@ -0,0 +1,3588 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__aiohttp___websocket +#define __PYX_HAVE_API__aiohttp___websocket +/* Early includes */ +#include +#include +#include "pythread.h" +#include +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "aiohttp/_websocket.pyx", + "type.pxd", + "bool.pxd", + "complex.pxd", +}; 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}} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); 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+#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); 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*/ + PyEval_InitThreads(); + #endif + #endif + /*--- Module creation code ---*/ + #if CYTHON_PEP489_MULTI_PHASE_INIT + __pyx_m = __pyx_pyinit_module; + Py_INCREF(__pyx_m); + #else + #if PY_MAJOR_VERSION < 3 + __pyx_m = Py_InitModule4("_websocket", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m); + #else + __pyx_m = PyModule_Create(&__pyx_moduledef); + #endif + if (unlikely(!__pyx_m)) __PYX_ERR(0, 1, __pyx_L1_error) + #endif + __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) __PYX_ERR(0, 1, __pyx_L1_error) + Py_INCREF(__pyx_d); + __pyx_b = PyImport_AddModule(__Pyx_BUILTIN_MODULE_NAME); if (unlikely(!__pyx_b)) __PYX_ERR(0, 1, __pyx_L1_error) + Py_INCREF(__pyx_b); + __pyx_cython_runtime = PyImport_AddModule((char *) "cython_runtime"); if (unlikely(!__pyx_cython_runtime)) __PYX_ERR(0, 1, __pyx_L1_error) + Py_INCREF(__pyx_cython_runtime); + if (PyObject_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) __PYX_ERR(0, 1, __pyx_L1_error); + /*--- Initialize various global constants etc. ---*/ + if (__Pyx_InitGlobals() < 0) __PYX_ERR(0, 1, __pyx_L1_error) + #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT) + if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error) + #endif + if (__pyx_module_is_main_aiohttp___websocket) { + if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error) + } + #if PY_MAJOR_VERSION >= 3 + { + PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error) + if (!PyDict_GetItemString(modules, "aiohttp._websocket")) { + if (unlikely(PyDict_SetItemString(modules, "aiohttp._websocket", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error) + } + } + #endif + /*--- Builtin init code ---*/ + if (__Pyx_InitCachedBuiltins() < 0) __PYX_ERR(0, 1, __pyx_L1_error) + /*--- Constants init code ---*/ + if (__Pyx_InitCachedConstants() < 0) __PYX_ERR(0, 1, __pyx_L1_error) + /*--- Global type/function init code ---*/ + (void)__Pyx_modinit_global_init_code(); + (void)__Pyx_modinit_variable_export_code(); + (void)__Pyx_modinit_function_export_code(); + (void)__Pyx_modinit_type_init_code(); + if (unlikely(__Pyx_modinit_type_import_code() < 0)) __PYX_ERR(0, 1, __pyx_L1_error) + (void)__Pyx_modinit_variable_import_code(); + (void)__Pyx_modinit_function_import_code(); + /*--- Execution code ---*/ + #if defined(__Pyx_Generator_USED) || defined(__Pyx_Coroutine_USED) + if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error) + #endif + + /* "aiohttp/_websocket.pyx":11 + * + * + * def _websocket_mask_cython(object mask, object data): # <<<<<<<<<<<<<< + * """Note, this function mutates its `data` argument + * """ + */ + __pyx_t_1 = PyCFunction_NewEx(&__pyx_mdef_7aiohttp_10_websocket_1_websocket_mask_cython, NULL, __pyx_n_s_aiohttp__websocket); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 11, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_1); + if (PyDict_SetItem(__pyx_d, __pyx_n_s_websocket_mask_cython, __pyx_t_1) < 0) __PYX_ERR(0, 11, __pyx_L1_error) + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /* "aiohttp/_websocket.pyx":1 + * from cpython cimport PyBytes_AsString # <<<<<<<<<<<<<< + * + * + */ + __pyx_t_1 = __Pyx_PyDict_NewPresized(0); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error) + __Pyx_GOTREF(__pyx_t_1); + if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) __PYX_ERR(0, 1, __pyx_L1_error) + __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0; + + /*--- Wrapped vars code ---*/ + + goto __pyx_L0; + __pyx_L1_error:; + __Pyx_XDECREF(__pyx_t_1); + if (__pyx_m) { + if (__pyx_d) { + __Pyx_AddTraceback("init aiohttp._websocket", __pyx_clineno, __pyx_lineno, __pyx_filename); + } + Py_CLEAR(__pyx_m); + } else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_ImportError, "init aiohttp._websocket"); + } + __pyx_L0:; + __Pyx_RefNannyFinishContext(); + #if CYTHON_PEP489_MULTI_PHASE_INIT + return (__pyx_m != NULL) ? 0 : -1; + #elif PY_MAJOR_VERSION >= 3 + return __pyx_m; + #else + return; + #endif +} + +/* --- Runtime support code --- */ +/* Refnanny */ +#if CYTHON_REFNANNY +static __Pyx_RefNannyAPIStruct *__Pyx_RefNannyImportAPI(const char *modname) { + PyObject *m = NULL, *p = NULL; + void *r = NULL; + m = PyImport_ImportModule(modname); + if (!m) goto end; + p = PyObject_GetAttrString(m, "RefNannyAPI"); + if (!p) goto end; + r = PyLong_AsVoidPtr(p); +end: + Py_XDECREF(p); + Py_XDECREF(m); + return (__Pyx_RefNannyAPIStruct *)r; +} +#endif + +/* PyObjectGetAttrStr */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) { + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro)) + return tp->tp_getattro(obj, attr_name); +#if PY_MAJOR_VERSION < 3 + if (likely(tp->tp_getattr)) + return tp->tp_getattr(obj, PyString_AS_STRING(attr_name)); +#endif + return PyObject_GetAttr(obj, attr_name); +} +#endif + +/* GetBuiltinName */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name) { + PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name); + if (unlikely(!result)) { + PyErr_Format(PyExc_NameError, +#if PY_MAJOR_VERSION >= 3 + "name '%U' is not defined", name); +#else + "name '%.200s' is not defined", PyString_AS_STRING(name)); +#endif + } + return result; +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* PyErrFetchRestore */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + tmp_type = tstate->curexc_type; + tmp_value = tstate->curexc_value; + tmp_tb = tstate->curexc_traceback; + tstate->curexc_type = type; + tstate->curexc_value = value; + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + *type = tstate->curexc_type; + *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; ip) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..29da558 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.pyx b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.pyx new file mode 100644 index 0000000..94318d2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/_websocket.pyx @@ -0,0 +1,56 @@ +from cpython cimport PyBytes_AsString + + +#from cpython cimport PyByteArray_AsString # cython still not exports that +cdef extern from "Python.h": + char* PyByteArray_AsString(bytearray ba) except NULL + +from libc.stdint cimport uint32_t, uint64_t, uintmax_t + + +def _websocket_mask_cython(object mask, object data): + """Note, this function mutates its `data` argument + """ + cdef: + Py_ssize_t data_len, i + # bit operations on signed integers are implementation-specific + unsigned char * in_buf + const unsigned char * mask_buf + uint32_t uint32_msk + uint64_t uint64_msk + + assert len(mask) == 4 + + if not isinstance(mask, bytes): + mask = bytes(mask) + + if isinstance(data, bytearray): + data = data + else: + data = bytearray(data) + + data_len = len(data) + in_buf = PyByteArray_AsString(data) + mask_buf = PyBytes_AsString(mask) + uint32_msk = (mask_buf)[0] + + # TODO: align in_data ptr to achieve even faster speeds + # does it need in python ?! malloc() always aligns to sizeof(long) bytes + + if sizeof(size_t) >= 8: + uint64_msk = uint32_msk + uint64_msk = (uint64_msk << 32) | uint32_msk + + while data_len >= 8: + (in_buf)[0] ^= uint64_msk + in_buf += 8 + data_len -= 8 + + + while data_len >= 4: + (in_buf)[0] ^= uint32_msk + in_buf += 4 + data_len -= 4 + + for i in range(0, data_len): + in_buf[i] ^= mask_buf[i] diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/abc.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/abc.py new file mode 100644 index 0000000..4abfd79 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/abc.py @@ -0,0 +1,200 @@ +import asyncio +import logging +from abc import ABC, abstractmethod +from collections.abc import Sized +from http.cookies import BaseCookie, Morsel +from typing import ( + TYPE_CHECKING, + Any, + Awaitable, + Callable, + Dict, + Generator, + Iterable, + List, + Optional, + Tuple, +) + +from multidict import CIMultiDict +from yarl import URL + +from .helpers import get_running_loop +from .typedefs import LooseCookies + +if TYPE_CHECKING: # pragma: no cover + from .web_app import Application + from .web_exceptions import HTTPException + from .web_request import BaseRequest, Request + from .web_response import StreamResponse +else: + BaseRequest = Request = Application = StreamResponse = None + HTTPException = None + + +class AbstractRouter(ABC): + def __init__(self) -> None: + self._frozen = False + + def post_init(self, app: Application) -> None: + """Post init stage. + + Not an abstract method for sake of backward compatibility, + but if the router wants to be aware of the application + it can override this. + """ + + @property + def frozen(self) -> bool: + return self._frozen + + def freeze(self) -> None: + """Freeze router.""" + self._frozen = True + + @abstractmethod + async def resolve(self, request: Request) -> "AbstractMatchInfo": + """Return MATCH_INFO for given request""" + + +class AbstractMatchInfo(ABC): + @property # pragma: no branch + @abstractmethod + def handler(self) -> Callable[[Request], Awaitable[StreamResponse]]: + """Execute matched request handler""" + + @property + @abstractmethod + def expect_handler(self) -> Callable[[Request], Awaitable[None]]: + """Expect handler for 100-continue processing""" + + @property # pragma: no branch + @abstractmethod + def http_exception(self) -> Optional[HTTPException]: + """HTTPException instance raised on router's resolving, or None""" + + @abstractmethod # pragma: no branch + def get_info(self) -> Dict[str, Any]: + """Return a dict with additional info useful for introspection""" + + @property # pragma: no branch + @abstractmethod + def apps(self) -> Tuple[Application, ...]: + """Stack of nested applications. + + Top level application is left-most element. + + """ + + @abstractmethod + def add_app(self, app: Application) -> None: + """Add application to the nested apps stack.""" + + @abstractmethod + def freeze(self) -> None: + """Freeze the match info. + + The method is called after route resolution. + + After the call .add_app() is forbidden. + + """ + + +class AbstractView(ABC): + """Abstract class based view.""" + + def __init__(self, request: Request) -> None: + self._request = request + + @property + def request(self) -> Request: + """Request instance.""" + return self._request + + @abstractmethod + def __await__(self) -> Generator[Any, None, StreamResponse]: + """Execute the view handler.""" + + +class AbstractResolver(ABC): + """Abstract DNS resolver.""" + + @abstractmethod + async def resolve(self, host: str, port: int, family: int) -> List[Dict[str, Any]]: + """Return IP address for given hostname""" + + @abstractmethod + async def close(self) -> None: + """Release resolver""" + + +if TYPE_CHECKING: # pragma: no cover + IterableBase = Iterable[Morsel[str]] +else: + IterableBase = Iterable + + +class AbstractCookieJar(Sized, IterableBase): + """Abstract Cookie Jar.""" + + def __init__(self, *, loop: Optional[asyncio.AbstractEventLoop] = None) -> None: + self._loop = get_running_loop(loop) + + @abstractmethod + def clear(self) -> None: + """Clear all cookies.""" + + @abstractmethod + def update_cookies(self, cookies: LooseCookies, response_url: URL = URL()) -> None: + """Update cookies.""" + + @abstractmethod + def filter_cookies(self, request_url: URL) -> "BaseCookie[str]": + """Return the jar's cookies filtered by their attributes.""" + + +class AbstractStreamWriter(ABC): + """Abstract stream writer.""" + + buffer_size = 0 + output_size = 0 + length = 0 # type: Optional[int] + + @abstractmethod + async def write(self, chunk: bytes) -> None: + """Write chunk into stream.""" + + @abstractmethod + async def write_eof(self, chunk: bytes = b"") -> None: + """Write last chunk.""" + + @abstractmethod + async def drain(self) -> None: + """Flush the write buffer.""" + + @abstractmethod + def enable_compression(self, encoding: str = "deflate") -> None: + """Enable HTTP body compression""" + + @abstractmethod + def enable_chunking(self) -> None: + """Enable HTTP chunked mode""" + + @abstractmethod + async def write_headers( + self, status_line: str, headers: "CIMultiDict[str]" + ) -> None: + """Write HTTP headers""" + + +class AbstractAccessLogger(ABC): + """Abstract writer to access log.""" + + def __init__(self, logger: logging.Logger, log_format: str) -> None: + self.logger = logger + self.log_format = log_format + + @abstractmethod + def log(self, request: BaseRequest, response: StreamResponse, time: float) -> None: + """Emit log to logger.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/base_protocol.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/base_protocol.py new file mode 100644 index 0000000..01e1831 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/base_protocol.py @@ -0,0 +1,87 @@ +import asyncio +from typing import Optional, cast + +from .tcp_helpers import tcp_nodelay + + +class BaseProtocol(asyncio.Protocol): + __slots__ = ( + "_loop", + "_paused", + "_drain_waiter", + "_connection_lost", + "_reading_paused", + "transport", + ) + + def __init__(self, loop: asyncio.AbstractEventLoop) -> None: + self._loop = loop # type: asyncio.AbstractEventLoop + self._paused = False + self._drain_waiter = None # type: Optional[asyncio.Future[None]] + self._connection_lost = False + self._reading_paused = False + + self.transport = None # type: Optional[asyncio.Transport] + + def pause_writing(self) -> None: + assert not self._paused + self._paused = True + + def resume_writing(self) -> None: + assert self._paused + self._paused = False + + waiter = self._drain_waiter + if waiter is not None: + self._drain_waiter = None + if not waiter.done(): + waiter.set_result(None) + + def pause_reading(self) -> None: + if not self._reading_paused and self.transport is not None: + try: + self.transport.pause_reading() + except (AttributeError, NotImplementedError, RuntimeError): + pass + self._reading_paused = True + + def resume_reading(self) -> None: + if self._reading_paused and self.transport is not None: + try: + self.transport.resume_reading() + except (AttributeError, NotImplementedError, RuntimeError): + pass + self._reading_paused = False + + def connection_made(self, transport: asyncio.BaseTransport) -> None: + tr = cast(asyncio.Transport, transport) + tcp_nodelay(tr, True) + self.transport = tr + + def connection_lost(self, exc: Optional[BaseException]) -> None: + self._connection_lost = True + # Wake up the writer if currently paused. + self.transport = None + if not self._paused: + return + waiter = self._drain_waiter + if waiter is None: + return + self._drain_waiter = None + if waiter.done(): + return + if exc is None: + waiter.set_result(None) + else: + waiter.set_exception(exc) + + async def _drain_helper(self) -> None: + if self._connection_lost: + raise ConnectionResetError("Connection lost") + if not self._paused: + return + waiter = self._drain_waiter + assert waiter is None or waiter.cancelled() + waiter = self._loop.create_future() + self._drain_waiter = waiter + await waiter diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/client.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client.py new file mode 100644 index 0000000..a9da8e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client.py @@ -0,0 +1,1275 @@ +"""HTTP Client for asyncio.""" + +import asyncio +import base64 +import hashlib +import json +import os +import sys +import traceback +import warnings +from types import SimpleNamespace, TracebackType +from typing import ( + Any, + Awaitable, + Callable, + Coroutine, + FrozenSet, + Generator, + Generic, + Iterable, + List, + Mapping, + Optional, + Set, + Tuple, + Type, + TypeVar, + Union, +) + +import attr +from multidict import CIMultiDict, MultiDict, MultiDictProxy, istr +from yarl import URL + +from . import hdrs, http, payload +from .abc import AbstractCookieJar +from .client_exceptions import ( + ClientConnectionError as ClientConnectionError, + ClientConnectorCertificateError as ClientConnectorCertificateError, + ClientConnectorError as ClientConnectorError, + ClientConnectorSSLError as ClientConnectorSSLError, + ClientError as ClientError, + ClientHttpProxyError as ClientHttpProxyError, + ClientOSError as ClientOSError, + ClientPayloadError as ClientPayloadError, + ClientProxyConnectionError as ClientProxyConnectionError, + ClientResponseError as ClientResponseError, + ClientSSLError as ClientSSLError, + ContentTypeError as ContentTypeError, + InvalidURL as InvalidURL, + ServerConnectionError as ServerConnectionError, + ServerDisconnectedError as ServerDisconnectedError, + ServerFingerprintMismatch as ServerFingerprintMismatch, + ServerTimeoutError as ServerTimeoutError, + TooManyRedirects as TooManyRedirects, + WSServerHandshakeError as WSServerHandshakeError, +) +from .client_reqrep import ( + ClientRequest as ClientRequest, + ClientResponse as ClientResponse, + Fingerprint as Fingerprint, + RequestInfo as RequestInfo, + _merge_ssl_params, +) +from .client_ws import ClientWebSocketResponse as ClientWebSocketResponse +from .connector import ( + BaseConnector as BaseConnector, + NamedPipeConnector as NamedPipeConnector, + TCPConnector as TCPConnector, + UnixConnector as UnixConnector, +) +from .cookiejar import CookieJar +from .helpers import ( + DEBUG, + PY_36, + BasicAuth, + CeilTimeout, + TimeoutHandle, + get_running_loop, + proxies_from_env, + sentinel, + strip_auth_from_url, +) +from .http import WS_KEY, HttpVersion, WebSocketReader, WebSocketWriter +from .http_websocket import WSHandshakeError, WSMessage, ws_ext_gen, ws_ext_parse +from .streams import FlowControlDataQueue +from .tracing import Trace, TraceConfig +from .typedefs import JSONEncoder, LooseCookies, LooseHeaders, StrOrURL + +__all__ = ( + # client_exceptions + "ClientConnectionError", + "ClientConnectorCertificateError", + "ClientConnectorError", + "ClientConnectorSSLError", + "ClientError", + "ClientHttpProxyError", + "ClientOSError", + "ClientPayloadError", + "ClientProxyConnectionError", + "ClientResponseError", + "ClientSSLError", + "ContentTypeError", + "InvalidURL", + "ServerConnectionError", + "ServerDisconnectedError", + "ServerFingerprintMismatch", + "ServerTimeoutError", + "TooManyRedirects", + "WSServerHandshakeError", + # client_reqrep + "ClientRequest", + "ClientResponse", + "Fingerprint", + "RequestInfo", + # connector + "BaseConnector", + "TCPConnector", + "UnixConnector", + "NamedPipeConnector", + # client_ws + "ClientWebSocketResponse", + # client + "ClientSession", + "ClientTimeout", + "request", +) + + +try: + from ssl import SSLContext +except ImportError: # pragma: no cover + SSLContext = object # type: ignore + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class ClientTimeout: + total: Optional[float] = None + connect: Optional[float] = None + sock_read: Optional[float] = None + sock_connect: Optional[float] = None + + # pool_queue_timeout: Optional[float] = None + # dns_resolution_timeout: Optional[float] = None + # socket_connect_timeout: Optional[float] = None + # connection_acquiring_timeout: Optional[float] = None + # new_connection_timeout: Optional[float] = None + # http_header_timeout: Optional[float] = None + # response_body_timeout: Optional[float] = None + + # to create a timeout specific for a single request, either + # - create a completely new one to overwrite the default + # - or use http://www.attrs.org/en/stable/api.html#attr.evolve + # to overwrite the defaults + + +# 5 Minute default read timeout +DEFAULT_TIMEOUT = ClientTimeout(total=5 * 60) + +_RetType = TypeVar("_RetType") + + +class ClientSession: + """First-class interface for making HTTP requests.""" + + ATTRS = frozenset( + [ + "_source_traceback", + "_connector", + "requote_redirect_url", + "_loop", + "_cookie_jar", + "_connector_owner", + "_default_auth", + "_version", + "_json_serialize", + "_requote_redirect_url", + "_timeout", + "_raise_for_status", + "_auto_decompress", + "_trust_env", + "_default_headers", + "_skip_auto_headers", + "_request_class", + "_response_class", + "_ws_response_class", + "_trace_configs", + "_read_bufsize", + ] + ) + + _source_traceback = None + + def __init__( + self, + *, + connector: Optional[BaseConnector] = None, + loop: Optional[asyncio.AbstractEventLoop] = None, + cookies: Optional[LooseCookies] = None, + headers: Optional[LooseHeaders] = None, + skip_auto_headers: Optional[Iterable[str]] = None, + auth: Optional[BasicAuth] = None, + json_serialize: JSONEncoder = json.dumps, + request_class: Type[ClientRequest] = ClientRequest, + response_class: Type[ClientResponse] = ClientResponse, + ws_response_class: Type[ClientWebSocketResponse] = ClientWebSocketResponse, + version: HttpVersion = http.HttpVersion11, + cookie_jar: Optional[AbstractCookieJar] = None, + connector_owner: bool = True, + raise_for_status: bool = False, + read_timeout: Union[float, object] = sentinel, + conn_timeout: Optional[float] = None, + timeout: Union[object, ClientTimeout] = sentinel, + auto_decompress: bool = True, + trust_env: bool = False, + requote_redirect_url: bool = True, + trace_configs: Optional[List[TraceConfig]] = None, + read_bufsize: int = 2 ** 16, + ) -> None: + + if loop is None: + if connector is not None: + loop = connector._loop + + loop = get_running_loop(loop) + + if connector is None: + connector = TCPConnector(loop=loop) + + if connector._loop is not loop: + raise RuntimeError("Session and connector has to use same event loop") + + self._loop = loop + + if loop.get_debug(): + self._source_traceback = traceback.extract_stack(sys._getframe(1)) + + if cookie_jar is None: + cookie_jar = CookieJar(loop=loop) + self._cookie_jar = cookie_jar + + if cookies is not None: + self._cookie_jar.update_cookies(cookies) + + self._connector = connector # type: Optional[BaseConnector] + self._connector_owner = connector_owner + self._default_auth = auth + self._version = version + self._json_serialize = json_serialize + if timeout is sentinel: + self._timeout = DEFAULT_TIMEOUT + if read_timeout is not sentinel: + warnings.warn( + "read_timeout is deprecated, " "use timeout argument instead", + DeprecationWarning, + stacklevel=2, + ) + self._timeout = attr.evolve(self._timeout, total=read_timeout) + if conn_timeout is not None: + self._timeout = attr.evolve(self._timeout, connect=conn_timeout) + warnings.warn( + "conn_timeout is deprecated, " "use timeout argument instead", + DeprecationWarning, + stacklevel=2, + ) + else: + self._timeout = timeout # type: ignore + if read_timeout is not sentinel: + raise ValueError( + "read_timeout and timeout parameters " + "conflict, please setup " + "timeout.read" + ) + if conn_timeout is not None: + raise ValueError( + "conn_timeout and timeout parameters " + "conflict, please setup " + "timeout.connect" + ) + self._raise_for_status = raise_for_status + self._auto_decompress = auto_decompress + self._trust_env = trust_env + self._requote_redirect_url = requote_redirect_url + self._read_bufsize = read_bufsize + + # Convert to list of tuples + if headers: + real_headers = CIMultiDict(headers) # type: CIMultiDict[str] + else: + real_headers = CIMultiDict() + self._default_headers = real_headers # type: CIMultiDict[str] + if skip_auto_headers is not None: + self._skip_auto_headers = frozenset([istr(i) for i in skip_auto_headers]) + else: + self._skip_auto_headers = frozenset() + + self._request_class = request_class + self._response_class = response_class + self._ws_response_class = ws_response_class + + self._trace_configs = trace_configs or [] + for trace_config in self._trace_configs: + trace_config.freeze() + + def __init_subclass__(cls: Type["ClientSession"]) -> None: + warnings.warn( + "Inheritance class {} from ClientSession " + "is discouraged".format(cls.__name__), + DeprecationWarning, + stacklevel=2, + ) + + if DEBUG: + + def __setattr__(self, name: str, val: Any) -> None: + if name not in self.ATTRS: + warnings.warn( + "Setting custom ClientSession.{} attribute " + "is discouraged".format(name), + DeprecationWarning, + stacklevel=2, + ) + super().__setattr__(name, val) + + def __del__(self, _warnings: Any = warnings) -> None: + if not self.closed: + if PY_36: + kwargs = {"source": self} + else: + kwargs = {} + _warnings.warn( + f"Unclosed client session {self!r}", ResourceWarning, **kwargs + ) + context = {"client_session": self, "message": "Unclosed client session"} + if self._source_traceback is not None: + context["source_traceback"] = self._source_traceback + self._loop.call_exception_handler(context) + + def request( + self, method: str, url: StrOrURL, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP request.""" + return _RequestContextManager(self._request(method, url, **kwargs)) + + async def _request( + self, + method: str, + str_or_url: StrOrURL, + *, + params: Optional[Mapping[str, str]] = None, + data: Any = None, + json: Any = None, + cookies: Optional[LooseCookies] = None, + headers: Optional[LooseHeaders] = None, + skip_auto_headers: Optional[Iterable[str]] = None, + auth: Optional[BasicAuth] = None, + allow_redirects: bool = True, + max_redirects: int = 10, + compress: Optional[str] = None, + chunked: Optional[bool] = None, + expect100: bool = False, + raise_for_status: Optional[bool] = None, + read_until_eof: bool = True, + proxy: Optional[StrOrURL] = None, + proxy_auth: Optional[BasicAuth] = None, + timeout: Union[ClientTimeout, object] = sentinel, + verify_ssl: Optional[bool] = None, + fingerprint: Optional[bytes] = None, + ssl_context: Optional[SSLContext] = None, + ssl: Optional[Union[SSLContext, bool, Fingerprint]] = None, + proxy_headers: Optional[LooseHeaders] = None, + trace_request_ctx: Optional[SimpleNamespace] = None, + read_bufsize: Optional[int] = None, + ) -> ClientResponse: + + # NOTE: timeout clamps existing connect and read timeouts. We cannot + # set the default to None because we need to detect if the user wants + # to use the existing timeouts by setting timeout to None. + + if self.closed: + raise RuntimeError("Session is closed") + + ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint) + + if data is not None and json is not None: + raise ValueError( + "data and json parameters can not be used at the same time" + ) + elif json is not None: + data = payload.JsonPayload(json, dumps=self._json_serialize) + + if not isinstance(chunked, bool) and chunked is not None: + warnings.warn("Chunk size is deprecated #1615", DeprecationWarning) + + redirects = 0 + history = [] + version = self._version + + # Merge with default headers and transform to CIMultiDict + headers = self._prepare_headers(headers) + proxy_headers = self._prepare_headers(proxy_headers) + + try: + url = URL(str_or_url) + except ValueError as e: + raise InvalidURL(str_or_url) from e + + skip_headers = set(self._skip_auto_headers) + if skip_auto_headers is not None: + for i in skip_auto_headers: + skip_headers.add(istr(i)) + + if proxy is not None: + try: + proxy = URL(proxy) + except ValueError as e: + raise InvalidURL(proxy) from e + + if timeout is sentinel: + real_timeout = self._timeout # type: ClientTimeout + else: + if not isinstance(timeout, ClientTimeout): + real_timeout = ClientTimeout(total=timeout) # type: ignore + else: + real_timeout = timeout + # timeout is cumulative for all request operations + # (request, redirects, responses, data consuming) + tm = TimeoutHandle(self._loop, real_timeout.total) + handle = tm.start() + + if read_bufsize is None: + read_bufsize = self._read_bufsize + + traces = [ + Trace( + self, + trace_config, + trace_config.trace_config_ctx(trace_request_ctx=trace_request_ctx), + ) + for trace_config in self._trace_configs + ] + + for trace in traces: + await trace.send_request_start(method, url, headers) + + timer = tm.timer() + try: + with timer: + while True: + url, auth_from_url = strip_auth_from_url(url) + if auth and auth_from_url: + raise ValueError( + "Cannot combine AUTH argument with " + "credentials encoded in URL" + ) + + if auth is None: + auth = auth_from_url + if auth is None: + auth = self._default_auth + # It would be confusing if we support explicit + # Authorization header with auth argument + if ( + headers is not None + and auth is not None + and hdrs.AUTHORIZATION in headers + ): + raise ValueError( + "Cannot combine AUTHORIZATION header " + "with AUTH argument or credentials " + "encoded in URL" + ) + + all_cookies = self._cookie_jar.filter_cookies(url) + + if cookies is not None: + tmp_cookie_jar = CookieJar() + tmp_cookie_jar.update_cookies(cookies) + req_cookies = tmp_cookie_jar.filter_cookies(url) + if req_cookies: + all_cookies.load(req_cookies) + + if proxy is not None: + proxy = URL(proxy) + elif self._trust_env: + for scheme, proxy_info in proxies_from_env().items(): + if scheme == url.scheme: + proxy = proxy_info.proxy + proxy_auth = proxy_info.proxy_auth + break + + req = self._request_class( + method, + url, + params=params, + headers=headers, + skip_auto_headers=skip_headers, + data=data, + cookies=all_cookies, + auth=auth, + version=version, + compress=compress, + chunked=chunked, + expect100=expect100, + loop=self._loop, + response_class=self._response_class, + proxy=proxy, + proxy_auth=proxy_auth, + timer=timer, + session=self, + ssl=ssl, + proxy_headers=proxy_headers, + traces=traces, + ) + + # connection timeout + try: + with CeilTimeout(real_timeout.connect, loop=self._loop): + assert self._connector is not None + conn = await self._connector.connect( + req, traces=traces, timeout=real_timeout + ) + except asyncio.TimeoutError as exc: + raise ServerTimeoutError( + "Connection timeout " "to host {}".format(url) + ) from exc + + assert conn.transport is not None + + assert conn.protocol is not None + conn.protocol.set_response_params( + timer=timer, + skip_payload=method.upper() == "HEAD", + read_until_eof=read_until_eof, + auto_decompress=self._auto_decompress, + read_timeout=real_timeout.sock_read, + read_bufsize=read_bufsize, + ) + + try: + try: + resp = await req.send(conn) + try: + await resp.start(conn) + except BaseException: + resp.close() + raise + except BaseException: + conn.close() + raise + except ClientError: + raise + except OSError as exc: + raise ClientOSError(*exc.args) from exc + + self._cookie_jar.update_cookies(resp.cookies, resp.url) + + # redirects + if resp.status in (301, 302, 303, 307, 308) and allow_redirects: + + for trace in traces: + await trace.send_request_redirect( + method, url, headers, resp + ) + + redirects += 1 + history.append(resp) + if max_redirects and redirects >= max_redirects: + resp.close() + raise TooManyRedirects( + history[0].request_info, tuple(history) + ) + + # For 301 and 302, mimic IE, now changed in RFC + # https://github.com/kennethreitz/requests/pull/269 + if (resp.status == 303 and resp.method != hdrs.METH_HEAD) or ( + resp.status in (301, 302) and resp.method == hdrs.METH_POST + ): + method = hdrs.METH_GET + data = None + if headers.get(hdrs.CONTENT_LENGTH): + headers.pop(hdrs.CONTENT_LENGTH) + + r_url = resp.headers.get(hdrs.LOCATION) or resp.headers.get( + hdrs.URI + ) + if r_url is None: + # see github.com/aio-libs/aiohttp/issues/2022 + break + else: + # reading from correct redirection + # response is forbidden + resp.release() + + try: + parsed_url = URL( + r_url, encoded=not self._requote_redirect_url + ) + + except ValueError as e: + raise InvalidURL(r_url) from e + + scheme = parsed_url.scheme + if scheme not in ("http", "https", ""): + resp.close() + raise ValueError("Can redirect only to http or https") + elif not scheme: + parsed_url = url.join(parsed_url) + + if url.origin() != parsed_url.origin(): + auth = None + headers.pop(hdrs.AUTHORIZATION, None) + + url = parsed_url + params = None + resp.release() + continue + + break + + # check response status + if raise_for_status is None: + raise_for_status = self._raise_for_status + if raise_for_status: + resp.raise_for_status() + + # register connection + if handle is not None: + if resp.connection is not None: + resp.connection.add_callback(handle.cancel) + else: + handle.cancel() + + resp._history = tuple(history) + + for trace in traces: + await trace.send_request_end(method, url, headers, resp) + return resp + + except BaseException as e: + # cleanup timer + tm.close() + if handle: + handle.cancel() + handle = None + + for trace in traces: + await trace.send_request_exception(method, url, headers, e) + raise + + def ws_connect( + self, + url: StrOrURL, + *, + method: str = hdrs.METH_GET, + protocols: Iterable[str] = (), + timeout: float = 10.0, + receive_timeout: Optional[float] = None, + autoclose: bool = True, + autoping: bool = True, + heartbeat: Optional[float] = None, + auth: Optional[BasicAuth] = None, + origin: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + proxy: Optional[StrOrURL] = None, + proxy_auth: Optional[BasicAuth] = None, + ssl: Union[SSLContext, bool, None, Fingerprint] = None, + verify_ssl: Optional[bool] = None, + fingerprint: Optional[bytes] = None, + ssl_context: Optional[SSLContext] = None, + proxy_headers: Optional[LooseHeaders] = None, + compress: int = 0, + max_msg_size: int = 4 * 1024 * 1024, + ) -> "_WSRequestContextManager": + """Initiate websocket connection.""" + return _WSRequestContextManager( + self._ws_connect( + url, + method=method, + protocols=protocols, + timeout=timeout, + receive_timeout=receive_timeout, + autoclose=autoclose, + autoping=autoping, + heartbeat=heartbeat, + auth=auth, + origin=origin, + headers=headers, + proxy=proxy, + proxy_auth=proxy_auth, + ssl=ssl, + verify_ssl=verify_ssl, + fingerprint=fingerprint, + ssl_context=ssl_context, + proxy_headers=proxy_headers, + compress=compress, + max_msg_size=max_msg_size, + ) + ) + + async def _ws_connect( + self, + url: StrOrURL, + *, + method: str = hdrs.METH_GET, + protocols: Iterable[str] = (), + timeout: float = 10.0, + receive_timeout: Optional[float] = None, + autoclose: bool = True, + autoping: bool = True, + heartbeat: Optional[float] = None, + auth: Optional[BasicAuth] = None, + origin: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + proxy: Optional[StrOrURL] = None, + proxy_auth: Optional[BasicAuth] = None, + ssl: Union[SSLContext, bool, None, Fingerprint] = None, + verify_ssl: Optional[bool] = None, + fingerprint: Optional[bytes] = None, + ssl_context: Optional[SSLContext] = None, + proxy_headers: Optional[LooseHeaders] = None, + compress: int = 0, + max_msg_size: int = 4 * 1024 * 1024, + ) -> ClientWebSocketResponse: + + if headers is None: + real_headers = CIMultiDict() # type: CIMultiDict[str] + else: + real_headers = CIMultiDict(headers) + + default_headers = { + hdrs.UPGRADE: "websocket", + hdrs.CONNECTION: "upgrade", + hdrs.SEC_WEBSOCKET_VERSION: "13", + } + + for key, value in default_headers.items(): + real_headers.setdefault(key, value) + + sec_key = base64.b64encode(os.urandom(16)) + real_headers[hdrs.SEC_WEBSOCKET_KEY] = sec_key.decode() + + if protocols: + real_headers[hdrs.SEC_WEBSOCKET_PROTOCOL] = ",".join(protocols) + if origin is not None: + real_headers[hdrs.ORIGIN] = origin + if compress: + extstr = ws_ext_gen(compress=compress) + real_headers[hdrs.SEC_WEBSOCKET_EXTENSIONS] = extstr + + ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint) + + # send request + resp = await self.request( + method, + url, + headers=real_headers, + read_until_eof=False, + auth=auth, + proxy=proxy, + proxy_auth=proxy_auth, + ssl=ssl, + proxy_headers=proxy_headers, + ) + + try: + # check handshake + if resp.status != 101: + raise WSServerHandshakeError( + resp.request_info, + resp.history, + message="Invalid response status", + status=resp.status, + headers=resp.headers, + ) + + if resp.headers.get(hdrs.UPGRADE, "").lower() != "websocket": + raise WSServerHandshakeError( + resp.request_info, + resp.history, + message="Invalid upgrade header", + status=resp.status, + headers=resp.headers, + ) + + if resp.headers.get(hdrs.CONNECTION, "").lower() != "upgrade": + raise WSServerHandshakeError( + resp.request_info, + resp.history, + message="Invalid connection header", + status=resp.status, + headers=resp.headers, + ) + + # key calculation + r_key = resp.headers.get(hdrs.SEC_WEBSOCKET_ACCEPT, "") + match = base64.b64encode(hashlib.sha1(sec_key + WS_KEY).digest()).decode() + if r_key != match: + raise WSServerHandshakeError( + resp.request_info, + resp.history, + message="Invalid challenge response", + status=resp.status, + headers=resp.headers, + ) + + # websocket protocol + protocol = None + if protocols and hdrs.SEC_WEBSOCKET_PROTOCOL in resp.headers: + resp_protocols = [ + proto.strip() + for proto in resp.headers[hdrs.SEC_WEBSOCKET_PROTOCOL].split(",") + ] + + for proto in resp_protocols: + if proto in protocols: + protocol = proto + break + + # websocket compress + notakeover = False + if compress: + compress_hdrs = resp.headers.get(hdrs.SEC_WEBSOCKET_EXTENSIONS) + if compress_hdrs: + try: + compress, notakeover = ws_ext_parse(compress_hdrs) + except WSHandshakeError as exc: + raise WSServerHandshakeError( + resp.request_info, + resp.history, + message=exc.args[0], + status=resp.status, + headers=resp.headers, + ) from exc + else: + compress = 0 + notakeover = False + + conn = resp.connection + assert conn is not None + conn_proto = conn.protocol + assert conn_proto is not None + transport = conn.transport + assert transport is not None + reader = FlowControlDataQueue( + conn_proto, 2 ** 16, loop=self._loop + ) # type: FlowControlDataQueue[WSMessage] + conn_proto.set_parser(WebSocketReader(reader, max_msg_size), reader) + writer = WebSocketWriter( + conn_proto, + transport, + use_mask=True, + compress=compress, + notakeover=notakeover, + ) + except BaseException: + resp.close() + raise + else: + return self._ws_response_class( + reader, + writer, + protocol, + resp, + timeout, + autoclose, + autoping, + self._loop, + receive_timeout=receive_timeout, + heartbeat=heartbeat, + compress=compress, + client_notakeover=notakeover, + ) + + def _prepare_headers(self, headers: Optional[LooseHeaders]) -> "CIMultiDict[str]": + """Add default headers and transform it to CIMultiDict""" + # Convert headers to MultiDict + result = CIMultiDict(self._default_headers) + if headers: + if not isinstance(headers, (MultiDictProxy, MultiDict)): + headers = CIMultiDict(headers) + added_names = set() # type: Set[str] + for key, value in headers.items(): + if key in added_names: + result.add(key, value) + else: + result[key] = value + added_names.add(key) + return result + + def get( + self, url: StrOrURL, *, allow_redirects: bool = True, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP GET request.""" + return _RequestContextManager( + self._request(hdrs.METH_GET, url, allow_redirects=allow_redirects, **kwargs) + ) + + def options( + self, url: StrOrURL, *, allow_redirects: bool = True, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP OPTIONS request.""" + return _RequestContextManager( + self._request( + hdrs.METH_OPTIONS, url, allow_redirects=allow_redirects, **kwargs + ) + ) + + def head( + self, url: StrOrURL, *, allow_redirects: bool = False, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP HEAD request.""" + return _RequestContextManager( + self._request( + hdrs.METH_HEAD, url, allow_redirects=allow_redirects, **kwargs + ) + ) + + def post( + self, url: StrOrURL, *, data: Any = None, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP POST request.""" + return _RequestContextManager( + self._request(hdrs.METH_POST, url, data=data, **kwargs) + ) + + def put( + self, url: StrOrURL, *, data: Any = None, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP PUT request.""" + return _RequestContextManager( + self._request(hdrs.METH_PUT, url, data=data, **kwargs) + ) + + def patch( + self, url: StrOrURL, *, data: Any = None, **kwargs: Any + ) -> "_RequestContextManager": + """Perform HTTP PATCH request.""" + return _RequestContextManager( + self._request(hdrs.METH_PATCH, url, data=data, **kwargs) + ) + + def delete(self, url: StrOrURL, **kwargs: Any) -> "_RequestContextManager": + """Perform HTTP DELETE request.""" + return _RequestContextManager(self._request(hdrs.METH_DELETE, url, **kwargs)) + + async def close(self) -> None: + """Close underlying connector. + + Release all acquired resources. + """ + if not self.closed: + if self._connector is not None and self._connector_owner: + await self._connector.close() + self._connector = None + + @property + def closed(self) -> bool: + """Is client session closed. + + A readonly property. + """ + return self._connector is None or self._connector.closed + + @property + def connector(self) -> Optional[BaseConnector]: + """Connector instance used for the session.""" + return self._connector + + @property + def cookie_jar(self) -> AbstractCookieJar: + """The session cookies.""" + return self._cookie_jar + + @property + def version(self) -> Tuple[int, int]: + """The session HTTP protocol version.""" + return self._version + + @property + def requote_redirect_url(self) -> bool: + """Do URL requoting on redirection handling.""" + return self._requote_redirect_url + + @requote_redirect_url.setter + def requote_redirect_url(self, val: bool) -> None: + """Do URL requoting on redirection handling.""" + warnings.warn( + "session.requote_redirect_url modification " "is deprecated #2778", + DeprecationWarning, + stacklevel=2, + ) + self._requote_redirect_url = val + + @property + def loop(self) -> asyncio.AbstractEventLoop: + """Session's loop.""" + warnings.warn( + "client.loop property is deprecated", DeprecationWarning, stacklevel=2 + ) + return self._loop + + @property + def timeout(self) -> Union[object, ClientTimeout]: + """Timeout for the session.""" + return self._timeout + + @property + def headers(self) -> "CIMultiDict[str]": + """The default headers of the client session.""" + return self._default_headers + + @property + def skip_auto_headers(self) -> FrozenSet[istr]: + """Headers for which autogeneration should be skipped""" + return self._skip_auto_headers + + @property + def auth(self) -> Optional[BasicAuth]: + """An object that represents HTTP Basic Authorization""" + return self._default_auth + + @property + def json_serialize(self) -> JSONEncoder: + """Json serializer callable""" + return self._json_serialize + + @property + def connector_owner(self) -> bool: + """Should connector be closed on session closing""" + return self._connector_owner + + @property + def raise_for_status( + self, + ) -> Union[bool, Callable[[ClientResponse], Awaitable[None]]]: + """ + Should `ClientResponse.raise_for_status()` + be called for each response + """ + return self._raise_for_status + + @property + def auto_decompress(self) -> bool: + """Should the body response be automatically decompressed""" + return self._auto_decompress + + @property + def trust_env(self) -> bool: + """ + Should get proxies information + from HTTP_PROXY / HTTPS_PROXY environment variables + or ~/.netrc file if present + """ + return self._trust_env + + @property + def trace_configs(self) -> List[TraceConfig]: + """A list of TraceConfig instances used for client tracing""" + return self._trace_configs + + def detach(self) -> None: + """Detach connector from session without closing the former. + + Session is switched to closed state anyway. + """ + self._connector = None + + def __enter__(self) -> None: + raise TypeError("Use async with instead") + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + # __exit__ should exist in pair with __enter__ but never executed + pass # pragma: no cover + + async def __aenter__(self) -> "ClientSession": + return self + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + await self.close() + + +class _BaseRequestContextManager(Coroutine[Any, Any, _RetType], Generic[_RetType]): + + __slots__ = ("_coro", "_resp") + + def __init__(self, coro: Coroutine["asyncio.Future[Any]", None, _RetType]) -> None: + self._coro = coro + + def send(self, arg: None) -> "asyncio.Future[Any]": + return self._coro.send(arg) + + def throw(self, arg: BaseException) -> None: # type: ignore + self._coro.throw(arg) + + def close(self) -> None: + return self._coro.close() + + def __await__(self) -> Generator[Any, None, _RetType]: + ret = self._coro.__await__() + return ret + + def __iter__(self) -> Generator[Any, None, _RetType]: + return self.__await__() + + async def __aenter__(self) -> _RetType: + self._resp = await self._coro + return self._resp + + +class _RequestContextManager(_BaseRequestContextManager[ClientResponse]): + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: + # We're basing behavior on the exception as it can be caused by + # user code unrelated to the status of the connection. If you + # would like to close a connection you must do that + # explicitly. Otherwise connection error handling should kick in + # and close/recycle the connection as required. + self._resp.release() + + +class _WSRequestContextManager(_BaseRequestContextManager[ClientWebSocketResponse]): + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: + await self._resp.close() + + +class _SessionRequestContextManager: + + __slots__ = ("_coro", "_resp", "_session") + + def __init__( + self, + coro: Coroutine["asyncio.Future[Any]", None, ClientResponse], + session: ClientSession, + ) -> None: + self._coro = coro + self._resp = None # type: Optional[ClientResponse] + self._session = session + + async def __aenter__(self) -> ClientResponse: + try: + self._resp = await self._coro + except BaseException: + await self._session.close() + raise + else: + return self._resp + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: + assert self._resp is not None + self._resp.close() + await self._session.close() + + +def request( + method: str, + url: StrOrURL, + *, + params: Optional[Mapping[str, str]] = None, + data: Any = None, + json: Any = None, + headers: Optional[LooseHeaders] = None, + skip_auto_headers: Optional[Iterable[str]] = None, + auth: Optional[BasicAuth] = None, + allow_redirects: bool = True, + max_redirects: int = 10, + compress: Optional[str] = None, + chunked: Optional[bool] = None, + expect100: bool = False, + raise_for_status: Optional[bool] = None, + read_until_eof: bool = True, + proxy: Optional[StrOrURL] = None, + proxy_auth: Optional[BasicAuth] = None, + timeout: Union[ClientTimeout, object] = sentinel, + cookies: Optional[LooseCookies] = None, + version: HttpVersion = http.HttpVersion11, + connector: Optional[BaseConnector] = None, + read_bufsize: Optional[int] = None, + loop: Optional[asyncio.AbstractEventLoop] = None, +) -> _SessionRequestContextManager: + """Constructs and sends a request. Returns response object. + method - HTTP method + url - request url + params - (optional) Dictionary or bytes to be sent in the query + string of the new request + data - (optional) Dictionary, bytes, or file-like object to + send in the body of the request + json - (optional) Any json compatible python object + headers - (optional) Dictionary of HTTP Headers to send with + the request + cookies - (optional) Dict object to send with the request + auth - (optional) BasicAuth named tuple represent HTTP Basic Auth + auth - aiohttp.helpers.BasicAuth + allow_redirects - (optional) If set to False, do not follow + redirects + version - Request HTTP version. + compress - Set to True if request has to be compressed + with deflate encoding. + chunked - Set to chunk size for chunked transfer encoding. + expect100 - Expect 100-continue response from server. + connector - BaseConnector sub-class instance to support + connection pooling. + read_until_eof - Read response until eof if response + does not have Content-Length header. + loop - Optional event loop. + timeout - Optional ClientTimeout settings structure, 5min + total timeout by default. + Usage:: + >>> import aiohttp + >>> resp = await aiohttp.request('GET', 'http://python.org/') + >>> resp + + >>> data = await resp.read() + """ + connector_owner = False + if connector is None: + connector_owner = True + connector = TCPConnector(loop=loop, force_close=True) + + session = ClientSession( + loop=loop, + cookies=cookies, + version=version, + timeout=timeout, + connector=connector, + connector_owner=connector_owner, + ) + + return _SessionRequestContextManager( + session._request( + method, + url, + params=params, + data=data, + json=json, + headers=headers, + skip_auto_headers=skip_auto_headers, + auth=auth, + allow_redirects=allow_redirects, + max_redirects=max_redirects, + compress=compress, + chunked=chunked, + expect100=expect100, + raise_for_status=raise_for_status, + read_until_eof=read_until_eof, + proxy=proxy, + proxy_auth=proxy_auth, + read_bufsize=read_bufsize, + ), + session, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_exceptions.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_exceptions.py new file mode 100644 index 0000000..f4be3bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_exceptions.py @@ -0,0 +1,317 @@ +"""HTTP related errors.""" + +import asyncio +import warnings +from typing import TYPE_CHECKING, Any, Optional, Tuple, Union + +from .typedefs import LooseHeaders + +try: + import ssl + + SSLContext = ssl.SSLContext +except ImportError: # pragma: no cover + ssl = SSLContext = None # type: ignore + + +if TYPE_CHECKING: # pragma: no cover + from .client_reqrep import ClientResponse, ConnectionKey, Fingerprint, RequestInfo +else: + RequestInfo = ClientResponse = ConnectionKey = None + +__all__ = ( + "ClientError", + "ClientConnectionError", + "ClientOSError", + "ClientConnectorError", + "ClientProxyConnectionError", + "ClientSSLError", + "ClientConnectorSSLError", + "ClientConnectorCertificateError", + "ServerConnectionError", + "ServerTimeoutError", + "ServerDisconnectedError", + "ServerFingerprintMismatch", + "ClientResponseError", + "ClientHttpProxyError", + "WSServerHandshakeError", + "ContentTypeError", + "ClientPayloadError", + "InvalidURL", +) + + +class ClientError(Exception): + """Base class for client connection errors.""" + + +class ClientResponseError(ClientError): + """Connection error during reading response. + + request_info: instance of RequestInfo + """ + + def __init__( + self, + request_info: RequestInfo, + history: Tuple[ClientResponse, ...], + *, + code: Optional[int] = None, + status: Optional[int] = None, + message: str = "", + headers: Optional[LooseHeaders] = None, + ) -> None: + self.request_info = request_info + if code is not None: + if status is not None: + raise ValueError( + "Both code and status arguments are provided; " + "code is deprecated, use status instead" + ) + warnings.warn( + "code argument is deprecated, use status instead", + DeprecationWarning, + stacklevel=2, + ) + if status is not None: + self.status = status + elif code is not None: + self.status = code + else: + self.status = 0 + self.message = message + self.headers = headers + self.history = history + self.args = (request_info, history) + + def __str__(self) -> str: + return "{}, message={!r}, url={!r}".format( + self.status, + self.message, + self.request_info.real_url, + ) + + def __repr__(self) -> str: + args = f"{self.request_info!r}, {self.history!r}" + if self.status != 0: + args += f", status={self.status!r}" + if self.message != "": + args += f", message={self.message!r}" + if self.headers is not None: + args += f", headers={self.headers!r}" + return "{}({})".format(type(self).__name__, args) + + @property + def code(self) -> int: + warnings.warn( + "code property is deprecated, use status instead", + DeprecationWarning, + stacklevel=2, + ) + return self.status + + @code.setter + def code(self, value: int) -> None: + warnings.warn( + "code property is deprecated, use status instead", + DeprecationWarning, + stacklevel=2, + ) + self.status = value + + +class ContentTypeError(ClientResponseError): + """ContentType found is not valid.""" + + +class WSServerHandshakeError(ClientResponseError): + """websocket server handshake error.""" + + +class ClientHttpProxyError(ClientResponseError): + """HTTP proxy error. + + Raised in :class:`aiohttp.connector.TCPConnector` if + proxy responds with status other than ``200 OK`` + on ``CONNECT`` request. + """ + + +class TooManyRedirects(ClientResponseError): + """Client was redirected too many times.""" + + +class ClientConnectionError(ClientError): + """Base class for client socket errors.""" + + +class ClientOSError(ClientConnectionError, OSError): + """OSError error.""" + + +class ClientConnectorError(ClientOSError): + """Client connector error. + + Raised in :class:`aiohttp.connector.TCPConnector` if + connection to proxy can not be established. + """ + + def __init__(self, connection_key: ConnectionKey, os_error: OSError) -> None: + self._conn_key = connection_key + self._os_error = os_error + super().__init__(os_error.errno, os_error.strerror) + self.args = (connection_key, os_error) + + @property + def os_error(self) -> OSError: + return self._os_error + + @property + def host(self) -> str: + return self._conn_key.host + + @property + def port(self) -> Optional[int]: + return self._conn_key.port + + @property + def ssl(self) -> Union[SSLContext, None, bool, "Fingerprint"]: + return self._conn_key.ssl + + def __str__(self) -> str: + return "Cannot connect to host {0.host}:{0.port} ssl:{1} [{2}]".format( + self, self.ssl if self.ssl is not None else "default", self.strerror + ) + + # OSError.__reduce__ does too much black magick + __reduce__ = BaseException.__reduce__ + + +class ClientProxyConnectionError(ClientConnectorError): + """Proxy connection error. + + Raised in :class:`aiohttp.connector.TCPConnector` if + connection to proxy can not be established. + """ + + +class ServerConnectionError(ClientConnectionError): + """Server connection errors.""" + + +class ServerDisconnectedError(ServerConnectionError): + """Server disconnected.""" + + def __init__(self, message: Optional[str] = None) -> None: + if message is None: + message = "Server disconnected" + + self.args = (message,) + self.message = message + + +class ServerTimeoutError(ServerConnectionError, asyncio.TimeoutError): + """Server timeout error.""" + + +class ServerFingerprintMismatch(ServerConnectionError): + """SSL certificate does not match expected fingerprint.""" + + def __init__(self, expected: bytes, got: bytes, host: str, port: int) -> None: + self.expected = expected + self.got = got + self.host = host + self.port = port + self.args = (expected, got, host, port) + + def __repr__(self) -> str: + return "<{} expected={!r} got={!r} host={!r} port={!r}>".format( + self.__class__.__name__, self.expected, self.got, self.host, self.port + ) + + +class ClientPayloadError(ClientError): + """Response payload error.""" + + +class InvalidURL(ClientError, ValueError): + """Invalid URL. + + URL used for fetching is malformed, e.g. it doesn't contains host + part.""" + + # Derive from ValueError for backward compatibility + + def __init__(self, url: Any) -> None: + # The type of url is not yarl.URL because the exception can be raised + # on URL(url) call + super().__init__(url) + + @property + def url(self) -> Any: + return self.args[0] + + def __repr__(self) -> str: + return f"<{self.__class__.__name__} {self.url}>" + + +class ClientSSLError(ClientConnectorError): + """Base error for ssl.*Errors.""" + + +if ssl is not None: + cert_errors = (ssl.CertificateError,) + cert_errors_bases = ( + ClientSSLError, + ssl.CertificateError, + ) + + ssl_errors = (ssl.SSLError,) + ssl_error_bases = (ClientSSLError, ssl.SSLError) +else: # pragma: no cover + cert_errors = tuple() + cert_errors_bases = ( + ClientSSLError, + ValueError, + ) + + ssl_errors = tuple() + ssl_error_bases = (ClientSSLError,) + + +class ClientConnectorSSLError(*ssl_error_bases): # type: ignore + """Response ssl error.""" + + +class ClientConnectorCertificateError(*cert_errors_bases): # type: ignore + """Response certificate error.""" + + def __init__( + self, connection_key: ConnectionKey, certificate_error: Exception + ) -> None: + self._conn_key = connection_key + self._certificate_error = certificate_error + self.args = (connection_key, certificate_error) + + @property + def certificate_error(self) -> Exception: + return self._certificate_error + + @property + def host(self) -> str: + return self._conn_key.host + + @property + def port(self) -> Optional[int]: + return self._conn_key.port + + @property + def ssl(self) -> bool: + return self._conn_key.is_ssl + + def __str__(self) -> str: + return ( + "Cannot connect to host {0.host}:{0.port} ssl:{0.ssl} " + "[{0.certificate_error.__class__.__name__}: " + "{0.certificate_error.args}]".format(self) + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_proto.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_proto.py new file mode 100644 index 0000000..2973342 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_proto.py @@ -0,0 +1,251 @@ +import asyncio +from contextlib import suppress +from typing import Any, Optional, Tuple + +from .base_protocol import BaseProtocol +from .client_exceptions import ( + ClientOSError, + ClientPayloadError, + ServerDisconnectedError, + ServerTimeoutError, +) +from .helpers import BaseTimerContext +from .http import HttpResponseParser, RawResponseMessage +from .streams import EMPTY_PAYLOAD, DataQueue, StreamReader + + +class ResponseHandler(BaseProtocol, DataQueue[Tuple[RawResponseMessage, StreamReader]]): + """Helper class to adapt between Protocol and StreamReader.""" + + def __init__(self, loop: asyncio.AbstractEventLoop) -> None: + BaseProtocol.__init__(self, loop=loop) + DataQueue.__init__(self, loop) + + self._should_close = False + + self._payload = None + self._skip_payload = False + self._payload_parser = None + + self._timer = None + + self._tail = b"" + self._upgraded = False + self._parser = None # type: Optional[HttpResponseParser] + + self._read_timeout = None # type: Optional[float] + self._read_timeout_handle = None # type: Optional[asyncio.TimerHandle] + + @property + def upgraded(self) -> bool: + return self._upgraded + + @property + def should_close(self) -> bool: + if self._payload is not None and not self._payload.is_eof() or self._upgraded: + return True + + return ( + self._should_close + or self._upgraded + or self.exception() is not None + or self._payload_parser is not None + or len(self) > 0 + or bool(self._tail) + ) + + def force_close(self) -> None: + self._should_close = True + + def close(self) -> None: + transport = self.transport + if transport is not None: + transport.close() + self.transport = None + self._payload = None + self._drop_timeout() + + def is_connected(self) -> bool: + return self.transport is not None and not self.transport.is_closing() + + def connection_lost(self, exc: Optional[BaseException]) -> None: + self._drop_timeout() + + if self._payload_parser is not None: + with suppress(Exception): + self._payload_parser.feed_eof() + + uncompleted = None + if self._parser is not None: + try: + uncompleted = self._parser.feed_eof() + except Exception: + if self._payload is not None: + self._payload.set_exception( + ClientPayloadError("Response payload is not completed") + ) + + if not self.is_eof(): + if isinstance(exc, OSError): + exc = ClientOSError(*exc.args) + if exc is None: + exc = ServerDisconnectedError(uncompleted) + # assigns self._should_close to True as side effect, + # we do it anyway below + self.set_exception(exc) + + self._should_close = True + self._parser = None + self._payload = None + self._payload_parser = None + self._reading_paused = False + + super().connection_lost(exc) + + def eof_received(self) -> None: + # should call parser.feed_eof() most likely + self._drop_timeout() + + def pause_reading(self) -> None: + super().pause_reading() + self._drop_timeout() + + def resume_reading(self) -> None: + super().resume_reading() + self._reschedule_timeout() + + def set_exception(self, exc: BaseException) -> None: + self._should_close = True + self._drop_timeout() + super().set_exception(exc) + + def set_parser(self, parser: Any, payload: Any) -> None: + # TODO: actual types are: + # parser: WebSocketReader + # payload: FlowControlDataQueue + # but they are not generi enough + # Need an ABC for both types + self._payload = payload + self._payload_parser = parser + + self._drop_timeout() + + if self._tail: + data, self._tail = self._tail, b"" + self.data_received(data) + + def set_response_params( + self, + *, + timer: Optional[BaseTimerContext] = None, + skip_payload: bool = False, + read_until_eof: bool = False, + auto_decompress: bool = True, + read_timeout: Optional[float] = None, + read_bufsize: int = 2 ** 16 + ) -> None: + self._skip_payload = skip_payload + + self._read_timeout = read_timeout + self._reschedule_timeout() + + self._parser = HttpResponseParser( + self, + self._loop, + read_bufsize, + timer=timer, + payload_exception=ClientPayloadError, + response_with_body=not skip_payload, + read_until_eof=read_until_eof, + auto_decompress=auto_decompress, + ) + + if self._tail: + data, self._tail = self._tail, b"" + self.data_received(data) + + def _drop_timeout(self) -> None: + if self._read_timeout_handle is not None: + self._read_timeout_handle.cancel() + self._read_timeout_handle = None + + def _reschedule_timeout(self) -> None: + timeout = self._read_timeout + if self._read_timeout_handle is not None: + self._read_timeout_handle.cancel() + + if timeout: + self._read_timeout_handle = self._loop.call_later( + timeout, self._on_read_timeout + ) + else: + self._read_timeout_handle = None + + def _on_read_timeout(self) -> None: + exc = ServerTimeoutError("Timeout on reading data from socket") + self.set_exception(exc) + if self._payload is not None: + self._payload.set_exception(exc) + + def data_received(self, data: bytes) -> None: + self._reschedule_timeout() + + if not data: + return + + # custom payload parser + if self._payload_parser is not None: + eof, tail = self._payload_parser.feed_data(data) + if eof: + self._payload = None + self._payload_parser = None + + if tail: + self.data_received(tail) + return + else: + if self._upgraded or self._parser is None: + # i.e. websocket connection, websocket parser is not set yet + self._tail += data + else: + # parse http messages + try: + messages, upgraded, tail = self._parser.feed_data(data) + except BaseException as exc: + if self.transport is not None: + # connection.release() could be called BEFORE + # data_received(), the transport is already + # closed in this case + self.transport.close() + # should_close is True after the call + self.set_exception(exc) + return + + self._upgraded = upgraded + + payload = None + for message, payload in messages: + if message.should_close: + self._should_close = True + + self._payload = payload + + if self._skip_payload or message.code in (204, 304): + self.feed_data((message, EMPTY_PAYLOAD), 0) # type: ignore + else: + self.feed_data((message, payload), 0) + if payload is not None: + # new message(s) was processed + # register timeout handler unsubscribing + # either on end-of-stream or immediately for + # EMPTY_PAYLOAD + if payload is not EMPTY_PAYLOAD: + payload.on_eof(self._drop_timeout) + else: + self._drop_timeout() + + if tail: + if upgraded: + self.data_received(tail) + else: + self._tail = tail diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_reqrep.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_reqrep.py new file mode 100644 index 0000000..d826bfe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_reqrep.py @@ -0,0 +1,1127 @@ +import asyncio +import codecs +import functools +import io +import re +import sys +import traceback +import warnings +from hashlib import md5, sha1, sha256 +from http.cookies import CookieError, Morsel, SimpleCookie +from types import MappingProxyType, TracebackType +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterable, + List, + Mapping, + Optional, + Tuple, + Type, + Union, + cast, +) + +import attr +from multidict import CIMultiDict, CIMultiDictProxy, MultiDict, MultiDictProxy +from yarl import URL + +from . import hdrs, helpers, http, multipart, payload +from .abc import AbstractStreamWriter +from .client_exceptions import ( + ClientConnectionError, + ClientOSError, + ClientResponseError, + ContentTypeError, + InvalidURL, + ServerFingerprintMismatch, +) +from .formdata import FormData +from .helpers import ( + PY_36, + BaseTimerContext, + BasicAuth, + HeadersMixin, + TimerNoop, + noop, + reify, + set_result, +) +from .http import SERVER_SOFTWARE, HttpVersion10, HttpVersion11, StreamWriter +from .log import client_logger +from .streams import StreamReader +from .typedefs import ( + DEFAULT_JSON_DECODER, + JSONDecoder, + LooseCookies, + LooseHeaders, + RawHeaders, +) + +try: + import ssl + from ssl import SSLContext +except ImportError: # pragma: no cover + ssl = None # type: ignore + SSLContext = object # type: ignore + +try: + import cchardet as chardet +except ImportError: # pragma: no cover + import chardet # type: ignore + + +__all__ = ("ClientRequest", "ClientResponse", "RequestInfo", "Fingerprint") + + +if TYPE_CHECKING: # pragma: no cover + from .client import ClientSession + from .connector import Connection + from .tracing import Trace + + +json_re = re.compile(r"^application/(?:[\w.+-]+?\+)?json") + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class ContentDisposition: + type: Optional[str] + parameters: "MappingProxyType[str, str]" + filename: Optional[str] + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class RequestInfo: + url: URL + method: str + headers: "CIMultiDictProxy[str]" + real_url: URL = attr.ib() + + @real_url.default + def real_url_default(self) -> URL: + return self.url + + +class Fingerprint: + HASHFUNC_BY_DIGESTLEN = { + 16: md5, + 20: sha1, + 32: sha256, + } + + def __init__(self, fingerprint: bytes) -> None: + digestlen = len(fingerprint) + hashfunc = self.HASHFUNC_BY_DIGESTLEN.get(digestlen) + if not hashfunc: + raise ValueError("fingerprint has invalid length") + elif hashfunc is md5 or hashfunc is sha1: + raise ValueError( + "md5 and sha1 are insecure and " "not supported. Use sha256." + ) + self._hashfunc = hashfunc + self._fingerprint = fingerprint + + @property + def fingerprint(self) -> bytes: + return self._fingerprint + + def check(self, transport: asyncio.Transport) -> None: + if not transport.get_extra_info("sslcontext"): + return + sslobj = transport.get_extra_info("ssl_object") + cert = sslobj.getpeercert(binary_form=True) + got = self._hashfunc(cert).digest() + if got != self._fingerprint: + host, port, *_ = transport.get_extra_info("peername") + raise ServerFingerprintMismatch(self._fingerprint, got, host, port) + + +if ssl is not None: + SSL_ALLOWED_TYPES = (ssl.SSLContext, bool, Fingerprint, type(None)) +else: # pragma: no cover + SSL_ALLOWED_TYPES = type(None) + + +def _merge_ssl_params( + ssl: Union["SSLContext", bool, Fingerprint, None], + verify_ssl: Optional[bool], + ssl_context: Optional["SSLContext"], + fingerprint: Optional[bytes], +) -> Union["SSLContext", bool, Fingerprint, None]: + if verify_ssl is not None and not verify_ssl: + warnings.warn( + "verify_ssl is deprecated, use ssl=False instead", + DeprecationWarning, + stacklevel=3, + ) + if ssl is not None: + raise ValueError( + "verify_ssl, ssl_context, fingerprint and ssl " + "parameters are mutually exclusive" + ) + else: + ssl = False + if ssl_context is not None: + warnings.warn( + "ssl_context is deprecated, use ssl=context instead", + DeprecationWarning, + stacklevel=3, + ) + if ssl is not None: + raise ValueError( + "verify_ssl, ssl_context, fingerprint and ssl " + "parameters are mutually exclusive" + ) + else: + ssl = ssl_context + if fingerprint is not None: + warnings.warn( + "fingerprint is deprecated, " "use ssl=Fingerprint(fingerprint) instead", + DeprecationWarning, + stacklevel=3, + ) + if ssl is not None: + raise ValueError( + "verify_ssl, ssl_context, fingerprint and ssl " + "parameters are mutually exclusive" + ) + else: + ssl = Fingerprint(fingerprint) + if not isinstance(ssl, SSL_ALLOWED_TYPES): + raise TypeError( + "ssl should be SSLContext, bool, Fingerprint or None, " + "got {!r} instead.".format(ssl) + ) + return ssl + + +@attr.s(auto_attribs=True, slots=True, frozen=True) +class ConnectionKey: + # the key should contain an information about used proxy / TLS + # to prevent reusing wrong connections from a pool + host: str + port: Optional[int] + is_ssl: bool + ssl: Union[SSLContext, None, bool, Fingerprint] + proxy: Optional[URL] + proxy_auth: Optional[BasicAuth] + proxy_headers_hash: Optional[int] # hash(CIMultiDict) + + +def _is_expected_content_type( + response_content_type: str, expected_content_type: str +) -> bool: + if expected_content_type == "application/json": + return json_re.match(response_content_type) is not None + return expected_content_type in response_content_type + + +class ClientRequest: + GET_METHODS = { + hdrs.METH_GET, + hdrs.METH_HEAD, + hdrs.METH_OPTIONS, + hdrs.METH_TRACE, + } + POST_METHODS = {hdrs.METH_PATCH, hdrs.METH_POST, hdrs.METH_PUT} + ALL_METHODS = GET_METHODS.union(POST_METHODS).union({hdrs.METH_DELETE}) + + DEFAULT_HEADERS = { + hdrs.ACCEPT: "*/*", + hdrs.ACCEPT_ENCODING: "gzip, deflate", + } + + body = b"" + auth = None + response = None + + _writer = None # async task for streaming data + _continue = None # waiter future for '100 Continue' response + + # N.B. + # Adding __del__ method with self._writer closing doesn't make sense + # because _writer is instance method, thus it keeps a reference to self. + # Until writer has finished finalizer will not be called. + + def __init__( + self, + method: str, + url: URL, + *, + params: Optional[Mapping[str, str]] = None, + headers: Optional[LooseHeaders] = None, + skip_auto_headers: Iterable[str] = frozenset(), + data: Any = None, + cookies: Optional[LooseCookies] = None, + auth: Optional[BasicAuth] = None, + version: http.HttpVersion = http.HttpVersion11, + compress: Optional[str] = None, + chunked: Optional[bool] = None, + expect100: bool = False, + loop: Optional[asyncio.AbstractEventLoop] = None, + response_class: Optional[Type["ClientResponse"]] = None, + proxy: Optional[URL] = None, + proxy_auth: Optional[BasicAuth] = None, + timer: Optional[BaseTimerContext] = None, + session: Optional["ClientSession"] = None, + ssl: Union[SSLContext, bool, Fingerprint, None] = None, + proxy_headers: Optional[LooseHeaders] = None, + traces: Optional[List["Trace"]] = None, + ): + + if loop is None: + loop = asyncio.get_event_loop() + + assert isinstance(url, URL), url + assert isinstance(proxy, (URL, type(None))), proxy + # FIXME: session is None in tests only, need to fix tests + # assert session is not None + self._session = cast("ClientSession", session) + if params: + q = MultiDict(url.query) + url2 = url.with_query(params) + q.extend(url2.query) + url = url.with_query(q) + self.original_url = url + self.url = url.with_fragment(None) + self.method = method.upper() + self.chunked = chunked + self.compress = compress + self.loop = loop + self.length = None + if response_class is None: + real_response_class = ClientResponse + else: + real_response_class = response_class + self.response_class = real_response_class # type: Type[ClientResponse] + self._timer = timer if timer is not None else TimerNoop() + self._ssl = ssl + + if loop.get_debug(): + self._source_traceback = traceback.extract_stack(sys._getframe(1)) + + self.update_version(version) + self.update_host(url) + self.update_headers(headers) + self.update_auto_headers(skip_auto_headers) + self.update_cookies(cookies) + self.update_content_encoding(data) + self.update_auth(auth) + self.update_proxy(proxy, proxy_auth, proxy_headers) + + self.update_body_from_data(data) + if data or self.method not in self.GET_METHODS: + self.update_transfer_encoding() + self.update_expect_continue(expect100) + if traces is None: + traces = [] + self._traces = traces + + def is_ssl(self) -> bool: + return self.url.scheme in ("https", "wss") + + @property + def ssl(self) -> Union["SSLContext", None, bool, Fingerprint]: + return self._ssl + + @property + def connection_key(self) -> ConnectionKey: + proxy_headers = self.proxy_headers + if proxy_headers: + h = hash( + tuple((k, v) for k, v in proxy_headers.items()) + ) # type: Optional[int] + else: + h = None + return ConnectionKey( + self.host, + self.port, + self.is_ssl(), + self.ssl, + self.proxy, + self.proxy_auth, + h, + ) + + @property + def host(self) -> str: + ret = self.url.raw_host + assert ret is not None + return ret + + @property + def port(self) -> Optional[int]: + return self.url.port + + @property + def request_info(self) -> RequestInfo: + headers = CIMultiDictProxy(self.headers) # type: CIMultiDictProxy[str] + return RequestInfo(self.url, self.method, headers, self.original_url) + + def update_host(self, url: URL) -> None: + """Update destination host, port and connection type (ssl).""" + # get host/port + if not url.raw_host: + raise InvalidURL(url) + + # basic auth info + username, password = url.user, url.password + if username: + self.auth = helpers.BasicAuth(username, password or "") + + def update_version(self, version: Union[http.HttpVersion, str]) -> None: + """Convert request version to two elements tuple. + + parser HTTP version '1.1' => (1, 1) + """ + if isinstance(version, str): + v = [part.strip() for part in version.split(".", 1)] + try: + version = http.HttpVersion(int(v[0]), int(v[1])) + except ValueError: + raise ValueError( + f"Can not parse http version number: {version}" + ) from None + self.version = version + + def update_headers(self, headers: Optional[LooseHeaders]) -> None: + """Update request headers.""" + self.headers = CIMultiDict() # type: CIMultiDict[str] + + # add host + netloc = cast(str, self.url.raw_host) + if helpers.is_ipv6_address(netloc): + netloc = f"[{netloc}]" + if self.url.port is not None and not self.url.is_default_port(): + netloc += ":" + str(self.url.port) + self.headers[hdrs.HOST] = netloc + + if headers: + if isinstance(headers, (dict, MultiDictProxy, MultiDict)): + headers = headers.items() # type: ignore + + for key, value in headers: # type: ignore + # A special case for Host header + if key.lower() == "host": + self.headers[key] = value + else: + self.headers.add(key, value) + + def update_auto_headers(self, skip_auto_headers: Iterable[str]) -> None: + self.skip_auto_headers = CIMultiDict( + (hdr, None) for hdr in sorted(skip_auto_headers) + ) + used_headers = self.headers.copy() + used_headers.extend(self.skip_auto_headers) # type: ignore + + for hdr, val in self.DEFAULT_HEADERS.items(): + if hdr not in used_headers: + self.headers.add(hdr, val) + + if hdrs.USER_AGENT not in used_headers: + self.headers[hdrs.USER_AGENT] = SERVER_SOFTWARE + + def update_cookies(self, cookies: Optional[LooseCookies]) -> None: + """Update request cookies header.""" + if not cookies: + return + + c = SimpleCookie() # type: SimpleCookie[str] + if hdrs.COOKIE in self.headers: + c.load(self.headers.get(hdrs.COOKIE, "")) + del self.headers[hdrs.COOKIE] + + if isinstance(cookies, Mapping): + iter_cookies = cookies.items() + else: + iter_cookies = cookies # type: ignore + for name, value in iter_cookies: + if isinstance(value, Morsel): + # Preserve coded_value + mrsl_val = value.get(value.key, Morsel()) + mrsl_val.set(value.key, value.value, value.coded_value) + c[name] = mrsl_val + else: + c[name] = value # type: ignore + + self.headers[hdrs.COOKIE] = c.output(header="", sep=";").strip() + + def update_content_encoding(self, data: Any) -> None: + """Set request content encoding.""" + if not data: + return + + enc = self.headers.get(hdrs.CONTENT_ENCODING, "").lower() + if enc: + if self.compress: + raise ValueError( + "compress can not be set " "if Content-Encoding header is set" + ) + elif self.compress: + if not isinstance(self.compress, str): + self.compress = "deflate" + self.headers[hdrs.CONTENT_ENCODING] = self.compress + self.chunked = True # enable chunked, no need to deal with length + + def update_transfer_encoding(self) -> None: + """Analyze transfer-encoding header.""" + te = self.headers.get(hdrs.TRANSFER_ENCODING, "").lower() + + if "chunked" in te: + if self.chunked: + raise ValueError( + "chunked can not be set " + 'if "Transfer-Encoding: chunked" header is set' + ) + + elif self.chunked: + if hdrs.CONTENT_LENGTH in self.headers: + raise ValueError( + "chunked can not be set " "if Content-Length header is set" + ) + + self.headers[hdrs.TRANSFER_ENCODING] = "chunked" + else: + if hdrs.CONTENT_LENGTH not in self.headers: + self.headers[hdrs.CONTENT_LENGTH] = str(len(self.body)) + + def update_auth(self, auth: Optional[BasicAuth]) -> None: + """Set basic auth.""" + if auth is None: + auth = self.auth + if auth is None: + return + + if not isinstance(auth, helpers.BasicAuth): + raise TypeError("BasicAuth() tuple is required instead") + + self.headers[hdrs.AUTHORIZATION] = auth.encode() + + def update_body_from_data(self, body: Any) -> None: + if not body: + return + + # FormData + if isinstance(body, FormData): + body = body() + + try: + body = payload.PAYLOAD_REGISTRY.get(body, disposition=None) + except payload.LookupError: + body = FormData(body)() + + self.body = body + + # enable chunked encoding if needed + if not self.chunked: + if hdrs.CONTENT_LENGTH not in self.headers: + size = body.size + if size is None: + self.chunked = True + else: + if hdrs.CONTENT_LENGTH not in self.headers: + self.headers[hdrs.CONTENT_LENGTH] = str(size) + + # copy payload headers + assert body.headers + for (key, value) in body.headers.items(): + if key in self.headers: + continue + if key in self.skip_auto_headers: + continue + self.headers[key] = value + + def update_expect_continue(self, expect: bool = False) -> None: + if expect: + self.headers[hdrs.EXPECT] = "100-continue" + elif self.headers.get(hdrs.EXPECT, "").lower() == "100-continue": + expect = True + + if expect: + self._continue = self.loop.create_future() + + def update_proxy( + self, + proxy: Optional[URL], + proxy_auth: Optional[BasicAuth], + proxy_headers: Optional[LooseHeaders], + ) -> None: + if proxy and not proxy.scheme == "http": + raise ValueError("Only http proxies are supported") + if proxy_auth and not isinstance(proxy_auth, helpers.BasicAuth): + raise ValueError("proxy_auth must be None or BasicAuth() tuple") + self.proxy = proxy + self.proxy_auth = proxy_auth + self.proxy_headers = proxy_headers + + def keep_alive(self) -> bool: + if self.version < HttpVersion10: + # keep alive not supported at all + return False + if self.version == HttpVersion10: + if self.headers.get(hdrs.CONNECTION) == "keep-alive": + return True + else: # no headers means we close for Http 1.0 + return False + elif self.headers.get(hdrs.CONNECTION) == "close": + return False + + return True + + async def write_bytes( + self, writer: AbstractStreamWriter, conn: "Connection" + ) -> None: + """Support coroutines that yields bytes objects.""" + # 100 response + if self._continue is not None: + await writer.drain() + await self._continue + + protocol = conn.protocol + assert protocol is not None + try: + if isinstance(self.body, payload.Payload): + await self.body.write(writer) + else: + if isinstance(self.body, (bytes, bytearray)): + self.body = (self.body,) # type: ignore + + for chunk in self.body: + await writer.write(chunk) # type: ignore + + await writer.write_eof() + except OSError as exc: + new_exc = ClientOSError( + exc.errno, "Can not write request body for %s" % self.url + ) + new_exc.__context__ = exc + new_exc.__cause__ = exc + protocol.set_exception(new_exc) + except asyncio.CancelledError as exc: + if not conn.closed: + protocol.set_exception(exc) + except Exception as exc: + protocol.set_exception(exc) + finally: + self._writer = None + + async def send(self, conn: "Connection") -> "ClientResponse": + # Specify request target: + # - CONNECT request must send authority form URI + # - not CONNECT proxy must send absolute form URI + # - most common is origin form URI + if self.method == hdrs.METH_CONNECT: + connect_host = self.url.raw_host + assert connect_host is not None + if helpers.is_ipv6_address(connect_host): + connect_host = f"[{connect_host}]" + path = f"{connect_host}:{self.url.port}" + elif self.proxy and not self.is_ssl(): + path = str(self.url) + else: + path = self.url.raw_path + if self.url.raw_query_string: + path += "?" + self.url.raw_query_string + + protocol = conn.protocol + assert protocol is not None + writer = StreamWriter( + protocol, + self.loop, + on_chunk_sent=functools.partial( + self._on_chunk_request_sent, self.method, self.url + ), + ) + + if self.compress: + writer.enable_compression(self.compress) + + if self.chunked is not None: + writer.enable_chunking() + + # set default content-type + if ( + self.method in self.POST_METHODS + and hdrs.CONTENT_TYPE not in self.skip_auto_headers + and hdrs.CONTENT_TYPE not in self.headers + ): + self.headers[hdrs.CONTENT_TYPE] = "application/octet-stream" + + # set the connection header + connection = self.headers.get(hdrs.CONNECTION) + if not connection: + if self.keep_alive(): + if self.version == HttpVersion10: + connection = "keep-alive" + else: + if self.version == HttpVersion11: + connection = "close" + + if connection is not None: + self.headers[hdrs.CONNECTION] = connection + + # status + headers + status_line = "{0} {1} HTTP/{2[0]}.{2[1]}".format( + self.method, path, self.version + ) + await writer.write_headers(status_line, self.headers) + + self._writer = self.loop.create_task(self.write_bytes(writer, conn)) + + response_class = self.response_class + assert response_class is not None + self.response = response_class( + self.method, + self.original_url, + writer=self._writer, + continue100=self._continue, + timer=self._timer, + request_info=self.request_info, + traces=self._traces, + loop=self.loop, + session=self._session, + ) + return self.response + + async def close(self) -> None: + if self._writer is not None: + try: + await self._writer + finally: + self._writer = None + + def terminate(self) -> None: + if self._writer is not None: + if not self.loop.is_closed(): + self._writer.cancel() + self._writer = None + + async def _on_chunk_request_sent(self, method: str, url: URL, chunk: bytes) -> None: + for trace in self._traces: + await trace.send_request_chunk_sent(method, url, chunk) + + +class ClientResponse(HeadersMixin): + + # from the Status-Line of the response + version = None # HTTP-Version + status = None # type: int # Status-Code + reason = None # Reason-Phrase + + content = None # type: StreamReader # Payload stream + _headers = None # type: CIMultiDictProxy[str] # Response headers + _raw_headers = None # type: RawHeaders # Response raw headers + + _connection = None # current connection + _source_traceback = None + # setted up by ClientRequest after ClientResponse object creation + # post-init stage allows to not change ctor signature + _closed = True # to allow __del__ for non-initialized properly response + _released = False + + def __init__( + self, + method: str, + url: URL, + *, + writer: "asyncio.Task[None]", + continue100: Optional["asyncio.Future[bool]"], + timer: BaseTimerContext, + request_info: RequestInfo, + traces: List["Trace"], + loop: asyncio.AbstractEventLoop, + session: "ClientSession", + ) -> None: + assert isinstance(url, URL) + + self.method = method + self.cookies = SimpleCookie() # type: SimpleCookie[str] + + self._real_url = url + self._url = url.with_fragment(None) + self._body = None # type: Any + self._writer = writer # type: Optional[asyncio.Task[None]] + self._continue = continue100 # None by default + self._closed = True + self._history = () # type: Tuple[ClientResponse, ...] + self._request_info = request_info + self._timer = timer if timer is not None else TimerNoop() + self._cache = {} # type: Dict[str, Any] + self._traces = traces + self._loop = loop + # store a reference to session #1985 + self._session = session # type: Optional[ClientSession] + if loop.get_debug(): + self._source_traceback = traceback.extract_stack(sys._getframe(1)) + + @reify + def url(self) -> URL: + return self._url + + @reify + def url_obj(self) -> URL: + warnings.warn("Deprecated, use .url #1654", DeprecationWarning, stacklevel=2) + return self._url + + @reify + def real_url(self) -> URL: + return self._real_url + + @reify + def host(self) -> str: + assert self._url.host is not None + return self._url.host + + @reify + def headers(self) -> "CIMultiDictProxy[str]": + return self._headers + + @reify + def raw_headers(self) -> RawHeaders: + return self._raw_headers + + @reify + def request_info(self) -> RequestInfo: + return self._request_info + + @reify + def content_disposition(self) -> Optional[ContentDisposition]: + raw = self._headers.get(hdrs.CONTENT_DISPOSITION) + if raw is None: + return None + disposition_type, params_dct = multipart.parse_content_disposition(raw) + params = MappingProxyType(params_dct) + filename = multipart.content_disposition_filename(params) + return ContentDisposition(disposition_type, params, filename) + + def __del__(self, _warnings: Any = warnings) -> None: + if self._closed: + return + + if self._connection is not None: + self._connection.release() + self._cleanup_writer() + + if self._loop.get_debug(): + if PY_36: + kwargs = {"source": self} + else: + kwargs = {} + _warnings.warn(f"Unclosed response {self!r}", ResourceWarning, **kwargs) + context = {"client_response": self, "message": "Unclosed response"} + if self._source_traceback: + context["source_traceback"] = self._source_traceback + self._loop.call_exception_handler(context) + + def __repr__(self) -> str: + out = io.StringIO() + ascii_encodable_url = str(self.url) + if self.reason: + ascii_encodable_reason = self.reason.encode( + "ascii", "backslashreplace" + ).decode("ascii") + else: + ascii_encodable_reason = self.reason + print( + "".format( + ascii_encodable_url, self.status, ascii_encodable_reason + ), + file=out, + ) + print(self.headers, file=out) + return out.getvalue() + + @property + def connection(self) -> Optional["Connection"]: + return self._connection + + @reify + def history(self) -> Tuple["ClientResponse", ...]: + """A sequence of of responses, if redirects occurred.""" + return self._history + + @reify + def links(self) -> "MultiDictProxy[MultiDictProxy[Union[str, URL]]]": + links_str = ", ".join(self.headers.getall("link", [])) + + if not links_str: + return MultiDictProxy(MultiDict()) + + links = MultiDict() # type: MultiDict[MultiDictProxy[Union[str, URL]]] + + for val in re.split(r",(?=\s*<)", links_str): + match = re.match(r"\s*<(.*)>(.*)", val) + if match is None: # pragma: no cover + # the check exists to suppress mypy error + continue + url, params_str = match.groups() + params = params_str.split(";")[1:] + + link = MultiDict() # type: MultiDict[Union[str, URL]] + + for param in params: + match = re.match(r"^\s*(\S*)\s*=\s*(['\"]?)(.*?)(\2)\s*$", param, re.M) + if match is None: # pragma: no cover + # the check exists to suppress mypy error + continue + key, _, value, _ = match.groups() + + link.add(key, value) + + key = link.get("rel", url) # type: ignore + + link.add("url", self.url.join(URL(url))) + + links.add(key, MultiDictProxy(link)) + + return MultiDictProxy(links) + + async def start(self, connection: "Connection") -> "ClientResponse": + """Start response processing.""" + self._closed = False + self._protocol = connection.protocol + self._connection = connection + + with self._timer: + while True: + # read response + try: + message, payload = await self._protocol.read() # type: ignore + except http.HttpProcessingError as exc: + raise ClientResponseError( + self.request_info, + self.history, + status=exc.code, + message=exc.message, + headers=exc.headers, + ) from exc + + if message.code < 100 or message.code > 199 or message.code == 101: + break + + if self._continue is not None: + set_result(self._continue, True) + self._continue = None + + # payload eof handler + payload.on_eof(self._response_eof) + + # response status + self.version = message.version + self.status = message.code + self.reason = message.reason + + # headers + self._headers = message.headers # type is CIMultiDictProxy + self._raw_headers = message.raw_headers # type is Tuple[bytes, bytes] + + # payload + self.content = payload + + # cookies + for hdr in self.headers.getall(hdrs.SET_COOKIE, ()): + try: + self.cookies.load(hdr) + except CookieError as exc: + client_logger.warning("Can not load response cookies: %s", exc) + return self + + def _response_eof(self) -> None: + if self._closed: + return + + if self._connection is not None: + # websocket, protocol could be None because + # connection could be detached + if ( + self._connection.protocol is not None + and self._connection.protocol.upgraded + ): + return + + self._connection.release() + self._connection = None + + self._closed = True + self._cleanup_writer() + + @property + def closed(self) -> bool: + return self._closed + + def close(self) -> None: + if not self._released: + self._notify_content() + if self._closed: + return + + self._closed = True + if self._loop is None or self._loop.is_closed(): + return + + if self._connection is not None: + self._connection.close() + self._connection = None + self._cleanup_writer() + + def release(self) -> Any: + if not self._released: + self._notify_content() + if self._closed: + return noop() + + self._closed = True + if self._connection is not None: + self._connection.release() + self._connection = None + + self._cleanup_writer() + return noop() + + @property + def ok(self) -> bool: + """Returns ``True`` if ``status`` is less than ``400``, ``False`` if not. + + This is **not** a check for ``200 OK`` but a check that the response + status is under 400. + """ + try: + self.raise_for_status() + except ClientResponseError: + return False + return True + + def raise_for_status(self) -> None: + if 400 <= self.status: + # reason should always be not None for a started response + assert self.reason is not None + self.release() + raise ClientResponseError( + self.request_info, + self.history, + status=self.status, + message=self.reason, + headers=self.headers, + ) + + def _cleanup_writer(self) -> None: + if self._writer is not None: + self._writer.cancel() + self._writer = None + self._session = None + + def _notify_content(self) -> None: + content = self.content + if content and content.exception() is None: + content.set_exception(ClientConnectionError("Connection closed")) + self._released = True + + async def wait_for_close(self) -> None: + if self._writer is not None: + try: + await self._writer + finally: + self._writer = None + self.release() + + async def read(self) -> bytes: + """Read response payload.""" + if self._body is None: + try: + self._body = await self.content.read() + for trace in self._traces: + await trace.send_response_chunk_received( + self.method, self.url, self._body + ) + except BaseException: + self.close() + raise + elif self._released: + raise ClientConnectionError("Connection closed") + + return self._body + + def get_encoding(self) -> str: + ctype = self.headers.get(hdrs.CONTENT_TYPE, "").lower() + mimetype = helpers.parse_mimetype(ctype) + + encoding = mimetype.parameters.get("charset") + if encoding: + try: + codecs.lookup(encoding) + except LookupError: + encoding = None + if not encoding: + if mimetype.type == "application" and ( + mimetype.subtype == "json" or mimetype.subtype == "rdap" + ): + # RFC 7159 states that the default encoding is UTF-8. + # RFC 7483 defines application/rdap+json + encoding = "utf-8" + elif self._body is None: + raise RuntimeError( + "Cannot guess the encoding of " "a not yet read body" + ) + else: + encoding = chardet.detect(self._body)["encoding"] + if not encoding: + encoding = "utf-8" + + return encoding + + async def text(self, encoding: Optional[str] = None, errors: str = "strict") -> str: + """Read response payload and decode.""" + if self._body is None: + await self.read() + + if encoding is None: + encoding = self.get_encoding() + + return self._body.decode(encoding, errors=errors) # type: ignore + + async def json( + self, + *, + encoding: Optional[str] = None, + loads: JSONDecoder = DEFAULT_JSON_DECODER, + content_type: Optional[str] = "application/json", + ) -> Any: + """Read and decodes JSON response.""" + if self._body is None: + await self.read() + + if content_type: + ctype = self.headers.get(hdrs.CONTENT_TYPE, "").lower() + if not _is_expected_content_type(ctype, content_type): + raise ContentTypeError( + self.request_info, + self.history, + message=( + "Attempt to decode JSON with " "unexpected mimetype: %s" % ctype + ), + headers=self.headers, + ) + + stripped = self._body.strip() # type: ignore + if not stripped: + return None + + if encoding is None: + encoding = self.get_encoding() + + return loads(stripped.decode(encoding)) + + async def __aenter__(self) -> "ClientResponse": + return self + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + # similar to _RequestContextManager, we do not need to check + # for exceptions, response object can close connection + # if state is broken + self.release() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_ws.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_ws.py new file mode 100644 index 0000000..28fa371 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/client_ws.py @@ -0,0 +1,301 @@ +"""WebSocket client for asyncio.""" + +import asyncio +from typing import Any, Optional + +import async_timeout + +from .client_exceptions import ClientError +from .client_reqrep import ClientResponse +from .helpers import call_later, set_result +from .http import ( + WS_CLOSED_MESSAGE, + WS_CLOSING_MESSAGE, + WebSocketError, + WSMessage, + WSMsgType, +) +from .http_websocket import WebSocketWriter # WSMessage +from .streams import EofStream, FlowControlDataQueue +from .typedefs import ( + DEFAULT_JSON_DECODER, + DEFAULT_JSON_ENCODER, + JSONDecoder, + JSONEncoder, +) + + +class ClientWebSocketResponse: + def __init__( + self, + reader: "FlowControlDataQueue[WSMessage]", + writer: WebSocketWriter, + protocol: Optional[str], + response: ClientResponse, + timeout: float, + autoclose: bool, + autoping: bool, + loop: asyncio.AbstractEventLoop, + *, + receive_timeout: Optional[float] = None, + heartbeat: Optional[float] = None, + compress: int = 0, + client_notakeover: bool = False, + ) -> None: + self._response = response + self._conn = response.connection + + self._writer = writer + self._reader = reader + self._protocol = protocol + self._closed = False + self._closing = False + self._close_code = None # type: Optional[int] + self._timeout = timeout + self._receive_timeout = receive_timeout + self._autoclose = autoclose + self._autoping = autoping + self._heartbeat = heartbeat + self._heartbeat_cb = None + if heartbeat is not None: + self._pong_heartbeat = heartbeat / 2.0 + self._pong_response_cb = None + self._loop = loop + self._waiting = None # type: Optional[asyncio.Future[bool]] + self._exception = None # type: Optional[BaseException] + self._compress = compress + self._client_notakeover = client_notakeover + + self._reset_heartbeat() + + def _cancel_heartbeat(self) -> None: + if self._pong_response_cb is not None: + self._pong_response_cb.cancel() + self._pong_response_cb = None + + if self._heartbeat_cb is not None: + self._heartbeat_cb.cancel() + self._heartbeat_cb = None + + def _reset_heartbeat(self) -> None: + self._cancel_heartbeat() + + if self._heartbeat is not None: + self._heartbeat_cb = call_later( + self._send_heartbeat, self._heartbeat, self._loop + ) + + def _send_heartbeat(self) -> None: + if self._heartbeat is not None and not self._closed: + # fire-and-forget a task is not perfect but maybe ok for + # sending ping. Otherwise we need a long-living heartbeat + # task in the class. + self._loop.create_task(self._writer.ping()) + + if self._pong_response_cb is not None: + self._pong_response_cb.cancel() + self._pong_response_cb = call_later( + self._pong_not_received, self._pong_heartbeat, self._loop + ) + + def _pong_not_received(self) -> None: + if not self._closed: + self._closed = True + self._close_code = 1006 + self._exception = asyncio.TimeoutError() + self._response.close() + + @property + def closed(self) -> bool: + return self._closed + + @property + def close_code(self) -> Optional[int]: + return self._close_code + + @property + def protocol(self) -> Optional[str]: + return self._protocol + + @property + def compress(self) -> int: + return self._compress + + @property + def client_notakeover(self) -> bool: + return self._client_notakeover + + def get_extra_info(self, name: str, default: Any = None) -> Any: + """extra info from connection transport""" + conn = self._response.connection + if conn is None: + return default + transport = conn.transport + if transport is None: + return default + return transport.get_extra_info(name, default) + + def exception(self) -> Optional[BaseException]: + return self._exception + + async def ping(self, message: bytes = b"") -> None: + await self._writer.ping(message) + + async def pong(self, message: bytes = b"") -> None: + await self._writer.pong(message) + + async def send_str(self, data: str, compress: Optional[int] = None) -> None: + if not isinstance(data, str): + raise TypeError("data argument must be str (%r)" % type(data)) + await self._writer.send(data, binary=False, compress=compress) + + async def send_bytes(self, data: bytes, compress: Optional[int] = None) -> None: + if not isinstance(data, (bytes, bytearray, memoryview)): + raise TypeError("data argument must be byte-ish (%r)" % type(data)) + await self._writer.send(data, binary=True, compress=compress) + + async def send_json( + self, + data: Any, + compress: Optional[int] = None, + *, + dumps: JSONEncoder = DEFAULT_JSON_ENCODER, + ) -> None: + await self.send_str(dumps(data), compress=compress) + + async def close(self, *, code: int = 1000, message: bytes = b"") -> bool: + # we need to break `receive()` cycle first, + # `close()` may be called from different task + if self._waiting is not None and not self._closed: + self._reader.feed_data(WS_CLOSING_MESSAGE, 0) + await self._waiting + + if not self._closed: + self._cancel_heartbeat() + self._closed = True + try: + await self._writer.close(code, message) + except asyncio.CancelledError: + self._close_code = 1006 + self._response.close() + raise + except Exception as exc: + self._close_code = 1006 + self._exception = exc + self._response.close() + return True + + if self._closing: + self._response.close() + return True + + while True: + try: + with async_timeout.timeout(self._timeout, loop=self._loop): + msg = await self._reader.read() + except asyncio.CancelledError: + self._close_code = 1006 + self._response.close() + raise + except Exception as exc: + self._close_code = 1006 + self._exception = exc + self._response.close() + return True + + if msg.type == WSMsgType.CLOSE: + self._close_code = msg.data + self._response.close() + return True + else: + return False + + async def receive(self, timeout: Optional[float] = None) -> WSMessage: + while True: + if self._waiting is not None: + raise RuntimeError("Concurrent call to receive() is not allowed") + + if self._closed: + return WS_CLOSED_MESSAGE + elif self._closing: + await self.close() + return WS_CLOSED_MESSAGE + + try: + self._waiting = self._loop.create_future() + try: + with async_timeout.timeout( + timeout or self._receive_timeout, loop=self._loop + ): + msg = await self._reader.read() + self._reset_heartbeat() + finally: + waiter = self._waiting + self._waiting = None + set_result(waiter, True) + except (asyncio.CancelledError, asyncio.TimeoutError): + self._close_code = 1006 + raise + except EofStream: + self._close_code = 1000 + await self.close() + return WSMessage(WSMsgType.CLOSED, None, None) + except ClientError: + self._closed = True + self._close_code = 1006 + return WS_CLOSED_MESSAGE + except WebSocketError as exc: + self._close_code = exc.code + await self.close(code=exc.code) + return WSMessage(WSMsgType.ERROR, exc, None) + except Exception as exc: + self._exception = exc + self._closing = True + self._close_code = 1006 + await self.close() + return WSMessage(WSMsgType.ERROR, exc, None) + + if msg.type == WSMsgType.CLOSE: + self._closing = True + self._close_code = msg.data + if not self._closed and self._autoclose: + await self.close() + elif msg.type == WSMsgType.CLOSING: + self._closing = True + elif msg.type == WSMsgType.PING and self._autoping: + await self.pong(msg.data) + continue + elif msg.type == WSMsgType.PONG and self._autoping: + continue + + return msg + + async def receive_str(self, *, timeout: Optional[float] = None) -> str: + msg = await self.receive(timeout) + if msg.type != WSMsgType.TEXT: + raise TypeError(f"Received message {msg.type}:{msg.data!r} is not str") + return msg.data + + async def receive_bytes(self, *, timeout: Optional[float] = None) -> bytes: + msg = await self.receive(timeout) + if msg.type != WSMsgType.BINARY: + raise TypeError(f"Received message {msg.type}:{msg.data!r} is not bytes") + return msg.data + + async def receive_json( + self, + *, + loads: JSONDecoder = DEFAULT_JSON_DECODER, + timeout: Optional[float] = None, + ) -> Any: + data = await self.receive_str(timeout=timeout) + return loads(data) + + def __aiter__(self) -> "ClientWebSocketResponse": + return self + + async def __anext__(self) -> WSMessage: + msg = await self.receive() + if msg.type in (WSMsgType.CLOSE, WSMsgType.CLOSING, WSMsgType.CLOSED): + raise StopAsyncIteration + return msg diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/connector.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/connector.py new file mode 100644 index 0000000..748b22a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/connector.py @@ -0,0 +1,1262 @@ +import asyncio +import functools +import random +import sys +import traceback +import warnings +from collections import defaultdict, deque +from contextlib import suppress +from http.cookies import SimpleCookie +from itertools import cycle, islice +from time import monotonic +from types import TracebackType +from typing import ( + TYPE_CHECKING, + Any, + Awaitable, + Callable, + DefaultDict, + Dict, + Iterator, + List, + Optional, + Set, + Tuple, + Type, + Union, + cast, +) + +import attr + +from . import hdrs, helpers +from .abc import AbstractResolver +from .client_exceptions import ( + ClientConnectionError, + ClientConnectorCertificateError, + ClientConnectorError, + ClientConnectorSSLError, + ClientHttpProxyError, + ClientProxyConnectionError, + ServerFingerprintMismatch, + cert_errors, + ssl_errors, +) +from .client_proto import ResponseHandler +from .client_reqrep import ClientRequest, Fingerprint, _merge_ssl_params +from .helpers import PY_36, CeilTimeout, get_running_loop, is_ip_address, noop, sentinel +from .http import RESPONSES +from .locks import EventResultOrError +from .resolver import DefaultResolver + +try: + import ssl + + SSLContext = ssl.SSLContext +except ImportError: # pragma: no cover + ssl = None # type: ignore + SSLContext = object # type: ignore + + +__all__ = ("BaseConnector", "TCPConnector", "UnixConnector", "NamedPipeConnector") + + +if TYPE_CHECKING: # pragma: no cover + from .client import ClientTimeout + from .client_reqrep import ConnectionKey + from .tracing import Trace + + +class _DeprecationWaiter: + __slots__ = ("_awaitable", "_awaited") + + def __init__(self, awaitable: Awaitable[Any]) -> None: + self._awaitable = awaitable + self._awaited = False + + def __await__(self) -> Any: + self._awaited = True + return self._awaitable.__await__() + + def __del__(self) -> None: + if not self._awaited: + warnings.warn( + "Connector.close() is a coroutine, " + "please use await connector.close()", + DeprecationWarning, + ) + + +class Connection: + + _source_traceback = None + _transport = None + + def __init__( + self, + connector: "BaseConnector", + key: "ConnectionKey", + protocol: ResponseHandler, + loop: asyncio.AbstractEventLoop, + ) -> None: + self._key = key + self._connector = connector + self._loop = loop + self._protocol = protocol # type: Optional[ResponseHandler] + self._callbacks = [] # type: List[Callable[[], None]] + + if loop.get_debug(): + self._source_traceback = traceback.extract_stack(sys._getframe(1)) + + def __repr__(self) -> str: + return f"Connection<{self._key}>" + + def __del__(self, _warnings: Any = warnings) -> None: + if self._protocol is not None: + if PY_36: + kwargs = {"source": self} + else: + kwargs = {} + _warnings.warn(f"Unclosed connection {self!r}", ResourceWarning, **kwargs) + if self._loop.is_closed(): + return + + self._connector._release(self._key, self._protocol, should_close=True) + + context = {"client_connection": self, "message": "Unclosed connection"} + if self._source_traceback is not None: + context["source_traceback"] = self._source_traceback + self._loop.call_exception_handler(context) + + @property + def loop(self) -> asyncio.AbstractEventLoop: + warnings.warn( + "connector.loop property is deprecated", DeprecationWarning, stacklevel=2 + ) + return self._loop + + @property + def transport(self) -> Optional[asyncio.Transport]: + if self._protocol is None: + return None + return self._protocol.transport + + @property + def protocol(self) -> Optional[ResponseHandler]: + return self._protocol + + def add_callback(self, callback: Callable[[], None]) -> None: + if callback is not None: + self._callbacks.append(callback) + + def _notify_release(self) -> None: + callbacks, self._callbacks = self._callbacks[:], [] + + for cb in callbacks: + with suppress(Exception): + cb() + + def close(self) -> None: + self._notify_release() + + if self._protocol is not None: + self._connector._release(self._key, self._protocol, should_close=True) + self._protocol = None + + def release(self) -> None: + self._notify_release() + + if self._protocol is not None: + self._connector._release( + self._key, self._protocol, should_close=self._protocol.should_close + ) + self._protocol = None + + @property + def closed(self) -> bool: + return self._protocol is None or not self._protocol.is_connected() + + +class _TransportPlaceholder: + """ placeholder for BaseConnector.connect function """ + + def close(self) -> None: + pass + + +class BaseConnector: + """Base connector class. + + keepalive_timeout - (optional) Keep-alive timeout. + force_close - Set to True to force close and do reconnect + after each request (and between redirects). + limit - The total number of simultaneous connections. + limit_per_host - Number of simultaneous connections to one host. + enable_cleanup_closed - Enables clean-up closed ssl transports. + Disabled by default. + loop - Optional event loop. + """ + + _closed = True # prevent AttributeError in __del__ if ctor was failed + _source_traceback = None + + # abort transport after 2 seconds (cleanup broken connections) + _cleanup_closed_period = 2.0 + + def __init__( + self, + *, + keepalive_timeout: Union[object, None, float] = sentinel, + force_close: bool = False, + limit: int = 100, + limit_per_host: int = 0, + enable_cleanup_closed: bool = False, + loop: Optional[asyncio.AbstractEventLoop] = None, + ) -> None: + + if force_close: + if keepalive_timeout is not None and keepalive_timeout is not sentinel: + raise ValueError( + "keepalive_timeout cannot " "be set if force_close is True" + ) + else: + if keepalive_timeout is sentinel: + keepalive_timeout = 15.0 + + loop = get_running_loop(loop) + + self._closed = False + if loop.get_debug(): + self._source_traceback = traceback.extract_stack(sys._getframe(1)) + + self._conns = ( + {} + ) # type: Dict[ConnectionKey, List[Tuple[ResponseHandler, float]]] + self._limit = limit + self._limit_per_host = limit_per_host + self._acquired = set() # type: Set[ResponseHandler] + self._acquired_per_host = defaultdict( + set + ) # type: DefaultDict[ConnectionKey, Set[ResponseHandler]] + self._keepalive_timeout = cast(float, keepalive_timeout) + self._force_close = force_close + + # {host_key: FIFO list of waiters} + self._waiters = defaultdict(deque) # type: ignore + + self._loop = loop + self._factory = functools.partial(ResponseHandler, loop=loop) + + self.cookies = SimpleCookie() # type: SimpleCookie[str] + + # start keep-alive connection cleanup task + self._cleanup_handle = None + + # start cleanup closed transports task + self._cleanup_closed_handle = None + self._cleanup_closed_disabled = not enable_cleanup_closed + self._cleanup_closed_transports = [] # type: List[Optional[asyncio.Transport]] + self._cleanup_closed() + + def __del__(self, _warnings: Any = warnings) -> None: + if self._closed: + return + if not self._conns: + return + + conns = [repr(c) for c in self._conns.values()] + + self._close() + + if PY_36: + kwargs = {"source": self} + else: + kwargs = {} + _warnings.warn(f"Unclosed connector {self!r}", ResourceWarning, **kwargs) + context = { + "connector": self, + "connections": conns, + "message": "Unclosed connector", + } + if self._source_traceback is not None: + context["source_traceback"] = self._source_traceback + self._loop.call_exception_handler(context) + + def __enter__(self) -> "BaseConnector": + warnings.warn( + '"witn Connector():" is deprecated, ' + 'use "async with Connector():" instead', + DeprecationWarning, + ) + return self + + def __exit__(self, *exc: Any) -> None: + self.close() + + async def __aenter__(self) -> "BaseConnector": + return self + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]] = None, + exc_value: Optional[BaseException] = None, + exc_traceback: Optional[TracebackType] = None, + ) -> None: + await self.close() + + @property + def force_close(self) -> bool: + """Ultimately close connection on releasing if True.""" + return self._force_close + + @property + def limit(self) -> int: + """The total number for simultaneous connections. + + If limit is 0 the connector has no limit. + The default limit size is 100. + """ + return self._limit + + @property + def limit_per_host(self) -> int: + """The limit_per_host for simultaneous connections + to the same endpoint. + + Endpoints are the same if they are have equal + (host, port, is_ssl) triple. + + """ + return self._limit_per_host + + def _cleanup(self) -> None: + """Cleanup unused transports.""" + if self._cleanup_handle: + self._cleanup_handle.cancel() + # _cleanup_handle should be unset, otherwise _release() will not + # recreate it ever! + self._cleanup_handle = None + + now = self._loop.time() + timeout = self._keepalive_timeout + + if self._conns: + connections = {} + deadline = now - timeout + for key, conns in self._conns.items(): + alive = [] + for proto, use_time in conns: + if proto.is_connected(): + if use_time - deadline < 0: + transport = proto.transport + proto.close() + if key.is_ssl and not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transport) + else: + alive.append((proto, use_time)) + else: + transport = proto.transport + proto.close() + if key.is_ssl and not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transport) + + if alive: + connections[key] = alive + + self._conns = connections + + if self._conns: + self._cleanup_handle = helpers.weakref_handle( + self, "_cleanup", timeout, self._loop + ) + + def _drop_acquired_per_host( + self, key: "ConnectionKey", val: ResponseHandler + ) -> None: + acquired_per_host = self._acquired_per_host + if key not in acquired_per_host: + return + conns = acquired_per_host[key] + conns.remove(val) + if not conns: + del self._acquired_per_host[key] + + def _cleanup_closed(self) -> None: + """Double confirmation for transport close. + Some broken ssl servers may leave socket open without proper close. + """ + if self._cleanup_closed_handle: + self._cleanup_closed_handle.cancel() + + for transport in self._cleanup_closed_transports: + if transport is not None: + transport.abort() + + self._cleanup_closed_transports = [] + + if not self._cleanup_closed_disabled: + self._cleanup_closed_handle = helpers.weakref_handle( + self, "_cleanup_closed", self._cleanup_closed_period, self._loop + ) + + def close(self) -> Awaitable[None]: + """Close all opened transports.""" + self._close() + return _DeprecationWaiter(noop()) + + def _close(self) -> None: + if self._closed: + return + + self._closed = True + + try: + if self._loop.is_closed(): + return + + # cancel cleanup task + if self._cleanup_handle: + self._cleanup_handle.cancel() + + # cancel cleanup close task + if self._cleanup_closed_handle: + self._cleanup_closed_handle.cancel() + + for data in self._conns.values(): + for proto, t0 in data: + proto.close() + + for proto in self._acquired: + proto.close() + + for transport in self._cleanup_closed_transports: + if transport is not None: + transport.abort() + + finally: + self._conns.clear() + self._acquired.clear() + self._waiters.clear() + self._cleanup_handle = None + self._cleanup_closed_transports.clear() + self._cleanup_closed_handle = None + + @property + def closed(self) -> bool: + """Is connector closed. + + A readonly property. + """ + return self._closed + + def _available_connections(self, key: "ConnectionKey") -> int: + """ + Return number of available connections taking into account + the limit, limit_per_host and the connection key. + + If it returns less than 1 means that there is no connections + availables. + """ + + if self._limit: + # total calc available connections + available = self._limit - len(self._acquired) + + # check limit per host + if ( + self._limit_per_host + and available > 0 + and key in self._acquired_per_host + ): + acquired = self._acquired_per_host.get(key) + assert acquired is not None + available = self._limit_per_host - len(acquired) + + elif self._limit_per_host and key in self._acquired_per_host: + # check limit per host + acquired = self._acquired_per_host.get(key) + assert acquired is not None + available = self._limit_per_host - len(acquired) + else: + available = 1 + + return available + + async def connect( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> Connection: + """Get from pool or create new connection.""" + key = req.connection_key + available = self._available_connections(key) + + # Wait if there are no available connections or if there are/were + # waiters (i.e. don't steal connection from a waiter about to wake up) + if available <= 0 or key in self._waiters: + fut = self._loop.create_future() + + # This connection will now count towards the limit. + self._waiters[key].append(fut) + + if traces: + for trace in traces: + await trace.send_connection_queued_start() + + try: + await fut + except BaseException as e: + if key in self._waiters: + # remove a waiter even if it was cancelled, normally it's + # removed when it's notified + try: + self._waiters[key].remove(fut) + except ValueError: # fut may no longer be in list + pass + + raise e + finally: + if key in self._waiters and not self._waiters[key]: + del self._waiters[key] + + if traces: + for trace in traces: + await trace.send_connection_queued_end() + + proto = self._get(key) + if proto is None: + placeholder = cast(ResponseHandler, _TransportPlaceholder()) + self._acquired.add(placeholder) + self._acquired_per_host[key].add(placeholder) + + if traces: + for trace in traces: + await trace.send_connection_create_start() + + try: + proto = await self._create_connection(req, traces, timeout) + if self._closed: + proto.close() + raise ClientConnectionError("Connector is closed.") + except BaseException: + if not self._closed: + self._acquired.remove(placeholder) + self._drop_acquired_per_host(key, placeholder) + self._release_waiter() + raise + else: + if not self._closed: + self._acquired.remove(placeholder) + self._drop_acquired_per_host(key, placeholder) + + if traces: + for trace in traces: + await trace.send_connection_create_end() + else: + if traces: + for trace in traces: + await trace.send_connection_reuseconn() + + self._acquired.add(proto) + self._acquired_per_host[key].add(proto) + return Connection(self, key, proto, self._loop) + + def _get(self, key: "ConnectionKey") -> Optional[ResponseHandler]: + try: + conns = self._conns[key] + except KeyError: + return None + + t1 = self._loop.time() + while conns: + proto, t0 = conns.pop() + if proto.is_connected(): + if t1 - t0 > self._keepalive_timeout: + transport = proto.transport + proto.close() + # only for SSL transports + if key.is_ssl and not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transport) + else: + if not conns: + # The very last connection was reclaimed: drop the key + del self._conns[key] + return proto + else: + transport = proto.transport + proto.close() + if key.is_ssl and not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transport) + + # No more connections: drop the key + del self._conns[key] + return None + + def _release_waiter(self) -> None: + """ + Iterates over all waiters till found one that is not finsihed and + belongs to a host that has available connections. + """ + if not self._waiters: + return + + # Having the dict keys ordered this avoids to iterate + # at the same order at each call. + queues = list(self._waiters.keys()) + random.shuffle(queues) + + for key in queues: + if self._available_connections(key) < 1: + continue + + waiters = self._waiters[key] + while waiters: + waiter = waiters.popleft() + if not waiter.done(): + waiter.set_result(None) + return + + def _release_acquired(self, key: "ConnectionKey", proto: ResponseHandler) -> None: + if self._closed: + # acquired connection is already released on connector closing + return + + try: + self._acquired.remove(proto) + self._drop_acquired_per_host(key, proto) + except KeyError: # pragma: no cover + # this may be result of undetermenistic order of objects + # finalization due garbage collection. + pass + else: + self._release_waiter() + + def _release( + self, + key: "ConnectionKey", + protocol: ResponseHandler, + *, + should_close: bool = False, + ) -> None: + if self._closed: + # acquired connection is already released on connector closing + return + + self._release_acquired(key, protocol) + + if self._force_close: + should_close = True + + if should_close or protocol.should_close: + transport = protocol.transport + protocol.close() + + if key.is_ssl and not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transport) + else: + conns = self._conns.get(key) + if conns is None: + conns = self._conns[key] = [] + conns.append((protocol, self._loop.time())) + + if self._cleanup_handle is None: + self._cleanup_handle = helpers.weakref_handle( + self, "_cleanup", self._keepalive_timeout, self._loop + ) + + async def _create_connection( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> ResponseHandler: + raise NotImplementedError() + + +class _DNSCacheTable: + def __init__(self, ttl: Optional[float] = None) -> None: + self._addrs_rr = ( + {} + ) # type: Dict[Tuple[str, int], Tuple[Iterator[Dict[str, Any]], int]] + self._timestamps = {} # type: Dict[Tuple[str, int], float] + self._ttl = ttl + + def __contains__(self, host: object) -> bool: + return host in self._addrs_rr + + def add(self, key: Tuple[str, int], addrs: List[Dict[str, Any]]) -> None: + self._addrs_rr[key] = (cycle(addrs), len(addrs)) + + if self._ttl: + self._timestamps[key] = monotonic() + + def remove(self, key: Tuple[str, int]) -> None: + self._addrs_rr.pop(key, None) + + if self._ttl: + self._timestamps.pop(key, None) + + def clear(self) -> None: + self._addrs_rr.clear() + self._timestamps.clear() + + def next_addrs(self, key: Tuple[str, int]) -> List[Dict[str, Any]]: + loop, length = self._addrs_rr[key] + addrs = list(islice(loop, length)) + # Consume one more element to shift internal state of `cycle` + next(loop) + return addrs + + def expired(self, key: Tuple[str, int]) -> bool: + if self._ttl is None: + return False + + return self._timestamps[key] + self._ttl < monotonic() + + +class TCPConnector(BaseConnector): + """TCP connector. + + verify_ssl - Set to True to check ssl certifications. + fingerprint - Pass the binary sha256 + digest of the expected certificate in DER format to verify + that the certificate the server presents matches. See also + https://en.wikipedia.org/wiki/Transport_Layer_Security#Certificate_pinning + resolver - Enable DNS lookups and use this + resolver + use_dns_cache - Use memory cache for DNS lookups. + ttl_dns_cache - Max seconds having cached a DNS entry, None forever. + family - socket address family + local_addr - local tuple of (host, port) to bind socket to + + keepalive_timeout - (optional) Keep-alive timeout. + force_close - Set to True to force close and do reconnect + after each request (and between redirects). + limit - The total number of simultaneous connections. + limit_per_host - Number of simultaneous connections to one host. + enable_cleanup_closed - Enables clean-up closed ssl transports. + Disabled by default. + loop - Optional event loop. + """ + + def __init__( + self, + *, + verify_ssl: bool = True, + fingerprint: Optional[bytes] = None, + use_dns_cache: bool = True, + ttl_dns_cache: Optional[int] = 10, + family: int = 0, + ssl_context: Optional[SSLContext] = None, + ssl: Union[None, bool, Fingerprint, SSLContext] = None, + local_addr: Optional[Tuple[str, int]] = None, + resolver: Optional[AbstractResolver] = None, + keepalive_timeout: Union[None, float, object] = sentinel, + force_close: bool = False, + limit: int = 100, + limit_per_host: int = 0, + enable_cleanup_closed: bool = False, + loop: Optional[asyncio.AbstractEventLoop] = None, + ): + super().__init__( + keepalive_timeout=keepalive_timeout, + force_close=force_close, + limit=limit, + limit_per_host=limit_per_host, + enable_cleanup_closed=enable_cleanup_closed, + loop=loop, + ) + + self._ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint) + if resolver is None: + resolver = DefaultResolver(loop=self._loop) + self._resolver = resolver + + self._use_dns_cache = use_dns_cache + self._cached_hosts = _DNSCacheTable(ttl=ttl_dns_cache) + self._throttle_dns_events = ( + {} + ) # type: Dict[Tuple[str, int], EventResultOrError] + self._family = family + self._local_addr = local_addr + + def close(self) -> Awaitable[None]: + """Close all ongoing DNS calls.""" + for ev in self._throttle_dns_events.values(): + ev.cancel() + + return super().close() + + @property + def family(self) -> int: + """Socket family like AF_INET.""" + return self._family + + @property + def use_dns_cache(self) -> bool: + """True if local DNS caching is enabled.""" + return self._use_dns_cache + + def clear_dns_cache( + self, host: Optional[str] = None, port: Optional[int] = None + ) -> None: + """Remove specified host/port or clear all dns local cache.""" + if host is not None and port is not None: + self._cached_hosts.remove((host, port)) + elif host is not None or port is not None: + raise ValueError("either both host and port " "or none of them are allowed") + else: + self._cached_hosts.clear() + + async def _resolve_host( + self, host: str, port: int, traces: Optional[List["Trace"]] = None + ) -> List[Dict[str, Any]]: + if is_ip_address(host): + return [ + { + "hostname": host, + "host": host, + "port": port, + "family": self._family, + "proto": 0, + "flags": 0, + } + ] + + if not self._use_dns_cache: + + if traces: + for trace in traces: + await trace.send_dns_resolvehost_start(host) + + res = await self._resolver.resolve(host, port, family=self._family) + + if traces: + for trace in traces: + await trace.send_dns_resolvehost_end(host) + + return res + + key = (host, port) + + if (key in self._cached_hosts) and (not self._cached_hosts.expired(key)): + # get result early, before any await (#4014) + result = self._cached_hosts.next_addrs(key) + + if traces: + for trace in traces: + await trace.send_dns_cache_hit(host) + return result + + if key in self._throttle_dns_events: + # get event early, before any await (#4014) + event = self._throttle_dns_events[key] + if traces: + for trace in traces: + await trace.send_dns_cache_hit(host) + await event.wait() + else: + # update dict early, before any await (#4014) + self._throttle_dns_events[key] = EventResultOrError(self._loop) + if traces: + for trace in traces: + await trace.send_dns_cache_miss(host) + try: + + if traces: + for trace in traces: + await trace.send_dns_resolvehost_start(host) + + addrs = await self._resolver.resolve(host, port, family=self._family) + if traces: + for trace in traces: + await trace.send_dns_resolvehost_end(host) + + self._cached_hosts.add(key, addrs) + self._throttle_dns_events[key].set() + except BaseException as e: + # any DNS exception, independently of the implementation + # is set for the waiters to raise the same exception. + self._throttle_dns_events[key].set(exc=e) + raise + finally: + self._throttle_dns_events.pop(key) + + return self._cached_hosts.next_addrs(key) + + async def _create_connection( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> ResponseHandler: + """Create connection. + + Has same keyword arguments as BaseEventLoop.create_connection. + """ + if req.proxy: + _, proto = await self._create_proxy_connection(req, traces, timeout) + else: + _, proto = await self._create_direct_connection(req, traces, timeout) + + return proto + + @staticmethod + @functools.lru_cache(None) + def _make_ssl_context(verified: bool) -> SSLContext: + if verified: + return ssl.create_default_context() + else: + sslcontext = ssl.SSLContext(ssl.PROTOCOL_SSLv23) + sslcontext.options |= ssl.OP_NO_SSLv2 + sslcontext.options |= ssl.OP_NO_SSLv3 + try: + sslcontext.options |= ssl.OP_NO_COMPRESSION + except AttributeError as attr_err: + warnings.warn( + "{!s}: The Python interpreter is compiled " + "against OpenSSL < 1.0.0. Ref: " + "https://docs.python.org/3/library/ssl.html" + "#ssl.OP_NO_COMPRESSION".format(attr_err), + ) + sslcontext.set_default_verify_paths() + return sslcontext + + def _get_ssl_context(self, req: "ClientRequest") -> Optional[SSLContext]: + """Logic to get the correct SSL context + + 0. if req.ssl is false, return None + + 1. if ssl_context is specified in req, use it + 2. if _ssl_context is specified in self, use it + 3. otherwise: + 1. if verify_ssl is not specified in req, use self.ssl_context + (will generate a default context according to self.verify_ssl) + 2. if verify_ssl is True in req, generate a default SSL context + 3. if verify_ssl is False in req, generate a SSL context that + won't verify + """ + if req.is_ssl(): + if ssl is None: # pragma: no cover + raise RuntimeError("SSL is not supported.") + sslcontext = req.ssl + if isinstance(sslcontext, ssl.SSLContext): + return sslcontext + if sslcontext is not None: + # not verified or fingerprinted + return self._make_ssl_context(False) + sslcontext = self._ssl + if isinstance(sslcontext, ssl.SSLContext): + return sslcontext + if sslcontext is not None: + # not verified or fingerprinted + return self._make_ssl_context(False) + return self._make_ssl_context(True) + else: + return None + + def _get_fingerprint(self, req: "ClientRequest") -> Optional["Fingerprint"]: + ret = req.ssl + if isinstance(ret, Fingerprint): + return ret + ret = self._ssl + if isinstance(ret, Fingerprint): + return ret + return None + + async def _wrap_create_connection( + self, + *args: Any, + req: "ClientRequest", + timeout: "ClientTimeout", + client_error: Type[Exception] = ClientConnectorError, + **kwargs: Any, + ) -> Tuple[asyncio.Transport, ResponseHandler]: + try: + with CeilTimeout(timeout.sock_connect): + return await self._loop.create_connection(*args, **kwargs) # type: ignore # noqa + except cert_errors as exc: + raise ClientConnectorCertificateError(req.connection_key, exc) from exc + except ssl_errors as exc: + raise ClientConnectorSSLError(req.connection_key, exc) from exc + except OSError as exc: + raise client_error(req.connection_key, exc) from exc + + async def _create_direct_connection( + self, + req: "ClientRequest", + traces: List["Trace"], + timeout: "ClientTimeout", + *, + client_error: Type[Exception] = ClientConnectorError, + ) -> Tuple[asyncio.Transport, ResponseHandler]: + sslcontext = self._get_ssl_context(req) + fingerprint = self._get_fingerprint(req) + + host = req.url.raw_host + assert host is not None + port = req.port + assert port is not None + host_resolved = asyncio.ensure_future( + self._resolve_host(host, port, traces=traces), loop=self._loop + ) + try: + # Cancelling this lookup should not cancel the underlying lookup + # or else the cancel event will get broadcast to all the waiters + # across all connections. + hosts = await asyncio.shield(host_resolved) + except asyncio.CancelledError: + + def drop_exception(fut: "asyncio.Future[List[Dict[str, Any]]]") -> None: + with suppress(Exception, asyncio.CancelledError): + fut.result() + + host_resolved.add_done_callback(drop_exception) + raise + except OSError as exc: + # in case of proxy it is not ClientProxyConnectionError + # it is problem of resolving proxy ip itself + raise ClientConnectorError(req.connection_key, exc) from exc + + last_exc = None # type: Optional[Exception] + + for hinfo in hosts: + host = hinfo["host"] + port = hinfo["port"] + + try: + transp, proto = await self._wrap_create_connection( + self._factory, + host, + port, + timeout=timeout, + ssl=sslcontext, + family=hinfo["family"], + proto=hinfo["proto"], + flags=hinfo["flags"], + server_hostname=hinfo["hostname"] if sslcontext else None, + local_addr=self._local_addr, + req=req, + client_error=client_error, + ) + except ClientConnectorError as exc: + last_exc = exc + continue + + if req.is_ssl() and fingerprint: + try: + fingerprint.check(transp) + except ServerFingerprintMismatch as exc: + transp.close() + if not self._cleanup_closed_disabled: + self._cleanup_closed_transports.append(transp) + last_exc = exc + continue + + return transp, proto + else: + assert last_exc is not None + raise last_exc + + async def _create_proxy_connection( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> Tuple[asyncio.Transport, ResponseHandler]: + headers = {} # type: Dict[str, str] + if req.proxy_headers is not None: + headers = req.proxy_headers # type: ignore + headers[hdrs.HOST] = req.headers[hdrs.HOST] + + url = req.proxy + assert url is not None + proxy_req = ClientRequest( + hdrs.METH_GET, + url, + headers=headers, + auth=req.proxy_auth, + loop=self._loop, + ssl=req.ssl, + ) + + # create connection to proxy server + transport, proto = await self._create_direct_connection( + proxy_req, [], timeout, client_error=ClientProxyConnectionError + ) + + # Many HTTP proxies has buggy keepalive support. Let's not + # reuse connection but close it after processing every + # response. + proto.force_close() + + auth = proxy_req.headers.pop(hdrs.AUTHORIZATION, None) + if auth is not None: + if not req.is_ssl(): + req.headers[hdrs.PROXY_AUTHORIZATION] = auth + else: + proxy_req.headers[hdrs.PROXY_AUTHORIZATION] = auth + + if req.is_ssl(): + sslcontext = self._get_ssl_context(req) + # For HTTPS requests over HTTP proxy + # we must notify proxy to tunnel connection + # so we send CONNECT command: + # CONNECT www.python.org:443 HTTP/1.1 + # Host: www.python.org + # + # next we must do TLS handshake and so on + # to do this we must wrap raw socket into secure one + # asyncio handles this perfectly + proxy_req.method = hdrs.METH_CONNECT + proxy_req.url = req.url + key = attr.evolve( + req.connection_key, proxy=None, proxy_auth=None, proxy_headers_hash=None + ) + conn = Connection(self, key, proto, self._loop) + proxy_resp = await proxy_req.send(conn) + try: + protocol = conn._protocol + assert protocol is not None + protocol.set_response_params() + resp = await proxy_resp.start(conn) + except BaseException: + proxy_resp.close() + conn.close() + raise + else: + conn._protocol = None + conn._transport = None + try: + if resp.status != 200: + message = resp.reason + if message is None: + message = RESPONSES[resp.status][0] + raise ClientHttpProxyError( + proxy_resp.request_info, + resp.history, + status=resp.status, + message=message, + headers=resp.headers, + ) + rawsock = transport.get_extra_info("socket", default=None) + if rawsock is None: + raise RuntimeError("Transport does not expose socket instance") + # Duplicate the socket, so now we can close proxy transport + rawsock = rawsock.dup() + finally: + transport.close() + + transport, proto = await self._wrap_create_connection( + self._factory, + timeout=timeout, + ssl=sslcontext, + sock=rawsock, + server_hostname=req.host, + req=req, + ) + finally: + proxy_resp.close() + + return transport, proto + + +class UnixConnector(BaseConnector): + """Unix socket connector. + + path - Unix socket path. + keepalive_timeout - (optional) Keep-alive timeout. + force_close - Set to True to force close and do reconnect + after each request (and between redirects). + limit - The total number of simultaneous connections. + limit_per_host - Number of simultaneous connections to one host. + loop - Optional event loop. + """ + + def __init__( + self, + path: str, + force_close: bool = False, + keepalive_timeout: Union[object, float, None] = sentinel, + limit: int = 100, + limit_per_host: int = 0, + loop: Optional[asyncio.AbstractEventLoop] = None, + ) -> None: + super().__init__( + force_close=force_close, + keepalive_timeout=keepalive_timeout, + limit=limit, + limit_per_host=limit_per_host, + loop=loop, + ) + self._path = path + + @property + def path(self) -> str: + """Path to unix socket.""" + return self._path + + async def _create_connection( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> ResponseHandler: + try: + with CeilTimeout(timeout.sock_connect): + _, proto = await self._loop.create_unix_connection( + self._factory, self._path + ) + except OSError as exc: + raise ClientConnectorError(req.connection_key, exc) from exc + + return cast(ResponseHandler, proto) + + +class NamedPipeConnector(BaseConnector): + """Named pipe connector. + + Only supported by the proactor event loop. + See also: https://docs.python.org/3.7/library/asyncio-eventloop.html + + path - Windows named pipe path. + keepalive_timeout - (optional) Keep-alive timeout. + force_close - Set to True to force close and do reconnect + after each request (and between redirects). + limit - The total number of simultaneous connections. + limit_per_host - Number of simultaneous connections to one host. + loop - Optional event loop. + """ + + def __init__( + self, + path: str, + force_close: bool = False, + keepalive_timeout: Union[object, float, None] = sentinel, + limit: int = 100, + limit_per_host: int = 0, + loop: Optional[asyncio.AbstractEventLoop] = None, + ) -> None: + super().__init__( + force_close=force_close, + keepalive_timeout=keepalive_timeout, + limit=limit, + limit_per_host=limit_per_host, + loop=loop, + ) + if not isinstance(self._loop, asyncio.ProactorEventLoop): # type: ignore + raise RuntimeError( + "Named Pipes only available in proactor " "loop under windows" + ) + self._path = path + + @property + def path(self) -> str: + """Path to the named pipe.""" + return self._path + + async def _create_connection( + self, req: "ClientRequest", traces: List["Trace"], timeout: "ClientTimeout" + ) -> ResponseHandler: + try: + with CeilTimeout(timeout.sock_connect): + _, proto = await self._loop.create_pipe_connection( # type: ignore + self._factory, self._path + ) + # the drain is required so that the connection_made is called + # and transport is set otherwise it is not set before the + # `assert conn.transport is not None` + # in client.py's _request method + await asyncio.sleep(0) + # other option is to manually set transport like + # `proto.transport = trans` + except OSError as exc: + raise ClientConnectorError(req.connection_key, exc) from exc + + return cast(ResponseHandler, proto) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/cookiejar.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/cookiejar.py new file mode 100644 index 0000000..b6b59d6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/cookiejar.py @@ -0,0 +1,382 @@ +import asyncio +import datetime +import os # noqa +import pathlib +import pickle +import re +from collections import defaultdict +from http.cookies import BaseCookie, Morsel, SimpleCookie +from typing import ( # noqa + DefaultDict, + Dict, + Iterable, + Iterator, + Mapping, + Optional, + Set, + Tuple, + Union, + cast, +) + +from yarl import URL + +from .abc import AbstractCookieJar +from .helpers import is_ip_address, next_whole_second +from .typedefs import LooseCookies, PathLike + +__all__ = ("CookieJar", "DummyCookieJar") + + +CookieItem = Union[str, "Morsel[str]"] + + +class CookieJar(AbstractCookieJar): + """Implements cookie storage adhering to RFC 6265.""" + + DATE_TOKENS_RE = re.compile( + r"[\x09\x20-\x2F\x3B-\x40\x5B-\x60\x7B-\x7E]*" + r"(?P[\x00-\x08\x0A-\x1F\d:a-zA-Z\x7F-\xFF]+)" + ) + + DATE_HMS_TIME_RE = re.compile(r"(\d{1,2}):(\d{1,2}):(\d{1,2})") + + DATE_DAY_OF_MONTH_RE = re.compile(r"(\d{1,2})") + + DATE_MONTH_RE = re.compile( + "(jan)|(feb)|(mar)|(apr)|(may)|(jun)|(jul)|" "(aug)|(sep)|(oct)|(nov)|(dec)", + re.I, + ) + + DATE_YEAR_RE = re.compile(r"(\d{2,4})") + + MAX_TIME = datetime.datetime.max.replace(tzinfo=datetime.timezone.utc) + + MAX_32BIT_TIME = datetime.datetime.utcfromtimestamp(2 ** 31 - 1) + + def __init__( + self, + *, + unsafe: bool = False, + quote_cookie: bool = True, + loop: Optional[asyncio.AbstractEventLoop] = None + ) -> None: + super().__init__(loop=loop) + self._cookies = defaultdict( + SimpleCookie + ) # type: DefaultDict[str, SimpleCookie[str]] + self._host_only_cookies = set() # type: Set[Tuple[str, str]] + self._unsafe = unsafe + self._quote_cookie = quote_cookie + self._next_expiration = next_whole_second() + self._expirations = {} # type: Dict[Tuple[str, str], datetime.datetime] + # #4515: datetime.max may not be representable on 32-bit platforms + self._max_time = self.MAX_TIME + try: + self._max_time.timestamp() + except OverflowError: + self._max_time = self.MAX_32BIT_TIME + + def save(self, file_path: PathLike) -> None: + file_path = pathlib.Path(file_path) + with file_path.open(mode="wb") as f: + pickle.dump(self._cookies, f, pickle.HIGHEST_PROTOCOL) + + def load(self, file_path: PathLike) -> None: + file_path = pathlib.Path(file_path) + with file_path.open(mode="rb") as f: + self._cookies = pickle.load(f) + + def clear(self) -> None: + self._cookies.clear() + self._host_only_cookies.clear() + self._next_expiration = next_whole_second() + self._expirations.clear() + + def __iter__(self) -> "Iterator[Morsel[str]]": + self._do_expiration() + for val in self._cookies.values(): + yield from val.values() + + def __len__(self) -> int: + return sum(1 for i in self) + + def _do_expiration(self) -> None: + now = datetime.datetime.now(datetime.timezone.utc) + if self._next_expiration > now: + return + if not self._expirations: + return + next_expiration = self._max_time + to_del = [] + cookies = self._cookies + expirations = self._expirations + for (domain, name), when in expirations.items(): + if when <= now: + cookies[domain].pop(name, None) + to_del.append((domain, name)) + self._host_only_cookies.discard((domain, name)) + else: + next_expiration = min(next_expiration, when) + for key in to_del: + del expirations[key] + + try: + self._next_expiration = next_expiration.replace( + microsecond=0 + ) + datetime.timedelta(seconds=1) + except OverflowError: + self._next_expiration = self._max_time + + def _expire_cookie(self, when: datetime.datetime, domain: str, name: str) -> None: + self._next_expiration = min(self._next_expiration, when) + self._expirations[(domain, name)] = when + + def update_cookies(self, cookies: LooseCookies, response_url: URL = URL()) -> None: + """Update cookies.""" + hostname = response_url.raw_host + + if not self._unsafe and is_ip_address(hostname): + # Don't accept cookies from IPs + return + + if isinstance(cookies, Mapping): + cookies = cookies.items() + + for name, cookie in cookies: + if not isinstance(cookie, Morsel): + tmp = SimpleCookie() # type: SimpleCookie[str] + tmp[name] = cookie # type: ignore + cookie = tmp[name] + + domain = cookie["domain"] + + # ignore domains with trailing dots + if domain.endswith("."): + domain = "" + del cookie["domain"] + + if not domain and hostname is not None: + # Set the cookie's domain to the response hostname + # and set its host-only-flag + self._host_only_cookies.add((hostname, name)) + domain = cookie["domain"] = hostname + + if domain.startswith("."): + # Remove leading dot + domain = domain[1:] + cookie["domain"] = domain + + if hostname and not self._is_domain_match(domain, hostname): + # Setting cookies for different domains is not allowed + continue + + path = cookie["path"] + if not path or not path.startswith("/"): + # Set the cookie's path to the response path + path = response_url.path + if not path.startswith("/"): + path = "/" + else: + # Cut everything from the last slash to the end + path = "/" + path[1 : path.rfind("/")] + cookie["path"] = path + + max_age = cookie["max-age"] + if max_age: + try: + delta_seconds = int(max_age) + try: + max_age_expiration = datetime.datetime.now( + datetime.timezone.utc + ) + datetime.timedelta(seconds=delta_seconds) + except OverflowError: + max_age_expiration = self._max_time + self._expire_cookie(max_age_expiration, domain, name) + except ValueError: + cookie["max-age"] = "" + + else: + expires = cookie["expires"] + if expires: + expire_time = self._parse_date(expires) + if expire_time: + self._expire_cookie(expire_time, domain, name) + else: + cookie["expires"] = "" + + self._cookies[domain][name] = cookie + + self._do_expiration() + + def filter_cookies( + self, request_url: URL = URL() + ) -> Union["BaseCookie[str]", "SimpleCookie[str]"]: + """Returns this jar's cookies filtered by their attributes.""" + self._do_expiration() + request_url = URL(request_url) + filtered: Union["SimpleCookie[str]", "BaseCookie[str]"] = ( + SimpleCookie() if self._quote_cookie else BaseCookie() + ) + hostname = request_url.raw_host or "" + is_not_secure = request_url.scheme not in ("https", "wss") + + for cookie in self: + name = cookie.key + domain = cookie["domain"] + + # Send shared cookies + if not domain: + filtered[name] = cookie.value + continue + + if not self._unsafe and is_ip_address(hostname): + continue + + if (domain, name) in self._host_only_cookies: + if domain != hostname: + continue + elif not self._is_domain_match(domain, hostname): + continue + + if not self._is_path_match(request_url.path, cookie["path"]): + continue + + if is_not_secure and cookie["secure"]: + continue + + # It's critical we use the Morsel so the coded_value + # (based on cookie version) is preserved + mrsl_val = cast("Morsel[str]", cookie.get(cookie.key, Morsel())) + mrsl_val.set(cookie.key, cookie.value, cookie.coded_value) + filtered[name] = mrsl_val + + return filtered + + @staticmethod + def _is_domain_match(domain: str, hostname: str) -> bool: + """Implements domain matching adhering to RFC 6265.""" + if hostname == domain: + return True + + if not hostname.endswith(domain): + return False + + non_matching = hostname[: -len(domain)] + + if not non_matching.endswith("."): + return False + + return not is_ip_address(hostname) + + @staticmethod + def _is_path_match(req_path: str, cookie_path: str) -> bool: + """Implements path matching adhering to RFC 6265.""" + if not req_path.startswith("/"): + req_path = "/" + + if req_path == cookie_path: + return True + + if not req_path.startswith(cookie_path): + return False + + if cookie_path.endswith("/"): + return True + + non_matching = req_path[len(cookie_path) :] + + return non_matching.startswith("/") + + @classmethod + def _parse_date(cls, date_str: str) -> Optional[datetime.datetime]: + """Implements date string parsing adhering to RFC 6265.""" + if not date_str: + return None + + found_time = False + found_day = False + found_month = False + found_year = False + + hour = minute = second = 0 + day = 0 + month = 0 + year = 0 + + for token_match in cls.DATE_TOKENS_RE.finditer(date_str): + + token = token_match.group("token") + + if not found_time: + time_match = cls.DATE_HMS_TIME_RE.match(token) + if time_match: + found_time = True + hour, minute, second = [int(s) for s in time_match.groups()] + continue + + if not found_day: + day_match = cls.DATE_DAY_OF_MONTH_RE.match(token) + if day_match: + found_day = True + day = int(day_match.group()) + continue + + if not found_month: + month_match = cls.DATE_MONTH_RE.match(token) + if month_match: + found_month = True + assert month_match.lastindex is not None + month = month_match.lastindex + continue + + if not found_year: + year_match = cls.DATE_YEAR_RE.match(token) + if year_match: + found_year = True + year = int(year_match.group()) + + if 70 <= year <= 99: + year += 1900 + elif 0 <= year <= 69: + year += 2000 + + if False in (found_day, found_month, found_year, found_time): + return None + + if not 1 <= day <= 31: + return None + + if year < 1601 or hour > 23 or minute > 59 or second > 59: + return None + + return datetime.datetime( + year, month, day, hour, minute, second, tzinfo=datetime.timezone.utc + ) + + +class DummyCookieJar(AbstractCookieJar): + """Implements a dummy cookie storage. + + It can be used with the ClientSession when no cookie processing is needed. + + """ + + def __init__(self, *, loop: Optional[asyncio.AbstractEventLoop] = None) -> None: + super().__init__(loop=loop) + + def __iter__(self) -> "Iterator[Morsel[str]]": + while False: + yield None + + def __len__(self) -> int: + return 0 + + def clear(self) -> None: + pass + + def update_cookies(self, cookies: LooseCookies, response_url: URL = URL()) -> None: + pass + + def filter_cookies(self, request_url: URL) -> "BaseCookie[str]": + return SimpleCookie() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/formdata.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/formdata.py new file mode 100644 index 0000000..900716b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/formdata.py @@ -0,0 +1,170 @@ +import io +from typing import Any, Iterable, List, Optional +from urllib.parse import urlencode + +from multidict import MultiDict, MultiDictProxy + +from . import hdrs, multipart, payload +from .helpers import guess_filename +from .payload import Payload + +__all__ = ("FormData",) + + +class FormData: + """Helper class for multipart/form-data and + application/x-www-form-urlencoded body generation.""" + + def __init__( + self, + fields: Iterable[Any] = (), + quote_fields: bool = True, + charset: Optional[str] = None, + ) -> None: + self._writer = multipart.MultipartWriter("form-data") + self._fields = [] # type: List[Any] + self._is_multipart = False + self._is_processed = False + self._quote_fields = quote_fields + self._charset = charset + + if isinstance(fields, dict): + fields = list(fields.items()) + elif not isinstance(fields, (list, tuple)): + fields = (fields,) + self.add_fields(*fields) + + @property + def is_multipart(self) -> bool: + return self._is_multipart + + def add_field( + self, + name: str, + value: Any, + *, + content_type: Optional[str] = None, + filename: Optional[str] = None, + content_transfer_encoding: Optional[str] = None + ) -> None: + + if isinstance(value, io.IOBase): + self._is_multipart = True + elif isinstance(value, (bytes, bytearray, memoryview)): + if filename is None and content_transfer_encoding is None: + filename = name + + type_options = MultiDict({"name": name}) # type: MultiDict[str] + if filename is not None and not isinstance(filename, str): + raise TypeError( + "filename must be an instance of str. " "Got: %s" % filename + ) + if filename is None and isinstance(value, io.IOBase): + filename = guess_filename(value, name) + if filename is not None: + type_options["filename"] = filename + self._is_multipart = True + + headers = {} + if content_type is not None: + if not isinstance(content_type, str): + raise TypeError( + "content_type must be an instance of str. " "Got: %s" % content_type + ) + headers[hdrs.CONTENT_TYPE] = content_type + self._is_multipart = True + if content_transfer_encoding is not None: + if not isinstance(content_transfer_encoding, str): + raise TypeError( + "content_transfer_encoding must be an instance" + " of str. Got: %s" % content_transfer_encoding + ) + headers[hdrs.CONTENT_TRANSFER_ENCODING] = content_transfer_encoding + self._is_multipart = True + + self._fields.append((type_options, headers, value)) + + def add_fields(self, *fields: Any) -> None: + to_add = list(fields) + + while to_add: + rec = to_add.pop(0) + + if isinstance(rec, io.IOBase): + k = guess_filename(rec, "unknown") + self.add_field(k, rec) # type: ignore + + elif isinstance(rec, (MultiDictProxy, MultiDict)): + to_add.extend(rec.items()) + + elif isinstance(rec, (list, tuple)) and len(rec) == 2: + k, fp = rec + self.add_field(k, fp) # type: ignore + + else: + raise TypeError( + "Only io.IOBase, multidict and (name, file) " + "pairs allowed, use .add_field() for passing " + "more complex parameters, got {!r}".format(rec) + ) + + def _gen_form_urlencoded(self) -> payload.BytesPayload: + # form data (x-www-form-urlencoded) + data = [] + for type_options, _, value in self._fields: + data.append((type_options["name"], value)) + + charset = self._charset if self._charset is not None else "utf-8" + + if charset == "utf-8": + content_type = "application/x-www-form-urlencoded" + else: + content_type = "application/x-www-form-urlencoded; " "charset=%s" % charset + + return payload.BytesPayload( + urlencode(data, doseq=True, encoding=charset).encode(), + content_type=content_type, + ) + + def _gen_form_data(self) -> multipart.MultipartWriter: + """Encode a list of fields using the multipart/form-data MIME format""" + if self._is_processed: + raise RuntimeError("Form data has been processed already") + for dispparams, headers, value in self._fields: + try: + if hdrs.CONTENT_TYPE in headers: + part = payload.get_payload( + value, + content_type=headers[hdrs.CONTENT_TYPE], + headers=headers, + encoding=self._charset, + ) + else: + part = payload.get_payload( + value, headers=headers, encoding=self._charset + ) + except Exception as exc: + raise TypeError( + "Can not serialize value type: %r\n " + "headers: %r\n value: %r" % (type(value), headers, value) + ) from exc + + if dispparams: + part.set_content_disposition( + "form-data", quote_fields=self._quote_fields, **dispparams + ) + # FIXME cgi.FieldStorage doesn't likes body parts with + # Content-Length which were sent via chunked transfer encoding + assert part.headers is not None + part.headers.popall(hdrs.CONTENT_LENGTH, None) + + self._writer.append_payload(part) + + self._is_processed = True + return self._writer + + def __call__(self) -> Payload: + if self._is_multipart: + return self._gen_form_data() + else: + return self._gen_form_urlencoded() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.py new file mode 100644 index 0000000..46b2610 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.py @@ -0,0 +1,72 @@ +from collections.abc import MutableSequence +from functools import total_ordering + +from .helpers import NO_EXTENSIONS + + +@total_ordering +class FrozenList(MutableSequence): + + __slots__ = ("_frozen", "_items") + + def __init__(self, items=None): + self._frozen = False + if items is not None: + items = list(items) + else: + items = [] + self._items = items + + @property + def frozen(self): + return self._frozen + + def freeze(self): + self._frozen = True + + def __getitem__(self, index): + return self._items[index] + + def __setitem__(self, index, value): + if self._frozen: + raise RuntimeError("Cannot modify frozen list.") + self._items[index] = value + + def __delitem__(self, index): + if self._frozen: + raise RuntimeError("Cannot modify frozen list.") + del self._items[index] + + def __len__(self): + return self._items.__len__() + + def __iter__(self): + return self._items.__iter__() + + def __reversed__(self): + return self._items.__reversed__() + + def __eq__(self, other): + return list(self) == other + + def __le__(self, other): + return list(self) <= other + + def insert(self, pos, item): + if self._frozen: + raise RuntimeError("Cannot modify frozen list.") + self._items.insert(pos, item) + + def __repr__(self): + return f"" + + +PyFrozenList = FrozenList + +try: + from aiohttp._frozenlist import FrozenList as CFrozenList # type: ignore + + if not NO_EXTENSIONS: + FrozenList = CFrozenList # type: ignore +except ImportError: # pragma: no cover + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.pyi b/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.pyi new file mode 100644 index 0000000..72ab086 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/frozenlist.pyi @@ -0,0 +1,46 @@ +from typing import ( + Generic, + Iterable, + Iterator, + List, + MutableSequence, + Optional, + TypeVar, + Union, + overload, +) + +_T = TypeVar("_T") +_Arg = Union[List[_T], Iterable[_T]] + +class FrozenList(MutableSequence[_T], Generic[_T]): + def __init__(self, items: Optional[_Arg[_T]] = ...) -> None: ... + @property + def frozen(self) -> bool: ... + def freeze(self) -> None: ... + @overload + def __getitem__(self, i: int) -> _T: ... + @overload + def __getitem__(self, s: slice) -> FrozenList[_T]: ... + @overload + def __setitem__(self, i: int, o: _T) -> None: ... + @overload + def __setitem__(self, s: slice, o: Iterable[_T]) -> None: ... + @overload + def __delitem__(self, i: int) -> None: ... + @overload + def __delitem__(self, i: slice) -> None: ... + def __len__(self) -> int: ... + def __iter__(self) -> Iterator[_T]: ... + def __reversed__(self) -> Iterator[_T]: ... + def __eq__(self, other: object) -> bool: ... + def __le__(self, other: FrozenList[_T]) -> bool: ... + def __ne__(self, other: object) -> bool: ... + def __lt__(self, other: FrozenList[_T]) -> bool: ... + def __ge__(self, other: FrozenList[_T]) -> bool: ... + def __gt__(self, other: FrozenList[_T]) -> bool: ... + def insert(self, pos: int, item: _T) -> None: ... + def __repr__(self) -> str: ... + +# types for C accelerators are the same +CFrozenList = PyFrozenList = FrozenList diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/hdrs.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/hdrs.py new file mode 100644 index 0000000..f04a545 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/hdrs.py @@ -0,0 +1,108 @@ +"""HTTP Headers constants.""" + +# After changing the file content call ./tools/gen.py +# to regenerate the headers parser + +from multidict import istr + +METH_ANY = "*" +METH_CONNECT = "CONNECT" +METH_HEAD = "HEAD" +METH_GET = "GET" +METH_DELETE = "DELETE" +METH_OPTIONS = "OPTIONS" +METH_PATCH = "PATCH" +METH_POST = "POST" +METH_PUT = "PUT" +METH_TRACE = "TRACE" + +METH_ALL = { + METH_CONNECT, + METH_HEAD, + METH_GET, + METH_DELETE, + METH_OPTIONS, + METH_PATCH, + METH_POST, + METH_PUT, + METH_TRACE, +} + + +ACCEPT = istr("Accept") +ACCEPT_CHARSET = istr("Accept-Charset") +ACCEPT_ENCODING = istr("Accept-Encoding") +ACCEPT_LANGUAGE = istr("Accept-Language") +ACCEPT_RANGES = istr("Accept-Ranges") +ACCESS_CONTROL_MAX_AGE = istr("Access-Control-Max-Age") +ACCESS_CONTROL_ALLOW_CREDENTIALS = istr("Access-Control-Allow-Credentials") +ACCESS_CONTROL_ALLOW_HEADERS = istr("Access-Control-Allow-Headers") +ACCESS_CONTROL_ALLOW_METHODS = istr("Access-Control-Allow-Methods") +ACCESS_CONTROL_ALLOW_ORIGIN = istr("Access-Control-Allow-Origin") +ACCESS_CONTROL_EXPOSE_HEADERS = istr("Access-Control-Expose-Headers") +ACCESS_CONTROL_REQUEST_HEADERS = istr("Access-Control-Request-Headers") +ACCESS_CONTROL_REQUEST_METHOD = istr("Access-Control-Request-Method") +AGE = istr("Age") +ALLOW = istr("Allow") +AUTHORIZATION = istr("Authorization") +CACHE_CONTROL = istr("Cache-Control") +CONNECTION = istr("Connection") +CONTENT_DISPOSITION = istr("Content-Disposition") +CONTENT_ENCODING = istr("Content-Encoding") +CONTENT_LANGUAGE = istr("Content-Language") +CONTENT_LENGTH = istr("Content-Length") +CONTENT_LOCATION = istr("Content-Location") +CONTENT_MD5 = istr("Content-MD5") +CONTENT_RANGE = istr("Content-Range") +CONTENT_TRANSFER_ENCODING = istr("Content-Transfer-Encoding") +CONTENT_TYPE = istr("Content-Type") +COOKIE = istr("Cookie") +DATE = istr("Date") +DESTINATION = istr("Destination") +DIGEST = istr("Digest") +ETAG = istr("Etag") +EXPECT = istr("Expect") +EXPIRES = istr("Expires") +FORWARDED = istr("Forwarded") +FROM = istr("From") +HOST = istr("Host") +IF_MATCH = istr("If-Match") +IF_MODIFIED_SINCE = istr("If-Modified-Since") +IF_NONE_MATCH = istr("If-None-Match") +IF_RANGE = istr("If-Range") +IF_UNMODIFIED_SINCE = istr("If-Unmodified-Since") +KEEP_ALIVE = istr("Keep-Alive") +LAST_EVENT_ID = istr("Last-Event-ID") +LAST_MODIFIED = istr("Last-Modified") +LINK = istr("Link") +LOCATION = istr("Location") +MAX_FORWARDS = istr("Max-Forwards") +ORIGIN = istr("Origin") +PRAGMA = istr("Pragma") +PROXY_AUTHENTICATE = istr("Proxy-Authenticate") +PROXY_AUTHORIZATION = istr("Proxy-Authorization") +RANGE = istr("Range") +REFERER = istr("Referer") +RETRY_AFTER = istr("Retry-After") +SEC_WEBSOCKET_ACCEPT = istr("Sec-WebSocket-Accept") +SEC_WEBSOCKET_VERSION = istr("Sec-WebSocket-Version") +SEC_WEBSOCKET_PROTOCOL = istr("Sec-WebSocket-Protocol") +SEC_WEBSOCKET_EXTENSIONS = istr("Sec-WebSocket-Extensions") +SEC_WEBSOCKET_KEY = istr("Sec-WebSocket-Key") +SEC_WEBSOCKET_KEY1 = istr("Sec-WebSocket-Key1") +SERVER = istr("Server") +SET_COOKIE = istr("Set-Cookie") +TE = istr("TE") +TRAILER = istr("Trailer") +TRANSFER_ENCODING = istr("Transfer-Encoding") +UPGRADE = istr("Upgrade") +URI = istr("URI") +USER_AGENT = istr("User-Agent") +VARY = istr("Vary") +VIA = istr("Via") +WANT_DIGEST = istr("Want-Digest") +WARNING = istr("Warning") +WWW_AUTHENTICATE = istr("WWW-Authenticate") +X_FORWARDED_FOR = istr("X-Forwarded-For") +X_FORWARDED_HOST = istr("X-Forwarded-Host") +X_FORWARDED_PROTO = istr("X-Forwarded-Proto") diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/helpers.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/helpers.py new file mode 100644 index 0000000..bbf5f12 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/helpers.py @@ -0,0 +1,780 @@ +"""Various helper functions""" + +import asyncio +import base64 +import binascii +import cgi +import datetime +import functools +import inspect +import netrc +import os +import platform +import re +import sys +import time +import warnings +import weakref +from collections import namedtuple +from contextlib import suppress +from math import ceil +from pathlib import Path +from types import TracebackType +from typing import ( + Any, + Callable, + Dict, + Generator, + Generic, + Iterable, + Iterator, + List, + Mapping, + Optional, + Pattern, + Set, + Tuple, + Type, + TypeVar, + Union, + cast, +) +from urllib.parse import quote +from urllib.request import getproxies + +import async_timeout +import attr +from multidict import MultiDict, MultiDictProxy +from typing_extensions import Protocol +from yarl import URL + +from . import hdrs +from .log import client_logger, internal_logger +from .typedefs import PathLike # noqa + +__all__ = ("BasicAuth", "ChainMapProxy") + +PY_36 = sys.version_info >= (3, 6) +PY_37 = sys.version_info >= (3, 7) +PY_38 = sys.version_info >= (3, 8) + +if not PY_37: + import idna_ssl + + idna_ssl.patch_match_hostname() + +try: + from typing import ContextManager +except ImportError: + from typing_extensions import ContextManager + + +def all_tasks( + loop: Optional[asyncio.AbstractEventLoop] = None, +) -> Set["asyncio.Task[Any]"]: + tasks = list(asyncio.Task.all_tasks(loop)) + return {t for t in tasks if not t.done()} + + +if PY_37: + all_tasks = getattr(asyncio, "all_tasks") + + +_T = TypeVar("_T") +_S = TypeVar("_S") + + +sentinel = object() # type: Any +NO_EXTENSIONS = bool(os.environ.get("AIOHTTP_NO_EXTENSIONS")) # type: bool + +# N.B. sys.flags.dev_mode is available on Python 3.7+, use getattr +# for compatibility with older versions +DEBUG = getattr(sys.flags, "dev_mode", False) or ( + not sys.flags.ignore_environment and bool(os.environ.get("PYTHONASYNCIODEBUG")) +) # type: bool + + +CHAR = {chr(i) for i in range(0, 128)} +CTL = {chr(i) for i in range(0, 32)} | { + chr(127), +} +SEPARATORS = { + "(", + ")", + "<", + ">", + "@", + ",", + ";", + ":", + "\\", + '"', + "/", + "[", + "]", + "?", + "=", + "{", + "}", + " ", + chr(9), +} +TOKEN = CHAR ^ CTL ^ SEPARATORS + + +class noop: + def __await__(self) -> Generator[None, None, None]: + yield + + +class BasicAuth(namedtuple("BasicAuth", ["login", "password", "encoding"])): + """Http basic authentication helper.""" + + def __new__( + cls, login: str, password: str = "", encoding: str = "latin1" + ) -> "BasicAuth": + if login is None: + raise ValueError("None is not allowed as login value") + + if password is None: + raise ValueError("None is not allowed as password value") + + if ":" in login: + raise ValueError('A ":" is not allowed in login (RFC 1945#section-11.1)') + + return super().__new__(cls, login, password, encoding) + + @classmethod + def decode(cls, auth_header: str, encoding: str = "latin1") -> "BasicAuth": + """Create a BasicAuth object from an Authorization HTTP header.""" + try: + auth_type, encoded_credentials = auth_header.split(" ", 1) + except ValueError: + raise ValueError("Could not parse authorization header.") + + if auth_type.lower() != "basic": + raise ValueError("Unknown authorization method %s" % auth_type) + + try: + decoded = base64.b64decode( + encoded_credentials.encode("ascii"), validate=True + ).decode(encoding) + except binascii.Error: + raise ValueError("Invalid base64 encoding.") + + try: + # RFC 2617 HTTP Authentication + # https://www.ietf.org/rfc/rfc2617.txt + # the colon must be present, but the username and password may be + # otherwise blank. + username, password = decoded.split(":", 1) + except ValueError: + raise ValueError("Invalid credentials.") + + return cls(username, password, encoding=encoding) + + @classmethod + def from_url(cls, url: URL, *, encoding: str = "latin1") -> Optional["BasicAuth"]: + """Create BasicAuth from url.""" + if not isinstance(url, URL): + raise TypeError("url should be yarl.URL instance") + if url.user is None: + return None + return cls(url.user, url.password or "", encoding=encoding) + + def encode(self) -> str: + """Encode credentials.""" + creds = (f"{self.login}:{self.password}").encode(self.encoding) + return "Basic %s" % base64.b64encode(creds).decode(self.encoding) + + +def strip_auth_from_url(url: URL) -> Tuple[URL, Optional[BasicAuth]]: + auth = BasicAuth.from_url(url) + if auth is None: + return url, None + else: + return url.with_user(None), auth + + +def netrc_from_env() -> Optional[netrc.netrc]: + """Attempt to load the netrc file from the path specified by the env-var + NETRC or in the default location in the user's home directory. + + Returns None if it couldn't be found or fails to parse. + """ + netrc_env = os.environ.get("NETRC") + + if netrc_env is not None: + netrc_path = Path(netrc_env) + else: + try: + home_dir = Path.home() + except RuntimeError as e: # pragma: no cover + # if pathlib can't resolve home, it may raise a RuntimeError + client_logger.debug( + "Could not resolve home directory when " + "trying to look for .netrc file: %s", + e, + ) + return None + + netrc_path = home_dir / ( + "_netrc" if platform.system() == "Windows" else ".netrc" + ) + + try: + return netrc.netrc(str(netrc_path)) + except netrc.NetrcParseError as e: + client_logger.warning("Could not parse .netrc file: %s", e) + except OSError as e: + # we couldn't read the file (doesn't exist, permissions, etc.) + if netrc_env or netrc_path.is_file(): + # only warn if the environment wanted us to load it, + # or it appears like the default file does actually exist + client_logger.warning("Could not read .netrc file: %s", e) + + return None + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class ProxyInfo: + proxy: URL + proxy_auth: Optional[BasicAuth] + + +def proxies_from_env() -> Dict[str, ProxyInfo]: + proxy_urls = {k: URL(v) for k, v in getproxies().items() if k in ("http", "https")} + netrc_obj = netrc_from_env() + stripped = {k: strip_auth_from_url(v) for k, v in proxy_urls.items()} + ret = {} + for proto, val in stripped.items(): + proxy, auth = val + if proxy.scheme == "https": + client_logger.warning("HTTPS proxies %s are not supported, ignoring", proxy) + continue + if netrc_obj and auth is None: + auth_from_netrc = None + if proxy.host is not None: + auth_from_netrc = netrc_obj.authenticators(proxy.host) + if auth_from_netrc is not None: + # auth_from_netrc is a (`user`, `account`, `password`) tuple, + # `user` and `account` both can be username, + # if `user` is None, use `account` + *logins, password = auth_from_netrc + login = logins[0] if logins[0] else logins[-1] + auth = BasicAuth(cast(str, login), cast(str, password)) + ret[proto] = ProxyInfo(proxy, auth) + return ret + + +def current_task( + loop: Optional[asyncio.AbstractEventLoop] = None, +) -> "Optional[asyncio.Task[Any]]": + if PY_37: + return asyncio.current_task(loop=loop) + else: + return asyncio.Task.current_task(loop=loop) + + +def get_running_loop( + loop: Optional[asyncio.AbstractEventLoop] = None, +) -> asyncio.AbstractEventLoop: + if loop is None: + loop = asyncio.get_event_loop() + if not loop.is_running(): + warnings.warn( + "The object should be created within an async function", + DeprecationWarning, + stacklevel=3, + ) + if loop.get_debug(): + internal_logger.warning( + "The object should be created within an async function", stack_info=True + ) + return loop + + +def isasyncgenfunction(obj: Any) -> bool: + func = getattr(inspect, "isasyncgenfunction", None) + if func is not None: + return func(obj) + else: + return False + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class MimeType: + type: str + subtype: str + suffix: str + parameters: "MultiDictProxy[str]" + + +@functools.lru_cache(maxsize=56) +def parse_mimetype(mimetype: str) -> MimeType: + """Parses a MIME type into its components. + + mimetype is a MIME type string. + + Returns a MimeType object. + + Example: + + >>> parse_mimetype('text/html; charset=utf-8') + MimeType(type='text', subtype='html', suffix='', + parameters={'charset': 'utf-8'}) + + """ + if not mimetype: + return MimeType( + type="", subtype="", suffix="", parameters=MultiDictProxy(MultiDict()) + ) + + parts = mimetype.split(";") + params = MultiDict() # type: MultiDict[str] + for item in parts[1:]: + if not item: + continue + key, value = cast( + Tuple[str, str], item.split("=", 1) if "=" in item else (item, "") + ) + params.add(key.lower().strip(), value.strip(' "')) + + fulltype = parts[0].strip().lower() + if fulltype == "*": + fulltype = "*/*" + + mtype, stype = ( + cast(Tuple[str, str], fulltype.split("/", 1)) + if "/" in fulltype + else (fulltype, "") + ) + stype, suffix = ( + cast(Tuple[str, str], stype.split("+", 1)) if "+" in stype else (stype, "") + ) + + return MimeType( + type=mtype, subtype=stype, suffix=suffix, parameters=MultiDictProxy(params) + ) + + +def guess_filename(obj: Any, default: Optional[str] = None) -> Optional[str]: + name = getattr(obj, "name", None) + if name and isinstance(name, str) and name[0] != "<" and name[-1] != ">": + return Path(name).name + return default + + +def content_disposition_header( + disptype: str, quote_fields: bool = True, **params: str +) -> str: + """Sets ``Content-Disposition`` header. + + disptype is a disposition type: inline, attachment, form-data. + Should be valid extension token (see RFC 2183) + + params is a dict with disposition params. + """ + if not disptype or not (TOKEN > set(disptype)): + raise ValueError("bad content disposition type {!r}" "".format(disptype)) + + value = disptype + if params: + lparams = [] + for key, val in params.items(): + if not key or not (TOKEN > set(key)): + raise ValueError( + "bad content disposition parameter" " {!r}={!r}".format(key, val) + ) + qval = quote(val, "") if quote_fields else val + lparams.append((key, '"%s"' % qval)) + if key == "filename": + lparams.append(("filename*", "utf-8''" + qval)) + sparams = "; ".join("=".join(pair) for pair in lparams) + value = "; ".join((value, sparams)) + return value + + +class _TSelf(Protocol): + _cache: Dict[str, Any] + + +class reify(Generic[_T]): + """Use as a class method decorator. It operates almost exactly like + the Python `@property` decorator, but it puts the result of the + method it decorates into the instance dict after the first call, + effectively replacing the function it decorates with an instance + variable. It is, in Python parlance, a data descriptor. + + """ + + def __init__(self, wrapped: Callable[..., _T]) -> None: + self.wrapped = wrapped + self.__doc__ = wrapped.__doc__ + self.name = wrapped.__name__ + + def __get__(self, inst: _TSelf, owner: Optional[Type[Any]] = None) -> _T: + try: + try: + return inst._cache[self.name] + except KeyError: + val = self.wrapped(inst) + inst._cache[self.name] = val + return val + except AttributeError: + if inst is None: + return self + raise + + def __set__(self, inst: _TSelf, value: _T) -> None: + raise AttributeError("reified property is read-only") + + +reify_py = reify + +try: + from ._helpers import reify as reify_c + + if not NO_EXTENSIONS: + reify = reify_c # type: ignore +except ImportError: + pass + +_ipv4_pattern = ( + r"^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}" + r"(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$" +) +_ipv6_pattern = ( + r"^(?:(?:(?:[A-F0-9]{1,4}:){6}|(?=(?:[A-F0-9]{0,4}:){0,6}" + r"(?:[0-9]{1,3}\.){3}[0-9]{1,3}$)(([0-9A-F]{1,4}:){0,5}|:)" + r"((:[0-9A-F]{1,4}){1,5}:|:)|::(?:[A-F0-9]{1,4}:){5})" + r"(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.){3}" + r"(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])|(?:[A-F0-9]{1,4}:){7}" + r"[A-F0-9]{1,4}|(?=(?:[A-F0-9]{0,4}:){0,7}[A-F0-9]{0,4}$)" + r"(([0-9A-F]{1,4}:){1,7}|:)((:[0-9A-F]{1,4}){1,7}|:)|(?:[A-F0-9]{1,4}:){7}" + r":|:(:[A-F0-9]{1,4}){7})$" +) +_ipv4_regex = re.compile(_ipv4_pattern) +_ipv6_regex = re.compile(_ipv6_pattern, flags=re.IGNORECASE) +_ipv4_regexb = re.compile(_ipv4_pattern.encode("ascii")) +_ipv6_regexb = re.compile(_ipv6_pattern.encode("ascii"), flags=re.IGNORECASE) + + +def _is_ip_address( + regex: Pattern[str], regexb: Pattern[bytes], host: Optional[Union[str, bytes]] +) -> bool: + if host is None: + return False + if isinstance(host, str): + return bool(regex.match(host)) + elif isinstance(host, (bytes, bytearray, memoryview)): + return bool(regexb.match(host)) + else: + raise TypeError("{} [{}] is not a str or bytes".format(host, type(host))) + + +is_ipv4_address = functools.partial(_is_ip_address, _ipv4_regex, _ipv4_regexb) +is_ipv6_address = functools.partial(_is_ip_address, _ipv6_regex, _ipv6_regexb) + + +def is_ip_address(host: Optional[Union[str, bytes, bytearray, memoryview]]) -> bool: + return is_ipv4_address(host) or is_ipv6_address(host) + + +def next_whole_second() -> datetime.datetime: + """Return current time rounded up to the next whole second.""" + return datetime.datetime.now(datetime.timezone.utc).replace( + microsecond=0 + ) + datetime.timedelta(seconds=0) + + +_cached_current_datetime = None # type: Optional[int] +_cached_formatted_datetime = "" + + +def rfc822_formatted_time() -> str: + global _cached_current_datetime + global _cached_formatted_datetime + + now = int(time.time()) + if now != _cached_current_datetime: + # Weekday and month names for HTTP date/time formatting; + # always English! + # Tuples are constants stored in codeobject! + _weekdayname = ("Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun") + _monthname = ( + "", # Dummy so we can use 1-based month numbers + "Jan", + "Feb", + "Mar", + "Apr", + "May", + "Jun", + "Jul", + "Aug", + "Sep", + "Oct", + "Nov", + "Dec", + ) + + year, month, day, hh, mm, ss, wd, *tail = time.gmtime(now) + _cached_formatted_datetime = "%s, %02d %3s %4d %02d:%02d:%02d GMT" % ( + _weekdayname[wd], + day, + _monthname[month], + year, + hh, + mm, + ss, + ) + _cached_current_datetime = now + return _cached_formatted_datetime + + +def _weakref_handle(info): # type: ignore + ref, name = info + ob = ref() + if ob is not None: + with suppress(Exception): + getattr(ob, name)() + + +def weakref_handle(ob, name, timeout, loop): # type: ignore + if timeout is not None and timeout > 0: + when = loop.time() + timeout + if timeout >= 5: + when = ceil(when) + + return loop.call_at(when, _weakref_handle, (weakref.ref(ob), name)) + + +def call_later(cb, timeout, loop): # type: ignore + if timeout is not None and timeout > 0: + when = loop.time() + timeout + if timeout > 5: + when = ceil(when) + return loop.call_at(when, cb) + + +class TimeoutHandle: + """ Timeout handle """ + + def __init__( + self, loop: asyncio.AbstractEventLoop, timeout: Optional[float] + ) -> None: + self._timeout = timeout + self._loop = loop + self._callbacks = ( + [] + ) # type: List[Tuple[Callable[..., None], Tuple[Any, ...], Dict[str, Any]]] + + def register( + self, callback: Callable[..., None], *args: Any, **kwargs: Any + ) -> None: + self._callbacks.append((callback, args, kwargs)) + + def close(self) -> None: + self._callbacks.clear() + + def start(self) -> Optional[asyncio.Handle]: + timeout = self._timeout + if timeout is not None and timeout > 0: + when = self._loop.time() + timeout + if timeout >= 5: + when = ceil(when) + return self._loop.call_at(when, self.__call__) + else: + return None + + def timer(self) -> "BaseTimerContext": + if self._timeout is not None and self._timeout > 0: + timer = TimerContext(self._loop) + self.register(timer.timeout) + return timer + else: + return TimerNoop() + + def __call__(self) -> None: + for cb, args, kwargs in self._callbacks: + with suppress(Exception): + cb(*args, **kwargs) + + self._callbacks.clear() + + +class BaseTimerContext(ContextManager["BaseTimerContext"]): + pass + + +class TimerNoop(BaseTimerContext): + def __enter__(self) -> BaseTimerContext: + return self + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + return + + +class TimerContext(BaseTimerContext): + """ Low resolution timeout context manager """ + + def __init__(self, loop: asyncio.AbstractEventLoop) -> None: + self._loop = loop + self._tasks = [] # type: List[asyncio.Task[Any]] + self._cancelled = False + + def __enter__(self) -> BaseTimerContext: + task = current_task(loop=self._loop) + + if task is None: + raise RuntimeError( + "Timeout context manager should be used " "inside a task" + ) + + if self._cancelled: + task.cancel() + raise asyncio.TimeoutError from None + + self._tasks.append(task) + return self + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> Optional[bool]: + if self._tasks: + self._tasks.pop() + + if exc_type is asyncio.CancelledError and self._cancelled: + raise asyncio.TimeoutError from None + return None + + def timeout(self) -> None: + if not self._cancelled: + for task in set(self._tasks): + task.cancel() + + self._cancelled = True + + +class CeilTimeout(async_timeout.timeout): + def __enter__(self) -> async_timeout.timeout: + if self._timeout is not None: + self._task = current_task(loop=self._loop) + if self._task is None: + raise RuntimeError( + "Timeout context manager should be used inside a task" + ) + now = self._loop.time() + delay = self._timeout + when = now + delay + if delay > 5: + when = ceil(when) + self._cancel_handler = self._loop.call_at(when, self._cancel_task) + return self + + +class HeadersMixin: + + ATTRS = frozenset(["_content_type", "_content_dict", "_stored_content_type"]) + + _content_type = None # type: Optional[str] + _content_dict = None # type: Optional[Dict[str, str]] + _stored_content_type = sentinel + + def _parse_content_type(self, raw: str) -> None: + self._stored_content_type = raw + if raw is None: + # default value according to RFC 2616 + self._content_type = "application/octet-stream" + self._content_dict = {} + else: + self._content_type, self._content_dict = cgi.parse_header(raw) + + @property + def content_type(self) -> str: + """The value of content part for Content-Type HTTP header.""" + raw = self._headers.get(hdrs.CONTENT_TYPE) # type: ignore + if self._stored_content_type != raw: + self._parse_content_type(raw) + return self._content_type # type: ignore + + @property + def charset(self) -> Optional[str]: + """The value of charset part for Content-Type HTTP header.""" + raw = self._headers.get(hdrs.CONTENT_TYPE) # type: ignore + if self._stored_content_type != raw: + self._parse_content_type(raw) + return self._content_dict.get("charset") # type: ignore + + @property + def content_length(self) -> Optional[int]: + """The value of Content-Length HTTP header.""" + content_length = self._headers.get(hdrs.CONTENT_LENGTH) # type: ignore + + if content_length is not None: + return int(content_length) + else: + return None + + +def set_result(fut: "asyncio.Future[_T]", result: _T) -> None: + if not fut.done(): + fut.set_result(result) + + +def set_exception(fut: "asyncio.Future[_T]", exc: BaseException) -> None: + if not fut.done(): + fut.set_exception(exc) + + +class ChainMapProxy(Mapping[str, Any]): + __slots__ = ("_maps",) + + def __init__(self, maps: Iterable[Mapping[str, Any]]) -> None: + self._maps = tuple(maps) + + def __init_subclass__(cls) -> None: + raise TypeError( + "Inheritance class {} from ChainMapProxy " + "is forbidden".format(cls.__name__) + ) + + def __getitem__(self, key: str) -> Any: + for mapping in self._maps: + try: + return mapping[key] + except KeyError: + pass + raise KeyError(key) + + def get(self, key: str, default: Any = None) -> Any: + return self[key] if key in self else default + + def __len__(self) -> int: + # reuses stored hash values if possible + return len(set().union(*self._maps)) # type: ignore + + def __iter__(self) -> Iterator[str]: + d = {} # type: Dict[str, Any] + for mapping in reversed(self._maps): + # reuses stored hash values if possible + d.update(mapping) + return iter(d) + + def __contains__(self, key: object) -> bool: + return any(key in m for m in self._maps) + + def __bool__(self) -> bool: + return any(self._maps) + + def __repr__(self) -> str: + content = ", ".join(map(repr, self._maps)) + return f"ChainMapProxy({content})" diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/http.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http.py new file mode 100644 index 0000000..415ffbf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http.py @@ -0,0 +1,72 @@ +import http.server +import sys +from typing import Mapping, Tuple + +from . import __version__ +from .http_exceptions import HttpProcessingError as HttpProcessingError +from .http_parser import ( + HeadersParser as HeadersParser, + HttpParser as HttpParser, + HttpRequestParser as HttpRequestParser, + HttpResponseParser as HttpResponseParser, + RawRequestMessage as RawRequestMessage, + RawResponseMessage as RawResponseMessage, +) +from .http_websocket import ( + WS_CLOSED_MESSAGE as WS_CLOSED_MESSAGE, + WS_CLOSING_MESSAGE as WS_CLOSING_MESSAGE, + WS_KEY as WS_KEY, + WebSocketError as WebSocketError, + WebSocketReader as WebSocketReader, + WebSocketWriter as WebSocketWriter, + WSCloseCode as WSCloseCode, + WSMessage as WSMessage, + WSMsgType as WSMsgType, + ws_ext_gen as ws_ext_gen, + ws_ext_parse as ws_ext_parse, +) +from .http_writer import ( + HttpVersion as HttpVersion, + HttpVersion10 as HttpVersion10, + HttpVersion11 as HttpVersion11, + StreamWriter as StreamWriter, +) + +__all__ = ( + "HttpProcessingError", + "RESPONSES", + "SERVER_SOFTWARE", + # .http_writer + "StreamWriter", + "HttpVersion", + "HttpVersion10", + "HttpVersion11", + # .http_parser + "HeadersParser", + "HttpParser", + "HttpRequestParser", + "HttpResponseParser", + "RawRequestMessage", + "RawResponseMessage", + # .http_websocket + "WS_CLOSED_MESSAGE", + "WS_CLOSING_MESSAGE", + "WS_KEY", + "WebSocketReader", + "WebSocketWriter", + "ws_ext_gen", + "ws_ext_parse", + "WSMessage", + "WebSocketError", + "WSMsgType", + "WSCloseCode", +) + + +SERVER_SOFTWARE = "Python/{0[0]}.{0[1]} aiohttp/{1}".format( + sys.version_info, __version__ +) # type: str + +RESPONSES = ( + http.server.BaseHTTPRequestHandler.responses +) # type: Mapping[int, Tuple[str, str]] diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_exceptions.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_exceptions.py new file mode 100644 index 0000000..c885f80 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_exceptions.py @@ -0,0 +1,105 @@ +"""Low-level http related exceptions.""" + + +from typing import Optional, Union + +from .typedefs import _CIMultiDict + +__all__ = ("HttpProcessingError",) + + +class HttpProcessingError(Exception): + """HTTP error. + + Shortcut for raising HTTP errors with custom code, message and headers. + + code: HTTP Error code. + message: (optional) Error message. + headers: (optional) Headers to be sent in response, a list of pairs + """ + + code = 0 + message = "" + headers = None + + def __init__( + self, + *, + code: Optional[int] = None, + message: str = "", + headers: Optional[_CIMultiDict] = None, + ) -> None: + if code is not None: + self.code = code + self.headers = headers + self.message = message + + def __str__(self) -> str: + return f"{self.code}, message={self.message!r}" + + def __repr__(self) -> str: + return f"<{self.__class__.__name__}: {self}>" + + +class BadHttpMessage(HttpProcessingError): + + code = 400 + message = "Bad Request" + + def __init__(self, message: str, *, headers: Optional[_CIMultiDict] = None) -> None: + super().__init__(message=message, headers=headers) + self.args = (message,) + + +class HttpBadRequest(BadHttpMessage): + + code = 400 + message = "Bad Request" + + +class PayloadEncodingError(BadHttpMessage): + """Base class for payload errors""" + + +class ContentEncodingError(PayloadEncodingError): + """Content encoding error.""" + + +class TransferEncodingError(PayloadEncodingError): + """transfer encoding error.""" + + +class ContentLengthError(PayloadEncodingError): + """Not enough data for satisfy content length header.""" + + +class LineTooLong(BadHttpMessage): + def __init__( + self, line: str, limit: str = "Unknown", actual_size: str = "Unknown" + ) -> None: + super().__init__( + f"Got more than {limit} bytes ({actual_size}) when reading {line}." + ) + self.args = (line, limit, actual_size) + + +class InvalidHeader(BadHttpMessage): + def __init__(self, hdr: Union[bytes, str]) -> None: + if isinstance(hdr, bytes): + hdr = hdr.decode("utf-8", "surrogateescape") + super().__init__(f"Invalid HTTP Header: {hdr}") + self.hdr = hdr + self.args = (hdr,) + + +class BadStatusLine(BadHttpMessage): + def __init__(self, line: str = "") -> None: + if not isinstance(line, str): + line = repr(line) + super().__init__(f"Bad status line {line!r}") + self.args = (line,) + self.line = line + + +class InvalidURLError(BadHttpMessage): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_parser.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_parser.py new file mode 100644 index 0000000..71ba815 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_parser.py @@ -0,0 +1,901 @@ +import abc +import asyncio +import collections +import re +import string +import zlib +from enum import IntEnum +from typing import Any, List, Optional, Tuple, Type, Union + +from multidict import CIMultiDict, CIMultiDictProxy, istr +from yarl import URL + +from . import hdrs +from .base_protocol import BaseProtocol +from .helpers import NO_EXTENSIONS, BaseTimerContext +from .http_exceptions import ( + BadStatusLine, + ContentEncodingError, + ContentLengthError, + InvalidHeader, + LineTooLong, + TransferEncodingError, +) +from .http_writer import HttpVersion, HttpVersion10 +from .log import internal_logger +from .streams import EMPTY_PAYLOAD, StreamReader +from .typedefs import RawHeaders + +try: + import brotli + + HAS_BROTLI = True +except ImportError: # pragma: no cover + HAS_BROTLI = False + + +__all__ = ( + "HeadersParser", + "HttpParser", + "HttpRequestParser", + "HttpResponseParser", + "RawRequestMessage", + "RawResponseMessage", +) + +ASCIISET = set(string.printable) + +# See https://tools.ietf.org/html/rfc7230#section-3.1.1 +# and https://tools.ietf.org/html/rfc7230#appendix-B +# +# method = token +# tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" / "+" / "-" / "." / +# "^" / "_" / "`" / "|" / "~" / DIGIT / ALPHA +# token = 1*tchar +METHRE = re.compile(r"[!#$%&'*+\-.^_`|~0-9A-Za-z]+") +VERSRE = re.compile(r"HTTP/(\d+).(\d+)") +HDRRE = re.compile(rb"[\x00-\x1F\x7F()<>@,;:\[\]={} \t\\\\\"]") + +RawRequestMessage = collections.namedtuple( + "RawRequestMessage", + [ + "method", + "path", + "version", + "headers", + "raw_headers", + "should_close", + "compression", + "upgrade", + "chunked", + "url", + ], +) + +RawResponseMessage = collections.namedtuple( + "RawResponseMessage", + [ + "version", + "code", + "reason", + "headers", + "raw_headers", + "should_close", + "compression", + "upgrade", + "chunked", + ], +) + + +class ParseState(IntEnum): + + PARSE_NONE = 0 + PARSE_LENGTH = 1 + PARSE_CHUNKED = 2 + PARSE_UNTIL_EOF = 3 + + +class ChunkState(IntEnum): + PARSE_CHUNKED_SIZE = 0 + PARSE_CHUNKED_CHUNK = 1 + PARSE_CHUNKED_CHUNK_EOF = 2 + PARSE_MAYBE_TRAILERS = 3 + PARSE_TRAILERS = 4 + + +class HeadersParser: + def __init__( + self, + max_line_size: int = 8190, + max_headers: int = 32768, + max_field_size: int = 8190, + ) -> None: + self.max_line_size = max_line_size + self.max_headers = max_headers + self.max_field_size = max_field_size + + def parse_headers( + self, lines: List[bytes] + ) -> Tuple["CIMultiDictProxy[str]", RawHeaders]: + headers = CIMultiDict() # type: CIMultiDict[str] + raw_headers = [] + + lines_idx = 1 + line = lines[1] + line_count = len(lines) + + while line: + # Parse initial header name : value pair. + try: + bname, bvalue = line.split(b":", 1) + except ValueError: + raise InvalidHeader(line) from None + + bname = bname.strip(b" \t") + bvalue = bvalue.lstrip() + if HDRRE.search(bname): + raise InvalidHeader(bname) + if len(bname) > self.max_field_size: + raise LineTooLong( + "request header name {}".format( + bname.decode("utf8", "xmlcharrefreplace") + ), + str(self.max_field_size), + str(len(bname)), + ) + + header_length = len(bvalue) + + # next line + lines_idx += 1 + line = lines[lines_idx] + + # consume continuation lines + continuation = line and line[0] in (32, 9) # (' ', '\t') + + if continuation: + bvalue_lst = [bvalue] + while continuation: + header_length += len(line) + if header_length > self.max_field_size: + raise LineTooLong( + "request header field {}".format( + bname.decode("utf8", "xmlcharrefreplace") + ), + str(self.max_field_size), + str(header_length), + ) + bvalue_lst.append(line) + + # next line + lines_idx += 1 + if lines_idx < line_count: + line = lines[lines_idx] + if line: + continuation = line[0] in (32, 9) # (' ', '\t') + else: + line = b"" + break + bvalue = b"".join(bvalue_lst) + else: + if header_length > self.max_field_size: + raise LineTooLong( + "request header field {}".format( + bname.decode("utf8", "xmlcharrefreplace") + ), + str(self.max_field_size), + str(header_length), + ) + + bvalue = bvalue.strip() + name = bname.decode("utf-8", "surrogateescape") + value = bvalue.decode("utf-8", "surrogateescape") + + headers.add(name, value) + raw_headers.append((bname, bvalue)) + + return (CIMultiDictProxy(headers), tuple(raw_headers)) + + +class HttpParser(abc.ABC): + def __init__( + self, + protocol: Optional[BaseProtocol] = None, + loop: Optional[asyncio.AbstractEventLoop] = None, + limit: int = 2 ** 16, + max_line_size: int = 8190, + max_headers: int = 32768, + max_field_size: int = 8190, + timer: Optional[BaseTimerContext] = None, + code: Optional[int] = None, + method: Optional[str] = None, + readall: bool = False, + payload_exception: Optional[Type[BaseException]] = None, + response_with_body: bool = True, + read_until_eof: bool = False, + auto_decompress: bool = True, + ) -> None: + self.protocol = protocol + self.loop = loop + self.max_line_size = max_line_size + self.max_headers = max_headers + self.max_field_size = max_field_size + self.timer = timer + self.code = code + self.method = method + self.readall = readall + self.payload_exception = payload_exception + self.response_with_body = response_with_body + self.read_until_eof = read_until_eof + + self._lines = [] # type: List[bytes] + self._tail = b"" + self._upgraded = False + self._payload = None + self._payload_parser = None # type: Optional[HttpPayloadParser] + self._auto_decompress = auto_decompress + self._limit = limit + self._headers_parser = HeadersParser(max_line_size, max_headers, max_field_size) + + @abc.abstractmethod + def parse_message(self, lines: List[bytes]) -> Any: + pass + + def feed_eof(self) -> Any: + if self._payload_parser is not None: + self._payload_parser.feed_eof() + self._payload_parser = None + else: + # try to extract partial message + if self._tail: + self._lines.append(self._tail) + + if self._lines: + if self._lines[-1] != "\r\n": + self._lines.append(b"") + try: + return self.parse_message(self._lines) + except Exception: + return None + + def feed_data( + self, + data: bytes, + SEP: bytes = b"\r\n", + EMPTY: bytes = b"", + CONTENT_LENGTH: istr = hdrs.CONTENT_LENGTH, + METH_CONNECT: str = hdrs.METH_CONNECT, + SEC_WEBSOCKET_KEY1: istr = hdrs.SEC_WEBSOCKET_KEY1, + ) -> Tuple[List[Any], bool, bytes]: + + messages = [] + + if self._tail: + data, self._tail = self._tail + data, b"" + + data_len = len(data) + start_pos = 0 + loop = self.loop + + while start_pos < data_len: + + # read HTTP message (request/response line + headers), \r\n\r\n + # and split by lines + if self._payload_parser is None and not self._upgraded: + pos = data.find(SEP, start_pos) + # consume \r\n + if pos == start_pos and not self._lines: + start_pos = pos + 2 + continue + + if pos >= start_pos: + # line found + self._lines.append(data[start_pos:pos]) + start_pos = pos + 2 + + # \r\n\r\n found + if self._lines[-1] == EMPTY: + try: + msg = self.parse_message(self._lines) + finally: + self._lines.clear() + + # payload length + length = msg.headers.get(CONTENT_LENGTH) + if length is not None: + try: + length = int(length) + except ValueError: + raise InvalidHeader(CONTENT_LENGTH) + if length < 0: + raise InvalidHeader(CONTENT_LENGTH) + + # do not support old websocket spec + if SEC_WEBSOCKET_KEY1 in msg.headers: + raise InvalidHeader(SEC_WEBSOCKET_KEY1) + + self._upgraded = msg.upgrade + + method = getattr(msg, "method", self.method) + + assert self.protocol is not None + # calculate payload + if ( + (length is not None and length > 0) + or msg.chunked + and not msg.upgrade + ): + payload = StreamReader( + self.protocol, + timer=self.timer, + loop=loop, + limit=self._limit, + ) + payload_parser = HttpPayloadParser( + payload, + length=length, + chunked=msg.chunked, + method=method, + compression=msg.compression, + code=self.code, + readall=self.readall, + response_with_body=self.response_with_body, + auto_decompress=self._auto_decompress, + ) + if not payload_parser.done: + self._payload_parser = payload_parser + elif method == METH_CONNECT: + payload = StreamReader( + self.protocol, + timer=self.timer, + loop=loop, + limit=self._limit, + ) + self._upgraded = True + self._payload_parser = HttpPayloadParser( + payload, + method=msg.method, + compression=msg.compression, + readall=True, + auto_decompress=self._auto_decompress, + ) + else: + if ( + getattr(msg, "code", 100) >= 199 + and length is None + and self.read_until_eof + ): + payload = StreamReader( + self.protocol, + timer=self.timer, + loop=loop, + limit=self._limit, + ) + payload_parser = HttpPayloadParser( + payload, + length=length, + chunked=msg.chunked, + method=method, + compression=msg.compression, + code=self.code, + readall=True, + response_with_body=self.response_with_body, + auto_decompress=self._auto_decompress, + ) + if not payload_parser.done: + self._payload_parser = payload_parser + else: + payload = EMPTY_PAYLOAD # type: ignore + + messages.append((msg, payload)) + else: + self._tail = data[start_pos:] + data = EMPTY + break + + # no parser, just store + elif self._payload_parser is None and self._upgraded: + assert not self._lines + break + + # feed payload + elif data and start_pos < data_len: + assert not self._lines + assert self._payload_parser is not None + try: + eof, data = self._payload_parser.feed_data(data[start_pos:]) + except BaseException as exc: + if self.payload_exception is not None: + self._payload_parser.payload.set_exception( + self.payload_exception(str(exc)) + ) + else: + self._payload_parser.payload.set_exception(exc) + + eof = True + data = b"" + + if eof: + start_pos = 0 + data_len = len(data) + self._payload_parser = None + continue + else: + break + + if data and start_pos < data_len: + data = data[start_pos:] + else: + data = EMPTY + + return messages, self._upgraded, data + + def parse_headers( + self, lines: List[bytes] + ) -> Tuple[ + "CIMultiDictProxy[str]", RawHeaders, Optional[bool], Optional[str], bool, bool + ]: + """Parses RFC 5322 headers from a stream. + + Line continuations are supported. Returns list of header name + and value pairs. Header name is in upper case. + """ + headers, raw_headers = self._headers_parser.parse_headers(lines) + close_conn = None + encoding = None + upgrade = False + chunked = False + + # keep-alive + conn = headers.get(hdrs.CONNECTION) + if conn: + v = conn.lower() + if v == "close": + close_conn = True + elif v == "keep-alive": + close_conn = False + elif v == "upgrade": + upgrade = True + + # encoding + enc = headers.get(hdrs.CONTENT_ENCODING) + if enc: + enc = enc.lower() + if enc in ("gzip", "deflate", "br"): + encoding = enc + + # chunking + te = headers.get(hdrs.TRANSFER_ENCODING) + if te and "chunked" in te.lower(): + chunked = True + + return (headers, raw_headers, close_conn, encoding, upgrade, chunked) + + def set_upgraded(self, val: bool) -> None: + """Set connection upgraded (to websocket) mode. + :param bool val: new state. + """ + self._upgraded = val + + +class HttpRequestParser(HttpParser): + """Read request status line. Exception .http_exceptions.BadStatusLine + could be raised in case of any errors in status line. + Returns RawRequestMessage. + """ + + def parse_message(self, lines: List[bytes]) -> Any: + # request line + line = lines[0].decode("utf-8", "surrogateescape") + try: + method, path, version = line.split(None, 2) + except ValueError: + raise BadStatusLine(line) from None + + if len(path) > self.max_line_size: + raise LineTooLong( + "Status line is too long", str(self.max_line_size), str(len(path)) + ) + + path_part, _hash_separator, url_fragment = path.partition("#") + path_part, _question_mark_separator, qs_part = path_part.partition("?") + + # method + if not METHRE.match(method): + raise BadStatusLine(method) + + # version + try: + if version.startswith("HTTP/"): + n1, n2 = version[5:].split(".", 1) + version_o = HttpVersion(int(n1), int(n2)) + else: + raise BadStatusLine(version) + except Exception: + raise BadStatusLine(version) + + # read headers + ( + headers, + raw_headers, + close, + compression, + upgrade, + chunked, + ) = self.parse_headers(lines) + + if close is None: # then the headers weren't set in the request + if version_o <= HttpVersion10: # HTTP 1.0 must asks to not close + close = True + else: # HTTP 1.1 must ask to close. + close = False + + return RawRequestMessage( + method, + path, + version_o, + headers, + raw_headers, + close, + compression, + upgrade, + chunked, + # NOTE: `yarl.URL.build()` is used to mimic what the Cython-based + # NOTE: parser does, otherwise it results into the same + # NOTE: HTTP Request-Line input producing different + # NOTE: `yarl.URL()` objects + URL.build( + path=path_part, + query_string=qs_part, + fragment=url_fragment, + encoded=True, + ), + ) + + +class HttpResponseParser(HttpParser): + """Read response status line and headers. + + BadStatusLine could be raised in case of any errors in status line. + Returns RawResponseMessage""" + + def parse_message(self, lines: List[bytes]) -> Any: + line = lines[0].decode("utf-8", "surrogateescape") + try: + version, status = line.split(None, 1) + except ValueError: + raise BadStatusLine(line) from None + + try: + status, reason = status.split(None, 1) + except ValueError: + reason = "" + + if len(reason) > self.max_line_size: + raise LineTooLong( + "Status line is too long", str(self.max_line_size), str(len(reason)) + ) + + # version + match = VERSRE.match(version) + if match is None: + raise BadStatusLine(line) + version_o = HttpVersion(int(match.group(1)), int(match.group(2))) + + # The status code is a three-digit number + try: + status_i = int(status) + except ValueError: + raise BadStatusLine(line) from None + + if status_i > 999: + raise BadStatusLine(line) + + # read headers + ( + headers, + raw_headers, + close, + compression, + upgrade, + chunked, + ) = self.parse_headers(lines) + + if close is None: + close = version_o <= HttpVersion10 + + return RawResponseMessage( + version_o, + status_i, + reason.strip(), + headers, + raw_headers, + close, + compression, + upgrade, + chunked, + ) + + +class HttpPayloadParser: + def __init__( + self, + payload: StreamReader, + length: Optional[int] = None, + chunked: bool = False, + compression: Optional[str] = None, + code: Optional[int] = None, + method: Optional[str] = None, + readall: bool = False, + response_with_body: bool = True, + auto_decompress: bool = True, + ) -> None: + self._length = 0 + self._type = ParseState.PARSE_NONE + self._chunk = ChunkState.PARSE_CHUNKED_SIZE + self._chunk_size = 0 + self._chunk_tail = b"" + self._auto_decompress = auto_decompress + self.done = False + + # payload decompression wrapper + if response_with_body and compression and self._auto_decompress: + real_payload = DeflateBuffer( + payload, compression + ) # type: Union[StreamReader, DeflateBuffer] + else: + real_payload = payload + + # payload parser + if not response_with_body: + # don't parse payload if it's not expected to be received + self._type = ParseState.PARSE_NONE + real_payload.feed_eof() + self.done = True + + elif chunked: + self._type = ParseState.PARSE_CHUNKED + elif length is not None: + self._type = ParseState.PARSE_LENGTH + self._length = length + if self._length == 0: + real_payload.feed_eof() + self.done = True + else: + if readall and code != 204: + self._type = ParseState.PARSE_UNTIL_EOF + elif method in ("PUT", "POST"): + internal_logger.warning( # pragma: no cover + "Content-Length or Transfer-Encoding header is required" + ) + self._type = ParseState.PARSE_NONE + real_payload.feed_eof() + self.done = True + + self.payload = real_payload + + def feed_eof(self) -> None: + if self._type == ParseState.PARSE_UNTIL_EOF: + self.payload.feed_eof() + elif self._type == ParseState.PARSE_LENGTH: + raise ContentLengthError( + "Not enough data for satisfy content length header." + ) + elif self._type == ParseState.PARSE_CHUNKED: + raise TransferEncodingError( + "Not enough data for satisfy transfer length header." + ) + + def feed_data( + self, chunk: bytes, SEP: bytes = b"\r\n", CHUNK_EXT: bytes = b";" + ) -> Tuple[bool, bytes]: + # Read specified amount of bytes + if self._type == ParseState.PARSE_LENGTH: + required = self._length + chunk_len = len(chunk) + + if required >= chunk_len: + self._length = required - chunk_len + self.payload.feed_data(chunk, chunk_len) + if self._length == 0: + self.payload.feed_eof() + return True, b"" + else: + self._length = 0 + self.payload.feed_data(chunk[:required], required) + self.payload.feed_eof() + return True, chunk[required:] + + # Chunked transfer encoding parser + elif self._type == ParseState.PARSE_CHUNKED: + if self._chunk_tail: + chunk = self._chunk_tail + chunk + self._chunk_tail = b"" + + while chunk: + + # read next chunk size + if self._chunk == ChunkState.PARSE_CHUNKED_SIZE: + pos = chunk.find(SEP) + if pos >= 0: + i = chunk.find(CHUNK_EXT, 0, pos) + if i >= 0: + size_b = chunk[:i] # strip chunk-extensions + else: + size_b = chunk[:pos] + + try: + size = int(bytes(size_b), 16) + except ValueError: + exc = TransferEncodingError( + chunk[:pos].decode("ascii", "surrogateescape") + ) + self.payload.set_exception(exc) + raise exc from None + + chunk = chunk[pos + 2 :] + if size == 0: # eof marker + self._chunk = ChunkState.PARSE_MAYBE_TRAILERS + else: + self._chunk = ChunkState.PARSE_CHUNKED_CHUNK + self._chunk_size = size + self.payload.begin_http_chunk_receiving() + else: + self._chunk_tail = chunk + return False, b"" + + # read chunk and feed buffer + if self._chunk == ChunkState.PARSE_CHUNKED_CHUNK: + required = self._chunk_size + chunk_len = len(chunk) + + if required > chunk_len: + self._chunk_size = required - chunk_len + self.payload.feed_data(chunk, chunk_len) + return False, b"" + else: + self._chunk_size = 0 + self.payload.feed_data(chunk[:required], required) + chunk = chunk[required:] + self._chunk = ChunkState.PARSE_CHUNKED_CHUNK_EOF + self.payload.end_http_chunk_receiving() + + # toss the CRLF at the end of the chunk + if self._chunk == ChunkState.PARSE_CHUNKED_CHUNK_EOF: + if chunk[:2] == SEP: + chunk = chunk[2:] + self._chunk = ChunkState.PARSE_CHUNKED_SIZE + else: + self._chunk_tail = chunk + return False, b"" + + # if stream does not contain trailer, after 0\r\n + # we should get another \r\n otherwise + # trailers needs to be skiped until \r\n\r\n + if self._chunk == ChunkState.PARSE_MAYBE_TRAILERS: + head = chunk[:2] + if head == SEP: + # end of stream + self.payload.feed_eof() + return True, chunk[2:] + # Both CR and LF, or only LF may not be received yet. It is + # expected that CRLF or LF will be shown at the very first + # byte next time, otherwise trailers should come. The last + # CRLF which marks the end of response might not be + # contained in the same TCP segment which delivered the + # size indicator. + if not head: + return False, b"" + if head == SEP[:1]: + self._chunk_tail = head + return False, b"" + self._chunk = ChunkState.PARSE_TRAILERS + + # read and discard trailer up to the CRLF terminator + if self._chunk == ChunkState.PARSE_TRAILERS: + pos = chunk.find(SEP) + if pos >= 0: + chunk = chunk[pos + 2 :] + self._chunk = ChunkState.PARSE_MAYBE_TRAILERS + else: + self._chunk_tail = chunk + return False, b"" + + # Read all bytes until eof + elif self._type == ParseState.PARSE_UNTIL_EOF: + self.payload.feed_data(chunk, len(chunk)) + + return False, b"" + + +class DeflateBuffer: + """DeflateStream decompress stream and feed data into specified stream.""" + + def __init__(self, out: StreamReader, encoding: Optional[str]) -> None: + self.out = out + self.size = 0 + self.encoding = encoding + self._started_decoding = False + + if encoding == "br": + if not HAS_BROTLI: # pragma: no cover + raise ContentEncodingError( + "Can not decode content-encoding: brotli (br). " + "Please install `brotlipy`" + ) + self.decompressor = brotli.Decompressor() + else: + zlib_mode = 16 + zlib.MAX_WBITS if encoding == "gzip" else zlib.MAX_WBITS + self.decompressor = zlib.decompressobj(wbits=zlib_mode) + + def set_exception(self, exc: BaseException) -> None: + self.out.set_exception(exc) + + def feed_data(self, chunk: bytes, size: int) -> None: + if not size: + return + + self.size += size + + # RFC1950 + # bits 0..3 = CM = 0b1000 = 8 = "deflate" + # bits 4..7 = CINFO = 1..7 = windows size. + if ( + not self._started_decoding + and self.encoding == "deflate" + and chunk[0] & 0xF != 8 + ): + # Change the decoder to decompress incorrectly compressed data + # Actually we should issue a warning about non-RFC-compliant data. + self.decompressor = zlib.decompressobj(wbits=-zlib.MAX_WBITS) + + try: + chunk = self.decompressor.decompress(chunk) + except Exception: + raise ContentEncodingError( + "Can not decode content-encoding: %s" % self.encoding + ) + + self._started_decoding = True + + if chunk: + self.out.feed_data(chunk, len(chunk)) + + def feed_eof(self) -> None: + chunk = self.decompressor.flush() + + if chunk or self.size > 0: + self.out.feed_data(chunk, len(chunk)) + if self.encoding == "deflate" and not self.decompressor.eof: + raise ContentEncodingError("deflate") + + self.out.feed_eof() + + def begin_http_chunk_receiving(self) -> None: + self.out.begin_http_chunk_receiving() + + def end_http_chunk_receiving(self) -> None: + self.out.end_http_chunk_receiving() + + +HttpRequestParserPy = HttpRequestParser +HttpResponseParserPy = HttpResponseParser +RawRequestMessagePy = RawRequestMessage +RawResponseMessagePy = RawResponseMessage + +try: + if not NO_EXTENSIONS: + from ._http_parser import ( # type: ignore + HttpRequestParser, + HttpResponseParser, + RawRequestMessage, + RawResponseMessage, + ) + + HttpRequestParserC = HttpRequestParser + HttpResponseParserC = HttpResponseParser + RawRequestMessageC = RawRequestMessage + RawResponseMessageC = RawResponseMessage +except ImportError: # pragma: no cover + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_websocket.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_websocket.py new file mode 100644 index 0000000..5cdaeea --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_websocket.py @@ -0,0 +1,698 @@ +"""WebSocket protocol versions 13 and 8.""" + +import asyncio +import collections +import json +import random +import re +import sys +import zlib +from enum import IntEnum +from struct import Struct +from typing import Any, Callable, List, Optional, Tuple, Union + +from .base_protocol import BaseProtocol +from .helpers import NO_EXTENSIONS +from .streams import DataQueue + +__all__ = ( + "WS_CLOSED_MESSAGE", + "WS_CLOSING_MESSAGE", + "WS_KEY", + "WebSocketReader", + "WebSocketWriter", + "WSMessage", + "WebSocketError", + "WSMsgType", + "WSCloseCode", +) + + +class WSCloseCode(IntEnum): + OK = 1000 + GOING_AWAY = 1001 + PROTOCOL_ERROR = 1002 + UNSUPPORTED_DATA = 1003 + INVALID_TEXT = 1007 + POLICY_VIOLATION = 1008 + MESSAGE_TOO_BIG = 1009 + MANDATORY_EXTENSION = 1010 + INTERNAL_ERROR = 1011 + SERVICE_RESTART = 1012 + TRY_AGAIN_LATER = 1013 + + +ALLOWED_CLOSE_CODES = {int(i) for i in WSCloseCode} + + +class WSMsgType(IntEnum): + # websocket spec types + CONTINUATION = 0x0 + TEXT = 0x1 + BINARY = 0x2 + PING = 0x9 + PONG = 0xA + CLOSE = 0x8 + + # aiohttp specific types + CLOSING = 0x100 + CLOSED = 0x101 + ERROR = 0x102 + + text = TEXT + binary = BINARY + ping = PING + pong = PONG + close = CLOSE + closing = CLOSING + closed = CLOSED + error = ERROR + + +WS_KEY = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11" + + +UNPACK_LEN2 = Struct("!H").unpack_from +UNPACK_LEN3 = Struct("!Q").unpack_from +UNPACK_CLOSE_CODE = Struct("!H").unpack +PACK_LEN1 = Struct("!BB").pack +PACK_LEN2 = Struct("!BBH").pack +PACK_LEN3 = Struct("!BBQ").pack +PACK_CLOSE_CODE = Struct("!H").pack +MSG_SIZE = 2 ** 14 +DEFAULT_LIMIT = 2 ** 16 + + +_WSMessageBase = collections.namedtuple("_WSMessageBase", ["type", "data", "extra"]) + + +class WSMessage(_WSMessageBase): + def json(self, *, loads: Callable[[Any], Any] = json.loads) -> Any: + """Return parsed JSON data. + + .. versionadded:: 0.22 + """ + return loads(self.data) + + +WS_CLOSED_MESSAGE = WSMessage(WSMsgType.CLOSED, None, None) +WS_CLOSING_MESSAGE = WSMessage(WSMsgType.CLOSING, None, None) + + +class WebSocketError(Exception): + """WebSocket protocol parser error.""" + + def __init__(self, code: int, message: str) -> None: + self.code = code + super().__init__(code, message) + + def __str__(self) -> str: + return self.args[1] + + +class WSHandshakeError(Exception): + """WebSocket protocol handshake error.""" + + +native_byteorder = sys.byteorder + + +# Used by _websocket_mask_python +_XOR_TABLE = [bytes(a ^ b for a in range(256)) for b in range(256)] + + +def _websocket_mask_python(mask: bytes, data: bytearray) -> None: + """Websocket masking function. + + `mask` is a `bytes` object of length 4; `data` is a `bytearray` + object of any length. The contents of `data` are masked with `mask`, + as specified in section 5.3 of RFC 6455. + + Note that this function mutates the `data` argument. + + This pure-python implementation may be replaced by an optimized + version when available. + + """ + assert isinstance(data, bytearray), data + assert len(mask) == 4, mask + + if data: + a, b, c, d = (_XOR_TABLE[n] for n in mask) + data[::4] = data[::4].translate(a) + data[1::4] = data[1::4].translate(b) + data[2::4] = data[2::4].translate(c) + data[3::4] = data[3::4].translate(d) + + +if NO_EXTENSIONS: # pragma: no cover + _websocket_mask = _websocket_mask_python +else: + try: + from ._websocket import _websocket_mask_cython # type: ignore + + _websocket_mask = _websocket_mask_cython + except ImportError: # pragma: no cover + _websocket_mask = _websocket_mask_python + +_WS_DEFLATE_TRAILING = bytes([0x00, 0x00, 0xFF, 0xFF]) + + +_WS_EXT_RE = re.compile( + r"^(?:;\s*(?:" + r"(server_no_context_takeover)|" + r"(client_no_context_takeover)|" + r"(server_max_window_bits(?:=(\d+))?)|" + r"(client_max_window_bits(?:=(\d+))?)))*$" +) + +_WS_EXT_RE_SPLIT = re.compile(r"permessage-deflate([^,]+)?") + + +def ws_ext_parse(extstr: Optional[str], isserver: bool = False) -> Tuple[int, bool]: + if not extstr: + return 0, False + + compress = 0 + notakeover = False + for ext in _WS_EXT_RE_SPLIT.finditer(extstr): + defext = ext.group(1) + # Return compress = 15 when get `permessage-deflate` + if not defext: + compress = 15 + break + match = _WS_EXT_RE.match(defext) + if match: + compress = 15 + if isserver: + # Server never fail to detect compress handshake. + # Server does not need to send max wbit to client + if match.group(4): + compress = int(match.group(4)) + # Group3 must match if group4 matches + # Compress wbit 8 does not support in zlib + # If compress level not support, + # CONTINUE to next extension + if compress > 15 or compress < 9: + compress = 0 + continue + if match.group(1): + notakeover = True + # Ignore regex group 5 & 6 for client_max_window_bits + break + else: + if match.group(6): + compress = int(match.group(6)) + # Group5 must match if group6 matches + # Compress wbit 8 does not support in zlib + # If compress level not support, + # FAIL the parse progress + if compress > 15 or compress < 9: + raise WSHandshakeError("Invalid window size") + if match.group(2): + notakeover = True + # Ignore regex group 5 & 6 for client_max_window_bits + break + # Return Fail if client side and not match + elif not isserver: + raise WSHandshakeError("Extension for deflate not supported" + ext.group(1)) + + return compress, notakeover + + +def ws_ext_gen( + compress: int = 15, isserver: bool = False, server_notakeover: bool = False +) -> str: + # client_notakeover=False not used for server + # compress wbit 8 does not support in zlib + if compress < 9 or compress > 15: + raise ValueError( + "Compress wbits must between 9 and 15, " "zlib does not support wbits=8" + ) + enabledext = ["permessage-deflate"] + if not isserver: + enabledext.append("client_max_window_bits") + + if compress < 15: + enabledext.append("server_max_window_bits=" + str(compress)) + if server_notakeover: + enabledext.append("server_no_context_takeover") + # if client_notakeover: + # enabledext.append('client_no_context_takeover') + return "; ".join(enabledext) + + +class WSParserState(IntEnum): + READ_HEADER = 1 + READ_PAYLOAD_LENGTH = 2 + READ_PAYLOAD_MASK = 3 + READ_PAYLOAD = 4 + + +class WebSocketReader: + def __init__( + self, queue: DataQueue[WSMessage], max_msg_size: int, compress: bool = True + ) -> None: + self.queue = queue + self._max_msg_size = max_msg_size + + self._exc = None # type: Optional[BaseException] + self._partial = bytearray() + self._state = WSParserState.READ_HEADER + + self._opcode = None # type: Optional[int] + self._frame_fin = False + self._frame_opcode = None # type: Optional[int] + self._frame_payload = bytearray() + + self._tail = b"" + self._has_mask = False + self._frame_mask = None # type: Optional[bytes] + self._payload_length = 0 + self._payload_length_flag = 0 + self._compressed = None # type: Optional[bool] + self._decompressobj = None # type: Any # zlib.decompressobj actually + self._compress = compress + + def feed_eof(self) -> None: + self.queue.feed_eof() + + def feed_data(self, data: bytes) -> Tuple[bool, bytes]: + if self._exc: + return True, data + + try: + return self._feed_data(data) + except Exception as exc: + self._exc = exc + self.queue.set_exception(exc) + return True, b"" + + def _feed_data(self, data: bytes) -> Tuple[bool, bytes]: + for fin, opcode, payload, compressed in self.parse_frame(data): + if compressed and not self._decompressobj: + self._decompressobj = zlib.decompressobj(wbits=-zlib.MAX_WBITS) + if opcode == WSMsgType.CLOSE: + if len(payload) >= 2: + close_code = UNPACK_CLOSE_CODE(payload[:2])[0] + if close_code < 3000 and close_code not in ALLOWED_CLOSE_CODES: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + f"Invalid close code: {close_code}", + ) + try: + close_message = payload[2:].decode("utf-8") + except UnicodeDecodeError as exc: + raise WebSocketError( + WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message" + ) from exc + msg = WSMessage(WSMsgType.CLOSE, close_code, close_message) + elif payload: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + f"Invalid close frame: {fin} {opcode} {payload!r}", + ) + else: + msg = WSMessage(WSMsgType.CLOSE, 0, "") + + self.queue.feed_data(msg, 0) + + elif opcode == WSMsgType.PING: + self.queue.feed_data( + WSMessage(WSMsgType.PING, payload, ""), len(payload) + ) + + elif opcode == WSMsgType.PONG: + self.queue.feed_data( + WSMessage(WSMsgType.PONG, payload, ""), len(payload) + ) + + elif ( + opcode not in (WSMsgType.TEXT, WSMsgType.BINARY) + and self._opcode is None + ): + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, f"Unexpected opcode={opcode!r}" + ) + else: + # load text/binary + if not fin: + # got partial frame payload + if opcode != WSMsgType.CONTINUATION: + self._opcode = opcode + self._partial.extend(payload) + if self._max_msg_size and len(self._partial) >= self._max_msg_size: + raise WebSocketError( + WSCloseCode.MESSAGE_TOO_BIG, + "Message size {} exceeds limit {}".format( + len(self._partial), self._max_msg_size + ), + ) + else: + # previous frame was non finished + # we should get continuation opcode + if self._partial: + if opcode != WSMsgType.CONTINUATION: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + "The opcode in non-fin frame is expected " + "to be zero, got {!r}".format(opcode), + ) + + if opcode == WSMsgType.CONTINUATION: + assert self._opcode is not None + opcode = self._opcode + self._opcode = None + + self._partial.extend(payload) + if self._max_msg_size and len(self._partial) >= self._max_msg_size: + raise WebSocketError( + WSCloseCode.MESSAGE_TOO_BIG, + "Message size {} exceeds limit {}".format( + len(self._partial), self._max_msg_size + ), + ) + + # Decompress process must to be done after all packets + # received. + if compressed: + self._partial.extend(_WS_DEFLATE_TRAILING) + payload_merged = self._decompressobj.decompress( + self._partial, self._max_msg_size + ) + if self._decompressobj.unconsumed_tail: + left = len(self._decompressobj.unconsumed_tail) + raise WebSocketError( + WSCloseCode.MESSAGE_TOO_BIG, + "Decompressed message size {} exceeds limit {}".format( + self._max_msg_size + left, self._max_msg_size + ), + ) + else: + payload_merged = bytes(self._partial) + + self._partial.clear() + + if opcode == WSMsgType.TEXT: + try: + text = payload_merged.decode("utf-8") + self.queue.feed_data( + WSMessage(WSMsgType.TEXT, text, ""), len(text) + ) + except UnicodeDecodeError as exc: + raise WebSocketError( + WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message" + ) from exc + else: + self.queue.feed_data( + WSMessage(WSMsgType.BINARY, payload_merged, ""), + len(payload_merged), + ) + + return False, b"" + + def parse_frame( + self, buf: bytes + ) -> List[Tuple[bool, Optional[int], bytearray, Optional[bool]]]: + """Return the next frame from the socket.""" + frames = [] + if self._tail: + buf, self._tail = self._tail + buf, b"" + + start_pos = 0 + buf_length = len(buf) + + while True: + # read header + if self._state == WSParserState.READ_HEADER: + if buf_length - start_pos >= 2: + data = buf[start_pos : start_pos + 2] + start_pos += 2 + first_byte, second_byte = data + + fin = (first_byte >> 7) & 1 + rsv1 = (first_byte >> 6) & 1 + rsv2 = (first_byte >> 5) & 1 + rsv3 = (first_byte >> 4) & 1 + opcode = first_byte & 0xF + + # frame-fin = %x0 ; more frames of this message follow + # / %x1 ; final frame of this message + # frame-rsv1 = %x0 ; + # 1 bit, MUST be 0 unless negotiated otherwise + # frame-rsv2 = %x0 ; + # 1 bit, MUST be 0 unless negotiated otherwise + # frame-rsv3 = %x0 ; + # 1 bit, MUST be 0 unless negotiated otherwise + # + # Remove rsv1 from this test for deflate development + if rsv2 or rsv3 or (rsv1 and not self._compress): + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + "Received frame with non-zero reserved bits", + ) + + if opcode > 0x7 and fin == 0: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + "Received fragmented control frame", + ) + + has_mask = (second_byte >> 7) & 1 + length = second_byte & 0x7F + + # Control frames MUST have a payload + # length of 125 bytes or less + if opcode > 0x7 and length > 125: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + "Control frame payload cannot be " "larger than 125 bytes", + ) + + # Set compress status if last package is FIN + # OR set compress status if this is first fragment + # Raise error if not first fragment with rsv1 = 0x1 + if self._frame_fin or self._compressed is None: + self._compressed = True if rsv1 else False + elif rsv1: + raise WebSocketError( + WSCloseCode.PROTOCOL_ERROR, + "Received frame with non-zero reserved bits", + ) + + self._frame_fin = bool(fin) + self._frame_opcode = opcode + self._has_mask = bool(has_mask) + self._payload_length_flag = length + self._state = WSParserState.READ_PAYLOAD_LENGTH + else: + break + + # read payload length + if self._state == WSParserState.READ_PAYLOAD_LENGTH: + length = self._payload_length_flag + if length == 126: + if buf_length - start_pos >= 2: + data = buf[start_pos : start_pos + 2] + start_pos += 2 + length = UNPACK_LEN2(data)[0] + self._payload_length = length + self._state = ( + WSParserState.READ_PAYLOAD_MASK + if self._has_mask + else WSParserState.READ_PAYLOAD + ) + else: + break + elif length > 126: + if buf_length - start_pos >= 8: + data = buf[start_pos : start_pos + 8] + start_pos += 8 + length = UNPACK_LEN3(data)[0] + self._payload_length = length + self._state = ( + WSParserState.READ_PAYLOAD_MASK + if self._has_mask + else WSParserState.READ_PAYLOAD + ) + else: + break + else: + self._payload_length = length + self._state = ( + WSParserState.READ_PAYLOAD_MASK + if self._has_mask + else WSParserState.READ_PAYLOAD + ) + + # read payload mask + if self._state == WSParserState.READ_PAYLOAD_MASK: + if buf_length - start_pos >= 4: + self._frame_mask = buf[start_pos : start_pos + 4] + start_pos += 4 + self._state = WSParserState.READ_PAYLOAD + else: + break + + if self._state == WSParserState.READ_PAYLOAD: + length = self._payload_length + payload = self._frame_payload + + chunk_len = buf_length - start_pos + if length >= chunk_len: + self._payload_length = length - chunk_len + payload.extend(buf[start_pos:]) + start_pos = buf_length + else: + self._payload_length = 0 + payload.extend(buf[start_pos : start_pos + length]) + start_pos = start_pos + length + + if self._payload_length == 0: + if self._has_mask: + assert self._frame_mask is not None + _websocket_mask(self._frame_mask, payload) + + frames.append( + (self._frame_fin, self._frame_opcode, payload, self._compressed) + ) + + self._frame_payload = bytearray() + self._state = WSParserState.READ_HEADER + else: + break + + self._tail = buf[start_pos:] + + return frames + + +class WebSocketWriter: + def __init__( + self, + protocol: BaseProtocol, + transport: asyncio.Transport, + *, + use_mask: bool = False, + limit: int = DEFAULT_LIMIT, + random: Any = random.Random(), + compress: int = 0, + notakeover: bool = False, + ) -> None: + self.protocol = protocol + self.transport = transport + self.use_mask = use_mask + self.randrange = random.randrange + self.compress = compress + self.notakeover = notakeover + self._closing = False + self._limit = limit + self._output_size = 0 + self._compressobj = None # type: Any # actually compressobj + + async def _send_frame( + self, message: bytes, opcode: int, compress: Optional[int] = None + ) -> None: + """Send a frame over the websocket with message as its payload.""" + if self._closing and not (opcode & WSMsgType.CLOSE): + raise ConnectionResetError("Cannot write to closing transport") + + rsv = 0 + + # Only compress larger packets (disabled) + # Does small packet needs to be compressed? + # if self.compress and opcode < 8 and len(message) > 124: + if (compress or self.compress) and opcode < 8: + if compress: + # Do not set self._compress if compressing is for this frame + compressobj = zlib.compressobj(level=zlib.Z_BEST_SPEED, wbits=-compress) + else: # self.compress + if not self._compressobj: + self._compressobj = zlib.compressobj( + level=zlib.Z_BEST_SPEED, wbits=-self.compress + ) + compressobj = self._compressobj + + message = compressobj.compress(message) + message = message + compressobj.flush( + zlib.Z_FULL_FLUSH if self.notakeover else zlib.Z_SYNC_FLUSH + ) + if message.endswith(_WS_DEFLATE_TRAILING): + message = message[:-4] + rsv = rsv | 0x40 + + msg_length = len(message) + + use_mask = self.use_mask + if use_mask: + mask_bit = 0x80 + else: + mask_bit = 0 + + if msg_length < 126: + header = PACK_LEN1(0x80 | rsv | opcode, msg_length | mask_bit) + elif msg_length < (1 << 16): + header = PACK_LEN2(0x80 | rsv | opcode, 126 | mask_bit, msg_length) + else: + header = PACK_LEN3(0x80 | rsv | opcode, 127 | mask_bit, msg_length) + if use_mask: + mask = self.randrange(0, 0xFFFFFFFF) + mask = mask.to_bytes(4, "big") + message = bytearray(message) + _websocket_mask(mask, message) + self._write(header + mask + message) + self._output_size += len(header) + len(mask) + len(message) + else: + if len(message) > MSG_SIZE: + self._write(header) + self._write(message) + else: + self._write(header + message) + + self._output_size += len(header) + len(message) + + if self._output_size > self._limit: + self._output_size = 0 + await self.protocol._drain_helper() + + def _write(self, data: bytes) -> None: + if self.transport is None or self.transport.is_closing(): + raise ConnectionResetError("Cannot write to closing transport") + self.transport.write(data) + + async def pong(self, message: bytes = b"") -> None: + """Send pong message.""" + if isinstance(message, str): + message = message.encode("utf-8") + await self._send_frame(message, WSMsgType.PONG) + + async def ping(self, message: bytes = b"") -> None: + """Send ping message.""" + if isinstance(message, str): + message = message.encode("utf-8") + await self._send_frame(message, WSMsgType.PING) + + async def send( + self, + message: Union[str, bytes], + binary: bool = False, + compress: Optional[int] = None, + ) -> None: + """Send a frame over the websocket with message as its payload.""" + if isinstance(message, str): + message = message.encode("utf-8") + if binary: + await self._send_frame(message, WSMsgType.BINARY, compress) + else: + await self._send_frame(message, WSMsgType.TEXT, compress) + + async def close(self, code: int = 1000, message: bytes = b"") -> None: + """Close the websocket, sending the specified code and message.""" + if isinstance(message, str): + message = message.encode("utf-8") + try: + await self._send_frame( + PACK_CLOSE_CODE(code) + message, opcode=WSMsgType.CLOSE + ) + finally: + self._closing = True diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_writer.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_writer.py new file mode 100644 index 0000000..d261fc4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/http_writer.py @@ -0,0 +1,182 @@ +"""Http related parsers and protocol.""" + +import asyncio +import collections +import zlib +from typing import Any, Awaitable, Callable, Optional, Union # noqa + +from multidict import CIMultiDict + +from .abc import AbstractStreamWriter +from .base_protocol import BaseProtocol +from .helpers import NO_EXTENSIONS + +__all__ = ("StreamWriter", "HttpVersion", "HttpVersion10", "HttpVersion11") + +HttpVersion = collections.namedtuple("HttpVersion", ["major", "minor"]) +HttpVersion10 = HttpVersion(1, 0) +HttpVersion11 = HttpVersion(1, 1) + + +_T_OnChunkSent = Optional[Callable[[bytes], Awaitable[None]]] + + +class StreamWriter(AbstractStreamWriter): + def __init__( + self, + protocol: BaseProtocol, + loop: asyncio.AbstractEventLoop, + on_chunk_sent: _T_OnChunkSent = None, + ) -> None: + self._protocol = protocol + self._transport = protocol.transport + + self.loop = loop + self.length = None + self.chunked = False + self.buffer_size = 0 + self.output_size = 0 + + self._eof = False + self._compress = None # type: Any + self._drain_waiter = None + + self._on_chunk_sent = on_chunk_sent # type: _T_OnChunkSent + + @property + def transport(self) -> Optional[asyncio.Transport]: + return self._transport + + @property + def protocol(self) -> BaseProtocol: + return self._protocol + + def enable_chunking(self) -> None: + self.chunked = True + + def enable_compression(self, encoding: str = "deflate") -> None: + zlib_mode = 16 + zlib.MAX_WBITS if encoding == "gzip" else zlib.MAX_WBITS + self._compress = zlib.compressobj(wbits=zlib_mode) + + def _write(self, chunk: bytes) -> None: + size = len(chunk) + self.buffer_size += size + self.output_size += size + + if self._transport is None or self._transport.is_closing(): + raise ConnectionResetError("Cannot write to closing transport") + self._transport.write(chunk) + + async def write( + self, chunk: bytes, *, drain: bool = True, LIMIT: int = 0x10000 + ) -> None: + """Writes chunk of data to a stream. + + write_eof() indicates end of stream. + writer can't be used after write_eof() method being called. + write() return drain future. + """ + if self._on_chunk_sent is not None: + await self._on_chunk_sent(chunk) + + if isinstance(chunk, memoryview): + if chunk.nbytes != len(chunk): + # just reshape it + chunk = chunk.cast("c") + + if self._compress is not None: + chunk = self._compress.compress(chunk) + if not chunk: + return + + if self.length is not None: + chunk_len = len(chunk) + if self.length >= chunk_len: + self.length = self.length - chunk_len + else: + chunk = chunk[: self.length] + self.length = 0 + if not chunk: + return + + if chunk: + if self.chunked: + chunk_len_pre = ("%x\r\n" % len(chunk)).encode("ascii") + chunk = chunk_len_pre + chunk + b"\r\n" + + self._write(chunk) + + if self.buffer_size > LIMIT and drain: + self.buffer_size = 0 + await self.drain() + + async def write_headers( + self, status_line: str, headers: "CIMultiDict[str]" + ) -> None: + """Write request/response status and headers.""" + # status + headers + buf = _serialize_headers(status_line, headers) + self._write(buf) + + async def write_eof(self, chunk: bytes = b"") -> None: + if self._eof: + return + + if chunk and self._on_chunk_sent is not None: + await self._on_chunk_sent(chunk) + + if self._compress: + if chunk: + chunk = self._compress.compress(chunk) + + chunk = chunk + self._compress.flush() + if chunk and self.chunked: + chunk_len = ("%x\r\n" % len(chunk)).encode("ascii") + chunk = chunk_len + chunk + b"\r\n0\r\n\r\n" + else: + if self.chunked: + if chunk: + chunk_len = ("%x\r\n" % len(chunk)).encode("ascii") + chunk = chunk_len + chunk + b"\r\n0\r\n\r\n" + else: + chunk = b"0\r\n\r\n" + + if chunk: + self._write(chunk) + + await self.drain() + + self._eof = True + self._transport = None + + async def drain(self) -> None: + """Flush the write buffer. + + The intended use is to write + + await w.write(data) + await w.drain() + """ + if self._protocol.transport is not None: + await self._protocol._drain_helper() + + +def _py_serialize_headers(status_line: str, headers: "CIMultiDict[str]") -> bytes: + line = ( + status_line + + "\r\n" + + "".join([k + ": " + v + "\r\n" for k, v in headers.items()]) + ) + return line.encode("utf-8") + b"\r\n" + + +_serialize_headers = _py_serialize_headers + +try: + import aiohttp._http_writer as _http_writer # type: ignore + + _c_serialize_headers = _http_writer._serialize_headers + if not NO_EXTENSIONS: + _serialize_headers = _c_serialize_headers +except ImportError: + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/locks.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/locks.py new file mode 100644 index 0000000..ce5b9c6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/locks.py @@ -0,0 +1,45 @@ +import asyncio +import collections +from typing import Any, Optional + +try: + from typing import Deque +except ImportError: + from typing_extensions import Deque + + +class EventResultOrError: + """ + This class wrappers the Event asyncio lock allowing either awake the + locked Tasks without any error or raising an exception. + + thanks to @vorpalsmith for the simple design. + """ + + def __init__(self, loop: asyncio.AbstractEventLoop) -> None: + self._loop = loop + self._exc = None # type: Optional[BaseException] + self._event = asyncio.Event() + self._waiters = collections.deque() # type: Deque[asyncio.Future[Any]] + + def set(self, exc: Optional[BaseException] = None) -> None: + self._exc = exc + self._event.set() + + async def wait(self) -> Any: + waiter = self._loop.create_task(self._event.wait()) + self._waiters.append(waiter) + try: + val = await waiter + finally: + self._waiters.remove(waiter) + + if self._exc is not None: + raise self._exc + + return val + + def cancel(self) -> None: + """ Cancel all waiters """ + for waiter in self._waiters: + waiter.cancel() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/log.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/log.py new file mode 100644 index 0000000..3cecea2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/log.py @@ -0,0 +1,8 @@ +import logging + +access_logger = logging.getLogger("aiohttp.access") +client_logger = logging.getLogger("aiohttp.client") +internal_logger = logging.getLogger("aiohttp.internal") +server_logger = logging.getLogger("aiohttp.server") +web_logger = logging.getLogger("aiohttp.web") +ws_logger = logging.getLogger("aiohttp.websocket") diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/multipart.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/multipart.py new file mode 100644 index 0000000..9e1ca92 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/multipart.py @@ -0,0 +1,957 @@ +import base64 +import binascii +import json +import re +import uuid +import warnings +import zlib +from collections import deque +from types import TracebackType +from typing import ( + TYPE_CHECKING, + Any, + AsyncIterator, + Dict, + Iterator, + List, + Mapping, + Optional, + Sequence, + Tuple, + Type, + Union, +) +from urllib.parse import parse_qsl, unquote, urlencode + +from multidict import CIMultiDict, CIMultiDictProxy, MultiMapping + +from .hdrs import ( + CONTENT_DISPOSITION, + CONTENT_ENCODING, + CONTENT_LENGTH, + CONTENT_TRANSFER_ENCODING, + CONTENT_TYPE, +) +from .helpers import CHAR, TOKEN, parse_mimetype, reify +from .http import HeadersParser +from .payload import ( + JsonPayload, + LookupError, + Order, + Payload, + StringPayload, + get_payload, + payload_type, +) +from .streams import StreamReader + +__all__ = ( + "MultipartReader", + "MultipartWriter", + "BodyPartReader", + "BadContentDispositionHeader", + "BadContentDispositionParam", + "parse_content_disposition", + "content_disposition_filename", +) + + +if TYPE_CHECKING: # pragma: no cover + from .client_reqrep import ClientResponse + + +class BadContentDispositionHeader(RuntimeWarning): + pass + + +class BadContentDispositionParam(RuntimeWarning): + pass + + +def parse_content_disposition( + header: Optional[str], +) -> Tuple[Optional[str], Dict[str, str]]: + def is_token(string: str) -> bool: + return bool(string) and TOKEN >= set(string) + + def is_quoted(string: str) -> bool: + return string[0] == string[-1] == '"' + + def is_rfc5987(string: str) -> bool: + return is_token(string) and string.count("'") == 2 + + def is_extended_param(string: str) -> bool: + return string.endswith("*") + + def is_continuous_param(string: str) -> bool: + pos = string.find("*") + 1 + if not pos: + return False + substring = string[pos:-1] if string.endswith("*") else string[pos:] + return substring.isdigit() + + def unescape(text: str, *, chars: str = "".join(map(re.escape, CHAR))) -> str: + return re.sub(f"\\\\([{chars}])", "\\1", text) + + if not header: + return None, {} + + disptype, *parts = header.split(";") + if not is_token(disptype): + warnings.warn(BadContentDispositionHeader(header)) + return None, {} + + params = {} # type: Dict[str, str] + while parts: + item = parts.pop(0) + + if "=" not in item: + warnings.warn(BadContentDispositionHeader(header)) + return None, {} + + key, value = item.split("=", 1) + key = key.lower().strip() + value = value.lstrip() + + if key in params: + warnings.warn(BadContentDispositionHeader(header)) + return None, {} + + if not is_token(key): + warnings.warn(BadContentDispositionParam(item)) + continue + + elif is_continuous_param(key): + if is_quoted(value): + value = unescape(value[1:-1]) + elif not is_token(value): + warnings.warn(BadContentDispositionParam(item)) + continue + + elif is_extended_param(key): + if is_rfc5987(value): + encoding, _, value = value.split("'", 2) + encoding = encoding or "utf-8" + else: + warnings.warn(BadContentDispositionParam(item)) + continue + + try: + value = unquote(value, encoding, "strict") + except UnicodeDecodeError: # pragma: nocover + warnings.warn(BadContentDispositionParam(item)) + continue + + else: + failed = True + if is_quoted(value): + failed = False + value = unescape(value[1:-1].lstrip("\\/")) + elif is_token(value): + failed = False + elif parts: + # maybe just ; in filename, in any case this is just + # one case fix, for proper fix we need to redesign parser + _value = "{};{}".format(value, parts[0]) + if is_quoted(_value): + parts.pop(0) + value = unescape(_value[1:-1].lstrip("\\/")) + failed = False + + if failed: + warnings.warn(BadContentDispositionHeader(header)) + return None, {} + + params[key] = value + + return disptype.lower(), params + + +def content_disposition_filename( + params: Mapping[str, str], name: str = "filename" +) -> Optional[str]: + name_suf = "%s*" % name + if not params: + return None + elif name_suf in params: + return params[name_suf] + elif name in params: + return params[name] + else: + parts = [] + fnparams = sorted( + (key, value) for key, value in params.items() if key.startswith(name_suf) + ) + for num, (key, value) in enumerate(fnparams): + _, tail = key.split("*", 1) + if tail.endswith("*"): + tail = tail[:-1] + if tail == str(num): + parts.append(value) + else: + break + if not parts: + return None + value = "".join(parts) + if "'" in value: + encoding, _, value = value.split("'", 2) + encoding = encoding or "utf-8" + return unquote(value, encoding, "strict") + return value + + +class MultipartResponseWrapper: + """Wrapper around the MultipartReader. + + It takes care about + underlying connection and close it when it needs in. + """ + + def __init__( + self, + resp: "ClientResponse", + stream: "MultipartReader", + ) -> None: + self.resp = resp + self.stream = stream + + def __aiter__(self) -> "MultipartResponseWrapper": + return self + + async def __anext__( + self, + ) -> Union["MultipartReader", "BodyPartReader"]: + part = await self.next() + if part is None: + raise StopAsyncIteration + return part + + def at_eof(self) -> bool: + """Returns True when all response data had been read.""" + return self.resp.content.at_eof() + + async def next( + self, + ) -> Optional[Union["MultipartReader", "BodyPartReader"]]: + """Emits next multipart reader object.""" + item = await self.stream.next() + if self.stream.at_eof(): + await self.release() + return item + + async def release(self) -> None: + """Releases the connection gracefully, reading all the content + to the void.""" + await self.resp.release() + + +class BodyPartReader: + """Multipart reader for single body part.""" + + chunk_size = 8192 + + def __init__( + self, boundary: bytes, headers: "CIMultiDictProxy[str]", content: StreamReader + ) -> None: + self.headers = headers + self._boundary = boundary + self._content = content + self._at_eof = False + length = self.headers.get(CONTENT_LENGTH, None) + self._length = int(length) if length is not None else None + self._read_bytes = 0 + # TODO: typeing.Deque is not supported by Python 3.5 + self._unread = deque() # type: Any + self._prev_chunk = None # type: Optional[bytes] + self._content_eof = 0 + self._cache = {} # type: Dict[str, Any] + + def __aiter__(self) -> AsyncIterator["BodyPartReader"]: + return self # type: ignore + + async def __anext__(self) -> bytes: + part = await self.next() + if part is None: + raise StopAsyncIteration + return part + + async def next(self) -> Optional[bytes]: + item = await self.read() + if not item: + return None + return item + + async def read(self, *, decode: bool = False) -> bytes: + """Reads body part data. + + decode: Decodes data following by encoding + method from Content-Encoding header. If it missed + data remains untouched + """ + if self._at_eof: + return b"" + data = bytearray() + while not self._at_eof: + data.extend(await self.read_chunk(self.chunk_size)) + if decode: + return self.decode(data) + return data + + async def read_chunk(self, size: int = chunk_size) -> bytes: + """Reads body part content chunk of the specified size. + + size: chunk size + """ + if self._at_eof: + return b"" + if self._length: + chunk = await self._read_chunk_from_length(size) + else: + chunk = await self._read_chunk_from_stream(size) + + self._read_bytes += len(chunk) + if self._read_bytes == self._length: + self._at_eof = True + if self._at_eof: + clrf = await self._content.readline() + assert ( + b"\r\n" == clrf + ), "reader did not read all the data or it is malformed" + return chunk + + async def _read_chunk_from_length(self, size: int) -> bytes: + # Reads body part content chunk of the specified size. + # The body part must has Content-Length header with proper value. + assert self._length is not None, "Content-Length required for chunked read" + chunk_size = min(size, self._length - self._read_bytes) + chunk = await self._content.read(chunk_size) + return chunk + + async def _read_chunk_from_stream(self, size: int) -> bytes: + # Reads content chunk of body part with unknown length. + # The Content-Length header for body part is not necessary. + assert ( + size >= len(self._boundary) + 2 + ), "Chunk size must be greater or equal than boundary length + 2" + first_chunk = self._prev_chunk is None + if first_chunk: + self._prev_chunk = await self._content.read(size) + + chunk = await self._content.read(size) + self._content_eof += int(self._content.at_eof()) + assert self._content_eof < 3, "Reading after EOF" + assert self._prev_chunk is not None + window = self._prev_chunk + chunk + sub = b"\r\n" + self._boundary + if first_chunk: + idx = window.find(sub) + else: + idx = window.find(sub, max(0, len(self._prev_chunk) - len(sub))) + if idx >= 0: + # pushing boundary back to content + with warnings.catch_warnings(): + warnings.filterwarnings("ignore", category=DeprecationWarning) + self._content.unread_data(window[idx:]) + if size > idx: + self._prev_chunk = self._prev_chunk[:idx] + chunk = window[len(self._prev_chunk) : idx] + if not chunk: + self._at_eof = True + result = self._prev_chunk + self._prev_chunk = chunk + return result + + async def readline(self) -> bytes: + """Reads body part by line by line.""" + if self._at_eof: + return b"" + + if self._unread: + line = self._unread.popleft() + else: + line = await self._content.readline() + + if line.startswith(self._boundary): + # the very last boundary may not come with \r\n, + # so set single rules for everyone + sline = line.rstrip(b"\r\n") + boundary = self._boundary + last_boundary = self._boundary + b"--" + # ensure that we read exactly the boundary, not something alike + if sline == boundary or sline == last_boundary: + self._at_eof = True + self._unread.append(line) + return b"" + else: + next_line = await self._content.readline() + if next_line.startswith(self._boundary): + line = line[:-2] # strip CRLF but only once + self._unread.append(next_line) + + return line + + async def release(self) -> None: + """Like read(), but reads all the data to the void.""" + if self._at_eof: + return + while not self._at_eof: + await self.read_chunk(self.chunk_size) + + async def text(self, *, encoding: Optional[str] = None) -> str: + """Like read(), but assumes that body part contains text data.""" + data = await self.read(decode=True) + # see https://www.w3.org/TR/html5/forms.html#multipart/form-data-encoding-algorithm # NOQA + # and https://dvcs.w3.org/hg/xhr/raw-file/tip/Overview.html#dom-xmlhttprequest-send # NOQA + encoding = encoding or self.get_charset(default="utf-8") + return data.decode(encoding) + + async def json(self, *, encoding: Optional[str] = None) -> Optional[Dict[str, Any]]: + """Like read(), but assumes that body parts contains JSON data.""" + data = await self.read(decode=True) + if not data: + return None + encoding = encoding or self.get_charset(default="utf-8") + return json.loads(data.decode(encoding)) + + async def form(self, *, encoding: Optional[str] = None) -> List[Tuple[str, str]]: + """Like read(), but assumes that body parts contains form + urlencoded data. + """ + data = await self.read(decode=True) + if not data: + return [] + if encoding is not None: + real_encoding = encoding + else: + real_encoding = self.get_charset(default="utf-8") + return parse_qsl( + data.rstrip().decode(real_encoding), + keep_blank_values=True, + encoding=real_encoding, + ) + + def at_eof(self) -> bool: + """Returns True if the boundary was reached or False otherwise.""" + return self._at_eof + + def decode(self, data: bytes) -> bytes: + """Decodes data according the specified Content-Encoding + or Content-Transfer-Encoding headers value. + """ + if CONTENT_TRANSFER_ENCODING in self.headers: + data = self._decode_content_transfer(data) + if CONTENT_ENCODING in self.headers: + return self._decode_content(data) + return data + + def _decode_content(self, data: bytes) -> bytes: + encoding = self.headers.get(CONTENT_ENCODING, "").lower() + + if encoding == "deflate": + return zlib.decompress(data, -zlib.MAX_WBITS) + elif encoding == "gzip": + return zlib.decompress(data, 16 + zlib.MAX_WBITS) + elif encoding == "identity": + return data + else: + raise RuntimeError(f"unknown content encoding: {encoding}") + + def _decode_content_transfer(self, data: bytes) -> bytes: + encoding = self.headers.get(CONTENT_TRANSFER_ENCODING, "").lower() + + if encoding == "base64": + return base64.b64decode(data) + elif encoding == "quoted-printable": + return binascii.a2b_qp(data) + elif encoding in ("binary", "8bit", "7bit"): + return data + else: + raise RuntimeError( + "unknown content transfer encoding: {}" "".format(encoding) + ) + + def get_charset(self, default: str) -> str: + """Returns charset parameter from Content-Type header or default.""" + ctype = self.headers.get(CONTENT_TYPE, "") + mimetype = parse_mimetype(ctype) + return mimetype.parameters.get("charset", default) + + @reify + def name(self) -> Optional[str]: + """Returns name specified in Content-Disposition header or None + if missed or header is malformed. + """ + + _, params = parse_content_disposition(self.headers.get(CONTENT_DISPOSITION)) + return content_disposition_filename(params, "name") + + @reify + def filename(self) -> Optional[str]: + """Returns filename specified in Content-Disposition header or None + if missed or header is malformed. + """ + _, params = parse_content_disposition(self.headers.get(CONTENT_DISPOSITION)) + return content_disposition_filename(params, "filename") + + +@payload_type(BodyPartReader, order=Order.try_first) +class BodyPartReaderPayload(Payload): + def __init__(self, value: BodyPartReader, *args: Any, **kwargs: Any) -> None: + super().__init__(value, *args, **kwargs) + + params = {} # type: Dict[str, str] + if value.name is not None: + params["name"] = value.name + if value.filename is not None: + params["filename"] = value.filename + + if params: + self.set_content_disposition("attachment", True, **params) + + async def write(self, writer: Any) -> None: + field = self._value + chunk = await field.read_chunk(size=2 ** 16) + while chunk: + await writer.write(field.decode(chunk)) + chunk = await field.read_chunk(size=2 ** 16) + + +class MultipartReader: + """Multipart body reader.""" + + #: Response wrapper, used when multipart readers constructs from response. + response_wrapper_cls = MultipartResponseWrapper + #: Multipart reader class, used to handle multipart/* body parts. + #: None points to type(self) + multipart_reader_cls = None + #: Body part reader class for non multipart/* content types. + part_reader_cls = BodyPartReader + + def __init__(self, headers: Mapping[str, str], content: StreamReader) -> None: + self.headers = headers + self._boundary = ("--" + self._get_boundary()).encode() + self._content = content + self._last_part = ( + None + ) # type: Optional[Union['MultipartReader', BodyPartReader]] + self._at_eof = False + self._at_bof = True + self._unread = [] # type: List[bytes] + + def __aiter__( + self, + ) -> AsyncIterator["BodyPartReader"]: + return self # type: ignore + + async def __anext__( + self, + ) -> Optional[Union["MultipartReader", BodyPartReader]]: + part = await self.next() + if part is None: + raise StopAsyncIteration + return part + + @classmethod + def from_response( + cls, + response: "ClientResponse", + ) -> MultipartResponseWrapper: + """Constructs reader instance from HTTP response. + + :param response: :class:`~aiohttp.client.ClientResponse` instance + """ + obj = cls.response_wrapper_cls( + response, cls(response.headers, response.content) + ) + return obj + + def at_eof(self) -> bool: + """Returns True if the final boundary was reached or + False otherwise. + """ + return self._at_eof + + async def next( + self, + ) -> Optional[Union["MultipartReader", BodyPartReader]]: + """Emits the next multipart body part.""" + # So, if we're at BOF, we need to skip till the boundary. + if self._at_eof: + return None + await self._maybe_release_last_part() + if self._at_bof: + await self._read_until_first_boundary() + self._at_bof = False + else: + await self._read_boundary() + if self._at_eof: # we just read the last boundary, nothing to do there + return None + self._last_part = await self.fetch_next_part() + return self._last_part + + async def release(self) -> None: + """Reads all the body parts to the void till the final boundary.""" + while not self._at_eof: + item = await self.next() + if item is None: + break + await item.release() + + async def fetch_next_part( + self, + ) -> Union["MultipartReader", BodyPartReader]: + """Returns the next body part reader.""" + headers = await self._read_headers() + return self._get_part_reader(headers) + + def _get_part_reader( + self, + headers: "CIMultiDictProxy[str]", + ) -> Union["MultipartReader", BodyPartReader]: + """Dispatches the response by the `Content-Type` header, returning + suitable reader instance. + + :param dict headers: Response headers + """ + ctype = headers.get(CONTENT_TYPE, "") + mimetype = parse_mimetype(ctype) + + if mimetype.type == "multipart": + if self.multipart_reader_cls is None: + return type(self)(headers, self._content) + return self.multipart_reader_cls(headers, self._content) + else: + return self.part_reader_cls(self._boundary, headers, self._content) + + def _get_boundary(self) -> str: + mimetype = parse_mimetype(self.headers[CONTENT_TYPE]) + + assert mimetype.type == "multipart", "multipart/* content type expected" + + if "boundary" not in mimetype.parameters: + raise ValueError( + "boundary missed for Content-Type: %s" % self.headers[CONTENT_TYPE] + ) + + boundary = mimetype.parameters["boundary"] + if len(boundary) > 70: + raise ValueError("boundary %r is too long (70 chars max)" % boundary) + + return boundary + + async def _readline(self) -> bytes: + if self._unread: + return self._unread.pop() + return await self._content.readline() + + async def _read_until_first_boundary(self) -> None: + while True: + chunk = await self._readline() + if chunk == b"": + raise ValueError( + "Could not find starting boundary %r" % (self._boundary) + ) + chunk = chunk.rstrip() + if chunk == self._boundary: + return + elif chunk == self._boundary + b"--": + self._at_eof = True + return + + async def _read_boundary(self) -> None: + chunk = (await self._readline()).rstrip() + if chunk == self._boundary: + pass + elif chunk == self._boundary + b"--": + self._at_eof = True + epilogue = await self._readline() + next_line = await self._readline() + + # the epilogue is expected and then either the end of input or the + # parent multipart boundary, if the parent boundary is found then + # it should be marked as unread and handed to the parent for + # processing + if next_line[:2] == b"--": + self._unread.append(next_line) + # otherwise the request is likely missing an epilogue and both + # lines should be passed to the parent for processing + # (this handles the old behavior gracefully) + else: + self._unread.extend([next_line, epilogue]) + else: + raise ValueError(f"Invalid boundary {chunk!r}, expected {self._boundary!r}") + + async def _read_headers(self) -> "CIMultiDictProxy[str]": + lines = [b""] + while True: + chunk = await self._content.readline() + chunk = chunk.strip() + lines.append(chunk) + if not chunk: + break + parser = HeadersParser() + headers, raw_headers = parser.parse_headers(lines) + return headers + + async def _maybe_release_last_part(self) -> None: + """Ensures that the last read body part is read completely.""" + if self._last_part is not None: + if not self._last_part.at_eof(): + await self._last_part.release() + self._unread.extend(self._last_part._unread) + self._last_part = None + + +_Part = Tuple[Payload, str, str] + + +class MultipartWriter(Payload): + """Multipart body writer.""" + + def __init__(self, subtype: str = "mixed", boundary: Optional[str] = None) -> None: + boundary = boundary if boundary is not None else uuid.uuid4().hex + # The underlying Payload API demands a str (utf-8), not bytes, + # so we need to ensure we don't lose anything during conversion. + # As a result, require the boundary to be ASCII only. + # In both situations. + + try: + self._boundary = boundary.encode("ascii") + except UnicodeEncodeError: + raise ValueError("boundary should contain ASCII only chars") from None + ctype = f"multipart/{subtype}; boundary={self._boundary_value}" + + super().__init__(None, content_type=ctype) + + self._parts = [] # type: List[_Part] + + def __enter__(self) -> "MultipartWriter": + return self + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType], + ) -> None: + pass + + def __iter__(self) -> Iterator[_Part]: + return iter(self._parts) + + def __len__(self) -> int: + return len(self._parts) + + def __bool__(self) -> bool: + return True + + _valid_tchar_regex = re.compile(br"\A[!#$%&'*+\-.^_`|~\w]+\Z") + _invalid_qdtext_char_regex = re.compile(br"[\x00-\x08\x0A-\x1F\x7F]") + + @property + def _boundary_value(self) -> str: + """Wrap boundary parameter value in quotes, if necessary. + + Reads self.boundary and returns a unicode sting. + """ + # Refer to RFCs 7231, 7230, 5234. + # + # parameter = token "=" ( token / quoted-string ) + # token = 1*tchar + # quoted-string = DQUOTE *( qdtext / quoted-pair ) DQUOTE + # qdtext = HTAB / SP / %x21 / %x23-5B / %x5D-7E / obs-text + # obs-text = %x80-FF + # quoted-pair = "\" ( HTAB / SP / VCHAR / obs-text ) + # tchar = "!" / "#" / "$" / "%" / "&" / "'" / "*" + # / "+" / "-" / "." / "^" / "_" / "`" / "|" / "~" + # / DIGIT / ALPHA + # ; any VCHAR, except delimiters + # VCHAR = %x21-7E + value = self._boundary + if re.match(self._valid_tchar_regex, value): + return value.decode("ascii") # cannot fail + + if re.search(self._invalid_qdtext_char_regex, value): + raise ValueError("boundary value contains invalid characters") + + # escape %x5C and %x22 + quoted_value_content = value.replace(b"\\", b"\\\\") + quoted_value_content = quoted_value_content.replace(b'"', b'\\"') + + return '"' + quoted_value_content.decode("ascii") + '"' + + @property + def boundary(self) -> str: + return self._boundary.decode("ascii") + + def append(self, obj: Any, headers: Optional[MultiMapping[str]] = None) -> Payload: + if headers is None: + headers = CIMultiDict() + + if isinstance(obj, Payload): + obj.headers.update(headers) + return self.append_payload(obj) + else: + try: + payload = get_payload(obj, headers=headers) + except LookupError: + raise TypeError("Cannot create payload from %r" % obj) + else: + return self.append_payload(payload) + + def append_payload(self, payload: Payload) -> Payload: + """Adds a new body part to multipart writer.""" + # compression + encoding = payload.headers.get( + CONTENT_ENCODING, + "", + ).lower() # type: Optional[str] + if encoding and encoding not in ("deflate", "gzip", "identity"): + raise RuntimeError(f"unknown content encoding: {encoding}") + if encoding == "identity": + encoding = None + + # te encoding + te_encoding = payload.headers.get( + CONTENT_TRANSFER_ENCODING, + "", + ).lower() # type: Optional[str] + if te_encoding not in ("", "base64", "quoted-printable", "binary"): + raise RuntimeError( + "unknown content transfer encoding: {}" "".format(te_encoding) + ) + if te_encoding == "binary": + te_encoding = None + + # size + size = payload.size + if size is not None and not (encoding or te_encoding): + payload.headers[CONTENT_LENGTH] = str(size) + + self._parts.append((payload, encoding, te_encoding)) # type: ignore + return payload + + def append_json( + self, obj: Any, headers: Optional[MultiMapping[str]] = None + ) -> Payload: + """Helper to append JSON part.""" + if headers is None: + headers = CIMultiDict() + + return self.append_payload(JsonPayload(obj, headers=headers)) + + def append_form( + self, + obj: Union[Sequence[Tuple[str, str]], Mapping[str, str]], + headers: Optional[MultiMapping[str]] = None, + ) -> Payload: + """Helper to append form urlencoded part.""" + assert isinstance(obj, (Sequence, Mapping)) + + if headers is None: + headers = CIMultiDict() + + if isinstance(obj, Mapping): + obj = list(obj.items()) + data = urlencode(obj, doseq=True) + + return self.append_payload( + StringPayload( + data, headers=headers, content_type="application/x-www-form-urlencoded" + ) + ) + + @property + def size(self) -> Optional[int]: + """Size of the payload.""" + total = 0 + for part, encoding, te_encoding in self._parts: + if encoding or te_encoding or part.size is None: + return None + + total += int( + 2 + + len(self._boundary) + + 2 + + part.size # b'--'+self._boundary+b'\r\n' + + len(part._binary_headers) + + 2 # b'\r\n' + ) + + total += 2 + len(self._boundary) + 4 # b'--'+self._boundary+b'--\r\n' + return total + + async def write(self, writer: Any, close_boundary: bool = True) -> None: + """Write body.""" + for part, encoding, te_encoding in self._parts: + await writer.write(b"--" + self._boundary + b"\r\n") + await writer.write(part._binary_headers) + + if encoding or te_encoding: + w = MultipartPayloadWriter(writer) + if encoding: + w.enable_compression(encoding) + if te_encoding: + w.enable_encoding(te_encoding) + await part.write(w) # type: ignore + await w.write_eof() + else: + await part.write(writer) + + await writer.write(b"\r\n") + + if close_boundary: + await writer.write(b"--" + self._boundary + b"--\r\n") + + +class MultipartPayloadWriter: + def __init__(self, writer: Any) -> None: + self._writer = writer + self._encoding = None # type: Optional[str] + self._compress = None # type: Any + self._encoding_buffer = None # type: Optional[bytearray] + + def enable_encoding(self, encoding: str) -> None: + if encoding == "base64": + self._encoding = encoding + self._encoding_buffer = bytearray() + elif encoding == "quoted-printable": + self._encoding = "quoted-printable" + + def enable_compression(self, encoding: str = "deflate") -> None: + zlib_mode = 16 + zlib.MAX_WBITS if encoding == "gzip" else -zlib.MAX_WBITS + self._compress = zlib.compressobj(wbits=zlib_mode) + + async def write_eof(self) -> None: + if self._compress is not None: + chunk = self._compress.flush() + if chunk: + self._compress = None + await self.write(chunk) + + if self._encoding == "base64": + if self._encoding_buffer: + await self._writer.write(base64.b64encode(self._encoding_buffer)) + + async def write(self, chunk: bytes) -> None: + if self._compress is not None: + if chunk: + chunk = self._compress.compress(chunk) + if not chunk: + return + + if self._encoding == "base64": + buf = self._encoding_buffer + assert buf is not None + buf.extend(chunk) + + if buf: + div, mod = divmod(len(buf), 3) + enc_chunk, self._encoding_buffer = (buf[: div * 3], buf[div * 3 :]) + if enc_chunk: + b64chunk = base64.b64encode(enc_chunk) + await self._writer.write(b64chunk) + elif self._encoding == "quoted-printable": + await self._writer.write(binascii.b2a_qp(chunk)) + else: + await self._writer.write(chunk) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload.py new file mode 100644 index 0000000..c63dd22 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload.py @@ -0,0 +1,448 @@ +import asyncio +import enum +import io +import json +import mimetypes +import os +import warnings +from abc import ABC, abstractmethod +from itertools import chain +from typing import ( + IO, + TYPE_CHECKING, + Any, + ByteString, + Dict, + Iterable, + Optional, + Text, + TextIO, + Tuple, + Type, + Union, +) + +from multidict import CIMultiDict + +from . import hdrs +from .abc import AbstractStreamWriter +from .helpers import ( + PY_36, + content_disposition_header, + guess_filename, + parse_mimetype, + sentinel, +) +from .streams import StreamReader +from .typedefs import JSONEncoder, _CIMultiDict + +__all__ = ( + "PAYLOAD_REGISTRY", + "get_payload", + "payload_type", + "Payload", + "BytesPayload", + "StringPayload", + "IOBasePayload", + "BytesIOPayload", + "BufferedReaderPayload", + "TextIOPayload", + "StringIOPayload", + "JsonPayload", + "AsyncIterablePayload", +) + +TOO_LARGE_BYTES_BODY = 2 ** 20 # 1 MB + + +if TYPE_CHECKING: # pragma: no cover + from typing import List + + +class LookupError(Exception): + pass + + +class Order(str, enum.Enum): + normal = "normal" + try_first = "try_first" + try_last = "try_last" + + +def get_payload(data: Any, *args: Any, **kwargs: Any) -> "Payload": + return PAYLOAD_REGISTRY.get(data, *args, **kwargs) + + +def register_payload( + factory: Type["Payload"], type: Any, *, order: Order = Order.normal +) -> None: + PAYLOAD_REGISTRY.register(factory, type, order=order) + + +class payload_type: + def __init__(self, type: Any, *, order: Order = Order.normal) -> None: + self.type = type + self.order = order + + def __call__(self, factory: Type["Payload"]) -> Type["Payload"]: + register_payload(factory, self.type, order=self.order) + return factory + + +class PayloadRegistry: + """Payload registry. + + note: we need zope.interface for more efficient adapter search + """ + + def __init__(self) -> None: + self._first = [] # type: List[Tuple[Type[Payload], Any]] + self._normal = [] # type: List[Tuple[Type[Payload], Any]] + self._last = [] # type: List[Tuple[Type[Payload], Any]] + + def get( + self, data: Any, *args: Any, _CHAIN: Any = chain, **kwargs: Any + ) -> "Payload": + if isinstance(data, Payload): + return data + for factory, type in _CHAIN(self._first, self._normal, self._last): + if isinstance(data, type): + return factory(data, *args, **kwargs) + + raise LookupError() + + def register( + self, factory: Type["Payload"], type: Any, *, order: Order = Order.normal + ) -> None: + if order is Order.try_first: + self._first.append((factory, type)) + elif order is Order.normal: + self._normal.append((factory, type)) + elif order is Order.try_last: + self._last.append((factory, type)) + else: + raise ValueError(f"Unsupported order {order!r}") + + +class Payload(ABC): + + _default_content_type = "application/octet-stream" # type: str + _size = None # type: Optional[int] + + def __init__( + self, + value: Any, + headers: Optional[ + Union[_CIMultiDict, Dict[str, str], Iterable[Tuple[str, str]]] + ] = None, + content_type: Optional[str] = sentinel, + filename: Optional[str] = None, + encoding: Optional[str] = None, + **kwargs: Any, + ) -> None: + self._encoding = encoding + self._filename = filename + self._headers = CIMultiDict() # type: _CIMultiDict + self._value = value + if content_type is not sentinel and content_type is not None: + self._headers[hdrs.CONTENT_TYPE] = content_type + elif self._filename is not None: + content_type = mimetypes.guess_type(self._filename)[0] + if content_type is None: + content_type = self._default_content_type + self._headers[hdrs.CONTENT_TYPE] = content_type + else: + self._headers[hdrs.CONTENT_TYPE] = self._default_content_type + self._headers.update(headers or {}) + + @property + def size(self) -> Optional[int]: + """Size of the payload.""" + return self._size + + @property + def filename(self) -> Optional[str]: + """Filename of the payload.""" + return self._filename + + @property + def headers(self) -> _CIMultiDict: + """Custom item headers""" + return self._headers + + @property + def _binary_headers(self) -> bytes: + return ( + "".join([k + ": " + v + "\r\n" for k, v in self.headers.items()]).encode( + "utf-8" + ) + + b"\r\n" + ) + + @property + def encoding(self) -> Optional[str]: + """Payload encoding""" + return self._encoding + + @property + def content_type(self) -> str: + """Content type""" + return self._headers[hdrs.CONTENT_TYPE] + + def set_content_disposition( + self, disptype: str, quote_fields: bool = True, **params: Any + ) -> None: + """Sets ``Content-Disposition`` header.""" + self._headers[hdrs.CONTENT_DISPOSITION] = content_disposition_header( + disptype, quote_fields=quote_fields, **params + ) + + @abstractmethod + async def write(self, writer: AbstractStreamWriter) -> None: + """Write payload. + + writer is an AbstractStreamWriter instance: + """ + + +class BytesPayload(Payload): + def __init__(self, value: ByteString, *args: Any, **kwargs: Any) -> None: + if not isinstance(value, (bytes, bytearray, memoryview)): + raise TypeError( + "value argument must be byte-ish, not {!r}".format(type(value)) + ) + + if "content_type" not in kwargs: + kwargs["content_type"] = "application/octet-stream" + + super().__init__(value, *args, **kwargs) + + if isinstance(value, memoryview): + self._size = value.nbytes + else: + self._size = len(value) + + if self._size > TOO_LARGE_BYTES_BODY: + if PY_36: + kwargs = {"source": self} + else: + kwargs = {} + warnings.warn( + "Sending a large body directly with raw bytes might" + " lock the event loop. You should probably pass an " + "io.BytesIO object instead", + ResourceWarning, + **kwargs, + ) + + async def write(self, writer: AbstractStreamWriter) -> None: + await writer.write(self._value) + + +class StringPayload(BytesPayload): + def __init__( + self, + value: Text, + *args: Any, + encoding: Optional[str] = None, + content_type: Optional[str] = None, + **kwargs: Any, + ) -> None: + + if encoding is None: + if content_type is None: + real_encoding = "utf-8" + content_type = "text/plain; charset=utf-8" + else: + mimetype = parse_mimetype(content_type) + real_encoding = mimetype.parameters.get("charset", "utf-8") + else: + if content_type is None: + content_type = "text/plain; charset=%s" % encoding + real_encoding = encoding + + super().__init__( + value.encode(real_encoding), + encoding=real_encoding, + content_type=content_type, + *args, + **kwargs, + ) + + +class StringIOPayload(StringPayload): + def __init__(self, value: IO[str], *args: Any, **kwargs: Any) -> None: + super().__init__(value.read(), *args, **kwargs) + + +class IOBasePayload(Payload): + def __init__( + self, value: IO[Any], disposition: str = "attachment", *args: Any, **kwargs: Any + ) -> None: + if "filename" not in kwargs: + kwargs["filename"] = guess_filename(value) + + super().__init__(value, *args, **kwargs) + + if self._filename is not None and disposition is not None: + if hdrs.CONTENT_DISPOSITION not in self.headers: + self.set_content_disposition(disposition, filename=self._filename) + + async def write(self, writer: AbstractStreamWriter) -> None: + loop = asyncio.get_event_loop() + try: + chunk = await loop.run_in_executor(None, self._value.read, 2 ** 16) + while chunk: + await writer.write(chunk) + chunk = await loop.run_in_executor(None, self._value.read, 2 ** 16) + finally: + await loop.run_in_executor(None, self._value.close) + + +class TextIOPayload(IOBasePayload): + def __init__( + self, + value: TextIO, + *args: Any, + encoding: Optional[str] = None, + content_type: Optional[str] = None, + **kwargs: Any, + ) -> None: + + if encoding is None: + if content_type is None: + encoding = "utf-8" + content_type = "text/plain; charset=utf-8" + else: + mimetype = parse_mimetype(content_type) + encoding = mimetype.parameters.get("charset", "utf-8") + else: + if content_type is None: + content_type = "text/plain; charset=%s" % encoding + + super().__init__( + value, + content_type=content_type, + encoding=encoding, + *args, + **kwargs, + ) + + @property + def size(self) -> Optional[int]: + try: + return os.fstat(self._value.fileno()).st_size - self._value.tell() + except OSError: + return None + + async def write(self, writer: AbstractStreamWriter) -> None: + loop = asyncio.get_event_loop() + try: + chunk = await loop.run_in_executor(None, self._value.read, 2 ** 16) + while chunk: + await writer.write(chunk.encode(self._encoding)) + chunk = await loop.run_in_executor(None, self._value.read, 2 ** 16) + finally: + await loop.run_in_executor(None, self._value.close) + + +class BytesIOPayload(IOBasePayload): + @property + def size(self) -> int: + position = self._value.tell() + end = self._value.seek(0, os.SEEK_END) + self._value.seek(position) + return end - position + + +class BufferedReaderPayload(IOBasePayload): + @property + def size(self) -> Optional[int]: + try: + return os.fstat(self._value.fileno()).st_size - self._value.tell() + except OSError: + # data.fileno() is not supported, e.g. + # io.BufferedReader(io.BytesIO(b'data')) + return None + + +class JsonPayload(BytesPayload): + def __init__( + self, + value: Any, + encoding: str = "utf-8", + content_type: str = "application/json", + dumps: JSONEncoder = json.dumps, + *args: Any, + **kwargs: Any, + ) -> None: + + super().__init__( + dumps(value).encode(encoding), + content_type=content_type, + encoding=encoding, + *args, + **kwargs, + ) + + +if TYPE_CHECKING: # pragma: no cover + from typing import AsyncIterable, AsyncIterator + + _AsyncIterator = AsyncIterator[bytes] + _AsyncIterable = AsyncIterable[bytes] +else: + from collections.abc import AsyncIterable, AsyncIterator + + _AsyncIterator = AsyncIterator + _AsyncIterable = AsyncIterable + + +class AsyncIterablePayload(Payload): + + _iter = None # type: Optional[_AsyncIterator] + + def __init__(self, value: _AsyncIterable, *args: Any, **kwargs: Any) -> None: + if not isinstance(value, AsyncIterable): + raise TypeError( + "value argument must support " + "collections.abc.AsyncIterablebe interface, " + "got {!r}".format(type(value)) + ) + + if "content_type" not in kwargs: + kwargs["content_type"] = "application/octet-stream" + + super().__init__(value, *args, **kwargs) + + self._iter = value.__aiter__() + + async def write(self, writer: AbstractStreamWriter) -> None: + if self._iter: + try: + # iter is not None check prevents rare cases + # when the case iterable is used twice + while True: + chunk = await self._iter.__anext__() + await writer.write(chunk) + except StopAsyncIteration: + self._iter = None + + +class StreamReaderPayload(AsyncIterablePayload): + def __init__(self, value: StreamReader, *args: Any, **kwargs: Any) -> None: + super().__init__(value.iter_any(), *args, **kwargs) + + +PAYLOAD_REGISTRY = PayloadRegistry() +PAYLOAD_REGISTRY.register(BytesPayload, (bytes, bytearray, memoryview)) +PAYLOAD_REGISTRY.register(StringPayload, str) +PAYLOAD_REGISTRY.register(StringIOPayload, io.StringIO) +PAYLOAD_REGISTRY.register(TextIOPayload, io.TextIOBase) +PAYLOAD_REGISTRY.register(BytesIOPayload, io.BytesIO) +PAYLOAD_REGISTRY.register(BufferedReaderPayload, (io.BufferedReader, io.BufferedRandom)) +PAYLOAD_REGISTRY.register(IOBasePayload, io.IOBase) +PAYLOAD_REGISTRY.register(StreamReaderPayload, StreamReader) +# try_last for giving a chance to more specialized async interables like +# multidict.BodyPartReaderPayload override the default +PAYLOAD_REGISTRY.register(AsyncIterablePayload, AsyncIterable, order=Order.try_last) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload_streamer.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload_streamer.py new file mode 100644 index 0000000..3b2de15 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/payload_streamer.py @@ -0,0 +1,74 @@ +""" Payload implemenation for coroutines as data provider. + +As a simple case, you can upload data from file:: + + @aiohttp.streamer + async def file_sender(writer, file_name=None): + with open(file_name, 'rb') as f: + chunk = f.read(2**16) + while chunk: + await writer.write(chunk) + + chunk = f.read(2**16) + +Then you can use `file_sender` like this: + + async with session.post('http://httpbin.org/post', + data=file_sender(file_name='huge_file')) as resp: + print(await resp.text()) + +..note:: Coroutine must accept `writer` as first argument + +""" + +import types +import warnings +from typing import Any, Awaitable, Callable, Dict, Tuple + +from .abc import AbstractStreamWriter +from .payload import Payload, payload_type + +__all__ = ("streamer",) + + +class _stream_wrapper: + def __init__( + self, + coro: Callable[..., Awaitable[None]], + args: Tuple[Any, ...], + kwargs: Dict[str, Any], + ) -> None: + self.coro = types.coroutine(coro) + self.args = args + self.kwargs = kwargs + + async def __call__(self, writer: AbstractStreamWriter) -> None: + await self.coro(writer, *self.args, **self.kwargs) # type: ignore + + +class streamer: + def __init__(self, coro: Callable[..., Awaitable[None]]) -> None: + warnings.warn( + "@streamer is deprecated, use async generators instead", + DeprecationWarning, + stacklevel=2, + ) + self.coro = coro + + def __call__(self, *args: Any, **kwargs: Any) -> _stream_wrapper: + return _stream_wrapper(self.coro, args, kwargs) + + +@payload_type(_stream_wrapper) +class StreamWrapperPayload(Payload): + async def write(self, writer: AbstractStreamWriter) -> None: + await self._value(writer) + + +@payload_type(streamer) +class StreamPayload(StreamWrapperPayload): + def __init__(self, value: Any, *args: Any, **kwargs: Any) -> None: + super().__init__(value(), *args, **kwargs) + + async def write(self, writer: AbstractStreamWriter) -> None: + await self._value(writer) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/py.typed b/backend/mb-env/lib/python3.9/site-packages/aiohttp/py.typed new file mode 100644 index 0000000..f5642f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/py.typed @@ -0,0 +1 @@ +Marker diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/pytest_plugin.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/pytest_plugin.py new file mode 100644 index 0000000..5204293 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/pytest_plugin.py @@ -0,0 +1,380 @@ +import asyncio +import contextlib +import warnings +from collections.abc import Callable + +import pytest + +from aiohttp.helpers import PY_37, isasyncgenfunction +from aiohttp.web import Application + +from .test_utils import ( + BaseTestServer, + RawTestServer, + TestClient, + TestServer, + loop_context, + setup_test_loop, + teardown_test_loop, + unused_port as _unused_port, +) + +try: + import uvloop +except ImportError: # pragma: no cover + uvloop = None + +try: + import tokio +except ImportError: # pragma: no cover + tokio = None + + +def pytest_addoption(parser): # type: ignore + parser.addoption( + "--aiohttp-fast", + action="store_true", + default=False, + help="run tests faster by disabling extra checks", + ) + parser.addoption( + "--aiohttp-loop", + action="store", + default="pyloop", + help="run tests with specific loop: pyloop, uvloop, tokio or all", + ) + parser.addoption( + "--aiohttp-enable-loop-debug", + action="store_true", + default=False, + help="enable event loop debug mode", + ) + + +def pytest_fixture_setup(fixturedef): # type: ignore + """ + Allow fixtures to be coroutines. Run coroutine fixtures in an event loop. + """ + func = fixturedef.func + + if isasyncgenfunction(func): + # async generator fixture + is_async_gen = True + elif asyncio.iscoroutinefunction(func): + # regular async fixture + is_async_gen = False + else: + # not an async fixture, nothing to do + return + + strip_request = False + if "request" not in fixturedef.argnames: + fixturedef.argnames += ("request",) + strip_request = True + + def wrapper(*args, **kwargs): # type: ignore + request = kwargs["request"] + if strip_request: + del kwargs["request"] + + # if neither the fixture nor the test use the 'loop' fixture, + # 'getfixturevalue' will fail because the test is not parameterized + # (this can be removed someday if 'loop' is no longer parameterized) + if "loop" not in request.fixturenames: + raise Exception( + "Asynchronous fixtures must depend on the 'loop' fixture or " + "be used in tests depending from it." + ) + + _loop = request.getfixturevalue("loop") + + if is_async_gen: + # for async generators, we need to advance the generator once, + # then advance it again in a finalizer + gen = func(*args, **kwargs) + + def finalizer(): # type: ignore + try: + return _loop.run_until_complete(gen.__anext__()) + except StopAsyncIteration: + pass + + request.addfinalizer(finalizer) + return _loop.run_until_complete(gen.__anext__()) + else: + return _loop.run_until_complete(func(*args, **kwargs)) + + fixturedef.func = wrapper + + +@pytest.fixture +def fast(request): # type: ignore + """--fast config option""" + return request.config.getoption("--aiohttp-fast") + + +@pytest.fixture +def loop_debug(request): # type: ignore + """--enable-loop-debug config option""" + return request.config.getoption("--aiohttp-enable-loop-debug") + + +@contextlib.contextmanager +def _runtime_warning_context(): # type: ignore + """ + Context manager which checks for RuntimeWarnings, specifically to + avoid "coroutine 'X' was never awaited" warnings being missed. + + If RuntimeWarnings occur in the context a RuntimeError is raised. + """ + with warnings.catch_warnings(record=True) as _warnings: + yield + rw = [ + "{w.filename}:{w.lineno}:{w.message}".format(w=w) + for w in _warnings + if w.category == RuntimeWarning + ] + if rw: + raise RuntimeError( + "{} Runtime Warning{},\n{}".format( + len(rw), "" if len(rw) == 1 else "s", "\n".join(rw) + ) + ) + + +@contextlib.contextmanager +def _passthrough_loop_context(loop, fast=False): # type: ignore + """ + setups and tears down a loop unless one is passed in via the loop + argument when it's passed straight through. + """ + if loop: + # loop already exists, pass it straight through + yield loop + else: + # this shadows loop_context's standard behavior + loop = setup_test_loop() + yield loop + teardown_test_loop(loop, fast=fast) + + +def pytest_pycollect_makeitem(collector, name, obj): # type: ignore + """ + Fix pytest collecting for coroutines. + """ + if collector.funcnamefilter(name) and asyncio.iscoroutinefunction(obj): + return list(collector._genfunctions(name, obj)) + + +def pytest_pyfunc_call(pyfuncitem): # type: ignore + """ + Run coroutines in an event loop instead of a normal function call. + """ + fast = pyfuncitem.config.getoption("--aiohttp-fast") + if asyncio.iscoroutinefunction(pyfuncitem.function): + existing_loop = pyfuncitem.funcargs.get( + "proactor_loop" + ) or pyfuncitem.funcargs.get("loop", None) + with _runtime_warning_context(): + with _passthrough_loop_context(existing_loop, fast=fast) as _loop: + testargs = { + arg: pyfuncitem.funcargs[arg] + for arg in pyfuncitem._fixtureinfo.argnames + } + _loop.run_until_complete(pyfuncitem.obj(**testargs)) + + return True + + +def pytest_generate_tests(metafunc): # type: ignore + if "loop_factory" not in metafunc.fixturenames: + return + + loops = metafunc.config.option.aiohttp_loop + avail_factories = {"pyloop": asyncio.DefaultEventLoopPolicy} + + if uvloop is not None: # pragma: no cover + avail_factories["uvloop"] = uvloop.EventLoopPolicy + + if tokio is not None: # pragma: no cover + avail_factories["tokio"] = tokio.EventLoopPolicy + + if loops == "all": + loops = "pyloop,uvloop?,tokio?" + + factories = {} # type: ignore + for name in loops.split(","): + required = not name.endswith("?") + name = name.strip(" ?") + if name not in avail_factories: # pragma: no cover + if required: + raise ValueError( + "Unknown loop '%s', available loops: %s" + % (name, list(factories.keys())) + ) + else: + continue + factories[name] = avail_factories[name] + metafunc.parametrize( + "loop_factory", list(factories.values()), ids=list(factories.keys()) + ) + + +@pytest.fixture +def loop(loop_factory, fast, loop_debug): # type: ignore + """Return an instance of the event loop.""" + policy = loop_factory() + asyncio.set_event_loop_policy(policy) + with loop_context(fast=fast) as _loop: + if loop_debug: + _loop.set_debug(True) # pragma: no cover + asyncio.set_event_loop(_loop) + yield _loop + + +@pytest.fixture +def proactor_loop(): # type: ignore + if not PY_37: + policy = asyncio.get_event_loop_policy() + policy._loop_factory = asyncio.ProactorEventLoop # type: ignore + else: + policy = asyncio.WindowsProactorEventLoopPolicy() # type: ignore + asyncio.set_event_loop_policy(policy) + + with loop_context(policy.new_event_loop) as _loop: + asyncio.set_event_loop(_loop) + yield _loop + + +@pytest.fixture +def unused_port(aiohttp_unused_port): # type: ignore # pragma: no cover + warnings.warn( + "Deprecated, use aiohttp_unused_port fixture instead", + DeprecationWarning, + stacklevel=2, + ) + return aiohttp_unused_port + + +@pytest.fixture +def aiohttp_unused_port(): # type: ignore + """Return a port that is unused on the current host.""" + return _unused_port + + +@pytest.fixture +def aiohttp_server(loop): # type: ignore + """Factory to create a TestServer instance, given an app. + + aiohttp_server(app, **kwargs) + """ + servers = [] + + async def go(app, *, port=None, **kwargs): # type: ignore + server = TestServer(app, port=port) + await server.start_server(loop=loop, **kwargs) + servers.append(server) + return server + + yield go + + async def finalize(): # type: ignore + while servers: + await servers.pop().close() + + loop.run_until_complete(finalize()) + + +@pytest.fixture +def test_server(aiohttp_server): # type: ignore # pragma: no cover + warnings.warn( + "Deprecated, use aiohttp_server fixture instead", + DeprecationWarning, + stacklevel=2, + ) + return aiohttp_server + + +@pytest.fixture +def aiohttp_raw_server(loop): # type: ignore + """Factory to create a RawTestServer instance, given a web handler. + + aiohttp_raw_server(handler, **kwargs) + """ + servers = [] + + async def go(handler, *, port=None, **kwargs): # type: ignore + server = RawTestServer(handler, port=port) + await server.start_server(loop=loop, **kwargs) + servers.append(server) + return server + + yield go + + async def finalize(): # type: ignore + while servers: + await servers.pop().close() + + loop.run_until_complete(finalize()) + + +@pytest.fixture +def raw_test_server(aiohttp_raw_server): # type: ignore # pragma: no cover + warnings.warn( + "Deprecated, use aiohttp_raw_server fixture instead", + DeprecationWarning, + stacklevel=2, + ) + return aiohttp_raw_server + + +@pytest.fixture +def aiohttp_client(loop): # type: ignore + """Factory to create a TestClient instance. + + aiohttp_client(app, **kwargs) + aiohttp_client(server, **kwargs) + aiohttp_client(raw_server, **kwargs) + """ + clients = [] + + async def go(__param, *args, server_kwargs=None, **kwargs): # type: ignore + + if isinstance(__param, Callable) and not isinstance( # type: ignore + __param, (Application, BaseTestServer) + ): + __param = __param(loop, *args, **kwargs) + kwargs = {} + else: + assert not args, "args should be empty" + + if isinstance(__param, Application): + server_kwargs = server_kwargs or {} + server = TestServer(__param, loop=loop, **server_kwargs) + client = TestClient(server, loop=loop, **kwargs) + elif isinstance(__param, BaseTestServer): + client = TestClient(__param, loop=loop, **kwargs) + else: + raise ValueError("Unknown argument type: %r" % type(__param)) + + await client.start_server() + clients.append(client) + return client + + yield go + + async def finalize(): # type: ignore + while clients: + await clients.pop().close() + + loop.run_until_complete(finalize()) + + +@pytest.fixture +def test_client(aiohttp_client): # type: ignore # pragma: no cover + warnings.warn( + "Deprecated, use aiohttp_client fixture instead", + DeprecationWarning, + stacklevel=2, + ) + return aiohttp_client diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/resolver.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/resolver.py new file mode 100644 index 0000000..2974bca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/resolver.py @@ -0,0 +1,149 @@ +import asyncio +import socket +from typing import Any, Dict, List, Optional + +from .abc import AbstractResolver +from .helpers import get_running_loop + +__all__ = ("ThreadedResolver", "AsyncResolver", "DefaultResolver") + +try: + import aiodns + + # aiodns_default = hasattr(aiodns.DNSResolver, 'gethostbyname') +except ImportError: # pragma: no cover + aiodns = None + +aiodns_default = False + + +class ThreadedResolver(AbstractResolver): + """Use Executor for synchronous getaddrinfo() calls, which defaults to + concurrent.futures.ThreadPoolExecutor. + """ + + def __init__(self, loop: Optional[asyncio.AbstractEventLoop] = None) -> None: + self._loop = get_running_loop(loop) + + async def resolve( + self, hostname: str, port: int = 0, family: int = socket.AF_INET + ) -> List[Dict[str, Any]]: + infos = await self._loop.getaddrinfo( + hostname, + port, + type=socket.SOCK_STREAM, + family=family, + flags=socket.AI_ADDRCONFIG, + ) + + hosts = [] + for family, _, proto, _, address in infos: + if family == socket.AF_INET6 and address[3]: # type: ignore + # This is essential for link-local IPv6 addresses. + # LL IPv6 is a VERY rare case. Strictly speaking, we should use + # getnameinfo() unconditionally, but performance makes sense. + host, _port = socket.getnameinfo( + address, socket.NI_NUMERICHOST | socket.NI_NUMERICSERV + ) + port = int(_port) + else: + host, port = address[:2] + hosts.append( + { + "hostname": hostname, + "host": host, + "port": port, + "family": family, + "proto": proto, + "flags": socket.AI_NUMERICHOST | socket.AI_NUMERICSERV, + } + ) + + return hosts + + async def close(self) -> None: + pass + + +class AsyncResolver(AbstractResolver): + """Use the `aiodns` package to make asynchronous DNS lookups""" + + def __init__( + self, + loop: Optional[asyncio.AbstractEventLoop] = None, + *args: Any, + **kwargs: Any + ) -> None: + if aiodns is None: + raise RuntimeError("Resolver requires aiodns library") + + self._loop = get_running_loop(loop) + self._resolver = aiodns.DNSResolver(*args, loop=loop, **kwargs) + + if not hasattr(self._resolver, "gethostbyname"): + # aiodns 1.1 is not available, fallback to DNSResolver.query + self.resolve = self._resolve_with_query # type: ignore + + async def resolve( + self, host: str, port: int = 0, family: int = socket.AF_INET + ) -> List[Dict[str, Any]]: + try: + resp = await self._resolver.gethostbyname(host, family) + except aiodns.error.DNSError as exc: + msg = exc.args[1] if len(exc.args) >= 1 else "DNS lookup failed" + raise OSError(msg) from exc + hosts = [] + for address in resp.addresses: + hosts.append( + { + "hostname": host, + "host": address, + "port": port, + "family": family, + "proto": 0, + "flags": socket.AI_NUMERICHOST | socket.AI_NUMERICSERV, + } + ) + + if not hosts: + raise OSError("DNS lookup failed") + + return hosts + + async def _resolve_with_query( + self, host: str, port: int = 0, family: int = socket.AF_INET + ) -> List[Dict[str, Any]]: + if family == socket.AF_INET6: + qtype = "AAAA" + else: + qtype = "A" + + try: + resp = await self._resolver.query(host, qtype) + except aiodns.error.DNSError as exc: + msg = exc.args[1] if len(exc.args) >= 1 else "DNS lookup failed" + raise OSError(msg) from exc + + hosts = [] + for rr in resp: + hosts.append( + { + "hostname": host, + "host": rr.host, + "port": port, + "family": family, + "proto": 0, + "flags": socket.AI_NUMERICHOST, + } + ) + + if not hosts: + raise OSError("DNS lookup failed") + + return hosts + + async def close(self) -> None: + return self._resolver.cancel() + + +DefaultResolver = AsyncResolver if aiodns_default else ThreadedResolver diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.py new file mode 100644 index 0000000..d406c02 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.py @@ -0,0 +1,34 @@ +from aiohttp.frozenlist import FrozenList + +__all__ = ("Signal",) + + +class Signal(FrozenList): + """Coroutine-based signal implementation. + + To connect a callback to a signal, use any list method. + + Signals are fired using the send() coroutine, which takes named + arguments. + """ + + __slots__ = ("_owner",) + + def __init__(self, owner): + super().__init__() + self._owner = owner + + def __repr__(self): + return "".format( + self._owner, self.frozen, list(self) + ) + + async def send(self, *args, **kwargs): + """ + Sends data to all registered receivers. + """ + if not self.frozen: + raise RuntimeError("Cannot send non-frozen signal.") + + for receiver in self: + await receiver(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.pyi b/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.pyi new file mode 100644 index 0000000..455f8e2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/signals.pyi @@ -0,0 +1,12 @@ +from typing import Any, Generic, TypeVar + +from aiohttp.frozenlist import FrozenList + +__all__ = ("Signal",) + +_T = TypeVar("_T") + +class Signal(FrozenList[_T], Generic[_T]): + def __init__(self, owner: Any) -> None: ... + def __repr__(self) -> str: ... + async def send(self, *args: Any, **kwargs: Any) -> None: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/streams.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/streams.py new file mode 100644 index 0000000..42970b5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/streams.py @@ -0,0 +1,647 @@ +import asyncio +import collections +import warnings +from typing import Awaitable, Callable, Generic, List, Optional, Tuple, TypeVar + +from .base_protocol import BaseProtocol +from .helpers import BaseTimerContext, set_exception, set_result +from .log import internal_logger + +try: # pragma: no cover + from typing import Deque +except ImportError: + from typing_extensions import Deque + +__all__ = ( + "EMPTY_PAYLOAD", + "EofStream", + "StreamReader", + "DataQueue", + "FlowControlDataQueue", +) + +_T = TypeVar("_T") + + +class EofStream(Exception): + """eof stream indication.""" + + +class AsyncStreamIterator(Generic[_T]): + def __init__(self, read_func: Callable[[], Awaitable[_T]]) -> None: + self.read_func = read_func + + def __aiter__(self) -> "AsyncStreamIterator[_T]": + return self + + async def __anext__(self) -> _T: + try: + rv = await self.read_func() + except EofStream: + raise StopAsyncIteration + if rv == b"": + raise StopAsyncIteration + return rv + + +class ChunkTupleAsyncStreamIterator: + def __init__(self, stream: "StreamReader") -> None: + self._stream = stream + + def __aiter__(self) -> "ChunkTupleAsyncStreamIterator": + return self + + async def __anext__(self) -> Tuple[bytes, bool]: + rv = await self._stream.readchunk() + if rv == (b"", False): + raise StopAsyncIteration + return rv + + +class AsyncStreamReaderMixin: + def __aiter__(self) -> AsyncStreamIterator[bytes]: + return AsyncStreamIterator(self.readline) # type: ignore + + def iter_chunked(self, n: int) -> AsyncStreamIterator[bytes]: + """Returns an asynchronous iterator that yields chunks of size n. + + Python-3.5 available for Python 3.5+ only + """ + return AsyncStreamIterator(lambda: self.read(n)) # type: ignore + + def iter_any(self) -> AsyncStreamIterator[bytes]: + """Returns an asynchronous iterator that yields all the available + data as soon as it is received + + Python-3.5 available for Python 3.5+ only + """ + return AsyncStreamIterator(self.readany) # type: ignore + + def iter_chunks(self) -> ChunkTupleAsyncStreamIterator: + """Returns an asynchronous iterator that yields chunks of data + as they are received by the server. The yielded objects are tuples + of (bytes, bool) as returned by the StreamReader.readchunk method. + + Python-3.5 available for Python 3.5+ only + """ + return ChunkTupleAsyncStreamIterator(self) # type: ignore + + +class StreamReader(AsyncStreamReaderMixin): + """An enhancement of asyncio.StreamReader. + + Supports asynchronous iteration by line, chunk or as available:: + + async for line in reader: + ... + async for chunk in reader.iter_chunked(1024): + ... + async for slice in reader.iter_any(): + ... + + """ + + total_bytes = 0 + + def __init__( + self, + protocol: BaseProtocol, + limit: int, + *, + timer: Optional[BaseTimerContext] = None, + loop: Optional[asyncio.AbstractEventLoop] = None + ) -> None: + self._protocol = protocol + self._low_water = limit + self._high_water = limit * 2 + if loop is None: + loop = asyncio.get_event_loop() + self._loop = loop + self._size = 0 + self._cursor = 0 + self._http_chunk_splits = None # type: Optional[List[int]] + self._buffer = collections.deque() # type: Deque[bytes] + self._buffer_offset = 0 + self._eof = False + self._waiter = None # type: Optional[asyncio.Future[None]] + self._eof_waiter = None # type: Optional[asyncio.Future[None]] + self._exception = None # type: Optional[BaseException] + self._timer = timer + self._eof_callbacks = [] # type: List[Callable[[], None]] + + def __repr__(self) -> str: + info = [self.__class__.__name__] + if self._size: + info.append("%d bytes" % self._size) + if self._eof: + info.append("eof") + if self._low_water != 2 ** 16: # default limit + info.append("low=%d high=%d" % (self._low_water, self._high_water)) + if self._waiter: + info.append("w=%r" % self._waiter) + if self._exception: + info.append("e=%r" % self._exception) + return "<%s>" % " ".join(info) + + def get_read_buffer_limits(self) -> Tuple[int, int]: + return (self._low_water, self._high_water) + + def exception(self) -> Optional[BaseException]: + return self._exception + + def set_exception(self, exc: BaseException) -> None: + self._exception = exc + self._eof_callbacks.clear() + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_exception(waiter, exc) + + waiter = self._eof_waiter + if waiter is not None: + self._eof_waiter = None + set_exception(waiter, exc) + + def on_eof(self, callback: Callable[[], None]) -> None: + if self._eof: + try: + callback() + except Exception: + internal_logger.exception("Exception in eof callback") + else: + self._eof_callbacks.append(callback) + + def feed_eof(self) -> None: + self._eof = True + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_result(waiter, None) + + waiter = self._eof_waiter + if waiter is not None: + self._eof_waiter = None + set_result(waiter, None) + + for cb in self._eof_callbacks: + try: + cb() + except Exception: + internal_logger.exception("Exception in eof callback") + + self._eof_callbacks.clear() + + def is_eof(self) -> bool: + """Return True if 'feed_eof' was called.""" + return self._eof + + def at_eof(self) -> bool: + """Return True if the buffer is empty and 'feed_eof' was called.""" + return self._eof and not self._buffer + + async def wait_eof(self) -> None: + if self._eof: + return + + assert self._eof_waiter is None + self._eof_waiter = self._loop.create_future() + try: + await self._eof_waiter + finally: + self._eof_waiter = None + + def unread_data(self, data: bytes) -> None: + """rollback reading some data from stream, inserting it to buffer head.""" + warnings.warn( + "unread_data() is deprecated " + "and will be removed in future releases (#3260)", + DeprecationWarning, + stacklevel=2, + ) + if not data: + return + + if self._buffer_offset: + self._buffer[0] = self._buffer[0][self._buffer_offset :] + self._buffer_offset = 0 + self._size += len(data) + self._cursor -= len(data) + self._buffer.appendleft(data) + self._eof_counter = 0 + + # TODO: size is ignored, remove the param later + def feed_data(self, data: bytes, size: int = 0) -> None: + assert not self._eof, "feed_data after feed_eof" + + if not data: + return + + self._size += len(data) + self._buffer.append(data) + self.total_bytes += len(data) + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_result(waiter, None) + + if self._size > self._high_water and not self._protocol._reading_paused: + self._protocol.pause_reading() + + def begin_http_chunk_receiving(self) -> None: + if self._http_chunk_splits is None: + if self.total_bytes: + raise RuntimeError( + "Called begin_http_chunk_receiving when" "some data was already fed" + ) + self._http_chunk_splits = [] + + def end_http_chunk_receiving(self) -> None: + if self._http_chunk_splits is None: + raise RuntimeError( + "Called end_chunk_receiving without calling " + "begin_chunk_receiving first" + ) + + # self._http_chunk_splits contains logical byte offsets from start of + # the body transfer. Each offset is the offset of the end of a chunk. + # "Logical" means bytes, accessible for a user. + # If no chunks containig logical data were received, current position + # is difinitely zero. + pos = self._http_chunk_splits[-1] if self._http_chunk_splits else 0 + + if self.total_bytes == pos: + # We should not add empty chunks here. So we check for that. + # Note, when chunked + gzip is used, we can receive a chunk + # of compressed data, but that data may not be enough for gzip FSM + # to yield any uncompressed data. That's why current position may + # not change after receiving a chunk. + return + + self._http_chunk_splits.append(self.total_bytes) + + # wake up readchunk when end of http chunk received + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_result(waiter, None) + + async def _wait(self, func_name: str) -> None: + # StreamReader uses a future to link the protocol feed_data() method + # to a read coroutine. Running two read coroutines at the same time + # would have an unexpected behaviour. It would not possible to know + # which coroutine would get the next data. + if self._waiter is not None: + raise RuntimeError( + "%s() called while another coroutine is " + "already waiting for incoming data" % func_name + ) + + waiter = self._waiter = self._loop.create_future() + try: + if self._timer: + with self._timer: + await waiter + else: + await waiter + finally: + self._waiter = None + + async def readline(self) -> bytes: + if self._exception is not None: + raise self._exception + + line = [] + line_size = 0 + not_enough = True + + while not_enough: + while self._buffer and not_enough: + offset = self._buffer_offset + ichar = self._buffer[0].find(b"\n", offset) + 1 + # Read from current offset to found b'\n' or to the end. + data = self._read_nowait_chunk(ichar - offset if ichar else -1) + line.append(data) + line_size += len(data) + if ichar: + not_enough = False + + if line_size > self._high_water: + raise ValueError("Line is too long") + + if self._eof: + break + + if not_enough: + await self._wait("readline") + + return b"".join(line) + + async def read(self, n: int = -1) -> bytes: + if self._exception is not None: + raise self._exception + + # migration problem; with DataQueue you have to catch + # EofStream exception, so common way is to run payload.read() inside + # infinite loop. what can cause real infinite loop with StreamReader + # lets keep this code one major release. + if __debug__: + if self._eof and not self._buffer: + self._eof_counter = getattr(self, "_eof_counter", 0) + 1 + if self._eof_counter > 5: + internal_logger.warning( + "Multiple access to StreamReader in eof state, " + "might be infinite loop.", + stack_info=True, + ) + + if not n: + return b"" + + if n < 0: + # This used to just loop creating a new waiter hoping to + # collect everything in self._buffer, but that would + # deadlock if the subprocess sends more than self.limit + # bytes. So just call self.readany() until EOF. + blocks = [] + while True: + block = await self.readany() + if not block: + break + blocks.append(block) + return b"".join(blocks) + + # TODO: should be `if` instead of `while` + # because waiter maybe triggered on chunk end, + # without feeding any data + while not self._buffer and not self._eof: + await self._wait("read") + + return self._read_nowait(n) + + async def readany(self) -> bytes: + if self._exception is not None: + raise self._exception + + # TODO: should be `if` instead of `while` + # because waiter maybe triggered on chunk end, + # without feeding any data + while not self._buffer and not self._eof: + await self._wait("readany") + + return self._read_nowait(-1) + + async def readchunk(self) -> Tuple[bytes, bool]: + """Returns a tuple of (data, end_of_http_chunk). When chunked transfer + encoding is used, end_of_http_chunk is a boolean indicating if the end + of the data corresponds to the end of a HTTP chunk , otherwise it is + always False. + """ + while True: + if self._exception is not None: + raise self._exception + + while self._http_chunk_splits: + pos = self._http_chunk_splits.pop(0) + if pos == self._cursor: + return (b"", True) + if pos > self._cursor: + return (self._read_nowait(pos - self._cursor), True) + internal_logger.warning( + "Skipping HTTP chunk end due to data " + "consumption beyond chunk boundary" + ) + + if self._buffer: + return (self._read_nowait_chunk(-1), False) + # return (self._read_nowait(-1), False) + + if self._eof: + # Special case for signifying EOF. + # (b'', True) is not a final return value actually. + return (b"", False) + + await self._wait("readchunk") + + async def readexactly(self, n: int) -> bytes: + if self._exception is not None: + raise self._exception + + blocks = [] # type: List[bytes] + while n > 0: + block = await self.read(n) + if not block: + partial = b"".join(blocks) + raise asyncio.IncompleteReadError(partial, len(partial) + n) + blocks.append(block) + n -= len(block) + + return b"".join(blocks) + + def read_nowait(self, n: int = -1) -> bytes: + # default was changed to be consistent with .read(-1) + # + # I believe the most users don't know about the method and + # they are not affected. + if self._exception is not None: + raise self._exception + + if self._waiter and not self._waiter.done(): + raise RuntimeError( + "Called while some coroutine is waiting for incoming data." + ) + + return self._read_nowait(n) + + def _read_nowait_chunk(self, n: int) -> bytes: + first_buffer = self._buffer[0] + offset = self._buffer_offset + if n != -1 and len(first_buffer) - offset > n: + data = first_buffer[offset : offset + n] + self._buffer_offset += n + + elif offset: + self._buffer.popleft() + data = first_buffer[offset:] + self._buffer_offset = 0 + + else: + data = self._buffer.popleft() + + self._size -= len(data) + self._cursor += len(data) + + chunk_splits = self._http_chunk_splits + # Prevent memory leak: drop useless chunk splits + while chunk_splits and chunk_splits[0] < self._cursor: + chunk_splits.pop(0) + + if self._size < self._low_water and self._protocol._reading_paused: + self._protocol.resume_reading() + return data + + def _read_nowait(self, n: int) -> bytes: + """ Read not more than n bytes, or whole buffer if n == -1 """ + chunks = [] + + while self._buffer: + chunk = self._read_nowait_chunk(n) + chunks.append(chunk) + if n != -1: + n -= len(chunk) + if n == 0: + break + + return b"".join(chunks) if chunks else b"" + + +class EmptyStreamReader(AsyncStreamReaderMixin): + def exception(self) -> Optional[BaseException]: + return None + + def set_exception(self, exc: BaseException) -> None: + pass + + def on_eof(self, callback: Callable[[], None]) -> None: + try: + callback() + except Exception: + internal_logger.exception("Exception in eof callback") + + def feed_eof(self) -> None: + pass + + def is_eof(self) -> bool: + return True + + def at_eof(self) -> bool: + return True + + async def wait_eof(self) -> None: + return + + def feed_data(self, data: bytes, n: int = 0) -> None: + pass + + async def readline(self) -> bytes: + return b"" + + async def read(self, n: int = -1) -> bytes: + return b"" + + async def readany(self) -> bytes: + return b"" + + async def readchunk(self) -> Tuple[bytes, bool]: + return (b"", True) + + async def readexactly(self, n: int) -> bytes: + raise asyncio.IncompleteReadError(b"", n) + + def read_nowait(self) -> bytes: + return b"" + + +EMPTY_PAYLOAD = EmptyStreamReader() + + +class DataQueue(Generic[_T]): + """DataQueue is a general-purpose blocking queue with one reader.""" + + def __init__(self, loop: asyncio.AbstractEventLoop) -> None: + self._loop = loop + self._eof = False + self._waiter = None # type: Optional[asyncio.Future[None]] + self._exception = None # type: Optional[BaseException] + self._size = 0 + self._buffer = collections.deque() # type: Deque[Tuple[_T, int]] + + def __len__(self) -> int: + return len(self._buffer) + + def is_eof(self) -> bool: + return self._eof + + def at_eof(self) -> bool: + return self._eof and not self._buffer + + def exception(self) -> Optional[BaseException]: + return self._exception + + def set_exception(self, exc: BaseException) -> None: + self._eof = True + self._exception = exc + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_exception(waiter, exc) + + def feed_data(self, data: _T, size: int = 0) -> None: + self._size += size + self._buffer.append((data, size)) + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_result(waiter, None) + + def feed_eof(self) -> None: + self._eof = True + + waiter = self._waiter + if waiter is not None: + self._waiter = None + set_result(waiter, None) + + async def read(self) -> _T: + if not self._buffer and not self._eof: + assert not self._waiter + self._waiter = self._loop.create_future() + try: + await self._waiter + except (asyncio.CancelledError, asyncio.TimeoutError): + self._waiter = None + raise + + if self._buffer: + data, size = self._buffer.popleft() + self._size -= size + return data + else: + if self._exception is not None: + raise self._exception + else: + raise EofStream + + def __aiter__(self) -> AsyncStreamIterator[_T]: + return AsyncStreamIterator(self.read) + + +class FlowControlDataQueue(DataQueue[_T]): + """FlowControlDataQueue resumes and pauses an underlying stream. + + It is a destination for parsed data.""" + + def __init__( + self, protocol: BaseProtocol, limit: int, *, loop: asyncio.AbstractEventLoop + ) -> None: + super().__init__(loop=loop) + + self._protocol = protocol + self._limit = limit * 2 + + def feed_data(self, data: _T, size: int = 0) -> None: + super().feed_data(data, size) + + if self._size > self._limit and not self._protocol._reading_paused: + self._protocol.pause_reading() + + async def read(self) -> _T: + try: + return await super().read() + finally: + if self._size < self._limit and self._protocol._reading_paused: + self._protocol.resume_reading() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/tcp_helpers.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/tcp_helpers.py new file mode 100644 index 0000000..0e1dbf1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/tcp_helpers.py @@ -0,0 +1,38 @@ +"""Helper methods to tune a TCP connection""" + +import asyncio +import socket +from contextlib import suppress +from typing import Optional # noqa + +__all__ = ("tcp_keepalive", "tcp_nodelay") + + +if hasattr(socket, "SO_KEEPALIVE"): + + def tcp_keepalive(transport: asyncio.Transport) -> None: + sock = transport.get_extra_info("socket") + if sock is not None: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) + + +else: + + def tcp_keepalive(transport: asyncio.Transport) -> None: # pragma: no cover + pass + + +def tcp_nodelay(transport: asyncio.Transport, value: bool) -> None: + sock = transport.get_extra_info("socket") + + if sock is None: + return + + if sock.family not in (socket.AF_INET, socket.AF_INET6): + return + + value = bool(value) + + # socket may be closed already, on windows OSError get raised + with suppress(OSError): + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, value) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/test_utils.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/test_utils.py new file mode 100644 index 0000000..7a9ca7d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/test_utils.py @@ -0,0 +1,676 @@ +"""Utilities shared by tests.""" + +import asyncio +import contextlib +import functools +import gc +import inspect +import os +import socket +import sys +import unittest +from abc import ABC, abstractmethod +from types import TracebackType +from typing import TYPE_CHECKING, Any, Callable, Iterator, List, Optional, Type, Union +from unittest import mock + +from multidict import CIMultiDict, CIMultiDictProxy +from yarl import URL + +import aiohttp +from aiohttp.client import ( + ClientResponse, + _RequestContextManager, + _WSRequestContextManager, +) + +from . import ClientSession, hdrs +from .abc import AbstractCookieJar +from .client_reqrep import ClientResponse +from .client_ws import ClientWebSocketResponse +from .helpers import sentinel +from .http import HttpVersion, RawRequestMessage +from .signals import Signal +from .web import ( + Application, + AppRunner, + BaseRunner, + Request, + Server, + ServerRunner, + SockSite, + UrlMappingMatchInfo, +) +from .web_protocol import _RequestHandler + +if TYPE_CHECKING: # pragma: no cover + from ssl import SSLContext +else: + SSLContext = None + + +REUSE_ADDRESS = os.name == "posix" and sys.platform != "cygwin" + + +def get_unused_port_socket(host: str) -> socket.socket: + return get_port_socket(host, 0) + + +def get_port_socket(host: str, port: int) -> socket.socket: + s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) + if REUSE_ADDRESS: + # Windows has different semantics for SO_REUSEADDR, + # so don't set it. Ref: + # https://docs.microsoft.com/en-us/windows/win32/winsock/using-so-reuseaddr-and-so-exclusiveaddruse + s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + s.bind((host, port)) + return s + + +def unused_port() -> int: + """Return a port that is unused on the current host.""" + with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: + s.bind(("127.0.0.1", 0)) + return s.getsockname()[1] + + +class BaseTestServer(ABC): + __test__ = False + + def __init__( + self, + *, + scheme: Union[str, object] = sentinel, + loop: Optional[asyncio.AbstractEventLoop] = None, + host: str = "127.0.0.1", + port: Optional[int] = None, + skip_url_asserts: bool = False, + **kwargs: Any, + ) -> None: + self._loop = loop + self.runner = None # type: Optional[BaseRunner] + self._root = None # type: Optional[URL] + self.host = host + self.port = port + self._closed = False + self.scheme = scheme + self.skip_url_asserts = skip_url_asserts + + async def start_server( + self, loop: Optional[asyncio.AbstractEventLoop] = None, **kwargs: Any + ) -> None: + if self.runner: + return + self._loop = loop + self._ssl = kwargs.pop("ssl", None) + self.runner = await self._make_runner(**kwargs) + await self.runner.setup() + if not self.port: + self.port = 0 + _sock = get_port_socket(self.host, self.port) + self.host, self.port = _sock.getsockname()[:2] + site = SockSite(self.runner, sock=_sock, ssl_context=self._ssl) + await site.start() + server = site._server + assert server is not None + sockets = server.sockets + assert sockets is not None + self.port = sockets[0].getsockname()[1] + if self.scheme is sentinel: + if self._ssl: + scheme = "https" + else: + scheme = "http" + self.scheme = scheme + self._root = URL(f"{self.scheme}://{self.host}:{self.port}") + + @abstractmethod # pragma: no cover + async def _make_runner(self, **kwargs: Any) -> BaseRunner: + pass + + def make_url(self, path: str) -> URL: + assert self._root is not None + url = URL(path) + if not self.skip_url_asserts: + assert not url.is_absolute() + return self._root.join(url) + else: + return URL(str(self._root) + path) + + @property + def started(self) -> bool: + return self.runner is not None + + @property + def closed(self) -> bool: + return self._closed + + @property + def handler(self) -> Server: + # for backward compatibility + # web.Server instance + runner = self.runner + assert runner is not None + assert runner.server is not None + return runner.server + + async def close(self) -> None: + """Close all fixtures created by the test client. + + After that point, the TestClient is no longer usable. + + This is an idempotent function: running close multiple times + will not have any additional effects. + + close is also run when the object is garbage collected, and on + exit when used as a context manager. + + """ + if self.started and not self.closed: + assert self.runner is not None + await self.runner.cleanup() + self._root = None + self.port = None + self._closed = True + + def __enter__(self) -> None: + raise TypeError("Use async with instead") + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc_value: Optional[BaseException], + traceback: Optional[TracebackType], + ) -> None: + # __exit__ should exist in pair with __enter__ but never executed + pass # pragma: no cover + + async def __aenter__(self) -> "BaseTestServer": + await self.start_server(loop=self._loop) + return self + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc_value: Optional[BaseException], + traceback: Optional[TracebackType], + ) -> None: + await self.close() + + +class TestServer(BaseTestServer): + def __init__( + self, + app: Application, + *, + scheme: Union[str, object] = sentinel, + host: str = "127.0.0.1", + port: Optional[int] = None, + **kwargs: Any, + ): + self.app = app + super().__init__(scheme=scheme, host=host, port=port, **kwargs) + + async def _make_runner(self, **kwargs: Any) -> BaseRunner: + return AppRunner(self.app, **kwargs) + + +class RawTestServer(BaseTestServer): + def __init__( + self, + handler: _RequestHandler, + *, + scheme: Union[str, object] = sentinel, + host: str = "127.0.0.1", + port: Optional[int] = None, + **kwargs: Any, + ) -> None: + self._handler = handler + super().__init__(scheme=scheme, host=host, port=port, **kwargs) + + async def _make_runner(self, debug: bool = True, **kwargs: Any) -> ServerRunner: + srv = Server(self._handler, loop=self._loop, debug=debug, **kwargs) + return ServerRunner(srv, debug=debug, **kwargs) + + +class TestClient: + """ + A test client implementation. + + To write functional tests for aiohttp based servers. + + """ + + __test__ = False + + def __init__( + self, + server: BaseTestServer, + *, + cookie_jar: Optional[AbstractCookieJar] = None, + loop: Optional[asyncio.AbstractEventLoop] = None, + **kwargs: Any, + ) -> None: + if not isinstance(server, BaseTestServer): + raise TypeError( + "server must be TestServer " "instance, found type: %r" % type(server) + ) + self._server = server + self._loop = loop + if cookie_jar is None: + cookie_jar = aiohttp.CookieJar(unsafe=True, loop=loop) + self._session = ClientSession(loop=loop, cookie_jar=cookie_jar, **kwargs) + self._closed = False + self._responses = [] # type: List[ClientResponse] + self._websockets = [] # type: List[ClientWebSocketResponse] + + async def start_server(self) -> None: + await self._server.start_server(loop=self._loop) + + @property + def host(self) -> str: + return self._server.host + + @property + def port(self) -> Optional[int]: + return self._server.port + + @property + def server(self) -> BaseTestServer: + return self._server + + @property + def app(self) -> Application: + return getattr(self._server, "app", None) + + @property + def session(self) -> ClientSession: + """An internal aiohttp.ClientSession. + + Unlike the methods on the TestClient, client session requests + do not automatically include the host in the url queried, and + will require an absolute path to the resource. + + """ + return self._session + + def make_url(self, path: str) -> URL: + return self._server.make_url(path) + + async def _request(self, method: str, path: str, **kwargs: Any) -> ClientResponse: + resp = await self._session.request(method, self.make_url(path), **kwargs) + # save it to close later + self._responses.append(resp) + return resp + + def request(self, method: str, path: str, **kwargs: Any) -> _RequestContextManager: + """Routes a request to tested http server. + + The interface is identical to aiohttp.ClientSession.request, + except the loop kwarg is overridden by the instance used by the + test server. + + """ + return _RequestContextManager(self._request(method, path, **kwargs)) + + def get(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP GET request.""" + return _RequestContextManager(self._request(hdrs.METH_GET, path, **kwargs)) + + def post(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP POST request.""" + return _RequestContextManager(self._request(hdrs.METH_POST, path, **kwargs)) + + def options(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP OPTIONS request.""" + return _RequestContextManager(self._request(hdrs.METH_OPTIONS, path, **kwargs)) + + def head(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP HEAD request.""" + return _RequestContextManager(self._request(hdrs.METH_HEAD, path, **kwargs)) + + def put(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP PUT request.""" + return _RequestContextManager(self._request(hdrs.METH_PUT, path, **kwargs)) + + def patch(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP PATCH request.""" + return _RequestContextManager(self._request(hdrs.METH_PATCH, path, **kwargs)) + + def delete(self, path: str, **kwargs: Any) -> _RequestContextManager: + """Perform an HTTP PATCH request.""" + return _RequestContextManager(self._request(hdrs.METH_DELETE, path, **kwargs)) + + def ws_connect(self, path: str, **kwargs: Any) -> _WSRequestContextManager: + """Initiate websocket connection. + + The api corresponds to aiohttp.ClientSession.ws_connect. + + """ + return _WSRequestContextManager(self._ws_connect(path, **kwargs)) + + async def _ws_connect(self, path: str, **kwargs: Any) -> ClientWebSocketResponse: + ws = await self._session.ws_connect(self.make_url(path), **kwargs) + self._websockets.append(ws) + return ws + + async def close(self) -> None: + """Close all fixtures created by the test client. + + After that point, the TestClient is no longer usable. + + This is an idempotent function: running close multiple times + will not have any additional effects. + + close is also run on exit when used as a(n) (asynchronous) + context manager. + + """ + if not self._closed: + for resp in self._responses: + resp.close() + for ws in self._websockets: + await ws.close() + await self._session.close() + await self._server.close() + self._closed = True + + def __enter__(self) -> None: + raise TypeError("Use async with instead") + + def __exit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: + # __exit__ should exist in pair with __enter__ but never executed + pass # pragma: no cover + + async def __aenter__(self) -> "TestClient": + await self.start_server() + return self + + async def __aexit__( + self, + exc_type: Optional[Type[BaseException]], + exc: Optional[BaseException], + tb: Optional[TracebackType], + ) -> None: + await self.close() + + +class AioHTTPTestCase(unittest.TestCase): + """A base class to allow for unittest web applications using + aiohttp. + + Provides the following: + + * self.client (aiohttp.test_utils.TestClient): an aiohttp test client. + * self.loop (asyncio.BaseEventLoop): the event loop in which the + application and server are running. + * self.app (aiohttp.web.Application): the application returned by + self.get_application() + + Note that the TestClient's methods are asynchronous: you have to + execute function on the test client using asynchronous methods. + """ + + async def get_application(self) -> Application: + """ + This method should be overridden + to return the aiohttp.web.Application + object to test. + + """ + return self.get_app() + + def get_app(self) -> Application: + """Obsolete method used to constructing web application. + + Use .get_application() coroutine instead + + """ + raise RuntimeError("Did you forget to define get_application()?") + + def setUp(self) -> None: + self.loop = setup_test_loop() + + self.app = self.loop.run_until_complete(self.get_application()) + self.server = self.loop.run_until_complete(self.get_server(self.app)) + self.client = self.loop.run_until_complete(self.get_client(self.server)) + + self.loop.run_until_complete(self.client.start_server()) + + self.loop.run_until_complete(self.setUpAsync()) + + async def setUpAsync(self) -> None: + pass + + def tearDown(self) -> None: + self.loop.run_until_complete(self.tearDownAsync()) + self.loop.run_until_complete(self.client.close()) + teardown_test_loop(self.loop) + + async def tearDownAsync(self) -> None: + pass + + async def get_server(self, app: Application) -> TestServer: + """Return a TestServer instance.""" + return TestServer(app, loop=self.loop) + + async def get_client(self, server: TestServer) -> TestClient: + """Return a TestClient instance.""" + return TestClient(server, loop=self.loop) + + +def unittest_run_loop(func: Any, *args: Any, **kwargs: Any) -> Any: + """A decorator dedicated to use with asynchronous methods of an + AioHTTPTestCase. + + Handles executing an asynchronous function, using + the self.loop of the AioHTTPTestCase. + """ + + @functools.wraps(func, *args, **kwargs) + def new_func(self: Any, *inner_args: Any, **inner_kwargs: Any) -> Any: + return self.loop.run_until_complete(func(self, *inner_args, **inner_kwargs)) + + return new_func + + +_LOOP_FACTORY = Callable[[], asyncio.AbstractEventLoop] + + +@contextlib.contextmanager +def loop_context( + loop_factory: _LOOP_FACTORY = asyncio.new_event_loop, fast: bool = False +) -> Iterator[asyncio.AbstractEventLoop]: + """A contextmanager that creates an event_loop, for test purposes. + + Handles the creation and cleanup of a test loop. + """ + loop = setup_test_loop(loop_factory) + yield loop + teardown_test_loop(loop, fast=fast) + + +def setup_test_loop( + loop_factory: _LOOP_FACTORY = asyncio.new_event_loop, +) -> asyncio.AbstractEventLoop: + """Create and return an asyncio.BaseEventLoop + instance. + + The caller should also call teardown_test_loop, + once they are done with the loop. + """ + loop = loop_factory() + try: + module = loop.__class__.__module__ + skip_watcher = "uvloop" in module + except AttributeError: # pragma: no cover + # Just in case + skip_watcher = True + asyncio.set_event_loop(loop) + if sys.platform != "win32" and not skip_watcher: + policy = asyncio.get_event_loop_policy() + watcher = asyncio.SafeChildWatcher() + watcher.attach_loop(loop) + with contextlib.suppress(NotImplementedError): + policy.set_child_watcher(watcher) + return loop + + +def teardown_test_loop(loop: asyncio.AbstractEventLoop, fast: bool = False) -> None: + """Teardown and cleanup an event_loop created + by setup_test_loop. + + """ + closed = loop.is_closed() + if not closed: + loop.call_soon(loop.stop) + loop.run_forever() + loop.close() + + if not fast: + gc.collect() + + asyncio.set_event_loop(None) + + +def _create_app_mock() -> mock.MagicMock: + def get_dict(app: Any, key: str) -> Any: + return app.__app_dict[key] + + def set_dict(app: Any, key: str, value: Any) -> None: + app.__app_dict[key] = value + + app = mock.MagicMock() + app.__app_dict = {} + app.__getitem__ = get_dict + app.__setitem__ = set_dict + + app._debug = False + app.on_response_prepare = Signal(app) + app.on_response_prepare.freeze() + return app + + +def _create_transport(sslcontext: Optional[SSLContext] = None) -> mock.Mock: + transport = mock.Mock() + + def get_extra_info(key: str) -> Optional[SSLContext]: + if key == "sslcontext": + return sslcontext + else: + return None + + transport.get_extra_info.side_effect = get_extra_info + return transport + + +def make_mocked_request( + method: str, + path: str, + headers: Any = None, + *, + match_info: Any = sentinel, + version: HttpVersion = HttpVersion(1, 1), + closing: bool = False, + app: Any = None, + writer: Any = sentinel, + protocol: Any = sentinel, + transport: Any = sentinel, + payload: Any = sentinel, + sslcontext: Optional[SSLContext] = None, + client_max_size: int = 1024 ** 2, + loop: Any = ..., +) -> Request: + """Creates mocked web.Request testing purposes. + + Useful in unit tests, when spinning full web server is overkill or + specific conditions and errors are hard to trigger. + + """ + + task = mock.Mock() + if loop is ...: + loop = mock.Mock() + loop.create_future.return_value = () + + if version < HttpVersion(1, 1): + closing = True + + if headers: + headers = CIMultiDictProxy(CIMultiDict(headers)) + raw_hdrs = tuple( + (k.encode("utf-8"), v.encode("utf-8")) for k, v in headers.items() + ) + else: + headers = CIMultiDictProxy(CIMultiDict()) + raw_hdrs = () + + chunked = "chunked" in headers.get(hdrs.TRANSFER_ENCODING, "").lower() + + message = RawRequestMessage( + method, + path, + version, + headers, + raw_hdrs, + closing, + False, + False, + chunked, + URL(path), + ) + if app is None: + app = _create_app_mock() + + if transport is sentinel: + transport = _create_transport(sslcontext) + + if protocol is sentinel: + protocol = mock.Mock() + protocol.transport = transport + + if writer is sentinel: + writer = mock.Mock() + writer.write_headers = make_mocked_coro(None) + writer.write = make_mocked_coro(None) + writer.write_eof = make_mocked_coro(None) + writer.drain = make_mocked_coro(None) + writer.transport = transport + + protocol.transport = transport + protocol.writer = writer + + if payload is sentinel: + payload = mock.Mock() + + req = Request( + message, payload, protocol, writer, task, loop, client_max_size=client_max_size + ) + + match_info = UrlMappingMatchInfo( + {} if match_info is sentinel else match_info, mock.Mock() + ) + match_info.add_app(app) + req._match_info = match_info + + return req + + +def make_mocked_coro( + return_value: Any = sentinel, raise_exception: Any = sentinel +) -> Any: + """Creates a coroutine mock.""" + + async def mock_coro(*args: Any, **kwargs: Any) -> Any: + if raise_exception is not sentinel: + raise raise_exception + if not inspect.isawaitable(return_value): + return return_value + await return_value + + return mock.Mock(wraps=mock_coro) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/tracing.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/tracing.py new file mode 100644 index 0000000..7ae7948 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/tracing.py @@ -0,0 +1,442 @@ +from types import SimpleNamespace +from typing import TYPE_CHECKING, Awaitable, Optional, Type, TypeVar + +import attr +from multidict import CIMultiDict +from yarl import URL + +from .client_reqrep import ClientResponse +from .signals import Signal + +if TYPE_CHECKING: # pragma: no cover + from typing_extensions import Protocol + + from .client import ClientSession + + _ParamT_contra = TypeVar("_ParamT_contra", contravariant=True) + + class _SignalCallback(Protocol[_ParamT_contra]): + def __call__( + self, + __client_session: ClientSession, + __trace_config_ctx: SimpleNamespace, + __params: _ParamT_contra, + ) -> Awaitable[None]: + ... + + +__all__ = ( + "TraceConfig", + "TraceRequestStartParams", + "TraceRequestEndParams", + "TraceRequestExceptionParams", + "TraceConnectionQueuedStartParams", + "TraceConnectionQueuedEndParams", + "TraceConnectionCreateStartParams", + "TraceConnectionCreateEndParams", + "TraceConnectionReuseconnParams", + "TraceDnsResolveHostStartParams", + "TraceDnsResolveHostEndParams", + "TraceDnsCacheHitParams", + "TraceDnsCacheMissParams", + "TraceRequestRedirectParams", + "TraceRequestChunkSentParams", + "TraceResponseChunkReceivedParams", +) + + +class TraceConfig: + """First-class used to trace requests launched via ClientSession + objects.""" + + def __init__( + self, trace_config_ctx_factory: Type[SimpleNamespace] = SimpleNamespace + ) -> None: + self._on_request_start = Signal( + self + ) # type: Signal[_SignalCallback[TraceRequestStartParams]] + self._on_request_chunk_sent = Signal( + self + ) # type: Signal[_SignalCallback[TraceRequestChunkSentParams]] + self._on_response_chunk_received = Signal( + self + ) # type: Signal[_SignalCallback[TraceResponseChunkReceivedParams]] + self._on_request_end = Signal( + self + ) # type: Signal[_SignalCallback[TraceRequestEndParams]] + self._on_request_exception = Signal( + self + ) # type: Signal[_SignalCallback[TraceRequestExceptionParams]] + self._on_request_redirect = Signal( + self + ) # type: Signal[_SignalCallback[TraceRequestRedirectParams]] + self._on_connection_queued_start = Signal( + self + ) # type: Signal[_SignalCallback[TraceConnectionQueuedStartParams]] + self._on_connection_queued_end = Signal( + self + ) # type: Signal[_SignalCallback[TraceConnectionQueuedEndParams]] + self._on_connection_create_start = Signal( + self + ) # type: Signal[_SignalCallback[TraceConnectionCreateStartParams]] + self._on_connection_create_end = Signal( + self + ) # type: Signal[_SignalCallback[TraceConnectionCreateEndParams]] + self._on_connection_reuseconn = Signal( + self + ) # type: Signal[_SignalCallback[TraceConnectionReuseconnParams]] + self._on_dns_resolvehost_start = Signal( + self + ) # type: Signal[_SignalCallback[TraceDnsResolveHostStartParams]] + self._on_dns_resolvehost_end = Signal( + self + ) # type: Signal[_SignalCallback[TraceDnsResolveHostEndParams]] + self._on_dns_cache_hit = Signal( + self + ) # type: Signal[_SignalCallback[TraceDnsCacheHitParams]] + self._on_dns_cache_miss = Signal( + self + ) # type: Signal[_SignalCallback[TraceDnsCacheMissParams]] + + self._trace_config_ctx_factory = trace_config_ctx_factory + + def trace_config_ctx( + self, trace_request_ctx: Optional[SimpleNamespace] = None + ) -> SimpleNamespace: + """ Return a new trace_config_ctx instance """ + return self._trace_config_ctx_factory(trace_request_ctx=trace_request_ctx) + + def freeze(self) -> None: + self._on_request_start.freeze() + self._on_request_chunk_sent.freeze() + self._on_response_chunk_received.freeze() + self._on_request_end.freeze() + self._on_request_exception.freeze() + self._on_request_redirect.freeze() + self._on_connection_queued_start.freeze() + self._on_connection_queued_end.freeze() + self._on_connection_create_start.freeze() + self._on_connection_create_end.freeze() + self._on_connection_reuseconn.freeze() + self._on_dns_resolvehost_start.freeze() + self._on_dns_resolvehost_end.freeze() + self._on_dns_cache_hit.freeze() + self._on_dns_cache_miss.freeze() + + @property + def on_request_start(self) -> "Signal[_SignalCallback[TraceRequestStartParams]]": + return self._on_request_start + + @property + def on_request_chunk_sent( + self, + ) -> "Signal[_SignalCallback[TraceRequestChunkSentParams]]": + return self._on_request_chunk_sent + + @property + def on_response_chunk_received( + self, + ) -> "Signal[_SignalCallback[TraceResponseChunkReceivedParams]]": + return self._on_response_chunk_received + + @property + def on_request_end(self) -> "Signal[_SignalCallback[TraceRequestEndParams]]": + return self._on_request_end + + @property + def on_request_exception( + self, + ) -> "Signal[_SignalCallback[TraceRequestExceptionParams]]": + return self._on_request_exception + + @property + def on_request_redirect( + self, + ) -> "Signal[_SignalCallback[TraceRequestRedirectParams]]": + return self._on_request_redirect + + @property + def on_connection_queued_start( + self, + ) -> "Signal[_SignalCallback[TraceConnectionQueuedStartParams]]": + return self._on_connection_queued_start + + @property + def on_connection_queued_end( + self, + ) -> "Signal[_SignalCallback[TraceConnectionQueuedEndParams]]": + return self._on_connection_queued_end + + @property + def on_connection_create_start( + self, + ) -> "Signal[_SignalCallback[TraceConnectionCreateStartParams]]": + return self._on_connection_create_start + + @property + def on_connection_create_end( + self, + ) -> "Signal[_SignalCallback[TraceConnectionCreateEndParams]]": + return self._on_connection_create_end + + @property + def on_connection_reuseconn( + self, + ) -> "Signal[_SignalCallback[TraceConnectionReuseconnParams]]": + return self._on_connection_reuseconn + + @property + def on_dns_resolvehost_start( + self, + ) -> "Signal[_SignalCallback[TraceDnsResolveHostStartParams]]": + return self._on_dns_resolvehost_start + + @property + def on_dns_resolvehost_end( + self, + ) -> "Signal[_SignalCallback[TraceDnsResolveHostEndParams]]": + return self._on_dns_resolvehost_end + + @property + def on_dns_cache_hit(self) -> "Signal[_SignalCallback[TraceDnsCacheHitParams]]": + return self._on_dns_cache_hit + + @property + def on_dns_cache_miss(self) -> "Signal[_SignalCallback[TraceDnsCacheMissParams]]": + return self._on_dns_cache_miss + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceRequestStartParams: + """ Parameters sent by the `on_request_start` signal""" + + method: str + url: URL + headers: "CIMultiDict[str]" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceRequestChunkSentParams: + """ Parameters sent by the `on_request_chunk_sent` signal""" + + method: str + url: URL + chunk: bytes + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceResponseChunkReceivedParams: + """ Parameters sent by the `on_response_chunk_received` signal""" + + method: str + url: URL + chunk: bytes + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceRequestEndParams: + """ Parameters sent by the `on_request_end` signal""" + + method: str + url: URL + headers: "CIMultiDict[str]" + response: ClientResponse + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceRequestExceptionParams: + """ Parameters sent by the `on_request_exception` signal""" + + method: str + url: URL + headers: "CIMultiDict[str]" + exception: BaseException + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceRequestRedirectParams: + """ Parameters sent by the `on_request_redirect` signal""" + + method: str + url: URL + headers: "CIMultiDict[str]" + response: ClientResponse + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceConnectionQueuedStartParams: + """ Parameters sent by the `on_connection_queued_start` signal""" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceConnectionQueuedEndParams: + """ Parameters sent by the `on_connection_queued_end` signal""" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceConnectionCreateStartParams: + """ Parameters sent by the `on_connection_create_start` signal""" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceConnectionCreateEndParams: + """ Parameters sent by the `on_connection_create_end` signal""" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceConnectionReuseconnParams: + """ Parameters sent by the `on_connection_reuseconn` signal""" + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceDnsResolveHostStartParams: + """ Parameters sent by the `on_dns_resolvehost_start` signal""" + + host: str + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceDnsResolveHostEndParams: + """ Parameters sent by the `on_dns_resolvehost_end` signal""" + + host: str + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceDnsCacheHitParams: + """ Parameters sent by the `on_dns_cache_hit` signal""" + + host: str + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class TraceDnsCacheMissParams: + """ Parameters sent by the `on_dns_cache_miss` signal""" + + host: str + + +class Trace: + """Internal class used to keep together the main dependencies used + at the moment of send a signal.""" + + def __init__( + self, + session: "ClientSession", + trace_config: TraceConfig, + trace_config_ctx: SimpleNamespace, + ) -> None: + self._trace_config = trace_config + self._trace_config_ctx = trace_config_ctx + self._session = session + + async def send_request_start( + self, method: str, url: URL, headers: "CIMultiDict[str]" + ) -> None: + return await self._trace_config.on_request_start.send( + self._session, + self._trace_config_ctx, + TraceRequestStartParams(method, url, headers), + ) + + async def send_request_chunk_sent( + self, method: str, url: URL, chunk: bytes + ) -> None: + return await self._trace_config.on_request_chunk_sent.send( + self._session, + self._trace_config_ctx, + TraceRequestChunkSentParams(method, url, chunk), + ) + + async def send_response_chunk_received( + self, method: str, url: URL, chunk: bytes + ) -> None: + return await self._trace_config.on_response_chunk_received.send( + self._session, + self._trace_config_ctx, + TraceResponseChunkReceivedParams(method, url, chunk), + ) + + async def send_request_end( + self, + method: str, + url: URL, + headers: "CIMultiDict[str]", + response: ClientResponse, + ) -> None: + return await self._trace_config.on_request_end.send( + self._session, + self._trace_config_ctx, + TraceRequestEndParams(method, url, headers, response), + ) + + async def send_request_exception( + self, + method: str, + url: URL, + headers: "CIMultiDict[str]", + exception: BaseException, + ) -> None: + return await self._trace_config.on_request_exception.send( + self._session, + self._trace_config_ctx, + TraceRequestExceptionParams(method, url, headers, exception), + ) + + async def send_request_redirect( + self, + method: str, + url: URL, + headers: "CIMultiDict[str]", + response: ClientResponse, + ) -> None: + return await self._trace_config._on_request_redirect.send( + self._session, + self._trace_config_ctx, + TraceRequestRedirectParams(method, url, headers, response), + ) + + async def send_connection_queued_start(self) -> None: + return await self._trace_config.on_connection_queued_start.send( + self._session, self._trace_config_ctx, TraceConnectionQueuedStartParams() + ) + + async def send_connection_queued_end(self) -> None: + return await self._trace_config.on_connection_queued_end.send( + self._session, self._trace_config_ctx, TraceConnectionQueuedEndParams() + ) + + async def send_connection_create_start(self) -> None: + return await self._trace_config.on_connection_create_start.send( + self._session, self._trace_config_ctx, TraceConnectionCreateStartParams() + ) + + async def send_connection_create_end(self) -> None: + return await self._trace_config.on_connection_create_end.send( + self._session, self._trace_config_ctx, TraceConnectionCreateEndParams() + ) + + async def send_connection_reuseconn(self) -> None: + return await self._trace_config.on_connection_reuseconn.send( + self._session, self._trace_config_ctx, TraceConnectionReuseconnParams() + ) + + async def send_dns_resolvehost_start(self, host: str) -> None: + return await self._trace_config.on_dns_resolvehost_start.send( + self._session, self._trace_config_ctx, TraceDnsResolveHostStartParams(host) + ) + + async def send_dns_resolvehost_end(self, host: str) -> None: + return await self._trace_config.on_dns_resolvehost_end.send( + self._session, self._trace_config_ctx, TraceDnsResolveHostEndParams(host) + ) + + async def send_dns_cache_hit(self, host: str) -> None: + return await self._trace_config.on_dns_cache_hit.send( + self._session, self._trace_config_ctx, TraceDnsCacheHitParams(host) + ) + + async def send_dns_cache_miss(self, host: str) -> None: + return await self._trace_config.on_dns_cache_miss.send( + self._session, self._trace_config_ctx, TraceDnsCacheMissParams(host) + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/typedefs.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/typedefs.py new file mode 100644 index 0000000..1b68a24 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/typedefs.py @@ -0,0 +1,46 @@ +import json +import os +import pathlib +import sys +from typing import TYPE_CHECKING, Any, Callable, Iterable, Mapping, Tuple, Union + +from multidict import CIMultiDict, CIMultiDictProxy, MultiDict, MultiDictProxy, istr +from yarl import URL + +DEFAULT_JSON_ENCODER = json.dumps +DEFAULT_JSON_DECODER = json.loads + +if TYPE_CHECKING: # pragma: no cover + _CIMultiDict = CIMultiDict[str] + _CIMultiDictProxy = CIMultiDictProxy[str] + _MultiDict = MultiDict[str] + _MultiDictProxy = MultiDictProxy[str] + from http.cookies import BaseCookie, Morsel +else: + _CIMultiDict = CIMultiDict + _CIMultiDictProxy = CIMultiDictProxy + _MultiDict = MultiDict + _MultiDictProxy = MultiDictProxy + +Byteish = Union[bytes, bytearray, memoryview] +JSONEncoder = Callable[[Any], str] +JSONDecoder = Callable[[str], Any] +LooseHeaders = Union[Mapping[Union[str, istr], str], _CIMultiDict, _CIMultiDictProxy] +RawHeaders = Tuple[Tuple[bytes, bytes], ...] +StrOrURL = Union[str, URL] + +LooseCookiesMappings = Mapping[str, Union[str, "BaseCookie[str]", "Morsel[Any]"]] +LooseCookiesIterables = Iterable[ + Tuple[str, Union[str, "BaseCookie[str]", "Morsel[Any]"]] +] +LooseCookies = Union[ + LooseCookiesMappings, + LooseCookiesIterables, + "BaseCookie[str]", +] + + +if sys.version_info >= (3, 6): + PathLike = Union[str, "os.PathLike[str]"] +else: + PathLike = Union[str, pathlib.PurePath] diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web.py new file mode 100644 index 0000000..557e3c3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web.py @@ -0,0 +1,581 @@ +import asyncio +import logging +import socket +import sys +from argparse import ArgumentParser +from collections.abc import Iterable +from importlib import import_module +from typing import ( + Any as Any, + Awaitable as Awaitable, + Callable as Callable, + Iterable as TypingIterable, + List as List, + Optional as Optional, + Set as Set, + Type as Type, + Union as Union, + cast as cast, +) + +from .abc import AbstractAccessLogger +from .helpers import all_tasks +from .log import access_logger +from .web_app import Application as Application, CleanupError as CleanupError +from .web_exceptions import ( + HTTPAccepted as HTTPAccepted, + HTTPBadGateway as HTTPBadGateway, + HTTPBadRequest as HTTPBadRequest, + HTTPClientError as HTTPClientError, + HTTPConflict as HTTPConflict, + HTTPCreated as HTTPCreated, + HTTPError as HTTPError, + HTTPException as HTTPException, + HTTPExpectationFailed as HTTPExpectationFailed, + HTTPFailedDependency as HTTPFailedDependency, + HTTPForbidden as HTTPForbidden, + HTTPFound as HTTPFound, + HTTPGatewayTimeout as HTTPGatewayTimeout, + HTTPGone as HTTPGone, + HTTPInsufficientStorage as HTTPInsufficientStorage, + HTTPInternalServerError as HTTPInternalServerError, + HTTPLengthRequired as HTTPLengthRequired, + HTTPMethodNotAllowed as HTTPMethodNotAllowed, + HTTPMisdirectedRequest as HTTPMisdirectedRequest, + HTTPMovedPermanently as HTTPMovedPermanently, + HTTPMultipleChoices as HTTPMultipleChoices, + HTTPNetworkAuthenticationRequired as HTTPNetworkAuthenticationRequired, + HTTPNoContent as HTTPNoContent, + HTTPNonAuthoritativeInformation as HTTPNonAuthoritativeInformation, + HTTPNotAcceptable as HTTPNotAcceptable, + HTTPNotExtended as HTTPNotExtended, + HTTPNotFound as HTTPNotFound, + HTTPNotImplemented as HTTPNotImplemented, + HTTPNotModified as HTTPNotModified, + HTTPOk as HTTPOk, + HTTPPartialContent as HTTPPartialContent, + HTTPPaymentRequired as HTTPPaymentRequired, + HTTPPermanentRedirect as HTTPPermanentRedirect, + HTTPPreconditionFailed as HTTPPreconditionFailed, + HTTPPreconditionRequired as HTTPPreconditionRequired, + HTTPProxyAuthenticationRequired as HTTPProxyAuthenticationRequired, + HTTPRedirection as HTTPRedirection, + HTTPRequestEntityTooLarge as HTTPRequestEntityTooLarge, + HTTPRequestHeaderFieldsTooLarge as HTTPRequestHeaderFieldsTooLarge, + HTTPRequestRangeNotSatisfiable as HTTPRequestRangeNotSatisfiable, + HTTPRequestTimeout as HTTPRequestTimeout, + HTTPRequestURITooLong as HTTPRequestURITooLong, + HTTPResetContent as HTTPResetContent, + HTTPSeeOther as HTTPSeeOther, + HTTPServerError as HTTPServerError, + HTTPServiceUnavailable as HTTPServiceUnavailable, + HTTPSuccessful as HTTPSuccessful, + HTTPTemporaryRedirect as HTTPTemporaryRedirect, + HTTPTooManyRequests as HTTPTooManyRequests, + HTTPUnauthorized as HTTPUnauthorized, + HTTPUnavailableForLegalReasons as HTTPUnavailableForLegalReasons, + HTTPUnprocessableEntity as HTTPUnprocessableEntity, + HTTPUnsupportedMediaType as HTTPUnsupportedMediaType, + HTTPUpgradeRequired as HTTPUpgradeRequired, + HTTPUseProxy as HTTPUseProxy, + HTTPVariantAlsoNegotiates as HTTPVariantAlsoNegotiates, + HTTPVersionNotSupported as HTTPVersionNotSupported, +) +from .web_fileresponse import FileResponse as FileResponse +from .web_log import AccessLogger +from .web_middlewares import ( + middleware as middleware, + normalize_path_middleware as normalize_path_middleware, +) +from .web_protocol import ( + PayloadAccessError as PayloadAccessError, + RequestHandler as RequestHandler, + RequestPayloadError as RequestPayloadError, +) +from .web_request import ( + BaseRequest as BaseRequest, + FileField as FileField, + Request as Request, +) +from .web_response import ( + ContentCoding as ContentCoding, + Response as Response, + StreamResponse as StreamResponse, + json_response as json_response, +) +from .web_routedef import ( + AbstractRouteDef as AbstractRouteDef, + RouteDef as RouteDef, + RouteTableDef as RouteTableDef, + StaticDef as StaticDef, + delete as delete, + get as get, + head as head, + options as options, + patch as patch, + post as post, + put as put, + route as route, + static as static, + view as view, +) +from .web_runner import ( + AppRunner as AppRunner, + BaseRunner as BaseRunner, + BaseSite as BaseSite, + GracefulExit as GracefulExit, + NamedPipeSite as NamedPipeSite, + ServerRunner as ServerRunner, + SockSite as SockSite, + TCPSite as TCPSite, + UnixSite as UnixSite, +) +from .web_server import Server as Server +from .web_urldispatcher import ( + AbstractResource as AbstractResource, + AbstractRoute as AbstractRoute, + DynamicResource as DynamicResource, + PlainResource as PlainResource, + Resource as Resource, + ResourceRoute as ResourceRoute, + StaticResource as StaticResource, + UrlDispatcher as UrlDispatcher, + UrlMappingMatchInfo as UrlMappingMatchInfo, + View as View, +) +from .web_ws import ( + WebSocketReady as WebSocketReady, + WebSocketResponse as WebSocketResponse, + WSMsgType as WSMsgType, +) + +__all__ = ( + # web_app + "Application", + "CleanupError", + # web_exceptions + "HTTPAccepted", + "HTTPBadGateway", + "HTTPBadRequest", + "HTTPClientError", + "HTTPConflict", + "HTTPCreated", + "HTTPError", + "HTTPException", + "HTTPExpectationFailed", + "HTTPFailedDependency", + "HTTPForbidden", + "HTTPFound", + "HTTPGatewayTimeout", + "HTTPGone", + "HTTPInsufficientStorage", + "HTTPInternalServerError", + "HTTPLengthRequired", + "HTTPMethodNotAllowed", + "HTTPMisdirectedRequest", + "HTTPMovedPermanently", + "HTTPMultipleChoices", + "HTTPNetworkAuthenticationRequired", + "HTTPNoContent", + "HTTPNonAuthoritativeInformation", + "HTTPNotAcceptable", + "HTTPNotExtended", + "HTTPNotFound", + "HTTPNotImplemented", + "HTTPNotModified", + "HTTPOk", + "HTTPPartialContent", + "HTTPPaymentRequired", + "HTTPPermanentRedirect", + "HTTPPreconditionFailed", + "HTTPPreconditionRequired", + "HTTPProxyAuthenticationRequired", + "HTTPRedirection", + "HTTPRequestEntityTooLarge", + "HTTPRequestHeaderFieldsTooLarge", + "HTTPRequestRangeNotSatisfiable", + "HTTPRequestTimeout", + "HTTPRequestURITooLong", + "HTTPResetContent", + "HTTPSeeOther", + "HTTPServerError", + "HTTPServiceUnavailable", + "HTTPSuccessful", + "HTTPTemporaryRedirect", + "HTTPTooManyRequests", + "HTTPUnauthorized", + "HTTPUnavailableForLegalReasons", + "HTTPUnprocessableEntity", + "HTTPUnsupportedMediaType", + "HTTPUpgradeRequired", + "HTTPUseProxy", + "HTTPVariantAlsoNegotiates", + "HTTPVersionNotSupported", + # web_fileresponse + "FileResponse", + # web_middlewares + "middleware", + "normalize_path_middleware", + # web_protocol + "PayloadAccessError", + "RequestHandler", + "RequestPayloadError", + # web_request + "BaseRequest", + "FileField", + "Request", + # web_response + "ContentCoding", + "Response", + "StreamResponse", + "json_response", + # web_routedef + "AbstractRouteDef", + "RouteDef", + "RouteTableDef", + "StaticDef", + "delete", + "get", + "head", + "options", + "patch", + "post", + "put", + "route", + "static", + "view", + # web_runner + "AppRunner", + "BaseRunner", + "BaseSite", + "GracefulExit", + "ServerRunner", + "SockSite", + "TCPSite", + "UnixSite", + "NamedPipeSite", + # web_server + "Server", + # web_urldispatcher + "AbstractResource", + "AbstractRoute", + "DynamicResource", + "PlainResource", + "Resource", + "ResourceRoute", + "StaticResource", + "UrlDispatcher", + "UrlMappingMatchInfo", + "View", + # web_ws + "WebSocketReady", + "WebSocketResponse", + "WSMsgType", + # web + "run_app", +) + + +try: + from ssl import SSLContext +except ImportError: # pragma: no cover + SSLContext = Any # type: ignore + +HostSequence = TypingIterable[str] + + +async def _run_app( + app: Union[Application, Awaitable[Application]], + *, + host: Optional[Union[str, HostSequence]] = None, + port: Optional[int] = None, + path: Optional[str] = None, + sock: Optional[socket.socket] = None, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + print: Callable[..., None] = print, + backlog: int = 128, + access_log_class: Type[AbstractAccessLogger] = AccessLogger, + access_log_format: str = AccessLogger.LOG_FORMAT, + access_log: Optional[logging.Logger] = access_logger, + handle_signals: bool = True, + reuse_address: Optional[bool] = None, + reuse_port: Optional[bool] = None, +) -> None: + # A internal functio to actually do all dirty job for application running + if asyncio.iscoroutine(app): + app = await app # type: ignore + + app = cast(Application, app) + + runner = AppRunner( + app, + handle_signals=handle_signals, + access_log_class=access_log_class, + access_log_format=access_log_format, + access_log=access_log, + ) + + await runner.setup() + + sites = [] # type: List[BaseSite] + + try: + if host is not None: + if isinstance(host, (str, bytes, bytearray, memoryview)): + sites.append( + TCPSite( + runner, + host, + port, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + reuse_address=reuse_address, + reuse_port=reuse_port, + ) + ) + else: + for h in host: + sites.append( + TCPSite( + runner, + h, + port, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + reuse_address=reuse_address, + reuse_port=reuse_port, + ) + ) + elif path is None and sock is None or port is not None: + sites.append( + TCPSite( + runner, + port=port, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + reuse_address=reuse_address, + reuse_port=reuse_port, + ) + ) + + if path is not None: + if isinstance(path, (str, bytes, bytearray, memoryview)): + sites.append( + UnixSite( + runner, + path, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + ) + else: + for p in path: + sites.append( + UnixSite( + runner, + p, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + ) + + if sock is not None: + if not isinstance(sock, Iterable): + sites.append( + SockSite( + runner, + sock, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + ) + else: + for s in sock: + sites.append( + SockSite( + runner, + s, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + ) + for site in sites: + await site.start() + + if print: # pragma: no branch + names = sorted(str(s.name) for s in runner.sites) + print( + "======== Running on {} ========\n" + "(Press CTRL+C to quit)".format(", ".join(names)) + ) + + # sleep forever by 1 hour intervals, + # on Windows before Python 3.8 wake up every 1 second to handle + # Ctrl+C smoothly + if sys.platform == "win32" and sys.version_info < (3, 8): + delay = 1 + else: + delay = 3600 + + while True: + await asyncio.sleep(delay) + finally: + await runner.cleanup() + + +def _cancel_tasks( + to_cancel: Set["asyncio.Task[Any]"], loop: asyncio.AbstractEventLoop +) -> None: + if not to_cancel: + return + + for task in to_cancel: + task.cancel() + + loop.run_until_complete( + asyncio.gather(*to_cancel, loop=loop, return_exceptions=True) + ) + + for task in to_cancel: + if task.cancelled(): + continue + if task.exception() is not None: + loop.call_exception_handler( + { + "message": "unhandled exception during asyncio.run() shutdown", + "exception": task.exception(), + "task": task, + } + ) + + +def run_app( + app: Union[Application, Awaitable[Application]], + *, + host: Optional[Union[str, HostSequence]] = None, + port: Optional[int] = None, + path: Optional[str] = None, + sock: Optional[socket.socket] = None, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + print: Callable[..., None] = print, + backlog: int = 128, + access_log_class: Type[AbstractAccessLogger] = AccessLogger, + access_log_format: str = AccessLogger.LOG_FORMAT, + access_log: Optional[logging.Logger] = access_logger, + handle_signals: bool = True, + reuse_address: Optional[bool] = None, + reuse_port: Optional[bool] = None, +) -> None: + """Run an app locally""" + loop = asyncio.get_event_loop() + + # Configure if and only if in debugging mode and using the default logger + if loop.get_debug() and access_log and access_log.name == "aiohttp.access": + if access_log.level == logging.NOTSET: + access_log.setLevel(logging.DEBUG) + if not access_log.hasHandlers(): + access_log.addHandler(logging.StreamHandler()) + + try: + main_task = loop.create_task( + _run_app( + app, + host=host, + port=port, + path=path, + sock=sock, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + print=print, + backlog=backlog, + access_log_class=access_log_class, + access_log_format=access_log_format, + access_log=access_log, + handle_signals=handle_signals, + reuse_address=reuse_address, + reuse_port=reuse_port, + ) + ) + loop.run_until_complete(main_task) + except (GracefulExit, KeyboardInterrupt): # pragma: no cover + pass + finally: + _cancel_tasks({main_task}, loop) + _cancel_tasks(all_tasks(loop), loop) + if sys.version_info >= (3, 6): # don't use PY_36 to pass mypy + loop.run_until_complete(loop.shutdown_asyncgens()) + loop.close() + + +def main(argv: List[str]) -> None: + arg_parser = ArgumentParser( + description="aiohttp.web Application server", prog="aiohttp.web" + ) + arg_parser.add_argument( + "entry_func", + help=( + "Callable returning the `aiohttp.web.Application` instance to " + "run. Should be specified in the 'module:function' syntax." + ), + metavar="entry-func", + ) + arg_parser.add_argument( + "-H", + "--hostname", + help="TCP/IP hostname to serve on (default: %(default)r)", + default="localhost", + ) + arg_parser.add_argument( + "-P", + "--port", + help="TCP/IP port to serve on (default: %(default)r)", + type=int, + default="8080", + ) + arg_parser.add_argument( + "-U", + "--path", + help="Unix file system path to serve on. Specifying a path will cause " + "hostname and port arguments to be ignored.", + ) + args, extra_argv = arg_parser.parse_known_args(argv) + + # Import logic + mod_str, _, func_str = args.entry_func.partition(":") + if not func_str or not mod_str: + arg_parser.error("'entry-func' not in 'module:function' syntax") + if mod_str.startswith("."): + arg_parser.error("relative module names not supported") + try: + module = import_module(mod_str) + except ImportError as ex: + arg_parser.error(f"unable to import {mod_str}: {ex}") + try: + func = getattr(module, func_str) + except AttributeError: + arg_parser.error(f"module {mod_str!r} has no attribute {func_str!r}") + + # Compatibility logic + if args.path is not None and not hasattr(socket, "AF_UNIX"): + arg_parser.error( + "file system paths not supported by your operating" " environment" + ) + + logging.basicConfig(level=logging.DEBUG) + + app = func(extra_argv) + run_app(app, host=args.hostname, port=args.port, path=args.path) + arg_parser.exit(message="Stopped\n") + + +if __name__ == "__main__": # pragma: no branch + main(sys.argv[1:]) # pragma: no cover diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_app.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_app.py new file mode 100644 index 0000000..14f2937 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_app.py @@ -0,0 +1,552 @@ +import asyncio +import logging +import warnings +from functools import partial, update_wrapper +from typing import ( + TYPE_CHECKING, + Any, + AsyncIterator, + Awaitable, + Callable, + Dict, + Iterable, + Iterator, + List, + Mapping, + MutableMapping, + Optional, + Sequence, + Tuple, + Type, + Union, + cast, +) + +from . import hdrs +from .abc import ( + AbstractAccessLogger, + AbstractMatchInfo, + AbstractRouter, + AbstractStreamWriter, +) +from .frozenlist import FrozenList +from .helpers import DEBUG +from .http_parser import RawRequestMessage +from .log import web_logger +from .signals import Signal +from .streams import StreamReader +from .web_log import AccessLogger +from .web_middlewares import _fix_request_current_app +from .web_protocol import RequestHandler +from .web_request import Request +from .web_response import StreamResponse +from .web_routedef import AbstractRouteDef +from .web_server import Server +from .web_urldispatcher import ( + AbstractResource, + AbstractRoute, + Domain, + MaskDomain, + MatchedSubAppResource, + PrefixedSubAppResource, + UrlDispatcher, +) + +__all__ = ("Application", "CleanupError") + + +if TYPE_CHECKING: # pragma: no cover + _AppSignal = Signal[Callable[["Application"], Awaitable[None]]] + _RespPrepareSignal = Signal[Callable[[Request, StreamResponse], Awaitable[None]]] + _Handler = Callable[[Request], Awaitable[StreamResponse]] + _Middleware = Union[ + Callable[[Request, _Handler], Awaitable[StreamResponse]], + Callable[["Application", _Handler], Awaitable[_Handler]], # old-style + ] + _Middlewares = FrozenList[_Middleware] + _MiddlewaresHandlers = Optional[Sequence[Tuple[_Middleware, bool]]] + _Subapps = List["Application"] +else: + # No type checker mode, skip types + _AppSignal = Signal + _RespPrepareSignal = Signal + _Handler = Callable + _Middleware = Callable + _Middlewares = FrozenList + _MiddlewaresHandlers = Optional[Sequence] + _Subapps = List + + +class Application(MutableMapping[str, Any]): + ATTRS = frozenset( + [ + "logger", + "_debug", + "_router", + "_loop", + "_handler_args", + "_middlewares", + "_middlewares_handlers", + "_run_middlewares", + "_state", + "_frozen", + "_pre_frozen", + "_subapps", + "_on_response_prepare", + "_on_startup", + "_on_shutdown", + "_on_cleanup", + "_client_max_size", + "_cleanup_ctx", + ] + ) + + def __init__( + self, + *, + logger: logging.Logger = web_logger, + router: Optional[UrlDispatcher] = None, + middlewares: Iterable[_Middleware] = (), + handler_args: Optional[Mapping[str, Any]] = None, + client_max_size: int = 1024 ** 2, + loop: Optional[asyncio.AbstractEventLoop] = None, + debug: Any = ..., # mypy doesn't support ellipsis + ) -> None: + if router is None: + router = UrlDispatcher() + else: + warnings.warn( + "router argument is deprecated", DeprecationWarning, stacklevel=2 + ) + assert isinstance(router, AbstractRouter), router + + if loop is not None: + warnings.warn( + "loop argument is deprecated", DeprecationWarning, stacklevel=2 + ) + + if debug is not ...: + warnings.warn( + "debug argument is deprecated", DeprecationWarning, stacklevel=2 + ) + self._debug = debug + self._router = router # type: UrlDispatcher + self._loop = loop + self._handler_args = handler_args + self.logger = logger + + self._middlewares = FrozenList(middlewares) # type: _Middlewares + + # initialized on freezing + self._middlewares_handlers = None # type: _MiddlewaresHandlers + # initialized on freezing + self._run_middlewares = None # type: Optional[bool] + + self._state = {} # type: Dict[str, Any] + self._frozen = False + self._pre_frozen = False + self._subapps = [] # type: _Subapps + + self._on_response_prepare = Signal(self) # type: _RespPrepareSignal + self._on_startup = Signal(self) # type: _AppSignal + self._on_shutdown = Signal(self) # type: _AppSignal + self._on_cleanup = Signal(self) # type: _AppSignal + self._cleanup_ctx = CleanupContext() + self._on_startup.append(self._cleanup_ctx._on_startup) + self._on_cleanup.append(self._cleanup_ctx._on_cleanup) + self._client_max_size = client_max_size + + def __init_subclass__(cls: Type["Application"]) -> None: + warnings.warn( + "Inheritance class {} from web.Application " + "is discouraged".format(cls.__name__), + DeprecationWarning, + stacklevel=2, + ) + + if DEBUG: # pragma: no cover + + def __setattr__(self, name: str, val: Any) -> None: + if name not in self.ATTRS: + warnings.warn( + "Setting custom web.Application.{} attribute " + "is discouraged".format(name), + DeprecationWarning, + stacklevel=2, + ) + super().__setattr__(name, val) + + # MutableMapping API + + def __eq__(self, other: object) -> bool: + return self is other + + def __getitem__(self, key: str) -> Any: + return self._state[key] + + def _check_frozen(self) -> None: + if self._frozen: + warnings.warn( + "Changing state of started or joined " "application is deprecated", + DeprecationWarning, + stacklevel=3, + ) + + def __setitem__(self, key: str, value: Any) -> None: + self._check_frozen() + self._state[key] = value + + def __delitem__(self, key: str) -> None: + self._check_frozen() + del self._state[key] + + def __len__(self) -> int: + return len(self._state) + + def __iter__(self) -> Iterator[str]: + return iter(self._state) + + ######## + @property + def loop(self) -> asyncio.AbstractEventLoop: + # Technically the loop can be None + # but we mask it by explicit type cast + # to provide more convinient type annotation + warnings.warn("loop property is deprecated", DeprecationWarning, stacklevel=2) + return cast(asyncio.AbstractEventLoop, self._loop) + + def _set_loop(self, loop: Optional[asyncio.AbstractEventLoop]) -> None: + if loop is None: + loop = asyncio.get_event_loop() + if self._loop is not None and self._loop is not loop: + raise RuntimeError( + "web.Application instance initialized with different loop" + ) + + self._loop = loop + + # set loop debug + if self._debug is ...: + self._debug = loop.get_debug() + + # set loop to sub applications + for subapp in self._subapps: + subapp._set_loop(loop) + + @property + def pre_frozen(self) -> bool: + return self._pre_frozen + + def pre_freeze(self) -> None: + if self._pre_frozen: + return + + self._pre_frozen = True + self._middlewares.freeze() + self._router.freeze() + self._on_response_prepare.freeze() + self._cleanup_ctx.freeze() + self._on_startup.freeze() + self._on_shutdown.freeze() + self._on_cleanup.freeze() + self._middlewares_handlers = tuple(self._prepare_middleware()) + + # If current app and any subapp do not have middlewares avoid run all + # of the code footprint that it implies, which have a middleware + # hardcoded per app that sets up the current_app attribute. If no + # middlewares are configured the handler will receive the proper + # current_app without needing all of this code. + self._run_middlewares = True if self.middlewares else False + + for subapp in self._subapps: + subapp.pre_freeze() + self._run_middlewares = self._run_middlewares or subapp._run_middlewares + + @property + def frozen(self) -> bool: + return self._frozen + + def freeze(self) -> None: + if self._frozen: + return + + self.pre_freeze() + self._frozen = True + for subapp in self._subapps: + subapp.freeze() + + @property + def debug(self) -> bool: + warnings.warn("debug property is deprecated", DeprecationWarning, stacklevel=2) + return self._debug + + def _reg_subapp_signals(self, subapp: "Application") -> None: + def reg_handler(signame: str) -> None: + subsig = getattr(subapp, signame) + + async def handler(app: "Application") -> None: + await subsig.send(subapp) + + appsig = getattr(self, signame) + appsig.append(handler) + + reg_handler("on_startup") + reg_handler("on_shutdown") + reg_handler("on_cleanup") + + def add_subapp(self, prefix: str, subapp: "Application") -> AbstractResource: + if not isinstance(prefix, str): + raise TypeError("Prefix must be str") + prefix = prefix.rstrip("/") + if not prefix: + raise ValueError("Prefix cannot be empty") + factory = partial(PrefixedSubAppResource, prefix, subapp) + return self._add_subapp(factory, subapp) + + def _add_subapp( + self, resource_factory: Callable[[], AbstractResource], subapp: "Application" + ) -> AbstractResource: + if self.frozen: + raise RuntimeError("Cannot add sub application to frozen application") + if subapp.frozen: + raise RuntimeError("Cannot add frozen application") + resource = resource_factory() + self.router.register_resource(resource) + self._reg_subapp_signals(subapp) + self._subapps.append(subapp) + subapp.pre_freeze() + if self._loop is not None: + subapp._set_loop(self._loop) + return resource + + def add_domain(self, domain: str, subapp: "Application") -> AbstractResource: + if not isinstance(domain, str): + raise TypeError("Domain must be str") + elif "*" in domain: + rule = MaskDomain(domain) # type: Domain + else: + rule = Domain(domain) + factory = partial(MatchedSubAppResource, rule, subapp) + return self._add_subapp(factory, subapp) + + def add_routes(self, routes: Iterable[AbstractRouteDef]) -> List[AbstractRoute]: + return self.router.add_routes(routes) + + @property + def on_response_prepare(self) -> _RespPrepareSignal: + return self._on_response_prepare + + @property + def on_startup(self) -> _AppSignal: + return self._on_startup + + @property + def on_shutdown(self) -> _AppSignal: + return self._on_shutdown + + @property + def on_cleanup(self) -> _AppSignal: + return self._on_cleanup + + @property + def cleanup_ctx(self) -> "CleanupContext": + return self._cleanup_ctx + + @property + def router(self) -> UrlDispatcher: + return self._router + + @property + def middlewares(self) -> _Middlewares: + return self._middlewares + + def _make_handler( + self, + *, + loop: Optional[asyncio.AbstractEventLoop] = None, + access_log_class: Type[AbstractAccessLogger] = AccessLogger, + **kwargs: Any, + ) -> Server: + + if not issubclass(access_log_class, AbstractAccessLogger): + raise TypeError( + "access_log_class must be subclass of " + "aiohttp.abc.AbstractAccessLogger, got {}".format(access_log_class) + ) + + self._set_loop(loop) + self.freeze() + + kwargs["debug"] = self._debug + kwargs["access_log_class"] = access_log_class + if self._handler_args: + for k, v in self._handler_args.items(): + kwargs[k] = v + + return Server( + self._handle, # type: ignore + request_factory=self._make_request, + loop=self._loop, + **kwargs, + ) + + def make_handler( + self, + *, + loop: Optional[asyncio.AbstractEventLoop] = None, + access_log_class: Type[AbstractAccessLogger] = AccessLogger, + **kwargs: Any, + ) -> Server: + + warnings.warn( + "Application.make_handler(...) is deprecated, " "use AppRunner API instead", + DeprecationWarning, + stacklevel=2, + ) + + return self._make_handler( + loop=loop, access_log_class=access_log_class, **kwargs + ) + + async def startup(self) -> None: + """Causes on_startup signal + + Should be called in the event loop along with the request handler. + """ + await self.on_startup.send(self) + + async def shutdown(self) -> None: + """Causes on_shutdown signal + + Should be called before cleanup() + """ + await self.on_shutdown.send(self) + + async def cleanup(self) -> None: + """Causes on_cleanup signal + + Should be called after shutdown() + """ + await self.on_cleanup.send(self) + + def _make_request( + self, + message: RawRequestMessage, + payload: StreamReader, + protocol: RequestHandler, + writer: AbstractStreamWriter, + task: "asyncio.Task[None]", + _cls: Type[Request] = Request, + ) -> Request: + return _cls( + message, + payload, + protocol, + writer, + task, + self._loop, + client_max_size=self._client_max_size, + ) + + def _prepare_middleware(self) -> Iterator[Tuple[_Middleware, bool]]: + for m in reversed(self._middlewares): + if getattr(m, "__middleware_version__", None) == 1: + yield m, True + else: + warnings.warn( + 'old-style middleware "{!r}" deprecated, ' "see #2252".format(m), + DeprecationWarning, + stacklevel=2, + ) + yield m, False + + yield _fix_request_current_app(self), True + + async def _handle(self, request: Request) -> StreamResponse: + loop = asyncio.get_event_loop() + debug = loop.get_debug() + match_info = await self._router.resolve(request) + if debug: # pragma: no cover + if not isinstance(match_info, AbstractMatchInfo): + raise TypeError( + "match_info should be AbstractMatchInfo " + "instance, not {!r}".format(match_info) + ) + match_info.add_app(self) + + match_info.freeze() + + resp = None + request._match_info = match_info # type: ignore + expect = request.headers.get(hdrs.EXPECT) + if expect: + resp = await match_info.expect_handler(request) + await request.writer.drain() + + if resp is None: + handler = match_info.handler + + if self._run_middlewares: + for app in match_info.apps[::-1]: + for m, new_style in app._middlewares_handlers: # type: ignore + if new_style: + handler = update_wrapper( + partial(m, handler=handler), handler + ) + else: + handler = await m(app, handler) # type: ignore + + resp = await handler(request) + + return resp + + def __call__(self) -> "Application": + """gunicorn compatibility""" + return self + + def __repr__(self) -> str: + return "".format(id(self)) + + def __bool__(self) -> bool: + return True + + +class CleanupError(RuntimeError): + @property + def exceptions(self) -> List[BaseException]: + return self.args[1] + + +if TYPE_CHECKING: # pragma: no cover + _CleanupContextBase = FrozenList[Callable[[Application], AsyncIterator[None]]] +else: + _CleanupContextBase = FrozenList + + +class CleanupContext(_CleanupContextBase): + def __init__(self) -> None: + super().__init__() + self._exits = [] # type: List[AsyncIterator[None]] + + async def _on_startup(self, app: Application) -> None: + for cb in self: + it = cb(app).__aiter__() + await it.__anext__() + self._exits.append(it) + + async def _on_cleanup(self, app: Application) -> None: + errors = [] + for it in reversed(self._exits): + try: + await it.__anext__() + except StopAsyncIteration: + pass + except Exception as exc: + errors.append(exc) + else: + errors.append(RuntimeError(f"{it!r} has more than one 'yield'")) + if errors: + if len(errors) == 1: + raise errors[0] + else: + raise CleanupError("Multiple errors on cleanup stage", errors) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_exceptions.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_exceptions.py new file mode 100644 index 0000000..2eadca0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_exceptions.py @@ -0,0 +1,441 @@ +import warnings +from typing import Any, Dict, Iterable, List, Optional, Set # noqa + +from yarl import URL + +from .typedefs import LooseHeaders, StrOrURL +from .web_response import Response + +__all__ = ( + "HTTPException", + "HTTPError", + "HTTPRedirection", + "HTTPSuccessful", + "HTTPOk", + "HTTPCreated", + "HTTPAccepted", + "HTTPNonAuthoritativeInformation", + "HTTPNoContent", + "HTTPResetContent", + "HTTPPartialContent", + "HTTPMultipleChoices", + "HTTPMovedPermanently", + "HTTPFound", + "HTTPSeeOther", + "HTTPNotModified", + "HTTPUseProxy", + "HTTPTemporaryRedirect", + "HTTPPermanentRedirect", + "HTTPClientError", + "HTTPBadRequest", + "HTTPUnauthorized", + "HTTPPaymentRequired", + "HTTPForbidden", + "HTTPNotFound", + "HTTPMethodNotAllowed", + "HTTPNotAcceptable", + "HTTPProxyAuthenticationRequired", + "HTTPRequestTimeout", + "HTTPConflict", + "HTTPGone", + "HTTPLengthRequired", + "HTTPPreconditionFailed", + "HTTPRequestEntityTooLarge", + "HTTPRequestURITooLong", + "HTTPUnsupportedMediaType", + "HTTPRequestRangeNotSatisfiable", + "HTTPExpectationFailed", + "HTTPMisdirectedRequest", + "HTTPUnprocessableEntity", + "HTTPFailedDependency", + "HTTPUpgradeRequired", + "HTTPPreconditionRequired", + "HTTPTooManyRequests", + "HTTPRequestHeaderFieldsTooLarge", + "HTTPUnavailableForLegalReasons", + "HTTPServerError", + "HTTPInternalServerError", + "HTTPNotImplemented", + "HTTPBadGateway", + "HTTPServiceUnavailable", + "HTTPGatewayTimeout", + "HTTPVersionNotSupported", + "HTTPVariantAlsoNegotiates", + "HTTPInsufficientStorage", + "HTTPNotExtended", + "HTTPNetworkAuthenticationRequired", +) + + +############################################################ +# HTTP Exceptions +############################################################ + + +class HTTPException(Response, Exception): + + # You should set in subclasses: + # status = 200 + + status_code = -1 + empty_body = False + + __http_exception__ = True + + def __init__( + self, + *, + headers: Optional[LooseHeaders] = None, + reason: Optional[str] = None, + body: Any = None, + text: Optional[str] = None, + content_type: Optional[str] = None, + ) -> None: + if body is not None: + warnings.warn( + "body argument is deprecated for http web exceptions", + DeprecationWarning, + ) + Response.__init__( + self, + status=self.status_code, + headers=headers, + reason=reason, + body=body, + text=text, + content_type=content_type, + ) + Exception.__init__(self, self.reason) + if self.body is None and not self.empty_body: + self.text = f"{self.status}: {self.reason}" + + def __bool__(self) -> bool: + return True + + +class HTTPError(HTTPException): + """Base class for exceptions with status codes in the 400s and 500s.""" + + +class HTTPRedirection(HTTPException): + """Base class for exceptions with status codes in the 300s.""" + + +class HTTPSuccessful(HTTPException): + """Base class for exceptions with status codes in the 200s.""" + + +class HTTPOk(HTTPSuccessful): + status_code = 200 + + +class HTTPCreated(HTTPSuccessful): + status_code = 201 + + +class HTTPAccepted(HTTPSuccessful): + status_code = 202 + + +class HTTPNonAuthoritativeInformation(HTTPSuccessful): + status_code = 203 + + +class HTTPNoContent(HTTPSuccessful): + status_code = 204 + empty_body = True + + +class HTTPResetContent(HTTPSuccessful): + status_code = 205 + empty_body = True + + +class HTTPPartialContent(HTTPSuccessful): + status_code = 206 + + +############################################################ +# 3xx redirection +############################################################ + + +class _HTTPMove(HTTPRedirection): + def __init__( + self, + location: StrOrURL, + *, + headers: Optional[LooseHeaders] = None, + reason: Optional[str] = None, + body: Any = None, + text: Optional[str] = None, + content_type: Optional[str] = None, + ) -> None: + if not location: + raise ValueError("HTTP redirects need a location to redirect to.") + super().__init__( + headers=headers, + reason=reason, + body=body, + text=text, + content_type=content_type, + ) + self.headers["Location"] = str(URL(location)) + self.location = location + + +class HTTPMultipleChoices(_HTTPMove): + status_code = 300 + + +class HTTPMovedPermanently(_HTTPMove): + status_code = 301 + + +class HTTPFound(_HTTPMove): + status_code = 302 + + +# This one is safe after a POST (the redirected location will be +# retrieved with GET): +class HTTPSeeOther(_HTTPMove): + status_code = 303 + + +class HTTPNotModified(HTTPRedirection): + # FIXME: this should include a date or etag header + status_code = 304 + empty_body = True + + +class HTTPUseProxy(_HTTPMove): + # Not a move, but looks a little like one + status_code = 305 + + +class HTTPTemporaryRedirect(_HTTPMove): + status_code = 307 + + +class HTTPPermanentRedirect(_HTTPMove): + status_code = 308 + + +############################################################ +# 4xx client error +############################################################ + + +class HTTPClientError(HTTPError): + pass + + +class HTTPBadRequest(HTTPClientError): + status_code = 400 + + +class HTTPUnauthorized(HTTPClientError): + status_code = 401 + + +class HTTPPaymentRequired(HTTPClientError): + status_code = 402 + + +class HTTPForbidden(HTTPClientError): + status_code = 403 + + +class HTTPNotFound(HTTPClientError): + status_code = 404 + + +class HTTPMethodNotAllowed(HTTPClientError): + status_code = 405 + + def __init__( + self, + method: str, + allowed_methods: Iterable[str], + *, + headers: Optional[LooseHeaders] = None, + reason: Optional[str] = None, + body: Any = None, + text: Optional[str] = None, + content_type: Optional[str] = None, + ) -> None: + allow = ",".join(sorted(allowed_methods)) + super().__init__( + headers=headers, + reason=reason, + body=body, + text=text, + content_type=content_type, + ) + self.headers["Allow"] = allow + self.allowed_methods = set(allowed_methods) # type: Set[str] + self.method = method.upper() + + +class HTTPNotAcceptable(HTTPClientError): + status_code = 406 + + +class HTTPProxyAuthenticationRequired(HTTPClientError): + status_code = 407 + + +class HTTPRequestTimeout(HTTPClientError): + status_code = 408 + + +class HTTPConflict(HTTPClientError): + status_code = 409 + + +class HTTPGone(HTTPClientError): + status_code = 410 + + +class HTTPLengthRequired(HTTPClientError): + status_code = 411 + + +class HTTPPreconditionFailed(HTTPClientError): + status_code = 412 + + +class HTTPRequestEntityTooLarge(HTTPClientError): + status_code = 413 + + def __init__(self, max_size: float, actual_size: float, **kwargs: Any) -> None: + kwargs.setdefault( + "text", + "Maximum request body size {} exceeded, " + "actual body size {}".format(max_size, actual_size), + ) + super().__init__(**kwargs) + + +class HTTPRequestURITooLong(HTTPClientError): + status_code = 414 + + +class HTTPUnsupportedMediaType(HTTPClientError): + status_code = 415 + + +class HTTPRequestRangeNotSatisfiable(HTTPClientError): + status_code = 416 + + +class HTTPExpectationFailed(HTTPClientError): + status_code = 417 + + +class HTTPMisdirectedRequest(HTTPClientError): + status_code = 421 + + +class HTTPUnprocessableEntity(HTTPClientError): + status_code = 422 + + +class HTTPFailedDependency(HTTPClientError): + status_code = 424 + + +class HTTPUpgradeRequired(HTTPClientError): + status_code = 426 + + +class HTTPPreconditionRequired(HTTPClientError): + status_code = 428 + + +class HTTPTooManyRequests(HTTPClientError): + status_code = 429 + + +class HTTPRequestHeaderFieldsTooLarge(HTTPClientError): + status_code = 431 + + +class HTTPUnavailableForLegalReasons(HTTPClientError): + status_code = 451 + + def __init__( + self, + link: str, + *, + headers: Optional[LooseHeaders] = None, + reason: Optional[str] = None, + body: Any = None, + text: Optional[str] = None, + content_type: Optional[str] = None, + ) -> None: + super().__init__( + headers=headers, + reason=reason, + body=body, + text=text, + content_type=content_type, + ) + self.headers["Link"] = '<%s>; rel="blocked-by"' % link + self.link = link + + +############################################################ +# 5xx Server Error +############################################################ +# Response status codes beginning with the digit "5" indicate cases in +# which the server is aware that it has erred or is incapable of +# performing the request. Except when responding to a HEAD request, the +# server SHOULD include an entity containing an explanation of the error +# situation, and whether it is a temporary or permanent condition. User +# agents SHOULD display any included entity to the user. These response +# codes are applicable to any request method. + + +class HTTPServerError(HTTPError): + pass + + +class HTTPInternalServerError(HTTPServerError): + status_code = 500 + + +class HTTPNotImplemented(HTTPServerError): + status_code = 501 + + +class HTTPBadGateway(HTTPServerError): + status_code = 502 + + +class HTTPServiceUnavailable(HTTPServerError): + status_code = 503 + + +class HTTPGatewayTimeout(HTTPServerError): + status_code = 504 + + +class HTTPVersionNotSupported(HTTPServerError): + status_code = 505 + + +class HTTPVariantAlsoNegotiates(HTTPServerError): + status_code = 506 + + +class HTTPInsufficientStorage(HTTPServerError): + status_code = 507 + + +class HTTPNotExtended(HTTPServerError): + status_code = 510 + + +class HTTPNetworkAuthenticationRequired(HTTPServerError): + status_code = 511 diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_fileresponse.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_fileresponse.py new file mode 100644 index 0000000..0737c4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_fileresponse.py @@ -0,0 +1,243 @@ +import asyncio +import mimetypes +import os +import pathlib +import sys +from typing import ( # noqa + IO, + TYPE_CHECKING, + Any, + Awaitable, + Callable, + List, + Optional, + Union, + cast, +) + +from . import hdrs +from .abc import AbstractStreamWriter +from .typedefs import LooseHeaders +from .web_exceptions import ( + HTTPNotModified, + HTTPPartialContent, + HTTPPreconditionFailed, + HTTPRequestRangeNotSatisfiable, +) +from .web_response import StreamResponse + +__all__ = ("FileResponse",) + +if TYPE_CHECKING: # pragma: no cover + from .web_request import BaseRequest + + +_T_OnChunkSent = Optional[Callable[[bytes], Awaitable[None]]] + + +NOSENDFILE = bool(os.environ.get("AIOHTTP_NOSENDFILE")) + + +class FileResponse(StreamResponse): + """A response object can be used to send files.""" + + def __init__( + self, + path: Union[str, pathlib.Path], + chunk_size: int = 256 * 1024, + status: int = 200, + reason: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + ) -> None: + super().__init__(status=status, reason=reason, headers=headers) + + if isinstance(path, str): + path = pathlib.Path(path) + + self._path = path + self._chunk_size = chunk_size + + async def _sendfile_fallback( + self, writer: AbstractStreamWriter, fobj: IO[Any], offset: int, count: int + ) -> AbstractStreamWriter: + # To keep memory usage low,fobj is transferred in chunks + # controlled by the constructor's chunk_size argument. + + chunk_size = self._chunk_size + loop = asyncio.get_event_loop() + + await loop.run_in_executor(None, fobj.seek, offset) + + chunk = await loop.run_in_executor(None, fobj.read, chunk_size) + while chunk: + await writer.write(chunk) + count = count - chunk_size + if count <= 0: + break + chunk = await loop.run_in_executor(None, fobj.read, min(chunk_size, count)) + + await writer.drain() + return writer + + async def _sendfile( + self, request: "BaseRequest", fobj: IO[Any], offset: int, count: int + ) -> AbstractStreamWriter: + writer = await super().prepare(request) + assert writer is not None + + if NOSENDFILE or sys.version_info < (3, 7) or self.compression: + return await self._sendfile_fallback(writer, fobj, offset, count) + + loop = request._loop + transport = request.transport + assert transport is not None + + try: + await loop.sendfile(transport, fobj, offset, count) + except NotImplementedError: + return await self._sendfile_fallback(writer, fobj, offset, count) + + await super().write_eof() + return writer + + async def prepare(self, request: "BaseRequest") -> Optional[AbstractStreamWriter]: + filepath = self._path + + gzip = False + if "gzip" in request.headers.get(hdrs.ACCEPT_ENCODING, ""): + gzip_path = filepath.with_name(filepath.name + ".gz") + + if gzip_path.is_file(): + filepath = gzip_path + gzip = True + + loop = asyncio.get_event_loop() + st = await loop.run_in_executor(None, filepath.stat) + + modsince = request.if_modified_since + if modsince is not None and st.st_mtime <= modsince.timestamp(): + self.set_status(HTTPNotModified.status_code) + self._length_check = False + # Delete any Content-Length headers provided by user. HTTP 304 + # should always have empty response body + return await super().prepare(request) + + unmodsince = request.if_unmodified_since + if unmodsince is not None and st.st_mtime > unmodsince.timestamp(): + self.set_status(HTTPPreconditionFailed.status_code) + return await super().prepare(request) + + if hdrs.CONTENT_TYPE not in self.headers: + ct, encoding = mimetypes.guess_type(str(filepath)) + if not ct: + ct = "application/octet-stream" + should_set_ct = True + else: + encoding = "gzip" if gzip else None + should_set_ct = False + + status = self._status + file_size = st.st_size + count = file_size + + start = None + + ifrange = request.if_range + if ifrange is None or st.st_mtime <= ifrange.timestamp(): + # If-Range header check: + # condition = cached date >= last modification date + # return 206 if True else 200. + # if False: + # Range header would not be processed, return 200 + # if True but Range header missing + # return 200 + try: + rng = request.http_range + start = rng.start + end = rng.stop + except ValueError: + # https://tools.ietf.org/html/rfc7233: + # A server generating a 416 (Range Not Satisfiable) response to + # a byte-range request SHOULD send a Content-Range header field + # with an unsatisfied-range value. + # The complete-length in a 416 response indicates the current + # length of the selected representation. + # + # Will do the same below. Many servers ignore this and do not + # send a Content-Range header with HTTP 416 + self.headers[hdrs.CONTENT_RANGE] = f"bytes */{file_size}" + self.set_status(HTTPRequestRangeNotSatisfiable.status_code) + return await super().prepare(request) + + # If a range request has been made, convert start, end slice + # notation into file pointer offset and count + if start is not None or end is not None: + if start < 0 and end is None: # return tail of file + start += file_size + if start < 0: + # if Range:bytes=-1000 in request header but file size + # is only 200, there would be trouble without this + start = 0 + count = file_size - start + else: + # rfc7233:If the last-byte-pos value is + # absent, or if the value is greater than or equal to + # the current length of the representation data, + # the byte range is interpreted as the remainder + # of the representation (i.e., the server replaces the + # value of last-byte-pos with a value that is one less than + # the current length of the selected representation). + count = ( + min(end if end is not None else file_size, file_size) - start + ) + + if start >= file_size: + # HTTP 416 should be returned in this case. + # + # According to https://tools.ietf.org/html/rfc7233: + # If a valid byte-range-set includes at least one + # byte-range-spec with a first-byte-pos that is less than + # the current length of the representation, or at least one + # suffix-byte-range-spec with a non-zero suffix-length, + # then the byte-range-set is satisfiable. Otherwise, the + # byte-range-set is unsatisfiable. + self.headers[hdrs.CONTENT_RANGE] = f"bytes */{file_size}" + self.set_status(HTTPRequestRangeNotSatisfiable.status_code) + return await super().prepare(request) + + status = HTTPPartialContent.status_code + # Even though you are sending the whole file, you should still + # return a HTTP 206 for a Range request. + self.set_status(status) + + if should_set_ct: + self.content_type = ct # type: ignore + if encoding: + self.headers[hdrs.CONTENT_ENCODING] = encoding + if gzip: + self.headers[hdrs.VARY] = hdrs.ACCEPT_ENCODING + self.last_modified = st.st_mtime # type: ignore + self.content_length = count + + self.headers[hdrs.ACCEPT_RANGES] = "bytes" + + real_start = cast(int, start) + + if status == HTTPPartialContent.status_code: + self.headers[hdrs.CONTENT_RANGE] = "bytes {}-{}/{}".format( + real_start, real_start + count - 1, file_size + ) + + if request.method == hdrs.METH_HEAD or self.status in [204, 304]: + return await super().prepare(request) + + fobj = await loop.run_in_executor(None, filepath.open, "rb") + if start: # be aware that start could be None or int=0 here. + offset = start + else: + offset = 0 + + try: + return await self._sendfile(request, fobj, offset, count) + finally: + await loop.run_in_executor(None, fobj.close) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_log.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_log.py new file mode 100644 index 0000000..4cfa579 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_log.py @@ -0,0 +1,208 @@ +import datetime +import functools +import logging +import os +import re +from collections import namedtuple +from typing import Any, Callable, Dict, Iterable, List, Tuple # noqa + +from .abc import AbstractAccessLogger +from .web_request import BaseRequest +from .web_response import StreamResponse + +KeyMethod = namedtuple("KeyMethod", "key method") + + +class AccessLogger(AbstractAccessLogger): + """Helper object to log access. + + Usage: + log = logging.getLogger("spam") + log_format = "%a %{User-Agent}i" + access_logger = AccessLogger(log, log_format) + access_logger.log(request, response, time) + + Format: + %% The percent sign + %a Remote IP-address (IP-address of proxy if using reverse proxy) + %t Time when the request was started to process + %P The process ID of the child that serviced the request + %r First line of request + %s Response status code + %b Size of response in bytes, including HTTP headers + %T Time taken to serve the request, in seconds + %Tf Time taken to serve the request, in seconds with floating fraction + in .06f format + %D Time taken to serve the request, in microseconds + %{FOO}i request.headers['FOO'] + %{FOO}o response.headers['FOO'] + %{FOO}e os.environ['FOO'] + + """ + + LOG_FORMAT_MAP = { + "a": "remote_address", + "t": "request_start_time", + "P": "process_id", + "r": "first_request_line", + "s": "response_status", + "b": "response_size", + "T": "request_time", + "Tf": "request_time_frac", + "D": "request_time_micro", + "i": "request_header", + "o": "response_header", + } + + LOG_FORMAT = '%a %t "%r" %s %b "%{Referer}i" "%{User-Agent}i"' + FORMAT_RE = re.compile(r"%(\{([A-Za-z0-9\-_]+)\}([ioe])|[atPrsbOD]|Tf?)") + CLEANUP_RE = re.compile(r"(%[^s])") + _FORMAT_CACHE = {} # type: Dict[str, Tuple[str, List[KeyMethod]]] + + def __init__(self, logger: logging.Logger, log_format: str = LOG_FORMAT) -> None: + """Initialise the logger. + + logger is a logger object to be used for logging. + log_format is a string with apache compatible log format description. + + """ + super().__init__(logger, log_format=log_format) + + _compiled_format = AccessLogger._FORMAT_CACHE.get(log_format) + if not _compiled_format: + _compiled_format = self.compile_format(log_format) + AccessLogger._FORMAT_CACHE[log_format] = _compiled_format + + self._log_format, self._methods = _compiled_format + + def compile_format(self, log_format: str) -> Tuple[str, List[KeyMethod]]: + """Translate log_format into form usable by modulo formatting + + All known atoms will be replaced with %s + Also methods for formatting of those atoms will be added to + _methods in appropriate order + + For example we have log_format = "%a %t" + This format will be translated to "%s %s" + Also contents of _methods will be + [self._format_a, self._format_t] + These method will be called and results will be passed + to translated string format. + + Each _format_* method receive 'args' which is list of arguments + given to self.log + + Exceptions are _format_e, _format_i and _format_o methods which + also receive key name (by functools.partial) + + """ + # list of (key, method) tuples, we don't use an OrderedDict as users + # can repeat the same key more than once + methods = list() + + for atom in self.FORMAT_RE.findall(log_format): + if atom[1] == "": + format_key1 = self.LOG_FORMAT_MAP[atom[0]] + m = getattr(AccessLogger, "_format_%s" % atom[0]) + key_method = KeyMethod(format_key1, m) + else: + format_key2 = (self.LOG_FORMAT_MAP[atom[2]], atom[1]) + m = getattr(AccessLogger, "_format_%s" % atom[2]) + key_method = KeyMethod(format_key2, functools.partial(m, atom[1])) + + methods.append(key_method) + + log_format = self.FORMAT_RE.sub(r"%s", log_format) + log_format = self.CLEANUP_RE.sub(r"%\1", log_format) + return log_format, methods + + @staticmethod + def _format_i( + key: str, request: BaseRequest, response: StreamResponse, time: float + ) -> str: + if request is None: + return "(no headers)" + + # suboptimal, make istr(key) once + return request.headers.get(key, "-") + + @staticmethod + def _format_o( + key: str, request: BaseRequest, response: StreamResponse, time: float + ) -> str: + # suboptimal, make istr(key) once + return response.headers.get(key, "-") + + @staticmethod + def _format_a(request: BaseRequest, response: StreamResponse, time: float) -> str: + if request is None: + return "-" + ip = request.remote + return ip if ip is not None else "-" + + @staticmethod + def _format_t(request: BaseRequest, response: StreamResponse, time: float) -> str: + now = datetime.datetime.utcnow() + start_time = now - datetime.timedelta(seconds=time) + return start_time.strftime("[%d/%b/%Y:%H:%M:%S +0000]") + + @staticmethod + def _format_P(request: BaseRequest, response: StreamResponse, time: float) -> str: + return "<%s>" % os.getpid() + + @staticmethod + def _format_r(request: BaseRequest, response: StreamResponse, time: float) -> str: + if request is None: + return "-" + return "{} {} HTTP/{}.{}".format( + request.method, + request.path_qs, + request.version.major, + request.version.minor, + ) + + @staticmethod + def _format_s(request: BaseRequest, response: StreamResponse, time: float) -> int: + return response.status + + @staticmethod + def _format_b(request: BaseRequest, response: StreamResponse, time: float) -> int: + return response.body_length + + @staticmethod + def _format_T(request: BaseRequest, response: StreamResponse, time: float) -> str: + return str(round(time)) + + @staticmethod + def _format_Tf(request: BaseRequest, response: StreamResponse, time: float) -> str: + return "%06f" % time + + @staticmethod + def _format_D(request: BaseRequest, response: StreamResponse, time: float) -> str: + return str(round(time * 1000000)) + + def _format_line( + self, request: BaseRequest, response: StreamResponse, time: float + ) -> Iterable[Tuple[str, Callable[[BaseRequest, StreamResponse, float], str]]]: + return [(key, method(request, response, time)) for key, method in self._methods] + + def log(self, request: BaseRequest, response: StreamResponse, time: float) -> None: + try: + fmt_info = self._format_line(request, response, time) + + values = list() + extra = dict() + for key, value in fmt_info: + values.append(value) + + if key.__class__ is str: + extra[key] = value + else: + k1, k2 = key # type: ignore + dct = extra.get(k1, {}) # type: ignore + dct[k2] = value # type: ignore + extra[k1] = dct # type: ignore + + self.logger.info(self._log_format % tuple(values), extra=extra) + except Exception: + self.logger.exception("Error in logging") diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_middlewares.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_middlewares.py new file mode 100644 index 0000000..8a8967e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_middlewares.py @@ -0,0 +1,121 @@ +import re +from typing import TYPE_CHECKING, Awaitable, Callable, Tuple, Type, TypeVar + +from .web_exceptions import HTTPPermanentRedirect, _HTTPMove +from .web_request import Request +from .web_response import StreamResponse +from .web_urldispatcher import SystemRoute + +__all__ = ( + "middleware", + "normalize_path_middleware", +) + +if TYPE_CHECKING: # pragma: no cover + from .web_app import Application + +_Func = TypeVar("_Func") + + +async def _check_request_resolves(request: Request, path: str) -> Tuple[bool, Request]: + alt_request = request.clone(rel_url=path) + + match_info = await request.app.router.resolve(alt_request) + alt_request._match_info = match_info # type: ignore + + if match_info.http_exception is None: + return True, alt_request + + return False, request + + +def middleware(f: _Func) -> _Func: + f.__middleware_version__ = 1 # type: ignore + return f + + +_Handler = Callable[[Request], Awaitable[StreamResponse]] +_Middleware = Callable[[Request, _Handler], Awaitable[StreamResponse]] + + +def normalize_path_middleware( + *, + append_slash: bool = True, + remove_slash: bool = False, + merge_slashes: bool = True, + redirect_class: Type[_HTTPMove] = HTTPPermanentRedirect +) -> _Middleware: + """ + Middleware factory which produces a middleware that normalizes + the path of a request. By normalizing it means: + + - Add or remove a trailing slash to the path. + - Double slashes are replaced by one. + + The middleware returns as soon as it finds a path that resolves + correctly. The order if both merge and append/remove are enabled is + 1) merge slashes + 2) append/remove slash + 3) both merge slashes and append/remove slash. + If the path resolves with at least one of those conditions, it will + redirect to the new path. + + Only one of `append_slash` and `remove_slash` can be enabled. If both + are `True` the factory will raise an assertion error + + If `append_slash` is `True` the middleware will append a slash when + needed. If a resource is defined with trailing slash and the request + comes without it, it will append it automatically. + + If `remove_slash` is `True`, `append_slash` must be `False`. When enabled + the middleware will remove trailing slashes and redirect if the resource + is defined + + If merge_slashes is True, merge multiple consecutive slashes in the + path into one. + """ + + correct_configuration = not (append_slash and remove_slash) + assert correct_configuration, "Cannot both remove and append slash" + + @middleware + async def impl(request: Request, handler: _Handler) -> StreamResponse: + if isinstance(request.match_info.route, SystemRoute): + paths_to_check = [] + if "?" in request.raw_path: + path, query = request.raw_path.split("?", 1) + query = "?" + query + else: + query = "" + path = request.raw_path + + if merge_slashes: + paths_to_check.append(re.sub("//+", "/", path)) + if append_slash and not request.path.endswith("/"): + paths_to_check.append(path + "/") + if remove_slash and request.path.endswith("/"): + paths_to_check.append(path[:-1]) + if merge_slashes and append_slash: + paths_to_check.append(re.sub("//+", "/", path + "/")) + if merge_slashes and remove_slash: + merged_slashes = re.sub("//+", "/", path) + paths_to_check.append(merged_slashes[:-1]) + + for path in paths_to_check: + path = re.sub("^//+", "/", path) # SECURITY: GHSA-v6wp-4m6f-gcjg + resolves, request = await _check_request_resolves(request, path) + if resolves: + raise redirect_class(request.raw_path + query) + + return await handler(request) + + return impl + + +def _fix_request_current_app(app: "Application") -> _Middleware: + @middleware + async def impl(request: Request, handler: _Handler) -> StreamResponse: + with request.match_info.set_current_app(app): + return await handler(request) + + return impl diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_protocol.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_protocol.py new file mode 100644 index 0000000..8e02bc4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_protocol.py @@ -0,0 +1,667 @@ +import asyncio +import asyncio.streams +import traceback +import warnings +from collections import deque +from contextlib import suppress +from html import escape as html_escape +from http import HTTPStatus +from logging import Logger +from typing import TYPE_CHECKING, Any, Awaitable, Callable, Optional, Tuple, Type, cast + +import yarl + +from .abc import AbstractAccessLogger, AbstractStreamWriter +from .base_protocol import BaseProtocol +from .helpers import CeilTimeout, current_task +from .http import ( + HttpProcessingError, + HttpRequestParser, + HttpVersion10, + RawRequestMessage, + StreamWriter, +) +from .log import access_logger, server_logger +from .streams import EMPTY_PAYLOAD, StreamReader +from .tcp_helpers import tcp_keepalive +from .web_exceptions import HTTPException +from .web_log import AccessLogger +from .web_request import BaseRequest +from .web_response import Response, StreamResponse + +__all__ = ("RequestHandler", "RequestPayloadError", "PayloadAccessError") + +if TYPE_CHECKING: # pragma: no cover + from .web_server import Server + + +_RequestFactory = Callable[ + [ + RawRequestMessage, + StreamReader, + "RequestHandler", + AbstractStreamWriter, + "asyncio.Task[None]", + ], + BaseRequest, +] + +_RequestHandler = Callable[[BaseRequest], Awaitable[StreamResponse]] + + +ERROR = RawRequestMessage( + "UNKNOWN", "/", HttpVersion10, {}, {}, True, False, False, False, yarl.URL("/") +) + + +class RequestPayloadError(Exception): + """Payload parsing error.""" + + +class PayloadAccessError(Exception): + """Payload was accessed after response was sent.""" + + +class RequestHandler(BaseProtocol): + """HTTP protocol implementation. + + RequestHandler handles incoming HTTP request. It reads request line, + request headers and request payload and calls handle_request() method. + By default it always returns with 404 response. + + RequestHandler handles errors in incoming request, like bad + status line, bad headers or incomplete payload. If any error occurs, + connection gets closed. + + :param keepalive_timeout: number of seconds before closing + keep-alive connection + :type keepalive_timeout: int or None + + :param bool tcp_keepalive: TCP keep-alive is on, default is on + + :param bool debug: enable debug mode + + :param logger: custom logger object + :type logger: aiohttp.log.server_logger + + :param access_log_class: custom class for access_logger + :type access_log_class: aiohttp.abc.AbstractAccessLogger + + :param access_log: custom logging object + :type access_log: aiohttp.log.server_logger + + :param str access_log_format: access log format string + + :param loop: Optional event loop + + :param int max_line_size: Optional maximum header line size + + :param int max_field_size: Optional maximum header field size + + :param int max_headers: Optional maximum header size + + """ + + KEEPALIVE_RESCHEDULE_DELAY = 1 + + __slots__ = ( + "_request_count", + "_keepalive", + "_manager", + "_request_handler", + "_request_factory", + "_tcp_keepalive", + "_keepalive_time", + "_keepalive_handle", + "_keepalive_timeout", + "_lingering_time", + "_messages", + "_message_tail", + "_waiter", + "_error_handler", + "_task_handler", + "_upgrade", + "_payload_parser", + "_request_parser", + "_reading_paused", + "logger", + "debug", + "access_log", + "access_logger", + "_close", + "_force_close", + "_current_request", + ) + + def __init__( + self, + manager: "Server", + *, + loop: asyncio.AbstractEventLoop, + keepalive_timeout: float = 75.0, # NGINX default is 75 secs + tcp_keepalive: bool = True, + logger: Logger = server_logger, + access_log_class: Type[AbstractAccessLogger] = AccessLogger, + access_log: Logger = access_logger, + access_log_format: str = AccessLogger.LOG_FORMAT, + debug: bool = False, + max_line_size: int = 8190, + max_headers: int = 32768, + max_field_size: int = 8190, + lingering_time: float = 10.0, + read_bufsize: int = 2 ** 16, + ): + + super().__init__(loop) + + self._request_count = 0 + self._keepalive = False + self._current_request = None # type: Optional[BaseRequest] + self._manager = manager # type: Optional[Server] + self._request_handler = ( + manager.request_handler + ) # type: Optional[_RequestHandler] + self._request_factory = ( + manager.request_factory + ) # type: Optional[_RequestFactory] + + self._tcp_keepalive = tcp_keepalive + # placeholder to be replaced on keepalive timeout setup + self._keepalive_time = 0.0 + self._keepalive_handle = None # type: Optional[asyncio.Handle] + self._keepalive_timeout = keepalive_timeout + self._lingering_time = float(lingering_time) + + self._messages = deque() # type: Any # Python 3.5 has no typing.Deque + self._message_tail = b"" + + self._waiter = None # type: Optional[asyncio.Future[None]] + self._error_handler = None # type: Optional[asyncio.Task[None]] + self._task_handler = None # type: Optional[asyncio.Task[None]] + + self._upgrade = False + self._payload_parser = None # type: Any + self._request_parser = HttpRequestParser( + self, + loop, + read_bufsize, + max_line_size=max_line_size, + max_field_size=max_field_size, + max_headers=max_headers, + payload_exception=RequestPayloadError, + ) # type: Optional[HttpRequestParser] + + self.logger = logger + self.debug = debug + self.access_log = access_log + if access_log: + self.access_logger = access_log_class( + access_log, access_log_format + ) # type: Optional[AbstractAccessLogger] + else: + self.access_logger = None + + self._close = False + self._force_close = False + + def __repr__(self) -> str: + return "<{} {}>".format( + self.__class__.__name__, + "connected" if self.transport is not None else "disconnected", + ) + + @property + def keepalive_timeout(self) -> float: + return self._keepalive_timeout + + async def shutdown(self, timeout: Optional[float] = 15.0) -> None: + """Worker process is about to exit, we need cleanup everything and + stop accepting requests. It is especially important for keep-alive + connections.""" + self._force_close = True + + if self._keepalive_handle is not None: + self._keepalive_handle.cancel() + + if self._waiter: + self._waiter.cancel() + + # wait for handlers + with suppress(asyncio.CancelledError, asyncio.TimeoutError): + with CeilTimeout(timeout, loop=self._loop): + if self._error_handler is not None and not self._error_handler.done(): + await self._error_handler + + if self._current_request is not None: + self._current_request._cancel(asyncio.CancelledError()) + + if self._task_handler is not None and not self._task_handler.done(): + await self._task_handler + + # force-close non-idle handler + if self._task_handler is not None: + self._task_handler.cancel() + + if self.transport is not None: + self.transport.close() + self.transport = None + + def connection_made(self, transport: asyncio.BaseTransport) -> None: + super().connection_made(transport) + + real_transport = cast(asyncio.Transport, transport) + if self._tcp_keepalive: + tcp_keepalive(real_transport) + + self._task_handler = self._loop.create_task(self.start()) + assert self._manager is not None + self._manager.connection_made(self, real_transport) + + def connection_lost(self, exc: Optional[BaseException]) -> None: + if self._manager is None: + return + self._manager.connection_lost(self, exc) + + super().connection_lost(exc) + + self._manager = None + self._force_close = True + self._request_factory = None + self._request_handler = None + self._request_parser = None + + if self._keepalive_handle is not None: + self._keepalive_handle.cancel() + + if self._current_request is not None: + if exc is None: + exc = ConnectionResetError("Connection lost") + self._current_request._cancel(exc) + + if self._error_handler is not None: + self._error_handler.cancel() + if self._task_handler is not None: + self._task_handler.cancel() + if self._waiter is not None: + self._waiter.cancel() + + self._task_handler = None + + if self._payload_parser is not None: + self._payload_parser.feed_eof() + self._payload_parser = None + + def set_parser(self, parser: Any) -> None: + # Actual type is WebReader + assert self._payload_parser is None + + self._payload_parser = parser + + if self._message_tail: + self._payload_parser.feed_data(self._message_tail) + self._message_tail = b"" + + def eof_received(self) -> None: + pass + + def data_received(self, data: bytes) -> None: + if self._force_close or self._close: + return + # parse http messages + if self._payload_parser is None and not self._upgrade: + assert self._request_parser is not None + try: + messages, upgraded, tail = self._request_parser.feed_data(data) + except HttpProcessingError as exc: + # something happened during parsing + self._error_handler = self._loop.create_task( + self.handle_parse_error( + StreamWriter(self, self._loop), 400, exc, exc.message + ) + ) + self.close() + except Exception as exc: + # 500: internal error + self._error_handler = self._loop.create_task( + self.handle_parse_error(StreamWriter(self, self._loop), 500, exc) + ) + self.close() + else: + if messages: + # sometimes the parser returns no messages + for (msg, payload) in messages: + self._request_count += 1 + self._messages.append((msg, payload)) + + waiter = self._waiter + if waiter is not None: + if not waiter.done(): + # don't set result twice + waiter.set_result(None) + + self._upgrade = upgraded + if upgraded and tail: + self._message_tail = tail + + # no parser, just store + elif self._payload_parser is None and self._upgrade and data: + self._message_tail += data + + # feed payload + elif data: + eof, tail = self._payload_parser.feed_data(data) + if eof: + self.close() + + def keep_alive(self, val: bool) -> None: + """Set keep-alive connection mode. + + :param bool val: new state. + """ + self._keepalive = val + if self._keepalive_handle: + self._keepalive_handle.cancel() + self._keepalive_handle = None + + def close(self) -> None: + """Stop accepting new pipelinig messages and close + connection when handlers done processing messages""" + self._close = True + if self._waiter: + self._waiter.cancel() + + def force_close(self) -> None: + """Force close connection""" + self._force_close = True + if self._waiter: + self._waiter.cancel() + if self.transport is not None: + self.transport.close() + self.transport = None + + def log_access( + self, request: BaseRequest, response: StreamResponse, time: float + ) -> None: + if self.access_logger is not None: + self.access_logger.log(request, response, self._loop.time() - time) + + def log_debug(self, *args: Any, **kw: Any) -> None: + if self.debug: + self.logger.debug(*args, **kw) + + def log_exception(self, *args: Any, **kw: Any) -> None: + self.logger.exception(*args, **kw) + + def _process_keepalive(self) -> None: + if self._force_close or not self._keepalive: + return + + next = self._keepalive_time + self._keepalive_timeout + + # handler in idle state + if self._waiter: + if self._loop.time() > next: + self.force_close() + return + + # not all request handlers are done, + # reschedule itself to next second + self._keepalive_handle = self._loop.call_later( + self.KEEPALIVE_RESCHEDULE_DELAY, self._process_keepalive + ) + + async def _handle_request( + self, + request: BaseRequest, + start_time: float, + ) -> Tuple[StreamResponse, bool]: + assert self._request_handler is not None + try: + try: + self._current_request = request + resp = await self._request_handler(request) + finally: + self._current_request = None + except HTTPException as exc: + resp = Response( + status=exc.status, reason=exc.reason, text=exc.text, headers=exc.headers + ) + reset = await self.finish_response(request, resp, start_time) + except asyncio.CancelledError: + raise + except asyncio.TimeoutError as exc: + self.log_debug("Request handler timed out.", exc_info=exc) + resp = self.handle_error(request, 504) + reset = await self.finish_response(request, resp, start_time) + except Exception as exc: + resp = self.handle_error(request, 500, exc) + reset = await self.finish_response(request, resp, start_time) + else: + reset = await self.finish_response(request, resp, start_time) + + return resp, reset + + async def start(self) -> None: + """Process incoming request. + + It reads request line, request headers and request payload, then + calls handle_request() method. Subclass has to override + handle_request(). start() handles various exceptions in request + or response handling. Connection is being closed always unless + keep_alive(True) specified. + """ + loop = self._loop + handler = self._task_handler + assert handler is not None + manager = self._manager + assert manager is not None + keepalive_timeout = self._keepalive_timeout + resp = None + assert self._request_factory is not None + assert self._request_handler is not None + + while not self._force_close: + if not self._messages: + try: + # wait for next request + self._waiter = loop.create_future() + await self._waiter + except asyncio.CancelledError: + break + finally: + self._waiter = None + + message, payload = self._messages.popleft() + + start = loop.time() + + manager.requests_count += 1 + writer = StreamWriter(self, loop) + request = self._request_factory(message, payload, self, writer, handler) + try: + # a new task is used for copy context vars (#3406) + task = self._loop.create_task(self._handle_request(request, start)) + try: + resp, reset = await task + except (asyncio.CancelledError, ConnectionError): + self.log_debug("Ignored premature client disconnection") + break + # Deprecation warning (See #2415) + if getattr(resp, "__http_exception__", False): + warnings.warn( + "returning HTTPException object is deprecated " + "(#2415) and will be removed, " + "please raise the exception instead", + DeprecationWarning, + ) + + # Drop the processed task from asyncio.Task.all_tasks() early + del task + if reset: + self.log_debug("Ignored premature client disconnection 2") + break + + # notify server about keep-alive + self._keepalive = bool(resp.keep_alive) + + # check payload + if not payload.is_eof(): + lingering_time = self._lingering_time + if not self._force_close and lingering_time: + self.log_debug( + "Start lingering close timer for %s sec.", lingering_time + ) + + now = loop.time() + end_t = now + lingering_time + + with suppress(asyncio.TimeoutError, asyncio.CancelledError): + while not payload.is_eof() and now < end_t: + with CeilTimeout(end_t - now, loop=loop): + # read and ignore + await payload.readany() + now = loop.time() + + # if payload still uncompleted + if not payload.is_eof() and not self._force_close: + self.log_debug("Uncompleted request.") + self.close() + + payload.set_exception(PayloadAccessError()) + + except asyncio.CancelledError: + self.log_debug("Ignored premature client disconnection ") + break + except RuntimeError as exc: + if self.debug: + self.log_exception("Unhandled runtime exception", exc_info=exc) + self.force_close() + except Exception as exc: + self.log_exception("Unhandled exception", exc_info=exc) + self.force_close() + finally: + if self.transport is None and resp is not None: + self.log_debug("Ignored premature client disconnection.") + elif not self._force_close: + if self._keepalive and not self._close: + # start keep-alive timer + if keepalive_timeout is not None: + now = self._loop.time() + self._keepalive_time = now + if self._keepalive_handle is None: + self._keepalive_handle = loop.call_at( + now + keepalive_timeout, self._process_keepalive + ) + else: + break + + # remove handler, close transport if no handlers left + if not self._force_close: + self._task_handler = None + if self.transport is not None and self._error_handler is None: + self.transport.close() + + async def finish_response( + self, request: BaseRequest, resp: StreamResponse, start_time: float + ) -> bool: + """ + Prepare the response and write_eof, then log access. This has to + be called within the context of any exception so the access logger + can get exception information. Returns True if the client disconnects + prematurely. + """ + if self._request_parser is not None: + self._request_parser.set_upgraded(False) + self._upgrade = False + if self._message_tail: + self._request_parser.feed_data(self._message_tail) + self._message_tail = b"" + try: + prepare_meth = resp.prepare + except AttributeError: + if resp is None: + raise RuntimeError("Missing return " "statement on request handler") + else: + raise RuntimeError( + "Web-handler should return " + "a response instance, " + "got {!r}".format(resp) + ) + try: + await prepare_meth(request) + await resp.write_eof() + except ConnectionError: + self.log_access(request, resp, start_time) + return True + else: + self.log_access(request, resp, start_time) + return False + + def handle_error( + self, + request: BaseRequest, + status: int = 500, + exc: Optional[BaseException] = None, + message: Optional[str] = None, + ) -> StreamResponse: + """Handle errors. + + Returns HTTP response with specific status code. Logs additional + information. It always closes current connection.""" + self.log_exception("Error handling request", exc_info=exc) + + ct = "text/plain" + if status == HTTPStatus.INTERNAL_SERVER_ERROR: + title = "{0.value} {0.phrase}".format(HTTPStatus.INTERNAL_SERVER_ERROR) + msg = HTTPStatus.INTERNAL_SERVER_ERROR.description + tb = None + if self.debug: + with suppress(Exception): + tb = traceback.format_exc() + + if "text/html" in request.headers.get("Accept", ""): + if tb: + tb = html_escape(tb) + msg = f"

Traceback:

\n
{tb}
" + message = ( + "" + "{title}" + "\n

{title}

" + "\n{msg}\n\n" + ).format(title=title, msg=msg) + ct = "text/html" + else: + if tb: + msg = tb + message = title + "\n\n" + msg + + resp = Response(status=status, text=message, content_type=ct) + resp.force_close() + + # some data already got sent, connection is broken + if request.writer.output_size > 0 or self.transport is None: + self.force_close() + + return resp + + async def handle_parse_error( + self, + writer: AbstractStreamWriter, + status: int, + exc: Optional[BaseException] = None, + message: Optional[str] = None, + ) -> None: + task = current_task() + assert task is not None + request = BaseRequest( + ERROR, EMPTY_PAYLOAD, self, writer, task, self._loop # type: ignore + ) + + resp = self.handle_error(request, status, exc, message) + await resp.prepare(request) + await resp.write_eof() + + if self.transport is not None: + self.transport.close() + + self._error_handler = None diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_request.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_request.py new file mode 100644 index 0000000..f11e7be --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_request.py @@ -0,0 +1,824 @@ +import asyncio +import datetime +import io +import re +import socket +import string +import tempfile +import types +import warnings +from email.utils import parsedate +from http.cookies import SimpleCookie +from types import MappingProxyType +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterator, + Mapping, + MutableMapping, + Optional, + Tuple, + Union, + cast, +) +from urllib.parse import parse_qsl + +import attr +from multidict import CIMultiDict, CIMultiDictProxy, MultiDict, MultiDictProxy +from yarl import URL + +from . import hdrs +from .abc import AbstractStreamWriter +from .helpers import DEBUG, ChainMapProxy, HeadersMixin, reify, sentinel +from .http_parser import RawRequestMessage +from .http_writer import HttpVersion +from .multipart import BodyPartReader, MultipartReader +from .streams import EmptyStreamReader, StreamReader +from .typedefs import ( + DEFAULT_JSON_DECODER, + JSONDecoder, + LooseHeaders, + RawHeaders, + StrOrURL, +) +from .web_exceptions import HTTPRequestEntityTooLarge +from .web_response import StreamResponse + +__all__ = ("BaseRequest", "FileField", "Request") + + +if TYPE_CHECKING: # pragma: no cover + from .web_app import Application + from .web_protocol import RequestHandler + from .web_urldispatcher import UrlMappingMatchInfo + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class FileField: + name: str + filename: str + file: io.BufferedReader + content_type: str + headers: "CIMultiDictProxy[str]" + + +_TCHAR = string.digits + string.ascii_letters + r"!#$%&'*+.^_`|~-" +# '-' at the end to prevent interpretation as range in a char class + +_TOKEN = fr"[{_TCHAR}]+" + +_QDTEXT = r"[{}]".format( + r"".join(chr(c) for c in (0x09, 0x20, 0x21) + tuple(range(0x23, 0x7F))) +) +# qdtext includes 0x5C to escape 0x5D ('\]') +# qdtext excludes obs-text (because obsoleted, and encoding not specified) + +_QUOTED_PAIR = r"\\[\t !-~]" + +_QUOTED_STRING = r'"(?:{quoted_pair}|{qdtext})*"'.format( + qdtext=_QDTEXT, quoted_pair=_QUOTED_PAIR +) + +_FORWARDED_PAIR = r"({token})=({token}|{quoted_string})(:\d{{1,4}})?".format( + token=_TOKEN, quoted_string=_QUOTED_STRING +) + +_QUOTED_PAIR_REPLACE_RE = re.compile(r"\\([\t !-~])") +# same pattern as _QUOTED_PAIR but contains a capture group + +_FORWARDED_PAIR_RE = re.compile(_FORWARDED_PAIR) + +############################################################ +# HTTP Request +############################################################ + + +class BaseRequest(MutableMapping[str, Any], HeadersMixin): + + POST_METHODS = { + hdrs.METH_PATCH, + hdrs.METH_POST, + hdrs.METH_PUT, + hdrs.METH_TRACE, + hdrs.METH_DELETE, + } + + ATTRS = HeadersMixin.ATTRS | frozenset( + [ + "_message", + "_protocol", + "_payload_writer", + "_payload", + "_headers", + "_method", + "_version", + "_rel_url", + "_post", + "_read_bytes", + "_state", + "_cache", + "_task", + "_client_max_size", + "_loop", + "_transport_sslcontext", + "_transport_peername", + ] + ) + + def __init__( + self, + message: RawRequestMessage, + payload: StreamReader, + protocol: "RequestHandler", + payload_writer: AbstractStreamWriter, + task: "asyncio.Task[None]", + loop: asyncio.AbstractEventLoop, + *, + client_max_size: int = 1024 ** 2, + state: Optional[Dict[str, Any]] = None, + scheme: Optional[str] = None, + host: Optional[str] = None, + remote: Optional[str] = None, + ) -> None: + if state is None: + state = {} + self._message = message + self._protocol = protocol + self._payload_writer = payload_writer + + self._payload = payload + self._headers = message.headers + self._method = message.method + self._version = message.version + self._rel_url = message.url + self._post = ( + None + ) # type: Optional[MultiDictProxy[Union[str, bytes, FileField]]] + self._read_bytes = None # type: Optional[bytes] + + self._state = state + self._cache = {} # type: Dict[str, Any] + self._task = task + self._client_max_size = client_max_size + self._loop = loop + + transport = self._protocol.transport + assert transport is not None + self._transport_sslcontext = transport.get_extra_info("sslcontext") + self._transport_peername = transport.get_extra_info("peername") + + if scheme is not None: + self._cache["scheme"] = scheme + if host is not None: + self._cache["host"] = host + if remote is not None: + self._cache["remote"] = remote + + def clone( + self, + *, + method: str = sentinel, + rel_url: StrOrURL = sentinel, + headers: LooseHeaders = sentinel, + scheme: str = sentinel, + host: str = sentinel, + remote: str = sentinel, + ) -> "BaseRequest": + """Clone itself with replacement some attributes. + + Creates and returns a new instance of Request object. If no parameters + are given, an exact copy is returned. If a parameter is not passed, it + will reuse the one from the current request object. + + """ + + if self._read_bytes: + raise RuntimeError("Cannot clone request " "after reading its content") + + dct = {} # type: Dict[str, Any] + if method is not sentinel: + dct["method"] = method + if rel_url is not sentinel: + new_url = URL(rel_url) + dct["url"] = new_url + dct["path"] = str(new_url) + if headers is not sentinel: + # a copy semantic + dct["headers"] = CIMultiDictProxy(CIMultiDict(headers)) + dct["raw_headers"] = tuple( + (k.encode("utf-8"), v.encode("utf-8")) for k, v in headers.items() + ) + + message = self._message._replace(**dct) + + kwargs = {} + if scheme is not sentinel: + kwargs["scheme"] = scheme + if host is not sentinel: + kwargs["host"] = host + if remote is not sentinel: + kwargs["remote"] = remote + + return self.__class__( + message, + self._payload, + self._protocol, + self._payload_writer, + self._task, + self._loop, + client_max_size=self._client_max_size, + state=self._state.copy(), + **kwargs, + ) + + @property + def task(self) -> "asyncio.Task[None]": + return self._task + + @property + def protocol(self) -> "RequestHandler": + return self._protocol + + @property + def transport(self) -> Optional[asyncio.Transport]: + if self._protocol is None: + return None + return self._protocol.transport + + @property + def writer(self) -> AbstractStreamWriter: + return self._payload_writer + + @reify + def message(self) -> RawRequestMessage: + warnings.warn("Request.message is deprecated", DeprecationWarning, stacklevel=3) + return self._message + + @reify + def rel_url(self) -> URL: + return self._rel_url + + @reify + def loop(self) -> asyncio.AbstractEventLoop: + warnings.warn( + "request.loop property is deprecated", DeprecationWarning, stacklevel=2 + ) + return self._loop + + # MutableMapping API + + def __getitem__(self, key: str) -> Any: + return self._state[key] + + def __setitem__(self, key: str, value: Any) -> None: + self._state[key] = value + + def __delitem__(self, key: str) -> None: + del self._state[key] + + def __len__(self) -> int: + return len(self._state) + + def __iter__(self) -> Iterator[str]: + return iter(self._state) + + ######## + + @reify + def secure(self) -> bool: + """A bool indicating if the request is handled with SSL.""" + return self.scheme == "https" + + @reify + def forwarded(self) -> Tuple[Mapping[str, str], ...]: + """A tuple containing all parsed Forwarded header(s). + + Makes an effort to parse Forwarded headers as specified by RFC 7239: + + - It adds one (immutable) dictionary per Forwarded 'field-value', ie + per proxy. The element corresponds to the data in the Forwarded + field-value added by the first proxy encountered by the client. Each + subsequent item corresponds to those added by later proxies. + - It checks that every value has valid syntax in general as specified + in section 4: either a 'token' or a 'quoted-string'. + - It un-escapes found escape sequences. + - It does NOT validate 'by' and 'for' contents as specified in section + 6. + - It does NOT validate 'host' contents (Host ABNF). + - It does NOT validate 'proto' contents for valid URI scheme names. + + Returns a tuple containing one or more immutable dicts + """ + elems = [] + for field_value in self._message.headers.getall(hdrs.FORWARDED, ()): + length = len(field_value) + pos = 0 + need_separator = False + elem = {} # type: Dict[str, str] + elems.append(types.MappingProxyType(elem)) + while 0 <= pos < length: + match = _FORWARDED_PAIR_RE.match(field_value, pos) + if match is not None: # got a valid forwarded-pair + if need_separator: + # bad syntax here, skip to next comma + pos = field_value.find(",", pos) + else: + name, value, port = match.groups() + if value[0] == '"': + # quoted string: remove quotes and unescape + value = _QUOTED_PAIR_REPLACE_RE.sub(r"\1", value[1:-1]) + if port: + value += port + elem[name.lower()] = value + pos += len(match.group(0)) + need_separator = True + elif field_value[pos] == ",": # next forwarded-element + need_separator = False + elem = {} + elems.append(types.MappingProxyType(elem)) + pos += 1 + elif field_value[pos] == ";": # next forwarded-pair + need_separator = False + pos += 1 + elif field_value[pos] in " \t": + # Allow whitespace even between forwarded-pairs, though + # RFC 7239 doesn't. This simplifies code and is in line + # with Postel's law. + pos += 1 + else: + # bad syntax here, skip to next comma + pos = field_value.find(",", pos) + return tuple(elems) + + @reify + def scheme(self) -> str: + """A string representing the scheme of the request. + + Hostname is resolved in this order: + + - overridden value by .clone(scheme=new_scheme) call. + - type of connection to peer: HTTPS if socket is SSL, HTTP otherwise. + + 'http' or 'https'. + """ + if self._transport_sslcontext: + return "https" + else: + return "http" + + @reify + def method(self) -> str: + """Read only property for getting HTTP method. + + The value is upper-cased str like 'GET', 'POST', 'PUT' etc. + """ + return self._method + + @reify + def version(self) -> HttpVersion: + """Read only property for getting HTTP version of request. + + Returns aiohttp.protocol.HttpVersion instance. + """ + return self._version + + @reify + def host(self) -> str: + """Hostname of the request. + + Hostname is resolved in this order: + + - overridden value by .clone(host=new_host) call. + - HOST HTTP header + - socket.getfqdn() value + """ + host = self._message.headers.get(hdrs.HOST) + if host is not None: + return host + else: + return socket.getfqdn() + + @reify + def remote(self) -> Optional[str]: + """Remote IP of client initiated HTTP request. + + The IP is resolved in this order: + + - overridden value by .clone(remote=new_remote) call. + - peername of opened socket + """ + if isinstance(self._transport_peername, (list, tuple)): + return self._transport_peername[0] + else: + return self._transport_peername + + @reify + def url(self) -> URL: + url = URL.build(scheme=self.scheme, host=self.host) + return url.join(self._rel_url) + + @reify + def path(self) -> str: + """The URL including *PATH INFO* without the host or scheme. + + E.g., ``/app/blog`` + """ + return self._rel_url.path + + @reify + def path_qs(self) -> str: + """The URL including PATH_INFO and the query string. + + E.g, /app/blog?id=10 + """ + return str(self._rel_url) + + @reify + def raw_path(self) -> str: + """The URL including raw *PATH INFO* without the host or scheme. + Warning, the path is unquoted and may contains non valid URL characters + + E.g., ``/my%2Fpath%7Cwith%21some%25strange%24characters`` + """ + return self._message.path + + @reify + def query(self) -> "MultiDictProxy[str]": + """A multidict with all the variables in the query string.""" + return self._rel_url.query + + @reify + def query_string(self) -> str: + """The query string in the URL. + + E.g., id=10 + """ + return self._rel_url.query_string + + @reify + def headers(self) -> "CIMultiDictProxy[str]": + """A case-insensitive multidict proxy with all headers.""" + return self._headers + + @reify + def raw_headers(self) -> RawHeaders: + """A sequence of pairs for all headers.""" + return self._message.raw_headers + + @staticmethod + def _http_date(_date_str: Optional[str]) -> Optional[datetime.datetime]: + """Process a date string, return a datetime object""" + if _date_str is not None: + timetuple = parsedate(_date_str) + if timetuple is not None: + return datetime.datetime(*timetuple[:6], tzinfo=datetime.timezone.utc) + return None + + @reify + def if_modified_since(self) -> Optional[datetime.datetime]: + """The value of If-Modified-Since HTTP header, or None. + + This header is represented as a `datetime` object. + """ + return self._http_date(self.headers.get(hdrs.IF_MODIFIED_SINCE)) + + @reify + def if_unmodified_since(self) -> Optional[datetime.datetime]: + """The value of If-Unmodified-Since HTTP header, or None. + + This header is represented as a `datetime` object. + """ + return self._http_date(self.headers.get(hdrs.IF_UNMODIFIED_SINCE)) + + @reify + def if_range(self) -> Optional[datetime.datetime]: + """The value of If-Range HTTP header, or None. + + This header is represented as a `datetime` object. + """ + return self._http_date(self.headers.get(hdrs.IF_RANGE)) + + @reify + def keep_alive(self) -> bool: + """Is keepalive enabled by client?""" + return not self._message.should_close + + @reify + def cookies(self) -> Mapping[str, str]: + """Return request cookies. + + A read-only dictionary-like object. + """ + raw = self.headers.get(hdrs.COOKIE, "") + parsed = SimpleCookie(raw) # type: SimpleCookie[str] + return MappingProxyType({key: val.value for key, val in parsed.items()}) + + @reify + def http_range(self) -> slice: + """The content of Range HTTP header. + + Return a slice instance. + + """ + rng = self._headers.get(hdrs.RANGE) + start, end = None, None + if rng is not None: + try: + pattern = r"^bytes=(\d*)-(\d*)$" + start, end = re.findall(pattern, rng)[0] + except IndexError: # pattern was not found in header + raise ValueError("range not in acceptable format") + + end = int(end) if end else None + start = int(start) if start else None + + if start is None and end is not None: + # end with no start is to return tail of content + start = -end + end = None + + if start is not None and end is not None: + # end is inclusive in range header, exclusive for slice + end += 1 + + if start >= end: + raise ValueError("start cannot be after end") + + if start is end is None: # No valid range supplied + raise ValueError("No start or end of range specified") + + return slice(start, end, 1) + + @reify + def content(self) -> StreamReader: + """Return raw payload stream.""" + return self._payload + + @property + def has_body(self) -> bool: + """Return True if request's HTTP BODY can be read, False otherwise.""" + warnings.warn( + "Deprecated, use .can_read_body #2005", DeprecationWarning, stacklevel=2 + ) + return not self._payload.at_eof() + + @property + def can_read_body(self) -> bool: + """Return True if request's HTTP BODY can be read, False otherwise.""" + return not self._payload.at_eof() + + @reify + def body_exists(self) -> bool: + """Return True if request has HTTP BODY, False otherwise.""" + return type(self._payload) is not EmptyStreamReader + + async def release(self) -> None: + """Release request. + + Eat unread part of HTTP BODY if present. + """ + while not self._payload.at_eof(): + await self._payload.readany() + + async def read(self) -> bytes: + """Read request body if present. + + Returns bytes object with full request content. + """ + if self._read_bytes is None: + body = bytearray() + while True: + chunk = await self._payload.readany() + body.extend(chunk) + if self._client_max_size: + body_size = len(body) + if body_size >= self._client_max_size: + raise HTTPRequestEntityTooLarge( + max_size=self._client_max_size, actual_size=body_size + ) + if not chunk: + break + self._read_bytes = bytes(body) + return self._read_bytes + + async def text(self) -> str: + """Return BODY as text using encoding from .charset.""" + bytes_body = await self.read() + encoding = self.charset or "utf-8" + return bytes_body.decode(encoding) + + async def json(self, *, loads: JSONDecoder = DEFAULT_JSON_DECODER) -> Any: + """Return BODY as JSON.""" + body = await self.text() + return loads(body) + + async def multipart(self) -> MultipartReader: + """Return async iterator to process BODY as multipart.""" + return MultipartReader(self._headers, self._payload) + + async def post(self) -> "MultiDictProxy[Union[str, bytes, FileField]]": + """Return POST parameters.""" + if self._post is not None: + return self._post + if self._method not in self.POST_METHODS: + self._post = MultiDictProxy(MultiDict()) + return self._post + + content_type = self.content_type + if content_type not in ( + "", + "application/x-www-form-urlencoded", + "multipart/form-data", + ): + self._post = MultiDictProxy(MultiDict()) + return self._post + + out = MultiDict() # type: MultiDict[Union[str, bytes, FileField]] + + if content_type == "multipart/form-data": + multipart = await self.multipart() + max_size = self._client_max_size + + field = await multipart.next() + while field is not None: + size = 0 + field_ct = field.headers.get(hdrs.CONTENT_TYPE) + + if isinstance(field, BodyPartReader): + assert field.name is not None + + # Note that according to RFC 7578, the Content-Type header + # is optional, even for files, so we can't assume it's + # present. + # https://tools.ietf.org/html/rfc7578#section-4.4 + if field.filename: + # store file in temp file + tmp = tempfile.TemporaryFile() + chunk = await field.read_chunk(size=2 ** 16) + while chunk: + chunk = field.decode(chunk) + tmp.write(chunk) + size += len(chunk) + if 0 < max_size < size: + raise HTTPRequestEntityTooLarge( + max_size=max_size, actual_size=size + ) + chunk = await field.read_chunk(size=2 ** 16) + tmp.seek(0) + + if field_ct is None: + field_ct = "application/octet-stream" + + ff = FileField( + field.name, + field.filename, + cast(io.BufferedReader, tmp), + field_ct, + field.headers, + ) + out.add(field.name, ff) + else: + # deal with ordinary data + value = await field.read(decode=True) + if field_ct is None or field_ct.startswith("text/"): + charset = field.get_charset(default="utf-8") + out.add(field.name, value.decode(charset)) + else: + out.add(field.name, value) + size += len(value) + if 0 < max_size < size: + raise HTTPRequestEntityTooLarge( + max_size=max_size, actual_size=size + ) + else: + raise ValueError( + "To decode nested multipart you need " "to use custom reader", + ) + + field = await multipart.next() + else: + data = await self.read() + if data: + charset = self.charset or "utf-8" + out.extend( + parse_qsl( + data.rstrip().decode(charset), + keep_blank_values=True, + encoding=charset, + ) + ) + + self._post = MultiDictProxy(out) + return self._post + + def get_extra_info(self, name: str, default: Any = None) -> Any: + """Extra info from protocol transport""" + protocol = self._protocol + if protocol is None: + return default + + transport = protocol.transport + if transport is None: + return default + + return transport.get_extra_info(name, default) + + def __repr__(self) -> str: + ascii_encodable_path = self.path.encode("ascii", "backslashreplace").decode( + "ascii" + ) + return "<{} {} {} >".format( + self.__class__.__name__, self._method, ascii_encodable_path + ) + + def __eq__(self, other: object) -> bool: + return id(self) == id(other) + + def __bool__(self) -> bool: + return True + + async def _prepare_hook(self, response: StreamResponse) -> None: + return + + def _cancel(self, exc: BaseException) -> None: + self._payload.set_exception(exc) + + +class Request(BaseRequest): + + ATTRS = BaseRequest.ATTRS | frozenset(["_match_info"]) + + def __init__(self, *args: Any, **kwargs: Any) -> None: + super().__init__(*args, **kwargs) + + # matchdict, route_name, handler + # or information about traversal lookup + + # initialized after route resolving + self._match_info = None # type: Optional[UrlMappingMatchInfo] + + if DEBUG: + + def __setattr__(self, name: str, val: Any) -> None: + if name not in self.ATTRS: + warnings.warn( + "Setting custom {}.{} attribute " + "is discouraged".format(self.__class__.__name__, name), + DeprecationWarning, + stacklevel=2, + ) + super().__setattr__(name, val) + + def clone( + self, + *, + method: str = sentinel, + rel_url: StrOrURL = sentinel, + headers: LooseHeaders = sentinel, + scheme: str = sentinel, + host: str = sentinel, + remote: str = sentinel, + ) -> "Request": + ret = super().clone( + method=method, + rel_url=rel_url, + headers=headers, + scheme=scheme, + host=host, + remote=remote, + ) + new_ret = cast(Request, ret) + new_ret._match_info = self._match_info + return new_ret + + @reify + def match_info(self) -> "UrlMappingMatchInfo": + """Result of route resolving.""" + match_info = self._match_info + assert match_info is not None + return match_info + + @property + def app(self) -> "Application": + """Application instance.""" + match_info = self._match_info + assert match_info is not None + return match_info.current_app + + @property + def config_dict(self) -> ChainMapProxy: + match_info = self._match_info + assert match_info is not None + lst = match_info.apps + app = self.app + idx = lst.index(app) + sublist = list(reversed(lst[: idx + 1])) + return ChainMapProxy(sublist) + + async def _prepare_hook(self, response: StreamResponse) -> None: + match_info = self._match_info + if match_info is None: + return + for app in match_info._apps: + await app.on_response_prepare.send(self, response) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_response.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_response.py new file mode 100644 index 0000000..f34b00e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_response.py @@ -0,0 +1,781 @@ +import asyncio +import collections.abc +import datetime +import enum +import json +import math +import time +import warnings +import zlib +from concurrent.futures import Executor +from email.utils import parsedate +from http.cookies import Morsel, SimpleCookie +from typing import ( + TYPE_CHECKING, + Any, + Dict, + Iterator, + Mapping, + MutableMapping, + Optional, + Tuple, + Union, + cast, +) + +from multidict import CIMultiDict, istr + +from . import hdrs, payload +from .abc import AbstractStreamWriter +from .helpers import PY_38, HeadersMixin, rfc822_formatted_time, sentinel +from .http import RESPONSES, SERVER_SOFTWARE, HttpVersion10, HttpVersion11 +from .payload import Payload +from .typedefs import JSONEncoder, LooseHeaders + +__all__ = ("ContentCoding", "StreamResponse", "Response", "json_response") + + +if TYPE_CHECKING: # pragma: no cover + from .web_request import BaseRequest + + BaseClass = MutableMapping[str, Any] +else: + BaseClass = collections.abc.MutableMapping + + +if not PY_38: + # allow samesite to be used in python < 3.8 + # already permitted in python 3.8, see https://bugs.python.org/issue29613 + Morsel._reserved["samesite"] = "SameSite" # type: ignore + + +class ContentCoding(enum.Enum): + # The content codings that we have support for. + # + # Additional registered codings are listed at: + # https://www.iana.org/assignments/http-parameters/http-parameters.xhtml#content-coding + deflate = "deflate" + gzip = "gzip" + identity = "identity" + + +############################################################ +# HTTP Response classes +############################################################ + + +class StreamResponse(BaseClass, HeadersMixin): + + _length_check = True + + def __init__( + self, + *, + status: int = 200, + reason: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + ) -> None: + self._body = None + self._keep_alive = None # type: Optional[bool] + self._chunked = False + self._compression = False + self._compression_force = None # type: Optional[ContentCoding] + self._cookies = SimpleCookie() # type: SimpleCookie[str] + + self._req = None # type: Optional[BaseRequest] + self._payload_writer = None # type: Optional[AbstractStreamWriter] + self._eof_sent = False + self._body_length = 0 + self._state = {} # type: Dict[str, Any] + + if headers is not None: + self._headers = CIMultiDict(headers) # type: CIMultiDict[str] + else: + self._headers = CIMultiDict() + + self.set_status(status, reason) + + @property + def prepared(self) -> bool: + return self._payload_writer is not None + + @property + def task(self) -> "asyncio.Task[None]": + return getattr(self._req, "task", None) + + @property + def status(self) -> int: + return self._status + + @property + def chunked(self) -> bool: + return self._chunked + + @property + def compression(self) -> bool: + return self._compression + + @property + def reason(self) -> str: + return self._reason + + def set_status( + self, + status: int, + reason: Optional[str] = None, + _RESPONSES: Mapping[int, Tuple[str, str]] = RESPONSES, + ) -> None: + assert not self.prepared, ( + "Cannot change the response status code after " "the headers have been sent" + ) + self._status = int(status) + if reason is None: + try: + reason = _RESPONSES[self._status][0] + except Exception: + reason = "" + self._reason = reason + + @property + def keep_alive(self) -> Optional[bool]: + return self._keep_alive + + def force_close(self) -> None: + self._keep_alive = False + + @property + def body_length(self) -> int: + return self._body_length + + @property + def output_length(self) -> int: + warnings.warn("output_length is deprecated", DeprecationWarning) + assert self._payload_writer + return self._payload_writer.buffer_size + + def enable_chunked_encoding(self, chunk_size: Optional[int] = None) -> None: + """Enables automatic chunked transfer encoding.""" + self._chunked = True + + if hdrs.CONTENT_LENGTH in self._headers: + raise RuntimeError( + "You can't enable chunked encoding when " "a content length is set" + ) + if chunk_size is not None: + warnings.warn("Chunk size is deprecated #1615", DeprecationWarning) + + def enable_compression( + self, force: Optional[Union[bool, ContentCoding]] = None + ) -> None: + """Enables response compression encoding.""" + # Backwards compatibility for when force was a bool <0.17. + if type(force) == bool: + force = ContentCoding.deflate if force else ContentCoding.identity + warnings.warn( + "Using boolean for force is deprecated #3318", DeprecationWarning + ) + elif force is not None: + assert isinstance(force, ContentCoding), ( + "force should one of " "None, bool or " "ContentEncoding" + ) + + self._compression = True + self._compression_force = force + + @property + def headers(self) -> "CIMultiDict[str]": + return self._headers + + @property + def cookies(self) -> "SimpleCookie[str]": + return self._cookies + + def set_cookie( + self, + name: str, + value: str, + *, + expires: Optional[str] = None, + domain: Optional[str] = None, + max_age: Optional[Union[int, str]] = None, + path: str = "/", + secure: Optional[bool] = None, + httponly: Optional[bool] = None, + version: Optional[str] = None, + samesite: Optional[str] = None, + ) -> None: + """Set or update response cookie. + + Sets new cookie or updates existent with new value. + Also updates only those params which are not None. + """ + + old = self._cookies.get(name) + if old is not None and old.coded_value == "": + # deleted cookie + self._cookies.pop(name, None) + + self._cookies[name] = value + c = self._cookies[name] + + if expires is not None: + c["expires"] = expires + elif c.get("expires") == "Thu, 01 Jan 1970 00:00:00 GMT": + del c["expires"] + + if domain is not None: + c["domain"] = domain + + if max_age is not None: + c["max-age"] = str(max_age) + elif "max-age" in c: + del c["max-age"] + + c["path"] = path + + if secure is not None: + c["secure"] = secure + if httponly is not None: + c["httponly"] = httponly + if version is not None: + c["version"] = version + if samesite is not None: + c["samesite"] = samesite + + def del_cookie( + self, name: str, *, domain: Optional[str] = None, path: str = "/" + ) -> None: + """Delete cookie. + + Creates new empty expired cookie. + """ + # TODO: do we need domain/path here? + self._cookies.pop(name, None) + self.set_cookie( + name, + "", + max_age=0, + expires="Thu, 01 Jan 1970 00:00:00 GMT", + domain=domain, + path=path, + ) + + @property + def content_length(self) -> Optional[int]: + # Just a placeholder for adding setter + return super().content_length + + @content_length.setter + def content_length(self, value: Optional[int]) -> None: + if value is not None: + value = int(value) + if self._chunked: + raise RuntimeError( + "You can't set content length when " "chunked encoding is enable" + ) + self._headers[hdrs.CONTENT_LENGTH] = str(value) + else: + self._headers.pop(hdrs.CONTENT_LENGTH, None) + + @property + def content_type(self) -> str: + # Just a placeholder for adding setter + return super().content_type + + @content_type.setter + def content_type(self, value: str) -> None: + self.content_type # read header values if needed + self._content_type = str(value) + self._generate_content_type_header() + + @property + def charset(self) -> Optional[str]: + # Just a placeholder for adding setter + return super().charset + + @charset.setter + def charset(self, value: Optional[str]) -> None: + ctype = self.content_type # read header values if needed + if ctype == "application/octet-stream": + raise RuntimeError( + "Setting charset for application/octet-stream " + "doesn't make sense, setup content_type first" + ) + assert self._content_dict is not None + if value is None: + self._content_dict.pop("charset", None) + else: + self._content_dict["charset"] = str(value).lower() + self._generate_content_type_header() + + @property + def last_modified(self) -> Optional[datetime.datetime]: + """The value of Last-Modified HTTP header, or None. + + This header is represented as a `datetime` object. + """ + httpdate = self._headers.get(hdrs.LAST_MODIFIED) + if httpdate is not None: + timetuple = parsedate(httpdate) + if timetuple is not None: + return datetime.datetime(*timetuple[:6], tzinfo=datetime.timezone.utc) + return None + + @last_modified.setter + def last_modified( + self, value: Optional[Union[int, float, datetime.datetime, str]] + ) -> None: + if value is None: + self._headers.pop(hdrs.LAST_MODIFIED, None) + elif isinstance(value, (int, float)): + self._headers[hdrs.LAST_MODIFIED] = time.strftime( + "%a, %d %b %Y %H:%M:%S GMT", time.gmtime(math.ceil(value)) + ) + elif isinstance(value, datetime.datetime): + self._headers[hdrs.LAST_MODIFIED] = time.strftime( + "%a, %d %b %Y %H:%M:%S GMT", value.utctimetuple() + ) + elif isinstance(value, str): + self._headers[hdrs.LAST_MODIFIED] = value + + def _generate_content_type_header( + self, CONTENT_TYPE: istr = hdrs.CONTENT_TYPE + ) -> None: + assert self._content_dict is not None + assert self._content_type is not None + params = "; ".join(f"{k}={v}" for k, v in self._content_dict.items()) + if params: + ctype = self._content_type + "; " + params + else: + ctype = self._content_type + self._headers[CONTENT_TYPE] = ctype + + async def _do_start_compression(self, coding: ContentCoding) -> None: + if coding != ContentCoding.identity: + assert self._payload_writer is not None + self._headers[hdrs.CONTENT_ENCODING] = coding.value + self._payload_writer.enable_compression(coding.value) + # Compressed payload may have different content length, + # remove the header + self._headers.popall(hdrs.CONTENT_LENGTH, None) + + async def _start_compression(self, request: "BaseRequest") -> None: + if self._compression_force: + await self._do_start_compression(self._compression_force) + else: + accept_encoding = request.headers.get(hdrs.ACCEPT_ENCODING, "").lower() + for coding in ContentCoding: + if coding.value in accept_encoding: + await self._do_start_compression(coding) + return + + async def prepare(self, request: "BaseRequest") -> Optional[AbstractStreamWriter]: + if self._eof_sent: + return None + if self._payload_writer is not None: + return self._payload_writer + + return await self._start(request) + + async def _start(self, request: "BaseRequest") -> AbstractStreamWriter: + self._req = request + writer = self._payload_writer = request._payload_writer + + await self._prepare_headers() + await request._prepare_hook(self) + await self._write_headers() + + return writer + + async def _prepare_headers(self) -> None: + request = self._req + assert request is not None + writer = self._payload_writer + assert writer is not None + keep_alive = self._keep_alive + if keep_alive is None: + keep_alive = request.keep_alive + self._keep_alive = keep_alive + + version = request.version + + headers = self._headers + for cookie in self._cookies.values(): + value = cookie.output(header="")[1:] + headers.add(hdrs.SET_COOKIE, value) + + if self._compression: + await self._start_compression(request) + + if self._chunked: + if version != HttpVersion11: + raise RuntimeError( + "Using chunked encoding is forbidden " + "for HTTP/{0.major}.{0.minor}".format(request.version) + ) + writer.enable_chunking() + headers[hdrs.TRANSFER_ENCODING] = "chunked" + if hdrs.CONTENT_LENGTH in headers: + del headers[hdrs.CONTENT_LENGTH] + elif self._length_check: + writer.length = self.content_length + if writer.length is None: + if version >= HttpVersion11: + writer.enable_chunking() + headers[hdrs.TRANSFER_ENCODING] = "chunked" + if hdrs.CONTENT_LENGTH in headers: + del headers[hdrs.CONTENT_LENGTH] + else: + keep_alive = False + # HTTP 1.1: https://tools.ietf.org/html/rfc7230#section-3.3.2 + # HTTP 1.0: https://tools.ietf.org/html/rfc1945#section-10.4 + elif version >= HttpVersion11 and self.status in (100, 101, 102, 103, 204): + del headers[hdrs.CONTENT_LENGTH] + + headers.setdefault(hdrs.CONTENT_TYPE, "application/octet-stream") + headers.setdefault(hdrs.DATE, rfc822_formatted_time()) + headers.setdefault(hdrs.SERVER, SERVER_SOFTWARE) + + # connection header + if hdrs.CONNECTION not in headers: + if keep_alive: + if version == HttpVersion10: + headers[hdrs.CONNECTION] = "keep-alive" + else: + if version == HttpVersion11: + headers[hdrs.CONNECTION] = "close" + + async def _write_headers(self) -> None: + request = self._req + assert request is not None + writer = self._payload_writer + assert writer is not None + # status line + version = request.version + status_line = "HTTP/{}.{} {} {}".format( + version[0], version[1], self._status, self._reason + ) + await writer.write_headers(status_line, self._headers) + + async def write(self, data: bytes) -> None: + assert isinstance( + data, (bytes, bytearray, memoryview) + ), "data argument must be byte-ish (%r)" % type(data) + + if self._eof_sent: + raise RuntimeError("Cannot call write() after write_eof()") + if self._payload_writer is None: + raise RuntimeError("Cannot call write() before prepare()") + + await self._payload_writer.write(data) + + async def drain(self) -> None: + assert not self._eof_sent, "EOF has already been sent" + assert self._payload_writer is not None, "Response has not been started" + warnings.warn( + "drain method is deprecated, use await resp.write()", + DeprecationWarning, + stacklevel=2, + ) + await self._payload_writer.drain() + + async def write_eof(self, data: bytes = b"") -> None: + assert isinstance( + data, (bytes, bytearray, memoryview) + ), "data argument must be byte-ish (%r)" % type(data) + + if self._eof_sent: + return + + assert self._payload_writer is not None, "Response has not been started" + + await self._payload_writer.write_eof(data) + self._eof_sent = True + self._req = None + self._body_length = self._payload_writer.output_size + self._payload_writer = None + + def __repr__(self) -> str: + if self._eof_sent: + info = "eof" + elif self.prepared: + assert self._req is not None + info = f"{self._req.method} {self._req.path} " + else: + info = "not prepared" + return f"<{self.__class__.__name__} {self.reason} {info}>" + + def __getitem__(self, key: str) -> Any: + return self._state[key] + + def __setitem__(self, key: str, value: Any) -> None: + self._state[key] = value + + def __delitem__(self, key: str) -> None: + del self._state[key] + + def __len__(self) -> int: + return len(self._state) + + def __iter__(self) -> Iterator[str]: + return iter(self._state) + + def __hash__(self) -> int: + return hash(id(self)) + + def __eq__(self, other: object) -> bool: + return self is other + + +class Response(StreamResponse): + def __init__( + self, + *, + body: Any = None, + status: int = 200, + reason: Optional[str] = None, + text: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + content_type: Optional[str] = None, + charset: Optional[str] = None, + zlib_executor_size: Optional[int] = None, + zlib_executor: Optional[Executor] = None, + ) -> None: + if body is not None and text is not None: + raise ValueError("body and text are not allowed together") + + if headers is None: + real_headers = CIMultiDict() # type: CIMultiDict[str] + elif not isinstance(headers, CIMultiDict): + real_headers = CIMultiDict(headers) + else: + real_headers = headers # = cast('CIMultiDict[str]', headers) + + if content_type is not None and "charset" in content_type: + raise ValueError("charset must not be in content_type " "argument") + + if text is not None: + if hdrs.CONTENT_TYPE in real_headers: + if content_type or charset: + raise ValueError( + "passing both Content-Type header and " + "content_type or charset params " + "is forbidden" + ) + else: + # fast path for filling headers + if not isinstance(text, str): + raise TypeError("text argument must be str (%r)" % type(text)) + if content_type is None: + content_type = "text/plain" + if charset is None: + charset = "utf-8" + real_headers[hdrs.CONTENT_TYPE] = content_type + "; charset=" + charset + body = text.encode(charset) + text = None + else: + if hdrs.CONTENT_TYPE in real_headers: + if content_type is not None or charset is not None: + raise ValueError( + "passing both Content-Type header and " + "content_type or charset params " + "is forbidden" + ) + else: + if content_type is not None: + if charset is not None: + content_type += "; charset=" + charset + real_headers[hdrs.CONTENT_TYPE] = content_type + + super().__init__(status=status, reason=reason, headers=real_headers) + + if text is not None: + self.text = text + else: + self.body = body + + self._compressed_body = None # type: Optional[bytes] + self._zlib_executor_size = zlib_executor_size + self._zlib_executor = zlib_executor + + @property + def body(self) -> Optional[Union[bytes, Payload]]: + return self._body + + @body.setter + def body( + self, + body: bytes, + CONTENT_TYPE: istr = hdrs.CONTENT_TYPE, + CONTENT_LENGTH: istr = hdrs.CONTENT_LENGTH, + ) -> None: + if body is None: + self._body = None # type: Optional[bytes] + self._body_payload = False # type: bool + elif isinstance(body, (bytes, bytearray)): + self._body = body + self._body_payload = False + else: + try: + self._body = body = payload.PAYLOAD_REGISTRY.get(body) + except payload.LookupError: + raise ValueError("Unsupported body type %r" % type(body)) + + self._body_payload = True + + headers = self._headers + + # set content-length header if needed + if not self._chunked and CONTENT_LENGTH not in headers: + size = body.size + if size is not None: + headers[CONTENT_LENGTH] = str(size) + + # set content-type + if CONTENT_TYPE not in headers: + headers[CONTENT_TYPE] = body.content_type + + # copy payload headers + if body.headers: + for (key, value) in body.headers.items(): + if key not in headers: + headers[key] = value + + self._compressed_body = None + + @property + def text(self) -> Optional[str]: + if self._body is None: + return None + return self._body.decode(self.charset or "utf-8") + + @text.setter + def text(self, text: str) -> None: + assert text is None or isinstance( + text, str + ), "text argument must be str (%r)" % type(text) + + if self.content_type == "application/octet-stream": + self.content_type = "text/plain" + if self.charset is None: + self.charset = "utf-8" + + self._body = text.encode(self.charset) + self._body_payload = False + self._compressed_body = None + + @property + def content_length(self) -> Optional[int]: + if self._chunked: + return None + + if hdrs.CONTENT_LENGTH in self._headers: + return super().content_length + + if self._compressed_body is not None: + # Return length of the compressed body + return len(self._compressed_body) + elif self._body_payload: + # A payload without content length, or a compressed payload + return None + elif self._body is not None: + return len(self._body) + else: + return 0 + + @content_length.setter + def content_length(self, value: Optional[int]) -> None: + raise RuntimeError("Content length is set automatically") + + async def write_eof(self, data: bytes = b"") -> None: + if self._eof_sent: + return + if self._compressed_body is None: + body = self._body # type: Optional[Union[bytes, Payload]] + else: + body = self._compressed_body + assert not data, f"data arg is not supported, got {data!r}" + assert self._req is not None + assert self._payload_writer is not None + if body is not None: + if self._req._method == hdrs.METH_HEAD or self._status in [204, 304]: + await super().write_eof() + elif self._body_payload: + payload = cast(Payload, body) + await payload.write(self._payload_writer) + await super().write_eof() + else: + await super().write_eof(cast(bytes, body)) + else: + await super().write_eof() + + async def _start(self, request: "BaseRequest") -> AbstractStreamWriter: + if not self._chunked and hdrs.CONTENT_LENGTH not in self._headers: + if not self._body_payload: + if self._body is not None: + self._headers[hdrs.CONTENT_LENGTH] = str(len(self._body)) + else: + self._headers[hdrs.CONTENT_LENGTH] = "0" + + return await super()._start(request) + + def _compress_body(self, zlib_mode: int) -> None: + assert zlib_mode > 0 + compressobj = zlib.compressobj(wbits=zlib_mode) + body_in = self._body + assert body_in is not None + self._compressed_body = compressobj.compress(body_in) + compressobj.flush() + + async def _do_start_compression(self, coding: ContentCoding) -> None: + if self._body_payload or self._chunked: + return await super()._do_start_compression(coding) + + if coding != ContentCoding.identity: + # Instead of using _payload_writer.enable_compression, + # compress the whole body + zlib_mode = ( + 16 + zlib.MAX_WBITS if coding == ContentCoding.gzip else zlib.MAX_WBITS + ) + body_in = self._body + assert body_in is not None + if ( + self._zlib_executor_size is not None + and len(body_in) > self._zlib_executor_size + ): + await asyncio.get_event_loop().run_in_executor( + self._zlib_executor, self._compress_body, zlib_mode + ) + else: + self._compress_body(zlib_mode) + + body_out = self._compressed_body + assert body_out is not None + + self._headers[hdrs.CONTENT_ENCODING] = coding.value + self._headers[hdrs.CONTENT_LENGTH] = str(len(body_out)) + + +def json_response( + data: Any = sentinel, + *, + text: Optional[str] = None, + body: Optional[bytes] = None, + status: int = 200, + reason: Optional[str] = None, + headers: Optional[LooseHeaders] = None, + content_type: str = "application/json", + dumps: JSONEncoder = json.dumps, +) -> Response: + if data is not sentinel: + if text or body: + raise ValueError("only one of data, text, or body should be specified") + else: + text = dumps(data) + return Response( + text=text, + body=body, + status=status, + reason=reason, + headers=headers, + content_type=content_type, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_routedef.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_routedef.py new file mode 100644 index 0000000..1885251 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_routedef.py @@ -0,0 +1,215 @@ +import abc +import os # noqa +from typing import ( + TYPE_CHECKING, + Any, + Awaitable, + Callable, + Dict, + Iterator, + List, + Optional, + Sequence, + Type, + Union, + overload, +) + +import attr + +from . import hdrs +from .abc import AbstractView +from .typedefs import PathLike + +if TYPE_CHECKING: # pragma: no cover + from .web_request import Request + from .web_response import StreamResponse + from .web_urldispatcher import AbstractRoute, UrlDispatcher +else: + Request = StreamResponse = UrlDispatcher = AbstractRoute = None + + +__all__ = ( + "AbstractRouteDef", + "RouteDef", + "StaticDef", + "RouteTableDef", + "head", + "options", + "get", + "post", + "patch", + "put", + "delete", + "route", + "view", + "static", +) + + +class AbstractRouteDef(abc.ABC): + @abc.abstractmethod + def register(self, router: UrlDispatcher) -> List[AbstractRoute]: + pass # pragma: no cover + + +_SimpleHandler = Callable[[Request], Awaitable[StreamResponse]] +_HandlerType = Union[Type[AbstractView], _SimpleHandler] + + +@attr.s(auto_attribs=True, frozen=True, repr=False, slots=True) +class RouteDef(AbstractRouteDef): + method: str + path: str + handler: _HandlerType + kwargs: Dict[str, Any] + + def __repr__(self) -> str: + info = [] + for name, value in sorted(self.kwargs.items()): + info.append(f", {name}={value!r}") + return " {handler.__name__!r}" "{info}>".format( + method=self.method, path=self.path, handler=self.handler, info="".join(info) + ) + + def register(self, router: UrlDispatcher) -> List[AbstractRoute]: + if self.method in hdrs.METH_ALL: + reg = getattr(router, "add_" + self.method.lower()) + return [reg(self.path, self.handler, **self.kwargs)] + else: + return [ + router.add_route(self.method, self.path, self.handler, **self.kwargs) + ] + + +@attr.s(auto_attribs=True, frozen=True, repr=False, slots=True) +class StaticDef(AbstractRouteDef): + prefix: str + path: PathLike + kwargs: Dict[str, Any] + + def __repr__(self) -> str: + info = [] + for name, value in sorted(self.kwargs.items()): + info.append(f", {name}={value!r}") + return " {path}" "{info}>".format( + prefix=self.prefix, path=self.path, info="".join(info) + ) + + def register(self, router: UrlDispatcher) -> List[AbstractRoute]: + resource = router.add_static(self.prefix, self.path, **self.kwargs) + routes = resource.get_info().get("routes", {}) + return list(routes.values()) + + +def route(method: str, path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return RouteDef(method, path, handler, kwargs) + + +def head(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_HEAD, path, handler, **kwargs) + + +def options(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_OPTIONS, path, handler, **kwargs) + + +def get( + path: str, + handler: _HandlerType, + *, + name: Optional[str] = None, + allow_head: bool = True, + **kwargs: Any, +) -> RouteDef: + return route( + hdrs.METH_GET, path, handler, name=name, allow_head=allow_head, **kwargs + ) + + +def post(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_POST, path, handler, **kwargs) + + +def put(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_PUT, path, handler, **kwargs) + + +def patch(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_PATCH, path, handler, **kwargs) + + +def delete(path: str, handler: _HandlerType, **kwargs: Any) -> RouteDef: + return route(hdrs.METH_DELETE, path, handler, **kwargs) + + +def view(path: str, handler: Type[AbstractView], **kwargs: Any) -> RouteDef: + return route(hdrs.METH_ANY, path, handler, **kwargs) + + +def static(prefix: str, path: PathLike, **kwargs: Any) -> StaticDef: + return StaticDef(prefix, path, kwargs) + + +_Deco = Callable[[_HandlerType], _HandlerType] + + +class RouteTableDef(Sequence[AbstractRouteDef]): + """Route definition table""" + + def __init__(self) -> None: + self._items = [] # type: List[AbstractRouteDef] + + def __repr__(self) -> str: + return "".format(len(self._items)) + + @overload + def __getitem__(self, index: int) -> AbstractRouteDef: + ... + + @overload + def __getitem__(self, index: slice) -> List[AbstractRouteDef]: + ... + + def __getitem__(self, index): # type: ignore + return self._items[index] + + def __iter__(self) -> Iterator[AbstractRouteDef]: + return iter(self._items) + + def __len__(self) -> int: + return len(self._items) + + def __contains__(self, item: object) -> bool: + return item in self._items + + def route(self, method: str, path: str, **kwargs: Any) -> _Deco: + def inner(handler: _HandlerType) -> _HandlerType: + self._items.append(RouteDef(method, path, handler, kwargs)) + return handler + + return inner + + def head(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_HEAD, path, **kwargs) + + def get(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_GET, path, **kwargs) + + def post(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_POST, path, **kwargs) + + def put(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_PUT, path, **kwargs) + + def patch(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_PATCH, path, **kwargs) + + def delete(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_DELETE, path, **kwargs) + + def view(self, path: str, **kwargs: Any) -> _Deco: + return self.route(hdrs.METH_ANY, path, **kwargs) + + def static(self, prefix: str, path: PathLike, **kwargs: Any) -> None: + self._items.append(StaticDef(prefix, path, kwargs)) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_runner.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_runner.py new file mode 100644 index 0000000..25ac28a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_runner.py @@ -0,0 +1,381 @@ +import asyncio +import signal +import socket +from abc import ABC, abstractmethod +from typing import Any, List, Optional, Set + +from yarl import URL + +from .web_app import Application +from .web_server import Server + +try: + from ssl import SSLContext +except ImportError: + SSLContext = object # type: ignore + + +__all__ = ( + "BaseSite", + "TCPSite", + "UnixSite", + "NamedPipeSite", + "SockSite", + "BaseRunner", + "AppRunner", + "ServerRunner", + "GracefulExit", +) + + +class GracefulExit(SystemExit): + code = 1 + + +def _raise_graceful_exit() -> None: + raise GracefulExit() + + +class BaseSite(ABC): + __slots__ = ("_runner", "_shutdown_timeout", "_ssl_context", "_backlog", "_server") + + def __init__( + self, + runner: "BaseRunner", + *, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + backlog: int = 128, + ) -> None: + if runner.server is None: + raise RuntimeError("Call runner.setup() before making a site") + self._runner = runner + self._shutdown_timeout = shutdown_timeout + self._ssl_context = ssl_context + self._backlog = backlog + self._server = None # type: Optional[asyncio.AbstractServer] + + @property + @abstractmethod + def name(self) -> str: + pass # pragma: no cover + + @abstractmethod + async def start(self) -> None: + self._runner._reg_site(self) + + async def stop(self) -> None: + self._runner._check_site(self) + if self._server is None: + self._runner._unreg_site(self) + return # not started yet + self._server.close() + # named pipes do not have wait_closed property + if hasattr(self._server, "wait_closed"): + await self._server.wait_closed() + await self._runner.shutdown() + assert self._runner.server + await self._runner.server.shutdown(self._shutdown_timeout) + self._runner._unreg_site(self) + + +class TCPSite(BaseSite): + __slots__ = ("_host", "_port", "_reuse_address", "_reuse_port") + + def __init__( + self, + runner: "BaseRunner", + host: Optional[str] = None, + port: Optional[int] = None, + *, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + backlog: int = 128, + reuse_address: Optional[bool] = None, + reuse_port: Optional[bool] = None, + ) -> None: + super().__init__( + runner, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + self._host = host + if port is None: + port = 8443 if self._ssl_context else 8080 + self._port = port + self._reuse_address = reuse_address + self._reuse_port = reuse_port + + @property + def name(self) -> str: + scheme = "https" if self._ssl_context else "http" + host = "0.0.0.0" if self._host is None else self._host + return str(URL.build(scheme=scheme, host=host, port=self._port)) + + async def start(self) -> None: + await super().start() + loop = asyncio.get_event_loop() + server = self._runner.server + assert server is not None + self._server = await loop.create_server( + server, + self._host, + self._port, + ssl=self._ssl_context, + backlog=self._backlog, + reuse_address=self._reuse_address, + reuse_port=self._reuse_port, + ) + + +class UnixSite(BaseSite): + __slots__ = ("_path",) + + def __init__( + self, + runner: "BaseRunner", + path: str, + *, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + backlog: int = 128, + ) -> None: + super().__init__( + runner, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + self._path = path + + @property + def name(self) -> str: + scheme = "https" if self._ssl_context else "http" + return f"{scheme}://unix:{self._path}:" + + async def start(self) -> None: + await super().start() + loop = asyncio.get_event_loop() + server = self._runner.server + assert server is not None + self._server = await loop.create_unix_server( + server, self._path, ssl=self._ssl_context, backlog=self._backlog + ) + + +class NamedPipeSite(BaseSite): + __slots__ = ("_path",) + + def __init__( + self, runner: "BaseRunner", path: str, *, shutdown_timeout: float = 60.0 + ) -> None: + loop = asyncio.get_event_loop() + if not isinstance(loop, asyncio.ProactorEventLoop): # type: ignore + raise RuntimeError( + "Named Pipes only available in proactor" "loop under windows" + ) + super().__init__(runner, shutdown_timeout=shutdown_timeout) + self._path = path + + @property + def name(self) -> str: + return self._path + + async def start(self) -> None: + await super().start() + loop = asyncio.get_event_loop() + server = self._runner.server + assert server is not None + _server = await loop.start_serving_pipe(server, self._path) # type: ignore + self._server = _server[0] + + +class SockSite(BaseSite): + __slots__ = ("_sock", "_name") + + def __init__( + self, + runner: "BaseRunner", + sock: socket.socket, + *, + shutdown_timeout: float = 60.0, + ssl_context: Optional[SSLContext] = None, + backlog: int = 128, + ) -> None: + super().__init__( + runner, + shutdown_timeout=shutdown_timeout, + ssl_context=ssl_context, + backlog=backlog, + ) + self._sock = sock + scheme = "https" if self._ssl_context else "http" + if hasattr(socket, "AF_UNIX") and sock.family == socket.AF_UNIX: + name = f"{scheme}://unix:{sock.getsockname()}:" + else: + host, port = sock.getsockname()[:2] + name = str(URL.build(scheme=scheme, host=host, port=port)) + self._name = name + + @property + def name(self) -> str: + return self._name + + async def start(self) -> None: + await super().start() + loop = asyncio.get_event_loop() + server = self._runner.server + assert server is not None + self._server = await loop.create_server( + server, sock=self._sock, ssl=self._ssl_context, backlog=self._backlog + ) + + +class BaseRunner(ABC): + __slots__ = ("_handle_signals", "_kwargs", "_server", "_sites") + + def __init__(self, *, handle_signals: bool = False, **kwargs: Any) -> None: + self._handle_signals = handle_signals + self._kwargs = kwargs + self._server = None # type: Optional[Server] + self._sites = [] # type: List[BaseSite] + + @property + def server(self) -> Optional[Server]: + return self._server + + @property + def addresses(self) -> List[Any]: + ret = [] # type: List[Any] + for site in self._sites: + server = site._server + if server is not None: + sockets = server.sockets + if sockets is not None: + for sock in sockets: + ret.append(sock.getsockname()) + return ret + + @property + def sites(self) -> Set[BaseSite]: + return set(self._sites) + + async def setup(self) -> None: + loop = asyncio.get_event_loop() + + if self._handle_signals: + try: + loop.add_signal_handler(signal.SIGINT, _raise_graceful_exit) + loop.add_signal_handler(signal.SIGTERM, _raise_graceful_exit) + except NotImplementedError: # pragma: no cover + # add_signal_handler is not implemented on Windows + pass + + self._server = await self._make_server() + + @abstractmethod + async def shutdown(self) -> None: + pass # pragma: no cover + + async def cleanup(self) -> None: + loop = asyncio.get_event_loop() + + if self._server is None: + # no started yet, do nothing + return + + # The loop over sites is intentional, an exception on gather() + # leaves self._sites in unpredictable state. + # The loop guaranties that a site is either deleted on success or + # still present on failure + for site in list(self._sites): + await site.stop() + await self._cleanup_server() + self._server = None + if self._handle_signals: + try: + loop.remove_signal_handler(signal.SIGINT) + loop.remove_signal_handler(signal.SIGTERM) + except NotImplementedError: # pragma: no cover + # remove_signal_handler is not implemented on Windows + pass + + @abstractmethod + async def _make_server(self) -> Server: + pass # pragma: no cover + + @abstractmethod + async def _cleanup_server(self) -> None: + pass # pragma: no cover + + def _reg_site(self, site: BaseSite) -> None: + if site in self._sites: + raise RuntimeError(f"Site {site} is already registered in runner {self}") + self._sites.append(site) + + def _check_site(self, site: BaseSite) -> None: + if site not in self._sites: + raise RuntimeError(f"Site {site} is not registered in runner {self}") + + def _unreg_site(self, site: BaseSite) -> None: + if site not in self._sites: + raise RuntimeError(f"Site {site} is not registered in runner {self}") + self._sites.remove(site) + + +class ServerRunner(BaseRunner): + """Low-level web server runner""" + + __slots__ = ("_web_server",) + + def __init__( + self, web_server: Server, *, handle_signals: bool = False, **kwargs: Any + ) -> None: + super().__init__(handle_signals=handle_signals, **kwargs) + self._web_server = web_server + + async def shutdown(self) -> None: + pass + + async def _make_server(self) -> Server: + return self._web_server + + async def _cleanup_server(self) -> None: + pass + + +class AppRunner(BaseRunner): + """Web Application runner""" + + __slots__ = ("_app",) + + def __init__( + self, app: Application, *, handle_signals: bool = False, **kwargs: Any + ) -> None: + super().__init__(handle_signals=handle_signals, **kwargs) + if not isinstance(app, Application): + raise TypeError( + "The first argument should be web.Application " + "instance, got {!r}".format(app) + ) + self._app = app + + @property + def app(self) -> Application: + return self._app + + async def shutdown(self) -> None: + await self._app.shutdown() + + async def _make_server(self) -> Server: + loop = asyncio.get_event_loop() + self._app._set_loop(loop) + self._app.on_startup.freeze() + await self._app.startup() + self._app.freeze() + + return self._app._make_handler(loop=loop, **self._kwargs) + + async def _cleanup_server(self) -> None: + await self._app.cleanup() diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_server.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_server.py new file mode 100644 index 0000000..5657ed9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_server.py @@ -0,0 +1,62 @@ +"""Low level HTTP server.""" +import asyncio +from typing import Any, Awaitable, Callable, Dict, List, Optional # noqa + +from .abc import AbstractStreamWriter +from .helpers import get_running_loop +from .http_parser import RawRequestMessage +from .streams import StreamReader +from .web_protocol import RequestHandler, _RequestFactory, _RequestHandler +from .web_request import BaseRequest + +__all__ = ("Server",) + + +class Server: + def __init__( + self, + handler: _RequestHandler, + *, + request_factory: Optional[_RequestFactory] = None, + loop: Optional[asyncio.AbstractEventLoop] = None, + **kwargs: Any + ) -> None: + self._loop = get_running_loop(loop) + self._connections = {} # type: Dict[RequestHandler, asyncio.Transport] + self._kwargs = kwargs + self.requests_count = 0 + self.request_handler = handler + self.request_factory = request_factory or self._make_request + + @property + def connections(self) -> List[RequestHandler]: + return list(self._connections.keys()) + + def connection_made( + self, handler: RequestHandler, transport: asyncio.Transport + ) -> None: + self._connections[handler] = transport + + def connection_lost( + self, handler: RequestHandler, exc: Optional[BaseException] = None + ) -> None: + if handler in self._connections: + del self._connections[handler] + + def _make_request( + self, + message: RawRequestMessage, + payload: StreamReader, + protocol: RequestHandler, + writer: AbstractStreamWriter, + task: "asyncio.Task[None]", + ) -> BaseRequest: + return BaseRequest(message, payload, protocol, writer, task, self._loop) + + async def shutdown(self, timeout: Optional[float] = None) -> None: + coros = [conn.shutdown(timeout) for conn in self._connections] + await asyncio.gather(*coros) + self._connections.clear() + + def __call__(self) -> RequestHandler: + return RequestHandler(self, loop=self._loop, **self._kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_urldispatcher.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_urldispatcher.py new file mode 100644 index 0000000..2afd72f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_urldispatcher.py @@ -0,0 +1,1233 @@ +import abc +import asyncio +import base64 +import hashlib +import inspect +import keyword +import os +import re +import warnings +from contextlib import contextmanager +from functools import wraps +from pathlib import Path +from types import MappingProxyType +from typing import ( + TYPE_CHECKING, + Any, + Awaitable, + Callable, + Container, + Dict, + Generator, + Iterable, + Iterator, + List, + Mapping, + Optional, + Pattern, + Set, + Sized, + Tuple, + Type, + Union, + cast, +) + +from typing_extensions import TypedDict +from yarl import URL, __version__ as yarl_version # type: ignore + +from . import hdrs +from .abc import AbstractMatchInfo, AbstractRouter, AbstractView +from .helpers import DEBUG +from .http import HttpVersion11 +from .typedefs import PathLike +from .web_exceptions import ( + HTTPException, + HTTPExpectationFailed, + HTTPForbidden, + HTTPMethodNotAllowed, + HTTPNotFound, +) +from .web_fileresponse import FileResponse +from .web_request import Request +from .web_response import Response, StreamResponse +from .web_routedef import AbstractRouteDef + +__all__ = ( + "UrlDispatcher", + "UrlMappingMatchInfo", + "AbstractResource", + "Resource", + "PlainResource", + "DynamicResource", + "AbstractRoute", + "ResourceRoute", + "StaticResource", + "View", +) + + +if TYPE_CHECKING: # pragma: no cover + from .web_app import Application + + BaseDict = Dict[str, str] +else: + BaseDict = dict + +YARL_VERSION = tuple(map(int, yarl_version.split(".")[:2])) + +HTTP_METHOD_RE = re.compile(r"^[0-9A-Za-z!#\$%&'\*\+\-\.\^_`\|~]+$") +ROUTE_RE = re.compile(r"(\{[_a-zA-Z][^{}]*(?:\{[^{}]*\}[^{}]*)*\})") +PATH_SEP = re.escape("/") + + +_WebHandler = Callable[[Request], Awaitable[StreamResponse]] +_ExpectHandler = Callable[[Request], Awaitable[None]] +_Resolve = Tuple[Optional[AbstractMatchInfo], Set[str]] + + +class _InfoDict(TypedDict, total=False): + path: str + + formatter: str + pattern: Pattern[str] + + directory: Path + prefix: str + routes: Mapping[str, "AbstractRoute"] + + app: "Application" + + domain: str + + rule: "AbstractRuleMatching" + + http_exception: HTTPException + + +class AbstractResource(Sized, Iterable["AbstractRoute"]): + def __init__(self, *, name: Optional[str] = None) -> None: + self._name = name + + @property + def name(self) -> Optional[str]: + return self._name + + @property + @abc.abstractmethod + def canonical(self) -> str: + """Exposes the resource's canonical path. + + For example '/foo/bar/{name}' + + """ + + @abc.abstractmethod # pragma: no branch + def url_for(self, **kwargs: str) -> URL: + """Construct url for resource with additional params.""" + + @abc.abstractmethod # pragma: no branch + async def resolve(self, request: Request) -> _Resolve: + """Resolve resource + + Return (UrlMappingMatchInfo, allowed_methods) pair.""" + + @abc.abstractmethod + def add_prefix(self, prefix: str) -> None: + """Add a prefix to processed URLs. + + Required for subapplications support. + + """ + + @abc.abstractmethod + def get_info(self) -> _InfoDict: + """Return a dict with additional info useful for introspection""" + + def freeze(self) -> None: + pass + + @abc.abstractmethod + def raw_match(self, path: str) -> bool: + """Perform a raw match against path""" + + +class AbstractRoute(abc.ABC): + def __init__( + self, + method: str, + handler: Union[_WebHandler, Type[AbstractView]], + *, + expect_handler: Optional[_ExpectHandler] = None, + resource: Optional[AbstractResource] = None, + ) -> None: + + if expect_handler is None: + expect_handler = _default_expect_handler + + assert asyncio.iscoroutinefunction( + expect_handler + ), f"Coroutine is expected, got {expect_handler!r}" + + method = method.upper() + if not HTTP_METHOD_RE.match(method): + raise ValueError(f"{method} is not allowed HTTP method") + + assert callable(handler), handler + if asyncio.iscoroutinefunction(handler): + pass + elif inspect.isgeneratorfunction(handler): + warnings.warn( + "Bare generators are deprecated, " "use @coroutine wrapper", + DeprecationWarning, + ) + elif isinstance(handler, type) and issubclass(handler, AbstractView): + pass + else: + warnings.warn( + "Bare functions are deprecated, " "use async ones", DeprecationWarning + ) + + @wraps(handler) + async def handler_wrapper(request: Request) -> StreamResponse: + result = old_handler(request) + if asyncio.iscoroutine(result): + return await result + return result # type: ignore + + old_handler = handler + handler = handler_wrapper + + self._method = method + self._handler = handler + self._expect_handler = expect_handler + self._resource = resource + + @property + def method(self) -> str: + return self._method + + @property + def handler(self) -> _WebHandler: + return self._handler + + @property + @abc.abstractmethod + def name(self) -> Optional[str]: + """Optional route's name, always equals to resource's name.""" + + @property + def resource(self) -> Optional[AbstractResource]: + return self._resource + + @abc.abstractmethod + def get_info(self) -> _InfoDict: + """Return a dict with additional info useful for introspection""" + + @abc.abstractmethod # pragma: no branch + def url_for(self, *args: str, **kwargs: str) -> URL: + """Construct url for route with additional params.""" + + async def handle_expect_header(self, request: Request) -> None: + await self._expect_handler(request) + + +class UrlMappingMatchInfo(BaseDict, AbstractMatchInfo): + def __init__(self, match_dict: Dict[str, str], route: AbstractRoute): + super().__init__(match_dict) + self._route = route + self._apps = [] # type: List[Application] + self._current_app = None # type: Optional[Application] + self._frozen = False + + @property + def handler(self) -> _WebHandler: + return self._route.handler + + @property + def route(self) -> AbstractRoute: + return self._route + + @property + def expect_handler(self) -> _ExpectHandler: + return self._route.handle_expect_header + + @property + def http_exception(self) -> Optional[HTTPException]: + return None + + def get_info(self) -> _InfoDict: # type: ignore + return self._route.get_info() + + @property + def apps(self) -> Tuple["Application", ...]: + return tuple(self._apps) + + def add_app(self, app: "Application") -> None: + if self._frozen: + raise RuntimeError("Cannot change apps stack after .freeze() call") + if self._current_app is None: + self._current_app = app + self._apps.insert(0, app) + + @property + def current_app(self) -> "Application": + app = self._current_app + assert app is not None + return app + + @contextmanager + def set_current_app(self, app: "Application") -> Generator[None, None, None]: + if DEBUG: # pragma: no cover + if app not in self._apps: + raise RuntimeError( + "Expected one of the following apps {!r}, got {!r}".format( + self._apps, app + ) + ) + prev = self._current_app + self._current_app = app + try: + yield + finally: + self._current_app = prev + + def freeze(self) -> None: + self._frozen = True + + def __repr__(self) -> str: + return f"" + + +class MatchInfoError(UrlMappingMatchInfo): + def __init__(self, http_exception: HTTPException) -> None: + self._exception = http_exception + super().__init__({}, SystemRoute(self._exception)) + + @property + def http_exception(self) -> HTTPException: + return self._exception + + def __repr__(self) -> str: + return "".format( + self._exception.status, self._exception.reason + ) + + +async def _default_expect_handler(request: Request) -> None: + """Default handler for Expect header. + + Just send "100 Continue" to client. + raise HTTPExpectationFailed if value of header is not "100-continue" + """ + expect = request.headers.get(hdrs.EXPECT, "") + if request.version == HttpVersion11: + if expect.lower() == "100-continue": + await request.writer.write(b"HTTP/1.1 100 Continue\r\n\r\n") + else: + raise HTTPExpectationFailed(text="Unknown Expect: %s" % expect) + + +class Resource(AbstractResource): + def __init__(self, *, name: Optional[str] = None) -> None: + super().__init__(name=name) + self._routes = [] # type: List[ResourceRoute] + + def add_route( + self, + method: str, + handler: Union[Type[AbstractView], _WebHandler], + *, + expect_handler: Optional[_ExpectHandler] = None, + ) -> "ResourceRoute": + + for route_obj in self._routes: + if route_obj.method == method or route_obj.method == hdrs.METH_ANY: + raise RuntimeError( + "Added route will never be executed, " + "method {route.method} is already " + "registered".format(route=route_obj) + ) + + route_obj = ResourceRoute(method, handler, self, expect_handler=expect_handler) + self.register_route(route_obj) + return route_obj + + def register_route(self, route: "ResourceRoute") -> None: + assert isinstance( + route, ResourceRoute + ), f"Instance of Route class is required, got {route!r}" + self._routes.append(route) + + async def resolve(self, request: Request) -> _Resolve: + allowed_methods = set() # type: Set[str] + + match_dict = self._match(request.rel_url.raw_path) + if match_dict is None: + return None, allowed_methods + + for route_obj in self._routes: + route_method = route_obj.method + allowed_methods.add(route_method) + + if route_method == request.method or route_method == hdrs.METH_ANY: + return (UrlMappingMatchInfo(match_dict, route_obj), allowed_methods) + else: + return None, allowed_methods + + @abc.abstractmethod + def _match(self, path: str) -> Optional[Dict[str, str]]: + pass # pragma: no cover + + def __len__(self) -> int: + return len(self._routes) + + def __iter__(self) -> Iterator[AbstractRoute]: + return iter(self._routes) + + # TODO: implement all abstract methods + + +class PlainResource(Resource): + def __init__(self, path: str, *, name: Optional[str] = None) -> None: + super().__init__(name=name) + assert not path or path.startswith("/") + self._path = path + + @property + def canonical(self) -> str: + return self._path + + def freeze(self) -> None: + if not self._path: + self._path = "/" + + def add_prefix(self, prefix: str) -> None: + assert prefix.startswith("/") + assert not prefix.endswith("/") + assert len(prefix) > 1 + self._path = prefix + self._path + + def _match(self, path: str) -> Optional[Dict[str, str]]: + # string comparison is about 10 times faster than regexp matching + if self._path == path: + return {} + else: + return None + + def raw_match(self, path: str) -> bool: + return self._path == path + + def get_info(self) -> _InfoDict: + return {"path": self._path} + + def url_for(self) -> URL: # type: ignore + return URL.build(path=self._path, encoded=True) + + def __repr__(self) -> str: + name = "'" + self.name + "' " if self.name is not None else "" + return f"" + + +class DynamicResource(Resource): + + DYN = re.compile(r"\{(?P[_a-zA-Z][_a-zA-Z0-9]*)\}") + DYN_WITH_RE = re.compile(r"\{(?P[_a-zA-Z][_a-zA-Z0-9]*):(?P.+)\}") + GOOD = r"[^{}/]+" + + def __init__(self, path: str, *, name: Optional[str] = None) -> None: + super().__init__(name=name) + pattern = "" + formatter = "" + for part in ROUTE_RE.split(path): + match = self.DYN.fullmatch(part) + if match: + pattern += "(?P<{}>{})".format(match.group("var"), self.GOOD) + formatter += "{" + match.group("var") + "}" + continue + + match = self.DYN_WITH_RE.fullmatch(part) + if match: + pattern += "(?P<{var}>{re})".format(**match.groupdict()) + formatter += "{" + match.group("var") + "}" + continue + + if "{" in part or "}" in part: + raise ValueError(f"Invalid path '{path}'['{part}']") + + part = _requote_path(part) + formatter += part + pattern += re.escape(part) + + try: + compiled = re.compile(pattern) + except re.error as exc: + raise ValueError(f"Bad pattern '{pattern}': {exc}") from None + assert compiled.pattern.startswith(PATH_SEP) + assert formatter.startswith("/") + self._pattern = compiled + self._formatter = formatter + + @property + def canonical(self) -> str: + return self._formatter + + def add_prefix(self, prefix: str) -> None: + assert prefix.startswith("/") + assert not prefix.endswith("/") + assert len(prefix) > 1 + self._pattern = re.compile(re.escape(prefix) + self._pattern.pattern) + self._formatter = prefix + self._formatter + + def _match(self, path: str) -> Optional[Dict[str, str]]: + match = self._pattern.fullmatch(path) + if match is None: + return None + else: + return { + key: _unquote_path(value) for key, value in match.groupdict().items() + } + + def raw_match(self, path: str) -> bool: + return self._formatter == path + + def get_info(self) -> _InfoDict: + return {"formatter": self._formatter, "pattern": self._pattern} + + def url_for(self, **parts: str) -> URL: + url = self._formatter.format_map({k: _quote_path(v) for k, v in parts.items()}) + return URL.build(path=url, encoded=True) + + def __repr__(self) -> str: + name = "'" + self.name + "' " if self.name is not None else "" + return "".format( + name=name, formatter=self._formatter + ) + + +class PrefixResource(AbstractResource): + def __init__(self, prefix: str, *, name: Optional[str] = None) -> None: + assert not prefix or prefix.startswith("/"), prefix + assert prefix in ("", "/") or not prefix.endswith("/"), prefix + super().__init__(name=name) + self._prefix = _requote_path(prefix) + + @property + def canonical(self) -> str: + return self._prefix + + def add_prefix(self, prefix: str) -> None: + assert prefix.startswith("/") + assert not prefix.endswith("/") + assert len(prefix) > 1 + self._prefix = prefix + self._prefix + + def raw_match(self, prefix: str) -> bool: + return False + + # TODO: impl missing abstract methods + + +class StaticResource(PrefixResource): + VERSION_KEY = "v" + + def __init__( + self, + prefix: str, + directory: PathLike, + *, + name: Optional[str] = None, + expect_handler: Optional[_ExpectHandler] = None, + chunk_size: int = 256 * 1024, + show_index: bool = False, + follow_symlinks: bool = False, + append_version: bool = False, + ) -> None: + super().__init__(prefix, name=name) + try: + directory = Path(directory) + if str(directory).startswith("~"): + directory = Path(os.path.expanduser(str(directory))) + directory = directory.resolve() + if not directory.is_dir(): + raise ValueError("Not a directory") + except (FileNotFoundError, ValueError) as error: + raise ValueError(f"No directory exists at '{directory}'") from error + self._directory = directory + self._show_index = show_index + self._chunk_size = chunk_size + self._follow_symlinks = follow_symlinks + self._expect_handler = expect_handler + self._append_version = append_version + + self._routes = { + "GET": ResourceRoute( + "GET", self._handle, self, expect_handler=expect_handler + ), + "HEAD": ResourceRoute( + "HEAD", self._handle, self, expect_handler=expect_handler + ), + } + + def url_for( # type: ignore + self, + *, + filename: Union[str, Path], + append_version: Optional[bool] = None, + ) -> URL: + if append_version is None: + append_version = self._append_version + if isinstance(filename, Path): + filename = str(filename) + filename = filename.lstrip("/") + + url = URL.build(path=self._prefix, encoded=True) + # filename is not encoded + if YARL_VERSION < (1, 6): + url = url / filename.replace("%", "%25") + else: + url = url / filename + + if append_version: + try: + filepath = self._directory.joinpath(filename).resolve() + if not self._follow_symlinks: + filepath.relative_to(self._directory) + except (ValueError, FileNotFoundError): + # ValueError for case when path point to symlink + # with follow_symlinks is False + return url # relatively safe + if filepath.is_file(): + # TODO cache file content + # with file watcher for cache invalidation + with filepath.open("rb") as f: + file_bytes = f.read() + h = self._get_file_hash(file_bytes) + url = url.with_query({self.VERSION_KEY: h}) + return url + return url + + @staticmethod + def _get_file_hash(byte_array: bytes) -> str: + m = hashlib.sha256() # todo sha256 can be configurable param + m.update(byte_array) + b64 = base64.urlsafe_b64encode(m.digest()) + return b64.decode("ascii") + + def get_info(self) -> _InfoDict: + return { + "directory": self._directory, + "prefix": self._prefix, + "routes": self._routes, + } + + def set_options_route(self, handler: _WebHandler) -> None: + if "OPTIONS" in self._routes: + raise RuntimeError("OPTIONS route was set already") + self._routes["OPTIONS"] = ResourceRoute( + "OPTIONS", handler, self, expect_handler=self._expect_handler + ) + + async def resolve(self, request: Request) -> _Resolve: + path = request.rel_url.raw_path + method = request.method + allowed_methods = set(self._routes) + if not path.startswith(self._prefix): + return None, set() + + if method not in allowed_methods: + return None, allowed_methods + + match_dict = {"filename": _unquote_path(path[len(self._prefix) + 1 :])} + return (UrlMappingMatchInfo(match_dict, self._routes[method]), allowed_methods) + + def __len__(self) -> int: + return len(self._routes) + + def __iter__(self) -> Iterator[AbstractRoute]: + return iter(self._routes.values()) + + async def _handle(self, request: Request) -> StreamResponse: + rel_url = request.match_info["filename"] + try: + filename = Path(rel_url) + if filename.anchor: + # rel_url is an absolute name like + # /static/\\machine_name\c$ or /static/D:\path + # where the static dir is totally different + raise HTTPForbidden() + filepath = self._directory.joinpath(filename).resolve() + if not self._follow_symlinks: + filepath.relative_to(self._directory) + except (ValueError, FileNotFoundError) as error: + # relatively safe + raise HTTPNotFound() from error + except HTTPForbidden: + raise + except Exception as error: + # perm error or other kind! + request.app.logger.exception(error) + raise HTTPNotFound() from error + + # on opening a dir, load its contents if allowed + if filepath.is_dir(): + if self._show_index: + try: + return Response( + text=self._directory_as_html(filepath), content_type="text/html" + ) + except PermissionError: + raise HTTPForbidden() + else: + raise HTTPForbidden() + elif filepath.is_file(): + return FileResponse(filepath, chunk_size=self._chunk_size) + else: + raise HTTPNotFound + + def _directory_as_html(self, filepath: Path) -> str: + # returns directory's index as html + + # sanity check + assert filepath.is_dir() + + relative_path_to_dir = filepath.relative_to(self._directory).as_posix() + index_of = f"Index of /{relative_path_to_dir}" + h1 = f"

{index_of}

" + + index_list = [] + dir_index = filepath.iterdir() + for _file in sorted(dir_index): + # show file url as relative to static path + rel_path = _file.relative_to(self._directory).as_posix() + file_url = self._prefix + "/" + rel_path + + # if file is a directory, add '/' to the end of the name + if _file.is_dir(): + file_name = f"{_file.name}/" + else: + file_name = _file.name + + index_list.append( + '
  • {name}
    • '.format( + url=file_url, name=file_name + ) + ) + ul = "
      \n{}\n
    ".format("\n".join(index_list)) + body = f"\n{h1}\n{ul}\n" + + head_str = f"\n{index_of}\n" + html = f"\n{head_str}\n{body}\n" + + return html + + def __repr__(self) -> str: + name = "'" + self.name + "'" if self.name is not None else "" + return " {directory!r}>".format( + name=name, path=self._prefix, directory=self._directory + ) + + +class PrefixedSubAppResource(PrefixResource): + def __init__(self, prefix: str, app: "Application") -> None: + super().__init__(prefix) + self._app = app + for resource in app.router.resources(): + resource.add_prefix(prefix) + + def add_prefix(self, prefix: str) -> None: + super().add_prefix(prefix) + for resource in self._app.router.resources(): + resource.add_prefix(prefix) + + def url_for(self, *args: str, **kwargs: str) -> URL: + raise RuntimeError(".url_for() is not supported " "by sub-application root") + + def get_info(self) -> _InfoDict: + return {"app": self._app, "prefix": self._prefix} + + async def resolve(self, request: Request) -> _Resolve: + if ( + not request.url.raw_path.startswith(self._prefix + "/") + and request.url.raw_path != self._prefix + ): + return None, set() + match_info = await self._app.router.resolve(request) + match_info.add_app(self._app) + if isinstance(match_info.http_exception, HTTPMethodNotAllowed): + methods = match_info.http_exception.allowed_methods + else: + methods = set() + return match_info, methods + + def __len__(self) -> int: + return len(self._app.router.routes()) + + def __iter__(self) -> Iterator[AbstractRoute]: + return iter(self._app.router.routes()) + + def __repr__(self) -> str: + return " {app!r}>".format( + prefix=self._prefix, app=self._app + ) + + +class AbstractRuleMatching(abc.ABC): + @abc.abstractmethod # pragma: no branch + async def match(self, request: Request) -> bool: + """Return bool if the request satisfies the criteria""" + + @abc.abstractmethod # pragma: no branch + def get_info(self) -> _InfoDict: + """Return a dict with additional info useful for introspection""" + + @property + @abc.abstractmethod # pragma: no branch + def canonical(self) -> str: + """Return a str""" + + +class Domain(AbstractRuleMatching): + re_part = re.compile(r"(?!-)[a-z\d-]{1,63}(? None: + super().__init__() + self._domain = self.validation(domain) + + @property + def canonical(self) -> str: + return self._domain + + def validation(self, domain: str) -> str: + if not isinstance(domain, str): + raise TypeError("Domain must be str") + domain = domain.rstrip(".").lower() + if not domain: + raise ValueError("Domain cannot be empty") + elif "://" in domain: + raise ValueError("Scheme not supported") + url = URL("http://" + domain) + assert url.raw_host is not None + if not all(self.re_part.fullmatch(x) for x in url.raw_host.split(".")): + raise ValueError("Domain not valid") + if url.port == 80: + return url.raw_host + return f"{url.raw_host}:{url.port}" + + async def match(self, request: Request) -> bool: + host = request.headers.get(hdrs.HOST) + if not host: + return False + return self.match_domain(host) + + def match_domain(self, host: str) -> bool: + return host.lower() == self._domain + + def get_info(self) -> _InfoDict: + return {"domain": self._domain} + + +class MaskDomain(Domain): + re_part = re.compile(r"(?!-)[a-z\d\*-]{1,63}(? None: + super().__init__(domain) + mask = self._domain.replace(".", r"\.").replace("*", ".*") + self._mask = re.compile(mask) + + @property + def canonical(self) -> str: + return self._mask.pattern + + def match_domain(self, host: str) -> bool: + return self._mask.fullmatch(host) is not None + + +class MatchedSubAppResource(PrefixedSubAppResource): + def __init__(self, rule: AbstractRuleMatching, app: "Application") -> None: + AbstractResource.__init__(self) + self._prefix = "" + self._app = app + self._rule = rule + + @property + def canonical(self) -> str: + return self._rule.canonical + + def get_info(self) -> _InfoDict: + return {"app": self._app, "rule": self._rule} + + async def resolve(self, request: Request) -> _Resolve: + if not await self._rule.match(request): + return None, set() + match_info = await self._app.router.resolve(request) + match_info.add_app(self._app) + if isinstance(match_info.http_exception, HTTPMethodNotAllowed): + methods = match_info.http_exception.allowed_methods + else: + methods = set() + return match_info, methods + + def __repr__(self) -> str: + return " {app!r}>" "".format(app=self._app) + + +class ResourceRoute(AbstractRoute): + """A route with resource""" + + def __init__( + self, + method: str, + handler: Union[_WebHandler, Type[AbstractView]], + resource: AbstractResource, + *, + expect_handler: Optional[_ExpectHandler] = None, + ) -> None: + super().__init__( + method, handler, expect_handler=expect_handler, resource=resource + ) + + def __repr__(self) -> str: + return " {handler!r}".format( + method=self.method, resource=self._resource, handler=self.handler + ) + + @property + def name(self) -> Optional[str]: + if self._resource is None: + return None + return self._resource.name + + def url_for(self, *args: str, **kwargs: str) -> URL: + """Construct url for route with additional params.""" + assert self._resource is not None + return self._resource.url_for(*args, **kwargs) + + def get_info(self) -> _InfoDict: + assert self._resource is not None + return self._resource.get_info() + + +class SystemRoute(AbstractRoute): + def __init__(self, http_exception: HTTPException) -> None: + super().__init__(hdrs.METH_ANY, self._handle) + self._http_exception = http_exception + + def url_for(self, *args: str, **kwargs: str) -> URL: + raise RuntimeError(".url_for() is not allowed for SystemRoute") + + @property + def name(self) -> Optional[str]: + return None + + def get_info(self) -> _InfoDict: + return {"http_exception": self._http_exception} + + async def _handle(self, request: Request) -> StreamResponse: + raise self._http_exception + + @property + def status(self) -> int: + return self._http_exception.status + + @property + def reason(self) -> str: + return self._http_exception.reason + + def __repr__(self) -> str: + return "".format(self=self) + + +class View(AbstractView): + async def _iter(self) -> StreamResponse: + if self.request.method not in hdrs.METH_ALL: + self._raise_allowed_methods() + method = getattr(self, self.request.method.lower(), None) + if method is None: + self._raise_allowed_methods() + resp = await method() + return resp + + def __await__(self) -> Generator[Any, None, StreamResponse]: + return self._iter().__await__() + + def _raise_allowed_methods(self) -> None: + allowed_methods = {m for m in hdrs.METH_ALL if hasattr(self, m.lower())} + raise HTTPMethodNotAllowed(self.request.method, allowed_methods) + + +class ResourcesView(Sized, Iterable[AbstractResource], Container[AbstractResource]): + def __init__(self, resources: List[AbstractResource]) -> None: + self._resources = resources + + def __len__(self) -> int: + return len(self._resources) + + def __iter__(self) -> Iterator[AbstractResource]: + yield from self._resources + + def __contains__(self, resource: object) -> bool: + return resource in self._resources + + +class RoutesView(Sized, Iterable[AbstractRoute], Container[AbstractRoute]): + def __init__(self, resources: List[AbstractResource]): + self._routes = [] # type: List[AbstractRoute] + for resource in resources: + for route in resource: + self._routes.append(route) + + def __len__(self) -> int: + return len(self._routes) + + def __iter__(self) -> Iterator[AbstractRoute]: + yield from self._routes + + def __contains__(self, route: object) -> bool: + return route in self._routes + + +class UrlDispatcher(AbstractRouter, Mapping[str, AbstractResource]): + + NAME_SPLIT_RE = re.compile(r"[.:-]") + + def __init__(self) -> None: + super().__init__() + self._resources = [] # type: List[AbstractResource] + self._named_resources = {} # type: Dict[str, AbstractResource] + + async def resolve(self, request: Request) -> AbstractMatchInfo: + method = request.method + allowed_methods = set() # type: Set[str] + + for resource in self._resources: + match_dict, allowed = await resource.resolve(request) + if match_dict is not None: + return match_dict + else: + allowed_methods |= allowed + else: + if allowed_methods: + return MatchInfoError(HTTPMethodNotAllowed(method, allowed_methods)) + else: + return MatchInfoError(HTTPNotFound()) + + def __iter__(self) -> Iterator[str]: + return iter(self._named_resources) + + def __len__(self) -> int: + return len(self._named_resources) + + def __contains__(self, resource: object) -> bool: + return resource in self._named_resources + + def __getitem__(self, name: str) -> AbstractResource: + return self._named_resources[name] + + def resources(self) -> ResourcesView: + return ResourcesView(self._resources) + + def routes(self) -> RoutesView: + return RoutesView(self._resources) + + def named_resources(self) -> Mapping[str, AbstractResource]: + return MappingProxyType(self._named_resources) + + def register_resource(self, resource: AbstractResource) -> None: + assert isinstance( + resource, AbstractResource + ), f"Instance of AbstractResource class is required, got {resource!r}" + if self.frozen: + raise RuntimeError("Cannot register a resource into frozen router.") + + name = resource.name + + if name is not None: + parts = self.NAME_SPLIT_RE.split(name) + for part in parts: + if keyword.iskeyword(part): + raise ValueError( + f"Incorrect route name {name!r}, " + "python keywords cannot be used " + "for route name" + ) + if not part.isidentifier(): + raise ValueError( + "Incorrect route name {!r}, " + "the name should be a sequence of " + "python identifiers separated " + "by dash, dot or column".format(name) + ) + if name in self._named_resources: + raise ValueError( + "Duplicate {!r}, " + "already handled by {!r}".format(name, self._named_resources[name]) + ) + self._named_resources[name] = resource + self._resources.append(resource) + + def add_resource(self, path: str, *, name: Optional[str] = None) -> Resource: + if path and not path.startswith("/"): + raise ValueError("path should be started with / or be empty") + # Reuse last added resource if path and name are the same + if self._resources: + resource = self._resources[-1] + if resource.name == name and resource.raw_match(path): + return cast(Resource, resource) + if not ("{" in path or "}" in path or ROUTE_RE.search(path)): + resource = PlainResource(_requote_path(path), name=name) + self.register_resource(resource) + return resource + resource = DynamicResource(path, name=name) + self.register_resource(resource) + return resource + + def add_route( + self, + method: str, + path: str, + handler: Union[_WebHandler, Type[AbstractView]], + *, + name: Optional[str] = None, + expect_handler: Optional[_ExpectHandler] = None, + ) -> AbstractRoute: + resource = self.add_resource(path, name=name) + return resource.add_route(method, handler, expect_handler=expect_handler) + + def add_static( + self, + prefix: str, + path: PathLike, + *, + name: Optional[str] = None, + expect_handler: Optional[_ExpectHandler] = None, + chunk_size: int = 256 * 1024, + show_index: bool = False, + follow_symlinks: bool = False, + append_version: bool = False, + ) -> AbstractResource: + """Add static files view. + + prefix - url prefix + path - folder with files + + """ + assert prefix.startswith("/") + if prefix.endswith("/"): + prefix = prefix[:-1] + resource = StaticResource( + prefix, + path, + name=name, + expect_handler=expect_handler, + chunk_size=chunk_size, + show_index=show_index, + follow_symlinks=follow_symlinks, + append_version=append_version, + ) + self.register_resource(resource) + return resource + + def add_head(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: + """ + Shortcut for add_route with method HEAD + """ + return self.add_route(hdrs.METH_HEAD, path, handler, **kwargs) + + def add_options( + self, path: str, handler: _WebHandler, **kwargs: Any + ) -> AbstractRoute: + """ + Shortcut for add_route with method OPTIONS + """ + return self.add_route(hdrs.METH_OPTIONS, path, handler, **kwargs) + + def add_get( + self, + path: str, + handler: _WebHandler, + *, + name: Optional[str] = None, + allow_head: bool = True, + **kwargs: Any, + ) -> AbstractRoute: + """ + Shortcut for add_route with method GET, if allow_head is true another + route is added allowing head requests to the same endpoint + """ + resource = self.add_resource(path, name=name) + if allow_head: + resource.add_route(hdrs.METH_HEAD, handler, **kwargs) + return resource.add_route(hdrs.METH_GET, handler, **kwargs) + + def add_post(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: + """ + Shortcut for add_route with method POST + """ + return self.add_route(hdrs.METH_POST, path, handler, **kwargs) + + def add_put(self, path: str, handler: _WebHandler, **kwargs: Any) -> AbstractRoute: + """ + Shortcut for add_route with method PUT + """ + return self.add_route(hdrs.METH_PUT, path, handler, **kwargs) + + def add_patch( + self, path: str, handler: _WebHandler, **kwargs: Any + ) -> AbstractRoute: + """ + Shortcut for add_route with method PATCH + """ + return self.add_route(hdrs.METH_PATCH, path, handler, **kwargs) + + def add_delete( + self, path: str, handler: _WebHandler, **kwargs: Any + ) -> AbstractRoute: + """ + Shortcut for add_route with method DELETE + """ + return self.add_route(hdrs.METH_DELETE, path, handler, **kwargs) + + def add_view( + self, path: str, handler: Type[AbstractView], **kwargs: Any + ) -> AbstractRoute: + """ + Shortcut for add_route with ANY methods for a class-based view + """ + return self.add_route(hdrs.METH_ANY, path, handler, **kwargs) + + def freeze(self) -> None: + super().freeze() + for resource in self._resources: + resource.freeze() + + def add_routes(self, routes: Iterable[AbstractRouteDef]) -> List[AbstractRoute]: + """Append routes to route table. + + Parameter should be a sequence of RouteDef objects. + + Returns a list of registered AbstractRoute instances. + """ + registered_routes = [] + for route_def in routes: + registered_routes.extend(route_def.register(self)) + return registered_routes + + +def _quote_path(value: str) -> str: + if YARL_VERSION < (1, 6): + value = value.replace("%", "%25") + return URL.build(path=value, encoded=False).raw_path + + +def _unquote_path(value: str) -> str: + return URL.build(path=value, encoded=True).path + + +def _requote_path(value: str) -> str: + # Quote non-ascii characters and other characters which must be quoted, + # but preserve existing %-sequences. + result = _quote_path(value) + if "%" in value: + result = result.replace("%25", "%") + return result diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_ws.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_ws.py new file mode 100644 index 0000000..da7ce6d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/web_ws.py @@ -0,0 +1,481 @@ +import asyncio +import base64 +import binascii +import hashlib +import json +from typing import Any, Iterable, Optional, Tuple + +import async_timeout +import attr +from multidict import CIMultiDict + +from . import hdrs +from .abc import AbstractStreamWriter +from .helpers import call_later, set_result +from .http import ( + WS_CLOSED_MESSAGE, + WS_CLOSING_MESSAGE, + WS_KEY, + WebSocketError, + WebSocketReader, + WebSocketWriter, + WSMessage, + WSMsgType as WSMsgType, + ws_ext_gen, + ws_ext_parse, +) +from .log import ws_logger +from .streams import EofStream, FlowControlDataQueue +from .typedefs import JSONDecoder, JSONEncoder +from .web_exceptions import HTTPBadRequest, HTTPException +from .web_request import BaseRequest +from .web_response import StreamResponse + +__all__ = ( + "WebSocketResponse", + "WebSocketReady", + "WSMsgType", +) + +THRESHOLD_CONNLOST_ACCESS = 5 + + +@attr.s(auto_attribs=True, frozen=True, slots=True) +class WebSocketReady: + ok: bool + protocol: Optional[str] + + def __bool__(self) -> bool: + return self.ok + + +class WebSocketResponse(StreamResponse): + + _length_check = False + + def __init__( + self, + *, + timeout: float = 10.0, + receive_timeout: Optional[float] = None, + autoclose: bool = True, + autoping: bool = True, + heartbeat: Optional[float] = None, + protocols: Iterable[str] = (), + compress: bool = True, + max_msg_size: int = 4 * 1024 * 1024, + ) -> None: + super().__init__(status=101) + self._protocols = protocols + self._ws_protocol = None # type: Optional[str] + self._writer = None # type: Optional[WebSocketWriter] + self._reader = None # type: Optional[FlowControlDataQueue[WSMessage]] + self._closed = False + self._closing = False + self._conn_lost = 0 + self._close_code = None # type: Optional[int] + self._loop = None # type: Optional[asyncio.AbstractEventLoop] + self._waiting = None # type: Optional[asyncio.Future[bool]] + self._exception = None # type: Optional[BaseException] + self._timeout = timeout + self._receive_timeout = receive_timeout + self._autoclose = autoclose + self._autoping = autoping + self._heartbeat = heartbeat + self._heartbeat_cb = None + if heartbeat is not None: + self._pong_heartbeat = heartbeat / 2.0 + self._pong_response_cb = None + self._compress = compress + self._max_msg_size = max_msg_size + + def _cancel_heartbeat(self) -> None: + if self._pong_response_cb is not None: + self._pong_response_cb.cancel() + self._pong_response_cb = None + + if self._heartbeat_cb is not None: + self._heartbeat_cb.cancel() + self._heartbeat_cb = None + + def _reset_heartbeat(self) -> None: + self._cancel_heartbeat() + + if self._heartbeat is not None: + self._heartbeat_cb = call_later( + self._send_heartbeat, self._heartbeat, self._loop + ) + + def _send_heartbeat(self) -> None: + if self._heartbeat is not None and not self._closed: + # fire-and-forget a task is not perfect but maybe ok for + # sending ping. Otherwise we need a long-living heartbeat + # task in the class. + self._loop.create_task(self._writer.ping()) # type: ignore + + if self._pong_response_cb is not None: + self._pong_response_cb.cancel() + self._pong_response_cb = call_later( + self._pong_not_received, self._pong_heartbeat, self._loop + ) + + def _pong_not_received(self) -> None: + if self._req is not None and self._req.transport is not None: + self._closed = True + self._close_code = 1006 + self._exception = asyncio.TimeoutError() + self._req.transport.close() + + async def prepare(self, request: BaseRequest) -> AbstractStreamWriter: + # make pre-check to don't hide it by do_handshake() exceptions + if self._payload_writer is not None: + return self._payload_writer + + protocol, writer = self._pre_start(request) + payload_writer = await super().prepare(request) + assert payload_writer is not None + self._post_start(request, protocol, writer) + await payload_writer.drain() + return payload_writer + + def _handshake( + self, request: BaseRequest + ) -> Tuple["CIMultiDict[str]", str, bool, bool]: + headers = request.headers + if "websocket" != headers.get(hdrs.UPGRADE, "").lower().strip(): + raise HTTPBadRequest( + text=( + "No WebSocket UPGRADE hdr: {}\n Can " + '"Upgrade" only to "WebSocket".' + ).format(headers.get(hdrs.UPGRADE)) + ) + + if "upgrade" not in headers.get(hdrs.CONNECTION, "").lower(): + raise HTTPBadRequest( + text="No CONNECTION upgrade hdr: {}".format( + headers.get(hdrs.CONNECTION) + ) + ) + + # find common sub-protocol between client and server + protocol = None + if hdrs.SEC_WEBSOCKET_PROTOCOL in headers: + req_protocols = [ + str(proto.strip()) + for proto in headers[hdrs.SEC_WEBSOCKET_PROTOCOL].split(",") + ] + + for proto in req_protocols: + if proto in self._protocols: + protocol = proto + break + else: + # No overlap found: Return no protocol as per spec + ws_logger.warning( + "Client protocols %r don’t overlap server-known ones %r", + req_protocols, + self._protocols, + ) + + # check supported version + version = headers.get(hdrs.SEC_WEBSOCKET_VERSION, "") + if version not in ("13", "8", "7"): + raise HTTPBadRequest(text=f"Unsupported version: {version}") + + # check client handshake for validity + key = headers.get(hdrs.SEC_WEBSOCKET_KEY) + try: + if not key or len(base64.b64decode(key)) != 16: + raise HTTPBadRequest(text=f"Handshake error: {key!r}") + except binascii.Error: + raise HTTPBadRequest(text=f"Handshake error: {key!r}") from None + + accept_val = base64.b64encode( + hashlib.sha1(key.encode() + WS_KEY).digest() + ).decode() + response_headers = CIMultiDict( # type: ignore + { + hdrs.UPGRADE: "websocket", # type: ignore + hdrs.CONNECTION: "upgrade", + hdrs.SEC_WEBSOCKET_ACCEPT: accept_val, + } + ) + + notakeover = False + compress = 0 + if self._compress: + extensions = headers.get(hdrs.SEC_WEBSOCKET_EXTENSIONS) + # Server side always get return with no exception. + # If something happened, just drop compress extension + compress, notakeover = ws_ext_parse(extensions, isserver=True) + if compress: + enabledext = ws_ext_gen( + compress=compress, isserver=True, server_notakeover=notakeover + ) + response_headers[hdrs.SEC_WEBSOCKET_EXTENSIONS] = enabledext + + if protocol: + response_headers[hdrs.SEC_WEBSOCKET_PROTOCOL] = protocol + return (response_headers, protocol, compress, notakeover) # type: ignore + + def _pre_start(self, request: BaseRequest) -> Tuple[str, WebSocketWriter]: + self._loop = request._loop + + headers, protocol, compress, notakeover = self._handshake(request) + + self.set_status(101) + self.headers.update(headers) + self.force_close() + self._compress = compress + transport = request._protocol.transport + assert transport is not None + writer = WebSocketWriter( + request._protocol, transport, compress=compress, notakeover=notakeover + ) + + return protocol, writer + + def _post_start( + self, request: BaseRequest, protocol: str, writer: WebSocketWriter + ) -> None: + self._ws_protocol = protocol + self._writer = writer + + self._reset_heartbeat() + + loop = self._loop + assert loop is not None + self._reader = FlowControlDataQueue(request._protocol, 2 ** 16, loop=loop) + request.protocol.set_parser( + WebSocketReader(self._reader, self._max_msg_size, compress=self._compress) + ) + # disable HTTP keepalive for WebSocket + request.protocol.keep_alive(False) + + def can_prepare(self, request: BaseRequest) -> WebSocketReady: + if self._writer is not None: + raise RuntimeError("Already started") + try: + _, protocol, _, _ = self._handshake(request) + except HTTPException: + return WebSocketReady(False, None) + else: + return WebSocketReady(True, protocol) + + @property + def closed(self) -> bool: + return self._closed + + @property + def close_code(self) -> Optional[int]: + return self._close_code + + @property + def ws_protocol(self) -> Optional[str]: + return self._ws_protocol + + @property + def compress(self) -> bool: + return self._compress + + def exception(self) -> Optional[BaseException]: + return self._exception + + async def ping(self, message: bytes = b"") -> None: + if self._writer is None: + raise RuntimeError("Call .prepare() first") + await self._writer.ping(message) + + async def pong(self, message: bytes = b"") -> None: + # unsolicited pong + if self._writer is None: + raise RuntimeError("Call .prepare() first") + await self._writer.pong(message) + + async def send_str(self, data: str, compress: Optional[bool] = None) -> None: + if self._writer is None: + raise RuntimeError("Call .prepare() first") + if not isinstance(data, str): + raise TypeError("data argument must be str (%r)" % type(data)) + await self._writer.send(data, binary=False, compress=compress) + + async def send_bytes(self, data: bytes, compress: Optional[bool] = None) -> None: + if self._writer is None: + raise RuntimeError("Call .prepare() first") + if not isinstance(data, (bytes, bytearray, memoryview)): + raise TypeError("data argument must be byte-ish (%r)" % type(data)) + await self._writer.send(data, binary=True, compress=compress) + + async def send_json( + self, + data: Any, + compress: Optional[bool] = None, + *, + dumps: JSONEncoder = json.dumps, + ) -> None: + await self.send_str(dumps(data), compress=compress) + + async def write_eof(self) -> None: # type: ignore + if self._eof_sent: + return + if self._payload_writer is None: + raise RuntimeError("Response has not been started") + + await self.close() + self._eof_sent = True + + async def close(self, *, code: int = 1000, message: bytes = b"") -> bool: + if self._writer is None: + raise RuntimeError("Call .prepare() first") + + self._cancel_heartbeat() + reader = self._reader + assert reader is not None + + # we need to break `receive()` cycle first, + # `close()` may be called from different task + if self._waiting is not None and not self._closed: + reader.feed_data(WS_CLOSING_MESSAGE, 0) + await self._waiting + + if not self._closed: + self._closed = True + try: + await self._writer.close(code, message) + writer = self._payload_writer + assert writer is not None + await writer.drain() + except (asyncio.CancelledError, asyncio.TimeoutError): + self._close_code = 1006 + raise + except Exception as exc: + self._close_code = 1006 + self._exception = exc + return True + + if self._closing: + return True + + reader = self._reader + assert reader is not None + try: + with async_timeout.timeout(self._timeout, loop=self._loop): + msg = await reader.read() + except asyncio.CancelledError: + self._close_code = 1006 + raise + except Exception as exc: + self._close_code = 1006 + self._exception = exc + return True + + if msg.type == WSMsgType.CLOSE: + self._close_code = msg.data + return True + + self._close_code = 1006 + self._exception = asyncio.TimeoutError() + return True + else: + return False + + async def receive(self, timeout: Optional[float] = None) -> WSMessage: + if self._reader is None: + raise RuntimeError("Call .prepare() first") + + loop = self._loop + assert loop is not None + while True: + if self._waiting is not None: + raise RuntimeError("Concurrent call to receive() is not allowed") + + if self._closed: + self._conn_lost += 1 + if self._conn_lost >= THRESHOLD_CONNLOST_ACCESS: + raise RuntimeError("WebSocket connection is closed.") + return WS_CLOSED_MESSAGE + elif self._closing: + return WS_CLOSING_MESSAGE + + try: + self._waiting = loop.create_future() + try: + with async_timeout.timeout( + timeout or self._receive_timeout, loop=self._loop + ): + msg = await self._reader.read() + self._reset_heartbeat() + finally: + waiter = self._waiting + set_result(waiter, True) + self._waiting = None + except (asyncio.CancelledError, asyncio.TimeoutError): + self._close_code = 1006 + raise + except EofStream: + self._close_code = 1000 + await self.close() + return WSMessage(WSMsgType.CLOSED, None, None) + except WebSocketError as exc: + self._close_code = exc.code + await self.close(code=exc.code) + return WSMessage(WSMsgType.ERROR, exc, None) + except Exception as exc: + self._exception = exc + self._closing = True + self._close_code = 1006 + await self.close() + return WSMessage(WSMsgType.ERROR, exc, None) + + if msg.type == WSMsgType.CLOSE: + self._closing = True + self._close_code = msg.data + if not self._closed and self._autoclose: + await self.close() + elif msg.type == WSMsgType.CLOSING: + self._closing = True + elif msg.type == WSMsgType.PING and self._autoping: + await self.pong(msg.data) + continue + elif msg.type == WSMsgType.PONG and self._autoping: + continue + + return msg + + async def receive_str(self, *, timeout: Optional[float] = None) -> str: + msg = await self.receive(timeout) + if msg.type != WSMsgType.TEXT: + raise TypeError( + "Received message {}:{!r} is not WSMsgType.TEXT".format( + msg.type, msg.data + ) + ) + return msg.data + + async def receive_bytes(self, *, timeout: Optional[float] = None) -> bytes: + msg = await self.receive(timeout) + if msg.type != WSMsgType.BINARY: + raise TypeError(f"Received message {msg.type}:{msg.data!r} is not bytes") + return msg.data + + async def receive_json( + self, *, loads: JSONDecoder = json.loads, timeout: Optional[float] = None + ) -> Any: + data = await self.receive_str(timeout=timeout) + return loads(data) + + async def write(self, data: bytes) -> None: + raise RuntimeError("Cannot call .write() for websocket") + + def __aiter__(self) -> "WebSocketResponse": + return self + + async def __anext__(self) -> WSMessage: + msg = await self.receive() + if msg.type in (WSMsgType.CLOSE, WSMsgType.CLOSING, WSMsgType.CLOSED): + raise StopAsyncIteration + return msg + + def _cancel(self, exc: BaseException) -> None: + if self._reader is not None: + self._reader.set_exception(exc) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiohttp/worker.py b/backend/mb-env/lib/python3.9/site-packages/aiohttp/worker.py new file mode 100644 index 0000000..67b244b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiohttp/worker.py @@ -0,0 +1,252 @@ +"""Async gunicorn worker for aiohttp.web""" + +import asyncio +import os +import re +import signal +import sys +from types import FrameType +from typing import Any, Awaitable, Callable, Optional, Union # noqa + +from gunicorn.config import AccessLogFormat as GunicornAccessLogFormat +from gunicorn.workers import base + +from aiohttp import web + +from .helpers import set_result +from .web_app import Application +from .web_log import AccessLogger + +try: + import ssl + + SSLContext = ssl.SSLContext +except ImportError: # pragma: no cover + ssl = None # type: ignore + SSLContext = object # type: ignore + + +__all__ = ("GunicornWebWorker", "GunicornUVLoopWebWorker", "GunicornTokioWebWorker") + + +class GunicornWebWorker(base.Worker): + + DEFAULT_AIOHTTP_LOG_FORMAT = AccessLogger.LOG_FORMAT + DEFAULT_GUNICORN_LOG_FORMAT = GunicornAccessLogFormat.default + + def __init__(self, *args: Any, **kw: Any) -> None: # pragma: no cover + super().__init__(*args, **kw) + + self._task = None # type: Optional[asyncio.Task[None]] + self.exit_code = 0 + self._notify_waiter = None # type: Optional[asyncio.Future[bool]] + + def init_process(self) -> None: + # create new event_loop after fork + asyncio.get_event_loop().close() + + self.loop = asyncio.new_event_loop() + asyncio.set_event_loop(self.loop) + + super().init_process() + + def run(self) -> None: + self._task = self.loop.create_task(self._run()) + + try: # ignore all finalization problems + self.loop.run_until_complete(self._task) + except Exception: + self.log.exception("Exception in gunicorn worker") + if sys.version_info >= (3, 6): + self.loop.run_until_complete(self.loop.shutdown_asyncgens()) + self.loop.close() + + sys.exit(self.exit_code) + + async def _run(self) -> None: + if isinstance(self.wsgi, Application): + app = self.wsgi + elif asyncio.iscoroutinefunction(self.wsgi): + app = await self.wsgi() + else: + raise RuntimeError( + "wsgi app should be either Application or " + "async function returning Application, got {}".format(self.wsgi) + ) + access_log = self.log.access_log if self.cfg.accesslog else None + runner = web.AppRunner( + app, + logger=self.log, + keepalive_timeout=self.cfg.keepalive, + access_log=access_log, + access_log_format=self._get_valid_log_format(self.cfg.access_log_format), + ) + await runner.setup() + + ctx = self._create_ssl_context(self.cfg) if self.cfg.is_ssl else None + + runner = runner + assert runner is not None + server = runner.server + assert server is not None + for sock in self.sockets: + site = web.SockSite( + runner, + sock, + ssl_context=ctx, + shutdown_timeout=self.cfg.graceful_timeout / 100 * 95, + ) + await site.start() + + # If our parent changed then we shut down. + pid = os.getpid() + try: + while self.alive: # type: ignore + self.notify() + + cnt = server.requests_count + if self.cfg.max_requests and cnt > self.cfg.max_requests: + self.alive = False + self.log.info("Max requests, shutting down: %s", self) + + elif pid == os.getpid() and self.ppid != os.getppid(): + self.alive = False + self.log.info("Parent changed, shutting down: %s", self) + else: + await self._wait_next_notify() + except BaseException: + pass + + await runner.cleanup() + + def _wait_next_notify(self) -> "asyncio.Future[bool]": + self._notify_waiter_done() + + loop = self.loop + assert loop is not None + self._notify_waiter = waiter = loop.create_future() + self.loop.call_later(1.0, self._notify_waiter_done, waiter) + + return waiter + + def _notify_waiter_done( + self, waiter: Optional["asyncio.Future[bool]"] = None + ) -> None: + if waiter is None: + waiter = self._notify_waiter + if waiter is not None: + set_result(waiter, True) + + if waiter is self._notify_waiter: + self._notify_waiter = None + + def init_signals(self) -> None: + # Set up signals through the event loop API. + + self.loop.add_signal_handler( + signal.SIGQUIT, self.handle_quit, signal.SIGQUIT, None + ) + + self.loop.add_signal_handler( + signal.SIGTERM, self.handle_exit, signal.SIGTERM, None + ) + + self.loop.add_signal_handler( + signal.SIGINT, self.handle_quit, signal.SIGINT, None + ) + + self.loop.add_signal_handler( + signal.SIGWINCH, self.handle_winch, signal.SIGWINCH, None + ) + + self.loop.add_signal_handler( + signal.SIGUSR1, self.handle_usr1, signal.SIGUSR1, None + ) + + self.loop.add_signal_handler( + signal.SIGABRT, self.handle_abort, signal.SIGABRT, None + ) + + # Don't let SIGTERM and SIGUSR1 disturb active requests + # by interrupting system calls + signal.siginterrupt(signal.SIGTERM, False) + signal.siginterrupt(signal.SIGUSR1, False) + + def handle_quit(self, sig: int, frame: FrameType) -> None: + self.alive = False + + # worker_int callback + self.cfg.worker_int(self) + + # wakeup closing process + self._notify_waiter_done() + + def handle_abort(self, sig: int, frame: FrameType) -> None: + self.alive = False + self.exit_code = 1 + self.cfg.worker_abort(self) + sys.exit(1) + + @staticmethod + def _create_ssl_context(cfg: Any) -> "SSLContext": + """Creates SSLContext instance for usage in asyncio.create_server. + + See ssl.SSLSocket.__init__ for more details. + """ + if ssl is None: # pragma: no cover + raise RuntimeError("SSL is not supported.") + + ctx = ssl.SSLContext(cfg.ssl_version) + ctx.load_cert_chain(cfg.certfile, cfg.keyfile) + ctx.verify_mode = cfg.cert_reqs + if cfg.ca_certs: + ctx.load_verify_locations(cfg.ca_certs) + if cfg.ciphers: + ctx.set_ciphers(cfg.ciphers) + return ctx + + def _get_valid_log_format(self, source_format: str) -> str: + if source_format == self.DEFAULT_GUNICORN_LOG_FORMAT: + return self.DEFAULT_AIOHTTP_LOG_FORMAT + elif re.search(r"%\([^\)]+\)", source_format): + raise ValueError( + "Gunicorn's style options in form of `%(name)s` are not " + "supported for the log formatting. Please use aiohttp's " + "format specification to configure access log formatting: " + "http://docs.aiohttp.org/en/stable/logging.html" + "#format-specification" + ) + else: + return source_format + + +class GunicornUVLoopWebWorker(GunicornWebWorker): + def init_process(self) -> None: + import uvloop + + # Close any existing event loop before setting a + # new policy. + asyncio.get_event_loop().close() + + # Setup uvloop policy, so that every + # asyncio.get_event_loop() will create an instance + # of uvloop event loop. + asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) + + super().init_process() + + +class GunicornTokioWebWorker(GunicornWebWorker): + def init_process(self) -> None: # pragma: no cover + import tokio + + # Close any existing event loop before setting a + # new policy. + asyncio.get_event_loop().close() + + # Setup tokio policy, so that every + # asyncio.get_event_loop() will create an instance + # of tokio event loop. + asyncio.set_event_loop_policy(tokio.EventLoopPolicy()) + + super().init_process() diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/LICENSE new file mode 100644 index 0000000..4d8920e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2014-2017 Alexey Popravka +Copyright (c) 2021 Sean Stewart + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/METADATA new file mode 100644 index 0000000..4f5a483 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/METADATA @@ -0,0 +1,612 @@ +Metadata-Version: 2.1 +Name: aioredis +Version: 2.0.0 +Summary: asyncio (PEP 3156) Redis support +Home-page: https://github.com/aio-libs/aioredis +License: MIT +Platform: POSIX +Classifier: License :: OSI Approved :: MIT License +Classifier: Development Status :: 5 - Production/Stable +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Operating System :: POSIX +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: Topic :: Software Development +Classifier: Topic :: Software Development :: Libraries +Classifier: Framework :: AsyncIO +Requires-Python: >=3.6 +Description-Content-Type: text/markdown +Requires-Dist: async-timeout +Requires-Dist: typing-extensions +Provides-Extra: hiredis +Requires-Dist: hiredis (>=1.0) ; (implementation_name == "cpython") and extra == 'hiredis' + +# aioredis + +asyncio (3156) Redis client library. + +The library is intended to provide simple and clear interface to Redis +based on asyncio. + +## Features + +| Feature | Supported | +|:-----------------------------|:----------------------| +| hiredis parser | :white_check_mark: | +| Pure-python parser | :white_check_mark: | +| Low-level & High-level APIs | :white_check_mark: | +| Pipelining support | :white_check_mark: | +| Multi/Exec support | :white_check_mark: | +| Connections Pool | :white_check_mark: | +| Pub/Sub support | :white_check_mark: | +| Sentinel support | :white_check_mark: | +| ACL support | :white_check_mark: | +| Streams support | :white_check_mark: | +| Redis Cluster support | :no_entry_sign: | +| Tested Python versions | 3.6, 3.7, 3.8, 3.9 | +| Tested for Redis servers | 5.0, 6.0 | +| Support for dev Redis server | through low-level API | + + +## Installation + +The easiest way to install aioredis is by using the package on PyPi: + + pip install aioredis + +## Requirements + +- Python 3.6+ +- hiredis + +## Benchmarks + +Benchmarks can be found here: + + +## Contribute + +- Issue Tracker: +- Google Group: +- Gitter: +- Source Code: +- Contributor's guide: [devel](docs/devel.md) + +Feel free to file an issue or make pull request if you find any bugs or +have some suggestions for library improvement. + +## License + +The aioredis is offered under a [MIT License](LICENSE). + +# Changelog + +## 2.0.0 - (2021-03-18) + +### Features + +- Port redis-py's client implementation to aioredis. + (see #891) + +- Make hiredis an optional dependency. + (see #917) + + +## 1.3.1 (2019-12-02) + +### Bugfixes + +- Fix transaction data decoding + (see #657) +- Fix duplicate calls to `pool.wait_closed()` upon `create_pool()` exception. + (see #671) + +### Deprecations and Removals + +- Drop explicit loop requirement in API. + Deprecate `loop` argument. + Throw warning in Python 3.8+ if explicit `loop` is passed to methods. + (see #666) + +### Misc + +- (#643, #646, #648) + +## 1.3.0 (2019-09-24) + +### Features + +- Added `xdel` and `xtrim` method which missed in `commands/streams.py` & also added unit test code for them + (see #438) +- Add `count` argument to `spop` command + (see #485) +- Add support for `zpopmax` and `zpopmin` redis commands + (see #550) +- Add `towncrier`: change notes are now stored in `CHANGES.txt` + (see #576) +- Type hints for the library + (see #584) +- A few additions to the sorted set commands: +- the blocking pop commands: `BZPOPMAX` and `BZPOPMIN` +- the `CH` and `INCR` options of the `ZADD` command + (see #618) +- Added `no_ack` parameter to `xread_group` streams method in `commands/streams.py` + (see #625) + +### Bugfixes + +- Fix for sensitive logging + (see #459) +- Fix slow memory leak in `wait_closed` implementation + (see #498) +- Fix handling of instances were Redis returns null fields for a stream message (see + \#605) + +### Improved Documentation + +- Rewrite "Getting started" documentation. + (see #641) + +### Misc + +- #585, + #611, + #612, + #619, + #620, + #642) + +## 1.2.0 (2018-10-24) + + +### Features + +- Implemented new Stream command support + (see #299) +- Reduce `encode_command()` cost about 60% + (see #397) + +### Bugfixes + +- Fix pipeline commands buffering was causing multiple `sendto` syscalls + (see #464) + and #473) +- Python 3.7 compatibility fixes + (see #426) +- Fix typos in documentation + (see #400) +- Fix `INFO` command result parsing + (see #405) +- Fix bug in `ConnectionsPool._drop_closed` method + (see #461) + +### Miscellaneous + +- Update dependencies versions +- Multiple tests improvements +## 1.1.0 (2018-02-16) + + +### Features + +- Implement new commands: `wait`, `touch`, `swapdb`, `unlink` + (see #376) +- Add `async_op` argument to `flushall` and `flushdb` commands + (see #364, #370) + +### Bugfixes + +- **Important!** Fix Sentinel sentinel client with pool `minsize` + greater than 1 + (see #380) +- Fix `SentinelPool.discover_timeout` usage + (see #379) +- Fix `Receiver` hang on disconnect + (see #354, #366) +- Fix an issue with `subscribe`/`psubscribe` with empty pool + (see #351, #355) +- Fix an issue when `StreamReader`'s feed_data is called before set_parser + (see #347) + +### Miscellaneous + +- Update dependencies versions +- Multiple test fixes + +## 1.0.0 (2017-11-17) + + +### Features + +- **Important!** Drop Python 3.3, 3.4 support + (see #321, #323, #326) + +- **Important!** Connections pool has been refactored; now `create_redis` + function will yield `Redis` instance instead of `RedisPool` + (see #129) +- **Important!** Change sorted set commands reply format: + return list of tuples instead of plain list for commands + accepting `withscores` argument + (see #334) +- **Important!** Change `hscan` command reply format: + return list of tuples instead of mixed key-value list + (see #335) +- Implement Redis URI support as supported `address` argument value + (see #322) +- Dropped `create_reconnecting_redis`, `create_redis_pool` should be + used instead +- Implement custom `StreamReader` + (see #273) +- Implement Sentinel support + (see #181) +- Implement pure-python parser + (see #212) +- Add `migrate_keys` command + (see #187) +- Add `zrevrangebylex` command + (see #201) +- Add `command`, `command_count`, `command_getkeys` and + `command_info` commands + (see #229) +- Add `ping` support in pubsub connection + (see #264) +- Add `exist` parameter to `zadd` command + (see #288) +- Add `MaxClientsError` and implement `ReplyError` specialization + (see #325) +- Add `encoding` parameter to sorted set commands + (see #289) + +### Bugfixes + +- Fix `CancelledError` in `conn._reader_task` + (see #301) +- Fix pending commands cancellation with `CancelledError`, + use explicit exception instead of calling `cancel()` method + (see #316) +- Correct error message on Sentinel discovery of master/slave with password + (see #327) +- Fix `bytearray` support as command argument + (see #329) +- Fix critical bug in patched asyncio.Lock + (see #256) +- Fix Multi/Exec transaction canceled error + (see #225) +- Add missing arguments to `create_redis` and `create_redis_pool` +- Fix deprecation warning + (see #191) +- Make correct `__aiter__()` + (see #192) +- Backward compatibility fix for `with (yield from pool) as conn:` + (see #205) +- Fixed pubsub receiver stop() + (see #211) + +### Miscellaneous + +- Multiple test fixes +- Add PyPy3 to build matrix +- Update dependencies versions +- Add missing Python 3.6 classifier + +## 0.3.5 (2017-11-08) + + +### Bugfixes + +- Fix for indistinguishable futures cancellation with `asyncio.CancelledError` + (see #316, cherry-picked from master) + +## 0.3.4 (2017-10-25) + + +### Bugfixes + +- Fix time command result decoding when using connection-wide encoding setting + (see #266) + +## 0.3.3 (2017-06-30) + + +### Bugfixes + +- Critical bug fixed in patched asyncio.Lock + (see #256) + +## 0.3.2 (2017-06-21) + + +### Features + +- Added `zrevrangebylex` command + (see #201 cherry-picked from master) +- Add connection timeout + (see #221, cherry-picked from master) + +### Bugfixes + +- Fixed pool close warning + (see #239, #236, + cherry-picked from master +- Fixed asyncio Lock deadlock issue + (see #231, #241) + +## 0.3.1 (2017-05-09) + + +### Bugfixes + +- Fix pubsub Receiver missing iter() method + (see #203) + +## 0.3.0 (2017-01-11) + + +### Features + +- Pub/Sub connection commands accept `Channel` instances + (see #168) +- Implement new Pub/Sub MPSC (multi-producers, single-consumer) Queue -- + `aioredis.pubsub.Receiver` + (see #176) +- Add `aioredis.abc` module providing abstract base classes + defining interface for basic lib components (see #176) +- Implement Geo commands support + (see #177, #179) + +### Bugfixes + +- Minor tests fixes +### Miscellaneous + +- Update examples and docs to use `async`/`await` syntax + also keeping `yield from` examples for history + (see #173) +- Reflow Travis CI configuration; add Python 3.6 section + (see #170) +- Add AppVeyor integration to run tests on Windows + (see #180) +- Update multiple development requirements + +## 0.2.9 (2016-10-24) + + +### Features + +- Allow multiple keys in `EXISTS` command + (see #156, #157) + +### Bugfixes + +- Close RedisPool when connection to Redis failed + (see #136) +- Add simple `INFO` command argument validation + (see #140) +- Remove invalid uses of `next()` + +### Miscellaneous + +- Update devel.rst docs; update Pub/Sub Channel docs (cross-refs) +- Update MANIFEST.in to include docs, examples and tests in source bundle + +## 0.2.8 (2016-07-22) + + +### Features + +- Add `hmset_dict` command + (see #130) +- Add `RedisConnection.address` property +- RedisPool `minsize`/`maxsize` must not be `None` +- Implement `close()`/`wait_closed()`/`closed` interface for pool + (see #128) + +### Bugfixes + +- Add test for `hstrlen` +- Test fixes + +### Miscellaneous + +- Enable Redis 3.2.0 on Travis +- Add spell checking when building docs + (see #132) +- Documentation updated + +## 0.2.7 (2016-05-27) + + +- `create_pool()` minsize default value changed to 1 +- Fixed cancellation of wait_closed + (see #118) +- Fixed `time()` conversion to float + (see #126) +- Fixed `hmset()` method to return bool instead of `b'OK'` + (see [#12)) +- Fixed multi/exec + watch issue (changed watch variable was causing + `tr.execute()` to fail) + (see #121) +- Replace `asyncio.Future` uses with utility method + (get ready to Python 3.5.2 `loop.create_future()`) +- Tests switched from unittest to pytest (see [#12)) +- Documentation updates + +## 0.2.6 (2016-03-30) + + +- Fixed Multi/Exec transactions cancellation issue + (see #110, #114) +- Fixed Pub/Sub subscribe concurrency issue + (see #113, #115) +- Add SSL/TLS support + (see #116) +- `aioredis.ConnectionClosedError` raised in `execute_pubsub` as well + (see #108) +- `Redis.slaveof()` method signature changed: now to disable + replication one should call `redis.slaveof(None)` instead of `redis.slaveof()` +- More tests added + +## 0.2.5 (2016-03-02) + + +- Close all Pub/Sub channels on connection close + (see #88) +- Add `iter()` method to `aioredis.Channel` allowing to use it + with `async for` + (see #89) +- Inline code samples in docs made runnable and downloadable + (see #92) +- Python 3.5 examples converted to use `async`/`await` syntax + (see #93) +- Fix Multi/Exec to honor encoding parameter + (see #94, #97) +- Add debug message in `create_connection` + (see #90) +- Replace `asyncio.async` calls with wrapper that respects asyncio version + (see #101) +- Use NODELAY option for TCP sockets + (see #105) +- New `aioredis.ConnectionClosedError` exception added. Raised if + connection to Redis server is lost + (see #108, #109) +- Fix RedisPool to close and drop connection in subscribe mode on release +- Fix `aioredis.util.decode` to recursively decode list responses +- More examples added and docs updated +- Add google groups link to README +- Bump year in LICENSE and docs + +## 0.2.4 (2015-10-13) + + +- Python 3.5 `async` support: + + - New scan commands API (`iscan`, `izscan`, `ihscan`) + - Pool made awaitable (allowing `with await pool: ...` and `async + with pool.get() as conn:` constructs) +- Fixed dropping closed connections from free pool + (see #83) +- Docs updated + +## 0.2.3 (2015-08-14) + + +- Redis cluster support work in progress +- Fixed pool issue causing pool growth over max size & `acquire` call hangs + (see #71) +- `info` server command result parsing implemented +- Fixed behavior of util functions + (see #70) +- `hstrlen` command added +- Few fixes in examples +- Few fixes in documentation + +## 0.2.2 (2015-07-07) + + +- Decoding data with `encoding` parameter now takes into account + list (array) replies + (see #68) +- `encoding` parameter added to following commands: + + - generic commands: keys, randomkey + - hash commands: hgetall, hkeys, hmget, hvals + - list commands: blpop, brpop, brpoplpush, lindex, lpop, lrange, rpop, rpoplpush + - set commands: smembers, spop, srandmember + - string commands: getrange, getset, mget +- Backward incompatibility: + + `ltrim` command now returns bool value instead of 'OK' +- Tests updated + +## 0.2.1 (2015-07-06) + + +- Logging added (aioredis.log module) +- Fixed issue with `wait_message` in pub/sub + (see #66) + +## 0.2.0 (2015-06-04) + + +- Pub/Sub support added +- Fix in `zrevrangebyscore` command + (see #62) +- Fixes/tests/docs + +## 0.1.5 (2014-12-09) + + +- AutoConnector added +- wait_closed method added for clean connections shutdown +- `zscore` command fixed +- Test fixes + +## 0.1.4 (2014-09-22) + + +- Dropped following Redis methods -- `Redis.multi()`, + `Redis.exec()`, `Redis.discard()` +- `Redis.multi_exec` hack'ish property removed +- `Redis.multi_exec()` method added +- High-level commands implemented: + + - generic commands (tests) + - transactions commands (api stabilization). + +- Backward incompatibilities: + + - Following sorted set commands' API changed: + + `zcount`, `zrangebyscore`, `zremrangebyscore`, `zrevrangebyscore` + - set string command' API changed + + +## 0.1.3 (2014-08-08) + + +- RedisConnection.execute refactored to support commands pipelining + (see #33) +- Several fixes +- WIP on transactions and commands interface +- High-level commands implemented and tested: + + - hash commands + - hyperloglog commands + - set commands + - scripting commands + - string commands + - list commands + +## 0.1.2 (2014-07-31) + + +- `create_connection`, `create_pool`, `create_redis` functions updated: db and password + arguments made keyword-only + (see #26) +- Fixed transaction handling + (see #32) +- Response decoding + (see #16) + +## 0.1.1 (2014-07-07) + + +- Transactions support (in connection, high-level commands have some issues) +- Docs & tests updated. + + +## 0.1.0 (2014-06-24) + + +- Initial release +- RedisConnection implemented +- RedisPool implemented +- Docs for RedisConnection & RedisPool +- WIP on high-level API. + diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/RECORD new file mode 100644 index 0000000..1808b14 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/RECORD @@ -0,0 +1,26 @@ +aioredis-2.0.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +aioredis-2.0.0.dist-info/LICENSE,sha256=GDsh8kDkGvYRyVHQHU82eT1HCoLV_Xnvwh8lrkz2hUM,1119 +aioredis-2.0.0.dist-info/METADATA,sha256=6m1R4G2icWriS2SJdxbqrWimZWVT5JMT2xDatNzEzh8,15317 +aioredis-2.0.0.dist-info/RECORD,, 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1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/top_level.txt new file mode 100644 index 0000000..8b37341 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis-2.0.0.dist-info/top_level.txt @@ -0,0 +1 @@ +aioredis diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/__init__.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/__init__.py new file mode 100644 index 0000000..063d720 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/__init__.py @@ -0,0 +1,59 @@ +from aioredis.client import Redis, StrictRedis +from aioredis.connection import ( + BlockingConnectionPool, + Connection, + ConnectionPool, + SSLConnection, + UnixDomainSocketConnection, +) +from aioredis.exceptions import ( + AuthenticationError, + AuthenticationWrongNumberOfArgsError, + BusyLoadingError, + ChildDeadlockedError, + ConnectionError, + DataError, + InvalidResponse, + PubSubError, + ReadOnlyError, + RedisError, + ResponseError, + TimeoutError, + WatchError, +) +from aioredis.utils import from_url + + +def int_or_str(value): + try: + return int(value) + except ValueError: + return value + + +__version__ = "2.0.0" +VERSION = tuple(map(int_or_str, __version__.split("."))) + +__all__ = [ + "AuthenticationError", + "AuthenticationWrongNumberOfArgsError", + "BlockingConnectionPool", + "BusyLoadingError", + "ChildDeadlockedError", + "Connection", + "ConnectionError", + "ConnectionPool", + "DataError", + "from_url", + "InvalidResponse", + "PubSubError", + "ReadOnlyError", + "Redis", + "RedisError", + "ResponseError", + "SSLConnection", + "StrictRedis", + "TimeoutError", + "UnixDomainSocketConnection", + "WatchError", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/client.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/client.py new file mode 100644 index 0000000..8a7cd24 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/client.py @@ -0,0 +1,4740 @@ +import asyncio +import datetime +import hashlib +import inspect +import re +import time as mod_time +import warnings +from itertools import chain +from typing import ( + Any, + AsyncIterator, + Awaitable, + Callable, + Dict, + Iterable, + List, + Mapping, + NoReturn, + Optional, + Sequence, + Set, + Tuple, + Type, + TypeVar, + Union, +) + +from aioredis.compat import Protocol, TypedDict +from aioredis.connection import ( + Connection, + ConnectionPool, + EncodableT, + SSLConnection, + UnixDomainSocketConnection, +) +from aioredis.exceptions import ( + ConnectionError, + DataError, + ExecAbortError, + ModuleError, + NoScriptError, + PubSubError, + RedisError, + ResponseError, + TimeoutError, + WatchError, +) +from aioredis.lock import Lock +from aioredis.utils import safe_str, str_if_bytes + +AbsExpiryT = Union[int, datetime.datetime] +ExpiryT = Union[int, datetime.timedelta] +ZScoreBoundT = Union[float, str] # str allows for the [ or ( prefix +BitfieldOffsetT = Union[int, str] # str allows for #x syntax +_StringLikeT = Union[bytes, str, memoryview] +KeyT = _StringLikeT # Main redis key space +PatternT = _StringLikeT # Patterns matched against keys, fields etc +FieldT = EncodableT # Fields within hash tables, streams and geo commands +KeysT = Union[KeyT, Iterable[KeyT]] +ChannelT = _StringLikeT +GroupT = _StringLikeT # Consumer group +ConsumerT = _StringLikeT # Consumer name +StreamIdT = Union[int, _StringLikeT] +ScriptTextT = _StringLikeT +# Mapping is not covariant in the key type, which prevents +# Mapping[_StringLikeT, X from accepting arguments of type Dict[str, X]. Using +# a TypeVar instead of a Union allows mappings with any of the permitted types +# to be passed. Care is needed if there is more than one such mapping in a +# type signature because they will all be required to be the same key type. +AnyKeyT = TypeVar("AnyKeyT", bytes, str, memoryview) +AnyFieldT = TypeVar("AnyFieldT", bytes, str, memoryview) +AnyChannelT = TypeVar("AnyChannelT", bytes, str, memoryview) + +SYM_EMPTY = b"" +EMPTY_RESPONSE = "EMPTY_RESPONSE" + + +def list_or_args(keys: KeysT, args: Optional[KeysT]) -> KeysT: + # returns a single new list combining keys and args + try: + iter(keys) + # a string or bytes instance can be iterated, but indicates + # keys wasn't passed as a list + if isinstance(keys, (bytes, str)): + keys = [keys] + else: + keys = list(keys) + except TypeError: + keys = [keys] + if args: + keys.extend(args) + return keys + + +def timestamp_to_datetime(response): + """Converts a unix timestamp to a Python datetime object""" + if not response: + return None + try: + response = int(response) + except ValueError: + return None + return datetime.datetime.fromtimestamp(response) + + +def string_keys_to_dict(key_string, callback): + return dict.fromkeys(key_string.split(), callback) + + +class CaseInsensitiveDict(dict): + """Case insensitive dict implementation. Assumes string keys only.""" + + def __init__(self, data): + for k, v in data.items(): + self[k.upper()] = v + + def __contains__(self, k): + return super().__contains__(k.upper()) + + def __delitem__(self, k): + super().__delitem__(k.upper()) + + def __getitem__(self, k): + return super().__getitem__(k.upper()) + + def get(self, k, default=None): + return super().get(k.upper(), default) + + def __setitem__(self, k, v): + super().__setitem__(k.upper(), v) + + def update(self, data): + data = CaseInsensitiveDict(data) + super().update(data) + + +def parse_debug_object(response): + """Parse the results of Redis's DEBUG OBJECT command into a Python dict""" + # The 'type' of the object is the first item in the response, but isn't + # prefixed with a name + response = str_if_bytes(response) + response = "type:" + response + response = dict(kv.split(":") for kv in response.split()) + + # parse some expected int values from the string response + # note: this cmd isn't spec'd so these may not appear in all redis versions + int_fields = ("refcount", "serializedlength", "lru", "lru_seconds_idle") + for field in int_fields: + if field in response: + response[field] = int(response[field]) + + return response + + +def parse_object(response, infotype): + """Parse the results of an OBJECT command""" + if infotype in ("idletime", "refcount"): + return int_or_none(response) + return response + + +def parse_info(response): + """Parse the result of Redis's INFO command into a Python dict""" + info = {} + response = str_if_bytes(response) + + def get_value(value): + if "," not in value or "=" not in value: + try: + if "." in value: + return float(value) + else: + return int(value) + except ValueError: + return value + else: + sub_dict = {} + for item in value.split(","): + k, v = item.rsplit("=", 1) + sub_dict[k] = get_value(v) + return sub_dict + + for line in response.splitlines(): + if line and not line.startswith("#"): + if line.find(":") != -1: + # Split, the info fields keys and values. + # Note that the value may contain ':'. but the 'host:' + # pseudo-command is the only case where the key contains ':' + key, value = line.split(":", 1) + if key == "cmdstat_host": + key, value = line.rsplit(":", 1) + + if key == "module": + # Hardcode a list for key 'modules' since there could be + # multiple lines that started with 'module' + info.setdefault("modules", []).append(get_value(value)) + else: + info[key] = get_value(value) + else: + # if the line isn't splittable, append it to the "__raw__" key + info.setdefault("__raw__", []).append(line) + + return info + + +def parse_memory_stats(response, **kwargs): + """Parse the results of MEMORY STATS""" + stats = pairs_to_dict(response, decode_keys=True, decode_string_values=True) + for key, value in stats.items(): + if key.startswith("db."): + stats[key] = pairs_to_dict( + value, decode_keys=True, decode_string_values=True + ) + return stats + + +SENTINEL_STATE_TYPES = { + "can-failover-its-master": int, + "config-epoch": int, + "down-after-milliseconds": int, + "failover-timeout": int, + "info-refresh": int, + "last-hello-message": int, + "last-ok-ping-reply": int, + "last-ping-reply": int, + "last-ping-sent": int, + "master-link-down-time": int, + "master-port": int, + "num-other-sentinels": int, + "num-slaves": int, + "o-down-time": int, + "pending-commands": int, + "parallel-syncs": int, + "port": int, + "quorum": int, + "role-reported-time": int, + "s-down-time": int, + "slave-priority": int, + "slave-repl-offset": int, + "voted-leader-epoch": int, +} + + +def parse_sentinel_state(item): + result = pairs_to_dict_typed(item, SENTINEL_STATE_TYPES) + flags = set(result["flags"].split(",")) + for name, flag in ( + ("is_master", "master"), + ("is_slave", "slave"), + ("is_sdown", "s_down"), + ("is_odown", "o_down"), + ("is_sentinel", "sentinel"), + ("is_disconnected", "disconnected"), + ("is_master_down", "master_down"), + ): + result[name] = flag in flags + return result + + +def parse_sentinel_master(response): + return parse_sentinel_state(map(str_if_bytes, response)) + + +def parse_sentinel_masters(response): + result = {} + for item in response: + state = parse_sentinel_state(map(str_if_bytes, item)) + result[state["name"]] = state + return result + + +def parse_sentinel_slaves_and_sentinels(response): + return [parse_sentinel_state(map(str_if_bytes, item)) for item in response] + + +def parse_sentinel_get_master(response): + return response and (response[0], int(response[1])) or None + + +def pairs_to_dict(response, decode_keys=False, decode_string_values=False): + """Create a dict given a list of key/value pairs""" + if response is None: + return {} + if decode_keys or decode_string_values: + # the iter form is faster, but I don't know how to make that work + # with a str_if_bytes() map + keys = response[::2] + if decode_keys: + keys = map(str_if_bytes, keys) + values = response[1::2] + if decode_string_values: + values = map(str_if_bytes, values) + return dict(zip(keys, values)) + else: + it = iter(response) + return dict(zip(it, it)) + + +def pairs_to_dict_typed(response, type_info): + it = iter(response) + result = {} + for key, value in zip(it, it): + if key in type_info: + try: + value = type_info[key](value) + except Exception: + # if for some reason the value can't be coerced, just use + # the string value + pass + result[key] = value + return result + + +def zset_score_pairs(response, **options): + """ + If ``withscores`` is specified in the options, return the response as + a list of (value, score) pairs + """ + if not response or not options.get("withscores"): + return response + score_cast_func = options.get("score_cast_func", float) + it = iter(response) + return list(zip(it, map(score_cast_func, it))) + + +def sort_return_tuples(response, **options): + """ + If ``groups`` is specified, return the response as a list of + n-element tuples with n being the value found in options['groups'] + """ + if not response or not options.get("groups"): + return response + n = options["groups"] + return list(zip(*(response[i::n] for i in range(n)))) + + +def int_or_none(response): + if response is None: + return None + return int(response) + + +def parse_stream_list(response): + if response is None: + return None + data = [] + for r in response: + if r is not None: + data.append((r[0], pairs_to_dict(r[1]))) + else: + data.append((None, None)) + return data + + +def pairs_to_dict_with_str_keys(response): + return pairs_to_dict(response, decode_keys=True) + + +def parse_list_of_dicts(response): + return list(map(pairs_to_dict_with_str_keys, response)) + + +def parse_xclaim(response, **options): + if options.get("parse_justid", False): + return response + return parse_stream_list(response) + + +def parse_xinfo_stream(response): + data = pairs_to_dict(response, decode_keys=True) + first = data["first-entry"] + if first is not None: + data["first-entry"] = (first[0], pairs_to_dict(first[1])) + last = data["last-entry"] + if last is not None: + data["last-entry"] = (last[0], pairs_to_dict(last[1])) + return data + + +def parse_xread(response): + if response is None: + return [] + return [[r[0], parse_stream_list(r[1])] for r in response] + + +def parse_xpending(response, **options): + if options.get("parse_detail", False): + return parse_xpending_range(response) + consumers = [{"name": n, "pending": int(p)} for n, p in response[3] or []] + return { + "pending": response[0], + "min": response[1], + "max": response[2], + "consumers": consumers, + } + + +def parse_xpending_range(response): + k = ("message_id", "consumer", "time_since_delivered", "times_delivered") + return [dict(zip(k, r)) for r in response] + + +def float_or_none(response): + if response is None: + return None + return float(response) + + +def bool_ok(response): + return str_if_bytes(response) == "OK" + + +def parse_zadd(response, **options): + if response is None: + return None + if options.get("as_score"): + return float(response) + return int(response) + + +def parse_client_list(response, **options): + clients = [] + for c in str_if_bytes(response).splitlines(): + # Values might contain '=' + clients.append(dict(pair.split("=", 1) for pair in c.split(" "))) + return clients + + +def parse_config_get(response, **options): + response = [str_if_bytes(i) if i is not None else None for i in response] + return response and pairs_to_dict(response) or {} + + +def parse_scan(response, **options): + cursor, r = response + return int(cursor), r + + +def parse_hscan(response, **options): + cursor, r = response + return int(cursor), r and pairs_to_dict(r) or {} + + +def parse_zscan(response, **options): + score_cast_func = options.get("score_cast_func", float) + cursor, r = response + it = iter(r) + return int(cursor), list(zip(it, map(score_cast_func, it))) + + +def parse_slowlog_get(response, **options): + space = " " if options.get("decode_responses", False) else b" " + return [ + { + "id": item[0], + "start_time": int(item[1]), + "duration": int(item[2]), + # Redis Enterprise injects another entry at index [3], which has + # the complexity info (i.e. the value N in case the command has + # an O(N) complexity) instead of the command. + "command": ( + space.join(item[3]) + if isinstance(item[3], list) + else space.join(item[4]) + ), + } + for item in response + ] + + +def parse_cluster_info(response, **options): + response = str_if_bytes(response) + return dict(line.split(":") for line in response.splitlines() if line) + + +def _parse_node_line(line): + line_items = line.split(" ") + node_id, addr, flags, master_id, ping, pong, epoch, connected = line.split(" ")[:8] + slots = [sl.split("-") for sl in line_items[8:]] + node_dict = { + "node_id": node_id, + "flags": flags, + "master_id": master_id, + "last_ping_sent": ping, + "last_pong_rcvd": pong, + "epoch": epoch, + "slots": slots, + "connected": True if connected == "connected" else False, + } + return addr, node_dict + + +def parse_cluster_nodes(response, **options): + raw_lines = str_if_bytes(response).splitlines() + return dict(_parse_node_line(line) for line in raw_lines) + + +def parse_georadius_generic(response, **options): + if options["store"] or options["store_dist"]: + # `store` and `store_diff` cant be combined + # with other command arguments. + return response + + if type(response) != list: + response_list = [response] + else: + response_list = response + + if not options["withdist"] and not options["withcoord"] and not options["withhash"]: + # just a bunch of places + return response_list + + cast = { + "withdist": float, + "withcoord": lambda ll: (float(ll[0]), float(ll[1])), + "withhash": int, + } + + # zip all output results with each casting functino to get + # the properly native Python value. + f = [lambda x: x] + f += [cast[o] for o in ["withdist", "withhash", "withcoord"] if options[o]] + return [list(map(lambda fv: fv[0](fv[1]), zip(f, r))) for r in response_list] + + +def parse_pubsub_numsub(response, **options): + return list(zip(response[0::2], response[1::2])) + + +def parse_client_kill(response, **options): + if isinstance(response, int): + return response + return str_if_bytes(response) == "OK" + + +def parse_acl_getuser(response, **options): + if response is None: + return None + data = pairs_to_dict(response, decode_keys=True) + + # convert everything but user-defined data in 'keys' to native strings + data["flags"] = list(map(str_if_bytes, data["flags"])) + data["passwords"] = list(map(str_if_bytes, data["passwords"])) + data["commands"] = str_if_bytes(data["commands"]) + + # split 'commands' into separate 'categories' and 'commands' lists + commands, categories = [], [] + for command in data["commands"].split(" "): + if "@" in command: + categories.append(command) + else: + commands.append(command) + + data["commands"] = commands + data["categories"] = categories + data["enabled"] = "on" in data["flags"] + return data + + +def parse_acl_log(response, **options): + if response is None: + return None + if isinstance(response, list): + data = [] + for log in response: + log_data = pairs_to_dict(log, True, True) + client_info = log_data.get("client-info", "") + log_data["client-info"] = parse_client_info(client_info) + + # float() is lossy comparing to the "double" in C + log_data["age-seconds"] = float(log_data["age-seconds"]) + data.append(log_data) + else: + data = bool_ok(response) + return data + + +def parse_client_info(value): + """ + Parsing client-info in ACL Log in following format. + "key1=value1 key2=value2 key3=value3" + """ + client_info = {} + infos = value.split(" ") + for info in infos: + key, value = info.split("=") + client_info[key] = value + + # Those fields are definded as int in networking.c + for int_key in { + "id", + "age", + "idle", + "db", + "sub", + "psub", + "multi", + "qbuf", + "qbuf-free", + "obl", + "oll", + "omem", + }: + client_info[int_key] = int(client_info[int_key]) + return client_info + + +def parse_module_result(response): + if isinstance(response, ModuleError): + raise response + return True + + +class ResponseCallbackProtocol(Protocol): + def __call__(self, response: Any, **kwargs): + ... + + +class AsyncResponseCallbackProtocol(Protocol): + async def __call__(self, response: Any, **kwargs): + ... + + +ResponseCallbackT = Union[ResponseCallbackProtocol, AsyncResponseCallbackProtocol] + + +_R = TypeVar("_R") + + +class Redis: + """ + Implementation of the Redis protocol. + + This abstract class provides a Python interface to all Redis commands + and an implementation of the Redis protocol. + + Connection and Pipeline derive from this, implementing how + the commands are sent and received to the Redis server + """ + + RESPONSE_CALLBACKS = { + **string_keys_to_dict( + "AUTH EXPIRE EXPIREAT HEXISTS HMSET MOVE MSETNX PERSIST " + "PSETEX RENAMENX SISMEMBER SMOVE SETEX SETNX", + bool, + ), + **string_keys_to_dict( + "BITCOUNT BITPOS DECRBY DEL EXISTS GEOADD GETBIT HDEL HLEN " + "HSTRLEN INCRBY LINSERT LLEN LPUSHX PFADD PFCOUNT RPUSHX SADD " + "SCARD SDIFFSTORE SETBIT SETRANGE SINTERSTORE SREM STRLEN " + "SUNIONSTORE UNLINK XACK XDEL XLEN XTRIM ZCARD ZLEXCOUNT ZREM " + "ZREMRANGEBYLEX ZREMRANGEBYRANK ZREMRANGEBYSCORE", + int, + ), + **string_keys_to_dict("INCRBYFLOAT HINCRBYFLOAT", float), + **string_keys_to_dict( + # these return OK, or int if redis-server is >=1.3.4 + "LPUSH RPUSH", + lambda r: isinstance(r, int) and r or str_if_bytes(r) == "OK", + ), + **string_keys_to_dict("SORT", sort_return_tuples), + **string_keys_to_dict("ZSCORE ZINCRBY GEODIST", float_or_none), + **string_keys_to_dict( + "FLUSHALL FLUSHDB LSET LTRIM MSET PFMERGE READONLY READWRITE " + "RENAME SAVE SELECT SHUTDOWN SLAVEOF SWAPDB WATCH UNWATCH ", + bool_ok, + ), + **string_keys_to_dict("BLPOP BRPOP", lambda r: r and tuple(r) or None), + **string_keys_to_dict( + "SDIFF SINTER SMEMBERS SUNION", lambda r: r and set(r) or set() + ), + **string_keys_to_dict( + "ZPOPMAX ZPOPMIN ZRANGE ZRANGEBYSCORE ZREVRANGE ZREVRANGEBYSCORE", + zset_score_pairs, + ), + **string_keys_to_dict( + "BZPOPMIN BZPOPMAX", lambda r: r and (r[0], r[1], float(r[2])) or None + ), + **string_keys_to_dict("ZRANK ZREVRANK", int_or_none), + **string_keys_to_dict("XREVRANGE XRANGE", parse_stream_list), + **string_keys_to_dict("XREAD XREADGROUP", parse_xread), + **string_keys_to_dict("BGREWRITEAOF BGSAVE", lambda r: True), + "ACL CAT": lambda r: list(map(str_if_bytes, r)), + "ACL DELUSER": int, + "ACL GENPASS": str_if_bytes, + "ACL GETUSER": parse_acl_getuser, + "ACL LIST": lambda r: list(map(str_if_bytes, r)), + "ACL LOAD": bool_ok, + "ACL LOG": parse_acl_log, + "ACL SAVE": bool_ok, + "ACL SETUSER": bool_ok, + "ACL USERS": lambda r: list(map(str_if_bytes, r)), + "ACL WHOAMI": str_if_bytes, + "CLIENT GETNAME": str_if_bytes, + "CLIENT ID": int, + "CLIENT KILL": parse_client_kill, + "CLIENT LIST": parse_client_list, + "CLIENT SETNAME": bool_ok, + "CLIENT UNBLOCK": lambda r: r and int(r) == 1 or False, + "CLIENT PAUSE": bool_ok, + "CLUSTER ADDSLOTS": bool_ok, + "CLUSTER COUNT-FAILURE-REPORTS": lambda x: int(x), + "CLUSTER COUNTKEYSINSLOT": lambda x: int(x), + "CLUSTER DELSLOTS": bool_ok, + "CLUSTER FAILOVER": bool_ok, + "CLUSTER FORGET": bool_ok, + "CLUSTER INFO": parse_cluster_info, + "CLUSTER KEYSLOT": lambda x: int(x), + "CLUSTER MEET": bool_ok, + "CLUSTER NODES": parse_cluster_nodes, + "CLUSTER REPLICATE": bool_ok, + "CLUSTER RESET": bool_ok, + "CLUSTER SAVECONFIG": bool_ok, + "CLUSTER SET-CONFIG-EPOCH": bool_ok, + "CLUSTER SETSLOT": bool_ok, + "CLUSTER SLAVES": parse_cluster_nodes, + "CONFIG GET": parse_config_get, + "CONFIG RESETSTAT": bool_ok, + "CONFIG SET": bool_ok, + "DEBUG OBJECT": parse_debug_object, + "GEOHASH": lambda r: list(map(str_if_bytes, r)), + "GEOPOS": lambda r: list( + map(lambda ll: (float(ll[0]), float(ll[1])) if ll is not None else None, r) + ), + "GEORADIUS": parse_georadius_generic, + "GEORADIUSBYMEMBER": parse_georadius_generic, + "HGETALL": lambda r: r and pairs_to_dict(r) or {}, + "HSCAN": parse_hscan, + "INFO": parse_info, + "LASTSAVE": timestamp_to_datetime, + "MEMORY PURGE": bool_ok, + "MEMORY STATS": parse_memory_stats, + "MEMORY USAGE": int_or_none, + "MODULE LOAD": parse_module_result, + "MODULE UNLOAD": parse_module_result, + "MODULE LIST": lambda r: [pairs_to_dict(m) for m in r], + "OBJECT": parse_object, + "PING": lambda r: str_if_bytes(r) == "PONG", + "PUBSUB NUMSUB": parse_pubsub_numsub, + "RANDOMKEY": lambda r: r and r or None, + "SCAN": parse_scan, + "SCRIPT EXISTS": lambda r: list(map(bool, r)), + "SCRIPT FLUSH": bool_ok, + "SCRIPT KILL": bool_ok, + "SCRIPT LOAD": str_if_bytes, + "SENTINEL GET-MASTER-ADDR-BY-NAME": parse_sentinel_get_master, + "SENTINEL MASTER": parse_sentinel_master, + "SENTINEL MASTERS": parse_sentinel_masters, + "SENTINEL MONITOR": bool_ok, + "SENTINEL REMOVE": bool_ok, + "SENTINEL SENTINELS": parse_sentinel_slaves_and_sentinels, + "SENTINEL SET": bool_ok, + "SENTINEL SLAVES": parse_sentinel_slaves_and_sentinels, + "SET": lambda r: r and str_if_bytes(r) == "OK", + "SLOWLOG GET": parse_slowlog_get, + "SLOWLOG LEN": int, + "SLOWLOG RESET": bool_ok, + "SSCAN": parse_scan, + "TIME": lambda x: (int(x[0]), int(x[1])), + "XCLAIM": parse_xclaim, + "XGROUP CREATE": bool_ok, + "XGROUP DELCONSUMER": int, + "XGROUP DESTROY": bool, + "XGROUP SETID": bool_ok, + "XINFO CONSUMERS": parse_list_of_dicts, + "XINFO GROUPS": parse_list_of_dicts, + "XINFO STREAM": parse_xinfo_stream, + "XPENDING": parse_xpending, + "ZADD": parse_zadd, + "ZSCAN": parse_zscan, + } + + @classmethod + def from_url(cls, url: str, **kwargs): + """ + Return a Redis client object configured from the given URL + + For example:: + + redis://[[username]:[password]]@localhost:6379/0 + rediss://[[username]:[password]]@localhost:6379/0 + unix://[[username]:[password]]@/path/to/socket.sock?db=0 + + Three URL schemes are supported: + + - `redis://` creates a TCP socket connection. See more at: + + - `rediss://` creates a SSL wrapped TCP socket connection. See more at: + + - ``unix://``: creates a Unix Domain Socket connection. + + The username, password, hostname, path and all querystring values + are passed through urllib.parse.unquote in order to replace any + percent-encoded values with their corresponding characters. + + There are several ways to specify a database number. The first value + found will be used: + 1. A ``db`` querystring option, e.g. redis://localhost?db=0 + 2. If using the redis:// or rediss:// schemes, the path argument + of the url, e.g. redis://localhost/0 + 3. A ``db`` keyword argument to this function. + + If none of these options are specified, the default db=0 is used. + + All querystring options are cast to their appropriate Python types. + Boolean arguments can be specified with string values "True"/"False" + or "Yes"/"No". Values that cannot be properly cast cause a + ``ValueError`` to be raised. Once parsed, the querystring arguments + and keyword arguments are passed to the ``ConnectionPool``'s + class initializer. In the case of conflicting arguments, querystring + arguments always win. + + """ + connection_pool = ConnectionPool.from_url(url, **kwargs) + return cls(connection_pool=connection_pool) + + def __init__( + self, + *, + host: str = "localhost", + port: int = 6379, + db: Union[str, int] = 0, + password: str = None, + socket_timeout: float = None, + socket_connect_timeout: float = None, + socket_keepalive: bool = None, + socket_keepalive_options: Dict[str, Any] = None, + connection_pool: ConnectionPool = None, + unix_socket_path: str = None, + encoding: str = "utf-8", + encoding_errors: str = "strict", + decode_responses: bool = False, + retry_on_timeout: bool = False, + ssl: bool = False, + ssl_keyfile: str = None, + ssl_certfile: str = None, + ssl_cert_reqs: str = "required", + ssl_ca_certs: str = None, + ssl_check_hostname: bool = False, + max_connections: int = None, + single_connection_client: bool = False, + health_check_interval: int = 0, + client_name: str = None, + username: str = None, + ): + kwargs: Dict[str, Any] + if not connection_pool: + kwargs = { + "db": db, + "username": username, + "password": password, + "socket_timeout": socket_timeout, + "encoding": encoding, + "encoding_errors": encoding_errors, + "decode_responses": decode_responses, + "retry_on_timeout": retry_on_timeout, + "max_connections": max_connections, + "health_check_interval": health_check_interval, + "client_name": client_name, + } + # based on input, setup appropriate connection args + if unix_socket_path is not None: + kwargs.update( + { + "path": unix_socket_path, + "connection_class": UnixDomainSocketConnection, + } + ) + else: + # TCP specific options + kwargs.update( + { + "host": host, + "port": port, + "socket_connect_timeout": socket_connect_timeout, + "socket_keepalive": socket_keepalive, + "socket_keepalive_options": socket_keepalive_options, + } + ) + + if ssl: + kwargs.update( + { + "connection_class": SSLConnection, + "ssl_keyfile": ssl_keyfile, + "ssl_certfile": ssl_certfile, + "ssl_cert_reqs": ssl_cert_reqs, + "ssl_ca_certs": ssl_ca_certs, + "ssl_check_hostname": ssl_check_hostname, + } + ) + connection_pool = ConnectionPool(**kwargs) + self.connection_pool = connection_pool + self.single_connection_client = single_connection_client + self.connection = None + + self.response_callbacks = CaseInsensitiveDict(self.__class__.RESPONSE_CALLBACKS) + + def __repr__(self): + return f"{self.__class__.__name__}<{self.connection_pool!r}>" + + def __await__(self): + return self.initialize().__await__() + + async def initialize(self): + if self.single_connection_client and self.connection is None: + self.connection = await self.connection_pool.get_connection("_") + return self + + def set_response_callback(self, command: str, callback: ResponseCallbackT): + """Set a custom Response Callback""" + self.response_callbacks[command] = callback + + def pipeline(self, transaction: bool = True, shard_hint: str = None) -> "Pipeline": + """ + Return a new pipeline object that can queue multiple commands for + later execution. ``transaction`` indicates whether all commands + should be executed atomically. Apart from making a group of operations + atomic, pipelines are useful for reducing the back-and-forth overhead + between the client and server. + """ + return Pipeline( + self.connection_pool, self.response_callbacks, transaction, shard_hint + ) + + async def transaction( + self, + func: Callable[["Pipeline"], Union[Any, Awaitable[Any]]], + *watches: KeyT, + shard_hint: str = None, + value_from_callable: bool = False, + watch_delay: float = None, + ): + """ + Convenience method for executing the callable `func` as a transaction + while watching all keys specified in `watches`. The 'func' callable + should expect a single argument which is a Pipeline object. + """ + pipe: Pipeline + async with self.pipeline(True, shard_hint) as pipe: + while True: + try: + if watches: + await pipe.watch(*watches) + func_value = func(pipe) + if inspect.isawaitable(func_value): + func_value = await func_value + exec_value = await pipe.execute() + return func_value if value_from_callable else exec_value + except WatchError: + if watch_delay is not None and watch_delay > 0: + await asyncio.sleep(watch_delay) + continue + + def lock( + self, + name: KeyT, + timeout: float = None, + sleep: float = 0.1, + blocking_timeout: float = None, + lock_class: Type[Lock] = None, + thread_local=True, + ) -> Lock: + """ + Return a new Lock object using key ``name`` that mimics + the behavior of threading.Lock. + + If specified, ``timeout`` indicates a maximum life for the lock. + By default, it will remain locked until release() is called. + + ``sleep`` indicates the amount of time to sleep per loop iteration + when the lock is in blocking mode and another client is currently + holding the lock. + + ``blocking_timeout`` indicates the maximum amount of time in seconds to + spend trying to acquire the lock. A value of ``None`` indicates + continue trying forever. ``blocking_timeout`` can be specified as a + float or integer, both representing the number of seconds to wait. + + ``lock_class`` forces the specified lock implementation. + + ``thread_local`` indicates whether the lock token is placed in + thread-local storage. By default, the token is placed in thread local + storage so that a thread only sees its token, not a token set by + another thread. Consider the following timeline: + + time: 0, thread-1 acquires `my-lock`, with a timeout of 5 seconds. + thread-1 sets the token to "abc" + time: 1, thread-2 blocks trying to acquire `my-lock` using the + Lock instance. + time: 5, thread-1 has not yet completed. redis expires the lock + key. + time: 5, thread-2 acquired `my-lock` now that it's available. + thread-2 sets the token to "xyz" + time: 6, thread-1 finishes its work and calls release(). if the + token is *not* stored in thread local storage, then + thread-1 would see the token value as "xyz" and would be + able to successfully release the thread-2's lock. + + In some use cases it's necessary to disable thread local storage. For + example, if you have code where one thread acquires a lock and passes + that lock instance to a worker thread to release later. If thread + local storage isn't disabled in this case, the worker thread won't see + the token set by the thread that acquired the lock. Our assumption + is that these cases aren't common and as such default to using + thread local storage.""" + if lock_class is None: + lock_class = Lock + return lock_class( + self, + name, + timeout=timeout, + sleep=sleep, + blocking_timeout=blocking_timeout, + thread_local=thread_local, + ) + + def pubsub(self, **kwargs) -> "PubSub": + """ + Return a Publish/Subscribe object. With this object, you can + subscribe to channels and listen for messages that get published to + them. + """ + return PubSub(self.connection_pool, **kwargs) + + def monitor(self) -> "Monitor": + return Monitor(self.connection_pool) + + def client(self) -> "Redis": + return self.__class__( + connection_pool=self.connection_pool, single_connection_client=True + ) + + __aenter__ = initialize + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.close() + + def __del__(self): + try: + loop = asyncio.get_event_loop() + if loop.is_running(): + loop.create_task(self.close()) + else: + loop.run_until_complete(self.close()) + except Exception: + pass + + async def close(self): + conn = self.connection + if conn: + self.connection = None + await self.connection_pool.release(conn) + + # COMMAND EXECUTION AND PROTOCOL PARSING + async def execute_command(self, *args, **options): + """Execute a command and return a parsed response""" + await self.initialize() + pool = self.connection_pool + command_name = args[0] + conn = self.connection or await pool.get_connection(command_name, **options) + try: + await conn.send_command(*args) + return await self.parse_response(conn, command_name, **options) + except (ConnectionError, TimeoutError) as e: + await conn.disconnect() + if not (conn.retry_on_timeout and isinstance(e, TimeoutError)): + raise + await conn.send_command(*args) + return await self.parse_response(conn, command_name, **options) + finally: + if not self.connection: + await pool.release(conn) + + async def parse_response( + self, connection: Connection, command_name: Union[str, bytes], **options + ): + """Parses a response from the Redis server""" + try: + response = await connection.read_response() + except ResponseError: + if EMPTY_RESPONSE in options: + return options[EMPTY_RESPONSE] + raise + if command_name in self.response_callbacks: + retval = self.response_callbacks[command_name](response, **options) + return await retval if inspect.isawaitable(retval) else retval + return response + + # SERVER INFORMATION + + # ACL methods + def acl_cat(self, category: str = None) -> Awaitable: + """ + Returns a list of categories or commands within a category. + + If ``category`` is not supplied, returns a list of all categories. + If ``category`` is supplied, returns a list of all commands within + that category. + """ + pieces: List[EncodableT] = [category] if category else [] + return self.execute_command("ACL CAT", *pieces) + + def acl_deluser(self, username: str) -> Awaitable: + """Delete the ACL for the specified ``username``""" + return self.execute_command("ACL DELUSER", username) + + def acl_genpass(self) -> Awaitable: + """Generate a random password value""" + return self.execute_command("ACL GENPASS") + + def acl_getuser(self, username: str) -> Awaitable: + """ + Get the ACL details for the specified ``username``. + + If ``username`` does not exist, return None + """ + return self.execute_command("ACL GETUSER", username) + + def acl_list(self) -> Awaitable: + """Return a list of all ACLs on the server""" + return self.execute_command("ACL LIST") + + def acl_log(self, count: int = None) -> Awaitable: + """ + Get ACL logs as a list. + :param int count: Get logs[0:count]. + :rtype: List. + """ + args = [] + if count is not None: + if not isinstance(count, int): + raise DataError("ACL LOG count must be an integer") + args.append(count) + + return self.execute_command("ACL LOG", *args) + + def acl_log_reset(self) -> Awaitable: + """ + Reset ACL logs. + :rtype: Boolean. + """ + args = [b"RESET"] + return self.execute_command("ACL LOG", *args) + + def acl_load(self) -> Awaitable: + """ + Load ACL rules from the configured ``aclfile``. + + Note that the server must be configured with the ``aclfile`` + directive to be able to load ACL rules from an aclfile. + """ + return self.execute_command("ACL LOAD") + + def acl_save(self) -> Awaitable: + """ + Save ACL rules to the configured ``aclfile``. + + Note that the server must be configured with the ``aclfile`` + directive to be able to save ACL rules to an aclfile. + """ + return self.execute_command("ACL SAVE") + + def acl_setuser( # noqa: C901 + self, + username: str, + enabled: bool = False, + nopass: bool = False, + passwords: Union[str, Iterable[str]] = None, + hashed_passwords: Union[str, Iterable[str]] = None, + categories: Iterable[str] = None, + commands: Iterable[str] = None, + keys: Iterable[KeyT] = None, + reset: bool = False, + reset_keys: bool = False, + reset_passwords: bool = False, + ) -> Awaitable: + """ + Create or update an ACL user. + + Create or update the ACL for ``username``. If the user already exists, + the existing ACL is completely overwritten and replaced with the + specified values. + + ``enabled`` is a boolean indicating whether the user should be allowed + to authenticate or not. Defaults to ``False``. + + ``nopass`` is a boolean indicating whether the can authenticate without + a password. This cannot be True if ``passwords`` are also specified. + + ``passwords`` if specified is a list of plain text passwords + to add to or remove from the user. Each password must be prefixed with + a '+' to add or a '-' to remove. For convenience, the value of + ``passwords`` can be a simple prefixed string when adding or + removing a single password. + + ``hashed_passwords`` if specified is a list of SHA-256 hashed passwords + to add to or remove from the user. Each hashed password must be + prefixed with a '+' to add or a '-' to remove. For convenience, + the value of ``hashed_passwords`` can be a simple prefixed string when + adding or removing a single password. + + ``categories`` if specified is a list of strings representing category + permissions. Each string must be prefixed with either a '+' to add the + category permission or a '-' to remove the category permission. + + ``commands`` if specified is a list of strings representing command + permissions. Each string must be prefixed with either a '+' to add the + command permission or a '-' to remove the command permission. + + ``keys`` if specified is a list of key patterns to grant the user + access to. Keys patterns allow '*' to support wildcard matching. For + example, '*' grants access to all keys while 'cache:*' grants access + to all keys that are prefixed with 'cache:'. ``keys`` should not be + prefixed with a '~'. + + ``reset`` is a boolean indicating whether the user should be fully + reset prior to applying the new ACL. Setting this to True will + remove all existing passwords, flags and privileges from the user and + then apply the specified rules. If this is False, the user's existing + passwords, flags and privileges will be kept and any new specified + rules will be applied on top. + + ``reset_keys`` is a boolean indicating whether the user's key + permissions should be reset prior to applying any new key permissions + specified in ``keys``. If this is False, the user's existing + key permissions will be kept and any new specified key permissions + will be applied on top. + + ``reset_passwords`` is a boolean indicating whether to remove all + existing passwords and the 'nopass' flag from the user prior to + applying any new passwords specified in 'passwords' or + 'hashed_passwords'. If this is False, the user's existing passwords + and 'nopass' status will be kept and any new specified passwords + or hashed_passwords will be applied on top. + """ + encoder = self.connection_pool.get_encoder() + pieces: List[Union[str, bytes]] = [username] + + if reset: + pieces.append(b"reset") + + if reset_keys: + pieces.append(b"resetkeys") + + if reset_passwords: + pieces.append(b"resetpass") + + if enabled: + pieces.append(b"on") + else: + pieces.append(b"off") + + if (passwords or hashed_passwords) and nopass: + raise DataError( + "Cannot set 'nopass' and supply " "'passwords' or 'hashed_passwords'" + ) + + if passwords: + # as most users will have only one password, allow remove_passwords + # to be specified as a simple string or a list + passwords = list_or_args(passwords, []) + for i, password in enumerate(passwords): + password = encoder.encode(password) + if password.startswith(b"+"): + pieces.append(b">%s" % password[1:]) + elif password.startswith(b"-"): + pieces.append(b"<%s" % password[1:]) + else: + raise DataError( + "Password %d must be prefixeed with a " + '"+" to add or a "-" to remove' % i + ) + + if hashed_passwords: + # as most users will have only one password, allow remove_passwords + # to be specified as a simple string or a list + hashed_passwords = list_or_args(hashed_passwords, []) + for i, hashed_password in enumerate(hashed_passwords): + hashed_password = encoder.encode(hashed_password) + if hashed_password.startswith(b"+"): + pieces.append(b"#%s" % hashed_password[1:]) + elif hashed_password.startswith(b"-"): + pieces.append(b"!%s" % hashed_password[1:]) + else: + raise DataError( + "Hashed %d password must be prefixeed " + 'with a "+" to add or a "-" to remove' % i + ) + + if nopass: + pieces.append(b"nopass") + + if categories: + for category in categories: + category = encoder.encode(category) + # categories can be prefixed with one of (+@, +, -@, -) + if category.startswith(b"+@"): + pieces.append(category) + elif category.startswith(b"+"): + pieces.append(b"+@%s" % category[1:]) + elif category.startswith(b"-@"): + pieces.append(category) + elif category.startswith(b"-"): + pieces.append(b"-@%s" % category[1:]) + else: + raise DataError( + f'Category "{encoder.decode(category, force=True)}" must be ' + 'prefixed with "+" or "-"' + ) + if commands: + for cmd in commands: + cmd = encoder.encode(cmd) + if not cmd.startswith(b"+") and not cmd.startswith(b"-"): + raise DataError( + f'Command "{encoder.decode(cmd, force=True)}" must be ' + 'prefixed with "+" or "-"' + ) + pieces.append(cmd) + + if keys: + for key in keys: + key = encoder.encode(key) + pieces.append(b"~%s" % key) + + return self.execute_command("ACL SETUSER", *pieces) + + def acl_users(self) -> Awaitable: + """Returns a list of all registered users on the server.""" + return self.execute_command("ACL USERS") + + def acl_whoami(self) -> Awaitable: + """Get the username for the current connection""" + return self.execute_command("ACL WHOAMI") + + def bgrewriteaof(self) -> Awaitable: + """Tell the Redis server to rewrite the AOF file from data in memory.""" + return self.execute_command("BGREWRITEAOF") + + def bgsave(self) -> Awaitable: + """ + Tell the Redis server to save its data to disk. Unlike save(), + this method is asynchronous and returns immediately. + """ + return self.execute_command("BGSAVE") + + def client_kill(self, address: str) -> Awaitable: + """Disconnects the client at ``address`` (ip:port)""" + return self.execute_command("CLIENT KILL", address) + + def client_kill_filter( + self, _id: str = None, _type: str = None, addr: str = None, skipme: bool = None + ) -> Awaitable: + """ + Disconnects client(s) using a variety of filter options + :param _id: Kills a client by its unique ID field + :param _type: Kills a client by type where type is one of 'normal', + 'master', 'slave' or 'pubsub' + :param addr: Kills a client by its 'address:port' + :param skipme: If True, then the client calling the command + will not get killed even if it is identified by one of the filter + options. If skipme is not provided, the server defaults to skipme=True + """ + args = [] + if _type is not None: + client_types = ("normal", "master", "slave", "pubsub") + if str(_type).lower() not in client_types: + raise DataError(f"CLIENT KILL type must be one of {client_types!r}") + args.extend((b"TYPE", _type)) + if skipme is not None: + if not isinstance(skipme, bool): + raise DataError("CLIENT KILL skipme must be a bool") + if skipme: + args.extend((b"SKIPME", b"YES")) + else: + args.extend((b"SKIPME", b"NO")) + if _id is not None: + args.extend((b"ID", _id)) + if addr is not None: + args.extend((b"ADDR", addr)) + if not args: + raise DataError( + "CLIENT KILL ... ... " + " must specify at least one filter" + ) + return self.execute_command("CLIENT KILL", *args) + + def client_list(self, _type: str = None) -> Awaitable: + """ + Returns a list of currently connected clients. + If type of client specified, only that type will be returned. + :param _type: optional. one of the client types (normal, master, + replica, pubsub) + """ + "Returns a list of currently connected clients" + if _type is not None: + client_types = ("normal", "master", "replica", "pubsub") + if str(_type).lower() not in client_types: + raise DataError(f"CLIENT LIST _type must be one of {client_types!r}") + return self.execute_command("CLIENT LIST", b"TYPE", _type) + return self.execute_command("CLIENT LIST") + + def client_getname(self) -> Awaitable: + """Returns the current connection name""" + return self.execute_command("CLIENT GETNAME") + + def client_id(self) -> Awaitable: + """Returns the current connection id""" + return self.execute_command("CLIENT ID") + + def client_setname(self, name: str) -> Awaitable: + """Sets the current connection name""" + return self.execute_command("CLIENT SETNAME", name) + + def client_unblock(self, client_id: int, error: bool = False) -> Awaitable: + """ + Unblocks a connection by its client id. + If ``error`` is True, unblocks the client with a special error message. + If ``error`` is False (default), the client is unblocked using the + regular timeout mechanism. + """ + args = ["CLIENT UNBLOCK", int(client_id)] + if error: + args.append(b"ERROR") + return self.execute_command(*args) + + def client_pause(self, timeout: int) -> Awaitable: + """ + Suspend all the Redis clients for the specified amount of time + :param timeout: milliseconds to pause clients + """ + if not isinstance(timeout, int): + raise DataError("CLIENT PAUSE timeout must be an integer") + return self.execute_command("CLIENT PAUSE", str(timeout)) + + def readwrite(self) -> Awaitable: + """Disables read queries for a connection to a Redis Cluster slave node""" + return self.execute_command("READWRITE") + + def readonly(self) -> Awaitable: + """Enables read queries for a connection to a Redis Cluster replica node""" + return self.execute_command("READONLY") + + def config_get(self, pattern: str = "*") -> Awaitable: + """Return a dictionary of configuration based on the ``pattern``""" + return self.execute_command("CONFIG GET", pattern) + + def config_set(self, name: str, value: EncodableT) -> Awaitable: + """Set config item ``name`` with ``value``""" + return self.execute_command("CONFIG SET", name, value) + + def config_resetstat(self) -> Awaitable: + """Reset runtime statistics""" + return self.execute_command("CONFIG RESETSTAT") + + def config_rewrite(self) -> Awaitable: + """Rewrite config file with the minimal change to reflect running config""" + return self.execute_command("CONFIG REWRITE") + + def dbsize(self) -> Awaitable: + """Returns the number of keys in the current database""" + return self.execute_command("DBSIZE") + + def debug_object(self, key: KeyT) -> Awaitable: + """Returns version specific meta information about a given key""" + return self.execute_command("DEBUG OBJECT", key) + + def echo(self, value: EncodableT) -> Awaitable: + """Echo the string back from the server""" + return self.execute_command("ECHO", value) + + def flushall(self, asynchronous: bool = False) -> Awaitable: + """ + Delete all keys in all databases on the current host. + + ``asynchronous`` indicates whether the operation is + executed asynchronously by the server. + """ + args = [] + if asynchronous: + args.append(b"ASYNC") + return self.execute_command("FLUSHALL", *args) + + def flushdb(self, asynchronous: bool = False) -> Awaitable: + """ + Delete all keys in the current database. + + ``asynchronous`` indicates whether the operation is + executed asynchronously by the server. + """ + args = [] + if asynchronous: + args.append(b"ASYNC") + return self.execute_command("FLUSHDB", *args) + + def swapdb(self, first: int, second: int) -> Awaitable: + """Swap two databases""" + return self.execute_command("SWAPDB", first, second) + + def info(self, section: str = None) -> Awaitable: + """ + Returns a dictionary containing information about the Redis server + + The ``section`` option can be used to select a specific section + of information + + The section option is not supported by older versions of Redis Server, + and will generate ResponseError + """ + if section is None: + return self.execute_command("INFO") + else: + return self.execute_command("INFO", section) + + def lastsave(self) -> Awaitable: + """ + Return a Python datetime object representing the last time the + Redis database was saved to disk + """ + return self.execute_command("LASTSAVE") + + def migrate( + self, + host: str, + port: int, + keys: KeysT, + destination_db: int, + timeout: int, + copy: bool = False, + replace: bool = False, + auth: str = None, + ) -> Awaitable: + """ + Migrate 1 or more keys from the current Redis server to a different + server specified by the ``host``, ``port`` and ``destination_db``. + + The ``timeout``, specified in milliseconds, indicates the maximum + time the connection between the two servers can be idle before the + command is interrupted. + + If ``copy`` is True, the specified ``keys`` are NOT deleted from + the source server. + + If ``replace`` is True, this operation will overwrite the keys + on the destination server if they exist. + + If ``auth`` is specified, authenticate to the destination server with + the password provided. + """ + keys = list_or_args(keys, []) + if not keys: + raise DataError("MIGRATE requires at least one key") + pieces: List[EncodableT] = [] + if copy: + pieces.append(b"COPY") + if replace: + pieces.append(b"REPLACE") + if auth: + pieces.append(b"AUTH") + pieces.append(auth) + pieces.append(b"KEYS") + pieces.extend(keys) + return self.execute_command( + "MIGRATE", host, port, "", destination_db, timeout, *pieces + ) + + def object(self, infotype: str, key: KeyT) -> Awaitable: + """Return the encoding, idletime, or refcount about the key""" + return self.execute_command("OBJECT", infotype, key, infotype=infotype) + + def memory_stats(self) -> Awaitable: + """Return a dictionary of memory stats""" + return self.execute_command("MEMORY STATS") + + def memory_usage(self, key: KeyT, samples: int = None) -> Awaitable: + """ + Return the total memory usage for key, its value and associated + administrative overheads. + + For nested data structures, ``samples`` is the number of elements to + sample. If left unspecified, the server's default is 5. Use 0 to sample + all elements. + """ + args = [] + if isinstance(samples, int): + args.extend([b"SAMPLES", samples]) + return self.execute_command("MEMORY USAGE", key, *args) + + def memory_purge(self) -> Awaitable: + """Attempts to purge dirty pages for reclamation by allocator""" + return self.execute_command("MEMORY PURGE") + + def ping(self) -> Awaitable: + """Ping the Redis server""" + return self.execute_command("PING") + + def save(self) -> Awaitable: + """ + Tell the Redis server to save its data to disk, + blocking until the save is complete + """ + return self.execute_command("SAVE") + + def sentinel_get_master_addr_by_name(self, service_name: str) -> Awaitable: + """Returns a (host, port) pair for the given ``service_name``""" + return self.execute_command("SENTINEL GET-MASTER-ADDR-BY-NAME", service_name) + + def sentinel_master(self, service_name: str) -> Awaitable: + """Returns a dictionary containing the specified masters state.""" + return self.execute_command("SENTINEL MASTER", service_name) + + def sentinel_masters(self) -> Awaitable: + """Returns a list of dictionaries containing each master's state.""" + return self.execute_command("SENTINEL MASTERS") + + def sentinel_monitor(self, name: str, ip: str, port: int, quorum: int) -> Awaitable: + """Add a new master to Sentinel to be monitored""" + return self.execute_command("SENTINEL MONITOR", name, ip, port, quorum) + + def sentinel_remove(self, name: str) -> Awaitable: + """Remove a master from Sentinel's monitoring""" + return self.execute_command("SENTINEL REMOVE", name) + + def sentinel_sentinels(self, service_name: str) -> Awaitable: + """Returns a list of sentinels for ``service_name``""" + return self.execute_command("SENTINEL SENTINELS", service_name) + + def sentinel_set(self, name: str, option: str, value: EncodableT) -> Awaitable: + """Set Sentinel monitoring parameters for a given master""" + return self.execute_command("SENTINEL SET", name, option, value) + + def sentinel_slaves(self, service_name: str) -> Awaitable: + """Returns a list of slaves for ``service_name``""" + return self.execute_command("SENTINEL SLAVES", service_name) + + def shutdown(self, save: bool = False, nosave: bool = False) -> Awaitable: + """Shutdown the Redis server. If Redis has persistence configured, + data will be flushed before shutdown. If the "save" option is set, + a data flush will be attempted even if there is no persistence + configured. If the "nosave" option is set, no data flush will be + attempted. The "save" and "nosave" options cannot both be set. + """ + if save and nosave: + raise DataError("SHUTDOWN save and nosave cannot both be set") + args = ["SHUTDOWN"] + if save: + args.append("SAVE") + if nosave: + args.append("NOSAVE") + try: + self.execute_command(*args) + except ConnectionError: + # a ConnectionError here is expected + return + raise RedisError("SHUTDOWN seems to have failed.") + + def slaveof(self, host: str = None, port: int = None) -> Awaitable: + """ + Set the server to be a replicated slave of the instance identified + by the ``host`` and ``port``. If called without arguments, the + instance is promoted to a master instead. + """ + if host is None and port is None: + return self.execute_command("SLAVEOF", b"NO", b"ONE") + return self.execute_command("SLAVEOF", host, port) + + def slowlog_get(self, num: int = None) -> Awaitable: + """ + Get the entries from the slowlog. If ``num`` is specified, get the + most recent ``num`` items. + """ + args: List[EncodableT] = ["SLOWLOG GET"] + if num is not None: + args.append(num) + decode_responses = self.connection_pool.connection_kwargs.get( + "decode_responses", False + ) + return self.execute_command(*args, decode_responses=decode_responses) + + def slowlog_len(self) -> Awaitable: + """Get the number of items in the slowlog""" + return self.execute_command("SLOWLOG LEN") + + def slowlog_reset(self) -> Awaitable: + """Remove all items in the slowlog""" + return self.execute_command("SLOWLOG RESET") + + def time(self) -> Awaitable: + """ + Returns the server time as a 2-item tuple of ints: + (seconds since epoch, microseconds into this second). + """ + return self.execute_command("TIME") + + def wait(self, num_replicas: int, timeout: int) -> Awaitable: + """ + Redis synchronous replication + That returns the number of replicas that processed the query when + we finally have at least ``num_replicas``, or when the ``timeout`` was + reached. + """ + return self.execute_command("WAIT", num_replicas, timeout) + + # BASIC KEY COMMANDS + def append(self, key: KeyT, value: EncodableT) -> Awaitable: + """ + Appends the string ``value`` to the value at ``key``. If ``key`` + doesn't already exist, create it with a value of ``value``. + Returns the new length of the value at ``key``. + """ + return self.execute_command("APPEND", key, value) + + def bitcount(self, key: KeyT, start: int = None, end: int = None) -> Awaitable: + """ + Returns the count of set bits in the value of ``key``. Optional + ``start`` and ``end`` paramaters indicate which bytes to consider + """ + params: List[EncodableT] = [key] + if start is not None and end is not None: + params.append(start) + params.append(end) + elif (start is not None and end is None) or (end is not None and start is None): + raise DataError("Both start and end must be specified") + return self.execute_command("BITCOUNT", *params) + + def bitfield(self, key: KeyT, default_overflow: str = None) -> "BitFieldOperation": + """ + Return a BitFieldOperation instance to conveniently construct one or + more bitfield operations on ``key``. + """ + return BitFieldOperation(self, key, default_overflow=default_overflow) + + def bitop(self, operation: str, dest: KeyT, *keys: KeyT) -> Awaitable: + """ + Perform a bitwise operation using ``operation`` between ``keys`` and + store the result in ``dest``. + """ + return self.execute_command("BITOP", operation, dest, *keys) + + def bitpos( + self, key: KeyT, bit: int, start: int = None, end: int = None + ) -> Awaitable: + """ + Return the position of the first bit set to 1 or 0 in a string. + ``start`` and ``end`` difines search range. The range is interpreted + as a range of bytes and not a range of bits, so start=0 and end=2 + means to look at the first three bytes. + """ + if bit not in (0, 1): + raise DataError("bit must be 0 or 1") + params = [key, bit] + + start is not None and params.append(start) + + if start is not None and end is not None: + params.append(end) + elif start is None and end is not None: + raise DataError("start argument is not set, " "when end is specified") + return self.execute_command("BITPOS", *params) + + def decr(self, name: KeyT, amount: int = 1) -> Awaitable: + """ + Decrements the value of ``key`` by ``amount``. If no key exists, + the value will be initialized as 0 - ``amount`` + """ + # An alias for ``decr()``, because it is already implemented + # as DECRBY redis command. + return self.decrby(name, amount) + + def decrby(self, name: KeyT, amount: int = 1) -> Awaitable: + """ + Decrements the value of ``key`` by ``amount``. If no key exists, + the value will be initialized as 0 - ``amount`` + """ + return self.execute_command("DECRBY", name, amount) + + def delete(self, *names: KeyT) -> Awaitable: + """Delete one or more keys specified by ``names``""" + return self.execute_command("DEL", *names) + + def dump(self, name: KeyT) -> Awaitable: + """ + Return a serialized version of the value stored at the specified key. + If key does not exist a nil bulk reply is returned. + """ + return self.execute_command("DUMP", name) + + def exists(self, *names: KeyT) -> Awaitable: + """Returns the number of ``names`` that exist""" + return self.execute_command("EXISTS", *names) + + def expire(self, name: KeyT, time: ExpiryT) -> Awaitable: + """ + Set an expire flag on key ``name`` for ``time`` seconds. ``time`` + can be represented by an integer or a Python timedelta object. + """ + if isinstance(time, datetime.timedelta): + time = int(time.total_seconds()) + return self.execute_command("EXPIRE", name, time) + + def expireat(self, name: KeyT, when: AbsExpiryT) -> Awaitable: + """ + Set an expire flag on key ``name``. ``when`` can be represented + as an integer indicating unix time or a Python datetime object. + """ + if isinstance(when, datetime.datetime): + when = int(mod_time.mktime(when.timetuple())) + return self.execute_command("EXPIREAT", name, when) + + def get(self, name: KeyT) -> Awaitable: + """ + Return the value at key ``name``, or None if the key doesn't exist + """ + return self.execute_command("GET", name) + + def getbit(self, name: KeyT, offset: int) -> Awaitable: + """Returns a boolean indicating the value of ``offset`` in ``name``""" + return self.execute_command("GETBIT", name, offset) + + def getrange(self, key: KeyT, start: int, end: int) -> Awaitable: + """ + Returns the substring of the string value stored at ``key``, + determined by the offsets ``start`` and ``end`` (both are inclusive) + """ + return self.execute_command("GETRANGE", key, start, end) + + def getset(self, name: KeyT, value: EncodableT) -> Awaitable: + """ + Sets the value at key ``name`` to ``value`` + and returns the old value at key ``name`` atomically. + """ + return self.execute_command("GETSET", name, value) + + def incr(self, name: KeyT, amount: int = 1) -> Awaitable: + """ + Increments the value of ``key`` by ``amount``. If no key exists, + the value will be initialized as ``amount`` + """ + return self.incrby(name, amount) + + def incrby(self, name: KeyT, amount: int = 1) -> Awaitable: + """ + Increments the value of ``key`` by ``amount``. If no key exists, + the value will be initialized as ``amount`` + """ + # An alias for ``incr()``, because it is already implemented + # as INCRBY redis command. + return self.execute_command("INCRBY", name, amount) + + def incrbyfloat(self, name: KeyT, amount: float = 1.0) -> Awaitable: + """ + Increments the value at key ``name`` by floating ``amount``. + If no key exists, the value will be initialized as ``amount`` + """ + return self.execute_command("INCRBYFLOAT", name, amount) + + def keys(self, pattern: PatternT = "*") -> Awaitable: + """Returns a list of keys matching ``pattern``""" + return self.execute_command("KEYS", pattern) + + def mget(self, keys: KeysT, *args: EncodableT) -> Awaitable: + """ + Returns a list of values ordered identically to ``keys`` + """ + args = list_or_args(keys, args) + options: Dict[str, Union[EncodableT, Iterable[EncodableT]]] = {} + if not args: + options[EMPTY_RESPONSE] = [] + return self.execute_command("MGET", *args, **options) + + def mset(self, mapping: Mapping[AnyKeyT, EncodableT]) -> Awaitable: + """ + Sets key/values based on a mapping. Mapping is a dictionary of + key/value pairs. Both keys and values should be strings or types that + can be cast to a string via str(). + """ + items: List[EncodableT] = [] + for pair in mapping.items(): + items.extend(pair) + return self.execute_command("MSET", *items) + + def msetnx(self, mapping: Mapping[AnyKeyT, EncodableT]) -> Awaitable: + """ + Sets key/values based on a mapping if none of the keys are already set. + Mapping is a dictionary of key/value pairs. Both keys and values + should be strings or types that can be cast to a string via str(). + Returns a boolean indicating if the operation was successful. + """ + items: List[EncodableT] = [] + for pair in mapping.items(): + items.extend(pair) + return self.execute_command("MSETNX", *items) + + def move(self, name: KeyT, db: int) -> Awaitable: + """Moves the key ``name`` to a different Redis database ``db``""" + return self.execute_command("MOVE", name, db) + + def persist(self, name: KeyT) -> Awaitable: + """Removes an expiration on ``name``""" + return self.execute_command("PERSIST", name) + + def pexpire(self, name: KeyT, time: ExpiryT) -> Awaitable: + """ + Set an expire flag on key ``name`` for ``time`` milliseconds. + ``time`` can be represented by an integer or a Python timedelta + object. + """ + if isinstance(time, datetime.timedelta): + time = int(time.total_seconds() * 1000) + return self.execute_command("PEXPIRE", name, time) + + def pexpireat(self, name: KeyT, when: AbsExpiryT) -> Awaitable: + """ + Set an expire flag on key ``name``. ``when`` can be represented + as an integer representing unix time in milliseconds (unix time * 1000) + or a Python datetime object. + """ + if isinstance(when, datetime.datetime): + ms = int(when.microsecond / 1000) + when = int(mod_time.mktime(when.timetuple())) * 1000 + ms + return self.execute_command("PEXPIREAT", name, when) + + def psetex(self, name: KeyT, time_ms: ExpiryT, value: EncodableT) -> Awaitable: + """ + Set the value of key ``name`` to ``value`` that expires in ``time_ms`` + milliseconds. ``time_ms`` can be represented by an integer or a Python + timedelta object + """ + if isinstance(time_ms, datetime.timedelta): + time_ms = int(time_ms.total_seconds() * 1000) + return self.execute_command("PSETEX", name, time_ms, value) + + def pttl(self, name: KeyT) -> Awaitable: + """Returns the number of milliseconds until the key ``name`` will expire""" + return self.execute_command("PTTL", name) + + def randomkey(self) -> Awaitable: + """Returns the name of a random key""" + return self.execute_command("RANDOMKEY") + + def rename(self, src: KeyT, dst: KeyT) -> Awaitable: + """ + Rename key ``src`` to ``dst`` + """ + return self.execute_command("RENAME", src, dst) + + def renamenx(self, src: KeyT, dst: KeyT) -> Awaitable: + """Rename key ``src`` to ``dst`` if ``dst`` doesn't already exist""" + return self.execute_command("RENAMENX", src, dst) + + def restore( + self, + name: KeyT, + ttl: float, + value: EncodableT, + replace: bool = False, + absttl: bool = False, + ) -> Awaitable: + """ + Create a key using the provided serialized value, previously obtained + using DUMP. + + ``replace`` allows an existing key on ``name`` to be overridden. If + it's not specified an error is raised on collision. + + ``absttl`` if True, specified ``ttl`` should represent an absolute Unix + timestamp in milliseconds in which the key will expire. (Redis 5.0 or + greater). + """ + params = [name, ttl, value] + if replace: + params.append("REPLACE") + if absttl: + params.append("ABSTTL") + return self.execute_command("RESTORE", *params) + + def set( + self, + name: KeyT, + value: EncodableT, + ex: ExpiryT = None, + px: ExpiryT = None, + nx: bool = False, + xx: bool = False, + keepttl: bool = False, + ) -> Awaitable: + """ + Set the value at key ``name`` to ``value`` + + ``ex`` sets an expire flag on key ``name`` for ``ex`` seconds. + + ``px`` sets an expire flag on key ``name`` for ``px`` milliseconds. + + ``nx`` if set to True, set the value at key ``name`` to ``value`` only + if it does not exist. + + ``xx`` if set to True, set the value at key ``name`` to ``value`` only + if it already exists. + + ``keepttl`` if True, retain the time to live associated with the key. + (Available since Redis 6.0) + """ + pieces: List[EncodableT] = [name, value] + if ex is not None: + pieces.append("EX") + if isinstance(ex, datetime.timedelta): + ex = int(ex.total_seconds()) + pieces.append(ex) + if px is not None: + pieces.append("PX") + if isinstance(px, datetime.timedelta): + px = int(px.total_seconds() * 1000) + pieces.append(px) + + if nx: + pieces.append("NX") + if xx: + pieces.append("XX") + + if keepttl: + pieces.append("KEEPTTL") + + return self.execute_command("SET", *pieces) + + def setbit(self, name: KeyT, offset: int, value: int) -> Awaitable: + """ + Flag the ``offset`` in ``name`` as ``value``. Returns a boolean + indicating the previous value of ``offset``. + """ + value = value and 1 or 0 + return self.execute_command("SETBIT", name, offset, value) + + def setex( + self, name: KeyT, time: Union[int, datetime.timedelta], value: EncodableT + ) -> Awaitable: + """ + Set the value of key ``name`` to ``value`` that expires in ``time`` + seconds. ``time`` can be represented by an integer or a Python + timedelta object. + """ + if isinstance(time, datetime.timedelta): + time = int(time.total_seconds()) + return self.execute_command("SETEX", name, time, value) + + def setnx(self, name: KeyT, value: EncodableT) -> Awaitable: + """Set the value of key ``name`` to ``value`` if key doesn't exist""" + return self.execute_command("SETNX", name, value) + + def setrange(self, name: KeyT, offset: int, value: EncodableT) -> Awaitable: + """ + Overwrite bytes in the value of ``name`` starting at ``offset`` with + ``value``. If ``offset`` plus the length of ``value`` exceeds the + length of the original value, the new value will be larger than before. + If ``offset`` exceeds the length of the original value, null bytes + will be used to pad between the end of the previous value and the start + of what's being injected. + + Returns the length of the new string. + """ + return self.execute_command("SETRANGE", name, offset, value) + + def strlen(self, name: KeyT) -> Awaitable: + """Return the number of bytes stored in the value of ``name``""" + return self.execute_command("STRLEN", name) + + def substr(self, name: KeyT, start: int, end: int = -1) -> Awaitable: + """ + Return a substring of the string at key ``name``. ``start`` and ``end`` + are 0-based integers specifying the portion of the string to return. + """ + return self.execute_command("SUBSTR", name, start, end) + + def touch(self, *args: KeyT) -> Awaitable: + """ + Alters the last access time of a key(s) ``*args``. A key is ignored + if it does not exist. + """ + return self.execute_command("TOUCH", *args) + + def ttl(self, name: KeyT) -> Awaitable: + """Returns the number of seconds until the key ``name`` will expire""" + return self.execute_command("TTL", name) + + def type(self, name: KeyT) -> Awaitable: + """Returns the type of key ``name``""" + return self.execute_command("TYPE", name) + + def unlink(self, *names: KeyT) -> Awaitable: + """Unlink one or more keys specified by ``names``""" + return self.execute_command("UNLINK", *names) + + # LIST COMMANDS + def blpop(self, keys: KeysT, timeout: int = 0) -> Awaitable: + """ + LPOP a value off of the first non-empty list + named in the ``keys`` list. + + If none of the lists in ``keys`` has a value to LPOP, then block + for ``timeout`` seconds, or until a value gets pushed on to one + of the lists. + + If timeout is 0, then block indefinitely. + """ + if timeout is None: + timeout = 0 + keys = list_or_args(keys, None) + keys.append(timeout) + return self.execute_command("BLPOP", *keys) + + def brpop(self, keys: KeysT, timeout: int = 0) -> Awaitable: + """ + RPOP a value off of the first non-empty list + named in the ``keys`` list. + + If none of the lists in ``keys`` has a value to RPOP, then block + for ``timeout`` seconds, or until a value gets pushed on to one + of the lists. + + If timeout is 0, then block indefinitely. + """ + if timeout is None: + timeout = 0 + keys = list_or_args(keys, None) + keys.append(timeout) + return self.execute_command("BRPOP", *keys) + + def brpoplpush(self, src: KeyT, dst: KeyT, timeout: int = 0) -> Awaitable: + """ + Pop a value off the tail of ``src``, push it on the head of ``dst`` + and then return it. + + This command blocks until a value is in ``src`` or until ``timeout`` + seconds elapse, whichever is first. A ``timeout`` value of 0 blocks + forever. + """ + if timeout is None: + timeout = 0 + return self.execute_command("BRPOPLPUSH", src, dst, timeout) + + def lindex(self, name: KeyT, index: int) -> Awaitable: + """ + Return the item from list ``name`` at position ``index`` + + Negative indexes are supported and will return an item at the + end of the list + """ + return self.execute_command("LINDEX", name, index) + + def linsert( + self, name: KeyT, where: str, refvalue: EncodableT, value: EncodableT + ) -> Awaitable: + """ + Insert ``value`` in list ``name`` either immediately before or after + [``where``] ``refvalue`` + + Returns the new length of the list on success or -1 if ``refvalue`` + is not in the list. + """ + return self.execute_command("LINSERT", name, where, refvalue, value) + + def llen(self, name: KeyT) -> Awaitable: + """Return the length of the list ``name``""" + return self.execute_command("LLEN", name) + + def lpop(self, name: KeyT) -> Awaitable: + """Remove and return the first item of the list ``name``""" + return self.execute_command("LPOP", name) + + def lpush(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Push ``values`` onto the head of the list ``name``""" + return self.execute_command("LPUSH", name, *values) + + def lpushx(self, name: KeyT, value: EncodableT) -> Awaitable: + """Push ``value`` onto the head of the list ``name`` if ``name`` exists""" + return self.execute_command("LPUSHX", name, value) + + def lrange(self, name: KeyT, start: int, end: int) -> Awaitable: + """ + Return a slice of the list ``name`` between + position ``start`` and ``end`` + + ``start`` and ``end`` can be negative numbers just like + Python slicing notation + """ + return self.execute_command("LRANGE", name, start, end) + + def lrem(self, name: KeyT, count: int, value: EncodableT) -> Awaitable: + """ + Remove the first ``count`` occurrences of elements equal to ``value`` + from the list stored at ``name``. + + The count argument influences the operation in the following ways: + count > 0: Remove elements equal to value moving from head to tail. + count < 0: Remove elements equal to value moving from tail to head. + count = 0: Remove all elements equal to value. + """ + return self.execute_command("LREM", name, count, value) + + def lset(self, name: KeyT, index: int, value: EncodableT) -> Awaitable: + """Set ``position`` of list ``name`` to ``value``""" + return self.execute_command("LSET", name, index, value) + + def ltrim(self, name: KeyT, start: int, end: int) -> Awaitable: + """ + Trim the list ``name``, removing all values not within the slice + between ``start`` and ``end`` + + ``start`` and ``end`` can be negative numbers just like + Python slicing notation + """ + return self.execute_command("LTRIM", name, start, end) + + def rpop(self, name: KeyT) -> Awaitable: + """Remove and return the last item of the list ``name``""" + return self.execute_command("RPOP", name) + + def rpoplpush(self, src: KeyT, dst: KeyT) -> Awaitable: + """ + RPOP a value off of the ``src`` list and atomically LPUSH it + on to the ``dst`` list. Returns the value. + """ + return self.execute_command("RPOPLPUSH", src, dst) + + def rpush(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Push ``values`` onto the tail of the list ``name``""" + return self.execute_command("RPUSH", name, *values) + + def rpushx(self, name: KeyT, value: EncodableT) -> Awaitable: + """Push ``value`` onto the tail of the list ``name`` if ``name`` exists""" + return self.execute_command("RPUSHX", name, value) + + def lpos( + self, + name: KeyT, + value: EncodableT, + rank: int = None, + count: int = None, + maxlen: int = None, + ) -> Awaitable: + """ + Get position of ``value`` within the list ``name`` + + If specified, ``rank`` indicates the "rank" of the first element to + return in case there are multiple copies of ``value`` in the list. + By default, LPOS returns the position of the first occurrence of + ``value`` in the list. When ``rank`` 2, LPOS returns the position of + the second ``value`` in the list. If ``rank`` is negative, LPOS + searches the list in reverse. For example, -1 would return the + position of the last occurrence of ``value`` and -2 would return the + position of the next to last occurrence of ``value``. + + If specified, ``count`` indicates that LPOS should return a list of + up to ``count`` positions. A ``count`` of 2 would return a list of + up to 2 positions. A ``count`` of 0 returns a list of all positions + matching ``value``. When ``count`` is specified and but ``value`` + does not exist in the list, an empty list is returned. + + If specified, ``maxlen`` indicates the maximum number of list + elements to scan. A ``maxlen`` of 1000 will only return the + position(s) of items within the first 1000 entries in the list. + A ``maxlen`` of 0 (the default) will scan the entire list. + """ + pieces: List[EncodableT] = [name, value] + if rank is not None: + pieces.extend(["RANK", rank]) + + if count is not None: + pieces.extend(["COUNT", count]) + + if maxlen is not None: + pieces.extend(["MAXLEN", maxlen]) + + return self.execute_command("LPOS", *pieces) + + def sort( + self, + name: KeyT, + start: int = None, + num: int = None, + by: KeyT = None, + get: KeysT = None, + desc: bool = False, + alpha: bool = False, + store: KeyT = None, + groups: bool = False, + ) -> Awaitable: + """ + Sort and return the list, set or sorted set at ``name``. + + ``start`` and ``num`` allow for paging through the sorted data + + ``by`` allows using an external key to weight and sort the items. + Use an "*" to indicate where in the key the item value is located + + ``get`` allows for returning items from external keys rather than the + sorted data itself. Use an "*" to indicate where in the key + the item value is located + + ``desc`` allows for reversing the sort + + ``alpha`` allows for sorting lexicographically rather than numerically + + ``store`` allows for storing the result of the sort into + the key ``store`` + + ``groups`` if set to True and if ``get`` contains at least two + elements, sort will return a list of tuples, each containing the + values fetched from the arguments to ``get``. + + """ + if (start is not None and num is None) or (num is not None and start is None): + raise DataError("``start`` and ``num`` must both be specified") + + pieces: List[EncodableT] = [name] + if by is not None: + pieces.append(b"BY") + pieces.append(by) + if start is not None and num is not None: + pieces.append(b"LIMIT") + pieces.append(start) + pieces.append(num) + if get is not None: + # If get is a string assume we want to get a single value. + # Otherwise assume it's an interable and we want to get multiple + # values. We can't just iterate blindly because strings are + # iterable. + if isinstance(get, (bytes, str)): + pieces.append(b"GET") + pieces.append(get) + else: + for g in get: + pieces.append(b"GET") + pieces.append(g) + if desc: + pieces.append(b"DESC") + if alpha: + pieces.append(b"ALPHA") + if store is not None: + pieces.append(b"STORE") + pieces.append(store) + + if groups: + if not get or isinstance(get, (bytes, str)) or len(get) < 2: + raise DataError( + 'when using "groups" the "get" argument ' + "must be specified and contain at least " + "two keys" + ) + + options = {"groups": len(get) if groups else None} + return self.execute_command("SORT", *pieces, **options) + + # SCAN COMMANDS + def scan( + self, + cursor: int = 0, + match: PatternT = None, + count: int = None, + _type: str = None, + ) -> Awaitable: + """ + Incrementally return lists of key names. Also return a cursor + indicating the scan position. + + ``match`` allows for filtering the keys by pattern + + ``count`` provides a hint to Redis about the number of keys to + return per batch. + + ``_type`` filters the returned values by a particular Redis type. + Stock Redis instances allow for the following types: + HASH, LIST, SET, STREAM, STRING, ZSET + Additionally, Redis modules can expose other types as well. + """ + pieces: List[EncodableT] = [cursor] + if match is not None: + pieces.extend([b"MATCH", match]) + if count is not None: + pieces.extend([b"COUNT", count]) + if _type is not None: + pieces.extend([b"TYPE", _type]) + return self.execute_command("SCAN", *pieces) + + async def scan_iter( + self, match: PatternT = None, count: int = None, _type: str = None + ) -> AsyncIterator: + """ + Make an iterator using the SCAN command so that the client doesn't + need to remember the cursor position. + + ``match`` allows for filtering the keys by pattern + + ``count`` provides a hint to Redis about the number of keys to + return per batch. + + ``_type`` filters the returned values by a particular Redis type. + Stock Redis instances allow for the following types: + HASH, LIST, SET, STREAM, STRING, ZSET + Additionally, Redis modules can expose other types as well. + """ + cursor = "0" + while cursor != 0: + cursor, data = await self.scan( + cursor=cursor, match=match, count=count, _type=_type + ) + for d in data: + yield d + + def sscan( + self, name: KeyT, cursor: int = 0, match: PatternT = None, count: int = None + ) -> Awaitable: + """ + Incrementally return lists of elements in a set. Also return a cursor + indicating the scan position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + """ + pieces: List[EncodableT] = [name, cursor] + if match is not None: + pieces.extend([b"MATCH", match]) + if count is not None: + pieces.extend([b"COUNT", count]) + return self.execute_command("SSCAN", *pieces) + + async def sscan_iter( + self, name: KeyT, match: PatternT = None, count: int = None + ) -> AsyncIterator: + """ + Make an iterator using the SSCAN command so that the client doesn't + need to remember the cursor position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + """ + cursor = "0" + while cursor != 0: + cursor, data = await self.sscan( + name, cursor=cursor, match=match, count=count + ) + for d in data: + yield d + + def hscan( + self, name: KeyT, cursor: int = 0, match: PatternT = None, count: int = None + ) -> Awaitable: + """ + Incrementally return key/value slices in a hash. Also return a cursor + indicating the scan position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + """ + pieces: List[EncodableT] = [name, cursor] + if match is not None: + pieces.extend([b"MATCH", match]) + if count is not None: + pieces.extend([b"COUNT", count]) + return self.execute_command("HSCAN", *pieces) + + async def hscan_iter( + self, name: str, match: PatternT = None, count: int = None + ) -> AsyncIterator: + """ + Make an iterator using the HSCAN command so that the client doesn't + need to remember the cursor position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + """ + cursor = "0" + while cursor != 0: + cursor, data = await self.hscan( + name, cursor=cursor, match=match, count=count + ) + for it in data.items(): + yield it + + def zscan( + self, + name: KeyT, + cursor: int = 0, + match: PatternT = None, + count: int = None, + score_cast_func: Union[Type, Callable] = float, + ) -> Awaitable: + """ + Incrementally return lists of elements in a sorted set. Also return a + cursor indicating the scan position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + + ``score_cast_func`` a callable used to cast the score return value + """ + pieces: List[EncodableT] = [name, cursor] + if match is not None: + pieces.extend([b"MATCH", match]) + if count is not None: + pieces.extend([b"COUNT", count]) + options = {"score_cast_func": score_cast_func} + return self.execute_command("ZSCAN", *pieces, **options) + + async def zscan_iter( + self, + name: KeyT, + match: PatternT = None, + count: int = None, + score_cast_func: Union[Type, Callable] = float, + ) -> AsyncIterator: + """ + Make an iterator using the ZSCAN command so that the client doesn't + need to remember the cursor position. + + ``match`` allows for filtering the keys by pattern + + ``count`` allows for hint the minimum number of returns + + ``score_cast_func`` a callable used to cast the score return value + """ + cursor = "0" + while cursor != 0: + cursor, data = await self.zscan( + name, + cursor=cursor, + match=match, + count=count, + score_cast_func=score_cast_func, + ) + for d in data: + yield d + + # SET COMMANDS + def sadd(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Add ``value(s)`` to set ``name``""" + return self.execute_command("SADD", name, *values) + + def scard(self, name: KeyT) -> Awaitable: + """Return the number of elements in set ``name``""" + return self.execute_command("SCARD", name) + + def sdiff(self, keys: KeysT, *args: EncodableT) -> Awaitable: + """Return the difference of sets specified by ``keys``""" + args = list_or_args(keys, args) + return self.execute_command("SDIFF", *args) + + def sdiffstore(self, dest: KeyT, keys: KeysT, *args: EncodableT) -> Awaitable: + """ + Store the difference of sets specified by ``keys`` into a new + set named ``dest``. Returns the number of keys in the new set. + """ + args = list_or_args(keys, args) + return self.execute_command("SDIFFSTORE", dest, *args) + + def sinter(self, keys: KeysT, *args: EncodableT) -> Awaitable: + """Return the intersection of sets specified by ``keys``""" + args = list_or_args(keys, args) + return self.execute_command("SINTER", *args) + + def sinterstore(self, dest: KeyT, keys: KeysT, *args: EncodableT) -> Awaitable: + """ + Store the intersection of sets specified by ``keys`` into a new + set named ``dest``. Returns the number of keys in the new set. + """ + args = list_or_args(keys, args) + return self.execute_command("SINTERSTORE", dest, *args) + + def sismember(self, name: KeyT, value: EncodableT) -> Awaitable: + """Return a boolean indicating if ``value`` is a member of set ``name``""" + return self.execute_command("SISMEMBER", name, value) + + def smembers(self, name: KeyT) -> Awaitable: + """Return all members of the set ``name``""" + return self.execute_command("SMEMBERS", name) + + def smove(self, src: KeyT, dst: KeyT, value: EncodableT) -> Awaitable: + """Move ``value`` from set ``src`` to set ``dst`` atomically""" + return self.execute_command("SMOVE", src, dst, value) + + def spop(self, name: KeyT, count: int = None) -> Awaitable: + """Remove and return a random member of set ``name``""" + args = (count is not None) and [count] or [] + return self.execute_command("SPOP", name, *args) + + def srandmember(self, name: KeyT, number: int = None) -> Awaitable: + """ + If ``number`` is None, returns a random member of set ``name``. + + If ``number`` is supplied, returns a list of ``number`` random + members of set ``name``. Note this is only available when running + Redis 2.6+. + """ + args = (number is not None) and [number] or [] + return self.execute_command("SRANDMEMBER", name, *args) + + def srem(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Remove ``values`` from set ``name``""" + return self.execute_command("SREM", name, *values) + + def sunion(self, keys: KeysT, *args: EncodableT) -> Awaitable: + """Return the union of sets specified by ``keys``""" + args = list_or_args(keys, args) + return self.execute_command("SUNION", *args) + + def sunionstore(self, dest: KeyT, keys: KeysT, *args: EncodableT) -> Awaitable: + """ + Store the union of sets specified by ``keys`` into a new + set named ``dest``. Returns the number of keys in the new set. + """ + args = list_or_args(keys, args) + return self.execute_command("SUNIONSTORE", dest, *args) + + # STREAMS COMMANDS + def xack(self, name: KeyT, groupname: GroupT, *ids: StreamIdT) -> Awaitable: + """ + Acknowledges the successful processing of one or more messages. + name: name of the stream. + groupname: name of the consumer group. + *ids: message ids to acknowlege. + """ + return self.execute_command("XACK", name, groupname, *ids) + + def xadd( + self, + name: KeyT, + fields: Dict[FieldT, EncodableT], + id: StreamIdT = "*", + maxlen: int = None, + approximate: bool = True, + ) -> Awaitable: + """ + Add to a stream. + name: name of the stream + fields: dict of field/value pairs to insert into the stream + id: Location to insert this record. By default it is appended. + maxlen: truncate old stream members beyond this size + approximate: actual stream length may be slightly more than maxlen + + """ + pieces: List[EncodableT] = [] + if maxlen is not None: + if not isinstance(maxlen, int) or maxlen < 1: + raise DataError("XADD maxlen must be a positive integer") + pieces.append(b"MAXLEN") + if approximate: + pieces.append(b"~") + pieces.append(str(maxlen)) + pieces.append(id) + if not isinstance(fields, dict) or len(fields) == 0: + raise DataError("XADD fields must be a non-empty dict") + for pair in fields.items(): + pieces.extend(pair) + return self.execute_command("XADD", name, *pieces) + + def xclaim( + self, + name: KeyT, + groupname: GroupT, + consumername: ConsumerT, + min_idle_time: int, + message_ids: Union[List[StreamIdT], Tuple[StreamIdT]], + idle: int = None, + time: int = None, + retrycount: int = None, + force: bool = False, + justid: bool = False, + ) -> Awaitable: + """ + Changes the ownership of a pending message. + name: name of the stream. + groupname: name of the consumer group. + consumername: name of a consumer that claims the message. + min_idle_time: filter messages that were idle less than this amount of + milliseconds + message_ids: non-empty list or tuple of message IDs to claim + idle: optional. Set the idle time (last time it was delivered) of the + message in ms + time: optional integer. This is the same as idle but instead of a + relative amount of milliseconds, it sets the idle time to a specific + Unix time (in milliseconds). + retrycount: optional integer. set the retry counter to the specified + value. This counter is incremented every time a message is delivered + again. + force: optional boolean, false by default. Creates the pending message + entry in the PEL even if certain specified IDs are not already in the + PEL assigned to a different client. + justid: optional boolean, false by default. Return just an array of IDs + of messages successfully claimed, without returning the actual message + """ + if not isinstance(min_idle_time, int) or min_idle_time < 0: + raise DataError("XCLAIM min_idle_time must be a non negative " "integer") + if not isinstance(message_ids, (list, tuple)) or not message_ids: + raise DataError( + "XCLAIM message_ids must be a non empty list or " + "tuple of message IDs to claim" + ) + + kwargs = {} + pieces: List[EncodableT] = [name, groupname, consumername, str(min_idle_time)] + pieces.extend(list(message_ids)) + + if idle is not None: + if not isinstance(idle, int): + raise DataError("XCLAIM idle must be an integer") + pieces.extend((b"IDLE", str(idle))) + if time is not None: + if not isinstance(time, int): + raise DataError("XCLAIM time must be an integer") + pieces.extend((b"TIME", str(time))) + if retrycount is not None: + if not isinstance(retrycount, int): + raise DataError("XCLAIM retrycount must be an integer") + pieces.extend((b"RETRYCOUNT", str(retrycount))) + + if force: + if not isinstance(force, bool): + raise DataError("XCLAIM force must be a boolean") + pieces.append(b"FORCE") + if justid: + if not isinstance(justid, bool): + raise DataError("XCLAIM justid must be a boolean") + pieces.append(b"JUSTID") + kwargs["parse_justid"] = True + return self.execute_command("XCLAIM", *pieces, **kwargs) + + def xdel(self, name: KeyT, *ids: StreamIdT) -> Awaitable: + """ + Deletes one or more messages from a stream. + name: name of the stream. + *ids: message ids to delete. + """ + return self.execute_command("XDEL", name, *ids) + + def xgroup_create( + self, name: KeyT, groupname: GroupT, id: StreamIdT = "$", mkstream: bool = False + ) -> Awaitable: + """ + Create a new consumer group associated with a stream. + name: name of the stream. + groupname: name of the consumer group. + id: ID of the last item in the stream to consider already delivered. + """ + pieces: List[EncodableT] = ["XGROUP CREATE", name, groupname, id] + if mkstream: + pieces.append(b"MKSTREAM") + return self.execute_command(*pieces) + + def xgroup_delconsumer( + self, name: KeyT, groupname: GroupT, consumername: ConsumerT + ) -> Awaitable: + """ + Remove a specific consumer from a consumer group. + Returns the number of pending messages that the consumer had before it + was deleted. + name: name of the stream. + groupname: name of the consumer group. + consumername: name of consumer to delete + """ + return self.execute_command("XGROUP DELCONSUMER", name, groupname, consumername) + + def xgroup_destroy(self, name: KeyT, groupname: GroupT) -> Awaitable: + """ + Destroy a consumer group. + name: name of the stream. + groupname: name of the consumer group. + """ + return self.execute_command("XGROUP DESTROY", name, groupname) + + def xgroup_setid(self, name: KeyT, groupname: GroupT, id: StreamIdT) -> Awaitable: + """ + Set the consumer group last delivered ID to something else. + name: name of the stream. + groupname: name of the consumer group. + id: ID of the last item in the stream to consider already delivered. + """ + return self.execute_command("XGROUP SETID", name, groupname, id) + + def xinfo_consumers(self, name: KeyT, groupname: GroupT) -> Awaitable: + """ + Returns general information about the consumers in the group. + name: name of the stream. + groupname: name of the consumer group. + """ + return self.execute_command("XINFO CONSUMERS", name, groupname) + + def xinfo_groups(self, name: KeyT) -> Awaitable: + """ + Returns general information about the consumer groups of the stream. + name: name of the stream. + """ + return self.execute_command("XINFO GROUPS", name) + + def xinfo_stream(self, name: KeyT) -> Awaitable: + """ + Returns general information about the stream. + name: name of the stream. + """ + return self.execute_command("XINFO STREAM", name) + + def xlen(self, name: KeyT) -> Awaitable: + """ + Returns the number of elements in a given stream. + """ + return self.execute_command("XLEN", name) + + def xpending(self, name: KeyT, groupname: GroupT) -> Awaitable: + """ + Returns information about pending messages of a group. + name: name of the stream. + groupname: name of the consumer group. + """ + return self.execute_command("XPENDING", name, groupname) + + def xpending_range( + self, + name: KeyT, + groupname: GroupT, + min: StreamIdT, + max: StreamIdT, + count: int, + consumername: ConsumerT = None, + ) -> Awaitable: + """ + Returns information about pending messages, in a range. + name: name of the stream. + groupname: name of the consumer group. + min: minimum stream ID. + max: maximum stream ID. + count: number of messages to return + consumername: name of a consumer to filter by (optional). + """ + pieces: List[EncodableT] = [name, groupname] + if min is not None or max is not None or count is not None: + if min is None or max is None or count is None: + raise DataError( + "XPENDING must be provided with min, max " + "and count parameters, or none of them. " + ) + if not isinstance(count, int) or count < -1: + raise DataError("XPENDING count must be a integer >= -1") + pieces.extend((min, max, str(count))) + if consumername is not None: + if min is None or max is None or count is None: + raise DataError( + "if XPENDING is provided with consumername," + " it must be provided with min, max and" + " count parameters" + ) + pieces.append(consumername) + return self.execute_command("XPENDING", *pieces, parse_detail=True) + + def xrange( + self, name: KeyT, min: StreamIdT = "-", max: StreamIdT = "+", count: int = None + ) -> Awaitable: + """ + Read stream values within an interval. + name: name of the stream. + start: first stream ID. defaults to '-', + meaning the earliest available. + finish: last stream ID. defaults to '+', + meaning the latest available. + count: if set, only return this many items, beginning with the + earliest available. + """ + pieces: List[EncodableT] = [min, max] + if count is not None: + if not isinstance(count, int) or count < 1: + raise DataError("XRANGE count must be a positive integer") + pieces.append(b"COUNT") + pieces.append(str(count)) + + return self.execute_command("XRANGE", name, *pieces) + + def xread( + self, streams: Dict[KeyT, StreamIdT], count: int = None, block: int = None + ) -> Awaitable: + """ + Block and monitor multiple streams for new data. + streams: a dict of stream names to stream IDs, where + IDs indicate the last ID already seen. + count: if set, only return this many items, beginning with the + earliest available. + block: number of milliseconds to wait, if nothing already present. + """ + pieces: List[EncodableT] = [] + if block is not None: + if not isinstance(block, int) or block < 0: + raise DataError("XREAD block must be a non-negative integer") + pieces.append(b"BLOCK") + pieces.append(str(block)) + if count is not None: + if not isinstance(count, int) or count < 1: + raise DataError("XREAD count must be a positive integer") + pieces.append(b"COUNT") + pieces.append(str(count)) + if not isinstance(streams, dict) or len(streams) == 0: + raise DataError("XREAD streams must be a non empty dict") + pieces.append(b"STREAMS") + keys, values = zip(*streams.items()) + pieces.extend(keys) + pieces.extend(values) + return self.execute_command("XREAD", *pieces) + + def xreadgroup( + self, + groupname: str, + consumername: str, + streams: Dict[KeyT, StreamIdT], + count: int = None, + block: int = None, + noack: bool = False, + ) -> Awaitable: + """ + Read from a stream via a consumer group. + groupname: name of the consumer group. + consumername: name of the requesting consumer. + streams: a dict of stream names to stream IDs, where + IDs indicate the last ID already seen. + count: if set, only return this many items, beginning with the + earliest available. + block: number of milliseconds to wait, if nothing already present. + noack: do not add messages to the PEL + """ + pieces: List[EncodableT] = [b"GROUP", groupname, consumername] + if count is not None: + if not isinstance(count, int) or count < 1: + raise DataError("XREADGROUP count must be a positive integer") + pieces.append(b"COUNT") + pieces.append(str(count)) + if block is not None: + if not isinstance(block, int) or block < 0: + raise DataError("XREADGROUP block must be a non-negative " "integer") + pieces.append(b"BLOCK") + pieces.append(str(block)) + if noack: + pieces.append(b"NOACK") + if not isinstance(streams, dict) or len(streams) == 0: + raise DataError("XREADGROUP streams must be a non empty dict") + pieces.append(b"STREAMS") + pieces.extend(streams.keys()) + pieces.extend(streams.values()) + return self.execute_command("XREADGROUP", *pieces) + + def xrevrange( + self, name: KeyT, max: StreamIdT = "+", min: StreamIdT = "-", count: int = None + ) -> Awaitable: + """ + Read stream values within an interval, in reverse order. + name: name of the stream + start: first stream ID. defaults to '+', + meaning the latest available. + finish: last stream ID. defaults to '-', + meaning the earliest available. + count: if set, only return this many items, beginning with the + latest available. + """ + pieces: List[EncodableT] = [max, min] + if count is not None: + if not isinstance(count, int) or count < 1: + raise DataError("XREVRANGE count must be a positive integer") + pieces.append(b"COUNT") + pieces.append(str(count)) + + return self.execute_command("XREVRANGE", name, *pieces) + + def xtrim(self, name: KeyT, maxlen: int, approximate: bool = True) -> Awaitable: + """ + Trims old messages from a stream. + name: name of the stream. + maxlen: truncate old stream messages beyond this size + approximate: actual stream length may be slightly more than maxlen + """ + pieces: List[EncodableT] = [b"MAXLEN"] + if approximate: + pieces.append(b"~") + pieces.append(maxlen) + return self.execute_command("XTRIM", name, *pieces) + + # SORTED SET COMMANDS + def zadd( + self, + name: KeyT, + mapping: Mapping[AnyKeyT, EncodableT], + nx: bool = False, + xx: bool = False, + ch: bool = False, + incr: bool = False, + ) -> Awaitable: + """ + Set any number of element-name, score pairs to the key ``name``. Pairs + are specified as a dict of element-names keys to score values. + + ``nx`` forces ZADD to only create new elements and not to update + scores for elements that already exist. + + ``xx`` forces ZADD to only update scores of elements that already + exist. New elements will not be added. + + ``ch`` modifies the return value to be the numbers of elements changed. + Changed elements include new elements that were added and elements + whose scores changed. + + ``incr`` modifies ZADD to behave like ZINCRBY. In this mode only a + single element/score pair can be specified and the score is the amount + the existing score will be incremented by. When using this mode the + return value of ZADD will be the new score of the element. + + The return value of ZADD varies based on the mode specified. With no + options, ZADD returns the number of new elements added to the sorted + set. + """ + if not mapping: + raise DataError("ZADD requires at least one element/score pair") + if nx and xx: + raise DataError("ZADD allows either 'nx' or 'xx', not both") + if incr and len(mapping) != 1: + raise DataError( + "ZADD option 'incr' only works when passing a " + "single element/score pair" + ) + pieces: List[EncodableT] = [] + options = {} + if nx: + pieces.append(b"NX") + if xx: + pieces.append(b"XX") + if ch: + pieces.append(b"CH") + if incr: + pieces.append(b"INCR") + options["as_score"] = True + for pair in mapping.items(): + pieces.append(pair[1]) + pieces.append(pair[0]) + return self.execute_command("ZADD", name, *pieces, **options) + + def zcard(self, name: KeyT) -> Awaitable: + """Return the number of elements in the sorted set ``name``""" + return self.execute_command("ZCARD", name) + + def zcount(self, name: KeyT, min: ZScoreBoundT, max: ZScoreBoundT) -> Awaitable: + """ + Returns the number of elements in the sorted set at key ``name`` with + a score between ``min`` and ``max``. + """ + return self.execute_command("ZCOUNT", name, min, max) + + def zincrby(self, name: KeyT, amount: float, value: EncodableT) -> Awaitable: + """Increment the score of ``value`` in sorted set ``name`` by ``amount``""" + return self.execute_command("ZINCRBY", name, amount, value) + + def zinterstore( + self, + dest: KeyT, + keys: Union[Sequence[KeyT], Mapping[AnyKeyT, float]], + aggregate: str = None, + ) -> Awaitable: + """ + Intersect multiple sorted sets specified by ``keys`` into + a new sorted set, ``dest``. Scores in the destination will be + aggregated based on the ``aggregate``, or SUM if none is provided. + """ + return self._zaggregate("ZINTERSTORE", dest, keys, aggregate) + + def zlexcount(self, name: KeyT, min: EncodableT, max: EncodableT) -> Awaitable: + """ + Return the number of items in the sorted set ``name`` between the + lexicographical range ``min`` and ``max``. + """ + return self.execute_command("ZLEXCOUNT", name, min, max) + + def zpopmax(self, name: KeyT, count: int = None) -> Awaitable: + """ + Remove and return up to ``count`` members with the highest scores + from the sorted set ``name``. + """ + args = (count is not None) and [count] or [] + options = {"withscores": True} + return self.execute_command("ZPOPMAX", name, *args, **options) + + def zpopmin(self, name: KeyT, count: int = None) -> Awaitable: + """ + Remove and return up to ``count`` members with the lowest scores + from the sorted set ``name``. + """ + args = (count is not None) and [count] or [] + options = {"withscores": True} + return self.execute_command("ZPOPMIN", name, *args, **options) + + def bzpopmax(self, keys: KeysT, timeout: int = 0) -> Awaitable: + """ + ZPOPMAX a value off of the first non-empty sorted set + named in the ``keys`` list. + + If none of the sorted sets in ``keys`` has a value to ZPOPMAX, + then block for ``timeout`` seconds, or until a member gets added + to one of the sorted sets. + + If timeout is 0, then block indefinitely. + """ + if timeout is None: + timeout = 0 + keys = list_or_args(keys, None) + keys.append(timeout) + return self.execute_command("BZPOPMAX", *keys) + + def bzpopmin(self, keys: KeysT, timeout: int = 0) -> Awaitable: + """ + ZPOPMIN a value off of the first non-empty sorted set + named in the ``keys`` list. + + If none of the sorted sets in ``keys`` has a value to ZPOPMIN, + then block for ``timeout`` seconds, or until a member gets added + to one of the sorted sets. + + If timeout is 0, then block indefinitely. + """ + if timeout is None: + timeout = 0 + klist: List[EncodableT] = list_or_args(keys, None) + klist.append(timeout) + return self.execute_command("BZPOPMIN", *klist) + + def zrange( + self, + name: KeyT, + start: int, + end: int, + desc: bool = False, + withscores: bool = False, + score_cast_func: Union[Type, Callable] = float, + ) -> Awaitable: + """ + Return a range of values from sorted set ``name`` between + ``start`` and ``end`` sorted in ascending order. + + ``start`` and ``end`` can be negative, indicating the end of the range. + + ``desc`` a boolean indicating whether to sort the results descendingly + + ``withscores`` indicates to return the scores along with the values. + The return type is a list of (value, score) pairs + + ``score_cast_func`` a callable used to cast the score return value + """ + if desc: + return self.zrevrange(name, start, end, withscores, score_cast_func) + pieces: List[EncodableT] = ["ZRANGE", name, start, end] + if withscores: + pieces.append(b"WITHSCORES") + options = {"withscores": withscores, "score_cast_func": score_cast_func} + return self.execute_command(*pieces, **options) + + def zrangebylex( + self, + name: KeyT, + min: EncodableT, + max: EncodableT, + start: int = None, + num: int = None, + ) -> Awaitable: + """ + Return the lexicographical range of values from sorted set ``name`` + between ``min`` and ``max``. + + If ``start`` and ``num`` are specified, then return a slice of the + range. + """ + if (start is not None and num is None) or (num is not None and start is None): + raise DataError("``start`` and ``num`` must both be specified") + pieces: List[EncodableT] = ["ZRANGEBYLEX", name, min, max] + if start is not None and num is not None: + pieces.extend([b"LIMIT", start, num]) + return self.execute_command(*pieces) + + def zrevrangebylex( + self, + name: KeyT, + max: EncodableT, + min: EncodableT, + start: int = None, + num: int = None, + ) -> Awaitable: + """ + Return the reversed lexicographical range of values from sorted set + ``name`` between ``max`` and ``min``. + + If ``start`` and ``num`` are specified, then return a slice of the + range. + """ + if (start is not None and num is None) or (num is not None and start is None): + raise DataError("``start`` and ``num`` must both be specified") + pieces: List[EncodableT] = ["ZREVRANGEBYLEX", name, max, min] + if start is not None and num is not None: + pieces.extend([b"LIMIT", start, num]) + return self.execute_command(*pieces) + + def zrangebyscore( + self, + name: KeyT, + min: ZScoreBoundT, + max: ZScoreBoundT, + start: int = None, + num: int = None, + withscores: bool = False, + score_cast_func: Union[Type, Callable] = float, + ) -> Awaitable: + """ + Return a range of values from the sorted set ``name`` with scores + between ``min`` and ``max``. + + If ``start`` and ``num`` are specified, then return a slice + of the range. + + ``withscores`` indicates to return the scores along with the values. + The return type is a list of (value, score) pairs + + `score_cast_func`` a callable used to cast the score return value + """ + if (start is not None and num is None) or (num is not None and start is None): + raise DataError("``start`` and ``num`` must both be specified") + pieces: List[EncodableT] = ["ZRANGEBYSCORE", name, min, max] + if start is not None and num is not None: + pieces.extend([b"LIMIT", start, num]) + if withscores: + pieces.append(b"WITHSCORES") + options = {"withscores": withscores, "score_cast_func": score_cast_func} + return self.execute_command(*pieces, **options) + + def zrank(self, name: KeyT, value: EncodableT) -> Awaitable: + """ + Returns a 0-based value indicating the rank of ``value`` in sorted set + ``name`` + """ + return self.execute_command("ZRANK", name, value) + + def zrem(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Remove member ``values`` from sorted set ``name``""" + return self.execute_command("ZREM", name, *values) + + def zremrangebylex(self, name: KeyT, min: EncodableT, max: EncodableT) -> Awaitable: + """ + Remove all elements in the sorted set ``name`` between the + lexicographical range specified by ``min`` and ``max``. + + Returns the number of elements removed. + """ + return self.execute_command("ZREMRANGEBYLEX", name, min, max) + + def zremrangebyrank(self, name: KeyT, min: int, max: int) -> Awaitable: + """ + Remove all elements in the sorted set ``name`` with ranks between + ``min`` and ``max``. Values are 0-based, ordered from smallest score + to largest. Values can be negative indicating the highest scores. + Returns the number of elements removed + """ + return self.execute_command("ZREMRANGEBYRANK", name, min, max) + + def zremrangebyscore( + self, name: KeyT, min: ZScoreBoundT, max: ZScoreBoundT + ) -> Awaitable: + """ + Remove all elements in the sorted set ``name`` with scores + between ``min`` and ``max``. Returns the number of elements removed. + """ + return self.execute_command("ZREMRANGEBYSCORE", name, min, max) + + def zrevrange( + self, + name: KeyT, + start: int, + end: int, + withscores: bool = False, + score_cast_func: Union[Type, Callable] = float, + ) -> Awaitable: + """ + Return a range of values from sorted set ``name`` between + ``start`` and ``end`` sorted in descending order. + + ``start`` and ``end`` can be negative, indicating the end of the range. + + ``withscores`` indicates to return the scores along with the values + The return type is a list of (value, score) pairs + + ``score_cast_func`` a callable used to cast the score return value + """ + pieces: List[EncodableT] = ["ZREVRANGE", name, start, end] + if withscores: + pieces.append(b"WITHSCORES") + options = {"withscores": withscores, "score_cast_func": score_cast_func} + return self.execute_command(*pieces, **options) + + def zrevrangebyscore( + self, + name: KeyT, + min: ZScoreBoundT, + max: ZScoreBoundT, + start: int = None, + num: int = None, + withscores: bool = False, + score_cast_func: Union[Type, Callable] = float, + ) -> Awaitable: + """ + Return a range of values from the sorted set ``name`` with scores + between ``min`` and ``max`` in descending order. + + If ``start`` and ``num`` are specified, then return a slice + of the range. + + ``withscores`` indicates to return the scores along with the values. + The return type is a list of (value, score) pairs + + ``score_cast_func`` a callable used to cast the score return value + """ + if (start is not None and num is None) or (num is not None and start is None): + raise DataError("``start`` and ``num`` must both be specified") + pieces: List[EncodableT] = ["ZREVRANGEBYSCORE", name, min, max] + if start is not None and num is not None: + pieces.extend([b"LIMIT", start, num]) + if withscores: + pieces.append(b"WITHSCORES") + options = {"withscores": withscores, "score_cast_func": score_cast_func} + return self.execute_command(*pieces, **options) + + def zrevrank(self, name: KeyT, value: EncodableT) -> Awaitable: + """ + Returns a 0-based value indicating the descending rank of + ``value`` in sorted set ``name`` + """ + return self.execute_command("ZREVRANK", name, value) + + def zscore(self, name: str, value: EncodableT) -> Awaitable: + """Return the score of element ``value`` in sorted set ``name``""" + return self.execute_command("ZSCORE", name, value) + + def zunionstore( + self, + dest: KeyT, + keys: Union[Sequence[KeyT], Mapping[AnyKeyT, float]], + aggregate: str = None, + ) -> Awaitable: + """ + Union multiple sorted sets specified by ``keys`` into + a new sorted set, ``dest``. Scores in the destination will be + aggregated based on the ``aggregate``, or SUM if none is provided. + """ + return self._zaggregate("ZUNIONSTORE", dest, keys, aggregate) + + def _zaggregate( + self, + command: str, + dest: KeyT, + keys: Union[Sequence[KeyT], Mapping[AnyKeyT, float]], + aggregate: str = None, + ) -> Awaitable: + pieces: List[EncodableT] = [command, dest, len(keys)] + if isinstance(keys, dict): + keys, weights = keys.keys(), keys.values() + else: + weights = None + pieces.extend(keys) + if weights: + pieces.append(b"WEIGHTS") + pieces.extend(weights) + if aggregate: + pieces.append(b"AGGREGATE") + pieces.append(aggregate) + return self.execute_command(*pieces) + + # HYPERLOGLOG COMMANDS + def pfadd(self, name: KeyT, *values: EncodableT) -> Awaitable: + """Adds the specified elements to the specified HyperLogLog.""" + return self.execute_command("PFADD", name, *values) + + def pfcount(self, *sources: KeyT) -> Awaitable: + """ + Return the approximated cardinality of + the set observed by the HyperLogLog at key(s). + """ + return self.execute_command("PFCOUNT", *sources) + + def pfmerge(self, dest: KeyT, *sources: KeyT) -> Awaitable: + """Merge N different HyperLogLogs into a single one.""" + return self.execute_command("PFMERGE", dest, *sources) + + # HASH COMMANDS + def hdel(self, name: KeyT, *keys: FieldT) -> Awaitable: + """Delete ``keys`` from hash ``name``""" + return self.execute_command("HDEL", name, *keys) + + def hexists(self, name: KeyT, key: FieldT) -> Awaitable: + """Returns a boolean indicating if ``key`` exists within hash ``name``""" + return self.execute_command("HEXISTS", name, key) + + def hget(self, name: KeyT, key: FieldT) -> Awaitable: + """Return the value of ``key`` within the hash ``name``""" + return self.execute_command("HGET", name, key) + + def hgetall(self, name: KeyT) -> Awaitable: + """Return a Python dict of the hash's name/value pairs""" + return self.execute_command("HGETALL", name) + + def hincrby(self, name: KeyT, key: FieldT, amount: int = 1) -> Awaitable: + """Increment the value of ``key`` in hash ``name`` by ``amount``""" + return self.execute_command("HINCRBY", name, key, amount) + + def hincrbyfloat(self, name: KeyT, key: FieldT, amount: float = 1.0) -> Awaitable: + """ + Increment the value of ``key`` in hash ``name`` by floating ``amount`` + """ + return self.execute_command("HINCRBYFLOAT", name, key, amount) + + def hkeys(self, name: KeyT) -> Awaitable: + """Return the list of keys within hash ``name``""" + return self.execute_command("HKEYS", name) + + def hlen(self, name: KeyT) -> Awaitable: + """Return the number of elements in hash ``name``""" + return self.execute_command("HLEN", name) + + def hset( + self, + name: KeyT, + key: FieldT = None, + value: EncodableT = None, + mapping: Mapping[AnyFieldT, EncodableT] = None, + ) -> Awaitable: + """ + Set ``key`` to ``value`` within hash ``name``, + ``mapping`` accepts a dict of key/value pairs that that will be + added to hash ``name``. + Returns the number of fields that were added. + """ + if key is None and not mapping: + raise DataError("'hset' with no key value pairs") + items: List[EncodableT] = [] + if key is not None: + items.extend((key, value)) + if mapping: + for pair in mapping.items(): + items.extend(pair) + + return self.execute_command("HSET", name, *items) + + def hsetnx(self, name: KeyT, key: FieldT, value: EncodableT) -> Awaitable: + """ + Set ``key`` to ``value`` within hash ``name`` if ``key`` does not + exist. Returns 1 if HSETNX created a field, otherwise 0. + """ + return self.execute_command("HSETNX", name, key, value) + + def hmset(self, name: KeyT, mapping: Mapping[AnyFieldT, EncodableT]) -> Awaitable: + """ + Set key to value within hash ``name`` for each corresponding + key and value from the ``mapping`` dict. + """ + warnings.warn( + f"{self.__class__.__name__}.hmset() is deprecated. " + f"Use {self.__class__.__name__}.hset() instead.", + DeprecationWarning, + stacklevel=2, + ) + if not mapping: + raise DataError("'hmset' with 'mapping' of length 0") + items = [] + for pair in mapping.items(): + items.extend(pair) + return self.execute_command("HMSET", name, *items) + + def hmget(self, name: KeyT, keys: Sequence[FieldT], *args: FieldT) -> Awaitable: + """Returns a list of values ordered identically to ``keys``""" + args = list_or_args(keys, args) + return self.execute_command("HMGET", name, *args) + + def hvals(self, name: KeyT) -> Awaitable: + """Return the list of values within hash ``name``""" + return self.execute_command("HVALS", name) + + def hstrlen(self, name: KeyT, key: FieldT) -> Awaitable: + """ + Return the number of bytes stored in the value of ``key`` + within hash ``name`` + """ + return self.execute_command("HSTRLEN", name, key) + + def publish(self, channel: ChannelT, message: EncodableT) -> Awaitable: + """ + Publish ``message`` on ``channel``. + Returns the number of subscribers the message was delivered to. + """ + return self.execute_command("PUBLISH", channel, message) + + def pubsub_channels(self, pattern: PatternT = "*") -> Awaitable: + """ + Return a list of channels that have at least one subscriber + """ + return self.execute_command("PUBSUB CHANNELS", pattern) + + def pubsub_numpat(self) -> Awaitable: + """ + Returns the number of subscriptions to patterns + """ + return self.execute_command("PUBSUB NUMPAT") + + def pubsub_numsub(self, *args: ChannelT) -> Awaitable: + """ + Return a list of (channel, number of subscribers) tuples + for each channel given in ``*args`` + """ + return self.execute_command("PUBSUB NUMSUB", *args) + + def cluster(self, cluster_arg: str, *args: str) -> Awaitable: + return self.execute_command(f"CLUSTER {cluster_arg.upper()}", *args) + + def eval( + self, script: ScriptTextT, numkeys: int, *keys_and_args: EncodableT + ) -> Awaitable: + """ + Execute the Lua ``script``, specifying the ``numkeys`` the script + will touch and the key names and argument values in ``keys_and_args``. + Returns the result of the script. + + In practice, use the object returned by ``register_script``. This + function exists purely for Redis API completion. + """ + return self.execute_command("EVAL", script, numkeys, *keys_and_args) + + def evalsha(self, sha: str, numkeys: int, *keys_and_args: str) -> Awaitable: + """ + Use the ``sha`` to execute a Lua script already registered via EVAL + or SCRIPT LOAD. Specify the ``numkeys`` the script will touch and the + key names and argument values in ``keys_and_args``. Returns the result + of the script. + + In practice, use the object returned by ``register_script``. This + function exists purely for Redis API completion. + """ + return self.execute_command("EVALSHA", sha, numkeys, *keys_and_args) + + def script_exists(self, *args: str) -> Awaitable: + """ + Check if a script exists in the script cache by specifying the SHAs of + each script as ``args``. Returns a list of boolean values indicating if + if each already script exists in the cache. + """ + return self.execute_command("SCRIPT EXISTS", *args) + + def script_flush(self) -> Awaitable: + """Flush all scripts from the script cache""" + return self.execute_command("SCRIPT FLUSH") + + def script_kill(self) -> Awaitable: + """Kill the currently executing Lua script""" + return self.execute_command("SCRIPT KILL") + + def script_load(self, script: ScriptTextT) -> Awaitable: + """Load a Lua ``script`` into the script cache. Returns the SHA.""" + return self.execute_command("SCRIPT LOAD", script) + + def register_script(self, script: ScriptTextT) -> "Script": + """ + Register a Lua ``script`` specifying the ``keys`` it will touch. + Returns a Script object that is callable and hides the complexity of + deal with scripts, keys, and shas. This is the preferred way to work + with Lua scripts. + """ + return Script(self, script) + + # GEO COMMANDS + def geoadd(self, name: KeyT, *values: EncodableT) -> Awaitable: + """ + Add the specified geospatial items to the specified key identified + by the ``name`` argument. The Geospatial items are given as ordered + members of the ``values`` argument, each item or place is formed by + the triad longitude, latitude and name. + """ + if len(values) % 3 != 0: + raise DataError("GEOADD requires places with lon, lat and name values") + return self.execute_command("GEOADD", name, *values) + + def geodist( + self, name: KeyT, place1: FieldT, place2: FieldT, unit: str = None + ) -> Awaitable: + """ + Return the distance between ``place1`` and ``place2`` members of the + ``name`` key. + The units must be one of the following : m, km mi, ft. By default + meters are used. + """ + pieces: List[EncodableT] = [name, place1, place2] + if unit and unit not in ("m", "km", "mi", "ft"): + raise DataError("GEODIST invalid unit") + elif unit: + pieces.append(unit) + return self.execute_command("GEODIST", *pieces) + + def geohash(self, name: KeyT, *values: FieldT) -> Awaitable: + """ + Return the geo hash string for each item of ``values`` members of + the specified key identified by the ``name`` argument. + """ + return self.execute_command("GEOHASH", name, *values) + + def geopos(self, name: KeyT, *values: FieldT) -> Awaitable: + """ + Return the positions of each item of ``values`` as members of + the specified key identified by the ``name`` argument. Each position + is represented by the pairs lon and lat. + """ + return self.execute_command("GEOPOS", name, *values) + + def georadius( + self, + name: KeyT, + longitude: float, + latitude: float, + radius: float, + unit: str = None, + withdist: bool = False, + withcoord: bool = False, + withhash: bool = False, + count: int = None, + sort: str = None, + store: KeyT = None, + store_dist: KeyT = None, + ) -> Awaitable: + """ + Return the members of the specified key identified by the + ``name`` argument which are within the borders of the area specified + with the ``latitude`` and ``longitude`` location and the maximum + distance from the center specified by the ``radius`` value. + + The units must be one of the following : m, km mi, ft. By default + + ``withdist`` indicates to return the distances of each place. + + ``withcoord`` indicates to return the latitude and longitude of + each place. + + ``withhash`` indicates to return the geohash string of each place. + + ``count`` indicates to return the number of elements up to N. + + ``sort`` indicates to return the places in a sorted way, ASC for + nearest to fairest and DESC for fairest to nearest. + + ``store`` indicates to save the places names in a sorted set named + with a specific key, each element of the destination sorted set is + populated with the score got from the original geo sorted set. + + ``store_dist`` indicates to save the places names in a sorted set + named with a specific key, instead of ``store`` the sorted set + destination score is set with the distance. + """ + return self._georadiusgeneric( + "GEORADIUS", + name, + longitude, + latitude, + radius, + unit=unit, + withdist=withdist, + withcoord=withcoord, + withhash=withhash, + count=count, + sort=sort, + store=store, + store_dist=store_dist, + ) + + def georadiusbymember( + self, + name: KeyT, + member: FieldT, + radius: float, + unit: str = None, + withdist: bool = False, + withcoord: bool = False, + withhash: bool = False, + count: int = None, + sort: str = None, + store: KeyT = None, + store_dist: KeyT = None, + ) -> Awaitable: + """ + This command is exactly like ``georadius`` with the sole difference + that instead of taking, as the center of the area to query, a longitude + and latitude value, it takes the name of a member already existing + inside the geospatial index represented by the sorted set. + """ + return self._georadiusgeneric( + "GEORADIUSBYMEMBER", + name, + member, + radius, + unit=unit, + withdist=withdist, + withcoord=withcoord, + withhash=withhash, + count=count, + sort=sort, + store=store, + store_dist=store_dist, + ) + + def _georadiusgeneric( + self, command: str, *args: EncodableT, **kwargs: Optional[EncodableT] + ) -> Awaitable: + pieces: List[EncodableT] = list(args) + if kwargs["unit"] and kwargs["unit"] not in ("m", "km", "mi", "ft"): + raise DataError("GEORADIUS invalid unit") + elif kwargs["unit"]: + pieces.append(kwargs["unit"]) + else: + pieces.append( + "m", + ) + + for arg_name, byte_repr in ( + ("withdist", b"WITHDIST"), + ("withcoord", b"WITHCOORD"), + ("withhash", b"WITHHASH"), + ): + if kwargs[arg_name]: + pieces.append(byte_repr) + + if kwargs["count"]: + pieces.extend([b"COUNT", kwargs["count"]]) + + if kwargs["sort"]: + if kwargs["sort"] == "ASC": + pieces.append(b"ASC") + elif kwargs["sort"] == "DESC": + pieces.append(b"DESC") + else: + raise DataError("GEORADIUS invalid sort") + + if kwargs["store"] and kwargs["store_dist"]: + raise DataError("GEORADIUS store and store_dist cant be set" " together") + + if kwargs["store"]: + pieces.extend([b"STORE", kwargs["store"]]) + + if kwargs["store_dist"]: + pieces.extend([b"STOREDIST", kwargs["store_dist"]]) + + return self.execute_command(command, *pieces, **kwargs) + + # MODULE COMMANDS + def module_load(self, path: str) -> Awaitable: + """ + Loads the module from ``path``. + Raises ``ModuleError`` if a module is not found at ``path``. + """ + return self.execute_command("MODULE LOAD", path) + + def module_unload(self, name: str) -> Awaitable: + """ + Unloads the module ``name``. + Raises ``ModuleError`` if ``name`` is not in loaded modules. + """ + return self.execute_command("MODULE UNLOAD", name) + + def module_list(self) -> Awaitable: + """ + Returns a list of dictionaries containing the name and version of + all loaded modules. + """ + return self.execute_command("MODULE LIST") + + +StrictRedis = Redis + + +class MonitorCommandInfo(TypedDict): + time: float + db: int + client_address: str + client_port: str + client_type: str + command: str + + +class Monitor: + """ + Monitor is useful for handling the MONITOR command to the redis server. + next_command() method returns one command from monitor + listen() method yields commands from monitor. + """ + + monitor_re = re.compile(r"\[(\d+) (.*)\] (.*)") + command_re = re.compile(r'"(.*?)(? MonitorCommandInfo: + """Parse the response from a monitor command""" + await self.connect() + response = await self.connection.read_response() + if isinstance(response, bytes): + response = self.connection.encoder.decode(response, force=True) + command_time, command_data = response.split(" ", 1) + m = self.monitor_re.match(command_data) + db_id, client_info, command = m.groups() + command = " ".join(self.command_re.findall(command)) + # Redis escapes double quotes because each piece of the command + # string is surrounded by double quotes. We don't have that + # requirement so remove the escaping and leave the quote. + command = command.replace('\\"', '"') + + if client_info == "lua": + client_address = "lua" + client_port = "" + client_type = "lua" + elif client_info.startswith("unix"): + client_address = "unix" + client_port = client_info[5:] + client_type = "unix" + else: + # use rsplit as ipv6 addresses contain colons + client_address, client_port = client_info.rsplit(":", 1) + client_type = "tcp" + return { + "time": float(command_time), + "db": int(db_id), + "client_address": client_address, + "client_port": client_port, + "client_type": client_type, + "command": command, + } + + async def listen(self) -> AsyncIterator[MonitorCommandInfo]: + """Listen for commands coming to the server.""" + while True: + yield await self.next_command() + + +class PubSub: + """ + PubSub provides publish, subscribe and listen support to Redis channels. + + After subscribing to one or more channels, the listen() method will block + until a message arrives on one of the subscribed channels. That message + will be returned and it's safe to start listening again. + """ + + PUBLISH_MESSAGE_TYPES = ("message", "pmessage") + UNSUBSCRIBE_MESSAGE_TYPES = ("unsubscribe", "punsubscribe") + HEALTH_CHECK_MESSAGE = "aioredis-py-health-check" + + def __init__( + self, + connection_pool: ConnectionPool, + shard_hint: str = None, + ignore_subscribe_messages: bool = False, + ): + self.connection_pool = connection_pool + self.shard_hint = shard_hint + self.ignore_subscribe_messages = ignore_subscribe_messages + self.connection = None + # we need to know the encoding options for this connection in order + # to lookup channel and pattern names for callback handlers. + self.encoder = self.connection_pool.get_encoder() + if self.encoder.decode_responses: + self.health_check_response: Iterable[Union[str, bytes]] = [ + "pong", + self.HEALTH_CHECK_MESSAGE, + ] + else: + self.health_check_response = [ + b"pong", + self.encoder.encode(self.HEALTH_CHECK_MESSAGE), + ] + self.channels = {} + self.pending_unsubscribe_channels = set() + self.patterns = {} + self.pending_unsubscribe_patterns = set() + self._lock = asyncio.Lock() + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.reset() + + def __del__(self): + if self.connection: + self.connection.clear_connect_callbacks() + + async def reset(self): + async with self._lock: + if self.connection: + await self.connection.disconnect() + self.connection.clear_connect_callbacks() + await self.connection_pool.release(self.connection) + self.connection = None + self.channels = {} + self.pending_unsubscribe_channels = set() + self.patterns = {} + self.pending_unsubscribe_patterns = set() + + def close(self) -> Awaitable[NoReturn]: + return self.reset() + + async def on_connect(self, connection: Connection): + """Re-subscribe to any channels and patterns previously subscribed to""" + # NOTE: for python3, we can't pass bytestrings as keyword arguments + # so we need to decode channel/pattern names back to unicode strings + # before passing them to [p]subscribe. + self.pending_unsubscribe_channels.clear() + self.pending_unsubscribe_patterns.clear() + if self.channels: + channels = {} + for k, v in self.channels.items(): + channels[self.encoder.decode(k, force=True)] = v + await self.subscribe(**channels) + if self.patterns: + patterns = {} + for k, v in self.patterns.items(): + patterns[self.encoder.decode(k, force=True)] = v + await self.psubscribe(**patterns) + + @property + def subscribed(self): + """Indicates if there are subscriptions to any channels or patterns""" + return bool(self.channels or self.patterns) + + async def execute_command(self, *args: EncodableT): + """Execute a publish/subscribe command""" + + # NOTE: don't parse the response in this function -- it could pull a + # legitimate message off the stack if the connection is already + # subscribed to one or more channels + + if self.connection is None: + self.connection = await self.connection_pool.get_connection( + "pubsub", self.shard_hint + ) + # register a callback that re-subscribes to any channels we + # were listening to when we were disconnected + self.connection.register_connect_callback(self.on_connect) + connection = self.connection + kwargs = {"check_health": not self.subscribed} + await self._execute(connection, connection.send_command, *args, **kwargs) + + async def _execute(self, connection, command, *args, **kwargs): + try: + return await command(*args, **kwargs) + except (ConnectionError, TimeoutError) as e: + await connection.disconnect() + if not (connection.retry_on_timeout and isinstance(e, TimeoutError)): + raise + # Connect manually here. If the Redis server is down, this will + # fail and raise a ConnectionError as desired. + await connection.connect() + # the ``on_connect`` callback should haven been called by the + # connection to resubscribe us to any channels and patterns we were + # previously listening to + return await command(*args, **kwargs) + + async def parse_response(self, block: bool = True, timeout: float = 0): + """Parse the response from a publish/subscribe command""" + conn = self.connection + if conn is None: + raise RuntimeError( + "pubsub connection not set: " + "did you forget to call subscribe() or psubscribe()?" + ) + + await self.check_health() + + if not block and not await conn.can_read(timeout=timeout): + return None + response = await self._execute(conn, conn.read_response) + + if conn.health_check_interval and response == self.health_check_response: + # ignore the health check message as user might not expect it + return None + return response + + async def check_health(self): + conn = self.connection + if conn is None: + raise RuntimeError( + "pubsub connection not set: " + "did you forget to call subscribe() or psubscribe()?" + ) + + if ( + conn.health_check_interval + and asyncio.get_event_loop().time() > conn.next_health_check + ): + await conn.send_command( + "PING", self.HEALTH_CHECK_MESSAGE, check_health=False + ) + + def _normalize_keys(self, data: Mapping[AnyChannelT, EncodableT]): + """ + normalize channel/pattern names to be either bytes or strings + based on whether responses are automatically decoded. this saves us + from coercing the value for each message coming in. + """ + encode = self.encoder.encode + decode = self.encoder.decode + return {decode(encode(k)): v for k, v in data.items()} + + async def psubscribe(self, *args: ChannelT, **kwargs: Callable): + """ + Subscribe to channel patterns. Patterns supplied as keyword arguments + expect a pattern name as the key and a callable as the value. A + pattern's callable will be invoked automatically when a message is + received on that pattern rather than producing a message via + ``listen()``. + """ + if args: + args = list_or_args(args[0], args[1:]) + new_patterns: Dict[ChannelT, Optional[Callable]] = dict.fromkeys(args) + new_patterns.update(kwargs) + ret_val = await self.execute_command("PSUBSCRIBE", *new_patterns.keys()) + # update the patterns dict AFTER we send the command. we don't want to + # subscribe twice to these patterns, once for the command and again + # for the reconnection. + new_patterns = self._normalize_keys(new_patterns) + self.patterns.update(new_patterns) + self.pending_unsubscribe_patterns.difference_update(new_patterns) + return ret_val + + def punsubscribe(self, *args: EncodableT) -> Awaitable: + """ + Unsubscribe from the supplied patterns. If empty, unsubscribe from + all patterns. + """ + if args: + args = list_or_args(args[0], args[1:]) + patterns = self._normalize_keys(dict.fromkeys(args)) + else: + patterns = self.patterns + self.pending_unsubscribe_patterns.update(patterns) + return self.execute_command("PUNSUBSCRIBE", *args) + + async def subscribe(self, *args: ChannelT, **kwargs: Callable): + """ + Subscribe to channels. Channels supplied as keyword arguments expect + a channel name as the key and a callable as the value. A channel's + callable will be invoked automatically when a message is received on + that channel rather than producing a message via ``listen()`` or + ``get_message()``. + """ + if args: + args = list_or_args(args[0], args[1:]) + new_channels = dict.fromkeys(args) + new_channels.update(kwargs) + ret_val = await self.execute_command("SUBSCRIBE", *new_channels.keys()) + # update the channels dict AFTER we send the command. we don't want to + # subscribe twice to these channels, once for the command and again + # for the reconnection. + new_channels = self._normalize_keys(new_channels) + self.channels.update(new_channels) + self.pending_unsubscribe_channels.difference_update(new_channels) + return ret_val + + def unsubscribe(self, *args) -> Awaitable: + """ + Unsubscribe from the supplied channels. If empty, unsubscribe from + all channels + """ + if args: + args = list_or_args(args[0], args[1:]) + channels = self._normalize_keys(dict.fromkeys(args)) + else: + channels = self.channels + self.pending_unsubscribe_channels.update(channels) + return self.execute_command("UNSUBSCRIBE", *args) + + async def listen(self) -> AsyncIterator: + """Listen for messages on channels this client has been subscribed to""" + while self.subscribed: + response = self.handle_message(await self.parse_response(block=True)) + if response is not None: + yield response + + async def get_message( + self, ignore_subscribe_messages: bool = False, timeout: float = 0.0 + ): + """ + Get the next message if one is available, otherwise None. + + If timeout is specified, the system will wait for `timeout` seconds + before returning. Timeout should be specified as a floating point + number. + """ + response = await self.parse_response(block=False, timeout=timeout) + if response: + return self.handle_message(response, ignore_subscribe_messages) + return None + + def ping(self, message=None) -> Awaitable: + """ + Ping the Redis server + """ + message = "" if message is None else message + return self.execute_command("PING", message) + + def handle_message(self, response, ignore_subscribe_messages=False): + """ + Parses a pub/sub message. If the channel or pattern was subscribed to + with a message handler, the handler is invoked instead of a parsed + message being returned. + """ + message_type = str_if_bytes(response[0]) + if message_type == "pmessage": + message = { + "type": message_type, + "pattern": response[1], + "channel": response[2], + "data": response[3], + } + elif message_type == "pong": + message = { + "type": message_type, + "pattern": None, + "channel": None, + "data": response[1], + } + else: + message = { + "type": message_type, + "pattern": None, + "channel": response[1], + "data": response[2], + } + + # if this is an unsubscribe message, remove it from memory + if message_type in self.UNSUBSCRIBE_MESSAGE_TYPES: + if message_type == "punsubscribe": + pattern = response[1] + if pattern in self.pending_unsubscribe_patterns: + self.pending_unsubscribe_patterns.remove(pattern) + self.patterns.pop(pattern, None) + else: + channel = response[1] + if channel in self.pending_unsubscribe_channels: + self.pending_unsubscribe_channels.remove(channel) + self.channels.pop(channel, None) + + if message_type in self.PUBLISH_MESSAGE_TYPES: + # if there's a message handler, invoke it + if message_type == "pmessage": + handler = self.patterns.get(message["pattern"], None) + else: + handler = self.channels.get(message["channel"], None) + if handler: + handler(message) + return None + elif message_type != "pong": + # this is a subscribe/unsubscribe message. ignore if we don't + # want them + if ignore_subscribe_messages or self.ignore_subscribe_messages: + return None + + return message + + async def run( + self, + *, + exception_handler: "PSWorkerThreadExcHandlerT" = None, + poll_timeout: float = 1.0, + ) -> None: + """Process pub/sub messages using registered callbacks. + + This is the equivalent of :py:meth:`redis.PubSub.run_in_thread` in + redis-py, but it is a coroutine. To launch it as a separate task, use + ``asyncio.create_task``: + + >>> task = asyncio.create_task(pubsub.run()) + + To shut it down, use asyncio cancellation: + + >>> task.cancel() + >>> await task + """ + for channel, handler in self.channels.items(): + if handler is None: + raise PubSubError(f"Channel: '{channel}' has no handler registered") + for pattern, handler in self.patterns.items(): + if handler is None: + raise PubSubError(f"Pattern: '{pattern}' has no handler registered") + + while True: + try: + await self.get_message( + ignore_subscribe_messages=True, timeout=poll_timeout + ) + except asyncio.CancelledError: + raise + except BaseException as e: + if exception_handler is None: + raise + res = exception_handler(e, self) + if inspect.isawaitable(res): + await res + # Ensure that other tasks on the event loop get a chance to run + # if we didn't have to block for I/O anywhere. + await asyncio.sleep(0) + + +class PubsubWorkerExceptionHandler(Protocol): + def __call__(self, e: BaseException, pubsub: PubSub): + ... + + +class AsyncPubsubWorkerExceptionHandler(Protocol): + async def __call__(self, e: BaseException, pubsub: PubSub): + ... + + +PSWorkerThreadExcHandlerT = Union[ + PubsubWorkerExceptionHandler, AsyncPubsubWorkerExceptionHandler +] + + +CommandT = Tuple[Tuple[Union[str, bytes], ...], Mapping[str, Any]] +CommandStackT = List[CommandT] + + +class Pipeline(Redis): # lgtm [py/init-calls-subclass] + """ + Pipelines provide a way to transmit multiple commands to the Redis server + in one transmission. This is convenient for batch processing, such as + saving all the values in a list to Redis. + + All commands executed within a pipeline are wrapped with MULTI and EXEC + calls. This guarantees all commands executed in the pipeline will be + executed atomically. + + Any command raising an exception does *not* halt the execution of + subsequent commands in the pipeline. Instead, the exception is caught + and its instance is placed into the response list returned by execute(). + Code iterating over the response list should be able to deal with an + instance of an exception as a potential value. In general, these will be + ResponseError exceptions, such as those raised when issuing a command + on a key of a different datatype. + """ + + UNWATCH_COMMANDS = {"DISCARD", "EXEC", "UNWATCH"} + + def __init__( + self, + connection_pool: ConnectionPool, + response_callbacks: Mapping[str, ResponseCallbackT], + transaction: bool, + shard_hint: Optional[str], + ): + self.connection_pool = connection_pool + self.connection = None + self.response_callbacks = response_callbacks + self.transaction = transaction + self.shard_hint = shard_hint + self.watching = False + self.command_stack: CommandStackT = [] + self.scripts: Set[Script] = set() + self.explicit_transaction = False + + async def __aenter__(self) -> "Pipeline": + return self + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.reset() + + def __await__(self): + return self._async_self().__await__() + + def __del__(self): + try: + loop = asyncio.get_event_loop() + if loop.is_running(): + loop.create_task(self.reset()) + else: + loop.run_until_complete(self.reset()) + super().__del__() + except Exception: + pass + + def __len__(self): + return len(self.command_stack) + + def __bool__(self): + """Pipeline instances should always evaluate to True""" + return True + + async def _async_self(self): + return self + + async def reset(self): + self.command_stack = [] + self.scripts = set() + # make sure to reset the connection state in the event that we were + # watching something + if self.watching and self.connection: + try: + # call this manually since our unwatch or + # immediate_execute_command methods can call reset() + await self.connection.send_command("UNWATCH") + await self.connection.read_response() + except ConnectionError: + # disconnect will also remove any previous WATCHes + if self.connection: + await self.connection.disconnect() + # clean up the other instance attributes + self.watching = False + self.explicit_transaction = False + # we can safely return the connection to the pool here since we're + # sure we're no longer WATCHing anything + if self.connection: + await self.connection_pool.release(self.connection) + self.connection = None + + def multi(self): + """ + Start a transactional block of the pipeline after WATCH commands + are issued. End the transactional block with `execute`. + """ + if self.explicit_transaction: + raise RedisError("Cannot issue nested calls to MULTI") + if self.command_stack: + raise RedisError( + "Commands without an initial WATCH have already " "been issued" + ) + self.explicit_transaction = True + + def execute_command( + self, *args, **kwargs + ) -> Union["Pipeline", Awaitable["Pipeline"]]: + if (self.watching or args[0] == "WATCH") and not self.explicit_transaction: + return self.immediate_execute_command(*args, **kwargs) + return self.pipeline_execute_command(*args, **kwargs) + + async def immediate_execute_command(self, *args, **options): + """ + Execute a command immediately, but don't auto-retry on a + ConnectionError if we're already WATCHing a variable. Used when + issuing WATCH or subsequent commands retrieving their values but before + MULTI is called. + """ + command_name = args[0] + conn = self.connection + # if this is the first call, we need a connection + if not conn: + conn = await self.connection_pool.get_connection( + command_name, self.shard_hint + ) + self.connection = conn + try: + await conn.send_command(*args) + return await self.parse_response(conn, command_name, **options) + except (ConnectionError, TimeoutError) as e: + await conn.disconnect() + # if we were already watching a variable, the watch is no longer + # valid since this connection has died. raise a WatchError, which + # indicates the user should retry this transaction. + if self.watching: + await self.reset() + raise WatchError( + "A ConnectionError occurred on while watching one or more keys" + ) from e + # if retry_on_timeout is not set, or the error is not + # a TimeoutError, raise it + if not (conn.retry_on_timeout and isinstance(e, TimeoutError)): + await self.reset() + raise + + # retry_on_timeout is set, this is a TimeoutError and we are not + # already WATCHing any variables. retry the command. + try: + await conn.send_command(*args) + return self.parse_response(conn, command_name, **options) + except (ConnectionError, TimeoutError): + # a subsequent failure should simply be raised + await self.reset() + raise + except asyncio.CancelledError: + await conn.disconnect() + raise + + def pipeline_execute_command(self, *args, **options): + """ + Stage a command to be executed when execute() is next called + + Returns the current Pipeline object back so commands can be + chained together, such as: + + pipe = pipe.set('foo', 'bar').incr('baz').decr('bang') + + At some other point, you can then run: pipe.execute(), + which will execute all commands queued in the pipe. + """ + self.command_stack.append((args, options)) + return self + + async def _execute_transaction( + self, connection: Connection, commands: CommandStackT, raise_on_error + ): + cmds = chain([(("MULTI",), {})], commands, [(("EXEC",), {})]) + all_cmds = connection.pack_commands( + [args for args, options in cmds if EMPTY_RESPONSE not in options] + ) + await connection.send_packed_command(all_cmds) + errors = [] + + # parse off the response for MULTI + # NOTE: we need to handle ResponseErrors here and continue + # so that we read all the additional command messages from + # the socket + try: + await self.parse_response(connection, "_") + except ResponseError as err: + errors.append((0, err)) + + # and all the other commands + for i, command in enumerate(commands): + if EMPTY_RESPONSE in command[1]: + errors.append((i, command[1][EMPTY_RESPONSE])) + else: + try: + await self.parse_response(connection, "_") + except ResponseError as err: + self.annotate_exception(err, i + 1, command[0]) + errors.append((i, err)) + + # parse the EXEC. + try: + response = await self.parse_response(connection, "_") + except ExecAbortError as err: + if errors: + raise errors[0][1] from err + raise + + # EXEC clears any watched keys + self.watching = False + + if response is None: + raise WatchError("Watched variable changed.") from None + + # put any parse errors into the response + for i, e in errors: + response.insert(i, e) + + if len(response) != len(commands): + await self.connection.disconnect() + raise ResponseError( + "Wrong number of response items from pipeline execution" + ) from None + + # find any errors in the response and raise if necessary + if raise_on_error: + self.raise_first_error(commands, response) + + # We have to run response callbacks manually + data = [] + for r, cmd in zip(response, commands): + if not isinstance(r, Exception): + args, options = cmd + command_name = args[0] + if command_name in self.response_callbacks: + r = self.response_callbacks[command_name](r, **options) + if inspect.isawaitable(r): + r = await r + data.append(r) + return data + + async def _execute_pipeline( + self, connection: Connection, commands: CommandStackT, raise_on_error: bool + ): + # build up all commands into a single request to increase network perf + all_cmds = connection.pack_commands([args for args, _ in commands]) + await connection.send_packed_command(all_cmds) + + response = [] + for args, options in commands: + try: + response.append( + await self.parse_response(connection, args[0], **options) + ) + except ResponseError as e: + response.append(e) + + if raise_on_error: + self.raise_first_error(commands, response) + return response + + def raise_first_error(self, commands: CommandStackT, response: Iterable[Any]): + for i, r in enumerate(response): + if isinstance(r, ResponseError): + self.annotate_exception(r, i + 1, commands[i][0]) + raise r + + def annotate_exception(self, exception: Exception, number: int, command: str): + cmd = " ".join(map(safe_str, command)) + msg = f"Command # {number} ({cmd}) of pipeline caused error: {exception.args}" + exception.args = (msg,) + exception.args[1:] + + def parse_response( + self, connection: Connection, command_name: Union[str, bytes], **options + ): + result = Redis.parse_response(self, connection, command_name, **options) + if command_name in self.UNWATCH_COMMANDS: + self.watching = False + elif command_name == "WATCH": + self.watching = True + return result + + async def load_scripts(self): + # make sure all scripts that are about to be run on this pipeline exist + scripts = list(self.scripts) + immediate = self.immediate_execute_command + shas = [s.sha for s in scripts] + # we can't use the normal script_* methods because they would just + # get buffered in the pipeline. + exists = await immediate("SCRIPT EXISTS", *shas) + if not all(exists): + for s, exist in zip(scripts, exists): + if not exist: + s.sha = await immediate("SCRIPT LOAD", s.script) + + async def execute(self, raise_on_error: bool = True): + """Execute all the commands in the current pipeline""" + stack = self.command_stack + if not stack and not self.watching: + return [] + if self.scripts: + await self.load_scripts() + if self.transaction or self.explicit_transaction: + execute = self._execute_transaction + else: + execute = self._execute_pipeline + + conn = self.connection + if not conn: + conn = await self.connection_pool.get_connection("MULTI", self.shard_hint) + # assign to self.connection so reset() releases the connection + # back to the pool after we're done + self.connection = conn + + try: + return await execute(conn, stack, raise_on_error) + except (ConnectionError, TimeoutError) as e: + await conn.disconnect() + # if we were watching a variable, the watch is no longer valid + # since this connection has died. raise a WatchError, which + # indicates the user should retry this transaction. + if self.watching: + raise WatchError( + "A ConnectionError occurred on while " "watching one or more keys" + ) from e + # if retry_on_timeout is not set, or the error is not + # a TimeoutError, raise it + if not (conn.retry_on_timeout and isinstance(e, TimeoutError)): + raise + # retry a TimeoutError when retry_on_timeout is set + return await execute(conn, stack, raise_on_error) + finally: + await self.reset() + + async def watch(self, *names: KeyT): + """Watches the values at keys ``names``""" + if self.explicit_transaction: + raise RedisError("Cannot issue a WATCH after a MULTI") + return await self.execute_command("WATCH", *names) + + async def unwatch(self): + """Unwatches all previously specified keys""" + return self.watching and await self.execute_command("UNWATCH") or True + + +class Script: + """An executable Lua script object returned by ``register_script``""" + + def __init__(self, registered_client: Redis, script: ScriptTextT): + self.registered_client = registered_client + self.script = script + # Precalculate and store the SHA1 hex digest of the script. + + if isinstance(script, str): + # We need the encoding from the client in order to generate an + # accurate byte representation of the script + encoder = registered_client.connection_pool.get_encoder() + script = encoder.encode(script) + self.sha = hashlib.sha1(script).hexdigest() + + async def __call__( + self, + keys: Sequence[KeyT] = None, + args: Iterable[EncodableT] = None, + client: Redis = None, + ): + """Execute the script, passing any required ``args``""" + keys = keys or [] + args = args or [] + if client is None: + client = self.registered_client + args = tuple(keys) + tuple(args) + # make sure the Redis server knows about the script + if isinstance(client, Pipeline): + # Make sure the pipeline can register the script before executing. + client.scripts.add(self) + return client.evalsha(self.sha, len(keys), *args) + try: + return await client.evalsha(self.sha, len(keys), *args) + except NoScriptError: + # Maybe the client is pointed to a differnet server than the client + # that created this instance? + # Overwrite the sha just in case there was a discrepancy. + self.sha = await client.script_load(self.script) + return await client.evalsha(self.sha, len(keys), *args) + + +class BitFieldOperation: + """ + Command builder for BITFIELD commands. + """ + + def __init__(self, client: Redis, key: str, default_overflow: str = None): + self.client = client + self.key = key + self._default_overflow = default_overflow + self.operations: List[Tuple[EncodableT, ...]] = [] + self._last_overflow = "WRAP" + self.reset() + + def reset(self): + """ + Reset the state of the instance to when it was constructed + """ + self.operations = [] + self._last_overflow = "WRAP" + self.overflow(self._default_overflow or self._last_overflow) + + def overflow(self, overflow: str): + """ + Update the overflow algorithm of successive INCRBY operations + :param overflow: Overflow algorithm, one of WRAP, SAT, FAIL. See the + Redis docs for descriptions of these algorithmsself. + :returns: a :py:class:`BitFieldOperation` instance. + """ + overflow = overflow.upper() + if overflow != self._last_overflow: + self._last_overflow = overflow + self.operations.append(("OVERFLOW", overflow)) + return self + + def incrby( + self, fmt: str, offset: BitfieldOffsetT, increment: int, overflow: str = None + ): + """ + Increment a bitfield by a given amount. + :param fmt: format-string for the bitfield being updated, e.g. 'u8' + for an unsigned 8-bit integer. + :param offset: offset (in number of bits). If prefixed with a + '#', this is an offset multiplier, e.g. given the arguments + fmt='u8', offset='#2', the offset will be 16. + :param int increment: value to increment the bitfield by. + :param str overflow: overflow algorithm. Defaults to WRAP, but other + acceptable values are SAT and FAIL. See the Redis docs for + descriptions of these algorithms. + :returns: a :py:class:`BitFieldOperation` instance. + """ + if overflow is not None: + self.overflow(overflow) + + self.operations.append(("INCRBY", fmt, offset, increment)) + return self + + def get(self, fmt: str, offset: BitfieldOffsetT): + """ + Get the value of a given bitfield. + :param fmt: format-string for the bitfield being read, e.g. 'u8' for + an unsigned 8-bit integer. + :param offset: offset (in number of bits). If prefixed with a + '#', this is an offset multiplier, e.g. given the arguments + fmt='u8', offset='#2', the offset will be 16. + :returns: a :py:class:`BitFieldOperation` instance. + """ + self.operations.append(("GET", fmt, offset)) + return self + + def set(self, fmt: str, offset: BitfieldOffsetT, value: int): + """ + Set the value of a given bitfield. + :param fmt: format-string for the bitfield being read, e.g. 'u8' for + an unsigned 8-bit integer. + :param offset: offset (in number of bits). If prefixed with a + '#', this is an offset multiplier, e.g. given the arguments + fmt='u8', offset='#2', the offset will be 16. + :param int value: value to set at the given position. + :returns: a :py:class:`BitFieldOperation` instance. + """ + self.operations.append(("SET", fmt, offset, value)) + return self + + @property + def command(self): + cmd = ["BITFIELD", self.key] + for ops in self.operations: + cmd.extend(ops) + return cmd + + def execute(self): + """ + Execute the operation(s) in a single BITFIELD command. The return value + is a list of values corresponding to each operation. If the client + used to create this instance was a pipeline, the list of values + will be present within the pipeline's execute. + """ + command = self.command + self.reset() + return self.client.execute_command(*command) diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/compat.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/compat.py new file mode 100644 index 0000000..881fda8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/compat.py @@ -0,0 +1,5 @@ +# flake8: noqa +try: + from typing import Protocol, TypedDict # lgtm [py/unused-import] +except ImportError: + from typing_extensions import Protocol, TypedDict # lgtm [py/unused-import] diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/connection.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/connection.py new file mode 100644 index 0000000..0fdf459 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/connection.py @@ -0,0 +1,1611 @@ +import asyncio +import errno +import inspect +import io +import os +import socket +import ssl +import threading +import warnings +from distutils.version import StrictVersion +from itertools import chain +from typing import ( + Any, + Iterable, + List, + Mapping, + Optional, + Set, + Tuple, + Type, + TypeVar, + Union, +) +from urllib.parse import ParseResult, parse_qs, unquote, urlparse + +import async_timeout + +from .compat import Protocol, TypedDict +from .exceptions import ( + AuthenticationError, + AuthenticationWrongNumberOfArgsError, + BusyLoadingError, + ChildDeadlockedError, + ConnectionError, + DataError, + ExecAbortError, + InvalidResponse, + ModuleError, + NoPermissionError, + NoScriptError, + ReadOnlyError, + RedisError, + ResponseError, + TimeoutError, +) +from .utils import str_if_bytes + +NONBLOCKING_EXCEPTION_ERROR_NUMBERS = { + BlockingIOError: errno.EWOULDBLOCK, + ssl.SSLWantReadError: 2, + ssl.SSLWantWriteError: 2, + ssl.SSLError: 2, +} + +NONBLOCKING_EXCEPTIONS = tuple(NONBLOCKING_EXCEPTION_ERROR_NUMBERS.keys()) + +try: + import hiredis + +except (ImportError, ModuleNotFoundError): + HIREDIS_AVAILABLE = False +else: + HIREDIS_AVAILABLE = True + hiredis_version = StrictVersion(hiredis.__version__) + if hiredis_version < StrictVersion("1.0.0"): + warnings.warn( + "aioredis supports hiredis @ 1.0.0 or higher. " + f"You have hiredis @ {hiredis.__version__}. " + "Pure-python parser will be used instead." + ) + HIREDIS_AVAILABLE = False + +SYM_STAR = b"*" +SYM_DOLLAR = b"$" +SYM_CRLF = b"\r\n" +SYM_LF = b"\n" +SYM_EMPTY = b"" + +SERVER_CLOSED_CONNECTION_ERROR = "Connection closed by server." + +SENTINEL = object() +MODULE_LOAD_ERROR = "Error loading the extension. Please check the server logs." +NO_SUCH_MODULE_ERROR = "Error unloading module: no such module with that name" +MODULE_UNLOAD_NOT_POSSIBLE_ERROR = "Error unloading module: operation not possible." +MODULE_EXPORTS_DATA_TYPES_ERROR = ( + "Error unloading module: the module " + "exports one or more module-side data " + "types, can't unload" +) + +EncodedT = Union[bytes, memoryview] +DecodedT = Union[str, int, float] +EncodableT = Union[EncodedT, DecodedT] + + +class Encoder: + """Encode strings to bytes-like and decode bytes-like to strings""" + + __slots__ = "encoding", "encoding_errors", "decode_responses" + + def __init__(self, encoding: str, encoding_errors: str, decode_responses: bool): + self.encoding = encoding + self.encoding_errors = encoding_errors + self.decode_responses = decode_responses + + def encode(self, value: EncodableT) -> EncodedT: + """Return a bytestring or bytes-like representation of the value""" + if isinstance(value, (bytes, memoryview)): + return value + if isinstance(value, bool): + # special case bool since it is a subclass of int + raise DataError( + "Invalid input of type: 'bool'. " + "Convert to a bytes, string, int or float first." + ) + if isinstance(value, (int, float)): + return repr(value).encode() + if not isinstance(value, str): + # a value we don't know how to deal with. throw an error + typename = value.__class__.__name__ + raise DataError( + f"Invalid input of type: {typename!r}. " + "Convert to a bytes, string, int or float first." + ) + if isinstance(value, str): + return value.encode(self.encoding, self.encoding_errors) + return value + + def decode(self, value: EncodableT, force=False) -> EncodableT: + """Return a unicode string from the bytes-like representation""" + if self.decode_responses or force: + if isinstance(value, memoryview): + return value.tobytes().decode(self.encoding, self.encoding_errors) + if isinstance(value, bytes): + return value.decode(self.encoding, self.encoding_errors) + return value + + +ExceptionMappingT = Mapping[str, Union[Type[Exception], Mapping[str, Type[Exception]]]] + + +class BaseParser: + """Plain Python parsing class""" + + __slots__ = "_stream", "_buffer", "_read_size" + + EXCEPTION_CLASSES: ExceptionMappingT = { + "ERR": { + "max number of clients reached": ConnectionError, + "Client sent AUTH, but no password is set": AuthenticationError, + "invalid password": AuthenticationError, + # some Redis server versions report invalid command syntax + # in lowercase + "wrong number of arguments for 'auth' command": AuthenticationWrongNumberOfArgsError, + # some Redis server versions report invalid command syntax + # in uppercase + "wrong number of arguments for 'AUTH' command": AuthenticationWrongNumberOfArgsError, + MODULE_LOAD_ERROR: ModuleError, + MODULE_EXPORTS_DATA_TYPES_ERROR: ModuleError, + NO_SUCH_MODULE_ERROR: ModuleError, + MODULE_UNLOAD_NOT_POSSIBLE_ERROR: ModuleError, + }, + "EXECABORT": ExecAbortError, + "LOADING": BusyLoadingError, + "NOSCRIPT": NoScriptError, + "READONLY": ReadOnlyError, + "NOAUTH": AuthenticationError, + "NOPERM": NoPermissionError, + } + + def __init__(self, socket_read_size: int): + self._stream: Optional[asyncio.StreamReader] = None + self._buffer: Optional[SocketBuffer] = None + self._read_size = socket_read_size + + def __del__(self): + try: + self.on_disconnect() + except Exception: + pass + + def parse_error(self, response: str) -> ResponseError: + """Parse an error response""" + error_code = response.split(" ")[0] + if error_code in self.EXCEPTION_CLASSES: + response = response[len(error_code) + 1 :] + exception_class = self.EXCEPTION_CLASSES[error_code] + if isinstance(exception_class, dict): + exception_class = exception_class.get(response, ResponseError) + return exception_class(response) + return ResponseError(response) + + def on_disconnect(self): + raise NotImplementedError() + + def on_connect(self, connection: "Connection"): + raise NotImplementedError() + + async def can_read(self, timeout: float) -> bool: + raise NotImplementedError() + + async def read_response(self) -> Union[EncodableT, ResponseError, None]: + raise NotImplementedError() + + +class SocketBuffer: + """Async-friendly re-impl of redis-py's SocketBuffer. + + TODO: We're currently passing through two buffers, + the asyncio.StreamReader and this. I imagine we can reduce the layers here + while maintaining compliance with prior art. + """ + + def __init__( + self, + stream_reader: asyncio.StreamReader, + socket_read_size: int, + socket_timeout: float, + ): + self._stream = stream_reader + self.socket_read_size = socket_read_size + self.socket_timeout = socket_timeout + self._buffer = io.BytesIO() + # number of bytes written to the buffer from the socket + self.bytes_written = 0 + # number of bytes read from the buffer + self.bytes_read = 0 + + @property + def length(self): + return self.bytes_written - self.bytes_read + + async def _read_from_socket( + self, + length: int = None, + timeout: Optional[float] = SENTINEL, # type: ignore + raise_on_timeout: bool = True, + ) -> bool: + buf = self._buffer + buf.seek(self.bytes_written) + marker = 0 + timeout = timeout if timeout is not SENTINEL else self.socket_timeout + + try: + while True: + async with async_timeout.timeout(timeout): + data = await self._stream.read(self.socket_read_size) + # an empty string indicates the server shutdown the socket + if isinstance(data, bytes) and len(data) == 0: + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) + buf.write(data) + data_length = len(data) + self.bytes_written += data_length + marker += data_length + + if length is not None and length > marker: + continue + return True + except (socket.timeout, asyncio.TimeoutError): + if raise_on_timeout: + raise TimeoutError("Timeout reading from socket") + return False + except NONBLOCKING_EXCEPTIONS as ex: + # if we're in nonblocking mode and the recv raises a + # blocking error, simply return False indicating that + # there's no data to be read. otherwise raise the + # original exception. + allowed = NONBLOCKING_EXCEPTION_ERROR_NUMBERS.get(ex.__class__, -1) + if not raise_on_timeout and ex.errno == allowed: + return False + raise ConnectionError(f"Error while reading from socket: {ex.args}") + + async def can_read(self, timeout: float) -> bool: + return bool(self.length) or await self._read_from_socket( + timeout=timeout, raise_on_timeout=False + ) + + async def read(self, length: int) -> bytes: + length = length + 2 # make sure to read the \r\n terminator + # make sure we've read enough data from the socket + if length > self.length: + await self._read_from_socket(length - self.length) + + self._buffer.seek(self.bytes_read) + data = self._buffer.read(length) + self.bytes_read += len(data) + + # purge the buffer when we've consumed it all so it doesn't + # grow forever + if self.bytes_read == self.bytes_written: + self.purge() + + return data[:-2] + + async def readline(self) -> bytes: + buf = self._buffer + buf.seek(self.bytes_read) + data = buf.readline() + while not data.endswith(SYM_CRLF): + # there's more data in the socket that we need + await self._read_from_socket() + buf.seek(self.bytes_read) + data = buf.readline() + + self.bytes_read += len(data) + + # purge the buffer when we've consumed it all so it doesn't + # grow forever + if self.bytes_read == self.bytes_written: + self.purge() + + return data[:-2] + + def purge(self): + self._buffer.seek(0) + self._buffer.truncate() + self.bytes_written = 0 + self.bytes_read = 0 + + def close(self): + try: + self.purge() + self._buffer.close() + except Exception: + # issue #633 suggests the purge/close somehow raised a + # BadFileDescriptor error. Perhaps the client ran out of + # memory or something else? It's probably OK to ignore + # any error being raised from purge/close since we're + # removing the reference to the instance below. + pass + self._buffer = None + self._stream = None + + +class PythonParser(BaseParser): + """Plain Python parsing class""" + + __slots__ = BaseParser.__slots__ + ("encoder",) + + def __init__(self, socket_read_size: int): + super().__init__(socket_read_size) + self.encoder: Optional[Encoder] = None + + def on_connect(self, connection: "Connection"): + """Called when the stream connects""" + self._stream = connection._reader + self._buffer = SocketBuffer( + self._stream, self._read_size, connection.socket_timeout + ) + self.encoder = connection.encoder + + def on_disconnect(self): + """Called when the stream disconnects""" + if self._stream is not None: + self._stream = None + if self._buffer is not None: + self._buffer.close() + self._buffer = None + self.encoder = None + + async def can_read(self, timeout: float): + return self._buffer and bool(await self._buffer.can_read(timeout)) + + async def read_response(self) -> Union[EncodableT, ResponseError, None]: + if not self._buffer: + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) + raw = await self._buffer.readline() + if not raw: + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) + response: Any + byte, response = raw[:1], raw[1:] + + if byte not in (b"-", b"+", b":", b"$", b"*"): + raise InvalidResponse(f"Protocol Error: {raw!r}") + + # server returned an error + if byte == b"-": + response = response.decode("utf-8", errors="replace") + error = self.parse_error(response) + # if the error is a ConnectionError, raise immediately so the user + # is notified + if isinstance(error, ConnectionError): + raise error + # otherwise, we're dealing with a ResponseError that might belong + # inside a pipeline response. the connection's read_response() + # and/or the pipeline's execute() will raise this error if + # necessary, so just return the exception instance here. + return error + # single value + elif byte == b"+": + pass + # int value + elif byte == b":": + response = int(response) + # bulk response + elif byte == b"$": + length = int(response) + if length == -1: + return None + response = await self._buffer.read(length) + # multi-bulk response + elif byte == b"*": + length = int(response) + if length == -1: + return None + response = [(await self.read_response()) for _ in range(length)] + if isinstance(response, bytes): + response = self.encoder.decode(response) + return response + + +class HiredisParser(BaseParser): + """Parser class for connections using Hiredis""" + + __slots__ = BaseParser.__slots__ + ("_next_response", "_reader", "_socket_timeout") + + def __init__(self, socket_read_size: int): + if not HIREDIS_AVAILABLE: + raise RedisError("Hiredis is not available.") + super().__init__(socket_read_size=socket_read_size) + self._next_response = ... + self._reader: Optional[hiredis.Reader] = None + self._socket_timeout: Optional[float] = None + + def on_connect(self, connection: "Connection"): + self._stream = connection._reader + kwargs = { + "protocolError": InvalidResponse, + "replyError": self.parse_error, + } + if connection.encoder.decode_responses: + kwargs.update( + encoding=connection.encoder.encoding, + errors=connection.encoder.encoding_errors, + ) + + self._reader = hiredis.Reader(**kwargs) + self._next_response = False + self._socket_timeout = connection.socket_timeout + + def on_disconnect(self): + self._stream = None + self._reader = None + self._next_response = False + + async def can_read(self, timeout: float): + if not self._reader: + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) + + if self._next_response is False: + self._next_response = self._reader.gets() + if self._next_response is False: + return await self.read_from_socket(timeout=timeout, raise_on_timeout=False) + return True + + async def read_from_socket( + self, timeout: Optional[float] = SENTINEL, raise_on_timeout: bool = True + ): + timeout = self._socket_timeout if timeout is SENTINEL else timeout + try: + async with async_timeout.timeout(timeout): + buffer = await self._stream.read(self._read_size) + if not isinstance(buffer, bytes) or len(buffer) == 0: + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) from None + self._reader.feed(buffer) + # data was read from the socket and added to the buffer. + # return True to indicate that data was read. + return True + except asyncio.CancelledError: + raise + except (socket.timeout, asyncio.TimeoutError): + if raise_on_timeout: + raise TimeoutError("Timeout reading from socket") from None + return False + except NONBLOCKING_EXCEPTIONS as ex: + # if we're in nonblocking mode and the recv raises a + # blocking error, simply return False indicating that + # there's no data to be read. otherwise raise the + # original exception. + allowed = NONBLOCKING_EXCEPTION_ERROR_NUMBERS.get(ex.__class__, -1) + if not raise_on_timeout and ex.errno == allowed: + return False + raise ConnectionError(f"Error while reading from socket: {ex.args}") + + async def read_response(self) -> EncodableT: + if not self._stream or not self._reader: + self.on_disconnect() + raise ConnectionError(SERVER_CLOSED_CONNECTION_ERROR) from None + + # _next_response might be cached from a can_read() call + if self._next_response is not False: + response = self._next_response + self._next_response = False + return response + + response = self._reader.gets() + while response is False: + await self.read_from_socket() + response = self._reader.gets() + + # if the response is a ConnectionError or the response is a list and + # the first item is a ConnectionError, raise it as something bad + # happened + if isinstance(response, ConnectionError): + raise response + elif ( + isinstance(response, list) + and response + and isinstance(response[0], ConnectionError) + ): + raise response[0] + return response + + +DefaultParser: Type[Union[PythonParser, HiredisParser]] +if HIREDIS_AVAILABLE: + DefaultParser = HiredisParser +else: + DefaultParser = PythonParser + + +class ConnectCallbackProtocol(Protocol): + def __call__(self, connection: "Connection"): + ... + + +class AsyncConnectCallbackProtocol(Protocol): + async def __call__(self, connection: "Connection"): + ... + + +ConnectCallbackT = Union[ConnectCallbackProtocol, AsyncConnectCallbackProtocol] + + +class Connection: + """Manages TCP communication to and from a Redis server""" + + __slots__ = ( + "pid", + "host", + "port", + "db", + "username", + "client_name", + "password", + "socket_timeout", + "socket_connect_timeout", + "socket_keepalive", + "socket_keepalive_options", + "socket_type", + "retry_on_timeout", + "health_check_interval", + "next_health_check", + "last_active_at", + "encoder", + "ssl_context", + "_reader", + "_writer", + "_parser", + "_connect_callbacks", + "_buffer_cutoff", + "__dict__", + ) + + def __init__( + self, + *, + host: str = "localhost", + port: Union[str, int] = 6379, + db: Union[str, int] = 0, + password: str = None, + socket_timeout: float = None, + socket_connect_timeout: float = None, + socket_keepalive: bool = False, + socket_keepalive_options: dict = None, + socket_type: int = 0, + retry_on_timeout: bool = False, + encoding: str = "utf-8", + encoding_errors: str = "strict", + decode_responses: bool = False, + parser_class: Type[BaseParser] = DefaultParser, + socket_read_size: int = 65536, + health_check_interval: int = 0, + client_name: str = None, + username: str = None, + encoder_class: Type[Encoder] = Encoder, + ): + self.pid = os.getpid() + self.host = host + self.port = int(port) + self.db = db + self.username = username + self.client_name = client_name + self.password = password + self.socket_timeout = socket_timeout + self.socket_connect_timeout = socket_connect_timeout or socket_timeout or None + self.socket_keepalive = socket_keepalive + self.socket_keepalive_options = socket_keepalive_options or {} + self.socket_type = socket_type + self.retry_on_timeout = retry_on_timeout + self.health_check_interval = health_check_interval + self.next_health_check = -1 + self.ssl_context: Optional[RedisSSLContext] = None + self.encoder = encoder_class(encoding, encoding_errors, decode_responses) + self._reader: Optional[asyncio.StreamReader] = None + self._writer: Optional[asyncio.StreamWriter] = None + self._parser = parser_class( + socket_read_size=socket_read_size, + ) + self._connect_callbacks: List[ConnectCallbackT] = [] + self._buffer_cutoff = 6000 + + def __repr__(self): + repr_args = ",".join((f"{k}={v}" for k, v in self.repr_pieces())) + return f"{self.__class__.__name__}<{repr_args}>" + + def repr_pieces(self): + pieces = [("host", self.host), ("port", self.port), ("db", self.db)] + if self.client_name: + pieces.append(("client_name", self.client_name)) + return pieces + + def __del__(self): + try: + if self.is_connected: + loop = asyncio.get_event_loop() + coro = self.disconnect() + if loop.is_running(): + loop.create_task(coro) + else: + loop.run_until_complete(coro) + except Exception: + pass + + @property + def is_connected(self): + return bool(self._reader and self._writer) + + def register_connect_callback(self, callback): + self._connect_callbacks.append(callback) + + def clear_connect_callbacks(self): + self._connect_callbacks = [] + + async def connect(self): + """Connects to the Redis server if not already connected""" + if self.is_connected: + return + try: + await self._connect() + except asyncio.CancelledError: + raise + except (socket.timeout, asyncio.TimeoutError): + raise TimeoutError("Timeout connecting to server") + except OSError as e: + raise ConnectionError(self._error_message(e)) + except Exception as exc: + raise ConnectionError(exc) from exc + + try: + await self.on_connect() + except RedisError: + # clean up after any error in on_connect + await self.disconnect() + raise + + # run any user callbacks. right now the only internal callback + # is for pubsub channel/pattern resubscription + for callback in self._connect_callbacks: + task = callback(self) + if task and inspect.isawaitable(task): + await task + + async def _connect(self): + """Create a TCP socket connection""" + async with async_timeout.timeout(self.socket_connect_timeout): + reader, writer = await asyncio.open_connection( + host=self.host, + port=self.port, + ssl=self.ssl_context.get() if self.ssl_context else None, + ) + self._reader = reader + self._writer = writer + sock = writer.transport.get_extra_info("socket") + if sock is not None: + sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + try: + # TCP_KEEPALIVE + if self.socket_keepalive: + sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1) + for k, v in self.socket_keepalive_options.items(): + sock.setsockopt(socket.SOL_TCP, k, v) + + except (OSError, TypeError): + # `socket_keepalive_options` might contain invalid options + # causing an error. Do not leave the connection open. + writer.close() + raise + + def _error_message(self, exception): + # args for socket.error can either be (errno, "message") + # or just "message" + if len(exception.args) == 1: + return f"Error connecting to {self.host}:{self.port}. {exception.args[0]}." + else: + return ( + f"Error {exception.args[0]} connecting to {self.host}:{self.port}. " + f"{exception.args[0]}." + ) + + async def on_connect(self): + """Initialize the connection, authenticate and select a database""" + self._parser.on_connect(self) + + # if username and/or password are set, authenticate + if self.username or self.password: + if self.username: + auth_args = (self.username, self.password or "") + else: + auth_args = (self.password,) + # avoid checking health here -- PING will fail if we try + # to check the health prior to the AUTH + await self.send_command("AUTH", *auth_args, check_health=False) + + try: + auth_response = await self.read_response() + except AuthenticationWrongNumberOfArgsError: + # a username and password were specified but the Redis + # server seems to be < 6.0.0 which expects a single password + # arg. retry auth with just the password. + # https://github.com/andymccurdy/redis-py/issues/1274 + await self.send_command("AUTH", self.password, check_health=False) + auth_response = await self.read_response() + + if str_if_bytes(auth_response) != "OK": + raise AuthenticationError("Invalid Username or Password") + + # if a client_name is given, set it + if self.client_name: + await self.send_command("CLIENT", "SETNAME", self.client_name) + if str_if_bytes(await self.read_response()) != "OK": + raise ConnectionError("Error setting client name") + + # if a database is specified, switch to it + if self.db: + await self.send_command("SELECT", self.db) + if str_if_bytes(await self.read_response()) != "OK": + raise ConnectionError("Invalid Database") + + async def disconnect(self): + """Disconnects from the Redis server""" + try: + async with async_timeout.timeout(self.socket_connect_timeout): + self._parser.on_disconnect() + if not self.is_connected: + return + try: + if os.getpid() == self.pid: + self._writer.close() + # py3.6 doesn't have this method + if hasattr(self._writer, "wait_closed"): + await self._writer.wait_closed() + except OSError: + pass + self._reader = None + self._writer = None + except asyncio.TimeoutError: + raise TimeoutError( + f"Timed out closing connection after {self.socket_connect_timeout}" + ) from None + + async def check_health(self): + """Check the health of the connection with a PING/PONG""" + if ( + self.health_check_interval + and asyncio.get_event_loop().time() > self.next_health_check + ): + try: + await self.send_command("PING", check_health=False) + if str_if_bytes(await self.read_response()) != "PONG": + raise ConnectionError("Bad response from PING health check") + except (ConnectionError, TimeoutError) as err: + await self.disconnect() + try: + await self.send_command("PING", check_health=False) + if str_if_bytes(await self.read_response()) != "PONG": + raise ConnectionError( + "Bad response from PING health check" + ) from None + except BaseException as err2: + raise err2 from err + + async def _send_packed_command( + self, command: Union[bytes, str, Iterable[Union[bytes, str]]] + ): + self._writer.writelines(command) + await self._writer.drain() + + async def send_packed_command( + self, + command: Union[bytes, str, Iterable[Union[bytes, str]]], + check_health: bool = True, + ): + """Send an already packed command to the Redis server""" + if not self._writer: + await self.connect() + # guard against health check recursion + if check_health: + await self.check_health() + try: + if isinstance(command, str): + command = command.encode() + if isinstance(command, bytes): + command = [command] + await asyncio.wait_for( + self._send_packed_command(command), + self.socket_timeout, + ) + except asyncio.TimeoutError: + await self.disconnect() + raise TimeoutError("Timeout writing to socket") from None + except OSError as e: + await self.disconnect() + if len(e.args) == 1: + err_no, errmsg = "UNKNOWN", e.args[0] + else: + err_no = e.args[0] + errmsg = e.args[1] + raise ConnectionError( + f"Error {err_no} while writing to socket. {errmsg}." + ) from e + except BaseException: + await self.disconnect() + raise + + async def send_command(self, *args, **kwargs): + """Pack and send a command to the Redis server""" + if not self.is_connected: + await self.connect() + await self.send_packed_command( + self.pack_command(*args), check_health=kwargs.get("check_health", True) + ) + + async def can_read(self, timeout: float = 0): + """Poll the socket to see if there's data that can be read.""" + if not self.is_connected: + await self.connect() + return await self._parser.can_read(timeout) + + async def read_response(self): + """Read the response from a previously sent command""" + try: + async with async_timeout.timeout(self.socket_timeout): + response = await self._parser.read_response() + except asyncio.TimeoutError: + await self.disconnect() + raise TimeoutError(f"Timeout reading from {self.host}:{self.port}") + except BaseException: + await self.disconnect() + raise + + if self.health_check_interval: + self.next_health_check = ( + asyncio.get_event_loop().time() + self.health_check_interval + ) + + if isinstance(response, ResponseError): + raise response from None + return response + + def pack_command(self, *args: EncodableT) -> List[bytes]: + """Pack a series of arguments into the Redis protocol""" + output = [] + # the client might have included 1 or more literal arguments in + # the command name, e.g., 'CONFIG GET'. The Redis server expects these + # arguments to be sent separately, so split the first argument + # manually. These arguments should be bytestrings so that they are + # not encoded. + if isinstance(args[0], str): + args = tuple(args[0].encode().split()) + args[1:] + elif b" " in args[0]: + args = tuple(args[0].split()) + args[1:] + + buff = SYM_EMPTY.join((SYM_STAR, str(len(args)).encode(), SYM_CRLF)) + + buffer_cutoff = self._buffer_cutoff + for arg in map(self.encoder.encode, args): + # to avoid large string mallocs, chunk the command into the + # output list if we're sending large values or memoryviews + arg_length = len(arg) + if ( + len(buff) > buffer_cutoff + or arg_length > buffer_cutoff + or isinstance(arg, memoryview) + ): + buff = SYM_EMPTY.join( + (buff, SYM_DOLLAR, str(arg_length).encode(), SYM_CRLF) + ) + output.append(buff) + output.append(arg) + buff = SYM_CRLF + else: + buff = SYM_EMPTY.join( + ( + buff, + SYM_DOLLAR, + str(arg_length).encode(), + SYM_CRLF, + arg, + SYM_CRLF, + ) + ) + output.append(buff) + return output + + def pack_commands(self, commands: Iterable[Iterable[EncodableT]]) -> List[bytes]: + """Pack multiple commands into the Redis protocol""" + output: List[bytes] = [] + pieces: List[bytes] = [] + buffer_length = 0 + buffer_cutoff = self._buffer_cutoff + + for cmd in commands: + for chunk in self.pack_command(*cmd): + chunklen = len(chunk) + if ( + buffer_length > buffer_cutoff + or chunklen > buffer_cutoff + or isinstance(chunk, memoryview) + ): + output.append(SYM_EMPTY.join(pieces)) + buffer_length = 0 + pieces = [] + + if chunklen > buffer_cutoff or isinstance(chunk, memoryview): + output.append(chunk) + else: + pieces.append(chunk) + buffer_length += chunklen + + if pieces: + output.append(SYM_EMPTY.join(pieces)) + return output + + +class SSLConnection(Connection): + def __init__( + self, + ssl_keyfile: str = None, + ssl_certfile: str = None, + ssl_cert_reqs: str = "required", + ssl_ca_certs: str = None, + ssl_check_hostname: bool = False, + **kwargs, + ): + super().__init__(**kwargs) + self.ssl_context = RedisSSLContext( + keyfile=ssl_keyfile, + certfile=ssl_certfile, + cert_reqs=ssl_cert_reqs, + ca_certs=ssl_ca_certs, + check_hostname=ssl_check_hostname, + ) + + @property + def keyfile(self): + return self.ssl_context.keyfile + + @property + def certfile(self): + return self.ssl_context.certfile + + @property + def cert_reqs(self): + return self.ssl_context.cert_reqs + + @property + def ca_certs(self): + return self.ssl_context.ca_certs + + @property + def check_hostname(self): + return self.ssl_context.check_hostname + + +class RedisSSLContext: + __slots__ = ( + "keyfile", + "certfile", + "cert_reqs", + "ca_certs", + "context", + "check_hostname", + ) + + def __init__( + self, + keyfile: str = None, + certfile: str = None, + cert_reqs: str = None, + ca_certs: str = None, + check_hostname: bool = False, + ): + self.keyfile = keyfile + self.certfile = certfile + if cert_reqs is None: + self.cert_reqs = ssl.CERT_NONE + elif isinstance(cert_reqs, str): + CERT_REQS = { + "none": ssl.CERT_NONE, + "optional": ssl.CERT_OPTIONAL, + "required": ssl.CERT_REQUIRED, + } + if cert_reqs not in CERT_REQS: + raise RedisError( + f"Invalid SSL Certificate Requirements Flag: {cert_reqs}" + ) + self.cert_reqs = CERT_REQS[cert_reqs] + self.ca_certs = ca_certs + self.check_hostname = check_hostname + self.context = None + + def get(self) -> ssl.SSLContext: + if not self.context: + context = ssl.create_default_context() + context.check_hostname = self.check_hostname + context.verify_mode = self.cert_reqs + if self.certfile and self.keyfile: + context.load_cert_chain(certfile=self.certfile, keyfile=self.keyfile) + if self.ca_certs: + context.load_verify_locations(self.ca_certs) + self.context = context + return self.context + + +class UnixDomainSocketConnection(Connection): # lgtm [py/missing-call-to-init] + def __init__( + self, + *, + path: str = "", + db: Union[str, int] = 0, + username: str = None, + password: str = None, + socket_timeout: float = None, + socket_connect_timeout: float = None, + encoding: str = "utf-8", + encoding_errors: str = "strict", + decode_responses: bool = False, + retry_on_timeout: bool = False, + parser_class: Type[BaseParser] = DefaultParser, + socket_read_size: int = 65536, + health_check_interval: float = 0.0, + client_name=None, + ): + self.pid = os.getpid() + self.path = path + self.db = db + self.username = username + self.client_name = client_name + self.password = password + self.socket_timeout = socket_timeout + self.socket_connect_timeout = socket_connect_timeout or socket_timeout or None + self.retry_on_timeout = retry_on_timeout + self.health_check_interval = health_check_interval + self.next_health_check = -1 + self.encoder = Encoder(encoding, encoding_errors, decode_responses) + self._sock = None + self._reader = None + self._writer = None + self._parser = parser_class(socket_read_size=socket_read_size) + self._connect_callbacks = [] + self._buffer_cutoff = 6000 + + def repr_pieces(self) -> Iterable[Tuple[str, Union[str, int]]]: + pieces = [ + ("path", self.path), + ("db", self.db), + ] + if self.client_name: + pieces.append(("client_name", self.client_name)) + return pieces + + async def _connect(self): + async with async_timeout.timeout(self.socket_connect_timeout): + reader, writer = await asyncio.open_unix_connection(path=self.path) + self._reader = reader + self._writer = writer + await self.on_connect() + + def _error_message(self, exception): + # args for socket.error can either be (errno, "message") + # or just "message" + if len(exception.args) == 1: + return f"Error connecting to unix socket: {self.path}. {exception.args[0]}." + else: + return ( + f"Error {exception.args[0]} connecting to unix socket: " + f"{self.path}. {exception.args[1]}." + ) + + +FALSE_STRINGS = ("0", "F", "FALSE", "N", "NO") + + +def to_bool(value) -> bool: + if value is None or value == "": + return None + if isinstance(value, str) and value.upper() in FALSE_STRINGS: + return False + return bool(value) + + +URL_QUERY_ARGUMENT_PARSERS = { + "db": int, + "socket_timeout": float, + "socket_connect_timeout": float, + "socket_keepalive": to_bool, + "retry_on_timeout": to_bool, + "max_connections": int, + "health_check_interval": int, + "ssl_check_hostname": to_bool, +} + + +class ConnectKwargs(TypedDict, total=False): + username: str + password: str + connection_class: Type[Connection] + host: str + port: int + db: int + + +def parse_url(url: str) -> ConnectKwargs: + parsed: ParseResult = urlparse(url) + kwargs: ConnectKwargs = {} + + for name, value in parse_qs(parsed.query).items(): + if value and len(value) > 0: + value = unquote(value[0]) + parser = URL_QUERY_ARGUMENT_PARSERS.get(name) + if parser: + try: + kwargs[name] = parser(value) + except (TypeError, ValueError): + raise ValueError(f"Invalid value for `{name}` in connection URL.") + else: + kwargs[name] = value + + if parsed.username: + kwargs["username"] = unquote(parsed.username) + if parsed.password: + kwargs["password"] = unquote(parsed.password) + + # We only support redis://, rediss:// and unix:// schemes. + if parsed.scheme == "unix": + if parsed.path: + kwargs["path"] = unquote(parsed.path) + kwargs["connection_class"] = UnixDomainSocketConnection + + elif parsed.scheme in ("redis", "rediss"): + if parsed.hostname: + kwargs["host"] = unquote(parsed.hostname) + if parsed.port: + kwargs["port"] = int(parsed.port) + + # If there's a path argument, use it as the db argument if a + # querystring value wasn't specified + if parsed.path and "db" not in kwargs: + try: + kwargs["db"] = int(unquote(parsed.path).replace("/", "")) + except (AttributeError, ValueError): + pass + + if parsed.scheme == "rediss": + kwargs["connection_class"] = SSLConnection + else: + valid_schemes = "redis://, rediss://, unix://" + raise ValueError( + f"Redis URL must specify one of the following schemes ({valid_schemes})" + ) + + return kwargs + + +_CP = TypeVar("_CP") + + +class ConnectionPool: + """ + Create a connection pool. ``If max_connections`` is set, then this + object raises :py:class:`~redis.ConnectionError` when the pool's + limit is reached. + + By default, TCP connections are created unless ``connection_class`` + is specified. Use :py:class:`~redis.UnixDomainSocketConnection` for + unix sockets. + + Any additional keyword arguments are passed to the constructor of + ``connection_class``. + """ + + @classmethod + def from_url(cls: Type[_CP], url: str, **kwargs) -> _CP: + """ + Return a connection pool configured from the given URL. + + For example:: + + redis://[[username]:[password]]@localhost:6379/0 + rediss://[[username]:[password]]@localhost:6379/0 + unix://[[username]:[password]]@/path/to/socket.sock?db=0 + + Three URL schemes are supported: + + - `redis://` creates a TCP socket connection. See more at: + + - `rediss://` creates a SSL wrapped TCP socket connection. See more at: + + - ``unix://``: creates a Unix Domain Socket connection. + + The username, password, hostname, path and all querystring values + are passed through urllib.parse.unquote in order to replace any + percent-encoded values with their corresponding characters. + + There are several ways to specify a database number. The first value + found will be used: + 1. A ``db`` querystring option, e.g. redis://localhost?db=0 + 2. If using the redis:// or rediss:// schemes, the path argument + of the url, e.g. redis://localhost/0 + 3. A ``db`` keyword argument to this function. + + If none of these options are specified, the default db=0 is used. + + All querystring options are cast to their appropriate Python types. + Boolean arguments can be specified with string values "True"/"False" + or "Yes"/"No". Values that cannot be properly cast cause a + ``ValueError`` to be raised. Once parsed, the querystring arguments + and keyword arguments are passed to the ``ConnectionPool``'s + class initializer. In the case of conflicting arguments, querystring + arguments always win. + """ + url_options = parse_url(url) + kwargs.update(url_options) + return cls(**kwargs) + + def __init__( + self, + connection_class: Type[Connection] = Connection, + max_connections: int = None, + **connection_kwargs, + ): + max_connections = max_connections or 2 ** 31 + if not isinstance(max_connections, int) or max_connections < 0: + raise ValueError('"max_connections" must be a positive integer') + + self.connection_class = connection_class + self.connection_kwargs = connection_kwargs + self.max_connections = max_connections + + # a lock to protect the critical section in _checkpid(). + # this lock is acquired when the process id changes, such as + # after a fork. during this time, multiple threads in the child + # process could attempt to acquire this lock. the first thread + # to acquire the lock will reset the data structures and lock + # object of this pool. subsequent threads acquiring this lock + # will notice the first thread already did the work and simply + # release the lock. + self._fork_lock = threading.Lock() + self._lock = asyncio.Lock() + self._created_connections: int + self._available_connections: List[Connection] + self._in_use_connections: Set[Connection] + self.reset() # lgtm [py/init-calls-subclass] + self.encoder_class = self.connection_kwargs.get("encoder_class", Encoder) + + def __repr__(self): + return ( + f"{self.__class__.__name__}" + f"<{self.connection_class(**self.connection_kwargs)!r}>" + ) + + def reset(self): + self._lock = asyncio.Lock() + self._created_connections = 0 + self._available_connections = [] + self._in_use_connections = set() + + # this must be the last operation in this method. while reset() is + # called when holding _fork_lock, other threads in this process + # can call _checkpid() which compares self.pid and os.getpid() without + # holding any lock (for performance reasons). keeping this assignment + # as the last operation ensures that those other threads will also + # notice a pid difference and block waiting for the first thread to + # release _fork_lock. when each of these threads eventually acquire + # _fork_lock, they will notice that another thread already called + # reset() and they will immediately release _fork_lock and continue on. + self.pid = os.getpid() + + def _checkpid(self): + # _checkpid() attempts to keep ConnectionPool fork-safe on modern + # systems. this is called by all ConnectionPool methods that + # manipulate the pool's state such as get_connection() and release(). + # + # _checkpid() determines whether the process has forked by comparing + # the current process id to the process id saved on the ConnectionPool + # instance. if these values are the same, _checkpid() simply returns. + # + # when the process ids differ, _checkpid() assumes that the process + # has forked and that we're now running in the child process. the child + # process cannot use the parent's file descriptors (e.g., sockets). + # therefore, when _checkpid() sees the process id change, it calls + # reset() in order to reinitialize the child's ConnectionPool. this + # will cause the child to make all new connection objects. + # + # _checkpid() is protected by self._fork_lock to ensure that multiple + # threads in the child process do not call reset() multiple times. + # + # there is an extremely small chance this could fail in the following + # scenario: + # 1. process A calls _checkpid() for the first time and acquires + # self._fork_lock. + # 2. while holding self._fork_lock, process A forks (the fork() + # could happen in a different thread owned by process A) + # 3. process B (the forked child process) inherits the + # ConnectionPool's state from the parent. that state includes + # a locked _fork_lock. process B will not be notified when + # process A releases the _fork_lock and will thus never be + # able to acquire the _fork_lock. + # + # to mitigate this possible deadlock, _checkpid() will only wait 5 + # seconds to acquire _fork_lock. if _fork_lock cannot be acquired in + # that time it is assumed that the child is deadlocked and a + # redis.ChildDeadlockedError error is raised. + if self.pid != os.getpid(): + acquired = self._fork_lock.acquire(timeout=5) + if not acquired: + raise ChildDeadlockedError + # reset() the instance for the new process if another thread + # hasn't already done so + try: + if self.pid != os.getpid(): + self.reset() + finally: + self._fork_lock.release() + + async def get_connection(self, command_name, *keys, **options): + """Get a connection from the pool""" + self._checkpid() + async with self._lock: + try: + connection = self._available_connections.pop() + except IndexError: + connection = self.make_connection() + self._in_use_connections.add(connection) + + try: + # ensure this connection is connected to Redis + await connection.connect() + # connections that the pool provides should be ready to send + # a command. if not, the connection was either returned to the + # pool before all data has been read or the socket has been + # closed. either way, reconnect and verify everything is good. + try: + if await connection.can_read(): + raise ConnectionError("Connection has data") from None + except ConnectionError: + await connection.disconnect() + await connection.connect() + if await connection.can_read(): + raise ConnectionError("Connection not ready") from None + except BaseException: + # release the connection back to the pool so that we don't + # leak it + await self.release(connection) + raise + + return connection + + def get_encoder(self): + """Return an encoder based on encoding settings""" + kwargs = self.connection_kwargs + return self.encoder_class( + encoding=kwargs.get("encoding", "utf-8"), + encoding_errors=kwargs.get("encoding_errors", "strict"), + decode_responses=kwargs.get("decode_responses", False), + ) + + def make_connection(self): + """Create a new connection""" + if self._created_connections >= self.max_connections: + raise ConnectionError("Too many connections") + self._created_connections += 1 + return self.connection_class(**self.connection_kwargs) + + async def release(self, connection: Connection): + """Releases the connection back to the pool""" + self._checkpid() + async with self._lock: + try: + self._in_use_connections.remove(connection) + except KeyError: + # Gracefully fail when a connection is returned to this pool + # that the pool doesn't actually own + pass + + if self.owns_connection(connection): + self._available_connections.append(connection) + else: + # pool doesn't own this connection. do not add it back + # to the pool and decrement the count so that another + # connection can take its place if needed + self._created_connections -= 1 + await connection.disconnect() + return + + def owns_connection(self, connection: Connection): + return connection.pid == self.pid + + async def disconnect(self, inuse_connections: bool = True): + """ + Disconnects connections in the pool + + If ``inuse_connections`` is True, disconnect connections that are + current in use, potentially by other tasks. Otherwise only disconnect + connections that are idle in the pool. + """ + self._checkpid() + async with self._lock: + if inuse_connections: + connections = chain( + self._available_connections, self._in_use_connections + ) + else: + connections = self._available_connections + resp = await asyncio.gather( + *(connection.disconnect() for connection in connections), + return_exceptions=True, + ) + exc = next((r for r in resp if isinstance(r, BaseException)), None) + if exc: + raise exc + + +class BlockingConnectionPool(ConnectionPool): + """ + Thread-safe blocking connection pool:: + + >>> from aioredis.client import Redis + >>> client = Redis(connection_pool=BlockingConnectionPool()) + + It performs the same function as the default + :py:class:`~redis.ConnectionPool` implementation, in that, + it maintains a pool of reusable connections that can be shared by + multiple redis clients (safely across threads if required). + + The difference is that, in the event that a client tries to get a + connection from the pool when all of connections are in use, rather than + raising a :py:class:`~redis.ConnectionError` (as the default + :py:class:`~redis.ConnectionPool` implementation does), it + makes the client wait ("blocks") for a specified number of seconds until + a connection becomes available. + + Use ``max_connections`` to increase / decrease the pool size:: + + >>> pool = BlockingConnectionPool(max_connections=10) + + Use ``timeout`` to tell it either how many seconds to wait for a connection + to become available, or to block forever: + + >>> # Block forever. + >>> pool = BlockingConnectionPool(timeout=None) + + >>> # Raise a ``ConnectionError`` after five seconds if a connection is + >>> # not available. + >>> pool = BlockingConnectionPool(timeout=5) + """ + + def __init__( + self, + max_connections: int = 50, + timeout: Optional[int] = 20, + connection_class: Type[Connection] = Connection, + queue_class: Type[asyncio.Queue] = asyncio.LifoQueue, + **connection_kwargs, + ): + + self.queue_class = queue_class + self.timeout = timeout + self._connections: List[Connection] + super().__init__( + connection_class=connection_class, + max_connections=max_connections, + **connection_kwargs, + ) + + def reset(self): + # Create and fill up a thread safe queue with ``None`` values. + self.pool = self.queue_class(self.max_connections) + while True: + try: + self.pool.put_nowait(None) + except asyncio.QueueFull: + break + + # Keep a list of actual connection instances so that we can + # disconnect them later. + self._connections = [] + + # this must be the last operation in this method. while reset() is + # called when holding _fork_lock, other threads in this process + # can call _checkpid() which compares self.pid and os.getpid() without + # holding any lock (for performance reasons). keeping this assignment + # as the last operation ensures that those other threads will also + # notice a pid difference and block waiting for the first thread to + # release _fork_lock. when each of these threads eventually acquire + # _fork_lock, they will notice that another thread already called + # reset() and they will immediately release _fork_lock and continue on. + self.pid = os.getpid() + + def make_connection(self): + """Make a fresh connection.""" + connection = self.connection_class(**self.connection_kwargs) + self._connections.append(connection) + return connection + + async def get_connection(self, command_name, *keys, **options): + """ + Get a connection, blocking for ``self.timeout`` until a connection + is available from the pool. + + If the connection returned is ``None`` then creates a new connection. + Because we use a last-in first-out queue, the existing connections + (having been returned to the pool after the initial ``None`` values + were added) will be returned before ``None`` values. This means we only + create new connections when we need to, i.e.: the actual number of + connections will only increase in response to demand. + """ + # Make sure we haven't changed process. + self._checkpid() + + # Try and get a connection from the pool. If one isn't available within + # self.timeout then raise a ``ConnectionError``. + connection = None + try: + async with async_timeout.timeout(self.timeout): + connection = await self.pool.get() + except (asyncio.QueueEmpty, asyncio.TimeoutError): + # Note that this is not caught by the redis client and will be + # raised unless handled by application code. If you want never to + raise ConnectionError("No connection available.") + + # If the ``connection`` is actually ``None`` then that's a cue to make + # a new connection to add to the pool. + if connection is None: + connection = self.make_connection() + + try: + # ensure this connection is connected to Redis + await connection.connect() + # connections that the pool provides should be ready to send + # a command. if not, the connection was either returned to the + # pool before all data has been read or the socket has been + # closed. either way, reconnect and verify everything is good. + try: + if await connection.can_read(): + raise ConnectionError("Connection has data") from None + except ConnectionError: + await connection.disconnect() + await connection.connect() + if await connection.can_read(): + raise ConnectionError("Connection not ready") from None + except BaseException: + # release the connection back to the pool so that we don't leak it + await self.release(connection) + raise + + return connection + + async def release(self, connection: Connection): + """Releases the connection back to the pool.""" + # Make sure we haven't changed process. + self._checkpid() + if not self.owns_connection(connection): + # pool doesn't own this connection. do not add it back + # to the pool. instead add a None value which is a placeholder + # that will cause the pool to recreate the connection if + # its needed. + await connection.disconnect() + self.pool.put_nowait(None) + return + + # Put the connection back into the pool. + try: + self.pool.put_nowait(connection) + except asyncio.QueueFull: + # perhaps the pool has been reset() after a fork? regardless, + # we don't want this connection + pass + + async def disconnect(self, inuse_connections: bool = True): + """Disconnects all connections in the pool.""" + self._checkpid() + async with self._lock: + resp = await asyncio.gather( + *(connection.disconnect() for connection in self._connections), + return_exceptions=True, + ) + exc = next((r for r in resp if isinstance(r, BaseException)), None) + if exc: + raise exc diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/exceptions.py new file mode 100644 index 0000000..4aeba5e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/exceptions.py @@ -0,0 +1,92 @@ +"""Core exceptions raised by the Redis client""" +import asyncio +import builtins + + +class RedisError(Exception): + pass + + +class ConnectionError(builtins.ConnectionError, RedisError): + pass + + +class TimeoutError(asyncio.TimeoutError, builtins.TimeoutError, RedisError): + pass + + +class AuthenticationError(ConnectionError): + pass + + +class BusyLoadingError(ConnectionError): + pass + + +class InvalidResponse(RedisError): + pass + + +class ResponseError(RedisError): + pass + + +class DataError(RedisError): + pass + + +class PubSubError(RedisError): + pass + + +class WatchError(RedisError): + pass + + +class NoScriptError(ResponseError): + pass + + +class ExecAbortError(ResponseError): + pass + + +class ReadOnlyError(ResponseError): + pass + + +class NoPermissionError(ResponseError): + pass + + +class ModuleError(ResponseError): + pass + + +class LockError(RedisError, ValueError): + """Errors acquiring or releasing a lock""" + + # NOTE: For backwards compatibility, this class derives from ValueError. + # This was originally chosen to behave like threading.Lock. + pass + + +class LockNotOwnedError(LockError): + """Error trying to extend or release a lock that is (no longer) owned""" + + pass + + +class ChildDeadlockedError(Exception): + """Error indicating that a child process is deadlocked after a fork()""" + + pass + + +class AuthenticationWrongNumberOfArgsError(ResponseError): + """ + An error to indicate that the wrong number of args + were sent to the AUTH command + """ + + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/lock.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/lock.py new file mode 100644 index 0000000..45d66e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/lock.py @@ -0,0 +1,306 @@ +import asyncio +import threading +import uuid +from types import SimpleNamespace +from typing import TYPE_CHECKING, Awaitable, NoReturn, Union + +from aioredis.exceptions import LockError, LockNotOwnedError + +if TYPE_CHECKING: + from aioredis import Redis + + +class Lock: + """ + A shared, distributed Lock. Using Redis for locking allows the Lock + to be shared across processes and/or machines. + + It's left to the user to resolve deadlock issues and make sure + multiple clients play nicely together. + """ + + lua_release = None + lua_extend = None + lua_reacquire = None + + # KEYS[1] - lock name + # ARGV[1] - token + # return 1 if the lock was released, otherwise 0 + LUA_RELEASE_SCRIPT = """ + local token = redis.call('get', KEYS[1]) + if not token or token ~= ARGV[1] then + return 0 + end + redis.call('del', KEYS[1]) + return 1 + """ + + # KEYS[1] - lock name + # ARGV[1] - token + # ARGV[2] - additional milliseconds + # ARGV[3] - "0" if the additional time should be added to the lock's + # existing ttl or "1" if the existing ttl should be replaced + # return 1 if the locks time was extended, otherwise 0 + LUA_EXTEND_SCRIPT = """ + local token = redis.call('get', KEYS[1]) + if not token or token ~= ARGV[1] then + return 0 + end + local expiration = redis.call('pttl', KEYS[1]) + if not expiration then + expiration = 0 + end + if expiration < 0 then + return 0 + end + + local newttl = ARGV[2] + if ARGV[3] == "0" then + newttl = ARGV[2] + expiration + end + redis.call('pexpire', KEYS[1], newttl) + return 1 + """ + + # KEYS[1] - lock name + # ARGV[1] - token + # ARGV[2] - milliseconds + # return 1 if the locks time was reacquired, otherwise 0 + LUA_REACQUIRE_SCRIPT = """ + local token = redis.call('get', KEYS[1]) + if not token or token ~= ARGV[1] then + return 0 + end + redis.call('pexpire', KEYS[1], ARGV[2]) + return 1 + """ + + def __init__( + self, + redis: "Redis", + name: Union[str, bytes, memoryview], + timeout: float = None, + sleep: float = 0.1, + blocking: bool = True, + blocking_timeout: float = None, + thread_local: bool = True, + ): + """ + Create a new Lock instance named ``name`` using the Redis client + supplied by ``redis``. + + ``timeout`` indicates a maximum life for the lock. + By default, it will remain locked until release() is called. + ``timeout`` can be specified as a float or integer, both representing + the number of seconds to wait. + + ``sleep`` indicates the amount of time to sleep per loop iteration + when the lock is in blocking mode and another client is currently + holding the lock. + + ``blocking`` indicates whether calling ``acquire`` should block until + the lock has been acquired or to fail immediately, causing ``acquire`` + to return False and the lock not being acquired. Defaults to True. + Note this value can be overridden by passing a ``blocking`` + argument to ``acquire``. + + ``blocking_timeout`` indicates the maximum amount of time in seconds to + spend trying to acquire the lock. A value of ``None`` indicates + continue trying forever. ``blocking_timeout`` can be specified as a + float or integer, both representing the number of seconds to wait. + + ``thread_local`` indicates whether the lock token is placed in + thread-local storage. By default, the token is placed in thread local + storage so that a thread only sees its token, not a token set by + another thread. Consider the following timeline: + + time: 0, thread-1 acquires `my-lock`, with a timeout of 5 seconds. + thread-1 sets the token to "abc" + time: 1, thread-2 blocks trying to acquire `my-lock` using the + Lock instance. + time: 5, thread-1 has not yet completed. redis expires the lock + key. + time: 5, thread-2 acquired `my-lock` now that it's available. + thread-2 sets the token to "xyz" + time: 6, thread-1 finishes its work and calls release(). if the + token is *not* stored in thread local storage, then + thread-1 would see the token value as "xyz" and would be + able to successfully release the thread-2's lock. + + In some use cases it's necessary to disable thread local storage. For + example, if you have code where one thread acquires a lock and passes + that lock instance to a worker thread to release later. If thread + local storage isn't disabled in this case, the worker thread won't see + the token set by the thread that acquired the lock. Our assumption + is that these cases aren't common and as such default to using + thread local storage. + """ + self.redis = redis + self.name = name + self.timeout = timeout + self.sleep = sleep + self.blocking = blocking + self.blocking_timeout = blocking_timeout + self.thread_local = bool(thread_local) + self.local = threading.local() if self.thread_local else SimpleNamespace() + self.local.token = None + self.register_scripts() + + def register_scripts(self): + cls = self.__class__ + client = self.redis + if cls.lua_release is None: + cls.lua_release = client.register_script(cls.LUA_RELEASE_SCRIPT) + if cls.lua_extend is None: + cls.lua_extend = client.register_script(cls.LUA_EXTEND_SCRIPT) + if cls.lua_reacquire is None: + cls.lua_reacquire = client.register_script(cls.LUA_REACQUIRE_SCRIPT) + + async def __aenter__(self): + if await self.acquire(): + return self + raise LockError("Unable to acquire lock within the time specified") + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.release() + + async def acquire( + self, + blocking: bool = None, + blocking_timeout: float = None, + token: Union[str, bytes] = None, + ): + """ + Use Redis to hold a shared, distributed lock named ``name``. + Returns True once the lock is acquired. + + If ``blocking`` is False, always return immediately. If the lock + was acquired, return True, otherwise return False. + + ``blocking_timeout`` specifies the maximum number of seconds to + wait trying to acquire the lock. + + ``token`` specifies the token value to be used. If provided, token + must be a bytes object or a string that can be encoded to a bytes + object with the default encoding. If a token isn't specified, a UUID + will be generated. + """ + loop = asyncio.get_event_loop() + sleep = self.sleep + if token is None: + token = uuid.uuid1().hex.encode() + else: + encoder = self.redis.connection_pool.get_encoder() + token = encoder.encode(token) + if blocking is None: + blocking = self.blocking + if blocking_timeout is None: + blocking_timeout = self.blocking_timeout + stop_trying_at = None + if blocking_timeout is not None: + stop_trying_at = loop.time() + blocking_timeout + while True: + if await self.do_acquire(token): + self.local.token = token + return True + if not blocking: + return False + next_try_at = loop.time() + sleep + if stop_trying_at is not None and next_try_at > stop_trying_at: + return False + await asyncio.sleep(sleep) + + async def do_acquire(self, token: Union[str, bytes]) -> bool: + if self.timeout: + # convert to milliseconds + timeout = int(self.timeout * 1000) + else: + timeout = None + if await self.redis.set(self.name, token, nx=True, px=timeout): + return True + return False + + async def locked(self) -> bool: + """ + Returns True if this key is locked by any process, otherwise False. + """ + return await self.redis.get(self.name) is not None + + async def owned(self) -> bool: + """ + Returns True if this key is locked by this lock, otherwise False. + """ + stored_token = await self.redis.get(self.name) + # need to always compare bytes to bytes + # TODO: this can be simplified when the context manager is finished + if stored_token and not isinstance(stored_token, bytes): + encoder = self.redis.connection_pool.get_encoder() + stored_token = encoder.encode(stored_token) + return self.local.token is not None and stored_token == self.local.token + + def release(self) -> Awaitable[NoReturn]: + """Releases the already acquired lock""" + expected_token = self.local.token + if expected_token is None: + raise LockError("Cannot release an unlocked lock") + self.local.token = None + return self.do_release(expected_token) + + async def do_release(self, expected_token: bytes): + if not bool( + await self.lua_release( + keys=[self.name], args=[expected_token], client=self.redis + ) + ): + raise LockNotOwnedError("Cannot release a lock" " that's no longer owned") + + def extend( + self, additional_time: float, replace_ttl: bool = False + ) -> Awaitable[bool]: + """ + Adds more time to an already acquired lock. + + ``additional_time`` can be specified as an integer or a float, both + representing the number of seconds to add. + + ``replace_ttl`` if False (the default), add `additional_time` to + the lock's existing ttl. If True, replace the lock's ttl with + `additional_time`. + """ + if self.local.token is None: + raise LockError("Cannot extend an unlocked lock") + if self.timeout is None: + raise LockError("Cannot extend a lock with no timeout") + return self.do_extend(additional_time, replace_ttl) + + async def do_extend(self, additional_time, replace_ttl) -> bool: + additional_time = int(additional_time * 1000) + if not bool( + await self.lua_extend( + keys=[self.name], + args=[self.local.token, additional_time, replace_ttl and "1" or "0"], + client=self.redis, + ) + ): + raise LockNotOwnedError("Cannot extend a lock that's" " no longer owned") + return True + + def reacquire(self) -> Awaitable[bool]: + """ + Resets a TTL of an already acquired lock back to a timeout value. + """ + if self.local.token is None: + raise LockError("Cannot reacquire an unlocked lock") + if self.timeout is None: + raise LockError("Cannot reacquire a lock with no timeout") + return self.do_reacquire() + + async def do_reacquire(self) -> bool: + timeout = int(self.timeout * 1000) + if not bool( + await self.lua_reacquire( + keys=[self.name], args=[self.local.token, timeout], client=self.redis + ) + ): + raise LockNotOwnedError("Cannot reacquire a lock that's" " no longer owned") + return True diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/log.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/log.py new file mode 100644 index 0000000..80c9b12 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/log.py @@ -0,0 +1,15 @@ +import logging +import os +import sys + +logger = logging.getLogger("aioredis") +sentinel_logger = logger.getChild("sentinel") + +if os.environ.get("AIOREDIS_DEBUG"): + logger.setLevel(logging.DEBUG) + handler = logging.StreamHandler(stream=sys.stderr) + handler.setFormatter( + logging.Formatter("%(asctime)s %(name)s %(levelname)s %(message)s") + ) + logger.addHandler(handler) + os.environ["AIOREDIS_DEBUG"] = "" diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/py.typed b/backend/mb-env/lib/python3.9/site-packages/aioredis/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/sentinel.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/sentinel.py new file mode 100644 index 0000000..49bfa8b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/sentinel.py @@ -0,0 +1,329 @@ +import random +import weakref +from typing import AsyncIterator, Iterable, Mapping, Sequence, Tuple, Type + +from aioredis.client import Redis +from aioredis.connection import ConnectionPool, EncodableT, SSLConnection +from aioredis.exceptions import ( + ConnectionError, + ReadOnlyError, + ResponseError, + TimeoutError, +) +from aioredis.utils import str_if_bytes + + +class MasterNotFoundError(ConnectionError): + pass + + +class SlaveNotFoundError(ConnectionError): + pass + + +class SentinelManagedConnection(SSLConnection): + def __init__(self, **kwargs): + self.connection_pool = kwargs.pop("connection_pool") + if not kwargs.pop("ssl", False): + # use constructor from Connection class + super(SSLConnection, self).__init__(**kwargs) + else: + # use constructor from SSLConnection class + super().__init__(**kwargs) + + def __repr__(self): + pool = self.connection_pool + s = f"{self.__class__.__name__}" + + async def connect_to(self, address): + self.host, self.port = address + await super().connect() + if self.connection_pool.check_connection: + await self.send_command("PING") + if str_if_bytes(await self.read_response()) != "PONG": + raise ConnectionError("PING failed") + + async def connect(self): + if self._reader: + return # already connected + if self.connection_pool.is_master: + await self.connect_to(await self.connection_pool.get_master_address()) + else: + async for slave in self.connection_pool.rotate_slaves(): + try: + return await self.connect_to(slave) + except ConnectionError: + continue + raise SlaveNotFoundError # Never be here + + async def read_response(self): + try: + return await super().read_response() + except ReadOnlyError: + if self.connection_pool.is_master: + # When talking to a master, a ReadOnlyError when likely + # indicates that the previous master that we're still connected + # to has been demoted to a slave and there's a new master. + # calling disconnect will force the connection to re-query + # sentinel during the next connect() attempt. + await self.disconnect() + raise ConnectionError("The previous master is now a slave") + raise + + +class SentinelConnectionPool(ConnectionPool): + """ + Sentinel backed connection pool. + + If ``check_connection`` flag is set to True, SentinelManagedConnection + sends a PING command right after establishing the connection. + """ + + def __init__(self, service_name, sentinel_manager, **kwargs): + kwargs["connection_class"] = kwargs.get( + "connection_class", SentinelManagedConnection + ) + self.is_master = kwargs.pop("is_master", True) + self.check_connection = kwargs.pop("check_connection", False) + super().__init__(**kwargs) + self.connection_kwargs["connection_pool"] = weakref.proxy(self) + self.service_name = service_name + self.sentinel_manager = sentinel_manager + self.master_address = None + self.slave_rr_counter = None + + def __repr__(self): + return ( + f"{self.__class__.__name__}" + f"" + ) + + def reset(self): + super().reset() + self.master_address = None + self.slave_rr_counter = None + + def owns_connection(self, connection: SentinelManagedConnection): + check = not self.is_master or ( + self.is_master and self.master_address == (connection.host, connection.port) + ) + return check and super().owns_connection(connection) + + async def get_master_address(self): + master_address = await self.sentinel_manager.discover_master(self.service_name) + if self.is_master: + if self.master_address != master_address: + self.master_address = master_address + # disconnect any idle connections so that they reconnect + # to the new master the next time that they are used. + await self.disconnect(inuse_connections=False) + return master_address + + async def rotate_slaves(self) -> AsyncIterator: + """Round-robin slave balancer""" + slaves = await self.sentinel_manager.discover_slaves(self.service_name) + if slaves: + if self.slave_rr_counter is None: + self.slave_rr_counter = random.randint(0, len(slaves) - 1) + for _ in range(len(slaves)): + self.slave_rr_counter = (self.slave_rr_counter + 1) % len(slaves) + slave = slaves[self.slave_rr_counter] + yield slave + # Fallback to the master connection + try: + yield await self.get_master_address() + except MasterNotFoundError: + pass + raise SlaveNotFoundError(f"No slave found for {self.service_name!r}") + + +class Sentinel: + """ + Redis Sentinel cluster client + + >>> from aioredis.sentinel import Sentinel + >>> sentinel = Sentinel([('localhost', 26379)], socket_timeout=0.1) + >>> master = sentinel.master_for('mymaster', socket_timeout=0.1) + >>> await master.set('foo', 'bar') + >>> slave = sentinel.slave_for('mymaster', socket_timeout=0.1) + >>> await slave.get('foo') + b'bar' + + ``sentinels`` is a list of sentinel nodes. Each node is represented by + a pair (hostname, port). + + ``min_other_sentinels`` defined a minimum number of peers for a sentinel. + When querying a sentinel, if it doesn't meet this threshold, responses + from that sentinel won't be considered valid. + + ``sentinel_kwargs`` is a dictionary of connection arguments used when + connecting to sentinel instances. Any argument that can be passed to + a normal Redis connection can be specified here. If ``sentinel_kwargs`` is + not specified, any socket_timeout and socket_keepalive options specified + in ``connection_kwargs`` will be used. + + ``connection_kwargs`` are keyword arguments that will be used when + establishing a connection to a Redis server. + """ + + def __init__( + self, + sentinels, + min_other_sentinels=0, + sentinel_kwargs=None, + **connection_kwargs, + ): + # if sentinel_kwargs isn't defined, use the socket_* options from + # connection_kwargs + if sentinel_kwargs is None: + sentinel_kwargs = { + k: v for k, v in connection_kwargs.items() if k.startswith("socket_") + } + self.sentinel_kwargs = sentinel_kwargs + + self.sentinels = [ + Redis(host=hostname, port=port, **self.sentinel_kwargs) + for hostname, port in sentinels + ] + self.min_other_sentinels = min_other_sentinels + self.connection_kwargs = connection_kwargs + + def __repr__(self): + sentinel_addresses = [] + for sentinel in self.sentinels: + sentinel_addresses.append( + f"{sentinel.connection_pool.connection_kwargs['host']}:" + f"{sentinel.connection_pool.connection_kwargs['port']}" + ) + return f"{self.__class__.__name__}" + + def check_master_state(self, state: dict, service_name: str) -> bool: + if not state["is_master"] or state["is_sdown"] or state["is_odown"]: + return False + # Check if our sentinel doesn't see other nodes + if state["num-other-sentinels"] < self.min_other_sentinels: + return False + return True + + async def discover_master(self, service_name: str): + """ + Asks sentinel servers for the Redis master's address corresponding + to the service labeled ``service_name``. + + Returns a pair (address, port) or raises MasterNotFoundError if no + master is found. + """ + for sentinel_no, sentinel in enumerate(self.sentinels): + try: + masters = await sentinel.sentinel_masters() + except (ConnectionError, TimeoutError): + continue + state = masters.get(service_name) + if state and self.check_master_state(state, service_name): + # Put this sentinel at the top of the list + self.sentinels[0], self.sentinels[sentinel_no] = ( + sentinel, + self.sentinels[0], + ) + return state["ip"], state["port"] + raise MasterNotFoundError(f"No master found for {service_name!r}") + + def filter_slaves( + self, slaves: Iterable[Mapping] + ) -> Sequence[Tuple[EncodableT, EncodableT]]: + """Remove slaves that are in an ODOWN or SDOWN state""" + slaves_alive = [] + for slave in slaves: + if slave["is_odown"] or slave["is_sdown"]: + continue + slaves_alive.append((slave["ip"], slave["port"])) + return slaves_alive + + async def discover_slaves( + self, service_name: str + ) -> Sequence[Tuple[EncodableT, EncodableT]]: + """Returns a list of alive slaves for service ``service_name``""" + for sentinel in self.sentinels: + try: + slaves = await sentinel.sentinel_slaves(service_name) + except (ConnectionError, ResponseError, TimeoutError): + continue + slaves = self.filter_slaves(slaves) + if slaves: + return slaves + return [] + + def master_for( + self, + service_name: str, + redis_class: Type[Redis] = Redis, + connection_pool_class: Type[SentinelConnectionPool] = SentinelConnectionPool, + **kwargs, + ): + """ + Returns a redis client instance for the ``service_name`` master. + + A :py:class:`~redis.sentinel.SentinelConnectionPool` class is + used to retrive the master's address before establishing a new + connection. + + NOTE: If the master's address has changed, any cached connections to + the old master are closed. + + By default clients will be a :py:class:`~redis.Redis` instance. + Specify a different class to the ``redis_class`` argument if you + desire something different. + + The ``connection_pool_class`` specifies the connection pool to + use. The :py:class:`~redis.sentinel.SentinelConnectionPool` + will be used by default. + + All other keyword arguments are merged with any connection_kwargs + passed to this class and passed to the connection pool as keyword + arguments to be used to initialize Redis connections. + """ + kwargs["is_master"] = True + connection_kwargs = dict(self.connection_kwargs) + connection_kwargs.update(kwargs) + return redis_class( + connection_pool=connection_pool_class( + service_name, self, **connection_kwargs + ) + ) + + def slave_for( + self, + service_name: str, + redis_class: Type[Redis] = Redis, + connection_pool_class: Type[SentinelConnectionPool] = SentinelConnectionPool, + **kwargs, + ): + """ + Returns redis client instance for the ``service_name`` slave(s). + + A SentinelConnectionPool class is used to retrive the slave's + address before establishing a new connection. + + By default clients will be a :py:class:`~redis.Redis` instance. + Specify a different class to the ``redis_class`` argument if you + desire something different. + + The ``connection_pool_class`` specifies the connection pool to use. + The SentinelConnectionPool will be used by default. + + All other keyword arguments are merged with any connection_kwargs + passed to this class and passed to the connection pool as keyword + arguments to be used to initialize Redis connections. + """ + kwargs["is_master"] = False + connection_kwargs = dict(self.connection_kwargs) + connection_kwargs.update(kwargs) + return redis_class( + connection_pool=connection_pool_class( + service_name, self, **connection_kwargs + ) + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/aioredis/utils.py b/backend/mb-env/lib/python3.9/site-packages/aioredis/utils.py new file mode 100644 index 0000000..16b48f4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aioredis/utils.py @@ -0,0 +1,47 @@ +from typing import TYPE_CHECKING + +if TYPE_CHECKING: + from aioredis import Redis + from aioredis.client import Pipeline + + +try: + import hiredis # noqa + + HIREDIS_AVAILABLE = True +except ImportError: + HIREDIS_AVAILABLE = False + + +def from_url(url, **kwargs): + """ + Returns an active Redis client generated from the given database URL. + + Will attempt to extract the database id from the path url fragment, if + none is provided. + """ + from aioredis.client import Redis + + return Redis.from_url(url, **kwargs) + + +class pipeline: + def __init__(self, redis_obj: "Redis"): + self.p: "Pipeline" = redis_obj.pipeline() + + async def __aenter__(self) -> "Pipeline": + return self.p + + async def __aexit__(self, exc_type, exc_val, exc_tb): + await self.p.execute() + del self.p + + +def str_if_bytes(value): + return ( + value.decode("utf-8", errors="replace") if isinstance(value, bytes) else value + ) + + +def safe_str(value): + return str(str_if_bytes(value)) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/LICENSE.txt b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/LICENSE.txt new file mode 100644 index 0000000..e1ffad0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/LICENSE.txt @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2020 Cole Maclean + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/METADATA new file mode 100644 index 0000000..d216bec --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/METADATA @@ -0,0 +1,98 @@ +Metadata-Version: 2.1 +Name: aiosmtplib +Version: 1.1.6 +Summary: asyncio SMTP client +Home-page: https://github.com/cole/aiosmtplib +License: MIT +Keywords: smtp,email,asyncio +Author: Cole Maclean +Author-email: hi@colemaclean.dev +Requires-Python: >=3.5.2,<4.0.0 +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: No Input/Output (Daemon) +Classifier: Framework :: AsyncIO +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Natural Language :: English +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Topic :: Communications +Classifier: Topic :: Communications :: Email +Classifier: Topic :: Software Development :: Libraries +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Typing :: Typed +Provides-Extra: docs +Provides-Extra: uvloop +Requires-Dist: sphinx (>=2,<4); extra == "docs" +Requires-Dist: sphinx_autodoc_typehints (>=1.7.0,<2.0.0); extra == "docs" +Requires-Dist: uvloop (>=0.13,<0.15); extra == "uvloop" +Project-URL: Documentation, https://aiosmtplib.readthedocs.io/en/stable/ +Project-URL: Repository, https://github.com/cole/aiosmtplib +Description-Content-Type: text/x-rst + +aiosmtplib +========== + +|circleci| |codecov| |pypi-version| |pypi-python-versions| |pypi-status| |downloads| +|pypi-license| |black| + +------------ + +aiosmtplib is an asynchronous SMTP client for use with asyncio. + +For documentation, see `Read The Docs`_. + +Quickstart +---------- + +.. code-block:: python + + import asyncio + from email.message import EmailMessage + + import aiosmtplib + + message = EmailMessage() + message["From"] = "root@localhost" + message["To"] = "somebody@example.com" + message["Subject"] = "Hello World!" + message.set_content("Sent via aiosmtplib") + + loop = asyncio.get_event_loop() + loop.run_until_complete(aiosmtplib.send(message, hostname="127.0.0.1", port=25)) + + +Requirements +------------ +Python 3.5.2+, compiled with SSL support, is required. + + +Bug reporting +------------- +Bug reports (and feature requests) are welcome via Github issues. + + + +.. |circleci| image:: https://circleci.com/gh/cole/aiosmtplib/tree/main.svg?style=shield + :target: https://circleci.com/gh/cole/aiosmtplib/tree/main + :alt: "aiosmtplib CircleCI build status" +.. |pypi-version| image:: https://img.shields.io/pypi/v/aiosmtplib.svg + :target: https://pypi.python.org/pypi/aiosmtplib + :alt: "aiosmtplib on the Python Package Index" +.. |pypi-python-versions| image:: https://img.shields.io/pypi/pyversions/aiosmtplib.svg +.. |pypi-status| image:: https://img.shields.io/pypi/status/aiosmtplib.svg +.. |pypi-license| image:: https://img.shields.io/pypi/l/aiosmtplib.svg +.. |codecov| image:: https://codecov.io/gh/cole/aiosmtplib/branch/main/graph/badge.svg + :target: https://codecov.io/gh/cole/aiosmtplib +.. |black| image:: https://img.shields.io/badge/code%20style-black-000000.svg + :target: https://github.com/ambv/black + :alt: "Code style: black" +.. |downloads| image:: https://pepy.tech/badge/aiosmtplib + :target: https://pepy.tech/project/aiosmtplib + :alt: "aiosmtplib on pypy.tech" +.. _Read The Docs: https://aiosmtplib.readthedocs.io/en/stable/overview.html + diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/RECORD new file mode 100644 index 0000000..a598fa6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/RECORD @@ -0,0 +1,37 @@ +aiosmtplib-1.1.6.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +aiosmtplib-1.1.6.dist-info/LICENSE.txt,sha256=lpbWghc_TMgFMTZJ7WhapUY_Z03f2HYarWlF-Gp0Exg,1079 +aiosmtplib-1.1.6.dist-info/METADATA,sha256=t6H2Re2qZ3wxE8DOGNTxuFxEo-PPYw0hkjmjkn2CDCE,3548 +aiosmtplib-1.1.6.dist-info/RECORD,, +aiosmtplib-1.1.6.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +aiosmtplib-1.1.6.dist-info/WHEEL,sha256=V7iVckP-GYreevsTDnv1eAinQt_aArwnAxmnP0gygBY,83 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+aiosmtplib/sync.py,sha256=SydLksPjj_l_j5WCA0-3OghRnvnz7KdF96JIU0Z9c3s,1441 diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/WHEEL new file mode 100644 index 0000000..862df1f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib-1.1.6.dist-info/WHEEL @@ -0,0 +1,4 @@ +Wheel-Version: 1.0 +Generator: poetry 1.0.3 +Root-Is-Purelib: true +Tag: py3-none-any diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__init__.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__init__.py new file mode 100644 index 0000000..2344c37 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__init__.py @@ -0,0 +1,58 @@ +""" +aiosmtplib +========== + +An asyncio SMTP client. + +Originally based on smtplib from the Python 3 standard library by: +The Dragon De Monsyne + +Author: Cole Maclean +""" +from .api import send +from .errors import ( + SMTPAuthenticationError, + SMTPConnectError, + SMTPConnectTimeoutError, + SMTPDataError, + SMTPException, + SMTPHeloError, + SMTPNotSupported, + SMTPReadTimeoutError, + SMTPRecipientRefused, + SMTPRecipientsRefused, + SMTPResponseException, + SMTPSenderRefused, + SMTPServerDisconnected, + SMTPTimeoutError, +) +from .response import SMTPResponse +from .smtp import SMTP +from .status import SMTPStatus + + +__title__ = "aiosmtplib" +__version__ = "1.1.6" +__author__ = "Cole Maclean" +__license__ = "MIT" +__copyright__ = "Copyright 2021 Cole Maclean" +__all__ = ( + "send", + "SMTP", + "SMTPResponse", + "SMTPStatus", + "SMTPAuthenticationError", + "SMTPConnectError", + "SMTPDataError", + "SMTPException", + "SMTPHeloError", + "SMTPNotSupported", + "SMTPRecipientRefused", + "SMTPRecipientsRefused", + "SMTPResponseException", + "SMTPSenderRefused", + "SMTPServerDisconnected", + "SMTPTimeoutError", + "SMTPConnectTimeoutError", + "SMTPReadTimeoutError", +) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__main__.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__main__.py new file mode 100644 index 0000000..4e6bbd2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/__main__.py @@ -0,0 +1,31 @@ +from aiosmtplib.connection import SMTP_PORT +from aiosmtplib.smtp import SMTP + + +raw_hostname = input("SMTP server hostname [localhost]: ") # nosec +raw_port = input("SMTP server port [{}]: ".format(SMTP_PORT)) # nosec +raw_sender = input("From: ") # nosec +raw_recipients = input("To: ") # nosec + +hostname = raw_hostname or "localhost" +port = int(raw_port) if raw_port else SMTP_PORT +recipients = raw_recipients.split(",") +lines = [] + +print("Enter message, end with ^D:") +while True: + try: + lines.append(input()) # nosec + except EOFError: + break + +message = "\n".join(lines) + +print("Message length (bytes): {}".format(len(message.encode("utf-8")))) + +smtp_client = SMTP(hostname=hostname or "localhost", port=port) +sendmail_errors, sendmail_response = smtp_client.sendmail_sync( + raw_sender, recipients, message +) + +print("Server response: {}".format(sendmail_response)) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/api.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/api.py new file mode 100644 index 0000000..e5f3fbb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/api.py @@ -0,0 +1,404 @@ +""" +Main public API. +""" +import email.message +import os +import socket +import ssl +import sys +from typing import Dict, List, Optional, Sequence, Tuple, Union, overload + +from .response import SMTPResponse +from .smtp import SMTP + + +__all__ = ("send",) + + +if sys.version_info >= (3, 7): + SocketPathType = Union[str, bytes, os.PathLike] +else: + SocketPathType = Union[str, bytes] + +# flake8: noqa F811 + +# overloaded matrix is split by: +# * message type (Message, str/bytes) +# * connection type (hostname/socket/socket path) +# * cert info (client_cert/tls_context) + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: str = ..., + port: Optional[int] = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: None = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: str = ..., + port: Optional[int] = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: None = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: str = ..., + port: Optional[int] = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: None = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: str = ..., + port: Optional[int] = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: None = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: None = ..., + sock: socket.socket = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: None = ..., + sock: socket.socket = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: None = ..., + sock: socket.socket = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: None = ..., + sock: socket.socket = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: SocketPathType = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: Optional[str] = ..., + client_key: Optional[str] = ..., + tls_context: None = ..., + cert_bundle: Optional[str] = ..., + socket_path: SocketPathType = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = ..., + recipients: Optional[Union[str, Sequence[str]]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: SocketPathType = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +@overload +async def send( + message: Union[str, bytes], + sender: str = ..., + recipients: Union[str, Sequence[str]] = ..., + hostname: None = ..., + port: None = ..., + username: Optional[Union[str, bytes]] = ..., + password: Optional[Union[str, bytes]] = ..., + mail_options: Optional[List[str]] = ..., + rcpt_options: Optional[List[str]] = ..., + timeout: Optional[float] = ..., + source_address: Optional[str] = ..., + use_tls: bool = ..., + start_tls: bool = ..., + validate_certs: bool = ..., + client_cert: None = ..., + client_key: None = ..., + tls_context: Optional[ssl.SSLContext] = ..., + cert_bundle: None = ..., + socket_path: SocketPathType = ..., + sock: None = ..., +) -> Tuple[Dict[str, SMTPResponse], str]: + ... + + +async def send(message, sender=None, recipients=None, **kwargs): + """ + Send an email message. On await, connects to the SMTP server using the details + provided, sends the message, then disconnects. + + :param message: Message text. Either an :py:class:`email.message.EmailMessage` + object, ``str`` or ``bytes``. If an :py:class:`email.message.EmailMessage` + object is provided, sender and recipients set in the message headers will be + used, unless overridden by the respective keyword arguments. + :keyword sender: From email address. Not required if an + :py:class:`email.message.EmailMessage` object is provided for the `message` + argument. + :keyword recipients: Recipient email addresses. Not required if an + :py:class:`email.message.EmailMessage` object is provided for the `message` + argument. + :keyword hostname: Server name (or IP) to connect to. Defaults to "localhost". + :keyword port: Server port. Defaults ``465`` if ``use_tls`` is ``True``, + ``587`` if ``start_tls`` is ``True``, or ``25`` otherwise. + :keyword username: Username to login as after connect. + :keyword password: Password for login after connect. + :keyword source_address: The hostname of the client. Defaults to the + result of :py:func:`socket.getfqdn`. Note that this call blocks. + :keyword timeout: Default timeout value for the connection, in seconds. + Defaults to 60. + :keyword use_tls: If True, make the initial connection to the server + over TLS/SSL. Note that if the server supports STARTTLS only, this + should be False. + :keyword start_tls: If True, make the initial connection to the server + over plaintext, and then upgrade the connection to TLS/SSL. Not + compatible with use_tls. + :keyword validate_certs: Determines if server certificates are + validated. Defaults to True. + :keyword client_cert: Path to client side certificate, for TLS. + :keyword client_key: Path to client side key, for TLS. + :keyword tls_context: An existing :py:class:`ssl.SSLContext`, for TLS. + Mutually exclusive with ``client_cert``/``client_key``. + :keyword cert_bundle: Path to certificate bundle, for TLS verification. + :keyword socket_path: Path to a Unix domain socket. Not compatible with + hostname or port. Accepts str or bytes, or a pathlike object in 3.7+. + :keyword sock: An existing, connected socket object. If given, none of + hostname, port, or socket_path should be provided. + + :raises ValueError: required arguments missing or mutually exclusive options + provided + """ + if not isinstance(message, (email.message.EmailMessage, email.message.Message)): + if not recipients: + raise ValueError("Recipients must be provided with raw messages.") + if not sender: + raise ValueError("Sender must be provided with raw messages.") + + client = SMTP(**kwargs) + + async with client: + if isinstance(message, (email.message.EmailMessage, email.message.Message)): + result = await client.send_message( + message, sender=sender, recipients=recipients + ) + else: + result = await client.sendmail(sender, recipients, message) + + return result diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/auth.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/auth.py new file mode 100644 index 0000000..de27c3d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/auth.py @@ -0,0 +1,236 @@ +""" +Authentication methods. +""" +import base64 +import hmac +from typing import List, Optional, Union + +from .default import Default, _default +from .errors import SMTPAuthenticationError, SMTPException +from .esmtp import ESMTP +from .response import SMTPResponse +from .status import SMTPStatus + + +__all__ = ("SMTPAuth", "crammd5_verify") + + +def crammd5_verify(username: bytes, password: bytes, challenge: bytes) -> bytes: + decoded_challenge = base64.b64decode(challenge) + md5_digest = hmac.new(password, msg=decoded_challenge, digestmod="md5") + verification = username + b" " + md5_digest.hexdigest().encode("utf-8") + encoded_verification = base64.b64encode(verification) + + return encoded_verification + + +class SMTPAuth(ESMTP): + """ + Handles ESMTP Authentication support. + + CRAM-MD5, PLAIN, and LOGIN auth methods are supported. + """ + + AUTH_METHODS = ("cram-md5", "plain", "login") # Preferred methods first + + @property + def supported_auth_methods(self) -> List[str]: + """ + Get all AUTH methods supported by the both server and by us. + """ + return [auth for auth in self.AUTH_METHODS if auth in self.server_auth_methods] + + async def login( + self, + username: Union[str, bytes], + password: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Tries to login with supported auth methods. + + Some servers advertise authentication methods they don't really + support, so if authentication fails, we continue until we've tried + all methods. + """ + await self._ehlo_or_helo_if_needed() + + if not self.supports_extension("auth"): + if self.is_connected and self.get_transport_info("sslcontext") is None: + raise SMTPException( + "The SMTP AUTH extension is not supported by this server. Try " + "connecting via TLS (or STARTTLS)." + ) + raise SMTPException( + "The SMTP AUTH extension is not supported by this server." + ) + + response = None # type: Optional[SMTPResponse] + exception = None # type: Optional[SMTPAuthenticationError] + for auth_name in self.supported_auth_methods: + method_name = "auth_{}".format(auth_name.replace("-", "")) + try: + auth_method = getattr(self, method_name) + except AttributeError: + raise RuntimeError( + "Missing handler for auth method {}".format(auth_name) + ) + try: + response = await auth_method(username, password, timeout=timeout) + except SMTPAuthenticationError as exc: + exception = exc + else: + # No exception means we're good + break + + if response is None: + raise exception or SMTPException("No suitable authentication method found.") + + return response + + async def auth_crammd5( + self, + username: Union[str, bytes], + password: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + CRAM-MD5 auth uses the password as a shared secret to MD5 the server's + response. + + Example:: + + 250 AUTH CRAM-MD5 + auth cram-md5 + 334 PDI0NjA5LjEwNDc5MTQwNDZAcG9wbWFpbC5TcGFjZS5OZXQ+ + dGltIGI5MTNhNjAyYzdlZGE3YTQ5NWI0ZTZlNzMzNGQzODkw + + """ + initial_response = await self.execute_command( + b"AUTH", b"CRAM-MD5", timeout=timeout + ) + + if initial_response.code != SMTPStatus.auth_continue: + raise SMTPAuthenticationError( + initial_response.code, initial_response.message + ) + + if isinstance(password, bytes): + password_bytes = password + else: + password_bytes = password.encode("utf-8") + + if isinstance(username, bytes): + username_bytes = username + else: + username_bytes = username.encode("utf-8") + + response_bytes = initial_response.message.encode("utf-8") + + verification_bytes = crammd5_verify( + username_bytes, password_bytes, response_bytes + ) + + response = await self.execute_command(verification_bytes) + + if response.code != SMTPStatus.auth_successful: + raise SMTPAuthenticationError(response.code, response.message) + + return response + + async def auth_plain( + self, + username: Union[str, bytes], + password: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + PLAIN auth encodes the username and password in one Base64 encoded + string. No verification message is required. + + Example:: + + 220-esmtp.example.com + AUTH PLAIN dGVzdAB0ZXN0AHRlc3RwYXNz + 235 ok, go ahead (#2.0.0) + + """ + if isinstance(password, bytes): + password_bytes = password + else: + password_bytes = password.encode("utf-8") + + if isinstance(username, bytes): + username_bytes = username + else: + username_bytes = username.encode("utf-8") + + username_and_password = b"\0" + username_bytes + b"\0" + password_bytes + encoded = base64.b64encode(username_and_password) + + response = await self.execute_command( + b"AUTH", b"PLAIN", encoded, timeout=timeout + ) + + if response.code != SMTPStatus.auth_successful: + raise SMTPAuthenticationError(response.code, response.message) + + return response + + async def auth_login( + self, + username: Union[str, bytes], + password: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + LOGIN auth sends the Base64 encoded username and password in sequence. + + Example:: + + 250 AUTH LOGIN PLAIN CRAM-MD5 + auth login avlsdkfj + 334 UGFzc3dvcmQ6 + avlsdkfj + + Note that there is an alternate version sends the username + as a separate command:: + + 250 AUTH LOGIN PLAIN CRAM-MD5 + auth login + 334 VXNlcm5hbWU6 + avlsdkfj + 334 UGFzc3dvcmQ6 + avlsdkfj + + However, since most servers seem to support both, we send the username + with the initial request. + """ + if isinstance(password, bytes): + password_bytes = password + else: + password_bytes = password.encode("utf-8") + + if isinstance(username, bytes): + username_bytes = username + else: + username_bytes = username.encode("utf-8") + + encoded_username = base64.b64encode(username_bytes) + encoded_password = base64.b64encode(password_bytes) + + initial_response = await self.execute_command( + b"AUTH", b"LOGIN", encoded_username, timeout=timeout + ) + + if initial_response.code != SMTPStatus.auth_continue: + raise SMTPAuthenticationError( + initial_response.code, initial_response.message + ) + + response = await self.execute_command(encoded_password, timeout=timeout) + + if response.code != SMTPStatus.auth_successful: + raise SMTPAuthenticationError(response.code, response.message) + + return response diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/compat.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/compat.py new file mode 100644 index 0000000..d77b330 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/compat.py @@ -0,0 +1,102 @@ +""" +asyncio compatibility shims. +""" +import asyncio +import ssl +import sys +from asyncio.sslproto import SSLProtocol # type: ignore +from typing import Optional, Union + + +__all__ = ( + "PY36_OR_LATER", + "PY37_OR_LATER", + "all_tasks", + "get_running_loop", + "start_tls", +) + + +PY36_OR_LATER = sys.version_info[:2] >= (3, 6) +PY37_OR_LATER = sys.version_info[:2] >= (3, 7) + + +def get_running_loop() -> asyncio.AbstractEventLoop: + if PY37_OR_LATER: + return asyncio.get_running_loop() + + loop = asyncio.get_event_loop() + if not loop.is_running(): + raise RuntimeError("no running event loop") + + return loop + + +def all_tasks(loop: asyncio.AbstractEventLoop = None): + if PY37_OR_LATER: + return asyncio.all_tasks(loop=loop) + + return asyncio.Task.all_tasks(loop=loop) # type: ignore + + +async def start_tls( + loop: asyncio.AbstractEventLoop, + transport: asyncio.Transport, + protocol: asyncio.Protocol, + sslcontext: ssl.SSLContext, + server_side: bool = False, + server_hostname: Optional[str] = None, + ssl_handshake_timeout: Optional[Union[float, int]] = None, +) -> asyncio.Transport: + # We use hasattr here, as uvloop also supports start_tls. + if hasattr(loop, "start_tls"): + return await loop.start_tls( # type: ignore + transport, + protocol, + sslcontext, + server_side=server_side, + server_hostname=server_hostname, + ssl_handshake_timeout=ssl_handshake_timeout, + ) + + waiter = loop.create_future() + ssl_protocol = SSLProtocol( + loop, protocol, sslcontext, waiter, server_side, server_hostname + ) + + # Pause early so that "ssl_protocol.data_received()" doesn't + # have a chance to get called before "ssl_protocol.connection_made()". + transport.pause_reading() + + # Use set_protocol if we can + if hasattr(transport, "set_protocol"): + transport.set_protocol(ssl_protocol) + else: + transport._protocol = ssl_protocol # type: ignore + + conmade_cb = loop.call_soon(ssl_protocol.connection_made, transport) + resume_cb = loop.call_soon(transport.resume_reading) + + try: + await asyncio.wait_for(waiter, timeout=ssl_handshake_timeout) + except Exception: + transport.close() + conmade_cb.cancel() + resume_cb.cancel() + raise + + return ssl_protocol._app_transport + + +def create_connection(loop: asyncio.AbstractEventLoop, *args, **kwargs): + if not PY37_OR_LATER: + kwargs.pop("ssl_handshake_timeout") + + return loop.create_connection(*args, **kwargs) + + +def create_unix_connection(loop: asyncio.AbstractEventLoop, *args, **kwargs): + if not PY37_OR_LATER: + kwargs.pop("ssl_handshake_timeout") + + return loop.create_unix_connection(*args, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/connection.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/connection.py new file mode 100644 index 0000000..87e419e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/connection.py @@ -0,0 +1,508 @@ +""" +Handles client connection/disconnection. +""" +import asyncio +import os +import socket +import ssl +import sys +import warnings +from typing import Any, Optional, Type, Union + +from .compat import create_connection, create_unix_connection, get_running_loop +from .default import Default, _default +from .errors import ( + SMTPConnectError, + SMTPConnectTimeoutError, + SMTPResponseException, + SMTPServerDisconnected, + SMTPTimeoutError, +) +from .protocol import SMTPProtocol +from .response import SMTPResponse +from .status import SMTPStatus + + +__all__ = ("SMTPConnection",) + + +SMTP_PORT = 25 +SMTP_TLS_PORT = 465 +SMTP_STARTTLS_PORT = 587 +DEFAULT_TIMEOUT = 60 + + +# Mypy special cases sys.version checks +if sys.version_info >= (3, 7): + SocketPathType = Union[str, bytes, os.PathLike] +else: + SocketPathType = Union[str, bytes] + + +class SMTPConnection: + """ + Handles connection/disconnection from the SMTP server provided. + + Keyword arguments can be provided either on :meth:`__init__` or when + calling the :meth:`connect` method. Note that in both cases these options + are saved for later use; subsequent calls to :meth:`connect` will use the + same options, unless new ones are provided. + """ + + def __init__( + self, + hostname: Optional[str] = "localhost", + port: Optional[int] = None, + username: Optional[Union[str, bytes]] = None, + password: Optional[Union[str, bytes]] = None, + source_address: Optional[str] = None, + timeout: Optional[float] = DEFAULT_TIMEOUT, + loop: Optional[asyncio.AbstractEventLoop] = None, + use_tls: bool = False, + start_tls: bool = False, + validate_certs: bool = True, + client_cert: Optional[str] = None, + client_key: Optional[str] = None, + tls_context: Optional[ssl.SSLContext] = None, + cert_bundle: Optional[str] = None, + socket_path: Optional[SocketPathType] = None, + sock: Optional[socket.socket] = None, + ) -> None: + """ + :keyword hostname: Server name (or IP) to connect to. Defaults to "localhost". + :keyword port: Server port. Defaults ``465`` if ``use_tls`` is ``True``, + ``587`` if ``start_tls`` is ``True``, or ``25`` otherwise. + :keyword username: Username to login as after connect. + :keyword password: Password for login after connect. + :keyword source_address: The hostname of the client. Defaults to the + result of :func:`socket.getfqdn`. Note that this call blocks. + :keyword timeout: Default timeout value for the connection, in seconds. + Defaults to 60. + :keyword loop: event loop to run on. If no loop is passed, the running loop + will be used. This option is deprecated, and will be removed in future. + :keyword use_tls: If True, make the _initial_ connection to the server + over TLS/SSL. Note that if the server supports STARTTLS only, this + should be False. + :keyword start_tls: If True, make the initial connection to the server + over plaintext, and then upgrade the connection to TLS/SSL. Not + compatible with use_tls. + :keyword validate_certs: Determines if server certificates are + validated. Defaults to True. + :keyword client_cert: Path to client side certificate, for TLS + verification. + :keyword client_key: Path to client side key, for TLS verification. + :keyword tls_context: An existing :py:class:`ssl.SSLContext`, for TLS + verification. Mutually exclusive with ``client_cert``/ + ``client_key``. + :keyword cert_bundle: Path to certificate bundle, for TLS verification. + :keyword socket_path: Path to a Unix domain socket. Not compatible with + hostname or port. Accepts str or bytes, or a pathlike object in 3.7+. + :keyword sock: An existing, connected socket object. If given, none of + hostname, port, or socket_path should be provided. + + :raises ValueError: mutually exclusive options provided + """ + self.protocol = None # type: Optional[SMTPProtocol] + self.transport = None # type: Optional[asyncio.BaseTransport] + + # Kwarg defaults are provided here, and saved for connect. + self.hostname = hostname + self.port = port + self._login_username = username + self._login_password = password + self.timeout = timeout + self.use_tls = use_tls + self._start_tls_on_connect = start_tls + self._source_address = source_address + self.validate_certs = validate_certs + self.client_cert = client_cert + self.client_key = client_key + self.tls_context = tls_context + self.cert_bundle = cert_bundle + self.socket_path = socket_path + self.sock = sock + + if loop: + warnings.warn( + "Passing an event loop via the loop keyword argument is deprecated. " + "It will be removed in version 2.0.", + DeprecationWarning, + stacklevel=4, + ) + self.loop = loop + self._connect_lock = None # type: Optional[asyncio.Lock] + + self._validate_config() + + async def __aenter__(self) -> "SMTPConnection": + if not self.is_connected: + await self.connect() + + return self + + async def __aexit__( + self, exc_type: Type[Exception], exc: Exception, traceback: Any + ) -> None: + if isinstance(exc, (ConnectionError, TimeoutError)): + self.close() + return + + try: + await self.quit() + except (SMTPServerDisconnected, SMTPResponseException, SMTPTimeoutError): + pass + + @property + def is_connected(self) -> bool: + """ + Check if our transport is still connected. + """ + return bool(self.protocol is not None and self.protocol.is_connected) + + @property + def source_address(self) -> str: + """ + Get the system hostname to be sent to the SMTP server. + Simply caches the result of :func:`socket.getfqdn`. + """ + if self._source_address is None: + self._source_address = socket.getfqdn() + + return self._source_address + + def _update_settings_from_kwargs( + self, + hostname: Optional[Union[str, Default]] = _default, + port: Optional[Union[int, Default]] = _default, + username: Optional[Union[str, bytes, Default]] = _default, + password: Optional[Union[str, bytes, Default]] = _default, + source_address: Optional[Union[str, Default]] = _default, + timeout: Optional[Union[float, Default]] = _default, + loop: Optional[Union[asyncio.AbstractEventLoop, Default]] = _default, + use_tls: Optional[bool] = None, + start_tls: Optional[bool] = None, + validate_certs: Optional[bool] = None, + client_cert: Optional[Union[str, Default]] = _default, + client_key: Optional[Union[str, Default]] = _default, + tls_context: Optional[Union[ssl.SSLContext, Default]] = _default, + cert_bundle: Optional[Union[str, Default]] = _default, + socket_path: Optional[Union[SocketPathType, Default]] = _default, + sock: Optional[Union[socket.socket, Default]] = _default, + ) -> None: + """Update our configuration from the kwargs provided. + + This method can be called multiple times. + """ + if hostname is not _default: + self.hostname = hostname + if loop is not _default: + if loop is not None: + warnings.warn( + "Passing an event loop via the loop keyword argument is deprecated." + " It will be removed in version 2.0.", + DeprecationWarning, + stacklevel=3, + ) + self.loop = loop + if use_tls is not None: + self.use_tls = use_tls + if start_tls is not None: + self._start_tls_on_connect = start_tls + if validate_certs is not None: + self.validate_certs = validate_certs + if port is not _default: + self.port = port + if username is not _default: + self._login_username = username + if password is not _default: + self._login_password = password + + if timeout is not _default: + self.timeout = timeout + if source_address is not _default: + self._source_address = source_address + if client_cert is not _default: + self.client_cert = client_cert + if client_key is not _default: + self.client_key = client_key + if tls_context is not _default: + self.tls_context = tls_context + if cert_bundle is not _default: + self.cert_bundle = cert_bundle + if socket_path is not _default: + self.socket_path = socket_path + if sock is not _default: + self.sock = sock + + def _validate_config(self) -> None: + if self._start_tls_on_connect and self.use_tls: + raise ValueError("The start_tls and use_tls options are not compatible.") + + if self.tls_context is not None and self.client_cert is not None: + raise ValueError( + "Either a TLS context or a certificate/key must be provided" + ) + + if self.sock is not None and any([self.hostname, self.port, self.socket_path]): + raise ValueError( + "The socket option is not compatible with hostname, port or socket_path" + ) + + if self.socket_path is not None and any([self.hostname, self.port]): + raise ValueError( + "The socket_path option is not compatible with hostname/port" + ) + + async def connect(self, **kwargs) -> SMTPResponse: + """ + Initialize a connection to the server. Options provided to + :meth:`.connect` take precedence over those used to initialize the + class. + + :keyword hostname: Server name (or IP) to connect to. Defaults to "localhost". + :keyword port: Server port. Defaults ``465`` if ``use_tls`` is ``True``, + ``587`` if ``start_tls`` is ``True``, or ``25`` otherwise. + :keyword source_address: The hostname of the client. Defaults to the + result of :func:`socket.getfqdn`. Note that this call blocks. + :keyword timeout: Default timeout value for the connection, in seconds. + Defaults to 60. + :keyword loop: event loop to run on. If no loop is passed, the running loop + will be used. This option is deprecated, and will be removed in future. + :keyword use_tls: If True, make the initial connection to the server + over TLS/SSL. Note that if the server supports STARTTLS only, this + should be False. + :keyword start_tls: If True, make the initial connection to the server + over plaintext, and then upgrade the connection to TLS/SSL. Not + compatible with use_tls. + :keyword validate_certs: Determines if server certificates are + validated. Defaults to True. + :keyword client_cert: Path to client side certificate, for TLS. + :keyword client_key: Path to client side key, for TLS. + :keyword tls_context: An existing :py:class:`ssl.SSLContext`, for TLS. + Mutually exclusive with ``client_cert``/``client_key``. + :keyword cert_bundle: Path to certificate bundle, for TLS verification. + :keyword socket_path: Path to a Unix domain socket. Not compatible with + hostname or port. Accepts str or bytes, or a pathlike object in 3.7+. + :keyword sock: An existing, connected socket object. If given, none of + hostname, port, or socket_path should be provided. + + :raises ValueError: mutually exclusive options provided + """ + self._update_settings_from_kwargs(**kwargs) + self._validate_config() + + if self.loop is None: + self.loop = get_running_loop() + if self._connect_lock is None: + self._connect_lock = asyncio.Lock() + await self._connect_lock.acquire() + + # Set default port last in case use_tls or start_tls is provided, + # and only if we're not using a socket. + if self.port is None and self.sock is None and self.socket_path is None: + if self.use_tls: + self.port = SMTP_TLS_PORT + elif self._start_tls_on_connect: + self.port = SMTP_STARTTLS_PORT + else: + self.port = SMTP_PORT + + try: + response = await self._create_connection() + except Exception as exc: + self.close() # Reset our state to disconnected + raise exc + + if self._start_tls_on_connect: + await self.starttls() + + if self._login_username is not None: + password = self._login_password if self._login_password is not None else "" + await self.login(self._login_username, password) + + return response + + async def _create_connection(self) -> SMTPResponse: + if self.loop is None: + raise RuntimeError("No event loop set") + + protocol = SMTPProtocol( + loop=self.loop, connection_lost_callback=self._connection_lost + ) + + tls_context = None # type: Optional[ssl.SSLContext] + ssl_handshake_timeout = None # type: Optional[float] + if self.use_tls: + tls_context = self._get_tls_context() + ssl_handshake_timeout = self.timeout + + if self.sock: + connect_coro = create_connection( + self.loop, + lambda: protocol, + sock=self.sock, + ssl=tls_context, + ssl_handshake_timeout=ssl_handshake_timeout, + ) + elif self.socket_path: + connect_coro = create_unix_connection( + self.loop, + lambda: protocol, + path=self.socket_path, + ssl=tls_context, + ssl_handshake_timeout=ssl_handshake_timeout, + ) + else: + connect_coro = create_connection( + self.loop, + lambda: protocol, + host=self.hostname, + port=self.port, + ssl=tls_context, + ssl_handshake_timeout=ssl_handshake_timeout, + ) + + try: + transport, _ = await asyncio.wait_for(connect_coro, timeout=self.timeout) + except OSError as exc: + raise SMTPConnectError( + "Error connecting to {host} on port {port}: {err}".format( + host=self.hostname, port=self.port, err=exc + ) + ) from exc + except asyncio.TimeoutError as exc: + raise SMTPConnectTimeoutError( + "Timed out connecting to {host} on port {port}".format( + host=self.hostname, port=self.port + ) + ) from exc + + self.protocol = protocol + self.transport = transport + + try: + response = await protocol.read_response(timeout=self.timeout) + except SMTPServerDisconnected as exc: + raise SMTPConnectError( + "Error connecting to {host} on port {port}: {err}".format( + host=self.hostname, port=self.port, err=exc + ) + ) from exc + except SMTPTimeoutError as exc: + raise SMTPConnectTimeoutError( + "Timed out waiting for server ready message" + ) from exc + + if response.code != SMTPStatus.ready: + raise SMTPConnectError(str(response)) + + return response + + def _connection_lost(self, waiter: asyncio.Future) -> None: + if waiter.cancelled() or waiter.exception() is not None: + self.close() + + async def execute_command( + self, *args: bytes, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + """ + Check that we're connected, if we got a timeout value, and then + pass the command to the protocol. + + :raises SMTPServerDisconnected: connection lost + """ + if self.protocol is None: + raise SMTPServerDisconnected("Server not connected") + + if timeout is _default: + timeout = self.timeout + + response = await self.protocol.execute_command(*args, timeout=timeout) + + # If the server is unavailable, be nice and close the connection + if response.code == SMTPStatus.domain_unavailable: + self.close() + + return response + + async def quit( + self, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + raise NotImplementedError + + async def login( + self, + username: Union[str, bytes], + password: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + raise NotImplementedError + + async def starttls( + self, + server_hostname: Optional[str] = None, + validate_certs: Optional[bool] = None, + client_cert: Optional[Union[str, Default]] = _default, + client_key: Optional[Union[str, Default]] = _default, + cert_bundle: Optional[Union[str, Default]] = _default, + tls_context: Optional[Union[ssl.SSLContext, Default]] = _default, + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + raise NotImplementedError + + def _get_tls_context(self) -> ssl.SSLContext: + """ + Build an SSLContext object from the options we've been given. + """ + if self.tls_context is not None: + context = self.tls_context + else: + # SERVER_AUTH is what we want for a client side socket + context = ssl.create_default_context(ssl.Purpose.SERVER_AUTH) + context.check_hostname = bool(self.validate_certs) + if self.validate_certs: + context.verify_mode = ssl.CERT_REQUIRED + else: + context.verify_mode = ssl.CERT_NONE + + if self.cert_bundle is not None: + context.load_verify_locations(cafile=self.cert_bundle) + + if self.client_cert is not None: + context.load_cert_chain(self.client_cert, keyfile=self.client_key) + + return context + + def close(self) -> None: + """ + Closes the connection. + """ + if self.transport is not None and not self.transport.is_closing(): + self.transport.close() + + if self._connect_lock is not None and self._connect_lock.locked(): + self._connect_lock.release() + + self.protocol = None + self.transport = None + + def get_transport_info(self, key: str) -> Any: + """ + Get extra info from the transport. + Supported keys: + + - ``peername`` + - ``socket`` + - ``sockname`` + - ``compression`` + - ``cipher`` + - ``peercert`` + - ``sslcontext`` + - ``sslobject`` + + :raises SMTPServerDisconnected: connection lost + """ + if self.transport is None: + raise SMTPServerDisconnected("Server not connected") + + return self.transport.get_extra_info(key) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/default.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/default.py new file mode 100644 index 0000000..065207d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/default.py @@ -0,0 +1,15 @@ +""" +A default enum, used for kwarg default values. +""" +import enum + + +class Default(enum.Enum): + """ + Used for type hinting kwarg defaults. + """ + + token = 0 + + +_default = Default.token diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/email.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/email.py new file mode 100644 index 0000000..f6cc067 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/email.py @@ -0,0 +1,179 @@ +""" +Email message and address formatting/parsing functions. +""" +import copy +import email.charset +import email.generator +import email.header +import email.headerregistry +import email.message +import email.policy +import email.utils +import io +import re +from typing import List, Optional, Tuple, Union + + +__all__ = ( + "extract_recipients", + "extract_sender", + "flatten_message", + "parse_address", + "quote_address", +) + + +LINE_SEP = "\r\n" +SPECIALS_REGEX = re.compile(r'[][\\()<>@,:;".]') +ESCAPES_REGEX = re.compile(r'[\\"]') +UTF8_CHARSET = email.charset.Charset("utf-8") + + +def parse_address(address: str) -> str: + """ + Parse an email address, falling back to the raw string given. + """ + display_name, parsed_address = email.utils.parseaddr(address) + + return parsed_address or address.strip() + + +def quote_address(address: str) -> str: + """ + Quote a subset of the email addresses defined by RFC 821. + """ + parsed_address = parse_address(address) + return "<{}>".format(parsed_address) + + +def formataddr(pair: Tuple[str, str]) -> str: + """ + Copied from the standard library, and modified to handle international (UTF-8) + email addresses. + + The inverse of parseaddr(), this takes a 2-tuple of the form + (realname, email_address) and returns the string value suitable + for an RFC 2822 From, To or Cc header. + If the first element of pair is false, then the second element is + returned unmodified. + """ + name, address = pair + if name: + encoded_name = UTF8_CHARSET.header_encode(name) + return "{} <{}>".format(encoded_name, address) + else: + quotes = "" + if SPECIALS_REGEX.search(name): + quotes = '"' + name = ESCAPES_REGEX.sub(r"\\\g<0>", name) + return "{}{}{} <{}>".format(quotes, name, quotes, address) + + return address + + +def flatten_message( + message: Union[email.message.EmailMessage, email.message.Message], + utf8: bool = False, + cte_type: str = "8bit", +) -> bytes: + # Make a local copy so we can delete the bcc headers. + message_copy = copy.copy(message) + del message_copy["Bcc"] + del message_copy["Resent-Bcc"] + + if isinstance(message.policy, email.policy.Compat32): # type: ignore + # Compat32 cannot use UTF8 + policy = message.policy.clone( # type: ignore + linesep=LINE_SEP, cte_type=cte_type + ) + else: + policy = message.policy.clone( # type: ignore + linesep=LINE_SEP, utf8=utf8, cte_type=cte_type + ) + + with io.BytesIO() as messageio: + generator = email.generator.BytesGenerator(messageio, policy=policy) + generator.flatten(message_copy) + flat_message = messageio.getvalue() + + return flat_message + + +def extract_addresses( + header: Union[str, email.headerregistry.AddressHeader, email.header.Header], +) -> List[str]: + """ + Convert address headers into raw email addresses, suitable for use in + low level SMTP commands. + """ + addresses = [] + if isinstance(header, email.headerregistry.AddressHeader): + for address in header.addresses: + # If the object has been assigned an iterable, it's possible to get + # a string here + if isinstance(address, email.headerregistry.Address): + addresses.append(address.addr_spec) + else: + addresses.append(parse_address(address)) + elif isinstance(header, email.header.Header): + for address_bytes, charset in email.header.decode_header(header): + if charset is None: + charset = "ascii" + addresses.append(parse_address(str(address_bytes, encoding=charset))) + else: + addresses.extend(addr for _, addr in email.utils.getaddresses([header])) + + return addresses + + +def extract_sender( + message: Union[email.message.EmailMessage, email.message.Message] +) -> Optional[str]: + """ + Extract the sender from the message object given. + """ + resent_dates = message.get_all("Resent-Date") + + if resent_dates is not None and len(resent_dates) > 1: + raise ValueError("Message has more than one 'Resent-' header block") + elif resent_dates: + sender_header_name = "Resent-Sender" + from_header_name = "Resent-From" + else: + sender_header_name = "Sender" + from_header_name = "From" + + # Prefer the sender field per RFC 2822:3.6.2. + if sender_header_name in message: + sender_header = message[sender_header_name] + else: + sender_header = message[from_header_name] + + if sender_header is None: + return None + + return extract_addresses(sender_header)[0] + + +def extract_recipients( + message: Union[email.message.EmailMessage, email.message.Message] +) -> List[str]: + """ + Extract the recipients from the message object given. + """ + recipients = [] # type: List[str] + + resent_dates = message.get_all("Resent-Date") + + if resent_dates is not None and len(resent_dates) > 1: + raise ValueError("Message has more than one 'Resent-' header block") + elif resent_dates: + recipient_headers = ("Resent-To", "Resent-Cc", "Resent-Bcc") + else: + recipient_headers = ("To", "Cc", "Bcc") + + for header in recipient_headers: + for recipient in message.get_all(header, failobj=[]): + recipients.extend(extract_addresses(recipient)) + + return recipients diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/errors.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/errors.py new file mode 100644 index 0000000..6ed0852 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/errors.py @@ -0,0 +1,130 @@ +from asyncio import TimeoutError +from typing import List + + +__all__ = ( + "SMTPAuthenticationError", + "SMTPConnectError", + "SMTPDataError", + "SMTPException", + "SMTPHeloError", + "SMTPNotSupported", + "SMTPRecipientRefused", + "SMTPRecipientsRefused", + "SMTPResponseException", + "SMTPSenderRefused", + "SMTPServerDisconnected", + "SMTPTimeoutError", + "SMTPConnectTimeoutError", + "SMTPReadTimeoutError", +) + + +class SMTPException(Exception): + """ + Base class for all SMTP exceptions. + """ + + def __init__(self, message: str) -> None: + self.message = message + self.args = (message,) + + +class SMTPServerDisconnected(SMTPException, ConnectionError): + """ + The connection was lost unexpectedly, or a command was run that requires + a connection. + """ + + +class SMTPConnectError(SMTPException, ConnectionError): + """ + An error occurred while connecting to the SMTP server. + """ + + +class SMTPTimeoutError(SMTPException, TimeoutError): + """ + A timeout occurred while performing a network operation. + """ + + +class SMTPConnectTimeoutError(SMTPTimeoutError, SMTPConnectError): + """ + A timeout occurred while connecting to the SMTP server. + """ + + +class SMTPReadTimeoutError(SMTPTimeoutError): + """ + A timeout occurred while waiting for a response from the SMTP server. + """ + + +class SMTPNotSupported(SMTPException): + """ + A command or argument sent to the SMTP server is not supported. + """ + + +class SMTPResponseException(SMTPException): + """ + Base class for all server responses with error codes. + """ + + def __init__(self, code: int, message: str) -> None: + self.code = code + self.message = message + self.args = (code, message) + + +class SMTPHeloError(SMTPResponseException): + """ + Server refused HELO or EHLO. + """ + + +class SMTPDataError(SMTPResponseException): + """ + Server refused DATA content. + """ + + +class SMTPAuthenticationError(SMTPResponseException): + """ + Server refused our AUTH request; may be caused by invalid credentials. + """ + + +class SMTPSenderRefused(SMTPResponseException): + """ + SMTP server refused the message sender. + """ + + def __init__(self, code: int, message: str, sender: str) -> None: + self.code = code + self.message = message + self.sender = sender + self.args = (code, message, sender) + + +class SMTPRecipientRefused(SMTPResponseException): + """ + SMTP server refused a message recipient. + """ + + def __init__(self, code: int, message: str, recipient: str) -> None: + self.code = code + self.message = message + self.recipient = recipient + self.args = (code, message, recipient) + + +class SMTPRecipientsRefused(SMTPException): + """ + SMTP server refused multiple recipients. + """ + + def __init__(self, recipients: List[SMTPRecipientRefused]) -> None: + self.recipients = recipients + self.args = (recipients,) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/esmtp.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/esmtp.py new file mode 100644 index 0000000..bc222a7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/esmtp.py @@ -0,0 +1,516 @@ +""" +Low level ESMTP command API. +""" +import re +import ssl +from typing import Dict, Iterable, List, Optional, Tuple, Union + +from .connection import SMTPConnection +from .default import Default, _default +from .email import parse_address, quote_address +from .errors import ( + SMTPException, + SMTPHeloError, + SMTPNotSupported, + SMTPRecipientRefused, + SMTPResponseException, + SMTPSenderRefused, + SMTPServerDisconnected, +) +from .response import SMTPResponse +from .status import SMTPStatus + + +__all__ = ("ESMTP",) + + +OLDSTYLE_AUTH_REGEX = re.compile(r"auth=(?P.*)", flags=re.I) +EXTENSIONS_REGEX = re.compile(r"(?P[A-Za-z0-9][A-Za-z0-9\-]*) ?") + + +class ESMTP(SMTPConnection): + """ + Handles individual SMTP and ESMTP commands. + """ + + def __init__(self, *args, **kwargs) -> None: + super().__init__(*args, **kwargs) + + self.last_helo_response = None # type: Optional[SMTPResponse] + self._last_ehlo_response = None # type: Optional[SMTPResponse] + self.esmtp_extensions = {} # type: Dict[str, str] + self.supports_esmtp = False + self.server_auth_methods = [] # type: List[str] + + @property + def last_ehlo_response(self) -> Union[SMTPResponse, None]: + return self._last_ehlo_response + + @last_ehlo_response.setter + def last_ehlo_response(self, response: SMTPResponse) -> None: + """ + When setting the last EHLO response, parse the message for supported + extensions and auth methods. + """ + extensions, auth_methods = parse_esmtp_extensions(response.message) + self._last_ehlo_response = response + self.esmtp_extensions = extensions + self.server_auth_methods = auth_methods + self.supports_esmtp = True + + @property + def is_ehlo_or_helo_needed(self) -> bool: + """ + Check if we've already received a response to an EHLO or HELO command. + """ + return self.last_ehlo_response is None and self.last_helo_response is None + + def close(self) -> None: + """ + Makes sure we reset ESMTP state on close. + """ + super().close() + self._reset_server_state() + + # Base SMTP commands # + + async def helo( + self, hostname: str = None, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + """ + Send the SMTP HELO command. + Hostname to send for this command defaults to the FQDN of the local + host. + + :raises SMTPHeloError: on unexpected server response code + """ + if hostname is None: + hostname = self.source_address + response = await self.execute_command( + b"HELO", hostname.encode("ascii"), timeout=timeout + ) + self.last_helo_response = response + + if response.code != SMTPStatus.completed: + raise SMTPHeloError(response.code, response.message) + + return response + + async def help(self, timeout: Optional[Union[float, Default]] = _default) -> str: + """ + Send the SMTP HELP command, which responds with help text. + + :raises SMTPResponseException: on unexpected server response code + """ + await self._ehlo_or_helo_if_needed() + + response = await self.execute_command(b"HELP", timeout=timeout) + if response.code not in ( + SMTPStatus.system_status_ok, + SMTPStatus.help_message, + SMTPStatus.completed, + ): + raise SMTPResponseException(response.code, response.message) + + return response.message + + async def rset( + self, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + """ + Send an SMTP RSET command, which resets the server's envelope + (the envelope contains the sender, recipient, and mail data). + + :raises SMTPResponseException: on unexpected server response code + """ + await self._ehlo_or_helo_if_needed() + + response = await self.execute_command(b"RSET", timeout=timeout) + if response.code != SMTPStatus.completed: + raise SMTPResponseException(response.code, response.message) + + return response + + async def noop( + self, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + """ + Send an SMTP NOOP command, which does nothing. + + :raises SMTPResponseException: on unexpected server response code + """ + await self._ehlo_or_helo_if_needed() + + response = await self.execute_command(b"NOOP", timeout=timeout) + if response.code != SMTPStatus.completed: + raise SMTPResponseException(response.code, response.message) + + return response + + async def vrfy( + self, + address: str, + options: Optional[Iterable[str]] = None, + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send an SMTP VRFY command, which tests an address for validity. + Not many servers support this command. + + :raises SMTPResponseException: on unexpected server response code + """ + if options is None: + options = [] + + await self._ehlo_or_helo_if_needed() + + parsed_address = parse_address(address) + if any(option.lower() == "smtputf8" for option in options): + if not self.supports_extension("smtputf8"): + raise SMTPNotSupported("SMTPUTF8 is not supported by this server") + addr_bytes = parsed_address.encode("utf-8") + else: + addr_bytes = parsed_address.encode("ascii") + options_bytes = [option.encode("ascii") for option in options] + + response = await self.execute_command( + b"VRFY", addr_bytes, *options_bytes, timeout=timeout + ) + + if response.code not in ( + SMTPStatus.completed, + SMTPStatus.will_forward, + SMTPStatus.cannot_vrfy, + ): + raise SMTPResponseException(response.code, response.message) + + return response + + async def expn( + self, + address: str, + options: Optional[Iterable[str]] = None, + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send an SMTP EXPN command, which expands a mailing list. + Not many servers support this command. + + :raises SMTPResponseException: on unexpected server response code + """ + if options is None: + options = [] + + await self._ehlo_or_helo_if_needed() + + parsed_address = parse_address(address) + if any(option.lower() == "smtputf8" for option in options): + if not self.supports_extension("smtputf8"): + raise SMTPNotSupported("SMTPUTF8 is not supported by this server") + addr_bytes = parsed_address.encode("utf-8") + else: + addr_bytes = parsed_address.encode("ascii") + options_bytes = [option.encode("ascii") for option in options] + + response = await self.execute_command( + b"EXPN", addr_bytes, *options_bytes, timeout=timeout + ) + + if response.code != SMTPStatus.completed: + raise SMTPResponseException(response.code, response.message) + + return response + + async def quit( + self, timeout: Optional[Union[float, Default]] = _default + ) -> SMTPResponse: + """ + Send the SMTP QUIT command, which closes the connection. + Also closes the connection from our side after a response is received. + + :raises SMTPResponseException: on unexpected server response code + """ + # Can't quit without HELO/EHLO + await self._ehlo_or_helo_if_needed() + + response = await self.execute_command(b"QUIT", timeout=timeout) + if response.code != SMTPStatus.closing: + raise SMTPResponseException(response.code, response.message) + + self.close() + + return response + + async def mail( + self, + sender: str, + options: Optional[Iterable[str]] = None, + encoding: str = "ascii", + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send an SMTP MAIL command, which specifies the message sender and + begins a new mail transfer session ("envelope"). + + :raises SMTPSenderRefused: on unexpected server response code + """ + if options is None: + options = [] + + await self._ehlo_or_helo_if_needed() + + quoted_sender = quote_address(sender) + addr_bytes = quoted_sender.encode(encoding) + options_bytes = [option.encode("ascii") for option in options] + + response = await self.execute_command( + b"MAIL", b"FROM:" + addr_bytes, *options_bytes, timeout=timeout + ) + + if response.code != SMTPStatus.completed: + raise SMTPSenderRefused(response.code, response.message, sender) + + return response + + async def rcpt( + self, + recipient: str, + options: Optional[Iterable[str]] = None, + encoding: str = "ascii", + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send an SMTP RCPT command, which specifies a single recipient for + the message. This command is sent once per recipient and must be + preceded by 'MAIL'. + + :raises SMTPRecipientRefused: on unexpected server response code + """ + if options is None: + options = [] + + await self._ehlo_or_helo_if_needed() + + quoted_recipient = quote_address(recipient) + addr_bytes = quoted_recipient.encode(encoding) + options_bytes = [option.encode("ascii") for option in options] + + response = await self.execute_command( + b"RCPT", b"TO:" + addr_bytes, *options_bytes, timeout=timeout + ) + + if response.code not in (SMTPStatus.completed, SMTPStatus.will_forward): + raise SMTPRecipientRefused(response.code, response.message, recipient) + + return response + + async def data( + self, + message: Union[str, bytes], + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send an SMTP DATA command, followed by the message given. + This method transfers the actual email content to the server. + + :raises SMTPDataError: on unexpected server response code + :raises SMTPServerDisconnected: connection lost + """ + await self._ehlo_or_helo_if_needed() + + # As data accesses protocol directly, some handling is required + if self.protocol is None: + raise SMTPServerDisconnected("Connection lost") + + if timeout is _default: + timeout = self.timeout + + if isinstance(message, str): + message = message.encode("ascii") + + return await self.protocol.execute_data_command(message, timeout=timeout) + + # ESMTP commands # + + async def ehlo( + self, + hostname: Optional[str] = None, + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Send the SMTP EHLO command. + Hostname to send for this command defaults to the FQDN of the local + host. + + :raises SMTPHeloError: on unexpected server response code + """ + if hostname is None: + hostname = self.source_address + + response = await self.execute_command( + b"EHLO", hostname.encode("ascii"), timeout=timeout + ) + self.last_ehlo_response = response + + if response.code != SMTPStatus.completed: + raise SMTPHeloError(response.code, response.message) + + return response + + def supports_extension(self, extension: str) -> bool: + """ + Tests if the server supports the ESMTP service extension given. + """ + return extension.lower() in self.esmtp_extensions + + async def _ehlo_or_helo_if_needed(self) -> None: + """ + Call self.ehlo() and/or self.helo() if needed. + + If there has been no previous EHLO or HELO command this session, this + method tries ESMTP EHLO first. + """ + if self.is_ehlo_or_helo_needed: + try: + await self.ehlo() + except SMTPHeloError as exc: + if self.is_connected: + await self.helo() + else: + raise exc + + def _reset_server_state(self) -> None: + """ + Clear stored information about the server. + """ + self.last_helo_response = None + self._last_ehlo_response = None + self.esmtp_extensions = {} + self.supports_esmtp = False + self.server_auth_methods = [] + + async def starttls( + self, + server_hostname: Optional[str] = None, + validate_certs: Optional[bool] = None, + client_cert: Optional[Union[str, Default]] = _default, + client_key: Optional[Union[str, Default]] = _default, + cert_bundle: Optional[Union[str, Default]] = _default, + tls_context: Optional[Union[ssl.SSLContext, Default]] = _default, + timeout: Optional[Union[float, Default]] = _default, + ) -> SMTPResponse: + """ + Puts the connection to the SMTP server into TLS mode. + + If there has been no previous EHLO or HELO command this session, this + method tries ESMTP EHLO first. + + If the server supports TLS, this will encrypt the rest of the SMTP + session. If you provide the keyfile and certfile parameters, + the identity of the SMTP server and client can be checked (if + validate_certs is True). You can also provide a custom SSLContext + object. If no certs or SSLContext is given, and TLS config was + provided when initializing the class, STARTTLS will use to that, + otherwise it will use the Python defaults. + + :raises SMTPException: server does not support STARTTLS + :raises SMTPServerDisconnected: connection lost + :raises ValueError: invalid options provided + """ + await self._ehlo_or_helo_if_needed() + if self.protocol is None: + raise SMTPServerDisconnected("Server not connected") + + self._update_settings_from_kwargs( + validate_certs=validate_certs, + client_cert=client_cert, + client_key=client_key, + cert_bundle=cert_bundle, + tls_context=tls_context, + timeout=timeout, + ) + self._validate_config() + + if server_hostname is None: + server_hostname = self.hostname + + tls_context = self._get_tls_context() + + if not self.supports_extension("starttls"): + raise SMTPException("SMTP STARTTLS extension not supported by server.") + + response = await self.protocol.start_tls( + tls_context, server_hostname=server_hostname, timeout=self.timeout + ) + if self.protocol is None: + raise SMTPServerDisconnected("Connection lost") + # Update our transport reference + self.transport = self.protocol.transport + + # RFC 3207 part 4.2: + # The client MUST discard any knowledge obtained from the server, such + # as the list of SMTP service extensions, which was not obtained from + # the TLS negotiation itself. + self._reset_server_state() + + return response + + +def parse_esmtp_extensions(message: str) -> Tuple[Dict[str, str], List[str]]: + """ + Parse an EHLO response from the server into a dict of {extension: params} + and a list of auth method names. + + It might look something like: + + 220 size.does.matter.af.MIL (More ESMTP than Crappysoft!) + EHLO heaven.af.mil + 250-size.does.matter.af.MIL offers FIFTEEN extensions: + 250-8BITMIME + 250-PIPELINING + 250-DSN + 250-ENHANCEDSTATUSCODES + 250-EXPN + 250-HELP + 250-SAML + 250-SEND + 250-SOML + 250-TURN + 250-XADR + 250-XSTA + 250-ETRN + 250-XGEN + 250 SIZE 51200000 + """ + esmtp_extensions = {} + auth_types = [] # type: List[str] + + response_lines = message.split("\n") + + # ignore the first line + for line in response_lines[1:]: + # To be able to communicate with as many SMTP servers as possible, + # we have to take the old-style auth advertisement into account, + # because: + # 1) Else our SMTP feature parser gets confused. + # 2) There are some servers that only advertise the auth methods we + # support using the old style. + auth_match = OLDSTYLE_AUTH_REGEX.match(line) + if auth_match is not None: + auth_type = auth_match.group("auth") + auth_types.append(auth_type.lower().strip()) + + # RFC 1869 requires a space between ehlo keyword and parameters. + # It's actually stricter, in that only spaces are allowed between + # parameters, but were not going to check for that here. Note + # that the space isn't present if there are no parameters. + extensions = EXTENSIONS_REGEX.match(line) + if extensions is not None: + extension = extensions.group("ext").lower() + params = extensions.string[extensions.end("ext") :].strip() + esmtp_extensions[extension] = params + + if extension == "auth": + auth_types.extend([param.strip().lower() for param in params.split()]) + + return esmtp_extensions, auth_types diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/protocol.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/protocol.py new file mode 100644 index 0000000..8554ac5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/protocol.py @@ -0,0 +1,371 @@ +""" +An ``asyncio.Protocol`` subclass for lower level IO handling. +""" +import asyncio +import re +import ssl +from typing import Callable, Optional, cast + +from .compat import start_tls +from .errors import ( + SMTPDataError, + SMTPReadTimeoutError, + SMTPResponseException, + SMTPServerDisconnected, + SMTPTimeoutError, +) +from .response import SMTPResponse +from .status import SMTPStatus + + +__all__ = ("SMTPProtocol",) + + +MAX_LINE_LENGTH = 8192 +LINE_ENDINGS_REGEX = re.compile(rb"(?:\r\n|\n|\r(?!\n))") +PERIOD_REGEX = re.compile(rb"(?m)^\.") + + +class FlowControlMixin(asyncio.Protocol): + """ + Reusable flow control logic for StreamWriter.drain(). + This implements the protocol methods pause_writing(), + resume_writing() and connection_lost(). If the subclass overrides + these it must call the super methods. + StreamWriter.drain() must wait for _drain_helper() coroutine. + + Copied from stdlib as per recommendation: https://bugs.python.org/msg343685. + Logging and asserts removed, type annotations added. + """ + + def __init__(self, loop: Optional[asyncio.AbstractEventLoop] = None): + if loop is None: + self._loop = asyncio.get_event_loop() + else: + self._loop = loop + self._paused = False + self._drain_waiter = None # type: Optional[asyncio.Future[None]] + self._connection_lost = False + + def pause_writing(self) -> None: + self._paused = True + + def resume_writing(self) -> None: + self._paused = False + + waiter = self._drain_waiter + if waiter is not None: + self._drain_waiter = None + if not waiter.done(): + waiter.set_result(None) + + def connection_lost(self, exc) -> None: + self._connection_lost = True + # Wake up the writer if currently paused. + if not self._paused: + return + waiter = self._drain_waiter + if waiter is None: + return + self._drain_waiter = None + if waiter.done(): + return + if exc is None: + waiter.set_result(None) + else: + waiter.set_exception(exc) + + async def _drain_helper(self) -> None: + if self._connection_lost: + raise ConnectionResetError("Connection lost") + if not self._paused: + return + waiter = self._drain_waiter + waiter = self._loop.create_future() + self._drain_waiter = waiter + await waiter + + def _get_close_waiter(self, stream: asyncio.StreamWriter) -> asyncio.Future: + raise NotImplementedError + + +class SMTPProtocol(FlowControlMixin, asyncio.Protocol): + def __init__( + self, + loop: Optional[asyncio.AbstractEventLoop] = None, + connection_lost_callback: Optional[Callable] = None, + ) -> None: + super().__init__(loop=loop) + self._over_ssl = False + self._buffer = bytearray() + self._response_waiter = None # type: Optional[asyncio.Future[SMTPResponse]] + self._connection_lost_callback = connection_lost_callback + self._connection_lost_waiter = None # type: Optional[asyncio.Future[None]] + + self.transport = None # type: Optional[asyncio.Transport] + self._command_lock = None # type: Optional[asyncio.Lock] + self._closed = self._loop.create_future() # type: asyncio.Future[None] + + def __del__(self): + waiters = (self._response_waiter, self._connection_lost_waiter) + for waiter in filter(None, waiters): + if waiter.done() and not waiter.cancelled(): + # Avoid 'Future exception was never retrieved' warnings + waiter.exception() + + def _get_close_waiter(self, stream: asyncio.StreamWriter) -> asyncio.Future: + return self._closed + + @property + def is_connected(self) -> bool: + """ + Check if our transport is still connected. + """ + return bool(self.transport is not None and not self.transport.is_closing()) + + def connection_made(self, transport: asyncio.BaseTransport) -> None: + self.transport = cast(asyncio.Transport, transport) + self._over_ssl = transport.get_extra_info("sslcontext") is not None + self._response_waiter = self._loop.create_future() + self._command_lock = asyncio.Lock() + + if self._connection_lost_callback is not None: + self._connection_lost_waiter = self._loop.create_future() + self._connection_lost_waiter.add_done_callback( + self._connection_lost_callback + ) + + def connection_lost(self, exc: Optional[Exception]) -> None: + super().connection_lost(exc) + + smtp_exc = SMTPServerDisconnected("Connection lost") + if exc: + smtp_exc.__cause__ = exc + + if self._response_waiter and not self._response_waiter.done(): + self._response_waiter.set_exception(smtp_exc) + + if self._connection_lost_waiter and not self._connection_lost_waiter.done(): + if exc: + self._connection_lost_waiter.set_exception(smtp_exc) + else: + self._connection_lost_waiter.set_result(None) + + self.transport = None + self._command_lock = None + + def data_received(self, data: bytes) -> None: + if self._response_waiter is None: + raise RuntimeError( + "data_received called without a response waiter set: {!r}".format(data) + ) + elif self._response_waiter.done(): + # We got a response without issuing a command; ignore it. + return + + self._buffer.extend(data) + + # If we got an obvious partial message, don't try to parse the buffer + last_linebreak = data.rfind(b"\n") + if ( + last_linebreak == -1 + or data[last_linebreak + 3 : last_linebreak + 4] == b"-" + ): + return + + try: + response = self._read_response_from_buffer() + except Exception as exc: + self._response_waiter.set_exception(exc) + else: + if response is not None: + self._response_waiter.set_result(response) + + def eof_received(self) -> bool: + exc = SMTPServerDisconnected("Unexpected EOF received") + if self._response_waiter and not self._response_waiter.done(): + self._response_waiter.set_exception(exc) + if self._connection_lost_waiter and not self._connection_lost_waiter.done(): + self._connection_lost_waiter.set_exception(exc) + + # Returning false closes the transport + return False + + def _read_response_from_buffer(self) -> Optional[SMTPResponse]: + """Parse the actual response (if any) from the data buffer""" + code = -1 + message = bytearray() + offset = 0 + message_complete = False + + while True: + line_end_index = self._buffer.find(b"\n", offset) + if line_end_index == -1: + break + + line = bytes(self._buffer[offset : line_end_index + 1]) + + if len(line) > MAX_LINE_LENGTH: + raise SMTPResponseException( + SMTPStatus.unrecognized_command, "Response too long" + ) + + try: + code = int(line[:3]) + except ValueError: + raise SMTPResponseException( + SMTPStatus.invalid_response.value, + "Malformed SMTP response line: {!r}".format(line), + ) from None + + offset += len(line) + if len(message): + message.extend(b"\n") + message.extend(line[4:].strip(b" \t\r\n")) + if line[3:4] != b"-": + message_complete = True + break + + if message_complete: + response = SMTPResponse( + code, bytes(message).decode("utf-8", "surrogateescape") + ) + del self._buffer[:offset] + return response + else: + return None + + async def read_response(self, timeout: Optional[float] = None) -> SMTPResponse: + """ + Get a status response from the server. + + This method must be awaited once per command sent; if multiple commands + are written to the transport without awaiting, response data will be lost. + + Returns an :class:`.response.SMTPResponse` namedtuple consisting of: + - server response code (e.g. 250, or such, if all goes well) + - server response string (multiline responses are converted to a + single, multiline string). + """ + if self._response_waiter is None: + raise SMTPServerDisconnected("Connection lost") + + try: + result = await asyncio.wait_for( + self._response_waiter, timeout + ) # type: SMTPResponse + except asyncio.TimeoutError as exc: + raise SMTPReadTimeoutError("Timed out waiting for server response") from exc + finally: + # If we were disconnected, don't create a new waiter + if self.transport is None: + self._response_waiter = None + else: + self._response_waiter = self._loop.create_future() + + return result + + def write(self, data: bytes) -> None: + if self.transport is None or self.transport.is_closing(): + raise SMTPServerDisconnected("Connection lost") + + self.transport.write(data) + + async def execute_command( + self, *args: bytes, timeout: Optional[float] = None + ) -> SMTPResponse: + """ + Sends an SMTP command along with any args to the server, and returns + a response. + """ + if self._command_lock is None: + raise SMTPServerDisconnected("Server not connected") + command = b" ".join(args) + b"\r\n" + + async with self._command_lock: + self.write(command) + response = await self.read_response(timeout=timeout) + + return response + + async def execute_data_command( + self, message: bytes, timeout: Optional[float] = None + ) -> SMTPResponse: + """ + Sends an SMTP DATA command to the server, followed by encoded message content. + + Automatically quotes lines beginning with a period per RFC821. + Lone \\\\r and \\\\n characters are converted to \\\\r\\\\n + characters. + """ + if self._command_lock is None: + raise SMTPServerDisconnected("Server not connected") + + message = LINE_ENDINGS_REGEX.sub(b"\r\n", message) + message = PERIOD_REGEX.sub(b"..", message) + if not message.endswith(b"\r\n"): + message += b"\r\n" + message += b".\r\n" + + async with self._command_lock: + self.write(b"DATA\r\n") + start_response = await self.read_response(timeout=timeout) + if start_response.code != SMTPStatus.start_input: + raise SMTPDataError(start_response.code, start_response.message) + + self.write(message) + response = await self.read_response(timeout=timeout) + if response.code != SMTPStatus.completed: + raise SMTPDataError(response.code, response.message) + + return response + + async def start_tls( + self, + tls_context: ssl.SSLContext, + server_hostname: Optional[str] = None, + timeout: Optional[float] = None, + ) -> SMTPResponse: + """ + Puts the connection to the SMTP server into TLS mode. + """ + if self._over_ssl: + raise RuntimeError("Already using TLS.") + if self._command_lock is None: + raise SMTPServerDisconnected("Server not connected") + + async with self._command_lock: + self.write(b"STARTTLS\r\n") + response = await self.read_response(timeout=timeout) + if response.code != SMTPStatus.ready: + raise SMTPResponseException(response.code, response.message) + + # Check for disconnect after response + if self.transport is None or self.transport.is_closing(): + raise SMTPServerDisconnected("Connection lost") + + try: + tls_transport = await start_tls( + self._loop, + self.transport, + self, + tls_context, + server_side=False, + server_hostname=server_hostname, + ssl_handshake_timeout=timeout, + ) + except asyncio.TimeoutError as exc: + raise SMTPTimeoutError("Timed out while upgrading transport") from exc + # SSLProtocol only raises ConnectionAbortedError on timeout + except ConnectionAbortedError as exc: + raise SMTPTimeoutError(exc.args[0]) from exc + except ConnectionResetError as exc: + if exc.args: + message = exc.args[0] + else: + message = "Connection was reset while upgrading transport" + raise SMTPServerDisconnected(message) from exc + + self.transport = tls_transport + + return response diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/py.typed b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/py.typed new file mode 100644 index 0000000..527f735 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/py.typed @@ -0,0 +1 @@ +This file exists to help mypy (and other tools) find inline type hints. See PR #141 and PEP 561. diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/response.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/response.py new file mode 100644 index 0000000..7bf69d8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/response.py @@ -0,0 +1,35 @@ +""" +SMTPResponse class, a simple namedtuple of (code, message). +""" +from typing import NamedTuple + + +__all__ = ("SMTPResponse",) + + +BaseResponse = NamedTuple("BaseResponse", [("code", int), ("message", str)]) + + +class SMTPResponse(BaseResponse): + """ + NamedTuple of server response code and server response message. + + ``code`` and ``message`` can be accessed via attributes or indexes: + + >>> response = SMTPResponse(200, "OK") + >>> response.message + 'OK' + >>> response[0] + 200 + >>> response.code + 200 + + """ + + __slots__ = () + + def __repr__(self) -> str: + return "({self.code}, {self.message})".format(self=self) + + def __str__(self) -> str: + return "{self.code} {self.message}".format(self=self) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/smtp.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/smtp.py new file mode 100644 index 0000000..047a688 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/smtp.py @@ -0,0 +1,328 @@ +""" +Main SMTP client class. + +Implementation is split into the following parent classes: + + * :class:`.auth.SMTPAuth` - login and authentication methods + * :class:`.esmtp.ESMTP` - ESMTP command support + * :class:`.connection.SMTPConnection` - connection handling +""" +import asyncio +import email.message +from typing import Dict, Iterable, Optional, Sequence, Tuple, Union + +from .auth import SMTPAuth +from .connection import SMTPConnection +from .default import Default, _default +from .email import extract_recipients, extract_sender, flatten_message +from .errors import ( + SMTPNotSupported, + SMTPRecipientRefused, + SMTPRecipientsRefused, + SMTPResponseException, +) +from .response import SMTPResponse +from .sync import async_to_sync + + +__all__ = ("SMTP",) + + +class SMTP(SMTPAuth): + """ + Main SMTP client class. + + Basic usage: + + >>> loop = asyncio.get_event_loop() + >>> smtp = aiosmtplib.SMTP(hostname="127.0.0.1", port=1025) + >>> loop.run_until_complete(smtp.connect()) + (220, ...) + >>> sender = "root@localhost" + >>> recipients = ["somebody@localhost"] + >>> message = "Hello World" + >>> send = smtp.sendmail(sender, recipients, "Hello World") + >>> loop.run_until_complete(send) + ({}, 'OK') + """ + + def __init__(self, *args, **kwargs) -> None: + super().__init__(*args, **kwargs) + + self._sendmail_lock = None # type: Optional[asyncio.Lock] + + # Hack to make Sphinx find the SMTPConnection docstring + __init__.__doc__ = SMTPConnection.__init__.__doc__ + + async def sendmail( + self, + sender: str, + recipients: Union[str, Sequence[str]], + message: Union[str, bytes], + mail_options: Optional[Iterable[str]] = None, + rcpt_options: Optional[Iterable[str]] = None, + timeout: Optional[Union[float, Default]] = _default, + ) -> Tuple[Dict[str, SMTPResponse], str]: + """ + This command performs an entire mail transaction. + + The arguments are: + - sender: The address sending this mail. + - recipients: A list of addresses to send this mail to. A bare + string will be treated as a list with 1 address. + - message: The message string to send. + - mail_options: List of options (such as ESMTP 8bitmime) for the + MAIL command. + - rcpt_options: List of options (such as DSN commands) for all the + RCPT commands. + + message must be a string containing characters in the ASCII range. + The string is encoded to bytes using the ascii codec, and lone \\\\r + and \\\\n characters are converted to \\\\r\\\\n characters. + + If there has been no previous HELO or EHLO command this session, this + method tries EHLO first. + + This method will return normally if the mail is accepted for at least + one recipient. It returns a tuple consisting of: + + - an error dictionary, with one entry for each recipient that was + refused. Each entry contains a tuple of the SMTP error code + and the accompanying error message sent by the server. + - the message sent by the server in response to the DATA command + (often containing a message id) + + Example: + + >>> loop = asyncio.get_event_loop() + >>> smtp = aiosmtplib.SMTP(hostname="127.0.0.1", port=1025) + >>> loop.run_until_complete(smtp.connect()) + (220, ...) + >>> recipients = ["one@one.org", "two@two.org", "3@three.org"] + >>> message = "From: Me@my.org\\nSubject: testing\\nHello World" + >>> send_coro = smtp.sendmail("me@my.org", recipients, message) + >>> loop.run_until_complete(send_coro) + ({}, 'OK') + >>> loop.run_until_complete(smtp.quit()) + (221, Bye) + + In the above example, the message was accepted for delivery for all + three addresses. If delivery had been only successful to two + of the three addresses, and one was rejected, the response would look + something like:: + + ( + {"nobody@three.org": (550, "User unknown")}, + "Written safely to disk. #902487694.289148.12219.", + ) + + + If delivery is not successful to any addresses, + :exc:`.SMTPRecipientsRefused` is raised. + + If :exc:`.SMTPResponseException` is raised by this method, we try to + send an RSET command to reset the server envelope automatically for + the next attempt. + + :raises SMTPRecipientsRefused: delivery to all recipients failed + :raises SMTPResponseException: on invalid response + """ + if isinstance(recipients, str): + recipients = [recipients] + if mail_options is None: + mail_options = [] + else: + mail_options = list(mail_options) + if rcpt_options is None: + rcpt_options = [] + else: + rcpt_options = list(rcpt_options) + + if any(option.lower() == "smtputf8" for option in mail_options): + mailbox_encoding = "utf-8" + else: + mailbox_encoding = "ascii" + + if self._sendmail_lock is None: + self._sendmail_lock = asyncio.Lock() + + async with self._sendmail_lock: + # Make sure we've done an EHLO for extension checks + await self._ehlo_or_helo_if_needed() + + if mailbox_encoding == "utf-8" and not self.supports_extension("smtputf8"): + raise SMTPNotSupported("SMTPUTF8 is not supported by this server") + + if self.supports_extension("size"): + size_option = "size={}".format(len(message)) + mail_options.insert(0, size_option) + + try: + await self.mail( + sender, + options=mail_options, + encoding=mailbox_encoding, + timeout=timeout, + ) + recipient_errors = await self._send_recipients( + recipients, rcpt_options, encoding=mailbox_encoding, timeout=timeout + ) + response = await self.data(message, timeout=timeout) + except (SMTPResponseException, SMTPRecipientsRefused) as exc: + # If we got an error, reset the envelope. + try: + await self.rset(timeout=timeout) + except (ConnectionError, SMTPResponseException): + # If we're disconnected on the reset, or we get a bad + # status, don't raise that as it's confusing + pass + raise exc + + return recipient_errors, response.message + + async def _send_recipients( + self, + recipients: Sequence[str], + options: Iterable[str], + encoding: str = "ascii", + timeout: Optional[Union[float, Default]] = _default, + ) -> Dict[str, SMTPResponse]: + """ + Send the recipients given to the server. Used as part of + :meth:`.sendmail`. + """ + recipient_errors = [] + for address in recipients: + try: + await self.rcpt( + address, options=options, encoding=encoding, timeout=timeout + ) + except SMTPRecipientRefused as exc: + recipient_errors.append(exc) + + if len(recipient_errors) == len(recipients): + raise SMTPRecipientsRefused(recipient_errors) + + formatted_errors = { + err.recipient: SMTPResponse(err.code, err.message) + for err in recipient_errors + } + + return formatted_errors + + async def send_message( + self, + message: Union[email.message.EmailMessage, email.message.Message], + sender: Optional[str] = None, + recipients: Optional[Union[str, Sequence[str]]] = None, + mail_options: Optional[Iterable[str]] = None, + rcpt_options: Optional[Iterable[str]] = None, + timeout: Optional[Union[float, Default]] = _default, + ) -> Tuple[Dict[str, SMTPResponse], str]: + r""" + Sends an :py:class:`email.message.EmailMessage` object. + + Arguments are as for :meth:`.sendmail`, except that message is an + :py:class:`email.message.EmailMessage` object. If sender is None or + recipients is None, these arguments are taken from the headers of the + EmailMessage as described in RFC 2822. Regardless of the values of sender + and recipients, any Bcc field (or Resent-Bcc field, when the message is a + resent) of the EmailMessage object will not be transmitted. The EmailMessage + object is then serialized using :py:class:`email.generator.Generator` and + :meth:`.sendmail` is called to transmit the message. + + 'Resent-Date' is a mandatory field if the message is resent (RFC 2822 + Section 3.6.6). In such a case, we use the 'Resent-\*' fields. + However, if there is more than one 'Resent-' block there's no way to + unambiguously determine which one is the most recent in all cases, + so rather than guess we raise a ``ValueError`` in that case. + + :raises ValueError: + on more than one Resent header block + on no sender kwarg or From header in message + on no recipients kwarg or To, Cc or Bcc header in message + :raises SMTPRecipientsRefused: delivery to all recipients failed + :raises SMTPResponseException: on invalid response + """ + if mail_options is None: + mail_options = [] + else: + mail_options = list(mail_options) + + if sender is None: + sender = extract_sender(message) + if sender is None: + raise ValueError("No From header provided in message") + + if isinstance(recipients, str): + recipients = [recipients] + elif recipients is None: + recipients = extract_recipients(message) + if not recipients: + raise ValueError("No recipient headers provided in message") + + # Make sure we've done an EHLO for extension checks + await self._ehlo_or_helo_if_needed() + + try: + sender.encode("ascii") + "".join(recipients).encode("ascii") + except UnicodeEncodeError: + utf8_required = True + else: + utf8_required = False + + if utf8_required: + if not self.supports_extension("smtputf8"): + raise SMTPNotSupported( + "An address containing non-ASCII characters was provided, but " + "SMTPUTF8 is not supported by this server" + ) + elif "smtputf8" not in [option.lower() for option in mail_options]: + mail_options.append("SMTPUTF8") + + if self.supports_extension("8BITMIME"): + if "body=8bitmime" not in [option.lower() for option in mail_options]: + mail_options.append("BODY=8BITMIME") + cte_type = "8bit" + else: + cte_type = "7bit" + + flat_message = flatten_message(message, utf8=utf8_required, cte_type=cte_type) + + return await self.sendmail( + sender, + recipients, + flat_message, + mail_options=mail_options, + rcpt_options=rcpt_options, + timeout=timeout, + ) + + def sendmail_sync(self, *args, **kwargs) -> Tuple[Dict[str, SMTPResponse], str]: + """ + Synchronous version of :meth:`.sendmail`. This method starts + the event loop to connect, send the message, and disconnect. + """ + + async def sendmail_coroutine(): + async with self: + result = await self.sendmail(*args, **kwargs) + + return result + + return async_to_sync(sendmail_coroutine(), loop=self.loop) + + def send_message_sync(self, *args, **kwargs) -> Tuple[Dict[str, SMTPResponse], str]: + """ + Synchronous version of :meth:`.send_message`. This method + starts the event loop to connect, send the message, and disconnect. + """ + + async def send_message_coroutine(): + async with self: + result = await self.send_message(*args, **kwargs) + + return result + + return async_to_sync(send_message_coroutine(), loop=self.loop) diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/status.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/status.py new file mode 100644 index 0000000..22ce78a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/status.py @@ -0,0 +1,47 @@ +""" +SMTP status codes. +""" +import enum + + +__all__ = ("SMTPStatus",) + + +@enum.unique +class SMTPStatus(enum.IntEnum): + """ + Defines SMTP statuses for code readability. + + See also: http://www.greenend.org.uk/rjk/tech/smtpreplies.html + """ + + invalid_response = -1 + system_status_ok = 211 + help_message = 214 + ready = 220 + closing = 221 + auth_successful = 235 + completed = 250 + will_forward = 251 + cannot_vrfy = 252 + auth_continue = 334 + start_input = 354 + domain_unavailable = 421 + mailbox_unavailable = 450 + error_processing = 451 + insufficient_storage = 452 + tls_not_available = 454 + unrecognized_command = 500 + unrecognized_parameters = 501 + command_not_implemented = 502 + bad_command_sequence = 503 + parameter_not_implemented = 504 + domain_does_not_accept_mail = 521 + access_denied = 530 # Sendmail specific + auth_failed = 535 + mailbox_does_not_exist = 550 + user_not_local = 551 + storage_exceeded = 552 + mailbox_name_invalid = 553 + transaction_failed = 554 + syntax_error = 555 diff --git a/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/sync.py b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/sync.py new file mode 100644 index 0000000..729386a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/aiosmtplib/sync.py @@ -0,0 +1,60 @@ +""" +Synchronous execution helpers. +""" +import asyncio +from typing import Any, Awaitable, Optional + +from .compat import PY36_OR_LATER, all_tasks + + +__all__ = ("async_to_sync", "shutdown_loop") + + +def async_to_sync( + coro: Awaitable, loop: Optional[asyncio.AbstractEventLoop] = None +) -> Any: + if loop is None: + loop = asyncio.get_event_loop() + + if loop.is_running(): + raise RuntimeError("Event loop is already running.") + + result = loop.create_future() + + try: + loop.run_until_complete(_await_with_future(coro, result)) + finally: + shutdown_loop(loop) + + return result.result() + + +async def _await_with_future(coro: Awaitable, future: asyncio.Future) -> None: + try: + result = await coro + except Exception as exc: + future.set_exception(exc) + else: + future.set_result(result) + + +def shutdown_loop(loop: asyncio.AbstractEventLoop, timeout: float = 1.0) -> None: + """ + Do the various dances to gently shutdown an event loop. + """ + tasks = all_tasks(loop=loop) + if tasks: + for task in tasks: + task.cancel() + try: + loop.run_until_complete(asyncio.wait(tasks, timeout=timeout)) + except RuntimeError: + pass + + if not loop.is_closed(): + if PY36_OR_LATER: + loop.run_until_complete(loop.shutdown_asyncgens()) + + loop.call_soon(loop.stop) + loop.run_forever() + loop.close() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/LICENSE new file mode 100644 index 0000000..104eebf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/LICENSE @@ -0,0 +1,20 @@ +The MIT License (MIT) + +Copyright (c) 2018 Alex Grönholm + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/METADATA new file mode 100644 index 0000000..349d9d7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/METADATA @@ -0,0 +1,102 @@ +Metadata-Version: 2.1 +Name: anyio +Version: 3.3.0 +Summary: High level compatibility layer for multiple asynchronous event loop implementations +Home-page: UNKNOWN +Author: Alex Grönholm +Author-email: alex.gronholm@nextday.fi +License: MIT +Project-URL: Documentation, https://anyio.readthedocs.io/en/latest/ +Project-URL: Source code, https://github.com/agronholm/anyio +Project-URL: Issue tracker, https://github.com/agronholm/anyio/issues +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Requires-Python: >=3.6.2 +License-File: LICENSE +Requires-Dist: idna (>=2.8) +Requires-Dist: sniffio (>=1.1) +Requires-Dist: dataclasses ; python_version < "3.7" +Requires-Dist: typing-extensions ; python_version < "3.8" +Provides-Extra: doc +Requires-Dist: sphinx-rtd-theme ; extra == 'doc' +Requires-Dist: sphinx-autodoc-typehints (>=1.2.0) ; extra == 'doc' +Provides-Extra: test +Requires-Dist: coverage[toml] (>=4.5) ; extra == 'test' +Requires-Dist: hypothesis (>=4.0) ; extra == 'test' +Requires-Dist: pytest (>=6.0) ; extra == 'test' +Requires-Dist: pytest-mock (>=3.6.1) ; extra == 'test' +Requires-Dist: trustme ; extra == 'test' +Requires-Dist: uvloop (<0.15) ; (python_version < "3.7" and (platform_python_implementation == "CPython" and platform_system != "Windows")) and extra == 'test' +Requires-Dist: mock (>=4) ; (python_version < "3.8") and extra == 'test' +Requires-Dist: uvloop (>=0.15) ; (python_version >= "3.7" and (platform_python_implementation == "CPython" and platform_system != "Windows")) and extra == 'test' +Provides-Extra: trio +Requires-Dist: trio (>=0.16) ; extra == 'trio' + +.. image:: https://github.com/agronholm/anyio/workflows/Python%20codeqa/test/badge.svg?branch=master + :target: https://github.com/agronholm/anyio/actions?query=workflow%3A%22Python+codeqa%2Ftest%22+branch%3Amaster + :alt: Build Status +.. image:: https://coveralls.io/repos/github/agronholm/anyio/badge.svg?branch=master + :target: https://coveralls.io/github/agronholm/anyio?branch=master + :alt: Code Coverage +.. image:: https://readthedocs.org/projects/anyio/badge/?version=latest + :target: https://anyio.readthedocs.io/en/latest/?badge=latest + :alt: Documentation +.. image:: https://badges.gitter.im/gitterHQ/gitter.svg + :target: https://gitter.im/python-trio/AnyIO + :alt: Gitter chat + +AnyIO is an asynchronous networking and concurrency library that works on top of either asyncio_ or +trio_. It implements trio-like `structured concurrency`_ (SC) on top of asyncio, and works in harmony +with the native SC of trio itself. + +Applications and libraries written against AnyIO's API will run unmodified on either asyncio_ or +trio_. AnyIO can also be adopted into a library or application incrementally – bit by bit, no full +refactoring necessary. It will blend in with native libraries of your chosen backend. + +Documentation +------------- + +View full documentation at: https://anyio.readthedocs.io/ + +Features +-------- + +AnyIO offers the following functionality: + +* Task groups (nurseries_ in trio terminology) +* High level networking (TCP, UDP and UNIX sockets) + + * `Happy eyeballs`_ algorithm for TCP connections (more robust than that of asyncio on Python + 3.8) + * async/await style UDP sockets (unlike asyncio where you still have to use Transports and + Protocols) + +* A versatile API for byte streams and object streams +* Inter-task synchronization and communication (locks, conditions, events, semaphores, object + streams) +* Worker threads +* Subprocesses +* Asynchronous file I/O (using worker threads) +* Signal handling + +AnyIO also comes with its own pytest_ plugin which also supports asynchronous fixtures. +It even works with the popular Hypothesis_ library. + +.. _asyncio: https://docs.python.org/3/library/asyncio.html +.. _trio: https://github.com/python-trio/trio +.. _structured concurrency: https://en.wikipedia.org/wiki/Structured_concurrency +.. _nurseries: https://trio.readthedocs.io/en/stable/reference-core.html#nurseries-and-spawning +.. _Happy eyeballs: https://en.wikipedia.org/wiki/Happy_Eyeballs +.. _pytest: https://docs.pytest.org/en/latest/ +.. _Hypothesis: https://hypothesis.works/ + + diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/RECORD new file mode 100644 index 0000000..5fbae47 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/RECORD @@ -0,0 +1,83 @@ +anyio-3.3.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +anyio-3.3.0.dist-info/LICENSE,sha256=U2GsncWPLvX9LpsJxoKXwX8ElQkJu8gCO9uC6s8iwrA,1081 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b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/entry_points.txt new file mode 100644 index 0000000..1740df0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[pytest11] +anyio = anyio.pytest_plugin + diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/top_level.txt new file mode 100644 index 0000000..c77c069 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio-3.3.0.dist-info/top_level.txt @@ -0,0 +1 @@ +anyio diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/__init__.py b/backend/mb-env/lib/python3.9/site-packages/anyio/__init__.py new file mode 100644 index 0000000..11673a4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/__init__.py @@ -0,0 +1,112 @@ +__all__ = ( + 'maybe_async', + 'maybe_async_cm', + 'run', + 'sleep', + 'sleep_forever', + 'sleep_until', + 'current_time', + 'get_all_backends', + 'get_cancelled_exc_class', + 'BrokenResourceError', + 'BrokenWorkerProcess', + 'BusyResourceError', + 'ClosedResourceError', + 'DelimiterNotFound', + 'EndOfStream', + 'ExceptionGroup', + 'IncompleteRead', + 'TypedAttributeLookupError', + 'WouldBlock', + 'AsyncFile', + 'Path', + 'open_file', + 'wrap_file', + 'aclose_forcefully', + 'open_signal_receiver', + 'connect_tcp', + 'connect_unix', + 'create_tcp_listener', + 'create_unix_listener', + 'create_udp_socket', + 'create_connected_udp_socket', + 'getaddrinfo', + 'getnameinfo', + 'wait_socket_readable', + 'wait_socket_writable', + 'create_memory_object_stream', + 'run_process', + 'open_process', + 'create_lock', + 'CapacityLimiter', + 'CapacityLimiterStatistics', + 'Condition', + 'ConditionStatistics', + 'Event', + 'EventStatistics', + 'Lock', + 'LockStatistics', + 'Semaphore', + 'SemaphoreStatistics', + 'create_condition', + 'create_event', + 'create_semaphore', + 'create_capacity_limiter', + 'open_cancel_scope', + 'fail_after', + 'move_on_after', + 'current_effective_deadline', + 'TASK_STATUS_IGNORED', + 'CancelScope', + 'create_task_group', + 'TaskInfo', + 'get_current_task', + 'get_running_tasks', + 'wait_all_tasks_blocked', + 'run_sync_in_worker_thread', + 'run_async_from_thread', + 'run_sync_from_thread', + 'current_default_worker_thread_limiter', + 'create_blocking_portal', + 'start_blocking_portal', + 'typed_attribute', + 'TypedAttributeSet', + 'TypedAttributeProvider' +) + +from ._core._compat import maybe_async, maybe_async_cm +from ._core._eventloop import ( + current_time, get_all_backends, get_cancelled_exc_class, run, sleep, sleep_forever, + sleep_until) +from ._core._exceptions import ( + BrokenResourceError, BrokenWorkerProcess, BusyResourceError, ClosedResourceError, + DelimiterNotFound, EndOfStream, ExceptionGroup, IncompleteRead, TypedAttributeLookupError, + WouldBlock) +from ._core._fileio import AsyncFile, Path, open_file, wrap_file +from ._core._resources import aclose_forcefully +from ._core._signals import open_signal_receiver +from ._core._sockets import ( + connect_tcp, connect_unix, create_connected_udp_socket, create_tcp_listener, create_udp_socket, + create_unix_listener, getaddrinfo, getnameinfo, wait_socket_readable, wait_socket_writable) +from ._core._streams import create_memory_object_stream +from ._core._subprocesses import open_process, run_process +from ._core._synchronization import ( + CapacityLimiter, CapacityLimiterStatistics, Condition, ConditionStatistics, Event, + EventStatistics, Lock, LockStatistics, Semaphore, SemaphoreStatistics, create_capacity_limiter, + create_condition, create_event, create_lock, create_semaphore) +from ._core._tasks import ( + TASK_STATUS_IGNORED, CancelScope, create_task_group, current_effective_deadline, fail_after, + move_on_after, open_cancel_scope) +from ._core._testing import TaskInfo, get_current_task, get_running_tasks, wait_all_tasks_blocked +from ._core._typedattr import TypedAttributeProvider, TypedAttributeSet, typed_attribute + +# Re-exported here, for backwards compatibility +# isort: off +from .to_thread import current_default_worker_thread_limiter, run_sync_in_worker_thread +from .from_thread import ( + create_blocking_portal, run_async_from_thread, run_sync_from_thread, start_blocking_portal) + +# Re-export imports so they look like they live directly in this package +for key, value in list(locals().items()): + if getattr(value, '__module__', '').startswith('anyio.'): + value.__module__ = __name__ diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/__init__.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_asyncio.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_asyncio.py new file mode 100644 index 0000000..4058ec3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_asyncio.py @@ -0,0 +1,1898 @@ +import array +import asyncio +import concurrent.futures +import math +import socket +import sys +from asyncio.base_events import _run_until_complete_cb # type: ignore +from collections import OrderedDict, deque +from concurrent.futures import Future +from dataclasses import dataclass +from functools import partial, wraps +from inspect import ( + CORO_RUNNING, CORO_SUSPENDED, GEN_RUNNING, GEN_SUSPENDED, getcoroutinestate, getgeneratorstate) +from io import IOBase +from os import PathLike +from queue import Queue +from socket import AddressFamily, SocketKind +from threading import Thread +from types import TracebackType +from typing import ( + Any, Awaitable, Callable, Collection, Coroutine, Deque, Dict, Generator, Iterable, List, + Mapping, Optional, Sequence, Set, Tuple, Type, TypeVar, Union, cast) +from weakref import WeakKeyDictionary + +from .. import CapacityLimiterStatistics, EventStatistics, TaskInfo, abc +from .._core._compat import DeprecatedAsyncContextManager, DeprecatedAwaitable +from .._core._eventloop import claim_worker_thread, threadlocals +from .._core._exceptions import ( + BrokenResourceError, BusyResourceError, ClosedResourceError, EndOfStream) +from .._core._exceptions import ExceptionGroup as BaseExceptionGroup +from .._core._exceptions import WouldBlock +from .._core._sockets import GetAddrInfoReturnType, convert_ipv6_sockaddr +from .._core._synchronization import CapacityLimiter as BaseCapacityLimiter +from .._core._synchronization import Event as BaseEvent +from .._core._synchronization import ResourceGuard +from .._core._tasks import CancelScope as BaseCancelScope +from ..abc import IPSockAddrType, UDPPacketType +from ..lowlevel import RunVar + +if sys.version_info >= (3, 8): + get_coro = asyncio.Task.get_coro +else: + def get_coro(task: asyncio.Task) -> Union[Coroutine, Generator]: + return task._coro + +if sys.version_info >= (3, 7): + from asyncio import all_tasks, create_task, current_task, get_running_loop + from asyncio import run as native_run + + def _get_task_callbacks(task: asyncio.Task) -> Iterable[Callable]: + return [cb for cb, context in task._callbacks] # type: ignore +else: + _T = TypeVar('_T') + + def _get_task_callbacks(task: asyncio.Task) -> Iterable[Callable]: + return task._callbacks + + def native_run(main, *, debug=False): + # Snatched from Python 3.7 + from asyncio import coroutines, events, tasks + + def _cancel_all_tasks(loop): + to_cancel = all_tasks(loop) + if not to_cancel: + return + + for task in to_cancel: + task.cancel() + + loop.run_until_complete( + tasks.gather(*to_cancel, loop=loop, return_exceptions=True)) + + for task in to_cancel: + if task.cancelled(): + continue + if task.exception() is not None: + loop.call_exception_handler({ + 'message': 'unhandled exception during asyncio.run() shutdown', + 'exception': task.exception(), + 'task': task, + }) + + if events._get_running_loop() is not None: + raise RuntimeError( + "asyncio.run() cannot be called from a running event loop") + + if not coroutines.iscoroutine(main): + raise ValueError("a coroutine was expected, got {!r}".format(main)) + + loop = events.new_event_loop() + try: + events.set_event_loop(loop) + loop.set_debug(debug) + return loop.run_until_complete(main) + finally: + try: + _cancel_all_tasks(loop) + loop.run_until_complete(loop.shutdown_asyncgens()) + finally: + events.set_event_loop(None) + loop.close() + + def create_task(coro: Union[Generator[Any, None, _T], Awaitable[_T]], *, + name: object = None) -> asyncio.Task: + return get_running_loop().create_task(coro) + + def get_running_loop() -> asyncio.AbstractEventLoop: + loop = asyncio._get_running_loop() + if loop is not None: + return loop + else: + raise RuntimeError('no running event loop') + + def all_tasks(loop: Optional[asyncio.AbstractEventLoop] = None) -> Set[asyncio.Task]: + """Return a set of all tasks for the loop.""" + from asyncio import Task + + if loop is None: + loop = get_running_loop() + + return {t for t in Task.all_tasks(loop) if not t.done()} + + def current_task(loop: Optional[asyncio.AbstractEventLoop] = None) -> Optional[asyncio.Task]: + if loop is None: + loop = get_running_loop() + + return asyncio.Task.current_task(loop) + +T_Retval = TypeVar('T_Retval') + +# Check whether there is native support for task names in asyncio (3.8+) +_native_task_names = hasattr(asyncio.Task, 'get_name') + + +_root_task: RunVar[Optional[asyncio.Task]] = RunVar('_root_task') + + +def find_root_task() -> asyncio.Task: + root_task = _root_task.get(None) + if root_task is not None and not root_task.done(): + return root_task + + # Look for a task that has been started via run_until_complete() + for task in all_tasks(): + if task._callbacks and not task.done(): + for cb in _get_task_callbacks(task): + if (cb is _run_until_complete_cb + or getattr(cb, '__module__', None) == 'uvloop.loop'): + _root_task.set(task) + return task + + # Look up the topmost task in the AnyIO task tree, if possible + task = cast(asyncio.Task, current_task()) + state = _task_states.get(task) + if state: + cancel_scope = state.cancel_scope + while cancel_scope and cancel_scope._parent_scope is not None: + cancel_scope = cancel_scope._parent_scope + + if cancel_scope is not None: + return cast(asyncio.Task, cancel_scope._host_task) + + return task + + +def get_callable_name(func: Callable) -> str: + module = getattr(func, '__module__', None) + qualname = getattr(func, '__qualname__', None) + return '.'.join([x for x in (module, qualname) if x]) + + +# +# Event loop +# + +_run_vars = WeakKeyDictionary() # type: WeakKeyDictionary[asyncio.AbstractEventLoop, Any] + +current_token = get_running_loop + + +def _task_started(task: asyncio.Task) -> bool: + """Return ``True`` if the task has been started and has not finished.""" + coro = get_coro(task) + try: + return getcoroutinestate(coro) in (CORO_RUNNING, CORO_SUSPENDED) + except AttributeError: + try: + return getgeneratorstate(coro) in (GEN_RUNNING, GEN_SUSPENDED) + except AttributeError: + # task coro is async_genenerator_asend https://bugs.python.org/issue37771 + raise Exception(f"Cannot determine if task {task} has started or not") + + +def _maybe_set_event_loop_policy(policy: Optional[asyncio.AbstractEventLoopPolicy], + use_uvloop: bool) -> None: + # On CPython, use uvloop when possible if no other policy has been given and if not + # explicitly disabled + if policy is None and use_uvloop and sys.implementation.name == 'cpython': + try: + import uvloop + except ImportError: + pass + else: + # Test for missing shutdown_default_executor() (uvloop 0.14.0 and earlier) + if (not hasattr(asyncio.AbstractEventLoop, 'shutdown_default_executor') + or hasattr(uvloop.loop.Loop, 'shutdown_default_executor')): + policy = uvloop.EventLoopPolicy() + + if policy is not None: + asyncio.set_event_loop_policy(policy) + + +def run(func: Callable[..., Awaitable[T_Retval]], *args: object, + debug: bool = False, use_uvloop: bool = False, + policy: Optional[asyncio.AbstractEventLoopPolicy] = None) -> T_Retval: + @wraps(func) + async def wrapper() -> T_Retval: + task = cast(asyncio.Task, current_task()) + task_state = TaskState(None, get_callable_name(func), None) + _task_states[task] = task_state + if _native_task_names: + task.set_name(task_state.name) + + try: + return await func(*args) + finally: + del _task_states[task] + + _maybe_set_event_loop_policy(policy, use_uvloop) + return native_run(wrapper(), debug=debug) + + +# +# Miscellaneous +# + +sleep = asyncio.sleep + + +# +# Timeouts and cancellation +# + +CancelledError = asyncio.CancelledError + + +class CancelScope(BaseCancelScope): + def __new__(cls, *, deadline: float = math.inf, shield: bool = False) -> "CancelScope": + return object.__new__(cls) + + def __init__(self, deadline: float = math.inf, shield: bool = False): + self._deadline = deadline + self._shield = shield + self._parent_scope: Optional[CancelScope] = None + self._cancel_called = False + self._active = False + self._timeout_handle: Optional[asyncio.TimerHandle] = None + self._cancel_handle: Optional[asyncio.Handle] = None + self._tasks: Set[asyncio.Task] = set() + self._host_task: Optional[asyncio.Task] = None + self._timeout_expired = False + + def __enter__(self) -> "CancelScope": + if self._active: + raise RuntimeError( + "Each CancelScope may only be used for a single 'with' block" + ) + + self._host_task = host_task = cast(asyncio.Task, current_task()) + self._tasks.add(host_task) + try: + task_state = _task_states[host_task] + except KeyError: + task_name = host_task.get_name() if _native_task_names else None + task_state = TaskState(None, task_name, self) + _task_states[host_task] = task_state + else: + self._parent_scope = task_state.cancel_scope + task_state.cancel_scope = self + + self._timeout() + self._active = True + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + if not self._active: + raise RuntimeError('This cancel scope is not active') + if current_task() is not self._host_task: + raise RuntimeError('Attempted to exit cancel scope in a different task than it was ' + 'entered in') + + assert self._host_task is not None + host_task_state = _task_states.get(self._host_task) + if host_task_state is None or host_task_state.cancel_scope is not self: + raise RuntimeError("Attempted to exit a cancel scope that isn't the current tasks's " + "current cancel scope") + + self._active = False + if self._timeout_handle: + self._timeout_handle.cancel() + self._timeout_handle = None + + self._tasks.remove(self._host_task) + + host_task_state.cancel_scope = self._parent_scope + + # Restart the cancellation effort in the nearest directly cancelled parent scope if this + # one was shielded + if self._shield: + self._deliver_cancellation_to_parent() + + if exc_val is not None: + exceptions = exc_val.exceptions if isinstance(exc_val, ExceptionGroup) else [exc_val] + if all(isinstance(exc, CancelledError) for exc in exceptions): + if self._timeout_expired: + return True + elif not self._cancel_called: + # Task was cancelled natively + return None + elif not self._parent_cancelled(): + # This scope was directly cancelled + return True + + return None + + def _timeout(self) -> None: + if self._deadline != math.inf: + loop = get_running_loop() + if loop.time() >= self._deadline: + self._timeout_expired = True + self.cancel() + else: + self._timeout_handle = loop.call_at(self._deadline, self._timeout) + + def _deliver_cancellation(self) -> None: + """ + Deliver cancellation to directly contained tasks and nested cancel scopes. + + Schedule another run at the end if we still have tasks eligible for cancellation. + """ + should_retry = False + current = current_task() + for task in self._tasks: + if task._must_cancel: # type: ignore + continue + + # The task is eligible for cancellation if it has started and is not in a cancel + # scope shielded from this one + cancel_scope = _task_states[task].cancel_scope + while cancel_scope is not self: + if cancel_scope is None or cancel_scope._shield: + break + else: + cancel_scope = cancel_scope._parent_scope + else: + should_retry = True + if task is not current and (task is self._host_task or _task_started(task)): + task.cancel() + + # Schedule another callback if there are still tasks left + if should_retry: + self._cancel_handle = get_running_loop().call_soon(self._deliver_cancellation) + else: + self._cancel_handle = None + + def _deliver_cancellation_to_parent(self) -> None: + """Start cancellation effort in the nearest directly cancelled parent scope""" + scope = self._parent_scope + while scope is not None: + if scope._cancel_called and scope._cancel_handle is None: + scope._deliver_cancellation() + break + + # No point in looking beyond any shielded scope + if scope._shield: + break + + scope = scope._parent_scope + + def _parent_cancelled(self) -> bool: + # Check whether any parent has been cancelled + cancel_scope = self._parent_scope + while cancel_scope is not None and not cancel_scope._shield: + if cancel_scope._cancel_called: + return True + else: + cancel_scope = cancel_scope._parent_scope + + return False + + def cancel(self) -> DeprecatedAwaitable: + if not self._cancel_called: + if self._timeout_handle: + self._timeout_handle.cancel() + self._timeout_handle = None + + self._cancel_called = True + self._deliver_cancellation() + + return DeprecatedAwaitable(self.cancel) + + @property + def deadline(self) -> float: + return self._deadline + + @deadline.setter + def deadline(self, value: float) -> None: + self._deadline = float(value) + if self._timeout_handle is not None: + self._timeout_handle.cancel() + self._timeout_handle = None + + if self._active and not self._cancel_called: + self._timeout() + + @property + def cancel_called(self) -> bool: + return self._cancel_called + + @property + def shield(self) -> bool: + return self._shield + + @shield.setter + def shield(self, value: bool) -> None: + if self._shield != value: + self._shield = value + if not value: + self._deliver_cancellation_to_parent() + + +async def checkpoint() -> None: + await sleep(0) + + +async def checkpoint_if_cancelled() -> None: + task = current_task() + if task is None: + return + + try: + cancel_scope = _task_states[task].cancel_scope + except KeyError: + return + + while cancel_scope: + if cancel_scope.cancel_called: + await sleep(0) + elif cancel_scope.shield: + break + else: + cancel_scope = cancel_scope._parent_scope + + +async def cancel_shielded_checkpoint() -> None: + with CancelScope(shield=True): + await sleep(0) + + +def current_effective_deadline() -> float: + try: + cancel_scope = _task_states[current_task()].cancel_scope # type: ignore[index] + except KeyError: + return math.inf + + deadline = math.inf + while cancel_scope: + deadline = min(deadline, cancel_scope.deadline) + if cancel_scope.shield: + break + else: + cancel_scope = cancel_scope._parent_scope + + return deadline + + +def current_time() -> float: + return get_running_loop().time() + + +# +# Task states +# + +class TaskState: + """ + Encapsulates auxiliary task information that cannot be added to the Task instance itself + because there are no guarantees about its implementation. + """ + + __slots__ = 'parent_id', 'name', 'cancel_scope' + + def __init__(self, parent_id: Optional[int], name: Optional[str], + cancel_scope: Optional[CancelScope]): + self.parent_id = parent_id + self.name = name + self.cancel_scope = cancel_scope + + +_task_states = WeakKeyDictionary() # type: WeakKeyDictionary[asyncio.Task, TaskState] + + +# +# Task groups +# + +class ExceptionGroup(BaseExceptionGroup): + def __init__(self, exceptions: Sequence[BaseException]): + super().__init__() + self.exceptions = exceptions + + +class _AsyncioTaskStatus(abc.TaskStatus): + def __init__(self, future: asyncio.Future): + self._future = future + + def started(self, value: object = None) -> None: + try: + self._future.set_result(value) + except asyncio.InvalidStateError: + raise RuntimeError("called 'started' twice on the same task status") from None + + +class TaskGroup(abc.TaskGroup): + def __init__(self) -> None: + self.cancel_scope: CancelScope = CancelScope() + self._active = False + self._exceptions: List[BaseException] = [] + + async def __aenter__(self) -> "TaskGroup": + self.cancel_scope.__enter__() + self._active = True + return self + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + ignore_exception = self.cancel_scope.__exit__(exc_type, exc_val, exc_tb) + if exc_val is not None: + self.cancel_scope.cancel() + self._exceptions.append(exc_val) + + while self.cancel_scope._tasks: + try: + await asyncio.wait(self.cancel_scope._tasks) + except asyncio.CancelledError: + self.cancel_scope.cancel() + + self._active = False + if not self.cancel_scope._parent_cancelled(): + exceptions = self._filter_cancellation_errors(self._exceptions) + else: + exceptions = self._exceptions + + try: + if len(exceptions) > 1: + if all(isinstance(e, CancelledError) and not e.args for e in exceptions): + # Tasks were cancelled natively, without a cancellation message + raise CancelledError + else: + raise ExceptionGroup(exceptions) + elif exceptions and exceptions[0] is not exc_val: + raise exceptions[0] + except BaseException as exc: + # Clear the context here, as it can only be done in-flight. + # If the context is not cleared, it can result in recursive tracebacks (see #145). + exc.__context__ = None + raise + + return ignore_exception + + @staticmethod + def _filter_cancellation_errors(exceptions: Sequence[BaseException]) -> List[BaseException]: + filtered_exceptions: List[BaseException] = [] + for exc in exceptions: + if isinstance(exc, ExceptionGroup): + new_exceptions = TaskGroup._filter_cancellation_errors(exc.exceptions) + if len(new_exceptions) > 1: + filtered_exceptions.append(exc) + elif len(new_exceptions) == 1: + filtered_exceptions.append(new_exceptions[0]) + elif new_exceptions: + new_exc = ExceptionGroup(new_exceptions) + new_exc.__cause__ = exc.__cause__ + new_exc.__context__ = exc.__context__ + new_exc.__traceback__ = exc.__traceback__ + filtered_exceptions.append(new_exc) + elif not isinstance(exc, CancelledError) or exc.args: + filtered_exceptions.append(exc) + + return filtered_exceptions + + async def _run_wrapped_task( + self, coro: Coroutine, task_status_future: Optional[asyncio.Future]) -> None: + # This is the code path for Python 3.6 and 3.7 on which asyncio freaks out if a task raises + # a BaseException. + __traceback_hide__ = __tracebackhide__ = True # noqa: F841 + task = cast(asyncio.Task, current_task()) + try: + await coro + except BaseException as exc: + if task_status_future is None or task_status_future.done(): + self._exceptions.append(exc) + self.cancel_scope.cancel() + else: + task_status_future.set_exception(exc) + else: + if task_status_future is not None and not task_status_future.done(): + task_status_future.set_exception( + RuntimeError('Child exited without calling task_status.started()')) + finally: + if task in self.cancel_scope._tasks: + self.cancel_scope._tasks.remove(task) + del _task_states[task] + + def _spawn(self, func: Callable[..., Coroutine], args: tuple, name: object, + task_status_future: Optional[asyncio.Future] = None) -> asyncio.Task: + def task_done(_task: asyncio.Task) -> None: + # This is the code path for Python 3.8+ + assert _task in self.cancel_scope._tasks + self.cancel_scope._tasks.remove(_task) + del _task_states[_task] + + try: + exc = _task.exception() + except CancelledError as e: + while isinstance(e.__context__, CancelledError): + e = e.__context__ + + exc = e + + if exc is not None: + if task_status_future is None or task_status_future.done(): + self._exceptions.append(exc) + self.cancel_scope.cancel() + else: + task_status_future.set_exception(exc) + elif task_status_future is not None and not task_status_future.done(): + task_status_future.set_exception( + RuntimeError('Child exited without calling task_status.started()')) + + if not self._active: + raise RuntimeError('This task group is not active; no new tasks can be started.') + + options = {} + name = get_callable_name(func) if name is None else str(name) + if _native_task_names: + options['name'] = name + + kwargs = {} + if task_status_future: + kwargs['task_status'] = _AsyncioTaskStatus(task_status_future) + + coro = func(*args, **kwargs) + if not asyncio.iscoroutine(coro): + raise TypeError(f'Expected an async function, but {func} appears to be synchronous') + + foreign_coro = not hasattr(coro, 'cr_frame') and not hasattr(coro, 'gi_frame') + if foreign_coro or sys.version_info < (3, 8): + coro = self._run_wrapped_task(coro, task_status_future) + + task = create_task(coro, **options) + if not foreign_coro and sys.version_info >= (3, 8): + task.add_done_callback(task_done) + + # Make the spawned task inherit the task group's cancel scope + _task_states[task] = TaskState(parent_id=id(current_task()), name=name, + cancel_scope=self.cancel_scope) + self.cancel_scope._tasks.add(task) + return task + + def start_soon(self, func: Callable[..., Coroutine], *args: object, + name: object = None) -> None: + self._spawn(func, args, name) + + async def start(self, func: Callable[..., Coroutine], *args: object, + name: object = None) -> None: + future: asyncio.Future = asyncio.Future() + task = self._spawn(func, args, name, future) + + # If the task raises an exception after sending a start value without a switch point + # between, the task group is cancelled and this method never proceeds to process the + # completed future. That's why we have to have a shielded cancel scope here. + with CancelScope(shield=True): + try: + return await future + except CancelledError: + task.cancel() + raise + + +# +# Threads +# + +_Retval_Queue_Type = Tuple[Optional[T_Retval], Optional[BaseException]] + + +class WorkerThread(Thread): + MAX_IDLE_TIME = 10 # seconds + + def __init__(self, root_task: asyncio.Task, workers: Set['WorkerThread'], + idle_workers: Deque['WorkerThread']): + super().__init__(name='AnyIO worker thread') + self.root_task = root_task + self.workers = workers + self.idle_workers = idle_workers + self.loop = root_task._loop + self.queue: Queue[Union[Tuple[Callable, tuple, asyncio.Future], None]] = Queue(2) + self.idle_since = current_time() + self.stopping = False + + def _report_result(self, future: asyncio.Future, result: Any, + exc: Optional[BaseException]) -> None: + self.idle_since = current_time() + if not self.stopping: + self.idle_workers.append(self) + + if not future.cancelled(): + if exc is not None: + future.set_exception(exc) + else: + future.set_result(result) + + def run(self) -> None: + with claim_worker_thread('asyncio'): + threadlocals.loop = self.loop + while True: + item = self.queue.get() + if item is None: + # Shutdown command received + return + + func, args, future = item + if not future.cancelled(): + result = None + exception: Optional[BaseException] = None + try: + result = func(*args) + except BaseException as exc: + exception = exc + + if not self.loop.is_closed(): + self.loop.call_soon_threadsafe( + self._report_result, future, result, exception) + + self.queue.task_done() + + def stop(self, f: Optional[asyncio.Task] = None) -> None: + self.stopping = True + self.queue.put_nowait(None) + self.workers.discard(self) + try: + self.idle_workers.remove(self) + except ValueError: + pass + + +_threadpool_idle_workers: RunVar[Deque[WorkerThread]] = RunVar('_threadpool_idle_workers') +_threadpool_workers: RunVar[Set[WorkerThread]] = RunVar('_threadpool_workers') + + +async def run_sync_in_worker_thread( + func: Callable[..., T_Retval], *args: object, cancellable: bool = False, + limiter: Optional['CapacityLimiter'] = None) -> T_Retval: + await checkpoint() + + # If this is the first run in this event loop thread, set up the necessary variables + try: + idle_workers = _threadpool_idle_workers.get() + workers = _threadpool_workers.get() + except LookupError: + idle_workers = deque() + workers = set() + _threadpool_idle_workers.set(idle_workers) + _threadpool_workers.set(workers) + + async with (limiter or current_default_thread_limiter()): + with CancelScope(shield=not cancellable): + future: asyncio.Future = asyncio.Future() + root_task = find_root_task() + if not idle_workers: + worker = WorkerThread(root_task, workers, idle_workers) + worker.start() + workers.add(worker) + root_task.add_done_callback(worker.stop) + else: + worker = idle_workers.pop() + + # Prune any other workers that have been idle for MAX_IDLE_TIME seconds or longer + now = current_time() + while idle_workers: + if now - idle_workers[0].idle_since < WorkerThread.MAX_IDLE_TIME: + break + + expired_worker = idle_workers.popleft() + expired_worker.root_task.remove_done_callback(expired_worker.stop) + expired_worker.stop() + + worker.queue.put_nowait((func, args, future)) + return await future + + +def run_sync_from_thread(func: Callable[..., T_Retval], *args: object, + loop: Optional[asyncio.AbstractEventLoop] = None) -> T_Retval: + @wraps(func) + def wrapper() -> None: + try: + f.set_result(func(*args)) + except BaseException as exc: + f.set_exception(exc) + if not isinstance(exc, Exception): + raise + + f: concurrent.futures.Future[T_Retval] = Future() + loop = loop or threadlocals.loop + loop.call_soon_threadsafe(wrapper) + return f.result() + + +def run_async_from_thread( + func: Callable[..., Coroutine[Any, Any, T_Retval]], *args: object +) -> T_Retval: + f: concurrent.futures.Future[T_Retval] = asyncio.run_coroutine_threadsafe( + func(*args), threadlocals.loop) + return f.result() + + +class BlockingPortal(abc.BlockingPortal): + def __new__(cls) -> "BlockingPortal": + return object.__new__(cls) + + def __init__(self) -> None: + super().__init__() + self._loop = get_running_loop() + + def _spawn_task_from_thread(self, func: Callable, args: tuple, kwargs: Dict[str, Any], + name: object, future: Future) -> None: + run_sync_from_thread( + partial(self._task_group.start_soon, name=name), self._call_func, func, args, kwargs, + future, loop=self._loop) + + +# +# Subprocesses +# + +@dataclass(eq=False) +class StreamReaderWrapper(abc.ByteReceiveStream): + _stream: asyncio.StreamReader + + async def receive(self, max_bytes: int = 65536) -> bytes: + data = await self._stream.read(max_bytes) + if data: + return data + else: + raise EndOfStream + + async def aclose(self) -> None: + self._stream.feed_eof() + + +@dataclass(eq=False) +class StreamWriterWrapper(abc.ByteSendStream): + _stream: asyncio.StreamWriter + + async def send(self, item: bytes) -> None: + self._stream.write(item) + await self._stream.drain() + + async def aclose(self) -> None: + self._stream.close() + + +@dataclass(eq=False) +class Process(abc.Process): + _process: asyncio.subprocess.Process + _stdin: Optional[StreamWriterWrapper] + _stdout: Optional[StreamReaderWrapper] + _stderr: Optional[StreamReaderWrapper] + + async def aclose(self) -> None: + if self._stdin: + await self._stdin.aclose() + if self._stdout: + await self._stdout.aclose() + if self._stderr: + await self._stderr.aclose() + + await self.wait() + + async def wait(self) -> int: + return await self._process.wait() + + def terminate(self) -> None: + self._process.terminate() + + def kill(self) -> None: + self._process.kill() + + def send_signal(self, signal: int) -> None: + self._process.send_signal(signal) + + @property + def pid(self) -> int: + return self._process.pid + + @property + def returncode(self) -> Optional[int]: + return self._process.returncode + + @property + def stdin(self) -> Optional[abc.ByteSendStream]: + return self._stdin + + @property + def stdout(self) -> Optional[abc.ByteReceiveStream]: + return self._stdout + + @property + def stderr(self) -> Optional[abc.ByteReceiveStream]: + return self._stderr + + +async def open_process(command: Union[str, Sequence[str]], *, shell: bool, + stdin: int, stdout: int, stderr: int, + cwd: Union[str, bytes, PathLike, None] = None, + env: Optional[Mapping[str, str]] = None) -> Process: + await checkpoint() + if shell: + process = await asyncio.create_subprocess_shell( + command, stdin=stdin, stdout=stdout, # type: ignore[arg-type] + stderr=stderr, cwd=cwd, env=env, + ) + else: + process = await asyncio.create_subprocess_exec(*command, stdin=stdin, stdout=stdout, + stderr=stderr, cwd=cwd, env=env) + + stdin_stream = StreamWriterWrapper(process.stdin) if process.stdin else None + stdout_stream = StreamReaderWrapper(process.stdout) if process.stdout else None + stderr_stream = StreamReaderWrapper(process.stderr) if process.stderr else None + return Process(process, stdin_stream, stdout_stream, stderr_stream) + + +def _forcibly_shutdown_process_pool_on_exit(workers: Set[Process], _task: object) -> None: + """ + Forcibly shuts down worker processes belonging to this event loop.""" + child_watcher: Optional[asyncio.AbstractChildWatcher] + try: + child_watcher = asyncio.get_event_loop_policy().get_child_watcher() + except NotImplementedError: + child_watcher = None + + # Close as much as possible (w/o async/await) to avoid warnings + for process in workers: + if process.returncode is None: + continue + + process._stdin._stream._transport.close() # type: ignore + process._stdout._stream._transport.close() # type: ignore + process._stderr._stream._transport.close() # type: ignore + process.kill() + if child_watcher: + child_watcher.remove_child_handler(process.pid) + + +async def _shutdown_process_pool_on_exit(workers: Set[Process]) -> None: + """ + Shuts down worker processes belonging to this event loop. + + NOTE: this only works when the event loop was started using asyncio.run() or anyio.run(). + + """ + process: Process + try: + await sleep(math.inf) + except asyncio.CancelledError: + for process in workers: + if process.returncode is None: + process.kill() + + for process in workers: + await process.aclose() + + +def setup_process_pool_exit_at_shutdown(workers: Set[Process]) -> None: + kwargs = {'name': 'AnyIO process pool shutdown task'} if _native_task_names else {} + create_task(_shutdown_process_pool_on_exit(workers), **kwargs) + find_root_task().add_done_callback(partial(_forcibly_shutdown_process_pool_on_exit, workers)) + + +# +# Sockets and networking +# + + +class StreamProtocol(asyncio.Protocol): + read_queue: Deque[bytes] + read_event: asyncio.Event + write_future: asyncio.Future + exception: Optional[Exception] = None + + def connection_made(self, transport: asyncio.BaseTransport) -> None: + self.read_queue = deque() + self.read_event = asyncio.Event() + self.write_future = asyncio.Future() + self.write_future.set_result(None) + cast(asyncio.Transport, transport).set_write_buffer_limits(0) + + def connection_lost(self, exc: Optional[Exception]) -> None: + if exc: + self.exception = BrokenResourceError() + self.exception.__cause__ = exc + + self.read_event.set() + self.write_future = asyncio.Future() + if self.exception: + self.write_future.set_exception(self.exception) + else: + self.write_future.set_result(None) + + def data_received(self, data: bytes) -> None: + self.read_queue.append(data) + self.read_event.set() + + def eof_received(self) -> Optional[bool]: + self.read_event.set() + return True + + def pause_writing(self) -> None: + self.write_future = asyncio.Future() + + def resume_writing(self) -> None: + self.write_future.set_result(None) + + +class DatagramProtocol(asyncio.DatagramProtocol): + read_queue: Deque[Tuple[bytes, IPSockAddrType]] + read_event: asyncio.Event + write_event: asyncio.Event + exception: Optional[Exception] = None + + def connection_made(self, transport: asyncio.BaseTransport) -> None: + self.read_queue = deque(maxlen=100) # arbitrary value + self.read_event = asyncio.Event() + self.write_event = asyncio.Event() + self.write_event.set() + + def connection_lost(self, exc: Optional[Exception]) -> None: + self.read_event.set() + self.write_event.set() + + def datagram_received(self, data: bytes, addr: IPSockAddrType) -> None: + addr = convert_ipv6_sockaddr(addr) + self.read_queue.append((data, addr)) + self.read_event.set() + + def error_received(self, exc: Exception) -> None: + self.exception = exc + + def pause_writing(self) -> None: + self.write_event.clear() + + def resume_writing(self) -> None: + self.write_event.set() + + +class SocketStream(abc.SocketStream): + def __init__(self, transport: asyncio.Transport, protocol: StreamProtocol): + self._transport = transport + self._protocol = protocol + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + self._closed = False + + @property + def _raw_socket(self) -> socket.socket: + return self._transport.get_extra_info('socket') + + async def receive(self, max_bytes: int = 65536) -> bytes: + with self._receive_guard: + await checkpoint() + if not self._protocol.read_event.is_set() and not self._transport.is_closing(): + self._transport.resume_reading() + await self._protocol.read_event.wait() + self._transport.pause_reading() + + try: + chunk = self._protocol.read_queue.popleft() + except IndexError: + if self._closed: + raise ClosedResourceError from None + elif self._protocol.exception: + raise self._protocol.exception + else: + raise EndOfStream + + if len(chunk) > max_bytes: + # Split the oversized chunk + chunk, leftover = chunk[:max_bytes], chunk[max_bytes:] + self._protocol.read_queue.appendleft(leftover) + + # If the read queue is empty, clear the flag so that the next call will block until + # data is available + if not self._protocol.read_queue: + self._protocol.read_event.clear() + + return chunk + + async def send(self, item: bytes) -> None: + with self._send_guard: + await checkpoint() + try: + self._transport.write(item) + except RuntimeError as exc: + if self._protocol.write_future.exception(): + await self._protocol.write_future + elif self._closed: + raise ClosedResourceError from None + elif self._transport.is_closing(): + raise BrokenResourceError from exc + else: + raise + + await self._protocol.write_future + + async def send_eof(self) -> None: + try: + self._transport.write_eof() + except OSError: + pass + + async def aclose(self) -> None: + if not self._transport.is_closing(): + self._closed = True + try: + self._transport.write_eof() + except OSError: + pass + + self._transport.close() + await sleep(0) + self._transport.abort() + + +class UNIXSocketStream(abc.SocketStream): + _receive_future: Optional[asyncio.Future] = None + _send_future: Optional[asyncio.Future] = None + _closing = False + + def __init__(self, raw_socket: socket.socket): + self.__raw_socket = raw_socket + self._loop = get_running_loop() + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + + @property + def _raw_socket(self) -> socket.socket: + return self.__raw_socket + + def _wait_until_readable(self, loop: asyncio.AbstractEventLoop) -> asyncio.Future: + def callback(f: object) -> None: + del self._receive_future + loop.remove_reader(self.__raw_socket) + + f = self._receive_future = asyncio.Future() + self._loop.add_reader(self.__raw_socket, f.set_result, None) + f.add_done_callback(callback) + return f + + def _wait_until_writable(self, loop: asyncio.AbstractEventLoop) -> asyncio.Future: + def callback(f: object) -> None: + del self._send_future + loop.remove_writer(self.__raw_socket) + + f = self._send_future = asyncio.Future() + self._loop.add_writer(self.__raw_socket, f.set_result, None) + f.add_done_callback(callback) + return f + + async def send_eof(self) -> None: + with self._send_guard: + self._raw_socket.shutdown(socket.SHUT_WR) + + async def receive(self, max_bytes: int = 65536) -> bytes: + loop = get_running_loop() + await checkpoint() + with self._receive_guard: + while True: + try: + data = self.__raw_socket.recv(max_bytes) + except BlockingIOError: + await self._wait_until_readable(loop) + except OSError as exc: + if self._closing: + raise ClosedResourceError from None + else: + raise BrokenResourceError from exc + else: + if not data: + raise EndOfStream + + return data + + async def send(self, item: bytes) -> None: + loop = get_running_loop() + await checkpoint() + with self._send_guard: + view = memoryview(item) + while view: + try: + bytes_sent = self.__raw_socket.send(item) + except BlockingIOError: + await self._wait_until_writable(loop) + except OSError as exc: + if self._closing: + raise ClosedResourceError from None + else: + raise BrokenResourceError from exc + else: + view = view[bytes_sent:] + + async def receive_fds(self, msglen: int, maxfds: int) -> Tuple[bytes, List[int]]: + if not isinstance(msglen, int) or msglen < 0: + raise ValueError('msglen must be a non-negative integer') + if not isinstance(maxfds, int) or maxfds < 1: + raise ValueError('maxfds must be a positive integer') + + loop = get_running_loop() + fds = array.array("i") + await checkpoint() + with self._receive_guard: + while True: + try: + message, ancdata, flags, addr = self.__raw_socket.recvmsg( + msglen, socket.CMSG_LEN(maxfds * fds.itemsize)) + except BlockingIOError: + await self._wait_until_readable(loop) + except OSError as exc: + if self._closing: + raise ClosedResourceError from None + else: + raise BrokenResourceError from exc + else: + if not message and not ancdata: + raise EndOfStream + + break + + for cmsg_level, cmsg_type, cmsg_data in ancdata: + if cmsg_level != socket.SOL_SOCKET or cmsg_type != socket.SCM_RIGHTS: + raise RuntimeError(f'Received unexpected ancillary data; message = {message!r}, ' + f'cmsg_level = {cmsg_level}, cmsg_type = {cmsg_type}') + + fds.frombytes(cmsg_data[:len(cmsg_data) - (len(cmsg_data) % fds.itemsize)]) + + return message, list(fds) + + async def send_fds(self, message: bytes, fds: Collection[Union[int, IOBase]]) -> None: + if not message: + raise ValueError('message must not be empty') + if not fds: + raise ValueError('fds must not be empty') + + loop = get_running_loop() + filenos: List[int] = [] + for fd in fds: + if isinstance(fd, int): + filenos.append(fd) + elif isinstance(fd, IOBase): + filenos.append(fd.fileno()) + + fdarray = array.array("i", filenos) + await checkpoint() + with self._send_guard: + while True: + try: + # The ignore can be removed after mypy picks up + # https://github.com/python/typeshed/pull/5545 + self.__raw_socket.sendmsg( + [message], + [(socket.SOL_SOCKET, socket.SCM_RIGHTS, fdarray)] # type: ignore + ) + break + except BlockingIOError: + await self._wait_until_writable(loop) + except OSError as exc: + if self._closing: + raise ClosedResourceError from None + else: + raise BrokenResourceError from exc + + async def aclose(self) -> None: + if not self._closing: + self._closing = True + if self.__raw_socket.fileno() != -1: + self.__raw_socket.close() + + if self._receive_future: + self._receive_future.set_result(None) + if self._send_future: + self._send_future.set_result(None) + + +class TCPSocketListener(abc.SocketListener): + _accept_scope: Optional[CancelScope] = None + _closed = False + + def __init__(self, raw_socket: socket.socket): + self.__raw_socket = raw_socket + self._loop = cast(asyncio.BaseEventLoop, get_running_loop()) + self._accept_guard = ResourceGuard('accepting connections from') + + @property + def _raw_socket(self) -> socket.socket: + return self.__raw_socket + + async def accept(self) -> abc.SocketStream: + if self._closed: + raise ClosedResourceError + + with self._accept_guard: + await checkpoint() + with CancelScope() as self._accept_scope: + try: + client_sock, _addr = await self._loop.sock_accept(self._raw_socket) + except asyncio.CancelledError: + # Workaround for https://bugs.python.org/issue41317 + try: + self._loop.remove_reader(self._raw_socket) + except (ValueError, NotImplementedError): + pass + + if self._closed: + raise ClosedResourceError from None + + raise + finally: + self._accept_scope = None + + client_sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + transport, protocol = await self._loop.connect_accepted_socket(StreamProtocol, client_sock) + return SocketStream(cast(asyncio.Transport, transport), cast(StreamProtocol, protocol)) + + async def aclose(self) -> None: + if self._closed: + return + + self._closed = True + if self._accept_scope: + # Workaround for https://bugs.python.org/issue41317 + try: + self._loop.remove_reader(self._raw_socket) + except (ValueError, NotImplementedError): + pass + + self._accept_scope.cancel() + await sleep(0) + + self._raw_socket.close() + + +class UNIXSocketListener(abc.SocketListener): + def __init__(self, raw_socket: socket.socket): + self.__raw_socket = raw_socket + self._loop = get_running_loop() + self._accept_guard = ResourceGuard('accepting connections from') + self._closed = False + + async def accept(self) -> abc.SocketStream: + await checkpoint() + with self._accept_guard: + while True: + try: + client_sock, _ = self.__raw_socket.accept() + return UNIXSocketStream(client_sock) + except BlockingIOError: + f: asyncio.Future = asyncio.Future() + self._loop.add_reader(self.__raw_socket, f.set_result, None) + f.add_done_callback(lambda _: self._loop.remove_reader(self.__raw_socket)) + await f + except OSError as exc: + if self._closed: + raise ClosedResourceError from None + else: + raise BrokenResourceError from exc + + async def aclose(self) -> None: + self._closed = True + self.__raw_socket.close() + + @property + def _raw_socket(self) -> socket.socket: + return self.__raw_socket + + +class UDPSocket(abc.UDPSocket): + def __init__(self, transport: asyncio.DatagramTransport, protocol: DatagramProtocol): + self._transport = transport + self._protocol = protocol + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + self._closed = False + + @property + def _raw_socket(self) -> socket.socket: + return self._transport.get_extra_info('socket') + + async def aclose(self) -> None: + if not self._transport.is_closing(): + self._closed = True + self._transport.close() + + async def receive(self) -> Tuple[bytes, IPSockAddrType]: + with self._receive_guard: + await checkpoint() + + # If the buffer is empty, ask for more data + if not self._protocol.read_queue and not self._transport.is_closing(): + self._protocol.read_event.clear() + await self._protocol.read_event.wait() + + try: + return self._protocol.read_queue.popleft() + except IndexError: + if self._closed: + raise ClosedResourceError from None + else: + raise BrokenResourceError from None + + async def send(self, item: UDPPacketType) -> None: + with self._send_guard: + await checkpoint() + await self._protocol.write_event.wait() + if self._closed: + raise ClosedResourceError + elif self._transport.is_closing(): + raise BrokenResourceError + else: + self._transport.sendto(*item) + + +class ConnectedUDPSocket(abc.ConnectedUDPSocket): + def __init__(self, transport: asyncio.DatagramTransport, protocol: DatagramProtocol): + self._transport = transport + self._protocol = protocol + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + self._closed = False + + @property + def _raw_socket(self) -> socket.socket: + return self._transport.get_extra_info('socket') + + async def aclose(self) -> None: + if not self._transport.is_closing(): + self._closed = True + self._transport.close() + + async def receive(self) -> bytes: + with self._receive_guard: + await checkpoint() + + # If the buffer is empty, ask for more data + if not self._protocol.read_queue and not self._transport.is_closing(): + self._protocol.read_event.clear() + await self._protocol.read_event.wait() + + try: + packet = self._protocol.read_queue.popleft() + except IndexError: + if self._closed: + raise ClosedResourceError from None + else: + raise BrokenResourceError from None + + return packet[0] + + async def send(self, item: bytes) -> None: + with self._send_guard: + await checkpoint() + await self._protocol.write_event.wait() + if self._closed: + raise ClosedResourceError + elif self._transport.is_closing(): + raise BrokenResourceError + else: + self._transport.sendto(item) + + +async def connect_tcp(host: str, port: int, + local_addr: Optional[Tuple[str, int]] = None) -> SocketStream: + transport, protocol = cast( + Tuple[asyncio.Transport, StreamProtocol], + await get_running_loop().create_connection(StreamProtocol, host, port, + local_addr=local_addr) + ) + transport.pause_reading() + return SocketStream(transport, protocol) + + +async def connect_unix(path: str) -> UNIXSocketStream: + await checkpoint() + loop = get_running_loop() + raw_socket = socket.socket(socket.AF_UNIX) + raw_socket.setblocking(False) + while True: + try: + raw_socket.connect(path) + except BlockingIOError: + f: asyncio.Future = asyncio.Future() + loop.add_writer(raw_socket, f.set_result, None) + f.add_done_callback(lambda _: loop.remove_writer(raw_socket)) + await f + except BaseException: + raw_socket.close() + raise + else: + return UNIXSocketStream(raw_socket) + + +async def create_udp_socket( + family: socket.AddressFamily, + local_address: Optional[IPSockAddrType], + remote_address: Optional[IPSockAddrType], + reuse_port: bool +) -> Union[UDPSocket, ConnectedUDPSocket]: + result = await get_running_loop().create_datagram_endpoint( + DatagramProtocol, local_addr=local_address, remote_addr=remote_address, family=family, + reuse_port=reuse_port) + transport = cast(asyncio.DatagramTransport, result[0]) + protocol = cast(DatagramProtocol, result[1]) + if protocol.exception: + transport.close() + raise protocol.exception + + if not remote_address: + return UDPSocket(transport, protocol) + else: + return ConnectedUDPSocket(transport, protocol) + + +async def getaddrinfo(host: Union[bytearray, bytes, str], port: Union[str, int, None], *, + family: Union[int, AddressFamily] = 0, type: Union[int, SocketKind] = 0, + proto: int = 0, flags: int = 0) -> GetAddrInfoReturnType: + # https://github.com/python/typeshed/pull/4304 + result = await get_running_loop().getaddrinfo( + host, port, family=family, type=type, proto=proto, flags=flags) # type: ignore[arg-type] + return cast(GetAddrInfoReturnType, result) + + +async def getnameinfo(sockaddr: IPSockAddrType, flags: int = 0) -> Tuple[str, str]: + return await get_running_loop().getnameinfo(sockaddr, flags) + + +_read_events: RunVar[Dict[Any, asyncio.Event]] = RunVar('read_events') +_write_events: RunVar[Dict[Any, asyncio.Event]] = RunVar('write_events') + + +async def wait_socket_readable(sock: socket.socket) -> None: + await checkpoint() + try: + read_events = _read_events.get() + except LookupError: + read_events = {} + _read_events.set(read_events) + + if read_events.get(sock): + raise BusyResourceError('reading from') from None + + loop = get_running_loop() + event = read_events[sock] = asyncio.Event() + loop.add_reader(sock, event.set) + try: + await event.wait() + finally: + if read_events.pop(sock, None) is not None: + loop.remove_reader(sock) + readable = True + else: + readable = False + + if not readable: + raise ClosedResourceError + + +async def wait_socket_writable(sock: socket.socket) -> None: + await checkpoint() + try: + write_events = _write_events.get() + except LookupError: + write_events = {} + _write_events.set(write_events) + + if write_events.get(sock): + raise BusyResourceError('writing to') from None + + loop = get_running_loop() + event = write_events[sock] = asyncio.Event() + loop.add_writer(sock.fileno(), event.set) + try: + await event.wait() + finally: + if write_events.pop(sock, None) is not None: + loop.remove_writer(sock) + writable = True + else: + writable = False + + if not writable: + raise ClosedResourceError + + +# +# Synchronization +# + +class Event(BaseEvent): + def __new__(cls) -> "Event": + return object.__new__(cls) + + def __init__(self) -> None: + self._event = asyncio.Event() + + def set(self) -> DeprecatedAwaitable: + self._event.set() + return DeprecatedAwaitable(self.set) + + def is_set(self) -> bool: + return self._event.is_set() + + async def wait(self) -> None: + if await self._event.wait(): + await checkpoint() + + def statistics(self) -> EventStatistics: + return EventStatistics(len(self._event._waiters)) # type: ignore[attr-defined] + + +class CapacityLimiter(BaseCapacityLimiter): + _total_tokens: float = 0 + + def __new__(cls, total_tokens: float) -> "CapacityLimiter": + return object.__new__(cls) + + def __init__(self, total_tokens: float): + self._borrowers: Set[Any] = set() + self._wait_queue: Dict[Any, asyncio.Event] = OrderedDict() + self.total_tokens = total_tokens + + async def __aenter__(self) -> None: + await self.acquire() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.release() + + @property + def total_tokens(self) -> float: + return self._total_tokens + + @total_tokens.setter + def total_tokens(self, value: float) -> None: + if not isinstance(value, int) and not math.isinf(value): + raise TypeError('total_tokens must be an int or math.inf') + if value < 1: + raise ValueError('total_tokens must be >= 1') + + old_value = self._total_tokens + self._total_tokens = value + events = [] + for event in self._wait_queue.values(): + if value <= old_value: + break + + if not event.is_set(): + events.append(event) + old_value += 1 + + for event in events: + event.set() + + @property + def borrowed_tokens(self) -> int: + return len(self._borrowers) + + @property + def available_tokens(self) -> float: + return self._total_tokens - len(self._borrowers) + + def acquire_nowait(self) -> DeprecatedAwaitable: + self.acquire_on_behalf_of_nowait(current_task()) + return DeprecatedAwaitable(self.acquire_nowait) + + def acquire_on_behalf_of_nowait(self, borrower: object) -> DeprecatedAwaitable: + if borrower in self._borrowers: + raise RuntimeError("this borrower is already holding one of this CapacityLimiter's " + "tokens") + + if self._wait_queue or len(self._borrowers) >= self._total_tokens: + raise WouldBlock + + self._borrowers.add(borrower) + return DeprecatedAwaitable(self.acquire_on_behalf_of_nowait) + + async def acquire(self) -> None: + return await self.acquire_on_behalf_of(current_task()) + + async def acquire_on_behalf_of(self, borrower: object) -> None: + await checkpoint_if_cancelled() + try: + self.acquire_on_behalf_of_nowait(borrower) + except WouldBlock: + event = asyncio.Event() + self._wait_queue[borrower] = event + try: + await event.wait() + except BaseException: + self._wait_queue.pop(borrower, None) + raise + + self._borrowers.add(borrower) + else: + await cancel_shielded_checkpoint() + + def release(self) -> None: + self.release_on_behalf_of(current_task()) + + def release_on_behalf_of(self, borrower: object) -> None: + try: + self._borrowers.remove(borrower) + except KeyError: + raise RuntimeError("this borrower isn't holding any of this CapacityLimiter's " + "tokens") from None + + # Notify the next task in line if this limiter has free capacity now + if self._wait_queue and len(self._borrowers) < self._total_tokens: + event = self._wait_queue.popitem()[1] + event.set() + + def statistics(self) -> CapacityLimiterStatistics: + return CapacityLimiterStatistics(self.borrowed_tokens, self.total_tokens, + tuple(self._borrowers), len(self._wait_queue)) + + +_default_thread_limiter: RunVar[CapacityLimiter] = RunVar('_default_thread_limiter') + + +def current_default_thread_limiter() -> CapacityLimiter: + try: + return _default_thread_limiter.get() + except LookupError: + limiter = CapacityLimiter(40) + _default_thread_limiter.set(limiter) + return limiter + + +# +# Operating system signals +# + +class _SignalReceiver(DeprecatedAsyncContextManager["_SignalReceiver"]): + def __init__(self, signals: Tuple[int, ...]): + self._signals = signals + self._loop = get_running_loop() + self._signal_queue: Deque[int] = deque() + self._future: asyncio.Future = asyncio.Future() + self._handled_signals: Set[int] = set() + + def _deliver(self, signum: int) -> None: + self._signal_queue.append(signum) + if not self._future.done(): + self._future.set_result(None) + + def __enter__(self) -> "_SignalReceiver": + for sig in set(self._signals): + self._loop.add_signal_handler(sig, self._deliver, sig) + self._handled_signals.add(sig) + + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + for sig in self._handled_signals: + self._loop.remove_signal_handler(sig) + return None + + def __aiter__(self) -> "_SignalReceiver": + return self + + async def __anext__(self) -> int: + await checkpoint() + if not self._signal_queue: + self._future = asyncio.Future() + await self._future + + return self._signal_queue.popleft() + + +def open_signal_receiver(*signals: int) -> _SignalReceiver: + return _SignalReceiver(signals) + + +# +# Testing and debugging +# + +def _create_task_info(task: asyncio.Task) -> TaskInfo: + task_state = _task_states.get(task) + if task_state is None: + name = task.get_name() if _native_task_names else None + parent_id = None + else: + name = task_state.name + parent_id = task_state.parent_id + + return TaskInfo(id(task), parent_id, name, get_coro(task)) + + +def get_current_task() -> TaskInfo: + return _create_task_info(current_task()) # type: ignore + + +def get_running_tasks() -> List[TaskInfo]: + return [_create_task_info(task) for task in all_tasks() if not task.done()] + + +async def wait_all_tasks_blocked() -> None: + await checkpoint() + this_task = current_task() + while True: + for task in all_tasks(): + if task is this_task: + continue + + if task._fut_waiter is None or task._fut_waiter.done(): # type: ignore[attr-defined] + await sleep(0.1) + break + else: + return + + +class TestRunner(abc.TestRunner): + def __init__(self, debug: bool = False, use_uvloop: bool = True, + policy: Optional[asyncio.AbstractEventLoopPolicy] = None): + _maybe_set_event_loop_policy(policy, use_uvloop) + self._loop = asyncio.new_event_loop() + self._loop.set_debug(debug) + asyncio.set_event_loop(self._loop) + + def _cancel_all_tasks(self) -> None: + to_cancel = all_tasks(self._loop) + if not to_cancel: + return + + for task in to_cancel: + task.cancel() + + self._loop.run_until_complete(asyncio.gather(*to_cancel, return_exceptions=True)) + + for task in to_cancel: + if task.cancelled(): + continue + if task.exception() is not None: + raise cast(BaseException, task.exception()) + + def close(self) -> None: + try: + self._cancel_all_tasks() + self._loop.run_until_complete(self._loop.shutdown_asyncgens()) + finally: + asyncio.set_event_loop(None) + self._loop.close() + + def call(self, func: Callable[..., Awaitable[T_Retval]], + *args: object, **kwargs: object) -> T_Retval: + def exception_handler(loop: asyncio.AbstractEventLoop, context: Dict[str, Any]) -> None: + exceptions.append(context['exception']) + + exceptions: List[Exception] = [] + self._loop.set_exception_handler(exception_handler) + try: + retval: T_Retval = self._loop.run_until_complete(func(*args, **kwargs)) + except Exception as exc: + retval = None # type: ignore[assignment] + exceptions.append(exc) + finally: + self._loop.set_exception_handler(None) + + if len(exceptions) == 1: + raise exceptions[0] + elif exceptions: + raise ExceptionGroup(exceptions) + + return retval diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_trio.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_trio.py new file mode 100644 index 0000000..aa4e0e2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_backends/_trio.py @@ -0,0 +1,788 @@ +import array +import math +import socket +from concurrent.futures import Future +from dataclasses import dataclass +from functools import partial +from io import IOBase +from os import PathLike +from types import TracebackType +from typing import ( + Any, Awaitable, Callable, Collection, ContextManager, Coroutine, Deque, Dict, Generic, List, + Mapping, NoReturn, Optional, Sequence, Set, Tuple, Type, TypeVar, Union) + +import trio.from_thread +from outcome import Error, Outcome, Value +from trio.socket import SocketType as TrioSocketType +from trio.to_thread import run_sync + +from .. import CapacityLimiterStatistics, EventStatistics, TaskInfo, abc +from .._core._compat import DeprecatedAsyncContextManager, DeprecatedAwaitable, T +from .._core._eventloop import claim_worker_thread +from .._core._exceptions import ( + BrokenResourceError, BusyResourceError, ClosedResourceError, EndOfStream) +from .._core._exceptions import ExceptionGroup as BaseExceptionGroup +from .._core._sockets import convert_ipv6_sockaddr +from .._core._synchronization import CapacityLimiter as BaseCapacityLimiter +from .._core._synchronization import Event as BaseEvent +from .._core._synchronization import ResourceGuard +from .._core._tasks import CancelScope as BaseCancelScope +from ..abc import IPSockAddrType, UDPPacketType + +try: + from trio import lowlevel as trio_lowlevel +except ImportError: + from trio import hazmat as trio_lowlevel + from trio.hazmat import wait_readable, wait_writable +else: + from trio.lowlevel import wait_readable, wait_writable + + +T_Retval = TypeVar('T_Retval') +T_SockAddr = TypeVar('T_SockAddr', str, IPSockAddrType) + + +# +# Event loop +# + +run = trio.run +current_token = trio.lowlevel.current_trio_token +RunVar = trio.lowlevel.RunVar + + +# +# Miscellaneous +# + +sleep = trio.sleep + + +# +# Timeouts and cancellation +# + +class CancelScope(BaseCancelScope): + def __new__(cls, original: Optional[trio.CancelScope] = None, + **kwargs: object) -> 'CancelScope': + return object.__new__(cls) + + def __init__(self, original: Optional[trio.CancelScope] = None, **kwargs: object) -> None: + self.__original = original or trio.CancelScope(**kwargs) + + def __enter__(self) -> 'CancelScope': + self.__original.__enter__() + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return self.__original.__exit__(exc_type, exc_val, exc_tb) + + def cancel(self) -> DeprecatedAwaitable: + self.__original.cancel() + return DeprecatedAwaitable(self.cancel) + + @property + def deadline(self) -> float: + return self.__original.deadline + + @deadline.setter + def deadline(self, value: float) -> None: + self.__original.deadline = value + + @property + def cancel_called(self) -> bool: + return self.__original.cancel_called + + @property + def shield(self) -> bool: + return self.__original.shield + + @shield.setter + def shield(self, value: bool) -> None: + self.__original.shield = value + + +CancelledError = trio.Cancelled +checkpoint = trio.lowlevel.checkpoint +checkpoint_if_cancelled = trio.lowlevel.checkpoint_if_cancelled +cancel_shielded_checkpoint = trio.lowlevel.cancel_shielded_checkpoint +current_effective_deadline = trio.current_effective_deadline +current_time = trio.current_time + + +# +# Task groups +# + +class ExceptionGroup(BaseExceptionGroup, trio.MultiError): + pass + + +class TaskGroup(abc.TaskGroup): + def __init__(self) -> None: + self._active = False + self._nursery_manager = trio.open_nursery() + self.cancel_scope = None # type: ignore[assignment] + + async def __aenter__(self) -> 'TaskGroup': + self._active = True + self._nursery = await self._nursery_manager.__aenter__() + self.cancel_scope = CancelScope(self._nursery.cancel_scope) + return self + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + try: + return await self._nursery_manager.__aexit__(exc_type, exc_val, exc_tb) + except trio.MultiError as exc: + raise ExceptionGroup(exc.exceptions) from None + finally: + self._active = False + + def start_soon(self, func: Callable, *args: object, name: object = None) -> None: + if not self._active: + raise RuntimeError('This task group is not active; no new tasks can be started.') + + self._nursery.start_soon(func, *args, name=name) + + async def start(self, func: Callable[..., Coroutine], + *args: object, name: object = None) -> object: + if not self._active: + raise RuntimeError('This task group is not active; no new tasks can be started.') + + return await self._nursery.start(func, *args, name=name) + +# +# Threads +# + + +async def run_sync_in_worker_thread( + func: Callable[..., T_Retval], *args: object, cancellable: bool = False, + limiter: Optional[trio.CapacityLimiter] = None) -> T_Retval: + def wrapper() -> T_Retval: + with claim_worker_thread('trio'): + return func(*args) + + return await run_sync(wrapper, cancellable=cancellable, limiter=limiter) + +run_async_from_thread = trio.from_thread.run +run_sync_from_thread = trio.from_thread.run_sync + + +class BlockingPortal(abc.BlockingPortal): + def __new__(cls) -> 'BlockingPortal': + return object.__new__(cls) + + def __init__(self) -> None: + super().__init__() + self._token = trio.lowlevel.current_trio_token() + + def _spawn_task_from_thread(self, func: Callable, args: tuple, kwargs: Dict[str, Any], + name: object, future: Future) -> None: + return trio.from_thread.run_sync( + partial(self._task_group.start_soon, name=name), self._call_func, func, args, kwargs, + future, trio_token=self._token) + + +# +# Subprocesses +# + +@dataclass(eq=False) +class ReceiveStreamWrapper(abc.ByteReceiveStream): + _stream: trio.abc.ReceiveStream + + async def receive(self, max_bytes: Optional[int] = None) -> bytes: + try: + data = await self._stream.receive_some(max_bytes) + except trio.ClosedResourceError as exc: + raise ClosedResourceError from exc.__cause__ + except trio.BrokenResourceError as exc: + raise BrokenResourceError from exc.__cause__ + + if data: + return data + else: + raise EndOfStream + + async def aclose(self) -> None: + await self._stream.aclose() + + +@dataclass(eq=False) +class SendStreamWrapper(abc.ByteSendStream): + _stream: trio.abc.SendStream + + async def send(self, item: bytes) -> None: + try: + await self._stream.send_all(item) + except trio.ClosedResourceError as exc: + raise ClosedResourceError from exc.__cause__ + except trio.BrokenResourceError as exc: + raise BrokenResourceError from exc.__cause__ + + async def aclose(self) -> None: + await self._stream.aclose() + + +@dataclass(eq=False) +class Process(abc.Process): + _process: trio.Process + _stdin: Optional[abc.ByteSendStream] + _stdout: Optional[abc.ByteReceiveStream] + _stderr: Optional[abc.ByteReceiveStream] + + async def aclose(self) -> None: + if self._stdin: + await self._stdin.aclose() + if self._stdout: + await self._stdout.aclose() + if self._stderr: + await self._stderr.aclose() + + await self.wait() + + async def wait(self) -> int: + return await self._process.wait() + + def terminate(self) -> None: + self._process.terminate() + + def kill(self) -> None: + self._process.kill() + + def send_signal(self, signal: int) -> None: + self._process.send_signal(signal) + + @property + def pid(self) -> int: + return self._process.pid + + @property + def returncode(self) -> Optional[int]: + return self._process.returncode + + @property + def stdin(self) -> Optional[abc.ByteSendStream]: + return self._stdin + + @property + def stdout(self) -> Optional[abc.ByteReceiveStream]: + return self._stdout + + @property + def stderr(self) -> Optional[abc.ByteReceiveStream]: + return self._stderr + + +async def open_process(command: Union[str, Sequence[str]], *, shell: bool, + stdin: int, stdout: int, stderr: int, + cwd: Union[str, bytes, PathLike, None] = None, + env: Optional[Mapping[str, str]] = None) -> Process: + process = await trio.open_process(command, stdin=stdin, stdout=stdout, stderr=stderr, + shell=shell, cwd=cwd, env=env) + stdin_stream = SendStreamWrapper(process.stdin) if process.stdin else None + stdout_stream = ReceiveStreamWrapper(process.stdout) if process.stdout else None + stderr_stream = ReceiveStreamWrapper(process.stderr) if process.stderr else None + return Process(process, stdin_stream, stdout_stream, stderr_stream) + + +class _ProcessPoolShutdownInstrument(trio.abc.Instrument): + def after_run(self) -> None: + super().after_run() + + +current_default_worker_process_limiter = trio.lowlevel.RunVar( + 'current_default_worker_process_limiter') + + +async def _shutdown_process_pool(workers: Set[Process]) -> None: + process: Process + try: + await sleep(math.inf) + except trio.Cancelled: + for process in workers: + if process.returncode is None: + process.kill() + + with CancelScope(shield=True): + for process in workers: + await process.aclose() + + +def setup_process_pool_exit_at_shutdown(workers: Set[Process]) -> None: + trio.lowlevel.spawn_system_task(_shutdown_process_pool, workers) + + +# +# Sockets and networking +# + +class _TrioSocketMixin(Generic[T_SockAddr]): + def __init__(self, trio_socket: TrioSocketType) -> None: + self._trio_socket = trio_socket + self._closed = False + + def _check_closed(self) -> None: + if self._closed: + raise ClosedResourceError + if self._trio_socket.fileno() < 0: + raise BrokenResourceError + + @property + def _raw_socket(self) -> socket.socket: + return self._trio_socket._sock + + async def aclose(self) -> None: + if self._trio_socket.fileno() >= 0: + self._closed = True + self._trio_socket.close() + + def _convert_socket_error(self, exc: BaseException) -> 'NoReturn': + if isinstance(exc, trio.ClosedResourceError): + raise ClosedResourceError from exc + elif self._trio_socket.fileno() < 0 and self._closed: + raise ClosedResourceError from None + elif isinstance(exc, OSError): + raise BrokenResourceError from exc + else: + raise exc + + +class SocketStream(_TrioSocketMixin, abc.SocketStream): + def __init__(self, trio_socket: TrioSocketType) -> None: + super().__init__(trio_socket) + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + + async def receive(self, max_bytes: int = 65536) -> bytes: + with self._receive_guard: + try: + data = await self._trio_socket.recv(max_bytes) + except BaseException as exc: + self._convert_socket_error(exc) + + if data: + return data + else: + raise EndOfStream + + async def send(self, item: bytes) -> None: + with self._send_guard: + view = memoryview(item) + while view: + try: + bytes_sent = await self._trio_socket.send(view) + except BaseException as exc: + self._convert_socket_error(exc) + + view = view[bytes_sent:] + + async def send_eof(self) -> None: + self._trio_socket.shutdown(socket.SHUT_WR) + + +class UNIXSocketStream(SocketStream, abc.UNIXSocketStream): + async def receive_fds(self, msglen: int, maxfds: int) -> Tuple[bytes, List[int]]: + if not isinstance(msglen, int) or msglen < 0: + raise ValueError('msglen must be a non-negative integer') + if not isinstance(maxfds, int) or maxfds < 1: + raise ValueError('maxfds must be a positive integer') + + fds = array.array("i") + await checkpoint() + with self._receive_guard: + while True: + try: + message, ancdata, flags, addr = await self._trio_socket.recvmsg( + msglen, socket.CMSG_LEN(maxfds * fds.itemsize)) + except BaseException as exc: + self._convert_socket_error(exc) + else: + if not message and not ancdata: + raise EndOfStream + + break + + for cmsg_level, cmsg_type, cmsg_data in ancdata: + if cmsg_level != socket.SOL_SOCKET or cmsg_type != socket.SCM_RIGHTS: + raise RuntimeError(f'Received unexpected ancillary data; message = {message}, ' + f'cmsg_level = {cmsg_level}, cmsg_type = {cmsg_type}') + + fds.frombytes(cmsg_data[:len(cmsg_data) - (len(cmsg_data) % fds.itemsize)]) + + return message, list(fds) + + async def send_fds(self, message: bytes, fds: Collection[Union[int, IOBase]]) -> None: + if not message: + raise ValueError('message must not be empty') + if not fds: + raise ValueError('fds must not be empty') + + filenos: List[int] = [] + for fd in fds: + if isinstance(fd, int): + filenos.append(fd) + elif isinstance(fd, IOBase): + filenos.append(fd.fileno()) + + fdarray = array.array("i", filenos) + await checkpoint() + with self._send_guard: + while True: + try: + await self._trio_socket.sendmsg( + [message], [(socket.SOL_SOCKET, socket.SCM_RIGHTS, fdarray)]) + break + except BaseException as exc: + self._convert_socket_error(exc) + + +class TCPSocketListener(_TrioSocketMixin, abc.SocketListener): + def __init__(self, raw_socket: socket.socket): + super().__init__(trio.socket.from_stdlib_socket(raw_socket)) + self._accept_guard = ResourceGuard('accepting connections from') + + async def accept(self) -> SocketStream: + with self._accept_guard: + try: + trio_socket, _addr = await self._trio_socket.accept() + except BaseException as exc: + self._convert_socket_error(exc) + + trio_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + return SocketStream(trio_socket) + + +class UNIXSocketListener(_TrioSocketMixin, abc.SocketListener): + def __init__(self, raw_socket: socket.socket): + super().__init__(trio.socket.from_stdlib_socket(raw_socket)) + self._accept_guard = ResourceGuard('accepting connections from') + + async def accept(self) -> UNIXSocketStream: + with self._accept_guard: + try: + trio_socket, _addr = await self._trio_socket.accept() + except BaseException as exc: + self._convert_socket_error(exc) + + return UNIXSocketStream(trio_socket) + + +class UDPSocket(_TrioSocketMixin[IPSockAddrType], abc.UDPSocket): + def __init__(self, trio_socket: TrioSocketType) -> None: + super().__init__(trio_socket) + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + + async def receive(self) -> Tuple[bytes, IPSockAddrType]: + with self._receive_guard: + try: + data, addr = await self._trio_socket.recvfrom(65536) + return data, convert_ipv6_sockaddr(addr) + except BaseException as exc: + self._convert_socket_error(exc) + + async def send(self, item: UDPPacketType) -> None: + with self._send_guard: + try: + await self._trio_socket.sendto(*item) + except BaseException as exc: + self._convert_socket_error(exc) + + +class ConnectedUDPSocket(_TrioSocketMixin[IPSockAddrType], abc.ConnectedUDPSocket): + def __init__(self, trio_socket: TrioSocketType) -> None: + super().__init__(trio_socket) + self._receive_guard = ResourceGuard('reading from') + self._send_guard = ResourceGuard('writing to') + + async def receive(self) -> bytes: + with self._receive_guard: + try: + return await self._trio_socket.recv(65536) + except BaseException as exc: + self._convert_socket_error(exc) + + async def send(self, item: bytes) -> None: + with self._send_guard: + try: + await self._trio_socket.send(item) + except BaseException as exc: + self._convert_socket_error(exc) + + +async def connect_tcp(host: str, port: int, + local_address: Optional[IPSockAddrType] = None) -> SocketStream: + family = socket.AF_INET6 if ':' in host else socket.AF_INET + trio_socket = trio.socket.socket(family) + trio_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) + if local_address: + await trio_socket.bind(local_address) + + try: + await trio_socket.connect((host, port)) + except BaseException: + trio_socket.close() + raise + + return SocketStream(trio_socket) + + +async def connect_unix(path: str) -> UNIXSocketStream: + trio_socket = trio.socket.socket(socket.AF_UNIX) + try: + await trio_socket.connect(path) + except BaseException: + trio_socket.close() + raise + + return UNIXSocketStream(trio_socket) + + +async def create_udp_socket( + family: socket.AddressFamily, + local_address: Optional[IPSockAddrType], + remote_address: Optional[IPSockAddrType], + reuse_port: bool +) -> Union[UDPSocket, ConnectedUDPSocket]: + trio_socket = trio.socket.socket(family=family, type=socket.SOCK_DGRAM) + + if reuse_port: + trio_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1) + + if local_address: + await trio_socket.bind(local_address) + + if remote_address: + await trio_socket.connect(remote_address) + return ConnectedUDPSocket(trio_socket) + else: + return UDPSocket(trio_socket) + + +getaddrinfo = trio.socket.getaddrinfo +getnameinfo = trio.socket.getnameinfo + + +async def wait_socket_readable(sock: socket.socket) -> None: + try: + await wait_readable(sock) + except trio.ClosedResourceError as exc: + raise ClosedResourceError().with_traceback(exc.__traceback__) from None + except trio.BusyResourceError: + raise BusyResourceError('reading from') from None + + +async def wait_socket_writable(sock: socket.socket) -> None: + try: + await wait_writable(sock) + except trio.ClosedResourceError as exc: + raise ClosedResourceError().with_traceback(exc.__traceback__) from None + except trio.BusyResourceError: + raise BusyResourceError('writing to') from None + + +# +# Synchronization +# + +class Event(BaseEvent): + def __new__(cls) -> 'Event': + return object.__new__(cls) + + def __init__(self) -> None: + self.__original = trio.Event() + + def is_set(self) -> bool: + return self.__original.is_set() + + async def wait(self) -> None: + return await self.__original.wait() + + def statistics(self) -> EventStatistics: + return self.__original.statistics() + + def set(self) -> DeprecatedAwaitable: + self.__original.set() + return DeprecatedAwaitable(self.set) + + +class CapacityLimiter(BaseCapacityLimiter): + def __new__(cls, *args: object, **kwargs: object) -> "CapacityLimiter": + return object.__new__(cls) + + def __init__(self, *args: object, original: Optional[trio.CapacityLimiter] = None) -> None: + self.__original = original or trio.CapacityLimiter(*args) + + async def __aenter__(self) -> None: + return await self.__original.__aenter__() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return await self.__original.__aexit__(exc_type, exc_val, exc_tb) + + @property + def total_tokens(self) -> float: + return self.__original.total_tokens + + @total_tokens.setter + def total_tokens(self, value: float) -> None: + self.__original.total_tokens = value + + @property + def borrowed_tokens(self) -> int: + return self.__original.borrowed_tokens + + @property + def available_tokens(self) -> float: + return self.__original.available_tokens + + def acquire_nowait(self) -> DeprecatedAwaitable: + self.__original.acquire_nowait() + return DeprecatedAwaitable(self.acquire_nowait) + + def acquire_on_behalf_of_nowait(self, borrower: object) -> DeprecatedAwaitable: + self.__original.acquire_on_behalf_of_nowait(borrower) + return DeprecatedAwaitable(self.acquire_on_behalf_of_nowait) + + async def acquire(self) -> None: + await self.__original.acquire() + + async def acquire_on_behalf_of(self, borrower: object) -> None: + await self.__original.acquire_on_behalf_of(borrower) + + def release(self) -> None: + return self.__original.release() + + def release_on_behalf_of(self, borrower: object) -> None: + return self.__original.release_on_behalf_of(borrower) + + def statistics(self) -> CapacityLimiterStatistics: + return self.__original.statistics() + + +_capacity_limiter_wrapper = RunVar('_capacity_limiter_wrapper') + + +def current_default_thread_limiter() -> CapacityLimiter: + try: + return _capacity_limiter_wrapper.get() + except LookupError: + limiter = CapacityLimiter(original=trio.to_thread.current_default_thread_limiter()) + _capacity_limiter_wrapper.set(limiter) + return limiter + + +# +# Signal handling +# + +class _SignalReceiver(DeprecatedAsyncContextManager[T]): + def __init__(self, cm: ContextManager[T]): + self._cm = cm + + def __enter__(self) -> T: + return self._cm.__enter__() + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return self._cm.__exit__(exc_type, exc_val, exc_tb) + + +def open_signal_receiver(*signals: int) -> _SignalReceiver: + cm = trio.open_signal_receiver(*signals) + return _SignalReceiver(cm) + +# +# Testing and debugging +# + + +def get_current_task() -> TaskInfo: + task = trio_lowlevel.current_task() + + parent_id = None + if task.parent_nursery and task.parent_nursery.parent_task: + parent_id = id(task.parent_nursery.parent_task) + + return TaskInfo(id(task), parent_id, task.name, task.coro) + + +def get_running_tasks() -> List[TaskInfo]: + root_task = trio_lowlevel.current_root_task() + task_infos = [TaskInfo(id(root_task), None, root_task.name, root_task.coro)] + nurseries = root_task.child_nurseries + while nurseries: + new_nurseries: List[trio.Nursery] = [] + for nursery in nurseries: + for task in nursery.child_tasks: + task_infos.append( + TaskInfo(id(task), id(nursery.parent_task), task.name, task.coro)) + new_nurseries.extend(task.child_nurseries) + + nurseries = new_nurseries + + return task_infos + + +def wait_all_tasks_blocked() -> Awaitable[None]: + import trio.testing + return trio.testing.wait_all_tasks_blocked() + + +class TestRunner(abc.TestRunner): + def __init__(self, **options: object) -> None: + from collections import deque + from queue import Queue + + self._call_queue: "Queue[Callable[..., object]]" = Queue() + self._result_queue: Deque[Outcome] = deque() + self._stop_event: Optional[trio.Event] = None + self._nursery: Optional[trio.Nursery] = None + self._options = options + + async def _trio_main(self) -> None: + self._stop_event = trio.Event() + async with trio.open_nursery() as self._nursery: + await self._stop_event.wait() + + async def _call_func(self, func: Callable[..., Awaitable[object]], + args: tuple, kwargs: dict) -> None: + try: + retval = await func(*args, **kwargs) + except BaseException as exc: + self._result_queue.append(Error(exc)) + else: + self._result_queue.append(Value(retval)) + + def _main_task_finished(self, outcome: object) -> None: + self._nursery = None + + def close(self) -> None: + if self._stop_event: + self._stop_event.set() + while self._nursery is not None: + self._call_queue.get()() + + def call(self, func: Callable[..., Awaitable[T_Retval]], + *args: object, **kwargs: object) -> T_Retval: + if self._nursery is None: + trio.lowlevel.start_guest_run( + self._trio_main, run_sync_soon_threadsafe=self._call_queue.put, + done_callback=self._main_task_finished, **self._options) + while self._nursery is None: + self._call_queue.get()() + + self._nursery.start_soon(self._call_func, func, args, kwargs) + while not self._result_queue: + self._call_queue.get()() + + outcome = self._result_queue.pop() + return outcome.unwrap() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/__init__.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_compat.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_compat.py new file mode 100644 index 0000000..0320ae9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_compat.py @@ -0,0 +1,175 @@ +from abc import ABCMeta, abstractmethod +from contextlib import AbstractContextManager +from types import TracebackType +from typing import ( + TYPE_CHECKING, AsyncContextManager, Callable, ContextManager, Generator, Generic, Iterable, + List, Optional, Tuple, Type, TypeVar, Union, overload) +from warnings import warn + +if TYPE_CHECKING: + from ._testing import TaskInfo +else: + TaskInfo = object + +T = TypeVar('T') +AnyDeprecatedAwaitable = Union['DeprecatedAwaitable', 'DeprecatedAwaitableFloat', + 'DeprecatedAwaitableList', TaskInfo] + + +@overload +async def maybe_async(__obj: TaskInfo) -> TaskInfo: + ... + + +@overload +async def maybe_async(__obj: 'DeprecatedAwaitableFloat') -> float: + ... + + +@overload +async def maybe_async(__obj: 'DeprecatedAwaitableList[T]') -> List[T]: + ... + + +@overload +async def maybe_async(__obj: 'DeprecatedAwaitable') -> None: + ... + + +async def maybe_async(__obj: AnyDeprecatedAwaitable) -> Union[TaskInfo, float, list, None]: + """ + Await on the given object if necessary. + + This function is intended to bridge the gap between AnyIO 2.x and 3.x where some functions and + methods were converted from coroutine functions into regular functions. + + Do **not** try to use this for any other purpose! + + :return: the result of awaiting on the object if coroutine, or the object itself otherwise + + .. versionadded:: 2.2 + + """ + return __obj._unwrap() + + +class _ContextManagerWrapper: + def __init__(self, cm: ContextManager[T]): + self._cm = cm + + async def __aenter__(self) -> T: + return self._cm.__enter__() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return self._cm.__exit__(exc_type, exc_val, exc_tb) + + +def maybe_async_cm(cm: Union[ContextManager[T], AsyncContextManager[T]]) -> AsyncContextManager[T]: + """ + Wrap a regular context manager as an async one if necessary. + + This function is intended to bridge the gap between AnyIO 2.x and 3.x where some functions and + methods were changed to return regular context managers instead of async ones. + + :param cm: a regular or async context manager + :return: an async context manager + + .. versionadded:: 2.2 + + """ + if not isinstance(cm, AbstractContextManager): + raise TypeError('Given object is not an context manager') + + return _ContextManagerWrapper(cm) + + +def _warn_deprecation(awaitable: AnyDeprecatedAwaitable, stacklevel: int = 1) -> None: + warn(f'Awaiting on {awaitable._name}() is deprecated. Use "await ' + f'anyio.maybe_async({awaitable._name}(...)) if you have to support both AnyIO 2.x ' + f'and 3.x, or just remove the "await" if you are completely migrating to AnyIO 3+.', + DeprecationWarning, stacklevel=stacklevel + 1) + + +class DeprecatedAwaitable: + def __init__(self, func: Callable[..., 'DeprecatedAwaitable']): + self._name = f'{func.__module__}.{func.__qualname__}' + + def __await__(self) -> Generator[None, None, None]: + _warn_deprecation(self) + if False: + yield + + def __reduce__(self) -> Tuple[Type[None], Tuple]: + return type(None), () + + def _unwrap(self) -> None: + return None + + +class DeprecatedAwaitableFloat(float): + def __new__( + cls, x: float, func: Callable[..., 'DeprecatedAwaitableFloat'] + ) -> 'DeprecatedAwaitableFloat': + return super().__new__(cls, x) + + def __init__(self, x: float, func: Callable[..., 'DeprecatedAwaitableFloat']): + self._name = f'{func.__module__}.{func.__qualname__}' + + def __await__(self) -> Generator[None, None, float]: + _warn_deprecation(self) + if False: + yield + + return float(self) + + def __reduce__(self) -> Tuple[Type[float], Tuple[float]]: + return float, (float(self),) + + def _unwrap(self) -> float: + return float(self) + + +class DeprecatedAwaitableList(List[T]): + def __init__(self, iterable: Iterable[T] = (), *, + func: Callable[..., 'DeprecatedAwaitableList']): + super().__init__(iterable) + self._name = f'{func.__module__}.{func.__qualname__}' + + def __await__(self) -> Generator[None, None, List[T]]: + _warn_deprecation(self) + if False: + yield + + return list(self) + + def __reduce__(self) -> Tuple[Type[list], Tuple[List[T]]]: + return list, (list(self),) + + def _unwrap(self) -> List[T]: + return list(self) + + +class DeprecatedAsyncContextManager(Generic[T], metaclass=ABCMeta): + @abstractmethod + def __enter__(self) -> T: + pass + + @abstractmethod + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + pass + + async def __aenter__(self) -> T: + warn(f'Using {self.__class__.__name__} as an async context manager has been deprecated. ' + f'Use "async with anyio.maybe_async_cm(yourcontextmanager) as foo:" if you have to ' + f'support both AnyIO 2.x and 3.x, or just remove the "async" from "async with" if ' + f'you are completely migrating to AnyIO 3+.', DeprecationWarning) + return self.__enter__() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return self.__exit__(exc_type, exc_val, exc_tb) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_eventloop.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_eventloop.py new file mode 100644 index 0000000..f2364a3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_eventloop.py @@ -0,0 +1,142 @@ +import math +import sys +import threading +from contextlib import contextmanager +from importlib import import_module +from typing import Any, Callable, Coroutine, Dict, Generator, Optional, Tuple, Type, TypeVar + +import sniffio + +# This must be updated when new backends are introduced +from ._compat import DeprecatedAwaitableFloat + +BACKENDS = 'asyncio', 'trio' + +T_Retval = TypeVar('T_Retval') +threadlocals = threading.local() + + +def run(func: Callable[..., Coroutine[Any, Any, T_Retval]], *args: object, + backend: str = 'asyncio', backend_options: Optional[Dict[str, Any]] = None) -> T_Retval: + """ + Run the given coroutine function in an asynchronous event loop. + + The current thread must not be already running an event loop. + + :param func: a coroutine function + :param args: positional arguments to ``func`` + :param backend: name of the asynchronous event loop implementation – currently either + ``asyncio`` or ``trio`` + :param backend_options: keyword arguments to call the backend ``run()`` implementation with + (documented :ref:`here `) + :return: the return value of the coroutine function + :raises RuntimeError: if an asynchronous event loop is already running in this thread + :raises LookupError: if the named backend is not found + + """ + try: + asynclib_name = sniffio.current_async_library() + except sniffio.AsyncLibraryNotFoundError: + pass + else: + raise RuntimeError(f'Already running {asynclib_name} in this thread') + + try: + asynclib = import_module(f'..._backends._{backend}', package=__name__) + except ImportError as exc: + raise LookupError(f'No such backend: {backend}') from exc + + token = None + if sniffio.current_async_library_cvar.get(None) is None: + # Since we're in control of the event loop, we can cache the name of the async library + token = sniffio.current_async_library_cvar.set(backend) + + try: + backend_options = backend_options or {} + return asynclib.run(func, *args, **backend_options) # type: ignore + finally: + if token: + sniffio.current_async_library_cvar.reset(token) + + +async def sleep(delay: float) -> None: + """ + Pause the current task for the specified duration. + + :param delay: the duration, in seconds + + """ + return await get_asynclib().sleep(delay) + + +async def sleep_forever() -> None: + """ + Pause the current task until it's cancelled. + + This is a shortcut for ``sleep(math.inf)``. + + .. versionadded:: 3.1 + + """ + await sleep(math.inf) + + +async def sleep_until(deadline: float) -> None: + """ + Pause the current task until the given time. + + :param deadline: the absolute time to wake up at (according to the internal monotonic clock of + the event loop) + + .. versionadded:: 3.1 + + """ + now = current_time() + await sleep(max(deadline - now, 0)) + + +def current_time() -> DeprecatedAwaitableFloat: + """ + Return the current value of the event loop's internal clock. + + :return: the clock value (seconds) + + """ + return DeprecatedAwaitableFloat(get_asynclib().current_time(), current_time) + + +def get_all_backends() -> Tuple[str, ...]: + """Return a tuple of the names of all built-in backends.""" + return BACKENDS + + +def get_cancelled_exc_class() -> Type[BaseException]: + """Return the current async library's cancellation exception class.""" + return get_asynclib().CancelledError + + +# +# Private API +# + +@contextmanager +def claim_worker_thread(backend: str) -> Generator[Any, None, None]: + module = sys.modules['anyio._backends._' + backend] + threadlocals.current_async_module = module + token = sniffio.current_async_library_cvar.set(backend) + try: + yield + finally: + sniffio.current_async_library_cvar.reset(token) + del threadlocals.current_async_module + + +def get_asynclib(asynclib_name: Optional[str] = None) -> Any: + if asynclib_name is None: + asynclib_name = sniffio.current_async_library() + + modulename = 'anyio._backends._' + asynclib_name + try: + return sys.modules[modulename] + except KeyError: + return import_module(modulename) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_exceptions.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_exceptions.py new file mode 100644 index 0000000..52e5980 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_exceptions.py @@ -0,0 +1,82 @@ +from traceback import format_exception +from typing import Sequence + + +class BrokenResourceError(Exception): + """ + Raised when trying to use a resource that has been rendered unusuable due to external causes + (e.g. a send stream whose peer has disconnected). + """ + + +class BrokenWorkerProcess(Exception): + """ + Raised by :func:`run_sync_in_process` if the worker process terminates abruptly or otherwise + misbehaves. + """ + + +class BusyResourceError(Exception): + """Raised when two tasks are trying to read from or write to the same resource concurrently.""" + + def __init__(self, action: str): + super().__init__(f'Another task is already {action} this resource') + + +class ClosedResourceError(Exception): + """Raised when trying to use a resource that has been closed.""" + + +class DelimiterNotFound(Exception): + """ + Raised during :meth:`~anyio.streams.buffered.BufferedByteReceiveStream.receive_until` if the + maximum number of bytes has been read without the delimiter being found. + """ + + def __init__(self, max_bytes: int) -> None: + super().__init__(f'The delimiter was not found among the first {max_bytes} bytes') + + +class EndOfStream(Exception): + """Raised when trying to read from a stream that has been closed from the other end.""" + + +class ExceptionGroup(BaseException): + """Raised when multiple exceptions have been raised in a task group.""" + + SEPARATOR = '----------------------------\n' + + #: the sequence of exceptions raised together + exceptions: Sequence[BaseException] + + def __str__(self) -> str: + tracebacks = [''.join(format_exception(type(exc), exc, exc.__traceback__)) + for exc in self.exceptions] + return f'{len(self.exceptions)} exceptions were raised in the task group:\n' \ + f'{self.SEPARATOR}{self.SEPARATOR.join(tracebacks)}' + + def __repr__(self) -> str: + exception_reprs = ', '.join(repr(exc) for exc in self.exceptions) + return f'<{self.__class__.__name__}: {exception_reprs}>' + + +class IncompleteRead(Exception): + """ + Raised during :meth:`~anyio.streams.buffered.BufferedByteReceiveStream.receive_exactly` or + :meth:`~anyio.streams.buffered.BufferedByteReceiveStream.receive_until` if the + connection is closed before the requested amount of bytes has been read. + """ + + def __init__(self) -> None: + super().__init__('The stream was closed before the read operation could be completed') + + +class TypedAttributeLookupError(LookupError): + """ + Raised by :meth:`~anyio.TypedAttributeProvider.extra` when the given typed attribute is not + found and no default value has been given. + """ + + +class WouldBlock(Exception): + """Raised by ``X_nowait`` functions if ``X()`` would block.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_fileio.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_fileio.py new file mode 100644 index 0000000..6f8f3f4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_fileio.py @@ -0,0 +1,527 @@ +import os +import pathlib +import sys +from dataclasses import dataclass +from functools import partial +from os import PathLike +from typing import ( + IO, TYPE_CHECKING, Any, AnyStr, AsyncIterator, Callable, Generic, Iterable, Iterator, List, + Optional, Sequence, Tuple, Union, cast, overload) + +from .. import to_thread +from ..abc import AsyncResource + +if sys.version_info >= (3, 8): + from typing import Final +else: + from typing_extensions import Final + +if TYPE_CHECKING: + from _typeshed import OpenBinaryMode, OpenTextMode, ReadableBuffer, WriteableBuffer +else: + ReadableBuffer = OpenBinaryMode = OpenTextMode = WriteableBuffer = object + + +class AsyncFile(AsyncResource, Generic[AnyStr]): + """ + An asynchronous file object. + + This class wraps a standard file object and provides async friendly versions of the following + blocking methods (where available on the original file object): + + * read + * read1 + * readline + * readlines + * readinto + * readinto1 + * write + * writelines + * truncate + * seek + * tell + * flush + + All other methods are directly passed through. + + This class supports the asynchronous context manager protocol which closes the underlying file + at the end of the context block. + + This class also supports asynchronous iteration:: + + async with await open_file(...) as f: + async for line in f: + print(line) + """ + + def __init__(self, fp: IO[AnyStr]) -> None: + self._fp: Any = fp + + def __getattr__(self, name: str) -> object: + return getattr(self._fp, name) + + @property + def wrapped(self) -> IO[AnyStr]: + """The wrapped file object.""" + return self._fp + + async def __aiter__(self) -> AsyncIterator[AnyStr]: + while True: + line = await self.readline() + if line: + yield line + else: + break + + async def aclose(self) -> None: + return await to_thread.run_sync(self._fp.close) + + async def read(self, size: int = -1) -> AnyStr: + return await to_thread.run_sync(self._fp.read, size) + + async def read1(self: 'AsyncFile[bytes]', size: int = -1) -> bytes: + return await to_thread.run_sync(self._fp.read1, size) + + async def readline(self) -> AnyStr: + return await to_thread.run_sync(self._fp.readline) + + async def readlines(self) -> List[AnyStr]: + return await to_thread.run_sync(self._fp.readlines) + + async def readinto(self: 'AsyncFile[bytes]', b: WriteableBuffer) -> bytes: + return await to_thread.run_sync(self._fp.readinto, b) + + async def readinto1(self: 'AsyncFile[bytes]', b: WriteableBuffer) -> bytes: + return await to_thread.run_sync(self._fp.readinto1, b) + + @overload + async def write(self: 'AsyncFile[bytes]', b: ReadableBuffer) -> int: ... + + @overload + async def write(self: 'AsyncFile[str]', b: str) -> int: ... + + async def write(self, b: Union[ReadableBuffer, str]) -> int: + return await to_thread.run_sync(self._fp.write, b) + + @overload + async def writelines(self: 'AsyncFile[bytes]', lines: Iterable[ReadableBuffer]) -> None: ... + + @overload + async def writelines(self: 'AsyncFile[str]', lines: Iterable[str]) -> None: ... + + async def writelines(self, lines: Union[Iterable[ReadableBuffer], Iterable[str]]) -> None: + return await to_thread.run_sync(self._fp.writelines, lines) + + async def truncate(self, size: Optional[int] = None) -> int: + return await to_thread.run_sync(self._fp.truncate, size) + + async def seek(self, offset: int, whence: Optional[int] = os.SEEK_SET) -> int: + return await to_thread.run_sync(self._fp.seek, offset, whence) + + async def tell(self) -> int: + return await to_thread.run_sync(self._fp.tell) + + async def flush(self) -> None: + return await to_thread.run_sync(self._fp.flush) + + +@overload +async def open_file(file: Union[str, PathLike, int], mode: OpenBinaryMode, + buffering: int = ..., encoding: Optional[str] = ..., + errors: Optional[str] = ..., newline: Optional[str] = ..., closefd: bool = ..., + opener: Optional[Callable[[str, int], int]] = ...) -> AsyncFile[bytes]: + ... + + +@overload +async def open_file(file: Union[str, PathLike, int], mode: OpenTextMode = ..., + buffering: int = ..., encoding: Optional[str] = ..., + errors: Optional[str] = ..., newline: Optional[str] = ..., closefd: bool = ..., + opener: Optional[Callable[[str, int], int]] = ...) -> AsyncFile[str]: + ... + + +async def open_file(file: Union[str, PathLike, int], mode: str = 'r', buffering: int = -1, + encoding: Optional[str] = None, errors: Optional[str] = None, + newline: Optional[str] = None, closefd: bool = True, + opener: Optional[Callable[[str, int], int]] = None) -> AsyncFile: + """ + Open a file asynchronously. + + The arguments are exactly the same as for the builtin :func:`open`. + + :return: an asynchronous file object + + """ + fp = await to_thread.run_sync(open, file, mode, buffering, encoding, errors, newline, + closefd, opener) + return AsyncFile(fp) + + +def wrap_file(file: IO[AnyStr]) -> AsyncFile[AnyStr]: + """ + Wrap an existing file as an asynchronous file. + + :param file: an existing file-like object + :return: an asynchronous file object + + """ + return AsyncFile(file) + + +@dataclass(eq=False) +class _PathIterator(AsyncIterator['Path']): + iterator: Iterator[PathLike] + + async def __anext__(self) -> 'Path': + nextval = await to_thread.run_sync(next, self.iterator, None, cancellable=True) + if nextval is None: + raise StopAsyncIteration from None + + return Path(cast(PathLike, nextval)) + + +class Path: + """ + An asynchronous version of :class:`pathlib.Path`. + + This class cannot be substituted for :class:`pathlib.Path` or :class:`pathlib.PurePath`, but + it is compatible with the :class:`os.PathLike` interface. + + It implements the Python 3.10 version of :class:`pathlib.Path` interface, except for the + deprecated :meth:`~pathlib.Path.link_to` method. + + Any methods that do disk I/O need to be awaited on. These methods are: + + * :meth:`~pathlib.Path.absolute` + * :meth:`~pathlib.Path.chmod` + * :meth:`~pathlib.Path.cwd` + * :meth:`~pathlib.Path.exists` + * :meth:`~pathlib.Path.expanduser` + * :meth:`~pathlib.Path.group` + * :meth:`~pathlib.Path.hardlink_to` + * :meth:`~pathlib.Path.home` + * :meth:`~pathlib.Path.is_block_device` + * :meth:`~pathlib.Path.is_char_device` + * :meth:`~pathlib.Path.is_dir` + * :meth:`~pathlib.Path.is_fifo` + * :meth:`~pathlib.Path.is_file` + * :meth:`~pathlib.Path.is_mount` + * :meth:`~pathlib.Path.lchmod` + * :meth:`~pathlib.Path.lstat` + * :meth:`~pathlib.Path.mkdir` + * :meth:`~pathlib.Path.open` + * :meth:`~pathlib.Path.owner` + * :meth:`~pathlib.Path.read_bytes` + * :meth:`~pathlib.Path.read_text` + * :meth:`~pathlib.Path.readlink` + * :meth:`~pathlib.Path.rename` + * :meth:`~pathlib.Path.replace` + * :meth:`~pathlib.Path.rmdir` + * :meth:`~pathlib.Path.samefile` + * :meth:`~pathlib.Path.stat` + * :meth:`~pathlib.Path.touch` + * :meth:`~pathlib.Path.unlink` + * :meth:`~pathlib.Path.write_bytes` + * :meth:`~pathlib.Path.write_text` + + Additionally, the following methods return an async iterator yielding :class:`~.Path` objects: + + * :meth:`~pathlib.Path.glob` + * :meth:`~pathlib.Path.iterdir` + * :meth:`~pathlib.Path.rglob` + """ + + __slots__ = '_path', '__weakref__' + + def __init__(self, *args: Union[str, PathLike]) -> None: + self._path: Final[pathlib.Path] = pathlib.Path(*args) + + def __fspath__(self) -> str: + return self._path.__fspath__() + + def __str__(self) -> str: + return self._path.__str__() + + def __repr__(self) -> str: + return f'{self.__class__.__name__}({self.as_posix()!r})' + + def __bytes__(self) -> bytes: + return self._path.__bytes__() + + def __hash__(self) -> int: + return self._path.__hash__() + + def __eq__(self, other: object) -> bool: + target = other._path if isinstance(other, Path) else other + return self._path.__eq__(target) + + def __lt__(self, other: 'Path') -> bool: + target = other._path if isinstance(other, Path) else other + return self._path.__lt__(target) + + def __le__(self, other: 'Path') -> bool: + target = other._path if isinstance(other, Path) else other + return self._path.__le__(target) + + def __gt__(self, other: 'Path') -> bool: + target = other._path if isinstance(other, Path) else other + return self._path.__gt__(target) + + def __ge__(self, other: 'Path') -> bool: + target = other._path if isinstance(other, Path) else other + return self._path.__ge__(target) + + def __truediv__(self, other: Any) -> 'Path': + return Path(self._path / other) + + def __rtruediv__(self, other: Any) -> 'Path': + return Path(other) / self + + @property + def parts(self) -> Tuple[str, ...]: + return self._path.parts + + @property + def drive(self) -> str: + return self._path.drive + + @property + def root(self) -> str: + return self._path.root + + @property + def anchor(self) -> str: + return self._path.anchor + + @property + def parents(self) -> Sequence['Path']: + return tuple(Path(p) for p in self._path.parents) + + @property + def parent(self) -> 'Path': + return Path(self._path.parent) + + @property + def name(self) -> str: + return self._path.name + + @property + def suffix(self) -> str: + return self._path.suffix + + @property + def suffixes(self) -> List[str]: + return self._path.suffixes + + @property + def stem(self) -> str: + return self._path.stem + + async def absolute(self) -> 'Path': + path = await to_thread.run_sync(self._path.absolute) + return Path(path) + + def as_posix(self) -> str: + return self._path.as_posix() + + def as_uri(self) -> str: + return self._path.as_uri() + + def match(self, path_pattern: str) -> bool: + return self._path.match(path_pattern) + + def is_relative_to(self, *other: Union[str, PathLike]) -> bool: + try: + self.relative_to(*other) + return True + except ValueError: + return False + + async def chmod(self, mode: int, *, follow_symlinks: bool = True) -> None: + func = partial(os.chmod, follow_symlinks=follow_symlinks) + return await to_thread.run_sync(func, self._path, mode) + + @classmethod + async def cwd(cls) -> 'Path': + path = await to_thread.run_sync(pathlib.Path.cwd) + return cls(path) + + async def exists(self) -> bool: + return await to_thread.run_sync(self._path.exists, cancellable=True) + + async def expanduser(self) -> 'Path': + return Path(await to_thread.run_sync(self._path.expanduser, cancellable=True)) + + def glob(self, pattern: str) -> AsyncIterator['Path']: + gen = self._path.glob(pattern) + return _PathIterator(gen) + + async def group(self) -> str: + return await to_thread.run_sync(self._path.group, cancellable=True) + + async def hardlink_to(self, target: Union[str, pathlib.Path, 'Path']) -> None: + if isinstance(target, Path): + target = target._path + + await to_thread.run_sync(os.link, target, self) + + @classmethod + async def home(cls) -> 'Path': + home_path = await to_thread.run_sync(pathlib.Path.home) + return cls(home_path) + + def is_absolute(self) -> bool: + return self._path.is_absolute() + + async def is_block_device(self) -> bool: + return await to_thread.run_sync(self._path.is_block_device, cancellable=True) + + async def is_char_device(self) -> bool: + return await to_thread.run_sync(self._path.is_char_device, cancellable=True) + + async def is_dir(self) -> bool: + return await to_thread.run_sync(self._path.is_dir, cancellable=True) + + async def is_fifo(self) -> bool: + return await to_thread.run_sync(self._path.is_fifo, cancellable=True) + + async def is_file(self) -> bool: + return await to_thread.run_sync(self._path.is_file, cancellable=True) + + async def is_mount(self) -> bool: + return await to_thread.run_sync(os.path.ismount, self._path, cancellable=True) + + def is_reserved(self) -> bool: + return self._path.is_reserved() + + async def is_socket(self) -> bool: + return await to_thread.run_sync(self._path.is_socket, cancellable=True) + + async def is_symlink(self) -> bool: + return await to_thread.run_sync(self._path.is_symlink, cancellable=True) + + def iterdir(self) -> AsyncIterator['Path']: + gen = self._path.iterdir() + return _PathIterator(gen) + + def joinpath(self, *args: Union[str, 'PathLike[str]']) -> 'Path': + return Path(self._path.joinpath(*args)) + + async def lchmod(self, mode: int) -> None: + await to_thread.run_sync(self._path.lchmod, mode) + + async def lstat(self) -> os.stat_result: + return await to_thread.run_sync(self._path.lstat, cancellable=True) + + async def mkdir(self, mode: int = 0o777, parents: bool = False, + exist_ok: bool = False) -> None: + await to_thread.run_sync(self._path.mkdir, mode, parents, exist_ok) + + @overload + async def open(self, mode: OpenBinaryMode, buffering: int = ..., encoding: Optional[str] = ..., + errors: Optional[str] = ..., newline: Optional[str] = ...) -> AsyncFile[bytes]: + ... + + @overload + async def open(self, mode: OpenTextMode = ..., buffering: int = ..., + encoding: Optional[str] = ..., errors: Optional[str] = ..., + newline: Optional[str] = ...) -> AsyncFile[str]: + ... + + async def open(self, mode: str = 'r', buffering: int = -1, encoding: Optional[str] = None, + errors: Optional[str] = None, newline: Optional[str] = None) -> AsyncFile: + fp = await to_thread.run_sync(self._path.open, mode, buffering, encoding, errors, newline) + return AsyncFile(fp) + + async def owner(self) -> str: + return await to_thread.run_sync(self._path.owner, cancellable=True) + + async def read_bytes(self) -> bytes: + return await to_thread.run_sync(self._path.read_bytes) + + async def read_text(self, encoding: Optional[str] = None, errors: Optional[str] = None) -> str: + return await to_thread.run_sync(self._path.read_text, encoding, errors) + + def relative_to(self, *other: Union[str, PathLike]) -> 'Path': + return Path(self._path.relative_to(*other)) + + async def readlink(self) -> 'Path': + target = await to_thread.run_sync(os.readlink, self._path) + return Path(cast(str, target)) + + async def rename(self, target: Union[str, pathlib.PurePath, 'Path']) -> 'Path': + if isinstance(target, Path): + target = target._path + + await to_thread.run_sync(self._path.rename, target) + return Path(target) + + async def replace(self, target: Union[str, pathlib.PurePath, 'Path']) -> 'Path': + if isinstance(target, Path): + target = target._path + + await to_thread.run_sync(self._path.replace, target) + return Path(target) + + async def resolve(self, strict: bool = False) -> 'Path': + func = partial(self._path.resolve, strict=strict) + return Path(await to_thread.run_sync(func, cancellable=True)) + + def rglob(self, pattern: str) -> AsyncIterator['Path']: + gen = self._path.rglob(pattern) + return _PathIterator(gen) + + async def rmdir(self) -> None: + await to_thread.run_sync(self._path.rmdir) + + async def samefile(self, other_path: Union[str, bytes, int, pathlib.Path, 'Path']) -> bool: + if isinstance(other_path, Path): + other_path = other_path._path + + return await to_thread.run_sync(self._path.samefile, other_path, cancellable=True) + + async def stat(self, *, follow_symlinks: bool = True) -> os.stat_result: + func = partial(os.stat, follow_symlinks=follow_symlinks) + return await to_thread.run_sync(func, self._path, cancellable=True) + + async def symlink_to(self, target: Union[str, pathlib.Path, 'Path'], + target_is_directory: bool = False) -> None: + if isinstance(target, Path): + target = target._path + + await to_thread.run_sync(self._path.symlink_to, target, target_is_directory) + + async def touch(self, mode: int = 0o666, exist_ok: bool = True) -> None: + await to_thread.run_sync(self._path.touch, mode, exist_ok) + + async def unlink(self, missing_ok: bool = False) -> None: + try: + await to_thread.run_sync(self._path.unlink) + except FileNotFoundError: + if not missing_ok: + raise + + def with_name(self, name: str) -> 'Path': + return Path(self._path.with_name(name)) + + def with_stem(self, stem: str) -> 'Path': + return Path(self._path.with_name(stem + self._path.suffix)) + + def with_suffix(self, suffix: str) -> 'Path': + return Path(self._path.with_suffix(suffix)) + + async def write_bytes(self, data: bytes) -> int: + return await to_thread.run_sync(self._path.write_bytes, data) + + async def write_text(self, data: str, encoding: Optional[str] = None, + errors: Optional[str] = None, newline: Optional[str] = None) -> int: + # Path.write_text() does not support the "newline" parameter before Python 3.10 + def sync_write_text() -> int: + with self._path.open('w', encoding=encoding, errors=errors, newline=newline) as fp: + return fp.write(data) + + return await to_thread.run_sync(sync_write_text) + + +PathLike.register(Path) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_resources.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_resources.py new file mode 100644 index 0000000..b9414f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_resources.py @@ -0,0 +1,16 @@ +from ..abc import AsyncResource +from ._tasks import CancelScope + + +async def aclose_forcefully(resource: AsyncResource) -> None: + """ + Close an asynchronous resource in a cancelled scope. + + Doing this closes the resource without waiting on anything. + + :param resource: the resource to close + + """ + with CancelScope() as scope: + scope.cancel() + await resource.aclose() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_signals.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_signals.py new file mode 100644 index 0000000..f761982 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_signals.py @@ -0,0 +1,22 @@ +from typing import AsyncIterator + +from ._compat import DeprecatedAsyncContextManager +from ._eventloop import get_asynclib + + +def open_signal_receiver(*signals: int) -> DeprecatedAsyncContextManager[AsyncIterator[int]]: + """ + Start receiving operating system signals. + + :param signals: signals to receive (e.g. ``signal.SIGINT``) + :return: an asynchronous context manager for an asynchronous iterator which yields signal + numbers + + .. warning:: Windows does not support signals natively so it is best to avoid relying on this + in cross-platform applications. + + .. warning:: On asyncio, this permanently replaces any previous signal handler for the given + signals, as set via :meth:`~asyncio.loop.add_signal_handler`. + + """ + return get_asynclib().open_signal_receiver(*signals) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_sockets.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_sockets.py new file mode 100644 index 0000000..f58cdc3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_sockets.py @@ -0,0 +1,503 @@ +import socket +import ssl +import sys +from ipaddress import IPv6Address, ip_address +from os import PathLike, chmod +from pathlib import Path +from socket import AddressFamily, SocketKind +from typing import Awaitable, List, Optional, Tuple, Union, cast, overload + +from .. import to_thread +from ..abc import ( + ConnectedUDPSocket, IPAddressType, IPSockAddrType, SocketListener, SocketStream, UDPSocket, + UNIXSocketStream) +from ..streams.stapled import MultiListener +from ..streams.tls import TLSStream +from ._eventloop import get_asynclib +from ._resources import aclose_forcefully +from ._synchronization import Event +from ._tasks import create_task_group, move_on_after + +if sys.version_info >= (3, 8): + from typing import Literal +else: + from typing_extensions import Literal + +IPPROTO_IPV6 = getattr(socket, 'IPPROTO_IPV6', 41) # https://bugs.python.org/issue29515 + +GetAddrInfoReturnType = List[Tuple[AddressFamily, SocketKind, int, str, Tuple[str, int]]] +AnyIPAddressFamily = Literal[AddressFamily.AF_UNSPEC, AddressFamily.AF_INET, + AddressFamily.AF_INET6] +IPAddressFamily = Literal[AddressFamily.AF_INET, AddressFamily.AF_INET6] + + +# tls_hostname given +@overload +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = ..., + ssl_context: Optional[ssl.SSLContext] = ..., tls_standard_compatible: bool = ..., + tls_hostname: str, happy_eyeballs_delay: float = ... +) -> TLSStream: + ... + + +# ssl_context given +@overload +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = ..., + ssl_context: ssl.SSLContext, tls_standard_compatible: bool = ..., + tls_hostname: Optional[str] = ..., happy_eyeballs_delay: float = ... +) -> TLSStream: + ... + + +# tls=True +@overload +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = ..., + tls: Literal[True], ssl_context: Optional[ssl.SSLContext] = ..., + tls_standard_compatible: bool = ..., tls_hostname: Optional[str] = ..., + happy_eyeballs_delay: float = ... +) -> TLSStream: + ... + + +# tls=False +@overload +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = ..., + tls: Literal[False], ssl_context: Optional[ssl.SSLContext] = ..., + tls_standard_compatible: bool = ..., tls_hostname: Optional[str] = ..., + happy_eyeballs_delay: float = ... +) -> SocketStream: + ... + + +# No TLS arguments +@overload +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = ..., + happy_eyeballs_delay: float = ... +) -> SocketStream: + ... + + +async def connect_tcp( + remote_host: IPAddressType, remote_port: int, *, local_host: Optional[IPAddressType] = None, + tls: bool = False, ssl_context: Optional[ssl.SSLContext] = None, + tls_standard_compatible: bool = True, tls_hostname: Optional[str] = None, + happy_eyeballs_delay: float = 0.25 +) -> Union[SocketStream, TLSStream]: + """ + Connect to a host using the TCP protocol. + + This function implements the stateless version of the Happy Eyeballs algorithm (RFC 6555). + If ``address`` is a host name that resolves to multiple IP addresses, each one is tried until + one connection attempt succeeds. If the first attempt does not connected within 250 + milliseconds, a second attempt is started using the next address in the list, and so on. + On IPv6 enabled systems, an IPv6 address (if available) is tried first. + + When the connection has been established, a TLS handshake will be done if either + ``ssl_context`` or ``tls_hostname`` is not ``None``, or if ``tls`` is ``True``. + + :param remote_host: the IP address or host name to connect to + :param remote_port: port on the target host to connect to + :param local_host: the interface address or name to bind the socket to before connecting + :param tls: ``True`` to do a TLS handshake with the connected stream and return a + :class:`~anyio.streams.tls.TLSStream` instead + :param ssl_context: the SSL context object to use (if omitted, a default context is created) + :param tls_standard_compatible: If ``True``, performs the TLS shutdown handshake before closing + the stream and requires that the server does this as well. Otherwise, + :exc:`~ssl.SSLEOFError` may be raised during reads from the stream. + Some protocols, such as HTTP, require this option to be ``False``. + See :meth:`~ssl.SSLContext.wrap_socket` for details. + :param tls_hostname: host name to check the server certificate against (defaults to the value + of ``remote_host``) + :param happy_eyeballs_delay: delay (in seconds) before starting the next connection attempt + :return: a socket stream object if no TLS handshake was done, otherwise a TLS stream + :raises OSError: if the connection attempt fails + + """ + # Placed here due to https://github.com/python/mypy/issues/7057 + connected_stream: Optional[SocketStream] = None + + async def try_connect(remote_host: str, event: Event) -> None: + nonlocal connected_stream + try: + stream = await asynclib.connect_tcp(remote_host, remote_port, local_address) + except OSError as exc: + oserrors.append(exc) + return + else: + if connected_stream is None: + connected_stream = stream + tg.cancel_scope.cancel() + else: + await stream.aclose() + finally: + event.set() + + asynclib = get_asynclib() + local_address: Optional[IPSockAddrType] = None + family = socket.AF_UNSPEC + if local_host: + gai_res = await getaddrinfo(str(local_host), None) + family, *_, local_address = gai_res[0] + + target_host = str(remote_host) + try: + addr_obj = ip_address(remote_host) + except ValueError: + # getaddrinfo() will raise an exception if name resolution fails + gai_res = await getaddrinfo(target_host, remote_port, family=family, + type=socket.SOCK_STREAM) + + # Organize the list so that the first address is an IPv6 address (if available) and the + # second one is an IPv4 addresses. The rest can be in whatever order. + v6_found = v4_found = False + target_addrs: List[Tuple[socket.AddressFamily, str]] = [] + for af, *rest, sa in gai_res: + if af == socket.AF_INET6 and not v6_found: + v6_found = True + target_addrs.insert(0, (af, sa[0])) + elif af == socket.AF_INET and not v4_found and v6_found: + v4_found = True + target_addrs.insert(1, (af, sa[0])) + else: + target_addrs.append((af, sa[0])) + else: + if isinstance(addr_obj, IPv6Address): + target_addrs = [(socket.AF_INET6, addr_obj.compressed)] + else: + target_addrs = [(socket.AF_INET, addr_obj.compressed)] + + oserrors: List[OSError] = [] + async with create_task_group() as tg: + for i, (af, addr) in enumerate(target_addrs): + event = Event() + tg.start_soon(try_connect, addr, event) + with move_on_after(happy_eyeballs_delay): + await event.wait() + + if connected_stream is None: + cause = oserrors[0] if len(oserrors) == 1 else asynclib.ExceptionGroup(oserrors) + raise OSError('All connection attempts failed') from cause + + if tls or tls_hostname or ssl_context: + try: + return await TLSStream.wrap(connected_stream, server_side=False, + hostname=tls_hostname or str(remote_host), + ssl_context=ssl_context, + standard_compatible=tls_standard_compatible) + except BaseException: + await aclose_forcefully(connected_stream) + raise + + return connected_stream + + +async def connect_unix(path: Union[str, PathLike]) -> UNIXSocketStream: + """ + Connect to the given UNIX socket. + + Not available on Windows. + + :param path: path to the socket + :return: a socket stream object + + """ + path = str(Path(path)) + return await get_asynclib().connect_unix(path) + + +async def create_tcp_listener( + *, local_host: Optional[IPAddressType] = None, local_port: int = 0, + family: AnyIPAddressFamily = socket.AddressFamily.AF_UNSPEC, backlog: int = 65536, + reuse_port: bool = False +) -> MultiListener[SocketStream]: + """ + Create a TCP socket listener. + + :param local_port: port number to listen on + :param local_host: IP address of the interface to listen on. If omitted, listen on all IPv4 + and IPv6 interfaces. To listen on all interfaces on a specific address family, use + ``0.0.0.0`` for IPv4 or ``::`` for IPv6. + :param family: address family (used if ``interface`` was omitted) + :param backlog: maximum number of queued incoming connections (up to a maximum of 2**16, or + 65536) + :param reuse_port: ``True`` to allow multiple sockets to bind to the same address/port + (not supported on Windows) + :return: a list of listener objects + + """ + asynclib = get_asynclib() + backlog = min(backlog, 65536) + local_host = str(local_host) if local_host is not None else None + gai_res = await getaddrinfo(local_host, local_port, family=family, # type: ignore[arg-type] + type=socket.SOCK_STREAM, + flags=socket.AI_PASSIVE | socket.AI_ADDRCONFIG) + listeners: List[SocketListener] = [] + try: + # The set() is here to work around a glibc bug: + # https://sourceware.org/bugzilla/show_bug.cgi?id=14969 + for fam, *_, sockaddr in sorted(set(gai_res)): + raw_socket = socket.socket(fam) + raw_socket.setblocking(False) + + # For Windows, enable exclusive address use. For others, enable address reuse. + if sys.platform == 'win32': + raw_socket.setsockopt(socket.SOL_SOCKET, socket.SO_EXCLUSIVEADDRUSE, 1) + else: + raw_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + + if reuse_port: + raw_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1) + + # If only IPv6 was requested, disable dual stack operation + if fam == socket.AF_INET6: + raw_socket.setsockopt(IPPROTO_IPV6, socket.IPV6_V6ONLY, 1) + + raw_socket.bind(sockaddr) + raw_socket.listen(backlog) + listener = asynclib.TCPSocketListener(raw_socket) + listeners.append(listener) + except BaseException: + for listener in listeners: + await listener.aclose() + + raise + + return MultiListener(listeners) + + +async def create_unix_listener( + path: Union[str, PathLike], *, mode: Optional[int] = None, + backlog: int = 65536) -> SocketListener: + """ + Create a UNIX socket listener. + + Not available on Windows. + + :param path: path of the socket + :param mode: permissions to set on the socket + :param backlog: maximum number of queued incoming connections (up to a maximum of 2**16, or + 65536) + :return: a listener object + + .. versionchanged:: 3.0 + If a socket already exists on the file system in the given path, it will be removed first. + + """ + path_str = str(path) + path = Path(path) + if path.is_socket(): + path.unlink() + + backlog = min(backlog, 65536) + raw_socket = socket.socket(socket.AF_UNIX) + raw_socket.setblocking(False) + try: + await to_thread.run_sync(raw_socket.bind, path_str, cancellable=True) + if mode is not None: + await to_thread.run_sync(chmod, path_str, mode, cancellable=True) + + raw_socket.listen(backlog) + return get_asynclib().UNIXSocketListener(raw_socket) + except BaseException: + raw_socket.close() + raise + + +async def create_udp_socket( + family: AnyIPAddressFamily = AddressFamily.AF_UNSPEC, *, + local_host: Optional[IPAddressType] = None, local_port: int = 0, reuse_port: bool = False +) -> UDPSocket: + """ + Create a UDP socket. + + If ``port`` has been given, the socket will be bound to this port on the local machine, + making this socket suitable for providing UDP based services. + + :param family: address family (``AF_INET`` or ``AF_INET6``) – automatically determined from + ``local_host`` if omitted + :param local_host: IP address or host name of the local interface to bind to + :param local_port: local port to bind to + :param reuse_port: ``True`` to allow multiple sockets to bind to the same address/port + (not supported on Windows) + :return: a UDP socket + + """ + if family is AddressFamily.AF_UNSPEC and not local_host: + raise ValueError('Either "family" or "local_host" must be given') + + local_address: Optional[IPSockAddrType] = None + if local_host: + gai_res = await getaddrinfo(str(local_host), local_port, family=family, + type=socket.SOCK_DGRAM, + flags=socket.AI_PASSIVE | socket.AI_ADDRCONFIG) + family = cast(AnyIPAddressFamily, gai_res[0][0]) + local_address = gai_res[0][-1] + + return await get_asynclib().create_udp_socket(family, local_address, None, reuse_port) + + +async def create_connected_udp_socket( + remote_host: IPAddressType, remote_port: int, *, + family: AnyIPAddressFamily = AddressFamily.AF_UNSPEC, + local_host: Optional[IPAddressType] = None, local_port: int = 0, reuse_port: bool = False +) -> ConnectedUDPSocket: + """ + Create a connected UDP socket. + + Connected UDP sockets can only communicate with the specified remote host/port, and any packets + sent from other sources are dropped. + + :param remote_host: remote host to set as the default target + :param remote_port: port on the remote host to set as the default target + :param family: address family (``AF_INET`` or ``AF_INET6``) – automatically determined from + ``local_host`` or ``remote_host`` if omitted + :param local_host: IP address or host name of the local interface to bind to + :param local_port: local port to bind to + :param reuse_port: ``True`` to allow multiple sockets to bind to the same address/port + (not supported on Windows) + :return: a connected UDP socket + + """ + local_address = None + if local_host: + gai_res = await getaddrinfo(str(local_host), local_port, family=family, + type=socket.SOCK_DGRAM, + flags=socket.AI_PASSIVE | socket.AI_ADDRCONFIG) + family = cast(AnyIPAddressFamily, gai_res[0][0]) + local_address = gai_res[0][-1] + + gai_res = await getaddrinfo(str(remote_host), remote_port, family=family, + type=socket.SOCK_DGRAM) + family = cast(AnyIPAddressFamily, gai_res[0][0]) + remote_address = gai_res[0][-1] + + return await get_asynclib().create_udp_socket(family, local_address, remote_address, + reuse_port) + + +async def getaddrinfo(host: Union[bytearray, bytes, str], port: Union[str, int, None], *, + family: Union[int, AddressFamily] = 0, type: Union[int, SocketKind] = 0, + proto: int = 0, flags: int = 0) -> GetAddrInfoReturnType: + """ + Look up a numeric IP address given a host name. + + Internationalized domain names are translated according to the (non-transitional) IDNA 2008 + standard. + + .. note:: 4-tuple IPv6 socket addresses are automatically converted to 2-tuples of + (host, port), unlike what :func:`socket.getaddrinfo` does. + + :param host: host name + :param port: port number + :param family: socket family (`'AF_INET``, ...) + :param type: socket type (``SOCK_STREAM``, ...) + :param proto: protocol number + :param flags: flags to pass to upstream ``getaddrinfo()`` + :return: list of tuples containing (family, type, proto, canonname, sockaddr) + + .. seealso:: :func:`socket.getaddrinfo` + + """ + # Handle unicode hostnames + if isinstance(host, str): + try: + encoded_host = host.encode('ascii') + except UnicodeEncodeError: + import idna + encoded_host = idna.encode(host, uts46=True) + else: + encoded_host = host + + gai_res = await get_asynclib().getaddrinfo(encoded_host, port, family=family, type=type, + proto=proto, flags=flags) + return [(family, type, proto, canonname, convert_ipv6_sockaddr(sockaddr)) + for family, type, proto, canonname, sockaddr in gai_res] + + +def getnameinfo(sockaddr: IPSockAddrType, flags: int = 0) -> Awaitable[Tuple[str, str]]: + """ + Look up the host name of an IP address. + + :param sockaddr: socket address (e.g. (ipaddress, port) for IPv4) + :param flags: flags to pass to upstream ``getnameinfo()`` + :return: a tuple of (host name, service name) + + .. seealso:: :func:`socket.getnameinfo` + + """ + return get_asynclib().getnameinfo(sockaddr, flags) + + +def wait_socket_readable(sock: socket.socket) -> Awaitable[None]: + """ + Wait until the given socket has data to be read. + + This does **NOT** work on Windows when using the asyncio backend with a proactor event loop + (default on py3.8+). + + .. warning:: Only use this on raw sockets that have not been wrapped by any higher level + constructs like socket streams! + + :param sock: a socket object + :raises ~anyio.ClosedResourceError: if the socket was closed while waiting for the + socket to become readable + :raises ~anyio.BusyResourceError: if another task is already waiting for the socket + to become readable + + """ + return get_asynclib().wait_socket_readable(sock) + + +def wait_socket_writable(sock: socket.socket) -> Awaitable[None]: + """ + Wait until the given socket can be written to. + + This does **NOT** work on Windows when using the asyncio backend with a proactor event loop + (default on py3.8+). + + .. warning:: Only use this on raw sockets that have not been wrapped by any higher level + constructs like socket streams! + + :param sock: a socket object + :raises ~anyio.ClosedResourceError: if the socket was closed while waiting for the + socket to become writable + :raises ~anyio.BusyResourceError: if another task is already waiting for the socket + to become writable + + """ + return get_asynclib().wait_socket_writable(sock) + + +# +# Private API +# + +def convert_ipv6_sockaddr( + sockaddr: Union[Tuple[str, int, int, int], Tuple[str, int]] +) -> Tuple[str, int]: + """ + Convert a 4-tuple IPv6 socket address to a 2-tuple (address, port) format. + + If the scope ID is nonzero, it is added to the address, separated with ``%``. + Otherwise the flow id and scope id are simply cut off from the tuple. + Any other kinds of socket addresses are returned as-is. + + :param sockaddr: the result of :meth:`~socket.socket.getsockname` + :return: the converted socket address + + """ + # This is more complicated than it should be because of MyPy + if isinstance(sockaddr, tuple) and len(sockaddr) == 4: + host, port, flowinfo, scope_id = cast(Tuple[str, int, int, int], sockaddr) + if scope_id: + # Add scope_id to the address + return f"{host}%{scope_id}", port + else: + return host, port + else: + return cast(Tuple[str, int], sockaddr) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_streams.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_streams.py new file mode 100644 index 0000000..4a003be --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_streams.py @@ -0,0 +1,42 @@ +import math +from typing import Optional, Tuple, Type, TypeVar, overload + +from ..streams.memory import ( + MemoryObjectReceiveStream, MemoryObjectSendStream, MemoryObjectStreamState) + +T_Item = TypeVar('T_Item') + + +@overload +def create_memory_object_stream( + max_buffer_size: float, item_type: Type[T_Item] +) -> Tuple[MemoryObjectSendStream[T_Item], MemoryObjectReceiveStream[T_Item]]: + ... + + +@overload +def create_memory_object_stream( + max_buffer_size: float = 0 +) -> Tuple[MemoryObjectSendStream, MemoryObjectReceiveStream]: + ... + + +def create_memory_object_stream( + max_buffer_size: float = 0, item_type: Optional[Type[T_Item]] = None +) -> Tuple[MemoryObjectSendStream, MemoryObjectReceiveStream]: + """ + Create a memory object stream. + + :param max_buffer_size: number of items held in the buffer until ``send()`` starts blocking + :param item_type: type of item, for marking the streams with the right generic type for + static typing (not used at run time) + :return: a tuple of (send stream, receive stream) + + """ + if max_buffer_size != math.inf and not isinstance(max_buffer_size, int): + raise ValueError('max_buffer_size must be either an integer or math.inf') + if max_buffer_size < 0: + raise ValueError('max_buffer_size cannot be negative') + + state: MemoryObjectStreamState = MemoryObjectStreamState(max_buffer_size) + return MemoryObjectSendStream(state), MemoryObjectReceiveStream(state) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_subprocesses.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_subprocesses.py new file mode 100644 index 0000000..7e4d968 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_subprocesses.py @@ -0,0 +1,91 @@ +from io import BytesIO +from os import PathLike +from subprocess import DEVNULL, PIPE, CalledProcessError, CompletedProcess +from typing import AsyncIterable, List, Mapping, Optional, Sequence, Union, cast + +from ..abc import Process +from ._eventloop import get_asynclib +from ._tasks import create_task_group + + +async def run_process(command: Union[str, Sequence[str]], *, input: Optional[bytes] = None, + stdout: int = PIPE, stderr: int = PIPE, check: bool = True, + cwd: Union[str, bytes, PathLike, None] = None, + env: Optional[Mapping[str, str]] = None) -> CompletedProcess: + """ + Run an external command in a subprocess and wait until it completes. + + .. seealso:: :func:`subprocess.run` + + :param command: either a string to pass to the shell, or an iterable of strings containing the + executable name or path and its arguments + :param input: bytes passed to the standard input of the subprocess + :param stdout: either :data:`subprocess.PIPE` or :data:`subprocess.DEVNULL` + :param stderr: one of :data:`subprocess.PIPE`, :data:`subprocess.DEVNULL` or + :data:`subprocess.STDOUT` + :param check: if ``True``, raise :exc:`~subprocess.CalledProcessError` if the process + terminates with a return code other than 0 + :param cwd: If not ``None``, change the working directory to this before running the command + :param env: if not ``None``, this mapping replaces the inherited environment variables from the + parent process + :return: an object representing the completed process + :raises ~subprocess.CalledProcessError: if ``check`` is ``True`` and the process exits with a + nonzero return code + + """ + async def drain_stream(stream: AsyncIterable[bytes], index: int) -> None: + buffer = BytesIO() + async for chunk in stream: + buffer.write(chunk) + + stream_contents[index] = buffer.getvalue() + + async with await open_process(command, stdin=PIPE if input else DEVNULL, stdout=stdout, + stderr=stderr, cwd=cwd, env=env) as process: + stream_contents: List[Optional[bytes]] = [None, None] + try: + async with create_task_group() as tg: + if process.stdout: + tg.start_soon(drain_stream, process.stdout, 0) + if process.stderr: + tg.start_soon(drain_stream, process.stderr, 1) + if process.stdin and input: + await process.stdin.send(input) + await process.stdin.aclose() + + await process.wait() + except BaseException: + process.kill() + raise + + output, errors = stream_contents + if check and process.returncode != 0: + raise CalledProcessError(cast(int, process.returncode), command, output, errors) + + return CompletedProcess(command, cast(int, process.returncode), output, errors) + + +async def open_process(command: Union[str, Sequence[str]], *, stdin: int = PIPE, + stdout: int = PIPE, stderr: int = PIPE, + cwd: Union[str, bytes, PathLike, None] = None, + env: Optional[Mapping[str, str]] = None) -> Process: + """ + Start an external command in a subprocess. + + .. seealso:: :class:`subprocess.Popen` + + :param command: either a string to pass to the shell, or an iterable of strings containing the + executable name or path and its arguments + :param stdin: either :data:`subprocess.PIPE` or :data:`subprocess.DEVNULL` + :param stdout: either :data:`subprocess.PIPE` or :data:`subprocess.DEVNULL` + :param stderr: one of :data:`subprocess.PIPE`, :data:`subprocess.DEVNULL` or + :data:`subprocess.STDOUT` + :param cwd: If not ``None``, the working directory is changed before executing + :param env: If env is not ``None``, it must be a mapping that defines the environment + variables for the new process + :return: an asynchronous process object + + """ + shell = isinstance(command, str) + return await get_asynclib().open_process(command, shell=shell, stdin=stdin, stdout=stdout, + stderr=stderr, cwd=cwd, env=env) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_synchronization.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_synchronization.py new file mode 100644 index 0000000..6c69177 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_synchronization.py @@ -0,0 +1,554 @@ +from collections import deque +from dataclasses import dataclass +from types import TracebackType +from typing import Deque, Optional, Tuple, Type +from warnings import warn + +from ..lowlevel import cancel_shielded_checkpoint, checkpoint, checkpoint_if_cancelled +from ._compat import DeprecatedAwaitable +from ._eventloop import get_asynclib +from ._exceptions import BusyResourceError, WouldBlock +from ._tasks import CancelScope +from ._testing import TaskInfo, get_current_task + + +@dataclass(frozen=True) +class EventStatistics: + """ + :ivar int tasks_waiting: number of tasks waiting on :meth:`~.Event.wait` + """ + + tasks_waiting: int + + +@dataclass(frozen=True) +class CapacityLimiterStatistics: + """ + :ivar int borrowed_tokens: number of tokens currently borrowed by tasks + :ivar float total_tokens: total number of available tokens + :ivar tuple borrowers: tasks or other objects currently holding tokens borrowed from this + limiter + :ivar int tasks_waiting: number of tasks waiting on :meth:`~.CapacityLimiter.acquire` or + :meth:`~.CapacityLimiter.acquire_on_behalf_of` + """ + + borrowed_tokens: int + total_tokens: float + borrowers: Tuple[object, ...] + tasks_waiting: int + + +@dataclass(frozen=True) +class LockStatistics: + """ + :ivar bool locked: flag indicating if this lock is locked or not + :ivar ~anyio.TaskInfo owner: task currently holding the lock (or ``None`` if the lock is not + held by any task) + :ivar int tasks_waiting: number of tasks waiting on :meth:`~.Lock.acquire` + """ + + locked: bool + owner: Optional[TaskInfo] + tasks_waiting: int + + +@dataclass(frozen=True) +class ConditionStatistics: + """ + :ivar int tasks_waiting: number of tasks blocked on :meth:`~.Condition.wait` + :ivar ~anyio.LockStatistics lock_statistics: statistics of the underlying :class:`~.Lock` + """ + + tasks_waiting: int + lock_statistics: LockStatistics + + +@dataclass(frozen=True) +class SemaphoreStatistics: + """ + :ivar int tasks_waiting: number of tasks waiting on :meth:`~.Semaphore.acquire` + + """ + tasks_waiting: int + + +class Event: + def __new__(cls) -> 'Event': + return get_asynclib().Event() + + def set(self) -> DeprecatedAwaitable: + """Set the flag, notifying all listeners.""" + raise NotImplementedError + + def is_set(self) -> bool: + """Return ``True`` if the flag is set, ``False`` if not.""" + raise NotImplementedError + + async def wait(self) -> None: + """ + Wait until the flag has been set. + + If the flag has already been set when this method is called, it returns immediately. + + """ + raise NotImplementedError + + def statistics(self) -> EventStatistics: + """Return statistics about the current state of this event.""" + raise NotImplementedError + + +class Lock: + _owner_task: Optional[TaskInfo] = None + + def __init__(self) -> None: + self._waiters: Deque[Tuple[TaskInfo, Event]] = deque() + + async def __aenter__(self) -> None: + await self.acquire() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.release() + + async def acquire(self) -> None: + """Acquire the lock.""" + await checkpoint_if_cancelled() + try: + self.acquire_nowait() + except WouldBlock: + task = get_current_task() + event = Event() + token = task, event + self._waiters.append(token) + try: + await event.wait() + except BaseException: + if not event.is_set(): + self._waiters.remove(token) + + raise + + assert self._owner_task == task + else: + await cancel_shielded_checkpoint() + + def acquire_nowait(self) -> None: + """ + Acquire the lock, without blocking. + + :raises ~WouldBlock: if the operation would block + + """ + task = get_current_task() + if self._owner_task == task: + raise RuntimeError('Attempted to acquire an already held Lock') + + if self._owner_task is not None: + raise WouldBlock + + self._owner_task = task + + def release(self) -> DeprecatedAwaitable: + """Release the lock.""" + if self._owner_task != get_current_task(): + raise RuntimeError('The current task is not holding this lock') + + if self._waiters: + self._owner_task, event = self._waiters.popleft() + event.set() + else: + del self._owner_task + + return DeprecatedAwaitable(self.release) + + def locked(self) -> bool: + """Return True if the lock is currently held.""" + return self._owner_task is not None + + def statistics(self) -> LockStatistics: + """ + Return statistics about the current state of this lock. + + .. versionadded:: 3.0 + """ + return LockStatistics(self.locked(), self._owner_task, len(self._waiters)) + + +class Condition: + _owner_task: Optional[TaskInfo] = None + + def __init__(self, lock: Optional[Lock] = None): + self._lock = lock or Lock() + self._waiters: Deque[Event] = deque() + + async def __aenter__(self) -> None: + await self.acquire() + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.release() + + def _check_acquired(self) -> None: + if self._owner_task != get_current_task(): + raise RuntimeError('The current task is not holding the underlying lock') + + async def acquire(self) -> None: + """Acquire the underlying lock.""" + await self._lock.acquire() + self._owner_task = get_current_task() + + def acquire_nowait(self) -> None: + """ + Acquire the underlying lock, without blocking. + + :raises ~WouldBlock: if the operation would block + + """ + self._lock.acquire_nowait() + self._owner_task = get_current_task() + + def release(self) -> DeprecatedAwaitable: + """Release the underlying lock.""" + self._lock.release() + return DeprecatedAwaitable(self.release) + + def locked(self) -> bool: + """Return True if the lock is set.""" + return self._lock.locked() + + def notify(self, n: int = 1) -> None: + """Notify exactly n listeners.""" + self._check_acquired() + for _ in range(n): + try: + event = self._waiters.popleft() + except IndexError: + break + + event.set() + + def notify_all(self) -> None: + """Notify all the listeners.""" + self._check_acquired() + for event in self._waiters: + event.set() + + self._waiters.clear() + + async def wait(self) -> None: + """Wait for a notification.""" + await checkpoint() + event = Event() + self._waiters.append(event) + self.release() + try: + await event.wait() + except BaseException: + if not event.is_set(): + self._waiters.remove(event) + + raise + finally: + with CancelScope(shield=True): + await self.acquire() + + def statistics(self) -> ConditionStatistics: + """ + Return statistics about the current state of this condition. + + .. versionadded:: 3.0 + """ + return ConditionStatistics(len(self._waiters), self._lock.statistics()) + + +class Semaphore: + def __init__(self, initial_value: int, *, max_value: Optional[int] = None): + if not isinstance(initial_value, int): + raise TypeError('initial_value must be an integer') + if initial_value < 0: + raise ValueError('initial_value must be >= 0') + if max_value is not None: + if not isinstance(max_value, int): + raise TypeError('max_value must be an integer or None') + if max_value < initial_value: + raise ValueError('max_value must be equal to or higher than initial_value') + + self._value = initial_value + self._max_value = max_value + self._waiters: Deque[Event] = deque() + + async def __aenter__(self) -> 'Semaphore': + await self.acquire() + return self + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.release() + + async def acquire(self) -> None: + """Decrement the semaphore value, blocking if necessary.""" + await checkpoint_if_cancelled() + try: + self.acquire_nowait() + except WouldBlock: + event = Event() + self._waiters.append(event) + try: + await event.wait() + except BaseException: + if not event.is_set(): + self._waiters.remove(event) + + raise + else: + await cancel_shielded_checkpoint() + + def acquire_nowait(self) -> None: + """ + Acquire the underlying lock, without blocking. + + :raises ~WouldBlock: if the operation would block + + """ + if self._value == 0: + raise WouldBlock + + self._value -= 1 + + def release(self) -> DeprecatedAwaitable: + """Increment the semaphore value.""" + if self._max_value is not None and self._value == self._max_value: + raise ValueError('semaphore released too many times') + + if self._waiters: + self._waiters.popleft().set() + else: + self._value += 1 + + return DeprecatedAwaitable(self.release) + + @property + def value(self) -> int: + """The current value of the semaphore.""" + return self._value + + @property + def max_value(self) -> Optional[int]: + """The maximum value of the semaphore.""" + return self._max_value + + def statistics(self) -> SemaphoreStatistics: + """ + Return statistics about the current state of this semaphore. + + .. versionadded:: 3.0 + """ + return SemaphoreStatistics(len(self._waiters)) + + +class CapacityLimiter: + def __new__(cls, total_tokens: float) -> 'CapacityLimiter': + return get_asynclib().CapacityLimiter(total_tokens) + + async def __aenter__(self) -> None: + raise NotImplementedError + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + raise NotImplementedError + + @property + def total_tokens(self) -> float: + """ + The total number of tokens available for borrowing. + + This is a read-write property. If the total number of tokens is increased, the + proportionate number of tasks waiting on this limiter will be granted their tokens. + + .. versionchanged:: 3.0 + The property is now writable. + + """ + raise NotImplementedError + + @total_tokens.setter + def total_tokens(self, value: float) -> None: + raise NotImplementedError + + async def set_total_tokens(self, value: float) -> None: + warn('CapacityLimiter.set_total_tokens has been deprecated. Set the value of the' + '"total_tokens" attribute directly.', DeprecationWarning) + self.total_tokens = value + + @property + def borrowed_tokens(self) -> int: + """The number of tokens that have currently been borrowed.""" + raise NotImplementedError + + @property + def available_tokens(self) -> float: + """The number of tokens currently available to be borrowed""" + raise NotImplementedError + + def acquire_nowait(self) -> DeprecatedAwaitable: + """ + Acquire a token for the current task without waiting for one to become available. + + :raises ~anyio.WouldBlock: if there are no tokens available for borrowing + + """ + raise NotImplementedError + + def acquire_on_behalf_of_nowait(self, borrower: object) -> DeprecatedAwaitable: + """ + Acquire a token without waiting for one to become available. + + :param borrower: the entity borrowing a token + :raises ~anyio.WouldBlock: if there are no tokens available for borrowing + + """ + raise NotImplementedError + + async def acquire(self) -> None: + """ + Acquire a token for the current task, waiting if necessary for one to become available. + + """ + raise NotImplementedError + + async def acquire_on_behalf_of(self, borrower: object) -> None: + """ + Acquire a token, waiting if necessary for one to become available. + + :param borrower: the entity borrowing a token + + """ + raise NotImplementedError + + def release(self) -> None: + """ + Release the token held by the current task. + :raises RuntimeError: if the current task has not borrowed a token from this limiter. + + """ + raise NotImplementedError + + def release_on_behalf_of(self, borrower: object) -> None: + """ + Release the token held by the given borrower. + + :raises RuntimeError: if the borrower has not borrowed a token from this limiter. + + """ + raise NotImplementedError + + def statistics(self) -> CapacityLimiterStatistics: + """ + Return statistics about the current state of this limiter. + + .. versionadded:: 3.0 + + """ + raise NotImplementedError + + +def create_lock() -> Lock: + """ + Create an asynchronous lock. + + :return: a lock object + + .. deprecated:: 3.0 + Use :class:`~Lock` directly. + + """ + warn('create_lock() is deprecated -- use Lock() directly', DeprecationWarning) + return Lock() + + +def create_condition(lock: Optional[Lock] = None) -> Condition: + """ + Create an asynchronous condition. + + :param lock: the lock to base the condition object on + :return: a condition object + + .. deprecated:: 3.0 + Use :class:`~Condition` directly. + + """ + warn('create_condition() is deprecated -- use Condition() directly', DeprecationWarning) + return Condition(lock=lock) + + +def create_event() -> Event: + """ + Create an asynchronous event object. + + :return: an event object + + .. deprecated:: 3.0 + Use :class:`~Event` directly. + + """ + warn('create_event() is deprecated -- use Event() directly', DeprecationWarning) + return get_asynclib().Event() + + +def create_semaphore(value: int, *, max_value: Optional[int] = None) -> Semaphore: + """ + Create an asynchronous semaphore. + + :param value: the semaphore's initial value + :param max_value: if set, makes this a "bounded" semaphore that raises :exc:`ValueError` if the + semaphore's value would exceed this number + :return: a semaphore object + + .. deprecated:: 3.0 + Use :class:`~Semaphore` directly. + + """ + warn('create_semaphore() is deprecated -- use Semaphore() directly', DeprecationWarning) + return Semaphore(value, max_value=max_value) + + +def create_capacity_limiter(total_tokens: float) -> CapacityLimiter: + """ + Create a capacity limiter. + + :param total_tokens: the total number of tokens available for borrowing (can be an integer or + :data:`math.inf`) + :return: a capacity limiter object + + .. deprecated:: 3.0 + Use :class:`~CapacityLimiter` directly. + + """ + warn('create_capacity_limiter() is deprecated -- use CapacityLimiter() directly', + DeprecationWarning) + return get_asynclib().CapacityLimiter(total_tokens) + + +class ResourceGuard: + __slots__ = 'action', '_guarded' + + def __init__(self, action: str): + self.action = action + self._guarded = False + + def __enter__(self) -> None: + if self._guarded: + raise BusyResourceError(self.action) + + self._guarded = True + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + self._guarded = False + return None diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_tasks.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_tasks.py new file mode 100644 index 0000000..8bbad97 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_tasks.py @@ -0,0 +1,158 @@ +import math +from types import TracebackType +from typing import Optional, Type +from warnings import warn + +from ..abc._tasks import TaskGroup, TaskStatus +from ._compat import DeprecatedAsyncContextManager, DeprecatedAwaitable, DeprecatedAwaitableFloat +from ._eventloop import get_asynclib + + +class _IgnoredTaskStatus(TaskStatus): + def started(self, value: object = None) -> None: + pass + + +TASK_STATUS_IGNORED = _IgnoredTaskStatus() + + +class CancelScope(DeprecatedAsyncContextManager['CancelScope']): + """ + Wraps a unit of work that can be made separately cancellable. + + :param deadline: The time (clock value) when this scope is cancelled automatically + :param shield: ``True`` to shield the cancel scope from external cancellation + """ + + def __new__(cls, *, deadline: float = math.inf, shield: bool = False) -> 'CancelScope': + return get_asynclib().CancelScope(shield=shield, deadline=deadline) + + def cancel(self) -> DeprecatedAwaitable: + """Cancel this scope immediately.""" + raise NotImplementedError + + @property + def deadline(self) -> float: + """ + The time (clock value) when this scope is cancelled automatically. + + Will be ``float('inf')`` if no timeout has been set. + + """ + raise NotImplementedError + + @deadline.setter + def deadline(self, value: float) -> None: + raise NotImplementedError + + @property + def cancel_called(self) -> bool: + """``True`` if :meth:`cancel` has been called.""" + raise NotImplementedError + + @property + def shield(self) -> bool: + """ + ``True`` if this scope is shielded from external cancellation. + + While a scope is shielded, it will not receive cancellations from outside. + + """ + raise NotImplementedError + + @shield.setter + def shield(self, value: bool) -> None: + raise NotImplementedError + + def __enter__(self) -> 'CancelScope': + raise NotImplementedError + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + raise NotImplementedError + + +def open_cancel_scope(*, shield: bool = False) -> CancelScope: + """ + Open a cancel scope. + + :param shield: ``True`` to shield the cancel scope from external cancellation + :return: a cancel scope + + .. deprecated:: 3.0 + Use :class:`~CancelScope` directly. + + """ + warn('open_cancel_scope() is deprecated -- use CancelScope() directly', DeprecationWarning) + return get_asynclib().CancelScope(shield=shield) + + +class FailAfterContextManager(DeprecatedAsyncContextManager): + def __init__(self, cancel_scope: CancelScope): + self._cancel_scope = cancel_scope + + def __enter__(self) -> CancelScope: + return self._cancel_scope.__enter__() + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + retval = self._cancel_scope.__exit__(exc_type, exc_val, exc_tb) + if self._cancel_scope.cancel_called: + raise TimeoutError + + return retval + + +def fail_after(delay: Optional[float], shield: bool = False) -> FailAfterContextManager: + """ + Create a context manager which raises a :class:`TimeoutError` if does not finish in time. + + :param delay: maximum allowed time (in seconds) before raising the exception, or ``None`` to + disable the timeout + :param shield: ``True`` to shield the cancel scope from external cancellation + :return: a context manager that yields a cancel scope + :rtype: :class:`~typing.ContextManager`\\[:class:`~anyio.abc.CancelScope`\\] + + """ + deadline = (get_asynclib().current_time() + delay) if delay is not None else math.inf + cancel_scope = get_asynclib().CancelScope(deadline=deadline, shield=shield) + return FailAfterContextManager(cancel_scope) + + +def move_on_after(delay: Optional[float], shield: bool = False) -> CancelScope: + """ + Create a cancel scope with a deadline that expires after the given delay. + + :param delay: maximum allowed time (in seconds) before exiting the context block, or ``None`` + to disable the timeout + :param shield: ``True`` to shield the cancel scope from external cancellation + :return: a cancel scope + + """ + deadline = (get_asynclib().current_time() + delay) if delay is not None else math.inf + return get_asynclib().CancelScope(deadline=deadline, shield=shield) + + +def current_effective_deadline() -> DeprecatedAwaitableFloat: + """ + Return the nearest deadline among all the cancel scopes effective for the current task. + + :return: a clock value from the event loop's internal clock (``float('inf')`` if there is no + deadline in effect) + :rtype: float + + """ + return DeprecatedAwaitableFloat(get_asynclib().current_effective_deadline(), + current_effective_deadline) + + +def create_task_group() -> 'TaskGroup': + """ + Create a task group. + + :return: a task group + + """ + return get_asynclib().TaskGroup() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_testing.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_testing.py new file mode 100644 index 0000000..c48bd45 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_testing.py @@ -0,0 +1,74 @@ +from typing import Coroutine, Generator, Optional + +from ._compat import DeprecatedAwaitableList, _warn_deprecation +from ._eventloop import get_asynclib + + +class TaskInfo: + """ + Represents an asynchronous task. + + :ivar int id: the unique identifier of the task + :ivar parent_id: the identifier of the parent task, if any + :vartype parent_id: Optional[int] + :ivar str name: the description of the task (if any) + :ivar ~collections.abc.Coroutine coro: the coroutine object of the task + """ + + __slots__ = '_name', 'id', 'parent_id', 'name', 'coro' + + def __init__(self, id: int, parent_id: Optional[int], name: Optional[str], coro: Coroutine): + func = get_current_task + self._name = f'{func.__module__}.{func.__qualname__}' + self.id = id + self.parent_id = parent_id + self.name = name + self.coro = coro + + def __eq__(self, other: object) -> bool: + if isinstance(other, TaskInfo): + return self.id == other.id + + return NotImplemented + + def __hash__(self) -> int: + return hash(self.id) + + def __repr__(self) -> str: + return f'{self.__class__.__name__}(id={self.id!r}, name={self.name!r})' + + def __await__(self) -> Generator[None, None, "TaskInfo"]: + _warn_deprecation(self) + if False: + yield + + return self + + def _unwrap(self) -> 'TaskInfo': + return self + + +def get_current_task() -> TaskInfo: + """ + Return the current task. + + :return: a representation of the current task + + """ + return get_asynclib().get_current_task() + + +def get_running_tasks() -> DeprecatedAwaitableList[TaskInfo]: + """ + Return a list of running tasks in the current event loop. + + :return: a list of task info objects + + """ + tasks = get_asynclib().get_running_tasks() + return DeprecatedAwaitableList(tasks, func=get_running_tasks) + + +async def wait_all_tasks_blocked() -> None: + """Wait until all other tasks are waiting for something.""" + await get_asynclib().wait_all_tasks_blocked() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_typedattr.py b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_typedattr.py new file mode 100644 index 0000000..797287d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/_core/_typedattr.py @@ -0,0 +1,79 @@ +import sys +from typing import Any, Callable, Dict, Mapping, TypeVar, Union, overload + +from ._exceptions import TypedAttributeLookupError + +if sys.version_info >= (3, 8): + from typing import final +else: + from typing_extensions import final + +T_Attr = TypeVar('T_Attr') +T_Default = TypeVar('T_Default') +undefined = object() + + +def typed_attribute() -> Any: + """Return a unique object, used to mark typed attributes.""" + return object() + + +class TypedAttributeSet: + """ + Superclass for typed attribute collections. + + Checks that every public attribute of every subclass has a type annotation. + """ + + def __init_subclass__(cls) -> None: + annotations: Dict[str, Any] = getattr(cls, '__annotations__', {}) + for attrname in dir(cls): + if not attrname.startswith('_') and attrname not in annotations: + raise TypeError(f'Attribute {attrname!r} is missing its type annotation') + + super().__init_subclass__() + + +class TypedAttributeProvider: + """Base class for classes that wish to provide typed extra attributes.""" + + @property + def extra_attributes(self) -> Mapping[T_Attr, Callable[[], T_Attr]]: + """ + A mapping of the extra attributes to callables that return the corresponding values. + + If the provider wraps another provider, the attributes from that wrapper should also be + included in the returned mapping (but the wrapper may override the callables from the + wrapped instance). + + """ + return {} + + @overload + def extra(self, attribute: T_Attr) -> T_Attr: + ... + + @overload + def extra(self, attribute: T_Attr, default: T_Default) -> Union[T_Attr, T_Default]: + ... + + @final + def extra(self, attribute: Any, default: object = undefined) -> object: + """ + extra(attribute, default=undefined) + + Return the value of the given typed extra attribute. + + :param attribute: the attribute (member of a :class:`~TypedAttributeSet`) to look for + :param default: the value that should be returned if no value is found for the attribute + :raises ~anyio.TypedAttributeLookupError: if the search failed and no default value was + given + + """ + try: + return self.extra_attributes[attribute]() + except KeyError: + if default is undefined: + raise TypedAttributeLookupError('Attribute not found') from None + else: + return default diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/__init__.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/__init__.py new file mode 100644 index 0000000..59f8960 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/__init__.py @@ -0,0 +1,33 @@ +__all__ = ('AsyncResource', 'IPAddressType', 'IPSockAddrType', 'SocketAttribute', 'SocketStream', + 'SocketListener', 'UDPSocket', 'UNIXSocketStream', 'UDPPacketType', + 'ConnectedUDPSocket', 'UnreliableObjectReceiveStream', 'UnreliableObjectSendStream', + 'UnreliableObjectStream', 'ObjectReceiveStream', 'ObjectSendStream', 'ObjectStream', + 'ByteReceiveStream', 'ByteSendStream', 'ByteStream', 'AnyUnreliableByteReceiveStream', + 'AnyUnreliableByteSendStream', 'AnyUnreliableByteStream', 'AnyByteReceiveStream', + 'AnyByteSendStream', 'AnyByteStream', 'Listener', 'Process', 'Event', + 'Condition', 'Lock', 'Semaphore', 'CapacityLimiter', 'CancelScope', 'TaskGroup', + 'TaskStatus', 'TestRunner', 'BlockingPortal') + +from ._resources import AsyncResource +from ._sockets import ( + ConnectedUDPSocket, IPAddressType, IPSockAddrType, SocketAttribute, SocketListener, + SocketStream, UDPPacketType, UDPSocket, UNIXSocketStream) +from ._streams import ( + AnyByteReceiveStream, AnyByteSendStream, AnyByteStream, AnyUnreliableByteReceiveStream, + AnyUnreliableByteSendStream, AnyUnreliableByteStream, ByteReceiveStream, ByteSendStream, + ByteStream, Listener, ObjectReceiveStream, ObjectSendStream, ObjectStream, + UnreliableObjectReceiveStream, UnreliableObjectSendStream, UnreliableObjectStream) +from ._subprocesses import Process +from ._tasks import TaskGroup, TaskStatus +from ._testing import TestRunner + +# Re-exported here, for backwards compatibility +# isort: off +from .._core._synchronization import CapacityLimiter, Condition, Event, Lock, Semaphore +from .._core._tasks import CancelScope +from ..from_thread import BlockingPortal + +# Re-export imports so they look like they live directly in this package +for key, value in list(locals().items()): + if getattr(value, '__module__', '').startswith('anyio.abc.'): + value.__module__ = __name__ diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_resources.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_resources.py new file mode 100644 index 0000000..4594e6e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_resources.py @@ -0,0 +1,26 @@ +from abc import ABCMeta, abstractmethod +from types import TracebackType +from typing import Optional, Type, TypeVar + +T = TypeVar("T") + + +class AsyncResource(metaclass=ABCMeta): + """ + Abstract base class for all closeable asynchronous resources. + + Works as an asynchronous context manager which returns the instance itself on enter, and calls + :meth:`aclose` on exit. + """ + + async def __aenter__(self: T) -> T: + return self + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + await self.aclose() + + @abstractmethod + async def aclose(self) -> None: + """Close the resource.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_sockets.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_sockets.py new file mode 100644 index 0000000..a05151e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_sockets.py @@ -0,0 +1,156 @@ +import socket +from abc import abstractmethod +from io import IOBase +from ipaddress import IPv4Address, IPv6Address +from socket import AddressFamily +from types import TracebackType +from typing import ( + Any, AsyncContextManager, Callable, Collection, Dict, List, Mapping, Optional, Tuple, Type, + TypeVar, Union) + +from .._core._typedattr import TypedAttributeProvider, TypedAttributeSet, typed_attribute +from ._streams import ByteStream, Listener, T_Stream, UnreliableObjectStream +from ._tasks import TaskGroup + +IPAddressType = Union[str, IPv4Address, IPv6Address] +IPSockAddrType = Tuple[str, int] +SockAddrType = Union[IPSockAddrType, str] +UDPPacketType = Tuple[bytes, IPSockAddrType] +T_Retval = TypeVar('T_Retval') + + +class _NullAsyncContextManager: + async def __aenter__(self) -> None: + pass + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + return None + + +class SocketAttribute(TypedAttributeSet): + #: the address family of the underlying socket + family: AddressFamily = typed_attribute() + #: the local socket address of the underlying socket + local_address: SockAddrType = typed_attribute() + #: for IP addresses, the local port the underlying socket is bound to + local_port: int = typed_attribute() + #: the underlying stdlib socket object + raw_socket: socket.socket = typed_attribute() + #: the remote address the underlying socket is connected to + remote_address: SockAddrType = typed_attribute() + #: for IP addresses, the remote port the underlying socket is connected to + remote_port: int = typed_attribute() + + +class _SocketProvider(TypedAttributeProvider): + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + from .._core._sockets import convert_ipv6_sockaddr as convert + + attributes: Dict[Any, Callable[[], Any]] = { + SocketAttribute.family: lambda: self._raw_socket.family, + SocketAttribute.local_address: lambda: convert(self._raw_socket.getsockname()), + SocketAttribute.raw_socket: lambda: self._raw_socket + } + try: + peername: Optional[Tuple[str, int]] = convert(self._raw_socket.getpeername()) + except OSError: + peername = None + + # Provide the remote address for connected sockets + if peername is not None: + attributes[SocketAttribute.remote_address] = lambda: peername + + # Provide local and remote ports for IP based sockets + if self._raw_socket.family in (AddressFamily.AF_INET, AddressFamily.AF_INET6): + attributes[SocketAttribute.local_port] = lambda: self._raw_socket.getsockname()[1] + if peername is not None: + remote_port = peername[1] + attributes[SocketAttribute.remote_port] = lambda: remote_port + + return attributes + + @property + @abstractmethod + def _raw_socket(self) -> socket.socket: + pass + + +class SocketStream(ByteStream, _SocketProvider): + """ + Transports bytes over a socket. + + Supports all relevant extra attributes from :class:`~SocketAttribute`. + """ + + +class UNIXSocketStream(SocketStream): + @abstractmethod + async def send_fds(self, message: bytes, fds: Collection[Union[int, IOBase]]) -> None: + """ + Send file descriptors along with a message to the peer. + + :param message: a non-empty bytestring + :param fds: a collection of files (either numeric file descriptors or open file or socket + objects) + """ + + @abstractmethod + async def receive_fds(self, msglen: int, maxfds: int) -> Tuple[bytes, List[int]]: + """ + Receive file descriptors along with a message from the peer. + + :param msglen: length of the message to expect from the peer + :param maxfds: maximum number of file descriptors to expect from the peer + :return: a tuple of (message, file descriptors) + """ + + +class SocketListener(Listener[SocketStream], _SocketProvider): + """ + Listens to incoming socket connections. + + Supports all relevant extra attributes from :class:`~SocketAttribute`. + """ + + @abstractmethod + async def accept(self) -> SocketStream: + """Accept an incoming connection.""" + + async def serve(self, handler: Callable[[T_Stream], Any], + task_group: Optional[TaskGroup] = None) -> None: + from .. import create_task_group + + context_manager: AsyncContextManager + if task_group is None: + task_group = context_manager = create_task_group() + else: + # Can be replaced with AsyncExitStack once on py3.7+ + context_manager = _NullAsyncContextManager() + + async with context_manager: + while True: + stream = await self.accept() + task_group.start_soon(handler, stream) + + +class UDPSocket(UnreliableObjectStream[UDPPacketType], _SocketProvider): + """ + Represents an unconnected UDP socket. + + Supports all relevant extra attributes from :class:`~SocketAttribute`. + """ + + async def sendto(self, data: bytes, host: str, port: int) -> None: + """Alias for :meth:`~.UnreliableObjectSendStream.send` ((data, (host, port))).""" + return await self.send((data, (host, port))) + + +class ConnectedUDPSocket(UnreliableObjectStream[bytes], _SocketProvider): + """ + Represents an connected UDP socket. + + Supports all relevant extra attributes from :class:`~SocketAttribute`. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_streams.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_streams.py new file mode 100644 index 0000000..3819532 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_streams.py @@ -0,0 +1,187 @@ +from abc import abstractmethod +from typing import Any, Callable, Generic, Optional, TypeVar, Union + +from .._core._exceptions import EndOfStream +from .._core._typedattr import TypedAttributeProvider +from ._resources import AsyncResource +from ._tasks import TaskGroup + +T_Item = TypeVar('T_Item') +T_Stream = TypeVar('T_Stream') + + +class UnreliableObjectReceiveStream(Generic[T_Item], AsyncResource, TypedAttributeProvider): + """ + An interface for receiving objects. + + This interface makes no guarantees that the received messages arrive in the order in which they + were sent, or that no messages are missed. + + Asynchronously iterating over objects of this type will yield objects matching the given type + parameter. + """ + + def __aiter__(self) -> "UnreliableObjectReceiveStream[T_Item]": + return self + + async def __anext__(self) -> T_Item: + try: + return await self.receive() + except EndOfStream: + raise StopAsyncIteration + + @abstractmethod + async def receive(self) -> T_Item: + """ + Receive the next item. + + :raises ~anyio.ClosedResourceError: if the receive stream has been explicitly + closed + :raises ~anyio.EndOfStream: if this stream has been closed from the other end + :raises ~anyio.BrokenResourceError: if this stream has been rendered unusable + due to external causes + """ + + +class UnreliableObjectSendStream(Generic[T_Item], AsyncResource, TypedAttributeProvider): + """ + An interface for sending objects. + + This interface makes no guarantees that the messages sent will reach the recipient(s) in the + same order in which they were sent, or at all. + """ + + @abstractmethod + async def send(self, item: T_Item) -> None: + """ + Send an item to the peer(s). + + :param item: the item to send + :raises ~anyio.ClosedResourceError: if the send stream has been explicitly + closed + :raises ~anyio.BrokenResourceError: if this stream has been rendered unusable + due to external causes + """ + + +class UnreliableObjectStream(UnreliableObjectReceiveStream[T_Item], + UnreliableObjectSendStream[T_Item]): + """ + A bidirectional message stream which does not guarantee the order or reliability of message + delivery. + """ + + +class ObjectReceiveStream(UnreliableObjectReceiveStream[T_Item]): + """ + A receive message stream which guarantees that messages are received in the same order in + which they were sent, and that no messages are missed. + """ + + +class ObjectSendStream(UnreliableObjectSendStream[T_Item]): + """ + A send message stream which guarantees that messages are delivered in the same order in which + they were sent, without missing any messages in the middle. + """ + + +class ObjectStream(ObjectReceiveStream[T_Item], ObjectSendStream[T_Item], + UnreliableObjectStream[T_Item]): + """ + A bidirectional message stream which guarantees the order and reliability of message delivery. + """ + + @abstractmethod + async def send_eof(self) -> None: + """ + Send an end-of-file indication to the peer. + + You should not try to send any further data to this stream after calling this method. + This method is idempotent (does nothing on successive calls). + """ + + +class ByteReceiveStream(AsyncResource, TypedAttributeProvider): + """ + An interface for receiving bytes from a single peer. + + Iterating this byte stream will yield a byte string of arbitrary length, but no more than + 65536 bytes. + """ + + def __aiter__(self) -> 'ByteReceiveStream': + return self + + async def __anext__(self) -> bytes: + try: + return await self.receive() + except EndOfStream: + raise StopAsyncIteration + + @abstractmethod + async def receive(self, max_bytes: int = 65536) -> bytes: + """ + Receive at most ``max_bytes`` bytes from the peer. + + .. note:: Implementors of this interface should not return an empty :cls:`bytes` object, + and users should ignore them. + + :param max_bytes: maximum number of bytes to receive + :return: the received bytes + :raises ~anyio.EndOfStream: if this stream has been closed from the other end + """ + + +class ByteSendStream(AsyncResource, TypedAttributeProvider): + """An interface for sending bytes to a single peer.""" + + @abstractmethod + async def send(self, item: bytes) -> None: + """ + Send the given bytes to the peer. + + :param item: the bytes to send + """ + + +class ByteStream(ByteReceiveStream, ByteSendStream): + """A bidirectional byte stream.""" + + @abstractmethod + async def send_eof(self) -> None: + """ + Send an end-of-file indication to the peer. + + You should not try to send any further data to this stream after calling this method. + This method is idempotent (does nothing on successive calls). + """ + + +#: Type alias for all unreliable bytes-oriented receive streams. +AnyUnreliableByteReceiveStream = Union[UnreliableObjectReceiveStream[bytes], ByteReceiveStream] +#: Type alias for all unreliable bytes-oriented send streams. +AnyUnreliableByteSendStream = Union[UnreliableObjectSendStream[bytes], ByteSendStream] +#: Type alias for all unreliable bytes-oriented streams. +AnyUnreliableByteStream = Union[UnreliableObjectStream[bytes], ByteStream] +#: Type alias for all bytes-oriented receive streams. +AnyByteReceiveStream = Union[ObjectReceiveStream[bytes], ByteReceiveStream] +#: Type alias for all bytes-oriented send streams. +AnyByteSendStream = Union[ObjectSendStream[bytes], ByteSendStream] +#: Type alias for all bytes-oriented streams. +AnyByteStream = Union[ObjectStream[bytes], ByteStream] + + +class Listener(Generic[T_Stream], AsyncResource, TypedAttributeProvider): + """An interface for objects that let you accept incoming connections.""" + + @abstractmethod + async def serve(self, handler: Callable[[T_Stream], Any], + task_group: Optional[TaskGroup] = None) -> None: + """ + Accept incoming connections as they come in and start tasks to handle them. + + :param handler: a callable that will be used to handle each accepted connection + :param task_group: the task group that will be used to start tasks for handling each + accepted connection (if omitted, an ad-hoc task group will be created) + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_subprocesses.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_subprocesses.py new file mode 100644 index 0000000..d2f9583 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_subprocesses.py @@ -0,0 +1,77 @@ +from abc import abstractmethod +from typing import Optional + +from ._resources import AsyncResource +from ._streams import ByteReceiveStream, ByteSendStream + + +class Process(AsyncResource): + """An asynchronous version of :class:`subprocess.Popen`.""" + + @abstractmethod + async def wait(self) -> int: + """ + Wait until the process exits. + + :return: the exit code of the process + """ + + @abstractmethod + def terminate(self) -> None: + """ + Terminates the process, gracefully if possible. + + On Windows, this calls ``TerminateProcess()``. + On POSIX systems, this sends ``SIGTERM`` to the process. + + .. seealso:: :meth:`subprocess.Popen.terminate` + """ + + @abstractmethod + def kill(self) -> None: + """ + Kills the process. + + On Windows, this calls ``TerminateProcess()``. + On POSIX systems, this sends ``SIGKILL`` to the process. + + .. seealso:: :meth:`subprocess.Popen.kill` + """ + + @abstractmethod + def send_signal(self, signal: int) -> None: + """ + Send a signal to the subprocess. + + .. seealso:: :meth:`subprocess.Popen.send_signal` + + :param signal: the signal number (e.g. :data:`signal.SIGHUP`) + """ + + @property + @abstractmethod + def pid(self) -> int: + """The process ID of the process.""" + + @property + @abstractmethod + def returncode(self) -> Optional[int]: + """ + The return code of the process. If the process has not yet terminated, this will be + ``None``. + """ + + @property + @abstractmethod + def stdin(self) -> Optional[ByteSendStream]: + """The stream for the standard input of the process.""" + + @property + @abstractmethod + def stdout(self) -> Optional[ByteReceiveStream]: + """The stream for the standard output of the process.""" + + @property + @abstractmethod + def stderr(self) -> Optional[ByteReceiveStream]: + """The stream for the standard error output of the process.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_tasks.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_tasks.py new file mode 100644 index 0000000..afa2d98 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_tasks.py @@ -0,0 +1,87 @@ +import typing +from abc import ABCMeta, abstractmethod +from types import TracebackType +from typing import Callable, Coroutine, Optional, Type, TypeVar +from warnings import warn + +if typing.TYPE_CHECKING: + from anyio._core._tasks import CancelScope + +T_Retval = TypeVar('T_Retval') + + +class TaskStatus(metaclass=ABCMeta): + @abstractmethod + def started(self, value: object = None) -> None: + """ + Signal that the task has started. + + :param value: object passed back to the starter of the task + """ + + +class TaskGroup(metaclass=ABCMeta): + """ + Groups several asynchronous tasks together. + + :ivar cancel_scope: the cancel scope inherited by all child tasks + :vartype cancel_scope: CancelScope + """ + + cancel_scope: 'CancelScope' + + async def spawn(self, func: Callable[..., Coroutine], + *args: object, name: object = None) -> None: + """ + Start a new task in this task group. + + :param func: a coroutine function + :param args: positional arguments to call the function with + :param name: name of the task, for the purposes of introspection and debugging + + .. deprecated:: 3.0 + Use :meth:`start_soon` instead. If your code needs AnyIO 2 compatibility, you + can keep using this until AnyIO 4. + + """ + warn('spawn() is deprecated -- use start_soon() (without the "await") instead', + DeprecationWarning) + self.start_soon(func, *args, name=name) + + @abstractmethod + def start_soon(self, func: Callable[..., Coroutine], + *args: object, name: object = None) -> None: + """ + Start a new task in this task group. + + :param func: a coroutine function + :param args: positional arguments to call the function with + :param name: name of the task, for the purposes of introspection and debugging + + .. versionadded:: 3.0 + """ + + @abstractmethod + async def start(self, func: Callable[..., Coroutine], + *args: object, name: object = None) -> object: + """ + Start a new task and wait until it signals for readiness. + + :param func: a coroutine function + :param args: positional arguments to call the function with + :param name: name of the task, for the purposes of introspection and debugging + :return: the value passed to ``task_status.started()`` + :raises RuntimeError: if the task finishes without calling ``task_status.started()`` + + .. versionadded:: 3.0 + """ + + @abstractmethod + async def __aenter__(self) -> 'TaskGroup': + """Enter the task group context and allow starting new tasks.""" + + @abstractmethod + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + """Exit the task group context waiting for all tasks to finish.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_testing.py b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_testing.py new file mode 100644 index 0000000..2cc9822 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/abc/_testing.py @@ -0,0 +1,37 @@ +import types +from abc import ABCMeta, abstractmethod +from typing import Any, Awaitable, Callable, Dict, Optional, Type, TypeVar + +_T = TypeVar("_T") + + +class TestRunner(metaclass=ABCMeta): + """ + Encapsulates a running event loop. Every call made through this object will use the same event + loop. + """ + + def __enter__(self) -> 'TestRunner': + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[types.TracebackType]) -> Optional[bool]: + self.close() + return None + + @abstractmethod + def close(self) -> None: + """Close the event loop.""" + + @abstractmethod + def call(self, func: Callable[..., Awaitable[_T]], + *args: object, **kwargs: Dict[str, Any]) -> _T: + """ + Call the given function within the backend's event loop. + + :param func: a callable returning an awaitable + :param args: positional arguments to call ``func`` with + :param kwargs: keyword arguments to call ``func`` with + :return: the return value of ``func`` + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/from_thread.py b/backend/mb-env/lib/python3.9/site-packages/anyio/from_thread.py new file mode 100644 index 0000000..26d4a26 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/from_thread.py @@ -0,0 +1,406 @@ +import threading +from asyncio import iscoroutine +from concurrent.futures import FIRST_COMPLETED, Future, ThreadPoolExecutor, wait +from contextlib import AbstractContextManager, contextmanager +from types import TracebackType +from typing import ( + Any, AsyncContextManager, Callable, ContextManager, Coroutine, Dict, Generator, Iterable, + Optional, Tuple, Type, TypeVar, Union, cast, overload) +from warnings import warn + +from ._core import _eventloop +from ._core._eventloop import get_asynclib, get_cancelled_exc_class, threadlocals +from ._core._synchronization import Event +from ._core._tasks import CancelScope, create_task_group +from .abc._tasks import TaskStatus + +T_Retval = TypeVar('T_Retval') +T_co = TypeVar('T_co') + + +def run(func: Callable[..., Coroutine[Any, Any, T_Retval]], *args: object) -> T_Retval: + """ + Call a coroutine function from a worker thread. + + :param func: a coroutine function + :param args: positional arguments for the callable + :return: the return value of the coroutine function + + """ + try: + asynclib = threadlocals.current_async_module + except AttributeError: + raise RuntimeError('This function can only be run from an AnyIO worker thread') + + return asynclib.run_async_from_thread(func, *args) + + +def run_async_from_thread(func: Callable[..., Coroutine[Any, Any, T_Retval]], + *args: object) -> T_Retval: + warn('run_async_from_thread() has been deprecated, use anyio.from_thread.run() instead', + DeprecationWarning) + return run(func, *args) + + +def run_sync(func: Callable[..., T_Retval], *args: object) -> T_Retval: + """ + Call a function in the event loop thread from a worker thread. + + :param func: a callable + :param args: positional arguments for the callable + :return: the return value of the callable + + """ + try: + asynclib = threadlocals.current_async_module + except AttributeError: + raise RuntimeError('This function can only be run from an AnyIO worker thread') + + return asynclib.run_sync_from_thread(func, *args) + + +def run_sync_from_thread(func: Callable[..., T_Retval], *args: object) -> T_Retval: + warn('run_sync_from_thread() has been deprecated, use anyio.from_thread.run_sync() instead', + DeprecationWarning) + return run_sync(func, *args) + + +class _BlockingAsyncContextManager(AbstractContextManager): + _enter_future: Future + _exit_future: Future + _exit_event: Event + _exit_exc_info: Tuple[Optional[Type[BaseException]], Optional[BaseException], + Optional[TracebackType]] + + def __init__(self, async_cm: AsyncContextManager[T_co], portal: 'BlockingPortal'): + self._async_cm = async_cm + self._portal = portal + + async def run_async_cm(self) -> Optional[bool]: + try: + self._exit_event = Event() + value = await self._async_cm.__aenter__() + except BaseException as exc: + self._enter_future.set_exception(exc) + raise + else: + self._enter_future.set_result(value) + + await self._exit_event.wait() + return await self._async_cm.__aexit__(*self._exit_exc_info) + + def __enter__(self) -> T_co: + self._enter_future = Future() + self._exit_future = self._portal.start_task_soon(self.run_async_cm) + cm = self._enter_future.result() + return cast(T_co, cm) + + def __exit__(self, __exc_type: Optional[Type[BaseException]], + __exc_value: Optional[BaseException], + __traceback: Optional[TracebackType]) -> Optional[bool]: + self._exit_exc_info = __exc_type, __exc_value, __traceback + self._portal.call(self._exit_event.set) + return self._exit_future.result() + + +class _BlockingPortalTaskStatus(TaskStatus): + def __init__(self, future: Future): + self._future = future + + def started(self, value: object = None) -> None: + self._future.set_result(value) + + +class BlockingPortal: + """An object that lets external threads run code in an asynchronous event loop.""" + + def __new__(cls) -> 'BlockingPortal': + return get_asynclib().BlockingPortal() + + def __init__(self) -> None: + self._event_loop_thread_id: Optional[int] = threading.get_ident() + self._stop_event = Event() + self._task_group = create_task_group() + self._cancelled_exc_class = get_cancelled_exc_class() + + async def __aenter__(self) -> 'BlockingPortal': + await self._task_group.__aenter__() + return self + + async def __aexit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> Optional[bool]: + await self.stop() + return await self._task_group.__aexit__(exc_type, exc_val, exc_tb) + + def _check_running(self) -> None: + if self._event_loop_thread_id is None: + raise RuntimeError('This portal is not running') + if self._event_loop_thread_id == threading.get_ident(): + raise RuntimeError('This method cannot be called from the event loop thread') + + async def sleep_until_stopped(self) -> None: + """Sleep until :meth:`stop` is called.""" + await self._stop_event.wait() + + async def stop(self, cancel_remaining: bool = False) -> None: + """ + Signal the portal to shut down. + + This marks the portal as no longer accepting new calls and exits from + :meth:`sleep_until_stopped`. + + :param cancel_remaining: ``True`` to cancel all the remaining tasks, ``False`` to let them + finish before returning + + """ + self._event_loop_thread_id = None + self._stop_event.set() + if cancel_remaining: + self._task_group.cancel_scope.cancel() + + async def _call_func(self, func: Callable, args: tuple, kwargs: Dict[str, Any], + future: Future) -> None: + def callback(f: Future) -> None: + if f.cancelled(): + self.call(scope.cancel) + + try: + retval = func(*args, **kwargs) + if iscoroutine(retval): + with CancelScope() as scope: + if future.cancelled(): + scope.cancel() + else: + future.add_done_callback(callback) + + retval = await retval + except self._cancelled_exc_class: + future.cancel() + except BaseException as exc: + if not future.cancelled(): + future.set_exception(exc) + + # Let base exceptions fall through + if not isinstance(exc, Exception): + raise + else: + if not future.cancelled(): + future.set_result(retval) + finally: + scope = None # type: ignore[assignment] + + def _spawn_task_from_thread(self, func: Callable, args: tuple, kwargs: Dict[str, Any], + name: object, future: Future) -> None: + """ + Spawn a new task using the given callable. + + Implementors must ensure that the future is resolved when the task finishes. + + :param func: a callable + :param args: positional arguments to be passed to the callable + :param kwargs: keyword arguments to be passed to the callable + :param name: name of the task (will be coerced to a string if not ``None``) + :param future: a future that will resolve to the return value of the callable, or the + exception raised during its execution + + """ + raise NotImplementedError + + @overload + def call(self, func: Callable[..., Coroutine[Any, Any, T_Retval]], *args: object) -> T_Retval: + ... + + @overload + def call(self, func: Callable[..., T_Retval], *args: object) -> T_Retval: + ... + + def call(self, func: Callable[..., Union[Coroutine[Any, Any, T_Retval], T_Retval]], + *args: object) -> T_Retval: + """ + Call the given function in the event loop thread. + + If the callable returns a coroutine object, it is awaited on. + + :param func: any callable + :raises RuntimeError: if the portal is not running or if this method is called from within + the event loop thread + + """ + return cast(T_Retval, self.start_task_soon(func, *args).result()) + + @overload + def spawn_task(self, func: Callable[..., Coroutine[Any, Any, T_Retval]], + *args: object, name: object = None) -> "Future[T_Retval]": + ... + + @overload + def spawn_task(self, func: Callable[..., T_Retval], + *args: object, name: object = None) -> "Future[T_Retval]": ... + + def spawn_task(self, func: Callable[..., Union[Coroutine[Any, Any, T_Retval], T_Retval]], + *args: object, name: object = None) -> "Future[T_Retval]": + """ + Start a task in the portal's task group. + + :param func: the target coroutine function + :param args: positional arguments passed to ``func`` + :param name: name of the task (will be coerced to a string if not ``None``) + :return: a future that resolves with the return value of the callable if the task completes + successfully, or with the exception raised in the task + :raises RuntimeError: if the portal is not running or if this method is called from within + the event loop thread + + .. versionadded:: 2.1 + .. deprecated:: 3.0 + Use :meth:`start_task_soon` instead. If your code needs AnyIO 2 compatibility, you + can keep using this until AnyIO 4. + + """ + warn('spawn_task() is deprecated -- use start_task_soon() instead', DeprecationWarning) + return self.start_task_soon(func, *args, name=name) # type: ignore[arg-type] + + @overload + def start_task_soon(self, func: Callable[..., Coroutine[Any, Any, T_Retval]], + *args: object, name: object = None) -> "Future[T_Retval]": + ... + + @overload + def start_task_soon(self, func: Callable[..., T_Retval], + *args: object, name: object = None) -> "Future[T_Retval]": ... + + def start_task_soon(self, func: Callable[..., Union[Coroutine[Any, Any, T_Retval], T_Retval]], + *args: object, name: object = None) -> "Future[T_Retval]": + """ + Start a task in the portal's task group. + + The task will be run inside a cancel scope which can be cancelled by cancelling the + returned future. + + :param func: the target coroutine function + :param args: positional arguments passed to ``func`` + :param name: name of the task (will be coerced to a string if not ``None``) + :return: a future that resolves with the return value of the callable if the task completes + successfully, or with the exception raised in the task + :raises RuntimeError: if the portal is not running or if this method is called from within + the event loop thread + + .. versionadded:: 3.0 + + """ + self._check_running() + f: Future = Future() + self._spawn_task_from_thread(func, args, {}, name, f) + return f + + def start_task(self, func: Callable[..., Coroutine], *args: object, + name: object = None) -> Tuple[Future, Any]: + """ + Start a task in the portal's task group and wait until it signals for readiness. + + This method works the same way as :meth:`TaskGroup.start`. + + :param func: the target coroutine function + :param args: positional arguments passed to ``func`` + :param name: name of the task (will be coerced to a string if not ``None``) + :return: a tuple of (future, task_status_value) where the ``task_status_value`` is the + value passed to ``task_status.started()`` from within the target function + + .. versionadded:: 3.0 + + """ + def task_done(future: Future) -> None: + if not task_status_future.done(): + if future.cancelled(): + task_status_future.cancel() + elif future.exception(): + task_status_future.set_exception(future.exception()) + else: + exc = RuntimeError('Task exited without calling task_status.started()') + task_status_future.set_exception(exc) + + self._check_running() + task_status_future: Future = Future() + task_status = _BlockingPortalTaskStatus(task_status_future) + f: Future = Future() + f.add_done_callback(task_done) + self._spawn_task_from_thread(func, args, {'task_status': task_status}, name, f) + return f, task_status_future.result() + + def wrap_async_context_manager(self, cm: AsyncContextManager[T_co]) -> ContextManager[T_co]: + """ + Wrap an async context manager as a synchronous context manager via this portal. + + Spawns a task that will call both ``__aenter__()`` and ``__aexit__()``, stopping in the + middle until the synchronous context manager exits. + + :param cm: an asynchronous context manager + :return: a synchronous context manager + + .. versionadded:: 2.1 + + """ + return _BlockingAsyncContextManager(cm, self) + + +def create_blocking_portal() -> BlockingPortal: + """ + Create a portal for running functions in the event loop thread from external threads. + + Use this function in asynchronous code when you need to allow external threads access to the + event loop where your asynchronous code is currently running. + + .. deprecated:: 3.0 + Use :class:`.BlockingPortal` directly. + + """ + warn('create_blocking_portal() has been deprecated -- use anyio.from_thread.BlockingPortal() ' + 'directly', DeprecationWarning) + return BlockingPortal() + + +@contextmanager +def start_blocking_portal( + backend: str = 'asyncio', + backend_options: Optional[Dict[str, Any]] = None) -> Generator[BlockingPortal, Any, None]: + """ + Start a new event loop in a new thread and run a blocking portal in its main task. + + The parameters are the same as for :func:`~anyio.run`. + + :param backend: name of the backend + :param backend_options: backend options + :return: a context manager that yields a blocking portal + + .. versionchanged:: 3.0 + Usage as a context manager is now required. + + """ + async def run_portal() -> None: + async with BlockingPortal() as portal_: + if future.set_running_or_notify_cancel(): + future.set_result(portal_) + await portal_.sleep_until_stopped() + + future: Future[BlockingPortal] = Future() + with ThreadPoolExecutor(1) as executor: + run_future = executor.submit(_eventloop.run, run_portal, backend=backend, + backend_options=backend_options) + try: + wait(cast(Iterable[Future], [run_future, future]), return_when=FIRST_COMPLETED) + except BaseException: + future.cancel() + run_future.cancel() + raise + + if future.done(): + portal = future.result() + try: + yield portal + except BaseException: + portal.call(portal.stop, True) + raise + + portal.call(portal.stop, False) + + run_future.result() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/lowlevel.py b/backend/mb-env/lib/python3.9/site-packages/anyio/lowlevel.py new file mode 100644 index 0000000..471b7e6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/lowlevel.py @@ -0,0 +1,160 @@ +import enum +import sys +from dataclasses import dataclass +from typing import Any, Dict, Generic, Set, TypeVar, Union, overload +from weakref import WeakKeyDictionary + +from ._core._eventloop import get_asynclib + +if sys.version_info >= (3, 8): + from typing import Literal +else: + from typing_extensions import Literal + +T = TypeVar('T') +D = TypeVar('D') + + +async def checkpoint() -> None: + """ + Check for cancellation and allow the scheduler to switch to another task. + + Equivalent to (but more efficient than):: + + await checkpoint_if_cancelled() + await cancel_shielded_checkpoint() + + .. versionadded:: 3.0 + + """ + await get_asynclib().checkpoint() + + +async def checkpoint_if_cancelled() -> None: + """ + Enter a checkpoint if the enclosing cancel scope has been cancelled. + + This does not allow the scheduler to switch to a different task. + + .. versionadded:: 3.0 + + """ + await get_asynclib().checkpoint_if_cancelled() + + +async def cancel_shielded_checkpoint() -> None: + """ + Allow the scheduler to switch to another task but without checking for cancellation. + + Equivalent to (but potentially more efficient than):: + + with CancelScope(shield=True): + await checkpoint() + + .. versionadded:: 3.0 + + """ + await get_asynclib().cancel_shielded_checkpoint() + + +def current_token() -> object: + """Return a backend specific token object that can be used to get back to the event loop.""" + return get_asynclib().current_token() + + +_run_vars = WeakKeyDictionary() # type: WeakKeyDictionary[Any, Dict[str, Any]] +_token_wrappers: Dict[Any, '_TokenWrapper'] = {} + + +@dataclass(frozen=True) +class _TokenWrapper: + __slots__ = '_token', '__weakref__' + _token: object + + +class _NoValueSet(enum.Enum): + NO_VALUE_SET = enum.auto() + + +class RunvarToken(Generic[T]): + __slots__ = '_var', '_value', '_redeemed' + + def __init__(self, var: 'RunVar', value: Union[T, Literal[_NoValueSet.NO_VALUE_SET]]): + self._var = var + self._value: Union[T, Literal[_NoValueSet.NO_VALUE_SET]] = value + self._redeemed = False + + +class RunVar(Generic[T]): + """Like a :class:`~contextvars.ContextVar`, expect scoped to the running event loop.""" + __slots__ = '_name', '_default' + + NO_VALUE_SET: Literal[_NoValueSet.NO_VALUE_SET] = _NoValueSet.NO_VALUE_SET + + _token_wrappers: Set[_TokenWrapper] = set() + + def __init__(self, name: str, + default: Union[T, Literal[_NoValueSet.NO_VALUE_SET]] = NO_VALUE_SET): + self._name = name + self._default = default + + @property + def _current_vars(self) -> Dict[str, T]: + token = current_token() + while True: + try: + return _run_vars[token] + except TypeError: + # Happens when token isn't weak referable (TrioToken). + # This workaround does mean that some memory will leak on Trio until the problem + # is fixed on their end. + token = _TokenWrapper(token) + self._token_wrappers.add(token) + except KeyError: + run_vars = _run_vars[token] = {} + return run_vars + + @overload + def get(self, default: D) -> Union[T, D]: ... + + @overload + def get(self) -> T: ... + + def get( + self, default: Union[D, Literal[_NoValueSet.NO_VALUE_SET]] = NO_VALUE_SET + ) -> Union[T, D]: + try: + return self._current_vars[self._name] + except KeyError: + if default is not RunVar.NO_VALUE_SET: + return default + elif self._default is not RunVar.NO_VALUE_SET: + return self._default + + raise LookupError(f'Run variable "{self._name}" has no value and no default set') + + def set(self, value: T) -> RunvarToken[T]: + current_vars = self._current_vars + token = RunvarToken(self, current_vars.get(self._name, RunVar.NO_VALUE_SET)) + current_vars[self._name] = value + return token + + def reset(self, token: RunvarToken[T]) -> None: + if token._var is not self: + raise ValueError('This token does not belong to this RunVar') + + if token._redeemed: + raise ValueError('This token has already been used') + + if token._value is _NoValueSet.NO_VALUE_SET: + try: + del self._current_vars[self._name] + except KeyError: + pass + else: + self._current_vars[self._name] = token._value + + token._redeemed = True + + def __repr__(self) -> str: + return f'' diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/py.typed b/backend/mb-env/lib/python3.9/site-packages/anyio/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/pytest_plugin.py b/backend/mb-env/lib/python3.9/site-packages/anyio/pytest_plugin.py new file mode 100644 index 0000000..d0cc2fb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/pytest_plugin.py @@ -0,0 +1,152 @@ +from contextlib import contextmanager +from inspect import isasyncgenfunction, iscoroutinefunction +from typing import TYPE_CHECKING, Any, Dict, Iterator, Optional, Tuple, cast + +import pytest +import sniffio + +from ._core._eventloop import get_all_backends, get_asynclib +from .abc import TestRunner + +if TYPE_CHECKING: + from _pytest.config import Config + +_current_runner: Optional[TestRunner] = None + + +def extract_backend_and_options(backend: object) -> Tuple[str, Dict[str, Any]]: + if isinstance(backend, str): + return backend, {} + elif isinstance(backend, tuple) and len(backend) == 2: + if isinstance(backend[0], str) and isinstance(backend[1], dict): + return cast(Tuple[str, Dict[str, Any]], backend) + + raise TypeError('anyio_backend must be either a string or tuple of (string, dict)') + + +@contextmanager +def get_runner(backend_name: str, backend_options: Dict[str, Any]) -> Iterator[TestRunner]: + global _current_runner + if _current_runner: + yield _current_runner + return + + asynclib = get_asynclib(backend_name) + token = None + if sniffio.current_async_library_cvar.get(None) is None: + # Since we're in control of the event loop, we can cache the name of the async library + token = sniffio.current_async_library_cvar.set(backend_name) + + try: + backend_options = backend_options or {} + with asynclib.TestRunner(**backend_options) as runner: + _current_runner = runner + yield runner + finally: + _current_runner = None + if token: + sniffio.current_async_library_cvar.reset(token) + + +def pytest_configure(config: "Config") -> None: + config.addinivalue_line('markers', 'anyio: mark the (coroutine function) test to be run ' + 'asynchronously via anyio.') + + +def pytest_fixture_setup(fixturedef: Any, request: Any) -> None: + def wrapper(*args, anyio_backend, **kwargs): # type: ignore[no-untyped-def] + backend_name, backend_options = extract_backend_and_options(anyio_backend) + if has_backend_arg: + kwargs['anyio_backend'] = anyio_backend + + with get_runner(backend_name, backend_options) as runner: + if isasyncgenfunction(func): + gen = func(*args, **kwargs) + try: + value = runner.call(gen.asend, None) + except StopAsyncIteration: + raise RuntimeError('Async generator did not yield') + + yield value + + try: + runner.call(gen.asend, None) + except StopAsyncIteration: + pass + else: + runner.call(gen.aclose) + raise RuntimeError('Async generator fixture did not stop') + else: + yield runner.call(func, *args, **kwargs) + + # Only apply this to coroutine functions and async generator functions in requests that involve + # the anyio_backend fixture + func = fixturedef.func + if isasyncgenfunction(func) or iscoroutinefunction(func): + if 'anyio_backend' in request.fixturenames: + has_backend_arg = 'anyio_backend' in fixturedef.argnames + fixturedef.func = wrapper + if not has_backend_arg: + fixturedef.argnames += ('anyio_backend',) + + +@pytest.hookimpl(tryfirst=True) +def pytest_pycollect_makeitem(collector: Any, name: Any, obj: Any) -> None: + if collector.istestfunction(obj, name): + inner_func = obj.hypothesis.inner_test if hasattr(obj, 'hypothesis') else obj + if iscoroutinefunction(inner_func): + marker = collector.get_closest_marker('anyio') + own_markers = getattr(obj, 'pytestmark', ()) + if marker or any(marker.name == 'anyio' for marker in own_markers): + pytest.mark.usefixtures('anyio_backend')(obj) + + +@pytest.hookimpl(tryfirst=True) +def pytest_pyfunc_call(pyfuncitem: Any) -> Optional[bool]: + def run_with_hypothesis(**kwargs: Any) -> None: + with get_runner(backend_name, backend_options) as runner: + runner.call(original_func, **kwargs) + + backend = pyfuncitem.funcargs.get('anyio_backend') + if backend: + backend_name, backend_options = extract_backend_and_options(backend) + + if hasattr(pyfuncitem.obj, 'hypothesis'): + # Wrap the inner test function unless it's already wrapped + original_func = pyfuncitem.obj.hypothesis.inner_test + if original_func.__qualname__ != run_with_hypothesis.__qualname__: + if iscoroutinefunction(original_func): + pyfuncitem.obj.hypothesis.inner_test = run_with_hypothesis + + return None + + if iscoroutinefunction(pyfuncitem.obj): + funcargs = pyfuncitem.funcargs + testargs = {arg: funcargs[arg] for arg in pyfuncitem._fixtureinfo.argnames} + with get_runner(backend_name, backend_options) as runner: + runner.call(pyfuncitem.obj, **testargs) + + return True + + return None + + +@pytest.fixture(params=get_all_backends()) +def anyio_backend(request: Any) -> Any: + return request.param + + +@pytest.fixture +def anyio_backend_name(anyio_backend: Any) -> str: + if isinstance(anyio_backend, str): + return anyio_backend + else: + return anyio_backend[0] + + +@pytest.fixture +def anyio_backend_options(anyio_backend: Any) -> Dict[str, Any]: + if isinstance(anyio_backend, str): + return {} + else: + return anyio_backend[1] diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/__init__.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/buffered.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/buffered.py new file mode 100644 index 0000000..ee220ca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/buffered.py @@ -0,0 +1,116 @@ +from dataclasses import dataclass, field +from typing import Any, Callable, Mapping + +from .. import ClosedResourceError, DelimiterNotFound, EndOfStream, IncompleteRead +from ..abc import AnyByteReceiveStream, ByteReceiveStream + + +@dataclass(eq=False) +class BufferedByteReceiveStream(ByteReceiveStream): + """ + Wraps any bytes-based receive stream and uses a buffer to provide sophisticated receiving + capabilities in the form of a byte stream. + """ + + receive_stream: AnyByteReceiveStream + _buffer: bytearray = field(init=False, default_factory=bytearray) + _closed: bool = field(init=False, default=False) + + async def aclose(self) -> None: + await self.receive_stream.aclose() + self._closed = True + + @property + def buffer(self) -> bytes: + """The bytes currently in the buffer.""" + return bytes(self._buffer) + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return self.receive_stream.extra_attributes + + async def receive(self, max_bytes: int = 65536) -> bytes: + if self._closed: + raise ClosedResourceError + + if self._buffer: + chunk = bytes(self._buffer[:max_bytes]) + del self._buffer[:max_bytes] + return chunk + elif isinstance(self.receive_stream, ByteReceiveStream): + return await self.receive_stream.receive(max_bytes) + else: + # With a bytes-oriented object stream, we need to handle any surplus bytes we get from + # the receive() call + chunk = await self.receive_stream.receive() + if len(chunk) > max_bytes: + # Save the surplus bytes in the buffer + self._buffer.extend(chunk[max_bytes:]) + return chunk[:max_bytes] + else: + return chunk + + async def receive_exactly(self, nbytes: int) -> bytes: + """ + Read exactly the given amount of bytes from the stream. + + :param nbytes: the number of bytes to read + :return: the bytes read + :raises ~anyio.IncompleteRead: if the stream was closed before the requested + amount of bytes could be read from the stream + + """ + while True: + remaining = nbytes - len(self._buffer) + if remaining <= 0: + retval = self._buffer[:nbytes] + del self._buffer[:nbytes] + return bytes(retval) + + try: + if isinstance(self.receive_stream, ByteReceiveStream): + chunk = await self.receive_stream.receive(remaining) + else: + chunk = await self.receive_stream.receive() + except EndOfStream as exc: + raise IncompleteRead from exc + + self._buffer.extend(chunk) + + async def receive_until(self, delimiter: bytes, max_bytes: int) -> bytes: + """ + Read from the stream until the delimiter is found or max_bytes have been read. + + :param delimiter: the marker to look for in the stream + :param max_bytes: maximum number of bytes that will be read before raising + :exc:`~anyio.DelimiterNotFound` + :return: the bytes read (not including the delimiter) + :raises ~anyio.IncompleteRead: if the stream was closed before the delimiter + was found + :raises ~anyio.DelimiterNotFound: if the delimiter is not found within the + bytes read up to the maximum allowed + + """ + delimiter_size = len(delimiter) + offset = 0 + while True: + # Check if the delimiter can be found in the current buffer + index = self._buffer.find(delimiter, offset) + if index >= 0: + found = self._buffer[:index] + del self._buffer[:index + len(delimiter):] + return bytes(found) + + # Check if the buffer is already at or over the limit + if len(self._buffer) >= max_bytes: + raise DelimiterNotFound(max_bytes) + + # Read more data into the buffer from the socket + try: + data = await self.receive_stream.receive() + except EndOfStream as exc: + raise IncompleteRead from exc + + # Move the offset forward and add the new data to the buffer + offset = max(len(self._buffer) - delimiter_size + 1, 0) + self._buffer.extend(data) diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/file.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/file.py new file mode 100644 index 0000000..deb5e62 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/file.py @@ -0,0 +1,139 @@ +from io import SEEK_SET, UnsupportedOperation +from os import PathLike +from pathlib import Path +from typing import Any, BinaryIO, Callable, Dict, Mapping, Union, cast + +from .. import ( + BrokenResourceError, ClosedResourceError, EndOfStream, TypedAttributeSet, to_thread, + typed_attribute) +from ..abc import ByteReceiveStream, ByteSendStream + + +class FileStreamAttribute(TypedAttributeSet): + #: the open file descriptor + file: BinaryIO = typed_attribute() + #: the path of the file on the file system, if available (file must be a real file) + path: Path = typed_attribute() + #: the file number, if available (file must be a real file or a TTY) + fileno: int = typed_attribute() + + +class _BaseFileStream: + def __init__(self, file: BinaryIO): + self._file = file + + async def aclose(self) -> None: + await to_thread.run_sync(self._file.close) + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + attributes: Dict[Any, Callable[[], Any]] = { + FileStreamAttribute.file: lambda: self._file, + } + + if hasattr(self._file, 'name'): + attributes[FileStreamAttribute.path] = lambda: Path(self._file.name) + + try: + self._file.fileno() + except UnsupportedOperation: + pass + else: + attributes[FileStreamAttribute.fileno] = lambda: self._file.fileno() + + return attributes + + +class FileReadStream(_BaseFileStream, ByteReceiveStream): + """ + A byte stream that reads from a file in the file system. + + :param file: a file that has been opened for reading in binary mode + + .. versionadded:: 3.0 + """ + + @classmethod + async def from_path(cls, path: Union[str, PathLike]) -> 'FileReadStream': + """ + Create a file read stream by opening the given file. + + :param path: path of the file to read from + + """ + file = await to_thread.run_sync(Path(path).open, 'rb') + return cls(cast(BinaryIO, file)) + + async def receive(self, max_bytes: int = 65536) -> bytes: + try: + data = await to_thread.run_sync(self._file.read, max_bytes) + except ValueError: + raise ClosedResourceError from None + except OSError as exc: + raise BrokenResourceError from exc + + if data: + return data + else: + raise EndOfStream + + async def seek(self, position: int, whence: int = SEEK_SET) -> int: + """ + Seek the file to the given position. + + .. seealso:: :meth:`io.IOBase.seek` + + .. note:: Not all file descriptors are seekable. + + :param position: position to seek the file to + :param whence: controls how ``position`` is interpreted + :return: the new absolute position + :raises OSError: if the file is not seekable + + """ + return await to_thread.run_sync(self._file.seek, position, whence) + + async def tell(self) -> int: + """ + Return the current stream position. + + .. note:: Not all file descriptors are seekable. + + :return: the current absolute position + :raises OSError: if the file is not seekable + + """ + return await to_thread.run_sync(self._file.tell) + + +class FileWriteStream(_BaseFileStream, ByteSendStream): + """ + A byte stream that writes to a file in the file system. + + :param file: a file that has been opened for writing in binary mode + + .. versionadded:: 3.0 + """ + + @classmethod + async def from_path(cls, path: Union[str, PathLike], + append: bool = False) -> 'FileWriteStream': + """ + Create a file write stream by opening the given file for writing. + + :param path: path of the file to write to + :param append: if ``True``, open the file for appending; if ``False``, any existing file + at the given path will be truncated + + """ + mode = 'ab' if append else 'wb' + file = await to_thread.run_sync(Path(path).open, mode) + return cls(cast(BinaryIO, file)) + + async def send(self, item: bytes) -> None: + try: + await to_thread.run_sync(self._file.write, item) + except ValueError: + raise ClosedResourceError from None + except OSError as exc: + raise BrokenResourceError from exc diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/memory.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/memory.py new file mode 100644 index 0000000..b8b3f6c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/memory.py @@ -0,0 +1,254 @@ +from collections import OrderedDict, deque +from dataclasses import dataclass, field +from types import TracebackType +from typing import Deque, Generic, List, NamedTuple, Optional, Type, TypeVar + +from .. import ( + BrokenResourceError, ClosedResourceError, EndOfStream, WouldBlock, get_cancelled_exc_class) +from .._core._compat import DeprecatedAwaitable +from ..abc import Event, ObjectReceiveStream, ObjectSendStream +from ..lowlevel import checkpoint + +T_Item = TypeVar('T_Item') + + +class MemoryObjectStreamStatistics(NamedTuple): + current_buffer_used: int + max_buffer_size: float + open_send_streams: int + open_receive_streams: int + tasks_waiting_send: int + tasks_waiting_receive: int + + +@dataclass(eq=False) +class MemoryObjectStreamState(Generic[T_Item]): + max_buffer_size: float = field() + buffer: Deque[T_Item] = field(init=False, default_factory=deque) + open_send_channels: int = field(init=False, default=0) + open_receive_channels: int = field(init=False, default=0) + waiting_receivers: 'OrderedDict[Event, List[T_Item]]' = field(init=False, + default_factory=OrderedDict) + waiting_senders: 'OrderedDict[Event, T_Item]' = field(init=False, default_factory=OrderedDict) + + def statistics(self) -> MemoryObjectStreamStatistics: + return MemoryObjectStreamStatistics( + len(self.buffer), self.max_buffer_size, self.open_send_channels, + self.open_receive_channels, len(self.waiting_senders), len(self.waiting_receivers)) + + +@dataclass(eq=False) +class MemoryObjectReceiveStream(Generic[T_Item], ObjectReceiveStream[T_Item]): + _state: MemoryObjectStreamState[T_Item] + _closed: bool = field(init=False, default=False) + + def __post_init__(self) -> None: + self._state.open_receive_channels += 1 + + def receive_nowait(self) -> T_Item: + """ + Receive the next item if it can be done without waiting. + + :return: the received item + :raises ~anyio.ClosedResourceError: if this send stream has been closed + :raises ~anyio.EndOfStream: if the buffer is empty and this stream has been + closed from the sending end + :raises ~anyio.WouldBlock: if there are no items in the buffer and no tasks + waiting to send + + """ + if self._closed: + raise ClosedResourceError + + if self._state.waiting_senders: + # Get the item from the next sender + send_event, item = self._state.waiting_senders.popitem(last=False) + self._state.buffer.append(item) + send_event.set() + + if self._state.buffer: + return self._state.buffer.popleft() + elif not self._state.open_send_channels: + raise EndOfStream + + raise WouldBlock + + async def receive(self) -> T_Item: + await checkpoint() + try: + return self.receive_nowait() + except WouldBlock: + # Add ourselves in the queue + receive_event = Event() + container: List[T_Item] = [] + self._state.waiting_receivers[receive_event] = container + + try: + await receive_event.wait() + except get_cancelled_exc_class(): + # Ignore the immediate cancellation if we already received an item, so as not to + # lose it + if not container: + raise + finally: + self._state.waiting_receivers.pop(receive_event, None) + + if container: + return container[0] + else: + raise EndOfStream + + def clone(self) -> 'MemoryObjectReceiveStream': + """ + Create a clone of this receive stream. + + Each clone can be closed separately. Only when all clones have been closed will the + receiving end of the memory stream be considered closed by the sending ends. + + :return: the cloned stream + + """ + if self._closed: + raise ClosedResourceError + + return MemoryObjectReceiveStream(_state=self._state) + + def close(self) -> None: + """ + Close the stream. + + This works the exact same way as :meth:`aclose`, but is provided as a special case for the + benefit of synchronous callbacks. + + """ + if not self._closed: + self._closed = True + self._state.open_receive_channels -= 1 + if self._state.open_receive_channels == 0: + send_events = list(self._state.waiting_senders.keys()) + for event in send_events: + event.set() + + async def aclose(self) -> None: + self.close() + + def statistics(self) -> MemoryObjectStreamStatistics: + """ + Return statistics about the current state of this stream. + + .. versionadded:: 3.0 + """ + return self._state.statistics() + + def __enter__(self) -> 'MemoryObjectReceiveStream[T_Item]': + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.close() + + +@dataclass(eq=False) +class MemoryObjectSendStream(Generic[T_Item], ObjectSendStream[T_Item]): + _state: MemoryObjectStreamState[T_Item] + _closed: bool = field(init=False, default=False) + + def __post_init__(self) -> None: + self._state.open_send_channels += 1 + + def send_nowait(self, item: T_Item) -> DeprecatedAwaitable: + """ + Send an item immediately if it can be done without waiting. + + :param item: the item to send + :raises ~anyio.ClosedResourceError: if this send stream has been closed + :raises ~anyio.BrokenResourceError: if the stream has been closed from the + receiving end + :raises ~anyio.WouldBlock: if the buffer is full and there are no tasks waiting + to receive + + """ + if self._closed: + raise ClosedResourceError + if not self._state.open_receive_channels: + raise BrokenResourceError + + if self._state.waiting_receivers: + receive_event, container = self._state.waiting_receivers.popitem(last=False) + container.append(item) + receive_event.set() + elif len(self._state.buffer) < self._state.max_buffer_size: + self._state.buffer.append(item) + else: + raise WouldBlock + + return DeprecatedAwaitable(self.send_nowait) + + async def send(self, item: T_Item) -> None: + await checkpoint() + try: + self.send_nowait(item) + except WouldBlock: + # Wait until there's someone on the receiving end + send_event = Event() + self._state.waiting_senders[send_event] = item + try: + await send_event.wait() + except BaseException: + self._state.waiting_senders.pop(send_event, None) # type: ignore[arg-type] + raise + + if self._state.waiting_senders.pop(send_event, None): # type: ignore[arg-type] + raise BrokenResourceError + + def clone(self) -> 'MemoryObjectSendStream': + """ + Create a clone of this send stream. + + Each clone can be closed separately. Only when all clones have been closed will the + sending end of the memory stream be considered closed by the receiving ends. + + :return: the cloned stream + + """ + if self._closed: + raise ClosedResourceError + + return MemoryObjectSendStream(_state=self._state) + + def close(self) -> None: + """ + Close the stream. + + This works the exact same way as :meth:`aclose`, but is provided as a special case for the + benefit of synchronous callbacks. + + """ + if not self._closed: + self._closed = True + self._state.open_send_channels -= 1 + if self._state.open_send_channels == 0: + receive_events = list(self._state.waiting_receivers.keys()) + self._state.waiting_receivers.clear() + for event in receive_events: + event.set() + + async def aclose(self) -> None: + self.close() + + def statistics(self) -> MemoryObjectStreamStatistics: + """ + Return statistics about the current state of this stream. + + .. versionadded:: 3.0 + """ + return self._state.statistics() + + def __enter__(self) -> 'MemoryObjectSendStream[T_Item]': + return self + + def __exit__(self, exc_type: Optional[Type[BaseException]], + exc_val: Optional[BaseException], + exc_tb: Optional[TracebackType]) -> None: + self.close() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/stapled.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/stapled.py new file mode 100644 index 0000000..0d5e7fb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/stapled.py @@ -0,0 +1,124 @@ +from dataclasses import dataclass +from typing import Any, Callable, Generic, List, Mapping, Optional, Sequence, TypeVar + +from ..abc import ( + ByteReceiveStream, ByteSendStream, ByteStream, Listener, ObjectReceiveStream, ObjectSendStream, + ObjectStream, TaskGroup) + +T_Item = TypeVar('T_Item') +T_Stream = TypeVar('T_Stream') + + +@dataclass(eq=False) +class StapledByteStream(ByteStream): + """ + Combines two byte streams into a single, bidirectional byte stream. + + Extra attributes will be provided from both streams, with the receive stream providing the + values in case of a conflict. + + :param ByteSendStream send_stream: the sending byte stream + :param ByteReceiveStream receive_stream: the receiving byte stream + """ + + send_stream: ByteSendStream + receive_stream: ByteReceiveStream + + async def receive(self, max_bytes: int = 65536) -> bytes: + return await self.receive_stream.receive(max_bytes) + + async def send(self, item: bytes) -> None: + await self.send_stream.send(item) + + async def send_eof(self) -> None: + await self.send_stream.aclose() + + async def aclose(self) -> None: + await self.send_stream.aclose() + await self.receive_stream.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return {**self.send_stream.extra_attributes, **self.receive_stream.extra_attributes} + + +@dataclass(eq=False) +class StapledObjectStream(Generic[T_Item], ObjectStream[T_Item]): + """ + Combines two object streams into a single, bidirectional object stream. + + Extra attributes will be provided from both streams, with the receive stream providing the + values in case of a conflict. + + :param ObjectSendStream send_stream: the sending object stream + :param ObjectReceiveStream receive_stream: the receiving object stream + """ + + send_stream: ObjectSendStream[T_Item] + receive_stream: ObjectReceiveStream[T_Item] + + async def receive(self) -> T_Item: + return await self.receive_stream.receive() + + async def send(self, item: T_Item) -> None: + await self.send_stream.send(item) + + async def send_eof(self) -> None: + await self.send_stream.aclose() + + async def aclose(self) -> None: + await self.send_stream.aclose() + await self.receive_stream.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return {**self.send_stream.extra_attributes, **self.receive_stream.extra_attributes} + + +@dataclass(eq=False) +class MultiListener(Generic[T_Stream], Listener[T_Stream]): + """ + Combines multiple listeners into one, serving connections from all of them at once. + + Any MultiListeners in the given collection of listeners will have their listeners moved into + this one. + + Extra attributes are provided from each listener, with each successive listener overriding any + conflicting attributes from the previous one. + + :param listeners: listeners to serve + :type listeners: Sequence[Listener[T_Stream]] + """ + + listeners: Sequence[Listener[T_Stream]] + + def __post_init__(self) -> None: + listeners: List[Listener[T_Stream]] = [] + for listener in self.listeners: + if isinstance(listener, MultiListener): + listeners.extend(listener.listeners) + del listener.listeners[:] # type: ignore[attr-defined] + else: + listeners.append(listener) + + self.listeners = listeners + + async def serve(self, handler: Callable[[T_Stream], Any], + task_group: Optional[TaskGroup] = None) -> None: + from .. import create_task_group + + async with create_task_group() as tg: + for listener in self.listeners: + tg.start_soon(listener.serve, handler, task_group) + + async def aclose(self) -> None: + for listener in self.listeners: + await listener.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + attributes: dict = {} + for listener in self.listeners: + attributes.update(listener.extra_attributes) + + return attributes diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/text.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/text.py new file mode 100644 index 0000000..d352b5b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/text.py @@ -0,0 +1,130 @@ +import codecs +from dataclasses import InitVar, dataclass, field +from typing import Any, Callable, Mapping, Tuple + +from ..abc import ( + AnyByteReceiveStream, AnyByteSendStream, AnyByteStream, ObjectReceiveStream, ObjectSendStream, + ObjectStream) + + +@dataclass(eq=False) +class TextReceiveStream(ObjectReceiveStream[str]): + """ + Stream wrapper that decodes bytes to strings using the given encoding. + + Decoding is done using :class:`~codecs.IncrementalDecoder` which returns any completely + received unicode characters as soon as they come in. + + :param transport_stream: any bytes-based receive stream + :param encoding: character encoding to use for decoding bytes to strings (defaults to + ``utf-8``) + :param errors: handling scheme for decoding errors (defaults to ``strict``; see the + `codecs module documentation`_ for a comprehensive list of options) + + .. _codecs module documentation: https://docs.python.org/3/library/codecs.html#codec-objects + """ + + transport_stream: AnyByteReceiveStream + encoding: InitVar[str] = 'utf-8' + errors: InitVar[str] = 'strict' + _decoder: codecs.IncrementalDecoder = field(init=False) + + def __post_init__(self, encoding: str, errors: str) -> None: + decoder_class = codecs.getincrementaldecoder(encoding) + self._decoder = decoder_class(errors=errors) + + async def receive(self) -> str: + while True: + chunk = await self.transport_stream.receive() + decoded = self._decoder.decode(chunk) + if decoded: + return decoded + + async def aclose(self) -> None: + await self.transport_stream.aclose() + self._decoder.reset() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return self.transport_stream.extra_attributes + + +@dataclass(eq=False) +class TextSendStream(ObjectSendStream[str]): + """ + Sends strings to the wrapped stream as bytes using the given encoding. + + :param AnyByteSendStream transport_stream: any bytes-based send stream + :param str encoding: character encoding to use for encoding strings to bytes (defaults to + ``utf-8``) + :param str errors: handling scheme for encoding errors (defaults to ``strict``; see the + `codecs module documentation`_ for a comprehensive list of options) + + .. _codecs module documentation: https://docs.python.org/3/library/codecs.html#codec-objects + """ + + transport_stream: AnyByteSendStream + encoding: InitVar[str] = 'utf-8' + errors: str = 'strict' + _encoder: Callable[..., Tuple[bytes, int]] = field(init=False) + + def __post_init__(self, encoding: str) -> None: + self._encoder = codecs.getencoder(encoding) + + async def send(self, item: str) -> None: + encoded = self._encoder(item, self.errors)[0] + await self.transport_stream.send(encoded) + + async def aclose(self) -> None: + await self.transport_stream.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return self.transport_stream.extra_attributes + + +@dataclass(eq=False) +class TextStream(ObjectStream[str]): + """ + A bidirectional stream that decodes bytes to strings on receive and encodes strings to bytes on + send. + + Extra attributes will be provided from both streams, with the receive stream providing the + values in case of a conflict. + + :param AnyByteStream transport_stream: any bytes-based stream + :param str encoding: character encoding to use for encoding/decoding strings to/from bytes + (defaults to ``utf-8``) + :param str errors: handling scheme for encoding errors (defaults to ``strict``; see the + `codecs module documentation`_ for a comprehensive list of options) + + .. _codecs module documentation: https://docs.python.org/3/library/codecs.html#codec-objects + """ + + transport_stream: AnyByteStream + encoding: InitVar[str] = 'utf-8' + errors: InitVar[str] = 'strict' + _receive_stream: TextReceiveStream = field(init=False) + _send_stream: TextSendStream = field(init=False) + + def __post_init__(self, encoding: str, errors: str) -> None: + self._receive_stream = TextReceiveStream(self.transport_stream, encoding=encoding, + errors=errors) + self._send_stream = TextSendStream(self.transport_stream, encoding=encoding, errors=errors) + + async def receive(self) -> str: + return await self._receive_stream.receive() + + async def send(self, item: str) -> None: + await self._send_stream.send(item) + + async def send_eof(self) -> None: + await self.transport_stream.send_eof() + + async def aclose(self) -> None: + await self._send_stream.aclose() + await self._receive_stream.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return {**self._send_stream.extra_attributes, **self._receive_stream.extra_attributes} diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/streams/tls.py b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/tls.py new file mode 100644 index 0000000..1d84c05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/streams/tls.py @@ -0,0 +1,262 @@ +import logging +import re +import ssl +from dataclasses import dataclass +from functools import wraps +from typing import Any, Callable, Dict, List, Mapping, Optional, Tuple, TypeVar, Union + +from .. import BrokenResourceError, EndOfStream, aclose_forcefully, get_cancelled_exc_class +from .._core._typedattr import TypedAttributeSet, typed_attribute +from ..abc import AnyByteStream, ByteStream, Listener, TaskGroup + +T_Retval = TypeVar('T_Retval') + + +class TLSAttribute(TypedAttributeSet): + """Contains Transport Layer Security related attributes.""" + #: the selected ALPN protocol + alpn_protocol: Optional[str] = typed_attribute() + #: the channel binding for type ``tls-unique`` + channel_binding_tls_unique: bytes = typed_attribute() + #: the selected cipher + cipher: Tuple[str, str, int] = typed_attribute() + #: the peer certificate in dictionary form (see :meth:`ssl.SSLSocket.getpeercert` for more + #: information) + peer_certificate: Optional[Dict[str, Union[str, tuple]]] = typed_attribute() + #: the peer certificate in binary form + peer_certificate_binary: Optional[bytes] = typed_attribute() + #: ``True`` if this is the server side of the connection + server_side: bool = typed_attribute() + #: ciphers shared between both ends of the TLS connection + shared_ciphers: List[Tuple[str, str, int]] = typed_attribute() + #: the :class:`~ssl.SSLObject` used for encryption + ssl_object: ssl.SSLObject = typed_attribute() + #: ``True`` if this stream does (and expects) a closing TLS handshake when the stream is being + #: closed + standard_compatible: bool = typed_attribute() + #: the TLS protocol version (e.g. ``TLSv1.2``) + tls_version: str = typed_attribute() + + +@dataclass(eq=False) +class TLSStream(ByteStream): + """ + A stream wrapper that encrypts all sent data and decrypts received data. + + This class has no public initializer; use :meth:`wrap` instead. + All extra attributes from :class:`~TLSAttribute` are supported. + + :var AnyByteStream transport_stream: the wrapped stream + + """ + transport_stream: AnyByteStream + standard_compatible: bool + _ssl_object: ssl.SSLObject + _read_bio: ssl.MemoryBIO + _write_bio: ssl.MemoryBIO + + @classmethod + async def wrap(cls, transport_stream: AnyByteStream, *, server_side: Optional[bool] = None, + hostname: Optional[str] = None, ssl_context: Optional[ssl.SSLContext] = None, + standard_compatible: bool = True) -> 'TLSStream': + """ + Wrap an existing stream with Transport Layer Security. + + This performs a TLS handshake with the peer. + + :param transport_stream: a bytes-transporting stream to wrap + :param server_side: ``True`` if this is the server side of the connection, ``False`` if + this is the client side (if omitted, will be set to ``False`` if ``hostname`` has been + provided, ``False`` otherwise). Used only to create a default context when an explicit + context has not been provided. + :param hostname: host name of the peer (if host name checking is desired) + :param ssl_context: the SSLContext object to use (if not provided, a secure default will be + created) + :param standard_compatible: if ``False``, skip the closing handshake when closing the + connection, and don't raise an exception if the peer does the same + :raises ~ssl.SSLError: if the TLS handshake fails + + """ + if server_side is None: + server_side = not hostname + + if not ssl_context: + purpose = ssl.Purpose.CLIENT_AUTH if server_side else ssl.Purpose.SERVER_AUTH + ssl_context = ssl.create_default_context(purpose) + + bio_in = ssl.MemoryBIO() + bio_out = ssl.MemoryBIO() + ssl_object = ssl_context.wrap_bio(bio_in, bio_out, server_side=server_side, + server_hostname=hostname) + wrapper = cls(transport_stream=transport_stream, + standard_compatible=standard_compatible, _ssl_object=ssl_object, + _read_bio=bio_in, _write_bio=bio_out) + await wrapper._call_sslobject_method(ssl_object.do_handshake) + return wrapper + + async def _call_sslobject_method( + self, func: Callable[..., T_Retval], *args: object + ) -> T_Retval: + while True: + try: + result = func(*args) + except ssl.SSLWantReadError: + try: + # Flush any pending writes first + if self._write_bio.pending: + await self.transport_stream.send(self._write_bio.read()) + + data = await self.transport_stream.receive() + except EndOfStream: + self._read_bio.write_eof() + except OSError as exc: + self._read_bio.write_eof() + self._write_bio.write_eof() + raise BrokenResourceError from exc + else: + self._read_bio.write(data) + except ssl.SSLWantWriteError: + await self.transport_stream.send(self._write_bio.read()) + except (ssl.SSLEOFError, ssl.SSLSyscallError) as exc: + raise BrokenResourceError from exc + else: + # Flush any pending writes first + if self._write_bio.pending: + await self.transport_stream.send(self._write_bio.read()) + + return result + + async def unwrap(self) -> Tuple[AnyByteStream, bytes]: + """ + Does the TLS closing handshake. + + :return: a tuple of (wrapped byte stream, bytes left in the read buffer) + + """ + await self._call_sslobject_method(self._ssl_object.unwrap) + self._read_bio.write_eof() + self._write_bio.write_eof() + return self.transport_stream, self._read_bio.read() + + async def aclose(self) -> None: + if self.standard_compatible: + try: + await self.unwrap() + except BaseException: + await aclose_forcefully(self.transport_stream) + raise + + await self.transport_stream.aclose() + + async def receive(self, max_bytes: int = 65536) -> bytes: + data = await self._call_sslobject_method(self._ssl_object.read, max_bytes) + if not data: + raise EndOfStream + + return data + + async def send(self, item: bytes) -> None: + await self._call_sslobject_method(self._ssl_object.write, item) + + async def send_eof(self) -> None: + tls_version = self.extra(TLSAttribute.tls_version) + match = re.match(r'TLSv(\d+)(?:\.(\d+))?', tls_version) + if match: + major, minor = int(match.group(1)), int(match.group(2) or 0) + if (major, minor) < (1, 3): + raise NotImplementedError(f'send_eof() requires at least TLSv1.3; current ' + f'session uses {tls_version}') + + raise NotImplementedError('send_eof() has not yet been implemented for TLS streams') + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return { + **self.transport_stream.extra_attributes, + TLSAttribute.alpn_protocol: self._ssl_object.selected_alpn_protocol, + TLSAttribute.channel_binding_tls_unique: self._ssl_object.get_channel_binding, + TLSAttribute.cipher: self._ssl_object.cipher, + TLSAttribute.peer_certificate: lambda: self._ssl_object.getpeercert(False), + TLSAttribute.peer_certificate_binary: lambda: self._ssl_object.getpeercert(True), + TLSAttribute.server_side: lambda: self._ssl_object.server_side, + TLSAttribute.shared_ciphers: lambda: self._ssl_object.shared_ciphers(), + TLSAttribute.standard_compatible: lambda: self.standard_compatible, + TLSAttribute.ssl_object: lambda: self._ssl_object, + TLSAttribute.tls_version: self._ssl_object.version + } + + +@dataclass(eq=False) +class TLSListener(Listener[TLSStream]): + """ + A convenience listener that wraps another listener and auto-negotiates a TLS session on every + accepted connection. + + If the TLS handshake times out or raises an exception, :meth:`handle_handshake_error` is + called to do whatever post-mortem processing is deemed necessary. + + Supports only the :attr:`~TLSAttribute.standard_compatible` extra attribute. + + :param Listener listener: the listener to wrap + :param ssl_context: the SSL context object + :param standard_compatible: a flag passed through to :meth:`TLSStream.wrap` + :param handshake_timeout: time limit for the TLS handshake + (passed to :func:`~anyio.fail_after`) + """ + + listener: Listener + ssl_context: ssl.SSLContext + standard_compatible: bool = True + handshake_timeout: float = 30 + + @staticmethod + async def handle_handshake_error(exc: BaseException, stream: AnyByteStream) -> None: + f""" + Handle an exception raised during the TLS handshake. + + This method does 3 things: + + #. Forcefully closes the original stream + #. Logs the exception (unless it was a cancellation exception) using the ``{__name__}`` + logger + #. Reraises the exception if it was a base exception or a cancellation exception + + :param exc: the exception + :param stream: the original stream + + """ + await aclose_forcefully(stream) + + # Log all except cancellation exceptions + if not isinstance(exc, get_cancelled_exc_class()): + logging.getLogger(__name__).exception('Error during TLS handshake') + + # Only reraise base exceptions and cancellation exceptions + if not isinstance(exc, Exception) or isinstance(exc, get_cancelled_exc_class()): + raise + + async def serve(self, handler: Callable[[TLSStream], Any], + task_group: Optional[TaskGroup] = None) -> None: + @wraps(handler) + async def handler_wrapper(stream: AnyByteStream) -> None: + from .. import fail_after + try: + with fail_after(self.handshake_timeout): + wrapped_stream = await TLSStream.wrap( + stream, ssl_context=self.ssl_context, + standard_compatible=self.standard_compatible) + except BaseException as exc: + await self.handle_handshake_error(exc, stream) + else: + await handler(wrapped_stream) + + await self.listener.serve(handler_wrapper, task_group) + + async def aclose(self) -> None: + await self.listener.aclose() + + @property + def extra_attributes(self) -> Mapping[Any, Callable[[], Any]]: + return { + TLSAttribute.standard_compatible: lambda: self.standard_compatible, + } diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/to_process.py b/backend/mb-env/lib/python3.9/site-packages/anyio/to_process.py new file mode 100644 index 0000000..5675e9e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/to_process.py @@ -0,0 +1,230 @@ +import os +import pickle +import subprocess +import sys +from collections import deque +from importlib.abc import Loader +from importlib.util import module_from_spec, spec_from_file_location +from typing import Callable, Deque, List, Optional, Set, Tuple, TypeVar, cast + +from ._core._eventloop import current_time, get_asynclib, get_cancelled_exc_class +from ._core._exceptions import BrokenWorkerProcess +from ._core._subprocesses import open_process +from ._core._synchronization import CapacityLimiter +from ._core._tasks import CancelScope, fail_after +from .abc import ByteReceiveStream, ByteSendStream, Process +from .lowlevel import RunVar, checkpoint_if_cancelled +from .streams.buffered import BufferedByteReceiveStream + +WORKER_MAX_IDLE_TIME = 300 # 5 minutes + +T_Retval = TypeVar('T_Retval') +_process_pool_workers: RunVar[Set[Process]] = RunVar('_process_pool_workers') +_process_pool_idle_workers: RunVar[Deque[Tuple[Process, float]]] = RunVar( + '_process_pool_idle_workers') +_default_process_limiter: RunVar[CapacityLimiter] = RunVar('_default_process_limiter') + + +async def run_sync( + func: Callable[..., T_Retval], *args: object, cancellable: bool = False, + limiter: Optional[CapacityLimiter] = None) -> T_Retval: + """ + Call the given function with the given arguments in a worker process. + + If the ``cancellable`` option is enabled and the task waiting for its completion is cancelled, + the worker process running it will be abruptly terminated using SIGKILL (or + ``terminateProcess()`` on Windows). + + :param func: a callable + :param args: positional arguments for the callable + :param cancellable: ``True`` to allow cancellation of the operation while it's running + :param limiter: capacity limiter to use to limit the total amount of processes running + (if omitted, the default limiter is used) + :return: an awaitable that yields the return value of the function. + + """ + async def send_raw_command(pickled_cmd: bytes) -> object: + try: + await stdin.send(pickled_cmd) + response = await buffered.receive_until(b'\n', 50) + status, length = response.split(b' ') + if status not in (b'RETURN', b'EXCEPTION'): + raise RuntimeError(f'Worker process returned unexpected response: {response!r}') + + pickled_response = await buffered.receive_exactly(int(length)) + except BaseException as exc: + workers.discard(process) + try: + process.kill() + with CancelScope(shield=True): + await process.aclose() + except ProcessLookupError: + pass + + if isinstance(exc, get_cancelled_exc_class()): + raise + else: + raise BrokenWorkerProcess from exc + + retval = pickle.loads(pickled_response) + if status == b'EXCEPTION': + assert isinstance(retval, BaseException) + raise retval + else: + return retval + + # First pickle the request before trying to reserve a worker process + await checkpoint_if_cancelled() + request = pickle.dumps(('run', func, args), protocol=pickle.HIGHEST_PROTOCOL) + + # If this is the first run in this event loop thread, set up the necessary variables + try: + workers = _process_pool_workers.get() + idle_workers = _process_pool_idle_workers.get() + except LookupError: + workers = set() + idle_workers = deque() + _process_pool_workers.set(workers) + _process_pool_idle_workers.set(idle_workers) + get_asynclib().setup_process_pool_exit_at_shutdown(workers) + + async with (limiter or current_default_process_limiter()): + # Pop processes from the pool (starting from the most recently used) until we find one that + # hasn't exited yet + process: Process + while idle_workers: + process, idle_since = idle_workers.pop() + if process.returncode is None: + stdin = cast(ByteSendStream, process.stdin) + buffered = BufferedByteReceiveStream(cast(ByteReceiveStream, process.stdout)) + + # Prune any other workers that have been idle for WORKER_MAX_IDLE_TIME seconds or + # longer + now = current_time() + killed_processes: List[Process] = [] + while idle_workers: + if now - idle_workers[0][1] < WORKER_MAX_IDLE_TIME: + break + + process, idle_since = idle_workers.popleft() + process.kill() + workers.remove(process) + killed_processes.append(process) + + with CancelScope(shield=True): + for process in killed_processes: + await process.aclose() + + break + + workers.remove(process) + else: + command = [sys.executable, '-u', '-m', __name__] + process = await open_process(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE) + try: + stdin = cast(ByteSendStream, process.stdin) + buffered = BufferedByteReceiveStream(cast(ByteReceiveStream, process.stdout)) + with fail_after(20): + message = await buffered.receive(6) + + if message != b'READY\n': + raise BrokenWorkerProcess( + f'Worker process returned unexpected response: {message!r}') + + main_module_path = getattr(sys.modules['__main__'], '__file__', None) + pickled = pickle.dumps(('init', sys.path, main_module_path), + protocol=pickle.HIGHEST_PROTOCOL) + await send_raw_command(pickled) + except (BrokenWorkerProcess, get_cancelled_exc_class()): + raise + except BaseException as exc: + process.kill() + raise BrokenWorkerProcess('Error during worker process initialization') from exc + + workers.add(process) + + with CancelScope(shield=not cancellable): + try: + return cast(T_Retval, await send_raw_command(request)) + finally: + if process in workers: + idle_workers.append((process, current_time())) + + +def current_default_process_limiter() -> CapacityLimiter: + """ + Return the capacity limiter that is used by default to limit the number of worker processes. + + :return: a capacity limiter object + + """ + try: + return _default_process_limiter.get() + except LookupError: + limiter = CapacityLimiter(os.cpu_count() or 2) + _default_process_limiter.set(limiter) + return limiter + + +def process_worker() -> None: + # Redirect standard streams to os.devnull so that user code won't interfere with the + # parent-worker communication + stdin = sys.stdin + stdout = sys.stdout + sys.stdin = open(os.devnull) + sys.stdout = open(os.devnull, 'w') + + stdout.buffer.write(b'READY\n') + while True: + retval = exception = None + try: + command, *args = pickle.load(stdin.buffer) + except EOFError: + return + except BaseException as exc: + exception = exc + else: + if command == 'run': + func, args = args + try: + retval = func(*args) + except BaseException as exc: + exception = exc + elif command == 'init': + main_module_path: Optional[str] + sys.path, main_module_path = args + del sys.modules['__main__'] + if main_module_path: + # Load the parent's main module but as __mp_main__ instead of __main__ + # (like multiprocessing does) to avoid infinite recursion + try: + spec = spec_from_file_location('__mp_main__', main_module_path) + if spec and spec.loader: + main = module_from_spec(spec) + cast(Loader, spec.loader).exec_module(main) + sys.modules['__main__'] = main + except BaseException as exc: + exception = exc + + try: + if exception is not None: + status = b'EXCEPTION' + pickled = pickle.dumps(exception, pickle.HIGHEST_PROTOCOL) + else: + status = b'RETURN' + pickled = pickle.dumps(retval, pickle.HIGHEST_PROTOCOL) + except BaseException as exc: + exception = exc + status = b'EXCEPTION' + pickled = pickle.dumps(exc, pickle.HIGHEST_PROTOCOL) + + stdout.buffer.write(b'%s %d\n' % (status, len(pickled))) + stdout.buffer.write(pickled) + + # Respect SIGTERM + if isinstance(exception, SystemExit): + raise exception + + +if __name__ == '__main__': + process_worker() diff --git a/backend/mb-env/lib/python3.9/site-packages/anyio/to_thread.py b/backend/mb-env/lib/python3.9/site-packages/anyio/to_thread.py new file mode 100644 index 0000000..5fc9589 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/anyio/to_thread.py @@ -0,0 +1,54 @@ +from typing import Callable, Optional, TypeVar +from warnings import warn + +from ._core._eventloop import get_asynclib +from .abc import CapacityLimiter + +T_Retval = TypeVar('T_Retval') + + +async def run_sync( + func: Callable[..., T_Retval], *args: object, cancellable: bool = False, + limiter: Optional[CapacityLimiter] = None) -> T_Retval: + """ + Call the given function with the given arguments in a worker thread. + + If the ``cancellable`` option is enabled and the task waiting for its completion is cancelled, + the thread will still run its course but its return value (or any raised exception) will be + ignored. + + :param func: a callable + :param args: positional arguments for the callable + :param cancellable: ``True`` to allow cancellation of the operation + :param limiter: capacity limiter to use to limit the total amount of threads running + (if omitted, the default limiter is used) + :return: an awaitable that yields the return value of the function. + + """ + return await get_asynclib().run_sync_in_worker_thread(func, *args, cancellable=cancellable, + limiter=limiter) + + +async def run_sync_in_worker_thread( + func: Callable[..., T_Retval], *args: object, cancellable: bool = False, + limiter: Optional[CapacityLimiter] = None) -> T_Retval: + warn('run_sync_in_worker_thread() has been deprecated, use anyio.to_thread.run_sync() instead', + DeprecationWarning) + return await run_sync(func, *args, cancellable=cancellable, limiter=limiter) + + +def current_default_thread_limiter() -> CapacityLimiter: + """ + Return the capacity limiter that is used by default to limit the number of concurrent threads. + + :return: a capacity limiter object + + """ + return get_asynclib().current_default_thread_limiter() + + +def current_default_worker_thread_limiter() -> CapacityLimiter: + warn('current_default_worker_thread_limiter() has been deprecated, ' + 'use anyio.to_thread.current_default_thread_limiter() instead', + DeprecationWarning) + return current_default_thread_limiter() diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/__init__.py b/backend/mb-env/lib/python3.9/site-packages/argon2/__init__.py new file mode 100644 index 0000000..5fe7aab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/__init__.py @@ -0,0 +1,49 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, division, print_function + +from . import exceptions, low_level +from ._legacy import hash_password, hash_password_raw, verify_password +from ._password_hasher import ( + DEFAULT_HASH_LENGTH, + DEFAULT_MEMORY_COST, + DEFAULT_PARALLELISM, + DEFAULT_RANDOM_SALT_LENGTH, + DEFAULT_TIME_COST, + PasswordHasher, +) +from ._utils import Parameters, extract_parameters +from .low_level import Type + + +__version__ = "20.1.0" + +__title__ = "argon2-cffi" +__description__ = "The secure Argon2 password hashing algorithm." +__url__ = "https://argon2-cffi.readthedocs.io/" +__uri__ = __url__ +__doc__ = __description__ + " <" + __url__ + ">" + +__author__ = "Hynek Schlawack" +__email__ = "hs@ox.cx" + +__license__ = "MIT" +__copyright__ = "Copyright (c) 2015 " + __author__ + + +__all__ = [ + "DEFAULT_HASH_LENGTH", + "DEFAULT_MEMORY_COST", + "DEFAULT_PARALLELISM", + "DEFAULT_RANDOM_SALT_LENGTH", + "DEFAULT_TIME_COST", + "Parameters", + "PasswordHasher", + "Type", + "exceptions", + "extract_parameters", + "hash_password", + "hash_password_raw", + "low_level", + "verify_password", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/__main__.py b/backend/mb-env/lib/python3.9/site-packages/argon2/__main__.py new file mode 100644 index 0000000..c7eea34 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/__main__.py @@ -0,0 +1,89 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, division, print_function + +import argparse +import sys +import timeit + +import six + +from . import ( + DEFAULT_HASH_LENGTH, + DEFAULT_MEMORY_COST, + DEFAULT_PARALLELISM, + DEFAULT_TIME_COST, + PasswordHasher, +) + + +def main(argv): + parser = argparse.ArgumentParser(description="Benchmark Argon2.") + parser.add_argument( + "-n", type=int, default=100, help="Number of iterations to measure." + ) + parser.add_argument( + "-t", type=int, help="`time_cost`", default=DEFAULT_TIME_COST + ) + parser.add_argument( + "-m", type=int, help="`memory_cost`", default=DEFAULT_MEMORY_COST + ) + parser.add_argument( + "-p", type=int, help="`parallellism`", default=DEFAULT_PARALLELISM + ) + parser.add_argument( + "-l", type=int, help="`hash_length`", default=DEFAULT_HASH_LENGTH + ) + + args = parser.parse_args(argv[1:]) + + password = b"secret" + ph = PasswordHasher( + time_cost=args.t, + memory_cost=args.m, + parallelism=args.p, + hash_len=args.l, + ) + hash = ph.hash(password) + + params = { + "time_cost": (args.t, "iterations"), + "memory_cost": (args.m, "KiB"), + "parallelism": (args.p, "threads"), + "hash_len": (args.l, "bytes"), + } + + print("Running Argon2id %d times with:" % (args.n,)) + + for k, v in sorted(six.iteritems(params)): + print("%s: %d %s" % (k, v[0], v[1])) + + print("\nMeasuring...") + duration = timeit.timeit( + "ph.verify({hash!r}, {password!r})".format( + hash=hash, password=password + ), + setup="""\ +from argon2 import PasswordHasher, Type + +ph = PasswordHasher( + time_cost={time_cost!r}, + memory_cost={memory_cost!r}, + parallelism={parallelism!r}, + hash_len={hash_len!r}, +) +gc.enable()""".format( + time_cost=args.t, + memory_cost=args.m, + parallelism=args.p, + hash_len=args.l, + ), + number=args.n, + ) + print( + "\n{0:.3}ms per password verification".format(duration / args.n * 1000) + ) + + +if __name__ == "__main__": # pragma: nocover + main(sys.argv) diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi.abi3.so b/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi.abi3.so new file mode 100755 index 0000000..8a58a58 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi.abi3.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi_build.py b/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi_build.py new file mode 100644 index 0000000..f267b65 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/_ffi_build.py @@ -0,0 +1,191 @@ +from __future__ import absolute_import, division, print_function + +import os +import sys + +from cffi import FFI + + +include_dirs = [os.path.join("extras", "libargon2", "include")] +use_system_argon2 = os.environ.get("ARGON2_CFFI_USE_SYSTEM", "0") == "1" +if use_system_argon2: + include_dirs = [] + +# Add vendored integer types headers. +if "win32" in str(sys.platform).lower(): + int_base = os.path.join("extras", "msinttypes") + inttypes = os.path.join(int_base, "inttypes") + stdint = os.path.join(int_base, "stdint") + vi = sys.version_info[0:2] + if vi in [(2, 6), (2, 7)]: + # VS 2008 needs both. + include_dirs += [inttypes, stdint] + elif vi in [(3, 3), (3, 4)]: + # VS 2010 needs only inttypes.h + include_dirs += [inttypes] + + +ffi = FFI() +ffi.set_source( + "_ffi", + "#include ", + include_dirs=include_dirs, + libraries=["argon2"], +) + +ffi.cdef( + """\ +typedef enum Argon2_type { + Argon2_d = ..., + Argon2_i = ..., + Argon2_id = ..., +} argon2_type; +typedef enum Argon2_version { + ARGON2_VERSION_10 = ..., + ARGON2_VERSION_13 = ..., + ARGON2_VERSION_NUMBER = ... +} argon2_version; + +int argon2_hash(const uint32_t t_cost, const uint32_t m_cost, + const uint32_t parallelism, const void *pwd, + const size_t pwdlen, const void *salt, + const size_t saltlen, void *hash, + const size_t hashlen, char *encoded, + const size_t encodedlen, argon2_type type, + const uint32_t version); + +int argon2_verify(const char *encoded, const void *pwd, + const size_t pwdlen, argon2_type type); + +const char *argon2_error_message(int error_code); + + +typedef int (*allocate_fptr)(uint8_t **memory, size_t bytes_to_allocate); +typedef void (*deallocate_fptr)(uint8_t *memory, size_t bytes_to_allocate); + +typedef struct Argon2_Context { + uint8_t *out; /* output array */ + uint32_t outlen; /* digest length */ + + uint8_t *pwd; /* password array */ + uint32_t pwdlen; /* password length */ + + uint8_t *salt; /* salt array */ + uint32_t saltlen; /* salt length */ + + uint8_t *secret; /* key array */ + uint32_t secretlen; /* key length */ + + uint8_t *ad; /* associated data array */ + uint32_t adlen; /* associated data length */ + + uint32_t t_cost; /* number of passes */ + uint32_t m_cost; /* amount of memory requested (KB) */ + uint32_t lanes; /* number of lanes */ + uint32_t threads; /* maximum number of threads */ + + uint32_t version; /* version number */ + + allocate_fptr allocate_cbk; /* pointer to memory allocator */ + deallocate_fptr free_cbk; /* pointer to memory deallocator */ + + uint32_t flags; /* array of bool options */ +} argon2_context; + +int argon2_ctx(argon2_context *context, argon2_type type); + +/* Error codes */ +typedef enum Argon2_ErrorCodes { + ARGON2_OK = ..., + + ARGON2_OUTPUT_PTR_NULL = ..., + + ARGON2_OUTPUT_TOO_SHORT = ..., + ARGON2_OUTPUT_TOO_LONG = ..., + + ARGON2_PWD_TOO_SHORT = ..., + ARGON2_PWD_TOO_LONG = ..., + + ARGON2_SALT_TOO_SHORT = ..., + ARGON2_SALT_TOO_LONG = ..., + + ARGON2_AD_TOO_SHORT = ..., + ARGON2_AD_TOO_LONG = ..., + + ARGON2_SECRET_TOO_SHORT = ..., + ARGON2_SECRET_TOO_LONG = ..., + + ARGON2_TIME_TOO_SMALL = ..., + ARGON2_TIME_TOO_LARGE = ..., + + ARGON2_MEMORY_TOO_LITTLE = ..., + ARGON2_MEMORY_TOO_MUCH = ..., + + ARGON2_LANES_TOO_FEW = ..., + ARGON2_LANES_TOO_MANY = ..., + + ARGON2_PWD_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */ + ARGON2_SALT_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */ + ARGON2_SECRET_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */ + ARGON2_AD_PTR_MISMATCH = ..., /* NULL ptr with non-zero length */ + + ARGON2_MEMORY_ALLOCATION_ERROR = ..., + + ARGON2_FREE_MEMORY_CBK_NULL = ..., + ARGON2_ALLOCATE_MEMORY_CBK_NULL = ..., + + ARGON2_INCORRECT_PARAMETER = ..., + ARGON2_INCORRECT_TYPE = ..., + + ARGON2_OUT_PTR_MISMATCH = ..., + + ARGON2_THREADS_TOO_FEW = ..., + ARGON2_THREADS_TOO_MANY = ..., + + ARGON2_MISSING_ARGS = ..., + + ARGON2_ENCODING_FAIL = ..., + + ARGON2_DECODING_FAIL = ..., + + ARGON2_THREAD_FAIL = ..., + + ARGON2_DECODING_LENGTH_FAIL= ..., + + ARGON2_VERIFY_MISMATCH = ..., +} argon2_error_codes; + +#define ARGON2_FLAG_CLEAR_PASSWORD ... +#define ARGON2_FLAG_CLEAR_SECRET ... +#define ARGON2_DEFAULT_FLAGS ... + +#define ARGON2_MIN_LANES ... +#define ARGON2_MAX_LANES ... +#define ARGON2_MIN_THREADS ... +#define ARGON2_MAX_THREADS ... +#define ARGON2_SYNC_POINTS ... +#define ARGON2_MIN_OUTLEN ... +#define ARGON2_MAX_OUTLEN ... +#define ARGON2_MIN_MEMORY ... +#define ARGON2_MAX_MEMORY_BITS ... +#define ARGON2_MAX_MEMORY ... +#define ARGON2_MIN_TIME ... +#define ARGON2_MAX_TIME ... +#define ARGON2_MIN_PWD_LENGTH ... +#define ARGON2_MAX_PWD_LENGTH ... +#define ARGON2_MIN_AD_LENGTH ... +#define ARGON2_MAX_AD_LENGTH ... +#define ARGON2_MIN_SALT_LENGTH ... +#define ARGON2_MAX_SALT_LENGTH ... +#define ARGON2_MIN_SECRET ... +#define ARGON2_MAX_SECRET ... + +uint32_t argon2_encodedlen(uint32_t t_cost, uint32_t m_cost, + uint32_t parallelism, uint32_t saltlen, + uint32_t hashlen, argon2_type type); + +""" +) + +if __name__ == "__main__": + ffi.compile() diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/_legacy.py b/backend/mb-env/lib/python3.9/site-packages/argon2/_legacy.py new file mode 100644 index 0000000..ddd930e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/_legacy.py @@ -0,0 +1,70 @@ +""" +Legacy mid-level functions. +""" + +from __future__ import absolute_import, division, print_function + +import os + +from ._password_hasher import ( + DEFAULT_HASH_LENGTH, + DEFAULT_MEMORY_COST, + DEFAULT_PARALLELISM, + DEFAULT_RANDOM_SALT_LENGTH, + DEFAULT_TIME_COST, +) +from .low_level import Type, hash_secret, hash_secret_raw, verify_secret + + +def hash_password( + password, + salt=None, + time_cost=DEFAULT_TIME_COST, + memory_cost=DEFAULT_MEMORY_COST, + parallelism=DEFAULT_PARALLELISM, + hash_len=DEFAULT_HASH_LENGTH, + type=Type.I, +): + """ + Legacy alias for :func:`hash_secret` with default parameters. + + .. deprecated:: 16.0.0 + Use :class:`argon2.PasswordHasher` for passwords. + """ + if salt is None: + salt = os.urandom(DEFAULT_RANDOM_SALT_LENGTH) + return hash_secret( + password, salt, time_cost, memory_cost, parallelism, hash_len, type + ) + + +def hash_password_raw( + password, + salt=None, + time_cost=DEFAULT_TIME_COST, + memory_cost=DEFAULT_MEMORY_COST, + parallelism=DEFAULT_PARALLELISM, + hash_len=DEFAULT_HASH_LENGTH, + type=Type.I, +): + """ + Legacy alias for :func:`hash_secret_raw` with default parameters. + + .. deprecated:: 16.0.0 + Use :class:`argon2.PasswordHasher` for passwords. + """ + if salt is None: + salt = os.urandom(DEFAULT_RANDOM_SALT_LENGTH) + return hash_secret_raw( + password, salt, time_cost, memory_cost, parallelism, hash_len, type + ) + + +def verify_password(hash, password, type=Type.I): + """ + Legacy alias for :func:`verify_secret` with default parameters. + + .. deprecated:: 16.0.0 + Use :class:`argon2.PasswordHasher` for passwords. + """ + return verify_secret(hash, password, type) diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/_password_hasher.py b/backend/mb-env/lib/python3.9/site-packages/argon2/_password_hasher.py new file mode 100644 index 0000000..74288c0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/_password_hasher.py @@ -0,0 +1,212 @@ +from __future__ import absolute_import, division, print_function + +import os + +from ._utils import Parameters, _check_types, extract_parameters +from .exceptions import InvalidHash +from .low_level import Type, hash_secret, verify_secret + + +DEFAULT_RANDOM_SALT_LENGTH = 16 +DEFAULT_HASH_LENGTH = 16 +DEFAULT_TIME_COST = 2 +DEFAULT_MEMORY_COST = 102400 +DEFAULT_PARALLELISM = 8 + + +def _ensure_bytes(s, encoding): + """ + Ensure *s* is a bytes string. Encode using *encoding* if it isn't. + """ + if isinstance(s, bytes): + return s + return s.encode(encoding) + + +class PasswordHasher(object): + r""" + High level class to hash passwords with sensible defaults. + + Uses Argon2\ **id** by default and always uses a random salt_ for hashing. + But it can verify any type of Argon2 as long as the hash is correctly + encoded. + + The reason for this being a class is both for convenience to carry + parameters and to verify the parameters only *once*. Any unnecessary + slowdown when hashing is a tangible advantage for a brute force attacker. + + :param int time_cost: Defines the amount of computation realized and + therefore the execution time, given in number of iterations. + :param int memory_cost: Defines the memory usage, given in kibibytes_. + :param int parallelism: Defines the number of parallel threads (*changes* + the resulting hash value). + :param int hash_len: Length of the hash in bytes. + :param int salt_len: Length of random salt to be generated for each + password. + :param str encoding: The Argon2 C library expects bytes. So if + :meth:`hash` or :meth:`verify` are passed an unicode string, it will be + encoded using this encoding. + :param Type type: Argon2 type to use. Only change for interoperability + with legacy systems. + + .. versionadded:: 16.0.0 + .. versionchanged:: 18.2.0 + Switch from Argon2i to Argon2id based on the recommendation by the + current RFC_ draft. + .. versionchanged:: 18.2.0 + Changed default *memory_cost* to 100 MiB and default *parallelism* to 8. + .. versionchanged:: 18.2.0 ``verify`` now will determine the type of hash. + .. versionchanged:: 18.3.0 The Argon2 type is configurable now. + + .. _salt: https://en.wikipedia.org/wiki/Salt_(cryptography) + .. _kibibytes: https://en.wikipedia.org/wiki/Binary_prefix#kibi + .. _RFC: https://tools.ietf.org/html/draft-irtf-cfrg-argon2-04#section-4 + """ + __slots__ = ["_parameters", "encoding"] + + def __init__( + self, + time_cost=DEFAULT_TIME_COST, + memory_cost=DEFAULT_MEMORY_COST, + parallelism=DEFAULT_PARALLELISM, + hash_len=DEFAULT_HASH_LENGTH, + salt_len=DEFAULT_RANDOM_SALT_LENGTH, + encoding="utf-8", + type=Type.ID, + ): + e = _check_types( + time_cost=(time_cost, int), + memory_cost=(memory_cost, int), + parallelism=(parallelism, int), + hash_len=(hash_len, int), + salt_len=(salt_len, int), + encoding=(encoding, str), + type=(type, Type), + ) + if e: + raise TypeError(e) + + # Cache a Parameters object for check_needs_rehash. + self._parameters = Parameters( + type=type, + version=19, + salt_len=salt_len, + hash_len=hash_len, + time_cost=time_cost, + memory_cost=memory_cost, + parallelism=parallelism, + ) + self.encoding = encoding + + @property + def time_cost(self): + return self._parameters.time_cost + + @property + def memory_cost(self): + return self._parameters.memory_cost + + @property + def parallelism(self): + return self._parameters.parallelism + + @property + def hash_len(self): + return self._parameters.hash_len + + @property + def salt_len(self): + return self._parameters.salt_len + + @property + def type(self): + return self._parameters.type + + def hash(self, password): + """ + Hash *password* and return an encoded hash. + + :param password: Password to hash. + :type password: ``bytes`` or ``unicode`` + + :raises argon2.exceptions.HashingError: If hashing fails. + + :rtype: unicode + """ + return hash_secret( + secret=_ensure_bytes(password, self.encoding), + salt=os.urandom(self.salt_len), + time_cost=self.time_cost, + memory_cost=self.memory_cost, + parallelism=self.parallelism, + hash_len=self.hash_len, + type=self.type, + ).decode("ascii") + + _header_to_type = { + b"$argon2i$": Type.I, + b"$argon2d$": Type.D, + b"$argon2id": Type.ID, + } + + def verify(self, hash, password): + """ + Verify that *password* matches *hash*. + + .. warning:: + + It is assumed that the caller is in full control of the hash. No + other parsing than the determination of the hash type is done by + ``argon2-cffi``. + + :param hash: An encoded hash as returned from + :meth:`PasswordHasher.hash`. + :type hash: ``bytes`` or ``unicode`` + + :param password: The password to verify. + :type password: ``bytes`` or ``unicode`` + + :raises argon2.exceptions.VerifyMismatchError: If verification fails + because *hash* is not valid for *password*. + :raises argon2.exceptions.VerificationError: If verification fails for + other reasons. + :raises argon2.exceptions.InvalidHash: If *hash* is so clearly + invalid, that it couldn't be passed to Argon2. + + :return: ``True`` on success, raise + :exc:`~argon2.exceptions.VerificationError` otherwise. + :rtype: bool + + .. versionchanged:: 16.1.0 + Raise :exc:`~argon2.exceptions.VerifyMismatchError` on mismatches + instead of its more generic superclass. + .. versionadded:: 18.2.0 Hash type agility. + """ + hash = _ensure_bytes(hash, "ascii") + try: + hash_type = self._header_to_type[hash[:9]] + except (IndexError, KeyError, LookupError): + raise InvalidHash() + + return verify_secret( + hash, _ensure_bytes(password, self.encoding), hash_type + ) + + def check_needs_rehash(self, hash): + """ + Check whether *hash* was created using the instance's parameters. + + Whenever your Argon2 parameters -- or ``argon2-cffi``'s defaults! -- + change, you should rehash your passwords at the next opportunity. The + common approach is to do that whenever a user logs in, since that + should be the only time when you have access to the cleartext + password. + + Therefore it's best practice to check -- and if necessary rehash -- + passwords after each successful authentication. + + :rtype: bool + + .. versionadded:: 18.2.0 + """ + return self._parameters != extract_parameters(hash) diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/_utils.py b/backend/mb-env/lib/python3.9/site-packages/argon2/_utils.py new file mode 100644 index 0000000..dc11155 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/_utils.py @@ -0,0 +1,198 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, division, print_function + +from six import iteritems + +from .exceptions import InvalidHash +from .low_level import Type + + +NoneType = type(None) + + +def _check_types(**kw): + """ + Check each ``name: (value, types)`` in *kw*. + + Returns a human-readable string of all violations or `None``. + """ + errors = [] + for name, (value, types) in iteritems(kw): + if not isinstance(value, types): + if isinstance(types, tuple): + types = ", or ".join(t.__name__ for t in types) + else: + types = types.__name__ + errors.append( + "'{name}' must be a {type} (got {actual})".format( + name=name, type=types, actual=type(value).__name__ + ) + ) + + if errors != []: + return ", ".join(errors) + "." + + +def _encoded_str_len(l): + """ + Compute how long a byte string of length *l* becomes if encoded to hex. + """ + return (l << 2) / 3 + 2 + + +def _decoded_str_len(l): + """ + Compute how long an encoded string of length *l* becomes. + """ + rem = l % 4 + + if rem == 3: + last_group_len = 2 + elif rem == 2: + last_group_len = 1 + else: + last_group_len = 0 + + return l // 4 * 3 + last_group_len + + +class Parameters(object): + """ + Argon2 hash parameters. + + See :doc:`parameters` on how to pick them. + + :ivar Type type: Hash type. + :ivar int version: Argon2 version. + :ivar int salt_len: Length of the salt in bytes. + :ivar int hash_len: Length of the hash in bytes. + :ivar int time_cost: Time cost in iterations. + :ivar int memory_cost: Memory cost in kibibytes. + :ivar int parallelism: Number of parallel threads. + + .. versionadded:: 18.2.0 + """ + + __slots__ = [ + "type", + "version", + "salt_len", + "hash_len", + "time_cost", + "memory_cost", + "parallelism", + ] + + def __init__( + self, + type, + version, + salt_len, + hash_len, + time_cost, + memory_cost, + parallelism, + ): + self.type = type + self.version = version + self.salt_len = salt_len + self.hash_len = hash_len + self.time_cost = time_cost + self.memory_cost = memory_cost + self.parallelism = parallelism + + def __repr__(self): + return ( + "" + % ( + self.type, + self.version, + self.hash_len, + self.salt_len, + self.time_cost, + self.memory_cost, + self.parallelism, + ) + ) + + def __eq__(self, other): + if self.__class__ != other.__class__: + return NotImplemented + + return ( + self.type, + self.version, + self.salt_len, + self.hash_len, + self.time_cost, + self.memory_cost, + self.parallelism, + ) == ( + other.type, + other.version, + other.salt_len, + other.hash_len, + other.time_cost, + other.memory_cost, + other.parallelism, + ) + + def __ne__(self, other): + if self.__class__ != other.__class__: + return NotImplemented + + return not self.__eq__(other) + + +_NAME_TO_TYPE = {"argon2id": Type.ID, "argon2i": Type.I, "argon2d": Type.D} +_REQUIRED_KEYS = sorted(("v", "m", "t", "p")) + + +def extract_parameters(hash): + """ + Extract parameters from an encoded *hash*. + + :param str params: An encoded Argon2 hash string. + + :rtype: Parameters + + .. versionadded:: 18.2.0 + """ + parts = hash.split("$") + + # Backwards compatibility for Argon v1.2 hashes + if len(parts) == 5: + parts.insert(2, "v=18") + + if len(parts) != 6: + raise InvalidHash + + if parts[0] != "": + raise InvalidHash + + try: + type = _NAME_TO_TYPE[parts[1]] + + kvs = { + k: int(v) + for k, v in ( + s.split("=") for s in [parts[2]] + parts[3].split(",") + ) + } + except Exception: + raise InvalidHash + + if sorted(kvs.keys()) != _REQUIRED_KEYS: + raise InvalidHash + + return Parameters( + type=type, + salt_len=_decoded_str_len(len(parts[4])), + hash_len=_decoded_str_len(len(parts[5])), + version=kvs["v"], + time_cost=kvs["t"], + memory_cost=kvs["m"], + parallelism=kvs["p"], + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/argon2/exceptions.py new file mode 100644 index 0000000..fbfb531 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/exceptions.py @@ -0,0 +1,45 @@ +# -*- coding: utf-8 -*- + +from __future__ import absolute_import, division, print_function + + +class Argon2Error(Exception): + """ + Superclass of all argon2 exceptions. + + Never thrown directly. + """ + + +class VerificationError(Argon2Error): + """ + Verification failed. + + You can find the original error message from Argon2 in ``args[0]``. + """ + + +class VerifyMismatchError(VerificationError): + """ + The secret does not match the hash. + + Subclass of :exc:`argon2.exceptions.VerificationError`. + + .. versionadded:: 16.1.0 + """ + + +class HashingError(Argon2Error): + """ + Raised if hashing failed. + + You can find the original error message from Argon2 in ``args[0]``. + """ + + +class InvalidHash(ValueError): + """ + Raised if the hash is invalid before passing it to Argon2. + + .. versionadded:: 18.2.0 + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2/low_level.py b/backend/mb-env/lib/python3.9/site-packages/argon2/low_level.py new file mode 100644 index 0000000..f7c723f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2/low_level.py @@ -0,0 +1,256 @@ +# -*- coding: utf-8 -*- +""" +Low-level functions if you want to build your own higher level abstractions. + +.. warning:: + This is a "Hazardous Materials" module. You should **ONLY** use it if + you're 100% absolutely sure that you know what you’re doing because this + module is full of land mines, dragons, and dinosaurs with laser guns. +""" + +from __future__ import absolute_import, division, print_function + +from enum import Enum + +from six import PY3 + +from ._ffi import ffi, lib +from .exceptions import HashingError, VerificationError, VerifyMismatchError + + +__all__ = [ + "ARGON2_VERSION", + "Type", + "ffi", + "hash_secret", + "hash_secret_raw", + "verify_secret", +] + +ARGON2_VERSION = lib.ARGON2_VERSION_NUMBER +""" +The latest version of the Argon2 algorithm that is supported (and used by +default). + +.. versionadded:: 16.1.0 +""" + + +class Type(Enum): + """ + Enum of Argon2 variants. + + Please see :doc:`parameters` on how to pick one. + """ + + D = lib.Argon2_d + r""" + Argon2\ **d** is faster and uses data-depending memory access, which makes + it less suitable for hashing secrets and more suitable for cryptocurrencies + and applications with no threats from side-channel timing attacks. + """ + I = lib.Argon2_i + r""" + Argon2\ **i** uses data-independent memory access. Argon2i is slower as + it makes more passes over the memory to protect from tradeoff attacks. + """ + ID = lib.Argon2_id + r""" + Argon2\ **id** is a hybrid of Argon2i and Argon2d, using a combination of + data-depending and data-independent memory accesses, which gives some of + Argon2i's resistance to side-channel cache timing attacks and much of + Argon2d's resistance to GPU cracking attacks. + + That makes it the preferred type for password hashing and password-based + key derivation. + + .. versionadded:: 16.3.0 + """ + + +def hash_secret( + secret, + salt, + time_cost, + memory_cost, + parallelism, + hash_len, + type, + version=ARGON2_VERSION, +): + """ + Hash *secret* and return an **encoded** hash. + + An encoded hash can be directly passed into :func:`verify_secret` as it + contains all parameters and the salt. + + :param bytes secret: Secret to hash. + :param bytes salt: A salt_. Should be random and different for each + secret. + :param Type type: Which Argon2 variant to use. + :param int version: Which Argon2 version to use. + + For an explanation of the Argon2 parameters see :class:`PasswordHasher`. + + :rtype: bytes + + :raises argon2.exceptions.HashingError: If hashing fails. + + .. versionadded:: 16.0.0 + + .. _salt: https://en.wikipedia.org/wiki/Salt_(cryptography) + .. _kibibytes: https://en.wikipedia.org/wiki/Binary_prefix#kibi + """ + size = ( + lib.argon2_encodedlen( + time_cost, + memory_cost, + parallelism, + len(salt), + hash_len, + type.value, + ) + + 1 + ) + buf = ffi.new("char[]", size) + rv = lib.argon2_hash( + time_cost, + memory_cost, + parallelism, + ffi.new("uint8_t[]", secret), + len(secret), + ffi.new("uint8_t[]", salt), + len(salt), + ffi.NULL, + hash_len, + buf, + size, + type.value, + version, + ) + if rv != lib.ARGON2_OK: + raise HashingError(error_to_str(rv)) + + return ffi.string(buf) + + +def hash_secret_raw( + secret, + salt, + time_cost, + memory_cost, + parallelism, + hash_len, + type, + version=ARGON2_VERSION, +): + """ + Hash *password* and return a **raw** hash. + + This function takes the same parameters as :func:`hash_secret`. + + .. versionadded:: 16.0.0 + """ + buf = ffi.new("uint8_t[]", hash_len) + + rv = lib.argon2_hash( + time_cost, + memory_cost, + parallelism, + ffi.new("uint8_t[]", secret), + len(secret), + ffi.new("uint8_t[]", salt), + len(salt), + buf, + hash_len, + ffi.NULL, + 0, + type.value, + version, + ) + if rv != lib.ARGON2_OK: + raise HashingError(error_to_str(rv)) + + return bytes(ffi.buffer(buf, hash_len)) + + +def verify_secret(hash, secret, type): + """ + Verify whether *secret* is correct for *hash* of *type*. + + :param bytes hash: An encoded Argon2 hash as returned by + :func:`hash_secret`. + :param bytes secret: The secret to verify whether it matches the one + in *hash*. + :param Type type: Type for *hash*. + + :raises argon2.exceptions.VerifyMismatchError: If verification fails + because *hash* is not valid for *secret* of *type*. + :raises argon2.exceptions.VerificationError: If verification fails for + other reasons. + + :return: ``True`` on success, raise + :exc:`~argon2.exceptions.VerificationError` otherwise. + :rtype: bool + + .. versionadded:: 16.0.0 + .. versionchanged:: 16.1.0 + Raise :exc:`~argon2.exceptions.VerifyMismatchError` on mismatches + instead of its more generic superclass. + """ + rv = lib.argon2_verify( + ffi.new("char[]", hash), + ffi.new("uint8_t[]", secret), + len(secret), + type.value, + ) + if rv == lib.ARGON2_OK: + return True + elif rv == lib.ARGON2_VERIFY_MISMATCH: + raise VerifyMismatchError(error_to_str(rv)) + else: + raise VerificationError(error_to_str(rv)) + + +def core(context, type): + """ + Direct binding to the ``argon2_ctx`` function. + + .. warning:: + This is a strictly advanced function working on raw C data structures. + Both Argon2's and ``argon2-cffi``'s higher-level bindings do a lot of + sanity checks and housekeeping work that *you* are now responsible for + (e.g. clearing buffers). The structure of the *context* object can, + has, and will change with *any* release! + + Use at your own peril; ``argon2-cffi`` does *not* use this binding + itself. + + :param context: A CFFI Argon2 context object (i.e. an ``struct + Argon2_Context``/``argon2_context``). + :param int type: Which Argon2 variant to use. You can use the ``value`` + field of :class:`Type`'s fields. + + :rtype: int + :return: An Argon2 error code. Can be transformed into a string using + :func:`error_to_str`. + + .. versionadded:: 16.0.0 + """ + return lib.argon2_ctx(context, type) + + +def error_to_str(error): + """ + Convert an Argon2 error code into a native string. + + :param int error: An Argon2 error code as returned by :func:`core`. + + :rtype: str + + .. versionadded:: 16.0.0 + """ + msg = ffi.string(lib.argon2_error_message(error)) + if PY3: + msg = msg.decode("ascii") + return msg diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/AUTHORS.rst b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/AUTHORS.rst new file mode 100644 index 0000000..d046808 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/AUTHORS.rst @@ -0,0 +1,61 @@ +Credits & License +================= + +``argon2-cffi`` is maintained by Hynek Schlawack and released under the `MIT license `_. + +The development is kindly supported by `Variomedia AG `_. + +A full list of contributors can be found in GitHub's `overview `_. + + +Vendored Code +------------- + +Argon2 +^^^^^^ + +The original Argon2 repo can be found at https://github.com/P-H-C/phc-winner-argon2/. + +Except for the components listed below, the Argon2 code in this repository is copyright (c) 2015 Daniel Dinu, Dmitry Khovratovich (main authors), Jean-Philippe Aumasson and Samuel Neves, and under CC0_ license. + +The string encoding routines in src/encoding.c are copyright (c) 2015 Thomas Pornin, and under CC0_ license. + +The `BLAKE2 `_ code in ``src/blake2/`` is copyright (c) Samuel Neves, 2013-2015, and under CC0_ license. + +The authors of Argon2 also were very helpful to get the library to compile on ancient versions of Visual Studio for ancient versions of Python. + +The documentation also quotes frequently from the Argon2 paper_ to avoid mistakes by rephrasing. + +.. _CC0: https://creativecommons.org/publicdomain/zero/1.0/ +.. _paper: https://password-hashing.net/argon2-specs.pdf + +msinttypes +^^^^^^^^^^ + +In order to be able to compile on Visual Studio 2008 and Visual Studio 2010 which are required for Python 2.7, we also ship two C headers with integer types. +They are from the `msinttypes project `_ (`auto-import on GitHub `_) and licensed under New BSD: + +Copyright (c) 2006-2013 Alexander Chemeris + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the product nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/LICENSE new file mode 100644 index 0000000..7ae3df9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2015 Hynek Schlawack + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/METADATA new file mode 100644 index 0000000..db303b5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/METADATA @@ -0,0 +1,194 @@ +Metadata-Version: 2.1 +Name: argon2-cffi +Version: 20.1.0 +Summary: The secure Argon2 password hashing algorithm. +Home-page: https://argon2-cffi.readthedocs.io/ +Author: Hynek Schlawack +Author-email: hs@ox.cx +Maintainer: Hynek Schlawack +Maintainer-email: hs@ox.cx +License: MIT +Project-URL: Bug Tracker, https://github.com/hynek/argon2-cffi/issues +Project-URL: Source Code, https://github.com/hynek/argon2-cffi +Project-URL: Documentation, https://argon2-cffi.readthedocs.io/ +Keywords: password,hash,hashing,security +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Natural Language :: English +Classifier: Operating System :: MacOS :: MacOS X +Classifier: Operating System :: Microsoft :: Windows +Classifier: Operating System :: POSIX +Classifier: Operating System :: Unix +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Programming Language :: Python +Classifier: Topic :: Security :: Cryptography +Classifier: Topic :: Security +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Description-Content-Type: text/x-rst +Requires-Dist: cffi (>=1.0.0) +Requires-Dist: six +Requires-Dist: enum34 ; python_version < "3.4" +Provides-Extra: dev +Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'dev' +Requires-Dist: hypothesis ; extra == 'dev' +Requires-Dist: pytest ; extra == 'dev' +Requires-Dist: sphinx ; extra == 'dev' +Requires-Dist: wheel ; extra == 'dev' +Requires-Dist: pre-commit ; extra == 'dev' +Provides-Extra: docs +Requires-Dist: sphinx ; extra == 'docs' +Provides-Extra: tests +Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'tests' +Requires-Dist: hypothesis ; extra == 'tests' +Requires-Dist: pytest ; extra == 'tests' + +===================================== +CFFI-based Argon2 Bindings for Python +===================================== + +.. image:: https://readthedocs.org/projects/argon2-cffi/badge/?version=stable + :target: http://argon2-cffi.readthedocs.io/en/stable/?badge=stable + :alt: Documentation Status + +.. image:: https://github.com/hynek/argon2-cffi/workflows/CI/badge.svg?branch=master + :target: https://github.com/hynek/argon2-cffi/actions?workflow=CI + :alt: CI Status + +.. image:: https://codecov.io/github/hynek/argon2-cffi/branch/master/graph/badge.svg + :target: https://codecov.io/github/hynek/argon2-cffi + :alt: Test Coverage + +.. image:: https://www.irccloud.com/invite-svg?channel=%23cryptography-dev&hostname=irc.freenode.net&port=6697&ssl=1 + :target: https://www.irccloud.com/invite?channel=%23cryptography-dev&hostname=irc.freenode.net&port=6697&ssl=1 + :alt: IRC + +.. image:: https://img.shields.io/badge/code%20style-black-000000.svg + :target: https://github.com/ambv/black + :alt: Code style: black + +.. teaser-begin + +`Argon2 `_ won the `Password Hashing Competition `_ and ``argon2-cffi`` is the simplest way to use it in Python and PyPy: + +.. code-block:: pycon + + >>> from argon2 import PasswordHasher + >>> ph = PasswordHasher() + >>> hash = ph.hash("s3kr3tp4ssw0rd") + >>> hash # doctest: +SKIP + '$argon2id$v=19$m=102400,t=2,p=8$tSm+JOWigOgPZx/g44K5fQ$WDyus6py50bVFIPkjA28lQ' + >>> ph.verify(hash, "s3kr3tp4ssw0rd") + True + >>> ph.check_needs_rehash(hash) + False + >>> ph.verify(hash, "t0t411ywr0ng") + Traceback (most recent call last): + ... + argon2.exceptions.VerifyMismatchError: The password does not match the supplied hash + + +``argon2-cffi``\ ’s documentation lives at `Read the Docs `_, the code on `GitHub `_. +It’s rigorously tested on Python 2.7, 3.5+, and PyPy. + + +Release Information +=================== + +20.1.0 (2020-05-11) +------------------- + +Vendoring Argon2 @ `62358ba `_ (20190702) + + +Backward-incompatible changes: +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +*none* + + +Deprecations: +^^^^^^^^^^^^^ + +*none* + + +Changes: +^^^^^^^^ + +- It is now possible to manually override the detection of SSE2 using the ``ARGON2_CFFI_USE_SSE2`` environment variable. + +`Full changelog `_. + +Credits & License +================= + +``argon2-cffi`` is maintained by Hynek Schlawack and released under the `MIT license `_. + +The development is kindly supported by `Variomedia AG `_. + +A full list of contributors can be found in GitHub's `overview `_. + + +Vendored Code +------------- + +Argon2 +^^^^^^ + +The original Argon2 repo can be found at https://github.com/P-H-C/phc-winner-argon2/. + +Except for the components listed below, the Argon2 code in this repository is copyright (c) 2015 Daniel Dinu, Dmitry Khovratovich (main authors), Jean-Philippe Aumasson and Samuel Neves, and under CC0_ license. + +The string encoding routines in src/encoding.c are copyright (c) 2015 Thomas Pornin, and under CC0_ license. + +The `BLAKE2 `_ code in ``src/blake2/`` is copyright (c) Samuel Neves, 2013-2015, and under CC0_ license. + +The authors of Argon2 also were very helpful to get the library to compile on ancient versions of Visual Studio for ancient versions of Python. + +The documentation also quotes frequently from the Argon2 paper_ to avoid mistakes by rephrasing. + +.. _CC0: https://creativecommons.org/publicdomain/zero/1.0/ +.. _paper: https://password-hashing.net/argon2-specs.pdf + +msinttypes +^^^^^^^^^^ + +In order to be able to compile on Visual Studio 2008 and Visual Studio 2010 which are required for Python 2.7, we also ship two C headers with integer types. +They are from the `msinttypes project `_ (`auto-import on GitHub `_) and licensed under New BSD: + +Copyright (c) 2006-2013 Alexander Chemeris + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. Neither the name of the product nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED +WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO +EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/RECORD new file mode 100644 index 0000000..f24e394 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/RECORD @@ -0,0 +1,25 @@ +argon2/__init__.py,sha256=w1uY1E2fFjtzQwV8GPp2WOMqyY1Vo94f6rNzqr2yhfs,1159 +argon2/__main__.py,sha256=Oav1hO82TXQ56AkBIm5QynPVCGdeK6hMGa30IgAq2EM,2186 +argon2/__pycache__/__init__.cpython-39.pyc,, +argon2/__pycache__/__main__.cpython-39.pyc,, +argon2/__pycache__/_ffi_build.cpython-39.pyc,, +argon2/__pycache__/_legacy.cpython-39.pyc,, +argon2/__pycache__/_password_hasher.cpython-39.pyc,, +argon2/__pycache__/_utils.cpython-39.pyc,, +argon2/__pycache__/exceptions.cpython-39.pyc,, +argon2/__pycache__/low_level.cpython-39.pyc,, +argon2/_ffi.abi3.so,sha256=WSLUSt4TUgweah0g4Jm7aULilqGrZtp0FEMSZpUvC78,254977 +argon2/_ffi_build.py,sha256=4jfhXBZeoIlqex-AmbhpVOX7PS8ldrRnAUYluE0u_s4,5277 +argon2/_legacy.py,sha256=wwc8UrLbcl1-rGL4chEwE5K3yAhYd5bPWoDZgLa3few,1752 +argon2/_password_hasher.py,sha256=1FVzAJTYTbeoR3q05wCFcYp9j_Rh3bq8j0P5jYVMr3M,7044 +argon2/_utils.py,sha256=zKQZJv3eybHwflRwxYbS5biE1rtIsT3XupXQehQO87s,4667 +argon2/exceptions.py,sha256=yqhZARxSJEkmGaWktMhAaxKyrVbKkpblzGoPs5wMm-w,852 +argon2/low_level.py,sha256=2hF_tXYaGBht_Wxhm2mOqfE_zwG1MPA6hIkRXlOUlfk,6744 +argon2_cffi-20.1.0.dist-info/AUTHORS.rst,sha256=ZMgNCmvqvbcdUT1NFm3JLS-JJlWuC4DfhT871Nauhwc,3144 +argon2_cffi-20.1.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +argon2_cffi-20.1.0.dist-info/LICENSE,sha256=v2WaKLSSQGAvVrvfSQy-LsUJsVuY-Z17GaUsdA4yeGM,1082 +argon2_cffi-20.1.0.dist-info/METADATA,sha256=Lib7M6B1JB2oberCF4pJUd7-JzJ6BYl1p4aodbrjb7I,7892 +argon2_cffi-20.1.0.dist-info/RECORD,, +argon2_cffi-20.1.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +argon2_cffi-20.1.0.dist-info/WHEEL,sha256=HAbUOEaMuGu1vSI8bKL7nQShDuU2XC9f79bOtOydX1A,108 +argon2_cffi-20.1.0.dist-info/top_level.txt,sha256=Bv3ehVIttIfGPCxsOG8OmCZkpGYKGea1utN-Jy0AplQ,12 diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/WHEEL new file mode 100644 index 0000000..b3b8cbb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.34.2) +Root-Is-Purelib: false +Tag: cp35-abi3-manylinux1_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/top_level.txt new file mode 100644 index 0000000..b62a227 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/argon2_cffi-20.1.0.dist-info/top_level.txt @@ -0,0 +1,2 @@ +_ffi +argon2 diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/LICENSE new file mode 100644 index 0000000..5f4f225 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) Django Software Foundation and individual contributors. +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of Django nor the names of its contributors may be used + to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON +ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/METADATA new file mode 100644 index 0000000..7add538 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/METADATA @@ -0,0 +1,248 @@ +Metadata-Version: 2.1 +Name: asgiref +Version: 3.4.1 +Summary: ASGI specs, helper code, and adapters +Home-page: https://github.com/django/asgiref/ +Author: Django Software Foundation +Author-email: foundation@djangoproject.com +License: BSD +Project-URL: Documentation, https://asgi.readthedocs.io/ +Project-URL: Further Documentation, https://docs.djangoproject.com/en/stable/topics/async/#async-adapter-functions +Project-URL: Changelog, https://github.com/django/asgiref/blob/master/CHANGELOG.txt +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Topic :: Internet :: WWW/HTTP +Requires-Python: >=3.6 +License-File: LICENSE +Requires-Dist: typing-extensions ; python_version < "3.8" +Provides-Extra: tests +Requires-Dist: pytest ; extra == 'tests' +Requires-Dist: pytest-asyncio ; extra == 'tests' +Requires-Dist: mypy (>=0.800) ; extra == 'tests' + +asgiref +======= + +.. image:: https://api.travis-ci.org/django/asgiref.svg + :target: https://travis-ci.org/django/asgiref + +.. image:: https://img.shields.io/pypi/v/asgiref.svg + :target: https://pypi.python.org/pypi/asgiref + +ASGI is a standard for Python asynchronous web apps and servers to communicate +with each other, and positioned as an asynchronous successor to WSGI. You can +read more at https://asgi.readthedocs.io/en/latest/ + +This package includes ASGI base libraries, such as: + +* Sync-to-async and async-to-sync function wrappers, ``asgiref.sync`` +* Server base classes, ``asgiref.server`` +* A WSGI-to-ASGI adapter, in ``asgiref.wsgi`` + + +Function wrappers +----------------- + +These allow you to wrap or decorate async or sync functions to call them from +the other style (so you can call async functions from a synchronous thread, +or vice-versa). + +In particular: + +* AsyncToSync lets a synchronous subthread stop and wait while the async + function is called on the main thread's event loop, and then control is + returned to the thread when the async function is finished. + +* SyncToAsync lets async code call a synchronous function, which is run in + a threadpool and control returned to the async coroutine when the synchronous + function completes. + +The idea is to make it easier to call synchronous APIs from async code and +asynchronous APIs from synchronous code so it's easier to transition code from +one style to the other. In the case of Channels, we wrap the (synchronous) +Django view system with SyncToAsync to allow it to run inside the (asynchronous) +ASGI server. + +Note that exactly what threads things run in is very specific, and aimed to +keep maximum compatibility with old synchronous code. See +"Synchronous code & Threads" below for a full explanation. By default, +``sync_to_async`` will run all synchronous code in the program in the same +thread for safety reasons; you can disable this for more performance with +``@sync_to_async(thread_sensitive=False)``, but make sure that your code does +not rely on anything bound to threads (like database connections) when you do. + + +Threadlocal replacement +----------------------- + +This is a drop-in replacement for ``threading.local`` that works with both +threads and asyncio Tasks. Even better, it will proxy values through from a +task-local context to a thread-local context when you use ``sync_to_async`` +to run things in a threadpool, and vice-versa for ``async_to_sync``. + +If you instead want true thread- and task-safety, you can set +``thread_critical`` on the Local object to ensure this instead. + + +Server base classes +------------------- + +Includes a ``StatelessServer`` class which provides all the hard work of +writing a stateless server (as in, does not handle direct incoming sockets +but instead consumes external streams or sockets to work out what is happening). + +An example of such a server would be a chatbot server that connects out to +a central chat server and provides a "connection scope" per user chatting to +it. There's only one actual connection, but the server has to separate things +into several scopes for easier writing of the code. + +You can see an example of this being used in `frequensgi `_. + + +WSGI-to-ASGI adapter +-------------------- + +Allows you to wrap a WSGI application so it appears as a valid ASGI application. + +Simply wrap it around your WSGI application like so:: + + asgi_application = WsgiToAsgi(wsgi_application) + +The WSGI application will be run in a synchronous threadpool, and the wrapped +ASGI application will be one that accepts ``http`` class messages. + +Please note that not all extended features of WSGI may be supported (such as +file handles for incoming POST bodies). + + +Dependencies +------------ + +``asgiref`` requires Python 3.6 or higher. + + +Contributing +------------ + +Please refer to the +`main Channels contributing docs `_. + + +Testing +''''''' + +To run tests, make sure you have installed the ``tests`` extra with the package:: + + cd asgiref/ + pip install -e .[tests] + pytest + + +Building the documentation +'''''''''''''''''''''''''' + +The documentation uses `Sphinx `_:: + + cd asgiref/docs/ + pip install sphinx + +To build the docs, you can use the default tools:: + + sphinx-build -b html . _build/html # or `make html`, if you've got make set up + cd _build/html + python -m http.server + +...or you can use ``sphinx-autobuild`` to run a server and rebuild/reload +your documentation changes automatically:: + + pip install sphinx-autobuild + sphinx-autobuild . _build/html + + +Releasing +''''''''' + +To release, first add details to CHANGELOG.txt and update the version number in ``asgiref/__init__.py``. + +Then, build and push the packages:: + + python -m build + twine upload dist/* + rm -r build/ dist/ + + +Implementation Details +---------------------- + +Synchronous code & threads +'''''''''''''''''''''''''' + +The ``asgiref.sync`` module provides two wrappers that let you go between +asynchronous and synchronous code at will, while taking care of the rough edges +for you. + +Unfortunately, the rough edges are numerous, and the code has to work especially +hard to keep things in the same thread as much as possible. Notably, the +restrictions we are working with are: + +* All synchronous code called through ``SyncToAsync`` and marked with + ``thread_sensitive`` should run in the same thread as each other (and if the + outer layer of the program is synchronous, the main thread) + +* If a thread already has a running async loop, ``AsyncToSync`` can't run things + on that loop if it's blocked on synchronous code that is above you in the + call stack. + +The first compromise you get to might be that ``thread_sensitive`` code should +just run in the same thread and not spawn in a sub-thread, fulfilling the first +restriction, but that immediately runs you into the second restriction. + +The only real solution is to essentially have a variant of ThreadPoolExecutor +that executes any ``thread_sensitive`` code on the outermost synchronous +thread - either the main thread, or a single spawned subthread. + +This means you now have two basic states: + +* If the outermost layer of your program is synchronous, then all async code + run through ``AsyncToSync`` will run in a per-call event loop in arbitrary + sub-threads, while all ``thread_sensitive`` code will run in the main thread. + +* If the outermost layer of your program is asynchronous, then all async code + runs on the main thread's event loop, and all ``thread_sensitive`` synchronous + code will run in a single shared sub-thread. + +Crucially, this means that in both cases there is a thread which is a shared +resource that all ``thread_sensitive`` code must run on, and there is a chance +that this thread is currently blocked on its own ``AsyncToSync`` call. Thus, +``AsyncToSync`` needs to act as an executor for thread code while it's blocking. + +The ``CurrentThreadExecutor`` class provides this functionality; rather than +simply waiting on a Future, you can call its ``run_until_future`` method and +it will run submitted code until that Future is done. This means that code +inside the call can then run code on your thread. + + +Maintenance and Security +------------------------ + +To report security issues, please contact security@djangoproject.com. For GPG +signatures and more security process information, see +https://docs.djangoproject.com/en/dev/internals/security/. + +To report bugs or request new features, please open a new GitHub issue. + +This repository is part of the Channels project. For the shepherd and maintenance team, please see the +`main Channels readme `_. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/RECORD new file mode 100644 index 0000000..f45c5e0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/RECORD @@ -0,0 +1,30 @@ +asgiref-3.4.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +asgiref-3.4.1.dist-info/LICENSE,sha256=uEZBXRtRTpwd_xSiLeuQbXlLxUbKYSn5UKGM0JHipmk,1552 +asgiref-3.4.1.dist-info/METADATA,sha256=TZrVDUz2BP8ewHAkOyGQ8izCsiaq6YHMvj_TW5W7i2E,9162 +asgiref-3.4.1.dist-info/RECORD,, +asgiref-3.4.1.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +asgiref-3.4.1.dist-info/WHEEL,sha256=OqRkF0eY5GHssMorFjlbTIq072vpHpF60fIQA6lS9xA,92 +asgiref-3.4.1.dist-info/top_level.txt,sha256=bokQjCzwwERhdBiPdvYEZa4cHxT4NCeAffQNUqJ8ssg,8 +asgiref/__init__.py,sha256=z3MJNttjzZJkd4Yv_Ut_X2qO_gIKi4TijrHVpefXuRM,22 +asgiref/__pycache__/__init__.cpython-39.pyc,, +asgiref/__pycache__/_pep562.cpython-39.pyc,, +asgiref/__pycache__/compatibility.cpython-39.pyc,, +asgiref/__pycache__/current_thread_executor.cpython-39.pyc,, +asgiref/__pycache__/local.cpython-39.pyc,, +asgiref/__pycache__/server.cpython-39.pyc,, +asgiref/__pycache__/sync.cpython-39.pyc,, +asgiref/__pycache__/testing.cpython-39.pyc,, +asgiref/__pycache__/timeout.cpython-39.pyc,, +asgiref/__pycache__/typing.cpython-39.pyc,, +asgiref/__pycache__/wsgi.cpython-39.pyc,, +asgiref/_pep562.py,sha256=fyD3JhfLtViIGeXBtvhhbnbQ-R_8-nmwzbXHhncY6ow,2684 +asgiref/compatibility.py,sha256=4Plx8PT3wlDzZeuCN2cATfaXq6rya1OuSdJ262I5S6Y,2022 +asgiref/current_thread_executor.py,sha256=oeH8zv2tTmcbpxdUmOSMzbEXzeY5nJzIMFvzprE95gA,2801 +asgiref/local.py,sha256=D9kRIDARSUixNbxK8HL2O8vFhRCx_fc3fFB9uv0vG-g,4892 +asgiref/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +asgiref/server.py,sha256=lAxZxOxkdvxB073ZtYOAzN1JZ8aV-DOiFpVQJZ0X2FI,6018 +asgiref/sync.py,sha256=LCEHMPNiuoVtKrmI0kksoHeFjoSS5zLEG-n95UNd91Q,20310 +asgiref/testing.py,sha256=3byNRV7Oto_Fg8Z-fErQJ3yGf7OQlcUexbN_cDQugzQ,3119 +asgiref/timeout.py,sha256=UUYuUSY30dsqBsVzVAS7z9raQ9ntZGktScJw_Y_9iSU,3889 +asgiref/typing.py,sha256=-2wmtHqkhzV52rbMfipGTJmo8jUoU0i5AQECFH6y7aY,6722 +asgiref/wsgi.py,sha256=-L0eo_uK_dq7EPjv1meW1BRGytURaO9NPESxnJc9CtA,6575 diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/top_level.txt new file mode 100644 index 0000000..ddf99d3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref-3.4.1.dist-info/top_level.txt @@ -0,0 +1 @@ +asgiref diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/__init__.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/__init__.py new file mode 100644 index 0000000..a5cfdf5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/__init__.py @@ -0,0 +1 @@ +__version__ = "3.4.1" diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/_pep562.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/_pep562.py new file mode 100644 index 0000000..3059257 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/_pep562.py @@ -0,0 +1,61 @@ +""" +Backport of PEP 562. +https://pypi.org/search/?q=pep562 +Licensed under MIT +Copyright (c) 2018 Isaac Muse +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated +documentation files (the "Software"), to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, +and to permit persons to whom the Software is furnished to do so, subject to the following conditions: +The above copyright notice and this permission notice shall be included in all copies or substantial portions +of the Software. +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +IN THE SOFTWARE. +""" +import sys +from typing import Any, Callable, List, Optional + + +class Pep562: + """ + Backport of PEP 562 . + Wraps the module in a class that exposes the mechanics to override `__dir__` and `__getattr__`. + The given module will be searched for overrides of `__dir__` and `__getattr__` and use them when needed. + """ + + def __init__(self, name: str) -> None: + """Acquire `__getattr__` and `__dir__`, but only replace module for versions less than Python 3.7.""" + + self._module = sys.modules[name] + self._get_attr = getattr(self._module, "__getattr__", None) + self._get_dir: Optional[Callable[..., List[str]]] = getattr( + self._module, "__dir__", None + ) + sys.modules[name] = self # type: ignore[assignment] + + def __dir__(self) -> List[str]: + """Return the overridden `dir` if one was provided, else apply `dir` to the module.""" + + return self._get_dir() if self._get_dir else dir(self._module) + + def __getattr__(self, name: str) -> Any: + """ + Attempt to retrieve the attribute from the module, and if missing, use the overridden function if present. + """ + + try: + return getattr(self._module, name) + except AttributeError: + if self._get_attr: + return self._get_attr(name) + raise + + +def pep562(module_name: str) -> None: + """Helper function to apply PEP 562.""" + + if sys.version_info < (3, 7): + Pep562(module_name) diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/compatibility.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/compatibility.py new file mode 100644 index 0000000..614b2e6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/compatibility.py @@ -0,0 +1,61 @@ +import asyncio +import inspect +import sys + + +def is_double_callable(application): + """ + Tests to see if an application is a legacy-style (double-callable) application. + """ + # Look for a hint on the object first + if getattr(application, "_asgi_single_callable", False): + return False + if getattr(application, "_asgi_double_callable", False): + return True + # Uninstanted classes are double-callable + if inspect.isclass(application): + return True + # Instanted classes depend on their __call__ + if hasattr(application, "__call__"): + # We only check to see if its __call__ is a coroutine function - + # if it's not, it still might be a coroutine function itself. + if asyncio.iscoroutinefunction(application.__call__): + return False + # Non-classes we just check directly + return not asyncio.iscoroutinefunction(application) + + +def double_to_single_callable(application): + """ + Transforms a double-callable ASGI application into a single-callable one. + """ + + async def new_application(scope, receive, send): + instance = application(scope) + return await instance(receive, send) + + return new_application + + +def guarantee_single_callable(application): + """ + Takes either a single- or double-callable application and always returns it + in single-callable style. Use this to add backwards compatibility for ASGI + 2.0 applications to your server/test harness/etc. + """ + if is_double_callable(application): + application = double_to_single_callable(application) + return application + + +if sys.version_info >= (3, 7): + # these were introduced in 3.7 + get_running_loop = asyncio.get_running_loop + run_future = asyncio.run + create_task = asyncio.create_task +else: + # marked as deprecated in 3.10, did not exist before 3.7 + get_running_loop = asyncio.get_event_loop + run_future = asyncio.ensure_future + # does nothing, this is fine for <3.7 + create_task = lambda task: task diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/current_thread_executor.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/current_thread_executor.py new file mode 100644 index 0000000..a7898f8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/current_thread_executor.py @@ -0,0 +1,81 @@ +import queue +import threading +from concurrent.futures import Executor, Future + + +class _WorkItem: + """ + Represents an item needing to be run in the executor. + Copied from ThreadPoolExecutor (but it's private, so we're not going to rely on importing it) + """ + + def __init__(self, future, fn, args, kwargs): + self.future = future + self.fn = fn + self.args = args + self.kwargs = kwargs + + def run(self): + if not self.future.set_running_or_notify_cancel(): + return + try: + result = self.fn(*self.args, **self.kwargs) + except BaseException as exc: + self.future.set_exception(exc) + # Break a reference cycle with the exception 'exc' + self = None + else: + self.future.set_result(result) + + +class CurrentThreadExecutor(Executor): + """ + An Executor that actually runs code in the thread it is instantiated in. + Passed to other threads running async code, so they can run sync code in + the thread they came from. + """ + + def __init__(self): + self._work_thread = threading.current_thread() + self._work_queue = queue.Queue() + self._broken = False + + def run_until_future(self, future): + """ + Runs the code in the work queue until a result is available from the future. + Should be run from the thread the executor is initialised in. + """ + # Check we're in the right thread + if threading.current_thread() != self._work_thread: + raise RuntimeError( + "You cannot run CurrentThreadExecutor from a different thread" + ) + future.add_done_callback(self._work_queue.put) + # Keep getting and running work items until we get the future we're waiting for + # back via the future's done callback. + try: + while True: + # Get a work item and run it + work_item = self._work_queue.get() + if work_item is future: + return + work_item.run() + del work_item + finally: + self._broken = True + + def submit(self, fn, *args, **kwargs): + # Check they're not submitting from the same thread + if threading.current_thread() == self._work_thread: + raise RuntimeError( + "You cannot submit onto CurrentThreadExecutor from its own thread" + ) + # Check they're not too late or the executor errored + if self._broken: + raise RuntimeError("CurrentThreadExecutor already quit or is broken") + # Add to work queue + f = Future() + work_item = _WorkItem(f, fn, args, kwargs) + self._work_queue.put(work_item) + # Return the future + return f diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/local.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/local.py new file mode 100644 index 0000000..4a17052 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/local.py @@ -0,0 +1,122 @@ +import random +import string +import sys +import threading +import weakref + + +class Local: + """ + A drop-in replacement for threading.locals that also works with asyncio + Tasks (via the current_task asyncio method), and passes locals through + sync_to_async and async_to_sync. + + Specifically: + - Locals work per-coroutine on any thread not spawned using asgiref + - Locals work per-thread on any thread not spawned using asgiref + - Locals are shared with the parent coroutine when using sync_to_async + - Locals are shared with the parent thread when using async_to_sync + (and if that thread was launched using sync_to_async, with its parent + coroutine as well, with this working for indefinite levels of nesting) + + Set thread_critical to True to not allow locals to pass from an async Task + to a thread it spawns. This is needed for code that truly needs + thread-safety, as opposed to things used for helpful context (e.g. sqlite + does not like being called from a different thread to the one it is from). + Thread-critical code will still be differentiated per-Task within a thread + as it is expected it does not like concurrent access. + + This doesn't use contextvars as it needs to support 3.6. Once it can support + 3.7 only, we can then reimplement the storage more nicely. + """ + + CLEANUP_INTERVAL = 60 # seconds + + def __init__(self, thread_critical: bool = False) -> None: + self._thread_critical = thread_critical + self._thread_lock = threading.RLock() + self._context_refs: "weakref.WeakSet[object]" = weakref.WeakSet() + # Random suffixes stop accidental reuse between different Locals, + # though we try to force deletion as well. + self._attr_name = "_asgiref_local_impl_{}_{}".format( + id(self), + "".join(random.choice(string.ascii_letters) for i in range(8)), + ) + + def _get_context_id(self): + """ + Get the ID we should use for looking up variables + """ + # Prevent a circular reference + from .sync import AsyncToSync, SyncToAsync + + # First, pull the current task if we can + context_id = SyncToAsync.get_current_task() + context_is_async = True + # OK, let's try for a thread ID + if context_id is None: + context_id = threading.current_thread() + context_is_async = False + # If we're thread-critical, we stop here, as we can't share contexts. + if self._thread_critical: + return context_id + # Now, take those and see if we can resolve them through the launch maps + for i in range(sys.getrecursionlimit()): + try: + if context_is_async: + # Tasks have a source thread in AsyncToSync + context_id = AsyncToSync.launch_map[context_id] + context_is_async = False + else: + # Threads have a source task in SyncToAsync + context_id = SyncToAsync.launch_map[context_id] + context_is_async = True + except KeyError: + break + else: + # Catch infinite loops (they happen if you are screwing around + # with AsyncToSync implementations) + raise RuntimeError("Infinite launch_map loops") + return context_id + + def _get_storage(self): + context_obj = self._get_context_id() + if not hasattr(context_obj, self._attr_name): + setattr(context_obj, self._attr_name, {}) + self._context_refs.add(context_obj) + return getattr(context_obj, self._attr_name) + + def __del__(self): + try: + for context_obj in self._context_refs: + try: + delattr(context_obj, self._attr_name) + except AttributeError: + pass + except TypeError: + # WeakSet.__iter__ can crash when interpreter is shutting down due + # to _IterationGuard being None. + pass + + def __getattr__(self, key): + with self._thread_lock: + storage = self._get_storage() + if key in storage: + return storage[key] + else: + raise AttributeError(f"{self!r} object has no attribute {key!r}") + + def __setattr__(self, key, value): + if key in ("_context_refs", "_thread_critical", "_thread_lock", "_attr_name"): + return super().__setattr__(key, value) + with self._thread_lock: + storage = self._get_storage() + storage[key] = value + + def __delattr__(self, key): + with self._thread_lock: + storage = self._get_storage() + if key in storage: + del storage[key] + else: + raise AttributeError(f"{self!r} object has no attribute {key!r}") diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/py.typed b/backend/mb-env/lib/python3.9/site-packages/asgiref/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/server.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/server.py new file mode 100644 index 0000000..fb1c394 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/server.py @@ -0,0 +1,157 @@ +import asyncio +import logging +import time +import traceback + +from .compatibility import get_running_loop, guarantee_single_callable, run_future + +logger = logging.getLogger(__name__) + + +class StatelessServer: + """ + Base server class that handles basic concepts like application instance + creation/pooling, exception handling, and similar, for stateless protocols + (i.e. ones without actual incoming connections to the process) + + Your code should override the handle() method, doing whatever it needs to, + and calling get_or_create_application_instance with a unique `scope_id` + and `scope` for the scope it wants to get. + + If an application instance is found with the same `scope_id`, you are + given its input queue, otherwise one is made for you with the scope provided + and you are given that fresh new input queue. Either way, you should do + something like: + + input_queue = self.get_or_create_application_instance( + "user-123456", + {"type": "testprotocol", "user_id": "123456", "username": "andrew"}, + ) + input_queue.put_nowait(message) + + If you try and create an application instance and there are already + `max_application` instances, the oldest/least recently used one will be + reclaimed and shut down to make space. + + Application coroutines that error will be found periodically (every 100ms + by default) and have their exceptions printed to the console. Override + application_exception() if you want to do more when this happens. + + If you override run(), make sure you handle things like launching the + application checker. + """ + + application_checker_interval = 0.1 + + def __init__(self, application, max_applications=1000): + # Parameters + self.application = application + self.max_applications = max_applications + # Initialisation + self.application_instances = {} + + ### Mainloop and handling + + def run(self): + """ + Runs the asyncio event loop with our handler loop. + """ + event_loop = get_running_loop() + asyncio.ensure_future(self.application_checker()) + try: + event_loop.run_until_complete(self.handle()) + except KeyboardInterrupt: + logger.info("Exiting due to Ctrl-C/interrupt") + + async def handle(self): + raise NotImplementedError("You must implement handle()") + + async def application_send(self, scope, message): + """ + Receives outbound sends from applications and handles them. + """ + raise NotImplementedError("You must implement application_send()") + + ### Application instance management + + def get_or_create_application_instance(self, scope_id, scope): + """ + Creates an application instance and returns its queue. + """ + if scope_id in self.application_instances: + self.application_instances[scope_id]["last_used"] = time.time() + return self.application_instances[scope_id]["input_queue"] + # See if we need to delete an old one + while len(self.application_instances) > self.max_applications: + self.delete_oldest_application_instance() + # Make an instance of the application + input_queue = asyncio.Queue() + application_instance = guarantee_single_callable(self.application) + # Run it, and stash the future for later checking + future = run_future( + application_instance( + scope=scope, + receive=input_queue.get, + send=lambda message: self.application_send(scope, message), + ), + ) + self.application_instances[scope_id] = { + "input_queue": input_queue, + "future": future, + "scope": scope, + "last_used": time.time(), + } + return input_queue + + def delete_oldest_application_instance(self): + """ + Finds and deletes the oldest application instance + """ + oldest_time = min( + details["last_used"] for details in self.application_instances.values() + ) + for scope_id, details in self.application_instances.items(): + if details["last_used"] == oldest_time: + self.delete_application_instance(scope_id) + # Return to make sure we only delete one in case two have + # the same oldest time + return + + def delete_application_instance(self, scope_id): + """ + Removes an application instance (makes sure its task is stopped, + then removes it from the current set) + """ + details = self.application_instances[scope_id] + del self.application_instances[scope_id] + if not details["future"].done(): + details["future"].cancel() + + async def application_checker(self): + """ + Goes through the set of current application instance Futures and cleans up + any that are done/prints exceptions for any that errored. + """ + while True: + await asyncio.sleep(self.application_checker_interval) + for scope_id, details in list(self.application_instances.items()): + if details["future"].done(): + exception = details["future"].exception() + if exception: + await self.application_exception(exception, details) + try: + del self.application_instances[scope_id] + except KeyError: + # Exception handling might have already got here before us. That's fine. + pass + + async def application_exception(self, exception, application_details): + """ + Called whenever an application coroutine has an exception. + """ + logging.error( + "Exception inside application: %s\n%s%s", + exception, + "".join(traceback.format_tb(exception.__traceback__)), + f" {exception}", + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/sync.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/sync.py new file mode 100644 index 0000000..0d9464f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/sync.py @@ -0,0 +1,548 @@ +import asyncio.coroutines +import functools +import inspect +import os +import sys +import threading +import warnings +import weakref +from concurrent.futures import Future, ThreadPoolExecutor +from typing import Any, Callable, Dict, Optional, overload + +from .compatibility import get_running_loop +from .current_thread_executor import CurrentThreadExecutor +from .local import Local + +if sys.version_info >= (3, 7): + import contextvars +else: + contextvars = None + + +def _restore_context(context): + # Check for changes in contextvars, and set them to the current + # context for downstream consumers + for cvar in context: + try: + if cvar.get() != context.get(cvar): + cvar.set(context.get(cvar)) + except LookupError: + cvar.set(context.get(cvar)) + + +def _iscoroutinefunction_or_partial(func: Any) -> bool: + # Python < 3.8 does not correctly determine partially wrapped + # coroutine functions are coroutine functions, hence the need for + # this to exist. Code taken from CPython. + if sys.version_info >= (3, 8): + return asyncio.iscoroutinefunction(func) + else: + while inspect.ismethod(func): + func = func.__func__ + while isinstance(func, functools.partial): + func = func.func + + return asyncio.iscoroutinefunction(func) + + +class ThreadSensitiveContext: + """Async context manager to manage context for thread sensitive mode + + This context manager controls which thread pool executor is used when in + thread sensitive mode. By default, a single thread pool executor is shared + within a process. + + In Python 3.7+, the ThreadSensitiveContext() context manager may be used to + specify a thread pool per context. + + In Python 3.6, usage of this context manager has no effect. + + This context manager is re-entrant, so only the outer-most call to + ThreadSensitiveContext will set the context. + + Usage: + + >>> import time + >>> async with ThreadSensitiveContext(): + ... await sync_to_async(time.sleep, 1)() + """ + + def __init__(self): + self.token = None + + if contextvars: + + async def __aenter__(self): + try: + SyncToAsync.thread_sensitive_context.get() + except LookupError: + self.token = SyncToAsync.thread_sensitive_context.set(self) + + return self + + async def __aexit__(self, exc, value, tb): + if not self.token: + return + + executor = SyncToAsync.context_to_thread_executor.pop(self, None) + if executor: + executor.shutdown() + SyncToAsync.thread_sensitive_context.reset(self.token) + + else: + + async def __aenter__(self): + return self + + async def __aexit__(self, exc, value, tb): + pass + + +class AsyncToSync: + """ + Utility class which turns an awaitable that only works on the thread with + the event loop into a synchronous callable that works in a subthread. + + If the call stack contains an async loop, the code runs there. + Otherwise, the code runs in a new loop in a new thread. + + Either way, this thread then pauses and waits to run any thread_sensitive + code called from further down the call stack using SyncToAsync, before + finally exiting once the async task returns. + """ + + # Maps launched Tasks to the threads that launched them (for locals impl) + launch_map: "Dict[asyncio.Task[object], threading.Thread]" = {} + + # Keeps track of which CurrentThreadExecutor to use. This uses an asgiref + # Local, not a threadlocal, so that tasks can work out what their parent used. + executors = Local() + + def __init__(self, awaitable, force_new_loop=False): + if not callable(awaitable) or not _iscoroutinefunction_or_partial(awaitable): + # Python does not have very reliable detection of async functions + # (lots of false negatives) so this is just a warning. + warnings.warn("async_to_sync was passed a non-async-marked callable") + self.awaitable = awaitable + try: + self.__self__ = self.awaitable.__self__ + except AttributeError: + pass + if force_new_loop: + # They have asked that we always run in a new sub-loop. + self.main_event_loop = None + else: + try: + self.main_event_loop = get_running_loop() + except RuntimeError: + # There's no event loop in this thread. Look for the threadlocal if + # we're inside SyncToAsync + main_event_loop_pid = getattr( + SyncToAsync.threadlocal, "main_event_loop_pid", None + ) + # We make sure the parent loop is from the same process - if + # they've forked, this is not going to be valid any more (#194) + if main_event_loop_pid and main_event_loop_pid == os.getpid(): + self.main_event_loop = getattr( + SyncToAsync.threadlocal, "main_event_loop", None + ) + else: + self.main_event_loop = None + + def __call__(self, *args, **kwargs): + # You can't call AsyncToSync from a thread with a running event loop + try: + event_loop = get_running_loop() + except RuntimeError: + pass + else: + if event_loop.is_running(): + raise RuntimeError( + "You cannot use AsyncToSync in the same thread as an async event loop - " + "just await the async function directly." + ) + + if contextvars is not None: + # Wrapping context in list so it can be reassigned from within + # `main_wrap`. + context = [contextvars.copy_context()] + else: + context = None + + # Make a future for the return information + call_result = Future() + # Get the source thread + source_thread = threading.current_thread() + # Make a CurrentThreadExecutor we'll use to idle in this thread - we + # need one for every sync frame, even if there's one above us in the + # same thread. + if hasattr(self.executors, "current"): + old_current_executor = self.executors.current + else: + old_current_executor = None + current_executor = CurrentThreadExecutor() + self.executors.current = current_executor + # Use call_soon_threadsafe to schedule a synchronous callback on the + # main event loop's thread if it's there, otherwise make a new loop + # in this thread. + try: + awaitable = self.main_wrap( + args, kwargs, call_result, source_thread, sys.exc_info(), context + ) + + if not (self.main_event_loop and self.main_event_loop.is_running()): + # Make our own event loop - in a new thread - and run inside that. + loop = asyncio.new_event_loop() + loop_executor = ThreadPoolExecutor(max_workers=1) + loop_future = loop_executor.submit( + self._run_event_loop, loop, awaitable + ) + if current_executor: + # Run the CurrentThreadExecutor until the future is done + current_executor.run_until_future(loop_future) + # Wait for future and/or allow for exception propagation + loop_future.result() + else: + # Call it inside the existing loop + self.main_event_loop.call_soon_threadsafe( + self.main_event_loop.create_task, awaitable + ) + if current_executor: + # Run the CurrentThreadExecutor until the future is done + current_executor.run_until_future(call_result) + finally: + # Clean up any executor we were running + if hasattr(self.executors, "current"): + del self.executors.current + if old_current_executor: + self.executors.current = old_current_executor + if contextvars is not None: + _restore_context(context[0]) + + # Wait for results from the future. + return call_result.result() + + def _run_event_loop(self, loop, coro): + """ + Runs the given event loop (designed to be called in a thread). + """ + asyncio.set_event_loop(loop) + try: + loop.run_until_complete(coro) + finally: + try: + # mimic asyncio.run() behavior + # cancel unexhausted async generators + if sys.version_info >= (3, 7, 0): + tasks = asyncio.all_tasks(loop) + else: + tasks = asyncio.Task.all_tasks(loop) + for task in tasks: + task.cancel() + + async def gather(): + await asyncio.gather(*tasks, return_exceptions=True) + + loop.run_until_complete(gather()) + for task in tasks: + if task.cancelled(): + continue + if task.exception() is not None: + loop.call_exception_handler( + { + "message": "unhandled exception during loop shutdown", + "exception": task.exception(), + "task": task, + } + ) + if hasattr(loop, "shutdown_asyncgens"): + loop.run_until_complete(loop.shutdown_asyncgens()) + finally: + loop.close() + asyncio.set_event_loop(self.main_event_loop) + + def __get__(self, parent, objtype): + """ + Include self for methods + """ + func = functools.partial(self.__call__, parent) + return functools.update_wrapper(func, self.awaitable) + + async def main_wrap( + self, args, kwargs, call_result, source_thread, exc_info, context + ): + """ + Wraps the awaitable with something that puts the result into the + result/exception future. + """ + if context is not None: + _restore_context(context[0]) + + current_task = SyncToAsync.get_current_task() + self.launch_map[current_task] = source_thread + try: + # If we have an exception, run the function inside the except block + # after raising it so exc_info is correctly populated. + if exc_info[1]: + try: + raise exc_info[1] + except BaseException: + result = await self.awaitable(*args, **kwargs) + else: + result = await self.awaitable(*args, **kwargs) + except BaseException as e: + call_result.set_exception(e) + else: + call_result.set_result(result) + finally: + del self.launch_map[current_task] + + if context is not None: + context[0] = contextvars.copy_context() + + +class SyncToAsync: + """ + Utility class which turns a synchronous callable into an awaitable that + runs in a threadpool. It also sets a threadlocal inside the thread so + calls to AsyncToSync can escape it. + + If thread_sensitive is passed, the code will run in the same thread as any + outer code. This is needed for underlying Python code that is not + threadsafe (for example, code which handles SQLite database connections). + + If the outermost program is async (i.e. SyncToAsync is outermost), then + this will be a dedicated single sub-thread that all sync code runs in, + one after the other. If the outermost program is sync (i.e. AsyncToSync is + outermost), this will just be the main thread. This is achieved by idling + with a CurrentThreadExecutor while AsyncToSync is blocking its sync parent, + rather than just blocking. + + If executor is passed in, that will be used instead of the loop's default executor. + In order to pass in an executor, thread_sensitive must be set to False, otherwise + a TypeError will be raised. + """ + + # If they've set ASGI_THREADS, update the default asyncio executor for now + if "ASGI_THREADS" in os.environ: + loop = get_running_loop() + loop.set_default_executor( + ThreadPoolExecutor(max_workers=int(os.environ["ASGI_THREADS"])) + ) + + # Maps launched threads to the coroutines that spawned them + launch_map: "Dict[threading.Thread, asyncio.Task[object]]" = {} + + # Storage for main event loop references + threadlocal = threading.local() + + # Single-thread executor for thread-sensitive code + single_thread_executor = ThreadPoolExecutor(max_workers=1) + + # Maintain a contextvar for the current execution context. Optionally used + # for thread sensitive mode. + if sys.version_info >= (3, 7): + thread_sensitive_context: "contextvars.ContextVar[str]" = ( + contextvars.ContextVar("thread_sensitive_context") + ) + else: + thread_sensitive_context: None = None + + # Contextvar that is used to detect if the single thread executor + # would be awaited on while already being used in the same context + if sys.version_info >= (3, 7): + deadlock_context: "contextvars.ContextVar[bool]" = contextvars.ContextVar( + "deadlock_context" + ) + else: + deadlock_context: None = None + + # Maintaining a weak reference to the context ensures that thread pools are + # erased once the context goes out of scope. This terminates the thread pool. + context_to_thread_executor: "weakref.WeakKeyDictionary[object, ThreadPoolExecutor]" = ( + weakref.WeakKeyDictionary() + ) + + def __init__( + self, + func: Callable[..., Any], + thread_sensitive: bool = True, + executor: Optional["ThreadPoolExecutor"] = None, + ) -> None: + if not callable(func) or _iscoroutinefunction_or_partial(func): + raise TypeError("sync_to_async can only be applied to sync functions.") + self.func = func + functools.update_wrapper(self, func) + self._thread_sensitive = thread_sensitive + self._is_coroutine = asyncio.coroutines._is_coroutine # type: ignore + if thread_sensitive and executor is not None: + raise TypeError("executor must not be set when thread_sensitive is True") + self._executor = executor + try: + self.__self__ = func.__self__ # type: ignore + except AttributeError: + pass + + async def __call__(self, *args, **kwargs): + loop = get_running_loop() + + # Work out what thread to run the code in + if self._thread_sensitive: + if hasattr(AsyncToSync.executors, "current"): + # If we have a parent sync thread above somewhere, use that + executor = AsyncToSync.executors.current + elif self.thread_sensitive_context and self.thread_sensitive_context.get( + None + ): + # If we have a way of retrieving the current context, attempt + # to use a per-context thread pool executor + thread_sensitive_context = self.thread_sensitive_context.get() + + if thread_sensitive_context in self.context_to_thread_executor: + # Re-use thread executor in current context + executor = self.context_to_thread_executor[thread_sensitive_context] + else: + # Create new thread executor in current context + executor = ThreadPoolExecutor(max_workers=1) + self.context_to_thread_executor[thread_sensitive_context] = executor + elif self.deadlock_context and self.deadlock_context.get(False): + raise RuntimeError( + "Single thread executor already being used, would deadlock" + ) + else: + # Otherwise, we run it in a fixed single thread + executor = self.single_thread_executor + if self.deadlock_context: + self.deadlock_context.set(True) + else: + # Use the passed in executor, or the loop's default if it is None + executor = self._executor + + if contextvars is not None: + context = contextvars.copy_context() + child = functools.partial(self.func, *args, **kwargs) + func = context.run + args = (child,) + kwargs = {} + else: + func = self.func + + try: + # Run the code in the right thread + future = loop.run_in_executor( + executor, + functools.partial( + self.thread_handler, + loop, + self.get_current_task(), + sys.exc_info(), + func, + *args, + **kwargs, + ), + ) + ret = await asyncio.wait_for(future, timeout=None) + + finally: + if contextvars is not None: + _restore_context(context) + if self.deadlock_context: + self.deadlock_context.set(False) + + return ret + + def __get__(self, parent, objtype): + """ + Include self for methods + """ + return functools.partial(self.__call__, parent) + + def thread_handler(self, loop, source_task, exc_info, func, *args, **kwargs): + """ + Wraps the sync application with exception handling. + """ + # Set the threadlocal for AsyncToSync + self.threadlocal.main_event_loop = loop + self.threadlocal.main_event_loop_pid = os.getpid() + # Set the task mapping (used for the locals module) + current_thread = threading.current_thread() + if AsyncToSync.launch_map.get(source_task) == current_thread: + # Our parent task was launched from this same thread, so don't make + # a launch map entry - let it shortcut over us! (and stop infinite loops) + parent_set = False + else: + self.launch_map[current_thread] = source_task + parent_set = True + # Run the function + try: + # If we have an exception, run the function inside the except block + # after raising it so exc_info is correctly populated. + if exc_info[1]: + try: + raise exc_info[1] + except BaseException: + return func(*args, **kwargs) + else: + return func(*args, **kwargs) + finally: + # Only delete the launch_map parent if we set it, otherwise it is + # from someone else. + if parent_set: + del self.launch_map[current_thread] + + @staticmethod + def get_current_task(): + """ + Cross-version implementation of asyncio.current_task() + + Returns None if there is no task. + """ + try: + if hasattr(asyncio, "current_task"): + # Python 3.7 and up + return asyncio.current_task() + else: + # Python 3.6 + return asyncio.Task.current_task() + except RuntimeError: + return None + + +# Lowercase aliases (and decorator friendliness) +async_to_sync = AsyncToSync + + +@overload +def sync_to_async( + func: None = None, + thread_sensitive: bool = True, + executor: Optional["ThreadPoolExecutor"] = None, +) -> Callable[[Callable[..., Any]], SyncToAsync]: + ... + + +@overload +def sync_to_async( + func: Callable[..., Any], + thread_sensitive: bool = True, + executor: Optional["ThreadPoolExecutor"] = None, +) -> SyncToAsync: + ... + + +def sync_to_async( + func=None, + thread_sensitive=True, + executor=None, +): + if func is None: + return lambda f: SyncToAsync( + f, + thread_sensitive=thread_sensitive, + executor=executor, + ) + return SyncToAsync( + func, + thread_sensitive=thread_sensitive, + executor=executor, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/testing.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/testing.py new file mode 100644 index 0000000..6624317 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/testing.py @@ -0,0 +1,97 @@ +import asyncio +import time + +from .compatibility import guarantee_single_callable +from .timeout import timeout as async_timeout + + +class ApplicationCommunicator: + """ + Runs an ASGI application in a test mode, allowing sending of + messages to it and retrieval of messages it sends. + """ + + def __init__(self, application, scope): + self.application = guarantee_single_callable(application) + self.scope = scope + self.input_queue = asyncio.Queue() + self.output_queue = asyncio.Queue() + self.future = asyncio.ensure_future( + self.application(scope, self.input_queue.get, self.output_queue.put) + ) + + async def wait(self, timeout=1): + """ + Waits for the application to stop itself and returns any exceptions. + """ + try: + async with async_timeout(timeout): + try: + await self.future + self.future.result() + except asyncio.CancelledError: + pass + finally: + if not self.future.done(): + self.future.cancel() + try: + await self.future + except asyncio.CancelledError: + pass + + def stop(self, exceptions=True): + if not self.future.done(): + self.future.cancel() + elif exceptions: + # Give a chance to raise any exceptions + self.future.result() + + def __del__(self): + # Clean up on deletion + try: + self.stop(exceptions=False) + except RuntimeError: + # Event loop already stopped + pass + + async def send_input(self, message): + """ + Sends a single message to the application + """ + # Give it the message + await self.input_queue.put(message) + + async def receive_output(self, timeout=1): + """ + Receives a single message from the application, with optional timeout. + """ + # Make sure there's not an exception to raise from the task + if self.future.done(): + self.future.result() + # Wait and receive the message + try: + async with async_timeout(timeout): + return await self.output_queue.get() + except asyncio.TimeoutError as e: + # See if we have another error to raise inside + if self.future.done(): + self.future.result() + else: + self.future.cancel() + try: + await self.future + except asyncio.CancelledError: + pass + raise e + + async def receive_nothing(self, timeout=0.1, interval=0.01): + """ + Checks that there is no message to receive in the given time. + """ + # `interval` has precedence over `timeout` + start = time.monotonic() + while time.monotonic() - start < timeout: + if not self.output_queue.empty(): + return False + await asyncio.sleep(interval) + return self.output_queue.empty() diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/timeout.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/timeout.py new file mode 100644 index 0000000..2171a26 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/timeout.py @@ -0,0 +1,127 @@ +# This code is originally sourced from the aio-libs project "async_timeout", +# under the Apache 2.0 license. You may see the original project at +# https://github.com/aio-libs/async-timeout + +# It is vendored here to reduce chain-dependencies on this library, and +# modified slightly to remove some features we don't use. + + +import asyncio +import sys +from types import TracebackType +from typing import Any, Optional, Type + + +class timeout: + """timeout context manager. + + Useful in cases when you want to apply timeout logic around block + of code or in cases when asyncio.wait_for is not suitable. For example: + + >>> with timeout(0.001): + ... async with aiohttp.get('https://github.com') as r: + ... await r.text() + + + timeout - value in seconds or None to disable timeout logic + loop - asyncio compatible event loop + """ + + def __init__( + self, + timeout: Optional[float], + *, + loop: Optional[asyncio.AbstractEventLoop] = None, + ) -> None: + self._timeout = timeout + if loop is None: + loop = asyncio.get_event_loop() + self._loop = loop + self._task = None # type: Optional[asyncio.Task[Any]] + self._cancelled = False + self._cancel_handler = None # type: Optional[asyncio.Handle] + self._cancel_at = None # type: Optional[float] + + def __enter__(self) -> "timeout": + return self._do_enter() + + def __exit__( + self, + exc_type: Type[BaseException], + exc_val: BaseException, + exc_tb: TracebackType, + ) -> Optional[bool]: + self._do_exit(exc_type) + return None + + async def __aenter__(self) -> "timeout": + return self._do_enter() + + async def __aexit__( + self, + exc_type: Type[BaseException], + exc_val: BaseException, + exc_tb: TracebackType, + ) -> None: + self._do_exit(exc_type) + + @property + def expired(self) -> bool: + return self._cancelled + + @property + def remaining(self) -> Optional[float]: + if self._cancel_at is not None: + return max(self._cancel_at - self._loop.time(), 0.0) + else: + return None + + def _do_enter(self) -> "timeout": + # Support Tornado 5- without timeout + # Details: https://github.com/python/asyncio/issues/392 + if self._timeout is None: + return self + + self._task = current_task(self._loop) + if self._task is None: + raise RuntimeError( + "Timeout context manager should be used " "inside a task" + ) + + if self._timeout <= 0: + self._loop.call_soon(self._cancel_task) + return self + + self._cancel_at = self._loop.time() + self._timeout + self._cancel_handler = self._loop.call_at(self._cancel_at, self._cancel_task) + return self + + def _do_exit(self, exc_type: Type[BaseException]) -> None: + if exc_type is asyncio.CancelledError and self._cancelled: + self._cancel_handler = None + self._task = None + raise asyncio.TimeoutError + if self._timeout is not None and self._cancel_handler is not None: + self._cancel_handler.cancel() + self._cancel_handler = None + self._task = None + return None + + def _cancel_task(self) -> None: + if self._task is not None: + self._task.cancel() + self._cancelled = True + + +def current_task(loop: asyncio.AbstractEventLoop) -> "Optional[asyncio.Task[Any]]": + if sys.version_info >= (3, 7): + task = asyncio.current_task(loop=loop) + else: + task = asyncio.Task.current_task(loop=loop) + if task is None: + # this should be removed, tokio must use register_task and family API + fn = getattr(loop, "current_task", None) + if fn is not None: + task = fn() + + return task diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/typing.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/typing.py new file mode 100644 index 0000000..c8c2e78 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/typing.py @@ -0,0 +1,287 @@ +import sys +import warnings +from typing import ( + Any, + Awaitable, + Callable, + Dict, + Iterable, + List, + Optional, + Tuple, + Type, + Union, +) + +from asgiref._pep562 import pep562 + +if sys.version_info >= (3, 8): + from typing import Literal, Protocol, TypedDict +else: + from typing_extensions import Literal, Protocol, TypedDict + +__all__ = ( + "ASGIVersions", + "HTTPScope", + "WebSocketScope", + "LifespanScope", + "WWWScope", + "Scope", + "HTTPRequestEvent", + "HTTPResponseStartEvent", + "HTTPResponseBodyEvent", + "HTTPServerPushEvent", + "HTTPDisconnectEvent", + "WebSocketConnectEvent", + "WebSocketAcceptEvent", + "WebSocketReceiveEvent", + "WebSocketSendEvent", + "WebSocketResponseStartEvent", + "WebSocketResponseBodyEvent", + "WebSocketDisconnectEvent", + "WebSocketCloseEvent", + "LifespanStartupEvent", + "LifespanShutdownEvent", + "LifespanStartupCompleteEvent", + "LifespanStartupFailedEvent", + "LifespanShutdownCompleteEvent", + "LifespanShutdownFailedEvent", + "ASGIReceiveEvent", + "ASGISendEvent", + "ASGIReceiveCallable", + "ASGISendCallable", + "ASGI2Protocol", + "ASGI2Application", + "ASGI3Application", + "ASGIApplication", +) + + +class ASGIVersions(TypedDict): + spec_version: str + version: Union[Literal["2.0"], Literal["3.0"]] + + +class HTTPScope(TypedDict): + type: Literal["http"] + asgi: ASGIVersions + http_version: str + method: str + scheme: str + path: str + raw_path: bytes + query_string: bytes + root_path: str + headers: Iterable[Tuple[bytes, bytes]] + client: Optional[Tuple[str, int]] + server: Optional[Tuple[str, Optional[int]]] + extensions: Optional[Dict[str, Dict[object, object]]] + + +class WebSocketScope(TypedDict): + type: Literal["websocket"] + asgi: ASGIVersions + http_version: str + scheme: str + path: str + raw_path: bytes + query_string: bytes + root_path: str + headers: Iterable[Tuple[bytes, bytes]] + client: Optional[Tuple[str, int]] + server: Optional[Tuple[str, Optional[int]]] + subprotocols: Iterable[str] + extensions: Optional[Dict[str, Dict[object, object]]] + + +class LifespanScope(TypedDict): + type: Literal["lifespan"] + asgi: ASGIVersions + + +WWWScope = Union[HTTPScope, WebSocketScope] +Scope = Union[HTTPScope, WebSocketScope, LifespanScope] + + +class HTTPRequestEvent(TypedDict): + type: Literal["http.request"] + body: bytes + more_body: bool + + +class HTTPResponseStartEvent(TypedDict): + type: Literal["http.response.start"] + status: int + headers: Iterable[Tuple[bytes, bytes]] + + +class HTTPResponseBodyEvent(TypedDict): + type: Literal["http.response.body"] + body: bytes + more_body: bool + + +class HTTPServerPushEvent(TypedDict): + type: Literal["http.response.push"] + path: str + headers: Iterable[Tuple[bytes, bytes]] + + +class HTTPDisconnectEvent(TypedDict): + type: Literal["http.disconnect"] + + +class WebSocketConnectEvent(TypedDict): + type: Literal["websocket.connect"] + + +class WebSocketAcceptEvent(TypedDict): + type: Literal["websocket.accept"] + subprotocol: Optional[str] + headers: Iterable[Tuple[bytes, bytes]] + + +class WebSocketReceiveEvent(TypedDict): + type: Literal["websocket.receive"] + bytes: Optional[bytes] + text: Optional[str] + + +class WebSocketSendEvent(TypedDict): + type: Literal["websocket.send"] + bytes: Optional[bytes] + text: Optional[str] + + +class WebSocketResponseStartEvent(TypedDict): + type: Literal["websocket.http.response.start"] + status: int + headers: Iterable[Tuple[bytes, bytes]] + + +class WebSocketResponseBodyEvent(TypedDict): + type: Literal["websocket.http.response.body"] + body: bytes + more_body: bool + + +class WebSocketDisconnectEvent(TypedDict): + type: Literal["websocket.disconnect"] + code: int + + +class WebSocketCloseEvent(TypedDict): + type: Literal["websocket.close"] + code: int + reason: Optional[str] + + +class LifespanStartupEvent(TypedDict): + type: Literal["lifespan.startup"] + + +class LifespanShutdownEvent(TypedDict): + type: Literal["lifespan.shutdown"] + + +class LifespanStartupCompleteEvent(TypedDict): + type: Literal["lifespan.startup.complete"] + + +class LifespanStartupFailedEvent(TypedDict): + type: Literal["lifespan.startup.failed"] + message: str + + +class LifespanShutdownCompleteEvent(TypedDict): + type: Literal["lifespan.shutdown.complete"] + + +class LifespanShutdownFailedEvent(TypedDict): + type: Literal["lifespan.shutdown.failed"] + message: str + + +ASGIReceiveEvent = Union[ + HTTPRequestEvent, + HTTPDisconnectEvent, + WebSocketConnectEvent, + WebSocketReceiveEvent, + WebSocketDisconnectEvent, + LifespanStartupEvent, + LifespanShutdownEvent, +] + + +ASGISendEvent = Union[ + HTTPResponseStartEvent, + HTTPResponseBodyEvent, + HTTPServerPushEvent, + HTTPDisconnectEvent, + WebSocketAcceptEvent, + WebSocketSendEvent, + WebSocketResponseStartEvent, + WebSocketResponseBodyEvent, + WebSocketCloseEvent, + LifespanStartupCompleteEvent, + LifespanStartupFailedEvent, + LifespanShutdownCompleteEvent, + LifespanShutdownFailedEvent, +] + + +ASGIReceiveCallable = Callable[[], Awaitable[ASGIReceiveEvent]] +ASGISendCallable = Callable[[ASGISendEvent], Awaitable[None]] + + +class ASGI2Protocol(Protocol): + def __init__(self, scope: Scope) -> None: + ... + + async def __call__( + self, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + ... + + +ASGI2Application = Type[ASGI2Protocol] +ASGI3Application = Callable[ + [ + Scope, + ASGIReceiveCallable, + ASGISendCallable, + ], + Awaitable[None], +] +ASGIApplication = Union[ASGI2Application, ASGI3Application] + +__deprecated__ = { + "WebsocketConnectEvent": WebSocketConnectEvent, + "WebsocketAcceptEvent": WebSocketAcceptEvent, + "WebsocketReceiveEvent": WebSocketReceiveEvent, + "WebsocketSendEvent": WebSocketSendEvent, + "WebsocketResponseStartEvent": WebSocketResponseStartEvent, + "WebsocketResponseBodyEvent": WebSocketResponseBodyEvent, + "WebsocketDisconnectEvent": WebSocketDisconnectEvent, + "WebsocketCloseEvent": WebSocketCloseEvent, +} + + +def __getattr__(name: str) -> Any: + deprecated = __deprecated__.get(name) + if deprecated: + stacklevel = 3 if sys.version_info >= (3, 7) else 4 + warnings.warn( + f"'{name}' is deprecated. Use '{deprecated.__name__}' instead.", + category=DeprecationWarning, + stacklevel=stacklevel, + ) + return deprecated + raise AttributeError(f"module '{__name__}' has no attribute '{name}'") + + +def __dir__() -> List[str]: + return sorted(list(__all__) + list(__deprecated__.keys())) + + +pep562(__name__) diff --git a/backend/mb-env/lib/python3.9/site-packages/asgiref/wsgi.py b/backend/mb-env/lib/python3.9/site-packages/asgiref/wsgi.py new file mode 100644 index 0000000..40fba20 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/asgiref/wsgi.py @@ -0,0 +1,162 @@ +from io import BytesIO +from tempfile import SpooledTemporaryFile + +from asgiref.sync import AsyncToSync, sync_to_async + + +class WsgiToAsgi: + """ + Wraps a WSGI application to make it into an ASGI application. + """ + + def __init__(self, wsgi_application): + self.wsgi_application = wsgi_application + + async def __call__(self, scope, receive, send): + """ + ASGI application instantiation point. + We return a new WsgiToAsgiInstance here with the WSGI app + and the scope, ready to respond when it is __call__ed. + """ + await WsgiToAsgiInstance(self.wsgi_application)(scope, receive, send) + + +class WsgiToAsgiInstance: + """ + Per-socket instance of a wrapped WSGI application + """ + + def __init__(self, wsgi_application): + self.wsgi_application = wsgi_application + self.response_started = False + self.response_content_length = None + + async def __call__(self, scope, receive, send): + if scope["type"] != "http": + raise ValueError("WSGI wrapper received a non-HTTP scope") + self.scope = scope + with SpooledTemporaryFile(max_size=65536) as body: + # Alright, wait for the http.request messages + while True: + message = await receive() + if message["type"] != "http.request": + raise ValueError("WSGI wrapper received a non-HTTP-request message") + body.write(message.get("body", b"")) + if not message.get("more_body"): + break + body.seek(0) + # Wrap send so it can be called from the subthread + self.sync_send = AsyncToSync(send) + # Call the WSGI app + await self.run_wsgi_app(body) + + def build_environ(self, scope, body): + """ + Builds a scope and request body into a WSGI environ object. + """ + environ = { + "REQUEST_METHOD": scope["method"], + "SCRIPT_NAME": scope.get("root_path", "").encode("utf8").decode("latin1"), + "PATH_INFO": scope["path"].encode("utf8").decode("latin1"), + "QUERY_STRING": scope["query_string"].decode("ascii"), + "SERVER_PROTOCOL": "HTTP/%s" % scope["http_version"], + "wsgi.version": (1, 0), + "wsgi.url_scheme": scope.get("scheme", "http"), + "wsgi.input": body, + "wsgi.errors": BytesIO(), + "wsgi.multithread": True, + "wsgi.multiprocess": True, + "wsgi.run_once": False, + } + # Get server name and port - required in WSGI, not in ASGI + if "server" in scope: + environ["SERVER_NAME"] = scope["server"][0] + environ["SERVER_PORT"] = str(scope["server"][1]) + else: + environ["SERVER_NAME"] = "localhost" + environ["SERVER_PORT"] = "80" + + if "client" in scope: + environ["REMOTE_ADDR"] = scope["client"][0] + + # Go through headers and make them into environ entries + for name, value in self.scope.get("headers", []): + name = name.decode("latin1") + if name == "content-length": + corrected_name = "CONTENT_LENGTH" + elif name == "content-type": + corrected_name = "CONTENT_TYPE" + else: + corrected_name = "HTTP_%s" % name.upper().replace("-", "_") + # HTTPbis say only ASCII chars are allowed in headers, but we latin1 just in case + value = value.decode("latin1") + if corrected_name in environ: + value = environ[corrected_name] + "," + value + environ[corrected_name] = value + return environ + + def start_response(self, status, response_headers, exc_info=None): + """ + WSGI start_response callable. + """ + # Don't allow re-calling once response has begun + if self.response_started: + raise exc_info[1].with_traceback(exc_info[2]) + # Don't allow re-calling without exc_info + if hasattr(self, "response_start") and exc_info is None: + raise ValueError( + "You cannot call start_response a second time without exc_info" + ) + # Extract status code + status_code, _ = status.split(" ", 1) + status_code = int(status_code) + # Extract headers + headers = [ + (name.lower().encode("ascii"), value.encode("ascii")) + for name, value in response_headers + ] + # Extract content-length + self.response_content_length = None + for name, value in response_headers: + if name.lower() == "content-length": + self.response_content_length = int(value) + # Build and send response start message. + self.response_start = { + "type": "http.response.start", + "status": status_code, + "headers": headers, + } + + @sync_to_async + def run_wsgi_app(self, body): + """ + Called in a subthread to run the WSGI app. We encapsulate like + this so that the start_response callable is called in the same thread. + """ + # Translate the scope and incoming request body into a WSGI environ + environ = self.build_environ(self.scope, body) + # Run the WSGI app + bytes_sent = 0 + for output in self.wsgi_application(environ, self.start_response): + # If this is the first response, include the response headers + if not self.response_started: + self.response_started = True + self.sync_send(self.response_start) + # If the application supplies a Content-Length header + if self.response_content_length is not None: + # The server should not transmit more bytes to the client than the header allows + bytes_allowed = self.response_content_length - bytes_sent + if len(output) > bytes_allowed: + output = output[:bytes_allowed] + self.sync_send( + {"type": "http.response.body", "body": output, "more_body": True} + ) + bytes_sent += len(output) + # The server should stop iterating over the response when enough data has been sent + if bytes_sent == self.response_content_length: + break + # Close connection + if not self.response_started: + self.response_started = True + self.sync_send(self.response_start) + self.sync_send({"type": "http.response.body"}) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/LICENSE new file mode 100644 index 0000000..182e0fb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/LICENSE @@ -0,0 +1,508 @@ + + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James + Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/METADATA new file mode 100644 index 0000000..bdfb896 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/METADATA @@ -0,0 +1,130 @@ +Metadata-Version: 2.1 +Name: astroid +Version: 2.6.6 +Summary: An abstract syntax tree for Python with inference support. +Home-page: https://github.com/PyCQA/astroid +Author: Python Code Quality Authority +Author-email: code-quality@python.org +License: LGPL-2.1-or-later +Project-URL: Bug tracker, https://github.com/PyCQA/astroid/issues +Project-URL: Discord server, https://discord.gg/Egy6P8AMB5 +Keywords: static code analysis,python,abstract syntax tree +Platform: UNKNOWN +Classifier: Development Status :: 6 - Mature +Classifier: Environment :: Console +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: GNU Lesser General Public License v2 (LGPLv2) +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Software Development :: Quality Assurance +Classifier: Topic :: Software Development :: Testing +Requires-Python: ~=3.6 +Description-Content-Type: text/x-rst +License-File: LICENSE +Requires-Dist: lazy-object-proxy (>=1.4.0) +Requires-Dist: wrapt (<1.13,>=1.11) +Requires-Dist: setuptools (>=20.0) +Requires-Dist: typed-ast (<1.5,>=1.4.0) ; implementation_name == "cpython" and python_version < "3.8" +Requires-Dist: typing-extensions (>=3.7.4) ; python_version < "3.8" + +Astroid +======= + +.. image:: https://coveralls.io/repos/github/PyCQA/astroid/badge.svg?branch=main + :target: https://coveralls.io/github/PyCQA/astroid?branch=main + +.. image:: https://readthedocs.org/projects/astroid/badge/?version=latest + :target: http://astroid.readthedocs.io/en/latest/?badge=latest + :alt: Documentation Status + +.. image:: https://img.shields.io/badge/code%20style-black-000000.svg + :target: https://github.com/ambv/black + +.. image:: https://results.pre-commit.ci/badge/github/PyCQA/astroid/main.svg + :target: https://results.pre-commit.ci/latest/github/PyCQA/astroid/main + :alt: pre-commit.ci status + +.. |tideliftlogo| image:: https://raw.githubusercontent.com/PyCQA/astroid/main/doc/media/Tidelift_Logos_RGB_Tidelift_Shorthand_On-White.png + :width: 75 + :height: 60 + :alt: Tidelift + +.. list-table:: + :widths: 10 100 + + * - |tideliftlogo| + - Professional support for astroid is available as part of the `Tidelift + Subscription`_. Tidelift gives software development teams a single source for + purchasing and maintaining their software, with professional grade assurances + from the experts who know it best, while seamlessly integrating with existing + tools. + +.. _Tidelift Subscription: https://tidelift.com/subscription/pkg/pypi-astroid?utm_source=pypi-astroid&utm_medium=referral&utm_campaign=readme + + + +What's this? +------------ + +The aim of this module is to provide a common base representation of +python source code. It is currently the library powering pylint's capabilities. + +It provides a compatible representation which comes from the `_ast` +module. It rebuilds the tree generated by the builtin _ast module by +recursively walking down the AST and building an extended ast. The new +node classes have additional methods and attributes for different +usages. They include some support for static inference and local name +scopes. Furthermore, astroid can also build partial trees by inspecting living +objects. + + +Installation +------------ + +Extract the tarball, jump into the created directory and run:: + + pip install . + + +If you want to do an editable installation, you can run:: + + pip install -e . + + +If you have any questions, please mail the code-quality@python.org +mailing list for support. See +http://mail.python.org/mailman/listinfo/code-quality for subscription +information and archives. + +Documentation +------------- +http://astroid.readthedocs.io/en/latest/ + + +Python Versions +--------------- + +astroid 2.0 is currently available for Python 3 only. If you want Python 2 +support, use an older version of astroid (though note that these versions +are no longer supported). + +Test +---- + +Tests are in the 'test' subdirectory. To launch the whole tests suite, you can use +either `tox` or `pytest`:: + + tox + pytest astroid + + diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/RECORD new file mode 100644 index 0000000..9d765e9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/RECORD @@ -0,0 +1,167 @@ +astroid-2.6.6.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +astroid-2.6.6.dist-info/LICENSE,sha256=_qFr2p5zTeoNnI2fW5CYeO9BcWJjVDKWCf_889tCyyQ,26516 +astroid-2.6.6.dist-info/METADATA,sha256=QeDJXjUEQyt5VGQ7rbZgrX89oDDsrCN-jId001pdZV0,4618 +astroid-2.6.6.dist-info/RECORD,, +astroid-2.6.6.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +astroid-2.6.6.dist-info/WHEEL,sha256=OqRkF0eY5GHssMorFjlbTIq072vpHpF60fIQA6lS9xA,92 +astroid-2.6.6.dist-info/top_level.txt,sha256=HsdW4O2x7ZXRj6k-agi3RaQybGLobI3VSE-jt4vQUXM,8 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a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/top_level.txt new file mode 100644 index 0000000..450d4fe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid-2.6.6.dist-info/top_level.txt @@ -0,0 +1 @@ +astroid diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/__init__.py b/backend/mb-env/lib/python3.9/site-packages/astroid/__init__.py new file mode 100644 index 0000000..f4f8c49 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/__init__.py @@ -0,0 +1,71 @@ +# Copyright (c) 2006-2013, 2015 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2016 Moises Lopez +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2019 Nick Drozd +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Python Abstract Syntax Tree New Generation + +The aim of this module is to provide a common base representation of +python source code for projects such as pychecker, pyreverse, +pylint... Well, actually the development of this library is essentially +governed by pylint's needs. + +It extends class defined in the python's _ast module with some +additional methods and attributes. Instance attributes are added by a +builder object, which can either generate extended ast (let's call +them astroid ;) by visiting an existent ast tree or by inspecting living +object. Methods are added by monkey patching ast classes. + +Main modules are: + +* nodes and scoped_nodes for more information about methods and + attributes added to different node classes + +* the manager contains a high level object to get astroid trees from + source files and living objects. It maintains a cache of previously + constructed tree for quick access + +* builder contains the class responsible to build astroid trees +""" + +from importlib import import_module +from pathlib import Path + +# isort: off +# We have an isort: off on '__version__' because the packaging need to access +# the version before the dependencies are installed (in particular 'wrapt' +# that is imported in astroid.inference) +from astroid.__pkginfo__ import __version__, version + +# isort: on + +from astroid import inference, raw_building +from astroid.astroid_manager import MANAGER +from astroid.bases import BaseInstance, BoundMethod, Instance, UnboundMethod +from astroid.brain.helpers import register_module_extender +from astroid.builder import extract_node, parse +from astroid.const import Context, Del, Load, Store +from astroid.exceptions import * +from astroid.inference_tip import _inference_tip_cached, inference_tip +from astroid.node_classes import are_exclusive, unpack_infer +from astroid.nodes import * # pylint: disable=redefined-builtin (Ellipsis) +from astroid.scoped_nodes import builtin_lookup +from astroid.util import Uninferable + +# load brain plugins +ASTROID_INSTALL_DIRECTORY = Path(__file__).parent +BRAIN_MODULES_DIRECTORY = ASTROID_INSTALL_DIRECTORY / "brain" +for module in BRAIN_MODULES_DIRECTORY.iterdir(): + if module.suffix == ".py": + import_module(f"astroid.brain.{module.stem}") diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/__pkginfo__.py b/backend/mb-env/lib/python3.9/site-packages/astroid/__pkginfo__.py new file mode 100644 index 0000000..3bc315e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/__pkginfo__.py @@ -0,0 +1,28 @@ +# Copyright (c) 2006-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2015-2017 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2015 Radosław Ganczarek +# Copyright (c) 2016 Moises Lopez +# Copyright (c) 2017 Hugo +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2017 Calen Pennington +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Ashley Whetter +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2019 Uilian Ries +# Copyright (c) 2019 Thomas Hisch +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 David Gilman +# Copyright (c) 2020 Konrad Weihmann +# Copyright (c) 2020 Felix Mölder +# Copyright (c) 2020 Michael +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +__version__ = "2.6.6" +version = __version__ diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/_ast.py b/backend/mb-env/lib/python3.9/site-packages/astroid/_ast.py new file mode 100644 index 0000000..37f8783 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/_ast.py @@ -0,0 +1,129 @@ +import ast +import sys +from collections import namedtuple +from functools import partial +from typing import Dict, Optional + +from astroid.const import PY38_PLUS, Context + +try: + import typed_ast.ast3 as _ast_py3 +except ImportError: + _ast_py3 = None + + +if PY38_PLUS: + # On Python 3.8, typed_ast was merged back into `ast` + _ast_py3 = ast + + +FunctionType = namedtuple("FunctionType", ["argtypes", "returns"]) + + +class ParserModule( + namedtuple( + "ParserModule", + [ + "module", + "unary_op_classes", + "cmp_op_classes", + "bool_op_classes", + "bin_op_classes", + "context_classes", + ], + ) +): + def parse(self, string: str, type_comments=True): + if self.module is _ast_py3: + if PY38_PLUS: + parse_func = partial(self.module.parse, type_comments=type_comments) + else: + parse_func = partial( + self.module.parse, feature_version=sys.version_info.minor + ) + else: + parse_func = self.module.parse + return parse_func(string) + + +def parse_function_type_comment(type_comment: str) -> Optional[FunctionType]: + """Given a correct type comment, obtain a FunctionType object""" + if _ast_py3 is None: + return None + + func_type = _ast_py3.parse(type_comment, "", "func_type") + return FunctionType(argtypes=func_type.argtypes, returns=func_type.returns) + + +def get_parser_module(type_comments=True) -> ParserModule: + if not type_comments: + parser_module = ast + else: + parser_module = _ast_py3 + parser_module = parser_module or ast + + unary_op_classes = _unary_operators_from_module(parser_module) + cmp_op_classes = _compare_operators_from_module(parser_module) + bool_op_classes = _bool_operators_from_module(parser_module) + bin_op_classes = _binary_operators_from_module(parser_module) + context_classes = _contexts_from_module(parser_module) + + return ParserModule( + parser_module, + unary_op_classes, + cmp_op_classes, + bool_op_classes, + bin_op_classes, + context_classes, + ) + + +def _unary_operators_from_module(module): + return {module.UAdd: "+", module.USub: "-", module.Not: "not", module.Invert: "~"} + + +def _binary_operators_from_module(module): + binary_operators = { + module.Add: "+", + module.BitAnd: "&", + module.BitOr: "|", + module.BitXor: "^", + module.Div: "/", + module.FloorDiv: "//", + module.MatMult: "@", + module.Mod: "%", + module.Mult: "*", + module.Pow: "**", + module.Sub: "-", + module.LShift: "<<", + module.RShift: ">>", + } + return binary_operators + + +def _bool_operators_from_module(module): + return {module.And: "and", module.Or: "or"} + + +def _compare_operators_from_module(module): + return { + module.Eq: "==", + module.Gt: ">", + module.GtE: ">=", + module.In: "in", + module.Is: "is", + module.IsNot: "is not", + module.Lt: "<", + module.LtE: "<=", + module.NotEq: "!=", + module.NotIn: "not in", + } + + +def _contexts_from_module(module) -> Dict[ast.expr_context, Context]: + return { + module.Load: Context.Load, + module.Store: Context.Store, + module.Del: Context.Del, + module.Param: Context.Store, + } diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/arguments.py b/backend/mb-env/lib/python3.9/site-packages/astroid/arguments.py new file mode 100644 index 0000000..3ee77ef --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/arguments.py @@ -0,0 +1,311 @@ +# Copyright (c) 2015-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Anthony Sottile +# Copyright (c) 2020 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +from astroid import bases +from astroid import context as contextmod +from astroid import nodes, util +from astroid.context import CallContext +from astroid.exceptions import InferenceError, NoDefault + + +class CallSite: + """Class for understanding arguments passed into a call site + + It needs a call context, which contains the arguments and the + keyword arguments that were passed into a given call site. + In order to infer what an argument represents, call :meth:`infer_argument` + with the corresponding function node and the argument name. + + :param callcontext: + An instance of :class:`astroid.context.CallContext`, that holds + the arguments for the call site. + :param argument_context_map: + Additional contexts per node, passed in from :attr:`astroid.context.Context.extra_context` + :param context: + An instance of :class:`astroid.context.Context`. + """ + + def __init__( + self, callcontext: CallContext, argument_context_map=None, context=None + ): + if argument_context_map is None: + argument_context_map = {} + self.argument_context_map = argument_context_map + args = callcontext.args + keywords = callcontext.keywords + self.duplicated_keywords = set() + self._unpacked_args = self._unpack_args(args, context=context) + self._unpacked_kwargs = self._unpack_keywords(keywords, context=context) + + self.positional_arguments = [ + arg for arg in self._unpacked_args if arg is not util.Uninferable + ] + self.keyword_arguments = { + key: value + for key, value in self._unpacked_kwargs.items() + if value is not util.Uninferable + } + + @classmethod + def from_call(cls, call_node, context=None): + """Get a CallSite object from the given Call node. + + :param context: + An instance of :class:`astroid.context.Context` that will be used + to force a single inference path. + """ + + # Determine the callcontext from the given `context` object if any. + context = context or contextmod.InferenceContext() + callcontext = contextmod.CallContext(call_node.args, call_node.keywords) + return cls(callcontext, context=context) + + def has_invalid_arguments(self): + """Check if in the current CallSite were passed *invalid* arguments + + This can mean multiple things. For instance, if an unpacking + of an invalid object was passed, then this method will return True. + Other cases can be when the arguments can't be inferred by astroid, + for example, by passing objects which aren't known statically. + """ + return len(self.positional_arguments) != len(self._unpacked_args) + + def has_invalid_keywords(self): + """Check if in the current CallSite were passed *invalid* keyword arguments + + For instance, unpacking a dictionary with integer keys is invalid + (**{1:2}), because the keys must be strings, which will make this + method to return True. Other cases where this might return True if + objects which can't be inferred were passed. + """ + return len(self.keyword_arguments) != len(self._unpacked_kwargs) + + def _unpack_keywords(self, keywords, context=None): + values = {} + context = context or contextmod.InferenceContext() + context.extra_context = self.argument_context_map + for name, value in keywords: + if name is None: + # Then it's an unpacking operation (**) + try: + inferred = next(value.infer(context=context)) + except InferenceError: + values[name] = util.Uninferable + continue + except StopIteration: + continue + + if not isinstance(inferred, nodes.Dict): + # Not something we can work with. + values[name] = util.Uninferable + continue + + for dict_key, dict_value in inferred.items: + try: + dict_key = next(dict_key.infer(context=context)) + except InferenceError: + values[name] = util.Uninferable + continue + except StopIteration: + continue + if not isinstance(dict_key, nodes.Const): + values[name] = util.Uninferable + continue + if not isinstance(dict_key.value, str): + values[name] = util.Uninferable + continue + if dict_key.value in values: + # The name is already in the dictionary + values[dict_key.value] = util.Uninferable + self.duplicated_keywords.add(dict_key.value) + continue + values[dict_key.value] = dict_value + else: + values[name] = value + return values + + def _unpack_args(self, args, context=None): + values = [] + context = context or contextmod.InferenceContext() + context.extra_context = self.argument_context_map + for arg in args: + if isinstance(arg, nodes.Starred): + try: + inferred = next(arg.value.infer(context=context)) + except InferenceError: + values.append(util.Uninferable) + continue + except StopIteration: + continue + + if inferred is util.Uninferable: + values.append(util.Uninferable) + continue + if not hasattr(inferred, "elts"): + values.append(util.Uninferable) + continue + values.extend(inferred.elts) + else: + values.append(arg) + return values + + def infer_argument(self, funcnode, name, context): + """infer a function argument value according to the call context + + Arguments: + funcnode: The function being called. + name: The name of the argument whose value is being inferred. + context: Inference context object + """ + if name in self.duplicated_keywords: + raise InferenceError( + "The arguments passed to {func!r} " " have duplicate keywords.", + call_site=self, + func=funcnode, + arg=name, + context=context, + ) + + # Look into the keywords first, maybe it's already there. + try: + return self.keyword_arguments[name].infer(context) + except KeyError: + pass + + # Too many arguments given and no variable arguments. + if len(self.positional_arguments) > len(funcnode.args.args): + if not funcnode.args.vararg and not funcnode.args.posonlyargs: + raise InferenceError( + "Too many positional arguments " + "passed to {func!r} that does " + "not have *args.", + call_site=self, + func=funcnode, + arg=name, + context=context, + ) + + positional = self.positional_arguments[: len(funcnode.args.args)] + vararg = self.positional_arguments[len(funcnode.args.args) :] + argindex = funcnode.args.find_argname(name)[0] + kwonlyargs = {arg.name for arg in funcnode.args.kwonlyargs} + kwargs = { + key: value + for key, value in self.keyword_arguments.items() + if key not in kwonlyargs + } + # If there are too few positionals compared to + # what the function expects to receive, check to see + # if the missing positional arguments were passed + # as keyword arguments and if so, place them into the + # positional args list. + if len(positional) < len(funcnode.args.args): + for func_arg in funcnode.args.args: + if func_arg.name in kwargs: + arg = kwargs.pop(func_arg.name) + positional.append(arg) + + if argindex is not None: + # 2. first argument of instance/class method + if argindex == 0 and funcnode.type in ("method", "classmethod"): + if context.boundnode is not None: + boundnode = context.boundnode + else: + # XXX can do better ? + boundnode = funcnode.parent.frame() + + if isinstance(boundnode, nodes.ClassDef): + # Verify that we're accessing a method + # of the metaclass through a class, as in + # `cls.metaclass_method`. In this case, the + # first argument is always the class. + method_scope = funcnode.parent.scope() + if method_scope is boundnode.metaclass(): + return iter((boundnode,)) + + if funcnode.type == "method": + if not isinstance(boundnode, bases.Instance): + boundnode = boundnode.instantiate_class() + return iter((boundnode,)) + if funcnode.type == "classmethod": + return iter((boundnode,)) + # if we have a method, extract one position + # from the index, so we'll take in account + # the extra parameter represented by `self` or `cls` + if funcnode.type in ("method", "classmethod"): + argindex -= 1 + # 2. search arg index + try: + return self.positional_arguments[argindex].infer(context) + except IndexError: + pass + + if funcnode.args.kwarg == name: + # It wants all the keywords that were passed into + # the call site. + if self.has_invalid_keywords(): + raise InferenceError( + "Inference failed to find values for all keyword arguments " + "to {func!r}: {unpacked_kwargs!r} doesn't correspond to " + "{keyword_arguments!r}.", + keyword_arguments=self.keyword_arguments, + unpacked_kwargs=self._unpacked_kwargs, + call_site=self, + func=funcnode, + arg=name, + context=context, + ) + kwarg = nodes.Dict( + lineno=funcnode.args.lineno, + col_offset=funcnode.args.col_offset, + parent=funcnode.args, + ) + kwarg.postinit( + [(nodes.const_factory(key), value) for key, value in kwargs.items()] + ) + return iter((kwarg,)) + if funcnode.args.vararg == name: + # It wants all the args that were passed into + # the call site. + if self.has_invalid_arguments(): + raise InferenceError( + "Inference failed to find values for all positional " + "arguments to {func!r}: {unpacked_args!r} doesn't " + "correspond to {positional_arguments!r}.", + positional_arguments=self.positional_arguments, + unpacked_args=self._unpacked_args, + call_site=self, + func=funcnode, + arg=name, + context=context, + ) + args = nodes.Tuple( + lineno=funcnode.args.lineno, + col_offset=funcnode.args.col_offset, + parent=funcnode.args, + ) + args.postinit(vararg) + return iter((args,)) + + # Check if it's a default parameter. + try: + return funcnode.args.default_value(name).infer(context) + except NoDefault: + pass + raise InferenceError( + "No value found for argument {arg} to {func!r}", + call_site=self, + func=funcnode, + arg=name, + context=context, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/as_string.py b/backend/mb-env/lib/python3.9/site-packages/astroid/as_string.py new file mode 100644 index 0000000..d081e72 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/as_string.py @@ -0,0 +1,674 @@ +# Copyright (c) 2009-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2010 Daniel Harding +# Copyright (c) 2013-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Jared Garst +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2017, 2019 Łukasz Rogalski +# Copyright (c) 2017 rr- +# Copyright (c) 2018 Serhiy Storchaka +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 brendanator +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2019 Alex Hall +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 pre-commit-ci[bot] + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""This module renders Astroid nodes as string: + +* :func:`to_code` function return equivalent (hopefully valid) python string + +* :func:`dump` function return an internal representation of nodes found + in the tree, useful for debugging or understanding the tree structure +""" +from typing import TYPE_CHECKING + +if TYPE_CHECKING: + from .node_classes import ( + Match, + MatchAs, + MatchCase, + MatchClass, + MatchMapping, + MatchOr, + MatchSequence, + MatchSingleton, + MatchStar, + MatchValue, + ) + +# pylint: disable=unused-argument + +DOC_NEWLINE = "\0" + + +class AsStringVisitor: + """Visitor to render an Astroid node as a valid python code string""" + + def __init__(self, indent): + self.indent = indent + + def __call__(self, node): + """Makes this visitor behave as a simple function""" + return node.accept(self).replace(DOC_NEWLINE, "\n") + + def _docs_dedent(self, doc): + """Stop newlines in docs being indented by self._stmt_list""" + return '\n{}"""{}"""'.format(self.indent, doc.replace("\n", DOC_NEWLINE)) + + def _stmt_list(self, stmts, indent=True): + """return a list of nodes to string""" + stmts = "\n".join(nstr for nstr in [n.accept(self) for n in stmts] if nstr) + if indent: + return self.indent + stmts.replace("\n", "\n" + self.indent) + + return stmts + + def _precedence_parens(self, node, child, is_left=True): + """Wrap child in parens only if required to keep same semantics""" + if self._should_wrap(node, child, is_left): + return "(%s)" % child.accept(self) + + return child.accept(self) + + def _should_wrap(self, node, child, is_left): + """Wrap child if: + - it has lower precedence + - same precedence with position opposite to associativity direction + """ + node_precedence = node.op_precedence() + child_precedence = child.op_precedence() + + if node_precedence > child_precedence: + # 3 * (4 + 5) + return True + + if ( + node_precedence == child_precedence + and is_left != node.op_left_associative() + ): + # 3 - (4 - 5) + # (2**3)**4 + return True + + return False + + # visit_ methods ########################################### + + def visit_await(self, node): + return "await %s" % node.value.accept(self) + + def visit_asyncwith(self, node): + return "async %s" % self.visit_with(node) + + def visit_asyncfor(self, node): + return "async %s" % self.visit_for(node) + + def visit_arguments(self, node): + """return an astroid.Function node as string""" + return node.format_args() + + def visit_assignattr(self, node): + """return an astroid.AssAttr node as string""" + return self.visit_attribute(node) + + def visit_assert(self, node): + """return an astroid.Assert node as string""" + if node.fail: + return "assert {}, {}".format( + node.test.accept(self), node.fail.accept(self) + ) + return "assert %s" % node.test.accept(self) + + def visit_assignname(self, node): + """return an astroid.AssName node as string""" + return node.name + + def visit_assign(self, node): + """return an astroid.Assign node as string""" + lhs = " = ".join(n.accept(self) for n in node.targets) + return f"{lhs} = {node.value.accept(self)}" + + def visit_augassign(self, node): + """return an astroid.AugAssign node as string""" + return "{} {} {}".format( + node.target.accept(self), node.op, node.value.accept(self) + ) + + def visit_annassign(self, node): + """Return an astroid.AugAssign node as string""" + + target = node.target.accept(self) + annotation = node.annotation.accept(self) + if node.value is None: + return f"{target}: {annotation}" + return f"{target}: {annotation} = {node.value.accept(self)}" + + def visit_binop(self, node): + """return an astroid.BinOp node as string""" + left = self._precedence_parens(node, node.left) + right = self._precedence_parens(node, node.right, is_left=False) + if node.op == "**": + return f"{left}{node.op}{right}" + + return f"{left} {node.op} {right}" + + def visit_boolop(self, node): + """return an astroid.BoolOp node as string""" + values = ["%s" % self._precedence_parens(node, n) for n in node.values] + return (" %s " % node.op).join(values) + + def visit_break(self, node): + """return an astroid.Break node as string""" + return "break" + + def visit_call(self, node): + """return an astroid.Call node as string""" + expr_str = self._precedence_parens(node, node.func) + args = [arg.accept(self) for arg in node.args] + if node.keywords: + keywords = [kwarg.accept(self) for kwarg in node.keywords] + else: + keywords = [] + + args.extend(keywords) + return "{}({})".format(expr_str, ", ".join(args)) + + def visit_classdef(self, node): + """return an astroid.ClassDef node as string""" + decorate = node.decorators.accept(self) if node.decorators else "" + args = [n.accept(self) for n in node.bases] + if node._metaclass and not node.has_metaclass_hack(): + args.append("metaclass=" + node._metaclass.accept(self)) + args += [n.accept(self) for n in node.keywords] + args = "(%s)" % ", ".join(args) if args else "" + docs = self._docs_dedent(node.doc) if node.doc else "" + return "\n\n{}class {}{}:{}\n{}\n".format( + decorate, node.name, args, docs, self._stmt_list(node.body) + ) + + def visit_compare(self, node): + """return an astroid.Compare node as string""" + rhs_str = " ".join( + f"{op} {self._precedence_parens(node, expr, is_left=False)}" + for op, expr in node.ops + ) + return f"{self._precedence_parens(node, node.left)} {rhs_str}" + + def visit_comprehension(self, node): + """return an astroid.Comprehension node as string""" + ifs = "".join(" if %s" % n.accept(self) for n in node.ifs) + generated = "for {} in {}{}".format( + node.target.accept(self), node.iter.accept(self), ifs + ) + return "{}{}".format("async " if node.is_async else "", generated) + + def visit_const(self, node): + """return an astroid.Const node as string""" + if node.value is Ellipsis: + return "..." + return repr(node.value) + + def visit_continue(self, node): + """return an astroid.Continue node as string""" + return "continue" + + def visit_delete(self, node): # XXX check if correct + """return an astroid.Delete node as string""" + return "del %s" % ", ".join(child.accept(self) for child in node.targets) + + def visit_delattr(self, node): + """return an astroid.DelAttr node as string""" + return self.visit_attribute(node) + + def visit_delname(self, node): + """return an astroid.DelName node as string""" + return node.name + + def visit_decorators(self, node): + """return an astroid.Decorators node as string""" + return "@%s\n" % "\n@".join(item.accept(self) for item in node.nodes) + + def visit_dict(self, node): + """return an astroid.Dict node as string""" + return "{%s}" % ", ".join(self._visit_dict(node)) + + def _visit_dict(self, node): + for key, value in node.items: + key = key.accept(self) + value = value.accept(self) + if key == "**": + # It can only be a DictUnpack node. + yield key + value + else: + yield f"{key}: {value}" + + def visit_dictunpack(self, node): + return "**" + + def visit_dictcomp(self, node): + """return an astroid.DictComp node as string""" + return "{{{}: {} {}}}".format( + node.key.accept(self), + node.value.accept(self), + " ".join(n.accept(self) for n in node.generators), + ) + + def visit_expr(self, node): + """return an astroid.Discard node as string""" + return node.value.accept(self) + + def visit_emptynode(self, node): + """dummy method for visiting an Empty node""" + return "" + + def visit_excepthandler(self, node): + if node.type: + if node.name: + excs = "except {} as {}".format( + node.type.accept(self), node.name.accept(self) + ) + else: + excs = "except %s" % node.type.accept(self) + else: + excs = "except" + return f"{excs}:\n{self._stmt_list(node.body)}" + + def visit_empty(self, node): + """return an Empty node as string""" + return "" + + def visit_for(self, node): + """return an astroid.For node as string""" + fors = "for {} in {}:\n{}".format( + node.target.accept(self), node.iter.accept(self), self._stmt_list(node.body) + ) + if node.orelse: + fors = f"{fors}\nelse:\n{self._stmt_list(node.orelse)}" + return fors + + def visit_importfrom(self, node): + """return an astroid.ImportFrom node as string""" + return "from {} import {}".format( + "." * (node.level or 0) + node.modname, _import_string(node.names) + ) + + def visit_joinedstr(self, node): + string = "".join( + # Use repr on the string literal parts + # to get proper escapes, e.g. \n, \\, \" + # But strip the quotes off the ends + # (they will always be one character: ' or ") + repr(value.value)[1:-1] + # Literal braces must be doubled to escape them + .replace("{", "{{").replace("}", "}}") + # Each value in values is either a string literal (Const) + # or a FormattedValue + if type(value).__name__ == "Const" else value.accept(self) + for value in node.values + ) + + # Try to find surrounding quotes that don't appear at all in the string. + # Because the formatted values inside {} can't contain backslash (\) + # using a triple quote is sometimes necessary + for quote in ("'", '"', '"""', "'''"): + if quote not in string: + break + + return "f" + quote + string + quote + + def visit_formattedvalue(self, node): + result = node.value.accept(self) + if node.conversion and node.conversion >= 0: + # e.g. if node.conversion == 114: result += "!r" + result += "!" + chr(node.conversion) + if node.format_spec: + # The format spec is itself a JoinedString, i.e. an f-string + # We strip the f and quotes of the ends + result += ":" + node.format_spec.accept(self)[2:-1] + return "{%s}" % result + + def handle_functiondef(self, node, keyword): + """return a (possibly async) function definition node as string""" + decorate = node.decorators.accept(self) if node.decorators else "" + docs = self._docs_dedent(node.doc) if node.doc else "" + trailer = ":" + if node.returns: + return_annotation = " -> " + node.returns.as_string() + trailer = return_annotation + ":" + def_format = "\n%s%s %s(%s)%s%s\n%s" + return def_format % ( + decorate, + keyword, + node.name, + node.args.accept(self), + trailer, + docs, + self._stmt_list(node.body), + ) + + def visit_functiondef(self, node): + """return an astroid.FunctionDef node as string""" + return self.handle_functiondef(node, "def") + + def visit_asyncfunctiondef(self, node): + """return an astroid.AsyncFunction node as string""" + return self.handle_functiondef(node, "async def") + + def visit_generatorexp(self, node): + """return an astroid.GeneratorExp node as string""" + return "({} {})".format( + node.elt.accept(self), " ".join(n.accept(self) for n in node.generators) + ) + + def visit_attribute(self, node): + """return an astroid.Getattr node as string""" + left = self._precedence_parens(node, node.expr) + if left.isdigit(): + left = "(%s)" % left + return f"{left}.{node.attrname}" + + def visit_global(self, node): + """return an astroid.Global node as string""" + return "global %s" % ", ".join(node.names) + + def visit_if(self, node): + """return an astroid.If node as string""" + ifs = [f"if {node.test.accept(self)}:\n{self._stmt_list(node.body)}"] + if node.has_elif_block(): + ifs.append("el%s" % self._stmt_list(node.orelse, indent=False)) + elif node.orelse: + ifs.append("else:\n%s" % self._stmt_list(node.orelse)) + return "\n".join(ifs) + + def visit_ifexp(self, node): + """return an astroid.IfExp node as string""" + return "{} if {} else {}".format( + self._precedence_parens(node, node.body, is_left=True), + self._precedence_parens(node, node.test, is_left=True), + self._precedence_parens(node, node.orelse, is_left=False), + ) + + def visit_import(self, node): + """return an astroid.Import node as string""" + return "import %s" % _import_string(node.names) + + def visit_keyword(self, node): + """return an astroid.Keyword node as string""" + if node.arg is None: + return "**%s" % node.value.accept(self) + return f"{node.arg}={node.value.accept(self)}" + + def visit_lambda(self, node): + """return an astroid.Lambda node as string""" + args = node.args.accept(self) + body = node.body.accept(self) + if args: + return f"lambda {args}: {body}" + + return "lambda: %s" % body + + def visit_list(self, node): + """return an astroid.List node as string""" + return "[%s]" % ", ".join(child.accept(self) for child in node.elts) + + def visit_listcomp(self, node): + """return an astroid.ListComp node as string""" + return "[{} {}]".format( + node.elt.accept(self), " ".join(n.accept(self) for n in node.generators) + ) + + def visit_module(self, node): + """return an astroid.Module node as string""" + docs = '"""%s"""\n\n' % node.doc if node.doc else "" + return docs + "\n".join(n.accept(self) for n in node.body) + "\n\n" + + def visit_name(self, node): + """return an astroid.Name node as string""" + return node.name + + def visit_namedexpr(self, node): + """Return an assignment expression node as string""" + target = node.target.accept(self) + value = node.value.accept(self) + return f"{target} := {value}" + + def visit_nonlocal(self, node): + """return an astroid.Nonlocal node as string""" + return "nonlocal %s" % ", ".join(node.names) + + def visit_pass(self, node): + """return an astroid.Pass node as string""" + return "pass" + + def visit_raise(self, node): + """return an astroid.Raise node as string""" + if node.exc: + if node.cause: + return "raise {} from {}".format( + node.exc.accept(self), node.cause.accept(self) + ) + return "raise %s" % node.exc.accept(self) + return "raise" + + def visit_return(self, node): + """return an astroid.Return node as string""" + if node.is_tuple_return() and len(node.value.elts) > 1: + elts = [child.accept(self) for child in node.value.elts] + return "return %s" % ", ".join(elts) + + if node.value: + return "return %s" % node.value.accept(self) + + return "return" + + def visit_set(self, node): + """return an astroid.Set node as string""" + return "{%s}" % ", ".join(child.accept(self) for child in node.elts) + + def visit_setcomp(self, node): + """return an astroid.SetComp node as string""" + return "{{{} {}}}".format( + node.elt.accept(self), " ".join(n.accept(self) for n in node.generators) + ) + + def visit_slice(self, node): + """return an astroid.Slice node as string""" + lower = node.lower.accept(self) if node.lower else "" + upper = node.upper.accept(self) if node.upper else "" + step = node.step.accept(self) if node.step else "" + if step: + return f"{lower}:{upper}:{step}" + return f"{lower}:{upper}" + + def visit_subscript(self, node): + """return an astroid.Subscript node as string""" + idx = node.slice + if idx.__class__.__name__.lower() == "index": + idx = idx.value + idxstr = idx.accept(self) + if idx.__class__.__name__.lower() == "tuple" and idx.elts: + # Remove parenthesis in tuple and extended slice. + # a[(::1, 1:)] is not valid syntax. + idxstr = idxstr[1:-1] + return f"{self._precedence_parens(node, node.value)}[{idxstr}]" + + def visit_tryexcept(self, node): + """return an astroid.TryExcept node as string""" + trys = ["try:\n%s" % self._stmt_list(node.body)] + for handler in node.handlers: + trys.append(handler.accept(self)) + if node.orelse: + trys.append("else:\n%s" % self._stmt_list(node.orelse)) + return "\n".join(trys) + + def visit_tryfinally(self, node): + """return an astroid.TryFinally node as string""" + return "try:\n{}\nfinally:\n{}".format( + self._stmt_list(node.body), self._stmt_list(node.finalbody) + ) + + def visit_tuple(self, node): + """return an astroid.Tuple node as string""" + if len(node.elts) == 1: + return "(%s, )" % node.elts[0].accept(self) + return "(%s)" % ", ".join(child.accept(self) for child in node.elts) + + def visit_unaryop(self, node): + """return an astroid.UnaryOp node as string""" + if node.op == "not": + operator = "not " + else: + operator = node.op + return f"{operator}{self._precedence_parens(node, node.operand)}" + + def visit_while(self, node): + """return an astroid.While node as string""" + whiles = "while {}:\n{}".format( + node.test.accept(self), self._stmt_list(node.body) + ) + if node.orelse: + whiles = f"{whiles}\nelse:\n{self._stmt_list(node.orelse)}" + return whiles + + def visit_with(self, node): # 'with' without 'as' is possible + """return an astroid.With node as string""" + items = ", ".join( + ("%s" % expr.accept(self)) + (vars and " as %s" % (vars.accept(self)) or "") + for expr, vars in node.items + ) + return f"with {items}:\n{self._stmt_list(node.body)}" + + def visit_yield(self, node): + """yield an ast.Yield node as string""" + yi_val = (" " + node.value.accept(self)) if node.value else "" + expr = "yield" + yi_val + if node.parent.is_statement: + return expr + + return f"({expr})" + + def visit_yieldfrom(self, node): + """Return an astroid.YieldFrom node as string.""" + yi_val = (" " + node.value.accept(self)) if node.value else "" + expr = "yield from" + yi_val + if node.parent.is_statement: + return expr + + return f"({expr})" + + def visit_starred(self, node): + """return Starred node as string""" + return "*" + node.value.accept(self) + + def visit_match(self, node: "Match") -> str: + """Return an astroid.Match node as string.""" + return f"match {node.subject.accept(self)}:\n{self._stmt_list(node.cases)}" + + def visit_matchcase(self, node: "MatchCase") -> str: + """Return an astroid.MatchCase node as string.""" + guard_str = f" if {node.guard.accept(self)}" if node.guard else "" + return ( + f"case {node.pattern.accept(self)}{guard_str}:\n" + f"{self._stmt_list(node.body)}" + ) + + def visit_matchvalue(self, node: "MatchValue") -> str: + """Return an astroid.MatchValue node as string.""" + return node.value.accept(self) + + @staticmethod + def visit_matchsingleton(node: "MatchSingleton") -> str: + """Return an astroid.MatchSingleton node as string.""" + return str(node.value) + + def visit_matchsequence(self, node: "MatchSequence") -> str: + """Return an astroid.MatchSequence node as string.""" + if node.patterns is None: + return "[]" + return f"[{', '.join(p.accept(self) for p in node.patterns)}]" + + def visit_matchmapping(self, node: "MatchMapping") -> str: + """Return an astroid.MatchMapping node as string.""" + mapping_strings = [] + if node.keys and node.patterns: + mapping_strings.extend( + f"{key.accept(self)}: {p.accept(self)}" + for key, p in zip(node.keys, node.patterns) + ) + if node.rest: + mapping_strings.append(f"**{node.rest.accept(self)}") + return f"{'{'}{', '.join(mapping_strings)}{'}'}" + + def visit_matchclass(self, node: "MatchClass") -> str: + """Return an astroid.MatchClass node as string.""" + if node.cls is None: + raise Exception(f"{node} does not have a 'cls' node") + class_strings = [] + if node.patterns: + class_strings.extend(p.accept(self) for p in node.patterns) + if node.kwd_attrs and node.kwd_patterns: + for attr, pattern in zip(node.kwd_attrs, node.kwd_patterns): + class_strings.append(f"{attr}={pattern.accept(self)}") + return f"{node.cls.accept(self)}({', '.join(class_strings)})" + + def visit_matchstar(self, node: "MatchStar") -> str: + """Return an astroid.MatchStar node as string.""" + return f"*{node.name.accept(self) if node.name else '_'}" + + def visit_matchas(self, node: "MatchAs") -> str: + """Return an astroid.MatchAs node as string.""" + # pylint: disable=import-outside-toplevel + # Prevent circular dependency + from astroid.node_classes import MatchClass, MatchMapping, MatchSequence + + if isinstance(node.parent, (MatchSequence, MatchMapping, MatchClass)): + return node.name.accept(self) if node.name else "_" + return ( + f"{node.pattern.accept(self) if node.pattern else '_'}" + f"{f' as {node.name.accept(self)}' if node.name else ''}" + ) + + def visit_matchor(self, node: "MatchOr") -> str: + """Return an astroid.MatchOr node as string.""" + if node.patterns is None: + raise Exception(f"{node} does not have pattern nodes") + return " | ".join(p.accept(self) for p in node.patterns) + + # These aren't for real AST nodes, but for inference objects. + + def visit_frozenset(self, node): + return node.parent.accept(self) + + def visit_super(self, node): + return node.parent.accept(self) + + def visit_uninferable(self, node): + return str(node) + + def visit_property(self, node): + return node.function.accept(self) + + def visit_evaluatedobject(self, node): + return node.original.accept(self) + + +def _import_string(names): + """return a list of (name, asname) formatted as a string""" + _names = [] + for name, asname in names: + if asname is not None: + _names.append(f"{name} as {asname}") + else: + _names.append(name) + return ", ".join(_names) + + +# This sets the default indent to 4 spaces. +to_code = AsStringVisitor(" ") diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/astroid_manager.py b/backend/mb-env/lib/python3.9/site-packages/astroid/astroid_manager.py new file mode 100644 index 0000000..c8237a5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/astroid_manager.py @@ -0,0 +1,15 @@ +""" +This file contain the global astroid MANAGER, to prevent circular import that happened +when the only possibility to import it was from astroid.__init__.py. + +This AstroidManager is a singleton/borg so it's possible to instantiate an +AstroidManager() directly. +""" + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +from astroid.manager import AstroidManager + +MANAGER = AstroidManager() diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/bases.py b/backend/mb-env/lib/python3.9/site-packages/astroid/bases.py new file mode 100644 index 0000000..796d9e4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/bases.py @@ -0,0 +1,593 @@ +# Copyright (c) 2009-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2012 FELD Boris +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2016-2017 Derek Gustafson +# Copyright (c) 2017 Calen Pennington +# Copyright (c) 2018-2019 hippo91 +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Daniel Colascione +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 doranid +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""This module contains base classes and functions for the nodes and some +inference utils. +""" + +import collections + +from astroid import context as contextmod +from astroid import decorators, util +from astroid.const import BUILTINS, PY310_PLUS +from astroid.exceptions import ( + AstroidTypeError, + AttributeInferenceError, + InferenceError, + NameInferenceError, +) + +objectmodel = util.lazy_import("interpreter.objectmodel") +helpers = util.lazy_import("helpers") +manager = util.lazy_import("manager") + + +# TODO: check if needs special treatment +BOOL_SPECIAL_METHOD = "__bool__" + +PROPERTIES = {BUILTINS + ".property", "abc.abstractproperty"} +if PY310_PLUS: + PROPERTIES.add("enum.property") + +# List of possible property names. We use this list in order +# to see if a method is a property or not. This should be +# pretty reliable and fast, the alternative being to check each +# decorator to see if its a real property-like descriptor, which +# can be too complicated. +# Also, these aren't qualified, because each project can +# define them, we shouldn't expect to know every possible +# property-like decorator! +POSSIBLE_PROPERTIES = { + "cached_property", + "cachedproperty", + "lazyproperty", + "lazy_property", + "reify", + "lazyattribute", + "lazy_attribute", + "LazyProperty", + "lazy", + "cache_readonly", + "DynamicClassAttribute", +} + + +def _is_property(meth, context=None): + decoratornames = meth.decoratornames(context=context) + if PROPERTIES.intersection(decoratornames): + return True + stripped = { + name.split(".")[-1] for name in decoratornames if name is not util.Uninferable + } + if any(name in stripped for name in POSSIBLE_PROPERTIES): + return True + + # Lookup for subclasses of *property* + if not meth.decorators: + return False + for decorator in meth.decorators.nodes or (): + inferred = helpers.safe_infer(decorator, context=context) + if inferred is None or inferred is util.Uninferable: + continue + if inferred.__class__.__name__ == "ClassDef": + for base_class in inferred.bases: + if base_class.__class__.__name__ != "Name": + continue + module, _ = base_class.lookup(base_class.name) + if module.name == BUILTINS and base_class.name == "property": + return True + + return False + + +class Proxy: + """a simple proxy object + + Note: + + Subclasses of this object will need a custom __getattr__ + if new instance attributes are created. See the Const class + """ + + _proxied = None # proxied object may be set by class or by instance + + def __init__(self, proxied=None): + if proxied is not None: + self._proxied = proxied + + def __getattr__(self, name): + if name == "_proxied": + return self.__class__._proxied + if name in self.__dict__: + return self.__dict__[name] + return getattr(self._proxied, name) + + def infer(self, context=None): + yield self + + +def _infer_stmts(stmts, context, frame=None): + """Return an iterator on statements inferred by each statement in *stmts*.""" + inferred = False + if context is not None: + name = context.lookupname + context = context.clone() + else: + name = None + context = contextmod.InferenceContext() + + for stmt in stmts: + if stmt is util.Uninferable: + yield stmt + inferred = True + continue + context.lookupname = stmt._infer_name(frame, name) + try: + for inferred in stmt.infer(context=context): + yield inferred + inferred = True + except NameInferenceError: + continue + except InferenceError: + yield util.Uninferable + inferred = True + if not inferred: + raise InferenceError( + "Inference failed for all members of {stmts!r}.", + stmts=stmts, + frame=frame, + context=context, + ) + + +def _infer_method_result_truth(instance, method_name, context): + # Get the method from the instance and try to infer + # its return's truth value. + meth = next(instance.igetattr(method_name, context=context), None) + if meth and hasattr(meth, "infer_call_result"): + if not meth.callable(): + return util.Uninferable + try: + for value in meth.infer_call_result(instance, context=context): + if value is util.Uninferable: + return value + try: + inferred = next(value.infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + return inferred.bool_value() + except InferenceError: + pass + return util.Uninferable + + +class BaseInstance(Proxy): + """An instance base class, which provides lookup methods for potential instances.""" + + special_attributes = None + + def display_type(self): + return "Instance of" + + def getattr(self, name, context=None, lookupclass=True): + try: + values = self._proxied.instance_attr(name, context) + except AttributeInferenceError as exc: + if self.special_attributes and name in self.special_attributes: + return [self.special_attributes.lookup(name)] + + if lookupclass: + # Class attributes not available through the instance + # unless they are explicitly defined. + return self._proxied.getattr(name, context, class_context=False) + + raise AttributeInferenceError( + target=self, attribute=name, context=context + ) from exc + # since we've no context information, return matching class members as + # well + if lookupclass: + try: + return values + self._proxied.getattr( + name, context, class_context=False + ) + except AttributeInferenceError: + pass + return values + + def igetattr(self, name, context=None): + """inferred getattr""" + if not context: + context = contextmod.InferenceContext() + try: + context.lookupname = name + # avoid recursively inferring the same attr on the same class + if context.push(self._proxied): + raise InferenceError( + message="Cannot infer the same attribute again", + node=self, + context=context, + ) + + # XXX frame should be self._proxied, or not ? + get_attr = self.getattr(name, context, lookupclass=False) + yield from _infer_stmts( + self._wrap_attr(get_attr, context), context, frame=self + ) + except AttributeInferenceError: + try: + # fallback to class.igetattr since it has some logic to handle + # descriptors + # But only if the _proxied is the Class. + if self._proxied.__class__.__name__ != "ClassDef": + raise + attrs = self._proxied.igetattr(name, context, class_context=False) + yield from self._wrap_attr(attrs, context) + except AttributeInferenceError as error: + raise InferenceError(**vars(error)) from error + + def _wrap_attr(self, attrs, context=None): + """wrap bound methods of attrs in a InstanceMethod proxies""" + for attr in attrs: + if isinstance(attr, UnboundMethod): + if _is_property(attr): + yield from attr.infer_call_result(self, context) + else: + yield BoundMethod(attr, self) + elif hasattr(attr, "name") and attr.name == "": + if attr.args.arguments and attr.args.arguments[0].name == "self": + yield BoundMethod(attr, self) + continue + yield attr + else: + yield attr + + def infer_call_result(self, caller, context=None): + """infer what a class instance is returning when called""" + context = contextmod.bind_context_to_node(context, self) + inferred = False + for node in self._proxied.igetattr("__call__", context): + if node is util.Uninferable or not node.callable(): + continue + for res in node.infer_call_result(caller, context): + inferred = True + yield res + if not inferred: + raise InferenceError(node=self, caller=caller, context=context) + + +class Instance(BaseInstance): + """A special node representing a class instance.""" + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.InstanceModel()) + + def __repr__(self): + return "".format( + self._proxied.root().name, self._proxied.name, id(self) + ) + + def __str__(self): + return f"Instance of {self._proxied.root().name}.{self._proxied.name}" + + def callable(self): + try: + self._proxied.getattr("__call__", class_context=False) + return True + except AttributeInferenceError: + return False + + def pytype(self): + return self._proxied.qname() + + def display_type(self): + return "Instance of" + + def bool_value(self, context=None): + """Infer the truth value for an Instance + + The truth value of an instance is determined by these conditions: + + * if it implements __bool__ on Python 3 or __nonzero__ + on Python 2, then its bool value will be determined by + calling this special method and checking its result. + * when this method is not defined, __len__() is called, if it + is defined, and the object is considered true if its result is + nonzero. If a class defines neither __len__() nor __bool__(), + all its instances are considered true. + """ + context = context or contextmod.InferenceContext() + context.callcontext = contextmod.CallContext(args=[]) + context.boundnode = self + + try: + result = _infer_method_result_truth(self, BOOL_SPECIAL_METHOD, context) + except (InferenceError, AttributeInferenceError): + # Fallback to __len__. + try: + result = _infer_method_result_truth(self, "__len__", context) + except (AttributeInferenceError, InferenceError): + return True + return result + + def getitem(self, index, context=None): + # TODO: Rewrap index to Const for this case + new_context = contextmod.bind_context_to_node(context, self) + if not context: + context = new_context + # Create a new CallContext for providing index as an argument. + new_context.callcontext = contextmod.CallContext(args=[index]) + method = next(self.igetattr("__getitem__", context=context), None) + if not isinstance(method, BoundMethod): + raise InferenceError( + "Could not find __getitem__ for {node!r}.", node=self, context=context + ) + if len(method.args.arguments) != 2: # (self, index) + raise AstroidTypeError( + "__getitem__ for {node!r} does not have correct signature", + node=self, + context=context, + ) + return next(method.infer_call_result(self, new_context), None) + + +class UnboundMethod(Proxy): + """a special node representing a method not bound to an instance""" + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.UnboundMethodModel()) + + def __repr__(self): + frame = self._proxied.parent.frame() + return "<{} {} of {} at 0x{}".format( + self.__class__.__name__, self._proxied.name, frame.qname(), id(self) + ) + + def implicit_parameters(self): + return 0 + + def is_bound(self): + return False + + def getattr(self, name, context=None): + if name in self.special_attributes: + return [self.special_attributes.lookup(name)] + return self._proxied.getattr(name, context) + + def igetattr(self, name, context=None): + if name in self.special_attributes: + return iter((self.special_attributes.lookup(name),)) + return self._proxied.igetattr(name, context) + + def infer_call_result(self, caller, context): + """ + The boundnode of the regular context with a function called + on ``object.__new__`` will be of type ``object``, + which is incorrect for the argument in general. + If no context is given the ``object.__new__`` call argument will + correctly inferred except when inside a call that requires + the additional context (such as a classmethod) of the boundnode + to determine which class the method was called from + """ + + # If we're unbound method __new__ of builtin object, the result is an + # instance of the class given as first argument. + if ( + self._proxied.name == "__new__" + and self._proxied.parent.frame().qname() == "%s.object" % BUILTINS + ): + if caller.args: + node_context = context.extra_context.get(caller.args[0]) + infer = caller.args[0].infer(context=node_context) + else: + infer = [] + return (Instance(x) if x is not util.Uninferable else x for x in infer) + return self._proxied.infer_call_result(caller, context) + + def bool_value(self, context=None): + return True + + +class BoundMethod(UnboundMethod): + """a special node representing a method bound to an instance""" + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.BoundMethodModel()) + + def __init__(self, proxy, bound): + UnboundMethod.__init__(self, proxy) + self.bound = bound + + def implicit_parameters(self): + if self.name == "__new__": + # __new__ acts as a classmethod but the class argument is not implicit. + return 0 + return 1 + + def is_bound(self): + return True + + def _infer_type_new_call(self, caller, context): + """Try to infer what type.__new__(mcs, name, bases, attrs) returns. + + In order for such call to be valid, the metaclass needs to be + a subtype of ``type``, the name needs to be a string, the bases + needs to be a tuple of classes + """ + # pylint: disable=import-outside-toplevel; circular import + from astroid import node_classes + + # Verify the metaclass + try: + mcs = next(caller.args[0].infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + if mcs.__class__.__name__ != "ClassDef": + # Not a valid first argument. + return None + if not mcs.is_subtype_of("%s.type" % BUILTINS): + # Not a valid metaclass. + return None + + # Verify the name + try: + name = next(caller.args[1].infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + if name.__class__.__name__ != "Const": + # Not a valid name, needs to be a const. + return None + if not isinstance(name.value, str): + # Needs to be a string. + return None + + # Verify the bases + try: + bases = next(caller.args[2].infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + if bases.__class__.__name__ != "Tuple": + # Needs to be a tuple. + return None + try: + inferred_bases = [next(elt.infer(context=context)) for elt in bases.elts] + except StopIteration as e: + raise InferenceError(context=context) from e + if any(base.__class__.__name__ != "ClassDef" for base in inferred_bases): + # All the bases needs to be Classes + return None + + # Verify the attributes. + try: + attrs = next(caller.args[3].infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + if attrs.__class__.__name__ != "Dict": + # Needs to be a dictionary. + return None + cls_locals = collections.defaultdict(list) + for key, value in attrs.items: + try: + key = next(key.infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + try: + value = next(value.infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context) from e + # Ignore non string keys + if key.__class__.__name__ == "Const" and isinstance(key.value, str): + cls_locals[key.value].append(value) + + # Build the class from now. + cls = mcs.__class__( + name=name.value, + lineno=caller.lineno, + col_offset=caller.col_offset, + parent=caller, + ) + empty = node_classes.Pass() + cls.postinit( + bases=bases.elts, + body=[empty], + decorators=[], + newstyle=True, + metaclass=mcs, + keywords=[], + ) + cls.locals = cls_locals + return cls + + def infer_call_result(self, caller, context=None): + context = contextmod.bind_context_to_node(context, self.bound) + if ( + self.bound.__class__.__name__ == "ClassDef" + and self.bound.name == "type" + and self.name == "__new__" + and len(caller.args) == 4 + ): + # Check if we have a ``type.__new__(mcs, name, bases, attrs)`` call. + new_cls = self._infer_type_new_call(caller, context) + if new_cls: + return iter((new_cls,)) + + return super().infer_call_result(caller, context) + + def bool_value(self, context=None): + return True + + +class Generator(BaseInstance): + """a special node representing a generator. + + Proxied class is set once for all in raw_building. + """ + + special_attributes = util.lazy_descriptor(objectmodel.GeneratorModel) + + def __init__(self, parent=None, generator_initial_context=None): + super().__init__() + self.parent = parent + self._call_context = contextmod.copy_context(generator_initial_context) + + @decorators.cached + def infer_yield_types(self): + yield from self.parent.infer_yield_result(self._call_context) + + def callable(self): + return False + + def pytype(self): + return "%s.generator" % BUILTINS + + def display_type(self): + return "Generator" + + def bool_value(self, context=None): + return True + + def __repr__(self): + return "".format( + self._proxied.name, self.lineno, id(self) + ) + + def __str__(self): + return "Generator(%s)" % self._proxied.name + + +class AsyncGenerator(Generator): + """Special node representing an async generator""" + + def pytype(self): + return "%s.async_generator" % BUILTINS + + def display_type(self): + return "AsyncGenerator" + + def __repr__(self): + return "".format( + self._proxied.name, self.lineno, id(self) + ) + + def __str__(self): + return "AsyncGenerator(%s)" % self._proxied.name diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/__init__.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_argparse.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_argparse.py new file mode 100644 index 0000000..de36e89 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_argparse.py @@ -0,0 +1,35 @@ +from astroid import arguments, inference_tip, nodes +from astroid.exceptions import UseInferenceDefault +from astroid.manager import AstroidManager + + +def infer_namespace(node, context=None): + callsite = arguments.CallSite.from_call(node, context=context) + if not callsite.keyword_arguments: + # Cannot make sense of it. + raise UseInferenceDefault() + + class_node = nodes.ClassDef("Namespace", "docstring") + class_node.parent = node.parent + for attr in set(callsite.keyword_arguments): + fake_node = nodes.EmptyNode() + fake_node.parent = class_node + fake_node.attrname = attr + class_node.instance_attrs[attr] = [fake_node] + return iter((class_node.instantiate_class(),)) + + +def _looks_like_namespace(node): + func = node.func + if isinstance(func, nodes.Attribute): + return ( + func.attrname == "Namespace" + and isinstance(func.expr, nodes.Name) + and func.expr.name == "argparse" + ) + return False + + +AstroidManager().register_transform( + nodes.Call, inference_tip(infer_namespace), _looks_like_namespace +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_attrs.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_attrs.py new file mode 100644 index 0000000..062e4a1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_attrs.py @@ -0,0 +1,67 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +""" +Astroid hook for the attrs library + +Without this hook pylint reports unsupported-assignment-operation +for attrs classes +""" +from astroid.manager import AstroidManager +from astroid.node_classes import AnnAssign, Assign, AssignName, Call, Unknown +from astroid.scoped_nodes import ClassDef + +ATTRIB_NAMES = frozenset(("attr.ib", "attrib", "attr.attrib")) +ATTRS_NAMES = frozenset(("attr.s", "attrs", "attr.attrs", "attr.attributes")) + + +def is_decorated_with_attrs(node, decorator_names=ATTRS_NAMES): + """Return True if a decorated node has + an attr decorator applied.""" + if not node.decorators: + return False + for decorator_attribute in node.decorators.nodes: + if isinstance(decorator_attribute, Call): # decorator with arguments + decorator_attribute = decorator_attribute.func + if decorator_attribute.as_string() in decorator_names: + return True + return False + + +def attr_attributes_transform(node: ClassDef) -> None: + """Given that the ClassNode has an attr decorator, + rewrite class attributes as instance attributes + """ + # Astroid can't infer this attribute properly + # Prevents https://github.com/PyCQA/pylint/issues/1884 + node.locals["__attrs_attrs__"] = [Unknown(parent=node)] + + for cdef_body_node in node.body: + if not isinstance(cdef_body_node, (Assign, AnnAssign)): + continue + if isinstance(cdef_body_node.value, Call): + if cdef_body_node.value.func.as_string() not in ATTRIB_NAMES: + continue + else: + continue + targets = ( + cdef_body_node.targets + if hasattr(cdef_body_node, "targets") + else [cdef_body_node.target] + ) + for target in targets: + rhs_node = Unknown( + lineno=cdef_body_node.lineno, + col_offset=cdef_body_node.col_offset, + parent=cdef_body_node, + ) + if isinstance(target, AssignName): + # Could be a subscript if the code analysed is + # i = Optional[str] = "" + # See https://github.com/PyCQA/pylint/issues/4439 + node.locals[target.name] = [rhs_node] + node.instance_attrs[target.name] = [rhs_node] + + +AstroidManager().register_transform( + ClassDef, attr_attributes_transform, is_decorated_with_attrs +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_boto3.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_boto3.py new file mode 100644 index 0000000..0a41915 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_boto3.py @@ -0,0 +1,29 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for understanding boto3.ServiceRequest()""" +from astroid import extract_node +from astroid.manager import AstroidManager +from astroid.scoped_nodes import ClassDef + +BOTO_SERVICE_FACTORY_QUALIFIED_NAME = "boto3.resources.base.ServiceResource" + + +def service_request_transform(node): + """Transform ServiceResource to look like dynamic classes""" + code = """ + def __getattr__(self, attr): + return 0 + """ + func_getattr = extract_node(code) + node.locals["__getattr__"] = [func_getattr] + return node + + +def _looks_like_boto3_service_request(node): + return node.qname() == BOTO_SERVICE_FACTORY_QUALIFIED_NAME + + +AstroidManager().register_transform( + ClassDef, service_request_transform, _looks_like_boto3_service_request +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_builtin_inference.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_builtin_inference.py new file mode 100644 index 0000000..9ce5874 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_builtin_inference.py @@ -0,0 +1,940 @@ +# Copyright (c) 2014-2021 Claudiu Popa +# Copyright (c) 2014-2015 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Rene Zhang +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2019-2020 Bryce Guinta +# Copyright (c) 2019 Stanislav Levin +# Copyright (c) 2019 David Liu +# Copyright (c) 2019 Frédéric Chapoton +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 David Gilman +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for various builtins.""" + +from functools import partial + +from astroid import ( + arguments, + helpers, + inference_tip, + nodes, + objects, + scoped_nodes, + util, +) +from astroid.builder import AstroidBuilder +from astroid.exceptions import ( + AstroidTypeError, + AttributeInferenceError, + InferenceError, + MroError, + NameInferenceError, + UseInferenceDefault, +) +from astroid.manager import AstroidManager + +OBJECT_DUNDER_NEW = "object.__new__" + +STR_CLASS = """ +class whatever(object): + def join(self, iterable): + return {rvalue} + def replace(self, old, new, count=None): + return {rvalue} + def format(self, *args, **kwargs): + return {rvalue} + def encode(self, encoding='ascii', errors=None): + return b'' + def decode(self, encoding='ascii', errors=None): + return u'' + def capitalize(self): + return {rvalue} + def title(self): + return {rvalue} + def lower(self): + return {rvalue} + def upper(self): + return {rvalue} + def swapcase(self): + return {rvalue} + def index(self, sub, start=None, end=None): + return 0 + def find(self, sub, start=None, end=None): + return 0 + def count(self, sub, start=None, end=None): + return 0 + def strip(self, chars=None): + return {rvalue} + def lstrip(self, chars=None): + return {rvalue} + def rstrip(self, chars=None): + return {rvalue} + def rjust(self, width, fillchar=None): + return {rvalue} + def center(self, width, fillchar=None): + return {rvalue} + def ljust(self, width, fillchar=None): + return {rvalue} +""" + + +BYTES_CLASS = """ +class whatever(object): + def join(self, iterable): + return {rvalue} + def replace(self, old, new, count=None): + return {rvalue} + def decode(self, encoding='ascii', errors=None): + return u'' + def capitalize(self): + return {rvalue} + def title(self): + return {rvalue} + def lower(self): + return {rvalue} + def upper(self): + return {rvalue} + def swapcase(self): + return {rvalue} + def index(self, sub, start=None, end=None): + return 0 + def find(self, sub, start=None, end=None): + return 0 + def count(self, sub, start=None, end=None): + return 0 + def strip(self, chars=None): + return {rvalue} + def lstrip(self, chars=None): + return {rvalue} + def rstrip(self, chars=None): + return {rvalue} + def rjust(self, width, fillchar=None): + return {rvalue} + def center(self, width, fillchar=None): + return {rvalue} + def ljust(self, width, fillchar=None): + return {rvalue} +""" + + +def _extend_string_class(class_node, code, rvalue): + """function to extend builtin str/unicode class""" + code = code.format(rvalue=rvalue) + fake = AstroidBuilder(AstroidManager()).string_build(code)["whatever"] + for method in fake.mymethods(): + method.parent = class_node + method.lineno = None + method.col_offset = None + if "__class__" in method.locals: + method.locals["__class__"] = [class_node] + class_node.locals[method.name] = [method] + method.parent = class_node + + +def _extend_builtins(class_transforms): + builtin_ast = AstroidManager().builtins_module + for class_name, transform in class_transforms.items(): + transform(builtin_ast[class_name]) + + +_extend_builtins( + { + "bytes": partial(_extend_string_class, code=BYTES_CLASS, rvalue="b''"), + "str": partial(_extend_string_class, code=STR_CLASS, rvalue="''"), + } +) + + +def _builtin_filter_predicate(node, builtin_name): + if ( + builtin_name == "type" + and node.root().name == "re" + and isinstance(node.func, nodes.Name) + and node.func.name == "type" + and isinstance(node.parent, nodes.Assign) + and len(node.parent.targets) == 1 + and isinstance(node.parent.targets[0], nodes.AssignName) + and node.parent.targets[0].name in ("Pattern", "Match") + ): + # Handle re.Pattern and re.Match in brain_re + # Match these patterns from stdlib/re.py + # ```py + # Pattern = type(...) + # Match = type(...) + # ``` + return False + if isinstance(node.func, nodes.Name) and node.func.name == builtin_name: + return True + if isinstance(node.func, nodes.Attribute): + return ( + node.func.attrname == "fromkeys" + and isinstance(node.func.expr, nodes.Name) + and node.func.expr.name == "dict" + ) + return False + + +def register_builtin_transform(transform, builtin_name): + """Register a new transform function for the given *builtin_name*. + + The transform function must accept two parameters, a node and + an optional context. + """ + + def _transform_wrapper(node, context=None): + result = transform(node, context=context) + if result: + if not result.parent: + # Let the transformation function determine + # the parent for its result. Otherwise, + # we set it to be the node we transformed from. + result.parent = node + + if result.lineno is None: + result.lineno = node.lineno + # Can be a 'Module' see https://github.com/PyCQA/pylint/issues/4671 + # We don't have a regression test on this one: tread carefully + if hasattr(result, "col_offset") and result.col_offset is None: + result.col_offset = node.col_offset + return iter([result]) + + AstroidManager().register_transform( + nodes.Call, + inference_tip(_transform_wrapper), + partial(_builtin_filter_predicate, builtin_name=builtin_name), + ) + + +def _container_generic_inference(node, context, node_type, transform): + args = node.args + if not args: + return node_type() + if len(node.args) > 1: + raise UseInferenceDefault() + + (arg,) = args + transformed = transform(arg) + if not transformed: + try: + inferred = next(arg.infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + if inferred is util.Uninferable: + raise UseInferenceDefault + transformed = transform(inferred) + if not transformed or transformed is util.Uninferable: + raise UseInferenceDefault + return transformed + + +def _container_generic_transform( # pylint: disable=inconsistent-return-statements + arg, context, klass, iterables, build_elts +): + if isinstance(arg, klass): + return arg + if isinstance(arg, iterables): + if all(isinstance(elt, nodes.Const) for elt in arg.elts): + elts = [elt.value for elt in arg.elts] + else: + # TODO: Does not handle deduplication for sets. + elts = [] + for element in arg.elts: + if not element: + continue + inferred = helpers.safe_infer(element, context=context) + if inferred: + evaluated_object = nodes.EvaluatedObject( + original=element, value=inferred + ) + elts.append(evaluated_object) + elif isinstance(arg, nodes.Dict): + # Dicts need to have consts as strings already. + if not all(isinstance(elt[0], nodes.Const) for elt in arg.items): + raise UseInferenceDefault() + elts = [item[0].value for item in arg.items] + elif isinstance(arg, nodes.Const) and isinstance(arg.value, (str, bytes)): + elts = arg.value + else: + return + return klass.from_elements(elts=build_elts(elts)) + + +def _infer_builtin_container( + node, context, klass=None, iterables=None, build_elts=None +): + transform_func = partial( + _container_generic_transform, + context=context, + klass=klass, + iterables=iterables, + build_elts=build_elts, + ) + + return _container_generic_inference(node, context, klass, transform_func) + + +# pylint: disable=invalid-name +infer_tuple = partial( + _infer_builtin_container, + klass=nodes.Tuple, + iterables=( + nodes.List, + nodes.Set, + objects.FrozenSet, + objects.DictItems, + objects.DictKeys, + objects.DictValues, + ), + build_elts=tuple, +) + +infer_list = partial( + _infer_builtin_container, + klass=nodes.List, + iterables=( + nodes.Tuple, + nodes.Set, + objects.FrozenSet, + objects.DictItems, + objects.DictKeys, + objects.DictValues, + ), + build_elts=list, +) + +infer_set = partial( + _infer_builtin_container, + klass=nodes.Set, + iterables=(nodes.List, nodes.Tuple, objects.FrozenSet, objects.DictKeys), + build_elts=set, +) + +infer_frozenset = partial( + _infer_builtin_container, + klass=objects.FrozenSet, + iterables=(nodes.List, nodes.Tuple, nodes.Set, objects.FrozenSet, objects.DictKeys), + build_elts=frozenset, +) + + +def _get_elts(arg, context): + def is_iterable(n): + return isinstance(n, (nodes.List, nodes.Tuple, nodes.Set)) + + try: + inferred = next(arg.infer(context)) + except (InferenceError, NameInferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + if isinstance(inferred, nodes.Dict): + items = inferred.items + elif is_iterable(inferred): + items = [] + for elt in inferred.elts: + # If an item is not a pair of two items, + # then fallback to the default inference. + # Also, take in consideration only hashable items, + # tuples and consts. We are choosing Names as well. + if not is_iterable(elt): + raise UseInferenceDefault() + if len(elt.elts) != 2: + raise UseInferenceDefault() + if not isinstance(elt.elts[0], (nodes.Tuple, nodes.Const, nodes.Name)): + raise UseInferenceDefault() + items.append(tuple(elt.elts)) + else: + raise UseInferenceDefault() + return items + + +def infer_dict(node, context=None): + """Try to infer a dict call to a Dict node. + + The function treats the following cases: + + * dict() + * dict(mapping) + * dict(iterable) + * dict(iterable, **kwargs) + * dict(mapping, **kwargs) + * dict(**kwargs) + + If a case can't be inferred, we'll fallback to default inference. + """ + call = arguments.CallSite.from_call(node, context=context) + if call.has_invalid_arguments() or call.has_invalid_keywords(): + raise UseInferenceDefault + + args = call.positional_arguments + kwargs = list(call.keyword_arguments.items()) + + if not args and not kwargs: + # dict() + return nodes.Dict() + if kwargs and not args: + # dict(a=1, b=2, c=4) + items = [(nodes.Const(key), value) for key, value in kwargs] + elif len(args) == 1 and kwargs: + # dict(some_iterable, b=2, c=4) + elts = _get_elts(args[0], context) + keys = [(nodes.Const(key), value) for key, value in kwargs] + items = elts + keys + elif len(args) == 1: + items = _get_elts(args[0], context) + else: + raise UseInferenceDefault() + value = nodes.Dict( + col_offset=node.col_offset, lineno=node.lineno, parent=node.parent + ) + value.postinit(items) + return value + + +def infer_super(node, context=None): + """Understand super calls. + + There are some restrictions for what can be understood: + + * unbounded super (one argument form) is not understood. + + * if the super call is not inside a function (classmethod or method), + then the default inference will be used. + + * if the super arguments can't be inferred, the default inference + will be used. + """ + if len(node.args) == 1: + # Ignore unbounded super. + raise UseInferenceDefault + + scope = node.scope() + if not isinstance(scope, nodes.FunctionDef): + # Ignore non-method uses of super. + raise UseInferenceDefault + if scope.type not in ("classmethod", "method"): + # Not interested in staticmethods. + raise UseInferenceDefault + + cls = scoped_nodes.get_wrapping_class(scope) + if not node.args: + mro_pointer = cls + # In we are in a classmethod, the interpreter will fill + # automatically the class as the second argument, not an instance. + if scope.type == "classmethod": + mro_type = cls + else: + mro_type = cls.instantiate_class() + else: + try: + mro_pointer = next(node.args[0].infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + try: + mro_type = next(node.args[1].infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if mro_pointer is util.Uninferable or mro_type is util.Uninferable: + # No way we could understand this. + raise UseInferenceDefault + + super_obj = objects.Super( + mro_pointer=mro_pointer, mro_type=mro_type, self_class=cls, scope=scope + ) + super_obj.parent = node + return super_obj + + +def _infer_getattr_args(node, context): + if len(node.args) not in (2, 3): + # Not a valid getattr call. + raise UseInferenceDefault + + try: + obj = next(node.args[0].infer(context=context)) + attr = next(node.args[1].infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if obj is util.Uninferable or attr is util.Uninferable: + # If one of the arguments is something we can't infer, + # then also make the result of the getattr call something + # which is unknown. + return util.Uninferable, util.Uninferable + + is_string = isinstance(attr, nodes.Const) and isinstance(attr.value, str) + if not is_string: + raise UseInferenceDefault + + return obj, attr.value + + +def infer_getattr(node, context=None): + """Understand getattr calls + + If one of the arguments is an Uninferable object, then the + result will be an Uninferable object. Otherwise, the normal attribute + lookup will be done. + """ + obj, attr = _infer_getattr_args(node, context) + if ( + obj is util.Uninferable + or attr is util.Uninferable + or not hasattr(obj, "igetattr") + ): + return util.Uninferable + + try: + return next(obj.igetattr(attr, context=context)) + except (StopIteration, InferenceError, AttributeInferenceError): + if len(node.args) == 3: + # Try to infer the default and return it instead. + try: + return next(node.args[2].infer(context=context)) + except (StopIteration, InferenceError) as exc: + raise UseInferenceDefault from exc + + raise UseInferenceDefault + + +def infer_hasattr(node, context=None): + """Understand hasattr calls + + This always guarantees three possible outcomes for calling + hasattr: Const(False) when we are sure that the object + doesn't have the intended attribute, Const(True) when + we know that the object has the attribute and Uninferable + when we are unsure of the outcome of the function call. + """ + try: + obj, attr = _infer_getattr_args(node, context) + if ( + obj is util.Uninferable + or attr is util.Uninferable + or not hasattr(obj, "getattr") + ): + return util.Uninferable + obj.getattr(attr, context=context) + except UseInferenceDefault: + # Can't infer something from this function call. + return util.Uninferable + except AttributeInferenceError: + # Doesn't have it. + return nodes.Const(False) + return nodes.Const(True) + + +def infer_callable(node, context=None): + """Understand callable calls + + This follows Python's semantics, where an object + is callable if it provides an attribute __call__, + even though that attribute is something which can't be + called. + """ + if len(node.args) != 1: + # Invalid callable call. + raise UseInferenceDefault + + argument = node.args[0] + try: + inferred = next(argument.infer(context=context)) + except (InferenceError, StopIteration): + return util.Uninferable + if inferred is util.Uninferable: + return util.Uninferable + return nodes.Const(inferred.callable()) + + +def infer_property(node, context=None): + """Understand `property` class + + This only infers the output of `property` + call, not the arguments themselves. + """ + if len(node.args) < 1: + # Invalid property call. + raise UseInferenceDefault + + getter = node.args[0] + try: + inferred = next(getter.infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if not isinstance(inferred, (nodes.FunctionDef, nodes.Lambda)): + raise UseInferenceDefault + + return objects.Property( + function=inferred, + name=inferred.name, + doc=getattr(inferred, "doc", None), + lineno=node.lineno, + parent=node, + col_offset=node.col_offset, + ) + + +def infer_bool(node, context=None): + """Understand bool calls.""" + if len(node.args) > 1: + # Invalid bool call. + raise UseInferenceDefault + + if not node.args: + return nodes.Const(False) + + argument = node.args[0] + try: + inferred = next(argument.infer(context=context)) + except (InferenceError, StopIteration): + return util.Uninferable + if inferred is util.Uninferable: + return util.Uninferable + + bool_value = inferred.bool_value(context=context) + if bool_value is util.Uninferable: + return util.Uninferable + return nodes.Const(bool_value) + + +def infer_type(node, context=None): + """Understand the one-argument form of *type*.""" + if len(node.args) != 1: + raise UseInferenceDefault + + return helpers.object_type(node.args[0], context) + + +def infer_slice(node, context=None): + """Understand `slice` calls.""" + args = node.args + if not 0 < len(args) <= 3: + raise UseInferenceDefault + + infer_func = partial(helpers.safe_infer, context=context) + args = [infer_func(arg) for arg in args] + for arg in args: + if not arg or arg is util.Uninferable: + raise UseInferenceDefault + if not isinstance(arg, nodes.Const): + raise UseInferenceDefault + if not isinstance(arg.value, (type(None), int)): + raise UseInferenceDefault + + if len(args) < 3: + # Make sure we have 3 arguments. + args.extend([None] * (3 - len(args))) + + slice_node = nodes.Slice( + lineno=node.lineno, col_offset=node.col_offset, parent=node.parent + ) + slice_node.postinit(*args) + return slice_node + + +def _infer_object__new__decorator(node, context=None): + # Instantiate class immediately + # since that's what @object.__new__ does + return iter((node.instantiate_class(),)) + + +def _infer_object__new__decorator_check(node): + """Predicate before inference_tip + + Check if the given ClassDef has an @object.__new__ decorator + """ + if not node.decorators: + return False + + for decorator in node.decorators.nodes: + if isinstance(decorator, nodes.Attribute): + if decorator.as_string() == OBJECT_DUNDER_NEW: + return True + return False + + +def infer_issubclass(callnode, context=None): + """Infer issubclass() calls + + :param nodes.Call callnode: an `issubclass` call + :param InferenceContext context: the context for the inference + :rtype nodes.Const: Boolean Const value of the `issubclass` call + :raises UseInferenceDefault: If the node cannot be inferred + """ + call = arguments.CallSite.from_call(callnode, context=context) + if call.keyword_arguments: + # issubclass doesn't support keyword arguments + raise UseInferenceDefault("TypeError: issubclass() takes no keyword arguments") + if len(call.positional_arguments) != 2: + raise UseInferenceDefault( + "Expected two arguments, got {count}".format( + count=len(call.positional_arguments) + ) + ) + # The left hand argument is the obj to be checked + obj_node, class_or_tuple_node = call.positional_arguments + + try: + obj_type = next(obj_node.infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + if not isinstance(obj_type, nodes.ClassDef): + raise UseInferenceDefault("TypeError: arg 1 must be class") + + # The right hand argument is the class(es) that the given + # object is to be checked against. + try: + class_container = _class_or_tuple_to_container( + class_or_tuple_node, context=context + ) + except InferenceError as exc: + raise UseInferenceDefault from exc + try: + issubclass_bool = helpers.object_issubclass(obj_type, class_container, context) + except AstroidTypeError as exc: + raise UseInferenceDefault("TypeError: " + str(exc)) from exc + except MroError as exc: + raise UseInferenceDefault from exc + return nodes.Const(issubclass_bool) + + +def infer_isinstance(callnode, context=None): + """Infer isinstance calls + + :param nodes.Call callnode: an isinstance call + :param InferenceContext context: context for call + (currently unused but is a common interface for inference) + :rtype nodes.Const: Boolean Const value of isinstance call + + :raises UseInferenceDefault: If the node cannot be inferred + """ + call = arguments.CallSite.from_call(callnode, context=context) + if call.keyword_arguments: + # isinstance doesn't support keyword arguments + raise UseInferenceDefault("TypeError: isinstance() takes no keyword arguments") + if len(call.positional_arguments) != 2: + raise UseInferenceDefault( + "Expected two arguments, got {count}".format( + count=len(call.positional_arguments) + ) + ) + # The left hand argument is the obj to be checked + obj_node, class_or_tuple_node = call.positional_arguments + # The right hand argument is the class(es) that the given + # obj is to be check is an instance of + try: + class_container = _class_or_tuple_to_container( + class_or_tuple_node, context=context + ) + except InferenceError as exc: + raise UseInferenceDefault from exc + try: + isinstance_bool = helpers.object_isinstance(obj_node, class_container, context) + except AstroidTypeError as exc: + raise UseInferenceDefault("TypeError: " + str(exc)) from exc + except MroError as exc: + raise UseInferenceDefault from exc + if isinstance_bool is util.Uninferable: + raise UseInferenceDefault + return nodes.Const(isinstance_bool) + + +def _class_or_tuple_to_container(node, context=None): + # Move inferences results into container + # to simplify later logic + # raises InferenceError if any of the inferences fall through + try: + node_infer = next(node.infer(context=context)) + except StopIteration as e: + raise InferenceError(node=node, context=context) from e + # arg2 MUST be a type or a TUPLE of types + # for isinstance + if isinstance(node_infer, nodes.Tuple): + try: + class_container = [ + next(node.infer(context=context)) for node in node_infer.elts + ] + except StopIteration as e: + raise InferenceError(node=node, context=context) from e + class_container = [ + klass_node for klass_node in class_container if klass_node is not None + ] + else: + class_container = [node_infer] + return class_container + + +def infer_len(node, context=None): + """Infer length calls + + :param nodes.Call node: len call to infer + :param context.InferenceContext: node context + :rtype nodes.Const: a Const node with the inferred length, if possible + """ + call = arguments.CallSite.from_call(node, context=context) + if call.keyword_arguments: + raise UseInferenceDefault("TypeError: len() must take no keyword arguments") + if len(call.positional_arguments) != 1: + raise UseInferenceDefault( + "TypeError: len() must take exactly one argument " + "({len}) given".format(len=len(call.positional_arguments)) + ) + [argument_node] = call.positional_arguments + + try: + return nodes.Const(helpers.object_len(argument_node, context=context)) + except (AstroidTypeError, InferenceError) as exc: + raise UseInferenceDefault(str(exc)) from exc + + +def infer_str(node, context=None): + """Infer str() calls + + :param nodes.Call node: str() call to infer + :param context.InferenceContext: node context + :rtype nodes.Const: a Const containing an empty string + """ + call = arguments.CallSite.from_call(node, context=context) + if call.keyword_arguments: + raise UseInferenceDefault("TypeError: str() must take no keyword arguments") + try: + return nodes.Const("") + except (AstroidTypeError, InferenceError) as exc: + raise UseInferenceDefault(str(exc)) from exc + + +def infer_int(node, context=None): + """Infer int() calls + + :param nodes.Call node: int() call to infer + :param context.InferenceContext: node context + :rtype nodes.Const: a Const containing the integer value of the int() call + """ + call = arguments.CallSite.from_call(node, context=context) + if call.keyword_arguments: + raise UseInferenceDefault("TypeError: int() must take no keyword arguments") + + if call.positional_arguments: + try: + first_value = next(call.positional_arguments[0].infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault(str(exc)) from exc + + if first_value is util.Uninferable: + raise UseInferenceDefault + + if isinstance(first_value, nodes.Const) and isinstance( + first_value.value, (int, str) + ): + try: + actual_value = int(first_value.value) + except ValueError: + return nodes.Const(0) + return nodes.Const(actual_value) + + return nodes.Const(0) + + +def infer_dict_fromkeys(node, context=None): + """Infer dict.fromkeys + + :param nodes.Call node: dict.fromkeys() call to infer + :param context.InferenceContext context: node context + :rtype nodes.Dict: + a Dictionary containing the values that astroid was able to infer. + In case the inference failed for any reason, an empty dictionary + will be inferred instead. + """ + + def _build_dict_with_elements(elements): + new_node = nodes.Dict( + col_offset=node.col_offset, lineno=node.lineno, parent=node.parent + ) + new_node.postinit(elements) + return new_node + + call = arguments.CallSite.from_call(node, context=context) + if call.keyword_arguments: + raise UseInferenceDefault("TypeError: int() must take no keyword arguments") + if len(call.positional_arguments) not in {1, 2}: + raise UseInferenceDefault( + "TypeError: Needs between 1 and 2 positional arguments" + ) + + default = nodes.Const(None) + values = call.positional_arguments[0] + try: + inferred_values = next(values.infer(context=context)) + except (InferenceError, StopIteration): + return _build_dict_with_elements([]) + if inferred_values is util.Uninferable: + return _build_dict_with_elements([]) + + # Limit to a couple of potential values, as this can become pretty complicated + accepted_iterable_elements = (nodes.Const,) + if isinstance(inferred_values, (nodes.List, nodes.Set, nodes.Tuple)): + elements = inferred_values.elts + for element in elements: + if not isinstance(element, accepted_iterable_elements): + # Fallback to an empty dict + return _build_dict_with_elements([]) + + elements_with_value = [(element, default) for element in elements] + return _build_dict_with_elements(elements_with_value) + if isinstance(inferred_values, nodes.Const) and isinstance( + inferred_values.value, (str, bytes) + ): + elements = [ + (nodes.Const(element), default) for element in inferred_values.value + ] + return _build_dict_with_elements(elements) + if isinstance(inferred_values, nodes.Dict): + keys = inferred_values.itered() + for key in keys: + if not isinstance(key, accepted_iterable_elements): + # Fallback to an empty dict + return _build_dict_with_elements([]) + + elements_with_value = [(element, default) for element in keys] + return _build_dict_with_elements(elements_with_value) + + # Fallback to an empty dictionary + return _build_dict_with_elements([]) + + +# Builtins inference +register_builtin_transform(infer_bool, "bool") +register_builtin_transform(infer_super, "super") +register_builtin_transform(infer_callable, "callable") +register_builtin_transform(infer_property, "property") +register_builtin_transform(infer_getattr, "getattr") +register_builtin_transform(infer_hasattr, "hasattr") +register_builtin_transform(infer_tuple, "tuple") +register_builtin_transform(infer_set, "set") +register_builtin_transform(infer_list, "list") +register_builtin_transform(infer_dict, "dict") +register_builtin_transform(infer_frozenset, "frozenset") +register_builtin_transform(infer_type, "type") +register_builtin_transform(infer_slice, "slice") +register_builtin_transform(infer_isinstance, "isinstance") +register_builtin_transform(infer_issubclass, "issubclass") +register_builtin_transform(infer_len, "len") +register_builtin_transform(infer_str, "str") +register_builtin_transform(infer_int, "int") +register_builtin_transform(infer_dict_fromkeys, "dict.fromkeys") + + +# Infer object.__new__ calls +AstroidManager().register_transform( + nodes.ClassDef, + inference_tip(_infer_object__new__decorator), + _infer_object__new__decorator_check, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_collections.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_collections.py new file mode 100644 index 0000000..f96b4aa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_collections.py @@ -0,0 +1,131 @@ +# Copyright (c) 2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2016-2017 Łukasz Rogalski +# Copyright (c) 2017 Derek Gustafson +# Copyright (c) 2018 Ioana Tagirta +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +from astroid.brain.helpers import register_module_extender +from astroid.builder import extract_node, parse +from astroid.const import PY39_PLUS +from astroid.exceptions import AttributeInferenceError +from astroid.manager import AstroidManager +from astroid.scoped_nodes import ClassDef + + +def _collections_transform(): + return parse( + """ + class defaultdict(dict): + default_factory = None + def __missing__(self, key): pass + def __getitem__(self, key): return default_factory + + """ + + _deque_mock() + + _ordered_dict_mock() + ) + + +def _deque_mock(): + base_deque_class = """ + class deque(object): + maxlen = 0 + def __init__(self, iterable=None, maxlen=None): + self.iterable = iterable or [] + def append(self, x): pass + def appendleft(self, x): pass + def clear(self): pass + def count(self, x): return 0 + def extend(self, iterable): pass + def extendleft(self, iterable): pass + def pop(self): return self.iterable[0] + def popleft(self): return self.iterable[0] + def remove(self, value): pass + def reverse(self): return reversed(self.iterable) + def rotate(self, n=1): return self + def __iter__(self): return self + def __reversed__(self): return self.iterable[::-1] + def __getitem__(self, index): return self.iterable[index] + def __setitem__(self, index, value): pass + def __delitem__(self, index): pass + def __bool__(self): return bool(self.iterable) + def __nonzero__(self): return bool(self.iterable) + def __contains__(self, o): return o in self.iterable + def __len__(self): return len(self.iterable) + def __copy__(self): return deque(self.iterable) + def copy(self): return deque(self.iterable) + def index(self, x, start=0, end=0): return 0 + def insert(self, x, i): pass + def __add__(self, other): pass + def __iadd__(self, other): pass + def __mul__(self, other): pass + def __imul__(self, other): pass + def __rmul__(self, other): pass""" + if PY39_PLUS: + base_deque_class += """ + @classmethod + def __class_getitem__(self, item): return cls""" + return base_deque_class + + +def _ordered_dict_mock(): + base_ordered_dict_class = """ + class OrderedDict(dict): + def __reversed__(self): return self[::-1] + def move_to_end(self, key, last=False): pass""" + if PY39_PLUS: + base_ordered_dict_class += """ + @classmethod + def __class_getitem__(cls, item): return cls""" + return base_ordered_dict_class + + +register_module_extender(AstroidManager(), "collections", _collections_transform) + + +def _looks_like_subscriptable(node: ClassDef) -> bool: + """ + Returns True if the node corresponds to a ClassDef of the Collections.abc module that + supports subscripting + + :param node: ClassDef node + """ + if node.qname().startswith("_collections") or node.qname().startswith( + "collections" + ): + try: + node.getattr("__class_getitem__") + return True + except AttributeInferenceError: + pass + return False + + +CLASS_GET_ITEM_TEMPLATE = """ +@classmethod +def __class_getitem__(cls, item): + return cls +""" + + +def easy_class_getitem_inference(node, context=None): + # Here __class_getitem__ exists but is quite a mess to infer thus + # put an easy inference tip + func_to_add = extract_node(CLASS_GET_ITEM_TEMPLATE) + node.locals["__class_getitem__"] = [func_to_add] + + +if PY39_PLUS: + # Starting with Python39 some objects of the collection module are subscriptable + # thanks to the __class_getitem__ method but the way it is implemented in + # _collection_abc makes it difficult to infer. (We would have to handle AssignName inference in the + # getitem method of the ClassDef class) Instead we put here a mock of the __class_getitem__ method + AstroidManager().register_transform( + ClassDef, easy_class_getitem_inference, _looks_like_subscriptable + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_crypt.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_crypt.py new file mode 100644 index 0000000..b0ed9ce --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_crypt.py @@ -0,0 +1,26 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.const import PY37_PLUS +from astroid.manager import AstroidManager + +if PY37_PLUS: + # Since Python 3.7 Hashing Methods are added + # dynamically to globals() + + def _re_transform(): + return parse( + """ + from collections import namedtuple + _Method = namedtuple('_Method', 'name ident salt_chars total_size') + + METHOD_SHA512 = _Method('SHA512', '6', 16, 106) + METHOD_SHA256 = _Method('SHA256', '5', 16, 63) + METHOD_BLOWFISH = _Method('BLOWFISH', 2, 'b', 22) + METHOD_MD5 = _Method('MD5', '1', 8, 34) + METHOD_CRYPT = _Method('CRYPT', None, 2, 13) + """ + ) + + register_module_extender(AstroidManager(), "crypt", _re_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_curses.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_curses.py new file mode 100644 index 0000000..f623e2b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_curses.py @@ -0,0 +1,181 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def _curses_transform(): + return parse( + """ + A_ALTCHARSET = 1 + A_BLINK = 1 + A_BOLD = 1 + A_DIM = 1 + A_INVIS = 1 + A_ITALIC = 1 + A_NORMAL = 1 + A_PROTECT = 1 + A_REVERSE = 1 + A_STANDOUT = 1 + A_UNDERLINE = 1 + A_HORIZONTAL = 1 + A_LEFT = 1 + A_LOW = 1 + A_RIGHT = 1 + A_TOP = 1 + A_VERTICAL = 1 + A_CHARTEXT = 1 + A_ATTRIBUTES = 1 + A_CHARTEXT = 1 + A_COLOR = 1 + KEY_MIN = 1 + KEY_BREAK = 1 + KEY_DOWN = 1 + KEY_UP = 1 + KEY_LEFT = 1 + KEY_RIGHT = 1 + KEY_HOME = 1 + KEY_BACKSPACE = 1 + KEY_F0 = 1 + KEY_Fn = 1 + KEY_DL = 1 + KEY_IL = 1 + KEY_DC = 1 + KEY_IC = 1 + KEY_EIC = 1 + KEY_CLEAR = 1 + KEY_EOS = 1 + KEY_EOL = 1 + KEY_SF = 1 + KEY_SR = 1 + KEY_NPAGE = 1 + KEY_PPAGE = 1 + KEY_STAB = 1 + KEY_CTAB = 1 + KEY_CATAB = 1 + KEY_ENTER = 1 + KEY_SRESET = 1 + KEY_RESET = 1 + KEY_PRINT = 1 + KEY_LL = 1 + KEY_A1 = 1 + KEY_A3 = 1 + KEY_B2 = 1 + KEY_C1 = 1 + KEY_C3 = 1 + KEY_BTAB = 1 + KEY_BEG = 1 + KEY_CANCEL = 1 + KEY_CLOSE = 1 + KEY_COMMAND = 1 + KEY_COPY = 1 + KEY_CREATE = 1 + KEY_END = 1 + KEY_EXIT = 1 + KEY_FIND = 1 + KEY_HELP = 1 + KEY_MARK = 1 + KEY_MESSAGE = 1 + KEY_MOVE = 1 + KEY_NEXT = 1 + KEY_OPEN = 1 + KEY_OPTIONS = 1 + KEY_PREVIOUS = 1 + KEY_REDO = 1 + KEY_REFERENCE = 1 + KEY_REFRESH = 1 + KEY_REPLACE = 1 + KEY_RESTART = 1 + KEY_RESUME = 1 + KEY_SAVE = 1 + KEY_SBEG = 1 + KEY_SCANCEL = 1 + KEY_SCOMMAND = 1 + KEY_SCOPY = 1 + KEY_SCREATE = 1 + KEY_SDC = 1 + KEY_SDL = 1 + KEY_SELECT = 1 + KEY_SEND = 1 + KEY_SEOL = 1 + KEY_SEXIT = 1 + KEY_SFIND = 1 + KEY_SHELP = 1 + KEY_SHOME = 1 + KEY_SIC = 1 + KEY_SLEFT = 1 + KEY_SMESSAGE = 1 + KEY_SMOVE = 1 + KEY_SNEXT = 1 + KEY_SOPTIONS = 1 + KEY_SPREVIOUS = 1 + KEY_SPRINT = 1 + KEY_SREDO = 1 + KEY_SREPLACE = 1 + KEY_SRIGHT = 1 + KEY_SRSUME = 1 + KEY_SSAVE = 1 + KEY_SSUSPEND = 1 + KEY_SUNDO = 1 + KEY_SUSPEND = 1 + KEY_UNDO = 1 + KEY_MOUSE = 1 + KEY_RESIZE = 1 + KEY_MAX = 1 + ACS_BBSS = 1 + ACS_BLOCK = 1 + ACS_BOARD = 1 + ACS_BSBS = 1 + ACS_BSSB = 1 + ACS_BSSS = 1 + ACS_BTEE = 1 + ACS_BULLET = 1 + ACS_CKBOARD = 1 + ACS_DARROW = 1 + ACS_DEGREE = 1 + ACS_DIAMOND = 1 + ACS_GEQUAL = 1 + ACS_HLINE = 1 + ACS_LANTERN = 1 + ACS_LARROW = 1 + ACS_LEQUAL = 1 + ACS_LLCORNER = 1 + ACS_LRCORNER = 1 + ACS_LTEE = 1 + ACS_NEQUAL = 1 + ACS_PI = 1 + ACS_PLMINUS = 1 + ACS_PLUS = 1 + ACS_RARROW = 1 + ACS_RTEE = 1 + ACS_S1 = 1 + ACS_S3 = 1 + ACS_S7 = 1 + ACS_S9 = 1 + ACS_SBBS = 1 + ACS_SBSB = 1 + ACS_SBSS = 1 + ACS_SSBB = 1 + ACS_SSBS = 1 + ACS_SSSB = 1 + ACS_SSSS = 1 + ACS_STERLING = 1 + ACS_TTEE = 1 + ACS_UARROW = 1 + ACS_ULCORNER = 1 + ACS_URCORNER = 1 + ACS_VLINE = 1 + COLOR_BLACK = 1 + COLOR_BLUE = 1 + COLOR_CYAN = 1 + COLOR_GREEN = 1 + COLOR_MAGENTA = 1 + COLOR_RED = 1 + COLOR_WHITE = 1 + COLOR_YELLOW = 1 + """ + ) + + +register_module_extender(AstroidManager(), "curses", _curses_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dataclasses.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dataclasses.py new file mode 100644 index 0000000..09463ec --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dataclasses.py @@ -0,0 +1,69 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +""" +Astroid hook for the dataclasses library +""" +from astroid.manager import AstroidManager +from astroid.node_classes import ( + AnnAssign, + Assign, + Attribute, + Call, + Name, + Subscript, + Unknown, +) +from astroid.scoped_nodes import ClassDef + +DATACLASSES_DECORATORS = frozenset(("dataclasses.dataclass", "dataclass")) + + +def is_decorated_with_dataclass(node, decorator_names=DATACLASSES_DECORATORS): + """Return True if a decorated node has a `dataclass` decorator applied.""" + if not node.decorators: + return False + for decorator_attribute in node.decorators.nodes: + if isinstance(decorator_attribute, Call): # decorator with arguments + decorator_attribute = decorator_attribute.func + if decorator_attribute.as_string() in decorator_names: + return True + return False + + +def dataclass_transform(node): + """Rewrite a dataclass to be easily understood by pylint""" + + for assign_node in node.body: + if not isinstance(assign_node, (AnnAssign, Assign)): + continue + + if ( + isinstance(assign_node, AnnAssign) + and isinstance(assign_node.annotation, Subscript) + and ( + isinstance(assign_node.annotation.value, Name) + and assign_node.annotation.value.name == "ClassVar" + or isinstance(assign_node.annotation.value, Attribute) + and assign_node.annotation.value.attrname == "ClassVar" + ) + ): + continue + + targets = ( + assign_node.targets + if hasattr(assign_node, "targets") + else [assign_node.target] + ) + for target in targets: + rhs_node = Unknown( + lineno=assign_node.lineno, + col_offset=assign_node.col_offset, + parent=assign_node, + ) + node.instance_attrs[target.name] = [rhs_node] + node.locals[target.name] = [rhs_node] + + +AstroidManager().register_transform( + ClassDef, dataclass_transform, is_decorated_with_dataclass +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dateutil.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dateutil.py new file mode 100644 index 0000000..11ae3bc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_dateutil.py @@ -0,0 +1,32 @@ +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2015 raylu +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for dateutil""" + +import textwrap + +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.manager import AstroidManager + + +def dateutil_transform(): + return AstroidBuilder(AstroidManager()).string_build( + textwrap.dedent( + """ + import datetime + def parse(timestr, parserinfo=None, **kwargs): + return datetime.datetime() + """ + ) + ) + + +register_module_extender(AstroidManager(), "dateutil.parser", dateutil_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_fstrings.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_fstrings.py new file mode 100644 index 0000000..0669128 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_fstrings.py @@ -0,0 +1,52 @@ +# Copyright (c) 2017-2018, 2020 Claudiu Popa +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Karthikeyan Singaravelan +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +import collections.abc + +from astroid.manager import AstroidManager +from astroid.node_classes import FormattedValue + + +def _clone_node_with_lineno(node, parent, lineno): + cls = node.__class__ + other_fields = node._other_fields + _astroid_fields = node._astroid_fields + init_params = {"lineno": lineno, "col_offset": node.col_offset, "parent": parent} + postinit_params = {param: getattr(node, param) for param in _astroid_fields} + if other_fields: + init_params.update({param: getattr(node, param) for param in other_fields}) + new_node = cls(**init_params) + if hasattr(node, "postinit") and _astroid_fields: + for param, child in postinit_params.items(): + if child and not isinstance(child, collections.abc.Sequence): + cloned_child = _clone_node_with_lineno( + node=child, lineno=new_node.lineno, parent=new_node + ) + postinit_params[param] = cloned_child + new_node.postinit(**postinit_params) + return new_node + + +def _transform_formatted_value(node): # pylint: disable=inconsistent-return-statements + if node.value and node.value.lineno == 1: + if node.lineno != node.value.lineno: + new_node = FormattedValue( + lineno=node.lineno, col_offset=node.col_offset, parent=node.parent + ) + new_value = _clone_node_with_lineno( + node=node.value, lineno=node.lineno, parent=new_node + ) + new_node.postinit(value=new_value, format_spec=node.format_spec) + return new_node + + +# TODO: this fix tries to *patch* http://bugs.python.org/issue29051 +# The problem is that FormattedValue.value, which is a Name node, +# has wrong line numbers, usually 1. This creates problems for pylint, +# which expects correct line numbers for things such as message control. +AstroidManager().register_transform(FormattedValue, _transform_formatted_value) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_functools.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_functools.py new file mode 100644 index 0000000..ffab123 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_functools.py @@ -0,0 +1,157 @@ +# Copyright (c) 2016, 2018-2020 Claudiu Popa +# Copyright (c) 2018 hippo91 +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2021 Alphadelta14 +# Copyright (c) 2021 Pierre Sassoulas + +"""Astroid hooks for understanding functools library module.""" +from functools import partial +from itertools import chain + +from astroid import BoundMethod, arguments, extract_node, helpers, objects +from astroid.exceptions import InferenceError, UseInferenceDefault +from astroid.inference_tip import inference_tip +from astroid.interpreter import objectmodel +from astroid.manager import AstroidManager +from astroid.node_classes import AssignName, Attribute, Call, Name +from astroid.scoped_nodes import FunctionDef +from astroid.util import Uninferable + +LRU_CACHE = "functools.lru_cache" + + +class LruWrappedModel(objectmodel.FunctionModel): + """Special attribute model for functions decorated with functools.lru_cache. + + The said decorators patches at decoration time some functions onto + the decorated function. + """ + + @property + def attr___wrapped__(self): + return self._instance + + @property + def attr_cache_info(self): + cache_info = extract_node( + """ + from functools import _CacheInfo + _CacheInfo(0, 0, 0, 0) + """ + ) + + class CacheInfoBoundMethod(BoundMethod): + def infer_call_result(self, caller, context=None): + yield helpers.safe_infer(cache_info) + + return CacheInfoBoundMethod(proxy=self._instance, bound=self._instance) + + @property + def attr_cache_clear(self): + node = extract_node("""def cache_clear(self): pass""") + return BoundMethod(proxy=node, bound=self._instance.parent.scope()) + + +def _transform_lru_cache(node, context=None) -> None: + # TODO: this is not ideal, since the node should be immutable, + # but due to https://github.com/PyCQA/astroid/issues/354, + # there's not much we can do now. + # Replacing the node would work partially, because, + # in pylint, the old node would still be available, leading + # to spurious false positives. + node.special_attributes = LruWrappedModel()(node) + + +def _functools_partial_inference(node, context=None): + call = arguments.CallSite.from_call(node, context=context) + number_of_positional = len(call.positional_arguments) + if number_of_positional < 1: + raise UseInferenceDefault("functools.partial takes at least one argument") + if number_of_positional == 1 and not call.keyword_arguments: + raise UseInferenceDefault( + "functools.partial needs at least to have some filled arguments" + ) + + partial_function = call.positional_arguments[0] + try: + inferred_wrapped_function = next(partial_function.infer(context=context)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + if inferred_wrapped_function is Uninferable: + raise UseInferenceDefault("Cannot infer the wrapped function") + if not isinstance(inferred_wrapped_function, FunctionDef): + raise UseInferenceDefault("The wrapped function is not a function") + + # Determine if the passed keywords into the callsite are supported + # by the wrapped function. + if not inferred_wrapped_function.args: + function_parameters = [] + else: + function_parameters = chain( + inferred_wrapped_function.args.args or (), + inferred_wrapped_function.args.posonlyargs or (), + inferred_wrapped_function.args.kwonlyargs or (), + ) + parameter_names = { + param.name for param in function_parameters if isinstance(param, AssignName) + } + if set(call.keyword_arguments) - parameter_names: + raise UseInferenceDefault("wrapped function received unknown parameters") + + partial_function = objects.PartialFunction( + call, + name=inferred_wrapped_function.name, + doc=inferred_wrapped_function.doc, + lineno=inferred_wrapped_function.lineno, + col_offset=inferred_wrapped_function.col_offset, + parent=node.parent, + ) + partial_function.postinit( + args=inferred_wrapped_function.args, + body=inferred_wrapped_function.body, + decorators=inferred_wrapped_function.decorators, + returns=inferred_wrapped_function.returns, + type_comment_returns=inferred_wrapped_function.type_comment_returns, + type_comment_args=inferred_wrapped_function.type_comment_args, + ) + return iter((partial_function,)) + + +def _looks_like_lru_cache(node): + """Check if the given function node is decorated with lru_cache.""" + if not node.decorators: + return False + for decorator in node.decorators.nodes: + if not isinstance(decorator, Call): + continue + if _looks_like_functools_member(decorator, "lru_cache"): + return True + return False + + +def _looks_like_functools_member(node, member) -> bool: + """Check if the given Call node is a functools.partial call""" + if isinstance(node.func, Name): + return node.func.name == member + if isinstance(node.func, Attribute): + return ( + node.func.attrname == member + and isinstance(node.func.expr, Name) + and node.func.expr.name == "functools" + ) + return False + + +_looks_like_partial = partial(_looks_like_functools_member, member="partial") + + +AstroidManager().register_transform( + FunctionDef, _transform_lru_cache, _looks_like_lru_cache +) + + +AstroidManager().register_transform( + Call, + inference_tip(_functools_partial_inference), + _looks_like_partial, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_gi.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_gi.py new file mode 100644 index 0000000..89b712c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_gi.py @@ -0,0 +1,261 @@ +# Copyright (c) 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Cole Robinson +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 David Shea +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2016 Giuseppe Scrivano +# Copyright (c) 2018 Christoph Reiter +# Copyright (c) 2019 Philipp Hörist +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for the Python 2 GObject introspection bindings. + +Helps with understanding everything imported from 'gi.repository' +""" + +# pylint:disable=import-error,import-outside-toplevel + +import inspect +import itertools +import re +import sys +import warnings + +from astroid import nodes +from astroid.builder import AstroidBuilder +from astroid.exceptions import AstroidBuildingError +from astroid.manager import AstroidManager + +_inspected_modules = {} + +_identifier_re = r"^[A-Za-z_]\w*$" + +_special_methods = frozenset( + { + "__lt__", + "__le__", + "__eq__", + "__ne__", + "__ge__", + "__gt__", + "__iter__", + "__getitem__", + "__setitem__", + "__delitem__", + "__len__", + "__bool__", + "__nonzero__", + "__next__", + "__str__", + "__len__", + "__contains__", + "__enter__", + "__exit__", + "__repr__", + "__getattr__", + "__setattr__", + "__delattr__", + "__del__", + "__hash__", + } +) + + +def _gi_build_stub(parent): + """ + Inspect the passed module recursively and build stubs for functions, + classes, etc. + """ + classes = {} + functions = {} + constants = {} + methods = {} + for name in dir(parent): + if name.startswith("__") and name not in _special_methods: + continue + + # Check if this is a valid name in python + if not re.match(_identifier_re, name): + continue + + try: + obj = getattr(parent, name) + except AttributeError: + continue + + if inspect.isclass(obj): + classes[name] = obj + elif inspect.isfunction(obj) or inspect.isbuiltin(obj): + functions[name] = obj + elif inspect.ismethod(obj) or inspect.ismethoddescriptor(obj): + methods[name] = obj + elif ( + str(obj).startswith(", ) + # Only accept function calls with two constant arguments + if len(node.args) != 2: + return False + + if not all(isinstance(arg, nodes.Const) for arg in node.args): + return False + + func = node.func + if isinstance(func, nodes.Attribute): + if func.attrname != "require_version": + return False + if isinstance(func.expr, nodes.Name) and func.expr.name == "gi": + return True + + return False + + if isinstance(func, nodes.Name): + return func.name == "require_version" + + return False + + +def _register_require_version(node): + # Load the gi.require_version locally + try: + import gi + + gi.require_version(node.args[0].value, node.args[1].value) + except Exception: # pylint:disable=broad-except + pass + + return node + + +AstroidManager().register_failed_import_hook(_import_gi_module) +AstroidManager().register_transform( + nodes.Call, _register_require_version, _looks_like_require_version +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hashlib.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hashlib.py new file mode 100644 index 0000000..3671490 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hashlib.py @@ -0,0 +1,64 @@ +# Copyright (c) 2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2018 David Poirier +# Copyright (c) 2018 wgehalo +# Copyright (c) 2018 Ioana Tagirta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 David Gilman +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def _hashlib_transform(): + signature = "value=''" + template = """ + class %(name)s(object): + def __init__(self, %(signature)s): pass + def digest(self): + return %(digest)s + def copy(self): + return self + def update(self, value): pass + def hexdigest(self): + return '' + @property + def name(self): + return %(name)r + @property + def block_size(self): + return 1 + @property + def digest_size(self): + return 1 + """ + algorithms_with_signature = dict.fromkeys( + ["md5", "sha1", "sha224", "sha256", "sha384", "sha512"], signature + ) + blake2b_signature = "data=b'', *, digest_size=64, key=b'', salt=b'', \ + person=b'', fanout=1, depth=1, leaf_size=0, node_offset=0, \ + node_depth=0, inner_size=0, last_node=False" + blake2s_signature = "data=b'', *, digest_size=32, key=b'', salt=b'', \ + person=b'', fanout=1, depth=1, leaf_size=0, node_offset=0, \ + node_depth=0, inner_size=0, last_node=False" + new_algorithms = dict.fromkeys( + ["sha3_224", "sha3_256", "sha3_384", "sha3_512", "shake_128", "shake_256"], + signature, + ) + algorithms_with_signature.update(new_algorithms) + algorithms_with_signature.update( + {"blake2b": blake2b_signature, "blake2s": blake2s_signature} + ) + classes = "".join( + template % {"name": hashfunc, "digest": 'b""', "signature": signature} + for hashfunc, signature in algorithms_with_signature.items() + ) + return parse(classes) + + +register_module_extender(AstroidManager(), "hashlib", _hashlib_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_http.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_http.py new file mode 100644 index 0000000..b8d0f36 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_http.py @@ -0,0 +1,215 @@ +# Copyright (c) 2019-2020 Claudiu Popa +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid brain hints for some of the `http` module.""" +import textwrap + +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.manager import AstroidManager + + +def _http_transform(): + code = textwrap.dedent( + """ + from collections import namedtuple + _HTTPStatus = namedtuple('_HTTPStatus', 'value phrase description') + + class HTTPStatus: + + @property + def phrase(self): + return "" + @property + def value(self): + return 0 + @property + def description(self): + return "" + + # informational + CONTINUE = _HTTPStatus(100, 'Continue', 'Request received, please continue') + SWITCHING_PROTOCOLS = _HTTPStatus(101, 'Switching Protocols', + 'Switching to new protocol; obey Upgrade header') + PROCESSING = _HTTPStatus(102, 'Processing', '') + OK = _HTTPStatus(200, 'OK', 'Request fulfilled, document follows') + CREATED = _HTTPStatus(201, 'Created', 'Document created, URL follows') + ACCEPTED = _HTTPStatus(202, 'Accepted', + 'Request accepted, processing continues off-line') + NON_AUTHORITATIVE_INFORMATION = _HTTPStatus(203, + 'Non-Authoritative Information', 'Request fulfilled from cache') + NO_CONTENT = _HTTPStatus(204, 'No Content', 'Request fulfilled, nothing follows') + RESET_CONTENT =_HTTPStatus(205, 'Reset Content', 'Clear input form for further input') + PARTIAL_CONTENT = _HTTPStatus(206, 'Partial Content', 'Partial content follows') + MULTI_STATUS = _HTTPStatus(207, 'Multi-Status', '') + ALREADY_REPORTED = _HTTPStatus(208, 'Already Reported', '') + IM_USED = _HTTPStatus(226, 'IM Used', '') + MULTIPLE_CHOICES = _HTTPStatus(300, 'Multiple Choices', + 'Object has several resources -- see URI list') + MOVED_PERMANENTLY = _HTTPStatus(301, 'Moved Permanently', + 'Object moved permanently -- see URI list') + FOUND = _HTTPStatus(302, 'Found', 'Object moved temporarily -- see URI list') + SEE_OTHER = _HTTPStatus(303, 'See Other', 'Object moved -- see Method and URL list') + NOT_MODIFIED = _HTTPStatus(304, 'Not Modified', + 'Document has not changed since given time') + USE_PROXY = _HTTPStatus(305, 'Use Proxy', + 'You must use proxy specified in Location to access this resource') + TEMPORARY_REDIRECT = _HTTPStatus(307, 'Temporary Redirect', + 'Object moved temporarily -- see URI list') + PERMANENT_REDIRECT = _HTTPStatus(308, 'Permanent Redirect', + 'Object moved permanently -- see URI list') + BAD_REQUEST = _HTTPStatus(400, 'Bad Request', + 'Bad request syntax or unsupported method') + UNAUTHORIZED = _HTTPStatus(401, 'Unauthorized', + 'No permission -- see authorization schemes') + PAYMENT_REQUIRED = _HTTPStatus(402, 'Payment Required', + 'No payment -- see charging schemes') + FORBIDDEN = _HTTPStatus(403, 'Forbidden', + 'Request forbidden -- authorization will not help') + NOT_FOUND = _HTTPStatus(404, 'Not Found', + 'Nothing matches the given URI') + METHOD_NOT_ALLOWED = _HTTPStatus(405, 'Method Not Allowed', + 'Specified method is invalid for this resource') + NOT_ACCEPTABLE = _HTTPStatus(406, 'Not Acceptable', + 'URI not available in preferred format') + PROXY_AUTHENTICATION_REQUIRED = _HTTPStatus(407, + 'Proxy Authentication Required', + 'You must authenticate with this proxy before proceeding') + REQUEST_TIMEOUT = _HTTPStatus(408, 'Request Timeout', + 'Request timed out; try again later') + CONFLICT = _HTTPStatus(409, 'Conflict', 'Request conflict') + GONE = _HTTPStatus(410, 'Gone', + 'URI no longer exists and has been permanently removed') + LENGTH_REQUIRED = _HTTPStatus(411, 'Length Required', + 'Client must specify Content-Length') + PRECONDITION_FAILED = _HTTPStatus(412, 'Precondition Failed', + 'Precondition in headers is false') + REQUEST_ENTITY_TOO_LARGE = _HTTPStatus(413, 'Request Entity Too Large', + 'Entity is too large') + REQUEST_URI_TOO_LONG = _HTTPStatus(414, 'Request-URI Too Long', + 'URI is too long') + UNSUPPORTED_MEDIA_TYPE = _HTTPStatus(415, 'Unsupported Media Type', + 'Entity body in unsupported format') + REQUESTED_RANGE_NOT_SATISFIABLE = _HTTPStatus(416, + 'Requested Range Not Satisfiable', + 'Cannot satisfy request range') + EXPECTATION_FAILED = _HTTPStatus(417, 'Expectation Failed', + 'Expect condition could not be satisfied') + MISDIRECTED_REQUEST = _HTTPStatus(421, 'Misdirected Request', + 'Server is not able to produce a response') + UNPROCESSABLE_ENTITY = _HTTPStatus(422, 'Unprocessable Entity') + LOCKED = _HTTPStatus(423, 'Locked') + FAILED_DEPENDENCY = _HTTPStatus(424, 'Failed Dependency') + UPGRADE_REQUIRED = _HTTPStatus(426, 'Upgrade Required') + PRECONDITION_REQUIRED = _HTTPStatus(428, 'Precondition Required', + 'The origin server requires the request to be conditional') + TOO_MANY_REQUESTS = _HTTPStatus(429, 'Too Many Requests', + 'The user has sent too many requests in ' + 'a given amount of time ("rate limiting")') + REQUEST_HEADER_FIELDS_TOO_LARGE = _HTTPStatus(431, + 'Request Header Fields Too Large', + 'The server is unwilling to process the request because its header ' + 'fields are too large') + UNAVAILABLE_FOR_LEGAL_REASONS = _HTTPStatus(451, + 'Unavailable For Legal Reasons', + 'The server is denying access to the ' + 'resource as a consequence of a legal demand') + INTERNAL_SERVER_ERROR = _HTTPStatus(500, 'Internal Server Error', + 'Server got itself in trouble') + NOT_IMPLEMENTED = _HTTPStatus(501, 'Not Implemented', + 'Server does not support this operation') + BAD_GATEWAY = _HTTPStatus(502, 'Bad Gateway', + 'Invalid responses from another server/proxy') + SERVICE_UNAVAILABLE = _HTTPStatus(503, 'Service Unavailable', + 'The server cannot process the request due to a high load') + GATEWAY_TIMEOUT = _HTTPStatus(504, 'Gateway Timeout', + 'The gateway server did not receive a timely response') + HTTP_VERSION_NOT_SUPPORTED = _HTTPStatus(505, 'HTTP Version Not Supported', + 'Cannot fulfill request') + VARIANT_ALSO_NEGOTIATES = _HTTPStatus(506, 'Variant Also Negotiates') + INSUFFICIENT_STORAGE = _HTTPStatus(507, 'Insufficient Storage') + LOOP_DETECTED = _HTTPStatus(508, 'Loop Detected') + NOT_EXTENDED = _HTTPStatus(510, 'Not Extended') + NETWORK_AUTHENTICATION_REQUIRED = _HTTPStatus(511, + 'Network Authentication Required', + 'The client needs to authenticate to gain network access') + """ + ) + return AstroidBuilder(AstroidManager()).string_build(code) + + +def _http_client_transform(): + return AstroidBuilder(AstroidManager()).string_build( + textwrap.dedent( + """ + from http import HTTPStatus + + CONTINUE = HTTPStatus.CONTINUE + SWITCHING_PROTOCOLS = HTTPStatus.SWITCHING_PROTOCOLS + PROCESSING = HTTPStatus.PROCESSING + OK = HTTPStatus.OK + CREATED = HTTPStatus.CREATED + ACCEPTED = HTTPStatus.ACCEPTED + NON_AUTHORITATIVE_INFORMATION = HTTPStatus.NON_AUTHORITATIVE_INFORMATION + NO_CONTENT = HTTPStatus.NO_CONTENT + RESET_CONTENT = HTTPStatus.RESET_CONTENT + PARTIAL_CONTENT = HTTPStatus.PARTIAL_CONTENT + MULTI_STATUS = HTTPStatus.MULTI_STATUS + ALREADY_REPORTED = HTTPStatus.ALREADY_REPORTED + IM_USED = HTTPStatus.IM_USED + MULTIPLE_CHOICES = HTTPStatus.MULTIPLE_CHOICES + MOVED_PERMANENTLY = HTTPStatus.MOVED_PERMANENTLY + FOUND = HTTPStatus.FOUND + SEE_OTHER = HTTPStatus.SEE_OTHER + NOT_MODIFIED = HTTPStatus.NOT_MODIFIED + USE_PROXY = HTTPStatus.USE_PROXY + TEMPORARY_REDIRECT = HTTPStatus.TEMPORARY_REDIRECT + PERMANENT_REDIRECT = HTTPStatus.PERMANENT_REDIRECT + BAD_REQUEST = HTTPStatus.BAD_REQUEST + UNAUTHORIZED = HTTPStatus.UNAUTHORIZED + PAYMENT_REQUIRED = HTTPStatus.PAYMENT_REQUIRED + FORBIDDEN = HTTPStatus.FORBIDDEN + NOT_FOUND = HTTPStatus.NOT_FOUND + METHOD_NOT_ALLOWED = HTTPStatus.METHOD_NOT_ALLOWED + NOT_ACCEPTABLE = HTTPStatus.NOT_ACCEPTABLE + PROXY_AUTHENTICATION_REQUIRED = HTTPStatus.PROXY_AUTHENTICATION_REQUIRED + REQUEST_TIMEOUT = HTTPStatus.REQUEST_TIMEOUT + CONFLICT = HTTPStatus.CONFLICT + GONE = HTTPStatus.GONE + LENGTH_REQUIRED = HTTPStatus.LENGTH_REQUIRED + PRECONDITION_FAILED = HTTPStatus.PRECONDITION_FAILED + REQUEST_ENTITY_TOO_LARGE = HTTPStatus.REQUEST_ENTITY_TOO_LARGE + REQUEST_URI_TOO_LONG = HTTPStatus.REQUEST_URI_TOO_LONG + UNSUPPORTED_MEDIA_TYPE = HTTPStatus.UNSUPPORTED_MEDIA_TYPE + REQUESTED_RANGE_NOT_SATISFIABLE = HTTPStatus.REQUESTED_RANGE_NOT_SATISFIABLE + EXPECTATION_FAILED = HTTPStatus.EXPECTATION_FAILED + UNPROCESSABLE_ENTITY = HTTPStatus.UNPROCESSABLE_ENTITY + LOCKED = HTTPStatus.LOCKED + FAILED_DEPENDENCY = HTTPStatus.FAILED_DEPENDENCY + UPGRADE_REQUIRED = HTTPStatus.UPGRADE_REQUIRED + PRECONDITION_REQUIRED = HTTPStatus.PRECONDITION_REQUIRED + TOO_MANY_REQUESTS = HTTPStatus.TOO_MANY_REQUESTS + REQUEST_HEADER_FIELDS_TOO_LARGE = HTTPStatus.REQUEST_HEADER_FIELDS_TOO_LARGE + INTERNAL_SERVER_ERROR = HTTPStatus.INTERNAL_SERVER_ERROR + NOT_IMPLEMENTED = HTTPStatus.NOT_IMPLEMENTED + BAD_GATEWAY = HTTPStatus.BAD_GATEWAY + SERVICE_UNAVAILABLE = HTTPStatus.SERVICE_UNAVAILABLE + GATEWAY_TIMEOUT = HTTPStatus.GATEWAY_TIMEOUT + HTTP_VERSION_NOT_SUPPORTED = HTTPStatus.HTTP_VERSION_NOT_SUPPORTED + VARIANT_ALSO_NEGOTIATES = HTTPStatus.VARIANT_ALSO_NEGOTIATES + INSUFFICIENT_STORAGE = HTTPStatus.INSUFFICIENT_STORAGE + LOOP_DETECTED = HTTPStatus.LOOP_DETECTED + NOT_EXTENDED = HTTPStatus.NOT_EXTENDED + NETWORK_AUTHENTICATION_REQUIRED = HTTPStatus.NETWORK_AUTHENTICATION_REQUIRED + """ + ) + ) + + +register_module_extender(AstroidManager(), "http", _http_transform) +register_module_extender(AstroidManager(), "http.client", _http_client_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hypothesis.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hypothesis.py new file mode 100644 index 0000000..8f49a7b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_hypothesis.py @@ -0,0 +1,53 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +""" +Astroid hook for the Hypothesis library. + +Without this hook pylint reports no-value-for-parameter for use of strategies +defined using the `@hypothesis.strategies.composite` decorator. For example: + + from hypothesis import strategies as st + + @st.composite + def a_strategy(draw): + return draw(st.integers()) + + a_strategy() + +""" +from astroid.manager import AstroidManager +from astroid.scoped_nodes import FunctionDef + +COMPOSITE_NAMES = ( + "composite", + "st.composite", + "strategies.composite", + "hypothesis.strategies.composite", +) + + +def is_decorated_with_st_composite(node): + """Return True if a decorated node has @st.composite applied.""" + if node.decorators and node.args.args and node.args.args[0].name == "draw": + for decorator_attribute in node.decorators.nodes: + if decorator_attribute.as_string() in COMPOSITE_NAMES: + return True + return False + + +def remove_draw_parameter_from_composite_strategy(node): + """Given that the FunctionDef is decorated with @st.composite, remove the + first argument (`draw`) - it's always supplied by Hypothesis so we don't + need to emit the no-value-for-parameter lint. + """ + del node.args.args[0] + del node.args.annotations[0] + del node.args.type_comment_args[0] + return node + + +AstroidManager().register_transform( + node_class=FunctionDef, + transform=remove_draw_parameter_from_composite_strategy, + predicate=is_decorated_with_st_composite, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_io.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_io.py new file mode 100644 index 0000000..47e9271 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_io.py @@ -0,0 +1,45 @@ +# Copyright (c) 2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid brain hints for some of the _io C objects.""" +from astroid import ClassDef +from astroid.manager import AstroidManager + +BUFFERED = {"BufferedWriter", "BufferedReader"} +TextIOWrapper = "TextIOWrapper" +FileIO = "FileIO" +BufferedWriter = "BufferedWriter" + + +def _generic_io_transform(node, name, cls): + """Transform the given name, by adding the given *class* as a member of the node.""" + + io_module = AstroidManager().ast_from_module_name("_io") + attribute_object = io_module[cls] + instance = attribute_object.instantiate_class() + node.locals[name] = [instance] + + +def _transform_text_io_wrapper(node): + # This is not always correct, since it can vary with the type of the descriptor, + # being stdout, stderr or stdin. But we cannot get access to the name of the + # stream, which is why we are using the BufferedWriter class as a default + # value + return _generic_io_transform(node, name="buffer", cls=BufferedWriter) + + +def _transform_buffered(node): + return _generic_io_transform(node, name="raw", cls=FileIO) + + +AstroidManager().register_transform( + ClassDef, _transform_buffered, lambda node: node.name in BUFFERED +) +AstroidManager().register_transform( + ClassDef, _transform_text_io_wrapper, lambda node: node.name == TextIOWrapper +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_mechanize.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_mechanize.py new file mode 100644 index 0000000..c2bda2d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_mechanize.py @@ -0,0 +1,91 @@ +# Copyright (c) 2012-2013 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Peter Kolbus +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.manager import AstroidManager + + +def mechanize_transform(): + return AstroidBuilder(AstroidManager()).string_build( + """ + +class Browser(object): + def __getattr__(self, name): + return None + def __getitem__(self, name): + return None + def __setitem__(self, name, val): + return None + def back(self, n=1): + return None + def clear_history(self): + return None + def click(self, *args, **kwds): + return None + def click_link(self, link=None, **kwds): + return None + def close(self): + return None + def encoding(self): + return None + def find_link(self, text=None, text_regex=None, name=None, name_regex=None, url=None, url_regex=None, tag=None, predicate=None, nr=0): + return None + def follow_link(self, link=None, **kwds): + return None + def forms(self): + return None + def geturl(self): + return None + def global_form(self): + return None + def links(self, **kwds): + return None + def open_local_file(self, filename): + return None + def open(self, url, data=None, timeout=None): + return None + def open_novisit(self, url, data=None, timeout=None): + return None + def open_local_file(self, filename): + return None + def reload(self): + return None + def response(self): + return None + def select_form(self, name=None, predicate=None, nr=None, **attrs): + return None + def set_cookie(self, cookie_string): + return None + def set_handle_referer(self, handle): + return None + def set_header(self, header, value=None): + return None + def set_html(self, html, url="http://example.com/"): + return None + def set_response(self, response): + return None + def set_simple_cookie(self, name, value, domain, path='/'): + return None + def submit(self, *args, **kwds): + return None + def title(self): + return None + def viewing_html(self): + return None + def visit_response(self, response, request=None): + return None +""" + ) + + +register_module_extender(AstroidManager(), "mechanize", mechanize_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_multiprocessing.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_multiprocessing.py new file mode 100644 index 0000000..b513251 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_multiprocessing.py @@ -0,0 +1,112 @@ +# Copyright (c) 2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 David Gilman +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +from astroid.bases import BoundMethod +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.exceptions import InferenceError +from astroid.manager import AstroidManager +from astroid.scoped_nodes import FunctionDef + + +def _multiprocessing_transform(): + module = parse( + """ + from multiprocessing.managers import SyncManager + def Manager(): + return SyncManager() + """ + ) + # Multiprocessing uses a getattr lookup inside contexts, + # in order to get the attributes they need. Since it's extremely + # dynamic, we use this approach to fake it. + node = parse( + """ + from multiprocessing.context import DefaultContext, BaseContext + default = DefaultContext() + base = BaseContext() + """ + ) + try: + context = next(node["default"].infer()) + base = next(node["base"].infer()) + except (InferenceError, StopIteration): + return module + + for node in (context, base): + for key, value in node.locals.items(): + if key.startswith("_"): + continue + + value = value[0] + if isinstance(value, FunctionDef): + # We need to rebound this, since otherwise + # it will have an extra argument (self). + value = BoundMethod(value, node) + module[key] = value + return module + + +def _multiprocessing_managers_transform(): + return parse( + """ + import array + import threading + import multiprocessing.pool as pool + import queue + + class Namespace(object): + pass + + class Value(object): + def __init__(self, typecode, value, lock=True): + self._typecode = typecode + self._value = value + def get(self): + return self._value + def set(self, value): + self._value = value + def __repr__(self): + return '%s(%r, %r)'%(type(self).__name__, self._typecode, self._value) + value = property(get, set) + + def Array(typecode, sequence, lock=True): + return array.array(typecode, sequence) + + class SyncManager(object): + Queue = JoinableQueue = queue.Queue + Event = threading.Event + RLock = threading.RLock + BoundedSemaphore = threading.BoundedSemaphore + Condition = threading.Condition + Barrier = threading.Barrier + Pool = pool.Pool + list = list + dict = dict + Value = Value + Array = Array + Namespace = Namespace + __enter__ = lambda self: self + __exit__ = lambda *args: args + + def start(self, initializer=None, initargs=None): + pass + def shutdown(self): + pass + """ + ) + + +register_module_extender( + AstroidManager(), "multiprocessing.managers", _multiprocessing_managers_transform +) +register_module_extender( + AstroidManager(), "multiprocessing", _multiprocessing_transform +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_namedtuple_enum.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_namedtuple_enum.py new file mode 100644 index 0000000..15751f4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_namedtuple_enum.py @@ -0,0 +1,571 @@ +# Copyright (c) 2012-2015 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Dmitry Pribysh +# Copyright (c) 2015 David Shea +# Copyright (c) 2015 Philip Lorenz +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2016 Mateusz Bysiek +# Copyright (c) 2017 Hugo +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2019 Ashley Whetter +# Copyright (c) 2020 hippo91 +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh +# Copyright (c) 2021 pre-commit-ci[bot] + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for the Python standard library.""" + +import functools +import keyword +from textwrap import dedent + +from astroid import arguments, inference_tip, nodes, util +from astroid.builder import AstroidBuilder, extract_node +from astroid.exceptions import ( + AstroidTypeError, + AstroidValueError, + InferenceError, + UseInferenceDefault, +) +from astroid.manager import AstroidManager + +TYPING_NAMEDTUPLE_BASENAMES = {"NamedTuple", "typing.NamedTuple"} +ENUM_BASE_NAMES = { + "Enum", + "IntEnum", + "enum.Enum", + "enum.IntEnum", + "IntFlag", + "enum.IntFlag", +} + + +def _infer_first(node, context): + if node is util.Uninferable: + raise UseInferenceDefault + try: + value = next(node.infer(context=context)) + except StopIteration as exc: + raise InferenceError from exc + if value is util.Uninferable: + raise UseInferenceDefault() + return value + + +def _find_func_form_arguments(node, context): + def _extract_namedtuple_arg_or_keyword( # pylint: disable=inconsistent-return-statements + position, key_name=None + ): + if len(args) > position: + return _infer_first(args[position], context) + if key_name and key_name in found_keywords: + return _infer_first(found_keywords[key_name], context) + + args = node.args + keywords = node.keywords + found_keywords = ( + {keyword.arg: keyword.value for keyword in keywords} if keywords else {} + ) + + name = _extract_namedtuple_arg_or_keyword(position=0, key_name="typename") + names = _extract_namedtuple_arg_or_keyword(position=1, key_name="field_names") + if name and names: + return name.value, names + + raise UseInferenceDefault() + + +def infer_func_form(node, base_type, context=None, enum=False): + """Specific inference function for namedtuple or Python 3 enum.""" + # node is a Call node, class name as first argument and generated class + # attributes as second argument + + # namedtuple or enums list of attributes can be a list of strings or a + # whitespace-separate string + try: + name, names = _find_func_form_arguments(node, context) + try: + attributes = names.value.replace(",", " ").split() + except AttributeError as exc: + if not enum: + attributes = [ + _infer_first(const, context).value for const in names.elts + ] + else: + # Enums supports either iterator of (name, value) pairs + # or mappings. + if hasattr(names, "items") and isinstance(names.items, list): + attributes = [ + _infer_first(const[0], context).value + for const in names.items + if isinstance(const[0], nodes.Const) + ] + elif hasattr(names, "elts"): + # Enums can support either ["a", "b", "c"] + # or [("a", 1), ("b", 2), ...], but they can't + # be mixed. + if all(isinstance(const, nodes.Tuple) for const in names.elts): + attributes = [ + _infer_first(const.elts[0], context).value + for const in names.elts + if isinstance(const, nodes.Tuple) + ] + else: + attributes = [ + _infer_first(const, context).value for const in names.elts + ] + else: + raise AttributeError from exc + if not attributes: + raise AttributeError from exc + except (AttributeError, InferenceError) as exc: + raise UseInferenceDefault from exc + + if not enum: + # namedtuple maps sys.intern(str()) over over field_names + attributes = [str(attr) for attr in attributes] + # XXX this should succeed *unless* __str__/__repr__ is incorrect or throws + # in which case we should not have inferred these values and raised earlier + attributes = [attr for attr in attributes if " " not in attr] + + # If we can't infer the name of the class, don't crash, up to this point + # we know it is a namedtuple anyway. + name = name or "Uninferable" + # we want to return a Class node instance with proper attributes set + class_node = nodes.ClassDef(name, "docstring") + class_node.parent = node.parent + # set base class=tuple + class_node.bases.append(base_type) + # XXX add __init__(*attributes) method + for attr in attributes: + fake_node = nodes.EmptyNode() + fake_node.parent = class_node + fake_node.attrname = attr + class_node.instance_attrs[attr] = [fake_node] + return class_node, name, attributes + + +def _has_namedtuple_base(node): + """Predicate for class inference tip + + :type node: ClassDef + :rtype: bool + """ + return set(node.basenames) & TYPING_NAMEDTUPLE_BASENAMES + + +def _looks_like(node, name): + func = node.func + if isinstance(func, nodes.Attribute): + return func.attrname == name + if isinstance(func, nodes.Name): + return func.name == name + return False + + +_looks_like_namedtuple = functools.partial(_looks_like, name="namedtuple") +_looks_like_enum = functools.partial(_looks_like, name="Enum") +_looks_like_typing_namedtuple = functools.partial(_looks_like, name="NamedTuple") + + +def infer_named_tuple(node, context=None): + """Specific inference function for namedtuple Call node""" + tuple_base_name = nodes.Name(name="tuple", parent=node.root()) + class_node, name, attributes = infer_func_form( + node, tuple_base_name, context=context + ) + call_site = arguments.CallSite.from_call(node, context=context) + node = extract_node("import collections; collections.namedtuple") + try: + + func = next(node.infer()) + except StopIteration as e: + raise InferenceError(node=node) from e + try: + rename = next(call_site.infer_argument(func, "rename", context)).bool_value() + except (InferenceError, StopIteration): + rename = False + + try: + attributes = _check_namedtuple_attributes(name, attributes, rename) + except AstroidTypeError as exc: + raise UseInferenceDefault("TypeError: " + str(exc)) from exc + except AstroidValueError as exc: + raise UseInferenceDefault("ValueError: " + str(exc)) from exc + + replace_args = ", ".join(f"{arg}=None" for arg in attributes) + field_def = ( + " {name} = property(lambda self: self[{index:d}], " + "doc='Alias for field number {index:d}')" + ) + field_defs = "\n".join( + field_def.format(name=name, index=index) + for index, name in enumerate(attributes) + ) + fake = AstroidBuilder(AstroidManager()).string_build( + """ +class %(name)s(tuple): + __slots__ = () + _fields = %(fields)r + def _asdict(self): + return self.__dict__ + @classmethod + def _make(cls, iterable, new=tuple.__new__, len=len): + return new(cls, iterable) + def _replace(self, %(replace_args)s): + return self + def __getnewargs__(self): + return tuple(self) +%(field_defs)s + """ + % { + "name": name, + "fields": attributes, + "field_defs": field_defs, + "replace_args": replace_args, + } + ) + class_node.locals["_asdict"] = fake.body[0].locals["_asdict"] + class_node.locals["_make"] = fake.body[0].locals["_make"] + class_node.locals["_replace"] = fake.body[0].locals["_replace"] + class_node.locals["_fields"] = fake.body[0].locals["_fields"] + for attr in attributes: + class_node.locals[attr] = fake.body[0].locals[attr] + # we use UseInferenceDefault, we can't be a generator so return an iterator + return iter([class_node]) + + +def _get_renamed_namedtuple_attributes(field_names): + names = list(field_names) + seen = set() + for i, name in enumerate(field_names): + if ( + not all(c.isalnum() or c == "_" for c in name) + or keyword.iskeyword(name) + or not name + or name[0].isdigit() + or name.startswith("_") + or name in seen + ): + names[i] = "_%d" % i + seen.add(name) + return tuple(names) + + +def _check_namedtuple_attributes(typename, attributes, rename=False): + attributes = tuple(attributes) + if rename: + attributes = _get_renamed_namedtuple_attributes(attributes) + + # The following snippet is derived from the CPython Lib/collections/__init__.py sources + # + for name in (typename,) + attributes: + if not isinstance(name, str): + raise AstroidTypeError("Type names and field names must be strings") + if not name.isidentifier(): + raise AstroidValueError( + "Type names and field names must be valid" + f"identifiers: {name!r}" + ) + if keyword.iskeyword(name): + raise AstroidValueError( + f"Type names and field names cannot be a keyword: {name!r}" + ) + + seen = set() + for name in attributes: + if name.startswith("_") and not rename: + raise AstroidValueError( + f"Field names cannot start with an underscore: {name!r}" + ) + if name in seen: + raise AstroidValueError(f"Encountered duplicate field name: {name!r}") + seen.add(name) + # + + return attributes + + +def infer_enum(node, context=None): + """Specific inference function for enum Call node.""" + enum_meta = extract_node( + """ + class EnumMeta(object): + 'docstring' + def __call__(self, node): + class EnumAttribute(object): + name = '' + value = 0 + return EnumAttribute() + def __iter__(self): + class EnumAttribute(object): + name = '' + value = 0 + return [EnumAttribute()] + def __reversed__(self): + class EnumAttribute(object): + name = '' + value = 0 + return (EnumAttribute, ) + def __next__(self): + return next(iter(self)) + def __getitem__(self, attr): + class Value(object): + @property + def name(self): + return '' + @property + def value(self): + return attr + + return Value() + __members__ = [''] + """ + ) + class_node = infer_func_form(node, enum_meta, context=context, enum=True)[0] + return iter([class_node.instantiate_class()]) + + +INT_FLAG_ADDITION_METHODS = """ + def __or__(self, other): + return {name}(self.value | other.value) + def __and__(self, other): + return {name}(self.value & other.value) + def __xor__(self, other): + return {name}(self.value ^ other.value) + def __add__(self, other): + return {name}(self.value + other.value) + def __div__(self, other): + return {name}(self.value / other.value) + def __invert__(self): + return {name}(~self.value) + def __mul__(self, other): + return {name}(self.value * other.value) +""" + + +def infer_enum_class(node): + """Specific inference for enums.""" + for basename in node.basenames: + # TODO: doesn't handle subclasses yet. This implementation + # is a hack to support enums. + if basename not in ENUM_BASE_NAMES: + continue + if node.root().name == "enum": + # Skip if the class is directly from enum module. + break + dunder_members = {} + target_names = set() + for local, values in node.locals.items(): + if any(not isinstance(value, nodes.AssignName) for value in values): + continue + + stmt = values[0].statement() + if isinstance(stmt, nodes.Assign): + if isinstance(stmt.targets[0], nodes.Tuple): + targets = stmt.targets[0].itered() + else: + targets = stmt.targets + elif isinstance(stmt, nodes.AnnAssign): + targets = [stmt.target] + else: + continue + + inferred_return_value = None + if isinstance(stmt, nodes.Assign): + if isinstance(stmt.value, nodes.Const): + if isinstance(stmt.value.value, str): + inferred_return_value = repr(stmt.value.value) + else: + inferred_return_value = stmt.value.value + else: + inferred_return_value = stmt.value.as_string() + + new_targets = [] + for target in targets: + if isinstance(target, nodes.Starred): + continue + target_names.add(target.name) + # Replace all the assignments with our mocked class. + classdef = dedent( + """ + class {name}({types}): + @property + def value(self): + return {return_value} + @property + def name(self): + return "{name}" + """.format( + name=target.name, + types=", ".join(node.basenames), + return_value=inferred_return_value, + ) + ) + if "IntFlag" in basename: + # Alright, we need to add some additional methods. + # Unfortunately we still can't infer the resulting objects as + # Enum members, but once we'll be able to do that, the following + # should result in some nice symbolic execution + classdef += INT_FLAG_ADDITION_METHODS.format(name=target.name) + + fake = AstroidBuilder(AstroidManager()).string_build(classdef)[ + target.name + ] + fake.parent = target.parent + for method in node.mymethods(): + fake.locals[method.name] = [method] + new_targets.append(fake.instantiate_class()) + dunder_members[local] = fake + node.locals[local] = new_targets + members = nodes.Dict(parent=node) + members.postinit( + [ + (nodes.Const(k, parent=members), nodes.Name(v.name, parent=members)) + for k, v in dunder_members.items() + ] + ) + node.locals["__members__"] = [members] + # The enum.Enum class itself defines two @DynamicClassAttribute data-descriptors + # "name" and "value" (which we override in the mocked class for each enum member + # above). When dealing with inference of an arbitrary instance of the enum + # class, e.g. in a method defined in the class body like: + # class SomeEnum(enum.Enum): + # def method(self): + # self.name # <- here + # In the absence of an enum member called "name" or "value", these attributes + # should resolve to the descriptor on that particular instance, i.e. enum member. + # For "value", we have no idea what that should be, but for "name", we at least + # know that it should be a string, so infer that as a guess. + if "name" not in target_names: + code = dedent( + """ + @property + def name(self): + return '' + """ + ) + name_dynamicclassattr = AstroidBuilder(AstroidManager()).string_build(code)[ + "name" + ] + node.locals["name"] = [name_dynamicclassattr] + break + return node + + +def infer_typing_namedtuple_class(class_node, context=None): + """Infer a subclass of typing.NamedTuple""" + # Check if it has the corresponding bases + annassigns_fields = [ + annassign.target.name + for annassign in class_node.body + if isinstance(annassign, nodes.AnnAssign) + ] + code = dedent( + """ + from collections import namedtuple + namedtuple({typename!r}, {fields!r}) + """ + ).format(typename=class_node.name, fields=",".join(annassigns_fields)) + node = extract_node(code) + try: + generated_class_node = next(infer_named_tuple(node, context)) + except StopIteration as e: + raise InferenceError(node=node, context=context) from e + for method in class_node.mymethods(): + generated_class_node.locals[method.name] = [method] + + for assign in class_node.body: + if not isinstance(assign, nodes.Assign): + continue + + for target in assign.targets: + attr = target.name + generated_class_node.locals[attr] = class_node.locals[attr] + + return iter((generated_class_node,)) + + +def infer_typing_namedtuple_function(node, context=None): + """ + Starting with python3.9, NamedTuple is a function of the typing module. + The class NamedTuple is build dynamically through a call to `type` during + initialization of the `_NamedTuple` variable. + """ + klass = extract_node( + """ + from typing import _NamedTuple + _NamedTuple + """ + ) + return klass.infer(context) + + +def infer_typing_namedtuple(node, context=None): + """Infer a typing.NamedTuple(...) call.""" + # This is essentially a namedtuple with different arguments + # so we extract the args and infer a named tuple. + try: + func = next(node.func.infer()) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if func.qname() != "typing.NamedTuple": + raise UseInferenceDefault + + if len(node.args) != 2: + raise UseInferenceDefault + + if not isinstance(node.args[1], (nodes.List, nodes.Tuple)): + raise UseInferenceDefault + + names = [] + for elt in node.args[1].elts: + if not isinstance(elt, (nodes.List, nodes.Tuple)): + raise UseInferenceDefault + if len(elt.elts) != 2: + raise UseInferenceDefault + names.append(elt.elts[0].as_string()) + + typename = node.args[0].as_string() + if names: + field_names = "({},)".format(",".join(names)) + else: + field_names = "''" + node = extract_node(f"namedtuple({typename}, {field_names})") + return infer_named_tuple(node, context) + + +AstroidManager().register_transform( + nodes.Call, inference_tip(infer_named_tuple), _looks_like_namedtuple +) +AstroidManager().register_transform( + nodes.Call, inference_tip(infer_enum), _looks_like_enum +) +AstroidManager().register_transform( + nodes.ClassDef, + infer_enum_class, + predicate=lambda cls: any( + basename for basename in cls.basenames if basename in ENUM_BASE_NAMES + ), +) +AstroidManager().register_transform( + nodes.ClassDef, inference_tip(infer_typing_namedtuple_class), _has_namedtuple_base +) +AstroidManager().register_transform( + nodes.FunctionDef, + inference_tip(infer_typing_namedtuple_function), + lambda node: node.name == "NamedTuple" + and getattr(node.root(), "name", None) == "typing", +) +AstroidManager().register_transform( + nodes.Call, inference_tip(infer_typing_namedtuple), _looks_like_typing_namedtuple +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_nose.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_nose.py new file mode 100644 index 0000000..f4a0525 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_nose.py @@ -0,0 +1,85 @@ +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Hooks for nose library.""" + +import re +import textwrap + +import astroid.builder +from astroid.brain.helpers import register_module_extender +from astroid.exceptions import InferenceError +from astroid.manager import AstroidManager + +_BUILDER = astroid.builder.AstroidBuilder(AstroidManager()) + + +CAPITALS = re.compile("([A-Z])") + + +def _pep8(name, caps=CAPITALS): + return caps.sub(lambda m: "_" + m.groups()[0].lower(), name) + + +def _nose_tools_functions(): + """Get an iterator of names and bound methods.""" + module = _BUILDER.string_build( + textwrap.dedent( + """ + import unittest + + class Test(unittest.TestCase): + pass + a = Test() + """ + ) + ) + try: + case = next(module["a"].infer()) + except (InferenceError, StopIteration): + return + for method in case.methods(): + if method.name.startswith("assert") and "_" not in method.name: + pep8_name = _pep8(method.name) + yield pep8_name, astroid.BoundMethod(method, case) + if method.name == "assertEqual": + # nose also exports assert_equals. + yield "assert_equals", astroid.BoundMethod(method, case) + + +def _nose_tools_transform(node): + for method_name, method in _nose_tools_functions(): + node.locals[method_name] = [method] + + +def _nose_tools_trivial_transform(): + """Custom transform for the nose.tools module.""" + stub = _BUILDER.string_build("""__all__ = []""") + all_entries = ["ok_", "eq_"] + + for pep8_name, method in _nose_tools_functions(): + all_entries.append(pep8_name) + stub[pep8_name] = method + + # Update the __all__ variable, since nose.tools + # does this manually with .append. + all_assign = stub["__all__"].parent + all_object = astroid.List(all_entries) + all_object.parent = all_assign + all_assign.value = all_object + return stub + + +register_module_extender( + AstroidManager(), "nose.tools.trivial", _nose_tools_trivial_transform +) +AstroidManager().register_transform( + astroid.Module, _nose_tools_transform, lambda n: n.name == "nose.tools" +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_fromnumeric.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_fromnumeric.py new file mode 100644 index 0000000..ea9fae2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_fromnumeric.py @@ -0,0 +1,27 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for numpy.core.fromnumeric module.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def numpy_core_fromnumeric_transform(): + return parse( + """ + def sum(a, axis=None, dtype=None, out=None, keepdims=None, initial=None): + return numpy.ndarray([0, 0]) + """ + ) + + +register_module_extender( + AstroidManager(), "numpy.core.fromnumeric", numpy_core_fromnumeric_transform +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_function_base.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_function_base.py new file mode 100644 index 0000000..ff6b03c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_function_base.py @@ -0,0 +1,34 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for numpy.core.function_base module.""" + +import functools + +from astroid.brain.brain_numpy_utils import infer_numpy_member, looks_like_numpy_member +from astroid.inference_tip import inference_tip +from astroid.manager import AstroidManager +from astroid.node_classes import Attribute + +METHODS_TO_BE_INFERRED = { + "linspace": """def linspace(start, stop, num=50, endpoint=True, retstep=False, dtype=None, axis=0): + return numpy.ndarray([0, 0])""", + "logspace": """def logspace(start, stop, num=50, endpoint=True, base=10.0, dtype=None, axis=0): + return numpy.ndarray([0, 0])""", + "geomspace": """def geomspace(start, stop, num=50, endpoint=True, dtype=None, axis=0): + return numpy.ndarray([0, 0])""", +} + +for func_name, func_src in METHODS_TO_BE_INFERRED.items(): + inference_function = functools.partial(infer_numpy_member, func_src) + AstroidManager().register_transform( + Attribute, + inference_tip(inference_function), + functools.partial(looks_like_numpy_member, func_name), + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_multiarray.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_multiarray.py new file mode 100644 index 0000000..f5fbea0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_multiarray.py @@ -0,0 +1,100 @@ +# Copyright (c) 2019-2020 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for numpy.core.multiarray module.""" + +import functools + +from astroid.brain.brain_numpy_utils import infer_numpy_member, looks_like_numpy_member +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.inference_tip import inference_tip +from astroid.manager import AstroidManager +from astroid.node_classes import Attribute, Name + + +def numpy_core_multiarray_transform(): + return parse( + """ + # different functions defined in multiarray.py + def inner(a, b): + return numpy.ndarray([0, 0]) + + def vdot(a, b): + return numpy.ndarray([0, 0]) + """ + ) + + +register_module_extender( + AstroidManager(), "numpy.core.multiarray", numpy_core_multiarray_transform +) + + +METHODS_TO_BE_INFERRED = { + "array": """def array(object, dtype=None, copy=True, order='K', subok=False, ndmin=0): + return numpy.ndarray([0, 0])""", + "dot": """def dot(a, b, out=None): + return numpy.ndarray([0, 0])""", + "empty_like": """def empty_like(a, dtype=None, order='K', subok=True): + return numpy.ndarray((0, 0))""", + "concatenate": """def concatenate(arrays, axis=None, out=None): + return numpy.ndarray((0, 0))""", + "where": """def where(condition, x=None, y=None): + return numpy.ndarray([0, 0])""", + "empty": """def empty(shape, dtype=float, order='C'): + return numpy.ndarray([0, 0])""", + "bincount": """def bincount(x, weights=None, minlength=0): + return numpy.ndarray([0, 0])""", + "busday_count": """def busday_count(begindates, enddates, weekmask='1111100', holidays=[], busdaycal=None, out=None): + return numpy.ndarray([0, 0])""", + "busday_offset": """def busday_offset(dates, offsets, roll='raise', weekmask='1111100', holidays=None, busdaycal=None, out=None): + return numpy.ndarray([0, 0])""", + "can_cast": """def can_cast(from_, to, casting='safe'): + return True""", + "copyto": """def copyto(dst, src, casting='same_kind', where=True): + return None""", + "datetime_as_string": """def datetime_as_string(arr, unit=None, timezone='naive', casting='same_kind'): + return numpy.ndarray([0, 0])""", + "is_busday": """def is_busday(dates, weekmask='1111100', holidays=None, busdaycal=None, out=None): + return numpy.ndarray([0, 0])""", + "lexsort": """def lexsort(keys, axis=-1): + return numpy.ndarray([0, 0])""", + "may_share_memory": """def may_share_memory(a, b, max_work=None): + return True""", + # Not yet available because dtype is not yet present in those brains + # "min_scalar_type": """def min_scalar_type(a): + # return numpy.dtype('int16')""", + "packbits": """def packbits(a, axis=None, bitorder='big'): + return numpy.ndarray([0, 0])""", + # Not yet available because dtype is not yet present in those brains + # "result_type": """def result_type(*arrays_and_dtypes): + # return numpy.dtype('int16')""", + "shares_memory": """def shares_memory(a, b, max_work=None): + return True""", + "unpackbits": """def unpackbits(a, axis=None, count=None, bitorder='big'): + return numpy.ndarray([0, 0])""", + "unravel_index": """def unravel_index(indices, shape, order='C'): + return (numpy.ndarray([0, 0]),)""", + "zeros": """def zeros(shape, dtype=float, order='C'): + return numpy.ndarray([0, 0])""", +} + +for method_name, function_src in METHODS_TO_BE_INFERRED.items(): + inference_function = functools.partial(infer_numpy_member, function_src) + AstroidManager().register_transform( + Attribute, + inference_tip(inference_function), + functools.partial(looks_like_numpy_member, method_name), + ) + AstroidManager().register_transform( + Name, + inference_tip(inference_function), + functools.partial(looks_like_numpy_member, method_name), + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numeric.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numeric.py new file mode 100644 index 0000000..48bd2db --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numeric.py @@ -0,0 +1,51 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for numpy.core.numeric module.""" + +import functools + +from astroid.brain.brain_numpy_utils import infer_numpy_member, looks_like_numpy_member +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.inference_tip import inference_tip +from astroid.manager import AstroidManager +from astroid.node_classes import Attribute + + +def numpy_core_numeric_transform(): + return parse( + """ + # different functions defined in numeric.py + import numpy + def zeros_like(a, dtype=None, order='K', subok=True): return numpy.ndarray((0, 0)) + def ones_like(a, dtype=None, order='K', subok=True): return numpy.ndarray((0, 0)) + def full_like(a, fill_value, dtype=None, order='K', subok=True): return numpy.ndarray((0, 0)) + """ + ) + + +register_module_extender( + AstroidManager(), "numpy.core.numeric", numpy_core_numeric_transform +) + + +METHODS_TO_BE_INFERRED = { + "ones": """def ones(shape, dtype=None, order='C'): + return numpy.ndarray([0, 0])""" +} + + +for method_name, function_src in METHODS_TO_BE_INFERRED.items(): + inference_function = functools.partial(infer_numpy_member, function_src) + AstroidManager().register_transform( + Attribute, + inference_tip(inference_function), + functools.partial(looks_like_numpy_member, method_name), + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numerictypes.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numerictypes.py new file mode 100644 index 0000000..69c4686 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_numerictypes.py @@ -0,0 +1,260 @@ +# Copyright (c) 2019-2020 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +# TODO(hippo91) : correct the methods signature. + +"""Astroid hooks for numpy.core.numerictypes module.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def numpy_core_numerictypes_transform(): + # TODO: Uniformize the generic API with the ndarray one. + # According to numpy doc the generic object should expose + # the same API than ndarray. This has been done here partially + # through the astype method. + return parse( + """ + # different types defined in numerictypes.py + class generic(object): + def __init__(self, value): + self.T = np.ndarray([0, 0]) + self.base = None + self.data = None + self.dtype = None + self.flags = None + # Should be a numpy.flatiter instance but not available for now + # Putting an array instead so that iteration and indexing are authorized + self.flat = np.ndarray([0, 0]) + self.imag = None + self.itemsize = None + self.nbytes = None + self.ndim = None + self.real = None + self.size = None + self.strides = None + + def all(self): return uninferable + def any(self): return uninferable + def argmax(self): return uninferable + def argmin(self): return uninferable + def argsort(self): return uninferable + def astype(self, dtype, order='K', casting='unsafe', subok=True, copy=True): return np.ndarray([0, 0]) + def base(self): return uninferable + def byteswap(self): return uninferable + def choose(self): return uninferable + def clip(self): return uninferable + def compress(self): return uninferable + def conj(self): return uninferable + def conjugate(self): return uninferable + def copy(self): return uninferable + def cumprod(self): return uninferable + def cumsum(self): return uninferable + def data(self): return uninferable + def diagonal(self): return uninferable + def dtype(self): return uninferable + def dump(self): return uninferable + def dumps(self): return uninferable + def fill(self): return uninferable + def flags(self): return uninferable + def flat(self): return uninferable + def flatten(self): return uninferable + def getfield(self): return uninferable + def imag(self): return uninferable + def item(self): return uninferable + def itemset(self): return uninferable + def itemsize(self): return uninferable + def max(self): return uninferable + def mean(self): return uninferable + def min(self): return uninferable + def nbytes(self): return uninferable + def ndim(self): return uninferable + def newbyteorder(self): return uninferable + def nonzero(self): return uninferable + def prod(self): return uninferable + def ptp(self): return uninferable + def put(self): return uninferable + def ravel(self): return uninferable + def real(self): return uninferable + def repeat(self): return uninferable + def reshape(self): return uninferable + def resize(self): return uninferable + def round(self): return uninferable + def searchsorted(self): return uninferable + def setfield(self): return uninferable + def setflags(self): return uninferable + def shape(self): return uninferable + def size(self): return uninferable + def sort(self): return uninferable + def squeeze(self): return uninferable + def std(self): return uninferable + def strides(self): return uninferable + def sum(self): return uninferable + def swapaxes(self): return uninferable + def take(self): return uninferable + def tobytes(self): return uninferable + def tofile(self): return uninferable + def tolist(self): return uninferable + def tostring(self): return uninferable + def trace(self): return uninferable + def transpose(self): return uninferable + def var(self): return uninferable + def view(self): return uninferable + + + class dtype(object): + def __init__(self, obj, align=False, copy=False): + self.alignment = None + self.base = None + self.byteorder = None + self.char = None + self.descr = None + self.fields = None + self.flags = None + self.hasobject = None + self.isalignedstruct = None + self.isbuiltin = None + self.isnative = None + self.itemsize = None + self.kind = None + self.metadata = None + self.name = None + self.names = None + self.num = None + self.shape = None + self.str = None + self.subdtype = None + self.type = None + + def newbyteorder(self, new_order='S'): return uninferable + def __neg__(self): return uninferable + + class busdaycalendar(object): + def __init__(self, weekmask='1111100', holidays=None): + self.holidays = None + self.weekmask = None + + class flexible(generic): pass + class bool_(generic): pass + class number(generic): + def __neg__(self): return uninferable + class datetime64(generic): + def __init__(self, nb, unit=None): pass + + + class void(flexible): + def __init__(self, *args, **kwargs): + self.base = None + self.dtype = None + self.flags = None + def getfield(self): return uninferable + def setfield(self): return uninferable + + + class character(flexible): pass + + + class integer(number): + def __init__(self, value): + self.denominator = None + self.numerator = None + + + class inexact(number): pass + + + class str_(str, character): + def maketrans(self, x, y=None, z=None): return uninferable + + + class bytes_(bytes, character): + def fromhex(self, string): return uninferable + def maketrans(self, frm, to): return uninferable + + + class signedinteger(integer): pass + + + class unsignedinteger(integer): pass + + + class complexfloating(inexact): pass + + + class floating(inexact): pass + + + class float64(floating, float): + def fromhex(self, string): return uninferable + + + class uint64(unsignedinteger): pass + class complex64(complexfloating): pass + class int16(signedinteger): pass + class float96(floating): pass + class int8(signedinteger): pass + class uint32(unsignedinteger): pass + class uint8(unsignedinteger): pass + class _typedict(dict): pass + class complex192(complexfloating): pass + class timedelta64(signedinteger): + def __init__(self, nb, unit=None): pass + class int32(signedinteger): pass + class uint16(unsignedinteger): pass + class float32(floating): pass + class complex128(complexfloating, complex): pass + class float16(floating): pass + class int64(signedinteger): pass + + buffer_type = memoryview + bool8 = bool_ + byte = int8 + bytes0 = bytes_ + cdouble = complex128 + cfloat = complex128 + clongdouble = complex192 + clongfloat = complex192 + complex_ = complex128 + csingle = complex64 + double = float64 + float_ = float64 + half = float16 + int0 = int32 + int_ = int32 + intc = int32 + intp = int32 + long = int32 + longcomplex = complex192 + longdouble = float96 + longfloat = float96 + longlong = int64 + object0 = object_ + object_ = object_ + short = int16 + single = float32 + singlecomplex = complex64 + str0 = str_ + string_ = bytes_ + ubyte = uint8 + uint = uint32 + uint0 = uint32 + uintc = uint32 + uintp = uint32 + ulonglong = uint64 + unicode = str_ + unicode_ = str_ + ushort = uint16 + void0 = void + """ + ) + + +register_module_extender( + AstroidManager(), "numpy.core.numerictypes", numpy_core_numerictypes_transform +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_umath.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_umath.py new file mode 100644 index 0000000..3b1bcb8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_core_umath.py @@ -0,0 +1,158 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +# Note: starting with version 1.18 numpy module has `__getattr__` method which prevent +# `pylint` to emit `no-member` message for all numpy's attributes. (see pylint's module +# typecheck in `_emit_no_member` function) + +"""Astroid hooks for numpy.core.umath module.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def numpy_core_umath_transform(): + ufunc_optional_keyword_arguments = ( + """out=None, where=True, casting='same_kind', order='K', """ + """dtype=None, subok=True""" + ) + return parse( + """ + class FakeUfunc: + def __init__(self): + self.__doc__ = str() + self.__name__ = str() + self.nin = 0 + self.nout = 0 + self.nargs = 0 + self.ntypes = 0 + self.types = None + self.identity = None + self.signature = None + + @classmethod + def reduce(cls, a, axis=None, dtype=None, out=None): + return numpy.ndarray([0, 0]) + + @classmethod + def accumulate(cls, array, axis=None, dtype=None, out=None): + return numpy.ndarray([0, 0]) + + @classmethod + def reduceat(cls, a, indices, axis=None, dtype=None, out=None): + return numpy.ndarray([0, 0]) + + @classmethod + def outer(cls, A, B, **kwargs): + return numpy.ndarray([0, 0]) + + @classmethod + def at(cls, a, indices, b=None): + return numpy.ndarray([0, 0]) + + class FakeUfuncOneArg(FakeUfunc): + def __call__(self, x, {opt_args:s}): + return numpy.ndarray([0, 0]) + + class FakeUfuncOneArgBis(FakeUfunc): + def __call__(self, x, {opt_args:s}): + return numpy.ndarray([0, 0]), numpy.ndarray([0, 0]) + + class FakeUfuncTwoArgs(FakeUfunc): + def __call__(self, x1, x2, {opt_args:s}): + return numpy.ndarray([0, 0]) + + # Constants + e = 2.718281828459045 + euler_gamma = 0.5772156649015329 + + # One arg functions with optional kwargs + arccos = FakeUfuncOneArg() + arccosh = FakeUfuncOneArg() + arcsin = FakeUfuncOneArg() + arcsinh = FakeUfuncOneArg() + arctan = FakeUfuncOneArg() + arctanh = FakeUfuncOneArg() + cbrt = FakeUfuncOneArg() + conj = FakeUfuncOneArg() + conjugate = FakeUfuncOneArg() + cosh = FakeUfuncOneArg() + deg2rad = FakeUfuncOneArg() + degrees = FakeUfuncOneArg() + exp2 = FakeUfuncOneArg() + expm1 = FakeUfuncOneArg() + fabs = FakeUfuncOneArg() + frexp = FakeUfuncOneArgBis() + isfinite = FakeUfuncOneArg() + isinf = FakeUfuncOneArg() + log = FakeUfuncOneArg() + log1p = FakeUfuncOneArg() + log2 = FakeUfuncOneArg() + logical_not = FakeUfuncOneArg() + modf = FakeUfuncOneArgBis() + negative = FakeUfuncOneArg() + positive = FakeUfuncOneArg() + rad2deg = FakeUfuncOneArg() + radians = FakeUfuncOneArg() + reciprocal = FakeUfuncOneArg() + rint = FakeUfuncOneArg() + sign = FakeUfuncOneArg() + signbit = FakeUfuncOneArg() + sinh = FakeUfuncOneArg() + spacing = FakeUfuncOneArg() + square = FakeUfuncOneArg() + tan = FakeUfuncOneArg() + tanh = FakeUfuncOneArg() + trunc = FakeUfuncOneArg() + + # Two args functions with optional kwargs + add = FakeUfuncTwoArgs() + bitwise_and = FakeUfuncTwoArgs() + bitwise_or = FakeUfuncTwoArgs() + bitwise_xor = FakeUfuncTwoArgs() + copysign = FakeUfuncTwoArgs() + divide = FakeUfuncTwoArgs() + divmod = FakeUfuncTwoArgs() + equal = FakeUfuncTwoArgs() + float_power = FakeUfuncTwoArgs() + floor_divide = FakeUfuncTwoArgs() + fmax = FakeUfuncTwoArgs() + fmin = FakeUfuncTwoArgs() + fmod = FakeUfuncTwoArgs() + greater = FakeUfuncTwoArgs() + gcd = FakeUfuncTwoArgs() + hypot = FakeUfuncTwoArgs() + heaviside = FakeUfuncTwoArgs() + lcm = FakeUfuncTwoArgs() + ldexp = FakeUfuncTwoArgs() + left_shift = FakeUfuncTwoArgs() + less = FakeUfuncTwoArgs() + logaddexp = FakeUfuncTwoArgs() + logaddexp2 = FakeUfuncTwoArgs() + logical_and = FakeUfuncTwoArgs() + logical_or = FakeUfuncTwoArgs() + logical_xor = FakeUfuncTwoArgs() + maximum = FakeUfuncTwoArgs() + minimum = FakeUfuncTwoArgs() + multiply = FakeUfuncTwoArgs() + nextafter = FakeUfuncTwoArgs() + not_equal = FakeUfuncTwoArgs() + power = FakeUfuncTwoArgs() + remainder = FakeUfuncTwoArgs() + right_shift = FakeUfuncTwoArgs() + subtract = FakeUfuncTwoArgs() + true_divide = FakeUfuncTwoArgs() + """.format( + opt_args=ufunc_optional_keyword_arguments + ) + ) + + +register_module_extender( + AstroidManager(), "numpy.core.umath", numpy_core_umath_transform +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_ndarray.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_ndarray.py new file mode 100644 index 0000000..d56f0c3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_ndarray.py @@ -0,0 +1,158 @@ +# Copyright (c) 2015-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2017-2020 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for numpy ndarray class.""" +from astroid.builder import extract_node +from astroid.inference_tip import inference_tip +from astroid.manager import AstroidManager +from astroid.node_classes import Attribute + + +def infer_numpy_ndarray(node, context=None): + ndarray = """ + class ndarray(object): + def __init__(self, shape, dtype=float, buffer=None, offset=0, + strides=None, order=None): + self.T = numpy.ndarray([0, 0]) + self.base = None + self.ctypes = None + self.data = None + self.dtype = None + self.flags = None + # Should be a numpy.flatiter instance but not available for now + # Putting an array instead so that iteration and indexing are authorized + self.flat = np.ndarray([0, 0]) + self.imag = np.ndarray([0, 0]) + self.itemsize = None + self.nbytes = None + self.ndim = None + self.real = np.ndarray([0, 0]) + self.shape = numpy.ndarray([0, 0]) + self.size = None + self.strides = None + + def __abs__(self): return numpy.ndarray([0, 0]) + def __add__(self, value): return numpy.ndarray([0, 0]) + def __and__(self, value): return numpy.ndarray([0, 0]) + def __array__(self, dtype=None): return numpy.ndarray([0, 0]) + def __array_wrap__(self, obj): return numpy.ndarray([0, 0]) + def __contains__(self, key): return True + def __copy__(self): return numpy.ndarray([0, 0]) + def __deepcopy__(self, memo): return numpy.ndarray([0, 0]) + def __divmod__(self, value): return (numpy.ndarray([0, 0]), numpy.ndarray([0, 0])) + def __eq__(self, value): return numpy.ndarray([0, 0]) + def __float__(self): return 0. + def __floordiv__(self): return numpy.ndarray([0, 0]) + def __ge__(self, value): return numpy.ndarray([0, 0]) + def __getitem__(self, key): return uninferable + def __gt__(self, value): return numpy.ndarray([0, 0]) + def __iadd__(self, value): return numpy.ndarray([0, 0]) + def __iand__(self, value): return numpy.ndarray([0, 0]) + def __ifloordiv__(self, value): return numpy.ndarray([0, 0]) + def __ilshift__(self, value): return numpy.ndarray([0, 0]) + def __imod__(self, value): return numpy.ndarray([0, 0]) + def __imul__(self, value): return numpy.ndarray([0, 0]) + def __int__(self): return 0 + def __invert__(self): return numpy.ndarray([0, 0]) + def __ior__(self, value): return numpy.ndarray([0, 0]) + def __ipow__(self, value): return numpy.ndarray([0, 0]) + def __irshift__(self, value): return numpy.ndarray([0, 0]) + def __isub__(self, value): return numpy.ndarray([0, 0]) + def __itruediv__(self, value): return numpy.ndarray([0, 0]) + def __ixor__(self, value): return numpy.ndarray([0, 0]) + def __le__(self, value): return numpy.ndarray([0, 0]) + def __len__(self): return 1 + def __lshift__(self, value): return numpy.ndarray([0, 0]) + def __lt__(self, value): return numpy.ndarray([0, 0]) + def __matmul__(self, value): return numpy.ndarray([0, 0]) + def __mod__(self, value): return numpy.ndarray([0, 0]) + def __mul__(self, value): return numpy.ndarray([0, 0]) + def __ne__(self, value): return numpy.ndarray([0, 0]) + def __neg__(self): return numpy.ndarray([0, 0]) + def __or__(self, value): return numpy.ndarray([0, 0]) + def __pos__(self): return numpy.ndarray([0, 0]) + def __pow__(self): return numpy.ndarray([0, 0]) + def __repr__(self): return str() + def __rshift__(self): return numpy.ndarray([0, 0]) + def __setitem__(self, key, value): return uninferable + def __str__(self): return str() + def __sub__(self, value): return numpy.ndarray([0, 0]) + def __truediv__(self, value): return numpy.ndarray([0, 0]) + def __xor__(self, value): return numpy.ndarray([0, 0]) + def all(self, axis=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def any(self, axis=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def argmax(self, axis=None, out=None): return np.ndarray([0, 0]) + def argmin(self, axis=None, out=None): return np.ndarray([0, 0]) + def argpartition(self, kth, axis=-1, kind='introselect', order=None): return np.ndarray([0, 0]) + def argsort(self, axis=-1, kind='quicksort', order=None): return np.ndarray([0, 0]) + def astype(self, dtype, order='K', casting='unsafe', subok=True, copy=True): return np.ndarray([0, 0]) + def byteswap(self, inplace=False): return np.ndarray([0, 0]) + def choose(self, choices, out=None, mode='raise'): return np.ndarray([0, 0]) + def clip(self, min=None, max=None, out=None): return np.ndarray([0, 0]) + def compress(self, condition, axis=None, out=None): return np.ndarray([0, 0]) + def conj(self): return np.ndarray([0, 0]) + def conjugate(self): return np.ndarray([0, 0]) + def copy(self, order='C'): return np.ndarray([0, 0]) + def cumprod(self, axis=None, dtype=None, out=None): return np.ndarray([0, 0]) + def cumsum(self, axis=None, dtype=None, out=None): return np.ndarray([0, 0]) + def diagonal(self, offset=0, axis1=0, axis2=1): return np.ndarray([0, 0]) + def dot(self, b, out=None): return np.ndarray([0, 0]) + def dump(self, file): return None + def dumps(self): return str() + def fill(self, value): return None + def flatten(self, order='C'): return np.ndarray([0, 0]) + def getfield(self, dtype, offset=0): return np.ndarray([0, 0]) + def item(self, *args): return uninferable + def itemset(self, *args): return None + def max(self, axis=None, out=None): return np.ndarray([0, 0]) + def mean(self, axis=None, dtype=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def min(self, axis=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def newbyteorder(self, new_order='S'): return np.ndarray([0, 0]) + def nonzero(self): return (1,) + def partition(self, kth, axis=-1, kind='introselect', order=None): return None + def prod(self, axis=None, dtype=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def ptp(self, axis=None, out=None): return np.ndarray([0, 0]) + def put(self, indices, values, mode='raise'): return None + def ravel(self, order='C'): return np.ndarray([0, 0]) + def repeat(self, repeats, axis=None): return np.ndarray([0, 0]) + def reshape(self, shape, order='C'): return np.ndarray([0, 0]) + def resize(self, new_shape, refcheck=True): return None + def round(self, decimals=0, out=None): return np.ndarray([0, 0]) + def searchsorted(self, v, side='left', sorter=None): return np.ndarray([0, 0]) + def setfield(self, val, dtype, offset=0): return None + def setflags(self, write=None, align=None, uic=None): return None + def sort(self, axis=-1, kind='quicksort', order=None): return None + def squeeze(self, axis=None): return np.ndarray([0, 0]) + def std(self, axis=None, dtype=None, out=None, ddof=0, keepdims=False): return np.ndarray([0, 0]) + def sum(self, axis=None, dtype=None, out=None, keepdims=False): return np.ndarray([0, 0]) + def swapaxes(self, axis1, axis2): return np.ndarray([0, 0]) + def take(self, indices, axis=None, out=None, mode='raise'): return np.ndarray([0, 0]) + def tobytes(self, order='C'): return b'' + def tofile(self, fid, sep="", format="%s"): return None + def tolist(self, ): return [] + def tostring(self, order='C'): return b'' + def trace(self, offset=0, axis1=0, axis2=1, dtype=None, out=None): return np.ndarray([0, 0]) + def transpose(self, *axes): return np.ndarray([0, 0]) + def var(self, axis=None, dtype=None, out=None, ddof=0, keepdims=False): return np.ndarray([0, 0]) + def view(self, dtype=None, type=None): return np.ndarray([0, 0]) + """ + node = extract_node(ndarray) + return node.infer(context=context) + + +def _looks_like_numpy_ndarray(node): + return isinstance(node, Attribute) and node.attrname == "ndarray" + + +AstroidManager().register_transform( + Attribute, + inference_tip(infer_numpy_ndarray), + _looks_like_numpy_ndarray, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_random_mtrand.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_random_mtrand.py new file mode 100644 index 0000000..ddb1f03 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_random_mtrand.py @@ -0,0 +1,75 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +# TODO(hippo91) : correct the functions return types +"""Astroid hooks for numpy.random.mtrand module.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def numpy_random_mtrand_transform(): + return parse( + """ + def beta(a, b, size=None): return uninferable + def binomial(n, p, size=None): return uninferable + def bytes(length): return uninferable + def chisquare(df, size=None): return uninferable + def choice(a, size=None, replace=True, p=None): return uninferable + def dirichlet(alpha, size=None): return uninferable + def exponential(scale=1.0, size=None): return uninferable + def f(dfnum, dfden, size=None): return uninferable + def gamma(shape, scale=1.0, size=None): return uninferable + def geometric(p, size=None): return uninferable + def get_state(): return uninferable + def gumbel(loc=0.0, scale=1.0, size=None): return uninferable + def hypergeometric(ngood, nbad, nsample, size=None): return uninferable + def laplace(loc=0.0, scale=1.0, size=None): return uninferable + def logistic(loc=0.0, scale=1.0, size=None): return uninferable + def lognormal(mean=0.0, sigma=1.0, size=None): return uninferable + def logseries(p, size=None): return uninferable + def multinomial(n, pvals, size=None): return uninferable + def multivariate_normal(mean, cov, size=None): return uninferable + def negative_binomial(n, p, size=None): return uninferable + def noncentral_chisquare(df, nonc, size=None): return uninferable + def noncentral_f(dfnum, dfden, nonc, size=None): return uninferable + def normal(loc=0.0, scale=1.0, size=None): return uninferable + def pareto(a, size=None): return uninferable + def permutation(x): return uninferable + def poisson(lam=1.0, size=None): return uninferable + def power(a, size=None): return uninferable + def rand(*args): return uninferable + def randint(low, high=None, size=None, dtype='l'): + import numpy + return numpy.ndarray((1,1)) + def randn(*args): return uninferable + def random(size=None): return uninferable + def random_integers(low, high=None, size=None): return uninferable + def random_sample(size=None): return uninferable + def rayleigh(scale=1.0, size=None): return uninferable + def seed(seed=None): return uninferable + def set_state(state): return uninferable + def shuffle(x): return uninferable + def standard_cauchy(size=None): return uninferable + def standard_exponential(size=None): return uninferable + def standard_gamma(shape, size=None): return uninferable + def standard_normal(size=None): return uninferable + def standard_t(df, size=None): return uninferable + def triangular(left, mode, right, size=None): return uninferable + def uniform(low=0.0, high=1.0, size=None): return uninferable + def vonmises(mu, kappa, size=None): return uninferable + def wald(mean, scale, size=None): return uninferable + def weibull(a, size=None): return uninferable + def zipf(a, size=None): return uninferable + """ + ) + + +register_module_extender( + AstroidManager(), "numpy.random.mtrand", numpy_random_mtrand_transform +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_utils.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_utils.py new file mode 100644 index 0000000..4c85999 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_numpy_utils.py @@ -0,0 +1,67 @@ +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2019-2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Different utilities for the numpy brains""" +from astroid.builder import extract_node +from astroid.node_classes import Attribute, Import, Name, NodeNG + + +def infer_numpy_member(src, node, context=None): + node = extract_node(src) + return node.infer(context=context) + + +def _is_a_numpy_module(node: Name) -> bool: + """ + Returns True if the node is a representation of a numpy module. + + For example in : + import numpy as np + x = np.linspace(1, 2) + The node is a representation of the numpy module. + + :param node: node to test + :return: True if the node is a representation of the numpy module. + """ + module_nickname = node.name + potential_import_target = [ + x for x in node.lookup(module_nickname)[1] if isinstance(x, Import) + ] + for target in potential_import_target: + if ("numpy", module_nickname) in target.names or ( + "numpy", + None, + ) in target.names: + return True + return False + + +def looks_like_numpy_member(member_name: str, node: NodeNG) -> bool: + """ + Returns True if the node is a member of numpy whose + name is member_name. + + :param member_name: name of the member + :param node: node to test + :return: True if the node is a member of numpy + """ + if ( + isinstance(node, Attribute) + and node.attrname == member_name + and isinstance(node.expr, Name) + and _is_a_numpy_module(node.expr) + ): + return True + if ( + isinstance(node, Name) + and node.name == member_name + and node.root().name.startswith("numpy") + ): + return True + return False diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pkg_resources.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pkg_resources.py new file mode 100644 index 0000000..d45e898 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pkg_resources.py @@ -0,0 +1,75 @@ +# Copyright (c) 2016, 2018 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +from astroid import parse +from astroid.brain.helpers import register_module_extender +from astroid.manager import AstroidManager + + +def pkg_resources_transform(): + return parse( + """ +def require(*requirements): + return pkg_resources.working_set.require(*requirements) + +def run_script(requires, script_name): + return pkg_resources.working_set.run_script(requires, script_name) + +def iter_entry_points(group, name=None): + return pkg_resources.working_set.iter_entry_points(group, name) + +def resource_exists(package_or_requirement, resource_name): + return get_provider(package_or_requirement).has_resource(resource_name) + +def resource_isdir(package_or_requirement, resource_name): + return get_provider(package_or_requirement).resource_isdir( + resource_name) + +def resource_filename(package_or_requirement, resource_name): + return get_provider(package_or_requirement).get_resource_filename( + self, resource_name) + +def resource_stream(package_or_requirement, resource_name): + return get_provider(package_or_requirement).get_resource_stream( + self, resource_name) + +def resource_string(package_or_requirement, resource_name): + return get_provider(package_or_requirement).get_resource_string( + self, resource_name) + +def resource_listdir(package_or_requirement, resource_name): + return get_provider(package_or_requirement).resource_listdir( + resource_name) + +def extraction_error(): + pass + +def get_cache_path(archive_name, names=()): + extract_path = self.extraction_path or get_default_cache() + target_path = os.path.join(extract_path, archive_name+'-tmp', *names) + return target_path + +def postprocess(tempname, filename): + pass + +def set_extraction_path(path): + pass + +def cleanup_resources(force=False): + pass + +def get_distribution(dist): + return Distribution(dist) + +_namespace_packages = {} +""" + ) + + +register_module_extender(AstroidManager(), "pkg_resources", pkg_resources_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pytest.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pytest.py new file mode 100644 index 0000000..fa61313 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_pytest.py @@ -0,0 +1,91 @@ +# Copyright (c) 2014-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2014 Jeff Quast +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2016 Florian Bruhin +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for pytest.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.manager import AstroidManager + + +def pytest_transform(): + return AstroidBuilder(AstroidManager()).string_build( + """ + +try: + import _pytest.mark + import _pytest.recwarn + import _pytest.runner + import _pytest.python + import _pytest.skipping + import _pytest.assertion +except ImportError: + pass +else: + deprecated_call = _pytest.recwarn.deprecated_call + warns = _pytest.recwarn.warns + + exit = _pytest.runner.exit + fail = _pytest.runner.fail + skip = _pytest.runner.skip + importorskip = _pytest.runner.importorskip + + xfail = _pytest.skipping.xfail + mark = _pytest.mark.MarkGenerator() + raises = _pytest.python.raises + + # New in pytest 3.0 + try: + approx = _pytest.python.approx + register_assert_rewrite = _pytest.assertion.register_assert_rewrite + except AttributeError: + pass + + +# Moved in pytest 3.0 + +try: + import _pytest.freeze_support + freeze_includes = _pytest.freeze_support.freeze_includes +except ImportError: + try: + import _pytest.genscript + freeze_includes = _pytest.genscript.freeze_includes + except ImportError: + pass + +try: + import _pytest.debugging + set_trace = _pytest.debugging.pytestPDB().set_trace +except ImportError: + try: + import _pytest.pdb + set_trace = _pytest.pdb.pytestPDB().set_trace + except ImportError: + pass + +try: + import _pytest.fixtures + fixture = _pytest.fixtures.fixture + yield_fixture = _pytest.fixtures.yield_fixture +except ImportError: + try: + import _pytest.python + fixture = _pytest.python.fixture + yield_fixture = _pytest.python.yield_fixture + except ImportError: + pass +""" + ) + + +register_module_extender(AstroidManager(), "pytest", pytest_transform) +register_module_extender(AstroidManager(), "py.test", pytest_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_qt.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_qt.py new file mode 100644 index 0000000..25295f2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_qt.py @@ -0,0 +1,88 @@ +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2017 Roy Wright +# Copyright (c) 2018 Ashley Whetter +# Copyright (c) 2019 Antoine Boellinger +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for the PyQT library.""" + +from astroid import nodes, parse +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.manager import AstroidManager + + +def _looks_like_signal(node, signal_name="pyqtSignal"): + if "__class__" in node.instance_attrs: + try: + cls = node.instance_attrs["__class__"][0] + return cls.name == signal_name + except AttributeError: + # return False if the cls does not have a name attribute + pass + return False + + +def transform_pyqt_signal(node): + module = parse( + """ + class pyqtSignal(object): + def connect(self, slot, type=None, no_receiver_check=False): + pass + def disconnect(self, slot): + pass + def emit(self, *args): + pass + """ + ) + signal_cls = module["pyqtSignal"] + node.instance_attrs["emit"] = signal_cls["emit"] + node.instance_attrs["disconnect"] = signal_cls["disconnect"] + node.instance_attrs["connect"] = signal_cls["connect"] + + +def transform_pyside_signal(node): + module = parse( + """ + class NotPySideSignal(object): + def connect(self, receiver, type=None): + pass + def disconnect(self, receiver): + pass + def emit(self, *args): + pass + """ + ) + signal_cls = module["NotPySideSignal"] + node.instance_attrs["connect"] = signal_cls["connect"] + node.instance_attrs["disconnect"] = signal_cls["disconnect"] + node.instance_attrs["emit"] = signal_cls["emit"] + + +def pyqt4_qtcore_transform(): + return AstroidBuilder(AstroidManager()).string_build( + """ + +def SIGNAL(signal_name): pass + +class QObject(object): + def emit(self, signal): pass +""" + ) + + +register_module_extender(AstroidManager(), "PyQt4.QtCore", pyqt4_qtcore_transform) +AstroidManager().register_transform( + nodes.FunctionDef, transform_pyqt_signal, _looks_like_signal +) +AstroidManager().register_transform( + nodes.ClassDef, + transform_pyside_signal, + lambda node: node.qname() in ("PySide.QtCore.Signal", "PySide2.QtCore.Signal"), +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_random.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_random.py new file mode 100644 index 0000000..abe3492 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_random.py @@ -0,0 +1,85 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +import random + +from astroid import helpers +from astroid.exceptions import UseInferenceDefault +from astroid.inference_tip import inference_tip +from astroid.manager import AstroidManager +from astroid.node_classes import ( + Attribute, + Call, + Const, + EvaluatedObject, + List, + Name, + Set, + Tuple, +) + +ACCEPTED_ITERABLES_FOR_SAMPLE = (List, Set, Tuple) + + +def _clone_node_with_lineno(node, parent, lineno): + if isinstance(node, EvaluatedObject): + node = node.original + cls = node.__class__ + other_fields = node._other_fields + _astroid_fields = node._astroid_fields + init_params = {"lineno": lineno, "col_offset": node.col_offset, "parent": parent} + postinit_params = {param: getattr(node, param) for param in _astroid_fields} + if other_fields: + init_params.update({param: getattr(node, param) for param in other_fields}) + new_node = cls(**init_params) + if hasattr(node, "postinit") and _astroid_fields: + new_node.postinit(**postinit_params) + return new_node + + +def infer_random_sample(node, context=None): + if len(node.args) != 2: + raise UseInferenceDefault + + length = node.args[1] + if not isinstance(length, Const): + raise UseInferenceDefault + if not isinstance(length.value, int): + raise UseInferenceDefault + + inferred_sequence = helpers.safe_infer(node.args[0], context=context) + if not inferred_sequence: + raise UseInferenceDefault + + if not isinstance(inferred_sequence, ACCEPTED_ITERABLES_FOR_SAMPLE): + raise UseInferenceDefault + + if length.value > len(inferred_sequence.elts): + # In this case, this will raise a ValueError + raise UseInferenceDefault + + try: + elts = random.sample(inferred_sequence.elts, length.value) + except ValueError as exc: + raise UseInferenceDefault from exc + + new_node = List(lineno=node.lineno, col_offset=node.col_offset, parent=node.scope()) + new_elts = [ + _clone_node_with_lineno(elt, parent=new_node, lineno=new_node.lineno) + for elt in elts + ] + new_node.postinit(new_elts) + return iter((new_node,)) + + +def _looks_like_random_sample(node): + func = node.func + if isinstance(func, Attribute): + return func.attrname == "sample" + if isinstance(func, Name): + return func.name == "sample" + return False + + +AstroidManager().register_transform( + Call, inference_tip(infer_random_sample), _looks_like_random_sample +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_re.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_re.py new file mode 100644 index 0000000..23e791d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_re.py @@ -0,0 +1,84 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +from astroid import context, inference_tip, nodes +from astroid.brain.helpers import register_module_extender +from astroid.builder import extract_node, parse +from astroid.const import PY37_PLUS, PY39_PLUS +from astroid.manager import AstroidManager + + +def _re_transform(): + # Since Python 3.6 there is the RegexFlag enum + # where every entry will be exposed via updating globals() + return parse( + """ + import sre_compile + ASCII = sre_compile.SRE_FLAG_ASCII + IGNORECASE = sre_compile.SRE_FLAG_IGNORECASE + LOCALE = sre_compile.SRE_FLAG_LOCALE + UNICODE = sre_compile.SRE_FLAG_UNICODE + MULTILINE = sre_compile.SRE_FLAG_MULTILINE + DOTALL = sre_compile.SRE_FLAG_DOTALL + VERBOSE = sre_compile.SRE_FLAG_VERBOSE + A = ASCII + I = IGNORECASE + L = LOCALE + U = UNICODE + M = MULTILINE + S = DOTALL + X = VERBOSE + TEMPLATE = sre_compile.SRE_FLAG_TEMPLATE + T = TEMPLATE + DEBUG = sre_compile.SRE_FLAG_DEBUG + """ + ) + + +register_module_extender(AstroidManager(), "re", _re_transform) + + +CLASS_GETITEM_TEMPLATE = """ +@classmethod +def __class_getitem__(cls, item): + return cls +""" + + +def _looks_like_pattern_or_match(node: nodes.Call) -> bool: + """Check for re.Pattern or re.Match call in stdlib. + + Match these patterns from stdlib/re.py + ```py + Pattern = type(...) + Match = type(...) + ``` + """ + return ( + node.root().name == "re" + and isinstance(node.func, nodes.Name) + and node.func.name == "type" + and isinstance(node.parent, nodes.Assign) + and len(node.parent.targets) == 1 + and isinstance(node.parent.targets[0], nodes.AssignName) + and node.parent.targets[0].name in ("Pattern", "Match") + ) + + +def infer_pattern_match(node: nodes.Call, ctx: context.InferenceContext = None): + """Infer re.Pattern and re.Match as classes. For PY39+ add `__class_getitem__`.""" + class_def = nodes.ClassDef( + name=node.parent.targets[0].name, + lineno=node.lineno, + col_offset=node.col_offset, + parent=node.parent, + ) + if PY39_PLUS: + func_to_add = extract_node(CLASS_GETITEM_TEMPLATE) + class_def.locals["__class_getitem__"] = [func_to_add] + return iter([class_def]) + + +if PY37_PLUS: + AstroidManager().register_transform( + nodes.Call, inference_tip(infer_pattern_match), _looks_like_pattern_or_match + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_responses.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_responses.py new file mode 100644 index 0000000..d034121 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_responses.py @@ -0,0 +1,75 @@ +""" +Astroid hooks for responses. + +It might need to be manually updated from the public methods of +:class:`responses.RequestsMock`. + +See: https://github.com/getsentry/responses/blob/master/responses.py + +""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def responses_funcs(): + return parse( + """ + DELETE = "DELETE" + GET = "GET" + HEAD = "HEAD" + OPTIONS = "OPTIONS" + PATCH = "PATCH" + POST = "POST" + PUT = "PUT" + response_callback = None + + def reset(): + return + + def add( + method=None, # method or ``Response`` + url=None, + body="", + adding_headers=None, + *args, + **kwargs + ): + return + + def add_passthru(prefix): + return + + def remove(method_or_response=None, url=None): + return + + def replace(method_or_response=None, url=None, body="", *args, **kwargs): + return + + def add_callback( + method, url, callback, match_querystring=False, content_type="text/plain" + ): + return + + calls = [] + + def __enter__(): + return + + def __exit__(type, value, traceback): + success = type is None + return success + + def activate(func): + return func + + def start(): + return + + def stop(allow_assert=True): + return + """ + ) + + +register_module_extender(AstroidManager(), "responses", responses_funcs) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_scipy_signal.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_scipy_signal.py new file mode 100644 index 0000000..856856a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_scipy_signal.py @@ -0,0 +1,94 @@ +# Copyright (c) 2019 Valentin Valls +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for scipy.signal module.""" +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def scipy_signal(): + return parse( + """ + # different functions defined in scipy.signals + + def barthann(M, sym=True): + return numpy.ndarray([0]) + + def bartlett(M, sym=True): + return numpy.ndarray([0]) + + def blackman(M, sym=True): + return numpy.ndarray([0]) + + def blackmanharris(M, sym=True): + return numpy.ndarray([0]) + + def bohman(M, sym=True): + return numpy.ndarray([0]) + + def boxcar(M, sym=True): + return numpy.ndarray([0]) + + def chebwin(M, at, sym=True): + return numpy.ndarray([0]) + + def cosine(M, sym=True): + return numpy.ndarray([0]) + + def exponential(M, center=None, tau=1.0, sym=True): + return numpy.ndarray([0]) + + def flattop(M, sym=True): + return numpy.ndarray([0]) + + def gaussian(M, std, sym=True): + return numpy.ndarray([0]) + + def general_gaussian(M, p, sig, sym=True): + return numpy.ndarray([0]) + + def hamming(M, sym=True): + return numpy.ndarray([0]) + + def hann(M, sym=True): + return numpy.ndarray([0]) + + def hanning(M, sym=True): + return numpy.ndarray([0]) + + def impulse2(system, X0=None, T=None, N=None, **kwargs): + return numpy.ndarray([0]), numpy.ndarray([0]) + + def kaiser(M, beta, sym=True): + return numpy.ndarray([0]) + + def nuttall(M, sym=True): + return numpy.ndarray([0]) + + def parzen(M, sym=True): + return numpy.ndarray([0]) + + def slepian(M, width, sym=True): + return numpy.ndarray([0]) + + def step2(system, X0=None, T=None, N=None, **kwargs): + return numpy.ndarray([0]), numpy.ndarray([0]) + + def triang(M, sym=True): + return numpy.ndarray([0]) + + def tukey(M, alpha=0.5, sym=True): + return numpy.ndarray([0]) + """ + ) + + +register_module_extender(AstroidManager(), "scipy.signal", scipy_signal) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_six.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_six.py new file mode 100644 index 0000000..074c5e8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_six.py @@ -0,0 +1,249 @@ +# Copyright (c) 2014-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Artsiom Kaval +# Copyright (c) 2021 Francis Charette Migneault + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +"""Astroid hooks for six module.""" + +from textwrap import dedent + +from astroid import nodes +from astroid.brain.helpers import register_module_extender +from astroid.builder import AstroidBuilder +from astroid.exceptions import ( + AstroidBuildingError, + AttributeInferenceError, + InferenceError, +) +from astroid.manager import AstroidManager + +SIX_ADD_METACLASS = "six.add_metaclass" +SIX_WITH_METACLASS = "six.with_metaclass" + + +def default_predicate(line): + return line.strip() + + +def _indent(text, prefix, predicate=default_predicate): + """Adds 'prefix' to the beginning of selected lines in 'text'. + + If 'predicate' is provided, 'prefix' will only be added to the lines + where 'predicate(line)' is True. If 'predicate' is not provided, + it will default to adding 'prefix' to all non-empty lines that do not + consist solely of whitespace characters. + """ + + def prefixed_lines(): + for line in text.splitlines(True): + yield prefix + line if predicate(line) else line + + return "".join(prefixed_lines()) + + +_IMPORTS = """ +import _io +cStringIO = _io.StringIO +filter = filter +from itertools import filterfalse +input = input +from sys import intern +map = map +range = range +from importlib import reload +reload_module = lambda module: reload(module) +from functools import reduce +from shlex import quote as shlex_quote +from io import StringIO +from collections import UserDict, UserList, UserString +xrange = range +zip = zip +from itertools import zip_longest +import builtins +import configparser +import copyreg +import _dummy_thread +import http.cookiejar as http_cookiejar +import http.cookies as http_cookies +import html.entities as html_entities +import html.parser as html_parser +import http.client as http_client +import http.server as http_server +BaseHTTPServer = CGIHTTPServer = SimpleHTTPServer = http.server +import pickle as cPickle +import queue +import reprlib +import socketserver +import _thread +import winreg +import xmlrpc.server as xmlrpc_server +import xmlrpc.client as xmlrpc_client +import urllib.robotparser as urllib_robotparser +import email.mime.multipart as email_mime_multipart +import email.mime.nonmultipart as email_mime_nonmultipart +import email.mime.text as email_mime_text +import email.mime.base as email_mime_base +import urllib.parse as urllib_parse +import urllib.error as urllib_error +import tkinter +import tkinter.dialog as tkinter_dialog +import tkinter.filedialog as tkinter_filedialog +import tkinter.scrolledtext as tkinter_scrolledtext +import tkinter.simpledialog as tkinder_simpledialog +import tkinter.tix as tkinter_tix +import tkinter.ttk as tkinter_ttk +import tkinter.constants as tkinter_constants +import tkinter.dnd as tkinter_dnd +import tkinter.colorchooser as tkinter_colorchooser +import tkinter.commondialog as tkinter_commondialog +import tkinter.filedialog as tkinter_tkfiledialog +import tkinter.font as tkinter_font +import tkinter.messagebox as tkinter_messagebox +import urllib +import urllib.request as urllib_request +import urllib.robotparser as urllib_robotparser +import urllib.parse as urllib_parse +import urllib.error as urllib_error +""" + + +def six_moves_transform(): + code = dedent( + """ + class Moves(object): + {} + moves = Moves() + """ + ).format(_indent(_IMPORTS, " ")) + module = AstroidBuilder(AstroidManager()).string_build(code) + module.name = "six.moves" + return module + + +def _six_fail_hook(modname): + """Fix six.moves imports due to the dynamic nature of this + class. + + Construct a pseudo-module which contains all the necessary imports + for six + + :param modname: Name of failed module + :type modname: str + + :return: An astroid module + :rtype: nodes.Module + """ + + attribute_of = modname != "six.moves" and modname.startswith("six.moves") + if modname != "six.moves" and not attribute_of: + raise AstroidBuildingError(modname=modname) + module = AstroidBuilder(AstroidManager()).string_build(_IMPORTS) + module.name = "six.moves" + if attribute_of: + # Facilitate import of submodules in Moves + start_index = len(module.name) + attribute = modname[start_index:].lstrip(".").replace(".", "_") + try: + import_attr = module.getattr(attribute)[0] + except AttributeInferenceError as exc: + raise AstroidBuildingError(modname=modname) from exc + if isinstance(import_attr, nodes.Import): + submodule = AstroidManager().ast_from_module_name(import_attr.names[0][0]) + return submodule + # Let dummy submodule imports pass through + # This will cause an Uninferable result, which is okay + return module + + +def _looks_like_decorated_with_six_add_metaclass(node): + if not node.decorators: + return False + + for decorator in node.decorators.nodes: + if not isinstance(decorator, nodes.Call): + continue + if decorator.func.as_string() == SIX_ADD_METACLASS: + return True + return False + + +def transform_six_add_metaclass(node): # pylint: disable=inconsistent-return-statements + """Check if the given class node is decorated with *six.add_metaclass* + + If so, inject its argument as the metaclass of the underlying class. + """ + if not node.decorators: + return + + for decorator in node.decorators.nodes: + if not isinstance(decorator, nodes.Call): + continue + + try: + func = next(decorator.func.infer()) + except (InferenceError, StopIteration): + continue + if func.qname() == SIX_ADD_METACLASS and decorator.args: + metaclass = decorator.args[0] + node._metaclass = metaclass + return node + return + + +def _looks_like_nested_from_six_with_metaclass(node): + if len(node.bases) != 1: + return False + base = node.bases[0] + if not isinstance(base, nodes.Call): + return False + try: + if hasattr(base.func, "expr"): + # format when explicit 'six.with_metaclass' is used + mod = base.func.expr.name + func = base.func.attrname + func = f"{mod}.{func}" + else: + # format when 'with_metaclass' is used directly (local import from six) + # check reference module to avoid 'with_metaclass' name clashes + mod = base.parent.parent + import_from = mod.locals["with_metaclass"][0] + func = f"{import_from.modname}.{base.func.name}" + except (AttributeError, KeyError, IndexError): + return False + return func == SIX_WITH_METACLASS + + +def transform_six_with_metaclass(node): + """Check if the given class node is defined with *six.with_metaclass* + + If so, inject its argument as the metaclass of the underlying class. + """ + call = node.bases[0] + node._metaclass = call.args[0] + return node + + +register_module_extender(AstroidManager(), "six", six_moves_transform) +register_module_extender( + AstroidManager(), "requests.packages.urllib3.packages.six", six_moves_transform +) +AstroidManager().register_failed_import_hook(_six_fail_hook) +AstroidManager().register_transform( + nodes.ClassDef, + transform_six_add_metaclass, + _looks_like_decorated_with_six_add_metaclass, +) +AstroidManager().register_transform( + nodes.ClassDef, + transform_six_with_metaclass, + _looks_like_nested_from_six_with_metaclass, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_sqlalchemy.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_sqlalchemy.py new file mode 100644 index 0000000..d2352ce --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_sqlalchemy.py @@ -0,0 +1,35 @@ +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def _session_transform(): + return parse( + """ + from sqlalchemy.orm.session import Session + + class sessionmaker: + def __init__( + self, + bind=None, + class_=Session, + autoflush=True, + autocommit=False, + expire_on_commit=True, + info=None, + **kw + ): + return + + def __call__(self, **local_kw): + return Session() + + def configure(self, **new_kw): + return + + return Session() + """ + ) + + +register_module_extender(AstroidManager(), "sqlalchemy.orm.session", _session_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_ssl.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_ssl.py new file mode 100644 index 0000000..8c2284e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_ssl.py @@ -0,0 +1,77 @@ +# Copyright (c) 2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2019 Benjamin Elven <25181435+S3ntinelX@users.noreply.github.com> +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for the ssl library.""" + +from astroid import parse +from astroid.brain.helpers import register_module_extender +from astroid.manager import AstroidManager + + +def ssl_transform(): + return parse( + """ + from _ssl import OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_INFO, OPENSSL_VERSION + from _ssl import _SSLContext, MemoryBIO + from _ssl import ( + SSLError, SSLZeroReturnError, SSLWantReadError, SSLWantWriteError, + SSLSyscallError, SSLEOFError, + ) + from _ssl import CERT_NONE, CERT_OPTIONAL, CERT_REQUIRED + from _ssl import txt2obj as _txt2obj, nid2obj as _nid2obj + from _ssl import RAND_status, RAND_add, RAND_bytes, RAND_pseudo_bytes + try: + from _ssl import RAND_egd + except ImportError: + # LibreSSL does not provide RAND_egd + pass + from _ssl import (OP_ALL, OP_CIPHER_SERVER_PREFERENCE, + OP_NO_COMPRESSION, OP_NO_SSLv2, OP_NO_SSLv3, + OP_NO_TLSv1, OP_NO_TLSv1_1, OP_NO_TLSv1_2, + OP_SINGLE_DH_USE, OP_SINGLE_ECDH_USE) + + from _ssl import (ALERT_DESCRIPTION_ACCESS_DENIED, ALERT_DESCRIPTION_BAD_CERTIFICATE, + ALERT_DESCRIPTION_BAD_CERTIFICATE_HASH_VALUE, + ALERT_DESCRIPTION_BAD_CERTIFICATE_STATUS_RESPONSE, + ALERT_DESCRIPTION_BAD_RECORD_MAC, + ALERT_DESCRIPTION_CERTIFICATE_EXPIRED, + ALERT_DESCRIPTION_CERTIFICATE_REVOKED, + ALERT_DESCRIPTION_CERTIFICATE_UNKNOWN, + ALERT_DESCRIPTION_CERTIFICATE_UNOBTAINABLE, + ALERT_DESCRIPTION_CLOSE_NOTIFY, ALERT_DESCRIPTION_DECODE_ERROR, + ALERT_DESCRIPTION_DECOMPRESSION_FAILURE, + ALERT_DESCRIPTION_DECRYPT_ERROR, + ALERT_DESCRIPTION_HANDSHAKE_FAILURE, + ALERT_DESCRIPTION_ILLEGAL_PARAMETER, + ALERT_DESCRIPTION_INSUFFICIENT_SECURITY, + ALERT_DESCRIPTION_INTERNAL_ERROR, + ALERT_DESCRIPTION_NO_RENEGOTIATION, + ALERT_DESCRIPTION_PROTOCOL_VERSION, + ALERT_DESCRIPTION_RECORD_OVERFLOW, + ALERT_DESCRIPTION_UNEXPECTED_MESSAGE, + ALERT_DESCRIPTION_UNKNOWN_CA, + ALERT_DESCRIPTION_UNKNOWN_PSK_IDENTITY, + ALERT_DESCRIPTION_UNRECOGNIZED_NAME, + ALERT_DESCRIPTION_UNSUPPORTED_CERTIFICATE, + ALERT_DESCRIPTION_UNSUPPORTED_EXTENSION, + ALERT_DESCRIPTION_USER_CANCELLED) + from _ssl import (SSL_ERROR_EOF, SSL_ERROR_INVALID_ERROR_CODE, SSL_ERROR_SSL, + SSL_ERROR_SYSCALL, SSL_ERROR_WANT_CONNECT, SSL_ERROR_WANT_READ, + SSL_ERROR_WANT_WRITE, SSL_ERROR_WANT_X509_LOOKUP, SSL_ERROR_ZERO_RETURN) + from _ssl import VERIFY_CRL_CHECK_CHAIN, VERIFY_CRL_CHECK_LEAF, VERIFY_DEFAULT, VERIFY_X509_STRICT + from _ssl import HAS_SNI, HAS_ECDH, HAS_NPN, HAS_ALPN + from _ssl import _OPENSSL_API_VERSION + from _ssl import PROTOCOL_SSLv23, PROTOCOL_TLSv1, PROTOCOL_TLSv1_1, PROTOCOL_TLSv1_2 + from _ssl import PROTOCOL_TLS, PROTOCOL_TLS_CLIENT, PROTOCOL_TLS_SERVER + """ + ) + + +register_module_extender(AstroidManager(), "ssl", ssl_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_subprocess.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_subprocess.py new file mode 100644 index 0000000..18c128e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_subprocess.py @@ -0,0 +1,143 @@ +# Copyright (c) 2016-2020 Claudiu Popa +# Copyright (c) 2017 Hugo +# Copyright (c) 2018 Peter Talley +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Peter Pentchev +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Damien Baty + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +import textwrap + +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.const import PY37_PLUS, PY39_PLUS +from astroid.manager import AstroidManager + + +def _subprocess_transform(): + communicate = (bytes("string", "ascii"), bytes("string", "ascii")) + communicate_signature = "def communicate(self, input=None, timeout=None)" + args = """\ + self, args, bufsize=0, executable=None, stdin=None, stdout=None, stderr=None, + preexec_fn=None, close_fds=False, shell=False, cwd=None, env=None, + universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True, + start_new_session=False, pass_fds=(), *, encoding=None, errors=None""" + if PY37_PLUS: + args += ", text=None" + init = f""" + def __init__({args}): + pass""" + wait_signature = "def wait(self, timeout=None)" + ctx_manager = """ + def __enter__(self): return self + def __exit__(self, *args): pass + """ + py3_args = "args = []" + + if PY37_PLUS: + check_output_signature = """ + check_output( + args, *, + stdin=None, + stderr=None, + shell=False, + cwd=None, + encoding=None, + errors=None, + universal_newlines=False, + timeout=None, + env=None, + text=None, + restore_signals=True, + preexec_fn=None, + pass_fds=(), + input=None, + bufsize=0, + executable=None, + close_fds=False, + startupinfo=None, + creationflags=0, + start_new_session=False + ): + """.strip() + else: + check_output_signature = """ + check_output( + args, *, + stdin=None, + stderr=None, + shell=False, + cwd=None, + encoding=None, + errors=None, + universal_newlines=False, + timeout=None, + env=None, + restore_signals=True, + preexec_fn=None, + pass_fds=(), + input=None, + bufsize=0, + executable=None, + close_fds=False, + startupinfo=None, + creationflags=0, + start_new_session=False + ): + """.strip() + + code = textwrap.dedent( + """ + def %(check_output_signature)s + if universal_newlines: + return "" + return b"" + + class Popen(object): + returncode = pid = 0 + stdin = stdout = stderr = file() + %(py3_args)s + + %(communicate_signature)s: + return %(communicate)r + %(wait_signature)s: + return self.returncode + def poll(self): + return self.returncode + def send_signal(self, signal): + pass + def terminate(self): + pass + def kill(self): + pass + %(ctx_manager)s + """ + % { + "check_output_signature": check_output_signature, + "communicate": communicate, + "communicate_signature": communicate_signature, + "wait_signature": wait_signature, + "ctx_manager": ctx_manager, + "py3_args": py3_args, + } + ) + if PY39_PLUS: + code += """ + @classmethod + def __class_getitem__(cls, item): + pass + """ + + init_lines = textwrap.dedent(init).splitlines() + indented_init = "\n".join(" " * 4 + line for line in init_lines) + code += indented_init + return parse(code) + + +register_module_extender(AstroidManager(), "subprocess", _subprocess_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_threading.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_threading.py new file mode 100644 index 0000000..f872530 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_threading.py @@ -0,0 +1,36 @@ +# Copyright (c) 2016, 2018-2020 Claudiu Popa +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +from astroid.brain.helpers import register_module_extender +from astroid.builder import parse +from astroid.manager import AstroidManager + + +def _thread_transform(): + return parse( + """ + class lock(object): + def acquire(self, blocking=True, timeout=-1): + return False + def release(self): + pass + def __enter__(self): + return True + def __exit__(self, *args): + pass + def locked(self): + return False + + def Lock(): + return lock() + """ + ) + + +register_module_extender(AstroidManager(), "threading", _thread_transform) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_type.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_type.py new file mode 100644 index 0000000..7d04265 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_type.py @@ -0,0 +1,65 @@ +""" +Astroid hooks for type support. + +Starting from python3.9, type object behaves as it had __class_getitem__ method. +However it was not possible to simply add this method inside type's body, otherwise +all types would also have this method. In this case it would have been possible +to write str[int]. +Guido Van Rossum proposed a hack to handle this in the interpreter: +https://github.com/python/cpython/blob/67e394562d67cbcd0ac8114e5439494e7645b8f5/Objects/abstract.c#L181-L184 + +This brain follows the same logic. It is no wise to add permanently the __class_getitem__ method +to the type object. Instead we choose to add it only in the case of a subscript node +which inside name node is type. +Doing this type[int] is allowed whereas str[int] is not. + +Thanks to Lukasz Langa for fruitful discussion. +""" + +from astroid import extract_node, inference_tip, nodes +from astroid.const import PY39_PLUS +from astroid.exceptions import UseInferenceDefault +from astroid.manager import AstroidManager + + +def _looks_like_type_subscript(node): + """ + Try to figure out if a Name node is used inside a type related subscript + + :param node: node to check + :type node: astroid.node_classes.NodeNG + :return: true if the node is a Name node inside a type related subscript + :rtype: bool + """ + if isinstance(node, nodes.Name) and isinstance(node.parent, nodes.Subscript): + return node.name == "type" + return False + + +def infer_type_sub(node, context=None): + """ + Infer a type[...] subscript + + :param node: node to infer + :type node: astroid.node_classes.NodeNG + :param context: inference context + :type context: astroid.context.InferenceContext + :return: the inferred node + :rtype: nodes.NodeNG + """ + node_scope, _ = node.scope().lookup("type") + if node_scope.qname() != "builtins": + raise UseInferenceDefault() + class_src = """ + class type: + def __class_getitem__(cls, key): + return cls + """ + node = extract_node(class_src) + return node.infer(context=context) + + +if PY39_PLUS: + AstroidManager().register_transform( + nodes.Name, inference_tip(infer_type_sub), _looks_like_type_subscript + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_typing.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_typing.py new file mode 100644 index 0000000..775611a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_typing.py @@ -0,0 +1,418 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +# Copyright (c) 2017-2018 Claudiu Popa +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2017 David Euresti +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2021 Tim Martin +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 hippo91 + +"""Astroid hooks for typing.py support.""" +import typing +from functools import partial + +from astroid import context, extract_node, inference_tip, node_classes +from astroid.const import PY37_PLUS, PY38_PLUS, PY39_PLUS +from astroid.exceptions import ( + AttributeInferenceError, + InferenceError, + UseInferenceDefault, +) +from astroid.manager import AstroidManager +from astroid.node_classes import ( + Assign, + AssignName, + Attribute, + Call, + Const, + Name, + NodeNG, + Subscript, +) +from astroid.scoped_nodes import ClassDef, FunctionDef +from astroid.util import Uninferable + +TYPING_NAMEDTUPLE_BASENAMES = {"NamedTuple", "typing.NamedTuple"} +TYPING_TYPEVARS = {"TypeVar", "NewType"} +TYPING_TYPEVARS_QUALIFIED = {"typing.TypeVar", "typing.NewType"} +TYPING_TYPE_TEMPLATE = """ +class Meta(type): + def __getitem__(self, item): + return self + + @property + def __args__(self): + return () + +class {0}(metaclass=Meta): + pass +""" +TYPING_MEMBERS = set(typing.__all__) + +TYPING_ALIAS = frozenset( + ( + "typing.Hashable", + "typing.Awaitable", + "typing.Coroutine", + "typing.AsyncIterable", + "typing.AsyncIterator", + "typing.Iterable", + "typing.Iterator", + "typing.Reversible", + "typing.Sized", + "typing.Container", + "typing.Collection", + "typing.Callable", + "typing.AbstractSet", + "typing.MutableSet", + "typing.Mapping", + "typing.MutableMapping", + "typing.Sequence", + "typing.MutableSequence", + "typing.ByteString", + "typing.Tuple", + "typing.List", + "typing.Deque", + "typing.Set", + "typing.FrozenSet", + "typing.MappingView", + "typing.KeysView", + "typing.ItemsView", + "typing.ValuesView", + "typing.ContextManager", + "typing.AsyncContextManager", + "typing.Dict", + "typing.DefaultDict", + "typing.OrderedDict", + "typing.Counter", + "typing.ChainMap", + "typing.Generator", + "typing.AsyncGenerator", + "typing.Type", + "typing.Pattern", + "typing.Match", + ) +) + +CLASS_GETITEM_TEMPLATE = """ +@classmethod +def __class_getitem__(cls, item): + return cls +""" + + +def looks_like_typing_typevar_or_newtype(node): + func = node.func + if isinstance(func, Attribute): + return func.attrname in TYPING_TYPEVARS + if isinstance(func, Name): + return func.name in TYPING_TYPEVARS + return False + + +def infer_typing_typevar_or_newtype(node, context_itton=None): + """Infer a typing.TypeVar(...) or typing.NewType(...) call""" + try: + func = next(node.func.infer(context=context_itton)) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if func.qname() not in TYPING_TYPEVARS_QUALIFIED: + raise UseInferenceDefault + if not node.args: + raise UseInferenceDefault + + typename = node.args[0].as_string().strip("'") + node = extract_node(TYPING_TYPE_TEMPLATE.format(typename)) + return node.infer(context=context_itton) + + +def _looks_like_typing_subscript(node): + """Try to figure out if a Subscript node *might* be a typing-related subscript""" + if isinstance(node, Name): + return node.name in TYPING_MEMBERS + if isinstance(node, Attribute): + return node.attrname in TYPING_MEMBERS + if isinstance(node, Subscript): + return _looks_like_typing_subscript(node.value) + return False + + +def infer_typing_attr( + node: Subscript, ctx: context.InferenceContext = None +) -> typing.Iterator[ClassDef]: + """Infer a typing.X[...] subscript""" + try: + value = next(node.value.infer()) + except (InferenceError, StopIteration) as exc: + raise UseInferenceDefault from exc + + if ( + not value.qname().startswith("typing.") + or PY37_PLUS + and value.qname() in TYPING_ALIAS + ): + # If typing subscript belongs to an alias + # (PY37+) handle it separately. + raise UseInferenceDefault + + if ( + PY37_PLUS + and isinstance(value, ClassDef) + and value.qname() + in ("typing.Generic", "typing.Annotated", "typing_extensions.Annotated") + ): + # With PY37+ typing.Generic and typing.Annotated (PY39) are subscriptable + # through __class_getitem__. Since astroid can't easily + # infer the native methods, replace them for an easy inference tip + func_to_add = extract_node(CLASS_GETITEM_TEMPLATE) + value.locals["__class_getitem__"] = [func_to_add] + if ( + isinstance(node.parent, ClassDef) + and node in node.parent.bases + and getattr(node.parent, "__cache", None) + ): + # node.parent.slots is evaluated and cached before the inference tip + # is first applied. Remove the last result to allow a recalculation of slots + cache = node.parent.__cache + if cache.get(node.parent.slots) is not None: + del cache[node.parent.slots] + return iter([value]) + + node = extract_node(TYPING_TYPE_TEMPLATE.format(value.qname().split(".")[-1])) + return node.infer(context=ctx) + + +def _looks_like_typedDict( # pylint: disable=invalid-name + node: typing.Union[FunctionDef, ClassDef], +) -> bool: + """Check if node is TypedDict FunctionDef.""" + return node.qname() in ("typing.TypedDict", "typing_extensions.TypedDict") + + +def infer_old_typedDict( # pylint: disable=invalid-name + node: ClassDef, ctx: context.InferenceContext = None +) -> typing.Iterator[ClassDef]: + func_to_add = extract_node("dict") + node.locals["__call__"] = [func_to_add] + return iter([node]) + + +def infer_typedDict( # pylint: disable=invalid-name + node: FunctionDef, ctx: context.InferenceContext = None +) -> typing.Iterator[ClassDef]: + """Replace TypedDict FunctionDef with ClassDef.""" + class_def = ClassDef( + name="TypedDict", + lineno=node.lineno, + col_offset=node.col_offset, + parent=node.parent, + ) + class_def.postinit(bases=[extract_node("dict")], body=[], decorators=None) + func_to_add = extract_node("dict") + class_def.locals["__call__"] = [func_to_add] + return iter([class_def]) + + +def _looks_like_typing_alias(node: Call) -> bool: + """ + Returns True if the node corresponds to a call to _alias function. + For example : + + MutableSet = _alias(collections.abc.MutableSet, T) + + :param node: call node + """ + return ( + isinstance(node.func, Name) + and node.func.name == "_alias" + and ( + # _alias function works also for builtins object such as list and dict + isinstance(node.args[0], Attribute) + or isinstance(node.args[0], Name) + and node.args[0].name != "type" + ) + ) + + +def _forbid_class_getitem_access(node: ClassDef) -> None: + """ + Disable the access to __class_getitem__ method for the node in parameters + """ + + def full_raiser(origin_func, attr, *args, **kwargs): + """ + Raises an AttributeInferenceError in case of access to __class_getitem__ method. + Otherwise just call origin_func. + """ + if attr == "__class_getitem__": + raise AttributeInferenceError("__class_getitem__ access is not allowed") + return origin_func(attr, *args, **kwargs) + + try: + node.getattr("__class_getitem__") + # If we are here, then we are sure to modify object that do have __class_getitem__ method (which origin is one the + # protocol defined in collections module) whereas the typing module consider it should not + # We do not want __class_getitem__ to be found in the classdef + partial_raiser = partial(full_raiser, node.getattr) + node.getattr = partial_raiser + except AttributeInferenceError: + pass + + +def infer_typing_alias( + node: Call, ctx: context.InferenceContext = None +) -> typing.Iterator[ClassDef]: + """ + Infers the call to _alias function + Insert ClassDef, with same name as aliased class, + in mro to simulate _GenericAlias. + + :param node: call node + :param context: inference context + """ + if ( + not isinstance(node.parent, Assign) + or not len(node.parent.targets) == 1 + or not isinstance(node.parent.targets[0], AssignName) + ): + return None + try: + res = next(node.args[0].infer(context=ctx)) + except StopIteration as e: + raise InferenceError(node=node.args[0], context=context) from e + + assign_name = node.parent.targets[0] + + class_def = ClassDef( + name=assign_name.name, + lineno=assign_name.lineno, + col_offset=assign_name.col_offset, + parent=node.parent, + ) + if res != Uninferable and isinstance(res, ClassDef): + # Only add `res` as base if it's a `ClassDef` + # This isn't the case for `typing.Pattern` and `typing.Match` + class_def.postinit(bases=[res], body=[], decorators=None) + + maybe_type_var = node.args[1] + if ( + not PY39_PLUS + and not ( + isinstance(maybe_type_var, node_classes.Tuple) and not maybe_type_var.elts + ) + or PY39_PLUS + and isinstance(maybe_type_var, Const) + and maybe_type_var.value > 0 + ): + # If typing alias is subscriptable, add `__class_getitem__` to ClassDef + func_to_add = extract_node(CLASS_GETITEM_TEMPLATE) + class_def.locals["__class_getitem__"] = [func_to_add] + else: + # If not, make sure that `__class_getitem__` access is forbidden. + # This is an issue in cases where the aliased class implements it, + # but the typing alias isn't subscriptable. E.g., `typing.ByteString` for PY39+ + _forbid_class_getitem_access(class_def) + return iter([class_def]) + + +def _looks_like_tuple_alias(node: Call) -> bool: + """Return True if call is for Tuple alias. + + In PY37 and PY38 the call is to '_VariadicGenericAlias' with 'tuple' as + first argument. In PY39+ it is replaced by a call to '_TupleType'. + + PY37: Tuple = _VariadicGenericAlias(tuple, (), inst=False, special=True) + PY39: Tuple = _TupleType(tuple, -1, inst=False, name='Tuple') + """ + return isinstance(node.func, Name) and ( + not PY39_PLUS + and node.func.name == "_VariadicGenericAlias" + and isinstance(node.args[0], Name) + and node.args[0].name == "tuple" + or PY39_PLUS + and node.func.name == "_TupleType" + and isinstance(node.args[0], Name) + and node.args[0].name == "tuple" + ) + + +def infer_tuple_alias( + node: Call, ctx: context.InferenceContext = None +) -> typing.Iterator[ClassDef]: + """Infer call to tuple alias as new subscriptable class typing.Tuple.""" + try: + res = next(node.args[0].infer(context=ctx)) + except StopIteration as e: + raise InferenceError(node=node.args[0], context=context) from e + class_def = ClassDef( + name="Tuple", + parent=node.parent, + ) + class_def.postinit(bases=[res], body=[], decorators=None) + func_to_add = extract_node(CLASS_GETITEM_TEMPLATE) + class_def.locals["__class_getitem__"] = [func_to_add] + return iter([class_def]) + + +def _looks_like_typing_cast(node: Call) -> bool: + return isinstance(node, Call) and ( + isinstance(node.func, Name) + and node.func.name == "cast" + or isinstance(node.func, Attribute) + and node.func.attrname == "cast" + ) + + +def infer_typing_cast( + node: Call, ctx: context.InferenceContext = None +) -> typing.Iterator[NodeNG]: + """Infer call to cast() returning same type as casted-from var""" + if not isinstance(node.func, (Name, Attribute)): + raise UseInferenceDefault + + try: + func = next(node.func.infer(context=ctx)) + except InferenceError as exc: + raise UseInferenceDefault from exc + if ( + not isinstance(func, FunctionDef) + or func.qname() != "typing.cast" + or len(node.args) != 2 + ): + raise UseInferenceDefault + + return node.args[1].infer(context=ctx) + + +AstroidManager().register_transform( + Call, + inference_tip(infer_typing_typevar_or_newtype), + looks_like_typing_typevar_or_newtype, +) +AstroidManager().register_transform( + Subscript, inference_tip(infer_typing_attr), _looks_like_typing_subscript +) +AstroidManager().register_transform( + Call, inference_tip(infer_typing_cast), _looks_like_typing_cast +) + +if PY39_PLUS: + AstroidManager().register_transform( + FunctionDef, inference_tip(infer_typedDict), _looks_like_typedDict + ) +elif PY38_PLUS: + AstroidManager().register_transform( + ClassDef, inference_tip(infer_old_typedDict), _looks_like_typedDict + ) + +if PY37_PLUS: + AstroidManager().register_transform( + Call, inference_tip(infer_typing_alias), _looks_like_typing_alias + ) + AstroidManager().register_transform( + Call, inference_tip(infer_tuple_alias), _looks_like_tuple_alias + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_uuid.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_uuid.py new file mode 100644 index 0000000..546557c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/brain_uuid.py @@ -0,0 +1,22 @@ +# Copyright (c) 2017-2018, 2020 Claudiu Popa +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Astroid hooks for the UUID module.""" +from astroid.manager import AstroidManager +from astroid.node_classes import Const +from astroid.scoped_nodes import ClassDef + + +def _patch_uuid_class(node): + # The .int member is patched using __dict__ + node.locals["int"] = [Const(0, parent=node)] + + +AstroidManager().register_transform( + ClassDef, _patch_uuid_class, lambda node: node.qname() == "uuid.UUID" +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/brain/helpers.py b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/helpers.py new file mode 100644 index 0000000..f0bf0cc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/brain/helpers.py @@ -0,0 +1,13 @@ +from astroid.scoped_nodes import Module + + +def register_module_extender(manager, module_name, get_extension_mod): + def transform(node): + extension_module = get_extension_mod() + for name, objs in extension_module.locals.items(): + node.locals[name] = objs + for obj in objs: + if obj.parent is extension_module: + obj.parent = node + + manager.register_transform(Module, transform, lambda n: n.name == module_name) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/builder.py b/backend/mb-env/lib/python3.9/site-packages/astroid/builder.py new file mode 100644 index 0000000..9d3d413 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/builder.py @@ -0,0 +1,456 @@ +# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2013 Phil Schaf +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014-2015 Google, Inc. +# Copyright (c) 2014 Alexander Presnyakov +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2018 Anthony Sottile +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""The AstroidBuilder makes astroid from living object and / or from _ast + +The builder is not thread safe and can't be used to parse different sources +at the same time. +""" +import os +import textwrap +from tokenize import detect_encoding +from typing import List, Union + +from astroid import bases, modutils, nodes, raw_building, rebuilder, util +from astroid._ast import get_parser_module +from astroid.exceptions import AstroidBuildingError, AstroidSyntaxError, InferenceError +from astroid.manager import AstroidManager +from astroid.node_classes import NodeNG + +objects = util.lazy_import("objects") + +# The name of the transient function that is used to +# wrap expressions to be extracted when calling +# extract_node. +_TRANSIENT_FUNCTION = "__" + +# The comment used to select a statement to be extracted +# when calling extract_node. +_STATEMENT_SELECTOR = "#@" +MISPLACED_TYPE_ANNOTATION_ERROR = "misplaced type annotation" + + +def open_source_file(filename): + # pylint: disable=consider-using-with + with open(filename, "rb") as byte_stream: + encoding = detect_encoding(byte_stream.readline)[0] + stream = open(filename, newline=None, encoding=encoding) + data = stream.read() + return stream, encoding, data + + +def _can_assign_attr(node, attrname): + try: + slots = node.slots() + except NotImplementedError: + pass + else: + if slots and attrname not in {slot.value for slot in slots}: + return False + return node.qname() != "builtins.object" + + +class AstroidBuilder(raw_building.InspectBuilder): + """Class for building an astroid tree from source code or from a live module. + + The param *manager* specifies the manager class which should be used. + If no manager is given, then the default one will be used. The + param *apply_transforms* determines if the transforms should be + applied after the tree was built from source or from a live object, + by default being True. + """ + + # pylint: disable=redefined-outer-name + def __init__(self, manager=None, apply_transforms=True): + super().__init__(manager) + self._apply_transforms = apply_transforms + + def module_build(self, module, modname=None): + """Build an astroid from a living module instance.""" + node = None + path = getattr(module, "__file__", None) + if path is not None: + path_, ext = os.path.splitext(modutils._path_from_filename(path)) + if ext in (".py", ".pyc", ".pyo") and os.path.exists(path_ + ".py"): + node = self.file_build(path_ + ".py", modname) + if node is None: + # this is a built-in module + # get a partial representation by introspection + node = self.inspect_build(module, modname=modname, path=path) + if self._apply_transforms: + # We have to handle transformation by ourselves since the + # rebuilder isn't called for builtin nodes + node = self._manager.visit_transforms(node) + return node + + def file_build(self, path, modname=None): + """Build astroid from a source code file (i.e. from an ast) + + *path* is expected to be a python source file + """ + try: + stream, encoding, data = open_source_file(path) + except OSError as exc: + raise AstroidBuildingError( + "Unable to load file {path}:\n{error}", + modname=modname, + path=path, + error=exc, + ) from exc + except (SyntaxError, LookupError) as exc: + raise AstroidSyntaxError( + "Python 3 encoding specification error or unknown encoding:\n" + "{error}", + modname=modname, + path=path, + error=exc, + ) from exc + except UnicodeError as exc: # wrong encoding + # detect_encoding returns utf-8 if no encoding specified + raise AstroidBuildingError( + "Wrong or no encoding specified for {filename}.", filename=path + ) from exc + with stream: + # get module name if necessary + if modname is None: + try: + modname = ".".join(modutils.modpath_from_file(path)) + except ImportError: + modname = os.path.splitext(os.path.basename(path))[0] + # build astroid representation + module = self._data_build(data, modname, path) + return self._post_build(module, encoding) + + def string_build(self, data, modname="", path=None): + """Build astroid from source code string.""" + module = self._data_build(data, modname, path) + module.file_bytes = data.encode("utf-8") + return self._post_build(module, "utf-8") + + def _post_build(self, module, encoding): + """Handles encoding and delayed nodes after a module has been built""" + module.file_encoding = encoding + self._manager.cache_module(module) + # post tree building steps after we stored the module in the cache: + for from_node in module._import_from_nodes: + if from_node.modname == "__future__": + for symbol, _ in from_node.names: + module.future_imports.add(symbol) + self.add_from_names_to_locals(from_node) + # handle delayed assattr nodes + for delayed in module._delayed_assattr: + self.delayed_assattr(delayed) + + # Visit the transforms + if self._apply_transforms: + module = self._manager.visit_transforms(module) + return module + + def _data_build(self, data, modname, path): + """Build tree node from data and add some informations""" + try: + node, parser_module = _parse_string(data, type_comments=True) + except (TypeError, ValueError, SyntaxError) as exc: + raise AstroidSyntaxError( + "Parsing Python code failed:\n{error}", + source=data, + modname=modname, + path=path, + error=exc, + ) from exc + + if path is not None: + node_file = os.path.abspath(path) + else: + node_file = "" + if modname.endswith(".__init__"): + modname = modname[:-9] + package = True + else: + package = ( + path is not None + and os.path.splitext(os.path.basename(path))[0] == "__init__" + ) + builder = rebuilder.TreeRebuilder(self._manager, parser_module) + module = builder.visit_module(node, modname, node_file, package) + module._import_from_nodes = builder._import_from_nodes + module._delayed_assattr = builder._delayed_assattr + return module + + def add_from_names_to_locals(self, node): + """Store imported names to the locals + + Resort the locals if coming from a delayed node + """ + + def _key_func(node): + return node.fromlineno + + def sort_locals(my_list): + my_list.sort(key=_key_func) + + for (name, asname) in node.names: + if name == "*": + try: + imported = node.do_import_module() + except AstroidBuildingError: + continue + for name in imported.public_names(): + node.parent.set_local(name, node) + sort_locals(node.parent.scope().locals[name]) + else: + node.parent.set_local(asname or name, node) + sort_locals(node.parent.scope().locals[asname or name]) + + def delayed_assattr(self, node): + """Visit a AssAttr node + + This adds name to locals and handle members definition. + """ + try: + frame = node.frame() + for inferred in node.expr.infer(): + if inferred is util.Uninferable: + continue + try: + cls = inferred.__class__ + if cls is bases.Instance or cls is objects.ExceptionInstance: + inferred = inferred._proxied + iattrs = inferred.instance_attrs + if not _can_assign_attr(inferred, node.attrname): + continue + elif isinstance(inferred, bases.Instance): + # Const, Tuple or other containers that inherit from + # `Instance` + continue + elif inferred.is_function: + iattrs = inferred.instance_attrs + else: + iattrs = inferred.locals + except AttributeError: + # XXX log error + continue + values = iattrs.setdefault(node.attrname, []) + if node in values: + continue + # get assign in __init__ first XXX useful ? + if ( + frame.name == "__init__" + and values + and values[0].frame().name != "__init__" + ): + values.insert(0, node) + else: + values.append(node) + except InferenceError: + pass + + +def build_namespace_package_module(name, path): + return nodes.Module(name, doc="", path=path, package=True) + + +def parse(code, module_name="", path=None, apply_transforms=True): + """Parses a source string in order to obtain an astroid AST from it + + :param str code: The code for the module. + :param str module_name: The name for the module, if any + :param str path: The path for the module + :param bool apply_transforms: + Apply the transforms for the give code. Use it if you + don't want the default transforms to be applied. + """ + code = textwrap.dedent(code) + builder = AstroidBuilder( + manager=AstroidManager(), apply_transforms=apply_transforms + ) + return builder.string_build(code, modname=module_name, path=path) + + +def _extract_expressions(node): + """Find expressions in a call to _TRANSIENT_FUNCTION and extract them. + + The function walks the AST recursively to search for expressions that + are wrapped into a call to _TRANSIENT_FUNCTION. If it finds such an + expression, it completely removes the function call node from the tree, + replacing it by the wrapped expression inside the parent. + + :param node: An astroid node. + :type node: astroid.bases.NodeNG + :yields: The sequence of wrapped expressions on the modified tree + expression can be found. + """ + if ( + isinstance(node, nodes.Call) + and isinstance(node.func, nodes.Name) + and node.func.name == _TRANSIENT_FUNCTION + ): + real_expr = node.args[0] + real_expr.parent = node.parent + # Search for node in all _astng_fields (the fields checked when + # get_children is called) of its parent. Some of those fields may + # be lists or tuples, in which case the elements need to be checked. + # When we find it, replace it by real_expr, so that the AST looks + # like no call to _TRANSIENT_FUNCTION ever took place. + for name in node.parent._astroid_fields: + child = getattr(node.parent, name) + if isinstance(child, (list, tuple)): + for idx, compound_child in enumerate(child): + if compound_child is node: + child[idx] = real_expr + elif child is node: + setattr(node.parent, name, real_expr) + yield real_expr + else: + for child in node.get_children(): + yield from _extract_expressions(child) + + +def _find_statement_by_line(node, line): + """Extracts the statement on a specific line from an AST. + + If the line number of node matches line, it will be returned; + otherwise its children are iterated and the function is called + recursively. + + :param node: An astroid node. + :type node: astroid.bases.NodeNG + :param line: The line number of the statement to extract. + :type line: int + :returns: The statement on the line, or None if no statement for the line + can be found. + :rtype: astroid.bases.NodeNG or None + """ + if isinstance(node, (nodes.ClassDef, nodes.FunctionDef, nodes.MatchCase)): + # This is an inaccuracy in the AST: the nodes that can be + # decorated do not carry explicit information on which line + # the actual definition (class/def), but .fromline seems to + # be close enough. + node_line = node.fromlineno + else: + node_line = node.lineno + + if node_line == line: + return node + + for child in node.get_children(): + result = _find_statement_by_line(child, line) + if result: + return result + + return None + + +def extract_node(code: str, module_name: str = "") -> Union[NodeNG, List[NodeNG]]: + """Parses some Python code as a module and extracts a designated AST node. + + Statements: + To extract one or more statement nodes, append #@ to the end of the line + + Examples: + >>> def x(): + >>> def y(): + >>> return 1 #@ + + The return statement will be extracted. + + >>> class X(object): + >>> def meth(self): #@ + >>> pass + + The function object 'meth' will be extracted. + + Expressions: + To extract arbitrary expressions, surround them with the fake + function call __(...). After parsing, the surrounded expression + will be returned and the whole AST (accessible via the returned + node's parent attribute) will look like the function call was + never there in the first place. + + Examples: + >>> a = __(1) + + The const node will be extracted. + + >>> def x(d=__(foo.bar)): pass + + The node containing the default argument will be extracted. + + >>> def foo(a, b): + >>> return 0 < __(len(a)) < b + + The node containing the function call 'len' will be extracted. + + If no statements or expressions are selected, the last toplevel + statement will be returned. + + If the selected statement is a discard statement, (i.e. an expression + turned into a statement), the wrapped expression is returned instead. + + For convenience, singleton lists are unpacked. + + :param str code: A piece of Python code that is parsed as + a module. Will be passed through textwrap.dedent first. + :param str module_name: The name of the module. + :returns: The designated node from the parse tree, or a list of nodes. + """ + + def _extract(node): + if isinstance(node, nodes.Expr): + return node.value + + return node + + requested_lines = [] + for idx, line in enumerate(code.splitlines()): + if line.strip().endswith(_STATEMENT_SELECTOR): + requested_lines.append(idx + 1) + + tree = parse(code, module_name=module_name) + if not tree.body: + raise ValueError("Empty tree, cannot extract from it") + + extracted = [] + if requested_lines: + extracted = [_find_statement_by_line(tree, line) for line in requested_lines] + + # Modifies the tree. + extracted.extend(_extract_expressions(tree)) + + if not extracted: + extracted.append(tree.body[-1]) + + extracted = [_extract(node) for node in extracted] + if len(extracted) == 1: + return extracted[0] + return extracted + + +def _parse_string(data, type_comments=True): + parser_module = get_parser_module(type_comments=type_comments) + try: + parsed = parser_module.parse(data + "\n", type_comments=type_comments) + except SyntaxError as exc: + # If the type annotations are misplaced for some reason, we do not want + # to fail the entire parsing of the file, so we need to retry the parsing without + # type comment support. + if exc.args[0] != MISPLACED_TYPE_ANNOTATION_ERROR or not type_comments: + raise + + parser_module = get_parser_module(type_comments=False) + parsed = parser_module.parse(data + "\n", type_comments=False) + return parsed, parser_module diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/const.py b/backend/mb-env/lib/python3.9/site-packages/astroid/const.py new file mode 100644 index 0000000..f3c4ee7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/const.py @@ -0,0 +1,22 @@ +import builtins +import enum +import sys + +PY37_PLUS = sys.version_info >= (3, 7) +PY38_PLUS = sys.version_info >= (3, 8) +PY39_PLUS = sys.version_info >= (3, 9) +PY310_PLUS = sys.version_info >= (3, 10) + + +class Context(enum.Enum): + Load = 1 + Store = 2 + Del = 3 + + +# TODO Remove in 3.0 in favor of Context +Load = Context.Load +Store = Context.Store +Del = Context.Del + +BUILTINS = builtins.__name__ # Could be just 'builtins' ? diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/context.py b/backend/mb-env/lib/python3.9/site-packages/astroid/context.py new file mode 100644 index 0000000..ac48f1b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/context.py @@ -0,0 +1,209 @@ +# Copyright (c) 2015-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2019-2021 hippo91 +# Copyright (c) 2020 Bryce Guinta +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Various context related utilities, including inference and call contexts.""" +import contextlib +import pprint +from typing import TYPE_CHECKING, MutableMapping, Optional, Sequence, Tuple + +if TYPE_CHECKING: + from astroid.node_classes import NodeNG + + +_INFERENCE_CACHE = {} + + +def _invalidate_cache(): + _INFERENCE_CACHE.clear() + + +class InferenceContext: + """Provide context for inference + + Store already inferred nodes to save time + Account for already visited nodes to stop infinite recursion + """ + + __slots__ = ( + "path", + "lookupname", + "callcontext", + "boundnode", + "extra_context", + "_nodes_inferred", + ) + + max_inferred = 100 + + def __init__(self, path=None, nodes_inferred=None): + if nodes_inferred is None: + self._nodes_inferred = [0] + else: + self._nodes_inferred = nodes_inferred + self.path = path or set() + """ + :type: set(tuple(NodeNG, optional(str))) + + Path of visited nodes and their lookupname + + Currently this key is ``(node, context.lookupname)`` + """ + self.lookupname = None + """ + :type: optional[str] + + The original name of the node + + e.g. + foo = 1 + The inference of 'foo' is nodes.Const(1) but the lookup name is 'foo' + """ + self.callcontext = None + """ + :type: optional[CallContext] + + The call arguments and keywords for the given context + """ + self.boundnode = None + """ + :type: optional[NodeNG] + + The bound node of the given context + + e.g. the bound node of object.__new__(cls) is the object node + """ + self.extra_context = {} + """ + :type: dict(NodeNG, Context) + + Context that needs to be passed down through call stacks + for call arguments + """ + + @property + def nodes_inferred(self): + """ + Number of nodes inferred in this context and all its clones/decendents + + Wrap inner value in a mutable cell to allow for mutating a class + variable in the presence of __slots__ + """ + return self._nodes_inferred[0] + + @nodes_inferred.setter + def nodes_inferred(self, value): + self._nodes_inferred[0] = value + + @property + def inferred( + self, + ) -> MutableMapping[ + Tuple["NodeNG", Optional[str], Optional[str], Optional[str]], Sequence["NodeNG"] + ]: + """ + Inferred node contexts to their mapped results + + Currently the key is ``(node, lookupname, callcontext, boundnode)`` + and the value is tuple of the inferred results + """ + return _INFERENCE_CACHE + + def push(self, node): + """Push node into inference path + + :return: True if node is already in context path else False + :rtype: bool + + Allows one to see if the given node has already + been looked at for this inference context""" + name = self.lookupname + if (node, name) in self.path: + return True + + self.path.add((node, name)) + return False + + def clone(self): + """Clone inference path + + For example, each side of a binary operation (BinOp) + starts with the same context but diverge as each side is inferred + so the InferenceContext will need be cloned""" + # XXX copy lookupname/callcontext ? + clone = InferenceContext(self.path.copy(), nodes_inferred=self._nodes_inferred) + clone.callcontext = self.callcontext + clone.boundnode = self.boundnode + clone.extra_context = self.extra_context + return clone + + @contextlib.contextmanager + def restore_path(self): + path = set(self.path) + yield + self.path = path + + def __str__(self): + state = ( + "%s=%s" + % (field, pprint.pformat(getattr(self, field), width=80 - len(field))) + for field in self.__slots__ + ) + return "{}({})".format(type(self).__name__, ",\n ".join(state)) + + +class CallContext: + """Holds information for a call site.""" + + __slots__ = ("args", "keywords") + + def __init__(self, args, keywords=None): + """ + :param List[NodeNG] args: Call positional arguments + :param Union[List[nodes.Keyword], None] keywords: Call keywords + """ + self.args = args + if keywords: + keywords = [(arg.arg, arg.value) for arg in keywords] + else: + keywords = [] + self.keywords = keywords + + +def copy_context(context: Optional[InferenceContext]) -> InferenceContext: + """Clone a context if given, or return a fresh contexxt""" + if context is not None: + return context.clone() + + return InferenceContext() + + +def bind_context_to_node(context, node): + """Give a context a boundnode + to retrieve the correct function name or attribute value + with from further inference. + + Do not use an existing context since the boundnode could then + be incorrectly propagated higher up in the call stack. + + :param context: Context to use + :type context: Optional(context) + + :param node: Node to do name lookups from + :type node NodeNG: + + :returns: A new context + :rtype: InferenceContext + """ + context = copy_context(context) + context.boundnode = node + return context diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/decorators.py b/backend/mb-env/lib/python3.9/site-packages/astroid/decorators.py new file mode 100644 index 0000000..6d840c1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/decorators.py @@ -0,0 +1,146 @@ +# Copyright (c) 2015-2016, 2018, 2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Tomas Gavenciak +# Copyright (c) 2018 Ashley Whetter +# Copyright (c) 2018 HoverHell +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +""" A few useful function/method decorators.""" + +import functools + +import wrapt + +from astroid import context as contextmod +from astroid import util +from astroid.exceptions import InferenceError + + +@wrapt.decorator +def cached(func, instance, args, kwargs): + """Simple decorator to cache result of method calls without args.""" + cache = getattr(instance, "__cache", None) + if cache is None: + instance.__cache = cache = {} + try: + return cache[func] + except KeyError: + cache[func] = result = func(*args, **kwargs) + return result + + +class cachedproperty: + """Provides a cached property equivalent to the stacking of + @cached and @property, but more efficient. + + After first usage, the becomes part of the object's + __dict__. Doing: + + del obj. empties the cache. + + Idea taken from the pyramid_ framework and the mercurial_ project. + + .. _pyramid: http://pypi.python.org/pypi/pyramid + .. _mercurial: http://pypi.python.org/pypi/Mercurial + """ + + __slots__ = ("wrapped",) + + def __init__(self, wrapped): + try: + wrapped.__name__ + except AttributeError as exc: + raise TypeError("%s must have a __name__ attribute" % wrapped) from exc + self.wrapped = wrapped + + @property + def __doc__(self): + doc = getattr(self.wrapped, "__doc__", None) + return "%s" % ( + "\n%s" % doc if doc else "" + ) + + def __get__(self, inst, objtype=None): + if inst is None: + return self + val = self.wrapped(inst) + setattr(inst, self.wrapped.__name__, val) + return val + + +def path_wrapper(func): + """return the given infer function wrapped to handle the path + + Used to stop inference if the node has already been looked + at for a given `InferenceContext` to prevent infinite recursion + """ + + @functools.wraps(func) + def wrapped(node, context=None, _func=func, **kwargs): + """wrapper function handling context""" + if context is None: + context = contextmod.InferenceContext() + if context.push(node): + return None + + yielded = set() + generator = _func(node, context, **kwargs) + while True: + try: + res = next(generator) + except StopIteration as error: + if error.args: + return error.args[0] + return None + + # unproxy only true instance, not const, tuple, dict... + if res.__class__.__name__ == "Instance": + ares = res._proxied + else: + ares = res + if ares not in yielded: + yield res + yielded.add(ares) + + return wrapped + + +@wrapt.decorator +def yes_if_nothing_inferred(func, instance, args, kwargs): + generator = func(*args, **kwargs) + + try: + yield next(generator) + except StopIteration: + # generator is empty + yield util.Uninferable + return + + yield from generator + + +@wrapt.decorator +def raise_if_nothing_inferred(func, instance, args, kwargs): + generator = func(*args, **kwargs) + try: + yield next(generator) + except StopIteration as error: + # generator is empty + if error.args: + # pylint: disable=not-a-mapping + raise InferenceError(**error.args[0]) from error + raise InferenceError( + "StopIteration raised without any error information." + ) from error + + yield from generator diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/astroid/exceptions.py new file mode 100644 index 0000000..60220f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/exceptions.py @@ -0,0 +1,267 @@ +# Copyright (c) 2007, 2009-2010, 2013 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2015-2018, 2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""this module contains exceptions used in the astroid library +""" +from astroid import util + +__all__ = ( + "AstroidBuildingError", + "AstroidBuildingException", + "AstroidError", + "AstroidImportError", + "AstroidIndexError", + "AstroidSyntaxError", + "AstroidTypeError", + "AstroidValueError", + "AttributeInferenceError", + "BinaryOperationError", + "DuplicateBasesError", + "InconsistentMroError", + "InferenceError", + "InferenceOverwriteError", + "MroError", + "NameInferenceError", + "NoDefault", + "NotFoundError", + "OperationError", + "ResolveError", + "SuperArgumentTypeError", + "SuperError", + "TooManyLevelsError", + "UnaryOperationError", + "UnresolvableName", + "UseInferenceDefault", +) + + +class AstroidError(Exception): + """base exception class for all astroid related exceptions + + AstroidError and its subclasses are structured, intended to hold + objects representing state when the exception is thrown. Field + values are passed to the constructor as keyword-only arguments. + Each subclass has its own set of standard fields, but use your + best judgment to decide whether a specific exception instance + needs more or fewer fields for debugging. Field values may be + used to lazily generate the error message: self.message.format() + will be called with the field names and values supplied as keyword + arguments. + """ + + def __init__(self, message="", **kws): + super().__init__(message) + self.message = message + for key, value in kws.items(): + setattr(self, key, value) + + def __str__(self): + return self.message.format(**vars(self)) + + +class AstroidBuildingError(AstroidError): + """exception class when we are unable to build an astroid representation + + Standard attributes: + modname: Name of the module that AST construction failed for. + error: Exception raised during construction. + """ + + def __init__(self, message="Failed to import module {modname}.", **kws): + super().__init__(message, **kws) + + +class AstroidImportError(AstroidBuildingError): + """Exception class used when a module can't be imported by astroid.""" + + +class TooManyLevelsError(AstroidImportError): + """Exception class which is raised when a relative import was beyond the top-level. + + Standard attributes: + level: The level which was attempted. + name: the name of the module on which the relative import was attempted. + """ + + level = None + name = None + + def __init__( + self, + message="Relative import with too many levels " "({level}) for module {name!r}", + **kws + ): + super().__init__(message, **kws) + + +class AstroidSyntaxError(AstroidBuildingError): + """Exception class used when a module can't be parsed.""" + + +class NoDefault(AstroidError): + """raised by function's `default_value` method when an argument has + no default value + + Standard attributes: + func: Function node. + name: Name of argument without a default. + """ + + func = None + name = None + + def __init__(self, message="{func!r} has no default for {name!r}.", **kws): + super().__init__(message, **kws) + + +class ResolveError(AstroidError): + """Base class of astroid resolution/inference error. + + ResolveError is not intended to be raised. + + Standard attributes: + context: InferenceContext object. + """ + + context = None + + +class MroError(ResolveError): + """Error raised when there is a problem with method resolution of a class. + + Standard attributes: + mros: A sequence of sequences containing ClassDef nodes. + cls: ClassDef node whose MRO resolution failed. + context: InferenceContext object. + """ + + mros = () + cls = None + + def __str__(self): + mro_names = ", ".join( + "({})".format(", ".join(b.name for b in m)) for m in self.mros + ) + return self.message.format(mros=mro_names, cls=self.cls) + + +class DuplicateBasesError(MroError): + """Error raised when there are duplicate bases in the same class bases.""" + + +class InconsistentMroError(MroError): + """Error raised when a class's MRO is inconsistent.""" + + +class SuperError(ResolveError): + """Error raised when there is a problem with a *super* call. + + Standard attributes: + *super_*: The Super instance that raised the exception. + context: InferenceContext object. + """ + + super_ = None + + def __str__(self): + return self.message.format(**vars(self.super_)) + + +class InferenceError(ResolveError): + """raised when we are unable to infer a node + + Standard attributes: + node: The node inference was called on. + context: InferenceContext object. + """ + + node = None + context = None + + def __init__(self, message="Inference failed for {node!r}.", **kws): + super().__init__(message, **kws) + + +# Why does this inherit from InferenceError rather than ResolveError? +# Changing it causes some inference tests to fail. +class NameInferenceError(InferenceError): + """Raised when a name lookup fails, corresponds to NameError. + + Standard attributes: + name: The name for which lookup failed, as a string. + scope: The node representing the scope in which the lookup occurred. + context: InferenceContext object. + """ + + name = None + scope = None + + def __init__(self, message="{name!r} not found in {scope!r}.", **kws): + super().__init__(message, **kws) + + +class AttributeInferenceError(ResolveError): + """Raised when an attribute lookup fails, corresponds to AttributeError. + + Standard attributes: + target: The node for which lookup failed. + attribute: The attribute for which lookup failed, as a string. + context: InferenceContext object. + """ + + target = None + attribute = None + + def __init__(self, message="{attribute!r} not found on {target!r}.", **kws): + super().__init__(message, **kws) + + +class UseInferenceDefault(Exception): + """exception to be raised in custom inference function to indicate that it + should go back to the default behaviour + """ + + +class _NonDeducibleTypeHierarchy(Exception): + """Raised when is_subtype / is_supertype can't deduce the relation between two types.""" + + +class AstroidIndexError(AstroidError): + """Raised when an Indexable / Mapping does not have an index / key.""" + + +class AstroidTypeError(AstroidError): + """Raised when a TypeError would be expected in Python code.""" + + +class AstroidValueError(AstroidError): + """Raised when a ValueError would be expected in Python code.""" + + +class InferenceOverwriteError(AstroidError): + """Raised when an inference tip is overwritten + + Currently only used for debugging. + """ + + +# Backwards-compatibility aliases +OperationError = util.BadOperationMessage +UnaryOperationError = util.BadUnaryOperationMessage +BinaryOperationError = util.BadBinaryOperationMessage + +SuperArgumentTypeError = SuperError +UnresolvableName = NameInferenceError +NotFoundError = AttributeInferenceError +AstroidBuildingException = AstroidBuildingError diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/helpers.py b/backend/mb-env/lib/python3.9/site-packages/astroid/helpers.py new file mode 100644 index 0000000..2079319 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/helpers.py @@ -0,0 +1,314 @@ +# Copyright (c) 2015-2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Simon Hewitt +# Copyright (c) 2020 Bryce Guinta +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +""" +Various helper utilities. +""" + + +from astroid import bases +from astroid import context as contextmod +from astroid import manager, nodes, raw_building, scoped_nodes, util +from astroid.const import BUILTINS +from astroid.exceptions import ( + AstroidTypeError, + AttributeInferenceError, + InferenceError, + MroError, + _NonDeducibleTypeHierarchy, +) + + +def _build_proxy_class(cls_name, builtins): + proxy = raw_building.build_class(cls_name) + proxy.parent = builtins + return proxy + + +def _function_type(function, builtins): + if isinstance(function, scoped_nodes.Lambda): + if function.root().name == BUILTINS: + cls_name = "builtin_function_or_method" + else: + cls_name = "function" + elif isinstance(function, bases.BoundMethod): + cls_name = "method" + elif isinstance(function, bases.UnboundMethod): + cls_name = "function" + return _build_proxy_class(cls_name, builtins) + + +def _object_type(node, context=None): + astroid_manager = manager.AstroidManager() + builtins = astroid_manager.builtins_module + context = context or contextmod.InferenceContext() + + for inferred in node.infer(context=context): + if isinstance(inferred, scoped_nodes.ClassDef): + if inferred.newstyle: + metaclass = inferred.metaclass(context=context) + if metaclass: + yield metaclass + continue + yield builtins.getattr("type")[0] + elif isinstance(inferred, (scoped_nodes.Lambda, bases.UnboundMethod)): + yield _function_type(inferred, builtins) + elif isinstance(inferred, scoped_nodes.Module): + yield _build_proxy_class("module", builtins) + else: + yield inferred._proxied + + +def object_type(node, context=None): + """Obtain the type of the given node + + This is used to implement the ``type`` builtin, which means that it's + used for inferring type calls, as well as used in a couple of other places + in the inference. + The node will be inferred first, so this function can support all + sorts of objects, as long as they support inference. + """ + + try: + types = set(_object_type(node, context)) + except InferenceError: + return util.Uninferable + if len(types) > 1 or not types: + return util.Uninferable + return list(types)[0] + + +def _object_type_is_subclass(obj_type, class_or_seq, context=None): + if not isinstance(class_or_seq, (tuple, list)): + class_seq = (class_or_seq,) + else: + class_seq = class_or_seq + + if obj_type is util.Uninferable: + return util.Uninferable + + # Instances are not types + class_seq = [ + item if not isinstance(item, bases.Instance) else util.Uninferable + for item in class_seq + ] + # strict compatibility with issubclass + # issubclass(type, (object, 1)) evaluates to true + # issubclass(object, (1, type)) raises TypeError + for klass in class_seq: + if klass is util.Uninferable: + raise AstroidTypeError("arg 2 must be a type or tuple of types") + + for obj_subclass in obj_type.mro(): + if obj_subclass == klass: + return True + return False + + +def object_isinstance(node, class_or_seq, context=None): + """Check if a node 'isinstance' any node in class_or_seq + + :param node: A given node + :param class_or_seq: Union[nodes.NodeNG, Sequence[nodes.NodeNG]] + :rtype: bool + + :raises AstroidTypeError: if the given ``classes_or_seq`` are not types + """ + obj_type = object_type(node, context) + if obj_type is util.Uninferable: + return util.Uninferable + return _object_type_is_subclass(obj_type, class_or_seq, context=context) + + +def object_issubclass(node, class_or_seq, context=None): + """Check if a type is a subclass of any node in class_or_seq + + :param node: A given node + :param class_or_seq: Union[Nodes.NodeNG, Sequence[nodes.NodeNG]] + :rtype: bool + + :raises AstroidTypeError: if the given ``classes_or_seq`` are not types + :raises AstroidError: if the type of the given node cannot be inferred + or its type's mro doesn't work + """ + if not isinstance(node, nodes.ClassDef): + raise TypeError(f"{node} needs to be a ClassDef node") + return _object_type_is_subclass(node, class_or_seq, context=context) + + +def safe_infer(node, context=None): + """Return the inferred value for the given node. + + Return None if inference failed or if there is some ambiguity (more than + one node has been inferred). + """ + try: + inferit = node.infer(context=context) + value = next(inferit) + except (InferenceError, StopIteration): + return None + try: + next(inferit) + return None # None if there is ambiguity on the inferred node + except InferenceError: + return None # there is some kind of ambiguity + except StopIteration: + return value + + +def has_known_bases(klass, context=None): + """Return true if all base classes of a class could be inferred.""" + try: + return klass._all_bases_known + except AttributeError: + pass + for base in klass.bases: + result = safe_infer(base, context=context) + # TODO: check for A->B->A->B pattern in class structure too? + if ( + not isinstance(result, scoped_nodes.ClassDef) + or result is klass + or not has_known_bases(result, context=context) + ): + klass._all_bases_known = False + return False + klass._all_bases_known = True + return True + + +def _type_check(type1, type2): + if not all(map(has_known_bases, (type1, type2))): + raise _NonDeducibleTypeHierarchy + + if not all([type1.newstyle, type2.newstyle]): + return False + try: + return type1 in type2.mro()[:-1] + except MroError as e: + # The MRO is invalid. + raise _NonDeducibleTypeHierarchy from e + + +def is_subtype(type1, type2): + """Check if *type1* is a subtype of *type2*.""" + return _type_check(type1=type2, type2=type1) + + +def is_supertype(type1, type2): + """Check if *type2* is a supertype of *type1*.""" + return _type_check(type1, type2) + + +def class_instance_as_index(node): + """Get the value as an index for the given instance. + + If an instance provides an __index__ method, then it can + be used in some scenarios where an integer is expected, + for instance when multiplying or subscripting a list. + """ + context = contextmod.InferenceContext() + context.callcontext = contextmod.CallContext(args=[node]) + + try: + for inferred in node.igetattr("__index__", context=context): + if not isinstance(inferred, bases.BoundMethod): + continue + + for result in inferred.infer_call_result(node, context=context): + if isinstance(result, nodes.Const) and isinstance(result.value, int): + return result + except InferenceError: + pass + return None + + +def object_len(node, context=None): + """Infer length of given node object + + :param Union[nodes.ClassDef, nodes.Instance] node: + :param node: Node to infer length of + + :raises AstroidTypeError: If an invalid node is returned + from __len__ method or no __len__ method exists + :raises InferenceError: If the given node cannot be inferred + or if multiple nodes are inferred or if the code executed in python + would result in a infinite recursive check for length + :rtype int: Integer length of node + """ + # pylint: disable=import-outside-toplevel; circular import + from astroid.objects import FrozenSet + + inferred_node = safe_infer(node, context=context) + + # prevent self referential length calls from causing a recursion error + # see https://github.com/PyCQA/astroid/issues/777 + node_frame = node.frame() + if ( + isinstance(node_frame, scoped_nodes.FunctionDef) + and node_frame.name == "__len__" + and inferred_node is not None + and inferred_node._proxied == node_frame.parent + ): + message = ( + "Self referential __len__ function will " + "cause a RecursionError on line {} of {}".format( + node.lineno, node.root().file + ) + ) + raise InferenceError(message) + + if inferred_node is None or inferred_node is util.Uninferable: + raise InferenceError(node=node) + if isinstance(inferred_node, nodes.Const) and isinstance( + inferred_node.value, (bytes, str) + ): + return len(inferred_node.value) + if isinstance(inferred_node, (nodes.List, nodes.Set, nodes.Tuple, FrozenSet)): + return len(inferred_node.elts) + if isinstance(inferred_node, nodes.Dict): + return len(inferred_node.items) + + node_type = object_type(inferred_node, context=context) + if not node_type: + raise InferenceError(node=node) + + try: + len_call = next(node_type.igetattr("__len__", context=context)) + except StopIteration as e: + raise AstroidTypeError(str(e)) from e + except AttributeInferenceError as e: + raise AstroidTypeError( + f"object of type '{node_type.pytype()}' has no len()" + ) from e + + inferred = len_call.infer_call_result(node, context) + if inferred is util.Uninferable: + raise InferenceError(node=node, context=context) + result_of_len = next(inferred, None) + if ( + isinstance(result_of_len, nodes.Const) + and result_of_len.pytype() == "builtins.int" + ): + return result_of_len.value + if ( + result_of_len is None + or isinstance(result_of_len, bases.Instance) + and result_of_len.is_subtype_of("builtins.int") + ): + # Fake a result as we don't know the arguments of the instance call. + return 0 + raise AstroidTypeError( + f"'{result_of_len}' object cannot be interpreted as an integer" + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/inference.py b/backend/mb-env/lib/python3.9/site-packages/astroid/inference.py new file mode 100644 index 0000000..994e2aa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/inference.py @@ -0,0 +1,987 @@ +# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2012 FELD Boris +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Dmitry Pribysh +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2017 Michał Masłowski +# Copyright (c) 2017 Calen Pennington +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2018-2019 Nick Drozd +# Copyright (c) 2018 Daniel Martin +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Ashley Whetter +# Copyright (c) 2018 HoverHell +# Copyright (c) 2020 Leandro T. C. Melo +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""this module contains a set of functions to handle inference on astroid trees +""" + +import functools +import itertools +import operator + +import wrapt + +from astroid import bases +from astroid import context as contextmod +from astroid import decorators, helpers, nodes, protocols, util +from astroid.exceptions import ( + AstroidBuildingError, + AstroidError, + AstroidIndexError, + AstroidTypeError, + AttributeInferenceError, + InferenceError, + NameInferenceError, + _NonDeducibleTypeHierarchy, +) +from astroid.interpreter import dunder_lookup +from astroid.manager import AstroidManager + +# Prevents circular imports +objects = util.lazy_import("objects") + + +# .infer method ############################################################### + + +def infer_end(self, context=None): + """Inference's end for nodes that yield themselves on inference + + These are objects for which inference does not have any semantic, + such as Module or Consts. + """ + yield self + + +nodes.Module._infer = infer_end +nodes.ClassDef._infer = infer_end +nodes.Lambda._infer = infer_end +nodes.Const._infer = infer_end +nodes.Slice._infer = infer_end + + +def _infer_sequence_helper(node, context=None): + """Infer all values based on _BaseContainer.elts""" + values = [] + + for elt in node.elts: + if isinstance(elt, nodes.Starred): + starred = helpers.safe_infer(elt.value, context) + if not starred: + raise InferenceError(node=node, context=context) + if not hasattr(starred, "elts"): + raise InferenceError(node=node, context=context) + values.extend(_infer_sequence_helper(starred)) + elif isinstance(elt, nodes.NamedExpr): + value = helpers.safe_infer(elt.value, context) + if not value: + raise InferenceError(node=node, context=context) + values.append(value) + else: + values.append(elt) + return values + + +@decorators.raise_if_nothing_inferred +def infer_sequence(self, context=None): + has_starred_named_expr = any( + isinstance(e, (nodes.Starred, nodes.NamedExpr)) for e in self.elts + ) + if has_starred_named_expr: + values = _infer_sequence_helper(self, context) + new_seq = type(self)( + lineno=self.lineno, col_offset=self.col_offset, parent=self.parent + ) + new_seq.postinit(values) + + yield new_seq + else: + yield self + + +nodes.List._infer = infer_sequence +nodes.Tuple._infer = infer_sequence +nodes.Set._infer = infer_sequence + + +def infer_map(self, context=None): + if not any(isinstance(k, nodes.DictUnpack) for k, _ in self.items): + yield self + else: + items = _infer_map(self, context) + new_seq = type(self)(self.lineno, self.col_offset, self.parent) + new_seq.postinit(list(items.items())) + yield new_seq + + +def _update_with_replacement(lhs_dict, rhs_dict): + """Delete nodes that equate to duplicate keys + + Since an astroid node doesn't 'equal' another node with the same value, + this function uses the as_string method to make sure duplicate keys + don't get through + + Note that both the key and the value are astroid nodes + + Fixes issue with DictUnpack causing duplicte keys + in inferred Dict items + + :param dict(nodes.NodeNG, nodes.NodeNG) lhs_dict: Dictionary to 'merge' nodes into + :param dict(nodes.NodeNG, nodes.NodeNG) rhs_dict: Dictionary with nodes to pull from + :return dict(nodes.NodeNG, nodes.NodeNG): merged dictionary of nodes + """ + combined_dict = itertools.chain(lhs_dict.items(), rhs_dict.items()) + # Overwrite keys which have the same string values + string_map = {key.as_string(): (key, value) for key, value in combined_dict} + # Return to dictionary + return dict(string_map.values()) + + +def _infer_map(node, context): + """Infer all values based on Dict.items""" + values = {} + for name, value in node.items: + if isinstance(name, nodes.DictUnpack): + double_starred = helpers.safe_infer(value, context) + if not double_starred: + raise InferenceError + if not isinstance(double_starred, nodes.Dict): + raise InferenceError(node=node, context=context) + unpack_items = _infer_map(double_starred, context) + values = _update_with_replacement(values, unpack_items) + else: + key = helpers.safe_infer(name, context=context) + value = helpers.safe_infer(value, context=context) + if any(not elem for elem in (key, value)): + raise InferenceError(node=node, context=context) + values = _update_with_replacement(values, {key: value}) + return values + + +nodes.Dict._infer = infer_map + + +def _higher_function_scope(node): + """Search for the first function which encloses the given + scope. This can be used for looking up in that function's + scope, in case looking up in a lower scope for a particular + name fails. + + :param node: A scope node. + :returns: + ``None``, if no parent function scope was found, + otherwise an instance of :class:`astroid.scoped_nodes.Function`, + which encloses the given node. + """ + current = node + while current.parent and not isinstance(current.parent, nodes.FunctionDef): + current = current.parent + if current and current.parent: + return current.parent + return None + + +def infer_name(self, context=None): + """infer a Name: use name lookup rules""" + frame, stmts = self.lookup(self.name) + if not stmts: + # Try to see if the name is enclosed in a nested function + # and use the higher (first function) scope for searching. + parent_function = _higher_function_scope(self.scope()) + if parent_function: + _, stmts = parent_function.lookup(self.name) + + if not stmts: + raise NameInferenceError( + name=self.name, scope=self.scope(), context=context + ) + context = contextmod.copy_context(context) + context.lookupname = self.name + return bases._infer_stmts(stmts, context, frame) + + +# pylint: disable=no-value-for-parameter +nodes.Name._infer = decorators.raise_if_nothing_inferred( + decorators.path_wrapper(infer_name) +) +nodes.AssignName.infer_lhs = infer_name # won't work with a path wrapper + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_call(self, context=None): + """infer a Call node by trying to guess what the function returns""" + callcontext = contextmod.copy_context(context) + callcontext.callcontext = contextmod.CallContext( + args=self.args, keywords=self.keywords + ) + callcontext.boundnode = None + if context is not None: + callcontext.extra_context = _populate_context_lookup(self, context.clone()) + + for callee in self.func.infer(context): + if callee is util.Uninferable: + yield callee + continue + try: + if hasattr(callee, "infer_call_result"): + yield from callee.infer_call_result(caller=self, context=callcontext) + except InferenceError: + continue + return dict(node=self, context=context) + + +nodes.Call._infer = infer_call + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_import(self, context=None, asname=True): + """infer an Import node: return the imported module/object""" + name = context.lookupname + if name is None: + raise InferenceError(node=self, context=context) + + try: + if asname: + yield self.do_import_module(self.real_name(name)) + else: + yield self.do_import_module(name) + except AstroidBuildingError as exc: + raise InferenceError(node=self, context=context) from exc + + +nodes.Import._infer = infer_import + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_import_from(self, context=None, asname=True): + """infer a ImportFrom node: return the imported module/object""" + name = context.lookupname + if name is None: + raise InferenceError(node=self, context=context) + if asname: + try: + name = self.real_name(name) + except AttributeInferenceError as exc: + # See https://github.com/PyCQA/pylint/issues/4692 + raise InferenceError(node=self, context=context) from exc + try: + module = self.do_import_module() + except AstroidBuildingError as exc: + raise InferenceError(node=self, context=context) from exc + + try: + context = contextmod.copy_context(context) + context.lookupname = name + stmts = module.getattr(name, ignore_locals=module is self.root()) + return bases._infer_stmts(stmts, context) + except AttributeInferenceError as error: + raise InferenceError( + str(error), target=self, attribute=name, context=context + ) from error + + +nodes.ImportFrom._infer = infer_import_from + + +def infer_attribute(self, context=None): + """infer an Attribute node by using getattr on the associated object""" + for owner in self.expr.infer(context): + if owner is util.Uninferable: + yield owner + continue + + if context and context.boundnode: + # This handles the situation where the attribute is accessed through a subclass + # of a base class and the attribute is defined at the base class's level, + # by taking in consideration a redefinition in the subclass. + if isinstance(owner, bases.Instance) and isinstance( + context.boundnode, bases.Instance + ): + try: + if helpers.is_subtype( + helpers.object_type(context.boundnode), + helpers.object_type(owner), + ): + owner = context.boundnode + except _NonDeducibleTypeHierarchy: + # Can't determine anything useful. + pass + elif not context: + context = contextmod.InferenceContext() + + old_boundnode = context.boundnode + try: + context.boundnode = owner + yield from owner.igetattr(self.attrname, context) + except ( + AttributeInferenceError, + InferenceError, + AttributeError, + ): + pass + finally: + context.boundnode = old_boundnode + return dict(node=self, context=context) + + +nodes.Attribute._infer = decorators.raise_if_nothing_inferred( + decorators.path_wrapper(infer_attribute) +) +# won't work with a path wrapper +nodes.AssignAttr.infer_lhs = decorators.raise_if_nothing_inferred(infer_attribute) + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_global(self, context=None): + if context.lookupname is None: + raise InferenceError(node=self, context=context) + try: + return bases._infer_stmts(self.root().getattr(context.lookupname), context) + except AttributeInferenceError as error: + raise InferenceError( + str(error), target=self, attribute=context.lookupname, context=context + ) from error + + +nodes.Global._infer = infer_global + + +_SUBSCRIPT_SENTINEL = object() + + +def infer_subscript(self, context=None): + """Inference for subscripts + + We're understanding if the index is a Const + or a slice, passing the result of inference + to the value's `getitem` method, which should + handle each supported index type accordingly. + """ + + found_one = False + for value in self.value.infer(context): + if value is util.Uninferable: + yield util.Uninferable + return None + for index in self.slice.infer(context): + if index is util.Uninferable: + yield util.Uninferable + return None + + # Try to deduce the index value. + index_value = _SUBSCRIPT_SENTINEL + if value.__class__ == bases.Instance: + index_value = index + elif index.__class__ == bases.Instance: + instance_as_index = helpers.class_instance_as_index(index) + if instance_as_index: + index_value = instance_as_index + else: + index_value = index + + if index_value is _SUBSCRIPT_SENTINEL: + raise InferenceError(node=self, context=context) + + try: + assigned = value.getitem(index_value, context) + except ( + AstroidTypeError, + AstroidIndexError, + AttributeInferenceError, + AttributeError, + ) as exc: + raise InferenceError(node=self, context=context) from exc + + # Prevent inferring if the inferred subscript + # is the same as the original subscripted object. + if self is assigned or assigned is util.Uninferable: + yield util.Uninferable + return None + yield from assigned.infer(context) + found_one = True + + if found_one: + return dict(node=self, context=context) + return None + + +nodes.Subscript._infer = decorators.raise_if_nothing_inferred( + decorators.path_wrapper(infer_subscript) +) +nodes.Subscript.infer_lhs = decorators.raise_if_nothing_inferred(infer_subscript) + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def _infer_boolop(self, context=None): + """Infer a boolean operation (and / or / not). + + The function will calculate the boolean operation + for all pairs generated through inference for each component + node. + """ + values = self.values + if self.op == "or": + predicate = operator.truth + else: + predicate = operator.not_ + + try: + values = [value.infer(context=context) for value in values] + except InferenceError: + yield util.Uninferable + return None + + for pair in itertools.product(*values): + if any(item is util.Uninferable for item in pair): + # Can't infer the final result, just yield Uninferable. + yield util.Uninferable + continue + + bool_values = [item.bool_value() for item in pair] + if any(item is util.Uninferable for item in bool_values): + # Can't infer the final result, just yield Uninferable. + yield util.Uninferable + continue + + # Since the boolean operations are short circuited operations, + # this code yields the first value for which the predicate is True + # and if no value respected the predicate, then the last value will + # be returned (or Uninferable if there was no last value). + # This is conforming to the semantics of `and` and `or`: + # 1 and 0 -> 1 + # 0 and 1 -> 0 + # 1 or 0 -> 1 + # 0 or 1 -> 1 + value = util.Uninferable + for value, bool_value in zip(pair, bool_values): + if predicate(bool_value): + yield value + break + else: + yield value + + return dict(node=self, context=context) + + +nodes.BoolOp._infer = _infer_boolop + + +# UnaryOp, BinOp and AugAssign inferences + + +def _filter_operation_errors(self, infer_callable, context, error): + for result in infer_callable(self, context): + if isinstance(result, error): + # For the sake of .infer(), we don't care about operation + # errors, which is the job of pylint. So return something + # which shows that we can't infer the result. + yield util.Uninferable + else: + yield result + + +def _infer_unaryop(self, context=None): + """Infer what an UnaryOp should return when evaluated.""" + for operand in self.operand.infer(context): + try: + yield operand.infer_unary_op(self.op) + except TypeError as exc: + # The operand doesn't support this operation. + yield util.BadUnaryOperationMessage(operand, self.op, exc) + except AttributeError as exc: + meth = protocols.UNARY_OP_METHOD[self.op] + if meth is None: + # `not node`. Determine node's boolean + # value and negate its result, unless it is + # Uninferable, which will be returned as is. + bool_value = operand.bool_value() + if bool_value is not util.Uninferable: + yield nodes.const_factory(not bool_value) + else: + yield util.Uninferable + else: + if not isinstance(operand, (bases.Instance, nodes.ClassDef)): + # The operation was used on something which + # doesn't support it. + yield util.BadUnaryOperationMessage(operand, self.op, exc) + continue + + try: + try: + methods = dunder_lookup.lookup(operand, meth) + except AttributeInferenceError: + yield util.BadUnaryOperationMessage(operand, self.op, exc) + continue + + meth = methods[0] + inferred = next(meth.infer(context=context), None) + if inferred is util.Uninferable or not inferred.callable(): + continue + + context = contextmod.copy_context(context) + context.callcontext = contextmod.CallContext(args=[operand]) + call_results = inferred.infer_call_result(self, context=context) + result = next(call_results, None) + if result is None: + # Failed to infer, return the same type. + yield operand + else: + yield result + except AttributeInferenceError as exc: + # The unary operation special method was not found. + yield util.BadUnaryOperationMessage(operand, self.op, exc) + except InferenceError: + yield util.Uninferable + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_unaryop(self, context=None): + """Infer what an UnaryOp should return when evaluated.""" + yield from _filter_operation_errors( + self, _infer_unaryop, context, util.BadUnaryOperationMessage + ) + return dict(node=self, context=context) + + +nodes.UnaryOp._infer_unaryop = _infer_unaryop +nodes.UnaryOp._infer = infer_unaryop + + +def _is_not_implemented(const): + """Check if the given const node is NotImplemented.""" + return isinstance(const, nodes.Const) and const.value is NotImplemented + + +def _invoke_binop_inference(instance, opnode, op, other, context, method_name): + """Invoke binary operation inference on the given instance.""" + methods = dunder_lookup.lookup(instance, method_name) + context = contextmod.bind_context_to_node(context, instance) + method = methods[0] + try: + inferred = next(method.infer(context=context)) + except StopIteration as e: + raise InferenceError(node=method, context=context) from e + if inferred is util.Uninferable: + raise InferenceError + return instance.infer_binary_op(opnode, op, other, context, inferred) + + +def _aug_op(instance, opnode, op, other, context, reverse=False): + """Get an inference callable for an augmented binary operation.""" + method_name = protocols.AUGMENTED_OP_METHOD[op] + return functools.partial( + _invoke_binop_inference, + instance=instance, + op=op, + opnode=opnode, + other=other, + context=context, + method_name=method_name, + ) + + +def _bin_op(instance, opnode, op, other, context, reverse=False): + """Get an inference callable for a normal binary operation. + + If *reverse* is True, then the reflected method will be used instead. + """ + if reverse: + method_name = protocols.REFLECTED_BIN_OP_METHOD[op] + else: + method_name = protocols.BIN_OP_METHOD[op] + return functools.partial( + _invoke_binop_inference, + instance=instance, + op=op, + opnode=opnode, + other=other, + context=context, + method_name=method_name, + ) + + +def _get_binop_contexts(context, left, right): + """Get contexts for binary operations. + + This will return two inference contexts, the first one + for x.__op__(y), the other one for y.__rop__(x), where + only the arguments are inversed. + """ + # The order is important, since the first one should be + # left.__op__(right). + for arg in (right, left): + new_context = context.clone() + new_context.callcontext = contextmod.CallContext(args=[arg]) + new_context.boundnode = None + yield new_context + + +def _same_type(type1, type2): + """Check if type1 is the same as type2.""" + return type1.qname() == type2.qname() + + +def _get_binop_flow( + left, left_type, binary_opnode, right, right_type, context, reverse_context +): + """Get the flow for binary operations. + + The rules are a bit messy: + + * if left and right have the same type, then only one + method will be called, left.__op__(right) + * if left and right are unrelated typewise, then first + left.__op__(right) is tried and if this does not exist + or returns NotImplemented, then right.__rop__(left) is tried. + * if left is a subtype of right, then only left.__op__(right) + is tried. + * if left is a supertype of right, then right.__rop__(left) + is first tried and then left.__op__(right) + """ + op = binary_opnode.op + if _same_type(left_type, right_type): + methods = [_bin_op(left, binary_opnode, op, right, context)] + elif helpers.is_subtype(left_type, right_type): + methods = [_bin_op(left, binary_opnode, op, right, context)] + elif helpers.is_supertype(left_type, right_type): + methods = [ + _bin_op(right, binary_opnode, op, left, reverse_context, reverse=True), + _bin_op(left, binary_opnode, op, right, context), + ] + else: + methods = [ + _bin_op(left, binary_opnode, op, right, context), + _bin_op(right, binary_opnode, op, left, reverse_context, reverse=True), + ] + return methods + + +def _get_aug_flow( + left, left_type, aug_opnode, right, right_type, context, reverse_context +): + """Get the flow for augmented binary operations. + + The rules are a bit messy: + + * if left and right have the same type, then left.__augop__(right) + is first tried and then left.__op__(right). + * if left and right are unrelated typewise, then + left.__augop__(right) is tried, then left.__op__(right) + is tried and then right.__rop__(left) is tried. + * if left is a subtype of right, then left.__augop__(right) + is tried and then left.__op__(right). + * if left is a supertype of right, then left.__augop__(right) + is tried, then right.__rop__(left) and then + left.__op__(right) + """ + bin_op = aug_opnode.op.strip("=") + aug_op = aug_opnode.op + if _same_type(left_type, right_type): + methods = [ + _aug_op(left, aug_opnode, aug_op, right, context), + _bin_op(left, aug_opnode, bin_op, right, context), + ] + elif helpers.is_subtype(left_type, right_type): + methods = [ + _aug_op(left, aug_opnode, aug_op, right, context), + _bin_op(left, aug_opnode, bin_op, right, context), + ] + elif helpers.is_supertype(left_type, right_type): + methods = [ + _aug_op(left, aug_opnode, aug_op, right, context), + _bin_op(right, aug_opnode, bin_op, left, reverse_context, reverse=True), + _bin_op(left, aug_opnode, bin_op, right, context), + ] + else: + methods = [ + _aug_op(left, aug_opnode, aug_op, right, context), + _bin_op(left, aug_opnode, bin_op, right, context), + _bin_op(right, aug_opnode, bin_op, left, reverse_context, reverse=True), + ] + return methods + + +def _infer_binary_operation(left, right, binary_opnode, context, flow_factory): + """Infer a binary operation between a left operand and a right operand + + This is used by both normal binary operations and augmented binary + operations, the only difference is the flow factory used. + """ + + context, reverse_context = _get_binop_contexts(context, left, right) + left_type = helpers.object_type(left) + right_type = helpers.object_type(right) + methods = flow_factory( + left, left_type, binary_opnode, right, right_type, context, reverse_context + ) + for method in methods: + try: + results = list(method()) + except AttributeError: + continue + except AttributeInferenceError: + continue + except InferenceError: + yield util.Uninferable + return + else: + if any(result is util.Uninferable for result in results): + yield util.Uninferable + return + + if all(map(_is_not_implemented, results)): + continue + not_implemented = sum( + 1 for result in results if _is_not_implemented(result) + ) + if not_implemented and not_implemented != len(results): + # Can't infer yet what this is. + yield util.Uninferable + return + + yield from results + return + # The operation doesn't seem to be supported so let the caller know about it + yield util.BadBinaryOperationMessage(left_type, binary_opnode.op, right_type) + + +def _infer_binop(self, context): + """Binary operation inference logic.""" + left = self.left + right = self.right + + # we use two separate contexts for evaluating lhs and rhs because + # 1. evaluating lhs may leave some undesired entries in context.path + # which may not let us infer right value of rhs + context = context or contextmod.InferenceContext() + lhs_context = contextmod.copy_context(context) + rhs_context = contextmod.copy_context(context) + lhs_iter = left.infer(context=lhs_context) + rhs_iter = right.infer(context=rhs_context) + for lhs, rhs in itertools.product(lhs_iter, rhs_iter): + if any(value is util.Uninferable for value in (rhs, lhs)): + # Don't know how to process this. + yield util.Uninferable + return + + try: + yield from _infer_binary_operation(lhs, rhs, self, context, _get_binop_flow) + except _NonDeducibleTypeHierarchy: + yield util.Uninferable + + +@decorators.yes_if_nothing_inferred +@decorators.path_wrapper +def infer_binop(self, context=None): + return _filter_operation_errors( + self, _infer_binop, context, util.BadBinaryOperationMessage + ) + + +nodes.BinOp._infer_binop = _infer_binop +nodes.BinOp._infer = infer_binop + + +def _infer_augassign(self, context=None): + """Inference logic for augmented binary operations.""" + if context is None: + context = contextmod.InferenceContext() + + rhs_context = context.clone() + + lhs_iter = self.target.infer_lhs(context=context) + rhs_iter = self.value.infer(context=rhs_context) + for lhs, rhs in itertools.product(lhs_iter, rhs_iter): + if any(value is util.Uninferable for value in (rhs, lhs)): + # Don't know how to process this. + yield util.Uninferable + return + + try: + yield from _infer_binary_operation( + left=lhs, + right=rhs, + binary_opnode=self, + context=context, + flow_factory=_get_aug_flow, + ) + except _NonDeducibleTypeHierarchy: + yield util.Uninferable + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_augassign(self, context=None): + return _filter_operation_errors( + self, _infer_augassign, context, util.BadBinaryOperationMessage + ) + + +nodes.AugAssign._infer_augassign = _infer_augassign +nodes.AugAssign._infer = infer_augassign + +# End of binary operation inference. + + +@decorators.raise_if_nothing_inferred +def infer_arguments(self, context=None): + name = context.lookupname + if name is None: + raise InferenceError(node=self, context=context) + return protocols._arguments_infer_argname(self, name, context) + + +nodes.Arguments._infer = infer_arguments + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_assign(self, context=None): + """infer a AssignName/AssignAttr: need to inspect the RHS part of the + assign node + """ + if isinstance(self.parent, nodes.AugAssign): + return self.parent.infer(context) + + stmts = list(self.assigned_stmts(context=context)) + return bases._infer_stmts(stmts, context) + + +nodes.AssignName._infer = infer_assign +nodes.AssignAttr._infer = infer_assign + + +@decorators.raise_if_nothing_inferred +@decorators.path_wrapper +def infer_empty_node(self, context=None): + if not self.has_underlying_object(): + yield util.Uninferable + else: + try: + yield from AstroidManager().infer_ast_from_something( + self.object, context=context + ) + except AstroidError: + yield util.Uninferable + + +nodes.EmptyNode._infer = infer_empty_node + + +@decorators.raise_if_nothing_inferred +def infer_index(self, context=None): + return self.value.infer(context) + + +nodes.Index._infer = infer_index + + +def _populate_context_lookup(call, context): + # Allows context to be saved for later + # for inference inside a function + context_lookup = {} + if context is None: + return context_lookup + for arg in call.args: + if isinstance(arg, nodes.Starred): + context_lookup[arg.value] = context + else: + context_lookup[arg] = context + keywords = call.keywords if call.keywords is not None else [] + for keyword in keywords: + context_lookup[keyword.value] = context + return context_lookup + + +@decorators.raise_if_nothing_inferred +def infer_ifexp(self, context=None): + """Support IfExp inference + + If we can't infer the truthiness of the condition, we default + to inferring both branches. Otherwise, we infer either branch + depending on the condition. + """ + both_branches = False + # We use two separate contexts for evaluating lhs and rhs because + # evaluating lhs may leave some undesired entries in context.path + # which may not let us infer right value of rhs. + + context = context or contextmod.InferenceContext() + lhs_context = contextmod.copy_context(context) + rhs_context = contextmod.copy_context(context) + try: + test = next(self.test.infer(context=context.clone())) + except (InferenceError, StopIteration): + both_branches = True + else: + if test is not util.Uninferable: + if test.bool_value(): + yield from self.body.infer(context=lhs_context) + else: + yield from self.orelse.infer(context=rhs_context) + else: + both_branches = True + if both_branches: + yield from self.body.infer(context=lhs_context) + yield from self.orelse.infer(context=rhs_context) + + +nodes.IfExp._infer = infer_ifexp + + +# pylint: disable=dangerous-default-value +@wrapt.decorator +def _cached_generator(func, instance, args, kwargs, _cache={}): # noqa: B006 + node = args[0] + try: + return iter(_cache[func, id(node)]) + except KeyError: + result = func(*args, **kwargs) + # Need to keep an iterator around + original, copy = itertools.tee(result) + _cache[func, id(node)] = list(copy) + return original + + +# When inferring a property, we instantiate a new `objects.Property` object, +# which in turn, because it inherits from `FunctionDef`, sets itself in the locals +# of the wrapping frame. This means that everytime we infer a property, the locals +# are mutated with a new instance of the property. This is why we cache the result +# of the function's inference. +@_cached_generator +def infer_functiondef(self, context=None): + if not self.decorators or not bases._is_property(self): + yield self + return dict(node=self, context=context) + + prop_func = objects.Property( + function=self, + name=self.name, + doc=self.doc, + lineno=self.lineno, + parent=self.parent, + col_offset=self.col_offset, + ) + prop_func.postinit(body=[], args=self.args) + yield prop_func + return dict(node=self, context=context) + + +nodes.FunctionDef._infer = infer_functiondef diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/inference_tip.py b/backend/mb-env/lib/python3.9/site-packages/astroid/inference_tip.py new file mode 100644 index 0000000..d97a9fc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/inference_tip.py @@ -0,0 +1,77 @@ +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Transform utilities (filters and decorator)""" + +import itertools +import typing + +import wrapt + +# pylint: disable=dangerous-default-value +from astroid.exceptions import InferenceOverwriteError +from astroid.nodes import NodeNG + + +@wrapt.decorator +def _inference_tip_cached(func, instance, args, kwargs, _cache={}): # noqa:B006 + """Cache decorator used for inference tips""" + node = args[0] + try: + return iter(_cache[func, node]) + except KeyError: + result = func(*args, **kwargs) + # Need to keep an iterator around + original, copy = itertools.tee(result) + _cache[func, node] = list(copy) + return original + + +# pylint: enable=dangerous-default-value + + +def inference_tip( + infer_function: typing.Callable, raise_on_overwrite: bool = False +) -> typing.Callable: + """Given an instance specific inference function, return a function to be + given to AstroidManager().register_transform to set this inference function. + + :param bool raise_on_overwrite: Raise an `InferenceOverwriteError` + if the inference tip will overwrite another. Used for debugging + + Typical usage + + .. sourcecode:: python + + AstroidManager().register_transform(Call, inference_tip(infer_named_tuple), + predicate) + + .. Note:: + + Using an inference tip will override + any previously set inference tip for the given + node. Use a predicate in the transform to prevent + excess overwrites. + """ + + def transform( + node: NodeNG, infer_function: typing.Callable = infer_function + ) -> NodeNG: + if ( + raise_on_overwrite + and node._explicit_inference is not None + and node._explicit_inference is not infer_function + ): + raise InferenceOverwriteError( + "Inference already set to {existing_inference}. " + "Trying to overwrite with {new_inference} for {node}".format( + existing_inference=infer_function, + new_inference=node._explicit_inference, + node=node, + ) + ) + # pylint: disable=no-value-for-parameter + node._explicit_inference = _inference_tip_cached(infer_function) + return node + + return transform diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/__init__.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/__init__.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/spec.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/spec.py new file mode 100644 index 0000000..6fa9074 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/spec.py @@ -0,0 +1,375 @@ +# Copyright (c) 2016-2018, 2020 Claudiu Popa +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2017 Chris Philip +# Copyright (c) 2017 Hugo +# Copyright (c) 2017 ioanatia +# Copyright (c) 2017 Calen Pennington +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2019 Ashley Whetter +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Peter Kolbus +# Copyright (c) 2020 Raphael Gaschignard +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 DudeNr33 <3929834+DudeNr33@users.noreply.github.com> +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +import abc +import collections +import distutils +import enum +import importlib.machinery +import os +import sys +import zipimport +from functools import lru_cache + +from . import util + +ModuleType = enum.Enum( + "ModuleType", + "C_BUILTIN C_EXTENSION PKG_DIRECTORY " + "PY_CODERESOURCE PY_COMPILED PY_FROZEN PY_RESOURCE " + "PY_SOURCE PY_ZIPMODULE PY_NAMESPACE", +) + + +_ModuleSpec = collections.namedtuple( + "_ModuleSpec", "name type location " "origin submodule_search_locations" +) + + +class ModuleSpec(_ModuleSpec): + """Defines a class similar to PEP 420's ModuleSpec + + A module spec defines a name of a module, its type, location + and where submodules can be found, if the module is a package. + """ + + def __new__( + cls, + name, + module_type, + location=None, + origin=None, + submodule_search_locations=None, + ): + return _ModuleSpec.__new__( + cls, + name=name, + type=module_type, + location=location, + origin=origin, + submodule_search_locations=submodule_search_locations, + ) + + +class Finder: + """A finder is a class which knows how to find a particular module.""" + + def __init__(self, path=None): + self._path = path or sys.path + + @abc.abstractmethod + def find_module(self, modname, module_parts, processed, submodule_path): + """Find the given module + + Each finder is responsible for each protocol of finding, as long as + they all return a ModuleSpec. + + :param str modname: The module which needs to be searched. + :param list module_parts: It should be a list of strings, + where each part contributes to the module's + namespace. + :param list processed: What parts from the module parts were processed + so far. + :param list submodule_path: A list of paths where the module + can be looked into. + :returns: A ModuleSpec, describing how and where the module was found, + None, otherwise. + """ + + def contribute_to_path(self, spec, processed): + """Get a list of extra paths where this finder can search.""" + + +class ImportlibFinder(Finder): + """A finder based on the importlib module.""" + + _SUFFIXES = ( + [(s, ModuleType.C_EXTENSION) for s in importlib.machinery.EXTENSION_SUFFIXES] + + [(s, ModuleType.PY_SOURCE) for s in importlib.machinery.SOURCE_SUFFIXES] + + [(s, ModuleType.PY_COMPILED) for s in importlib.machinery.BYTECODE_SUFFIXES] + ) + + def find_module(self, modname, module_parts, processed, submodule_path): + if not isinstance(modname, str): + raise TypeError(f"'modname' must be a str, not {type(modname)}") + if submodule_path is not None: + submodule_path = list(submodule_path) + else: + try: + spec = importlib.util.find_spec(modname) + if spec: + if spec.loader is importlib.machinery.BuiltinImporter: + return ModuleSpec( + name=modname, + location=None, + module_type=ModuleType.C_BUILTIN, + ) + if spec.loader is importlib.machinery.FrozenImporter: + return ModuleSpec( + name=modname, + location=None, + module_type=ModuleType.PY_FROZEN, + ) + except ValueError: + pass + submodule_path = sys.path + + for entry in submodule_path: + package_directory = os.path.join(entry, modname) + for suffix in (".py", importlib.machinery.BYTECODE_SUFFIXES[0]): + package_file_name = "__init__" + suffix + file_path = os.path.join(package_directory, package_file_name) + if os.path.isfile(file_path): + return ModuleSpec( + name=modname, + location=package_directory, + module_type=ModuleType.PKG_DIRECTORY, + ) + for suffix, type_ in ImportlibFinder._SUFFIXES: + file_name = modname + suffix + file_path = os.path.join(entry, file_name) + if os.path.isfile(file_path): + return ModuleSpec( + name=modname, location=file_path, module_type=type_ + ) + return None + + def contribute_to_path(self, spec, processed): + if spec.location is None: + # Builtin. + return None + + if _is_setuptools_namespace(spec.location): + # extend_path is called, search sys.path for module/packages + # of this name see pkgutil.extend_path documentation + path = [ + os.path.join(p, *processed) + for p in sys.path + if os.path.isdir(os.path.join(p, *processed)) + ] + # We already import distutils elsewhere in astroid, + # so if it is the same module, we can use it directly. + elif spec.name == "distutils" and spec.location in distutils.__path__: + # distutils is patched inside virtualenvs to pick up submodules + # from the original Python, not from the virtualenv itself. + path = list(distutils.__path__) + else: + path = [spec.location] + return path + + +class ExplicitNamespacePackageFinder(ImportlibFinder): + """A finder for the explicit namespace packages, generated through pkg_resources.""" + + def find_module(self, modname, module_parts, processed, submodule_path): + if processed: + modname = ".".join(processed + [modname]) + if util.is_namespace(modname) and modname in sys.modules: + submodule_path = sys.modules[modname].__path__ + return ModuleSpec( + name=modname, + location="", + origin="namespace", + module_type=ModuleType.PY_NAMESPACE, + submodule_search_locations=submodule_path, + ) + return None + + def contribute_to_path(self, spec, processed): + return spec.submodule_search_locations + + +class ZipFinder(Finder): + """Finder that knows how to find a module inside zip files.""" + + def __init__(self, path): + super().__init__(path) + self._zipimporters = _precache_zipimporters(path) + + def find_module(self, modname, module_parts, processed, submodule_path): + try: + file_type, filename, path = _search_zip(module_parts, self._zipimporters) + except ImportError: + return None + + return ModuleSpec( + name=modname, + location=filename, + origin="egg", + module_type=file_type, + submodule_search_locations=path, + ) + + +class PathSpecFinder(Finder): + """Finder based on importlib.machinery.PathFinder.""" + + def find_module(self, modname, module_parts, processed, submodule_path): + spec = importlib.machinery.PathFinder.find_spec(modname, path=submodule_path) + if spec: + # origin can be either a string on older Python versions + # or None in case it is a namespace package: + # https://github.com/python/cpython/pull/5481 + is_namespace_pkg = spec.origin in ("namespace", None) + location = spec.origin if not is_namespace_pkg else None + module_type = ModuleType.PY_NAMESPACE if is_namespace_pkg else None + spec = ModuleSpec( + name=spec.name, + location=location, + origin=spec.origin, + module_type=module_type, + submodule_search_locations=list(spec.submodule_search_locations or []), + ) + return spec + + def contribute_to_path(self, spec, processed): + if spec.type == ModuleType.PY_NAMESPACE: + return spec.submodule_search_locations + return None + + +_SPEC_FINDERS = ( + ImportlibFinder, + ZipFinder, + PathSpecFinder, + ExplicitNamespacePackageFinder, +) + + +def _is_setuptools_namespace(location): + try: + with open(os.path.join(location, "__init__.py"), "rb") as stream: + data = stream.read(4096) + except OSError: + return None + else: + extend_path = b"pkgutil" in data and b"extend_path" in data + declare_namespace = ( + b"pkg_resources" in data and b"declare_namespace(__name__)" in data + ) + return extend_path or declare_namespace + + +@lru_cache() +def _cached_set_diff(left, right): + result = set(left) + result.difference_update(right) + return result + + +def _precache_zipimporters(path=None): + """ + For each path that has not been already cached + in the sys.path_importer_cache, create a new zipimporter + instance and add it into the cache. + Return a dict associating all paths, stored in the cache, to corresponding + zipimporter instances. + + :param path: paths that has to be added into the cache + :return: association between paths stored in the cache and zipimporter instances + """ + pic = sys.path_importer_cache + + # When measured, despite having the same complexity (O(n)), + # converting to tuples and then caching the conversion to sets + # and the set difference is faster than converting to sets + # and then only caching the set difference. + + req_paths = tuple(path or sys.path) + cached_paths = tuple(pic) + new_paths = _cached_set_diff(req_paths, cached_paths) + # pylint: disable=no-member + for entry_path in new_paths: + try: + pic[entry_path] = zipimport.zipimporter(entry_path) + except zipimport.ZipImportError: + continue + return { + key: value + for key, value in pic.items() + if isinstance(value, zipimport.zipimporter) + } + + +def _search_zip(modpath, pic): + for filepath, importer in list(pic.items()): + if importer is not None: + found = importer.find_module(modpath[0]) + if found: + if not importer.find_module(os.path.sep.join(modpath)): + raise ImportError( + "No module named %s in %s/%s" + % (".".join(modpath[1:]), filepath, modpath) + ) + # import code; code.interact(local=locals()) + return ( + ModuleType.PY_ZIPMODULE, + os.path.abspath(filepath) + os.path.sep + os.path.sep.join(modpath), + filepath, + ) + raise ImportError("No module named %s" % ".".join(modpath)) + + +def _find_spec_with_path(search_path, modname, module_parts, processed, submodule_path): + finders = [finder(search_path) for finder in _SPEC_FINDERS] + for finder in finders: + spec = finder.find_module(modname, module_parts, processed, submodule_path) + if spec is None: + continue + return finder, spec + + raise ImportError("No module named %s" % ".".join(module_parts)) + + +def find_spec(modpath, path=None): + """Find a spec for the given module. + + :type modpath: list or tuple + :param modpath: + split module's name (i.e name of a module or package split + on '.'), with leading empty strings for explicit relative import + + :type path: list or None + :param path: + optional list of path where the module or package should be + searched (use sys.path if nothing or None is given) + + :rtype: ModuleSpec + :return: A module spec, which describes how the module was + found and where. + """ + _path = path or sys.path + + # Need a copy for not mutating the argument. + modpath = modpath[:] + + submodule_path = None + module_parts = modpath[:] + processed = [] + + while modpath: + modname = modpath.pop(0) + finder, spec = _find_spec_with_path( + _path, modname, module_parts, processed, submodule_path or path + ) + processed.append(modname) + if modpath: + submodule_path = finder.contribute_to_path(spec, processed) + + if spec.type == ModuleType.PKG_DIRECTORY: + spec = spec._replace(submodule_search_locations=submodule_path) + + return spec diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/util.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/util.py new file mode 100644 index 0000000..2e8a00f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/_import/util.py @@ -0,0 +1,16 @@ +# Copyright (c) 2016, 2018 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Neil Girdhar + +try: + import pkg_resources +except ImportError: + pkg_resources = None + + +def is_namespace(modname): + return ( + pkg_resources is not None + and hasattr(pkg_resources, "_namespace_packages") + and modname in pkg_resources._namespace_packages + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/dunder_lookup.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/dunder_lookup.py new file mode 100644 index 0000000..7ff0de5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/dunder_lookup.py @@ -0,0 +1,68 @@ +# Copyright (c) 2016-2018 Claudiu Popa +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Contains logic for retrieving special methods. + +This implementation does not rely on the dot attribute access +logic, found in ``.getattr()``. The difference between these two +is that the dunder methods are looked with the type slots +(you can find more about these here +http://lucumr.pocoo.org/2014/8/16/the-python-i-would-like-to-see/) +As such, the lookup for the special methods is actually simpler than +the dot attribute access. +""" +import itertools + +import astroid +from astroid.exceptions import AttributeInferenceError + + +def _lookup_in_mro(node, name): + attrs = node.locals.get(name, []) + + nodes = itertools.chain.from_iterable( + ancestor.locals.get(name, []) for ancestor in node.ancestors(recurs=True) + ) + values = list(itertools.chain(attrs, nodes)) + if not values: + raise AttributeInferenceError(attribute=name, target=node) + + return values + + +def lookup(node, name): + """Lookup the given special method name in the given *node* + + If the special method was found, then a list of attributes + will be returned. Otherwise, `astroid.AttributeInferenceError` + is going to be raised. + """ + if isinstance( + node, (astroid.List, astroid.Tuple, astroid.Const, astroid.Dict, astroid.Set) + ): + return _builtin_lookup(node, name) + if isinstance(node, astroid.Instance): + return _lookup_in_mro(node, name) + if isinstance(node, astroid.ClassDef): + return _class_lookup(node, name) + + raise AttributeInferenceError(attribute=name, target=node) + + +def _class_lookup(node, name): + metaclass = node.metaclass() + if metaclass is None: + raise AttributeInferenceError(attribute=name, target=node) + + return _lookup_in_mro(metaclass, name) + + +def _builtin_lookup(node, name): + values = node.locals.get(name, []) + if not values: + raise AttributeInferenceError(attribute=name, target=node) + + return values diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/objectmodel.py b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/objectmodel.py new file mode 100644 index 0000000..641312b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/interpreter/objectmodel.py @@ -0,0 +1,846 @@ +# Copyright (c) 2016-2020 Claudiu Popa +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2017-2018 Bryce Guinta +# Copyright (c) 2017 Ceridwen +# Copyright (c) 2017 Calen Pennington +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE +""" +Data object model, as per https://docs.python.org/3/reference/datamodel.html. + +This module describes, at least partially, a data object model for some +of astroid's nodes. The model contains special attributes that nodes such +as functions, classes, modules etc have, such as __doc__, __class__, +__module__ etc, being used when doing attribute lookups over nodes. + +For instance, inferring `obj.__class__` will first trigger an inference +of the `obj` variable. If it was successfully inferred, then an attribute +`__class__ will be looked for in the inferred object. This is the part +where the data model occurs. The model is attached to those nodes +and the lookup mechanism will try to see if attributes such as +`__class__` are defined by the model or not. If they are defined, +the model will be requested to return the corresponding value of that +attribute. Thus the model can be viewed as a special part of the lookup +mechanism. +""" + +import itertools +import os +import pprint +import types +from functools import lru_cache +from typing import Optional + +import astroid +from astroid import context as contextmod +from astroid import node_classes, util +from astroid.exceptions import AttributeInferenceError, InferenceError, NoDefault +from astroid.manager import AstroidManager + +objects = util.lazy_import("objects") + + +IMPL_PREFIX = "attr_" + + +def _dunder_dict(instance, attributes): + obj = node_classes.Dict(parent=instance) + + # Convert the keys to node strings + keys = [ + node_classes.Const(value=value, parent=obj) for value in list(attributes.keys()) + ] + + # The original attribute has a list of elements for each key, + # but that is not useful for retrieving the special attribute's value. + # In this case, we're picking the last value from each list. + values = [elem[-1] for elem in attributes.values()] + + obj.postinit(list(zip(keys, values))) + return obj + + +class ObjectModel: + def __init__(self): + self._instance = None + + def __repr__(self): + result = [] + cname = type(self).__name__ + string = "%(cname)s(%(fields)s)" + alignment = len(cname) + 1 + for field in sorted(self.attributes()): + width = 80 - len(field) - alignment + lines = pprint.pformat(field, indent=2, width=width).splitlines(True) + + inner = [lines[0]] + for line in lines[1:]: + inner.append(" " * alignment + line) + result.append(field) + + return string % { + "cname": cname, + "fields": (",\n" + " " * alignment).join(result), + } + + def __call__(self, instance): + self._instance = instance + return self + + def __get__(self, instance, cls=None): + # ObjectModel needs to be a descriptor so that just doing + # `special_attributes = SomeObjectModel` should be enough in the body of a node. + # But at the same time, node.special_attributes should return an object + # which can be used for manipulating the special attributes. That's the reason + # we pass the instance through which it got accessed to ObjectModel.__call__, + # returning itself afterwards, so we can still have access to the + # underlying data model and to the instance for which it got accessed. + return self(instance) + + def __contains__(self, name): + return name in self.attributes() + + @lru_cache(maxsize=None) + def attributes(self): + """Get the attributes which are exported by this object model.""" + return [ + obj[len(IMPL_PREFIX) :] for obj in dir(self) if obj.startswith(IMPL_PREFIX) + ] + + def lookup(self, name): + """Look up the given *name* in the current model + + It should return an AST or an interpreter object, + but if the name is not found, then an AttributeInferenceError will be raised. + """ + + if name in self.attributes(): + return getattr(self, IMPL_PREFIX + name) + raise AttributeInferenceError(target=self._instance, attribute=name) + + +class ModuleModel(ObjectModel): + def _builtins(self): + builtins_ast_module = AstroidManager().builtins_module + return builtins_ast_module.special_attributes.lookup("__dict__") + + @property + def attr_builtins(self): + return self._builtins() + + @property + def attr___path__(self): + if not self._instance.package: + raise AttributeInferenceError(target=self._instance, attribute="__path__") + + path_objs = [ + node_classes.Const( + value=path + if not path.endswith("__init__.py") + else os.path.dirname(path), + parent=self._instance, + ) + for path in self._instance.path + ] + + container = node_classes.List(parent=self._instance) + container.postinit(path_objs) + + return container + + @property + def attr___name__(self): + return node_classes.Const(value=self._instance.name, parent=self._instance) + + @property + def attr___doc__(self): + return node_classes.Const(value=self._instance.doc, parent=self._instance) + + @property + def attr___file__(self): + return node_classes.Const(value=self._instance.file, parent=self._instance) + + @property + def attr___dict__(self): + return _dunder_dict(self._instance, self._instance.globals) + + @property + def attr___package__(self): + if not self._instance.package: + value = "" + else: + value = self._instance.name + + return node_classes.Const(value=value, parent=self._instance) + + # These are related to the Python 3 implementation of the + # import system, + # https://docs.python.org/3/reference/import.html#import-related-module-attributes + + @property + def attr___spec__(self): + # No handling for now. + return node_classes.Unknown() + + @property + def attr___loader__(self): + # No handling for now. + return node_classes.Unknown() + + @property + def attr___cached__(self): + # No handling for now. + return node_classes.Unknown() + + +class FunctionModel(ObjectModel): + @property + def attr___name__(self): + return node_classes.Const(value=self._instance.name, parent=self._instance) + + @property + def attr___doc__(self): + return node_classes.Const(value=self._instance.doc, parent=self._instance) + + @property + def attr___qualname__(self): + return node_classes.Const(value=self._instance.qname(), parent=self._instance) + + @property + def attr___defaults__(self): + func = self._instance + if not func.args.defaults: + return node_classes.Const(value=None, parent=func) + + defaults_obj = node_classes.Tuple(parent=func) + defaults_obj.postinit(func.args.defaults) + return defaults_obj + + @property + def attr___annotations__(self): + obj = node_classes.Dict(parent=self._instance) + + if not self._instance.returns: + returns = None + else: + returns = self._instance.returns + + args = self._instance.args + pair_annotations = itertools.chain( + zip(args.args or [], args.annotations), + zip(args.kwonlyargs, args.kwonlyargs_annotations), + zip(args.posonlyargs or [], args.posonlyargs_annotations), + ) + + annotations = { + arg.name: annotation for (arg, annotation) in pair_annotations if annotation + } + if args.varargannotation: + annotations[args.vararg] = args.varargannotation + if args.kwargannotation: + annotations[args.kwarg] = args.kwargannotation + if returns: + annotations["return"] = returns + + items = [ + (node_classes.Const(key, parent=obj), value) + for (key, value) in annotations.items() + ] + + obj.postinit(items) + return obj + + @property + def attr___dict__(self): + return node_classes.Dict(parent=self._instance) + + attr___globals__ = attr___dict__ + + @property + def attr___kwdefaults__(self): + def _default_args(args, parent): + for arg in args.kwonlyargs: + try: + default = args.default_value(arg.name) + except NoDefault: + continue + + name = node_classes.Const(arg.name, parent=parent) + yield name, default + + args = self._instance.args + obj = node_classes.Dict(parent=self._instance) + defaults = dict(_default_args(args, obj)) + + obj.postinit(list(defaults.items())) + return obj + + @property + def attr___module__(self): + return node_classes.Const(self._instance.root().qname()) + + @property + def attr___get__(self): + # pylint: disable=import-outside-toplevel; circular import + from astroid import bases + + func = self._instance + + class DescriptorBoundMethod(bases.BoundMethod): + """Bound method which knows how to understand calling descriptor binding.""" + + def implicit_parameters(self): + # Different than BoundMethod since the signature + # is different. + return 0 + + def infer_call_result(self, caller, context=None): + if len(caller.args) > 2 or len(caller.args) < 1: + raise InferenceError( + "Invalid arguments for descriptor binding", + target=self, + context=context, + ) + + context = contextmod.copy_context(context) + try: + cls = next(caller.args[0].infer(context=context)) + except StopIteration as e: + raise InferenceError(context=context, node=caller.args[0]) from e + + if cls is astroid.Uninferable: + raise InferenceError( + "Invalid class inferred", target=self, context=context + ) + + # For some reason func is a Node that the below + # code is not expecting + if isinstance(func, bases.BoundMethod): + yield func + return + + # Rebuild the original value, but with the parent set as the + # class where it will be bound. + new_func = func.__class__( + name=func.name, + doc=func.doc, + lineno=func.lineno, + col_offset=func.col_offset, + parent=func.parent, + ) + # pylint: disable=no-member + new_func.postinit(func.args, func.body, func.decorators, func.returns) + + # Build a proper bound method that points to our newly built function. + proxy = bases.UnboundMethod(new_func) + yield bases.BoundMethod(proxy=proxy, bound=cls) + + @property + def args(self): + """Overwrite the underlying args to match those of the underlying func + + Usually the underlying *func* is a function/method, as in: + + def test(self): + pass + + This has only the *self* parameter but when we access test.__get__ + we get a new object which has two parameters, *self* and *type*. + """ + nonlocal func + positional_or_keyword_params = func.args.args.copy() + positional_or_keyword_params.append(astroid.AssignName(name="type")) + + positional_only_params = func.args.posonlyargs.copy() + + arguments = astroid.Arguments(parent=func.args.parent) + arguments.postinit( + args=positional_or_keyword_params, + posonlyargs=positional_only_params, + defaults=[], + kwonlyargs=[], + kw_defaults=[], + annotations=[], + ) + return arguments + + return DescriptorBoundMethod(proxy=self._instance, bound=self._instance) + + # These are here just for completion. + @property + def attr___ne__(self): + return node_classes.Unknown() + + attr___subclasshook__ = attr___ne__ + attr___str__ = attr___ne__ + attr___sizeof__ = attr___ne__ + attr___setattr___ = attr___ne__ + attr___repr__ = attr___ne__ + attr___reduce__ = attr___ne__ + attr___reduce_ex__ = attr___ne__ + attr___new__ = attr___ne__ + attr___lt__ = attr___ne__ + attr___eq__ = attr___ne__ + attr___gt__ = attr___ne__ + attr___format__ = attr___ne__ + attr___delattr___ = attr___ne__ + attr___getattribute__ = attr___ne__ + attr___hash__ = attr___ne__ + attr___init__ = attr___ne__ + attr___dir__ = attr___ne__ + attr___call__ = attr___ne__ + attr___class__ = attr___ne__ + attr___closure__ = attr___ne__ + attr___code__ = attr___ne__ + + +class ClassModel(ObjectModel): + @property + def attr___module__(self): + return node_classes.Const(self._instance.root().qname()) + + @property + def attr___name__(self): + return node_classes.Const(self._instance.name) + + @property + def attr___qualname__(self): + return node_classes.Const(self._instance.qname()) + + @property + def attr___doc__(self): + return node_classes.Const(self._instance.doc) + + @property + def attr___mro__(self): + if not self._instance.newstyle: + raise AttributeInferenceError(target=self._instance, attribute="__mro__") + + mro = self._instance.mro() + obj = node_classes.Tuple(parent=self._instance) + obj.postinit(mro) + return obj + + @property + def attr_mro(self): + if not self._instance.newstyle: + raise AttributeInferenceError(target=self._instance, attribute="mro") + + # pylint: disable=import-outside-toplevel; circular import + from astroid import bases + + other_self = self + + # Cls.mro is a method and we need to return one in order to have a proper inference. + # The method we're returning is capable of inferring the underlying MRO though. + class MroBoundMethod(bases.BoundMethod): + def infer_call_result(self, caller, context=None): + yield other_self.attr___mro__ + + implicit_metaclass = self._instance.implicit_metaclass() + mro_method = implicit_metaclass.locals["mro"][0] + return MroBoundMethod(proxy=mro_method, bound=implicit_metaclass) + + @property + def attr___bases__(self): + obj = node_classes.Tuple() + context = contextmod.InferenceContext() + elts = list(self._instance._inferred_bases(context)) + obj.postinit(elts=elts) + return obj + + @property + def attr___class__(self): + # pylint: disable=import-outside-toplevel; circular import + from astroid import helpers + + return helpers.object_type(self._instance) + + @property + def attr___subclasses__(self): + """Get the subclasses of the underlying class + + This looks only in the current module for retrieving the subclasses, + thus it might miss a couple of them. + """ + # pylint: disable=import-outside-toplevel; circular import + from astroid import bases, scoped_nodes + + if not self._instance.newstyle: + raise AttributeInferenceError( + target=self._instance, attribute="__subclasses__" + ) + + qname = self._instance.qname() + root = self._instance.root() + classes = [ + cls + for cls in root.nodes_of_class(scoped_nodes.ClassDef) + if cls != self._instance and cls.is_subtype_of(qname) + ] + + obj = node_classes.List(parent=self._instance) + obj.postinit(classes) + + class SubclassesBoundMethod(bases.BoundMethod): + def infer_call_result(self, caller, context=None): + yield obj + + implicit_metaclass = self._instance.implicit_metaclass() + subclasses_method = implicit_metaclass.locals["__subclasses__"][0] + return SubclassesBoundMethod(proxy=subclasses_method, bound=implicit_metaclass) + + @property + def attr___dict__(self): + return node_classes.Dict(parent=self._instance) + + +class SuperModel(ObjectModel): + @property + def attr___thisclass__(self): + return self._instance.mro_pointer + + @property + def attr___self_class__(self): + return self._instance._self_class + + @property + def attr___self__(self): + return self._instance.type + + @property + def attr___class__(self): + return self._instance._proxied + + +class UnboundMethodModel(ObjectModel): + @property + def attr___class__(self): + # pylint: disable=import-outside-toplevel; circular import + from astroid import helpers + + return helpers.object_type(self._instance) + + @property + def attr___func__(self): + return self._instance._proxied + + @property + def attr___self__(self): + return node_classes.Const(value=None, parent=self._instance) + + attr_im_func = attr___func__ + attr_im_class = attr___class__ + attr_im_self = attr___self__ + + +class BoundMethodModel(FunctionModel): + @property + def attr___func__(self): + return self._instance._proxied._proxied + + @property + def attr___self__(self): + return self._instance.bound + + +class GeneratorModel(FunctionModel): + def __new__(cls, *args, **kwargs): + # Append the values from the GeneratorType unto this object. + ret = super().__new__(cls, *args, **kwargs) + generator = AstroidManager().builtins_module["generator"] + for name, values in generator.locals.items(): + method = values[0] + + def patched(cls, meth=method): + return meth + + setattr(type(ret), IMPL_PREFIX + name, property(patched)) + + return ret + + @property + def attr___name__(self): + return node_classes.Const( + value=self._instance.parent.name, parent=self._instance + ) + + @property + def attr___doc__(self): + return node_classes.Const( + value=self._instance.parent.doc, parent=self._instance + ) + + +class AsyncGeneratorModel(GeneratorModel): + def __new__(cls, *args, **kwargs): + # Append the values from the AGeneratorType unto this object. + ret = super().__new__(cls, *args, **kwargs) + astroid_builtins = AstroidManager().builtins_module + generator = astroid_builtins.get("async_generator") + if generator is None: + # Make it backward compatible. + generator = astroid_builtins.get("generator") + + for name, values in generator.locals.items(): + method = values[0] + + def patched(cls, meth=method): + return meth + + setattr(type(ret), IMPL_PREFIX + name, property(patched)) + + return ret + + +class InstanceModel(ObjectModel): + @property + def attr___class__(self): + return self._instance._proxied + + @property + def attr___module__(self): + return node_classes.Const(self._instance.root().qname()) + + @property + def attr___doc__(self): + return node_classes.Const(self._instance.doc) + + @property + def attr___dict__(self): + return _dunder_dict(self._instance, self._instance.instance_attrs) + + +# Exception instances + + +class ExceptionInstanceModel(InstanceModel): + @property + def attr_args(self): + message = node_classes.Const("") + args = node_classes.Tuple(parent=self._instance) + args.postinit((message,)) + return args + + @property + def attr___traceback__(self): + builtins_ast_module = AstroidManager().builtins_module + traceback_type = builtins_ast_module[types.TracebackType.__name__] + return traceback_type.instantiate_class() + + +class SyntaxErrorInstanceModel(ExceptionInstanceModel): + @property + def attr_text(self): + return node_classes.Const("") + + +class OSErrorInstanceModel(ExceptionInstanceModel): + @property + def attr_filename(self): + return node_classes.Const("") + + @property + def attr_errno(self): + return node_classes.Const(0) + + @property + def attr_strerror(self): + return node_classes.Const("") + + attr_filename2 = attr_filename + + +class ImportErrorInstanceModel(ExceptionInstanceModel): + @property + def attr_name(self): + return node_classes.Const("") + + @property + def attr_path(self): + return node_classes.Const("") + + +class UnicodeDecodeErrorInstanceModel(ExceptionInstanceModel): + @property + def attr_object(self): + return node_classes.Const("") + + +BUILTIN_EXCEPTIONS = { + "builtins.SyntaxError": SyntaxErrorInstanceModel, + "builtins.ImportError": ImportErrorInstanceModel, + "builtins.UnicodeDecodeError": UnicodeDecodeErrorInstanceModel, + # These are all similar to OSError in terms of attributes + "builtins.OSError": OSErrorInstanceModel, + "builtins.BlockingIOError": OSErrorInstanceModel, + "builtins.BrokenPipeError": OSErrorInstanceModel, + "builtins.ChildProcessError": OSErrorInstanceModel, + "builtins.ConnectionAbortedError": OSErrorInstanceModel, + "builtins.ConnectionError": OSErrorInstanceModel, + "builtins.ConnectionRefusedError": OSErrorInstanceModel, + "builtins.ConnectionResetError": OSErrorInstanceModel, + "builtins.FileExistsError": OSErrorInstanceModel, + "builtins.FileNotFoundError": OSErrorInstanceModel, + "builtins.InterruptedError": OSErrorInstanceModel, + "builtins.IsADirectoryError": OSErrorInstanceModel, + "builtins.NotADirectoryError": OSErrorInstanceModel, + "builtins.PermissionError": OSErrorInstanceModel, + "builtins.ProcessLookupError": OSErrorInstanceModel, + "builtins.TimeoutError": OSErrorInstanceModel, +} + + +class DictModel(ObjectModel): + @property + def attr___class__(self): + return self._instance._proxied + + def _generic_dict_attribute(self, obj, name): + """Generate a bound method that can infer the given *obj*.""" + + class DictMethodBoundMethod(astroid.BoundMethod): + def infer_call_result(self, caller, context=None): + yield obj + + meth = next(self._instance._proxied.igetattr(name), None) + return DictMethodBoundMethod(proxy=meth, bound=self._instance) + + @property + def attr_items(self): + elems = [] + obj = node_classes.List(parent=self._instance) + for key, value in self._instance.items: + elem = node_classes.Tuple(parent=obj) + elem.postinit((key, value)) + elems.append(elem) + obj.postinit(elts=elems) + + obj = objects.DictItems(obj) + return self._generic_dict_attribute(obj, "items") + + @property + def attr_keys(self): + keys = [key for (key, _) in self._instance.items] + obj = node_classes.List(parent=self._instance) + obj.postinit(elts=keys) + + obj = objects.DictKeys(obj) + return self._generic_dict_attribute(obj, "keys") + + @property + def attr_values(self): + + values = [value for (_, value) in self._instance.items] + obj = node_classes.List(parent=self._instance) + obj.postinit(values) + + obj = objects.DictValues(obj) + return self._generic_dict_attribute(obj, "values") + + +class PropertyModel(ObjectModel): + """Model for a builtin property""" + + # pylint: disable=import-outside-toplevel + def _init_function(self, name): + from astroid.node_classes import Arguments + from astroid.scoped_nodes import FunctionDef + + args = Arguments() + args.postinit( + args=[], + defaults=[], + kwonlyargs=[], + kw_defaults=[], + annotations=[], + posonlyargs=[], + posonlyargs_annotations=[], + kwonlyargs_annotations=[], + ) + + function = FunctionDef(name=name, parent=self._instance) + + function.postinit(args=args, body=[]) + return function + + @property + def attr_fget(self): + from astroid.scoped_nodes import FunctionDef + + func = self._instance + + class PropertyFuncAccessor(FunctionDef): + def infer_call_result(self, caller=None, context=None): + nonlocal func + if caller and len(caller.args) != 1: + raise InferenceError( + "fget() needs a single argument", target=self, context=context + ) + + yield from func.function.infer_call_result( + caller=caller, context=context + ) + + property_accessor = PropertyFuncAccessor(name="fget", parent=self._instance) + property_accessor.postinit(args=func.args, body=func.body) + return property_accessor + + @property + def attr_fset(self): + from astroid.scoped_nodes import FunctionDef + + func = self._instance + + def find_setter(func: objects.Property) -> Optional[astroid.FunctionDef]: + """ + Given a property, find the corresponding setter function and returns it. + + :param func: property for which the setter has to be found + :return: the setter function or None + """ + for target in [ + t for t in func.parent.get_children() if t.name == func.function.name + ]: + for dec_name in target.decoratornames(): + if dec_name.endswith(func.function.name + ".setter"): + return target + return None + + func_setter = find_setter(func) + if not func_setter: + raise InferenceError( + f"Unable to find the setter of property {func.function.name}" + ) + + class PropertyFuncAccessor(FunctionDef): + def infer_call_result(self, caller=None, context=None): + nonlocal func_setter + if caller and len(caller.args) != 2: + raise InferenceError( + "fset() needs two arguments", target=self, context=context + ) + yield from func_setter.infer_call_result(caller=caller, context=context) + + property_accessor = PropertyFuncAccessor(name="fset", parent=self._instance) + property_accessor.postinit(args=func_setter.args, body=func_setter.body) + return property_accessor + + @property + def attr_setter(self): + return self._init_function("setter") + + @property + def attr_deleter(self): + return self._init_function("deleter") + + @property + def attr_getter(self): + return self._init_function("getter") + + # pylint: enable=import-outside-toplevel diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/manager.py b/backend/mb-env/lib/python3.9/site-packages/astroid/manager.py new file mode 100644 index 0000000..5c436a8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/manager.py @@ -0,0 +1,371 @@ +# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 BioGeek +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2017 Iva Miholic +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2019 Raphael Gaschignard +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Raphael Gaschignard +# Copyright (c) 2020 Anubhav <35621759+anubh-v@users.noreply.github.com> +# Copyright (c) 2020 Ashley Whetter +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh +# Copyright (c) 2021 DudeNr33 <3929834+DudeNr33@users.noreply.github.com> +# Copyright (c) 2021 pre-commit-ci[bot] + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""astroid manager: avoid multiple astroid build of a same module when +possible by providing a class responsible to get astroid representation +from various source and using a cache of built modules) +""" + +import os +import zipimport +from typing import ClassVar + +from astroid.exceptions import AstroidBuildingError, AstroidImportError +from astroid.interpreter._import import spec +from astroid.modutils import ( + NoSourceFile, + file_info_from_modpath, + get_source_file, + is_python_source, + is_standard_module, + load_module_from_name, + modpath_from_file, +) +from astroid.transforms import TransformVisitor + +ZIP_IMPORT_EXTS = (".zip", ".egg", ".whl") + + +def safe_repr(obj): + try: + return repr(obj) + except Exception: # pylint: disable=broad-except + return "???" + + +class AstroidManager: + """Responsible to build astroid from files or modules. + + Use the Borg (singleton) pattern. + """ + + name = "astroid loader" + brain = {} + max_inferable_values: ClassVar[int] = 100 + + def __init__(self): + self.__dict__ = AstroidManager.brain + if not self.__dict__: + # NOTE: cache entries are added by the [re]builder + self.astroid_cache = {} + self._mod_file_cache = {} + self._failed_import_hooks = [] + self.always_load_extensions = False + self.optimize_ast = False + self.extension_package_whitelist = set() + self._transform = TransformVisitor() + + @property + def register_transform(self): + # This and unregister_transform below are exported for convenience + return self._transform.register_transform + + @property + def unregister_transform(self): + return self._transform.unregister_transform + + @property + def builtins_module(self): + return self.astroid_cache["builtins"] + + def visit_transforms(self, node): + """Visit the transforms and apply them to the given *node*.""" + return self._transform.visit(node) + + def ast_from_file(self, filepath, modname=None, fallback=True, source=False): + """given a module name, return the astroid object""" + try: + filepath = get_source_file(filepath, include_no_ext=True) + source = True + except NoSourceFile: + pass + if modname is None: + try: + modname = ".".join(modpath_from_file(filepath)) + except ImportError: + modname = filepath + if ( + modname in self.astroid_cache + and self.astroid_cache[modname].file == filepath + ): + return self.astroid_cache[modname] + if source: + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import AstroidBuilder + + return AstroidBuilder(self).file_build(filepath, modname) + if fallback and modname: + return self.ast_from_module_name(modname) + raise AstroidBuildingError("Unable to build an AST for {path}.", path=filepath) + + def ast_from_string(self, data, modname="", filepath=None): + """Given some source code as a string, return its corresponding astroid object""" + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import AstroidBuilder + + return AstroidBuilder(self).string_build(data, modname, filepath) + + def _build_stub_module(self, modname): + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import AstroidBuilder + + return AstroidBuilder(self).string_build("", modname) + + def _build_namespace_module(self, modname, path): + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import build_namespace_package_module + + return build_namespace_package_module(modname, path) + + def _can_load_extension(self, modname): + if self.always_load_extensions: + return True + if is_standard_module(modname): + return True + parts = modname.split(".") + return any( + ".".join(parts[:x]) in self.extension_package_whitelist + for x in range(1, len(parts) + 1) + ) + + def ast_from_module_name(self, modname, context_file=None): + """given a module name, return the astroid object""" + if modname in self.astroid_cache: + return self.astroid_cache[modname] + if modname == "__main__": + return self._build_stub_module(modname) + if context_file: + old_cwd = os.getcwd() + os.chdir(os.path.dirname(context_file)) + try: + found_spec = self.file_from_module_name(modname, context_file) + if found_spec.type == spec.ModuleType.PY_ZIPMODULE: + module = self.zip_import_data(found_spec.location) + if module is not None: + return module + + elif found_spec.type in ( + spec.ModuleType.C_BUILTIN, + spec.ModuleType.C_EXTENSION, + ): + if ( + found_spec.type == spec.ModuleType.C_EXTENSION + and not self._can_load_extension(modname) + ): + return self._build_stub_module(modname) + try: + module = load_module_from_name(modname) + except Exception as e: + raise AstroidImportError( + "Loading {modname} failed with:\n{error}", + modname=modname, + path=found_spec.location, + ) from e + return self.ast_from_module(module, modname) + + elif found_spec.type == spec.ModuleType.PY_COMPILED: + raise AstroidImportError( + "Unable to load compiled module {modname}.", + modname=modname, + path=found_spec.location, + ) + + elif found_spec.type == spec.ModuleType.PY_NAMESPACE: + return self._build_namespace_module( + modname, found_spec.submodule_search_locations + ) + elif found_spec.type == spec.ModuleType.PY_FROZEN: + return self._build_stub_module(modname) + + if found_spec.location is None: + raise AstroidImportError( + "Can't find a file for module {modname}.", modname=modname + ) + + return self.ast_from_file(found_spec.location, modname, fallback=False) + except AstroidBuildingError as e: + for hook in self._failed_import_hooks: + try: + return hook(modname) + except AstroidBuildingError: + pass + raise e + finally: + if context_file: + os.chdir(old_cwd) + + def zip_import_data(self, filepath): + if zipimport is None: + return None + + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import AstroidBuilder + + builder = AstroidBuilder(self) + for ext in ZIP_IMPORT_EXTS: + try: + eggpath, resource = filepath.rsplit(ext + os.path.sep, 1) + except ValueError: + continue + try: + # pylint: disable=no-member + importer = zipimport.zipimporter(eggpath + ext) + # pylint: enable=no-member + zmodname = resource.replace(os.path.sep, ".") + if importer.is_package(resource): + zmodname = zmodname + ".__init__" + module = builder.string_build( + importer.get_source(resource), zmodname, filepath + ) + return module + except Exception: # pylint: disable=broad-except + continue + return None + + def file_from_module_name(self, modname, contextfile): + try: + value = self._mod_file_cache[(modname, contextfile)] + except KeyError: + try: + value = file_info_from_modpath( + modname.split("."), context_file=contextfile + ) + except ImportError as e: + value = AstroidImportError( + "Failed to import module {modname} with error:\n{error}.", + modname=modname, + # we remove the traceback here to save on memory usage (since these exceptions are cached) + error=e.with_traceback(None), + ) + self._mod_file_cache[(modname, contextfile)] = value + if isinstance(value, AstroidBuildingError): + # we remove the traceback here to save on memory usage (since these exceptions are cached) + raise value.with_traceback(None) + return value + + def ast_from_module(self, module, modname=None): + """given an imported module, return the astroid object""" + modname = modname or module.__name__ + if modname in self.astroid_cache: + return self.astroid_cache[modname] + try: + # some builtin modules don't have __file__ attribute + filepath = module.__file__ + if is_python_source(filepath): + return self.ast_from_file(filepath, modname) + except AttributeError: + pass + + # pylint: disable=import-outside-toplevel; circular import + from astroid.builder import AstroidBuilder + + return AstroidBuilder(self).module_build(module, modname) + + def ast_from_class(self, klass, modname=None): + """get astroid for the given class""" + if modname is None: + try: + modname = klass.__module__ + except AttributeError as exc: + raise AstroidBuildingError( + "Unable to get module for class {class_name}.", + cls=klass, + class_repr=safe_repr(klass), + modname=modname, + ) from exc + modastroid = self.ast_from_module_name(modname) + return modastroid.getattr(klass.__name__)[0] # XXX + + def infer_ast_from_something(self, obj, context=None): + """infer astroid for the given class""" + if hasattr(obj, "__class__") and not isinstance(obj, type): + klass = obj.__class__ + else: + klass = obj + try: + modname = klass.__module__ + except AttributeError as exc: + raise AstroidBuildingError( + "Unable to get module for {class_repr}.", + cls=klass, + class_repr=safe_repr(klass), + ) from exc + except Exception as exc: + raise AstroidImportError( + "Unexpected error while retrieving module for {class_repr}:\n" + "{error}", + cls=klass, + class_repr=safe_repr(klass), + ) from exc + try: + name = klass.__name__ + except AttributeError as exc: + raise AstroidBuildingError( + "Unable to get name for {class_repr}:\n", + cls=klass, + class_repr=safe_repr(klass), + ) from exc + except Exception as exc: + raise AstroidImportError( + "Unexpected error while retrieving name for {class_repr}:\n" "{error}", + cls=klass, + class_repr=safe_repr(klass), + ) from exc + # take care, on living object __module__ is regularly wrong :( + modastroid = self.ast_from_module_name(modname) + if klass is obj: + for inferred in modastroid.igetattr(name, context): + yield inferred + else: + for inferred in modastroid.igetattr(name, context): + yield inferred.instantiate_class() + + def register_failed_import_hook(self, hook): + """Registers a hook to resolve imports that cannot be found otherwise. + + `hook` must be a function that accepts a single argument `modname` which + contains the name of the module or package that could not be imported. + If `hook` can resolve the import, must return a node of type `astroid.Module`, + otherwise, it must raise `AstroidBuildingError`. + """ + self._failed_import_hooks.append(hook) + + def cache_module(self, module): + """Cache a module if no module with the same name is known yet.""" + self.astroid_cache.setdefault(module.name, module) + + def bootstrap(self): + """Bootstrap the required AST modules needed for the manager to work + + The bootstrap usually involves building the AST for the builtins + module, which is required by the rest of astroid to work correctly. + """ + from astroid import raw_building # pylint: disable=import-outside-toplevel + + raw_building._astroid_bootstrapping() + + def clear_cache(self): + """Clear the underlying cache. Also bootstraps the builtins module.""" + self.astroid_cache.clear() + self.bootstrap() diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/mixins.py b/backend/mb-env/lib/python3.9/site-packages/astroid/mixins.py new file mode 100644 index 0000000..d7c027a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/mixins.py @@ -0,0 +1,162 @@ +# Copyright (c) 2010-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014-2016, 2018 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 pre-commit-ci[bot] + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""This module contains some mixins for the different nodes. +""" +import itertools + +from astroid import decorators +from astroid.exceptions import AttributeInferenceError + + +class BlockRangeMixIn: + """override block range""" + + @decorators.cachedproperty + def blockstart_tolineno(self): + return self.lineno + + def _elsed_block_range(self, lineno, orelse, last=None): + """handle block line numbers range for try/finally, for, if and while + statements + """ + if lineno == self.fromlineno: + return lineno, lineno + if orelse: + if lineno >= orelse[0].fromlineno: + return lineno, orelse[-1].tolineno + return lineno, orelse[0].fromlineno - 1 + return lineno, last or self.tolineno + + +class FilterStmtsMixin: + """Mixin for statement filtering and assignment type""" + + def _get_filtered_stmts(self, _, node, _stmts, mystmt): + """method used in _filter_stmts to get statements and trigger break""" + if self.statement() is mystmt: + # original node's statement is the assignment, only keep + # current node (gen exp, list comp) + return [node], True + return _stmts, False + + def assign_type(self): + return self + + +class AssignTypeMixin: + def assign_type(self): + return self + + def _get_filtered_stmts(self, lookup_node, node, _stmts, mystmt): + """method used in filter_stmts""" + if self is mystmt: + return _stmts, True + if self.statement() is mystmt: + # original node's statement is the assignment, only keep + # current node (gen exp, list comp) + return [node], True + return _stmts, False + + +class ParentAssignTypeMixin(AssignTypeMixin): + def assign_type(self): + return self.parent.assign_type() + + +class ImportFromMixin(FilterStmtsMixin): + """MixIn for From and Import Nodes""" + + def _infer_name(self, frame, name): + return name + + def do_import_module(self, modname=None): + """return the ast for a module whose name is imported by """ + # handle special case where we are on a package node importing a module + # using the same name as the package, which may end in an infinite loop + # on relative imports + # XXX: no more needed ? + mymodule = self.root() + level = getattr(self, "level", None) # Import as no level + if modname is None: + modname = self.modname + # XXX we should investigate deeper if we really want to check + # importing itself: modname and mymodule.name be relative or absolute + if mymodule.relative_to_absolute_name(modname, level) == mymodule.name: + # FIXME: we used to raise InferenceError here, but why ? + return mymodule + + return mymodule.import_module( + modname, level=level, relative_only=level and level >= 1 + ) + + def real_name(self, asname): + """get name from 'as' name""" + for name, _asname in self.names: + if name == "*": + return asname + if not _asname: + name = name.split(".", 1)[0] + _asname = name + if asname == _asname: + return name + raise AttributeInferenceError( + "Could not find original name for {attribute} in {target!r}", + target=self, + attribute=asname, + ) + + +class MultiLineBlockMixin: + """Mixin for nodes with multi-line blocks, e.g. For and FunctionDef. + Note that this does not apply to every node with a `body` field. + For instance, an If node has a multi-line body, but the body of an + IfExpr is not multi-line, and hence cannot contain Return nodes, + Assign nodes, etc. + """ + + @decorators.cachedproperty + def _multi_line_blocks(self): + return tuple(getattr(self, field) for field in self._multi_line_block_fields) + + def _get_return_nodes_skip_functions(self): + for block in self._multi_line_blocks: + for child_node in block: + if child_node.is_function: + continue + yield from child_node._get_return_nodes_skip_functions() + + def _get_yield_nodes_skip_lambdas(self): + for block in self._multi_line_blocks: + for child_node in block: + if child_node.is_lambda: + continue + yield from child_node._get_yield_nodes_skip_lambdas() + + @decorators.cached + def _get_assign_nodes(self): + children_assign_nodes = ( + child_node._get_assign_nodes() + for block in self._multi_line_blocks + for child_node in block + ) + return list(itertools.chain.from_iterable(children_assign_nodes)) + + +class NoChildrenMixin: + """Mixin for nodes with no children, e.g. Pass.""" + + def get_children(self): + yield from () diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/modutils.py b/backend/mb-env/lib/python3.9/site-packages/astroid/modutils.py new file mode 100644 index 0000000..2604f9b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/modutils.py @@ -0,0 +1,650 @@ +# Copyright (c) 2014-2018, 2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Denis Laxalde +# Copyright (c) 2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2015 Radosław Ganczarek +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Mario Corchero +# Copyright (c) 2018 Mario Corchero +# Copyright (c) 2018 Anthony Sottile +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2019 markmcclain +# Copyright (c) 2019 BasPH +# Copyright (c) 2020 hippo91 +# Copyright (c) 2020 Peter Kolbus +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 DudeNr33 <3929834+DudeNr33@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Python modules manipulation utility functions. + +:type PY_SOURCE_EXTS: tuple(str) +:var PY_SOURCE_EXTS: list of possible python source file extension + +:type STD_LIB_DIRS: set of str +:var STD_LIB_DIRS: directories where standard modules are located + +:type BUILTIN_MODULES: dict +:var BUILTIN_MODULES: dictionary with builtin module names has key +""" + +# We disable the import-error so pylint can work without distutils installed. +# pylint: disable=no-name-in-module,useless-suppression + +import importlib +import importlib.machinery +import importlib.util +import itertools +import os +import platform +import sys +from distutils.errors import DistutilsPlatformError # pylint: disable=import-error +from distutils.sysconfig import get_python_lib # pylint: disable=import-error + +from astroid.interpreter._import import spec, util + +# distutils is replaced by virtualenv with a module that does +# weird path manipulations in order to get to the +# real distutils module. + + +if sys.platform.startswith("win"): + PY_SOURCE_EXTS = ("py", "pyw") + PY_COMPILED_EXTS = ("dll", "pyd") +else: + PY_SOURCE_EXTS = ("py",) + PY_COMPILED_EXTS = ("so",) + + +try: + # The explicit sys.prefix is to work around a patch in virtualenv that + # replaces the 'real' sys.prefix (i.e. the location of the binary) + # with the prefix from which the virtualenv was created. This throws + # off the detection logic for standard library modules, thus the + # workaround. + STD_LIB_DIRS = { + get_python_lib(standard_lib=True, prefix=sys.prefix), + # Take care of installations where exec_prefix != prefix. + get_python_lib(standard_lib=True, prefix=sys.exec_prefix), + get_python_lib(standard_lib=True), + } +# get_python_lib(standard_lib=1) is not available on pypy, set STD_LIB_DIR to +# non-valid path, see https://bugs.pypy.org/issue1164 +except DistutilsPlatformError: + STD_LIB_DIRS = set() + +if os.name == "nt": + STD_LIB_DIRS.add(os.path.join(sys.prefix, "dlls")) + try: + # real_prefix is defined when running inside virtual environments, + # created with the **virtualenv** library. + STD_LIB_DIRS.add(os.path.join(sys.real_prefix, "dlls")) + except AttributeError: + # sys.base_exec_prefix is always defined, but in a virtual environment + # created with the stdlib **venv** module, it points to the original + # installation, if the virtual env is activated. + try: + STD_LIB_DIRS.add(os.path.join(sys.base_exec_prefix, "dlls")) + except AttributeError: + pass + +if platform.python_implementation() == "PyPy": + # The get_python_lib(standard_lib=True) function does not give valid + # result with pypy in a virtualenv. + # In a virtual environment, with CPython implementation the call to this function returns a path toward + # the binary (its libraries) which has been used to create the virtual environment. + # Not with pypy implementation. + # The only way to retrieve such information is to use the sys.base_prefix hint. + # It's worth noticing that under CPython implementation the return values of + # get_python_lib(standard_lib=True) and get_python_lib(santdard_lib=True, prefix=sys.base_prefix) + # are the same. + # In the lines above, we could have replace the call to get_python_lib(standard=True) + # with the one using prefix=sys.base_prefix but we prefer modifying only what deals with pypy. + STD_LIB_DIRS.add(get_python_lib(standard_lib=True, prefix=sys.base_prefix)) + _root = os.path.join(sys.prefix, "lib_pypy") + STD_LIB_DIRS.add(_root) + try: + # real_prefix is defined when running inside virtualenv. + STD_LIB_DIRS.add(os.path.join(sys.base_prefix, "lib_pypy")) + except AttributeError: + pass + del _root +if os.name == "posix": + # Need the real prefix is we're under a virtualenv, otherwise + # the usual one will do. + try: + prefix = sys.real_prefix + except AttributeError: + prefix = sys.prefix + + def _posix_path(path): + base_python = "python%d.%d" % sys.version_info[:2] + return os.path.join(prefix, path, base_python) + + STD_LIB_DIRS.add(_posix_path("lib")) + if sys.maxsize > 2 ** 32: + # This tries to fix a problem with /usr/lib64 builds, + # where systems are running both 32-bit and 64-bit code + # on the same machine, which reflects into the places where + # standard library could be found. More details can be found + # here http://bugs.python.org/issue1294959. + # An easy reproducing case would be + # https://github.com/PyCQA/pylint/issues/712#issuecomment-163178753 + STD_LIB_DIRS.add(_posix_path("lib64")) + +EXT_LIB_DIRS = {get_python_lib(), get_python_lib(True)} +IS_JYTHON = platform.python_implementation() == "Jython" +BUILTIN_MODULES = dict.fromkeys(sys.builtin_module_names, True) + + +class NoSourceFile(Exception): + """exception raised when we are not able to get a python + source file for a precompiled file + """ + + +def _normalize_path(path): + return os.path.normcase(os.path.abspath(path)) + + +def _canonicalize_path(path): + return os.path.realpath(os.path.expanduser(path)) + + +def _path_from_filename(filename, is_jython=IS_JYTHON): + if not is_jython: + return filename + head, has_pyclass, _ = filename.partition("$py.class") + if has_pyclass: + return head + ".py" + return filename + + +def _handle_blacklist(blacklist, dirnames, filenames): + """remove files/directories in the black list + + dirnames/filenames are usually from os.walk + """ + for norecurs in blacklist: + if norecurs in dirnames: + dirnames.remove(norecurs) + elif norecurs in filenames: + filenames.remove(norecurs) + + +_NORM_PATH_CACHE = {} + + +def _cache_normalize_path(path): + """abspath with caching""" + # _module_file calls abspath on every path in sys.path every time it's + # called; on a larger codebase this easily adds up to half a second just + # assembling path components. This cache alleviates that. + try: + return _NORM_PATH_CACHE[path] + except KeyError: + if not path: # don't cache result for '' + return _normalize_path(path) + result = _NORM_PATH_CACHE[path] = _normalize_path(path) + return result + + +def load_module_from_name(dotted_name): + """Load a Python module from its name. + + :type dotted_name: str + :param dotted_name: python name of a module or package + + :raise ImportError: if the module or package is not found + + :rtype: module + :return: the loaded module + """ + try: + return sys.modules[dotted_name] + except KeyError: + pass + + return importlib.import_module(dotted_name) + + +def load_module_from_modpath(parts): + """Load a python module from its split name. + + :type parts: list(str) or tuple(str) + :param parts: + python name of a module or package split on '.' + + :raise ImportError: if the module or package is not found + + :rtype: module + :return: the loaded module + """ + return load_module_from_name(".".join(parts)) + + +def load_module_from_file(filepath: str): + """Load a Python module from it's path. + + :type filepath: str + :param filepath: path to the python module or package + + :raise ImportError: if the module or package is not found + + :rtype: module + :return: the loaded module + """ + modpath = modpath_from_file(filepath) + return load_module_from_modpath(modpath) + + +def check_modpath_has_init(path, mod_path): + """check there are some __init__.py all along the way""" + modpath = [] + for part in mod_path: + modpath.append(part) + path = os.path.join(path, part) + if not _has_init(path): + old_namespace = util.is_namespace(".".join(modpath)) + if not old_namespace: + return False + return True + + +def _get_relative_base_path(filename, path_to_check): + """Extracts the relative mod path of the file to import from + + Check if a file is within the passed in path and if so, returns the + relative mod path from the one passed in. + + If the filename is no in path_to_check, returns None + + Note this function will look for both abs and realpath of the file, + this allows to find the relative base path even if the file is a + symlink of a file in the passed in path + + Examples: + _get_relative_base_path("/a/b/c/d.py", "/a/b") -> ["c","d"] + _get_relative_base_path("/a/b/c/d.py", "/dev") -> None + """ + importable_path = None + path_to_check = os.path.normcase(path_to_check) + abs_filename = os.path.abspath(filename) + if os.path.normcase(abs_filename).startswith(path_to_check): + importable_path = abs_filename + + real_filename = os.path.realpath(filename) + if os.path.normcase(real_filename).startswith(path_to_check): + importable_path = real_filename + + if importable_path: + base_path = os.path.splitext(importable_path)[0] + relative_base_path = base_path[len(path_to_check) :] + return [pkg for pkg in relative_base_path.split(os.sep) if pkg] + + return None + + +def modpath_from_file_with_callback(filename, path=None, is_package_cb=None): + filename = os.path.expanduser(_path_from_filename(filename)) + for pathname in itertools.chain( + path or [], map(_canonicalize_path, sys.path), sys.path + ): + pathname = _cache_normalize_path(pathname) + if not pathname: + continue + modpath = _get_relative_base_path(filename, pathname) + if not modpath: + continue + if is_package_cb(pathname, modpath[:-1]): + return modpath + + raise ImportError( + "Unable to find module for {} in {}".format(filename, ", \n".join(sys.path)) + ) + + +def modpath_from_file(filename, path=None): + """Get the corresponding split module's name from a filename + + This function will return the name of a module or package split on `.`. + + :type filename: str + :param filename: file's path for which we want the module's name + + :type Optional[List[str]] path: + Optional list of path where the module or package should be + searched (use sys.path if nothing or None is given) + + :raise ImportError: + if the corresponding module's name has not been found + + :rtype: list(str) + :return: the corresponding split module's name + """ + return modpath_from_file_with_callback(filename, path, check_modpath_has_init) + + +def file_from_modpath(modpath, path=None, context_file=None): + return file_info_from_modpath(modpath, path, context_file).location + + +def file_info_from_modpath(modpath, path=None, context_file=None): + """given a mod path (i.e. split module / package name), return the + corresponding file, giving priority to source file over precompiled + file if it exists + + :type modpath: list or tuple + :param modpath: + split module's name (i.e name of a module or package split + on '.') + (this means explicit relative imports that start with dots have + empty strings in this list!) + + :type path: list or None + :param path: + optional list of path where the module or package should be + searched (use sys.path if nothing or None is given) + + :type context_file: str or None + :param context_file: + context file to consider, necessary if the identifier has been + introduced using a relative import unresolvable in the actual + context (i.e. modutils) + + :raise ImportError: if there is no such module in the directory + + :rtype: (str or None, import type) + :return: + the path to the module's file or None if it's an integrated + builtin module such as 'sys' + """ + if context_file is not None: + context = os.path.dirname(context_file) + else: + context = context_file + if modpath[0] == "xml": + # handle _xmlplus + try: + return _spec_from_modpath(["_xmlplus"] + modpath[1:], path, context) + except ImportError: + return _spec_from_modpath(modpath, path, context) + elif modpath == ["os", "path"]: + # FIXME: currently ignoring search_path... + return spec.ModuleSpec( + name="os.path", + location=os.path.__file__, + module_type=spec.ModuleType.PY_SOURCE, + ) + return _spec_from_modpath(modpath, path, context) + + +def get_module_part(dotted_name, context_file=None): + """given a dotted name return the module part of the name : + + >>> get_module_part('astroid.as_string.dump') + 'astroid.as_string' + + :type dotted_name: str + :param dotted_name: full name of the identifier we are interested in + + :type context_file: str or None + :param context_file: + context file to consider, necessary if the identifier has been + introduced using a relative import unresolvable in the actual + context (i.e. modutils) + + + :raise ImportError: if there is no such module in the directory + + :rtype: str or None + :return: + the module part of the name or None if we have not been able at + all to import the given name + + XXX: deprecated, since it doesn't handle package precedence over module + (see #10066) + """ + # os.path trick + if dotted_name.startswith("os.path"): + return "os.path" + parts = dotted_name.split(".") + if context_file is not None: + # first check for builtin module which won't be considered latter + # in that case (path != None) + if parts[0] in BUILTIN_MODULES: + if len(parts) > 2: + raise ImportError(dotted_name) + return parts[0] + # don't use += or insert, we want a new list to be created ! + path = None + starti = 0 + if parts[0] == "": + assert ( + context_file is not None + ), "explicit relative import, but no context_file?" + path = [] # prevent resolving the import non-relatively + starti = 1 + while parts[starti] == "": # for all further dots: change context + starti += 1 + context_file = os.path.dirname(context_file) + for i in range(starti, len(parts)): + try: + file_from_modpath( + parts[starti : i + 1], path=path, context_file=context_file + ) + except ImportError: + if i < max(1, len(parts) - 2): + raise + return ".".join(parts[:i]) + return dotted_name + + +def get_module_files(src_directory, blacklist, list_all=False): + """given a package directory return a list of all available python + module's files in the package and its subpackages + + :type src_directory: str + :param src_directory: + path of the directory corresponding to the package + + :type blacklist: list or tuple + :param blacklist: iterable + list of files or directories to ignore. + + :type list_all: bool + :param list_all: + get files from all paths, including ones without __init__.py + + :rtype: list + :return: + the list of all available python module's files in the package and + its subpackages + """ + files = [] + for directory, dirnames, filenames in os.walk(src_directory): + if directory in blacklist: + continue + _handle_blacklist(blacklist, dirnames, filenames) + # check for __init__.py + if not list_all and "__init__.py" not in filenames: + dirnames[:] = () + continue + for filename in filenames: + if _is_python_file(filename): + src = os.path.join(directory, filename) + files.append(src) + return files + + +def get_source_file(filename, include_no_ext=False): + """given a python module's file name return the matching source file + name (the filename will be returned identically if it's already an + absolute path to a python source file...) + + :type filename: str + :param filename: python module's file name + + + :raise NoSourceFile: if no source file exists on the file system + + :rtype: str + :return: the absolute path of the source file if it exists + """ + filename = os.path.abspath(_path_from_filename(filename)) + base, orig_ext = os.path.splitext(filename) + for ext in PY_SOURCE_EXTS: + source_path = f"{base}.{ext}" + if os.path.exists(source_path): + return source_path + if include_no_ext and not orig_ext and os.path.exists(base): + return base + raise NoSourceFile(filename) + + +def is_python_source(filename): + """ + rtype: bool + return: True if the filename is a python source file + """ + return os.path.splitext(filename)[1][1:] in PY_SOURCE_EXTS + + +def is_standard_module(modname, std_path=None): + """try to guess if a module is a standard python module (by default, + see `std_path` parameter's description) + + :type modname: str + :param modname: name of the module we are interested in + + :type std_path: list(str) or tuple(str) + :param std_path: list of path considered has standard + + + :rtype: bool + :return: + true if the module: + - is located on the path listed in one of the directory in `std_path` + - is a built-in module + """ + modname = modname.split(".")[0] + try: + filename = file_from_modpath([modname]) + except ImportError: + # import failed, i'm probably not so wrong by supposing it's + # not standard... + return False + # modules which are not living in a file are considered standard + # (sys and __builtin__ for instance) + if filename is None: + # we assume there are no namespaces in stdlib + return not util.is_namespace(modname) + filename = _normalize_path(filename) + for path in EXT_LIB_DIRS: + if filename.startswith(_cache_normalize_path(path)): + return False + if std_path is None: + std_path = STD_LIB_DIRS + for path in std_path: + if filename.startswith(_cache_normalize_path(path)): + return True + return False + + +def is_relative(modname, from_file): + """return true if the given module name is relative to the given + file name + + :type modname: str + :param modname: name of the module we are interested in + + :type from_file: str + :param from_file: + path of the module from which modname has been imported + + :rtype: bool + :return: + true if the module has been imported relatively to `from_file` + """ + if not os.path.isdir(from_file): + from_file = os.path.dirname(from_file) + if from_file in sys.path: + return False + return bool( + importlib.machinery.PathFinder.find_spec( + modname.split(".", maxsplit=1)[0], [from_file] + ) + ) + + +# internal only functions ##################################################### + + +def _spec_from_modpath(modpath, path=None, context=None): + """given a mod path (i.e. split module / package name), return the + corresponding spec + + this function is used internally, see `file_from_modpath`'s + documentation for more information + """ + assert modpath + location = None + if context is not None: + try: + found_spec = spec.find_spec(modpath, [context]) + location = found_spec.location + except ImportError: + found_spec = spec.find_spec(modpath, path) + location = found_spec.location + else: + found_spec = spec.find_spec(modpath, path) + if found_spec.type == spec.ModuleType.PY_COMPILED: + try: + location = get_source_file(found_spec.location) + return found_spec._replace( + location=location, type=spec.ModuleType.PY_SOURCE + ) + except NoSourceFile: + return found_spec._replace(location=location) + elif found_spec.type == spec.ModuleType.C_BUILTIN: + # integrated builtin module + return found_spec._replace(location=None) + elif found_spec.type == spec.ModuleType.PKG_DIRECTORY: + location = _has_init(found_spec.location) + return found_spec._replace(location=location, type=spec.ModuleType.PY_SOURCE) + return found_spec + + +def _is_python_file(filename): + """return true if the given filename should be considered as a python file + + .pyc and .pyo are ignored + """ + return filename.endswith((".py", ".so", ".pyd", ".pyw")) + + +def _has_init(directory): + """if the given directory has a valid __init__ file, return its path, + else return None + """ + mod_or_pack = os.path.join(directory, "__init__") + for ext in PY_SOURCE_EXTS + ("pyc", "pyo"): + if os.path.exists(mod_or_pack + "." + ext): + return mod_or_pack + "." + ext + return None + + +def is_namespace(specobj): + return specobj.type == spec.ModuleType.PY_NAMESPACE + + +def is_directory(specobj): + return specobj.type == spec.ModuleType.PKG_DIRECTORY diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/node_classes.py b/backend/mb-env/lib/python3.9/site-packages/astroid/node_classes.py new file mode 100644 index 0000000..e087b91 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/node_classes.py @@ -0,0 +1,5343 @@ +# Copyright (c) 2009-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2010 Daniel Harding +# Copyright (c) 2012 FELD Boris +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2014-2021 Claudiu Popa +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2016-2017 Derek Gustafson +# Copyright (c) 2016 Jared Garst +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2016 Dave Baum +# Copyright (c) 2017-2020 Ashley Whetter +# Copyright (c) 2017, 2019 Łukasz Rogalski +# Copyright (c) 2017 rr- +# Copyright (c) 2018-2021 hippo91 +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 brendanator +# Copyright (c) 2018 HoverHell +# Copyright (c) 2019 kavins14 +# Copyright (c) 2019 kavins14 +# Copyright (c) 2020 Raphael Gaschignard +# Copyright (c) 2020 Bryce Guinta +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 David Liu +# Copyright (c) 2021 Alphadelta14 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Andrew Haigh +# Copyright (c) 2021 Federico Bond + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Module for some node classes. More nodes in scoped_nodes.py""" + +import abc +import itertools +import pprint +import sys +import typing +from functools import lru_cache +from functools import singledispatch as _singledispatch +from typing import Callable, ClassVar, Generator, Optional + +from astroid import as_string, bases +from astroid import context as contextmod +from astroid import decorators, mixins, util +from astroid.const import BUILTINS, Context +from astroid.exceptions import ( + AstroidError, + AstroidIndexError, + AstroidTypeError, + InferenceError, + NoDefault, + UseInferenceDefault, +) +from astroid.manager import AstroidManager + +if sys.version_info >= (3, 8): + from typing import Literal +else: + from typing_extensions import Literal + + +def _is_const(value): + return isinstance(value, tuple(CONST_CLS)) + + +@decorators.raise_if_nothing_inferred +def unpack_infer(stmt, context=None): + """recursively generate nodes inferred by the given statement. + If the inferred value is a list or a tuple, recurse on the elements + """ + if isinstance(stmt, (List, Tuple)): + for elt in stmt.elts: + if elt is util.Uninferable: + yield elt + continue + yield from unpack_infer(elt, context) + return dict(node=stmt, context=context) + # if inferred is a final node, return it and stop + inferred = next(stmt.infer(context), util.Uninferable) + if inferred is stmt: + yield inferred + return dict(node=stmt, context=context) + # else, infer recursively, except Uninferable object that should be returned as is + for inferred in stmt.infer(context): + if inferred is util.Uninferable: + yield inferred + else: + yield from unpack_infer(inferred, context) + + return dict(node=stmt, context=context) + + +def are_exclusive(stmt1, stmt2, exceptions: Optional[typing.List[str]] = None) -> bool: + """return true if the two given statements are mutually exclusive + + `exceptions` may be a list of exception names. If specified, discard If + branches and check one of the statement is in an exception handler catching + one of the given exceptions. + + algorithm : + 1) index stmt1's parents + 2) climb among stmt2's parents until we find a common parent + 3) if the common parent is a If or TryExcept statement, look if nodes are + in exclusive branches + """ + # index stmt1's parents + stmt1_parents = {} + children = {} + node = stmt1.parent + previous = stmt1 + while node: + stmt1_parents[node] = 1 + children[node] = previous + previous = node + node = node.parent + # climb among stmt2's parents until we find a common parent + node = stmt2.parent + previous = stmt2 + while node: + if node in stmt1_parents: + # if the common parent is a If or TryExcept statement, look if + # nodes are in exclusive branches + if isinstance(node, If) and exceptions is None: + if ( + node.locate_child(previous)[1] + is not node.locate_child(children[node])[1] + ): + return True + elif isinstance(node, TryExcept): + c2attr, c2node = node.locate_child(previous) + c1attr, c1node = node.locate_child(children[node]) + if c1node is not c2node: + first_in_body_caught_by_handlers = ( + c2attr == "handlers" + and c1attr == "body" + and previous.catch(exceptions) + ) + second_in_body_caught_by_handlers = ( + c2attr == "body" + and c1attr == "handlers" + and children[node].catch(exceptions) + ) + first_in_else_other_in_handlers = ( + c2attr == "handlers" and c1attr == "orelse" + ) + second_in_else_other_in_handlers = ( + c2attr == "orelse" and c1attr == "handlers" + ) + if any( + ( + first_in_body_caught_by_handlers, + second_in_body_caught_by_handlers, + first_in_else_other_in_handlers, + second_in_else_other_in_handlers, + ) + ): + return True + elif c2attr == "handlers" and c1attr == "handlers": + return previous is not children[node] + return False + previous = node + node = node.parent + return False + + +# getitem() helpers. + +_SLICE_SENTINEL = object() + + +def _slice_value(index, context=None): + """Get the value of the given slice index.""" + + if isinstance(index, Const): + if isinstance(index.value, (int, type(None))): + return index.value + elif index is None: + return None + else: + # Try to infer what the index actually is. + # Since we can't return all the possible values, + # we'll stop at the first possible value. + try: + inferred = next(index.infer(context=context)) + except (InferenceError, StopIteration): + pass + else: + if isinstance(inferred, Const): + if isinstance(inferred.value, (int, type(None))): + return inferred.value + + # Use a sentinel, because None can be a valid + # value that this function can return, + # as it is the case for unspecified bounds. + return _SLICE_SENTINEL + + +def _infer_slice(node, context=None): + lower = _slice_value(node.lower, context) + upper = _slice_value(node.upper, context) + step = _slice_value(node.step, context) + if all(elem is not _SLICE_SENTINEL for elem in (lower, upper, step)): + return slice(lower, upper, step) + + raise AstroidTypeError( + message="Could not infer slice used in subscript", + node=node, + index=node.parent, + context=context, + ) + + +def _container_getitem(instance, elts, index, context=None): + """Get a slice or an item, using the given *index*, for the given sequence.""" + try: + if isinstance(index, Slice): + index_slice = _infer_slice(index, context=context) + new_cls = instance.__class__() + new_cls.elts = elts[index_slice] + new_cls.parent = instance.parent + return new_cls + if isinstance(index, Const): + return elts[index.value] + except IndexError as exc: + raise AstroidIndexError( + message="Index {index!s} out of range", + node=instance, + index=index, + context=context, + ) from exc + except TypeError as exc: + raise AstroidTypeError( + message="Type error {error!r}", node=instance, index=index, context=context + ) from exc + + raise AstroidTypeError("Could not use %s as subscript index" % index) + + +OP_PRECEDENCE = { + op: precedence + for precedence, ops in enumerate( + [ + ["Lambda"], # lambda x: x + 1 + ["IfExp"], # 1 if True else 2 + ["or"], + ["and"], + ["not"], + ["Compare"], # in, not in, is, is not, <, <=, >, >=, !=, == + ["|"], + ["^"], + ["&"], + ["<<", ">>"], + ["+", "-"], + ["*", "@", "/", "//", "%"], + ["UnaryOp"], # +, -, ~ + ["**"], + ["Await"], + ] + ) + for op in ops +} + + +class NodeNG: + """A node of the new Abstract Syntax Tree (AST). + + This is the base class for all Astroid node classes. + """ + + is_statement: ClassVar[bool] = False + """Whether this node indicates a statement.""" + optional_assign: ClassVar[ + bool + ] = False # True for For (and for Comprehension if py <3.0) + """Whether this node optionally assigns a variable. + + This is for loop assignments because loop won't necessarily perform an + assignment if the loop has no iterations. + This is also the case from comprehensions in Python 2. + """ + is_function: ClassVar[bool] = False # True for FunctionDef nodes + """Whether this node indicates a function.""" + is_lambda: ClassVar[bool] = False + + # Attributes below are set by the builder module or by raw factories + _astroid_fields: ClassVar[typing.Tuple[str, ...]] = () + """Node attributes that contain child nodes. + + This is redefined in most concrete classes. + """ + _other_fields: ClassVar[typing.Tuple[str, ...]] = () + """Node attributes that do not contain child nodes.""" + _other_other_fields: ClassVar[typing.Tuple[str, ...]] = () + """Attributes that contain AST-dependent fields.""" + # instance specific inference function infer(node, context) + _explicit_inference = None + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional["NodeNG"] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.lineno: Optional[int] = lineno + """The line that this node appears on in the source code.""" + + self.col_offset: Optional[int] = col_offset + """The column that this node appears on in the source code.""" + + self.parent: Optional["NodeNG"] = parent + """The parent node in the syntax tree.""" + + def infer(self, context=None, **kwargs): + """Get a generator of the inferred values. + + This is the main entry point to the inference system. + + .. seealso:: :ref:`inference` + + If the instance has some explicit inference function set, it will be + called instead of the default interface. + + :returns: The inferred values. + :rtype: iterable + """ + if context is not None: + context = context.extra_context.get(self, context) + if self._explicit_inference is not None: + # explicit_inference is not bound, give it self explicitly + try: + # pylint: disable=not-callable + results = tuple(self._explicit_inference(self, context, **kwargs)) + if context is not None: + context.nodes_inferred += len(results) + yield from results + return + except UseInferenceDefault: + pass + + if not context: + # nodes_inferred? + yield from self._infer(context, **kwargs) + return + + key = (self, context.lookupname, context.callcontext, context.boundnode) + if key in context.inferred: + yield from context.inferred[key] + return + + generator = self._infer(context, **kwargs) + results = [] + + # Limit inference amount to help with performance issues with + # exponentially exploding possible results. + limit = AstroidManager().max_inferable_values + for i, result in enumerate(generator): + if i >= limit or (context.nodes_inferred > context.max_inferred): + yield util.Uninferable + break + results.append(result) + yield result + context.nodes_inferred += 1 + + # Cache generated results for subsequent inferences of the + # same node using the same context + context.inferred[key] = tuple(results) + return + + def _repr_name(self): + """Get a name for nice representation. + + This is either :attr:`name`, :attr:`attrname`, or the empty string. + + :returns: The nice name. + :rtype: str + """ + if all(name not in self._astroid_fields for name in ("name", "attrname")): + return getattr(self, "name", "") or getattr(self, "attrname", "") + return "" + + def __str__(self): + rname = self._repr_name() + cname = type(self).__name__ + if rname: + string = "%(cname)s.%(rname)s(%(fields)s)" + alignment = len(cname) + len(rname) + 2 + else: + string = "%(cname)s(%(fields)s)" + alignment = len(cname) + 1 + result = [] + for field in self._other_fields + self._astroid_fields: + value = getattr(self, field) + width = 80 - len(field) - alignment + lines = pprint.pformat(value, indent=2, width=width).splitlines(True) + + inner = [lines[0]] + for line in lines[1:]: + inner.append(" " * alignment + line) + result.append("{}={}".format(field, "".join(inner))) + + return string % { + "cname": cname, + "rname": rname, + "fields": (",\n" + " " * alignment).join(result), + } + + def __repr__(self): + rname = self._repr_name() + if rname: + string = "<%(cname)s.%(rname)s l.%(lineno)s at 0x%(id)x>" + else: + string = "<%(cname)s l.%(lineno)s at 0x%(id)x>" + return string % { + "cname": type(self).__name__, + "rname": rname, + "lineno": self.fromlineno, + "id": id(self), + } + + def accept(self, visitor): + """Visit this node using the given visitor.""" + func = getattr(visitor, "visit_" + self.__class__.__name__.lower()) + return func(self) + + def get_children(self): + """Get the child nodes below this node. + + :returns: The children. + :rtype: iterable(NodeNG) + """ + for field in self._astroid_fields: + attr = getattr(self, field) + if attr is None: + continue + if isinstance(attr, (list, tuple)): + yield from attr + else: + yield attr + yield from () + + def last_child(self): # -> Optional["NodeNG"] + """An optimized version of list(get_children())[-1]""" + for field in self._astroid_fields[::-1]: + attr = getattr(self, field) + if not attr: # None or empty listy / tuple + continue + if isinstance(attr, (list, tuple)): + return attr[-1] + return attr + return None + + def parent_of(self, node): + """Check if this node is the parent of the given node. + + :param node: The node to check if it is the child. + :type node: NodeNG + + :returns: True if this node is the parent of the given node, + False otherwise. + :rtype: bool + """ + parent = node.parent + while parent is not None: + if self is parent: + return True + parent = parent.parent + return False + + def statement(self): + """The first parent node, including self, marked as statement node. + + :returns: The first parent statement. + :rtype: NodeNG + """ + if self.is_statement: + return self + return self.parent.statement() + + def frame(self): + """The first parent frame node. + + A frame node is a :class:`Module`, :class:`FunctionDef`, + or :class:`ClassDef`. + + :returns: The first parent frame node. + :rtype: Module or FunctionDef or ClassDef + """ + return self.parent.frame() + + def scope(self): + """The first parent node defining a new scope. + + :returns: The first parent scope node. + :rtype: Module or FunctionDef or ClassDef or Lambda or GenExpr + """ + if self.parent: + return self.parent.scope() + return None + + def root(self): + """Return the root node of the syntax tree. + + :returns: The root node. + :rtype: Module + """ + if self.parent: + return self.parent.root() + return self + + def child_sequence(self, child): + """Search for the sequence that contains this child. + + :param child: The child node to search sequences for. + :type child: NodeNG + + :returns: The sequence containing the given child node. + :rtype: iterable(NodeNG) + + :raises AstroidError: If no sequence could be found that contains + the given child. + """ + for field in self._astroid_fields: + node_or_sequence = getattr(self, field) + if node_or_sequence is child: + return [node_or_sequence] + # /!\ compiler.ast Nodes have an __iter__ walking over child nodes + if ( + isinstance(node_or_sequence, (tuple, list)) + and child in node_or_sequence + ): + return node_or_sequence + + msg = "Could not find %s in %s's children" + raise AstroidError(msg % (repr(child), repr(self))) + + def locate_child(self, child): + """Find the field of this node that contains the given child. + + :param child: The child node to search fields for. + :type child: NodeNG + + :returns: A tuple of the name of the field that contains the child, + and the sequence or node that contains the child node. + :rtype: tuple(str, iterable(NodeNG) or NodeNG) + + :raises AstroidError: If no field could be found that contains + the given child. + """ + for field in self._astroid_fields: + node_or_sequence = getattr(self, field) + # /!\ compiler.ast Nodes have an __iter__ walking over child nodes + if child is node_or_sequence: + return field, child + if ( + isinstance(node_or_sequence, (tuple, list)) + and child in node_or_sequence + ): + return field, node_or_sequence + msg = "Could not find %s in %s's children" + raise AstroidError(msg % (repr(child), repr(self))) + + # FIXME : should we merge child_sequence and locate_child ? locate_child + # is only used in are_exclusive, child_sequence one time in pylint. + + def next_sibling(self): + """The next sibling statement node. + + :returns: The next sibling statement node. + :rtype: NodeNG or None + """ + return self.parent.next_sibling() + + def previous_sibling(self): + """The previous sibling statement. + + :returns: The previous sibling statement node. + :rtype: NodeNG or None + """ + return self.parent.previous_sibling() + + # these are lazy because they're relatively expensive to compute for every + # single node, and they rarely get looked at + + @decorators.cachedproperty + def fromlineno(self) -> Optional[int]: + """The first line that this node appears on in the source code.""" + if self.lineno is None: + return self._fixed_source_line() + return self.lineno + + @decorators.cachedproperty + def tolineno(self) -> Optional[int]: + """The last line that this node appears on in the source code.""" + if not self._astroid_fields: + # can't have children + last_child = None + else: + last_child = self.last_child() + if last_child is None: + return self.fromlineno + + return last_child.tolineno + + def _fixed_source_line(self) -> Optional[int]: + """Attempt to find the line that this node appears on. + + We need this method since not all nodes have :attr:`lineno` set. + """ + line = self.lineno + _node = self + try: + while line is None: + _node = next(_node.get_children()) + line = _node.lineno + except StopIteration: + _node = self.parent + while _node and line is None: + line = _node.lineno + _node = _node.parent + return line + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: The line number to start the range at. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + starting at the given line number. + :rtype: tuple(int, int or None) + """ + return lineno, self.tolineno + + def set_local(self, name, stmt): + """Define that the given name is declared in the given statement node. + + This definition is stored on the parent scope node. + + .. seealso:: :meth:`scope` + + :param name: The name that is being defined. + :type name: str + + :param stmt: The statement that defines the given name. + :type stmt: NodeNG + """ + self.parent.set_local(name, stmt) + + def nodes_of_class(self, klass, skip_klass=None): + """Get the nodes (including this one or below) of the given types. + + :param klass: The types of node to search for. + :type klass: builtins.type or tuple(builtins.type) + + :param skip_klass: The types of node to ignore. This is useful to ignore + subclasses of :attr:`klass`. + :type skip_klass: builtins.type or tuple(builtins.type) + + :returns: The node of the given types. + :rtype: iterable(NodeNG) + """ + if isinstance(self, klass): + yield self + + if skip_klass is None: + for child_node in self.get_children(): + yield from child_node.nodes_of_class(klass, skip_klass) + + return + + for child_node in self.get_children(): + if isinstance(child_node, skip_klass): + continue + yield from child_node.nodes_of_class(klass, skip_klass) + + @decorators.cached + def _get_assign_nodes(self): + return [] + + def _get_name_nodes(self): + for child_node in self.get_children(): + yield from child_node._get_name_nodes() + + def _get_return_nodes_skip_functions(self): + yield from () + + def _get_yield_nodes_skip_lambdas(self): + yield from () + + def _infer_name(self, frame, name): + # overridden for ImportFrom, Import, Global, TryExcept and Arguments + pass + + def _infer(self, context=None): + """we don't know how to resolve a statement by default""" + # this method is overridden by most concrete classes + raise InferenceError( + "No inference function for {node!r}.", node=self, context=context + ) + + def inferred(self): + """Get a list of the inferred values. + + .. seealso:: :ref:`inference` + + :returns: The inferred values. + :rtype: list + """ + return list(self.infer()) + + def instantiate_class(self): + """Instantiate an instance of the defined class. + + .. note:: + + On anything other than a :class:`ClassDef` this will return self. + + :returns: An instance of the defined class. + :rtype: object + """ + return self + + def has_base(self, node): + """Check if this node inherits from the given type. + + :param node: The node defining the base to look for. + Usually this is a :class:`Name` node. + :type node: NodeNG + """ + return False + + def callable(self): + """Whether this node defines something that is callable. + + :returns: True if this defines something that is callable, + False otherwise. + :rtype: bool + """ + return False + + def eq(self, value): + return False + + def as_string(self): + """Get the source code that this node represents. + + :returns: The source code. + :rtype: str + """ + return as_string.to_code(self) + + def repr_tree( + self, + ids=False, + include_linenos=False, + ast_state=False, + indent=" ", + max_depth=0, + max_width=80, + ) -> str: + """Get a string representation of the AST from this node. + + :param ids: If true, includes the ids with the node type names. + :type ids: bool + + :param include_linenos: If true, includes the line numbers and + column offsets. + :type include_linenos: bool + + :param ast_state: If true, includes information derived from + the whole AST like local and global variables. + :type ast_state: bool + + :param indent: A string to use to indent the output string. + :type indent: str + + :param max_depth: If set to a positive integer, won't return + nodes deeper than max_depth in the string. + :type max_depth: int + + :param max_width: Attempt to format the output string to stay + within this number of characters, but can exceed it under some + circumstances. Only positive integer values are valid, the default is 80. + :type max_width: int + + :returns: The string representation of the AST. + :rtype: str + """ + + @_singledispatch + def _repr_tree(node, result, done, cur_indent="", depth=1): + """Outputs a representation of a non-tuple/list, non-node that's + contained within an AST, including strings. + """ + lines = pprint.pformat( + node, width=max(max_width - len(cur_indent), 1) + ).splitlines(True) + result.append(lines[0]) + result.extend([cur_indent + line for line in lines[1:]]) + return len(lines) != 1 + + # pylint: disable=unused-variable,useless-suppression; doesn't understand singledispatch + @_repr_tree.register(tuple) + @_repr_tree.register(list) + def _repr_seq(node, result, done, cur_indent="", depth=1): + """Outputs a representation of a sequence that's contained within an AST.""" + cur_indent += indent + result.append("[") + if not node: + broken = False + elif len(node) == 1: + broken = _repr_tree(node[0], result, done, cur_indent, depth) + elif len(node) == 2: + broken = _repr_tree(node[0], result, done, cur_indent, depth) + if not broken: + result.append(", ") + else: + result.append(",\n") + result.append(cur_indent) + broken = _repr_tree(node[1], result, done, cur_indent, depth) or broken + else: + result.append("\n") + result.append(cur_indent) + for child in node[:-1]: + _repr_tree(child, result, done, cur_indent, depth) + result.append(",\n") + result.append(cur_indent) + _repr_tree(node[-1], result, done, cur_indent, depth) + broken = True + result.append("]") + return broken + + # pylint: disable=unused-variable,useless-suppression; doesn't understand singledispatch + @_repr_tree.register(NodeNG) + def _repr_node(node, result, done, cur_indent="", depth=1): + """Outputs a strings representation of an astroid node.""" + if node in done: + result.append( + indent + + " max_depth: + result.append("...") + return False + depth += 1 + cur_indent += indent + if ids: + result.append(f"{type(node).__name__}<0x{id(node):x}>(\n") + else: + result.append("%s(" % type(node).__name__) + fields = [] + if include_linenos: + fields.extend(("lineno", "col_offset")) + fields.extend(node._other_fields) + fields.extend(node._astroid_fields) + if ast_state: + fields.extend(node._other_other_fields) + if not fields: + broken = False + elif len(fields) == 1: + result.append("%s=" % fields[0]) + broken = _repr_tree( + getattr(node, fields[0]), result, done, cur_indent, depth + ) + else: + result.append("\n") + result.append(cur_indent) + for field in fields[:-1]: + result.append("%s=" % field) + _repr_tree(getattr(node, field), result, done, cur_indent, depth) + result.append(",\n") + result.append(cur_indent) + result.append("%s=" % fields[-1]) + _repr_tree(getattr(node, fields[-1]), result, done, cur_indent, depth) + broken = True + result.append(")") + return broken + + result = [] + _repr_tree(self, result, set()) + return "".join(result) + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + The boolean value of a node can have three + possible values: + + * False: For instance, empty data structures, + False, empty strings, instances which return + explicitly False from the __nonzero__ / __bool__ + method. + * True: Most of constructs are True by default: + classes, functions, modules etc + * Uninferable: The inference engine is uncertain of the + node's value. + + :returns: The boolean value of this node. + :rtype: bool or Uninferable + """ + return util.Uninferable + + def op_precedence(self): + # Look up by class name or default to highest precedence + return OP_PRECEDENCE.get(self.__class__.__name__, len(OP_PRECEDENCE)) + + def op_left_associative(self): + # Everything is left associative except `**` and IfExp + return True + + +class Statement(NodeNG): + """Statement node adding a few attributes""" + + is_statement = True + """Whether this node indicates a statement.""" + + def next_sibling(self): + """The next sibling statement node. + + :returns: The next sibling statement node. + :rtype: NodeNG or None + """ + stmts = self.parent.child_sequence(self) + index = stmts.index(self) + try: + return stmts[index + 1] + except IndexError: + return None + + def previous_sibling(self): + """The previous sibling statement. + + :returns: The previous sibling statement node. + :rtype: NodeNG or None + """ + stmts = self.parent.child_sequence(self) + index = stmts.index(self) + if index >= 1: + return stmts[index - 1] + return None + + +class _BaseContainer( + mixins.ParentAssignTypeMixin, NodeNG, bases.Instance, metaclass=abc.ABCMeta +): + """Base class for Set, FrozenSet, Tuple and List.""" + + _astroid_fields = ("elts",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.elts: typing.List[NodeNG] = [] + """The elements in the node.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, elts: typing.List[NodeNG]) -> None: + """Do some setup after initialisation. + + :param elts: The list of elements the that node contains. + """ + self.elts = elts + + @classmethod + def from_elements(cls, elts=None): + """Create a node of this type from the given list of elements. + + :param elts: The list of elements that the node should contain. + :type elts: list(NodeNG) + + :returns: A new node containing the given elements. + :rtype: NodeNG + """ + node = cls() + if elts is None: + node.elts = [] + else: + node.elts = [const_factory(e) if _is_const(e) else e for e in elts] + return node + + def itered(self): + """An iterator over the elements this node contains. + + :returns: The contents of this node. + :rtype: iterable(NodeNG) + """ + return self.elts + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + :rtype: bool or Uninferable + """ + return bool(self.elts) + + @abc.abstractmethod + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + + def get_children(self): + yield from self.elts + + +class LookupMixIn: + """Mixin to look up a name in the right scope.""" + + @lru_cache(maxsize=None) + def lookup(self, name): + """Lookup where the given variable is assigned. + + The lookup starts from self's scope. If self is not a frame itself + and the name is found in the inner frame locals, statements will be + filtered to remove ignorable statements according to self's location. + + :param name: The name of the variable to find assignments for. + :type name: str + + :returns: The scope node and the list of assignments associated to the + given name according to the scope where it has been found (locals, + globals or builtin). + :rtype: tuple(str, list(NodeNG)) + """ + return self.scope().scope_lookup(self, name) + + def ilookup(self, name): + """Lookup the inferred values of the given variable. + + :param name: The variable name to find values for. + :type name: str + + :returns: The inferred values of the statements returned from + :meth:`lookup`. + :rtype: iterable + """ + frame, stmts = self.lookup(name) + context = contextmod.InferenceContext() + return bases._infer_stmts(stmts, context, frame) + + def _get_filtered_node_statements(self, nodes): + statements = [(node, node.statement()) for node in nodes] + # Next we check if we have ExceptHandlers that are parent + # of the underlying variable, in which case the last one survives + if len(statements) > 1 and all( + isinstance(stmt, ExceptHandler) for _, stmt in statements + ): + statements = [ + (node, stmt) for node, stmt in statements if stmt.parent_of(self) + ] + return statements + + def _filter_stmts(self, stmts, frame, offset): + """Filter the given list of statements to remove ignorable statements. + + If self is not a frame itself and the name is found in the inner + frame locals, statements will be filtered to remove ignorable + statements according to self's location. + + :param stmts: The statements to filter. + :type stmts: list(NodeNG) + + :param frame: The frame that all of the given statements belong to. + :type frame: NodeNG + + :param offset: The line offset to filter statements up to. + :type offset: int + + :returns: The filtered statements. + :rtype: list(NodeNG) + """ + # if offset == -1, my actual frame is not the inner frame but its parent + # + # class A(B): pass + # + # we need this to resolve B correctly + if offset == -1: + myframe = self.frame().parent.frame() + else: + myframe = self.frame() + # If the frame of this node is the same as the statement + # of this node, then the node is part of a class or + # a function definition and the frame of this node should be the + # the upper frame, not the frame of the definition. + # For more information why this is important, + # see Pylint issue #295. + # For example, for 'b', the statement is the same + # as the frame / scope: + # + # def test(b=1): + # ... + + if self.statement() is myframe and myframe.parent: + myframe = myframe.parent.frame() + mystmt = self.statement() + # line filtering if we are in the same frame + # + # take care node may be missing lineno information (this is the case for + # nodes inserted for living objects) + if myframe is frame and mystmt.fromlineno is not None: + assert mystmt.fromlineno is not None, mystmt + mylineno = mystmt.fromlineno + offset + else: + # disabling lineno filtering + mylineno = 0 + + _stmts = [] + _stmt_parents = [] + statements = self._get_filtered_node_statements(stmts) + for node, stmt in statements: + # line filtering is on and we have reached our location, break + if stmt.fromlineno and stmt.fromlineno > mylineno > 0: + break + # Ignore decorators with the same name as the + # decorated function + # Fixes issue #375 + if mystmt is stmt and is_from_decorator(self): + continue + assert hasattr(node, "assign_type"), ( + node, + node.scope(), + node.scope().locals, + ) + assign_type = node.assign_type() + if node.has_base(self): + break + + _stmts, done = assign_type._get_filtered_stmts(self, node, _stmts, mystmt) + if done: + break + + optional_assign = assign_type.optional_assign + if optional_assign and assign_type.parent_of(self): + # we are inside a loop, loop var assignment is hiding previous + # assignment + _stmts = [node] + _stmt_parents = [stmt.parent] + continue + + if isinstance(assign_type, NamedExpr): + _stmts = [node] + continue + + # XXX comment various branches below!!! + try: + pindex = _stmt_parents.index(stmt.parent) + except ValueError: + pass + else: + # we got a parent index, this means the currently visited node + # is at the same block level as a previously visited node + if _stmts[pindex].assign_type().parent_of(assign_type): + # both statements are not at the same block level + continue + # if currently visited node is following previously considered + # assignment and both are not exclusive, we can drop the + # previous one. For instance in the following code :: + # + # if a: + # x = 1 + # else: + # x = 2 + # print x + # + # we can't remove neither x = 1 nor x = 2 when looking for 'x' + # of 'print x'; while in the following :: + # + # x = 1 + # x = 2 + # print x + # + # we can remove x = 1 when we see x = 2 + # + # moreover, on loop assignment types, assignment won't + # necessarily be done if the loop has no iteration, so we don't + # want to clear previous assignments if any (hence the test on + # optional_assign) + if not (optional_assign or are_exclusive(_stmts[pindex], node)): + del _stmt_parents[pindex] + del _stmts[pindex] + + # If self and node are exclusive, then we can ignore node + if are_exclusive(self, node): + continue + + # An AssignName node overrides previous assignments if: + # 1. node's statement always assigns + # 2. node and self are in the same block (i.e., has the same parent as self) + if isinstance(node, AssignName): + if isinstance(stmt, ExceptHandler): + # If node's statement is an ExceptHandler, then it is the variable + # bound to the caught exception. If self is not contained within + # the exception handler block, node should override previous assignments; + # otherwise, node should be ignored, as an exception variable + # is local to the handler block. + if stmt.parent_of(self): + _stmts = [] + _stmt_parents = [] + else: + continue + elif not optional_assign and stmt.parent is mystmt.parent: + _stmts = [] + _stmt_parents = [] + elif isinstance(node, DelName): + # Remove all previously stored assignments + _stmts = [] + _stmt_parents = [] + continue + # Add the new assignment + _stmts.append(node) + if isinstance(node, Arguments) or isinstance(node.parent, Arguments): + # Special case for _stmt_parents when node is a function parameter; + # in this case, stmt is the enclosing FunctionDef, which is what we + # want to add to _stmt_parents, not stmt.parent. This case occurs when + # node is an Arguments node (representing varargs or kwargs parameter), + # and when node.parent is an Arguments node (other parameters). + # See issue #180. + _stmt_parents.append(stmt) + else: + _stmt_parents.append(stmt.parent) + return _stmts + + +# Name classes + + +class AssignName( + mixins.NoChildrenMixin, LookupMixIn, mixins.ParentAssignTypeMixin, NodeNG +): + """Variation of :class:`ast.Assign` representing assignment to a name. + + An :class:`AssignName` is the name of something that is assigned to. + This includes variables defined in a function signature or in a loop. + + >>> node = astroid.extract_node('variable = range(10)') + >>> node + + >>> list(node.get_children()) + [, ] + >>> list(node.get_children())[0].as_string() + 'variable' + """ + + _other_fields = ("name",) + + def __init__( + self, + name: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param name: The name that is assigned to. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.name: Optional[str] = name + """The name that is assigned to.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + +class DelName( + mixins.NoChildrenMixin, LookupMixIn, mixins.ParentAssignTypeMixin, NodeNG +): + """Variation of :class:`ast.Delete` representing deletion of a name. + + A :class:`DelName` is the name of something that is deleted. + + >>> node = astroid.extract_node("del variable #@") + >>> list(node.get_children()) + [] + >>> list(node.get_children())[0].as_string() + 'variable' + """ + + _other_fields = ("name",) + + def __init__( + self, + name: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param name: The name that is being deleted. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.name: Optional[str] = name + """The name that is being deleted.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + +class Name(mixins.NoChildrenMixin, LookupMixIn, NodeNG): + """Class representing an :class:`ast.Name` node. + + A :class:`Name` node is something that is named, but not covered by + :class:`AssignName` or :class:`DelName`. + + >>> node = astroid.extract_node('range(10)') + >>> node + + >>> list(node.get_children()) + [, ] + >>> list(node.get_children())[0].as_string() + 'range' + """ + + _other_fields = ("name",) + + def __init__( + self, + name: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param name: The name that this node refers to. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.name: Optional[str] = name + """The name that this node refers to.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def _get_name_nodes(self): + yield self + + for child_node in self.get_children(): + yield from child_node._get_name_nodes() + + +class Arguments(mixins.AssignTypeMixin, NodeNG): + """Class representing an :class:`ast.arguments` node. + + An :class:`Arguments` node represents that arguments in a + function definition. + + >>> node = astroid.extract_node('def foo(bar): pass') + >>> node + + >>> node.args + + """ + + # Python 3.4+ uses a different approach regarding annotations, + # each argument is a new class, _ast.arg, which exposes an + # 'annotation' attribute. In astroid though, arguments are exposed + # as is in the Arguments node and the only way to expose annotations + # is by using something similar with Python 3.3: + # - we expose 'varargannotation' and 'kwargannotation' of annotations + # of varargs and kwargs. + # - we expose 'annotation', a list with annotations for + # for each normal argument. If an argument doesn't have an + # annotation, its value will be None. + _astroid_fields = ( + "args", + "defaults", + "kwonlyargs", + "posonlyargs", + "posonlyargs_annotations", + "kw_defaults", + "annotations", + "varargannotation", + "kwargannotation", + "kwonlyargs_annotations", + "type_comment_args", + "type_comment_kwonlyargs", + "type_comment_posonlyargs", + ) + + _other_fields = ("vararg", "kwarg") + + def __init__( + self, + vararg: Optional[str] = None, + kwarg: Optional[str] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param vararg: The name of the variable length arguments. + + :param kwarg: The name of the variable length keyword arguments. + + :param parent: The parent node in the syntax tree. + """ + super().__init__(parent=parent) + + self.vararg: Optional[str] = vararg # can be None + """The name of the variable length arguments.""" + + self.kwarg: Optional[str] = kwarg # can be None + """The name of the variable length keyword arguments.""" + + self.args: typing.List[AssignName] + """The names of the required arguments.""" + + self.defaults: typing.List[NodeNG] + """The default values for arguments that can be passed positionally.""" + + self.kwonlyargs: typing.List[AssignName] + """The keyword arguments that cannot be passed positionally.""" + + self.posonlyargs: typing.List[AssignName] = [] + """The arguments that can only be passed positionally.""" + + self.kw_defaults: typing.List[Optional[NodeNG]] + """The default values for keyword arguments that cannot be passed positionally.""" + + self.annotations: typing.List[Optional[NodeNG]] + """The type annotations of arguments that can be passed positionally.""" + + self.posonlyargs_annotations: typing.List[Optional[NodeNG]] = [] + """The type annotations of arguments that can only be passed positionally.""" + + self.kwonlyargs_annotations: typing.List[Optional[NodeNG]] = [] + """The type annotations of arguments that cannot be passed positionally.""" + + self.type_comment_args: typing.List[Optional[NodeNG]] = [] + """The type annotation, passed by a type comment, of each argument. + + If an argument does not have a type comment, + the value for that argument will be None. + """ + + self.type_comment_kwonlyargs: typing.List[Optional[NodeNG]] = [] + """The type annotation, passed by a type comment, of each keyword only argument. + + If an argument does not have a type comment, + the value for that argument will be None. + """ + + self.type_comment_posonlyargs: typing.List[Optional[NodeNG]] = [] + """The type annotation, passed by a type comment, of each positional argument. + + If an argument does not have a type comment, + the value for that argument will be None. + """ + + self.varargannotation: Optional[NodeNG] = None # can be None + """The type annotation for the variable length arguments.""" + + self.kwargannotation: Optional[NodeNG] = None # can be None + """The type annotation for the variable length keyword arguments.""" + + # pylint: disable=too-many-arguments + def postinit( + self, + args: typing.List[AssignName], + defaults: typing.List[NodeNG], + kwonlyargs: typing.List[AssignName], + kw_defaults: typing.List[Optional[NodeNG]], + annotations: typing.List[Optional[NodeNG]], + posonlyargs: Optional[typing.List[AssignName]] = None, + kwonlyargs_annotations: Optional[typing.List[Optional[NodeNG]]] = None, + posonlyargs_annotations: Optional[typing.List[Optional[NodeNG]]] = None, + varargannotation: Optional[NodeNG] = None, + kwargannotation: Optional[NodeNG] = None, + type_comment_args: Optional[typing.List[Optional[NodeNG]]] = None, + type_comment_kwonlyargs: Optional[typing.List[Optional[NodeNG]]] = None, + type_comment_posonlyargs: Optional[typing.List[Optional[NodeNG]]] = None, + ) -> None: + """Do some setup after initialisation. + + :param args: The names of the required arguments. + + :param defaults: The default values for arguments that can be passed + positionally. + + :param kwonlyargs: The keyword arguments that cannot be passed + positionally. + + :param posonlyargs: The arguments that can only be passed + positionally. + + :param kw_defaults: The default values for keyword arguments that + cannot be passed positionally. + + :param annotations: The type annotations of arguments that can be + passed positionally. + + :param kwonlyargs_annotations: The type annotations of arguments that + cannot be passed positionally. This should always be passed in + Python 3. + + :param posonlyargs_annotations: The type annotations of arguments that + can only be passed positionally. This should always be passed in + Python 3. + + :param varargannotation: The type annotation for the variable length + arguments. + + :param kwargannotation: The type annotation for the variable length + keyword arguments. + + :param type_comment_args: The type annotation, + passed by a type comment, of each argument. + + :param type_comment_args: The type annotation, + passed by a type comment, of each keyword only argument. + + :param type_comment_args: The type annotation, + passed by a type comment, of each positional argument. + """ + self.args = args + self.defaults = defaults + self.kwonlyargs = kwonlyargs + if posonlyargs is not None: + self.posonlyargs = posonlyargs + self.kw_defaults = kw_defaults + self.annotations = annotations + if kwonlyargs_annotations is not None: + self.kwonlyargs_annotations = kwonlyargs_annotations + if posonlyargs_annotations is not None: + self.posonlyargs_annotations = posonlyargs_annotations + self.varargannotation = varargannotation + self.kwargannotation = kwargannotation + if type_comment_args is not None: + self.type_comment_args = type_comment_args + if type_comment_kwonlyargs is not None: + self.type_comment_kwonlyargs = type_comment_kwonlyargs + if type_comment_posonlyargs is not None: + self.type_comment_posonlyargs = type_comment_posonlyargs + + def _infer_name(self, frame, name): + if self.parent is frame: + return name + return None + + @decorators.cachedproperty + def fromlineno(self): + """The first line that this node appears on in the source code. + + :type: int or None + """ + lineno = super().fromlineno + return max(lineno, self.parent.fromlineno or 0) + + @decorators.cachedproperty + def arguments(self): + """Get all the arguments for this node, including positional only and positional and keyword""" + return list(itertools.chain((self.posonlyargs or ()), self.args or ())) + + def format_args(self): + """Get the arguments formatted as string. + + :returns: The formatted arguments. + :rtype: str + """ + result = [] + positional_only_defaults = [] + positional_or_keyword_defaults = self.defaults + if self.defaults: + args = self.args or [] + positional_or_keyword_defaults = self.defaults[-len(args) :] + positional_only_defaults = self.defaults[: len(self.defaults) - len(args)] + + if self.posonlyargs: + result.append( + _format_args( + self.posonlyargs, + positional_only_defaults, + self.posonlyargs_annotations, + ) + ) + result.append("/") + if self.args: + result.append( + _format_args( + self.args, + positional_or_keyword_defaults, + getattr(self, "annotations", None), + ) + ) + if self.vararg: + result.append("*%s" % self.vararg) + if self.kwonlyargs: + if not self.vararg: + result.append("*") + result.append( + _format_args( + self.kwonlyargs, self.kw_defaults, self.kwonlyargs_annotations + ) + ) + if self.kwarg: + result.append("**%s" % self.kwarg) + return ", ".join(result) + + def default_value(self, argname): + """Get the default value for an argument. + + :param argname: The name of the argument to get the default value for. + :type argname: str + + :raises NoDefault: If there is no default value defined for the + given argument. + """ + args = self.arguments + index = _find_arg(argname, args)[0] + if index is not None: + idx = index - (len(args) - len(self.defaults)) + if idx >= 0: + return self.defaults[idx] + index = _find_arg(argname, self.kwonlyargs)[0] + if index is not None and self.kw_defaults[index] is not None: + return self.kw_defaults[index] + raise NoDefault(func=self.parent, name=argname) + + def is_argument(self, name): + """Check if the given name is defined in the arguments. + + :param name: The name to check for. + :type name: str + + :returns: True if the given name is defined in the arguments, + False otherwise. + :rtype: bool + """ + if name == self.vararg: + return True + if name == self.kwarg: + return True + return ( + self.find_argname(name, rec=True)[1] is not None + or self.kwonlyargs + and _find_arg(name, self.kwonlyargs, rec=True)[1] is not None + ) + + def find_argname(self, argname, rec=False): + """Get the index and :class:`AssignName` node for given name. + + :param argname: The name of the argument to search for. + :type argname: str + + :param rec: Whether or not to include arguments in unpacked tuples + in the search. + :type rec: bool + + :returns: The index and node for the argument. + :rtype: tuple(str or None, AssignName or None) + """ + if self.arguments: + return _find_arg(argname, self.arguments, rec) + return None, None + + def get_children(self): + yield from self.posonlyargs or () + + for elt in self.posonlyargs_annotations: + if elt is not None: + yield elt + + yield from self.args or () + + yield from self.defaults + yield from self.kwonlyargs + + for elt in self.kw_defaults: + if elt is not None: + yield elt + + for elt in self.annotations: + if elt is not None: + yield elt + + if self.varargannotation is not None: + yield self.varargannotation + + if self.kwargannotation is not None: + yield self.kwargannotation + + for elt in self.kwonlyargs_annotations: + if elt is not None: + yield elt + + +def _find_arg(argname, args, rec=False): + for i, arg in enumerate(args): + if isinstance(arg, Tuple): + if rec: + found = _find_arg(argname, arg.elts) + if found[0] is not None: + return found + elif arg.name == argname: + return i, arg + return None, None + + +def _format_args(args, defaults=None, annotations=None): + values = [] + if args is None: + return "" + if annotations is None: + annotations = [] + if defaults is not None: + default_offset = len(args) - len(defaults) + packed = itertools.zip_longest(args, annotations) + for i, (arg, annotation) in enumerate(packed): + if isinstance(arg, Tuple): + values.append("(%s)" % _format_args(arg.elts)) + else: + argname = arg.name + default_sep = "=" + if annotation is not None: + argname += ": " + annotation.as_string() + default_sep = " = " + values.append(argname) + + if defaults is not None and i >= default_offset: + if defaults[i - default_offset] is not None: + values[-1] += default_sep + defaults[i - default_offset].as_string() + return ", ".join(values) + + +class AssignAttr(mixins.ParentAssignTypeMixin, NodeNG): + """Variation of :class:`ast.Assign` representing assignment to an attribute. + + >>> node = astroid.extract_node('self.attribute = range(10)') + >>> node + + >>> list(node.get_children()) + [, ] + >>> list(node.get_children())[0].as_string() + 'self.attribute' + """ + + _astroid_fields = ("expr",) + _other_fields = ("attrname",) + + def __init__( + self, + attrname: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param attrname: The name of the attribute being assigned to. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.expr: Optional[NodeNG] = None + """What has the attribute that is being assigned to.""" + + self.attrname: Optional[str] = attrname + """The name of the attribute being assigned to.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, expr: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param expr: What has the attribute that is being assigned to. + """ + self.expr = expr + + def get_children(self): + yield self.expr + + +class Assert(Statement): + """Class representing an :class:`ast.Assert` node. + + An :class:`Assert` node represents an assert statement. + + >>> node = astroid.extract_node('assert len(things) == 10, "Not enough things"') + >>> node + + """ + + _astroid_fields = ("test", "fail") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.test: Optional[NodeNG] = None + """The test that passes or fails the assertion.""" + + self.fail: Optional[NodeNG] = None # can be None + """The message shown when the assertion fails.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, test: Optional[NodeNG] = None, fail: Optional[NodeNG] = None + ) -> None: + """Do some setup after initialisation. + + :param test: The test that passes or fails the assertion. + + :param fail: The message shown when the assertion fails. + """ + self.fail = fail + self.test = test + + def get_children(self): + yield self.test + + if self.fail is not None: + yield self.fail + + +class Assign(mixins.AssignTypeMixin, Statement): + """Class representing an :class:`ast.Assign` node. + + An :class:`Assign` is a statement where something is explicitly + asssigned to. + + >>> node = astroid.extract_node('variable = range(10)') + >>> node + + """ + + _astroid_fields = ("targets", "value") + _other_other_fields = ("type_annotation",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.targets: typing.List[NodeNG] = [] + """What is being assigned to.""" + + self.value: Optional[NodeNG] = None + """The value being assigned to the variables.""" + + self.type_annotation: Optional[NodeNG] = None + """If present, this will contain the type annotation passed by a type comment""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + targets: Optional[typing.List[NodeNG]] = None, + value: Optional[NodeNG] = None, + type_annotation: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param targets: What is being assigned to. + + :param value: The value being assigned to the variables. + """ + if targets is not None: + self.targets = targets + self.value = value + self.type_annotation = type_annotation + + def get_children(self): + yield from self.targets + + yield self.value + + @decorators.cached + def _get_assign_nodes(self): + return [self] + list(self.value._get_assign_nodes()) + + def _get_yield_nodes_skip_lambdas(self): + yield from self.value._get_yield_nodes_skip_lambdas() + + +class AnnAssign(mixins.AssignTypeMixin, Statement): + """Class representing an :class:`ast.AnnAssign` node. + + An :class:`AnnAssign` is an assignment with a type annotation. + + >>> node = astroid.extract_node('variable: List[int] = range(10)') + >>> node + + """ + + _astroid_fields = ("target", "annotation", "value") + _other_fields = ("simple",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.target: Optional[NodeNG] = None + """What is being assigned to.""" + + self.annotation: Optional[NodeNG] = None + """The type annotation of what is being assigned to.""" + + self.value: Optional[NodeNG] = None # can be None + """The value being assigned to the variables.""" + + self.simple: Optional[int] = None + """Whether :attr:`target` is a pure name or a complex statement.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + target: NodeNG, + annotation: NodeNG, + simple: int, + value: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param target: What is being assigned to. + + :param annotation: The type annotation of what is being assigned to. + + :param simple: Whether :attr:`target` is a pure name + or a complex statement. + + :param value: The value being assigned to the variables. + """ + self.target = target + self.annotation = annotation + self.value = value + self.simple = simple + + def get_children(self): + yield self.target + yield self.annotation + + if self.value is not None: + yield self.value + + +class AugAssign(mixins.AssignTypeMixin, Statement): + """Class representing an :class:`ast.AugAssign` node. + + An :class:`AugAssign` is an assignment paired with an operator. + + >>> node = astroid.extract_node('variable += 1') + >>> node + + """ + + _astroid_fields = ("target", "value") + _other_fields = ("op",) + + def __init__( + self, + op: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param op: The operator that is being combined with the assignment. + This includes the equals sign. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.target: Optional[NodeNG] = None + """What is being assigned to.""" + + self.op: Optional[str] = op + """The operator that is being combined with the assignment. + + This includes the equals sign. + """ + + self.value: Optional[NodeNG] = None + """The value being assigned to the variable.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, target: Optional[NodeNG] = None, value: Optional[NodeNG] = None + ) -> None: + """Do some setup after initialisation. + + :param target: What is being assigned to. + + :param value: The value being assigned to the variable. + """ + self.target = target + self.value = value + + # This is set by inference.py + def _infer_augassign(self, context=None): + raise NotImplementedError + + def type_errors(self, context=None): + """Get a list of type errors which can occur during inference. + + Each TypeError is represented by a :class:`BadBinaryOperationMessage` , + which holds the original exception. + + :returns: The list of possible type errors. + :rtype: list(BadBinaryOperationMessage) + """ + try: + results = self._infer_augassign(context=context) + return [ + result + for result in results + if isinstance(result, util.BadBinaryOperationMessage) + ] + except InferenceError: + return [] + + def get_children(self): + yield self.target + yield self.value + + def _get_yield_nodes_skip_lambdas(self): + """An AugAssign node can contain a Yield node in the value""" + yield from self.value._get_yield_nodes_skip_lambdas() + yield from super()._get_yield_nodes_skip_lambdas() + + +class BinOp(NodeNG): + """Class representing an :class:`ast.BinOp` node. + + A :class:`BinOp` node is an application of a binary operator. + + >>> node = astroid.extract_node('a + b') + >>> node + + """ + + _astroid_fields = ("left", "right") + _other_fields = ("op",) + + def __init__( + self, + op: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param op: The operator. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.left: Optional[NodeNG] = None + """What is being applied to the operator on the left side.""" + + self.op: Optional[str] = op + """The operator.""" + + self.right: Optional[NodeNG] = None + """What is being applied to the operator on the right side.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, left: Optional[NodeNG] = None, right: Optional[NodeNG] = None + ) -> None: + """Do some setup after initialisation. + + :param left: What is being applied to the operator on the left side. + + :param right: What is being applied to the operator on the right side. + """ + self.left = left + self.right = right + + # This is set by inference.py + def _infer_binop(self, context=None): + raise NotImplementedError + + def type_errors(self, context=None): + """Get a list of type errors which can occur during inference. + + Each TypeError is represented by a :class:`BadBinaryOperationMessage`, + which holds the original exception. + + :returns: The list of possible type errors. + :rtype: list(BadBinaryOperationMessage) + """ + try: + results = self._infer_binop(context=context) + return [ + result + for result in results + if isinstance(result, util.BadBinaryOperationMessage) + ] + except InferenceError: + return [] + + def get_children(self): + yield self.left + yield self.right + + def op_precedence(self): + return OP_PRECEDENCE[self.op] + + def op_left_associative(self): + # 2**3**4 == 2**(3**4) + return self.op != "**" + + +class BoolOp(NodeNG): + """Class representing an :class:`ast.BoolOp` node. + + A :class:`BoolOp` is an application of a boolean operator. + + >>> node = astroid.extract_node('a and b') + >>> node + + """ + + _astroid_fields = ("values",) + _other_fields = ("op",) + + def __init__( + self, + op: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param op: The operator. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.op: Optional[str] = op + """The operator.""" + + self.values: typing.List[NodeNG] = [] + """The values being applied to the operator.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, values: Optional[typing.List[NodeNG]] = None) -> None: + """Do some setup after initialisation. + + :param values: The values being applied to the operator. + """ + if values is not None: + self.values = values + + def get_children(self): + yield from self.values + + def op_precedence(self): + return OP_PRECEDENCE[self.op] + + +class Break(mixins.NoChildrenMixin, Statement): + """Class representing an :class:`ast.Break` node. + + >>> node = astroid.extract_node('break') + >>> node + + """ + + +class Call(NodeNG): + """Class representing an :class:`ast.Call` node. + + A :class:`Call` node is a call to a function, method, etc. + + >>> node = astroid.extract_node('function()') + >>> node + + """ + + _astroid_fields = ("func", "args", "keywords") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.func: Optional[NodeNG] = None + """What is being called.""" + + self.args: typing.List[NodeNG] = [] + """The positional arguments being given to the call.""" + + self.keywords: typing.List["Keyword"] = [] + """The keyword arguments being given to the call.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + func: Optional[NodeNG] = None, + args: Optional[typing.List[NodeNG]] = None, + keywords: Optional[typing.List["Keyword"]] = None, + ) -> None: + """Do some setup after initialisation. + + :param func: What is being called. + + :param args: The positional arguments being given to the call. + + :param keywords: The keyword arguments being given to the call. + """ + self.func = func + if args is not None: + self.args = args + if keywords is not None: + self.keywords = keywords + + @property + def starargs(self) -> typing.List["Starred"]: + """The positional arguments that unpack something.""" + return [arg for arg in self.args if isinstance(arg, Starred)] + + @property + def kwargs(self) -> typing.List["Keyword"]: + """The keyword arguments that unpack something.""" + return [keyword for keyword in self.keywords if keyword.arg is None] + + def get_children(self): + yield self.func + + yield from self.args + + yield from self.keywords + + +class Compare(NodeNG): + """Class representing an :class:`ast.Compare` node. + + A :class:`Compare` node indicates a comparison. + + >>> node = astroid.extract_node('a <= b <= c') + >>> node + + >>> node.ops + [('<=', ), ('<=', )] + """ + + _astroid_fields = ("left", "ops") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.left: Optional[NodeNG] = None + """The value at the left being applied to a comparison operator.""" + + self.ops: typing.List[typing.Tuple[str, NodeNG]] = [] + """The remainder of the operators and their relevant right hand value.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + left: Optional[NodeNG] = None, + ops: Optional[typing.List[typing.Tuple[str, NodeNG]]] = None, + ) -> None: + """Do some setup after initialisation. + + :param left: The value at the left being applied to a comparison + operator. + + :param ops: The remainder of the operators + and their relevant right hand value. + """ + self.left = left + if ops is not None: + self.ops = ops + + def get_children(self): + """Get the child nodes below this node. + + Overridden to handle the tuple fields and skip returning the operator + strings. + + :returns: The children. + :rtype: iterable(NodeNG) + """ + yield self.left + for _, comparator in self.ops: + yield comparator # we don't want the 'op' + + def last_child(self): + """An optimized version of list(get_children())[-1] + + :returns: The last child. + :rtype: NodeNG + """ + # XXX maybe if self.ops: + return self.ops[-1][1] + # return self.left + + +class Comprehension(NodeNG): + """Class representing an :class:`ast.comprehension` node. + + A :class:`Comprehension` indicates the loop inside any type of + comprehension including generator expressions. + + >>> node = astroid.extract_node('[x for x in some_values]') + >>> list(node.get_children()) + [, ] + >>> list(node.get_children())[1].as_string() + 'for x in some_values' + """ + + _astroid_fields = ("target", "iter", "ifs") + _other_fields = ("is_async",) + + optional_assign = True + """Whether this node optionally assigns a variable.""" + + def __init__(self, parent: Optional[NodeNG] = None) -> None: + """ + :param parent: The parent node in the syntax tree. + """ + self.target: Optional[NodeNG] = None + """What is assigned to by the comprehension.""" + + self.iter: Optional[NodeNG] = None + """What is iterated over by the comprehension.""" + + self.ifs: typing.List[NodeNG] = [] + """The contents of any if statements that filter the comprehension.""" + + self.is_async: Optional[bool] = None + """Whether this is an asynchronous comprehension or not.""" + + super().__init__(parent=parent) + + # pylint: disable=redefined-builtin; same name as builtin ast module. + def postinit( + self, + target: Optional[NodeNG] = None, + iter: Optional[NodeNG] = None, + ifs: Optional[typing.List[NodeNG]] = None, + is_async: Optional[bool] = None, + ) -> None: + """Do some setup after initialisation. + + :param target: What is assigned to by the comprehension. + + :param iter: What is iterated over by the comprehension. + + :param ifs: The contents of any if statements that filter + the comprehension. + + :param is_async: Whether this is an asynchronous comprehension or not. + """ + self.target = target + self.iter = iter + if ifs is not None: + self.ifs = ifs + self.is_async = is_async + + def assign_type(self): + """The type of assignment that this node performs. + + :returns: The assignment type. + :rtype: NodeNG + """ + return self + + def _get_filtered_stmts(self, lookup_node, node, stmts, mystmt): + """method used in filter_stmts""" + if self is mystmt: + if isinstance(lookup_node, (Const, Name)): + return [lookup_node], True + + elif self.statement() is mystmt: + # original node's statement is the assignment, only keeps + # current node (gen exp, list comp) + + return [node], True + + return stmts, False + + def get_children(self): + yield self.target + yield self.iter + + yield from self.ifs + + +class Const(mixins.NoChildrenMixin, NodeNG, bases.Instance): + """Class representing any constant including num, str, bool, None, bytes. + + >>> node = astroid.extract_node('(5, "This is a string.", True, None, b"bytes")') + >>> node + + >>> list(node.get_children()) + [, + , + , + , + ] + """ + + _other_fields = ("value",) + + def __init__( + self, + value: typing.Any, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + kind: Optional[str] = None, + ) -> None: + """ + :param value: The value that the constant represents. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + + :param kind: The string prefix. "u" for u-prefixed strings and ``None`` otherwise. Python 3.8+ only. + """ + self.value: typing.Any = value + """The value that the constant represents.""" + + self.kind: Optional[str] = kind # can be None + """"The string prefix. "u" for u-prefixed strings and ``None`` otherwise. Python 3.8+ only.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def __getattr__(self, name): + # This is needed because of Proxy's __getattr__ method. + # Calling object.__new__ on this class without calling + # __init__ would result in an infinite loop otherwise + # since __getattr__ is called when an attribute doesn't + # exist and self._proxied indirectly calls self.value + # and Proxy __getattr__ calls self.value + if name == "value": + raise AttributeError + return super().__getattr__(name) + + def getitem(self, index, context=None): + """Get an item from this node if subscriptable. + + :param index: The node to use as a subscript index. + :type index: Const or Slice + + :raises AstroidTypeError: When the given index cannot be used as a + subscript index, or if this node is not subscriptable. + """ + if isinstance(index, Const): + index_value = index.value + elif isinstance(index, Slice): + index_value = _infer_slice(index, context=context) + + else: + raise AstroidTypeError( + f"Could not use type {type(index)} as subscript index" + ) + + try: + if isinstance(self.value, (str, bytes)): + return Const(self.value[index_value]) + except IndexError as exc: + raise AstroidIndexError( + message="Index {index!r} out of range", + node=self, + index=index, + context=context, + ) from exc + except TypeError as exc: + raise AstroidTypeError( + message="Type error {error!r}", node=self, index=index, context=context + ) from exc + + raise AstroidTypeError(f"{self!r} (value={self.value})") + + def has_dynamic_getattr(self): + """Check if the node has a custom __getattr__ or __getattribute__. + + :returns: True if the class has a custom + __getattr__ or __getattribute__, False otherwise. + For a :class:`Const` this is always ``False``. + :rtype: bool + """ + return False + + def itered(self): + """An iterator over the elements this node contains. + + :returns: The contents of this node. + :rtype: iterable(Const) + + :raises TypeError: If this node does not represent something that is iterable. + """ + if isinstance(self.value, str): + return [const_factory(elem) for elem in self.value] + raise TypeError(f"Cannot iterate over type {type(self.value)!r}") + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return self._proxied.qname() + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + :rtype: bool + """ + return bool(self.value) + + +class Continue(mixins.NoChildrenMixin, Statement): + """Class representing an :class:`ast.Continue` node. + + >>> node = astroid.extract_node('continue') + >>> node + + """ + + +class Decorators(NodeNG): + """A node representing a list of decorators. + + A :class:`Decorators` is the decorators that are applied to + a method or function. + + >>> node = astroid.extract_node(''' + @property + def my_property(self): + return 3 + ''') + >>> node + + >>> list(node.get_children())[0] + + """ + + _astroid_fields = ("nodes",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.nodes: typing.List[NodeNG] + """The decorators that this node contains. + + :type: list(Name or Call) or None + """ + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, nodes: typing.List[NodeNG]) -> None: + """Do some setup after initialisation. + + :param nodes: The decorators that this node contains. + :type nodes: list(Name or Call) + """ + self.nodes = nodes + + def scope(self): + """The first parent node defining a new scope. + + :returns: The first parent scope node. + :rtype: Module or FunctionDef or ClassDef or Lambda or GenExpr + """ + # skip the function node to go directly to the upper level scope + return self.parent.parent.scope() + + def get_children(self): + yield from self.nodes + + +class DelAttr(mixins.ParentAssignTypeMixin, NodeNG): + """Variation of :class:`ast.Delete` representing deletion of an attribute. + + >>> node = astroid.extract_node('del self.attr') + >>> node + + >>> list(node.get_children())[0] + + """ + + _astroid_fields = ("expr",) + _other_fields = ("attrname",) + + def __init__( + self, + attrname: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param attrname: The name of the attribute that is being deleted. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.expr: Optional[NodeNG] = None + """The name that this node represents. + + :type: Name or None + """ + + self.attrname: Optional[str] = attrname + """The name of the attribute that is being deleted.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, expr: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param expr: The name that this node represents. + :type expr: Name or None + """ + self.expr = expr + + def get_children(self): + yield self.expr + + +class Delete(mixins.AssignTypeMixin, Statement): + """Class representing an :class:`ast.Delete` node. + + A :class:`Delete` is a ``del`` statement this is deleting something. + + >>> node = astroid.extract_node('del self.attr') + >>> node + + """ + + _astroid_fields = ("targets",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.targets: typing.List[NodeNG] = [] + """What is being deleted.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, targets: Optional[typing.List[NodeNG]] = None) -> None: + """Do some setup after initialisation. + + :param targets: What is being deleted. + """ + if targets is not None: + self.targets = targets + + def get_children(self): + yield from self.targets + + +class Dict(NodeNG, bases.Instance): + """Class representing an :class:`ast.Dict` node. + + A :class:`Dict` is a dictionary that is created with ``{}`` syntax. + + >>> node = astroid.extract_node('{1: "1"}') + >>> node + + """ + + _astroid_fields = ("items",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.items: typing.List[typing.Tuple[NodeNG, NodeNG]] = [] + """The key-value pairs contained in the dictionary.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, items: typing.List[typing.Tuple[NodeNG, NodeNG]]) -> None: + """Do some setup after initialisation. + + :param items: The key-value pairs contained in the dictionary. + """ + self.items = items + + @classmethod + def from_elements(cls, items=None): + """Create a :class:`Dict` of constants from a live dictionary. + + :param items: The items to store in the node. + :type items: dict + + :returns: The created dictionary node. + :rtype: Dict + """ + node = cls() + if items is None: + node.items = [] + else: + node.items = [ + (const_factory(k), const_factory(v) if _is_const(v) else v) + for k, v in items.items() + # The keys need to be constants + if _is_const(k) + ] + return node + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.dict" % BUILTINS + + def get_children(self): + """Get the key and value nodes below this node. + + Children are returned in the order that they are defined in the source + code, key first then the value. + + :returns: The children. + :rtype: iterable(NodeNG) + """ + for key, value in self.items: + yield key + yield value + + def last_child(self): + """An optimized version of list(get_children())[-1] + + :returns: The last child, or None if no children exist. + :rtype: NodeNG or None + """ + if self.items: + return self.items[-1][1] + return None + + def itered(self): + """An iterator over the keys this node contains. + + :returns: The keys of this node. + :rtype: iterable(NodeNG) + """ + return [key for (key, _) in self.items] + + def getitem(self, index, context=None): + """Get an item from this node. + + :param index: The node to use as a subscript index. + :type index: Const or Slice + + :raises AstroidTypeError: When the given index cannot be used as a + subscript index, or if this node is not subscriptable. + :raises AstroidIndexError: If the given index does not exist in the + dictionary. + """ + for key, value in self.items: + # TODO(cpopa): no support for overriding yet, {1:2, **{1: 3}}. + if isinstance(key, DictUnpack): + try: + return value.getitem(index, context) + except (AstroidTypeError, AstroidIndexError): + continue + for inferredkey in key.infer(context): + if inferredkey is util.Uninferable: + continue + if isinstance(inferredkey, Const) and isinstance(index, Const): + if inferredkey.value == index.value: + return value + + raise AstroidIndexError(index) + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + :rtype: bool + """ + return bool(self.items) + + +class Expr(Statement): + """Class representing an :class:`ast.Expr` node. + + An :class:`Expr` is any expression that does not have its value used or + stored. + + >>> node = astroid.extract_node('method()') + >>> node + + >>> node.parent + + """ + + _astroid_fields = ("value",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None + """What the expression does.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: What the expression does. + """ + self.value = value + + def get_children(self): + yield self.value + + def _get_yield_nodes_skip_lambdas(self): + if not self.value.is_lambda: + yield from self.value._get_yield_nodes_skip_lambdas() + + +class Ellipsis(mixins.NoChildrenMixin, NodeNG): # pylint: disable=redefined-builtin + """Class representing an :class:`ast.Ellipsis` node. + + An :class:`Ellipsis` is the ``...`` syntax. + + Deprecated since v2.6.0 - Use :class:`Const` instead. + Will be removed with the release v2.7.0 + """ + + +class EmptyNode(mixins.NoChildrenMixin, NodeNG): + """Holds an arbitrary object in the :attr:`LocalsDictNodeNG.locals`.""" + + object = None + + +class ExceptHandler(mixins.MultiLineBlockMixin, mixins.AssignTypeMixin, Statement): + """Class representing an :class:`ast.ExceptHandler`. node. + + An :class:`ExceptHandler` is an ``except`` block on a try-except. + + >>> node = astroid.extract_node(''' + try: + do_something() + except Exception as error: + print("Error!") + ''') + >>> node + + >>> >>> node.handlers + [] + """ + + _astroid_fields = ("type", "name", "body") + _multi_line_block_fields = ("body",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.type: Optional[NodeNG] = None # can be None + """The types that the block handles. + + :type: Tuple or NodeNG or None + """ + + self.name: Optional[AssignName] = None # can be None + """The name that the caught exception is assigned to.""" + + self.body: typing.List[NodeNG] = [] + """The contents of the block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def get_children(self): + if self.type is not None: + yield self.type + + if self.name is not None: + yield self.name + + yield from self.body + + # pylint: disable=redefined-builtin; had to use the same name as builtin ast module. + def postinit( + self, + type: Optional[NodeNG] = None, + name: Optional[AssignName] = None, + body: Optional[typing.List[NodeNG]] = None, + ) -> None: + """Do some setup after initialisation. + + :param type: The types that the block handles. + :type type: Tuple or NodeNG or None + + :param name: The name that the caught exception is assigned to. + + :param body:The contents of the block. + """ + self.type = type + self.name = name + if body is not None: + self.body = body + + @decorators.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + if self.name: + return self.name.tolineno + if self.type: + return self.type.tolineno + return self.lineno + + def catch(self, exceptions: Optional[typing.List[str]]) -> bool: + """Check if this node handles any of the given + + :param exceptions: The names of the exceptions to check for. + """ + if self.type is None or exceptions is None: + return True + for node in self.type._get_name_nodes(): + if node.name in exceptions: + return True + return False + + +class ExtSlice(NodeNG): + """Class representing an :class:`ast.ExtSlice` node. + + An :class:`ExtSlice` is a complex slice expression. + + Deprecated since v2.6.0 - Now part of the :class:`Subscript` node. + Will be removed with the release of v2.7.0 + """ + + +class For( + mixins.MultiLineBlockMixin, + mixins.BlockRangeMixIn, + mixins.AssignTypeMixin, + Statement, +): + """Class representing an :class:`ast.For` node. + + >>> node = astroid.extract_node('for thing in things: print(thing)') + >>> node + + """ + + _astroid_fields = ("target", "iter", "body", "orelse") + _other_other_fields = ("type_annotation",) + _multi_line_block_fields = ("body", "orelse") + + optional_assign = True + """Whether this node optionally assigns a variable. + + This is always ``True`` for :class:`For` nodes. + """ + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.target: Optional[NodeNG] = None + """What the loop assigns to.""" + + self.iter: Optional[NodeNG] = None + """What the loop iterates over.""" + + self.body: typing.List[NodeNG] = [] + """The contents of the body of the loop.""" + + self.orelse: typing.List[NodeNG] = [] + """The contents of the ``else`` block of the loop.""" + + self.type_annotation: Optional[NodeNG] = None # can be None + """If present, this will contain the type annotation passed by a type comment""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + # pylint: disable=redefined-builtin; had to use the same name as builtin ast module. + def postinit( + self, + target: Optional[NodeNG] = None, + iter: Optional[NodeNG] = None, + body: Optional[typing.List[NodeNG]] = None, + orelse: Optional[typing.List[NodeNG]] = None, + type_annotation: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param target: What the loop assigns to. + + :param iter: What the loop iterates over. + + :param body: The contents of the body of the loop. + + :param orelse: The contents of the ``else`` block of the loop. + """ + self.target = target + self.iter = iter + if body is not None: + self.body = body + if orelse is not None: + self.orelse = orelse + self.type_annotation = type_annotation + + @decorators.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + return self.iter.tolineno + + def get_children(self): + yield self.target + yield self.iter + + yield from self.body + yield from self.orelse + + +class AsyncFor(For): + """Class representing an :class:`ast.AsyncFor` node. + + An :class:`AsyncFor` is an asynchronous :class:`For` built with + the ``async`` keyword. + + >>> node = astroid.extract_node(''' + async def func(things): + async for thing in things: + print(thing) + ''') + >>> node + + >>> node.body[0] + + """ + + +class Await(NodeNG): + """Class representing an :class:`ast.Await` node. + + An :class:`Await` is the ``await`` keyword. + + >>> node = astroid.extract_node(''' + async def func(things): + await other_func() + ''') + >>> node + + >>> node.body[0] + + >>> list(node.body[0].get_children())[0] + + """ + + _astroid_fields = ("value",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None + """What to wait for.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: What to wait for. + """ + self.value = value + + def get_children(self): + yield self.value + + +class ImportFrom(mixins.NoChildrenMixin, mixins.ImportFromMixin, Statement): + """Class representing an :class:`ast.ImportFrom` node. + + >>> node = astroid.extract_node('from my_package import my_module') + >>> node + + """ + + _other_fields = ("modname", "names", "level") + + def __init__( + self, + fromname: Optional[str], + names: typing.List[typing.Tuple[str, Optional[str]]], + level: Optional[int] = 0, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param fromname: The module that is being imported from. + + :param names: What is being imported from the module. + + :param level: The level of relative import. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.modname: Optional[str] = fromname # can be None + """The module that is being imported from. + + This is ``None`` for relative imports. + """ + + self.names: typing.List[typing.Tuple[str, Optional[str]]] = names + """What is being imported from the module. + + Each entry is a :class:`tuple` of the name being imported, + and the alias that the name is assigned to (if any). + """ + + # TODO When is 'level' None? + self.level: Optional[int] = level # can be None + """The level of relative import. + + Essentially this is the number of dots in the import. + This is always 0 for absolute imports. + """ + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + +class Attribute(NodeNG): + """Class representing an :class:`ast.Attribute` node.""" + + _astroid_fields = ("expr",) + _other_fields = ("attrname",) + + def __init__( + self, + attrname: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param attrname: The name of the attribute. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.expr: Optional[NodeNG] = None + """The name that this node represents. + + :type: Name or None + """ + + self.attrname: Optional[str] = attrname + """The name of the attribute.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, expr: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param expr: The name that this node represents. + :type expr: Name or None + """ + self.expr = expr + + def get_children(self): + yield self.expr + + +class Global(mixins.NoChildrenMixin, Statement): + """Class representing an :class:`ast.Global` node. + + >>> node = astroid.extract_node('global a_global') + >>> node + + """ + + _other_fields = ("names",) + + def __init__( + self, + names: typing.List[str], + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param names: The names being declared as global. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.names: typing.List[str] = names + """The names being declared as global.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def _infer_name(self, frame, name): + return name + + +class If(mixins.MultiLineBlockMixin, mixins.BlockRangeMixIn, Statement): + """Class representing an :class:`ast.If` node. + + >>> node = astroid.extract_node('if condition: print(True)') + >>> node + + """ + + _astroid_fields = ("test", "body", "orelse") + _multi_line_block_fields = ("body", "orelse") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.test: Optional[NodeNG] = None + """The condition that the statement tests.""" + + self.body: typing.List[NodeNG] = [] + """The contents of the block.""" + + self.orelse: typing.List[NodeNG] = [] + """The contents of the ``else`` block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + test: Optional[NodeNG] = None, + body: Optional[typing.List[NodeNG]] = None, + orelse: Optional[typing.List[NodeNG]] = None, + ) -> None: + """Do some setup after initialisation. + + :param test: The condition that the statement tests. + + :param body: The contents of the block. + + :param orelse: The contents of the ``else`` block. + """ + self.test = test + if body is not None: + self.body = body + if orelse is not None: + self.orelse = orelse + + @decorators.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + return self.test.tolineno + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: The line number to start the range at. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + starting at the given line number. + :rtype: tuple(int, int) + """ + if lineno == self.body[0].fromlineno: + return lineno, lineno + if lineno <= self.body[-1].tolineno: + return lineno, self.body[-1].tolineno + return self._elsed_block_range(lineno, self.orelse, self.body[0].fromlineno - 1) + + def get_children(self): + yield self.test + + yield from self.body + yield from self.orelse + + def has_elif_block(self): + return len(self.orelse) == 1 and isinstance(self.orelse[0], If) + + def _get_yield_nodes_skip_lambdas(self): + """An If node can contain a Yield node in the test""" + yield from self.test._get_yield_nodes_skip_lambdas() + yield from super()._get_yield_nodes_skip_lambdas() + + def is_sys_guard(self) -> bool: + """Return True if IF stmt is a sys.version_info guard. + + >>> node = astroid.extract_node(''' + import sys + if sys.version_info > (3, 8): + from typing import Literal + else: + from typing_extensions import Literal + ''') + >>> node.is_sys_guard() + True + """ + if isinstance(self.test, Compare): + value = self.test.left + if isinstance(value, Subscript): + value = value.value + if isinstance(value, Attribute) and value.as_string() == "sys.version_info": + return True + + return False + + def is_typing_guard(self) -> bool: + """Return True if IF stmt is a typing guard. + + >>> node = astroid.extract_node(''' + from typing import TYPE_CHECKING + if TYPE_CHECKING: + from xyz import a + ''') + >>> node.is_typing_guard() + True + """ + return isinstance( + self.test, (Name, Attribute) + ) and self.test.as_string().endswith("TYPE_CHECKING") + + +class IfExp(NodeNG): + """Class representing an :class:`ast.IfExp` node. + + >>> node = astroid.extract_node('value if condition else other') + >>> node + + """ + + _astroid_fields = ("test", "body", "orelse") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.test: Optional[NodeNG] = None + """The condition that the statement tests.""" + + self.body: Optional[NodeNG] = None + """The contents of the block.""" + + self.orelse: Optional[NodeNG] = None + """The contents of the ``else`` block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + test: Optional[NodeNG] = None, + body: Optional[NodeNG] = None, + orelse: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param test: The condition that the statement tests. + + :param body: The contents of the block. + + :param orelse: The contents of the ``else`` block. + """ + self.test = test + self.body = body + self.orelse = orelse + + def get_children(self): + yield self.test + yield self.body + yield self.orelse + + def op_left_associative(self): + # `1 if True else 2 if False else 3` is parsed as + # `1 if True else (2 if False else 3)` + return False + + +class Import(mixins.NoChildrenMixin, mixins.ImportFromMixin, Statement): + """Class representing an :class:`ast.Import` node. + + >>> node = astroid.extract_node('import astroid') + >>> node + + """ + + _other_fields = ("names",) + + def __init__( + self, + names: Optional[typing.List[typing.Tuple[str, Optional[str]]]] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param names: The names being imported. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.names: typing.List[typing.Tuple[str, Optional[str]]] = names or [] + """The names being imported. + + Each entry is a :class:`tuple` of the name being imported, + and the alias that the name is assigned to (if any). + """ + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + +class Index(NodeNG): + """Class representing an :class:`ast.Index` node. + + An :class:`Index` is a simple subscript. + + Deprecated since v2.6.0 - Now part of the :class:`Subscript` node. + Will be removed with the release of v2.7.0 + """ + + +class Keyword(NodeNG): + """Class representing an :class:`ast.keyword` node. + + >>> node = astroid.extract_node('function(a_kwarg=True)') + >>> node + + >>> node.keywords + [] + """ + + _astroid_fields = ("value",) + _other_fields = ("arg",) + + def __init__( + self, + arg: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param arg: The argument being assigned to. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.arg: Optional[str] = arg # can be None + """The argument being assigned to.""" + + self.value: Optional[NodeNG] = None + """The value being assigned to the keyword argument.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: The value being assigned to the ketword argument. + """ + self.value = value + + def get_children(self): + yield self.value + + +class List(_BaseContainer): + """Class representing an :class:`ast.List` node. + + >>> node = astroid.extract_node('[1, 2, 3]') + >>> node + + """ + + _other_fields = ("ctx",) + + def __init__( + self, + ctx: Optional[Context] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param ctx: Whether the list is assigned to or loaded from. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.ctx: Optional[Context] = ctx + """Whether the list is assigned to or loaded from.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.list" % BUILTINS + + def getitem(self, index, context=None): + """Get an item from this node. + + :param index: The node to use as a subscript index. + :type index: Const or Slice + """ + return _container_getitem(self, self.elts, index, context=context) + + +class Nonlocal(mixins.NoChildrenMixin, Statement): + """Class representing an :class:`ast.Nonlocal` node. + + >>> node = astroid.extract_node(''' + def function(): + nonlocal var + ''') + >>> node + + >>> node.body[0] + + """ + + _other_fields = ("names",) + + def __init__( + self, + names: typing.List[str], + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param names: The names being declared as not local. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.names: typing.List[str] = names + """The names being declared as not local.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def _infer_name(self, frame, name): + return name + + +class Pass(mixins.NoChildrenMixin, Statement): + """Class representing an :class:`ast.Pass` node. + + >>> node = astroid.extract_node('pass') + >>> node + + """ + + +class Raise(Statement): + """Class representing an :class:`ast.Raise` node. + + >>> node = astroid.extract_node('raise RuntimeError("Something bad happened!")') + >>> node + + """ + + _astroid_fields = ("exc", "cause") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.exc: Optional[NodeNG] = None # can be None + """What is being raised.""" + + self.cause: Optional[NodeNG] = None # can be None + """The exception being used to raise this one.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + exc: Optional[NodeNG] = None, + cause: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param exc: What is being raised. + + :param cause: The exception being used to raise this one. + """ + self.exc = exc + self.cause = cause + + def raises_not_implemented(self): + """Check if this node raises a :class:`NotImplementedError`. + + :returns: True if this node raises a :class:`NotImplementedError`, + False otherwise. + :rtype: bool + """ + if not self.exc: + return False + for name in self.exc._get_name_nodes(): + if name.name == "NotImplementedError": + return True + return False + + def get_children(self): + if self.exc is not None: + yield self.exc + + if self.cause is not None: + yield self.cause + + +class Return(Statement): + """Class representing an :class:`ast.Return` node. + + >>> node = astroid.extract_node('return True') + >>> node + + """ + + _astroid_fields = ("value",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None # can be None + """The value being returned.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: The value being returned. + """ + self.value = value + + def get_children(self): + if self.value is not None: + yield self.value + + def is_tuple_return(self): + return isinstance(self.value, Tuple) + + def _get_return_nodes_skip_functions(self): + yield self + + +class Set(_BaseContainer): + """Class representing an :class:`ast.Set` node. + + >>> node = astroid.extract_node('{1, 2, 3}') + >>> node + + """ + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.set" % BUILTINS + + +class Slice(NodeNG): + """Class representing an :class:`ast.Slice` node. + + >>> node = astroid.extract_node('things[1:3]') + >>> node + + >>> node.slice + + """ + + _astroid_fields = ("lower", "upper", "step") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.lower: Optional[NodeNG] = None # can be None + """The lower index in the slice.""" + + self.upper: Optional[NodeNG] = None # can be None + """The upper index in the slice.""" + + self.step: Optional[NodeNG] = None # can be None + """The step to take between indexes.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + lower: Optional[NodeNG] = None, + upper: Optional[NodeNG] = None, + step: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param lower: The lower index in the slice. + + :param upper: The upper index in the slice. + + :param step: The step to take between index. + """ + self.lower = lower + self.upper = upper + self.step = step + + def _wrap_attribute(self, attr): + """Wrap the empty attributes of the Slice in a Const node.""" + if not attr: + const = const_factory(attr) + const.parent = self + return const + return attr + + @decorators.cachedproperty + def _proxied(self): + builtins = AstroidManager().builtins_module + return builtins.getattr("slice")[0] + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.slice" % BUILTINS + + def igetattr(self, attrname, context=None): + """Infer the possible values of the given attribute on the slice. + + :param attrname: The name of the attribute to infer. + :type attrname: str + + :returns: The inferred possible values. + :rtype: iterable(NodeNG) + """ + if attrname == "start": + yield self._wrap_attribute(self.lower) + elif attrname == "stop": + yield self._wrap_attribute(self.upper) + elif attrname == "step": + yield self._wrap_attribute(self.step) + else: + yield from self.getattr(attrname, context=context) + + def getattr(self, attrname, context=None): + return self._proxied.getattr(attrname, context) + + def get_children(self): + if self.lower is not None: + yield self.lower + + if self.upper is not None: + yield self.upper + + if self.step is not None: + yield self.step + + +class Starred(mixins.ParentAssignTypeMixin, NodeNG): + """Class representing an :class:`ast.Starred` node. + + >>> node = astroid.extract_node('*args') + >>> node + + """ + + _astroid_fields = ("value",) + _other_fields = ("ctx",) + + def __init__( + self, + ctx: Optional[Context] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param ctx: Whether the list is assigned to or loaded from. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None + """What is being unpacked.""" + + self.ctx: Optional[Context] = ctx + """Whether the starred item is assigned to or loaded from.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: What is being unpacked. + """ + self.value = value + + def get_children(self): + yield self.value + + +class Subscript(NodeNG): + """Class representing an :class:`ast.Subscript` node. + + >>> node = astroid.extract_node('things[1:3]') + >>> node + + """ + + _astroid_fields = ("value", "slice") + _other_fields = ("ctx",) + + def __init__( + self, + ctx: Optional[Context] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param ctx: Whether the subscripted item is assigned to or loaded from. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None + """What is being indexed.""" + + self.slice: Optional[NodeNG] = None + """The slice being used to lookup.""" + + self.ctx: Optional[Context] = ctx + """Whether the subscripted item is assigned to or loaded from.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + # pylint: disable=redefined-builtin; had to use the same name as builtin ast module. + def postinit( + self, value: Optional[NodeNG] = None, slice: Optional[NodeNG] = None + ) -> None: + """Do some setup after initialisation. + + :param value: What is being indexed. + + :param slice: The slice being used to lookup. + """ + self.value = value + self.slice = slice + + def get_children(self): + yield self.value + yield self.slice + + +class TryExcept(mixins.MultiLineBlockMixin, mixins.BlockRangeMixIn, Statement): + """Class representing an :class:`ast.TryExcept` node. + + >>> node = astroid.extract_node(''' + try: + do_something() + except Exception as error: + print("Error!") + ''') + >>> node + + """ + + _astroid_fields = ("body", "handlers", "orelse") + _multi_line_block_fields = ("body", "handlers", "orelse") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.body: typing.List[NodeNG] = [] + """The contents of the block to catch exceptions from.""" + + self.handlers: typing.List[ExceptHandler] = [] + """The exception handlers.""" + + self.orelse: typing.List[NodeNG] = [] + """The contents of the ``else`` block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + body: Optional[typing.List[NodeNG]] = None, + handlers: Optional[typing.List[ExceptHandler]] = None, + orelse: Optional[typing.List[NodeNG]] = None, + ) -> None: + """Do some setup after initialisation. + + :param body: The contents of the block to catch exceptions from. + + :param handlers: The exception handlers. + + :param orelse: The contents of the ``else`` block. + """ + if body is not None: + self.body = body + if handlers is not None: + self.handlers = handlers + if orelse is not None: + self.orelse = orelse + + def _infer_name(self, frame, name): + return name + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: The line number to start the range at. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + starting at the given line number. + :rtype: tuple(int, int) + """ + last = None + for exhandler in self.handlers: + if exhandler.type and lineno == exhandler.type.fromlineno: + return lineno, lineno + if exhandler.body[0].fromlineno <= lineno <= exhandler.body[-1].tolineno: + return lineno, exhandler.body[-1].tolineno + if last is None: + last = exhandler.body[0].fromlineno - 1 + return self._elsed_block_range(lineno, self.orelse, last) + + def get_children(self): + yield from self.body + + yield from self.handlers or () + yield from self.orelse or () + + +class TryFinally(mixins.MultiLineBlockMixin, mixins.BlockRangeMixIn, Statement): + """Class representing an :class:`ast.TryFinally` node. + + >>> node = astroid.extract_node(''' + try: + do_something() + except Exception as error: + print("Error!") + finally: + print("Cleanup!") + ''') + >>> node + + """ + + _astroid_fields = ("body", "finalbody") + _multi_line_block_fields = ("body", "finalbody") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.body: typing.Union[typing.List[TryExcept], typing.List[NodeNG]] = [] + """The try-except that the finally is attached to.""" + + self.finalbody: typing.List[NodeNG] = [] + """The contents of the ``finally`` block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + body: typing.Union[typing.List[TryExcept], typing.List[NodeNG], None] = None, + finalbody: Optional[typing.List[NodeNG]] = None, + ) -> None: + """Do some setup after initialisation. + + :param body: The try-except that the finally is attached to. + + :param finalbody: The contents of the ``finally`` block. + """ + if body is not None: + self.body = body + if finalbody is not None: + self.finalbody = finalbody + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: The line number to start the range at. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + starting at the given line number. + :rtype: tuple(int, int) + """ + child = self.body[0] + # py2.5 try: except: finally: + if ( + isinstance(child, TryExcept) + and child.fromlineno == self.fromlineno + and child.tolineno >= lineno > self.fromlineno + ): + return child.block_range(lineno) + return self._elsed_block_range(lineno, self.finalbody) + + def get_children(self): + yield from self.body + yield from self.finalbody + + +class Tuple(_BaseContainer): + """Class representing an :class:`ast.Tuple` node. + + >>> node = astroid.extract_node('(1, 2, 3)') + >>> node + + """ + + _other_fields = ("ctx",) + + def __init__( + self, + ctx: Optional[Context] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param ctx: Whether the tuple is assigned to or loaded from. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.ctx: Optional[Context] = ctx + """Whether the tuple is assigned to or loaded from.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.tuple" % BUILTINS + + def getitem(self, index, context=None): + """Get an item from this node. + + :param index: The node to use as a subscript index. + :type index: Const or Slice + """ + return _container_getitem(self, self.elts, index, context=context) + + +class UnaryOp(NodeNG): + """Class representing an :class:`ast.UnaryOp` node. + + >>> node = astroid.extract_node('-5') + >>> node + + """ + + _astroid_fields = ("operand",) + _other_fields = ("op",) + + def __init__( + self, + op: Optional[str] = None, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param op: The operator. + + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.op: Optional[str] = op + """The operator.""" + + self.operand: Optional[NodeNG] = None + """What the unary operator is applied to.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, operand: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param operand: What the unary operator is applied to. + """ + self.operand = operand + + # This is set by inference.py + def _infer_unaryop(self, context=None): + raise NotImplementedError + + def type_errors(self, context=None): + """Get a list of type errors which can occur during inference. + + Each TypeError is represented by a :class:`BadBinaryOperationMessage`, + which holds the original exception. + + :returns: The list of possible type errors. + :rtype: list(BadBinaryOperationMessage) + """ + try: + results = self._infer_unaryop(context=context) + return [ + result + for result in results + if isinstance(result, util.BadUnaryOperationMessage) + ] + except InferenceError: + return [] + + def get_children(self): + yield self.operand + + def op_precedence(self): + if self.op == "not": + return OP_PRECEDENCE[self.op] + + return super().op_precedence() + + +class While(mixins.MultiLineBlockMixin, mixins.BlockRangeMixIn, Statement): + """Class representing an :class:`ast.While` node. + + >>> node = astroid.extract_node(''' + while condition(): + print("True") + ''') + >>> node + + """ + + _astroid_fields = ("test", "body", "orelse") + _multi_line_block_fields = ("body", "orelse") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.test: Optional[NodeNG] = None + """The condition that the loop tests.""" + + self.body: typing.List[NodeNG] = [] + """The contents of the loop.""" + + self.orelse: typing.List[NodeNG] = [] + """The contents of the ``else`` block.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + test: Optional[NodeNG] = None, + body: Optional[typing.List[NodeNG]] = None, + orelse: Optional[typing.List[NodeNG]] = None, + ) -> None: + """Do some setup after initialisation. + + :param test: The condition that the loop tests. + + :param body: The contents of the loop. + + :param orelse: The contents of the ``else`` block. + """ + self.test = test + if body is not None: + self.body = body + if orelse is not None: + self.orelse = orelse + + @decorators.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + return self.test.tolineno + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: The line number to start the range at. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + starting at the given line number. + :rtype: tuple(int, int) + """ + return self._elsed_block_range(lineno, self.orelse) + + def get_children(self): + yield self.test + + yield from self.body + yield from self.orelse + + def _get_yield_nodes_skip_lambdas(self): + """A While node can contain a Yield node in the test""" + yield from self.test._get_yield_nodes_skip_lambdas() + yield from super()._get_yield_nodes_skip_lambdas() + + +class With( + mixins.MultiLineBlockMixin, + mixins.BlockRangeMixIn, + mixins.AssignTypeMixin, + Statement, +): + """Class representing an :class:`ast.With` node. + + >>> node = astroid.extract_node(''' + with open(file_path) as file_: + print(file_.read()) + ''') + >>> node + + """ + + _astroid_fields = ("items", "body") + _other_other_fields = ("type_annotation",) + _multi_line_block_fields = ("body",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.items: typing.List[typing.Tuple[NodeNG, Optional[NodeNG]]] = [] + """The pairs of context managers and the names they are assigned to.""" + + self.body: typing.List[NodeNG] = [] + """The contents of the ``with`` block.""" + + self.type_annotation: Optional[NodeNG] = None # can be None + """If present, this will contain the type annotation passed by a type comment""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + items: Optional[typing.List[typing.Tuple[NodeNG, Optional[NodeNG]]]] = None, + body: Optional[typing.List[NodeNG]] = None, + type_annotation: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param items: The pairs of context managers and the names + they are assigned to. + + :param body: The contents of the ``with`` block. + """ + if items is not None: + self.items = items + if body is not None: + self.body = body + self.type_annotation = type_annotation + + @decorators.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + return self.items[-1][0].tolineno + + def get_children(self): + """Get the child nodes below this node. + + :returns: The children. + :rtype: iterable(NodeNG) + """ + for expr, var in self.items: + yield expr + if var: + yield var + yield from self.body + + +class AsyncWith(With): + """Asynchronous ``with`` built with the ``async`` keyword.""" + + +class Yield(NodeNG): + """Class representing an :class:`ast.Yield` node. + + >>> node = astroid.extract_node('yield True') + >>> node + + """ + + _astroid_fields = ("value",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: Optional[NodeNG] = None # can be None + """The value to yield.""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, value: Optional[NodeNG] = None) -> None: + """Do some setup after initialisation. + + :param value: The value to yield. + """ + self.value = value + + def get_children(self): + if self.value is not None: + yield self.value + + def _get_yield_nodes_skip_lambdas(self): + yield self + + +class YieldFrom(Yield): # TODO value is required, not optional + """Class representing an :class:`ast.YieldFrom` node.""" + + +class DictUnpack(mixins.NoChildrenMixin, NodeNG): + """Represents the unpacking of dicts into dicts using :pep:`448`.""" + + +class FormattedValue(NodeNG): + """Class representing an :class:`ast.FormattedValue` node. + + Represents a :pep:`498` format string. + + >>> node = astroid.extract_node('f"Format {type_}"') + >>> node + + >>> node.values + [, ] + """ + + _astroid_fields = ("value", "format_spec") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.value: NodeNG + """The value to be formatted into the string.""" + + self.conversion: Optional[int] = None # can be None + """The type of formatting to be applied to the value. + + .. seealso:: + :class:`ast.FormattedValue` + """ + + self.format_spec: Optional[NodeNG] = None # can be None + """The formatting to be applied to the value. + + .. seealso:: + :class:`ast.FormattedValue` + + :type: JoinedStr or None + """ + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + value: NodeNG, + conversion: Optional[int] = None, + format_spec: Optional[NodeNG] = None, + ) -> None: + """Do some setup after initialisation. + + :param value: The value to be formatted into the string. + + :param conversion: The type of formatting to be applied to the value. + + :param format_spec: The formatting to be applied to the value. + :type format_spec: JoinedStr or None + """ + self.value = value + self.conversion = conversion + self.format_spec = format_spec + + def get_children(self): + yield self.value + + if self.format_spec is not None: + yield self.format_spec + + +class JoinedStr(NodeNG): + """Represents a list of string expressions to be joined. + + >>> node = astroid.extract_node('f"Format {type_}"') + >>> node + + """ + + _astroid_fields = ("values",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.values: typing.List[NodeNG] = [] + """The string expressions to be joined. + + :type: list(FormattedValue or Const) + """ + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, values: Optional[typing.List[NodeNG]] = None) -> None: + """Do some setup after initialisation. + + :param value: The string expressions to be joined. + + :type: list(FormattedValue or Const) + """ + if values is not None: + self.values = values + + def get_children(self): + yield from self.values + + +class NamedExpr(mixins.AssignTypeMixin, NodeNG): + """Represents the assignment from the assignment expression + + >>> module = astroid.parse('if a := 1: pass') + >>> module.body[0].test + + """ + + _astroid_fields = ("target", "value") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + """ + :param lineno: The line that this node appears on in the source code. + + :param col_offset: The column that this node appears on in the + source code. + + :param parent: The parent node in the syntax tree. + """ + self.target: NodeNG + """The assignment target + + :type: Name + """ + + self.value: NodeNG + """The value that gets assigned in the expression""" + + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, target: NodeNG, value: NodeNG) -> None: + self.target = target + self.value = value + + +class Unknown(mixins.AssignTypeMixin, NodeNG): + """This node represents a node in a constructed AST where + introspection is not possible. At the moment, it's only used in + the args attribute of FunctionDef nodes where function signature + introspection failed. + """ + + name = "Unknown" + + def qname(self): + return "Unknown" + + def infer(self, context=None, **kwargs): + """Inference on an Unknown node immediately terminates.""" + yield util.Uninferable + + +class EvaluatedObject(NodeNG): + """Contains an object that has already been inferred + + This class is useful to pre-evaluate a particular node, + with the resulting class acting as the non-evaluated node. + """ + + name = "EvaluatedObject" + _astroid_fields = ("original",) + _other_fields = ("value",) + + def __init__( + self, original: NodeNG, value: typing.Union[NodeNG, util.Uninferable] + ) -> None: + self.original: NodeNG = original + """The original node that has already been evaluated""" + + self.value: typing.Union[NodeNG, util.Uninferable] = value + """The inferred value""" + + super().__init__( + lineno=self.original.lineno, + col_offset=self.original.col_offset, + parent=self.original.parent, + ) + + def infer(self, context=None, **kwargs): + yield self.value + + +# Pattern matching ####################################################### + + +class Match(Statement): + """Class representing a :class:`ast.Match` node. + + >>> node = astroid.extract_node(''' + match x: + case 200: + ... + case _: + ... + ''') + >>> node + + """ + + _astroid_fields = ("subject", "cases") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.subject: NodeNG + self.cases: typing.List["MatchCase"] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + *, + subject: NodeNG, + cases: typing.List["MatchCase"], + ) -> None: + self.subject = subject + self.cases = cases + + +class Pattern(NodeNG): + """Base class for all Pattern nodes.""" + + +class MatchCase(mixins.MultiLineBlockMixin, NodeNG): + """Class representing a :class:`ast.match_case` node. + + >>> node = astroid.extract_node(''' + match x: + case 200: + ... + ''') + >>> node.cases[0] + + """ + + _astroid_fields = ("pattern", "guard", "body") + _multi_line_block_fields = ("body",) + + def __init__(self, *, parent: Optional[NodeNG] = None) -> None: + self.pattern: Pattern + self.guard: Optional[NodeNG] + self.body: typing.List[NodeNG] + super().__init__(parent=parent) + + def postinit( + self, + *, + pattern: Pattern, + guard: Optional[NodeNG], + body: typing.List[NodeNG], + ) -> None: + self.pattern = pattern + self.guard = guard + self.body = body + + +class MatchValue(Pattern): + """Class representing a :class:`ast.MatchValue` node. + + >>> node = astroid.extract_node(''' + match x: + case 200: + ... + ''') + >>> node.cases[0].pattern + + """ + + _astroid_fields = ("value",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.value: NodeNG + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, *, value: NodeNG) -> None: + self.value = value + + +class MatchSingleton(Pattern): + """Class representing a :class:`ast.MatchSingleton` node. + + >>> node = astroid.extract_node(''' + match x: + case True: + ... + case False: + ... + case None: + ... + ''') + >>> node.cases[0].pattern + + >>> node.cases[1].pattern + + >>> node.cases[2].pattern + + """ + + _other_fields = ("value",) + + def __init__( + self, + *, + value: Literal[True, False, None], + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.value: Literal[True, False, None] = value + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + +class MatchSequence(Pattern): + """Class representing a :class:`ast.MatchSequence` node. + + >>> node = astroid.extract_node(''' + match x: + case [1, 2]: + ... + case (1, 2, *_): + ... + ''') + >>> node.cases[0].pattern + + >>> node.cases[1].pattern + + """ + + _astroid_fields = ("patterns",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.patterns: typing.List[Pattern] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, *, patterns: typing.List[Pattern]) -> None: + self.patterns = patterns + + +class MatchMapping(mixins.AssignTypeMixin, Pattern): + """Class representing a :class:`ast.MatchMapping` node. + + >>> node = astroid.extract_node(''' + match x: + case {1: "Hello", 2: "World", 3: _, **rest}: + ... + ''') + >>> node.cases[0].pattern + + """ + + _astroid_fields = ("keys", "patterns", "rest") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.keys: typing.List[NodeNG] + self.patterns: typing.List[Pattern] + self.rest: Optional[AssignName] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + *, + keys: typing.List[NodeNG], + patterns: typing.List[Pattern], + rest: Optional[AssignName], + ) -> None: + self.keys = keys + self.patterns = patterns + self.rest = rest + + assigned_stmts: Callable[ + [ + "MatchMapping", + AssignName, + Optional[contextmod.InferenceContext], + Literal[None], + ], + Generator[NodeNG, None, None], + ] + + +class MatchClass(Pattern): + """Class representing a :class:`ast.MatchClass` node. + + >>> node = astroid.extract_node(''' + match x: + case Point2D(0, 0): + ... + case Point3D(x=0, y=0, z=0): + ... + ''') + >>> node.cases[0].pattern + + >>> node.cases[1].pattern + + """ + + _astroid_fields = ("cls", "patterns", "kwd_patterns") + _other_fields = ("kwd_attrs",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.cls: NodeNG + self.patterns: typing.List[Pattern] + self.kwd_attrs: typing.List[str] + self.kwd_patterns: typing.List[Pattern] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + *, + cls: NodeNG, + patterns: typing.List[Pattern], + kwd_attrs: typing.List[str], + kwd_patterns: typing.List[Pattern], + ) -> None: + self.cls = cls + self.patterns = patterns + self.kwd_attrs = kwd_attrs + self.kwd_patterns = kwd_patterns + + +class MatchStar(mixins.AssignTypeMixin, Pattern): + """Class representing a :class:`ast.MatchStar` node. + + >>> node = astroid.extract_node(''' + match x: + case [1, *_]: + ... + ''') + >>> node.cases[0].pattern.patterns[1] + + """ + + _astroid_fields = ("name",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.name: Optional[AssignName] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, *, name: Optional[AssignName]) -> None: + self.name = name + + assigned_stmts: Callable[ + [ + "MatchStar", + AssignName, + Optional[contextmod.InferenceContext], + Literal[None], + ], + Generator[NodeNG, None, None], + ] + + +class MatchAs(mixins.AssignTypeMixin, Pattern): + """Class representing a :class:`ast.MatchAs` node. + + >>> node = astroid.extract_node(''' + match x: + case [1, a]: + ... + case {'key': b}: + ... + case Point2D(0, 0) as c: + ... + case d: + ... + ''') + >>> node.cases[0].pattern.patterns[1] + + >>> node.cases[1].pattern.patterns[0] + + >>> node.cases[2].pattern + + >>> node.cases[3].pattern + + """ + + _astroid_fields = ("pattern", "name") + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.pattern: Optional[Pattern] + self.name: Optional[AssignName] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit( + self, + *, + pattern: Optional[Pattern], + name: Optional[AssignName], + ) -> None: + self.pattern = pattern + self.name = name + + assigned_stmts: Callable[ + [ + "MatchAs", + AssignName, + Optional[contextmod.InferenceContext], + Literal[None], + ], + Generator[NodeNG, None, None], + ] + + +class MatchOr(Pattern): + """Class representing a :class:`ast.MatchOr` node. + + >>> node = astroid.extract_node(''' + match x: + case 400 | 401 | 402: + ... + ''') + >>> node.cases[0].pattern + + """ + + _astroid_fields = ("patterns",) + + def __init__( + self, + lineno: Optional[int] = None, + col_offset: Optional[int] = None, + parent: Optional[NodeNG] = None, + ) -> None: + self.patterns: typing.List[Pattern] + super().__init__(lineno=lineno, col_offset=col_offset, parent=parent) + + def postinit(self, *, patterns: typing.List[Pattern]) -> None: + self.patterns = patterns + + +# constants ############################################################## + +CONST_CLS = { + list: List, + tuple: Tuple, + dict: Dict, + set: Set, + type(None): Const, + type(NotImplemented): Const, + type(...): Const, +} + + +def _update_const_classes(): + """update constant classes, so the keys of CONST_CLS can be reused""" + klasses = (bool, int, float, complex, str, bytes) + for kls in klasses: + CONST_CLS[kls] = Const + + +_update_const_classes() + + +def _two_step_initialization(cls, value): + instance = cls() + instance.postinit(value) + return instance + + +def _dict_initialization(cls, value): + if isinstance(value, dict): + value = tuple(value.items()) + return _two_step_initialization(cls, value) + + +_CONST_CLS_CONSTRUCTORS = { + List: _two_step_initialization, + Tuple: _two_step_initialization, + Dict: _dict_initialization, + Set: _two_step_initialization, + Const: lambda cls, value: cls(value), +} + + +def const_factory(value): + """return an astroid node for a python value""" + # XXX we should probably be stricter here and only consider stuff in + # CONST_CLS or do better treatment: in case where value is not in CONST_CLS, + # we should rather recall the builder on this value than returning an empty + # node (another option being that const_factory shouldn't be called with something + # not in CONST_CLS) + assert not isinstance(value, NodeNG) + + # Hack for ignoring elements of a sequence + # or a mapping, in order to avoid transforming + # each element to an AST. This is fixed in 2.0 + # and this approach is a temporary hack. + if isinstance(value, (list, set, tuple, dict)): + elts = [] + else: + elts = value + + try: + initializer_cls = CONST_CLS[value.__class__] + initializer = _CONST_CLS_CONSTRUCTORS[initializer_cls] + return initializer(initializer_cls, elts) + except (KeyError, AttributeError): + node = EmptyNode() + node.object = value + return node + + +def is_from_decorator(node): + """Return True if the given node is the child of a decorator""" + parent = node.parent + while parent is not None: + if isinstance(parent, Decorators): + return True + parent = parent.parent + return False diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/nodes.py b/backend/mb-env/lib/python3.9/site-packages/astroid/nodes.py new file mode 100644 index 0000000..a9bee41 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/nodes.py @@ -0,0 +1,281 @@ +# Copyright (c) 2006-2011, 2013 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2010 Daniel Harding +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Jared Garst +# Copyright (c) 2017 Ashley Whetter +# Copyright (c) 2017 rr- +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Every available node class. + +.. seealso:: + :doc:`ast documentation ` + +All nodes inherit from :class:`~astroid.node_classes.NodeNG`. +""" + +# Nodes not present in the builtin ast module: DictUnpack, Unknown, and EvaluatedObject. + +from astroid.node_classes import ( # pylint: disable=redefined-builtin (Ellipsis) + AnnAssign, + Arguments, + Assert, + Assign, + AssignAttr, + AssignName, + AsyncFor, + AsyncWith, + Attribute, + AugAssign, + Await, + BinOp, + BoolOp, + Break, + Call, + Compare, + Comprehension, + Const, + Continue, + Decorators, + DelAttr, + Delete, + DelName, + Dict, + DictUnpack, + Ellipsis, + EmptyNode, + EvaluatedObject, + ExceptHandler, + Expr, + ExtSlice, + For, + FormattedValue, + Global, + If, + IfExp, + Import, + ImportFrom, + Index, + JoinedStr, + Keyword, + List, + Match, + MatchAs, + MatchCase, + MatchClass, + MatchMapping, + MatchOr, + MatchSequence, + MatchSingleton, + MatchStar, + MatchValue, + Name, + NamedExpr, + NodeNG, + Nonlocal, + Pass, + Raise, + Return, + Set, + Slice, + Starred, + Subscript, + TryExcept, + TryFinally, + Tuple, + UnaryOp, + Unknown, + While, + With, + Yield, + YieldFrom, + const_factory, +) +from astroid.scoped_nodes import ( + AsyncFunctionDef, + ClassDef, + DictComp, + FunctionDef, + GeneratorExp, + Lambda, + ListComp, + Module, + SetComp, +) + +ALL_NODE_CLASSES = ( + AnnAssign, + Arguments, + Assert, + Assign, + AssignAttr, + AssignName, + AsyncFor, + AsyncFunctionDef, + AsyncWith, + Attribute, + AugAssign, + Await, + BinOp, + BoolOp, + Break, + Call, + ClassDef, + Compare, + Comprehension, + Const, + const_factory, + Continue, + Decorators, + DelAttr, + Delete, + DelName, + Dict, + DictComp, + DictUnpack, + Ellipsis, + EmptyNode, + EvaluatedObject, + ExceptHandler, + Expr, + ExtSlice, + For, + FormattedValue, + FunctionDef, + GeneratorExp, + Global, + If, + IfExp, + Import, + ImportFrom, + Index, + JoinedStr, + Keyword, + Lambda, + List, + ListComp, + Match, + MatchAs, + MatchCase, + MatchClass, + MatchMapping, + MatchOr, + MatchSequence, + MatchSingleton, + MatchStar, + MatchValue, + Module, + Name, + NamedExpr, + NodeNG, + Nonlocal, + Pass, + Raise, + Return, + Set, + SetComp, + Slice, + Starred, + Subscript, + TryExcept, + TryFinally, + Tuple, + UnaryOp, + Unknown, + While, + With, + Yield, + YieldFrom, +) + +__all__ = ( + "AnnAssign", + "Arguments", + "Assert", + "Assign", + "AssignAttr", + "AssignName", + "AsyncFor", + "AsyncFunctionDef", + "AsyncWith", + "Attribute", + "AugAssign", + "Await", + "BinOp", + "BoolOp", + "Break", + "Call", + "ClassDef", + "Compare", + "Comprehension", + "Const", + "const_factory", + "Continue", + "Decorators", + "DelAttr", + "Delete", + "DelName", + "Dict", + "DictComp", + "DictUnpack", + "Ellipsis", + "EmptyNode", + "EvaluatedObject", + "ExceptHandler", + "Expr", + "ExtSlice", + "For", + "FormattedValue", + "FunctionDef", + "GeneratorExp", + "Global", + "If", + "IfExp", + "Import", + "ImportFrom", + "Index", + "JoinedStr", + "Keyword", + "Lambda", + "List", + "ListComp", + "Match", + "MatchAs", + "MatchCase", + "MatchClass", + "MatchMapping", + "MatchOr", + "MatchSequence", + "MatchSingleton", + "MatchStar", + "MatchValue", + "Module", + "Name", + "NamedExpr", + "NodeNG", + "Nonlocal", + "Pass", + "Raise", + "Return", + "Set", + "SetComp", + "Slice", + "Starred", + "Subscript", + "TryExcept", + "TryFinally", + "Tuple", + "UnaryOp", + "Unknown", + "While", + "With", + "Yield", + "YieldFrom", +) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/objects.py b/backend/mb-env/lib/python3.9/site-packages/astroid/objects.py new file mode 100644 index 0000000..9e0c019 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/objects.py @@ -0,0 +1,315 @@ +# Copyright (c) 2015-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2018 hippo91 +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2021 Alphadelta14 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +""" +Inference objects are a way to represent composite AST nodes, +which are used only as inference results, so they can't be found in the +original AST tree. For instance, inferring the following frozenset use, +leads to an inferred FrozenSet: + + Call(func=Name('frozenset'), args=Tuple(...)) +""" + + +from astroid import bases, decorators, node_classes, scoped_nodes, util +from astroid.const import BUILTINS +from astroid.exceptions import ( + AttributeInferenceError, + InferenceError, + MroError, + SuperError, +) +from astroid.manager import AstroidManager + +objectmodel = util.lazy_import("interpreter.objectmodel") + + +class FrozenSet(node_classes._BaseContainer): + """class representing a FrozenSet composite node""" + + def pytype(self): + return "%s.frozenset" % BUILTINS + + def _infer(self, context=None): + yield self + + @decorators.cachedproperty + def _proxied(self): # pylint: disable=method-hidden + ast_builtins = AstroidManager().builtins_module + return ast_builtins.getattr("frozenset")[0] + + +class Super(node_classes.NodeNG): + """Proxy class over a super call. + + This class offers almost the same behaviour as Python's super, + which is MRO lookups for retrieving attributes from the parents. + + The *mro_pointer* is the place in the MRO from where we should + start looking, not counting it. *mro_type* is the object which + provides the MRO, it can be both a type or an instance. + *self_class* is the class where the super call is, while + *scope* is the function where the super call is. + """ + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.SuperModel()) + + def __init__(self, mro_pointer, mro_type, self_class, scope): + self.type = mro_type + self.mro_pointer = mro_pointer + self._class_based = False + self._self_class = self_class + self._scope = scope + super().__init__() + + def _infer(self, context=None): + yield self + + def super_mro(self): + """Get the MRO which will be used to lookup attributes in this super.""" + if not isinstance(self.mro_pointer, scoped_nodes.ClassDef): + raise SuperError( + "The first argument to super must be a subtype of " + "type, not {mro_pointer}.", + super_=self, + ) + + if isinstance(self.type, scoped_nodes.ClassDef): + # `super(type, type)`, most likely in a class method. + self._class_based = True + mro_type = self.type + else: + mro_type = getattr(self.type, "_proxied", None) + if not isinstance(mro_type, (bases.Instance, scoped_nodes.ClassDef)): + raise SuperError( + "The second argument to super must be an " + "instance or subtype of type, not {type}.", + super_=self, + ) + + if not mro_type.newstyle: + raise SuperError("Unable to call super on old-style classes.", super_=self) + + mro = mro_type.mro() + if self.mro_pointer not in mro: + raise SuperError( + "The second argument to super must be an " + "instance or subtype of type, not {type}.", + super_=self, + ) + + index = mro.index(self.mro_pointer) + return mro[index + 1 :] + + @decorators.cachedproperty + def _proxied(self): + ast_builtins = AstroidManager().builtins_module + return ast_builtins.getattr("super")[0] + + def pytype(self): + return "%s.super" % BUILTINS + + def display_type(self): + return "Super of" + + @property + def name(self): + """Get the name of the MRO pointer.""" + return self.mro_pointer.name + + def qname(self): + return "super" + + def igetattr(self, name, context=None): + """Retrieve the inferred values of the given attribute name.""" + + if name in self.special_attributes: + yield self.special_attributes.lookup(name) + return + + try: + mro = self.super_mro() + # Don't let invalid MROs or invalid super calls + # leak out as is from this function. + except SuperError as exc: + raise AttributeInferenceError( + ( + "Lookup for {name} on {target!r} because super call {super!r} " + "is invalid." + ), + target=self, + attribute=name, + context=context, + super_=exc.super_, + ) from exc + except MroError as exc: + raise AttributeInferenceError( + ( + "Lookup for {name} on {target!r} failed because {cls!r} has an " + "invalid MRO." + ), + target=self, + attribute=name, + context=context, + mros=exc.mros, + cls=exc.cls, + ) from exc + found = False + for cls in mro: + if name not in cls.locals: + continue + + found = True + for inferred in bases._infer_stmts([cls[name]], context, frame=self): + if not isinstance(inferred, scoped_nodes.FunctionDef): + yield inferred + continue + + # We can obtain different descriptors from a super depending + # on what we are accessing and where the super call is. + if inferred.type == "classmethod": + yield bases.BoundMethod(inferred, cls) + elif self._scope.type == "classmethod" and inferred.type == "method": + yield inferred + elif self._class_based or inferred.type == "staticmethod": + yield inferred + elif isinstance(inferred, Property): + function = inferred.function + try: + yield from function.infer_call_result( + caller=self, context=context + ) + except InferenceError: + yield util.Uninferable + elif bases._is_property(inferred): + # TODO: support other descriptors as well. + try: + yield from inferred.infer_call_result(self, context) + except InferenceError: + yield util.Uninferable + else: + yield bases.BoundMethod(inferred, cls) + + if not found: + raise AttributeInferenceError(target=self, attribute=name, context=context) + + def getattr(self, name, context=None): + return list(self.igetattr(name, context=context)) + + +class ExceptionInstance(bases.Instance): + """Class for instances of exceptions + + It has special treatment for some of the exceptions's attributes, + which are transformed at runtime into certain concrete objects, such as + the case of .args. + """ + + @decorators.cachedproperty + def special_attributes(self): + qname = self.qname() + instance = objectmodel.BUILTIN_EXCEPTIONS.get( + qname, objectmodel.ExceptionInstanceModel + ) + return instance()(self) + + +class DictInstance(bases.Instance): + """Special kind of instances for dictionaries + + This instance knows the underlying object model of the dictionaries, which means + that methods such as .values or .items can be properly inferred. + """ + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.DictModel()) + + +# Custom objects tailored for dictionaries, which are used to +# disambiguate between the types of Python 2 dict's method returns +# and Python 3 (where they return set like objects). +class DictItems(bases.Proxy): + __str__ = node_classes.NodeNG.__str__ + __repr__ = node_classes.NodeNG.__repr__ + + +class DictKeys(bases.Proxy): + __str__ = node_classes.NodeNG.__str__ + __repr__ = node_classes.NodeNG.__repr__ + + +class DictValues(bases.Proxy): + __str__ = node_classes.NodeNG.__str__ + __repr__ = node_classes.NodeNG.__repr__ + + +class PartialFunction(scoped_nodes.FunctionDef): + """A class representing partial function obtained via functools.partial""" + + def __init__( + self, call, name=None, doc=None, lineno=None, col_offset=None, parent=None + ): + super().__init__(name, doc, lineno, col_offset, parent=None) + # A typical FunctionDef automatically adds its name to the parent scope, + # but a partial should not, so defer setting parent until after init + self.parent = parent + self.filled_positionals = len(call.positional_arguments[1:]) + self.filled_args = call.positional_arguments[1:] + self.filled_keywords = call.keyword_arguments + + def infer_call_result(self, caller=None, context=None): + if context: + current_passed_keywords = { + keyword for (keyword, _) in context.callcontext.keywords + } + for keyword, value in self.filled_keywords.items(): + if keyword not in current_passed_keywords: + context.callcontext.keywords.append((keyword, value)) + + call_context_args = context.callcontext.args or [] + context.callcontext.args = self.filled_args + call_context_args + + return super().infer_call_result(caller=caller, context=context) + + def qname(self): + return self.__class__.__name__ + + +# TODO: Hack to solve the circular import problem between node_classes and objects +# This is not needed in 2.0, which has a cleaner design overall +node_classes.Dict.__bases__ = (node_classes.NodeNG, DictInstance) + + +class Property(scoped_nodes.FunctionDef): + """Class representing a Python property""" + + def __init__( + self, function, name=None, doc=None, lineno=None, col_offset=None, parent=None + ): + self.function = function + super().__init__(name, doc, lineno, col_offset, parent) + + # pylint: disable=unnecessary-lambda + special_attributes = util.lazy_descriptor(lambda: objectmodel.PropertyModel()) + type = "property" + + def pytype(self): + return "%s.property" % BUILTINS + + def infer_call_result(self, caller=None, context=None): + raise InferenceError("Properties are not callable") + + def infer(self, context=None, **kwargs): + return iter((self,)) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/protocols.py b/backend/mb-env/lib/python3.9/site-packages/astroid/protocols.py new file mode 100644 index 0000000..d8b1cf7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/protocols.py @@ -0,0 +1,839 @@ +# Copyright (c) 2009-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Dmitry Pribysh +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2017-2018 Ashley Whetter +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2017 rr- +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 HoverHell +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Vilnis Termanis +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 doranid + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""this module contains a set of functions to handle python protocols for nodes +where it makes sense. +""" + +import collections +import itertools +import operator as operator_mod +import sys +from typing import Generator, Optional + +from astroid import arguments, bases +from astroid import context as contextmod +from astroid import decorators, helpers, node_classes, nodes, util +from astroid.const import Context +from astroid.exceptions import ( + AstroidIndexError, + AstroidTypeError, + AttributeInferenceError, + InferenceError, + NoDefault, +) + +if sys.version_info >= (3, 8): + from typing import Literal +else: + from typing_extensions import Literal + +raw_building = util.lazy_import("raw_building") +objects = util.lazy_import("objects") + + +def _reflected_name(name): + return "__r" + name[2:] + + +def _augmented_name(name): + return "__i" + name[2:] + + +_CONTEXTLIB_MGR = "contextlib.contextmanager" +BIN_OP_METHOD = { + "+": "__add__", + "-": "__sub__", + "/": "__truediv__", + "//": "__floordiv__", + "*": "__mul__", + "**": "__pow__", + "%": "__mod__", + "&": "__and__", + "|": "__or__", + "^": "__xor__", + "<<": "__lshift__", + ">>": "__rshift__", + "@": "__matmul__", +} + +REFLECTED_BIN_OP_METHOD = { + key: _reflected_name(value) for (key, value) in BIN_OP_METHOD.items() +} +AUGMENTED_OP_METHOD = { + key + "=": _augmented_name(value) for (key, value) in BIN_OP_METHOD.items() +} + +UNARY_OP_METHOD = { + "+": "__pos__", + "-": "__neg__", + "~": "__invert__", + "not": None, # XXX not '__nonzero__' +} +_UNARY_OPERATORS = { + "+": operator_mod.pos, + "-": operator_mod.neg, + "~": operator_mod.invert, + "not": operator_mod.not_, +} + + +def _infer_unary_op(obj, op): + func = _UNARY_OPERATORS[op] + value = func(obj) + return nodes.const_factory(value) + + +nodes.Tuple.infer_unary_op = lambda self, op: _infer_unary_op(tuple(self.elts), op) +nodes.List.infer_unary_op = lambda self, op: _infer_unary_op(self.elts, op) +nodes.Set.infer_unary_op = lambda self, op: _infer_unary_op(set(self.elts), op) +nodes.Const.infer_unary_op = lambda self, op: _infer_unary_op(self.value, op) +nodes.Dict.infer_unary_op = lambda self, op: _infer_unary_op(dict(self.items), op) + +# Binary operations + +BIN_OP_IMPL = { + "+": lambda a, b: a + b, + "-": lambda a, b: a - b, + "/": lambda a, b: a / b, + "//": lambda a, b: a // b, + "*": lambda a, b: a * b, + "**": lambda a, b: a ** b, + "%": lambda a, b: a % b, + "&": lambda a, b: a & b, + "|": lambda a, b: a | b, + "^": lambda a, b: a ^ b, + "<<": lambda a, b: a << b, + ">>": lambda a, b: a >> b, + "@": operator_mod.matmul, +} +for _KEY, _IMPL in list(BIN_OP_IMPL.items()): + BIN_OP_IMPL[_KEY + "="] = _IMPL + + +@decorators.yes_if_nothing_inferred +def const_infer_binary_op(self, opnode, operator, other, context, _): + not_implemented = nodes.Const(NotImplemented) + if isinstance(other, nodes.Const): + try: + impl = BIN_OP_IMPL[operator] + try: + yield nodes.const_factory(impl(self.value, other.value)) + except TypeError: + # ArithmeticError is not enough: float >> float is a TypeError + yield not_implemented + except Exception: # pylint: disable=broad-except + yield util.Uninferable + except TypeError: + yield not_implemented + elif isinstance(self.value, str) and operator == "%": + # TODO(cpopa): implement string interpolation later on. + yield util.Uninferable + else: + yield not_implemented + + +nodes.Const.infer_binary_op = const_infer_binary_op + + +def _multiply_seq_by_int(self, opnode, other, context): + node = self.__class__(parent=opnode) + filtered_elts = ( + helpers.safe_infer(elt, context) or util.Uninferable + for elt in self.elts + if elt is not util.Uninferable + ) + node.elts = list(filtered_elts) * other.value + return node + + +def _filter_uninferable_nodes(elts, context): + for elt in elts: + if elt is util.Uninferable: + yield nodes.Unknown() + else: + for inferred in elt.infer(context): + if inferred is not util.Uninferable: + yield inferred + else: + yield nodes.Unknown() + + +@decorators.yes_if_nothing_inferred +def tl_infer_binary_op(self, opnode, operator, other, context, method): + not_implemented = nodes.Const(NotImplemented) + if isinstance(other, self.__class__) and operator == "+": + node = self.__class__(parent=opnode) + node.elts = list( + itertools.chain( + _filter_uninferable_nodes(self.elts, context), + _filter_uninferable_nodes(other.elts, context), + ) + ) + yield node + elif isinstance(other, nodes.Const) and operator == "*": + if not isinstance(other.value, int): + yield not_implemented + return + yield _multiply_seq_by_int(self, opnode, other, context) + elif isinstance(other, bases.Instance) and operator == "*": + # Verify if the instance supports __index__. + as_index = helpers.class_instance_as_index(other) + if not as_index: + yield util.Uninferable + else: + yield _multiply_seq_by_int(self, opnode, as_index, context) + else: + yield not_implemented + + +nodes.Tuple.infer_binary_op = tl_infer_binary_op +nodes.List.infer_binary_op = tl_infer_binary_op + + +@decorators.yes_if_nothing_inferred +def instance_class_infer_binary_op(self, opnode, operator, other, context, method): + return method.infer_call_result(self, context) + + +bases.Instance.infer_binary_op = instance_class_infer_binary_op +nodes.ClassDef.infer_binary_op = instance_class_infer_binary_op + + +# assignment ################################################################## + +"""the assigned_stmts method is responsible to return the assigned statement +(e.g. not inferred) according to the assignment type. + +The `assign_path` argument is used to record the lhs path of the original node. +For instance if we want assigned statements for 'c' in 'a, (b,c)', assign_path +will be [1, 1] once arrived to the Assign node. + +The `context` argument is the current inference context which should be given +to any intermediary inference necessary. +""" + + +def _resolve_looppart(parts, assign_path, context): + """recursive function to resolve multiple assignments on loops""" + assign_path = assign_path[:] + index = assign_path.pop(0) + for part in parts: + if part is util.Uninferable: + continue + if not hasattr(part, "itered"): + continue + try: + itered = part.itered() + except TypeError: + continue + for stmt in itered: + index_node = nodes.Const(index) + try: + assigned = stmt.getitem(index_node, context) + except (AttributeError, AstroidTypeError, AstroidIndexError): + continue + if not assign_path: + # we achieved to resolved the assignment path, + # don't infer the last part + yield assigned + elif assigned is util.Uninferable: + break + else: + # we are not yet on the last part of the path + # search on each possibly inferred value + try: + yield from _resolve_looppart( + assigned.infer(context), assign_path, context + ) + except InferenceError: + break + + +@decorators.raise_if_nothing_inferred +def for_assigned_stmts(self, node=None, context=None, assign_path=None): + if isinstance(self, nodes.AsyncFor) or getattr(self, "is_async", False): + # Skip inferring of async code for now + return dict(node=self, unknown=node, assign_path=assign_path, context=context) + if assign_path is None: + for lst in self.iter.infer(context): + if isinstance(lst, (nodes.Tuple, nodes.List)): + yield from lst.elts + else: + yield from _resolve_looppart(self.iter.infer(context), assign_path, context) + return dict(node=self, unknown=node, assign_path=assign_path, context=context) + + +nodes.For.assigned_stmts = for_assigned_stmts +nodes.Comprehension.assigned_stmts = for_assigned_stmts + + +def sequence_assigned_stmts(self, node=None, context=None, assign_path=None): + if assign_path is None: + assign_path = [] + try: + index = self.elts.index(node) + except ValueError as exc: + raise InferenceError( + "Tried to retrieve a node {node!r} which does not exist", + node=self, + assign_path=assign_path, + context=context, + ) from exc + + assign_path.insert(0, index) + return self.parent.assigned_stmts( + node=self, context=context, assign_path=assign_path + ) + + +nodes.Tuple.assigned_stmts = sequence_assigned_stmts +nodes.List.assigned_stmts = sequence_assigned_stmts + + +def assend_assigned_stmts(self, node=None, context=None, assign_path=None): + return self.parent.assigned_stmts(node=self, context=context) + + +nodes.AssignName.assigned_stmts = assend_assigned_stmts +nodes.AssignAttr.assigned_stmts = assend_assigned_stmts + + +def _arguments_infer_argname(self, name, context): + # arguments information may be missing, in which case we can't do anything + # more + if not (self.arguments or self.vararg or self.kwarg): + yield util.Uninferable + return + + functype = self.parent.type + # first argument of instance/class method + if ( + self.arguments + and getattr(self.arguments[0], "name", None) == name + and functype != "staticmethod" + ): + cls = self.parent.parent.scope() + is_metaclass = isinstance(cls, nodes.ClassDef) and cls.type == "metaclass" + # If this is a metaclass, then the first argument will always + # be the class, not an instance. + if context.boundnode and isinstance(context.boundnode, bases.Instance): + cls = context.boundnode._proxied + if is_metaclass or functype == "classmethod": + yield cls + return + if functype == "method": + yield cls.instantiate_class() + return + + if context and context.callcontext: + call_site = arguments.CallSite(context.callcontext, context.extra_context) + yield from call_site.infer_argument(self.parent, name, context) + return + + if name == self.vararg: + vararg = nodes.const_factory(()) + vararg.parent = self + if not self.arguments and self.parent.name == "__init__": + cls = self.parent.parent.scope() + vararg.elts = [cls.instantiate_class()] + yield vararg + return + if name == self.kwarg: + kwarg = nodes.const_factory({}) + kwarg.parent = self + yield kwarg + return + # if there is a default value, yield it. And then yield Uninferable to reflect + # we can't guess given argument value + try: + context = contextmod.copy_context(context) + yield from self.default_value(name).infer(context) + yield util.Uninferable + except NoDefault: + yield util.Uninferable + + +def arguments_assigned_stmts(self, node=None, context=None, assign_path=None): + if context.callcontext: + # reset call context/name + callcontext = context.callcontext + context = contextmod.copy_context(context) + context.callcontext = None + args = arguments.CallSite(callcontext, context=context) + return args.infer_argument(self.parent, node.name, context) + return _arguments_infer_argname(self, node.name, context) + + +nodes.Arguments.assigned_stmts = arguments_assigned_stmts + + +@decorators.raise_if_nothing_inferred +def assign_assigned_stmts(self, node=None, context=None, assign_path=None): + if not assign_path: + yield self.value + return None + yield from _resolve_assignment_parts( + self.value.infer(context), assign_path, context + ) + + return dict(node=self, unknown=node, assign_path=assign_path, context=context) + + +def assign_annassigned_stmts(self, node=None, context=None, assign_path=None): + for inferred in assign_assigned_stmts(self, node, context, assign_path): + if inferred is None: + yield util.Uninferable + else: + yield inferred + + +nodes.Assign.assigned_stmts = assign_assigned_stmts +nodes.AnnAssign.assigned_stmts = assign_annassigned_stmts +nodes.AugAssign.assigned_stmts = assign_assigned_stmts + + +def _resolve_assignment_parts(parts, assign_path, context): + """recursive function to resolve multiple assignments""" + assign_path = assign_path[:] + index = assign_path.pop(0) + for part in parts: + assigned = None + if isinstance(part, nodes.Dict): + # A dictionary in an iterating context + try: + assigned, _ = part.items[index] + except IndexError: + return + + elif hasattr(part, "getitem"): + index_node = nodes.Const(index) + try: + assigned = part.getitem(index_node, context) + except (AstroidTypeError, AstroidIndexError): + return + + if not assigned: + return + + if not assign_path: + # we achieved to resolved the assignment path, don't infer the + # last part + yield assigned + elif assigned is util.Uninferable: + return + else: + # we are not yet on the last part of the path search on each + # possibly inferred value + try: + yield from _resolve_assignment_parts( + assigned.infer(context), assign_path, context + ) + except InferenceError: + return + + +@decorators.raise_if_nothing_inferred +def excepthandler_assigned_stmts(self, node=None, context=None, assign_path=None): + for assigned in node_classes.unpack_infer(self.type): + if isinstance(assigned, nodes.ClassDef): + assigned = objects.ExceptionInstance(assigned) + + yield assigned + return dict(node=self, unknown=node, assign_path=assign_path, context=context) + + +nodes.ExceptHandler.assigned_stmts = excepthandler_assigned_stmts + + +def _infer_context_manager(self, mgr, context): + try: + inferred = next(mgr.infer(context=context)) + except StopIteration as e: + raise InferenceError(node=mgr) from e + if isinstance(inferred, bases.Generator): + # Check if it is decorated with contextlib.contextmanager. + func = inferred.parent + if not func.decorators: + raise InferenceError( + "No decorators found on inferred generator %s", node=func + ) + + for decorator_node in func.decorators.nodes: + decorator = next(decorator_node.infer(context=context), None) + if isinstance(decorator, nodes.FunctionDef): + if decorator.qname() == _CONTEXTLIB_MGR: + break + else: + # It doesn't interest us. + raise InferenceError(node=func) + try: + yield next(inferred.infer_yield_types()) + except StopIteration as e: + raise InferenceError(node=func) from e + + elif isinstance(inferred, bases.Instance): + try: + enter = next(inferred.igetattr("__enter__", context=context)) + except (InferenceError, AttributeInferenceError, StopIteration) as exc: + raise InferenceError(node=inferred) from exc + if not isinstance(enter, bases.BoundMethod): + raise InferenceError(node=enter) + yield from enter.infer_call_result(self, context) + else: + raise InferenceError(node=mgr) + + +@decorators.raise_if_nothing_inferred +def with_assigned_stmts(self, node=None, context=None, assign_path=None): + """Infer names and other nodes from a *with* statement. + + This enables only inference for name binding in a *with* statement. + For instance, in the following code, inferring `func` will return + the `ContextManager` class, not whatever ``__enter__`` returns. + We are doing this intentionally, because we consider that the context + manager result is whatever __enter__ returns and what it is binded + using the ``as`` keyword. + + class ContextManager(object): + def __enter__(self): + return 42 + with ContextManager() as f: + pass + + # ContextManager().infer() will return ContextManager + # f.infer() will return 42. + + Arguments: + self: nodes.With + node: The target of the assignment, `as (a, b)` in `with foo as (a, b)`. + context: Inference context used for caching already inferred objects + assign_path: + A list of indices, where each index specifies what item to fetch from + the inference results. + """ + try: + mgr = next(mgr for (mgr, vars) in self.items if vars == node) + except StopIteration: + return None + if assign_path is None: + yield from _infer_context_manager(self, mgr, context) + else: + for result in _infer_context_manager(self, mgr, context): + # Walk the assign_path and get the item at the final index. + obj = result + for index in assign_path: + if not hasattr(obj, "elts"): + raise InferenceError( + "Wrong type ({targets!r}) for {node!r} assignment", + node=self, + targets=node, + assign_path=assign_path, + context=context, + ) + try: + obj = obj.elts[index] + except IndexError as exc: + raise InferenceError( + "Tried to infer a nonexistent target with index {index} " + "in {node!r}.", + node=self, + targets=node, + assign_path=assign_path, + context=context, + ) from exc + except TypeError as exc: + raise InferenceError( + "Tried to unpack a non-iterable value " "in {node!r}.", + node=self, + targets=node, + assign_path=assign_path, + context=context, + ) from exc + yield obj + return dict(node=self, unknown=node, assign_path=assign_path, context=context) + + +nodes.With.assigned_stmts = with_assigned_stmts + + +@decorators.raise_if_nothing_inferred +def named_expr_assigned_stmts(self, node, context=None, assign_path=None): + """Infer names and other nodes from an assignment expression""" + if self.target == node: + yield from self.value.infer(context=context) + else: + raise InferenceError( + "Cannot infer NamedExpr node {node!r}", + node=self, + assign_path=assign_path, + context=context, + ) + + +nodes.NamedExpr.assigned_stmts = named_expr_assigned_stmts + + +@decorators.yes_if_nothing_inferred +def starred_assigned_stmts(self, node=None, context=None, assign_path=None): + """ + Arguments: + self: nodes.Starred + node: a node related to the current underlying Node. + context: Inference context used for caching already inferred objects + assign_path: + A list of indices, where each index specifies what item to fetch from + the inference results. + """ + # pylint: disable=too-many-locals,too-many-statements + def _determine_starred_iteration_lookups(starred, target, lookups): + # Determine the lookups for the rhs of the iteration + itered = target.itered() + for index, element in enumerate(itered): + if ( + isinstance(element, nodes.Starred) + and element.value.name == starred.value.name + ): + lookups.append((index, len(itered))) + break + if isinstance(element, nodes.Tuple): + lookups.append((index, len(element.itered()))) + _determine_starred_iteration_lookups(starred, element, lookups) + + stmt = self.statement() + if not isinstance(stmt, (nodes.Assign, nodes.For)): + raise InferenceError( + "Statement {stmt!r} enclosing {node!r} " "must be an Assign or For node.", + node=self, + stmt=stmt, + unknown=node, + context=context, + ) + + if context is None: + context = contextmod.InferenceContext() + + if isinstance(stmt, nodes.Assign): + value = stmt.value + lhs = stmt.targets[0] + + if sum(1 for _ in lhs.nodes_of_class(nodes.Starred)) > 1: + raise InferenceError( + "Too many starred arguments in the " " assignment targets {lhs!r}.", + node=self, + targets=lhs, + unknown=node, + context=context, + ) + + try: + rhs = next(value.infer(context)) + except (InferenceError, StopIteration): + yield util.Uninferable + return + if rhs is util.Uninferable or not hasattr(rhs, "itered"): + yield util.Uninferable + return + + try: + elts = collections.deque(rhs.itered()) + except TypeError: + yield util.Uninferable + return + + # Unpack iteratively the values from the rhs of the assignment, + # until the find the starred node. What will remain will + # be the list of values which the Starred node will represent + # This is done in two steps, from left to right to remove + # anything before the starred node and from right to left + # to remove anything after the starred node. + + for index, left_node in enumerate(lhs.elts): + if not isinstance(left_node, nodes.Starred): + if not elts: + break + elts.popleft() + continue + lhs_elts = collections.deque(reversed(lhs.elts[index:])) + for right_node in lhs_elts: + if not isinstance(right_node, nodes.Starred): + if not elts: + break + elts.pop() + continue + + # We're done unpacking. + packed = nodes.List( + ctx=Context.Store, + parent=self, + lineno=lhs.lineno, + col_offset=lhs.col_offset, + ) + packed.postinit(elts=list(elts)) + yield packed + break + + if isinstance(stmt, nodes.For): + try: + inferred_iterable = next(stmt.iter.infer(context=context)) + except (InferenceError, StopIteration): + yield util.Uninferable + return + if inferred_iterable is util.Uninferable or not hasattr( + inferred_iterable, "itered" + ): + yield util.Uninferable + return + try: + itered = inferred_iterable.itered() + except TypeError: + yield util.Uninferable + return + + target = stmt.target + + if not isinstance(target, nodes.Tuple): + raise InferenceError( + "Could not make sense of this, the target must be a tuple", + context=context, + ) + + lookups = [] + _determine_starred_iteration_lookups(self, target, lookups) + if not lookups: + raise InferenceError( + "Could not make sense of this, needs at least a lookup", context=context + ) + + # Make the last lookup a slice, since that what we want for a Starred node + last_element_index, last_element_length = lookups[-1] + is_starred_last = last_element_index == (last_element_length - 1) + + lookup_slice = slice( + last_element_index, + None if is_starred_last else (last_element_length - last_element_index), + ) + lookups[-1] = lookup_slice + + for element in itered: + + # We probably want to infer the potential values *for each* element in an + # iterable, but we can't infer a list of all values, when only a list of + # step values are expected: + # + # for a, *b in [...]: + # b + # + # *b* should now point to just the elements at that particular iteration step, + # which astroid can't know about. + + found_element = None + for lookup in lookups: + if not hasattr(element, "itered"): + break + if not isinstance(lookup, slice): + # Grab just the index, not the whole length + lookup = lookup[0] + try: + itered_inner_element = element.itered() + element = itered_inner_element[lookup] + except IndexError: + break + except TypeError: + # Most likely the itered() call failed, cannot make sense of this + yield util.Uninferable + return + else: + found_element = element + + unpacked = nodes.List( + ctx=Context.Store, + parent=self, + lineno=self.lineno, + col_offset=self.col_offset, + ) + unpacked.postinit(elts=found_element or []) + yield unpacked + return + + yield util.Uninferable + + +nodes.Starred.assigned_stmts = starred_assigned_stmts + + +@decorators.yes_if_nothing_inferred +def match_mapping_assigned_stmts( + self: nodes.MatchMapping, + node: nodes.AssignName, + context: Optional[contextmod.InferenceContext] = None, + assign_path: Literal[None] = None, +) -> Generator[nodes.NodeNG, None, None]: + """Return empty generator (return -> raises StopIteration) so inferred value + is Uninferable. + """ + return + yield + + +nodes.MatchMapping.assigned_stmts = match_mapping_assigned_stmts + + +@decorators.yes_if_nothing_inferred +def match_star_assigned_stmts( + self: nodes.MatchStar, + node: nodes.AssignName, + context: Optional[contextmod.InferenceContext] = None, + assign_path: Literal[None] = None, +) -> Generator[nodes.NodeNG, None, None]: + """Return empty generator (return -> raises StopIteration) so inferred value + is Uninferable. + """ + return + yield + + +nodes.MatchStar.assigned_stmts = match_star_assigned_stmts + + +@decorators.yes_if_nothing_inferred +def match_as_assigned_stmts( + self: nodes.MatchAs, + node: nodes.AssignName, + context: Optional[contextmod.InferenceContext] = None, + assign_path: Literal[None] = None, +) -> Generator[nodes.NodeNG, None, None]: + """Infer MatchAs as the Match subject if it's the only MatchCase pattern + else raise StopIteration to yield Uninferable. + """ + if ( + isinstance(self.parent, nodes.MatchCase) + and isinstance(self.parent.parent, nodes.Match) + and self.pattern is None + ): + yield self.parent.parent.subject + + +nodes.MatchAs.assigned_stmts = match_as_assigned_stmts diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/raw_building.py b/backend/mb-env/lib/python3.9/site-packages/astroid/raw_building.py new file mode 100644 index 0000000..8eac508 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/raw_building.py @@ -0,0 +1,493 @@ +# Copyright (c) 2006-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2012 FELD Boris +# Copyright (c) 2014-2020 Claudiu Popa +# Copyright (c) 2014 Google, Inc. +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Florian Bruhin +# Copyright (c) 2015 Ovidiu Sabou +# Copyright (c) 2016 Derek Gustafson +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Becker Awqatty +# Copyright (c) 2020 Robin Jarry +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""this module contains a set of functions to create astroid trees from scratch +(build_* functions) or from living object (object_build_* functions) +""" + +import builtins +import inspect +import os +import sys +import types +import warnings +from typing import List, Optional + +from astroid import bases, node_classes, nodes +from astroid.manager import AstroidManager + +# the keys of CONST_CLS eg python builtin types +_CONSTANTS = tuple(node_classes.CONST_CLS) +_BUILTINS = vars(builtins) +TYPE_NONE = type(None) +TYPE_NOTIMPLEMENTED = type(NotImplemented) +TYPE_ELLIPSIS = type(...) + + +def _io_discrepancy(member): + # _io module names itself `io`: http://bugs.python.org/issue18602 + member_self = getattr(member, "__self__", None) + return ( + member_self + and inspect.ismodule(member_self) + and member_self.__name__ == "_io" + and member.__module__ == "io" + ) + + +def _attach_local_node(parent, node, name): + node.name = name # needed by add_local_node + parent.add_local_node(node) + + +def _add_dunder_class(func, member): + """Add a __class__ member to the given func node, if we can determine it.""" + python_cls = member.__class__ + cls_name = getattr(python_cls, "__name__", None) + if not cls_name: + return + cls_bases = [ancestor.__name__ for ancestor in python_cls.__bases__] + ast_klass = build_class(cls_name, cls_bases, python_cls.__doc__) + func.instance_attrs["__class__"] = [ast_klass] + + +_marker = object() + + +def attach_dummy_node(node, name, runtime_object=_marker): + """create a dummy node and register it in the locals of the given + node with the specified name + """ + enode = nodes.EmptyNode() + enode.object = runtime_object + _attach_local_node(node, enode, name) + + +def _has_underlying_object(self): + return self.object is not None and self.object is not _marker + + +nodes.EmptyNode.has_underlying_object = _has_underlying_object + + +def attach_const_node(node, name, value): + """create a Const node and register it in the locals of the given + node with the specified name + """ + if name not in node.special_attributes: + _attach_local_node(node, nodes.const_factory(value), name) + + +def attach_import_node(node, modname, membername): + """create a ImportFrom node and register it in the locals of the given + node with the specified name + """ + from_node = nodes.ImportFrom(modname, [(membername, None)]) + _attach_local_node(node, from_node, membername) + + +def build_module(name, doc=None): + """create and initialize an astroid Module node""" + node = nodes.Module(name, doc, pure_python=False) + node.package = False + node.parent = None + return node + + +def build_class(name, basenames=(), doc=None): + """create and initialize an astroid ClassDef node""" + node = nodes.ClassDef(name, doc) + for base in basenames: + basenode = nodes.Name() + basenode.name = base + node.bases.append(basenode) + basenode.parent = node + return node + + +def build_function( + name, + args: Optional[List[str]] = None, + posonlyargs: Optional[List[str]] = None, + defaults=None, + doc=None, + kwonlyargs: Optional[List[str]] = None, +) -> nodes.FunctionDef: + """create and initialize an astroid FunctionDef node""" + # first argument is now a list of decorators + func = nodes.FunctionDef(name, doc) + func.args = argsnode = nodes.Arguments(parent=func) + argsnode.postinit( + args=[nodes.AssignName(name=arg, parent=argsnode) for arg in args or ()], + defaults=[], + kwonlyargs=[ + nodes.AssignName(name=arg, parent=argsnode) for arg in kwonlyargs or () + ], + kw_defaults=[], + annotations=[], + posonlyargs=[ + nodes.AssignName(name=arg, parent=argsnode) for arg in posonlyargs or () + ], + ) + for default in defaults or (): + argsnode.defaults.append(nodes.const_factory(default)) + argsnode.defaults[-1].parent = argsnode + if args: + register_arguments(func) + return func + + +def build_from_import(fromname, names): + """create and initialize an astroid ImportFrom import statement""" + return nodes.ImportFrom(fromname, [(name, None) for name in names]) + + +def register_arguments(func, args=None): + """add given arguments to local + + args is a list that may contains nested lists + (i.e. def func(a, (b, c, d)): ...) + """ + if args is None: + args = func.args.args + if func.args.vararg: + func.set_local(func.args.vararg, func.args) + if func.args.kwarg: + func.set_local(func.args.kwarg, func.args) + for arg in args: + if isinstance(arg, nodes.AssignName): + func.set_local(arg.name, arg) + else: + register_arguments(func, arg.elts) + + +def object_build_class(node, member, localname): + """create astroid for a living class object""" + basenames = [base.__name__ for base in member.__bases__] + return _base_class_object_build(node, member, basenames, localname=localname) + + +def object_build_function(node, member, localname): + """create astroid for a living function object""" + signature = inspect.signature(member) + args = [] + defaults = [] + posonlyargs = [] + kwonlyargs = [] + for param_name, param in signature.parameters.items(): + if param.kind == inspect.Parameter.POSITIONAL_ONLY: + posonlyargs.append(param_name) + elif param.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD: + args.append(param_name) + elif param.kind == inspect.Parameter.VAR_POSITIONAL: + args.append(param_name) + elif param.kind == inspect.Parameter.VAR_KEYWORD: + args.append(param_name) + elif param.kind == inspect.Parameter.KEYWORD_ONLY: + kwonlyargs.append(param_name) + if param.default is not inspect._empty: + defaults.append(param.default) + func = build_function( + getattr(member, "__name__", None) or localname, + args, + posonlyargs, + defaults, + member.__doc__, + ) + node.add_local_node(func, localname) + + +def object_build_datadescriptor(node, member, name): + """create astroid for a living data descriptor object""" + return _base_class_object_build(node, member, [], name) + + +def object_build_methoddescriptor(node, member, localname): + """create astroid for a living method descriptor object""" + # FIXME get arguments ? + func = build_function( + getattr(member, "__name__", None) or localname, doc=member.__doc__ + ) + # set node's arguments to None to notice that we have no information, not + # and empty argument list + func.args.args = None + node.add_local_node(func, localname) + _add_dunder_class(func, member) + + +def _base_class_object_build(node, member, basenames, name=None, localname=None): + """create astroid for a living class object, with a given set of base names + (e.g. ancestors) + """ + klass = build_class( + name or getattr(member, "__name__", None) or localname, + basenames, + member.__doc__, + ) + klass._newstyle = isinstance(member, type) + node.add_local_node(klass, localname) + try: + # limit the instantiation trick since it's too dangerous + # (such as infinite test execution...) + # this at least resolves common case such as Exception.args, + # OSError.errno + if issubclass(member, Exception): + instdict = member().__dict__ + else: + raise TypeError + except TypeError: + pass + else: + for item_name, obj in instdict.items(): + valnode = nodes.EmptyNode() + valnode.object = obj + valnode.parent = klass + valnode.lineno = 1 + klass.instance_attrs[item_name] = [valnode] + return klass + + +def _build_from_function(node, name, member, module): + # verify this is not an imported function + try: + code = member.__code__ + except AttributeError: + # Some implementations don't provide the code object, + # such as Jython. + code = None + filename = getattr(code, "co_filename", None) + if filename is None: + assert isinstance(member, object) + object_build_methoddescriptor(node, member, name) + elif filename != getattr(module, "__file__", None): + attach_dummy_node(node, name, member) + else: + object_build_function(node, member, name) + + +def _safe_has_attribute(obj, member): + try: + return hasattr(obj, member) + except Exception: # pylint: disable=broad-except + return False + + +class InspectBuilder: + """class for building nodes from living object + + this is actually a really minimal representation, including only Module, + FunctionDef and ClassDef nodes and some others as guessed. + """ + + def __init__(self, manager_instance=None): + self._manager = manager_instance or AstroidManager() + self._done = {} + self._module = None + + def inspect_build(self, module, modname=None, path=None): + """build astroid from a living module (i.e. using inspect) + this is used when there is no python source code available (either + because it's a built-in module or because the .py is not available) + """ + self._module = module + if modname is None: + modname = module.__name__ + try: + node = build_module(modname, module.__doc__) + except AttributeError: + # in jython, java modules have no __doc__ (see #109562) + node = build_module(modname) + node.file = node.path = os.path.abspath(path) if path else path + node.name = modname + self._manager.cache_module(node) + node.package = hasattr(module, "__path__") + self._done = {} + self.object_build(node, module) + return node + + def object_build(self, node, obj): + """recursive method which create a partial ast from real objects + (only function, class, and method are handled) + """ + if obj in self._done: + return self._done[obj] + self._done[obj] = node + for name in dir(obj): + try: + with warnings.catch_warnings(): + warnings.filterwarnings("error") + member = getattr(obj, name) + except (AttributeError, DeprecationWarning): + # damned ExtensionClass.Base, I know you're there ! + attach_dummy_node(node, name) + continue + if inspect.ismethod(member): + member = member.__func__ + if inspect.isfunction(member): + _build_from_function(node, name, member, self._module) + elif inspect.isbuiltin(member): + if not _io_discrepancy(member) and self.imported_member( + node, member, name + ): + continue + object_build_methoddescriptor(node, member, name) + elif inspect.isclass(member): + if self.imported_member(node, member, name): + continue + if member in self._done: + class_node = self._done[member] + if class_node not in node.locals.get(name, ()): + node.add_local_node(class_node, name) + else: + class_node = object_build_class(node, member, name) + # recursion + self.object_build(class_node, member) + if name == "__class__" and class_node.parent is None: + class_node.parent = self._done[self._module] + elif inspect.ismethoddescriptor(member): + assert isinstance(member, object) + object_build_methoddescriptor(node, member, name) + elif inspect.isdatadescriptor(member): + assert isinstance(member, object) + object_build_datadescriptor(node, member, name) + elif isinstance(member, _CONSTANTS): + attach_const_node(node, name, member) + elif inspect.isroutine(member): + # This should be called for Jython, where some builtin + # methods aren't caught by isbuiltin branch. + _build_from_function(node, name, member, self._module) + elif _safe_has_attribute(member, "__all__"): + module = build_module(name) + _attach_local_node(node, module, name) + # recursion + self.object_build(module, member) + else: + # create an empty node so that the name is actually defined + attach_dummy_node(node, name, member) + return None + + def imported_member(self, node, member, name): + """verify this is not an imported class or handle it""" + # /!\ some classes like ExtensionClass doesn't have a __module__ + # attribute ! Also, this may trigger an exception on badly built module + # (see http://www.logilab.org/ticket/57299 for instance) + try: + modname = getattr(member, "__module__", None) + except TypeError: + modname = None + if modname is None: + if name in ("__new__", "__subclasshook__"): + # Python 2.5.1 (r251:54863, Sep 1 2010, 22:03:14) + # >>> print object.__new__.__module__ + # None + modname = builtins.__name__ + else: + attach_dummy_node(node, name, member) + return True + + real_name = {"gtk": "gtk_gtk", "_io": "io"}.get(modname, modname) + + if real_name != self._module.__name__: + # check if it sounds valid and then add an import node, else use a + # dummy node + try: + getattr(sys.modules[modname], name) + except (KeyError, AttributeError): + attach_dummy_node(node, name, member) + else: + attach_import_node(node, modname, name) + return True + return False + + +# astroid bootstrapping ###################################################### + +_CONST_PROXY = {} + + +def _set_proxied(const): + # TODO : find a nicer way to handle this situation; + return _CONST_PROXY[const.value.__class__] + + +def _astroid_bootstrapping(): + """astroid bootstrapping the builtins module""" + # this boot strapping is necessary since we need the Const nodes to + # inspect_build builtins, and then we can proxy Const + builder = InspectBuilder() + astroid_builtin = builder.inspect_build(builtins) + + for cls, node_cls in node_classes.CONST_CLS.items(): + if cls is TYPE_NONE: + proxy = build_class("NoneType") + proxy.parent = astroid_builtin + elif cls is TYPE_NOTIMPLEMENTED: + proxy = build_class("NotImplementedType") + proxy.parent = astroid_builtin + elif cls is TYPE_ELLIPSIS: + proxy = build_class("Ellipsis") + proxy.parent = astroid_builtin + else: + proxy = astroid_builtin.getattr(cls.__name__)[0] + if cls in (dict, list, set, tuple): + node_cls._proxied = proxy + else: + _CONST_PROXY[cls] = proxy + + # Set the builtin module as parent for some builtins. + nodes.Const._proxied = property(_set_proxied) + + _GeneratorType = nodes.ClassDef( + types.GeneratorType.__name__, types.GeneratorType.__doc__ + ) + _GeneratorType.parent = astroid_builtin + bases.Generator._proxied = _GeneratorType + builder.object_build(bases.Generator._proxied, types.GeneratorType) + + if hasattr(types, "AsyncGeneratorType"): + _AsyncGeneratorType = nodes.ClassDef( + types.AsyncGeneratorType.__name__, types.AsyncGeneratorType.__doc__ + ) + _AsyncGeneratorType.parent = astroid_builtin + bases.AsyncGenerator._proxied = _AsyncGeneratorType + builder.object_build(bases.AsyncGenerator._proxied, types.AsyncGeneratorType) + builtin_types = ( + types.GetSetDescriptorType, + types.GeneratorType, + types.MemberDescriptorType, + TYPE_NONE, + TYPE_NOTIMPLEMENTED, + types.FunctionType, + types.MethodType, + types.BuiltinFunctionType, + types.ModuleType, + types.TracebackType, + ) + for _type in builtin_types: + if _type.__name__ not in astroid_builtin: + cls = nodes.ClassDef(_type.__name__, _type.__doc__) + cls.parent = astroid_builtin + builder.object_build(cls, _type) + astroid_builtin[_type.__name__] = cls + + +_astroid_bootstrapping() diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/rebuilder.py b/backend/mb-env/lib/python3.9/site-packages/astroid/rebuilder.py new file mode 100644 index 0000000..1911f50 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/rebuilder.py @@ -0,0 +1,1826 @@ +# Copyright (c) 2009-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2013-2020 Claudiu Popa +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2014 Alexander Presnyakov +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016-2017 Derek Gustafson +# Copyright (c) 2016 Jared Garst +# Copyright (c) 2017 Hugo +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2017 rr- +# Copyright (c) 2018-2019 Ville Skyttä +# Copyright (c) 2018 Tomas Gavenciak +# Copyright (c) 2018 Serhiy Storchaka +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2019-2021 Ashley Whetter +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2019 Zbigniew Jędrzejewski-Szmek +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Federico Bond +# Copyright (c) 2021 hippo91 + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""this module contains utilities for rebuilding an _ast tree in +order to get a single Astroid representation +""" + +import sys +from typing import ( + TYPE_CHECKING, + Callable, + Dict, + Generator, + List, + Optional, + Tuple, + Type, + TypeVar, + Union, + cast, + overload, +) + +from astroid import node_classes, nodes +from astroid._ast import ParserModule, get_parser_module, parse_function_type_comment +from astroid.const import PY37_PLUS, PY38_PLUS, PY39_PLUS, Context +from astroid.manager import AstroidManager +from astroid.node_classes import NodeNG + +if sys.version_info >= (3, 8): + from typing import Final +else: + from typing_extensions import Final + +if TYPE_CHECKING: + import ast + + +REDIRECT: Final[Dict[str, str]] = { + "arguments": "Arguments", + "comprehension": "Comprehension", + "ListCompFor": "Comprehension", + "GenExprFor": "Comprehension", + "excepthandler": "ExceptHandler", + "keyword": "Keyword", + "match_case": "MatchCase", +} + + +T_Doc = TypeVar( + "T_Doc", + "ast.Module", + "ast.ClassDef", + Union["ast.FunctionDef", "ast.AsyncFunctionDef"], +) +T_Function = TypeVar("T_Function", nodes.FunctionDef, nodes.AsyncFunctionDef) +T_For = TypeVar("T_For", nodes.For, nodes.AsyncFor) +T_With = TypeVar("T_With", nodes.With, nodes.AsyncWith) + + +# noinspection PyMethodMayBeStatic +class TreeRebuilder: + """Rebuilds the _ast tree to become an Astroid tree""" + + def __init__( + self, manager: AstroidManager, parser_module: Optional[ParserModule] = None + ): + self._manager = manager + self._global_names: List[Dict[str, List[nodes.Global]]] = [] + self._import_from_nodes: List[nodes.ImportFrom] = [] + self._delayed_assattr: List[nodes.AssignAttr] = [] + self._visit_meths: Dict[ + Type["ast.AST"], Callable[["ast.AST", NodeNG], NodeNG] + ] = {} + + if parser_module is None: + self._parser_module = get_parser_module() + else: + self._parser_module = parser_module + self._module = self._parser_module.module + + def _get_doc(self, node: T_Doc) -> Tuple[T_Doc, Optional[str]]: + try: + if PY37_PLUS and hasattr(node, "docstring"): + doc = node.docstring + return node, doc + if node.body and isinstance(node.body[0], self._module.Expr): + + first_value = node.body[0].value + if isinstance(first_value, self._module.Str) or ( + PY38_PLUS + and isinstance(first_value, self._module.Constant) + and isinstance(first_value.value, str) + ): + doc = first_value.value if PY38_PLUS else first_value.s + node.body = node.body[1:] + return node, doc + except IndexError: + pass # ast built from scratch + return node, None + + def _get_context( + self, + node: Union[ + "ast.Attribute", + "ast.List", + "ast.Name", + "ast.Subscript", + "ast.Starred", + "ast.Tuple", + ], + ) -> Context: + return self._parser_module.context_classes.get(type(node.ctx), Context.Load) + + def visit_module( + self, node: "ast.Module", modname: str, modpath: str, package: bool + ) -> nodes.Module: + """visit a Module node by returning a fresh instance of it + + Note: Method not called by 'visit' + """ + node, doc = self._get_doc(node) + newnode = nodes.Module( + name=modname, + doc=doc, + file=modpath, + path=[modpath], + package=package, + parent=None, + ) + newnode.postinit([self.visit(child, newnode) for child in node.body]) + return newnode + + if sys.version_info >= (3, 10): + + @overload + def visit(self, node: "ast.arg", parent: NodeNG) -> nodes.AssignName: + ... + + @overload + def visit(self, node: "ast.arguments", parent: NodeNG) -> nodes.Arguments: + ... + + @overload + def visit(self, node: "ast.Assert", parent: NodeNG) -> nodes.Assert: + ... + + @overload + def visit( + self, node: "ast.AsyncFunctionDef", parent: NodeNG + ) -> nodes.AsyncFunctionDef: + ... + + @overload + def visit(self, node: "ast.AsyncFor", parent: NodeNG) -> nodes.AsyncFor: + ... + + @overload + def visit(self, node: "ast.Await", parent: NodeNG) -> nodes.Await: + ... + + @overload + def visit(self, node: "ast.AsyncWith", parent: NodeNG) -> nodes.AsyncWith: + ... + + @overload + def visit(self, node: "ast.Assign", parent: NodeNG) -> nodes.Assign: + ... + + @overload + def visit(self, node: "ast.AnnAssign", parent: NodeNG) -> nodes.AnnAssign: + ... + + @overload + def visit(self, node: "ast.AugAssign", parent: NodeNG) -> nodes.AugAssign: + ... + + @overload + def visit(self, node: "ast.BinOp", parent: NodeNG) -> nodes.BinOp: + ... + + @overload + def visit(self, node: "ast.BoolOp", parent: NodeNG) -> nodes.BoolOp: + ... + + @overload + def visit(self, node: "ast.Break", parent: NodeNG) -> nodes.Break: + ... + + @overload + def visit(self, node: "ast.Call", parent: NodeNG) -> nodes.Call: + ... + + @overload + def visit(self, node: "ast.ClassDef", parent: NodeNG) -> nodes.ClassDef: + ... + + @overload + def visit(self, node: "ast.Continue", parent: NodeNG) -> nodes.Continue: + ... + + @overload + def visit(self, node: "ast.Compare", parent: NodeNG) -> nodes.Compare: + ... + + @overload + def visit( + self, node: "ast.comprehension", parent: NodeNG + ) -> nodes.Comprehension: + ... + + @overload + def visit(self, node: "ast.Delete", parent: NodeNG) -> nodes.Delete: + ... + + @overload + def visit(self, node: "ast.Dict", parent: NodeNG) -> nodes.Dict: + ... + + @overload + def visit(self, node: "ast.DictComp", parent: NodeNG) -> nodes.DictComp: + ... + + @overload + def visit(self, node: "ast.Expr", parent: NodeNG) -> nodes.Expr: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Ellipsis", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit( + self, node: "ast.ExceptHandler", parent: NodeNG + ) -> nodes.ExceptHandler: + ... + + # Not used in Python 3.9+ + @overload + def visit(self, node: "ast.ExtSlice", parent: nodes.Subscript) -> nodes.Tuple: + ... + + @overload + def visit(self, node: "ast.For", parent: NodeNG) -> nodes.For: + ... + + @overload + def visit(self, node: "ast.ImportFrom", parent: NodeNG) -> nodes.ImportFrom: + ... + + @overload + def visit(self, node: "ast.FunctionDef", parent: NodeNG) -> nodes.FunctionDef: + ... + + @overload + def visit(self, node: "ast.GeneratorExp", parent: NodeNG) -> nodes.GeneratorExp: + ... + + @overload + def visit(self, node: "ast.Attribute", parent: NodeNG) -> nodes.Attribute: + ... + + @overload + def visit(self, node: "ast.Global", parent: NodeNG) -> nodes.Global: + ... + + @overload + def visit(self, node: "ast.If", parent: NodeNG) -> nodes.If: + ... + + @overload + def visit(self, node: "ast.IfExp", parent: NodeNG) -> nodes.IfExp: + ... + + @overload + def visit(self, node: "ast.Import", parent: NodeNG) -> nodes.Import: + ... + + @overload + def visit(self, node: "ast.JoinedStr", parent: NodeNG) -> nodes.JoinedStr: + ... + + @overload + def visit( + self, node: "ast.FormattedValue", parent: NodeNG + ) -> nodes.FormattedValue: + ... + + @overload + def visit(self, node: "ast.NamedExpr", parent: NodeNG) -> nodes.NamedExpr: + ... + + # Not used in Python 3.9+ + @overload + def visit(self, node: "ast.Index", parent: nodes.Subscript) -> NodeNG: + ... + + @overload + def visit(self, node: "ast.keyword", parent: NodeNG) -> nodes.Keyword: + ... + + @overload + def visit(self, node: "ast.Lambda", parent: NodeNG) -> nodes.Lambda: + ... + + @overload + def visit(self, node: "ast.List", parent: NodeNG) -> nodes.List: + ... + + @overload + def visit(self, node: "ast.ListComp", parent: NodeNG) -> nodes.ListComp: + ... + + @overload + def visit( + self, node: "ast.Name", parent: NodeNG + ) -> Union[nodes.Name, nodes.Const, nodes.AssignName, nodes.DelName]: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.NameConstant", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Nonlocal", parent: NodeNG) -> nodes.Nonlocal: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Str", parent: NodeNG) -> nodes.Const: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Bytes", parent: NodeNG) -> nodes.Const: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Num", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Constant", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Pass", parent: NodeNG) -> nodes.Pass: + ... + + @overload + def visit(self, node: "ast.Raise", parent: NodeNG) -> nodes.Raise: + ... + + @overload + def visit(self, node: "ast.Return", parent: NodeNG) -> nodes.Return: + ... + + @overload + def visit(self, node: "ast.Set", parent: NodeNG) -> nodes.Set: + ... + + @overload + def visit(self, node: "ast.SetComp", parent: NodeNG) -> nodes.SetComp: + ... + + @overload + def visit(self, node: "ast.Slice", parent: nodes.Subscript) -> nodes.Slice: + ... + + @overload + def visit(self, node: "ast.Subscript", parent: NodeNG) -> nodes.Subscript: + ... + + @overload + def visit(self, node: "ast.Starred", parent: NodeNG) -> nodes.Starred: + ... + + @overload + def visit( + self, node: "ast.Try", parent: NodeNG + ) -> Union[nodes.TryExcept, nodes.TryFinally]: + ... + + @overload + def visit(self, node: "ast.Tuple", parent: NodeNG) -> nodes.Tuple: + ... + + @overload + def visit(self, node: "ast.UnaryOp", parent: NodeNG) -> nodes.UnaryOp: + ... + + @overload + def visit(self, node: "ast.While", parent: NodeNG) -> nodes.While: + ... + + @overload + def visit(self, node: "ast.With", parent: NodeNG) -> nodes.With: + ... + + @overload + def visit(self, node: "ast.Yield", parent: NodeNG) -> nodes.Yield: + ... + + @overload + def visit(self, node: "ast.YieldFrom", parent: NodeNG) -> nodes.YieldFrom: + ... + + @overload + def visit(self, node: "ast.Match", parent: NodeNG) -> nodes.Match: + ... + + @overload + def visit(self, node: "ast.match_case", parent: NodeNG) -> nodes.MatchCase: + ... + + @overload + def visit(self, node: "ast.MatchValue", parent: NodeNG) -> nodes.MatchValue: + ... + + @overload + def visit( + self, node: "ast.MatchSingleton", parent: NodeNG + ) -> nodes.MatchSingleton: + ... + + @overload + def visit( + self, node: "ast.MatchSequence", parent: NodeNG + ) -> nodes.MatchSequence: + ... + + @overload + def visit(self, node: "ast.MatchMapping", parent: NodeNG) -> nodes.MatchMapping: + ... + + @overload + def visit(self, node: "ast.MatchClass", parent: NodeNG) -> nodes.MatchClass: + ... + + @overload + def visit(self, node: "ast.MatchStar", parent: NodeNG) -> nodes.MatchStar: + ... + + @overload + def visit(self, node: "ast.MatchAs", parent: NodeNG) -> nodes.MatchAs: + ... + + @overload + def visit(self, node: "ast.MatchOr", parent: NodeNG) -> nodes.MatchOr: + ... + + @overload + def visit(self, node: "ast.pattern", parent: NodeNG) -> node_classes.Pattern: + ... + + @overload + def visit(self, node: "ast.AST", parent: NodeNG) -> NodeNG: + ... + + @overload + def visit(self, node: None, parent: NodeNG) -> None: + ... + + def visit(self, node: Optional["ast.AST"], parent: NodeNG) -> Optional[NodeNG]: + if node is None: + return None + cls = node.__class__ + if cls in self._visit_meths: + visit_method = self._visit_meths[cls] + else: + cls_name = cls.__name__ + visit_name = "visit_" + REDIRECT.get(cls_name, cls_name).lower() + visit_method = getattr(self, visit_name) + self._visit_meths[cls] = visit_method + return visit_method(node, parent) + + else: + + @overload + def visit(self, node: "ast.arg", parent: NodeNG) -> nodes.AssignName: + ... + + @overload + def visit(self, node: "ast.arguments", parent: NodeNG) -> nodes.Arguments: + ... + + @overload + def visit(self, node: "ast.Assert", parent: NodeNG) -> nodes.Assert: + ... + + @overload + def visit( + self, node: "ast.AsyncFunctionDef", parent: NodeNG + ) -> nodes.AsyncFunctionDef: + ... + + @overload + def visit(self, node: "ast.AsyncFor", parent: NodeNG) -> nodes.AsyncFor: + ... + + @overload + def visit(self, node: "ast.Await", parent: NodeNG) -> nodes.Await: + ... + + @overload + def visit(self, node: "ast.AsyncWith", parent: NodeNG) -> nodes.AsyncWith: + ... + + @overload + def visit(self, node: "ast.Assign", parent: NodeNG) -> nodes.Assign: + ... + + @overload + def visit(self, node: "ast.AnnAssign", parent: NodeNG) -> nodes.AnnAssign: + ... + + @overload + def visit(self, node: "ast.AugAssign", parent: NodeNG) -> nodes.AugAssign: + ... + + @overload + def visit(self, node: "ast.BinOp", parent: NodeNG) -> nodes.BinOp: + ... + + @overload + def visit(self, node: "ast.BoolOp", parent: NodeNG) -> nodes.BoolOp: + ... + + @overload + def visit(self, node: "ast.Break", parent: NodeNG) -> nodes.Break: + ... + + @overload + def visit(self, node: "ast.Call", parent: NodeNG) -> nodes.Call: + ... + + @overload + def visit(self, node: "ast.ClassDef", parent: NodeNG) -> nodes.ClassDef: + ... + + @overload + def visit(self, node: "ast.Continue", parent: NodeNG) -> nodes.Continue: + ... + + @overload + def visit(self, node: "ast.Compare", parent: NodeNG) -> nodes.Compare: + ... + + @overload + def visit( + self, node: "ast.comprehension", parent: NodeNG + ) -> nodes.Comprehension: + ... + + @overload + def visit(self, node: "ast.Delete", parent: NodeNG) -> nodes.Delete: + ... + + @overload + def visit(self, node: "ast.Dict", parent: NodeNG) -> nodes.Dict: + ... + + @overload + def visit(self, node: "ast.DictComp", parent: NodeNG) -> nodes.DictComp: + ... + + @overload + def visit(self, node: "ast.Expr", parent: NodeNG) -> nodes.Expr: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Ellipsis", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit( + self, node: "ast.ExceptHandler", parent: NodeNG + ) -> nodes.ExceptHandler: + ... + + # Not used in Python 3.9+ + @overload + def visit(self, node: "ast.ExtSlice", parent: nodes.Subscript) -> nodes.Tuple: + ... + + @overload + def visit(self, node: "ast.For", parent: NodeNG) -> nodes.For: + ... + + @overload + def visit(self, node: "ast.ImportFrom", parent: NodeNG) -> nodes.ImportFrom: + ... + + @overload + def visit(self, node: "ast.FunctionDef", parent: NodeNG) -> nodes.FunctionDef: + ... + + @overload + def visit(self, node: "ast.GeneratorExp", parent: NodeNG) -> nodes.GeneratorExp: + ... + + @overload + def visit(self, node: "ast.Attribute", parent: NodeNG) -> nodes.Attribute: + ... + + @overload + def visit(self, node: "ast.Global", parent: NodeNG) -> nodes.Global: + ... + + @overload + def visit(self, node: "ast.If", parent: NodeNG) -> nodes.If: + ... + + @overload + def visit(self, node: "ast.IfExp", parent: NodeNG) -> nodes.IfExp: + ... + + @overload + def visit(self, node: "ast.Import", parent: NodeNG) -> nodes.Import: + ... + + @overload + def visit(self, node: "ast.JoinedStr", parent: NodeNG) -> nodes.JoinedStr: + ... + + @overload + def visit( + self, node: "ast.FormattedValue", parent: NodeNG + ) -> nodes.FormattedValue: + ... + + @overload + def visit(self, node: "ast.NamedExpr", parent: NodeNG) -> nodes.NamedExpr: + ... + + # Not used in Python 3.9+ + @overload + def visit(self, node: "ast.Index", parent: nodes.Subscript) -> NodeNG: + ... + + @overload + def visit(self, node: "ast.keyword", parent: NodeNG) -> nodes.Keyword: + ... + + @overload + def visit(self, node: "ast.Lambda", parent: NodeNG) -> nodes.Lambda: + ... + + @overload + def visit(self, node: "ast.List", parent: NodeNG) -> nodes.List: + ... + + @overload + def visit(self, node: "ast.ListComp", parent: NodeNG) -> nodes.ListComp: + ... + + @overload + def visit( + self, node: "ast.Name", parent: NodeNG + ) -> Union[nodes.Name, nodes.Const, nodes.AssignName, nodes.DelName]: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.NameConstant", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Nonlocal", parent: NodeNG) -> nodes.Nonlocal: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Str", parent: NodeNG) -> nodes.Const: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Bytes", parent: NodeNG) -> nodes.Const: + ... + + # Not used in Python 3.8+ + @overload + def visit(self, node: "ast.Num", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Constant", parent: NodeNG) -> nodes.Const: + ... + + @overload + def visit(self, node: "ast.Pass", parent: NodeNG) -> nodes.Pass: + ... + + @overload + def visit(self, node: "ast.Raise", parent: NodeNG) -> nodes.Raise: + ... + + @overload + def visit(self, node: "ast.Return", parent: NodeNG) -> nodes.Return: + ... + + @overload + def visit(self, node: "ast.Set", parent: NodeNG) -> nodes.Set: + ... + + @overload + def visit(self, node: "ast.SetComp", parent: NodeNG) -> nodes.SetComp: + ... + + @overload + def visit(self, node: "ast.Slice", parent: nodes.Subscript) -> nodes.Slice: + ... + + @overload + def visit(self, node: "ast.Subscript", parent: NodeNG) -> nodes.Subscript: + ... + + @overload + def visit(self, node: "ast.Starred", parent: NodeNG) -> nodes.Starred: + ... + + @overload + def visit( + self, node: "ast.Try", parent: NodeNG + ) -> Union[nodes.TryExcept, nodes.TryFinally]: + ... + + @overload + def visit(self, node: "ast.Tuple", parent: NodeNG) -> nodes.Tuple: + ... + + @overload + def visit(self, node: "ast.UnaryOp", parent: NodeNG) -> nodes.UnaryOp: + ... + + @overload + def visit(self, node: "ast.While", parent: NodeNG) -> nodes.While: + ... + + @overload + def visit(self, node: "ast.With", parent: NodeNG) -> nodes.With: + ... + + @overload + def visit(self, node: "ast.Yield", parent: NodeNG) -> nodes.Yield: + ... + + @overload + def visit(self, node: "ast.YieldFrom", parent: NodeNG) -> nodes.YieldFrom: + ... + + @overload + def visit(self, node: "ast.AST", parent: NodeNG) -> NodeNG: + ... + + @overload + def visit(self, node: None, parent: NodeNG) -> None: + ... + + def visit(self, node: Optional["ast.AST"], parent: NodeNG) -> Optional[NodeNG]: + if node is None: + return None + cls = node.__class__ + if cls in self._visit_meths: + visit_method = self._visit_meths[cls] + else: + cls_name = cls.__name__ + visit_name = "visit_" + REDIRECT.get(cls_name, cls_name).lower() + visit_method = getattr(self, visit_name) + self._visit_meths[cls] = visit_method + return visit_method(node, parent) + + def _save_assignment(self, node: Union[nodes.AssignName, nodes.DelName]) -> None: + """save assignement situation since node.parent is not available yet""" + if self._global_names and node.name in self._global_names[-1]: + node.root().set_local(node.name, node) + else: + node.parent.set_local(node.name, node) + + def visit_arg(self, node: "ast.arg", parent: NodeNG) -> nodes.AssignName: + """visit an arg node by returning a fresh AssName instance""" + return self.visit_assignname(node, parent, node.arg) + + def visit_arguments(self, node: "ast.arguments", parent: NodeNG) -> nodes.Arguments: + """visit an Arguments node by returning a fresh instance of it""" + vararg: Optional[str] = None + kwarg: Optional[str] = None + newnode = nodes.Arguments( + node.vararg.arg if node.vararg else None, + node.kwarg.arg if node.kwarg else None, + parent, + ) + args = [self.visit(child, newnode) for child in node.args] + defaults = [self.visit(child, newnode) for child in node.defaults] + varargannotation: Optional[NodeNG] = None + kwargannotation: Optional[NodeNG] = None + posonlyargs: List[nodes.AssignName] = [] + if node.vararg: + vararg = node.vararg.arg + varargannotation = self.visit(node.vararg.annotation, newnode) + if node.kwarg: + kwarg = node.kwarg.arg + kwargannotation = self.visit(node.kwarg.annotation, newnode) + kwonlyargs = [self.visit(child, newnode) for child in node.kwonlyargs] + kw_defaults = [self.visit(child, newnode) for child in node.kw_defaults] + annotations = [self.visit(arg.annotation, newnode) for arg in node.args] + kwonlyargs_annotations = [ + self.visit(arg.annotation, newnode) for arg in node.kwonlyargs + ] + + posonlyargs_annotations: List[Optional[NodeNG]] = [] + if PY38_PLUS: + posonlyargs = [self.visit(child, newnode) for child in node.posonlyargs] + posonlyargs_annotations = [ + self.visit(arg.annotation, newnode) for arg in node.posonlyargs + ] + type_comment_args = [ + self.check_type_comment(child, parent=newnode) for child in node.args + ] + type_comment_kwonlyargs = [ + self.check_type_comment(child, parent=newnode) for child in node.kwonlyargs + ] + type_comment_posonlyargs: List[Optional[NodeNG]] = [] + if PY38_PLUS: + type_comment_posonlyargs = [ + self.check_type_comment(child, parent=newnode) + for child in node.posonlyargs + ] + + newnode.postinit( + args=args, + defaults=defaults, + kwonlyargs=kwonlyargs, + posonlyargs=posonlyargs, + kw_defaults=kw_defaults, + annotations=annotations, + kwonlyargs_annotations=kwonlyargs_annotations, + posonlyargs_annotations=posonlyargs_annotations, + varargannotation=varargannotation, + kwargannotation=kwargannotation, + type_comment_args=type_comment_args, + type_comment_kwonlyargs=type_comment_kwonlyargs, + type_comment_posonlyargs=type_comment_posonlyargs, + ) + # save argument names in locals: + if vararg: + newnode.parent.set_local(vararg, newnode) + if kwarg: + newnode.parent.set_local(kwarg, newnode) + return newnode + + def visit_assert(self, node: "ast.Assert", parent: NodeNG) -> nodes.Assert: + """visit a Assert node by returning a fresh instance of it""" + newnode = nodes.Assert(node.lineno, node.col_offset, parent) + msg: Optional[NodeNG] = None + if node.msg: + msg = self.visit(node.msg, newnode) + newnode.postinit(self.visit(node.test, newnode), msg) + return newnode + + def check_type_comment( + self, + node: Union[ + "ast.Assign", + "ast.arg", + "ast.For", + "ast.AsyncFor", + "ast.With", + "ast.AsyncWith", + ], + parent: Union[ + nodes.Assign, + nodes.Arguments, + nodes.For, + nodes.AsyncFor, + nodes.With, + nodes.AsyncWith, + ], + ) -> Optional[NodeNG]: + type_comment = getattr(node, "type_comment", None) # Added in Python 3.8 + if not type_comment: + return None + + try: + type_comment_ast = self._parser_module.parse(type_comment) + except SyntaxError: + # Invalid type comment, just skip it. + return None + + type_object = self.visit(type_comment_ast.body[0], parent=parent) + if not isinstance(type_object, nodes.Expr): + return None + + return type_object.value + + def check_function_type_comment( + self, node: Union["ast.FunctionDef", "ast.AsyncFunctionDef"], parent: NodeNG + ) -> Optional[Tuple[Optional[NodeNG], List[NodeNG]]]: + type_comment = getattr(node, "type_comment", None) # Added in Python 3.8 + if not type_comment: + return None + + try: + type_comment_ast = parse_function_type_comment(type_comment) + except SyntaxError: + # Invalid type comment, just skip it. + return None + + returns: Optional[NodeNG] = None + argtypes: List[NodeNG] = [ + self.visit(elem, parent) for elem in (type_comment_ast.argtypes or []) + ] + if type_comment_ast.returns: + returns = self.visit(type_comment_ast.returns, parent) + + return returns, argtypes + + def visit_asyncfunctiondef( + self, node: "ast.AsyncFunctionDef", parent: NodeNG + ) -> nodes.AsyncFunctionDef: + return self._visit_functiondef(nodes.AsyncFunctionDef, node, parent) + + def visit_asyncfor(self, node: "ast.AsyncFor", parent: NodeNG) -> nodes.AsyncFor: + return self._visit_for(nodes.AsyncFor, node, parent) + + def visit_await(self, node: "ast.Await", parent: NodeNG) -> nodes.Await: + newnode = nodes.Await(node.lineno, node.col_offset, parent) + newnode.postinit(value=self.visit(node.value, newnode)) + return newnode + + def visit_asyncwith(self, node: "ast.AsyncWith", parent: NodeNG) -> nodes.AsyncWith: + return self._visit_with(nodes.AsyncWith, node, parent) + + def visit_assign(self, node: "ast.Assign", parent: NodeNG) -> nodes.Assign: + """visit a Assign node by returning a fresh instance of it""" + newnode = nodes.Assign(node.lineno, node.col_offset, parent) + type_annotation = self.check_type_comment(node, parent=newnode) + newnode.postinit( + targets=[self.visit(child, newnode) for child in node.targets], + value=self.visit(node.value, newnode), + type_annotation=type_annotation, + ) + return newnode + + def visit_annassign(self, node: "ast.AnnAssign", parent: NodeNG) -> nodes.AnnAssign: + """visit an AnnAssign node by returning a fresh instance of it""" + newnode = nodes.AnnAssign(node.lineno, node.col_offset, parent) + newnode.postinit( + target=self.visit(node.target, newnode), + annotation=self.visit(node.annotation, newnode), + simple=node.simple, + value=self.visit(node.value, newnode), + ) + return newnode + + @overload + def visit_assignname( + self, node: "ast.AST", parent: NodeNG, node_name: str + ) -> nodes.AssignName: + ... + + @overload + def visit_assignname( + self, node: "ast.AST", parent: NodeNG, node_name: None + ) -> None: + ... + + def visit_assignname( + self, node: "ast.AST", parent: NodeNG, node_name: Optional[str] + ) -> Optional[nodes.AssignName]: + """visit a node and return a AssignName node + + Note: Method not called by 'visit' + """ + if node_name is None: + return None + newnode = nodes.AssignName( + node_name, + node.lineno, + node.col_offset, + parent, + ) + self._save_assignment(newnode) + return newnode + + def visit_augassign(self, node: "ast.AugAssign", parent: NodeNG) -> nodes.AugAssign: + """visit a AugAssign node by returning a fresh instance of it""" + newnode = nodes.AugAssign( + self._parser_module.bin_op_classes[type(node.op)] + "=", + node.lineno, + node.col_offset, + parent, + ) + newnode.postinit( + self.visit(node.target, newnode), self.visit(node.value, newnode) + ) + return newnode + + def visit_binop(self, node: "ast.BinOp", parent: NodeNG) -> nodes.BinOp: + """visit a BinOp node by returning a fresh instance of it""" + newnode = nodes.BinOp( + self._parser_module.bin_op_classes[type(node.op)], + node.lineno, + node.col_offset, + parent, + ) + newnode.postinit( + self.visit(node.left, newnode), self.visit(node.right, newnode) + ) + return newnode + + def visit_boolop(self, node: "ast.BoolOp", parent: NodeNG) -> nodes.BoolOp: + """visit a BoolOp node by returning a fresh instance of it""" + newnode = nodes.BoolOp( + self._parser_module.bool_op_classes[type(node.op)], + node.lineno, + node.col_offset, + parent, + ) + newnode.postinit([self.visit(child, newnode) for child in node.values]) + return newnode + + def visit_break(self, node: "ast.Break", parent: NodeNG) -> nodes.Break: + """visit a Break node by returning a fresh instance of it""" + return nodes.Break(node.lineno, node.col_offset, parent) + + def visit_call(self, node: "ast.Call", parent: NodeNG) -> nodes.Call: + """visit a CallFunc node by returning a fresh instance of it""" + newnode = nodes.Call(node.lineno, node.col_offset, parent) + newnode.postinit( + func=self.visit(node.func, newnode), + args=[self.visit(child, newnode) for child in node.args], + keywords=[self.visit(child, newnode) for child in node.keywords], + ) + return newnode + + def visit_classdef( + self, node: "ast.ClassDef", parent: NodeNG, newstyle: bool = True + ) -> nodes.ClassDef: + """visit a ClassDef node to become astroid""" + node, doc = self._get_doc(node) + newnode = nodes.ClassDef(node.name, doc, node.lineno, node.col_offset, parent) + metaclass = None + for keyword in node.keywords: + if keyword.arg == "metaclass": + metaclass = self.visit(keyword, newnode).value + break + decorators = self.visit_decorators(node, newnode) + newnode.postinit( + [self.visit(child, newnode) for child in node.bases], + [self.visit(child, newnode) for child in node.body], + decorators, + newstyle, + metaclass, + [ + self.visit(kwd, newnode) + for kwd in node.keywords + if kwd.arg != "metaclass" + ], + ) + return newnode + + def visit_continue(self, node: "ast.Continue", parent: NodeNG) -> nodes.Continue: + """visit a Continue node by returning a fresh instance of it""" + return nodes.Continue(node.lineno, node.col_offset, parent) + + def visit_compare(self, node: "ast.Compare", parent: NodeNG) -> nodes.Compare: + """visit a Compare node by returning a fresh instance of it""" + newnode = nodes.Compare(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.left, newnode), + [ + ( + self._parser_module.cmp_op_classes[op.__class__], + self.visit(expr, newnode), + ) + for (op, expr) in zip(node.ops, node.comparators) + ], + ) + return newnode + + def visit_comprehension( + self, node: "ast.comprehension", parent: NodeNG + ) -> nodes.Comprehension: + """visit a Comprehension node by returning a fresh instance of it""" + newnode = nodes.Comprehension(parent) + newnode.postinit( + self.visit(node.target, newnode), + self.visit(node.iter, newnode), + [self.visit(child, newnode) for child in node.ifs], + bool(node.is_async), + ) + return newnode + + def visit_decorators( + self, + node: Union["ast.ClassDef", "ast.FunctionDef", "ast.AsyncFunctionDef"], + parent: NodeNG, + ) -> Optional[nodes.Decorators]: + """visit a Decorators node by returning a fresh instance of it + + Note: Method not called by 'visit' + """ + if not node.decorator_list: + return None + # /!\ node is actually an _ast.FunctionDef node while + # parent is an astroid.nodes.FunctionDef node + if PY38_PLUS: + # Set the line number of the first decorator for Python 3.8+. + lineno = node.decorator_list[0].lineno + else: + lineno = node.lineno + newnode = nodes.Decorators(lineno, node.col_offset, parent) + newnode.postinit([self.visit(child, newnode) for child in node.decorator_list]) + return newnode + + def visit_delete(self, node: "ast.Delete", parent: NodeNG) -> nodes.Delete: + """visit a Delete node by returning a fresh instance of it""" + newnode = nodes.Delete(node.lineno, node.col_offset, parent) + newnode.postinit([self.visit(child, newnode) for child in node.targets]) + return newnode + + def _visit_dict_items( + self, node: "ast.Dict", parent: NodeNG, newnode: nodes.Dict + ) -> Generator[Tuple[NodeNG, NodeNG], None, None]: + for key, value in zip(node.keys, node.values): + rebuilt_key: NodeNG + rebuilt_value = self.visit(value, newnode) + if not key: + # Extended unpacking + rebuilt_key = nodes.DictUnpack( + rebuilt_value.lineno, rebuilt_value.col_offset, parent + ) + else: + rebuilt_key = self.visit(key, newnode) + yield rebuilt_key, rebuilt_value + + def visit_dict(self, node: "ast.Dict", parent: NodeNG) -> nodes.Dict: + """visit a Dict node by returning a fresh instance of it""" + newnode = nodes.Dict(node.lineno, node.col_offset, parent) + items = list(self._visit_dict_items(node, parent, newnode)) + newnode.postinit(items) + return newnode + + def visit_dictcomp(self, node: "ast.DictComp", parent: NodeNG) -> nodes.DictComp: + """visit a DictComp node by returning a fresh instance of it""" + newnode = nodes.DictComp(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.key, newnode), + self.visit(node.value, newnode), + [self.visit(child, newnode) for child in node.generators], + ) + return newnode + + def visit_expr(self, node: "ast.Expr", parent: NodeNG) -> nodes.Expr: + """visit a Expr node by returning a fresh instance of it""" + newnode = nodes.Expr(node.lineno, node.col_offset, parent) + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + # Not used in Python 3.8+. + def visit_ellipsis(self, node: "ast.Ellipsis", parent: NodeNG) -> nodes.Const: + """visit an Ellipsis node by returning a fresh instance of Const""" + return nodes.Const( + value=Ellipsis, + lineno=node.lineno, + col_offset=node.col_offset, + parent=parent, + ) + + def visit_excepthandler( + self, node: "ast.ExceptHandler", parent: NodeNG + ) -> nodes.ExceptHandler: + """visit an ExceptHandler node by returning a fresh instance of it""" + newnode = nodes.ExceptHandler(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.type, newnode), + self.visit_assignname(node, newnode, node.name), + [self.visit(child, newnode) for child in node.body], + ) + return newnode + + # Not used in Python 3.9+. + def visit_extslice( + self, node: "ast.ExtSlice", parent: nodes.Subscript + ) -> nodes.Tuple: + """visit an ExtSlice node by returning a fresh instance of Tuple""" + newnode = nodes.Tuple(ctx=Context.Load, parent=parent) + newnode.postinit([self.visit(dim, newnode) for dim in node.dims]) # type: ignore + return newnode + + @overload + def _visit_for( + self, cls: Type[nodes.For], node: "ast.For", parent: NodeNG + ) -> nodes.For: + ... + + @overload + def _visit_for( + self, cls: Type[nodes.AsyncFor], node: "ast.AsyncFor", parent: NodeNG + ) -> nodes.AsyncFor: + ... + + def _visit_for( + self, cls: Type[T_For], node: Union["ast.For", "ast.AsyncFor"], parent: NodeNG + ) -> T_For: + """visit a For node by returning a fresh instance of it""" + newnode = cls(node.lineno, node.col_offset, parent) + type_annotation = self.check_type_comment(node, parent=newnode) + newnode.postinit( + target=self.visit(node.target, newnode), + iter=self.visit(node.iter, newnode), + body=[self.visit(child, newnode) for child in node.body], + orelse=[self.visit(child, newnode) for child in node.orelse], + type_annotation=type_annotation, + ) + return newnode + + def visit_for(self, node: "ast.For", parent: NodeNG) -> nodes.For: + return self._visit_for(nodes.For, node, parent) + + def visit_importfrom( + self, node: "ast.ImportFrom", parent: NodeNG + ) -> nodes.ImportFrom: + """visit an ImportFrom node by returning a fresh instance of it""" + names = [(alias.name, alias.asname) for alias in node.names] + newnode = nodes.ImportFrom( + node.module or "", + names, + node.level or None, + node.lineno, + node.col_offset, + parent, + ) + # store From names to add them to locals after building + self._import_from_nodes.append(newnode) + return newnode + + @overload + def _visit_functiondef( + self, cls: Type[nodes.FunctionDef], node: "ast.FunctionDef", parent: NodeNG + ) -> nodes.FunctionDef: + ... + + @overload + def _visit_functiondef( + self, + cls: Type[nodes.AsyncFunctionDef], + node: "ast.AsyncFunctionDef", + parent: NodeNG, + ) -> nodes.AsyncFunctionDef: + ... + + def _visit_functiondef( + self, + cls: Type[T_Function], + node: Union["ast.FunctionDef", "ast.AsyncFunctionDef"], + parent: NodeNG, + ) -> T_Function: + """visit an FunctionDef node to become astroid""" + self._global_names.append({}) + node, doc = self._get_doc(node) + + lineno = node.lineno + if PY38_PLUS and node.decorator_list: + # Python 3.8 sets the line number of a decorated function + # to be the actual line number of the function, but the + # previous versions expected the decorator's line number instead. + # We reset the function's line number to that of the + # first decorator to maintain backward compatibility. + # It's not ideal but this discrepancy was baked into + # the framework for *years*. + lineno = node.decorator_list[0].lineno + + newnode = cls(node.name, doc, lineno, node.col_offset, parent) + decorators = self.visit_decorators(node, newnode) + returns: Optional[NodeNG] + if node.returns: + returns = self.visit(node.returns, newnode) + else: + returns = None + + type_comment_args = type_comment_returns = None + type_comment_annotation = self.check_function_type_comment(node, newnode) + if type_comment_annotation: + type_comment_returns, type_comment_args = type_comment_annotation + newnode.postinit( + args=self.visit(node.args, newnode), + body=[self.visit(child, newnode) for child in node.body], + decorators=decorators, + returns=returns, + type_comment_returns=type_comment_returns, + type_comment_args=type_comment_args, + ) + self._global_names.pop() + return newnode + + def visit_functiondef( + self, node: "ast.FunctionDef", parent: NodeNG + ) -> nodes.FunctionDef: + return self._visit_functiondef(nodes.FunctionDef, node, parent) + + def visit_generatorexp( + self, node: "ast.GeneratorExp", parent: NodeNG + ) -> nodes.GeneratorExp: + """visit a GeneratorExp node by returning a fresh instance of it""" + newnode = nodes.GeneratorExp(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.elt, newnode), + [self.visit(child, newnode) for child in node.generators], + ) + return newnode + + def visit_attribute( + self, node: "ast.Attribute", parent: NodeNG + ) -> Union[nodes.Attribute, nodes.AssignAttr, nodes.DelAttr]: + """visit an Attribute node by returning a fresh instance of it""" + context = self._get_context(node) + newnode: Union[nodes.Attribute, nodes.AssignAttr, nodes.DelAttr] + if context == Context.Del: + # FIXME : maybe we should reintroduce and visit_delattr ? + # for instance, deactivating assign_ctx + newnode = nodes.DelAttr(node.attr, node.lineno, node.col_offset, parent) + elif context == Context.Store: + newnode = nodes.AssignAttr(node.attr, node.lineno, node.col_offset, parent) + # Prohibit a local save if we are in an ExceptHandler. + if not isinstance(parent, nodes.ExceptHandler): + self._delayed_assattr.append(newnode) + else: + newnode = nodes.Attribute(node.attr, node.lineno, node.col_offset, parent) + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + def visit_global(self, node: "ast.Global", parent: NodeNG) -> nodes.Global: + """visit a Global node to become astroid""" + newnode = nodes.Global( + node.names, + node.lineno, + node.col_offset, + parent, + ) + if self._global_names: # global at the module level, no effect + for name in node.names: + self._global_names[-1].setdefault(name, []).append(newnode) + return newnode + + def visit_if(self, node: "ast.If", parent: NodeNG) -> nodes.If: + """visit an If node by returning a fresh instance of it""" + newnode = nodes.If(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.test, newnode), + [self.visit(child, newnode) for child in node.body], + [self.visit(child, newnode) for child in node.orelse], + ) + return newnode + + def visit_ifexp(self, node: "ast.IfExp", parent: NodeNG) -> nodes.IfExp: + """visit a IfExp node by returning a fresh instance of it""" + newnode = nodes.IfExp(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.test, newnode), + self.visit(node.body, newnode), + self.visit(node.orelse, newnode), + ) + return newnode + + def visit_import(self, node: "ast.Import", parent: NodeNG) -> nodes.Import: + """visit a Import node by returning a fresh instance of it""" + names = [(alias.name, alias.asname) for alias in node.names] + newnode = nodes.Import( + names, + node.lineno, + node.col_offset, + parent, + ) + # save import names in parent's locals: + for (name, asname) in newnode.names: + name = asname or name + parent.set_local(name.split(".")[0], newnode) + return newnode + + def visit_joinedstr(self, node: "ast.JoinedStr", parent: NodeNG) -> nodes.JoinedStr: + newnode = nodes.JoinedStr(node.lineno, node.col_offset, parent) + newnode.postinit([self.visit(child, newnode) for child in node.values]) + return newnode + + def visit_formattedvalue( + self, node: "ast.FormattedValue", parent: NodeNG + ) -> nodes.FormattedValue: + newnode = nodes.FormattedValue(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.value, newnode), + node.conversion, + self.visit(node.format_spec, newnode), + ) + return newnode + + def visit_namedexpr(self, node: "ast.NamedExpr", parent: NodeNG) -> nodes.NamedExpr: + newnode = nodes.NamedExpr(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.target, newnode), self.visit(node.value, newnode) + ) + return newnode + + # Not used in Python 3.9+. + def visit_index(self, node: "ast.Index", parent: nodes.Subscript) -> NodeNG: + """visit a Index node by returning a fresh instance of NodeNG""" + return self.visit(node.value, parent) # type: ignore + + def visit_keyword(self, node: "ast.keyword", parent: NodeNG) -> nodes.Keyword: + """visit a Keyword node by returning a fresh instance of it""" + if PY39_PLUS: + newnode = nodes.Keyword(node.arg, node.lineno, node.col_offset, parent) + else: + newnode = nodes.Keyword(node.arg, parent=parent) + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + def visit_lambda(self, node: "ast.Lambda", parent: NodeNG) -> nodes.Lambda: + """visit a Lambda node by returning a fresh instance of it""" + newnode = nodes.Lambda(node.lineno, node.col_offset, parent) + newnode.postinit(self.visit(node.args, newnode), self.visit(node.body, newnode)) + return newnode + + def visit_list(self, node: "ast.List", parent: NodeNG) -> nodes.List: + """visit a List node by returning a fresh instance of it""" + context = self._get_context(node) + newnode = nodes.List( + ctx=context, lineno=node.lineno, col_offset=node.col_offset, parent=parent + ) + newnode.postinit([self.visit(child, newnode) for child in node.elts]) + return newnode + + def visit_listcomp(self, node: "ast.ListComp", parent: NodeNG) -> nodes.ListComp: + """visit a ListComp node by returning a fresh instance of it""" + newnode = nodes.ListComp(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.elt, newnode), + [self.visit(child, newnode) for child in node.generators], + ) + return newnode + + def visit_name( + self, node: "ast.Name", parent: NodeNG + ) -> Union[nodes.Name, nodes.AssignName, nodes.DelName]: + """visit a Name node by returning a fresh instance of it""" + context = self._get_context(node) + newnode: Union[nodes.Name, nodes.AssignName, nodes.DelName] + if context == Context.Del: + newnode = nodes.DelName(node.id, node.lineno, node.col_offset, parent) + elif context == Context.Store: + newnode = nodes.AssignName(node.id, node.lineno, node.col_offset, parent) + else: + newnode = nodes.Name(node.id, node.lineno, node.col_offset, parent) + # XXX REMOVE me : + if context in (Context.Del, Context.Store): # 'Aug' ?? + newnode = cast(Union[nodes.AssignName, nodes.DelName], newnode) + self._save_assignment(newnode) + return newnode + + # Not used in Python 3.8+. + def visit_nameconstant( + self, node: "ast.NameConstant", parent: NodeNG + ) -> nodes.Const: + # For singleton values True / False / None + return nodes.Const( + node.value, + node.lineno, + node.col_offset, + parent, + ) + + def visit_nonlocal(self, node: "ast.Nonlocal", parent: NodeNG) -> nodes.Nonlocal: + """visit a Nonlocal node and return a new instance of it""" + return nodes.Nonlocal( + node.names, + node.lineno, + node.col_offset, + parent, + ) + + def visit_constant(self, node: "ast.Constant", parent: NodeNG) -> nodes.Const: + """visit a Constant node by returning a fresh instance of Const""" + return nodes.Const( + node.value, + node.lineno, + node.col_offset, + parent, + node.kind, + ) + + # Not used in Python 3.8+. + def visit_str( + self, node: Union["ast.Str", "ast.Bytes"], parent: NodeNG + ) -> nodes.Const: + """visit a String/Bytes node by returning a fresh instance of Const""" + return nodes.Const( + node.s, + node.lineno, + node.col_offset, + parent, + ) + + # Not used in Python 3.8+ + visit_bytes = visit_str + + # Not used in Python 3.8+. + def visit_num(self, node: "ast.Num", parent: NodeNG) -> nodes.Const: + """visit a Num node by returning a fresh instance of Const""" + return nodes.Const( + node.n, + node.lineno, + node.col_offset, + parent, + ) + + def visit_pass(self, node: "ast.Pass", parent: NodeNG) -> nodes.Pass: + """visit a Pass node by returning a fresh instance of it""" + return nodes.Pass(node.lineno, node.col_offset, parent) + + def visit_raise(self, node: "ast.Raise", parent: NodeNG) -> nodes.Raise: + """visit a Raise node by returning a fresh instance of it""" + newnode = nodes.Raise(node.lineno, node.col_offset, parent) + # no traceback; anyway it is not used in Pylint + newnode.postinit( + exc=self.visit(node.exc, newnode), + cause=self.visit(node.cause, newnode), + ) + return newnode + + def visit_return(self, node: "ast.Return", parent: NodeNG) -> nodes.Return: + """visit a Return node by returning a fresh instance of it""" + newnode = nodes.Return(node.lineno, node.col_offset, parent) + if node.value is not None: + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + def visit_set(self, node: "ast.Set", parent: NodeNG) -> nodes.Set: + """visit a Set node by returning a fresh instance of it""" + newnode = nodes.Set(node.lineno, node.col_offset, parent) + newnode.postinit([self.visit(child, newnode) for child in node.elts]) + return newnode + + def visit_setcomp(self, node: "ast.SetComp", parent: NodeNG) -> nodes.SetComp: + """visit a SetComp node by returning a fresh instance of it""" + newnode = nodes.SetComp(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.elt, newnode), + [self.visit(child, newnode) for child in node.generators], + ) + return newnode + + def visit_slice(self, node: "ast.Slice", parent: nodes.Subscript) -> nodes.Slice: + """visit a Slice node by returning a fresh instance of it""" + newnode = nodes.Slice(parent=parent) + newnode.postinit( + lower=self.visit(node.lower, newnode), + upper=self.visit(node.upper, newnode), + step=self.visit(node.step, newnode), + ) + return newnode + + def visit_subscript(self, node: "ast.Subscript", parent: NodeNG) -> nodes.Subscript: + """visit a Subscript node by returning a fresh instance of it""" + context = self._get_context(node) + newnode = nodes.Subscript( + ctx=context, lineno=node.lineno, col_offset=node.col_offset, parent=parent + ) + newnode.postinit( + self.visit(node.value, newnode), self.visit(node.slice, newnode) + ) + return newnode + + def visit_starred(self, node: "ast.Starred", parent: NodeNG) -> nodes.Starred: + """visit a Starred node and return a new instance of it""" + context = self._get_context(node) + newnode = nodes.Starred( + ctx=context, lineno=node.lineno, col_offset=node.col_offset, parent=parent + ) + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + def visit_tryexcept(self, node: "ast.Try", parent: NodeNG) -> nodes.TryExcept: + """visit a TryExcept node by returning a fresh instance of it""" + newnode = nodes.TryExcept(node.lineno, node.col_offset, parent) + newnode.postinit( + [self.visit(child, newnode) for child in node.body], + [self.visit(child, newnode) for child in node.handlers], + [self.visit(child, newnode) for child in node.orelse], + ) + return newnode + + def visit_try( + self, node: "ast.Try", parent: NodeNG + ) -> Union[nodes.TryExcept, nodes.TryFinally, None]: + # python 3.3 introduce a new Try node replacing + # TryFinally/TryExcept nodes + if node.finalbody: + newnode = nodes.TryFinally(node.lineno, node.col_offset, parent) + body: Union[List[nodes.TryExcept], List[NodeNG]] + if node.handlers: + body = [self.visit_tryexcept(node, newnode)] + else: + body = [self.visit(child, newnode) for child in node.body] + newnode.postinit(body, [self.visit(n, newnode) for n in node.finalbody]) + return newnode + if node.handlers: + return self.visit_tryexcept(node, parent) + return None + + def visit_tryfinally(self, node: "ast.Try", parent: NodeNG) -> nodes.TryFinally: + """visit a TryFinally node by returning a fresh instance of it""" + newnode = nodes.TryFinally(node.lineno, node.col_offset, parent) + newnode.postinit( + [self.visit(child, newnode) for child in node.body], + [self.visit(n, newnode) for n in node.finalbody], + ) + return newnode + + def visit_tuple(self, node: "ast.Tuple", parent: NodeNG) -> nodes.Tuple: + """visit a Tuple node by returning a fresh instance of it""" + context = self._get_context(node) + newnode = nodes.Tuple( + ctx=context, lineno=node.lineno, col_offset=node.col_offset, parent=parent + ) + newnode.postinit([self.visit(child, newnode) for child in node.elts]) + return newnode + + def visit_unaryop(self, node: "ast.UnaryOp", parent: NodeNG) -> nodes.UnaryOp: + """visit a UnaryOp node by returning a fresh instance of it""" + newnode = nodes.UnaryOp( + self._parser_module.unary_op_classes[node.op.__class__], + node.lineno, + node.col_offset, + parent, + ) + newnode.postinit(self.visit(node.operand, newnode)) + return newnode + + def visit_while(self, node: "ast.While", parent: NodeNG) -> nodes.While: + """visit a While node by returning a fresh instance of it""" + newnode = nodes.While(node.lineno, node.col_offset, parent) + newnode.postinit( + self.visit(node.test, newnode), + [self.visit(child, newnode) for child in node.body], + [self.visit(child, newnode) for child in node.orelse], + ) + return newnode + + @overload + def _visit_with( + self, cls: Type[nodes.With], node: "ast.With", parent: NodeNG + ) -> nodes.With: + ... + + @overload + def _visit_with( + self, cls: Type[nodes.AsyncWith], node: "ast.AsyncWith", parent: NodeNG + ) -> nodes.AsyncWith: + ... + + def _visit_with( + self, + cls: Type[T_With], + node: Union["ast.With", "ast.AsyncWith"], + parent: NodeNG, + ) -> T_With: + newnode = cls(node.lineno, node.col_offset, parent) + + def visit_child(child: "ast.withitem") -> Tuple[NodeNG, Optional[NodeNG]]: + expr = self.visit(child.context_expr, newnode) + var = self.visit(child.optional_vars, newnode) + return expr, var + + type_annotation = self.check_type_comment(node, parent=newnode) + newnode.postinit( + items=[visit_child(child) for child in node.items], + body=[self.visit(child, newnode) for child in node.body], + type_annotation=type_annotation, + ) + return newnode + + def visit_with(self, node: "ast.With", parent: NodeNG) -> NodeNG: + return self._visit_with(nodes.With, node, parent) + + def visit_yield(self, node: "ast.Yield", parent: NodeNG) -> NodeNG: + """visit a Yield node by returning a fresh instance of it""" + newnode = nodes.Yield(node.lineno, node.col_offset, parent) + if node.value is not None: + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + def visit_yieldfrom(self, node: "ast.YieldFrom", parent: NodeNG) -> NodeNG: + newnode = nodes.YieldFrom(node.lineno, node.col_offset, parent) + if node.value is not None: + newnode.postinit(self.visit(node.value, newnode)) + return newnode + + if sys.version_info >= (3, 10): + + def visit_match(self, node: "ast.Match", parent: NodeNG) -> nodes.Match: + newnode = nodes.Match(node.lineno, node.col_offset, parent) + newnode.postinit( + subject=self.visit(node.subject, newnode), + cases=[self.visit(case, newnode) for case in node.cases], + ) + return newnode + + def visit_matchcase( + self, node: "ast.match_case", parent: NodeNG + ) -> nodes.MatchCase: + newnode = nodes.MatchCase(parent=parent) + newnode.postinit( + pattern=self.visit(node.pattern, newnode), + guard=self.visit(node.guard, newnode), + body=[self.visit(child, newnode) for child in node.body], + ) + return newnode + + def visit_matchvalue( + self, node: "ast.MatchValue", parent: NodeNG + ) -> nodes.MatchValue: + newnode = nodes.MatchValue(node.lineno, node.col_offset, parent) + newnode.postinit(value=self.visit(node.value, newnode)) + return newnode + + def visit_matchsingleton( + self, node: "ast.MatchSingleton", parent: NodeNG + ) -> nodes.MatchSingleton: + return nodes.MatchSingleton( + value=node.value, + lineno=node.lineno, + col_offset=node.col_offset, + parent=parent, + ) + + def visit_matchsequence( + self, node: "ast.MatchSequence", parent: NodeNG + ) -> nodes.MatchSequence: + newnode = nodes.MatchSequence(node.lineno, node.col_offset, parent) + newnode.postinit( + patterns=[self.visit(pattern, newnode) for pattern in node.patterns] + ) + return newnode + + def visit_matchmapping( + self, node: "ast.MatchMapping", parent: NodeNG + ) -> nodes.MatchMapping: + newnode = nodes.MatchMapping(node.lineno, node.col_offset, parent) + # Add AssignName node for 'node.name' + # https://bugs.python.org/issue43994 + newnode.postinit( + keys=[self.visit(child, newnode) for child in node.keys], + patterns=[self.visit(pattern, newnode) for pattern in node.patterns], + rest=self.visit_assignname(node, newnode, node.rest), + ) + return newnode + + def visit_matchclass( + self, node: "ast.MatchClass", parent: NodeNG + ) -> nodes.MatchClass: + newnode = nodes.MatchClass(node.lineno, node.col_offset, parent) + newnode.postinit( + cls=self.visit(node.cls, newnode), + patterns=[self.visit(pattern, newnode) for pattern in node.patterns], + kwd_attrs=node.kwd_attrs, + kwd_patterns=[ + self.visit(pattern, newnode) for pattern in node.kwd_patterns + ], + ) + return newnode + + def visit_matchstar( + self, node: "ast.MatchStar", parent: NodeNG + ) -> nodes.MatchStar: + newnode = nodes.MatchStar(node.lineno, node.col_offset, parent) + # Add AssignName node for 'node.name' + # https://bugs.python.org/issue43994 + newnode.postinit(name=self.visit_assignname(node, newnode, node.name)) + return newnode + + def visit_matchas(self, node: "ast.MatchAs", parent: NodeNG) -> nodes.MatchAs: + newnode = nodes.MatchAs(node.lineno, node.col_offset, parent) + # Add AssignName node for 'node.name' + # https://bugs.python.org/issue43994 + newnode.postinit( + pattern=self.visit(node.pattern, newnode), + name=self.visit_assignname(node, newnode, node.name), + ) + return newnode + + def visit_matchor(self, node: "ast.MatchOr", parent: NodeNG) -> nodes.MatchOr: + newnode = nodes.MatchOr(node.lineno, node.col_offset, parent) + newnode.postinit( + patterns=[self.visit(pattern, newnode) for pattern in node.patterns] + ) + return newnode diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/scoped_nodes.py b/backend/mb-env/lib/python3.9/site-packages/astroid/scoped_nodes.py new file mode 100644 index 0000000..5c57920 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/scoped_nodes.py @@ -0,0 +1,3033 @@ +# Copyright (c) 2006-2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2010 Daniel Harding +# Copyright (c) 2011, 2013-2015 Google, Inc. +# Copyright (c) 2013-2020 Claudiu Popa +# Copyright (c) 2013 Phil Schaf +# Copyright (c) 2014 Eevee (Alex Munroe) +# Copyright (c) 2015-2016 Florian Bruhin +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2015 Rene Zhang +# Copyright (c) 2015 Philip Lorenz +# Copyright (c) 2016-2017 Derek Gustafson +# Copyright (c) 2017-2018 Bryce Guinta +# Copyright (c) 2017-2018 Ashley Whetter +# Copyright (c) 2017 Łukasz Rogalski +# Copyright (c) 2017 David Euresti +# Copyright (c) 2018-2019 Nick Drozd +# Copyright (c) 2018 Ville Skyttä +# Copyright (c) 2018 Anthony Sottile +# Copyright (c) 2018 HoverHell +# Copyright (c) 2019 Hugo van Kemenade +# Copyright (c) 2019 Peter de Blanc +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Peter Kolbus +# Copyright (c) 2020 Tim Martin +# Copyright (c) 2020 Ram Rachum +# Copyright (c) 2021 doranid +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 David Liu +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh +# Copyright (c) 2021 pre-commit-ci[bot] + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +""" +This module contains the classes for "scoped" node, i.e. which are opening a +new local scope in the language definition : Module, ClassDef, FunctionDef (and +Lambda, GeneratorExp, DictComp and SetComp to some extent). +""" +import builtins +import io +import itertools +import typing +from typing import List, Optional + +from astroid import bases +from astroid import context as contextmod +from astroid import decorators as decorators_mod +from astroid import mixins, node_classes, util +from astroid.const import BUILTINS, PY39_PLUS +from astroid.exceptions import ( + AstroidBuildingError, + AstroidTypeError, + AttributeInferenceError, + DuplicateBasesError, + InconsistentMroError, + InferenceError, + MroError, + TooManyLevelsError, +) +from astroid.interpreter.dunder_lookup import lookup +from astroid.interpreter.objectmodel import ClassModel, FunctionModel, ModuleModel +from astroid.manager import AstroidManager + +ITER_METHODS = ("__iter__", "__getitem__") +EXCEPTION_BASE_CLASSES = frozenset({"Exception", "BaseException"}) +objects = util.lazy_import("objects") +BUILTIN_DESCRIPTORS = frozenset( + {"classmethod", "staticmethod", "builtins.classmethod", "builtins.staticmethod"} +) + + +def _c3_merge(sequences, cls, context): + """Merges MROs in *sequences* to a single MRO using the C3 algorithm. + + Adapted from http://www.python.org/download/releases/2.3/mro/. + + """ + result = [] + while True: + sequences = [s for s in sequences if s] # purge empty sequences + if not sequences: + return result + for s1 in sequences: # find merge candidates among seq heads + candidate = s1[0] + for s2 in sequences: + if candidate in s2[1:]: + candidate = None + break # reject the current head, it appears later + else: + break + if not candidate: + # Show all the remaining bases, which were considered as + # candidates for the next mro sequence. + raise InconsistentMroError( + message="Cannot create a consistent method resolution order " + "for MROs {mros} of class {cls!r}.", + mros=sequences, + cls=cls, + context=context, + ) + + result.append(candidate) + # remove the chosen candidate + for seq in sequences: + if seq[0] == candidate: + del seq[0] + return None + + +def clean_typing_generic_mro(sequences: List[List["ClassDef"]]) -> None: + """A class can inherit from typing.Generic directly, as base, + and as base of bases. The merged MRO must however only contain the last entry. + To prepare for _c3_merge, remove some typing.Generic entries from + sequences if multiple are present. + + This method will check if Generic is in inferred_bases and also + part of bases_mro. If true, remove it from inferred_bases + as well as its entry the bases_mro. + + Format sequences: [[self]] + bases_mro + [inferred_bases] + """ + bases_mro = sequences[1:-1] + inferred_bases = sequences[-1] + # Check if Generic is part of inferred_bases + for i, base in enumerate(inferred_bases): + if base.qname() == "typing.Generic": + position_in_inferred_bases = i + break + else: + return + # Check if also part of bases_mro + # Ignore entry for typing.Generic + for i, seq in enumerate(bases_mro): + if i == position_in_inferred_bases: + continue + if any(base.qname() == "typing.Generic" for base in seq): + break + else: + return + # Found multiple Generics in mro, remove entry from inferred_bases + # and the corresponding one from bases_mro + inferred_bases.pop(position_in_inferred_bases) + bases_mro.pop(position_in_inferred_bases) + + +def clean_duplicates_mro(sequences, cls, context): + for sequence in sequences: + names = [ + (node.lineno, node.qname()) if node.name else None for node in sequence + ] + last_index = dict(map(reversed, enumerate(names))) + if names and names[0] is not None and last_index[names[0]] != 0: + raise DuplicateBasesError( + message="Duplicates found in MROs {mros} for {cls!r}.", + mros=sequences, + cls=cls, + context=context, + ) + yield [ + node + for i, (node, name) in enumerate(zip(sequence, names)) + if name is None or last_index[name] == i + ] + + +def function_to_method(n, klass): + if isinstance(n, FunctionDef): + if n.type == "classmethod": + return bases.BoundMethod(n, klass) + if n.type == "property": + return n + if n.type != "staticmethod": + return bases.UnboundMethod(n) + return n + + +def builtin_lookup(name): + """lookup a name into the builtin module + return the list of matching statements and the astroid for the builtin + module + """ + builtin_astroid = AstroidManager().ast_from_module(builtins) + if name == "__dict__": + return builtin_astroid, () + try: + stmts = builtin_astroid.locals[name] + except KeyError: + stmts = () + return builtin_astroid, stmts + + +# TODO move this Mixin to mixins.py; problem: 'FunctionDef' in _scope_lookup +class LocalsDictNodeNG(node_classes.LookupMixIn, node_classes.NodeNG): + """this class provides locals handling common to Module, FunctionDef + and ClassDef nodes, including a dict like interface for direct access + to locals information + """ + + # attributes below are set by the builder module or by raw factories + + locals = {} + """A map of the name of a local variable to the node defining the local. + + :type: dict(str, NodeNG) + """ + + def qname(self): + """Get the 'qualified' name of the node. + + For example: module.name, module.class.name ... + + :returns: The qualified name. + :rtype: str + """ + # pylint: disable=no-member; github.com/pycqa/astroid/issues/278 + if self.parent is None: + return self.name + return f"{self.parent.frame().qname()}.{self.name}" + + def frame(self): + """The first parent frame node. + + A frame node is a :class:`Module`, :class:`FunctionDef`, + or :class:`ClassDef`. + + :returns: The first parent frame node. + :rtype: Module or FunctionDef or ClassDef + """ + return self + + def scope(self): + """The first parent node defining a new scope. + + :returns: The first parent scope node. + :rtype: Module or FunctionDef or ClassDef or Lambda or GenExpr + """ + return self + + def _scope_lookup(self, node, name, offset=0): + """XXX method for interfacing the scope lookup""" + try: + stmts = node._filter_stmts(self.locals[name], self, offset) + except KeyError: + stmts = () + if stmts: + return self, stmts + + # Handle nested scopes: since class names do not extend to nested + # scopes (e.g., methods), we find the next enclosing non-class scope + pscope = self.parent and self.parent.scope() + while pscope is not None: + if not isinstance(pscope, ClassDef): + return pscope.scope_lookup(node, name) + pscope = pscope.parent and pscope.parent.scope() + + # self is at the top level of a module, or is enclosed only by ClassDefs + return builtin_lookup(name) + + def set_local(self, name, stmt): + """Define that the given name is declared in the given statement node. + + .. seealso:: :meth:`scope` + + :param name: The name that is being defined. + :type name: str + + :param stmt: The statement that defines the given name. + :type stmt: NodeNG + """ + # assert not stmt in self.locals.get(name, ()), (self, stmt) + self.locals.setdefault(name, []).append(stmt) + + __setitem__ = set_local + + def _append_node(self, child): + """append a child, linking it in the tree""" + # pylint: disable=no-member; depending by the class + # which uses the current class as a mixin or base class. + # It's rewritten in 2.0, so it makes no sense for now + # to spend development time on it. + self.body.append(child) + child.parent = self + + def add_local_node(self, child_node, name=None): + """Append a child that should alter the locals of this scope node. + + :param child_node: The child node that will alter locals. + :type child_node: NodeNG + + :param name: The name of the local that will be altered by + the given child node. + :type name: str or None + """ + if name != "__class__": + # add __class__ node as a child will cause infinite recursion later! + self._append_node(child_node) + self.set_local(name or child_node.name, child_node) + + def __getitem__(self, item): + """The first node the defines the given local. + + :param item: The name of the locally defined object. + :type item: str + + :raises KeyError: If the name is not defined. + """ + return self.locals[item][0] + + def __iter__(self): + """Iterate over the names of locals defined in this scoped node. + + :returns: The names of the defined locals. + :rtype: iterable(str) + """ + return iter(self.keys()) + + def keys(self): + """The names of locals defined in this scoped node. + + :returns: The names of the defined locals. + :rtype: list(str) + """ + return list(self.locals.keys()) + + def values(self): + """The nodes that define the locals in this scoped node. + + :returns: The nodes that define locals. + :rtype: list(NodeNG) + """ + # pylint: disable=consider-using-dict-items + # It look like this class override items/keys/values, + # probably not worth the headache + return [self[key] for key in self.keys()] + + def items(self): + """Get the names of the locals and the node that defines the local. + + :returns: The names of locals and their associated node. + :rtype: list(tuple(str, NodeNG)) + """ + return list(zip(self.keys(), self.values())) + + def __contains__(self, name): + """Check if a local is defined in this scope. + + :param name: The name of the local to check for. + :type name: str + + :returns: True if this node has a local of the given name, + False otherwise. + :rtype: bool + """ + return name in self.locals + + +class Module(LocalsDictNodeNG): + """Class representing an :class:`ast.Module` node. + + >>> node = astroid.extract_node('import astroid') + >>> node + + >>> node.parent + + """ + + _astroid_fields = ("body",) + + fromlineno = 0 + """The first line that this node appears on in the source code. + + :type: int or None + """ + lineno = 0 + """The line that this node appears on in the source code. + + :type: int or None + """ + + # attributes below are set by the builder module or by raw factories + + file = None + """The path to the file that this ast has been extracted from. + + This will be ``None`` when the representation has been built from a + built-in module. + + :type: str or None + """ + file_bytes = None + """The string/bytes that this ast was built from. + + :type: str or bytes or None + """ + file_encoding = None + """The encoding of the source file. + + This is used to get unicode out of a source file. + Python 2 only. + + :type: str or None + """ + name = None + """The name of the module. + + :type: str or None + """ + pure_python = None + """Whether the ast was built from source. + + :type: bool or None + """ + package = None + """Whether the node represents a package or a module. + + :type: bool or None + """ + globals = None + """A map of the name of a global variable to the node defining the global. + + :type: dict(str, NodeNG) + """ + + # Future imports + future_imports = None + """The imports from ``__future__``. + + :type: set(str) or None + """ + special_attributes = ModuleModel() + """The names of special attributes that this module has. + + :type: objectmodel.ModuleModel + """ + + # names of module attributes available through the global scope + scope_attrs = {"__name__", "__doc__", "__file__", "__path__", "__package__"} + """The names of module attributes available through the global scope. + + :type: str(str) + """ + + _other_fields = ( + "name", + "doc", + "file", + "path", + "package", + "pure_python", + "future_imports", + ) + _other_other_fields = ("locals", "globals") + + def __init__( + self, + name, + doc, + file=None, + path: Optional[List[str]] = None, + package=None, + parent=None, + pure_python=True, + ): + """ + :param name: The name of the module. + :type name: str + + :param doc: The module docstring. + :type doc: str + + :param file: The path to the file that this ast has been extracted from. + :type file: str or None + + :param path: + :type path: Optional[List[str]] + + :param package: Whether the node represents a package or a module. + :type package: bool or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + + :param pure_python: Whether the ast was built from source. + :type pure_python: bool or None + """ + self.name = name + self.doc = doc + self.file = file + self.path = path + self.package = package + self.parent = parent + self.pure_python = pure_python + self.locals = self.globals = {} + """A map of the name of a local variable to the node defining the local. + + :type: dict(str, NodeNG) + """ + self.body = [] + """The contents of the module. + + :type: list(NodeNG) or None + """ + self.future_imports = set() + + # pylint: enable=redefined-builtin + + def postinit(self, body=None): + """Do some setup after initialisation. + + :param body: The contents of the module. + :type body: list(NodeNG) or None + """ + self.body = body + + def _get_stream(self): + if self.file_bytes is not None: + return io.BytesIO(self.file_bytes) + if self.file is not None: + # pylint: disable=consider-using-with + stream = open(self.file, "rb") + return stream + return None + + def stream(self): + """Get a stream to the underlying file or bytes. + + :type: file or io.BytesIO or None + """ + return self._get_stream() + + def block_range(self, lineno): + """Get a range from where this node starts to where this node ends. + + :param lineno: Unused. + :type lineno: int + + :returns: The range of line numbers that this node belongs to. + :rtype: tuple(int, int) + """ + return self.fromlineno, self.tolineno + + def scope_lookup(self, node, name, offset=0): + """Lookup where the given variable is assigned. + + :param node: The node to look for assignments up to. + Any assignments after the given node are ignored. + :type node: NodeNG + + :param name: The name of the variable to find assignments for. + :type name: str + + :param offset: The line offset to filter statements up to. + :type offset: int + + :returns: This scope node and the list of assignments associated to the + given name according to the scope where it has been found (locals, + globals or builtin). + :rtype: tuple(str, list(NodeNG)) + """ + if name in self.scope_attrs and name not in self.locals: + try: + return self, self.getattr(name) + except AttributeInferenceError: + return self, () + return self._scope_lookup(node, name, offset) + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + return "%s.module" % BUILTINS + + def display_type(self): + """A human readable type of this node. + + :returns: The type of this node. + :rtype: str + """ + return "Module" + + def getattr(self, name, context=None, ignore_locals=False): + if not name: + raise AttributeInferenceError(target=self, attribute=name, context=context) + + result = [] + name_in_locals = name in self.locals + + if name in self.special_attributes and not ignore_locals and not name_in_locals: + result = [self.special_attributes.lookup(name)] + elif not ignore_locals and name_in_locals: + result = self.locals[name] + elif self.package: + try: + result = [self.import_module(name, relative_only=True)] + except (AstroidBuildingError, SyntaxError) as exc: + raise AttributeInferenceError( + target=self, attribute=name, context=context + ) from exc + result = [n for n in result if not isinstance(n, node_classes.DelName)] + if result: + return result + raise AttributeInferenceError(target=self, attribute=name, context=context) + + def igetattr(self, name, context=None): + """Infer the possible values of the given variable. + + :param name: The name of the variable to infer. + :type name: str + + :returns: The inferred possible values. + :rtype: iterable(NodeNG) or None + """ + # set lookup name since this is necessary to infer on import nodes for + # instance + context = contextmod.copy_context(context) + context.lookupname = name + try: + return bases._infer_stmts(self.getattr(name, context), context, frame=self) + except AttributeInferenceError as error: + raise InferenceError( + str(error), target=self, attribute=name, context=context + ) from error + + def fully_defined(self): + """Check if this module has been build from a .py file. + + If so, the module contains a complete representation, + including the code. + + :returns: True if the module has been built from a .py file. + :rtype: bool + """ + return self.file is not None and self.file.endswith(".py") + + def statement(self): + """The first parent node, including self, marked as statement node. + + :returns: The first parent statement. + :rtype: NodeNG + """ + return self + + def previous_sibling(self): + """The previous sibling statement. + + :returns: The previous sibling statement node. + :rtype: NodeNG or None + """ + + def next_sibling(self): + """The next sibling statement node. + + :returns: The next sibling statement node. + :rtype: NodeNG or None + """ + + _absolute_import_activated = True + + def absolute_import_activated(self): + """Whether :pep:`328` absolute import behaviour has been enabled. + + :returns: True if :pep:`328` has been enabled, False otherwise. + :rtype: bool + """ + return self._absolute_import_activated + + def import_module(self, modname, relative_only=False, level=None): + """Get the ast for a given module as if imported from this module. + + :param modname: The name of the module to "import". + :type modname: str + + :param relative_only: Whether to only consider relative imports. + :type relative_only: bool + + :param level: The level of relative import. + :type level: int or None + + :returns: The imported module ast. + :rtype: NodeNG + """ + if relative_only and level is None: + level = 0 + absmodname = self.relative_to_absolute_name(modname, level) + + try: + return AstroidManager().ast_from_module_name(absmodname) + except AstroidBuildingError: + # we only want to import a sub module or package of this module, + # skip here + if relative_only: + raise + return AstroidManager().ast_from_module_name(modname) + + def relative_to_absolute_name(self, modname, level): + """Get the absolute module name for a relative import. + + The relative import can be implicit or explicit. + + :param modname: The module name to convert. + :type modname: str + + :param level: The level of relative import. + :type level: int + + :returns: The absolute module name. + :rtype: str + + :raises TooManyLevelsError: When the relative import refers to a + module too far above this one. + """ + # XXX this returns non sens when called on an absolute import + # like 'pylint.checkers.astroid.utils' + # XXX doesn't return absolute name if self.name isn't absolute name + if self.absolute_import_activated() and level is None: + return modname + if level: + if self.package: + level = level - 1 + if level and self.name.count(".") < level: + raise TooManyLevelsError(level=level, name=self.name) + + package_name = self.name.rsplit(".", level)[0] + elif self.package: + package_name = self.name + else: + package_name = self.name.rsplit(".", 1)[0] + + if package_name: + if not modname: + return package_name + return f"{package_name}.{modname}" + return modname + + def wildcard_import_names(self): + """The list of imported names when this module is 'wildcard imported'. + + It doesn't include the '__builtins__' name which is added by the + current CPython implementation of wildcard imports. + + :returns: The list of imported names. + :rtype: list(str) + """ + # We separate the different steps of lookup in try/excepts + # to avoid catching too many Exceptions + default = [name for name in self.keys() if not name.startswith("_")] + try: + all_values = self["__all__"] + except KeyError: + return default + + try: + explicit = next(all_values.assigned_stmts()) + except (InferenceError, StopIteration): + return default + except AttributeError: + # not an assignment node + # XXX infer? + return default + + # Try our best to detect the exported name. + inferred = [] + try: + explicit = next(explicit.infer()) + except (InferenceError, StopIteration): + return default + if not isinstance(explicit, (node_classes.Tuple, node_classes.List)): + return default + + def str_const(node): + return isinstance(node, node_classes.Const) and isinstance(node.value, str) + + for node in explicit.elts: + if str_const(node): + inferred.append(node.value) + else: + try: + inferred_node = next(node.infer()) + except (InferenceError, StopIteration): + continue + if str_const(inferred_node): + inferred.append(inferred_node.value) + return inferred + + def public_names(self): + """The list of the names that are publicly available in this module. + + :returns: The list of publc names. + :rtype: list(str) + """ + return [name for name in self.keys() if not name.startswith("_")] + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`Module` this is always ``True``. + :rtype: bool + """ + return True + + def get_children(self): + yield from self.body + + +class ComprehensionScope(LocalsDictNodeNG): + """Scoping for different types of comprehensions.""" + + def frame(self): + """The first parent frame node. + + A frame node is a :class:`Module`, :class:`FunctionDef`, + or :class:`ClassDef`. + + :returns: The first parent frame node. + :rtype: Module or FunctionDef or ClassDef + """ + return self.parent.frame() + + scope_lookup = LocalsDictNodeNG._scope_lookup + + +class GeneratorExp(ComprehensionScope): + """Class representing an :class:`ast.GeneratorExp` node. + + >>> node = astroid.extract_node('(thing for thing in things if thing)') + >>> node + + """ + + _astroid_fields = ("elt", "generators") + _other_other_fields = ("locals",) + elt = None + """The element that forms the output of the expression. + + :type: NodeNG or None + """ + generators = None + """The generators that are looped through. + + :type: list(Comprehension) or None + """ + + def __init__(self, lineno=None, col_offset=None, parent=None): + """ + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.locals = {} + """A map of the name of a local variable to the node defining the local. + + :type: dict(str, NodeNG) + """ + + super().__init__(lineno, col_offset, parent) + + def postinit(self, elt=None, generators=None): + """Do some setup after initialisation. + + :param elt: The element that forms the output of the expression. + :type elt: NodeNG or None + + :param generators: The generators that are looped through. + :type generators: list(Comprehension) or None + """ + self.elt = elt + if generators is None: + self.generators = [] + else: + self.generators = generators + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`GeneratorExp` this is always ``True``. + :rtype: bool + """ + return True + + def get_children(self): + yield self.elt + + yield from self.generators + + +class DictComp(ComprehensionScope): + """Class representing an :class:`ast.DictComp` node. + + >>> node = astroid.extract_node('{k:v for k, v in things if k > v}') + >>> node + + """ + + _astroid_fields = ("key", "value", "generators") + _other_other_fields = ("locals",) + key = None + """What produces the keys. + + :type: NodeNG or None + """ + value = None + """What produces the values. + + :type: NodeNG or None + """ + generators = None + """The generators that are looped through. + + :type: list(Comprehension) or None + """ + + def __init__(self, lineno=None, col_offset=None, parent=None): + """ + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.locals = {} + """A map of the name of a local variable to the node defining the local. + + :type: dict(str, NodeNG) + """ + + super().__init__(lineno, col_offset, parent) + + def postinit(self, key=None, value=None, generators=None): + """Do some setup after initialisation. + + :param key: What produces the keys. + :type key: NodeNG or None + + :param value: What produces the values. + :type value: NodeNG or None + + :param generators: The generators that are looped through. + :type generators: list(Comprehension) or None + """ + self.key = key + self.value = value + if generators is None: + self.generators = [] + else: + self.generators = generators + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`DictComp` this is always :class:`Uninferable`. + :rtype: Uninferable + """ + return util.Uninferable + + def get_children(self): + yield self.key + yield self.value + + yield from self.generators + + +class SetComp(ComprehensionScope): + """Class representing an :class:`ast.SetComp` node. + + >>> node = astroid.extract_node('{thing for thing in things if thing}') + >>> node + + """ + + _astroid_fields = ("elt", "generators") + _other_other_fields = ("locals",) + elt = None + """The element that forms the output of the expression. + + :type: NodeNG or None + """ + generators = None + """The generators that are looped through. + + :type: list(Comprehension) or None + """ + + def __init__(self, lineno=None, col_offset=None, parent=None): + """ + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.locals = {} + """A map of the name of a local variable to the node defining the local. + + :type: dict(str, NodeNG) + """ + + super().__init__(lineno, col_offset, parent) + + def postinit(self, elt=None, generators=None): + """Do some setup after initialisation. + + :param elt: The element that forms the output of the expression. + :type elt: NodeNG or None + + :param generators: The generators that are looped through. + :type generators: list(Comprehension) or None + """ + self.elt = elt + if generators is None: + self.generators = [] + else: + self.generators = generators + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`SetComp` this is always :class:`Uninferable`. + :rtype: Uninferable + """ + return util.Uninferable + + def get_children(self): + yield self.elt + + yield from self.generators + + +class _ListComp(node_classes.NodeNG): + """Class representing an :class:`ast.ListComp` node. + + >>> node = astroid.extract_node('[thing for thing in things if thing]') + >>> node + + """ + + _astroid_fields = ("elt", "generators") + elt = None + """The element that forms the output of the expression. + + :type: NodeNG or None + """ + generators = None + """The generators that are looped through. + + :type: list(Comprehension) or None + """ + + def postinit(self, elt=None, generators=None): + """Do some setup after initialisation. + + :param elt: The element that forms the output of the expression. + :type elt: NodeNG or None + + :param generators: The generators that are looped through. + :type generators: list(Comprehension) or None + """ + self.elt = elt + self.generators = generators + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`ListComp` this is always :class:`Uninferable`. + :rtype: Uninferable + """ + return util.Uninferable + + def get_children(self): + yield self.elt + + yield from self.generators + + +class ListComp(_ListComp, ComprehensionScope): + """Class representing an :class:`ast.ListComp` node. + + >>> node = astroid.extract_node('[thing for thing in things if thing]') + >>> node + + """ + + _other_other_fields = ("locals",) + + def __init__(self, lineno=None, col_offset=None, parent=None): + self.locals = {} + """A map of the name of a local variable to the node defining it. + + :type: dict(str, NodeNG) + """ + + super().__init__(lineno, col_offset, parent) + + +def _infer_decorator_callchain(node): + """Detect decorator call chaining and see if the end result is a + static or a classmethod. + """ + if not isinstance(node, FunctionDef): + return None + if not node.parent: + return None + try: + result = next(node.infer_call_result(node.parent), None) + except InferenceError: + return None + if isinstance(result, bases.Instance): + result = result._proxied + if isinstance(result, ClassDef): + if result.is_subtype_of("%s.classmethod" % BUILTINS): + return "classmethod" + if result.is_subtype_of("%s.staticmethod" % BUILTINS): + return "staticmethod" + if isinstance(result, FunctionDef): + if not result.decorators: + return None + # Determine if this function is decorated with one of the builtin descriptors we want. + for decorator in result.decorators.nodes: + if isinstance(decorator, node_classes.Name): + if decorator.name in BUILTIN_DESCRIPTORS: + return decorator.name + if ( + isinstance(decorator, node_classes.Attribute) + and isinstance(decorator.expr, node_classes.Name) + and decorator.expr.name == BUILTINS + and decorator.attrname in BUILTIN_DESCRIPTORS + ): + return decorator.attrname + return None + + +class Lambda(mixins.FilterStmtsMixin, LocalsDictNodeNG): + """Class representing an :class:`ast.Lambda` node. + + >>> node = astroid.extract_node('lambda arg: arg + 1') + >>> node + l.1 at 0x7f23b2e41518> + """ + + _astroid_fields = ("args", "body") + _other_other_fields = ("locals",) + name = "" + is_lambda = True + + def implicit_parameters(self): + return 0 + + # function's type, 'function' | 'method' | 'staticmethod' | 'classmethod' + @property + def type(self): + """Whether this is a method or function. + + :returns: 'method' if this is a method, 'function' otherwise. + :rtype: str + """ + # pylint: disable=no-member + if self.args.arguments and self.args.arguments[0].name == "self": + if isinstance(self.parent.scope(), ClassDef): + return "method" + return "function" + + def __init__(self, lineno=None, col_offset=None, parent=None): + """ + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.locals = {} + """A map of the name of a local variable to the node defining it. + + :type: dict(str, NodeNG) + """ + + self.args = [] + """The arguments that the function takes. + + :type: Arguments or list + """ + + self.body = [] + """The contents of the function body. + + :type: list(NodeNG) + """ + + super().__init__(lineno, col_offset, parent) + + def postinit(self, args, body): + """Do some setup after initialisation. + + :param args: The arguments that the function takes. + :type args: Arguments + + :param body: The contents of the function body. + :type body: list(NodeNG) + """ + self.args = args + self.body = body + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + if "method" in self.type: + return "%s.instancemethod" % BUILTINS + return "%s.function" % BUILTINS + + def display_type(self): + """A human readable type of this node. + + :returns: The type of this node. + :rtype: str + """ + if "method" in self.type: + return "Method" + return "Function" + + def callable(self): + """Whether this node defines something that is callable. + + :returns: True if this defines something that is callable, + False otherwise. + For a :class:`Lambda` this is always ``True``. + :rtype: bool + """ + return True + + def argnames(self): + """Get the names of each of the arguments. + + :returns: The names of the arguments. + :rtype: list(str) + """ + # pylint: disable=no-member; github.com/pycqa/astroid/issues/291 + # args is in fact redefined later on by postinit. Can't be changed + # to None due to a strong interaction between Lambda and FunctionDef. + + if self.args.arguments: # maybe None with builtin functions + names = _rec_get_names(self.args.arguments) + else: + names = [] + if self.args.vararg: + names.append(self.args.vararg) + if self.args.kwarg: + names.append(self.args.kwarg) + return names + + def infer_call_result(self, caller, context=None): + """Infer what the function returns when called. + + :param caller: Unused + :type caller: object + """ + # pylint: disable=no-member; github.com/pycqa/astroid/issues/291 + # args is in fact redefined later on by postinit. Can't be changed + # to None due to a strong interaction between Lambda and FunctionDef. + return self.body.infer(context) + + def scope_lookup(self, node, name, offset=0): + """Lookup where the given names is assigned. + + :param node: The node to look for assignments up to. + Any assignments after the given node are ignored. + :type node: NodeNG + + :param name: The name to find assignments for. + :type name: str + + :param offset: The line offset to filter statements up to. + :type offset: int + + :returns: This scope node and the list of assignments associated to the + given name according to the scope where it has been found (locals, + globals or builtin). + :rtype: tuple(str, list(NodeNG)) + """ + # pylint: disable=no-member; github.com/pycqa/astroid/issues/291 + # args is in fact redefined later on by postinit. Can't be changed + # to None due to a strong interaction between Lambda and FunctionDef. + + if node in self.args.defaults or node in self.args.kw_defaults: + frame = self.parent.frame() + # line offset to avoid that def func(f=func) resolve the default + # value to the defined function + offset = -1 + else: + # check this is not used in function decorators + frame = self + return frame._scope_lookup(node, name, offset) + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`Lambda` this is always ``True``. + :rtype: bool + """ + return True + + def get_children(self): + yield self.args + yield self.body + + +class FunctionDef(mixins.MultiLineBlockMixin, node_classes.Statement, Lambda): + """Class representing an :class:`ast.FunctionDef`. + + >>> node = astroid.extract_node(''' + ... def my_func(arg): + ... return arg + 1 + ... ''') + >>> node + + """ + + _astroid_fields = ("decorators", "args", "returns", "body") + _multi_line_block_fields = ("body",) + returns = None + decorators = None + """The decorators that are applied to this method or function. + + :type: Decorators or None + """ + special_attributes = FunctionModel() + """The names of special attributes that this function has. + + :type: objectmodel.FunctionModel + """ + is_function = True + """Whether this node indicates a function. + + For a :class:`FunctionDef` this is always ``True``. + + :type: bool + """ + type_annotation = None + """If present, this will contain the type annotation passed by a type comment + + :type: NodeNG or None + """ + type_comment_args = None + """ + If present, this will contain the type annotation for arguments + passed by a type comment + """ + type_comment_returns = None + """If present, this will contain the return type annotation, passed by a type comment""" + # attributes below are set by the builder module or by raw factories + _other_fields = ("name", "doc") + _other_other_fields = ( + "locals", + "_type", + "type_comment_returns", + "type_comment_args", + ) + _type = None + + def __init__(self, name=None, doc=None, lineno=None, col_offset=None, parent=None): + """ + :param name: The name of the function. + :type name: str or None + + :param doc: The function's docstring. + :type doc: str or None + + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.name = name + """The name of the function. + + :type name: str or None + """ + + self.doc = doc + """The function's docstring. + + :type doc: str or None + """ + + self.instance_attrs = {} + super().__init__(lineno, col_offset, parent) + if parent: + frame = parent.frame() + frame.set_local(name, self) + + # pylint: disable=arguments-differ; different than Lambdas + def postinit( + self, + args, + body, + decorators=None, + returns=None, + type_comment_returns=None, + type_comment_args=None, + ): + """Do some setup after initialisation. + + :param args: The arguments that the function takes. + :type args: Arguments or list + + :param body: The contents of the function body. + :type body: list(NodeNG) + + :param decorators: The decorators that are applied to this + method or function. + :type decorators: Decorators or None + :params type_comment_returns: + The return type annotation passed via a type comment. + :params type_comment_args: + The args type annotation passed via a type comment. + """ + self.args = args + self.body = body + self.decorators = decorators + self.returns = returns + self.type_comment_returns = type_comment_returns + self.type_comment_args = type_comment_args + + @decorators_mod.cachedproperty + def extra_decorators(self): + """The extra decorators that this function can have. + + Additional decorators are considered when they are used as + assignments, as in ``method = staticmethod(method)``. + The property will return all the callables that are used for + decoration. + + :type: list(NodeNG) + """ + frame = self.parent.frame() + if not isinstance(frame, ClassDef): + return [] + + decorators = [] + for assign in frame._get_assign_nodes(): + if isinstance(assign.value, node_classes.Call) and isinstance( + assign.value.func, node_classes.Name + ): + for assign_node in assign.targets: + if not isinstance(assign_node, node_classes.AssignName): + # Support only `name = callable(name)` + continue + + if assign_node.name != self.name: + # Interested only in the assignment nodes that + # decorates the current method. + continue + try: + meth = frame[self.name] + except KeyError: + continue + else: + # Must be a function and in the same frame as the + # original method. + if ( + isinstance(meth, FunctionDef) + and assign_node.frame() == frame + ): + decorators.append(assign.value) + return decorators + + @decorators_mod.cachedproperty + def type( + self, + ): # pylint: disable=invalid-overridden-method,too-many-return-statements + """The function type for this node. + + Possible values are: method, function, staticmethod, classmethod. + + :type: str + """ + for decorator in self.extra_decorators: + if decorator.func.name in BUILTIN_DESCRIPTORS: + return decorator.func.name + + frame = self.parent.frame() + type_name = "function" + if isinstance(frame, ClassDef): + if self.name == "__new__": + return "classmethod" + if self.name == "__init_subclass__": + return "classmethod" + + type_name = "method" + + if not self.decorators: + return type_name + + for node in self.decorators.nodes: + if isinstance(node, node_classes.Name): + if node.name in BUILTIN_DESCRIPTORS: + return node.name + if ( + isinstance(node, node_classes.Attribute) + and isinstance(node.expr, node_classes.Name) + and node.expr.name == BUILTINS + and node.attrname in BUILTIN_DESCRIPTORS + ): + return node.attrname + + if isinstance(node, node_classes.Call): + # Handle the following case: + # @some_decorator(arg1, arg2) + # def func(...) + # + try: + current = next(node.func.infer()) + except (InferenceError, StopIteration): + continue + _type = _infer_decorator_callchain(current) + if _type is not None: + return _type + + try: + for inferred in node.infer(): + # Check to see if this returns a static or a class method. + _type = _infer_decorator_callchain(inferred) + if _type is not None: + return _type + + if not isinstance(inferred, ClassDef): + continue + for ancestor in inferred.ancestors(): + if not isinstance(ancestor, ClassDef): + continue + if ancestor.is_subtype_of("%s.classmethod" % BUILTINS): + return "classmethod" + if ancestor.is_subtype_of("%s.staticmethod" % BUILTINS): + return "staticmethod" + except InferenceError: + pass + return type_name + + @decorators_mod.cachedproperty + def fromlineno(self): + """The first line that this node appears on in the source code. + + :type: int or None + """ + # lineno is the line number of the first decorator, we want the def + # statement lineno + lineno = self.lineno + if self.decorators is not None: + lineno += sum( + node.tolineno - node.lineno + 1 for node in self.decorators.nodes + ) + + return lineno + + @decorators_mod.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + return self.args.tolineno + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: Unused. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + :rtype: tuple(int, int) + """ + return self.fromlineno, self.tolineno + + def getattr(self, name, context=None): + """this method doesn't look in the instance_attrs dictionary since it's + done by an Instance proxy at inference time. + """ + if not name: + raise AttributeInferenceError(target=self, attribute=name, context=context) + + found_attrs = [] + if name in self.instance_attrs: + found_attrs = self.instance_attrs[name] + if name in self.special_attributes: + found_attrs.append(self.special_attributes.lookup(name)) + if found_attrs: + return found_attrs + raise AttributeInferenceError(target=self, attribute=name) + + def igetattr(self, name, context=None): + """Inferred getattr, which returns an iterator of inferred statements.""" + try: + return bases._infer_stmts(self.getattr(name, context), context, frame=self) + except AttributeInferenceError as error: + raise InferenceError( + str(error), target=self, attribute=name, context=context + ) from error + + def is_method(self): + """Check if this function node represents a method. + + :returns: True if this is a method, False otherwise. + :rtype: bool + """ + # check we are defined in a ClassDef, because this is usually expected + # (e.g. pylint...) when is_method() return True + return self.type != "function" and isinstance(self.parent.frame(), ClassDef) + + @decorators_mod.cached + def decoratornames(self, context=None): + """Get the qualified names of each of the decorators on this function. + + :param context: + An inference context that can be passed to inference functions + :returns: The names of the decorators. + :rtype: set(str) + """ + result = set() + decoratornodes = [] + if self.decorators is not None: + decoratornodes += self.decorators.nodes + decoratornodes += self.extra_decorators + for decnode in decoratornodes: + try: + for infnode in decnode.infer(context=context): + result.add(infnode.qname()) + except InferenceError: + continue + return result + + def is_bound(self): + """Check if the function is bound to an instance or class. + + :returns: True if the function is bound to an instance or class, + False otherwise. + :rtype: bool + """ + return self.type == "classmethod" + + def is_abstract(self, pass_is_abstract=True, any_raise_is_abstract=False): + """Check if the method is abstract. + + A method is considered abstract if any of the following is true: + * The only statement is 'raise NotImplementedError' + * The only statement is 'raise ' and any_raise_is_abstract is True + * The only statement is 'pass' and pass_is_abstract is True + * The method is annotated with abc.astractproperty/abc.abstractmethod + + :returns: True if the method is abstract, False otherwise. + :rtype: bool + """ + if self.decorators: + for node in self.decorators.nodes: + try: + inferred = next(node.infer()) + except (InferenceError, StopIteration): + continue + if inferred and inferred.qname() in ( + "abc.abstractproperty", + "abc.abstractmethod", + ): + return True + + for child_node in self.body: + if isinstance(child_node, node_classes.Raise): + if any_raise_is_abstract: + return True + if child_node.raises_not_implemented(): + return True + return pass_is_abstract and isinstance(child_node, node_classes.Pass) + # empty function is the same as function with a single "pass" statement + if pass_is_abstract: + return True + + def is_generator(self): + """Check if this is a generator function. + + :returns: True is this is a generator function, False otherwise. + :rtype: bool + """ + return bool(next(self._get_yield_nodes_skip_lambdas(), False)) + + def infer_yield_result(self, context=None): + """Infer what the function yields when called + + :returns: What the function yields + :rtype: iterable(NodeNG or Uninferable) or None + """ + for yield_ in self.nodes_of_class(node_classes.Yield): + if yield_.value is None: + const = node_classes.Const(None) + const.parent = yield_ + const.lineno = yield_.lineno + yield const + elif yield_.scope() == self: + yield from yield_.value.infer(context=context) + + def infer_call_result(self, caller=None, context=None): + """Infer what the function returns when called. + + :returns: What the function returns. + :rtype: iterable(NodeNG or Uninferable) or None + """ + if self.is_generator(): + if isinstance(self, AsyncFunctionDef): + generator_cls = bases.AsyncGenerator + else: + generator_cls = bases.Generator + result = generator_cls(self, generator_initial_context=context) + yield result + return + # This is really a gigantic hack to work around metaclass generators + # that return transient class-generating functions. Pylint's AST structure + # cannot handle a base class object that is only used for calling __new__, + # but does not contribute to the inheritance structure itself. We inject + # a fake class into the hierarchy here for several well-known metaclass + # generators, and filter it out later. + if ( + self.name == "with_metaclass" + and len(self.args.args) == 1 + and self.args.vararg is not None + ): + metaclass = next(caller.args[0].infer(context), None) + if isinstance(metaclass, ClassDef): + try: + class_bases = [next(arg.infer(context)) for arg in caller.args[1:]] + except StopIteration as e: + raise InferenceError(node=caller.args[1:], context=context) from e + new_class = ClassDef(name="temporary_class") + new_class.hide = True + new_class.parent = self + new_class.postinit( + bases=[base for base in class_bases if base != util.Uninferable], + body=[], + decorators=[], + metaclass=metaclass, + ) + yield new_class + return + returns = self._get_return_nodes_skip_functions() + + first_return = next(returns, None) + if not first_return: + if self.body: + if self.is_abstract(pass_is_abstract=True, any_raise_is_abstract=True): + yield util.Uninferable + else: + yield node_classes.Const(None) + return + + raise InferenceError("The function does not have any return statements") + + for returnnode in itertools.chain((first_return,), returns): + if returnnode.value is None: + yield node_classes.Const(None) + else: + try: + yield from returnnode.value.infer(context) + except InferenceError: + yield util.Uninferable + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`FunctionDef` this is always ``True``. + :rtype: bool + """ + return True + + def get_children(self): + if self.decorators is not None: + yield self.decorators + + yield self.args + + if self.returns is not None: + yield self.returns + + yield from self.body + + def scope_lookup(self, node, name, offset=0): + """Lookup where the given name is assigned.""" + if name == "__class__": + # __class__ is an implicit closure reference created by the compiler + # if any methods in a class body refer to either __class__ or super. + # In our case, we want to be able to look it up in the current scope + # when `__class__` is being used. + frame = self.parent.frame() + if isinstance(frame, ClassDef): + return self, [frame] + return super().scope_lookup(node, name, offset) + + +class AsyncFunctionDef(FunctionDef): + """Class representing an :class:`ast.FunctionDef` node. + + A :class:`AsyncFunctionDef` is an asynchronous function + created with the `async` keyword. + + >>> node = astroid.extract_node(''' + async def func(things): + async for thing in things: + print(thing) + ''') + >>> node + + >>> node.body[0] + + """ + + +def _rec_get_names(args, names=None): + """return a list of all argument names""" + if names is None: + names = [] + for arg in args: + if isinstance(arg, node_classes.Tuple): + _rec_get_names(arg.elts, names) + else: + names.append(arg.name) + return names + + +def _is_metaclass(klass, seen=None): + """Return if the given class can be + used as a metaclass. + """ + if klass.name == "type": + return True + if seen is None: + seen = set() + for base in klass.bases: + try: + for baseobj in base.infer(): + baseobj_name = baseobj.qname() + if baseobj_name in seen: + continue + + seen.add(baseobj_name) + if isinstance(baseobj, bases.Instance): + # not abstract + return False + if baseobj is util.Uninferable: + continue + if baseobj is klass: + continue + if not isinstance(baseobj, ClassDef): + continue + if baseobj._type == "metaclass": + return True + if _is_metaclass(baseobj, seen): + return True + except InferenceError: + continue + return False + + +def _class_type(klass, ancestors=None): + """return a ClassDef node type to differ metaclass and exception + from 'regular' classes + """ + # XXX we have to store ancestors in case we have an ancestor loop + if klass._type is not None: + return klass._type + if _is_metaclass(klass): + klass._type = "metaclass" + elif klass.name.endswith("Exception"): + klass._type = "exception" + else: + if ancestors is None: + ancestors = set() + klass_name = klass.qname() + if klass_name in ancestors: + # XXX we are in loop ancestors, and have found no type + klass._type = "class" + return "class" + ancestors.add(klass_name) + for base in klass.ancestors(recurs=False): + name = _class_type(base, ancestors) + if name != "class": + if name == "metaclass" and not _is_metaclass(klass): + # don't propagate it if the current class + # can't be a metaclass + continue + klass._type = base.type + break + if klass._type is None: + klass._type = "class" + return klass._type + + +def get_wrapping_class(node): + """Get the class that wraps the given node. + + We consider that a class wraps a node if the class + is a parent for the said node. + + :returns: The class that wraps the given node + :rtype: ClassDef or None + """ + + klass = node.frame() + while klass is not None and not isinstance(klass, ClassDef): + if klass.parent is None: + klass = None + else: + klass = klass.parent.frame() + return klass + + +class ClassDef(mixins.FilterStmtsMixin, LocalsDictNodeNG, node_classes.Statement): + """Class representing an :class:`ast.ClassDef` node. + + >>> node = astroid.extract_node(''' + class Thing: + def my_meth(self, arg): + return arg + self.offset + ''') + >>> node + + """ + + # some of the attributes below are set by the builder module or + # by a raw factories + + # a dictionary of class instances attributes + _astroid_fields = ("decorators", "bases", "keywords", "body") # name + + decorators = None + """The decorators that are applied to this class. + + :type: Decorators or None + """ + special_attributes = ClassModel() + """The names of special attributes that this class has. + + :type: objectmodel.ClassModel + """ + + _type = None + _metaclass_hack = False + hide = False + type = property( + _class_type, + doc=( + "The class type for this node.\n\n" + "Possible values are: class, metaclass, exception.\n\n" + ":type: str" + ), + ) + _other_fields = ("name", "doc") + _other_other_fields = ("locals", "_newstyle") + _newstyle = None + + def __init__(self, name=None, doc=None, lineno=None, col_offset=None, parent=None): + """ + :param name: The name of the class. + :type name: str or None + + :param doc: The function's docstring. + :type doc: str or None + + :param lineno: The line that this node appears on in the source code. + :type lineno: int or None + + :param col_offset: The column that this node appears on in the + source code. + :type col_offset: int or None + + :param parent: The parent node in the syntax tree. + :type parent: NodeNG or None + """ + self.instance_attrs = {} + self.locals = {} + """A map of the name of a local variable to the node defining it. + + :type: dict(str, NodeNG) + """ + + self.keywords = [] + """The keywords given to the class definition. + + This is usually for :pep:`3115` style metaclass declaration. + + :type: list(Keyword) or None + """ + + self.bases = [] + """What the class inherits from. + + :type: list(NodeNG) + """ + + self.body = [] + """The contents of the class body. + + :type: list(NodeNG) + """ + + self.name = name + """The name of the class. + + :type name: str or None + """ + + self.doc = doc + """The class' docstring. + + :type doc: str or None + """ + + super().__init__(lineno, col_offset, parent) + if parent is not None: + parent.frame().set_local(name, self) + + for local_name, node in self.implicit_locals(): + self.add_local_node(node, local_name) + + def implicit_parameters(self): + return 1 + + def implicit_locals(self): + """Get implicitly defined class definition locals. + + :returns: the the name and Const pair for each local + :rtype: tuple(tuple(str, node_classes.Const), ...) + """ + locals_ = (("__module__", self.special_attributes.attr___module__),) + # __qualname__ is defined in PEP3155 + locals_ += (("__qualname__", self.special_attributes.attr___qualname__),) + return locals_ + + # pylint: disable=redefined-outer-name + def postinit( + self, bases, body, decorators, newstyle=None, metaclass=None, keywords=None + ): + """Do some setup after initialisation. + + :param bases: What the class inherits from. + :type bases: list(NodeNG) + + :param body: The contents of the class body. + :type body: list(NodeNG) + + :param decorators: The decorators that are applied to this class. + :type decorators: Decorators or None + + :param newstyle: Whether this is a new style class or not. + :type newstyle: bool or None + + :param metaclass: The metaclass of this class. + :type metaclass: NodeNG or None + + :param keywords: The keywords given to the class definition. + :type keywords: list(Keyword) or None + """ + self.keywords = keywords + self.bases = bases + self.body = body + self.decorators = decorators + if newstyle is not None: + self._newstyle = newstyle + if metaclass is not None: + self._metaclass = metaclass + + def _newstyle_impl(self, context=None): + if context is None: + context = contextmod.InferenceContext() + if self._newstyle is not None: + return self._newstyle + for base in self.ancestors(recurs=False, context=context): + if base._newstyle_impl(context): + self._newstyle = True + break + klass = self.declared_metaclass() + # could be any callable, we'd need to infer the result of klass(name, + # bases, dict). punt if it's not a class node. + if klass is not None and isinstance(klass, ClassDef): + self._newstyle = klass._newstyle_impl(context) + if self._newstyle is None: + self._newstyle = False + return self._newstyle + + _newstyle = None + newstyle = property( + _newstyle_impl, + doc=("Whether this is a new style class or not\n\n" ":type: bool or None"), + ) + + @decorators_mod.cachedproperty + def blockstart_tolineno(self): + """The line on which the beginning of this block ends. + + :type: int + """ + if self.bases: + return self.bases[-1].tolineno + + return self.fromlineno + + def block_range(self, lineno): + """Get a range from the given line number to where this node ends. + + :param lineno: Unused. + :type lineno: int + + :returns: The range of line numbers that this node belongs to, + :rtype: tuple(int, int) + """ + return self.fromlineno, self.tolineno + + def pytype(self): + """Get the name of the type that this node represents. + + :returns: The name of the type. + :rtype: str + """ + if self.newstyle: + return "%s.type" % BUILTINS + return "%s.classobj" % BUILTINS + + def display_type(self): + """A human readable type of this node. + + :returns: The type of this node. + :rtype: str + """ + return "Class" + + def callable(self): + """Whether this node defines something that is callable. + + :returns: True if this defines something that is callable, + False otherwise. + For a :class:`ClassDef` this is always ``True``. + :rtype: bool + """ + return True + + def is_subtype_of(self, type_name, context=None): + """Whether this class is a subtype of the given type. + + :param type_name: The name of the type of check against. + :type type_name: str + + :returns: True if this class is a subtype of the given type, + False otherwise. + :rtype: bool + """ + if self.qname() == type_name: + return True + for anc in self.ancestors(context=context): + if anc.qname() == type_name: + return True + return False + + def _infer_type_call(self, caller, context): + try: + name_node = next(caller.args[0].infer(context)) + except StopIteration as e: + raise InferenceError(node=caller.args[0], context=context) from e + if isinstance(name_node, node_classes.Const) and isinstance( + name_node.value, str + ): + name = name_node.value + else: + return util.Uninferable + + result = ClassDef(name, None) + + # Get the bases of the class. + try: + class_bases = next(caller.args[1].infer(context)) + except StopIteration as e: + raise InferenceError(node=caller.args[1], context=context) from e + if isinstance(class_bases, (node_classes.Tuple, node_classes.List)): + bases = [] + for base in class_bases.itered(): + inferred = next(base.infer(context=context), None) + if inferred: + bases.append( + node_classes.EvaluatedObject(original=base, value=inferred) + ) + result.bases = bases + else: + # There is currently no AST node that can represent an 'unknown' + # node (Uninferable is not an AST node), therefore we simply return Uninferable here + # although we know at least the name of the class. + return util.Uninferable + + # Get the members of the class + try: + members = next(caller.args[2].infer(context)) + except (InferenceError, StopIteration): + members = None + + if members and isinstance(members, node_classes.Dict): + for attr, value in members.items: + if isinstance(attr, node_classes.Const) and isinstance(attr.value, str): + result.locals[attr.value] = [value] + + result.parent = caller.parent + return result + + def infer_call_result(self, caller, context=None): + """infer what a class is returning when called""" + if self.is_subtype_of(f"{BUILTINS}.type", context) and len(caller.args) == 3: + result = self._infer_type_call(caller, context) + yield result + return + + dunder_call = None + try: + metaclass = self.metaclass(context=context) + if metaclass is not None: + dunder_call = next(metaclass.igetattr("__call__", context)) + except (AttributeInferenceError, StopIteration): + pass + + if dunder_call and dunder_call.qname() != "builtins.type.__call__": + # Call type.__call__ if not set metaclass + # (since type is the default metaclass) + context = contextmod.bind_context_to_node(context, self) + yield from dunder_call.infer_call_result(caller, context) + else: + yield self.instantiate_class() + + def scope_lookup(self, node, name, offset=0): + """Lookup where the given name is assigned. + + :param node: The node to look for assignments up to. + Any assignments after the given node are ignored. + :type node: NodeNG + + :param name: The name to find assignments for. + :type name: str + + :param offset: The line offset to filter statements up to. + :type offset: int + + :returns: This scope node and the list of assignments associated to the + given name according to the scope where it has been found (locals, + globals or builtin). + :rtype: tuple(str, list(NodeNG)) + """ + # If the name looks like a builtin name, just try to look + # into the upper scope of this class. We might have a + # decorator that it's poorly named after a builtin object + # inside this class. + lookup_upper_frame = ( + isinstance(node.parent, node_classes.Decorators) + and name in AstroidManager().builtins_module + ) + if ( + any(node == base or base.parent_of(node) for base in self.bases) + or lookup_upper_frame + ): + # Handle the case where we have either a name + # in the bases of a class, which exists before + # the actual definition or the case where we have + # a Getattr node, with that name. + # + # name = ... + # class A(name): + # def name(self): ... + # + # import name + # class A(name.Name): + # def name(self): ... + + frame = self.parent.frame() + # line offset to avoid that class A(A) resolve the ancestor to + # the defined class + offset = -1 + else: + frame = self + return frame._scope_lookup(node, name, offset) + + @property + def basenames(self): + """The names of the parent classes + + Names are given in the order they appear in the class definition. + + :type: list(str) + """ + return [bnode.as_string() for bnode in self.bases] + + def ancestors(self, recurs=True, context=None): + """Iterate over the base classes in prefixed depth first order. + + :param recurs: Whether to recurse or return direct ancestors only. + :type recurs: bool + + :returns: The base classes + :rtype: iterable(NodeNG) + """ + # FIXME: should be possible to choose the resolution order + # FIXME: inference make infinite loops possible here + yielded = {self} + if context is None: + context = contextmod.InferenceContext() + if not self.bases and self.qname() != "builtins.object": + yield builtin_lookup("object")[1][0] + return + + for stmt in self.bases: + with context.restore_path(): + try: + for baseobj in stmt.infer(context): + if not isinstance(baseobj, ClassDef): + if isinstance(baseobj, bases.Instance): + baseobj = baseobj._proxied + else: + continue + if not baseobj.hide: + if baseobj in yielded: + continue + yielded.add(baseobj) + yield baseobj + if not recurs: + continue + for grandpa in baseobj.ancestors(recurs=True, context=context): + if grandpa is self: + # This class is the ancestor of itself. + break + if grandpa in yielded: + continue + yielded.add(grandpa) + yield grandpa + except InferenceError: + continue + + def local_attr_ancestors(self, name, context=None): + """Iterate over the parents that define the given name. + + :param name: The name to find definitions for. + :type name: str + + :returns: The parents that define the given name. + :rtype: iterable(NodeNG) + """ + # Look up in the mro if we can. This will result in the + # attribute being looked up just as Python does it. + try: + ancestors = self.mro(context)[1:] + except MroError: + # Fallback to use ancestors, we can't determine + # a sane MRO. + ancestors = self.ancestors(context=context) + for astroid in ancestors: + if name in astroid: + yield astroid + + def instance_attr_ancestors(self, name, context=None): + """Iterate over the parents that define the given name as an attribute. + + :param name: The name to find definitions for. + :type name: str + + :returns: The parents that define the given name as + an instance attribute. + :rtype: iterable(NodeNG) + """ + for astroid in self.ancestors(context=context): + if name in astroid.instance_attrs: + yield astroid + + def has_base(self, node): + """Whether this class directly inherits from the given node. + + :param node: The node to check for. + :type node: NodeNG + + :returns: True if this class directly inherits from the given node. + :rtype: bool + """ + return node in self.bases + + def local_attr(self, name, context=None): + """Get the list of assign nodes associated to the given name. + + Assignments are looked for in both this class and in parents. + + :returns: The list of assignments to the given name. + :rtype: list(NodeNG) + + :raises AttributeInferenceError: If no attribute with this name + can be found in this class or parent classes. + """ + result = [] + if name in self.locals: + result = self.locals[name] + else: + class_node = next(self.local_attr_ancestors(name, context), None) + if class_node: + result = class_node.locals[name] + result = [n for n in result if not isinstance(n, node_classes.DelAttr)] + if result: + return result + raise AttributeInferenceError(target=self, attribute=name, context=context) + + def instance_attr(self, name, context=None): + """Get the list of nodes associated to the given attribute name. + + Assignments are looked for in both this class and in parents. + + :returns: The list of assignments to the given name. + :rtype: list(NodeNG) + + :raises AttributeInferenceError: If no attribute with this name + can be found in this class or parent classes. + """ + # Return a copy, so we don't modify self.instance_attrs, + # which could lead to infinite loop. + values = list(self.instance_attrs.get(name, [])) + # get all values from parents + for class_node in self.instance_attr_ancestors(name, context): + values += class_node.instance_attrs[name] + values = [n for n in values if not isinstance(n, node_classes.DelAttr)] + if values: + return values + raise AttributeInferenceError(target=self, attribute=name, context=context) + + def instantiate_class(self): + """Get an :class:`Instance` of the :class:`ClassDef` node. + + :returns: An :class:`Instance` of the :class:`ClassDef` node, + or self if this is not possible. + :rtype: Instance or ClassDef + """ + try: + if any(cls.name in EXCEPTION_BASE_CLASSES for cls in self.mro()): + # Subclasses of exceptions can be exception instances + return objects.ExceptionInstance(self) + except MroError: + pass + return bases.Instance(self) + + def getattr(self, name, context=None, class_context=True): + """Get an attribute from this class, using Python's attribute semantic. + + This method doesn't look in the :attr:`instance_attrs` dictionary + since it is done by an :class:`Instance` proxy at inference time. + It may return an :class:`Uninferable` object if + the attribute has not been + found, but a ``__getattr__`` or ``__getattribute__`` method is defined. + If ``class_context`` is given, then it is considered that the + attribute is accessed from a class context, + e.g. ClassDef.attribute, otherwise it might have been accessed + from an instance as well. If ``class_context`` is used in that + case, then a lookup in the implicit metaclass and the explicit + metaclass will be done. + + :param name: The attribute to look for. + :type name: str + + :param class_context: Whether the attribute can be accessed statically. + :type class_context: bool + + :returns: The attribute. + :rtype: list(NodeNG) + + :raises AttributeInferenceError: If the attribute cannot be inferred. + """ + if not name: + raise AttributeInferenceError(target=self, attribute=name, context=context) + + values = self.locals.get(name, []) + if name in self.special_attributes and class_context and not values: + result = [self.special_attributes.lookup(name)] + if name == "__bases__": + # Need special treatment, since they are mutable + # and we need to return all the values. + result += values + return result + + # don't modify the list in self.locals! + values = list(values) + for classnode in self.ancestors(recurs=True, context=context): + values += classnode.locals.get(name, []) + + if class_context: + values += self._metaclass_lookup_attribute(name, context) + + if not values: + raise AttributeInferenceError(target=self, attribute=name, context=context) + + # Look for AnnAssigns, which are not attributes in the purest sense. + for value in values: + if isinstance(value, node_classes.AssignName): + stmt = value.statement() + if isinstance(stmt, node_classes.AnnAssign) and stmt.value is None: + raise AttributeInferenceError( + target=self, attribute=name, context=context + ) + return values + + def _metaclass_lookup_attribute(self, name, context): + """Search the given name in the implicit and the explicit metaclass.""" + attrs = set() + implicit_meta = self.implicit_metaclass() + context = contextmod.copy_context(context) + metaclass = self.metaclass(context=context) + for cls in (implicit_meta, metaclass): + if cls and cls != self and isinstance(cls, ClassDef): + cls_attributes = self._get_attribute_from_metaclass(cls, name, context) + attrs.update(set(cls_attributes)) + return attrs + + def _get_attribute_from_metaclass(self, cls, name, context): + try: + attrs = cls.getattr(name, context=context, class_context=True) + except AttributeInferenceError: + return + + for attr in bases._infer_stmts(attrs, context, frame=cls): + if not isinstance(attr, FunctionDef): + yield attr + continue + + if isinstance(attr, objects.Property): + yield attr + continue + if attr.type == "classmethod": + # If the method is a classmethod, then it will + # be bound to the metaclass, not to the class + # from where the attribute is retrieved. + # get_wrapping_class could return None, so just + # default to the current class. + frame = get_wrapping_class(attr) or self + yield bases.BoundMethod(attr, frame) + elif attr.type == "staticmethod": + yield attr + else: + yield bases.BoundMethod(attr, self) + + def igetattr(self, name, context=None, class_context=True): + """Infer the possible values of the given variable. + + :param name: The name of the variable to infer. + :type name: str + + :returns: The inferred possible values. + :rtype: iterable(NodeNG or Uninferable) + """ + # set lookup name since this is necessary to infer on import nodes for + # instance + context = contextmod.copy_context(context) + context.lookupname = name + + metaclass = self.metaclass(context=context) + try: + attributes = self.getattr(name, context, class_context=class_context) + # If we have more than one attribute, make sure that those starting from + # the second one are from the same scope. This is to account for modifications + # to the attribute happening *after* the attribute's definition (e.g. AugAssigns on lists) + if len(attributes) > 1: + first_attr, attributes = attributes[0], attributes[1:] + first_scope = first_attr.scope() + attributes = [first_attr] + [ + attr + for attr in attributes + if attr.parent and attr.parent.scope() == first_scope + ] + + for inferred in bases._infer_stmts(attributes, context, frame=self): + # yield Uninferable object instead of descriptors when necessary + if not isinstance(inferred, node_classes.Const) and isinstance( + inferred, bases.Instance + ): + try: + inferred._proxied.getattr("__get__", context) + except AttributeInferenceError: + yield inferred + else: + yield util.Uninferable + elif isinstance(inferred, objects.Property): + function = inferred.function + if not class_context: + # Through an instance so we can solve the property + yield from function.infer_call_result( + caller=self, context=context + ) + # If we're in a class context, we need to determine if the property + # was defined in the metaclass (a derived class must be a subclass of + # the metaclass of all its bases), in which case we can resolve the + # property. If not, i.e. the property is defined in some base class + # instead, then we return the property object + elif metaclass and function.parent.scope() is metaclass: + # Resolve a property as long as it is not accessed through + # the class itself. + yield from function.infer_call_result( + caller=self, context=context + ) + else: + yield inferred + else: + yield function_to_method(inferred, self) + except AttributeInferenceError as error: + if not name.startswith("__") and self.has_dynamic_getattr(context): + # class handle some dynamic attributes, return a Uninferable object + yield util.Uninferable + else: + raise InferenceError( + str(error), target=self, attribute=name, context=context + ) from error + + def has_dynamic_getattr(self, context=None): + """Check if the class has a custom __getattr__ or __getattribute__. + + If any such method is found and it is not from + builtins, nor from an extension module, then the function + will return True. + + :returns: True if the class has a custom + __getattr__ or __getattribute__, False otherwise. + :rtype: bool + """ + + def _valid_getattr(node): + root = node.root() + return root.name != BUILTINS and getattr(root, "pure_python", None) + + try: + return _valid_getattr(self.getattr("__getattr__", context)[0]) + except AttributeInferenceError: + # if self.newstyle: XXX cause an infinite recursion error + try: + getattribute = self.getattr("__getattribute__", context)[0] + return _valid_getattr(getattribute) + except AttributeInferenceError: + pass + return False + + def getitem(self, index, context=None): + """Return the inference of a subscript. + + This is basically looking up the method in the metaclass and calling it. + + :returns: The inferred value of a subscript to this class. + :rtype: NodeNG + + :raises AstroidTypeError: If this class does not define a + ``__getitem__`` method. + """ + try: + methods = lookup(self, "__getitem__") + except AttributeInferenceError as exc: + if isinstance(self, ClassDef): + # subscripting a class definition may be + # achieved thanks to __class_getitem__ method + # which is a classmethod defined in the class + # that supports subscript and not in the metaclass + try: + methods = self.getattr("__class_getitem__") + # Here it is assumed that the __class_getitem__ node is + # a FunctionDef. One possible improvement would be to deal + # with more generic inference. + except AttributeInferenceError: + raise AstroidTypeError(node=self, context=context) from exc + else: + raise AstroidTypeError(node=self, context=context) from exc + + method = methods[0] + + # Create a new callcontext for providing index as an argument. + new_context = contextmod.bind_context_to_node(context, self) + new_context.callcontext = contextmod.CallContext(args=[index]) + + try: + return next(method.infer_call_result(self, new_context), util.Uninferable) + except AttributeError: + # Starting with python3.9, builtin types list, dict etc... + # are subscriptable thanks to __class_getitem___ classmethod. + # However in such case the method is bound to an EmptyNode and + # EmptyNode doesn't have infer_call_result method yielding to + # AttributeError + if ( + isinstance(method, node_classes.EmptyNode) + and self.name in ("list", "dict", "set", "tuple", "frozenset") + and PY39_PLUS + ): + return self + raise + except InferenceError: + return util.Uninferable + + def methods(self): + """Iterate over all of the method defined in this class and its parents. + + :returns: The methods defined on the class. + :rtype: iterable(FunctionDef) + """ + done = {} + for astroid in itertools.chain(iter((self,)), self.ancestors()): + for meth in astroid.mymethods(): + if meth.name in done: + continue + done[meth.name] = None + yield meth + + def mymethods(self): + """Iterate over all of the method defined in this class only. + + :returns: The methods defined on the class. + :rtype: iterable(FunctionDef) + """ + for member in self.values(): + if isinstance(member, FunctionDef): + yield member + + def implicit_metaclass(self): + """Get the implicit metaclass of the current class. + + For newstyle classes, this will return an instance of builtins.type. + For oldstyle classes, it will simply return None, since there's + no implicit metaclass there. + + :returns: The metaclass. + :rtype: builtins.type or None + """ + if self.newstyle: + return builtin_lookup("type")[1][0] + return None + + _metaclass = None + + def declared_metaclass(self, context=None): + """Return the explicit declared metaclass for the current class. + + An explicit declared metaclass is defined + either by passing the ``metaclass`` keyword argument + in the class definition line (Python 3) or (Python 2) by + having a ``__metaclass__`` class attribute, or if there are + no explicit bases but there is a global ``__metaclass__`` variable. + + :returns: The metaclass of this class, + or None if one could not be found. + :rtype: NodeNG or None + """ + for base in self.bases: + try: + for baseobj in base.infer(context=context): + if isinstance(baseobj, ClassDef) and baseobj.hide: + self._metaclass = baseobj._metaclass + self._metaclass_hack = True + break + except InferenceError: + pass + + if self._metaclass: + # Expects this from Py3k TreeRebuilder + try: + return next( + node + for node in self._metaclass.infer(context=context) + if node is not util.Uninferable + ) + except (InferenceError, StopIteration): + return None + + return None + + def _find_metaclass(self, seen=None, context=None): + if seen is None: + seen = set() + seen.add(self) + + klass = self.declared_metaclass(context=context) + if klass is None: + for parent in self.ancestors(context=context): + if parent not in seen: + klass = parent._find_metaclass(seen) + if klass is not None: + break + return klass + + def metaclass(self, context=None): + """Get the metaclass of this class. + + If this class does not define explicitly a metaclass, + then the first defined metaclass in ancestors will be used + instead. + + :returns: The metaclass of this class. + :rtype: NodeNG or None + """ + return self._find_metaclass(context=context) + + def has_metaclass_hack(self): + return self._metaclass_hack + + def _islots(self): + """Return an iterator with the inferred slots.""" + if "__slots__" not in self.locals: + return None + for slots in self.igetattr("__slots__"): + # check if __slots__ is a valid type + for meth in ITER_METHODS: + try: + slots.getattr(meth) + break + except AttributeInferenceError: + continue + else: + continue + + if isinstance(slots, node_classes.Const): + # a string. Ignore the following checks, + # but yield the node, only if it has a value + if slots.value: + yield slots + continue + if not hasattr(slots, "itered"): + # we can't obtain the values, maybe a .deque? + continue + + if isinstance(slots, node_classes.Dict): + values = [item[0] for item in slots.items] + else: + values = slots.itered() + if values is util.Uninferable: + continue + if not values: + # Stop the iteration, because the class + # has an empty list of slots. + return values + + for elt in values: + try: + for inferred in elt.infer(): + if inferred is util.Uninferable: + continue + if not isinstance( + inferred, node_classes.Const + ) or not isinstance(inferred.value, str): + continue + if not inferred.value: + continue + yield inferred + except InferenceError: + continue + + return None + + def _slots(self): + if not self.newstyle: + raise NotImplementedError( + "The concept of slots is undefined for old-style classes." + ) + + slots = self._islots() + try: + first = next(slots) + except StopIteration as exc: + # The class doesn't have a __slots__ definition or empty slots. + if exc.args and exc.args[0] not in ("", None): + return exc.args[0] + return None + return [first] + list(slots) + + # Cached, because inferring them all the time is expensive + @decorators_mod.cached + def slots(self): + """Get all the slots for this node. + + :returns: The names of slots for this class. + If the class doesn't define any slot, through the ``__slots__`` + variable, then this function will return a None. + Also, it will return None in the case the slots were not inferred. + :rtype: list(str) or None + """ + + def grouped_slots( + mro: List["ClassDef"], + ) -> typing.Iterator[Optional[node_classes.NodeNG]]: + # Not interested in object, since it can't have slots. + for cls in mro[:-1]: + try: + cls_slots = cls._slots() + except NotImplementedError: + continue + if cls_slots is not None: + yield from cls_slots + else: + yield None + + if not self.newstyle: + raise NotImplementedError( + "The concept of slots is undefined for old-style classes." + ) + + try: + mro = self.mro() + except MroError as e: + raise NotImplementedError( + "Cannot get slots while parsing mro fails." + ) from e + + slots = list(grouped_slots(mro)) + if not all(slot is not None for slot in slots): + return None + + return sorted(set(slots), key=lambda item: item.value) + + def _inferred_bases(self, context=None): + # Similar with .ancestors, but the difference is when one base is inferred, + # only the first object is wanted. That's because + # we aren't interested in superclasses, as in the following + # example: + # + # class SomeSuperClass(object): pass + # class SomeClass(SomeSuperClass): pass + # class Test(SomeClass): pass + # + # Inferring SomeClass from the Test's bases will give + # us both SomeClass and SomeSuperClass, but we are interested + # only in SomeClass. + + if context is None: + context = contextmod.InferenceContext() + if not self.bases and self.qname() != "builtins.object": + yield builtin_lookup("object")[1][0] + return + + for stmt in self.bases: + try: + baseobj = next(stmt.infer(context=context.clone())) + except (InferenceError, StopIteration): + continue + if isinstance(baseobj, bases.Instance): + baseobj = baseobj._proxied + if not isinstance(baseobj, ClassDef): + continue + if not baseobj.hide: + yield baseobj + else: + yield from baseobj.bases + + def _compute_mro(self, context=None): + inferred_bases = list(self._inferred_bases(context=context)) + bases_mro = [] + for base in inferred_bases: + if base is self: + continue + + try: + mro = base._compute_mro(context=context) + bases_mro.append(mro) + except NotImplementedError: + # Some classes have in their ancestors both newstyle and + # old style classes. For these we can't retrieve the .mro, + # although in Python it's possible, since the class we are + # currently working is in fact new style. + # So, we fallback to ancestors here. + ancestors = list(base.ancestors(context=context)) + bases_mro.append(ancestors) + + unmerged_mro = [[self]] + bases_mro + [inferred_bases] + unmerged_mro = list(clean_duplicates_mro(unmerged_mro, self, context)) + clean_typing_generic_mro(unmerged_mro) + return _c3_merge(unmerged_mro, self, context) + + def mro(self, context=None) -> List["ClassDef"]: + """Get the method resolution order, using C3 linearization. + + :returns: The list of ancestors, sorted by the mro. + :rtype: list(NodeNG) + :raises DuplicateBasesError: Duplicate bases in the same class base + :raises InconsistentMroError: A class' MRO is inconsistent + """ + return self._compute_mro(context=context) + + def bool_value(self, context=None): + """Determine the boolean value of this node. + + :returns: The boolean value of this node. + For a :class:`ClassDef` this is always ``True``. + :rtype: bool + """ + return True + + def get_children(self): + if self.decorators is not None: + yield self.decorators + + yield from self.bases + if self.keywords is not None: + yield from self.keywords + yield from self.body + + @decorators_mod.cached + def _get_assign_nodes(self): + children_assign_nodes = ( + child_node._get_assign_nodes() for child_node in self.body + ) + return list(itertools.chain.from_iterable(children_assign_nodes)) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/test_utils.py b/backend/mb-env/lib/python3.9/site-packages/astroid/test_utils.py new file mode 100644 index 0000000..9419224 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/test_utils.py @@ -0,0 +1,85 @@ +# Copyright (c) 2013-2014 Google, Inc. +# Copyright (c) 2014 LOGILAB S.A. (Paris, FRANCE) +# Copyright (c) 2015-2016, 2018-2020 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2016 Jakub Wilk +# Copyright (c) 2018 Anthony Sottile +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +"""Utility functions for test code that uses astroid ASTs as input.""" +import contextlib +import functools +import sys +import warnings +from typing import Callable, Tuple + +import pytest + +from astroid import manager, nodes, transforms + + +def require_version(minver: str = "0.0.0", maxver: str = "4.0.0") -> Callable: + """Compare version of python interpreter to the given one. + Skip the test if older. + """ + + def parse(python_version: str) -> Tuple[int]: + try: + return tuple(int(v) for v in python_version.split(".")) + except ValueError as e: + msg = f"{python_version} is not a correct version : should be X.Y[.Z]." + raise ValueError(msg) from e + + min_version = parse(minver) + max_version = parse(maxver) + + def check_require_version(f): + current: Tuple[int, int, int] = sys.version_info[:3] + if min_version < current <= max_version: + return f + + version: str = ".".join(str(v) for v in sys.version_info) + + @functools.wraps(f) + def new_f(*args, **kwargs): + if minver != "0.0.0": + pytest.skip(f"Needs Python > {minver}. Current version is {version}.") + elif maxver != "4.0.0": + pytest.skip(f"Needs Python <= {maxver}. Current version is {version}.") + + return new_f + + return check_require_version + + +def get_name_node(start_from, name, index=0): + return [n for n in start_from.nodes_of_class(nodes.Name) if n.name == name][index] + + +@contextlib.contextmanager +def enable_warning(warning): + warnings.simplefilter("always", warning) + try: + yield + finally: + # Reset it to default value, so it will take + # into account the values from the -W flag. + warnings.simplefilter("default", warning) + + +def brainless_manager(): + m = manager.AstroidManager() + # avoid caching into the AstroidManager borg since we get problems + # with other tests : + m.__dict__ = {} + m._failed_import_hooks = [] + m.astroid_cache = {} + m._mod_file_cache = {} + m._transform = transforms.TransformVisitor() + return m diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/transforms.py b/backend/mb-env/lib/python3.9/site-packages/astroid/transforms.py new file mode 100644 index 0000000..2bab4fa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/transforms.py @@ -0,0 +1,96 @@ +# Copyright (c) 2015-2016, 2018 Claudiu Popa +# Copyright (c) 2016 Ceridwen +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> +# Copyright (c) 2021 Andrew Haigh + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + + +import collections +from functools import lru_cache + +from astroid import context as contextmod + + +class TransformVisitor: + """A visitor for handling transforms. + + The standard approach of using it is to call + :meth:`~visit` with an *astroid* module and the class + will take care of the rest, walking the tree and running the + transforms for each encountered node. + """ + + TRANSFORM_MAX_CACHE_SIZE = 10000 + + def __init__(self): + self.transforms = collections.defaultdict(list) + + @lru_cache(maxsize=TRANSFORM_MAX_CACHE_SIZE) + def _transform(self, node): + """Call matching transforms for the given node if any and return the + transformed node. + """ + cls = node.__class__ + if cls not in self.transforms: + # no transform registered for this class of node + return node + + transforms = self.transforms[cls] + for transform_func, predicate in transforms: + if predicate is None or predicate(node): + ret = transform_func(node) + # if the transformation function returns something, it's + # expected to be a replacement for the node + if ret is not None: + contextmod._invalidate_cache() + node = ret + if ret.__class__ != cls: + # Can no longer apply the rest of the transforms. + break + return node + + def _visit(self, node): + if hasattr(node, "_astroid_fields"): + for name in node._astroid_fields: + value = getattr(node, name) + visited = self._visit_generic(value) + if visited != value: + setattr(node, name, visited) + return self._transform(node) + + def _visit_generic(self, node): + if isinstance(node, list): + return [self._visit_generic(child) for child in node] + if isinstance(node, tuple): + return tuple(self._visit_generic(child) for child in node) + if not node or isinstance(node, str): + return node + + return self._visit(node) + + def register_transform(self, node_class, transform, predicate=None): + """Register `transform(node)` function to be applied on the given + astroid's `node_class` if `predicate` is None or returns true + when called with the node as argument. + + The transform function may return a value which is then used to + substitute the original node in the tree. + """ + self.transforms[node_class].append((transform, predicate)) + + def unregister_transform(self, node_class, transform, predicate=None): + """Unregister the given transform.""" + self.transforms[node_class].remove((transform, predicate)) + + def visit(self, module): + """Walk the given astroid *tree* and transform each encountered node + + Only the nodes which have transforms registered will actually + be replaced or changed. + """ + module.body = [self._visit(child) for child in module.body] + return self._transform(module) diff --git a/backend/mb-env/lib/python3.9/site-packages/astroid/util.py b/backend/mb-env/lib/python3.9/site-packages/astroid/util.py new file mode 100644 index 0000000..b54b2ec --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/astroid/util.py @@ -0,0 +1,142 @@ +# Copyright (c) 2015-2018 Claudiu Popa +# Copyright (c) 2015-2016 Ceridwen +# Copyright (c) 2018 Bryce Guinta +# Copyright (c) 2018 Nick Drozd +# Copyright (c) 2020-2021 hippo91 +# Copyright (c) 2020 Bryce Guinta +# Copyright (c) 2021 Pierre Sassoulas +# Copyright (c) 2021 Marc Mueller <30130371+cdce8p@users.noreply.github.com> + +# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html +# For details: https://github.com/PyCQA/astroid/blob/main/LICENSE + +import importlib +import warnings + +import lazy_object_proxy + + +def lazy_descriptor(obj): + class DescriptorProxy(lazy_object_proxy.Proxy): + def __get__(self, instance, owner=None): + return self.__class__.__get__(self, instance) + + return DescriptorProxy(obj) + + +def lazy_import(module_name): + return lazy_object_proxy.Proxy( + lambda: importlib.import_module("." + module_name, "astroid") + ) + + +@object.__new__ +class Uninferable: + """Special inference object, which is returned when inference fails.""" + + def __repr__(self): + return "Uninferable" + + __str__ = __repr__ + + def __getattribute__(self, name): + if name == "next": + raise AttributeError("next method should not be called") + if name.startswith("__") and name.endswith("__"): + return object.__getattribute__(self, name) + if name == "accept": + return object.__getattribute__(self, name) + return self + + def __call__(self, *args, **kwargs): + return self + + def __bool__(self): + return False + + __nonzero__ = __bool__ + + def accept(self, visitor): + return visitor.visit_uninferable(self) + + +class BadOperationMessage: + """Object which describes a TypeError occurred somewhere in the inference chain + + This is not an exception, but a container object which holds the types and + the error which occurred. + """ + + +class BadUnaryOperationMessage(BadOperationMessage): + """Object which describes operational failures on UnaryOps.""" + + def __init__(self, operand, op, error): + self.operand = operand + self.op = op + self.error = error + + @property + def _object_type_helper(self): + helpers = lazy_import("helpers") + return helpers.object_type + + def _object_type(self, obj): + objtype = self._object_type_helper(obj) + if objtype is Uninferable: + return None + + return objtype + + def __str__(self): + if hasattr(self.operand, "name"): + operand_type = self.operand.name + else: + object_type = self._object_type(self.operand) + if hasattr(object_type, "name"): + operand_type = object_type.name + else: + # Just fallback to as_string + operand_type = object_type.as_string() + + msg = "bad operand type for unary {}: {}" + return msg.format(self.op, operand_type) + + +class BadBinaryOperationMessage(BadOperationMessage): + """Object which describes type errors for BinOps.""" + + def __init__(self, left_type, op, right_type): + self.left_type = left_type + self.right_type = right_type + self.op = op + + def __str__(self): + msg = "unsupported operand type(s) for {}: {!r} and {!r}" + return msg.format(self.op, self.left_type.name, self.right_type.name) + + +def _instancecheck(cls, other): + wrapped = cls.__wrapped__ + other_cls = other.__class__ + is_instance_of = wrapped is other_cls or issubclass(other_cls, wrapped) + warnings.warn( + "%r is deprecated and slated for removal in astroid " + "2.0, use %r instead" % (cls.__class__.__name__, wrapped.__name__), + PendingDeprecationWarning, + stacklevel=2, + ) + return is_instance_of + + +def proxy_alias(alias_name, node_type): + """Get a Proxy from the given name to the given node type.""" + proxy = type( + alias_name, + (lazy_object_proxy.Proxy,), + { + "__class__": object.__dict__["__class__"], + "__instancecheck__": _instancecheck, + }, + ) + return proxy(lambda: node_type) diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/LICENSE new file mode 100644 index 0000000..8dada3e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Also it's much faster than ``asyncio.wait_for()`` +because ``timeout`` doesn't create a new task. + +The ``timeout(timeout, *, loop=None)`` call returns a context manager +that cancels a block on *timeout* expiring:: + + async with timeout(1.5): + await inner() + +1. If ``inner()`` is executed faster than in ``1.5`` seconds nothing + happens. +2. Otherwise ``inner()`` is cancelled internally by sending + ``asyncio.CancelledError`` into but ``asyncio.TimeoutError`` is + raised outside of context manager scope. + +*timeout* parameter could be ``None`` for skipping timeout functionality. + + +Context manager has ``.expired`` property for check if timeout happens +exactly in context manager:: + + async with timeout(1.5) as cm: + await inner() + print(cm.expired) + +The property is ``True`` if ``inner()`` execution is cancelled by +timeout context manager. + +If ``inner()`` call explicitly raises ``TimeoutError`` ``cm.expired`` +is ``False``. + +Installation +------------ + +:: + + $ pip install async-timeout + +The library is Python 3 only! + + + +Authors and License +------------------- + +The module is written by Andrew Svetlov. + +It's *Apache 2* licensed and freely available. + + +CHANGES +======= + +3.0.1 (2018-10-09) +------------------ + +- More aggressive typing (#48) + +3.0.0 (2018-05-05) +------------------ + +- Drop Python 3.4, the minimal supported version is Python 3.5.3 + +- Provide type annotations + +2.0.1 (2018-03-13) +------------------ + +* Fix ``PendingDeprecationWarning`` on Python 3.7 (#33) + + +2.0.0 (2017-10-09) +------------------ + +* Changed `timeout <= 0` behaviour + + * Backward incompatibility change, prior this version `0` was + shortcut for `None` + * when timeout <= 0 `TimeoutError` raised faster + +1.4.0 (2017-09-09) +------------------ + +* Implement `remaining` property (#20) + + * If timeout is not started yet or started unconstrained: + `remaining` is `None` + * If timeout is expired: `remaining` is `0.0` + * All others: roughly amount of time before `TimeoutError` is triggered + +1.3.0 (2017-08-23) +------------------ + +* Don't suppress nested exception on timeout. Exception context points + on cancelled line with suspended `await` (#13) + +* Introduce `.timeout` property (#16) + +* Add methods for using as async context manager (#9) + +1.2.1 (2017-05-02) +------------------ + +* Support unpublished event loop's "current_task" api. + + +1.2.0 (2017-03-11) +------------------ + +* Extra check on context manager exit + +* 0 is no-op timeout + + +1.1.0 (2016-10-20) +------------------ + +* Rename to `async-timeout` + +1.0.0 (2016-09-09) +------------------ + +* The first release. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/RECORD new file mode 100644 index 0000000..5a57512 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/RECORD @@ -0,0 +1,10 @@ +async_timeout-3.0.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +async_timeout-3.0.1.dist-info/LICENSE,sha256=tAkwu8-AdEyGxGoSvJ2gVmQdcicWw3j1ZZueVV74M-E,11357 +async_timeout-3.0.1.dist-info/METADATA,sha256=_3ByJ8L0-cU5wWu75_Rl8n0ZkbSCgW15fMAu_DzwTm0,4013 +async_timeout-3.0.1.dist-info/RECORD,, +async_timeout-3.0.1.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +async_timeout-3.0.1.dist-info/WHEEL,sha256=-ZFxwj8mZJPIVcZGLrsQ8UGRcxVAOExzPLVBGR7u7bE,92 +async_timeout-3.0.1.dist-info/top_level.txt,sha256=9oM4e7Twq8iD_7_Q3Mz0E6GPIB6vJvRFo-UBwUQtBDU,14 +async_timeout/__init__.py,sha256=mGvWOoRqLtScEU3kmzqtTSH7EQsHvu8zhgHxOTXCn7c,3654 +async_timeout/__pycache__/__init__.cpython-39.pyc,, +async_timeout/py.typed,sha256=9LJP7QJ0oxYYrBtmXuFirzMbS3D9_3Tz-d3tyUtNp0U,11 diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/WHEEL new file mode 100644 index 0000000..f87af07 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.32.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..ad29955 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout-3.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +async_timeout diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout/__init__.py b/backend/mb-env/lib/python3.9/site-packages/async_timeout/__init__.py new file mode 100644 index 0000000..dcc55f0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout/__init__.py @@ -0,0 +1,115 @@ +import asyncio +import sys + +from types import TracebackType +from typing import Optional, Type, Any # noqa + + +__version__ = '3.0.1' + +PY_37 = sys.version_info >= (3, 7) + + +class timeout: + """timeout context manager. + + Useful in cases when you want to apply timeout logic around block + of code or in cases when asyncio.wait_for is not suitable. For example: + + >>> with timeout(0.001): + ... async with aiohttp.get('https://github.com') as r: + ... await r.text() + + + timeout - value in seconds or None to disable timeout logic + loop - asyncio compatible event loop + """ + def __init__(self, timeout: Optional[float], + *, loop: Optional[asyncio.AbstractEventLoop] = None) -> None: + self._timeout = timeout + if loop is None: + loop = asyncio.get_event_loop() + self._loop = loop + self._task = None # type: Optional[asyncio.Task[Any]] + self._cancelled = False + self._cancel_handler = None # type: Optional[asyncio.Handle] + self._cancel_at = None # type: Optional[float] + + def __enter__(self) -> 'timeout': + return self._do_enter() + + def __exit__(self, + exc_type: Type[BaseException], + exc_val: BaseException, + exc_tb: TracebackType) -> Optional[bool]: + self._do_exit(exc_type) + return None + + async def __aenter__(self) -> 'timeout': + return self._do_enter() + + async def __aexit__(self, + exc_type: Type[BaseException], + exc_val: BaseException, + exc_tb: TracebackType) -> None: + self._do_exit(exc_type) + + @property + def expired(self) -> bool: + return self._cancelled + + @property + def remaining(self) -> Optional[float]: + if self._cancel_at is not None: + return max(self._cancel_at - self._loop.time(), 0.0) + else: + return None + + def _do_enter(self) -> 'timeout': + # Support Tornado 5- without timeout + # Details: https://github.com/python/asyncio/issues/392 + if self._timeout is None: + return self + + self._task = current_task(self._loop) + if self._task is None: + raise RuntimeError('Timeout context manager should be used ' + 'inside a task') + + if self._timeout <= 0: + self._loop.call_soon(self._cancel_task) + return self + + self._cancel_at = self._loop.time() + self._timeout + self._cancel_handler = self._loop.call_at( + self._cancel_at, self._cancel_task) + return self + + def _do_exit(self, exc_type: Type[BaseException]) -> None: + if exc_type is asyncio.CancelledError and self._cancelled: + self._cancel_handler = None + self._task = None + raise asyncio.TimeoutError + if self._timeout is not None and self._cancel_handler is not None: + self._cancel_handler.cancel() + self._cancel_handler = None + self._task = None + return None + + def _cancel_task(self) -> None: + if self._task is not None: + self._task.cancel() + self._cancelled = True + + +def current_task(loop: asyncio.AbstractEventLoop) -> 'asyncio.Task[Any]': + if PY_37: + task = asyncio.current_task(loop=loop) # type: ignore + else: + task = asyncio.Task.current_task(loop=loop) + if task is None: + # this should be removed, tokio must use register_task and family API + if hasattr(loop, 'current_task'): + task = loop.current_task() # type: ignore + + return task diff --git a/backend/mb-env/lib/python3.9/site-packages/async_timeout/py.typed b/backend/mb-env/lib/python3.9/site-packages/async_timeout/py.typed new file mode 100644 index 0000000..f6e0339 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/async_timeout/py.typed @@ -0,0 +1 @@ +Placeholder \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/__init__.py b/backend/mb-env/lib/python3.9/site-packages/attr/__init__.py new file mode 100644 index 0000000..b1ce7fe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/__init__.py @@ -0,0 +1,78 @@ +from __future__ import absolute_import, division, print_function + +import sys + +from functools import partial + +from . import converters, exceptions, filters, setters, validators +from ._cmp import cmp_using +from ._config import get_run_validators, set_run_validators +from ._funcs import asdict, assoc, astuple, evolve, has, resolve_types +from ._make import ( + NOTHING, + Attribute, + Factory, + attrib, + attrs, + fields, + fields_dict, + make_class, + validate, +) +from ._version_info import VersionInfo + + +__version__ = "21.2.0" +__version_info__ = VersionInfo._from_version_string(__version__) + +__title__ = "attrs" +__description__ = "Classes Without Boilerplate" +__url__ = "https://www.attrs.org/" +__uri__ = __url__ +__doc__ = __description__ + " <" + __uri__ + ">" + +__author__ = "Hynek Schlawack" +__email__ = "hs@ox.cx" + +__license__ = "MIT" +__copyright__ = "Copyright (c) 2015 Hynek Schlawack" + + +s = attributes = attrs +ib = attr = attrib +dataclass = partial(attrs, auto_attribs=True) # happy Easter ;) + +__all__ = [ + "Attribute", + "Factory", + "NOTHING", + "asdict", + "assoc", + "astuple", + "attr", + "attrib", + "attributes", + "attrs", + "cmp_using", + "converters", + "evolve", + "exceptions", + "fields", + "fields_dict", + "filters", + "get_run_validators", + "has", + "ib", + "make_class", + "resolve_types", + "s", + "set_run_validators", + "setters", + "validate", + "validators", +] + +if sys.version_info[:2] >= (3, 6): + from ._next_gen import define, field, frozen, mutable + + __all__.extend((define, field, frozen, mutable)) diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/__init__.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/__init__.pyi new file mode 100644 index 0000000..3503b07 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/__init__.pyi @@ -0,0 +1,475 @@ +import sys + +from typing import ( + Any, + Callable, + Dict, + Generic, + List, + Mapping, + Optional, + Sequence, + Tuple, + Type, + TypeVar, + Union, + overload, +) + +# `import X as X` is required to make these public +from . import converters as converters +from . import exceptions as exceptions +from . import filters as filters +from . import setters as setters +from . import validators as validators +from ._version_info import VersionInfo + + +__version__: str +__version_info__: VersionInfo +__title__: str +__description__: str +__url__: str +__uri__: str +__author__: str +__email__: str +__license__: str +__copyright__: str + +_T = TypeVar("_T") +_C = TypeVar("_C", bound=type) + +_EqOrderType = Union[bool, Callable[[Any], Any]] +_ValidatorType = Callable[[Any, Attribute[_T], _T], Any] +_ConverterType = Callable[[Any], Any] +_FilterType = Callable[[Attribute[_T], _T], bool] +_ReprType = Callable[[Any], str] +_ReprArgType = Union[bool, _ReprType] +_OnSetAttrType = Callable[[Any, Attribute[Any], Any], Any] +_OnSetAttrArgType = Union[ + _OnSetAttrType, List[_OnSetAttrType], setters._NoOpType +] +_FieldTransformer = Callable[[type, List[Attribute[Any]]], List[Attribute[Any]]] +# FIXME: in reality, if multiple validators are passed they must be in a list +# or tuple, but those are invariant and so would prevent subtypes of +# _ValidatorType from working when passed in a list or tuple. +_ValidatorArgType = Union[_ValidatorType[_T], Sequence[_ValidatorType[_T]]] + +# _make -- + +NOTHING: object + +# NOTE: Factory lies about its return type to make this possible: +# `x: List[int] # = Factory(list)` +# Work around mypy issue #4554 in the common case by using an overload. +if sys.version_info >= (3, 8): + from typing import Literal + + @overload + def Factory(factory: Callable[[], _T]) -> _T: ... + @overload + def Factory( + factory: Callable[[Any], _T], + takes_self: Literal[True], + ) -> _T: ... + @overload + def Factory( + factory: Callable[[], _T], + takes_self: Literal[False], + ) -> _T: ... +else: + @overload + def Factory(factory: Callable[[], _T]) -> _T: ... + @overload + def Factory( + factory: Union[Callable[[Any], _T], Callable[[], _T]], + takes_self: bool = ..., + ) -> _T: ... + +# Static type inference support via __dataclass_transform__ implemented as per: +# https://github.com/microsoft/pyright/blob/1.1.135/specs/dataclass_transforms.md +# This annotation must be applied to all overloads of "define" and "attrs" +# +# NOTE: This is a typing construct and does not exist at runtime. Extensions +# wrapping attrs decorators should declare a separate __dataclass_transform__ +# signature in the extension module using the specification linked above to +# provide pyright support. +def __dataclass_transform__( + *, + eq_default: bool = True, + order_default: bool = False, + kw_only_default: bool = False, + field_descriptors: Tuple[Union[type, Callable[..., Any]], ...] = (()), +) -> Callable[[_T], _T]: ... + +class Attribute(Generic[_T]): + name: str + default: Optional[_T] + validator: Optional[_ValidatorType[_T]] + repr: _ReprArgType + cmp: _EqOrderType + eq: _EqOrderType + order: _EqOrderType + hash: Optional[bool] + init: bool + converter: Optional[_ConverterType] + metadata: Dict[Any, Any] + type: Optional[Type[_T]] + kw_only: bool + on_setattr: _OnSetAttrType + + def evolve(self, **changes: Any) -> "Attribute[Any]": ... + +# NOTE: We had several choices for the annotation to use for type arg: +# 1) Type[_T] +# - Pros: Handles simple cases correctly +# - Cons: Might produce less informative errors in the case of conflicting +# TypeVars e.g. `attr.ib(default='bad', type=int)` +# 2) Callable[..., _T] +# - Pros: Better error messages than #1 for conflicting TypeVars +# - Cons: Terrible error messages for validator checks. +# e.g. attr.ib(type=int, validator=validate_str) +# -> error: Cannot infer function type argument +# 3) type (and do all of the work in the mypy plugin) +# - Pros: Simple here, and we could customize the plugin with our own errors. +# - Cons: Would need to write mypy plugin code to handle all the cases. +# We chose option #1. + +# `attr` lies about its return type to make the following possible: +# attr() -> Any +# attr(8) -> int +# attr(validator=) -> Whatever the callable expects. +# This makes this type of assignments possible: +# x: int = attr(8) +# +# This form catches explicit None or no default but with no other arguments +# returns Any. +@overload +def attrib( + default: None = ..., + validator: None = ..., + repr: _ReprArgType = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + type: None = ..., + converter: None = ..., + factory: None = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> Any: ... + +# This form catches an explicit None or no default and infers the type from the +# other arguments. +@overload +def attrib( + default: None = ..., + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + type: Optional[Type[_T]] = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> _T: ... + +# This form catches an explicit default argument. +@overload +def attrib( + default: _T, + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + type: Optional[Type[_T]] = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> _T: ... + +# This form covers type=non-Type: e.g. forward references (str), Any +@overload +def attrib( + default: Optional[_T] = ..., + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + type: object = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> Any: ... +@overload +def field( + *, + default: None = ..., + validator: None = ..., + repr: _ReprArgType = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + converter: None = ..., + factory: None = ..., + kw_only: bool = ..., + eq: Optional[bool] = ..., + order: Optional[bool] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> Any: ... + +# This form catches an explicit None or no default and infers the type from the +# other arguments. +@overload +def field( + *, + default: None = ..., + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> _T: ... + +# This form catches an explicit default argument. +@overload +def field( + *, + default: _T, + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> _T: ... + +# This form covers type=non-Type: e.g. forward references (str), Any +@overload +def field( + *, + default: Optional[_T] = ..., + validator: Optional[_ValidatorArgType[_T]] = ..., + repr: _ReprArgType = ..., + hash: Optional[bool] = ..., + init: bool = ..., + metadata: Optional[Mapping[Any, Any]] = ..., + converter: Optional[_ConverterType] = ..., + factory: Optional[Callable[[], _T]] = ..., + kw_only: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., +) -> Any: ... +@overload +@__dataclass_transform__(order_default=True, field_descriptors=(attrib, field)) +def attrs( + maybe_cls: _C, + these: Optional[Dict[str, Any]] = ..., + repr_ns: Optional[str] = ..., + repr: bool = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + slots: bool = ..., + frozen: bool = ..., + weakref_slot: bool = ..., + str: bool = ..., + auto_attribs: bool = ..., + kw_only: bool = ..., + cache_hash: bool = ..., + auto_exc: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + auto_detect: bool = ..., + collect_by_mro: bool = ..., + getstate_setstate: Optional[bool] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., + field_transformer: Optional[_FieldTransformer] = ..., +) -> _C: ... +@overload +@__dataclass_transform__(order_default=True, field_descriptors=(attrib, field)) +def attrs( + maybe_cls: None = ..., + these: Optional[Dict[str, Any]] = ..., + repr_ns: Optional[str] = ..., + repr: bool = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + slots: bool = ..., + frozen: bool = ..., + weakref_slot: bool = ..., + str: bool = ..., + auto_attribs: bool = ..., + kw_only: bool = ..., + cache_hash: bool = ..., + auto_exc: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + auto_detect: bool = ..., + collect_by_mro: bool = ..., + getstate_setstate: Optional[bool] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., + field_transformer: Optional[_FieldTransformer] = ..., +) -> Callable[[_C], _C]: ... +@overload +@__dataclass_transform__(field_descriptors=(attrib, field)) +def define( + maybe_cls: _C, + *, + these: Optional[Dict[str, Any]] = ..., + repr: bool = ..., + hash: Optional[bool] = ..., + init: bool = ..., + slots: bool = ..., + frozen: bool = ..., + weakref_slot: bool = ..., + str: bool = ..., + auto_attribs: bool = ..., + kw_only: bool = ..., + cache_hash: bool = ..., + auto_exc: bool = ..., + eq: Optional[bool] = ..., + order: Optional[bool] = ..., + auto_detect: bool = ..., + getstate_setstate: Optional[bool] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., + field_transformer: Optional[_FieldTransformer] = ..., +) -> _C: ... +@overload +@__dataclass_transform__(field_descriptors=(attrib, field)) +def define( + maybe_cls: None = ..., + *, + these: Optional[Dict[str, Any]] = ..., + repr: bool = ..., + hash: Optional[bool] = ..., + init: bool = ..., + slots: bool = ..., + frozen: bool = ..., + weakref_slot: bool = ..., + str: bool = ..., + auto_attribs: bool = ..., + kw_only: bool = ..., + cache_hash: bool = ..., + auto_exc: bool = ..., + eq: Optional[bool] = ..., + order: Optional[bool] = ..., + auto_detect: bool = ..., + getstate_setstate: Optional[bool] = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., + field_transformer: Optional[_FieldTransformer] = ..., +) -> Callable[[_C], _C]: ... + +mutable = define +frozen = define # they differ only in their defaults + +# TODO: add support for returning NamedTuple from the mypy plugin +class _Fields(Tuple[Attribute[Any], ...]): + def __getattr__(self, name: str) -> Attribute[Any]: ... + +def fields(cls: type) -> _Fields: ... +def fields_dict(cls: type) -> Dict[str, Attribute[Any]]: ... +def validate(inst: Any) -> None: ... +def resolve_types( + cls: _C, + globalns: Optional[Dict[str, Any]] = ..., + localns: Optional[Dict[str, Any]] = ..., + attribs: Optional[List[Attribute[Any]]] = ..., +) -> _C: ... + +# TODO: add support for returning a proper attrs class from the mypy plugin +# we use Any instead of _CountingAttr so that e.g. `make_class('Foo', +# [attr.ib()])` is valid +def make_class( + name: str, + attrs: Union[List[str], Tuple[str, ...], Dict[str, Any]], + bases: Tuple[type, ...] = ..., + repr_ns: Optional[str] = ..., + repr: bool = ..., + cmp: Optional[_EqOrderType] = ..., + hash: Optional[bool] = ..., + init: bool = ..., + slots: bool = ..., + frozen: bool = ..., + weakref_slot: bool = ..., + str: bool = ..., + auto_attribs: bool = ..., + kw_only: bool = ..., + cache_hash: bool = ..., + auto_exc: bool = ..., + eq: Optional[_EqOrderType] = ..., + order: Optional[_EqOrderType] = ..., + collect_by_mro: bool = ..., + on_setattr: Optional[_OnSetAttrArgType] = ..., + field_transformer: Optional[_FieldTransformer] = ..., +) -> type: ... + +# _funcs -- + +# TODO: add support for returning TypedDict from the mypy plugin +# FIXME: asdict/astuple do not honor their factory args. Waiting on one of +# these: +# https://github.com/python/mypy/issues/4236 +# https://github.com/python/typing/issues/253 +def asdict( + inst: Any, + recurse: bool = ..., + filter: Optional[_FilterType[Any]] = ..., + dict_factory: Type[Mapping[Any, Any]] = ..., + retain_collection_types: bool = ..., + value_serializer: Optional[Callable[[type, Attribute[Any], Any], Any]] = ..., +) -> Dict[str, Any]: ... + +# TODO: add support for returning NamedTuple from the mypy plugin +def astuple( + inst: Any, + recurse: bool = ..., + filter: Optional[_FilterType[Any]] = ..., + tuple_factory: Type[Sequence[Any]] = ..., + retain_collection_types: bool = ..., +) -> Tuple[Any, ...]: ... +def has(cls: type) -> bool: ... +def assoc(inst: _T, **changes: Any) -> _T: ... +def evolve(inst: _T, **changes: Any) -> _T: ... + +# _config -- + +def set_run_validators(run: bool) -> None: ... +def get_run_validators() -> bool: ... + +# aliases -- + +s = attributes = attrs +ib = attr = attrib +dataclass = attrs # Technically, partial(attrs, auto_attribs=True) ;) diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.py b/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.py new file mode 100644 index 0000000..b747b60 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.py @@ -0,0 +1,152 @@ +from __future__ import absolute_import, division, print_function + +import functools + +from ._compat import new_class +from ._make import _make_ne + + +_operation_names = {"eq": "==", "lt": "<", "le": "<=", "gt": ">", "ge": ">="} + + +def cmp_using( + eq=None, + lt=None, + le=None, + gt=None, + ge=None, + require_same_type=True, + class_name="Comparable", +): + """ + Create a class that can be passed into `attr.ib`'s ``eq``, ``order``, and + ``cmp`` arguments to customize field comparison. + + The resulting class will have a full set of ordering methods if + at least one of ``{lt, le, gt, ge}`` and ``eq`` are provided. + + :param Optional[callable] eq: `callable` used to evaluate equality + of two objects. + :param Optional[callable] lt: `callable` used to evaluate whether + one object is less than another object. + :param Optional[callable] le: `callable` used to evaluate whether + one object is less than or equal to another object. + :param Optional[callable] gt: `callable` used to evaluate whether + one object is greater than another object. + :param Optional[callable] ge: `callable` used to evaluate whether + one object is greater than or equal to another object. + + :param bool require_same_type: When `True`, equality and ordering methods + will return `NotImplemented` if objects are not of the same type. + + :param Optional[str] class_name: Name of class. Defaults to 'Comparable'. + + See `comparison` for more details. + + .. versionadded:: 21.1.0 + """ + + body = { + "__slots__": ["value"], + "__init__": _make_init(), + "_requirements": [], + "_is_comparable_to": _is_comparable_to, + } + + # Add operations. + num_order_functions = 0 + has_eq_function = False + + if eq is not None: + has_eq_function = True + body["__eq__"] = _make_operator("eq", eq) + body["__ne__"] = _make_ne() + + if lt is not None: + num_order_functions += 1 + body["__lt__"] = _make_operator("lt", lt) + + if le is not None: + num_order_functions += 1 + body["__le__"] = _make_operator("le", le) + + if gt is not None: + num_order_functions += 1 + body["__gt__"] = _make_operator("gt", gt) + + if ge is not None: + num_order_functions += 1 + body["__ge__"] = _make_operator("ge", ge) + + type_ = new_class(class_name, (object,), {}, lambda ns: ns.update(body)) + + # Add same type requirement. + if require_same_type: + type_._requirements.append(_check_same_type) + + # Add total ordering if at least one operation was defined. + if 0 < num_order_functions < 4: + if not has_eq_function: + # functools.total_ordering requires __eq__ to be defined, + # so raise early error here to keep a nice stack. + raise ValueError( + "eq must be define is order to complete ordering from " + "lt, le, gt, ge." + ) + type_ = functools.total_ordering(type_) + + return type_ + + +def _make_init(): + """ + Create __init__ method. + """ + + def __init__(self, value): + """ + Initialize object with *value*. + """ + self.value = value + + return __init__ + + +def _make_operator(name, func): + """ + Create operator method. + """ + + def method(self, other): + if not self._is_comparable_to(other): + return NotImplemented + + result = func(self.value, other.value) + if result is NotImplemented: + return NotImplemented + + return result + + method.__name__ = "__%s__" % (name,) + method.__doc__ = "Return a %s b. Computed by attrs." % ( + _operation_names[name], + ) + + return method + + +def _is_comparable_to(self, other): + """ + Check whether `other` is comparable to `self`. + """ + for func in self._requirements: + if not func(self, other): + return False + return True + + +def _check_same_type(self, other): + """ + Return True if *self* and *other* are of the same type, False otherwise. + """ + return other.value.__class__ is self.value.__class__ diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.pyi new file mode 100644 index 0000000..7093550 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_cmp.pyi @@ -0,0 +1,14 @@ +from typing import Type + +from . import _CompareWithType + + +def cmp_using( + eq: Optional[_CompareWithType], + lt: Optional[_CompareWithType], + le: Optional[_CompareWithType], + gt: Optional[_CompareWithType], + ge: Optional[_CompareWithType], + require_same_type: bool, + class_name: str, +) -> Type: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_compat.py b/backend/mb-env/lib/python3.9/site-packages/attr/_compat.py new file mode 100644 index 0000000..6939f33 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_compat.py @@ -0,0 +1,242 @@ +from __future__ import absolute_import, division, print_function + +import platform +import sys +import types +import warnings + + +PY2 = sys.version_info[0] == 2 +PYPY = platform.python_implementation() == "PyPy" + + +if PYPY or sys.version_info[:2] >= (3, 6): + ordered_dict = dict +else: + from collections import OrderedDict + + ordered_dict = OrderedDict + + +if PY2: + from collections import Mapping, Sequence + + from UserDict import IterableUserDict + + # We 'bundle' isclass instead of using inspect as importing inspect is + # fairly expensive (order of 10-15 ms for a modern machine in 2016) + def isclass(klass): + return isinstance(klass, (type, types.ClassType)) + + def new_class(name, bases, kwds, exec_body): + """ + A minimal stub of types.new_class that we need for make_class. + """ + ns = {} + exec_body(ns) + + return type(name, bases, ns) + + # TYPE is used in exceptions, repr(int) is different on Python 2 and 3. + TYPE = "type" + + def iteritems(d): + return d.iteritems() + + # Python 2 is bereft of a read-only dict proxy, so we make one! + class ReadOnlyDict(IterableUserDict): + """ + Best-effort read-only dict wrapper. + """ + + def __setitem__(self, key, val): + # We gently pretend we're a Python 3 mappingproxy. + raise TypeError( + "'mappingproxy' object does not support item assignment" + ) + + def update(self, _): + # We gently pretend we're a Python 3 mappingproxy. + raise AttributeError( + "'mappingproxy' object has no attribute 'update'" + ) + + def __delitem__(self, _): + # We gently pretend we're a Python 3 mappingproxy. + raise TypeError( + "'mappingproxy' object does not support item deletion" + ) + + def clear(self): + # We gently pretend we're a Python 3 mappingproxy. + raise AttributeError( + "'mappingproxy' object has no attribute 'clear'" + ) + + def pop(self, key, default=None): + # We gently pretend we're a Python 3 mappingproxy. + raise AttributeError( + "'mappingproxy' object has no attribute 'pop'" + ) + + def popitem(self): + # We gently pretend we're a Python 3 mappingproxy. + raise AttributeError( + "'mappingproxy' object has no attribute 'popitem'" + ) + + def setdefault(self, key, default=None): + # We gently pretend we're a Python 3 mappingproxy. + raise AttributeError( + "'mappingproxy' object has no attribute 'setdefault'" + ) + + def __repr__(self): + # Override to be identical to the Python 3 version. + return "mappingproxy(" + repr(self.data) + ")" + + def metadata_proxy(d): + res = ReadOnlyDict() + res.data.update(d) # We blocked update, so we have to do it like this. + return res + + def just_warn(*args, **kw): # pragma: no cover + """ + We only warn on Python 3 because we are not aware of any concrete + consequences of not setting the cell on Python 2. + """ + + +else: # Python 3 and later. + from collections.abc import Mapping, Sequence # noqa + + def just_warn(*args, **kw): + """ + We only warn on Python 3 because we are not aware of any concrete + consequences of not setting the cell on Python 2. + """ + warnings.warn( + "Running interpreter doesn't sufficiently support code object " + "introspection. Some features like bare super() or accessing " + "__class__ will not work with slotted classes.", + RuntimeWarning, + stacklevel=2, + ) + + def isclass(klass): + return isinstance(klass, type) + + TYPE = "class" + + def iteritems(d): + return d.items() + + new_class = types.new_class + + def metadata_proxy(d): + return types.MappingProxyType(dict(d)) + + +def make_set_closure_cell(): + """Return a function of two arguments (cell, value) which sets + the value stored in the closure cell `cell` to `value`. + """ + # pypy makes this easy. (It also supports the logic below, but + # why not do the easy/fast thing?) + if PYPY: + + def set_closure_cell(cell, value): + cell.__setstate__((value,)) + + return set_closure_cell + + # Otherwise gotta do it the hard way. + + # Create a function that will set its first cellvar to `value`. + def set_first_cellvar_to(value): + x = value + return + + # This function will be eliminated as dead code, but + # not before its reference to `x` forces `x` to be + # represented as a closure cell rather than a local. + def force_x_to_be_a_cell(): # pragma: no cover + return x + + try: + # Extract the code object and make sure our assumptions about + # the closure behavior are correct. + if PY2: + co = set_first_cellvar_to.func_code + else: + co = set_first_cellvar_to.__code__ + if co.co_cellvars != ("x",) or co.co_freevars != (): + raise AssertionError # pragma: no cover + + # Convert this code object to a code object that sets the + # function's first _freevar_ (not cellvar) to the argument. + if sys.version_info >= (3, 8): + # CPython 3.8+ has an incompatible CodeType signature + # (added a posonlyargcount argument) but also added + # CodeType.replace() to do this without counting parameters. + set_first_freevar_code = co.replace( + co_cellvars=co.co_freevars, co_freevars=co.co_cellvars + ) + else: + args = [co.co_argcount] + if not PY2: + args.append(co.co_kwonlyargcount) + args.extend( + [ + co.co_nlocals, + co.co_stacksize, + co.co_flags, + co.co_code, + co.co_consts, + co.co_names, + co.co_varnames, + co.co_filename, + co.co_name, + co.co_firstlineno, + co.co_lnotab, + # These two arguments are reversed: + co.co_cellvars, + co.co_freevars, + ] + ) + set_first_freevar_code = types.CodeType(*args) + + def set_closure_cell(cell, value): + # Create a function using the set_first_freevar_code, + # whose first closure cell is `cell`. Calling it will + # change the value of that cell. + setter = types.FunctionType( + set_first_freevar_code, {}, "setter", (), (cell,) + ) + # And call it to set the cell. + setter(value) + + # Make sure it works on this interpreter: + def make_func_with_cell(): + x = None + + def func(): + return x # pragma: no cover + + return func + + if PY2: + cell = make_func_with_cell().func_closure[0] + else: + cell = make_func_with_cell().__closure__[0] + set_closure_cell(cell, 100) + if cell.cell_contents != 100: + raise AssertionError # pragma: no cover + + except Exception: + return just_warn + else: + return set_closure_cell + + +set_closure_cell = make_set_closure_cell() diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_config.py b/backend/mb-env/lib/python3.9/site-packages/attr/_config.py new file mode 100644 index 0000000..8ec9209 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_config.py @@ -0,0 +1,23 @@ +from __future__ import absolute_import, division, print_function + + +__all__ = ["set_run_validators", "get_run_validators"] + +_run_validators = True + + +def set_run_validators(run): + """ + Set whether or not validators are run. By default, they are run. + """ + if not isinstance(run, bool): + raise TypeError("'run' must be bool.") + global _run_validators + _run_validators = run + + +def get_run_validators(): + """ + Return whether or not validators are run. + """ + return _run_validators diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_funcs.py b/backend/mb-env/lib/python3.9/site-packages/attr/_funcs.py new file mode 100644 index 0000000..fda508c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_funcs.py @@ -0,0 +1,395 @@ +from __future__ import absolute_import, division, print_function + +import copy + +from ._compat import iteritems +from ._make import NOTHING, _obj_setattr, fields +from .exceptions import AttrsAttributeNotFoundError + + +def asdict( + inst, + recurse=True, + filter=None, + dict_factory=dict, + retain_collection_types=False, + value_serializer=None, +): + """ + Return the ``attrs`` attribute values of *inst* as a dict. + + Optionally recurse into other ``attrs``-decorated classes. + + :param inst: Instance of an ``attrs``-decorated class. + :param bool recurse: Recurse into classes that are also + ``attrs``-decorated. + :param callable filter: A callable whose return code determines whether an + attribute or element is included (``True``) or dropped (``False``). Is + called with the `attr.Attribute` as the first argument and the + value as the second argument. + :param callable dict_factory: A callable to produce dictionaries from. For + example, to produce ordered dictionaries instead of normal Python + dictionaries, pass in ``collections.OrderedDict``. + :param bool retain_collection_types: Do not convert to ``list`` when + encountering an attribute whose type is ``tuple`` or ``set``. Only + meaningful if ``recurse`` is ``True``. + :param Optional[callable] value_serializer: A hook that is called for every + attribute or dict key/value. It receives the current instance, field + and value and must return the (updated) value. The hook is run *after* + the optional *filter* has been applied. + + :rtype: return type of *dict_factory* + + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + .. versionadded:: 16.0.0 *dict_factory* + .. versionadded:: 16.1.0 *retain_collection_types* + .. versionadded:: 20.3.0 *value_serializer* + """ + attrs = fields(inst.__class__) + rv = dict_factory() + for a in attrs: + v = getattr(inst, a.name) + if filter is not None and not filter(a, v): + continue + + if value_serializer is not None: + v = value_serializer(inst, a, v) + + if recurse is True: + if has(v.__class__): + rv[a.name] = asdict( + v, + True, + filter, + dict_factory, + retain_collection_types, + value_serializer, + ) + elif isinstance(v, (tuple, list, set, frozenset)): + cf = v.__class__ if retain_collection_types is True else list + rv[a.name] = cf( + [ + _asdict_anything( + i, + filter, + dict_factory, + retain_collection_types, + value_serializer, + ) + for i in v + ] + ) + elif isinstance(v, dict): + df = dict_factory + rv[a.name] = df( + ( + _asdict_anything( + kk, + filter, + df, + retain_collection_types, + value_serializer, + ), + _asdict_anything( + vv, + filter, + df, + retain_collection_types, + value_serializer, + ), + ) + for kk, vv in iteritems(v) + ) + else: + rv[a.name] = v + else: + rv[a.name] = v + return rv + + +def _asdict_anything( + val, + filter, + dict_factory, + retain_collection_types, + value_serializer, +): + """ + ``asdict`` only works on attrs instances, this works on anything. + """ + if getattr(val.__class__, "__attrs_attrs__", None) is not None: + # Attrs class. + rv = asdict( + val, + True, + filter, + dict_factory, + retain_collection_types, + value_serializer, + ) + elif isinstance(val, (tuple, list, set, frozenset)): + cf = val.__class__ if retain_collection_types is True else list + rv = cf( + [ + _asdict_anything( + i, + filter, + dict_factory, + retain_collection_types, + value_serializer, + ) + for i in val + ] + ) + elif isinstance(val, dict): + df = dict_factory + rv = df( + ( + _asdict_anything( + kk, filter, df, retain_collection_types, value_serializer + ), + _asdict_anything( + vv, filter, df, retain_collection_types, value_serializer + ), + ) + for kk, vv in iteritems(val) + ) + else: + rv = val + if value_serializer is not None: + rv = value_serializer(None, None, rv) + + return rv + + +def astuple( + inst, + recurse=True, + filter=None, + tuple_factory=tuple, + retain_collection_types=False, +): + """ + Return the ``attrs`` attribute values of *inst* as a tuple. + + Optionally recurse into other ``attrs``-decorated classes. + + :param inst: Instance of an ``attrs``-decorated class. + :param bool recurse: Recurse into classes that are also + ``attrs``-decorated. + :param callable filter: A callable whose return code determines whether an + attribute or element is included (``True``) or dropped (``False``). Is + called with the `attr.Attribute` as the first argument and the + value as the second argument. + :param callable tuple_factory: A callable to produce tuples from. For + example, to produce lists instead of tuples. + :param bool retain_collection_types: Do not convert to ``list`` + or ``dict`` when encountering an attribute which type is + ``tuple``, ``dict`` or ``set``. Only meaningful if ``recurse`` is + ``True``. + + :rtype: return type of *tuple_factory* + + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + .. versionadded:: 16.2.0 + """ + attrs = fields(inst.__class__) + rv = [] + retain = retain_collection_types # Very long. :/ + for a in attrs: + v = getattr(inst, a.name) + if filter is not None and not filter(a, v): + continue + if recurse is True: + if has(v.__class__): + rv.append( + astuple( + v, + recurse=True, + filter=filter, + tuple_factory=tuple_factory, + retain_collection_types=retain, + ) + ) + elif isinstance(v, (tuple, list, set, frozenset)): + cf = v.__class__ if retain is True else list + rv.append( + cf( + [ + astuple( + j, + recurse=True, + filter=filter, + tuple_factory=tuple_factory, + retain_collection_types=retain, + ) + if has(j.__class__) + else j + for j in v + ] + ) + ) + elif isinstance(v, dict): + df = v.__class__ if retain is True else dict + rv.append( + df( + ( + astuple( + kk, + tuple_factory=tuple_factory, + retain_collection_types=retain, + ) + if has(kk.__class__) + else kk, + astuple( + vv, + tuple_factory=tuple_factory, + retain_collection_types=retain, + ) + if has(vv.__class__) + else vv, + ) + for kk, vv in iteritems(v) + ) + ) + else: + rv.append(v) + else: + rv.append(v) + + return rv if tuple_factory is list else tuple_factory(rv) + + +def has(cls): + """ + Check whether *cls* is a class with ``attrs`` attributes. + + :param type cls: Class to introspect. + :raise TypeError: If *cls* is not a class. + + :rtype: bool + """ + return getattr(cls, "__attrs_attrs__", None) is not None + + +def assoc(inst, **changes): + """ + Copy *inst* and apply *changes*. + + :param inst: Instance of a class with ``attrs`` attributes. + :param changes: Keyword changes in the new copy. + + :return: A copy of inst with *changes* incorporated. + + :raise attr.exceptions.AttrsAttributeNotFoundError: If *attr_name* couldn't + be found on *cls*. + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + .. deprecated:: 17.1.0 + Use `evolve` instead. + """ + import warnings + + warnings.warn( + "assoc is deprecated and will be removed after 2018/01.", + DeprecationWarning, + stacklevel=2, + ) + new = copy.copy(inst) + attrs = fields(inst.__class__) + for k, v in iteritems(changes): + a = getattr(attrs, k, NOTHING) + if a is NOTHING: + raise AttrsAttributeNotFoundError( + "{k} is not an attrs attribute on {cl}.".format( + k=k, cl=new.__class__ + ) + ) + _obj_setattr(new, k, v) + return new + + +def evolve(inst, **changes): + """ + Create a new instance, based on *inst* with *changes* applied. + + :param inst: Instance of a class with ``attrs`` attributes. + :param changes: Keyword changes in the new copy. + + :return: A copy of inst with *changes* incorporated. + + :raise TypeError: If *attr_name* couldn't be found in the class + ``__init__``. + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + .. versionadded:: 17.1.0 + """ + cls = inst.__class__ + attrs = fields(cls) + for a in attrs: + if not a.init: + continue + attr_name = a.name # To deal with private attributes. + init_name = attr_name if attr_name[0] != "_" else attr_name[1:] + if init_name not in changes: + changes[init_name] = getattr(inst, attr_name) + + return cls(**changes) + + +def resolve_types(cls, globalns=None, localns=None, attribs=None): + """ + Resolve any strings and forward annotations in type annotations. + + This is only required if you need concrete types in `Attribute`'s *type* + field. In other words, you don't need to resolve your types if you only + use them for static type checking. + + With no arguments, names will be looked up in the module in which the class + was created. If this is not what you want, e.g. if the name only exists + inside a method, you may pass *globalns* or *localns* to specify other + dictionaries in which to look up these names. See the docs of + `typing.get_type_hints` for more details. + + :param type cls: Class to resolve. + :param Optional[dict] globalns: Dictionary containing global variables. + :param Optional[dict] localns: Dictionary containing local variables. + :param Optional[list] attribs: List of attribs for the given class. + This is necessary when calling from inside a ``field_transformer`` + since *cls* is not an ``attrs`` class yet. + + :raise TypeError: If *cls* is not a class. + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class and you didn't pass any attribs. + :raise NameError: If types cannot be resolved because of missing variables. + + :returns: *cls* so you can use this function also as a class decorator. + Please note that you have to apply it **after** `attr.s`. That means + the decorator has to come in the line **before** `attr.s`. + + .. versionadded:: 20.1.0 + .. versionadded:: 21.1.0 *attribs* + + """ + try: + # Since calling get_type_hints is expensive we cache whether we've + # done it already. + cls.__attrs_types_resolved__ + except AttributeError: + import typing + + hints = typing.get_type_hints(cls, globalns=globalns, localns=localns) + for field in fields(cls) if attribs is None else attribs: + if field.name in hints: + # Since fields have been frozen we must work around it. + _obj_setattr(field, "type", hints[field.name]) + cls.__attrs_types_resolved__ = True + + # Return the class so you can use it as a decorator too. + return cls diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_make.py b/backend/mb-env/lib/python3.9/site-packages/attr/_make.py new file mode 100644 index 0000000..a1912b1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_make.py @@ -0,0 +1,3052 @@ +from __future__ import absolute_import, division, print_function + +import copy +import inspect +import linecache +import sys +import threading +import uuid +import warnings + +from operator import itemgetter + +from . import _config, setters +from ._compat import ( + PY2, + PYPY, + isclass, + iteritems, + metadata_proxy, + new_class, + ordered_dict, + set_closure_cell, +) +from .exceptions import ( + DefaultAlreadySetError, + FrozenInstanceError, + NotAnAttrsClassError, + PythonTooOldError, + UnannotatedAttributeError, +) + + +if not PY2: + import typing + + +# This is used at least twice, so cache it here. +_obj_setattr = object.__setattr__ +_init_converter_pat = "__attr_converter_%s" +_init_factory_pat = "__attr_factory_{}" +_tuple_property_pat = ( + " {attr_name} = _attrs_property(_attrs_itemgetter({index}))" +) +_classvar_prefixes = ( + "typing.ClassVar", + "t.ClassVar", + "ClassVar", + "typing_extensions.ClassVar", +) +# we don't use a double-underscore prefix because that triggers +# name mangling when trying to create a slot for the field +# (when slots=True) +_hash_cache_field = "_attrs_cached_hash" + +_empty_metadata_singleton = metadata_proxy({}) + +# Unique object for unequivocal getattr() defaults. +_sentinel = object() + + +class _Nothing(object): + """ + Sentinel class to indicate the lack of a value when ``None`` is ambiguous. + + ``_Nothing`` is a singleton. There is only ever one of it. + + .. versionchanged:: 21.1.0 ``bool(NOTHING)`` is now False. + """ + + _singleton = None + + def __new__(cls): + if _Nothing._singleton is None: + _Nothing._singleton = super(_Nothing, cls).__new__(cls) + return _Nothing._singleton + + def __repr__(self): + return "NOTHING" + + def __bool__(self): + return False + + def __len__(self): + return 0 # __bool__ for Python 2 + + +NOTHING = _Nothing() +""" +Sentinel to indicate the lack of a value when ``None`` is ambiguous. +""" + + +class _CacheHashWrapper(int): + """ + An integer subclass that pickles / copies as None + + This is used for non-slots classes with ``cache_hash=True``, to avoid + serializing a potentially (even likely) invalid hash value. Since ``None`` + is the default value for uncalculated hashes, whenever this is copied, + the copy's value for the hash should automatically reset. + + See GH #613 for more details. + """ + + if PY2: + # For some reason `type(None)` isn't callable in Python 2, but we don't + # actually need a constructor for None objects, we just need any + # available function that returns None. + def __reduce__(self, _none_constructor=getattr, _args=(0, "", None)): + return _none_constructor, _args + + else: + + def __reduce__(self, _none_constructor=type(None), _args=()): + return _none_constructor, _args + + +def attrib( + default=NOTHING, + validator=None, + repr=True, + cmp=None, + hash=None, + init=True, + metadata=None, + type=None, + converter=None, + factory=None, + kw_only=False, + eq=None, + order=None, + on_setattr=None, +): + """ + Create a new attribute on a class. + + .. warning:: + + Does *not* do anything unless the class is also decorated with + `attr.s`! + + :param default: A value that is used if an ``attrs``-generated ``__init__`` + is used and no value is passed while instantiating or the attribute is + excluded using ``init=False``. + + If the value is an instance of `Factory`, its callable will be + used to construct a new value (useful for mutable data types like lists + or dicts). + + If a default is not set (or set manually to `attr.NOTHING`), a value + *must* be supplied when instantiating; otherwise a `TypeError` + will be raised. + + The default can also be set using decorator notation as shown below. + + :type default: Any value + + :param callable factory: Syntactic sugar for + ``default=attr.Factory(factory)``. + + :param validator: `callable` that is called by ``attrs``-generated + ``__init__`` methods after the instance has been initialized. They + receive the initialized instance, the `Attribute`, and the + passed value. + + The return value is *not* inspected so the validator has to throw an + exception itself. + + If a `list` is passed, its items are treated as validators and must + all pass. + + Validators can be globally disabled and re-enabled using + `get_run_validators`. + + The validator can also be set using decorator notation as shown below. + + :type validator: `callable` or a `list` of `callable`\\ s. + + :param repr: Include this attribute in the generated ``__repr__`` + method. If ``True``, include the attribute; if ``False``, omit it. By + default, the built-in ``repr()`` function is used. To override how the + attribute value is formatted, pass a ``callable`` that takes a single + value and returns a string. Note that the resulting string is used + as-is, i.e. it will be used directly *instead* of calling ``repr()`` + (the default). + :type repr: a `bool` or a `callable` to use a custom function. + + :param eq: If ``True`` (default), include this attribute in the + generated ``__eq__`` and ``__ne__`` methods that check two instances + for equality. To override how the attribute value is compared, + pass a ``callable`` that takes a single value and returns the value + to be compared. + :type eq: a `bool` or a `callable`. + + :param order: If ``True`` (default), include this attributes in the + generated ``__lt__``, ``__le__``, ``__gt__`` and ``__ge__`` methods. + To override how the attribute value is ordered, + pass a ``callable`` that takes a single value and returns the value + to be ordered. + :type order: a `bool` or a `callable`. + + :param cmp: Setting *cmp* is equivalent to setting *eq* and *order* to the + same value. Must not be mixed with *eq* or *order*. + :type cmp: a `bool` or a `callable`. + + :param Optional[bool] hash: Include this attribute in the generated + ``__hash__`` method. If ``None`` (default), mirror *eq*'s value. This + is the correct behavior according the Python spec. Setting this value + to anything else than ``None`` is *discouraged*. + :param bool init: Include this attribute in the generated ``__init__`` + method. It is possible to set this to ``False`` and set a default + value. In that case this attributed is unconditionally initialized + with the specified default value or factory. + :param callable converter: `callable` that is called by + ``attrs``-generated ``__init__`` methods to convert attribute's value + to the desired format. It is given the passed-in value, and the + returned value will be used as the new value of the attribute. The + value is converted before being passed to the validator, if any. + :param metadata: An arbitrary mapping, to be used by third-party + components. See `extending_metadata`. + :param type: The type of the attribute. In Python 3.6 or greater, the + preferred method to specify the type is using a variable annotation + (see `PEP 526 `_). + This argument is provided for backward compatibility. + Regardless of the approach used, the type will be stored on + ``Attribute.type``. + + Please note that ``attrs`` doesn't do anything with this metadata by + itself. You can use it as part of your own code or for + `static type checking `. + :param kw_only: Make this attribute keyword-only (Python 3+) + in the generated ``__init__`` (if ``init`` is ``False``, this + parameter is ignored). + :param on_setattr: Allows to overwrite the *on_setattr* setting from + `attr.s`. If left `None`, the *on_setattr* value from `attr.s` is used. + Set to `attr.setters.NO_OP` to run **no** `setattr` hooks for this + attribute -- regardless of the setting in `attr.s`. + :type on_setattr: `callable`, or a list of callables, or `None`, or + `attr.setters.NO_OP` + + .. versionadded:: 15.2.0 *convert* + .. versionadded:: 16.3.0 *metadata* + .. versionchanged:: 17.1.0 *validator* can be a ``list`` now. + .. versionchanged:: 17.1.0 + *hash* is ``None`` and therefore mirrors *eq* by default. + .. versionadded:: 17.3.0 *type* + .. deprecated:: 17.4.0 *convert* + .. versionadded:: 17.4.0 *converter* as a replacement for the deprecated + *convert* to achieve consistency with other noun-based arguments. + .. versionadded:: 18.1.0 + ``factory=f`` is syntactic sugar for ``default=attr.Factory(f)``. + .. versionadded:: 18.2.0 *kw_only* + .. versionchanged:: 19.2.0 *convert* keyword argument removed. + .. versionchanged:: 19.2.0 *repr* also accepts a custom callable. + .. deprecated:: 19.2.0 *cmp* Removal on or after 2021-06-01. + .. versionadded:: 19.2.0 *eq* and *order* + .. versionadded:: 20.1.0 *on_setattr* + .. versionchanged:: 20.3.0 *kw_only* backported to Python 2 + .. versionchanged:: 21.1.0 + *eq*, *order*, and *cmp* also accept a custom callable + .. versionchanged:: 21.1.0 *cmp* undeprecated + """ + eq, eq_key, order, order_key = _determine_attrib_eq_order( + cmp, eq, order, True + ) + + if hash is not None and hash is not True and hash is not False: + raise TypeError( + "Invalid value for hash. Must be True, False, or None." + ) + + if factory is not None: + if default is not NOTHING: + raise ValueError( + "The `default` and `factory` arguments are mutually " + "exclusive." + ) + if not callable(factory): + raise ValueError("The `factory` argument must be a callable.") + default = Factory(factory) + + if metadata is None: + metadata = {} + + # Apply syntactic sugar by auto-wrapping. + if isinstance(on_setattr, (list, tuple)): + on_setattr = setters.pipe(*on_setattr) + + if validator and isinstance(validator, (list, tuple)): + validator = and_(*validator) + + if converter and isinstance(converter, (list, tuple)): + converter = pipe(*converter) + + return _CountingAttr( + default=default, + validator=validator, + repr=repr, + cmp=None, + hash=hash, + init=init, + converter=converter, + metadata=metadata, + type=type, + kw_only=kw_only, + eq=eq, + eq_key=eq_key, + order=order, + order_key=order_key, + on_setattr=on_setattr, + ) + + +def _compile_and_eval(script, globs, locs=None, filename=""): + """ + "Exec" the script with the given global (globs) and local (locs) variables. + """ + bytecode = compile(script, filename, "exec") + eval(bytecode, globs, locs) + + +def _make_method(name, script, filename, globs=None): + """ + Create the method with the script given and return the method object. + """ + locs = {} + if globs is None: + globs = {} + + _compile_and_eval(script, globs, locs, filename) + + # In order of debuggers like PDB being able to step through the code, + # we add a fake linecache entry. + linecache.cache[filename] = ( + len(script), + None, + script.splitlines(True), + filename, + ) + + return locs[name] + + +def _make_attr_tuple_class(cls_name, attr_names): + """ + Create a tuple subclass to hold `Attribute`s for an `attrs` class. + + The subclass is a bare tuple with properties for names. + + class MyClassAttributes(tuple): + __slots__ = () + x = property(itemgetter(0)) + """ + attr_class_name = "{}Attributes".format(cls_name) + attr_class_template = [ + "class {}(tuple):".format(attr_class_name), + " __slots__ = ()", + ] + if attr_names: + for i, attr_name in enumerate(attr_names): + attr_class_template.append( + _tuple_property_pat.format(index=i, attr_name=attr_name) + ) + else: + attr_class_template.append(" pass") + globs = {"_attrs_itemgetter": itemgetter, "_attrs_property": property} + _compile_and_eval("\n".join(attr_class_template), globs) + return globs[attr_class_name] + + +# Tuple class for extracted attributes from a class definition. +# `base_attrs` is a subset of `attrs`. +_Attributes = _make_attr_tuple_class( + "_Attributes", + [ + # all attributes to build dunder methods for + "attrs", + # attributes that have been inherited + "base_attrs", + # map inherited attributes to their originating classes + "base_attrs_map", + ], +) + + +def _is_class_var(annot): + """ + Check whether *annot* is a typing.ClassVar. + + The string comparison hack is used to avoid evaluating all string + annotations which would put attrs-based classes at a performance + disadvantage compared to plain old classes. + """ + annot = str(annot) + + # Annotation can be quoted. + if annot.startswith(("'", '"')) and annot.endswith(("'", '"')): + annot = annot[1:-1] + + return annot.startswith(_classvar_prefixes) + + +def _has_own_attribute(cls, attrib_name): + """ + Check whether *cls* defines *attrib_name* (and doesn't just inherit it). + + Requires Python 3. + """ + attr = getattr(cls, attrib_name, _sentinel) + if attr is _sentinel: + return False + + for base_cls in cls.__mro__[1:]: + a = getattr(base_cls, attrib_name, None) + if attr is a: + return False + + return True + + +def _get_annotations(cls): + """ + Get annotations for *cls*. + """ + if _has_own_attribute(cls, "__annotations__"): + return cls.__annotations__ + + return {} + + +def _counter_getter(e): + """ + Key function for sorting to avoid re-creating a lambda for every class. + """ + return e[1].counter + + +def _collect_base_attrs(cls, taken_attr_names): + """ + Collect attr.ibs from base classes of *cls*, except *taken_attr_names*. + """ + base_attrs = [] + base_attr_map = {} # A dictionary of base attrs to their classes. + + # Traverse the MRO and collect attributes. + for base_cls in reversed(cls.__mro__[1:-1]): + for a in getattr(base_cls, "__attrs_attrs__", []): + if a.inherited or a.name in taken_attr_names: + continue + + a = a.evolve(inherited=True) + base_attrs.append(a) + base_attr_map[a.name] = base_cls + + # For each name, only keep the freshest definition i.e. the furthest at the + # back. base_attr_map is fine because it gets overwritten with every new + # instance. + filtered = [] + seen = set() + for a in reversed(base_attrs): + if a.name in seen: + continue + filtered.insert(0, a) + seen.add(a.name) + + return filtered, base_attr_map + + +def _collect_base_attrs_broken(cls, taken_attr_names): + """ + Collect attr.ibs from base classes of *cls*, except *taken_attr_names*. + + N.B. *taken_attr_names* will be mutated. + + Adhere to the old incorrect behavior. + + Notably it collects from the front and considers inherited attributes which + leads to the buggy behavior reported in #428. + """ + base_attrs = [] + base_attr_map = {} # A dictionary of base attrs to their classes. + + # Traverse the MRO and collect attributes. + for base_cls in cls.__mro__[1:-1]: + for a in getattr(base_cls, "__attrs_attrs__", []): + if a.name in taken_attr_names: + continue + + a = a.evolve(inherited=True) + taken_attr_names.add(a.name) + base_attrs.append(a) + base_attr_map[a.name] = base_cls + + return base_attrs, base_attr_map + + +def _transform_attrs( + cls, these, auto_attribs, kw_only, collect_by_mro, field_transformer +): + """ + Transform all `_CountingAttr`s on a class into `Attribute`s. + + If *these* is passed, use that and don't look for them on the class. + + *collect_by_mro* is True, collect them in the correct MRO order, otherwise + use the old -- incorrect -- order. See #428. + + Return an `_Attributes`. + """ + cd = cls.__dict__ + anns = _get_annotations(cls) + + if these is not None: + ca_list = [(name, ca) for name, ca in iteritems(these)] + + if not isinstance(these, ordered_dict): + ca_list.sort(key=_counter_getter) + elif auto_attribs is True: + ca_names = { + name + for name, attr in cd.items() + if isinstance(attr, _CountingAttr) + } + ca_list = [] + annot_names = set() + for attr_name, type in anns.items(): + if _is_class_var(type): + continue + annot_names.add(attr_name) + a = cd.get(attr_name, NOTHING) + + if not isinstance(a, _CountingAttr): + if a is NOTHING: + a = attrib() + else: + a = attrib(default=a) + ca_list.append((attr_name, a)) + + unannotated = ca_names - annot_names + if len(unannotated) > 0: + raise UnannotatedAttributeError( + "The following `attr.ib`s lack a type annotation: " + + ", ".join( + sorted(unannotated, key=lambda n: cd.get(n).counter) + ) + + "." + ) + else: + ca_list = sorted( + ( + (name, attr) + for name, attr in cd.items() + if isinstance(attr, _CountingAttr) + ), + key=lambda e: e[1].counter, + ) + + own_attrs = [ + Attribute.from_counting_attr( + name=attr_name, ca=ca, type=anns.get(attr_name) + ) + for attr_name, ca in ca_list + ] + + if collect_by_mro: + base_attrs, base_attr_map = _collect_base_attrs( + cls, {a.name for a in own_attrs} + ) + else: + base_attrs, base_attr_map = _collect_base_attrs_broken( + cls, {a.name for a in own_attrs} + ) + + attr_names = [a.name for a in base_attrs + own_attrs] + + AttrsClass = _make_attr_tuple_class(cls.__name__, attr_names) + + if kw_only: + own_attrs = [a.evolve(kw_only=True) for a in own_attrs] + base_attrs = [a.evolve(kw_only=True) for a in base_attrs] + + attrs = AttrsClass(base_attrs + own_attrs) + + # Mandatory vs non-mandatory attr order only matters when they are part of + # the __init__ signature and when they aren't kw_only (which are moved to + # the end and can be mandatory or non-mandatory in any order, as they will + # be specified as keyword args anyway). Check the order of those attrs: + had_default = False + for a in (a for a in attrs if a.init is not False and a.kw_only is False): + if had_default is True and a.default is NOTHING: + raise ValueError( + "No mandatory attributes allowed after an attribute with a " + "default value or factory. Attribute in question: %r" % (a,) + ) + + if had_default is False and a.default is not NOTHING: + had_default = True + + if field_transformer is not None: + attrs = field_transformer(cls, attrs) + return _Attributes((attrs, base_attrs, base_attr_map)) + + +if PYPY: + + def _frozen_setattrs(self, name, value): + """ + Attached to frozen classes as __setattr__. + """ + if isinstance(self, BaseException) and name in ( + "__cause__", + "__context__", + ): + BaseException.__setattr__(self, name, value) + return + + raise FrozenInstanceError() + + +else: + + def _frozen_setattrs(self, name, value): + """ + Attached to frozen classes as __setattr__. + """ + raise FrozenInstanceError() + + +def _frozen_delattrs(self, name): + """ + Attached to frozen classes as __delattr__. + """ + raise FrozenInstanceError() + + +class _ClassBuilder(object): + """ + Iteratively build *one* class. + """ + + __slots__ = ( + "_attr_names", + "_attrs", + "_base_attr_map", + "_base_names", + "_cache_hash", + "_cls", + "_cls_dict", + "_delete_attribs", + "_frozen", + "_has_pre_init", + "_has_post_init", + "_is_exc", + "_on_setattr", + "_slots", + "_weakref_slot", + "_has_own_setattr", + "_has_custom_setattr", + ) + + def __init__( + self, + cls, + these, + slots, + frozen, + weakref_slot, + getstate_setstate, + auto_attribs, + kw_only, + cache_hash, + is_exc, + collect_by_mro, + on_setattr, + has_custom_setattr, + field_transformer, + ): + attrs, base_attrs, base_map = _transform_attrs( + cls, + these, + auto_attribs, + kw_only, + collect_by_mro, + field_transformer, + ) + + self._cls = cls + self._cls_dict = dict(cls.__dict__) if slots else {} + self._attrs = attrs + self._base_names = set(a.name for a in base_attrs) + self._base_attr_map = base_map + self._attr_names = tuple(a.name for a in attrs) + self._slots = slots + self._frozen = frozen + self._weakref_slot = weakref_slot + self._cache_hash = cache_hash + self._has_pre_init = bool(getattr(cls, "__attrs_pre_init__", False)) + self._has_post_init = bool(getattr(cls, "__attrs_post_init__", False)) + self._delete_attribs = not bool(these) + self._is_exc = is_exc + self._on_setattr = on_setattr + + self._has_custom_setattr = has_custom_setattr + self._has_own_setattr = False + + self._cls_dict["__attrs_attrs__"] = self._attrs + + if frozen: + self._cls_dict["__setattr__"] = _frozen_setattrs + self._cls_dict["__delattr__"] = _frozen_delattrs + + self._has_own_setattr = True + + if getstate_setstate: + ( + self._cls_dict["__getstate__"], + self._cls_dict["__setstate__"], + ) = self._make_getstate_setstate() + + def __repr__(self): + return "<_ClassBuilder(cls={cls})>".format(cls=self._cls.__name__) + + def build_class(self): + """ + Finalize class based on the accumulated configuration. + + Builder cannot be used after calling this method. + """ + if self._slots is True: + return self._create_slots_class() + else: + return self._patch_original_class() + + def _patch_original_class(self): + """ + Apply accumulated methods and return the class. + """ + cls = self._cls + base_names = self._base_names + + # Clean class of attribute definitions (`attr.ib()`s). + if self._delete_attribs: + for name in self._attr_names: + if ( + name not in base_names + and getattr(cls, name, _sentinel) is not _sentinel + ): + try: + delattr(cls, name) + except AttributeError: + # This can happen if a base class defines a class + # variable and we want to set an attribute with the + # same name by using only a type annotation. + pass + + # Attach our dunder methods. + for name, value in self._cls_dict.items(): + setattr(cls, name, value) + + # If we've inherited an attrs __setattr__ and don't write our own, + # reset it to object's. + if not self._has_own_setattr and getattr( + cls, "__attrs_own_setattr__", False + ): + cls.__attrs_own_setattr__ = False + + if not self._has_custom_setattr: + cls.__setattr__ = object.__setattr__ + + return cls + + def _create_slots_class(self): + """ + Build and return a new class with a `__slots__` attribute. + """ + cd = { + k: v + for k, v in iteritems(self._cls_dict) + if k not in tuple(self._attr_names) + ("__dict__", "__weakref__") + } + + # If our class doesn't have its own implementation of __setattr__ + # (either from the user or by us), check the bases, if one of them has + # an attrs-made __setattr__, that needs to be reset. We don't walk the + # MRO because we only care about our immediate base classes. + # XXX: This can be confused by subclassing a slotted attrs class with + # XXX: a non-attrs class and subclass the resulting class with an attrs + # XXX: class. See `test_slotted_confused` for details. For now that's + # XXX: OK with us. + if not self._has_own_setattr: + cd["__attrs_own_setattr__"] = False + + if not self._has_custom_setattr: + for base_cls in self._cls.__bases__: + if base_cls.__dict__.get("__attrs_own_setattr__", False): + cd["__setattr__"] = object.__setattr__ + break + + # Traverse the MRO to collect existing slots + # and check for an existing __weakref__. + existing_slots = dict() + weakref_inherited = False + for base_cls in self._cls.__mro__[1:-1]: + if base_cls.__dict__.get("__weakref__", None) is not None: + weakref_inherited = True + existing_slots.update( + { + name: getattr(base_cls, name) + for name in getattr(base_cls, "__slots__", []) + } + ) + + base_names = set(self._base_names) + + names = self._attr_names + if ( + self._weakref_slot + and "__weakref__" not in getattr(self._cls, "__slots__", ()) + and "__weakref__" not in names + and not weakref_inherited + ): + names += ("__weakref__",) + + # We only add the names of attributes that aren't inherited. + # Setting __slots__ to inherited attributes wastes memory. + slot_names = [name for name in names if name not in base_names] + # There are slots for attributes from current class + # that are defined in parent classes. + # As their descriptors may be overriden by a child class, + # we collect them here and update the class dict + reused_slots = { + slot: slot_descriptor + for slot, slot_descriptor in iteritems(existing_slots) + if slot in slot_names + } + slot_names = [name for name in slot_names if name not in reused_slots] + cd.update(reused_slots) + if self._cache_hash: + slot_names.append(_hash_cache_field) + cd["__slots__"] = tuple(slot_names) + + qualname = getattr(self._cls, "__qualname__", None) + if qualname is not None: + cd["__qualname__"] = qualname + + # Create new class based on old class and our methods. + cls = type(self._cls)(self._cls.__name__, self._cls.__bases__, cd) + + # The following is a fix for + # https://github.com/python-attrs/attrs/issues/102. On Python 3, + # if a method mentions `__class__` or uses the no-arg super(), the + # compiler will bake a reference to the class in the method itself + # as `method.__closure__`. Since we replace the class with a + # clone, we rewrite these references so it keeps working. + for item in cls.__dict__.values(): + if isinstance(item, (classmethod, staticmethod)): + # Class- and staticmethods hide their functions inside. + # These might need to be rewritten as well. + closure_cells = getattr(item.__func__, "__closure__", None) + elif isinstance(item, property): + # Workaround for property `super()` shortcut (PY3-only). + # There is no universal way for other descriptors. + closure_cells = getattr(item.fget, "__closure__", None) + else: + closure_cells = getattr(item, "__closure__", None) + + if not closure_cells: # Catch None or the empty list. + continue + for cell in closure_cells: + try: + match = cell.cell_contents is self._cls + except ValueError: # ValueError: Cell is empty + pass + else: + if match: + set_closure_cell(cell, cls) + + return cls + + def add_repr(self, ns): + self._cls_dict["__repr__"] = self._add_method_dunders( + _make_repr(self._attrs, ns=ns) + ) + return self + + def add_str(self): + repr = self._cls_dict.get("__repr__") + if repr is None: + raise ValueError( + "__str__ can only be generated if a __repr__ exists." + ) + + def __str__(self): + return self.__repr__() + + self._cls_dict["__str__"] = self._add_method_dunders(__str__) + return self + + def _make_getstate_setstate(self): + """ + Create custom __setstate__ and __getstate__ methods. + """ + # __weakref__ is not writable. + state_attr_names = tuple( + an for an in self._attr_names if an != "__weakref__" + ) + + def slots_getstate(self): + """ + Automatically created by attrs. + """ + return tuple(getattr(self, name) for name in state_attr_names) + + hash_caching_enabled = self._cache_hash + + def slots_setstate(self, state): + """ + Automatically created by attrs. + """ + __bound_setattr = _obj_setattr.__get__(self, Attribute) + for name, value in zip(state_attr_names, state): + __bound_setattr(name, value) + + # The hash code cache is not included when the object is + # serialized, but it still needs to be initialized to None to + # indicate that the first call to __hash__ should be a cache + # miss. + if hash_caching_enabled: + __bound_setattr(_hash_cache_field, None) + + return slots_getstate, slots_setstate + + def make_unhashable(self): + self._cls_dict["__hash__"] = None + return self + + def add_hash(self): + self._cls_dict["__hash__"] = self._add_method_dunders( + _make_hash( + self._cls, + self._attrs, + frozen=self._frozen, + cache_hash=self._cache_hash, + ) + ) + + return self + + def add_init(self): + self._cls_dict["__init__"] = self._add_method_dunders( + _make_init( + self._cls, + self._attrs, + self._has_pre_init, + self._has_post_init, + self._frozen, + self._slots, + self._cache_hash, + self._base_attr_map, + self._is_exc, + self._on_setattr is not None + and self._on_setattr is not setters.NO_OP, + attrs_init=False, + ) + ) + + return self + + def add_attrs_init(self): + self._cls_dict["__attrs_init__"] = self._add_method_dunders( + _make_init( + self._cls, + self._attrs, + self._has_pre_init, + self._has_post_init, + self._frozen, + self._slots, + self._cache_hash, + self._base_attr_map, + self._is_exc, + self._on_setattr is not None + and self._on_setattr is not setters.NO_OP, + attrs_init=True, + ) + ) + + return self + + def add_eq(self): + cd = self._cls_dict + + cd["__eq__"] = self._add_method_dunders( + _make_eq(self._cls, self._attrs) + ) + cd["__ne__"] = self._add_method_dunders(_make_ne()) + + return self + + def add_order(self): + cd = self._cls_dict + + cd["__lt__"], cd["__le__"], cd["__gt__"], cd["__ge__"] = ( + self._add_method_dunders(meth) + for meth in _make_order(self._cls, self._attrs) + ) + + return self + + def add_setattr(self): + if self._frozen: + return self + + sa_attrs = {} + for a in self._attrs: + on_setattr = a.on_setattr or self._on_setattr + if on_setattr and on_setattr is not setters.NO_OP: + sa_attrs[a.name] = a, on_setattr + + if not sa_attrs: + return self + + if self._has_custom_setattr: + # We need to write a __setattr__ but there already is one! + raise ValueError( + "Can't combine custom __setattr__ with on_setattr hooks." + ) + + # docstring comes from _add_method_dunders + def __setattr__(self, name, val): + try: + a, hook = sa_attrs[name] + except KeyError: + nval = val + else: + nval = hook(self, a, val) + + _obj_setattr(self, name, nval) + + self._cls_dict["__attrs_own_setattr__"] = True + self._cls_dict["__setattr__"] = self._add_method_dunders(__setattr__) + self._has_own_setattr = True + + return self + + def _add_method_dunders(self, method): + """ + Add __module__ and __qualname__ to a *method* if possible. + """ + try: + method.__module__ = self._cls.__module__ + except AttributeError: + pass + + try: + method.__qualname__ = ".".join( + (self._cls.__qualname__, method.__name__) + ) + except AttributeError: + pass + + try: + method.__doc__ = "Method generated by attrs for class %s." % ( + self._cls.__qualname__, + ) + except AttributeError: + pass + + return method + + +_CMP_DEPRECATION = ( + "The usage of `cmp` is deprecated and will be removed on or after " + "2021-06-01. Please use `eq` and `order` instead." +) + + +def _determine_attrs_eq_order(cmp, eq, order, default_eq): + """ + Validate the combination of *cmp*, *eq*, and *order*. Derive the effective + values of eq and order. If *eq* is None, set it to *default_eq*. + """ + if cmp is not None and any((eq is not None, order is not None)): + raise ValueError("Don't mix `cmp` with `eq' and `order`.") + + # cmp takes precedence due to bw-compatibility. + if cmp is not None: + return cmp, cmp + + # If left None, equality is set to the specified default and ordering + # mirrors equality. + if eq is None: + eq = default_eq + + if order is None: + order = eq + + if eq is False and order is True: + raise ValueError("`order` can only be True if `eq` is True too.") + + return eq, order + + +def _determine_attrib_eq_order(cmp, eq, order, default_eq): + """ + Validate the combination of *cmp*, *eq*, and *order*. Derive the effective + values of eq and order. If *eq* is None, set it to *default_eq*. + """ + if cmp is not None and any((eq is not None, order is not None)): + raise ValueError("Don't mix `cmp` with `eq' and `order`.") + + def decide_callable_or_boolean(value): + """ + Decide whether a key function is used. + """ + if callable(value): + value, key = True, value + else: + key = None + return value, key + + # cmp takes precedence due to bw-compatibility. + if cmp is not None: + cmp, cmp_key = decide_callable_or_boolean(cmp) + return cmp, cmp_key, cmp, cmp_key + + # If left None, equality is set to the specified default and ordering + # mirrors equality. + if eq is None: + eq, eq_key = default_eq, None + else: + eq, eq_key = decide_callable_or_boolean(eq) + + if order is None: + order, order_key = eq, eq_key + else: + order, order_key = decide_callable_or_boolean(order) + + if eq is False and order is True: + raise ValueError("`order` can only be True if `eq` is True too.") + + return eq, eq_key, order, order_key + + +def _determine_whether_to_implement( + cls, flag, auto_detect, dunders, default=True +): + """ + Check whether we should implement a set of methods for *cls*. + + *flag* is the argument passed into @attr.s like 'init', *auto_detect* the + same as passed into @attr.s and *dunders* is a tuple of attribute names + whose presence signal that the user has implemented it themselves. + + Return *default* if no reason for either for or against is found. + + auto_detect must be False on Python 2. + """ + if flag is True or flag is False: + return flag + + if flag is None and auto_detect is False: + return default + + # Logically, flag is None and auto_detect is True here. + for dunder in dunders: + if _has_own_attribute(cls, dunder): + return False + + return default + + +def attrs( + maybe_cls=None, + these=None, + repr_ns=None, + repr=None, + cmp=None, + hash=None, + init=None, + slots=False, + frozen=False, + weakref_slot=True, + str=False, + auto_attribs=False, + kw_only=False, + cache_hash=False, + auto_exc=False, + eq=None, + order=None, + auto_detect=False, + collect_by_mro=False, + getstate_setstate=None, + on_setattr=None, + field_transformer=None, +): + r""" + A class decorator that adds `dunder + `_\ -methods according to the + specified attributes using `attr.ib` or the *these* argument. + + :param these: A dictionary of name to `attr.ib` mappings. This is + useful to avoid the definition of your attributes within the class body + because you can't (e.g. if you want to add ``__repr__`` methods to + Django models) or don't want to. + + If *these* is not ``None``, ``attrs`` will *not* search the class body + for attributes and will *not* remove any attributes from it. + + If *these* is an ordered dict (`dict` on Python 3.6+, + `collections.OrderedDict` otherwise), the order is deduced from + the order of the attributes inside *these*. Otherwise the order + of the definition of the attributes is used. + + :type these: `dict` of `str` to `attr.ib` + + :param str repr_ns: When using nested classes, there's no way in Python 2 + to automatically detect that. Therefore it's possible to set the + namespace explicitly for a more meaningful ``repr`` output. + :param bool auto_detect: Instead of setting the *init*, *repr*, *eq*, + *order*, and *hash* arguments explicitly, assume they are set to + ``True`` **unless any** of the involved methods for one of the + arguments is implemented in the *current* class (i.e. it is *not* + inherited from some base class). + + So for example by implementing ``__eq__`` on a class yourself, + ``attrs`` will deduce ``eq=False`` and will create *neither* + ``__eq__`` *nor* ``__ne__`` (but Python classes come with a sensible + ``__ne__`` by default, so it *should* be enough to only implement + ``__eq__`` in most cases). + + .. warning:: + + If you prevent ``attrs`` from creating the ordering methods for you + (``order=False``, e.g. by implementing ``__le__``), it becomes + *your* responsibility to make sure its ordering is sound. The best + way is to use the `functools.total_ordering` decorator. + + + Passing ``True`` or ``False`` to *init*, *repr*, *eq*, *order*, + *cmp*, or *hash* overrides whatever *auto_detect* would determine. + + *auto_detect* requires Python 3. Setting it ``True`` on Python 2 raises + a `PythonTooOldError`. + + :param bool repr: Create a ``__repr__`` method with a human readable + representation of ``attrs`` attributes.. + :param bool str: Create a ``__str__`` method that is identical to + ``__repr__``. This is usually not necessary except for + `Exception`\ s. + :param Optional[bool] eq: If ``True`` or ``None`` (default), add ``__eq__`` + and ``__ne__`` methods that check two instances for equality. + + They compare the instances as if they were tuples of their ``attrs`` + attributes if and only if the types of both classes are *identical*! + :param Optional[bool] order: If ``True``, add ``__lt__``, ``__le__``, + ``__gt__``, and ``__ge__`` methods that behave like *eq* above and + allow instances to be ordered. If ``None`` (default) mirror value of + *eq*. + :param Optional[bool] cmp: Setting *cmp* is equivalent to setting *eq* + and *order* to the same value. Must not be mixed with *eq* or *order*. + :param Optional[bool] hash: If ``None`` (default), the ``__hash__`` method + is generated according how *eq* and *frozen* are set. + + 1. If *both* are True, ``attrs`` will generate a ``__hash__`` for you. + 2. If *eq* is True and *frozen* is False, ``__hash__`` will be set to + None, marking it unhashable (which it is). + 3. If *eq* is False, ``__hash__`` will be left untouched meaning the + ``__hash__`` method of the base class will be used (if base class is + ``object``, this means it will fall back to id-based hashing.). + + Although not recommended, you can decide for yourself and force + ``attrs`` to create one (e.g. if the class is immutable even though you + didn't freeze it programmatically) by passing ``True`` or not. Both of + these cases are rather special and should be used carefully. + + See our documentation on `hashing`, Python's documentation on + `object.__hash__`, and the `GitHub issue that led to the default \ + behavior `_ for more + details. + :param bool init: Create a ``__init__`` method that initializes the + ``attrs`` attributes. Leading underscores are stripped for the argument + name. If a ``__attrs_pre_init__`` method exists on the class, it will + be called before the class is initialized. If a ``__attrs_post_init__`` + method exists on the class, it will be called after the class is fully + initialized. + + If ``init`` is ``False``, an ``__attrs_init__`` method will be + injected instead. This allows you to define a custom ``__init__`` + method that can do pre-init work such as ``super().__init__()``, + and then call ``__attrs_init__()`` and ``__attrs_post_init__()``. + :param bool slots: Create a `slotted class ` that's more + memory-efficient. Slotted classes are generally superior to the default + dict classes, but have some gotchas you should know about, so we + encourage you to read the `glossary entry `. + :param bool frozen: Make instances immutable after initialization. If + someone attempts to modify a frozen instance, + `attr.exceptions.FrozenInstanceError` is raised. + + .. note:: + + 1. This is achieved by installing a custom ``__setattr__`` method + on your class, so you can't implement your own. + + 2. True immutability is impossible in Python. + + 3. This *does* have a minor a runtime performance `impact + ` when initializing new instances. In other words: + ``__init__`` is slightly slower with ``frozen=True``. + + 4. If a class is frozen, you cannot modify ``self`` in + ``__attrs_post_init__`` or a self-written ``__init__``. You can + circumvent that limitation by using + ``object.__setattr__(self, "attribute_name", value)``. + + 5. Subclasses of a frozen class are frozen too. + + :param bool weakref_slot: Make instances weak-referenceable. This has no + effect unless ``slots`` is also enabled. + :param bool auto_attribs: If ``True``, collect `PEP 526`_-annotated + attributes (Python 3.6 and later only) from the class body. + + In this case, you **must** annotate every field. If ``attrs`` + encounters a field that is set to an `attr.ib` but lacks a type + annotation, an `attr.exceptions.UnannotatedAttributeError` is + raised. Use ``field_name: typing.Any = attr.ib(...)`` if you don't + want to set a type. + + If you assign a value to those attributes (e.g. ``x: int = 42``), that + value becomes the default value like if it were passed using + ``attr.ib(default=42)``. Passing an instance of `Factory` also + works as expected in most cases (see warning below). + + Attributes annotated as `typing.ClassVar`, and attributes that are + neither annotated nor set to an `attr.ib` are **ignored**. + + .. warning:: + For features that use the attribute name to create decorators (e.g. + `validators `), you still *must* assign `attr.ib` to + them. Otherwise Python will either not find the name or try to use + the default value to call e.g. ``validator`` on it. + + These errors can be quite confusing and probably the most common bug + report on our bug tracker. + + .. _`PEP 526`: https://www.python.org/dev/peps/pep-0526/ + :param bool kw_only: Make all attributes keyword-only (Python 3+) + in the generated ``__init__`` (if ``init`` is ``False``, this + parameter is ignored). + :param bool cache_hash: Ensure that the object's hash code is computed + only once and stored on the object. If this is set to ``True``, + hashing must be either explicitly or implicitly enabled for this + class. If the hash code is cached, avoid any reassignments of + fields involved in hash code computation or mutations of the objects + those fields point to after object creation. If such changes occur, + the behavior of the object's hash code is undefined. + :param bool auto_exc: If the class subclasses `BaseException` + (which implicitly includes any subclass of any exception), the + following happens to behave like a well-behaved Python exceptions + class: + + - the values for *eq*, *order*, and *hash* are ignored and the + instances compare and hash by the instance's ids (N.B. ``attrs`` will + *not* remove existing implementations of ``__hash__`` or the equality + methods. It just won't add own ones.), + - all attributes that are either passed into ``__init__`` or have a + default value are additionally available as a tuple in the ``args`` + attribute, + - the value of *str* is ignored leaving ``__str__`` to base classes. + :param bool collect_by_mro: Setting this to `True` fixes the way ``attrs`` + collects attributes from base classes. The default behavior is + incorrect in certain cases of multiple inheritance. It should be on by + default but is kept off for backward-compatability. + + See issue `#428 `_ for + more details. + + :param Optional[bool] getstate_setstate: + .. note:: + This is usually only interesting for slotted classes and you should + probably just set *auto_detect* to `True`. + + If `True`, ``__getstate__`` and + ``__setstate__`` are generated and attached to the class. This is + necessary for slotted classes to be pickleable. If left `None`, it's + `True` by default for slotted classes and ``False`` for dict classes. + + If *auto_detect* is `True`, and *getstate_setstate* is left `None`, + and **either** ``__getstate__`` or ``__setstate__`` is detected directly + on the class (i.e. not inherited), it is set to `False` (this is usually + what you want). + + :param on_setattr: A callable that is run whenever the user attempts to set + an attribute (either by assignment like ``i.x = 42`` or by using + `setattr` like ``setattr(i, "x", 42)``). It receives the same arguments + as validators: the instance, the attribute that is being modified, and + the new value. + + If no exception is raised, the attribute is set to the return value of + the callable. + + If a list of callables is passed, they're automatically wrapped in an + `attr.setters.pipe`. + + :param Optional[callable] field_transformer: + A function that is called with the original class object and all + fields right before ``attrs`` finalizes the class. You can use + this, e.g., to automatically add converters or validators to + fields based on their types. See `transform-fields` for more details. + + .. versionadded:: 16.0.0 *slots* + .. versionadded:: 16.1.0 *frozen* + .. versionadded:: 16.3.0 *str* + .. versionadded:: 16.3.0 Support for ``__attrs_post_init__``. + .. versionchanged:: 17.1.0 + *hash* supports ``None`` as value which is also the default now. + .. versionadded:: 17.3.0 *auto_attribs* + .. versionchanged:: 18.1.0 + If *these* is passed, no attributes are deleted from the class body. + .. versionchanged:: 18.1.0 If *these* is ordered, the order is retained. + .. versionadded:: 18.2.0 *weakref_slot* + .. deprecated:: 18.2.0 + ``__lt__``, ``__le__``, ``__gt__``, and ``__ge__`` now raise a + `DeprecationWarning` if the classes compared are subclasses of + each other. ``__eq`` and ``__ne__`` never tried to compared subclasses + to each other. + .. versionchanged:: 19.2.0 + ``__lt__``, ``__le__``, ``__gt__``, and ``__ge__`` now do not consider + subclasses comparable anymore. + .. versionadded:: 18.2.0 *kw_only* + .. versionadded:: 18.2.0 *cache_hash* + .. versionadded:: 19.1.0 *auto_exc* + .. deprecated:: 19.2.0 *cmp* Removal on or after 2021-06-01. + .. versionadded:: 19.2.0 *eq* and *order* + .. versionadded:: 20.1.0 *auto_detect* + .. versionadded:: 20.1.0 *collect_by_mro* + .. versionadded:: 20.1.0 *getstate_setstate* + .. versionadded:: 20.1.0 *on_setattr* + .. versionadded:: 20.3.0 *field_transformer* + .. versionchanged:: 21.1.0 + ``init=False`` injects ``__attrs_init__`` + .. versionchanged:: 21.1.0 Support for ``__attrs_pre_init__`` + .. versionchanged:: 21.1.0 *cmp* undeprecated + """ + if auto_detect and PY2: + raise PythonTooOldError( + "auto_detect only works on Python 3 and later." + ) + + eq_, order_ = _determine_attrs_eq_order(cmp, eq, order, None) + hash_ = hash # work around the lack of nonlocal + + if isinstance(on_setattr, (list, tuple)): + on_setattr = setters.pipe(*on_setattr) + + def wrap(cls): + + if getattr(cls, "__class__", None) is None: + raise TypeError("attrs only works with new-style classes.") + + is_frozen = frozen or _has_frozen_base_class(cls) + is_exc = auto_exc is True and issubclass(cls, BaseException) + has_own_setattr = auto_detect and _has_own_attribute( + cls, "__setattr__" + ) + + if has_own_setattr and is_frozen: + raise ValueError("Can't freeze a class with a custom __setattr__.") + + builder = _ClassBuilder( + cls, + these, + slots, + is_frozen, + weakref_slot, + _determine_whether_to_implement( + cls, + getstate_setstate, + auto_detect, + ("__getstate__", "__setstate__"), + default=slots, + ), + auto_attribs, + kw_only, + cache_hash, + is_exc, + collect_by_mro, + on_setattr, + has_own_setattr, + field_transformer, + ) + if _determine_whether_to_implement( + cls, repr, auto_detect, ("__repr__",) + ): + builder.add_repr(repr_ns) + if str is True: + builder.add_str() + + eq = _determine_whether_to_implement( + cls, eq_, auto_detect, ("__eq__", "__ne__") + ) + if not is_exc and eq is True: + builder.add_eq() + if not is_exc and _determine_whether_to_implement( + cls, order_, auto_detect, ("__lt__", "__le__", "__gt__", "__ge__") + ): + builder.add_order() + + builder.add_setattr() + + if ( + hash_ is None + and auto_detect is True + and _has_own_attribute(cls, "__hash__") + ): + hash = False + else: + hash = hash_ + if hash is not True and hash is not False and hash is not None: + # Can't use `hash in` because 1 == True for example. + raise TypeError( + "Invalid value for hash. Must be True, False, or None." + ) + elif hash is False or (hash is None and eq is False) or is_exc: + # Don't do anything. Should fall back to __object__'s __hash__ + # which is by id. + if cache_hash: + raise TypeError( + "Invalid value for cache_hash. To use hash caching," + " hashing must be either explicitly or implicitly " + "enabled." + ) + elif hash is True or ( + hash is None and eq is True and is_frozen is True + ): + # Build a __hash__ if told so, or if it's safe. + builder.add_hash() + else: + # Raise TypeError on attempts to hash. + if cache_hash: + raise TypeError( + "Invalid value for cache_hash. To use hash caching," + " hashing must be either explicitly or implicitly " + "enabled." + ) + builder.make_unhashable() + + if _determine_whether_to_implement( + cls, init, auto_detect, ("__init__",) + ): + builder.add_init() + else: + builder.add_attrs_init() + if cache_hash: + raise TypeError( + "Invalid value for cache_hash. To use hash caching," + " init must be True." + ) + + return builder.build_class() + + # maybe_cls's type depends on the usage of the decorator. It's a class + # if it's used as `@attrs` but ``None`` if used as `@attrs()`. + if maybe_cls is None: + return wrap + else: + return wrap(maybe_cls) + + +_attrs = attrs +""" +Internal alias so we can use it in functions that take an argument called +*attrs*. +""" + + +if PY2: + + def _has_frozen_base_class(cls): + """ + Check whether *cls* has a frozen ancestor by looking at its + __setattr__. + """ + return ( + getattr(cls.__setattr__, "__module__", None) + == _frozen_setattrs.__module__ + and cls.__setattr__.__name__ == _frozen_setattrs.__name__ + ) + + +else: + + def _has_frozen_base_class(cls): + """ + Check whether *cls* has a frozen ancestor by looking at its + __setattr__. + """ + return cls.__setattr__ == _frozen_setattrs + + +def _generate_unique_filename(cls, func_name): + """ + Create a "filename" suitable for a function being generated. + """ + unique_id = uuid.uuid4() + extra = "" + count = 1 + + while True: + unique_filename = "".format( + func_name, + cls.__module__, + getattr(cls, "__qualname__", cls.__name__), + extra, + ) + # To handle concurrency we essentially "reserve" our spot in + # the linecache with a dummy line. The caller can then + # set this value correctly. + cache_line = (1, None, (str(unique_id),), unique_filename) + if ( + linecache.cache.setdefault(unique_filename, cache_line) + == cache_line + ): + return unique_filename + + # Looks like this spot is taken. Try again. + count += 1 + extra = "-{0}".format(count) + + +def _make_hash(cls, attrs, frozen, cache_hash): + attrs = tuple( + a for a in attrs if a.hash is True or (a.hash is None and a.eq is True) + ) + + tab = " " + + unique_filename = _generate_unique_filename(cls, "hash") + type_hash = hash(unique_filename) + + hash_def = "def __hash__(self" + hash_func = "hash((" + closing_braces = "))" + if not cache_hash: + hash_def += "):" + else: + if not PY2: + hash_def += ", *" + + hash_def += ( + ", _cache_wrapper=" + + "__import__('attr._make')._make._CacheHashWrapper):" + ) + hash_func = "_cache_wrapper(" + hash_func + closing_braces += ")" + + method_lines = [hash_def] + + def append_hash_computation_lines(prefix, indent): + """ + Generate the code for actually computing the hash code. + Below this will either be returned directly or used to compute + a value which is then cached, depending on the value of cache_hash + """ + + method_lines.extend( + [ + indent + prefix + hash_func, + indent + " %d," % (type_hash,), + ] + ) + + for a in attrs: + method_lines.append(indent + " self.%s," % a.name) + + method_lines.append(indent + " " + closing_braces) + + if cache_hash: + method_lines.append(tab + "if self.%s is None:" % _hash_cache_field) + if frozen: + append_hash_computation_lines( + "object.__setattr__(self, '%s', " % _hash_cache_field, tab * 2 + ) + method_lines.append(tab * 2 + ")") # close __setattr__ + else: + append_hash_computation_lines( + "self.%s = " % _hash_cache_field, tab * 2 + ) + method_lines.append(tab + "return self.%s" % _hash_cache_field) + else: + append_hash_computation_lines("return ", tab) + + script = "\n".join(method_lines) + return _make_method("__hash__", script, unique_filename) + + +def _add_hash(cls, attrs): + """ + Add a hash method to *cls*. + """ + cls.__hash__ = _make_hash(cls, attrs, frozen=False, cache_hash=False) + return cls + + +def _make_ne(): + """ + Create __ne__ method. + """ + + def __ne__(self, other): + """ + Check equality and either forward a NotImplemented or + return the result negated. + """ + result = self.__eq__(other) + if result is NotImplemented: + return NotImplemented + + return not result + + return __ne__ + + +def _make_eq(cls, attrs): + """ + Create __eq__ method for *cls* with *attrs*. + """ + attrs = [a for a in attrs if a.eq] + + unique_filename = _generate_unique_filename(cls, "eq") + lines = [ + "def __eq__(self, other):", + " if other.__class__ is not self.__class__:", + " return NotImplemented", + ] + + # We can't just do a big self.x = other.x and... clause due to + # irregularities like nan == nan is false but (nan,) == (nan,) is true. + globs = {} + if attrs: + lines.append(" return (") + others = [" ) == ("] + for a in attrs: + if a.eq_key: + cmp_name = "_%s_key" % (a.name,) + # Add the key function to the global namespace + # of the evaluated function. + globs[cmp_name] = a.eq_key + lines.append( + " %s(self.%s)," + % ( + cmp_name, + a.name, + ) + ) + others.append( + " %s(other.%s)," + % ( + cmp_name, + a.name, + ) + ) + else: + lines.append(" self.%s," % (a.name,)) + others.append(" other.%s," % (a.name,)) + + lines += others + [" )"] + else: + lines.append(" return True") + + script = "\n".join(lines) + + return _make_method("__eq__", script, unique_filename, globs) + + +def _make_order(cls, attrs): + """ + Create ordering methods for *cls* with *attrs*. + """ + attrs = [a for a in attrs if a.order] + + def attrs_to_tuple(obj): + """ + Save us some typing. + """ + return tuple( + key(value) if key else value + for value, key in ( + (getattr(obj, a.name), a.order_key) for a in attrs + ) + ) + + def __lt__(self, other): + """ + Automatically created by attrs. + """ + if other.__class__ is self.__class__: + return attrs_to_tuple(self) < attrs_to_tuple(other) + + return NotImplemented + + def __le__(self, other): + """ + Automatically created by attrs. + """ + if other.__class__ is self.__class__: + return attrs_to_tuple(self) <= attrs_to_tuple(other) + + return NotImplemented + + def __gt__(self, other): + """ + Automatically created by attrs. + """ + if other.__class__ is self.__class__: + return attrs_to_tuple(self) > attrs_to_tuple(other) + + return NotImplemented + + def __ge__(self, other): + """ + Automatically created by attrs. + """ + if other.__class__ is self.__class__: + return attrs_to_tuple(self) >= attrs_to_tuple(other) + + return NotImplemented + + return __lt__, __le__, __gt__, __ge__ + + +def _add_eq(cls, attrs=None): + """ + Add equality methods to *cls* with *attrs*. + """ + if attrs is None: + attrs = cls.__attrs_attrs__ + + cls.__eq__ = _make_eq(cls, attrs) + cls.__ne__ = _make_ne() + + return cls + + +_already_repring = threading.local() + + +def _make_repr(attrs, ns): + """ + Make a repr method that includes relevant *attrs*, adding *ns* to the full + name. + """ + + # Figure out which attributes to include, and which function to use to + # format them. The a.repr value can be either bool or a custom callable. + attr_names_with_reprs = tuple( + (a.name, repr if a.repr is True else a.repr) + for a in attrs + if a.repr is not False + ) + + def __repr__(self): + """ + Automatically created by attrs. + """ + try: + working_set = _already_repring.working_set + except AttributeError: + working_set = set() + _already_repring.working_set = working_set + + if id(self) in working_set: + return "..." + real_cls = self.__class__ + if ns is None: + qualname = getattr(real_cls, "__qualname__", None) + if qualname is not None: + class_name = qualname.rsplit(">.", 1)[-1] + else: + class_name = real_cls.__name__ + else: + class_name = ns + "." + real_cls.__name__ + + # Since 'self' remains on the stack (i.e.: strongly referenced) for the + # duration of this call, it's safe to depend on id(...) stability, and + # not need to track the instance and therefore worry about properties + # like weakref- or hash-ability. + working_set.add(id(self)) + try: + result = [class_name, "("] + first = True + for name, attr_repr in attr_names_with_reprs: + if first: + first = False + else: + result.append(", ") + result.extend( + (name, "=", attr_repr(getattr(self, name, NOTHING))) + ) + return "".join(result) + ")" + finally: + working_set.remove(id(self)) + + return __repr__ + + +def _add_repr(cls, ns=None, attrs=None): + """ + Add a repr method to *cls*. + """ + if attrs is None: + attrs = cls.__attrs_attrs__ + + cls.__repr__ = _make_repr(attrs, ns) + return cls + + +def fields(cls): + """ + Return the tuple of ``attrs`` attributes for a class. + + The tuple also allows accessing the fields by their names (see below for + examples). + + :param type cls: Class to introspect. + + :raise TypeError: If *cls* is not a class. + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + :rtype: tuple (with name accessors) of `attr.Attribute` + + .. versionchanged:: 16.2.0 Returned tuple allows accessing the fields + by name. + """ + if not isclass(cls): + raise TypeError("Passed object must be a class.") + attrs = getattr(cls, "__attrs_attrs__", None) + if attrs is None: + raise NotAnAttrsClassError( + "{cls!r} is not an attrs-decorated class.".format(cls=cls) + ) + return attrs + + +def fields_dict(cls): + """ + Return an ordered dictionary of ``attrs`` attributes for a class, whose + keys are the attribute names. + + :param type cls: Class to introspect. + + :raise TypeError: If *cls* is not a class. + :raise attr.exceptions.NotAnAttrsClassError: If *cls* is not an ``attrs`` + class. + + :rtype: an ordered dict where keys are attribute names and values are + `attr.Attribute`\\ s. This will be a `dict` if it's + naturally ordered like on Python 3.6+ or an + :class:`~collections.OrderedDict` otherwise. + + .. versionadded:: 18.1.0 + """ + if not isclass(cls): + raise TypeError("Passed object must be a class.") + attrs = getattr(cls, "__attrs_attrs__", None) + if attrs is None: + raise NotAnAttrsClassError( + "{cls!r} is not an attrs-decorated class.".format(cls=cls) + ) + return ordered_dict(((a.name, a) for a in attrs)) + + +def validate(inst): + """ + Validate all attributes on *inst* that have a validator. + + Leaves all exceptions through. + + :param inst: Instance of a class with ``attrs`` attributes. + """ + if _config._run_validators is False: + return + + for a in fields(inst.__class__): + v = a.validator + if v is not None: + v(inst, a, getattr(inst, a.name)) + + +def _is_slot_cls(cls): + return "__slots__" in cls.__dict__ + + +def _is_slot_attr(a_name, base_attr_map): + """ + Check if the attribute name comes from a slot class. + """ + return a_name in base_attr_map and _is_slot_cls(base_attr_map[a_name]) + + +def _make_init( + cls, + attrs, + pre_init, + post_init, + frozen, + slots, + cache_hash, + base_attr_map, + is_exc, + has_global_on_setattr, + attrs_init, +): + if frozen and has_global_on_setattr: + raise ValueError("Frozen classes can't use on_setattr.") + + needs_cached_setattr = cache_hash or frozen + filtered_attrs = [] + attr_dict = {} + for a in attrs: + if not a.init and a.default is NOTHING: + continue + + filtered_attrs.append(a) + attr_dict[a.name] = a + + if a.on_setattr is not None: + if frozen is True: + raise ValueError("Frozen classes can't use on_setattr.") + + needs_cached_setattr = True + elif ( + has_global_on_setattr and a.on_setattr is not setters.NO_OP + ) or _is_slot_attr(a.name, base_attr_map): + needs_cached_setattr = True + + unique_filename = _generate_unique_filename(cls, "init") + + script, globs, annotations = _attrs_to_init_script( + filtered_attrs, + frozen, + slots, + pre_init, + post_init, + cache_hash, + base_attr_map, + is_exc, + needs_cached_setattr, + has_global_on_setattr, + attrs_init, + ) + if cls.__module__ in sys.modules: + # This makes typing.get_type_hints(CLS.__init__) resolve string types. + globs.update(sys.modules[cls.__module__].__dict__) + + globs.update({"NOTHING": NOTHING, "attr_dict": attr_dict}) + + if needs_cached_setattr: + # Save the lookup overhead in __init__ if we need to circumvent + # setattr hooks. + globs["_cached_setattr"] = _obj_setattr + + init = _make_method( + "__attrs_init__" if attrs_init else "__init__", + script, + unique_filename, + globs, + ) + init.__annotations__ = annotations + + return init + + +def _setattr(attr_name, value_var, has_on_setattr): + """ + Use the cached object.setattr to set *attr_name* to *value_var*. + """ + return "_setattr('%s', %s)" % (attr_name, value_var) + + +def _setattr_with_converter(attr_name, value_var, has_on_setattr): + """ + Use the cached object.setattr to set *attr_name* to *value_var*, but run + its converter first. + """ + return "_setattr('%s', %s(%s))" % ( + attr_name, + _init_converter_pat % (attr_name,), + value_var, + ) + + +def _assign(attr_name, value, has_on_setattr): + """ + Unless *attr_name* has an on_setattr hook, use normal assignment. Otherwise + relegate to _setattr. + """ + if has_on_setattr: + return _setattr(attr_name, value, True) + + return "self.%s = %s" % (attr_name, value) + + +def _assign_with_converter(attr_name, value_var, has_on_setattr): + """ + Unless *attr_name* has an on_setattr hook, use normal assignment after + conversion. Otherwise relegate to _setattr_with_converter. + """ + if has_on_setattr: + return _setattr_with_converter(attr_name, value_var, True) + + return "self.%s = %s(%s)" % ( + attr_name, + _init_converter_pat % (attr_name,), + value_var, + ) + + +if PY2: + + def _unpack_kw_only_py2(attr_name, default=None): + """ + Unpack *attr_name* from _kw_only dict. + """ + if default is not None: + arg_default = ", %s" % default + else: + arg_default = "" + return "%s = _kw_only.pop('%s'%s)" % ( + attr_name, + attr_name, + arg_default, + ) + + def _unpack_kw_only_lines_py2(kw_only_args): + """ + Unpack all *kw_only_args* from _kw_only dict and handle errors. + + Given a list of strings "{attr_name}" and "{attr_name}={default}" + generates list of lines of code that pop attrs from _kw_only dict and + raise TypeError similar to builtin if required attr is missing or + extra key is passed. + + >>> print("\n".join(_unpack_kw_only_lines_py2(["a", "b=42"]))) + try: + a = _kw_only.pop('a') + b = _kw_only.pop('b', 42) + except KeyError as _key_error: + raise TypeError( + ... + if _kw_only: + raise TypeError( + ... + """ + lines = ["try:"] + lines.extend( + " " + _unpack_kw_only_py2(*arg.split("=")) + for arg in kw_only_args + ) + lines += """\ +except KeyError as _key_error: + raise TypeError( + '__init__() missing required keyword-only argument: %s' % _key_error + ) +if _kw_only: + raise TypeError( + '__init__() got an unexpected keyword argument %r' + % next(iter(_kw_only)) + ) +""".split( + "\n" + ) + return lines + + +def _attrs_to_init_script( + attrs, + frozen, + slots, + pre_init, + post_init, + cache_hash, + base_attr_map, + is_exc, + needs_cached_setattr, + has_global_on_setattr, + attrs_init, +): + """ + Return a script of an initializer for *attrs* and a dict of globals. + + The globals are expected by the generated script. + + If *frozen* is True, we cannot set the attributes directly so we use + a cached ``object.__setattr__``. + """ + lines = [] + if pre_init: + lines.append("self.__attrs_pre_init__()") + + if needs_cached_setattr: + lines.append( + # Circumvent the __setattr__ descriptor to save one lookup per + # assignment. + # Note _setattr will be used again below if cache_hash is True + "_setattr = _cached_setattr.__get__(self, self.__class__)" + ) + + if frozen is True: + if slots is True: + fmt_setter = _setattr + fmt_setter_with_converter = _setattr_with_converter + else: + # Dict frozen classes assign directly to __dict__. + # But only if the attribute doesn't come from an ancestor slot + # class. + # Note _inst_dict will be used again below if cache_hash is True + lines.append("_inst_dict = self.__dict__") + + def fmt_setter(attr_name, value_var, has_on_setattr): + if _is_slot_attr(attr_name, base_attr_map): + return _setattr(attr_name, value_var, has_on_setattr) + + return "_inst_dict['%s'] = %s" % (attr_name, value_var) + + def fmt_setter_with_converter( + attr_name, value_var, has_on_setattr + ): + if has_on_setattr or _is_slot_attr(attr_name, base_attr_map): + return _setattr_with_converter( + attr_name, value_var, has_on_setattr + ) + + return "_inst_dict['%s'] = %s(%s)" % ( + attr_name, + _init_converter_pat % (attr_name,), + value_var, + ) + + else: + # Not frozen. + fmt_setter = _assign + fmt_setter_with_converter = _assign_with_converter + + args = [] + kw_only_args = [] + attrs_to_validate = [] + + # This is a dictionary of names to validator and converter callables. + # Injecting this into __init__ globals lets us avoid lookups. + names_for_globals = {} + annotations = {"return": None} + + for a in attrs: + if a.validator: + attrs_to_validate.append(a) + + attr_name = a.name + has_on_setattr = a.on_setattr is not None or ( + a.on_setattr is not setters.NO_OP and has_global_on_setattr + ) + arg_name = a.name.lstrip("_") + + has_factory = isinstance(a.default, Factory) + if has_factory and a.default.takes_self: + maybe_self = "self" + else: + maybe_self = "" + + if a.init is False: + if has_factory: + init_factory_name = _init_factory_pat.format(a.name) + if a.converter is not None: + lines.append( + fmt_setter_with_converter( + attr_name, + init_factory_name + "(%s)" % (maybe_self,), + has_on_setattr, + ) + ) + conv_name = _init_converter_pat % (a.name,) + names_for_globals[conv_name] = a.converter + else: + lines.append( + fmt_setter( + attr_name, + init_factory_name + "(%s)" % (maybe_self,), + has_on_setattr, + ) + ) + names_for_globals[init_factory_name] = a.default.factory + else: + if a.converter is not None: + lines.append( + fmt_setter_with_converter( + attr_name, + "attr_dict['%s'].default" % (attr_name,), + has_on_setattr, + ) + ) + conv_name = _init_converter_pat % (a.name,) + names_for_globals[conv_name] = a.converter + else: + lines.append( + fmt_setter( + attr_name, + "attr_dict['%s'].default" % (attr_name,), + has_on_setattr, + ) + ) + elif a.default is not NOTHING and not has_factory: + arg = "%s=attr_dict['%s'].default" % (arg_name, attr_name) + if a.kw_only: + kw_only_args.append(arg) + else: + args.append(arg) + + if a.converter is not None: + lines.append( + fmt_setter_with_converter( + attr_name, arg_name, has_on_setattr + ) + ) + names_for_globals[ + _init_converter_pat % (a.name,) + ] = a.converter + else: + lines.append(fmt_setter(attr_name, arg_name, has_on_setattr)) + + elif has_factory: + arg = "%s=NOTHING" % (arg_name,) + if a.kw_only: + kw_only_args.append(arg) + else: + args.append(arg) + lines.append("if %s is not NOTHING:" % (arg_name,)) + + init_factory_name = _init_factory_pat.format(a.name) + if a.converter is not None: + lines.append( + " " + + fmt_setter_with_converter( + attr_name, arg_name, has_on_setattr + ) + ) + lines.append("else:") + lines.append( + " " + + fmt_setter_with_converter( + attr_name, + init_factory_name + "(" + maybe_self + ")", + has_on_setattr, + ) + ) + names_for_globals[ + _init_converter_pat % (a.name,) + ] = a.converter + else: + lines.append( + " " + fmt_setter(attr_name, arg_name, has_on_setattr) + ) + lines.append("else:") + lines.append( + " " + + fmt_setter( + attr_name, + init_factory_name + "(" + maybe_self + ")", + has_on_setattr, + ) + ) + names_for_globals[init_factory_name] = a.default.factory + else: + if a.kw_only: + kw_only_args.append(arg_name) + else: + args.append(arg_name) + + if a.converter is not None: + lines.append( + fmt_setter_with_converter( + attr_name, arg_name, has_on_setattr + ) + ) + names_for_globals[ + _init_converter_pat % (a.name,) + ] = a.converter + else: + lines.append(fmt_setter(attr_name, arg_name, has_on_setattr)) + + if a.init is True: + if a.type is not None and a.converter is None: + annotations[arg_name] = a.type + elif a.converter is not None and not PY2: + # Try to get the type from the converter. + sig = None + try: + sig = inspect.signature(a.converter) + except (ValueError, TypeError): # inspect failed + pass + if sig: + sig_params = list(sig.parameters.values()) + if ( + sig_params + and sig_params[0].annotation + is not inspect.Parameter.empty + ): + annotations[arg_name] = sig_params[0].annotation + + if attrs_to_validate: # we can skip this if there are no validators. + names_for_globals["_config"] = _config + lines.append("if _config._run_validators is True:") + for a in attrs_to_validate: + val_name = "__attr_validator_" + a.name + attr_name = "__attr_" + a.name + lines.append( + " %s(self, %s, self.%s)" % (val_name, attr_name, a.name) + ) + names_for_globals[val_name] = a.validator + names_for_globals[attr_name] = a + + if post_init: + lines.append("self.__attrs_post_init__()") + + # because this is set only after __attrs_post_init is called, a crash + # will result if post-init tries to access the hash code. This seemed + # preferable to setting this beforehand, in which case alteration to + # field values during post-init combined with post-init accessing the + # hash code would result in silent bugs. + if cache_hash: + if frozen: + if slots: + # if frozen and slots, then _setattr defined above + init_hash_cache = "_setattr('%s', %s)" + else: + # if frozen and not slots, then _inst_dict defined above + init_hash_cache = "_inst_dict['%s'] = %s" + else: + init_hash_cache = "self.%s = %s" + lines.append(init_hash_cache % (_hash_cache_field, "None")) + + # For exceptions we rely on BaseException.__init__ for proper + # initialization. + if is_exc: + vals = ",".join("self." + a.name for a in attrs if a.init) + + lines.append("BaseException.__init__(self, %s)" % (vals,)) + + args = ", ".join(args) + if kw_only_args: + if PY2: + lines = _unpack_kw_only_lines_py2(kw_only_args) + lines + + args += "%s**_kw_only" % (", " if args else "",) # leading comma + else: + args += "%s*, %s" % ( + ", " if args else "", # leading comma + ", ".join(kw_only_args), # kw_only args + ) + return ( + """\ +def {init_name}(self, {args}): + {lines} +""".format( + init_name=("__attrs_init__" if attrs_init else "__init__"), + args=args, + lines="\n ".join(lines) if lines else "pass", + ), + names_for_globals, + annotations, + ) + + +class Attribute(object): + """ + *Read-only* representation of an attribute. + + Instances of this class are frequently used for introspection purposes + like: + + - `fields` returns a tuple of them. + - Validators get them passed as the first argument. + - The *field transformer* hook receives a list of them. + + :attribute name: The name of the attribute. + :attribute inherited: Whether or not that attribute has been inherited from + a base class. + + Plus *all* arguments of `attr.ib` (except for ``factory`` + which is only syntactic sugar for ``default=Factory(...)``. + + .. versionadded:: 20.1.0 *inherited* + .. versionadded:: 20.1.0 *on_setattr* + .. versionchanged:: 20.2.0 *inherited* is not taken into account for + equality checks and hashing anymore. + .. versionadded:: 21.1.0 *eq_key* and *order_key* + + For the full version history of the fields, see `attr.ib`. + """ + + __slots__ = ( + "name", + "default", + "validator", + "repr", + "eq", + "eq_key", + "order", + "order_key", + "hash", + "init", + "metadata", + "type", + "converter", + "kw_only", + "inherited", + "on_setattr", + ) + + def __init__( + self, + name, + default, + validator, + repr, + cmp, # XXX: unused, remove along with other cmp code. + hash, + init, + inherited, + metadata=None, + type=None, + converter=None, + kw_only=False, + eq=None, + eq_key=None, + order=None, + order_key=None, + on_setattr=None, + ): + eq, eq_key, order, order_key = _determine_attrib_eq_order( + cmp, eq_key or eq, order_key or order, True + ) + + # Cache this descriptor here to speed things up later. + bound_setattr = _obj_setattr.__get__(self, Attribute) + + # Despite the big red warning, people *do* instantiate `Attribute` + # themselves. + bound_setattr("name", name) + bound_setattr("default", default) + bound_setattr("validator", validator) + bound_setattr("repr", repr) + bound_setattr("eq", eq) + bound_setattr("eq_key", eq_key) + bound_setattr("order", order) + bound_setattr("order_key", order_key) + bound_setattr("hash", hash) + bound_setattr("init", init) + bound_setattr("converter", converter) + bound_setattr( + "metadata", + ( + metadata_proxy(metadata) + if metadata + else _empty_metadata_singleton + ), + ) + bound_setattr("type", type) + bound_setattr("kw_only", kw_only) + bound_setattr("inherited", inherited) + bound_setattr("on_setattr", on_setattr) + + def __setattr__(self, name, value): + raise FrozenInstanceError() + + @classmethod + def from_counting_attr(cls, name, ca, type=None): + # type holds the annotated value. deal with conflicts: + if type is None: + type = ca.type + elif ca.type is not None: + raise ValueError( + "Type annotation and type argument cannot both be present" + ) + inst_dict = { + k: getattr(ca, k) + for k in Attribute.__slots__ + if k + not in ( + "name", + "validator", + "default", + "type", + "inherited", + ) # exclude methods and deprecated alias + } + return cls( + name=name, + validator=ca._validator, + default=ca._default, + type=type, + cmp=None, + inherited=False, + **inst_dict + ) + + @property + def cmp(self): + """ + Simulate the presence of a cmp attribute and warn. + """ + warnings.warn(_CMP_DEPRECATION, DeprecationWarning, stacklevel=2) + + return self.eq and self.order + + # Don't use attr.evolve since fields(Attribute) doesn't work + def evolve(self, **changes): + """ + Copy *self* and apply *changes*. + + This works similarly to `attr.evolve` but that function does not work + with ``Attribute``. + + It is mainly meant to be used for `transform-fields`. + + .. versionadded:: 20.3.0 + """ + new = copy.copy(self) + + new._setattrs(changes.items()) + + return new + + # Don't use _add_pickle since fields(Attribute) doesn't work + def __getstate__(self): + """ + Play nice with pickle. + """ + return tuple( + getattr(self, name) if name != "metadata" else dict(self.metadata) + for name in self.__slots__ + ) + + def __setstate__(self, state): + """ + Play nice with pickle. + """ + self._setattrs(zip(self.__slots__, state)) + + def _setattrs(self, name_values_pairs): + bound_setattr = _obj_setattr.__get__(self, Attribute) + for name, value in name_values_pairs: + if name != "metadata": + bound_setattr(name, value) + else: + bound_setattr( + name, + metadata_proxy(value) + if value + else _empty_metadata_singleton, + ) + + +_a = [ + Attribute( + name=name, + default=NOTHING, + validator=None, + repr=True, + cmp=None, + eq=True, + order=False, + hash=(name != "metadata"), + init=True, + inherited=False, + ) + for name in Attribute.__slots__ +] + +Attribute = _add_hash( + _add_eq( + _add_repr(Attribute, attrs=_a), + attrs=[a for a in _a if a.name != "inherited"], + ), + attrs=[a for a in _a if a.hash and a.name != "inherited"], +) + + +class _CountingAttr(object): + """ + Intermediate representation of attributes that uses a counter to preserve + the order in which the attributes have been defined. + + *Internal* data structure of the attrs library. Running into is most + likely the result of a bug like a forgotten `@attr.s` decorator. + """ + + __slots__ = ( + "counter", + "_default", + "repr", + "eq", + "eq_key", + "order", + "order_key", + "hash", + "init", + "metadata", + "_validator", + "converter", + "type", + "kw_only", + "on_setattr", + ) + __attrs_attrs__ = tuple( + Attribute( + name=name, + default=NOTHING, + validator=None, + repr=True, + cmp=None, + hash=True, + init=True, + kw_only=False, + eq=True, + eq_key=None, + order=False, + order_key=None, + inherited=False, + on_setattr=None, + ) + for name in ( + "counter", + "_default", + "repr", + "eq", + "order", + "hash", + "init", + "on_setattr", + ) + ) + ( + Attribute( + name="metadata", + default=None, + validator=None, + repr=True, + cmp=None, + hash=False, + init=True, + kw_only=False, + eq=True, + eq_key=None, + order=False, + order_key=None, + inherited=False, + on_setattr=None, + ), + ) + cls_counter = 0 + + def __init__( + self, + default, + validator, + repr, + cmp, + hash, + init, + converter, + metadata, + type, + kw_only, + eq, + eq_key, + order, + order_key, + on_setattr, + ): + _CountingAttr.cls_counter += 1 + self.counter = _CountingAttr.cls_counter + self._default = default + self._validator = validator + self.converter = converter + self.repr = repr + self.eq = eq + self.eq_key = eq_key + self.order = order + self.order_key = order_key + self.hash = hash + self.init = init + self.metadata = metadata + self.type = type + self.kw_only = kw_only + self.on_setattr = on_setattr + + def validator(self, meth): + """ + Decorator that adds *meth* to the list of validators. + + Returns *meth* unchanged. + + .. versionadded:: 17.1.0 + """ + if self._validator is None: + self._validator = meth + else: + self._validator = and_(self._validator, meth) + return meth + + def default(self, meth): + """ + Decorator that allows to set the default for an attribute. + + Returns *meth* unchanged. + + :raises DefaultAlreadySetError: If default has been set before. + + .. versionadded:: 17.1.0 + """ + if self._default is not NOTHING: + raise DefaultAlreadySetError() + + self._default = Factory(meth, takes_self=True) + + return meth + + +_CountingAttr = _add_eq(_add_repr(_CountingAttr)) + + +class Factory(object): + """ + Stores a factory callable. + + If passed as the default value to `attr.ib`, the factory is used to + generate a new value. + + :param callable factory: A callable that takes either none or exactly one + mandatory positional argument depending on *takes_self*. + :param bool takes_self: Pass the partially initialized instance that is + being initialized as a positional argument. + + .. versionadded:: 17.1.0 *takes_self* + """ + + __slots__ = ("factory", "takes_self") + + def __init__(self, factory, takes_self=False): + """ + `Factory` is part of the default machinery so if we want a default + value here, we have to implement it ourselves. + """ + self.factory = factory + self.takes_self = takes_self + + def __getstate__(self): + """ + Play nice with pickle. + """ + return tuple(getattr(self, name) for name in self.__slots__) + + def __setstate__(self, state): + """ + Play nice with pickle. + """ + for name, value in zip(self.__slots__, state): + setattr(self, name, value) + + +_f = [ + Attribute( + name=name, + default=NOTHING, + validator=None, + repr=True, + cmp=None, + eq=True, + order=False, + hash=True, + init=True, + inherited=False, + ) + for name in Factory.__slots__ +] + +Factory = _add_hash(_add_eq(_add_repr(Factory, attrs=_f), attrs=_f), attrs=_f) + + +def make_class(name, attrs, bases=(object,), **attributes_arguments): + """ + A quick way to create a new class called *name* with *attrs*. + + :param str name: The name for the new class. + + :param attrs: A list of names or a dictionary of mappings of names to + attributes. + + If *attrs* is a list or an ordered dict (`dict` on Python 3.6+, + `collections.OrderedDict` otherwise), the order is deduced from + the order of the names or attributes inside *attrs*. Otherwise the + order of the definition of the attributes is used. + :type attrs: `list` or `dict` + + :param tuple bases: Classes that the new class will subclass. + + :param attributes_arguments: Passed unmodified to `attr.s`. + + :return: A new class with *attrs*. + :rtype: type + + .. versionadded:: 17.1.0 *bases* + .. versionchanged:: 18.1.0 If *attrs* is ordered, the order is retained. + """ + if isinstance(attrs, dict): + cls_dict = attrs + elif isinstance(attrs, (list, tuple)): + cls_dict = dict((a, attrib()) for a in attrs) + else: + raise TypeError("attrs argument must be a dict or a list.") + + pre_init = cls_dict.pop("__attrs_pre_init__", None) + post_init = cls_dict.pop("__attrs_post_init__", None) + user_init = cls_dict.pop("__init__", None) + + body = {} + if pre_init is not None: + body["__attrs_pre_init__"] = pre_init + if post_init is not None: + body["__attrs_post_init__"] = post_init + if user_init is not None: + body["__init__"] = user_init + + type_ = new_class(name, bases, {}, lambda ns: ns.update(body)) + + # For pickling to work, the __module__ variable needs to be set to the + # frame where the class is created. Bypass this step in environments where + # sys._getframe is not defined (Jython for example) or sys._getframe is not + # defined for arguments greater than 0 (IronPython). + try: + type_.__module__ = sys._getframe(1).f_globals.get( + "__name__", "__main__" + ) + except (AttributeError, ValueError): + pass + + # We do it here for proper warnings with meaningful stacklevel. + cmp = attributes_arguments.pop("cmp", None) + ( + attributes_arguments["eq"], + attributes_arguments["order"], + ) = _determine_attrs_eq_order( + cmp, + attributes_arguments.get("eq"), + attributes_arguments.get("order"), + True, + ) + + return _attrs(these=cls_dict, **attributes_arguments)(type_) + + +# These are required by within this module so we define them here and merely +# import into .validators / .converters. + + +@attrs(slots=True, hash=True) +class _AndValidator(object): + """ + Compose many validators to a single one. + """ + + _validators = attrib() + + def __call__(self, inst, attr, value): + for v in self._validators: + v(inst, attr, value) + + +def and_(*validators): + """ + A validator that composes multiple validators into one. + + When called on a value, it runs all wrapped validators. + + :param callables validators: Arbitrary number of validators. + + .. versionadded:: 17.1.0 + """ + vals = [] + for validator in validators: + vals.extend( + validator._validators + if isinstance(validator, _AndValidator) + else [validator] + ) + + return _AndValidator(tuple(vals)) + + +def pipe(*converters): + """ + A converter that composes multiple converters into one. + + When called on a value, it runs all wrapped converters, returning the + *last* value. + + Type annotations will be inferred from the wrapped converters', if + they have any. + + :param callables converters: Arbitrary number of converters. + + .. versionadded:: 20.1.0 + """ + + def pipe_converter(val): + for converter in converters: + val = converter(val) + + return val + + if not PY2: + if not converters: + # If the converter list is empty, pipe_converter is the identity. + A = typing.TypeVar("A") + pipe_converter.__annotations__ = {"val": A, "return": A} + else: + # Get parameter type. + sig = None + try: + sig = inspect.signature(converters[0]) + except (ValueError, TypeError): # inspect failed + pass + if sig: + params = list(sig.parameters.values()) + if ( + params + and params[0].annotation is not inspect.Parameter.empty + ): + pipe_converter.__annotations__["val"] = params[ + 0 + ].annotation + # Get return type. + sig = None + try: + sig = inspect.signature(converters[-1]) + except (ValueError, TypeError): # inspect failed + pass + if sig and sig.return_annotation is not inspect.Signature().empty: + pipe_converter.__annotations__[ + "return" + ] = sig.return_annotation + + return pipe_converter diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_next_gen.py b/backend/mb-env/lib/python3.9/site-packages/attr/_next_gen.py new file mode 100644 index 0000000..fab0af9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_next_gen.py @@ -0,0 +1,158 @@ +""" +These are Python 3.6+-only and keyword-only APIs that call `attr.s` and +`attr.ib` with different default values. +""" + +from functools import partial + +from attr.exceptions import UnannotatedAttributeError + +from . import setters +from ._make import NOTHING, _frozen_setattrs, attrib, attrs + + +def define( + maybe_cls=None, + *, + these=None, + repr=None, + hash=None, + init=None, + slots=True, + frozen=False, + weakref_slot=True, + str=False, + auto_attribs=None, + kw_only=False, + cache_hash=False, + auto_exc=True, + eq=None, + order=False, + auto_detect=True, + getstate_setstate=None, + on_setattr=None, + field_transformer=None, +): + r""" + The only behavioral differences are the handling of the *auto_attribs* + option: + + :param Optional[bool] auto_attribs: If set to `True` or `False`, it behaves + exactly like `attr.s`. If left `None`, `attr.s` will try to guess: + + 1. If any attributes are annotated and no unannotated `attr.ib`\ s + are found, it assumes *auto_attribs=True*. + 2. Otherwise it assumes *auto_attribs=False* and tries to collect + `attr.ib`\ s. + + and that mutable classes (``frozen=False``) validate on ``__setattr__``. + + .. versionadded:: 20.1.0 + """ + + def do_it(cls, auto_attribs): + return attrs( + maybe_cls=cls, + these=these, + repr=repr, + hash=hash, + init=init, + slots=slots, + frozen=frozen, + weakref_slot=weakref_slot, + str=str, + auto_attribs=auto_attribs, + kw_only=kw_only, + cache_hash=cache_hash, + auto_exc=auto_exc, + eq=eq, + order=order, + auto_detect=auto_detect, + collect_by_mro=True, + getstate_setstate=getstate_setstate, + on_setattr=on_setattr, + field_transformer=field_transformer, + ) + + def wrap(cls): + """ + Making this a wrapper ensures this code runs during class creation. + + We also ensure that frozen-ness of classes is inherited. + """ + nonlocal frozen, on_setattr + + had_on_setattr = on_setattr not in (None, setters.NO_OP) + + # By default, mutable classes validate on setattr. + if frozen is False and on_setattr is None: + on_setattr = setters.validate + + # However, if we subclass a frozen class, we inherit the immutability + # and disable on_setattr. + for base_cls in cls.__bases__: + if base_cls.__setattr__ is _frozen_setattrs: + if had_on_setattr: + raise ValueError( + "Frozen classes can't use on_setattr " + "(frozen-ness was inherited)." + ) + + on_setattr = setters.NO_OP + break + + if auto_attribs is not None: + return do_it(cls, auto_attribs) + + try: + return do_it(cls, True) + except UnannotatedAttributeError: + return do_it(cls, False) + + # maybe_cls's type depends on the usage of the decorator. It's a class + # if it's used as `@attrs` but ``None`` if used as `@attrs()`. + if maybe_cls is None: + return wrap + else: + return wrap(maybe_cls) + + +mutable = define +frozen = partial(define, frozen=True, on_setattr=None) + + +def field( + *, + default=NOTHING, + validator=None, + repr=True, + hash=None, + init=True, + metadata=None, + converter=None, + factory=None, + kw_only=False, + eq=None, + order=None, + on_setattr=None, +): + """ + Identical to `attr.ib`, except keyword-only and with some arguments + removed. + + .. versionadded:: 20.1.0 + """ + return attrib( + default=default, + validator=validator, + repr=repr, + hash=hash, + init=init, + metadata=metadata, + converter=converter, + factory=factory, + kw_only=kw_only, + eq=eq, + order=order, + on_setattr=on_setattr, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.py b/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.py new file mode 100644 index 0000000..014e78a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.py @@ -0,0 +1,85 @@ +from __future__ import absolute_import, division, print_function + +from functools import total_ordering + +from ._funcs import astuple +from ._make import attrib, attrs + + +@total_ordering +@attrs(eq=False, order=False, slots=True, frozen=True) +class VersionInfo(object): + """ + A version object that can be compared to tuple of length 1--4: + + >>> attr.VersionInfo(19, 1, 0, "final") <= (19, 2) + True + >>> attr.VersionInfo(19, 1, 0, "final") < (19, 1, 1) + True + >>> vi = attr.VersionInfo(19, 2, 0, "final") + >>> vi < (19, 1, 1) + False + >>> vi < (19,) + False + >>> vi == (19, 2,) + True + >>> vi == (19, 2, 1) + False + + .. versionadded:: 19.2 + """ + + year = attrib(type=int) + minor = attrib(type=int) + micro = attrib(type=int) + releaselevel = attrib(type=str) + + @classmethod + def _from_version_string(cls, s): + """ + Parse *s* and return a _VersionInfo. + """ + v = s.split(".") + if len(v) == 3: + v.append("final") + + return cls( + year=int(v[0]), minor=int(v[1]), micro=int(v[2]), releaselevel=v[3] + ) + + def _ensure_tuple(self, other): + """ + Ensure *other* is a tuple of a valid length. + + Returns a possibly transformed *other* and ourselves as a tuple of + the same length as *other*. + """ + + if self.__class__ is other.__class__: + other = astuple(other) + + if not isinstance(other, tuple): + raise NotImplementedError + + if not (1 <= len(other) <= 4): + raise NotImplementedError + + return astuple(self)[: len(other)], other + + def __eq__(self, other): + try: + us, them = self._ensure_tuple(other) + except NotImplementedError: + return NotImplemented + + return us == them + + def __lt__(self, other): + try: + us, them = self._ensure_tuple(other) + except NotImplementedError: + return NotImplemented + + # Since alphabetically "dev0" < "final" < "post1" < "post2", we don't + # have to do anything special with releaselevel for now. + return us < them diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.pyi new file mode 100644 index 0000000..45ced08 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/_version_info.pyi @@ -0,0 +1,9 @@ +class VersionInfo: + @property + def year(self) -> int: ... + @property + def minor(self) -> int: ... + @property + def micro(self) -> int: ... + @property + def releaselevel(self) -> str: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/converters.py b/backend/mb-env/lib/python3.9/site-packages/attr/converters.py new file mode 100644 index 0000000..2777db6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/converters.py @@ -0,0 +1,111 @@ +""" +Commonly useful converters. +""" + +from __future__ import absolute_import, division, print_function + +from ._compat import PY2 +from ._make import NOTHING, Factory, pipe + + +if not PY2: + import inspect + import typing + + +__all__ = [ + "pipe", + "optional", + "default_if_none", +] + + +def optional(converter): + """ + A converter that allows an attribute to be optional. An optional attribute + is one which can be set to ``None``. + + Type annotations will be inferred from the wrapped converter's, if it + has any. + + :param callable converter: the converter that is used for non-``None`` + values. + + .. versionadded:: 17.1.0 + """ + + def optional_converter(val): + if val is None: + return None + return converter(val) + + if not PY2: + sig = None + try: + sig = inspect.signature(converter) + except (ValueError, TypeError): # inspect failed + pass + if sig: + params = list(sig.parameters.values()) + if params and params[0].annotation is not inspect.Parameter.empty: + optional_converter.__annotations__["val"] = typing.Optional[ + params[0].annotation + ] + if sig.return_annotation is not inspect.Signature.empty: + optional_converter.__annotations__["return"] = typing.Optional[ + sig.return_annotation + ] + + return optional_converter + + +def default_if_none(default=NOTHING, factory=None): + """ + A converter that allows to replace ``None`` values by *default* or the + result of *factory*. + + :param default: Value to be used if ``None`` is passed. Passing an instance + of `attr.Factory` is supported, however the ``takes_self`` option + is *not*. + :param callable factory: A callable that takes no parameters whose result + is used if ``None`` is passed. + + :raises TypeError: If **neither** *default* or *factory* is passed. + :raises TypeError: If **both** *default* and *factory* are passed. + :raises ValueError: If an instance of `attr.Factory` is passed with + ``takes_self=True``. + + .. versionadded:: 18.2.0 + """ + if default is NOTHING and factory is None: + raise TypeError("Must pass either `default` or `factory`.") + + if default is not NOTHING and factory is not None: + raise TypeError( + "Must pass either `default` or `factory` but not both." + ) + + if factory is not None: + default = Factory(factory) + + if isinstance(default, Factory): + if default.takes_self: + raise ValueError( + "`takes_self` is not supported by default_if_none." + ) + + def default_if_none_converter(val): + if val is not None: + return val + + return default.factory() + + else: + + def default_if_none_converter(val): + if val is not None: + return val + + return default + + return default_if_none_converter diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/converters.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/converters.pyi new file mode 100644 index 0000000..84a5759 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/converters.pyi @@ -0,0 +1,13 @@ +from typing import Callable, Optional, TypeVar, overload + +from . import _ConverterType + + +_T = TypeVar("_T") + +def pipe(*validators: _ConverterType) -> _ConverterType: ... +def optional(converter: _ConverterType) -> _ConverterType: ... +@overload +def default_if_none(default: _T) -> _ConverterType: ... +@overload +def default_if_none(*, factory: Callable[[], _T]) -> _ConverterType: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.py new file mode 100644 index 0000000..f6f9861 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.py @@ -0,0 +1,92 @@ +from __future__ import absolute_import, division, print_function + + +class FrozenError(AttributeError): + """ + A frozen/immutable instance or attribute have been attempted to be + modified. + + It mirrors the behavior of ``namedtuples`` by using the same error message + and subclassing `AttributeError`. + + .. versionadded:: 20.1.0 + """ + + msg = "can't set attribute" + args = [msg] + + +class FrozenInstanceError(FrozenError): + """ + A frozen instance has been attempted to be modified. + + .. versionadded:: 16.1.0 + """ + + +class FrozenAttributeError(FrozenError): + """ + A frozen attribute has been attempted to be modified. + + .. versionadded:: 20.1.0 + """ + + +class AttrsAttributeNotFoundError(ValueError): + """ + An ``attrs`` function couldn't find an attribute that the user asked for. + + .. versionadded:: 16.2.0 + """ + + +class NotAnAttrsClassError(ValueError): + """ + A non-``attrs`` class has been passed into an ``attrs`` function. + + .. versionadded:: 16.2.0 + """ + + +class DefaultAlreadySetError(RuntimeError): + """ + A default has been set using ``attr.ib()`` and is attempted to be reset + using the decorator. + + .. versionadded:: 17.1.0 + """ + + +class UnannotatedAttributeError(RuntimeError): + """ + A class with ``auto_attribs=True`` has an ``attr.ib()`` without a type + annotation. + + .. versionadded:: 17.3.0 + """ + + +class PythonTooOldError(RuntimeError): + """ + It was attempted to use an ``attrs`` feature that requires a newer Python + version. + + .. versionadded:: 18.2.0 + """ + + +class NotCallableError(TypeError): + """ + A ``attr.ib()`` requiring a callable has been set with a value + that is not callable. + + .. versionadded:: 19.2.0 + """ + + def __init__(self, msg, value): + super(TypeError, self).__init__(msg, value) + self.msg = msg + self.value = value + + def __str__(self): + return str(self.msg) diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.pyi new file mode 100644 index 0000000..a800fb2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/exceptions.pyi @@ -0,0 +1,18 @@ +from typing import Any + + +class FrozenError(AttributeError): + msg: str = ... + +class FrozenInstanceError(FrozenError): ... +class FrozenAttributeError(FrozenError): ... +class AttrsAttributeNotFoundError(ValueError): ... +class NotAnAttrsClassError(ValueError): ... +class DefaultAlreadySetError(RuntimeError): ... +class UnannotatedAttributeError(RuntimeError): ... +class PythonTooOldError(RuntimeError): ... + +class NotCallableError(TypeError): + msg: str = ... + value: Any = ... + def __init__(self, msg: str, value: Any) -> None: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/filters.py b/backend/mb-env/lib/python3.9/site-packages/attr/filters.py new file mode 100644 index 0000000..dc47e8f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/filters.py @@ -0,0 +1,52 @@ +""" +Commonly useful filters for `attr.asdict`. +""" + +from __future__ import absolute_import, division, print_function + +from ._compat import isclass +from ._make import Attribute + + +def _split_what(what): + """ + Returns a tuple of `frozenset`s of classes and attributes. + """ + return ( + frozenset(cls for cls in what if isclass(cls)), + frozenset(cls for cls in what if isinstance(cls, Attribute)), + ) + + +def include(*what): + """ + Whitelist *what*. + + :param what: What to whitelist. + :type what: `list` of `type` or `attr.Attribute`\\ s + + :rtype: `callable` + """ + cls, attrs = _split_what(what) + + def include_(attribute, value): + return value.__class__ in cls or attribute in attrs + + return include_ + + +def exclude(*what): + """ + Blacklist *what*. + + :param what: What to blacklist. + :type what: `list` of classes or `attr.Attribute`\\ s. + + :rtype: `callable` + """ + cls, attrs = _split_what(what) + + def exclude_(attribute, value): + return value.__class__ not in cls and attribute not in attrs + + return exclude_ diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/filters.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/filters.pyi new file mode 100644 index 0000000..f7b63f1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/filters.pyi @@ -0,0 +1,7 @@ +from typing import Any, Union + +from . import Attribute, _FilterType + + +def include(*what: Union[type, Attribute[Any]]) -> _FilterType[Any]: ... +def exclude(*what: Union[type, Attribute[Any]]) -> _FilterType[Any]: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/py.typed b/backend/mb-env/lib/python3.9/site-packages/attr/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/setters.py b/backend/mb-env/lib/python3.9/site-packages/attr/setters.py new file mode 100644 index 0000000..240014b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/setters.py @@ -0,0 +1,77 @@ +""" +Commonly used hooks for on_setattr. +""" + +from __future__ import absolute_import, division, print_function + +from . import _config +from .exceptions import FrozenAttributeError + + +def pipe(*setters): + """ + Run all *setters* and return the return value of the last one. + + .. versionadded:: 20.1.0 + """ + + def wrapped_pipe(instance, attrib, new_value): + rv = new_value + + for setter in setters: + rv = setter(instance, attrib, rv) + + return rv + + return wrapped_pipe + + +def frozen(_, __, ___): + """ + Prevent an attribute to be modified. + + .. versionadded:: 20.1.0 + """ + raise FrozenAttributeError() + + +def validate(instance, attrib, new_value): + """ + Run *attrib*'s validator on *new_value* if it has one. + + .. versionadded:: 20.1.0 + """ + if _config._run_validators is False: + return new_value + + v = attrib.validator + if not v: + return new_value + + v(instance, attrib, new_value) + + return new_value + + +def convert(instance, attrib, new_value): + """ + Run *attrib*'s converter -- if it has one -- on *new_value* and return the + result. + + .. versionadded:: 20.1.0 + """ + c = attrib.converter + if c: + return c(new_value) + + return new_value + + +NO_OP = object() +""" +Sentinel for disabling class-wide *on_setattr* hooks for certain attributes. + +Does not work in `pipe` or within lists. + +.. versionadded:: 20.1.0 +""" diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/setters.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/setters.pyi new file mode 100644 index 0000000..a921e07 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/setters.pyi @@ -0,0 +1,20 @@ +from typing import Any, NewType, NoReturn, TypeVar, cast + +from . import Attribute, _OnSetAttrType + + +_T = TypeVar("_T") + +def frozen( + instance: Any, attribute: Attribute[Any], new_value: Any +) -> NoReturn: ... +def pipe(*setters: _OnSetAttrType) -> _OnSetAttrType: ... +def validate(instance: Any, attribute: Attribute[_T], new_value: _T) -> _T: ... + +# convert is allowed to return Any, because they can be chained using pipe. +def convert( + instance: Any, attribute: Attribute[Any], new_value: Any +) -> Any: ... + +_NoOpType = NewType("_NoOpType", object) +NO_OP: _NoOpType diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/validators.py b/backend/mb-env/lib/python3.9/site-packages/attr/validators.py new file mode 100644 index 0000000..b9a7305 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/validators.py @@ -0,0 +1,379 @@ +""" +Commonly useful validators. +""" + +from __future__ import absolute_import, division, print_function + +import re + +from ._make import _AndValidator, and_, attrib, attrs +from .exceptions import NotCallableError + + +__all__ = [ + "and_", + "deep_iterable", + "deep_mapping", + "in_", + "instance_of", + "is_callable", + "matches_re", + "optional", + "provides", +] + + +@attrs(repr=False, slots=True, hash=True) +class _InstanceOfValidator(object): + type = attrib() + + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if not isinstance(value, self.type): + raise TypeError( + "'{name}' must be {type!r} (got {value!r} that is a " + "{actual!r}).".format( + name=attr.name, + type=self.type, + actual=value.__class__, + value=value, + ), + attr, + self.type, + value, + ) + + def __repr__(self): + return "".format( + type=self.type + ) + + +def instance_of(type): + """ + A validator that raises a `TypeError` if the initializer is called + with a wrong type for this particular attribute (checks are performed using + `isinstance` therefore it's also valid to pass a tuple of types). + + :param type: The type to check for. + :type type: type or tuple of types + + :raises TypeError: With a human readable error message, the attribute + (of type `attr.Attribute`), the expected type, and the value it + got. + """ + return _InstanceOfValidator(type) + + +@attrs(repr=False, frozen=True, slots=True) +class _MatchesReValidator(object): + regex = attrib() + flags = attrib() + match_func = attrib() + + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if not self.match_func(value): + raise ValueError( + "'{name}' must match regex {regex!r}" + " ({value!r} doesn't)".format( + name=attr.name, regex=self.regex.pattern, value=value + ), + attr, + self.regex, + value, + ) + + def __repr__(self): + return "".format( + regex=self.regex + ) + + +def matches_re(regex, flags=0, func=None): + r""" + A validator that raises `ValueError` if the initializer is called + with a string that doesn't match *regex*. + + :param str regex: a regex string to match against + :param int flags: flags that will be passed to the underlying re function + (default 0) + :param callable func: which underlying `re` function to call (options + are `re.fullmatch`, `re.search`, `re.match`, default + is ``None`` which means either `re.fullmatch` or an emulation of + it on Python 2). For performance reasons, they won't be used directly + but on a pre-`re.compile`\ ed pattern. + + .. versionadded:: 19.2.0 + """ + fullmatch = getattr(re, "fullmatch", None) + valid_funcs = (fullmatch, None, re.search, re.match) + if func not in valid_funcs: + raise ValueError( + "'func' must be one of %s." + % ( + ", ".join( + sorted( + e and e.__name__ or "None" for e in set(valid_funcs) + ) + ), + ) + ) + + pattern = re.compile(regex, flags) + if func is re.match: + match_func = pattern.match + elif func is re.search: + match_func = pattern.search + else: + if fullmatch: + match_func = pattern.fullmatch + else: + pattern = re.compile(r"(?:{})\Z".format(regex), flags) + match_func = pattern.match + + return _MatchesReValidator(pattern, flags, match_func) + + +@attrs(repr=False, slots=True, hash=True) +class _ProvidesValidator(object): + interface = attrib() + + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if not self.interface.providedBy(value): + raise TypeError( + "'{name}' must provide {interface!r} which {value!r} " + "doesn't.".format( + name=attr.name, interface=self.interface, value=value + ), + attr, + self.interface, + value, + ) + + def __repr__(self): + return "".format( + interface=self.interface + ) + + +def provides(interface): + """ + A validator that raises a `TypeError` if the initializer is called + with an object that does not provide the requested *interface* (checks are + performed using ``interface.providedBy(value)`` (see `zope.interface + `_). + + :param interface: The interface to check for. + :type interface: ``zope.interface.Interface`` + + :raises TypeError: With a human readable error message, the attribute + (of type `attr.Attribute`), the expected interface, and the + value it got. + """ + return _ProvidesValidator(interface) + + +@attrs(repr=False, slots=True, hash=True) +class _OptionalValidator(object): + validator = attrib() + + def __call__(self, inst, attr, value): + if value is None: + return + + self.validator(inst, attr, value) + + def __repr__(self): + return "".format( + what=repr(self.validator) + ) + + +def optional(validator): + """ + A validator that makes an attribute optional. An optional attribute is one + which can be set to ``None`` in addition to satisfying the requirements of + the sub-validator. + + :param validator: A validator (or a list of validators) that is used for + non-``None`` values. + :type validator: callable or `list` of callables. + + .. versionadded:: 15.1.0 + .. versionchanged:: 17.1.0 *validator* can be a list of validators. + """ + if isinstance(validator, list): + return _OptionalValidator(_AndValidator(validator)) + return _OptionalValidator(validator) + + +@attrs(repr=False, slots=True, hash=True) +class _InValidator(object): + options = attrib() + + def __call__(self, inst, attr, value): + try: + in_options = value in self.options + except TypeError: # e.g. `1 in "abc"` + in_options = False + + if not in_options: + raise ValueError( + "'{name}' must be in {options!r} (got {value!r})".format( + name=attr.name, options=self.options, value=value + ) + ) + + def __repr__(self): + return "".format( + options=self.options + ) + + +def in_(options): + """ + A validator that raises a `ValueError` if the initializer is called + with a value that does not belong in the options provided. The check is + performed using ``value in options``. + + :param options: Allowed options. + :type options: list, tuple, `enum.Enum`, ... + + :raises ValueError: With a human readable error message, the attribute (of + type `attr.Attribute`), the expected options, and the value it + got. + + .. versionadded:: 17.1.0 + """ + return _InValidator(options) + + +@attrs(repr=False, slots=False, hash=True) +class _IsCallableValidator(object): + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if not callable(value): + message = ( + "'{name}' must be callable " + "(got {value!r} that is a {actual!r})." + ) + raise NotCallableError( + msg=message.format( + name=attr.name, value=value, actual=value.__class__ + ), + value=value, + ) + + def __repr__(self): + return "" + + +def is_callable(): + """ + A validator that raises a `attr.exceptions.NotCallableError` if the + initializer is called with a value for this particular attribute + that is not callable. + + .. versionadded:: 19.1.0 + + :raises `attr.exceptions.NotCallableError`: With a human readable error + message containing the attribute (`attr.Attribute`) name, + and the value it got. + """ + return _IsCallableValidator() + + +@attrs(repr=False, slots=True, hash=True) +class _DeepIterable(object): + member_validator = attrib(validator=is_callable()) + iterable_validator = attrib( + default=None, validator=optional(is_callable()) + ) + + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if self.iterable_validator is not None: + self.iterable_validator(inst, attr, value) + + for member in value: + self.member_validator(inst, attr, member) + + def __repr__(self): + iterable_identifier = ( + "" + if self.iterable_validator is None + else " {iterable!r}".format(iterable=self.iterable_validator) + ) + return ( + "" + ).format( + iterable_identifier=iterable_identifier, + member=self.member_validator, + ) + + +def deep_iterable(member_validator, iterable_validator=None): + """ + A validator that performs deep validation of an iterable. + + :param member_validator: Validator to apply to iterable members + :param iterable_validator: Validator to apply to iterable itself + (optional) + + .. versionadded:: 19.1.0 + + :raises TypeError: if any sub-validators fail + """ + return _DeepIterable(member_validator, iterable_validator) + + +@attrs(repr=False, slots=True, hash=True) +class _DeepMapping(object): + key_validator = attrib(validator=is_callable()) + value_validator = attrib(validator=is_callable()) + mapping_validator = attrib(default=None, validator=optional(is_callable())) + + def __call__(self, inst, attr, value): + """ + We use a callable class to be able to change the ``__repr__``. + """ + if self.mapping_validator is not None: + self.mapping_validator(inst, attr, value) + + for key in value: + self.key_validator(inst, attr, key) + self.value_validator(inst, attr, value[key]) + + def __repr__(self): + return ( + "" + ).format(key=self.key_validator, value=self.value_validator) + + +def deep_mapping(key_validator, value_validator, mapping_validator=None): + """ + A validator that performs deep validation of a dictionary. + + :param key_validator: Validator to apply to dictionary keys + :param value_validator: Validator to apply to dictionary values + :param mapping_validator: Validator to apply to top-level mapping + attribute (optional) + + .. versionadded:: 19.1.0 + + :raises TypeError: if any sub-validators fail + """ + return _DeepMapping(key_validator, value_validator, mapping_validator) diff --git a/backend/mb-env/lib/python3.9/site-packages/attr/validators.pyi b/backend/mb-env/lib/python3.9/site-packages/attr/validators.pyi new file mode 100644 index 0000000..fe92aac --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attr/validators.pyi @@ -0,0 +1,68 @@ +from typing import ( + Any, + AnyStr, + Callable, + Container, + Iterable, + List, + Mapping, + Match, + Optional, + Tuple, + Type, + TypeVar, + Union, + overload, +) + +from . import _ValidatorType + + +_T = TypeVar("_T") +_T1 = TypeVar("_T1") +_T2 = TypeVar("_T2") +_T3 = TypeVar("_T3") +_I = TypeVar("_I", bound=Iterable) +_K = TypeVar("_K") +_V = TypeVar("_V") +_M = TypeVar("_M", bound=Mapping) + +# To be more precise on instance_of use some overloads. +# If there are more than 3 items in the tuple then we fall back to Any +@overload +def instance_of(type: Type[_T]) -> _ValidatorType[_T]: ... +@overload +def instance_of(type: Tuple[Type[_T]]) -> _ValidatorType[_T]: ... +@overload +def instance_of( + type: Tuple[Type[_T1], Type[_T2]] +) -> _ValidatorType[Union[_T1, _T2]]: ... +@overload +def instance_of( + type: Tuple[Type[_T1], Type[_T2], Type[_T3]] +) -> _ValidatorType[Union[_T1, _T2, _T3]]: ... +@overload +def instance_of(type: Tuple[type, ...]) -> _ValidatorType[Any]: ... +def provides(interface: Any) -> _ValidatorType[Any]: ... +def optional( + validator: Union[_ValidatorType[_T], List[_ValidatorType[_T]]] +) -> _ValidatorType[Optional[_T]]: ... +def in_(options: Container[_T]) -> _ValidatorType[_T]: ... +def and_(*validators: _ValidatorType[_T]) -> _ValidatorType[_T]: ... +def matches_re( + regex: AnyStr, + flags: int = ..., + func: Optional[ + Callable[[AnyStr, AnyStr, int], Optional[Match[AnyStr]]] + ] = ..., +) -> _ValidatorType[AnyStr]: ... +def deep_iterable( + member_validator: _ValidatorType[_T], + iterable_validator: Optional[_ValidatorType[_I]] = ..., +) -> _ValidatorType[_I]: ... +def deep_mapping( + key_validator: _ValidatorType[_K], + value_validator: _ValidatorType[_V], + mapping_validator: Optional[_ValidatorType[_M]] = ..., +) -> _ValidatorType[_M]: ... +def is_callable() -> _ValidatorType[_T]: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/AUTHORS.rst b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/AUTHORS.rst new file mode 100644 index 0000000..f14ef6c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/AUTHORS.rst @@ -0,0 +1,11 @@ +Credits +======= + +``attrs`` is written and maintained by `Hynek Schlawack `_. + +The development is kindly supported by `Variomedia AG `_. + +A full list of contributors can be found in `GitHub's overview `_. + +It’s the spiritual successor of `characteristic `_ and aspires to fix some of it clunkiness and unfortunate decisions. +Both were inspired by Twisted’s `FancyEqMixin `_ but both are implemented using class decorators because `subclassing is bad for you `_, m’kay? diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/LICENSE new file mode 100644 index 0000000..7ae3df9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2015 Hynek Schlawack + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/METADATA new file mode 100644 index 0000000..ceca5b9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/METADATA @@ -0,0 +1,211 @@ +Metadata-Version: 2.1 +Name: attrs +Version: 21.2.0 +Summary: Classes Without Boilerplate +Home-page: https://www.attrs.org/ +Author: Hynek Schlawack +Author-email: hs@ox.cx +Maintainer: Hynek Schlawack +Maintainer-email: hs@ox.cx +License: MIT +Project-URL: Documentation, https://www.attrs.org/ +Project-URL: Changelog, https://www.attrs.org/en/stable/changelog.html +Project-URL: Bug Tracker, https://github.com/python-attrs/attrs/issues +Project-URL: Source Code, https://github.com/python-attrs/attrs +Project-URL: Funding, https://github.com/sponsors/hynek +Project-URL: Tidelift, https://tidelift.com/subscription/pkg/pypi-attrs?utm_source=pypi-attrs&utm_medium=pypi +Project-URL: Ko-fi, https://ko-fi.com/the_hynek +Keywords: class,attribute,boilerplate +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Natural Language :: English +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.* +Description-Content-Type: text/x-rst +Provides-Extra: dev +Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'dev' +Requires-Dist: hypothesis ; extra == 'dev' +Requires-Dist: pympler ; extra == 'dev' +Requires-Dist: pytest (>=4.3.0) ; extra == 'dev' +Requires-Dist: six ; extra == 'dev' +Requires-Dist: mypy ; extra == 'dev' +Requires-Dist: pytest-mypy-plugins ; extra == 'dev' +Requires-Dist: zope.interface ; extra == 'dev' +Requires-Dist: furo ; extra == 'dev' +Requires-Dist: sphinx ; extra == 'dev' +Requires-Dist: sphinx-notfound-page ; extra == 'dev' +Requires-Dist: pre-commit ; extra == 'dev' +Provides-Extra: docs +Requires-Dist: furo ; extra == 'docs' +Requires-Dist: sphinx ; extra == 'docs' +Requires-Dist: zope.interface ; extra == 'docs' +Requires-Dist: sphinx-notfound-page ; extra == 'docs' +Provides-Extra: tests +Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'tests' +Requires-Dist: hypothesis ; extra == 'tests' +Requires-Dist: pympler ; extra == 'tests' +Requires-Dist: pytest (>=4.3.0) ; extra == 'tests' +Requires-Dist: six ; extra == 'tests' +Requires-Dist: mypy ; extra == 'tests' +Requires-Dist: pytest-mypy-plugins ; extra == 'tests' +Requires-Dist: zope.interface ; extra == 'tests' +Provides-Extra: tests_no_zope +Requires-Dist: coverage[toml] (>=5.0.2) ; extra == 'tests_no_zope' +Requires-Dist: hypothesis ; extra == 'tests_no_zope' +Requires-Dist: pympler ; extra == 'tests_no_zope' +Requires-Dist: pytest (>=4.3.0) ; extra == 'tests_no_zope' +Requires-Dist: six ; extra == 'tests_no_zope' +Requires-Dist: mypy ; extra == 'tests_no_zope' +Requires-Dist: pytest-mypy-plugins ; extra == 'tests_no_zope' + +====================================== +``attrs``: Classes Without Boilerplate +====================================== + + +``attrs`` is the Python package that will bring back the **joy** of **writing classes** by relieving you from the drudgery of implementing object protocols (aka `dunder `_ methods). +`Trusted by NASA `_ for Mars missions since 2020! + +Its main goal is to help you to write **concise** and **correct** software without slowing down your code. + +.. teaser-end + +For that, it gives you a class decorator and a way to declaratively define the attributes on that class: + +.. -code-begin- + +.. code-block:: pycon + + >>> import attr + + >>> @attr.s + ... class SomeClass(object): + ... a_number = attr.ib(default=42) + ... list_of_numbers = attr.ib(factory=list) + ... + ... def hard_math(self, another_number): + ... return self.a_number + sum(self.list_of_numbers) * another_number + + + >>> sc = SomeClass(1, [1, 2, 3]) + >>> sc + SomeClass(a_number=1, list_of_numbers=[1, 2, 3]) + + >>> sc.hard_math(3) + 19 + >>> sc == SomeClass(1, [1, 2, 3]) + True + >>> sc != SomeClass(2, [3, 2, 1]) + True + + >>> attr.asdict(sc) + {'a_number': 1, 'list_of_numbers': [1, 2, 3]} + + >>> SomeClass() + SomeClass(a_number=42, list_of_numbers=[]) + + >>> C = attr.make_class("C", ["a", "b"]) + >>> C("foo", "bar") + C(a='foo', b='bar') + + +After *declaring* your attributes ``attrs`` gives you: + +- a concise and explicit overview of the class's attributes, +- a nice human-readable ``__repr__``, +- a complete set of comparison methods (equality and ordering), +- an initializer, +- and much more, + +*without* writing dull boilerplate code again and again and *without* runtime performance penalties. + +On Python 3.6 and later, you can often even drop the calls to ``attr.ib()`` by using `type annotations `_. + +This gives you the power to use actual classes with actual types in your code instead of confusing ``tuple``\ s or `confusingly behaving `_ ``namedtuple``\ s. +Which in turn encourages you to write *small classes* that do `one thing well `_. +Never again violate the `single responsibility principle `_ just because implementing ``__init__`` et al is a painful drag. + + +.. -getting-help- + +Getting Help +============ + +Please use the ``python-attrs`` tag on `StackOverflow `_ to get help. + +Answering questions of your fellow developers is also a great way to help the project! + + +.. -project-information- + +Project Information +=================== + +``attrs`` is released under the `MIT `_ license, +its documentation lives at `Read the Docs `_, +the code on `GitHub `_, +and the latest release on `PyPI `_. +It’s rigorously tested on Python 2.7, 3.5+, and PyPy. + +We collect information on **third-party extensions** in our `wiki `_. +Feel free to browse and add your own! + +If you'd like to contribute to ``attrs`` you're most welcome and we've written `a little guide `_ to get you started! + + +``attrs`` for Enterprise +------------------------ + +Available as part of the Tidelift Subscription. + +The maintainers of ``attrs`` and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source packages you use to build your applications. +Save time, reduce risk, and improve code health, while paying the maintainers of the exact packages you use. +`Learn more. `_ + + +Release Information +=================== + +21.2.0 (2021-05-07) +------------------- + +Backward-incompatible Changes +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +- We had to revert the recursive feature for ``attr.evolve()`` because it broke some use-cases -- sorry! + `#806 `_ +- Python 3.4 is now blocked using packaging metadata because ``attrs`` can't be imported on it anymore. + To ensure that 3.4 users can keep installing ``attrs`` easily, we will `yank `_ 21.1.0 from PyPI. + This has **no** consequences if you pin ``attrs`` to 21.1.0. + `#807 `_ + +`Full changelog `_. + +Credits +======= + +``attrs`` is written and maintained by `Hynek Schlawack `_. + +The development is kindly supported by `Variomedia AG `_. + +A full list of contributors can be found in `GitHub's overview `_. + +It’s the spiritual successor of `characteristic `_ and aspires to fix some of it clunkiness and unfortunate decisions. +Both were inspired by Twisted’s `FancyEqMixin `_ but both are implemented using class decorators because `subclassing is bad for you `_, m’kay? + + diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/RECORD new file mode 100644 index 0000000..35a58e7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/RECORD @@ -0,0 +1,43 @@ +attr/__init__.py,sha256=OlF8DYZfrT1KFU6VKHkW4ia76ntgvvaqBbsNf8j6Woc,1613 +attr/__init__.pyi,sha256=bNx5qLa3MBtgaf9P5OP2uwuv0xbS7HUrEfLlkrAsrr8,14837 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a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/WHEEL new file mode 100644 index 0000000..01b8fc7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/top_level.txt new file mode 100644 index 0000000..66a062d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/attrs-21.2.0.dist-info/top_level.txt @@ -0,0 +1 @@ +attr diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/AUTHORS.rst b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/AUTHORS.rst new file mode 100644 index 0000000..e2781e4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/AUTHORS.rst @@ -0,0 +1,48 @@ +Main contributors +----------------- +- Hideo Hattori (https://github.com/hhatto) +- Steven Myint (https://github.com/myint) +- Bill Wendling (https://github.com/gwelymernans) + +Patches +------- +- Fraser Tweedale (https://github.com/frasertweedale) +- clach04 (https://github.com/clach04) +- Marc Abramowitz (https://github.com/msabramo) +- dellis23 (https://github.com/dellis23) +- Sam Vilain (https://github.com/samv) +- Florent Xicluna (https://github.com/florentx) +- Andras Tim (https://github.com/andras-tim) +- tomscytale (https://github.com/tomscytale) +- Filip Noetzel (https://github.com/peritus) +- Erik Bray (https://github.com/iguananaut) +- Christopher Medrela (https://github.com/chrismedrela) +- 小明 (https://github.com/dongweiming) +- Andy Hayden (https://github.com/hayd) +- Fabio Zadrozny (https://github.com/fabioz) +- Alex Chernetz (https://github.com/achernet) +- Marc Schlaich (https://github.com/schlamar) +- E. M. Bray (https://github.com/embray) +- Thomas Hisch (https://github.com/thisch) +- Florian Best (https://github.com/spaceone) +- Ian Clark (https://github.com/evenicoulddoit) +- Khairi Hafsham (https://github.com/khairihafsham) +- Neil Halelamien (https://github.com/neilsh) +- Hashem Nasarat (https://github.com/Hnasar) +- Hugo van Kemenade (https://github.com/hugovk) +- gmbnomis (https://github.com/gmbnomis) +- Samuel Lelièvre (https://github.com/slel) +- bigredengineer (https://github.com/bigredengineer) +- Kai Chen (https://github.com/kx-chen) +- Anthony Sottile (https://github.com/asottile) +- 秋葉 (https://github.com/Hanaasagi) +- Christian Clauss (https://github.com/cclauss) +- tobixx (https://github.com/tobixx) +- bigredengineer (https://github.com/bigredengineer) +- Bastien Gérard (https://github.com/bagerard) +- nicolasbonifas (https://github.com/nicolasbonifas) +- Andrii Yurchuk (https://github.com/Ch00k) +- José M. Guisado (https://github.com/pvxe) +- Dai Truong (https://github.com/NovaDev94) +- jnozsc (https://github.com/jnozsc) +- Edwin Shepherd (https://github.com/shardros) diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/LICENSE new file mode 100644 index 0000000..df9738f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/LICENSE @@ -0,0 +1,23 @@ +Copyright (C) 2010-2011 Hideo Hattori +Copyright (C) 2011-2013 Hideo Hattori, Steven Myint +Copyright (C) 2013-2016 Hideo Hattori, Steven Myint, Bill Wendling + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/METADATA new file mode 100644 index 0000000..4cbb366 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/METADATA @@ -0,0 +1,458 @@ +Metadata-Version: 2.1 +Name: autopep8 +Version: 1.6.0 +Summary: A tool that automatically formats Python code to conform to the PEP 8 style guide +Home-page: https://github.com/hhatto/autopep8 +Author: Hideo Hattori +Author-email: hhatto.jp@gmail.com +License: Expat License +Keywords: automation,pep8,format,pycodestyle +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Console +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Software Development :: Quality Assurance +Requires-Dist: pycodestyle (>=2.8.0) +Requires-Dist: toml + +======== +autopep8 +======== + +.. image:: https://img.shields.io/pypi/v/autopep8.svg + :target: https://pypi.org/project/autopep8/ + :alt: PyPI Version + +.. image:: https://github.com/hhatto/autopep8/workflows/Python%20package/badge.svg + :target: https://github.com/hhatto/autopep8/actions + :alt: Build status + +.. image:: https://codecov.io/gh/hhatto/autopep8/branch/master/graph/badge.svg + :target: https://codecov.io/gh/hhatto/autopep8 + :alt: Code Coverage + +autopep8 automatically formats Python code to conform to the `PEP 8`_ style +guide. It uses the pycodestyle_ utility to determine what parts of the code +needs to be formatted. autopep8 is capable of fixing most of the formatting +issues_ that can be reported by pycodestyle. + +.. _PEP 8: https://www.python.org/dev/peps/pep-0008/ +.. _issues: https://pycodestyle.readthedocs.org/en/latest/intro.html#error-codes + +.. contents:: + + +Installation +============ + +From pip:: + + $ pip install --upgrade autopep8 + +Consider using the ``--user`` option_. + +.. _option: https://pip.pypa.io/en/latest/user_guide/#user-installs + + +Requirements +============ + +autopep8 requires pycodestyle_. + +.. _pycodestyle: https://github.com/PyCQA/pycodestyle + + +Usage +===== + +To modify a file in place (with aggressive level 2):: + + $ autopep8 --in-place --aggressive --aggressive + +Before running autopep8. + +.. code-block:: python + + import math, sys; + + def example1(): + ####This is a long comment. This should be wrapped to fit within 72 characters. + some_tuple=( 1,2, 3,'a' ); + some_variable={'long':'Long code lines should be wrapped within 79 characters.', + 'other':[math.pi, 100,200,300,9876543210,'This is a long string that goes on'], + 'more':{'inner':'This whole logical line should be wrapped.',some_tuple:[1, + 20,300,40000,500000000,60000000000000000]}} + return (some_tuple, some_variable) + def example2(): return {'has_key() is deprecated':True}.has_key({'f':2}.has_key('')); + class Example3( object ): + def __init__ ( self, bar ): + #Comments should have a space after the hash. + if bar : bar+=1; bar=bar* bar ; return bar + else: + some_string = """ + Indentation in multiline strings should not be touched. + Only actual code should be reindented. + """ + return (sys.path, some_string) + +After running autopep8. + +.. code-block:: python + + import math + import sys + + + def example1(): + # This is a long comment. This should be wrapped to fit within 72 + # characters. + some_tuple = (1, 2, 3, 'a') + some_variable = { + 'long': 'Long code lines should be wrapped within 79 characters.', + 'other': [ + math.pi, + 100, + 200, + 300, + 9876543210, + 'This is a long string that goes on'], + 'more': { + 'inner': 'This whole logical line should be wrapped.', + some_tuple: [ + 1, + 20, + 300, + 40000, + 500000000, + 60000000000000000]}} + return (some_tuple, some_variable) + + + def example2(): return ('' in {'f': 2}) in {'has_key() is deprecated': True} + + + class Example3(object): + def __init__(self, bar): + # Comments should have a space after the hash. + if bar: + bar += 1 + bar = bar * bar + return bar + else: + some_string = """ + Indentation in multiline strings should not be touched. + Only actual code should be reindented. + """ + return (sys.path, some_string) + +Options:: + + usage: autopep8 [-h] [--version] [-v] [-d] [-i] [--global-config filename] + [--ignore-local-config] [-r] [-j n] [-p n] [-a] + [--experimental] [--exclude globs] [--list-fixes] + [--ignore errors] [--select errors] [--max-line-length n] + [--line-range line line] [--hang-closing] [--exit-code] + [files [files ...]] + + Automatically formats Python code to conform to the PEP 8 style guide. + + positional arguments: + files files to format or '-' for standard in + + optional arguments: + -h, --help show this help message and exit + --version show program's version number and exit + -v, --verbose print verbose messages; multiple -v result in more + verbose messages + -d, --diff print the diff for the fixed source + -i, --in-place make changes to files in place + --global-config filename + path to a global pep8 config file; if this file does + not exist then this is ignored (default: + ~/.config/pep8) + --ignore-local-config + don't look for and apply local config files; if not + passed, defaults are updated with any config files in + the project's root directory + -r, --recursive run recursively over directories; must be used with + --in-place or --diff + -j n, --jobs n number of parallel jobs; match CPU count if value is + less than 1 + -p n, --pep8-passes n + maximum number of additional pep8 passes (default: + infinite) + -a, --aggressive enable non-whitespace changes; multiple -a result in + more aggressive changes + --experimental enable experimental fixes + --exclude globs exclude file/directory names that match these comma- + separated globs + --list-fixes list codes for fixes; used by --ignore and --select + --ignore errors do not fix these errors/warnings (default: + E226,E24,W50,W690) + --select errors fix only these errors/warnings (e.g. E4,W) + --max-line-length n set maximum allowed line length (default: 79) + --line-range line line, --range line line + only fix errors found within this inclusive range of + line numbers (e.g. 1 99); line numbers are indexed at + 1 + --hang-closing hang-closing option passed to pycodestyle + --exit-code change to behavior of exit code. default behavior of + return value, 0 is no differences, 1 is error exit. + return 2 when add this option. 2 is exists + differences. + + +Features +======== + +autopep8 fixes the following issues_ reported by pycodestyle_:: + + E101 - Reindent all lines. + E11 - Fix indentation. + E121 - Fix indentation to be a multiple of four. + E122 - Add absent indentation for hanging indentation. + E123 - Align closing bracket to match opening bracket. + E124 - Align closing bracket to match visual indentation. + E125 - Indent to distinguish line from next logical line. + E126 - Fix over-indented hanging indentation. + E127 - Fix visual indentation. + E128 - Fix visual indentation. + E129 - Fix visual indentation. + E131 - Fix hanging indent for unaligned continuation line. + E133 - Fix missing indentation for closing bracket. + E20 - Remove extraneous whitespace. + E211 - Remove extraneous whitespace. + E22 - Fix extraneous whitespace around keywords. + E224 - Remove extraneous whitespace around operator. + E225 - Fix missing whitespace around operator. + E226 - Fix missing whitespace around arithmetic operator. + E227 - Fix missing whitespace around bitwise/shift operator. + E228 - Fix missing whitespace around modulo operator. + E231 - Add missing whitespace. + E241 - Fix extraneous whitespace around keywords. + E242 - Remove extraneous whitespace around operator. + E251 - Remove whitespace around parameter '=' sign. + E252 - Missing whitespace around parameter equals. + E26 - Fix spacing after comment hash for inline comments. + E265 - Fix spacing after comment hash for block comments. + E266 - Fix too many leading '#' for block comments. + E27 - Fix extraneous whitespace around keywords. + E301 - Add missing blank line. + E302 - Add missing 2 blank lines. + E303 - Remove extra blank lines. + E304 - Remove blank line following function decorator. + E305 - Expected 2 blank lines after end of function or class. + E306 - Expected 1 blank line before a nested definition. + E401 - Put imports on separate lines. + E402 - Fix module level import not at top of file + E501 - Try to make lines fit within --max-line-length characters. + E502 - Remove extraneous escape of newline. + E701 - Put colon-separated compound statement on separate lines. + E70 - Put semicolon-separated compound statement on separate lines. + E711 - Fix comparison with None. + E712 - Fix comparison with boolean. + E713 - Use 'not in' for test for membership. + E714 - Use 'is not' test for object identity. + E721 - Use "isinstance()" instead of comparing types directly. + E722 - Fix bare except. + E731 - Use a def when use do not assign a lambda expression. + W291 - Remove trailing whitespace. + W292 - Add a single newline at the end of the file. + W293 - Remove trailing whitespace on blank line. + W391 - Remove trailing blank lines. + W503 - Fix line break before binary operator. + W504 - Fix line break after binary operator. + W601 - Use "in" rather than "has_key()". + W602 - Fix deprecated form of raising exception. + W603 - Use "!=" instead of "<>" + W604 - Use "repr()" instead of backticks. + W605 - Fix invalid escape sequence 'x'. + W690 - Fix various deprecated code (via lib2to3). + +autopep8 also fixes some issues not found by pycodestyle_. + +- Correct deprecated or non-idiomatic Python code (via ``lib2to3``). Use this + for making Python 2.7 code more compatible with Python 3. (This is triggered + if ``W690`` is enabled.) +- Normalize files with mixed line endings. +- Put a blank line between a class docstring and its first method + declaration. (Enabled with ``E301``.) +- Remove blank lines between a function declaration and its docstring. (Enabled + with ``E303``.) + +autopep8 avoids fixing some issues found by pycodestyle_. + +- ``E112``/``E113`` for non comments are reports of bad indentation that break + syntax rules. These should not be modified at all. +- ``E265``, which refers to spacing after comment hash, is ignored if the + comment looks like code. autopep8 avoids modifying these since they are not + real comments. If you really want to get rid of the pycodestyle_ warning, + consider just removing the commented-out code. (This can be automated via + eradicate_.) + +.. _eradicate: https://github.com/myint/eradicate + + +More advanced usage +=================== + +By default autopep8 only makes whitespace changes. Thus, by default, it does +not fix ``E711`` and ``E712``. (Changing ``x == None`` to ``x is None`` may +change the meaning of the program if ``x`` has its ``__eq__`` method +overridden.) Nor does it correct deprecated code ``W6``. To enable these +more aggressive fixes, use the ``--aggressive`` option:: + + $ autopep8 --aggressive + +Use multiple ``--aggressive`` to increase the aggressiveness level. For +example, ``E712`` requires aggressiveness level 2 (since ``x == True`` could be +changed to either ``x`` or ``x is True``, but autopep8 chooses the former). + +``--aggressive`` will also shorten lines more aggressively. It will also remove +trailing whitespace more aggressively. (Usually, we don't touch trailing +whitespace in docstrings and other multiline strings. And to do even more +aggressive changes to docstrings, use docformatter_.) + +.. _docformatter: https://github.com/myint/docformatter + +To enable only a subset of the fixes, use the ``--select`` option. For example, +to fix various types of indentation issues:: + + $ autopep8 --select=E1,W1 + +Similarly, to just fix deprecated code:: + + $ autopep8 --aggressive --select=W6 + +The above is useful when trying to port a single code base to work with both +Python 2 and Python 3 at the same time. + +If the file being fixed is large, you may want to enable verbose progress +messages:: + + $ autopep8 -v + +Passing in ``--experimental`` enables the following functionality: + +- Shortens code lines by taking its length into account + +:: + +$ autopep8 --experimental + +Use as a module +=============== + +The simplest way of using autopep8 as a module is via the ``fix_code()`` +function: + + >>> import autopep8 + >>> autopep8.fix_code('x= 123\n') + 'x = 123\n' + +Or with options: + + >>> import autopep8 + >>> autopep8.fix_code('x.has_key(y)\n', + ... options={'aggressive': 1}) + 'y in x\n' + >>> autopep8.fix_code('print( 123 )\n', + ... options={'ignore': ['E']}) + 'print( 123 )\n' + + +Configuration +============= + +By default, if ``$HOME/.config/pycodestyle`` (``~\.pycodestyle`` in Windows +environment) exists, it will be used as global configuration file. +Alternatively, you can specify the global configuration file with the +``--global-config`` option. + +Also, if ``setup.cfg``, ``tox.ini``, ``.pep8`` and ``.flake8`` files exist +in the directory where the target file exists, it will be used as the +configuration file. + +``pep8``, ``pycodestyle``, and ``flake8`` can be used as a section. + +configuration file example:: + + [pycodestyle] + max_line_length = 120 + ignore = E501 + +pyproject.toml +-------------- + +autopep8 can also use ``pyproject.toml``. +The section must be ``[tool.autopep8]``, and ``pyproject.toml`` takes precedence +over any other configuration files. + +configuration file example:: + + [tool.autopep8] + max_line_length = 120 + ignore = "E501,W6" # or ["E501", "W6"] + in-place = true + recursive = true + aggressive = 3 + + +Testing +======= + +Test cases are in ``test/test_autopep8.py``. They can be run directly via +``python test/test_autopep8.py`` or via tox_. The latter is useful for +testing against multiple Python interpreters. (We currently test against +CPython versions 2.7, 3.6 3.7 and 3.8. We also test against PyPy.) + +.. _`tox`: https://pypi.org/project/tox/ + +Broad spectrum testing is available via ``test/acid.py``. This script runs +autopep8 against Python code and checks for correctness and completeness of the +code fixes. It can check that the bytecode remains identical. +``test/acid_pypi.py`` makes use of ``acid.py`` to test against the latest +released packages on PyPI. + + +Troubleshooting +=============== + +``pkg_resources.DistributionNotFound`` +-------------------------------------- + +If you are using an ancient version of ``setuptools``, you might encounter +``pkg_resources.DistributionNotFound`` when trying to run ``autopep8``. Try +upgrading ``setuptools`` to workaround this ``setuptools`` problem:: + + $ pip install --upgrade setuptools + +Use ``sudo`` if you are installing to the system. + + +Links +===== + +* PyPI_ +* GitHub_ +* `Travis CI`_ +* Coveralls_ + +.. _PyPI: https://pypi.org/project/autopep8/ +.. _GitHub: https://github.com/hhatto/autopep8 +.. _`Travis CI`: https://travis-ci.org/hhatto/autopep8 +.. _`Coveralls`: https://coveralls.io/r/hhatto/autopep8 + + diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/RECORD new file mode 100644 index 0000000..fd1c4d7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/RECORD @@ -0,0 +1,12 @@ +../../../bin/autopep8,sha256=T15GcFltjtcI7LZ7oH-vvRd_uVKyEUDwcOWUAkAQB_s,237 +__pycache__/autopep8.cpython-39.pyc,, +autopep8-1.6.0.dist-info/AUTHORS.rst,sha256=tiTPsbzGl9dtXCMEWXbWSV1zan1M-BoWtiixs46GIWk,2003 +autopep8-1.6.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +autopep8-1.6.0.dist-info/LICENSE,sha256=jR0COOSFQ0QZFMqwdB1N4-Bwobg2f3h69fIJr7YLCWo,1181 +autopep8-1.6.0.dist-info/METADATA,sha256=Alsm0GBDTMoXAhA8ZTyu5XatFZPRi69nGHS0Np9hAt4,16825 +autopep8-1.6.0.dist-info/RECORD,, +autopep8-1.6.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +autopep8-1.6.0.dist-info/WHEEL,sha256=WzZ8cwjh8l0jtULNjYq1Hpr-WCqCRgPr--TX4P5I1Wo,110 +autopep8-1.6.0.dist-info/entry_points.txt,sha256=iHNa5_cSXw2ablVbRmfiFGMG1CNrpEPRCEjn3nspaJ8,44 +autopep8-1.6.0.dist-info/top_level.txt,sha256=s2x-di3QBwGxr7kd5xErt2pom8dsFRdINbmwsOEgLfU,9 +autopep8.py,sha256=_6TpkLfhzCDrsU0jk_BNbPLa_sKMnx1ZtmraABtnAXU,155367 diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/WHEEL new file mode 100644 index 0000000..b733a60 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.0) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/entry_points.txt new file mode 100644 index 0000000..e3b2c4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +autopep8 = autopep8:main + diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/top_level.txt new file mode 100644 index 0000000..d81c0c2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8-1.6.0.dist-info/top_level.txt @@ -0,0 +1 @@ +autopep8 diff --git a/backend/mb-env/lib/python3.9/site-packages/autopep8.py b/backend/mb-env/lib/python3.9/site-packages/autopep8.py new file mode 100644 index 0000000..42f5887 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/autopep8.py @@ -0,0 +1,4575 @@ +#!/usr/bin/env python + +# Copyright (C) 2010-2011 Hideo Hattori +# Copyright (C) 2011-2013 Hideo Hattori, Steven Myint +# Copyright (C) 2013-2016 Hideo Hattori, Steven Myint, Bill Wendling +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +# Copyright (C) 2006-2009 Johann C. Rocholl +# Copyright (C) 2009-2013 Florent Xicluna +# +# Permission is hereby granted, free of charge, to any person +# obtaining a copy of this software and associated documentation files +# (the "Software"), to deal in the Software without restriction, +# including without limitation the rights to use, copy, modify, merge, +# publish, distribute, sublicense, and/or sell copies of the Software, +# and to permit persons to whom the Software is furnished to do so, +# subject to the following conditions: +# +# The above copyright notice and this permission notice shall be +# included in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS +# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN +# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +"""Automatically formats Python code to conform to the PEP 8 style guide. + +Fixes that only need be done once can be added by adding a function of the form +"fix_(source)" to this module. They should return the fixed source code. +These fixes are picked up by apply_global_fixes(). + +Fixes that depend on pycodestyle should be added as methods to FixPEP8. See the +class documentation for more information. + +""" + +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function +from __future__ import unicode_literals + +import argparse +import codecs +import collections +import copy +import difflib +import fnmatch +import inspect +import io +import itertools +import keyword +import locale +import os +import re +import signal +import sys +import textwrap +import token +import tokenize +import warnings +import ast +try: + from configparser import ConfigParser as SafeConfigParser + from configparser import Error +except ImportError: + from ConfigParser import SafeConfigParser + from ConfigParser import Error + +import pycodestyle +from pycodestyle import STARTSWITH_INDENT_STATEMENT_REGEX + + +try: + unicode +except NameError: + unicode = str + + +__version__ = '1.6.0' + + +CR = '\r' +LF = '\n' +CRLF = '\r\n' + + +PYTHON_SHEBANG_REGEX = re.compile(r'^#!.*\bpython[23]?\b\s*$') +LAMBDA_REGEX = re.compile(r'([\w.]+)\s=\slambda\s*([)(=\w,\s.]*):') +COMPARE_NEGATIVE_REGEX = re.compile(r'\b(not)\s+([^][)(}{]+?)\s+(in|is)\s') +COMPARE_NEGATIVE_REGEX_THROUGH = re.compile(r'\b(not\s+in|is\s+not)\s') +BARE_EXCEPT_REGEX = re.compile(r'except\s*:') +STARTSWITH_DEF_REGEX = re.compile(r'^(async\s+def|def)\s.*\):') +DOCSTRING_START_REGEX = re.compile(r'^u?r?(?P["\']{3})') +ENABLE_REGEX = re.compile(r'# *(fmt|autopep8): *on') +DISABLE_REGEX = re.compile(r'# *(fmt|autopep8): *off') + +EXIT_CODE_OK = 0 +EXIT_CODE_ERROR = 1 +EXIT_CODE_EXISTS_DIFF = 2 +EXIT_CODE_ARGPARSE_ERROR = 99 + +# For generating line shortening candidates. +SHORTEN_OPERATOR_GROUPS = frozenset([ + frozenset([',']), + frozenset(['%']), + frozenset([',', '(', '[', '{']), + frozenset(['%', '(', '[', '{']), + frozenset([',', '(', '[', '{', '%', '+', '-', '*', '/', '//']), + frozenset(['%', '+', '-', '*', '/', '//']), +]) + + +DEFAULT_IGNORE = 'E226,E24,W50,W690' # TODO: use pycodestyle.DEFAULT_IGNORE +DEFAULT_INDENT_SIZE = 4 +# these fixes conflict with each other, if the `--ignore` setting causes both +# to be enabled, disable both of them +CONFLICTING_CODES = ('W503', 'W504') + +SELECTED_GLOBAL_FIXED_METHOD_CODES = ['W602', ] + +# W602 is handled separately due to the need to avoid "with_traceback". +CODE_TO_2TO3 = { + 'E231': ['ws_comma'], + 'E721': ['idioms'], + 'W601': ['has_key'], + 'W603': ['ne'], + 'W604': ['repr'], + 'W690': ['apply', + 'except', + 'exitfunc', + 'numliterals', + 'operator', + 'paren', + 'reduce', + 'renames', + 'standarderror', + 'sys_exc', + 'throw', + 'tuple_params', + 'xreadlines']} + + +if sys.platform == 'win32': # pragma: no cover + DEFAULT_CONFIG = os.path.expanduser(r'~\.pycodestyle') +else: + DEFAULT_CONFIG = os.path.join(os.getenv('XDG_CONFIG_HOME') or + os.path.expanduser('~/.config'), + 'pycodestyle') +# fallback, use .pep8 +if not os.path.exists(DEFAULT_CONFIG): # pragma: no cover + if sys.platform == 'win32': + DEFAULT_CONFIG = os.path.expanduser(r'~\.pep8') + else: + DEFAULT_CONFIG = os.path.join(os.path.expanduser('~/.config'), 'pep8') +PROJECT_CONFIG = ('setup.cfg', 'tox.ini', '.pep8', '.flake8') + + +MAX_PYTHON_FILE_DETECTION_BYTES = 1024 + + +def open_with_encoding(filename, mode='r', encoding=None, limit_byte_check=-1): + """Return opened file with a specific encoding.""" + if not encoding: + encoding = detect_encoding(filename, limit_byte_check=limit_byte_check) + + return io.open(filename, mode=mode, encoding=encoding, + newline='') # Preserve line endings + + +def detect_encoding(filename, limit_byte_check=-1): + """Return file encoding.""" + try: + with open(filename, 'rb') as input_file: + from lib2to3.pgen2 import tokenize as lib2to3_tokenize + encoding = lib2to3_tokenize.detect_encoding(input_file.readline)[0] + + with open_with_encoding(filename, encoding=encoding) as test_file: + test_file.read(limit_byte_check) + + return encoding + except (LookupError, SyntaxError, UnicodeDecodeError): + return 'latin-1' + + +def readlines_from_file(filename): + """Return contents of file.""" + with open_with_encoding(filename) as input_file: + return input_file.readlines() + + +def extended_blank_lines(logical_line, + blank_lines, + blank_before, + indent_level, + previous_logical): + """Check for missing blank lines after class declaration.""" + if previous_logical.startswith('def '): + if blank_lines and pycodestyle.DOCSTRING_REGEX.match(logical_line): + yield (0, 'E303 too many blank lines ({})'.format(blank_lines)) + elif pycodestyle.DOCSTRING_REGEX.match(previous_logical): + # Missing blank line between class docstring and method declaration. + if ( + indent_level and + not blank_lines and + not blank_before and + logical_line.startswith(('def ')) and + '(self' in logical_line + ): + yield (0, 'E301 expected 1 blank line, found 0') + + +pycodestyle.register_check(extended_blank_lines) + + +def continued_indentation(logical_line, tokens, indent_level, hang_closing, + indent_char, noqa): + """Override pycodestyle's function to provide indentation information.""" + first_row = tokens[0][2][0] + nrows = 1 + tokens[-1][2][0] - first_row + if noqa or nrows == 1: + return + + # indent_next tells us whether the next block is indented. Assuming + # that it is indented by 4 spaces, then we should not allow 4-space + # indents on the final continuation line. In turn, some other + # indents are allowed to have an extra 4 spaces. + indent_next = logical_line.endswith(':') + + row = depth = 0 + valid_hangs = ( + (DEFAULT_INDENT_SIZE,) + if indent_char != '\t' else (DEFAULT_INDENT_SIZE, + 2 * DEFAULT_INDENT_SIZE) + ) + + # Remember how many brackets were opened on each line. + parens = [0] * nrows + + # Relative indents of physical lines. + rel_indent = [0] * nrows + + # For each depth, collect a list of opening rows. + open_rows = [[0]] + # For each depth, memorize the hanging indentation. + hangs = [None] + + # Visual indents. + indent_chances = {} + last_indent = tokens[0][2] + indent = [last_indent[1]] + + last_token_multiline = None + line = None + last_line = '' + last_line_begins_with_multiline = False + for token_type, text, start, end, line in tokens: + + newline = row < start[0] - first_row + if newline: + row = start[0] - first_row + newline = (not last_token_multiline and + token_type not in (tokenize.NL, tokenize.NEWLINE)) + last_line_begins_with_multiline = last_token_multiline + + if newline: + # This is the beginning of a continuation line. + last_indent = start + + # Record the initial indent. + rel_indent[row] = pycodestyle.expand_indent(line) - indent_level + + # Identify closing bracket. + close_bracket = (token_type == tokenize.OP and text in ']})') + + # Is the indent relative to an opening bracket line? + for open_row in reversed(open_rows[depth]): + hang = rel_indent[row] - rel_indent[open_row] + hanging_indent = hang in valid_hangs + if hanging_indent: + break + if hangs[depth]: + hanging_indent = (hang == hangs[depth]) + + visual_indent = (not close_bracket and hang > 0 and + indent_chances.get(start[1])) + + if close_bracket and indent[depth]: + # Closing bracket for visual indent. + if start[1] != indent[depth]: + yield (start, 'E124 {}'.format(indent[depth])) + elif close_bracket and not hang: + # closing bracket matches indentation of opening bracket's line + if hang_closing: + yield (start, 'E133 {}'.format(indent[depth])) + elif indent[depth] and start[1] < indent[depth]: + if visual_indent is not True: + # Visual indent is broken. + yield (start, 'E128 {}'.format(indent[depth])) + elif (hanging_indent or + (indent_next and + rel_indent[row] == 2 * DEFAULT_INDENT_SIZE)): + # Hanging indent is verified. + if close_bracket and not hang_closing: + yield (start, 'E123 {}'.format(indent_level + + rel_indent[open_row])) + hangs[depth] = hang + elif visual_indent is True: + # Visual indent is verified. + indent[depth] = start[1] + elif visual_indent in (text, unicode): + # Ignore token lined up with matching one from a previous line. + pass + else: + one_indented = (indent_level + rel_indent[open_row] + + DEFAULT_INDENT_SIZE) + # Indent is broken. + if hang <= 0: + error = ('E122', one_indented) + elif indent[depth]: + error = ('E127', indent[depth]) + elif not close_bracket and hangs[depth]: + error = ('E131', one_indented) + elif hang > DEFAULT_INDENT_SIZE: + error = ('E126', one_indented) + else: + hangs[depth] = hang + error = ('E121', one_indented) + + yield (start, '{} {}'.format(*error)) + + # Look for visual indenting. + if ( + parens[row] and + token_type not in (tokenize.NL, tokenize.COMMENT) and + not indent[depth] + ): + indent[depth] = start[1] + indent_chances[start[1]] = True + # Deal with implicit string concatenation. + elif (token_type in (tokenize.STRING, tokenize.COMMENT) or + text in ('u', 'ur', 'b', 'br')): + indent_chances[start[1]] = unicode + # Special case for the "if" statement because len("if (") is equal to + # 4. + elif not indent_chances and not row and not depth and text == 'if': + indent_chances[end[1] + 1] = True + elif text == ':' and line[end[1]:].isspace(): + open_rows[depth].append(row) + + # Keep track of bracket depth. + if token_type == tokenize.OP: + if text in '([{': + depth += 1 + indent.append(0) + hangs.append(None) + if len(open_rows) == depth: + open_rows.append([]) + open_rows[depth].append(row) + parens[row] += 1 + elif text in ')]}' and depth > 0: + # Parent indents should not be more than this one. + prev_indent = indent.pop() or last_indent[1] + hangs.pop() + for d in range(depth): + if indent[d] > prev_indent: + indent[d] = 0 + for ind in list(indent_chances): + if ind >= prev_indent: + del indent_chances[ind] + del open_rows[depth + 1:] + depth -= 1 + if depth: + indent_chances[indent[depth]] = True + for idx in range(row, -1, -1): + if parens[idx]: + parens[idx] -= 1 + break + assert len(indent) == depth + 1 + if ( + start[1] not in indent_chances and + # This is for purposes of speeding up E121 (GitHub #90). + not last_line.rstrip().endswith(',') + ): + # Allow to line up tokens. + indent_chances[start[1]] = text + + last_token_multiline = (start[0] != end[0]) + if last_token_multiline: + rel_indent[end[0] - first_row] = rel_indent[row] + + last_line = line + + if ( + indent_next and + not last_line_begins_with_multiline and + pycodestyle.expand_indent(line) == indent_level + DEFAULT_INDENT_SIZE + ): + pos = (start[0], indent[0] + 4) + desired_indent = indent_level + 2 * DEFAULT_INDENT_SIZE + if visual_indent: + yield (pos, 'E129 {}'.format(desired_indent)) + else: + yield (pos, 'E125 {}'.format(desired_indent)) + + +del pycodestyle._checks['logical_line'][pycodestyle.continued_indentation] +pycodestyle.register_check(continued_indentation) + + +class FixPEP8(object): + + """Fix invalid code. + + Fixer methods are prefixed "fix_". The _fix_source() method looks for these + automatically. + + The fixer method can take either one or two arguments (in addition to + self). The first argument is "result", which is the error information from + pycodestyle. The second argument, "logical", is required only for + logical-line fixes. + + The fixer method can return the list of modified lines or None. An empty + list would mean that no changes were made. None would mean that only the + line reported in the pycodestyle error was modified. Note that the modified + line numbers that are returned are indexed at 1. This typically would + correspond with the line number reported in the pycodestyle error + information. + + [fixed method list] + - e111,e114,e115,e116 + - e121,e122,e123,e124,e125,e126,e127,e128,e129 + - e201,e202,e203 + - e211 + - e221,e222,e223,e224,e225 + - e231 + - e251,e252 + - e261,e262 + - e271,e272,e273,e274 + - e301,e302,e303,e304,e305,e306 + - e401,e402 + - e502 + - e701,e702,e703,e704 + - e711,e712,e713,e714 + - e722 + - e731 + - w291 + - w503,504 + + """ + + def __init__(self, filename, + options, + contents=None, + long_line_ignore_cache=None): + self.filename = filename + if contents is None: + self.source = readlines_from_file(filename) + else: + sio = io.StringIO(contents) + self.source = sio.readlines() + self.options = options + self.indent_word = _get_indentword(''.join(self.source)) + + # collect imports line + self.imports = {} + for i, line in enumerate(self.source): + if (line.find("import ") == 0 or line.find("from ") == 0) and \ + line not in self.imports: + # collect only import statements that first appeared + self.imports[line] = i + + self.long_line_ignore_cache = ( + set() if long_line_ignore_cache is None + else long_line_ignore_cache) + + # Many fixers are the same even though pycodestyle categorizes them + # differently. + self.fix_e115 = self.fix_e112 + self.fix_e121 = self._fix_reindent + self.fix_e122 = self._fix_reindent + self.fix_e123 = self._fix_reindent + self.fix_e124 = self._fix_reindent + self.fix_e126 = self._fix_reindent + self.fix_e127 = self._fix_reindent + self.fix_e128 = self._fix_reindent + self.fix_e129 = self._fix_reindent + self.fix_e133 = self.fix_e131 + self.fix_e202 = self.fix_e201 + self.fix_e203 = self.fix_e201 + self.fix_e211 = self.fix_e201 + self.fix_e221 = self.fix_e271 + self.fix_e222 = self.fix_e271 + self.fix_e223 = self.fix_e271 + self.fix_e226 = self.fix_e225 + self.fix_e227 = self.fix_e225 + self.fix_e228 = self.fix_e225 + self.fix_e241 = self.fix_e271 + self.fix_e242 = self.fix_e224 + self.fix_e252 = self.fix_e225 + self.fix_e261 = self.fix_e262 + self.fix_e272 = self.fix_e271 + self.fix_e273 = self.fix_e271 + self.fix_e274 = self.fix_e271 + self.fix_e306 = self.fix_e301 + self.fix_e501 = ( + self.fix_long_line_logically if + options and (options.aggressive >= 2 or options.experimental) else + self.fix_long_line_physically) + self.fix_e703 = self.fix_e702 + self.fix_w292 = self.fix_w291 + self.fix_w293 = self.fix_w291 + + def _fix_source(self, results): + try: + (logical_start, logical_end) = _find_logical(self.source) + logical_support = True + except (SyntaxError, tokenize.TokenError): # pragma: no cover + logical_support = False + + completed_lines = set() + for result in sorted(results, key=_priority_key): + if result['line'] in completed_lines: + continue + + fixed_methodname = 'fix_' + result['id'].lower() + if hasattr(self, fixed_methodname): + fix = getattr(self, fixed_methodname) + + line_index = result['line'] - 1 + original_line = self.source[line_index] + + is_logical_fix = len(_get_parameters(fix)) > 2 + if is_logical_fix: + logical = None + if logical_support: + logical = _get_logical(self.source, + result, + logical_start, + logical_end) + if logical and set(range( + logical[0][0] + 1, + logical[1][0] + 1)).intersection( + completed_lines): + continue + + modified_lines = fix(result, logical) + else: + modified_lines = fix(result) + + if modified_lines is None: + # Force logical fixes to report what they modified. + assert not is_logical_fix + + if self.source[line_index] == original_line: + modified_lines = [] + + if modified_lines: + completed_lines.update(modified_lines) + elif modified_lines == []: # Empty list means no fix + if self.options.verbose >= 2: + print( + '---> Not fixing {error} on line {line}'.format( + error=result['id'], line=result['line']), + file=sys.stderr) + else: # We assume one-line fix when None. + completed_lines.add(result['line']) + else: + if self.options.verbose >= 3: + print( + "---> '{}' is not defined.".format(fixed_methodname), + file=sys.stderr) + + info = result['info'].strip() + print('---> {}:{}:{}:{}'.format(self.filename, + result['line'], + result['column'], + info), + file=sys.stderr) + + def fix(self): + """Return a version of the source code with PEP 8 violations fixed.""" + pep8_options = { + 'ignore': self.options.ignore, + 'select': self.options.select, + 'max_line_length': self.options.max_line_length, + 'hang_closing': self.options.hang_closing, + } + results = _execute_pep8(pep8_options, self.source) + + if self.options.verbose: + progress = {} + for r in results: + if r['id'] not in progress: + progress[r['id']] = set() + progress[r['id']].add(r['line']) + print('---> {n} issue(s) to fix {progress}'.format( + n=len(results), progress=progress), file=sys.stderr) + + if self.options.line_range: + start, end = self.options.line_range + results = [r for r in results + if start <= r['line'] <= end] + + self._fix_source(filter_results(source=''.join(self.source), + results=results, + aggressive=self.options.aggressive)) + + if self.options.line_range: + # If number of lines has changed then change line_range. + count = sum(sline.count('\n') + for sline in self.source[start - 1:end]) + self.options.line_range[1] = start + count - 1 + + return ''.join(self.source) + + def _fix_reindent(self, result): + """Fix a badly indented line. + + This is done by adding or removing from its initial indent only. + + """ + num_indent_spaces = int(result['info'].split()[1]) + line_index = result['line'] - 1 + target = self.source[line_index] + + self.source[line_index] = ' ' * num_indent_spaces + target.lstrip() + + def fix_e112(self, result): + """Fix under-indented comments.""" + line_index = result['line'] - 1 + target = self.source[line_index] + + if not target.lstrip().startswith('#'): + # Don't screw with invalid syntax. + return [] + + self.source[line_index] = self.indent_word + target + + def fix_e113(self, result): + """Fix unexpected indentation.""" + line_index = result['line'] - 1 + target = self.source[line_index] + indent = _get_indentation(target) + stripped = target.lstrip() + self.source[line_index] = indent[1:] + stripped + + def fix_e116(self, result): + """Fix over-indented comments.""" + line_index = result['line'] - 1 + target = self.source[line_index] + + indent = _get_indentation(target) + stripped = target.lstrip() + + if not stripped.startswith('#'): + # Don't screw with invalid syntax. + return [] + + self.source[line_index] = indent[1:] + stripped + + def fix_e117(self, result): + """Fix over-indented.""" + line_index = result['line'] - 1 + target = self.source[line_index] + + indent = _get_indentation(target) + if indent == '\t': + return [] + + stripped = target.lstrip() + + self.source[line_index] = indent[1:] + stripped + + def fix_e125(self, result): + """Fix indentation undistinguish from the next logical line.""" + num_indent_spaces = int(result['info'].split()[1]) + line_index = result['line'] - 1 + target = self.source[line_index] + + spaces_to_add = num_indent_spaces - len(_get_indentation(target)) + indent = len(_get_indentation(target)) + modified_lines = [] + + while len(_get_indentation(self.source[line_index])) >= indent: + self.source[line_index] = (' ' * spaces_to_add + + self.source[line_index]) + modified_lines.append(1 + line_index) # Line indexed at 1. + line_index -= 1 + + return modified_lines + + def fix_e131(self, result): + """Fix indentation undistinguish from the next logical line.""" + num_indent_spaces = int(result['info'].split()[1]) + line_index = result['line'] - 1 + target = self.source[line_index] + + spaces_to_add = num_indent_spaces - len(_get_indentation(target)) + + indent_length = len(_get_indentation(target)) + spaces_to_add = num_indent_spaces - indent_length + if num_indent_spaces == 0 and indent_length == 0: + spaces_to_add = 4 + + if spaces_to_add >= 0: + self.source[line_index] = (' ' * spaces_to_add + + self.source[line_index]) + else: + offset = abs(spaces_to_add) + self.source[line_index] = self.source[line_index][offset:] + + def fix_e201(self, result): + """Remove extraneous whitespace.""" + line_index = result['line'] - 1 + target = self.source[line_index] + offset = result['column'] - 1 + + fixed = fix_whitespace(target, + offset=offset, + replacement='') + + self.source[line_index] = fixed + + def fix_e224(self, result): + """Remove extraneous whitespace around operator.""" + target = self.source[result['line'] - 1] + offset = result['column'] - 1 + fixed = target[:offset] + target[offset:].replace('\t', ' ') + self.source[result['line'] - 1] = fixed + + def fix_e225(self, result): + """Fix missing whitespace around operator.""" + target = self.source[result['line'] - 1] + offset = result['column'] - 1 + fixed = target[:offset] + ' ' + target[offset:] + + # Only proceed if non-whitespace characters match. + # And make sure we don't break the indentation. + if ( + fixed.replace(' ', '') == target.replace(' ', '') and + _get_indentation(fixed) == _get_indentation(target) + ): + self.source[result['line'] - 1] = fixed + error_code = result.get('id', 0) + try: + ts = generate_tokens(fixed) + except (SyntaxError, tokenize.TokenError): + return + if not check_syntax(fixed.lstrip()): + return + errors = list( + pycodestyle.missing_whitespace_around_operator(fixed, ts)) + for e in reversed(errors): + if error_code != e[1].split()[0]: + continue + offset = e[0][1] + fixed = fixed[:offset] + ' ' + fixed[offset:] + self.source[result['line'] - 1] = fixed + else: + return [] + + def fix_e231(self, result): + """Add missing whitespace.""" + line_index = result['line'] - 1 + target = self.source[line_index] + offset = result['column'] + fixed = target[:offset].rstrip() + ' ' + target[offset:].lstrip() + self.source[line_index] = fixed + + def fix_e251(self, result): + """Remove whitespace around parameter '=' sign.""" + line_index = result['line'] - 1 + target = self.source[line_index] + + # This is necessary since pycodestyle sometimes reports columns that + # goes past the end of the physical line. This happens in cases like, + # foo(bar\n=None) + c = min(result['column'] - 1, + len(target) - 1) + + if target[c].strip(): + fixed = target + else: + fixed = target[:c].rstrip() + target[c:].lstrip() + + # There could be an escaped newline + # + # def foo(a=\ + # 1) + if fixed.endswith(('=\\\n', '=\\\r\n', '=\\\r')): + self.source[line_index] = fixed.rstrip('\n\r \t\\') + self.source[line_index + 1] = self.source[line_index + 1].lstrip() + return [line_index + 1, line_index + 2] # Line indexed at 1 + + self.source[result['line'] - 1] = fixed + + def fix_e262(self, result): + """Fix spacing after comment hash.""" + target = self.source[result['line'] - 1] + offset = result['column'] + + code = target[:offset].rstrip(' \t#') + comment = target[offset:].lstrip(' \t#') + + fixed = code + (' # ' + comment if comment.strip() else '\n') + + self.source[result['line'] - 1] = fixed + + def fix_e271(self, result): + """Fix extraneous whitespace around keywords.""" + line_index = result['line'] - 1 + target = self.source[line_index] + offset = result['column'] - 1 + + fixed = fix_whitespace(target, + offset=offset, + replacement=' ') + + if fixed == target: + return [] + else: + self.source[line_index] = fixed + + def fix_e301(self, result): + """Add missing blank line.""" + cr = '\n' + self.source[result['line'] - 1] = cr + self.source[result['line'] - 1] + + def fix_e302(self, result): + """Add missing 2 blank lines.""" + add_linenum = 2 - int(result['info'].split()[-1]) + offset = 1 + if self.source[result['line'] - 2].strip() == "\\": + offset = 2 + cr = '\n' * add_linenum + self.source[result['line'] - offset] = ( + cr + self.source[result['line'] - offset] + ) + + def fix_e303(self, result): + """Remove extra blank lines.""" + delete_linenum = int(result['info'].split('(')[1].split(')')[0]) - 2 + delete_linenum = max(1, delete_linenum) + + # We need to count because pycodestyle reports an offset line number if + # there are comments. + cnt = 0 + line = result['line'] - 2 + modified_lines = [] + while cnt < delete_linenum and line >= 0: + if not self.source[line].strip(): + self.source[line] = '' + modified_lines.append(1 + line) # Line indexed at 1 + cnt += 1 + line -= 1 + + return modified_lines + + def fix_e304(self, result): + """Remove blank line following function decorator.""" + line = result['line'] - 2 + if not self.source[line].strip(): + self.source[line] = '' + + def fix_e305(self, result): + """Add missing 2 blank lines after end of function or class.""" + add_delete_linenum = 2 - int(result['info'].split()[-1]) + cnt = 0 + offset = result['line'] - 2 + modified_lines = [] + if add_delete_linenum < 0: + # delete cr + add_delete_linenum = abs(add_delete_linenum) + while cnt < add_delete_linenum and offset >= 0: + if not self.source[offset].strip(): + self.source[offset] = '' + modified_lines.append(1 + offset) # Line indexed at 1 + cnt += 1 + offset -= 1 + else: + # add cr + cr = '\n' + # check comment line + while True: + if offset < 0: + break + line = self.source[offset].lstrip() + if not line: + break + if line[0] != '#': + break + offset -= 1 + offset += 1 + self.source[offset] = cr + self.source[offset] + modified_lines.append(1 + offset) # Line indexed at 1. + return modified_lines + + def fix_e401(self, result): + """Put imports on separate lines.""" + line_index = result['line'] - 1 + target = self.source[line_index] + offset = result['column'] - 1 + + if not target.lstrip().startswith('import'): + return [] + + indentation = re.split(pattern=r'\bimport\b', + string=target, maxsplit=1)[0] + fixed = (target[:offset].rstrip('\t ,') + '\n' + + indentation + 'import ' + target[offset:].lstrip('\t ,')) + self.source[line_index] = fixed + + def fix_e402(self, result): + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + for i in range(1, 100): + line = "".join(self.source[line_index:line_index+i]) + try: + generate_tokens("".join(line)) + except (SyntaxError, tokenize.TokenError): + continue + break + if not (target in self.imports and self.imports[target] != line_index): + mod_offset = get_module_imports_on_top_of_file(self.source, + line_index) + self.source[mod_offset] = line + self.source[mod_offset] + for offset in range(i): + self.source[line_index+offset] = '' + + def fix_long_line_logically(self, result, logical): + """Try to make lines fit within --max-line-length characters.""" + if ( + not logical or + len(logical[2]) == 1 or + self.source[result['line'] - 1].lstrip().startswith('#') + ): + return self.fix_long_line_physically(result) + + start_line_index = logical[0][0] + end_line_index = logical[1][0] + logical_lines = logical[2] + + previous_line = get_item(self.source, start_line_index - 1, default='') + next_line = get_item(self.source, end_line_index + 1, default='') + + single_line = join_logical_line(''.join(logical_lines)) + + try: + fixed = self.fix_long_line( + target=single_line, + previous_line=previous_line, + next_line=next_line, + original=''.join(logical_lines)) + except (SyntaxError, tokenize.TokenError): + return self.fix_long_line_physically(result) + + if fixed: + for line_index in range(start_line_index, end_line_index + 1): + self.source[line_index] = '' + self.source[start_line_index] = fixed + return range(start_line_index + 1, end_line_index + 1) + + return [] + + def fix_long_line_physically(self, result): + """Try to make lines fit within --max-line-length characters.""" + line_index = result['line'] - 1 + target = self.source[line_index] + + previous_line = get_item(self.source, line_index - 1, default='') + next_line = get_item(self.source, line_index + 1, default='') + + try: + fixed = self.fix_long_line( + target=target, + previous_line=previous_line, + next_line=next_line, + original=target) + except (SyntaxError, tokenize.TokenError): + return [] + + if fixed: + self.source[line_index] = fixed + return [line_index + 1] + + return [] + + def fix_long_line(self, target, previous_line, + next_line, original): + cache_entry = (target, previous_line, next_line) + if cache_entry in self.long_line_ignore_cache: + return [] + + if target.lstrip().startswith('#'): + if self.options.aggressive: + # Wrap commented lines. + return shorten_comment( + line=target, + max_line_length=self.options.max_line_length, + last_comment=not next_line.lstrip().startswith('#')) + return [] + + fixed = get_fixed_long_line( + target=target, + previous_line=previous_line, + original=original, + indent_word=self.indent_word, + max_line_length=self.options.max_line_length, + aggressive=self.options.aggressive, + experimental=self.options.experimental, + verbose=self.options.verbose) + + if fixed and not code_almost_equal(original, fixed): + return fixed + + self.long_line_ignore_cache.add(cache_entry) + return None + + def fix_e502(self, result): + """Remove extraneous escape of newline.""" + (line_index, _, target) = get_index_offset_contents(result, + self.source) + self.source[line_index] = target.rstrip('\n\r \t\\') + '\n' + + def fix_e701(self, result): + """Put colon-separated compound statement on separate lines.""" + line_index = result['line'] - 1 + target = self.source[line_index] + c = result['column'] + + fixed_source = (target[:c] + '\n' + + _get_indentation(target) + self.indent_word + + target[c:].lstrip('\n\r \t\\')) + self.source[result['line'] - 1] = fixed_source + return [result['line'], result['line'] + 1] + + def fix_e702(self, result, logical): + """Put semicolon-separated compound statement on separate lines.""" + if not logical: + return [] # pragma: no cover + logical_lines = logical[2] + + # Avoid applying this when indented. + # https://docs.python.org/reference/compound_stmts.html + for line in logical_lines: + if (result['id'] == 'E702' and ':' in line + and STARTSWITH_INDENT_STATEMENT_REGEX.match(line)): + if self.options.verbose: + print( + '---> avoid fixing {error} with ' + 'other compound statements'.format(error=result['id']), + file=sys.stderr + ) + return [] + + line_index = result['line'] - 1 + target = self.source[line_index] + + if target.rstrip().endswith('\\'): + # Normalize '1; \\\n2' into '1; 2'. + self.source[line_index] = target.rstrip('\n \r\t\\') + self.source[line_index + 1] = self.source[line_index + 1].lstrip() + return [line_index + 1, line_index + 2] + + if target.rstrip().endswith(';'): + self.source[line_index] = target.rstrip('\n \r\t;') + '\n' + return [line_index + 1] + + offset = result['column'] - 1 + first = target[:offset].rstrip(';').rstrip() + second = (_get_indentation(logical_lines[0]) + + target[offset:].lstrip(';').lstrip()) + + # Find inline comment. + inline_comment = None + if target[offset:].lstrip(';').lstrip()[:2] == '# ': + inline_comment = target[offset:].lstrip(';') + + if inline_comment: + self.source[line_index] = first + inline_comment + else: + self.source[line_index] = first + '\n' + second + return [line_index + 1] + + def fix_e704(self, result): + """Fix multiple statements on one line def""" + (line_index, _, target) = get_index_offset_contents(result, + self.source) + match = STARTSWITH_DEF_REGEX.match(target) + if match: + self.source[line_index] = '{}\n{}{}'.format( + match.group(0), + _get_indentation(target) + self.indent_word, + target[match.end(0):].lstrip()) + + def fix_e711(self, result): + """Fix comparison with None.""" + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + + right_offset = offset + 2 + if right_offset >= len(target): + return [] + + left = target[:offset].rstrip() + center = target[offset:right_offset] + right = target[right_offset:].lstrip() + + if center.strip() == '==': + new_center = 'is' + elif center.strip() == '!=': + new_center = 'is not' + else: + return [] + + self.source[line_index] = ' '.join([left, new_center, right]) + + def fix_e712(self, result): + """Fix (trivial case of) comparison with boolean.""" + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + + # Handle very easy "not" special cases. + if re.match(r'^\s*if [\w."\'\[\]]+ == False:$', target): + self.source[line_index] = re.sub(r'if ([\w."\'\[\]]+) == False:', + r'if not \1:', target, count=1) + elif re.match(r'^\s*if [\w."\'\[\]]+ != True:$', target): + self.source[line_index] = re.sub(r'if ([\w."\'\[\]]+) != True:', + r'if not \1:', target, count=1) + else: + right_offset = offset + 2 + if right_offset >= len(target): + return [] + + left = target[:offset].rstrip() + center = target[offset:right_offset] + right = target[right_offset:].lstrip() + + # Handle simple cases only. + new_right = None + if center.strip() == '==': + if re.match(r'\bTrue\b', right): + new_right = re.sub(r'\bTrue\b *', '', right, count=1) + elif center.strip() == '!=': + if re.match(r'\bFalse\b', right): + new_right = re.sub(r'\bFalse\b *', '', right, count=1) + + if new_right is None: + return [] + + if new_right[0].isalnum(): + new_right = ' ' + new_right + + self.source[line_index] = left + new_right + + def fix_e713(self, result): + """Fix (trivial case of) non-membership check.""" + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + + # to convert once 'not in' -> 'in' + before_target = target[:offset] + target = target[offset:] + match_notin = COMPARE_NEGATIVE_REGEX_THROUGH.search(target) + notin_pos_start, notin_pos_end = 0, 0 + if match_notin: + notin_pos_start = match_notin.start(1) + notin_pos_end = match_notin.end() + target = '{}{} {}'.format( + target[:notin_pos_start], 'in', target[notin_pos_end:]) + + # fix 'not in' + match = COMPARE_NEGATIVE_REGEX.search(target) + if match: + if match.group(3) == 'in': + pos_start = match.start(1) + new_target = '{5}{0}{1} {2} {3} {4}'.format( + target[:pos_start], match.group(2), match.group(1), + match.group(3), target[match.end():], before_target) + if match_notin: + # revert 'in' -> 'not in' + pos_start = notin_pos_start + offset + pos_end = notin_pos_end + offset - 4 # len('not ') + new_target = '{}{} {}'.format( + new_target[:pos_start], 'not in', new_target[pos_end:]) + self.source[line_index] = new_target + + def fix_e714(self, result): + """Fix object identity should be 'is not' case.""" + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + + # to convert once 'is not' -> 'is' + before_target = target[:offset] + target = target[offset:] + match_isnot = COMPARE_NEGATIVE_REGEX_THROUGH.search(target) + isnot_pos_start, isnot_pos_end = 0, 0 + if match_isnot: + isnot_pos_start = match_isnot.start(1) + isnot_pos_end = match_isnot.end() + target = '{}{} {}'.format( + target[:isnot_pos_start], 'in', target[isnot_pos_end:]) + + match = COMPARE_NEGATIVE_REGEX.search(target) + if match: + if match.group(3).startswith('is'): + pos_start = match.start(1) + new_target = '{5}{0}{1} {2} {3} {4}'.format( + target[:pos_start], match.group(2), match.group(3), + match.group(1), target[match.end():], before_target) + if match_isnot: + # revert 'is' -> 'is not' + pos_start = isnot_pos_start + offset + pos_end = isnot_pos_end + offset - 4 # len('not ') + new_target = '{}{} {}'.format( + new_target[:pos_start], 'is not', new_target[pos_end:]) + self.source[line_index] = new_target + + def fix_e722(self, result): + """fix bare except""" + (line_index, _, target) = get_index_offset_contents(result, + self.source) + match = BARE_EXCEPT_REGEX.search(target) + if match: + self.source[line_index] = '{}{}{}'.format( + target[:result['column'] - 1], "except BaseException:", + target[match.end():]) + + def fix_e731(self, result): + """Fix do not assign a lambda expression check.""" + (line_index, _, target) = get_index_offset_contents(result, + self.source) + match = LAMBDA_REGEX.search(target) + if match: + end = match.end() + self.source[line_index] = '{}def {}({}): return {}'.format( + target[:match.start(0)], match.group(1), match.group(2), + target[end:].lstrip()) + + def fix_w291(self, result): + """Remove trailing whitespace.""" + fixed_line = self.source[result['line'] - 1].rstrip() + self.source[result['line'] - 1] = fixed_line + '\n' + + def fix_w391(self, _): + """Remove trailing blank lines.""" + blank_count = 0 + for line in reversed(self.source): + line = line.rstrip() + if line: + break + else: + blank_count += 1 + + original_length = len(self.source) + self.source = self.source[:original_length - blank_count] + return range(1, 1 + original_length) + + def fix_w503(self, result): + (line_index, _, target) = get_index_offset_contents(result, + self.source) + one_string_token = target.split()[0] + try: + ts = generate_tokens(one_string_token) + except (SyntaxError, tokenize.TokenError): + return + if not _is_binary_operator(ts[0][0], one_string_token): + return + # find comment + comment_index = 0 + found_not_comment_only_line = False + comment_only_linenum = 0 + for i in range(5): + # NOTE: try to parse code in 5 times + if (line_index - i) < 0: + break + from_index = line_index - i - 1 + if from_index < 0 or len(self.source) <= from_index: + break + to_index = line_index + 1 + strip_line = self.source[from_index].lstrip() + if ( + not found_not_comment_only_line and + strip_line and strip_line[0] == '#' + ): + comment_only_linenum += 1 + continue + found_not_comment_only_line = True + try: + ts = generate_tokens("".join(self.source[from_index:to_index])) + except (SyntaxError, tokenize.TokenError): + continue + newline_count = 0 + newline_index = [] + for index, t in enumerate(ts): + if t[0] in (tokenize.NEWLINE, tokenize.NL): + newline_index.append(index) + newline_count += 1 + if newline_count > 2: + tts = ts[newline_index[-3]:] + else: + tts = ts + old = [] + for t in tts: + if t[0] in (tokenize.NEWLINE, tokenize.NL): + newline_count -= 1 + if newline_count <= 1: + break + if tokenize.COMMENT == t[0] and old and old[0] != tokenize.NL: + comment_index = old[3][1] + break + old = t + break + i = target.index(one_string_token) + fix_target_line = line_index - 1 - comment_only_linenum + self.source[line_index] = '{}{}'.format( + target[:i], target[i + len(one_string_token):].lstrip()) + nl = find_newline(self.source[fix_target_line:line_index]) + before_line = self.source[fix_target_line] + bl = before_line.index(nl) + if comment_index: + self.source[fix_target_line] = '{} {} {}'.format( + before_line[:comment_index], one_string_token, + before_line[comment_index + 1:]) + else: + if before_line[:bl].endswith("#"): + # special case + # see: https://github.com/hhatto/autopep8/issues/503 + self.source[fix_target_line] = '{}{} {}'.format( + before_line[:bl-2], one_string_token, before_line[bl-2:]) + else: + self.source[fix_target_line] = '{} {}{}'.format( + before_line[:bl], one_string_token, before_line[bl:]) + + def fix_w504(self, result): + (line_index, _, target) = get_index_offset_contents(result, + self.source) + # NOTE: is not collect pointed out in pycodestyle==2.4.0 + comment_index = 0 + operator_position = None # (start_position, end_position) + for i in range(1, 6): + to_index = line_index + i + try: + ts = generate_tokens("".join(self.source[line_index:to_index])) + except (SyntaxError, tokenize.TokenError): + continue + newline_count = 0 + newline_index = [] + for index, t in enumerate(ts): + if _is_binary_operator(t[0], t[1]): + if t[2][0] == 1 and t[3][0] == 1: + operator_position = (t[2][1], t[3][1]) + elif t[0] == tokenize.NAME and t[1] in ("and", "or"): + if t[2][0] == 1 and t[3][0] == 1: + operator_position = (t[2][1], t[3][1]) + elif t[0] in (tokenize.NEWLINE, tokenize.NL): + newline_index.append(index) + newline_count += 1 + if newline_count > 2: + tts = ts[:newline_index[-3]] + else: + tts = ts + old = [] + for t in tts: + if tokenize.COMMENT == t[0] and old: + comment_row, comment_index = old[3] + break + old = t + break + if not operator_position: + return + target_operator = target[operator_position[0]:operator_position[1]] + + if comment_index and comment_row == 1: + self.source[line_index] = '{}{}'.format( + target[:operator_position[0]].rstrip(), + target[comment_index:]) + else: + self.source[line_index] = '{}{}{}'.format( + target[:operator_position[0]].rstrip(), + target[operator_position[1]:].lstrip(), + target[operator_position[1]:]) + + next_line = self.source[line_index + 1] + next_line_indent = 0 + m = re.match(r'\s*', next_line) + if m: + next_line_indent = m.span()[1] + self.source[line_index + 1] = '{}{} {}'.format( + next_line[:next_line_indent], target_operator, + next_line[next_line_indent:]) + + def fix_w605(self, result): + (line_index, offset, target) = get_index_offset_contents(result, + self.source) + self.source[line_index] = '{}\\{}'.format( + target[:offset + 1], target[offset + 1:]) + + +def get_module_imports_on_top_of_file(source, import_line_index): + """return import or from keyword position + + example: + > 0: import sys + 1: import os + 2: + 3: def function(): + """ + def is_string_literal(line): + if line[0] in 'uUbB': + line = line[1:] + if line and line[0] in 'rR': + line = line[1:] + return line and (line[0] == '"' or line[0] == "'") + + def is_future_import(line): + nodes = ast.parse(line) + for n in nodes.body: + if isinstance(n, ast.ImportFrom) and n.module == '__future__': + return True + return False + + def has_future_import(source): + offset = 0 + line = '' + for _, next_line in source: + for line_part in next_line.strip().splitlines(True): + line = line + line_part + try: + return is_future_import(line), offset + except SyntaxError: + continue + offset += 1 + return False, offset + + allowed_try_keywords = ('try', 'except', 'else', 'finally') + in_docstring = False + docstring_kind = '"""' + source_stream = iter(enumerate(source)) + for cnt, line in source_stream: + if not in_docstring: + m = DOCSTRING_START_REGEX.match(line.lstrip()) + if m is not None: + in_docstring = True + docstring_kind = m.group('kind') + remain = line[m.end(): m.endpos].rstrip() + if remain[-3:] == docstring_kind: # one line doc + in_docstring = False + continue + if in_docstring: + if line.rstrip()[-3:] == docstring_kind: + in_docstring = False + continue + + if not line.rstrip(): + continue + elif line.startswith('#'): + continue + + if line.startswith('import '): + if cnt == import_line_index: + continue + return cnt + elif line.startswith('from '): + if cnt == import_line_index: + continue + hit, offset = has_future_import( + itertools.chain([(cnt, line)], source_stream) + ) + if hit: + # move to the back + return cnt + offset + 1 + return cnt + elif pycodestyle.DUNDER_REGEX.match(line): + return cnt + elif any(line.startswith(kw) for kw in allowed_try_keywords): + continue + elif is_string_literal(line): + return cnt + else: + return cnt + return 0 + + +def get_index_offset_contents(result, source): + """Return (line_index, column_offset, line_contents).""" + line_index = result['line'] - 1 + return (line_index, + result['column'] - 1, + source[line_index]) + + +def get_fixed_long_line(target, previous_line, original, + indent_word=' ', max_line_length=79, + aggressive=False, experimental=False, verbose=False): + """Break up long line and return result. + + Do this by generating multiple reformatted candidates and then + ranking the candidates to heuristically select the best option. + + """ + indent = _get_indentation(target) + source = target[len(indent):] + assert source.lstrip() == source + assert not target.lstrip().startswith('#') + + # Check for partial multiline. + tokens = list(generate_tokens(source)) + + candidates = shorten_line( + tokens, source, indent, + indent_word, + max_line_length, + aggressive=aggressive, + experimental=experimental, + previous_line=previous_line) + + # Also sort alphabetically as a tie breaker (for determinism). + candidates = sorted( + sorted(set(candidates).union([target, original])), + key=lambda x: line_shortening_rank( + x, + indent_word, + max_line_length, + experimental=experimental)) + + if verbose >= 4: + print(('-' * 79 + '\n').join([''] + candidates + ['']), + file=wrap_output(sys.stderr, 'utf-8')) + + if candidates: + best_candidate = candidates[0] + + # Don't allow things to get longer. + if longest_line_length(best_candidate) > longest_line_length(original): + return None + + return best_candidate + + +def longest_line_length(code): + """Return length of longest line.""" + if len(code) == 0: + return 0 + return max(len(line) for line in code.splitlines()) + + +def join_logical_line(logical_line): + """Return single line based on logical line input.""" + indentation = _get_indentation(logical_line) + + return indentation + untokenize_without_newlines( + generate_tokens(logical_line.lstrip())) + '\n' + + +def untokenize_without_newlines(tokens): + """Return source code based on tokens.""" + text = '' + last_row = 0 + last_column = -1 + + for t in tokens: + token_string = t[1] + (start_row, start_column) = t[2] + (end_row, end_column) = t[3] + + if start_row > last_row: + last_column = 0 + if ( + (start_column > last_column or token_string == '\n') and + not text.endswith(' ') + ): + text += ' ' + + if token_string != '\n': + text += token_string + + last_row = end_row + last_column = end_column + + return text.rstrip() + + +def _find_logical(source_lines): + # Make a variable which is the index of all the starts of lines. + logical_start = [] + logical_end = [] + last_newline = True + parens = 0 + for t in generate_tokens(''.join(source_lines)): + if t[0] in [tokenize.COMMENT, tokenize.DEDENT, + tokenize.INDENT, tokenize.NL, + tokenize.ENDMARKER]: + continue + if not parens and t[0] in [tokenize.NEWLINE, tokenize.SEMI]: + last_newline = True + logical_end.append((t[3][0] - 1, t[2][1])) + continue + if last_newline and not parens: + logical_start.append((t[2][0] - 1, t[2][1])) + last_newline = False + if t[0] == tokenize.OP: + if t[1] in '([{': + parens += 1 + elif t[1] in '}])': + parens -= 1 + return (logical_start, logical_end) + + +def _get_logical(source_lines, result, logical_start, logical_end): + """Return the logical line corresponding to the result. + + Assumes input is already E702-clean. + + """ + row = result['line'] - 1 + col = result['column'] - 1 + ls = None + le = None + for i in range(0, len(logical_start), 1): + assert logical_end + x = logical_end[i] + if x[0] > row or (x[0] == row and x[1] > col): + le = x + ls = logical_start[i] + break + if ls is None: + return None + original = source_lines[ls[0]:le[0] + 1] + return ls, le, original + + +def get_item(items, index, default=None): + if 0 <= index < len(items): + return items[index] + + return default + + +def reindent(source, indent_size): + """Reindent all lines.""" + reindenter = Reindenter(source) + return reindenter.run(indent_size) + + +def code_almost_equal(a, b): + """Return True if code is similar. + + Ignore whitespace when comparing specific line. + + """ + split_a = split_and_strip_non_empty_lines(a) + split_b = split_and_strip_non_empty_lines(b) + + if len(split_a) != len(split_b): + return False + + for (index, _) in enumerate(split_a): + if ''.join(split_a[index].split()) != ''.join(split_b[index].split()): + return False + + return True + + +def split_and_strip_non_empty_lines(text): + """Return lines split by newline. + + Ignore empty lines. + + """ + return [line.strip() for line in text.splitlines() if line.strip()] + + +def fix_e265(source, aggressive=False): # pylint: disable=unused-argument + """Format block comments.""" + if '#' not in source: + # Optimization. + return source + + ignored_line_numbers = multiline_string_lines( + source, + include_docstrings=True) | set(commented_out_code_lines(source)) + + fixed_lines = [] + sio = io.StringIO(source) + for (line_number, line) in enumerate(sio.readlines(), start=1): + if ( + line.lstrip().startswith('#') and + line_number not in ignored_line_numbers and + not pycodestyle.noqa(line) + ): + indentation = _get_indentation(line) + line = line.lstrip() + + # Normalize beginning if not a shebang. + if len(line) > 1: + pos = next((index for index, c in enumerate(line) + if c != '#')) + if ( + # Leave multiple spaces like '# ' alone. + (line[:pos].count('#') > 1 or line[1].isalnum() or + not line[1].isspace()) and + line[1] not in ':!' and + # Leave stylistic outlined blocks alone. + not line.rstrip().endswith('#') + ): + line = '# ' + line.lstrip('# \t') + + fixed_lines.append(indentation + line) + else: + fixed_lines.append(line) + + return ''.join(fixed_lines) + + +def refactor(source, fixer_names, ignore=None, filename=''): + """Return refactored code using lib2to3. + + Skip if ignore string is produced in the refactored code. + + """ + not_found_end_of_file_newline = source and source.rstrip("\r\n") == source + if not_found_end_of_file_newline: + input_source = source + "\n" + else: + input_source = source + + from lib2to3 import pgen2 + try: + new_text = refactor_with_2to3(input_source, + fixer_names=fixer_names, + filename=filename) + except (pgen2.parse.ParseError, + SyntaxError, + UnicodeDecodeError, + UnicodeEncodeError): + return source + + if ignore: + if ignore in new_text and ignore not in source: + return source + + if not_found_end_of_file_newline: + return new_text.rstrip("\r\n") + + return new_text + + +def code_to_2to3(select, ignore, where='', verbose=False): + fixes = set() + for code, fix in CODE_TO_2TO3.items(): + if code_match(code, select=select, ignore=ignore): + if verbose: + print('---> Applying {} fix for {}'.format(where, + code.upper()), + file=sys.stderr) + fixes |= set(fix) + return fixes + + +def fix_2to3(source, + aggressive=True, select=None, ignore=None, filename='', + where='global', verbose=False): + """Fix various deprecated code (via lib2to3).""" + if not aggressive: + return source + + select = select or [] + ignore = ignore or [] + + return refactor(source, + code_to_2to3(select=select, + ignore=ignore, + where=where, + verbose=verbose), + filename=filename) + + +def fix_w602(source, aggressive=True): + """Fix deprecated form of raising exception.""" + if not aggressive: + return source + + return refactor(source, ['raise'], ignore='with_traceback') + + +def find_newline(source): + """Return type of newline used in source. + + Input is a list of lines. + + """ + assert not isinstance(source, unicode) + + counter = collections.defaultdict(int) + for line in source: + if line.endswith(CRLF): + counter[CRLF] += 1 + elif line.endswith(CR): + counter[CR] += 1 + elif line.endswith(LF): + counter[LF] += 1 + + return (sorted(counter, key=counter.get, reverse=True) or [LF])[0] + + +def _get_indentword(source): + """Return indentation type.""" + indent_word = ' ' # Default in case source has no indentation + try: + for t in generate_tokens(source): + if t[0] == token.INDENT: + indent_word = t[1] + break + except (SyntaxError, tokenize.TokenError): + pass + return indent_word + + +def _get_indentation(line): + """Return leading whitespace.""" + if line.strip(): + non_whitespace_index = len(line) - len(line.lstrip()) + return line[:non_whitespace_index] + + return '' + + +def get_diff_text(old, new, filename): + """Return text of unified diff between old and new.""" + newline = '\n' + diff = difflib.unified_diff( + old, new, + 'original/' + filename, + 'fixed/' + filename, + lineterm=newline) + + text = '' + for line in diff: + text += line + + # Work around missing newline (http://bugs.python.org/issue2142). + if text and not line.endswith(newline): + text += newline + r'\ No newline at end of file' + newline + + return text + + +def _priority_key(pep8_result): + """Key for sorting PEP8 results. + + Global fixes should be done first. This is important for things like + indentation. + + """ + priority = [ + # Fix multiline colon-based before semicolon based. + 'e701', + # Break multiline statements early. + 'e702', + # Things that make lines longer. + 'e225', 'e231', + # Remove extraneous whitespace before breaking lines. + 'e201', + # Shorten whitespace in comment before resorting to wrapping. + 'e262' + ] + middle_index = 10000 + lowest_priority = [ + # We need to shorten lines last since the logical fixer can get in a + # loop, which causes us to exit early. + 'e501', + ] + key = pep8_result['id'].lower() + try: + return priority.index(key) + except ValueError: + try: + return middle_index + lowest_priority.index(key) + 1 + except ValueError: + return middle_index + + +def shorten_line(tokens, source, indentation, indent_word, max_line_length, + aggressive=False, experimental=False, previous_line=''): + """Separate line at OPERATOR. + + Multiple candidates will be yielded. + + """ + for candidate in _shorten_line(tokens=tokens, + source=source, + indentation=indentation, + indent_word=indent_word, + aggressive=aggressive, + previous_line=previous_line): + yield candidate + + if aggressive: + for key_token_strings in SHORTEN_OPERATOR_GROUPS: + shortened = _shorten_line_at_tokens( + tokens=tokens, + source=source, + indentation=indentation, + indent_word=indent_word, + key_token_strings=key_token_strings, + aggressive=aggressive) + + if shortened is not None and shortened != source: + yield shortened + + if experimental: + for shortened in _shorten_line_at_tokens_new( + tokens=tokens, + source=source, + indentation=indentation, + max_line_length=max_line_length): + + yield shortened + + +def _shorten_line(tokens, source, indentation, indent_word, + aggressive=False, previous_line=''): + """Separate line at OPERATOR. + + The input is expected to be free of newlines except for inside multiline + strings and at the end. + + Multiple candidates will be yielded. + + """ + for (token_type, + token_string, + start_offset, + end_offset) in token_offsets(tokens): + + if ( + token_type == tokenize.COMMENT and + not is_probably_part_of_multiline(previous_line) and + not is_probably_part_of_multiline(source) and + not source[start_offset + 1:].strip().lower().startswith( + ('noqa', 'pragma:', 'pylint:')) + ): + # Move inline comments to previous line. + first = source[:start_offset] + second = source[start_offset:] + yield (indentation + second.strip() + '\n' + + indentation + first.strip() + '\n') + elif token_type == token.OP and token_string != '=': + # Don't break on '=' after keyword as this violates PEP 8. + + assert token_type != token.INDENT + + first = source[:end_offset] + + second_indent = indentation + if (first.rstrip().endswith('(') and + source[end_offset:].lstrip().startswith(')')): + pass + elif first.rstrip().endswith('('): + second_indent += indent_word + elif '(' in first: + second_indent += ' ' * (1 + first.find('(')) + else: + second_indent += indent_word + + second = (second_indent + source[end_offset:].lstrip()) + if ( + not second.strip() or + second.lstrip().startswith('#') + ): + continue + + # Do not begin a line with a comma + if second.lstrip().startswith(','): + continue + # Do end a line with a dot + if first.rstrip().endswith('.'): + continue + if token_string in '+-*/': + fixed = first + ' \\' + '\n' + second + else: + fixed = first + '\n' + second + + # Only fix if syntax is okay. + if check_syntax(normalize_multiline(fixed) + if aggressive else fixed): + yield indentation + fixed + + +def _is_binary_operator(token_type, text): + return ((token_type == tokenize.OP or text in ['and', 'or']) and + text not in '()[]{},:.;@=%~') + + +# A convenient way to handle tokens. +Token = collections.namedtuple('Token', ['token_type', 'token_string', + 'spos', 'epos', 'line']) + + +class ReformattedLines(object): + + """The reflowed lines of atoms. + + Each part of the line is represented as an "atom." They can be moved + around when need be to get the optimal formatting. + + """ + + ########################################################################### + # Private Classes + + class _Indent(object): + + """Represent an indentation in the atom stream.""" + + def __init__(self, indent_amt): + self._indent_amt = indent_amt + + def emit(self): + return ' ' * self._indent_amt + + @property + def size(self): + return self._indent_amt + + class _Space(object): + + """Represent a space in the atom stream.""" + + def emit(self): + return ' ' + + @property + def size(self): + return 1 + + class _LineBreak(object): + + """Represent a line break in the atom stream.""" + + def emit(self): + return '\n' + + @property + def size(self): + return 0 + + def __init__(self, max_line_length): + self._max_line_length = max_line_length + self._lines = [] + self._bracket_depth = 0 + self._prev_item = None + self._prev_prev_item = None + + def __repr__(self): + return self.emit() + + ########################################################################### + # Public Methods + + def add(self, obj, indent_amt, break_after_open_bracket): + if isinstance(obj, Atom): + self._add_item(obj, indent_amt) + return + + self._add_container(obj, indent_amt, break_after_open_bracket) + + def add_comment(self, item): + num_spaces = 2 + if len(self._lines) > 1: + if isinstance(self._lines[-1], self._Space): + num_spaces -= 1 + if len(self._lines) > 2: + if isinstance(self._lines[-2], self._Space): + num_spaces -= 1 + + while num_spaces > 0: + self._lines.append(self._Space()) + num_spaces -= 1 + self._lines.append(item) + + def add_indent(self, indent_amt): + self._lines.append(self._Indent(indent_amt)) + + def add_line_break(self, indent): + self._lines.append(self._LineBreak()) + self.add_indent(len(indent)) + + def add_line_break_at(self, index, indent_amt): + self._lines.insert(index, self._LineBreak()) + self._lines.insert(index + 1, self._Indent(indent_amt)) + + def add_space_if_needed(self, curr_text, equal=False): + if ( + not self._lines or isinstance( + self._lines[-1], (self._LineBreak, self._Indent, self._Space)) + ): + return + + prev_text = unicode(self._prev_item) + prev_prev_text = ( + unicode(self._prev_prev_item) if self._prev_prev_item else '') + + if ( + # The previous item was a keyword or identifier and the current + # item isn't an operator that doesn't require a space. + ((self._prev_item.is_keyword or self._prev_item.is_string or + self._prev_item.is_name or self._prev_item.is_number) and + (curr_text[0] not in '([{.,:}])' or + (curr_text[0] == '=' and equal))) or + + # Don't place spaces around a '.', unless it's in an 'import' + # statement. + ((prev_prev_text != 'from' and prev_text[-1] != '.' and + curr_text != 'import') and + + # Don't place a space before a colon. + curr_text[0] != ':' and + + # Don't split up ending brackets by spaces. + ((prev_text[-1] in '}])' and curr_text[0] not in '.,}])') or + + # Put a space after a colon or comma. + prev_text[-1] in ':,' or + + # Put space around '=' if asked to. + (equal and prev_text == '=') or + + # Put spaces around non-unary arithmetic operators. + ((self._prev_prev_item and + (prev_text not in '+-' and + (self._prev_prev_item.is_name or + self._prev_prev_item.is_number or + self._prev_prev_item.is_string)) and + prev_text in ('+', '-', '%', '*', '/', '//', '**', 'in'))))) + ): + self._lines.append(self._Space()) + + def previous_item(self): + """Return the previous non-whitespace item.""" + return self._prev_item + + def fits_on_current_line(self, item_extent): + return self.current_size() + item_extent <= self._max_line_length + + def current_size(self): + """The size of the current line minus the indentation.""" + size = 0 + for item in reversed(self._lines): + size += item.size + if isinstance(item, self._LineBreak): + break + + return size + + def line_empty(self): + return (self._lines and + isinstance(self._lines[-1], + (self._LineBreak, self._Indent))) + + def emit(self): + string = '' + for item in self._lines: + if isinstance(item, self._LineBreak): + string = string.rstrip() + string += item.emit() + + return string.rstrip() + '\n' + + ########################################################################### + # Private Methods + + def _add_item(self, item, indent_amt): + """Add an item to the line. + + Reflow the line to get the best formatting after the item is + inserted. The bracket depth indicates if the item is being + inserted inside of a container or not. + + """ + if self._prev_item and self._prev_item.is_string and item.is_string: + # Place consecutive string literals on separate lines. + self._lines.append(self._LineBreak()) + self._lines.append(self._Indent(indent_amt)) + + item_text = unicode(item) + if self._lines and self._bracket_depth: + # Adding the item into a container. + self._prevent_default_initializer_splitting(item, indent_amt) + + if item_text in '.,)]}': + self._split_after_delimiter(item, indent_amt) + + elif self._lines and not self.line_empty(): + # Adding the item outside of a container. + if self.fits_on_current_line(len(item_text)): + self._enforce_space(item) + + else: + # Line break for the new item. + self._lines.append(self._LineBreak()) + self._lines.append(self._Indent(indent_amt)) + + self._lines.append(item) + self._prev_item, self._prev_prev_item = item, self._prev_item + + if item_text in '([{': + self._bracket_depth += 1 + + elif item_text in '}])': + self._bracket_depth -= 1 + assert self._bracket_depth >= 0 + + def _add_container(self, container, indent_amt, break_after_open_bracket): + actual_indent = indent_amt + 1 + + if ( + unicode(self._prev_item) != '=' and + not self.line_empty() and + not self.fits_on_current_line( + container.size + self._bracket_depth + 2) + ): + + if unicode(container)[0] == '(' and self._prev_item.is_name: + # Don't split before the opening bracket of a call. + break_after_open_bracket = True + actual_indent = indent_amt + 4 + elif ( + break_after_open_bracket or + unicode(self._prev_item) not in '([{' + ): + # If the container doesn't fit on the current line and the + # current line isn't empty, place the container on the next + # line. + self._lines.append(self._LineBreak()) + self._lines.append(self._Indent(indent_amt)) + break_after_open_bracket = False + else: + actual_indent = self.current_size() + 1 + break_after_open_bracket = False + + if isinstance(container, (ListComprehension, IfExpression)): + actual_indent = indent_amt + + # Increase the continued indentation only if recursing on a + # container. + container.reflow(self, ' ' * actual_indent, + break_after_open_bracket=break_after_open_bracket) + + def _prevent_default_initializer_splitting(self, item, indent_amt): + """Prevent splitting between a default initializer. + + When there is a default initializer, it's best to keep it all on + the same line. It's nicer and more readable, even if it goes + over the maximum allowable line length. This goes back along the + current line to determine if we have a default initializer, and, + if so, to remove extraneous whitespaces and add a line + break/indent before it if needed. + + """ + if unicode(item) == '=': + # This is the assignment in the initializer. Just remove spaces for + # now. + self._delete_whitespace() + return + + if (not self._prev_item or not self._prev_prev_item or + unicode(self._prev_item) != '='): + return + + self._delete_whitespace() + prev_prev_index = self._lines.index(self._prev_prev_item) + + if ( + isinstance(self._lines[prev_prev_index - 1], self._Indent) or + self.fits_on_current_line(item.size + 1) + ): + # The default initializer is already the only item on this line. + # Don't insert a newline here. + return + + # Replace the space with a newline/indent combo. + if isinstance(self._lines[prev_prev_index - 1], self._Space): + del self._lines[prev_prev_index - 1] + + self.add_line_break_at(self._lines.index(self._prev_prev_item), + indent_amt) + + def _split_after_delimiter(self, item, indent_amt): + """Split the line only after a delimiter.""" + self._delete_whitespace() + + if self.fits_on_current_line(item.size): + return + + last_space = None + for current_item in reversed(self._lines): + if ( + last_space and + (not isinstance(current_item, Atom) or + not current_item.is_colon) + ): + break + else: + last_space = None + if isinstance(current_item, self._Space): + last_space = current_item + if isinstance(current_item, (self._LineBreak, self._Indent)): + return + + if not last_space: + return + + self.add_line_break_at(self._lines.index(last_space), indent_amt) + + def _enforce_space(self, item): + """Enforce a space in certain situations. + + There are cases where we will want a space where normally we + wouldn't put one. This just enforces the addition of a space. + + """ + if isinstance(self._lines[-1], + (self._Space, self._LineBreak, self._Indent)): + return + + if not self._prev_item: + return + + item_text = unicode(item) + prev_text = unicode(self._prev_item) + + # Prefer a space around a '.' in an import statement, and between the + # 'import' and '('. + if ( + (item_text == '.' and prev_text == 'from') or + (item_text == 'import' and prev_text == '.') or + (item_text == '(' and prev_text == 'import') + ): + self._lines.append(self._Space()) + + def _delete_whitespace(self): + """Delete all whitespace from the end of the line.""" + while isinstance(self._lines[-1], (self._Space, self._LineBreak, + self._Indent)): + del self._lines[-1] + + +class Atom(object): + + """The smallest unbreakable unit that can be reflowed.""" + + def __init__(self, atom): + self._atom = atom + + def __repr__(self): + return self._atom.token_string + + def __len__(self): + return self.size + + def reflow( + self, reflowed_lines, continued_indent, extent, + break_after_open_bracket=False, + is_list_comp_or_if_expr=False, + next_is_dot=False + ): + if self._atom.token_type == tokenize.COMMENT: + reflowed_lines.add_comment(self) + return + + total_size = extent if extent else self.size + + if self._atom.token_string not in ',:([{}])': + # Some atoms will need an extra 1-sized space token after them. + total_size += 1 + + prev_item = reflowed_lines.previous_item() + if ( + not is_list_comp_or_if_expr and + not reflowed_lines.fits_on_current_line(total_size) and + not (next_is_dot and + reflowed_lines.fits_on_current_line(self.size + 1)) and + not reflowed_lines.line_empty() and + not self.is_colon and + not (prev_item and prev_item.is_name and + unicode(self) == '(') + ): + # Start a new line if there is already something on the line and + # adding this atom would make it go over the max line length. + reflowed_lines.add_line_break(continued_indent) + else: + reflowed_lines.add_space_if_needed(unicode(self)) + + reflowed_lines.add(self, len(continued_indent), + break_after_open_bracket) + + def emit(self): + return self.__repr__() + + @property + def is_keyword(self): + return keyword.iskeyword(self._atom.token_string) + + @property + def is_string(self): + return self._atom.token_type == tokenize.STRING + + @property + def is_name(self): + return self._atom.token_type == tokenize.NAME + + @property + def is_number(self): + return self._atom.token_type == tokenize.NUMBER + + @property + def is_comma(self): + return self._atom.token_string == ',' + + @property + def is_colon(self): + return self._atom.token_string == ':' + + @property + def size(self): + return len(self._atom.token_string) + + +class Container(object): + + """Base class for all container types.""" + + def __init__(self, items): + self._items = items + + def __repr__(self): + string = '' + last_was_keyword = False + + for item in self._items: + if item.is_comma: + string += ', ' + elif item.is_colon: + string += ': ' + else: + item_string = unicode(item) + if ( + string and + (last_was_keyword or + (not string.endswith(tuple('([{,.:}]) ')) and + not item_string.startswith(tuple('([{,.:}])')))) + ): + string += ' ' + string += item_string + + last_was_keyword = item.is_keyword + return string + + def __iter__(self): + for element in self._items: + yield element + + def __getitem__(self, idx): + return self._items[idx] + + def reflow(self, reflowed_lines, continued_indent, + break_after_open_bracket=False): + last_was_container = False + for (index, item) in enumerate(self._items): + next_item = get_item(self._items, index + 1) + + if isinstance(item, Atom): + is_list_comp_or_if_expr = ( + isinstance(self, (ListComprehension, IfExpression))) + item.reflow(reflowed_lines, continued_indent, + self._get_extent(index), + is_list_comp_or_if_expr=is_list_comp_or_if_expr, + next_is_dot=(next_item and + unicode(next_item) == '.')) + if last_was_container and item.is_comma: + reflowed_lines.add_line_break(continued_indent) + last_was_container = False + else: # isinstance(item, Container) + reflowed_lines.add(item, len(continued_indent), + break_after_open_bracket) + last_was_container = not isinstance(item, (ListComprehension, + IfExpression)) + + if ( + break_after_open_bracket and index == 0 and + # Prefer to keep empty containers together instead of + # separating them. + unicode(item) == self.open_bracket and + (not next_item or unicode(next_item) != self.close_bracket) and + (len(self._items) != 3 or not isinstance(next_item, Atom)) + ): + reflowed_lines.add_line_break(continued_indent) + break_after_open_bracket = False + else: + next_next_item = get_item(self._items, index + 2) + if ( + unicode(item) not in ['.', '%', 'in'] and + next_item and not isinstance(next_item, Container) and + unicode(next_item) != ':' and + next_next_item and (not isinstance(next_next_item, Atom) or + unicode(next_item) == 'not') and + not reflowed_lines.line_empty() and + not reflowed_lines.fits_on_current_line( + self._get_extent(index + 1) + 2) + ): + reflowed_lines.add_line_break(continued_indent) + + def _get_extent(self, index): + """The extent of the full element. + + E.g., the length of a function call or keyword. + + """ + extent = 0 + prev_item = get_item(self._items, index - 1) + seen_dot = prev_item and unicode(prev_item) == '.' + while index < len(self._items): + item = get_item(self._items, index) + index += 1 + + if isinstance(item, (ListComprehension, IfExpression)): + break + + if isinstance(item, Container): + if prev_item and prev_item.is_name: + if seen_dot: + extent += 1 + else: + extent += item.size + + prev_item = item + continue + elif (unicode(item) not in ['.', '=', ':', 'not'] and + not item.is_name and not item.is_string): + break + + if unicode(item) == '.': + seen_dot = True + + extent += item.size + prev_item = item + + return extent + + @property + def is_string(self): + return False + + @property + def size(self): + return len(self.__repr__()) + + @property + def is_keyword(self): + return False + + @property + def is_name(self): + return False + + @property + def is_comma(self): + return False + + @property + def is_colon(self): + return False + + @property + def open_bracket(self): + return None + + @property + def close_bracket(self): + return None + + +class Tuple(Container): + + """A high-level representation of a tuple.""" + + @property + def open_bracket(self): + return '(' + + @property + def close_bracket(self): + return ')' + + +class List(Container): + + """A high-level representation of a list.""" + + @property + def open_bracket(self): + return '[' + + @property + def close_bracket(self): + return ']' + + +class DictOrSet(Container): + + """A high-level representation of a dictionary or set.""" + + @property + def open_bracket(self): + return '{' + + @property + def close_bracket(self): + return '}' + + +class ListComprehension(Container): + + """A high-level representation of a list comprehension.""" + + @property + def size(self): + length = 0 + for item in self._items: + if isinstance(item, IfExpression): + break + length += item.size + return length + + +class IfExpression(Container): + + """A high-level representation of an if-expression.""" + + +def _parse_container(tokens, index, for_or_if=None): + """Parse a high-level container, such as a list, tuple, etc.""" + + # Store the opening bracket. + items = [Atom(Token(*tokens[index]))] + index += 1 + + num_tokens = len(tokens) + while index < num_tokens: + tok = Token(*tokens[index]) + + if tok.token_string in ',)]}': + # First check if we're at the end of a list comprehension or + # if-expression. Don't add the ending token as part of the list + # comprehension or if-expression, because they aren't part of those + # constructs. + if for_or_if == 'for': + return (ListComprehension(items), index - 1) + + elif for_or_if == 'if': + return (IfExpression(items), index - 1) + + # We've reached the end of a container. + items.append(Atom(tok)) + + # If not, then we are at the end of a container. + if tok.token_string == ')': + # The end of a tuple. + return (Tuple(items), index) + + elif tok.token_string == ']': + # The end of a list. + return (List(items), index) + + elif tok.token_string == '}': + # The end of a dictionary or set. + return (DictOrSet(items), index) + + elif tok.token_string in '([{': + # A sub-container is being defined. + (container, index) = _parse_container(tokens, index) + items.append(container) + + elif tok.token_string == 'for': + (container, index) = _parse_container(tokens, index, 'for') + items.append(container) + + elif tok.token_string == 'if': + (container, index) = _parse_container(tokens, index, 'if') + items.append(container) + + else: + items.append(Atom(tok)) + + index += 1 + + return (None, None) + + +def _parse_tokens(tokens): + """Parse the tokens. + + This converts the tokens into a form where we can manipulate them + more easily. + + """ + + index = 0 + parsed_tokens = [] + + num_tokens = len(tokens) + while index < num_tokens: + tok = Token(*tokens[index]) + + assert tok.token_type != token.INDENT + if tok.token_type == tokenize.NEWLINE: + # There's only one newline and it's at the end. + break + + if tok.token_string in '([{': + (container, index) = _parse_container(tokens, index) + if not container: + return None + parsed_tokens.append(container) + else: + parsed_tokens.append(Atom(tok)) + + index += 1 + + return parsed_tokens + + +def _reflow_lines(parsed_tokens, indentation, max_line_length, + start_on_prefix_line): + """Reflow the lines so that it looks nice.""" + + if unicode(parsed_tokens[0]) == 'def': + # A function definition gets indented a bit more. + continued_indent = indentation + ' ' * 2 * DEFAULT_INDENT_SIZE + else: + continued_indent = indentation + ' ' * DEFAULT_INDENT_SIZE + + break_after_open_bracket = not start_on_prefix_line + + lines = ReformattedLines(max_line_length) + lines.add_indent(len(indentation.lstrip('\r\n'))) + + if not start_on_prefix_line: + # If splitting after the opening bracket will cause the first element + # to be aligned weirdly, don't try it. + first_token = get_item(parsed_tokens, 0) + second_token = get_item(parsed_tokens, 1) + + if ( + first_token and second_token and + unicode(second_token)[0] == '(' and + len(indentation) + len(first_token) + 1 == len(continued_indent) + ): + return None + + for item in parsed_tokens: + lines.add_space_if_needed(unicode(item), equal=True) + + save_continued_indent = continued_indent + if start_on_prefix_line and isinstance(item, Container): + start_on_prefix_line = False + continued_indent = ' ' * (lines.current_size() + 1) + + item.reflow(lines, continued_indent, break_after_open_bracket) + continued_indent = save_continued_indent + + return lines.emit() + + +def _shorten_line_at_tokens_new(tokens, source, indentation, + max_line_length): + """Shorten the line taking its length into account. + + The input is expected to be free of newlines except for inside + multiline strings and at the end. + + """ + # Yield the original source so to see if it's a better choice than the + # shortened candidate lines we generate here. + yield indentation + source + + parsed_tokens = _parse_tokens(tokens) + + if parsed_tokens: + # Perform two reflows. The first one starts on the same line as the + # prefix. The second starts on the line after the prefix. + fixed = _reflow_lines(parsed_tokens, indentation, max_line_length, + start_on_prefix_line=True) + if fixed and check_syntax(normalize_multiline(fixed.lstrip())): + yield fixed + + fixed = _reflow_lines(parsed_tokens, indentation, max_line_length, + start_on_prefix_line=False) + if fixed and check_syntax(normalize_multiline(fixed.lstrip())): + yield fixed + + +def _shorten_line_at_tokens(tokens, source, indentation, indent_word, + key_token_strings, aggressive): + """Separate line by breaking at tokens in key_token_strings. + + The input is expected to be free of newlines except for inside + multiline strings and at the end. + + """ + offsets = [] + for (index, _t) in enumerate(token_offsets(tokens)): + (token_type, + token_string, + start_offset, + end_offset) = _t + + assert token_type != token.INDENT + + if token_string in key_token_strings: + # Do not break in containers with zero or one items. + unwanted_next_token = { + '(': ')', + '[': ']', + '{': '}'}.get(token_string) + if unwanted_next_token: + if ( + get_item(tokens, + index + 1, + default=[None, None])[1] == unwanted_next_token or + get_item(tokens, + index + 2, + default=[None, None])[1] == unwanted_next_token + ): + continue + + if ( + index > 2 and token_string == '(' and + tokens[index - 1][1] in ',(%[' + ): + # Don't split after a tuple start, or before a tuple start if + # the tuple is in a list. + continue + + if end_offset < len(source) - 1: + # Don't split right before newline. + offsets.append(end_offset) + else: + # Break at adjacent strings. These were probably meant to be on + # separate lines in the first place. + previous_token = get_item(tokens, index - 1) + if ( + token_type == tokenize.STRING and + previous_token and previous_token[0] == tokenize.STRING + ): + offsets.append(start_offset) + + current_indent = None + fixed = None + for line in split_at_offsets(source, offsets): + if fixed: + fixed += '\n' + current_indent + line + + for symbol in '([{': + if line.endswith(symbol): + current_indent += indent_word + else: + # First line. + fixed = line + assert not current_indent + current_indent = indent_word + + assert fixed is not None + + if check_syntax(normalize_multiline(fixed) + if aggressive > 1 else fixed): + return indentation + fixed + + return None + + +def token_offsets(tokens): + """Yield tokens and offsets.""" + end_offset = 0 + previous_end_row = 0 + previous_end_column = 0 + for t in tokens: + token_type = t[0] + token_string = t[1] + (start_row, start_column) = t[2] + (end_row, end_column) = t[3] + + # Account for the whitespace between tokens. + end_offset += start_column + if previous_end_row == start_row: + end_offset -= previous_end_column + + # Record the start offset of the token. + start_offset = end_offset + + # Account for the length of the token itself. + end_offset += len(token_string) + + yield (token_type, + token_string, + start_offset, + end_offset) + + previous_end_row = end_row + previous_end_column = end_column + + +def normalize_multiline(line): + """Normalize multiline-related code that will cause syntax error. + + This is for purposes of checking syntax. + + """ + if line.startswith('def ') and line.rstrip().endswith(':'): + return line + ' pass' + elif line.startswith('return '): + return 'def _(): ' + line + elif line.startswith('@'): + return line + 'def _(): pass' + elif line.startswith('class '): + return line + ' pass' + elif line.startswith(('if ', 'elif ', 'for ', 'while ')): + return line + ' pass' + + return line + + +def fix_whitespace(line, offset, replacement): + """Replace whitespace at offset and return fixed line.""" + # Replace escaped newlines too + left = line[:offset].rstrip('\n\r \t\\') + right = line[offset:].lstrip('\n\r \t\\') + if right.startswith('#'): + return line + + return left + replacement + right + + +def _execute_pep8(pep8_options, source): + """Execute pycodestyle via python method calls.""" + class QuietReport(pycodestyle.BaseReport): + + """Version of checker that does not print.""" + + def __init__(self, options): + super(QuietReport, self).__init__(options) + self.__full_error_results = [] + + def error(self, line_number, offset, text, check): + """Collect errors.""" + code = super(QuietReport, self).error(line_number, + offset, + text, + check) + if code: + self.__full_error_results.append( + {'id': code, + 'line': line_number, + 'column': offset + 1, + 'info': text}) + + def full_error_results(self): + """Return error results in detail. + + Results are in the form of a list of dictionaries. Each + dictionary contains 'id', 'line', 'column', and 'info'. + + """ + return self.__full_error_results + + checker = pycodestyle.Checker('', lines=source, reporter=QuietReport, + **pep8_options) + checker.check_all() + return checker.report.full_error_results() + + +def _remove_leading_and_normalize(line, with_rstrip=True): + # ignore FF in first lstrip() + if with_rstrip: + return line.lstrip(' \t\v').rstrip(CR + LF) + '\n' + return line.lstrip(' \t\v') + + +class Reindenter(object): + + """Reindents badly-indented code to uniformly use four-space indentation. + + Released to the public domain, by Tim Peters, 03 October 2000. + + """ + + def __init__(self, input_text): + sio = io.StringIO(input_text) + source_lines = sio.readlines() + + self.string_content_line_numbers = multiline_string_lines(input_text) + + # File lines, rstripped & tab-expanded. Dummy at start is so + # that we can use tokenize's 1-based line numbering easily. + # Note that a line is all-blank iff it is a newline. + self.lines = [] + for line_number, line in enumerate(source_lines, start=1): + # Do not modify if inside a multiline string. + if line_number in self.string_content_line_numbers: + self.lines.append(line) + else: + # Only expand leading tabs. + with_rstrip = line_number != len(source_lines) + self.lines.append( + _get_indentation(line).expandtabs() + + _remove_leading_and_normalize(line, with_rstrip) + ) + + self.lines.insert(0, None) + self.index = 1 # index into self.lines of next line + self.input_text = input_text + + def run(self, indent_size=DEFAULT_INDENT_SIZE): + """Fix indentation and return modified line numbers. + + Line numbers are indexed at 1. + + """ + if indent_size < 1: + return self.input_text + + try: + stats = _reindent_stats(tokenize.generate_tokens(self.getline)) + except (SyntaxError, tokenize.TokenError): + return self.input_text + # Remove trailing empty lines. + lines = self.lines + # Sentinel. + stats.append((len(lines), 0)) + # Map count of leading spaces to # we want. + have2want = {} + # Program after transformation. + after = [] + # Copy over initial empty lines -- there's nothing to do until + # we see a line with *something* on it. + i = stats[0][0] + after.extend(lines[1:i]) + for i in range(len(stats) - 1): + thisstmt, thislevel = stats[i] + nextstmt = stats[i + 1][0] + have = _leading_space_count(lines[thisstmt]) + want = thislevel * indent_size + if want < 0: + # A comment line. + if have: + # An indented comment line. If we saw the same + # indentation before, reuse what it most recently + # mapped to. + want = have2want.get(have, -1) + if want < 0: + # Then it probably belongs to the next real stmt. + for j in range(i + 1, len(stats) - 1): + jline, jlevel = stats[j] + if jlevel >= 0: + if have == _leading_space_count(lines[jline]): + want = jlevel * indent_size + break + # Maybe it's a hanging comment like this one, + if want < 0: + # in which case we should shift it like its base + # line got shifted. + for j in range(i - 1, -1, -1): + jline, jlevel = stats[j] + if jlevel >= 0: + want = (have + _leading_space_count( + after[jline - 1]) - + _leading_space_count(lines[jline])) + break + if want < 0: + # Still no luck -- leave it alone. + want = have + else: + want = 0 + assert want >= 0 + have2want[have] = want + diff = want - have + if diff == 0 or have == 0: + after.extend(lines[thisstmt:nextstmt]) + else: + for line_number, line in enumerate(lines[thisstmt:nextstmt], + start=thisstmt): + if line_number in self.string_content_line_numbers: + after.append(line) + elif diff > 0: + if line == '\n': + after.append(line) + else: + after.append(' ' * diff + line) + else: + remove = min(_leading_space_count(line), -diff) + after.append(line[remove:]) + + return ''.join(after) + + def getline(self): + """Line-getter for tokenize.""" + if self.index >= len(self.lines): + line = '' + else: + line = self.lines[self.index] + self.index += 1 + return line + + +def _reindent_stats(tokens): + """Return list of (lineno, indentlevel) pairs. + + One for each stmt and comment line. indentlevel is -1 for comment + lines, as a signal that tokenize doesn't know what to do about them; + indeed, they're our headache! + + """ + find_stmt = 1 # Next token begins a fresh stmt? + level = 0 # Current indent level. + stats = [] + + for t in tokens: + token_type = t[0] + sline = t[2][0] + line = t[4] + + if token_type == tokenize.NEWLINE: + # A program statement, or ENDMARKER, will eventually follow, + # after some (possibly empty) run of tokens of the form + # (NL | COMMENT)* (INDENT | DEDENT+)? + find_stmt = 1 + + elif token_type == tokenize.INDENT: + find_stmt = 1 + level += 1 + + elif token_type == tokenize.DEDENT: + find_stmt = 1 + level -= 1 + + elif token_type == tokenize.COMMENT: + if find_stmt: + stats.append((sline, -1)) + # But we're still looking for a new stmt, so leave + # find_stmt alone. + + elif token_type == tokenize.NL: + pass + + elif find_stmt: + # This is the first "real token" following a NEWLINE, so it + # must be the first token of the next program statement, or an + # ENDMARKER. + find_stmt = 0 + if line: # Not endmarker. + stats.append((sline, level)) + + return stats + + +def _leading_space_count(line): + """Return number of leading spaces in line.""" + i = 0 + while i < len(line) and line[i] == ' ': + i += 1 + return i + + +def refactor_with_2to3(source_text, fixer_names, filename=''): + """Use lib2to3 to refactor the source. + + Return the refactored source code. + + """ + from lib2to3.refactor import RefactoringTool + fixers = ['lib2to3.fixes.fix_' + name for name in fixer_names] + tool = RefactoringTool(fixer_names=fixers, explicit=fixers) + + from lib2to3.pgen2 import tokenize as lib2to3_tokenize + try: + # The name parameter is necessary particularly for the "import" fixer. + return unicode(tool.refactor_string(source_text, name=filename)) + except lib2to3_tokenize.TokenError: + return source_text + + +def check_syntax(code): + """Return True if syntax is okay.""" + try: + return compile(code, '', 'exec', dont_inherit=True) + except (SyntaxError, TypeError, ValueError): + return False + + +def find_with_line_numbers(pattern, contents): + """A wrapper around 're.finditer' to find line numbers. + + Returns a list of line numbers where pattern was found in contents. + """ + matches = list(re.finditer(pattern, contents)) + if not matches: + return [] + + end = matches[-1].start() + + # -1 so a failed `rfind` maps to the first line. + newline_offsets = { + -1: 0 + } + for line_num, m in enumerate(re.finditer(r'\n', contents), 1): + offset = m.start() + if offset > end: + break + newline_offsets[offset] = line_num + + def get_line_num(match, contents): + """Get the line number of string in a files contents. + + Failing to find the newline is OK, -1 maps to 0 + + """ + newline_offset = contents.rfind('\n', 0, match.start()) + return newline_offsets[newline_offset] + + return [get_line_num(match, contents) + 1 for match in matches] + + +def get_disabled_ranges(source): + """Returns a list of tuples representing the disabled ranges. + + If disabled and no re-enable will disable for rest of file. + + """ + enable_line_nums = find_with_line_numbers(ENABLE_REGEX, source) + disable_line_nums = find_with_line_numbers(DISABLE_REGEX, source) + total_lines = len(re.findall("\n", source)) + 1 + + enable_commands = {} + for num in enable_line_nums: + enable_commands[num] = True + for num in disable_line_nums: + enable_commands[num] = False + + disabled_ranges = [] + currently_enabled = True + disabled_start = None + + for line, commanded_enabled in sorted(enable_commands.items()): + if commanded_enabled is False and currently_enabled is True: + disabled_start = line + currently_enabled = False + elif commanded_enabled is True and currently_enabled is False: + disabled_ranges.append((disabled_start, line)) + currently_enabled = True + + if currently_enabled is False: + disabled_ranges.append((disabled_start, total_lines)) + + return disabled_ranges + + +def filter_disabled_results(result, disabled_ranges): + """Filter out reports based on tuple of disabled ranges. + + """ + line = result['line'] + for disabled_range in disabled_ranges: + if disabled_range[0] <= line <= disabled_range[1]: + return False + return True + + +def filter_results(source, results, aggressive): + """Filter out spurious reports from pycodestyle. + + If aggressive is True, we allow possibly unsafe fixes (E711, E712). + + """ + non_docstring_string_line_numbers = multiline_string_lines( + source, include_docstrings=False) + all_string_line_numbers = multiline_string_lines( + source, include_docstrings=True) + + commented_out_code_line_numbers = commented_out_code_lines(source) + + # Filter out the disabled ranges + disabled_ranges = get_disabled_ranges(source) + if disabled_ranges: + results = [ + result for result in results if filter_disabled_results( + result, + disabled_ranges, + ) + ] + + has_e901 = any(result['id'].lower() == 'e901' for result in results) + + for r in results: + issue_id = r['id'].lower() + + if r['line'] in non_docstring_string_line_numbers: + if issue_id.startswith(('e1', 'e501', 'w191')): + continue + + if r['line'] in all_string_line_numbers: + if issue_id in ['e501']: + continue + + # We must offset by 1 for lines that contain the trailing contents of + # multiline strings. + if not aggressive and (r['line'] + 1) in all_string_line_numbers: + # Do not modify multiline strings in non-aggressive mode. Remove + # trailing whitespace could break doctests. + if issue_id.startswith(('w29', 'w39')): + continue + + if aggressive <= 0: + if issue_id.startswith(('e711', 'e72', 'w6')): + continue + + if aggressive <= 1: + if issue_id.startswith(('e712', 'e713', 'e714')): + continue + + if aggressive <= 2: + if issue_id.startswith(('e704')): + continue + + if r['line'] in commented_out_code_line_numbers: + if issue_id.startswith(('e26', 'e501')): + continue + + # Do not touch indentation if there is a token error caused by + # incomplete multi-line statement. Otherwise, we risk screwing up the + # indentation. + if has_e901: + if issue_id.startswith(('e1', 'e7')): + continue + + yield r + + +def multiline_string_lines(source, include_docstrings=False): + """Return line numbers that are within multiline strings. + + The line numbers are indexed at 1. + + Docstrings are ignored. + + """ + line_numbers = set() + previous_token_type = '' + try: + for t in generate_tokens(source): + token_type = t[0] + start_row = t[2][0] + end_row = t[3][0] + + if token_type == tokenize.STRING and start_row != end_row: + if ( + include_docstrings or + previous_token_type != tokenize.INDENT + ): + # We increment by one since we want the contents of the + # string. + line_numbers |= set(range(1 + start_row, 1 + end_row)) + + previous_token_type = token_type + except (SyntaxError, tokenize.TokenError): + pass + + return line_numbers + + +def commented_out_code_lines(source): + """Return line numbers of comments that are likely code. + + Commented-out code is bad practice, but modifying it just adds even + more clutter. + + """ + line_numbers = [] + try: + for t in generate_tokens(source): + token_type = t[0] + token_string = t[1] + start_row = t[2][0] + line = t[4] + + # Ignore inline comments. + if not line.lstrip().startswith('#'): + continue + + if token_type == tokenize.COMMENT: + stripped_line = token_string.lstrip('#').strip() + with warnings.catch_warnings(): + # ignore SyntaxWarning in Python3.8+ + # refs: + # https://bugs.python.org/issue15248 + # https://docs.python.org/3.8/whatsnew/3.8.html#other-language-changes + warnings.filterwarnings("ignore", category=SyntaxWarning) + if ( + ' ' in stripped_line and + '#' not in stripped_line and + check_syntax(stripped_line) + ): + line_numbers.append(start_row) + except (SyntaxError, tokenize.TokenError): + pass + + return line_numbers + + +def shorten_comment(line, max_line_length, last_comment=False): + """Return trimmed or split long comment line. + + If there are no comments immediately following it, do a text wrap. + Doing this wrapping on all comments in general would lead to jagged + comment text. + + """ + assert len(line) > max_line_length + line = line.rstrip() + + # PEP 8 recommends 72 characters for comment text. + indentation = _get_indentation(line) + '# ' + max_line_length = min(max_line_length, + len(indentation) + 72) + + MIN_CHARACTER_REPEAT = 5 + if ( + len(line) - len(line.rstrip(line[-1])) >= MIN_CHARACTER_REPEAT and + not line[-1].isalnum() + ): + # Trim comments that end with things like --------- + return line[:max_line_length] + '\n' + elif last_comment and re.match(r'\s*#+\s*\w+', line): + split_lines = textwrap.wrap(line.lstrip(' \t#'), + initial_indent=indentation, + subsequent_indent=indentation, + width=max_line_length, + break_long_words=False, + break_on_hyphens=False) + return '\n'.join(split_lines) + '\n' + + return line + '\n' + + +def normalize_line_endings(lines, newline): + """Return fixed line endings. + + All lines will be modified to use the most common line ending. + """ + line = [line.rstrip('\n\r') + newline for line in lines] + if line and lines[-1] == lines[-1].rstrip('\n\r'): + line[-1] = line[-1].rstrip('\n\r') + return line + + +def mutual_startswith(a, b): + return b.startswith(a) or a.startswith(b) + + +def code_match(code, select, ignore): + if ignore: + assert not isinstance(ignore, unicode) + for ignored_code in [c.strip() for c in ignore]: + if mutual_startswith(code.lower(), ignored_code.lower()): + return False + + if select: + assert not isinstance(select, unicode) + for selected_code in [c.strip() for c in select]: + if mutual_startswith(code.lower(), selected_code.lower()): + return True + return False + + return True + + +def fix_code(source, options=None, encoding=None, apply_config=False): + """Return fixed source code. + + "encoding" will be used to decode "source" if it is a byte string. + + """ + options = _get_options(options, apply_config) + + if not isinstance(source, unicode): + source = source.decode(encoding or get_encoding()) + + sio = io.StringIO(source) + return fix_lines(sio.readlines(), options=options) + + +def _get_options(raw_options, apply_config): + """Return parsed options.""" + if not raw_options: + return parse_args([''], apply_config=apply_config) + + if isinstance(raw_options, dict): + options = parse_args([''], apply_config=apply_config) + for name, value in raw_options.items(): + if not hasattr(options, name): + raise ValueError("No such option '{}'".format(name)) + + # Check for very basic type errors. + expected_type = type(getattr(options, name)) + if not isinstance(expected_type, (str, unicode)): + if isinstance(value, (str, unicode)): + raise ValueError( + "Option '{}' should not be a string".format(name)) + setattr(options, name, value) + else: + options = raw_options + + return options + + +def fix_lines(source_lines, options, filename=''): + """Return fixed source code.""" + # Transform everything to line feed. Then change them back to original + # before returning fixed source code. + original_newline = find_newline(source_lines) + tmp_source = ''.join(normalize_line_endings(source_lines, '\n')) + + # Keep a history to break out of cycles. + previous_hashes = set() + + if options.line_range: + # Disable "apply_local_fixes()" for now due to issue #175. + fixed_source = tmp_source + else: + pep8_options = { + 'ignore': options.ignore, + 'select': options.select, + 'max_line_length': options.max_line_length, + 'hang_closing': options.hang_closing, + } + sio = io.StringIO(tmp_source) + contents = sio.readlines() + results = _execute_pep8(pep8_options, contents) + codes = {result['id'] for result in results + if result['id'] in SELECTED_GLOBAL_FIXED_METHOD_CODES} + # Apply global fixes only once (for efficiency). + fixed_source = apply_global_fixes(tmp_source, + options, + filename=filename, + codes=codes) + + passes = 0 + long_line_ignore_cache = set() + while hash(fixed_source) not in previous_hashes: + if options.pep8_passes >= 0 and passes > options.pep8_passes: + break + passes += 1 + + previous_hashes.add(hash(fixed_source)) + + tmp_source = copy.copy(fixed_source) + + fix = FixPEP8( + filename, + options, + contents=tmp_source, + long_line_ignore_cache=long_line_ignore_cache) + + fixed_source = fix.fix() + + sio = io.StringIO(fixed_source) + return ''.join(normalize_line_endings(sio.readlines(), original_newline)) + + +def fix_file(filename, options=None, output=None, apply_config=False): + if not options: + options = parse_args([filename], apply_config=apply_config) + + original_source = readlines_from_file(filename) + + fixed_source = original_source + + if options.in_place or options.diff or output: + encoding = detect_encoding(filename) + + if output: + output = LineEndingWrapper(wrap_output(output, encoding=encoding)) + + fixed_source = fix_lines(fixed_source, options, filename=filename) + + if options.diff: + new = io.StringIO(fixed_source) + new = new.readlines() + diff = get_diff_text(original_source, new, filename) + if output: + output.write(diff) + output.flush() + elif options.jobs > 1: + diff = diff.encode(encoding) + return diff + elif options.in_place: + original = "".join(original_source).splitlines() + fixed = fixed_source.splitlines() + original_source_last_line = ( + original_source[-1].split("\n")[-1] if original_source else "" + ) + fixed_source_last_line = fixed_source.split("\n")[-1] + if original != fixed or ( + original_source_last_line != fixed_source_last_line + ): + with open_with_encoding(filename, 'w', encoding=encoding) as fp: + fp.write(fixed_source) + return fixed_source + return None + else: + if output: + output.write(fixed_source) + output.flush() + return fixed_source + + +def global_fixes(): + """Yield multiple (code, function) tuples.""" + for function in list(globals().values()): + if inspect.isfunction(function): + arguments = _get_parameters(function) + if arguments[:1] != ['source']: + continue + + code = extract_code_from_function(function) + if code: + yield (code, function) + + +def _get_parameters(function): + # pylint: disable=deprecated-method + if sys.version_info.major >= 3: + # We need to match "getargspec()", which includes "self" as the first + # value for methods. + # https://bugs.python.org/issue17481#msg209469 + if inspect.ismethod(function): + function = function.__func__ + + return list(inspect.signature(function).parameters) + else: + return inspect.getargspec(function)[0] + + +def apply_global_fixes(source, options, where='global', filename='', + codes=None): + """Run global fixes on source code. + + These are fixes that only need be done once (unlike those in + FixPEP8, which are dependent on pycodestyle). + + """ + if codes is None: + codes = [] + if any(code_match(code, select=options.select, ignore=options.ignore) + for code in ['E101', 'E111']): + source = reindent(source, + indent_size=options.indent_size) + + for (code, function) in global_fixes(): + if code.upper() in SELECTED_GLOBAL_FIXED_METHOD_CODES \ + and code.upper() not in codes: + continue + if code_match(code, select=options.select, ignore=options.ignore): + if options.verbose: + print('---> Applying {} fix for {}'.format(where, + code.upper()), + file=sys.stderr) + source = function(source, + aggressive=options.aggressive) + + source = fix_2to3(source, + aggressive=options.aggressive, + select=options.select, + ignore=options.ignore, + filename=filename, + where=where, + verbose=options.verbose) + + return source + + +def extract_code_from_function(function): + """Return code handled by function.""" + if not function.__name__.startswith('fix_'): + return None + + code = re.sub('^fix_', '', function.__name__) + if not code: + return None + + try: + int(code[1:]) + except ValueError: + return None + + return code + + +def _get_package_version(): + packages = ["pycodestyle: {}".format(pycodestyle.__version__)] + return ", ".join(packages) + + +def create_parser(): + """Return command-line parser.""" + parser = argparse.ArgumentParser(description=docstring_summary(__doc__), + prog='autopep8') + parser.add_argument('--version', action='version', + version='%(prog)s {} ({})'.format( + __version__, _get_package_version())) + parser.add_argument('-v', '--verbose', action='count', + default=0, + help='print verbose messages; ' + 'multiple -v result in more verbose messages') + parser.add_argument('-d', '--diff', action='store_true', + help='print the diff for the fixed source') + parser.add_argument('-i', '--in-place', action='store_true', + help='make changes to files in place') + parser.add_argument('--global-config', metavar='filename', + default=DEFAULT_CONFIG, + help='path to a global pep8 config file; if this file ' + 'does not exist then this is ignored ' + '(default: {})'.format(DEFAULT_CONFIG)) + parser.add_argument('--ignore-local-config', action='store_true', + help="don't look for and apply local config files; " + 'if not passed, defaults are updated with any ' + "config files in the project's root directory") + parser.add_argument('-r', '--recursive', action='store_true', + help='run recursively over directories; ' + 'must be used with --in-place or --diff') + parser.add_argument('-j', '--jobs', type=int, metavar='n', default=1, + help='number of parallel jobs; ' + 'match CPU count if value is less than 1') + parser.add_argument('-p', '--pep8-passes', metavar='n', + default=-1, type=int, + help='maximum number of additional pep8 passes ' + '(default: infinite)') + parser.add_argument('-a', '--aggressive', action='count', default=0, + help='enable non-whitespace changes; ' + 'multiple -a result in more aggressive changes') + parser.add_argument('--experimental', action='store_true', + help='enable experimental fixes') + parser.add_argument('--exclude', metavar='globs', + help='exclude file/directory names that match these ' + 'comma-separated globs') + parser.add_argument('--list-fixes', action='store_true', + help='list codes for fixes; ' + 'used by --ignore and --select') + parser.add_argument('--ignore', metavar='errors', default='', + help='do not fix these errors/warnings ' + '(default: {})'.format(DEFAULT_IGNORE)) + parser.add_argument('--select', metavar='errors', default='', + help='fix only these errors/warnings (e.g. E4,W)') + parser.add_argument('--max-line-length', metavar='n', default=79, type=int, + help='set maximum allowed line length ' + '(default: %(default)s)') + parser.add_argument('--line-range', '--range', metavar='line', + default=None, type=int, nargs=2, + help='only fix errors found within this inclusive ' + 'range of line numbers (e.g. 1 99); ' + 'line numbers are indexed at 1') + parser.add_argument('--indent-size', default=DEFAULT_INDENT_SIZE, + type=int, help=argparse.SUPPRESS) + parser.add_argument('--hang-closing', action='store_true', + help='hang-closing option passed to pycodestyle') + parser.add_argument('--exit-code', action='store_true', + help='change to behavior of exit code.' + ' default behavior of return value, 0 is no ' + 'differences, 1 is error exit. return 2 when' + ' add this option. 2 is exists differences.') + parser.add_argument('files', nargs='*', + help="files to format or '-' for standard in") + + return parser + + +def _expand_codes(codes, ignore_codes): + """expand to individual E/W codes""" + ret = set() + + is_conflict = False + if all( + any( + conflicting_code.startswith(code) + for code in codes + ) + for conflicting_code in CONFLICTING_CODES + ): + is_conflict = True + + is_ignore_w503 = "W503" in ignore_codes + is_ignore_w504 = "W504" in ignore_codes + + for code in codes: + if code == "W": + if is_ignore_w503 and is_ignore_w504: + ret.update({"W1", "W2", "W3", "W505", "W6"}) + elif is_ignore_w503: + ret.update({"W1", "W2", "W3", "W504", "W505", "W6"}) + else: + ret.update({"W1", "W2", "W3", "W503", "W505", "W6"}) + elif code in ("W5", "W50"): + if is_ignore_w503 and is_ignore_w504: + ret.update({"W505"}) + elif is_ignore_w503: + ret.update({"W504", "W505"}) + else: + ret.update({"W503", "W505"}) + elif not (code in ("W503", "W504") and is_conflict): + ret.add(code) + + return ret + + +def parse_args(arguments, apply_config=False): + """Parse command-line options.""" + parser = create_parser() + args = parser.parse_args(arguments) + + if not args.files and not args.list_fixes: + parser.exit(EXIT_CODE_ARGPARSE_ERROR, 'incorrect number of arguments') + + args.files = [decode_filename(name) for name in args.files] + + if apply_config: + parser = read_config(args, parser) + # prioritize settings when exist pyproject.toml's tool.autopep8 section + try: + parser_with_pyproject_toml = read_pyproject_toml(args, parser) + except Exception: + parser_with_pyproject_toml = None + if parser_with_pyproject_toml: + parser = parser_with_pyproject_toml + args = parser.parse_args(arguments) + args.files = [decode_filename(name) for name in args.files] + + if '-' in args.files: + if len(args.files) > 1: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + 'cannot mix stdin and regular files', + ) + + if args.diff: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--diff cannot be used with standard input', + ) + + if args.in_place: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--in-place cannot be used with standard input', + ) + + if args.recursive: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--recursive cannot be used with standard input', + ) + + if len(args.files) > 1 and not (args.in_place or args.diff): + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + 'autopep8 only takes one filename as argument ' + 'unless the "--in-place" or "--diff" args are used', + ) + + if args.recursive and not (args.in_place or args.diff): + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--recursive must be used with --in-place or --diff', + ) + + if args.in_place and args.diff: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--in-place and --diff are mutually exclusive', + ) + + if args.max_line_length <= 0: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--max-line-length must be greater than 0', + ) + + if args.indent_size <= 0: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--indent-size must be greater than 0', + ) + + if args.select: + args.select = _expand_codes( + _split_comma_separated(args.select), + (_split_comma_separated(args.ignore) if args.ignore else []) + ) + + if args.ignore: + args.ignore = _split_comma_separated(args.ignore) + if all( + not any( + conflicting_code.startswith(ignore_code) + for ignore_code in args.ignore + ) + for conflicting_code in CONFLICTING_CODES + ): + args.ignore.update(CONFLICTING_CODES) + elif not args.select: + if args.aggressive: + # Enable everything by default if aggressive. + args.select = {'E', 'W1', 'W2', 'W3', 'W6'} + else: + args.ignore = _split_comma_separated(DEFAULT_IGNORE) + + if args.exclude: + args.exclude = _split_comma_separated(args.exclude) + else: + args.exclude = {} + + if args.jobs < 1: + # Do not import multiprocessing globally in case it is not supported + # on the platform. + import multiprocessing + args.jobs = multiprocessing.cpu_count() + + if args.jobs > 1 and not (args.in_place or args.diff): + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + 'parallel jobs requires --in-place', + ) + + if args.line_range: + if args.line_range[0] <= 0: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + '--range must be positive numbers', + ) + if args.line_range[0] > args.line_range[1]: + parser.exit( + EXIT_CODE_ARGPARSE_ERROR, + 'First value of --range should be less than or equal ' + 'to the second', + ) + + return args + + +def _get_normalize_options(config, section, option_list): + for (k, _) in config.items(section): + norm_opt = k.lstrip('-').replace('-', '_') + if not option_list.get(norm_opt): + continue + opt_type = option_list[norm_opt] + if opt_type is int: + value = config.getint(section, k) + elif opt_type is bool: + value = config.getboolean(section, k) + else: + value = config.get(section, k) + yield norm_opt, k, value + + +def read_config(args, parser): + """Read both user configuration and local configuration.""" + config = SafeConfigParser() + + try: + config.read(args.global_config) + + if not args.ignore_local_config: + parent = tail = args.files and os.path.abspath( + os.path.commonprefix(args.files)) + while tail: + if config.read([os.path.join(parent, fn) + for fn in PROJECT_CONFIG]): + break + (parent, tail) = os.path.split(parent) + + defaults = {} + option_list = {o.dest: o.type or type(o.default) + for o in parser._actions} + + for section in ['pep8', 'pycodestyle', 'flake8']: + if not config.has_section(section): + continue + for norm_opt, k, value in _get_normalize_options(config, section, + option_list): + if args.verbose: + print("enable config: section={}, key={}, value={}".format( + section, k, value)) + defaults[norm_opt] = value + + parser.set_defaults(**defaults) + except Error: + # Ignore for now. + pass + + return parser + + +def read_pyproject_toml(args, parser): + """Read pyproject.toml and load configuration.""" + import toml + + config = None + + if os.path.exists(args.global_config): + with open(args.global_config) as fp: + config = toml.load(fp) + + if not args.ignore_local_config: + parent = tail = args.files and os.path.abspath( + os.path.commonprefix(args.files)) + while tail: + pyproject_toml = os.path.join(parent, "pyproject.toml") + if os.path.exists(pyproject_toml): + with open(pyproject_toml) as fp: + config = toml.load(fp) + break + (parent, tail) = os.path.split(parent) + + if not config: + return None + + if config.get("tool", {}).get("autopep8") is None: + return None + + config = config.get("tool").get("autopep8") + + defaults = {} + option_list = {o.dest: o.type or type(o.default) + for o in parser._actions} + + TUPLED_OPTIONS = ("ignore", "select") + for (k, v) in config.items(): + norm_opt = k.lstrip('-').replace('-', '_') + if not option_list.get(norm_opt): + continue + if type(v) in (list, tuple) and norm_opt in TUPLED_OPTIONS: + value = ",".join(v) + else: + value = v + if args.verbose: + print("enable pyproject.toml config: " + "key={}, value={}".format(k, value)) + defaults[norm_opt] = value + + if defaults: + # set value when exists key-value in defaults dict + parser.set_defaults(**defaults) + + return parser + + +def _split_comma_separated(string): + """Return a set of strings.""" + return {text.strip() for text in string.split(',') if text.strip()} + + +def decode_filename(filename): + """Return Unicode filename.""" + if isinstance(filename, unicode): + return filename + + return filename.decode(sys.getfilesystemencoding()) + + +def supported_fixes(): + """Yield pep8 error codes that autopep8 fixes. + + Each item we yield is a tuple of the code followed by its + description. + + """ + yield ('E101', docstring_summary(reindent.__doc__)) + + instance = FixPEP8(filename=None, options=None, contents='') + for attribute in dir(instance): + code = re.match('fix_([ew][0-9][0-9][0-9])', attribute) + if code: + yield ( + code.group(1).upper(), + re.sub(r'\s+', ' ', + docstring_summary(getattr(instance, attribute).__doc__)) + ) + + for (code, function) in sorted(global_fixes()): + yield (code.upper() + (4 - len(code)) * ' ', + re.sub(r'\s+', ' ', docstring_summary(function.__doc__))) + + for code in sorted(CODE_TO_2TO3): + yield (code.upper() + (4 - len(code)) * ' ', + re.sub(r'\s+', ' ', docstring_summary(fix_2to3.__doc__))) + + +def docstring_summary(docstring): + """Return summary of docstring.""" + return docstring.split('\n')[0] if docstring else '' + + +def line_shortening_rank(candidate, indent_word, max_line_length, + experimental=False): + """Return rank of candidate. + + This is for sorting candidates. + + """ + if not candidate.strip(): + return 0 + + rank = 0 + lines = candidate.rstrip().split('\n') + + offset = 0 + if ( + not lines[0].lstrip().startswith('#') and + lines[0].rstrip()[-1] not in '([{' + ): + for (opening, closing) in ('()', '[]', '{}'): + # Don't penalize empty containers that aren't split up. Things like + # this "foo(\n )" aren't particularly good. + opening_loc = lines[0].find(opening) + closing_loc = lines[0].find(closing) + if opening_loc >= 0: + if closing_loc < 0 or closing_loc != opening_loc + 1: + offset = max(offset, 1 + opening_loc) + + current_longest = max(offset + len(x.strip()) for x in lines) + + rank += 4 * max(0, current_longest - max_line_length) + + rank += len(lines) + + # Too much variation in line length is ugly. + rank += 2 * standard_deviation(len(line) for line in lines) + + bad_staring_symbol = { + '(': ')', + '[': ']', + '{': '}'}.get(lines[0][-1]) + + if len(lines) > 1: + if ( + bad_staring_symbol and + lines[1].lstrip().startswith(bad_staring_symbol) + ): + rank += 20 + + for lineno, current_line in enumerate(lines): + current_line = current_line.strip() + + if current_line.startswith('#'): + continue + + for bad_start in ['.', '%', '+', '-', '/']: + if current_line.startswith(bad_start): + rank += 100 + + # Do not tolerate operators on their own line. + if current_line == bad_start: + rank += 1000 + + if ( + current_line.endswith(('.', '%', '+', '-', '/')) and + "': " in current_line + ): + rank += 1000 + + if current_line.endswith(('(', '[', '{', '.')): + # Avoid lonely opening. They result in longer lines. + if len(current_line) <= len(indent_word): + rank += 100 + + # Avoid the ugliness of ", (\n". + if ( + current_line.endswith('(') and + current_line[:-1].rstrip().endswith(',') + ): + rank += 100 + + # Avoid the ugliness of "something[\n" and something[index][\n. + if ( + current_line.endswith('[') and + len(current_line) > 1 and + (current_line[-2].isalnum() or current_line[-2] in ']') + ): + rank += 300 + + # Also avoid the ugliness of "foo.\nbar" + if current_line.endswith('.'): + rank += 100 + + if has_arithmetic_operator(current_line): + rank += 100 + + # Avoid breaking at unary operators. + if re.match(r'.*[(\[{]\s*[\-\+~]$', current_line.rstrip('\\ ')): + rank += 1000 + + if re.match(r'.*lambda\s*\*$', current_line.rstrip('\\ ')): + rank += 1000 + + if current_line.endswith(('%', '(', '[', '{')): + rank -= 20 + + # Try to break list comprehensions at the "for". + if current_line.startswith('for '): + rank -= 50 + + if current_line.endswith('\\'): + # If a line ends in \-newline, it may be part of a + # multiline string. In that case, we would like to know + # how long that line is without the \-newline. If it's + # longer than the maximum, or has comments, then we assume + # that the \-newline is an okay candidate and only + # penalize it a bit. + total_len = len(current_line) + lineno += 1 + while lineno < len(lines): + total_len += len(lines[lineno]) + + if lines[lineno].lstrip().startswith('#'): + total_len = max_line_length + break + + if not lines[lineno].endswith('\\'): + break + + lineno += 1 + + if total_len < max_line_length: + rank += 10 + else: + rank += 100 if experimental else 1 + + # Prefer breaking at commas rather than colon. + if ',' in current_line and current_line.endswith(':'): + rank += 10 + + # Avoid splitting dictionaries between key and value. + if current_line.endswith(':'): + rank += 100 + + rank += 10 * count_unbalanced_brackets(current_line) + + return max(0, rank) + + +def standard_deviation(numbers): + """Return standard deviation.""" + numbers = list(numbers) + if not numbers: + return 0 + mean = sum(numbers) / len(numbers) + return (sum((n - mean) ** 2 for n in numbers) / + len(numbers)) ** .5 + + +def has_arithmetic_operator(line): + """Return True if line contains any arithmetic operators.""" + for operator in pycodestyle.ARITHMETIC_OP: + if operator in line: + return True + + return False + + +def count_unbalanced_brackets(line): + """Return number of unmatched open/close brackets.""" + count = 0 + for opening, closing in ['()', '[]', '{}']: + count += abs(line.count(opening) - line.count(closing)) + + return count + + +def split_at_offsets(line, offsets): + """Split line at offsets. + + Return list of strings. + + """ + result = [] + + previous_offset = 0 + current_offset = 0 + for current_offset in sorted(offsets): + if current_offset < len(line) and previous_offset != current_offset: + result.append(line[previous_offset:current_offset].strip()) + previous_offset = current_offset + + result.append(line[current_offset:]) + + return result + + +class LineEndingWrapper(object): + + r"""Replace line endings to work with sys.stdout. + + It seems that sys.stdout expects only '\n' as the line ending, no matter + the platform. Otherwise, we get repeated line endings. + + """ + + def __init__(self, output): + self.__output = output + + def write(self, s): + self.__output.write(s.replace('\r\n', '\n').replace('\r', '\n')) + + def flush(self): + self.__output.flush() + + +def match_file(filename, exclude): + """Return True if file is okay for modifying/recursing.""" + base_name = os.path.basename(filename) + + if base_name.startswith('.'): + return False + + for pattern in exclude: + if fnmatch.fnmatch(base_name, pattern): + return False + if fnmatch.fnmatch(filename, pattern): + return False + + if not os.path.isdir(filename) and not is_python_file(filename): + return False + + return True + + +def find_files(filenames, recursive, exclude): + """Yield filenames.""" + while filenames: + name = filenames.pop(0) + if recursive and os.path.isdir(name): + for root, directories, children in os.walk(name): + filenames += [os.path.join(root, f) for f in children + if match_file(os.path.join(root, f), + exclude)] + directories[:] = [d for d in directories + if match_file(os.path.join(root, d), + exclude)] + else: + is_exclude_match = False + for pattern in exclude: + if fnmatch.fnmatch(name, pattern): + is_exclude_match = True + break + if not is_exclude_match: + yield name + + +def _fix_file(parameters): + """Helper function for optionally running fix_file() in parallel.""" + if parameters[1].verbose: + print('[file:{}]'.format(parameters[0]), file=sys.stderr) + try: + return fix_file(*parameters) + except IOError as error: + print(unicode(error), file=sys.stderr) + raise error + + +def fix_multiple_files(filenames, options, output=None): + """Fix list of files. + + Optionally fix files recursively. + + """ + results = [] + filenames = find_files(filenames, options.recursive, options.exclude) + if options.jobs > 1: + import multiprocessing + pool = multiprocessing.Pool(options.jobs) + rets = [] + for name in filenames: + ret = pool.apply_async(_fix_file, ((name, options),)) + rets.append(ret) + pool.close() + pool.join() + if options.diff: + for r in rets: + sys.stdout.write(r.get().decode()) + sys.stdout.flush() + results.extend([x.get() for x in rets if x is not None]) + else: + for name in filenames: + ret = _fix_file((name, options, output)) + if ret is None: + continue + if options.diff: + if ret != '': + results.append(ret) + elif options.in_place: + results.append(ret) + else: + original_source = readlines_from_file(name) + if "".join(original_source).splitlines() != ret.splitlines(): + results.append(ret) + return results + + +def is_python_file(filename): + """Return True if filename is Python file.""" + if filename.endswith('.py'): + return True + + try: + with open_with_encoding( + filename, + limit_byte_check=MAX_PYTHON_FILE_DETECTION_BYTES) as f: + text = f.read(MAX_PYTHON_FILE_DETECTION_BYTES) + if not text: + return False + first_line = text.splitlines()[0] + except (IOError, IndexError): + return False + + if not PYTHON_SHEBANG_REGEX.match(first_line): + return False + + return True + + +def is_probably_part_of_multiline(line): + """Return True if line is likely part of a multiline string. + + When multiline strings are involved, pep8 reports the error as being + at the start of the multiline string, which doesn't work for us. + + """ + return ( + '"""' in line or + "'''" in line or + line.rstrip().endswith('\\') + ) + + +def wrap_output(output, encoding): + """Return output with specified encoding.""" + return codecs.getwriter(encoding)(output.buffer + if hasattr(output, 'buffer') + else output) + + +def get_encoding(): + """Return preferred encoding.""" + return locale.getpreferredencoding() or sys.getdefaultencoding() + + +def main(argv=None, apply_config=True): + """Command-line entry.""" + if argv is None: + argv = sys.argv + + try: + # Exit on broken pipe. + signal.signal(signal.SIGPIPE, signal.SIG_DFL) + except AttributeError: # pragma: no cover + # SIGPIPE is not available on Windows. + pass + + try: + args = parse_args(argv[1:], apply_config=apply_config) + + if args.list_fixes: + for code, description in sorted(supported_fixes()): + print('{code} - {description}'.format( + code=code, description=description)) + return EXIT_CODE_OK + + if args.files == ['-']: + assert not args.in_place + + encoding = sys.stdin.encoding or get_encoding() + read_stdin = sys.stdin.read() + fixed_stdin = fix_code(read_stdin, args, encoding=encoding) + + # LineEndingWrapper is unnecessary here due to the symmetry between + # standard in and standard out. + wrap_output(sys.stdout, encoding=encoding).write(fixed_stdin) + + if hash(read_stdin) != hash(fixed_stdin): + if args.exit_code: + return EXIT_CODE_EXISTS_DIFF + else: + if args.in_place or args.diff: + args.files = list(set(args.files)) + else: + assert len(args.files) == 1 + assert not args.recursive + + results = fix_multiple_files(args.files, args, sys.stdout) + if args.diff: + ret = any([len(ret) != 0 for ret in results]) + else: + # with in-place option + ret = any([ret is not None for ret in results]) + if args.exit_code and ret: + return EXIT_CODE_EXISTS_DIFF + except IOError: + return EXIT_CODE_ERROR + except KeyboardInterrupt: + return EXIT_CODE_ERROR # pragma: no cover + + +class CachedTokenizer(object): + + """A one-element cache around tokenize.generate_tokens(). + + Original code written by Ned Batchelder, in coverage.py. + + """ + + def __init__(self): + self.last_text = None + self.last_tokens = None + + def generate_tokens(self, text): + """A stand-in for tokenize.generate_tokens().""" + if text != self.last_text: + string_io = io.StringIO(text) + self.last_tokens = list( + tokenize.generate_tokens(string_io.readline) + ) + self.last_text = text + return self.last_tokens + + +_cached_tokenizer = CachedTokenizer() +generate_tokens = _cached_tokenizer.generate_tokens + + +if __name__ == '__main__': + sys.exit(main()) diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/LICENSE new file mode 100644 index 0000000..11069ed --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +Copyright [yyyy] [name of copyright owner] + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/METADATA new file mode 100644 index 0000000..e712e1f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/METADATA @@ -0,0 +1,252 @@ +Metadata-Version: 2.1 +Name: bcrypt +Version: 3.2.0 +Summary: Modern password hashing for your software and your servers +Home-page: https://github.com/pyca/bcrypt/ +Author: The Python Cryptographic Authority developers +Author-email: cryptography-dev@python.org +License: Apache License, Version 2.0 +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: License :: OSI Approved :: Apache Software License +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Requires-Python: >=3.6 +Requires-Dist: cffi (>=1.1) +Requires-Dist: six (>=1.4.1) +Provides-Extra: tests +Requires-Dist: pytest (!=3.3.0,>=3.2.1) ; extra == 'tests' +Provides-Extra: typecheck +Requires-Dist: mypy ; extra == 'typecheck' + +bcrypt +====== + +.. image:: https://img.shields.io/pypi/v/bcrypt.svg + :target: https://pypi.org/project/bcrypt/ + :alt: Latest Version + +.. image:: https://travis-ci.org/pyca/bcrypt.svg?branch=master + :target: https://travis-ci.org/pyca/bcrypt + +.. image:: https://github.com/pyca/bcrypt/workflows/CI/badge.svg?branch=master + :target: https://github.com/pyca/bcrypt/actions?query=workflow%3ACI+branch%3Amaster + +Good password hashing for your software and your servers + + +Installation +============ + +To install bcrypt, simply: + +.. code:: bash + + $ pip install bcrypt + +Note that bcrypt should build very easily on Linux provided you have a C compiler, headers for Python (if you're not using pypy), and headers for the libffi libraries available on your system. + +For Debian and Ubuntu, the following command will ensure that the required dependencies are installed: + +.. code:: bash + + $ sudo apt-get install build-essential libffi-dev python-dev + +For Fedora and RHEL-derivatives, the following command will ensure that the required dependencies are installed: + +.. code:: bash + + $ sudo yum install gcc libffi-devel python-devel + +For Alpine, the following command will ensure that the required dependencies are installed: + +.. code:: bash + + $ apk add --update musl-dev gcc libffi-dev + + +Alternatives +============ + +While bcrypt remains a good choice for password storage depending on your specific use case you may also want to consider using scrypt (either via `standard library`_ or `cryptography`_) or argon2id via `argon2_cffi`_. + +Changelog +========= + + +3.2.0 +----- + +* Added typehints for library functions. +* Dropped support for Python versions less than 3.6 (2.7, 3.4, 3.5). +* Shipped ``abi3`` Windows wheels (requires pip >= 20). + +3.1.7 +----- + +* Set a ``setuptools`` lower bound for PEP517 wheel building. +* We no longer distribute 32-bit ``manylinux1`` wheels. Continuing to produce + them was a maintenance burden. + +3.1.6 +----- + +* Added support for compilation on Haiku. + +3.1.5 +----- + +* Added support for compilation on AIX. +* Dropped Python 2.6 and 3.3 support. +* Switched to using ``abi3`` wheels for Python 3. If you are not getting a + wheel on a compatible platform please upgrade your ``pip`` version. + +3.1.4 +----- + +* Fixed compilation with mingw and on illumos. + +3.1.3 +----- +* Fixed a compilation issue on Solaris. +* Added a warning when using too few rounds with ``kdf``. + +3.1.2 +----- +* Fixed a compile issue affecting big endian platforms. +* Fixed invalid escape sequence warnings on Python 3.6. +* Fixed building in non-UTF8 environments on Python 2. + +3.1.1 +----- +* Resolved a ``UserWarning`` when used with ``cffi`` 1.8.3. + +3.1.0 +----- +* Added support for ``checkpw``, a convenience method for verifying a password. +* Ensure that you get a ``$2y$`` hash when you input a ``$2y$`` salt. +* Fixed a regression where ``$2a`` hashes were vulnerable to a wraparound bug. +* Fixed compilation under Alpine Linux. + +3.0.0 +----- +* Switched the C backend to code obtained from the OpenBSD project rather than + openwall. +* Added support for ``bcrypt_pbkdf`` via the ``kdf`` function. + +2.0.0 +----- +* Added support for an adjustible prefix when calling ``gensalt``. +* Switched to CFFI 1.0+ + +Usage +----- + +Password Hashing +~~~~~~~~~~~~~~~~ + +Hashing and then later checking that a password matches the previous hashed +password is very simple: + +.. code:: pycon + + >>> import bcrypt + >>> password = b"super secret password" + >>> # Hash a password for the first time, with a randomly-generated salt + >>> hashed = bcrypt.hashpw(password, bcrypt.gensalt()) + >>> # Check that an unhashed password matches one that has previously been + >>> # hashed + >>> if bcrypt.checkpw(password, hashed): + ... print("It Matches!") + ... else: + ... print("It Does not Match :(") + +KDF +~~~ + +As of 3.0.0 ``bcrypt`` now offers a ``kdf`` function which does ``bcrypt_pbkdf``. +This KDF is used in OpenSSH's newer encrypted private key format. + +.. code:: pycon + + >>> import bcrypt + >>> key = bcrypt.kdf( + ... password=b'password', + ... salt=b'salt', + ... desired_key_bytes=32, + ... rounds=100) + + +Adjustable Work Factor +~~~~~~~~~~~~~~~~~~~~~~ +One of bcrypt's features is an adjustable logarithmic work factor. To adjust +the work factor merely pass the desired number of rounds to +``bcrypt.gensalt(rounds=12)`` which defaults to 12): + +.. code:: pycon + + >>> import bcrypt + >>> password = b"super secret password" + >>> # Hash a password for the first time, with a certain number of rounds + >>> hashed = bcrypt.hashpw(password, bcrypt.gensalt(14)) + >>> # Check that a unhashed password matches one that has previously been + >>> # hashed + >>> if bcrypt.checkpw(password, hashed): + ... print("It Matches!") + ... else: + ... print("It Does not Match :(") + + +Adjustable Prefix +~~~~~~~~~~~~~~~~~ + +Another one of bcrypt's features is an adjustable prefix to let you define what +libraries you'll remain compatible with. To adjust this, pass either ``2a`` or +``2b`` (the default) to ``bcrypt.gensalt(prefix=b"2b")`` as a bytes object. + +As of 3.0.0 the ``$2y$`` prefix is still supported in ``hashpw`` but deprecated. + +Maximum Password Length +~~~~~~~~~~~~~~~~~~~~~~~ + +The bcrypt algorithm only handles passwords up to 72 characters, any characters +beyond that are ignored. To work around this, a common approach is to hash a +password with a cryptographic hash (such as ``sha256``) and then base64 +encode it to prevent NULL byte problems before hashing the result with +``bcrypt``: + +.. code:: pycon + + >>> password = b"an incredibly long password" * 10 + >>> hashed = bcrypt.hashpw( + ... base64.b64encode(hashlib.sha256(password).digest()), + ... bcrypt.gensalt() + ... ) + +Compatibility +------------- + +This library should be compatible with py-bcrypt and it will run on Python +3.6+, and PyPy 3. + +C Code +------ + +This library uses code from OpenBSD. + +Security +-------- + +``bcrypt`` follows the `same security policy as cryptography`_, if you +identify a vulnerability, we ask you to contact us privately. + +.. _`same security policy as cryptography`: https://cryptography.io/en/latest/security/ +.. _`standard library`: https://docs.python.org/3/library/hashlib.html#hashlib.scrypt +.. _`argon2_cffi`: https://argon2-cffi.readthedocs.io +.. _`cryptography`: https://cryptography.io/en/latest/hazmat/primitives/key-derivation-functions/#cryptography.hazmat.primitives.kdf.scrypt.Scrypt + + diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/RECORD new file mode 100644 index 0000000..686ba62 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/RECORD @@ -0,0 +1,13 @@ +bcrypt-3.2.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +bcrypt-3.2.0.dist-info/LICENSE,sha256=gXPVwptPlW1TJ4HSuG5OMPg-a3h43OGMkZRR1rpwfJA,10850 +bcrypt-3.2.0.dist-info/METADATA,sha256=GdD7y9zNFz4pIwJMsoqoBNMUi0F8KmOPAEWWPZ86gWw,7471 +bcrypt-3.2.0.dist-info/RECORD,, +bcrypt-3.2.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +bcrypt-3.2.0.dist-info/WHEEL,sha256=anfJboABYoHdkg0AA4Ga5g8v1QHyNq_zIyy3oKyWQ14,111 +bcrypt-3.2.0.dist-info/top_level.txt,sha256=igJttN6fNWPEzk4lnCMzlitVT_1PlLVJzxzogMWGARU,15 +bcrypt/__about__.py,sha256=R9tFLrp54uy-g5mKOLOr8ZaJASKzpn8pf_FHWoBh_HM,1320 +bcrypt/__init__.py,sha256=Kcn4lm_wsTtTMKBqHQYsHTHQz3xSZlLwMbQT6gKbhIg,5774 +bcrypt/__pycache__/__about__.cpython-39.pyc,, +bcrypt/__pycache__/__init__.cpython-39.pyc,, +bcrypt/_bcrypt.abi3.so,sha256=RGDqDI8HZJIbzrAenMXe8ZHG34tvXxaOjCjtMi1FErg,139632 +bcrypt/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/WHEEL new file mode 100644 index 0000000..274d629 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: false +Tag: cp36-abi3-manylinux2010_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/top_level.txt new file mode 100644 index 0000000..9fd6492 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt-3.2.0.dist-info/top_level.txt @@ -0,0 +1,2 @@ +_bcrypt +bcrypt diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt/__about__.py b/backend/mb-env/lib/python3.9/site-packages/bcrypt/__about__.py new file mode 100644 index 0000000..0d9b6bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt/__about__.py @@ -0,0 +1,41 @@ +# Author:: Donald Stufft () +# Copyright:: Copyright (c) 2013 Donald Stufft +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from __future__ import absolute_import +from __future__ import division +from __future__ import unicode_literals + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", +] + +__title__ = "bcrypt" +__summary__ = "Modern password hashing for your software and your servers" +__uri__ = "https://github.com/pyca/bcrypt/" + +__version__ = "3.2.0" + +__author__ = "The Python Cryptographic Authority developers" +__email__ = "cryptography-dev@python.org" + +__license__ = "Apache License, Version 2.0" +__copyright__ = "Copyright 2013-2020 {0}".format(__author__) diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt/__init__.py b/backend/mb-env/lib/python3.9/site-packages/bcrypt/__init__.py new file mode 100644 index 0000000..0a8cc05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bcrypt/__init__.py @@ -0,0 +1,178 @@ +# Author:: Donald Stufft () +# Copyright:: Copyright (c) 2013 Donald Stufft +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +from __future__ import absolute_import +from __future__ import division + +import os +import re +import warnings + +import six + +from . import _bcrypt # type: ignore +from .__about__ import ( + __author__, + __copyright__, + __email__, + __license__, + __summary__, + __title__, + __uri__, + __version__, +) + + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", + "gensalt", + "hashpw", + "kdf", + "checkpw", +] + + +_normalize_re = re.compile(br"^\$2y\$") + + +def gensalt(rounds: int = 12, prefix: bytes = b"2b") -> bytes: + if prefix not in (b"2a", b"2b"): + raise ValueError("Supported prefixes are b'2a' or b'2b'") + + if rounds < 4 or rounds > 31: + raise ValueError("Invalid rounds") + + salt = os.urandom(16) + output = _bcrypt.ffi.new("char[]", 30) + _bcrypt.lib.encode_base64(output, salt, len(salt)) + + return ( + b"$" + + prefix + + b"$" + + ("%2.2u" % rounds).encode("ascii") + + b"$" + + _bcrypt.ffi.string(output) + ) + + +def hashpw(password: bytes, salt: bytes) -> bytes: + if isinstance(password, six.text_type) or isinstance(salt, six.text_type): + raise TypeError("Unicode-objects must be encoded before hashing") + + if b"\x00" in password: + raise ValueError("password may not contain NUL bytes") + + # bcrypt originally suffered from a wraparound bug: + # http://www.openwall.com/lists/oss-security/2012/01/02/4 + # This bug was corrected in the OpenBSD source by truncating inputs to 72 + # bytes on the updated prefix $2b$, but leaving $2a$ unchanged for + # compatibility. However, pyca/bcrypt 2.0.0 *did* correctly truncate inputs + # on $2a$, so we do it here to preserve compatibility with 2.0.0 + password = password[:72] + + # When the original 8bit bug was found the original library we supported + # added a new prefix, $2y$, that fixes it. This prefix is exactly the same + # as the $2b$ prefix added by OpenBSD other than the name. Since the + # OpenBSD library does not support the $2y$ prefix, if the salt given to us + # is for the $2y$ prefix, we'll just mugne it so that it's a $2b$ prior to + # passing it into the C library. + original_salt, salt = salt, _normalize_re.sub(b"$2b$", salt) + + hashed = _bcrypt.ffi.new("char[]", 128) + retval = _bcrypt.lib.bcrypt_hashpass(password, salt, hashed, len(hashed)) + + if retval != 0: + raise ValueError("Invalid salt") + + # Now that we've gotten our hashed password, we want to ensure that the + # prefix we return is the one that was passed in, so we'll use the prefix + # from the original salt and concatenate that with the return value (minus + # the return value's prefix). This will ensure that if someone passed in a + # salt with a $2y$ prefix, that they get back a hash with a $2y$ prefix + # even though we munged it to $2b$. + return original_salt[:4] + _bcrypt.ffi.string(hashed)[4:] + + +def checkpw(password: bytes, hashed_password: bytes) -> bool: + if isinstance(password, six.text_type) or isinstance( + hashed_password, six.text_type + ): + raise TypeError("Unicode-objects must be encoded before checking") + + if b"\x00" in password or b"\x00" in hashed_password: + raise ValueError( + "password and hashed_password may not contain NUL bytes" + ) + + ret = hashpw(password, hashed_password) + + if len(ret) != len(hashed_password): + return False + + return _bcrypt.lib.timingsafe_bcmp(ret, hashed_password, len(ret)) == 0 + + +def kdf( + password: bytes, + salt: bytes, + desired_key_bytes: int, + rounds: int, + ignore_few_rounds: bool = False, +) -> bytes: + if isinstance(password, six.text_type) or isinstance(salt, six.text_type): + raise TypeError("Unicode-objects must be encoded before hashing") + + if len(password) == 0 or len(salt) == 0: + raise ValueError("password and salt must not be empty") + + if desired_key_bytes <= 0 or desired_key_bytes > 512: + raise ValueError("desired_key_bytes must be 1-512") + + if rounds < 1: + raise ValueError("rounds must be 1 or more") + + if rounds < 50 and not ignore_few_rounds: + # They probably think bcrypt.kdf()'s rounds parameter is logarithmic, + # expecting this value to be slow enough (it probably would be if this + # were bcrypt). Emit a warning. + warnings.warn( + ( + "Warning: bcrypt.kdf() called with only {0} round(s). " + "This few is not secure: the parameter is linear, like PBKDF2." + ).format(rounds), + UserWarning, + stacklevel=2, + ) + + key = _bcrypt.ffi.new("uint8_t[]", desired_key_bytes) + res = _bcrypt.lib.bcrypt_pbkdf( + password, len(password), salt, len(salt), key, len(key), rounds + ) + _bcrypt_assert(res == 0) + + return _bcrypt.ffi.buffer(key, desired_key_bytes)[:] + + +def _bcrypt_assert(ok: bool) -> None: + if not ok: + raise SystemError("bcrypt assertion failed") diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt/_bcrypt.abi3.so b/backend/mb-env/lib/python3.9/site-packages/bcrypt/_bcrypt.abi3.so new file mode 100755 index 0000000..e02aaf2 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/bcrypt/_bcrypt.abi3.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/bcrypt/py.typed b/backend/mb-env/lib/python3.9/site-packages/bcrypt/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/PKG-INFO b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/PKG-INFO new file mode 100644 index 0000000..7b58794 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/PKG-INFO @@ -0,0 +1,101 @@ +Metadata-Version: 1.1 +Name: blinker +Version: 1.4 +Summary: Fast, simple object-to-object and broadcast signaling +Home-page: http://pythonhosted.org/blinker/ +Author: Jason Kirtland +Author-email: jek@discorporate.us +License: MIT License +Description: [![Build Status](https://travis-ci.org/jek/blinker.svg?branch=master)](https://travis-ci.org/jek/blinker) + + + # Blinker + + Blinker provides a fast dispatching system that allows any number of + interested parties to subscribe to events, or "signals". + + Signal receivers can subscribe to specific senders or receive signals + sent by any sender. + + >>> from blinker import signal + >>> started = signal('round-started') + >>> def each(round): + ... print "Round %s!" % round + ... + >>> started.connect(each) + + >>> def round_two(round): + ... print "This is round two." + ... + >>> started.connect(round_two, sender=2) + + >>> for round in range(1, 4): + ... started.send(round) + ... + Round 1! + Round 2! + This is round two. + Round 3! + + See the [Blinker documentation](https://pythonhosted.org/blinker/) for more information. + + ## Requirements + + Blinker requires Python 2.4 or higher, Python 3.0 or higher, or Jython 2.5 or higher. + + ## Changelog Summary + + 1.3 (July 3, 2013) + + - The global signal stash behind blinker.signal() is now backed by a + regular name-to-Signal dictionary. Previously, weak references were + held in the mapping and ephemeral usage in code like + ``signal('foo').connect(...)`` could have surprising program behavior + depending on import order of modules. + - blinker.Namespace is now built on a regular dict. Use + blinker.WeakNamespace for the older, weak-referencing behavior. + - Signal.connect('text-sender') uses an alternate hashing strategy to + avoid sharp edges in text identity. + + 1.2 (October 26, 2011) + + - Added Signal.receiver_connected and Signal.receiver_disconnected + per-Signal signals. + - Deprecated the global 'receiver_connected' signal. + - Verified Python 3.2 support (no changes needed!) + + 1.1 (July 21, 2010) + + - Added ``@signal.connect_via(sender)`` decorator + - Added ``signal.connected_to`` shorthand name for the + ``temporarily_connected_to`` context manager. + + 1.0 (March 28, 2010) + + - Python 3.x compatibility + + 0.9 (February 26, 2010) + + - Sphinx docs, project website + - Added ``with a_signal.temporarily_connected_to(receiver): ...`` support + +Keywords: signal emit events broadcast +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.4 +Classifier: Programming Language :: Python :: 2.5 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.0 +Classifier: Programming Language :: Python :: 3.1 +Classifier: Programming Language :: Python :: 3.2 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Topic :: Software Development :: Libraries +Classifier: Topic :: Utilities diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/SOURCES.txt b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/SOURCES.txt new file mode 100644 index 0000000..8a2dace --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/SOURCES.txt @@ -0,0 +1,49 @@ +AUTHORS +CHANGES +LICENSE +MANIFEST.in +README.md +setup.cfg +setup.py +blinker/__init__.py +blinker/_saferef.py +blinker/_utilities.py +blinker/base.py +blinker.egg-info/PKG-INFO +blinker.egg-info/SOURCES.txt +blinker.egg-info/dependency_links.txt +blinker.egg-info/top_level.txt +docs/html/genindex.html +docs/html/index.html +docs/html/objects.inv +docs/html/search.html +docs/html/searchindex.js +docs/html/_sources/index.txt +docs/html/_static/basic.css +docs/html/_static/blinker-named.png +docs/html/_static/blinker64.png +docs/html/_static/comment-bright.png +docs/html/_static/comment-close.png +docs/html/_static/comment.png +docs/html/_static/doctools.js +docs/html/_static/down-pressed.png +docs/html/_static/down.png +docs/html/_static/file.png +docs/html/_static/flasky.css +docs/html/_static/jquery.js +docs/html/_static/minus.png +docs/html/_static/plus.png +docs/html/_static/pygments.css +docs/html/_static/searchtools.js +docs/html/_static/underscore.js +docs/html/_static/up-pressed.png +docs/html/_static/up.png +docs/html/_static/websupport.js +docs/source/conf.py +docs/source/index.rst +docs/source/_themes/flask_theme_support.py +docs/text/index.txt +tests/test_context.py +tests/test_saferef.py +tests/test_signals.py +tests/test_utilities.py \ No newline at end of file diff --git a/moodbase.egg-info/dependency_links.txt b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/dependency_links.txt similarity index 100% rename from moodbase.egg-info/dependency_links.txt rename to backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/dependency_links.txt diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/installed-files.txt b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/installed-files.txt new file mode 100644 index 0000000..5baa6ea --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/installed-files.txt @@ -0,0 +1,12 @@ +../blinker/__init__.py +../blinker/__pycache__/__init__.cpython-39.pyc +../blinker/__pycache__/_saferef.cpython-39.pyc +../blinker/__pycache__/_utilities.cpython-39.pyc +../blinker/__pycache__/base.cpython-39.pyc +../blinker/_saferef.py +../blinker/_utilities.py +../blinker/base.py +PKG-INFO +SOURCES.txt +dependency_links.txt +top_level.txt diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/top_level.txt new file mode 100644 index 0000000..1ff4ca5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker-1.4.egg-info/top_level.txt @@ -0,0 +1 @@ +blinker diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker/__init__.py b/backend/mb-env/lib/python3.9/site-packages/blinker/__init__.py new file mode 100644 index 0000000..3ea239c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker/__init__.py @@ -0,0 +1,22 @@ +from blinker.base import ( + ANY, + NamedSignal, + Namespace, + Signal, + WeakNamespace, + receiver_connected, + signal, +) + +__all__ = [ + 'ANY', + 'NamedSignal', + 'Namespace', + 'Signal', + 'WeakNamespace', + 'receiver_connected', + 'signal', + ] + + +__version__ = '1.4' diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker/_saferef.py b/backend/mb-env/lib/python3.9/site-packages/blinker/_saferef.py new file mode 100644 index 0000000..269e362 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker/_saferef.py @@ -0,0 +1,234 @@ +# extracted from Louie, http://pylouie.org/ +# updated for Python 3 +# +# Copyright (c) 2006 Patrick K. O'Brien, Mike C. Fletcher, +# Matthew R. Scott +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# +# * Neither the name of the nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +"""Refactored 'safe reference from dispatcher.py""" + +import operator +import sys +import traceback +import weakref + + +try: + callable +except NameError: + def callable(object): + return hasattr(object, '__call__') + + +if sys.version_info < (3,): + get_self = operator.attrgetter('im_self') + get_func = operator.attrgetter('im_func') +else: + get_self = operator.attrgetter('__self__') + get_func = operator.attrgetter('__func__') + + +def safe_ref(target, on_delete=None): + """Return a *safe* weak reference to a callable target. + + - ``target``: The object to be weakly referenced, if it's a bound + method reference, will create a BoundMethodWeakref, otherwise + creates a simple weakref. + + - ``on_delete``: If provided, will have a hard reference stored to + the callable to be called after the safe reference goes out of + scope with the reference object, (either a weakref or a + BoundMethodWeakref) as argument. + """ + try: + im_self = get_self(target) + except AttributeError: + if callable(on_delete): + return weakref.ref(target, on_delete) + else: + return weakref.ref(target) + else: + if im_self is not None: + # Turn a bound method into a BoundMethodWeakref instance. + # Keep track of these instances for lookup by disconnect(). + assert hasattr(target, 'im_func') or hasattr(target, '__func__'), ( + "safe_ref target %r has im_self, but no im_func, " + "don't know how to create reference" % target) + reference = BoundMethodWeakref(target=target, on_delete=on_delete) + return reference + + +class BoundMethodWeakref(object): + """'Safe' and reusable weak references to instance methods. + + BoundMethodWeakref objects provide a mechanism for referencing a + bound method without requiring that the method object itself + (which is normally a transient object) is kept alive. Instead, + the BoundMethodWeakref object keeps weak references to both the + object and the function which together define the instance method. + + Attributes: + + - ``key``: The identity key for the reference, calculated by the + class's calculate_key method applied to the target instance method. + + - ``deletion_methods``: Sequence of callable objects taking single + argument, a reference to this object which will be called when + *either* the target object or target function is garbage + collected (i.e. when this object becomes invalid). These are + specified as the on_delete parameters of safe_ref calls. + + - ``weak_self``: Weak reference to the target object. + + - ``weak_func``: Weak reference to the target function. + + Class Attributes: + + - ``_all_instances``: Class attribute pointing to all live + BoundMethodWeakref objects indexed by the class's + calculate_key(target) method applied to the target objects. + This weak value dictionary is used to short-circuit creation so + that multiple references to the same (object, function) pair + produce the same BoundMethodWeakref instance. + """ + + _all_instances = weakref.WeakValueDictionary() + + def __new__(cls, target, on_delete=None, *arguments, **named): + """Create new instance or return current instance. + + Basically this method of construction allows us to + short-circuit creation of references to already- referenced + instance methods. The key corresponding to the target is + calculated, and if there is already an existing reference, + that is returned, with its deletion_methods attribute updated. + Otherwise the new instance is created and registered in the + table of already-referenced methods. + """ + key = cls.calculate_key(target) + current = cls._all_instances.get(key) + if current is not None: + current.deletion_methods.append(on_delete) + return current + else: + base = super(BoundMethodWeakref, cls).__new__(cls) + cls._all_instances[key] = base + base.__init__(target, on_delete, *arguments, **named) + return base + + def __init__(self, target, on_delete=None): + """Return a weak-reference-like instance for a bound method. + + - ``target``: The instance-method target for the weak reference, + must have im_self and im_func attributes and be + reconstructable via the following, which is true of built-in + instance methods:: + + target.im_func.__get__( target.im_self ) + + - ``on_delete``: Optional callback which will be called when + this weak reference ceases to be valid (i.e. either the + object or the function is garbage collected). Should take a + single argument, which will be passed a pointer to this + object. + """ + def remove(weak, self=self): + """Set self.isDead to True when method or instance is destroyed.""" + methods = self.deletion_methods[:] + del self.deletion_methods[:] + try: + del self.__class__._all_instances[self.key] + except KeyError: + pass + for function in methods: + try: + if callable(function): + function(self) + except Exception: + try: + traceback.print_exc() + except AttributeError: + e = sys.exc_info()[1] + print ('Exception during saferef %s ' + 'cleanup function %s: %s' % (self, function, e)) + self.deletion_methods = [on_delete] + self.key = self.calculate_key(target) + im_self = get_self(target) + im_func = get_func(target) + self.weak_self = weakref.ref(im_self, remove) + self.weak_func = weakref.ref(im_func, remove) + self.self_name = str(im_self) + self.func_name = str(im_func.__name__) + + def calculate_key(cls, target): + """Calculate the reference key for this reference. + + Currently this is a two-tuple of the id()'s of the target + object and the target function respectively. + """ + return (id(get_self(target)), id(get_func(target))) + calculate_key = classmethod(calculate_key) + + def __str__(self): + """Give a friendly representation of the object.""" + return "%s(%s.%s)" % ( + self.__class__.__name__, + self.self_name, + self.func_name, + ) + + __repr__ = __str__ + + def __nonzero__(self): + """Whether we are still a valid reference.""" + return self() is not None + + def __cmp__(self, other): + """Compare with another reference.""" + if not isinstance(other, self.__class__): + return cmp(self.__class__, type(other)) + return cmp(self.key, other.key) + + def __call__(self): + """Return a strong reference to the bound method. + + If the target cannot be retrieved, then will return None, + otherwise returns a bound instance method for our object and + function. + + Note: You may call this method any number of times, as it does + not invalidate the reference. + """ + target = self.weak_self() + if target is not None: + function = self.weak_func() + if function is not None: + return function.__get__(target) + return None diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker/_utilities.py b/backend/mb-env/lib/python3.9/site-packages/blinker/_utilities.py new file mode 100644 index 0000000..056270d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker/_utilities.py @@ -0,0 +1,163 @@ +from weakref import ref + +from blinker._saferef import BoundMethodWeakref + + +try: + callable +except NameError: + def callable(object): + return hasattr(object, '__call__') + + +try: + from collections import defaultdict +except: + class defaultdict(dict): + + def __init__(self, default_factory=None, *a, **kw): + if (default_factory is not None and + not hasattr(default_factory, '__call__')): + raise TypeError('first argument must be callable') + dict.__init__(self, *a, **kw) + self.default_factory = default_factory + + def __getitem__(self, key): + try: + return dict.__getitem__(self, key) + except KeyError: + return self.__missing__(key) + + def __missing__(self, key): + if self.default_factory is None: + raise KeyError(key) + self[key] = value = self.default_factory() + return value + + def __reduce__(self): + if self.default_factory is None: + args = tuple() + else: + args = self.default_factory, + return type(self), args, None, None, self.items() + + def copy(self): + return self.__copy__() + + def __copy__(self): + return type(self)(self.default_factory, self) + + def __deepcopy__(self, memo): + import copy + return type(self)(self.default_factory, + copy.deepcopy(self.items())) + + def __repr__(self): + return 'defaultdict(%s, %s)' % (self.default_factory, + dict.__repr__(self)) + + +try: + from contextlib import contextmanager +except ImportError: + def contextmanager(fn): + def oops(*args, **kw): + raise RuntimeError("Python 2.5 or above is required to use " + "context managers.") + oops.__name__ = fn.__name__ + return oops + +class _symbol(object): + + def __init__(self, name): + """Construct a new named symbol.""" + self.__name__ = self.name = name + + def __reduce__(self): + return symbol, (self.name,) + + def __repr__(self): + return self.name +_symbol.__name__ = 'symbol' + + +class symbol(object): + """A constant symbol. + + >>> symbol('foo') is symbol('foo') + True + >>> symbol('foo') + foo + + A slight refinement of the MAGICCOOKIE=object() pattern. The primary + advantage of symbol() is its repr(). They are also singletons. + + Repeated calls of symbol('name') will all return the same instance. + + """ + symbols = {} + + def __new__(cls, name): + try: + return cls.symbols[name] + except KeyError: + return cls.symbols.setdefault(name, _symbol(name)) + + +try: + text = (str, unicode) +except NameError: + text = str + + +def hashable_identity(obj): + if hasattr(obj, '__func__'): + return (id(obj.__func__), id(obj.__self__)) + elif hasattr(obj, 'im_func'): + return (id(obj.im_func), id(obj.im_self)) + elif isinstance(obj, text): + return obj + else: + return id(obj) + + +WeakTypes = (ref, BoundMethodWeakref) + + +class annotatable_weakref(ref): + """A weakref.ref that supports custom instance attributes.""" + + +def reference(object, callback=None, **annotations): + """Return an annotated weak ref.""" + if callable(object): + weak = callable_reference(object, callback) + else: + weak = annotatable_weakref(object, callback) + for key, value in annotations.items(): + setattr(weak, key, value) + return weak + + +def callable_reference(object, callback=None): + """Return an annotated weak ref, supporting bound instance methods.""" + if hasattr(object, 'im_self') and object.im_self is not None: + return BoundMethodWeakref(target=object, on_delete=callback) + elif hasattr(object, '__self__') and object.__self__ is not None: + return BoundMethodWeakref(target=object, on_delete=callback) + return annotatable_weakref(object, callback) + + +class lazy_property(object): + """A @property that is only evaluated once.""" + + def __init__(self, deferred): + self._deferred = deferred + self.__doc__ = deferred.__doc__ + + def __get__(self, obj, cls): + if obj is None: + return self + value = self._deferred(obj) + setattr(obj, self._deferred.__name__, value) + return value diff --git a/backend/mb-env/lib/python3.9/site-packages/blinker/base.py b/backend/mb-env/lib/python3.9/site-packages/blinker/base.py new file mode 100644 index 0000000..cc5880e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/blinker/base.py @@ -0,0 +1,455 @@ +# -*- coding: utf-8; fill-column: 76 -*- +"""Signals and events. + +A small implementation of signals, inspired by a snippet of Django signal +API client code seen in a blog post. Signals are first-class objects and +each manages its own receivers and message emission. + +The :func:`signal` function provides singleton behavior for named signals. + +""" +from warnings import warn +from weakref import WeakValueDictionary + +from blinker._utilities import ( + WeakTypes, + contextmanager, + defaultdict, + hashable_identity, + lazy_property, + reference, + symbol, + ) + + +ANY = symbol('ANY') +ANY.__doc__ = 'Token for "any sender".' +ANY_ID = 0 + + +class Signal(object): + """A notification emitter.""" + + #: An :obj:`ANY` convenience synonym, allows ``Signal.ANY`` + #: without an additional import. + ANY = ANY + + @lazy_property + def receiver_connected(self): + """Emitted after each :meth:`connect`. + + The signal sender is the signal instance, and the :meth:`connect` + arguments are passed through: *receiver*, *sender*, and *weak*. + + .. versionadded:: 1.2 + + """ + return Signal(doc="Emitted after a receiver connects.") + + @lazy_property + def receiver_disconnected(self): + """Emitted after :meth:`disconnect`. + + The sender is the signal instance, and the :meth:`disconnect` arguments + are passed through: *receiver* and *sender*. + + Note, this signal is emitted **only** when :meth:`disconnect` is + called explicitly. + + The disconnect signal can not be emitted by an automatic disconnect + (due to a weakly referenced receiver or sender going out of scope), + as the receiver and/or sender instances are no longer available for + use at the time this signal would be emitted. + + An alternative approach is available by subscribing to + :attr:`receiver_connected` and setting up a custom weakref cleanup + callback on weak receivers and senders. + + .. versionadded:: 1.2 + + """ + return Signal(doc="Emitted after a receiver disconnects.") + + def __init__(self, doc=None): + """ + :param doc: optional. If provided, will be assigned to the signal's + __doc__ attribute. + + """ + if doc: + self.__doc__ = doc + #: A mapping of connected receivers. + #: + #: The values of this mapping are not meaningful outside of the + #: internal :class:`Signal` implementation, however the boolean value + #: of the mapping is useful as an extremely efficient check to see if + #: any receivers are connected to the signal. + self.receivers = {} + self._by_receiver = defaultdict(set) + self._by_sender = defaultdict(set) + self._weak_senders = {} + + def connect(self, receiver, sender=ANY, weak=True): + """Connect *receiver* to signal events sent by *sender*. + + :param receiver: A callable. Will be invoked by :meth:`send` with + `sender=` as a single positional argument and any \*\*kwargs that + were provided to a call to :meth:`send`. + + :param sender: Any object or :obj:`ANY`, defaults to ``ANY``. + Restricts notifications delivered to *receiver* to only those + :meth:`send` emissions sent by *sender*. If ``ANY``, the receiver + will always be notified. A *receiver* may be connected to + multiple *sender* values on the same Signal through multiple calls + to :meth:`connect`. + + :param weak: If true, the Signal will hold a weakref to *receiver* + and automatically disconnect when *receiver* goes out of scope or + is garbage collected. Defaults to True. + + """ + receiver_id = hashable_identity(receiver) + if weak: + receiver_ref = reference(receiver, self._cleanup_receiver) + receiver_ref.receiver_id = receiver_id + else: + receiver_ref = receiver + if sender is ANY: + sender_id = ANY_ID + else: + sender_id = hashable_identity(sender) + + self.receivers.setdefault(receiver_id, receiver_ref) + self._by_sender[sender_id].add(receiver_id) + self._by_receiver[receiver_id].add(sender_id) + del receiver_ref + + if sender is not ANY and sender_id not in self._weak_senders: + # wire together a cleanup for weakref-able senders + try: + sender_ref = reference(sender, self._cleanup_sender) + sender_ref.sender_id = sender_id + except TypeError: + pass + else: + self._weak_senders.setdefault(sender_id, sender_ref) + del sender_ref + + # broadcast this connection. if receivers raise, disconnect. + if ('receiver_connected' in self.__dict__ and + self.receiver_connected.receivers): + try: + self.receiver_connected.send(self, + receiver=receiver, + sender=sender, + weak=weak) + except: + self.disconnect(receiver, sender) + raise + if receiver_connected.receivers and self is not receiver_connected: + try: + receiver_connected.send(self, + receiver_arg=receiver, + sender_arg=sender, + weak_arg=weak) + except: + self.disconnect(receiver, sender) + raise + return receiver + + def connect_via(self, sender, weak=False): + """Connect the decorated function as a receiver for *sender*. + + :param sender: Any object or :obj:`ANY`. The decorated function + will only receive :meth:`send` emissions sent by *sender*. If + ``ANY``, the receiver will always be notified. A function may be + decorated multiple times with differing *sender* values. + + :param weak: If true, the Signal will hold a weakref to the + decorated function and automatically disconnect when *receiver* + goes out of scope or is garbage collected. Unlike + :meth:`connect`, this defaults to False. + + The decorated function will be invoked by :meth:`send` with + `sender=` as a single positional argument and any \*\*kwargs that + were provided to the call to :meth:`send`. + + + .. versionadded:: 1.1 + + """ + def decorator(fn): + self.connect(fn, sender, weak) + return fn + return decorator + + @contextmanager + def connected_to(self, receiver, sender=ANY): + """Execute a block with the signal temporarily connected to *receiver*. + + :param receiver: a receiver callable + :param sender: optional, a sender to filter on + + This is a context manager for use in the ``with`` statement. It can + be useful in unit tests. *receiver* is connected to the signal for + the duration of the ``with`` block, and will be disconnected + automatically when exiting the block: + + .. testsetup:: + + from __future__ import with_statement + from blinker import Signal + on_ready = Signal() + receiver = lambda sender: None + + .. testcode:: + + with on_ready.connected_to(receiver): + # do stuff + on_ready.send(123) + + .. versionadded:: 1.1 + + """ + self.connect(receiver, sender=sender, weak=False) + try: + yield None + except: + self.disconnect(receiver) + raise + else: + self.disconnect(receiver) + + def temporarily_connected_to(self, receiver, sender=ANY): + """An alias for :meth:`connected_to`. + + :param receiver: a receiver callable + :param sender: optional, a sender to filter on + + .. versionadded:: 0.9 + + .. versionchanged:: 1.1 + Renamed to :meth:`connected_to`. ``temporarily_connected_to`` was + deprecated in 1.2 and will be removed in a subsequent version. + + """ + warn("temporarily_connected_to is deprecated; " + "use connected_to instead.", + DeprecationWarning) + return self.connected_to(receiver, sender) + + def send(self, *sender, **kwargs): + """Emit this signal on behalf of *sender*, passing on \*\*kwargs. + + Returns a list of 2-tuples, pairing receivers with their return + value. The ordering of receiver notification is undefined. + + :param \*sender: Any object or ``None``. If omitted, synonymous + with ``None``. Only accepts one positional argument. + + :param \*\*kwargs: Data to be sent to receivers. + + """ + # Using '*sender' rather than 'sender=None' allows 'sender' to be + # used as a keyword argument- i.e. it's an invisible name in the + # function signature. + if len(sender) == 0: + sender = None + elif len(sender) > 1: + raise TypeError('send() accepts only one positional argument, ' + '%s given' % len(sender)) + else: + sender = sender[0] + if not self.receivers: + return [] + else: + return [(receiver, receiver(sender, **kwargs)) + for receiver in self.receivers_for(sender)] + + def has_receivers_for(self, sender): + """True if there is probably a receiver for *sender*. + + Performs an optimistic check only. Does not guarantee that all + weakly referenced receivers are still alive. See + :meth:`receivers_for` for a stronger search. + + """ + if not self.receivers: + return False + if self._by_sender[ANY_ID]: + return True + if sender is ANY: + return False + return hashable_identity(sender) in self._by_sender + + def receivers_for(self, sender): + """Iterate all live receivers listening for *sender*.""" + # TODO: test receivers_for(ANY) + if self.receivers: + sender_id = hashable_identity(sender) + if sender_id in self._by_sender: + ids = (self._by_sender[ANY_ID] | + self._by_sender[sender_id]) + else: + ids = self._by_sender[ANY_ID].copy() + for receiver_id in ids: + receiver = self.receivers.get(receiver_id) + if receiver is None: + continue + if isinstance(receiver, WeakTypes): + strong = receiver() + if strong is None: + self._disconnect(receiver_id, ANY_ID) + continue + receiver = strong + yield receiver + + def disconnect(self, receiver, sender=ANY): + """Disconnect *receiver* from this signal's events. + + :param receiver: a previously :meth:`connected` callable + + :param sender: a specific sender to disconnect from, or :obj:`ANY` + to disconnect from all senders. Defaults to ``ANY``. + + """ + if sender is ANY: + sender_id = ANY_ID + else: + sender_id = hashable_identity(sender) + receiver_id = hashable_identity(receiver) + self._disconnect(receiver_id, sender_id) + + if ('receiver_disconnected' in self.__dict__ and + self.receiver_disconnected.receivers): + self.receiver_disconnected.send(self, + receiver=receiver, + sender=sender) + + def _disconnect(self, receiver_id, sender_id): + if sender_id == ANY_ID: + if self._by_receiver.pop(receiver_id, False): + for bucket in self._by_sender.values(): + bucket.discard(receiver_id) + self.receivers.pop(receiver_id, None) + else: + self._by_sender[sender_id].discard(receiver_id) + self._by_receiver[receiver_id].discard(sender_id) + + def _cleanup_receiver(self, receiver_ref): + """Disconnect a receiver from all senders.""" + self._disconnect(receiver_ref.receiver_id, ANY_ID) + + def _cleanup_sender(self, sender_ref): + """Disconnect all receivers from a sender.""" + sender_id = sender_ref.sender_id + assert sender_id != ANY_ID + self._weak_senders.pop(sender_id, None) + for receiver_id in self._by_sender.pop(sender_id, ()): + self._by_receiver[receiver_id].discard(sender_id) + + def _cleanup_bookkeeping(self): + """Prune unused sender/receiver bookeeping. Not threadsafe. + + Connecting & disconnecting leave behind a small amount of bookeeping + for the receiver and sender values. Typical workloads using Blinker, + for example in most web apps, Flask, CLI scripts, etc., are not + adversely affected by this bookkeeping. + + With a long-running Python process performing dynamic signal routing + with high volume- e.g. connecting to function closures, "senders" are + all unique object instances, and doing all of this over and over- you + may see memory usage will grow due to extraneous bookeeping. (An empty + set() for each stale sender/receiver pair.) + + This method will prune that bookeeping away, with the caveat that such + pruning is not threadsafe. The risk is that cleanup of a fully + disconnected receiver/sender pair occurs while another thread is + connecting that same pair. If you are in the highly dynamic, unique + receiver/sender situation that has lead you to this method, that + failure mode is perhaps not a big deal for you. + """ + for mapping in (self._by_sender, self._by_receiver): + for _id, bucket in list(mapping.items()): + if not bucket: + mapping.pop(_id, None) + + def _clear_state(self): + """Throw away all signal state. Useful for unit tests.""" + self._weak_senders.clear() + self.receivers.clear() + self._by_sender.clear() + self._by_receiver.clear() + + +receiver_connected = Signal("""\ +Sent by a :class:`Signal` after a receiver connects. + +:argument: the Signal that was connected to +:keyword receiver_arg: the connected receiver +:keyword sender_arg: the sender to connect to +:keyword weak_arg: true if the connection to receiver_arg is a weak reference + +.. deprecated:: 1.2 + +As of 1.2, individual signals have their own private +:attr:`~Signal.receiver_connected` and +:attr:`~Signal.receiver_disconnected` signals with a slightly simplified +call signature. This global signal is planned to be removed in 1.6. + +""") + + +class NamedSignal(Signal): + """A named generic notification emitter.""" + + def __init__(self, name, doc=None): + Signal.__init__(self, doc) + + #: The name of this signal. + self.name = name + + def __repr__(self): + base = Signal.__repr__(self) + return "%s; %r>" % (base[:-1], self.name) + + +class Namespace(dict): + """A mapping of signal names to signals.""" + + def signal(self, name, doc=None): + """Return the :class:`NamedSignal` *name*, creating it if required. + + Repeated calls to this function will return the same signal object. + + """ + try: + return self[name] + except KeyError: + return self.setdefault(name, NamedSignal(name, doc)) + + +class WeakNamespace(WeakValueDictionary): + """A weak mapping of signal names to signals. + + Automatically cleans up unused Signals when the last reference goes out + of scope. This namespace implementation exists for a measure of legacy + compatibility with Blinker <= 1.2, and may be dropped in the future. + + .. versionadded:: 1.3 + + """ + + def signal(self, name, doc=None): + """Return the :class:`NamedSignal` *name*, creating it if required. + + Repeated calls to this function will return the same signal object. + + """ + try: + return self[name] + except KeyError: + return self.setdefault(name, NamedSignal(name, doc)) + + +signal = Namespace().signal diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/__init__.py b/backend/mb-env/lib/python3.9/site-packages/bson/__init__.py new file mode 100644 index 0000000..ece0e40 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/__init__.py @@ -0,0 +1,1274 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""BSON (Binary JSON) encoding and decoding. + +The mapping from Python types to BSON types is as follows: + +======================================= ============= =================== +Python Type BSON Type Supported Direction +======================================= ============= =================== +None null both +bool boolean both +int [#int]_ int32 / int64 py -> bson +long int64 py -> bson +`bson.int64.Int64` int64 both +float number (real) both +string string py -> bson +unicode string both +list array both +dict / `SON` object both +datetime.datetime [#dt]_ [#dt2]_ date both +`bson.regex.Regex` regex both +compiled re [#re]_ regex py -> bson +`bson.binary.Binary` binary both +`bson.objectid.ObjectId` oid both +`bson.dbref.DBRef` dbref both +None undefined bson -> py +unicode code bson -> py +`bson.code.Code` code py -> bson +unicode symbol bson -> py +bytes (Python 3) [#bytes]_ binary both +======================================= ============= =================== + +Note that, when using Python 2.x, to save binary data it must be wrapped as +an instance of `bson.binary.Binary`. Otherwise it will be saved as a BSON +string and retrieved as unicode. Users of Python 3.x can use the Python bytes +type. + +.. [#int] A Python int will be saved as a BSON int32 or BSON int64 depending + on its size. A BSON int32 will always decode to a Python int. A BSON + int64 will always decode to a :class:`~bson.int64.Int64`. +.. [#dt] datetime.datetime instances will be rounded to the nearest + millisecond when saved +.. [#dt2] all datetime.datetime instances are treated as *naive*. clients + should always use UTC. +.. [#re] :class:`~bson.regex.Regex` instances and regular expression + objects from ``re.compile()`` are both saved as BSON regular expressions. + BSON regular expressions are decoded as :class:`~bson.regex.Regex` + instances. +.. [#bytes] The bytes type from Python 3.x is encoded as BSON binary with + subtype 0. In Python 3.x it will be decoded back to bytes. In Python 2.x + it will be decoded to an instance of :class:`~bson.binary.Binary` with + subtype 0. +""" + +import calendar +import datetime +import itertools +import platform +import re +import struct +import sys +import uuid + +from codecs import (utf_8_decode as _utf_8_decode, + utf_8_encode as _utf_8_encode) + +from bson.binary import (Binary, UuidRepresentation, ALL_UUID_SUBTYPES, + OLD_UUID_SUBTYPE, + JAVA_LEGACY, CSHARP_LEGACY, + UUIDLegacy, UUID_SUBTYPE) +from bson.code import Code +from bson.codec_options import ( + CodecOptions, DEFAULT_CODEC_OPTIONS, _raw_document_class) +from bson.dbref import DBRef +from bson.decimal128 import Decimal128 +from bson.errors import (InvalidBSON, + InvalidDocument, + InvalidStringData) +from bson.int64 import Int64 +from bson.max_key import MaxKey +from bson.min_key import MinKey +from bson.objectid import ObjectId +from bson.py3compat import (abc, + b, + PY3, + iteritems, + text_type, + string_type, + reraise) +from bson.regex import Regex +from bson.son import SON, RE_TYPE +from bson.timestamp import Timestamp +from bson.tz_util import utc + + +try: + from bson import _cbson + _USE_C = True +except ImportError: + _USE_C = False + + +EPOCH_AWARE = datetime.datetime.fromtimestamp(0, utc) +EPOCH_NAIVE = datetime.datetime.utcfromtimestamp(0) + + +BSONNUM = b"\x01" # Floating point +BSONSTR = b"\x02" # UTF-8 string +BSONOBJ = b"\x03" # Embedded document +BSONARR = b"\x04" # Array +BSONBIN = b"\x05" # Binary +BSONUND = b"\x06" # Undefined +BSONOID = b"\x07" # ObjectId +BSONBOO = b"\x08" # Boolean +BSONDAT = b"\x09" # UTC Datetime +BSONNUL = b"\x0A" # Null +BSONRGX = b"\x0B" # Regex +BSONREF = b"\x0C" # DBRef +BSONCOD = b"\x0D" # Javascript code +BSONSYM = b"\x0E" # Symbol +BSONCWS = b"\x0F" # Javascript code with scope +BSONINT = b"\x10" # 32bit int +BSONTIM = b"\x11" # Timestamp +BSONLON = b"\x12" # 64bit int +BSONDEC = b"\x13" # Decimal128 +BSONMIN = b"\xFF" # Min key +BSONMAX = b"\x7F" # Max key + + +_UNPACK_FLOAT_FROM = struct.Struct("= obj_end: + raise InvalidBSON("invalid object length") + # If this is the top-level document, validate the total size too. + if position == 0 and obj_size != obj_end: + raise InvalidBSON("invalid object length") + return obj_size, end + + +def _get_object(data, view, position, obj_end, opts, dummy): + """Decode a BSON subdocument to opts.document_class or bson.dbref.DBRef.""" + obj_size, end = _get_object_size(data, position, obj_end) + if _raw_document_class(opts.document_class): + return (opts.document_class(data[position:end + 1], opts), + position + obj_size) + + obj = _elements_to_dict(data, view, position + 4, end, opts) + + position += obj_size + if "$ref" in obj: + return (DBRef(obj.pop("$ref"), obj.pop("$id", None), + obj.pop("$db", None), obj), position) + return obj, position + + +def _get_array(data, view, position, obj_end, opts, element_name): + """Decode a BSON array to python list.""" + size = _UNPACK_INT_FROM(data, position)[0] + end = position + size - 1 + if data[end] != _OBJEND: + raise InvalidBSON("bad eoo") + + position += 4 + end -= 1 + result = [] + + # Avoid doing global and attribute lookups in the loop. + append = result.append + index = data.index + getter = _ELEMENT_GETTER + decoder_map = opts.type_registry._decoder_map + + while position < end: + element_type = data[position] + # Just skip the keys. + position = index(b'\x00', position) + 1 + try: + value, position = getter[element_type]( + data, view, position, obj_end, opts, element_name) + except KeyError: + _raise_unknown_type(element_type, element_name) + + if decoder_map: + custom_decoder = decoder_map.get(type(value)) + if custom_decoder is not None: + value = custom_decoder(value) + + append(value) + + if position != end + 1: + raise InvalidBSON('bad array length') + return result, position + 1 + + +def _get_binary(data, view, position, obj_end, opts, dummy1): + """Decode a BSON binary to bson.binary.Binary or python UUID.""" + length, subtype = _UNPACK_LENGTH_SUBTYPE_FROM(data, position) + position += 5 + if subtype == 2: + length2 = _UNPACK_INT_FROM(data, position)[0] + position += 4 + if length2 != length - 4: + raise InvalidBSON("invalid binary (st 2) - lengths don't match!") + length = length2 + end = position + length + if length < 0 or end > obj_end: + raise InvalidBSON('bad binary object length') + + # Convert UUID subtypes to native UUIDs. + # TODO: PYTHON-2245 Decoding should follow UUID spec in PyMongo 4.0+ + if subtype in ALL_UUID_SUBTYPES: + uuid_representation = opts.uuid_representation + binary_value = Binary(data[position:end], subtype) + if uuid_representation == UuidRepresentation.UNSPECIFIED: + return binary_value, end + if subtype == UUID_SUBTYPE: + # Legacy behavior: use STANDARD with binary subtype 4. + uuid_representation = UuidRepresentation.STANDARD + elif uuid_representation == UuidRepresentation.STANDARD: + # subtype == OLD_UUID_SUBTYPE + # Legacy behavior: STANDARD is the same as PYTHON_LEGACY. + uuid_representation = UuidRepresentation.PYTHON_LEGACY + return binary_value.as_uuid(uuid_representation), end + + # Python3 special case. Decode subtype 0 to 'bytes'. + if PY3 and subtype == 0: + value = data[position:end] + else: + value = Binary(data[position:end], subtype) + + return value, end + + +def _get_oid(data, view, position, dummy0, dummy1, dummy2): + """Decode a BSON ObjectId to bson.objectid.ObjectId.""" + end = position + 12 + return ObjectId(data[position:end]), end + + +def _get_boolean(data, view, position, dummy0, dummy1, dummy2): + """Decode a BSON true/false to python True/False.""" + end = position + 1 + boolean_byte = data[position:end] + if boolean_byte == b'\x00': + return False, end + elif boolean_byte == b'\x01': + return True, end + raise InvalidBSON('invalid boolean value: %r' % boolean_byte) + + +def _get_date(data, view, position, dummy0, opts, dummy1): + """Decode a BSON datetime to python datetime.datetime.""" + return _millis_to_datetime( + _UNPACK_LONG_FROM(data, position)[0], opts), position + 8 + + +def _get_code(data, view, position, obj_end, opts, element_name): + """Decode a BSON code to bson.code.Code.""" + code, position = _get_string(data, view, position, obj_end, opts, element_name) + return Code(code), position + + +def _get_code_w_scope(data, view, position, obj_end, opts, element_name): + """Decode a BSON code_w_scope to bson.code.Code.""" + code_end = position + _UNPACK_INT_FROM(data, position)[0] + code, position = _get_string( + data, view, position + 4, code_end, opts, element_name) + scope, position = _get_object(data, view, position, code_end, opts, element_name) + if position != code_end: + raise InvalidBSON('scope outside of javascript code boundaries') + return Code(code, scope), position + + +def _get_regex(data, view, position, dummy0, opts, dummy1): + """Decode a BSON regex to bson.regex.Regex or a python pattern object.""" + pattern, position = _get_c_string(data, view, position, opts) + bson_flags, position = _get_c_string(data, view, position, opts) + bson_re = Regex(pattern, bson_flags) + return bson_re, position + + +def _get_ref(data, view, position, obj_end, opts, element_name): + """Decode (deprecated) BSON DBPointer to bson.dbref.DBRef.""" + collection, position = _get_string( + data, view, position, obj_end, opts, element_name) + oid, position = _get_oid(data, view, position, obj_end, opts, element_name) + return DBRef(collection, oid), position + + +def _get_timestamp(data, view, position, dummy0, dummy1, dummy2): + """Decode a BSON timestamp to bson.timestamp.Timestamp.""" + inc, timestamp = _UNPACK_TIMESTAMP_FROM(data, position) + return Timestamp(timestamp, inc), position + 8 + + +def _get_int64(data, view, position, dummy0, dummy1, dummy2): + """Decode a BSON int64 to bson.int64.Int64.""" + return Int64(_UNPACK_LONG_FROM(data, position)[0]), position + 8 + + +def _get_decimal128(data, view, position, dummy0, dummy1, dummy2): + """Decode a BSON decimal128 to bson.decimal128.Decimal128.""" + end = position + 16 + return Decimal128.from_bid(data[position:end]), end + + +# Each decoder function's signature is: +# - data: bytes +# - view: memoryview that references `data` +# - position: int, beginning of object in 'data' to decode +# - obj_end: int, end of object to decode in 'data' if variable-length type +# - opts: a CodecOptions +_ELEMENT_GETTER = { + _maybe_ord(BSONNUM): _get_float, + _maybe_ord(BSONSTR): _get_string, + _maybe_ord(BSONOBJ): _get_object, + _maybe_ord(BSONARR): _get_array, + _maybe_ord(BSONBIN): _get_binary, + _maybe_ord(BSONUND): lambda u, v, w, x, y, z: (None, w), # Deprecated undefined + _maybe_ord(BSONOID): _get_oid, + _maybe_ord(BSONBOO): _get_boolean, + _maybe_ord(BSONDAT): _get_date, + _maybe_ord(BSONNUL): lambda u, v, w, x, y, z: (None, w), + _maybe_ord(BSONRGX): _get_regex, + _maybe_ord(BSONREF): _get_ref, # Deprecated DBPointer + _maybe_ord(BSONCOD): _get_code, + _maybe_ord(BSONSYM): _get_string, # Deprecated symbol + _maybe_ord(BSONCWS): _get_code_w_scope, + _maybe_ord(BSONINT): _get_int, + _maybe_ord(BSONTIM): _get_timestamp, + _maybe_ord(BSONLON): _get_int64, + _maybe_ord(BSONDEC): _get_decimal128, + _maybe_ord(BSONMIN): lambda u, v, w, x, y, z: (MinKey(), w), + _maybe_ord(BSONMAX): lambda u, v, w, x, y, z: (MaxKey(), w)} + + +if _USE_C: + def _element_to_dict(data, view, position, obj_end, opts): + return _cbson._element_to_dict(data, position, obj_end, opts) +else: + def _element_to_dict(data, view, position, obj_end, opts): + """Decode a single key, value pair.""" + element_type = data[position] + position += 1 + element_name, position = _get_c_string(data, view, position, opts) + try: + value, position = _ELEMENT_GETTER[element_type](data, view, position, + obj_end, opts, + element_name) + except KeyError: + _raise_unknown_type(element_type, element_name) + + if opts.type_registry._decoder_map: + custom_decoder = opts.type_registry._decoder_map.get(type(value)) + if custom_decoder is not None: + value = custom_decoder(value) + + return element_name, value, position + + +def _raw_to_dict(data, position, obj_end, opts, result): + data, view = get_data_and_view(data) + return _elements_to_dict(data, view, position, obj_end, opts, result) + + +def _elements_to_dict(data, view, position, obj_end, opts, result=None): + """Decode a BSON document into result.""" + if result is None: + result = opts.document_class() + end = obj_end - 1 + while position < end: + key, value, position = _element_to_dict(data, view, position, obj_end, opts) + result[key] = value + if position != obj_end: + raise InvalidBSON('bad object or element length') + return result + + +def _bson_to_dict(data, opts): + """Decode a BSON string to document_class.""" + data, view = get_data_and_view(data) + try: + if _raw_document_class(opts.document_class): + return opts.document_class(data, opts) + _, end = _get_object_size(data, 0, len(data)) + return _elements_to_dict(data, view, 4, end, opts) + except InvalidBSON: + raise + except Exception: + # Change exception type to InvalidBSON but preserve traceback. + _, exc_value, exc_tb = sys.exc_info() + reraise(InvalidBSON, exc_value, exc_tb) +if _USE_C: + _bson_to_dict = _cbson._bson_to_dict + + +_PACK_FLOAT = struct.Struct(">> import collections # From Python standard library. + >>> import bson + >>> from bson.codec_options import CodecOptions + >>> data = bson.encode({'a': 1}) + >>> decoded_doc = bson.decode(data) + + >>> options = CodecOptions(document_class=collections.OrderedDict) + >>> decoded_doc = bson.decode(data, codec_options=options) + >>> type(decoded_doc) + + + :Parameters: + - `data`: the BSON to decode. Any bytes-like object that implements + the buffer protocol. + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionadded:: 3.9 + """ + if not isinstance(codec_options, CodecOptions): + raise _CODEC_OPTIONS_TYPE_ERROR + + return _bson_to_dict(data, codec_options) + + +def decode_all(data, codec_options=DEFAULT_CODEC_OPTIONS): + """Decode BSON data to multiple documents. + + `data` must be a bytes-like object implementing the buffer protocol that + provides concatenated, valid, BSON-encoded documents. + + :Parameters: + - `data`: BSON data + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionchanged:: 3.9 + Supports bytes-like objects that implement the buffer protocol. + + .. versionchanged:: 3.0 + Removed `compile_re` option: PyMongo now always represents BSON regular + expressions as :class:`~bson.regex.Regex` objects. Use + :meth:`~bson.regex.Regex.try_compile` to attempt to convert from a + BSON regular expression to a Python regular expression object. + + Replaced `as_class`, `tz_aware`, and `uuid_subtype` options with + `codec_options`. + + .. versionchanged:: 2.7 + Added `compile_re` option. If set to False, PyMongo represented BSON + regular expressions as :class:`~bson.regex.Regex` objects instead of + attempting to compile BSON regular expressions as Python native + regular expressions, thus preventing errors for some incompatible + patterns, see `PYTHON-500`_. + + .. _PYTHON-500: https://jira.mongodb.org/browse/PYTHON-500 + """ + data, view = get_data_and_view(data) + if not isinstance(codec_options, CodecOptions): + raise _CODEC_OPTIONS_TYPE_ERROR + + data_len = len(data) + docs = [] + position = 0 + end = data_len - 1 + use_raw = _raw_document_class(codec_options.document_class) + try: + while position < end: + obj_size = _UNPACK_INT_FROM(data, position)[0] + if data_len - position < obj_size: + raise InvalidBSON("invalid object size") + obj_end = position + obj_size - 1 + if data[obj_end] != _OBJEND: + raise InvalidBSON("bad eoo") + if use_raw: + docs.append( + codec_options.document_class( + data[position:obj_end + 1], codec_options)) + else: + docs.append(_elements_to_dict(data, + view, + position + 4, + obj_end, + codec_options)) + position += obj_size + return docs + except InvalidBSON: + raise + except Exception: + # Change exception type to InvalidBSON but preserve traceback. + _, exc_value, exc_tb = sys.exc_info() + reraise(InvalidBSON, exc_value, exc_tb) + + +if _USE_C: + decode_all = _cbson.decode_all + + +def _decode_selective(rawdoc, fields, codec_options): + if _raw_document_class(codec_options.document_class): + # If document_class is RawBSONDocument, use vanilla dictionary for + # decoding command response. + doc = {} + else: + # Else, use the specified document_class. + doc = codec_options.document_class() + for key, value in iteritems(rawdoc): + if key in fields: + if fields[key] == 1: + doc[key] = _bson_to_dict(rawdoc.raw, codec_options)[key] + else: + doc[key] = _decode_selective(value, fields[key], codec_options) + else: + doc[key] = value + return doc + + +def _convert_raw_document_lists_to_streams(document): + cursor = document.get('cursor') + if cursor: + for key in ('firstBatch', 'nextBatch'): + batch = cursor.get(key) + if batch: + stream = b"".join(doc.raw for doc in batch) + cursor[key] = [stream] + + +def _decode_all_selective(data, codec_options, fields): + """Decode BSON data to a single document while using user-provided + custom decoding logic. + + `data` must be a string representing a valid, BSON-encoded document. + + :Parameters: + - `data`: BSON data + - `codec_options`: An instance of + :class:`~bson.codec_options.CodecOptions` with user-specified type + decoders. If no decoders are found, this method is the same as + ``decode_all``. + - `fields`: Map of document namespaces where data that needs + to be custom decoded lives or None. For example, to custom decode a + list of objects in 'field1.subfield1', the specified value should be + ``{'field1': {'subfield1': 1}}``. If ``fields`` is an empty map or + None, this method is the same as ``decode_all``. + + :Returns: + - `document_list`: Single-member list containing the decoded document. + + .. versionadded:: 3.8 + """ + if not codec_options.type_registry._decoder_map: + return decode_all(data, codec_options) + + if not fields: + return decode_all(data, codec_options.with_options(type_registry=None)) + + # Decode documents for internal use. + from bson.raw_bson import RawBSONDocument + internal_codec_options = codec_options.with_options( + document_class=RawBSONDocument, type_registry=None) + _doc = _bson_to_dict(data, internal_codec_options) + return [_decode_selective(_doc, fields, codec_options,)] + + +def decode_iter(data, codec_options=DEFAULT_CODEC_OPTIONS): + """Decode BSON data to multiple documents as a generator. + + Works similarly to the decode_all function, but yields one document at a + time. + + `data` must be a string of concatenated, valid, BSON-encoded + documents. + + :Parameters: + - `data`: BSON data + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionchanged:: 3.0 + Replaced `as_class`, `tz_aware`, and `uuid_subtype` options with + `codec_options`. + + .. versionadded:: 2.8 + """ + if not isinstance(codec_options, CodecOptions): + raise _CODEC_OPTIONS_TYPE_ERROR + + position = 0 + end = len(data) - 1 + while position < end: + obj_size = _UNPACK_INT_FROM(data, position)[0] + elements = data[position:position + obj_size] + position += obj_size + + yield _bson_to_dict(elements, codec_options) + + +def decode_file_iter(file_obj, codec_options=DEFAULT_CODEC_OPTIONS): + """Decode bson data from a file to multiple documents as a generator. + + Works similarly to the decode_all function, but reads from the file object + in chunks and parses bson in chunks, yielding one document at a time. + + :Parameters: + - `file_obj`: A file object containing BSON data. + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionchanged:: 3.0 + Replaced `as_class`, `tz_aware`, and `uuid_subtype` options with + `codec_options`. + + .. versionadded:: 2.8 + """ + while True: + # Read size of next object. + size_data = file_obj.read(4) + if not size_data: + break # Finished with file normaly. + elif len(size_data) != 4: + raise InvalidBSON("cut off in middle of objsize") + obj_size = _UNPACK_INT_FROM(size_data, 0)[0] - 4 + elements = size_data + file_obj.read(max(0, obj_size)) + yield _bson_to_dict(elements, codec_options) + + +def is_valid(bson): + """Check that the given string represents valid :class:`BSON` data. + + Raises :class:`TypeError` if `bson` is not an instance of + :class:`str` (:class:`bytes` in python 3). Returns ``True`` + if `bson` is valid :class:`BSON`, ``False`` otherwise. + + :Parameters: + - `bson`: the data to be validated + """ + if not isinstance(bson, bytes): + raise TypeError("BSON data must be an instance of a subclass of bytes") + + try: + _bson_to_dict(bson, DEFAULT_CODEC_OPTIONS) + return True + except Exception: + return False + + +class BSON(bytes): + """BSON (Binary JSON) data. + + .. warning:: Using this class to encode and decode BSON adds a performance + cost. For better performance use the module level functions + :func:`encode` and :func:`decode` instead. + """ + + @classmethod + def encode(cls, document, check_keys=False, + codec_options=DEFAULT_CODEC_OPTIONS): + """Encode a document to a new :class:`BSON` instance. + + A document can be any mapping type (like :class:`dict`). + + Raises :class:`TypeError` if `document` is not a mapping type, + or contains keys that are not instances of + :class:`basestring` (:class:`str` in python 3). Raises + :class:`~bson.errors.InvalidDocument` if `document` cannot be + converted to :class:`BSON`. + + :Parameters: + - `document`: mapping type representing a document + - `check_keys` (optional): check if keys start with '$' or + contain '.', raising :class:`~bson.errors.InvalidDocument` in + either case + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionchanged:: 3.0 + Replaced `uuid_subtype` option with `codec_options`. + """ + return cls(encode(document, check_keys, codec_options)) + + def decode(self, codec_options=DEFAULT_CODEC_OPTIONS): + """Decode this BSON data. + + By default, returns a BSON document represented as a Python + :class:`dict`. To use a different :class:`MutableMapping` class, + configure a :class:`~bson.codec_options.CodecOptions`:: + + >>> import collections # From Python standard library. + >>> import bson + >>> from bson.codec_options import CodecOptions + >>> data = bson.BSON.encode({'a': 1}) + >>> decoded_doc = bson.BSON(data).decode() + + >>> options = CodecOptions(document_class=collections.OrderedDict) + >>> decoded_doc = bson.BSON(data).decode(codec_options=options) + >>> type(decoded_doc) + + + :Parameters: + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions`. + + .. versionchanged:: 3.0 + Removed `compile_re` option: PyMongo now always represents BSON + regular expressions as :class:`~bson.regex.Regex` objects. Use + :meth:`~bson.regex.Regex.try_compile` to attempt to convert from a + BSON regular expression to a Python regular expression object. + + Replaced `as_class`, `tz_aware`, and `uuid_subtype` options with + `codec_options`. + + .. versionchanged:: 2.7 + Added `compile_re` option. If set to False, PyMongo represented BSON + regular expressions as :class:`~bson.regex.Regex` objects instead of + attempting to compile BSON regular expressions as Python native + regular expressions, thus preventing errors for some incompatible + patterns, see `PYTHON-500`_. + + .. _PYTHON-500: https://jira.mongodb.org/browse/PYTHON-500 + """ + return decode(self, codec_options) + + +def has_c(): + """Is the C extension installed? + """ + return _USE_C diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/_cbson.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/bson/_cbson.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..b552625 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/bson/_cbson.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/binary.py b/backend/mb-env/lib/python3.9/site-packages/bson/binary.py new file mode 100644 index 0000000..d1f5aae --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/binary.py @@ -0,0 +1,430 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from uuid import UUID +from warnings import warn + +from bson.py3compat import PY3 + +"""Tools for representing BSON binary data. +""" + +BINARY_SUBTYPE = 0 +"""BSON binary subtype for binary data. + +This is the default subtype for binary data. +""" + +FUNCTION_SUBTYPE = 1 +"""BSON binary subtype for functions. +""" + +OLD_BINARY_SUBTYPE = 2 +"""Old BSON binary subtype for binary data. + +This is the old default subtype, the current +default is :data:`BINARY_SUBTYPE`. +""" + +OLD_UUID_SUBTYPE = 3 +"""Old BSON binary subtype for a UUID. + +:class:`uuid.UUID` instances will automatically be encoded +by :mod:`bson` using this subtype. + +.. versionadded:: 2.1 +""" + +UUID_SUBTYPE = 4 +"""BSON binary subtype for a UUID. + +This is the new BSON binary subtype for UUIDs. The +current default is :data:`OLD_UUID_SUBTYPE`. + +.. versionchanged:: 2.1 + Changed to subtype 4. +""" + + +class UuidRepresentation: + UNSPECIFIED = 0 + """An unspecified UUID representation. + + When configured, :class:`uuid.UUID` instances will **not** be + automatically encoded to or decoded from :class:`~bson.binary.Binary`. + When encoding a :class:`uuid.UUID` instance, an error will be raised. + To encode a :class:`uuid.UUID` instance with this configuration, it must + be wrapped in the :class:`~bson.binary.Binary` class by the application + code. When decoding a BSON binary field with a UUID subtype, a + :class:`~bson.binary.Binary` instance will be returned instead of a + :class:`uuid.UUID` instance. + + See :ref:`unspecified-representation-details` for details. + + .. versionadded:: 3.11 + """ + + STANDARD = UUID_SUBTYPE + """The standard UUID representation. + + :class:`uuid.UUID` instances will automatically be encoded to + and decoded from BSON binary, using RFC-4122 byte order with + binary subtype :data:`UUID_SUBTYPE`. + + See :ref:`standard-representation-details` for details. + + .. versionadded:: 3.11 + """ + + PYTHON_LEGACY = OLD_UUID_SUBTYPE + """The Python legacy UUID representation. + + :class:`uuid.UUID` instances will automatically be encoded to + and decoded from BSON binary, using RFC-4122 byte order with + binary subtype :data:`OLD_UUID_SUBTYPE`. + + See :ref:`python-legacy-representation-details` for details. + + .. versionadded:: 3.11 + """ + + JAVA_LEGACY = 5 + """The Java legacy UUID representation. + + :class:`uuid.UUID` instances will automatically be encoded to + and decoded from BSON binary subtype :data:`OLD_UUID_SUBTYPE`, + using the Java driver's legacy byte order. + + See :ref:`java-legacy-representation-details` for details. + + .. versionadded:: 3.11 + """ + + CSHARP_LEGACY = 6 + """The C#/.net legacy UUID representation. + + :class:`uuid.UUID` instances will automatically be encoded to + and decoded from BSON binary subtype :data:`OLD_UUID_SUBTYPE`, + using the C# driver's legacy byte order. + + See :ref:`csharp-legacy-representation-details` for details. + + .. versionadded:: 3.11 + """ + + +STANDARD = UuidRepresentation.STANDARD +"""An alias for :data:`UuidRepresentation.STANDARD`. + +.. versionadded:: 3.0 +""" + +PYTHON_LEGACY = UuidRepresentation.PYTHON_LEGACY +"""An alias for :data:`UuidRepresentation.PYTHON_LEGACY`. + +.. versionadded:: 3.0 +""" + +JAVA_LEGACY = UuidRepresentation.JAVA_LEGACY +"""An alias for :data:`UuidRepresentation.JAVA_LEGACY`. + +.. versionchanged:: 3.6 + BSON binary subtype 4 is decoded using RFC-4122 byte order. +.. versionadded:: 2.3 +""" + +CSHARP_LEGACY = UuidRepresentation.CSHARP_LEGACY +"""An alias for :data:`UuidRepresentation.CSHARP_LEGACY`. + +.. versionchanged:: 3.6 + BSON binary subtype 4 is decoded using RFC-4122 byte order. +.. versionadded:: 2.3 +""" + +ALL_UUID_SUBTYPES = (OLD_UUID_SUBTYPE, UUID_SUBTYPE) +ALL_UUID_REPRESENTATIONS = (UuidRepresentation.UNSPECIFIED, + UuidRepresentation.STANDARD, + UuidRepresentation.PYTHON_LEGACY, + UuidRepresentation.JAVA_LEGACY, + UuidRepresentation.CSHARP_LEGACY) +UUID_REPRESENTATION_NAMES = { + UuidRepresentation.UNSPECIFIED: 'UuidRepresentation.UNSPECIFIED', + UuidRepresentation.STANDARD: 'UuidRepresentation.STANDARD', + UuidRepresentation.PYTHON_LEGACY: 'UuidRepresentation.PYTHON_LEGACY', + UuidRepresentation.JAVA_LEGACY: 'UuidRepresentation.JAVA_LEGACY', + UuidRepresentation.CSHARP_LEGACY: 'UuidRepresentation.CSHARP_LEGACY'} + +MD5_SUBTYPE = 5 +"""BSON binary subtype for an MD5 hash. +""" + +USER_DEFINED_SUBTYPE = 128 +"""BSON binary subtype for any user defined structure. +""" + + +class Binary(bytes): + """Representation of BSON binary data. + + This is necessary because we want to represent Python strings as + the BSON string type. We need to wrap binary data so we can tell + the difference between what should be considered binary data and + what should be considered a string when we encode to BSON. + + Raises TypeError if `data` is not an instance of :class:`bytes` + (:class:`str` in python 2) or `subtype` is not an instance of + :class:`int`. Raises ValueError if `subtype` is not in [0, 256). + + .. note:: + In python 3 instances of Binary with subtype 0 will be decoded + directly to :class:`bytes`. + + :Parameters: + - `data`: the binary data to represent. Can be any bytes-like type + that implements the buffer protocol. + - `subtype` (optional): the `binary subtype + `_ + to use + + .. versionchanged:: 3.9 + Support any bytes-like type that implements the buffer protocol. + """ + + _type_marker = 5 + + def __new__(cls, data, subtype=BINARY_SUBTYPE): + if not isinstance(subtype, int): + raise TypeError("subtype must be an instance of int") + if subtype >= 256 or subtype < 0: + raise ValueError("subtype must be contained in [0, 256)") + # Support any type that implements the buffer protocol. + self = bytes.__new__(cls, memoryview(data).tobytes()) + self.__subtype = subtype + return self + + @classmethod + def from_uuid(cls, uuid, uuid_representation=UuidRepresentation.STANDARD): + """Create a BSON Binary object from a Python UUID. + + Creates a :class:`~bson.binary.Binary` object from a + :class:`uuid.UUID` instance. Assumes that the native + :class:`uuid.UUID` instance uses the byte-order implied by the + provided ``uuid_representation``. + + Raises :exc:`TypeError` if `uuid` is not an instance of + :class:`~uuid.UUID`. + + :Parameters: + - `uuid`: A :class:`uuid.UUID` instance. + - `uuid_representation`: A member of + :class:`~bson.binary.UuidRepresentation`. Default: + :const:`~bson.binary.UuidRepresentation.STANDARD`. + See :ref:`handling-uuid-data-example` for details. + + .. versionadded:: 3.11 + """ + if not isinstance(uuid, UUID): + raise TypeError("uuid must be an instance of uuid.UUID") + + if uuid_representation not in ALL_UUID_REPRESENTATIONS: + raise ValueError("uuid_representation must be a value " + "from bson.binary.UuidRepresentation") + + if uuid_representation == UuidRepresentation.UNSPECIFIED: + raise ValueError( + "cannot encode native uuid.UUID with " + "UuidRepresentation.UNSPECIFIED. UUIDs can be manually " + "converted to bson.Binary instances using " + "bson.Binary.from_uuid() or a different UuidRepresentation " + "can be configured. See the documentation for " + "UuidRepresentation for more information.") + + subtype = OLD_UUID_SUBTYPE + if uuid_representation == UuidRepresentation.PYTHON_LEGACY: + payload = uuid.bytes + elif uuid_representation == UuidRepresentation.JAVA_LEGACY: + from_uuid = uuid.bytes + payload = from_uuid[0:8][::-1] + from_uuid[8:16][::-1] + elif uuid_representation == UuidRepresentation.CSHARP_LEGACY: + payload = uuid.bytes_le + else: + # uuid_representation == UuidRepresentation.STANDARD + subtype = UUID_SUBTYPE + payload = uuid.bytes + + return cls(payload, subtype) + + def as_uuid(self, uuid_representation=UuidRepresentation.STANDARD): + """Create a Python UUID from this BSON Binary object. + + Decodes this binary object as a native :class:`uuid.UUID` instance + with the provided ``uuid_representation``. + + Raises :exc:`ValueError` if this :class:`~bson.binary.Binary` instance + does not contain a UUID. + + :Parameters: + - `uuid_representation`: A member of + :class:`~bson.binary.UuidRepresentation`. Default: + :const:`~bson.binary.UuidRepresentation.STANDARD`. + See :ref:`handling-uuid-data-example` for details. + + .. versionadded:: 3.11 + """ + if self.subtype not in ALL_UUID_SUBTYPES: + raise ValueError("cannot decode subtype %s as a uuid" % ( + self.subtype,)) + + if uuid_representation not in ALL_UUID_REPRESENTATIONS: + raise ValueError("uuid_representation must be a value from " + "bson.binary.UuidRepresentation") + + if uuid_representation == UuidRepresentation.UNSPECIFIED: + raise ValueError("uuid_representation cannot be UNSPECIFIED") + elif uuid_representation == UuidRepresentation.PYTHON_LEGACY: + if self.subtype == OLD_UUID_SUBTYPE: + return UUID(bytes=self) + elif uuid_representation == UuidRepresentation.JAVA_LEGACY: + if self.subtype == OLD_UUID_SUBTYPE: + return UUID(bytes=self[0:8][::-1] + self[8:16][::-1]) + elif uuid_representation == UuidRepresentation.CSHARP_LEGACY: + if self.subtype == OLD_UUID_SUBTYPE: + return UUID(bytes_le=self) + else: + # uuid_representation == UuidRepresentation.STANDARD + if self.subtype == UUID_SUBTYPE: + return UUID(bytes=self) + + raise ValueError("cannot decode subtype %s to %s" % ( + self.subtype, UUID_REPRESENTATION_NAMES[uuid_representation])) + + @property + def subtype(self): + """Subtype of this binary data. + """ + return self.__subtype + + def __getnewargs__(self): + # Work around http://bugs.python.org/issue7382 + data = super(Binary, self).__getnewargs__()[0] + if PY3 and not isinstance(data, bytes): + data = data.encode('latin-1') + return data, self.__subtype + + def __eq__(self, other): + if isinstance(other, Binary): + return ((self.__subtype, bytes(self)) == + (other.subtype, bytes(other))) + # We don't return NotImplemented here because if we did then + # Binary("foo") == "foo" would return True, since Binary is a + # subclass of str... + return False + + def __hash__(self): + return super(Binary, self).__hash__() ^ hash(self.__subtype) + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return "Binary(%s, %s)" % (bytes.__repr__(self), self.__subtype) + + +class UUIDLegacy(Binary): + """**DEPRECATED** - UUID wrapper to support working with UUIDs stored as + PYTHON_LEGACY. + + .. note:: This class has been deprecated and will be removed in + PyMongo 4.0. Use :meth:`~bson.binary.Binary.from_uuid` and + :meth:`~bson.binary.Binary.as_uuid` with the appropriate + :class:`~bson.binary.UuidRepresentation` to handle legacy-formatted + UUIDs instead.:: + + from bson import Binary, UUIDLegacy, UuidRepresentation + import uuid + + my_uuid = uuid.uuid4() + legacy_uuid = UUIDLegacy(my_uuid) + binary_uuid = Binary.from_uuid( + my_uuid, UuidRepresentation.PYTHON_LEGACY) + + assert legacy_uuid == binary_uuid + assert legacy_uuid.uuid == binary_uuid.as_uuid( + UuidRepresentation.PYTHON_LEGACY) + + .. doctest:: + + >>> import uuid + >>> from bson.binary import Binary, UUIDLegacy, STANDARD + >>> from bson.codec_options import CodecOptions + >>> my_uuid = uuid.uuid4() + >>> coll = db.get_collection('test', + ... CodecOptions(uuid_representation=STANDARD)) + >>> coll.insert_one({'uuid': Binary(my_uuid.bytes, 3)}).inserted_id + ObjectId('...') + >>> coll.count_documents({'uuid': my_uuid}) + 0 + >>> coll.count_documents({'uuid': UUIDLegacy(my_uuid)}) + 1 + >>> coll.find({'uuid': UUIDLegacy(my_uuid)})[0]['uuid'] + UUID('...') + >>> + >>> # Convert from subtype 3 to subtype 4 + >>> doc = coll.find_one({'uuid': UUIDLegacy(my_uuid)}) + >>> coll.replace_one({"_id": doc["_id"]}, doc).matched_count + 1 + >>> coll.count_documents({'uuid': UUIDLegacy(my_uuid)}) + 0 + >>> coll.count_documents({'uuid': {'$in': [UUIDLegacy(my_uuid), my_uuid]}}) + 1 + >>> coll.find_one({'uuid': my_uuid})['uuid'] + UUID('...') + + Raises :exc:`TypeError` if `obj` is not an instance of :class:`~uuid.UUID`. + + :Parameters: + - `obj`: An instance of :class:`~uuid.UUID`. + + .. versionchanged:: 3.11 + Deprecated. The same functionality can be replicated using the + :meth:`~Binary.from_uuid` and :meth:`~Binary.to_uuid` methods with + :data:`~UuidRepresentation.PYTHON_LEGACY`. + .. versionadded:: 2.1 + """ + + def __new__(cls, obj): + warn( + "The UUIDLegacy class has been deprecated and will be removed " + "in PyMongo 4.0. Use the Binary.from_uuid() and Binary.to_uuid() " + "with the appropriate UuidRepresentation to handle " + "legacy-formatted UUIDs instead.", + DeprecationWarning, stacklevel=2) + if not isinstance(obj, UUID): + raise TypeError("obj must be an instance of uuid.UUID") + self = Binary.__new__(cls, obj.bytes, OLD_UUID_SUBTYPE) + self.__uuid = obj + return self + + def __getnewargs__(self): + # Support copy and deepcopy + return (self.__uuid,) + + @property + def uuid(self): + """UUID instance wrapped by this UUIDLegacy instance. + """ + return self.__uuid + + def __repr__(self): + return "UUIDLegacy('%s')" % self.__uuid diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/code.py b/backend/mb-env/lib/python3.9/site-packages/bson/code.py new file mode 100644 index 0000000..3f6e504 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/code.py @@ -0,0 +1,99 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for representing JavaScript code in BSON. +""" + +from bson.py3compat import abc, string_type, PY3, text_type + + +class Code(str): + """BSON's JavaScript code type. + + Raises :class:`TypeError` if `code` is not an instance of + :class:`basestring` (:class:`str` in python 3) or `scope` + is not ``None`` or an instance of :class:`dict`. + + Scope variables can be set by passing a dictionary as the `scope` + argument or by using keyword arguments. If a variable is set as a + keyword argument it will override any setting for that variable in + the `scope` dictionary. + + :Parameters: + - `code`: A string containing JavaScript code to be evaluated or another + instance of Code. In the latter case, the scope of `code` becomes this + Code's :attr:`scope`. + - `scope` (optional): dictionary representing the scope in which + `code` should be evaluated - a mapping from identifiers (as + strings) to values. Defaults to ``None``. This is applied after any + scope associated with a given `code` above. + - `**kwargs` (optional): scope variables can also be passed as + keyword arguments. These are applied after `scope` and `code`. + + .. versionchanged:: 3.4 + The default value for :attr:`scope` is ``None`` instead of ``{}``. + + """ + + _type_marker = 13 + + def __new__(cls, code, scope=None, **kwargs): + if not isinstance(code, string_type): + raise TypeError("code must be an " + "instance of %s" % (string_type.__name__)) + + if not PY3 and isinstance(code, text_type): + self = str.__new__(cls, code.encode('utf8')) + else: + self = str.__new__(cls, code) + + try: + self.__scope = code.scope + except AttributeError: + self.__scope = None + + if scope is not None: + if not isinstance(scope, abc.Mapping): + raise TypeError("scope must be an instance of dict") + if self.__scope is not None: + self.__scope.update(scope) + else: + self.__scope = scope + + if kwargs: + if self.__scope is not None: + self.__scope.update(kwargs) + else: + self.__scope = kwargs + + return self + + @property + def scope(self): + """Scope dictionary for this instance or ``None``. + """ + return self.__scope + + def __repr__(self): + return "Code(%s, %r)" % (str.__repr__(self), self.__scope) + + def __eq__(self, other): + if isinstance(other, Code): + return (self.__scope, str(self)) == (other.__scope, str(other)) + return False + + __hash__ = None + + def __ne__(self, other): + return not self == other diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/codec_options.py b/backend/mb-env/lib/python3.9/site-packages/bson/codec_options.py new file mode 100644 index 0000000..8b84829 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/codec_options.py @@ -0,0 +1,346 @@ +# Copyright 2014-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for specifying BSON codec options.""" + +import datetime +import warnings + +from abc import abstractmethod +from collections import namedtuple + +from bson.py3compat import ABC, abc, abstractproperty, string_type + +from bson.binary import (UuidRepresentation, + ALL_UUID_REPRESENTATIONS, + UUID_REPRESENTATION_NAMES) + + +_RAW_BSON_DOCUMENT_MARKER = 101 + + +def _raw_document_class(document_class): + """Determine if a document_class is a RawBSONDocument class.""" + marker = getattr(document_class, '_type_marker', None) + return marker == _RAW_BSON_DOCUMENT_MARKER + + +class TypeEncoder(ABC): + """Base class for defining type codec classes which describe how a + custom type can be transformed to one of the types BSON understands. + + Codec classes must implement the ``python_type`` attribute, and the + ``transform_python`` method to support encoding. + + See :ref:`custom-type-type-codec` documentation for an example. + """ + @abstractproperty + def python_type(self): + """The Python type to be converted into something serializable.""" + pass + + @abstractmethod + def transform_python(self, value): + """Convert the given Python object into something serializable.""" + pass + + +class TypeDecoder(ABC): + """Base class for defining type codec classes which describe how a + BSON type can be transformed to a custom type. + + Codec classes must implement the ``bson_type`` attribute, and the + ``transform_bson`` method to support decoding. + + See :ref:`custom-type-type-codec` documentation for an example. + """ + @abstractproperty + def bson_type(self): + """The BSON type to be converted into our own type.""" + pass + + @abstractmethod + def transform_bson(self, value): + """Convert the given BSON value into our own type.""" + pass + + +class TypeCodec(TypeEncoder, TypeDecoder): + """Base class for defining type codec classes which describe how a + custom type can be transformed to/from one of the types :mod:`bson` + can already encode/decode. + + Codec classes must implement the ``python_type`` attribute, and the + ``transform_python`` method to support encoding, as well as the + ``bson_type`` attribute, and the ``transform_bson`` method to support + decoding. + + See :ref:`custom-type-type-codec` documentation for an example. + """ + pass + + +class TypeRegistry(object): + """Encapsulates type codecs used in encoding and / or decoding BSON, as + well as the fallback encoder. Type registries cannot be modified after + instantiation. + + ``TypeRegistry`` can be initialized with an iterable of type codecs, and + a callable for the fallback encoder:: + + >>> from bson.codec_options import TypeRegistry + >>> type_registry = TypeRegistry([Codec1, Codec2, Codec3, ...], + ... fallback_encoder) + + See :ref:`custom-type-type-registry` documentation for an example. + + :Parameters: + - `type_codecs` (optional): iterable of type codec instances. If + ``type_codecs`` contains multiple codecs that transform a single + python or BSON type, the transformation specified by the type codec + occurring last prevails. A TypeError will be raised if one or more + type codecs modify the encoding behavior of a built-in :mod:`bson` + type. + - `fallback_encoder` (optional): callable that accepts a single, + unencodable python value and transforms it into a type that + :mod:`bson` can encode. See :ref:`fallback-encoder-callable` + documentation for an example. + """ + def __init__(self, type_codecs=None, fallback_encoder=None): + self.__type_codecs = list(type_codecs or []) + self._fallback_encoder = fallback_encoder + self._encoder_map = {} + self._decoder_map = {} + + if self._fallback_encoder is not None: + if not callable(fallback_encoder): + raise TypeError("fallback_encoder %r is not a callable" % ( + fallback_encoder)) + + for codec in self.__type_codecs: + is_valid_codec = False + if isinstance(codec, TypeEncoder): + self._validate_type_encoder(codec) + is_valid_codec = True + self._encoder_map[codec.python_type] = codec.transform_python + if isinstance(codec, TypeDecoder): + is_valid_codec = True + self._decoder_map[codec.bson_type] = codec.transform_bson + if not is_valid_codec: + raise TypeError( + "Expected an instance of %s, %s, or %s, got %r instead" % ( + TypeEncoder.__name__, TypeDecoder.__name__, + TypeCodec.__name__, codec)) + + def _validate_type_encoder(self, codec): + from bson import _BUILT_IN_TYPES + for pytype in _BUILT_IN_TYPES: + if issubclass(codec.python_type, pytype): + err_msg = ("TypeEncoders cannot change how built-in types are " + "encoded (encoder %s transforms type %s)" % + (codec, pytype)) + raise TypeError(err_msg) + + def __repr__(self): + return ('%s(type_codecs=%r, fallback_encoder=%r)' % ( + self.__class__.__name__, self.__type_codecs, + self._fallback_encoder)) + + def __eq__(self, other): + if not isinstance(other, type(self)): + return NotImplemented + return ((self._decoder_map == other._decoder_map) and + (self._encoder_map == other._encoder_map) and + (self._fallback_encoder == other._fallback_encoder)) + + +_options_base = namedtuple( + 'CodecOptions', + ('document_class', 'tz_aware', 'uuid_representation', + 'unicode_decode_error_handler', 'tzinfo', 'type_registry')) + + +class CodecOptions(_options_base): + """Encapsulates options used encoding and / or decoding BSON. + + The `document_class` option is used to define a custom type for use + decoding BSON documents. Access to the underlying raw BSON bytes for + a document is available using the :class:`~bson.raw_bson.RawBSONDocument` + type:: + + >>> from bson.raw_bson import RawBSONDocument + >>> from bson.codec_options import CodecOptions + >>> codec_options = CodecOptions(document_class=RawBSONDocument) + >>> coll = db.get_collection('test', codec_options=codec_options) + >>> doc = coll.find_one() + >>> doc.raw + '\\x16\\x00\\x00\\x00\\x07_id\\x00[0\\x165\\x91\\x10\\xea\\x14\\xe8\\xc5\\x8b\\x93\\x00' + + The document class can be any type that inherits from + :class:`~collections.MutableMapping`:: + + >>> class AttributeDict(dict): + ... # A dict that supports attribute access. + ... def __getattr__(self, key): + ... return self[key] + ... def __setattr__(self, key, value): + ... self[key] = value + ... + >>> codec_options = CodecOptions(document_class=AttributeDict) + >>> coll = db.get_collection('test', codec_options=codec_options) + >>> doc = coll.find_one() + >>> doc._id + ObjectId('5b3016359110ea14e8c58b93') + + See :doc:`/examples/datetimes` for examples using the `tz_aware` and + `tzinfo` options. + + See :class:`~bson.binary.UUIDLegacy` for examples using the + `uuid_representation` option. + + :Parameters: + - `document_class`: BSON documents returned in queries will be decoded + to an instance of this class. Must be a subclass of + :class:`~collections.MutableMapping`. Defaults to :class:`dict`. + - `tz_aware`: If ``True``, BSON datetimes will be decoded to timezone + aware instances of :class:`~datetime.datetime`. Otherwise they will be + naive. Defaults to ``False``. + - `uuid_representation`: The BSON representation to use when encoding + and decoding instances of :class:`~uuid.UUID`. Defaults to + :data:`~bson.binary.UuidRepresentation.PYTHON_LEGACY`. New + applications should consider setting this to + :data:`~bson.binary.UuidRepresentation.STANDARD` for cross language + compatibility. See :ref:`handling-uuid-data-example` for details. + - `unicode_decode_error_handler`: The error handler to apply when + a Unicode-related error occurs during BSON decoding that would + otherwise raise :exc:`UnicodeDecodeError`. Valid options include + 'strict', 'replace', and 'ignore'. Defaults to 'strict'. + - `tzinfo`: A :class:`~datetime.tzinfo` subclass that specifies the + timezone to/from which :class:`~datetime.datetime` objects should be + encoded/decoded. + - `type_registry`: Instance of :class:`TypeRegistry` used to customize + encoding and decoding behavior. + + .. versionadded:: 3.8 + `type_registry` attribute. + + .. warning:: Care must be taken when changing + `unicode_decode_error_handler` from its default value ('strict'). + The 'replace' and 'ignore' modes should not be used when documents + retrieved from the server will be modified in the client application + and stored back to the server. + """ + + def __new__(cls, document_class=dict, + tz_aware=False, + uuid_representation=None, + unicode_decode_error_handler="strict", + tzinfo=None, type_registry=None): + if not (issubclass(document_class, abc.MutableMapping) or + _raw_document_class(document_class)): + raise TypeError("document_class must be dict, bson.son.SON, " + "bson.raw_bson.RawBSONDocument, or a " + "sublass of collections.MutableMapping") + if not isinstance(tz_aware, bool): + raise TypeError("tz_aware must be True or False") + if uuid_representation is None: + uuid_representation = UuidRepresentation.PYTHON_LEGACY + elif uuid_representation not in ALL_UUID_REPRESENTATIONS: + raise ValueError("uuid_representation must be a value " + "from bson.binary.UuidRepresentation") + if not isinstance(unicode_decode_error_handler, (string_type, None)): + raise ValueError("unicode_decode_error_handler must be a string " + "or None") + if tzinfo is not None: + if not isinstance(tzinfo, datetime.tzinfo): + raise TypeError( + "tzinfo must be an instance of datetime.tzinfo") + if not tz_aware: + raise ValueError( + "cannot specify tzinfo without also setting tz_aware=True") + + type_registry = type_registry or TypeRegistry() + + if not isinstance(type_registry, TypeRegistry): + raise TypeError("type_registry must be an instance of TypeRegistry") + + return tuple.__new__( + cls, (document_class, tz_aware, uuid_representation, + unicode_decode_error_handler, tzinfo, type_registry)) + + def _arguments_repr(self): + """Representation of the arguments used to create this object.""" + document_class_repr = ( + 'dict' if self.document_class is dict + else repr(self.document_class)) + + uuid_rep_repr = UUID_REPRESENTATION_NAMES.get(self.uuid_representation, + self.uuid_representation) + + return ('document_class=%s, tz_aware=%r, uuid_representation=%s, ' + 'unicode_decode_error_handler=%r, tzinfo=%r, ' + 'type_registry=%r' % + (document_class_repr, self.tz_aware, uuid_rep_repr, + self.unicode_decode_error_handler, self.tzinfo, + self.type_registry)) + + def _options_dict(self): + """Dictionary of the arguments used to create this object.""" + # TODO: PYTHON-2442 use _asdict() instead + return { + 'document_class': self.document_class, + 'tz_aware': self.tz_aware, + 'uuid_representation': self.uuid_representation, + 'unicode_decode_error_handler': self.unicode_decode_error_handler, + 'tzinfo': self.tzinfo, + 'type_registry': self.type_registry} + + def __repr__(self): + return '%s(%s)' % (self.__class__.__name__, self._arguments_repr()) + + def with_options(self, **kwargs): + """Make a copy of this CodecOptions, overriding some options:: + + >>> from bson.codec_options import DEFAULT_CODEC_OPTIONS + >>> DEFAULT_CODEC_OPTIONS.tz_aware + False + >>> options = DEFAULT_CODEC_OPTIONS.with_options(tz_aware=True) + >>> options.tz_aware + True + + .. versionadded:: 3.5 + """ + opts = self._options_dict() + opts.update(kwargs) + return CodecOptions(**opts) + + +DEFAULT_CODEC_OPTIONS = CodecOptions( + uuid_representation=UuidRepresentation.PYTHON_LEGACY) + + +def _parse_codec_options(options): + """Parse BSON codec options.""" + return CodecOptions( + document_class=options.get( + 'document_class', DEFAULT_CODEC_OPTIONS.document_class), + tz_aware=options.get( + 'tz_aware', DEFAULT_CODEC_OPTIONS.tz_aware), + uuid_representation=options.get('uuidrepresentation'), + unicode_decode_error_handler=options.get( + 'unicode_decode_error_handler', + DEFAULT_CODEC_OPTIONS.unicode_decode_error_handler), + tzinfo=options.get('tzinfo', DEFAULT_CODEC_OPTIONS.tzinfo), + type_registry=options.get( + 'type_registry', DEFAULT_CODEC_OPTIONS.type_registry)) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/dbref.py b/backend/mb-env/lib/python3.9/site-packages/bson/dbref.py new file mode 100644 index 0000000..3ec5463 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/dbref.py @@ -0,0 +1,135 @@ +# Copyright 2009-2015 MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for manipulating DBRefs (references to MongoDB documents).""" + +from copy import deepcopy + +from bson.py3compat import iteritems, string_type +from bson.son import SON + + +class DBRef(object): + """A reference to a document stored in MongoDB. + """ + + # DBRef isn't actually a BSON "type" so this number was arbitrarily chosen. + _type_marker = 100 + + def __init__(self, collection, id, database=None, _extra={}, **kwargs): + """Initialize a new :class:`DBRef`. + + Raises :class:`TypeError` if `collection` or `database` is not + an instance of :class:`basestring` (:class:`str` in python 3). + `database` is optional and allows references to documents to work + across databases. Any additional keyword arguments will create + additional fields in the resultant embedded document. + + :Parameters: + - `collection`: name of the collection the document is stored in + - `id`: the value of the document's ``"_id"`` field + - `database` (optional): name of the database to reference + - `**kwargs` (optional): additional keyword arguments will + create additional, custom fields + + .. mongodoc:: dbrefs + """ + if not isinstance(collection, string_type): + raise TypeError("collection must be an " + "instance of %s" % string_type.__name__) + if database is not None and not isinstance(database, string_type): + raise TypeError("database must be an " + "instance of %s" % string_type.__name__) + + self.__collection = collection + self.__id = id + self.__database = database + kwargs.update(_extra) + self.__kwargs = kwargs + + @property + def collection(self): + """Get the name of this DBRef's collection as unicode. + """ + return self.__collection + + @property + def id(self): + """Get this DBRef's _id. + """ + return self.__id + + @property + def database(self): + """Get the name of this DBRef's database. + + Returns None if this DBRef doesn't specify a database. + """ + return self.__database + + def __getattr__(self, key): + try: + return self.__kwargs[key] + except KeyError: + raise AttributeError(key) + + # Have to provide __setstate__ to avoid + # infinite recursion since we override + # __getattr__. + def __setstate__(self, state): + self.__dict__.update(state) + + def as_doc(self): + """Get the SON document representation of this DBRef. + + Generally not needed by application developers + """ + doc = SON([("$ref", self.collection), + ("$id", self.id)]) + if self.database is not None: + doc["$db"] = self.database + doc.update(self.__kwargs) + return doc + + def __repr__(self): + extra = "".join([", %s=%r" % (k, v) + for k, v in iteritems(self.__kwargs)]) + if self.database is None: + return "DBRef(%r, %r%s)" % (self.collection, self.id, extra) + return "DBRef(%r, %r, %r%s)" % (self.collection, self.id, + self.database, extra) + + def __eq__(self, other): + if isinstance(other, DBRef): + us = (self.__database, self.__collection, + self.__id, self.__kwargs) + them = (other.__database, other.__collection, + other.__id, other.__kwargs) + return us == them + return NotImplemented + + def __ne__(self, other): + return not self == other + + def __hash__(self): + """Get a hash value for this :class:`DBRef`.""" + return hash((self.__collection, self.__id, self.__database, + tuple(sorted(self.__kwargs.items())))) + + def __deepcopy__(self, memo): + """Support function for `copy.deepcopy()`.""" + return DBRef(deepcopy(self.__collection, memo), + deepcopy(self.__id, memo), + deepcopy(self.__database, memo), + deepcopy(self.__kwargs, memo)) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/decimal128.py b/backend/mb-env/lib/python3.9/site-packages/bson/decimal128.py new file mode 100644 index 0000000..0c0fc10 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/decimal128.py @@ -0,0 +1,335 @@ +# Copyright 2016-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for working with the BSON decimal128 type. + +.. versionadded:: 3.4 + +.. note:: The Decimal128 BSON type requires MongoDB 3.4+. +""" + +import decimal +import struct +import sys + +from bson.py3compat import (PY3 as _PY3, + string_type as _string_type) + + +if _PY3: + _from_bytes = int.from_bytes # pylint: disable=no-member, invalid-name +else: + import binascii + def _from_bytes(value, dummy, _int=int, _hexlify=binascii.hexlify): + "An implementation of int.from_bytes for python 2.x." + return _int(_hexlify(value), 16) + + +_PACK_64 = struct.Struct("= 3.3, cdecimal + decimal.Context(clamp=1) # pylint: disable=unexpected-keyword-arg + _CTX_OPTIONS['clamp'] = 1 +except TypeError: + # Python < 3.3 + _CTX_OPTIONS['_clamp'] = 1 + +_DEC128_CTX = decimal.Context(**_CTX_OPTIONS.copy()) + + +def create_decimal128_context(): + """Returns an instance of :class:`decimal.Context` appropriate + for working with IEEE-754 128-bit decimal floating point values. + """ + opts = _CTX_OPTIONS.copy() + opts['traps'] = [] + return decimal.Context(**opts) + + +def _decimal_to_128(value): + """Converts a decimal.Decimal to BID (high bits, low bits). + + :Parameters: + - `value`: An instance of decimal.Decimal + """ + with decimal.localcontext(_DEC128_CTX) as ctx: + value = ctx.create_decimal(value) + + if value.is_infinite(): + return _NINF if value.is_signed() else _PINF + + sign, digits, exponent = value.as_tuple() + + if value.is_nan(): + if digits: + raise ValueError("NaN with debug payload is not supported") + if value.is_snan(): + return _NSNAN if value.is_signed() else _PSNAN + return _NNAN if value.is_signed() else _PNAN + + significand = int("".join([str(digit) for digit in digits])) + bit_length = significand.bit_length() + + high = 0 + low = 0 + for i in range(min(64, bit_length)): + if significand & (1 << i): + low |= 1 << i + + for i in range(64, bit_length): + if significand & (1 << i): + high |= 1 << (i - 64) + + biased_exponent = exponent + _EXPONENT_BIAS + + if high >> 49 == 1: + high = high & 0x7fffffffffff + high |= _EXPONENT_MASK + high |= (biased_exponent & 0x3fff) << 47 + else: + high |= biased_exponent << 49 + + if sign: + high |= _SIGN + + return high, low + + +class Decimal128(object): + """BSON Decimal128 type:: + + >>> Decimal128(Decimal("0.0005")) + Decimal128('0.0005') + >>> Decimal128("0.0005") + Decimal128('0.0005') + >>> Decimal128((3474527112516337664, 5)) + Decimal128('0.0005') + + :Parameters: + - `value`: An instance of :class:`decimal.Decimal`, string, or tuple of + (high bits, low bits) from Binary Integer Decimal (BID) format. + + .. note:: :class:`~Decimal128` uses an instance of :class:`decimal.Context` + configured for IEEE-754 Decimal128 when validating parameters. + Signals like :class:`decimal.InvalidOperation`, :class:`decimal.Inexact`, + and :class:`decimal.Overflow` are trapped and raised as exceptions:: + + >>> Decimal128(".13.1") + Traceback (most recent call last): + File "", line 1, in + ... + decimal.InvalidOperation: [] + >>> + >>> Decimal128("1E-6177") + Traceback (most recent call last): + File "", line 1, in + ... + decimal.Inexact: [] + >>> + >>> Decimal128("1E6145") + Traceback (most recent call last): + File "", line 1, in + ... + decimal.Overflow: [, ] + + To ensure the result of a calculation can always be stored as BSON + Decimal128 use the context returned by + :func:`create_decimal128_context`:: + + >>> import decimal + >>> decimal128_ctx = create_decimal128_context() + >>> with decimal.localcontext(decimal128_ctx) as ctx: + ... Decimal128(ctx.create_decimal(".13.3")) + ... + Decimal128('NaN') + >>> + >>> with decimal.localcontext(decimal128_ctx) as ctx: + ... Decimal128(ctx.create_decimal("1E-6177")) + ... + Decimal128('0E-6176') + >>> + >>> with decimal.localcontext(DECIMAL128_CTX) as ctx: + ... Decimal128(ctx.create_decimal("1E6145")) + ... + Decimal128('Infinity') + + To match the behavior of MongoDB's Decimal128 implementation + str(Decimal(value)) may not match str(Decimal128(value)) for NaN values:: + + >>> Decimal128(Decimal('NaN')) + Decimal128('NaN') + >>> Decimal128(Decimal('-NaN')) + Decimal128('NaN') + >>> Decimal128(Decimal('sNaN')) + Decimal128('NaN') + >>> Decimal128(Decimal('-sNaN')) + Decimal128('NaN') + + However, :meth:`~Decimal128.to_decimal` will return the exact value:: + + >>> Decimal128(Decimal('NaN')).to_decimal() + Decimal('NaN') + >>> Decimal128(Decimal('-NaN')).to_decimal() + Decimal('-NaN') + >>> Decimal128(Decimal('sNaN')).to_decimal() + Decimal('sNaN') + >>> Decimal128(Decimal('-sNaN')).to_decimal() + Decimal('-sNaN') + + Two instances of :class:`Decimal128` compare equal if their Binary + Integer Decimal encodings are equal:: + + >>> Decimal128('NaN') == Decimal128('NaN') + True + >>> Decimal128('NaN').bid == Decimal128('NaN').bid + True + + This differs from :class:`decimal.Decimal` comparisons for NaN:: + + >>> Decimal('NaN') == Decimal('NaN') + False + """ + __slots__ = ('__high', '__low') + + _type_marker = 19 + + def __init__(self, value): + if isinstance(value, (_string_type, decimal.Decimal)): + self.__high, self.__low = _decimal_to_128(value) + elif isinstance(value, (list, tuple)): + if len(value) != 2: + raise ValueError('Invalid size for creation of Decimal128 ' + 'from list or tuple. Must have exactly 2 ' + 'elements.') + self.__high, self.__low = value + else: + raise TypeError("Cannot convert %r to Decimal128" % (value,)) + + def to_decimal(self): + """Returns an instance of :class:`decimal.Decimal` for this + :class:`Decimal128`. + """ + high = self.__high + low = self.__low + sign = 1 if (high & _SIGN) else 0 + + if (high & _SNAN) == _SNAN: + return decimal.Decimal((sign, (), 'N')) + elif (high & _NAN) == _NAN: + return decimal.Decimal((sign, (), 'n')) + elif (high & _INF) == _INF: + return decimal.Decimal((sign, (), 'F')) + + if (high & _EXPONENT_MASK) == _EXPONENT_MASK: + exponent = ((high & 0x1fffe00000000000) >> 47) - _EXPONENT_BIAS + return decimal.Decimal((sign, (0,), exponent)) + else: + exponent = ((high & 0x7fff800000000000) >> 49) - _EXPONENT_BIAS + + arr = bytearray(15) + mask = 0x00000000000000ff + for i in range(14, 6, -1): + arr[i] = (low & mask) >> ((14 - i) << 3) + mask = mask << 8 + + mask = 0x00000000000000ff + for i in range(6, 0, -1): + arr[i] = (high & mask) >> ((6 - i) << 3) + mask = mask << 8 + + mask = 0x0001000000000000 + arr[0] = (high & mask) >> 48 + + # cdecimal only accepts a tuple for digits. + digits = tuple( + int(digit) for digit in str(_from_bytes(arr, 'big'))) + + with decimal.localcontext(_DEC128_CTX) as ctx: + return ctx.create_decimal((sign, digits, exponent)) + + @classmethod + def from_bid(cls, value): + """Create an instance of :class:`Decimal128` from Binary Integer + Decimal string. + + :Parameters: + - `value`: 16 byte string (128-bit IEEE 754-2008 decimal floating + point in Binary Integer Decimal (BID) format). + """ + if not isinstance(value, bytes): + raise TypeError("value must be an instance of bytes") + if len(value) != 16: + raise ValueError("value must be exactly 16 bytes") + return cls((_UNPACK_64(value[8:])[0], _UNPACK_64(value[:8])[0])) + + @property + def bid(self): + """The Binary Integer Decimal (BID) encoding of this instance.""" + return _PACK_64(self.__low) + _PACK_64(self.__high) + + def __str__(self): + dec = self.to_decimal() + if dec.is_nan(): + # Required by the drivers spec to match MongoDB behavior. + return "NaN" + return str(dec) + + def __repr__(self): + return "Decimal128('%s')" % (str(self),) + + def __setstate__(self, value): + self.__high, self.__low = value + + def __getstate__(self): + return self.__high, self.__low + + def __eq__(self, other): + if isinstance(other, Decimal128): + return self.bid == other.bid + return NotImplemented + + def __ne__(self, other): + return not self == other diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/errors.py b/backend/mb-env/lib/python3.9/site-packages/bson/errors.py new file mode 100644 index 0000000..9bdb741 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/errors.py @@ -0,0 +1,40 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Exceptions raised by the BSON package.""" + + +class BSONError(Exception): + """Base class for all BSON exceptions. + """ + + +class InvalidBSON(BSONError): + """Raised when trying to create a BSON object from invalid data. + """ + + +class InvalidStringData(BSONError): + """Raised when trying to encode a string containing non-UTF8 data. + """ + + +class InvalidDocument(BSONError): + """Raised when trying to create a BSON object from an invalid document. + """ + + +class InvalidId(BSONError): + """Raised when trying to create an ObjectId from invalid data. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/int64.py b/backend/mb-env/lib/python3.9/site-packages/bson/int64.py new file mode 100644 index 0000000..77e9812 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/int64.py @@ -0,0 +1,34 @@ +# Copyright 2014-2015 MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""A BSON wrapper for long (int in python3)""" + +from bson.py3compat import PY3 + +if PY3: + long = int + + +class Int64(long): + """Representation of the BSON int64 type. + + This is necessary because every integral number is an :class:`int` in + Python 3. Small integral numbers are encoded to BSON int32 by default, + but Int64 numbers will always be encoded to BSON int64. + + :Parameters: + - `value`: the numeric value to represent + """ + + _type_marker = 18 diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/json_util.py b/backend/mb-env/lib/python3.9/site-packages/bson/json_util.py new file mode 100644 index 0000000..38c39a1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/json_util.py @@ -0,0 +1,863 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for using Python's :mod:`json` module with BSON documents. + +This module provides two helper methods `dumps` and `loads` that wrap the +native :mod:`json` methods and provide explicit BSON conversion to and from +JSON. :class:`~bson.json_util.JSONOptions` provides a way to control how JSON +is emitted and parsed, with the default being the legacy PyMongo format. +:mod:`~bson.json_util` can also generate Canonical or Relaxed `Extended JSON`_ +when :const:`CANONICAL_JSON_OPTIONS` or :const:`RELAXED_JSON_OPTIONS` is +provided, respectively. + +.. _Extended JSON: https://github.com/mongodb/specifications/blob/master/source/extended-json.rst + +Example usage (deserialization): + +.. doctest:: + + >>> from bson.json_util import loads + >>> loads('[{"foo": [1, 2]}, {"bar": {"hello": "world"}}, {"code": {"$scope": {}, "$code": "function x() { return 1; }"}}, {"bin": {"$type": "80", "$binary": "AQIDBA=="}}]') + [{u'foo': [1, 2]}, {u'bar': {u'hello': u'world'}}, {u'code': Code('function x() { return 1; }', {})}, {u'bin': Binary('...', 128)}] + +Example usage (serialization): + +.. doctest:: + + >>> from bson import Binary, Code + >>> from bson.json_util import dumps + >>> dumps([{'foo': [1, 2]}, + ... {'bar': {'hello': 'world'}}, + ... {'code': Code("function x() { return 1; }", {})}, + ... {'bin': Binary(b"\x01\x02\x03\x04")}]) + '[{"foo": [1, 2]}, {"bar": {"hello": "world"}}, {"code": {"$code": "function x() { return 1; }", "$scope": {}}}, {"bin": {"$binary": "AQIDBA==", "$type": "00"}}]' + +Example usage (with :const:`CANONICAL_JSON_OPTIONS`): + +.. doctest:: + + >>> from bson import Binary, Code + >>> from bson.json_util import dumps, CANONICAL_JSON_OPTIONS + >>> dumps([{'foo': [1, 2]}, + ... {'bar': {'hello': 'world'}}, + ... {'code': Code("function x() { return 1; }")}, + ... {'bin': Binary(b"\x01\x02\x03\x04")}], + ... json_options=CANONICAL_JSON_OPTIONS) + '[{"foo": [{"$numberInt": "1"}, {"$numberInt": "2"}]}, {"bar": {"hello": "world"}}, {"code": {"$code": "function x() { return 1; }"}}, {"bin": {"$binary": {"base64": "AQIDBA==", "subType": "00"}}}]' + +Example usage (with :const:`RELAXED_JSON_OPTIONS`): + +.. doctest:: + + >>> from bson import Binary, Code + >>> from bson.json_util import dumps, RELAXED_JSON_OPTIONS + >>> dumps([{'foo': [1, 2]}, + ... {'bar': {'hello': 'world'}}, + ... {'code': Code("function x() { return 1; }")}, + ... {'bin': Binary(b"\x01\x02\x03\x04")}], + ... json_options=RELAXED_JSON_OPTIONS) + '[{"foo": [1, 2]}, {"bar": {"hello": "world"}}, {"code": {"$code": "function x() { return 1; }"}}, {"bin": {"$binary": {"base64": "AQIDBA==", "subType": "00"}}}]' + +Alternatively, you can manually pass the `default` to :func:`json.dumps`. +It won't handle :class:`~bson.binary.Binary` and :class:`~bson.code.Code` +instances (as they are extended strings you can't provide custom defaults), +but it will be faster as there is less recursion. + +.. note:: + If your application does not need the flexibility offered by + :class:`JSONOptions` and spends a large amount of time in the `json_util` + module, look to + `python-bsonjs `_ for a nice + performance improvement. `python-bsonjs` is a fast BSON to MongoDB + Extended JSON converter for Python built on top of + `libbson `_. `python-bsonjs` works best + with PyMongo when using :class:`~bson.raw_bson.RawBSONDocument`. + +.. versionchanged:: 2.8 + The output format for :class:`~bson.timestamp.Timestamp` has changed from + '{"t": , "i": }' to '{"$timestamp": {"t": , "i": }}'. + This new format will be decoded to an instance of + :class:`~bson.timestamp.Timestamp`. The old format will continue to be + decoded to a python dict as before. Encoding to the old format is no longer + supported as it was never correct and loses type information. + Added support for $numberLong and $undefined - new in MongoDB 2.6 - and + parsing $date in ISO-8601 format. + +.. versionchanged:: 2.7 + Preserves order when rendering SON, Timestamp, Code, Binary, and DBRef + instances. + +.. versionchanged:: 2.3 + Added dumps and loads helpers to automatically handle conversion to and + from json and supports :class:`~bson.binary.Binary` and + :class:`~bson.code.Code` +""" + +import base64 +import datetime +import json +import math +import re +import uuid + +from pymongo.errors import ConfigurationError + +import bson +from bson import EPOCH_AWARE, RE_TYPE, SON +from bson.binary import (Binary, UuidRepresentation, ALL_UUID_SUBTYPES, + UUID_SUBTYPE) +from bson.code import Code +from bson.codec_options import CodecOptions +from bson.dbref import DBRef +from bson.decimal128 import Decimal128 +from bson.int64 import Int64 +from bson.max_key import MaxKey +from bson.min_key import MinKey +from bson.objectid import ObjectId +from bson.py3compat import (PY3, iteritems, integer_types, string_type, + text_type) +from bson.regex import Regex +from bson.timestamp import Timestamp +from bson.tz_util import utc + + +_RE_OPT_TABLE = { + "i": re.I, + "l": re.L, + "m": re.M, + "s": re.S, + "u": re.U, + "x": re.X, +} + +# Dollar-prefixed keys which may appear in DBRefs. +_DBREF_KEYS = frozenset(['$id', '$ref', '$db']) + + +class DatetimeRepresentation: + LEGACY = 0 + """Legacy MongoDB Extended JSON datetime representation. + + :class:`datetime.datetime` instances will be encoded to JSON in the + format `{"$date": }`, where `dateAsMilliseconds` is + a 64-bit signed integer giving the number of milliseconds since the Unix + epoch UTC. This was the default encoding before PyMongo version 3.4. + + .. versionadded:: 3.4 + """ + + NUMBERLONG = 1 + """NumberLong datetime representation. + + :class:`datetime.datetime` instances will be encoded to JSON in the + format `{"$date": {"$numberLong": ""}}`, + where `dateAsMilliseconds` is the string representation of a 64-bit signed + integer giving the number of milliseconds since the Unix epoch UTC. + + .. versionadded:: 3.4 + """ + + ISO8601 = 2 + """ISO-8601 datetime representation. + + :class:`datetime.datetime` instances greater than or equal to the Unix + epoch UTC will be encoded to JSON in the format `{"$date": ""}`. + :class:`datetime.datetime` instances before the Unix epoch UTC will be + encoded as if the datetime representation is + :const:`~DatetimeRepresentation.NUMBERLONG`. + + .. versionadded:: 3.4 + """ + + +class JSONMode: + LEGACY = 0 + """Legacy Extended JSON representation. + + In this mode, :func:`~bson.json_util.dumps` produces PyMongo's legacy + non-standard JSON output. Consider using + :const:`~bson.json_util.JSONMode.RELAXED` or + :const:`~bson.json_util.JSONMode.CANONICAL` instead. + + .. versionadded:: 3.5 + """ + + RELAXED = 1 + """Relaxed Extended JSON representation. + + In this mode, :func:`~bson.json_util.dumps` produces Relaxed Extended JSON, + a mostly JSON-like format. Consider using this for things like a web API, + where one is sending a document (or a projection of a document) that only + uses ordinary JSON type primitives. In particular, the ``int``, + :class:`~bson.int64.Int64`, and ``float`` numeric types are represented in + the native JSON number format. This output is also the most human readable + and is useful for debugging and documentation. + + .. seealso:: The specification for Relaxed `Extended JSON`_. + + .. versionadded:: 3.5 + """ + + CANONICAL = 2 + """Canonical Extended JSON representation. + + In this mode, :func:`~bson.json_util.dumps` produces Canonical Extended + JSON, a type preserving format. Consider using this for things like + testing, where one has to precisely specify expected types in JSON. In + particular, the ``int``, :class:`~bson.int64.Int64`, and ``float`` numeric + types are encoded with type wrappers. + + .. seealso:: The specification for Canonical `Extended JSON`_. + + .. versionadded:: 3.5 + """ + + +class JSONOptions(CodecOptions): + """Encapsulates JSON options for :func:`dumps` and :func:`loads`. + + :Parameters: + - `strict_number_long`: If ``True``, :class:`~bson.int64.Int64` objects + are encoded to MongoDB Extended JSON's *Strict mode* type + `NumberLong`, ie ``'{"$numberLong": "" }'``. Otherwise they + will be encoded as an `int`. Defaults to ``False``. + - `datetime_representation`: The representation to use when encoding + instances of :class:`datetime.datetime`. Defaults to + :const:`~DatetimeRepresentation.LEGACY`. + - `strict_uuid`: If ``True``, :class:`uuid.UUID` object are encoded to + MongoDB Extended JSON's *Strict mode* type `Binary`. Otherwise it + will be encoded as ``'{"$uuid": "" }'``. Defaults to ``False``. + - `json_mode`: The :class:`JSONMode` to use when encoding BSON types to + Extended JSON. Defaults to :const:`~JSONMode.LEGACY`. + - `document_class`: BSON documents returned by :func:`loads` will be + decoded to an instance of this class. Must be a subclass of + :class:`collections.MutableMapping`. Defaults to :class:`dict`. + - `uuid_representation`: The :class:`~bson.binary.UuidRepresentation` + to use when encoding and decoding instances of :class:`uuid.UUID`. + Defaults to :const:`~bson.binary.UuidRepresentation.PYTHON_LEGACY`. + - `tz_aware`: If ``True``, MongoDB Extended JSON's *Strict mode* type + `Date` will be decoded to timezone aware instances of + :class:`datetime.datetime`. Otherwise they will be naive. Defaults + to ``True``. + - `tzinfo`: A :class:`datetime.tzinfo` subclass that specifies the + timezone from which :class:`~datetime.datetime` objects should be + decoded. Defaults to :const:`~bson.tz_util.utc`. + - `args`: arguments to :class:`~bson.codec_options.CodecOptions` + - `kwargs`: arguments to :class:`~bson.codec_options.CodecOptions` + + .. seealso:: The specification for Relaxed and Canonical `Extended JSON`_. + + .. versionadded:: 3.4 + + .. versionchanged:: 3.5 + Accepts the optional parameter `json_mode`. + + """ + + def __new__(cls, strict_number_long=False, + datetime_representation=DatetimeRepresentation.LEGACY, + strict_uuid=False, json_mode=JSONMode.LEGACY, + *args, **kwargs): + kwargs["tz_aware"] = kwargs.get("tz_aware", True) + if kwargs["tz_aware"]: + kwargs["tzinfo"] = kwargs.get("tzinfo", utc) + if datetime_representation not in (DatetimeRepresentation.LEGACY, + DatetimeRepresentation.NUMBERLONG, + DatetimeRepresentation.ISO8601): + raise ConfigurationError( + "JSONOptions.datetime_representation must be one of LEGACY, " + "NUMBERLONG, or ISO8601 from DatetimeRepresentation.") + self = super(JSONOptions, cls).__new__(cls, *args, **kwargs) + if json_mode not in (JSONMode.LEGACY, + JSONMode.RELAXED, + JSONMode.CANONICAL): + raise ConfigurationError( + "JSONOptions.json_mode must be one of LEGACY, RELAXED, " + "or CANONICAL from JSONMode.") + self.json_mode = json_mode + if self.json_mode == JSONMode.RELAXED: + self.strict_number_long = False + self.datetime_representation = DatetimeRepresentation.ISO8601 + self.strict_uuid = True + elif self.json_mode == JSONMode.CANONICAL: + self.strict_number_long = True + self.datetime_representation = DatetimeRepresentation.NUMBERLONG + self.strict_uuid = True + else: + self.strict_number_long = strict_number_long + self.datetime_representation = datetime_representation + self.strict_uuid = strict_uuid + return self + + def _arguments_repr(self): + return ('strict_number_long=%r, ' + 'datetime_representation=%r, ' + 'strict_uuid=%r, json_mode=%r, %s' % ( + self.strict_number_long, + self.datetime_representation, + self.strict_uuid, + self.json_mode, + super(JSONOptions, self)._arguments_repr())) + + def _options_dict(self): + # TODO: PYTHON-2442 use _asdict() instead + options_dict = super(JSONOptions, self)._options_dict() + options_dict.update({ + 'strict_number_long': self.strict_number_long, + 'datetime_representation': self.datetime_representation, + 'strict_uuid': self.strict_uuid, + 'json_mode': self.json_mode}) + return options_dict + + def with_options(self, **kwargs): + """ + Make a copy of this JSONOptions, overriding some options:: + + >>> from bson.json_util import CANONICAL_JSON_OPTIONS + >>> CANONICAL_JSON_OPTIONS.tz_aware + True + >>> json_options = CANONICAL_JSON_OPTIONS.with_options(tz_aware=False) + >>> json_options.tz_aware + False + + .. versionadded:: 3.12 + """ + opts = self._options_dict() + for opt in ('strict_number_long', 'datetime_representation', + 'strict_uuid', 'json_mode'): + opts[opt] = kwargs.get(opt, getattr(self, opt)) + opts.update(kwargs) + return JSONOptions(**opts) + + +LEGACY_JSON_OPTIONS = JSONOptions(json_mode=JSONMode.LEGACY) +""":class:`JSONOptions` for encoding to PyMongo's legacy JSON format. + +.. seealso:: The documentation for :const:`bson.json_util.JSONMode.LEGACY`. + +.. versionadded:: 3.5 +""" + +DEFAULT_JSON_OPTIONS = LEGACY_JSON_OPTIONS +"""The default :class:`JSONOptions` for JSON encoding/decoding. + +The same as :const:`LEGACY_JSON_OPTIONS`. This will change to +:const:`RELAXED_JSON_OPTIONS` in a future release. + +.. versionadded:: 3.4 +""" + +CANONICAL_JSON_OPTIONS = JSONOptions(json_mode=JSONMode.CANONICAL) +""":class:`JSONOptions` for Canonical Extended JSON. + +.. seealso:: The documentation for :const:`bson.json_util.JSONMode.CANONICAL`. + +.. versionadded:: 3.5 +""" + +RELAXED_JSON_OPTIONS = JSONOptions(json_mode=JSONMode.RELAXED) +""":class:`JSONOptions` for Relaxed Extended JSON. + +.. seealso:: The documentation for :const:`bson.json_util.JSONMode.RELAXED`. + +.. versionadded:: 3.5 +""" + +STRICT_JSON_OPTIONS = JSONOptions( + strict_number_long=True, + datetime_representation=DatetimeRepresentation.ISO8601, + strict_uuid=True) +"""**DEPRECATED** - :class:`JSONOptions` for MongoDB Extended JSON's *Strict +mode* encoding. + +.. versionadded:: 3.4 + +.. versionchanged:: 3.5 + Deprecated. Use :const:`RELAXED_JSON_OPTIONS` or + :const:`CANONICAL_JSON_OPTIONS` instead. +""" + + +def dumps(obj, *args, **kwargs): + """Helper function that wraps :func:`json.dumps`. + + Recursive function that handles all BSON types including + :class:`~bson.binary.Binary` and :class:`~bson.code.Code`. + + :Parameters: + - `json_options`: A :class:`JSONOptions` instance used to modify the + encoding of MongoDB Extended JSON types. Defaults to + :const:`DEFAULT_JSON_OPTIONS`. + + .. versionchanged:: 3.4 + Accepts optional parameter `json_options`. See :class:`JSONOptions`. + + .. versionchanged:: 2.7 + Preserves order when rendering SON, Timestamp, Code, Binary, and DBRef + instances. + """ + json_options = kwargs.pop("json_options", DEFAULT_JSON_OPTIONS) + return json.dumps(_json_convert(obj, json_options), *args, **kwargs) + + +def loads(s, *args, **kwargs): + """Helper function that wraps :func:`json.loads`. + + Automatically passes the object_hook for BSON type conversion. + + Raises ``TypeError``, ``ValueError``, ``KeyError``, or + :exc:`~bson.errors.InvalidId` on invalid MongoDB Extended JSON. + + :Parameters: + - `json_options`: A :class:`JSONOptions` instance used to modify the + decoding of MongoDB Extended JSON types. Defaults to + :const:`DEFAULT_JSON_OPTIONS`. + + .. versionchanged:: 3.5 + Parses Relaxed and Canonical Extended JSON as well as PyMongo's legacy + format. Now raises ``TypeError`` or ``ValueError`` when parsing JSON + type wrappers with values of the wrong type or any extra keys. + + .. versionchanged:: 3.4 + Accepts optional parameter `json_options`. See :class:`JSONOptions`. + """ + json_options = kwargs.pop("json_options", DEFAULT_JSON_OPTIONS) + kwargs["object_pairs_hook"] = lambda pairs: object_pairs_hook( + pairs, json_options) + return json.loads(s, *args, **kwargs) + + +def _json_convert(obj, json_options=DEFAULT_JSON_OPTIONS): + """Recursive helper method that converts BSON types so they can be + converted into json. + """ + if hasattr(obj, 'iteritems') or hasattr(obj, 'items'): # PY3 support + return SON(((k, _json_convert(v, json_options)) + for k, v in iteritems(obj))) + elif hasattr(obj, '__iter__') and not isinstance(obj, (text_type, bytes)): + return list((_json_convert(v, json_options) for v in obj)) + try: + return default(obj, json_options) + except TypeError: + return obj + + +def object_pairs_hook(pairs, json_options=DEFAULT_JSON_OPTIONS): + return object_hook(json_options.document_class(pairs), json_options) + + +def object_hook(dct, json_options=DEFAULT_JSON_OPTIONS): + if "$oid" in dct: + return _parse_canonical_oid(dct) + if "$ref" in dct: + return _parse_canonical_dbref(dct) + if "$date" in dct: + return _parse_canonical_datetime(dct, json_options) + if "$regex" in dct: + return _parse_legacy_regex(dct) + if "$minKey" in dct: + return _parse_canonical_minkey(dct) + if "$maxKey" in dct: + return _parse_canonical_maxkey(dct) + if "$binary" in dct: + if "$type" in dct: + return _parse_legacy_binary(dct, json_options) + else: + return _parse_canonical_binary(dct, json_options) + if "$code" in dct: + return _parse_canonical_code(dct) + if "$uuid" in dct: + return _parse_legacy_uuid(dct, json_options) + if "$undefined" in dct: + return None + if "$numberLong" in dct: + return _parse_canonical_int64(dct) + if "$timestamp" in dct: + tsp = dct["$timestamp"] + return Timestamp(tsp["t"], tsp["i"]) + if "$numberDecimal" in dct: + return _parse_canonical_decimal128(dct) + if "$dbPointer" in dct: + return _parse_canonical_dbpointer(dct) + if "$regularExpression" in dct: + return _parse_canonical_regex(dct) + if "$symbol" in dct: + return _parse_canonical_symbol(dct) + if "$numberInt" in dct: + return _parse_canonical_int32(dct) + if "$numberDouble" in dct: + return _parse_canonical_double(dct) + return dct + + +def _parse_legacy_regex(doc): + pattern = doc["$regex"] + # Check if this is the $regex query operator. + if isinstance(pattern, Regex): + return doc + flags = 0 + # PyMongo always adds $options but some other tools may not. + for opt in doc.get("$options", ""): + flags |= _RE_OPT_TABLE.get(opt, 0) + return Regex(pattern, flags) + + +def _parse_legacy_uuid(doc, json_options): + """Decode a JSON legacy $uuid to Python UUID.""" + if len(doc) != 1: + raise TypeError('Bad $uuid, extra field(s): %s' % (doc,)) + if not isinstance(doc["$uuid"], text_type): + raise TypeError('$uuid must be a string: %s' % (doc,)) + if json_options.uuid_representation == UuidRepresentation.UNSPECIFIED: + return Binary.from_uuid(uuid.UUID(doc["$uuid"])) + else: + return uuid.UUID(doc["$uuid"]) + + +def _binary_or_uuid(data, subtype, json_options): + # special handling for UUID + if subtype in ALL_UUID_SUBTYPES: + uuid_representation = json_options.uuid_representation + binary_value = Binary(data, subtype) + if uuid_representation == UuidRepresentation.UNSPECIFIED: + return binary_value + if subtype == UUID_SUBTYPE: + # Legacy behavior: use STANDARD with binary subtype 4. + uuid_representation = UuidRepresentation.STANDARD + elif uuid_representation == UuidRepresentation.STANDARD: + # subtype == OLD_UUID_SUBTYPE + # Legacy behavior: STANDARD is the same as PYTHON_LEGACY. + uuid_representation = UuidRepresentation.PYTHON_LEGACY + return binary_value.as_uuid(uuid_representation) + + if PY3 and subtype == 0: + return data + return Binary(data, subtype) + + +def _parse_legacy_binary(doc, json_options): + if isinstance(doc["$type"], int): + doc["$type"] = "%02x" % doc["$type"] + subtype = int(doc["$type"], 16) + if subtype >= 0xffffff80: # Handle mongoexport values + subtype = int(doc["$type"][6:], 16) + data = base64.b64decode(doc["$binary"].encode()) + return _binary_or_uuid(data, subtype, json_options) + + +def _parse_canonical_binary(doc, json_options): + binary = doc["$binary"] + b64 = binary["base64"] + subtype = binary["subType"] + if not isinstance(b64, string_type): + raise TypeError('$binary base64 must be a string: %s' % (doc,)) + if not isinstance(subtype, string_type) or len(subtype) > 2: + raise TypeError('$binary subType must be a string at most 2 ' + 'characters: %s' % (doc,)) + if len(binary) != 2: + raise TypeError('$binary must include only "base64" and "subType" ' + 'components: %s' % (doc,)) + + data = base64.b64decode(b64.encode()) + return _binary_or_uuid(data, int(subtype, 16), json_options) + + +def _parse_canonical_datetime(doc, json_options): + """Decode a JSON datetime to python datetime.datetime.""" + dtm = doc["$date"] + if len(doc) != 1: + raise TypeError('Bad $date, extra field(s): %s' % (doc,)) + # mongoexport 2.6 and newer + if isinstance(dtm, string_type): + # Parse offset + if dtm[-1] == 'Z': + dt = dtm[:-1] + offset = 'Z' + elif dtm[-6] in ('+', '-') and dtm[-3] == ':': + # (+|-)HH:MM + dt = dtm[:-6] + offset = dtm[-6:] + elif dtm[-5] in ('+', '-'): + # (+|-)HHMM + dt = dtm[:-5] + offset = dtm[-5:] + elif dtm[-3] in ('+', '-'): + # (+|-)HH + dt = dtm[:-3] + offset = dtm[-3:] + else: + dt = dtm + offset = '' + + # Parse the optional factional seconds portion. + dot_index = dt.rfind('.') + microsecond = 0 + if dot_index != -1: + microsecond = int(float(dt[dot_index:]) * 1000000) + dt = dt[:dot_index] + + aware = datetime.datetime.strptime( + dt, "%Y-%m-%dT%H:%M:%S").replace(microsecond=microsecond, + tzinfo=utc) + + if offset and offset != 'Z': + if len(offset) == 6: + hours, minutes = offset[1:].split(':') + secs = (int(hours) * 3600 + int(minutes) * 60) + elif len(offset) == 5: + secs = (int(offset[1:3]) * 3600 + int(offset[3:]) * 60) + elif len(offset) == 3: + secs = int(offset[1:3]) * 3600 + if offset[0] == "-": + secs *= -1 + aware = aware - datetime.timedelta(seconds=secs) + + if json_options.tz_aware: + if json_options.tzinfo: + aware = aware.astimezone(json_options.tzinfo) + return aware + else: + return aware.replace(tzinfo=None) + return bson._millis_to_datetime(int(dtm), json_options) + + +def _parse_canonical_oid(doc): + """Decode a JSON ObjectId to bson.objectid.ObjectId.""" + if len(doc) != 1: + raise TypeError('Bad $oid, extra field(s): %s' % (doc,)) + return ObjectId(doc['$oid']) + + +def _parse_canonical_symbol(doc): + """Decode a JSON symbol to Python string.""" + symbol = doc['$symbol'] + if len(doc) != 1: + raise TypeError('Bad $symbol, extra field(s): %s' % (doc,)) + return text_type(symbol) + + +def _parse_canonical_code(doc): + """Decode a JSON code to bson.code.Code.""" + for key in doc: + if key not in ('$code', '$scope'): + raise TypeError('Bad $code, extra field(s): %s' % (doc,)) + return Code(doc['$code'], scope=doc.get('$scope')) + + +def _parse_canonical_regex(doc): + """Decode a JSON regex to bson.regex.Regex.""" + regex = doc['$regularExpression'] + if len(doc) != 1: + raise TypeError('Bad $regularExpression, extra field(s): %s' % (doc,)) + if len(regex) != 2: + raise TypeError('Bad $regularExpression must include only "pattern"' + 'and "options" components: %s' % (doc,)) + return Regex(regex['pattern'], regex['options']) + + +def _parse_canonical_dbref(doc): + """Decode a JSON DBRef to bson.dbref.DBRef.""" + for key in doc: + if key.startswith('$') and key not in _DBREF_KEYS: + # Other keys start with $, so dct cannot be parsed as a DBRef. + return doc + return DBRef(doc.pop('$ref'), doc.pop('$id'), + database=doc.pop('$db', None), **doc) + + +def _parse_canonical_dbpointer(doc): + """Decode a JSON (deprecated) DBPointer to bson.dbref.DBRef.""" + dbref = doc['$dbPointer'] + if len(doc) != 1: + raise TypeError('Bad $dbPointer, extra field(s): %s' % (doc,)) + if isinstance(dbref, DBRef): + dbref_doc = dbref.as_doc() + # DBPointer must not contain $db in its value. + if dbref.database is not None: + raise TypeError( + 'Bad $dbPointer, extra field $db: %s' % (dbref_doc,)) + if not isinstance(dbref.id, ObjectId): + raise TypeError( + 'Bad $dbPointer, $id must be an ObjectId: %s' % (dbref_doc,)) + if len(dbref_doc) != 2: + raise TypeError( + 'Bad $dbPointer, extra field(s) in DBRef: %s' % (dbref_doc,)) + return dbref + else: + raise TypeError('Bad $dbPointer, expected a DBRef: %s' % (doc,)) + + +def _parse_canonical_int32(doc): + """Decode a JSON int32 to python int.""" + i_str = doc['$numberInt'] + if len(doc) != 1: + raise TypeError('Bad $numberInt, extra field(s): %s' % (doc,)) + if not isinstance(i_str, string_type): + raise TypeError('$numberInt must be string: %s' % (doc,)) + return int(i_str) + + +def _parse_canonical_int64(doc): + """Decode a JSON int64 to bson.int64.Int64.""" + l_str = doc['$numberLong'] + if len(doc) != 1: + raise TypeError('Bad $numberLong, extra field(s): %s' % (doc,)) + return Int64(l_str) + + +def _parse_canonical_double(doc): + """Decode a JSON double to python float.""" + d_str = doc['$numberDouble'] + if len(doc) != 1: + raise TypeError('Bad $numberDouble, extra field(s): %s' % (doc,)) + if not isinstance(d_str, string_type): + raise TypeError('$numberDouble must be string: %s' % (doc,)) + return float(d_str) + + +def _parse_canonical_decimal128(doc): + """Decode a JSON decimal128 to bson.decimal128.Decimal128.""" + d_str = doc['$numberDecimal'] + if len(doc) != 1: + raise TypeError('Bad $numberDecimal, extra field(s): %s' % (doc,)) + if not isinstance(d_str, string_type): + raise TypeError('$numberDecimal must be string: %s' % (doc,)) + return Decimal128(d_str) + + +def _parse_canonical_minkey(doc): + """Decode a JSON MinKey to bson.min_key.MinKey.""" + if type(doc['$minKey']) is not int or doc['$minKey'] != 1: + raise TypeError('$minKey value must be 1: %s' % (doc,)) + if len(doc) != 1: + raise TypeError('Bad $minKey, extra field(s): %s' % (doc,)) + return MinKey() + + +def _parse_canonical_maxkey(doc): + """Decode a JSON MaxKey to bson.max_key.MaxKey.""" + if type(doc['$maxKey']) is not int or doc['$maxKey'] != 1: + raise TypeError('$maxKey value must be 1: %s', (doc,)) + if len(doc) != 1: + raise TypeError('Bad $minKey, extra field(s): %s' % (doc,)) + return MaxKey() + + +def _encode_binary(data, subtype, json_options): + if json_options.json_mode == JSONMode.LEGACY: + return SON([ + ('$binary', base64.b64encode(data).decode()), + ('$type', "%02x" % subtype)]) + return {'$binary': SON([ + ('base64', base64.b64encode(data).decode()), + ('subType', "%02x" % subtype)])} + + +def default(obj, json_options=DEFAULT_JSON_OPTIONS): + # We preserve key order when rendering SON, DBRef, etc. as JSON by + # returning a SON for those types instead of a dict. + if isinstance(obj, ObjectId): + return {"$oid": str(obj)} + if isinstance(obj, DBRef): + return _json_convert(obj.as_doc(), json_options=json_options) + if isinstance(obj, datetime.datetime): + if (json_options.datetime_representation == + DatetimeRepresentation.ISO8601): + if not obj.tzinfo: + obj = obj.replace(tzinfo=utc) + if obj >= EPOCH_AWARE: + off = obj.tzinfo.utcoffset(obj) + if (off.days, off.seconds, off.microseconds) == (0, 0, 0): + tz_string = 'Z' + else: + tz_string = obj.strftime('%z') + millis = int(obj.microsecond / 1000) + fracsecs = ".%03d" % (millis,) if millis else "" + return {"$date": "%s%s%s" % ( + obj.strftime("%Y-%m-%dT%H:%M:%S"), fracsecs, tz_string)} + + millis = bson._datetime_to_millis(obj) + if (json_options.datetime_representation == + DatetimeRepresentation.LEGACY): + return {"$date": millis} + return {"$date": {"$numberLong": str(millis)}} + if json_options.strict_number_long and isinstance(obj, Int64): + return {"$numberLong": str(obj)} + if isinstance(obj, (RE_TYPE, Regex)): + flags = "" + if obj.flags & re.IGNORECASE: + flags += "i" + if obj.flags & re.LOCALE: + flags += "l" + if obj.flags & re.MULTILINE: + flags += "m" + if obj.flags & re.DOTALL: + flags += "s" + if obj.flags & re.UNICODE: + flags += "u" + if obj.flags & re.VERBOSE: + flags += "x" + if isinstance(obj.pattern, text_type): + pattern = obj.pattern + else: + pattern = obj.pattern.decode('utf-8') + if json_options.json_mode == JSONMode.LEGACY: + return SON([("$regex", pattern), ("$options", flags)]) + return {'$regularExpression': SON([("pattern", pattern), + ("options", flags)])} + if isinstance(obj, MinKey): + return {"$minKey": 1} + if isinstance(obj, MaxKey): + return {"$maxKey": 1} + if isinstance(obj, Timestamp): + return {"$timestamp": SON([("t", obj.time), ("i", obj.inc)])} + if isinstance(obj, Code): + if obj.scope is None: + return {'$code': str(obj)} + return SON([ + ('$code', str(obj)), + ('$scope', _json_convert(obj.scope, json_options))]) + if isinstance(obj, Binary): + return _encode_binary(obj, obj.subtype, json_options) + if PY3 and isinstance(obj, bytes): + return _encode_binary(obj, 0, json_options) + if isinstance(obj, uuid.UUID): + if json_options.strict_uuid: + binval = Binary.from_uuid( + obj, uuid_representation=json_options.uuid_representation) + return _encode_binary(binval, binval.subtype, json_options) + else: + return {"$uuid": obj.hex} + if isinstance(obj, Decimal128): + return {"$numberDecimal": str(obj)} + if isinstance(obj, bool): + return obj + if (json_options.json_mode == JSONMode.CANONICAL and + isinstance(obj, integer_types)): + if -2 ** 31 <= obj < 2 ** 31: + return {'$numberInt': text_type(obj)} + return {'$numberLong': text_type(obj)} + if json_options.json_mode != JSONMode.LEGACY and isinstance(obj, float): + if math.isnan(obj): + return {'$numberDouble': 'NaN'} + elif math.isinf(obj): + representation = 'Infinity' if obj > 0 else '-Infinity' + return {'$numberDouble': representation} + elif json_options.json_mode == JSONMode.CANONICAL: + # repr() will return the shortest string guaranteed to produce the + # original value, when float() is called on it. str produces a + # shorter string in Python 2. + return {'$numberDouble': text_type(repr(obj))} + raise TypeError("%r is not JSON serializable" % obj) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/max_key.py b/backend/mb-env/lib/python3.9/site-packages/bson/max_key.py new file mode 100644 index 0000000..7e89dd7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/max_key.py @@ -0,0 +1,50 @@ +# Copyright 2010-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Representation for the MongoDB internal MaxKey type. +""" + + +class MaxKey(object): + """MongoDB internal MaxKey type. + + .. versionchanged:: 2.7 + ``MaxKey`` now implements comparison operators. + """ + + _type_marker = 127 + + def __eq__(self, other): + return isinstance(other, MaxKey) + + def __hash__(self): + return hash(self._type_marker) + + def __ne__(self, other): + return not self == other + + def __le__(self, other): + return isinstance(other, MaxKey) + + def __lt__(self, dummy): + return False + + def __ge__(self, dummy): + return True + + def __gt__(self, other): + return not isinstance(other, MaxKey) + + def __repr__(self): + return "MaxKey()" diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/min_key.py b/backend/mb-env/lib/python3.9/site-packages/bson/min_key.py new file mode 100644 index 0000000..b03520e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/min_key.py @@ -0,0 +1,50 @@ +# Copyright 2010-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Representation for the MongoDB internal MinKey type. +""" + + +class MinKey(object): + """MongoDB internal MinKey type. + + .. versionchanged:: 2.7 + ``MinKey`` now implements comparison operators. + """ + + _type_marker = 255 + + def __eq__(self, other): + return isinstance(other, MinKey) + + def __hash__(self): + return hash(self._type_marker) + + def __ne__(self, other): + return not self == other + + def __le__(self, dummy): + return True + + def __lt__(self, other): + return not isinstance(other, MinKey) + + def __ge__(self, other): + return isinstance(other, MinKey) + + def __gt__(self, dummy): + return False + + def __repr__(self): + return "MinKey()" diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/objectid.py b/backend/mb-env/lib/python3.9/site-packages/bson/objectid.py new file mode 100644 index 0000000..c6fa652 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/objectid.py @@ -0,0 +1,299 @@ +# Copyright 2009-2015 MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for working with MongoDB `ObjectIds +`_. +""" + +import binascii +import calendar +import datetime +import os +import struct +import threading +import time + +from random import SystemRandom + +from bson.errors import InvalidId +from bson.py3compat import PY3, bytes_from_hex, string_type, text_type +from bson.tz_util import utc + + +_MAX_COUNTER_VALUE = 0xFFFFFF + + +def _raise_invalid_id(oid): + raise InvalidId( + "%r is not a valid ObjectId, it must be a 12-byte input" + " or a 24-character hex string" % oid) + + +def _random_bytes(): + """Get the 5-byte random field of an ObjectId.""" + return os.urandom(5) + + +class ObjectId(object): + """A MongoDB ObjectId. + """ + + _pid = os.getpid() + + _inc = SystemRandom().randint(0, _MAX_COUNTER_VALUE) + _inc_lock = threading.Lock() + + __random = _random_bytes() + + __slots__ = ('__id',) + + _type_marker = 7 + + def __init__(self, oid=None): + """Initialize a new ObjectId. + + An ObjectId is a 12-byte unique identifier consisting of: + + - a 4-byte value representing the seconds since the Unix epoch, + - a 5-byte random value, + - a 3-byte counter, starting with a random value. + + By default, ``ObjectId()`` creates a new unique identifier. The + optional parameter `oid` can be an :class:`ObjectId`, or any 12 + :class:`bytes` or, in Python 2, any 12-character :class:`str`. + + For example, the 12 bytes b'foo-bar-quux' do not follow the ObjectId + specification but they are acceptable input:: + + >>> ObjectId(b'foo-bar-quux') + ObjectId('666f6f2d6261722d71757578') + + `oid` can also be a :class:`unicode` or :class:`str` of 24 hex digits:: + + >>> ObjectId('0123456789ab0123456789ab') + ObjectId('0123456789ab0123456789ab') + >>> + >>> # A u-prefixed unicode literal: + >>> ObjectId(u'0123456789ab0123456789ab') + ObjectId('0123456789ab0123456789ab') + + Raises :class:`~bson.errors.InvalidId` if `oid` is not 12 bytes nor + 24 hex digits, or :class:`TypeError` if `oid` is not an accepted type. + + :Parameters: + - `oid` (optional): a valid ObjectId. + + .. mongodoc:: objectids + + .. versionchanged:: 3.8 + :class:`~bson.objectid.ObjectId` now implements the `ObjectID + specification version 0.2 + `_. + """ + if oid is None: + self.__generate() + elif isinstance(oid, bytes) and len(oid) == 12: + self.__id = oid + else: + self.__validate(oid) + + @classmethod + def from_datetime(cls, generation_time): + """Create a dummy ObjectId instance with a specific generation time. + + This method is useful for doing range queries on a field + containing :class:`ObjectId` instances. + + .. warning:: + It is not safe to insert a document containing an ObjectId + generated using this method. This method deliberately + eliminates the uniqueness guarantee that ObjectIds + generally provide. ObjectIds generated with this method + should be used exclusively in queries. + + `generation_time` will be converted to UTC. Naive datetime + instances will be treated as though they already contain UTC. + + An example using this helper to get documents where ``"_id"`` + was generated before January 1, 2010 would be: + + >>> gen_time = datetime.datetime(2010, 1, 1) + >>> dummy_id = ObjectId.from_datetime(gen_time) + >>> result = collection.find({"_id": {"$lt": dummy_id}}) + + :Parameters: + - `generation_time`: :class:`~datetime.datetime` to be used + as the generation time for the resulting ObjectId. + """ + if generation_time.utcoffset() is not None: + generation_time = generation_time - generation_time.utcoffset() + timestamp = calendar.timegm(generation_time.timetuple()) + oid = struct.pack( + ">I", int(timestamp)) + b"\x00\x00\x00\x00\x00\x00\x00\x00" + return cls(oid) + + @classmethod + def is_valid(cls, oid): + """Checks if a `oid` string is valid or not. + + :Parameters: + - `oid`: the object id to validate + + .. versionadded:: 2.3 + """ + if not oid: + return False + + try: + ObjectId(oid) + return True + except (InvalidId, TypeError): + return False + + @classmethod + def _random(cls): + """Generate a 5-byte random number once per process. + """ + pid = os.getpid() + if pid != cls._pid: + cls._pid = pid + cls.__random = _random_bytes() + return cls.__random + + def __generate(self): + """Generate a new value for this ObjectId. + """ + + # 4 bytes current time + oid = struct.pack(">I", int(time.time())) + + # 5 bytes random + oid += ObjectId._random() + + # 3 bytes inc + with ObjectId._inc_lock: + oid += struct.pack(">I", ObjectId._inc)[1:4] + ObjectId._inc = (ObjectId._inc + 1) % (_MAX_COUNTER_VALUE + 1) + + self.__id = oid + + def __validate(self, oid): + """Validate and use the given id for this ObjectId. + + Raises TypeError if id is not an instance of + (:class:`basestring` (:class:`str` or :class:`bytes` + in python 3), ObjectId) and InvalidId if it is not a + valid ObjectId. + + :Parameters: + - `oid`: a valid ObjectId + """ + if isinstance(oid, ObjectId): + self.__id = oid.binary + # bytes or unicode in python 2, str in python 3 + elif isinstance(oid, string_type): + if len(oid) == 24: + try: + self.__id = bytes_from_hex(oid) + except (TypeError, ValueError): + _raise_invalid_id(oid) + else: + _raise_invalid_id(oid) + else: + raise TypeError("id must be an instance of (bytes, %s, ObjectId), " + "not %s" % (text_type.__name__, type(oid))) + + @property + def binary(self): + """12-byte binary representation of this ObjectId. + """ + return self.__id + + @property + def generation_time(self): + """A :class:`datetime.datetime` instance representing the time of + generation for this :class:`ObjectId`. + + The :class:`datetime.datetime` is timezone aware, and + represents the generation time in UTC. It is precise to the + second. + """ + timestamp = struct.unpack(">I", self.__id[0:4])[0] + return datetime.datetime.fromtimestamp(timestamp, utc) + + def __getstate__(self): + """return value of object for pickling. + needed explicitly because __slots__() defined. + """ + return self.__id + + def __setstate__(self, value): + """explicit state set from pickling + """ + # Provide backwards compatability with OIDs + # pickled with pymongo-1.9 or older. + if isinstance(value, dict): + oid = value["_ObjectId__id"] + else: + oid = value + # ObjectIds pickled in python 2.x used `str` for __id. + # In python 3.x this has to be converted to `bytes` + # by encoding latin-1. + if PY3 and isinstance(oid, text_type): + self.__id = oid.encode('latin-1') + else: + self.__id = oid + + def __str__(self): + if PY3: + return binascii.hexlify(self.__id).decode() + return binascii.hexlify(self.__id) + + def __repr__(self): + return "ObjectId('%s')" % (str(self),) + + def __eq__(self, other): + if isinstance(other, ObjectId): + return self.__id == other.binary + return NotImplemented + + def __ne__(self, other): + if isinstance(other, ObjectId): + return self.__id != other.binary + return NotImplemented + + def __lt__(self, other): + if isinstance(other, ObjectId): + return self.__id < other.binary + return NotImplemented + + def __le__(self, other): + if isinstance(other, ObjectId): + return self.__id <= other.binary + return NotImplemented + + def __gt__(self, other): + if isinstance(other, ObjectId): + return self.__id > other.binary + return NotImplemented + + def __ge__(self, other): + if isinstance(other, ObjectId): + return self.__id >= other.binary + return NotImplemented + + def __hash__(self): + """Get a hash value for this :class:`ObjectId`.""" + return hash(self.__id) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/py3compat.py b/backend/mb-env/lib/python3.9/site-packages/bson/py3compat.py new file mode 100644 index 0000000..84d1ea0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/py3compat.py @@ -0,0 +1,107 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); you +# may not use this file except in compliance with the License. You +# may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. See the License for the specific language governing +# permissions and limitations under the License. + +"""Utility functions and definitions for python3 compatibility.""" + +import sys + +PY3 = sys.version_info[0] == 3 + +if PY3: + import codecs + import collections.abc as abc + import _thread as thread + from abc import ABC, abstractmethod + from io import BytesIO as StringIO + + def abstractproperty(func): + return property(abstractmethod(func)) + + MAXSIZE = sys.maxsize + + imap = map + + def b(s): + # BSON and socket operations deal in binary data. In + # python 3 that means instances of `bytes`. In python + # 2.7 you can create an alias for `bytes` using + # the b prefix (e.g. b'foo'). + # See http://python3porting.com/problems.html#nicer-solutions + return codecs.latin_1_encode(s)[0] + + def bytes_from_hex(h): + return bytes.fromhex(h) + + def iteritems(d): + return iter(d.items()) + + def itervalues(d): + return iter(d.values()) + + def reraise(exctype, value, trace=None): + raise exctype(str(value)).with_traceback(trace) + + def reraise_instance(exc_instance, trace=None): + raise exc_instance.with_traceback(trace) + + def _unicode(s): + return s + + text_type = str + string_type = str + integer_types = int +else: + import collections as abc + import thread + from abc import ABCMeta, abstractproperty + + from itertools import imap + try: + from cStringIO import StringIO + except ImportError: + from StringIO import StringIO + + ABC = ABCMeta('ABC', (object,), {}) + + MAXSIZE = sys.maxint + + def b(s): + # See comments above. In python 2.x b('foo') is just 'foo'. + return s + + def bytes_from_hex(h): + return h.decode('hex') + + def iteritems(d): + return d.iteritems() + + def itervalues(d): + return d.itervalues() + + def reraise(exctype, value, trace=None): + _reraise(exctype, str(value), trace) + + def reraise_instance(exc_instance, trace=None): + _reraise(exc_instance, None, trace) + + # "raise x, y, z" raises SyntaxError in Python 3 + exec("""def _reraise(exc, value, trace): + raise exc, value, trace +""") + + _unicode = unicode + + string_type = basestring + text_type = unicode + integer_types = (int, long) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/raw_bson.py b/backend/mb-env/lib/python3.9/site-packages/bson/raw_bson.py new file mode 100644 index 0000000..78d0aee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/raw_bson.py @@ -0,0 +1,176 @@ +# Copyright 2015-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for representing raw BSON documents. + +Inserting and Retrieving RawBSONDocuments +========================================= + +Example: Moving a document between different databases/collections + +.. doctest:: + + >>> import bson + >>> from pymongo import MongoClient + >>> from bson.raw_bson import RawBSONDocument + >>> client = MongoClient(document_class=RawBSONDocument) + >>> client.drop_database('db') + >>> client.drop_database('replica_db') + >>> db = client.db + >>> result = db.test.insert_many([{'a': 1}, + ... {'b': 1}, + ... {'c': 1}, + ... {'d': 1}]) + >>> replica_db = client.replica_db + >>> for doc in db.test.find(): + ... print("raw document: %r" % (doc.raw,)) + ... result = replica_db.test.insert_one(doc) + raw document: '...' + raw document: '...' + raw document: '...' + raw document: '...' + >>> for doc in replica_db.test.find(projection={'_id': 0}): + ... print("decoded document: %r" % (bson.decode(doc.raw),)) + decoded document: {u'a': 1} + decoded document: {u'b': 1} + decoded document: {u'c': 1} + decoded document: {u'd': 1} + +For use cases like moving documents across different databases or writing binary +blobs to disk, using raw BSON documents provides better speed and avoids the +overhead of decoding or encoding BSON. +""" + +from bson import _raw_to_dict, _get_object_size +from bson.py3compat import abc, iteritems +from bson.codec_options import ( + DEFAULT_CODEC_OPTIONS as DEFAULT, _RAW_BSON_DOCUMENT_MARKER) +from bson.son import SON + + +class RawBSONDocument(abc.Mapping): + """Representation for a MongoDB document that provides access to the raw + BSON bytes that compose it. + + Only when a field is accessed or modified within the document does + RawBSONDocument decode its bytes. + """ + + __slots__ = ('__raw', '__inflated_doc', '__codec_options') + _type_marker = _RAW_BSON_DOCUMENT_MARKER + + def __init__(self, bson_bytes, codec_options=None): + """Create a new :class:`RawBSONDocument` + + :class:`RawBSONDocument` is a representation of a BSON document that + provides access to the underlying raw BSON bytes. Only when a field is + accessed or modified within the document does RawBSONDocument decode + its bytes. + + :class:`RawBSONDocument` implements the ``Mapping`` abstract base + class from the standard library so it can be used like a read-only + ``dict``:: + + >>> from bson import encode + >>> raw_doc = RawBSONDocument(encode({'_id': 'my_doc'})) + >>> raw_doc.raw + b'...' + >>> raw_doc['_id'] + 'my_doc' + + :Parameters: + - `bson_bytes`: the BSON bytes that compose this document + - `codec_options` (optional): An instance of + :class:`~bson.codec_options.CodecOptions` whose ``document_class`` + must be :class:`RawBSONDocument`. The default is + :attr:`DEFAULT_RAW_BSON_OPTIONS`. + + .. versionchanged:: 3.8 + :class:`RawBSONDocument` now validates that the ``bson_bytes`` + passed in represent a single bson document. + + .. versionchanged:: 3.5 + If a :class:`~bson.codec_options.CodecOptions` is passed in, its + `document_class` must be :class:`RawBSONDocument`. + """ + self.__raw = bson_bytes + self.__inflated_doc = None + # Can't default codec_options to DEFAULT_RAW_BSON_OPTIONS in signature, + # it refers to this class RawBSONDocument. + if codec_options is None: + codec_options = DEFAULT_RAW_BSON_OPTIONS + elif codec_options.document_class is not RawBSONDocument: + raise TypeError( + "RawBSONDocument cannot use CodecOptions with document " + "class %s" % (codec_options.document_class, )) + self.__codec_options = codec_options + # Validate the bson object size. + _get_object_size(bson_bytes, 0, len(bson_bytes)) + + @property + def raw(self): + """The raw BSON bytes composing this document.""" + return self.__raw + + def items(self): + """Lazily decode and iterate elements in this document.""" + return iteritems(self.__inflated) + + @property + def __inflated(self): + if self.__inflated_doc is None: + # We already validated the object's size when this document was + # created, so no need to do that again. + # Use SON to preserve ordering of elements. + self.__inflated_doc = _inflate_bson( + self.__raw, self.__codec_options) + return self.__inflated_doc + + def __getitem__(self, item): + return self.__inflated[item] + + def __iter__(self): + return iter(self.__inflated) + + def __len__(self): + return len(self.__inflated) + + def __eq__(self, other): + if isinstance(other, RawBSONDocument): + return self.__raw == other.raw + return NotImplemented + + def __repr__(self): + return ("RawBSONDocument(%r, codec_options=%r)" + % (self.raw, self.__codec_options)) + + +def _inflate_bson(bson_bytes, codec_options): + """Inflates the top level fields of a BSON document. + + :Parameters: + - `bson_bytes`: the BSON bytes that compose this document + - `codec_options`: An instance of + :class:`~bson.codec_options.CodecOptions` whose ``document_class`` + must be :class:`RawBSONDocument`. + """ + # Use SON to preserve ordering of elements. + return _raw_to_dict( + bson_bytes, 4, len(bson_bytes)-1, codec_options, SON()) + + +DEFAULT_RAW_BSON_OPTIONS = DEFAULT.with_options(document_class=RawBSONDocument) +"""The default :class:`~bson.codec_options.CodecOptions` for +:class:`RawBSONDocument`. +""" diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/regex.py b/backend/mb-env/lib/python3.9/site-packages/bson/regex.py new file mode 100644 index 0000000..f9d39ad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/regex.py @@ -0,0 +1,128 @@ +# Copyright 2013-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for representing MongoDB regular expressions. +""" + +import re + +from bson.son import RE_TYPE +from bson.py3compat import string_type, text_type + + +def str_flags_to_int(str_flags): + flags = 0 + if "i" in str_flags: + flags |= re.IGNORECASE + if "l" in str_flags: + flags |= re.LOCALE + if "m" in str_flags: + flags |= re.MULTILINE + if "s" in str_flags: + flags |= re.DOTALL + if "u" in str_flags: + flags |= re.UNICODE + if "x" in str_flags: + flags |= re.VERBOSE + + return flags + + +class Regex(object): + """BSON regular expression data.""" + _type_marker = 11 + + @classmethod + def from_native(cls, regex): + """Convert a Python regular expression into a ``Regex`` instance. + + Note that in Python 3, a regular expression compiled from a + :class:`str` has the ``re.UNICODE`` flag set. If it is undesirable + to store this flag in a BSON regular expression, unset it first:: + + >>> pattern = re.compile('.*') + >>> regex = Regex.from_native(pattern) + >>> regex.flags ^= re.UNICODE + >>> db.collection.insert({'pattern': regex}) + + :Parameters: + - `regex`: A regular expression object from ``re.compile()``. + + .. warning:: + Python regular expressions use a different syntax and different + set of flags than MongoDB, which uses `PCRE`_. A regular + expression retrieved from the server may not compile in + Python, or may match a different set of strings in Python than + when used in a MongoDB query. + + .. _PCRE: http://www.pcre.org/ + """ + if not isinstance(regex, RE_TYPE): + raise TypeError( + "regex must be a compiled regular expression, not %s" + % type(regex)) + + return Regex(regex.pattern, regex.flags) + + def __init__(self, pattern, flags=0): + """BSON regular expression data. + + This class is useful to store and retrieve regular expressions that are + incompatible with Python's regular expression dialect. + + :Parameters: + - `pattern`: string + - `flags`: (optional) an integer bitmask, or a string of flag + characters like "im" for IGNORECASE and MULTILINE + """ + if not isinstance(pattern, (text_type, bytes)): + raise TypeError("pattern must be a string, not %s" % type(pattern)) + self.pattern = pattern + + if isinstance(flags, string_type): + self.flags = str_flags_to_int(flags) + elif isinstance(flags, int): + self.flags = flags + else: + raise TypeError( + "flags must be a string or int, not %s" % type(flags)) + + def __eq__(self, other): + if isinstance(other, Regex): + return self.pattern == other.pattern and self.flags == other.flags + else: + return NotImplemented + + __hash__ = None + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return "Regex(%r, %r)" % (self.pattern, self.flags) + + def try_compile(self): + """Compile this :class:`Regex` as a Python regular expression. + + .. warning:: + Python regular expressions use a different syntax and different + set of flags than MongoDB, which uses `PCRE`_. A regular + expression retrieved from the server may not compile in + Python, or may match a different set of strings in Python than + when used in a MongoDB query. :meth:`try_compile()` may raise + :exc:`re.error`. + + .. _PCRE: http://www.pcre.org/ + """ + return re.compile(self.pattern, self.flags) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/son.py b/backend/mb-env/lib/python3.9/site-packages/bson/son.py new file mode 100644 index 0000000..701cb23 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/son.py @@ -0,0 +1,200 @@ +# Copyright 2009-present MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for creating and manipulating SON, the Serialized Ocument Notation. + +Regular dictionaries can be used instead of SON objects, but not when the order +of keys is important. A SON object can be used just like a normal Python +dictionary.""" + +import copy +import re + +from bson.py3compat import abc, iteritems + + +# This sort of sucks, but seems to be as good as it gets... +# This is essentially the same as re._pattern_type +RE_TYPE = type(re.compile("")) + + +class SON(dict): + """SON data. + + A subclass of dict that maintains ordering of keys and provides a + few extra niceties for dealing with SON. SON provides an API + similar to collections.OrderedDict from Python 2.7+. + """ + + def __init__(self, data=None, **kwargs): + self.__keys = [] + dict.__init__(self) + self.update(data) + self.update(kwargs) + + def __new__(cls, *args, **kwargs): + instance = super(SON, cls).__new__(cls, *args, **kwargs) + instance.__keys = [] + return instance + + def __repr__(self): + result = [] + for key in self.__keys: + result.append("(%r, %r)" % (key, self[key])) + return "SON([%s])" % ", ".join(result) + + def __setitem__(self, key, value): + if key not in self.__keys: + self.__keys.append(key) + dict.__setitem__(self, key, value) + + def __delitem__(self, key): + self.__keys.remove(key) + dict.__delitem__(self, key) + + def keys(self): + return list(self.__keys) + + def copy(self): + other = SON() + other.update(self) + return other + + # TODO this is all from UserDict.DictMixin. it could probably be made more + # efficient. + # second level definitions support higher levels + def __iter__(self): + for k in self.__keys: + yield k + + def has_key(self, key): + return key in self.__keys + + # third level takes advantage of second level definitions + def iteritems(self): + for k in self: + yield (k, self[k]) + + def iterkeys(self): + return self.__iter__() + + # fourth level uses definitions from lower levels + def itervalues(self): + for _, v in self.iteritems(): + yield v + + def values(self): + return [v for _, v in self.iteritems()] + + def items(self): + return [(key, self[key]) for key in self] + + def clear(self): + self.__keys = [] + super(SON, self).clear() + + def setdefault(self, key, default=None): + try: + return self[key] + except KeyError: + self[key] = default + return default + + def pop(self, key, *args): + if len(args) > 1: + raise TypeError("pop expected at most 2 arguments, got "\ + + repr(1 + len(args))) + try: + value = self[key] + except KeyError: + if args: + return args[0] + raise + del self[key] + return value + + def popitem(self): + try: + k, v = next(self.iteritems()) + except StopIteration: + raise KeyError('container is empty') + del self[k] + return (k, v) + + def update(self, other=None, **kwargs): + # Make progressively weaker assumptions about "other" + if other is None: + pass + elif hasattr(other, 'iteritems'): # iteritems saves memory and lookups + for k, v in other.iteritems(): + self[k] = v + elif hasattr(other, 'keys'): + for k in other.keys(): + self[k] = other[k] + else: + for k, v in other: + self[k] = v + if kwargs: + self.update(kwargs) + + def get(self, key, default=None): + try: + return self[key] + except KeyError: + return default + + def __eq__(self, other): + """Comparison to another SON is order-sensitive while comparison to a + regular dictionary is order-insensitive. + """ + if isinstance(other, SON): + return len(self) == len(other) and self.items() == other.items() + return self.to_dict() == other + + def __ne__(self, other): + return not self == other + + def __len__(self): + return len(self.__keys) + + def to_dict(self): + """Convert a SON document to a normal Python dictionary instance. + + This is trickier than just *dict(...)* because it needs to be + recursive. + """ + + def transform_value(value): + if isinstance(value, list): + return [transform_value(v) for v in value] + elif isinstance(value, abc.Mapping): + return dict([ + (k, transform_value(v)) + for k, v in iteritems(value)]) + else: + return value + + return transform_value(dict(self)) + + def __deepcopy__(self, memo): + out = SON() + val_id = id(self) + if val_id in memo: + return memo.get(val_id) + memo[val_id] = out + for k, v in self.iteritems(): + if not isinstance(v, RE_TYPE): + v = copy.deepcopy(v, memo) + out[k] = v + return out diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/timestamp.py b/backend/mb-env/lib/python3.9/site-packages/bson/timestamp.py new file mode 100644 index 0000000..7ea7551 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/timestamp.py @@ -0,0 +1,120 @@ +# Copyright 2010-2015 MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tools for representing MongoDB internal Timestamps. +""" + +import calendar +import datetime + +from bson.py3compat import integer_types +from bson.tz_util import utc + +UPPERBOUND = 4294967296 + + +class Timestamp(object): + """MongoDB internal timestamps used in the opLog. + """ + + _type_marker = 17 + + def __init__(self, time, inc): + """Create a new :class:`Timestamp`. + + This class is only for use with the MongoDB opLog. If you need + to store a regular timestamp, please use a + :class:`~datetime.datetime`. + + Raises :class:`TypeError` if `time` is not an instance of + :class: `int` or :class:`~datetime.datetime`, or `inc` is not + an instance of :class:`int`. Raises :class:`ValueError` if + `time` or `inc` is not in [0, 2**32). + + :Parameters: + - `time`: time in seconds since epoch UTC, or a naive UTC + :class:`~datetime.datetime`, or an aware + :class:`~datetime.datetime` + - `inc`: the incrementing counter + """ + if isinstance(time, datetime.datetime): + if time.utcoffset() is not None: + time = time - time.utcoffset() + time = int(calendar.timegm(time.timetuple())) + if not isinstance(time, integer_types): + raise TypeError("time must be an instance of int") + if not isinstance(inc, integer_types): + raise TypeError("inc must be an instance of int") + if not 0 <= time < UPPERBOUND: + raise ValueError("time must be contained in [0, 2**32)") + if not 0 <= inc < UPPERBOUND: + raise ValueError("inc must be contained in [0, 2**32)") + + self.__time = time + self.__inc = inc + + @property + def time(self): + """Get the time portion of this :class:`Timestamp`. + """ + return self.__time + + @property + def inc(self): + """Get the inc portion of this :class:`Timestamp`. + """ + return self.__inc + + def __eq__(self, other): + if isinstance(other, Timestamp): + return (self.__time == other.time and self.__inc == other.inc) + else: + return NotImplemented + + def __hash__(self): + return hash(self.time) ^ hash(self.inc) + + def __ne__(self, other): + return not self == other + + def __lt__(self, other): + if isinstance(other, Timestamp): + return (self.time, self.inc) < (other.time, other.inc) + return NotImplemented + + def __le__(self, other): + if isinstance(other, Timestamp): + return (self.time, self.inc) <= (other.time, other.inc) + return NotImplemented + + def __gt__(self, other): + if isinstance(other, Timestamp): + return (self.time, self.inc) > (other.time, other.inc) + return NotImplemented + + def __ge__(self, other): + if isinstance(other, Timestamp): + return (self.time, self.inc) >= (other.time, other.inc) + return NotImplemented + + def __repr__(self): + return "Timestamp(%s, %s)" % (self.__time, self.__inc) + + def as_datetime(self): + """Return a :class:`~datetime.datetime` instance corresponding + to the time portion of this :class:`Timestamp`. + + The returned datetime's timezone is UTC. + """ + return datetime.datetime.fromtimestamp(self.__time, utc) diff --git a/backend/mb-env/lib/python3.9/site-packages/bson/tz_util.py b/backend/mb-env/lib/python3.9/site-packages/bson/tz_util.py new file mode 100644 index 0000000..6ec918f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/bson/tz_util.py @@ -0,0 +1,52 @@ +# Copyright 2010-2015 MongoDB, Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Timezone related utilities for BSON.""" + +from datetime import (timedelta, + tzinfo) + +ZERO = timedelta(0) + + +class FixedOffset(tzinfo): + """Fixed offset timezone, in minutes east from UTC. + + Implementation based from the Python `standard library documentation + `_. + Defining __getinitargs__ enables pickling / copying. + """ + + def __init__(self, offset, name): + if isinstance(offset, timedelta): + self.__offset = offset + else: + self.__offset = timedelta(minutes=offset) + self.__name = name + + def __getinitargs__(self): + return self.__offset, self.__name + + def utcoffset(self, dt): + return self.__offset + + def tzname(self, dt): + return self.__name + + def dst(self, dt): + return ZERO + + +utc = FixedOffset(0, "UTC") +"""Fixed offset timezone representing UTC.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/LICENSE new file mode 100644 index 0000000..c2fda9a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/LICENSE @@ -0,0 +1,21 @@ +This package contains a modified version of ca-bundle.crt: + +ca-bundle.crt -- Bundle of CA Root Certificates + +Certificate data from Mozilla as of: Thu Nov 3 19:04:19 2011# +This is a bundle of X.509 certificates of public Certificate Authorities +(CA). These were automatically extracted from Mozilla's root certificates +file (certdata.txt). This file can be found in the mozilla source tree: +http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1# +It contains the certificates in PEM format and therefore +can be directly used with curl / libcurl / php_curl, or with +an Apache+mod_ssl webserver for SSL client authentication. +Just configure this file as the SSLCACertificateFile.# + +***** BEGIN LICENSE BLOCK ***** +This Source Code Form is subject to the terms of the Mozilla Public License, +v. 2.0. If a copy of the MPL was not distributed with this file, You can obtain +one at http://mozilla.org/MPL/2.0/. + +***** END LICENSE BLOCK ***** +@(#) $RCSfile: certdata.txt,v $ $Revision: 1.80 $ $Date: 2011/11/03 15:11:58 $ diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/METADATA new file mode 100644 index 0000000..df1cc0e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/METADATA @@ -0,0 +1,83 @@ +Metadata-Version: 2.1 +Name: certifi +Version: 2021.5.30 +Summary: Python package for providing Mozilla's CA Bundle. +Home-page: https://certifiio.readthedocs.io/en/latest/ +Author: Kenneth Reitz +Author-email: me@kennethreitz.com +License: MPL-2.0 +Project-URL: Documentation, https://certifiio.readthedocs.io/en/latest/ +Project-URL: Source, https://github.com/certifi/python-certifi +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0) +Classifier: Natural Language :: English +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 + +Certifi: Python SSL Certificates +================================ + +`Certifi`_ provides Mozilla's carefully curated collection of Root Certificates for +validating the trustworthiness of SSL certificates while verifying the identity +of TLS hosts. It has been extracted from the `Requests`_ project. + +Installation +------------ + +``certifi`` is available on PyPI. Simply install it with ``pip``:: + + $ pip install certifi + +Usage +----- + +To reference the installed certificate authority (CA) bundle, you can use the +built-in function:: + + >>> import certifi + + >>> certifi.where() + '/usr/local/lib/python3.7/site-packages/certifi/cacert.pem' + +Or from the command line:: + + $ python -m certifi + /usr/local/lib/python3.7/site-packages/certifi/cacert.pem + +Enjoy! + +1024-bit Root Certificates +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Browsers and certificate authorities have concluded that 1024-bit keys are +unacceptably weak for certificates, particularly root certificates. For this +reason, Mozilla has removed any weak (i.e. 1024-bit key) certificate from its +bundle, replacing it with an equivalent strong (i.e. 2048-bit or greater key) +certificate from the same CA. Because Mozilla removed these certificates from +its bundle, ``certifi`` removed them as well. + +In previous versions, ``certifi`` provided the ``certifi.old_where()`` function +to intentionally re-add the 1024-bit roots back into your bundle. This was not +recommended in production and therefore was removed at the end of 2018. + +.. _`Certifi`: https://certifiio.readthedocs.io/en/latest/ +.. _`Requests`: https://requests.readthedocs.io/en/master/ + +Addition/Removal of Certificates +-------------------------------- + +Certifi does not support any addition/removal or other modification of the +CA trust store content. This project is intended to provide a reliable and +highly portable root of trust to python deployments. Look to upstream projects +for methods to use alternate trust. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/RECORD new file mode 100644 index 0000000..cadc251 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/RECORD @@ -0,0 +1,14 @@ +certifi-2021.5.30.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +certifi-2021.5.30.dist-info/LICENSE,sha256=vp2C82ES-Hp_HXTs1Ih-FGe7roh4qEAEoAEXseR1o-I,1049 +certifi-2021.5.30.dist-info/METADATA,sha256=RDzuah_IZxjVhKootR1Ha1BrDovPSA-xF-rcaD90PTo,2994 +certifi-2021.5.30.dist-info/RECORD,, +certifi-2021.5.30.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +certifi-2021.5.30.dist-info/WHEEL,sha256=ADKeyaGyKF5DwBNE0sRE5pvW-bSkFMJfBuhzZ3rceP4,110 +certifi-2021.5.30.dist-info/top_level.txt,sha256=KMu4vUCfsjLrkPbSNdgdekS-pVJzBAJFO__nI8NF6-U,8 +certifi/__init__.py,sha256=-b78tXibbl0qtgCzv9tc9v6ozwcNX915lT9Tf4a9lds,62 +certifi/__main__.py,sha256=xBBoj905TUWBLRGANOcf7oi6e-3dMP4cEoG9OyMs11g,243 +certifi/__pycache__/__init__.cpython-39.pyc,, +certifi/__pycache__/__main__.cpython-39.pyc,, +certifi/__pycache__/core.cpython-39.pyc,, +certifi/cacert.pem,sha256=3i-hfE2K5o3CBKG2tYt6ehJWk2fP64o6Th83fHPoPp4,259465 +certifi/core.py,sha256=V0uyxKOYdz6ulDSusclrLmjbPgOXsD0BnEf0SQ7OnoE,2303 diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/WHEEL new file mode 100644 index 0000000..6d38aa0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/top_level.txt new file mode 100644 index 0000000..963eac5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi-2021.5.30.dist-info/top_level.txt @@ -0,0 +1 @@ +certifi diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi/__init__.py b/backend/mb-env/lib/python3.9/site-packages/certifi/__init__.py new file mode 100644 index 0000000..eebdf88 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi/__init__.py @@ -0,0 +1,3 @@ +from .core import contents, where + +__version__ = "2021.05.30" diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi/__main__.py b/backend/mb-env/lib/python3.9/site-packages/certifi/__main__.py new file mode 100644 index 0000000..8945b5d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi/__main__.py @@ -0,0 +1,12 @@ +import argparse + +from certifi import contents, where + +parser = argparse.ArgumentParser() +parser.add_argument("-c", "--contents", action="store_true") +args = parser.parse_args() + +if args.contents: + print(contents()) +else: + print(where()) diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi/cacert.pem b/backend/mb-env/lib/python3.9/site-packages/certifi/cacert.pem new file mode 100644 index 0000000..96e2fc6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi/cacert.pem @@ -0,0 +1,4257 @@ + +# Issuer: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Subject: CN=GlobalSign Root CA O=GlobalSign nv-sa OU=Root CA +# Label: "GlobalSign Root CA" +# Serial: 4835703278459707669005204 +# MD5 Fingerprint: 3e:45:52:15:09:51:92:e1:b7:5d:37:9f:b1:87:29:8a +# SHA1 Fingerprint: b1:bc:96:8b:d4:f4:9d:62:2a:a8:9a:81:f2:15:01:52:a4:1d:82:9c +# SHA256 Fingerprint: eb:d4:10:40:e4:bb:3e:c7:42:c9:e3:81:d3:1e:f2:a4:1a:48:b6:68:5c:96:e7:ce:f3:c1:df:6c:d4:33:1c:99 +-----BEGIN CERTIFICATE----- +MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkG +A1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jv +b3QgQ0ExGzAZBgNVBAMTEkdsb2JhbFNpZ24gUm9vdCBDQTAeFw05ODA5MDExMjAw +MDBaFw0yODAxMjgxMjAwMDBaMFcxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9i +YWxTaWduIG52LXNhMRAwDgYDVQQLEwdSb290IENBMRswGQYDVQQDExJHbG9iYWxT +aWduIFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDaDuaZ +jc6j40+Kfvvxi4Mla+pIH/EqsLmVEQS98GPR4mdmzxzdzxtIK+6NiY6arymAZavp +xy0Sy6scTHAHoT0KMM0VjU/43dSMUBUc71DuxC73/OlS8pF94G3VNTCOXkNz8kHp +1Wrjsok6Vjk4bwY8iGlbKk3Fp1S4bInMm/k8yuX9ifUSPJJ4ltbcdG6TRGHRjcdG +snUOhugZitVtbNV4FpWi6cgKOOvyJBNPc1STE4U6G7weNLWLBYy5d4ux2x8gkasJ +U26Qzns3dLlwR5EiUWMWea6xrkEmCMgZK9FGqkjWZCrXgzT/LCrBbBlDSgeF59N8 +9iFo7+ryUp9/k5DPAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8E 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(limits liab.)/(c) 1999 Entrust.net Limited +# Subject: CN=Entrust.net Certification Authority (2048) O=Entrust.net OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)/(c) 1999 Entrust.net Limited +# Label: "Entrust.net Premium 2048 Secure Server CA" +# Serial: 946069240 +# MD5 Fingerprint: ee:29:31:bc:32:7e:9a:e6:e8:b5:f7:51:b4:34:71:90 +# SHA1 Fingerprint: 50:30:06:09:1d:97:d4:f5:ae:39:f7:cb:e7:92:7d:7d:65:2d:34:31 +# SHA256 Fingerprint: 6d:c4:71:72:e0:1c:bc:b0:bf:62:58:0d:89:5f:e2:b8:ac:9a:d4:f8:73:80:1e:0c:10:b9:c8:37:d2:1e:b1:77 +-----BEGIN CERTIFICATE----- +MIIEKjCCAxKgAwIBAgIEOGPe+DANBgkqhkiG9w0BAQUFADCBtDEUMBIGA1UEChML +RW50cnVzdC5uZXQxQDA+BgNVBAsUN3d3dy5lbnRydXN0Lm5ldC9DUFNfMjA0OCBp +bmNvcnAuIGJ5IHJlZi4gKGxpbWl0cyBsaWFiLikxJTAjBgNVBAsTHChjKSAxOTk5 +IEVudHJ1c3QubmV0IExpbWl0ZWQxMzAxBgNVBAMTKkVudHJ1c3QubmV0IENlcnRp +ZmljYXRpb24gQXV0aG9yaXR5ICgyMDQ4KTAeFw05OTEyMjQxNzUwNTFaFw0yOTA3 +MjQxNDE1MTJaMIG0MRQwEgYDVQQKEwtFbnRydXN0Lm5ldDFAMD4GA1UECxQ3d3d3 +LmVudHJ1c3QubmV0L0NQU18yMDQ4IGluY29ycC4gYnkgcmVmLiAobGltaXRzIGxp +YWIuKTElMCMGA1UECxMcKGMpIDE5OTkgRW50cnVzdC5uZXQgTGltaXRlZDEzMDEG +A1UEAxMqRW50cnVzdC5uZXQgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkgKDIwNDgp +MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArU1LqRKGsuqjIAcVFmQq +K0vRvwtKTY7tgHalZ7d4QMBzQshowNtTK91euHaYNZOLGp18EzoOH1u3Hs/lJBQe +sYGpjX24zGtLA/ECDNyrpUAkAH90lKGdCCmziAv1h3edVc3kw37XamSrhRSGlVuX +MlBvPci6Zgzj/L24ScF2iUkZ/cCovYmjZy/Gn7xxGWC4LeksyZB2ZnuU4q941mVT +XTzWnLLPKQP5L6RQstRIzgUyVYr9smRMDuSYB3Xbf9+5CFVghTAp+XtIpGmG4zU/ +HoZdenoVve8AjhUiVBcAkCaTvA5JaJG/+EfTnZVCwQ5N328mz8MYIWJmQ3DW1cAH +4QIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAdBgNV +HQ4EFgQUVeSB0RGAvtiJuQijMfmhJAkWuXAwDQYJKoZIhvcNAQEFBQADggEBADub +j1abMOdTmXx6eadNl9cZlZD7Bh/KM3xGY4+WZiT6QBshJ8rmcnPyT/4xmf3IDExo +U8aAghOY+rat2l098c5u9hURlIIM7j+VrxGrD9cv3h8Dj1csHsm7mhpElesYT6Yf +zX1XEC+bBAlahLVu2B064dae0Wx5XnkcFMXj0EyTO2U87d89vqbllRrDtRnDvV5b +u/8j72gZyxKTJ1wDLW8w0B62GqzeWvfRqqgnpv55gcR5mTNXuhKwqeBCbJPKVt7+ +bYQLCIt+jerXmCHG8+c8eS9enNFMFY3h7CI3zJpDC5fcgJCNs2ebb0gIFVbPv/Er +fF6adulZkMV8gzURZVE= +-----END CERTIFICATE----- + +# Issuer: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Subject: CN=Baltimore CyberTrust Root O=Baltimore OU=CyberTrust +# Label: "Baltimore CyberTrust Root" +# Serial: 33554617 +# MD5 Fingerprint: ac:b6:94:a5:9c:17:e0:d7:91:52:9b:b1:97:06:a6:e4 +# SHA1 Fingerprint: d4:de:20:d0:5e:66:fc:53:fe:1a:50:88:2c:78:db:28:52:ca:e4:74 +# SHA256 Fingerprint: 16:af:57:a9:f6:76:b0:ab:12:60:95:aa:5e:ba:de:f2:2a:b3:11:19:d6:44:ac:95:cd:4b:93:db:f3:f2:6a:eb +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ +RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD +VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX +DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y +ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy +VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr +mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr +IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK +mpYcqWe4PwzV9/lSEy/CG9VwcPCPwBLKBsua4dnKM3p31vjsufFoREJIE9LAwqSu +XmD+tqYF/LTdB1kC1FkYmGP1pWPgkAx9XbIGevOF6uvUA65ehD5f/xXtabz5OTZy +dc93Uk3zyZAsuT3lySNTPx8kmCFcB5kpvcY67Oduhjprl3RjM71oGDHweI12v/ye +jl0qhqdNkNwnGjkCAwEAAaNFMEMwHQYDVR0OBBYEFOWdWTCCR1jMrPoIVDaGezq1 +BE3wMBIGA1UdEwEB/wQIMAYBAf8CAQMwDgYDVR0PAQH/BAQDAgEGMA0GCSqGSIb3 +DQEBBQUAA4IBAQCFDF2O5G9RaEIFoN27TyclhAO992T9Ldcw46QQF+vaKSm2eT92 +9hkTI7gQCvlYpNRhcL0EYWoSihfVCr3FvDB81ukMJY2GQE/szKN+OMY3EU/t3Wgx +jkzSswF07r51XgdIGn9w/xZchMB5hbgF/X++ZRGjD8ACtPhSNzkE1akxehi/oCr0 +Epn3o0WC4zxe9Z2etciefC7IpJ5OCBRLbf1wbWsaY71k5h+3zvDyny67G7fyUIhz +ksLi4xaNmjICq44Y3ekQEe5+NauQrz4wlHrQMz2nZQ/1/I6eYs9HRCwBXbsdtTLS +R9I4LtD+gdwyah617jzV/OeBHRnDJELqYzmp +-----END CERTIFICATE----- + +# Issuer: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Subject: CN=Entrust Root Certification Authority O=Entrust, Inc. OU=www.entrust.net/CPS is incorporated by reference/(c) 2006 Entrust, Inc. +# Label: "Entrust Root Certification Authority" +# Serial: 1164660820 +# MD5 Fingerprint: d6:a5:c3:ed:5d:dd:3e:00:c1:3d:87:92:1f:1d:3f:e4 +# SHA1 Fingerprint: b3:1e:b1:b7:40:e3:6c:84:02:da:dc:37:d4:4d:f5:d4:67:49:52:f9 +# SHA256 Fingerprint: 73:c1:76:43:4f:1b:c6:d5:ad:f4:5b:0e:76:e7:27:28:7c:8d:e5:76:16:c1:e6:e6:14:1a:2b:2c:bc:7d:8e:4c +-----BEGIN CERTIFICATE----- +MIIEkTCCA3mgAwIBAgIERWtQVDANBgkqhkiG9w0BAQUFADCBsDELMAkGA1UEBhMC +VVMxFjAUBgNVBAoTDUVudHJ1c3QsIEluYy4xOTA3BgNVBAsTMHd3dy5lbnRydXN0 +Lm5ldC9DUFMgaXMgaW5jb3Jwb3JhdGVkIGJ5IHJlZmVyZW5jZTEfMB0GA1UECxMW +KGMpIDIwMDYgRW50cnVzdCwgSW5jLjEtMCsGA1UEAxMkRW50cnVzdCBSb290IENl +cnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA2MTEyNzIwMjM0MloXDTI2MTEyNzIw +NTM0MlowgbAxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMTkw +NwYDVQQLEzB3d3cuZW50cnVzdC5uZXQvQ1BTIGlzIGluY29ycG9yYXRlZCBieSBy +ZWZlcmVuY2UxHzAdBgNVBAsTFihjKSAyMDA2IEVudHJ1c3QsIEluYy4xLTArBgNV 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OU=Go Daddy Class 2 Certification Authority +# Subject: O=The Go Daddy Group, Inc. OU=Go Daddy Class 2 Certification Authority +# Label: "Go Daddy Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 91:de:06:25:ab:da:fd:32:17:0c:bb:25:17:2a:84:67 +# SHA1 Fingerprint: 27:96:ba:e6:3f:18:01:e2:77:26:1b:a0:d7:77:70:02:8f:20:ee:e4 +# SHA256 Fingerprint: c3:84:6b:f2:4b:9e:93:ca:64:27:4c:0e:c6:7c:1e:cc:5e:02:4f:fc:ac:d2:d7:40:19:35:0e:81:fe:54:6a:e4 +-----BEGIN CERTIFICATE----- +MIIEADCCAuigAwIBAgIBADANBgkqhkiG9w0BAQUFADBjMQswCQYDVQQGEwJVUzEh +MB8GA1UEChMYVGhlIEdvIERhZGR5IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBE +YWRkeSBDbGFzcyAyIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTA0MDYyOTE3 +MDYyMFoXDTM0MDYyOTE3MDYyMFowYzELMAkGA1UEBhMCVVMxITAfBgNVBAoTGFRo +ZSBHbyBEYWRkeSBHcm91cCwgSW5jLjExMC8GA1UECxMoR28gRGFkZHkgQ2xhc3Mg +MiBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTCCASAwDQYJKoZIhvcNAQEBBQADggEN +ADCCAQgCggEBAN6d1+pXGEmhW+vXX0iG6r7d/+TvZxz0ZWizV3GgXne77ZtJ6XCA +PVYYYwhv2vLM0D9/AlQiVBDYsoHUwHU9S3/Hd8M+eKsaA7Ugay9qK7HFiH7Eux6w +wdhFJ2+qN1j3hybX2C32qRe3H3I2TqYXP2WYktsqbl2i/ojgC95/5Y0V4evLOtXi +EqITLdiOr18SPaAIBQi2XKVlOARFmR6jYGB0xUGlcmIbYsUfb18aQr4CUWWoriMY +avx4A6lNf4DD+qta/KFApMoZFv6yyO9ecw3ud72a9nmYvLEHZ6IVDd2gWMZEewo+ +YihfukEHU1jPEX44dMX4/7VpkI+EdOqXG68CAQOjgcAwgb0wHQYDVR0OBBYEFNLE +sNKR1EwRcbNhyz2h/t2oatTjMIGNBgNVHSMEgYUwgYKAFNLEsNKR1EwRcbNhyz2h +/t2oatTjoWekZTBjMQswCQYDVQQGEwJVUzEhMB8GA1UEChMYVGhlIEdvIERhZGR5 +IEdyb3VwLCBJbmMuMTEwLwYDVQQLEyhHbyBEYWRkeSBDbGFzcyAyIENlcnRpZmlj +YXRpb24gQXV0aG9yaXR5ggEAMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQAD +ggEBADJL87LKPpH8EsahB4yOd6AzBhRckB4Y9wimPQoZ+YeAEW5p5JYXMP80kWNy +OO7MHAGjHZQopDH2esRU1/blMVgDoszOYtuURXO1v0XJJLXVggKtI3lpjbi2Tc7P +TMozI+gciKqdi0FuFskg5YmezTvacPd+mSYgFFQlq25zheabIZ0KbIIOqPjCDPoQ +HmyW74cNxA9hi63ugyuV+I6ShHI56yDqg+2DzZduCLzrTia2cyvk0/ZM/iZx4mER +dEr/VxqHD3VILs9RaRegAhJhldXRQLIQTO7ErBBDpqWeCtWVYpoNz4iCxTIM5Cuf +ReYNnyicsbkqWletNw+vHX/bvZ8= +-----END CERTIFICATE----- + +# Issuer: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Subject: O=Starfield Technologies, Inc. OU=Starfield Class 2 Certification Authority +# Label: "Starfield Class 2 CA" +# Serial: 0 +# MD5 Fingerprint: 32:4a:4b:bb:c8:63:69:9b:be:74:9a:c6:dd:1d:46:24 +# SHA1 Fingerprint: ad:7e:1c:28:b0:64:ef:8f:60:03:40:20:14:c3:d0:e3:37:0e:b5:8a +# SHA256 Fingerprint: 14:65:fa:20:53:97:b8:76:fa:a6:f0:a9:95:8e:55:90:e4:0f:cc:7f:aa:4f:b7:c2:c8:67:75:21:fb:5f:b6:58 +-----BEGIN CERTIFICATE----- +MIIEDzCCAvegAwIBAgIBADANBgkqhkiG9w0BAQUFADBoMQswCQYDVQQGEwJVUzEl +MCMGA1UEChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMp +U3RhcmZpZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDQw +NjI5MTczOTE2WhcNMzQwNjI5MTczOTE2WjBoMQswCQYDVQQGEwJVUzElMCMGA1UE +ChMcU3RhcmZpZWxkIFRlY2hub2xvZ2llcywgSW5jLjEyMDAGA1UECxMpU3RhcmZp +ZWxkIENsYXNzIDIgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwggEgMA0GCSqGSIb3 +DQEBAQUAA4IBDQAwggEIAoIBAQC3Msj+6XGmBIWtDBFk385N78gDGIc/oav7PKaf +8MOh2tTYbitTkPskpD6E8J7oX+zlJ0T1KKY/e97gKvDIr1MvnsoFAZMej2YcOadN ++lq2cwQlZut3f+dZxkqZJRRU6ybH838Z1TBwj6+wRir/resp7defqgSHo9T5iaU0 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root CA" +# Serial: 17154717934120587862167794914071425081 +# MD5 Fingerprint: 87:ce:0b:7b:2a:0e:49:00:e1:58:71:9b:37:a8:93:72 +# SHA1 Fingerprint: 05:63:b8:63:0d:62:d7:5a:bb:c8:ab:1e:4b:df:b5:a8:99:b2:4d:43 +# SHA256 Fingerprint: 3e:90:99:b5:01:5e:8f:48:6c:00:bc:ea:9d:11:1e:e7:21:fa:ba:35:5a:89:bc:f1:df:69:56:1e:3d:c6:32:5c +-----BEGIN CERTIFICATE----- +MIIDtzCCAp+gAwIBAgIQDOfg5RfYRv6P5WD8G/AwOTANBgkqhkiG9w0BAQUFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgQ0EwHhcNMDYxMTEwMDAwMDAwWhcNMzExMTEwMDAwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgQ0EwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCtDhXO5EOAXLGH87dg+XESpa7c +JpSIqvTO9SA5KFhgDPiA2qkVlTJhPLWxKISKityfCgyDF3qPkKyK53lTXDGEKvYP 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+# Serial: 10944719598952040374951832963794454346 +# MD5 Fingerprint: 79:e4:a9:84:0d:7d:3a:96:d7:c0:4f:e2:43:4c:89:2e +# SHA1 Fingerprint: a8:98:5d:3a:65:e5:e5:c4:b2:d7:d6:6d:40:c6:dd:2f:b1:9c:54:36 +# SHA256 Fingerprint: 43:48:a0:e9:44:4c:78:cb:26:5e:05:8d:5e:89:44:b4:d8:4f:96:62:bd:26:db:25:7f:89:34:a4:43:c7:01:61 +-----BEGIN CERTIFICATE----- +MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBD +QTAeFw0wNjExMTAwMDAwMDBaFw0zMTExMTAwMDAwMDBaMGExCzAJBgNVBAYTAlVT +MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5j +b20xIDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IENBMIIBIjANBgkqhkiG +9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jvhEXLeqKTTo1eqUKKPC3eQyaKl7hLOllsB +CSDMAZOnTjC3U/dDxGkAV53ijSLdhwZAAIEJzs4bg7/fzTtxRuLWZscFs3YnFo97 +nh6Vfe63SKMI2tavegw5BmV/Sl0fvBf4q77uKNd0f3p4mVmFaG5cIzJLv07A6Fpt 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3553400076410547919724730734378100087 +# MD5 Fingerprint: d4:74:de:57:5c:39:b2:d3:9c:85:83:c5:c0:65:49:8a +# SHA1 Fingerprint: 5f:b7:ee:06:33:e2:59:db:ad:0c:4c:9a:e6:d3:8f:1a:61:c7:dc:25 +# SHA256 Fingerprint: 74:31:e5:f4:c3:c1:ce:46:90:77:4f:0b:61:e0:54:40:88:3b:a9:a0:1e:d0:0b:a6:ab:d7:80:6e:d3:b1:18:cf +-----BEGIN CERTIFICATE----- +MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j +ZSBFViBSb290IENBMB4XDTA2MTExMDAwMDAwMFoXDTMxMTExMDAwMDAwMFowbDEL +MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3 +LmRpZ2ljZXJ0LmNvbTErMCkGA1UEAxMiRGlnaUNlcnQgSGlnaCBBc3N1cmFuY2Ug +RVYgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMbM5XPm ++9S75S0tMqbf5YE/yc0lSbZxKsPVlDRnogocsF9ppkCxxLeyj9CYpKlBWTrT3JTW +PNt0OKRKzE0lgvdKpVMSOO7zSW1xkX5jtqumX8OkhPhPYlG++MXs2ziS4wblCJEM +xChBVfvLWokVfnHoNb9Ncgk9vjo4UFt3MRuNs8ckRZqnrG0AFFoEt7oT61EKmEFB 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da:c9:02:4f:54:d8:f6:df:94:93:5f:b1:73:26:38:ca:6a:d7:7c:13 +# SHA256 Fingerprint: 06:87:26:03:31:a7:24:03:d9:09:f1:05:e6:9b:cf:0d:32:e1:bd:24:93:ff:c6:d9:20:6d:11:bc:d6:77:07:39 +-----BEGIN CERTIFICATE----- +MIIDSjCCAjKgAwIBAgIQRK+wgNajJ7qJMDmGLvhAazANBgkqhkiG9w0BAQUFADA/ +MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT +DkRTVCBSb290IENBIFgzMB4XDTAwMDkzMDIxMTIxOVoXDTIxMDkzMDE0MDExNVow +PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD +Ew5EU1QgUm9vdCBDQSBYMzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB +AN+v6ZdQCINXtMxiZfaQguzH0yxrMMpb7NnDfcdAwRgUi+DoM3ZJKuM/IUmTrE4O +rz5Iy2Xu/NMhD2XSKtkyj4zl93ewEnu1lcCJo6m67XMuegwGMoOifooUMM0RoOEq +OLl5CjH9UL2AZd+3UWODyOKIYepLYYHsUmu5ouJLGiifSKOeDNoJjj4XLh7dIN9b +xiqKqy69cK3FCxolkHRyxXtqqzTWMIn/5WgTe1QLyNau7Fqckh49ZLOMxt+/yUFw +7BZy1SbsOFU5Q9D8/RhcQPGX69Wam40dutolucbY38EVAjqr2m7xPi71XAicPNaD +aeQQmxkqtilX4+U9m5/wAl0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNV +HQ8BAf8EBAMCAQYwHQYDVR0OBBYEFMSnsaR7LHH62+FLkHX/xBVghYkQMA0GCSqG 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Issuer: CN=SwissSign Silver CA - G2 O=SwissSign AG +# Subject: CN=SwissSign Silver CA - G2 O=SwissSign AG +# Label: "SwissSign Silver CA - G2" +# Serial: 5700383053117599563 +# MD5 Fingerprint: e0:06:a1:c9:7d:cf:c9:fc:0d:c0:56:75:96:d8:62:13 +# SHA1 Fingerprint: 9b:aa:e5:9f:56:ee:21:cb:43:5a:be:25:93:df:a7:f0:40:d1:1d:cb +# SHA256 Fingerprint: be:6c:4d:a2:bb:b9:ba:59:b6:f3:93:97:68:37:42:46:c3:c0:05:99:3f:a9:8f:02:0d:1d:ed:be:d4:8a:81:d5 +-----BEGIN CERTIFICATE----- +MIIFvTCCA6WgAwIBAgIITxvUL1S7L0swDQYJKoZIhvcNAQEFBQAwRzELMAkGA1UE +BhMCQ0gxFTATBgNVBAoTDFN3aXNzU2lnbiBBRzEhMB8GA1UEAxMYU3dpc3NTaWdu +IFNpbHZlciBDQSAtIEcyMB4XDTA2MTAyNTA4MzI0NloXDTM2MTAyNTA4MzI0Nlow +RzELMAkGA1UEBhMCQ0gxFTATBgNVBAoTDFN3aXNzU2lnbiBBRzEhMB8GA1UEAxMY +U3dpc3NTaWduIFNpbHZlciBDQSAtIEcyMIICIjANBgkqhkiG9w0BAQEFAAOCAg8A +MIICCgKCAgEAxPGHf9N4Mfc4yfjDmUO8x/e8N+dOcbpLj6VzHVxumK4DV644N0Mv +Fz0fyM5oEMF4rhkDKxD6LHmD9ui5aLlV8gREpzn5/ASLHvGiTSf5YXu6t+WiE7br +YT7QbNHm+/pe7R20nqA1W6GSy/BJkv6FCgU+5tkL4k+73JU3/JHpMjUi0R86TieF 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+-----BEGIN CERTIFICATE----- +MIIDuDCCAqCgAwIBAgIQDPCOXAgWpa1Cf/DrJxhZ0DANBgkqhkiG9w0BAQUFADBI +MQswCQYDVQQGEwJVUzEgMB4GA1UEChMXU2VjdXJlVHJ1c3QgQ29ycG9yYXRpb24x +FzAVBgNVBAMTDlNlY3VyZVRydXN0IENBMB4XDTA2MTEwNzE5MzExOFoXDTI5MTIz +MTE5NDA1NVowSDELMAkGA1UEBhMCVVMxIDAeBgNVBAoTF1NlY3VyZVRydXN0IENv +cnBvcmF0aW9uMRcwFQYDVQQDEw5TZWN1cmVUcnVzdCBDQTCCASIwDQYJKoZIhvcN +AQEBBQADggEPADCCAQoCggEBAKukgeWVzfX2FI7CT8rU4niVWJxB4Q2ZQCQXOZEz +Zum+4YOvYlyJ0fwkW2Gz4BERQRwdbvC4u/jep4G6pkjGnx29vo6pQT64lO0pGtSO +0gMdA+9tDWccV9cGrcrI9f4Or2YlSASWC12juhbDCE/RRvgUXPLIXgGZbf2IzIao +wW8xQmxSPmjL8xk037uHGFaAJsTQ3MBv396gwpEWoGQRS0S8Hvbn+mPeZqx2pHGj +7DaUaHp3pLHnDi+BeuK1cobvomuL8A/b01k/unK8RCSc43Oz969XL0Imnal0ugBS +8kvNU3xHCzaFDmapCJcWNFfBZveA4+1wVMeT4C4oFVmHursCAwEAAaOBnTCBmjAT +BgkrBgEEAYI3FAIEBh4EAEMAQTALBgNVHQ8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB +/zAdBgNVHQ4EFgQUQjK2FvoE/f5dS3rD/fdMQB1aQ68wNAYDVR0fBC0wKzApoCeg +JYYjaHR0cDovL2NybC5zZWN1cmV0cnVzdC5jb20vU1RDQS5jcmwwEAYJKwYBBAGC 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SHA256 Fingerprint: 96:0a:df:00:63:e9:63:56:75:0c:29:65:dd:0a:08:67:da:0b:9c:bd:6e:77:71:4a:ea:fb:23:49:ab:39:3d:a3 +-----BEGIN CERTIFICATE----- +MIIDoTCCAomgAwIBAgILBAAAAAABD4WqLUgwDQYJKoZIhvcNAQEFBQAwOzEYMBYG +A1UEChMPQ3liZXJ0cnVzdCwgSW5jMR8wHQYDVQQDExZDeWJlcnRydXN0IEdsb2Jh +bCBSb290MB4XDTA2MTIxNTA4MDAwMFoXDTIxMTIxNTA4MDAwMFowOzEYMBYGA1UE +ChMPQ3liZXJ0cnVzdCwgSW5jMR8wHQYDVQQDExZDeWJlcnRydXN0IEdsb2JhbCBS +b290MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+Mi8vRRQZhP/8NN5 +7CPytxrHjoXxEnOmGaoQ25yiZXRadz5RfVb23CO21O1fWLE3TdVJDm71aofW0ozS +J8bi/zafmGWgE07GKmSb1ZASzxQG9Dvj1Ci+6A74q05IlG2OlTEQXO2iLb3VOm2y +HLtgwEZLAfVJrn5GitB0jaEMAs7u/OePuGtm839EAL9mJRQr3RAwHQeWP032a7iP +t3sMpTjr3kfb1V05/Iin89cqdPHoWqI7n1C6poxFNcJQZZXcY4Lv3b93TZxiyWNz +FtApD0mpSPCzqrdsxacwOUBdrsTiXSZT8M4cIwhhqJQZugRiQOwfOHB3EgZxpzAY +XSUnpQIDAQABo4GlMIGiMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/ +MB0GA1UdDgQWBBS2CHsNesysIEyGVjJez6tuhS1wVzA/BgNVHR8EODA2MDSgMqAw 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OU=ePKI Root Certification Authority +# Subject: O=Chunghwa Telecom Co., Ltd. OU=ePKI Root Certification Authority +# Label: "ePKI Root Certification Authority" +# Serial: 28956088682735189655030529057352760477 +# MD5 Fingerprint: 1b:2e:00:ca:26:06:90:3d:ad:fe:6f:15:68:d3:6b:b3 +# SHA1 Fingerprint: 67:65:0d:f1:7e:8e:7e:5b:82:40:a4:f4:56:4b:cf:e2:3d:69:c6:f0 +# SHA256 Fingerprint: c0:a6:f4:dc:63:a2:4b:fd:cf:54:ef:2a:6a:08:2a:0a:72:de:35:80:3e:2f:f5:ff:52:7a:e5:d8:72:06:df:d5 +-----BEGIN CERTIFICATE----- +MIIFsDCCA5igAwIBAgIQFci9ZUdcr7iXAF7kBtK8nTANBgkqhkiG9w0BAQUFADBe +MQswCQYDVQQGEwJUVzEjMCEGA1UECgwaQ2h1bmdod2EgVGVsZWNvbSBDby4sIEx0 +ZC4xKjAoBgNVBAsMIWVQS0kgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAe +Fw0wNDEyMjAwMjMxMjdaFw0zNDEyMjAwMjMxMjdaMF4xCzAJBgNVBAYTAlRXMSMw +IQYDVQQKDBpDaHVuZ2h3YSBUZWxlY29tIENvLiwgTHRkLjEqMCgGA1UECwwhZVBL +SSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5MIICIjANBgkqhkiG9w0BAQEF +AAOCAg8AMIICCgKCAgEA4SUP7o3biDN1Z82tH306Tm2d0y8U82N0ywEhajfqhFAH +SyZbCUNsIZ5qyNUD9WBpj8zwIuQf5/dqIjG3LBXy4P4AakP/h2XGtRrBp0xtInAh +ijHyl3SJCRImHJ7K2RKilTza6We/CKBk49ZCt0Xvl/T29de1ShUCWH2YWEtgvM3X +DZoTM1PRYfl61dd4s5oz9wCGzh1NlDivqOx4UXCKXBCDUSH3ET00hl7lSM2XgYI1 +TBnsZfZrxQWh7kcT1rMhJ5QQCtkkO7q+RBNGMD+XPNjX12ruOzjjK9SXDrkb5wdJ +fzcq+Xd4z1TtW0ado4AOkUPB1ltfFLqfpo0kR0BZv3I4sjZsN/+Z0V0OWQqraffA +sgRFelQArr5T9rXn4fg8ozHSqf4hUmTFpmfwdQcGlBSBVcYn5AGPF8Fqcde+S/uU +WH1+ETOxQvdibBjWzwloPn9s9h6PYq2lY9sJpx8iQkEeb5mKPtf5P0B6ebClAZLS +nT0IFaUQAS2zMnaolQ2zepr7BxB4EW/hj8e6DyUadCrlHJhBmd8hh+iVBmoKs2pH +dmX2Os+PYhcZewoozRrSgx4hxyy/vv9haLdnG7t4TY3OZ+XkwY63I2binZB1NJip +NiuKmpS5nezMirH4JYlcWrYvjB9teSSnUmjDhDXiZo1jDiVN1Rmy5nk3pyKdVDEC +AwEAAaNqMGgwHQYDVR0OBBYEFB4M97Zn8uGSJglFwFU5Lnc/QkqiMAwGA1UdEwQF +MAMBAf8wOQYEZyoHAAQxMC8wLQIBADAJBgUrDgMCGgUAMAcGBWcqAwAABBRFsMLH +ClZ87lt4DJX5GFPBphzYEDANBgkqhkiG9w0BAQUFAAOCAgEACbODU1kBPpVJufGB +uvl2ICO1J2B01GqZNF5sAFPZn/KmsSQHRGoqxqWOeBLoR9lYGxMqXnmbnwoqZ6Yl +PwZpVnPDimZI+ymBV3QGypzqKOg4ZyYr8dW1P2WT+DZdjo2NQCCHGervJ8A9tDkP +JXtoUHRVnAxZfVo9QZQlUgjgRywVMRnVvwdVxrsStZf0X4OFunHB2WyBEXYKCrC/ +gpf36j36+uwtqSiUO1bd0lEursC9CBWMd1I0ltabrNMdjmEPNXubrjlpC2JgQCA2 +j6/7Nu4tCEoduL+bXPjqpRugc6bY+G7gMwRfaKonh+3ZwZCc7b3jajWvY9+rGNm6 +5ulK6lCKD2GTHuItGeIwlDWSXQ62B68ZgI9HkFFLLk3dheLSClIKF5r8GrBQAuUB +o2M3IUxExJtRmREOc5wGj1QupyheRDmHVi03vYVElOEMSyycw5KFNGHLD7ibSkNS +/jQ6fbjpKdx2qcgw+BRxgMYeNkh0IkFch4LoGHGLQYlE535YW6i4jRPpp2zDR+2z +Gp1iro2C6pSe3VkQw63d4k3jMdXH7OjysP6SHhYKGvzZ8/gntsm+HbRsZJB/9OTE +W9c3rkIO3aQab3yIVMUWbuF6aC74Or8NpDyJO3inTmODBCEIZ43ygknQW/2xzQ+D +hNQ+IIX3Sj0rnP0qCglN6oH4EZw= +-----END CERTIFICATE----- + +# Issuer: O=certSIGN OU=certSIGN ROOT CA +# Subject: O=certSIGN OU=certSIGN ROOT CA +# Label: "certSIGN ROOT CA" +# Serial: 35210227249154 +# MD5 Fingerprint: 18:98:c0:d6:e9:3a:fc:f9:b0:f5:0c:f7:4b:01:44:17 +# SHA1 Fingerprint: fa:b7:ee:36:97:26:62:fb:2d:b0:2a:f6:bf:03:fd:e8:7c:4b:2f:9b +# SHA256 Fingerprint: ea:a9:62:c4:fa:4a:6b:af:eb:e4:15:19:6d:35:1c:cd:88:8d:4f:53:f3:fa:8a:e6:d7:c4:66:a9:4e:60:42:bb +-----BEGIN CERTIFICATE----- +MIIDODCCAiCgAwIBAgIGIAYFFnACMA0GCSqGSIb3DQEBBQUAMDsxCzAJBgNVBAYT +AlJPMREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBD +QTAeFw0wNjA3MDQxNzIwMDRaFw0zMTA3MDQxNzIwMDRaMDsxCzAJBgNVBAYTAlJP +MREwDwYDVQQKEwhjZXJ0U0lHTjEZMBcGA1UECxMQY2VydFNJR04gUk9PVCBDQTCC +ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALczuX7IJUqOtdu0KBuqV5Do +0SLTZLrTk+jUrIZhQGpgV2hUhE28alQCBf/fm5oqrl0Hj0rDKH/v+yv6efHHrfAQ +UySQi2bJqIirr1qjAOm+ukbuW3N7LBeCgV5iLKECZbO9xSsAfsT8AzNXDe3i+s5d +RdY4zTW2ssHQnIFKquSyAVwdj1+ZxLGt24gh65AIgoDzMKND5pCCrlUoSe1b16kQ +OA7+j0xbm0bqQfWwCHTD0IgztnzXdN/chNFDDnU5oSVAKOp4yw4sLjmdjItuFhwv +JoIQ4uNllAoEwF73XVv4EOLQunpL+943AAAaWyjj0pxzPjKHmKHJUS/X3qwzs08C +AwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAcYwHQYDVR0O +BBYEFOCMm9slSbPxfIbWskKHC9BroNnkMA0GCSqGSIb3DQEBBQUAA4IBAQA+0hyJ +LjX8+HXd5n9liPRyTMks1zJO890ZeUe9jjtbkw9QSSQTaxQGcu8J06Gh40CEyecY +MnQ8SG4Pn0vU9x7Tk4ZkVJdjclDVVc/6IJMCopvDI5NOFlV2oHB5bc0hH88vLbwZ +44gx+FkagQnIl6Z0x2DEW8xXjrJ1/RsCCdtZb3KTafcxQdaIOL+Hsr0Wefmq5L6I +Jd1hJyMctTEHBDa0GpC9oHRxUIltvBTjD4au8as+x6AJzKNI0eDbZOeStc+vckNw +i/nDhDwTqn6Sm1dTk/pwwpEOMfmbZ13pljheX7NzTogVZ96edhBiIL5VaZVDADlN +9u6wWk5JRFRYX0KD +-----END CERTIFICATE----- + +# Issuer: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Subject: CN=NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny O=NetLock Kft. OU=Tan\xfas\xedtv\xe1nykiad\xf3k (Certification Services) +# Label: "NetLock Arany (Class Gold) F\u0151tan\xfas\xedtv\xe1ny" +# Serial: 80544274841616 +# MD5 Fingerprint: c5:a1:b7:ff:73:dd:d6:d7:34:32:18:df:fc:3c:ad:88 +# SHA1 Fingerprint: 06:08:3f:59:3f:15:a1:04:a0:69:a4:6b:a9:03:d0:06:b7:97:09:91 +# SHA256 Fingerprint: 6c:61:da:c3:a2:de:f0:31:50:6b:e0:36:d2:a6:fe:40:19:94:fb:d1:3d:f9:c8:d4:66:59:92:74:c4:46:ec:98 +-----BEGIN CERTIFICATE----- +MIIEFTCCAv2gAwIBAgIGSUEs5AAQMA0GCSqGSIb3DQEBCwUAMIGnMQswCQYDVQQG +EwJIVTERMA8GA1UEBwwIQnVkYXBlc3QxFTATBgNVBAoMDE5ldExvY2sgS2Z0LjE3 +MDUGA1UECwwuVGFuw7pzw610dsOhbnlraWFkw7NrIChDZXJ0aWZpY2F0aW9uIFNl +cnZpY2VzKTE1MDMGA1UEAwwsTmV0TG9jayBBcmFueSAoQ2xhc3MgR29sZCkgRsWR +dGFuw7pzw610dsOhbnkwHhcNMDgxMjExMTUwODIxWhcNMjgxMjA2MTUwODIxWjCB +pzELMAkGA1UEBhMCSFUxETAPBgNVBAcMCEJ1ZGFwZXN0MRUwEwYDVQQKDAxOZXRM +b2NrIEtmdC4xNzA1BgNVBAsMLlRhbsO6c8OtdHbDoW55a2lhZMOzayAoQ2VydGlm +aWNhdGlvbiBTZXJ2aWNlcykxNTAzBgNVBAMMLE5ldExvY2sgQXJhbnkgKENsYXNz 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+# Subject: CN=Hongkong Post Root CA 1 O=Hongkong Post +# Label: "Hongkong Post Root CA 1" +# Serial: 1000 +# MD5 Fingerprint: a8:0d:6f:39:78:b9:43:6d:77:42:6d:98:5a:cc:23:ca +# SHA1 Fingerprint: d6:da:a8:20:8d:09:d2:15:4d:24:b5:2f:cb:34:6e:b2:58:b2:8a:58 +# SHA256 Fingerprint: f9:e6:7d:33:6c:51:00:2a:c0:54:c6:32:02:2d:66:dd:a2:e7:e3:ff:f1:0a:d0:61:ed:31:d8:bb:b4:10:cf:b2 +-----BEGIN CERTIFICATE----- +MIIDMDCCAhigAwIBAgICA+gwDQYJKoZIhvcNAQEFBQAwRzELMAkGA1UEBhMCSEsx +FjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdrb25nIFBvc3Qg +Um9vdCBDQSAxMB4XDTAzMDUxNTA1MTMxNFoXDTIzMDUxNTA0NTIyOVowRzELMAkG +A1UEBhMCSEsxFjAUBgNVBAoTDUhvbmdrb25nIFBvc3QxIDAeBgNVBAMTF0hvbmdr +b25nIFBvc3QgUm9vdCBDQSAxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC +AQEArP84tulmAknjorThkPlAj3n54r15/gK97iSSHSL22oVyaf7XPwnU3ZG1ApzQ +jVrhVcNQhrkpJsLj2aDxaQMoIIBFIi1WpztUlVYiWR8o3x8gPW2iNr4joLFutbEn +PzlTCeqrauh0ssJlXI6/fMN4hM2eFvz1Lk8gKgifd/PFHsSaUmYeSF7jEAaPIpjh +ZY4bXSNmO7ilMlHIhqqhqZ5/dpTCpmy3QfDVyAY45tQM4vM7TG1QjMSDJ8EThFk9 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OU=Certum Certification Authority +# Subject: CN=Certum Trusted Network CA O=Unizeto Technologies S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Network CA" +# Serial: 279744 +# MD5 Fingerprint: d5:e9:81:40:c5:18:69:fc:46:2c:89:75:62:0f:aa:78 +# SHA1 Fingerprint: 07:e0:32:e0:20:b7:2c:3f:19:2f:06:28:a2:59:3a:19:a7:0f:06:9e +# SHA256 Fingerprint: 5c:58:46:8d:55:f5:8e:49:7e:74:39:82:d2:b5:00:10:b6:d1:65:37:4a:cf:83:a7:d4:a3:2d:b7:68:c4:40:8e +-----BEGIN CERTIFICATE----- +MIIDuzCCAqOgAwIBAgIDBETAMA0GCSqGSIb3DQEBBQUAMH4xCzAJBgNVBAYTAlBM +MSIwIAYDVQQKExlVbml6ZXRvIFRlY2hub2xvZ2llcyBTLkEuMScwJQYDVQQLEx5D +ZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxIjAgBgNVBAMTGUNlcnR1bSBU +cnVzdGVkIE5ldHdvcmsgQ0EwHhcNMDgxMDIyMTIwNzM3WhcNMjkxMjMxMTIwNzM3 +WjB+MQswCQYDVQQGEwJQTDEiMCAGA1UEChMZVW5pemV0byBUZWNobm9sb2dpZXMg +Uy5BLjEnMCUGA1UECxMeQ2VydHVtIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MSIw +IAYDVQQDExlDZXJ0dW0gVHJ1c3RlZCBOZXR3b3JrIENBMIIBIjANBgkqhkiG9w0B +AQEFAAOCAQ8AMIIBCgKCAQEA4/t9o3K6wvDJFIf1awFO4W5AB7ptJ11/91sts1rH +UV+rpDKmYYe2bg+G0jACl/jXaVehGDldamR5xgFZrDwxSjh80gTSSyjoIF87B6LM +TXPb865Px1bVWqeWifrzq2jUI4ZZJ88JJ7ysbnKDHDBy3+Ci6dLhdHUZvSqeexVU +BBvXQzmtVSjF4hq79MDkrjhJM8x2hZ85RdKknvISjFH4fOQtf/WsX+sWn7Et0brM +kUJ3TCXJkDhv2/DM+44el1k+1WBO5gUo7Ul5E0u6SNsv+XLTOcr+H9g0cvW0QM8x +AcPs3hEtF10fuFDRXhmnad4HMyjKUJX5p1TLVIZQRan5SQIDAQABo0IwQDAPBgNV +HRMBAf8EBTADAQH/MB0GA1UdDgQWBBQIds3LB/8k9sXN7buQvOKEN0Z19zAOBgNV +HQ8BAf8EBAMCAQYwDQYJKoZIhvcNAQEFBQADggEBAKaorSLOAT2mo/9i0Eidi15y +sHhE49wcrwn9I0j6vSrEuVUEtRCjjSfeC4Jj0O7eDDd5QVsisrCaQVymcODU0HfL +I9MA4GxWL+FpDQ3Zqr8hgVDZBqWo/5U30Kr+4rP1mS1FhIrlQgnXdAIv94nYmem8 +J9RHjboNRhx3zxSkHLmkMcScKHQDNP8zGSal6Q10tz6XxnboJ5ajZt3hrvJBW8qY +VoNzcOSGGtIxQbovvi0TWnZvTuhOgQ4/WwMioBK+ZlgRSssDxLQqKi2WF+A5VLxI +03YnnZotBqbJ7DnSq9ufmgsnAjUpsUCV5/nonFWIGUbWtzT1fs45mtk48VH3Tyw= +-----END CERTIFICATE----- + +# Issuer: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA +# Subject: CN=TWCA Root Certification Authority O=TAIWAN-CA OU=Root CA +# Label: "TWCA Root Certification Authority" +# Serial: 1 +# MD5 Fingerprint: aa:08:8f:f6:f9:7b:b7:f2:b1:a7:1e:9b:ea:ea:bd:79 +# SHA1 Fingerprint: cf:9e:87:6d:d3:eb:fc:42:26:97:a3:b5:a3:7a:a0:76:a9:06:23:48 +# SHA256 Fingerprint: bf:d8:8f:e1:10:1c:41:ae:3e:80:1b:f8:be:56:35:0e:e9:ba:d1:a6:b9:bd:51:5e:dc:5c:6d:5b:87:11:ac:44 +-----BEGIN CERTIFICATE----- +MIIDezCCAmOgAwIBAgIBATANBgkqhkiG9w0BAQUFADBfMQswCQYDVQQGEwJUVzES +MBAGA1UECgwJVEFJV0FOLUNBMRAwDgYDVQQLDAdSb290IENBMSowKAYDVQQDDCFU +V0NBIFJvb3QgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMDgwODI4MDcyNDMz +WhcNMzAxMjMxMTU1OTU5WjBfMQswCQYDVQQGEwJUVzESMBAGA1UECgwJVEFJV0FO +LUNBMRAwDgYDVQQLDAdSb290IENBMSowKAYDVQQDDCFUV0NBIFJvb3QgQ2VydGlm +aWNhdGlvbiBBdXRob3JpdHkwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB +AQCwfnK4pAOU5qfeCTiRShFAh6d8WWQUe7UREN3+v9XAu1bihSX0NXIP+FPQQeFE +AcK0HMMxQhZHhTMidrIKbw/lJVBPhYa+v5guEGcevhEFhgWQxFnQfHgQsIBct+HH +K3XLfJ+utdGdIzdjp9xCoi2SBBtQwXu4PhvJVgSLL1KbralW6cH/ralYhzC2gfeX +RfwZVzsrb+RH9JlF/h3x+JejiB03HFyP4HYlmlD4oFT/RJB2I9IyxsOrBr/8+7/z +rX2SYgJbKdM1o5OaQ2RgXbL6Mv87BK9NQGr5x+PvI/1ry+UPizgN7gr8/g+YnzAx +3WxSZfmLgb4i4RxYA7qRG4kHAgMBAAGjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNV +HRMBAf8EBTADAQH/MB0GA1UdDgQWBBRqOFsmjd6LWvJPelSDGRjjCDWmujANBgkq +hkiG9w0BAQUFAAOCAQEAPNV3PdrfibqHDAhUaiBQkr6wQT25JmSDCi/oQMCXKCeC +MErJk/9q56YAf4lCmtYR5VPOL8zy2gXE/uJQxDqGfczafhAJO5I1KlOy/usrBdls +XebQ79NqZp4VKIV66IIArB6nCWlWQtNoURi+VJq/REG6Sb4gumlc7rh3zc5sH62D +lhh9DrUUOYTxKOkto557HnpyWoOzeW/vtPzQCqVYT0bf+215WfKEIlKuD8z7fDvn +aspHYcN6+NOSBB+4IIThNlQWx0DeO4pz3N/GCUzf7Nr/1FNCocnyYh0igzyXxfkZ +YiesZSLX0zzG5Y6yU8xJzrww/nsOM5D77dIUkR8Hrw== +-----END CERTIFICATE----- + +# Issuer: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2 +# Subject: O=SECOM Trust Systems CO.,LTD. OU=Security Communication RootCA2 +# Label: "Security Communication RootCA2" +# Serial: 0 +# MD5 Fingerprint: 6c:39:7d:a4:0e:55:59:b2:3f:d6:41:b1:12:50:de:43 +# SHA1 Fingerprint: 5f:3b:8c:f2:f8:10:b3:7d:78:b4:ce:ec:19:19:c3:73:34:b9:c7:74 +# SHA256 Fingerprint: 51:3b:2c:ec:b8:10:d4:cd:e5:dd:85:39:1a:df:c6:c2:dd:60:d8:7b:b7:36:d2:b5:21:48:4a:a4:7a:0e:be:f6 +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIBADANBgkqhkiG9w0BAQsFADBdMQswCQYDVQQGEwJKUDEl +MCMGA1UEChMcU0VDT00gVHJ1c3QgU3lzdGVtcyBDTy4sTFRELjEnMCUGA1UECxMe +U2VjdXJpdHkgQ29tbXVuaWNhdGlvbiBSb290Q0EyMB4XDTA5MDUyOTA1MDAzOVoX +DTI5MDUyOTA1MDAzOVowXTELMAkGA1UEBhMCSlAxJTAjBgNVBAoTHFNFQ09NIFRy +dXN0IFN5c3RlbXMgQ08uLExURC4xJzAlBgNVBAsTHlNlY3VyaXR5IENvbW11bmlj +YXRpb24gUm9vdENBMjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANAV +OVKxUrO6xVmCxF1SrjpDZYBLx/KWvNs2l9amZIyoXvDjChz335c9S672XewhtUGr +zbl+dp+++T42NKA7wfYxEUV0kz1XgMX5iZnK5atq1LXaQZAQwdbWQonCv/Q4EpVM +VAX3NuRFg3sUZdbcDE3R3n4MqzvEFb46VqZab3ZpUql6ucjrappdUtAtCms1FgkQ +hNBqyjoGADdH5H5XTz+L62e4iKrFvlNVspHEfbmwhRkGeC7bYRr6hfVKkaHnFtWO +ojnflLhwHyg/i/xAXmODPIMqGplrz95Zajv8bxbXH/1KEOtOghY6rCcMU/Gt1SSw +awNQwS08Ft1ENCcadfsCAwEAAaNCMEAwHQYDVR0OBBYEFAqFqXdlBZh8QIH4D5cs +OPEK7DzPMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3 +DQEBCwUAA4IBAQBMOqNErLlFsceTfsgLCkLfZOoc7llsCLqJX2rKSpWeeo8HxdpF +coJxDjrSzG+ntKEju/Ykn8sX/oymzsLS28yN/HH8AynBbF0zX2S2ZTuJbxh2ePXc +okgfGT+Ok+vx+hfuzU7jBBJV1uXk3fs+BXziHV7Gp7yXT2g69ekuCkO2r1dcYmh8 +t/2jioSgrGK+KwmHNPBqAbubKVY8/gA3zyNs8U6qtnRGEmyR7jTV7JqR50S+kDFy +1UkC9gLl9B/rfNmWVan/7Ir5mUf/NVoCqgTLiluHcSmRvaS0eg29mvVXIwAHIRc/ +SjnRBUkLp7Y3gaVdjKozXoEofKd9J+sAro03 +-----END CERTIFICATE----- + +# Issuer: CN=EC-ACC O=Agencia Catalana de Certificacio (NIF Q-0801176-I) OU=Serveis Publics de Certificacio/Vegeu https://www.catcert.net/verarrel (c)03/Jerarquia Entitats de Certificacio Catalanes +# Subject: CN=EC-ACC O=Agencia Catalana de Certificacio (NIF Q-0801176-I) OU=Serveis Publics de Certificacio/Vegeu https://www.catcert.net/verarrel (c)03/Jerarquia Entitats de Certificacio Catalanes +# Label: "EC-ACC" +# Serial: -23701579247955709139626555126524820479 +# MD5 Fingerprint: eb:f5:9d:29:0d:61:f9:42:1f:7c:c2:ba:6d:e3:15:09 +# SHA1 Fingerprint: 28:90:3a:63:5b:52:80:fa:e6:77:4c:0b:6d:a7:d6:ba:a6:4a:f2:e8 +# SHA256 Fingerprint: 88:49:7f:01:60:2f:31:54:24:6a:e2:8c:4d:5a:ef:10:f1:d8:7e:bb:76:62:6f:4a:e0:b7:f9:5b:a7:96:87:99 +-----BEGIN CERTIFICATE----- +MIIFVjCCBD6gAwIBAgIQ7is969Qh3hSoYqwE893EATANBgkqhkiG9w0BAQUFADCB +8zELMAkGA1UEBhMCRVMxOzA5BgNVBAoTMkFnZW5jaWEgQ2F0YWxhbmEgZGUgQ2Vy +dGlmaWNhY2lvIChOSUYgUS0wODAxMTc2LUkpMSgwJgYDVQQLEx9TZXJ2ZWlzIFB1 +YmxpY3MgZGUgQ2VydGlmaWNhY2lvMTUwMwYDVQQLEyxWZWdldSBodHRwczovL3d3 +dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAoYykwMzE1MDMGA1UECxMsSmVyYXJxdWlh +IEVudGl0YXRzIGRlIENlcnRpZmljYWNpbyBDYXRhbGFuZXMxDzANBgNVBAMTBkVD +LUFDQzAeFw0wMzAxMDcyMzAwMDBaFw0zMTAxMDcyMjU5NTlaMIHzMQswCQYDVQQG +EwJFUzE7MDkGA1UEChMyQWdlbmNpYSBDYXRhbGFuYSBkZSBDZXJ0aWZpY2FjaW8g +KE5JRiBRLTA4MDExNzYtSSkxKDAmBgNVBAsTH1NlcnZlaXMgUHVibGljcyBkZSBD +ZXJ0aWZpY2FjaW8xNTAzBgNVBAsTLFZlZ2V1IGh0dHBzOi8vd3d3LmNhdGNlcnQu +bmV0L3ZlcmFycmVsIChjKTAzMTUwMwYDVQQLEyxKZXJhcnF1aWEgRW50aXRhdHMg +ZGUgQ2VydGlmaWNhY2lvIENhdGFsYW5lczEPMA0GA1UEAxMGRUMtQUNDMIIBIjAN +BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsyLHT+KXQpWIR4NA9h0X84NzJB5R +85iKw5K4/0CQBXCHYMkAqbWUZRkiFRfCQ2xmRJoNBD45b6VLeqpjt4pEndljkYRm +4CgPukLjbo73FCeTae6RDqNfDrHrZqJyTxIThmV6PttPB/SnCWDaOkKZx7J/sxaV +HMf5NLWUhdWZXqBIoH7nF2W4onW4HvPlQn2v7fOKSGRdghST2MDk/7NQcvJ29rNd +QlB50JQ+awwAvthrDk4q7D7SzIKiGGUzE3eeml0aE9jD2z3Il3rucO2n5nzbcc8t +lGLfbdb1OL4/pYUKGbio2Al1QnDE6u/LDsg0qBIimAy4E5S2S+zw0JDnJwIDAQAB +o4HjMIHgMB0GA1UdEQQWMBSBEmVjX2FjY0BjYXRjZXJ0Lm5ldDAPBgNVHRMBAf8E +BTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNVHQ4EFgQUoMOLRKo3pUW/l4Ba0fF4 +opvpXY0wfwYDVR0gBHgwdjB0BgsrBgEEAfV4AQMBCjBlMCwGCCsGAQUFBwIBFiBo +dHRwczovL3d3dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbDA1BggrBgEFBQcCAjApGidW +ZWdldSBodHRwczovL3d3dy5jYXRjZXJ0Lm5ldC92ZXJhcnJlbCAwDQYJKoZIhvcN +AQEFBQADggEBAKBIW4IB9k1IuDlVNZyAelOZ1Vr/sXE7zDkJlF7W2u++AVtd0x7Y +/X1PzaBB4DSTv8vihpw3kpBWHNzrKQXlxJ7HNd+KDM3FIUPpqojlNcAZQmNaAl6k +SBg6hW/cnbw/nZzBh7h6YQjpdwt/cKt63dmXLGQehb+8dJahw3oS7AwaboMMPOhy +Rp/7SNVel+axofjk70YllJyJ22k4vuxcDlbHZVHlUIiIv0LVKz3l+bqeLrPK9HOS +Agu+TGbrIP65y7WZf+a2E/rKS03Z7lNGBjvGTq2TWoF+bCpLagVFjPIhpDGQh2xl +nJ2lYJU6Un/10asIbvPuW/mIPX64b24D5EI= +-----END CERTIFICATE----- + +# Issuer: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2011 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions RootCA 2011" +# Serial: 0 +# MD5 Fingerprint: 73:9f:4c:4b:73:5b:79:e9:fa:ba:1c:ef:6e:cb:d5:c9 +# SHA1 Fingerprint: fe:45:65:9b:79:03:5b:98:a1:61:b5:51:2e:ac:da:58:09:48:22:4d +# SHA256 Fingerprint: bc:10:4f:15:a4:8b:e7:09:dc:a5:42:a7:e1:d4:b9:df:6f:05:45:27:e8:02:ea:a9:2d:59:54:44:25:8a:fe:71 +-----BEGIN CERTIFICATE----- +MIIEMTCCAxmgAwIBAgIBADANBgkqhkiG9w0BAQUFADCBlTELMAkGA1UEBhMCR1Ix +RDBCBgNVBAoTO0hlbGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1 +dGlvbnMgQ2VydC4gQXV0aG9yaXR5MUAwPgYDVQQDEzdIZWxsZW5pYyBBY2FkZW1p +YyBhbmQgUmVzZWFyY2ggSW5zdGl0dXRpb25zIFJvb3RDQSAyMDExMB4XDTExMTIw +NjEzNDk1MloXDTMxMTIwMTEzNDk1MlowgZUxCzAJBgNVBAYTAkdSMUQwQgYDVQQK +EztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0dXRpb25zIENl +cnQuIEF1dGhvcml0eTFAMD4GA1UEAxM3SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBSb290Q0EgMjAxMTCCASIwDQYJKoZIhvcNAQEB +BQADggEPADCCAQoCggEBAKlTAOMupvaO+mDYLZU++CwqVE7NuYRhlFhPjz2L5EPz 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Subject: CN=Actalis Authentication Root CA O=Actalis S.p.A./03358520967 +# Label: "Actalis Authentication Root CA" +# Serial: 6271844772424770508 +# MD5 Fingerprint: 69:c1:0d:4f:07:a3:1b:c3:fe:56:3d:04:bc:11:f6:a6 +# SHA1 Fingerprint: f3:73:b3:87:06:5a:28:84:8a:f2:f3:4a:ce:19:2b:dd:c7:8e:9c:ac +# SHA256 Fingerprint: 55:92:60:84:ec:96:3a:64:b9:6e:2a:be:01:ce:0b:a8:6a:64:fb:fe:bc:c7:aa:b5:af:c1:55:b3:7f:d7:60:66 +-----BEGIN CERTIFICATE----- +MIIFuzCCA6OgAwIBAgIIVwoRl0LE48wwDQYJKoZIhvcNAQELBQAwazELMAkGA1UE +BhMCSVQxDjAMBgNVBAcMBU1pbGFuMSMwIQYDVQQKDBpBY3RhbGlzIFMucC5BLi8w +MzM1ODUyMDk2NzEnMCUGA1UEAwweQWN0YWxpcyBBdXRoZW50aWNhdGlvbiBSb290 +IENBMB4XDTExMDkyMjExMjIwMloXDTMwMDkyMjExMjIwMlowazELMAkGA1UEBhMC +SVQxDjAMBgNVBAcMBU1pbGFuMSMwIQYDVQQKDBpBY3RhbGlzIFMucC5BLi8wMzM1 +ODUyMDk2NzEnMCUGA1UEAwweQWN0YWxpcyBBdXRoZW50aWNhdGlvbiBSb290IENB +MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAp8bEpSmkLO/lGMWwUKNv +UTufClrJwkg4CsIcoBh/kbWHuUA/3R1oHwiD1S0eiKD4j1aPbZkCkpAW1V8IbInX 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CERTIFICATE----- +MIIFWTCCA0GgAwIBAgIBAjANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJOTzEd +MBsGA1UECgwUQnV5cGFzcyBBUy05ODMxNjMzMjcxIDAeBgNVBAMMF0J1eXBhc3Mg +Q2xhc3MgMiBSb290IENBMB4XDTEwMTAyNjA4MzgwM1oXDTQwMTAyNjA4MzgwM1ow +TjELMAkGA1UEBhMCTk8xHTAbBgNVBAoMFEJ1eXBhc3MgQVMtOTgzMTYzMzI3MSAw +HgYDVQQDDBdCdXlwYXNzIENsYXNzIDIgUm9vdCBDQTCCAiIwDQYJKoZIhvcNAQEB +BQADggIPADCCAgoCggIBANfHXvfBB9R3+0Mh9PT1aeTuMgHbo4Yf5FkNuud1g1Lr +6hxhFUi7HQfKjK6w3Jad6sNgkoaCKHOcVgb/S2TwDCo3SbXlzwx87vFKu3MwZfPV +L4O2fuPn9Z6rYPnT8Z2SdIrkHJasW4DptfQxh6NR/Md+oW+OU3fUl8FVM5I+GC91 +1K2GScuVr1QGbNgGE41b/+EmGVnAJLqBcXmQRFBoJJRfuLMR8SlBYaNByyM21cHx +MlAQTn/0hpPshNOOvEu/XAFOBz3cFIqUCqTqc/sLUegTBxj6DvEr0VQVfTzh97QZ +QmdiXnfgolXsttlpF9U6r0TtSsWe5HonfOV116rLJeffawrbD02TTqigzXsu8lkB +arcNuAeBfos4GzjmCleZPe4h6KP1DBbdi+w0jpwqHAAVF41og9JwnxgIzRFo1clr +Us3ERo/ctfPYV3Me6ZQ5BL/T3jjetFPsaRyifsSP5BtwrfKi+fv3FmRmaZ9JUaLi +FRhnBkp/1Wy1TbMz4GHrXb7pmA8y1x1LPC5aAVKRCfLf6o3YBkBjqhHk/sM3nhRS 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Issuer: CN=Buypass Class 3 Root CA O=Buypass AS-983163327 +# Subject: CN=Buypass Class 3 Root CA O=Buypass AS-983163327 +# Label: "Buypass Class 3 Root CA" +# Serial: 2 +# MD5 Fingerprint: 3d:3b:18:9e:2c:64:5a:e8:d5:88:ce:0e:f9:37:c2:ec +# SHA1 Fingerprint: da:fa:f7:fa:66:84:ec:06:8f:14:50:bd:c7:c2:81:a5:bc:a9:64:57 +# SHA256 Fingerprint: ed:f7:eb:bc:a2:7a:2a:38:4d:38:7b:7d:40:10:c6:66:e2:ed:b4:84:3e:4c:29:b4:ae:1d:5b:93:32:e6:b2:4d +-----BEGIN CERTIFICATE----- +MIIFWTCCA0GgAwIBAgIBAjANBgkqhkiG9w0BAQsFADBOMQswCQYDVQQGEwJOTzEd +MBsGA1UECgwUQnV5cGFzcyBBUy05ODMxNjMzMjcxIDAeBgNVBAMMF0J1eXBhc3Mg +Q2xhc3MgMyBSb290IENBMB4XDTEwMTAyNjA4Mjg1OFoXDTQwMTAyNjA4Mjg1OFow +TjELMAkGA1UEBhMCTk8xHTAbBgNVBAoMFEJ1eXBhc3MgQVMtOTgzMTYzMzI3MSAw +HgYDVQQDDBdCdXlwYXNzIENsYXNzIDMgUm9vdCBDQTCCAiIwDQYJKoZIhvcNAQEB +BQADggIPADCCAgoCggIBAKXaCpUWUOOV8l6ddjEGMnqb8RB2uACatVI2zSRHsJ8Y +ZLya9vrVediQYkwiL944PdbgqOkcLNt4EemOaFEVcsfzM4fkoF0LXOBXByow9c3E +N3coTRiR5r/VUv1xLXA+58bEiuPwKAv0dpihi4dVsjoT/Lc+JzeOIuOoTyrvYLs9 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dd:69:36:fe:21:f8:f0:77:c1:23:a1:a5:21:c1:22:24:f7:22:55:b7:3e:03:a7:26:06:93:e8:a2:4b:0f:a3:89 +-----BEGIN CERTIFICATE----- +MIIFODCCAyCgAwIBAgIRAJW+FqD3LkbxezmCcvqLzZYwDQYJKoZIhvcNAQEFBQAw +NzEUMBIGA1UECgwLVGVsaWFTb25lcmExHzAdBgNVBAMMFlRlbGlhU29uZXJhIFJv +b3QgQ0EgdjEwHhcNMDcxMDE4MTIwMDUwWhcNMzIxMDE4MTIwMDUwWjA3MRQwEgYD +VQQKDAtUZWxpYVNvbmVyYTEfMB0GA1UEAwwWVGVsaWFTb25lcmEgUm9vdCBDQSB2 +MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMK+6yfwIaPzaSZVfp3F +VRaRXP3vIb9TgHot0pGMYzHw7CTww6XScnwQbfQ3t+XmfHnqjLWCi65ItqwA3GV1 +7CpNX8GH9SBlK4GoRz6JI5UwFpB/6FcHSOcZrr9FZ7E3GwYq/t75rH2D+1665I+X +Z75Ljo1kB1c4VWk0Nj0TSO9P4tNmHqTPGrdeNjPUtAa9GAH9d4RQAEX1jF3oI7x+ +/jXh7VB7qTCNGdMJjmhnXb88lxhTuylixcpecsHHltTbLaC0H2kD7OriUPEMPPCs +81Mt8Bz17Ww5OXOAFshSsCPN4D7c3TxHoLs1iuKYaIu+5b9y7tL6pe0S7fyYGKkm +dtwoSxAgHNN/Fnct7W+A90m7UwW7XWjH1Mh1Fj+JWov3F0fUTPHSiXk+TT2YqGHe +Oh7S+F4D4MHJHIzTjU3TlTazN19jY5szFPAtJmtTfImMMsJu7D0hADnJoWjiUIMu +sDor8zagrC/kb2HCUQk5PotTubtn2txTuXZZNp1D5SDgPTJghSJRt8czu90VL6R4 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CERTIFICATE----- + +# Issuer: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi +# Subject: CN=E-Tugra Certification Authority O=E-Tu\u011fra EBG Bili\u015fim Teknolojileri ve Hizmetleri A.\u015e. OU=E-Tugra Sertifikasyon Merkezi +# Label: "E-Tugra Certification Authority" +# Serial: 7667447206703254355 +# MD5 Fingerprint: b8:a1:03:63:b0:bd:21:71:70:8a:6f:13:3a:bb:79:49 +# SHA1 Fingerprint: 51:c6:e7:08:49:06:6e:f3:92:d4:5c:a0:0d:6d:a3:62:8f:c3:52:39 +# SHA256 Fingerprint: b0:bf:d5:2b:b0:d7:d9:bd:92:bf:5d:4d:c1:3d:a2:55:c0:2c:54:2f:37:83:65:ea:89:39:11:f5:5e:55:f2:3c +-----BEGIN CERTIFICATE----- +MIIGSzCCBDOgAwIBAgIIamg+nFGby1MwDQYJKoZIhvcNAQELBQAwgbIxCzAJBgNV +BAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+BgNVBAoMN0UtVHXEn3JhIEVCRyBC +aWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhpem1ldGxlcmkgQS7Fni4xJjAkBgNV +BAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBNZXJrZXppMSgwJgYDVQQDDB9FLVR1 +Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MB4XDTEzMDMwNTEyMDk0OFoXDTIz +MDMwMzEyMDk0OFowgbIxCzAJBgNVBAYTAlRSMQ8wDQYDVQQHDAZBbmthcmExQDA+ +BgNVBAoMN0UtVHXEn3JhIEVCRyBCaWxpxZ9pbSBUZWtub2xvamlsZXJpIHZlIEhp +em1ldGxlcmkgQS7Fni4xJjAkBgNVBAsMHUUtVHVncmEgU2VydGlmaWthc3lvbiBN +ZXJrZXppMSgwJgYDVQQDDB9FLVR1Z3JhIENlcnRpZmljYXRpb24gQXV0aG9yaXR5 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2b:9b:9e:e4:7b:6c:1f:00:72:1a:cc:c1:77:79:df:6a +# SHA1 Fingerprint: 59:0d:2d:7d:88:4f:40:2e:61:7e:a5:62:32:17:65:cf:17:d8:94:e9 +# SHA256 Fingerprint: 91:e2:f5:78:8d:58:10:eb:a7:ba:58:73:7d:e1:54:8a:8e:ca:cd:01:45:98:bc:0b:14:3e:04:1b:17:05:25:52 +-----BEGIN CERTIFICATE----- +MIIDwzCCAqugAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgjELMAkGA1UEBhMCREUx +KzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnByaXNlIFNlcnZpY2VzIEdtYkgxHzAd +BgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50ZXIxJTAjBgNVBAMMHFQtVGVsZVNl +YyBHbG9iYWxSb290IENsYXNzIDIwHhcNMDgxMDAxMTA0MDE0WhcNMzMxMDAxMjM1 +OTU5WjCBgjELMAkGA1UEBhMCREUxKzApBgNVBAoMIlQtU3lzdGVtcyBFbnRlcnBy +aXNlIFNlcnZpY2VzIEdtYkgxHzAdBgNVBAsMFlQtU3lzdGVtcyBUcnVzdCBDZW50 +ZXIxJTAjBgNVBAMMHFQtVGVsZVNlYyBHbG9iYWxSb290IENsYXNzIDIwggEiMA0G +CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqX9obX+hzkeXaXPSi5kfl82hVYAUd +AqSzm1nzHoqvNK38DcLZSBnuaY/JIPwhqgcZ7bBcrGXHX+0CfHt8LRvWurmAwhiC +FoT6ZrAIxlQjgeTNuUk/9k9uN0goOA/FvudocP05l03Sx5iRUKrERLMjfTlH6VJi 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2b:b1:f5:3e:55:0c:1d:c5:f1:d4:e6:b7:6a:46:4b:55:06:02:ac:21 +# SHA256 Fingerprint: f3:56:be:a2:44:b7:a9:1e:b3:5d:53:ca:9a:d7:86:4a:ce:01:8e:2d:35:d5:f8:f9:6d:df:68:a6:f4:1a:a4:74 +-----BEGIN CERTIFICATE----- +MIIDdzCCAl+gAwIBAgIIXDPLYixfszIwDQYJKoZIhvcNAQELBQAwPDEeMBwGA1UE +AwwVQXRvcyBUcnVzdGVkUm9vdCAyMDExMQ0wCwYDVQQKDARBdG9zMQswCQYDVQQG +EwJERTAeFw0xMTA3MDcxNDU4MzBaFw0zMDEyMzEyMzU5NTlaMDwxHjAcBgNVBAMM +FUF0b3MgVHJ1c3RlZFJvb3QgMjAxMTENMAsGA1UECgwEQXRvczELMAkGA1UEBhMC +REUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCVhTuXbyo7LjvPpvMp +Nb7PGKw+qtn4TaA+Gke5vJrf8v7MPkfoepbCJI419KkM/IL9bcFyYie96mvr54rM +VD6QUM+A1JX76LWC1BTFtqlVJVfbsVD2sGBkWXppzwO3bw2+yj5vdHLqqjAqc2K+ +SZFhyBH+DgMq92og3AIVDV4VavzjgsG1xZ1kCWyjWZgHJ8cblithdHFsQ/H3NYkQ +4J7sVaE3IqKHBAUsR320HLliKWYoyrfhk/WklAOZuXCFteZI6o1Q/NnezG8HDt0L +cp2AMBYHlT8oDv3FdU9T1nSatCQujgKRz3bFmx5VdJx4IbHwLfELn8LVlhgf8FQi +eowHAgMBAAGjfTB7MB0GA1UdDgQWBBSnpQaxLKYJYO7Rl+lwrrw7GWzbITAPBgNV +HRMBAf8EBTADAQH/MB8GA1UdIwQYMBaAFKelBrEspglg7tGX6XCuvDsZbNshMBgG 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Subject: CN=QuoVadis Root CA 2 G3 O=QuoVadis Limited +# Label: "QuoVadis Root CA 2 G3" +# Serial: 390156079458959257446133169266079962026824725800 +# MD5 Fingerprint: af:0c:86:6e:bf:40:2d:7f:0b:3e:12:50:ba:12:3d:06 +# SHA1 Fingerprint: 09:3c:61:f3:8b:8b:dc:7d:55:df:75:38:02:05:00:e1:25:f5:c8:36 +# SHA256 Fingerprint: 8f:e4:fb:0a:f9:3a:4d:0d:67:db:0b:eb:b2:3e:37:c7:1b:f3:25:dc:bc:dd:24:0e:a0:4d:af:58:b4:7e:18:40 +-----BEGIN CERTIFICATE----- +MIIFYDCCA0igAwIBAgIURFc0JFuBiZs18s64KztbpybwdSgwDQYJKoZIhvcNAQEL +BQAwSDELMAkGA1UEBhMCQk0xGTAXBgNVBAoTEFF1b1ZhZGlzIExpbWl0ZWQxHjAc +BgNVBAMTFVF1b1ZhZGlzIFJvb3QgQ0EgMiBHMzAeFw0xMjAxMTIxODU5MzJaFw00 +MjAxMTIxODU5MzJaMEgxCzAJBgNVBAYTAkJNMRkwFwYDVQQKExBRdW9WYWRpcyBM +aW1pdGVkMR4wHAYDVQQDExVRdW9WYWRpcyBSb290IENBIDIgRzMwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQChriWyARjcV4g/Ruv5r+LrI3HimtFhZiFf +qq8nUeVuGxbULX1QsFN3vXg6YOJkApt8hpvWGo6t/x8Vf9WVHhLL5hSEBMHfNrMW +n4rjyduYNM7YMxcoRvynyfDStNVNCXJJ+fKH46nafaF9a7I6JaltUkSs+L5u+9ym 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O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Assured ID Root G2" +# Serial: 15385348160840213938643033620894905419 +# MD5 Fingerprint: 92:38:b9:f8:63:24:82:65:2c:57:33:e6:fe:81:8f:9d +# SHA1 Fingerprint: a1:4b:48:d9:43:ee:0a:0e:40:90:4f:3c:e0:a4:c0:91:93:51:5d:3f +# SHA256 Fingerprint: 7d:05:eb:b6:82:33:9f:8c:94:51:ee:09:4e:eb:fe:fa:79:53:a1:14:ed:b2:f4:49:49:45:2f:ab:7d:2f:c1:85 +-----BEGIN CERTIFICATE----- +MIIDljCCAn6gAwIBAgIQC5McOtY5Z+pnI7/Dr5r0SzANBgkqhkiG9w0BAQsFADBl +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJv +b3QgRzIwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQG +EwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNl +cnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzIwggEi +MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZ5ygvUj82ckmIkzTz+GoeMVSA +n61UQbVH35ao1K+ALbkKz3X9iaV9JPrjIgwrvJUXCzO/GU1BBpAAvQxNEP4Htecc 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15459312981008553731928384953135426796 +# MD5 Fingerprint: 7c:7f:65:31:0c:81:df:8d:ba:3e:99:e2:5c:ad:6e:fb +# SHA1 Fingerprint: f5:17:a2:4f:9a:48:c6:c9:f8:a2:00:26:9f:dc:0f:48:2c:ab:30:89 +# SHA256 Fingerprint: 7e:37:cb:8b:4c:47:09:0c:ab:36:55:1b:a6:f4:5d:b8:40:68:0f:ba:16:6a:95:2d:b1:00:71:7f:43:05:3f:c2 +-----BEGIN CERTIFICATE----- +MIICRjCCAc2gAwIBAgIQC6Fa+h3foLVJRK/NJKBs7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3Qg +RzMwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBlMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSQwIgYDVQQDExtEaWdpQ2VydCBBc3N1cmVkIElEIFJvb3QgRzMwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAAQZ57ysRGXtzbg/WPuNsVepRC0FFfLvC/8QdJ+1YlJf +Zn4f5dwbRXkLzMZTCp2NXQLZqVneAlr2lSoOjThKiknGvMYDOAdfVdp+CW7if17Q +RSAPWXYQ1qAk8C3eNvJsKTmjQjBAMA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/ +BAQDAgGGMB0GA1UdDgQWBBTL0L2p4ZgFUaFNN6KDec6NHSrkhDAKBggqhkjOPQQD 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+-----END CERTIFICATE----- + +# Issuer: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Subject: CN=DigiCert Global Root G3 O=DigiCert Inc OU=www.digicert.com +# Label: "DigiCert Global Root G3" +# Serial: 7089244469030293291760083333884364146 +# MD5 Fingerprint: f5:5d:a4:50:a5:fb:28:7e:1e:0f:0d:cc:96:57:56:ca +# SHA1 Fingerprint: 7e:04:de:89:6a:3e:66:6d:00:e6:87:d3:3f:fa:d9:3b:e8:3d:34:9e +# SHA256 Fingerprint: 31:ad:66:48:f8:10:41:38:c7:38:f3:9e:a4:32:01:33:39:3e:3a:18:cc:02:29:6e:f9:7c:2a:c9:ef:67:31:d0 +-----BEGIN CERTIFICATE----- +MIICPzCCAcWgAwIBAgIQBVVWvPJepDU1w6QP1atFcjAKBggqhkjOPQQDAzBhMQsw +CQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cu +ZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBHMzAe +Fw0xMzA4MDExMjAwMDBaFw0zODAxMTUxMjAwMDBaMGExCzAJBgNVBAYTAlVTMRUw +EwYDVQQKEwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20x +IDAeBgNVBAMTF0RpZ2lDZXJ0IEdsb2JhbCBSb290IEczMHYwEAYHKoZIzj0CAQYF 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+MIIFkDCCA3igAwIBAgIQBZsbV56OITLiOQe9p3d1XDANBgkqhkiG9w0BAQwFADBi +MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3 +d3cuZGlnaWNlcnQuY29tMSEwHwYDVQQDExhEaWdpQ2VydCBUcnVzdGVkIFJvb3Qg +RzQwHhcNMTMwODAxMTIwMDAwWhcNMzgwMTE1MTIwMDAwWjBiMQswCQYDVQQGEwJV +UzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3d3cuZGlnaWNlcnQu +Y29tMSEwHwYDVQQDExhEaWdpQ2VydCBUcnVzdGVkIFJvb3QgRzQwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQC/5pBzaN675F1KPDAiMGkz7MKnJS7JIT3y +ithZwuEppz1Yq3aaza57G4QNxDAf8xukOBbrVsaXbR2rsnnyyhHS5F/WBTxSD1If +xp4VpX6+n6lXFllVcq9ok3DCsrp1mWpzMpTREEQQLt+C8weE5nQ7bXHiLQwb7iDV +ySAdYyktzuxeTsiT+CFhmzTrBcZe7FsavOvJz82sNEBfsXpm7nfISKhmV1efVFiO +DCu3T6cw2Vbuyntd463JT17lNecxy9qTXtyOj4DatpGYQJB5w3jHtrHEtWoYOAMQ +jdjUN6QuBX2I9YI+EJFwq1WCQTLX2wRzKm6RAXwhTNS8rhsDdV14Ztk6MUSaM0C/ +CNdaSaTC5qmgZ92kJ7yhTzm1EVgX9yRcRo9k98FpiHaYdj1ZXUJ2h4mXaXpI8OCi +EhtmmnTK3kse5w5jrubU75KSOp493ADkRSWJtppEGSt+wJS00mFt6zPZxd9LBADM +fRyVw4/3IbKyEbe7f/LVjHAsQWCqsWMYRJUadmJ+9oCw++hkpjPRiQfhvbfmQ6QY 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+ +# Issuer: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Subject: CN=COMODO RSA Certification Authority O=COMODO CA Limited +# Label: "COMODO RSA Certification Authority" +# Serial: 101909084537582093308941363524873193117 +# MD5 Fingerprint: 1b:31:b0:71:40:36:cc:14:36:91:ad:c4:3e:fd:ec:18 +# SHA1 Fingerprint: af:e5:d2:44:a8:d1:19:42:30:ff:47:9f:e2:f8:97:bb:cd:7a:8c:b4 +# SHA256 Fingerprint: 52:f0:e1:c4:e5:8e:c6:29:29:1b:60:31:7f:07:46:71:b8:5d:7e:a8:0d:5b:07:27:34:63:53:4b:32:b4:02:34 +-----BEGIN CERTIFICATE----- +MIIF2DCCA8CgAwIBAgIQTKr5yttjb+Af907YWwOGnTANBgkqhkiG9w0BAQwFADCB +hTELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G +A1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExpbWl0ZWQxKzApBgNV +BAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkwHhcNMTAwMTE5 +MDAwMDAwWhcNMzgwMTE4MjM1OTU5WjCBhTELMAkGA1UEBhMCR0IxGzAZBgNVBAgT +EkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMR +Q09NT0RPIENBIExpbWl0ZWQxKzApBgNVBAMTIkNPTU9ETyBSU0EgQ2VydGlmaWNh 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Root CA - R4 +# Label: "GlobalSign ECC Root CA - R4" +# Serial: 14367148294922964480859022125800977897474 +# MD5 Fingerprint: 20:f0:27:68:d1:7e:a0:9d:0e:e6:2a:ca:df:5c:89:8e +# SHA1 Fingerprint: 69:69:56:2e:40:80:f4:24:a1:e7:19:9f:14:ba:f3:ee:58:ab:6a:bb +# SHA256 Fingerprint: be:c9:49:11:c2:95:56:76:db:6c:0a:55:09:86:d7:6e:3b:a0:05:66:7c:44:2c:97:62:b4:fb:b7:73:de:22:8c +-----BEGIN CERTIFICATE----- +MIIB4TCCAYegAwIBAgIRKjikHJYKBN5CsiilC+g0mAIwCgYIKoZIzj0EAwIwUDEk +MCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBDQSAtIFI0MRMwEQYDVQQKEwpH +bG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWduMB4XDTEyMTExMzAwMDAwMFoX +DTM4MDExOTAzMTQwN1owUDEkMCIGA1UECxMbR2xvYmFsU2lnbiBFQ0MgUm9vdCBD +QSAtIFI0MRMwEQYDVQQKEwpHbG9iYWxTaWduMRMwEQYDVQQDEwpHbG9iYWxTaWdu +MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEuMZ5049sJQ6fLjkZHAOkrprlOQcJ +FspjsbmG+IpXwVfOQvpzofdlQv8ewQCybnMO/8ch5RikqtlxP6jUuc6MHaNCMEAw +DgYDVR0PAQH/BAQDAgEGMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFFSwe61F +uOJAf/sKbvu+M8k8o4TVMAoGCCqGSM49BAMCA0gAMEUCIQDckqGgE6bPA7DmxCGX 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OU=See www.entrust.net/legal-terms/(c) 2009 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G2 O=Entrust, Inc. 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Authority +# Subject: CN=Hellenic Academic and Research Institutions RootCA 2015 O=Hellenic Academic and Research Institutions Cert. 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Authority +# Subject: CN=Hellenic Academic and Research Institutions ECC RootCA 2015 O=Hellenic Academic and Research Institutions Cert. Authority +# Label: "Hellenic Academic and Research Institutions ECC RootCA 2015" +# Serial: 0 +# MD5 Fingerprint: 81:e5:b4:17:eb:c2:f5:e1:4b:0d:41:7b:49:92:fe:ef +# SHA1 Fingerprint: 9f:f1:71:8d:92:d5:9a:f3:7d:74:97:b4:bc:6f:84:68:0b:ba:b6:66 +# SHA256 Fingerprint: 44:b5:45:aa:8a:25:e6:5a:73:ca:15:dc:27:fc:36:d2:4c:1c:b9:95:3a:06:65:39:b1:15:82:dc:48:7b:48:33 +-----BEGIN CERTIFICATE----- +MIICwzCCAkqgAwIBAgIBADAKBggqhkjOPQQDAjCBqjELMAkGA1UEBhMCR1IxDzAN +BgNVBAcTBkF0aGVuczFEMEIGA1UEChM7SGVsbGVuaWMgQWNhZGVtaWMgYW5kIFJl +c2VhcmNoIEluc3RpdHV0aW9ucyBDZXJ0LiBBdXRob3JpdHkxRDBCBgNVBAMTO0hl +bGxlbmljIEFjYWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgRUNDIFJv +b3RDQSAyMDE1MB4XDTE1MDcwNzEwMzcxMloXDTQwMDYzMDEwMzcxMlowgaoxCzAJ +BgNVBAYTAkdSMQ8wDQYDVQQHEwZBdGhlbnMxRDBCBgNVBAoTO0hlbGxlbmljIEFj +YWRlbWljIGFuZCBSZXNlYXJjaCBJbnN0aXR1dGlvbnMgQ2VydC4gQXV0aG9yaXR5 +MUQwQgYDVQQDEztIZWxsZW5pYyBBY2FkZW1pYyBhbmQgUmVzZWFyY2ggSW5zdGl0 +dXRpb25zIEVDQyBSb290Q0EgMjAxNTB2MBAGByqGSM49AgEGBSuBBAAiA2IABJKg 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e3:5d:28:41:9e:d0:20:25:cf:a6:90:38:cd:62:39:62:45:8d:a5:c6:95:fb:de:a3:c2:2b:0b:fb:25:89:70:92 +-----BEGIN CERTIFICATE----- +MIIB8jCCAXigAwIBAgITBmyf18G7EEwpQ+Vxe3ssyBrBDjAKBggqhkjOPQQDAzA5 +MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6b24g +Um9vdCBDQSA0MB4XDTE1MDUyNjAwMDAwMFoXDTQwMDUyNjAwMDAwMFowOTELMAkG +A1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJvb3Qg +Q0EgNDB2MBAGByqGSM49AgEGBSuBBAAiA2IABNKrijdPo1MN/sGKe0uoe0ZLY7Bi +9i0b2whxIdIA6GO9mif78DluXeo9pcmBqqNbIJhFXRbb/egQbeOc4OO9X4Ri83Bk +M6DLJC9wuoihKqB1+IGuYgbEgds5bimwHvouXKNCMEAwDwYDVR0TAQH/BAUwAwEB +/zAOBgNVHQ8BAf8EBAMCAYYwHQYDVR0OBBYEFNPsxzplbszh2naaVvuc84ZtV+WB +MAoGCCqGSM49BAMDA2gAMGUCMDqLIfG9fhGt0O9Yli/W651+kI0rz2ZVwyzjKKlw +CkcO8DdZEv8tmZQoTipPNU0zWgIxAOp1AE47xDqUEpHJWEadIRNyp4iciuRMStuW +1KyLa2tJElMzrdfkviT8tQp21KW8EA== +-----END CERTIFICATE----- + +# Issuer: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM +# Subject: CN=TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1 O=Turkiye Bilimsel ve Teknolojik Arastirma Kurumu - TUBITAK OU=Kamu Sertifikasyon Merkezi - Kamu SM +# Label: "TUBITAK Kamu SM SSL Kok Sertifikasi - Surum 1" +# Serial: 1 +# MD5 Fingerprint: dc:00:81:dc:69:2f:3e:2f:b0:3b:f6:3d:5a:91:8e:49 +# SHA1 Fingerprint: 31:43:64:9b:ec:ce:27:ec:ed:3a:3f:0b:8f:0d:e4:e8:91:dd:ee:ca +# SHA256 Fingerprint: 46:ed:c3:68:90:46:d5:3a:45:3f:b3:10:4a:b8:0d:ca:ec:65:8b:26:60:ea:16:29:dd:7e:86:79:90:64:87:16 +-----BEGIN CERTIFICATE----- +MIIEYzCCA0ugAwIBAgIBATANBgkqhkiG9w0BAQsFADCB0jELMAkGA1UEBhMCVFIx +GDAWBgNVBAcTD0dlYnplIC0gS29jYWVsaTFCMEAGA1UEChM5VHVya2l5ZSBCaWxp +bXNlbCB2ZSBUZWtub2xvamlrIEFyYXN0aXJtYSBLdXJ1bXUgLSBUVUJJVEFLMS0w +KwYDVQQLEyRLYW11IFNlcnRpZmlrYXN5b24gTWVya2V6aSAtIEthbXUgU00xNjA0 +BgNVBAMTLVRVQklUQUsgS2FtdSBTTSBTU0wgS29rIFNlcnRpZmlrYXNpIC0gU3Vy +dW0gMTAeFw0xMzExMjUwODI1NTVaFw00MzEwMjUwODI1NTVaMIHSMQswCQYDVQQG +EwJUUjEYMBYGA1UEBxMPR2ViemUgLSBLb2NhZWxpMUIwQAYDVQQKEzlUdXJraXll 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OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-1" +# Serial: 15752444095811006489 +# MD5 Fingerprint: 6e:85:f1:dc:1a:00:d3:22:d5:b2:b2:ac:6b:37:05:45 +# SHA1 Fingerprint: ff:bd:cd:e7:82:c8:43:5e:3c:6f:26:86:5c:ca:a8:3a:45:5b:c3:0a +# SHA256 Fingerprint: d4:0e:9c:86:cd:8f:e4:68:c1:77:69:59:f4:9e:a7:74:fa:54:86:84:b6:c4:06:f3:90:92:61:f4:dc:e2:57:5c +-----BEGIN CERTIFICATE----- +MIIEMDCCAxigAwIBAgIJANqb7HHzA7AZMA0GCSqGSIb3DQEBCwUAMIGkMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRydXN0Q29y +IFJvb3RDZXJ0IENBLTEwHhcNMTYwMjA0MTIzMjE2WhcNMjkxMjMxMTcyMzE2WjCB +pDELMAkGA1UEBhMCUEExDzANBgNVBAgMBlBhbmFtYTEUMBIGA1UEBwwLUGFuYW1h +IENpdHkxJDAiBgNVBAoMG1RydXN0Q29yIFN5c3RlbXMgUy4gZGUgUi5MLjEnMCUG +A1UECwweVHJ1c3RDb3IgQ2VydGlmaWNhdGUgQXV0aG9yaXR5MR8wHQYDVQQDDBZU +cnVzdENvciBSb290Q2VydCBDQS0xMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB +CgKCAQEAv463leLCJhJrMxnHQFgKq1mqjQCj/IDHUHuO1CAmujIS2CNUSSUQIpid +RtLByZ5OGy4sDjjzGiVoHKZaBeYei0i/mJZ0PmnK6bV4pQa81QBeCQryJ3pS/C3V +seq0iWEk8xoT26nPUu0MJLq5nux+AHT6k61sKZKuUbS701e/s/OojZz0JEsq1pme +9J7+wH5COucLlVPat2gOkEz7cD+PSiyU8ybdY2mplNgQTsVHCJCZGxdNuWxu72CV +EY4hgLW9oHPY0LJ3xEXqWib7ZnZ2+AYfYW0PVcWDtxBWcgYHpfOxGgMFZA6dWorW +hnAbJN7+KIor0Gqw/Hqi3LJ5DotlDwIDAQABo2MwYTAdBgNVHQ4EFgQU7mtJPHo/ +DeOxCbeKyKsZn3MzUOcwHwYDVR0jBBgwFoAU7mtJPHo/DeOxCbeKyKsZn3MzUOcw +DwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYwDQYJKoZIhvcNAQELBQAD +ggEBACUY1JGPE+6PHh0RU9otRCkZoB5rMZ5NDp6tPVxBb5UrJKF5mDo4Nvu7Zp5I +/5CQ7z3UuJu0h3U/IJvOcs+hVcFNZKIZBqEHMwwLKeXx6quj7LUKdJDHfXLy11yf +ke+Ri7fc7Waiz45mO7yfOgLgJ90WmMCV1Aqk5IGadZQ1nJBfiDcGrVmVCrDRZ9MZ +yonnMlo2HD6CqFqTvsbQZJG2z9m2GM/bftJlo6bEjhcxwft+dtvTheNYsnd6djts +L1Ac59v2Z3kf9YKVmgenFK+P3CghZwnS1k1aHBkcjndcw5QkPTJrS37UeJSDvjdN +zl/HHk484IkzlQsPpTLWPFp5LBk= +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor RootCert CA-2 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor RootCert CA-2" +# Serial: 2711694510199101698 +# MD5 Fingerprint: a2:e1:f8:18:0b:ba:45:d5:c7:41:2a:bb:37:52:45:64 +# SHA1 Fingerprint: b8:be:6d:cb:56:f1:55:b9:63:d4:12:ca:4e:06:34:c7:94:b2:1c:c0 +# SHA256 Fingerprint: 07:53:e9:40:37:8c:1b:d5:e3:83:6e:39:5d:ae:a5:cb:83:9e:50:46:f1:bd:0e:ae:19:51:cf:10:fe:c7:c9:65 +-----BEGIN CERTIFICATE----- +MIIGLzCCBBegAwIBAgIIJaHfyjPLWQIwDQYJKoZIhvcNAQELBQAwgaQxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEfMB0GA1UEAwwWVHJ1c3RDb3Ig +Um9vdENlcnQgQ0EtMjAeFw0xNjAyMDQxMjMyMjNaFw0zNDEyMzExNzI2MzlaMIGk +MQswCQYDVQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEg +Q2l0eTEkMCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYD +VQQLDB5UcnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxHzAdBgNVBAMMFlRy +dXN0Q29yIFJvb3RDZXJ0IENBLTIwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK +AoICAQCnIG7CKqJiJJWQdsg4foDSq8GbZQWU9MEKENUCrO2fk8eHyLAnK0IMPQo+ +QVqedd2NyuCb7GgypGmSaIwLgQ5WoD4a3SwlFIIvl9NkRvRUqdw6VC0xK5mC8tkq +1+9xALgxpL56JAfDQiDyitSSBBtlVkxs1Pu2YVpHI7TYabS3OtB0PAx1oYxOdqHp +2yqlO/rOsP9+aij9JxzIsekp8VduZLTQwRVtDr4uDkbIXvRR/u8OYzo7cbrPb1nK +DOObXUm4TOJXsZiKQlecdu/vvdFoqNL0Cbt3Nb4lggjEFixEIFapRBF37120Hape +az6LMvYHL1cEksr1/p3C6eizjkxLAjHZ5DxIgif3GIJ2SDpxsROhOdUuxTTCHWKF +3wP+TfSvPd9cW436cOGlfifHhi5qjxLGhF5DUVCcGZt45vz27Ud+ez1m7xMTiF88 +oWP7+ayHNZ/zgp6kPwqcMWmLmaSISo5uZk3vFsQPeSghYA2FFn3XVDjxklb9tTNM +g9zXEJ9L/cb4Qr26fHMC4P99zVvh1Kxhe1fVSntb1IVYJ12/+CtgrKAmrhQhJ8Z3 +mjOAPF5GP/fDsaOGM8boXg25NSyqRsGFAnWAoOsk+xWq5Gd/bnc/9ASKL3x74xdh +8N0JqSDIvgmk0H5Ew7IwSjiqqewYmgeCK9u4nBit2uBGF6zPXQIDAQABo2MwYTAd +BgNVHQ4EFgQU2f4hQG6UnrybPZx9mCAZ5YwwYrIwHwYDVR0jBBgwFoAU2f4hQG6U +nrybPZx9mCAZ5YwwYrIwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMCAYYw +DQYJKoZIhvcNAQELBQADggIBAJ5Fngw7tu/hOsh80QA9z+LqBrWyOrsGS2h60COX +dKcs8AjYeVrXWoSK2BKaG9l9XE1wxaX5q+WjiYndAfrs3fnpkpfbsEZC89NiqpX+ +MWcUaViQCqoL7jcjx1BRtPV+nuN79+TMQjItSQzL/0kMmx40/W5ulop5A7Zv2wnL +/V9lFDfhOPXzYRZY5LVtDQsEGz9QLX+zx3oaFoBg+Iof6Rsqxvm6ARppv9JYx1RX +CI/hOWB3S6xZhBqI8d3LT3jX5+EzLfzuQfogsL7L9ziUwOHQhQ+77Sxzq+3+knYa +ZH9bDTMJBzN7Bj8RpFxwPIXAz+OQqIN3+tvmxYxoZxBnpVIt8MSZj3+/0WvitUfW +2dCFmU2Umw9Lje4AWkcdEQOsQRivh7dvDDqPys/cA8GiCcjl/YBeyGBCARsaU1q7 +N6a3vLqE6R5sGtRk2tRD/pOLS/IseRYQ1JMLiI+h2IYURpFHmygk71dSTlxCnKr3 +Sewn6EAes6aJInKc9Q0ztFijMDvd1GpUk74aTfOTlPf8hAs/hCBcNANExdqtvArB +As8e5ZTZ845b2EzwnexhF7sUMlQMAimTHpKG9n/v55IFDlndmQguLvqcAFLTxWYp +5KeXRKQOKIETNcX2b2TmQcTVL8w0RSXPQQCWPUouwpaYT05KnJe32x+SMsj/D1Fu +1uwJ +-----END CERTIFICATE----- + +# Issuer: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Subject: CN=TrustCor ECA-1 O=TrustCor Systems S. de R.L. OU=TrustCor Certificate Authority +# Label: "TrustCor ECA-1" +# Serial: 9548242946988625984 +# MD5 Fingerprint: 27:92:23:1d:0a:f5:40:7c:e9:e6:6b:9d:d8:f5:e7:6c +# SHA1 Fingerprint: 58:d1:df:95:95:67:6b:63:c0:f0:5b:1c:17:4d:8b:84:0b:c8:78:bd +# SHA256 Fingerprint: 5a:88:5d:b1:9c:01:d9:12:c5:75:93:88:93:8c:af:bb:df:03:1a:b2:d4:8e:91:ee:15:58:9b:42:97:1d:03:9c +-----BEGIN CERTIFICATE----- +MIIEIDCCAwigAwIBAgIJAISCLF8cYtBAMA0GCSqGSIb3DQEBCwUAMIGcMQswCQYD +VQQGEwJQQTEPMA0GA1UECAwGUGFuYW1hMRQwEgYDVQQHDAtQYW5hbWEgQ2l0eTEk +MCIGA1UECgwbVHJ1c3RDb3IgU3lzdGVtcyBTLiBkZSBSLkwuMScwJQYDVQQLDB5U +cnVzdENvciBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkxFzAVBgNVBAMMDlRydXN0Q29y +IEVDQS0xMB4XDTE2MDIwNDEyMzIzM1oXDTI5MTIzMTE3MjgwN1owgZwxCzAJBgNV +BAYTAlBBMQ8wDQYDVQQIDAZQYW5hbWExFDASBgNVBAcMC1BhbmFtYSBDaXR5MSQw +IgYDVQQKDBtUcnVzdENvciBTeXN0ZW1zIFMuIGRlIFIuTC4xJzAlBgNVBAsMHlRy +dXN0Q29yIENlcnRpZmljYXRlIEF1dGhvcml0eTEXMBUGA1UEAwwOVHJ1c3RDb3Ig +RUNBLTEwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDPj+ARtZ+odnbb 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Certification Authority RSA O=SSL Corporation +# Label: "SSL.com Root Certification Authority RSA" +# Serial: 8875640296558310041 +# MD5 Fingerprint: 86:69:12:c0:70:f1:ec:ac:ac:c2:d5:bc:a5:5b:a1:29 +# SHA1 Fingerprint: b7:ab:33:08:d1:ea:44:77:ba:14:80:12:5a:6f:bd:a9:36:49:0c:bb +# SHA256 Fingerprint: 85:66:6a:56:2e:e0:be:5c:e9:25:c1:d8:89:0a:6f:76:a8:7e:c1:6d:4d:7d:5f:29:ea:74:19:cf:20:12:3b:69 +-----BEGIN CERTIFICATE----- +MIIF3TCCA8WgAwIBAgIIeyyb0xaAMpkwDQYJKoZIhvcNAQELBQAwfDELMAkGA1UE +BhMCVVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQK +DA9TU0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBSU0EwHhcNMTYwMjEyMTczOTM5WhcNNDEwMjEyMTcz +OTM5WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNv +bSBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IFJTQTCCAiIwDQYJKoZIhvcN +AQEBBQADggIPADCCAgoCggIBAPkP3aMrfcvQKv7sZ4Wm5y4bunfh4/WvpOz6Sl2R 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34:17:bb:06:cc:60:07:da:1b:96:1c:92:0b:8a:b4:ce:3f:ad:82:0e:4a:a3:0b:9a:cb:c4:a7:4e:bd:ce:bc:65 +-----BEGIN CERTIFICATE----- +MIICjTCCAhSgAwIBAgIIdebfy8FoW6gwCgYIKoZIzj0EAwIwfDELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xMTAvBgNVBAMMKFNTTC5jb20gUm9vdCBDZXJ0aWZpY2F0 +aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNDAzWhcNNDEwMjEyMTgxNDAz +WjB8MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hvdXN0 +b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjExMC8GA1UEAwwoU1NMLmNvbSBS +b290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49AgEGBSuB +BAAiA2IABEVuqVDEpiM2nl8ojRfLliJkP9x6jh3MCLOicSS6jkm5BBtHllirLZXI +7Z4INcgn64mMU1jrYor+8FsPazFSY0E7ic3s7LaNGdM0B9y7xgZ/wkWV7Mt/qCPg +CemB+vNH06NjMGEwHQYDVR0OBBYEFILRhXMw5zUE044CkvvlpNHEIejNMA8GA1Ud +EwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAUgtGFczDnNQTTjgKS++Wk0cQh6M0wDgYD +VR0PAQH/BAQDAgGGMAoGCCqGSM49BAMCA2cAMGQCMG/n61kRpGDPYbCWe+0F+S8T +kdzt5fxQaxFGRrMcIQBiu77D5+jNB5n5DQtdcj7EqgIwH7y6C+IwJPt8bYBVCpk+ 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Authority ECC" +# Serial: 3182246526754555285 +# MD5 Fingerprint: 59:53:22:65:83:42:01:54:c0:ce:42:b9:5a:7c:f2:90 +# SHA1 Fingerprint: 4c:dd:51:a3:d1:f5:20:32:14:b0:c6:c5:32:23:03:91:c7:46:42:6d +# SHA256 Fingerprint: 22:a2:c1:f7:bd:ed:70:4c:c1:e7:01:b5:f4:08:c3:10:88:0f:e9:56:b5:de:2a:4a:44:f9:9c:87:3a:25:a7:c8 +-----BEGIN CERTIFICATE----- +MIIClDCCAhqgAwIBAgIILCmcWxbtBZUwCgYIKoZIzj0EAwIwfzELMAkGA1UEBhMC +VVMxDjAMBgNVBAgMBVRleGFzMRAwDgYDVQQHDAdIb3VzdG9uMRgwFgYDVQQKDA9T +U0wgQ29ycG9yYXRpb24xNDAyBgNVBAMMK1NTTC5jb20gRVYgUm9vdCBDZXJ0aWZp +Y2F0aW9uIEF1dGhvcml0eSBFQ0MwHhcNMTYwMjEyMTgxNTIzWhcNNDEwMjEyMTgx +NTIzWjB/MQswCQYDVQQGEwJVUzEOMAwGA1UECAwFVGV4YXMxEDAOBgNVBAcMB0hv +dXN0b24xGDAWBgNVBAoMD1NTTCBDb3Jwb3JhdGlvbjE0MDIGA1UEAwwrU1NMLmNv +bSBFViBSb290IENlcnRpZmljYXRpb24gQXV0aG9yaXR5IEVDQzB2MBAGByqGSM49 +AgEGBSuBBAAiA2IABKoSR5CYG/vvw0AHgyBO8TCCogbR8pKGYfL2IWjKAMTH6kMA +VIbc/R/fALhBYlzccBYy3h+Z1MzFB8gIH2EWB1E9fVwHU+M1OIzfzZ/ZLg1Kthku 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OU=OISTE Foundation Endorsed +# Label: "OISTE WISeKey Global Root GC CA" +# Serial: 44084345621038548146064804565436152554 +# MD5 Fingerprint: a9:d6:b9:2d:2f:93:64:f8:a5:69:ca:91:e9:68:07:23 +# SHA1 Fingerprint: e0:11:84:5e:34:de:be:88:81:b9:9c:f6:16:26:d1:96:1f:c3:b9:31 +# SHA256 Fingerprint: 85:60:f9:1c:36:24:da:ba:95:70:b5:fe:a0:db:e3:6f:f1:1a:83:23:be:94:86:85:4f:b3:f3:4a:55:71:19:8d +-----BEGIN CERTIFICATE----- +MIICaTCCAe+gAwIBAgIQISpWDK7aDKtARb8roi066jAKBggqhkjOPQQDAzBtMQsw +CQYDVQQGEwJDSDEQMA4GA1UEChMHV0lTZUtleTEiMCAGA1UECxMZT0lTVEUgRm91 +bmRhdGlvbiBFbmRvcnNlZDEoMCYGA1UEAxMfT0lTVEUgV0lTZUtleSBHbG9iYWwg +Um9vdCBHQyBDQTAeFw0xNzA1MDkwOTQ4MzRaFw00MjA1MDkwOTU4MzNaMG0xCzAJ +BgNVBAYTAkNIMRAwDgYDVQQKEwdXSVNlS2V5MSIwIAYDVQQLExlPSVNURSBGb3Vu +ZGF0aW9uIEVuZG9yc2VkMSgwJgYDVQQDEx9PSVNURSBXSVNlS2V5IEdsb2JhbCBS +b290IEdDIENBMHYwEAYHKoZIzj0CAQYFK4EEACIDYgAETOlQwMYPchi82PG6s4ni +eUqjFqdrVCTbUf/q9Akkwwsin8tqJ4KBDdLArzHkdIJuyiXZjHWd8dvQmqJLIX4W 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269714418870597844693661054334862075617 +# MD5 Fingerprint: 0e:5c:30:62:27:eb:5b:bc:d7:ae:62:ba:e9:d5:df:77 +# SHA1 Fingerprint: 2d:0d:52:14:ff:9e:ad:99:24:01:74:20:47:6e:6c:85:27:27:f5:43 +# SHA256 Fingerprint: d4:8d:3d:23:ee:db:50:a4:59:e5:51:97:60:1c:27:77:4b:9d:7b:18:c9:4d:5a:05:95:11:a1:02:50:b9:31:68 +-----BEGIN CERTIFICATE----- +MIIGWzCCBEOgAwIBAgIRAMrpG4nxVQMNo+ZBbcTjpuEwDQYJKoZIhvcNAQELBQAw +WjELMAkGA1UEBhMCRlIxEjAQBgNVBAoMCURoaW15b3RpczEcMBoGA1UECwwTMDAw +MiA0ODE0NjMwODEwMDAzNjEZMBcGA1UEAwwQQ2VydGlnbmEgUm9vdCBDQTAeFw0x +MzEwMDEwODMyMjdaFw0zMzEwMDEwODMyMjdaMFoxCzAJBgNVBAYTAkZSMRIwEAYD +VQQKDAlEaGlteW90aXMxHDAaBgNVBAsMEzAwMDIgNDgxNDYzMDgxMDAwMzYxGTAX +BgNVBAMMEENlcnRpZ25hIFJvb3QgQ0EwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw +ggIKAoICAQDNGDllGlmx6mQWDoyUJJV8g9PFOSbcDO8WV43X2KyjQn+Cyu3NW9sO +ty3tRQgXstmzy9YXUnIo245Onoq2C/mehJpNdt4iKVzSs9IGPjA5qXSjklYcoW9M +CiBtnyN6tMbaLOQdLNyzKNAT8kxOAkmhVECe5uUFoC2EyP+YbNDrihqECB63aCPu +I9Vwzm1RaRDuoXrC0SIxwoKF0vJVdlB8JXrJhFwLrN1CTivngqIkicuQstDuI7pm 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+# SHA256 Fingerprint: 40:f6:af:03:46:a9:9a:a1:cd:1d:55:5a:4e:9c:ce:62:c7:f9:63:46:03:ee:40:66:15:83:3d:c8:c8:d0:03:67 +-----BEGIN CERTIFICATE----- +MIIDlDCCAnygAwIBAgIKMfXkYgxsWO3W2DANBgkqhkiG9w0BAQsFADBnMQswCQYD +VQQGEwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBU +ZWNobm9sb2dpZXMgTGltaXRlZDEcMBoGA1UEAxMTZW1TaWduIFJvb3QgQ0EgLSBH +MTAeFw0xODAyMTgxODMwMDBaFw00MzAyMTgxODMwMDBaMGcxCzAJBgNVBAYTAklO +MRMwEQYDVQQLEwplbVNpZ24gUEtJMSUwIwYDVQQKExxlTXVkaHJhIFRlY2hub2xv +Z2llcyBMaW1pdGVkMRwwGgYDVQQDExNlbVNpZ24gUm9vdCBDQSAtIEcxMIIBIjAN +BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAk0u76WaK7p1b1TST0Bsew+eeuGQz +f2N4aLTNLnF115sgxk0pvLZoYIr3IZpWNVrzdr3YzZr/k1ZLpVkGoZM0Kd0WNHVO +8oG0x5ZOrRkVUkr+PHB1cM2vK6sVmjM8qrOLqs1D/fXqcP/tzxE7lM5OMhbTI0Aq +d7OvPAEsbO2ZLIvZTmmYsvePQbAyeGHWDV/D+qJAkh1cF+ZwPjXnorfCYuKrpDhM +tTk1b+oDafo6VGiFbdbyL0NVHpENDtjVaqSW0RM8LHhQ6DqS0hdW5TUaQBw+jSzt +Od9C4INBdN+jzcKGYEho42kLVACL5HZpIQ15TjQIXhTCzLG3rdd8cIrHhQIDAQAB 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86:a1:ec:ba:08:9c:4a:8d:3b:be:27:34:c6:12:ba:34:1d:81:3e:04:3c:f9:e8:a8:62:cd:5c:57:a3:6b:be:6b +-----BEGIN CERTIFICATE----- +MIICTjCCAdOgAwIBAgIKPPYHqWhwDtqLhDAKBggqhkjOPQQDAzBrMQswCQYDVQQG +EwJJTjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNo +bm9sb2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0g +RzMwHhcNMTgwMjE4MTgzMDAwWhcNNDMwMjE4MTgzMDAwWjBrMQswCQYDVQQGEwJJ +TjETMBEGA1UECxMKZW1TaWduIFBLSTElMCMGA1UEChMcZU11ZGhyYSBUZWNobm9s +b2dpZXMgTGltaXRlZDEgMB4GA1UEAxMXZW1TaWduIEVDQyBSb290IENBIC0gRzMw +djAQBgcqhkjOPQIBBgUrgQQAIgNiAAQjpQy4LRL1KPOxst3iAhKAnjlfSU2fySU0 +WXTsuwYc58Byr+iuL+FBVIcUqEqy6HyC5ltqtdyzdc6LBtCGI79G1Y4PPwT01xyS +fvalY8L1X44uT6EYGQIrMgqCZH0Wk9GjQjBAMB0GA1UdDgQWBBR8XQKEE9TMipuB +zhccLikenEhjQjAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAKBggq +hkjOPQQDAwNpADBmAjEAvvNhzwIQHWSVB7gYboiFBS+DCBeQyh+KTOgNG3qxrdWB +CUfvO6wIBHxcmbHtRwfSAjEAnbpV/KlK6O3t5nYBQnvI+GDZjVGLVTv7jHvrZQnD ++JbNR6iC8hZVdyR+EhCVBCyj +-----END CERTIFICATE----- + +# Issuer: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI +# Subject: CN=emSign Root CA - C1 O=eMudhra Inc OU=emSign PKI +# Label: "emSign Root CA - C1" +# Serial: 825510296613316004955058 +# MD5 Fingerprint: d8:e3:5d:01:21:fa:78:5a:b0:df:ba:d2:ee:2a:5f:68 +# SHA1 Fingerprint: e7:2e:f1:df:fc:b2:09:28:cf:5d:d4:d5:67:37:b1:51:cb:86:4f:01 +# SHA256 Fingerprint: 12:56:09:aa:30:1d:a0:a2:49:b9:7a:82:39:cb:6a:34:21:6f:44:dc:ac:9f:39:54:b1:42:92:f2:e8:c8:60:8f +-----BEGIN CERTIFICATE----- +MIIDczCCAlugAwIBAgILAK7PALrEzzL4Q7IwDQYJKoZIhvcNAQELBQAwVjELMAkG +A1UEBhMCVVMxEzARBgNVBAsTCmVtU2lnbiBQS0kxFDASBgNVBAoTC2VNdWRocmEg +SW5jMRwwGgYDVQQDExNlbVNpZ24gUm9vdCBDQSAtIEMxMB4XDTE4MDIxODE4MzAw +MFoXDTQzMDIxODE4MzAwMFowVjELMAkGA1UEBhMCVVMxEzARBgNVBAsTCmVtU2ln +biBQS0kxFDASBgNVBAoTC2VNdWRocmEgSW5jMRwwGgYDVQQDExNlbVNpZ24gUm9v +dCBDQSAtIEMxMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz+upufGZ +BczYKCFK83M0UYRWEPWgTywS4/oTmifQz/l5GnRfHXk5/Fv4cI7gklL35CX5VIPZ +HdPIWoU/Xse2B+4+wM6ar6xWQio5JXDWv7V7Nq2s9nPczdcdioOl+yuQFTdrHCZH 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SHA1 Fingerprint: b6:af:43:c2:9b:81:53:7d:f6:ef:6b:c3:1f:1f:60:15:0c:ee:48:66 +# SHA256 Fingerprint: bc:4d:80:9b:15:18:9d:78:db:3e:1d:8c:f4:f9:72:6a:79:5d:a1:64:3c:a5:f1:35:8e:1d:db:0e:dc:0d:7e:b3 +-----BEGIN CERTIFICATE----- +MIICKzCCAbGgAwIBAgIKe3G2gla4EnycqDAKBggqhkjOPQQDAzBaMQswCQYDVQQG +EwJVUzETMBEGA1UECxMKZW1TaWduIFBLSTEUMBIGA1UEChMLZU11ZGhyYSBJbmMx +IDAeBgNVBAMTF2VtU2lnbiBFQ0MgUm9vdCBDQSAtIEMzMB4XDTE4MDIxODE4MzAw +MFoXDTQzMDIxODE4MzAwMFowWjELMAkGA1UEBhMCVVMxEzARBgNVBAsTCmVtU2ln +biBQS0kxFDASBgNVBAoTC2VNdWRocmEgSW5jMSAwHgYDVQQDExdlbVNpZ24gRUND +IFJvb3QgQ0EgLSBDMzB2MBAGByqGSM49AgEGBSuBBAAiA2IABP2lYa57JhAd6bci +MK4G9IGzsUJxlTm801Ljr6/58pc1kjZGDoeVjbk5Wum739D+yAdBPLtVb4Ojavti +sIGJAnB9SMVK4+kiVCJNk7tCDK93nCOmfddhEc5lx/h//vXyqaNCMEAwHQYDVR0O +BBYEFPtaSNCAIEDyqOkAB2kZd6fmw/TPMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB +Af8EBTADAQH/MAoGCCqGSM49BAMDA2gAMGUCMQC02C8Cif22TGK6Q04ThHK1rt0c +3ta13FaPWEBaLd4gTCKDypOofu4SQMfWh0/434UCMBwUZOR8loMRnLDRWmFLpg9J +0wD8ofzkpf9/rdcw0Md3f76BB1UwUCAU9Vc4CqgxUQ== +-----END CERTIFICATE----- + +# Issuer: CN=Hongkong Post Root CA 3 O=Hongkong Post +# Subject: CN=Hongkong Post Root CA 3 O=Hongkong Post +# Label: "Hongkong Post Root CA 3" +# Serial: 46170865288971385588281144162979347873371282084 +# MD5 Fingerprint: 11:fc:9f:bd:73:30:02:8a:fd:3f:f3:58:b9:cb:20:f0 +# SHA1 Fingerprint: 58:a2:d0:ec:20:52:81:5b:c1:f3:f8:64:02:24:4e:c2:8e:02:4b:02 +# SHA256 Fingerprint: 5a:2f:c0:3f:0c:83:b0:90:bb:fa:40:60:4b:09:88:44:6c:76:36:18:3d:f9:84:6e:17:10:1a:44:7f:b8:ef:d6 +-----BEGIN CERTIFICATE----- +MIIFzzCCA7egAwIBAgIUCBZfikyl7ADJk0DfxMauI7gcWqQwDQYJKoZIhvcNAQEL +BQAwbzELMAkGA1UEBhMCSEsxEjAQBgNVBAgTCUhvbmcgS29uZzESMBAGA1UEBxMJ +SG9uZyBLb25nMRYwFAYDVQQKEw1Ib25na29uZyBQb3N0MSAwHgYDVQQDExdIb25n +a29uZyBQb3N0IFJvb3QgQ0EgMzAeFw0xNzA2MDMwMjI5NDZaFw00MjA2MDMwMjI5 +NDZaMG8xCzAJBgNVBAYTAkhLMRIwEAYDVQQIEwlIb25nIEtvbmcxEjAQBgNVBAcT +CUhvbmcgS29uZzEWMBQGA1UEChMNSG9uZ2tvbmcgUG9zdDEgMB4GA1UEAxMXSG9u +Z2tvbmcgUG9zdCBSb290IENBIDMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK 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OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only +# Subject: CN=Entrust Root Certification Authority - G4 O=Entrust, Inc. OU=See www.entrust.net/legal-terms/(c) 2015 Entrust, Inc. - for authorized use only +# Label: "Entrust Root Certification Authority - G4" +# Serial: 289383649854506086828220374796556676440 +# MD5 Fingerprint: 89:53:f1:83:23:b7:7c:8e:05:f1:8c:71:38:4e:1f:88 +# SHA1 Fingerprint: 14:88:4e:86:26:37:b0:26:af:59:62:5c:40:77:ec:35:29:ba:96:01 +# SHA256 Fingerprint: db:35:17:d1:f6:73:2a:2d:5a:b9:7c:53:3e:c7:07:79:ee:32:70:a6:2f:b4:ac:42:38:37:24:60:e6:f0:1e:88 +-----BEGIN CERTIFICATE----- +MIIGSzCCBDOgAwIBAgIRANm1Q3+vqTkPAAAAAFVlrVgwDQYJKoZIhvcNAQELBQAw +gb4xCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQL +Ex9TZWUgd3d3LmVudHJ1c3QubmV0L2xlZ2FsLXRlcm1zMTkwNwYDVQQLEzAoYykg +MjAxNSBFbnRydXN0LCBJbmMuIC0gZm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxMjAw +BgNVBAMTKUVudHJ1c3QgUm9vdCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eSAtIEc0 +MB4XDTE1MDUyNzExMTExNloXDTM3MTIyNzExNDExNlowgb4xCzAJBgNVBAYTAlVT +MRYwFAYDVQQKEw1FbnRydXN0LCBJbmMuMSgwJgYDVQQLEx9TZWUgd3d3LmVudHJ1 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Certificate Authority 2017" +# Serial: 136839042543790627607696632466672567020 +# MD5 Fingerprint: dd:a1:03:e6:4a:93:10:d1:bf:f0:19:42:cb:fe:ed:67 +# SHA1 Fingerprint: 99:9a:64:c3:7f:f4:7d:9f:ab:95:f1:47:69:89:14:60:ee:c4:c3:c5 +# SHA256 Fingerprint: 35:8d:f3:9d:76:4a:f9:e1:b7:66:e9:c9:72:df:35:2e:e1:5c:fa:c2:27:af:6a:d1:d7:0e:8e:4a:6e:dc:ba:02 +-----BEGIN CERTIFICATE----- +MIICWTCCAd+gAwIBAgIQZvI9r4fei7FK6gxXMQHC7DAKBggqhkjOPQQDAzBlMQsw +CQYDVQQGEwJVUzEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMTYwNAYD +VQQDEy1NaWNyb3NvZnQgRUNDIFJvb3QgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IDIw +MTcwHhcNMTkxMjE4MjMwNjQ1WhcNNDIwNzE4MjMxNjA0WjBlMQswCQYDVQQGEwJV +UzEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMTYwNAYDVQQDEy1NaWNy +b3NvZnQgRUNDIFJvb3QgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IDIwMTcwdjAQBgcq +hkjOPQIBBgUrgQQAIgNiAATUvD0CQnVBEyPNgASGAlEvaqiBYgtlzPbKnR5vSmZR +ogPZnZH6thaxjG7efM3beaYvzrvOcS/lpaso7GMEZpn4+vKTEAXhgShC48Zo9OYb +hGBKia/teQ87zvH2RPUBeMCjVDBSMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8E 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"Trustwave Global ECC P384 Certification Authority" +# Serial: 2704997926503831671788816187 +# MD5 Fingerprint: ea:cf:60:c4:3b:b9:15:29:40:a1:97:ed:78:27:93:d6 +# SHA1 Fingerprint: e7:f3:a3:c8:cf:6f:c3:04:2e:6d:0e:67:32:c5:9e:68:95:0d:5e:d2 +# SHA256 Fingerprint: 55:90:38:59:c8:c0:c3:eb:b8:75:9e:ce:4e:25:57:22:5f:f5:75:8b:bd:38:eb:d4:82:76:60:1e:1b:d5:80:97 +-----BEGIN CERTIFICATE----- +MIICnTCCAiSgAwIBAgIMCL2Fl2yZJ6SAaEc7MAoGCCqGSM49BAMDMIGRMQswCQYD +VQQGEwJVUzERMA8GA1UECBMISWxsaW5vaXMxEDAOBgNVBAcTB0NoaWNhZ28xITAf +BgNVBAoTGFRydXN0d2F2ZSBIb2xkaW5ncywgSW5jLjE6MDgGA1UEAxMxVHJ1c3R3 +YXZlIEdsb2JhbCBFQ0MgUDM4NCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0x +NzA4MjMxOTM2NDNaFw00MjA4MjMxOTM2NDNaMIGRMQswCQYDVQQGEwJVUzERMA8G +A1UECBMISWxsaW5vaXMxEDAOBgNVBAcTB0NoaWNhZ28xITAfBgNVBAoTGFRydXN0 +d2F2ZSBIb2xkaW5ncywgSW5jLjE6MDgGA1UEAxMxVHJ1c3R3YXZlIEdsb2JhbCBF +Q0MgUDM4NCBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eTB2MBAGByqGSM49AgEGBSuB +BAAiA2IABGvaDXU1CDFHBa5FmVXxERMuSvgQMSOjfoPTfygIOiYaOs+Xgh+AtycJ 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+-----END CERTIFICATE----- + +# Issuer: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres +# Subject: CN=AC RAIZ FNMT-RCM SERVIDORES SEGUROS O=FNMT-RCM OU=Ceres +# Label: "AC RAIZ FNMT-RCM SERVIDORES SEGUROS" +# Serial: 131542671362353147877283741781055151509 +# MD5 Fingerprint: 19:36:9c:52:03:2f:d2:d1:bb:23:cc:dd:1e:12:55:bb +# SHA1 Fingerprint: 62:ff:d9:9e:c0:65:0d:03:ce:75:93:d2:ed:3f:2d:32:c9:e3:e5:4a +# SHA256 Fingerprint: 55:41:53:b1:3d:2c:f9:dd:b7:53:bf:be:1a:4e:0a:e0:8d:0a:a4:18:70:58:fe:60:a2:b8:62:b2:e4:b8:7b:cb +-----BEGIN CERTIFICATE----- +MIICbjCCAfOgAwIBAgIQYvYybOXE42hcG2LdnC6dlTAKBggqhkjOPQQDAzB4MQsw +CQYDVQQGEwJFUzERMA8GA1UECgwIRk5NVC1SQ00xDjAMBgNVBAsMBUNlcmVzMRgw +FgYDVQRhDA9WQVRFUy1RMjgyNjAwNEoxLDAqBgNVBAMMI0FDIFJBSVogRk5NVC1S +Q00gU0VSVklET1JFUyBTRUdVUk9TMB4XDTE4MTIyMDA5MzczM1oXDTQzMTIyMDA5 +MzczM1oweDELMAkGA1UEBhMCRVMxETAPBgNVBAoMCEZOTVQtUkNNMQ4wDAYDVQQL +DAVDZXJlczEYMBYGA1UEYQwPVkFURVMtUTI4MjYwMDRKMSwwKgYDVQQDDCNBQyBS 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CN=GlobalSign Root E46 O=GlobalSign nv-sa +# Label: "GlobalSign Root E46" +# Serial: 1552617690338932563915843282459653771421763 +# MD5 Fingerprint: b5:b8:66:ed:de:08:83:e3:c9:e2:01:34:06:ac:51:6f +# SHA1 Fingerprint: 39:b4:6c:d5:fe:80:06:eb:e2:2f:4a:bb:08:33:a0:af:db:b9:dd:84 +# SHA256 Fingerprint: cb:b9:c4:4d:84:b8:04:3e:10:50:ea:31:a6:9f:51:49:55:d7:bf:d2:e2:c6:b4:93:01:01:9a:d6:1d:9f:50:58 +-----BEGIN CERTIFICATE----- +MIICCzCCAZGgAwIBAgISEdK7ujNu1LzmJGjFDYQdmOhDMAoGCCqGSM49BAMDMEYx +CzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMRwwGgYDVQQD +ExNHbG9iYWxTaWduIFJvb3QgRTQ2MB4XDTE5MDMyMDAwMDAwMFoXDTQ2MDMyMDAw +MDAwMFowRjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2Ex +HDAaBgNVBAMTE0dsb2JhbFNpZ24gUm9vdCBFNDYwdjAQBgcqhkjOPQIBBgUrgQQA +IgNiAAScDrHPt+ieUnd1NPqlRqetMhkytAepJ8qUuwzSChDH2omwlwxwEwkBjtjq +R+q+soArzfwoDdusvKSGN+1wCAB16pMLey5SnCNoIwZD7JIvU4Tb+0cUB+hflGdd +yXqBPCCjQjBAMA4GA1UdDwEB/wQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MB0GA1Ud 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OU=Certum Certification Authority +# Subject: CN=Certum EC-384 CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Label: "Certum EC-384 CA" +# Serial: 160250656287871593594747141429395092468 +# MD5 Fingerprint: b6:65:b3:96:60:97:12:a1:ec:4e:e1:3d:a3:c6:c9:f1 +# SHA1 Fingerprint: f3:3e:78:3c:ac:df:f4:a2:cc:ac:67:55:69:56:d7:e5:16:3c:e1:ed +# SHA256 Fingerprint: 6b:32:80:85:62:53:18:aa:50:d1:73:c9:8d:8b:da:09:d5:7e:27:41:3d:11:4c:f7:87:a0:f5:d0:6c:03:0c:f6 +-----BEGIN CERTIFICATE----- +MIICZTCCAeugAwIBAgIQeI8nXIESUiClBNAt3bpz9DAKBggqhkjOPQQDAzB0MQsw +CQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEuMScw +JQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxGTAXBgNVBAMT +EENlcnR1bSBFQy0zODQgQ0EwHhcNMTgwMzI2MDcyNDU0WhcNNDMwMzI2MDcyNDU0 +WjB0MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBT +LkEuMScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxGTAX +BgNVBAMTEENlcnR1bSBFQy0zODQgQ0EwdjAQBgcqhkjOPQIBBgUrgQQAIgNiAATE +KI6rGFtqvm5kN2PkzeyrOvfMobgOgknXhimfoZTy42B4mIF4Bk3y7JoOV2CDn7Tm +Fy8as10CW4kjPMIRBSqniBMY81CE1700LCeJVf/OTOffph8oxPBUw7l8t1Ot68Kj +QjBAMA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFI0GZnQkdjrzife81r1HfS+8 +EF9LMA4GA1UdDwEB/wQEAwIBBjAKBggqhkjOPQQDAwNoADBlAjADVS2m5hjEfO/J +UG7BJw+ch69u1RsIGL2SKcHvlJF40jocVYli5RsJHrpka/F2tNQCMQC0QoSZ/6vn +nvuRlydd3LBbMHHOXjgaatkl5+r3YZJW+OraNsKHZZYuciUvf9/DE8k= +-----END CERTIFICATE----- + +# Issuer: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Subject: CN=Certum Trusted Root CA O=Asseco Data Systems S.A. OU=Certum Certification Authority +# Label: "Certum Trusted Root CA" +# Serial: 40870380103424195783807378461123655149 +# MD5 Fingerprint: 51:e1:c2:e7:fe:4c:84:af:59:0e:2f:f4:54:6f:ea:29 +# SHA1 Fingerprint: c8:83:44:c0:18:ae:9f:cc:f1:87:b7:8f:22:d1:c5:d7:45:84:ba:e5 +# SHA256 Fingerprint: fe:76:96:57:38:55:77:3e:37:a9:5e:7a:d4:d9:cc:96:c3:01:57:c1:5d:31:76:5b:a9:b1:57:04:e1:ae:78:fd +-----BEGIN CERTIFICATE----- +MIIFwDCCA6igAwIBAgIQHr9ZULjJgDdMBvfrVU+17TANBgkqhkiG9w0BAQ0FADB6 +MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEu +MScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRob3JpdHkxHzAdBgNV +BAMTFkNlcnR1bSBUcnVzdGVkIFJvb3QgQ0EwHhcNMTgwMzE2MTIxMDEzWhcNNDMw +MzE2MTIxMDEzWjB6MQswCQYDVQQGEwJQTDEhMB8GA1UEChMYQXNzZWNvIERhdGEg +U3lzdGVtcyBTLkEuMScwJQYDVQQLEx5DZXJ0dW0gQ2VydGlmaWNhdGlvbiBBdXRo +b3JpdHkxHzAdBgNVBAMTFkNlcnR1bSBUcnVzdGVkIFJvb3QgQ0EwggIiMA0GCSqG +SIb3DQEBAQUAA4ICDwAwggIKAoICAQDRLY67tzbqbTeRn06TpwXkKQMlzhyC93yZ +n0EGze2jusDbCSzBfN8pfktlL5On1AFrAygYo9idBcEq2EXxkd7fO9CAAozPOA/q +p1x4EaTByIVcJdPTsuclzxFUl6s1wB52HO8AU5853BSlLCIls3Jy/I2z5T4IHhQq +NwuIPMqw9MjCoa68wb4pZ1Xi/K1ZXP69VyywkI3C7Te2fJmItdUDmj0VDT06qKhF +8JVOJVkdzZhpu9PMMsmN74H+rX2Ju7pgE8pllWeg8xn2A1bUatMn4qGtg/BKEiJ3 +HAVz4hlxQsDsdUaakFjgao4rpUYwBI4Zshfjvqm6f1bxJAPXsiEodg42MEx51UGa +mqi4NboMOvJEGyCI98Ul1z3G4z5D3Yf+xOr1Uz5MZf87Sst4WmsXXw3Hw09Omiqi +7VdNIuJGmj8PkTQkfVXjjJU30xrwCSss0smNtA0Aq2cpKNgB9RkEth2+dv5yXMSF +ytKAQd8FqKPVhJBPC/PgP5sZ0jeJP/J7UhyM9uH3PAeXjA6iWYEMspA90+NZRu0P +qafegGtaqge2Gcu8V/OXIXoMsSt0Puvap2ctTMSYnjYJdmZm/Bo/6khUHL4wvYBQ +v3y1zgD2DGHZ5yQD4OMBgQ692IU0iL2yNqh7XAjlRICMb/gv1SHKHRzQ+8S1h9E6 +Tsd2tTVItQIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MB0GA1UdDgQWBBSM+xx1 +vALTn04uSNn5YFSqxLNP+jAOBgNVHQ8BAf8EBAMCAQYwDQYJKoZIhvcNAQENBQAD +ggIBAEii1QALLtA/vBzVtVRJHlpr9OTy4EA34MwUe7nJ+jW1dReTagVphZzNTxl4 +WxmB82M+w85bj/UvXgF2Ez8sALnNllI5SW0ETsXpD4YN4fqzX4IS8TrOZgYkNCvo +zMrnadyHncI013nR03e4qllY/p0m+jiGPp2Kh2RX5Rc64vmNueMzeMGQ2Ljdt4NR +5MTMI9UGfOZR0800McD2RrsLrfw9EAUqO0qRJe6M1ISHgCq8CYyqOhNf6DR5UMEQ +GfnTKB7U0VEwKbOukGfWHwpjscWpxkIxYxeU72nLL/qMFH3EQxiJ2fAyQOaA4kZf +5ePBAFmo+eggvIksDkc0C+pXwlM2/KfUrzHN/gLldfq5Jwn58/U7yn2fqSLLiMmq +0Uc9NneoWWRrJ8/vJ8HjJLWG965+Mk2weWjROeiQWMODvA8s1pfrzgzhIMfatz7D +P78v3DSk+yshzWePS/Tj6tQ/50+6uaWTRRxmHyH6ZF5v4HaUMst19W7l9o/HuKTM +qJZ9ZPskWkoDbGs4xugDQ5r3V7mzKWmTOPQD8rv7gmsHINFSH5pkAnuYZttcTVoP +0ISVoDwUQwbKytu4QTbaakRnh6+v40URFWkIsr4WOZckbxJF0WddCajJFdr60qZf +E2Efv4WstK2tBZQIgx51F9NxO5NQI1mg7TyRVJ12AMXDuDjb +-----END CERTIFICATE----- diff --git a/backend/mb-env/lib/python3.9/site-packages/certifi/core.py b/backend/mb-env/lib/python3.9/site-packages/certifi/core.py new file mode 100644 index 0000000..5d2b8cd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/certifi/core.py @@ -0,0 +1,60 @@ +# -*- coding: utf-8 -*- + +""" +certifi.py +~~~~~~~~~~ + +This module returns the installation location of cacert.pem or its contents. +""" +import os + +try: + from importlib.resources import path as get_path, read_text + + _CACERT_CTX = None + _CACERT_PATH = None + + def where(): + # This is slightly terrible, but we want to delay extracting the file + # in cases where we're inside of a zipimport situation until someone + # actually calls where(), but we don't want to re-extract the file + # on every call of where(), so we'll do it once then store it in a + # global variable. + global _CACERT_CTX + global _CACERT_PATH + if _CACERT_PATH is None: + # This is slightly janky, the importlib.resources API wants you to + # manage the cleanup of this file, so it doesn't actually return a + # path, it returns a context manager that will give you the path + # when you enter it and will do any cleanup when you leave it. In + # the common case of not needing a temporary file, it will just + # return the file system location and the __exit__() is a no-op. + # + # We also have to hold onto the actual context manager, because + # it will do the cleanup whenever it gets garbage collected, so + # we will also store that at the global level as well. + _CACERT_CTX = get_path("certifi", "cacert.pem") + _CACERT_PATH = str(_CACERT_CTX.__enter__()) + + return _CACERT_PATH + + +except ImportError: + # This fallback will work for Python versions prior to 3.7 that lack the + # importlib.resources module but relies on the existing `where` function + # so won't address issues with environments like PyOxidizer that don't set + # __file__ on modules. + def read_text(_module, _path, encoding="ascii"): + with open(where(), "r", encoding=encoding) as data: + return data.read() + + # If we don't have importlib.resources, then we will just do the old logic + # of assuming we're on the filesystem and munge the path directly. + def where(): + f = os.path.dirname(__file__) + + return os.path.join(f, "cacert.pem") + + +def contents(): + return read_text("certifi", "cacert.pem", encoding="ascii") diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/LICENSE new file mode 100644 index 0000000..29225ee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/LICENSE @@ -0,0 +1,26 @@ + +Except when otherwise stated (look for LICENSE files in directories or +information at the beginning of each file) all software and +documentation is licensed as follows: + + The MIT License + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without + restriction, including without limitation the rights to use, + copy, modify, merge, publish, distribute, sublicense, and/or + sell copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/METADATA new file mode 100644 index 0000000..eb89ffb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/METADATA @@ -0,0 +1,37 @@ +Metadata-Version: 2.1 +Name: cffi +Version: 1.14.6 +Summary: Foreign Function Interface for Python calling C code. +Home-page: http://cffi.readthedocs.org +Author: Armin Rigo, Maciej Fijalkowski +Author-email: python-cffi@googlegroups.com +License: MIT +Platform: UNKNOWN +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.2 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: License :: OSI Approved :: MIT License +Requires-Dist: pycparser + + +CFFI +==== + +Foreign Function Interface for Python calling C code. +Please see the `Documentation `_. + +Contact +------- + +`Mailing list `_ + + diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/RECORD new file mode 100644 index 0000000..b319859 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/RECORD @@ -0,0 +1,46 @@ +_cffi_backend.cpython-39-x86_64-linux-gnu.so,sha256=y2qCNbuzsho4P2V-kP6-r_SHMnIwnagSTF5JuTPVXig,864608 +cffi-1.14.6.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +cffi-1.14.6.dist-info/LICENSE,sha256=BLgPWwd7vtaICM_rreteNSPyqMmpZJXFh72W3x6sKjM,1294 +cffi-1.14.6.dist-info/METADATA,sha256=iARP_3-zijWu2wMTGLxBjOvhLauXbXbudMbvCUaPKrI,1191 +cffi-1.14.6.dist-info/RECORD,, +cffi-1.14.6.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +cffi-1.14.6.dist-info/WHEEL,sha256=ieuC8Vv7a4Lxq8jfQJ-x1beMvjYNP_LKilYokdMTB0U,108 +cffi-1.14.6.dist-info/entry_points.txt,sha256=Q9f5C9IpjYxo0d2PK9eUcnkgxHc9pHWwjEMaANPKNCI,76 +cffi-1.14.6.dist-info/top_level.txt,sha256=rE7WR3rZfNKxWI9-jn6hsHCAl7MDkB-FmuQbxWjFehQ,19 +cffi.libs/libffi-c643fa1a.so.6.0.4,sha256=SY2G7oIZS0SDTuuVA-uAVvT6c0Y2XSLnigJXs0qQe9E,46632 +cffi/__init__.py,sha256=NA0pHhgaFjmy_BTKXzjyGpWDII0VXd3WeSknY8pl7R4,513 +cffi/__pycache__/__init__.cpython-39.pyc,, +cffi/__pycache__/api.cpython-39.pyc,, +cffi/__pycache__/backend_ctypes.cpython-39.pyc,, +cffi/__pycache__/cffi_opcode.cpython-39.pyc,, +cffi/__pycache__/commontypes.cpython-39.pyc,, +cffi/__pycache__/cparser.cpython-39.pyc,, +cffi/__pycache__/error.cpython-39.pyc,, +cffi/__pycache__/ffiplatform.cpython-39.pyc,, +cffi/__pycache__/lock.cpython-39.pyc,, +cffi/__pycache__/model.cpython-39.pyc,, +cffi/__pycache__/pkgconfig.cpython-39.pyc,, +cffi/__pycache__/recompiler.cpython-39.pyc,, +cffi/__pycache__/setuptools_ext.cpython-39.pyc,, +cffi/__pycache__/vengine_cpy.cpython-39.pyc,, +cffi/__pycache__/vengine_gen.cpython-39.pyc,, +cffi/__pycache__/verifier.cpython-39.pyc,, +cffi/_cffi_errors.h,sha256=zQXt7uR_m8gUW-fI2hJg0KoSkJFwXv8RGUkEDZ177dQ,3908 +cffi/_cffi_include.h,sha256=tKnA1rdSoPHp23FnDL1mDGwFo-Uj6fXfA6vA6kcoEUc,14800 +cffi/_embedding.h,sha256=Gwy1z1tLIvf9dI4VidLzS8yw8L9PNngKJr1BjXCTQvE,17581 +cffi/api.py,sha256=yxJalIePbr1mz_WxAHokSwyP5CVYde44m-nolHnbJNo,42064 +cffi/backend_ctypes.py,sha256=h5ZIzLc6BFVXnGyc9xPqZWUS7qGy7yFSDqXe68Sa8z4,42454 +cffi/cffi_opcode.py,sha256=v9RdD_ovA8rCtqsC95Ivki5V667rAOhGgs3fb2q9xpM,5724 +cffi/commontypes.py,sha256=QS4uxCDI7JhtTyjh1hlnCA-gynmaszWxJaRRLGkJa1A,2689 +cffi/cparser.py,sha256=rO_1pELRw1gI1DE1m4gi2ik5JMfpxouAACLXpRPlVEA,44231 +cffi/error.py,sha256=v6xTiS4U0kvDcy4h_BDRo5v39ZQuj-IMRYLv5ETddZs,877 +cffi/ffiplatform.py,sha256=HMXqR8ks2wtdsNxGaWpQ_PyqIvtiuos_vf1qKCy-cwg,4046 +cffi/lock.py,sha256=l9TTdwMIMpi6jDkJGnQgE9cvTIR7CAntIJr8EGHt3pY,747 +cffi/model.py,sha256=_GH_UF1Rn9vC4AvmgJm6qj7RUXXG3eqKPc8bPxxyBKE,21768 +cffi/parse_c_type.h,sha256=OdwQfwM9ktq6vlCB43exFQmxDBtj2MBNdK8LYl15tjw,5976 +cffi/pkgconfig.py,sha256=LP1w7vmWvmKwyqLaU1Z243FOWGNQMrgMUZrvgFuOlco,4374 +cffi/recompiler.py,sha256=7OBdKr0dAzRnEbgQvjCAikoFAygjTvitaJHdRGc1k24,64568 +cffi/setuptools_ext.py,sha256=RUR17N5f8gpiQBBlXL34P9FtOu1mhHIaAf3WJlg5S4I,8931 +cffi/vengine_cpy.py,sha256=YglN8YS-UaHEv2k2cxgotNWE87dHX20-68EyKoiKUYA,43320 +cffi/vengine_gen.py,sha256=5dX7s1DU6pTBOMI6oTVn_8Bnmru_lj932B6b4v29Hlg,26684 +cffi/verifier.py,sha256=ESwuXWXtXrKEagCKveLRDjFzLNCyaKdqAgAlKREcyhY,11253 diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/WHEEL new file mode 100644 index 0000000..3018b82 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: false +Tag: cp39-cp39-manylinux1_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/entry_points.txt new file mode 100644 index 0000000..eee7e0f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[distutils.setup_keywords] +cffi_modules = cffi.setuptools_ext:cffi_modules + diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/top_level.txt new file mode 100644 index 0000000..f645779 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi-1.14.6.dist-info/top_level.txt @@ -0,0 +1,2 @@ +_cffi_backend +cffi diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi.libs/libffi-c643fa1a.so.6.0.4 b/backend/mb-env/lib/python3.9/site-packages/cffi.libs/libffi-c643fa1a.so.6.0.4 new file mode 100755 index 0000000..80892d4 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/cffi.libs/libffi-c643fa1a.so.6.0.4 differ diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cffi/__init__.py new file mode 100644 index 0000000..cdc26f0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/__init__.py @@ -0,0 +1,14 @@ +__all__ = ['FFI', 'VerificationError', 'VerificationMissing', 'CDefError', + 'FFIError'] + +from .api import FFI +from .error import CDefError, FFIError, VerificationError, VerificationMissing +from .error import PkgConfigError + +__version__ = "1.14.6" +__version_info__ = (1, 14, 6) + +# The verifier module file names are based on the CRC32 of a string that +# contains the following version number. It may be older than __version__ +# if nothing is clearly incompatible. +__version_verifier_modules__ = "0.8.6" diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_errors.h b/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_errors.h new file mode 100644 index 0000000..158e059 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_errors.h @@ -0,0 +1,149 @@ +#ifndef CFFI_MESSAGEBOX +# ifdef _MSC_VER +# define CFFI_MESSAGEBOX 1 +# else +# define CFFI_MESSAGEBOX 0 +# endif +#endif + + +#if CFFI_MESSAGEBOX +/* Windows only: logic to take the Python-CFFI embedding logic + initialization errors and display them in a background thread + with MessageBox. The idea is that if the whole program closes + as a result of this problem, then likely it is already a console + program and you can read the stderr output in the console too. + If it is not a console program, then it will likely show its own + dialog to complain, or generally not abruptly close, and for this + case the background thread should stay alive. +*/ +static void *volatile _cffi_bootstrap_text; + +static PyObject *_cffi_start_error_capture(void) +{ + PyObject *result = NULL; + PyObject *x, *m, *bi; + + if (InterlockedCompareExchangePointer(&_cffi_bootstrap_text, + (void *)1, NULL) != NULL) + return (PyObject *)1; + + m = PyImport_AddModule("_cffi_error_capture"); + if (m == NULL) + goto error; + + result = PyModule_GetDict(m); + if (result == NULL) + goto error; + +#if PY_MAJOR_VERSION >= 3 + bi = PyImport_ImportModule("builtins"); +#else + bi = PyImport_ImportModule("__builtin__"); +#endif + if (bi == NULL) + goto error; + PyDict_SetItemString(result, "__builtins__", bi); + Py_DECREF(bi); + + x = PyRun_String( + "import sys\n" + "class FileLike:\n" + " def write(self, x):\n" + " try:\n" + " of.write(x)\n" + " except: pass\n" + " self.buf += x\n" + " def flush(self):\n" + " pass\n" + "fl = FileLike()\n" + "fl.buf = ''\n" + "of = sys.stderr\n" + "sys.stderr = fl\n" + "def done():\n" + " sys.stderr = of\n" + " return fl.buf\n", /* make sure the returned value stays alive */ + Py_file_input, + result, result); + Py_XDECREF(x); + + error: + if (PyErr_Occurred()) + { + PyErr_WriteUnraisable(Py_None); + PyErr_Clear(); + } + return result; +} + +#pragma comment(lib, "user32.lib") + +static DWORD WINAPI _cffi_bootstrap_dialog(LPVOID ignored) +{ + Sleep(666); /* may be interrupted if the whole process is closing */ +#if PY_MAJOR_VERSION >= 3 + MessageBoxW(NULL, (wchar_t *)_cffi_bootstrap_text, + L"Python-CFFI error", + MB_OK | MB_ICONERROR); +#else + MessageBoxA(NULL, (char *)_cffi_bootstrap_text, + "Python-CFFI error", + MB_OK | MB_ICONERROR); +#endif + _cffi_bootstrap_text = NULL; + return 0; +} + +static void _cffi_stop_error_capture(PyObject *ecap) +{ + PyObject *s; + void *text; + + if (ecap == (PyObject *)1) + return; + + if (ecap == NULL) + goto error; + + s = PyRun_String("done()", Py_eval_input, ecap, ecap); + if (s == NULL) + goto error; + + /* Show a dialog box, but in a background thread, and + never show multiple dialog boxes at once. */ +#if PY_MAJOR_VERSION >= 3 + text = PyUnicode_AsWideCharString(s, NULL); +#else + text = PyString_AsString(s); +#endif + + _cffi_bootstrap_text = text; + + if (text != NULL) + { + HANDLE h; + h = CreateThread(NULL, 0, _cffi_bootstrap_dialog, + NULL, 0, NULL); + if (h != NULL) + CloseHandle(h); + } + /* decref the string, but it should stay alive as 'fl.buf' + in the small module above. It will really be freed only if + we later get another similar error. So it's a leak of at + most one copy of the small module. That's fine for this + situation which is usually a "fatal error" anyway. */ + Py_DECREF(s); + PyErr_Clear(); + return; + + error: + _cffi_bootstrap_text = NULL; + PyErr_Clear(); +} + +#else + +static PyObject *_cffi_start_error_capture(void) { return NULL; } +static void _cffi_stop_error_capture(PyObject *ecap) { } + +#endif diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_include.h b/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_include.h new file mode 100644 index 0000000..e4c0a67 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/_cffi_include.h @@ -0,0 +1,385 @@ +#define _CFFI_ + +/* We try to define Py_LIMITED_API before including Python.h. + + Mess: we can only define it if Py_DEBUG, Py_TRACE_REFS and + Py_REF_DEBUG are not defined. This is a best-effort approximation: + we can learn about Py_DEBUG from pyconfig.h, but it is unclear if + the same works for the other two macros. Py_DEBUG implies them, + but not the other way around. + + The implementation is messy (issue #350): on Windows, with _MSC_VER, + we have to define Py_LIMITED_API even before including pyconfig.h. + In that case, we guess what pyconfig.h will do to the macros above, + and check our guess after the #include. + + Note that on Windows, with CPython 3.x, you need >= 3.5 and virtualenv + version >= 16.0.0. With older versions of either, you don't get a + copy of PYTHON3.DLL in the virtualenv. We can't check the version of + CPython *before* we even include pyconfig.h. ffi.set_source() puts + a ``#define _CFFI_NO_LIMITED_API'' at the start of this file if it is + running on Windows < 3.5, as an attempt at fixing it, but that's + arguably wrong because it may not be the target version of Python. + Still better than nothing I guess. As another workaround, you can + remove the definition of Py_LIMITED_API here. + + See also 'py_limited_api' in cffi/setuptools_ext.py. +*/ +#if !defined(_CFFI_USE_EMBEDDING) && !defined(Py_LIMITED_API) +# ifdef _MSC_VER +# if !defined(_DEBUG) && !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) +# define Py_LIMITED_API +# endif +# include + /* sanity-check: Py_LIMITED_API will cause crashes if any of these + are also defined. Normally, the Python file PC/pyconfig.h does not + cause any of these to be defined, with the exception that _DEBUG + causes Py_DEBUG. Double-check that. */ +# ifdef Py_LIMITED_API +# if defined(Py_DEBUG) +# error "pyconfig.h unexpectedly defines Py_DEBUG, but Py_LIMITED_API is set" +# endif +# if defined(Py_TRACE_REFS) +# error "pyconfig.h unexpectedly defines Py_TRACE_REFS, but Py_LIMITED_API is set" +# endif +# if defined(Py_REF_DEBUG) +# error "pyconfig.h unexpectedly defines Py_REF_DEBUG, but Py_LIMITED_API is set" +# endif +# endif +# else +# include +# if !defined(Py_DEBUG) && !defined(Py_TRACE_REFS) && !defined(Py_REF_DEBUG) && !defined(_CFFI_NO_LIMITED_API) +# define Py_LIMITED_API +# endif +# endif +#endif + +#include +#ifdef __cplusplus +extern "C" { +#endif +#include +#include "parse_c_type.h" + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +#endif + +#ifdef __GNUC__ +# define _CFFI_UNUSED_FN __attribute__((unused)) +#else +# define _CFFI_UNUSED_FN /* nothing */ +#endif + +#ifdef __cplusplus +# ifndef _Bool + typedef bool _Bool; /* semi-hackish: C++ has no _Bool; bool is builtin */ +# endif +#endif + +/********** CPython-specific section **********/ +#ifndef PYPY_VERSION + + +#if PY_MAJOR_VERSION >= 3 +# define PyInt_FromLong PyLong_FromLong +#endif + +#define _cffi_from_c_double PyFloat_FromDouble +#define _cffi_from_c_float PyFloat_FromDouble +#define _cffi_from_c_long PyInt_FromLong +#define _cffi_from_c_ulong PyLong_FromUnsignedLong +#define _cffi_from_c_longlong PyLong_FromLongLong +#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong +#define _cffi_from_c__Bool PyBool_FromLong + +#define _cffi_to_c_double PyFloat_AsDouble +#define _cffi_to_c_float PyFloat_AsDouble + +#define _cffi_from_c_int(x, type) \ + (((type)-1) > 0 ? /* unsigned */ \ + (sizeof(type) < sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + sizeof(type) == sizeof(long) ? \ + PyLong_FromUnsignedLong((unsigned long)x) : \ + PyLong_FromUnsignedLongLong((unsigned long long)x)) : \ + (sizeof(type) <= sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + PyLong_FromLongLong((long long)x))) + +#define _cffi_to_c_int(o, type) \ + ((type)( \ + sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \ + : (type)_cffi_to_c_i8(o)) : \ + sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \ + : (type)_cffi_to_c_i16(o)) : \ + sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \ + : (type)_cffi_to_c_i32(o)) : \ + sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \ + : (type)_cffi_to_c_i64(o)) : \ + (Py_FatalError("unsupported size for type " #type), (type)0))) + +#define _cffi_to_c_i8 \ + ((int(*)(PyObject *))_cffi_exports[1]) +#define _cffi_to_c_u8 \ + ((int(*)(PyObject *))_cffi_exports[2]) +#define _cffi_to_c_i16 \ + ((int(*)(PyObject *))_cffi_exports[3]) +#define _cffi_to_c_u16 \ + ((int(*)(PyObject *))_cffi_exports[4]) +#define _cffi_to_c_i32 \ + ((int(*)(PyObject *))_cffi_exports[5]) +#define _cffi_to_c_u32 \ + ((unsigned int(*)(PyObject *))_cffi_exports[6]) +#define _cffi_to_c_i64 \ + ((long long(*)(PyObject *))_cffi_exports[7]) +#define _cffi_to_c_u64 \ + ((unsigned long long(*)(PyObject *))_cffi_exports[8]) +#define _cffi_to_c_char \ + ((int(*)(PyObject *))_cffi_exports[9]) +#define _cffi_from_c_pointer \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[10]) +#define _cffi_to_c_pointer \ + ((char *(*)(PyObject *, struct _cffi_ctypedescr *))_cffi_exports[11]) +#define _cffi_get_struct_layout \ + not used any more +#define _cffi_restore_errno \ + ((void(*)(void))_cffi_exports[13]) +#define _cffi_save_errno \ + ((void(*)(void))_cffi_exports[14]) +#define _cffi_from_c_char \ + ((PyObject *(*)(char))_cffi_exports[15]) +#define _cffi_from_c_deref \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[16]) +#define _cffi_to_c \ + ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[17]) +#define _cffi_from_c_struct \ + ((PyObject *(*)(char *, struct _cffi_ctypedescr *))_cffi_exports[18]) +#define _cffi_to_c_wchar_t \ + ((_cffi_wchar_t(*)(PyObject *))_cffi_exports[19]) +#define _cffi_from_c_wchar_t \ + ((PyObject *(*)(_cffi_wchar_t))_cffi_exports[20]) +#define _cffi_to_c_long_double \ + ((long double(*)(PyObject *))_cffi_exports[21]) +#define _cffi_to_c__Bool \ + ((_Bool(*)(PyObject *))_cffi_exports[22]) +#define _cffi_prepare_pointer_call_argument \ + ((Py_ssize_t(*)(struct _cffi_ctypedescr *, \ + PyObject *, char **))_cffi_exports[23]) +#define _cffi_convert_array_from_object \ + ((int(*)(char *, struct _cffi_ctypedescr *, PyObject *))_cffi_exports[24]) +#define _CFFI_CPIDX 25 +#define _cffi_call_python \ + ((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[_CFFI_CPIDX]) +#define _cffi_to_c_wchar3216_t \ + ((int(*)(PyObject *))_cffi_exports[26]) +#define _cffi_from_c_wchar3216_t \ + ((PyObject *(*)(int))_cffi_exports[27]) +#define _CFFI_NUM_EXPORTS 28 + +struct _cffi_ctypedescr; + +static void *_cffi_exports[_CFFI_NUM_EXPORTS]; + +#define _cffi_type(index) ( \ + assert((((uintptr_t)_cffi_types[index]) & 1) == 0), \ + (struct _cffi_ctypedescr *)_cffi_types[index]) + +static PyObject *_cffi_init(const char *module_name, Py_ssize_t version, + const struct _cffi_type_context_s *ctx) +{ + PyObject *module, *o_arg, *new_module; + void *raw[] = { + (void *)module_name, + (void *)version, + (void *)_cffi_exports, + (void *)ctx, + }; + + module = PyImport_ImportModule("_cffi_backend"); + if (module == NULL) + goto failure; + + o_arg = PyLong_FromVoidPtr((void *)raw); + if (o_arg == NULL) + goto failure; + + new_module = PyObject_CallMethod( + module, (char *)"_init_cffi_1_0_external_module", (char *)"O", o_arg); + + Py_DECREF(o_arg); + Py_DECREF(module); + return new_module; + + failure: + Py_XDECREF(module); + return NULL; +} + + +#ifdef HAVE_WCHAR_H +typedef wchar_t _cffi_wchar_t; +#else +typedef uint16_t _cffi_wchar_t; /* same random pick as _cffi_backend.c */ +#endif + +_CFFI_UNUSED_FN static uint16_t _cffi_to_c_char16_t(PyObject *o) +{ + if (sizeof(_cffi_wchar_t) == 2) + return (uint16_t)_cffi_to_c_wchar_t(o); + else + return (uint16_t)_cffi_to_c_wchar3216_t(o); +} + +_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char16_t(uint16_t x) +{ + if (sizeof(_cffi_wchar_t) == 2) + return _cffi_from_c_wchar_t((_cffi_wchar_t)x); + else + return _cffi_from_c_wchar3216_t((int)x); +} + +_CFFI_UNUSED_FN static int _cffi_to_c_char32_t(PyObject *o) +{ + if (sizeof(_cffi_wchar_t) == 4) + return (int)_cffi_to_c_wchar_t(o); + else + return (int)_cffi_to_c_wchar3216_t(o); +} + +_CFFI_UNUSED_FN static PyObject *_cffi_from_c_char32_t(unsigned int x) +{ + if (sizeof(_cffi_wchar_t) == 4) + return _cffi_from_c_wchar_t((_cffi_wchar_t)x); + else + return _cffi_from_c_wchar3216_t((int)x); +} + +union _cffi_union_alignment_u { + unsigned char m_char; + unsigned short m_short; + unsigned int m_int; + unsigned long m_long; + unsigned long long m_longlong; + float m_float; + double m_double; + long double m_longdouble; +}; + +struct _cffi_freeme_s { + struct _cffi_freeme_s *next; + union _cffi_union_alignment_u alignment; +}; + +_CFFI_UNUSED_FN static int +_cffi_convert_array_argument(struct _cffi_ctypedescr *ctptr, PyObject *arg, + char **output_data, Py_ssize_t datasize, + struct _cffi_freeme_s **freeme) +{ + char *p; + if (datasize < 0) + return -1; + + p = *output_data; + if (p == NULL) { + struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc( + offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize); + if (fp == NULL) + return -1; + fp->next = *freeme; + *freeme = fp; + p = *output_data = (char *)&fp->alignment; + } + memset((void *)p, 0, (size_t)datasize); + return _cffi_convert_array_from_object(p, ctptr, arg); +} + +_CFFI_UNUSED_FN static void +_cffi_free_array_arguments(struct _cffi_freeme_s *freeme) +{ + do { + void *p = (void *)freeme; + freeme = freeme->next; + PyObject_Free(p); + } while (freeme != NULL); +} + +/********** end CPython-specific section **********/ +#else +_CFFI_UNUSED_FN +static void (*_cffi_call_python_org)(struct _cffi_externpy_s *, char *); +# define _cffi_call_python _cffi_call_python_org +#endif + + +#define _cffi_array_len(array) (sizeof(array) / sizeof((array)[0])) + +#define _cffi_prim_int(size, sign) \ + ((size) == 1 ? ((sign) ? _CFFI_PRIM_INT8 : _CFFI_PRIM_UINT8) : \ + (size) == 2 ? ((sign) ? _CFFI_PRIM_INT16 : _CFFI_PRIM_UINT16) : \ + (size) == 4 ? ((sign) ? _CFFI_PRIM_INT32 : _CFFI_PRIM_UINT32) : \ + (size) == 8 ? ((sign) ? _CFFI_PRIM_INT64 : _CFFI_PRIM_UINT64) : \ + _CFFI__UNKNOWN_PRIM) + +#define _cffi_prim_float(size) \ + ((size) == sizeof(float) ? _CFFI_PRIM_FLOAT : \ + (size) == sizeof(double) ? _CFFI_PRIM_DOUBLE : \ + (size) == sizeof(long double) ? _CFFI__UNKNOWN_LONG_DOUBLE : \ + _CFFI__UNKNOWN_FLOAT_PRIM) + +#define _cffi_check_int(got, got_nonpos, expected) \ + ((got_nonpos) == (expected <= 0) && \ + (got) == (unsigned long long)expected) + +#ifdef MS_WIN32 +# define _cffi_stdcall __stdcall +#else +# define _cffi_stdcall /* nothing */ +#endif + +#ifdef __cplusplus +} +#endif diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/_embedding.h b/backend/mb-env/lib/python3.9/site-packages/cffi/_embedding.h new file mode 100644 index 0000000..7410231 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/_embedding.h @@ -0,0 +1,527 @@ + +/***** Support code for embedding *****/ + +#ifdef __cplusplus +extern "C" { +#endif + + +#if defined(_WIN32) +# define CFFI_DLLEXPORT __declspec(dllexport) +#elif defined(__GNUC__) +# define CFFI_DLLEXPORT __attribute__((visibility("default"))) +#else +# define CFFI_DLLEXPORT /* nothing */ +#endif + + +/* There are two global variables of type _cffi_call_python_fnptr: + + * _cffi_call_python, which we declare just below, is the one called + by ``extern "Python"`` implementations. + + * _cffi_call_python_org, which on CPython is actually part of the + _cffi_exports[] array, is the function pointer copied from + _cffi_backend. + + After initialization is complete, both are equal. However, the + first one remains equal to &_cffi_start_and_call_python until the + very end of initialization, when we are (or should be) sure that + concurrent threads also see a completely initialized world, and + only then is it changed. +*/ +#undef _cffi_call_python +typedef void (*_cffi_call_python_fnptr)(struct _cffi_externpy_s *, char *); +static void _cffi_start_and_call_python(struct _cffi_externpy_s *, char *); +static _cffi_call_python_fnptr _cffi_call_python = &_cffi_start_and_call_python; + + +#ifndef _MSC_VER + /* --- Assuming a GCC not infinitely old --- */ +# define cffi_compare_and_swap(l,o,n) __sync_bool_compare_and_swap(l,o,n) +# define cffi_write_barrier() __sync_synchronize() +# if !defined(__amd64__) && !defined(__x86_64__) && \ + !defined(__i386__) && !defined(__i386) +# define cffi_read_barrier() __sync_synchronize() +# else +# define cffi_read_barrier() (void)0 +# endif +#else + /* --- Windows threads version --- */ +# include +# define cffi_compare_and_swap(l,o,n) \ + (InterlockedCompareExchangePointer(l,n,o) == (o)) +# define cffi_write_barrier() InterlockedCompareExchange(&_cffi_dummy,0,0) +# define cffi_read_barrier() (void)0 +static volatile LONG _cffi_dummy; +#endif + +#ifdef WITH_THREAD +# ifndef _MSC_VER +# include + static pthread_mutex_t _cffi_embed_startup_lock; +# else + static CRITICAL_SECTION _cffi_embed_startup_lock; +# endif + static char _cffi_embed_startup_lock_ready = 0; +#endif + +static void _cffi_acquire_reentrant_mutex(void) +{ + static void *volatile lock = NULL; + + while (!cffi_compare_and_swap(&lock, NULL, (void *)1)) { + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: pthread_mutex_init() should be very fast, and + this is only run at start-up anyway. */ + } + +#ifdef WITH_THREAD + if (!_cffi_embed_startup_lock_ready) { +# ifndef _MSC_VER + pthread_mutexattr_t attr; + pthread_mutexattr_init(&attr); + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + pthread_mutex_init(&_cffi_embed_startup_lock, &attr); +# else + InitializeCriticalSection(&_cffi_embed_startup_lock); +# endif + _cffi_embed_startup_lock_ready = 1; + } +#endif + + while (!cffi_compare_and_swap(&lock, (void *)1, NULL)) + ; + +#ifndef _MSC_VER + pthread_mutex_lock(&_cffi_embed_startup_lock); +#else + EnterCriticalSection(&_cffi_embed_startup_lock); +#endif +} + +static void _cffi_release_reentrant_mutex(void) +{ +#ifndef _MSC_VER + pthread_mutex_unlock(&_cffi_embed_startup_lock); +#else + LeaveCriticalSection(&_cffi_embed_startup_lock); +#endif +} + + +/********** CPython-specific section **********/ +#ifndef PYPY_VERSION + +#include "_cffi_errors.h" + + +#define _cffi_call_python_org _cffi_exports[_CFFI_CPIDX] + +PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(void); /* forward */ + +static void _cffi_py_initialize(void) +{ + /* XXX use initsigs=0, which "skips initialization registration of + signal handlers, which might be useful when Python is + embedded" according to the Python docs. But review and think + if it should be a user-controllable setting. + + XXX we should also give a way to write errors to a buffer + instead of to stderr. + + XXX if importing 'site' fails, CPython (any version) calls + exit(). Should we try to work around this behavior here? + */ + Py_InitializeEx(0); +} + +static int _cffi_initialize_python(void) +{ + /* This initializes Python, imports _cffi_backend, and then the + present .dll/.so is set up as a CPython C extension module. + */ + int result; + PyGILState_STATE state; + PyObject *pycode=NULL, *global_dict=NULL, *x; + PyObject *builtins; + + state = PyGILState_Ensure(); + + /* Call the initxxx() function from the present module. It will + create and initialize us as a CPython extension module, instead + of letting the startup Python code do it---it might reimport + the same .dll/.so and get maybe confused on some platforms. + It might also have troubles locating the .dll/.so again for all + I know. + */ + (void)_CFFI_PYTHON_STARTUP_FUNC(); + if (PyErr_Occurred()) + goto error; + + /* Now run the Python code provided to ffi.embedding_init_code(). + */ + pycode = Py_CompileString(_CFFI_PYTHON_STARTUP_CODE, + "", + Py_file_input); + if (pycode == NULL) + goto error; + global_dict = PyDict_New(); + if (global_dict == NULL) + goto error; + builtins = PyEval_GetBuiltins(); + if (builtins == NULL) + goto error; + if (PyDict_SetItemString(global_dict, "__builtins__", builtins) < 0) + goto error; + x = PyEval_EvalCode( +#if PY_MAJOR_VERSION < 3 + (PyCodeObject *) +#endif + pycode, global_dict, global_dict); + if (x == NULL) + goto error; + Py_DECREF(x); + + /* Done! Now if we've been called from + _cffi_start_and_call_python() in an ``extern "Python"``, we can + only hope that the Python code did correctly set up the + corresponding @ffi.def_extern() function. Otherwise, the + general logic of ``extern "Python"`` functions (inside the + _cffi_backend module) will find that the reference is still + missing and print an error. + */ + result = 0; + done: + Py_XDECREF(pycode); + Py_XDECREF(global_dict); + PyGILState_Release(state); + return result; + + error:; + { + /* Print as much information as potentially useful. + Debugging load-time failures with embedding is not fun + */ + PyObject *ecap; + PyObject *exception, *v, *tb, *f, *modules, *mod; + PyErr_Fetch(&exception, &v, &tb); + ecap = _cffi_start_error_capture(); + f = PySys_GetObject((char *)"stderr"); + if (f != NULL && f != Py_None) { + PyFile_WriteString( + "Failed to initialize the Python-CFFI embedding logic:\n\n", f); + } + + if (exception != NULL) { + PyErr_NormalizeException(&exception, &v, &tb); + PyErr_Display(exception, v, tb); + } + Py_XDECREF(exception); + Py_XDECREF(v); + Py_XDECREF(tb); + + if (f != NULL && f != Py_None) { + PyFile_WriteString("\nFrom: " _CFFI_MODULE_NAME + "\ncompiled with cffi version: 1.14.6" + "\n_cffi_backend module: ", f); + modules = PyImport_GetModuleDict(); + mod = PyDict_GetItemString(modules, "_cffi_backend"); + if (mod == NULL) { + PyFile_WriteString("not loaded", f); + } + else { + v = PyObject_GetAttrString(mod, "__file__"); + PyFile_WriteObject(v, f, 0); + Py_XDECREF(v); + } + PyFile_WriteString("\nsys.path: ", f); + PyFile_WriteObject(PySys_GetObject((char *)"path"), f, 0); + PyFile_WriteString("\n\n", f); + } + _cffi_stop_error_capture(ecap); + } + result = -1; + goto done; +} + +#if PY_VERSION_HEX < 0x03080000 +PyAPI_DATA(char *) _PyParser_TokenNames[]; /* from CPython */ +#endif + +static int _cffi_carefully_make_gil(void) +{ + /* This does the basic initialization of Python. It can be called + completely concurrently from unrelated threads. It assumes + that we don't hold the GIL before (if it exists), and we don't + hold it afterwards. + + (What it really does used to be completely different in Python 2 + and Python 3, with the Python 2 solution avoiding the spin-lock + around the Py_InitializeEx() call. However, after recent changes + to CPython 2.7 (issue #358) it no longer works. So we use the + Python 3 solution everywhere.) + + This initializes Python by calling Py_InitializeEx(). + Important: this must not be called concurrently at all. + So we use a global variable as a simple spin lock. This global + variable must be from 'libpythonX.Y.so', not from this + cffi-based extension module, because it must be shared from + different cffi-based extension modules. + + In Python < 3.8, we choose + _PyParser_TokenNames[0] as a completely arbitrary pointer value + that is never written to. The default is to point to the + string "ENDMARKER". We change it temporarily to point to the + next character in that string. (Yes, I know it's REALLY + obscure.) + + In Python >= 3.8, this string array is no longer writable, so + instead we pick PyCapsuleType.tp_version_tag. We can't change + Python < 3.8 because someone might use a mixture of cffi + embedded modules, some of which were compiled before this file + changed. + */ + +#ifdef WITH_THREAD +# if PY_VERSION_HEX < 0x03080000 + char *volatile *lock = (char *volatile *)_PyParser_TokenNames; + char *old_value, *locked_value; + + while (1) { /* spin loop */ + old_value = *lock; + locked_value = old_value + 1; + if (old_value[0] == 'E') { + assert(old_value[1] == 'N'); + if (cffi_compare_and_swap(lock, old_value, locked_value)) + break; + } + else { + assert(old_value[0] == 'N'); + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: PyEval_InitThreads() should be very fast, and + this is only run at start-up anyway. */ + } + } +# else + int volatile *lock = (int volatile *)&PyCapsule_Type.tp_version_tag; + int old_value, locked_value; + assert(!(PyCapsule_Type.tp_flags & Py_TPFLAGS_HAVE_VERSION_TAG)); + + while (1) { /* spin loop */ + old_value = *lock; + locked_value = -42; + if (old_value == 0) { + if (cffi_compare_and_swap(lock, old_value, locked_value)) + break; + } + else { + assert(old_value == locked_value); + /* should ideally do a spin loop instruction here, but + hard to do it portably and doesn't really matter I + think: PyEval_InitThreads() should be very fast, and + this is only run at start-up anyway. */ + } + } +# endif +#endif + + /* call Py_InitializeEx() */ + if (!Py_IsInitialized()) { + _cffi_py_initialize(); +#if PY_VERSION_HEX < 0x03070000 + PyEval_InitThreads(); +#endif + PyEval_SaveThread(); /* release the GIL */ + /* the returned tstate must be the one that has been stored into the + autoTLSkey by _PyGILState_Init() called from Py_Initialize(). */ + } + else { +#if PY_VERSION_HEX < 0x03070000 + /* PyEval_InitThreads() is always a no-op from CPython 3.7 */ + PyGILState_STATE state = PyGILState_Ensure(); + PyEval_InitThreads(); + PyGILState_Release(state); +#endif + } + +#ifdef WITH_THREAD + /* release the lock */ + while (!cffi_compare_and_swap(lock, locked_value, old_value)) + ; +#endif + + return 0; +} + +/********** end CPython-specific section **********/ + + +#else + + +/********** PyPy-specific section **********/ + +PyMODINIT_FUNC _CFFI_PYTHON_STARTUP_FUNC(const void *[]); /* forward */ + +static struct _cffi_pypy_init_s { + const char *name; + void *func; /* function pointer */ + const char *code; +} _cffi_pypy_init = { + _CFFI_MODULE_NAME, + _CFFI_PYTHON_STARTUP_FUNC, + _CFFI_PYTHON_STARTUP_CODE, +}; + +extern int pypy_carefully_make_gil(const char *); +extern int pypy_init_embedded_cffi_module(int, struct _cffi_pypy_init_s *); + +static int _cffi_carefully_make_gil(void) +{ + return pypy_carefully_make_gil(_CFFI_MODULE_NAME); +} + +static int _cffi_initialize_python(void) +{ + return pypy_init_embedded_cffi_module(0xB011, &_cffi_pypy_init); +} + +/********** end PyPy-specific section **********/ + + +#endif + + +#ifdef __GNUC__ +__attribute__((noinline)) +#endif +static _cffi_call_python_fnptr _cffi_start_python(void) +{ + /* Delicate logic to initialize Python. This function can be + called multiple times concurrently, e.g. when the process calls + its first ``extern "Python"`` functions in multiple threads at + once. It can also be called recursively, in which case we must + ignore it. We also have to consider what occurs if several + different cffi-based extensions reach this code in parallel + threads---it is a different copy of the code, then, and we + can't have any shared global variable unless it comes from + 'libpythonX.Y.so'. + + Idea: + + * _cffi_carefully_make_gil(): "carefully" call + PyEval_InitThreads() (possibly with Py_InitializeEx() first). + + * then we use a (local) custom lock to make sure that a call to this + cffi-based extension will wait if another call to the *same* + extension is running the initialization in another thread. + It is reentrant, so that a recursive call will not block, but + only one from a different thread. + + * then we grab the GIL and (Python 2) we call Py_InitializeEx(). + At this point, concurrent calls to Py_InitializeEx() are not + possible: we have the GIL. + + * do the rest of the specific initialization, which may + temporarily release the GIL but not the custom lock. + Only release the custom lock when we are done. + */ + static char called = 0; + + if (_cffi_carefully_make_gil() != 0) + return NULL; + + _cffi_acquire_reentrant_mutex(); + + /* Here the GIL exists, but we don't have it. We're only protected + from concurrency by the reentrant mutex. */ + + /* This file only initializes the embedded module once, the first + time this is called, even if there are subinterpreters. */ + if (!called) { + called = 1; /* invoke _cffi_initialize_python() only once, + but don't set '_cffi_call_python' right now, + otherwise concurrent threads won't call + this function at all (we need them to wait) */ + if (_cffi_initialize_python() == 0) { + /* now initialization is finished. Switch to the fast-path. */ + + /* We would like nobody to see the new value of + '_cffi_call_python' without also seeing the rest of the + data initialized. However, this is not possible. But + the new value of '_cffi_call_python' is the function + 'cffi_call_python()' from _cffi_backend. So: */ + cffi_write_barrier(); + /* ^^^ we put a write barrier here, and a corresponding + read barrier at the start of cffi_call_python(). This + ensures that after that read barrier, we see everything + done here before the write barrier. + */ + + assert(_cffi_call_python_org != NULL); + _cffi_call_python = (_cffi_call_python_fnptr)_cffi_call_python_org; + } + else { + /* initialization failed. Reset this to NULL, even if it was + already set to some other value. Future calls to + _cffi_start_python() are still forced to occur, and will + always return NULL from now on. */ + _cffi_call_python_org = NULL; + } + } + + _cffi_release_reentrant_mutex(); + + return (_cffi_call_python_fnptr)_cffi_call_python_org; +} + +static +void _cffi_start_and_call_python(struct _cffi_externpy_s *externpy, char *args) +{ + _cffi_call_python_fnptr fnptr; + int current_err = errno; +#ifdef _MSC_VER + int current_lasterr = GetLastError(); +#endif + fnptr = _cffi_start_python(); + if (fnptr == NULL) { + fprintf(stderr, "function %s() called, but initialization code " + "failed. Returning 0.\n", externpy->name); + memset(args, 0, externpy->size_of_result); + } +#ifdef _MSC_VER + SetLastError(current_lasterr); +#endif + errno = current_err; + + if (fnptr != NULL) + fnptr(externpy, args); +} + + +/* The cffi_start_python() function makes sure Python is initialized + and our cffi module is set up. It can be called manually from the + user C code. The same effect is obtained automatically from any + dll-exported ``extern "Python"`` function. This function returns + -1 if initialization failed, 0 if all is OK. */ +_CFFI_UNUSED_FN +static int cffi_start_python(void) +{ + if (_cffi_call_python == &_cffi_start_and_call_python) { + if (_cffi_start_python() == NULL) + return -1; + } + cffi_read_barrier(); + return 0; +} + +#undef cffi_compare_and_swap +#undef cffi_write_barrier +#undef cffi_read_barrier + +#ifdef __cplusplus +} +#endif diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/api.py b/backend/mb-env/lib/python3.9/site-packages/cffi/api.py new file mode 100644 index 0000000..999a8ae --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/api.py @@ -0,0 +1,965 @@ +import sys, types +from .lock import allocate_lock +from .error import CDefError +from . import model + +try: + callable +except NameError: + # Python 3.1 + from collections import Callable + callable = lambda x: isinstance(x, Callable) + +try: + basestring +except NameError: + # Python 3.x + basestring = str + +_unspecified = object() + + + +class FFI(object): + r''' + The main top-level class that you instantiate once, or once per module. + + Example usage: + + ffi = FFI() + ffi.cdef(""" + int printf(const char *, ...); + """) + + C = ffi.dlopen(None) # standard library + -or- + C = ffi.verify() # use a C compiler: verify the decl above is right + + C.printf("hello, %s!\n", ffi.new("char[]", "world")) + ''' + + def __init__(self, backend=None): + """Create an FFI instance. The 'backend' argument is used to + select a non-default backend, mostly for tests. + """ + if backend is None: + # You need PyPy (>= 2.0 beta), or a CPython (>= 2.6) with + # _cffi_backend.so compiled. + import _cffi_backend as backend + from . import __version__ + if backend.__version__ != __version__: + # bad version! Try to be as explicit as possible. + if hasattr(backend, '__file__'): + # CPython + raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. When we import the top-level '_cffi_backend' extension module, we get version %s, located in %r. The two versions should be equal; check your installation." % ( + __version__, __file__, + backend.__version__, backend.__file__)) + else: + # PyPy + raise Exception("Version mismatch: this is the 'cffi' package version %s, located in %r. This interpreter comes with a built-in '_cffi_backend' module, which is version %s. The two versions should be equal; check your installation." % ( + __version__, __file__, backend.__version__)) + # (If you insist you can also try to pass the option + # 'backend=backend_ctypes.CTypesBackend()', but don't + # rely on it! It's probably not going to work well.) + + from . import cparser + self._backend = backend + self._lock = allocate_lock() + self._parser = cparser.Parser() + self._cached_btypes = {} + self._parsed_types = types.ModuleType('parsed_types').__dict__ + self._new_types = types.ModuleType('new_types').__dict__ + self._function_caches = [] + self._libraries = [] + self._cdefsources = [] + self._included_ffis = [] + self._windows_unicode = None + self._init_once_cache = {} + self._cdef_version = None + self._embedding = None + self._typecache = model.get_typecache(backend) + if hasattr(backend, 'set_ffi'): + backend.set_ffi(self) + for name in list(backend.__dict__): + if name.startswith('RTLD_'): + setattr(self, name, getattr(backend, name)) + # + with self._lock: + self.BVoidP = self._get_cached_btype(model.voidp_type) + self.BCharA = self._get_cached_btype(model.char_array_type) + if isinstance(backend, types.ModuleType): + # _cffi_backend: attach these constants to the class + if not hasattr(FFI, 'NULL'): + FFI.NULL = self.cast(self.BVoidP, 0) + FFI.CData, FFI.CType = backend._get_types() + else: + # ctypes backend: attach these constants to the instance + self.NULL = self.cast(self.BVoidP, 0) + self.CData, self.CType = backend._get_types() + self.buffer = backend.buffer + + def cdef(self, csource, override=False, packed=False, pack=None): + """Parse the given C source. This registers all declared functions, + types, and global variables. The functions and global variables can + then be accessed via either 'ffi.dlopen()' or 'ffi.verify()'. + The types can be used in 'ffi.new()' and other functions. + If 'packed' is specified as True, all structs declared inside this + cdef are packed, i.e. laid out without any field alignment at all. + Alternatively, 'pack' can be a small integer, and requests for + alignment greater than that are ignored (pack=1 is equivalent to + packed=True). + """ + self._cdef(csource, override=override, packed=packed, pack=pack) + + def embedding_api(self, csource, packed=False, pack=None): + self._cdef(csource, packed=packed, pack=pack, dllexport=True) + if self._embedding is None: + self._embedding = '' + + def _cdef(self, csource, override=False, **options): + if not isinstance(csource, str): # unicode, on Python 2 + if not isinstance(csource, basestring): + raise TypeError("cdef() argument must be a string") + csource = csource.encode('ascii') + with self._lock: + self._cdef_version = object() + self._parser.parse(csource, override=override, **options) + self._cdefsources.append(csource) + if override: + for cache in self._function_caches: + cache.clear() + finishlist = self._parser._recomplete + if finishlist: + self._parser._recomplete = [] + for tp in finishlist: + tp.finish_backend_type(self, finishlist) + + def dlopen(self, name, flags=0): + """Load and return a dynamic library identified by 'name'. + The standard C library can be loaded by passing None. + Note that functions and types declared by 'ffi.cdef()' are not + linked to a particular library, just like C headers; in the + library we only look for the actual (untyped) symbols. + """ + if not (isinstance(name, basestring) or + name is None or + isinstance(name, self.CData)): + raise TypeError("dlopen(name): name must be a file name, None, " + "or an already-opened 'void *' handle") + with self._lock: + lib, function_cache = _make_ffi_library(self, name, flags) + self._function_caches.append(function_cache) + self._libraries.append(lib) + return lib + + def dlclose(self, lib): + """Close a library obtained with ffi.dlopen(). After this call, + access to functions or variables from the library will fail + (possibly with a segmentation fault). + """ + type(lib).__cffi_close__(lib) + + def _typeof_locked(self, cdecl): + # call me with the lock! + key = cdecl + if key in self._parsed_types: + return self._parsed_types[key] + # + if not isinstance(cdecl, str): # unicode, on Python 2 + cdecl = cdecl.encode('ascii') + # + type = self._parser.parse_type(cdecl) + really_a_function_type = type.is_raw_function + if really_a_function_type: + type = type.as_function_pointer() + btype = self._get_cached_btype(type) + result = btype, really_a_function_type + self._parsed_types[key] = result + return result + + def _typeof(self, cdecl, consider_function_as_funcptr=False): + # string -> ctype object + try: + result = self._parsed_types[cdecl] + except KeyError: + with self._lock: + result = self._typeof_locked(cdecl) + # + btype, really_a_function_type = result + if really_a_function_type and not consider_function_as_funcptr: + raise CDefError("the type %r is a function type, not a " + "pointer-to-function type" % (cdecl,)) + return btype + + def typeof(self, cdecl): + """Parse the C type given as a string and return the + corresponding object. + It can also be used on 'cdata' instance to get its C type. + """ + if isinstance(cdecl, basestring): + return self._typeof(cdecl) + if isinstance(cdecl, self.CData): + return self._backend.typeof(cdecl) + if isinstance(cdecl, types.BuiltinFunctionType): + res = _builtin_function_type(cdecl) + if res is not None: + return res + if (isinstance(cdecl, types.FunctionType) + and hasattr(cdecl, '_cffi_base_type')): + with self._lock: + return self._get_cached_btype(cdecl._cffi_base_type) + raise TypeError(type(cdecl)) + + def sizeof(self, cdecl): + """Return the size in bytes of the argument. It can be a + string naming a C type, or a 'cdata' instance. + """ + if isinstance(cdecl, basestring): + BType = self._typeof(cdecl) + return self._backend.sizeof(BType) + else: + return self._backend.sizeof(cdecl) + + def alignof(self, cdecl): + """Return the natural alignment size in bytes of the C type + given as a string. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.alignof(cdecl) + + def offsetof(self, cdecl, *fields_or_indexes): + """Return the offset of the named field inside the given + structure or array, which must be given as a C type name. + You can give several field names in case of nested structures. + You can also give numeric values which correspond to array + items, in case of an array type. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._typeoffsetof(cdecl, *fields_or_indexes)[1] + + def new(self, cdecl, init=None): + """Allocate an instance according to the specified C type and + return a pointer to it. The specified C type must be either a + pointer or an array: ``new('X *')`` allocates an X and returns + a pointer to it, whereas ``new('X[n]')`` allocates an array of + n X'es and returns an array referencing it (which works + mostly like a pointer, like in C). You can also use + ``new('X[]', n)`` to allocate an array of a non-constant + length n. + + The memory is initialized following the rules of declaring a + global variable in C: by default it is zero-initialized, but + an explicit initializer can be given which can be used to + fill all or part of the memory. + + When the returned object goes out of scope, the memory + is freed. In other words the returned object has + ownership of the value of type 'cdecl' that it points to. This + means that the raw data can be used as long as this object is + kept alive, but must not be used for a longer time. Be careful + about that when copying the pointer to the memory somewhere + else, e.g. into another structure. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.newp(cdecl, init) + + def new_allocator(self, alloc=None, free=None, + should_clear_after_alloc=True): + """Return a new allocator, i.e. a function that behaves like ffi.new() + but uses the provided low-level 'alloc' and 'free' functions. + + 'alloc' is called with the size as argument. If it returns NULL, a + MemoryError is raised. 'free' is called with the result of 'alloc' + as argument. Both can be either Python function or directly C + functions. If 'free' is None, then no free function is called. + If both 'alloc' and 'free' are None, the default is used. + + If 'should_clear_after_alloc' is set to False, then the memory + returned by 'alloc' is assumed to be already cleared (or you are + fine with garbage); otherwise CFFI will clear it. + """ + compiled_ffi = self._backend.FFI() + allocator = compiled_ffi.new_allocator(alloc, free, + should_clear_after_alloc) + def allocate(cdecl, init=None): + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return allocator(cdecl, init) + return allocate + + def cast(self, cdecl, source): + """Similar to a C cast: returns an instance of the named C + type initialized with the given 'source'. The source is + casted between integers or pointers of any type. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.cast(cdecl, source) + + def string(self, cdata, maxlen=-1): + """Return a Python string (or unicode string) from the 'cdata'. + If 'cdata' is a pointer or array of characters or bytes, returns + the null-terminated string. The returned string extends until + the first null character, or at most 'maxlen' characters. If + 'cdata' is an array then 'maxlen' defaults to its length. + + If 'cdata' is a pointer or array of wchar_t, returns a unicode + string following the same rules. + + If 'cdata' is a single character or byte or a wchar_t, returns + it as a string or unicode string. + + If 'cdata' is an enum, returns the value of the enumerator as a + string, or 'NUMBER' if the value is out of range. + """ + return self._backend.string(cdata, maxlen) + + def unpack(self, cdata, length): + """Unpack an array of C data of the given length, + returning a Python string/unicode/list. + + If 'cdata' is a pointer to 'char', returns a byte string. + It does not stop at the first null. This is equivalent to: + ffi.buffer(cdata, length)[:] + + If 'cdata' is a pointer to 'wchar_t', returns a unicode string. + 'length' is measured in wchar_t's; it is not the size in bytes. + + If 'cdata' is a pointer to anything else, returns a list of + 'length' items. This is a faster equivalent to: + [cdata[i] for i in range(length)] + """ + return self._backend.unpack(cdata, length) + + #def buffer(self, cdata, size=-1): + # """Return a read-write buffer object that references the raw C data + # pointed to by the given 'cdata'. The 'cdata' must be a pointer or + # an array. Can be passed to functions expecting a buffer, or directly + # manipulated with: + # + # buf[:] get a copy of it in a regular string, or + # buf[idx] as a single character + # buf[:] = ... + # buf[idx] = ... change the content + # """ + # note that 'buffer' is a type, set on this instance by __init__ + + def from_buffer(self, cdecl, python_buffer=_unspecified, + require_writable=False): + """Return a cdata of the given type pointing to the data of the + given Python object, which must support the buffer interface. + Note that this is not meant to be used on the built-in types + str or unicode (you can build 'char[]' arrays explicitly) + but only on objects containing large quantities of raw data + in some other format, like 'array.array' or numpy arrays. + + The first argument is optional and default to 'char[]'. + """ + if python_buffer is _unspecified: + cdecl, python_buffer = self.BCharA, cdecl + elif isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + return self._backend.from_buffer(cdecl, python_buffer, + require_writable) + + def memmove(self, dest, src, n): + """ffi.memmove(dest, src, n) copies n bytes of memory from src to dest. + + Like the C function memmove(), the memory areas may overlap; + apart from that it behaves like the C function memcpy(). + + 'src' can be any cdata ptr or array, or any Python buffer object. + 'dest' can be any cdata ptr or array, or a writable Python buffer + object. The size to copy, 'n', is always measured in bytes. + + Unlike other methods, this one supports all Python buffer including + byte strings and bytearrays---but it still does not support + non-contiguous buffers. + """ + return self._backend.memmove(dest, src, n) + + def callback(self, cdecl, python_callable=None, error=None, onerror=None): + """Return a callback object or a decorator making such a + callback object. 'cdecl' must name a C function pointer type. + The callback invokes the specified 'python_callable' (which may + be provided either directly or via a decorator). Important: the + callback object must be manually kept alive for as long as the + callback may be invoked from the C level. + """ + def callback_decorator_wrap(python_callable): + if not callable(python_callable): + raise TypeError("the 'python_callable' argument " + "is not callable") + return self._backend.callback(cdecl, python_callable, + error, onerror) + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl, consider_function_as_funcptr=True) + if python_callable is None: + return callback_decorator_wrap # decorator mode + else: + return callback_decorator_wrap(python_callable) # direct mode + + def getctype(self, cdecl, replace_with=''): + """Return a string giving the C type 'cdecl', which may be itself + a string or a object. If 'replace_with' is given, it gives + extra text to append (or insert for more complicated C types), like + a variable name, or '*' to get actually the C type 'pointer-to-cdecl'. + """ + if isinstance(cdecl, basestring): + cdecl = self._typeof(cdecl) + replace_with = replace_with.strip() + if (replace_with.startswith('*') + and '&[' in self._backend.getcname(cdecl, '&')): + replace_with = '(%s)' % replace_with + elif replace_with and not replace_with[0] in '[(': + replace_with = ' ' + replace_with + return self._backend.getcname(cdecl, replace_with) + + def gc(self, cdata, destructor, size=0): + """Return a new cdata object that points to the same + data. Later, when this new cdata object is garbage-collected, + 'destructor(old_cdata_object)' will be called. + + The optional 'size' gives an estimate of the size, used to + trigger the garbage collection more eagerly. So far only used + on PyPy. It tells the GC that the returned object keeps alive + roughly 'size' bytes of external memory. + """ + return self._backend.gcp(cdata, destructor, size) + + def _get_cached_btype(self, type): + assert self._lock.acquire(False) is False + # call me with the lock! + try: + BType = self._cached_btypes[type] + except KeyError: + finishlist = [] + BType = type.get_cached_btype(self, finishlist) + for type in finishlist: + type.finish_backend_type(self, finishlist) + return BType + + def verify(self, source='', tmpdir=None, **kwargs): + """Verify that the current ffi signatures compile on this + machine, and return a dynamic library object. The dynamic + library can be used to call functions and access global + variables declared in this 'ffi'. The library is compiled + by the C compiler: it gives you C-level API compatibility + (including calling macros). This is unlike 'ffi.dlopen()', + which requires binary compatibility in the signatures. + """ + from .verifier import Verifier, _caller_dir_pycache + # + # If set_unicode(True) was called, insert the UNICODE and + # _UNICODE macro declarations + if self._windows_unicode: + self._apply_windows_unicode(kwargs) + # + # Set the tmpdir here, and not in Verifier.__init__: it picks + # up the caller's directory, which we want to be the caller of + # ffi.verify(), as opposed to the caller of Veritier(). + tmpdir = tmpdir or _caller_dir_pycache() + # + # Make a Verifier() and use it to load the library. + self.verifier = Verifier(self, source, tmpdir, **kwargs) + lib = self.verifier.load_library() + # + # Save the loaded library for keep-alive purposes, even + # if the caller doesn't keep it alive itself (it should). + self._libraries.append(lib) + return lib + + def _get_errno(self): + return self._backend.get_errno() + def _set_errno(self, errno): + self._backend.set_errno(errno) + errno = property(_get_errno, _set_errno, None, + "the value of 'errno' from/to the C calls") + + def getwinerror(self, code=-1): + return self._backend.getwinerror(code) + + def _pointer_to(self, ctype): + with self._lock: + return model.pointer_cache(self, ctype) + + def addressof(self, cdata, *fields_or_indexes): + """Return the address of a . + If 'fields_or_indexes' are given, returns the address of that + field or array item in the structure or array, recursively in + case of nested structures. + """ + try: + ctype = self._backend.typeof(cdata) + except TypeError: + if '__addressof__' in type(cdata).__dict__: + return type(cdata).__addressof__(cdata, *fields_or_indexes) + raise + if fields_or_indexes: + ctype, offset = self._typeoffsetof(ctype, *fields_or_indexes) + else: + if ctype.kind == "pointer": + raise TypeError("addressof(pointer)") + offset = 0 + ctypeptr = self._pointer_to(ctype) + return self._backend.rawaddressof(ctypeptr, cdata, offset) + + def _typeoffsetof(self, ctype, field_or_index, *fields_or_indexes): + ctype, offset = self._backend.typeoffsetof(ctype, field_or_index) + for field1 in fields_or_indexes: + ctype, offset1 = self._backend.typeoffsetof(ctype, field1, 1) + offset += offset1 + return ctype, offset + + def include(self, ffi_to_include): + """Includes the typedefs, structs, unions and enums defined + in another FFI instance. Usage is similar to a #include in C, + where a part of the program might include types defined in + another part for its own usage. Note that the include() + method has no effect on functions, constants and global + variables, which must anyway be accessed directly from the + lib object returned by the original FFI instance. + """ + if not isinstance(ffi_to_include, FFI): + raise TypeError("ffi.include() expects an argument that is also of" + " type cffi.FFI, not %r" % ( + type(ffi_to_include).__name__,)) + if ffi_to_include is self: + raise ValueError("self.include(self)") + with ffi_to_include._lock: + with self._lock: + self._parser.include(ffi_to_include._parser) + self._cdefsources.append('[') + self._cdefsources.extend(ffi_to_include._cdefsources) + self._cdefsources.append(']') + self._included_ffis.append(ffi_to_include) + + def new_handle(self, x): + return self._backend.newp_handle(self.BVoidP, x) + + def from_handle(self, x): + return self._backend.from_handle(x) + + def release(self, x): + self._backend.release(x) + + def set_unicode(self, enabled_flag): + """Windows: if 'enabled_flag' is True, enable the UNICODE and + _UNICODE defines in C, and declare the types like TCHAR and LPTCSTR + to be (pointers to) wchar_t. If 'enabled_flag' is False, + declare these types to be (pointers to) plain 8-bit characters. + This is mostly for backward compatibility; you usually want True. + """ + if self._windows_unicode is not None: + raise ValueError("set_unicode() can only be called once") + enabled_flag = bool(enabled_flag) + if enabled_flag: + self.cdef("typedef wchar_t TBYTE;" + "typedef wchar_t TCHAR;" + "typedef const wchar_t *LPCTSTR;" + "typedef const wchar_t *PCTSTR;" + "typedef wchar_t *LPTSTR;" + "typedef wchar_t *PTSTR;" + "typedef TBYTE *PTBYTE;" + "typedef TCHAR *PTCHAR;") + else: + self.cdef("typedef char TBYTE;" + "typedef char TCHAR;" + "typedef const char *LPCTSTR;" + "typedef const char *PCTSTR;" + "typedef char *LPTSTR;" + "typedef char *PTSTR;" + "typedef TBYTE *PTBYTE;" + "typedef TCHAR *PTCHAR;") + self._windows_unicode = enabled_flag + + def _apply_windows_unicode(self, kwds): + defmacros = kwds.get('define_macros', ()) + if not isinstance(defmacros, (list, tuple)): + raise TypeError("'define_macros' must be a list or tuple") + defmacros = list(defmacros) + [('UNICODE', '1'), + ('_UNICODE', '1')] + kwds['define_macros'] = defmacros + + def _apply_embedding_fix(self, kwds): + # must include an argument like "-lpython2.7" for the compiler + def ensure(key, value): + lst = kwds.setdefault(key, []) + if value not in lst: + lst.append(value) + # + if '__pypy__' in sys.builtin_module_names: + import os + if sys.platform == "win32": + # we need 'libpypy-c.lib'. Current distributions of + # pypy (>= 4.1) contain it as 'libs/python27.lib'. + pythonlib = "python{0[0]}{0[1]}".format(sys.version_info) + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'libs')) + else: + # we need 'libpypy-c.{so,dylib}', which should be by + # default located in 'sys.prefix/bin' for installed + # systems. + if sys.version_info < (3,): + pythonlib = "pypy-c" + else: + pythonlib = "pypy3-c" + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'bin')) + # On uninstalled pypy's, the libpypy-c is typically found in + # .../pypy/goal/. + if hasattr(sys, 'prefix'): + ensure('library_dirs', os.path.join(sys.prefix, 'pypy', 'goal')) + else: + if sys.platform == "win32": + template = "python%d%d" + if hasattr(sys, 'gettotalrefcount'): + template += '_d' + else: + try: + import sysconfig + except ImportError: # 2.6 + from distutils import sysconfig + template = "python%d.%d" + if sysconfig.get_config_var('DEBUG_EXT'): + template += sysconfig.get_config_var('DEBUG_EXT') + pythonlib = (template % + (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff)) + if hasattr(sys, 'abiflags'): + pythonlib += sys.abiflags + ensure('libraries', pythonlib) + if sys.platform == "win32": + ensure('extra_link_args', '/MANIFEST') + + def set_source(self, module_name, source, source_extension='.c', **kwds): + import os + if hasattr(self, '_assigned_source'): + raise ValueError("set_source() cannot be called several times " + "per ffi object") + if not isinstance(module_name, basestring): + raise TypeError("'module_name' must be a string") + if os.sep in module_name or (os.altsep and os.altsep in module_name): + raise ValueError("'module_name' must not contain '/': use a dotted " + "name to make a 'package.module' location") + self._assigned_source = (str(module_name), source, + source_extension, kwds) + + def set_source_pkgconfig(self, module_name, pkgconfig_libs, source, + source_extension='.c', **kwds): + from . import pkgconfig + if not isinstance(pkgconfig_libs, list): + raise TypeError("the pkgconfig_libs argument must be a list " + "of package names") + kwds2 = pkgconfig.flags_from_pkgconfig(pkgconfig_libs) + pkgconfig.merge_flags(kwds, kwds2) + self.set_source(module_name, source, source_extension, **kwds) + + def distutils_extension(self, tmpdir='build', verbose=True): + from distutils.dir_util import mkpath + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + if hasattr(self, 'verifier'): # fallback, 'tmpdir' ignored + return self.verifier.get_extension() + raise ValueError("set_source() must be called before" + " distutils_extension()") + module_name, source, source_extension, kwds = self._assigned_source + if source is None: + raise TypeError("distutils_extension() is only for C extension " + "modules, not for dlopen()-style pure Python " + "modules") + mkpath(tmpdir) + ext, updated = recompile(self, module_name, + source, tmpdir=tmpdir, extradir=tmpdir, + source_extension=source_extension, + call_c_compiler=False, **kwds) + if verbose: + if updated: + sys.stderr.write("regenerated: %r\n" % (ext.sources[0],)) + else: + sys.stderr.write("not modified: %r\n" % (ext.sources[0],)) + return ext + + def emit_c_code(self, filename): + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before emit_c_code()") + module_name, source, source_extension, kwds = self._assigned_source + if source is None: + raise TypeError("emit_c_code() is only for C extension modules, " + "not for dlopen()-style pure Python modules") + recompile(self, module_name, source, + c_file=filename, call_c_compiler=False, **kwds) + + def emit_python_code(self, filename): + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before emit_c_code()") + module_name, source, source_extension, kwds = self._assigned_source + if source is not None: + raise TypeError("emit_python_code() is only for dlopen()-style " + "pure Python modules, not for C extension modules") + recompile(self, module_name, source, + c_file=filename, call_c_compiler=False, **kwds) + + def compile(self, tmpdir='.', verbose=0, target=None, debug=None): + """The 'target' argument gives the final file name of the + compiled DLL. Use '*' to force distutils' choice, suitable for + regular CPython C API modules. Use a file name ending in '.*' + to ask for the system's default extension for dynamic libraries + (.so/.dll/.dylib). + + The default is '*' when building a non-embedded C API extension, + and (module_name + '.*') when building an embedded library. + """ + from .recompiler import recompile + # + if not hasattr(self, '_assigned_source'): + raise ValueError("set_source() must be called before compile()") + module_name, source, source_extension, kwds = self._assigned_source + return recompile(self, module_name, source, tmpdir=tmpdir, + target=target, source_extension=source_extension, + compiler_verbose=verbose, debug=debug, **kwds) + + def init_once(self, func, tag): + # Read _init_once_cache[tag], which is either (False, lock) if + # we're calling the function now in some thread, or (True, result). + # Don't call setdefault() in most cases, to avoid allocating and + # immediately freeing a lock; but still use setdefaut() to avoid + # races. + try: + x = self._init_once_cache[tag] + except KeyError: + x = self._init_once_cache.setdefault(tag, (False, allocate_lock())) + # Common case: we got (True, result), so we return the result. + if x[0]: + return x[1] + # Else, it's a lock. Acquire it to serialize the following tests. + with x[1]: + # Read again from _init_once_cache the current status. + x = self._init_once_cache[tag] + if x[0]: + return x[1] + # Call the function and store the result back. + result = func() + self._init_once_cache[tag] = (True, result) + return result + + def embedding_init_code(self, pysource): + if self._embedding: + raise ValueError("embedding_init_code() can only be called once") + # fix 'pysource' before it gets dumped into the C file: + # - remove empty lines at the beginning, so it starts at "line 1" + # - dedent, if all non-empty lines are indented + # - check for SyntaxErrors + import re + match = re.match(r'\s*\n', pysource) + if match: + pysource = pysource[match.end():] + lines = pysource.splitlines() or [''] + prefix = re.match(r'\s*', lines[0]).group() + for i in range(1, len(lines)): + line = lines[i] + if line.rstrip(): + while not line.startswith(prefix): + prefix = prefix[:-1] + i = len(prefix) + lines = [line[i:]+'\n' for line in lines] + pysource = ''.join(lines) + # + compile(pysource, "cffi_init", "exec") + # + self._embedding = pysource + + def def_extern(self, *args, **kwds): + raise ValueError("ffi.def_extern() is only available on API-mode FFI " + "objects") + + def list_types(self): + """Returns the user type names known to this FFI instance. + This returns a tuple containing three lists of names: + (typedef_names, names_of_structs, names_of_unions) + """ + typedefs = [] + structs = [] + unions = [] + for key in self._parser._declarations: + if key.startswith('typedef '): + typedefs.append(key[8:]) + elif key.startswith('struct '): + structs.append(key[7:]) + elif key.startswith('union '): + unions.append(key[6:]) + typedefs.sort() + structs.sort() + unions.sort() + return (typedefs, structs, unions) + + +def _load_backend_lib(backend, name, flags): + import os + if not isinstance(name, basestring): + if sys.platform != "win32" or name is not None: + return backend.load_library(name, flags) + name = "c" # Windows: load_library(None) fails, but this works + # on Python 2 (backward compatibility hack only) + first_error = None + if '.' in name or '/' in name or os.sep in name: + try: + return backend.load_library(name, flags) + except OSError as e: + first_error = e + import ctypes.util + path = ctypes.util.find_library(name) + if path is None: + if name == "c" and sys.platform == "win32" and sys.version_info >= (3,): + raise OSError("dlopen(None) cannot work on Windows for Python 3 " + "(see http://bugs.python.org/issue23606)") + msg = ("ctypes.util.find_library() did not manage " + "to locate a library called %r" % (name,)) + if first_error is not None: + msg = "%s. Additionally, %s" % (first_error, msg) + raise OSError(msg) + return backend.load_library(path, flags) + +def _make_ffi_library(ffi, libname, flags): + backend = ffi._backend + backendlib = _load_backend_lib(backend, libname, flags) + # + def accessor_function(name): + key = 'function ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + value = backendlib.load_function(BType, name) + library.__dict__[name] = value + # + def accessor_variable(name): + key = 'variable ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + read_variable = backendlib.read_variable + write_variable = backendlib.write_variable + setattr(FFILibrary, name, property( + lambda self: read_variable(BType, name), + lambda self, value: write_variable(BType, name, value))) + # + def addressof_var(name): + try: + return addr_variables[name] + except KeyError: + with ffi._lock: + if name not in addr_variables: + key = 'variable ' + name + tp, _ = ffi._parser._declarations[key] + BType = ffi._get_cached_btype(tp) + if BType.kind != 'array': + BType = model.pointer_cache(ffi, BType) + p = backendlib.load_function(BType, name) + addr_variables[name] = p + return addr_variables[name] + # + def accessor_constant(name): + raise NotImplementedError("non-integer constant '%s' cannot be " + "accessed from a dlopen() library" % (name,)) + # + def accessor_int_constant(name): + library.__dict__[name] = ffi._parser._int_constants[name] + # + accessors = {} + accessors_version = [False] + addr_variables = {} + # + def update_accessors(): + if accessors_version[0] is ffi._cdef_version: + return + # + for key, (tp, _) in ffi._parser._declarations.items(): + if not isinstance(tp, model.EnumType): + tag, name = key.split(' ', 1) + if tag == 'function': + accessors[name] = accessor_function + elif tag == 'variable': + accessors[name] = accessor_variable + elif tag == 'constant': + accessors[name] = accessor_constant + else: + for i, enumname in enumerate(tp.enumerators): + def accessor_enum(name, tp=tp, i=i): + tp.check_not_partial() + library.__dict__[name] = tp.enumvalues[i] + accessors[enumname] = accessor_enum + for name in ffi._parser._int_constants: + accessors.setdefault(name, accessor_int_constant) + accessors_version[0] = ffi._cdef_version + # + def make_accessor(name): + with ffi._lock: + if name in library.__dict__ or name in FFILibrary.__dict__: + return # added by another thread while waiting for the lock + if name not in accessors: + update_accessors() + if name not in accessors: + raise AttributeError(name) + accessors[name](name) + # + class FFILibrary(object): + def __getattr__(self, name): + make_accessor(name) + return getattr(self, name) + def __setattr__(self, name, value): + try: + property = getattr(self.__class__, name) + except AttributeError: + make_accessor(name) + setattr(self, name, value) + else: + property.__set__(self, value) + def __dir__(self): + with ffi._lock: + update_accessors() + return accessors.keys() + def __addressof__(self, name): + if name in library.__dict__: + return library.__dict__[name] + if name in FFILibrary.__dict__: + return addressof_var(name) + make_accessor(name) + if name in library.__dict__: + return library.__dict__[name] + if name in FFILibrary.__dict__: + return addressof_var(name) + raise AttributeError("cffi library has no function or " + "global variable named '%s'" % (name,)) + def __cffi_close__(self): + backendlib.close_lib() + self.__dict__.clear() + # + if isinstance(libname, basestring): + try: + if not isinstance(libname, str): # unicode, on Python 2 + libname = libname.encode('utf-8') + FFILibrary.__name__ = 'FFILibrary_%s' % libname + except UnicodeError: + pass + library = FFILibrary() + return library, library.__dict__ + +def _builtin_function_type(func): + # a hack to make at least ffi.typeof(builtin_function) work, + # if the builtin function was obtained by 'vengine_cpy'. + import sys + try: + module = sys.modules[func.__module__] + ffi = module._cffi_original_ffi + types_of_builtin_funcs = module._cffi_types_of_builtin_funcs + tp = types_of_builtin_funcs[func] + except (KeyError, AttributeError, TypeError): + return None + else: + with ffi._lock: + return ffi._get_cached_btype(tp) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/backend_ctypes.py b/backend/mb-env/lib/python3.9/site-packages/cffi/backend_ctypes.py new file mode 100644 index 0000000..e7956a7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/backend_ctypes.py @@ -0,0 +1,1121 @@ +import ctypes, ctypes.util, operator, sys +from . import model + +if sys.version_info < (3,): + bytechr = chr +else: + unicode = str + long = int + xrange = range + bytechr = lambda num: bytes([num]) + +class CTypesType(type): + pass + +class CTypesData(object): + __metaclass__ = CTypesType + __slots__ = ['__weakref__'] + __name__ = '' + + def __init__(self, *args): + raise TypeError("cannot instantiate %r" % (self.__class__,)) + + @classmethod + def _newp(cls, init): + raise TypeError("expected a pointer or array ctype, got '%s'" + % (cls._get_c_name(),)) + + @staticmethod + def _to_ctypes(value): + raise TypeError + + @classmethod + def _arg_to_ctypes(cls, *value): + try: + ctype = cls._ctype + except AttributeError: + raise TypeError("cannot create an instance of %r" % (cls,)) + if value: + res = cls._to_ctypes(*value) + if not isinstance(res, ctype): + res = cls._ctype(res) + else: + res = cls._ctype() + return res + + @classmethod + def _create_ctype_obj(cls, init): + if init is None: + return cls._arg_to_ctypes() + else: + return cls._arg_to_ctypes(init) + + @staticmethod + def _from_ctypes(ctypes_value): + raise TypeError + + @classmethod + def _get_c_name(cls, replace_with=''): + return cls._reftypename.replace(' &', replace_with) + + @classmethod + def _fix_class(cls): + cls.__name__ = 'CData<%s>' % (cls._get_c_name(),) + cls.__qualname__ = 'CData<%s>' % (cls._get_c_name(),) + cls.__module__ = 'ffi' + + def _get_own_repr(self): + raise NotImplementedError + + def _addr_repr(self, address): + if address == 0: + return 'NULL' + else: + if address < 0: + address += 1 << (8*ctypes.sizeof(ctypes.c_void_p)) + return '0x%x' % address + + def __repr__(self, c_name=None): + own = self._get_own_repr() + return '' % (c_name or self._get_c_name(), own) + + def _convert_to_address(self, BClass): + if BClass is None: + raise TypeError("cannot convert %r to an address" % ( + self._get_c_name(),)) + else: + raise TypeError("cannot convert %r to %r" % ( + self._get_c_name(), BClass._get_c_name())) + + @classmethod + def _get_size(cls): + return ctypes.sizeof(cls._ctype) + + def _get_size_of_instance(self): + return ctypes.sizeof(self._ctype) + + @classmethod + def _cast_from(cls, source): + raise TypeError("cannot cast to %r" % (cls._get_c_name(),)) + + def _cast_to_integer(self): + return self._convert_to_address(None) + + @classmethod + def _alignment(cls): + return ctypes.alignment(cls._ctype) + + def __iter__(self): + raise TypeError("cdata %r does not support iteration" % ( + self._get_c_name()),) + + def _make_cmp(name): + cmpfunc = getattr(operator, name) + def cmp(self, other): + v_is_ptr = not isinstance(self, CTypesGenericPrimitive) + w_is_ptr = (isinstance(other, CTypesData) and + not isinstance(other, CTypesGenericPrimitive)) + if v_is_ptr and w_is_ptr: + return cmpfunc(self._convert_to_address(None), + other._convert_to_address(None)) + elif v_is_ptr or w_is_ptr: + return NotImplemented + else: + if isinstance(self, CTypesGenericPrimitive): + self = self._value + if isinstance(other, CTypesGenericPrimitive): + other = other._value + return cmpfunc(self, other) + cmp.func_name = name + return cmp + + __eq__ = _make_cmp('__eq__') + __ne__ = _make_cmp('__ne__') + __lt__ = _make_cmp('__lt__') + __le__ = _make_cmp('__le__') + __gt__ = _make_cmp('__gt__') + __ge__ = _make_cmp('__ge__') + + def __hash__(self): + return hash(self._convert_to_address(None)) + + def _to_string(self, maxlen): + raise TypeError("string(): %r" % (self,)) + + +class CTypesGenericPrimitive(CTypesData): + __slots__ = [] + + def __hash__(self): + return hash(self._value) + + def _get_own_repr(self): + return repr(self._from_ctypes(self._value)) + + +class CTypesGenericArray(CTypesData): + __slots__ = [] + + @classmethod + def _newp(cls, init): + return cls(init) + + def __iter__(self): + for i in xrange(len(self)): + yield self[i] + + def _get_own_repr(self): + return self._addr_repr(ctypes.addressof(self._blob)) + + +class CTypesGenericPtr(CTypesData): + __slots__ = ['_address', '_as_ctype_ptr'] + _automatic_casts = False + kind = "pointer" + + @classmethod + def _newp(cls, init): + return cls(init) + + @classmethod + def _cast_from(cls, source): + if source is None: + address = 0 + elif isinstance(source, CTypesData): + address = source._cast_to_integer() + elif isinstance(source, (int, long)): + address = source + else: + raise TypeError("bad type for cast to %r: %r" % + (cls, type(source).__name__)) + return cls._new_pointer_at(address) + + @classmethod + def _new_pointer_at(cls, address): + self = cls.__new__(cls) + self._address = address + self._as_ctype_ptr = ctypes.cast(address, cls._ctype) + return self + + def _get_own_repr(self): + try: + return self._addr_repr(self._address) + except AttributeError: + return '???' + + def _cast_to_integer(self): + return self._address + + def __nonzero__(self): + return bool(self._address) + __bool__ = __nonzero__ + + @classmethod + def _to_ctypes(cls, value): + if not isinstance(value, CTypesData): + raise TypeError("unexpected %s object" % type(value).__name__) + address = value._convert_to_address(cls) + return ctypes.cast(address, cls._ctype) + + @classmethod + def _from_ctypes(cls, ctypes_ptr): + address = ctypes.cast(ctypes_ptr, ctypes.c_void_p).value or 0 + return cls._new_pointer_at(address) + + @classmethod + def _initialize(cls, ctypes_ptr, value): + if value: + ctypes_ptr.contents = cls._to_ctypes(value).contents + + def _convert_to_address(self, BClass): + if (BClass in (self.__class__, None) or BClass._automatic_casts + or self._automatic_casts): + return self._address + else: + return CTypesData._convert_to_address(self, BClass) + + +class CTypesBaseStructOrUnion(CTypesData): + __slots__ = ['_blob'] + + @classmethod + def _create_ctype_obj(cls, init): + # may be overridden + raise TypeError("cannot instantiate opaque type %s" % (cls,)) + + def _get_own_repr(self): + return self._addr_repr(ctypes.addressof(self._blob)) + + @classmethod + def _offsetof(cls, fieldname): + return getattr(cls._ctype, fieldname).offset + + def _convert_to_address(self, BClass): + if getattr(BClass, '_BItem', None) is self.__class__: + return ctypes.addressof(self._blob) + else: + return CTypesData._convert_to_address(self, BClass) + + @classmethod + def _from_ctypes(cls, ctypes_struct_or_union): + self = cls.__new__(cls) + self._blob = ctypes_struct_or_union + return self + + @classmethod + def _to_ctypes(cls, value): + return value._blob + + def __repr__(self, c_name=None): + return CTypesData.__repr__(self, c_name or self._get_c_name(' &')) + + +class CTypesBackend(object): + + PRIMITIVE_TYPES = { + 'char': ctypes.c_char, + 'short': ctypes.c_short, + 'int': ctypes.c_int, + 'long': ctypes.c_long, + 'long long': ctypes.c_longlong, + 'signed char': ctypes.c_byte, + 'unsigned char': ctypes.c_ubyte, + 'unsigned short': ctypes.c_ushort, + 'unsigned int': ctypes.c_uint, + 'unsigned long': ctypes.c_ulong, + 'unsigned long long': ctypes.c_ulonglong, + 'float': ctypes.c_float, + 'double': ctypes.c_double, + '_Bool': ctypes.c_bool, + } + + for _name in ['unsigned long long', 'unsigned long', + 'unsigned int', 'unsigned short', 'unsigned char']: + _size = ctypes.sizeof(PRIMITIVE_TYPES[_name]) + PRIMITIVE_TYPES['uint%d_t' % (8*_size)] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_void_p): + PRIMITIVE_TYPES['uintptr_t'] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_size_t): + PRIMITIVE_TYPES['size_t'] = PRIMITIVE_TYPES[_name] + + for _name in ['long long', 'long', 'int', 'short', 'signed char']: + _size = ctypes.sizeof(PRIMITIVE_TYPES[_name]) + PRIMITIVE_TYPES['int%d_t' % (8*_size)] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_void_p): + PRIMITIVE_TYPES['intptr_t'] = PRIMITIVE_TYPES[_name] + PRIMITIVE_TYPES['ptrdiff_t'] = PRIMITIVE_TYPES[_name] + if _size == ctypes.sizeof(ctypes.c_size_t): + PRIMITIVE_TYPES['ssize_t'] = PRIMITIVE_TYPES[_name] + + + def __init__(self): + self.RTLD_LAZY = 0 # not supported anyway by ctypes + self.RTLD_NOW = 0 + self.RTLD_GLOBAL = ctypes.RTLD_GLOBAL + self.RTLD_LOCAL = ctypes.RTLD_LOCAL + + def set_ffi(self, ffi): + self.ffi = ffi + + def _get_types(self): + return CTypesData, CTypesType + + def load_library(self, path, flags=0): + cdll = ctypes.CDLL(path, flags) + return CTypesLibrary(self, cdll) + + def new_void_type(self): + class CTypesVoid(CTypesData): + __slots__ = [] + _reftypename = 'void &' + @staticmethod + def _from_ctypes(novalue): + return None + @staticmethod + def _to_ctypes(novalue): + if novalue is not None: + raise TypeError("None expected, got %s object" % + (type(novalue).__name__,)) + return None + CTypesVoid._fix_class() + return CTypesVoid + + def new_primitive_type(self, name): + if name == 'wchar_t': + raise NotImplementedError(name) + ctype = self.PRIMITIVE_TYPES[name] + if name == 'char': + kind = 'char' + elif name in ('float', 'double'): + kind = 'float' + else: + if name in ('signed char', 'unsigned char'): + kind = 'byte' + elif name == '_Bool': + kind = 'bool' + else: + kind = 'int' + is_signed = (ctype(-1).value == -1) + # + def _cast_source_to_int(source): + if isinstance(source, (int, long, float)): + source = int(source) + elif isinstance(source, CTypesData): + source = source._cast_to_integer() + elif isinstance(source, bytes): + source = ord(source) + elif source is None: + source = 0 + else: + raise TypeError("bad type for cast to %r: %r" % + (CTypesPrimitive, type(source).__name__)) + return source + # + kind1 = kind + class CTypesPrimitive(CTypesGenericPrimitive): + __slots__ = ['_value'] + _ctype = ctype + _reftypename = '%s &' % name + kind = kind1 + + def __init__(self, value): + self._value = value + + @staticmethod + def _create_ctype_obj(init): + if init is None: + return ctype() + return ctype(CTypesPrimitive._to_ctypes(init)) + + if kind == 'int' or kind == 'byte': + @classmethod + def _cast_from(cls, source): + source = _cast_source_to_int(source) + source = ctype(source).value # cast within range + return cls(source) + def __int__(self): + return self._value + + if kind == 'bool': + @classmethod + def _cast_from(cls, source): + if not isinstance(source, (int, long, float)): + source = _cast_source_to_int(source) + return cls(bool(source)) + def __int__(self): + return int(self._value) + + if kind == 'char': + @classmethod + def _cast_from(cls, source): + source = _cast_source_to_int(source) + source = bytechr(source & 0xFF) + return cls(source) + def __int__(self): + return ord(self._value) + + if kind == 'float': + @classmethod + def _cast_from(cls, source): + if isinstance(source, float): + pass + elif isinstance(source, CTypesGenericPrimitive): + if hasattr(source, '__float__'): + source = float(source) + else: + source = int(source) + else: + source = _cast_source_to_int(source) + source = ctype(source).value # fix precision + return cls(source) + def __int__(self): + return int(self._value) + def __float__(self): + return self._value + + _cast_to_integer = __int__ + + if kind == 'int' or kind == 'byte' or kind == 'bool': + @staticmethod + def _to_ctypes(x): + if not isinstance(x, (int, long)): + if isinstance(x, CTypesData): + x = int(x) + else: + raise TypeError("integer expected, got %s" % + type(x).__name__) + if ctype(x).value != x: + if not is_signed and x < 0: + raise OverflowError("%s: negative integer" % name) + else: + raise OverflowError("%s: integer out of bounds" + % name) + return x + + if kind == 'char': + @staticmethod + def _to_ctypes(x): + if isinstance(x, bytes) and len(x) == 1: + return x + if isinstance(x, CTypesPrimitive): # > + return x._value + raise TypeError("character expected, got %s" % + type(x).__name__) + def __nonzero__(self): + return ord(self._value) != 0 + else: + def __nonzero__(self): + return self._value != 0 + __bool__ = __nonzero__ + + if kind == 'float': + @staticmethod + def _to_ctypes(x): + if not isinstance(x, (int, long, float, CTypesData)): + raise TypeError("float expected, got %s" % + type(x).__name__) + return ctype(x).value + + @staticmethod + def _from_ctypes(value): + return getattr(value, 'value', value) + + @staticmethod + def _initialize(blob, init): + blob.value = CTypesPrimitive._to_ctypes(init) + + if kind == 'char': + def _to_string(self, maxlen): + return self._value + if kind == 'byte': + def _to_string(self, maxlen): + return chr(self._value & 0xff) + # + CTypesPrimitive._fix_class() + return CTypesPrimitive + + def new_pointer_type(self, BItem): + getbtype = self.ffi._get_cached_btype + if BItem is getbtype(model.PrimitiveType('char')): + kind = 'charp' + elif BItem in (getbtype(model.PrimitiveType('signed char')), + getbtype(model.PrimitiveType('unsigned char'))): + kind = 'bytep' + elif BItem is getbtype(model.void_type): + kind = 'voidp' + else: + kind = 'generic' + # + class CTypesPtr(CTypesGenericPtr): + __slots__ = ['_own'] + if kind == 'charp': + __slots__ += ['__as_strbuf'] + _BItem = BItem + if hasattr(BItem, '_ctype'): + _ctype = ctypes.POINTER(BItem._ctype) + _bitem_size = ctypes.sizeof(BItem._ctype) + else: + _ctype = ctypes.c_void_p + if issubclass(BItem, CTypesGenericArray): + _reftypename = BItem._get_c_name('(* &)') + else: + _reftypename = BItem._get_c_name(' * &') + + def __init__(self, init): + ctypeobj = BItem._create_ctype_obj(init) + if kind == 'charp': + self.__as_strbuf = ctypes.create_string_buffer( + ctypeobj.value + b'\x00') + self._as_ctype_ptr = ctypes.cast( + self.__as_strbuf, self._ctype) + else: + self._as_ctype_ptr = ctypes.pointer(ctypeobj) + self._address = ctypes.cast(self._as_ctype_ptr, + ctypes.c_void_p).value + self._own = True + + def __add__(self, other): + if isinstance(other, (int, long)): + return self._new_pointer_at(self._address + + other * self._bitem_size) + else: + return NotImplemented + + def __sub__(self, other): + if isinstance(other, (int, long)): + return self._new_pointer_at(self._address - + other * self._bitem_size) + elif type(self) is type(other): + return (self._address - other._address) // self._bitem_size + else: + return NotImplemented + + def __getitem__(self, index): + if getattr(self, '_own', False) and index != 0: + raise IndexError + return BItem._from_ctypes(self._as_ctype_ptr[index]) + + def __setitem__(self, index, value): + self._as_ctype_ptr[index] = BItem._to_ctypes(value) + + if kind == 'charp' or kind == 'voidp': + @classmethod + def _arg_to_ctypes(cls, *value): + if value and isinstance(value[0], bytes): + return ctypes.c_char_p(value[0]) + else: + return super(CTypesPtr, cls)._arg_to_ctypes(*value) + + if kind == 'charp' or kind == 'bytep': + def _to_string(self, maxlen): + if maxlen < 0: + maxlen = sys.maxsize + p = ctypes.cast(self._as_ctype_ptr, + ctypes.POINTER(ctypes.c_char)) + n = 0 + while n < maxlen and p[n] != b'\x00': + n += 1 + return b''.join([p[i] for i in range(n)]) + + def _get_own_repr(self): + if getattr(self, '_own', False): + return 'owning %d bytes' % ( + ctypes.sizeof(self._as_ctype_ptr.contents),) + return super(CTypesPtr, self)._get_own_repr() + # + if (BItem is self.ffi._get_cached_btype(model.void_type) or + BItem is self.ffi._get_cached_btype(model.PrimitiveType('char'))): + CTypesPtr._automatic_casts = True + # + CTypesPtr._fix_class() + return CTypesPtr + + def new_array_type(self, CTypesPtr, length): + if length is None: + brackets = ' &[]' + else: + brackets = ' &[%d]' % length + BItem = CTypesPtr._BItem + getbtype = self.ffi._get_cached_btype + if BItem is getbtype(model.PrimitiveType('char')): + kind = 'char' + elif BItem in (getbtype(model.PrimitiveType('signed char')), + getbtype(model.PrimitiveType('unsigned char'))): + kind = 'byte' + else: + kind = 'generic' + # + class CTypesArray(CTypesGenericArray): + __slots__ = ['_blob', '_own'] + if length is not None: + _ctype = BItem._ctype * length + else: + __slots__.append('_ctype') + _reftypename = BItem._get_c_name(brackets) + _declared_length = length + _CTPtr = CTypesPtr + + def __init__(self, init): + if length is None: + if isinstance(init, (int, long)): + len1 = init + init = None + elif kind == 'char' and isinstance(init, bytes): + len1 = len(init) + 1 # extra null + else: + init = tuple(init) + len1 = len(init) + self._ctype = BItem._ctype * len1 + self._blob = self._ctype() + self._own = True + if init is not None: + self._initialize(self._blob, init) + + @staticmethod + def _initialize(blob, init): + if isinstance(init, bytes): + init = [init[i:i+1] for i in range(len(init))] + else: + if isinstance(init, CTypesGenericArray): + if (len(init) != len(blob) or + not isinstance(init, CTypesArray)): + raise TypeError("length/type mismatch: %s" % (init,)) + init = tuple(init) + if len(init) > len(blob): + raise IndexError("too many initializers") + addr = ctypes.cast(blob, ctypes.c_void_p).value + PTR = ctypes.POINTER(BItem._ctype) + itemsize = ctypes.sizeof(BItem._ctype) + for i, value in enumerate(init): + p = ctypes.cast(addr + i * itemsize, PTR) + BItem._initialize(p.contents, value) + + def __len__(self): + return len(self._blob) + + def __getitem__(self, index): + if not (0 <= index < len(self._blob)): + raise IndexError + return BItem._from_ctypes(self._blob[index]) + + def __setitem__(self, index, value): + if not (0 <= index < len(self._blob)): + raise IndexError + self._blob[index] = BItem._to_ctypes(value) + + if kind == 'char' or kind == 'byte': + def _to_string(self, maxlen): + if maxlen < 0: + maxlen = len(self._blob) + p = ctypes.cast(self._blob, + ctypes.POINTER(ctypes.c_char)) + n = 0 + while n < maxlen and p[n] != b'\x00': + n += 1 + return b''.join([p[i] for i in range(n)]) + + def _get_own_repr(self): + if getattr(self, '_own', False): + return 'owning %d bytes' % (ctypes.sizeof(self._blob),) + return super(CTypesArray, self)._get_own_repr() + + def _convert_to_address(self, BClass): + if BClass in (CTypesPtr, None) or BClass._automatic_casts: + return ctypes.addressof(self._blob) + else: + return CTypesData._convert_to_address(self, BClass) + + @staticmethod + def _from_ctypes(ctypes_array): + self = CTypesArray.__new__(CTypesArray) + self._blob = ctypes_array + return self + + @staticmethod + def _arg_to_ctypes(value): + return CTypesPtr._arg_to_ctypes(value) + + def __add__(self, other): + if isinstance(other, (int, long)): + return CTypesPtr._new_pointer_at( + ctypes.addressof(self._blob) + + other * ctypes.sizeof(BItem._ctype)) + else: + return NotImplemented + + @classmethod + def _cast_from(cls, source): + raise NotImplementedError("casting to %r" % ( + cls._get_c_name(),)) + # + CTypesArray._fix_class() + return CTypesArray + + def _new_struct_or_union(self, kind, name, base_ctypes_class): + # + class struct_or_union(base_ctypes_class): + pass + struct_or_union.__name__ = '%s_%s' % (kind, name) + kind1 = kind + # + class CTypesStructOrUnion(CTypesBaseStructOrUnion): + __slots__ = ['_blob'] + _ctype = struct_or_union + _reftypename = '%s &' % (name,) + _kind = kind = kind1 + # + CTypesStructOrUnion._fix_class() + return CTypesStructOrUnion + + def new_struct_type(self, name): + return self._new_struct_or_union('struct', name, ctypes.Structure) + + def new_union_type(self, name): + return self._new_struct_or_union('union', name, ctypes.Union) + + def complete_struct_or_union(self, CTypesStructOrUnion, fields, tp, + totalsize=-1, totalalignment=-1, sflags=0, + pack=0): + if totalsize >= 0 or totalalignment >= 0: + raise NotImplementedError("the ctypes backend of CFFI does not support " + "structures completed by verify(); please " + "compile and install the _cffi_backend module.") + struct_or_union = CTypesStructOrUnion._ctype + fnames = [fname for (fname, BField, bitsize) in fields] + btypes = [BField for (fname, BField, bitsize) in fields] + bitfields = [bitsize for (fname, BField, bitsize) in fields] + # + bfield_types = {} + cfields = [] + for (fname, BField, bitsize) in fields: + if bitsize < 0: + cfields.append((fname, BField._ctype)) + bfield_types[fname] = BField + else: + cfields.append((fname, BField._ctype, bitsize)) + bfield_types[fname] = Ellipsis + if sflags & 8: + struct_or_union._pack_ = 1 + elif pack: + struct_or_union._pack_ = pack + struct_or_union._fields_ = cfields + CTypesStructOrUnion._bfield_types = bfield_types + # + @staticmethod + def _create_ctype_obj(init): + result = struct_or_union() + if init is not None: + initialize(result, init) + return result + CTypesStructOrUnion._create_ctype_obj = _create_ctype_obj + # + def initialize(blob, init): + if is_union: + if len(init) > 1: + raise ValueError("union initializer: %d items given, but " + "only one supported (use a dict if needed)" + % (len(init),)) + if not isinstance(init, dict): + if isinstance(init, (bytes, unicode)): + raise TypeError("union initializer: got a str") + init = tuple(init) + if len(init) > len(fnames): + raise ValueError("too many values for %s initializer" % + CTypesStructOrUnion._get_c_name()) + init = dict(zip(fnames, init)) + addr = ctypes.addressof(blob) + for fname, value in init.items(): + BField, bitsize = name2fieldtype[fname] + assert bitsize < 0, \ + "not implemented: initializer with bit fields" + offset = CTypesStructOrUnion._offsetof(fname) + PTR = ctypes.POINTER(BField._ctype) + p = ctypes.cast(addr + offset, PTR) + BField._initialize(p.contents, value) + is_union = CTypesStructOrUnion._kind == 'union' + name2fieldtype = dict(zip(fnames, zip(btypes, bitfields))) + # + for fname, BField, bitsize in fields: + if fname == '': + raise NotImplementedError("nested anonymous structs/unions") + if hasattr(CTypesStructOrUnion, fname): + raise ValueError("the field name %r conflicts in " + "the ctypes backend" % fname) + if bitsize < 0: + def getter(self, fname=fname, BField=BField, + offset=CTypesStructOrUnion._offsetof(fname), + PTR=ctypes.POINTER(BField._ctype)): + addr = ctypes.addressof(self._blob) + p = ctypes.cast(addr + offset, PTR) + return BField._from_ctypes(p.contents) + def setter(self, value, fname=fname, BField=BField): + setattr(self._blob, fname, BField._to_ctypes(value)) + # + if issubclass(BField, CTypesGenericArray): + setter = None + if BField._declared_length == 0: + def getter(self, fname=fname, BFieldPtr=BField._CTPtr, + offset=CTypesStructOrUnion._offsetof(fname), + PTR=ctypes.POINTER(BField._ctype)): + addr = ctypes.addressof(self._blob) + p = ctypes.cast(addr + offset, PTR) + return BFieldPtr._from_ctypes(p) + # + else: + def getter(self, fname=fname, BField=BField): + return BField._from_ctypes(getattr(self._blob, fname)) + def setter(self, value, fname=fname, BField=BField): + # xxx obscure workaround + value = BField._to_ctypes(value) + oldvalue = getattr(self._blob, fname) + setattr(self._blob, fname, value) + if value != getattr(self._blob, fname): + setattr(self._blob, fname, oldvalue) + raise OverflowError("value too large for bitfield") + setattr(CTypesStructOrUnion, fname, property(getter, setter)) + # + CTypesPtr = self.ffi._get_cached_btype(model.PointerType(tp)) + for fname in fnames: + if hasattr(CTypesPtr, fname): + raise ValueError("the field name %r conflicts in " + "the ctypes backend" % fname) + def getter(self, fname=fname): + return getattr(self[0], fname) + def setter(self, value, fname=fname): + setattr(self[0], fname, value) + setattr(CTypesPtr, fname, property(getter, setter)) + + def new_function_type(self, BArgs, BResult, has_varargs): + nameargs = [BArg._get_c_name() for BArg in BArgs] + if has_varargs: + nameargs.append('...') + nameargs = ', '.join(nameargs) + # + class CTypesFunctionPtr(CTypesGenericPtr): + __slots__ = ['_own_callback', '_name'] + _ctype = ctypes.CFUNCTYPE(getattr(BResult, '_ctype', None), + *[BArg._ctype for BArg in BArgs], + use_errno=True) + _reftypename = BResult._get_c_name('(* &)(%s)' % (nameargs,)) + + def __init__(self, init, error=None): + # create a callback to the Python callable init() + import traceback + assert not has_varargs, "varargs not supported for callbacks" + if getattr(BResult, '_ctype', None) is not None: + error = BResult._from_ctypes( + BResult._create_ctype_obj(error)) + else: + error = None + def callback(*args): + args2 = [] + for arg, BArg in zip(args, BArgs): + args2.append(BArg._from_ctypes(arg)) + try: + res2 = init(*args2) + res2 = BResult._to_ctypes(res2) + except: + traceback.print_exc() + res2 = error + if issubclass(BResult, CTypesGenericPtr): + if res2: + res2 = ctypes.cast(res2, ctypes.c_void_p).value + # .value: http://bugs.python.org/issue1574593 + else: + res2 = None + #print repr(res2) + return res2 + if issubclass(BResult, CTypesGenericPtr): + # The only pointers callbacks can return are void*s: + # http://bugs.python.org/issue5710 + callback_ctype = ctypes.CFUNCTYPE( + ctypes.c_void_p, + *[BArg._ctype for BArg in BArgs], + use_errno=True) + else: + callback_ctype = CTypesFunctionPtr._ctype + self._as_ctype_ptr = callback_ctype(callback) + self._address = ctypes.cast(self._as_ctype_ptr, + ctypes.c_void_p).value + self._own_callback = init + + @staticmethod + def _initialize(ctypes_ptr, value): + if value: + raise NotImplementedError("ctypes backend: not supported: " + "initializers for function pointers") + + def __repr__(self): + c_name = getattr(self, '_name', None) + if c_name: + i = self._reftypename.index('(* &)') + if self._reftypename[i-1] not in ' )*': + c_name = ' ' + c_name + c_name = self._reftypename.replace('(* &)', c_name) + return CTypesData.__repr__(self, c_name) + + def _get_own_repr(self): + if getattr(self, '_own_callback', None) is not None: + return 'calling %r' % (self._own_callback,) + return super(CTypesFunctionPtr, self)._get_own_repr() + + def __call__(self, *args): + if has_varargs: + assert len(args) >= len(BArgs) + extraargs = args[len(BArgs):] + args = args[:len(BArgs)] + else: + assert len(args) == len(BArgs) + ctypes_args = [] + for arg, BArg in zip(args, BArgs): + ctypes_args.append(BArg._arg_to_ctypes(arg)) + if has_varargs: + for i, arg in enumerate(extraargs): + if arg is None: + ctypes_args.append(ctypes.c_void_p(0)) # NULL + continue + if not isinstance(arg, CTypesData): + raise TypeError( + "argument %d passed in the variadic part " + "needs to be a cdata object (got %s)" % + (1 + len(BArgs) + i, type(arg).__name__)) + ctypes_args.append(arg._arg_to_ctypes(arg)) + result = self._as_ctype_ptr(*ctypes_args) + return BResult._from_ctypes(result) + # + CTypesFunctionPtr._fix_class() + return CTypesFunctionPtr + + def new_enum_type(self, name, enumerators, enumvalues, CTypesInt): + assert isinstance(name, str) + reverse_mapping = dict(zip(reversed(enumvalues), + reversed(enumerators))) + # + class CTypesEnum(CTypesInt): + __slots__ = [] + _reftypename = '%s &' % name + + def _get_own_repr(self): + value = self._value + try: + return '%d: %s' % (value, reverse_mapping[value]) + except KeyError: + return str(value) + + def _to_string(self, maxlen): + value = self._value + try: + return reverse_mapping[value] + except KeyError: + return str(value) + # + CTypesEnum._fix_class() + return CTypesEnum + + def get_errno(self): + return ctypes.get_errno() + + def set_errno(self, value): + ctypes.set_errno(value) + + def string(self, b, maxlen=-1): + return b._to_string(maxlen) + + def buffer(self, bptr, size=-1): + raise NotImplementedError("buffer() with ctypes backend") + + def sizeof(self, cdata_or_BType): + if isinstance(cdata_or_BType, CTypesData): + return cdata_or_BType._get_size_of_instance() + else: + assert issubclass(cdata_or_BType, CTypesData) + return cdata_or_BType._get_size() + + def alignof(self, BType): + assert issubclass(BType, CTypesData) + return BType._alignment() + + def newp(self, BType, source): + if not issubclass(BType, CTypesData): + raise TypeError + return BType._newp(source) + + def cast(self, BType, source): + return BType._cast_from(source) + + def callback(self, BType, source, error, onerror): + assert onerror is None # XXX not implemented + return BType(source, error) + + _weakref_cache_ref = None + + def gcp(self, cdata, destructor, size=0): + if self._weakref_cache_ref is None: + import weakref + class MyRef(weakref.ref): + def __eq__(self, other): + myref = self() + return self is other or ( + myref is not None and myref is other()) + def __ne__(self, other): + return not (self == other) + def __hash__(self): + try: + return self._hash + except AttributeError: + self._hash = hash(self()) + return self._hash + self._weakref_cache_ref = {}, MyRef + weak_cache, MyRef = self._weakref_cache_ref + + if destructor is None: + try: + del weak_cache[MyRef(cdata)] + except KeyError: + raise TypeError("Can remove destructor only on a object " + "previously returned by ffi.gc()") + return None + + def remove(k): + cdata, destructor = weak_cache.pop(k, (None, None)) + if destructor is not None: + destructor(cdata) + + new_cdata = self.cast(self.typeof(cdata), cdata) + assert new_cdata is not cdata + weak_cache[MyRef(new_cdata, remove)] = (cdata, destructor) + return new_cdata + + typeof = type + + def getcname(self, BType, replace_with): + return BType._get_c_name(replace_with) + + def typeoffsetof(self, BType, fieldname, num=0): + if isinstance(fieldname, str): + if num == 0 and issubclass(BType, CTypesGenericPtr): + BType = BType._BItem + if not issubclass(BType, CTypesBaseStructOrUnion): + raise TypeError("expected a struct or union ctype") + BField = BType._bfield_types[fieldname] + if BField is Ellipsis: + raise TypeError("not supported for bitfields") + return (BField, BType._offsetof(fieldname)) + elif isinstance(fieldname, (int, long)): + if issubclass(BType, CTypesGenericArray): + BType = BType._CTPtr + if not issubclass(BType, CTypesGenericPtr): + raise TypeError("expected an array or ptr ctype") + BItem = BType._BItem + offset = BItem._get_size() * fieldname + if offset > sys.maxsize: + raise OverflowError + return (BItem, offset) + else: + raise TypeError(type(fieldname)) + + def rawaddressof(self, BTypePtr, cdata, offset=None): + if isinstance(cdata, CTypesBaseStructOrUnion): + ptr = ctypes.pointer(type(cdata)._to_ctypes(cdata)) + elif isinstance(cdata, CTypesGenericPtr): + if offset is None or not issubclass(type(cdata)._BItem, + CTypesBaseStructOrUnion): + raise TypeError("unexpected cdata type") + ptr = type(cdata)._to_ctypes(cdata) + elif isinstance(cdata, CTypesGenericArray): + ptr = type(cdata)._to_ctypes(cdata) + else: + raise TypeError("expected a ") + if offset: + ptr = ctypes.cast( + ctypes.c_void_p( + ctypes.cast(ptr, ctypes.c_void_p).value + offset), + type(ptr)) + return BTypePtr._from_ctypes(ptr) + + +class CTypesLibrary(object): + + def __init__(self, backend, cdll): + self.backend = backend + self.cdll = cdll + + def load_function(self, BType, name): + c_func = getattr(self.cdll, name) + funcobj = BType._from_ctypes(c_func) + funcobj._name = name + return funcobj + + def read_variable(self, BType, name): + try: + ctypes_obj = BType._ctype.in_dll(self.cdll, name) + except AttributeError as e: + raise NotImplementedError(e) + return BType._from_ctypes(ctypes_obj) + + def write_variable(self, BType, name, value): + new_ctypes_obj = BType._to_ctypes(value) + ctypes_obj = BType._ctype.in_dll(self.cdll, name) + ctypes.memmove(ctypes.addressof(ctypes_obj), + ctypes.addressof(new_ctypes_obj), + ctypes.sizeof(BType._ctype)) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/cffi_opcode.py b/backend/mb-env/lib/python3.9/site-packages/cffi/cffi_opcode.py new file mode 100644 index 0000000..a0df98d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/cffi_opcode.py @@ -0,0 +1,187 @@ +from .error import VerificationError + +class CffiOp(object): + def __init__(self, op, arg): + self.op = op + self.arg = arg + + def as_c_expr(self): + if self.op is None: + assert isinstance(self.arg, str) + return '(_cffi_opcode_t)(%s)' % (self.arg,) + classname = CLASS_NAME[self.op] + return '_CFFI_OP(_CFFI_OP_%s, %s)' % (classname, self.arg) + + def as_python_bytes(self): + if self.op is None and self.arg.isdigit(): + value = int(self.arg) # non-negative: '-' not in self.arg + if value >= 2**31: + raise OverflowError("cannot emit %r: limited to 2**31-1" + % (self.arg,)) + return format_four_bytes(value) + if isinstance(self.arg, str): + raise VerificationError("cannot emit to Python: %r" % (self.arg,)) + return format_four_bytes((self.arg << 8) | self.op) + + def __str__(self): + classname = CLASS_NAME.get(self.op, self.op) + return '(%s %s)' % (classname, self.arg) + +def format_four_bytes(num): + return '\\x%02X\\x%02X\\x%02X\\x%02X' % ( + (num >> 24) & 0xFF, + (num >> 16) & 0xFF, + (num >> 8) & 0xFF, + (num ) & 0xFF) + +OP_PRIMITIVE = 1 +OP_POINTER = 3 +OP_ARRAY = 5 +OP_OPEN_ARRAY = 7 +OP_STRUCT_UNION = 9 +OP_ENUM = 11 +OP_FUNCTION = 13 +OP_FUNCTION_END = 15 +OP_NOOP = 17 +OP_BITFIELD = 19 +OP_TYPENAME = 21 +OP_CPYTHON_BLTN_V = 23 # varargs +OP_CPYTHON_BLTN_N = 25 # noargs +OP_CPYTHON_BLTN_O = 27 # O (i.e. a single arg) +OP_CONSTANT = 29 +OP_CONSTANT_INT = 31 +OP_GLOBAL_VAR = 33 +OP_DLOPEN_FUNC = 35 +OP_DLOPEN_CONST = 37 +OP_GLOBAL_VAR_F = 39 +OP_EXTERN_PYTHON = 41 + +PRIM_VOID = 0 +PRIM_BOOL = 1 +PRIM_CHAR = 2 +PRIM_SCHAR = 3 +PRIM_UCHAR = 4 +PRIM_SHORT = 5 +PRIM_USHORT = 6 +PRIM_INT = 7 +PRIM_UINT = 8 +PRIM_LONG = 9 +PRIM_ULONG = 10 +PRIM_LONGLONG = 11 +PRIM_ULONGLONG = 12 +PRIM_FLOAT = 13 +PRIM_DOUBLE = 14 +PRIM_LONGDOUBLE = 15 + +PRIM_WCHAR = 16 +PRIM_INT8 = 17 +PRIM_UINT8 = 18 +PRIM_INT16 = 19 +PRIM_UINT16 = 20 +PRIM_INT32 = 21 +PRIM_UINT32 = 22 +PRIM_INT64 = 23 +PRIM_UINT64 = 24 +PRIM_INTPTR = 25 +PRIM_UINTPTR = 26 +PRIM_PTRDIFF = 27 +PRIM_SIZE = 28 +PRIM_SSIZE = 29 +PRIM_INT_LEAST8 = 30 +PRIM_UINT_LEAST8 = 31 +PRIM_INT_LEAST16 = 32 +PRIM_UINT_LEAST16 = 33 +PRIM_INT_LEAST32 = 34 +PRIM_UINT_LEAST32 = 35 +PRIM_INT_LEAST64 = 36 +PRIM_UINT_LEAST64 = 37 +PRIM_INT_FAST8 = 38 +PRIM_UINT_FAST8 = 39 +PRIM_INT_FAST16 = 40 +PRIM_UINT_FAST16 = 41 +PRIM_INT_FAST32 = 42 +PRIM_UINT_FAST32 = 43 +PRIM_INT_FAST64 = 44 +PRIM_UINT_FAST64 = 45 +PRIM_INTMAX = 46 +PRIM_UINTMAX = 47 +PRIM_FLOATCOMPLEX = 48 +PRIM_DOUBLECOMPLEX = 49 +PRIM_CHAR16 = 50 +PRIM_CHAR32 = 51 + +_NUM_PRIM = 52 +_UNKNOWN_PRIM = -1 +_UNKNOWN_FLOAT_PRIM = -2 +_UNKNOWN_LONG_DOUBLE = -3 + +_IO_FILE_STRUCT = -1 + +PRIMITIVE_TO_INDEX = { + 'char': PRIM_CHAR, + 'short': PRIM_SHORT, + 'int': PRIM_INT, + 'long': PRIM_LONG, + 'long long': PRIM_LONGLONG, + 'signed char': PRIM_SCHAR, + 'unsigned char': PRIM_UCHAR, + 'unsigned short': PRIM_USHORT, + 'unsigned int': PRIM_UINT, + 'unsigned long': PRIM_ULONG, + 'unsigned long long': PRIM_ULONGLONG, + 'float': PRIM_FLOAT, + 'double': PRIM_DOUBLE, + 'long double': PRIM_LONGDOUBLE, + 'float _Complex': PRIM_FLOATCOMPLEX, + 'double _Complex': PRIM_DOUBLECOMPLEX, + '_Bool': PRIM_BOOL, + 'wchar_t': PRIM_WCHAR, + 'char16_t': PRIM_CHAR16, + 'char32_t': PRIM_CHAR32, + 'int8_t': PRIM_INT8, + 'uint8_t': PRIM_UINT8, + 'int16_t': PRIM_INT16, + 'uint16_t': PRIM_UINT16, + 'int32_t': PRIM_INT32, + 'uint32_t': PRIM_UINT32, + 'int64_t': PRIM_INT64, + 'uint64_t': PRIM_UINT64, + 'intptr_t': PRIM_INTPTR, + 'uintptr_t': PRIM_UINTPTR, + 'ptrdiff_t': PRIM_PTRDIFF, + 'size_t': PRIM_SIZE, + 'ssize_t': PRIM_SSIZE, + 'int_least8_t': PRIM_INT_LEAST8, + 'uint_least8_t': PRIM_UINT_LEAST8, + 'int_least16_t': PRIM_INT_LEAST16, + 'uint_least16_t': PRIM_UINT_LEAST16, + 'int_least32_t': PRIM_INT_LEAST32, + 'uint_least32_t': PRIM_UINT_LEAST32, + 'int_least64_t': PRIM_INT_LEAST64, + 'uint_least64_t': PRIM_UINT_LEAST64, + 'int_fast8_t': PRIM_INT_FAST8, + 'uint_fast8_t': PRIM_UINT_FAST8, + 'int_fast16_t': PRIM_INT_FAST16, + 'uint_fast16_t': PRIM_UINT_FAST16, + 'int_fast32_t': PRIM_INT_FAST32, + 'uint_fast32_t': PRIM_UINT_FAST32, + 'int_fast64_t': PRIM_INT_FAST64, + 'uint_fast64_t': PRIM_UINT_FAST64, + 'intmax_t': PRIM_INTMAX, + 'uintmax_t': PRIM_UINTMAX, + } + +F_UNION = 0x01 +F_CHECK_FIELDS = 0x02 +F_PACKED = 0x04 +F_EXTERNAL = 0x08 +F_OPAQUE = 0x10 + +G_FLAGS = dict([('_CFFI_' + _key, globals()[_key]) + for _key in ['F_UNION', 'F_CHECK_FIELDS', 'F_PACKED', + 'F_EXTERNAL', 'F_OPAQUE']]) + +CLASS_NAME = {} +for _name, _value in list(globals().items()): + if _name.startswith('OP_') and isinstance(_value, int): + CLASS_NAME[_value] = _name[3:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/commontypes.py b/backend/mb-env/lib/python3.9/site-packages/cffi/commontypes.py new file mode 100644 index 0000000..8ec97c7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/commontypes.py @@ -0,0 +1,80 @@ +import sys +from . import model +from .error import FFIError + + +COMMON_TYPES = {} + +try: + # fetch "bool" and all simple Windows types + from _cffi_backend import _get_common_types + _get_common_types(COMMON_TYPES) +except ImportError: + pass + +COMMON_TYPES['FILE'] = model.unknown_type('FILE', '_IO_FILE') +COMMON_TYPES['bool'] = '_Bool' # in case we got ImportError above + +for _type in model.PrimitiveType.ALL_PRIMITIVE_TYPES: + if _type.endswith('_t'): + COMMON_TYPES[_type] = _type +del _type + +_CACHE = {} + +def resolve_common_type(parser, commontype): + try: + return _CACHE[commontype] + except KeyError: + cdecl = COMMON_TYPES.get(commontype, commontype) + if not isinstance(cdecl, str): + result, quals = cdecl, 0 # cdecl is already a BaseType + elif cdecl in model.PrimitiveType.ALL_PRIMITIVE_TYPES: + result, quals = model.PrimitiveType(cdecl), 0 + elif cdecl == 'set-unicode-needed': + raise FFIError("The Windows type %r is only available after " + "you call ffi.set_unicode()" % (commontype,)) + else: + if commontype == cdecl: + raise FFIError( + "Unsupported type: %r. Please look at " + "http://cffi.readthedocs.io/en/latest/cdef.html#ffi-cdef-limitations " + "and file an issue if you think this type should really " + "be supported." % (commontype,)) + result, quals = parser.parse_type_and_quals(cdecl) # recursive + + assert isinstance(result, model.BaseTypeByIdentity) + _CACHE[commontype] = result, quals + return result, quals + + +# ____________________________________________________________ +# extra types for Windows (most of them are in commontypes.c) + + +def win_common_types(): + return { + "UNICODE_STRING": model.StructType( + "_UNICODE_STRING", + ["Length", + "MaximumLength", + "Buffer"], + [model.PrimitiveType("unsigned short"), + model.PrimitiveType("unsigned short"), + model.PointerType(model.PrimitiveType("wchar_t"))], + [-1, -1, -1]), + "PUNICODE_STRING": "UNICODE_STRING *", + "PCUNICODE_STRING": "const UNICODE_STRING *", + + "TBYTE": "set-unicode-needed", + "TCHAR": "set-unicode-needed", + "LPCTSTR": "set-unicode-needed", + "PCTSTR": "set-unicode-needed", + "LPTSTR": "set-unicode-needed", + "PTSTR": "set-unicode-needed", + "PTBYTE": "set-unicode-needed", + "PTCHAR": "set-unicode-needed", + } + +if sys.platform == 'win32': + COMMON_TYPES.update(win_common_types()) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/cparser.py b/backend/mb-env/lib/python3.9/site-packages/cffi/cparser.py new file mode 100644 index 0000000..74830e9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/cparser.py @@ -0,0 +1,1006 @@ +from . import model +from .commontypes import COMMON_TYPES, resolve_common_type +from .error import FFIError, CDefError +try: + from . import _pycparser as pycparser +except ImportError: + import pycparser +import weakref, re, sys + +try: + if sys.version_info < (3,): + import thread as _thread + else: + import _thread + lock = _thread.allocate_lock() +except ImportError: + lock = None + +def _workaround_for_static_import_finders(): + # Issue #392: packaging tools like cx_Freeze can not find these + # because pycparser uses exec dynamic import. This is an obscure + # workaround. This function is never called. + import pycparser.yacctab + import pycparser.lextab + +CDEF_SOURCE_STRING = "" +_r_comment = re.compile(r"/\*.*?\*/|//([^\n\\]|\\.)*?$", + re.DOTALL | re.MULTILINE) +_r_define = re.compile(r"^\s*#\s*define\s+([A-Za-z_][A-Za-z_0-9]*)" + r"\b((?:[^\n\\]|\\.)*?)$", + re.DOTALL | re.MULTILINE) +_r_line_directive = re.compile(r"^[ \t]*#[ \t]*(?:line|\d+)\b.*$", re.MULTILINE) +_r_partial_enum = re.compile(r"=\s*\.\.\.\s*[,}]|\.\.\.\s*\}") +_r_enum_dotdotdot = re.compile(r"__dotdotdot\d+__$") +_r_partial_array = re.compile(r"\[\s*\.\.\.\s*\]") +_r_words = re.compile(r"\w+|\S") +_parser_cache = None +_r_int_literal = re.compile(r"-?0?x?[0-9a-f]+[lu]*$", re.IGNORECASE) +_r_stdcall1 = re.compile(r"\b(__stdcall|WINAPI)\b") +_r_stdcall2 = re.compile(r"[(]\s*(__stdcall|WINAPI)\b") +_r_cdecl = re.compile(r"\b__cdecl\b") +_r_extern_python = re.compile(r'\bextern\s*"' + r'(Python|Python\s*\+\s*C|C\s*\+\s*Python)"\s*.') +_r_star_const_space = re.compile( # matches "* const " + r"[*]\s*((const|volatile|restrict)\b\s*)+") +_r_int_dotdotdot = re.compile(r"(\b(int|long|short|signed|unsigned|char)\s*)+" + r"\.\.\.") +_r_float_dotdotdot = re.compile(r"\b(double|float)\s*\.\.\.") + +def _get_parser(): + global _parser_cache + if _parser_cache is None: + _parser_cache = pycparser.CParser() + return _parser_cache + +def _workaround_for_old_pycparser(csource): + # Workaround for a pycparser issue (fixed between pycparser 2.10 and + # 2.14): "char*const***" gives us a wrong syntax tree, the same as + # for "char***(*const)". This means we can't tell the difference + # afterwards. But "char(*const(***))" gives us the right syntax + # tree. The issue only occurs if there are several stars in + # sequence with no parenthesis inbetween, just possibly qualifiers. + # Attempt to fix it by adding some parentheses in the source: each + # time we see "* const" or "* const *", we add an opening + # parenthesis before each star---the hard part is figuring out where + # to close them. + parts = [] + while True: + match = _r_star_const_space.search(csource) + if not match: + break + #print repr(''.join(parts)+csource), '=>', + parts.append(csource[:match.start()]) + parts.append('('); closing = ')' + parts.append(match.group()) # e.g. "* const " + endpos = match.end() + if csource.startswith('*', endpos): + parts.append('('); closing += ')' + level = 0 + i = endpos + while i < len(csource): + c = csource[i] + if c == '(': + level += 1 + elif c == ')': + if level == 0: + break + level -= 1 + elif c in ',;=': + if level == 0: + break + i += 1 + csource = csource[endpos:i] + closing + csource[i:] + #print repr(''.join(parts)+csource) + parts.append(csource) + return ''.join(parts) + +def _preprocess_extern_python(csource): + # input: `extern "Python" int foo(int);` or + # `extern "Python" { int foo(int); }` + # output: + # void __cffi_extern_python_start; + # int foo(int); + # void __cffi_extern_python_stop; + # + # input: `extern "Python+C" int foo(int);` + # output: + # void __cffi_extern_python_plus_c_start; + # int foo(int); + # void __cffi_extern_python_stop; + parts = [] + while True: + match = _r_extern_python.search(csource) + if not match: + break + endpos = match.end() - 1 + #print + #print ''.join(parts)+csource + #print '=>' + parts.append(csource[:match.start()]) + if 'C' in match.group(1): + parts.append('void __cffi_extern_python_plus_c_start; ') + else: + parts.append('void __cffi_extern_python_start; ') + if csource[endpos] == '{': + # grouping variant + closing = csource.find('}', endpos) + if closing < 0: + raise CDefError("'extern \"Python\" {': no '}' found") + if csource.find('{', endpos + 1, closing) >= 0: + raise NotImplementedError("cannot use { } inside a block " + "'extern \"Python\" { ... }'") + parts.append(csource[endpos+1:closing]) + csource = csource[closing+1:] + else: + # non-grouping variant + semicolon = csource.find(';', endpos) + if semicolon < 0: + raise CDefError("'extern \"Python\": no ';' found") + parts.append(csource[endpos:semicolon+1]) + csource = csource[semicolon+1:] + parts.append(' void __cffi_extern_python_stop;') + #print ''.join(parts)+csource + #print + parts.append(csource) + return ''.join(parts) + +def _warn_for_string_literal(csource): + if '"' not in csource: + return + for line in csource.splitlines(): + if '"' in line and not line.lstrip().startswith('#'): + import warnings + warnings.warn("String literal found in cdef() or type source. " + "String literals are ignored here, but you should " + "remove them anyway because some character sequences " + "confuse pre-parsing.") + break + +def _warn_for_non_extern_non_static_global_variable(decl): + if not decl.storage: + import warnings + warnings.warn("Global variable '%s' in cdef(): for consistency " + "with C it should have a storage class specifier " + "(usually 'extern')" % (decl.name,)) + +def _remove_line_directives(csource): + # _r_line_directive matches whole lines, without the final \n, if they + # start with '#line' with some spacing allowed, or '#NUMBER'. This + # function stores them away and replaces them with exactly the string + # '#line@N', where N is the index in the list 'line_directives'. + line_directives = [] + def replace(m): + i = len(line_directives) + line_directives.append(m.group()) + return '#line@%d' % i + csource = _r_line_directive.sub(replace, csource) + return csource, line_directives + +def _put_back_line_directives(csource, line_directives): + def replace(m): + s = m.group() + if not s.startswith('#line@'): + raise AssertionError("unexpected #line directive " + "(should have been processed and removed") + return line_directives[int(s[6:])] + return _r_line_directive.sub(replace, csource) + +def _preprocess(csource): + # First, remove the lines of the form '#line N "filename"' because + # the "filename" part could confuse the rest + csource, line_directives = _remove_line_directives(csource) + # Remove comments. NOTE: this only work because the cdef() section + # should not contain any string literals (except in line directives)! + def replace_keeping_newlines(m): + return ' ' + m.group().count('\n') * '\n' + csource = _r_comment.sub(replace_keeping_newlines, csource) + # Remove the "#define FOO x" lines + macros = {} + for match in _r_define.finditer(csource): + macroname, macrovalue = match.groups() + macrovalue = macrovalue.replace('\\\n', '').strip() + macros[macroname] = macrovalue + csource = _r_define.sub('', csource) + # + if pycparser.__version__ < '2.14': + csource = _workaround_for_old_pycparser(csource) + # + # BIG HACK: replace WINAPI or __stdcall with "volatile const". + # It doesn't make sense for the return type of a function to be + # "volatile volatile const", so we abuse it to detect __stdcall... + # Hack number 2 is that "int(volatile *fptr)();" is not valid C + # syntax, so we place the "volatile" before the opening parenthesis. + csource = _r_stdcall2.sub(' volatile volatile const(', csource) + csource = _r_stdcall1.sub(' volatile volatile const ', csource) + csource = _r_cdecl.sub(' ', csource) + # + # Replace `extern "Python"` with start/end markers + csource = _preprocess_extern_python(csource) + # + # Now there should not be any string literal left; warn if we get one + _warn_for_string_literal(csource) + # + # Replace "[...]" with "[__dotdotdotarray__]" + csource = _r_partial_array.sub('[__dotdotdotarray__]', csource) + # + # Replace "...}" with "__dotdotdotNUM__}". This construction should + # occur only at the end of enums; at the end of structs we have "...;}" + # and at the end of vararg functions "...);". Also replace "=...[,}]" + # with ",__dotdotdotNUM__[,}]": this occurs in the enums too, when + # giving an unknown value. + matches = list(_r_partial_enum.finditer(csource)) + for number, match in enumerate(reversed(matches)): + p = match.start() + if csource[p] == '=': + p2 = csource.find('...', p, match.end()) + assert p2 > p + csource = '%s,__dotdotdot%d__ %s' % (csource[:p], number, + csource[p2+3:]) + else: + assert csource[p:p+3] == '...' + csource = '%s __dotdotdot%d__ %s' % (csource[:p], number, + csource[p+3:]) + # Replace "int ..." or "unsigned long int..." with "__dotdotdotint__" + csource = _r_int_dotdotdot.sub(' __dotdotdotint__ ', csource) + # Replace "float ..." or "double..." with "__dotdotdotfloat__" + csource = _r_float_dotdotdot.sub(' __dotdotdotfloat__ ', csource) + # Replace all remaining "..." with the same name, "__dotdotdot__", + # which is declared with a typedef for the purpose of C parsing. + csource = csource.replace('...', ' __dotdotdot__ ') + # Finally, put back the line directives + csource = _put_back_line_directives(csource, line_directives) + return csource, macros + +def _common_type_names(csource): + # Look in the source for what looks like usages of types from the + # list of common types. A "usage" is approximated here as the + # appearance of the word, minus a "definition" of the type, which + # is the last word in a "typedef" statement. Approximative only + # but should be fine for all the common types. + look_for_words = set(COMMON_TYPES) + look_for_words.add(';') + look_for_words.add(',') + look_for_words.add('(') + look_for_words.add(')') + look_for_words.add('typedef') + words_used = set() + is_typedef = False + paren = 0 + previous_word = '' + for word in _r_words.findall(csource): + if word in look_for_words: + if word == ';': + if is_typedef: + words_used.discard(previous_word) + look_for_words.discard(previous_word) + is_typedef = False + elif word == 'typedef': + is_typedef = True + paren = 0 + elif word == '(': + paren += 1 + elif word == ')': + paren -= 1 + elif word == ',': + if is_typedef and paren == 0: + words_used.discard(previous_word) + look_for_words.discard(previous_word) + else: # word in COMMON_TYPES + words_used.add(word) + previous_word = word + return words_used + + +class Parser(object): + + def __init__(self): + self._declarations = {} + self._included_declarations = set() + self._anonymous_counter = 0 + self._structnode2type = weakref.WeakKeyDictionary() + self._options = {} + self._int_constants = {} + self._recomplete = [] + self._uses_new_feature = None + + def _parse(self, csource): + csource, macros = _preprocess(csource) + # XXX: for more efficiency we would need to poke into the + # internals of CParser... the following registers the + # typedefs, because their presence or absence influences the + # parsing itself (but what they are typedef'ed to plays no role) + ctn = _common_type_names(csource) + typenames = [] + for name in sorted(self._declarations): + if name.startswith('typedef '): + name = name[8:] + typenames.append(name) + ctn.discard(name) + typenames += sorted(ctn) + # + csourcelines = [] + csourcelines.append('# 1 ""') + for typename in typenames: + csourcelines.append('typedef int %s;' % typename) + csourcelines.append('typedef int __dotdotdotint__, __dotdotdotfloat__,' + ' __dotdotdot__;') + # this forces pycparser to consider the following in the file + # called from line 1 + csourcelines.append('# 1 "%s"' % (CDEF_SOURCE_STRING,)) + csourcelines.append(csource) + fullcsource = '\n'.join(csourcelines) + if lock is not None: + lock.acquire() # pycparser is not thread-safe... + try: + ast = _get_parser().parse(fullcsource) + except pycparser.c_parser.ParseError as e: + self.convert_pycparser_error(e, csource) + finally: + if lock is not None: + lock.release() + # csource will be used to find buggy source text + return ast, macros, csource + + def _convert_pycparser_error(self, e, csource): + # xxx look for ":NUM:" at the start of str(e) + # and interpret that as a line number. This will not work if + # the user gives explicit ``# NUM "FILE"`` directives. + line = None + msg = str(e) + match = re.match(r"%s:(\d+):" % (CDEF_SOURCE_STRING,), msg) + if match: + linenum = int(match.group(1), 10) + csourcelines = csource.splitlines() + if 1 <= linenum <= len(csourcelines): + line = csourcelines[linenum-1] + return line + + def convert_pycparser_error(self, e, csource): + line = self._convert_pycparser_error(e, csource) + + msg = str(e) + if line: + msg = 'cannot parse "%s"\n%s' % (line.strip(), msg) + else: + msg = 'parse error\n%s' % (msg,) + raise CDefError(msg) + + def parse(self, csource, override=False, packed=False, pack=None, + dllexport=False): + if packed: + if packed != True: + raise ValueError("'packed' should be False or True; use " + "'pack' to give another value") + if pack: + raise ValueError("cannot give both 'pack' and 'packed'") + pack = 1 + elif pack: + if pack & (pack - 1): + raise ValueError("'pack' must be a power of two, not %r" % + (pack,)) + else: + pack = 0 + prev_options = self._options + try: + self._options = {'override': override, + 'packed': pack, + 'dllexport': dllexport} + self._internal_parse(csource) + finally: + self._options = prev_options + + def _internal_parse(self, csource): + ast, macros, csource = self._parse(csource) + # add the macros + self._process_macros(macros) + # find the first "__dotdotdot__" and use that as a separator + # between the repeated typedefs and the real csource + iterator = iter(ast.ext) + for decl in iterator: + if decl.name == '__dotdotdot__': + break + else: + assert 0 + current_decl = None + # + try: + self._inside_extern_python = '__cffi_extern_python_stop' + for decl in iterator: + current_decl = decl + if isinstance(decl, pycparser.c_ast.Decl): + self._parse_decl(decl) + elif isinstance(decl, pycparser.c_ast.Typedef): + if not decl.name: + raise CDefError("typedef does not declare any name", + decl) + quals = 0 + if (isinstance(decl.type.type, pycparser.c_ast.IdentifierType) and + decl.type.type.names[-1].startswith('__dotdotdot')): + realtype = self._get_unknown_type(decl) + elif (isinstance(decl.type, pycparser.c_ast.PtrDecl) and + isinstance(decl.type.type, pycparser.c_ast.TypeDecl) and + isinstance(decl.type.type.type, + pycparser.c_ast.IdentifierType) and + decl.type.type.type.names[-1].startswith('__dotdotdot')): + realtype = self._get_unknown_ptr_type(decl) + else: + realtype, quals = self._get_type_and_quals( + decl.type, name=decl.name, partial_length_ok=True, + typedef_example="*(%s *)0" % (decl.name,)) + self._declare('typedef ' + decl.name, realtype, quals=quals) + elif decl.__class__.__name__ == 'Pragma': + pass # skip pragma, only in pycparser 2.15 + else: + raise CDefError("unexpected <%s>: this construct is valid " + "C but not valid in cdef()" % + decl.__class__.__name__, decl) + except CDefError as e: + if len(e.args) == 1: + e.args = e.args + (current_decl,) + raise + except FFIError as e: + msg = self._convert_pycparser_error(e, csource) + if msg: + e.args = (e.args[0] + "\n *** Err: %s" % msg,) + raise + + def _add_constants(self, key, val): + if key in self._int_constants: + if self._int_constants[key] == val: + return # ignore identical double declarations + raise FFIError( + "multiple declarations of constant: %s" % (key,)) + self._int_constants[key] = val + + def _add_integer_constant(self, name, int_str): + int_str = int_str.lower().rstrip("ul") + neg = int_str.startswith('-') + if neg: + int_str = int_str[1:] + # "010" is not valid oct in py3 + if (int_str.startswith("0") and int_str != '0' + and not int_str.startswith("0x")): + int_str = "0o" + int_str[1:] + pyvalue = int(int_str, 0) + if neg: + pyvalue = -pyvalue + self._add_constants(name, pyvalue) + self._declare('macro ' + name, pyvalue) + + def _process_macros(self, macros): + for key, value in macros.items(): + value = value.strip() + if _r_int_literal.match(value): + self._add_integer_constant(key, value) + elif value == '...': + self._declare('macro ' + key, value) + else: + raise CDefError( + 'only supports one of the following syntax:\n' + ' #define %s ... (literally dot-dot-dot)\n' + ' #define %s NUMBER (with NUMBER an integer' + ' constant, decimal/hex/octal)\n' + 'got:\n' + ' #define %s %s' + % (key, key, key, value)) + + def _declare_function(self, tp, quals, decl): + tp = self._get_type_pointer(tp, quals) + if self._options.get('dllexport'): + tag = 'dllexport_python ' + elif self._inside_extern_python == '__cffi_extern_python_start': + tag = 'extern_python ' + elif self._inside_extern_python == '__cffi_extern_python_plus_c_start': + tag = 'extern_python_plus_c ' + else: + tag = 'function ' + self._declare(tag + decl.name, tp) + + def _parse_decl(self, decl): + node = decl.type + if isinstance(node, pycparser.c_ast.FuncDecl): + tp, quals = self._get_type_and_quals(node, name=decl.name) + assert isinstance(tp, model.RawFunctionType) + self._declare_function(tp, quals, decl) + else: + if isinstance(node, pycparser.c_ast.Struct): + self._get_struct_union_enum_type('struct', node) + elif isinstance(node, pycparser.c_ast.Union): + self._get_struct_union_enum_type('union', node) + elif isinstance(node, pycparser.c_ast.Enum): + self._get_struct_union_enum_type('enum', node) + elif not decl.name: + raise CDefError("construct does not declare any variable", + decl) + # + if decl.name: + tp, quals = self._get_type_and_quals(node, + partial_length_ok=True) + if tp.is_raw_function: + self._declare_function(tp, quals, decl) + elif (tp.is_integer_type() and + hasattr(decl, 'init') and + hasattr(decl.init, 'value') and + _r_int_literal.match(decl.init.value)): + self._add_integer_constant(decl.name, decl.init.value) + elif (tp.is_integer_type() and + isinstance(decl.init, pycparser.c_ast.UnaryOp) and + decl.init.op == '-' and + hasattr(decl.init.expr, 'value') and + _r_int_literal.match(decl.init.expr.value)): + self._add_integer_constant(decl.name, + '-' + decl.init.expr.value) + elif (tp is model.void_type and + decl.name.startswith('__cffi_extern_python_')): + # hack: `extern "Python"` in the C source is replaced + # with "void __cffi_extern_python_start;" and + # "void __cffi_extern_python_stop;" + self._inside_extern_python = decl.name + else: + if self._inside_extern_python !='__cffi_extern_python_stop': + raise CDefError( + "cannot declare constants or " + "variables with 'extern \"Python\"'") + if (quals & model.Q_CONST) and not tp.is_array_type: + self._declare('constant ' + decl.name, tp, quals=quals) + else: + _warn_for_non_extern_non_static_global_variable(decl) + self._declare('variable ' + decl.name, tp, quals=quals) + + def parse_type(self, cdecl): + return self.parse_type_and_quals(cdecl)[0] + + def parse_type_and_quals(self, cdecl): + ast, macros = self._parse('void __dummy(\n%s\n);' % cdecl)[:2] + assert not macros + exprnode = ast.ext[-1].type.args.params[0] + if isinstance(exprnode, pycparser.c_ast.ID): + raise CDefError("unknown identifier '%s'" % (exprnode.name,)) + return self._get_type_and_quals(exprnode.type) + + def _declare(self, name, obj, included=False, quals=0): + if name in self._declarations: + prevobj, prevquals = self._declarations[name] + if prevobj is obj and prevquals == quals: + return + if not self._options.get('override'): + raise FFIError( + "multiple declarations of %s (for interactive usage, " + "try cdef(xx, override=True))" % (name,)) + assert '__dotdotdot__' not in name.split() + self._declarations[name] = (obj, quals) + if included: + self._included_declarations.add(obj) + + def _extract_quals(self, type): + quals = 0 + if isinstance(type, (pycparser.c_ast.TypeDecl, + pycparser.c_ast.PtrDecl)): + if 'const' in type.quals: + quals |= model.Q_CONST + if 'volatile' in type.quals: + quals |= model.Q_VOLATILE + if 'restrict' in type.quals: + quals |= model.Q_RESTRICT + return quals + + def _get_type_pointer(self, type, quals, declname=None): + if isinstance(type, model.RawFunctionType): + return type.as_function_pointer() + if (isinstance(type, model.StructOrUnionOrEnum) and + type.name.startswith('$') and type.name[1:].isdigit() and + type.forcename is None and declname is not None): + return model.NamedPointerType(type, declname, quals) + return model.PointerType(type, quals) + + def _get_type_and_quals(self, typenode, name=None, partial_length_ok=False, + typedef_example=None): + # first, dereference typedefs, if we have it already parsed, we're good + if (isinstance(typenode, pycparser.c_ast.TypeDecl) and + isinstance(typenode.type, pycparser.c_ast.IdentifierType) and + len(typenode.type.names) == 1 and + ('typedef ' + typenode.type.names[0]) in self._declarations): + tp, quals = self._declarations['typedef ' + typenode.type.names[0]] + quals |= self._extract_quals(typenode) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.ArrayDecl): + # array type + if typenode.dim is None: + length = None + else: + length = self._parse_constant( + typenode.dim, partial_length_ok=partial_length_ok) + # a hack: in 'typedef int foo_t[...][...];', don't use '...' as + # the length but use directly the C expression that would be + # generated by recompiler.py. This lets the typedef be used in + # many more places within recompiler.py + if typedef_example is not None: + if length == '...': + length = '_cffi_array_len(%s)' % (typedef_example,) + typedef_example = "*" + typedef_example + # + tp, quals = self._get_type_and_quals(typenode.type, + partial_length_ok=partial_length_ok, + typedef_example=typedef_example) + return model.ArrayType(tp, length), quals + # + if isinstance(typenode, pycparser.c_ast.PtrDecl): + # pointer type + itemtype, itemquals = self._get_type_and_quals(typenode.type) + tp = self._get_type_pointer(itemtype, itemquals, declname=name) + quals = self._extract_quals(typenode) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.TypeDecl): + quals = self._extract_quals(typenode) + type = typenode.type + if isinstance(type, pycparser.c_ast.IdentifierType): + # assume a primitive type. get it from .names, but reduce + # synonyms to a single chosen combination + names = list(type.names) + if names != ['signed', 'char']: # keep this unmodified + prefixes = {} + while names: + name = names[0] + if name in ('short', 'long', 'signed', 'unsigned'): + prefixes[name] = prefixes.get(name, 0) + 1 + del names[0] + else: + break + # ignore the 'signed' prefix below, and reorder the others + newnames = [] + for prefix in ('unsigned', 'short', 'long'): + for i in range(prefixes.get(prefix, 0)): + newnames.append(prefix) + if not names: + names = ['int'] # implicitly + if names == ['int']: # but kill it if 'short' or 'long' + if 'short' in prefixes or 'long' in prefixes: + names = [] + names = newnames + names + ident = ' '.join(names) + if ident == 'void': + return model.void_type, quals + if ident == '__dotdotdot__': + raise FFIError(':%d: bad usage of "..."' % + typenode.coord.line) + tp0, quals0 = resolve_common_type(self, ident) + return tp0, (quals | quals0) + # + if isinstance(type, pycparser.c_ast.Struct): + # 'struct foobar' + tp = self._get_struct_union_enum_type('struct', type, name) + return tp, quals + # + if isinstance(type, pycparser.c_ast.Union): + # 'union foobar' + tp = self._get_struct_union_enum_type('union', type, name) + return tp, quals + # + if isinstance(type, pycparser.c_ast.Enum): + # 'enum foobar' + tp = self._get_struct_union_enum_type('enum', type, name) + return tp, quals + # + if isinstance(typenode, pycparser.c_ast.FuncDecl): + # a function type + return self._parse_function_type(typenode, name), 0 + # + # nested anonymous structs or unions end up here + if isinstance(typenode, pycparser.c_ast.Struct): + return self._get_struct_union_enum_type('struct', typenode, name, + nested=True), 0 + if isinstance(typenode, pycparser.c_ast.Union): + return self._get_struct_union_enum_type('union', typenode, name, + nested=True), 0 + # + raise FFIError(":%d: bad or unsupported type declaration" % + typenode.coord.line) + + def _parse_function_type(self, typenode, funcname=None): + params = list(getattr(typenode.args, 'params', [])) + for i, arg in enumerate(params): + if not hasattr(arg, 'type'): + raise CDefError("%s arg %d: unknown type '%s'" + " (if you meant to use the old C syntax of giving" + " untyped arguments, it is not supported)" + % (funcname or 'in expression', i + 1, + getattr(arg, 'name', '?'))) + ellipsis = ( + len(params) > 0 and + isinstance(params[-1].type, pycparser.c_ast.TypeDecl) and + isinstance(params[-1].type.type, + pycparser.c_ast.IdentifierType) and + params[-1].type.type.names == ['__dotdotdot__']) + if ellipsis: + params.pop() + if not params: + raise CDefError( + "%s: a function with only '(...)' as argument" + " is not correct C" % (funcname or 'in expression')) + args = [self._as_func_arg(*self._get_type_and_quals(argdeclnode.type)) + for argdeclnode in params] + if not ellipsis and args == [model.void_type]: + args = [] + result, quals = self._get_type_and_quals(typenode.type) + # the 'quals' on the result type are ignored. HACK: we absure them + # to detect __stdcall functions: we textually replace "__stdcall" + # with "volatile volatile const" above. + abi = None + if hasattr(typenode.type, 'quals'): # else, probable syntax error anyway + if typenode.type.quals[-3:] == ['volatile', 'volatile', 'const']: + abi = '__stdcall' + return model.RawFunctionType(tuple(args), result, ellipsis, abi) + + def _as_func_arg(self, type, quals): + if isinstance(type, model.ArrayType): + return model.PointerType(type.item, quals) + elif isinstance(type, model.RawFunctionType): + return type.as_function_pointer() + else: + return type + + def _get_struct_union_enum_type(self, kind, type, name=None, nested=False): + # First, a level of caching on the exact 'type' node of the AST. + # This is obscure, but needed because pycparser "unrolls" declarations + # such as "typedef struct { } foo_t, *foo_p" and we end up with + # an AST that is not a tree, but a DAG, with the "type" node of the + # two branches foo_t and foo_p of the trees being the same node. + # It's a bit silly but detecting "DAG-ness" in the AST tree seems + # to be the only way to distinguish this case from two independent + # structs. See test_struct_with_two_usages. + try: + return self._structnode2type[type] + except KeyError: + pass + # + # Note that this must handle parsing "struct foo" any number of + # times and always return the same StructType object. Additionally, + # one of these times (not necessarily the first), the fields of + # the struct can be specified with "struct foo { ...fields... }". + # If no name is given, then we have to create a new anonymous struct + # with no caching; in this case, the fields are either specified + # right now or never. + # + force_name = name + name = type.name + # + # get the type or create it if needed + if name is None: + # 'force_name' is used to guess a more readable name for + # anonymous structs, for the common case "typedef struct { } foo". + if force_name is not None: + explicit_name = '$%s' % force_name + else: + self._anonymous_counter += 1 + explicit_name = '$%d' % self._anonymous_counter + tp = None + else: + explicit_name = name + key = '%s %s' % (kind, name) + tp, _ = self._declarations.get(key, (None, None)) + # + if tp is None: + if kind == 'struct': + tp = model.StructType(explicit_name, None, None, None) + elif kind == 'union': + tp = model.UnionType(explicit_name, None, None, None) + elif kind == 'enum': + if explicit_name == '__dotdotdot__': + raise CDefError("Enums cannot be declared with ...") + tp = self._build_enum_type(explicit_name, type.values) + else: + raise AssertionError("kind = %r" % (kind,)) + if name is not None: + self._declare(key, tp) + else: + if kind == 'enum' and type.values is not None: + raise NotImplementedError( + "enum %s: the '{}' declaration should appear on the first " + "time the enum is mentioned, not later" % explicit_name) + if not tp.forcename: + tp.force_the_name(force_name) + if tp.forcename and '$' in tp.name: + self._declare('anonymous %s' % tp.forcename, tp) + # + self._structnode2type[type] = tp + # + # enums: done here + if kind == 'enum': + return tp + # + # is there a 'type.decls'? If yes, then this is the place in the + # C sources that declare the fields. If no, then just return the + # existing type, possibly still incomplete. + if type.decls is None: + return tp + # + if tp.fldnames is not None: + raise CDefError("duplicate declaration of struct %s" % name) + fldnames = [] + fldtypes = [] + fldbitsize = [] + fldquals = [] + for decl in type.decls: + if (isinstance(decl.type, pycparser.c_ast.IdentifierType) and + ''.join(decl.type.names) == '__dotdotdot__'): + # XXX pycparser is inconsistent: 'names' should be a list + # of strings, but is sometimes just one string. Use + # str.join() as a way to cope with both. + self._make_partial(tp, nested) + continue + if decl.bitsize is None: + bitsize = -1 + else: + bitsize = self._parse_constant(decl.bitsize) + self._partial_length = False + type, fqual = self._get_type_and_quals(decl.type, + partial_length_ok=True) + if self._partial_length: + self._make_partial(tp, nested) + if isinstance(type, model.StructType) and type.partial: + self._make_partial(tp, nested) + fldnames.append(decl.name or '') + fldtypes.append(type) + fldbitsize.append(bitsize) + fldquals.append(fqual) + tp.fldnames = tuple(fldnames) + tp.fldtypes = tuple(fldtypes) + tp.fldbitsize = tuple(fldbitsize) + tp.fldquals = tuple(fldquals) + if fldbitsize != [-1] * len(fldbitsize): + if isinstance(tp, model.StructType) and tp.partial: + raise NotImplementedError("%s: using both bitfields and '...;'" + % (tp,)) + tp.packed = self._options.get('packed') + if tp.completed: # must be re-completed: it is not opaque any more + tp.completed = 0 + self._recomplete.append(tp) + return tp + + def _make_partial(self, tp, nested): + if not isinstance(tp, model.StructOrUnion): + raise CDefError("%s cannot be partial" % (tp,)) + if not tp.has_c_name() and not nested: + raise NotImplementedError("%s is partial but has no C name" %(tp,)) + tp.partial = True + + def _parse_constant(self, exprnode, partial_length_ok=False): + # for now, limited to expressions that are an immediate number + # or positive/negative number + if isinstance(exprnode, pycparser.c_ast.Constant): + s = exprnode.value + if '0' <= s[0] <= '9': + s = s.rstrip('uUlL') + try: + if s.startswith('0'): + return int(s, 8) + else: + return int(s, 10) + except ValueError: + if len(s) > 1: + if s.lower()[0:2] == '0x': + return int(s, 16) + elif s.lower()[0:2] == '0b': + return int(s, 2) + raise CDefError("invalid constant %r" % (s,)) + elif s[0] == "'" and s[-1] == "'" and ( + len(s) == 3 or (len(s) == 4 and s[1] == "\\")): + return ord(s[-2]) + else: + raise CDefError("invalid constant %r" % (s,)) + # + if (isinstance(exprnode, pycparser.c_ast.UnaryOp) and + exprnode.op == '+'): + return self._parse_constant(exprnode.expr) + # + if (isinstance(exprnode, pycparser.c_ast.UnaryOp) and + exprnode.op == '-'): + return -self._parse_constant(exprnode.expr) + # load previously defined int constant + if (isinstance(exprnode, pycparser.c_ast.ID) and + exprnode.name in self._int_constants): + return self._int_constants[exprnode.name] + # + if (isinstance(exprnode, pycparser.c_ast.ID) and + exprnode.name == '__dotdotdotarray__'): + if partial_length_ok: + self._partial_length = True + return '...' + raise FFIError(":%d: unsupported '[...]' here, cannot derive " + "the actual array length in this context" + % exprnode.coord.line) + # + if isinstance(exprnode, pycparser.c_ast.BinaryOp): + left = self._parse_constant(exprnode.left) + right = self._parse_constant(exprnode.right) + if exprnode.op == '+': + return left + right + elif exprnode.op == '-': + return left - right + elif exprnode.op == '*': + return left * right + elif exprnode.op == '/': + return self._c_div(left, right) + elif exprnode.op == '%': + return left - self._c_div(left, right) * right + elif exprnode.op == '<<': + return left << right + elif exprnode.op == '>>': + return left >> right + elif exprnode.op == '&': + return left & right + elif exprnode.op == '|': + return left | right + elif exprnode.op == '^': + return left ^ right + # + raise FFIError(":%d: unsupported expression: expected a " + "simple numeric constant" % exprnode.coord.line) + + def _c_div(self, a, b): + result = a // b + if ((a < 0) ^ (b < 0)) and (a % b) != 0: + result += 1 + return result + + def _build_enum_type(self, explicit_name, decls): + if decls is not None: + partial = False + enumerators = [] + enumvalues = [] + nextenumvalue = 0 + for enum in decls.enumerators: + if _r_enum_dotdotdot.match(enum.name): + partial = True + continue + if enum.value is not None: + nextenumvalue = self._parse_constant(enum.value) + enumerators.append(enum.name) + enumvalues.append(nextenumvalue) + self._add_constants(enum.name, nextenumvalue) + nextenumvalue += 1 + enumerators = tuple(enumerators) + enumvalues = tuple(enumvalues) + tp = model.EnumType(explicit_name, enumerators, enumvalues) + tp.partial = partial + else: # opaque enum + tp = model.EnumType(explicit_name, (), ()) + return tp + + def include(self, other): + for name, (tp, quals) in other._declarations.items(): + if name.startswith('anonymous $enum_$'): + continue # fix for test_anonymous_enum_include + kind = name.split(' ', 1)[0] + if kind in ('struct', 'union', 'enum', 'anonymous', 'typedef'): + self._declare(name, tp, included=True, quals=quals) + for k, v in other._int_constants.items(): + self._add_constants(k, v) + + def _get_unknown_type(self, decl): + typenames = decl.type.type.names + if typenames == ['__dotdotdot__']: + return model.unknown_type(decl.name) + + if typenames == ['__dotdotdotint__']: + if self._uses_new_feature is None: + self._uses_new_feature = "'typedef int... %s'" % decl.name + return model.UnknownIntegerType(decl.name) + + if typenames == ['__dotdotdotfloat__']: + # note: not for 'long double' so far + if self._uses_new_feature is None: + self._uses_new_feature = "'typedef float... %s'" % decl.name + return model.UnknownFloatType(decl.name) + + raise FFIError(':%d: unsupported usage of "..." in typedef' + % decl.coord.line) + + def _get_unknown_ptr_type(self, decl): + if decl.type.type.type.names == ['__dotdotdot__']: + return model.unknown_ptr_type(decl.name) + raise FFIError(':%d: unsupported usage of "..." in typedef' + % decl.coord.line) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/error.py b/backend/mb-env/lib/python3.9/site-packages/cffi/error.py new file mode 100644 index 0000000..0a27247 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/error.py @@ -0,0 +1,31 @@ + +class FFIError(Exception): + __module__ = 'cffi' + +class CDefError(Exception): + __module__ = 'cffi' + def __str__(self): + try: + current_decl = self.args[1] + filename = current_decl.coord.file + linenum = current_decl.coord.line + prefix = '%s:%d: ' % (filename, linenum) + except (AttributeError, TypeError, IndexError): + prefix = '' + return '%s%s' % (prefix, self.args[0]) + +class VerificationError(Exception): + """ An error raised when verification fails + """ + __module__ = 'cffi' + +class VerificationMissing(Exception): + """ An error raised when incomplete structures are passed into + cdef, but no verification has been done + """ + __module__ = 'cffi' + +class PkgConfigError(Exception): + """ An error raised for missing modules in pkg-config + """ + __module__ = 'cffi' diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/ffiplatform.py b/backend/mb-env/lib/python3.9/site-packages/cffi/ffiplatform.py new file mode 100644 index 0000000..8531346 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/ffiplatform.py @@ -0,0 +1,127 @@ +import sys, os +from .error import VerificationError + + +LIST_OF_FILE_NAMES = ['sources', 'include_dirs', 'library_dirs', + 'extra_objects', 'depends'] + +def get_extension(srcfilename, modname, sources=(), **kwds): + _hack_at_distutils() + from distutils.core import Extension + allsources = [srcfilename] + for src in sources: + allsources.append(os.path.normpath(src)) + return Extension(name=modname, sources=allsources, **kwds) + +def compile(tmpdir, ext, compiler_verbose=0, debug=None): + """Compile a C extension module using distutils.""" + + _hack_at_distutils() + saved_environ = os.environ.copy() + try: + outputfilename = _build(tmpdir, ext, compiler_verbose, debug) + outputfilename = os.path.abspath(outputfilename) + finally: + # workaround for a distutils bugs where some env vars can + # become longer and longer every time it is used + for key, value in saved_environ.items(): + if os.environ.get(key) != value: + os.environ[key] = value + return outputfilename + +def _build(tmpdir, ext, compiler_verbose=0, debug=None): + # XXX compact but horrible :-( + from distutils.core import Distribution + import distutils.errors, distutils.log + # + dist = Distribution({'ext_modules': [ext]}) + dist.parse_config_files() + options = dist.get_option_dict('build_ext') + if debug is None: + debug = sys.flags.debug + options['debug'] = ('ffiplatform', debug) + options['force'] = ('ffiplatform', True) + options['build_lib'] = ('ffiplatform', tmpdir) + options['build_temp'] = ('ffiplatform', tmpdir) + # + try: + old_level = distutils.log.set_threshold(0) or 0 + try: + distutils.log.set_verbosity(compiler_verbose) + dist.run_command('build_ext') + cmd_obj = dist.get_command_obj('build_ext') + [soname] = cmd_obj.get_outputs() + finally: + distutils.log.set_threshold(old_level) + except (distutils.errors.CompileError, + distutils.errors.LinkError) as e: + raise VerificationError('%s: %s' % (e.__class__.__name__, e)) + # + return soname + +try: + from os.path import samefile +except ImportError: + def samefile(f1, f2): + return os.path.abspath(f1) == os.path.abspath(f2) + +def maybe_relative_path(path): + if not os.path.isabs(path): + return path # already relative + dir = path + names = [] + while True: + prevdir = dir + dir, name = os.path.split(prevdir) + if dir == prevdir or not dir: + return path # failed to make it relative + names.append(name) + try: + if samefile(dir, os.curdir): + names.reverse() + return os.path.join(*names) + except OSError: + pass + +# ____________________________________________________________ + +try: + int_or_long = (int, long) + import cStringIO +except NameError: + int_or_long = int # Python 3 + import io as cStringIO + +def _flatten(x, f): + if isinstance(x, str): + f.write('%ds%s' % (len(x), x)) + elif isinstance(x, dict): + keys = sorted(x.keys()) + f.write('%dd' % len(keys)) + for key in keys: + _flatten(key, f) + _flatten(x[key], f) + elif isinstance(x, (list, tuple)): + f.write('%dl' % len(x)) + for value in x: + _flatten(value, f) + elif isinstance(x, int_or_long): + f.write('%di' % (x,)) + else: + raise TypeError( + "the keywords to verify() contains unsupported object %r" % (x,)) + +def flatten(x): + f = cStringIO.StringIO() + _flatten(x, f) + return f.getvalue() + +def _hack_at_distutils(): + # Windows-only workaround for some configurations: see + # https://bugs.python.org/issue23246 (Python 2.7 with + # a specific MS compiler suite download) + if sys.platform == "win32": + try: + import setuptools # for side-effects, patches distutils + except ImportError: + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/lock.py b/backend/mb-env/lib/python3.9/site-packages/cffi/lock.py new file mode 100644 index 0000000..db91b71 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/lock.py @@ -0,0 +1,30 @@ +import sys + +if sys.version_info < (3,): + try: + from thread import allocate_lock + except ImportError: + from dummy_thread import allocate_lock +else: + try: + from _thread import allocate_lock + except ImportError: + from _dummy_thread import allocate_lock + + +##import sys +##l1 = allocate_lock + +##class allocate_lock(object): +## def __init__(self): +## self._real = l1() +## def __enter__(self): +## for i in range(4, 0, -1): +## print sys._getframe(i).f_code +## print +## return self._real.__enter__() +## def __exit__(self, *args): +## return self._real.__exit__(*args) +## def acquire(self, f): +## assert f is False +## return self._real.acquire(f) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/model.py b/backend/mb-env/lib/python3.9/site-packages/cffi/model.py new file mode 100644 index 0000000..ad1c176 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/model.py @@ -0,0 +1,617 @@ +import types +import weakref + +from .lock import allocate_lock +from .error import CDefError, VerificationError, VerificationMissing + +# type qualifiers +Q_CONST = 0x01 +Q_RESTRICT = 0x02 +Q_VOLATILE = 0x04 + +def qualify(quals, replace_with): + if quals & Q_CONST: + replace_with = ' const ' + replace_with.lstrip() + if quals & Q_VOLATILE: + replace_with = ' volatile ' + replace_with.lstrip() + if quals & Q_RESTRICT: + # It seems that __restrict is supported by gcc and msvc. + # If you hit some different compiler, add a #define in + # _cffi_include.h for it (and in its copies, documented there) + replace_with = ' __restrict ' + replace_with.lstrip() + return replace_with + + +class BaseTypeByIdentity(object): + is_array_type = False + is_raw_function = False + + def get_c_name(self, replace_with='', context='a C file', quals=0): + result = self.c_name_with_marker + assert result.count('&') == 1 + # some logic duplication with ffi.getctype()... :-( + replace_with = replace_with.strip() + if replace_with: + if replace_with.startswith('*') and '&[' in result: + replace_with = '(%s)' % replace_with + elif not replace_with[0] in '[(': + replace_with = ' ' + replace_with + replace_with = qualify(quals, replace_with) + result = result.replace('&', replace_with) + if '$' in result: + raise VerificationError( + "cannot generate '%s' in %s: unknown type name" + % (self._get_c_name(), context)) + return result + + def _get_c_name(self): + return self.c_name_with_marker.replace('&', '') + + def has_c_name(self): + return '$' not in self._get_c_name() + + def is_integer_type(self): + return False + + def get_cached_btype(self, ffi, finishlist, can_delay=False): + try: + BType = ffi._cached_btypes[self] + except KeyError: + BType = self.build_backend_type(ffi, finishlist) + BType2 = ffi._cached_btypes.setdefault(self, BType) + assert BType2 is BType + return BType + + def __repr__(self): + return '<%s>' % (self._get_c_name(),) + + def _get_items(self): + return [(name, getattr(self, name)) for name in self._attrs_] + + +class BaseType(BaseTypeByIdentity): + + def __eq__(self, other): + return (self.__class__ == other.__class__ and + self._get_items() == other._get_items()) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.__class__, tuple(self._get_items()))) + + +class VoidType(BaseType): + _attrs_ = () + + def __init__(self): + self.c_name_with_marker = 'void&' + + def build_backend_type(self, ffi, finishlist): + return global_cache(self, ffi, 'new_void_type') + +void_type = VoidType() + + +class BasePrimitiveType(BaseType): + def is_complex_type(self): + return False + + +class PrimitiveType(BasePrimitiveType): + _attrs_ = ('name',) + + ALL_PRIMITIVE_TYPES = { + 'char': 'c', + 'short': 'i', + 'int': 'i', + 'long': 'i', + 'long long': 'i', + 'signed char': 'i', + 'unsigned char': 'i', + 'unsigned short': 'i', + 'unsigned int': 'i', + 'unsigned long': 'i', + 'unsigned long long': 'i', + 'float': 'f', + 'double': 'f', + 'long double': 'f', + 'float _Complex': 'j', + 'double _Complex': 'j', + '_Bool': 'i', + # the following types are not primitive in the C sense + 'wchar_t': 'c', + 'char16_t': 'c', + 'char32_t': 'c', + 'int8_t': 'i', + 'uint8_t': 'i', + 'int16_t': 'i', + 'uint16_t': 'i', + 'int32_t': 'i', + 'uint32_t': 'i', + 'int64_t': 'i', + 'uint64_t': 'i', + 'int_least8_t': 'i', + 'uint_least8_t': 'i', + 'int_least16_t': 'i', + 'uint_least16_t': 'i', + 'int_least32_t': 'i', + 'uint_least32_t': 'i', + 'int_least64_t': 'i', + 'uint_least64_t': 'i', + 'int_fast8_t': 'i', + 'uint_fast8_t': 'i', + 'int_fast16_t': 'i', + 'uint_fast16_t': 'i', + 'int_fast32_t': 'i', + 'uint_fast32_t': 'i', + 'int_fast64_t': 'i', + 'uint_fast64_t': 'i', + 'intptr_t': 'i', + 'uintptr_t': 'i', + 'intmax_t': 'i', + 'uintmax_t': 'i', + 'ptrdiff_t': 'i', + 'size_t': 'i', + 'ssize_t': 'i', + } + + def __init__(self, name): + assert name in self.ALL_PRIMITIVE_TYPES + self.name = name + self.c_name_with_marker = name + '&' + + def is_char_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'c' + def is_integer_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'i' + def is_float_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'f' + def is_complex_type(self): + return self.ALL_PRIMITIVE_TYPES[self.name] == 'j' + + def build_backend_type(self, ffi, finishlist): + return global_cache(self, ffi, 'new_primitive_type', self.name) + + +class UnknownIntegerType(BasePrimitiveType): + _attrs_ = ('name',) + + def __init__(self, name): + self.name = name + self.c_name_with_marker = name + '&' + + def is_integer_type(self): + return True + + def build_backend_type(self, ffi, finishlist): + raise NotImplementedError("integer type '%s' can only be used after " + "compilation" % self.name) + +class UnknownFloatType(BasePrimitiveType): + _attrs_ = ('name', ) + + def __init__(self, name): + self.name = name + self.c_name_with_marker = name + '&' + + def build_backend_type(self, ffi, finishlist): + raise NotImplementedError("float type '%s' can only be used after " + "compilation" % self.name) + + +class BaseFunctionType(BaseType): + _attrs_ = ('args', 'result', 'ellipsis', 'abi') + + def __init__(self, args, result, ellipsis, abi=None): + self.args = args + self.result = result + self.ellipsis = ellipsis + self.abi = abi + # + reprargs = [arg._get_c_name() for arg in self.args] + if self.ellipsis: + reprargs.append('...') + reprargs = reprargs or ['void'] + replace_with = self._base_pattern % (', '.join(reprargs),) + if abi is not None: + replace_with = replace_with[:1] + abi + ' ' + replace_with[1:] + self.c_name_with_marker = ( + self.result.c_name_with_marker.replace('&', replace_with)) + + +class RawFunctionType(BaseFunctionType): + # Corresponds to a C type like 'int(int)', which is the C type of + # a function, but not a pointer-to-function. The backend has no + # notion of such a type; it's used temporarily by parsing. + _base_pattern = '(&)(%s)' + is_raw_function = True + + def build_backend_type(self, ffi, finishlist): + raise CDefError("cannot render the type %r: it is a function " + "type, not a pointer-to-function type" % (self,)) + + def as_function_pointer(self): + return FunctionPtrType(self.args, self.result, self.ellipsis, self.abi) + + +class FunctionPtrType(BaseFunctionType): + _base_pattern = '(*&)(%s)' + + def build_backend_type(self, ffi, finishlist): + result = self.result.get_cached_btype(ffi, finishlist) + args = [] + for tp in self.args: + args.append(tp.get_cached_btype(ffi, finishlist)) + abi_args = () + if self.abi == "__stdcall": + if not self.ellipsis: # __stdcall ignored for variadic funcs + try: + abi_args = (ffi._backend.FFI_STDCALL,) + except AttributeError: + pass + return global_cache(self, ffi, 'new_function_type', + tuple(args), result, self.ellipsis, *abi_args) + + def as_raw_function(self): + return RawFunctionType(self.args, self.result, self.ellipsis, self.abi) + + +class PointerType(BaseType): + _attrs_ = ('totype', 'quals') + + def __init__(self, totype, quals=0): + self.totype = totype + self.quals = quals + extra = qualify(quals, " *&") + if totype.is_array_type: + extra = "(%s)" % (extra.lstrip(),) + self.c_name_with_marker = totype.c_name_with_marker.replace('&', extra) + + def build_backend_type(self, ffi, finishlist): + BItem = self.totype.get_cached_btype(ffi, finishlist, can_delay=True) + return global_cache(self, ffi, 'new_pointer_type', BItem) + +voidp_type = PointerType(void_type) + +def ConstPointerType(totype): + return PointerType(totype, Q_CONST) + +const_voidp_type = ConstPointerType(void_type) + + +class NamedPointerType(PointerType): + _attrs_ = ('totype', 'name') + + def __init__(self, totype, name, quals=0): + PointerType.__init__(self, totype, quals) + self.name = name + self.c_name_with_marker = name + '&' + + +class ArrayType(BaseType): + _attrs_ = ('item', 'length') + is_array_type = True + + def __init__(self, item, length): + self.item = item + self.length = length + # + if length is None: + brackets = '&[]' + elif length == '...': + brackets = '&[/*...*/]' + else: + brackets = '&[%s]' % length + self.c_name_with_marker = ( + self.item.c_name_with_marker.replace('&', brackets)) + + def length_is_unknown(self): + return isinstance(self.length, str) + + def resolve_length(self, newlength): + return ArrayType(self.item, newlength) + + def build_backend_type(self, ffi, finishlist): + if self.length_is_unknown(): + raise CDefError("cannot render the type %r: unknown length" % + (self,)) + self.item.get_cached_btype(ffi, finishlist) # force the item BType + BPtrItem = PointerType(self.item).get_cached_btype(ffi, finishlist) + return global_cache(self, ffi, 'new_array_type', BPtrItem, self.length) + +char_array_type = ArrayType(PrimitiveType('char'), None) + + +class StructOrUnionOrEnum(BaseTypeByIdentity): + _attrs_ = ('name',) + forcename = None + + def build_c_name_with_marker(self): + name = self.forcename or '%s %s' % (self.kind, self.name) + self.c_name_with_marker = name + '&' + + def force_the_name(self, forcename): + self.forcename = forcename + self.build_c_name_with_marker() + + def get_official_name(self): + assert self.c_name_with_marker.endswith('&') + return self.c_name_with_marker[:-1] + + +class StructOrUnion(StructOrUnionOrEnum): + fixedlayout = None + completed = 0 + partial = False + packed = 0 + + def __init__(self, name, fldnames, fldtypes, fldbitsize, fldquals=None): + self.name = name + self.fldnames = fldnames + self.fldtypes = fldtypes + self.fldbitsize = fldbitsize + self.fldquals = fldquals + self.build_c_name_with_marker() + + def anonymous_struct_fields(self): + if self.fldtypes is not None: + for name, type in zip(self.fldnames, self.fldtypes): + if name == '' and isinstance(type, StructOrUnion): + yield type + + def enumfields(self, expand_anonymous_struct_union=True): + fldquals = self.fldquals + if fldquals is None: + fldquals = (0,) * len(self.fldnames) + for name, type, bitsize, quals in zip(self.fldnames, self.fldtypes, + self.fldbitsize, fldquals): + if (name == '' and isinstance(type, StructOrUnion) + and expand_anonymous_struct_union): + # nested anonymous struct/union + for result in type.enumfields(): + yield result + else: + yield (name, type, bitsize, quals) + + def force_flatten(self): + # force the struct or union to have a declaration that lists + # directly all fields returned by enumfields(), flattening + # nested anonymous structs/unions. + names = [] + types = [] + bitsizes = [] + fldquals = [] + for name, type, bitsize, quals in self.enumfields(): + names.append(name) + types.append(type) + bitsizes.append(bitsize) + fldquals.append(quals) + self.fldnames = tuple(names) + self.fldtypes = tuple(types) + self.fldbitsize = tuple(bitsizes) + self.fldquals = tuple(fldquals) + + def get_cached_btype(self, ffi, finishlist, can_delay=False): + BType = StructOrUnionOrEnum.get_cached_btype(self, ffi, finishlist, + can_delay) + if not can_delay: + self.finish_backend_type(ffi, finishlist) + return BType + + def finish_backend_type(self, ffi, finishlist): + if self.completed: + if self.completed != 2: + raise NotImplementedError("recursive structure declaration " + "for '%s'" % (self.name,)) + return + BType = ffi._cached_btypes[self] + # + self.completed = 1 + # + if self.fldtypes is None: + pass # not completing it: it's an opaque struct + # + elif self.fixedlayout is None: + fldtypes = [tp.get_cached_btype(ffi, finishlist) + for tp in self.fldtypes] + lst = list(zip(self.fldnames, fldtypes, self.fldbitsize)) + extra_flags = () + if self.packed: + if self.packed == 1: + extra_flags = (8,) # SF_PACKED + else: + extra_flags = (0, self.packed) + ffi._backend.complete_struct_or_union(BType, lst, self, + -1, -1, *extra_flags) + # + else: + fldtypes = [] + fieldofs, fieldsize, totalsize, totalalignment = self.fixedlayout + for i in range(len(self.fldnames)): + fsize = fieldsize[i] + ftype = self.fldtypes[i] + # + if isinstance(ftype, ArrayType) and ftype.length_is_unknown(): + # fix the length to match the total size + BItemType = ftype.item.get_cached_btype(ffi, finishlist) + nlen, nrest = divmod(fsize, ffi.sizeof(BItemType)) + if nrest != 0: + self._verification_error( + "field '%s.%s' has a bogus size?" % ( + self.name, self.fldnames[i] or '{}')) + ftype = ftype.resolve_length(nlen) + self.fldtypes = (self.fldtypes[:i] + (ftype,) + + self.fldtypes[i+1:]) + # + BFieldType = ftype.get_cached_btype(ffi, finishlist) + if isinstance(ftype, ArrayType) and ftype.length is None: + assert fsize == 0 + else: + bitemsize = ffi.sizeof(BFieldType) + if bitemsize != fsize: + self._verification_error( + "field '%s.%s' is declared as %d bytes, but is " + "really %d bytes" % (self.name, + self.fldnames[i] or '{}', + bitemsize, fsize)) + fldtypes.append(BFieldType) + # + lst = list(zip(self.fldnames, fldtypes, self.fldbitsize, fieldofs)) + ffi._backend.complete_struct_or_union(BType, lst, self, + totalsize, totalalignment) + self.completed = 2 + + def _verification_error(self, msg): + raise VerificationError(msg) + + def check_not_partial(self): + if self.partial and self.fixedlayout is None: + raise VerificationMissing(self._get_c_name()) + + def build_backend_type(self, ffi, finishlist): + self.check_not_partial() + finishlist.append(self) + # + return global_cache(self, ffi, 'new_%s_type' % self.kind, + self.get_official_name(), key=self) + + +class StructType(StructOrUnion): + kind = 'struct' + + +class UnionType(StructOrUnion): + kind = 'union' + + +class EnumType(StructOrUnionOrEnum): + kind = 'enum' + partial = False + partial_resolved = False + + def __init__(self, name, enumerators, enumvalues, baseinttype=None): + self.name = name + self.enumerators = enumerators + self.enumvalues = enumvalues + self.baseinttype = baseinttype + self.build_c_name_with_marker() + + def force_the_name(self, forcename): + StructOrUnionOrEnum.force_the_name(self, forcename) + if self.forcename is None: + name = self.get_official_name() + self.forcename = '$' + name.replace(' ', '_') + + def check_not_partial(self): + if self.partial and not self.partial_resolved: + raise VerificationMissing(self._get_c_name()) + + def build_backend_type(self, ffi, finishlist): + self.check_not_partial() + base_btype = self.build_baseinttype(ffi, finishlist) + return global_cache(self, ffi, 'new_enum_type', + self.get_official_name(), + self.enumerators, self.enumvalues, + base_btype, key=self) + + def build_baseinttype(self, ffi, finishlist): + if self.baseinttype is not None: + return self.baseinttype.get_cached_btype(ffi, finishlist) + # + if self.enumvalues: + smallest_value = min(self.enumvalues) + largest_value = max(self.enumvalues) + else: + import warnings + try: + # XXX! The goal is to ensure that the warnings.warn() + # will not suppress the warning. We want to get it + # several times if we reach this point several times. + __warningregistry__.clear() + except NameError: + pass + warnings.warn("%r has no values explicitly defined; " + "guessing that it is equivalent to 'unsigned int'" + % self._get_c_name()) + smallest_value = largest_value = 0 + if smallest_value < 0: # needs a signed type + sign = 1 + candidate1 = PrimitiveType("int") + candidate2 = PrimitiveType("long") + else: + sign = 0 + candidate1 = PrimitiveType("unsigned int") + candidate2 = PrimitiveType("unsigned long") + btype1 = candidate1.get_cached_btype(ffi, finishlist) + btype2 = candidate2.get_cached_btype(ffi, finishlist) + size1 = ffi.sizeof(btype1) + size2 = ffi.sizeof(btype2) + if (smallest_value >= ((-1) << (8*size1-1)) and + largest_value < (1 << (8*size1-sign))): + return btype1 + if (smallest_value >= ((-1) << (8*size2-1)) and + largest_value < (1 << (8*size2-sign))): + return btype2 + raise CDefError("%s values don't all fit into either 'long' " + "or 'unsigned long'" % self._get_c_name()) + +def unknown_type(name, structname=None): + if structname is None: + structname = '$%s' % name + tp = StructType(structname, None, None, None) + tp.force_the_name(name) + tp.origin = "unknown_type" + return tp + +def unknown_ptr_type(name, structname=None): + if structname is None: + structname = '$$%s' % name + tp = StructType(structname, None, None, None) + return NamedPointerType(tp, name) + + +global_lock = allocate_lock() +_typecache_cffi_backend = weakref.WeakValueDictionary() + +def get_typecache(backend): + # returns _typecache_cffi_backend if backend is the _cffi_backend + # module, or type(backend).__typecache if backend is an instance of + # CTypesBackend (or some FakeBackend class during tests) + if isinstance(backend, types.ModuleType): + return _typecache_cffi_backend + with global_lock: + if not hasattr(type(backend), '__typecache'): + type(backend).__typecache = weakref.WeakValueDictionary() + return type(backend).__typecache + +def global_cache(srctype, ffi, funcname, *args, **kwds): + key = kwds.pop('key', (funcname, args)) + assert not kwds + try: + return ffi._typecache[key] + except KeyError: + pass + try: + res = getattr(ffi._backend, funcname)(*args) + except NotImplementedError as e: + raise NotImplementedError("%s: %r: %s" % (funcname, srctype, e)) + # note that setdefault() on WeakValueDictionary is not atomic + # and contains a rare bug (http://bugs.python.org/issue19542); + # we have to use a lock and do it ourselves + cache = ffi._typecache + with global_lock: + res1 = cache.get(key) + if res1 is None: + cache[key] = res + return res + else: + return res1 + +def pointer_cache(ffi, BType): + return global_cache('?', ffi, 'new_pointer_type', BType) + +def attach_exception_info(e, name): + if e.args and type(e.args[0]) is str: + e.args = ('%s: %s' % (name, e.args[0]),) + e.args[1:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/parse_c_type.h b/backend/mb-env/lib/python3.9/site-packages/cffi/parse_c_type.h new file mode 100644 index 0000000..84e4ef8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/parse_c_type.h @@ -0,0 +1,181 @@ + +/* This part is from file 'cffi/parse_c_type.h'. It is copied at the + beginning of C sources generated by CFFI's ffi.set_source(). */ + +typedef void *_cffi_opcode_t; + +#define _CFFI_OP(opcode, arg) (_cffi_opcode_t)(opcode | (((uintptr_t)(arg)) << 8)) +#define _CFFI_GETOP(cffi_opcode) ((unsigned char)(uintptr_t)cffi_opcode) +#define _CFFI_GETARG(cffi_opcode) (((intptr_t)cffi_opcode) >> 8) + +#define _CFFI_OP_PRIMITIVE 1 +#define _CFFI_OP_POINTER 3 +#define _CFFI_OP_ARRAY 5 +#define _CFFI_OP_OPEN_ARRAY 7 +#define _CFFI_OP_STRUCT_UNION 9 +#define _CFFI_OP_ENUM 11 +#define _CFFI_OP_FUNCTION 13 +#define _CFFI_OP_FUNCTION_END 15 +#define _CFFI_OP_NOOP 17 +#define _CFFI_OP_BITFIELD 19 +#define _CFFI_OP_TYPENAME 21 +#define _CFFI_OP_CPYTHON_BLTN_V 23 // varargs +#define _CFFI_OP_CPYTHON_BLTN_N 25 // noargs +#define _CFFI_OP_CPYTHON_BLTN_O 27 // O (i.e. a single arg) +#define _CFFI_OP_CONSTANT 29 +#define _CFFI_OP_CONSTANT_INT 31 +#define _CFFI_OP_GLOBAL_VAR 33 +#define _CFFI_OP_DLOPEN_FUNC 35 +#define _CFFI_OP_DLOPEN_CONST 37 +#define _CFFI_OP_GLOBAL_VAR_F 39 +#define _CFFI_OP_EXTERN_PYTHON 41 + +#define _CFFI_PRIM_VOID 0 +#define _CFFI_PRIM_BOOL 1 +#define _CFFI_PRIM_CHAR 2 +#define _CFFI_PRIM_SCHAR 3 +#define _CFFI_PRIM_UCHAR 4 +#define _CFFI_PRIM_SHORT 5 +#define _CFFI_PRIM_USHORT 6 +#define _CFFI_PRIM_INT 7 +#define _CFFI_PRIM_UINT 8 +#define _CFFI_PRIM_LONG 9 +#define _CFFI_PRIM_ULONG 10 +#define _CFFI_PRIM_LONGLONG 11 +#define _CFFI_PRIM_ULONGLONG 12 +#define _CFFI_PRIM_FLOAT 13 +#define _CFFI_PRIM_DOUBLE 14 +#define _CFFI_PRIM_LONGDOUBLE 15 + +#define _CFFI_PRIM_WCHAR 16 +#define _CFFI_PRIM_INT8 17 +#define _CFFI_PRIM_UINT8 18 +#define _CFFI_PRIM_INT16 19 +#define _CFFI_PRIM_UINT16 20 +#define _CFFI_PRIM_INT32 21 +#define _CFFI_PRIM_UINT32 22 +#define _CFFI_PRIM_INT64 23 +#define _CFFI_PRIM_UINT64 24 +#define _CFFI_PRIM_INTPTR 25 +#define _CFFI_PRIM_UINTPTR 26 +#define _CFFI_PRIM_PTRDIFF 27 +#define _CFFI_PRIM_SIZE 28 +#define _CFFI_PRIM_SSIZE 29 +#define _CFFI_PRIM_INT_LEAST8 30 +#define _CFFI_PRIM_UINT_LEAST8 31 +#define _CFFI_PRIM_INT_LEAST16 32 +#define _CFFI_PRIM_UINT_LEAST16 33 +#define _CFFI_PRIM_INT_LEAST32 34 +#define _CFFI_PRIM_UINT_LEAST32 35 +#define _CFFI_PRIM_INT_LEAST64 36 +#define _CFFI_PRIM_UINT_LEAST64 37 +#define _CFFI_PRIM_INT_FAST8 38 +#define _CFFI_PRIM_UINT_FAST8 39 +#define _CFFI_PRIM_INT_FAST16 40 +#define _CFFI_PRIM_UINT_FAST16 41 +#define _CFFI_PRIM_INT_FAST32 42 +#define _CFFI_PRIM_UINT_FAST32 43 +#define _CFFI_PRIM_INT_FAST64 44 +#define _CFFI_PRIM_UINT_FAST64 45 +#define _CFFI_PRIM_INTMAX 46 +#define _CFFI_PRIM_UINTMAX 47 +#define _CFFI_PRIM_FLOATCOMPLEX 48 +#define _CFFI_PRIM_DOUBLECOMPLEX 49 +#define _CFFI_PRIM_CHAR16 50 +#define _CFFI_PRIM_CHAR32 51 + +#define _CFFI__NUM_PRIM 52 +#define _CFFI__UNKNOWN_PRIM (-1) +#define _CFFI__UNKNOWN_FLOAT_PRIM (-2) +#define _CFFI__UNKNOWN_LONG_DOUBLE (-3) + +#define _CFFI__IO_FILE_STRUCT (-1) + + +struct _cffi_global_s { + const char *name; + void *address; + _cffi_opcode_t type_op; + void *size_or_direct_fn; // OP_GLOBAL_VAR: size, or 0 if unknown + // OP_CPYTHON_BLTN_*: addr of direct function +}; + +struct _cffi_getconst_s { + unsigned long long value; + const struct _cffi_type_context_s *ctx; + int gindex; +}; + +struct _cffi_struct_union_s { + const char *name; + int type_index; // -> _cffi_types, on a OP_STRUCT_UNION + int flags; // _CFFI_F_* flags below + size_t size; + int alignment; + int first_field_index; // -> _cffi_fields array + int num_fields; +}; +#define _CFFI_F_UNION 0x01 // is a union, not a struct +#define _CFFI_F_CHECK_FIELDS 0x02 // complain if fields are not in the + // "standard layout" or if some are missing +#define _CFFI_F_PACKED 0x04 // for CHECK_FIELDS, assume a packed struct +#define _CFFI_F_EXTERNAL 0x08 // in some other ffi.include() +#define _CFFI_F_OPAQUE 0x10 // opaque + +struct _cffi_field_s { + const char *name; + size_t field_offset; + size_t field_size; + _cffi_opcode_t field_type_op; +}; + +struct _cffi_enum_s { + const char *name; + int type_index; // -> _cffi_types, on a OP_ENUM + int type_prim; // _CFFI_PRIM_xxx + const char *enumerators; // comma-delimited string +}; + +struct _cffi_typename_s { + const char *name; + int type_index; /* if opaque, points to a possibly artificial + OP_STRUCT which is itself opaque */ +}; + +struct _cffi_type_context_s { + _cffi_opcode_t *types; + const struct _cffi_global_s *globals; + const struct _cffi_field_s *fields; + const struct _cffi_struct_union_s *struct_unions; + const struct _cffi_enum_s *enums; + const struct _cffi_typename_s *typenames; + int num_globals; + int num_struct_unions; + int num_enums; + int num_typenames; + const char *const *includes; + int num_types; + int flags; /* future extension */ +}; + +struct _cffi_parse_info_s { + const struct _cffi_type_context_s *ctx; + _cffi_opcode_t *output; + unsigned int output_size; + size_t error_location; + const char *error_message; +}; + +struct _cffi_externpy_s { + const char *name; + size_t size_of_result; + void *reserved1, *reserved2; +}; + +#ifdef _CFFI_INTERNAL +static int parse_c_type(struct _cffi_parse_info_s *info, const char *input); +static int search_in_globals(const struct _cffi_type_context_s *ctx, + const char *search, size_t search_len); +static int search_in_struct_unions(const struct _cffi_type_context_s *ctx, + const char *search, size_t search_len); +#endif diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/pkgconfig.py b/backend/mb-env/lib/python3.9/site-packages/cffi/pkgconfig.py new file mode 100644 index 0000000..5c93f15 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/pkgconfig.py @@ -0,0 +1,121 @@ +# pkg-config, https://www.freedesktop.org/wiki/Software/pkg-config/ integration for cffi +import sys, os, subprocess + +from .error import PkgConfigError + + +def merge_flags(cfg1, cfg2): + """Merge values from cffi config flags cfg2 to cf1 + + Example: + merge_flags({"libraries": ["one"]}, {"libraries": ["two"]}) + {"libraries": ["one", "two"]} + """ + for key, value in cfg2.items(): + if key not in cfg1: + cfg1[key] = value + else: + if not isinstance(cfg1[key], list): + raise TypeError("cfg1[%r] should be a list of strings" % (key,)) + if not isinstance(value, list): + raise TypeError("cfg2[%r] should be a list of strings" % (key,)) + cfg1[key].extend(value) + return cfg1 + + +def call(libname, flag, encoding=sys.getfilesystemencoding()): + """Calls pkg-config and returns the output if found + """ + a = ["pkg-config", "--print-errors"] + a.append(flag) + a.append(libname) + try: + pc = subprocess.Popen(a, stdout=subprocess.PIPE, stderr=subprocess.PIPE) + except EnvironmentError as e: + raise PkgConfigError("cannot run pkg-config: %s" % (str(e).strip(),)) + + bout, berr = pc.communicate() + if pc.returncode != 0: + try: + berr = berr.decode(encoding) + except Exception: + pass + raise PkgConfigError(berr.strip()) + + if sys.version_info >= (3,) and not isinstance(bout, str): # Python 3.x + try: + bout = bout.decode(encoding) + except UnicodeDecodeError: + raise PkgConfigError("pkg-config %s %s returned bytes that cannot " + "be decoded with encoding %r:\n%r" % + (flag, libname, encoding, bout)) + + if os.altsep != '\\' and '\\' in bout: + raise PkgConfigError("pkg-config %s %s returned an unsupported " + "backslash-escaped output:\n%r" % + (flag, libname, bout)) + return bout + + +def flags_from_pkgconfig(libs): + r"""Return compiler line flags for FFI.set_source based on pkg-config output + + Usage + ... + ffibuilder.set_source("_foo", pkgconfig = ["libfoo", "libbar >= 1.8.3"]) + + If pkg-config is installed on build machine, then arguments include_dirs, + library_dirs, libraries, define_macros, extra_compile_args and + extra_link_args are extended with an output of pkg-config for libfoo and + libbar. + + Raises PkgConfigError in case the pkg-config call fails. + """ + + def get_include_dirs(string): + return [x[2:] for x in string.split() if x.startswith("-I")] + + def get_library_dirs(string): + return [x[2:] for x in string.split() if x.startswith("-L")] + + def get_libraries(string): + return [x[2:] for x in string.split() if x.startswith("-l")] + + # convert -Dfoo=bar to list of tuples [("foo", "bar")] expected by distutils + def get_macros(string): + def _macro(x): + x = x[2:] # drop "-D" + if '=' in x: + return tuple(x.split("=", 1)) # "-Dfoo=bar" => ("foo", "bar") + else: + return (x, None) # "-Dfoo" => ("foo", None) + return [_macro(x) for x in string.split() if x.startswith("-D")] + + def get_other_cflags(string): + return [x for x in string.split() if not x.startswith("-I") and + not x.startswith("-D")] + + def get_other_libs(string): + return [x for x in string.split() if not x.startswith("-L") and + not x.startswith("-l")] + + # return kwargs for given libname + def kwargs(libname): + fse = sys.getfilesystemencoding() + all_cflags = call(libname, "--cflags") + all_libs = call(libname, "--libs") + return { + "include_dirs": get_include_dirs(all_cflags), + "library_dirs": get_library_dirs(all_libs), + "libraries": get_libraries(all_libs), + "define_macros": get_macros(all_cflags), + "extra_compile_args": get_other_cflags(all_cflags), + "extra_link_args": get_other_libs(all_libs), + } + + # merge all arguments together + ret = {} + for libname in libs: + lib_flags = kwargs(libname) + merge_flags(ret, lib_flags) + return ret diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/recompiler.py b/backend/mb-env/lib/python3.9/site-packages/cffi/recompiler.py new file mode 100644 index 0000000..86b37d7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/recompiler.py @@ -0,0 +1,1581 @@ +import os, sys, io +from . import ffiplatform, model +from .error import VerificationError +from .cffi_opcode import * + +VERSION_BASE = 0x2601 +VERSION_EMBEDDED = 0x2701 +VERSION_CHAR16CHAR32 = 0x2801 + +USE_LIMITED_API = (sys.platform != 'win32' or sys.version_info < (3, 0) or + sys.version_info >= (3, 5)) + + +class GlobalExpr: + def __init__(self, name, address, type_op, size=0, check_value=0): + self.name = name + self.address = address + self.type_op = type_op + self.size = size + self.check_value = check_value + + def as_c_expr(self): + return ' { "%s", (void *)%s, %s, (void *)%s },' % ( + self.name, self.address, self.type_op.as_c_expr(), self.size) + + def as_python_expr(self): + return "b'%s%s',%d" % (self.type_op.as_python_bytes(), self.name, + self.check_value) + +class FieldExpr: + def __init__(self, name, field_offset, field_size, fbitsize, field_type_op): + self.name = name + self.field_offset = field_offset + self.field_size = field_size + self.fbitsize = fbitsize + self.field_type_op = field_type_op + + def as_c_expr(self): + spaces = " " * len(self.name) + return (' { "%s", %s,\n' % (self.name, self.field_offset) + + ' %s %s,\n' % (spaces, self.field_size) + + ' %s %s },' % (spaces, self.field_type_op.as_c_expr())) + + def as_python_expr(self): + raise NotImplementedError + + def as_field_python_expr(self): + if self.field_type_op.op == OP_NOOP: + size_expr = '' + elif self.field_type_op.op == OP_BITFIELD: + size_expr = format_four_bytes(self.fbitsize) + else: + raise NotImplementedError + return "b'%s%s%s'" % (self.field_type_op.as_python_bytes(), + size_expr, + self.name) + +class StructUnionExpr: + def __init__(self, name, type_index, flags, size, alignment, comment, + first_field_index, c_fields): + self.name = name + self.type_index = type_index + self.flags = flags + self.size = size + self.alignment = alignment + self.comment = comment + self.first_field_index = first_field_index + self.c_fields = c_fields + + def as_c_expr(self): + return (' { "%s", %d, %s,' % (self.name, self.type_index, self.flags) + + '\n %s, %s, ' % (self.size, self.alignment) + + '%d, %d ' % (self.first_field_index, len(self.c_fields)) + + ('/* %s */ ' % self.comment if self.comment else '') + + '},') + + def as_python_expr(self): + flags = eval(self.flags, G_FLAGS) + fields_expr = [c_field.as_field_python_expr() + for c_field in self.c_fields] + return "(b'%s%s%s',%s)" % ( + format_four_bytes(self.type_index), + format_four_bytes(flags), + self.name, + ','.join(fields_expr)) + +class EnumExpr: + def __init__(self, name, type_index, size, signed, allenums): + self.name = name + self.type_index = type_index + self.size = size + self.signed = signed + self.allenums = allenums + + def as_c_expr(self): + return (' { "%s", %d, _cffi_prim_int(%s, %s),\n' + ' "%s" },' % (self.name, self.type_index, + self.size, self.signed, self.allenums)) + + def as_python_expr(self): + prim_index = { + (1, 0): PRIM_UINT8, (1, 1): PRIM_INT8, + (2, 0): PRIM_UINT16, (2, 1): PRIM_INT16, + (4, 0): PRIM_UINT32, (4, 1): PRIM_INT32, + (8, 0): PRIM_UINT64, (8, 1): PRIM_INT64, + }[self.size, self.signed] + return "b'%s%s%s\\x00%s'" % (format_four_bytes(self.type_index), + format_four_bytes(prim_index), + self.name, self.allenums) + +class TypenameExpr: + def __init__(self, name, type_index): + self.name = name + self.type_index = type_index + + def as_c_expr(self): + return ' { "%s", %d },' % (self.name, self.type_index) + + def as_python_expr(self): + return "b'%s%s'" % (format_four_bytes(self.type_index), self.name) + + +# ____________________________________________________________ + + +class Recompiler: + _num_externpy = 0 + + def __init__(self, ffi, module_name, target_is_python=False): + self.ffi = ffi + self.module_name = module_name + self.target_is_python = target_is_python + self._version = VERSION_BASE + + def needs_version(self, ver): + self._version = max(self._version, ver) + + def collect_type_table(self): + self._typesdict = {} + self._generate("collecttype") + # + all_decls = sorted(self._typesdict, key=str) + # + # prepare all FUNCTION bytecode sequences first + self.cffi_types = [] + for tp in all_decls: + if tp.is_raw_function: + assert self._typesdict[tp] is None + self._typesdict[tp] = len(self.cffi_types) + self.cffi_types.append(tp) # placeholder + for tp1 in tp.args: + assert isinstance(tp1, (model.VoidType, + model.BasePrimitiveType, + model.PointerType, + model.StructOrUnionOrEnum, + model.FunctionPtrType)) + if self._typesdict[tp1] is None: + self._typesdict[tp1] = len(self.cffi_types) + self.cffi_types.append(tp1) # placeholder + self.cffi_types.append('END') # placeholder + # + # prepare all OTHER bytecode sequences + for tp in all_decls: + if not tp.is_raw_function and self._typesdict[tp] is None: + self._typesdict[tp] = len(self.cffi_types) + self.cffi_types.append(tp) # placeholder + if tp.is_array_type and tp.length is not None: + self.cffi_types.append('LEN') # placeholder + assert None not in self._typesdict.values() + # + # collect all structs and unions and enums + self._struct_unions = {} + self._enums = {} + for tp in all_decls: + if isinstance(tp, model.StructOrUnion): + self._struct_unions[tp] = None + elif isinstance(tp, model.EnumType): + self._enums[tp] = None + for i, tp in enumerate(sorted(self._struct_unions, + key=lambda tp: tp.name)): + self._struct_unions[tp] = i + for i, tp in enumerate(sorted(self._enums, + key=lambda tp: tp.name)): + self._enums[tp] = i + # + # emit all bytecode sequences now + for tp in all_decls: + method = getattr(self, '_emit_bytecode_' + tp.__class__.__name__) + method(tp, self._typesdict[tp]) + # + # consistency check + for op in self.cffi_types: + assert isinstance(op, CffiOp) + self.cffi_types = tuple(self.cffi_types) # don't change any more + + def _enum_fields(self, tp): + # When producing C, expand all anonymous struct/union fields. + # That's necessary to have C code checking the offsets of the + # individual fields contained in them. When producing Python, + # don't do it and instead write it like it is, with the + # corresponding fields having an empty name. Empty names are + # recognized at runtime when we import the generated Python + # file. + expand_anonymous_struct_union = not self.target_is_python + return tp.enumfields(expand_anonymous_struct_union) + + def _do_collect_type(self, tp): + if not isinstance(tp, model.BaseTypeByIdentity): + if isinstance(tp, tuple): + for x in tp: + self._do_collect_type(x) + return + if tp not in self._typesdict: + self._typesdict[tp] = None + if isinstance(tp, model.FunctionPtrType): + self._do_collect_type(tp.as_raw_function()) + elif isinstance(tp, model.StructOrUnion): + if tp.fldtypes is not None and ( + tp not in self.ffi._parser._included_declarations): + for name1, tp1, _, _ in self._enum_fields(tp): + self._do_collect_type(self._field_type(tp, name1, tp1)) + else: + for _, x in tp._get_items(): + self._do_collect_type(x) + + def _generate(self, step_name): + lst = self.ffi._parser._declarations.items() + for name, (tp, quals) in sorted(lst): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_cpy_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in recompile(): %r" % name) + try: + self._current_quals = quals + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + # ---------- + + ALL_STEPS = ["global", "field", "struct_union", "enum", "typename"] + + def collect_step_tables(self): + # collect the declarations for '_cffi_globals', '_cffi_typenames', etc. + self._lsts = {} + for step_name in self.ALL_STEPS: + self._lsts[step_name] = [] + self._seen_struct_unions = set() + self._generate("ctx") + self._add_missing_struct_unions() + # + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + if step_name != "field": + lst.sort(key=lambda entry: entry.name) + self._lsts[step_name] = tuple(lst) # don't change any more + # + # check for a possible internal inconsistency: _cffi_struct_unions + # should have been generated with exactly self._struct_unions + lst = self._lsts["struct_union"] + for tp, i in self._struct_unions.items(): + assert i < len(lst) + assert lst[i].name == tp.name + assert len(lst) == len(self._struct_unions) + # same with enums + lst = self._lsts["enum"] + for tp, i in self._enums.items(): + assert i < len(lst) + assert lst[i].name == tp.name + assert len(lst) == len(self._enums) + + # ---------- + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def write_source_to_f(self, f, preamble): + if self.target_is_python: + assert preamble is None + self.write_py_source_to_f(f) + else: + assert preamble is not None + self.write_c_source_to_f(f, preamble) + + def _rel_readlines(self, filename): + g = open(os.path.join(os.path.dirname(__file__), filename), 'r') + lines = g.readlines() + g.close() + return lines + + def write_c_source_to_f(self, f, preamble): + self._f = f + prnt = self._prnt + if self.ffi._embedding is not None: + prnt('#define _CFFI_USE_EMBEDDING') + if not USE_LIMITED_API: + prnt('#define _CFFI_NO_LIMITED_API') + # + # first the '#include' (actually done by inlining the file's content) + lines = self._rel_readlines('_cffi_include.h') + i = lines.index('#include "parse_c_type.h"\n') + lines[i:i+1] = self._rel_readlines('parse_c_type.h') + prnt(''.join(lines)) + # + # if we have ffi._embedding != None, we give it here as a macro + # and include an extra file + base_module_name = self.module_name.split('.')[-1] + if self.ffi._embedding is not None: + prnt('#define _CFFI_MODULE_NAME "%s"' % (self.module_name,)) + prnt('static const char _CFFI_PYTHON_STARTUP_CODE[] = {') + self._print_string_literal_in_array(self.ffi._embedding) + prnt('0 };') + prnt('#ifdef PYPY_VERSION') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC _cffi_pypyinit_%s' % ( + base_module_name,)) + prnt('#elif PY_MAJOR_VERSION >= 3') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC PyInit_%s' % ( + base_module_name,)) + prnt('#else') + prnt('# define _CFFI_PYTHON_STARTUP_FUNC init%s' % ( + base_module_name,)) + prnt('#endif') + lines = self._rel_readlines('_embedding.h') + i = lines.index('#include "_cffi_errors.h"\n') + lines[i:i+1] = self._rel_readlines('_cffi_errors.h') + prnt(''.join(lines)) + self.needs_version(VERSION_EMBEDDED) + # + # then paste the C source given by the user, verbatim. + prnt('/************************************************************/') + prnt() + prnt(preamble) + prnt() + prnt('/************************************************************/') + prnt() + # + # the declaration of '_cffi_types' + prnt('static void *_cffi_types[] = {') + typeindex2type = dict([(i, tp) for (tp, i) in self._typesdict.items()]) + for i, op in enumerate(self.cffi_types): + comment = '' + if i in typeindex2type: + comment = ' // ' + typeindex2type[i]._get_c_name() + prnt('/* %2d */ %s,%s' % (i, op.as_c_expr(), comment)) + if not self.cffi_types: + prnt(' 0') + prnt('};') + prnt() + # + # call generate_cpy_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._seen_constants = set() + self._generate("decl") + # + # the declaration of '_cffi_globals' and '_cffi_typenames' + nums = {} + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + nums[step_name] = len(lst) + if nums[step_name] > 0: + prnt('static const struct _cffi_%s_s _cffi_%ss[] = {' % ( + step_name, step_name)) + for entry in lst: + prnt(entry.as_c_expr()) + prnt('};') + prnt() + # + # the declaration of '_cffi_includes' + if self.ffi._included_ffis: + prnt('static const char * const _cffi_includes[] = {') + for ffi_to_include in self.ffi._included_ffis: + try: + included_module_name, included_source = ( + ffi_to_include._assigned_source[:2]) + except AttributeError: + raise VerificationError( + "ffi object %r includes %r, but the latter has not " + "been prepared with set_source()" % ( + self.ffi, ffi_to_include,)) + if included_source is None: + raise VerificationError( + "not implemented yet: ffi.include() of a Python-based " + "ffi inside a C-based ffi") + prnt(' "%s",' % (included_module_name,)) + prnt(' NULL') + prnt('};') + prnt() + # + # the declaration of '_cffi_type_context' + prnt('static const struct _cffi_type_context_s _cffi_type_context = {') + prnt(' _cffi_types,') + for step_name in self.ALL_STEPS: + if nums[step_name] > 0: + prnt(' _cffi_%ss,' % step_name) + else: + prnt(' NULL, /* no %ss */' % step_name) + for step_name in self.ALL_STEPS: + if step_name != "field": + prnt(' %d, /* num_%ss */' % (nums[step_name], step_name)) + if self.ffi._included_ffis: + prnt(' _cffi_includes,') + else: + prnt(' NULL, /* no includes */') + prnt(' %d, /* num_types */' % (len(self.cffi_types),)) + flags = 0 + if self._num_externpy: + flags |= 1 # set to mean that we use extern "Python" + prnt(' %d, /* flags */' % flags) + prnt('};') + prnt() + # + # the init function + prnt('#ifdef __GNUC__') + prnt('# pragma GCC visibility push(default) /* for -fvisibility= */') + prnt('#endif') + prnt() + prnt('#ifdef PYPY_VERSION') + prnt('PyMODINIT_FUNC') + prnt('_cffi_pypyinit_%s(const void *p[])' % (base_module_name,)) + prnt('{') + if self._num_externpy: + prnt(' if (((intptr_t)p[0]) >= 0x0A03) {') + prnt(' _cffi_call_python_org = ' + '(void(*)(struct _cffi_externpy_s *, char *))p[1];') + prnt(' }') + prnt(' p[0] = (const void *)0x%x;' % self._version) + prnt(' p[1] = &_cffi_type_context;') + prnt('#if PY_MAJOR_VERSION >= 3') + prnt(' return NULL;') + prnt('#endif') + prnt('}') + # on Windows, distutils insists on putting init_cffi_xyz in + # 'export_symbols', so instead of fighting it, just give up and + # give it one + prnt('# ifdef _MSC_VER') + prnt(' PyMODINIT_FUNC') + prnt('# if PY_MAJOR_VERSION >= 3') + prnt(' PyInit_%s(void) { return NULL; }' % (base_module_name,)) + prnt('# else') + prnt(' init%s(void) { }' % (base_module_name,)) + prnt('# endif') + prnt('# endif') + prnt('#elif PY_MAJOR_VERSION >= 3') + prnt('PyMODINIT_FUNC') + prnt('PyInit_%s(void)' % (base_module_name,)) + prnt('{') + prnt(' return _cffi_init("%s", 0x%x, &_cffi_type_context);' % ( + self.module_name, self._version)) + prnt('}') + prnt('#else') + prnt('PyMODINIT_FUNC') + prnt('init%s(void)' % (base_module_name,)) + prnt('{') + prnt(' _cffi_init("%s", 0x%x, &_cffi_type_context);' % ( + self.module_name, self._version)) + prnt('}') + prnt('#endif') + prnt() + prnt('#ifdef __GNUC__') + prnt('# pragma GCC visibility pop') + prnt('#endif') + self._version = None + + def _to_py(self, x): + if isinstance(x, str): + return "b'%s'" % (x,) + if isinstance(x, (list, tuple)): + rep = [self._to_py(item) for item in x] + if len(rep) == 1: + rep.append('') + return "(%s)" % (','.join(rep),) + return x.as_python_expr() # Py2: unicode unexpected; Py3: bytes unexp. + + def write_py_source_to_f(self, f): + self._f = f + prnt = self._prnt + # + # header + prnt("# auto-generated file") + prnt("import _cffi_backend") + # + # the 'import' of the included ffis + num_includes = len(self.ffi._included_ffis or ()) + for i in range(num_includes): + ffi_to_include = self.ffi._included_ffis[i] + try: + included_module_name, included_source = ( + ffi_to_include._assigned_source[:2]) + except AttributeError: + raise VerificationError( + "ffi object %r includes %r, but the latter has not " + "been prepared with set_source()" % ( + self.ffi, ffi_to_include,)) + if included_source is not None: + raise VerificationError( + "not implemented yet: ffi.include() of a C-based " + "ffi inside a Python-based ffi") + prnt('from %s import ffi as _ffi%d' % (included_module_name, i)) + prnt() + prnt("ffi = _cffi_backend.FFI('%s'," % (self.module_name,)) + prnt(" _version = 0x%x," % (self._version,)) + self._version = None + # + # the '_types' keyword argument + self.cffi_types = tuple(self.cffi_types) # don't change any more + types_lst = [op.as_python_bytes() for op in self.cffi_types] + prnt(' _types = %s,' % (self._to_py(''.join(types_lst)),)) + typeindex2type = dict([(i, tp) for (tp, i) in self._typesdict.items()]) + # + # the keyword arguments from ALL_STEPS + for step_name in self.ALL_STEPS: + lst = self._lsts[step_name] + if len(lst) > 0 and step_name != "field": + prnt(' _%ss = %s,' % (step_name, self._to_py(lst))) + # + # the '_includes' keyword argument + if num_includes > 0: + prnt(' _includes = (%s,),' % ( + ', '.join(['_ffi%d' % i for i in range(num_includes)]),)) + # + # the footer + prnt(')') + + # ---------- + + def _gettypenum(self, type): + # a KeyError here is a bug. please report it! :-) + return self._typesdict[type] + + def _convert_funcarg_to_c(self, tp, fromvar, tovar, errcode): + extraarg = '' + if isinstance(tp, model.BasePrimitiveType) and not tp.is_complex_type(): + if tp.is_integer_type() and tp.name != '_Bool': + converter = '_cffi_to_c_int' + extraarg = ', %s' % tp.name + elif isinstance(tp, model.UnknownFloatType): + # don't check with is_float_type(): it may be a 'long + # double' here, and _cffi_to_c_double would loose precision + converter = '(%s)_cffi_to_c_double' % (tp.get_c_name(''),) + else: + cname = tp.get_c_name('') + converter = '(%s)_cffi_to_c_%s' % (cname, + tp.name.replace(' ', '_')) + if cname in ('char16_t', 'char32_t'): + self.needs_version(VERSION_CHAR16CHAR32) + errvalue = '-1' + # + elif isinstance(tp, model.PointerType): + self._convert_funcarg_to_c_ptr_or_array(tp, fromvar, + tovar, errcode) + return + # + elif (isinstance(tp, model.StructOrUnionOrEnum) or + isinstance(tp, model.BasePrimitiveType)): + # a struct (not a struct pointer) as a function argument; + # or, a complex (the same code works) + self._prnt(' if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)' + % (tovar, self._gettypenum(tp), fromvar)) + self._prnt(' %s;' % errcode) + return + # + elif isinstance(tp, model.FunctionPtrType): + converter = '(%s)_cffi_to_c_pointer' % tp.get_c_name('') + extraarg = ', _cffi_type(%d)' % self._gettypenum(tp) + errvalue = 'NULL' + # + else: + raise NotImplementedError(tp) + # + self._prnt(' %s = %s(%s%s);' % (tovar, converter, fromvar, extraarg)) + self._prnt(' if (%s == (%s)%s && PyErr_Occurred())' % ( + tovar, tp.get_c_name(''), errvalue)) + self._prnt(' %s;' % errcode) + + def _extra_local_variables(self, tp, localvars, freelines): + if isinstance(tp, model.PointerType): + localvars.add('Py_ssize_t datasize') + localvars.add('struct _cffi_freeme_s *large_args_free = NULL') + freelines.add('if (large_args_free != NULL)' + ' _cffi_free_array_arguments(large_args_free);') + + def _convert_funcarg_to_c_ptr_or_array(self, tp, fromvar, tovar, errcode): + self._prnt(' datasize = _cffi_prepare_pointer_call_argument(') + self._prnt(' _cffi_type(%d), %s, (char **)&%s);' % ( + self._gettypenum(tp), fromvar, tovar)) + self._prnt(' if (datasize != 0) {') + self._prnt(' %s = ((size_t)datasize) <= 640 ? ' + '(%s)alloca((size_t)datasize) : NULL;' % ( + tovar, tp.get_c_name(''))) + self._prnt(' if (_cffi_convert_array_argument(_cffi_type(%d), %s, ' + '(char **)&%s,' % (self._gettypenum(tp), fromvar, tovar)) + self._prnt(' datasize, &large_args_free) < 0)') + self._prnt(' %s;' % errcode) + self._prnt(' }') + + def _convert_expr_from_c(self, tp, var, context): + if isinstance(tp, model.BasePrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + return '_cffi_from_c_int(%s, %s)' % (var, tp.name) + elif isinstance(tp, model.UnknownFloatType): + return '_cffi_from_c_double(%s)' % (var,) + elif tp.name != 'long double' and not tp.is_complex_type(): + cname = tp.name.replace(' ', '_') + if cname in ('char16_t', 'char32_t'): + self.needs_version(VERSION_CHAR16CHAR32) + return '_cffi_from_c_%s(%s)' % (cname, var) + else: + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, (model.PointerType, model.FunctionPtrType)): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.ArrayType): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(model.PointerType(tp.item))) + elif isinstance(tp, model.StructOrUnion): + if tp.fldnames is None: + raise TypeError("'%s' is used as %s, but is opaque" % ( + tp._get_c_name(), context)) + return '_cffi_from_c_struct((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.EnumType): + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + else: + raise NotImplementedError(tp) + + # ---------- + # typedefs + + def _typedef_type(self, tp, name): + return self._global_type(tp, "(*(%s *)0)" % (name,)) + + def _generate_cpy_typedef_collecttype(self, tp, name): + self._do_collect_type(self._typedef_type(tp, name)) + + def _generate_cpy_typedef_decl(self, tp, name): + pass + + def _typedef_ctx(self, tp, name): + type_index = self._typesdict[tp] + self._lsts["typename"].append(TypenameExpr(name, type_index)) + + def _generate_cpy_typedef_ctx(self, tp, name): + tp = self._typedef_type(tp, name) + self._typedef_ctx(tp, name) + if getattr(tp, "origin", None) == "unknown_type": + self._struct_ctx(tp, tp.name, approxname=None) + elif isinstance(tp, model.NamedPointerType): + self._struct_ctx(tp.totype, tp.totype.name, approxname=tp.name, + named_ptr=tp) + + # ---------- + # function declarations + + def _generate_cpy_function_collecttype(self, tp, name): + self._do_collect_type(tp.as_raw_function()) + if tp.ellipsis and not self.target_is_python: + self._do_collect_type(tp) + + def _generate_cpy_function_decl(self, tp, name): + assert not self.target_is_python + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no CPython wrapper) + self._generate_cpy_constant_decl(tp, name) + return + prnt = self._prnt + numargs = len(tp.args) + if numargs == 0: + argname = 'noarg' + elif numargs == 1: + argname = 'arg0' + else: + argname = 'args' + # + # ------------------------------ + # the 'd' version of the function, only for addressof(lib, 'func') + arguments = [] + call_arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arguments.append(type.get_c_name(' x%d' % i, context)) + call_arguments.append('x%d' % i) + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + if tp.abi: + abi = tp.abi + ' ' + else: + abi = '' + name_and_arguments = '%s_cffi_d_%s(%s)' % (abi, name, repr_arguments) + prnt('static %s' % (tp.result.get_c_name(name_and_arguments),)) + prnt('{') + call_arguments = ', '.join(call_arguments) + result_code = 'return ' + if isinstance(tp.result, model.VoidType): + result_code = '' + prnt(' %s%s(%s);' % (result_code, name, call_arguments)) + prnt('}') + # + prnt('#ifndef PYPY_VERSION') # ------------------------------ + # + prnt('static PyObject *') + prnt('_cffi_f_%s(PyObject *self, PyObject *%s)' % (name, argname)) + prnt('{') + # + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arg = type.get_c_name(' x%d' % i, context) + prnt(' %s;' % arg) + # + localvars = set() + freelines = set() + for type in tp.args: + self._extra_local_variables(type, localvars, freelines) + for decl in sorted(localvars): + prnt(' %s;' % (decl,)) + # + if not isinstance(tp.result, model.VoidType): + result_code = 'result = ' + context = 'result of %s' % name + result_decl = ' %s;' % tp.result.get_c_name(' result', context) + prnt(result_decl) + prnt(' PyObject *pyresult;') + else: + result_decl = None + result_code = '' + # + if len(tp.args) > 1: + rng = range(len(tp.args)) + for i in rng: + prnt(' PyObject *arg%d;' % i) + prnt() + prnt(' if (!PyArg_UnpackTuple(args, "%s", %d, %d, %s))' % ( + name, len(rng), len(rng), + ', '.join(['&arg%d' % i for i in rng]))) + prnt(' return NULL;') + prnt() + # + for i, type in enumerate(tp.args): + self._convert_funcarg_to_c(type, 'arg%d' % i, 'x%d' % i, + 'return NULL') + prnt() + # + prnt(' Py_BEGIN_ALLOW_THREADS') + prnt(' _cffi_restore_errno();') + call_arguments = ['x%d' % i for i in range(len(tp.args))] + call_arguments = ', '.join(call_arguments) + prnt(' { %s%s(%s); }' % (result_code, name, call_arguments)) + prnt(' _cffi_save_errno();') + prnt(' Py_END_ALLOW_THREADS') + prnt() + # + prnt(' (void)self; /* unused */') + if numargs == 0: + prnt(' (void)noarg; /* unused */') + if result_code: + prnt(' pyresult = %s;' % + self._convert_expr_from_c(tp.result, 'result', 'result type')) + for freeline in freelines: + prnt(' ' + freeline) + prnt(' return pyresult;') + else: + for freeline in freelines: + prnt(' ' + freeline) + prnt(' Py_INCREF(Py_None);') + prnt(' return Py_None;') + prnt('}') + # + prnt('#else') # ------------------------------ + # + # the PyPy version: need to replace struct/union arguments with + # pointers, and if the result is a struct/union, insert a first + # arg that is a pointer to the result. We also do that for + # complex args and return type. + def need_indirection(type): + return (isinstance(type, model.StructOrUnion) or + (isinstance(type, model.PrimitiveType) and + type.is_complex_type())) + difference = False + arguments = [] + call_arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + indirection = '' + if need_indirection(type): + indirection = '*' + difference = True + arg = type.get_c_name(' %sx%d' % (indirection, i), context) + arguments.append(arg) + call_arguments.append('%sx%d' % (indirection, i)) + tp_result = tp.result + if need_indirection(tp_result): + context = 'result of %s' % name + arg = tp_result.get_c_name(' *result', context) + arguments.insert(0, arg) + tp_result = model.void_type + result_decl = None + result_code = '*result = ' + difference = True + if difference: + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + name_and_arguments = '%s_cffi_f_%s(%s)' % (abi, name, + repr_arguments) + prnt('static %s' % (tp_result.get_c_name(name_and_arguments),)) + prnt('{') + if result_decl: + prnt(result_decl) + call_arguments = ', '.join(call_arguments) + prnt(' { %s%s(%s); }' % (result_code, name, call_arguments)) + if result_decl: + prnt(' return result;') + prnt('}') + else: + prnt('# define _cffi_f_%s _cffi_d_%s' % (name, name)) + # + prnt('#endif') # ------------------------------ + prnt() + + def _generate_cpy_function_ctx(self, tp, name): + if tp.ellipsis and not self.target_is_python: + self._generate_cpy_constant_ctx(tp, name) + return + type_index = self._typesdict[tp.as_raw_function()] + numargs = len(tp.args) + if self.target_is_python: + meth_kind = OP_DLOPEN_FUNC + elif numargs == 0: + meth_kind = OP_CPYTHON_BLTN_N # 'METH_NOARGS' + elif numargs == 1: + meth_kind = OP_CPYTHON_BLTN_O # 'METH_O' + else: + meth_kind = OP_CPYTHON_BLTN_V # 'METH_VARARGS' + self._lsts["global"].append( + GlobalExpr(name, '_cffi_f_%s' % name, + CffiOp(meth_kind, type_index), + size='_cffi_d_%s' % name)) + + # ---------- + # named structs or unions + + def _field_type(self, tp_struct, field_name, tp_field): + if isinstance(tp_field, model.ArrayType): + actual_length = tp_field.length + if actual_length == '...': + ptr_struct_name = tp_struct.get_c_name('*') + actual_length = '_cffi_array_len(((%s)0)->%s)' % ( + ptr_struct_name, field_name) + tp_item = self._field_type(tp_struct, '%s[0]' % field_name, + tp_field.item) + tp_field = model.ArrayType(tp_item, actual_length) + return tp_field + + def _struct_collecttype(self, tp): + self._do_collect_type(tp) + if self.target_is_python: + # also requires nested anon struct/unions in ABI mode, recursively + for fldtype in tp.anonymous_struct_fields(): + self._struct_collecttype(fldtype) + + def _struct_decl(self, tp, cname, approxname): + if tp.fldtypes is None: + return + prnt = self._prnt + checkfuncname = '_cffi_checkfld_%s' % (approxname,) + prnt('_CFFI_UNUSED_FN') + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in self._enum_fields(tp): + try: + if ftype.is_integer_type() or fbitsize >= 0: + # accept all integers, but complain on float or double + if fname != '': + prnt(" (void)((p->%s) | 0); /* check that '%s.%s' is " + "an integer */" % (fname, cname, fname)) + continue + # only accept exactly the type declared, except that '[]' + # is interpreted as a '*' and so will match any array length. + # (It would also match '*', but that's harder to detect...) + while (isinstance(ftype, model.ArrayType) + and (ftype.length is None or ftype.length == '...')): + ftype = ftype.item + fname = fname + '[0]' + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + prnt('struct _cffi_align_%s { char x; %s y; };' % (approxname, cname)) + prnt() + + def _struct_ctx(self, tp, cname, approxname, named_ptr=None): + type_index = self._typesdict[tp] + reason_for_not_expanding = None + flags = [] + if isinstance(tp, model.UnionType): + flags.append("_CFFI_F_UNION") + if tp.fldtypes is None: + flags.append("_CFFI_F_OPAQUE") + reason_for_not_expanding = "opaque" + if (tp not in self.ffi._parser._included_declarations and + (named_ptr is None or + named_ptr not in self.ffi._parser._included_declarations)): + if tp.fldtypes is None: + pass # opaque + elif tp.partial or any(tp.anonymous_struct_fields()): + pass # field layout obtained silently from the C compiler + else: + flags.append("_CFFI_F_CHECK_FIELDS") + if tp.packed: + if tp.packed > 1: + raise NotImplementedError( + "%r is declared with 'pack=%r'; only 0 or 1 are " + "supported in API mode (try to use \"...;\", which " + "does not require a 'pack' declaration)" % + (tp, tp.packed)) + flags.append("_CFFI_F_PACKED") + else: + flags.append("_CFFI_F_EXTERNAL") + reason_for_not_expanding = "external" + flags = '|'.join(flags) or '0' + c_fields = [] + if reason_for_not_expanding is None: + enumfields = list(self._enum_fields(tp)) + for fldname, fldtype, fbitsize, fqual in enumfields: + fldtype = self._field_type(tp, fldname, fldtype) + self._check_not_opaque(fldtype, + "field '%s.%s'" % (tp.name, fldname)) + # cname is None for _add_missing_struct_unions() only + op = OP_NOOP + if fbitsize >= 0: + op = OP_BITFIELD + size = '%d /* bits */' % fbitsize + elif cname is None or ( + isinstance(fldtype, model.ArrayType) and + fldtype.length is None): + size = '(size_t)-1' + else: + size = 'sizeof(((%s)0)->%s)' % ( + tp.get_c_name('*') if named_ptr is None + else named_ptr.name, + fldname) + if cname is None or fbitsize >= 0: + offset = '(size_t)-1' + elif named_ptr is not None: + offset = '((char *)&((%s)0)->%s) - (char *)0' % ( + named_ptr.name, fldname) + else: + offset = 'offsetof(%s, %s)' % (tp.get_c_name(''), fldname) + c_fields.append( + FieldExpr(fldname, offset, size, fbitsize, + CffiOp(op, self._typesdict[fldtype]))) + first_field_index = len(self._lsts["field"]) + self._lsts["field"].extend(c_fields) + # + if cname is None: # unknown name, for _add_missing_struct_unions + size = '(size_t)-2' + align = -2 + comment = "unnamed" + else: + if named_ptr is not None: + size = 'sizeof(*(%s)0)' % (named_ptr.name,) + align = '-1 /* unknown alignment */' + else: + size = 'sizeof(%s)' % (cname,) + align = 'offsetof(struct _cffi_align_%s, y)' % (approxname,) + comment = None + else: + size = '(size_t)-1' + align = -1 + first_field_index = -1 + comment = reason_for_not_expanding + self._lsts["struct_union"].append( + StructUnionExpr(tp.name, type_index, flags, size, align, comment, + first_field_index, c_fields)) + self._seen_struct_unions.add(tp) + + def _check_not_opaque(self, tp, location): + while isinstance(tp, model.ArrayType): + tp = tp.item + if isinstance(tp, model.StructOrUnion) and tp.fldtypes is None: + raise TypeError( + "%s is of an opaque type (not declared in cdef())" % location) + + def _add_missing_struct_unions(self): + # not very nice, but some struct declarations might be missing + # because they don't have any known C name. Check that they are + # not partial (we can't complete or verify them!) and emit them + # anonymously. + lst = list(self._struct_unions.items()) + lst.sort(key=lambda tp_order: tp_order[1]) + for tp, order in lst: + if tp not in self._seen_struct_unions: + if tp.partial: + raise NotImplementedError("internal inconsistency: %r is " + "partial but was not seen at " + "this point" % (tp,)) + if tp.name.startswith('$') and tp.name[1:].isdigit(): + approxname = tp.name[1:] + elif tp.name == '_IO_FILE' and tp.forcename == 'FILE': + approxname = 'FILE' + self._typedef_ctx(tp, 'FILE') + else: + raise NotImplementedError("internal inconsistency: %r" % + (tp,)) + self._struct_ctx(tp, None, approxname) + + def _generate_cpy_struct_collecttype(self, tp, name): + self._struct_collecttype(tp) + _generate_cpy_union_collecttype = _generate_cpy_struct_collecttype + + def _struct_names(self, tp): + cname = tp.get_c_name('') + if ' ' in cname: + return cname, cname.replace(' ', '_') + else: + return cname, '_' + cname + + def _generate_cpy_struct_decl(self, tp, name): + self._struct_decl(tp, *self._struct_names(tp)) + _generate_cpy_union_decl = _generate_cpy_struct_decl + + def _generate_cpy_struct_ctx(self, tp, name): + self._struct_ctx(tp, *self._struct_names(tp)) + _generate_cpy_union_ctx = _generate_cpy_struct_ctx + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + def _generate_cpy_anonymous_collecttype(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_collecttype(tp, name) + else: + self._struct_collecttype(tp) + + def _generate_cpy_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_decl(tp) + else: + self._struct_decl(tp, name, 'typedef_' + name) + + def _generate_cpy_anonymous_ctx(self, tp, name): + if isinstance(tp, model.EnumType): + self._enum_ctx(tp, name) + else: + self._struct_ctx(tp, name, 'typedef_' + name) + + # ---------- + # constants, declared with "static const ..." + + def _generate_cpy_const(self, is_int, name, tp=None, category='const', + check_value=None): + if (category, name) in self._seen_constants: + raise VerificationError( + "duplicate declaration of %s '%s'" % (category, name)) + self._seen_constants.add((category, name)) + # + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + if is_int: + prnt('static int %s(unsigned long long *o)' % funcname) + prnt('{') + prnt(' int n = (%s) <= 0;' % (name,)) + prnt(' *o = (unsigned long long)((%s) | 0);' + ' /* check that %s is an integer */' % (name, name)) + if check_value is not None: + if check_value > 0: + check_value = '%dU' % (check_value,) + prnt(' if (!_cffi_check_int(*o, n, %s))' % (check_value,)) + prnt(' n |= 2;') + prnt(' return n;') + prnt('}') + else: + assert check_value is None + prnt('static void %s(char *o)' % funcname) + prnt('{') + prnt(' *(%s)o = %s;' % (tp.get_c_name('*'), name)) + prnt('}') + prnt() + + def _generate_cpy_constant_collecttype(self, tp, name): + is_int = tp.is_integer_type() + if not is_int or self.target_is_python: + self._do_collect_type(tp) + + def _generate_cpy_constant_decl(self, tp, name): + is_int = tp.is_integer_type() + self._generate_cpy_const(is_int, name, tp) + + def _generate_cpy_constant_ctx(self, tp, name): + if not self.target_is_python and tp.is_integer_type(): + type_op = CffiOp(OP_CONSTANT_INT, -1) + else: + if self.target_is_python: + const_kind = OP_DLOPEN_CONST + else: + const_kind = OP_CONSTANT + type_index = self._typesdict[tp] + type_op = CffiOp(const_kind, type_index) + self._lsts["global"].append( + GlobalExpr(name, '_cffi_const_%s' % name, type_op)) + + # ---------- + # enums + + def _generate_cpy_enum_collecttype(self, tp, name): + self._do_collect_type(tp) + + def _generate_cpy_enum_decl(self, tp, name=None): + for enumerator in tp.enumerators: + self._generate_cpy_const(True, enumerator) + + def _enum_ctx(self, tp, cname): + type_index = self._typesdict[tp] + type_op = CffiOp(OP_ENUM, -1) + if self.target_is_python: + tp.check_not_partial() + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._lsts["global"].append( + GlobalExpr(enumerator, '_cffi_const_%s' % enumerator, type_op, + check_value=enumvalue)) + # + if cname is not None and '$' not in cname and not self.target_is_python: + size = "sizeof(%s)" % cname + signed = "((%s)-1) <= 0" % cname + else: + basetp = tp.build_baseinttype(self.ffi, []) + size = self.ffi.sizeof(basetp) + signed = int(int(self.ffi.cast(basetp, -1)) < 0) + allenums = ",".join(tp.enumerators) + self._lsts["enum"].append( + EnumExpr(tp.name, type_index, size, signed, allenums)) + + def _generate_cpy_enum_ctx(self, tp, name): + self._enum_ctx(tp, tp._get_c_name()) + + # ---------- + # macros: for now only for integers + + def _generate_cpy_macro_collecttype(self, tp, name): + pass + + def _generate_cpy_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_cpy_const(True, name, check_value=check_value) + + def _generate_cpy_macro_ctx(self, tp, name): + if tp == '...': + if self.target_is_python: + raise VerificationError( + "cannot use the syntax '...' in '#define %s ...' when " + "using the ABI mode" % (name,)) + check_value = None + else: + check_value = tp # an integer + type_op = CffiOp(OP_CONSTANT_INT, -1) + self._lsts["global"].append( + GlobalExpr(name, '_cffi_const_%s' % name, type_op, + check_value=check_value)) + + # ---------- + # global variables + + def _global_type(self, tp, global_name): + if isinstance(tp, model.ArrayType): + actual_length = tp.length + if actual_length == '...': + actual_length = '_cffi_array_len(%s)' % (global_name,) + tp_item = self._global_type(tp.item, '%s[0]' % global_name) + tp = model.ArrayType(tp_item, actual_length) + return tp + + def _generate_cpy_variable_collecttype(self, tp, name): + self._do_collect_type(self._global_type(tp, name)) + + def _generate_cpy_variable_decl(self, tp, name): + prnt = self._prnt + tp = self._global_type(tp, name) + if isinstance(tp, model.ArrayType) and tp.length is None: + tp = tp.item + ampersand = '' + else: + ampersand = '&' + # This code assumes that casts from "tp *" to "void *" is a + # no-op, i.e. a function that returns a "tp *" can be called + # as if it returned a "void *". This should be generally true + # on any modern machine. The only exception to that rule (on + # uncommon architectures, and as far as I can tell) might be + # if 'tp' were a function type, but that is not possible here. + # (If 'tp' is a function _pointer_ type, then casts from "fn_t + # **" to "void *" are again no-ops, as far as I can tell.) + decl = '*_cffi_var_%s(void)' % (name,) + prnt('static ' + tp.get_c_name(decl, quals=self._current_quals)) + prnt('{') + prnt(' return %s(%s);' % (ampersand, name)) + prnt('}') + prnt() + + def _generate_cpy_variable_ctx(self, tp, name): + tp = self._global_type(tp, name) + type_index = self._typesdict[tp] + if self.target_is_python: + op = OP_GLOBAL_VAR + else: + op = OP_GLOBAL_VAR_F + self._lsts["global"].append( + GlobalExpr(name, '_cffi_var_%s' % name, CffiOp(op, type_index))) + + # ---------- + # extern "Python" + + def _generate_cpy_extern_python_collecttype(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + self._do_collect_type(tp) + _generate_cpy_dllexport_python_collecttype = \ + _generate_cpy_extern_python_plus_c_collecttype = \ + _generate_cpy_extern_python_collecttype + + def _extern_python_decl(self, tp, name, tag_and_space): + prnt = self._prnt + if isinstance(tp.result, model.VoidType): + size_of_result = '0' + else: + context = 'result of %s' % name + size_of_result = '(int)sizeof(%s)' % ( + tp.result.get_c_name('', context),) + prnt('static struct _cffi_externpy_s _cffi_externpy__%s =' % name) + prnt(' { "%s.%s", %s, 0, 0 };' % ( + self.module_name, name, size_of_result)) + prnt() + # + arguments = [] + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + arg = type.get_c_name(' a%d' % i, context) + arguments.append(arg) + # + repr_arguments = ', '.join(arguments) + repr_arguments = repr_arguments or 'void' + name_and_arguments = '%s(%s)' % (name, repr_arguments) + if tp.abi == "__stdcall": + name_and_arguments = '_cffi_stdcall ' + name_and_arguments + # + def may_need_128_bits(tp): + return (isinstance(tp, model.PrimitiveType) and + tp.name == 'long double') + # + size_of_a = max(len(tp.args)*8, 8) + if may_need_128_bits(tp.result): + size_of_a = max(size_of_a, 16) + if isinstance(tp.result, model.StructOrUnion): + size_of_a = 'sizeof(%s) > %d ? sizeof(%s) : %d' % ( + tp.result.get_c_name(''), size_of_a, + tp.result.get_c_name(''), size_of_a) + prnt('%s%s' % (tag_and_space, tp.result.get_c_name(name_and_arguments))) + prnt('{') + prnt(' char a[%s];' % size_of_a) + prnt(' char *p = a;') + for i, type in enumerate(tp.args): + arg = 'a%d' % i + if (isinstance(type, model.StructOrUnion) or + may_need_128_bits(type)): + arg = '&' + arg + type = model.PointerType(type) + prnt(' *(%s)(p + %d) = %s;' % (type.get_c_name('*'), i*8, arg)) + prnt(' _cffi_call_python(&_cffi_externpy__%s, p);' % name) + if not isinstance(tp.result, model.VoidType): + prnt(' return *(%s)p;' % (tp.result.get_c_name('*'),)) + prnt('}') + prnt() + self._num_externpy += 1 + + def _generate_cpy_extern_python_decl(self, tp, name): + self._extern_python_decl(tp, name, 'static ') + + def _generate_cpy_dllexport_python_decl(self, tp, name): + self._extern_python_decl(tp, name, 'CFFI_DLLEXPORT ') + + def _generate_cpy_extern_python_plus_c_decl(self, tp, name): + self._extern_python_decl(tp, name, '') + + def _generate_cpy_extern_python_ctx(self, tp, name): + if self.target_is_python: + raise VerificationError( + "cannot use 'extern \"Python\"' in the ABI mode") + if tp.ellipsis: + raise NotImplementedError("a vararg function is extern \"Python\"") + type_index = self._typesdict[tp] + type_op = CffiOp(OP_EXTERN_PYTHON, type_index) + self._lsts["global"].append( + GlobalExpr(name, '&_cffi_externpy__%s' % name, type_op, name)) + + _generate_cpy_dllexport_python_ctx = \ + _generate_cpy_extern_python_plus_c_ctx = \ + _generate_cpy_extern_python_ctx + + def _print_string_literal_in_array(self, s): + prnt = self._prnt + prnt('// # NB. this is not a string because of a size limit in MSVC') + if not isinstance(s, bytes): # unicode + s = s.encode('utf-8') # -> bytes + else: + s.decode('utf-8') # got bytes, check for valid utf-8 + try: + s.decode('ascii') + except UnicodeDecodeError: + s = b'# -*- encoding: utf8 -*-\n' + s + for line in s.splitlines(True): + comment = line + if type('//') is bytes: # python2 + line = map(ord, line) # make a list of integers + else: # python3 + # type(line) is bytes, which enumerates like a list of integers + comment = ascii(comment)[1:-1] + prnt(('// ' + comment).rstrip()) + printed_line = '' + for c in line: + if len(printed_line) >= 76: + prnt(printed_line) + printed_line = '' + printed_line += '%d,' % (c,) + prnt(printed_line) + + # ---------- + # emitting the opcodes for individual types + + def _emit_bytecode_VoidType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, PRIM_VOID) + + def _emit_bytecode_PrimitiveType(self, tp, index): + prim_index = PRIMITIVE_TO_INDEX[tp.name] + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, prim_index) + + def _emit_bytecode_UnknownIntegerType(self, tp, index): + s = ('_cffi_prim_int(sizeof(%s), (\n' + ' ((%s)-1) | 0 /* check that %s is an integer type */\n' + ' ) <= 0)' % (tp.name, tp.name, tp.name)) + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, s) + + def _emit_bytecode_UnknownFloatType(self, tp, index): + s = ('_cffi_prim_float(sizeof(%s) *\n' + ' (((%s)1) / 2) * 2 /* integer => 0, float => 1 */\n' + ' )' % (tp.name, tp.name)) + self.cffi_types[index] = CffiOp(OP_PRIMITIVE, s) + + def _emit_bytecode_RawFunctionType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_FUNCTION, self._typesdict[tp.result]) + index += 1 + for tp1 in tp.args: + realindex = self._typesdict[tp1] + if index != realindex: + if isinstance(tp1, model.PrimitiveType): + self._emit_bytecode_PrimitiveType(tp1, index) + else: + self.cffi_types[index] = CffiOp(OP_NOOP, realindex) + index += 1 + flags = int(tp.ellipsis) + if tp.abi is not None: + if tp.abi == '__stdcall': + flags |= 2 + else: + raise NotImplementedError("abi=%r" % (tp.abi,)) + self.cffi_types[index] = CffiOp(OP_FUNCTION_END, flags) + + def _emit_bytecode_PointerType(self, tp, index): + self.cffi_types[index] = CffiOp(OP_POINTER, self._typesdict[tp.totype]) + + _emit_bytecode_ConstPointerType = _emit_bytecode_PointerType + _emit_bytecode_NamedPointerType = _emit_bytecode_PointerType + + def _emit_bytecode_FunctionPtrType(self, tp, index): + raw = tp.as_raw_function() + self.cffi_types[index] = CffiOp(OP_POINTER, self._typesdict[raw]) + + def _emit_bytecode_ArrayType(self, tp, index): + item_index = self._typesdict[tp.item] + if tp.length is None: + self.cffi_types[index] = CffiOp(OP_OPEN_ARRAY, item_index) + elif tp.length == '...': + raise VerificationError( + "type %s badly placed: the '...' array length can only be " + "used on global arrays or on fields of structures" % ( + str(tp).replace('/*...*/', '...'),)) + else: + assert self.cffi_types[index + 1] == 'LEN' + self.cffi_types[index] = CffiOp(OP_ARRAY, item_index) + self.cffi_types[index + 1] = CffiOp(None, str(tp.length)) + + def _emit_bytecode_StructType(self, tp, index): + struct_index = self._struct_unions[tp] + self.cffi_types[index] = CffiOp(OP_STRUCT_UNION, struct_index) + _emit_bytecode_UnionType = _emit_bytecode_StructType + + def _emit_bytecode_EnumType(self, tp, index): + enum_index = self._enums[tp] + self.cffi_types[index] = CffiOp(OP_ENUM, enum_index) + + +if sys.version_info >= (3,): + NativeIO = io.StringIO +else: + class NativeIO(io.BytesIO): + def write(self, s): + if isinstance(s, unicode): + s = s.encode('ascii') + super(NativeIO, self).write(s) + +def _make_c_or_py_source(ffi, module_name, preamble, target_file, verbose): + if verbose: + print("generating %s" % (target_file,)) + recompiler = Recompiler(ffi, module_name, + target_is_python=(preamble is None)) + recompiler.collect_type_table() + recompiler.collect_step_tables() + f = NativeIO() + recompiler.write_source_to_f(f, preamble) + output = f.getvalue() + try: + with open(target_file, 'r') as f1: + if f1.read(len(output) + 1) != output: + raise IOError + if verbose: + print("(already up-to-date)") + return False # already up-to-date + except IOError: + tmp_file = '%s.~%d' % (target_file, os.getpid()) + with open(tmp_file, 'w') as f1: + f1.write(output) + try: + os.rename(tmp_file, target_file) + except OSError: + os.unlink(target_file) + os.rename(tmp_file, target_file) + return True + +def make_c_source(ffi, module_name, preamble, target_c_file, verbose=False): + assert preamble is not None + return _make_c_or_py_source(ffi, module_name, preamble, target_c_file, + verbose) + +def make_py_source(ffi, module_name, target_py_file, verbose=False): + return _make_c_or_py_source(ffi, module_name, None, target_py_file, + verbose) + +def _modname_to_file(outputdir, modname, extension): + parts = modname.split('.') + try: + os.makedirs(os.path.join(outputdir, *parts[:-1])) + except OSError: + pass + parts[-1] += extension + return os.path.join(outputdir, *parts), parts + + +# Aaargh. Distutils is not tested at all for the purpose of compiling +# DLLs that are not extension modules. Here are some hacks to work +# around that, in the _patch_for_*() functions... + +def _patch_meth(patchlist, cls, name, new_meth): + old = getattr(cls, name) + patchlist.append((cls, name, old)) + setattr(cls, name, new_meth) + return old + +def _unpatch_meths(patchlist): + for cls, name, old_meth in reversed(patchlist): + setattr(cls, name, old_meth) + +def _patch_for_embedding(patchlist): + if sys.platform == 'win32': + # we must not remove the manifest when building for embedding! + from distutils.msvc9compiler import MSVCCompiler + _patch_meth(patchlist, MSVCCompiler, '_remove_visual_c_ref', + lambda self, manifest_file: manifest_file) + + if sys.platform == 'darwin': + # we must not make a '-bundle', but a '-dynamiclib' instead + from distutils.ccompiler import CCompiler + def my_link_shared_object(self, *args, **kwds): + if '-bundle' in self.linker_so: + self.linker_so = list(self.linker_so) + i = self.linker_so.index('-bundle') + self.linker_so[i] = '-dynamiclib' + return old_link_shared_object(self, *args, **kwds) + old_link_shared_object = _patch_meth(patchlist, CCompiler, + 'link_shared_object', + my_link_shared_object) + +def _patch_for_target(patchlist, target): + from distutils.command.build_ext import build_ext + # if 'target' is different from '*', we need to patch some internal + # method to just return this 'target' value, instead of having it + # built from module_name + if target.endswith('.*'): + target = target[:-2] + if sys.platform == 'win32': + target += '.dll' + elif sys.platform == 'darwin': + target += '.dylib' + else: + target += '.so' + _patch_meth(patchlist, build_ext, 'get_ext_filename', + lambda self, ext_name: target) + + +def recompile(ffi, module_name, preamble, tmpdir='.', call_c_compiler=True, + c_file=None, source_extension='.c', extradir=None, + compiler_verbose=1, target=None, debug=None, **kwds): + if not isinstance(module_name, str): + module_name = module_name.encode('ascii') + if ffi._windows_unicode: + ffi._apply_windows_unicode(kwds) + if preamble is not None: + embedding = (ffi._embedding is not None) + if embedding: + ffi._apply_embedding_fix(kwds) + if c_file is None: + c_file, parts = _modname_to_file(tmpdir, module_name, + source_extension) + if extradir: + parts = [extradir] + parts + ext_c_file = os.path.join(*parts) + else: + ext_c_file = c_file + # + if target is None: + if embedding: + target = '%s.*' % module_name + else: + target = '*' + # + ext = ffiplatform.get_extension(ext_c_file, module_name, **kwds) + updated = make_c_source(ffi, module_name, preamble, c_file, + verbose=compiler_verbose) + if call_c_compiler: + patchlist = [] + cwd = os.getcwd() + try: + if embedding: + _patch_for_embedding(patchlist) + if target != '*': + _patch_for_target(patchlist, target) + if compiler_verbose: + if tmpdir == '.': + msg = 'the current directory is' + else: + msg = 'setting the current directory to' + print('%s %r' % (msg, os.path.abspath(tmpdir))) + os.chdir(tmpdir) + outputfilename = ffiplatform.compile('.', ext, + compiler_verbose, debug) + finally: + os.chdir(cwd) + _unpatch_meths(patchlist) + return outputfilename + else: + return ext, updated + else: + if c_file is None: + c_file, _ = _modname_to_file(tmpdir, module_name, '.py') + updated = make_py_source(ffi, module_name, c_file, + verbose=compiler_verbose) + if call_c_compiler: + return c_file + else: + return None, updated + diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/setuptools_ext.py b/backend/mb-env/lib/python3.9/site-packages/cffi/setuptools_ext.py new file mode 100644 index 0000000..8fe3614 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/setuptools_ext.py @@ -0,0 +1,219 @@ +import os +import sys + +try: + basestring +except NameError: + # Python 3.x + basestring = str + +def error(msg): + from distutils.errors import DistutilsSetupError + raise DistutilsSetupError(msg) + + +def execfile(filename, glob): + # We use execfile() (here rewritten for Python 3) instead of + # __import__() to load the build script. The problem with + # a normal import is that in some packages, the intermediate + # __init__.py files may already try to import the file that + # we are generating. + with open(filename) as f: + src = f.read() + src += '\n' # Python 2.6 compatibility + code = compile(src, filename, 'exec') + exec(code, glob, glob) + + +def add_cffi_module(dist, mod_spec): + from cffi.api import FFI + + if not isinstance(mod_spec, basestring): + error("argument to 'cffi_modules=...' must be a str or a list of str," + " not %r" % (type(mod_spec).__name__,)) + mod_spec = str(mod_spec) + try: + build_file_name, ffi_var_name = mod_spec.split(':') + except ValueError: + error("%r must be of the form 'path/build.py:ffi_variable'" % + (mod_spec,)) + if not os.path.exists(build_file_name): + ext = '' + rewritten = build_file_name.replace('.', '/') + '.py' + if os.path.exists(rewritten): + ext = ' (rewrite cffi_modules to [%r])' % ( + rewritten + ':' + ffi_var_name,) + error("%r does not name an existing file%s" % (build_file_name, ext)) + + mod_vars = {'__name__': '__cffi__', '__file__': build_file_name} + execfile(build_file_name, mod_vars) + + try: + ffi = mod_vars[ffi_var_name] + except KeyError: + error("%r: object %r not found in module" % (mod_spec, + ffi_var_name)) + if not isinstance(ffi, FFI): + ffi = ffi() # maybe it's a function instead of directly an ffi + if not isinstance(ffi, FFI): + error("%r is not an FFI instance (got %r)" % (mod_spec, + type(ffi).__name__)) + if not hasattr(ffi, '_assigned_source'): + error("%r: the set_source() method was not called" % (mod_spec,)) + module_name, source, source_extension, kwds = ffi._assigned_source + if ffi._windows_unicode: + kwds = kwds.copy() + ffi._apply_windows_unicode(kwds) + + if source is None: + _add_py_module(dist, ffi, module_name) + else: + _add_c_module(dist, ffi, module_name, source, source_extension, kwds) + +def _set_py_limited_api(Extension, kwds): + """ + Add py_limited_api to kwds if setuptools >= 26 is in use. + Do not alter the setting if it already exists. + Setuptools takes care of ignoring the flag on Python 2 and PyPy. + + CPython itself should ignore the flag in a debugging version + (by not listing .abi3.so in the extensions it supports), but + it doesn't so far, creating troubles. That's why we check + for "not hasattr(sys, 'gettotalrefcount')" (the 2.7 compatible equivalent + of 'd' not in sys.abiflags). (http://bugs.python.org/issue28401) + + On Windows, with CPython <= 3.4, it's better not to use py_limited_api + because virtualenv *still* doesn't copy PYTHON3.DLL on these versions. + Recently (2020) we started shipping only >= 3.5 wheels, though. So + we'll give it another try and set py_limited_api on Windows >= 3.5. + """ + from cffi import recompiler + + if ('py_limited_api' not in kwds and not hasattr(sys, 'gettotalrefcount') + and recompiler.USE_LIMITED_API): + import setuptools + try: + setuptools_major_version = int(setuptools.__version__.partition('.')[0]) + if setuptools_major_version >= 26: + kwds['py_limited_api'] = True + except ValueError: # certain development versions of setuptools + # If we don't know the version number of setuptools, we + # try to set 'py_limited_api' anyway. At worst, we get a + # warning. + kwds['py_limited_api'] = True + return kwds + +def _add_c_module(dist, ffi, module_name, source, source_extension, kwds): + from distutils.core import Extension + # We are a setuptools extension. Need this build_ext for py_limited_api. + from setuptools.command.build_ext import build_ext + from distutils.dir_util import mkpath + from distutils import log + from cffi import recompiler + + allsources = ['$PLACEHOLDER'] + allsources.extend(kwds.pop('sources', [])) + kwds = _set_py_limited_api(Extension, kwds) + ext = Extension(name=module_name, sources=allsources, **kwds) + + def make_mod(tmpdir, pre_run=None): + c_file = os.path.join(tmpdir, module_name + source_extension) + log.info("generating cffi module %r" % c_file) + mkpath(tmpdir) + # a setuptools-only, API-only hook: called with the "ext" and "ffi" + # arguments just before we turn the ffi into C code. To use it, + # subclass the 'distutils.command.build_ext.build_ext' class and + # add a method 'def pre_run(self, ext, ffi)'. + if pre_run is not None: + pre_run(ext, ffi) + updated = recompiler.make_c_source(ffi, module_name, source, c_file) + if not updated: + log.info("already up-to-date") + return c_file + + if dist.ext_modules is None: + dist.ext_modules = [] + dist.ext_modules.append(ext) + + base_class = dist.cmdclass.get('build_ext', build_ext) + class build_ext_make_mod(base_class): + def run(self): + if ext.sources[0] == '$PLACEHOLDER': + pre_run = getattr(self, 'pre_run', None) + ext.sources[0] = make_mod(self.build_temp, pre_run) + base_class.run(self) + dist.cmdclass['build_ext'] = build_ext_make_mod + # NB. multiple runs here will create multiple 'build_ext_make_mod' + # classes. Even in this case the 'build_ext' command should be + # run once; but just in case, the logic above does nothing if + # called again. + + +def _add_py_module(dist, ffi, module_name): + from distutils.dir_util import mkpath + from setuptools.command.build_py import build_py + from setuptools.command.build_ext import build_ext + from distutils import log + from cffi import recompiler + + def generate_mod(py_file): + log.info("generating cffi module %r" % py_file) + mkpath(os.path.dirname(py_file)) + updated = recompiler.make_py_source(ffi, module_name, py_file) + if not updated: + log.info("already up-to-date") + + base_class = dist.cmdclass.get('build_py', build_py) + class build_py_make_mod(base_class): + def run(self): + base_class.run(self) + module_path = module_name.split('.') + module_path[-1] += '.py' + generate_mod(os.path.join(self.build_lib, *module_path)) + def get_source_files(self): + # This is called from 'setup.py sdist' only. Exclude + # the generate .py module in this case. + saved_py_modules = self.py_modules + try: + if saved_py_modules: + self.py_modules = [m for m in saved_py_modules + if m != module_name] + return base_class.get_source_files(self) + finally: + self.py_modules = saved_py_modules + dist.cmdclass['build_py'] = build_py_make_mod + + # distutils and setuptools have no notion I could find of a + # generated python module. If we don't add module_name to + # dist.py_modules, then things mostly work but there are some + # combination of options (--root and --record) that will miss + # the module. So we add it here, which gives a few apparently + # harmless warnings about not finding the file outside the + # build directory. + # Then we need to hack more in get_source_files(); see above. + if dist.py_modules is None: + dist.py_modules = [] + dist.py_modules.append(module_name) + + # the following is only for "build_ext -i" + base_class_2 = dist.cmdclass.get('build_ext', build_ext) + class build_ext_make_mod(base_class_2): + def run(self): + base_class_2.run(self) + if self.inplace: + # from get_ext_fullpath() in distutils/command/build_ext.py + module_path = module_name.split('.') + package = '.'.join(module_path[:-1]) + build_py = self.get_finalized_command('build_py') + package_dir = build_py.get_package_dir(package) + file_name = module_path[-1] + '.py' + generate_mod(os.path.join(package_dir, file_name)) + dist.cmdclass['build_ext'] = build_ext_make_mod + +def cffi_modules(dist, attr, value): + assert attr == 'cffi_modules' + if isinstance(value, basestring): + value = [value] + + for cffi_module in value: + add_cffi_module(dist, cffi_module) diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_cpy.py b/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_cpy.py new file mode 100644 index 0000000..6de0df0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_cpy.py @@ -0,0 +1,1076 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys, imp +from . import model +from .error import VerificationError + + +class VCPythonEngine(object): + _class_key = 'x' + _gen_python_module = True + + def __init__(self, verifier): + self.verifier = verifier + self.ffi = verifier.ffi + self._struct_pending_verification = {} + self._types_of_builtin_functions = {} + + def patch_extension_kwds(self, kwds): + pass + + def find_module(self, module_name, path, so_suffixes): + try: + f, filename, descr = imp.find_module(module_name, path) + except ImportError: + return None + if f is not None: + f.close() + # Note that after a setuptools installation, there are both .py + # and .so files with the same basename. The code here relies on + # imp.find_module() locating the .so in priority. + if descr[0] not in so_suffixes: + return None + return filename + + def collect_types(self): + self._typesdict = {} + self._generate("collecttype") + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def _gettypenum(self, type): + # a KeyError here is a bug. please report it! :-) + return self._typesdict[type] + + def _do_collect_type(self, tp): + if ((not isinstance(tp, model.PrimitiveType) + or tp.name == 'long double') + and tp not in self._typesdict): + num = len(self._typesdict) + self._typesdict[tp] = num + + def write_source_to_f(self): + self.collect_types() + # + # The new module will have a _cffi_setup() function that receives + # objects from the ffi world, and that calls some setup code in + # the module. This setup code is split in several independent + # functions, e.g. one per constant. The functions are "chained" + # by ending in a tail call to each other. + # + # This is further split in two chained lists, depending on if we + # can do it at import-time or if we must wait for _cffi_setup() to + # provide us with the objects. This is needed because we + # need the values of the enum constants in order to build the + # that we may have to pass to _cffi_setup(). + # + # The following two 'chained_list_constants' items contains + # the head of these two chained lists, as a string that gives the + # call to do, if any. + self._chained_list_constants = ['((void)lib,0)', '((void)lib,0)'] + # + prnt = self._prnt + # first paste some standard set of lines that are mostly '#define' + prnt(cffimod_header) + prnt() + # then paste the C source given by the user, verbatim. + prnt(self.verifier.preamble) + prnt() + # + # call generate_cpy_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._generate("decl") + # + # implement the function _cffi_setup_custom() as calling the + # head of the chained list. + self._generate_setup_custom() + prnt() + # + # produce the method table, including the entries for the + # generated Python->C function wrappers, which are done + # by generate_cpy_function_method(). + prnt('static PyMethodDef _cffi_methods[] = {') + self._generate("method") + prnt(' {"_cffi_setup", _cffi_setup, METH_VARARGS, NULL},') + prnt(' {NULL, NULL, 0, NULL} /* Sentinel */') + prnt('};') + prnt() + # + # standard init. + modname = self.verifier.get_module_name() + constants = self._chained_list_constants[False] + prnt('#if PY_MAJOR_VERSION >= 3') + prnt() + prnt('static struct PyModuleDef _cffi_module_def = {') + prnt(' PyModuleDef_HEAD_INIT,') + prnt(' "%s",' % modname) + prnt(' NULL,') + prnt(' -1,') + prnt(' _cffi_methods,') + prnt(' NULL, NULL, NULL, NULL') + prnt('};') + prnt() + prnt('PyMODINIT_FUNC') + prnt('PyInit_%s(void)' % modname) + prnt('{') + prnt(' PyObject *lib;') + prnt(' lib = PyModule_Create(&_cffi_module_def);') + prnt(' if (lib == NULL)') + prnt(' return NULL;') + prnt(' if (%s < 0 || _cffi_init() < 0) {' % (constants,)) + prnt(' Py_DECREF(lib);') + prnt(' return NULL;') + prnt(' }') + prnt(' return lib;') + prnt('}') + prnt() + prnt('#else') + prnt() + prnt('PyMODINIT_FUNC') + prnt('init%s(void)' % modname) + prnt('{') + prnt(' PyObject *lib;') + prnt(' lib = Py_InitModule("%s", _cffi_methods);' % modname) + prnt(' if (lib == NULL)') + prnt(' return;') + prnt(' if (%s < 0 || _cffi_init() < 0)' % (constants,)) + prnt(' return;') + prnt(' return;') + prnt('}') + prnt() + prnt('#endif') + + def load_library(self, flags=None): + # XXX review all usages of 'self' here! + # import it as a new extension module + imp.acquire_lock() + try: + if hasattr(sys, "getdlopenflags"): + previous_flags = sys.getdlopenflags() + try: + if hasattr(sys, "setdlopenflags") and flags is not None: + sys.setdlopenflags(flags) + module = imp.load_dynamic(self.verifier.get_module_name(), + self.verifier.modulefilename) + except ImportError as e: + error = "importing %r: %s" % (self.verifier.modulefilename, e) + raise VerificationError(error) + finally: + if hasattr(sys, "setdlopenflags"): + sys.setdlopenflags(previous_flags) + finally: + imp.release_lock() + # + # call loading_cpy_struct() to get the struct layout inferred by + # the C compiler + self._load(module, 'loading') + # + # the C code will need the objects. Collect them in + # order in a list. + revmapping = dict([(value, key) + for (key, value) in self._typesdict.items()]) + lst = [revmapping[i] for i in range(len(revmapping))] + lst = list(map(self.ffi._get_cached_btype, lst)) + # + # build the FFILibrary class and instance and call _cffi_setup(). + # this will set up some fields like '_cffi_types', and only then + # it will invoke the chained list of functions that will really + # build (notably) the constant objects, as if they are + # pointers, and store them as attributes on the 'library' object. + class FFILibrary(object): + _cffi_python_module = module + _cffi_ffi = self.ffi + _cffi_dir = [] + def __dir__(self): + return FFILibrary._cffi_dir + list(self.__dict__) + library = FFILibrary() + if module._cffi_setup(lst, VerificationError, library): + import warnings + warnings.warn("reimporting %r might overwrite older definitions" + % (self.verifier.get_module_name())) + # + # finally, call the loaded_cpy_xxx() functions. This will perform + # the final adjustments, like copying the Python->C wrapper + # functions from the module to the 'library' object, and setting + # up the FFILibrary class with properties for the global C variables. + self._load(module, 'loaded', library=library) + module._cffi_original_ffi = self.ffi + module._cffi_types_of_builtin_funcs = self._types_of_builtin_functions + return library + + def _get_declarations(self): + lst = [(key, tp) for (key, (tp, qual)) in + self.ffi._parser._declarations.items()] + lst.sort() + return lst + + def _generate(self, step_name): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_cpy_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in verify(): %r" % name) + try: + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _load(self, module, step_name, **kwds): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + method = getattr(self, '_%s_cpy_%s' % (step_name, kind)) + try: + method(tp, realname, module, **kwds) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _generate_nothing(self, tp, name): + pass + + def _loaded_noop(self, tp, name, module, **kwds): + pass + + # ---------- + + def _convert_funcarg_to_c(self, tp, fromvar, tovar, errcode): + extraarg = '' + if isinstance(tp, model.PrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + converter = '_cffi_to_c_int' + extraarg = ', %s' % tp.name + else: + converter = '(%s)_cffi_to_c_%s' % (tp.get_c_name(''), + tp.name.replace(' ', '_')) + errvalue = '-1' + # + elif isinstance(tp, model.PointerType): + self._convert_funcarg_to_c_ptr_or_array(tp, fromvar, + tovar, errcode) + return + # + elif isinstance(tp, (model.StructOrUnion, model.EnumType)): + # a struct (not a struct pointer) as a function argument + self._prnt(' if (_cffi_to_c((char *)&%s, _cffi_type(%d), %s) < 0)' + % (tovar, self._gettypenum(tp), fromvar)) + self._prnt(' %s;' % errcode) + return + # + elif isinstance(tp, model.FunctionPtrType): + converter = '(%s)_cffi_to_c_pointer' % tp.get_c_name('') + extraarg = ', _cffi_type(%d)' % self._gettypenum(tp) + errvalue = 'NULL' + # + else: + raise NotImplementedError(tp) + # + self._prnt(' %s = %s(%s%s);' % (tovar, converter, fromvar, extraarg)) + self._prnt(' if (%s == (%s)%s && PyErr_Occurred())' % ( + tovar, tp.get_c_name(''), errvalue)) + self._prnt(' %s;' % errcode) + + def _extra_local_variables(self, tp, localvars, freelines): + if isinstance(tp, model.PointerType): + localvars.add('Py_ssize_t datasize') + localvars.add('struct _cffi_freeme_s *large_args_free = NULL') + freelines.add('if (large_args_free != NULL)' + ' _cffi_free_array_arguments(large_args_free);') + + def _convert_funcarg_to_c_ptr_or_array(self, tp, fromvar, tovar, errcode): + self._prnt(' datasize = _cffi_prepare_pointer_call_argument(') + self._prnt(' _cffi_type(%d), %s, (char **)&%s);' % ( + self._gettypenum(tp), fromvar, tovar)) + self._prnt(' if (datasize != 0) {') + self._prnt(' %s = ((size_t)datasize) <= 640 ? ' + 'alloca((size_t)datasize) : NULL;' % (tovar,)) + self._prnt(' if (_cffi_convert_array_argument(_cffi_type(%d), %s, ' + '(char **)&%s,' % (self._gettypenum(tp), fromvar, tovar)) + self._prnt(' datasize, &large_args_free) < 0)') + self._prnt(' %s;' % errcode) + self._prnt(' }') + + def _convert_expr_from_c(self, tp, var, context): + if isinstance(tp, model.PrimitiveType): + if tp.is_integer_type() and tp.name != '_Bool': + return '_cffi_from_c_int(%s, %s)' % (var, tp.name) + elif tp.name != 'long double': + return '_cffi_from_c_%s(%s)' % (tp.name.replace(' ', '_'), var) + else: + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, (model.PointerType, model.FunctionPtrType)): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.ArrayType): + return '_cffi_from_c_pointer((char *)%s, _cffi_type(%d))' % ( + var, self._gettypenum(model.PointerType(tp.item))) + elif isinstance(tp, model.StructOrUnion): + if tp.fldnames is None: + raise TypeError("'%s' is used as %s, but is opaque" % ( + tp._get_c_name(), context)) + return '_cffi_from_c_struct((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + elif isinstance(tp, model.EnumType): + return '_cffi_from_c_deref((char *)&%s, _cffi_type(%d))' % ( + var, self._gettypenum(tp)) + else: + raise NotImplementedError(tp) + + # ---------- + # typedefs: generates no code so far + + _generate_cpy_typedef_collecttype = _generate_nothing + _generate_cpy_typedef_decl = _generate_nothing + _generate_cpy_typedef_method = _generate_nothing + _loading_cpy_typedef = _loaded_noop + _loaded_cpy_typedef = _loaded_noop + + # ---------- + # function declarations + + def _generate_cpy_function_collecttype(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + self._do_collect_type(tp) + else: + # don't call _do_collect_type(tp) in this common case, + # otherwise test_autofilled_struct_as_argument fails + for type in tp.args: + self._do_collect_type(type) + self._do_collect_type(tp.result) + + def _generate_cpy_function_decl(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no CPython wrapper) + self._generate_cpy_const(False, name, tp) + return + prnt = self._prnt + numargs = len(tp.args) + if numargs == 0: + argname = 'noarg' + elif numargs == 1: + argname = 'arg0' + else: + argname = 'args' + prnt('static PyObject *') + prnt('_cffi_f_%s(PyObject *self, PyObject *%s)' % (name, argname)) + prnt('{') + # + context = 'argument of %s' % name + for i, type in enumerate(tp.args): + prnt(' %s;' % type.get_c_name(' x%d' % i, context)) + # + localvars = set() + freelines = set() + for type in tp.args: + self._extra_local_variables(type, localvars, freelines) + for decl in sorted(localvars): + prnt(' %s;' % (decl,)) + # + if not isinstance(tp.result, model.VoidType): + result_code = 'result = ' + context = 'result of %s' % name + prnt(' %s;' % tp.result.get_c_name(' result', context)) + prnt(' PyObject *pyresult;') + else: + result_code = '' + # + if len(tp.args) > 1: + rng = range(len(tp.args)) + for i in rng: + prnt(' PyObject *arg%d;' % i) + prnt() + prnt(' if (!PyArg_ParseTuple(args, "%s:%s", %s))' % ( + 'O' * numargs, name, ', '.join(['&arg%d' % i for i in rng]))) + prnt(' return NULL;') + prnt() + # + for i, type in enumerate(tp.args): + self._convert_funcarg_to_c(type, 'arg%d' % i, 'x%d' % i, + 'return NULL') + prnt() + # + prnt(' Py_BEGIN_ALLOW_THREADS') + prnt(' _cffi_restore_errno();') + prnt(' { %s%s(%s); }' % ( + result_code, name, + ', '.join(['x%d' % i for i in range(len(tp.args))]))) + prnt(' _cffi_save_errno();') + prnt(' Py_END_ALLOW_THREADS') + prnt() + # + prnt(' (void)self; /* unused */') + if numargs == 0: + prnt(' (void)noarg; /* unused */') + if result_code: + prnt(' pyresult = %s;' % + self._convert_expr_from_c(tp.result, 'result', 'result type')) + for freeline in freelines: + prnt(' ' + freeline) + prnt(' return pyresult;') + else: + for freeline in freelines: + prnt(' ' + freeline) + prnt(' Py_INCREF(Py_None);') + prnt(' return Py_None;') + prnt('}') + prnt() + + def _generate_cpy_function_method(self, tp, name): + if tp.ellipsis: + return + numargs = len(tp.args) + if numargs == 0: + meth = 'METH_NOARGS' + elif numargs == 1: + meth = 'METH_O' + else: + meth = 'METH_VARARGS' + self._prnt(' {"%s", _cffi_f_%s, %s, NULL},' % (name, name, meth)) + + _loading_cpy_function = _loaded_noop + + def _loaded_cpy_function(self, tp, name, module, library): + if tp.ellipsis: + return + func = getattr(module, name) + setattr(library, name, func) + self._types_of_builtin_functions[func] = tp + + # ---------- + # named structs + + _generate_cpy_struct_collecttype = _generate_nothing + def _generate_cpy_struct_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'struct', name) + def _generate_cpy_struct_method(self, tp, name): + self._generate_struct_or_union_method(tp, 'struct', name) + def _loading_cpy_struct(self, tp, name, module): + self._loading_struct_or_union(tp, 'struct', name, module) + def _loaded_cpy_struct(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + _generate_cpy_union_collecttype = _generate_nothing + def _generate_cpy_union_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'union', name) + def _generate_cpy_union_method(self, tp, name): + self._generate_struct_or_union_method(tp, 'union', name) + def _loading_cpy_union(self, tp, name, module): + self._loading_struct_or_union(tp, 'union', name, module) + def _loaded_cpy_union(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_struct_or_union_decl(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + checkfuncname = '_cffi_check_%s_%s' % (prefix, name) + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + cname = ('%s %s' % (prefix, name)).strip() + # + prnt = self._prnt + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if (isinstance(ftype, model.PrimitiveType) + and ftype.is_integer_type()) or fbitsize >= 0: + # accept all integers, but complain on float or double + prnt(' (void)((p->%s) << 1);' % fname) + else: + # only accept exactly the type declared. + try: + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + prnt('static PyObject *') + prnt('%s(PyObject *self, PyObject *noarg)' % (layoutfuncname,)) + prnt('{') + prnt(' struct _cffi_aligncheck { char x; %s y; };' % cname) + prnt(' static Py_ssize_t nums[] = {') + prnt(' sizeof(%s),' % cname) + prnt(' offsetof(struct _cffi_aligncheck, y),') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + prnt(' offsetof(%s, %s),' % (cname, fname)) + if isinstance(ftype, model.ArrayType) and ftype.length is None: + prnt(' 0, /* %s */' % ftype._get_c_name()) + else: + prnt(' sizeof(((%s *)0)->%s),' % (cname, fname)) + prnt(' -1') + prnt(' };') + prnt(' (void)self; /* unused */') + prnt(' (void)noarg; /* unused */') + prnt(' return _cffi_get_struct_layout(nums);') + prnt(' /* the next line is not executed, but compiled */') + prnt(' %s(0);' % (checkfuncname,)) + prnt('}') + prnt() + + def _generate_struct_or_union_method(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + self._prnt(' {"%s", %s, METH_NOARGS, NULL},' % (layoutfuncname, + layoutfuncname)) + + def _loading_struct_or_union(self, tp, prefix, name, module): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + # + function = getattr(module, layoutfuncname) + layout = function() + if isinstance(tp, model.StructOrUnion) and tp.partial: + # use the function()'s sizes and offsets to guide the + # layout of the struct + totalsize = layout[0] + totalalignment = layout[1] + fieldofs = layout[2::2] + fieldsize = layout[3::2] + tp.force_flatten() + assert len(fieldofs) == len(fieldsize) == len(tp.fldnames) + tp.fixedlayout = fieldofs, fieldsize, totalsize, totalalignment + else: + cname = ('%s %s' % (prefix, name)).strip() + self._struct_pending_verification[tp] = layout, cname + + def _loaded_struct_or_union(self, tp): + if tp.fldnames is None: + return # nothing to do with opaque structs + self.ffi._get_cached_btype(tp) # force 'fixedlayout' to be considered + + if tp in self._struct_pending_verification: + # check that the layout sizes and offsets match the real ones + def check(realvalue, expectedvalue, msg): + if realvalue != expectedvalue: + raise VerificationError( + "%s (we have %d, but C compiler says %d)" + % (msg, expectedvalue, realvalue)) + ffi = self.ffi + BStruct = ffi._get_cached_btype(tp) + layout, cname = self._struct_pending_verification.pop(tp) + check(layout[0], ffi.sizeof(BStruct), "wrong total size") + check(layout[1], ffi.alignof(BStruct), "wrong total alignment") + i = 2 + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + check(layout[i], ffi.offsetof(BStruct, fname), + "wrong offset for field %r" % (fname,)) + if layout[i+1] != 0: + BField = ffi._get_cached_btype(ftype) + check(layout[i+1], ffi.sizeof(BField), + "wrong size for field %r" % (fname,)) + i += 2 + assert i == len(layout) + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + _generate_cpy_anonymous_collecttype = _generate_nothing + + def _generate_cpy_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_cpy_enum_decl(tp, name, '') + else: + self._generate_struct_or_union_decl(tp, '', name) + + def _generate_cpy_anonymous_method(self, tp, name): + if not isinstance(tp, model.EnumType): + self._generate_struct_or_union_method(tp, '', name) + + def _loading_cpy_anonymous(self, tp, name, module): + if isinstance(tp, model.EnumType): + self._loading_cpy_enum(tp, name, module) + else: + self._loading_struct_or_union(tp, '', name, module) + + def _loaded_cpy_anonymous(self, tp, name, module, **kwds): + if isinstance(tp, model.EnumType): + self._loaded_cpy_enum(tp, name, module, **kwds) + else: + self._loaded_struct_or_union(tp) + + # ---------- + # constants, likely declared with '#define' + + def _generate_cpy_const(self, is_int, name, tp=None, category='const', + vartp=None, delayed=True, size_too=False, + check_value=None): + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + prnt('static int %s(PyObject *lib)' % funcname) + prnt('{') + prnt(' PyObject *o;') + prnt(' int res;') + if not is_int: + prnt(' %s;' % (vartp or tp).get_c_name(' i', name)) + else: + assert category == 'const' + # + if check_value is not None: + self._check_int_constant_value(name, check_value) + # + if not is_int: + if category == 'var': + realexpr = '&' + name + else: + realexpr = name + prnt(' i = (%s);' % (realexpr,)) + prnt(' o = %s;' % (self._convert_expr_from_c(tp, 'i', + 'variable type'),)) + assert delayed + else: + prnt(' o = _cffi_from_c_int_const(%s);' % name) + prnt(' if (o == NULL)') + prnt(' return -1;') + if size_too: + prnt(' {') + prnt(' PyObject *o1 = o;') + prnt(' o = Py_BuildValue("On", o1, (Py_ssize_t)sizeof(%s));' + % (name,)) + prnt(' Py_DECREF(o1);') + prnt(' if (o == NULL)') + prnt(' return -1;') + prnt(' }') + prnt(' res = PyObject_SetAttrString(lib, "%s", o);' % name) + prnt(' Py_DECREF(o);') + prnt(' if (res < 0)') + prnt(' return -1;') + prnt(' return %s;' % self._chained_list_constants[delayed]) + self._chained_list_constants[delayed] = funcname + '(lib)' + prnt('}') + prnt() + + def _generate_cpy_constant_collecttype(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + if not is_int: + self._do_collect_type(tp) + + def _generate_cpy_constant_decl(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + self._generate_cpy_const(is_int, name, tp) + + _generate_cpy_constant_method = _generate_nothing + _loading_cpy_constant = _loaded_noop + _loaded_cpy_constant = _loaded_noop + + # ---------- + # enums + + def _check_int_constant_value(self, name, value, err_prefix=''): + prnt = self._prnt + if value <= 0: + prnt(' if ((%s) > 0 || (long)(%s) != %dL) {' % ( + name, name, value)) + else: + prnt(' if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {' % ( + name, name, value)) + prnt(' char buf[64];') + prnt(' if ((%s) <= 0)' % name) + prnt(' snprintf(buf, 63, "%%ld", (long)(%s));' % name) + prnt(' else') + prnt(' snprintf(buf, 63, "%%lu", (unsigned long)(%s));' % + name) + prnt(' PyErr_Format(_cffi_VerificationError,') + prnt(' "%s%s has the real value %s, not %s",') + prnt(' "%s", "%s", buf, "%d");' % ( + err_prefix, name, value)) + prnt(' return -1;') + prnt(' }') + + def _enum_funcname(self, prefix, name): + # "$enum_$1" => "___D_enum____D_1" + name = name.replace('$', '___D_') + return '_cffi_e_%s_%s' % (prefix, name) + + def _generate_cpy_enum_decl(self, tp, name, prefix='enum'): + if tp.partial: + for enumerator in tp.enumerators: + self._generate_cpy_const(True, enumerator, delayed=False) + return + # + funcname = self._enum_funcname(prefix, name) + prnt = self._prnt + prnt('static int %s(PyObject *lib)' % funcname) + prnt('{') + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._check_int_constant_value(enumerator, enumvalue, + "enum %s: " % name) + prnt(' return %s;' % self._chained_list_constants[True]) + self._chained_list_constants[True] = funcname + '(lib)' + prnt('}') + prnt() + + _generate_cpy_enum_collecttype = _generate_nothing + _generate_cpy_enum_method = _generate_nothing + + def _loading_cpy_enum(self, tp, name, module): + if tp.partial: + enumvalues = [getattr(module, enumerator) + for enumerator in tp.enumerators] + tp.enumvalues = tuple(enumvalues) + tp.partial_resolved = True + + def _loaded_cpy_enum(self, tp, name, module, library): + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + setattr(library, enumerator, enumvalue) + + # ---------- + # macros: for now only for integers + + def _generate_cpy_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_cpy_const(True, name, check_value=check_value) + + _generate_cpy_macro_collecttype = _generate_nothing + _generate_cpy_macro_method = _generate_nothing + _loading_cpy_macro = _loaded_noop + _loaded_cpy_macro = _loaded_noop + + # ---------- + # global variables + + def _generate_cpy_variable_collecttype(self, tp, name): + if isinstance(tp, model.ArrayType): + tp_ptr = model.PointerType(tp.item) + else: + tp_ptr = model.PointerType(tp) + self._do_collect_type(tp_ptr) + + def _generate_cpy_variable_decl(self, tp, name): + if isinstance(tp, model.ArrayType): + tp_ptr = model.PointerType(tp.item) + self._generate_cpy_const(False, name, tp, vartp=tp_ptr, + size_too = tp.length_is_unknown()) + else: + tp_ptr = model.PointerType(tp) + self._generate_cpy_const(False, name, tp_ptr, category='var') + + _generate_cpy_variable_method = _generate_nothing + _loading_cpy_variable = _loaded_noop + + def _loaded_cpy_variable(self, tp, name, module, library): + value = getattr(library, name) + if isinstance(tp, model.ArrayType): # int a[5] is "constant" in the + # sense that "a=..." is forbidden + if tp.length_is_unknown(): + assert isinstance(value, tuple) + (value, size) = value + BItemType = self.ffi._get_cached_btype(tp.item) + length, rest = divmod(size, self.ffi.sizeof(BItemType)) + if rest != 0: + raise VerificationError( + "bad size: %r does not seem to be an array of %s" % + (name, tp.item)) + tp = tp.resolve_length(length) + # 'value' is a which we have to replace with + # a if the N is actually known + if tp.length is not None: + BArray = self.ffi._get_cached_btype(tp) + value = self.ffi.cast(BArray, value) + setattr(library, name, value) + return + # remove ptr= from the library instance, and replace + # it by a property on the class, which reads/writes into ptr[0]. + ptr = value + delattr(library, name) + def getter(library): + return ptr[0] + def setter(library, value): + ptr[0] = value + setattr(type(library), name, property(getter, setter)) + type(library)._cffi_dir.append(name) + + # ---------- + + def _generate_setup_custom(self): + prnt = self._prnt + prnt('static int _cffi_setup_custom(PyObject *lib)') + prnt('{') + prnt(' return %s;' % self._chained_list_constants[True]) + prnt('}') + +cffimod_header = r''' +#include +#include + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +#endif + +#if PY_MAJOR_VERSION < 3 +# undef PyCapsule_CheckExact +# undef PyCapsule_GetPointer +# define PyCapsule_CheckExact(capsule) (PyCObject_Check(capsule)) +# define PyCapsule_GetPointer(capsule, name) \ + (PyCObject_AsVoidPtr(capsule)) +#endif + +#if PY_MAJOR_VERSION >= 3 +# define PyInt_FromLong PyLong_FromLong +#endif + +#define _cffi_from_c_double PyFloat_FromDouble +#define _cffi_from_c_float PyFloat_FromDouble +#define _cffi_from_c_long PyInt_FromLong +#define _cffi_from_c_ulong PyLong_FromUnsignedLong +#define _cffi_from_c_longlong PyLong_FromLongLong +#define _cffi_from_c_ulonglong PyLong_FromUnsignedLongLong +#define _cffi_from_c__Bool PyBool_FromLong + +#define _cffi_to_c_double PyFloat_AsDouble +#define _cffi_to_c_float PyFloat_AsDouble + +#define _cffi_from_c_int_const(x) \ + (((x) > 0) ? \ + ((unsigned long long)(x) <= (unsigned long long)LONG_MAX) ? \ + PyInt_FromLong((long)(x)) : \ + PyLong_FromUnsignedLongLong((unsigned long long)(x)) : \ + ((long long)(x) >= (long long)LONG_MIN) ? \ + PyInt_FromLong((long)(x)) : \ + PyLong_FromLongLong((long long)(x))) + +#define _cffi_from_c_int(x, type) \ + (((type)-1) > 0 ? /* unsigned */ \ + (sizeof(type) < sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + sizeof(type) == sizeof(long) ? \ + PyLong_FromUnsignedLong((unsigned long)x) : \ + PyLong_FromUnsignedLongLong((unsigned long long)x)) : \ + (sizeof(type) <= sizeof(long) ? \ + PyInt_FromLong((long)x) : \ + PyLong_FromLongLong((long long)x))) + +#define _cffi_to_c_int(o, type) \ + ((type)( \ + sizeof(type) == 1 ? (((type)-1) > 0 ? (type)_cffi_to_c_u8(o) \ + : (type)_cffi_to_c_i8(o)) : \ + sizeof(type) == 2 ? (((type)-1) > 0 ? (type)_cffi_to_c_u16(o) \ + : (type)_cffi_to_c_i16(o)) : \ + sizeof(type) == 4 ? (((type)-1) > 0 ? (type)_cffi_to_c_u32(o) \ + : (type)_cffi_to_c_i32(o)) : \ + sizeof(type) == 8 ? (((type)-1) > 0 ? (type)_cffi_to_c_u64(o) \ + : (type)_cffi_to_c_i64(o)) : \ + (Py_FatalError("unsupported size for type " #type), (type)0))) + +#define _cffi_to_c_i8 \ + ((int(*)(PyObject *))_cffi_exports[1]) +#define _cffi_to_c_u8 \ + ((int(*)(PyObject *))_cffi_exports[2]) +#define _cffi_to_c_i16 \ + ((int(*)(PyObject *))_cffi_exports[3]) +#define _cffi_to_c_u16 \ + ((int(*)(PyObject *))_cffi_exports[4]) +#define _cffi_to_c_i32 \ + ((int(*)(PyObject *))_cffi_exports[5]) +#define _cffi_to_c_u32 \ + ((unsigned int(*)(PyObject *))_cffi_exports[6]) +#define _cffi_to_c_i64 \ + ((long long(*)(PyObject *))_cffi_exports[7]) +#define _cffi_to_c_u64 \ + ((unsigned long long(*)(PyObject *))_cffi_exports[8]) +#define _cffi_to_c_char \ + ((int(*)(PyObject *))_cffi_exports[9]) +#define _cffi_from_c_pointer \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[10]) +#define _cffi_to_c_pointer \ + ((char *(*)(PyObject *, CTypeDescrObject *))_cffi_exports[11]) +#define _cffi_get_struct_layout \ + ((PyObject *(*)(Py_ssize_t[]))_cffi_exports[12]) +#define _cffi_restore_errno \ + ((void(*)(void))_cffi_exports[13]) +#define _cffi_save_errno \ + ((void(*)(void))_cffi_exports[14]) +#define _cffi_from_c_char \ + ((PyObject *(*)(char))_cffi_exports[15]) +#define _cffi_from_c_deref \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[16]) +#define _cffi_to_c \ + ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[17]) +#define _cffi_from_c_struct \ + ((PyObject *(*)(char *, CTypeDescrObject *))_cffi_exports[18]) +#define _cffi_to_c_wchar_t \ + ((wchar_t(*)(PyObject *))_cffi_exports[19]) +#define _cffi_from_c_wchar_t \ + ((PyObject *(*)(wchar_t))_cffi_exports[20]) +#define _cffi_to_c_long_double \ + ((long double(*)(PyObject *))_cffi_exports[21]) +#define _cffi_to_c__Bool \ + ((_Bool(*)(PyObject *))_cffi_exports[22]) +#define _cffi_prepare_pointer_call_argument \ + ((Py_ssize_t(*)(CTypeDescrObject *, PyObject *, char **))_cffi_exports[23]) +#define _cffi_convert_array_from_object \ + ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[24]) +#define _CFFI_NUM_EXPORTS 25 + +typedef struct _ctypedescr CTypeDescrObject; + +static void *_cffi_exports[_CFFI_NUM_EXPORTS]; +static PyObject *_cffi_types, *_cffi_VerificationError; + +static int _cffi_setup_custom(PyObject *lib); /* forward */ + +static PyObject *_cffi_setup(PyObject *self, PyObject *args) +{ + PyObject *library; + int was_alive = (_cffi_types != NULL); + (void)self; /* unused */ + if (!PyArg_ParseTuple(args, "OOO", &_cffi_types, &_cffi_VerificationError, + &library)) + return NULL; + Py_INCREF(_cffi_types); + Py_INCREF(_cffi_VerificationError); + if (_cffi_setup_custom(library) < 0) + return NULL; + return PyBool_FromLong(was_alive); +} + +union _cffi_union_alignment_u { + unsigned char m_char; + unsigned short m_short; + unsigned int m_int; + unsigned long m_long; + unsigned long long m_longlong; + float m_float; + double m_double; + long double m_longdouble; +}; + +struct _cffi_freeme_s { + struct _cffi_freeme_s *next; + union _cffi_union_alignment_u alignment; +}; + +#ifdef __GNUC__ + __attribute__((unused)) +#endif +static int _cffi_convert_array_argument(CTypeDescrObject *ctptr, PyObject *arg, + char **output_data, Py_ssize_t datasize, + struct _cffi_freeme_s **freeme) +{ + char *p; + if (datasize < 0) + return -1; + + p = *output_data; + if (p == NULL) { + struct _cffi_freeme_s *fp = (struct _cffi_freeme_s *)PyObject_Malloc( + offsetof(struct _cffi_freeme_s, alignment) + (size_t)datasize); + if (fp == NULL) + return -1; + fp->next = *freeme; + *freeme = fp; + p = *output_data = (char *)&fp->alignment; + } + memset((void *)p, 0, (size_t)datasize); + return _cffi_convert_array_from_object(p, ctptr, arg); +} + +#ifdef __GNUC__ + __attribute__((unused)) +#endif +static void _cffi_free_array_arguments(struct _cffi_freeme_s *freeme) +{ + do { + void *p = (void *)freeme; + freeme = freeme->next; + PyObject_Free(p); + } while (freeme != NULL); +} + +static int _cffi_init(void) +{ + PyObject *module, *c_api_object = NULL; + + module = PyImport_ImportModule("_cffi_backend"); + if (module == NULL) + goto failure; + + c_api_object = PyObject_GetAttrString(module, "_C_API"); + if (c_api_object == NULL) + goto failure; + if (!PyCapsule_CheckExact(c_api_object)) { + PyErr_SetNone(PyExc_ImportError); + goto failure; + } + memcpy(_cffi_exports, PyCapsule_GetPointer(c_api_object, "cffi"), + _CFFI_NUM_EXPORTS * sizeof(void *)); + + Py_DECREF(module); + Py_DECREF(c_api_object); + return 0; + + failure: + Py_XDECREF(module); + Py_XDECREF(c_api_object); + return -1; +} + +#define _cffi_type(num) ((CTypeDescrObject *)PyList_GET_ITEM(_cffi_types, num)) + +/**********/ +''' diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_gen.py b/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_gen.py new file mode 100644 index 0000000..2642152 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/vengine_gen.py @@ -0,0 +1,675 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys, os +import types + +from . import model +from .error import VerificationError + + +class VGenericEngine(object): + _class_key = 'g' + _gen_python_module = False + + def __init__(self, verifier): + self.verifier = verifier + self.ffi = verifier.ffi + self.export_symbols = [] + self._struct_pending_verification = {} + + def patch_extension_kwds(self, kwds): + # add 'export_symbols' to the dictionary. Note that we add the + # list before filling it. When we fill it, it will thus also show + # up in kwds['export_symbols']. + kwds.setdefault('export_symbols', self.export_symbols) + + def find_module(self, module_name, path, so_suffixes): + for so_suffix in so_suffixes: + basename = module_name + so_suffix + if path is None: + path = sys.path + for dirname in path: + filename = os.path.join(dirname, basename) + if os.path.isfile(filename): + return filename + + def collect_types(self): + pass # not needed in the generic engine + + def _prnt(self, what=''): + self._f.write(what + '\n') + + def write_source_to_f(self): + prnt = self._prnt + # first paste some standard set of lines that are mostly '#include' + prnt(cffimod_header) + # then paste the C source given by the user, verbatim. + prnt(self.verifier.preamble) + # + # call generate_gen_xxx_decl(), for every xxx found from + # ffi._parser._declarations. This generates all the functions. + self._generate('decl') + # + # on Windows, distutils insists on putting init_cffi_xyz in + # 'export_symbols', so instead of fighting it, just give up and + # give it one + if sys.platform == 'win32': + if sys.version_info >= (3,): + prefix = 'PyInit_' + else: + prefix = 'init' + modname = self.verifier.get_module_name() + prnt("void %s%s(void) { }\n" % (prefix, modname)) + + def load_library(self, flags=0): + # import it with the CFFI backend + backend = self.ffi._backend + # needs to make a path that contains '/', on Posix + filename = os.path.join(os.curdir, self.verifier.modulefilename) + module = backend.load_library(filename, flags) + # + # call loading_gen_struct() to get the struct layout inferred by + # the C compiler + self._load(module, 'loading') + + # build the FFILibrary class and instance, this is a module subclass + # because modules are expected to have usually-constant-attributes and + # in PyPy this means the JIT is able to treat attributes as constant, + # which we want. + class FFILibrary(types.ModuleType): + _cffi_generic_module = module + _cffi_ffi = self.ffi + _cffi_dir = [] + def __dir__(self): + return FFILibrary._cffi_dir + library = FFILibrary("") + # + # finally, call the loaded_gen_xxx() functions. This will set + # up the 'library' object. + self._load(module, 'loaded', library=library) + return library + + def _get_declarations(self): + lst = [(key, tp) for (key, (tp, qual)) in + self.ffi._parser._declarations.items()] + lst.sort() + return lst + + def _generate(self, step_name): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + try: + method = getattr(self, '_generate_gen_%s_%s' % (kind, + step_name)) + except AttributeError: + raise VerificationError( + "not implemented in verify(): %r" % name) + try: + method(tp, realname) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _load(self, module, step_name, **kwds): + for name, tp in self._get_declarations(): + kind, realname = name.split(' ', 1) + method = getattr(self, '_%s_gen_%s' % (step_name, kind)) + try: + method(tp, realname, module, **kwds) + except Exception as e: + model.attach_exception_info(e, name) + raise + + def _generate_nothing(self, tp, name): + pass + + def _loaded_noop(self, tp, name, module, **kwds): + pass + + # ---------- + # typedefs: generates no code so far + + _generate_gen_typedef_decl = _generate_nothing + _loading_gen_typedef = _loaded_noop + _loaded_gen_typedef = _loaded_noop + + # ---------- + # function declarations + + def _generate_gen_function_decl(self, tp, name): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + # cannot support vararg functions better than this: check for its + # exact type (including the fixed arguments), and build it as a + # constant function pointer (no _cffi_f_%s wrapper) + self._generate_gen_const(False, name, tp) + return + prnt = self._prnt + numargs = len(tp.args) + argnames = [] + for i, type in enumerate(tp.args): + indirection = '' + if isinstance(type, model.StructOrUnion): + indirection = '*' + argnames.append('%sx%d' % (indirection, i)) + context = 'argument of %s' % name + arglist = [type.get_c_name(' %s' % arg, context) + for type, arg in zip(tp.args, argnames)] + tpresult = tp.result + if isinstance(tpresult, model.StructOrUnion): + arglist.insert(0, tpresult.get_c_name(' *r', context)) + tpresult = model.void_type + arglist = ', '.join(arglist) or 'void' + wrappername = '_cffi_f_%s' % name + self.export_symbols.append(wrappername) + if tp.abi: + abi = tp.abi + ' ' + else: + abi = '' + funcdecl = ' %s%s(%s)' % (abi, wrappername, arglist) + context = 'result of %s' % name + prnt(tpresult.get_c_name(funcdecl, context)) + prnt('{') + # + if isinstance(tp.result, model.StructOrUnion): + result_code = '*r = ' + elif not isinstance(tp.result, model.VoidType): + result_code = 'return ' + else: + result_code = '' + prnt(' %s%s(%s);' % (result_code, name, ', '.join(argnames))) + prnt('}') + prnt() + + _loading_gen_function = _loaded_noop + + def _loaded_gen_function(self, tp, name, module, library): + assert isinstance(tp, model.FunctionPtrType) + if tp.ellipsis: + newfunction = self._load_constant(False, tp, name, module) + else: + indirections = [] + base_tp = tp + if (any(isinstance(typ, model.StructOrUnion) for typ in tp.args) + or isinstance(tp.result, model.StructOrUnion)): + indirect_args = [] + for i, typ in enumerate(tp.args): + if isinstance(typ, model.StructOrUnion): + typ = model.PointerType(typ) + indirections.append((i, typ)) + indirect_args.append(typ) + indirect_result = tp.result + if isinstance(indirect_result, model.StructOrUnion): + if indirect_result.fldtypes is None: + raise TypeError("'%s' is used as result type, " + "but is opaque" % ( + indirect_result._get_c_name(),)) + indirect_result = model.PointerType(indirect_result) + indirect_args.insert(0, indirect_result) + indirections.insert(0, ("result", indirect_result)) + indirect_result = model.void_type + tp = model.FunctionPtrType(tuple(indirect_args), + indirect_result, tp.ellipsis) + BFunc = self.ffi._get_cached_btype(tp) + wrappername = '_cffi_f_%s' % name + newfunction = module.load_function(BFunc, wrappername) + for i, typ in indirections: + newfunction = self._make_struct_wrapper(newfunction, i, typ, + base_tp) + setattr(library, name, newfunction) + type(library)._cffi_dir.append(name) + + def _make_struct_wrapper(self, oldfunc, i, tp, base_tp): + backend = self.ffi._backend + BType = self.ffi._get_cached_btype(tp) + if i == "result": + ffi = self.ffi + def newfunc(*args): + res = ffi.new(BType) + oldfunc(res, *args) + return res[0] + else: + def newfunc(*args): + args = args[:i] + (backend.newp(BType, args[i]),) + args[i+1:] + return oldfunc(*args) + newfunc._cffi_base_type = base_tp + return newfunc + + # ---------- + # named structs + + def _generate_gen_struct_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'struct', name) + + def _loading_gen_struct(self, tp, name, module): + self._loading_struct_or_union(tp, 'struct', name, module) + + def _loaded_gen_struct(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_gen_union_decl(self, tp, name): + assert name == tp.name + self._generate_struct_or_union_decl(tp, 'union', name) + + def _loading_gen_union(self, tp, name, module): + self._loading_struct_or_union(tp, 'union', name, module) + + def _loaded_gen_union(self, tp, name, module, **kwds): + self._loaded_struct_or_union(tp) + + def _generate_struct_or_union_decl(self, tp, prefix, name): + if tp.fldnames is None: + return # nothing to do with opaque structs + checkfuncname = '_cffi_check_%s_%s' % (prefix, name) + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + cname = ('%s %s' % (prefix, name)).strip() + # + prnt = self._prnt + prnt('static void %s(%s *p)' % (checkfuncname, cname)) + prnt('{') + prnt(' /* only to generate compile-time warnings or errors */') + prnt(' (void)p;') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if (isinstance(ftype, model.PrimitiveType) + and ftype.is_integer_type()) or fbitsize >= 0: + # accept all integers, but complain on float or double + prnt(' (void)((p->%s) << 1);' % fname) + else: + # only accept exactly the type declared. + try: + prnt(' { %s = &p->%s; (void)tmp; }' % ( + ftype.get_c_name('*tmp', 'field %r'%fname, quals=fqual), + fname)) + except VerificationError as e: + prnt(' /* %s */' % str(e)) # cannot verify it, ignore + prnt('}') + self.export_symbols.append(layoutfuncname) + prnt('intptr_t %s(intptr_t i)' % (layoutfuncname,)) + prnt('{') + prnt(' struct _cffi_aligncheck { char x; %s y; };' % cname) + prnt(' static intptr_t nums[] = {') + prnt(' sizeof(%s),' % cname) + prnt(' offsetof(struct _cffi_aligncheck, y),') + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + prnt(' offsetof(%s, %s),' % (cname, fname)) + if isinstance(ftype, model.ArrayType) and ftype.length is None: + prnt(' 0, /* %s */' % ftype._get_c_name()) + else: + prnt(' sizeof(((%s *)0)->%s),' % (cname, fname)) + prnt(' -1') + prnt(' };') + prnt(' return nums[i];') + prnt(' /* the next line is not executed, but compiled */') + prnt(' %s(0);' % (checkfuncname,)) + prnt('}') + prnt() + + def _loading_struct_or_union(self, tp, prefix, name, module): + if tp.fldnames is None: + return # nothing to do with opaque structs + layoutfuncname = '_cffi_layout_%s_%s' % (prefix, name) + # + BFunc = self.ffi._typeof_locked("intptr_t(*)(intptr_t)")[0] + function = module.load_function(BFunc, layoutfuncname) + layout = [] + num = 0 + while True: + x = function(num) + if x < 0: break + layout.append(x) + num += 1 + if isinstance(tp, model.StructOrUnion) and tp.partial: + # use the function()'s sizes and offsets to guide the + # layout of the struct + totalsize = layout[0] + totalalignment = layout[1] + fieldofs = layout[2::2] + fieldsize = layout[3::2] + tp.force_flatten() + assert len(fieldofs) == len(fieldsize) == len(tp.fldnames) + tp.fixedlayout = fieldofs, fieldsize, totalsize, totalalignment + else: + cname = ('%s %s' % (prefix, name)).strip() + self._struct_pending_verification[tp] = layout, cname + + def _loaded_struct_or_union(self, tp): + if tp.fldnames is None: + return # nothing to do with opaque structs + self.ffi._get_cached_btype(tp) # force 'fixedlayout' to be considered + + if tp in self._struct_pending_verification: + # check that the layout sizes and offsets match the real ones + def check(realvalue, expectedvalue, msg): + if realvalue != expectedvalue: + raise VerificationError( + "%s (we have %d, but C compiler says %d)" + % (msg, expectedvalue, realvalue)) + ffi = self.ffi + BStruct = ffi._get_cached_btype(tp) + layout, cname = self._struct_pending_verification.pop(tp) + check(layout[0], ffi.sizeof(BStruct), "wrong total size") + check(layout[1], ffi.alignof(BStruct), "wrong total alignment") + i = 2 + for fname, ftype, fbitsize, fqual in tp.enumfields(): + if fbitsize >= 0: + continue # xxx ignore fbitsize for now + check(layout[i], ffi.offsetof(BStruct, fname), + "wrong offset for field %r" % (fname,)) + if layout[i+1] != 0: + BField = ffi._get_cached_btype(ftype) + check(layout[i+1], ffi.sizeof(BField), + "wrong size for field %r" % (fname,)) + i += 2 + assert i == len(layout) + + # ---------- + # 'anonymous' declarations. These are produced for anonymous structs + # or unions; the 'name' is obtained by a typedef. + + def _generate_gen_anonymous_decl(self, tp, name): + if isinstance(tp, model.EnumType): + self._generate_gen_enum_decl(tp, name, '') + else: + self._generate_struct_or_union_decl(tp, '', name) + + def _loading_gen_anonymous(self, tp, name, module): + if isinstance(tp, model.EnumType): + self._loading_gen_enum(tp, name, module, '') + else: + self._loading_struct_or_union(tp, '', name, module) + + def _loaded_gen_anonymous(self, tp, name, module, **kwds): + if isinstance(tp, model.EnumType): + self._loaded_gen_enum(tp, name, module, **kwds) + else: + self._loaded_struct_or_union(tp) + + # ---------- + # constants, likely declared with '#define' + + def _generate_gen_const(self, is_int, name, tp=None, category='const', + check_value=None): + prnt = self._prnt + funcname = '_cffi_%s_%s' % (category, name) + self.export_symbols.append(funcname) + if check_value is not None: + assert is_int + assert category == 'const' + prnt('int %s(char *out_error)' % funcname) + prnt('{') + self._check_int_constant_value(name, check_value) + prnt(' return 0;') + prnt('}') + elif is_int: + assert category == 'const' + prnt('int %s(long long *out_value)' % funcname) + prnt('{') + prnt(' *out_value = (long long)(%s);' % (name,)) + prnt(' return (%s) <= 0;' % (name,)) + prnt('}') + else: + assert tp is not None + assert check_value is None + if category == 'var': + ampersand = '&' + else: + ampersand = '' + extra = '' + if category == 'const' and isinstance(tp, model.StructOrUnion): + extra = 'const *' + ampersand = '&' + prnt(tp.get_c_name(' %s%s(void)' % (extra, funcname), name)) + prnt('{') + prnt(' return (%s%s);' % (ampersand, name)) + prnt('}') + prnt() + + def _generate_gen_constant_decl(self, tp, name): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + self._generate_gen_const(is_int, name, tp) + + _loading_gen_constant = _loaded_noop + + def _load_constant(self, is_int, tp, name, module, check_value=None): + funcname = '_cffi_const_%s' % name + if check_value is not None: + assert is_int + self._load_known_int_constant(module, funcname) + value = check_value + elif is_int: + BType = self.ffi._typeof_locked("long long*")[0] + BFunc = self.ffi._typeof_locked("int(*)(long long*)")[0] + function = module.load_function(BFunc, funcname) + p = self.ffi.new(BType) + negative = function(p) + value = int(p[0]) + if value < 0 and not negative: + BLongLong = self.ffi._typeof_locked("long long")[0] + value += (1 << (8*self.ffi.sizeof(BLongLong))) + else: + assert check_value is None + fntypeextra = '(*)(void)' + if isinstance(tp, model.StructOrUnion): + fntypeextra = '*' + fntypeextra + BFunc = self.ffi._typeof_locked(tp.get_c_name(fntypeextra, name))[0] + function = module.load_function(BFunc, funcname) + value = function() + if isinstance(tp, model.StructOrUnion): + value = value[0] + return value + + def _loaded_gen_constant(self, tp, name, module, library): + is_int = isinstance(tp, model.PrimitiveType) and tp.is_integer_type() + value = self._load_constant(is_int, tp, name, module) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + + # ---------- + # enums + + def _check_int_constant_value(self, name, value): + prnt = self._prnt + if value <= 0: + prnt(' if ((%s) > 0 || (long)(%s) != %dL) {' % ( + name, name, value)) + else: + prnt(' if ((%s) <= 0 || (unsigned long)(%s) != %dUL) {' % ( + name, name, value)) + prnt(' char buf[64];') + prnt(' if ((%s) <= 0)' % name) + prnt(' sprintf(buf, "%%ld", (long)(%s));' % name) + prnt(' else') + prnt(' sprintf(buf, "%%lu", (unsigned long)(%s));' % + name) + prnt(' sprintf(out_error, "%s has the real value %s, not %s",') + prnt(' "%s", buf, "%d");' % (name[:100], value)) + prnt(' return -1;') + prnt(' }') + + def _load_known_int_constant(self, module, funcname): + BType = self.ffi._typeof_locked("char[]")[0] + BFunc = self.ffi._typeof_locked("int(*)(char*)")[0] + function = module.load_function(BFunc, funcname) + p = self.ffi.new(BType, 256) + if function(p) < 0: + error = self.ffi.string(p) + if sys.version_info >= (3,): + error = str(error, 'utf-8') + raise VerificationError(error) + + def _enum_funcname(self, prefix, name): + # "$enum_$1" => "___D_enum____D_1" + name = name.replace('$', '___D_') + return '_cffi_e_%s_%s' % (prefix, name) + + def _generate_gen_enum_decl(self, tp, name, prefix='enum'): + if tp.partial: + for enumerator in tp.enumerators: + self._generate_gen_const(True, enumerator) + return + # + funcname = self._enum_funcname(prefix, name) + self.export_symbols.append(funcname) + prnt = self._prnt + prnt('int %s(char *out_error)' % funcname) + prnt('{') + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + self._check_int_constant_value(enumerator, enumvalue) + prnt(' return 0;') + prnt('}') + prnt() + + def _loading_gen_enum(self, tp, name, module, prefix='enum'): + if tp.partial: + enumvalues = [self._load_constant(True, tp, enumerator, module) + for enumerator in tp.enumerators] + tp.enumvalues = tuple(enumvalues) + tp.partial_resolved = True + else: + funcname = self._enum_funcname(prefix, name) + self._load_known_int_constant(module, funcname) + + def _loaded_gen_enum(self, tp, name, module, library): + for enumerator, enumvalue in zip(tp.enumerators, tp.enumvalues): + setattr(library, enumerator, enumvalue) + type(library)._cffi_dir.append(enumerator) + + # ---------- + # macros: for now only for integers + + def _generate_gen_macro_decl(self, tp, name): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + self._generate_gen_const(True, name, check_value=check_value) + + _loading_gen_macro = _loaded_noop + + def _loaded_gen_macro(self, tp, name, module, library): + if tp == '...': + check_value = None + else: + check_value = tp # an integer + value = self._load_constant(True, tp, name, module, + check_value=check_value) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + + # ---------- + # global variables + + def _generate_gen_variable_decl(self, tp, name): + if isinstance(tp, model.ArrayType): + if tp.length_is_unknown(): + prnt = self._prnt + funcname = '_cffi_sizeof_%s' % (name,) + self.export_symbols.append(funcname) + prnt("size_t %s(void)" % funcname) + prnt("{") + prnt(" return sizeof(%s);" % (name,)) + prnt("}") + tp_ptr = model.PointerType(tp.item) + self._generate_gen_const(False, name, tp_ptr) + else: + tp_ptr = model.PointerType(tp) + self._generate_gen_const(False, name, tp_ptr, category='var') + + _loading_gen_variable = _loaded_noop + + def _loaded_gen_variable(self, tp, name, module, library): + if isinstance(tp, model.ArrayType): # int a[5] is "constant" in the + # sense that "a=..." is forbidden + if tp.length_is_unknown(): + funcname = '_cffi_sizeof_%s' % (name,) + BFunc = self.ffi._typeof_locked('size_t(*)(void)')[0] + function = module.load_function(BFunc, funcname) + size = function() + BItemType = self.ffi._get_cached_btype(tp.item) + length, rest = divmod(size, self.ffi.sizeof(BItemType)) + if rest != 0: + raise VerificationError( + "bad size: %r does not seem to be an array of %s" % + (name, tp.item)) + tp = tp.resolve_length(length) + tp_ptr = model.PointerType(tp.item) + value = self._load_constant(False, tp_ptr, name, module) + # 'value' is a which we have to replace with + # a if the N is actually known + if tp.length is not None: + BArray = self.ffi._get_cached_btype(tp) + value = self.ffi.cast(BArray, value) + setattr(library, name, value) + type(library)._cffi_dir.append(name) + return + # remove ptr= from the library instance, and replace + # it by a property on the class, which reads/writes into ptr[0]. + funcname = '_cffi_var_%s' % name + BFunc = self.ffi._typeof_locked(tp.get_c_name('*(*)(void)', name))[0] + function = module.load_function(BFunc, funcname) + ptr = function() + def getter(library): + return ptr[0] + def setter(library, value): + ptr[0] = value + setattr(type(library), name, property(getter, setter)) + type(library)._cffi_dir.append(name) + +cffimod_header = r''' +#include +#include +#include +#include +#include /* XXX for ssize_t on some platforms */ + +/* this block of #ifs should be kept exactly identical between + c/_cffi_backend.c, cffi/vengine_cpy.py, cffi/vengine_gen.py + and cffi/_cffi_include.h */ +#if defined(_MSC_VER) +# include /* for alloca() */ +# if _MSC_VER < 1600 /* MSVC < 2010 */ + typedef __int8 int8_t; + typedef __int16 int16_t; + typedef __int32 int32_t; + typedef __int64 int64_t; + typedef unsigned __int8 uint8_t; + typedef unsigned __int16 uint16_t; + typedef unsigned __int32 uint32_t; + typedef unsigned __int64 uint64_t; + typedef __int8 int_least8_t; + typedef __int16 int_least16_t; + typedef __int32 int_least32_t; + typedef __int64 int_least64_t; + typedef unsigned __int8 uint_least8_t; + typedef unsigned __int16 uint_least16_t; + typedef unsigned __int32 uint_least32_t; + typedef unsigned __int64 uint_least64_t; + typedef __int8 int_fast8_t; + typedef __int16 int_fast16_t; + typedef __int32 int_fast32_t; + typedef __int64 int_fast64_t; + typedef unsigned __int8 uint_fast8_t; + typedef unsigned __int16 uint_fast16_t; + typedef unsigned __int32 uint_fast32_t; + typedef unsigned __int64 uint_fast64_t; + typedef __int64 intmax_t; + typedef unsigned __int64 uintmax_t; +# else +# include +# endif +# if _MSC_VER < 1800 /* MSVC < 2013 */ +# ifndef __cplusplus + typedef unsigned char _Bool; +# endif +# endif +#else +# include +# if (defined (__SVR4) && defined (__sun)) || defined(_AIX) || defined(__hpux) +# include +# endif +#endif +''' diff --git a/backend/mb-env/lib/python3.9/site-packages/cffi/verifier.py b/backend/mb-env/lib/python3.9/site-packages/cffi/verifier.py new file mode 100644 index 0000000..a500c78 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cffi/verifier.py @@ -0,0 +1,307 @@ +# +# DEPRECATED: implementation for ffi.verify() +# +import sys, os, binascii, shutil, io +from . import __version_verifier_modules__ +from . import ffiplatform +from .error import VerificationError + +if sys.version_info >= (3, 3): + import importlib.machinery + def _extension_suffixes(): + return importlib.machinery.EXTENSION_SUFFIXES[:] +else: + import imp + def _extension_suffixes(): + return [suffix for suffix, _, type in imp.get_suffixes() + if type == imp.C_EXTENSION] + + +if sys.version_info >= (3,): + NativeIO = io.StringIO +else: + class NativeIO(io.BytesIO): + def write(self, s): + if isinstance(s, unicode): + s = s.encode('ascii') + super(NativeIO, self).write(s) + + +class Verifier(object): + + def __init__(self, ffi, preamble, tmpdir=None, modulename=None, + ext_package=None, tag='', force_generic_engine=False, + source_extension='.c', flags=None, relative_to=None, **kwds): + if ffi._parser._uses_new_feature: + raise VerificationError( + "feature not supported with ffi.verify(), but only " + "with ffi.set_source(): %s" % (ffi._parser._uses_new_feature,)) + self.ffi = ffi + self.preamble = preamble + if not modulename: + flattened_kwds = ffiplatform.flatten(kwds) + vengine_class = _locate_engine_class(ffi, force_generic_engine) + self._vengine = vengine_class(self) + self._vengine.patch_extension_kwds(kwds) + self.flags = flags + self.kwds = self.make_relative_to(kwds, relative_to) + # + if modulename: + if tag: + raise TypeError("can't specify both 'modulename' and 'tag'") + else: + key = '\x00'.join(['%d.%d' % sys.version_info[:2], + __version_verifier_modules__, + preamble, flattened_kwds] + + ffi._cdefsources) + if sys.version_info >= (3,): + key = key.encode('utf-8') + k1 = hex(binascii.crc32(key[0::2]) & 0xffffffff) + k1 = k1.lstrip('0x').rstrip('L') + k2 = hex(binascii.crc32(key[1::2]) & 0xffffffff) + k2 = k2.lstrip('0').rstrip('L') + modulename = '_cffi_%s_%s%s%s' % (tag, self._vengine._class_key, + k1, k2) + suffix = _get_so_suffixes()[0] + self.tmpdir = tmpdir or _caller_dir_pycache() + self.sourcefilename = os.path.join(self.tmpdir, modulename + source_extension) + self.modulefilename = os.path.join(self.tmpdir, modulename + suffix) + self.ext_package = ext_package + self._has_source = False + self._has_module = False + + def write_source(self, file=None): + """Write the C source code. It is produced in 'self.sourcefilename', + which can be tweaked beforehand.""" + with self.ffi._lock: + if self._has_source and file is None: + raise VerificationError( + "source code already written") + self._write_source(file) + + def compile_module(self): + """Write the C source code (if not done already) and compile it. + This produces a dynamic link library in 'self.modulefilename'.""" + with self.ffi._lock: + if self._has_module: + raise VerificationError("module already compiled") + if not self._has_source: + self._write_source() + self._compile_module() + + def load_library(self): + """Get a C module from this Verifier instance. + Returns an instance of a FFILibrary class that behaves like the + objects returned by ffi.dlopen(), but that delegates all + operations to the C module. If necessary, the C code is written + and compiled first. + """ + with self.ffi._lock: + if not self._has_module: + self._locate_module() + if not self._has_module: + if not self._has_source: + self._write_source() + self._compile_module() + return self._load_library() + + def get_module_name(self): + basename = os.path.basename(self.modulefilename) + # kill both the .so extension and the other .'s, as introduced + # by Python 3: 'basename.cpython-33m.so' + basename = basename.split('.', 1)[0] + # and the _d added in Python 2 debug builds --- but try to be + # conservative and not kill a legitimate _d + if basename.endswith('_d') and hasattr(sys, 'gettotalrefcount'): + basename = basename[:-2] + return basename + + def get_extension(self): + ffiplatform._hack_at_distutils() # backward compatibility hack + if not self._has_source: + with self.ffi._lock: + if not self._has_source: + self._write_source() + sourcename = ffiplatform.maybe_relative_path(self.sourcefilename) + modname = self.get_module_name() + return ffiplatform.get_extension(sourcename, modname, **self.kwds) + + def generates_python_module(self): + return self._vengine._gen_python_module + + def make_relative_to(self, kwds, relative_to): + if relative_to and os.path.dirname(relative_to): + dirname = os.path.dirname(relative_to) + kwds = kwds.copy() + for key in ffiplatform.LIST_OF_FILE_NAMES: + if key in kwds: + lst = kwds[key] + if not isinstance(lst, (list, tuple)): + raise TypeError("keyword '%s' should be a list or tuple" + % (key,)) + lst = [os.path.join(dirname, fn) for fn in lst] + kwds[key] = lst + return kwds + + # ---------- + + def _locate_module(self): + if not os.path.isfile(self.modulefilename): + if self.ext_package: + try: + pkg = __import__(self.ext_package, None, None, ['__doc__']) + except ImportError: + return # cannot import the package itself, give up + # (e.g. it might be called differently before installation) + path = pkg.__path__ + else: + path = None + filename = self._vengine.find_module(self.get_module_name(), path, + _get_so_suffixes()) + if filename is None: + return + self.modulefilename = filename + self._vengine.collect_types() + self._has_module = True + + def _write_source_to(self, file): + self._vengine._f = file + try: + self._vengine.write_source_to_f() + finally: + del self._vengine._f + + def _write_source(self, file=None): + if file is not None: + self._write_source_to(file) + else: + # Write our source file to an in memory file. + f = NativeIO() + self._write_source_to(f) + source_data = f.getvalue() + + # Determine if this matches the current file + if os.path.exists(self.sourcefilename): + with open(self.sourcefilename, "r") as fp: + needs_written = not (fp.read() == source_data) + else: + needs_written = True + + # Actually write the file out if it doesn't match + if needs_written: + _ensure_dir(self.sourcefilename) + with open(self.sourcefilename, "w") as fp: + fp.write(source_data) + + # Set this flag + self._has_source = True + + def _compile_module(self): + # compile this C source + tmpdir = os.path.dirname(self.sourcefilename) + outputfilename = ffiplatform.compile(tmpdir, self.get_extension()) + try: + same = ffiplatform.samefile(outputfilename, self.modulefilename) + except OSError: + same = False + if not same: + _ensure_dir(self.modulefilename) + shutil.move(outputfilename, self.modulefilename) + self._has_module = True + + def _load_library(self): + assert self._has_module + if self.flags is not None: + return self._vengine.load_library(self.flags) + else: + return self._vengine.load_library() + +# ____________________________________________________________ + +_FORCE_GENERIC_ENGINE = False # for tests + +def _locate_engine_class(ffi, force_generic_engine): + if _FORCE_GENERIC_ENGINE: + force_generic_engine = True + if not force_generic_engine: + if '__pypy__' in sys.builtin_module_names: + force_generic_engine = True + else: + try: + import _cffi_backend + except ImportError: + _cffi_backend = '?' + if ffi._backend is not _cffi_backend: + force_generic_engine = True + if force_generic_engine: + from . import vengine_gen + return vengine_gen.VGenericEngine + else: + from . import vengine_cpy + return vengine_cpy.VCPythonEngine + +# ____________________________________________________________ + +_TMPDIR = None + +def _caller_dir_pycache(): + if _TMPDIR: + return _TMPDIR + result = os.environ.get('CFFI_TMPDIR') + if result: + return result + filename = sys._getframe(2).f_code.co_filename + return os.path.abspath(os.path.join(os.path.dirname(filename), + '__pycache__')) + +def set_tmpdir(dirname): + """Set the temporary directory to use instead of __pycache__.""" + global _TMPDIR + _TMPDIR = dirname + +def cleanup_tmpdir(tmpdir=None, keep_so=False): + """Clean up the temporary directory by removing all files in it + called `_cffi_*.{c,so}` as well as the `build` subdirectory.""" + tmpdir = tmpdir or _caller_dir_pycache() + try: + filelist = os.listdir(tmpdir) + except OSError: + return + if keep_so: + suffix = '.c' # only remove .c files + else: + suffix = _get_so_suffixes()[0].lower() + for fn in filelist: + if fn.lower().startswith('_cffi_') and ( + fn.lower().endswith(suffix) or fn.lower().endswith('.c')): + try: + os.unlink(os.path.join(tmpdir, fn)) + except OSError: + pass + clean_dir = [os.path.join(tmpdir, 'build')] + for dir in clean_dir: + try: + for fn in os.listdir(dir): + fn = os.path.join(dir, fn) + if os.path.isdir(fn): + clean_dir.append(fn) + else: + os.unlink(fn) + except OSError: + pass + +def _get_so_suffixes(): + suffixes = _extension_suffixes() + if not suffixes: + # bah, no C_EXTENSION available. Occurs on pypy without cpyext + if sys.platform == 'win32': + suffixes = [".pyd"] + else: + suffixes = [".so"] + + return suffixes + +def _ensure_dir(filename): + dirname = os.path.dirname(filename) + if dirname and not os.path.isdir(dirname): + os.makedirs(dirname) diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/LICENSE new file mode 100644 index 0000000..8add30a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/LICENSE @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! + + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/METADATA new file mode 100644 index 0000000..590bcc3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/METADATA @@ -0,0 +1,101 @@ +Metadata-Version: 2.1 +Name: chardet +Version: 4.0.0 +Summary: Universal encoding detector for Python 2 and 3 +Home-page: https://github.com/chardet/chardet +Author: Mark Pilgrim +Author-email: mark@diveintomark.org +Maintainer: Daniel Blanchard +Maintainer-email: dan.blanchard@gmail.com +License: LGPL +Keywords: encoding,i18n,xml +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL) +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Text Processing :: Linguistic +Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.* + +Chardet: The Universal Character Encoding Detector +-------------------------------------------------- + +.. image:: https://img.shields.io/travis/chardet/chardet/stable.svg + :alt: Build status + :target: https://travis-ci.org/chardet/chardet + +.. image:: https://img.shields.io/coveralls/chardet/chardet/stable.svg + :target: https://coveralls.io/r/chardet/chardet + +.. image:: https://img.shields.io/pypi/v/chardet.svg + :target: https://warehouse.python.org/project/chardet/ + :alt: Latest version on PyPI + +.. image:: https://img.shields.io/pypi/l/chardet.svg + :alt: License + + +Detects + - ASCII, UTF-8, UTF-16 (2 variants), UTF-32 (4 variants) + - Big5, GB2312, EUC-TW, HZ-GB-2312, ISO-2022-CN (Traditional and Simplified Chinese) + - EUC-JP, SHIFT_JIS, CP932, ISO-2022-JP (Japanese) + - EUC-KR, ISO-2022-KR (Korean) + - KOI8-R, MacCyrillic, IBM855, IBM866, ISO-8859-5, windows-1251 (Cyrillic) + - ISO-8859-5, windows-1251 (Bulgarian) + - ISO-8859-1, windows-1252 (Western European languages) + - ISO-8859-7, windows-1253 (Greek) + - ISO-8859-8, windows-1255 (Visual and Logical Hebrew) + - TIS-620 (Thai) + +.. note:: + Our ISO-8859-2 and windows-1250 (Hungarian) probers have been temporarily + disabled until we can retrain the models. + +Requires Python 2.7 or 3.5+. + +Installation +------------ + +Install from `PyPI `_:: + + pip install chardet + +Documentation +------------- + +For users, docs are now available at https://chardet.readthedocs.io/. + +Command-line Tool +----------------- + +chardet comes with a command-line script which reports on the encodings of one +or more files:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +About +----- + +This is a continuation of Mark Pilgrim's excellent chardet. Previously, two +versions needed to be maintained: one that supported python 2.x and one that +supported python 3.x. We've recently merged with `Ian Cordasco `_'s +`charade `_ fork, so now we have one +coherent version that works for Python 2.7+ and 3.4+. + +:maintainer: Dan Blanchard + + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/RECORD new file mode 100644 index 0000000..6bbec46 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/RECORD @@ -0,0 +1,95 @@ +../../../bin/chardetect,sha256=w8sfeP0UyX9MNjsrboYLkEf5Rl_HTWNd-Fd3ah5dsz0,252 +chardet-4.0.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +chardet-4.0.0.dist-info/LICENSE,sha256=YJXp_6d33SKDn3gBqoRbMcntB_PWv4om3F0t7IzMDvM,26432 +chardet-4.0.0.dist-info/METADATA,sha256=ySYQAE7NPm3LwxgMqFi1zdLQ48mmwMbrJwqAWCtcbH8,3526 +chardet-4.0.0.dist-info/RECORD,, +chardet-4.0.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 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index 0000000..a884269 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +chardetect = chardet.cli.chardetect:main + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/top_level.txt new file mode 100644 index 0000000..79236f2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet-4.0.0.dist-info/top_level.txt @@ -0,0 +1 @@ +chardet diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/__init__.py b/backend/mb-env/lib/python3.9/site-packages/chardet/__init__.py new file mode 100644 index 0000000..80ad254 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/__init__.py @@ -0,0 +1,83 @@ +######################## BEGIN LICENSE BLOCK ######################## +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +from .universaldetector import UniversalDetector +from .enums import InputState +from .version import __version__, VERSION + + +__all__ = ['UniversalDetector', 'detect', 'detect_all', '__version__', 'VERSION'] + + +def detect(byte_str): + """ + Detect the encoding of the given byte string. + + :param byte_str: The byte sequence to examine. + :type byte_str: ``bytes`` or ``bytearray`` + """ + if not isinstance(byte_str, bytearray): + if not isinstance(byte_str, bytes): + raise TypeError('Expected object of type bytes or bytearray, got: ' + '{}'.format(type(byte_str))) + else: + byte_str = bytearray(byte_str) + detector = UniversalDetector() + detector.feed(byte_str) + return detector.close() + + +def detect_all(byte_str): + """ + Detect all the possible encodings of the given byte string. + + :param byte_str: The byte sequence to examine. + :type byte_str: ``bytes`` or ``bytearray`` + """ + if not isinstance(byte_str, bytearray): + if not isinstance(byte_str, bytes): + raise TypeError('Expected object of type bytes or bytearray, got: ' + '{}'.format(type(byte_str))) + else: + byte_str = bytearray(byte_str) + + detector = UniversalDetector() + detector.feed(byte_str) + detector.close() + + if detector._input_state == InputState.HIGH_BYTE: + results = [] + for prober in detector._charset_probers: + if prober.get_confidence() > detector.MINIMUM_THRESHOLD: + charset_name = prober.charset_name + lower_charset_name = prober.charset_name.lower() + # Use Windows encoding name instead of ISO-8859 if we saw any + # extra Windows-specific bytes + if lower_charset_name.startswith('iso-8859'): + if detector._has_win_bytes: + charset_name = detector.ISO_WIN_MAP.get(lower_charset_name, + charset_name) + results.append({ + 'encoding': charset_name, + 'confidence': prober.get_confidence(), + 'language': prober.language, + }) + if len(results) > 0: + return sorted(results, key=lambda result: -result['confidence']) + + return [detector.result] diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/big5freq.py b/backend/mb-env/lib/python3.9/site-packages/chardet/big5freq.py new file mode 100644 index 0000000..38f3251 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/big5freq.py @@ -0,0 +1,386 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Big5 frequency table +# by Taiwan's Mandarin Promotion Council +# +# +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Ideal Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +BIG5_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +#Char to FreqOrder table +BIG5_TABLE_SIZE = 5376 + +BIG5_CHAR_TO_FREQ_ORDER = ( + 1,1801,1506, 255,1431, 198, 9, 82, 6,5008, 177, 202,3681,1256,2821, 110, # 16 +3814, 33,3274, 261, 76, 44,2114, 16,2946,2187,1176, 659,3971, 26,3451,2653, # 32 +1198,3972,3350,4202, 410,2215, 302, 590, 361,1964, 8, 204, 58,4510,5009,1932, # 48 + 63,5010,5011, 317,1614, 75, 222, 159,4203,2417,1480,5012,3555,3091, 224,2822, # 64 +3682, 3, 10,3973,1471, 29,2787,1135,2866,1940, 873, 130,3275,1123, 312,5013, # 80 +4511,2052, 507, 252, 682,5014, 142,1915, 124, 206,2947, 34,3556,3204, 64, 604, # 96 +5015,2501,1977,1978, 155,1991, 645, 641,1606,5016,3452, 337, 72, 406,5017, 80, # 112 + 630, 238,3205,1509, 263, 939,1092,2654, 756,1440,1094,3453, 449, 69,2987, 591, # 128 + 179,2096, 471, 115,2035,1844, 60, 50,2988, 134, 806,1869, 734,2036,3454, 180, # 144 + 995,1607, 156, 537,2907, 688,5018, 319,1305, 779,2145, 514,2379, 298,4512, 359, # 160 +2502, 90,2716,1338, 663, 11, 906,1099,2553, 20,2441, 182, 532,1716,5019, 732, # 176 +1376,4204,1311,1420,3206, 25,2317,1056, 113, 399, 382,1950, 242,3455,2474, 529, # 192 +3276, 475,1447,3683,5020, 117, 21, 656, 810,1297,2300,2334,3557,5021, 126,4205, # 208 + 706, 456, 150, 613,4513, 71,1118,2037,4206, 145,3092, 85, 835, 486,2115,1246, # 224 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,5022,2128,2359, 347,3815, 221, # 240 +3558,3135,5023,1956,1153,4207, 83, 296,1199,3093, 192, 624, 93,5024, 822,1898, # 256 +2823,3136, 795,2065, 991,1554,1542,1592, 27, 43,2867, 859, 139,1456, 860,4514, # 272 + 437, 712,3974, 164,2397,3137, 695, 211,3037,2097, 195,3975,1608,3559,3560,3684, # 288 +3976, 234, 811,2989,2098,3977,2233,1441,3561,1615,2380, 668,2077,1638, 305, 228, # 304 +1664,4515, 467, 415,5025, 262,2099,1593, 239, 108, 300, 200,1033, 512,1247,2078, # 320 +5026,5027,2176,3207,3685,2682, 593, 845,1062,3277, 88,1723,2038,3978,1951, 212, # 336 + 266, 152, 149, 468,1899,4208,4516, 77, 187,5028,3038, 37, 5,2990,5029,3979, # 352 +5030,5031, 39,2524,4517,2908,3208,2079, 55, 148, 74,4518, 545, 483,1474,1029, # 368 +1665, 217,1870,1531,3138,1104,2655,4209, 24, 172,3562, 900,3980,3563,3564,4519, # 384 + 32,1408,2824,1312, 329, 487,2360,2251,2717, 784,2683, 4,3039,3351,1427,1789, # 400 + 188, 109, 499,5032,3686,1717,1790, 888,1217,3040,4520,5033,3565,5034,3352,1520, # 416 +3687,3981, 196,1034, 775,5035,5036, 929,1816, 249, 439, 38,5037,1063,5038, 794, # 432 +3982,1435,2301, 46, 178,3278,2066,5039,2381,5040, 214,1709,4521, 804, 35, 707, # 448 + 324,3688,1601,2554, 140, 459,4210,5041,5042,1365, 839, 272, 978,2262,2580,3456, # 464 +2129,1363,3689,1423, 697, 100,3094, 48, 70,1231, 495,3139,2196,5043,1294,5044, # 480 +2080, 462, 586,1042,3279, 853, 256, 988, 185,2382,3457,1698, 434,1084,5045,3458, # 496 + 314,2625,2788,4522,2335,2336, 569,2285, 637,1817,2525, 757,1162,1879,1616,3459, # 512 + 287,1577,2116, 768,4523,1671,2868,3566,2526,1321,3816, 909,2418,5046,4211, 933, # 528 +3817,4212,2053,2361,1222,4524, 765,2419,1322, 786,4525,5047,1920,1462,1677,2909, # 544 +1699,5048,4526,1424,2442,3140,3690,2600,3353,1775,1941,3460,3983,4213, 309,1369, # 560 +1130,2825, 364,2234,1653,1299,3984,3567,3985,3986,2656, 525,1085,3041, 902,2001, # 576 +1475, 964,4527, 421,1845,1415,1057,2286, 940,1364,3141, 376,4528,4529,1381, 7, # 592 +2527, 983,2383, 336,1710,2684,1846, 321,3461, 559,1131,3042,2752,1809,1132,1313, # 608 + 265,1481,1858,5049, 352,1203,2826,3280, 167,1089, 420,2827, 776, 792,1724,3568, # 624 +4214,2443,3281,5050,4215,5051, 446, 229, 333,2753, 901,3818,1200,1557,4530,2657, # 640 +1921, 395,2754,2685,3819,4216,1836, 125, 916,3209,2626,4531,5052,5053,3820,5054, # 656 +5055,5056,4532,3142,3691,1133,2555,1757,3462,1510,2318,1409,3569,5057,2146, 438, # 672 +2601,2910,2384,3354,1068, 958,3043, 461, 311,2869,2686,4217,1916,3210,4218,1979, # 688 + 383, 750,2755,2627,4219, 274, 539, 385,1278,1442,5058,1154,1965, 384, 561, 210, # 704 + 98,1295,2556,3570,5059,1711,2420,1482,3463,3987,2911,1257, 129,5060,3821, 642, # 720 + 523,2789,2790,2658,5061, 141,2235,1333, 68, 176, 441, 876, 907,4220, 603,2602, # 736 + 710, 171,3464, 404, 549, 18,3143,2398,1410,3692,1666,5062,3571,4533,2912,4534, # 752 +5063,2991, 368,5064, 146, 366, 99, 871,3693,1543, 748, 807,1586,1185, 22,2263, # 768 + 379,3822,3211,5065,3212, 505,1942,2628,1992,1382,2319,5066, 380,2362, 218, 702, # 784 +1818,1248,3465,3044,3572,3355,3282,5067,2992,3694, 930,3283,3823,5068, 59,5069, # 800 + 585, 601,4221, 497,3466,1112,1314,4535,1802,5070,1223,1472,2177,5071, 749,1837, # 816 + 690,1900,3824,1773,3988,1476, 429,1043,1791,2236,2117, 917,4222, 447,1086,1629, # 832 +5072, 556,5073,5074,2021,1654, 844,1090, 105, 550, 966,1758,2828,1008,1783, 686, # 848 +1095,5075,2287, 793,1602,5076,3573,2603,4536,4223,2948,2302,4537,3825, 980,2503, # 864 + 544, 353, 527,4538, 908,2687,2913,5077, 381,2629,1943,1348,5078,1341,1252, 560, # 880 +3095,5079,3467,2870,5080,2054, 973, 886,2081, 143,4539,5081,5082, 157,3989, 496, # 896 +4224, 57, 840, 540,2039,4540,4541,3468,2118,1445, 970,2264,1748,1966,2082,4225, # 912 +3144,1234,1776,3284,2829,3695, 773,1206,2130,1066,2040,1326,3990,1738,1725,4226, # 928 + 279,3145, 51,1544,2604, 423,1578,2131,2067, 173,4542,1880,5083,5084,1583, 264, # 944 + 610,3696,4543,2444, 280, 154,5085,5086,5087,1739, 338,1282,3096, 693,2871,1411, # 960 +1074,3826,2445,5088,4544,5089,5090,1240, 952,2399,5091,2914,1538,2688, 685,1483, # 976 +4227,2475,1436, 953,4228,2055,4545, 671,2400, 79,4229,2446,3285, 608, 567,2689, # 992 +3469,4230,4231,1691, 393,1261,1792,2401,5092,4546,5093,5094,5095,5096,1383,1672, # 1008 +3827,3213,1464, 522,1119, 661,1150, 216, 675,4547,3991,1432,3574, 609,4548,2690, # 1024 +2402,5097,5098,5099,4232,3045, 0,5100,2476, 315, 231,2447, 301,3356,4549,2385, # 1040 +5101, 233,4233,3697,1819,4550,4551,5102, 96,1777,1315,2083,5103, 257,5104,1810, # 1056 +3698,2718,1139,1820,4234,2022,1124,2164,2791,1778,2659,5105,3097, 363,1655,3214, # 1072 +5106,2993,5107,5108,5109,3992,1567,3993, 718, 103,3215, 849,1443, 341,3357,2949, # 1088 +1484,5110,1712, 127, 67, 339,4235,2403, 679,1412, 821,5111,5112, 834, 738, 351, # 1104 +2994,2147, 846, 235,1497,1881, 418,1993,3828,2719, 186,1100,2148,2756,3575,1545, # 1120 +1355,2950,2872,1377, 583,3994,4236,2581,2995,5113,1298,3699,1078,2557,3700,2363, # 1136 + 78,3829,3830, 267,1289,2100,2002,1594,4237, 348, 369,1274,2197,2178,1838,4552, # 1152 +1821,2830,3701,2757,2288,2003,4553,2951,2758, 144,3358, 882,4554,3995,2759,3470, # 1168 +4555,2915,5114,4238,1726, 320,5115,3996,3046, 788,2996,5116,2831,1774,1327,2873, # 1184 +3997,2832,5117,1306,4556,2004,1700,3831,3576,2364,2660, 787,2023, 506, 824,3702, # 1200 + 534, 323,4557,1044,3359,2024,1901, 946,3471,5118,1779,1500,1678,5119,1882,4558, # 1216 + 165, 243,4559,3703,2528, 123, 683,4239, 764,4560, 36,3998,1793, 589,2916, 816, # 1232 + 626,1667,3047,2237,1639,1555,1622,3832,3999,5120,4000,2874,1370,1228,1933, 891, # 1248 +2084,2917, 304,4240,5121, 292,2997,2720,3577, 691,2101,4241,1115,4561, 118, 662, # 1264 +5122, 611,1156, 854,2386,1316,2875, 2, 386, 515,2918,5123,5124,3286, 868,2238, # 1280 +1486, 855,2661, 785,2216,3048,5125,1040,3216,3578,5126,3146, 448,5127,1525,5128, # 1296 +2165,4562,5129,3833,5130,4242,2833,3579,3147, 503, 818,4001,3148,1568, 814, 676, # 1312 +1444, 306,1749,5131,3834,1416,1030, 197,1428, 805,2834,1501,4563,5132,5133,5134, # 1328 +1994,5135,4564,5136,5137,2198, 13,2792,3704,2998,3149,1229,1917,5138,3835,2132, # 1344 +5139,4243,4565,2404,3580,5140,2217,1511,1727,1120,5141,5142, 646,3836,2448, 307, # 1360 +5143,5144,1595,3217,5145,5146,5147,3705,1113,1356,4002,1465,2529,2530,5148, 519, # 1376 +5149, 128,2133, 92,2289,1980,5150,4003,1512, 342,3150,2199,5151,2793,2218,1981, # 1392 +3360,4244, 290,1656,1317, 789, 827,2365,5152,3837,4566, 562, 581,4004,5153, 401, # 1408 +4567,2252, 94,4568,5154,1399,2794,5155,1463,2025,4569,3218,1944,5156, 828,1105, # 1424 +4245,1262,1394,5157,4246, 605,4570,5158,1784,2876,5159,2835, 819,2102, 578,2200, # 1440 +2952,5160,1502, 436,3287,4247,3288,2836,4005,2919,3472,3473,5161,2721,2320,5162, # 1456 +5163,2337,2068, 23,4571, 193, 826,3838,2103, 699,1630,4248,3098, 390,1794,1064, # 1472 +3581,5164,1579,3099,3100,1400,5165,4249,1839,1640,2877,5166,4572,4573, 137,4250, # 1488 + 598,3101,1967, 780, 104, 974,2953,5167, 278, 899, 253, 402, 572, 504, 493,1339, # 1504 +5168,4006,1275,4574,2582,2558,5169,3706,3049,3102,2253, 565,1334,2722, 863, 41, # 1520 +5170,5171,4575,5172,1657,2338, 19, 463,2760,4251, 606,5173,2999,3289,1087,2085, # 1536 +1323,2662,3000,5174,1631,1623,1750,4252,2691,5175,2878, 791,2723,2663,2339, 232, # 1552 +2421,5176,3001,1498,5177,2664,2630, 755,1366,3707,3290,3151,2026,1609, 119,1918, # 1568 +3474, 862,1026,4253,5178,4007,3839,4576,4008,4577,2265,1952,2477,5179,1125, 817, # 1584 +4254,4255,4009,1513,1766,2041,1487,4256,3050,3291,2837,3840,3152,5180,5181,1507, # 1600 +5182,2692, 733, 40,1632,1106,2879, 345,4257, 841,2531, 230,4578,3002,1847,3292, # 1616 +3475,5183,1263, 986,3476,5184, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562, # 1632 +4010,4011,2954, 967,2761,2665,1349, 592,2134,1692,3361,3003,1995,4258,1679,4012, # 1648 +1902,2188,5185, 739,3708,2724,1296,1290,5186,4259,2201,2202,1922,1563,2605,2559, # 1664 +1871,2762,3004,5187, 435,5188, 343,1108, 596, 17,1751,4579,2239,3477,3709,5189, # 1680 +4580, 294,3582,2955,1693, 477, 979, 281,2042,3583, 643,2043,3710,2631,2795,2266, # 1696 +1031,2340,2135,2303,3584,4581, 367,1249,2560,5190,3585,5191,4582,1283,3362,2005, # 1712 + 240,1762,3363,4583,4584, 836,1069,3153, 474,5192,2149,2532, 268,3586,5193,3219, # 1728 +1521,1284,5194,1658,1546,4260,5195,3587,3588,5196,4261,3364,2693,1685,4262, 961, # 1744 +1673,2632, 190,2006,2203,3841,4585,4586,5197, 570,2504,3711,1490,5198,4587,2633, # 1760 +3293,1957,4588, 584,1514, 396,1045,1945,5199,4589,1968,2449,5200,5201,4590,4013, # 1776 + 619,5202,3154,3294, 215,2007,2796,2561,3220,4591,3221,4592, 763,4263,3842,4593, # 1792 +5203,5204,1958,1767,2956,3365,3712,1174, 452,1477,4594,3366,3155,5205,2838,1253, # 1808 +2387,2189,1091,2290,4264, 492,5206, 638,1169,1825,2136,1752,4014, 648, 926,1021, # 1824 +1324,4595, 520,4596, 997, 847,1007, 892,4597,3843,2267,1872,3713,2405,1785,4598, # 1840 +1953,2957,3103,3222,1728,4265,2044,3714,4599,2008,1701,3156,1551, 30,2268,4266, # 1856 +5207,2027,4600,3589,5208, 501,5209,4267, 594,3478,2166,1822,3590,3479,3591,3223, # 1872 + 829,2839,4268,5210,1680,3157,1225,4269,5211,3295,4601,4270,3158,2341,5212,4602, # 1888 +4271,5213,4015,4016,5214,1848,2388,2606,3367,5215,4603, 374,4017, 652,4272,4273, # 1904 + 375,1140, 798,5216,5217,5218,2366,4604,2269, 546,1659, 138,3051,2450,4605,5219, # 1920 +2254, 612,1849, 910, 796,3844,1740,1371, 825,3845,3846,5220,2920,2562,5221, 692, # 1936 + 444,3052,2634, 801,4606,4274,5222,1491, 244,1053,3053,4275,4276, 340,5223,4018, # 1952 +1041,3005, 293,1168, 87,1357,5224,1539, 959,5225,2240, 721, 694,4277,3847, 219, # 1968 +1478, 644,1417,3368,2666,1413,1401,1335,1389,4019,5226,5227,3006,2367,3159,1826, # 1984 + 730,1515, 184,2840, 66,4607,5228,1660,2958, 246,3369, 378,1457, 226,3480, 975, # 2000 +4020,2959,1264,3592, 674, 696,5229, 163,5230,1141,2422,2167, 713,3593,3370,4608, # 2016 +4021,5231,5232,1186, 15,5233,1079,1070,5234,1522,3224,3594, 276,1050,2725, 758, # 2032 +1126, 653,2960,3296,5235,2342, 889,3595,4022,3104,3007, 903,1250,4609,4023,3481, # 2048 +3596,1342,1681,1718, 766,3297, 286, 89,2961,3715,5236,1713,5237,2607,3371,3008, # 2064 +5238,2962,2219,3225,2880,5239,4610,2505,2533, 181, 387,1075,4024, 731,2190,3372, # 2080 +5240,3298, 310, 313,3482,2304, 770,4278, 54,3054, 189,4611,3105,3848,4025,5241, # 2096 +1230,1617,1850, 355,3597,4279,4612,3373, 111,4280,3716,1350,3160,3483,3055,4281, # 2112 +2150,3299,3598,5242,2797,4026,4027,3009, 722,2009,5243,1071, 247,1207,2343,2478, # 2128 +1378,4613,2010, 864,1437,1214,4614, 373,3849,1142,2220, 667,4615, 442,2763,2563, # 2144 +3850,4028,1969,4282,3300,1840, 837, 170,1107, 934,1336,1883,5244,5245,2119,4283, # 2160 +2841, 743,1569,5246,4616,4284, 582,2389,1418,3484,5247,1803,5248, 357,1395,1729, # 2176 +3717,3301,2423,1564,2241,5249,3106,3851,1633,4617,1114,2086,4285,1532,5250, 482, # 2192 +2451,4618,5251,5252,1492, 833,1466,5253,2726,3599,1641,2842,5254,1526,1272,3718, # 2208 +4286,1686,1795, 416,2564,1903,1954,1804,5255,3852,2798,3853,1159,2321,5256,2881, # 2224 +4619,1610,1584,3056,2424,2764, 443,3302,1163,3161,5257,5258,4029,5259,4287,2506, # 2240 +3057,4620,4030,3162,2104,1647,3600,2011,1873,4288,5260,4289, 431,3485,5261, 250, # 2256 + 97, 81,4290,5262,1648,1851,1558, 160, 848,5263, 866, 740,1694,5264,2204,2843, # 2272 +3226,4291,4621,3719,1687, 950,2479, 426, 469,3227,3720,3721,4031,5265,5266,1188, # 2288 + 424,1996, 861,3601,4292,3854,2205,2694, 168,1235,3602,4293,5267,2087,1674,4622, # 2304 +3374,3303, 220,2565,1009,5268,3855, 670,3010, 332,1208, 717,5269,5270,3603,2452, # 2320 +4032,3375,5271, 513,5272,1209,2882,3376,3163,4623,1080,5273,5274,5275,5276,2534, # 2336 +3722,3604, 815,1587,4033,4034,5277,3605,3486,3856,1254,4624,1328,3058,1390,4035, # 2352 +1741,4036,3857,4037,5278, 236,3858,2453,3304,5279,5280,3723,3859,1273,3860,4625, # 2368 +5281, 308,5282,4626, 245,4627,1852,2480,1307,2583, 430, 715,2137,2454,5283, 270, # 2384 + 199,2883,4038,5284,3606,2727,1753, 761,1754, 725,1661,1841,4628,3487,3724,5285, # 2400 +5286, 587, 14,3305, 227,2608, 326, 480,2270, 943,2765,3607, 291, 650,1884,5287, # 2416 +1702,1226, 102,1547, 62,3488, 904,4629,3489,1164,4294,5288,5289,1224,1548,2766, # 2432 + 391, 498,1493,5290,1386,1419,5291,2056,1177,4630, 813, 880,1081,2368, 566,1145, # 2448 +4631,2291,1001,1035,2566,2609,2242, 394,1286,5292,5293,2069,5294, 86,1494,1730, # 2464 +4039, 491,1588, 745, 897,2963, 843,3377,4040,2767,2884,3306,1768, 998,2221,2070, # 2480 + 397,1827,1195,1970,3725,3011,3378, 284,5295,3861,2507,2138,2120,1904,5296,4041, # 2496 +2151,4042,4295,1036,3490,1905, 114,2567,4296, 209,1527,5297,5298,2964,2844,2635, # 2512 +2390,2728,3164, 812,2568,5299,3307,5300,1559, 737,1885,3726,1210, 885, 28,2695, # 2528 +3608,3862,5301,4297,1004,1780,4632,5302, 346,1982,2222,2696,4633,3863,1742, 797, # 2544 +1642,4043,1934,1072,1384,2152, 896,4044,3308,3727,3228,2885,3609,5303,2569,1959, # 2560 +4634,2455,1786,5304,5305,5306,4045,4298,1005,1308,3728,4299,2729,4635,4636,1528, # 2576 +2610, 161,1178,4300,1983, 987,4637,1101,4301, 631,4046,1157,3229,2425,1343,1241, # 2592 +1016,2243,2570, 372, 877,2344,2508,1160, 555,1935, 911,4047,5307, 466,1170, 169, # 2608 +1051,2921,2697,3729,2481,3012,1182,2012,2571,1251,2636,5308, 992,2345,3491,1540, # 2624 +2730,1201,2071,2406,1997,2482,5309,4638, 528,1923,2191,1503,1874,1570,2369,3379, # 2640 +3309,5310, 557,1073,5311,1828,3492,2088,2271,3165,3059,3107, 767,3108,2799,4639, # 2656 +1006,4302,4640,2346,1267,2179,3730,3230, 778,4048,3231,2731,1597,2667,5312,4641, # 2672 +5313,3493,5314,5315,5316,3310,2698,1433,3311, 131, 95,1504,4049, 723,4303,3166, # 2688 +1842,3610,2768,2192,4050,2028,2105,3731,5317,3013,4051,1218,5318,3380,3232,4052, # 2704 +4304,2584, 248,1634,3864, 912,5319,2845,3732,3060,3865, 654, 53,5320,3014,5321, # 2720 +1688,4642, 777,3494,1032,4053,1425,5322, 191, 820,2121,2846, 971,4643, 931,3233, # 2736 + 135, 664, 783,3866,1998, 772,2922,1936,4054,3867,4644,2923,3234, 282,2732, 640, # 2752 +1372,3495,1127, 922, 325,3381,5323,5324, 711,2045,5325,5326,4055,2223,2800,1937, # 2768 +4056,3382,2224,2255,3868,2305,5327,4645,3869,1258,3312,4057,3235,2139,2965,4058, # 2784 +4059,5328,2225, 258,3236,4646, 101,1227,5329,3313,1755,5330,1391,3314,5331,2924, # 2800 +2057, 893,5332,5333,5334,1402,4305,2347,5335,5336,3237,3611,5337,5338, 878,1325, # 2816 +1781,2801,4647, 259,1385,2585, 744,1183,2272,4648,5339,4060,2509,5340, 684,1024, # 2832 +4306,5341, 472,3612,3496,1165,3315,4061,4062, 322,2153, 881, 455,1695,1152,1340, # 2848 + 660, 554,2154,4649,1058,4650,4307, 830,1065,3383,4063,4651,1924,5342,1703,1919, # 2864 +5343, 932,2273, 122,5344,4652, 947, 677,5345,3870,2637, 297,1906,1925,2274,4653, # 2880 +2322,3316,5346,5347,4308,5348,4309, 84,4310, 112, 989,5349, 547,1059,4064, 701, # 2896 +3613,1019,5350,4311,5351,3497, 942, 639, 457,2306,2456, 993,2966, 407, 851, 494, # 2912 +4654,3384, 927,5352,1237,5353,2426,3385, 573,4312, 680, 921,2925,1279,1875, 285, # 2928 + 790,1448,1984, 719,2168,5354,5355,4655,4065,4066,1649,5356,1541, 563,5357,1077, # 2944 +5358,3386,3061,3498, 511,3015,4067,4068,3733,4069,1268,2572,3387,3238,4656,4657, # 2960 +5359, 535,1048,1276,1189,2926,2029,3167,1438,1373,2847,2967,1134,2013,5360,4313, # 2976 +1238,2586,3109,1259,5361, 700,5362,2968,3168,3734,4314,5363,4315,1146,1876,1907, # 2992 +4658,2611,4070, 781,2427, 132,1589, 203, 147, 273,2802,2407, 898,1787,2155,4071, # 3008 +4072,5364,3871,2803,5365,5366,4659,4660,5367,3239,5368,1635,3872, 965,5369,1805, # 3024 +2699,1516,3614,1121,1082,1329,3317,4073,1449,3873, 65,1128,2848,2927,2769,1590, # 3040 +3874,5370,5371, 12,2668, 45, 976,2587,3169,4661, 517,2535,1013,1037,3240,5372, # 3056 +3875,2849,5373,3876,5374,3499,5375,2612, 614,1999,2323,3877,3110,2733,2638,5376, # 3072 +2588,4316, 599,1269,5377,1811,3735,5378,2700,3111, 759,1060, 489,1806,3388,3318, # 3088 +1358,5379,5380,2391,1387,1215,2639,2256, 490,5381,5382,4317,1759,2392,2348,5383, # 3104 +4662,3878,1908,4074,2640,1807,3241,4663,3500,3319,2770,2349, 874,5384,5385,3501, # 3120 +3736,1859, 91,2928,3737,3062,3879,4664,5386,3170,4075,2669,5387,3502,1202,1403, # 3136 +3880,2969,2536,1517,2510,4665,3503,2511,5388,4666,5389,2701,1886,1495,1731,4076, # 3152 +2370,4667,5390,2030,5391,5392,4077,2702,1216, 237,2589,4318,2324,4078,3881,4668, # 3168 +4669,2703,3615,3504, 445,4670,5393,5394,5395,5396,2771, 61,4079,3738,1823,4080, # 3184 +5397, 687,2046, 935, 925, 405,2670, 703,1096,1860,2734,4671,4081,1877,1367,2704, # 3200 +3389, 918,2106,1782,2483, 334,3320,1611,1093,4672, 564,3171,3505,3739,3390, 945, # 3216 +2641,2058,4673,5398,1926, 872,4319,5399,3506,2705,3112, 349,4320,3740,4082,4674, # 3232 +3882,4321,3741,2156,4083,4675,4676,4322,4677,2408,2047, 782,4084, 400, 251,4323, # 3248 +1624,5400,5401, 277,3742, 299,1265, 476,1191,3883,2122,4324,4325,1109, 205,5402, # 3264 +2590,1000,2157,3616,1861,5403,5404,5405,4678,5406,4679,2573, 107,2484,2158,4085, # 3280 +3507,3172,5407,1533, 541,1301, 158, 753,4326,2886,3617,5408,1696, 370,1088,4327, # 3296 +4680,3618, 579, 327, 440, 162,2244, 269,1938,1374,3508, 968,3063, 56,1396,3113, # 3312 +2107,3321,3391,5409,1927,2159,4681,3016,5410,3619,5411,5412,3743,4682,2485,5413, # 3328 +2804,5414,1650,4683,5415,2613,5416,5417,4086,2671,3392,1149,3393,4087,3884,4088, # 3344 +5418,1076, 49,5419, 951,3242,3322,3323, 450,2850, 920,5420,1812,2805,2371,4328, # 3360 +1909,1138,2372,3885,3509,5421,3243,4684,1910,1147,1518,2428,4685,3886,5422,4686, # 3376 +2393,2614, 260,1796,3244,5423,5424,3887,3324, 708,5425,3620,1704,5426,3621,1351, # 3392 +1618,3394,3017,1887, 944,4329,3395,4330,3064,3396,4331,5427,3744, 422, 413,1714, # 3408 +3325, 500,2059,2350,4332,2486,5428,1344,1911, 954,5429,1668,5430,5431,4089,2409, # 3424 +4333,3622,3888,4334,5432,2307,1318,2512,3114, 133,3115,2887,4687, 629, 31,2851, # 3440 +2706,3889,4688, 850, 949,4689,4090,2970,1732,2089,4335,1496,1853,5433,4091, 620, # 3456 +3245, 981,1242,3745,3397,1619,3746,1643,3326,2140,2457,1971,1719,3510,2169,5434, # 3472 +3246,5435,5436,3398,1829,5437,1277,4690,1565,2048,5438,1636,3623,3116,5439, 869, # 3488 +2852, 655,3890,3891,3117,4092,3018,3892,1310,3624,4691,5440,5441,5442,1733, 558, # 3504 +4692,3747, 335,1549,3065,1756,4336,3748,1946,3511,1830,1291,1192, 470,2735,2108, # 3520 +2806, 913,1054,4093,5443,1027,5444,3066,4094,4693, 982,2672,3399,3173,3512,3247, # 3536 +3248,1947,2807,5445, 571,4694,5446,1831,5447,3625,2591,1523,2429,5448,2090, 984, # 3552 +4695,3749,1960,5449,3750, 852, 923,2808,3513,3751, 969,1519, 999,2049,2325,1705, # 3568 +5450,3118, 615,1662, 151, 597,4095,2410,2326,1049, 275,4696,3752,4337, 568,3753, # 3584 +3626,2487,4338,3754,5451,2430,2275, 409,3249,5452,1566,2888,3514,1002, 769,2853, # 3600 + 194,2091,3174,3755,2226,3327,4339, 628,1505,5453,5454,1763,2180,3019,4096, 521, # 3616 +1161,2592,1788,2206,2411,4697,4097,1625,4340,4341, 412, 42,3119, 464,5455,2642, # 3632 +4698,3400,1760,1571,2889,3515,2537,1219,2207,3893,2643,2141,2373,4699,4700,3328, # 3648 +1651,3401,3627,5456,5457,3628,2488,3516,5458,3756,5459,5460,2276,2092, 460,5461, # 3664 +4701,5462,3020, 962, 588,3629, 289,3250,2644,1116, 52,5463,3067,1797,5464,5465, # 3680 +5466,1467,5467,1598,1143,3757,4342,1985,1734,1067,4702,1280,3402, 465,4703,1572, # 3696 + 510,5468,1928,2245,1813,1644,3630,5469,4704,3758,5470,5471,2673,1573,1534,5472, # 3712 +5473, 536,1808,1761,3517,3894,3175,2645,5474,5475,5476,4705,3518,2929,1912,2809, # 3728 +5477,3329,1122, 377,3251,5478, 360,5479,5480,4343,1529, 551,5481,2060,3759,1769, # 3744 +2431,5482,2930,4344,3330,3120,2327,2109,2031,4706,1404, 136,1468,1479, 672,1171, # 3760 +3252,2308, 271,3176,5483,2772,5484,2050, 678,2736, 865,1948,4707,5485,2014,4098, # 3776 +2971,5486,2737,2227,1397,3068,3760,4708,4709,1735,2931,3403,3631,5487,3895, 509, # 3792 +2854,2458,2890,3896,5488,5489,3177,3178,4710,4345,2538,4711,2309,1166,1010, 552, # 3808 + 681,1888,5490,5491,2972,2973,4099,1287,1596,1862,3179, 358, 453, 736, 175, 478, # 3824 +1117, 905,1167,1097,5492,1854,1530,5493,1706,5494,2181,3519,2292,3761,3520,3632, # 3840 +4346,2093,4347,5495,3404,1193,2489,4348,1458,2193,2208,1863,1889,1421,3331,2932, # 3856 +3069,2182,3521, 595,2123,5496,4100,5497,5498,4349,1707,2646, 223,3762,1359, 751, # 3872 +3121, 183,3522,5499,2810,3021, 419,2374, 633, 704,3897,2394, 241,5500,5501,5502, # 3888 + 838,3022,3763,2277,2773,2459,3898,1939,2051,4101,1309,3122,2246,1181,5503,1136, # 3904 +2209,3899,2375,1446,4350,2310,4712,5504,5505,4351,1055,2615, 484,3764,5506,4102, # 3920 + 625,4352,2278,3405,1499,4353,4103,5507,4104,4354,3253,2279,2280,3523,5508,5509, # 3936 +2774, 808,2616,3765,3406,4105,4355,3123,2539, 526,3407,3900,4356, 955,5510,1620, # 3952 +4357,2647,2432,5511,1429,3766,1669,1832, 994, 928,5512,3633,1260,5513,5514,5515, # 3968 +1949,2293, 741,2933,1626,4358,2738,2460, 867,1184, 362,3408,1392,5516,5517,4106, # 3984 +4359,1770,1736,3254,2934,4713,4714,1929,2707,1459,1158,5518,3070,3409,2891,1292, # 4000 +1930,2513,2855,3767,1986,1187,2072,2015,2617,4360,5519,2574,2514,2170,3768,2490, # 4016 +3332,5520,3769,4715,5521,5522, 666,1003,3023,1022,3634,4361,5523,4716,1814,2257, # 4032 + 574,3901,1603, 295,1535, 705,3902,4362, 283, 858, 417,5524,5525,3255,4717,4718, # 4048 +3071,1220,1890,1046,2281,2461,4107,1393,1599, 689,2575, 388,4363,5526,2491, 802, # 4064 +5527,2811,3903,2061,1405,2258,5528,4719,3904,2110,1052,1345,3256,1585,5529, 809, # 4080 +5530,5531,5532, 575,2739,3524, 956,1552,1469,1144,2328,5533,2329,1560,2462,3635, # 4096 +3257,4108, 616,2210,4364,3180,2183,2294,5534,1833,5535,3525,4720,5536,1319,3770, # 4112 +3771,1211,3636,1023,3258,1293,2812,5537,5538,5539,3905, 607,2311,3906, 762,2892, # 4128 +1439,4365,1360,4721,1485,3072,5540,4722,1038,4366,1450,2062,2648,4367,1379,4723, # 4144 +2593,5541,5542,4368,1352,1414,2330,2935,1172,5543,5544,3907,3908,4724,1798,1451, # 4160 +5545,5546,5547,5548,2936,4109,4110,2492,2351, 411,4111,4112,3637,3333,3124,4725, # 4176 +1561,2674,1452,4113,1375,5549,5550, 47,2974, 316,5551,1406,1591,2937,3181,5552, # 4192 +1025,2142,3125,3182, 354,2740, 884,2228,4369,2412, 508,3772, 726,3638, 996,2433, # 4208 +3639, 729,5553, 392,2194,1453,4114,4726,3773,5554,5555,2463,3640,2618,1675,2813, # 4224 + 919,2352,2975,2353,1270,4727,4115, 73,5556,5557, 647,5558,3259,2856,2259,1550, # 4240 +1346,3024,5559,1332, 883,3526,5560,5561,5562,5563,3334,2775,5564,1212, 831,1347, # 4256 +4370,4728,2331,3909,1864,3073, 720,3910,4729,4730,3911,5565,4371,5566,5567,4731, # 4272 +5568,5569,1799,4732,3774,2619,4733,3641,1645,2376,4734,5570,2938, 669,2211,2675, # 4288 +2434,5571,2893,5572,5573,1028,3260,5574,4372,2413,5575,2260,1353,5576,5577,4735, # 4304 +3183, 518,5578,4116,5579,4373,1961,5580,2143,4374,5581,5582,3025,2354,2355,3912, # 4320 + 516,1834,1454,4117,2708,4375,4736,2229,2620,1972,1129,3642,5583,2776,5584,2976, # 4336 +1422, 577,1470,3026,1524,3410,5585,5586, 432,4376,3074,3527,5587,2594,1455,2515, # 4352 +2230,1973,1175,5588,1020,2741,4118,3528,4737,5589,2742,5590,1743,1361,3075,3529, # 4368 +2649,4119,4377,4738,2295, 895, 924,4378,2171, 331,2247,3076, 166,1627,3077,1098, # 4384 +5591,1232,2894,2231,3411,4739, 657, 403,1196,2377, 542,3775,3412,1600,4379,3530, # 4400 +5592,4740,2777,3261, 576, 530,1362,4741,4742,2540,2676,3776,4120,5593, 842,3913, # 4416 +5594,2814,2032,1014,4121, 213,2709,3413, 665, 621,4380,5595,3777,2939,2435,5596, # 4432 +2436,3335,3643,3414,4743,4381,2541,4382,4744,3644,1682,4383,3531,1380,5597, 724, # 4448 +2282, 600,1670,5598,1337,1233,4745,3126,2248,5599,1621,4746,5600, 651,4384,5601, # 4464 +1612,4385,2621,5602,2857,5603,2743,2312,3078,5604, 716,2464,3079, 174,1255,2710, # 4480 +4122,3645, 548,1320,1398, 728,4123,1574,5605,1891,1197,3080,4124,5606,3081,3082, # 4496 +3778,3646,3779, 747,5607, 635,4386,4747,5608,5609,5610,4387,5611,5612,4748,5613, # 4512 +3415,4749,2437, 451,5614,3780,2542,2073,4388,2744,4389,4125,5615,1764,4750,5616, # 4528 +4390, 350,4751,2283,2395,2493,5617,4391,4126,2249,1434,4127, 488,4752, 458,4392, # 4544 +4128,3781, 771,1330,2396,3914,2576,3184,2160,2414,1553,2677,3185,4393,5618,2494, # 4560 +2895,2622,1720,2711,4394,3416,4753,5619,2543,4395,5620,3262,4396,2778,5621,2016, # 4576 +2745,5622,1155,1017,3782,3915,5623,3336,2313, 201,1865,4397,1430,5624,4129,5625, # 4592 +5626,5627,5628,5629,4398,1604,5630, 414,1866, 371,2595,4754,4755,3532,2017,3127, # 4608 +4756,1708, 960,4399, 887, 389,2172,1536,1663,1721,5631,2232,4130,2356,2940,1580, # 4624 +5632,5633,1744,4757,2544,4758,4759,5634,4760,5635,2074,5636,4761,3647,3417,2896, # 4640 +4400,5637,4401,2650,3418,2815, 673,2712,2465, 709,3533,4131,3648,4402,5638,1148, # 4656 + 502, 634,5639,5640,1204,4762,3649,1575,4763,2623,3783,5641,3784,3128, 948,3263, # 4672 + 121,1745,3916,1110,5642,4403,3083,2516,3027,4132,3785,1151,1771,3917,1488,4133, # 4688 +1987,5643,2438,3534,5644,5645,2094,5646,4404,3918,1213,1407,2816, 531,2746,2545, # 4704 +3264,1011,1537,4764,2779,4405,3129,1061,5647,3786,3787,1867,2897,5648,2018, 120, # 4720 +4406,4407,2063,3650,3265,2314,3919,2678,3419,1955,4765,4134,5649,3535,1047,2713, # 4736 +1266,5650,1368,4766,2858, 649,3420,3920,2546,2747,1102,2859,2679,5651,5652,2000, # 4752 +5653,1111,3651,2977,5654,2495,3921,3652,2817,1855,3421,3788,5655,5656,3422,2415, # 4768 +2898,3337,3266,3653,5657,2577,5658,3654,2818,4135,1460, 856,5659,3655,5660,2899, # 4784 +2978,5661,2900,3922,5662,4408, 632,2517, 875,3923,1697,3924,2296,5663,5664,4767, # 4800 +3028,1239, 580,4768,4409,5665, 914, 936,2075,1190,4136,1039,2124,5666,5667,5668, # 4816 +5669,3423,1473,5670,1354,4410,3925,4769,2173,3084,4137, 915,3338,4411,4412,3339, # 4832 +1605,1835,5671,2748, 398,3656,4413,3926,4138, 328,1913,2860,4139,3927,1331,4414, # 4848 +3029, 937,4415,5672,3657,4140,4141,3424,2161,4770,3425, 524, 742, 538,3085,1012, # 4864 +5673,5674,3928,2466,5675, 658,1103, 225,3929,5676,5677,4771,5678,4772,5679,3267, # 4880 +1243,5680,4142, 963,2250,4773,5681,2714,3658,3186,5682,5683,2596,2332,5684,4774, # 4896 +5685,5686,5687,3536, 957,3426,2547,2033,1931,2941,2467, 870,2019,3659,1746,2780, # 4912 +2781,2439,2468,5688,3930,5689,3789,3130,3790,3537,3427,3791,5690,1179,3086,5691, # 4928 +3187,2378,4416,3792,2548,3188,3131,2749,4143,5692,3428,1556,2549,2297, 977,2901, # 4944 +2034,4144,1205,3429,5693,1765,3430,3189,2125,1271, 714,1689,4775,3538,5694,2333, # 4960 +3931, 533,4417,3660,2184, 617,5695,2469,3340,3539,2315,5696,5697,3190,5698,5699, # 4976 +3932,1988, 618, 427,2651,3540,3431,5700,5701,1244,1690,5702,2819,4418,4776,5703, # 4992 +3541,4777,5704,2284,1576, 473,3661,4419,3432, 972,5705,3662,5706,3087,5707,5708, # 5008 +4778,4779,5709,3793,4145,4146,5710, 153,4780, 356,5711,1892,2902,4420,2144, 408, # 5024 + 803,2357,5712,3933,5713,4421,1646,2578,2518,4781,4782,3934,5714,3935,4422,5715, # 5040 +2416,3433, 752,5716,5717,1962,3341,2979,5718, 746,3030,2470,4783,4423,3794, 698, # 5056 +4784,1893,4424,3663,2550,4785,3664,3936,5719,3191,3434,5720,1824,1302,4147,2715, # 5072 +3937,1974,4425,5721,4426,3192, 823,1303,1288,1236,2861,3542,4148,3435, 774,3938, # 5088 +5722,1581,4786,1304,2862,3939,4787,5723,2440,2162,1083,3268,4427,4149,4428, 344, # 5104 +1173, 288,2316, 454,1683,5724,5725,1461,4788,4150,2597,5726,5727,4789, 985, 894, # 5120 +5728,3436,3193,5729,1914,2942,3795,1989,5730,2111,1975,5731,4151,5732,2579,1194, # 5136 + 425,5733,4790,3194,1245,3796,4429,5734,5735,2863,5736, 636,4791,1856,3940, 760, # 5152 +1800,5737,4430,2212,1508,4792,4152,1894,1684,2298,5738,5739,4793,4431,4432,2213, # 5168 + 479,5740,5741, 832,5742,4153,2496,5743,2980,2497,3797, 990,3132, 627,1815,2652, # 5184 +4433,1582,4434,2126,2112,3543,4794,5744, 799,4435,3195,5745,4795,2113,1737,3031, # 5200 +1018, 543, 754,4436,3342,1676,4796,4797,4154,4798,1489,5746,3544,5747,2624,2903, # 5216 +4155,5748,5749,2981,5750,5751,5752,5753,3196,4799,4800,2185,1722,5754,3269,3270, # 5232 +1843,3665,1715, 481, 365,1976,1857,5755,5756,1963,2498,4801,5757,2127,3666,3271, # 5248 + 433,1895,2064,2076,5758, 602,2750,5759,5760,5761,5762,5763,3032,1628,3437,5764, # 5264 +3197,4802,4156,2904,4803,2519,5765,2551,2782,5766,5767,5768,3343,4804,2905,5769, # 5280 +4805,5770,2864,4806,4807,1221,2982,4157,2520,5771,5772,5773,1868,1990,5774,5775, # 5296 +5776,1896,5777,5778,4808,1897,4158, 318,5779,2095,4159,4437,5780,5781, 485,5782, # 5312 + 938,3941, 553,2680, 116,5783,3942,3667,5784,3545,2681,2783,3438,3344,2820,5785, # 5328 +3668,2943,4160,1747,2944,2983,5786,5787, 207,5788,4809,5789,4810,2521,5790,3033, # 5344 + 890,3669,3943,5791,1878,3798,3439,5792,2186,2358,3440,1652,5793,5794,5795, 941, # 5360 +2299, 208,3546,4161,2020, 330,4438,3944,2906,2499,3799,4439,4811,5796,5797,5798, # 5376 +) + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/big5prober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/big5prober.py new file mode 100644 index 0000000..98f9970 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/big5prober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import Big5DistributionAnalysis +from .mbcssm import BIG5_SM_MODEL + + +class Big5Prober(MultiByteCharSetProber): + def __init__(self): + super(Big5Prober, self).__init__() + self.coding_sm = CodingStateMachine(BIG5_SM_MODEL) + self.distribution_analyzer = Big5DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "Big5" + + @property + def language(self): + return "Chinese" diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/chardistribution.py b/backend/mb-env/lib/python3.9/site-packages/chardet/chardistribution.py new file mode 100644 index 0000000..c0395f4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/chardistribution.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .euctwfreq import (EUCTW_CHAR_TO_FREQ_ORDER, EUCTW_TABLE_SIZE, + EUCTW_TYPICAL_DISTRIBUTION_RATIO) +from .euckrfreq import (EUCKR_CHAR_TO_FREQ_ORDER, EUCKR_TABLE_SIZE, + EUCKR_TYPICAL_DISTRIBUTION_RATIO) +from .gb2312freq import (GB2312_CHAR_TO_FREQ_ORDER, GB2312_TABLE_SIZE, + GB2312_TYPICAL_DISTRIBUTION_RATIO) +from .big5freq import (BIG5_CHAR_TO_FREQ_ORDER, BIG5_TABLE_SIZE, + BIG5_TYPICAL_DISTRIBUTION_RATIO) +from .jisfreq import (JIS_CHAR_TO_FREQ_ORDER, JIS_TABLE_SIZE, + JIS_TYPICAL_DISTRIBUTION_RATIO) + + +class CharDistributionAnalysis(object): + ENOUGH_DATA_THRESHOLD = 1024 + SURE_YES = 0.99 + SURE_NO = 0.01 + MINIMUM_DATA_THRESHOLD = 3 + + def __init__(self): + # Mapping table to get frequency order from char order (get from + # GetOrder()) + self._char_to_freq_order = None + self._table_size = None # Size of above table + # This is a constant value which varies from language to language, + # used in calculating confidence. See + # http://www.mozilla.org/projects/intl/UniversalCharsetDetection.html + # for further detail. + self.typical_distribution_ratio = None + self._done = None + self._total_chars = None + self._freq_chars = None + self.reset() + + def reset(self): + """reset analyser, clear any state""" + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + self._total_chars = 0 # Total characters encountered + # The number of characters whose frequency order is less than 512 + self._freq_chars = 0 + + def feed(self, char, char_len): + """feed a character with known length""" + if char_len == 2: + # we only care about 2-bytes character in our distribution analysis + order = self.get_order(char) + else: + order = -1 + if order >= 0: + self._total_chars += 1 + # order is valid + if order < self._table_size: + if 512 > self._char_to_freq_order[order]: + self._freq_chars += 1 + + def get_confidence(self): + """return confidence based on existing data""" + # if we didn't receive any character in our consideration range, + # return negative answer + if self._total_chars <= 0 or self._freq_chars <= self.MINIMUM_DATA_THRESHOLD: + return self.SURE_NO + + if self._total_chars != self._freq_chars: + r = (self._freq_chars / ((self._total_chars - self._freq_chars) + * self.typical_distribution_ratio)) + if r < self.SURE_YES: + return r + + # normalize confidence (we don't want to be 100% sure) + return self.SURE_YES + + def got_enough_data(self): + # It is not necessary to receive all data to draw conclusion. + # For charset detection, certain amount of data is enough + return self._total_chars > self.ENOUGH_DATA_THRESHOLD + + def get_order(self, byte_str): + # We do not handle characters based on the original encoding string, + # but convert this encoding string to a number, here called order. + # This allows multiple encodings of a language to share one frequency + # table. + return -1 + + +class EUCTWDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCTWDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCTW_CHAR_TO_FREQ_ORDER + self._table_size = EUCTW_TABLE_SIZE + self.typical_distribution_ratio = EUCTW_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-TW encoding, we are interested + # first byte range: 0xc4 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xC4: + return 94 * (first_char - 0xC4) + byte_str[1] - 0xA1 + else: + return -1 + + +class EUCKRDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCKRDistributionAnalysis, self).__init__() + self._char_to_freq_order = EUCKR_CHAR_TO_FREQ_ORDER + self._table_size = EUCKR_TABLE_SIZE + self.typical_distribution_ratio = EUCKR_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-KR encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char = byte_str[0] + if first_char >= 0xB0: + return 94 * (first_char - 0xB0) + byte_str[1] - 0xA1 + else: + return -1 + + +class GB2312DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(GB2312DistributionAnalysis, self).__init__() + self._char_to_freq_order = GB2312_CHAR_TO_FREQ_ORDER + self._table_size = GB2312_TABLE_SIZE + self.typical_distribution_ratio = GB2312_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for GB2312 encoding, we are interested + # first byte range: 0xb0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0xB0) and (second_char >= 0xA1): + return 94 * (first_char - 0xB0) + second_char - 0xA1 + else: + return -1 + + +class Big5DistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(Big5DistributionAnalysis, self).__init__() + self._char_to_freq_order = BIG5_CHAR_TO_FREQ_ORDER + self._table_size = BIG5_TABLE_SIZE + self.typical_distribution_ratio = BIG5_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for big5 encoding, we are interested + # first byte range: 0xa4 -- 0xfe + # second byte range: 0x40 -- 0x7e , 0xa1 -- 0xfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if first_char >= 0xA4: + if second_char >= 0xA1: + return 157 * (first_char - 0xA4) + second_char - 0xA1 + 63 + else: + return 157 * (first_char - 0xA4) + second_char - 0x40 + else: + return -1 + + +class SJISDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(SJISDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for sjis encoding, we are interested + # first byte range: 0x81 -- 0x9f , 0xe0 -- 0xfe + # second byte range: 0x40 -- 0x7e, 0x81 -- oxfe + # no validation needed here. State machine has done that + first_char, second_char = byte_str[0], byte_str[1] + if (first_char >= 0x81) and (first_char <= 0x9F): + order = 188 * (first_char - 0x81) + elif (first_char >= 0xE0) and (first_char <= 0xEF): + order = 188 * (first_char - 0xE0 + 31) + else: + return -1 + order = order + second_char - 0x40 + if second_char > 0x7F: + order = -1 + return order + + +class EUCJPDistributionAnalysis(CharDistributionAnalysis): + def __init__(self): + super(EUCJPDistributionAnalysis, self).__init__() + self._char_to_freq_order = JIS_CHAR_TO_FREQ_ORDER + self._table_size = JIS_TABLE_SIZE + self.typical_distribution_ratio = JIS_TYPICAL_DISTRIBUTION_RATIO + + def get_order(self, byte_str): + # for euc-JP encoding, we are interested + # first byte range: 0xa0 -- 0xfe + # second byte range: 0xa1 -- 0xfe + # no validation needed here. State machine has done that + char = byte_str[0] + if char >= 0xA0: + return 94 * (char - 0xA1) + byte_str[1] - 0xa1 + else: + return -1 diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/charsetgroupprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/charsetgroupprober.py new file mode 100644 index 0000000..5812cef --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/charsetgroupprober.py @@ -0,0 +1,107 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState +from .charsetprober import CharSetProber + + +class CharSetGroupProber(CharSetProber): + def __init__(self, lang_filter=None): + super(CharSetGroupProber, self).__init__(lang_filter=lang_filter) + self._active_num = 0 + self.probers = [] + self._best_guess_prober = None + + def reset(self): + super(CharSetGroupProber, self).reset() + self._active_num = 0 + for prober in self.probers: + if prober: + prober.reset() + prober.active = True + self._active_num += 1 + self._best_guess_prober = None + + @property + def charset_name(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.charset_name + + @property + def language(self): + if not self._best_guess_prober: + self.get_confidence() + if not self._best_guess_prober: + return None + return self._best_guess_prober.language + + def feed(self, byte_str): + for prober in self.probers: + if not prober: + continue + if not prober.active: + continue + state = prober.feed(byte_str) + if not state: + continue + if state == ProbingState.FOUND_IT: + self._best_guess_prober = prober + self._state = ProbingState.FOUND_IT + return self.state + elif state == ProbingState.NOT_ME: + prober.active = False + self._active_num -= 1 + if self._active_num <= 0: + self._state = ProbingState.NOT_ME + return self.state + return self.state + + def get_confidence(self): + state = self.state + if state == ProbingState.FOUND_IT: + return 0.99 + elif state == ProbingState.NOT_ME: + return 0.01 + best_conf = 0.0 + self._best_guess_prober = None + for prober in self.probers: + if not prober: + continue + if not prober.active: + self.logger.debug('%s not active', prober.charset_name) + continue + conf = prober.get_confidence() + self.logger.debug('%s %s confidence = %s', prober.charset_name, prober.language, conf) + if best_conf < conf: + best_conf = conf + self._best_guess_prober = prober + if not self._best_guess_prober: + return 0.0 + return best_conf diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/charsetprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/charsetprober.py new file mode 100644 index 0000000..eac4e59 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/charsetprober.py @@ -0,0 +1,145 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging +import re + +from .enums import ProbingState + + +class CharSetProber(object): + + SHORTCUT_THRESHOLD = 0.95 + + def __init__(self, lang_filter=None): + self._state = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + + def reset(self): + self._state = ProbingState.DETECTING + + @property + def charset_name(self): + return None + + def feed(self, buf): + pass + + @property + def state(self): + return self._state + + def get_confidence(self): + return 0.0 + + @staticmethod + def filter_high_byte_only(buf): + buf = re.sub(b'([\x00-\x7F])+', b' ', buf) + return buf + + @staticmethod + def filter_international_words(buf): + """ + We define three types of bytes: + alphabet: english alphabets [a-zA-Z] + international: international characters [\x80-\xFF] + marker: everything else [^a-zA-Z\x80-\xFF] + + The input buffer can be thought to contain a series of words delimited + by markers. This function works to filter all words that contain at + least one international character. All contiguous sequences of markers + are replaced by a single space ascii character. + + This filter applies to all scripts which do not use English characters. + """ + filtered = bytearray() + + # This regex expression filters out only words that have at-least one + # international character. The word may include one marker character at + # the end. + words = re.findall(b'[a-zA-Z]*[\x80-\xFF]+[a-zA-Z]*[^a-zA-Z\x80-\xFF]?', + buf) + + for word in words: + filtered.extend(word[:-1]) + + # If the last character in the word is a marker, replace it with a + # space as markers shouldn't affect our analysis (they are used + # similarly across all languages and may thus have similar + # frequencies). + last_char = word[-1:] + if not last_char.isalpha() and last_char < b'\x80': + last_char = b' ' + filtered.extend(last_char) + + return filtered + + @staticmethod + def filter_with_english_letters(buf): + """ + Returns a copy of ``buf`` that retains only the sequences of English + alphabet and high byte characters that are not between <> characters. + Also retains English alphabet and high byte characters immediately + before occurrences of >. + + This filter can be applied to all scripts which contain both English + characters and extended ASCII characters, but is currently only used by + ``Latin1Prober``. + """ + filtered = bytearray() + in_tag = False + prev = 0 + + for curr in range(len(buf)): + # Slice here to get bytes instead of an int with Python 3 + buf_char = buf[curr:curr + 1] + # Check if we're coming out of or entering an HTML tag + if buf_char == b'>': + in_tag = False + elif buf_char == b'<': + in_tag = True + + # If current character is not extended-ASCII and not alphabetic... + if buf_char < b'\x80' and not buf_char.isalpha(): + # ...and we're not in a tag + if curr > prev and not in_tag: + # Keep everything after last non-extended-ASCII, + # non-alphabetic character + filtered.extend(buf[prev:curr]) + # Output a space to delimit stretch we kept + filtered.extend(b' ') + prev = curr + 1 + + # If we're not in a tag... + if not in_tag: + # Keep everything after last non-extended-ASCII, non-alphabetic + # character + filtered.extend(buf[prev:]) + + return filtered diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/cli/__init__.py b/backend/mb-env/lib/python3.9/site-packages/chardet/cli/__init__.py new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/cli/__init__.py @@ -0,0 +1 @@ + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/cli/chardetect.py b/backend/mb-env/lib/python3.9/site-packages/chardet/cli/chardetect.py new file mode 100644 index 0000000..e1d8cd6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/cli/chardetect.py @@ -0,0 +1,84 @@ +""" +Script which takes one or more file paths and reports on their detected +encodings + +Example:: + + % chardetect somefile someotherfile + somefile: windows-1252 with confidence 0.5 + someotherfile: ascii with confidence 1.0 + +If no paths are provided, it takes its input from stdin. + +""" + +from __future__ import absolute_import, print_function, unicode_literals + +import argparse +import sys + +from chardet import __version__ +from chardet.compat import PY2 +from chardet.universaldetector import UniversalDetector + + +def description_of(lines, name='stdin'): + """ + Return a string describing the probable encoding of a file or + list of strings. + + :param lines: The lines to get the encoding of. + :type lines: Iterable of bytes + :param name: Name of file or collection of lines + :type name: str + """ + u = UniversalDetector() + for line in lines: + line = bytearray(line) + u.feed(line) + # shortcut out of the loop to save reading further - particularly useful if we read a BOM. + if u.done: + break + u.close() + result = u.result + if PY2: + name = name.decode(sys.getfilesystemencoding(), 'ignore') + if result['encoding']: + return '{}: {} with confidence {}'.format(name, result['encoding'], + result['confidence']) + else: + return '{}: no result'.format(name) + + +def main(argv=None): + """ + Handles command line arguments and gets things started. + + :param argv: List of arguments, as if specified on the command-line. + If None, ``sys.argv[1:]`` is used instead. + :type argv: list of str + """ + # Get command line arguments + parser = argparse.ArgumentParser( + description="Takes one or more file paths and reports their detected \ + encodings") + parser.add_argument('input', + help='File whose encoding we would like to determine. \ + (default: stdin)', + type=argparse.FileType('rb'), nargs='*', + default=[sys.stdin if PY2 else sys.stdin.buffer]) + parser.add_argument('--version', action='version', + version='%(prog)s {}'.format(__version__)) + args = parser.parse_args(argv) + + for f in args.input: + if f.isatty(): + print("You are running chardetect interactively. Press " + + "CTRL-D twice at the start of a blank line to signal the " + + "end of your input. If you want help, run chardetect " + + "--help\n", file=sys.stderr) + print(description_of(f, f.name)) + + +if __name__ == '__main__': + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/codingstatemachine.py b/backend/mb-env/lib/python3.9/site-packages/chardet/codingstatemachine.py new file mode 100644 index 0000000..68fba44 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/codingstatemachine.py @@ -0,0 +1,88 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import logging + +from .enums import MachineState + + +class CodingStateMachine(object): + """ + A state machine to verify a byte sequence for a particular encoding. For + each byte the detector receives, it will feed that byte to every active + state machine available, one byte at a time. The state machine changes its + state based on its previous state and the byte it receives. There are 3 + states in a state machine that are of interest to an auto-detector: + + START state: This is the state to start with, or a legal byte sequence + (i.e. a valid code point) for character has been identified. + + ME state: This indicates that the state machine identified a byte sequence + that is specific to the charset it is designed for and that + there is no other possible encoding which can contain this byte + sequence. This will to lead to an immediate positive answer for + the detector. + + ERROR state: This indicates the state machine identified an illegal byte + sequence for that encoding. This will lead to an immediate + negative answer for this encoding. Detector will exclude this + encoding from consideration from here on. + """ + def __init__(self, sm): + self._model = sm + self._curr_byte_pos = 0 + self._curr_char_len = 0 + self._curr_state = None + self.logger = logging.getLogger(__name__) + self.reset() + + def reset(self): + self._curr_state = MachineState.START + + def next_state(self, c): + # for each byte we get its class + # if it is first byte, we also get byte length + byte_class = self._model['class_table'][c] + if self._curr_state == MachineState.START: + self._curr_byte_pos = 0 + self._curr_char_len = self._model['char_len_table'][byte_class] + # from byte's class and state_table, we get its next state + curr_state = (self._curr_state * self._model['class_factor'] + + byte_class) + self._curr_state = self._model['state_table'][curr_state] + self._curr_byte_pos += 1 + return self._curr_state + + def get_current_charlen(self): + return self._curr_char_len + + def get_coding_state_machine(self): + return self._model['name'] + + @property + def language(self): + return self._model['language'] diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/compat.py b/backend/mb-env/lib/python3.9/site-packages/chardet/compat.py new file mode 100644 index 0000000..8941572 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/compat.py @@ -0,0 +1,36 @@ +######################## BEGIN LICENSE BLOCK ######################## +# Contributor(s): +# Dan Blanchard +# Ian Cordasco +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +import sys + + +if sys.version_info < (3, 0): + PY2 = True + PY3 = False + string_types = (str, unicode) + text_type = unicode + iteritems = dict.iteritems +else: + PY2 = False + PY3 = True + string_types = (bytes, str) + text_type = str + iteritems = dict.items diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/cp949prober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/cp949prober.py new file mode 100644 index 0000000..efd793a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/cp949prober.py @@ -0,0 +1,49 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .chardistribution import EUCKRDistributionAnalysis +from .codingstatemachine import CodingStateMachine +from .mbcharsetprober import MultiByteCharSetProber +from .mbcssm import CP949_SM_MODEL + + +class CP949Prober(MultiByteCharSetProber): + def __init__(self): + super(CP949Prober, self).__init__() + self.coding_sm = CodingStateMachine(CP949_SM_MODEL) + # NOTE: CP949 is a superset of EUC-KR, so the distribution should be + # not different. + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "CP949" + + @property + def language(self): + return "Korean" diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/enums.py b/backend/mb-env/lib/python3.9/site-packages/chardet/enums.py new file mode 100644 index 0000000..0451207 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/enums.py @@ -0,0 +1,76 @@ +""" +All of the Enums that are used throughout the chardet package. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + + +class InputState(object): + """ + This enum represents the different states a universal detector can be in. + """ + PURE_ASCII = 0 + ESC_ASCII = 1 + HIGH_BYTE = 2 + + +class LanguageFilter(object): + """ + This enum represents the different language filters we can apply to a + ``UniversalDetector``. + """ + CHINESE_SIMPLIFIED = 0x01 + CHINESE_TRADITIONAL = 0x02 + JAPANESE = 0x04 + KOREAN = 0x08 + NON_CJK = 0x10 + ALL = 0x1F + CHINESE = CHINESE_SIMPLIFIED | CHINESE_TRADITIONAL + CJK = CHINESE | JAPANESE | KOREAN + + +class ProbingState(object): + """ + This enum represents the different states a prober can be in. + """ + DETECTING = 0 + FOUND_IT = 1 + NOT_ME = 2 + + +class MachineState(object): + """ + This enum represents the different states a state machine can be in. + """ + START = 0 + ERROR = 1 + ITS_ME = 2 + + +class SequenceLikelihood(object): + """ + This enum represents the likelihood of a character following the previous one. + """ + NEGATIVE = 0 + UNLIKELY = 1 + LIKELY = 2 + POSITIVE = 3 + + @classmethod + def get_num_categories(cls): + """:returns: The number of likelihood categories in the enum.""" + return 4 + + +class CharacterCategory(object): + """ + This enum represents the different categories language models for + ``SingleByteCharsetProber`` put characters into. + + Anything less than CONTROL is considered a letter. + """ + UNDEFINED = 255 + LINE_BREAK = 254 + SYMBOL = 253 + DIGIT = 252 + CONTROL = 251 diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/escprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/escprober.py new file mode 100644 index 0000000..c70493f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/escprober.py @@ -0,0 +1,101 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .codingstatemachine import CodingStateMachine +from .enums import LanguageFilter, ProbingState, MachineState +from .escsm import (HZ_SM_MODEL, ISO2022CN_SM_MODEL, ISO2022JP_SM_MODEL, + ISO2022KR_SM_MODEL) + + +class EscCharSetProber(CharSetProber): + """ + This CharSetProber uses a "code scheme" approach for detecting encodings, + whereby easily recognizable escape or shift sequences are relied on to + identify these encodings. + """ + + def __init__(self, lang_filter=None): + super(EscCharSetProber, self).__init__(lang_filter=lang_filter) + self.coding_sm = [] + if self.lang_filter & LanguageFilter.CHINESE_SIMPLIFIED: + self.coding_sm.append(CodingStateMachine(HZ_SM_MODEL)) + self.coding_sm.append(CodingStateMachine(ISO2022CN_SM_MODEL)) + if self.lang_filter & LanguageFilter.JAPANESE: + self.coding_sm.append(CodingStateMachine(ISO2022JP_SM_MODEL)) + if self.lang_filter & LanguageFilter.KOREAN: + self.coding_sm.append(CodingStateMachine(ISO2022KR_SM_MODEL)) + self.active_sm_count = None + self._detected_charset = None + self._detected_language = None + self._state = None + self.reset() + + def reset(self): + super(EscCharSetProber, self).reset() + for coding_sm in self.coding_sm: + if not coding_sm: + continue + coding_sm.active = True + coding_sm.reset() + self.active_sm_count = len(self.coding_sm) + self._detected_charset = None + self._detected_language = None + + @property + def charset_name(self): + return self._detected_charset + + @property + def language(self): + return self._detected_language + + def get_confidence(self): + if self._detected_charset: + return 0.99 + else: + return 0.00 + + def feed(self, byte_str): + for c in byte_str: + for coding_sm in self.coding_sm: + if not coding_sm or not coding_sm.active: + continue + coding_state = coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + coding_sm.active = False + self.active_sm_count -= 1 + if self.active_sm_count <= 0: + self._state = ProbingState.NOT_ME + return self.state + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + self._detected_charset = coding_sm.get_coding_state_machine() + self._detected_language = coding_sm.language + return self.state + + return self.state diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/escsm.py b/backend/mb-env/lib/python3.9/site-packages/chardet/escsm.py new file mode 100644 index 0000000..0069523 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/escsm.py @@ -0,0 +1,246 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +HZ_CLS = ( +1,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,0,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,4,0,5,2,0, # 78 - 7f +1,1,1,1,1,1,1,1, # 80 - 87 +1,1,1,1,1,1,1,1, # 88 - 8f +1,1,1,1,1,1,1,1, # 90 - 97 +1,1,1,1,1,1,1,1, # 98 - 9f +1,1,1,1,1,1,1,1, # a0 - a7 +1,1,1,1,1,1,1,1, # a8 - af +1,1,1,1,1,1,1,1, # b0 - b7 +1,1,1,1,1,1,1,1, # b8 - bf +1,1,1,1,1,1,1,1, # c0 - c7 +1,1,1,1,1,1,1,1, # c8 - cf +1,1,1,1,1,1,1,1, # d0 - d7 +1,1,1,1,1,1,1,1, # d8 - df +1,1,1,1,1,1,1,1, # e0 - e7 +1,1,1,1,1,1,1,1, # e8 - ef +1,1,1,1,1,1,1,1, # f0 - f7 +1,1,1,1,1,1,1,1, # f8 - ff +) + +HZ_ST = ( +MachineState.START,MachineState.ERROR, 3,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START, 4,MachineState.ERROR,# 10-17 + 5,MachineState.ERROR, 6,MachineState.ERROR, 5, 5, 4,MachineState.ERROR,# 18-1f + 4,MachineState.ERROR, 4, 4, 4,MachineState.ERROR, 4,MachineState.ERROR,# 20-27 + 4,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 28-2f +) + +HZ_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +HZ_SM_MODEL = {'class_table': HZ_CLS, + 'class_factor': 6, + 'state_table': HZ_ST, + 'char_len_table': HZ_CHAR_LEN_TABLE, + 'name': "HZ-GB-2312", + 'language': 'Chinese'} + +ISO2022CN_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,0,0,0,0, # 20 - 27 +0,3,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,4,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022CN_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 20-27 + 5, 6,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,# 38-3f +) + +ISO2022CN_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022CN_SM_MODEL = {'class_table': ISO2022CN_CLS, + 'class_factor': 9, + 'state_table': ISO2022CN_ST, + 'char_len_table': ISO2022CN_CHAR_LEN_TABLE, + 'name': "ISO-2022-CN", + 'language': 'Chinese'} + +ISO2022JP_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,2,2, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,7,0,0,0, # 20 - 27 +3,0,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +6,0,4,0,8,0,0,0, # 40 - 47 +0,9,5,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022JP_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 00-07 +MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 08-0f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 10-17 +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 20-27 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 6,MachineState.ITS_ME,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,# 28-2f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,# 30-37 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 38-3f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.START,# 40-47 +) + +ISO2022JP_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + +ISO2022JP_SM_MODEL = {'class_table': ISO2022JP_CLS, + 'class_factor': 10, + 'state_table': ISO2022JP_ST, + 'char_len_table': ISO2022JP_CHAR_LEN_TABLE, + 'name': "ISO-2022-JP", + 'language': 'Japanese'} + +ISO2022KR_CLS = ( +2,0,0,0,0,0,0,0, # 00 - 07 +0,0,0,0,0,0,0,0, # 08 - 0f +0,0,0,0,0,0,0,0, # 10 - 17 +0,0,0,1,0,0,0,0, # 18 - 1f +0,0,0,0,3,0,0,0, # 20 - 27 +0,4,0,0,0,0,0,0, # 28 - 2f +0,0,0,0,0,0,0,0, # 30 - 37 +0,0,0,0,0,0,0,0, # 38 - 3f +0,0,0,5,0,0,0,0, # 40 - 47 +0,0,0,0,0,0,0,0, # 48 - 4f +0,0,0,0,0,0,0,0, # 50 - 57 +0,0,0,0,0,0,0,0, # 58 - 5f +0,0,0,0,0,0,0,0, # 60 - 67 +0,0,0,0,0,0,0,0, # 68 - 6f +0,0,0,0,0,0,0,0, # 70 - 77 +0,0,0,0,0,0,0,0, # 78 - 7f +2,2,2,2,2,2,2,2, # 80 - 87 +2,2,2,2,2,2,2,2, # 88 - 8f +2,2,2,2,2,2,2,2, # 90 - 97 +2,2,2,2,2,2,2,2, # 98 - 9f +2,2,2,2,2,2,2,2, # a0 - a7 +2,2,2,2,2,2,2,2, # a8 - af +2,2,2,2,2,2,2,2, # b0 - b7 +2,2,2,2,2,2,2,2, # b8 - bf +2,2,2,2,2,2,2,2, # c0 - c7 +2,2,2,2,2,2,2,2, # c8 - cf +2,2,2,2,2,2,2,2, # d0 - d7 +2,2,2,2,2,2,2,2, # d8 - df +2,2,2,2,2,2,2,2, # e0 - e7 +2,2,2,2,2,2,2,2, # e8 - ef +2,2,2,2,2,2,2,2, # f0 - f7 +2,2,2,2,2,2,2,2, # f8 - ff +) + +ISO2022KR_ST = ( +MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,# 00-07 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,# 08-0f +MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 4,MachineState.ERROR,MachineState.ERROR,# 10-17 +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,# 18-1f +MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.START,MachineState.START,MachineState.START,MachineState.START,# 20-27 +) + +ISO2022KR_CHAR_LEN_TABLE = (0, 0, 0, 0, 0, 0) + +ISO2022KR_SM_MODEL = {'class_table': ISO2022KR_CLS, + 'class_factor': 6, + 'state_table': ISO2022KR_ST, + 'char_len_table': ISO2022KR_CHAR_LEN_TABLE, + 'name': "ISO-2022-KR", + 'language': 'Korean'} + + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/eucjpprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/eucjpprober.py new file mode 100644 index 0000000..20ce8f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/eucjpprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import ProbingState, MachineState +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCJPDistributionAnalysis +from .jpcntx import EUCJPContextAnalysis +from .mbcssm import EUCJP_SM_MODEL + + +class EUCJPProber(MultiByteCharSetProber): + def __init__(self): + super(EUCJPProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCJP_SM_MODEL) + self.distribution_analyzer = EUCJPDistributionAnalysis() + self.context_analyzer = EUCJPContextAnalysis() + self.reset() + + def reset(self): + super(EUCJPProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return "EUC-JP" + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + # PY3K: byte_str is a byte array, so byte_str[i] is an int, not a byte + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char, char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/euckrfreq.py b/backend/mb-env/lib/python3.9/site-packages/chardet/euckrfreq.py new file mode 100644 index 0000000..b68078c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/euckrfreq.py @@ -0,0 +1,195 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology + +# 128 --> 0.79 +# 256 --> 0.92 +# 512 --> 0.986 +# 1024 --> 0.99944 +# 2048 --> 0.99999 +# +# Idea Distribution Ratio = 0.98653 / (1-0.98653) = 73.24 +# Random Distribution Ration = 512 / (2350-512) = 0.279. +# +# Typical Distribution Ratio + +EUCKR_TYPICAL_DISTRIBUTION_RATIO = 6.0 + +EUCKR_TABLE_SIZE = 2352 + +# Char to FreqOrder table , +EUCKR_CHAR_TO_FREQ_ORDER = ( + 13, 130, 120,1396, 481,1719,1720, 328, 609, 212,1721, 707, 400, 299,1722, 87, +1397,1723, 104, 536,1117,1203,1724,1267, 685,1268, 508,1725,1726,1727,1728,1398, +1399,1729,1730,1731, 141, 621, 326,1057, 368,1732, 267, 488, 20,1733,1269,1734, + 945,1400,1735, 47, 904,1270,1736,1737, 773, 248,1738, 409, 313, 786, 429,1739, + 116, 987, 813,1401, 683, 75,1204, 145,1740,1741,1742,1743, 16, 847, 667, 622, + 708,1744,1745,1746, 966, 787, 304, 129,1747, 60, 820, 123, 676,1748,1749,1750, +1751, 617,1752, 626,1753,1754,1755,1756, 653,1757,1758,1759,1760,1761,1762, 856, + 344,1763,1764,1765,1766, 89, 401, 418, 806, 905, 848,1767,1768,1769, 946,1205, + 709,1770,1118,1771, 241,1772,1773,1774,1271,1775, 569,1776, 999,1777,1778,1779, +1780, 337, 751,1058, 28, 628, 254,1781, 177, 906, 270, 349, 891,1079,1782, 19, +1783, 379,1784, 315,1785, 629, 754,1402, 559,1786, 636, 203,1206,1787, 710, 567, +1788, 935, 814,1789,1790,1207, 766, 528,1791,1792,1208,1793,1794,1795,1796,1797, +1403,1798,1799, 533,1059,1404,1405,1156,1406, 936, 884,1080,1800, 351,1801,1802, +1803,1804,1805, 801,1806,1807,1808,1119,1809,1157, 714, 474,1407,1810, 298, 899, + 885,1811,1120, 802,1158,1812, 892,1813,1814,1408, 659,1815,1816,1121,1817,1818, +1819,1820,1821,1822, 319,1823, 594, 545,1824, 815, 937,1209,1825,1826, 573,1409, +1022,1827,1210,1828,1829,1830,1831,1832,1833, 556, 722, 807,1122,1060,1834, 697, +1835, 900, 557, 715,1836,1410, 540,1411, 752,1159, 294, 597,1211, 976, 803, 770, +1412,1837,1838, 39, 794,1413, 358,1839, 371, 925,1840, 453, 661, 788, 531, 723, + 544,1023,1081, 869, 91,1841, 392, 430, 790, 602,1414, 677,1082, 457,1415,1416, +1842,1843, 475, 327,1024,1417, 795, 121,1844, 733, 403,1418,1845,1846,1847, 300, + 119, 711,1212, 627,1848,1272, 207,1849,1850, 796,1213, 382,1851, 519,1852,1083, + 893,1853,1854,1855, 367, 809, 487, 671,1856, 663,1857,1858, 956, 471, 306, 857, +1859,1860,1160,1084,1861,1862,1863,1864,1865,1061,1866,1867,1868,1869,1870,1871, + 282, 96, 574,1872, 502,1085,1873,1214,1874, 907,1875,1876, 827, 977,1419,1420, +1421, 268,1877,1422,1878,1879,1880, 308,1881, 2, 537,1882,1883,1215,1884,1885, + 127, 791,1886,1273,1423,1887, 34, 336, 404, 643,1888, 571, 654, 894, 840,1889, + 0, 886,1274, 122, 575, 260, 908, 938,1890,1275, 410, 316,1891,1892, 100,1893, +1894,1123, 48,1161,1124,1025,1895, 633, 901,1276,1896,1897, 115, 816,1898, 317, +1899, 694,1900, 909, 734,1424, 572, 866,1425, 691, 85, 524,1010, 543, 394, 841, +1901,1902,1903,1026,1904,1905,1906,1907,1908,1909, 30, 451, 651, 988, 310,1910, +1911,1426, 810,1216, 93,1912,1913,1277,1217,1914, 858, 759, 45, 58, 181, 610, + 269,1915,1916, 131,1062, 551, 443,1000, 821,1427, 957, 895,1086,1917,1918, 375, +1919, 359,1920, 687,1921, 822,1922, 293,1923,1924, 40, 662, 118, 692, 29, 939, + 887, 640, 482, 174,1925, 69,1162, 728,1428, 910,1926,1278,1218,1279, 386, 870, + 217, 854,1163, 823,1927,1928,1929,1930, 834,1931, 78,1932, 859,1933,1063,1934, +1935,1936,1937, 438,1164, 208, 595,1938,1939,1940,1941,1219,1125,1942, 280, 888, +1429,1430,1220,1431,1943,1944,1945,1946,1947,1280, 150, 510,1432,1948,1949,1950, +1951,1952,1953,1954,1011,1087,1955,1433,1043,1956, 881,1957, 614, 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463,1188,2495, 125, 812, 391, 402, 826, 699, 286, 398, 155, 781, 771, + 585,2496, 590, 505,1073,2497, 599, 244, 219, 917,1018, 952, 646,1523,2498,1323, +2499,2500, 49, 984, 354, 741,2501, 625,2502,1324,2503,1019, 190, 357, 757, 491, + 95, 782, 868,2504,2505,2506,2507,2508,2509, 134,1524,1074, 422,1525, 898,2510, + 161,2511,2512,2513,2514, 769,2515,1526,2516,2517, 411,1325,2518, 472,1527,2519, +2520,2521,2522,2523,2524, 985,2525,2526,2527,2528,2529,2530, 764,2531,1245,2532, +2533, 25, 204, 311,2534, 496,2535,1052,2536,2537,2538,2539,2540,2541,2542, 199, + 704, 504, 468, 758, 657,1528, 196, 44, 839,1246, 272, 750,2543, 765, 862,2544, +2545,1326,2546, 132, 615, 933,2547, 732,2548,2549,2550,1189,1529,2551, 283,1247, +1053, 607, 929,2552,2553,2554, 930, 183, 872, 616,1040,1147,2555,1148,1020, 441, + 249,1075,2556,2557,2558, 466, 743,2559,2560,2561, 92, 514, 426, 420, 526,2562, +2563,2564,2565,2566,2567,2568, 185,2569,2570,2571,2572, 776,1530, 658,2573, 362, +2574, 361, 922,1076, 793,2575,2576,2577,2578,2579,2580,1531, 251,2581,2582,2583, +2584,1532, 54, 612, 237,1327,2585,2586, 275, 408, 647, 111,2587,1533,1106, 465, + 3, 458, 9, 38,2588, 107, 110, 890, 209, 26, 737, 498,2589,1534,2590, 431, + 202, 88,1535, 356, 287,1107, 660,1149,2591, 381,1536, 986,1150, 445,1248,1151, + 974,2592,2593, 846,2594, 446, 953, 184,1249,1250, 727,2595, 923, 193, 883,2596, +2597,2598, 102, 324, 539, 817,2599, 421,1041,2600, 832,2601, 94, 175, 197, 406, +2602, 459,2603,2604,2605,2606,2607, 330, 555,2608,2609,2610, 706,1108, 389,2611, +2612,2613,2614, 233,2615, 833, 558, 931, 954,1251,2616,2617,1537, 546,2618,2619, +1009,2620,2621,2622,1538, 690,1328,2623, 955,2624,1539,2625,2626, 772,2627,2628, +2629,2630,2631, 924, 648, 863, 603,2632,2633, 934,1540, 864, 865,2634, 642,1042, + 670,1190,2635,2636,2637,2638, 168,2639, 652, 873, 542,1054,1541,2640,2641,2642, # 512, 256 +) + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/euckrprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/euckrprober.py new file mode 100644 index 0000000..345a060 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/euckrprober.py @@ -0,0 +1,47 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCKRDistributionAnalysis +from .mbcssm import EUCKR_SM_MODEL + + +class EUCKRProber(MultiByteCharSetProber): + def __init__(self): + super(EUCKRProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCKR_SM_MODEL) + self.distribution_analyzer = EUCKRDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-KR" + + @property + def language(self): + return "Korean" diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/euctwfreq.py b/backend/mb-env/lib/python3.9/site-packages/chardet/euctwfreq.py new file mode 100644 index 0000000..ed7a995 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/euctwfreq.py @@ -0,0 +1,387 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# EUCTW frequency table +# Converted from big5 work +# by Taiwan's Mandarin Promotion Council +# + +# 128 --> 0.42261 +# 256 --> 0.57851 +# 512 --> 0.74851 +# 1024 --> 0.89384 +# 2048 --> 0.97583 +# +# Idea Distribution Ratio = 0.74851/(1-0.74851) =2.98 +# Random Distribution Ration = 512/(5401-512)=0.105 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher than RDR + +EUCTW_TYPICAL_DISTRIBUTION_RATIO = 0.75 + +# Char to FreqOrder table , +EUCTW_TABLE_SIZE = 5376 + +EUCTW_CHAR_TO_FREQ_ORDER = ( + 1,1800,1506, 255,1431, 198, 9, 82, 6,7310, 177, 202,3615,1256,2808, 110, # 2742 +3735, 33,3241, 261, 76, 44,2113, 16,2931,2184,1176, 659,3868, 26,3404,2643, # 2758 +1198,3869,3313,4060, 410,2211, 302, 590, 361,1963, 8, 204, 58,4296,7311,1931, # 2774 + 63,7312,7313, 317,1614, 75, 222, 159,4061,2412,1480,7314,3500,3068, 224,2809, # 2790 +3616, 3, 10,3870,1471, 29,2774,1135,2852,1939, 873, 130,3242,1123, 312,7315, # 2806 +4297,2051, 507, 252, 682,7316, 142,1914, 124, 206,2932, 34,3501,3173, 64, 604, # 2822 +7317,2494,1976,1977, 155,1990, 645, 641,1606,7318,3405, 337, 72, 406,7319, 80, # 2838 + 630, 238,3174,1509, 263, 939,1092,2644, 756,1440,1094,3406, 449, 69,2969, 591, # 2854 + 179,2095, 471, 115,2034,1843, 60, 50,2970, 134, 806,1868, 734,2035,3407, 180, # 2870 + 995,1607, 156, 537,2893, 688,7320, 319,1305, 779,2144, 514,2374, 298,4298, 359, # 2886 +2495, 90,2707,1338, 663, 11, 906,1099,2545, 20,2436, 182, 532,1716,7321, 732, # 2902 +1376,4062,1311,1420,3175, 25,2312,1056, 113, 399, 382,1949, 242,3408,2467, 529, # 2918 +3243, 475,1447,3617,7322, 117, 21, 656, 810,1297,2295,2329,3502,7323, 126,4063, # 2934 + 706, 456, 150, 613,4299, 71,1118,2036,4064, 145,3069, 85, 835, 486,2114,1246, # 2950 +1426, 428, 727,1285,1015, 800, 106, 623, 303,1281,7324,2127,2354, 347,3736, 221, # 2966 +3503,3110,7325,1955,1153,4065, 83, 296,1199,3070, 192, 624, 93,7326, 822,1897, # 2982 +2810,3111, 795,2064, 991,1554,1542,1592, 27, 43,2853, 859, 139,1456, 860,4300, # 2998 + 437, 712,3871, 164,2392,3112, 695, 211,3017,2096, 195,3872,1608,3504,3505,3618, # 3014 +3873, 234, 811,2971,2097,3874,2229,1441,3506,1615,2375, 668,2076,1638, 305, 228, # 3030 +1664,4301, 467, 415,7327, 262,2098,1593, 239, 108, 300, 200,1033, 512,1247,2077, # 3046 +7328,7329,2173,3176,3619,2673, 593, 845,1062,3244, 88,1723,2037,3875,1950, 212, # 3062 + 266, 152, 149, 468,1898,4066,4302, 77, 187,7330,3018, 37, 5,2972,7331,3876, # 3078 +7332,7333, 39,2517,4303,2894,3177,2078, 55, 148, 74,4304, 545, 483,1474,1029, # 3094 +1665, 217,1869,1531,3113,1104,2645,4067, 24, 172,3507, 900,3877,3508,3509,4305, # 3110 + 32,1408,2811,1312, 329, 487,2355,2247,2708, 784,2674, 4,3019,3314,1427,1788, # 3126 + 188, 109, 499,7334,3620,1717,1789, 888,1217,3020,4306,7335,3510,7336,3315,1520, # 3142 +3621,3878, 196,1034, 775,7337,7338, 929,1815, 249, 439, 38,7339,1063,7340, 794, # 3158 +3879,1435,2296, 46, 178,3245,2065,7341,2376,7342, 214,1709,4307, 804, 35, 707, # 3174 + 324,3622,1601,2546, 140, 459,4068,7343,7344,1365, 839, 272, 978,2257,2572,3409, # 3190 +2128,1363,3623,1423, 697, 100,3071, 48, 70,1231, 495,3114,2193,7345,1294,7346, # 3206 +2079, 462, 586,1042,3246, 853, 256, 988, 185,2377,3410,1698, 434,1084,7347,3411, # 3222 + 314,2615,2775,4308,2330,2331, 569,2280, 637,1816,2518, 757,1162,1878,1616,3412, # 3238 + 287,1577,2115, 768,4309,1671,2854,3511,2519,1321,3737, 909,2413,7348,4069, 933, # 3254 +3738,7349,2052,2356,1222,4310, 765,2414,1322, 786,4311,7350,1919,1462,1677,2895, # 3270 +1699,7351,4312,1424,2437,3115,3624,2590,3316,1774,1940,3413,3880,4070, 309,1369, # 3286 +1130,2812, 364,2230,1653,1299,3881,3512,3882,3883,2646, 525,1085,3021, 902,2000, # 3302 +1475, 964,4313, 421,1844,1415,1057,2281, 940,1364,3116, 376,4314,4315,1381, 7, # 3318 +2520, 983,2378, 336,1710,2675,1845, 321,3414, 559,1131,3022,2742,1808,1132,1313, # 3334 + 265,1481,1857,7352, 352,1203,2813,3247, 167,1089, 420,2814, 776, 792,1724,3513, # 3350 +4071,2438,3248,7353,4072,7354, 446, 229, 333,2743, 901,3739,1200,1557,4316,2647, # 3366 +1920, 395,2744,2676,3740,4073,1835, 125, 916,3178,2616,4317,7355,7356,3741,7357, # 3382 +7358,7359,4318,3117,3625,1133,2547,1757,3415,1510,2313,1409,3514,7360,2145, 438, # 3398 +2591,2896,2379,3317,1068, 958,3023, 461, 311,2855,2677,4074,1915,3179,4075,1978, # 3414 + 383, 750,2745,2617,4076, 274, 539, 385,1278,1442,7361,1154,1964, 384, 561, 210, # 3430 + 98,1295,2548,3515,7362,1711,2415,1482,3416,3884,2897,1257, 129,7363,3742, 642, # 3446 + 523,2776,2777,2648,7364, 141,2231,1333, 68, 176, 441, 876, 907,4077, 603,2592, # 3462 + 710, 171,3417, 404, 549, 18,3118,2393,1410,3626,1666,7365,3516,4319,2898,4320, # 3478 +7366,2973, 368,7367, 146, 366, 99, 871,3627,1543, 748, 807,1586,1185, 22,2258, # 3494 + 379,3743,3180,7368,3181, 505,1941,2618,1991,1382,2314,7369, 380,2357, 218, 702, # 3510 +1817,1248,3418,3024,3517,3318,3249,7370,2974,3628, 930,3250,3744,7371, 59,7372, # 3526 + 585, 601,4078, 497,3419,1112,1314,4321,1801,7373,1223,1472,2174,7374, 749,1836, # 3542 + 690,1899,3745,1772,3885,1476, 429,1043,1790,2232,2116, 917,4079, 447,1086,1629, # 3558 +7375, 556,7376,7377,2020,1654, 844,1090, 105, 550, 966,1758,2815,1008,1782, 686, # 3574 +1095,7378,2282, 793,1602,7379,3518,2593,4322,4080,2933,2297,4323,3746, 980,2496, # 3590 + 544, 353, 527,4324, 908,2678,2899,7380, 381,2619,1942,1348,7381,1341,1252, 560, # 3606 +3072,7382,3420,2856,7383,2053, 973, 886,2080, 143,4325,7384,7385, 157,3886, 496, # 3622 +4081, 57, 840, 540,2038,4326,4327,3421,2117,1445, 970,2259,1748,1965,2081,4082, # 3638 +3119,1234,1775,3251,2816,3629, 773,1206,2129,1066,2039,1326,3887,1738,1725,4083, # 3654 + 279,3120, 51,1544,2594, 423,1578,2130,2066, 173,4328,1879,7386,7387,1583, 264, # 3670 + 610,3630,4329,2439, 280, 154,7388,7389,7390,1739, 338,1282,3073, 693,2857,1411, # 3686 +1074,3747,2440,7391,4330,7392,7393,1240, 952,2394,7394,2900,1538,2679, 685,1483, # 3702 +4084,2468,1436, 953,4085,2054,4331, 671,2395, 79,4086,2441,3252, 608, 567,2680, # 3718 +3422,4087,4088,1691, 393,1261,1791,2396,7395,4332,7396,7397,7398,7399,1383,1672, # 3734 +3748,3182,1464, 522,1119, 661,1150, 216, 675,4333,3888,1432,3519, 609,4334,2681, # 3750 +2397,7400,7401,7402,4089,3025, 0,7403,2469, 315, 231,2442, 301,3319,4335,2380, # 3766 +7404, 233,4090,3631,1818,4336,4337,7405, 96,1776,1315,2082,7406, 257,7407,1809, # 3782 +3632,2709,1139,1819,4091,2021,1124,2163,2778,1777,2649,7408,3074, 363,1655,3183, # 3798 +7409,2975,7410,7411,7412,3889,1567,3890, 718, 103,3184, 849,1443, 341,3320,2934, # 3814 +1484,7413,1712, 127, 67, 339,4092,2398, 679,1412, 821,7414,7415, 834, 738, 351, # 3830 +2976,2146, 846, 235,1497,1880, 418,1992,3749,2710, 186,1100,2147,2746,3520,1545, # 3846 +1355,2935,2858,1377, 583,3891,4093,2573,2977,7416,1298,3633,1078,2549,3634,2358, # 3862 + 78,3750,3751, 267,1289,2099,2001,1594,4094, 348, 369,1274,2194,2175,1837,4338, # 3878 +1820,2817,3635,2747,2283,2002,4339,2936,2748, 144,3321, 882,4340,3892,2749,3423, # 3894 +4341,2901,7417,4095,1726, 320,7418,3893,3026, 788,2978,7419,2818,1773,1327,2859, # 3910 +3894,2819,7420,1306,4342,2003,1700,3752,3521,2359,2650, 787,2022, 506, 824,3636, # 3926 + 534, 323,4343,1044,3322,2023,1900, 946,3424,7421,1778,1500,1678,7422,1881,4344, # 3942 + 165, 243,4345,3637,2521, 123, 683,4096, 764,4346, 36,3895,1792, 589,2902, 816, # 3958 + 626,1667,3027,2233,1639,1555,1622,3753,3896,7423,3897,2860,1370,1228,1932, 891, # 3974 +2083,2903, 304,4097,7424, 292,2979,2711,3522, 691,2100,4098,1115,4347, 118, 662, # 3990 +7425, 611,1156, 854,2381,1316,2861, 2, 386, 515,2904,7426,7427,3253, 868,2234, # 4006 +1486, 855,2651, 785,2212,3028,7428,1040,3185,3523,7429,3121, 448,7430,1525,7431, # 4022 +2164,4348,7432,3754,7433,4099,2820,3524,3122, 503, 818,3898,3123,1568, 814, 676, # 4038 +1444, 306,1749,7434,3755,1416,1030, 197,1428, 805,2821,1501,4349,7435,7436,7437, # 4054 +1993,7438,4350,7439,7440,2195, 13,2779,3638,2980,3124,1229,1916,7441,3756,2131, # 4070 +7442,4100,4351,2399,3525,7443,2213,1511,1727,1120,7444,7445, 646,3757,2443, 307, # 4086 +7446,7447,1595,3186,7448,7449,7450,3639,1113,1356,3899,1465,2522,2523,7451, 519, # 4102 +7452, 128,2132, 92,2284,1979,7453,3900,1512, 342,3125,2196,7454,2780,2214,1980, # 4118 +3323,7455, 290,1656,1317, 789, 827,2360,7456,3758,4352, 562, 581,3901,7457, 401, # 4134 +4353,2248, 94,4354,1399,2781,7458,1463,2024,4355,3187,1943,7459, 828,1105,4101, # 4150 +1262,1394,7460,4102, 605,4356,7461,1783,2862,7462,2822, 819,2101, 578,2197,2937, # 4166 +7463,1502, 436,3254,4103,3255,2823,3902,2905,3425,3426,7464,2712,2315,7465,7466, # 4182 +2332,2067, 23,4357, 193, 826,3759,2102, 699,1630,4104,3075, 390,1793,1064,3526, # 4198 +7467,1579,3076,3077,1400,7468,4105,1838,1640,2863,7469,4358,4359, 137,4106, 598, # 4214 +3078,1966, 780, 104, 974,2938,7470, 278, 899, 253, 402, 572, 504, 493,1339,7471, # 4230 +3903,1275,4360,2574,2550,7472,3640,3029,3079,2249, 565,1334,2713, 863, 41,7473, # 4246 +7474,4361,7475,1657,2333, 19, 463,2750,4107, 606,7476,2981,3256,1087,2084,1323, # 4262 +2652,2982,7477,1631,1623,1750,4108,2682,7478,2864, 791,2714,2653,2334, 232,2416, # 4278 +7479,2983,1498,7480,2654,2620, 755,1366,3641,3257,3126,2025,1609, 119,1917,3427, # 4294 + 862,1026,4109,7481,3904,3760,4362,3905,4363,2260,1951,2470,7482,1125, 817,4110, # 4310 +4111,3906,1513,1766,2040,1487,4112,3030,3258,2824,3761,3127,7483,7484,1507,7485, # 4326 +2683, 733, 40,1632,1106,2865, 345,4113, 841,2524, 230,4364,2984,1846,3259,3428, # 4342 +7486,1263, 986,3429,7487, 735, 879, 254,1137, 857, 622,1300,1180,1388,1562,3907, # 4358 +3908,2939, 967,2751,2655,1349, 592,2133,1692,3324,2985,1994,4114,1679,3909,1901, # 4374 +2185,7488, 739,3642,2715,1296,1290,7489,4115,2198,2199,1921,1563,2595,2551,1870, # 4390 +2752,2986,7490, 435,7491, 343,1108, 596, 17,1751,4365,2235,3430,3643,7492,4366, # 4406 + 294,3527,2940,1693, 477, 979, 281,2041,3528, 643,2042,3644,2621,2782,2261,1031, # 4422 +2335,2134,2298,3529,4367, 367,1249,2552,7493,3530,7494,4368,1283,3325,2004, 240, # 4438 +1762,3326,4369,4370, 836,1069,3128, 474,7495,2148,2525, 268,3531,7496,3188,1521, # 4454 +1284,7497,1658,1546,4116,7498,3532,3533,7499,4117,3327,2684,1685,4118, 961,1673, # 4470 +2622, 190,2005,2200,3762,4371,4372,7500, 570,2497,3645,1490,7501,4373,2623,3260, # 4486 +1956,4374, 584,1514, 396,1045,1944,7502,4375,1967,2444,7503,7504,4376,3910, 619, # 4502 +7505,3129,3261, 215,2006,2783,2553,3189,4377,3190,4378, 763,4119,3763,4379,7506, # 4518 +7507,1957,1767,2941,3328,3646,1174, 452,1477,4380,3329,3130,7508,2825,1253,2382, # 4534 +2186,1091,2285,4120, 492,7509, 638,1169,1824,2135,1752,3911, 648, 926,1021,1324, # 4550 +4381, 520,4382, 997, 847,1007, 892,4383,3764,2262,1871,3647,7510,2400,1784,4384, # 4566 +1952,2942,3080,3191,1728,4121,2043,3648,4385,2007,1701,3131,1551, 30,2263,4122, # 4582 +7511,2026,4386,3534,7512, 501,7513,4123, 594,3431,2165,1821,3535,3432,3536,3192, # 4598 + 829,2826,4124,7514,1680,3132,1225,4125,7515,3262,4387,4126,3133,2336,7516,4388, # 4614 +4127,7517,3912,3913,7518,1847,2383,2596,3330,7519,4389, 374,3914, 652,4128,4129, # 4630 + 375,1140, 798,7520,7521,7522,2361,4390,2264, 546,1659, 138,3031,2445,4391,7523, # 4646 +2250, 612,1848, 910, 796,3765,1740,1371, 825,3766,3767,7524,2906,2554,7525, 692, # 4662 + 444,3032,2624, 801,4392,4130,7526,1491, 244,1053,3033,4131,4132, 340,7527,3915, # 4678 +1041,2987, 293,1168, 87,1357,7528,1539, 959,7529,2236, 721, 694,4133,3768, 219, # 4694 +1478, 644,1417,3331,2656,1413,1401,1335,1389,3916,7530,7531,2988,2362,3134,1825, # 4710 + 730,1515, 184,2827, 66,4393,7532,1660,2943, 246,3332, 378,1457, 226,3433, 975, # 4726 +3917,2944,1264,3537, 674, 696,7533, 163,7534,1141,2417,2166, 713,3538,3333,4394, # 4742 +3918,7535,7536,1186, 15,7537,1079,1070,7538,1522,3193,3539, 276,1050,2716, 758, # 4758 +1126, 653,2945,3263,7539,2337, 889,3540,3919,3081,2989, 903,1250,4395,3920,3434, # 4774 +3541,1342,1681,1718, 766,3264, 286, 89,2946,3649,7540,1713,7541,2597,3334,2990, # 4790 +7542,2947,2215,3194,2866,7543,4396,2498,2526, 181, 387,1075,3921, 731,2187,3335, # 4806 +7544,3265, 310, 313,3435,2299, 770,4134, 54,3034, 189,4397,3082,3769,3922,7545, # 4822 +1230,1617,1849, 355,3542,4135,4398,3336, 111,4136,3650,1350,3135,3436,3035,4137, # 4838 +2149,3266,3543,7546,2784,3923,3924,2991, 722,2008,7547,1071, 247,1207,2338,2471, # 4854 +1378,4399,2009, 864,1437,1214,4400, 373,3770,1142,2216, 667,4401, 442,2753,2555, # 4870 +3771,3925,1968,4138,3267,1839, 837, 170,1107, 934,1336,1882,7548,7549,2118,4139, # 4886 +2828, 743,1569,7550,4402,4140, 582,2384,1418,3437,7551,1802,7552, 357,1395,1729, # 4902 +3651,3268,2418,1564,2237,7553,3083,3772,1633,4403,1114,2085,4141,1532,7554, 482, # 4918 +2446,4404,7555,7556,1492, 833,1466,7557,2717,3544,1641,2829,7558,1526,1272,3652, # 4934 +4142,1686,1794, 416,2556,1902,1953,1803,7559,3773,2785,3774,1159,2316,7560,2867, # 4950 +4405,1610,1584,3036,2419,2754, 443,3269,1163,3136,7561,7562,3926,7563,4143,2499, # 4966 +3037,4406,3927,3137,2103,1647,3545,2010,1872,4144,7564,4145, 431,3438,7565, 250, # 4982 + 97, 81,4146,7566,1648,1850,1558, 160, 848,7567, 866, 740,1694,7568,2201,2830, # 4998 +3195,4147,4407,3653,1687, 950,2472, 426, 469,3196,3654,3655,3928,7569,7570,1188, # 5014 + 424,1995, 861,3546,4148,3775,2202,2685, 168,1235,3547,4149,7571,2086,1674,4408, # 5030 +3337,3270, 220,2557,1009,7572,3776, 670,2992, 332,1208, 717,7573,7574,3548,2447, # 5046 +3929,3338,7575, 513,7576,1209,2868,3339,3138,4409,1080,7577,7578,7579,7580,2527, # 5062 +3656,3549, 815,1587,3930,3931,7581,3550,3439,3777,1254,4410,1328,3038,1390,3932, # 5078 +1741,3933,3778,3934,7582, 236,3779,2448,3271,7583,7584,3657,3780,1273,3781,4411, # 5094 +7585, 308,7586,4412, 245,4413,1851,2473,1307,2575, 430, 715,2136,2449,7587, 270, # 5110 + 199,2869,3935,7588,3551,2718,1753, 761,1754, 725,1661,1840,4414,3440,3658,7589, # 5126 +7590, 587, 14,3272, 227,2598, 326, 480,2265, 943,2755,3552, 291, 650,1883,7591, # 5142 +1702,1226, 102,1547, 62,3441, 904,4415,3442,1164,4150,7592,7593,1224,1548,2756, # 5158 + 391, 498,1493,7594,1386,1419,7595,2055,1177,4416, 813, 880,1081,2363, 566,1145, # 5174 +4417,2286,1001,1035,2558,2599,2238, 394,1286,7596,7597,2068,7598, 86,1494,1730, # 5190 +3936, 491,1588, 745, 897,2948, 843,3340,3937,2757,2870,3273,1768, 998,2217,2069, # 5206 + 397,1826,1195,1969,3659,2993,3341, 284,7599,3782,2500,2137,2119,1903,7600,3938, # 5222 +2150,3939,4151,1036,3443,1904, 114,2559,4152, 209,1527,7601,7602,2949,2831,2625, # 5238 +2385,2719,3139, 812,2560,7603,3274,7604,1559, 737,1884,3660,1210, 885, 28,2686, # 5254 +3553,3783,7605,4153,1004,1779,4418,7606, 346,1981,2218,2687,4419,3784,1742, 797, # 5270 +1642,3940,1933,1072,1384,2151, 896,3941,3275,3661,3197,2871,3554,7607,2561,1958, # 5286 +4420,2450,1785,7608,7609,7610,3942,4154,1005,1308,3662,4155,2720,4421,4422,1528, # 5302 +2600, 161,1178,4156,1982, 987,4423,1101,4157, 631,3943,1157,3198,2420,1343,1241, # 5318 +1016,2239,2562, 372, 877,2339,2501,1160, 555,1934, 911,3944,7611, 466,1170, 169, # 5334 +1051,2907,2688,3663,2474,2994,1182,2011,2563,1251,2626,7612, 992,2340,3444,1540, # 5350 +2721,1201,2070,2401,1996,2475,7613,4424, 528,1922,2188,1503,1873,1570,2364,3342, # 5366 +3276,7614, 557,1073,7615,1827,3445,2087,2266,3140,3039,3084, 767,3085,2786,4425, # 5382 +1006,4158,4426,2341,1267,2176,3664,3199, 778,3945,3200,2722,1597,2657,7616,4427, # 5398 +7617,3446,7618,7619,7620,3277,2689,1433,3278, 131, 95,1504,3946, 723,4159,3141, # 5414 +1841,3555,2758,2189,3947,2027,2104,3665,7621,2995,3948,1218,7622,3343,3201,3949, # 5430 +4160,2576, 248,1634,3785, 912,7623,2832,3666,3040,3786, 654, 53,7624,2996,7625, # 5446 +1688,4428, 777,3447,1032,3950,1425,7626, 191, 820,2120,2833, 971,4429, 931,3202, # 5462 + 135, 664, 783,3787,1997, 772,2908,1935,3951,3788,4430,2909,3203, 282,2723, 640, # 5478 +1372,3448,1127, 922, 325,3344,7627,7628, 711,2044,7629,7630,3952,2219,2787,1936, # 5494 +3953,3345,2220,2251,3789,2300,7631,4431,3790,1258,3279,3954,3204,2138,2950,3955, # 5510 +3956,7632,2221, 258,3205,4432, 101,1227,7633,3280,1755,7634,1391,3281,7635,2910, # 5526 +2056, 893,7636,7637,7638,1402,4161,2342,7639,7640,3206,3556,7641,7642, 878,1325, # 5542 +1780,2788,4433, 259,1385,2577, 744,1183,2267,4434,7643,3957,2502,7644, 684,1024, # 5558 +4162,7645, 472,3557,3449,1165,3282,3958,3959, 322,2152, 881, 455,1695,1152,1340, # 5574 + 660, 554,2153,4435,1058,4436,4163, 830,1065,3346,3960,4437,1923,7646,1703,1918, # 5590 +7647, 932,2268, 122,7648,4438, 947, 677,7649,3791,2627, 297,1905,1924,2269,4439, # 5606 +2317,3283,7650,7651,4164,7652,4165, 84,4166, 112, 989,7653, 547,1059,3961, 701, # 5622 +3558,1019,7654,4167,7655,3450, 942, 639, 457,2301,2451, 993,2951, 407, 851, 494, # 5638 +4440,3347, 927,7656,1237,7657,2421,3348, 573,4168, 680, 921,2911,1279,1874, 285, # 5654 + 790,1448,1983, 719,2167,7658,7659,4441,3962,3963,1649,7660,1541, 563,7661,1077, # 5670 +7662,3349,3041,3451, 511,2997,3964,3965,3667,3966,1268,2564,3350,3207,4442,4443, # 5686 +7663, 535,1048,1276,1189,2912,2028,3142,1438,1373,2834,2952,1134,2012,7664,4169, # 5702 +1238,2578,3086,1259,7665, 700,7666,2953,3143,3668,4170,7667,4171,1146,1875,1906, # 5718 +4444,2601,3967, 781,2422, 132,1589, 203, 147, 273,2789,2402, 898,1786,2154,3968, # 5734 +3969,7668,3792,2790,7669,7670,4445,4446,7671,3208,7672,1635,3793, 965,7673,1804, # 5750 +2690,1516,3559,1121,1082,1329,3284,3970,1449,3794, 65,1128,2835,2913,2759,1590, # 5766 +3795,7674,7675, 12,2658, 45, 976,2579,3144,4447, 517,2528,1013,1037,3209,7676, # 5782 +3796,2836,7677,3797,7678,3452,7679,2602, 614,1998,2318,3798,3087,2724,2628,7680, # 5798 +2580,4172, 599,1269,7681,1810,3669,7682,2691,3088, 759,1060, 489,1805,3351,3285, # 5814 +1358,7683,7684,2386,1387,1215,2629,2252, 490,7685,7686,4173,1759,2387,2343,7687, # 5830 +4448,3799,1907,3971,2630,1806,3210,4449,3453,3286,2760,2344, 874,7688,7689,3454, # 5846 +3670,1858, 91,2914,3671,3042,3800,4450,7690,3145,3972,2659,7691,3455,1202,1403, # 5862 +3801,2954,2529,1517,2503,4451,3456,2504,7692,4452,7693,2692,1885,1495,1731,3973, # 5878 +2365,4453,7694,2029,7695,7696,3974,2693,1216, 237,2581,4174,2319,3975,3802,4454, # 5894 +4455,2694,3560,3457, 445,4456,7697,7698,7699,7700,2761, 61,3976,3672,1822,3977, # 5910 +7701, 687,2045, 935, 925, 405,2660, 703,1096,1859,2725,4457,3978,1876,1367,2695, # 5926 +3352, 918,2105,1781,2476, 334,3287,1611,1093,4458, 564,3146,3458,3673,3353, 945, # 5942 +2631,2057,4459,7702,1925, 872,4175,7703,3459,2696,3089, 349,4176,3674,3979,4460, # 5958 +3803,4177,3675,2155,3980,4461,4462,4178,4463,2403,2046, 782,3981, 400, 251,4179, # 5974 +1624,7704,7705, 277,3676, 299,1265, 476,1191,3804,2121,4180,4181,1109, 205,7706, # 5990 +2582,1000,2156,3561,1860,7707,7708,7709,4464,7710,4465,2565, 107,2477,2157,3982, # 6006 +3460,3147,7711,1533, 541,1301, 158, 753,4182,2872,3562,7712,1696, 370,1088,4183, # 6022 +4466,3563, 579, 327, 440, 162,2240, 269,1937,1374,3461, 968,3043, 56,1396,3090, # 6038 +2106,3288,3354,7713,1926,2158,4467,2998,7714,3564,7715,7716,3677,4468,2478,7717, # 6054 +2791,7718,1650,4469,7719,2603,7720,7721,3983,2661,3355,1149,3356,3984,3805,3985, # 6070 +7722,1076, 49,7723, 951,3211,3289,3290, 450,2837, 920,7724,1811,2792,2366,4184, # 6086 +1908,1138,2367,3806,3462,7725,3212,4470,1909,1147,1518,2423,4471,3807,7726,4472, # 6102 +2388,2604, 260,1795,3213,7727,7728,3808,3291, 708,7729,3565,1704,7730,3566,1351, # 6118 +1618,3357,2999,1886, 944,4185,3358,4186,3044,3359,4187,7731,3678, 422, 413,1714, # 6134 +3292, 500,2058,2345,4188,2479,7732,1344,1910, 954,7733,1668,7734,7735,3986,2404, # 6150 +4189,3567,3809,4190,7736,2302,1318,2505,3091, 133,3092,2873,4473, 629, 31,2838, # 6166 +2697,3810,4474, 850, 949,4475,3987,2955,1732,2088,4191,1496,1852,7737,3988, 620, # 6182 +3214, 981,1242,3679,3360,1619,3680,1643,3293,2139,2452,1970,1719,3463,2168,7738, # 6198 +3215,7739,7740,3361,1828,7741,1277,4476,1565,2047,7742,1636,3568,3093,7743, 869, # 6214 +2839, 655,3811,3812,3094,3989,3000,3813,1310,3569,4477,7744,7745,7746,1733, 558, # 6230 +4478,3681, 335,1549,3045,1756,4192,3682,1945,3464,1829,1291,1192, 470,2726,2107, # 6246 +2793, 913,1054,3990,7747,1027,7748,3046,3991,4479, 982,2662,3362,3148,3465,3216, # 6262 +3217,1946,2794,7749, 571,4480,7750,1830,7751,3570,2583,1523,2424,7752,2089, 984, # 6278 +4481,3683,1959,7753,3684, 852, 923,2795,3466,3685, 969,1519, 999,2048,2320,1705, # 6294 +7754,3095, 615,1662, 151, 597,3992,2405,2321,1049, 275,4482,3686,4193, 568,3687, # 6310 +3571,2480,4194,3688,7755,2425,2270, 409,3218,7756,1566,2874,3467,1002, 769,2840, # 6326 + 194,2090,3149,3689,2222,3294,4195, 628,1505,7757,7758,1763,2177,3001,3993, 521, # 6342 +1161,2584,1787,2203,2406,4483,3994,1625,4196,4197, 412, 42,3096, 464,7759,2632, # 6358 +4484,3363,1760,1571,2875,3468,2530,1219,2204,3814,2633,2140,2368,4485,4486,3295, # 6374 +1651,3364,3572,7760,7761,3573,2481,3469,7762,3690,7763,7764,2271,2091, 460,7765, # 6390 +4487,7766,3002, 962, 588,3574, 289,3219,2634,1116, 52,7767,3047,1796,7768,7769, # 6406 +7770,1467,7771,1598,1143,3691,4198,1984,1734,1067,4488,1280,3365, 465,4489,1572, # 6422 + 510,7772,1927,2241,1812,1644,3575,7773,4490,3692,7774,7775,2663,1573,1534,7776, # 6438 +7777,4199, 536,1807,1761,3470,3815,3150,2635,7778,7779,7780,4491,3471,2915,1911, # 6454 +2796,7781,3296,1122, 377,3220,7782, 360,7783,7784,4200,1529, 551,7785,2059,3693, # 6470 +1769,2426,7786,2916,4201,3297,3097,2322,2108,2030,4492,1404, 136,1468,1479, 672, # 6486 +1171,3221,2303, 271,3151,7787,2762,7788,2049, 678,2727, 865,1947,4493,7789,2013, # 6502 +3995,2956,7790,2728,2223,1397,3048,3694,4494,4495,1735,2917,3366,3576,7791,3816, # 6518 + 509,2841,2453,2876,3817,7792,7793,3152,3153,4496,4202,2531,4497,2304,1166,1010, # 6534 + 552, 681,1887,7794,7795,2957,2958,3996,1287,1596,1861,3154, 358, 453, 736, 175, # 6550 + 478,1117, 905,1167,1097,7796,1853,1530,7797,1706,7798,2178,3472,2287,3695,3473, # 6566 +3577,4203,2092,4204,7799,3367,1193,2482,4205,1458,2190,2205,1862,1888,1421,3298, # 6582 +2918,3049,2179,3474, 595,2122,7800,3997,7801,7802,4206,1707,2636, 223,3696,1359, # 6598 + 751,3098, 183,3475,7803,2797,3003, 419,2369, 633, 704,3818,2389, 241,7804,7805, # 6614 +7806, 838,3004,3697,2272,2763,2454,3819,1938,2050,3998,1309,3099,2242,1181,7807, # 6630 +1136,2206,3820,2370,1446,4207,2305,4498,7808,7809,4208,1055,2605, 484,3698,7810, # 6646 +3999, 625,4209,2273,3368,1499,4210,4000,7811,4001,4211,3222,2274,2275,3476,7812, # 6662 +7813,2764, 808,2606,3699,3369,4002,4212,3100,2532, 526,3370,3821,4213, 955,7814, # 6678 +1620,4214,2637,2427,7815,1429,3700,1669,1831, 994, 928,7816,3578,1260,7817,7818, # 6694 +7819,1948,2288, 741,2919,1626,4215,2729,2455, 867,1184, 362,3371,1392,7820,7821, # 6710 +4003,4216,1770,1736,3223,2920,4499,4500,1928,2698,1459,1158,7822,3050,3372,2877, # 6726 +1292,1929,2506,2842,3701,1985,1187,2071,2014,2607,4217,7823,2566,2507,2169,3702, # 6742 +2483,3299,7824,3703,4501,7825,7826, 666,1003,3005,1022,3579,4218,7827,4502,1813, # 6758 +2253, 574,3822,1603, 295,1535, 705,3823,4219, 283, 858, 417,7828,7829,3224,4503, # 6774 +4504,3051,1220,1889,1046,2276,2456,4004,1393,1599, 689,2567, 388,4220,7830,2484, # 6790 + 802,7831,2798,3824,2060,1405,2254,7832,4505,3825,2109,1052,1345,3225,1585,7833, # 6806 + 809,7834,7835,7836, 575,2730,3477, 956,1552,1469,1144,2323,7837,2324,1560,2457, # 6822 +3580,3226,4005, 616,2207,3155,2180,2289,7838,1832,7839,3478,4506,7840,1319,3704, # 6838 +3705,1211,3581,1023,3227,1293,2799,7841,7842,7843,3826, 607,2306,3827, 762,2878, # 6854 +1439,4221,1360,7844,1485,3052,7845,4507,1038,4222,1450,2061,2638,4223,1379,4508, # 6870 +2585,7846,7847,4224,1352,1414,2325,2921,1172,7848,7849,3828,3829,7850,1797,1451, # 6886 +7851,7852,7853,7854,2922,4006,4007,2485,2346, 411,4008,4009,3582,3300,3101,4509, # 6902 +1561,2664,1452,4010,1375,7855,7856, 47,2959, 316,7857,1406,1591,2923,3156,7858, # 6918 +1025,2141,3102,3157, 354,2731, 884,2224,4225,2407, 508,3706, 726,3583, 996,2428, # 6934 +3584, 729,7859, 392,2191,1453,4011,4510,3707,7860,7861,2458,3585,2608,1675,2800, # 6950 + 919,2347,2960,2348,1270,4511,4012, 73,7862,7863, 647,7864,3228,2843,2255,1550, # 6966 +1346,3006,7865,1332, 883,3479,7866,7867,7868,7869,3301,2765,7870,1212, 831,1347, # 6982 +4226,4512,2326,3830,1863,3053, 720,3831,4513,4514,3832,7871,4227,7872,7873,4515, # 6998 +7874,7875,1798,4516,3708,2609,4517,3586,1645,2371,7876,7877,2924, 669,2208,2665, # 7014 +2429,7878,2879,7879,7880,1028,3229,7881,4228,2408,7882,2256,1353,7883,7884,4518, # 7030 +3158, 518,7885,4013,7886,4229,1960,7887,2142,4230,7888,7889,3007,2349,2350,3833, # 7046 + 516,1833,1454,4014,2699,4231,4519,2225,2610,1971,1129,3587,7890,2766,7891,2961, # 7062 +1422, 577,1470,3008,1524,3373,7892,7893, 432,4232,3054,3480,7894,2586,1455,2508, # 7078 +2226,1972,1175,7895,1020,2732,4015,3481,4520,7896,2733,7897,1743,1361,3055,3482, # 7094 +2639,4016,4233,4521,2290, 895, 924,4234,2170, 331,2243,3056, 166,1627,3057,1098, # 7110 +7898,1232,2880,2227,3374,4522, 657, 403,1196,2372, 542,3709,3375,1600,4235,3483, # 7126 +7899,4523,2767,3230, 576, 530,1362,7900,4524,2533,2666,3710,4017,7901, 842,3834, # 7142 +7902,2801,2031,1014,4018, 213,2700,3376, 665, 621,4236,7903,3711,2925,2430,7904, # 7158 +2431,3302,3588,3377,7905,4237,2534,4238,4525,3589,1682,4239,3484,1380,7906, 724, # 7174 +2277, 600,1670,7907,1337,1233,4526,3103,2244,7908,1621,4527,7909, 651,4240,7910, # 7190 +1612,4241,2611,7911,2844,7912,2734,2307,3058,7913, 716,2459,3059, 174,1255,2701, # 7206 +4019,3590, 548,1320,1398, 728,4020,1574,7914,1890,1197,3060,4021,7915,3061,3062, # 7222 +3712,3591,3713, 747,7916, 635,4242,4528,7917,7918,7919,4243,7920,7921,4529,7922, # 7238 +3378,4530,2432, 451,7923,3714,2535,2072,4244,2735,4245,4022,7924,1764,4531,7925, # 7254 +4246, 350,7926,2278,2390,2486,7927,4247,4023,2245,1434,4024, 488,4532, 458,4248, # 7270 +4025,3715, 771,1330,2391,3835,2568,3159,2159,2409,1553,2667,3160,4249,7928,2487, # 7286 +2881,2612,1720,2702,4250,3379,4533,7929,2536,4251,7930,3231,4252,2768,7931,2015, # 7302 +2736,7932,1155,1017,3716,3836,7933,3303,2308, 201,1864,4253,1430,7934,4026,7935, # 7318 +7936,7937,7938,7939,4254,1604,7940, 414,1865, 371,2587,4534,4535,3485,2016,3104, # 7334 +4536,1708, 960,4255, 887, 389,2171,1536,1663,1721,7941,2228,4027,2351,2926,1580, # 7350 +7942,7943,7944,1744,7945,2537,4537,4538,7946,4539,7947,2073,7948,7949,3592,3380, # 7366 +2882,4256,7950,4257,2640,3381,2802, 673,2703,2460, 709,3486,4028,3593,4258,7951, # 7382 +1148, 502, 634,7952,7953,1204,4540,3594,1575,4541,2613,3717,7954,3718,3105, 948, # 7398 +3232, 121,1745,3837,1110,7955,4259,3063,2509,3009,4029,3719,1151,1771,3838,1488, # 7414 +4030,1986,7956,2433,3487,7957,7958,2093,7959,4260,3839,1213,1407,2803, 531,2737, # 7430 +2538,3233,1011,1537,7960,2769,4261,3106,1061,7961,3720,3721,1866,2883,7962,2017, # 7446 + 120,4262,4263,2062,3595,3234,2309,3840,2668,3382,1954,4542,7963,7964,3488,1047, # 7462 +2704,1266,7965,1368,4543,2845, 649,3383,3841,2539,2738,1102,2846,2669,7966,7967, # 7478 +1999,7968,1111,3596,2962,7969,2488,3842,3597,2804,1854,3384,3722,7970,7971,3385, # 7494 +2410,2884,3304,3235,3598,7972,2569,7973,3599,2805,4031,1460, 856,7974,3600,7975, # 7510 +2885,2963,7976,2886,3843,7977,4264, 632,2510, 875,3844,1697,3845,2291,7978,7979, # 7526 +4544,3010,1239, 580,4545,4265,7980, 914, 936,2074,1190,4032,1039,2123,7981,7982, # 7542 +7983,3386,1473,7984,1354,4266,3846,7985,2172,3064,4033, 915,3305,4267,4268,3306, # 7558 +1605,1834,7986,2739, 398,3601,4269,3847,4034, 328,1912,2847,4035,3848,1331,4270, # 7574 +3011, 937,4271,7987,3602,4036,4037,3387,2160,4546,3388, 524, 742, 538,3065,1012, # 7590 +7988,7989,3849,2461,7990, 658,1103, 225,3850,7991,7992,4547,7993,4548,7994,3236, # 7606 +1243,7995,4038, 963,2246,4549,7996,2705,3603,3161,7997,7998,2588,2327,7999,4550, # 7622 +8000,8001,8002,3489,3307, 957,3389,2540,2032,1930,2927,2462, 870,2018,3604,1746, # 7638 +2770,2771,2434,2463,8003,3851,8004,3723,3107,3724,3490,3390,3725,8005,1179,3066, # 7654 +8006,3162,2373,4272,3726,2541,3163,3108,2740,4039,8007,3391,1556,2542,2292, 977, # 7670 +2887,2033,4040,1205,3392,8008,1765,3393,3164,2124,1271,1689, 714,4551,3491,8009, # 7686 +2328,3852, 533,4273,3605,2181, 617,8010,2464,3308,3492,2310,8011,8012,3165,8013, # 7702 +8014,3853,1987, 618, 427,2641,3493,3394,8015,8016,1244,1690,8017,2806,4274,4552, # 7718 +8018,3494,8019,8020,2279,1576, 473,3606,4275,3395, 972,8021,3607,8022,3067,8023, # 7734 +8024,4553,4554,8025,3727,4041,4042,8026, 153,4555, 356,8027,1891,2888,4276,2143, # 7750 + 408, 803,2352,8028,3854,8029,4277,1646,2570,2511,4556,4557,3855,8030,3856,4278, # 7766 +8031,2411,3396, 752,8032,8033,1961,2964,8034, 746,3012,2465,8035,4279,3728, 698, # 7782 +4558,1892,4280,3608,2543,4559,3609,3857,8036,3166,3397,8037,1823,1302,4043,2706, # 7798 +3858,1973,4281,8038,4282,3167, 823,1303,1288,1236,2848,3495,4044,3398, 774,3859, # 7814 +8039,1581,4560,1304,2849,3860,4561,8040,2435,2161,1083,3237,4283,4045,4284, 344, # 7830 +1173, 288,2311, 454,1683,8041,8042,1461,4562,4046,2589,8043,8044,4563, 985, 894, # 7846 +8045,3399,3168,8046,1913,2928,3729,1988,8047,2110,1974,8048,4047,8049,2571,1194, # 7862 + 425,8050,4564,3169,1245,3730,4285,8051,8052,2850,8053, 636,4565,1855,3861, 760, # 7878 +1799,8054,4286,2209,1508,4566,4048,1893,1684,2293,8055,8056,8057,4287,4288,2210, # 7894 + 479,8058,8059, 832,8060,4049,2489,8061,2965,2490,3731, 990,3109, 627,1814,2642, # 7910 +4289,1582,4290,2125,2111,3496,4567,8062, 799,4291,3170,8063,4568,2112,1737,3013, # 7926 +1018, 543, 754,4292,3309,1676,4569,4570,4050,8064,1489,8065,3497,8066,2614,2889, # 7942 +4051,8067,8068,2966,8069,8070,8071,8072,3171,4571,4572,2182,1722,8073,3238,3239, # 7958 +1842,3610,1715, 481, 365,1975,1856,8074,8075,1962,2491,4573,8076,2126,3611,3240, # 7974 + 433,1894,2063,2075,8077, 602,2741,8078,8079,8080,8081,8082,3014,1628,3400,8083, # 7990 +3172,4574,4052,2890,4575,2512,8084,2544,2772,8085,8086,8087,3310,4576,2891,8088, # 8006 +4577,8089,2851,4578,4579,1221,2967,4053,2513,8090,8091,8092,1867,1989,8093,8094, # 8022 +8095,1895,8096,8097,4580,1896,4054, 318,8098,2094,4055,4293,8099,8100, 485,8101, # 8038 + 938,3862, 553,2670, 116,8102,3863,3612,8103,3498,2671,2773,3401,3311,2807,8104, # 8054 +3613,2929,4056,1747,2930,2968,8105,8106, 207,8107,8108,2672,4581,2514,8109,3015, # 8070 + 890,3614,3864,8110,1877,3732,3402,8111,2183,2353,3403,1652,8112,8113,8114, 941, # 8086 +2294, 208,3499,4057,2019, 330,4294,3865,2892,2492,3733,4295,8115,8116,8117,8118, # 8102 +) + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/euctwprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/euctwprober.py new file mode 100644 index 0000000..35669cc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/euctwprober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import EUCTWDistributionAnalysis +from .mbcssm import EUCTW_SM_MODEL + +class EUCTWProber(MultiByteCharSetProber): + def __init__(self): + super(EUCTWProber, self).__init__() + self.coding_sm = CodingStateMachine(EUCTW_SM_MODEL) + self.distribution_analyzer = EUCTWDistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "EUC-TW" + + @property + def language(self): + return "Taiwan" diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312freq.py b/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312freq.py new file mode 100644 index 0000000..697837b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312freq.py @@ -0,0 +1,283 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# GB2312 most frequently used character table +# +# Char to FreqOrder table , from hz6763 + +# 512 --> 0.79 -- 0.79 +# 1024 --> 0.92 -- 0.13 +# 2048 --> 0.98 -- 0.06 +# 6768 --> 1.00 -- 0.02 +# +# Ideal Distribution Ratio = 0.79135/(1-0.79135) = 3.79 +# Random Distribution Ration = 512 / (3755 - 512) = 0.157 +# +# Typical Distribution Ratio about 25% of Ideal one, still much higher that RDR + +GB2312_TYPICAL_DISTRIBUTION_RATIO = 0.9 + +GB2312_TABLE_SIZE = 3760 + +GB2312_CHAR_TO_FREQ_ORDER = ( +1671, 749,1443,2364,3924,3807,2330,3921,1704,3463,2691,1511,1515, 572,3191,2205, +2361, 224,2558, 479,1711, 963,3162, 440,4060,1905,2966,2947,3580,2647,3961,3842, +2204, 869,4207, 970,2678,5626,2944,2956,1479,4048, 514,3595, 588,1346,2820,3409, + 249,4088,1746,1873,2047,1774, 581,1813, 358,1174,3590,1014,1561,4844,2245, 670, +1636,3112, 889,1286, 953, 556,2327,3060,1290,3141, 613, 185,3477,1367, 850,3820, +1715,2428,2642,2303,2732,3041,2562,2648,3566,3946,1349, 388,3098,2091,1360,3585, + 152,1687,1539, 738,1559, 59,1232,2925,2267,1388,1249,1741,1679,2960, 151,1566, +1125,1352,4271, 924,4296, 385,3166,4459, 310,1245,2850, 70,3285,2729,3534,3575, +2398,3298,3466,1960,2265, 217,3647, 864,1909,2084,4401,2773,1010,3269,5152, 853, +3051,3121,1244,4251,1895, 364,1499,1540,2313,1180,3655,2268, 562, 715,2417,3061, + 544, 336,3768,2380,1752,4075, 950, 280,2425,4382, 183,2759,3272, 333,4297,2155, +1688,2356,1444,1039,4540, 736,1177,3349,2443,2368,2144,2225, 565, 196,1482,3406, + 927,1335,4147, 692, 878,1311,1653,3911,3622,1378,4200,1840,2969,3149,2126,1816, +2534,1546,2393,2760, 737,2494, 13, 447, 245,2747, 38,2765,2129,2589,1079, 606, + 360, 471,3755,2890, 404, 848, 699,1785,1236, 370,2221,1023,3746,2074,2026,2023, +2388,1581,2119, 812,1141,3091,2536,1519, 804,2053, 406,1596,1090, 784, 548,4414, +1806,2264,2936,1100, 343,4114,5096, 622,3358, 743,3668,1510,1626,5020,3567,2513, +3195,4115,5627,2489,2991, 24,2065,2697,1087,2719, 48,1634, 315, 68, 985,2052, + 198,2239,1347,1107,1439, 597,2366,2172, 871,3307, 919,2487,2790,1867, 236,2570, +1413,3794, 906,3365,3381,1701,1982,1818,1524,2924,1205, 616,2586,2072,2004, 575, + 253,3099, 32,1365,1182, 197,1714,2454,1201, 554,3388,3224,2748, 756,2587, 250, +2567,1507,1517,3529,1922,2761,2337,3416,1961,1677,2452,2238,3153, 615, 911,1506, +1474,2495,1265,1906,2749,3756,3280,2161, 898,2714,1759,3450,2243,2444, 563, 26, +3286,2266,3769,3344,2707,3677, 611,1402, 531,1028,2871,4548,1375, 261,2948, 835, +1190,4134, 353, 840,2684,1900,3082,1435,2109,1207,1674, 329,1872,2781,4055,2686, +2104, 608,3318,2423,2957,2768,1108,3739,3512,3271,3985,2203,1771,3520,1418,2054, +1681,1153, 225,1627,2929, 162,2050,2511,3687,1954, 124,1859,2431,1684,3032,2894, + 585,4805,3969,2869,2704,2088,2032,2095,3656,2635,4362,2209, 256, 518,2042,2105, +3777,3657, 643,2298,1148,1779, 190, 989,3544, 414, 11,2135,2063,2979,1471, 403, +3678, 126, 770,1563, 671,2499,3216,2877, 600,1179, 307,2805,4937,1268,1297,2694, + 252,4032,1448,1494,1331,1394, 127,2256, 222,1647,1035,1481,3056,1915,1048, 873, +3651, 210, 33,1608,2516, 200,1520, 415, 102, 0,3389,1287, 817, 91,3299,2940, + 836,1814, 549,2197,1396,1669,2987,3582,2297,2848,4528,1070, 687, 20,1819, 121, +1552,1364,1461,1968,2617,3540,2824,2083, 177, 948,4938,2291, 110,4549,2066, 648, +3359,1755,2110,2114,4642,4845,1693,3937,3308,1257,1869,2123, 208,1804,3159,2992, +2531,2549,3361,2418,1350,2347,2800,2568,1291,2036,2680, 72, 842,1990, 212,1233, +1154,1586, 75,2027,3410,4900,1823,1337,2710,2676, 728,2810,1522,3026,4995, 157, + 755,1050,4022, 710, 785,1936,2194,2085,1406,2777,2400, 150,1250,4049,1206, 807, +1910, 534, 529,3309,1721,1660, 274, 39,2827, 661,2670,1578, 925,3248,3815,1094, +4278,4901,4252, 41,1150,3747,2572,2227,4501,3658,4902,3813,3357,3617,2884,2258, + 887, 538,4187,3199,1294,2439,3042,2329,2343,2497,1255, 107, 543,1527, 521,3478, +3568, 194,5062, 15, 961,3870,1241,1192,2664, 66,5215,3260,2111,1295,1127,2152, +3805,4135, 901,1164,1976, 398,1278, 530,1460, 748, 904,1054,1966,1426, 53,2909, + 509, 523,2279,1534, 536,1019, 239,1685, 460,2353, 673,1065,2401,3600,4298,2272, +1272,2363, 284,1753,3679,4064,1695, 81, 815,2677,2757,2731,1386, 859, 500,4221, +2190,2566, 757,1006,2519,2068,1166,1455, 337,2654,3203,1863,1682,1914,3025,1252, +1409,1366, 847, 714,2834,2038,3209, 964,2970,1901, 885,2553,1078,1756,3049, 301, +1572,3326, 688,2130,1996,2429,1805,1648,2930,3421,2750,3652,3088, 262,1158,1254, + 389,1641,1812, 526,1719, 923,2073,1073,1902, 468, 489,4625,1140, 857,2375,3070, +3319,2863, 380, 116,1328,2693,1161,2244, 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49,3770, +3469, 462, 318, 656,2259,3250,3069, 679,1629,2758, 344,1138,1104,3120,1836,1283, +3115,2154,1437,4448, 934, 759,1999, 794,2862,1038, 533,2560,1722,2342, 855,2626, +1197,1663,4476,3127, 85,4240,2528, 25,1111,1181,3673, 407,3470,4561,2679,2713, + 768,1925,2841,3986,1544,1165, 932, 373,1240,2146,1930,2673, 721,4766, 354,4333, + 391,2963, 187, 61,3364,1442,1102, 330,1940,1767, 341,3809,4118, 393,2496,2062, +2211, 105, 331, 300, 439, 913,1332, 626, 379,3304,1557, 328, 689,3952, 309,1555, + 931, 317,2517,3027, 325, 569, 686,2107,3084, 60,1042,1333,2794, 264,3177,4014, +1628, 258,3712, 7,4464,1176,1043,1778, 683, 114,1975, 78,1492, 383,1886, 510, + 386, 645,5291,2891,2069,3305,4138,3867,2939,2603,2493,1935,1066,1848,3588,1015, +1282,1289,4609, 697,1453,3044,2666,3611,1856,2412, 54, 719,1330, 568,3778,2459, +1748, 788, 492, 551,1191,1000, 488,3394,3763, 282,1799, 348,2016,1523,3155,2390, +1049, 382,2019,1788,1170, 729,2968,3523, 897,3926,2785,2938,3292, 350,2319,3238, +1718,1717,2655,3453,3143,4465, 161,2889,2980,2009,1421, 56,1908,1640,2387,2232, +1917,1874,2477,4921, 148, 83,3438, 592,4245,2882,1822,1055, 741, 115,1496,1624, + 381,1638,4592,1020, 516,3214, 458, 947,4575,1432, 211,1514,2926,1865,2142, 189, + 852,1221,1400,1486, 882,2299,4036, 351, 28,1122, 700,6479,6480,6481,6482,6483, #last 512 +) + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312prober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312prober.py new file mode 100644 index 0000000..8446d2d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/gb2312prober.py @@ -0,0 +1,46 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import GB2312DistributionAnalysis +from .mbcssm import GB2312_SM_MODEL + +class GB2312Prober(MultiByteCharSetProber): + def __init__(self): + super(GB2312Prober, self).__init__() + self.coding_sm = CodingStateMachine(GB2312_SM_MODEL) + self.distribution_analyzer = GB2312DistributionAnalysis() + self.reset() + + @property + def charset_name(self): + return "GB2312" + + @property + def language(self): + return "Chinese" diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/hebrewprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/hebrewprober.py new file mode 100644 index 0000000..b0e1bf4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/hebrewprober.py @@ -0,0 +1,292 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Shy Shalom +# Portions created by the Initial Developer are Copyright (C) 2005 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +# This prober doesn't actually recognize a language or a charset. +# It is a helper prober for the use of the Hebrew model probers + +### General ideas of the Hebrew charset recognition ### +# +# Four main charsets exist in Hebrew: +# "ISO-8859-8" - Visual Hebrew +# "windows-1255" - Logical Hebrew +# "ISO-8859-8-I" - Logical Hebrew +# "x-mac-hebrew" - ?? Logical Hebrew ?? +# +# Both "ISO" charsets use a completely identical set of code points, whereas +# "windows-1255" and "x-mac-hebrew" are two different proper supersets of +# these code points. windows-1255 defines additional characters in the range +# 0x80-0x9F as some misc punctuation marks as well as some Hebrew-specific +# diacritics and additional 'Yiddish' ligature letters in the range 0xc0-0xd6. +# x-mac-hebrew defines similar additional code points but with a different +# mapping. +# +# As far as an average Hebrew text with no diacritics is concerned, all four +# charsets are identical with respect to code points. Meaning that for the +# main Hebrew alphabet, all four map the same values to all 27 Hebrew letters +# (including final letters). +# +# The dominant difference between these charsets is their directionality. +# "Visual" directionality means that the text is ordered as if the renderer is +# not aware of a BIDI rendering algorithm. The renderer sees the text and +# draws it from left to right. The text itself when ordered naturally is read +# backwards. A buffer of Visual Hebrew generally looks like so: +# "[last word of first line spelled backwards] [whole line ordered backwards +# and spelled backwards] [first word of first line spelled backwards] +# [end of line] [last word of second line] ... etc' " +# adding punctuation marks, numbers and English text to visual text is +# naturally also "visual" and from left to right. +# +# "Logical" directionality means the text is ordered "naturally" according to +# the order it is read. It is the responsibility of the renderer to display +# the text from right to left. A BIDI algorithm is used to place general +# punctuation marks, numbers and English text in the text. +# +# Texts in x-mac-hebrew are almost impossible to find on the Internet. From +# what little evidence I could find, it seems that its general directionality +# is Logical. +# +# To sum up all of the above, the Hebrew probing mechanism knows about two +# charsets: +# Visual Hebrew - "ISO-8859-8" - backwards text - Words and sentences are +# backwards while line order is natural. For charset recognition purposes +# the line order is unimportant (In fact, for this implementation, even +# word order is unimportant). +# Logical Hebrew - "windows-1255" - normal, naturally ordered text. +# +# "ISO-8859-8-I" is a subset of windows-1255 and doesn't need to be +# specifically identified. +# "x-mac-hebrew" is also identified as windows-1255. A text in x-mac-hebrew +# that contain special punctuation marks or diacritics is displayed with +# some unconverted characters showing as question marks. This problem might +# be corrected using another model prober for x-mac-hebrew. Due to the fact +# that x-mac-hebrew texts are so rare, writing another model prober isn't +# worth the effort and performance hit. +# +#### The Prober #### +# +# The prober is divided between two SBCharSetProbers and a HebrewProber, +# all of which are managed, created, fed data, inquired and deleted by the +# SBCSGroupProber. The two SBCharSetProbers identify that the text is in +# fact some kind of Hebrew, Logical or Visual. The final decision about which +# one is it is made by the HebrewProber by combining final-letter scores +# with the scores of the two SBCharSetProbers to produce a final answer. +# +# The SBCSGroupProber is responsible for stripping the original text of HTML +# tags, English characters, numbers, low-ASCII punctuation characters, spaces +# and new lines. It reduces any sequence of such characters to a single space. +# The buffer fed to each prober in the SBCS group prober is pure text in +# high-ASCII. +# The two SBCharSetProbers (model probers) share the same language model: +# Win1255Model. +# The first SBCharSetProber uses the model normally as any other +# SBCharSetProber does, to recognize windows-1255, upon which this model was +# built. The second SBCharSetProber is told to make the pair-of-letter +# lookup in the language model backwards. This in practice exactly simulates +# a visual Hebrew model using the windows-1255 logical Hebrew model. +# +# The HebrewProber is not using any language model. All it does is look for +# final-letter evidence suggesting the text is either logical Hebrew or visual +# Hebrew. Disjointed from the model probers, the results of the HebrewProber +# alone are meaningless. HebrewProber always returns 0.00 as confidence +# since it never identifies a charset by itself. Instead, the pointer to the +# HebrewProber is passed to the model probers as a helper "Name Prober". +# When the Group prober receives a positive identification from any prober, +# it asks for the name of the charset identified. If the prober queried is a +# Hebrew model prober, the model prober forwards the call to the +# HebrewProber to make the final decision. In the HebrewProber, the +# decision is made according to the final-letters scores maintained and Both +# model probers scores. The answer is returned in the form of the name of the +# charset identified, either "windows-1255" or "ISO-8859-8". + +class HebrewProber(CharSetProber): + # windows-1255 / ISO-8859-8 code points of interest + FINAL_KAF = 0xea + NORMAL_KAF = 0xeb + FINAL_MEM = 0xed + NORMAL_MEM = 0xee + FINAL_NUN = 0xef + NORMAL_NUN = 0xf0 + FINAL_PE = 0xf3 + NORMAL_PE = 0xf4 + FINAL_TSADI = 0xf5 + NORMAL_TSADI = 0xf6 + + # Minimum Visual vs Logical final letter score difference. + # If the difference is below this, don't rely solely on the final letter score + # distance. + MIN_FINAL_CHAR_DISTANCE = 5 + + # Minimum Visual vs Logical model score difference. + # If the difference is below this, don't rely at all on the model score + # distance. + MIN_MODEL_DISTANCE = 0.01 + + VISUAL_HEBREW_NAME = "ISO-8859-8" + LOGICAL_HEBREW_NAME = "windows-1255" + + def __init__(self): + super(HebrewProber, self).__init__() + self._final_char_logical_score = None + self._final_char_visual_score = None + self._prev = None + self._before_prev = None + self._logical_prober = None + self._visual_prober = None + self.reset() + + def reset(self): + self._final_char_logical_score = 0 + self._final_char_visual_score = 0 + # The two last characters seen in the previous buffer, + # mPrev and mBeforePrev are initialized to space in order to simulate + # a word delimiter at the beginning of the data + self._prev = ' ' + self._before_prev = ' ' + # These probers are owned by the group prober. + + def set_model_probers(self, logicalProber, visualProber): + self._logical_prober = logicalProber + self._visual_prober = visualProber + + def is_final(self, c): + return c in [self.FINAL_KAF, self.FINAL_MEM, self.FINAL_NUN, + self.FINAL_PE, self.FINAL_TSADI] + + def is_non_final(self, c): + # The normal Tsadi is not a good Non-Final letter due to words like + # 'lechotet' (to chat) containing an apostrophe after the tsadi. This + # apostrophe is converted to a space in FilterWithoutEnglishLetters + # causing the Non-Final tsadi to appear at an end of a word even + # though this is not the case in the original text. + # The letters Pe and Kaf rarely display a related behavior of not being + # a good Non-Final letter. Words like 'Pop', 'Winamp' and 'Mubarak' + # for example legally end with a Non-Final Pe or Kaf. However, the + # benefit of these letters as Non-Final letters outweighs the damage + # since these words are quite rare. + return c in [self.NORMAL_KAF, self.NORMAL_MEM, + self.NORMAL_NUN, self.NORMAL_PE] + + def feed(self, byte_str): + # Final letter analysis for logical-visual decision. + # Look for evidence that the received buffer is either logical Hebrew + # or visual Hebrew. + # The following cases are checked: + # 1) A word longer than 1 letter, ending with a final letter. This is + # an indication that the text is laid out "naturally" since the + # final letter really appears at the end. +1 for logical score. + # 2) A word longer than 1 letter, ending with a Non-Final letter. In + # normal Hebrew, words ending with Kaf, Mem, Nun, Pe or Tsadi, + # should not end with the Non-Final form of that letter. Exceptions + # to this rule are mentioned above in isNonFinal(). This is an + # indication that the text is laid out backwards. +1 for visual + # score + # 3) A word longer than 1 letter, starting with a final letter. Final + # letters should not appear at the beginning of a word. This is an + # indication that the text is laid out backwards. +1 for visual + # score. + # + # The visual score and logical score are accumulated throughout the + # text and are finally checked against each other in GetCharSetName(). + # No checking for final letters in the middle of words is done since + # that case is not an indication for either Logical or Visual text. + # + # We automatically filter out all 7-bit characters (replace them with + # spaces) so the word boundary detection works properly. [MAP] + + if self.state == ProbingState.NOT_ME: + # Both model probers say it's not them. No reason to continue. + return ProbingState.NOT_ME + + byte_str = self.filter_high_byte_only(byte_str) + + for cur in byte_str: + if cur == ' ': + # We stand on a space - a word just ended + if self._before_prev != ' ': + # next-to-last char was not a space so self._prev is not a + # 1 letter word + if self.is_final(self._prev): + # case (1) [-2:not space][-1:final letter][cur:space] + self._final_char_logical_score += 1 + elif self.is_non_final(self._prev): + # case (2) [-2:not space][-1:Non-Final letter][ + # cur:space] + self._final_char_visual_score += 1 + else: + # Not standing on a space + if ((self._before_prev == ' ') and + (self.is_final(self._prev)) and (cur != ' ')): + # case (3) [-2:space][-1:final letter][cur:not space] + self._final_char_visual_score += 1 + self._before_prev = self._prev + self._prev = cur + + # Forever detecting, till the end or until both model probers return + # ProbingState.NOT_ME (handled above) + return ProbingState.DETECTING + + @property + def charset_name(self): + # Make the decision: is it Logical or Visual? + # If the final letter score distance is dominant enough, rely on it. + finalsub = self._final_char_logical_score - self._final_char_visual_score + if finalsub >= self.MIN_FINAL_CHAR_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if finalsub <= -self.MIN_FINAL_CHAR_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # It's not dominant enough, try to rely on the model scores instead. + modelsub = (self._logical_prober.get_confidence() + - self._visual_prober.get_confidence()) + if modelsub > self.MIN_MODEL_DISTANCE: + return self.LOGICAL_HEBREW_NAME + if modelsub < -self.MIN_MODEL_DISTANCE: + return self.VISUAL_HEBREW_NAME + + # Still no good, back to final letter distance, maybe it'll save the + # day. + if finalsub < 0.0: + return self.VISUAL_HEBREW_NAME + + # (finalsub > 0 - Logical) or (don't know what to do) default to + # Logical. + return self.LOGICAL_HEBREW_NAME + + @property + def language(self): + return 'Hebrew' + + @property + def state(self): + # Remain active as long as any of the model probers are active. + if (self._logical_prober.state == ProbingState.NOT_ME) and \ + (self._visual_prober.state == ProbingState.NOT_ME): + return ProbingState.NOT_ME + return ProbingState.DETECTING diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/jisfreq.py b/backend/mb-env/lib/python3.9/site-packages/chardet/jisfreq.py new file mode 100644 index 0000000..83fc082 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/jisfreq.py @@ -0,0 +1,325 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +# Sampling from about 20M text materials include literature and computer technology +# +# Japanese frequency table, applied to both S-JIS and EUC-JP +# They are sorted in order. + +# 128 --> 0.77094 +# 256 --> 0.85710 +# 512 --> 0.92635 +# 1024 --> 0.97130 +# 2048 --> 0.99431 +# +# Ideal Distribution Ratio = 0.92635 / (1-0.92635) = 12.58 +# Random Distribution Ration = 512 / (2965+62+83+86-512) = 0.191 +# +# Typical Distribution Ratio, 25% of IDR + +JIS_TYPICAL_DISTRIBUTION_RATIO = 3.0 + +# Char to FreqOrder table , +JIS_TABLE_SIZE = 4368 + +JIS_CHAR_TO_FREQ_ORDER = ( + 40, 1, 6, 182, 152, 180, 295,2127, 285, 381,3295,4304,3068,4606,3165,3510, # 16 +3511,1822,2785,4607,1193,2226,5070,4608, 171,2996,1247, 18, 179,5071, 856,1661, # 32 +1262,5072, 619, 127,3431,3512,3230,1899,1700, 232, 228,1294,1298, 284, 283,2041, # 48 +2042,1061,1062, 48, 49, 44, 45, 433, 434,1040,1041, 996, 787,2997,1255,4305, # 64 +2108,4609,1684,1648,5073,5074,5075,5076,5077,5078,3687,5079,4610,5080,3927,3928, # 80 +5081,3296,3432, 290,2285,1471,2187,5082,2580,2825,1303,2140,1739,1445,2691,3375, # 96 +1691,3297,4306,4307,4611, 452,3376,1182,2713,3688,3069,4308,5083,5084,5085,5086, # 112 +5087,5088,5089,5090,5091,5092,5093,5094,5095,5096,5097,5098,5099,5100,5101,5102, # 128 +5103,5104,5105,5106,5107,5108,5109,5110,5111,5112,4097,5113,5114,5115,5116,5117, # 144 +5118,5119,5120,5121,5122,5123,5124,5125,5126,5127,5128,5129,5130,5131,5132,5133, # 160 +5134,5135,5136,5137,5138,5139,5140,5141,5142,5143,5144,5145,5146,5147,5148,5149, # 176 +5150,5151,5152,4612,5153,5154,5155,5156,5157,5158,5159,5160,5161,5162,5163,5164, # 192 +5165,5166,5167,5168,5169,5170,5171,5172,5173,5174,5175,1472, 598, 618, 820,1205, # 208 +1309,1412,1858,1307,1692,5176,5177,5178,5179,5180,5181,5182,1142,1452,1234,1172, # 224 +1875,2043,2149,1793,1382,2973, 925,2404,1067,1241, 960,1377,2935,1491, 919,1217, # 240 +1865,2030,1406,1499,2749,4098,5183,5184,5185,5186,5187,5188,2561,4099,3117,1804, # 256 +2049,3689,4309,3513,1663,5189,3166,3118,3298,1587,1561,3433,5190,3119,1625,2998, # 272 +3299,4613,1766,3690,2786,4614,5191,5192,5193,5194,2161, 26,3377, 2,3929, 20, # 288 +3691, 47,4100, 50, 17, 16, 35, 268, 27, 243, 42, 155, 24, 154, 29, 184, # 304 + 4, 91, 14, 92, 53, 396, 33, 289, 9, 37, 64, 620, 21, 39, 321, 5, # 320 + 12, 11, 52, 13, 3, 208, 138, 0, 7, 60, 526, 141, 151,1069, 181, 275, # 336 +1591, 83, 132,1475, 126, 331, 829, 15, 69, 160, 59, 22, 157, 55,1079, 312, # 352 + 109, 38, 23, 25, 10, 19, 79,5195, 61, 382,1124, 8, 30,5196,5197,5198, # 368 +5199,5200,5201,5202,5203,5204,5205,5206, 89, 62, 74, 34,2416, 112, 139, 196, # 384 + 271, 149, 84, 607, 131, 765, 46, 88, 153, 683, 76, 874, 101, 258, 57, 80, # 400 + 32, 364, 121,1508, 169,1547, 68, 235, 145,2999, 41, 360,3027, 70, 63, 31, # 416 + 43, 259, 262,1383, 99, 533, 194, 66, 93, 846, 217, 192, 56, 106, 58, 565, # 432 + 280, 272, 311, 256, 146, 82, 308, 71, 100, 128, 214, 655, 110, 261, 104,1140, # 448 + 54, 51, 36, 87, 67,3070, 185,2618,2936,2020, 28,1066,2390,2059,5207,5208, # 464 +5209,5210,5211,5212,5213,5214,5215,5216,4615,5217,5218,5219,5220,5221,5222,5223, # 480 +5224,5225,5226,5227,5228,5229,5230,5231,5232,5233,5234,5235,5236,3514,5237,5238, # 496 +5239,5240,5241,5242,5243,5244,2297,2031,4616,4310,3692,5245,3071,5246,3598,5247, # 512 +4617,3231,3515,5248,4101,4311,4618,3808,4312,4102,5249,4103,4104,3599,5250,5251, # 528 +5252,5253,5254,5255,5256,5257,5258,5259,5260,5261,5262,5263,5264,5265,5266,5267, # 544 +5268,5269,5270,5271,5272,5273,5274,5275,5276,5277,5278,5279,5280,5281,5282,5283, # 560 +5284,5285,5286,5287,5288,5289,5290,5291,5292,5293,5294,5295,5296,5297,5298,5299, # 576 +5300,5301,5302,5303,5304,5305,5306,5307,5308,5309,5310,5311,5312,5313,5314,5315, # 592 +5316,5317,5318,5319,5320,5321,5322,5323,5324,5325,5326,5327,5328,5329,5330,5331, # 608 +5332,5333,5334,5335,5336,5337,5338,5339,5340,5341,5342,5343,5344,5345,5346,5347, # 624 +5348,5349,5350,5351,5352,5353,5354,5355,5356,5357,5358,5359,5360,5361,5362,5363, # 640 +5364,5365,5366,5367,5368,5369,5370,5371,5372,5373,5374,5375,5376,5377,5378,5379, # 656 +5380,5381, 363, 642,2787,2878,2788,2789,2316,3232,2317,3434,2011, 165,1942,3930, # 672 +3931,3932,3933,5382,4619,5383,4620,5384,5385,5386,5387,5388,5389,5390,5391,5392, # 688 +5393,5394,5395,5396,5397,5398,5399,5400,5401,5402,5403,5404,5405,5406,5407,5408, # 704 +5409,5410,5411,5412,5413,5414,5415,5416,5417,5418,5419,5420,5421,5422,5423,5424, # 720 +5425,5426,5427,5428,5429,5430,5431,5432,5433,5434,5435,5436,5437,5438,5439,5440, # 736 +5441,5442,5443,5444,5445,5446,5447,5448,5449,5450,5451,5452,5453,5454,5455,5456, # 752 +5457,5458,5459,5460,5461,5462,5463,5464,5465,5466,5467,5468,5469,5470,5471,5472, # 768 +5473,5474,5475,5476,5477,5478,5479,5480,5481,5482,5483,5484,5485,5486,5487,5488, # 784 +5489,5490,5491,5492,5493,5494,5495,5496,5497,5498,5499,5500,5501,5502,5503,5504, # 800 +5505,5506,5507,5508,5509,5510,5511,5512,5513,5514,5515,5516,5517,5518,5519,5520, # 816 +5521,5522,5523,5524,5525,5526,5527,5528,5529,5530,5531,5532,5533,5534,5535,5536, # 832 +5537,5538,5539,5540,5541,5542,5543,5544,5545,5546,5547,5548,5549,5550,5551,5552, # 848 +5553,5554,5555,5556,5557,5558,5559,5560,5561,5562,5563,5564,5565,5566,5567,5568, # 864 +5569,5570,5571,5572,5573,5574,5575,5576,5577,5578,5579,5580,5581,5582,5583,5584, # 880 +5585,5586,5587,5588,5589,5590,5591,5592,5593,5594,5595,5596,5597,5598,5599,5600, # 896 +5601,5602,5603,5604,5605,5606,5607,5608,5609,5610,5611,5612,5613,5614,5615,5616, # 912 +5617,5618,5619,5620,5621,5622,5623,5624,5625,5626,5627,5628,5629,5630,5631,5632, # 928 +5633,5634,5635,5636,5637,5638,5639,5640,5641,5642,5643,5644,5645,5646,5647,5648, # 944 +5649,5650,5651,5652,5653,5654,5655,5656,5657,5658,5659,5660,5661,5662,5663,5664, # 960 +5665,5666,5667,5668,5669,5670,5671,5672,5673,5674,5675,5676,5677,5678,5679,5680, # 976 +5681,5682,5683,5684,5685,5686,5687,5688,5689,5690,5691,5692,5693,5694,5695,5696, # 992 +5697,5698,5699,5700,5701,5702,5703,5704,5705,5706,5707,5708,5709,5710,5711,5712, # 1008 +5713,5714,5715,5716,5717,5718,5719,5720,5721,5722,5723,5724,5725,5726,5727,5728, # 1024 +5729,5730,5731,5732,5733,5734,5735,5736,5737,5738,5739,5740,5741,5742,5743,5744, # 1040 +5745,5746,5747,5748,5749,5750,5751,5752,5753,5754,5755,5756,5757,5758,5759,5760, # 1056 +5761,5762,5763,5764,5765,5766,5767,5768,5769,5770,5771,5772,5773,5774,5775,5776, # 1072 +5777,5778,5779,5780,5781,5782,5783,5784,5785,5786,5787,5788,5789,5790,5791,5792, # 1088 +5793,5794,5795,5796,5797,5798,5799,5800,5801,5802,5803,5804,5805,5806,5807,5808, # 1104 +5809,5810,5811,5812,5813,5814,5815,5816,5817,5818,5819,5820,5821,5822,5823,5824, # 1120 +5825,5826,5827,5828,5829,5830,5831,5832,5833,5834,5835,5836,5837,5838,5839,5840, # 1136 +5841,5842,5843,5844,5845,5846,5847,5848,5849,5850,5851,5852,5853,5854,5855,5856, # 1152 +5857,5858,5859,5860,5861,5862,5863,5864,5865,5866,5867,5868,5869,5870,5871,5872, # 1168 +5873,5874,5875,5876,5877,5878,5879,5880,5881,5882,5883,5884,5885,5886,5887,5888, # 1184 +5889,5890,5891,5892,5893,5894,5895,5896,5897,5898,5899,5900,5901,5902,5903,5904, # 1200 +5905,5906,5907,5908,5909,5910,5911,5912,5913,5914,5915,5916,5917,5918,5919,5920, # 1216 +5921,5922,5923,5924,5925,5926,5927,5928,5929,5930,5931,5932,5933,5934,5935,5936, # 1232 +5937,5938,5939,5940,5941,5942,5943,5944,5945,5946,5947,5948,5949,5950,5951,5952, # 1248 +5953,5954,5955,5956,5957,5958,5959,5960,5961,5962,5963,5964,5965,5966,5967,5968, # 1264 +5969,5970,5971,5972,5973,5974,5975,5976,5977,5978,5979,5980,5981,5982,5983,5984, # 1280 +5985,5986,5987,5988,5989,5990,5991,5992,5993,5994,5995,5996,5997,5998,5999,6000, # 1296 +6001,6002,6003,6004,6005,6006,6007,6008,6009,6010,6011,6012,6013,6014,6015,6016, # 1312 +6017,6018,6019,6020,6021,6022,6023,6024,6025,6026,6027,6028,6029,6030,6031,6032, # 1328 +6033,6034,6035,6036,6037,6038,6039,6040,6041,6042,6043,6044,6045,6046,6047,6048, # 1344 +6049,6050,6051,6052,6053,6054,6055,6056,6057,6058,6059,6060,6061,6062,6063,6064, # 1360 +6065,6066,6067,6068,6069,6070,6071,6072,6073,6074,6075,6076,6077,6078,6079,6080, # 1376 +6081,6082,6083,6084,6085,6086,6087,6088,6089,6090,6091,6092,6093,6094,6095,6096, # 1392 +6097,6098,6099,6100,6101,6102,6103,6104,6105,6106,6107,6108,6109,6110,6111,6112, # 1408 +6113,6114,2044,2060,4621, 997,1235, 473,1186,4622, 920,3378,6115,6116, 379,1108, # 1424 +4313,2657,2735,3934,6117,3809, 636,3233, 573,1026,3693,3435,2974,3300,2298,4105, # 1440 + 854,2937,2463, 393,2581,2417, 539, 752,1280,2750,2480, 140,1161, 440, 708,1569, # 1456 + 665,2497,1746,1291,1523,3000, 164,1603, 847,1331, 537,1997, 486, 508,1693,2418, # 1472 +1970,2227, 878,1220, 299,1030, 969, 652,2751, 624,1137,3301,2619, 65,3302,2045, # 1488 +1761,1859,3120,1930,3694,3516, 663,1767, 852, 835,3695, 269, 767,2826,2339,1305, # 1504 + 896,1150, 770,1616,6118, 506,1502,2075,1012,2519, 775,2520,2975,2340,2938,4314, # 1520 +3028,2086,1224,1943,2286,6119,3072,4315,2240,1273,1987,3935,1557, 175, 597, 985, # 1536 +3517,2419,2521,1416,3029, 585, 938,1931,1007,1052,1932,1685,6120,3379,4316,4623, # 1552 + 804, 599,3121,1333,2128,2539,1159,1554,2032,3810, 687,2033,2904, 952, 675,1467, # 1568 +3436,6121,2241,1096,1786,2440,1543,1924, 980,1813,2228, 781,2692,1879, 728,1918, # 1584 +3696,4624, 548,1950,4625,1809,1088,1356,3303,2522,1944, 502, 972, 373, 513,2827, # 1600 + 586,2377,2391,1003,1976,1631,6122,2464,1084, 648,1776,4626,2141, 324, 962,2012, # 1616 +2177,2076,1384, 742,2178,1448,1173,1810, 222, 102, 301, 445, 125,2420, 662,2498, # 1632 + 277, 200,1476,1165,1068, 224,2562,1378,1446, 450,1880, 659, 791, 582,4627,2939, # 1648 +3936,1516,1274, 555,2099,3697,1020,1389,1526,3380,1762,1723,1787,2229, 412,2114, # 1664 +1900,2392,3518, 512,2597, 427,1925,2341,3122,1653,1686,2465,2499, 697, 330, 273, # 1680 + 380,2162, 951, 832, 780, 991,1301,3073, 965,2270,3519, 668,2523,2636,1286, 535, # 1696 +1407, 518, 671, 957,2658,2378, 267, 611,2197,3030,6123, 248,2299, 967,1799,2356, # 1712 + 850,1418,3437,1876,1256,1480,2828,1718,6124,6125,1755,1664,2405,6126,4628,2879, # 1728 +2829, 499,2179, 676,4629, 557,2329,2214,2090, 325,3234, 464, 811,3001, 992,2342, # 1744 +2481,1232,1469, 303,2242, 466,1070,2163, 603,1777,2091,4630,2752,4631,2714, 322, # 1760 +2659,1964,1768, 481,2188,1463,2330,2857,3600,2092,3031,2421,4632,2318,2070,1849, # 1776 +2598,4633,1302,2254,1668,1701,2422,3811,2905,3032,3123,2046,4106,1763,1694,4634, # 1792 +1604, 943,1724,1454, 917, 868,2215,1169,2940, 552,1145,1800,1228,1823,1955, 316, # 1808 +1080,2510, 361,1807,2830,4107,2660,3381,1346,1423,1134,4108,6127, 541,1263,1229, # 1824 +1148,2540, 545, 465,1833,2880,3438,1901,3074,2482, 816,3937, 713,1788,2500, 122, # 1840 +1575, 195,1451,2501,1111,6128, 859, 374,1225,2243,2483,4317, 390,1033,3439,3075, # 1856 +2524,1687, 266, 793,1440,2599, 946, 779, 802, 507, 897,1081, 528,2189,1292, 711, # 1872 +1866,1725,1167,1640, 753, 398,2661,1053, 246, 348,4318, 137,1024,3440,1600,2077, # 1888 +2129, 825,4319, 698, 238, 521, 187,2300,1157,2423,1641,1605,1464,1610,1097,2541, # 1904 +1260,1436, 759,2255,1814,2150, 705,3235, 409,2563,3304, 561,3033,2005,2564, 726, # 1920 +1956,2343,3698,4109, 949,3812,3813,3520,1669, 653,1379,2525, 881,2198, 632,2256, # 1936 +1027, 778,1074, 733,1957, 514,1481,2466, 554,2180, 702,3938,1606,1017,1398,6129, # 1952 +1380,3521, 921, 993,1313, 594, 449,1489,1617,1166, 768,1426,1360, 495,1794,3601, # 1968 +1177,3602,1170,4320,2344, 476, 425,3167,4635,3168,1424, 401,2662,1171,3382,1998, # 1984 +1089,4110, 477,3169, 474,6130,1909, 596,2831,1842, 494, 693,1051,1028,1207,3076, # 2000 + 606,2115, 727,2790,1473,1115, 743,3522, 630, 805,1532,4321,2021, 366,1057, 838, # 2016 + 684,1114,2142,4322,2050,1492,1892,1808,2271,3814,2424,1971,1447,1373,3305,1090, # 2032 +1536,3939,3523,3306,1455,2199, 336, 369,2331,1035, 584,2393, 902, 718,2600,6131, # 2048 +2753, 463,2151,1149,1611,2467, 715,1308,3124,1268, 343,1413,3236,1517,1347,2663, # 2064 +2093,3940,2022,1131,1553,2100,2941,1427,3441,2942,1323,2484,6132,1980, 872,2368, # 2080 +2441,2943, 320,2369,2116,1082, 679,1933,3941,2791,3815, 625,1143,2023, 422,2200, # 2096 +3816,6133, 730,1695, 356,2257,1626,2301,2858,2637,1627,1778, 937, 883,2906,2693, # 2112 +3002,1769,1086, 400,1063,1325,3307,2792,4111,3077, 456,2345,1046, 747,6134,1524, # 2128 + 884,1094,3383,1474,2164,1059, 974,1688,2181,2258,1047, 345,1665,1187, 358, 875, # 2144 +3170, 305, 660,3524,2190,1334,1135,3171,1540,1649,2542,1527, 927, 968,2793, 885, # 2160 +1972,1850, 482, 500,2638,1218,1109,1085,2543,1654,2034, 876, 78,2287,1482,1277, # 2176 + 861,1675,1083,1779, 724,2754, 454, 397,1132,1612,2332, 893, 672,1237, 257,2259, # 2192 +2370, 135,3384, 337,2244, 547, 352, 340, 709,2485,1400, 788,1138,2511, 540, 772, # 2208 +1682,2260,2272,2544,2013,1843,1902,4636,1999,1562,2288,4637,2201,1403,1533, 407, # 2224 + 576,3308,1254,2071, 978,3385, 170, 136,1201,3125,2664,3172,2394, 213, 912, 873, # 2240 +3603,1713,2202, 699,3604,3699, 813,3442, 493, 531,1054, 468,2907,1483, 304, 281, # 2256 +4112,1726,1252,2094, 339,2319,2130,2639, 756,1563,2944, 748, 571,2976,1588,2425, # 2272 +2715,1851,1460,2426,1528,1392,1973,3237, 288,3309, 685,3386, 296, 892,2716,2216, # 2288 +1570,2245, 722,1747,2217, 905,3238,1103,6135,1893,1441,1965, 251,1805,2371,3700, # 2304 +2601,1919,1078, 75,2182,1509,1592,1270,2640,4638,2152,6136,3310,3817, 524, 706, # 2320 +1075, 292,3818,1756,2602, 317, 98,3173,3605,3525,1844,2218,3819,2502, 814, 567, # 2336 + 385,2908,1534,6137, 534,1642,3239, 797,6138,1670,1529, 953,4323, 188,1071, 538, # 2352 + 178, 729,3240,2109,1226,1374,2000,2357,2977, 731,2468,1116,2014,2051,6139,1261, # 2368 +1593, 803,2859,2736,3443, 556, 682, 823,1541,6140,1369,2289,1706,2794, 845, 462, # 2384 +2603,2665,1361, 387, 162,2358,1740, 739,1770,1720,1304,1401,3241,1049, 627,1571, # 2400 +2427,3526,1877,3942,1852,1500, 431,1910,1503, 677, 297,2795, 286,1433,1038,1198, # 2416 +2290,1133,1596,4113,4639,2469,1510,1484,3943,6141,2442, 108, 712,4640,2372, 866, # 2432 +3701,2755,3242,1348, 834,1945,1408,3527,2395,3243,1811, 824, 994,1179,2110,1548, # 2448 +1453, 790,3003, 690,4324,4325,2832,2909,3820,1860,3821, 225,1748, 310, 346,1780, # 2464 +2470, 821,1993,2717,2796, 828, 877,3528,2860,2471,1702,2165,2910,2486,1789, 453, # 2480 + 359,2291,1676, 73,1164,1461,1127,3311, 421, 604, 314,1037, 589, 116,2487, 737, # 2496 + 837,1180, 111, 244, 735,6142,2261,1861,1362, 986, 523, 418, 581,2666,3822, 103, # 2512 + 855, 503,1414,1867,2488,1091, 657,1597, 979, 605,1316,4641,1021,2443,2078,2001, # 2528 +1209, 96, 587,2166,1032, 260,1072,2153, 173, 94, 226,3244, 819,2006,4642,4114, # 2544 +2203, 231,1744, 782, 97,2667, 786,3387, 887, 391, 442,2219,4326,1425,6143,2694, # 2560 + 633,1544,1202, 483,2015, 592,2052,1958,2472,1655, 419, 129,4327,3444,3312,1714, # 2576 +1257,3078,4328,1518,1098, 865,1310,1019,1885,1512,1734, 469,2444, 148, 773, 436, # 2592 +1815,1868,1128,1055,4329,1245,2756,3445,2154,1934,1039,4643, 579,1238, 932,2320, # 2608 + 353, 205, 801, 115,2428, 944,2321,1881, 399,2565,1211, 678, 766,3944, 335,2101, # 2624 +1459,1781,1402,3945,2737,2131,1010, 844, 981,1326,1013, 550,1816,1545,2620,1335, # 2640 +1008, 371,2881, 936,1419,1613,3529,1456,1395,2273,1834,2604,1317,2738,2503, 416, # 2656 +1643,4330, 806,1126, 229, 591,3946,1314,1981,1576,1837,1666, 347,1790, 977,3313, # 2672 + 764,2861,1853, 688,2429,1920,1462, 77, 595, 415,2002,3034, 798,1192,4115,6144, # 2688 +2978,4331,3035,2695,2582,2072,2566, 430,2430,1727, 842,1396,3947,3702, 613, 377, # 2704 + 278, 236,1417,3388,3314,3174, 757,1869, 107,3530,6145,1194, 623,2262, 207,1253, # 2720 +2167,3446,3948, 492,1117,1935, 536,1838,2757,1246,4332, 696,2095,2406,1393,1572, # 2736 +3175,1782, 583, 190, 253,1390,2230, 830,3126,3389, 934,3245,1703,1749,2979,1870, # 2752 +2545,1656,2204, 869,2346,4116,3176,1817, 496,1764,4644, 942,1504, 404,1903,1122, # 2768 +1580,3606,2945,1022, 515, 372,1735, 955,2431,3036,6146,2797,1110,2302,2798, 617, # 2784 +6147, 441, 762,1771,3447,3607,3608,1904, 840,3037, 86, 939,1385, 572,1370,2445, # 2800 +1336, 114,3703, 898, 294, 203,3315, 703,1583,2274, 429, 961,4333,1854,1951,3390, # 2816 +2373,3704,4334,1318,1381, 966,1911,2322,1006,1155, 309, 989, 458,2718,1795,1372, # 2832 +1203, 252,1689,1363,3177, 517,1936, 168,1490, 562, 193,3823,1042,4117,1835, 551, # 2848 + 470,4645, 395, 489,3448,1871,1465,2583,2641, 417,1493, 279,1295, 511,1236,1119, # 2864 + 72,1231,1982,1812,3004, 871,1564, 984,3449,1667,2696,2096,4646,2347,2833,1673, # 2880 +3609, 695,3246,2668, 807,1183,4647, 890, 388,2333,1801,1457,2911,1765,1477,1031, # 2896 +3316,3317,1278,3391,2799,2292,2526, 163,3450,4335,2669,1404,1802,6148,2323,2407, # 2912 +1584,1728,1494,1824,1269, 298, 909,3318,1034,1632, 375, 776,1683,2061, 291, 210, # 2928 +1123, 809,1249,1002,2642,3038, 206,1011,2132, 144, 975, 882,1565, 342, 667, 754, # 2944 +1442,2143,1299,2303,2062, 447, 626,2205,1221,2739,2912,1144,1214,2206,2584, 760, # 2960 +1715, 614, 950,1281,2670,2621, 810, 577,1287,2546,4648, 242,2168, 250,2643, 691, # 2976 + 123,2644, 647, 313,1029, 689,1357,2946,1650, 216, 771,1339,1306, 808,2063, 549, # 2992 + 913,1371,2913,2914,6149,1466,1092,1174,1196,1311,2605,2396,1783,1796,3079, 406, # 3008 +2671,2117,3949,4649, 487,1825,2220,6150,2915, 448,2348,1073,6151,2397,1707, 130, # 3024 + 900,1598, 329, 176,1959,2527,1620,6152,2275,4336,3319,1983,2191,3705,3610,2155, # 3040 +3706,1912,1513,1614,6153,1988, 646, 392,2304,1589,3320,3039,1826,1239,1352,1340, # 3056 +2916, 505,2567,1709,1437,2408,2547, 906,6154,2672, 384,1458,1594,1100,1329, 710, # 3072 + 423,3531,2064,2231,2622,1989,2673,1087,1882, 333, 841,3005,1296,2882,2379, 580, # 3088 +1937,1827,1293,2585, 601, 574, 249,1772,4118,2079,1120, 645, 901,1176,1690, 795, # 3104 +2207, 478,1434, 516,1190,1530, 761,2080, 930,1264, 355, 435,1552, 644,1791, 987, # 3120 + 220,1364,1163,1121,1538, 306,2169,1327,1222, 546,2645, 218, 241, 610,1704,3321, # 3136 +1984,1839,1966,2528, 451,6155,2586,3707,2568, 907,3178, 254,2947, 186,1845,4650, # 3152 + 745, 432,1757, 428,1633, 888,2246,2221,2489,3611,2118,1258,1265, 956,3127,1784, # 3168 +4337,2490, 319, 510, 119, 457,3612, 274,2035,2007,4651,1409,3128, 970,2758, 590, # 3184 +2800, 661,2247,4652,2008,3950,1420,1549,3080,3322,3951,1651,1375,2111, 485,2491, # 3200 +1429,1156,6156,2548,2183,1495, 831,1840,2529,2446, 501,1657, 307,1894,3247,1341, # 3216 + 666, 899,2156,1539,2549,1559, 886, 349,2208,3081,2305,1736,3824,2170,2759,1014, # 3232 +1913,1386, 542,1397,2948, 490, 368, 716, 362, 159, 282,2569,1129,1658,1288,1750, # 3248 +2674, 276, 649,2016, 751,1496, 658,1818,1284,1862,2209,2087,2512,3451, 622,2834, # 3264 + 376, 117,1060,2053,1208,1721,1101,1443, 247,1250,3179,1792,3952,2760,2398,3953, # 3280 +6157,2144,3708, 446,2432,1151,2570,3452,2447,2761,2835,1210,2448,3082, 424,2222, # 3296 +1251,2449,2119,2836, 504,1581,4338, 602, 817, 857,3825,2349,2306, 357,3826,1470, # 3312 +1883,2883, 255, 958, 929,2917,3248, 302,4653,1050,1271,1751,2307,1952,1430,2697, # 3328 +2719,2359, 354,3180, 777, 158,2036,4339,1659,4340,4654,2308,2949,2248,1146,2232, # 3344 +3532,2720,1696,2623,3827,6158,3129,1550,2698,1485,1297,1428, 637, 931,2721,2145, # 3360 + 914,2550,2587, 81,2450, 612, 827,2646,1242,4655,1118,2884, 472,1855,3181,3533, # 3376 +3534, 569,1353,2699,1244,1758,2588,4119,2009,2762,2171,3709,1312,1531,6159,1152, # 3392 +1938, 134,1830, 471,3710,2276,1112,1535,3323,3453,3535, 982,1337,2950, 488, 826, # 3408 + 674,1058,1628,4120,2017, 522,2399, 211, 568,1367,3454, 350, 293,1872,1139,3249, # 3424 +1399,1946,3006,1300,2360,3324, 588, 736,6160,2606, 744, 669,3536,3828,6161,1358, # 3440 + 199, 723, 848, 933, 851,1939,1505,1514,1338,1618,1831,4656,1634,3613, 443,2740, # 3456 +3829, 717,1947, 491,1914,6162,2551,1542,4121,1025,6163,1099,1223, 198,3040,2722, # 3472 + 370, 410,1905,2589, 998,1248,3182,2380, 519,1449,4122,1710, 947, 928,1153,4341, # 3488 +2277, 344,2624,1511, 615, 105, 161,1212,1076,1960,3130,2054,1926,1175,1906,2473, # 3504 + 414,1873,2801,6164,2309, 315,1319,3325, 318,2018,2146,2157, 963, 631, 223,4342, # 3520 +4343,2675, 479,3711,1197,2625,3712,2676,2361,6165,4344,4123,6166,2451,3183,1886, # 3536 +2184,1674,1330,1711,1635,1506, 799, 219,3250,3083,3954,1677,3713,3326,2081,3614, # 3552 +1652,2073,4657,1147,3041,1752, 643,1961, 147,1974,3955,6167,1716,2037, 918,3007, # 3568 +1994, 120,1537, 118, 609,3184,4345, 740,3455,1219, 332,1615,3830,6168,1621,2980, # 3584 +1582, 783, 212, 553,2350,3714,1349,2433,2082,4124, 889,6169,2310,1275,1410, 973, # 3600 + 166,1320,3456,1797,1215,3185,2885,1846,2590,2763,4658, 629, 822,3008, 763, 940, # 3616 +1990,2862, 439,2409,1566,1240,1622, 926,1282,1907,2764, 654,2210,1607, 327,1130, # 3632 +3956,1678,1623,6170,2434,2192, 686, 608,3831,3715, 903,3957,3042,6171,2741,1522, # 3648 +1915,1105,1555,2552,1359, 323,3251,4346,3457, 738,1354,2553,2311,2334,1828,2003, # 3664 +3832,1753,2351,1227,6172,1887,4125,1478,6173,2410,1874,1712,1847, 520,1204,2607, # 3680 + 264,4659, 836,2677,2102, 600,4660,3833,2278,3084,6174,4347,3615,1342, 640, 532, # 3696 + 543,2608,1888,2400,2591,1009,4348,1497, 341,1737,3616,2723,1394, 529,3252,1321, # 3712 + 983,4661,1515,2120, 971,2592, 924, 287,1662,3186,4349,2700,4350,1519, 908,1948, # 3728 +2452, 156, 796,1629,1486,2223,2055, 694,4126,1259,1036,3392,1213,2249,2742,1889, # 3744 +1230,3958,1015, 910, 408, 559,3617,4662, 746, 725, 935,4663,3959,3009,1289, 563, # 3760 + 867,4664,3960,1567,2981,2038,2626, 988,2263,2381,4351, 143,2374, 704,1895,6175, # 3776 +1188,3716,2088, 673,3085,2362,4352, 484,1608,1921,2765,2918, 215, 904,3618,3537, # 3792 + 894, 509, 976,3043,2701,3961,4353,2837,2982, 498,6176,6177,1102,3538,1332,3393, # 3808 +1487,1636,1637, 233, 245,3962, 383, 650, 995,3044, 460,1520,1206,2352, 749,3327, # 3824 + 530, 700, 389,1438,1560,1773,3963,2264, 719,2951,2724,3834, 870,1832,1644,1000, # 3840 + 839,2474,3717, 197,1630,3394, 365,2886,3964,1285,2133, 734, 922, 818,1106, 732, # 3856 + 480,2083,1774,3458, 923,2279,1350, 221,3086, 85,2233,2234,3835,1585,3010,2147, # 3872 +1387,1705,2382,1619,2475, 133, 239,2802,1991,1016,2084,2383, 411,2838,1113, 651, # 3888 +1985,1160,3328, 990,1863,3087,1048,1276,2647, 265,2627,1599,3253,2056, 150, 638, # 3904 +2019, 656, 853, 326,1479, 680,1439,4354,1001,1759, 413,3459,3395,2492,1431, 459, # 3920 +4355,1125,3329,2265,1953,1450,2065,2863, 849, 351,2678,3131,3254,3255,1104,1577, # 3936 + 227,1351,1645,2453,2193,1421,2887, 812,2121, 634, 95,2435, 201,2312,4665,1646, # 3952 +1671,2743,1601,2554,2702,2648,2280,1315,1366,2089,3132,1573,3718,3965,1729,1189, # 3968 + 328,2679,1077,1940,1136, 558,1283, 964,1195, 621,2074,1199,1743,3460,3619,1896, # 3984 +1916,1890,3836,2952,1154,2112,1064, 862, 378,3011,2066,2113,2803,1568,2839,6178, # 4000 +3088,2919,1941,1660,2004,1992,2194, 142, 707,1590,1708,1624,1922,1023,1836,1233, # 4016 +1004,2313, 789, 741,3620,6179,1609,2411,1200,4127,3719,3720,4666,2057,3721, 593, # 4032 +2840, 367,2920,1878,6180,3461,1521, 628,1168, 692,2211,2649, 300, 720,2067,2571, # 4048 +2953,3396, 959,2504,3966,3539,3462,1977, 701,6181, 954,1043, 800, 681, 183,3722, # 4064 +1803,1730,3540,4128,2103, 815,2314, 174, 467, 230,2454,1093,2134, 755,3541,3397, # 4080 +1141,1162,6182,1738,2039, 270,3256,2513,1005,1647,2185,3837, 858,1679,1897,1719, # 4096 +2954,2324,1806, 402, 670, 167,4129,1498,2158,2104, 750,6183, 915, 189,1680,1551, # 4112 + 455,4356,1501,2455, 405,1095,2955, 338,1586,1266,1819, 570, 641,1324, 237,1556, # 4128 +2650,1388,3723,6184,1368,2384,1343,1978,3089,2436, 879,3724, 792,1191, 758,3012, # 4144 +1411,2135,1322,4357, 240,4667,1848,3725,1574,6185, 420,3045,1546,1391, 714,4358, # 4160 +1967, 941,1864, 863, 664, 426, 560,1731,2680,1785,2864,1949,2363, 403,3330,1415, # 4176 +1279,2136,1697,2335, 204, 721,2097,3838, 90,6186,2085,2505, 191,3967, 124,2148, # 4192 +1376,1798,1178,1107,1898,1405, 860,4359,1243,1272,2375,2983,1558,2456,1638, 113, # 4208 +3621, 578,1923,2609, 880, 386,4130, 784,2186,2266,1422,2956,2172,1722, 497, 263, # 4224 +2514,1267,2412,2610, 177,2703,3542, 774,1927,1344, 616,1432,1595,1018, 172,4360, # 4240 +2325, 911,4361, 438,1468,3622, 794,3968,2024,2173,1681,1829,2957, 945, 895,3090, # 4256 + 575,2212,2476, 475,2401,2681, 785,2744,1745,2293,2555,1975,3133,2865, 394,4668, # 4272 +3839, 635,4131, 639, 202,1507,2195,2766,1345,1435,2572,3726,1908,1184,1181,2457, # 4288 +3727,3134,4362, 843,2611, 437, 916,4669, 234, 769,1884,3046,3047,3623, 833,6187, # 4304 +1639,2250,2402,1355,1185,2010,2047, 999, 525,1732,1290,1488,2612, 948,1578,3728, # 4320 +2413,2477,1216,2725,2159, 334,3840,1328,3624,2921,1525,4132, 564,1056, 891,4363, # 4336 +1444,1698,2385,2251,3729,1365,2281,2235,1717,6188, 864,3841,2515, 444, 527,2767, # 4352 +2922,3625, 544, 461,6189, 566, 209,2437,3398,2098,1065,2068,3331,3626,3257,2137, # 4368 #last 512 +) + + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/jpcntx.py b/backend/mb-env/lib/python3.9/site-packages/chardet/jpcntx.py new file mode 100644 index 0000000..20044e4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/jpcntx.py @@ -0,0 +1,233 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Communicator client code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + + +# This is hiragana 2-char sequence table, the number in each cell represents its frequency category +jp2CharContext = ( +(0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1), +(2,4,0,4,0,3,0,4,0,3,4,4,4,2,4,3,3,4,3,2,3,3,4,2,3,3,3,2,4,1,4,3,3,1,5,4,3,4,3,4,3,5,3,0,3,5,4,2,0,3,1,0,3,3,0,3,3,0,1,1,0,4,3,0,3,3,0,4,0,2,0,3,5,5,5,5,4,0,4,1,0,3,4), +(0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2), 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+(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0), +(0,3,0,5,0,4,0,2,1,4,4,2,4,1,4,2,4,2,4,3,3,3,4,3,3,3,3,1,4,2,3,3,3,1,4,4,1,1,1,4,3,3,2,0,2,4,3,2,0,3,3,0,3,1,1,0,0,0,3,3,0,4,2,2,3,4,0,4,0,3,0,4,4,5,3,4,4,0,3,0,0,1,4), +(1,4,0,4,0,4,0,4,0,3,5,4,4,3,4,3,5,4,3,3,4,3,5,4,4,4,4,3,4,2,4,3,3,1,5,4,3,2,4,5,4,5,5,4,4,5,4,4,0,3,2,2,3,3,0,4,3,1,3,2,1,4,3,3,4,5,0,3,0,2,0,4,5,5,4,5,4,0,4,0,0,5,4), +(0,5,0,5,0,4,0,3,0,4,4,3,4,3,3,3,4,0,4,4,4,3,4,3,4,3,3,1,4,2,4,3,4,0,5,4,1,4,5,4,4,5,3,2,4,3,4,3,2,4,1,3,3,3,2,3,2,0,4,3,3,4,3,3,3,4,0,4,0,3,0,4,5,4,4,4,3,0,4,1,0,1,3), +(0,3,1,4,0,3,0,2,0,3,4,4,3,1,4,2,3,3,4,3,4,3,4,3,4,4,3,2,3,1,5,4,4,1,4,4,3,5,4,4,3,5,5,4,3,4,4,3,1,2,3,1,2,2,0,3,2,0,3,1,0,5,3,3,3,4,3,3,3,3,4,4,4,4,5,4,2,0,3,3,2,4,3), +(0,2,0,3,0,1,0,1,0,0,3,2,0,0,2,0,1,0,2,1,3,3,3,1,2,3,1,0,1,0,4,2,1,1,3,3,0,4,3,3,1,4,3,3,0,3,3,2,0,0,0,0,1,0,0,2,0,0,0,0,0,4,1,0,2,3,2,2,2,1,3,3,3,4,4,3,2,0,3,1,0,3,3), +(0,4,0,4,0,3,0,3,0,4,4,4,3,3,3,3,3,3,4,3,4,2,4,3,4,3,3,2,4,3,4,5,4,1,4,5,3,5,4,5,3,5,4,0,3,5,5,3,1,3,3,2,2,3,0,3,4,1,3,3,2,4,3,3,3,4,0,4,0,3,0,4,5,4,4,5,3,0,4,1,0,3,4), +(0,2,0,3,0,3,0,0,0,2,2,2,1,0,1,0,0,0,3,0,3,0,3,0,1,3,1,0,3,1,3,3,3,1,3,3,3,0,1,3,1,3,4,0,0,3,1,1,0,3,2,0,0,0,0,1,3,0,1,0,0,3,3,2,0,3,0,0,0,0,0,3,4,3,4,3,3,0,3,0,0,2,3), +(2,3,0,3,0,2,0,1,0,3,3,4,3,1,3,1,1,1,3,1,4,3,4,3,3,3,0,0,3,1,5,4,3,1,4,3,2,5,5,4,4,4,4,3,3,4,4,4,0,2,1,1,3,2,0,1,2,0,0,1,0,4,1,3,3,3,0,3,0,1,0,4,4,4,5,5,3,0,2,0,0,4,4), +(0,2,0,1,0,3,1,3,0,2,3,3,3,0,3,1,0,0,3,0,3,2,3,1,3,2,1,1,0,0,4,2,1,0,2,3,1,4,3,2,0,4,4,3,1,3,1,3,0,1,0,0,1,0,0,0,1,0,0,0,0,4,1,1,1,2,0,3,0,0,0,3,4,2,4,3,2,0,1,0,0,3,3), +(0,1,0,4,0,5,0,4,0,2,4,4,2,3,3,2,3,3,5,3,3,3,4,3,4,2,3,0,4,3,3,3,4,1,4,3,2,1,5,5,3,4,5,1,3,5,4,2,0,3,3,0,1,3,0,4,2,0,1,3,1,4,3,3,3,3,0,3,0,1,0,3,4,4,4,5,5,0,3,0,1,4,5), +(0,2,0,3,0,3,0,0,0,2,3,1,3,0,4,0,1,1,3,0,3,4,3,2,3,1,0,3,3,2,3,1,3,0,2,3,0,2,1,4,1,2,2,0,0,3,3,0,0,2,0,0,0,1,0,0,0,0,2,2,0,3,2,1,3,3,0,2,0,2,0,0,3,3,1,2,4,0,3,0,2,2,3), +(2,4,0,5,0,4,0,4,0,2,4,4,4,3,4,3,3,3,1,2,4,3,4,3,4,4,5,0,3,3,3,3,2,0,4,3,1,4,3,4,1,4,4,3,3,4,4,3,1,2,3,0,4,2,0,4,1,0,3,3,0,4,3,3,3,4,0,4,0,2,0,3,5,3,4,5,2,0,3,0,0,4,5), +(0,3,0,4,0,1,0,1,0,1,3,2,2,1,3,0,3,0,2,0,2,0,3,0,2,0,0,0,1,0,1,1,0,0,3,1,0,0,0,4,0,3,1,0,2,1,3,0,0,0,0,0,0,3,0,0,0,0,0,0,0,4,2,2,3,1,0,3,0,0,0,1,4,4,4,3,0,0,4,0,0,1,4), +(1,4,1,5,0,3,0,3,0,4,5,4,4,3,5,3,3,4,4,3,4,1,3,3,3,3,2,1,4,1,5,4,3,1,4,4,3,5,4,4,3,5,4,3,3,4,4,4,0,3,3,1,2,3,0,3,1,0,3,3,0,5,4,4,4,4,4,4,3,3,5,4,4,3,3,5,4,0,3,2,0,4,4), 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+(0,3,0,3,0,2,0,3,0,1,5,4,3,3,3,1,4,2,1,2,3,4,4,2,4,4,5,0,3,1,4,3,4,0,4,3,3,3,2,3,2,5,3,4,3,2,2,3,0,0,3,0,2,1,0,1,2,0,0,0,0,2,1,1,3,1,0,2,0,4,0,3,4,4,4,5,2,0,2,0,0,1,3), +(0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,1,1,0,0,1,1,0,0,0,4,2,1,1,0,1,0,3,2,0,0,3,1,1,1,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,1,0,0,0,2,0,0,0,1,4,0,4,2,1,0,0,0,0,0,1), +(0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,0,1,0,1,0,0,0,0,3,1,0,0,0,2,0,2,1,0,0,1,2,1,0,1,1,0,0,3,0,0,0,0,0,0,0,0,0,0,0,1,3,1,0,0,0,0,0,1,0,0,2,1,0,0,0,0,0,0,0,0,2), +(0,4,0,4,0,4,0,3,0,4,4,3,4,2,4,3,2,0,4,4,4,3,5,3,5,3,3,2,4,2,4,3,4,3,1,4,0,2,3,4,4,4,3,3,3,4,4,4,3,4,1,3,4,3,2,1,2,1,3,3,3,4,4,3,3,5,0,4,0,3,0,4,3,3,3,2,1,0,3,0,0,3,3), +(0,4,0,3,0,3,0,3,0,3,5,5,3,3,3,3,4,3,4,3,3,3,4,4,4,3,3,3,3,4,3,5,3,3,1,3,2,4,5,5,5,5,4,3,4,5,5,3,2,2,3,3,3,3,2,3,3,1,2,3,2,4,3,3,3,4,0,4,0,2,0,4,3,2,2,1,2,0,3,0,0,4,1), +) + +class JapaneseContextAnalysis(object): + NUM_OF_CATEGORY = 6 + DONT_KNOW = -1 + ENOUGH_REL_THRESHOLD = 100 + MAX_REL_THRESHOLD = 1000 + MINIMUM_DATA_THRESHOLD = 4 + + def __init__(self): + self._total_rel = None + self._rel_sample = None + self._need_to_skip_char_num = None + self._last_char_order = None + self._done = None + self.reset() + + def reset(self): + self._total_rel = 0 # total sequence received + # category counters, each integer counts sequence in its category + self._rel_sample = [0] * self.NUM_OF_CATEGORY + # if last byte in current buffer is not the last byte of a character, + # we need to know how many bytes to skip in next buffer + self._need_to_skip_char_num = 0 + self._last_char_order = -1 # The order of previous char + # If this flag is set to True, detection is done and conclusion has + # been made + self._done = False + + def feed(self, byte_str, num_bytes): + if self._done: + return + + # The buffer we got is byte oriented, and a character may span in more than one + # buffers. In case the last one or two byte in last buffer is not + # complete, we record how many byte needed to complete that character + # and skip these bytes here. We can choose to record those bytes as + # well and analyse the character once it is complete, but since a + # character will not make much difference, by simply skipping + # this character will simply our logic and improve performance. + i = self._need_to_skip_char_num + while i < num_bytes: + order, char_len = self.get_order(byte_str[i:i + 2]) + i += char_len + if i > num_bytes: + self._need_to_skip_char_num = i - num_bytes + self._last_char_order = -1 + else: + if (order != -1) and (self._last_char_order != -1): + self._total_rel += 1 + if self._total_rel > self.MAX_REL_THRESHOLD: + self._done = True + break + self._rel_sample[jp2CharContext[self._last_char_order][order]] += 1 + self._last_char_order = order + + def got_enough_data(self): + return self._total_rel > self.ENOUGH_REL_THRESHOLD + + def get_confidence(self): + # This is just one way to calculate confidence. It works well for me. + if self._total_rel > self.MINIMUM_DATA_THRESHOLD: + return (self._total_rel - self._rel_sample[0]) / self._total_rel + else: + return self.DONT_KNOW + + def get_order(self, byte_str): + return -1, 1 + +class SJISContextAnalysis(JapaneseContextAnalysis): + def __init__(self): + super(SJISContextAnalysis, self).__init__() + self._charset_name = "SHIFT_JIS" + + @property + def charset_name(self): + return self._charset_name + + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (0x81 <= first_char <= 0x9F) or (0xE0 <= first_char <= 0xFC): + char_len = 2 + if (first_char == 0x87) or (0xFA <= first_char <= 0xFC): + self._charset_name = "CP932" + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 202) and (0x9F <= second_char <= 0xF1): + return second_char - 0x9F, char_len + + return -1, char_len + +class EUCJPContextAnalysis(JapaneseContextAnalysis): + def get_order(self, byte_str): + if not byte_str: + return -1, 1 + # find out current char's byte length + first_char = byte_str[0] + if (first_char == 0x8E) or (0xA1 <= first_char <= 0xFE): + char_len = 2 + elif first_char == 0x8F: + char_len = 3 + else: + char_len = 1 + + # return its order if it is hiragana + if len(byte_str) > 1: + second_char = byte_str[1] + if (first_char == 0xA4) and (0xA1 <= second_char <= 0xF3): + return second_char - 0xA1, char_len + + return -1, char_len + + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langbulgarianmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langbulgarianmodel.py new file mode 100644 index 0000000..561bfd9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langbulgarianmodel.py @@ -0,0 +1,4650 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +BULGARIAN_LANG_MODEL = { + 63: { # 'e' + 63: 1, # 'e' + 45: 0, # '\xad' + 31: 0, # 'А' + 32: 0, # 'Б' + 35: 0, # 'В' + 43: 0, # 'Г' + 37: 0, # 'Д' + 44: 0, # 'Е' + 55: 0, # 'Ж' + 47: 0, # 'З' + 40: 0, # 'И' + 59: 0, # 'Й' + 33: 0, # 'К' + 46: 0, # 'Л' + 38: 0, # 'М' + 36: 0, # 'Н' + 41: 0, # 'О' + 30: 0, # 'П' + 39: 0, # 'Р' + 28: 0, # 'С' + 34: 0, # 'Т' + 51: 0, # 'У' + 48: 0, # 'Ф' + 49: 0, # 'Х' + 53: 0, # 'Ц' + 50: 0, # 'Ч' + 54: 0, # 'Ш' + 57: 0, # 'Щ' + 61: 0, # 'Ъ' + 60: 0, # 'Ю' + 56: 0, # 'Я' + 1: 0, # 'а' + 18: 1, # 'б' + 9: 1, # 'в' + 20: 1, # 'г' + 11: 1, # 'д' + 3: 1, # 'е' + 23: 1, # 'ж' + 15: 1, # 'з' + 2: 0, # 'и' + 26: 1, # 'й' + 12: 1, # 'к' + 10: 1, # 'л' + 14: 1, # 'м' + 6: 1, # 'н' + 4: 1, # 'о' + 13: 1, # 'п' + 7: 1, # 'р' + 8: 1, # 'с' + 5: 1, # 'т' + 19: 0, # 'у' + 29: 1, # 'ф' + 25: 1, # 'х' + 22: 0, # 'ц' + 21: 1, # 'ч' + 27: 1, # 'ш' + 24: 1, # 'щ' + 17: 0, # 'ъ' + 52: 0, # 'ь' + 42: 0, # 'ю' + 16: 1, # 'я' + 58: 0, # 'є' + 62: 0, # '№' + }, + 45: { # '\xad' + 63: 0, # 'e' + 45: 0, # '\xad' + 31: 0, # 'А' + 32: 1, # 'Б' + 35: 1, # 'В' + 43: 0, # 'Г' + 37: 1, # 'Д' + 44: 0, # 'Е' + 55: 0, # 'Ж' + 47: 0, # 'З' + 40: 1, # 'И' + 59: 0, # 'Й' + 33: 1, # 'К' + 46: 0, # 'Л' + 38: 1, # 'М' + 36: 0, # 'Н' + 41: 1, # 'О' + 30: 1, # 'П' + 39: 1, # 'Р' + 28: 1, # 'С' + 34: 0, # 'Т' + 51: 0, # 'У' + 48: 0, # 'Ф' + 49: 1, # 'Х' + 53: 0, # 'Ц' + 50: 0, # 'Ч' + 54: 0, # 'Ш' + 57: 0, # 'Щ' + 61: 0, # 'Ъ' + 60: 0, # 'Ю' + 56: 0, # 'Я' + 1: 0, # 'а' + 18: 0, # 'б' + 9: 0, # 'в' + 20: 0, # 'г' + 11: 0, # 'д' + 3: 0, # 'е' + 23: 0, # 'ж' + 15: 0, # 'з' + 2: 0, # 'и' + 26: 0, # 'й' + 12: 0, # 'к' + 10: 0, # 'л' + 14: 0, # 'м' + 6: 0, # 'н' + 4: 0, # 'о' + 13: 0, # 'п' + 7: 0, # 'р' + 8: 0, # 'с' + 5: 0, # 'т' + 19: 0, # 'у' + 29: 0, # 'ф' + 25: 0, # 'х' + 22: 0, # 'ц' + 21: 0, # 'ч' + 27: 0, # 'ш' + 24: 0, # 'щ' + 17: 0, # 'ъ' + 52: 0, # 'ь' + 42: 0, # 'ю' + 16: 0, # 'я' + 58: 0, # 'є' + 62: 0, # '№' + }, + 31: { # 'А' + 63: 0, # 'e' + 45: 1, # '\xad' + 31: 1, # 'А' + 32: 1, # 'Б' + 35: 2, # 'В' + 43: 1, # 'Г' + 37: 2, # 'Д' + 44: 2, # 'Е' + 55: 1, # 'Ж' + 47: 2, # 'З' + 40: 1, # 'И' + 59: 1, # 'Й' + 33: 1, # 'К' + 46: 2, # 'Л' + 38: 1, # 'М' + 36: 2, # 'Н' + 41: 1, # 'О' + 30: 2, # 'П' + 39: 2, # 'Р' + 28: 2, # 'С' + 34: 2, # 'Т' + 51: 1, # 'У' + 48: 2, # 'Ф' + 49: 1, # 'Х' + 53: 1, # 'Ц' + 50: 1, # 'Ч' + 54: 1, # 'Ш' + 57: 2, # 'Щ' + 61: 0, # 'Ъ' + 60: 0, # 'Ю' + 56: 1, # 'Я' + 1: 1, # 'а' + 18: 2, # 'б' + 9: 2, # 'в' + 20: 2, # 'г' + 11: 2, # 'д' + 3: 1, # 'е' + 23: 1, # 'ж' + 15: 2, # 'з' + 2: 0, # 'и' + 26: 2, # 'й' + 12: 2, # 'к' + 10: 3, # 'л' + 14: 2, # 'м' + 6: 3, # 'н' + 4: 0, # 'о' + 13: 2, # 'п' + 7: 2, # 'р' + 8: 2, # 'с' + 5: 2, # 'т' + 19: 1, # 'у' + 29: 2, # 'ф' + 25: 1, # 'х' + 22: 1, # 'ц' + 21: 1, # 'ч' + 27: 1, # 'ш' + 24: 0, # 'щ' + 17: 0, # 'ъ' + 52: 0, # 'ь' + 42: 0, # 'ю' + 16: 1, # 'я' + 58: 0, # 'є' + 62: 0, # '№' + }, + 32: { # 'Б' + 63: 0, # 'e' + 45: 0, # '\xad' + 31: 2, # 'А' + 32: 2, # 'Б' + 35: 1, # 'В' + 43: 1, # 'Г' + 37: 2, # 'Д' + 44: 1, # 'Е' + 55: 1, # 'Ж' + 47: 2, # 'З' + 40: 1, # 'И' + 59: 0, # 'Й' + 33: 1, # 'К' + 46: 1, # 'Л' + 38: 1, # 'М' + 36: 2, # 'Н' + 41: 2, # 'О' + 30: 1, # 'П' + 39: 1, # 'Р' + 28: 2, # 'С' + 34: 2, # 'Т' + 51: 1, # 'У' + 48: 2, # 'Ф' + 49: 1, # 'Х' + 53: 1, # 'Ц' + 50: 1, # 'Ч' + 54: 0, # 'Ш' + 57: 1, # 'Щ' + 61: 2, # 'Ъ' + 60: 1, # 'Ю' + 56: 1, # 'Я' + 1: 3, # 'а' + 18: 0, # 'б' + 9: 0, # 'в' + 20: 0, # 'г' + 11: 1, # 'д' + 3: 3, # 'е' + 23: 0, # 'ж' + 15: 0, # 'з' + 2: 2, # 'и' + 26: 0, # 'й' + 12: 0, # 'к' + 10: 2, # 'л' + 14: 0, # 'м' + 6: 0, # 'н' + 4: 3, # 'о' + 13: 0, # 'п' + 7: 2, # 'р' + 8: 1, # 'с' + 5: 0, # 'т' + 19: 2, # 'у' + 29: 0, # 'ф' + 25: 1, # 'х' + 22: 0, # 'ц' + 21: 0, # 'ч' + 27: 0, # 'ш' + 24: 0, # 'щ' + 17: 3, # 'ъ' + 52: 1, # 'ь' + 42: 1, # 'ю' + 16: 2, # 'я' + 58: 0, # 'є' + 62: 0, # '№' + }, + 35: { # 'В' + 63: 0, # 'e' + 45: 0, # '\xad' + 31: 2, # 'А' + 32: 1, # 'Б' + 35: 1, # 'В' + 43: 0, # 'Г' + 37: 1, # 'Д' + 44: 2, # 'Е' + 55: 0, # 'Ж' + 47: 0, # 'З' + 40: 2, # 'И' + 59: 0, # 'Й' + 33: 1, # 'К' + 46: 1, # 'Л' + 38: 1, # 'М' + 36: 1, # 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' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 77, # 'A' + 66: 90, # 'B' + 67: 99, # 'C' + 68: 100, # 'D' + 69: 72, # 'E' + 70: 109, # 'F' + 71: 107, # 'G' + 72: 101, # 'H' + 73: 79, # 'I' + 74: 185, # 'J' + 75: 81, # 'K' + 76: 102, # 'L' + 77: 76, # 'M' + 78: 94, # 'N' + 79: 82, # 'O' + 80: 110, # 'P' + 81: 186, # 'Q' + 82: 108, # 'R' + 83: 91, # 'S' + 84: 74, # 'T' + 85: 119, # 'U' + 86: 84, # 'V' + 87: 96, # 'W' + 88: 111, # 'X' + 89: 187, # 'Y' + 90: 115, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 65, # 'a' + 98: 69, # 'b' + 99: 70, # 'c' + 100: 66, # 'd' + 101: 63, # 'e' + 102: 68, # 'f' + 103: 112, # 'g' + 104: 103, # 'h' + 105: 92, # 'i' + 106: 194, # 'j' + 107: 104, # 'k' + 108: 95, # 'l' + 109: 86, # 'm' + 110: 87, # 'n' + 111: 71, # 'o' + 112: 116, # 'p' + 113: 195, # 'q' + 114: 85, # 'r' + 115: 93, # 's' + 116: 97, # 't' + 117: 113, # 'u' + 118: 196, # 'v' + 119: 197, # 'w' + 120: 198, # 'x' + 121: 199, # 'y' + 122: 200, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 194, # '\x80' + 129: 195, # '\x81' + 130: 196, # '\x82' + 131: 197, # '\x83' + 132: 198, # '\x84' + 133: 199, # '\x85' + 134: 200, # '\x86' + 135: 201, # '\x87' + 136: 202, # '\x88' + 137: 203, # '\x89' + 138: 204, # '\x8a' + 139: 205, # '\x8b' + 140: 206, # '\x8c' + 141: 207, # '\x8d' + 142: 208, # '\x8e' + 143: 209, # '\x8f' + 144: 210, # '\x90' + 145: 211, # '\x91' + 146: 212, # '\x92' + 147: 213, # '\x93' + 148: 214, # '\x94' + 149: 215, # '\x95' + 150: 216, # '\x96' + 151: 217, # '\x97' + 152: 218, # '\x98' + 153: 219, # '\x99' + 154: 220, # '\x9a' + 155: 221, # '\x9b' + 156: 222, # '\x9c' + 157: 223, # '\x9d' + 158: 224, # '\x9e' + 159: 225, # '\x9f' + 160: 81, # '\xa0' + 161: 226, # 'Ё' + 162: 227, # 'Ђ' + 163: 228, # 'Ѓ' + 164: 229, # 'Є' + 165: 230, # 'Ѕ' + 166: 105, # 'І' + 167: 231, # 'Ї' + 168: 232, # 'Ј' + 169: 233, # 'Љ' + 170: 234, # 'Њ' + 171: 235, # 'Ћ' + 172: 236, # 'Ќ' + 173: 45, # '\xad' + 174: 237, # 'Ў' + 175: 238, # 'Џ' + 176: 31, # 'А' + 177: 32, # 'Б' + 178: 35, # 'В' + 179: 43, # 'Г' + 180: 37, # 'Д' + 181: 44, # 'Е' + 182: 55, # 'Ж' + 183: 47, # 'З' + 184: 40, # 'И' + 185: 59, # 'Й' + 186: 33, # 'К' + 187: 46, # 'Л' + 188: 38, # 'М' + 189: 36, # 'Н' + 190: 41, # 'О' + 191: 30, # 'П' + 192: 39, # 'Р' + 193: 28, # 'С' + 194: 34, # 'Т' + 195: 51, # 'У' + 196: 48, # 'Ф' + 197: 49, # 'Х' + 198: 53, # 'Ц' + 199: 50, # 'Ч' + 200: 54, # 'Ш' + 201: 57, # 'Щ' + 202: 61, # 'Ъ' + 203: 239, # 'Ы' + 204: 67, # 'Ь' + 205: 240, # 'Э' + 206: 60, # 'Ю' + 207: 56, # 'Я' + 208: 1, # 'а' + 209: 18, # 'б' + 210: 9, # 'в' + 211: 20, # 'г' + 212: 11, # 'д' + 213: 3, # 'е' + 214: 23, # 'ж' + 215: 15, # 'з' + 216: 2, # 'и' + 217: 26, # 'й' + 218: 12, # 'к' + 219: 10, # 'л' + 220: 14, # 'м' + 221: 6, # 'н' + 222: 4, # 'о' + 223: 13, # 'п' + 224: 7, # 'р' + 225: 8, # 'с' + 226: 5, # 'т' + 227: 19, # 'у' + 228: 29, # 'ф' + 229: 25, # 'х' + 230: 22, # 'ц' + 231: 21, # 'ч' + 232: 27, # 'ш' + 233: 24, # 'щ' + 234: 17, # 'ъ' + 235: 75, # 'ы' + 236: 52, # 'ь' + 237: 241, # 'э' + 238: 42, # 'ю' + 239: 16, # 'я' + 240: 62, # '№' + 241: 242, # 'ё' + 242: 243, # 'ђ' + 243: 244, # 'ѓ' + 244: 58, # 'є' + 245: 245, # 'ѕ' + 246: 98, # 'і' + 247: 246, # 'ї' + 248: 247, # 'ј' + 249: 248, # 'љ' + 250: 249, # 'њ' + 251: 250, # 'ћ' + 252: 251, # 'ќ' + 253: 91, # '§' + 254: 252, # 'ў' + 255: 253, # 'џ' +} + +ISO_8859_5_BULGARIAN_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-5', + language='Bulgarian', + char_to_order_map=ISO_8859_5_BULGARIAN_CHAR_TO_ORDER, + language_model=BULGARIAN_LANG_MODEL, + typical_positive_ratio=0.969392, + keep_ascii_letters=False, + alphabet='АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯабвгдежзийклмнопрстуфхцчшщъьюя') + +WINDOWS_1251_BULGARIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 77, # 'A' + 66: 90, # 'B' + 67: 99, # 'C' + 68: 100, # 'D' + 69: 72, # 'E' + 70: 109, # 'F' + 71: 107, # 'G' + 72: 101, # 'H' + 73: 79, # 'I' + 74: 185, # 'J' + 75: 81, # 'K' + 76: 102, # 'L' + 77: 76, # 'M' + 78: 94, # 'N' + 79: 82, # 'O' + 80: 110, # 'P' + 81: 186, # 'Q' + 82: 108, # 'R' + 83: 91, # 'S' + 84: 74, # 'T' + 85: 119, # 'U' + 86: 84, # 'V' + 87: 96, # 'W' + 88: 111, # 'X' + 89: 187, # 'Y' + 90: 115, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 65, # 'a' + 98: 69, # 'b' + 99: 70, # 'c' + 100: 66, # 'd' + 101: 63, # 'e' + 102: 68, # 'f' + 103: 112, # 'g' + 104: 103, # 'h' + 105: 92, # 'i' + 106: 194, # 'j' + 107: 104, # 'k' + 108: 95, # 'l' + 109: 86, # 'm' + 110: 87, # 'n' + 111: 71, # 'o' + 112: 116, # 'p' + 113: 195, # 'q' + 114: 85, # 'r' + 115: 93, # 's' + 116: 97, # 't' + 117: 113, # 'u' + 118: 196, # 'v' + 119: 197, # 'w' + 120: 198, # 'x' + 121: 199, # 'y' + 122: 200, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 206, # 'Ђ' + 129: 207, # 'Ѓ' + 130: 208, # '‚' + 131: 209, # 'ѓ' + 132: 210, # '„' + 133: 211, # '…' + 134: 212, # '†' + 135: 213, # '‡' + 136: 120, # '€' + 137: 214, # '‰' + 138: 215, # 'Љ' + 139: 216, # '‹' + 140: 217, # 'Њ' + 141: 218, # 'Ќ' + 142: 219, # 'Ћ' + 143: 220, # 'Џ' + 144: 221, # 'ђ' + 145: 78, # '‘' + 146: 64, # '’' + 147: 83, # '“' + 148: 121, # '”' + 149: 98, # '•' + 150: 117, # '–' + 151: 105, # '—' + 152: 222, # None + 153: 223, # '™' + 154: 224, # 'љ' + 155: 225, # '›' + 156: 226, # 'њ' + 157: 227, # 'ќ' + 158: 228, # 'ћ' + 159: 229, # 'џ' + 160: 88, # '\xa0' + 161: 230, # 'Ў' + 162: 231, # 'ў' + 163: 232, # 'Ј' + 164: 233, # '¤' + 165: 122, # 'Ґ' + 166: 89, # '¦' + 167: 106, # '§' + 168: 234, # 'Ё' + 169: 235, # '©' + 170: 236, # 'Є' + 171: 237, # '«' + 172: 238, # '¬' + 173: 45, # '\xad' + 174: 239, # '®' + 175: 240, # 'Ї' + 176: 73, # '°' + 177: 80, # '±' + 178: 118, # 'І' + 179: 114, # 'і' + 180: 241, # 'ґ' + 181: 242, # 'µ' + 182: 243, # '¶' + 183: 244, # '·' + 184: 245, # 'ё' + 185: 62, # '№' + 186: 58, # 'є' + 187: 246, # '»' + 188: 247, # 'ј' + 189: 248, # 'Ѕ' + 190: 249, # 'ѕ' + 191: 250, # 'ї' + 192: 31, # 'А' + 193: 32, # 'Б' + 194: 35, # 'В' + 195: 43, # 'Г' + 196: 37, # 'Д' + 197: 44, # 'Е' + 198: 55, # 'Ж' + 199: 47, # 'З' + 200: 40, # 'И' + 201: 59, # 'Й' + 202: 33, # 'К' + 203: 46, # 'Л' + 204: 38, # 'М' + 205: 36, # 'Н' + 206: 41, # 'О' + 207: 30, # 'П' + 208: 39, # 'Р' + 209: 28, # 'С' + 210: 34, # 'Т' + 211: 51, # 'У' + 212: 48, # 'Ф' + 213: 49, # 'Х' + 214: 53, # 'Ц' + 215: 50, # 'Ч' + 216: 54, # 'Ш' + 217: 57, # 'Щ' + 218: 61, # 'Ъ' + 219: 251, # 'Ы' + 220: 67, # 'Ь' + 221: 252, # 'Э' + 222: 60, # 'Ю' + 223: 56, # 'Я' + 224: 1, # 'а' + 225: 18, # 'б' + 226: 9, # 'в' + 227: 20, # 'г' + 228: 11, # 'д' + 229: 3, # 'е' + 230: 23, # 'ж' + 231: 15, # 'з' + 232: 2, # 'и' + 233: 26, # 'й' + 234: 12, # 'к' + 235: 10, # 'л' + 236: 14, # 'м' + 237: 6, # 'н' + 238: 4, # 'о' + 239: 13, # 'п' + 240: 7, # 'р' + 241: 8, # 'с' + 242: 5, # 'т' + 243: 19, # 'у' + 244: 29, # 'ф' + 245: 25, # 'х' + 246: 22, # 'ц' + 247: 21, # 'ч' + 248: 27, # 'ш' + 249: 24, # 'щ' + 250: 17, # 'ъ' + 251: 75, # 'ы' + 252: 52, # 'ь' + 253: 253, # 'э' + 254: 42, # 'ю' + 255: 16, # 'я' +} + +WINDOWS_1251_BULGARIAN_MODEL = SingleByteCharSetModel(charset_name='windows-1251', + language='Bulgarian', + char_to_order_map=WINDOWS_1251_BULGARIAN_CHAR_TO_ORDER, + language_model=BULGARIAN_LANG_MODEL, + typical_positive_ratio=0.969392, + keep_ascii_letters=False, + alphabet='АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯабвгдежзийклмнопрстуфхцчшщъьюя') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langgreekmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langgreekmodel.py new file mode 100644 index 0000000..02b94de --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langgreekmodel.py @@ -0,0 +1,4398 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +GREEK_LANG_MODEL = { + 60: { # 'e' + 60: 2, # 'e' + 55: 1, # 'o' + 58: 2, # 't' + 36: 1, # '·' + 61: 0, # 'Ά' + 46: 0, # 'Έ' + 54: 0, # 'Ό' + 31: 0, # 'Α' + 51: 0, # 'Β' + 43: 0, # 'Γ' + 41: 0, # 'Δ' + 34: 0, # 'Ε' + 40: 0, # 'Η' + 52: 0, # 'Θ' + 47: 0, # 'Ι' + 44: 0, # 'Κ' + 53: 0, # 'Λ' + 38: 0, # 'Μ' + 49: 0, # 'Ν' + 59: 0, # 'Ξ' + 39: 0, # 'Ο' + 35: 0, # 'Π' + 48: 0, # 'Ρ' + 37: 0, # 'Σ' + 33: 0, # 'Τ' + 45: 0, # 'Υ' + 56: 0, # 'Φ' + 50: 1, # 'Χ' + 57: 0, # 'Ω' + 17: 0, # 'ά' + 18: 0, # 'έ' + 22: 0, # 'ή' + 15: 0, # 'ί' + 1: 0, # 'α' + 29: 0, # 'β' + 20: 0, # 'γ' + 21: 0, # 'δ' + 3: 0, # 'ε' + 32: 0, # 'ζ' + 13: 0, # 'η' + 25: 0, # 'θ' + 5: 0, # 'ι' + 11: 0, # 'κ' + 16: 0, # 'λ' + 10: 0, # 'μ' + 6: 0, # 'ν' + 30: 0, # 'ξ' + 4: 0, # 'ο' + 9: 0, # 'π' + 8: 0, # 'ρ' + 14: 0, # 'ς' + 7: 0, # 'σ' + 2: 0, # 'τ' + 12: 0, # 'υ' + 28: 0, # 'φ' + 23: 0, # 'χ' + 42: 0, # 'ψ' + 24: 0, # 'ω' + 19: 0, # 'ό' + 26: 0, # 'ύ' + 27: 0, # 'ώ' + }, + 55: { # 'o' + 60: 0, # 'e' + 55: 2, # 'o' + 58: 2, # 't' + 36: 1, # '·' + 61: 0, # 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's' + 116: 58, # 't' + 117: 76, # 'u' + 118: 106, # 'v' + 119: 103, # 'w' + 120: 87, # 'x' + 121: 107, # 'y' + 122: 112, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 255, # '\x80' + 129: 255, # '\x81' + 130: 255, # '\x82' + 131: 255, # '\x83' + 132: 255, # '\x84' + 133: 255, # '\x85' + 134: 255, # '\x86' + 135: 255, # '\x87' + 136: 255, # '\x88' + 137: 255, # '\x89' + 138: 255, # '\x8a' + 139: 255, # '\x8b' + 140: 255, # '\x8c' + 141: 255, # '\x8d' + 142: 255, # '\x8e' + 143: 255, # '\x8f' + 144: 255, # '\x90' + 145: 255, # '\x91' + 146: 255, # '\x92' + 147: 255, # '\x93' + 148: 255, # '\x94' + 149: 255, # '\x95' + 150: 255, # '\x96' + 151: 255, # '\x97' + 152: 255, # '\x98' + 153: 255, # '\x99' + 154: 255, # '\x9a' + 155: 255, # '\x9b' + 156: 255, # '\x9c' + 157: 255, # '\x9d' + 158: 255, # '\x9e' + 159: 255, # '\x9f' + 160: 253, # '\xa0' + 161: 233, # '‘' + 162: 90, # '’' + 163: 253, # '£' + 164: 253, # '€' + 165: 253, # '₯' + 166: 253, # '¦' + 167: 253, # '§' + 168: 253, # '¨' + 169: 253, # '©' + 170: 253, # 'ͺ' + 171: 253, # '«' + 172: 253, # '¬' + 173: 74, # '\xad' + 174: 253, # None + 175: 253, # '―' + 176: 253, # '°' + 177: 253, # '±' + 178: 253, # '²' + 179: 253, # '³' + 180: 247, # '΄' + 181: 248, # '΅' + 182: 61, # 'Ά' + 183: 36, # '·' + 184: 46, # 'Έ' + 185: 71, # 'Ή' + 186: 73, # 'Ί' + 187: 253, # '»' + 188: 54, # 'Ό' + 189: 253, # '½' + 190: 108, # 'Ύ' + 191: 123, # 'Ώ' + 192: 110, # 'ΐ' + 193: 31, # 'Α' + 194: 51, # 'Β' + 195: 43, # 'Γ' + 196: 41, # 'Δ' + 197: 34, # 'Ε' + 198: 91, # 'Ζ' + 199: 40, # 'Η' + 200: 52, # 'Θ' + 201: 47, # 'Ι' + 202: 44, # 'Κ' + 203: 53, # 'Λ' + 204: 38, # 'Μ' + 205: 49, # 'Ν' + 206: 59, # 'Ξ' + 207: 39, # 'Ο' + 208: 35, # 'Π' + 209: 48, # 'Ρ' + 210: 250, # None + 211: 37, # 'Σ' + 212: 33, # 'Τ' + 213: 45, # 'Υ' + 214: 56, # 'Φ' + 215: 50, # 'Χ' + 216: 84, # 'Ψ' + 217: 57, # 'Ω' + 218: 120, # 'Ϊ' + 219: 121, # 'Ϋ' + 220: 17, # 'ά' + 221: 18, # 'έ' + 222: 22, # 'ή' + 223: 15, # 'ί' + 224: 124, # 'ΰ' + 225: 1, # 'α' + 226: 29, # 'β' + 227: 20, # 'γ' + 228: 21, # 'δ' + 229: 3, # 'ε' + 230: 32, # 'ζ' + 231: 13, # 'η' + 232: 25, # 'θ' + 233: 5, # 'ι' + 234: 11, # 'κ' + 235: 16, # 'λ' + 236: 10, # 'μ' + 237: 6, # 'ν' + 238: 30, # 'ξ' + 239: 4, # 'ο' + 240: 9, # 'π' + 241: 8, # 'ρ' + 242: 14, # 'ς' + 243: 7, # 'σ' + 244: 2, # 'τ' + 245: 12, # 'υ' + 246: 28, # 'φ' + 247: 23, # 'χ' + 248: 42, # 'ψ' + 249: 24, # 'ω' + 250: 64, # 'ϊ' + 251: 75, # 'ϋ' + 252: 19, # 'ό' + 253: 26, # 'ύ' + 254: 27, # 'ώ' + 255: 253, # None +} + +ISO_8859_7_GREEK_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-7', + language='Greek', + char_to_order_map=ISO_8859_7_GREEK_CHAR_TO_ORDER, + language_model=GREEK_LANG_MODEL, + typical_positive_ratio=0.982851, + keep_ascii_letters=False, + alphabet='ΆΈΉΊΌΎΏΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩάέήίαβγδεζηθικλμνξοπρςστυφχψωόύώ') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langhebrewmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langhebrewmodel.py new file mode 100644 index 0000000..40fd674 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langhebrewmodel.py @@ -0,0 +1,4383 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +HEBREW_LANG_MODEL = { + 50: { # 'a' + 50: 0, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 2, # 'l' + 54: 2, # 'n' + 49: 0, # 'o' + 51: 2, # 'r' + 43: 1, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 1, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 1, # 'ק' + 7: 0, # 'ר' + 10: 1, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 60: { # 'c' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 0, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 0, # 'n' + 49: 1, # 'o' + 51: 1, # 'r' + 43: 1, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 1, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 1, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 1, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 61: { # 'd' + 50: 1, # 'a' + 60: 0, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 1, # 'n' + 49: 2, # 'o' + 51: 1, # 'r' + 43: 1, # 's' + 44: 0, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 1, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 1, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 42: { # 'e' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 2, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 2, # 'l' + 54: 2, # 'n' + 49: 1, # 'o' + 51: 2, # 'r' + 43: 2, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 1, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 1, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 1, # '–' + 52: 2, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 53: { # 'i' + 50: 1, # 'a' + 60: 2, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 0, # 'i' + 56: 1, # 'l' + 54: 2, # 'n' + 49: 2, # 'o' + 51: 1, # 'r' + 43: 2, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 1, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 0, # '…' + }, + 56: { # 'l' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 2, # 'e' + 53: 2, # 'i' + 56: 2, # 'l' + 54: 1, # 'n' + 49: 1, # 'o' + 51: 0, # 'r' + 43: 1, # 's' + 44: 1, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 54: { # 'n' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 1, # 'n' + 49: 1, # 'o' + 51: 0, # 'r' + 43: 1, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 1, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 2, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 49: { # 'o' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 2, # 'n' + 49: 1, # 'o' + 51: 2, # 'r' + 43: 1, # 's' + 44: 1, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 1, # '…' + }, + 51: { # 'r' + 50: 2, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 2, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 1, # 'n' + 49: 2, # 'o' + 51: 1, # 'r' + 43: 1, # 's' + 44: 1, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 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'ד' + 3: 3, # 'ה' + 2: 3, # 'ו' + 24: 2, # 'ז' + 14: 3, # 'ח' + 22: 2, # 'ט' + 1: 3, # 'י' + 25: 2, # 'ך' + 15: 3, # 'כ' + 4: 3, # 'ל' + 11: 3, # 'ם' + 6: 3, # 'מ' + 23: 3, # 'ן' + 12: 3, # 'נ' + 19: 2, # 'ס' + 13: 3, # 'ע' + 26: 2, # 'ף' + 18: 3, # 'פ' + 27: 1, # 'ץ' + 21: 2, # 'צ' + 17: 3, # 'ק' + 7: 3, # 'ר' + 10: 3, # 'ש' + 5: 3, # 'ת' + 32: 1, # '–' + 52: 1, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 2, # '…' + }, + 32: { # '–' + 50: 0, # 'a' + 60: 0, # 'c' + 61: 0, # 'd' + 42: 0, # 'e' + 53: 0, # 'i' + 56: 0, # 'l' + 54: 1, # 'n' + 49: 0, # 'o' + 51: 0, # 'r' + 43: 0, # 's' + 44: 0, # 't' + 63: 0, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 1, # 'א' + 8: 1, # 'ב' + 20: 1, # 'ג' + 16: 1, # 'ד' + 3: 1, # 'ה' + 2: 1, # 'ו' + 24: 0, # 'ז' + 14: 1, # 'ח' + 22: 0, # 'ט' + 1: 1, # 'י' + 25: 0, # 'ך' + 15: 1, # 'כ' + 4: 1, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 1, # 'ס' + 13: 1, # 'ע' + 26: 0, # 'ף' + 18: 1, # 'פ' + 27: 0, # 'ץ' + 21: 1, # 'צ' + 17: 0, # 'ק' + 7: 1, # 'ר' + 10: 1, # 'ש' + 5: 1, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 0, # '…' + }, + 52: { # '’' + 50: 1, # 'a' + 60: 0, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 0, # 'n' + 49: 0, # 'o' + 51: 1, # 'r' + 43: 2, # 's' + 44: 2, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 1, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 1, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 0, # '…' + }, + 47: { # '“' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 1, # 'l' + 54: 1, # 'n' + 49: 1, # 'o' + 51: 1, # 'r' + 43: 1, # 's' + 44: 1, # 't' + 63: 1, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 2, # 'א' + 8: 1, # 'ב' + 20: 1, # 'ג' + 16: 1, # 'ד' + 3: 1, # 'ה' + 2: 1, # 'ו' + 24: 1, # 'ז' + 14: 1, # 'ח' + 22: 1, # 'ט' + 1: 1, # 'י' + 25: 0, # 'ך' + 15: 1, # 'כ' + 4: 1, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 1, # 'נ' + 19: 1, # 'ס' + 13: 1, # 'ע' + 26: 0, # 'ף' + 18: 1, # 'פ' + 27: 0, # 'ץ' + 21: 1, # 'צ' + 17: 1, # 'ק' + 7: 1, # 'ר' + 10: 1, # 'ש' + 5: 1, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 0, # '…' + }, + 46: { # '”' + 50: 0, # 'a' + 60: 0, # 'c' + 61: 0, # 'd' + 42: 0, # 'e' + 53: 0, # 'i' + 56: 0, # 'l' + 54: 0, # 'n' + 49: 0, # 'o' + 51: 0, # 'r' + 43: 0, # 's' + 44: 1, # 't' + 63: 0, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 1, # 'א' + 8: 1, # 'ב' + 20: 1, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 1, # 'י' + 25: 0, # 'ך' + 15: 1, # 'כ' + 4: 1, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 1, # 'צ' + 17: 0, # 'ק' + 7: 1, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 0, # '†' + 40: 0, # '…' + }, + 58: { # '†' + 50: 0, # 'a' + 60: 0, # 'c' + 61: 0, # 'd' + 42: 0, # 'e' + 53: 0, # 'i' + 56: 0, # 'l' + 54: 0, # 'n' + 49: 0, # 'o' + 51: 0, # 'r' + 43: 0, # 's' + 44: 0, # 't' + 63: 0, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 0, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 0, # 'ה' + 2: 0, # 'ו' + 24: 0, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 0, # 'י' + 25: 0, # 'ך' + 15: 0, # 'כ' + 4: 0, # 'ל' + 11: 0, # 'ם' + 6: 0, # 'מ' + 23: 0, # 'ן' + 12: 0, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 0, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 0, # 'ר' + 10: 0, # 'ש' + 5: 0, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 0, # '”' + 58: 2, # '†' + 40: 0, # '…' + }, + 40: { # '…' + 50: 1, # 'a' + 60: 1, # 'c' + 61: 1, # 'd' + 42: 1, # 'e' + 53: 1, # 'i' + 56: 0, # 'l' + 54: 1, # 'n' + 49: 0, # 'o' + 51: 1, # 'r' + 43: 1, # 's' + 44: 1, # 't' + 63: 0, # 'u' + 34: 0, # '\xa0' + 55: 0, # '´' + 48: 0, # '¼' + 39: 0, # '½' + 57: 0, # '¾' + 30: 0, # 'ְ' + 59: 0, # 'ֱ' + 41: 0, # 'ֲ' + 33: 0, # 'ִ' + 37: 0, # 'ֵ' + 36: 0, # 'ֶ' + 31: 0, # 'ַ' + 29: 0, # 'ָ' + 35: 0, # 'ֹ' + 62: 0, # 'ֻ' + 28: 0, # 'ּ' + 38: 0, # 'ׁ' + 45: 0, # 'ׂ' + 9: 1, # 'א' + 8: 0, # 'ב' + 20: 0, # 'ג' + 16: 0, # 'ד' + 3: 1, # 'ה' + 2: 1, # 'ו' + 24: 1, # 'ז' + 14: 0, # 'ח' + 22: 0, # 'ט' + 1: 1, # 'י' + 25: 0, # 'ך' + 15: 1, # 'כ' + 4: 1, # 'ל' + 11: 0, # 'ם' + 6: 1, # 'מ' + 23: 0, # 'ן' + 12: 1, # 'נ' + 19: 0, # 'ס' + 13: 0, # 'ע' + 26: 0, # 'ף' + 18: 1, # 'פ' + 27: 0, # 'ץ' + 21: 0, # 'צ' + 17: 0, # 'ק' + 7: 1, # 'ר' + 10: 1, # 'ש' + 5: 1, # 'ת' + 32: 0, # '–' + 52: 0, # '’' + 47: 0, # '“' + 46: 1, # '”' + 58: 0, # '†' + 40: 2, # '…' + }, +} + +# 255: Undefined characters that did not exist in training text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 +# 251: Control characters + +# Character Mapping Table(s): +WINDOWS_1255_HEBREW_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 69, # 'A' + 66: 91, # 'B' + 67: 79, # 'C' + 68: 80, # 'D' + 69: 92, # 'E' + 70: 89, # 'F' + 71: 97, # 'G' + 72: 90, # 'H' + 73: 68, # 'I' + 74: 111, # 'J' + 75: 112, # 'K' + 76: 82, # 'L' + 77: 73, # 'M' + 78: 95, # 'N' + 79: 85, # 'O' + 80: 78, # 'P' + 81: 121, # 'Q' + 82: 86, # 'R' + 83: 71, # 'S' + 84: 67, # 'T' + 85: 102, # 'U' + 86: 107, # 'V' + 87: 84, # 'W' + 88: 114, # 'X' + 89: 103, # 'Y' + 90: 115, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 50, # 'a' + 98: 74, # 'b' + 99: 60, # 'c' + 100: 61, # 'd' + 101: 42, # 'e' + 102: 76, # 'f' + 103: 70, # 'g' + 104: 64, # 'h' + 105: 53, # 'i' + 106: 105, # 'j' + 107: 93, # 'k' + 108: 56, # 'l' + 109: 65, # 'm' + 110: 54, # 'n' + 111: 49, # 'o' + 112: 66, # 'p' + 113: 110, # 'q' + 114: 51, # 'r' + 115: 43, # 's' + 116: 44, # 't' + 117: 63, # 'u' + 118: 81, # 'v' + 119: 77, # 'w' + 120: 98, # 'x' + 121: 75, # 'y' + 122: 108, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 124, # '€' + 129: 202, # None + 130: 203, # '‚' + 131: 204, # 'ƒ' + 132: 205, # '„' + 133: 40, # '…' + 134: 58, # '†' + 135: 206, # '‡' + 136: 207, # 'ˆ' + 137: 208, # '‰' + 138: 209, # None + 139: 210, # '‹' + 140: 211, # None + 141: 212, # None + 142: 213, # None + 143: 214, # None + 144: 215, # None + 145: 83, # '‘' + 146: 52, # '’' + 147: 47, # '“' + 148: 46, # '”' + 149: 72, # '•' + 150: 32, # '–' + 151: 94, # '—' + 152: 216, # '˜' + 153: 113, # '™' + 154: 217, # None + 155: 109, # '›' + 156: 218, # None + 157: 219, # None + 158: 220, # None + 159: 221, # None + 160: 34, # '\xa0' + 161: 116, # '¡' + 162: 222, # '¢' + 163: 118, # '£' + 164: 100, # '₪' + 165: 223, # '¥' + 166: 224, # '¦' + 167: 117, # '§' + 168: 119, # '¨' + 169: 104, # '©' + 170: 125, # '×' + 171: 225, # '«' + 172: 226, # '¬' + 173: 87, # '\xad' + 174: 99, # '®' + 175: 227, # '¯' + 176: 106, # '°' + 177: 122, # '±' + 178: 123, # '²' + 179: 228, # '³' + 180: 55, # '´' + 181: 229, # 'µ' + 182: 230, # '¶' + 183: 101, # '·' + 184: 231, # '¸' + 185: 232, # '¹' + 186: 120, # '÷' + 187: 233, # '»' + 188: 48, # '¼' + 189: 39, # '½' + 190: 57, # '¾' + 191: 234, # '¿' + 192: 30, # 'ְ' + 193: 59, # 'ֱ' + 194: 41, # 'ֲ' + 195: 88, # 'ֳ' + 196: 33, # 'ִ' + 197: 37, # 'ֵ' + 198: 36, # 'ֶ' + 199: 31, # 'ַ' + 200: 29, # 'ָ' + 201: 35, # 'ֹ' + 202: 235, # None + 203: 62, # 'ֻ' + 204: 28, # 'ּ' + 205: 236, # 'ֽ' + 206: 126, # '־' + 207: 237, # 'ֿ' + 208: 238, # '׀' + 209: 38, # 'ׁ' + 210: 45, # 'ׂ' + 211: 239, # '׃' + 212: 240, # 'װ' + 213: 241, # 'ױ' + 214: 242, # 'ײ' + 215: 243, # '׳' + 216: 127, # '״' + 217: 244, # None + 218: 245, # None + 219: 246, # None + 220: 247, # None + 221: 248, # None + 222: 249, # None + 223: 250, # None + 224: 9, # 'א' + 225: 8, # 'ב' + 226: 20, # 'ג' + 227: 16, # 'ד' + 228: 3, # 'ה' + 229: 2, # 'ו' + 230: 24, # 'ז' + 231: 14, # 'ח' + 232: 22, # 'ט' + 233: 1, # 'י' + 234: 25, # 'ך' + 235: 15, # 'כ' + 236: 4, # 'ל' + 237: 11, # 'ם' + 238: 6, # 'מ' + 239: 23, # 'ן' + 240: 12, # 'נ' + 241: 19, # 'ס' + 242: 13, # 'ע' + 243: 26, # 'ף' + 244: 18, # 'פ' + 245: 27, # 'ץ' + 246: 21, # 'צ' + 247: 17, # 'ק' + 248: 7, # 'ר' + 249: 10, # 'ש' + 250: 5, # 'ת' + 251: 251, # None + 252: 252, # None + 253: 128, # '\u200e' + 254: 96, # '\u200f' + 255: 253, # None +} + +WINDOWS_1255_HEBREW_MODEL = SingleByteCharSetModel(charset_name='windows-1255', + language='Hebrew', + char_to_order_map=WINDOWS_1255_HEBREW_CHAR_TO_ORDER, + language_model=HEBREW_LANG_MODEL, + typical_positive_ratio=0.984004, + keep_ascii_letters=False, + alphabet='אבגדהוזחטיךכלםמןנסעףפץצקרשתװױײ') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langhungarianmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langhungarianmodel.py new file mode 100644 index 0000000..24a097f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langhungarianmodel.py @@ -0,0 +1,4650 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +HUNGARIAN_LANG_MODEL = { + 28: { # 'A' + 28: 0, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 2, # 'D' + 32: 1, # 'E' + 50: 1, # 'F' + 49: 2, # 'G' + 38: 1, # 'H' + 39: 2, # 'I' + 53: 1, # 'J' + 36: 2, # 'K' + 41: 2, # 'L' + 34: 1, # 'M' + 35: 2, # 'N' + 47: 1, # 'O' + 46: 2, # 'P' + 43: 2, # 'R' + 33: 2, # 'S' + 37: 2, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 1, # 'Y' + 52: 2, # 'Z' + 2: 0, # 'a' + 18: 1, # 'b' + 26: 1, # 'c' + 17: 2, # 'd' + 1: 1, # 'e' + 27: 1, # 'f' + 12: 1, # 'g' + 20: 1, # 'h' + 9: 1, # 'i' + 22: 1, # 'j' + 7: 2, # 'k' + 6: 2, # 'l' + 13: 2, # 'm' + 4: 2, # 'n' + 8: 0, # 'o' + 23: 2, # 'p' + 10: 2, # 'r' + 5: 1, # 's' + 3: 1, # 't' + 21: 1, # 'u' + 19: 1, # 'v' + 62: 1, # 'x' + 16: 0, # 'y' + 11: 3, # 'z' + 51: 1, # 'Á' + 44: 0, # 'É' + 61: 1, # 'Í' + 58: 0, # 'Ó' + 59: 0, # 'Ö' + 60: 0, # 'Ú' + 63: 0, # 'Ü' + 14: 0, # 'á' + 15: 0, # 'é' + 30: 0, # 'í' + 25: 0, # 'ó' + 24: 0, # 'ö' + 31: 0, # 'ú' + 29: 0, # 'ü' + 42: 0, # 'ő' + 56: 0, # 'ű' + }, + 40: { # 'B' + 28: 2, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 2, # 'E' + 50: 0, # 'F' + 49: 0, # 'G' + 38: 0, # 'H' + 39: 1, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 1, # 'L' + 34: 0, # 'M' + 35: 1, # 'N' + 47: 2, # 'O' + 46: 0, # 'P' + 43: 1, # 'R' + 33: 1, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 0, # 'Y' + 52: 0, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 3, # 'e' + 27: 0, # 'f' + 12: 0, # 'g' + 20: 0, # 'h' + 9: 2, # 'i' + 22: 1, # 'j' + 7: 0, # 'k' + 6: 1, # 'l' + 13: 0, # 'm' + 4: 0, # 'n' + 8: 2, # 'o' + 23: 1, # 'p' + 10: 2, # 'r' + 5: 0, # 's' + 3: 0, # 't' + 21: 3, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 1, # 'y' + 11: 0, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 1, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 1, # 'Ú' + 63: 1, # 'Ü' + 14: 2, # 'á' + 15: 2, # 'é' + 30: 1, # 'í' + 25: 1, # 'ó' + 24: 1, # 'ö' + 31: 1, # 'ú' + 29: 1, # 'ü' + 42: 1, # 'ő' + 56: 1, # 'ű' + }, + 54: { # 'C' + 28: 1, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 1, # 'E' + 50: 0, # 'F' + 49: 0, # 'G' + 38: 1, # 'H' + 39: 2, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 1, # 'L' + 34: 1, # 'M' + 35: 0, # 'N' + 47: 1, # 'O' + 46: 1, # 'P' + 43: 1, # 'R' + 33: 2, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 0, # 'V' + 55: 1, # 'Y' + 52: 1, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 1, # 'e' + 27: 0, # 'f' + 12: 0, # 'g' + 20: 1, # 'h' + 9: 1, # 'i' + 22: 0, # 'j' + 7: 0, # 'k' + 6: 1, # 'l' + 13: 0, # 'm' + 4: 0, # 'n' + 8: 2, # 'o' + 23: 0, # 'p' + 10: 1, # 'r' + 5: 3, # 's' + 3: 0, # 't' + 21: 1, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 1, # 'y' + 11: 1, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 1, # 'Í' + 58: 0, # 'Ó' + 59: 0, # 'Ö' + 60: 0, # 'Ú' + 63: 0, # 'Ü' + 14: 1, # 'á' + 15: 1, # 'é' + 30: 1, # 'í' + 25: 1, # 'ó' + 24: 0, # 'ö' + 31: 0, # 'ú' + 29: 0, # 'ü' + 42: 0, # 'ő' + 56: 0, # 'ű' + }, + 45: { # 'D' + 28: 2, # 'A' + 40: 1, # 'B' + 54: 0, # 'C' + 45: 1, # 'D' + 32: 2, # 'E' + 50: 1, # 'F' + 49: 1, # 'G' + 38: 1, # 'H' + 39: 2, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 0, # 'L' + 34: 1, # 'M' + 35: 1, # 'N' + 47: 2, # 'O' + 46: 0, # 'P' + 43: 1, # 'R' + 33: 1, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 1, # 'Y' + 52: 1, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 3, # 'e' + 27: 0, # 'f' + 12: 0, # 'g' + 20: 0, # 'h' + 9: 1, # 'i' + 22: 0, # 'j' + 7: 0, # 'k' + 6: 0, # 'l' + 13: 0, # 'm' + 4: 0, # 'n' + 8: 1, # 'o' + 23: 0, # 'p' + 10: 2, # 'r' + 5: 0, # 's' + 3: 0, # 't' + 21: 2, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 1, # 'y' + 11: 1, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 1, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 1, # 'Ú' + 63: 1, # 'Ü' + 14: 1, # 'á' + 15: 1, # 'é' + 30: 1, # 'í' + 25: 1, # 'ó' + 24: 1, # 'ö' + 31: 1, # 'ú' + 29: 1, # 'ü' + 42: 1, # 'ő' + 56: 0, # 'ű' + }, + 32: { # 'E' + 28: 1, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 1, # 'E' + 50: 1, # 'F' + 49: 2, # 'G' + 38: 1, # 'H' + 39: 1, # 'I' + 53: 1, # 'J' + 36: 2, # 'K' + 41: 2, # 'L' + 34: 2, # 'M' + 35: 2, # 'N' + 47: 1, # 'O' + 46: 1, # 'P' + 43: 2, # 'R' + 33: 2, # 'S' + 37: 2, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 1, # 'Y' + 52: 1, # 'Z' + 2: 1, # 'a' + 18: 1, # 'b' + 26: 1, # 'c' + 17: 2, # 'd' + 1: 1, # 'e' + 27: 1, # 'f' + 12: 3, # 'g' + 20: 1, # 'h' + 9: 1, # 'i' + 22: 1, # 'j' + 7: 1, # 'k' + 6: 2, # 'l' + 13: 2, # 'm' + 4: 2, # 'n' + 8: 0, # 'o' + 23: 1, # 'p' + 10: 2, # 'r' + 5: 2, # 's' + 3: 1, # 't' + 21: 2, # 'u' + 19: 1, # 'v' + 62: 1, # 'x' + 16: 0, # 'y' + 11: 3, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 0, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 0, # 'Ú' + 63: 1, # 'Ü' + 14: 0, # 'á' + 15: 0, # 'é' + 30: 0, # 'í' + 25: 0, # 'ó' + 24: 1, # 'ö' + 31: 0, # 'ú' + 29: 0, # 'ü' + 42: 0, # 'ő' + 56: 0, # 'ű' + }, + 50: { # 'F' + 28: 1, # 'A' + 40: 0, # 'B' + 54: 0, # 'C' + 45: 0, # 'D' + 32: 1, # 'E' + 50: 1, # 'F' + 49: 0, # 'G' + 38: 1, # 'H' + 39: 1, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 1, # 'L' + 34: 1, # 'M' + 35: 1, # 'N' + 47: 1, # 'O' + 46: 0, # 'P' + 43: 1, # 'R' + 33: 0, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 0, # 'V' + 55: 1, # 'Y' + 52: 0, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 2, # 'e' + 27: 1, # 'f' + 12: 0, # 'g' + 20: 0, # 'h' + 9: 2, # 'i' + 22: 1, # 'j' + 7: 0, # 'k' + 6: 1, # 'l' + 13: 0, # 'm' + 4: 0, # 'n' + 8: 2, # 'o' + 23: 0, # 'p' + 10: 2, # 'r' + 5: 0, # 's' + 3: 0, # 't' + 21: 1, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 0, # 'y' + 11: 0, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 0, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 0, # 'Ú' + 63: 1, # 'Ü' + 14: 1, # 'á' + 15: 1, # 'é' + 30: 0, # 'í' + 25: 0, # 'ó' + 24: 2, # 'ö' + 31: 1, # 'ú' + 29: 1, # 'ü' + 42: 1, # 'ő' + 56: 1, # 'ű' + }, + 49: { # 'G' + 28: 2, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 2, # 'E' + 50: 1, # 'F' + 49: 1, # 'G' + 38: 1, # 'H' + 39: 1, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 1, # 'L' + 34: 1, # 'M' + 35: 1, # 'N' + 47: 1, # 'O' + 46: 1, # 'P' + 43: 1, # 'R' + 33: 1, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 2, # 'Y' + 52: 1, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 2, # 'e' + 27: 0, # 'f' + 12: 0, # 'g' + 20: 0, # 'h' + 9: 1, # 'i' + 22: 0, # 'j' + 7: 0, # 'k' + 6: 1, # 'l' + 13: 0, # 'm' + 4: 0, # 'n' + 8: 2, # 'o' + 23: 0, # 'p' + 10: 2, # 'r' + 5: 0, # 's' + 3: 0, # 't' + 21: 1, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 2, # 'y' + 11: 0, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 1, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 1, # 'Ú' + 63: 1, # 'Ü' + 14: 1, # 'á' + 15: 1, # 'é' + 30: 0, # 'í' + 25: 1, # 'ó' + 24: 1, # 'ö' + 31: 1, # 'ú' + 29: 1, # 'ü' + 42: 1, # 'ő' + 56: 0, # 'ű' + }, + 38: { # 'H' + 28: 2, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 0, # 'D' + 32: 1, # 'E' + 50: 0, # 'F' + 49: 0, # 'G' + 38: 0, # 'H' + 39: 1, # 'I' + 53: 0, # 'J' + 36: 0, # 'K' + 41: 1, # 'L' + 34: 0, # 'M' + 35: 0, # 'N' + 47: 1, # 'O' + 46: 0, # 'P' + 43: 1, # 'R' + 33: 1, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 0, # 'V' + 55: 1, # 'Y' + 52: 0, # 'Z' + 2: 3, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 2, # 'e' + 27: 0, # 'f' + 12: 0, # 'g' + 20: 0, # 'h' + 9: 2, # 'i' + 22: 1, # 'j' + 7: 0, # 'k' + 6: 1, # 'l' + 13: 1, # 'm' + 4: 0, # 'n' + 8: 3, # 'o' + 23: 0, # 'p' + 10: 1, # 'r' + 5: 0, # 's' + 3: 0, # 't' + 21: 2, # 'u' + 19: 0, # 'v' + 62: 0, # 'x' + 16: 1, # 'y' + 11: 0, # 'z' + 51: 2, # 'Á' + 44: 2, # 'É' + 61: 1, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 1, # 'Ú' + 63: 1, # 'Ü' + 14: 2, # 'á' + 15: 1, # 'é' + 30: 2, # 'í' + 25: 1, # 'ó' + 24: 1, # 'ö' + 31: 1, # 'ú' + 29: 1, # 'ü' + 42: 1, # 'ő' + 56: 1, # 'ű' + }, + 39: { # 'I' + 28: 2, # 'A' + 40: 1, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 1, # 'E' + 50: 1, # 'F' + 49: 1, # 'G' + 38: 1, # 'H' + 39: 2, # 'I' + 53: 1, # 'J' + 36: 2, # 'K' + 41: 2, # 'L' + 34: 1, # 'M' + 35: 2, # 'N' + 47: 1, # 'O' + 46: 1, # 'P' + 43: 1, # 'R' + 33: 2, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 1, # 'V' + 55: 0, # 'Y' + 52: 2, # 'Z' + 2: 0, # 'a' + 18: 1, # 'b' + 26: 1, # 'c' + 17: 2, # 'd' + 1: 0, # 'e' + 27: 1, # 'f' + 12: 2, # 'g' + 20: 1, # 'h' + 9: 0, # 'i' + 22: 1, # 'j' + 7: 1, # 'k' + 6: 2, # 'l' + 13: 2, # 'm' + 4: 1, # 'n' + 8: 0, # 'o' + 23: 1, # 'p' + 10: 2, # 'r' + 5: 2, # 's' + 3: 2, # 't' + 21: 0, # 'u' + 19: 1, # 'v' + 62: 0, # 'x' + 16: 0, # 'y' + 11: 1, # 'z' + 51: 1, # 'Á' + 44: 1, # 'É' + 61: 0, # 'Í' + 58: 1, # 'Ó' + 59: 1, # 'Ö' + 60: 1, # 'Ú' + 63: 1, # 'Ü' + 14: 0, # 'á' + 15: 0, # 'é' + 30: 0, # 'í' + 25: 0, # 'ó' + 24: 0, # 'ö' + 31: 0, # 'ú' + 29: 0, # 'ü' + 42: 0, # 'ő' + 56: 0, # 'ű' + }, + 53: { # 'J' + 28: 2, # 'A' + 40: 0, # 'B' + 54: 1, # 'C' + 45: 1, # 'D' + 32: 2, # 'E' + 50: 0, # 'F' + 49: 0, # 'G' + 38: 1, # 'H' + 39: 1, # 'I' + 53: 1, # 'J' + 36: 1, # 'K' + 41: 1, # 'L' + 34: 1, # 'M' + 35: 1, # 'N' + 47: 1, # 'O' + 46: 0, # 'P' + 43: 0, # 'R' + 33: 1, # 'S' + 37: 1, # 'T' + 57: 1, # 'U' + 48: 0, # 'V' + 55: 0, # 'Y' + 52: 1, # 'Z' + 2: 2, # 'a' + 18: 0, # 'b' + 26: 0, # 'c' + 17: 0, # 'd' + 1: 2, # 'e' + 27: 0, # 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'I' + 53: 0, # 'J' + 36: 0, # 'K' + 41: 0, # 'L' + 34: 0, # 'M' + 35: 0, # 'N' + 47: 0, # 'O' + 46: 0, # 'P' + 43: 0, # 'R' + 33: 0, # 'S' + 37: 0, # 'T' + 57: 0, # 'U' + 48: 0, # 'V' + 55: 0, # 'Y' + 52: 0, # 'Z' + 2: 1, # 'a' + 18: 1, # 'b' + 26: 0, # 'c' + 17: 1, # 'd' + 1: 1, # 'e' + 27: 1, # 'f' + 12: 1, # 'g' + 20: 1, # 'h' + 9: 1, # 'i' + 22: 1, # 'j' + 7: 1, # 'k' + 6: 1, # 'l' + 13: 0, # 'm' + 4: 2, # 'n' + 8: 0, # 'o' + 23: 0, # 'p' + 10: 1, # 'r' + 5: 1, # 's' + 3: 1, # 't' + 21: 0, # 'u' + 19: 1, # 'v' + 62: 0, # 'x' + 16: 0, # 'y' + 11: 2, # 'z' + 51: 0, # 'Á' + 44: 0, # 'É' + 61: 0, # 'Í' + 58: 0, # 'Ó' + 59: 0, # 'Ö' + 60: 0, # 'Ú' + 63: 0, # 'Ü' + 14: 0, # 'á' + 15: 0, # 'é' + 30: 0, # 'í' + 25: 0, # 'ó' + 24: 0, # 'ö' + 31: 0, # 'ú' + 29: 0, # 'ü' + 42: 0, # 'ő' + 56: 0, # 'ű' + }, +} + +# 255: Undefined characters that did not exist in training text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 +# 251: Control characters + +# Character Mapping Table(s): +WINDOWS_1250_HUNGARIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 28, # 'A' + 66: 40, # 'B' + 67: 54, # 'C' + 68: 45, # 'D' + 69: 32, # 'E' + 70: 50, # 'F' + 71: 49, # 'G' + 72: 38, # 'H' + 73: 39, # 'I' + 74: 53, # 'J' + 75: 36, # 'K' + 76: 41, # 'L' + 77: 34, # 'M' + 78: 35, # 'N' + 79: 47, # 'O' + 80: 46, # 'P' + 81: 72, # 'Q' + 82: 43, # 'R' + 83: 33, # 'S' + 84: 37, # 'T' + 85: 57, # 'U' + 86: 48, # 'V' + 87: 64, # 'W' + 88: 68, # 'X' + 89: 55, # 'Y' + 90: 52, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 2, # 'a' + 98: 18, # 'b' + 99: 26, # 'c' + 100: 17, # 'd' + 101: 1, # 'e' + 102: 27, # 'f' + 103: 12, # 'g' + 104: 20, # 'h' + 105: 9, # 'i' + 106: 22, # 'j' + 107: 7, # 'k' + 108: 6, # 'l' + 109: 13, # 'm' + 110: 4, # 'n' + 111: 8, # 'o' + 112: 23, # 'p' + 113: 67, # 'q' + 114: 10, # 'r' + 115: 5, # 's' + 116: 3, # 't' + 117: 21, # 'u' + 118: 19, # 'v' + 119: 65, # 'w' + 120: 62, # 'x' + 121: 16, # 'y' + 122: 11, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 161, # '€' + 129: 162, # None + 130: 163, # '‚' + 131: 164, # None + 132: 165, # '„' + 133: 166, # '…' + 134: 167, # '†' + 135: 168, # '‡' + 136: 169, # None + 137: 170, # '‰' + 138: 171, # 'Š' + 139: 172, # '‹' + 140: 173, # 'Ś' + 141: 174, # 'Ť' + 142: 175, # 'Ž' + 143: 176, # 'Ź' + 144: 177, # None + 145: 178, # '‘' + 146: 179, # '’' + 147: 180, # '“' + 148: 78, # '”' + 149: 181, # '•' + 150: 69, # '–' + 151: 182, # '—' + 152: 183, # None + 153: 184, # '™' + 154: 185, # 'š' + 155: 186, # '›' + 156: 187, # 'ś' + 157: 188, # 'ť' + 158: 189, # 'ž' + 159: 190, # 'ź' + 160: 191, # '\xa0' + 161: 192, # 'ˇ' + 162: 193, # '˘' + 163: 194, # 'Ł' + 164: 195, # '¤' + 165: 196, # 'Ą' + 166: 197, # '¦' + 167: 76, # '§' + 168: 198, # '¨' + 169: 199, # '©' + 170: 200, # 'Ş' + 171: 201, # '«' + 172: 202, # '¬' + 173: 203, # '\xad' + 174: 204, # '®' + 175: 205, # 'Ż' + 176: 81, # '°' + 177: 206, # '±' + 178: 207, # '˛' + 179: 208, # 'ł' + 180: 209, # '´' + 181: 210, # 'µ' + 182: 211, # '¶' + 183: 212, # '·' + 184: 213, # '¸' + 185: 214, # 'ą' + 186: 215, # 'ş' + 187: 216, # '»' + 188: 217, # 'Ľ' + 189: 218, # '˝' + 190: 219, # 'ľ' + 191: 220, # 'ż' + 192: 221, # 'Ŕ' + 193: 51, # 'Á' + 194: 83, # 'Â' + 195: 222, # 'Ă' + 196: 80, # 'Ä' + 197: 223, # 'Ĺ' + 198: 224, # 'Ć' + 199: 225, # 'Ç' + 200: 226, # 'Č' + 201: 44, # 'É' + 202: 227, # 'Ę' + 203: 228, # 'Ë' + 204: 229, # 'Ě' + 205: 61, # 'Í' + 206: 230, # 'Î' + 207: 231, # 'Ď' + 208: 232, # 'Đ' + 209: 233, # 'Ń' + 210: 234, # 'Ň' + 211: 58, # 'Ó' + 212: 235, # 'Ô' + 213: 66, # 'Ő' + 214: 59, # 'Ö' + 215: 236, # '×' + 216: 237, # 'Ř' + 217: 238, # 'Ů' + 218: 60, # 'Ú' + 219: 70, # 'Ű' + 220: 63, # 'Ü' + 221: 239, # 'Ý' + 222: 240, # 'Ţ' + 223: 241, # 'ß' + 224: 84, # 'ŕ' + 225: 14, # 'á' + 226: 75, # 'â' + 227: 242, # 'ă' + 228: 71, # 'ä' + 229: 82, # 'ĺ' + 230: 243, # 'ć' + 231: 73, # 'ç' + 232: 244, # 'č' + 233: 15, # 'é' + 234: 85, # 'ę' + 235: 79, # 'ë' + 236: 86, # 'ě' + 237: 30, # 'í' + 238: 77, # 'î' + 239: 87, # 'ď' + 240: 245, # 'đ' + 241: 246, # 'ń' + 242: 247, # 'ň' + 243: 25, # 'ó' + 244: 74, # 'ô' + 245: 42, # 'ő' + 246: 24, # 'ö' + 247: 248, # '÷' + 248: 249, # 'ř' + 249: 250, # 'ů' + 250: 31, # 'ú' + 251: 56, # 'ű' + 252: 29, # 'ü' + 253: 251, # 'ý' + 254: 252, # 'ţ' + 255: 253, # '˙' +} + +WINDOWS_1250_HUNGARIAN_MODEL = SingleByteCharSetModel(charset_name='windows-1250', + language='Hungarian', + char_to_order_map=WINDOWS_1250_HUNGARIAN_CHAR_TO_ORDER, + language_model=HUNGARIAN_LANG_MODEL, + typical_positive_ratio=0.947368, + keep_ascii_letters=True, + alphabet='ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű') + +ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 28, # 'A' + 66: 40, # 'B' + 67: 54, # 'C' + 68: 45, # 'D' + 69: 32, # 'E' + 70: 50, # 'F' + 71: 49, # 'G' + 72: 38, # 'H' + 73: 39, # 'I' + 74: 53, # 'J' + 75: 36, # 'K' + 76: 41, # 'L' + 77: 34, # 'M' + 78: 35, # 'N' + 79: 47, # 'O' + 80: 46, # 'P' + 81: 71, # 'Q' + 82: 43, # 'R' + 83: 33, # 'S' + 84: 37, # 'T' + 85: 57, # 'U' + 86: 48, # 'V' + 87: 64, # 'W' + 88: 68, # 'X' + 89: 55, # 'Y' + 90: 52, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 2, # 'a' + 98: 18, # 'b' + 99: 26, # 'c' + 100: 17, # 'd' + 101: 1, # 'e' + 102: 27, # 'f' + 103: 12, # 'g' + 104: 20, # 'h' + 105: 9, # 'i' + 106: 22, # 'j' + 107: 7, # 'k' + 108: 6, # 'l' + 109: 13, # 'm' + 110: 4, # 'n' + 111: 8, # 'o' + 112: 23, # 'p' + 113: 67, # 'q' + 114: 10, # 'r' + 115: 5, # 's' + 116: 3, # 't' + 117: 21, # 'u' + 118: 19, # 'v' + 119: 65, # 'w' + 120: 62, # 'x' + 121: 16, # 'y' + 122: 11, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 159, # '\x80' + 129: 160, # '\x81' + 130: 161, # '\x82' + 131: 162, # '\x83' + 132: 163, # '\x84' + 133: 164, # '\x85' + 134: 165, # '\x86' + 135: 166, # '\x87' + 136: 167, # '\x88' + 137: 168, # '\x89' + 138: 169, # '\x8a' + 139: 170, # '\x8b' + 140: 171, # '\x8c' + 141: 172, # '\x8d' + 142: 173, # '\x8e' + 143: 174, # '\x8f' + 144: 175, # '\x90' + 145: 176, # '\x91' + 146: 177, # '\x92' + 147: 178, # '\x93' + 148: 179, # '\x94' + 149: 180, # '\x95' + 150: 181, # '\x96' + 151: 182, # '\x97' + 152: 183, # '\x98' + 153: 184, # '\x99' + 154: 185, # '\x9a' + 155: 186, # '\x9b' + 156: 187, # '\x9c' + 157: 188, # '\x9d' + 158: 189, # '\x9e' + 159: 190, # '\x9f' + 160: 191, # '\xa0' + 161: 192, # 'Ą' + 162: 193, # '˘' + 163: 194, # 'Ł' + 164: 195, # '¤' + 165: 196, # 'Ľ' + 166: 197, # 'Ś' + 167: 75, # '§' + 168: 198, # '¨' + 169: 199, # 'Š' + 170: 200, # 'Ş' + 171: 201, # 'Ť' + 172: 202, # 'Ź' + 173: 203, # '\xad' + 174: 204, # 'Ž' + 175: 205, # 'Ż' + 176: 79, # '°' + 177: 206, # 'ą' + 178: 207, # '˛' + 179: 208, # 'ł' + 180: 209, # '´' + 181: 210, # 'ľ' + 182: 211, # 'ś' + 183: 212, # 'ˇ' + 184: 213, # '¸' + 185: 214, # 'š' + 186: 215, # 'ş' + 187: 216, # 'ť' + 188: 217, # 'ź' + 189: 218, # '˝' + 190: 219, # 'ž' + 191: 220, # 'ż' + 192: 221, # 'Ŕ' + 193: 51, # 'Á' + 194: 81, # 'Â' + 195: 222, # 'Ă' + 196: 78, # 'Ä' + 197: 223, # 'Ĺ' + 198: 224, # 'Ć' + 199: 225, # 'Ç' + 200: 226, # 'Č' + 201: 44, # 'É' + 202: 227, # 'Ę' + 203: 228, # 'Ë' + 204: 229, # 'Ě' + 205: 61, # 'Í' + 206: 230, # 'Î' + 207: 231, # 'Ď' + 208: 232, # 'Đ' + 209: 233, # 'Ń' + 210: 234, # 'Ň' + 211: 58, # 'Ó' + 212: 235, # 'Ô' + 213: 66, # 'Ő' + 214: 59, # 'Ö' + 215: 236, # '×' + 216: 237, # 'Ř' + 217: 238, # 'Ů' + 218: 60, # 'Ú' + 219: 69, # 'Ű' + 220: 63, # 'Ü' + 221: 239, # 'Ý' + 222: 240, # 'Ţ' + 223: 241, # 'ß' + 224: 82, # 'ŕ' + 225: 14, # 'á' + 226: 74, # 'â' + 227: 242, # 'ă' + 228: 70, # 'ä' + 229: 80, # 'ĺ' + 230: 243, # 'ć' + 231: 72, # 'ç' + 232: 244, # 'č' + 233: 15, # 'é' + 234: 83, # 'ę' + 235: 77, # 'ë' + 236: 84, # 'ě' + 237: 30, # 'í' + 238: 76, # 'î' + 239: 85, # 'ď' + 240: 245, # 'đ' + 241: 246, # 'ń' + 242: 247, # 'ň' + 243: 25, # 'ó' + 244: 73, # 'ô' + 245: 42, # 'ő' + 246: 24, # 'ö' + 247: 248, # '÷' + 248: 249, # 'ř' + 249: 250, # 'ů' + 250: 31, # 'ú' + 251: 56, # 'ű' + 252: 29, # 'ü' + 253: 251, # 'ý' + 254: 252, # 'ţ' + 255: 253, # '˙' +} + +ISO_8859_2_HUNGARIAN_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-2', + language='Hungarian', + char_to_order_map=ISO_8859_2_HUNGARIAN_CHAR_TO_ORDER, + language_model=HUNGARIAN_LANG_MODEL, + typical_positive_ratio=0.947368, + keep_ascii_letters=True, + alphabet='ABCDEFGHIJKLMNOPRSTUVZabcdefghijklmnoprstuvzÁÉÍÓÖÚÜáéíóöúüŐőŰű') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langrussianmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langrussianmodel.py new file mode 100644 index 0000000..569689d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langrussianmodel.py @@ -0,0 +1,5718 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +RUSSIAN_LANG_MODEL = { + 37: { # 'А' + 37: 0, # 'А' + 44: 1, # 'Б' + 33: 1, # 'В' + 46: 1, # 'Г' + 41: 1, # 'Д' + 48: 1, # 'Е' + 56: 1, # 'Ж' + 51: 1, # 'З' + 42: 1, # 'И' + 60: 1, # 'Й' + 36: 1, # 'К' + 49: 1, # 'Л' + 38: 1, # 'М' + 31: 2, # 'Н' + 34: 1, # 'О' + 35: 1, # 'П' + 45: 1, # 'Р' + 32: 1, # 'С' + 40: 1, # 'Т' + 52: 1, # 'У' + 53: 1, # 'Ф' + 55: 1, # 'Х' + 58: 1, # 'Ц' + 50: 1, # 'Ч' + 57: 1, # 'Ш' + 63: 1, # 'Щ' + 62: 0, # 'Ы' + 61: 0, # 'Ь' + 47: 0, # 'Э' + 59: 1, # 'Ю' + 43: 1, # 'Я' + 3: 1, # 'а' + 21: 2, # 'б' + 10: 2, # 'в' + 19: 2, # 'г' + 13: 2, # 'д' + 2: 0, # 'е' + 24: 1, # 'ж' + 20: 1, # 'з' + 4: 0, # 'и' + 23: 1, # 'й' + 11: 2, # 'к' + 8: 3, # 'л' + 12: 2, # 'м' + 5: 2, # 'н' + 1: 0, # 'о' + 15: 2, # 'п' + 9: 2, # 'р' + 7: 2, # 'с' + 6: 2, # 'т' + 14: 2, # 'у' + 39: 2, # 'ф' + 26: 2, # 'х' + 28: 0, # 'ц' + 22: 1, # 'ч' + 25: 2, # 'ш' + 29: 0, # 'щ' + 54: 0, # 'ъ' + 18: 0, # 'ы' + 17: 0, # 'ь' + 30: 1, # 'э' + 27: 0, # 'ю' + 16: 0, # 'я' + }, + 44: { # 'Б' + 37: 1, # 'А' + 44: 0, # 'Б' + 33: 1, # 'В' + 46: 1, # 'Г' + 41: 0, # 'Д' + 48: 1, # 'Е' + 56: 0, # 'Ж' + 51: 0, # 'З' + 42: 1, # 'И' + 60: 0, # 'Й' + 36: 0, # 'К' + 49: 1, # 'Л' + 38: 1, # 'М' + 31: 1, # 'Н' + 34: 1, # 'О' + 35: 0, # 'П' + 45: 1, # 'Р' + 32: 0, # 'С' + 40: 0, # 'Т' + 52: 1, # 'У' + 53: 0, # 'Ф' + 55: 0, # 'Х' + 58: 0, # 'Ц' + 50: 0, # 'Ч' + 57: 0, # 'Ш' + 63: 0, # 'Щ' + 62: 1, # 'Ы' + 61: 0, # 'Ь' + 47: 0, # 'Э' + 59: 0, # 'Ю' + 43: 1, # 'Я' + 3: 2, # 'а' + 21: 0, # 'б' + 10: 0, # 'в' + 19: 0, # 'г' + 13: 1, # 'д' + 2: 3, # 'е' + 24: 0, # 'ж' + 20: 0, # 'з' + 4: 2, # 'и' + 23: 0, # 'й' + 11: 0, # 'к' + 8: 2, # 'л' + 12: 0, # 'м' + 5: 0, # 'н' + 1: 3, # 'о' + 15: 0, # 'п' + 9: 2, # 'р' + 7: 0, # 'с' + 6: 0, # 'т' + 14: 2, # 'у' + 39: 0, # 'ф' + 26: 0, # 'х' + 28: 0, # 'ц' + 22: 0, # 'ч' + 25: 0, # 'ш' + 29: 0, # 'щ' + 54: 0, # 'ъ' + 18: 2, # 'ы' + 17: 1, # 'ь' + 30: 2, # 'э' + 27: 1, # 'ю' + 16: 1, # 'я' + }, + 33: { # 'В' + 37: 2, # 'А' + 44: 0, # 'Б' + 33: 1, # 'В' + 46: 0, # 'Г' + 41: 1, # 'Д' + 48: 1, # 'Е' + 56: 0, # 'Ж' + 51: 0, # 'З' + 42: 1, # 'И' + 60: 0, # 'Й' + 36: 1, # 'К' + 49: 1, # 'Л' + 38: 1, # 'М' + 31: 1, # 'Н' + 34: 1, # 'О' + 35: 1, # 'П' + 45: 1, # 'Р' + 32: 1, # 'С' + 40: 1, # 'Т' + 52: 1, # 'У' + 53: 0, # 'Ф' + 55: 0, # 'Х' + 58: 0, # 'Ц' + 50: 0, # 'Ч' + 57: 1, # 'Ш' + 63: 0, # 'Щ' + 62: 1, # 'Ы' + 61: 1, # 'Ь' + 47: 0, # 'Э' + 59: 0, # 'Ю' + 43: 1, # 'Я' + 3: 2, # 'а' + 21: 1, # 'б' + 10: 1, # 'в' + 19: 1, # 'г' + 13: 2, # 'д' + 2: 3, # 'е' + 24: 0, # 'ж' + 20: 2, # 'з' + 4: 2, # 'и' + 23: 0, # 'й' + 11: 1, # 'к' + 8: 2, # 'л' + 12: 2, # 'м' + 5: 2, # 'н' + 1: 3, # 'о' + 15: 2, # 'п' + 9: 2, # 'р' + 7: 3, # 'с' + 6: 2, # 'т' + 14: 2, # 'у' + 39: 0, # 'ф' + 26: 1, # 'х' + 28: 1, # 'ц' + 22: 2, # 'ч' + 25: 1, # 'ш' + 29: 0, # 'щ' + 54: 1, # 'ъ' + 18: 3, # 'ы' + 17: 1, # 'ь' + 30: 2, # 'э' + 27: 0, # 'ю' + 16: 1, # 'я' + }, + 46: { # 'Г' + 37: 1, # 'А' + 44: 1, # 'Б' + 33: 0, # 'В' + 46: 0, # 'Г' + 41: 1, # 'Д' + 48: 1, # 'Е' + 56: 0, # 'Ж' + 51: 0, # 'З' + 42: 1, # 'И' + 60: 0, # 'Й' + 36: 0, # 'К' + 49: 1, # 'Л' + 38: 1, # 'М' + 31: 1, # 'Н' + 34: 1, # 'О' + 35: 1, # 'П' + 45: 1, # 'Р' + 32: 0, # 'С' + 40: 0, # 'Т' + 52: 1, # 'У' + 53: 0, # 'Ф' + 55: 0, # 'Х' + 58: 0, # 'Ц' + 50: 0, # 'Ч' + 57: 0, # 'Ш' + 63: 0, # 'Щ' + 62: 0, # 'Ы' + 61: 0, # 'Ь' + 47: 0, # 'Э' + 59: 0, # 'Ю' + 43: 0, # 'Я' + 3: 2, # 'а' + 21: 0, # 'б' + 10: 1, # 'в' + 19: 0, # 'г' + 13: 2, # 'д' + 2: 2, # 'е' + 24: 0, # 'ж' + 20: 0, # 'з' + 4: 2, # 'и' + 23: 0, # 'й' + 11: 0, # 'к' + 8: 2, # 'л' + 12: 1, # 'м' + 5: 1, # 'н' + 1: 3, # 'о' + 15: 0, # 'п' + 9: 2, # 'р' + 7: 0, # 'с' + 6: 0, # 'т' + 14: 2, # 'у' + 39: 0, # 'ф' + 26: 0, # 'х' + 28: 0, # 'ц' + 22: 0, # 'ч' + 25: 0, # 'ш' + 29: 0, # 'щ' + 54: 0, # 'ъ' + 18: 0, # 'ы' + 17: 1, # 'ь' + 30: 1, # 'э' + 27: 1, # 'ю' + 16: 0, # 'я' + }, + 41: { # 'Д' + 37: 1, # 'А' + 44: 0, # 'Б' + 33: 1, # 'В' + 46: 0, # 'Г' + 41: 0, # 'Д' + 48: 2, # 'Е' + 56: 1, # 'Ж' + 51: 0, # 'З' + 42: 1, # 'И' + 60: 0, # 'Й' + 36: 1, # 'К' + 49: 1, # 'Л' + 38: 0, # 'М' + 31: 1, # 'Н' + 34: 1, # 'О' + 35: 0, # 'П' + 45: 1, # 'Р' + 32: 1, # 'С' + 40: 0, # 'Т' + 52: 1, # 'У' + 53: 0, # 'Ф' + 55: 0, # 'Х' + 58: 1, # 'Ц' + 50: 1, # 'Ч' + 57: 0, # 'Ш' + 63: 0, # 'Щ' + 62: 1, # 'Ы' + 61: 1, # 'Ь' + 47: 0, # 'Э' + 59: 0, # 'Ю' + 43: 1, # 'Я' + 3: 3, # 'а' + 21: 0, # 'б' + 10: 2, # 'в' + 19: 0, # 'г' + 13: 0, # 'д' + 2: 2, # 'е' + 24: 3, # 'ж' + 20: 1, # 'з' + 4: 2, # 'и' + 23: 0, # 'й' + 11: 0, # 'к' + 8: 2, # 'л' + 12: 1, # 'м' + 5: 1, # 'н' + 1: 3, # 'о' + 15: 0, # 'п' + 9: 2, # 'р' + 7: 0, # 'с' + 6: 0, # 'т' + 14: 2, # 'у' + 39: 0, # 'ф' + 26: 1, # 'х' + 28: 0, # 'ц' + 22: 0, # 'ч' + 25: 0, # 'ш' + 29: 0, # 'щ' + 54: 0, # 'ъ' + 18: 1, # 'ы' + 17: 1, # 'ь' + 30: 2, # 'э' + 27: 1, # 'ю' + 16: 1, # 'я' + }, + 48: { # 'Е' + 37: 1, # 'А' + 44: 1, # 'Б' + 33: 1, # 'В' + 46: 1, # 'Г' + 41: 1, # 'Д' + 48: 1, # 'Е' + 56: 1, # 'Ж' + 51: 1, # 'З' + 42: 1, # 'И' + 60: 1, # 'Й' + 36: 1, # 'К' + 49: 1, # 'Л' + 38: 1, # 'М' + 31: 2, # 'Н' + 34: 1, # 'О' + 35: 1, # 'П' + 45: 2, # 'Р' + 32: 2, # 'С' + 40: 1, # 'Т' + 52: 0, # 'У' + 53: 0, # 'Ф' + 55: 1, # 'Х' + 58: 1, # 'Ц' + 50: 1, # 'Ч' + 57: 1, # 'Ш' + 63: 1, # 'Щ' + 62: 0, # 'Ы' + 61: 0, # 'Ь' + 47: 0, # 'Э' + 59: 0, # 'Ю' + 43: 1, # 'Я' + 3: 0, # 'а' + 21: 0, # 'б' + 10: 2, # 'в' + 19: 2, # 'г' + 13: 2, # 'д' + 2: 2, # 'е' + 24: 1, # 'ж' + 20: 1, # 'з' + 4: 0, # 'и' + 23: 2, # 'й' + 11: 1, # 'к' + 8: 2, # 'л' + 12: 2, # 'м' + 5: 1, # 'н' + 1: 0, # 'о' + 15: 1, # 'п' + 9: 1, # 'р' + 7: 3, # 'с' + 6: 0, # 'т' + 14: 0, # 'у' + 39: 1, # 'ф' + 26: 1, # 'х' + 28: 0, # 'ц' + 22: 0, # 'ч' + 25: 1, # 'ш' + 29: 2, # 'щ' + 54: 0, # 'ъ' + 18: 0, # 'ы' + 17: 0, # 'ь' + 30: 0, # 'э' + 27: 1, # 'ю' + 16: 0, # 'я' + }, + 56: { # 'Ж' + 37: 1, # 'А' + 44: 0, # 'Б' + 33: 0, # 'В' + 46: 0, # 'Г' + 41: 1, # 'Д' + 48: 1, # 'Е' + 56: 0, # 'Ж' + 51: 1, # 'З' + 42: 1, # 'И' + 60: 0, # 'Й' + 36: 0, # 'К' + 49: 0, # 'Л' + 38: 0, # 'М' + 31: 1, # 'Н' + 34: 1, # 'О' + 35: 0, # 'П' + 45: 0, # 'Р' + 32: 0, # 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'н' + 174: 1, # 'о' + 175: 15, # 'п' + 176: 191, # '░' + 177: 192, # '▒' + 178: 193, # '▓' + 179: 194, # '│' + 180: 195, # '┤' + 181: 196, # '╡' + 182: 197, # '╢' + 183: 198, # '╖' + 184: 199, # '╕' + 185: 200, # '╣' + 186: 201, # '║' + 187: 202, # '╗' + 188: 203, # '╝' + 189: 204, # '╜' + 190: 205, # '╛' + 191: 206, # '┐' + 192: 207, # '└' + 193: 208, # '┴' + 194: 209, # '┬' + 195: 210, # '├' + 196: 211, # '─' + 197: 212, # '┼' + 198: 213, # '╞' + 199: 214, # '╟' + 200: 215, # '╚' + 201: 216, # '╔' + 202: 217, # '╩' + 203: 218, # '╦' + 204: 219, # '╠' + 205: 220, # '═' + 206: 221, # '╬' + 207: 222, # '╧' + 208: 223, # '╨' + 209: 224, # '╤' + 210: 225, # '╥' + 211: 226, # '╙' + 212: 227, # '╘' + 213: 228, # '╒' + 214: 229, # '╓' + 215: 230, # '╫' + 216: 231, # '╪' + 217: 232, # '┘' + 218: 233, # '┌' + 219: 234, # '█' + 220: 235, # '▄' + 221: 236, # '▌' + 222: 237, # '▐' + 223: 238, # '▀' + 224: 9, # 'р' + 225: 7, # 'с' + 226: 6, # 'т' + 227: 14, # 'у' + 228: 39, # 'ф' + 229: 26, # 'х' + 230: 28, # 'ц' + 231: 22, # 'ч' + 232: 25, # 'ш' + 233: 29, # 'щ' + 234: 54, # 'ъ' + 235: 18, # 'ы' + 236: 17, # 'ь' + 237: 30, # 'э' + 238: 27, # 'ю' + 239: 16, # 'я' + 240: 239, # 'Ё' + 241: 68, # 'ё' + 242: 240, # 'Є' + 243: 241, # 'є' + 244: 242, # 'Ї' + 245: 243, # 'ї' + 246: 244, # 'Ў' + 247: 245, # 'ў' + 248: 246, # '°' + 249: 247, # '∙' + 250: 248, # '·' + 251: 249, # '√' + 252: 250, # '№' + 253: 251, # '¤' + 254: 252, # '■' + 255: 255, # '\xa0' +} + +IBM866_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='IBM866', + language='Russian', + char_to_order_map=IBM866_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + +WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 142, # 'A' + 66: 143, # 'B' + 67: 144, # 'C' + 68: 145, # 'D' + 69: 146, # 'E' + 70: 147, # 'F' + 71: 148, # 'G' + 72: 149, # 'H' + 73: 150, # 'I' + 74: 151, # 'J' + 75: 152, # 'K' + 76: 74, # 'L' + 77: 153, # 'M' + 78: 75, # 'N' + 79: 154, # 'O' + 80: 155, # 'P' + 81: 156, # 'Q' + 82: 157, # 'R' + 83: 158, # 'S' + 84: 159, # 'T' + 85: 160, # 'U' + 86: 161, # 'V' + 87: 162, # 'W' + 88: 163, # 'X' + 89: 164, # 'Y' + 90: 165, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 71, # 'a' + 98: 172, # 'b' + 99: 66, # 'c' + 100: 173, # 'd' + 101: 65, # 'e' + 102: 174, # 'f' + 103: 76, # 'g' + 104: 175, # 'h' + 105: 64, # 'i' + 106: 176, # 'j' + 107: 177, # 'k' + 108: 77, # 'l' + 109: 72, # 'm' + 110: 178, # 'n' + 111: 69, # 'o' + 112: 67, # 'p' + 113: 179, # 'q' + 114: 78, # 'r' + 115: 73, # 's' + 116: 180, # 't' + 117: 181, # 'u' + 118: 79, # 'v' + 119: 182, # 'w' + 120: 183, # 'x' + 121: 184, # 'y' + 122: 185, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 191, # 'Ђ' + 129: 192, # 'Ѓ' + 130: 193, # '‚' + 131: 194, # 'ѓ' + 132: 195, # '„' + 133: 196, # '…' + 134: 197, # '†' + 135: 198, # '‡' + 136: 199, # '€' + 137: 200, # '‰' + 138: 201, # 'Љ' + 139: 202, # '‹' + 140: 203, # 'Њ' + 141: 204, # 'Ќ' + 142: 205, # 'Ћ' + 143: 206, # 'Џ' + 144: 207, # 'ђ' + 145: 208, # '‘' + 146: 209, # '’' + 147: 210, # '“' + 148: 211, # '”' + 149: 212, # '•' + 150: 213, # '–' + 151: 214, # '—' + 152: 215, # None + 153: 216, # '™' + 154: 217, # 'љ' + 155: 218, # '›' + 156: 219, # 'њ' + 157: 220, # 'ќ' + 158: 221, # 'ћ' + 159: 222, # 'џ' + 160: 223, # '\xa0' + 161: 224, # 'Ў' + 162: 225, # 'ў' + 163: 226, # 'Ј' + 164: 227, # '¤' + 165: 228, # 'Ґ' + 166: 229, # '¦' + 167: 230, # '§' + 168: 231, # 'Ё' + 169: 232, # '©' + 170: 233, # 'Є' + 171: 234, # '«' + 172: 235, # '¬' + 173: 236, # '\xad' + 174: 237, # '®' + 175: 238, # 'Ї' + 176: 239, # '°' + 177: 240, # '±' + 178: 241, # 'І' + 179: 242, # 'і' + 180: 243, # 'ґ' + 181: 244, # 'µ' + 182: 245, # '¶' + 183: 246, # '·' + 184: 68, # 'ё' + 185: 247, # '№' + 186: 248, # 'є' + 187: 249, # '»' + 188: 250, # 'ј' + 189: 251, # 'Ѕ' + 190: 252, # 'ѕ' + 191: 253, # 'ї' + 192: 37, # 'А' + 193: 44, # 'Б' + 194: 33, # 'В' + 195: 46, # 'Г' + 196: 41, # 'Д' + 197: 48, # 'Е' + 198: 56, # 'Ж' + 199: 51, # 'З' + 200: 42, # 'И' + 201: 60, # 'Й' + 202: 36, # 'К' + 203: 49, # 'Л' + 204: 38, # 'М' + 205: 31, # 'Н' + 206: 34, # 'О' + 207: 35, # 'П' + 208: 45, # 'Р' + 209: 32, # 'С' + 210: 40, # 'Т' + 211: 52, # 'У' + 212: 53, # 'Ф' + 213: 55, # 'Х' + 214: 58, # 'Ц' + 215: 50, # 'Ч' + 216: 57, # 'Ш' + 217: 63, # 'Щ' + 218: 70, # 'Ъ' + 219: 62, # 'Ы' + 220: 61, # 'Ь' + 221: 47, # 'Э' + 222: 59, # 'Ю' + 223: 43, # 'Я' + 224: 3, # 'а' + 225: 21, # 'б' + 226: 10, # 'в' + 227: 19, # 'г' + 228: 13, # 'д' + 229: 2, # 'е' + 230: 24, # 'ж' + 231: 20, # 'з' + 232: 4, # 'и' + 233: 23, # 'й' + 234: 11, # 'к' + 235: 8, # 'л' + 236: 12, # 'м' + 237: 5, # 'н' + 238: 1, # 'о' + 239: 15, # 'п' + 240: 9, # 'р' + 241: 7, # 'с' + 242: 6, # 'т' + 243: 14, # 'у' + 244: 39, # 'ф' + 245: 26, # 'х' + 246: 28, # 'ц' + 247: 22, # 'ч' + 248: 25, # 'ш' + 249: 29, # 'щ' + 250: 54, # 'ъ' + 251: 18, # 'ы' + 252: 17, # 'ь' + 253: 30, # 'э' + 254: 27, # 'ю' + 255: 16, # 'я' +} + +WINDOWS_1251_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='windows-1251', + language='Russian', + char_to_order_map=WINDOWS_1251_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + +IBM855_RUSSIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 142, # 'A' + 66: 143, # 'B' + 67: 144, # 'C' + 68: 145, # 'D' + 69: 146, # 'E' + 70: 147, # 'F' + 71: 148, # 'G' + 72: 149, # 'H' + 73: 150, # 'I' + 74: 151, # 'J' + 75: 152, # 'K' + 76: 74, # 'L' + 77: 153, # 'M' + 78: 75, # 'N' + 79: 154, # 'O' + 80: 155, # 'P' + 81: 156, # 'Q' + 82: 157, # 'R' + 83: 158, # 'S' + 84: 159, # 'T' + 85: 160, # 'U' + 86: 161, # 'V' + 87: 162, # 'W' + 88: 163, # 'X' + 89: 164, # 'Y' + 90: 165, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 71, # 'a' + 98: 172, # 'b' + 99: 66, # 'c' + 100: 173, # 'd' + 101: 65, # 'e' + 102: 174, # 'f' + 103: 76, # 'g' + 104: 175, # 'h' + 105: 64, # 'i' + 106: 176, # 'j' + 107: 177, # 'k' + 108: 77, # 'l' + 109: 72, # 'm' + 110: 178, # 'n' + 111: 69, # 'o' + 112: 67, # 'p' + 113: 179, # 'q' + 114: 78, # 'r' + 115: 73, # 's' + 116: 180, # 't' + 117: 181, # 'u' + 118: 79, # 'v' + 119: 182, # 'w' + 120: 183, # 'x' + 121: 184, # 'y' + 122: 185, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 191, # 'ђ' + 129: 192, # 'Ђ' + 130: 193, # 'ѓ' + 131: 194, # 'Ѓ' + 132: 68, # 'ё' + 133: 195, # 'Ё' + 134: 196, # 'є' + 135: 197, # 'Є' + 136: 198, # 'ѕ' + 137: 199, # 'Ѕ' + 138: 200, # 'і' + 139: 201, # 'І' + 140: 202, # 'ї' + 141: 203, # 'Ї' + 142: 204, # 'ј' + 143: 205, # 'Ј' + 144: 206, # 'љ' + 145: 207, # 'Љ' + 146: 208, # 'њ' + 147: 209, # 'Њ' + 148: 210, # 'ћ' + 149: 211, # 'Ћ' + 150: 212, # 'ќ' + 151: 213, # 'Ќ' + 152: 214, # 'ў' + 153: 215, # 'Ў' + 154: 216, # 'џ' + 155: 217, # 'Џ' + 156: 27, # 'ю' + 157: 59, # 'Ю' + 158: 54, # 'ъ' + 159: 70, # 'Ъ' + 160: 3, # 'а' + 161: 37, # 'А' + 162: 21, # 'б' + 163: 44, # 'Б' + 164: 28, # 'ц' + 165: 58, # 'Ц' + 166: 13, # 'д' + 167: 41, # 'Д' + 168: 2, # 'е' + 169: 48, # 'Е' + 170: 39, # 'ф' + 171: 53, # 'Ф' + 172: 19, # 'г' + 173: 46, # 'Г' + 174: 218, # '«' + 175: 219, # '»' + 176: 220, # '░' + 177: 221, # '▒' + 178: 222, # '▓' + 179: 223, # '│' + 180: 224, # '┤' + 181: 26, # 'х' + 182: 55, # 'Х' + 183: 4, # 'и' + 184: 42, # 'И' + 185: 225, # '╣' + 186: 226, # '║' + 187: 227, # '╗' + 188: 228, # '╝' + 189: 23, # 'й' + 190: 60, # 'Й' + 191: 229, # '┐' + 192: 230, # '└' + 193: 231, # '┴' + 194: 232, # '┬' + 195: 233, # '├' + 196: 234, # '─' + 197: 235, # '┼' + 198: 11, # 'к' + 199: 36, # 'К' + 200: 236, # '╚' + 201: 237, # '╔' + 202: 238, # '╩' + 203: 239, # '╦' + 204: 240, # '╠' + 205: 241, # '═' + 206: 242, # '╬' + 207: 243, # '¤' + 208: 8, # 'л' + 209: 49, # 'Л' + 210: 12, # 'м' + 211: 38, # 'М' + 212: 5, # 'н' + 213: 31, # 'Н' + 214: 1, # 'о' + 215: 34, # 'О' + 216: 15, # 'п' + 217: 244, # '┘' + 218: 245, # '┌' + 219: 246, # '█' + 220: 247, # '▄' + 221: 35, # 'П' + 222: 16, # 'я' + 223: 248, # '▀' + 224: 43, # 'Я' + 225: 9, # 'р' + 226: 45, # 'Р' + 227: 7, # 'с' + 228: 32, # 'С' + 229: 6, # 'т' + 230: 40, # 'Т' + 231: 14, # 'у' + 232: 52, # 'У' + 233: 24, # 'ж' + 234: 56, # 'Ж' + 235: 10, # 'в' + 236: 33, # 'В' + 237: 17, # 'ь' + 238: 61, # 'Ь' + 239: 249, # '№' + 240: 250, # '\xad' + 241: 18, # 'ы' + 242: 62, # 'Ы' + 243: 20, # 'з' + 244: 51, # 'З' + 245: 25, # 'ш' + 246: 57, # 'Ш' + 247: 30, # 'э' + 248: 47, # 'Э' + 249: 29, # 'щ' + 250: 63, # 'Щ' + 251: 22, # 'ч' + 252: 50, # 'Ч' + 253: 251, # '§' + 254: 252, # '■' + 255: 255, # '\xa0' +} + +IBM855_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='IBM855', + language='Russian', + char_to_order_map=IBM855_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + +KOI8_R_RUSSIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 142, # 'A' + 66: 143, # 'B' + 67: 144, # 'C' + 68: 145, # 'D' + 69: 146, # 'E' + 70: 147, # 'F' + 71: 148, # 'G' + 72: 149, # 'H' + 73: 150, # 'I' + 74: 151, # 'J' + 75: 152, # 'K' + 76: 74, # 'L' + 77: 153, # 'M' + 78: 75, # 'N' + 79: 154, # 'O' + 80: 155, # 'P' + 81: 156, # 'Q' + 82: 157, # 'R' + 83: 158, # 'S' + 84: 159, # 'T' + 85: 160, # 'U' + 86: 161, # 'V' + 87: 162, # 'W' + 88: 163, # 'X' + 89: 164, # 'Y' + 90: 165, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 71, # 'a' + 98: 172, # 'b' + 99: 66, # 'c' + 100: 173, # 'd' + 101: 65, # 'e' + 102: 174, # 'f' + 103: 76, # 'g' + 104: 175, # 'h' + 105: 64, # 'i' + 106: 176, # 'j' + 107: 177, # 'k' + 108: 77, # 'l' + 109: 72, # 'm' + 110: 178, # 'n' + 111: 69, # 'o' + 112: 67, # 'p' + 113: 179, # 'q' + 114: 78, # 'r' + 115: 73, # 's' + 116: 180, # 't' + 117: 181, # 'u' + 118: 79, # 'v' + 119: 182, # 'w' + 120: 183, # 'x' + 121: 184, # 'y' + 122: 185, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 191, # '─' + 129: 192, # '│' + 130: 193, # '┌' + 131: 194, # '┐' + 132: 195, # '└' + 133: 196, # '┘' + 134: 197, # '├' + 135: 198, # '┤' + 136: 199, # '┬' + 137: 200, # '┴' + 138: 201, # '┼' + 139: 202, # '▀' + 140: 203, # '▄' + 141: 204, # '█' + 142: 205, # '▌' + 143: 206, # '▐' + 144: 207, # '░' + 145: 208, # '▒' + 146: 209, # '▓' + 147: 210, # '⌠' + 148: 211, # '■' + 149: 212, # '∙' + 150: 213, # '√' + 151: 214, # '≈' + 152: 215, # '≤' + 153: 216, # '≥' + 154: 217, # '\xa0' + 155: 218, # '⌡' + 156: 219, # '°' + 157: 220, # '²' + 158: 221, # '·' + 159: 222, # '÷' + 160: 223, # '═' + 161: 224, # '║' + 162: 225, # '╒' + 163: 68, # 'ё' + 164: 226, # '╓' + 165: 227, # '╔' + 166: 228, # '╕' + 167: 229, # '╖' + 168: 230, # '╗' + 169: 231, # '╘' + 170: 232, # '╙' + 171: 233, # '╚' + 172: 234, # '╛' + 173: 235, # '╜' + 174: 236, # '╝' + 175: 237, # '╞' + 176: 238, # '╟' + 177: 239, # '╠' + 178: 240, # '╡' + 179: 241, # 'Ё' + 180: 242, # '╢' + 181: 243, # '╣' + 182: 244, # '╤' + 183: 245, # '╥' + 184: 246, # '╦' + 185: 247, # '╧' + 186: 248, # '╨' + 187: 249, # '╩' + 188: 250, # '╪' + 189: 251, # '╫' + 190: 252, # '╬' + 191: 253, # '©' + 192: 27, # 'ю' + 193: 3, # 'а' + 194: 21, # 'б' + 195: 28, # 'ц' + 196: 13, # 'д' + 197: 2, # 'е' + 198: 39, # 'ф' + 199: 19, # 'г' + 200: 26, # 'х' + 201: 4, # 'и' + 202: 23, # 'й' + 203: 11, # 'к' + 204: 8, # 'л' + 205: 12, # 'м' + 206: 5, # 'н' + 207: 1, # 'о' + 208: 15, # 'п' + 209: 16, # 'я' + 210: 9, # 'р' + 211: 7, # 'с' + 212: 6, # 'т' + 213: 14, # 'у' + 214: 24, # 'ж' + 215: 10, # 'в' + 216: 17, # 'ь' + 217: 18, # 'ы' + 218: 20, # 'з' + 219: 25, # 'ш' + 220: 30, # 'э' + 221: 29, # 'щ' + 222: 22, # 'ч' + 223: 54, # 'ъ' + 224: 59, # 'Ю' + 225: 37, # 'А' + 226: 44, # 'Б' + 227: 58, # 'Ц' + 228: 41, # 'Д' + 229: 48, # 'Е' + 230: 53, # 'Ф' + 231: 46, # 'Г' + 232: 55, # 'Х' + 233: 42, # 'И' + 234: 60, # 'Й' + 235: 36, # 'К' + 236: 49, # 'Л' + 237: 38, # 'М' + 238: 31, # 'Н' + 239: 34, # 'О' + 240: 35, # 'П' + 241: 43, # 'Я' + 242: 45, # 'Р' + 243: 32, # 'С' + 244: 40, # 'Т' + 245: 52, # 'У' + 246: 56, # 'Ж' + 247: 33, # 'В' + 248: 61, # 'Ь' + 249: 62, # 'Ы' + 250: 51, # 'З' + 251: 57, # 'Ш' + 252: 47, # 'Э' + 253: 63, # 'Щ' + 254: 50, # 'Ч' + 255: 70, # 'Ъ' +} + +KOI8_R_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='KOI8-R', + language='Russian', + char_to_order_map=KOI8_R_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + +MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 142, # 'A' + 66: 143, # 'B' + 67: 144, # 'C' + 68: 145, # 'D' + 69: 146, # 'E' + 70: 147, # 'F' + 71: 148, # 'G' + 72: 149, # 'H' + 73: 150, # 'I' + 74: 151, # 'J' + 75: 152, # 'K' + 76: 74, # 'L' + 77: 153, # 'M' + 78: 75, # 'N' + 79: 154, # 'O' + 80: 155, # 'P' + 81: 156, # 'Q' + 82: 157, # 'R' + 83: 158, # 'S' + 84: 159, # 'T' + 85: 160, # 'U' + 86: 161, # 'V' + 87: 162, # 'W' + 88: 163, # 'X' + 89: 164, # 'Y' + 90: 165, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 71, # 'a' + 98: 172, # 'b' + 99: 66, # 'c' + 100: 173, # 'd' + 101: 65, # 'e' + 102: 174, # 'f' + 103: 76, # 'g' + 104: 175, # 'h' + 105: 64, # 'i' + 106: 176, # 'j' + 107: 177, # 'k' + 108: 77, # 'l' + 109: 72, # 'm' + 110: 178, # 'n' + 111: 69, # 'o' + 112: 67, # 'p' + 113: 179, # 'q' + 114: 78, # 'r' + 115: 73, # 's' + 116: 180, # 't' + 117: 181, # 'u' + 118: 79, # 'v' + 119: 182, # 'w' + 120: 183, # 'x' + 121: 184, # 'y' + 122: 185, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 37, # 'А' + 129: 44, # 'Б' + 130: 33, # 'В' + 131: 46, # 'Г' + 132: 41, # 'Д' + 133: 48, # 'Е' + 134: 56, # 'Ж' + 135: 51, # 'З' + 136: 42, # 'И' + 137: 60, # 'Й' + 138: 36, # 'К' + 139: 49, # 'Л' + 140: 38, # 'М' + 141: 31, # 'Н' + 142: 34, # 'О' + 143: 35, # 'П' + 144: 45, # 'Р' + 145: 32, # 'С' + 146: 40, # 'Т' + 147: 52, # 'У' + 148: 53, # 'Ф' + 149: 55, # 'Х' + 150: 58, # 'Ц' + 151: 50, # 'Ч' + 152: 57, # 'Ш' + 153: 63, # 'Щ' + 154: 70, # 'Ъ' + 155: 62, # 'Ы' + 156: 61, # 'Ь' + 157: 47, # 'Э' + 158: 59, # 'Ю' + 159: 43, # 'Я' + 160: 191, # '†' + 161: 192, # '°' + 162: 193, # 'Ґ' + 163: 194, # '£' + 164: 195, # '§' + 165: 196, # '•' + 166: 197, # '¶' + 167: 198, # 'І' + 168: 199, # '®' + 169: 200, # '©' + 170: 201, # '™' + 171: 202, # 'Ђ' + 172: 203, # 'ђ' + 173: 204, # '≠' + 174: 205, # 'Ѓ' + 175: 206, # 'ѓ' + 176: 207, # '∞' + 177: 208, # '±' + 178: 209, # '≤' + 179: 210, # '≥' + 180: 211, # 'і' + 181: 212, # 'µ' + 182: 213, # 'ґ' + 183: 214, # 'Ј' + 184: 215, # 'Є' + 185: 216, # 'є' + 186: 217, # 'Ї' + 187: 218, # 'ї' + 188: 219, # 'Љ' + 189: 220, # 'љ' + 190: 221, # 'Њ' + 191: 222, # 'њ' + 192: 223, # 'ј' + 193: 224, # 'Ѕ' + 194: 225, # '¬' + 195: 226, # '√' + 196: 227, # 'ƒ' + 197: 228, # '≈' + 198: 229, # '∆' + 199: 230, # '«' + 200: 231, # '»' + 201: 232, # '…' + 202: 233, # '\xa0' + 203: 234, # 'Ћ' + 204: 235, # 'ћ' + 205: 236, # 'Ќ' + 206: 237, # 'ќ' + 207: 238, # 'ѕ' + 208: 239, # '–' + 209: 240, # '—' + 210: 241, # '“' + 211: 242, # '”' + 212: 243, # '‘' + 213: 244, # '’' + 214: 245, # '÷' + 215: 246, # '„' + 216: 247, # 'Ў' + 217: 248, # 'ў' + 218: 249, # 'Џ' + 219: 250, # 'џ' + 220: 251, # '№' + 221: 252, # 'Ё' + 222: 68, # 'ё' + 223: 16, # 'я' + 224: 3, # 'а' + 225: 21, # 'б' + 226: 10, # 'в' + 227: 19, # 'г' + 228: 13, # 'д' + 229: 2, # 'е' + 230: 24, # 'ж' + 231: 20, # 'з' + 232: 4, # 'и' + 233: 23, # 'й' + 234: 11, # 'к' + 235: 8, # 'л' + 236: 12, # 'м' + 237: 5, # 'н' + 238: 1, # 'о' + 239: 15, # 'п' + 240: 9, # 'р' + 241: 7, # 'с' + 242: 6, # 'т' + 243: 14, # 'у' + 244: 39, # 'ф' + 245: 26, # 'х' + 246: 28, # 'ц' + 247: 22, # 'ч' + 248: 25, # 'ш' + 249: 29, # 'щ' + 250: 54, # 'ъ' + 251: 18, # 'ы' + 252: 17, # 'ь' + 253: 30, # 'э' + 254: 27, # 'ю' + 255: 255, # '€' +} + +MACCYRILLIC_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='MacCyrillic', + language='Russian', + char_to_order_map=MACCYRILLIC_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + +ISO_8859_5_RUSSIAN_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 142, # 'A' + 66: 143, # 'B' + 67: 144, # 'C' + 68: 145, # 'D' + 69: 146, # 'E' + 70: 147, # 'F' + 71: 148, # 'G' + 72: 149, # 'H' + 73: 150, # 'I' + 74: 151, # 'J' + 75: 152, # 'K' + 76: 74, # 'L' + 77: 153, # 'M' + 78: 75, # 'N' + 79: 154, # 'O' + 80: 155, # 'P' + 81: 156, # 'Q' + 82: 157, # 'R' + 83: 158, # 'S' + 84: 159, # 'T' + 85: 160, # 'U' + 86: 161, # 'V' + 87: 162, # 'W' + 88: 163, # 'X' + 89: 164, # 'Y' + 90: 165, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 71, # 'a' + 98: 172, # 'b' + 99: 66, # 'c' + 100: 173, # 'd' + 101: 65, # 'e' + 102: 174, # 'f' + 103: 76, # 'g' + 104: 175, # 'h' + 105: 64, # 'i' + 106: 176, # 'j' + 107: 177, # 'k' + 108: 77, # 'l' + 109: 72, # 'm' + 110: 178, # 'n' + 111: 69, # 'o' + 112: 67, # 'p' + 113: 179, # 'q' + 114: 78, # 'r' + 115: 73, # 's' + 116: 180, # 't' + 117: 181, # 'u' + 118: 79, # 'v' + 119: 182, # 'w' + 120: 183, # 'x' + 121: 184, # 'y' + 122: 185, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 191, # '\x80' + 129: 192, # '\x81' + 130: 193, # '\x82' + 131: 194, # '\x83' + 132: 195, # '\x84' + 133: 196, # '\x85' + 134: 197, # '\x86' + 135: 198, # '\x87' + 136: 199, # '\x88' + 137: 200, # '\x89' + 138: 201, # '\x8a' + 139: 202, # '\x8b' + 140: 203, # '\x8c' + 141: 204, # '\x8d' + 142: 205, # '\x8e' + 143: 206, # '\x8f' + 144: 207, # '\x90' + 145: 208, # '\x91' + 146: 209, # '\x92' + 147: 210, # '\x93' + 148: 211, # '\x94' + 149: 212, # '\x95' + 150: 213, # '\x96' + 151: 214, # '\x97' + 152: 215, # '\x98' + 153: 216, # '\x99' + 154: 217, # '\x9a' + 155: 218, # '\x9b' + 156: 219, # '\x9c' + 157: 220, # '\x9d' + 158: 221, # '\x9e' + 159: 222, # '\x9f' + 160: 223, # '\xa0' + 161: 224, # 'Ё' + 162: 225, # 'Ђ' + 163: 226, # 'Ѓ' + 164: 227, # 'Є' + 165: 228, # 'Ѕ' + 166: 229, # 'І' + 167: 230, # 'Ї' + 168: 231, # 'Ј' + 169: 232, # 'Љ' + 170: 233, # 'Њ' + 171: 234, # 'Ћ' + 172: 235, # 'Ќ' + 173: 236, # '\xad' + 174: 237, # 'Ў' + 175: 238, # 'Џ' + 176: 37, # 'А' + 177: 44, # 'Б' + 178: 33, # 'В' + 179: 46, # 'Г' + 180: 41, # 'Д' + 181: 48, # 'Е' + 182: 56, # 'Ж' + 183: 51, # 'З' + 184: 42, # 'И' + 185: 60, # 'Й' + 186: 36, # 'К' + 187: 49, # 'Л' + 188: 38, # 'М' + 189: 31, # 'Н' + 190: 34, # 'О' + 191: 35, # 'П' + 192: 45, # 'Р' + 193: 32, # 'С' + 194: 40, # 'Т' + 195: 52, # 'У' + 196: 53, # 'Ф' + 197: 55, # 'Х' + 198: 58, # 'Ц' + 199: 50, # 'Ч' + 200: 57, # 'Ш' + 201: 63, # 'Щ' + 202: 70, # 'Ъ' + 203: 62, # 'Ы' + 204: 61, # 'Ь' + 205: 47, # 'Э' + 206: 59, # 'Ю' + 207: 43, # 'Я' + 208: 3, # 'а' + 209: 21, # 'б' + 210: 10, # 'в' + 211: 19, # 'г' + 212: 13, # 'д' + 213: 2, # 'е' + 214: 24, # 'ж' + 215: 20, # 'з' + 216: 4, # 'и' + 217: 23, # 'й' + 218: 11, # 'к' + 219: 8, # 'л' + 220: 12, # 'м' + 221: 5, # 'н' + 222: 1, # 'о' + 223: 15, # 'п' + 224: 9, # 'р' + 225: 7, # 'с' + 226: 6, # 'т' + 227: 14, # 'у' + 228: 39, # 'ф' + 229: 26, # 'х' + 230: 28, # 'ц' + 231: 22, # 'ч' + 232: 25, # 'ш' + 233: 29, # 'щ' + 234: 54, # 'ъ' + 235: 18, # 'ы' + 236: 17, # 'ь' + 237: 30, # 'э' + 238: 27, # 'ю' + 239: 16, # 'я' + 240: 239, # '№' + 241: 68, # 'ё' + 242: 240, # 'ђ' + 243: 241, # 'ѓ' + 244: 242, # 'є' + 245: 243, # 'ѕ' + 246: 244, # 'і' + 247: 245, # 'ї' + 248: 246, # 'ј' + 249: 247, # 'љ' + 250: 248, # 'њ' + 251: 249, # 'ћ' + 252: 250, # 'ќ' + 253: 251, # '§' + 254: 252, # 'ў' + 255: 255, # 'џ' +} + +ISO_8859_5_RUSSIAN_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-5', + language='Russian', + char_to_order_map=ISO_8859_5_RUSSIAN_CHAR_TO_ORDER, + language_model=RUSSIAN_LANG_MODEL, + typical_positive_ratio=0.976601, + keep_ascii_letters=False, + alphabet='ЁАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюяё') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langthaimodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langthaimodel.py new file mode 100644 index 0000000..d0191f2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langthaimodel.py @@ -0,0 +1,4383 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +THAI_LANG_MODEL = { + 5: { # 'ก' + 5: 2, # 'ก' + 30: 2, # 'ข' + 24: 2, # 'ค' + 8: 2, # 'ง' + 26: 2, # 'จ' + 52: 0, # 'ฉ' + 34: 1, # 'ช' + 51: 1, # 'ซ' + 47: 0, # 'ญ' + 58: 3, # 'ฎ' + 57: 2, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 2, # 'ณ' + 20: 2, # 'ด' + 19: 3, # 'ต' + 44: 0, # 'ถ' + 14: 2, # 'ท' + 48: 0, # 'ธ' + 3: 2, # 'น' + 17: 1, # 'บ' + 25: 2, # 'ป' + 39: 1, # 'ผ' + 62: 1, # 'ฝ' + 31: 1, # 'พ' + 54: 0, # 'ฟ' + 45: 1, # 'ภ' + 9: 2, # 'ม' + 16: 1, # 'ย' + 2: 3, # 'ร' + 61: 2, # 'ฤ' + 15: 3, # 'ล' + 12: 3, # 'ว' + 42: 2, # 'ศ' + 46: 3, # 'ษ' + 18: 2, # 'ส' + 21: 2, # 'ห' + 4: 3, # 'อ' + 63: 1, # 'ฯ' + 22: 2, # 'ะ' + 10: 3, # 'ั' + 1: 3, # 'า' + 36: 3, # 'ำ' + 23: 3, # 'ิ' + 13: 3, # 'ี' + 40: 0, # 'ึ' + 27: 2, # 'ื' + 32: 2, # 'ุ' + 35: 1, # 'ู' + 11: 2, # 'เ' + 28: 2, # 'แ' + 41: 1, # 'โ' + 29: 1, # 'ใ' + 33: 2, # 'ไ' + 50: 1, # 'ๆ' + 37: 3, # '็' + 6: 3, # '่' + 7: 3, # '้' + 38: 2, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 30: { # 'ข' + 5: 1, # 'ก' + 30: 0, # 'ข' + 24: 1, # 'ค' + 8: 1, # 'ง' + 26: 1, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 2, # 'ณ' + 20: 0, # 'ด' + 19: 2, # 'ต' + 44: 0, # 'ถ' + 14: 1, # 'ท' + 48: 0, # 'ธ' + 3: 2, # 'น' + 17: 1, # 'บ' + 25: 1, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 0, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 0, # 'ม' + 16: 2, # 'ย' + 2: 1, # 'ร' + 61: 0, # 'ฤ' + 15: 0, # 'ล' + 12: 2, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 1, # 'ส' + 21: 1, # 'ห' + 4: 3, # 'อ' + 63: 0, # 'ฯ' + 22: 0, # 'ะ' + 10: 3, # 'ั' + 1: 3, # 'า' + 36: 0, # 'ำ' + 23: 0, # 'ิ' + 13: 2, # 'ี' + 40: 3, # 'ึ' + 27: 1, # 'ื' + 32: 1, # 'ุ' + 35: 0, # 'ู' + 11: 0, # 'เ' + 28: 0, # 'แ' + 41: 0, # 'โ' + 29: 1, # 'ใ' + 33: 0, # 'ไ' + 50: 0, # 'ๆ' + 37: 1, # '็' + 6: 2, # '่' + 7: 3, # '้' + 38: 1, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 24: { # 'ค' + 5: 0, # 'ก' + 30: 0, # 'ข' + 24: 2, # 'ค' + 8: 2, # 'ง' + 26: 0, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 2, # 'ณ' + 20: 2, # 'ด' + 19: 2, # 'ต' + 44: 0, # 'ถ' + 14: 1, # 'ท' + 48: 0, # 'ธ' + 3: 3, # 'น' + 17: 0, # 'บ' + 25: 1, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 0, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 2, # 'ม' + 16: 2, # 'ย' + 2: 3, # 'ร' + 61: 0, # 'ฤ' + 15: 3, # 'ล' + 12: 3, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 1, # 'ส' + 21: 0, # 'ห' + 4: 2, # 'อ' + 63: 0, # 'ฯ' + 22: 2, # 'ะ' + 10: 3, # 'ั' + 1: 2, # 'า' + 36: 3, # 'ำ' + 23: 3, # 'ิ' + 13: 2, # 'ี' + 40: 0, # 'ึ' + 27: 3, # 'ื' + 32: 3, # 'ุ' + 35: 2, # 'ู' + 11: 1, # 'เ' + 28: 0, # 'แ' + 41: 3, # 'โ' + 29: 0, # 'ใ' + 33: 0, # 'ไ' + 50: 0, # 'ๆ' + 37: 1, # '็' + 6: 3, # '่' + 7: 3, # '้' + 38: 3, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 8: { # 'ง' + 5: 3, # 'ก' + 30: 2, # 'ข' + 24: 3, # 'ค' + 8: 2, # 'ง' + 26: 2, # 'จ' + 52: 1, # 'ฉ' + 34: 2, # 'ช' + 51: 1, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 2, # 'ด' + 19: 2, # 'ต' + 44: 1, # 'ถ' + 14: 3, # 'ท' + 48: 1, # 'ธ' + 3: 3, # 'น' + 17: 2, # 'บ' + 25: 2, # 'ป' + 39: 2, # 'ผ' + 62: 1, # 'ฝ' + 31: 2, # 'พ' + 54: 0, # 'ฟ' + 45: 1, # 'ภ' + 9: 2, # 'ม' + 16: 1, # 'ย' + 2: 2, # 'ร' + 61: 0, # 'ฤ' + 15: 2, # 'ล' + 12: 2, # 'ว' + 42: 2, # 'ศ' + 46: 1, # 'ษ' + 18: 3, # 'ส' + 21: 3, # 'ห' + 4: 2, # 'อ' + 63: 0, # 'ฯ' + 22: 0, # 'ะ' + 10: 1, # 'ั' + 1: 3, # 'า' + 36: 0, # 'ำ' + 23: 2, # 'ิ' + 13: 1, # 'ี' + 40: 0, # 'ึ' + 27: 1, # 'ื' + 32: 1, # 'ุ' + 35: 0, # 'ู' + 11: 3, # 'เ' + 28: 2, # 'แ' + 41: 1, # 'โ' + 29: 2, # 'ใ' + 33: 2, # 'ไ' + 50: 3, # 'ๆ' + 37: 0, # '็' + 6: 2, # '่' + 7: 0, # '้' + 38: 0, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 26: { # 'จ' + 5: 2, # 'ก' + 30: 1, # 'ข' + 24: 0, # 'ค' + 8: 2, # 'ง' + 26: 3, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 2, # 'ด' + 19: 1, # 'ต' + 44: 1, # 'ถ' + 14: 2, # 'ท' + 48: 0, # 'ธ' + 3: 3, # 'น' + 17: 1, # 'บ' + 25: 0, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 1, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 1, # 'ม' + 16: 1, # 'ย' + 2: 3, # 'ร' + 61: 0, # 'ฤ' + 15: 0, # 'ล' + 12: 1, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 2, # 'ส' + 21: 1, # 'ห' + 4: 2, # 'อ' + 63: 0, # 'ฯ' + 22: 3, # 'ะ' + 10: 3, # 'ั' + 1: 3, # 'า' + 36: 3, # 'ำ' + 23: 2, # 'ิ' + 13: 1, # 'ี' + 40: 3, # 'ึ' + 27: 1, # 'ื' + 32: 3, # 'ุ' + 35: 2, # 'ู' + 11: 1, # 'เ' + 28: 1, # 'แ' + 41: 0, # 'โ' + 29: 1, # 'ใ' + 33: 1, # 'ไ' + 50: 0, # 'ๆ' + 37: 0, # '็' + 6: 2, # '่' + 7: 2, # '้' + 38: 0, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 52: { # 'ฉ' + 5: 0, # 'ก' + 30: 0, # 'ข' + 24: 0, # 'ค' + 8: 0, # 'ง' + 26: 0, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 0, # 'ด' + 19: 0, # 'ต' + 44: 0, # 'ถ' + 14: 0, # 'ท' + 48: 0, # 'ธ' + 3: 0, # 'น' + 17: 3, # 'บ' + 25: 0, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 3, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 1, # 'ม' + 16: 1, # 'ย' + 2: 0, # 'ร' + 61: 0, # 'ฤ' + 15: 2, # 'ล' + 12: 1, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 0, # 'ส' + 21: 0, # 'ห' + 4: 0, # 'อ' + 63: 0, # 'ฯ' + 22: 1, # 'ะ' + 10: 1, # 'ั' + 1: 1, # 'า' + 36: 0, # 'ำ' + 23: 1, # 'ิ' + 13: 1, # 'ี' + 40: 0, # 'ึ' + 27: 0, # 'ื' + 32: 1, # 'ุ' + 35: 0, # 'ู' + 11: 0, # 'เ' + 28: 0, # 'แ' + 41: 0, # 'โ' + 29: 0, # 'ใ' + 33: 0, # 'ไ' + 50: 0, # 'ๆ' + 37: 0, # '็' + 6: 0, # '่' + 7: 0, # '้' + 38: 0, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 34: { # 'ช' + 5: 1, # 'ก' + 30: 0, # 'ข' + 24: 0, # 'ค' + 8: 1, # 'ง' + 26: 0, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 1, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 0, # 'ด' + 19: 0, # 'ต' + 44: 0, # 'ถ' + 14: 1, # 'ท' + 48: 0, # 'ธ' + 3: 3, # 'น' + 17: 2, # 'บ' + 25: 0, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 0, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 2, # 'ม' + 16: 1, # 'ย' + 2: 1, # 'ร' + 61: 0, # 'ฤ' + 15: 0, # 'ล' + 12: 1, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 0, # 'ส' + 21: 0, # 'ห' + 4: 2, # 'อ' + 63: 0, # 'ฯ' + 22: 0, # 'ะ' + 10: 2, # 'ั' + 1: 3, # 'า' + 36: 1, # 'ำ' + 23: 3, # 'ิ' + 13: 2, # 'ี' + 40: 0, # 'ึ' + 27: 3, # 'ื' + 32: 3, # 'ุ' + 35: 1, # 'ู' + 11: 0, # 'เ' + 28: 0, # 'แ' + 41: 0, # 'โ' + 29: 0, # 'ใ' + 33: 0, # 'ไ' + 50: 0, # 'ๆ' + 37: 1, # '็' + 6: 3, # '่' + 7: 3, # '้' + 38: 0, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 51: { # 'ซ' + 5: 0, # 'ก' + 30: 0, # 'ข' + 24: 0, # 'ค' + 8: 0, # 'ง' + 26: 0, # 'จ' + 52: 0, # 'ฉ' + 34: 0, # 'ช' + 51: 0, # 'ซ' + 47: 0, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 0, # 'ด' + 19: 0, # 'ต' + 44: 0, # 'ถ' + 14: 0, # 'ท' + 48: 0, # 'ธ' + 3: 1, # 'น' + 17: 0, # 'บ' + 25: 0, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 0, # 'พ' + 54: 0, # 'ฟ' + 45: 0, # 'ภ' + 9: 0, # 'ม' + 16: 0, # 'ย' + 2: 0, # 'ร' + 61: 0, # 'ฤ' + 15: 1, # 'ล' + 12: 0, # 'ว' + 42: 0, # 'ศ' + 46: 0, # 'ษ' + 18: 1, # 'ส' + 21: 0, # 'ห' + 4: 2, # 'อ' + 63: 0, # 'ฯ' + 22: 0, # 'ะ' + 10: 1, # 'ั' + 1: 1, # 'า' + 36: 0, # 'ำ' + 23: 1, # 'ิ' + 13: 2, # 'ี' + 40: 3, # 'ึ' + 27: 2, # 'ื' + 32: 1, # 'ุ' + 35: 1, # 'ู' + 11: 1, # 'เ' + 28: 0, # 'แ' + 41: 0, # 'โ' + 29: 0, # 'ใ' + 33: 0, # 'ไ' + 50: 0, # 'ๆ' + 37: 1, # '็' + 6: 1, # '่' + 7: 2, # '้' + 38: 1, # '์' + 56: 0, # '๑' + 59: 0, # '๒' + 60: 0, # '๕' + }, + 47: { # 'ญ' + 5: 1, # 'ก' + 30: 1, # 'ข' + 24: 0, # 'ค' + 8: 0, # 'ง' + 26: 0, # 'จ' + 52: 0, # 'ฉ' + 34: 1, # 'ช' + 51: 0, # 'ซ' + 47: 3, # 'ญ' + 58: 0, # 'ฎ' + 57: 0, # 'ฏ' + 49: 0, # 'ฐ' + 53: 0, # 'ฑ' + 55: 0, # 'ฒ' + 43: 0, # 'ณ' + 20: 0, # 'ด' + 19: 0, # 'ต' + 44: 0, # 'ถ' + 14: 1, # 'ท' + 48: 0, # 'ธ' + 3: 0, # 'น' + 17: 1, # 'บ' + 25: 1, # 'ป' + 39: 0, # 'ผ' + 62: 0, # 'ฝ' + 31: 0, # 'พ' + 54: 0, # 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'\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 254, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 254, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 253, # ' ' + 33: 253, # '!' + 34: 253, # '"' + 35: 253, # '#' + 36: 253, # '$' + 37: 253, # '%' + 38: 253, # '&' + 39: 253, # "'" + 40: 253, # '(' + 41: 253, # ')' + 42: 253, # '*' + 43: 253, # '+' + 44: 253, # ',' + 45: 253, # '-' + 46: 253, # '.' + 47: 253, # '/' + 48: 252, # '0' + 49: 252, # '1' + 50: 252, # '2' + 51: 252, # '3' + 52: 252, # '4' + 53: 252, # '5' + 54: 252, # '6' + 55: 252, # '7' + 56: 252, # '8' + 57: 252, # '9' + 58: 253, # ':' + 59: 253, # ';' + 60: 253, # '<' + 61: 253, # '=' + 62: 253, # '>' + 63: 253, # '?' + 64: 253, # '@' + 65: 182, # 'A' + 66: 106, # 'B' + 67: 107, # 'C' + 68: 100, # 'D' + 69: 183, # 'E' + 70: 184, # 'F' + 71: 185, # 'G' + 72: 101, # 'H' + 73: 94, # 'I' + 74: 186, # 'J' + 75: 187, # 'K' + 76: 108, # 'L' + 77: 109, # 'M' + 78: 110, # 'N' + 79: 111, # 'O' + 80: 188, # 'P' + 81: 189, # 'Q' + 82: 190, # 'R' + 83: 89, # 'S' + 84: 95, # 'T' + 85: 112, # 'U' + 86: 113, # 'V' + 87: 191, # 'W' + 88: 192, # 'X' + 89: 193, # 'Y' + 90: 194, # 'Z' + 91: 253, # '[' + 92: 253, # '\\' + 93: 253, # ']' + 94: 253, # '^' + 95: 253, # '_' + 96: 253, # '`' + 97: 64, # 'a' + 98: 72, # 'b' + 99: 73, # 'c' + 100: 114, # 'd' + 101: 74, # 'e' + 102: 115, # 'f' + 103: 116, # 'g' + 104: 102, # 'h' + 105: 81, # 'i' + 106: 201, # 'j' + 107: 117, # 'k' + 108: 90, # 'l' + 109: 103, # 'm' + 110: 78, # 'n' + 111: 82, # 'o' + 112: 96, # 'p' + 113: 202, # 'q' + 114: 91, # 'r' + 115: 79, # 's' + 116: 84, # 't' + 117: 104, # 'u' + 118: 105, # 'v' + 119: 97, # 'w' + 120: 98, # 'x' + 121: 92, # 'y' + 122: 203, # 'z' + 123: 253, # '{' + 124: 253, # '|' + 125: 253, # '}' + 126: 253, # '~' + 127: 253, # '\x7f' + 128: 209, # '\x80' + 129: 210, # '\x81' + 130: 211, # '\x82' + 131: 212, # '\x83' + 132: 213, # '\x84' + 133: 88, # '\x85' + 134: 214, # '\x86' + 135: 215, # '\x87' + 136: 216, # '\x88' + 137: 217, # '\x89' + 138: 218, # '\x8a' + 139: 219, # '\x8b' + 140: 220, # '\x8c' + 141: 118, # '\x8d' + 142: 221, # '\x8e' + 143: 222, # '\x8f' + 144: 223, # '\x90' + 145: 224, # '\x91' + 146: 99, # '\x92' + 147: 85, # '\x93' + 148: 83, # '\x94' + 149: 225, # '\x95' + 150: 226, # '\x96' + 151: 227, # '\x97' + 152: 228, # '\x98' + 153: 229, # '\x99' + 154: 230, # '\x9a' + 155: 231, # '\x9b' + 156: 232, # '\x9c' + 157: 233, # '\x9d' + 158: 234, # '\x9e' + 159: 235, # '\x9f' + 160: 236, # None + 161: 5, # 'ก' + 162: 30, # 'ข' + 163: 237, # 'ฃ' + 164: 24, # 'ค' + 165: 238, # 'ฅ' + 166: 75, # 'ฆ' + 167: 8, # 'ง' + 168: 26, # 'จ' + 169: 52, # 'ฉ' + 170: 34, # 'ช' + 171: 51, # 'ซ' + 172: 119, # 'ฌ' + 173: 47, # 'ญ' + 174: 58, # 'ฎ' + 175: 57, # 'ฏ' + 176: 49, # 'ฐ' + 177: 53, # 'ฑ' + 178: 55, # 'ฒ' + 179: 43, # 'ณ' + 180: 20, # 'ด' + 181: 19, # 'ต' + 182: 44, # 'ถ' + 183: 14, # 'ท' + 184: 48, # 'ธ' + 185: 3, # 'น' + 186: 17, # 'บ' + 187: 25, # 'ป' + 188: 39, # 'ผ' + 189: 62, # 'ฝ' + 190: 31, # 'พ' + 191: 54, # 'ฟ' + 192: 45, # 'ภ' + 193: 9, # 'ม' + 194: 16, # 'ย' + 195: 2, # 'ร' + 196: 61, # 'ฤ' + 197: 15, # 'ล' + 198: 239, # 'ฦ' + 199: 12, # 'ว' + 200: 42, # 'ศ' + 201: 46, # 'ษ' + 202: 18, # 'ส' + 203: 21, # 'ห' + 204: 76, # 'ฬ' + 205: 4, # 'อ' + 206: 66, # 'ฮ' + 207: 63, # 'ฯ' + 208: 22, # 'ะ' + 209: 10, # 'ั' + 210: 1, # 'า' + 211: 36, # 'ำ' + 212: 23, # 'ิ' + 213: 13, # 'ี' + 214: 40, # 'ึ' + 215: 27, # 'ื' + 216: 32, # 'ุ' + 217: 35, # 'ู' + 218: 86, # 'ฺ' + 219: 240, # None + 220: 241, # None + 221: 242, # None + 222: 243, # None + 223: 244, # '฿' + 224: 11, # 'เ' + 225: 28, # 'แ' + 226: 41, # 'โ' + 227: 29, # 'ใ' + 228: 33, # 'ไ' + 229: 245, # 'ๅ' + 230: 50, # 'ๆ' + 231: 37, # '็' + 232: 6, # '่' + 233: 7, # '้' + 234: 67, # '๊' + 235: 77, # '๋' + 236: 38, # '์' + 237: 93, # 'ํ' + 238: 246, # '๎' + 239: 247, # '๏' + 240: 68, # '๐' + 241: 56, # '๑' + 242: 59, # '๒' + 243: 65, # '๓' + 244: 69, # '๔' + 245: 60, # '๕' + 246: 70, # '๖' + 247: 80, # '๗' + 248: 71, # '๘' + 249: 87, # '๙' + 250: 248, # '๚' + 251: 249, # '๛' + 252: 250, # None + 253: 251, # None + 254: 252, # None + 255: 253, # None +} + +TIS_620_THAI_MODEL = SingleByteCharSetModel(charset_name='TIS-620', + language='Thai', + char_to_order_map=TIS_620_THAI_CHAR_TO_ORDER, + language_model=THAI_LANG_MODEL, + typical_positive_ratio=0.926386, + keep_ascii_letters=False, + alphabet='กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/langturkishmodel.py b/backend/mb-env/lib/python3.9/site-packages/chardet/langturkishmodel.py new file mode 100644 index 0000000..8ba9322 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/langturkishmodel.py @@ -0,0 +1,4383 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +from chardet.sbcharsetprober import SingleByteCharSetModel + + +# 3: Positive +# 2: Likely +# 1: Unlikely +# 0: Negative + +TURKISH_LANG_MODEL = { + 23: { # 'A' + 23: 0, # 'A' + 37: 0, # 'B' + 47: 0, # 'C' + 39: 0, # 'D' + 29: 0, # 'E' + 52: 0, # 'F' + 36: 0, # 'G' + 45: 0, # 'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 0, # 'K' + 49: 0, # 'L' + 20: 0, # 'M' + 46: 0, # 'N' + 42: 0, # 'O' + 48: 0, # 'P' + 44: 0, # 'R' + 35: 0, # 'S' + 31: 0, # 'T' + 51: 0, # 'U' + 38: 0, # 'V' + 62: 0, # 'W' + 43: 0, # 'Y' + 56: 0, # 'Z' + 1: 3, # 'a' + 21: 0, # 'b' + 28: 0, # 'c' + 12: 2, # 'd' + 2: 3, # 'e' + 18: 0, # 'f' + 27: 1, # 'g' + 25: 1, # 'h' + 3: 1, # 'i' + 24: 0, # 'j' + 10: 2, # 'k' + 5: 1, # 'l' + 13: 1, # 'm' + 4: 1, # 'n' + 15: 0, # 'o' + 26: 0, # 'p' + 7: 1, # 'r' + 8: 1, # 's' + 9: 1, # 't' + 14: 1, # 'u' + 32: 0, # 'v' + 57: 0, # 'w' + 58: 0, # 'x' + 11: 3, # 'y' + 22: 0, # 'z' + 63: 0, # '·' + 54: 0, # 'Ç' + 50: 0, # 'Ö' + 55: 0, # 'Ü' + 59: 0, # 'â' + 33: 1, # 'ç' + 61: 0, # 'î' + 34: 0, # 'ö' + 17: 0, # 'ü' + 30: 0, # 'ğ' + 41: 0, # 'İ' + 6: 0, # 'ı' + 40: 0, # 'Ş' + 19: 0, # 'ş' + }, + 37: { # 'B' + 23: 0, # 'A' + 37: 0, # 'B' + 47: 2, # 'C' + 39: 0, # 'D' + 29: 0, # 'E' + 52: 2, # 'F' + 36: 0, # 'G' + 45: 0, # 'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 1, # 'K' + 49: 0, # 'L' + 20: 0, # 'M' + 46: 0, # 'N' + 42: 0, # 'O' + 48: 1, # 'P' + 44: 0, # 'R' + 35: 1, # 'S' + 31: 0, # 'T' + 51: 0, # 'U' + 38: 1, # 'V' + 62: 0, # 'W' + 43: 1, # 'Y' + 56: 0, # 'Z' + 1: 2, # 'a' + 21: 0, # 'b' + 28: 2, # 'c' + 12: 0, # 'd' + 2: 3, # 'e' + 18: 0, # 'f' + 27: 0, # 'g' + 25: 0, # 'h' + 3: 0, # 'i' + 24: 0, # 'j' + 10: 0, # 'k' + 5: 0, # 'l' + 13: 1, # 'm' + 4: 1, # 'n' + 15: 0, # 'o' + 26: 0, # 'p' + 7: 0, # 'r' + 8: 0, # 's' + 9: 0, # 't' + 14: 2, # 'u' + 32: 0, # 'v' + 57: 0, # 'w' + 58: 0, # 'x' + 11: 0, # 'y' + 22: 1, # 'z' + 63: 0, # '·' + 54: 0, # 'Ç' + 50: 1, # 'Ö' + 55: 0, # 'Ü' + 59: 0, # 'â' + 33: 0, # 'ç' + 61: 0, # 'î' + 34: 1, # 'ö' + 17: 0, # 'ü' + 30: 0, # 'ğ' + 41: 0, # 'İ' + 6: 0, # 'ı' + 40: 1, # 'Ş' + 19: 1, # 'ş' + }, + 47: { # 'C' + 23: 0, # 'A' + 37: 0, # 'B' + 47: 0, # 'C' + 39: 0, # 'D' + 29: 0, # 'E' + 52: 1, # 'F' + 36: 0, # 'G' + 45: 0, # 'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 0, # 'K' + 49: 1, # 'L' + 20: 0, # 'M' + 46: 1, # 'N' + 42: 0, # 'O' + 48: 1, # 'P' + 44: 1, # 'R' + 35: 0, # 'S' + 31: 0, # 'T' + 51: 0, # 'U' + 38: 1, # 'V' + 62: 0, # 'W' + 43: 1, # 'Y' + 56: 0, # 'Z' + 1: 3, # 'a' + 21: 0, # 'b' + 28: 2, # 'c' + 12: 0, # 'd' + 2: 3, # 'e' + 18: 0, # 'f' + 27: 0, # 'g' + 25: 0, # 'h' + 3: 0, # 'i' + 24: 2, # 'j' + 10: 1, # 'k' + 5: 2, # 'l' + 13: 2, # 'm' + 4: 2, # 'n' + 15: 1, # 'o' + 26: 0, # 'p' + 7: 2, # 'r' + 8: 0, # 's' + 9: 0, # 't' + 14: 3, # 'u' + 32: 0, # 'v' + 57: 0, # 'w' + 58: 0, # 'x' + 11: 0, # 'y' + 22: 2, # 'z' + 63: 0, # '·' + 54: 0, # 'Ç' + 50: 1, # 'Ö' + 55: 0, # 'Ü' + 59: 0, # 'â' + 33: 1, # 'ç' + 61: 0, # 'î' + 34: 1, # 'ö' + 17: 0, # 'ü' + 30: 0, # 'ğ' + 41: 1, # 'İ' + 6: 3, # 'ı' + 40: 0, # 'Ş' + 19: 0, # 'ş' + }, + 39: { # 'D' + 23: 0, # 'A' + 37: 0, # 'B' + 47: 0, # 'C' + 39: 0, # 'D' + 29: 0, # 'E' + 52: 1, # 'F' + 36: 0, # 'G' + 45: 0, # 'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 1, # 'K' + 49: 0, # 'L' + 20: 0, # 'M' + 46: 0, # 'N' + 42: 0, # 'O' + 48: 1, # 'P' + 44: 0, # 'R' + 35: 0, # 'S' + 31: 0, # 'T' + 51: 0, # 'U' + 38: 0, # 'V' + 62: 0, # 'W' + 43: 0, # 'Y' + 56: 0, # 'Z' + 1: 2, # 'a' + 21: 0, # 'b' + 28: 2, # 'c' + 12: 0, # 'd' + 2: 2, # 'e' + 18: 0, # 'f' + 27: 0, # 'g' + 25: 0, # 'h' + 3: 0, # 'i' + 24: 0, # 'j' + 10: 0, # 'k' + 5: 1, # 'l' + 13: 3, # 'm' + 4: 0, # 'n' + 15: 1, # 'o' + 26: 0, # 'p' + 7: 0, # 'r' + 8: 0, # 's' + 9: 0, # 't' + 14: 1, # 'u' + 32: 0, # 'v' + 57: 0, # 'w' + 58: 0, # 'x' + 11: 0, # 'y' + 22: 1, # 'z' + 63: 0, # '·' + 54: 1, # 'Ç' + 50: 0, # 'Ö' + 55: 0, # 'Ü' + 59: 0, # 'â' + 33: 1, # 'ç' + 61: 0, # 'î' + 34: 0, # 'ö' + 17: 0, # 'ü' + 30: 1, # 'ğ' + 41: 0, # 'İ' + 6: 1, # 'ı' + 40: 1, # 'Ş' + 19: 0, # 'ş' + }, + 29: { # 'E' + 23: 0, # 'A' + 37: 0, # 'B' + 47: 0, # 'C' + 39: 0, # 'D' + 29: 1, # 'E' + 52: 0, # 'F' + 36: 0, # 'G' + 45: 0, # 'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 3, # 'K' + 49: 0, # 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'H' + 53: 0, # 'I' + 60: 0, # 'J' + 16: 3, # 'K' + 49: 2, # 'L' + 20: 0, # 'M' + 46: 1, # 'N' + 42: 1, # 'O' + 48: 1, # 'P' + 44: 1, # 'R' + 35: 1, # 'S' + 31: 0, # 'T' + 51: 1, # 'U' + 38: 1, # 'V' + 62: 0, # 'W' + 43: 1, # 'Y' + 56: 0, # 'Z' + 1: 3, # 'a' + 21: 1, # 'b' + 28: 2, # 'c' + 12: 0, # 'd' + 2: 3, # 'e' + 18: 0, # 'f' + 27: 2, # 'g' + 25: 1, # 'h' + 3: 1, # 'i' + 24: 0, # 'j' + 10: 2, # 'k' + 5: 2, # 'l' + 13: 3, # 'm' + 4: 0, # 'n' + 15: 0, # 'o' + 26: 1, # 'p' + 7: 3, # 'r' + 8: 0, # 's' + 9: 0, # 't' + 14: 3, # 'u' + 32: 0, # 'v' + 57: 0, # 'w' + 58: 0, # 'x' + 11: 0, # 'y' + 22: 2, # 'z' + 63: 0, # '·' + 54: 1, # 'Ç' + 50: 2, # 'Ö' + 55: 0, # 'Ü' + 59: 0, # 'â' + 33: 1, # 'ç' + 61: 1, # 'î' + 34: 2, # 'ö' + 17: 0, # 'ü' + 30: 1, # 'ğ' + 41: 1, # 'İ' + 6: 1, # 'ı' + 40: 1, # 'Ş' + 19: 1, # 'ş' + }, +} + +# 255: Undefined characters that did not exist in training text +# 254: Carriage/Return +# 253: symbol (punctuation) that does not belong to word +# 252: 0 - 9 +# 251: Control characters + +# Character Mapping Table(s): +ISO_8859_9_TURKISH_CHAR_TO_ORDER = { + 0: 255, # '\x00' + 1: 255, # '\x01' + 2: 255, # '\x02' + 3: 255, # '\x03' + 4: 255, # '\x04' + 5: 255, # '\x05' + 6: 255, # '\x06' + 7: 255, # '\x07' + 8: 255, # '\x08' + 9: 255, # '\t' + 10: 255, # '\n' + 11: 255, # '\x0b' + 12: 255, # '\x0c' + 13: 255, # '\r' + 14: 255, # '\x0e' + 15: 255, # '\x0f' + 16: 255, # '\x10' + 17: 255, # '\x11' + 18: 255, # '\x12' + 19: 255, # '\x13' + 20: 255, # '\x14' + 21: 255, # '\x15' + 22: 255, # '\x16' + 23: 255, # '\x17' + 24: 255, # '\x18' + 25: 255, # '\x19' + 26: 255, # '\x1a' + 27: 255, # '\x1b' + 28: 255, # '\x1c' + 29: 255, # '\x1d' + 30: 255, # '\x1e' + 31: 255, # '\x1f' + 32: 255, # ' ' + 33: 255, # '!' + 34: 255, # '"' + 35: 255, # '#' + 36: 255, # '$' + 37: 255, # '%' + 38: 255, # '&' + 39: 255, # "'" + 40: 255, # '(' + 41: 255, # ')' + 42: 255, # '*' + 43: 255, # '+' + 44: 255, # ',' + 45: 255, # '-' + 46: 255, # '.' + 47: 255, # '/' + 48: 255, # '0' + 49: 255, # '1' + 50: 255, # '2' + 51: 255, # '3' + 52: 255, # '4' + 53: 255, # '5' + 54: 255, # '6' + 55: 255, # '7' + 56: 255, # '8' + 57: 255, # '9' + 58: 255, # ':' + 59: 255, # ';' + 60: 255, # '<' + 61: 255, # '=' + 62: 255, # '>' + 63: 255, # '?' + 64: 255, # '@' + 65: 23, # 'A' + 66: 37, # 'B' + 67: 47, # 'C' + 68: 39, # 'D' + 69: 29, # 'E' + 70: 52, # 'F' + 71: 36, # 'G' + 72: 45, # 'H' + 73: 53, # 'I' + 74: 60, # 'J' + 75: 16, # 'K' + 76: 49, # 'L' + 77: 20, # 'M' + 78: 46, # 'N' + 79: 42, # 'O' + 80: 48, # 'P' + 81: 69, # 'Q' + 82: 44, # 'R' + 83: 35, # 'S' + 84: 31, # 'T' + 85: 51, # 'U' + 86: 38, # 'V' + 87: 62, # 'W' + 88: 65, # 'X' + 89: 43, # 'Y' + 90: 56, # 'Z' + 91: 255, # '[' + 92: 255, # '\\' + 93: 255, # ']' + 94: 255, # '^' + 95: 255, # '_' + 96: 255, # '`' + 97: 1, # 'a' + 98: 21, # 'b' + 99: 28, # 'c' + 100: 12, # 'd' + 101: 2, # 'e' + 102: 18, # 'f' + 103: 27, # 'g' + 104: 25, # 'h' + 105: 3, # 'i' + 106: 24, # 'j' + 107: 10, # 'k' + 108: 5, # 'l' + 109: 13, # 'm' + 110: 4, # 'n' + 111: 15, # 'o' + 112: 26, # 'p' + 113: 64, # 'q' + 114: 7, # 'r' + 115: 8, # 's' + 116: 9, # 't' + 117: 14, # 'u' + 118: 32, # 'v' + 119: 57, # 'w' + 120: 58, # 'x' + 121: 11, # 'y' + 122: 22, # 'z' + 123: 255, # '{' + 124: 255, # '|' + 125: 255, # '}' + 126: 255, # '~' + 127: 255, # '\x7f' + 128: 180, # '\x80' + 129: 179, # '\x81' + 130: 178, # '\x82' + 131: 177, # '\x83' + 132: 176, # '\x84' + 133: 175, # '\x85' + 134: 174, # '\x86' + 135: 173, # '\x87' + 136: 172, # '\x88' + 137: 171, # '\x89' + 138: 170, # '\x8a' + 139: 169, # '\x8b' + 140: 168, # '\x8c' + 141: 167, # '\x8d' + 142: 166, # '\x8e' + 143: 165, # '\x8f' + 144: 164, # '\x90' + 145: 163, # '\x91' + 146: 162, # '\x92' + 147: 161, # '\x93' + 148: 160, # '\x94' + 149: 159, # '\x95' + 150: 101, # '\x96' + 151: 158, # '\x97' + 152: 157, # '\x98' + 153: 156, # '\x99' + 154: 155, # '\x9a' + 155: 154, # '\x9b' + 156: 153, # '\x9c' + 157: 152, # '\x9d' + 158: 151, # '\x9e' + 159: 106, # '\x9f' + 160: 150, # '\xa0' + 161: 149, # '¡' + 162: 148, # '¢' + 163: 147, # '£' + 164: 146, # '¤' + 165: 145, # '¥' + 166: 144, # '¦' + 167: 100, # '§' + 168: 143, # '¨' + 169: 142, # '©' + 170: 141, # 'ª' + 171: 140, # '«' + 172: 139, # '¬' + 173: 138, # '\xad' + 174: 137, # '®' + 175: 136, # '¯' + 176: 94, # '°' + 177: 80, # '±' + 178: 93, # '²' + 179: 135, # '³' + 180: 105, # '´' + 181: 134, # 'µ' + 182: 133, # '¶' + 183: 63, # '·' + 184: 132, # '¸' + 185: 131, # '¹' + 186: 130, # 'º' + 187: 129, # '»' + 188: 128, # '¼' + 189: 127, # '½' + 190: 126, # '¾' + 191: 125, # '¿' + 192: 124, # 'À' + 193: 104, # 'Á' + 194: 73, # 'Â' + 195: 99, # 'Ã' + 196: 79, # 'Ä' + 197: 85, # 'Å' + 198: 123, # 'Æ' + 199: 54, # 'Ç' + 200: 122, # 'È' + 201: 98, # 'É' + 202: 92, # 'Ê' + 203: 121, # 'Ë' + 204: 120, # 'Ì' + 205: 91, # 'Í' + 206: 103, # 'Î' + 207: 119, # 'Ï' + 208: 68, # 'Ğ' + 209: 118, # 'Ñ' + 210: 117, # 'Ò' + 211: 97, # 'Ó' + 212: 116, # 'Ô' + 213: 115, # 'Õ' + 214: 50, # 'Ö' + 215: 90, # '×' + 216: 114, # 'Ø' + 217: 113, # 'Ù' + 218: 112, # 'Ú' + 219: 111, # 'Û' + 220: 55, # 'Ü' + 221: 41, # 'İ' + 222: 40, # 'Ş' + 223: 86, # 'ß' + 224: 89, # 'à' + 225: 70, # 'á' + 226: 59, # 'â' + 227: 78, # 'ã' + 228: 71, # 'ä' + 229: 82, # 'å' + 230: 88, # 'æ' + 231: 33, # 'ç' + 232: 77, # 'è' + 233: 66, # 'é' + 234: 84, # 'ê' + 235: 83, # 'ë' + 236: 110, # 'ì' + 237: 75, # 'í' + 238: 61, # 'î' + 239: 96, # 'ï' + 240: 30, # 'ğ' + 241: 67, # 'ñ' + 242: 109, # 'ò' + 243: 74, # 'ó' + 244: 87, # 'ô' + 245: 102, # 'õ' + 246: 34, # 'ö' + 247: 95, # '÷' + 248: 81, # 'ø' + 249: 108, # 'ù' + 250: 76, # 'ú' + 251: 72, # 'û' + 252: 17, # 'ü' + 253: 6, # 'ı' + 254: 19, # 'ş' + 255: 107, # 'ÿ' +} + +ISO_8859_9_TURKISH_MODEL = SingleByteCharSetModel(charset_name='ISO-8859-9', + language='Turkish', + char_to_order_map=ISO_8859_9_TURKISH_CHAR_TO_ORDER, + language_model=TURKISH_LANG_MODEL, + typical_positive_ratio=0.97029, + keep_ascii_letters=True, + alphabet='ABCDEFGHIJKLMNOPRSTUVYZabcdefghijklmnoprstuvyzÂÇÎÖÛÜâçîöûüĞğİıŞş') + diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/latin1prober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/latin1prober.py new file mode 100644 index 0000000..7d1e8c2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/latin1prober.py @@ -0,0 +1,145 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState + +FREQ_CAT_NUM = 4 + +UDF = 0 # undefined +OTH = 1 # other +ASC = 2 # ascii capital letter +ASS = 3 # ascii small letter +ACV = 4 # accent capital vowel +ACO = 5 # accent capital other +ASV = 6 # accent small vowel +ASO = 7 # accent small other +CLASS_NUM = 8 # total classes + +Latin1_CharToClass = ( + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 00 - 07 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 08 - 0F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 10 - 17 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 18 - 1F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 20 - 27 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 28 - 2F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 30 - 37 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 38 - 3F + OTH, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 40 - 47 + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 48 - 4F + ASC, ASC, ASC, ASC, ASC, ASC, ASC, ASC, # 50 - 57 + ASC, ASC, ASC, OTH, OTH, OTH, OTH, OTH, # 58 - 5F + OTH, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 60 - 67 + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 68 - 6F + ASS, ASS, ASS, ASS, ASS, ASS, ASS, ASS, # 70 - 77 + ASS, ASS, ASS, OTH, OTH, OTH, OTH, OTH, # 78 - 7F + OTH, UDF, OTH, ASO, OTH, OTH, OTH, OTH, # 80 - 87 + OTH, OTH, ACO, OTH, ACO, UDF, ACO, UDF, # 88 - 8F + UDF, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # 90 - 97 + OTH, OTH, ASO, OTH, ASO, UDF, ASO, ACO, # 98 - 9F + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A0 - A7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # A8 - AF + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B0 - B7 + OTH, OTH, OTH, OTH, OTH, OTH, OTH, OTH, # B8 - BF + ACV, ACV, ACV, ACV, ACV, ACV, ACO, ACO, # C0 - C7 + ACV, ACV, ACV, ACV, ACV, ACV, ACV, ACV, # C8 - CF + ACO, ACO, ACV, ACV, ACV, ACV, ACV, OTH, # D0 - D7 + ACV, ACV, ACV, ACV, ACV, ACO, ACO, ACO, # D8 - DF + ASV, ASV, ASV, ASV, ASV, ASV, ASO, ASO, # E0 - E7 + ASV, ASV, ASV, ASV, ASV, ASV, ASV, ASV, # E8 - EF + ASO, ASO, ASV, ASV, ASV, ASV, ASV, OTH, # F0 - F7 + ASV, ASV, ASV, ASV, ASV, ASO, ASO, ASO, # F8 - FF +) + +# 0 : illegal +# 1 : very unlikely +# 2 : normal +# 3 : very likely +Latin1ClassModel = ( +# UDF OTH ASC ASS ACV ACO ASV ASO + 0, 0, 0, 0, 0, 0, 0, 0, # UDF + 0, 3, 3, 3, 3, 3, 3, 3, # OTH + 0, 3, 3, 3, 3, 3, 3, 3, # ASC + 0, 3, 3, 3, 1, 1, 3, 3, # ASS + 0, 3, 3, 3, 1, 2, 1, 2, # ACV + 0, 3, 3, 3, 3, 3, 3, 3, # ACO + 0, 3, 1, 3, 1, 1, 1, 3, # ASV + 0, 3, 1, 3, 1, 1, 3, 3, # ASO +) + + +class Latin1Prober(CharSetProber): + def __init__(self): + super(Latin1Prober, self).__init__() + self._last_char_class = None + self._freq_counter = None + self.reset() + + def reset(self): + self._last_char_class = OTH + self._freq_counter = [0] * FREQ_CAT_NUM + CharSetProber.reset(self) + + @property + def charset_name(self): + return "ISO-8859-1" + + @property + def language(self): + return "" + + def feed(self, byte_str): + byte_str = self.filter_with_english_letters(byte_str) + for c in byte_str: + char_class = Latin1_CharToClass[c] + freq = Latin1ClassModel[(self._last_char_class * CLASS_NUM) + + char_class] + if freq == 0: + self._state = ProbingState.NOT_ME + break + self._freq_counter[freq] += 1 + self._last_char_class = char_class + + return self.state + + def get_confidence(self): + if self.state == ProbingState.NOT_ME: + return 0.01 + + total = sum(self._freq_counter) + if total < 0.01: + confidence = 0.0 + else: + confidence = ((self._freq_counter[3] - self._freq_counter[1] * 20.0) + / total) + if confidence < 0.0: + confidence = 0.0 + # lower the confidence of latin1 so that other more accurate + # detector can take priority. + confidence = confidence * 0.73 + return confidence diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/mbcharsetprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcharsetprober.py new file mode 100644 index 0000000..6256ecf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcharsetprober.py @@ -0,0 +1,91 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState + + +class MultiByteCharSetProber(CharSetProber): + """ + MultiByteCharSetProber + """ + + def __init__(self, lang_filter=None): + super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter) + self.distribution_analyzer = None + self.coding_sm = None + self._last_char = [0, 0] + + def reset(self): + super(MultiByteCharSetProber, self).reset() + if self.coding_sm: + self.coding_sm.reset() + if self.distribution_analyzer: + self.distribution_analyzer.reset() + self._last_char = [0, 0] + + @property + def charset_name(self): + raise NotImplementedError + + @property + def language(self): + raise NotImplementedError + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.distribution_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + return self.distribution_analyzer.get_confidence() diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/mbcsgroupprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcsgroupprober.py new file mode 100644 index 0000000..530abe7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcsgroupprober.py @@ -0,0 +1,54 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# Proofpoint, Inc. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .utf8prober import UTF8Prober +from .sjisprober import SJISProber +from .eucjpprober import EUCJPProber +from .gb2312prober import GB2312Prober +from .euckrprober import EUCKRProber +from .cp949prober import CP949Prober +from .big5prober import Big5Prober +from .euctwprober import EUCTWProber + + +class MBCSGroupProber(CharSetGroupProber): + def __init__(self, lang_filter=None): + super(MBCSGroupProber, self).__init__(lang_filter=lang_filter) + self.probers = [ + UTF8Prober(), + SJISProber(), + EUCJPProber(), + GB2312Prober(), + EUCKRProber(), + CP949Prober(), + Big5Prober(), + EUCTWProber() + ] + self.reset() diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/mbcssm.py b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcssm.py new file mode 100644 index 0000000..8360d0f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/mbcssm.py @@ -0,0 +1,572 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .enums import MachineState + +# BIG5 + +BIG5_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 4,4,4,4,4,4,4,4, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 4,3,3,3,3,3,3,3, # a0 - a7 + 3,3,3,3,3,3,3,3, # a8 - af + 3,3,3,3,3,3,3,3, # b0 - b7 + 3,3,3,3,3,3,3,3, # b8 - bf + 3,3,3,3,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +BIG5_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,#08-0f + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START#10-17 +) + +BIG5_CHAR_LEN_TABLE = (0, 1, 1, 2, 0) + +BIG5_SM_MODEL = {'class_table': BIG5_CLS, + 'class_factor': 5, + 'state_table': BIG5_ST, + 'char_len_table': BIG5_CHAR_LEN_TABLE, + 'name': 'Big5'} + +# CP949 + +CP949_CLS = ( + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,0,0, # 00 - 0f + 1,1,1,1,1,1,1,1, 1,1,1,0,1,1,1,1, # 10 - 1f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 20 - 2f + 1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1, # 30 - 3f + 1,4,4,4,4,4,4,4, 4,4,4,4,4,4,4,4, # 40 - 4f + 4,4,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 50 - 5f + 1,5,5,5,5,5,5,5, 5,5,5,5,5,5,5,5, # 60 - 6f + 5,5,5,5,5,5,5,5, 5,5,5,1,1,1,1,1, # 70 - 7f + 0,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 80 - 8f + 6,6,6,6,6,6,6,6, 6,6,6,6,6,6,6,6, # 90 - 9f + 6,7,7,7,7,7,7,7, 7,7,7,7,7,8,8,8, # a0 - af + 7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7, # b0 - bf + 7,7,7,7,7,7,9,2, 2,3,2,2,2,2,2,2, # c0 - cf + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # d0 - df + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2, # e0 - ef + 2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,0, # f0 - ff +) + +CP949_ST = ( +#cls= 0 1 2 3 4 5 6 7 8 9 # previous state = + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.START,MachineState.START, 4, 5,MachineState.ERROR, 6, # MachineState.START + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, # MachineState.ERROR + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME, # MachineState.ITS_ME + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 3 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 4 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, # 5 + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START, # 6 +) + +CP949_CHAR_LEN_TABLE = (0, 1, 2, 0, 1, 1, 2, 2, 0, 2) + +CP949_SM_MODEL = {'class_table': CP949_CLS, + 'class_factor': 10, + 'state_table': CP949_ST, + 'char_len_table': CP949_CHAR_LEN_TABLE, + 'name': 'CP949'} + +# EUC-JP + +EUCJP_CLS = ( + 4,4,4,4,4,4,4,4, # 00 - 07 + 4,4,4,4,4,4,5,5, # 08 - 0f + 4,4,4,4,4,4,4,4, # 10 - 17 + 4,4,4,5,4,4,4,4, # 18 - 1f + 4,4,4,4,4,4,4,4, # 20 - 27 + 4,4,4,4,4,4,4,4, # 28 - 2f + 4,4,4,4,4,4,4,4, # 30 - 37 + 4,4,4,4,4,4,4,4, # 38 - 3f + 4,4,4,4,4,4,4,4, # 40 - 47 + 4,4,4,4,4,4,4,4, # 48 - 4f + 4,4,4,4,4,4,4,4, # 50 - 57 + 4,4,4,4,4,4,4,4, # 58 - 5f + 4,4,4,4,4,4,4,4, # 60 - 67 + 4,4,4,4,4,4,4,4, # 68 - 6f + 4,4,4,4,4,4,4,4, # 70 - 77 + 4,4,4,4,4,4,4,4, # 78 - 7f + 5,5,5,5,5,5,5,5, # 80 - 87 + 5,5,5,5,5,5,1,3, # 88 - 8f + 5,5,5,5,5,5,5,5, # 90 - 97 + 5,5,5,5,5,5,5,5, # 98 - 9f + 5,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,0,5 # f8 - ff +) + +EUCJP_ST = ( + 3, 4, 3, 5,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 3,MachineState.ERROR,#18-1f + 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START#20-27 +) + +EUCJP_CHAR_LEN_TABLE = (2, 2, 2, 3, 1, 0) + +EUCJP_SM_MODEL = {'class_table': EUCJP_CLS, + 'class_factor': 6, + 'state_table': EUCJP_ST, + 'char_len_table': EUCJP_CHAR_LEN_TABLE, + 'name': 'EUC-JP'} + +# EUC-KR + +EUCKR_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,3,3,3, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,3,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 2,2,2,2,2,2,2,2, # e0 - e7 + 2,2,2,2,2,2,2,2, # e8 - ef + 2,2,2,2,2,2,2,2, # f0 - f7 + 2,2,2,2,2,2,2,0 # f8 - ff +) + +EUCKR_ST = ( + MachineState.ERROR,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #08-0f +) + +EUCKR_CHAR_LEN_TABLE = (0, 1, 2, 0) + +EUCKR_SM_MODEL = {'class_table': EUCKR_CLS, + 'class_factor': 4, + 'state_table': EUCKR_ST, + 'char_len_table': EUCKR_CHAR_LEN_TABLE, + 'name': 'EUC-KR'} + +# EUC-TW + +EUCTW_CLS = ( + 2,2,2,2,2,2,2,2, # 00 - 07 + 2,2,2,2,2,2,0,0, # 08 - 0f + 2,2,2,2,2,2,2,2, # 10 - 17 + 2,2,2,0,2,2,2,2, # 18 - 1f + 2,2,2,2,2,2,2,2, # 20 - 27 + 2,2,2,2,2,2,2,2, # 28 - 2f + 2,2,2,2,2,2,2,2, # 30 - 37 + 2,2,2,2,2,2,2,2, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,2, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,6,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,3,4,4,4,4,4,4, # a0 - a7 + 5,5,1,1,1,1,1,1, # a8 - af + 1,1,1,1,1,1,1,1, # b0 - b7 + 1,1,1,1,1,1,1,1, # b8 - bf + 1,1,3,1,3,3,3,3, # c0 - c7 + 3,3,3,3,3,3,3,3, # c8 - cf + 3,3,3,3,3,3,3,3, # d0 - d7 + 3,3,3,3,3,3,3,3, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,3,3,3, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,3,3,0 # f8 - ff +) + +EUCTW_ST = ( + MachineState.ERROR,MachineState.ERROR,MachineState.START, 3, 3, 3, 4,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.START,MachineState.ERROR,#10-17 + MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,#20-27 + MachineState.START,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +EUCTW_CHAR_LEN_TABLE = (0, 0, 1, 2, 2, 2, 3) + +EUCTW_SM_MODEL = {'class_table': EUCTW_CLS, + 'class_factor': 7, + 'state_table': EUCTW_ST, + 'char_len_table': EUCTW_CHAR_LEN_TABLE, + 'name': 'x-euc-tw'} + +# GB2312 + +GB2312_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 3,3,3,3,3,3,3,3, # 30 - 37 + 3,3,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,4, # 78 - 7f + 5,6,6,6,6,6,6,6, # 80 - 87 + 6,6,6,6,6,6,6,6, # 88 - 8f + 6,6,6,6,6,6,6,6, # 90 - 97 + 6,6,6,6,6,6,6,6, # 98 - 9f + 6,6,6,6,6,6,6,6, # a0 - a7 + 6,6,6,6,6,6,6,6, # a8 - af + 6,6,6,6,6,6,6,6, # b0 - b7 + 6,6,6,6,6,6,6,6, # b8 - bf + 6,6,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 6,6,6,6,6,6,6,6, # e0 - e7 + 6,6,6,6,6,6,6,6, # e8 - ef + 6,6,6,6,6,6,6,6, # f0 - f7 + 6,6,6,6,6,6,6,0 # f8 - ff +) + +GB2312_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START, 3,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,#10-17 + 4,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ERROR,MachineState.ERROR, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#20-27 + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.START #28-2f +) + +# To be accurate, the length of class 6 can be either 2 or 4. +# But it is not necessary to discriminate between the two since +# it is used for frequency analysis only, and we are validating +# each code range there as well. So it is safe to set it to be +# 2 here. +GB2312_CHAR_LEN_TABLE = (0, 1, 1, 1, 1, 1, 2) + +GB2312_SM_MODEL = {'class_table': GB2312_CLS, + 'class_factor': 7, + 'state_table': GB2312_ST, + 'char_len_table': GB2312_CHAR_LEN_TABLE, + 'name': 'GB2312'} + +# Shift_JIS + +SJIS_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 2,2,2,2,2,2,2,2, # 40 - 47 + 2,2,2,2,2,2,2,2, # 48 - 4f + 2,2,2,2,2,2,2,2, # 50 - 57 + 2,2,2,2,2,2,2,2, # 58 - 5f + 2,2,2,2,2,2,2,2, # 60 - 67 + 2,2,2,2,2,2,2,2, # 68 - 6f + 2,2,2,2,2,2,2,2, # 70 - 77 + 2,2,2,2,2,2,2,1, # 78 - 7f + 3,3,3,3,3,2,2,3, # 80 - 87 + 3,3,3,3,3,3,3,3, # 88 - 8f + 3,3,3,3,3,3,3,3, # 90 - 97 + 3,3,3,3,3,3,3,3, # 98 - 9f + #0xa0 is illegal in sjis encoding, but some pages does + #contain such byte. We need to be more error forgiven. + 2,2,2,2,2,2,2,2, # a0 - a7 + 2,2,2,2,2,2,2,2, # a8 - af + 2,2,2,2,2,2,2,2, # b0 - b7 + 2,2,2,2,2,2,2,2, # b8 - bf + 2,2,2,2,2,2,2,2, # c0 - c7 + 2,2,2,2,2,2,2,2, # c8 - cf + 2,2,2,2,2,2,2,2, # d0 - d7 + 2,2,2,2,2,2,2,2, # d8 - df + 3,3,3,3,3,3,3,3, # e0 - e7 + 3,3,3,3,3,4,4,4, # e8 - ef + 3,3,3,3,3,3,3,3, # f0 - f7 + 3,3,3,3,3,0,0,0) # f8 - ff + + +SJIS_ST = ( + MachineState.ERROR,MachineState.START,MachineState.START, 3,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START #10-17 +) + +SJIS_CHAR_LEN_TABLE = (0, 1, 1, 2, 0, 0) + +SJIS_SM_MODEL = {'class_table': SJIS_CLS, + 'class_factor': 6, + 'state_table': SJIS_ST, + 'char_len_table': SJIS_CHAR_LEN_TABLE, + 'name': 'Shift_JIS'} + +# UCS2-BE + +UCS2BE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2BE_ST = ( + 5, 7, 7,MachineState.ERROR, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,#10-17 + 6, 6, 6, 6, 6,MachineState.ITS_ME, 6, 6,#18-1f + 6, 6, 6, 6, 5, 7, 7,MachineState.ERROR,#20-27 + 5, 8, 6, 6,MachineState.ERROR, 6, 6, 6,#28-2f + 6, 6, 6, 6,MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2BE_CHAR_LEN_TABLE = (2, 2, 2, 0, 2, 2) + +UCS2BE_SM_MODEL = {'class_table': UCS2BE_CLS, + 'class_factor': 6, + 'state_table': UCS2BE_ST, + 'char_len_table': UCS2BE_CHAR_LEN_TABLE, + 'name': 'UTF-16BE'} + +# UCS2-LE + +UCS2LE_CLS = ( + 0,0,0,0,0,0,0,0, # 00 - 07 + 0,0,1,0,0,2,0,0, # 08 - 0f + 0,0,0,0,0,0,0,0, # 10 - 17 + 0,0,0,3,0,0,0,0, # 18 - 1f + 0,0,0,0,0,0,0,0, # 20 - 27 + 0,3,3,3,3,3,0,0, # 28 - 2f + 0,0,0,0,0,0,0,0, # 30 - 37 + 0,0,0,0,0,0,0,0, # 38 - 3f + 0,0,0,0,0,0,0,0, # 40 - 47 + 0,0,0,0,0,0,0,0, # 48 - 4f + 0,0,0,0,0,0,0,0, # 50 - 57 + 0,0,0,0,0,0,0,0, # 58 - 5f + 0,0,0,0,0,0,0,0, # 60 - 67 + 0,0,0,0,0,0,0,0, # 68 - 6f + 0,0,0,0,0,0,0,0, # 70 - 77 + 0,0,0,0,0,0,0,0, # 78 - 7f + 0,0,0,0,0,0,0,0, # 80 - 87 + 0,0,0,0,0,0,0,0, # 88 - 8f + 0,0,0,0,0,0,0,0, # 90 - 97 + 0,0,0,0,0,0,0,0, # 98 - 9f + 0,0,0,0,0,0,0,0, # a0 - a7 + 0,0,0,0,0,0,0,0, # a8 - af + 0,0,0,0,0,0,0,0, # b0 - b7 + 0,0,0,0,0,0,0,0, # b8 - bf + 0,0,0,0,0,0,0,0, # c0 - c7 + 0,0,0,0,0,0,0,0, # c8 - cf + 0,0,0,0,0,0,0,0, # d0 - d7 + 0,0,0,0,0,0,0,0, # d8 - df + 0,0,0,0,0,0,0,0, # e0 - e7 + 0,0,0,0,0,0,0,0, # e8 - ef + 0,0,0,0,0,0,0,0, # f0 - f7 + 0,0,0,0,0,0,4,5 # f8 - ff +) + +UCS2LE_ST = ( + 6, 6, 7, 6, 4, 3,MachineState.ERROR,MachineState.ERROR,#00-07 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#08-0f + MachineState.ITS_ME,MachineState.ITS_ME, 5, 5, 5,MachineState.ERROR,MachineState.ITS_ME,MachineState.ERROR,#10-17 + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR, 6, 6,#18-1f + 7, 6, 8, 8, 5, 5, 5,MachineState.ERROR,#20-27 + 5, 5, 5,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5,#28-2f + 5, 5, 5,MachineState.ERROR, 5,MachineState.ERROR,MachineState.START,MachineState.START #30-37 +) + +UCS2LE_CHAR_LEN_TABLE = (2, 2, 2, 2, 2, 2) + +UCS2LE_SM_MODEL = {'class_table': UCS2LE_CLS, + 'class_factor': 6, + 'state_table': UCS2LE_ST, + 'char_len_table': UCS2LE_CHAR_LEN_TABLE, + 'name': 'UTF-16LE'} + +# UTF-8 + +UTF8_CLS = ( + 1,1,1,1,1,1,1,1, # 00 - 07 #allow 0x00 as a legal value + 1,1,1,1,1,1,0,0, # 08 - 0f + 1,1,1,1,1,1,1,1, # 10 - 17 + 1,1,1,0,1,1,1,1, # 18 - 1f + 1,1,1,1,1,1,1,1, # 20 - 27 + 1,1,1,1,1,1,1,1, # 28 - 2f + 1,1,1,1,1,1,1,1, # 30 - 37 + 1,1,1,1,1,1,1,1, # 38 - 3f + 1,1,1,1,1,1,1,1, # 40 - 47 + 1,1,1,1,1,1,1,1, # 48 - 4f + 1,1,1,1,1,1,1,1, # 50 - 57 + 1,1,1,1,1,1,1,1, # 58 - 5f + 1,1,1,1,1,1,1,1, # 60 - 67 + 1,1,1,1,1,1,1,1, # 68 - 6f + 1,1,1,1,1,1,1,1, # 70 - 77 + 1,1,1,1,1,1,1,1, # 78 - 7f + 2,2,2,2,3,3,3,3, # 80 - 87 + 4,4,4,4,4,4,4,4, # 88 - 8f + 4,4,4,4,4,4,4,4, # 90 - 97 + 4,4,4,4,4,4,4,4, # 98 - 9f + 5,5,5,5,5,5,5,5, # a0 - a7 + 5,5,5,5,5,5,5,5, # a8 - af + 5,5,5,5,5,5,5,5, # b0 - b7 + 5,5,5,5,5,5,5,5, # b8 - bf + 0,0,6,6,6,6,6,6, # c0 - c7 + 6,6,6,6,6,6,6,6, # c8 - cf + 6,6,6,6,6,6,6,6, # d0 - d7 + 6,6,6,6,6,6,6,6, # d8 - df + 7,8,8,8,8,8,8,8, # e0 - e7 + 8,8,8,8,8,9,8,8, # e8 - ef + 10,11,11,11,11,11,11,11, # f0 - f7 + 12,13,13,13,14,15,0,0 # f8 - ff +) + +UTF8_ST = ( + MachineState.ERROR,MachineState.START,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12, 10,#00-07 + 9, 11, 8, 7, 6, 5, 4, 3,#08-0f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#10-17 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#18-1f + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#20-27 + MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,MachineState.ITS_ME,#28-2f + MachineState.ERROR,MachineState.ERROR, 5, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#30-37 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#38-3f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 5, 5, 5,MachineState.ERROR,MachineState.ERROR,#40-47 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#48-4f + MachineState.ERROR,MachineState.ERROR, 7, 7, 7, 7,MachineState.ERROR,MachineState.ERROR,#50-57 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#58-5f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 7, 7,MachineState.ERROR,MachineState.ERROR,#60-67 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#68-6f + MachineState.ERROR,MachineState.ERROR, 9, 9, 9, 9,MachineState.ERROR,MachineState.ERROR,#70-77 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#78-7f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 9,MachineState.ERROR,MachineState.ERROR,#80-87 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#88-8f + MachineState.ERROR,MachineState.ERROR, 12, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,#90-97 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#98-9f + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR, 12,MachineState.ERROR,MachineState.ERROR,#a0-a7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#a8-af + MachineState.ERROR,MachineState.ERROR, 12, 12, 12,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b0-b7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,#b8-bf + MachineState.ERROR,MachineState.ERROR,MachineState.START,MachineState.START,MachineState.START,MachineState.START,MachineState.ERROR,MachineState.ERROR,#c0-c7 + MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR,MachineState.ERROR #c8-cf +) + +UTF8_CHAR_LEN_TABLE = (0, 1, 0, 0, 0, 0, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6) + +UTF8_SM_MODEL = {'class_table': UTF8_CLS, + 'class_factor': 16, + 'state_table': UTF8_ST, + 'char_len_table': UTF8_CHAR_LEN_TABLE, + 'name': 'UTF-8'} diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/metadata/__init__.py b/backend/mb-env/lib/python3.9/site-packages/chardet/metadata/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/metadata/languages.py b/backend/mb-env/lib/python3.9/site-packages/chardet/metadata/languages.py new file mode 100644 index 0000000..3237d5a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/metadata/languages.py @@ -0,0 +1,310 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +""" +Metadata about languages used by our model training code for our +SingleByteCharSetProbers. Could be used for other things in the future. + +This code is based on the language metadata from the uchardet project. +""" +from __future__ import absolute_import, print_function + +from string import ascii_letters + + +# TODO: Add Ukranian (KOI8-U) + +class Language(object): + """Metadata about a language useful for training models + + :ivar name: The human name for the language, in English. + :type name: str + :ivar iso_code: 2-letter ISO 639-1 if possible, 3-letter ISO code otherwise, + or use another catalog as a last resort. + :type iso_code: str + :ivar use_ascii: Whether or not ASCII letters should be included in trained + models. + :type use_ascii: bool + :ivar charsets: The charsets we want to support and create data for. + :type charsets: list of str + :ivar alphabet: The characters in the language's alphabet. If `use_ascii` is + `True`, you only need to add those not in the ASCII set. + :type alphabet: str + :ivar wiki_start_pages: The Wikipedia pages to start from if we're crawling + Wikipedia for training data. + :type wiki_start_pages: list of str + """ + def __init__(self, name=None, iso_code=None, use_ascii=True, charsets=None, + alphabet=None, wiki_start_pages=None): + super(Language, self).__init__() + self.name = name + self.iso_code = iso_code + self.use_ascii = use_ascii + self.charsets = charsets + if self.use_ascii: + if alphabet: + alphabet += ascii_letters + else: + alphabet = ascii_letters + elif not alphabet: + raise ValueError('Must supply alphabet if use_ascii is False') + self.alphabet = ''.join(sorted(set(alphabet))) if alphabet else None + self.wiki_start_pages = wiki_start_pages + + def __repr__(self): + return '{}({})'.format(self.__class__.__name__, + ', '.join('{}={!r}'.format(k, v) + for k, v in self.__dict__.items() + if not k.startswith('_'))) + + +LANGUAGES = {'Arabic': Language(name='Arabic', + iso_code='ar', + use_ascii=False, + # We only support encodings that use isolated + # forms, because the current recommendation is + # that the rendering system handles presentation + # forms. This means we purposefully skip IBM864. + charsets=['ISO-8859-6', 'WINDOWS-1256', + 'CP720', 'CP864'], + alphabet=u'ءآأؤإئابةتثجحخدذرزسشصضطظعغػؼؽؾؿـفقكلمنهوىيًٌٍَُِّ', + wiki_start_pages=[u'الصفحة_الرئيسية']), + 'Belarusian': Language(name='Belarusian', + iso_code='be', + use_ascii=False, + charsets=['ISO-8859-5', 'WINDOWS-1251', + 'IBM866', 'MacCyrillic'], + alphabet=(u'АБВГДЕЁЖЗІЙКЛМНОПРСТУЎФХЦЧШЫЬЭЮЯ' + u'абвгдеёжзійклмнопрстуўфхцчшыьэюяʼ'), + wiki_start_pages=[u'Галоўная_старонка']), + 'Bulgarian': Language(name='Bulgarian', + iso_code='bg', + use_ascii=False, + charsets=['ISO-8859-5', 'WINDOWS-1251', + 'IBM855'], + alphabet=(u'АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЬЮЯ' + u'абвгдежзийклмнопрстуфхцчшщъьюя'), + wiki_start_pages=[u'Начална_страница']), + 'Czech': Language(name='Czech', + iso_code='cz', + use_ascii=True, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=u'áčďéěíňóřšťúůýžÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ', + wiki_start_pages=[u'Hlavní_strana']), + 'Danish': Language(name='Danish', + iso_code='da', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'æøåÆØÅ', + wiki_start_pages=[u'Forside']), + 'German': Language(name='German', + iso_code='de', + use_ascii=True, + charsets=['ISO-8859-1', 'WINDOWS-1252'], + alphabet=u'äöüßÄÖÜ', + wiki_start_pages=[u'Wikipedia:Hauptseite']), + 'Greek': Language(name='Greek', + iso_code='el', + use_ascii=False, + charsets=['ISO-8859-7', 'WINDOWS-1253'], + alphabet=(u'αβγδεζηθικλμνξοπρσςτυφχψωάέήίόύώ' + u'ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΣΤΥΦΧΨΩΆΈΉΊΌΎΏ'), + wiki_start_pages=[u'Πύλη:Κύρια']), + 'English': Language(name='English', + iso_code='en', + use_ascii=True, + charsets=['ISO-8859-1', 'WINDOWS-1252'], + wiki_start_pages=[u'Main_Page']), + 'Esperanto': Language(name='Esperanto', + iso_code='eo', + # Q, W, X, and Y not used at all + use_ascii=False, + charsets=['ISO-8859-3'], + alphabet=(u'abcĉdefgĝhĥijĵklmnoprsŝtuŭvz' + u'ABCĈDEFGĜHĤIJĴKLMNOPRSŜTUŬVZ'), + wiki_start_pages=[u'Vikipedio:Ĉefpaĝo']), + 'Spanish': Language(name='Spanish', + iso_code='es', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'ñáéíóúüÑÁÉÍÓÚÜ', + wiki_start_pages=[u'Wikipedia:Portada']), + 'Estonian': Language(name='Estonian', + iso_code='et', + use_ascii=False, + charsets=['ISO-8859-4', 'ISO-8859-13', + 'WINDOWS-1257'], + # C, F, Š, Q, W, X, Y, Z, Ž are only for + # loanwords + alphabet=(u'ABDEGHIJKLMNOPRSTUVÕÄÖÜ' + u'abdeghijklmnoprstuvõäöü'), + wiki_start_pages=[u'Esileht']), + 'Finnish': Language(name='Finnish', + iso_code='fi', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'ÅÄÖŠŽåäöšž', + wiki_start_pages=[u'Wikipedia:Etusivu']), + 'French': Language(name='French', + iso_code='fr', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'œàâçèéîïùûêŒÀÂÇÈÉÎÏÙÛÊ', + wiki_start_pages=[u'Wikipédia:Accueil_principal', + u'Bœuf (animal)']), + 'Hebrew': Language(name='Hebrew', + iso_code='he', + use_ascii=False, + charsets=['ISO-8859-8', 'WINDOWS-1255'], + alphabet=u'אבגדהוזחטיךכלםמןנסעףפץצקרשתװױײ', + wiki_start_pages=[u'עמוד_ראשי']), + 'Croatian': Language(name='Croatian', + iso_code='hr', + # Q, W, X, Y are only used for foreign words. + use_ascii=False, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=(u'abcčćdđefghijklmnoprsštuvzž' + u'ABCČĆDĐEFGHIJKLMNOPRSŠTUVZŽ'), + wiki_start_pages=[u'Glavna_stranica']), + 'Hungarian': Language(name='Hungarian', + iso_code='hu', + # Q, W, X, Y are only used for foreign words. + use_ascii=False, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=(u'abcdefghijklmnoprstuvzáéíóöőúüű' + u'ABCDEFGHIJKLMNOPRSTUVZÁÉÍÓÖŐÚÜŰ'), + wiki_start_pages=[u'Kezdőlap']), + 'Italian': Language(name='Italian', + iso_code='it', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'ÀÈÉÌÒÓÙàèéìòóù', + wiki_start_pages=[u'Pagina_principale']), + 'Lithuanian': Language(name='Lithuanian', + iso_code='lt', + use_ascii=False, + charsets=['ISO-8859-13', 'WINDOWS-1257', + 'ISO-8859-4'], + # Q, W, and X not used at all + alphabet=(u'AĄBCČDEĘĖFGHIĮYJKLMNOPRSŠTUŲŪVZŽ' + u'aąbcčdeęėfghiįyjklmnoprsštuųūvzž'), + wiki_start_pages=[u'Pagrindinis_puslapis']), + 'Latvian': Language(name='Latvian', + iso_code='lv', + use_ascii=False, + charsets=['ISO-8859-13', 'WINDOWS-1257', + 'ISO-8859-4'], + # Q, W, X, Y are only for loanwords + alphabet=(u'AĀBCČDEĒFGĢHIĪJKĶLĻMNŅOPRSŠTUŪVZŽ' + u'aābcčdeēfgģhiījkķlļmnņoprsštuūvzž'), + wiki_start_pages=[u'Sākumlapa']), + 'Macedonian': Language(name='Macedonian', + iso_code='mk', + use_ascii=False, + charsets=['ISO-8859-5', 'WINDOWS-1251', + 'MacCyrillic', 'IBM855'], + alphabet=(u'АБВГДЃЕЖЗЅИЈКЛЉМНЊОПРСТЌУФХЦЧЏШ' + u'абвгдѓежзѕијклљмнњопрстќуфхцчџш'), + wiki_start_pages=[u'Главна_страница']), + 'Dutch': Language(name='Dutch', + iso_code='nl', + use_ascii=True, + charsets=['ISO-8859-1', 'WINDOWS-1252'], + wiki_start_pages=[u'Hoofdpagina']), + 'Polish': Language(name='Polish', + iso_code='pl', + # Q and X are only used for foreign words. + use_ascii=False, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=(u'AĄBCĆDEĘFGHIJKLŁMNŃOÓPRSŚTUWYZŹŻ' + u'aąbcćdeęfghijklłmnńoóprsśtuwyzźż'), + wiki_start_pages=[u'Wikipedia:Strona_główna']), + 'Portuguese': Language(name='Portuguese', + iso_code='pt', + use_ascii=True, + charsets=['ISO-8859-1', 'ISO-8859-15', + 'WINDOWS-1252'], + alphabet=u'ÁÂÃÀÇÉÊÍÓÔÕÚáâãàçéêíóôõú', + wiki_start_pages=[u'Wikipédia:Página_principal']), + 'Romanian': Language(name='Romanian', + iso_code='ro', + use_ascii=True, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=u'ăâîșțĂÂÎȘȚ', + wiki_start_pages=[u'Pagina_principală']), + 'Russian': Language(name='Russian', + iso_code='ru', + use_ascii=False, + charsets=['ISO-8859-5', 'WINDOWS-1251', + 'KOI8-R', 'MacCyrillic', 'IBM866', + 'IBM855'], + alphabet=(u'абвгдеёжзийклмнопрстуфхцчшщъыьэюя' + u'АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ'), + wiki_start_pages=[u'Заглавная_страница']), + 'Slovak': Language(name='Slovak', + iso_code='sk', + use_ascii=True, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=u'áäčďéíĺľňóôŕšťúýžÁÄČĎÉÍĹĽŇÓÔŔŠŤÚÝŽ', + wiki_start_pages=[u'Hlavná_stránka']), + 'Slovene': Language(name='Slovene', + iso_code='sl', + # Q, W, X, Y are only used for foreign words. + use_ascii=False, + charsets=['ISO-8859-2', 'WINDOWS-1250'], + alphabet=(u'abcčdefghijklmnoprsštuvzž' + u'ABCČDEFGHIJKLMNOPRSŠTUVZŽ'), + wiki_start_pages=[u'Glavna_stran']), + # Serbian can be written in both Latin and Cyrillic, but there's no + # simple way to get the Latin alphabet pages from Wikipedia through + # the API, so for now we just support Cyrillic. + 'Serbian': Language(name='Serbian', + iso_code='sr', + alphabet=(u'АБВГДЂЕЖЗИЈКЛЉМНЊОПРСТЋУФХЦЧЏШ' + u'абвгдђежзијклљмнњопрстћуфхцчџш'), + charsets=['ISO-8859-5', 'WINDOWS-1251', + 'MacCyrillic', 'IBM855'], + wiki_start_pages=[u'Главна_страна']), + 'Thai': Language(name='Thai', + iso_code='th', + use_ascii=False, + charsets=['ISO-8859-11', 'TIS-620', 'CP874'], + alphabet=u'กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรฤลฦวศษสหฬอฮฯะัาำิีึืฺุู฿เแโใไๅๆ็่้๊๋์ํ๎๏๐๑๒๓๔๕๖๗๘๙๚๛', + wiki_start_pages=[u'หน้าหลัก']), + 'Turkish': Language(name='Turkish', + iso_code='tr', + # Q, W, and X are not used by Turkish + use_ascii=False, + charsets=['ISO-8859-3', 'ISO-8859-9', + 'WINDOWS-1254'], + alphabet=(u'abcçdefgğhıijklmnoöprsştuüvyzâîû' + u'ABCÇDEFGĞHIİJKLMNOÖPRSŞTUÜVYZÂÎÛ'), + wiki_start_pages=[u'Ana_Sayfa']), + 'Vietnamese': Language(name='Vietnamese', + iso_code='vi', + use_ascii=False, + # Windows-1258 is the only common 8-bit + # Vietnamese encoding supported by Python. + # From Wikipedia: + # For systems that lack support for Unicode, + # dozens of 8-bit Vietnamese code pages are + # available.[1] The most common are VISCII + # (TCVN 5712:1993), VPS, and Windows-1258.[3] + # Where ASCII is required, such as when + # ensuring readability in plain text e-mail, + # Vietnamese letters are often encoded + # according to Vietnamese Quoted-Readable + # (VIQR) or VSCII Mnemonic (VSCII-MNEM),[4] + # though usage of either variable-width + # scheme has declined dramatically following + # the adoption of Unicode on the World Wide + # Web. + charsets=['WINDOWS-1258'], + alphabet=(u'aăâbcdđeêghiklmnoôơpqrstuưvxy' + u'AĂÂBCDĐEÊGHIKLMNOÔƠPQRSTUƯVXY'), + wiki_start_pages=[u'Chữ_Quốc_ngữ']), + } diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/sbcharsetprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/sbcharsetprober.py new file mode 100644 index 0000000..46ba835 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/sbcharsetprober.py @@ -0,0 +1,145 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from collections import namedtuple + +from .charsetprober import CharSetProber +from .enums import CharacterCategory, ProbingState, SequenceLikelihood + + +SingleByteCharSetModel = namedtuple('SingleByteCharSetModel', + ['charset_name', + 'language', + 'char_to_order_map', + 'language_model', + 'typical_positive_ratio', + 'keep_ascii_letters', + 'alphabet']) + + +class SingleByteCharSetProber(CharSetProber): + SAMPLE_SIZE = 64 + SB_ENOUGH_REL_THRESHOLD = 1024 # 0.25 * SAMPLE_SIZE^2 + POSITIVE_SHORTCUT_THRESHOLD = 0.95 + NEGATIVE_SHORTCUT_THRESHOLD = 0.05 + + def __init__(self, model, reversed=False, name_prober=None): + super(SingleByteCharSetProber, self).__init__() + self._model = model + # TRUE if we need to reverse every pair in the model lookup + self._reversed = reversed + # Optional auxiliary prober for name decision + self._name_prober = name_prober + self._last_order = None + self._seq_counters = None + self._total_seqs = None + self._total_char = None + self._freq_char = None + self.reset() + + def reset(self): + super(SingleByteCharSetProber, self).reset() + # char order of last character + self._last_order = 255 + self._seq_counters = [0] * SequenceLikelihood.get_num_categories() + self._total_seqs = 0 + self._total_char = 0 + # characters that fall in our sampling range + self._freq_char = 0 + + @property + def charset_name(self): + if self._name_prober: + return self._name_prober.charset_name + else: + return self._model.charset_name + + @property + def language(self): + if self._name_prober: + return self._name_prober.language + else: + return self._model.language + + def feed(self, byte_str): + # TODO: Make filter_international_words keep things in self.alphabet + if not self._model.keep_ascii_letters: + byte_str = self.filter_international_words(byte_str) + if not byte_str: + return self.state + char_to_order_map = self._model.char_to_order_map + language_model = self._model.language_model + for char in byte_str: + order = char_to_order_map.get(char, CharacterCategory.UNDEFINED) + # XXX: This was SYMBOL_CAT_ORDER before, with a value of 250, but + # CharacterCategory.SYMBOL is actually 253, so we use CONTROL + # to make it closer to the original intent. The only difference + # is whether or not we count digits and control characters for + # _total_char purposes. + if order < CharacterCategory.CONTROL: + self._total_char += 1 + # TODO: Follow uchardet's lead and discount confidence for frequent + # control characters. + # See https://github.com/BYVoid/uchardet/commit/55b4f23971db61 + if order < self.SAMPLE_SIZE: + self._freq_char += 1 + if self._last_order < self.SAMPLE_SIZE: + self._total_seqs += 1 + if not self._reversed: + lm_cat = language_model[self._last_order][order] + else: + lm_cat = language_model[order][self._last_order] + self._seq_counters[lm_cat] += 1 + self._last_order = order + + charset_name = self._model.charset_name + if self.state == ProbingState.DETECTING: + if self._total_seqs > self.SB_ENOUGH_REL_THRESHOLD: + confidence = self.get_confidence() + if confidence > self.POSITIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, we have a winner', + charset_name, confidence) + self._state = ProbingState.FOUND_IT + elif confidence < self.NEGATIVE_SHORTCUT_THRESHOLD: + self.logger.debug('%s confidence = %s, below negative ' + 'shortcut threshhold %s', charset_name, + confidence, + self.NEGATIVE_SHORTCUT_THRESHOLD) + self._state = ProbingState.NOT_ME + + return self.state + + def get_confidence(self): + r = 0.01 + if self._total_seqs > 0: + r = ((1.0 * self._seq_counters[SequenceLikelihood.POSITIVE]) / + self._total_seqs / self._model.typical_positive_ratio) + r = r * self._freq_char / self._total_char + if r >= 1.0: + r = 0.99 + return r diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/sbcsgroupprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/sbcsgroupprober.py new file mode 100644 index 0000000..bdeef4e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/sbcsgroupprober.py @@ -0,0 +1,83 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetgroupprober import CharSetGroupProber +from .hebrewprober import HebrewProber +from .langbulgarianmodel import (ISO_8859_5_BULGARIAN_MODEL, + WINDOWS_1251_BULGARIAN_MODEL) +from .langgreekmodel import ISO_8859_7_GREEK_MODEL, WINDOWS_1253_GREEK_MODEL +from .langhebrewmodel import WINDOWS_1255_HEBREW_MODEL +# from .langhungarianmodel import (ISO_8859_2_HUNGARIAN_MODEL, +# WINDOWS_1250_HUNGARIAN_MODEL) +from .langrussianmodel import (IBM855_RUSSIAN_MODEL, IBM866_RUSSIAN_MODEL, + ISO_8859_5_RUSSIAN_MODEL, KOI8_R_RUSSIAN_MODEL, + MACCYRILLIC_RUSSIAN_MODEL, + WINDOWS_1251_RUSSIAN_MODEL) +from .langthaimodel import TIS_620_THAI_MODEL +from .langturkishmodel import ISO_8859_9_TURKISH_MODEL +from .sbcharsetprober import SingleByteCharSetProber + + +class SBCSGroupProber(CharSetGroupProber): + def __init__(self): + super(SBCSGroupProber, self).__init__() + hebrew_prober = HebrewProber() + logical_hebrew_prober = SingleByteCharSetProber(WINDOWS_1255_HEBREW_MODEL, + False, hebrew_prober) + # TODO: See if using ISO-8859-8 Hebrew model works better here, since + # it's actually the visual one + visual_hebrew_prober = SingleByteCharSetProber(WINDOWS_1255_HEBREW_MODEL, + True, hebrew_prober) + hebrew_prober.set_model_probers(logical_hebrew_prober, + visual_hebrew_prober) + # TODO: ORDER MATTERS HERE. I changed the order vs what was in master + # and several tests failed that did not before. Some thought + # should be put into the ordering, and we should consider making + # order not matter here, because that is very counter-intuitive. + self.probers = [ + SingleByteCharSetProber(WINDOWS_1251_RUSSIAN_MODEL), + SingleByteCharSetProber(KOI8_R_RUSSIAN_MODEL), + SingleByteCharSetProber(ISO_8859_5_RUSSIAN_MODEL), + SingleByteCharSetProber(MACCYRILLIC_RUSSIAN_MODEL), + SingleByteCharSetProber(IBM866_RUSSIAN_MODEL), + SingleByteCharSetProber(IBM855_RUSSIAN_MODEL), + SingleByteCharSetProber(ISO_8859_7_GREEK_MODEL), + SingleByteCharSetProber(WINDOWS_1253_GREEK_MODEL), + SingleByteCharSetProber(ISO_8859_5_BULGARIAN_MODEL), + SingleByteCharSetProber(WINDOWS_1251_BULGARIAN_MODEL), + # TODO: Restore Hungarian encodings (iso-8859-2 and windows-1250) + # after we retrain model. + # SingleByteCharSetProber(ISO_8859_2_HUNGARIAN_MODEL), + # SingleByteCharSetProber(WINDOWS_1250_HUNGARIAN_MODEL), + SingleByteCharSetProber(TIS_620_THAI_MODEL), + SingleByteCharSetProber(ISO_8859_9_TURKISH_MODEL), + hebrew_prober, + logical_hebrew_prober, + visual_hebrew_prober, + ] + self.reset() diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/sjisprober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/sjisprober.py new file mode 100644 index 0000000..9e29623 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/sjisprober.py @@ -0,0 +1,92 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .mbcharsetprober import MultiByteCharSetProber +from .codingstatemachine import CodingStateMachine +from .chardistribution import SJISDistributionAnalysis +from .jpcntx import SJISContextAnalysis +from .mbcssm import SJIS_SM_MODEL +from .enums import ProbingState, MachineState + + +class SJISProber(MultiByteCharSetProber): + def __init__(self): + super(SJISProber, self).__init__() + self.coding_sm = CodingStateMachine(SJIS_SM_MODEL) + self.distribution_analyzer = SJISDistributionAnalysis() + self.context_analyzer = SJISContextAnalysis() + self.reset() + + def reset(self): + super(SJISProber, self).reset() + self.context_analyzer.reset() + + @property + def charset_name(self): + return self.context_analyzer.charset_name + + @property + def language(self): + return "Japanese" + + def feed(self, byte_str): + for i in range(len(byte_str)): + coding_state = self.coding_sm.next_state(byte_str[i]) + if coding_state == MachineState.ERROR: + self.logger.debug('%s %s prober hit error at byte %s', + self.charset_name, self.language, i) + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + char_len = self.coding_sm.get_current_charlen() + if i == 0: + self._last_char[1] = byte_str[0] + self.context_analyzer.feed(self._last_char[2 - char_len:], + char_len) + self.distribution_analyzer.feed(self._last_char, char_len) + else: + self.context_analyzer.feed(byte_str[i + 1 - char_len:i + 3 + - char_len], char_len) + self.distribution_analyzer.feed(byte_str[i - 1:i + 1], + char_len) + + self._last_char[0] = byte_str[-1] + + if self.state == ProbingState.DETECTING: + if (self.context_analyzer.got_enough_data() and + (self.get_confidence() > self.SHORTCUT_THRESHOLD)): + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + context_conf = self.context_analyzer.get_confidence() + distrib_conf = self.distribution_analyzer.get_confidence() + return max(context_conf, distrib_conf) diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/universaldetector.py b/backend/mb-env/lib/python3.9/site-packages/chardet/universaldetector.py new file mode 100644 index 0000000..055a8ac --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/universaldetector.py @@ -0,0 +1,286 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is Mozilla Universal charset detector code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 2001 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# Shy Shalom - original C code +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### +""" +Module containing the UniversalDetector detector class, which is the primary +class a user of ``chardet`` should use. + +:author: Mark Pilgrim (initial port to Python) +:author: Shy Shalom (original C code) +:author: Dan Blanchard (major refactoring for 3.0) +:author: Ian Cordasco +""" + + +import codecs +import logging +import re + +from .charsetgroupprober import CharSetGroupProber +from .enums import InputState, LanguageFilter, ProbingState +from .escprober import EscCharSetProber +from .latin1prober import Latin1Prober +from .mbcsgroupprober import MBCSGroupProber +from .sbcsgroupprober import SBCSGroupProber + + +class UniversalDetector(object): + """ + The ``UniversalDetector`` class underlies the ``chardet.detect`` function + and coordinates all of the different charset probers. + + To get a ``dict`` containing an encoding and its confidence, you can simply + run: + + .. code:: + + u = UniversalDetector() + u.feed(some_bytes) + u.close() + detected = u.result + + """ + + MINIMUM_THRESHOLD = 0.20 + HIGH_BYTE_DETECTOR = re.compile(b'[\x80-\xFF]') + ESC_DETECTOR = re.compile(b'(\033|~{)') + WIN_BYTE_DETECTOR = re.compile(b'[\x80-\x9F]') + ISO_WIN_MAP = {'iso-8859-1': 'Windows-1252', + 'iso-8859-2': 'Windows-1250', + 'iso-8859-5': 'Windows-1251', + 'iso-8859-6': 'Windows-1256', + 'iso-8859-7': 'Windows-1253', + 'iso-8859-8': 'Windows-1255', + 'iso-8859-9': 'Windows-1254', + 'iso-8859-13': 'Windows-1257'} + + def __init__(self, lang_filter=LanguageFilter.ALL): + self._esc_charset_prober = None + self._charset_probers = [] + self.result = None + self.done = None + self._got_data = None + self._input_state = None + self._last_char = None + self.lang_filter = lang_filter + self.logger = logging.getLogger(__name__) + self._has_win_bytes = None + self.reset() + + def reset(self): + """ + Reset the UniversalDetector and all of its probers back to their + initial states. This is called by ``__init__``, so you only need to + call this directly in between analyses of different documents. + """ + self.result = {'encoding': None, 'confidence': 0.0, 'language': None} + self.done = False + self._got_data = False + self._has_win_bytes = False + self._input_state = InputState.PURE_ASCII + self._last_char = b'' + if self._esc_charset_prober: + self._esc_charset_prober.reset() + for prober in self._charset_probers: + prober.reset() + + def feed(self, byte_str): + """ + Takes a chunk of a document and feeds it through all of the relevant + charset probers. + + After calling ``feed``, you can check the value of the ``done`` + attribute to see if you need to continue feeding the + ``UniversalDetector`` more data, or if it has made a prediction + (in the ``result`` attribute). + + .. note:: + You should always call ``close`` when you're done feeding in your + document if ``done`` is not already ``True``. + """ + if self.done: + return + + if not len(byte_str): + return + + if not isinstance(byte_str, bytearray): + byte_str = bytearray(byte_str) + + # First check for known BOMs, since these are guaranteed to be correct + if not self._got_data: + # If the data starts with BOM, we know it is UTF + if byte_str.startswith(codecs.BOM_UTF8): + # EF BB BF UTF-8 with BOM + self.result = {'encoding': "UTF-8-SIG", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_UTF32_LE, + codecs.BOM_UTF32_BE)): + # FF FE 00 00 UTF-32, little-endian BOM + # 00 00 FE FF UTF-32, big-endian BOM + self.result = {'encoding': "UTF-32", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\xFE\xFF\x00\x00'): + # FE FF 00 00 UCS-4, unusual octet order BOM (3412) + self.result = {'encoding': "X-ISO-10646-UCS-4-3412", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith(b'\x00\x00\xFF\xFE'): + # 00 00 FF FE UCS-4, unusual octet order BOM (2143) + self.result = {'encoding': "X-ISO-10646-UCS-4-2143", + 'confidence': 1.0, + 'language': ''} + elif byte_str.startswith((codecs.BOM_LE, codecs.BOM_BE)): + # FF FE UTF-16, little endian BOM + # FE FF UTF-16, big endian BOM + self.result = {'encoding': "UTF-16", + 'confidence': 1.0, + 'language': ''} + + self._got_data = True + if self.result['encoding'] is not None: + self.done = True + return + + # If none of those matched and we've only see ASCII so far, check + # for high bytes and escape sequences + if self._input_state == InputState.PURE_ASCII: + if self.HIGH_BYTE_DETECTOR.search(byte_str): + self._input_state = InputState.HIGH_BYTE + elif self._input_state == InputState.PURE_ASCII and \ + self.ESC_DETECTOR.search(self._last_char + byte_str): + self._input_state = InputState.ESC_ASCII + + self._last_char = byte_str[-1:] + + # If we've seen escape sequences, use the EscCharSetProber, which + # uses a simple state machine to check for known escape sequences in + # HZ and ISO-2022 encodings, since those are the only encodings that + # use such sequences. + if self._input_state == InputState.ESC_ASCII: + if not self._esc_charset_prober: + self._esc_charset_prober = EscCharSetProber(self.lang_filter) + if self._esc_charset_prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': + self._esc_charset_prober.charset_name, + 'confidence': + self._esc_charset_prober.get_confidence(), + 'language': + self._esc_charset_prober.language} + self.done = True + # If we've seen high bytes (i.e., those with values greater than 127), + # we need to do more complicated checks using all our multi-byte and + # single-byte probers that are left. The single-byte probers + # use character bigram distributions to determine the encoding, whereas + # the multi-byte probers use a combination of character unigram and + # bigram distributions. + elif self._input_state == InputState.HIGH_BYTE: + if not self._charset_probers: + self._charset_probers = [MBCSGroupProber(self.lang_filter)] + # If we're checking non-CJK encodings, use single-byte prober + if self.lang_filter & LanguageFilter.NON_CJK: + self._charset_probers.append(SBCSGroupProber()) + self._charset_probers.append(Latin1Prober()) + for prober in self._charset_probers: + if prober.feed(byte_str) == ProbingState.FOUND_IT: + self.result = {'encoding': prober.charset_name, + 'confidence': prober.get_confidence(), + 'language': prober.language} + self.done = True + break + if self.WIN_BYTE_DETECTOR.search(byte_str): + self._has_win_bytes = True + + def close(self): + """ + Stop analyzing the current document and come up with a final + prediction. + + :returns: The ``result`` attribute, a ``dict`` with the keys + `encoding`, `confidence`, and `language`. + """ + # Don't bother with checks if we're already done + if self.done: + return self.result + self.done = True + + if not self._got_data: + self.logger.debug('no data received!') + + # Default to ASCII if it is all we've seen so far + elif self._input_state == InputState.PURE_ASCII: + self.result = {'encoding': 'ascii', + 'confidence': 1.0, + 'language': ''} + + # If we have seen non-ASCII, return the best that met MINIMUM_THRESHOLD + elif self._input_state == InputState.HIGH_BYTE: + prober_confidence = None + max_prober_confidence = 0.0 + max_prober = None + for prober in self._charset_probers: + if not prober: + continue + prober_confidence = prober.get_confidence() + if prober_confidence > max_prober_confidence: + max_prober_confidence = prober_confidence + max_prober = prober + if max_prober and (max_prober_confidence > self.MINIMUM_THRESHOLD): + charset_name = max_prober.charset_name + lower_charset_name = max_prober.charset_name.lower() + confidence = max_prober.get_confidence() + # Use Windows encoding name instead of ISO-8859 if we saw any + # extra Windows-specific bytes + if lower_charset_name.startswith('iso-8859'): + if self._has_win_bytes: + charset_name = self.ISO_WIN_MAP.get(lower_charset_name, + charset_name) + self.result = {'encoding': charset_name, + 'confidence': confidence, + 'language': max_prober.language} + + # Log all prober confidences if none met MINIMUM_THRESHOLD + if self.logger.getEffectiveLevel() <= logging.DEBUG: + if self.result['encoding'] is None: + self.logger.debug('no probers hit minimum threshold') + for group_prober in self._charset_probers: + if not group_prober: + continue + if isinstance(group_prober, CharSetGroupProber): + for prober in group_prober.probers: + self.logger.debug('%s %s confidence = %s', + prober.charset_name, + prober.language, + prober.get_confidence()) + else: + self.logger.debug('%s %s confidence = %s', + group_prober.charset_name, + group_prober.language, + group_prober.get_confidence()) + return self.result diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/utf8prober.py b/backend/mb-env/lib/python3.9/site-packages/chardet/utf8prober.py new file mode 100644 index 0000000..6c3196c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/utf8prober.py @@ -0,0 +1,82 @@ +######################## BEGIN LICENSE BLOCK ######################## +# The Original Code is mozilla.org code. +# +# The Initial Developer of the Original Code is +# Netscape Communications Corporation. +# Portions created by the Initial Developer are Copyright (C) 1998 +# the Initial Developer. All Rights Reserved. +# +# Contributor(s): +# Mark Pilgrim - port to Python +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA +######################### END LICENSE BLOCK ######################### + +from .charsetprober import CharSetProber +from .enums import ProbingState, MachineState +from .codingstatemachine import CodingStateMachine +from .mbcssm import UTF8_SM_MODEL + + + +class UTF8Prober(CharSetProber): + ONE_CHAR_PROB = 0.5 + + def __init__(self): + super(UTF8Prober, self).__init__() + self.coding_sm = CodingStateMachine(UTF8_SM_MODEL) + self._num_mb_chars = None + self.reset() + + def reset(self): + super(UTF8Prober, self).reset() + self.coding_sm.reset() + self._num_mb_chars = 0 + + @property + def charset_name(self): + return "utf-8" + + @property + def language(self): + return "" + + def feed(self, byte_str): + for c in byte_str: + coding_state = self.coding_sm.next_state(c) + if coding_state == MachineState.ERROR: + self._state = ProbingState.NOT_ME + break + elif coding_state == MachineState.ITS_ME: + self._state = ProbingState.FOUND_IT + break + elif coding_state == MachineState.START: + if self.coding_sm.get_current_charlen() >= 2: + self._num_mb_chars += 1 + + if self.state == ProbingState.DETECTING: + if self.get_confidence() > self.SHORTCUT_THRESHOLD: + self._state = ProbingState.FOUND_IT + + return self.state + + def get_confidence(self): + unlike = 0.99 + if self._num_mb_chars < 6: + unlike *= self.ONE_CHAR_PROB ** self._num_mb_chars + return 1.0 - unlike + else: + return unlike diff --git a/backend/mb-env/lib/python3.9/site-packages/chardet/version.py b/backend/mb-env/lib/python3.9/site-packages/chardet/version.py new file mode 100644 index 0000000..70369b9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/chardet/version.py @@ -0,0 +1,9 @@ +""" +This module exists only to simplify retrieving the version number of chardet +from within setup.py and from chardet subpackages. + +:author: Dan Blanchard (dan.blanchard@gmail.com) +""" + +__version__ = "4.0.0" +VERSION = __version__.split('.') diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/LICENSE new file mode 100644 index 0000000..ad82355 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2019 TAHRI Ahmed R. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/METADATA new file mode 100644 index 0000000..794282b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/METADATA @@ -0,0 +1,275 @@ +Metadata-Version: 2.1 +Name: charset-normalizer +Version: 2.0.4 +Summary: The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet. +Home-page: https://github.com/ousret/charset_normalizer +Author: Ahmed TAHRI @Ousret +Author-email: ahmed.tahri@cloudnursery.dev +License: MIT +Keywords: encoding,i18n,txt,text,charset,charset-detector,normalization,unicode,chardet +Platform: UNKNOWN +Classifier: License :: OSI Approved :: MIT License +Classifier: Intended Audience :: Developers +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Topic :: Text Processing :: Linguistic +Classifier: Topic :: Utilities +Classifier: Programming Language :: Python :: Implementation :: PyPy +Requires-Python: >=3.5.0 +Description-Content-Type: text/markdown +Provides-Extra: unicode_backport +Requires-Dist: unicodedata2 ; extra == 'unicode_backport' + + +

    Charset Detection, for Everyone 👋

    + +

    + The Real First Universal Charset Detector
    + + + + + + + + Code Quality Badge + + + + + + Documentation Status + + + Download Count Total + +

    + +> A library that helps you read text from an unknown charset encoding.
    Motivated by `chardet`, +> I'm trying to resolve the issue by taking a new approach. +> All IANA character set names for which the Python core library provides codecs are supported. + +

    + >>>>> 👉 Try Me Online Now, Then Adopt Me 👈 <<<<< +

    + +This project offers you an alternative to **Universal Charset Encoding Detector**, also known as **Chardet**. + +| Feature | [Chardet](https://github.com/chardet/chardet) | Charset Normalizer | [cChardet](https://github.com/PyYoshi/cChardet) | +| ------------- | :-------------: | :------------------: | :------------------: | +| `Fast` | ❌
    | ✅
    | ✅
    | +| `Universal**` | ❌ | ✅ | ❌ | +| `Reliable` **without** distinguishable standards | ❌ | ✅ | ✅ | +| `Reliable` **with** distinguishable standards | ✅ | ✅ | ✅ | +| `Free & Open` | ✅ | ✅ | ✅ | +| `License` | LGPL-2.1 | MIT | MPL-1.1 +| `Native Python` | ✅ | ✅ | ❌ | +| `Detect spoken language` | ❌ | ✅ | N/A | +| `Supported Encoding` | 30 | :tada: [93](https://charset-normalizer.readthedocs.io/en/latest/support.html) | 40 + +

    +Reading Normalized TextCat Reading Text + +*\*\* : They are clearly using specific code for a specific encoding even if covering most of used one*
    + +## ⚡ Performance + +This package offer better performance than its counterpart Chardet. Here are some numbers. + +| Package | Accuracy | Mean per file (ns) | File per sec (est) | +| ------------- | :-------------: | :------------------: | :------------------: | +| [chardet](https://github.com/chardet/chardet) | 93.0 % | 150 ms | 7 file/sec | +| charset-normalizer | **95.0 %** | **36 ms** | 28 file/sec | + +| Package | 99th percentile | 95th percentile | 50th percentile | +| ------------- | :-------------: | :------------------: | :------------------: | +| [chardet](https://github.com/chardet/chardet) | 647 ms | 250 ms | 24 ms | +| charset-normalizer | 354 ms | 202 ms | 16 ms | + +Chardet's performance on larger file (1MB+) are very poor. Expect huge difference on large payload. + +> Stats are generated using 400+ files using default parameters. More details on used files, see GHA workflows. +> And yes, these results might change at any time. The dataset can be updated to include more files. + +[cchardet](https://github.com/PyYoshi/cChardet) is a non-native (cpp binding) faster alternative. If speed is the most important factor, +you should try it. + +## Your support + +Please ⭐ this repository if this project helped you! + +## ✨ Installation + +Using PyPi for latest stable +```sh +pip install charset-normalizer +``` +Or directly from dev-master for latest preview +```sh +pip install git+https://github.com/Ousret/charset_normalizer.git +``` + +If you want a more up-to-date `unicodedata` than the one available in your Python setup. +```sh +pip install charset-normalizer[unicode_backport] +``` + +## 🚀 Basic Usage + +### CLI +This package comes with a CLI. + +``` +usage: normalizer [-h] [-v] [-a] [-n] [-m] [-r] [-f] [-t THRESHOLD] + file [file ...] + +The Real First Universal Charset Detector. Discover originating encoding used +on text file. Normalize text to unicode. + +positional arguments: + files File(s) to be analysed + +optional arguments: + -h, --help show this help message and exit + -v, --verbose Display complementary information about file if any. + Stdout will contain logs about the detection process. + -a, --with-alternative + Output complementary possibilities if any. Top-level + JSON WILL be a list. + -n, --normalize Permit to normalize input file. If not set, program + does not write anything. + -m, --minimal Only output the charset detected to STDOUT. Disabling + JSON output. + -r, --replace Replace file when trying to normalize it instead of + creating a new one. + -f, --force Replace file without asking if you are sure, use this + flag with caution. + -t THRESHOLD, --threshold THRESHOLD + Define a custom maximum amount of chaos allowed in + decoded content. 0. <= chaos <= 1. + --version Show version information and exit. +``` + +```bash +normalizer ./data/sample.1.fr.srt +``` + +:tada: Since version 1.4.0 the CLI produce easily usable stdout result in JSON format. + +```json +{ + "path": "/home/default/projects/charset_normalizer/data/sample.1.fr.srt", + "encoding": "cp1252", + "encoding_aliases": [ + "1252", + "windows_1252" + ], + "alternative_encodings": [ + "cp1254", + "cp1256", + "cp1258", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1", + "mbcs" + ], + "language": "French", + "alphabets": [ + "Basic Latin", + "Latin-1 Supplement" + ], + "has_sig_or_bom": false, + "chaos": 0.149, + "coherence": 97.152, + "unicode_path": null, + "is_preferred": true +} +``` + +### Python +*Just print out normalized text* +```python +from charset_normalizer import from_path + +results = from_path('./my_subtitle.srt') + +print(str(results.best())) +``` + +*Normalize any text file* +```python +from charset_normalizer import normalize +try: + normalize('./my_subtitle.srt') # should write to disk my_subtitle-***.srt +except IOError as e: + print('Sadly, we are unable to perform charset normalization.', str(e)) +``` + +*Upgrade your code without effort* +```python +from charset_normalizer import detect +``` + +The above code will behave the same as **chardet**. We ensure that we offer the best (reasonable) BC result possible. + +See the docs for advanced usage : [readthedocs.io](https://charset-normalizer.readthedocs.io/en/latest/) + +## 😇 Why + +When I started using Chardet, I noticed that it was not suited to my expectations, and I wanted to propose a +reliable alternative using a completely different method. Also! I never back down on a good challenge ! + +I **don't care** about the **originating charset** encoding, because **two different tables** can +produce **two identical files.** +What I want is to get readable text, the best I can. + +In a way, **I'm brute forcing text decoding.** How cool is that ? 😎 + +Don't confuse package **ftfy** with charset-normalizer or chardet. ftfy goal is to repair unicode string whereas charset-normalizer to convert raw file in unknown encoding to unicode. + +## 🍰 How + + - Discard all charset encoding table that could not fit the binary content. + - Measure chaos, or the mess once opened (by chunks) with a corresponding charset encoding. + - Extract matches with the lowest mess detected. + - Finally, if there is too much match left, we measure coherence. + +**Wait a minute**, what is chaos/mess and coherence according to **YOU ?** + +*Chaos :* I opened hundred of text files, **written by humans**, with the wrong encoding table. **I observed**, then +**I established** some ground rules about **what is obvious** when **it seems like** a mess. + I know that my interpretation of what is chaotic is very subjective, feel free to contribute in order to + improve or rewrite it. + +*Coherence :* For each language there is on earth, we have computed ranked letter appearance occurrences (the best we can). So I thought +that intel is worth something here. So I use those records against decoded text to check if I can detect intelligent design. + +## ⚡ Known limitations + + - Language detection is unreliable when text contains two or more languages sharing identical letters. (eg. HTML (english tags) + Turkish content (Sharing Latin characters)) + - Every charset detector heavily depends on sufficient content. In common cases, do not bother run detection on very tiny content. + +## 👤 Contributing + +Contributions, issues and feature requests are very much welcome.
    +Feel free to check [issues page](https://github.com/ousret/charset_normalizer/issues) if you want to contribute. + +## 📝 License + +Copyright © 2019 [Ahmed TAHRI @Ousret](https://github.com/Ousret).
    +This project is [MIT](https://github.com/Ousret/charset_normalizer/blob/master/LICENSE) licensed. + +Characters frequencies used in this project © 2012 [Denny Vrandečić](http://denny.vrandecic.de) + + diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/RECORD new file mode 100644 index 0000000..a81b0a1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/RECORD @@ -0,0 +1,34 @@ +../../../bin/normalizer,sha256=NFl2dOuOeNarS57u_ogYJ6Md9MUEI96IDXqYfHmZGd0,275 +charset_normalizer-2.0.4.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +charset_normalizer-2.0.4.dist-info/LICENSE,sha256=6zGgxaT7Cbik4yBV0lweX5w1iidS_vPNcgIT0cz-4kE,1070 +charset_normalizer-2.0.4.dist-info/METADATA,sha256=iGaSYKAbW7dltLfO_sIm347XsC5kqKiFrvR3IHolDio,11710 +charset_normalizer-2.0.4.dist-info/RECORD,, 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+charset_normalizer/api.py,sha256=xf9L11VEFJGNcGFSS0uJxZwfdPYy87ya97AiVhNr-MI,15685 +charset_normalizer/assets/__init__.py,sha256=JTs2XX9qbYSBhS4EEI93IqEOnzzrHhVmX1gp2vKjZdE,6938 +charset_normalizer/assets/__pycache__/__init__.cpython-39.pyc,, +charset_normalizer/cd.py,sha256=_HLe1wgJAifJPl4dlBctjK5yIvH0ja67jePw36OrrhI,9223 +charset_normalizer/cli/__init__.py,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +charset_normalizer/cli/__pycache__/__init__.cpython-39.pyc,, +charset_normalizer/cli/__pycache__/normalizer.cpython-39.pyc,, +charset_normalizer/cli/normalizer.py,sha256=HWLuXnvQa12U2zjv6rXtashpNnxgxN3lZtVCnqHjIFQ,8334 +charset_normalizer/constant.py,sha256=YA8r7rNGeuLlnqWLs2MISs1mFLmaralG99HNevHuUuo,18390 +charset_normalizer/legacy.py,sha256=L3Qn-DSLjRQoYPtDIzkXcqO0mnFIjOl0p6-gAzYUY54,1640 +charset_normalizer/md.py,sha256=m3XxcK9UhsSCFK7-vrOU6ztn-eaeXKLuS8dP88QY6zw,16263 +charset_normalizer/models.py,sha256=A7vIN3PCJuM1KMDBs60Gb_WF1lHJsrkrllc5_RMV-nE,12541 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a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/entry_points.txt new file mode 100644 index 0000000..a67f60b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +normalizer = charset_normalizer.cli.normalizer:cli_detect + diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/top_level.txt new file mode 100644 index 0000000..66958f0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer-2.0.4.dist-info/top_level.txt @@ -0,0 +1 @@ +charset_normalizer diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/__init__.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/__init__.py new file mode 100644 index 0000000..f14a90b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/__init__.py @@ -0,0 +1,31 @@ +""" +Charset-Normalizer +~~~~~~~~~~~~~~ +The Real First Universal Charset Detector. +A library that helps you read text from an unknown charset encoding. +Motivated by chardet, This package is trying to resolve the issue by taking a new approach. +All IANA character set names for which the Python core library provides codecs are supported. + +Basic usage: + >>> from charset_normalizer import from_bytes + >>> results = from_bytes('Bсеки човек има право на образование. Oбразованието трябва да бъде безплатно, поне що се отнася до началното и основното образование.'.encode('utf_8')) + >>> "utf_8" in results + True + >>> best_result = results.best() + >>> str(best_result) + 'Bсеки човек има право на образование. Oбразованието трябва да бъде безплатно, поне що се отнася до началното и основното образование.' + +Others methods and usages are available - see the full documentation +at . +:copyright: (c) 2021 by Ahmed TAHRI +:license: MIT, see LICENSE for more details. +""" +from charset_normalizer.api import from_fp, from_path, from_bytes, normalize +from charset_normalizer.legacy import detect +from charset_normalizer.version import __version__, VERSION +from charset_normalizer.models import CharsetMatch, CharsetMatches + +# Backward-compatible v1 imports +from charset_normalizer.models import CharsetNormalizerMatch +import charset_normalizer.api as CharsetDetector +CharsetNormalizerMatches = CharsetDetector diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/api.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/api.py new file mode 100644 index 0000000..fd02340 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/api.py @@ -0,0 +1,427 @@ +from os.path import splitext, basename +from typing import List, BinaryIO, Optional, Set, Union + +try: + from os import PathLike +except ImportError: + PathLike = Union[str, 'os.PathLike[str]'] # type: ignore + +from charset_normalizer.constant import TOO_SMALL_SEQUENCE, TOO_BIG_SEQUENCE, IANA_SUPPORTED +from charset_normalizer.md import mess_ratio +from charset_normalizer.models import CharsetMatches, CharsetMatch +from warnings import warn +import logging + +from charset_normalizer.utils import any_specified_encoding, is_multi_byte_encoding, identify_sig_or_bom, \ + should_strip_sig_or_bom, is_cp_similar, iana_name +from charset_normalizer.cd import coherence_ratio, encoding_languages, mb_encoding_languages, merge_coherence_ratios + +logger = logging.getLogger("charset_normalizer") +logger.setLevel(logging.DEBUG) + +handler = logging.StreamHandler() +handler.setFormatter(logging.Formatter('%(asctime)s | %(levelname)s | %(message)s')) +logger.addHandler(handler) + + +def from_bytes( + sequences: bytes, + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.2, + cp_isolation: List[str] = None, + cp_exclusion: List[str] = None, + preemptive_behaviour: bool = True, + explain: bool = False +) -> CharsetMatches: + """ + Given a raw bytes sequence, return the best possibles charset usable to render str objects. + If there is no results, it is a strong indicator that the source is binary/not text. + By default, the process will extract 5 blocs of 512o each to assess the mess and coherence of a given sequence. + And will give up a particular code page after 20% of measured mess. Those criteria are customizable at will. + + The preemptive behavior DOES NOT replace the traditional detection workflow, it prioritize a particular code page + but never take it for granted. Can improve the performance. + + You may want to focus your attention to some code page or/and not others, use cp_isolation and cp_exclusion for that + purpose. + + This function will strip the SIG in the payload/sequence every time except on UTF-16, UTF-32. + """ + + if not explain: + logger.setLevel(logging.CRITICAL) + else: + logger.setLevel(logging.INFO) + + length = len(sequences) # type: int + + if length == 0: + logger.warning("Given content is empty, stopping the process very early, returning empty utf_8 str match") + return CharsetMatches( + [ + CharsetMatch( + sequences, + "utf_8", + 0., + False, + [], + "" + ) + ] + ) + + if cp_isolation is not None: + logger.warning('cp_isolation is set. use this flag for debugging purpose. ' + 'limited list of encoding allowed : %s.', + ', '.join(cp_isolation)) + cp_isolation = [iana_name(cp, False) for cp in cp_isolation] + else: + cp_isolation = [] + + if cp_exclusion is not None: + logger.warning( + 'cp_exclusion is set. use this flag for debugging purpose. ' + 'limited list of encoding excluded : %s.', + ', '.join(cp_exclusion)) + cp_exclusion = [iana_name(cp, False) for cp in cp_exclusion] + else: + cp_exclusion = [] + + if length <= (chunk_size * steps): + logger.warning( + 'override steps (%i) and chunk_size (%i) as content does not fit (%i byte(s) given) parameters.', + steps, chunk_size, length) + steps = 1 + chunk_size = length + + if steps > 1 and length / steps < chunk_size: + chunk_size = int(length / steps) + + is_too_small_sequence = len(sequences) < TOO_SMALL_SEQUENCE # type: bool + is_too_large_sequence = len(sequences) >= TOO_BIG_SEQUENCE # type: bool + + if is_too_small_sequence: + warn('Trying to detect encoding from a tiny portion of ({}) byte(s).'.format(length)) + + prioritized_encodings = [] # type: List[str] + + specified_encoding = any_specified_encoding(sequences) if preemptive_behaviour is True else None # type: Optional[str] + + if specified_encoding is not None: + prioritized_encodings.append(specified_encoding) + logger.info('Detected declarative mark in sequence. Priority +1 given for %s.', specified_encoding) + + tested = set() # type: Set[str] + tested_but_hard_failure = [] # type: List[str] + tested_but_soft_failure = [] # type: List[str] + + fallback_ascii = None # type: Optional[CharsetMatch] + fallback_u8 = None # type: Optional[CharsetMatch] + fallback_specified = None # type: Optional[CharsetMatch] + + single_byte_hard_failure_count = 0 # type: int + single_byte_soft_failure_count = 0 # type: int + + results = CharsetMatches() # type: CharsetMatches + + sig_encoding, sig_payload = identify_sig_or_bom(sequences) + + if sig_encoding is not None: + prioritized_encodings.append(sig_encoding) + logger.info('Detected a SIG or BOM mark on first %i byte(s). Priority +1 given for %s.', len(sig_payload), sig_encoding) + + prioritized_encodings.append("ascii") + + if "utf_8" not in prioritized_encodings: + prioritized_encodings.append("utf_8") + + for encoding_iana in prioritized_encodings+IANA_SUPPORTED: + + if cp_isolation and encoding_iana not in cp_isolation: + continue + + if cp_exclusion and encoding_iana in cp_exclusion: + continue + + if encoding_iana in tested: + continue + + tested.add(encoding_iana) + + decoded_payload = None # type: Optional[str] + bom_or_sig_available = sig_encoding == encoding_iana # type: bool + strip_sig_or_bom = bom_or_sig_available and should_strip_sig_or_bom(encoding_iana) # type: bool + + if encoding_iana in {"utf_16", "utf_32"} and bom_or_sig_available is False: + logger.info("Encoding %s wont be tested as-is because it require a BOM. Will try some sub-encoder LE/BE.", encoding_iana) + continue + + try: + is_multi_byte_decoder = is_multi_byte_encoding(encoding_iana) # type: bool + except (ModuleNotFoundError, ImportError): + logger.debug("Encoding %s does not provide an IncrementalDecoder", encoding_iana) + continue + + try: + if is_too_large_sequence and is_multi_byte_decoder is False: + str( + sequences[:int(50e4)] if strip_sig_or_bom is False else sequences[len(sig_payload):int(50e4)], + encoding=encoding_iana + ) + else: + decoded_payload = str( + sequences if strip_sig_or_bom is False else sequences[len(sig_payload):], + encoding=encoding_iana + ) + except UnicodeDecodeError as e: + logger.warning('Code page %s does not fit given bytes sequence at ALL. %s', encoding_iana, str(e)) + tested_but_hard_failure.append(encoding_iana) + if not is_multi_byte_decoder: + single_byte_hard_failure_count += 1 + continue + except LookupError: + tested_but_hard_failure.append(encoding_iana) + if not is_multi_byte_decoder: + single_byte_hard_failure_count += 1 + continue + + similar_soft_failure_test = False # type: bool + + for encoding_soft_failed in tested_but_soft_failure: + if is_cp_similar(encoding_iana, encoding_soft_failed): + similar_soft_failure_test = True + break + + if similar_soft_failure_test: + logger.warning("%s is deemed too similar to code page %s and was consider unsuited already. Continuing!", encoding_iana, encoding_soft_failed) + continue + + r_ = range( + 0 if bom_or_sig_available is False else len(sig_payload), + length, + int(length / steps) + ) + + multi_byte_bonus = is_multi_byte_decoder and decoded_payload is not None and len(decoded_payload) < length # type: bool + + if multi_byte_bonus: + logger.info('Code page %s is a multi byte encoding table and it appear that at least one character was encoded using n-bytes.', encoding_iana) + + max_chunk_gave_up = int(len(r_) / 4) # type: int + + if max_chunk_gave_up < 2: + max_chunk_gave_up = 2 + + early_stop_count = 0 # type: int + + md_chunks = [] # type: List[str] + md_ratios = [] + + for i in r_: + cut_sequence = sequences[i:i + chunk_size] + + if bom_or_sig_available and strip_sig_or_bom is False: + cut_sequence = sig_payload+cut_sequence + + chunk = cut_sequence.decode(encoding_iana, errors="ignore") # type: str + + md_chunks.append(chunk) + + md_ratios.append( + mess_ratio( + chunk, + threshold + ) + ) + + if md_ratios[-1] >= threshold: + early_stop_count += 1 + + if (early_stop_count >= max_chunk_gave_up) or (bom_or_sig_available and strip_sig_or_bom is False): + break + + if md_ratios: + mean_mess_ratio = sum(md_ratios) / len(md_ratios) # type: float + else: + mean_mess_ratio = 0. + + if mean_mess_ratio >= threshold or early_stop_count >= max_chunk_gave_up: + tested_but_soft_failure.append(encoding_iana) + if not is_multi_byte_decoder: + single_byte_soft_failure_count += 1 + logger.warning('%s was excluded because of initial chaos probing. Gave up %i time(s). ' + 'Computed mean chaos is %f %%.', + encoding_iana, + early_stop_count, + round(mean_mess_ratio * 100, ndigits=3)) + # Preparing those fallbacks in case we got nothing. + if encoding_iana in ["ascii", "utf_8", specified_encoding]: + fallback_entry = CharsetMatch( + sequences, + encoding_iana, + threshold, + False, + [], + decoded_payload + ) + if encoding_iana == specified_encoding: + fallback_specified = fallback_entry + elif encoding_iana == "ascii": + fallback_ascii = fallback_entry + else: + fallback_u8 = fallback_entry + continue + + logger.info( + '%s passed initial chaos probing. Mean measured chaos is %f %%', + encoding_iana, + round(mean_mess_ratio * 100, ndigits=3) + ) + + if not is_multi_byte_decoder: + target_languages = encoding_languages(encoding_iana) # type: List[str] + else: + target_languages = mb_encoding_languages(encoding_iana) + + if target_languages: + logger.info("{} should target any language(s) of {}".format(encoding_iana, str(target_languages))) + + cd_ratios = [] + + for chunk in md_chunks: + chunk_languages = coherence_ratio(chunk, 0.1, ",".join(target_languages) if target_languages else None) + + cd_ratios.append( + chunk_languages + ) + + cd_ratios_merged = merge_coherence_ratios(cd_ratios) + + if cd_ratios_merged: + logger.info("We detected language {} using {}".format(cd_ratios_merged, encoding_iana)) + + results.append( + CharsetMatch( + sequences, + encoding_iana, + mean_mess_ratio, + bom_or_sig_available, + cd_ratios_merged, + decoded_payload + ) + ) + + if encoding_iana in [specified_encoding, "ascii", "utf_8"] and mean_mess_ratio < 0.1: + logger.info("%s is most likely the one. Stopping the process.", encoding_iana) + return CharsetMatches( + [results[encoding_iana]] + ) + + if encoding_iana == sig_encoding: + logger.info( + "%s is most likely the one as we detected a BOM or SIG within the beginning of the sequence.", + encoding_iana + ) + return CharsetMatches( + [results[encoding_iana]] + ) + + if results[-1].languages: + logger.info( + "Using %s code page we detected the following languages: %s", + encoding_iana, + results[encoding_iana]._languages + ) + + if len(results) == 0: + if fallback_u8 or fallback_ascii or fallback_specified: + logger.warning("Nothing got out of the detection process. Using ASCII/UTF-8/Specified fallback.") + + if fallback_specified: + logger.warning("%s will be used as a fallback match", fallback_specified.encoding) + results.append(fallback_specified) + elif (fallback_u8 and fallback_ascii is None) or (fallback_u8 and fallback_u8.fingerprint != fallback_ascii.fingerprint): + logger.warning("utf_8 will be used as a fallback match") + results.append(fallback_u8) + elif fallback_ascii: + logger.warning("ascii will be used as a fallback match") + results.append(fallback_ascii) + + return results + + +def from_fp( + fp: BinaryIO, + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.20, + cp_isolation: List[str] = None, + cp_exclusion: List[str] = None, + preemptive_behaviour: bool = True, + explain: bool = False +) -> CharsetMatches: + """ + Same thing than the function from_bytes but using a file pointer that is already ready. + Will not close the file pointer. + """ + return from_bytes( + fp.read(), + steps, + chunk_size, + threshold, + cp_isolation, + cp_exclusion, + preemptive_behaviour, + explain + ) + + +def from_path( + path: PathLike, + steps: int = 5, + chunk_size: int = 512, + threshold: float = 0.20, + cp_isolation: List[str] = None, + cp_exclusion: List[str] = None, + preemptive_behaviour: bool = True, + explain: bool = False +) -> CharsetMatches: + """ + Same thing than the function from_bytes but with one extra step. Opening and reading given file path in binary mode. + Can raise IOError. + """ + with open(path, 'rb') as fp: + return from_fp(fp, steps, chunk_size, threshold, cp_isolation, cp_exclusion, preemptive_behaviour, explain) + + +def normalize(path: PathLike, steps: int = 5, chunk_size: int = 512, threshold: float = 0.20, cp_isolation: List[str] = None, cp_exclusion: List[str] = None, preemptive_behaviour: bool = True) -> CharsetMatch: + """ + Take a (text-based) file path and try to create another file next to it, this time using UTF-8. + """ + results = from_path( + path, + steps, + chunk_size, + threshold, + cp_isolation, + cp_exclusion, + preemptive_behaviour + ) + + filename = basename(path) + target_extensions = list(splitext(filename)) + + if len(results) == 0: + raise IOError('Unable to normalize "{}", no encoding charset seems to fit.'.format(filename)) + + result = results.best() + + target_extensions[0] += '-' + result.encoding # type: ignore + + with open('{}'.format(path.replace(filename, ''.join(target_extensions))), 'wb') as fp: + fp.write( + result.output() # type: ignore + ) + + return result # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/assets/__init__.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/assets/__init__.py new file mode 100644 index 0000000..2d93773 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/assets/__init__.py @@ -0,0 +1,52 @@ +""" +This submodule purpose is to load attached JSON asset. +Will be loaded once per package import / python init. + +The file 'frequencies.json' is mandatory for language/coherence detection. Not having it will weaker considerably +the core detection. +""" +from collections import OrderedDict + + +FREQUENCIES = OrderedDict( + [ + ('English', ['e', 'a', 't', 'i', 'o', 'n', 's', 'r', 'h', 'l', 'd', 'c', 'u', 'm', 'f', 'p', 'g', 'w', 'y', 'b', 'v', 'k', 'x', 'j', 'z', 'q']), + ('German', ['e', 'n', 'i', 'r', 's', 't', 'a', 'd', 'h', 'u', 'l', 'g', 'o', 'c', 'm', 'b', 'f', 'k', 'w', 'z', 'p', 'v', 'ü', 'ä', 'ö', 'j']), + ('French', ['e', 'a', 's', 'n', 'i', 't', 'r', 'l', 'u', 'o', 'd', 'c', 'p', 'm', 'é', 'v', 'g', 'f', 'b', 'h', 'q', 'à', 'x', 'è', 'y', 'j']), + ('Dutch', ['e', 'n', 'a', 'i', 'r', 't', 'o', 'd', 's', 'l', 'g', 'h', 'v', 'm', 'u', 'k', 'c', 'p', 'b', 'w', 'j', 'z', 'f', 'y', 'x', 'ë']), + ('Italian', ['e', 'i', 'a', 'o', 'n', 'l', 't', 'r', 's', 'c', 'd', 'u', 'p', 'm', 'g', 'v', 'f', 'b', 'z', 'h', 'q', 'è', 'à', 'k', 'y', 'ò']), + ('Polish', ['a', 'i', 'o', 'e', 'n', 'r', 'z', 'w', 's', 'c', 't', 'k', 'y', 'd', 'p', 'm', 'u', 'l', 'j', 'ł', 'g', 'b', 'h', 'ą', 'ę', 'ó']), + ('Spanish', ['e', 'a', 'o', 'n', 's', 'r', 'i', 'l', 'd', 't', 'c', 'u', 'm', 'p', 'b', 'g', 'v', 'f', 'y', 'ó', 'h', 'q', 'í', 'j', 'z', 'á']), + ('Russian', ['о', 'а', 'е', 'и', 'н', 'с', 'т', 'р', 'в', 'л', 'к', 'м', 'д', 'п', 'у', 'г', 'я', 'ы', 'з', 'б', 'й', 'ь', 'ч', 'х', 'ж', 'ц']), + ('Japanese', ['の', 'に', 'る', 'た', 'は', 'ー', 'と', 'し', 'を', 'で', 'て', 'が', 'い', 'ン', 'れ', 'な', '年', 'ス', 'っ', 'ル', 'か', 'ら', 'あ', 'さ', 'も', 'り']), + ('Portuguese', ['a', 'e', 'o', 's', 'i', 'r', 'd', 'n', 't', 'm', 'u', 'c', 'l', 'p', 'g', 'v', 'b', 'f', 'h', 'ã', 'q', 'é', 'ç', 'á', 'z', 'í']), + ('Swedish', ['e', 'a', 'n', 'r', 't', 's', 'i', 'l', 'd', 'o', 'm', 'k', 'g', 'v', 'h', 'f', 'u', 'p', 'ä', 'c', 'b', 'ö', 'å', 'y', 'j', 'x']), + ('Chinese', ['的', '一', '是', '不', '了', '在', '人', '有', '我', '他', '这', '个', '们', '中', '来', '上', '大', '为', '和', '国', '地', '到', '以', '说', '时', '要', '就', '出', '会']), + ('Ukrainian', ['о', 'а', 'н', 'і', 'и', 'р', 'в', 'т', 'е', 'с', 'к', 'л', 'у', 'д', 'м', 'п', 'з', 'я', 'ь', 'б', 'г', 'й', 'ч', 'х', 'ц', 'ї']), + ('Norwegian', ['e', 'r', 'n', 't', 'a', 's', 'i', 'o', 'l', 'd', 'g', 'k', 'm', 'v', 'f', 'p', 'u', 'b', 'h', 'å', 'y', 'j', 'ø', 'c', 'æ', 'w']), + ('Finnish', ['a', 'i', 'n', 't', 'e', 's', 'l', 'o', 'u', 'k', 'ä', 'm', 'r', 'v', 'j', 'h', 'p', 'y', 'd', 'ö', 'g', 'c', 'b', 'f', 'w', 'z']), + ('Vietnamese', ['n', 'h', 't', 'i', 'c', 'g', 'a', 'o', 'u', 'm', 'l', 'r', 'à', 'đ', 's', 'e', 'v', 'p', 'b', 'y', 'ư', 'd', 'á', 'k', 'ộ', 'ế']), + ('Czech', ['o', 'e', 'a', 'n', 't', 's', 'i', 'l', 'v', 'r', 'k', 'd', 'u', 'm', 'p', 'í', 'c', 'h', 'z', 'á', 'y', 'j', 'b', 'ě', 'é', 'ř']), + ('Hungarian', ['e', 'a', 't', 'l', 's', 'n', 'k', 'r', 'i', 'o', 'z', 'á', 'é', 'g', 'm', 'b', 'y', 'v', 'd', 'h', 'u', 'p', 'j', 'ö', 'f', 'c']), + ('Korean', ['이', '다', '에', '의', '는', '로', '하', '을', '가', '고', '지', '서', '한', '은', '기', '으', '년', '대', '사', '시', '를', '리', '도', '인', '스', '일']), + ('Indonesian', ['a', 'n', 'e', 'i', 'r', 't', 'u', 's', 'd', 'k', 'm', 'l', 'g', 'p', 'b', 'o', 'h', 'y', 'j', 'c', 'w', 'f', 'v', 'z', 'x', 'q']), + ('Turkish', ['a', 'e', 'i', 'n', 'r', 'l', 'ı', 'k', 'd', 't', 's', 'm', 'y', 'u', 'o', 'b', 'ü', 'ş', 'v', 'g', 'z', 'h', 'c', 'p', 'ç', 'ğ']), + ('Romanian', ['e', 'i', 'a', 'r', 'n', 't', 'u', 'l', 'o', 'c', 's', 'd', 'p', 'm', 'ă', 'f', 'v', 'î', 'g', 'b', 'ș', 'ț', 'z', 'h', 'â', 'j']), + ('Farsi', ['ا', 'ی', 'ر', 'د', 'ن', 'ه', 'و', 'م', 'ت', 'ب', 'س', 'ل', 'ک', 'ش', 'ز', 'ف', 'گ', 'ع', 'خ', 'ق', 'ج', 'آ', 'پ', 'ح', 'ط', 'ص']), + ('Arabic', ['ا', 'ل', 'ي', 'م', 'و', 'ن', 'ر', 'ت', 'ب', 'ة', 'ع', 'د', 'س', 'ف', 'ه', 'ك', 'ق', 'أ', 'ح', 'ج', 'ش', 'ط', 'ص', 'ى', 'خ', 'إ']), + ('Danish', ['e', 'r', 'n', 't', 'a', 'i', 's', 'd', 'l', 'o', 'g', 'm', 'k', 'f', 'v', 'u', 'b', 'h', 'p', 'å', 'y', 'ø', 'æ', 'c', 'j', 'w']), + ('Serbian', ['а', 'и', 'о', 'е', 'н', 'р', 'с', 'у', 'т', 'к', 'ј', 'в', 'д', 'м', 'п', 'л', 'г', 'з', 'б', 'a', 'i', 'e', 'o', 'n', 'ц', 'ш']), + ('Lithuanian', ['i', 'a', 's', 'o', 'r', 'e', 't', 'n', 'u', 'k', 'm', 'l', 'p', 'v', 'd', 'j', 'g', 'ė', 'b', 'y', 'ų', 'š', 'ž', 'c', 'ą', 'į']), + ('Slovene', ['e', 'a', 'i', 'o', 'n', 'r', 's', 'l', 't', 'j', 'v', 'k', 'd', 'p', 'm', 'u', 'z', 'b', 'g', 'h', 'č', 'c', 'š', 'ž', 'f', 'y']), + ('Slovak', ['o', 'a', 'e', 'n', 'i', 'r', 'v', 't', 's', 'l', 'k', 'd', 'm', 'p', 'u', 'c', 'h', 'j', 'b', 'z', 'á', 'y', 'ý', 'í', 'č', 'é']), + ('Hebrew', ['י', 'ו', 'ה', 'ל', 'ר', 'ב', 'ת', 'מ', 'א', 'ש', 'נ', 'ע', 'ם', 'ד', 'ק', 'ח', 'פ', 'ס', 'כ', 'ג', 'ט', 'צ', 'ן', 'ז', 'ך']), + ('Bulgarian', ['а', 'и', 'о', 'е', 'н', 'т', 'р', 'с', 'в', 'л', 'к', 'д', 'п', 'м', 'з', 'г', 'я', 'ъ', 'у', 'б', 'ч', 'ц', 'й', 'ж', 'щ', 'х']), + ('Croatian', ['a', 'i', 'o', 'e', 'n', 'r', 'j', 's', 't', 'u', 'k', 'l', 'v', 'd', 'm', 'p', 'g', 'z', 'b', 'c', 'č', 'h', 'š', 'ž', 'ć', 'f']), + ('Hindi', ['क', 'र', 'स', 'न', 'त', 'म', 'ह', 'प', 'य', 'ल', 'व', 'ज', 'द', 'ग', 'ब', 'श', 'ट', 'अ', 'ए', 'थ', 'भ', 'ड', 'च', 'ध', 'ष', 'इ']), + ('Estonian', ['a', 'i', 'e', 's', 't', 'l', 'u', 'n', 'o', 'k', 'r', 'd', 'm', 'v', 'g', 'p', 'j', 'h', 'ä', 'b', 'õ', 'ü', 'f', 'c', 'ö', 'y']), + ('Simple English', ['e', 'a', 't', 'i', 'o', 'n', 's', 'r', 'h', 'l', 'd', 'c', 'm', 'u', 'f', 'p', 'g', 'w', 'b', 'y', 'v', 'k', 'j', 'x', 'z', 'q']), + ('Thai', ['า', 'น', 'ร', 'อ', 'ก', 'เ', 'ง', 'ม', 'ย', 'ล', 'ว', 'ด', 'ท', 'ส', 'ต', 'ะ', 'ป', 'บ', 'ค', 'ห', 'แ', 'จ', 'พ', 'ช', 'ข', 'ใ']), + ('Greek', ['α', 'τ', 'ο', 'ι', 'ε', 'ν', 'ρ', 'σ', 'κ', 'η', 'π', 'ς', 'υ', 'μ', 'λ', 'ί', 'ό', 'ά', 'γ', 'έ', 'δ', 'ή', 'ω', 'χ', 'θ', 'ύ']), + ('Tamil', ['க', 'த', 'ப', 'ட', 'ர', 'ம', 'ல', 'ன', 'வ', 'ற', 'ய', 'ள', 'ச', 'ந', 'இ', 'ண', 'அ', 'ஆ', 'ழ', 'ங', 'எ', 'உ', 'ஒ', 'ஸ']), + ('Classical Chinese', ['之', '年', '為', '也', '以', '一', '人', '其', '者', '國', '有', '二', '十', '於', '曰', '三', '不', '大', '而', '子', '中', '五', '四'])] +) diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cd.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cd.py new file mode 100644 index 0000000..c4fc1ba --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cd.py @@ -0,0 +1,261 @@ +from codecs import IncrementalDecoder +from functools import lru_cache +from typing import List, Set, Optional, Tuple, Dict +import importlib + +from charset_normalizer.models import CoherenceMatches +from charset_normalizer.utils import unicode_range, is_unicode_range_secondary, is_multi_byte_encoding +from charset_normalizer.md import is_suspiciously_successive_range +from charset_normalizer.assets import FREQUENCIES +from collections import Counter + + +def encoding_unicode_range(iana_name: str) -> List[str]: + """ + Return associated unicode ranges in a single byte code page. + """ + if is_multi_byte_encoding(iana_name): + raise IOError("Function not supported on multi-byte code page") + + decoder = importlib.import_module('encodings.{}'.format(iana_name)).IncrementalDecoder # type: ignore + + p = decoder(errors="ignore") # type: IncrementalDecoder + seen_ranges = set() # type: Set[str] + + for i in range(48, 255): + chunk = p.decode( + bytes([i]) + ) # type: str + + if chunk: + character_range = unicode_range(chunk) # type: Optional[str] + + if character_range is None: + continue + + if is_unicode_range_secondary(character_range) is False: + seen_ranges.add(character_range) + + return sorted(list(seen_ranges)) + + +def unicode_range_languages(primary_range: str) -> List[str]: + """ + Return inferred languages used with a unicode range. + """ + languages = [] # type: List[str] + + for language, characters in FREQUENCIES.items(): + for character in characters: + if unicode_range(character) == primary_range: + languages.append(language) + break + + return languages + + +@lru_cache() +def encoding_languages(iana_name: str) -> List[str]: + """ + Single-byte encoding language association. Some code page are heavily linked to particular language(s). + This function does the correspondence. + """ + unicode_ranges = encoding_unicode_range(iana_name) # type: List[str] + primary_range = None # type: Optional[str] + + for specified_range in unicode_ranges: + if "Latin" not in specified_range: + primary_range = specified_range + break + + if primary_range is None: + return ["Latin Based"] + + return unicode_range_languages(primary_range) + + +def mb_encoding_languages(iana_name: str) -> List[str]: + """ + Multi-byte encoding language association. Some code page are heavily linked to particular language(s). + This function does the correspondence. + """ + if iana_name.startswith("shift_") or iana_name.startswith("iso2022_jp") or iana_name.startswith("euc_j") or iana_name in {"cp932"}: + return ["Japanese"] + if iana_name.startswith("gb") or iana_name in {"big5", "cp950", "big5hkscs"}: + return ["Chinese", "Classical Chinese"] + if iana_name.startswith("iso2022_kr") or iana_name in {"johab", "cp949", "euc_kr"}: + return ["Korean"] + + return [] + + +def alphabet_languages(characters: List[str]) -> List[str]: + """ + Return associated languages associated to given characters. + """ + languages = [] # type: List[str] + + for language, language_characters in FREQUENCIES.items(): + character_match_count = 0 # type: int + character_count = len(language_characters) # type: int + + for character in language_characters: + if character in characters: + character_match_count += 1 + + if character_match_count / character_count >= 0.2: + languages.append(language) + + return languages + + +def characters_popularity_compare(language: str, ordered_characters: List[str]) -> float: + """ + Determine if a ordered characters list (by occurrence from most appearance to rarest) match a particular language. + The result is a ratio between 0. (absolutely no correspondence) and 1. (near perfect fit). + Beware that is function is not strict on the match in order to ease the detection. (Meaning close match is 1.) + """ + if language not in FREQUENCIES: + raise ValueError("{} not available".format(language)) + + character_approved_count = 0 # type: int + + for character in ordered_characters: + if character not in FREQUENCIES[language]: + continue + + characters_before_source = FREQUENCIES[language][0:FREQUENCIES[language].index(character)] # type: List[str] + characters_after_source = FREQUENCIES[language][FREQUENCIES[language].index(character):] # type: List[str] + + characters_before = ordered_characters[0:ordered_characters.index(character)] # type: List[str] + characters_after = ordered_characters[ordered_characters.index(character):] # type: List[str] + + before_match_count = [e in characters_before for e in characters_before_source].count(True) # type: int + after_match_count = [e in characters_after for e in characters_after_source].count(True) # type: int + + if len(characters_before_source) == 0 and before_match_count <= 4: + character_approved_count += 1 + continue + + if len(characters_after_source) == 0 and after_match_count <= 4: + character_approved_count += 1 + continue + + if before_match_count / len(characters_before_source) >= 0.4 or after_match_count / len(characters_after_source) >= 0.4: + character_approved_count += 1 + continue + + return character_approved_count / len(ordered_characters) + + +def alpha_unicode_split(decoded_sequence: str) -> List[str]: + """ + Given a decoded text sequence, return a list of str. Unicode range / alphabet separation. + Ex. a text containing English/Latin with a bit a Hebrew will return two items in the resulting list; + One containing the latin letters and the other hebrew. + """ + layers = {} # type: Dict[str, str] + + for character in decoded_sequence: + if character.isalpha() is False: + continue + + character_range = unicode_range(character) # type: str + + layer_target_range = None # type: Optional[str] + + for discovered_range in layers: + if is_suspiciously_successive_range(discovered_range, character_range) is False: + layer_target_range = discovered_range + break + + if layer_target_range is None: + layer_target_range = character_range + + if layer_target_range not in layers: + layers[layer_target_range] = character.lower() + continue + + layers[layer_target_range] += character.lower() + + return list(layers.values()) + + +def merge_coherence_ratios(results: List[CoherenceMatches]) -> CoherenceMatches: + """ + This function merge results previously given by the function coherence_ratio. + The return type is the same as coherence_ratio. + """ + per_language_ratios = {} # type: Dict[str, List[float]] + merge = [] # type: CoherenceMatches + + for result in results: + for sub_result in result: + language, ratio = sub_result + if language not in per_language_ratios: + per_language_ratios[language] = [ratio] + continue + per_language_ratios[language].append( + ratio + ) + + for language in per_language_ratios: + merge.append( + ( + language, + round( + sum( + per_language_ratios[language] + ) / len(per_language_ratios[language]), + 4 + ) + ) + ) + + return sorted(merge, key=lambda x: x[1], reverse=True) + + +@lru_cache(maxsize=2048) +def coherence_ratio(decoded_sequence: str, threshold: float = 0.1, lg_inclusion: Optional[str] = None) -> CoherenceMatches: + """ + Detect ANY language that can be identified in given sequence. The sequence will be analysed by layers. + A layer = Character extraction by alphabets/ranges. + """ + + results = [] # type: List[Tuple[str, float]] + + sufficient_match_count = 0 # type: int + + if lg_inclusion is not None: + lg_inclusion = lg_inclusion.split(",") + + if lg_inclusion is not None and "Latin Based" in lg_inclusion: + lg_inclusion.remove("Latin Based") + + for layer in alpha_unicode_split(decoded_sequence): + sequence_frequencies = Counter(layer) # type: Counter + most_common = sequence_frequencies.most_common() + + character_count = sum([o for c, o in most_common]) # type: int + + if character_count <= 32: + continue + + popular_character_ordered = [c for c, o in most_common] # type: List[str] + + for language in lg_inclusion or alphabet_languages(popular_character_ordered): + ratio = characters_popularity_compare(language, popular_character_ordered) # type: float + + if ratio < threshold: + continue + elif ratio >= 0.8: + sufficient_match_count += 1 + + results.append( + (language, round(ratio, 4)) + ) + + if sufficient_match_count >= 3: + break + + return sorted(results, key=lambda x: x[1], reverse=True) diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cli/__init__.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cli/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cli/normalizer.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cli/normalizer.py new file mode 100644 index 0000000..c2ae18e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/cli/normalizer.py @@ -0,0 +1,223 @@ +import argparse +import sys +from os.path import abspath +from json import dumps + +from charset_normalizer import from_fp +from charset_normalizer.models import CliDetectionResult +from charset_normalizer.version import __version__ + +from platform import python_version + + +def query_yes_no(question, default="yes"): + """Ask a yes/no question via input() and return their answer. + + "question" is a string that is presented to the user. + "default" is the presumed answer if the user just hits . + It must be "yes" (the default), "no" or None (meaning + an answer is required of the user). + + The "answer" return value is True for "yes" or False for "no". + + Credit goes to (c) https://stackoverflow.com/questions/3041986/apt-command-line-interface-like-yes-no-input + """ + valid = {"yes": True, "y": True, "ye": True, + "no": False, "n": False} + if default is None: + prompt = " [y/n] " + elif default == "yes": + prompt = " [Y/n] " + elif default == "no": + prompt = " [y/N] " + else: + raise ValueError("invalid default answer: '%s'" % default) + + while True: + sys.stdout.write(question + prompt) + choice = input().lower() + if default is not None and choice == '': + return valid[default] + elif choice in valid: + return valid[choice] + else: + sys.stdout.write("Please respond with 'yes' or 'no' " + "(or 'y' or 'n').\n") + + +def cli_detect(argv=None): + """ + CLI assistant using ARGV and ArgumentParser + :param argv: + :return: 0 if everything is fine, anything else equal trouble + """ + parser = argparse.ArgumentParser( + description="The Real First Universal Charset Detector. " + "Discover originating encoding used on text file. " + "Normalize text to unicode." + ) + + parser.add_argument('files', type=argparse.FileType('rb'), nargs='+', help='File(s) to be analysed') + parser.add_argument('-v', '--verbose', action="store_true", default=False, dest='verbose', + help='Display complementary information about file if any. Stdout will contain logs about the detection process.') + parser.add_argument('-a', '--with-alternative', action="store_true", default=False, dest='alternatives', + help='Output complementary possibilities if any. Top-level JSON WILL be a list.') + parser.add_argument('-n', '--normalize', action="store_true", default=False, dest='normalize', + help='Permit to normalize input file. If not set, program does not write anything.') + parser.add_argument('-m', '--minimal', action="store_true", default=False, dest='minimal', + help='Only output the charset detected to STDOUT. Disabling JSON output.') + parser.add_argument('-r', '--replace', action="store_true", default=False, dest='replace', + help='Replace file when trying to normalize it instead of creating a new one.') + parser.add_argument('-f', '--force', action="store_true", default=False, dest='force', + help='Replace file without asking if you are sure, use this flag with caution.') + parser.add_argument('-t', '--threshold', action="store", default=0.1, type=float, dest='threshold', + help="Define a custom maximum amount of chaos allowed in decoded content. 0. <= chaos <= 1.") + parser.add_argument( + "--version", + action="version", + version="Charset-Normalizer {} - Python {}".format(__version__, python_version()), + help="Show version information and exit." + ) + + args = parser.parse_args(argv) + + if args.replace is True and args.normalize is False: + print('Use --replace in addition of --normalize only.', file=sys.stderr) + return 1 + + if args.force is True and args.replace is False: + print('Use --force in addition of --replace only.', file=sys.stderr) + return 1 + + if args.threshold < 0. or args.threshold > 1.: + print('--threshold VALUE should be between 0. AND 1.', file=sys.stderr) + return 1 + + x_ = [] + + for my_file in args.files: + + matches = from_fp( + my_file, + threshold=args.threshold, + explain=args.verbose + ) + + if len(matches) == 0: + print('Unable to identify originating encoding for "{}". {}'.format(my_file.name, 'Maybe try increasing maximum amount of chaos.' if args.threshold < 1. else ''), file=sys.stderr) + x_.append( + CliDetectionResult( + abspath(my_file.name), + None, + [], + [], + "Unknown", + [], + False, + 1., + 0., + None, + True + ) + ) + else: + + r_ = matches.best() + p_ = r_.first() + + x_.append( + CliDetectionResult( + abspath(my_file.name), + p_.encoding, + p_.encoding_aliases, + [cp for cp in p_.could_be_from_charset if cp != p_.encoding], + p_.language, + p_.alphabets, + p_.bom, + p_.percent_chaos, + p_.percent_coherence, + None, + True + ) + ) + + if len(matches) > 1 and args.alternatives: + for el in matches: + if el != p_: + x_.append( + CliDetectionResult( + abspath(my_file.name), + el.encoding, + el.encoding_aliases, + [cp for cp in el.could_be_from_charset if cp != el.encoding], + el.language, + el.alphabets, + el.bom, + el.percent_chaos, + el.percent_coherence, + None, + False + ) + ) + + if args.normalize is True: + + if p_.encoding.startswith('utf') is True: + print('"{}" file does not need to be normalized, as it already came from unicode.'.format(my_file.name), file=sys.stderr) + if my_file.closed is False: + my_file.close() + continue + + o_ = my_file.name.split('.') # type: list[str] + + if args.replace is False: + o_.insert(-1, p_.encoding) + if my_file.closed is False: + my_file.close() + else: + if args.force is False and query_yes_no( + 'Are you sure to normalize "{}" by replacing it ?'.format(my_file.name), 'no') is False: + if my_file.closed is False: + my_file.close() + continue + + try: + x_[0].unicode_path = abspath('./{}'.format('.'.join(o_))) + + with open(x_[0].unicode_path, 'w', encoding='utf-8') as fp: + fp.write( + str(p_) + ) + except IOError as e: + print(str(e), file=sys.stderr) + if my_file.closed is False: + my_file.close() + return 2 + + if my_file.closed is False: + my_file.close() + + if args.minimal is False: + print( + dumps( + [ + el.__dict__ for el in x_ + ] if len(x_) > 1 else x_[0].__dict__, + ensure_ascii=True, + indent=4 + ) + ) + else: + print( + ', '.join( + [ + el.encoding for el in x_ + ] + ) + ) + + return 0 + + +if __name__ == '__main__': + cli_detect() diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/constant.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/constant.py new file mode 100644 index 0000000..c9c9655 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/constant.py @@ -0,0 +1,343 @@ +from codecs import BOM_UTF8, BOM_UTF16_BE, BOM_UTF16_LE, BOM_UTF32_BE, BOM_UTF32_LE +from typing import Dict, List, Union +from encodings.aliases import aliases +from re import compile as re_compile, IGNORECASE +from collections import OrderedDict + +# Contain for each eligible encoding a list of/item bytes SIG/BOM +ENCODING_MARKS = OrderedDict([ + ('utf_8', BOM_UTF8), + ('utf_7', [ + b'\x2b\x2f\x76\x38', + b'\x2b\x2f\x76\x39', + b'\x2b\x2f\x76\x2b', + b'\x2b\x2f\x76\x2f', + b'\x2b\x2f\x76\x38\x2d' + ]), + ('gb18030', b'\x84\x31\x95\x33'), + ('utf_32', [ + BOM_UTF32_BE, + BOM_UTF32_LE + ]), + ('utf_16', [ + BOM_UTF16_BE, + BOM_UTF16_LE + ]), +]) # type: Dict[str, Union[bytes, List[bytes]]] + +TOO_SMALL_SEQUENCE = 32 # type: int +TOO_BIG_SEQUENCE = int(10e6) # type: int + +UTF8_MAXIMAL_ALLOCATION = 1112064 # type: int + +UNICODE_RANGES_COMBINED = {'Control character': range(0, 31+1), 'Basic Latin': range(32, 127+1), 'Latin-1 Supplement': range(128, 255+1), 'Latin Extended-A': range(256, 383+1), 'Latin Extended-B': range(384, 591+1), 'IPA Extensions': range(592, 687+1), 'Spacing Modifier Letters': range(688, 767+1), 'Combining Diacritical Marks': range(768, 879+1), 'Greek and Coptic': range(880, 1023+1), 'Cyrillic': range(1024, 1279+1), 'Cyrillic Supplement': range(1280, 1327+1), 'Armenian': range(1328, 1423+1), 'Hebrew': range(1424, 1535+1), 'Arabic': range(1536, 1791+1), 'Syriac': range(1792, 1871+1), 'Arabic Supplement': range(1872, 1919+1), 'Thaana': range(1920, 1983+1), 'NKo': range(1984, 2047+1), 'Samaritan': range(2048, 2111+1), 'Mandaic': range(2112, 2143+1), 'Syriac Supplement': range(2144, 2159+1), 'Arabic Extended-A': range(2208, 2303+1), 'Devanagari': range(2304, 2431+1), 'Bengali': range(2432, 2559+1), 'Gurmukhi': range(2560, 2687+1), 'Gujarati': range(2688, 2815+1), 'Oriya': range(2816, 2943+1), 'Tamil': range(2944, 3071+1), 'Telugu': range(3072, 3199+1), 'Kannada': range(3200, 3327+1), 'Malayalam': range(3328, 3455+1), 'Sinhala': range(3456, 3583+1), 'Thai': range(3584, 3711+1), 'Lao': range(3712, 3839+1), 'Tibetan': range(3840, 4095+1), 'Myanmar': range(4096, 4255+1), 'Georgian': range(4256, 4351+1), 'Hangul Jamo': range(4352, 4607+1), 'Ethiopic': range(4608, 4991+1), 'Ethiopic Supplement': range(4992, 5023+1), 'Cherokee': range(5024, 5119+1), 'Unified Canadian Aboriginal Syllabics': range(5120, 5759+1), 'Ogham': range(5760, 5791+1), 'Runic': range(5792, 5887+1), 'Tagalog': range(5888, 5919+1), 'Hanunoo': range(5920, 5951+1), 'Buhid': range(5952, 5983+1), 'Tagbanwa': range(5984, 6015+1), 'Khmer': range(6016, 6143+1), 'Mongolian': range(6144, 6319+1), 'Unified Canadian Aboriginal Syllabics Extended': range(6320, 6399+1), 'Limbu': range(6400, 6479+1), 'Tai Le': range(6480, 6527+1), 'New Tai Lue': range(6528, 6623+1), 'Khmer Symbols': range(6624, 6655+1), 'Buginese': range(6656, 6687+1), 'Tai Tham': range(6688, 6831+1), 'Combining Diacritical Marks Extended': range(6832, 6911+1), 'Balinese': range(6912, 7039+1), 'Sundanese': range(7040, 7103+1), 'Batak': range(7104, 7167+1), 'Lepcha': range(7168, 7247+1), 'Ol Chiki': range(7248, 7295+1), 'Cyrillic Extended C': range(7296, 7311+1), 'Sundanese Supplement': range(7360, 7375+1), 'Vedic Extensions': range(7376, 7423+1), 'Phonetic Extensions': range(7424, 7551+1), 'Phonetic Extensions Supplement': range(7552, 7615+1), 'Combining Diacritical Marks Supplement': range(7616, 7679+1), 'Latin Extended Additional': range(7680, 7935+1), 'Greek Extended': range(7936, 8191+1), 'General Punctuation': range(8192, 8303+1), 'Superscripts and Subscripts': range(8304, 8351+1), 'Currency Symbols': range(8352, 8399+1), 'Combining Diacritical Marks for Symbols': range(8400, 8447+1), 'Letterlike Symbols': range(8448, 8527+1), 'Number Forms': range(8528, 8591+1), 'Arrows': range(8592, 8703+1), 'Mathematical Operators': range(8704, 8959+1), 'Miscellaneous Technical': range(8960, 9215+1), 'Control Pictures': range(9216, 9279+1), 'Optical Character Recognition': range(9280, 9311+1), 'Enclosed Alphanumerics': range(9312, 9471+1), 'Box Drawing': range(9472, 9599+1), 'Block Elements': range(9600, 9631+1), 'Geometric Shapes': range(9632, 9727+1), 'Miscellaneous Symbols': range(9728, 9983+1), 'Dingbats': range(9984, 10175+1), 'Miscellaneous Mathematical Symbols-A': range(10176, 10223+1), 'Supplemental Arrows-A': range(10224, 10239+1), 'Braille Patterns': range(10240, 10495+1), 'Supplemental Arrows-B': range(10496, 10623+1), 'Miscellaneous Mathematical Symbols-B': range(10624, 10751+1), 'Supplemental Mathematical Operators': range(10752, 11007+1), 'Miscellaneous Symbols and Arrows': range(11008, 11263+1), 'Glagolitic': range(11264, 11359+1), 'Latin Extended-C': range(11360, 11391+1), 'Coptic': range(11392, 11519+1), 'Georgian Supplement': range(11520, 11567+1), 'Tifinagh': range(11568, 11647+1), 'Ethiopic Extended': range(11648, 11743+1), 'Cyrillic Extended-A': range(11744, 11775+1), 'Supplemental Punctuation': range(11776, 11903+1), 'CJK Radicals Supplement': range(11904, 12031+1), 'Kangxi Radicals': range(12032, 12255+1), 'Ideographic Description Characters': range(12272, 12287+1), 'CJK Symbols and Punctuation': range(12288, 12351+1), 'Hiragana': range(12352, 12447+1), 'Katakana': range(12448, 12543+1), 'Bopomofo': range(12544, 12591+1), 'Hangul Compatibility Jamo': range(12592, 12687+1), 'Kanbun': range(12688, 12703+1), 'Bopomofo Extended': range(12704, 12735+1), 'CJK Strokes': range(12736, 12783+1), 'Katakana Phonetic Extensions': range(12784, 12799+1), 'Enclosed CJK Letters and Months': range(12800, 13055+1), 'CJK Compatibility': range(13056, 13311+1), 'CJK Unified Ideographs Extension A': range(13312, 19903+1), 'Yijing Hexagram Symbols': range(19904, 19967+1), 'CJK Unified Ideographs': range(19968, 40959+1), 'Yi Syllables': range(40960, 42127+1), 'Yi Radicals': range(42128, 42191+1), 'Lisu': range(42192, 42239+1), 'Vai': range(42240, 42559+1), 'Cyrillic Extended-B': range(42560, 42655+1), 'Bamum': range(42656, 42751+1), 'Modifier Tone Letters': range(42752, 42783+1), 'Latin Extended-D': range(42784, 43007+1), 'Syloti Nagri': range(43008, 43055+1), 'Common Indic Number Forms': range(43056, 43071+1), 'Phags-pa': range(43072, 43135+1), 'Saurashtra': range(43136, 43231+1), 'Devanagari Extended': range(43232, 43263+1), 'Kayah Li': range(43264, 43311+1), 'Rejang': range(43312, 43359+1), 'Hangul Jamo Extended-A': range(43360, 43391+1), 'Javanese': range(43392, 43487+1), 'Myanmar Extended-B': range(43488, 43519+1), 'Cham': range(43520, 43615+1), 'Myanmar Extended-A': range(43616, 43647+1), 'Tai Viet': range(43648, 43743+1), 'Meetei Mayek Extensions': range(43744, 43775+1), 'Ethiopic Extended-A': range(43776, 43823+1), 'Latin Extended-E': range(43824, 43887+1), 'Cherokee Supplement': range(43888, 43967+1), 'Meetei Mayek': range(43968, 44031+1), 'Hangul Syllables': range(44032, 55215+1), 'Hangul Jamo Extended-B': range(55216, 55295+1), 'High Surrogates': range(55296, 56191+1), 'High Private Use Surrogates': range(56192, 56319+1), 'Low Surrogates': range(56320, 57343+1), 'Private Use Area': range(57344, 63743+1), 'CJK Compatibility Ideographs': range(63744, 64255+1), 'Alphabetic Presentation Forms': range(64256, 64335+1), 'Arabic Presentation Forms-A': range(64336, 65023+1), 'Variation Selectors': range(65024, 65039+1), 'Vertical Forms': range(65040, 65055+1), 'Combining Half Marks': range(65056, 65071+1), 'CJK Compatibility Forms': range(65072, 65103+1), 'Small Form Variants': range(65104, 65135+1), 'Arabic Presentation Forms-B': range(65136, 65279+1), 'Halfwidth and Fullwidth Forms': range(65280, 65519+1), 'Specials': range(65520, 65535+1), 'Linear B Syllabary': range(65536, 65663+1), 'Linear B Ideograms': range(65664, 65791+1), 'Aegean Numbers': range(65792, 65855+1), 'Ancient Greek Numbers': range(65856, 65935+1), 'Ancient Symbols': range(65936, 65999+1), 'Phaistos Disc': range(66000, 66047+1), 'Lycian': range(66176, 66207+1), 'Carian': range(66208, 66271+1), 'Coptic Epact Numbers': range(66272, 66303+1), 'Old Italic': range(66304, 66351+1), 'Gothic': range(66352, 66383+1), 'Old Permic': range(66384, 66431+1), 'Ugaritic': range(66432, 66463+1), 'Old Persian': range(66464, 66527+1), 'Deseret': range(66560, 66639+1), 'Shavian': range(66640, 66687+1), 'Osmanya': range(66688, 66735+1), 'Osage': range(66736, 66815+1), 'Elbasan': range(66816, 66863+1), 'Caucasian Albanian': range(66864, 66927+1), 'Linear A': range(67072, 67455+1), 'Cypriot Syllabary': range(67584, 67647+1), 'Imperial Aramaic': range(67648, 67679+1), 'Palmyrene': range(67680, 67711+1), 'Nabataean': range(67712, 67759+1), 'Hatran': range(67808, 67839+1), 'Phoenician': range(67840, 67871+1), 'Lydian': range(67872, 67903+1), 'Meroitic Hieroglyphs': range(67968, 67999+1), 'Meroitic Cursive': range(68000, 68095+1), 'Kharoshthi': range(68096, 68191+1), 'Old South Arabian': range(68192, 68223+1), 'Old North Arabian': range(68224, 68255+1), 'Manichaean': range(68288, 68351+1), 'Avestan': range(68352, 68415+1), 'Inscriptional Parthian': range(68416, 68447+1), 'Inscriptional Pahlavi': range(68448, 68479+1), 'Psalter Pahlavi': range(68480, 68527+1), 'Old Turkic': range(68608, 68687+1), 'Old Hungarian': range(68736, 68863+1), 'Rumi Numeral Symbols': range(69216, 69247+1), 'Brahmi': range(69632, 69759+1), 'Kaithi': range(69760, 69839+1), 'Sora Sompeng': range(69840, 69887+1), 'Chakma': range(69888, 69967+1), 'Mahajani': range(69968, 70015+1), 'Sharada': range(70016, 70111+1), 'Sinhala Archaic Numbers': range(70112, 70143+1), 'Khojki': range(70144, 70223+1), 'Multani': range(70272, 70319+1), 'Khudawadi': range(70320, 70399+1), 'Grantha': range(70400, 70527+1), 'Newa': range(70656, 70783+1), 'Tirhuta': range(70784, 70879+1), 'Siddham': range(71040, 71167+1), 'Modi': range(71168, 71263+1), 'Mongolian Supplement': range(71264, 71295+1), 'Takri': range(71296, 71375+1), 'Ahom': range(71424, 71487+1), 'Warang Citi': range(71840, 71935+1), 'Zanabazar Square': range(72192, 72271+1), 'Soyombo': range(72272, 72367+1), 'Pau Cin Hau': range(72384, 72447+1), 'Bhaiksuki': range(72704, 72815+1), 'Marchen': range(72816, 72895+1), 'Masaram Gondi': range(72960, 73055+1), 'Cuneiform': range(73728, 74751+1), 'Cuneiform Numbers and Punctuation': range(74752, 74879+1), 'Early Dynastic Cuneiform': range(74880, 75087+1), 'Egyptian Hieroglyphs': range(77824, 78895+1), 'Anatolian Hieroglyphs': range(82944, 83583+1), 'Bamum Supplement': range(92160, 92735+1), 'Mro': range(92736, 92783+1), 'Bassa Vah': range(92880, 92927+1), 'Pahawh Hmong': range(92928, 93071+1), 'Miao': range(93952, 94111+1), 'Ideographic Symbols and Punctuation': range(94176, 94207+1), 'Tangut': range(94208, 100351+1), 'Tangut Components': range(100352, 101119+1), 'Kana Supplement': range(110592, 110847+1), 'Kana Extended-A': range(110848, 110895+1), 'Nushu': range(110960, 111359+1), 'Duployan': range(113664, 113823+1), 'Shorthand Format Controls': range(113824, 113839+1), 'Byzantine Musical Symbols': range(118784, 119039+1), 'Musical Symbols': range(119040, 119295+1), 'Ancient Greek Musical Notation': range(119296, 119375+1), 'Tai Xuan Jing Symbols': range(119552, 119647+1), 'Counting Rod Numerals': range(119648, 119679+1), 'Mathematical Alphanumeric Symbols': range(119808, 120831+1), 'Sutton SignWriting': range(120832, 121519+1), 'Glagolitic Supplement': range(122880, 122927+1), 'Mende Kikakui': range(124928, 125151+1), 'Adlam': range(125184, 125279+1), 'Arabic Mathematical Alphabetic Symbols': range(126464, 126719+1), 'Mahjong Tiles': range(126976, 127023+1), 'Domino Tiles': range(127024, 127135+1), 'Playing Cards': range(127136, 127231+1), 'Enclosed Alphanumeric Supplement': range(127232, 127487+1), 'Enclosed Ideographic Supplement': range(127488, 127743+1), 'Miscellaneous Symbols and Pictographs': range(127744, 128511+1), 'Emoticons range(Emoji)': range(128512, 128591+1), 'Ornamental Dingbats': range(128592, 128639+1), 'Transport and Map Symbols': range(128640, 128767+1), 'Alchemical Symbols': range(128768, 128895+1), 'Geometric Shapes Extended': range(128896, 129023+1), 'Supplemental Arrows-C': range(129024, 129279+1), 'Supplemental Symbols and Pictographs': range(129280, 129535+1), 'CJK Unified Ideographs Extension B': range(131072, 173791+1), 'CJK Unified Ideographs Extension C': range(173824, 177983+1), 'CJK Unified Ideographs Extension D': range(177984, 178207+1), 'CJK Unified Ideographs Extension E': range(178208, 183983+1), 'CJK Unified Ideographs Extension F': range(183984, 191471+1), 'CJK Compatibility Ideographs Supplement': range(194560, 195103+1), 'Tags': range(917504, 917631+1), 'Variation Selectors Supplement': range(917760, 917999+1)} # type: Dict[str, range] + +UNICODE_SECONDARY_RANGE_KEYWORD = [ + 'Supplement', + 'Extended', + 'Extensions', + 'Modifier', + 'Marks', + 'Punctuation', + 'Symbols', + 'Forms', + 'Operators', + 'Miscellaneous', + 'Drawing', + 'Block', + 'Shapes', + 'Supplemental', + 'Tags' +] # type: List[str] + +RE_POSSIBLE_ENCODING_INDICATION = re_compile( + r'(?:(?:encoding)|(?:charset)|(?:coding))(?:[\:= ]{1,10})(?:[\"\']?)([a-zA-Z0-9\-_]+)(?:[\"\']?)', + IGNORECASE +) + +IANA_SUPPORTED = sorted( + filter( + lambda x: x.endswith("_codec") is False and x not in {"rot_13", "tactis", "mbcs"}, + list(set(aliases.values())) + ) +) # type: List[str] + +IANA_SUPPORTED_COUNT = len(IANA_SUPPORTED) # type: int + +# pre-computed code page that are similar using the function cp_similarity. +IANA_SUPPORTED_SIMILAR = { + "cp037": [ + "cp1026", + "cp1140", + "cp273", + "cp500" + ], + "cp1026": [ + "cp037", + "cp1140", + "cp273", + "cp500" + ], + "cp1125": [ + "cp866" + ], + "cp1140": [ + "cp037", + "cp1026", + "cp273", + "cp500" + ], + "cp1250": [ + "iso8859_2" + ], + "cp1251": [ + "kz1048", + "ptcp154" + ], + "cp1252": [ + "cp1258", + "iso8859_15", + "iso8859_9", + "latin_1" + ], + "cp1253": [ + "iso8859_7" + ], + "cp1254": [ + "cp1258", + "iso8859_15", + "iso8859_9", + "latin_1" + ], + "cp1257": [ + "iso8859_13" + ], + "cp1258": [ + "cp1252", + "cp1254", + "iso8859_9", + "latin_1" + ], + "cp273": [ + "cp037", + "cp1026", + "cp1140", + "cp500" + ], + "cp437": [ + "cp850", + "cp858", + "cp860", + "cp861", + "cp862", + "cp863", + "cp865" + ], + "cp500": [ + "cp037", + "cp1026", + "cp1140", + "cp273" + ], + "cp850": [ + "cp437", + "cp857", + "cp858", + "cp865" + ], + "cp857": [ + "cp850", + "cp858", + "cp865" + ], + "cp858": [ + "cp437", + "cp850", + "cp857", + "cp865" + ], + "cp860": [ + "cp437", + "cp861", + "cp862", + "cp863", + "cp865" + ], + "cp861": [ + "cp437", + "cp860", + "cp862", + "cp863", + "cp865" + ], + "cp862": [ + "cp437", + "cp860", + "cp861", + "cp863", + "cp865" + ], + "cp863": [ + "cp437", + "cp860", + "cp861", + "cp862", + "cp865" + ], + "cp865": [ + "cp437", + "cp850", + "cp857", + "cp858", + "cp860", + "cp861", + "cp862", + "cp863" + ], + "cp866": [ + "cp1125" + ], + "iso8859_10": [ + "iso8859_14", + "iso8859_15", + "iso8859_4", + "iso8859_9", + "latin_1" + ], + "iso8859_11": [ + "tis_620" + ], + "iso8859_13": [ + "cp1257" + ], + "iso8859_14": [ + "iso8859_10", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1" + ], + "iso8859_15": [ + "cp1252", + "cp1254", + "iso8859_10", + "iso8859_14", + "iso8859_16", + "iso8859_3", + "iso8859_9", + "latin_1" + ], + "iso8859_16": [ + "iso8859_14", + "iso8859_15", + "iso8859_2", + "iso8859_3", + "iso8859_9", + "latin_1" + ], + "iso8859_2": [ + "cp1250", + "iso8859_16", + "iso8859_4" + ], + "iso8859_3": [ + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_9", + "latin_1" + ], + "iso8859_4": [ + "iso8859_10", + "iso8859_2", + "iso8859_9", + "latin_1" + ], + "iso8859_7": [ + "cp1253" + ], + "iso8859_9": [ + "cp1252", + "cp1254", + "cp1258", + "iso8859_10", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_4", + "latin_1" + ], + "kz1048": [ + "cp1251", + "ptcp154" + ], + "latin_1": [ + "cp1252", + "cp1254", + "cp1258", + "iso8859_10", + "iso8859_14", + "iso8859_15", + "iso8859_16", + "iso8859_3", + "iso8859_4", + "iso8859_9" + ], + "mac_iceland": [ + "mac_roman", + "mac_turkish" + ], + "mac_roman": [ + "mac_iceland", + "mac_turkish" + ], + "mac_turkish": [ + "mac_iceland", + "mac_roman" + ], + "ptcp154": [ + "cp1251", + "kz1048" + ], + "tis_620": [ + "iso8859_11" + ] +} # type: Dict[str, List[str]] + + +CHARDET_CORRESPONDENCE = { + 'iso2022_kr': 'ISO-2022-KR', + 'iso2022_jp': 'ISO-2022-JP', + 'euc_kr': 'EUC-KR', + 'tis_620': 'TIS-620', + 'utf_32': 'UTF-32', + 'euc_jp': 'EUC-JP', + 'koi8_r': 'KOI8-R', + 'iso8859_1': 'ISO-8859-1', + 'iso8859_2': 'ISO-8859-2', + 'iso8859_5': 'ISO-8859-5', + 'iso8859_6': 'ISO-8859-6', + 'iso8859_7': 'ISO-8859-7', + 'iso8859_8': 'ISO-8859-8', + 'utf_16': 'UTF-16', + 'cp855': 'IBM855', + 'mac_cyrillic': 'MacCyrillic', + 'gb2312': 'GB2312', + 'gb18030': 'GB18030', + 'cp932': 'CP932', + 'cp866': 'IBM866', + 'utf_8': 'utf-8', + 'utf_8_sig': 'UTF-8-SIG', + 'shift_jis': 'SHIFT_JIS', + 'big5': 'Big5', + 'cp1250': 'windows-1250', + 'cp1251': 'windows-1251', + 'cp1252': 'Windows-1252', + 'cp1253': 'windows-1253', + 'cp1255': 'windows-1255', + 'cp1256': 'windows-1256', + 'cp1254': 'Windows-1254', + 'cp949': 'CP949' +} # type: Dict[str, str] diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/legacy.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/legacy.py new file mode 100644 index 0000000..7b28cb4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/legacy.py @@ -0,0 +1,38 @@ +from charset_normalizer.api import from_bytes +from charset_normalizer.constant import CHARDET_CORRESPONDENCE +from typing import Dict, Optional, Union + + +def detect(byte_str: bytes) -> Dict[str, Optional[Union[str, float]]]: + """ + chardet legacy method + Detect the encoding of the given byte string. It should be mostly backward-compatible. + Encoding name will match Chardet own writing whenever possible. (Not on encoding name unsupported by it) + This function is deprecated and should be used to migrate your project easily, consult the documentation for + further information. Not planned for removal. + + :param byte_str: The byte sequence to examine. + """ + if not isinstance(byte_str, (bytearray, bytes)): + raise TypeError('Expected object of type bytes or bytearray, got: ' + '{0}'.format(type(byte_str))) + + if isinstance(byte_str, bytearray): + byte_str = bytes(byte_str) + + r = from_bytes(byte_str).best() + + encoding = r.encoding if r is not None else None + language = r.language if r is not None and r.language != 'Unknown' else '' + confidence = 1. - r.chaos if r is not None else None + + # Note: CharsetNormalizer does not return 'UTF-8-SIG' as the sig get stripped in the detection/normalization process + # but chardet does return 'utf-8-sig' and it is a valid codec name. + if r is not None and encoding == 'utf_8' and r.bom: + encoding += '_sig' + + return { + 'encoding': encoding if encoding not in CHARDET_CORRESPONDENCE else CHARDET_CORRESPONDENCE[encoding], + 'language': language, + 'confidence': confidence + } diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/md.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/md.py new file mode 100644 index 0000000..ad6d737 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/md.py @@ -0,0 +1,480 @@ +from functools import lru_cache +from typing import Optional, List + +from charset_normalizer.constant import UNICODE_SECONDARY_RANGE_KEYWORD +from charset_normalizer.utils import is_punctuation, is_symbol, unicode_range, is_accentuated, is_latin, \ + remove_accent, is_separator, is_cjk, is_case_variable, is_hangul, is_katakana, is_hiragana, is_ascii, is_thai + + +class MessDetectorPlugin: + """ + Base abstract class used for mess detection plugins. + All detectors MUST extend and implement given methods. + """ + + def eligible(self, character: str) -> bool: + """ + Determine if given character should be fed in. + """ + raise NotImplementedError # pragma: nocover + + def feed(self, character: str) -> None: + """ + The main routine to be executed upon character. + Insert the logic in witch the text would be considered chaotic. + """ + raise NotImplementedError # pragma: nocover + + def reset(self) -> None: + """ + Permit to reset the plugin to the initial state. + """ + raise NotImplementedError # pragma: nocover + + @property + def ratio(self) -> float: + """ + Compute the chaos ratio based on what your feed() has seen. + Must NOT be lower than 0.; No restriction gt 0. + """ + raise NotImplementedError # pragma: nocover + + +class TooManySymbolOrPunctuationPlugin(MessDetectorPlugin): + + def __init__(self): + self._punctuation_count = 0 # type: int + self._symbol_count = 0 # type: int + self._character_count = 0 # type: int + + self._last_printable_char = None # type: Optional[str] + self._frenzy_symbol_in_word = False # type: bool + + def eligible(self, character: str) -> bool: + return character.isprintable() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if character != self._last_printable_char and character not in ["<", ">", "=", ":", "/", "&", ";", "{", "}", "[", "]", ",", "|", '"']: + if is_punctuation(character): + self._punctuation_count += 1 + elif character.isdigit() is False and is_symbol(character): + self._symbol_count += 2 + + self._last_printable_char = character + + def reset(self) -> None: + self._punctuation_count = 0 + self._character_count = 0 + self._symbol_count = 0 + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + + ratio_of_punctuation = (self._punctuation_count + self._symbol_count) / self._character_count # type: float + + return ratio_of_punctuation if ratio_of_punctuation >= 0.3 else 0. + + +class TooManyAccentuatedPlugin(MessDetectorPlugin): + + def __init__(self): + self._character_count = 0 # type: int + self._accentuated_count = 0 # type: int + + def eligible(self, character: str) -> bool: + return character.isalpha() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if is_accentuated(character): + self._accentuated_count += 1 + + def reset(self) -> None: + self._character_count = 0 + self._accentuated_count = 0 + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + ratio_of_accentuation = self._accentuated_count / self._character_count # type: float + return ratio_of_accentuation if ratio_of_accentuation >= 0.35 else 0. + + +class UnprintablePlugin(MessDetectorPlugin): + + def __init__(self): + self._unprintable_count = 0 # type: int + self._character_count = 0 # type: int + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if character not in {'\n', '\t', '\r', '\v'} and character.isprintable() is False: + self._unprintable_count += 1 + self._character_count += 1 + + def reset(self) -> None: + self._unprintable_count = 0 + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + + return (self._unprintable_count * 8) / self._character_count + + +class SuspiciousDuplicateAccentPlugin(MessDetectorPlugin): + + def __init__(self): + self._successive_count = 0 # type: int + self._character_count = 0 # type: int + + self._last_latin_character = None # type: Optional[str] + + def eligible(self, character: str) -> bool: + return character.isalpha() and is_latin(character) + + def feed(self, character: str) -> None: + self._character_count += 1 + if self._last_latin_character is not None: + if is_accentuated(character) and is_accentuated(self._last_latin_character): + if character.isupper() and self._last_latin_character.isupper(): + self._successive_count += 1 + # Worse if its the same char duplicated with different accent. + if remove_accent(character) == remove_accent(self._last_latin_character): + self._successive_count += 1 + self._last_latin_character = character + + def reset(self) -> None: + self._successive_count = 0 + self._character_count = 0 + self._last_latin_character = None + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + + return (self._successive_count * 2) / self._character_count + + +class SuspiciousRange(MessDetectorPlugin): + + def __init__(self): + self._suspicious_successive_range_count = 0 # type: int + self._character_count = 0 # type: int + self._last_printable_seen = None # type: Optional[str] + + def eligible(self, character: str) -> bool: + return character.isprintable() + + def feed(self, character: str) -> None: + self._character_count += 1 + + if character.isspace() or is_punctuation(character): + self._last_printable_seen = None + return + + if self._last_printable_seen is None: + self._last_printable_seen = character + return + + unicode_range_a = unicode_range(self._last_printable_seen) # type: Optional[str] + unicode_range_b = unicode_range(character) # type: Optional[str] + + if is_suspiciously_successive_range(unicode_range_a, unicode_range_b): + self._suspicious_successive_range_count += 1 + + self._last_printable_seen = character + + def reset(self) -> None: + self._character_count = 0 + self._suspicious_successive_range_count = 0 + self._last_printable_seen = None + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + + ratio_of_suspicious_range_usage = (self._suspicious_successive_range_count * 2) / self._character_count # type: float + + if ratio_of_suspicious_range_usage < 0.1: + return 0. + + return ratio_of_suspicious_range_usage + + +class SuperWeirdWordPlugin(MessDetectorPlugin): + + def __init__(self): + self._word_count = 0 # type: int + self._bad_word_count = 0 # type: int + self._is_current_word_bad = False # type: bool + self._foreign_long_watch = False # type: bool + + self._character_count = 0 # type: int + self._bad_character_count = 0 # type: int + + self._buffer = "" # type: str + self._buffer_accent_count = 0 # type: int + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if character.isalpha(): + self._buffer = "".join([self._buffer, character]) + if is_accentuated(character): + self._buffer_accent_count += 1 + if self._foreign_long_watch is False and is_latin(character) is False and is_cjk(character) is False and is_hangul(character) is False and is_katakana(character) is False and is_hiragana(character) is False and is_thai(character) is False: + self._foreign_long_watch = True + return + if not self._buffer: + return + if (character.isspace() or is_punctuation(character) or is_separator(character)) and self._buffer: + self._word_count += 1 + buffer_length = len(self._buffer) # type: int + + self._character_count += buffer_length + + if buffer_length >= 4 and self._buffer_accent_count / buffer_length >= 0.3: + self._is_current_word_bad = True + if buffer_length >= 24 and self._foreign_long_watch: + self._is_current_word_bad = True + + if self._is_current_word_bad: + self._bad_word_count += 1 + self._bad_character_count += len(self._buffer) + self._is_current_word_bad = False + + self._foreign_long_watch = False + self._buffer = "" + self._buffer_accent_count = 0 + elif character not in {"<", ">", "-", "="} and character.isdigit() is False and is_symbol(character): + self._is_current_word_bad = True + self._buffer += character + + def reset(self) -> None: + self._buffer = "" + self._is_current_word_bad = False + self._foreign_long_watch = False + self._bad_word_count = 0 + self._word_count = 0 + self._character_count = 0 + self._bad_character_count = 0 + + @property + def ratio(self) -> float: + if self._word_count <= 10: + return 0. + + return self._bad_character_count / self._character_count + + +class CjkInvalidStopPlugin(MessDetectorPlugin): + """ + GB(Chinese) based encoding often render the stop incorrectly when the content does not fit and can be easily detected. + Searching for the overuse of '丅' and '丄'. + """ + + def __init__(self): + self._wrong_stop_count = 0 # type: int + self._cjk_character_count = 0 # type: int + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + if character in ["丅", "丄"]: + self._wrong_stop_count += 1 + return + if is_cjk(character): + self._cjk_character_count += 1 + + def reset(self) -> None: + self._wrong_stop_count = 0 + self._cjk_character_count = 0 + + @property + def ratio(self) -> float: + if self._cjk_character_count < 16: + return 0. + return self._wrong_stop_count / self._cjk_character_count + + +class ArchaicUpperLowerPlugin(MessDetectorPlugin): + + def __init__(self): + self._buf = False # type: bool + + self._character_count_since_last_sep = 0 # type: int + + self._successive_upper_lower_count = 0 # type: int + self._successive_upper_lower_count_final = 0 # type: int + + self._character_count = 0 # type: int + + self._last_alpha_seen = None # type: Optional[str] + self._current_ascii_only = True # type: bool + + def eligible(self, character: str) -> bool: + return True + + def feed(self, character: str) -> None: + is_concerned = character.isalpha() and is_case_variable(character) + chunk_sep = is_concerned is False + + if chunk_sep and self._character_count_since_last_sep > 0: + if self._character_count_since_last_sep <= 64 and character.isdigit() is False and self._current_ascii_only is False: + self._successive_upper_lower_count_final += self._successive_upper_lower_count + + self._successive_upper_lower_count = 0 + self._character_count_since_last_sep = 0 + self._last_alpha_seen = None + self._buf = False + self._character_count += 1 + self._current_ascii_only = True + + return + + if self._current_ascii_only is True and is_ascii(character) is False: + self._current_ascii_only = False + + if self._last_alpha_seen is not None: + if (character.isupper() and self._last_alpha_seen.islower()) or (character.islower() and self._last_alpha_seen.isupper()): + if self._buf is True: + self._successive_upper_lower_count += 2 + self._buf = False + else: + self._buf = True + else: + self._buf = False + + self._character_count += 1 + self._character_count_since_last_sep += 1 + self._last_alpha_seen = character + + def reset(self) -> None: + self._character_count = 0 + self._character_count_since_last_sep = 0 + self._successive_upper_lower_count = 0 + self._successive_upper_lower_count_final = 0 + self._last_alpha_seen = None + self._buf = False + self._current_ascii_only = True + + @property + def ratio(self) -> float: + if self._character_count == 0: + return 0. + + return self._successive_upper_lower_count_final / self._character_count + + +def is_suspiciously_successive_range(unicode_range_a: Optional[str], unicode_range_b: Optional[str]) -> bool: + """ + Determine if two Unicode range seen next to each other can be considered as suspicious. + """ + if unicode_range_a is None or unicode_range_b is None: + return True + + if unicode_range_a == unicode_range_b: + return False + + if "Latin" in unicode_range_a and "Latin" in unicode_range_b: + return False + + if "Emoticons" in unicode_range_a or "Emoticons" in unicode_range_b: + return False + + keywords_range_a, keywords_range_b = unicode_range_a.split(" "), unicode_range_b.split(" ") + + for el in keywords_range_a: + if el in UNICODE_SECONDARY_RANGE_KEYWORD: + continue + if el in keywords_range_b: + return False + + # Japanese Exception + if unicode_range_a in ['Katakana', 'Hiragana'] and unicode_range_b in ['Katakana', 'Hiragana']: + return False + + if unicode_range_a in ['Katakana', 'Hiragana'] or unicode_range_b in ['Katakana', 'Hiragana']: + if "CJK" in unicode_range_a or "CJK" in unicode_range_b: + return False + + if "Hangul" in unicode_range_a or "Hangul" in unicode_range_b: + if "CJK" in unicode_range_a or "CJK" in unicode_range_b: + return False + if unicode_range_a == "Basic Latin" or unicode_range_b == "Basic Latin": + return False + + # Chinese/Japanese use dedicated range for punctuation and/or separators. + if ('CJK' in unicode_range_a or 'CJK' in unicode_range_b) or (unicode_range_a in ['Katakana', 'Hiragana'] and unicode_range_b in ['Katakana', 'Hiragana']): + if 'Punctuation' in unicode_range_a or 'Punctuation' in unicode_range_b: + return False + if 'Forms' in unicode_range_a or 'Forms' in unicode_range_b: + return False + + return True + + +@lru_cache(maxsize=2048) +def mess_ratio(decoded_sequence: str, maximum_threshold: float = 0.2, debug: bool = False) -> float: + """ + Compute a mess ratio given a decoded bytes sequence. The maximum threshold does stop the computation earlier. + """ + detectors = [] # type: List[MessDetectorPlugin] + + for md_class in MessDetectorPlugin.__subclasses__(): + detectors.append( + md_class() + ) + + length = len(decoded_sequence) # type: int + + mean_mess_ratio = 0. # type: float + + if length < 512: + intermediary_mean_mess_ratio_calc = 32 # type: int + elif length <= 1024: + intermediary_mean_mess_ratio_calc = 64 + else: + intermediary_mean_mess_ratio_calc = 128 + + for character, index in zip(decoded_sequence, range(0, length)): + for detector in detectors: + if detector.eligible(character): + detector.feed(character) + + if (index > 0 and index % intermediary_mean_mess_ratio_calc == 0) or index == length-1: + mean_mess_ratio = sum( + [ + dt.ratio for dt in detectors + ] + ) + + if mean_mess_ratio >= maximum_threshold: + break + + if debug: + for dt in detectors: # pragma: nocover + print( + dt.__class__, + dt.ratio + ) + + return round( + mean_mess_ratio, + 3 + ) + diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/models.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/models.py new file mode 100644 index 0000000..bcea76a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/models.py @@ -0,0 +1,357 @@ +import warnings +from encodings.aliases import aliases +from hashlib import sha256 +from json import dumps +from typing import Optional, List, Tuple, Set +from collections import Counter +from re import sub, compile as re_compile + +from charset_normalizer.constant import TOO_BIG_SEQUENCE +from charset_normalizer.md import mess_ratio +from charset_normalizer.utils import iana_name, is_multi_byte_encoding, unicode_range + + +class CharsetMatch: + def __init__( + self, + payload: bytes, + guessed_encoding: str, + mean_mess_ratio: float, + has_sig_or_bom: bool, + languages: "CoherenceMatches", + decoded_payload: Optional[str] = None + ): + self._payload = payload # type: bytes + + self._encoding = guessed_encoding # type: str + self._mean_mess_ratio = mean_mess_ratio # type: float + self._languages = languages # type: CoherenceMatches + self._has_sig_or_bom = has_sig_or_bom # type: bool + self._unicode_ranges = None # type: Optional[List[str]] + + self._leaves = [] # type: List[CharsetMatch] + self._mean_coherence_ratio = 0. # type: float + + self._output_payload = None # type: Optional[bytes] + self._output_encoding = None # type: Optional[str] + + self._string = decoded_payload # type: Optional[str] + + def __eq__(self, other) -> bool: + if not isinstance(other, CharsetMatch): + raise TypeError('__eq__ cannot be invoked on {} and {}.'.format(str(other.__class__), str(self.__class__))) + return self.encoding == other.encoding and self.fingerprint == other.fingerprint + + def __lt__(self, other) -> bool: + """ + Implemented to make sorted available upon CharsetMatches items. + """ + if not isinstance(other, CharsetMatch): + raise ValueError + + chaos_difference = abs(self.chaos - other.chaos) # type: float + + # Bellow 1% difference --> Use Coherence + if chaos_difference < 0.01: + return self.coherence > other.coherence + + return self.chaos < other.chaos + + @property + def chaos_secondary_pass(self) -> float: + """ + Check once again chaos in decoded text, except this time, with full content. + Use with caution, this can be very slow. + Notice: Will be removed in 3.0 + """ + warnings.warn("chaos_secondary_pass is deprecated and will be removed in 3.0", DeprecationWarning) + return mess_ratio( + str(self), + 1. + ) + + @property + def coherence_non_latin(self) -> float: + """ + Coherence ratio on the first non-latin language detected if ANY. + Notice: Will be removed in 3.0 + """ + warnings.warn("coherence_non_latin is deprecated and will be removed in 3.0", DeprecationWarning) + return 0. + + @property + def w_counter(self) -> Counter: + """ + Word counter instance on decoded text. + Notice: Will be removed in 3.0 + """ + warnings.warn("w_counter is deprecated and will be removed in 3.0", DeprecationWarning) + not_printable_pattern = re_compile(r'[0-9\W\n\r\t]+') + string_printable_only = sub(not_printable_pattern, ' ', str(self).lower()) + + return Counter(string_printable_only.split()) + + def __str__(self) -> str: + # Lazy Str Loading + if self._string is None: + self._string = str(self._payload, self._encoding, "strict") + return self._string + + def __repr__(self) -> str: + return "".format(self.encoding, self.fingerprint) + + def add_submatch(self, other: "CharsetMatch") -> None: + if not isinstance(other, CharsetMatch) or other == self: + raise ValueError("Unable to add instance <{}> as a submatch of a CharsetMatch".format(other.__class__)) + + other._string = None # Unload RAM usage; dirty trick. + self._leaves.append(other) + + @property + def encoding(self) -> str: + return self._encoding + + @property + def encoding_aliases(self) -> List[str]: + """ + Encoding name are known by many name, using this could help when searching for IBM855 when it's listed as CP855. + """ + also_known_as = [] # type: List[str] + for u, p in aliases.items(): + if self.encoding == u: + also_known_as.append(p) + elif self.encoding == p: + also_known_as.append(u) + return also_known_as + + @property + def bom(self) -> bool: + return self._has_sig_or_bom + + @property + def byte_order_mark(self) -> bool: + return self._has_sig_or_bom + + @property + def languages(self) -> List[str]: + """ + Return the complete list of possible languages found in decoded sequence. + Usually not really useful. Returned list may be empty even if 'language' property return something != 'Unknown'. + """ + return [e[0] for e in self._languages] + + @property + def language(self) -> str: + """ + Most probable language found in decoded sequence. If none were detected or inferred, the property will return + "Unknown". + """ + if not self._languages: + # Trying to infer the language based on the given encoding + # Its either English or we should not pronounce ourselves in certain cases. + if "ascii" in self.could_be_from_charset: + return "English" + + # doing it there to avoid circular import + from charset_normalizer.cd import mb_encoding_languages, encoding_languages + + languages = mb_encoding_languages(self.encoding) if is_multi_byte_encoding(self.encoding) else encoding_languages(self.encoding) + + if len(languages) == 0 or "Latin Based" in languages: + return "Unknown" + + return languages[0] + + return self._languages[0][0] + + @property + def chaos(self) -> float: + return self._mean_mess_ratio + + @property + def coherence(self) -> float: + if not self._languages: + return 0. + return self._languages[0][1] + + @property + def percent_chaos(self) -> float: + return round(self.chaos * 100, ndigits=3) + + @property + def percent_coherence(self) -> float: + return round(self.coherence * 100, ndigits=3) + + @property + def raw(self) -> bytes: + """ + Original untouched bytes. + """ + return self._payload + + @property + def submatch(self) -> List["CharsetMatch"]: + return self._leaves + + @property + def has_submatch(self) -> bool: + return len(self._leaves) > 0 + + @property + def alphabets(self) -> List[str]: + if self._unicode_ranges is not None: + return self._unicode_ranges + detected_ranges = set() # type: Set[str] + for character in str(self): + detected_range = unicode_range(character) # type: Optional[str] + if detected_range: + detected_ranges.add( + unicode_range(character) + ) + self._unicode_ranges = sorted(list(detected_ranges)) + return self._unicode_ranges + + @property + def could_be_from_charset(self) -> List[str]: + """ + The complete list of encoding that output the exact SAME str result and therefore could be the originating + encoding. + This list does include the encoding available in property 'encoding'. + """ + return [self._encoding] + [m.encoding for m in self._leaves] + + def first(self) -> "CharsetMatch": + """ + Kept for BC reasons. Will be removed in 3.0. + """ + return self + + def best(self) -> "CharsetMatch": + """ + Kept for BC reasons. Will be removed in 3.0. + """ + return self + + def output(self, encoding: str = "utf_8") -> bytes: + """ + Method to get re-encoded bytes payload using given target encoding. Default to UTF-8. + Any errors will be simply ignored by the encoder NOT replaced. + """ + if self._output_encoding is None or self._output_encoding != encoding: + self._output_encoding = encoding + self._output_payload = str(self).encode(encoding, "replace") + + return self._output_payload # type: ignore + + @property + def fingerprint(self) -> str: + """ + Retrieve the unique SHA256 computed using the transformed (re-encoded) payload. Not the original one. + """ + return sha256(self.output()).hexdigest() + + +class CharsetMatches: + """ + Container with every CharsetMatch items ordered by default from most probable to the less one. + Act like a list(iterable) but does not implements all related methods. + """ + def __init__(self, results: List[CharsetMatch] = None): + self._results = sorted(results) if results else [] # type: List[CharsetMatch] + + def __iter__(self): + for result in self._results: + yield result + + def __getitem__(self, item) -> CharsetMatch: + """ + Retrieve a single item either by its position or encoding name (alias may be used here). + Raise KeyError upon invalid index or encoding not present in results. + """ + if isinstance(item, int): + return self._results[item] + if isinstance(item, str): + item = iana_name(item, False) + for result in self._results: + if item in result.could_be_from_charset: + return result + raise KeyError + + def __len__(self) -> int: + return len(self._results) + + def append(self, item: CharsetMatch) -> None: + """ + Insert a single match. Will be inserted accordingly to preserve sort. + Can be inserted as a submatch. + """ + if not isinstance(item, CharsetMatch): + raise ValueError("Cannot append instance '{}' to CharsetMatches".format(str(item.__class__))) + # We should disable the submatch factoring when the input file is too heavy (conserve RAM usage) + if len(item.raw) <= TOO_BIG_SEQUENCE: + for match in self._results: + if match.fingerprint == item.fingerprint and match.chaos == item.chaos: + match.add_submatch(item) + return + self._results.append(item) + self._results = sorted(self._results) + + def best(self) -> Optional["CharsetMatch"]: + """ + Simply return the first match. Strict equivalent to matches[0]. + """ + if not self._results: + return None + return self._results[0] + + def first(self) -> Optional["CharsetMatch"]: + """ + Redundant method, call the method best(). Kept for BC reasons. + """ + return self.best() + + +CoherenceMatch = Tuple[str, float] +CoherenceMatches = List[CoherenceMatch] + + +class CliDetectionResult: + + def __init__(self, path: str, encoding: str, encoding_aliases: List[str], alternative_encodings: List[str], language: str, alphabets: List[str], has_sig_or_bom: bool, chaos: float, coherence: float, unicode_path: Optional[str], is_preferred: bool): + self.path = path # type: str + self.unicode_path = unicode_path # type: Optional[str] + self.encoding = encoding # type: str + self.encoding_aliases = encoding_aliases # type: List[str] + self.alternative_encodings = alternative_encodings # type: List[str] + self.language = language # type: str + self.alphabets = alphabets # type: List[str] + self.has_sig_or_bom = has_sig_or_bom # type: bool + self.chaos = chaos # type: float + self.coherence = coherence # type: float + self.is_preferred = is_preferred # type: bool + + @property + def __dict__(self): + return { + 'path': self.path, + 'encoding': self.encoding, + 'encoding_aliases': self.encoding_aliases, + 'alternative_encodings': self.alternative_encodings, + 'language': self.language, + 'alphabets': self.alphabets, + 'has_sig_or_bom': self.has_sig_or_bom, + 'chaos': self.chaos, + 'coherence': self.coherence, + 'unicode_path': self.unicode_path, + 'is_preferred': self.is_preferred + } + + def to_json(self) -> str: + return dumps( + self.__dict__, + ensure_ascii=True, + indent=4 + ) + + +CharsetNormalizerMatch = CharsetMatch diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/py.typed b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/utils.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/utils.py new file mode 100644 index 0000000..95bb2b1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/utils.py @@ -0,0 +1,301 @@ +try: + import unicodedata2 as unicodedata +except ImportError: + import unicodedata + +from codecs import IncrementalDecoder +from re import findall +from typing import Optional, Tuple, Union, List, Set +import importlib +from _multibytecodec import MultibyteIncrementalDecoder # type: ignore + +from encodings.aliases import aliases +from functools import lru_cache + +from charset_normalizer.constant import UNICODE_RANGES_COMBINED, UNICODE_SECONDARY_RANGE_KEYWORD, \ + RE_POSSIBLE_ENCODING_INDICATION, ENCODING_MARKS, UTF8_MAXIMAL_ALLOCATION, IANA_SUPPORTED_SIMILAR + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_accentuated(character: str) -> bool: + try: + description = unicodedata.name(character) # type: str + except ValueError: + return False + return "WITH GRAVE" in description or "WITH ACUTE" in description or "WITH CEDILLA" in description or "WITH DIAERESIS" in description or "WITH CIRCUMFLEX" in description + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def remove_accent(character: str) -> str: + decomposed = unicodedata.decomposition(character) # type: str + if not decomposed: + return character + + codes = decomposed.split(" ") # type: List[str] + + return chr( + int( + codes[0], + 16 + ) + ) + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def unicode_range(character: str) -> Optional[str]: + """ + Retrieve the Unicode range official name from a single character. + """ + character_ord = ord(character) # type: int + + for range_name, ord_range in UNICODE_RANGES_COMBINED.items(): + if character_ord in ord_range: + return range_name + + return None + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_latin(character: str) -> bool: + try: + description = unicodedata.name(character) # type: str + except ValueError: + return False + return "LATIN" in description + + +def is_ascii(character: str) -> bool: + try: + character.encode("ascii") + except UnicodeEncodeError: + return False + return True + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_punctuation(character: str) -> bool: + character_category = unicodedata.category(character) # type: str + + if "P" in character_category: + return True + + character_range = unicode_range(character) # type: Optional[str] + + if character_range is None: + return False + + return "Punctuation" in character_range + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_symbol(character: str) -> bool: + character_category = unicodedata.category(character) # type: str + + if "S" in character_category or "N" in character_category: + return True + + character_range = unicode_range(character) # type: Optional[str] + + if character_range is None: + return False + + return "Forms" in character_range + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_separator(character: str) -> bool: + if character.isspace() or character in ["｜", "+", ",", ";", "<", ">"]: + return True + + character_category = unicodedata.category(character) # type: str + + return "Z" in character_category + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_case_variable(character: str) -> bool: + return character.islower() != character.isupper() + + +def is_private_use_only(character: str) -> bool: + character_category = unicodedata.category(character) # type: str + + return "Co" == character_category + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_cjk(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "CJK" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_hiragana(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "HIRAGANA" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_katakana(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "KATAKANA" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_hangul(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "HANGUL" in character_name + + +@lru_cache(maxsize=UTF8_MAXIMAL_ALLOCATION) +def is_thai(character: str) -> bool: + try: + character_name = unicodedata.name(character) + except ValueError: + return False + + return "THAI" in character_name + + +@lru_cache(maxsize=len(UNICODE_RANGES_COMBINED)) +def is_unicode_range_secondary(range_name: str) -> bool: + for keyword in UNICODE_SECONDARY_RANGE_KEYWORD: + if keyword in range_name: + return True + + return False + + +def any_specified_encoding(sequence: bytes, search_zone: int = 4096) -> Optional[str]: + """ + Extract using ASCII-only decoder any specified encoding in the first n-bytes. + """ + if not isinstance(sequence, bytes): + raise TypeError + + seq_len = len(sequence) # type: int + + results = findall( + RE_POSSIBLE_ENCODING_INDICATION, + sequence[:seq_len if seq_len <= search_zone else search_zone].decode('ascii', errors='ignore') + ) # type: List[str] + + if len(results) == 0: + return None + + for specified_encoding in results: + specified_encoding = specified_encoding.lower().replace('-', '_') + + for encoding_alias, encoding_iana in aliases.items(): + if encoding_alias == specified_encoding: + return encoding_iana + if encoding_iana == specified_encoding: + return encoding_iana + + return None + + +@lru_cache(maxsize=128) +def is_multi_byte_encoding(name: str) -> bool: + """ + Verify is a specific encoding is a multi byte one based on it IANA name + """ + return name in {"utf_8", "utf_8_sig", "utf_16", "utf_16_be", "utf_16_le", "utf_32", "utf_32_le", "utf_32_be", "utf_7"} or issubclass( + importlib.import_module('encodings.{}'.format(name)).IncrementalDecoder, # type: ignore + MultibyteIncrementalDecoder + ) + + +def identify_sig_or_bom(sequence: bytes) -> Tuple[Optional[str], bytes]: + """ + Identify and extract SIG/BOM in given sequence. + """ + + for iana_encoding in ENCODING_MARKS: + marks = ENCODING_MARKS[iana_encoding] # type: Union[bytes, List[bytes]] + + if isinstance(marks, bytes): + marks = [marks] + + for mark in marks: + if sequence.startswith(mark): + return iana_encoding, mark + + return None, b"" + + +def should_strip_sig_or_bom(iana_encoding: str) -> bool: + return iana_encoding not in {"utf_16", "utf_32"} + + +def iana_name(cp_name: str, strict: bool = True) -> str: + cp_name = cp_name.lower().replace('-', '_') + + for encoding_alias, encoding_iana in aliases.items(): + if cp_name == encoding_alias or cp_name == encoding_iana: + return encoding_iana + + if strict: + raise ValueError("Unable to retrieve IANA for '{}'".format(cp_name)) + + return cp_name + + +def range_scan(decoded_sequence: str) -> List[str]: + ranges = set() # type: Set[str] + + for character in decoded_sequence: + character_range = unicode_range(character) # type: Optional[str] + + if character_range is None: + continue + + ranges.add( + character_range + ) + + return list(ranges) + + +def cp_similarity(iana_name_a: str, iana_name_b: str) -> float: + + if is_multi_byte_encoding(iana_name_a) or is_multi_byte_encoding(iana_name_b): + return 0. + + decoder_a = importlib.import_module('encodings.{}'.format(iana_name_a)).IncrementalDecoder # type: ignore + decoder_b = importlib.import_module('encodings.{}'.format(iana_name_b)).IncrementalDecoder # type: ignore + + id_a = decoder_a(errors="ignore") # type: IncrementalDecoder + id_b = decoder_b(errors="ignore") # type: IncrementalDecoder + + character_match_count = 0 # type: int + + for i in range(0, 255): + to_be_decoded = bytes([i]) # type: bytes + if id_a.decode(to_be_decoded) == id_b.decode(to_be_decoded): + character_match_count += 1 + + return character_match_count / 254 + + +def is_cp_similar(iana_name_a: str, iana_name_b: str) -> bool: + """ + Determine if two code page are at least 80% similar. IANA_SUPPORTED_SIMILAR dict was generated using + the function cp_similarity. + """ + return iana_name_a in IANA_SUPPORTED_SIMILAR and iana_name_b in IANA_SUPPORTED_SIMILAR[iana_name_a] diff --git a/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/version.py b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/version.py new file mode 100644 index 0000000..112ac0c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/charset_normalizer/version.py @@ -0,0 +1,6 @@ +""" +Expose version +""" + +__version__ = "2.0.4" +VERSION = __version__.split('.') diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/LICENSE.rst b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/LICENSE.rst new file mode 100644 index 0000000..d12a849 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/LICENSE.rst @@ -0,0 +1,28 @@ +Copyright 2014 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/METADATA new file mode 100644 index 0000000..7be0832 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/METADATA @@ -0,0 +1,110 @@ +Metadata-Version: 2.1 +Name: click +Version: 8.0.1 +Summary: Composable command line interface toolkit +Home-page: https://palletsprojects.com/p/click/ +Author: Armin Ronacher +Author-email: armin.ronacher@active-4.com +Maintainer: Pallets +Maintainer-email: contact@palletsprojects.com +License: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://click.palletsprojects.com/ +Project-URL: Changes, https://click.palletsprojects.com/changes/ +Project-URL: Source Code, https://github.com/pallets/click/ +Project-URL: Issue Tracker, https://github.com/pallets/click/issues/ +Project-URL: Twitter, https://twitter.com/PalletsTeam +Project-URL: Chat, https://discord.gg/pallets +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Requires-Python: >=3.6 +Description-Content-Type: text/x-rst +Requires-Dist: colorama ; platform_system == "Windows" +Requires-Dist: importlib-metadata ; python_version < "3.8" + +\$ click\_ +========== + +Click is a Python package for creating beautiful command line interfaces +in a composable way with as little code as necessary. It's the "Command +Line Interface Creation Kit". It's highly configurable but comes with +sensible defaults out of the box. + +It aims to make the process of writing command line tools quick and fun +while also preventing any frustration caused by the inability to +implement an intended CLI API. + +Click in three points: + +- Arbitrary nesting of commands +- Automatic help page generation +- Supports lazy loading of subcommands at runtime + + +Installing +---------- + +Install and update using `pip`_: + +.. code-block:: text + + $ pip install -U click + +.. _pip: https://pip.pypa.io/en/stable/quickstart/ + + +A Simple Example +---------------- + +.. code-block:: python + + import click + + @click.command() + @click.option("--count", default=1, help="Number of greetings.") + @click.option("--name", prompt="Your name", help="The person to greet.") + def hello(count, name): + """Simple program that greets NAME for a total of COUNT times.""" + for _ in range(count): + click.echo(f"Hello, {name}!") + + if __name__ == '__main__': + hello() + +.. code-block:: text + + $ python hello.py --count=3 + Your name: Click + Hello, Click! + Hello, Click! + Hello, Click! + + +Donate +------ + +The Pallets organization develops and supports Click and other popular +packages. In order to grow the community of contributors and users, and +allow the maintainers to devote more time to the projects, `please +donate today`_. + +.. _please donate today: https://palletsprojects.com/donate + + +Links +----- + +- Documentation: https://click.palletsprojects.com/ +- Changes: https://click.palletsprojects.com/changes/ +- PyPI Releases: https://pypi.org/project/click/ +- Source Code: https://github.com/pallets/click +- Issue Tracker: https://github.com/pallets/click/issues +- Website: https://palletsprojects.com/p/click +- Twitter: https://twitter.com/PalletsTeam +- Chat: https://discord.gg/pallets + + diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/RECORD new file mode 100644 index 0000000..8a8a402 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/RECORD @@ -0,0 +1,42 @@ +click-8.0.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +click-8.0.1.dist-info/LICENSE.rst,sha256=morRBqOU6FO_4h9C9OctWSgZoigF2ZG18ydQKSkrZY0,1475 +click-8.0.1.dist-info/METADATA,sha256=Q_8tjC_Ps-9OmIDcovMWvqzrNlmYNwJ7yZxyeJ-SIsk,3216 +click-8.0.1.dist-info/RECORD,, +click-8.0.1.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +click-8.0.1.dist-info/WHEEL,sha256=OqRkF0eY5GHssMorFjlbTIq072vpHpF60fIQA6lS9xA,92 +click-8.0.1.dist-info/top_level.txt,sha256=J1ZQogalYS4pphY_lPECoNMfw0HzTSrZglC4Yfwo4xA,6 +click/__init__.py,sha256=TweMqq3qEdmxSl3M_O0H1crtKtd7_oS7PDd0WlLote0,3243 +click/__pycache__/__init__.cpython-39.pyc,, +click/__pycache__/_compat.cpython-39.pyc,, +click/__pycache__/_termui_impl.cpython-39.pyc,, +click/__pycache__/_textwrap.cpython-39.pyc,, +click/__pycache__/_unicodefun.cpython-39.pyc,, +click/__pycache__/_winconsole.cpython-39.pyc,, +click/__pycache__/core.cpython-39.pyc,, +click/__pycache__/decorators.cpython-39.pyc,, +click/__pycache__/exceptions.cpython-39.pyc,, +click/__pycache__/formatting.cpython-39.pyc,, +click/__pycache__/globals.cpython-39.pyc,, +click/__pycache__/parser.cpython-39.pyc,, +click/__pycache__/shell_completion.cpython-39.pyc,, +click/__pycache__/termui.cpython-39.pyc,, +click/__pycache__/testing.cpython-39.pyc,, +click/__pycache__/types.cpython-39.pyc,, +click/__pycache__/utils.cpython-39.pyc,, +click/_compat.py,sha256=P15KQumAZC2F2MFe_JSRbvVOJcNosQfMDrdZq0ReCLM,18814 +click/_termui_impl.py,sha256=3IBc-wR8art7cOIN3y4vQ3ftyCs4GNLMjDcrSalUD9c,23423 +click/_textwrap.py,sha256=10fQ64OcBUMuK7mFvh8363_uoOxPlRItZBmKzRJDgoY,1353 +click/_unicodefun.py,sha256=JKSh1oSwG_zbjAu4TBCa9tQde2P9FiYcf4MBfy5NdT8,3201 +click/_winconsole.py,sha256=5ju3jQkcZD0W27WEMGqmEP4y_crUVzPCqsX_FYb7BO0,7860 +click/core.py,sha256=xYDxID7ShkgY2Lbw7vKOMjP5ImT1NLCTqMJphUicAQ0,111335 +click/decorators.py,sha256=u_Ehdo3PA2nzCoud9z6fGhxwtMI8vVNG_SL8Bl9lsnY,14871 +click/exceptions.py,sha256=7gDaLGuFZBeCNwY9ERMsF2-Z3R9Fvq09Zc6IZSKjseo,9167 +click/formatting.py,sha256=Frf0-5W33-loyY_i9qrwXR8-STnW3m5gvyxLVUdyxyk,9706 +click/globals.py,sha256=9pcmaNfGS1bJV5DoFYhfv51BPeHP8dWaya7rP3kcrY4,1973 +click/parser.py,sha256=x5DbnBV9O8kXiMdJAdtpdTO2eRUXw2ab5PRMLxo0po4,19043 +click/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +click/shell_completion.py,sha256=F0CHHFOP4ulDsYoqTMm9FXih_OVKsg3mzD-XBzMN79c,17881 +click/termui.py,sha256=MJNkEntRiNZvwa0z9SVK0d6X9BvUcFhvxKky5M-kBGY,28809 +click/testing.py,sha256=kLR5Qcny1OlgxaGB3gweTr0gQe1yVlmgQRn2esA2Fz4,16020 +click/types.py,sha256=ngn3qOaHcDvyeMF2UT5QJNNpJAAVrA9BRj4t8x1xOZM,35375 +click/utils.py,sha256=q7xUTlebAnIENo2Uv-REArW_erqGFm_8yMW241mMjzQ,18752 diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/top_level.txt new file mode 100644 index 0000000..dca9a90 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click-8.0.1.dist-info/top_level.txt @@ -0,0 +1 @@ +click diff --git a/backend/mb-env/lib/python3.9/site-packages/click/__init__.py b/backend/mb-env/lib/python3.9/site-packages/click/__init__.py new file mode 100644 index 0000000..9e0afb2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/__init__.py @@ -0,0 +1,75 @@ +""" +Click is a simple Python module inspired by the stdlib optparse to make +writing command line scripts fun. Unlike other modules, it's based +around a simple API that does not come with too much magic and is +composable. +""" +from .core import Argument as Argument +from .core import BaseCommand as BaseCommand +from .core import Command as Command +from .core import CommandCollection as CommandCollection +from .core import Context as Context +from .core import Group as Group +from .core import MultiCommand as MultiCommand +from .core import Option as Option +from .core import Parameter as Parameter +from .decorators import argument as argument +from .decorators import command as command +from .decorators import confirmation_option as confirmation_option +from .decorators import group as group +from .decorators import help_option as help_option +from .decorators import make_pass_decorator as make_pass_decorator +from .decorators import option as option +from .decorators import pass_context as pass_context +from .decorators import pass_obj as pass_obj +from .decorators import password_option as password_option +from .decorators import version_option as version_option +from .exceptions import Abort as Abort +from .exceptions import BadArgumentUsage as BadArgumentUsage +from .exceptions import BadOptionUsage as BadOptionUsage +from .exceptions import BadParameter as BadParameter +from .exceptions import ClickException as ClickException +from .exceptions import FileError as FileError +from .exceptions import MissingParameter as MissingParameter +from .exceptions import NoSuchOption as NoSuchOption +from .exceptions import UsageError as UsageError +from .formatting import HelpFormatter as HelpFormatter +from .formatting import wrap_text as wrap_text +from .globals import get_current_context as get_current_context +from .parser import OptionParser as OptionParser +from .termui import clear as clear +from .termui import confirm as confirm +from .termui import echo_via_pager as echo_via_pager +from .termui import edit as edit +from .termui import get_terminal_size as get_terminal_size +from .termui import getchar as getchar +from .termui import launch as launch +from .termui import pause as pause +from .termui import progressbar as progressbar +from .termui import prompt as prompt +from .termui import secho as secho +from .termui import style as style +from .termui import unstyle as unstyle +from .types import BOOL as BOOL +from .types import Choice as Choice +from .types import DateTime as DateTime +from .types import File as File +from .types import FLOAT as FLOAT +from .types import FloatRange as FloatRange +from .types import INT as INT +from .types import IntRange as IntRange +from .types import ParamType as ParamType +from .types import Path as Path +from .types import STRING as STRING +from .types import Tuple as Tuple +from .types import UNPROCESSED as UNPROCESSED +from .types import UUID as UUID +from .utils import echo as echo +from .utils import format_filename as format_filename +from .utils import get_app_dir as get_app_dir +from .utils import get_binary_stream as get_binary_stream +from .utils import get_os_args as get_os_args +from .utils import get_text_stream as get_text_stream +from .utils import open_file as open_file + +__version__ = "8.0.1" diff --git a/backend/mb-env/lib/python3.9/site-packages/click/_compat.py b/backend/mb-env/lib/python3.9/site-packages/click/_compat.py new file mode 100644 index 0000000..b9e1f0d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/_compat.py @@ -0,0 +1,627 @@ +import codecs +import io +import os +import re +import sys +import typing as t +from weakref import WeakKeyDictionary + +CYGWIN = sys.platform.startswith("cygwin") +MSYS2 = sys.platform.startswith("win") and ("GCC" in sys.version) +# Determine local App Engine environment, per Google's own suggestion +APP_ENGINE = "APPENGINE_RUNTIME" in os.environ and "Development/" in os.environ.get( + "SERVER_SOFTWARE", "" +) +WIN = sys.platform.startswith("win") and not APP_ENGINE and not MSYS2 +auto_wrap_for_ansi: t.Optional[t.Callable[[t.TextIO], t.TextIO]] = None +_ansi_re = re.compile(r"\033\[[;?0-9]*[a-zA-Z]") + + +def get_filesystem_encoding() -> str: + return sys.getfilesystemencoding() or sys.getdefaultencoding() + + +def _make_text_stream( + stream: t.BinaryIO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, + force_writable: bool = False, +) -> t.TextIO: + if encoding is None: + encoding = get_best_encoding(stream) + if errors is None: + errors = "replace" + return _NonClosingTextIOWrapper( + stream, + encoding, + errors, + line_buffering=True, + force_readable=force_readable, + force_writable=force_writable, + ) + + +def is_ascii_encoding(encoding: str) -> bool: + """Checks if a given encoding is ascii.""" + try: + return codecs.lookup(encoding).name == "ascii" + except LookupError: + return False + + +def get_best_encoding(stream: t.IO) -> str: + """Returns the default stream encoding if not found.""" + rv = getattr(stream, "encoding", None) or sys.getdefaultencoding() + if is_ascii_encoding(rv): + return "utf-8" + return rv + + +class _NonClosingTextIOWrapper(io.TextIOWrapper): + def __init__( + self, + stream: t.BinaryIO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, + force_writable: bool = False, + **extra: t.Any, + ) -> None: + self._stream = stream = t.cast( + t.BinaryIO, _FixupStream(stream, force_readable, force_writable) + ) + super().__init__(stream, encoding, errors, **extra) + + def __del__(self) -> None: + try: + self.detach() + except Exception: + pass + + def isatty(self) -> bool: + # https://bitbucket.org/pypy/pypy/issue/1803 + return self._stream.isatty() + + +class _FixupStream: + """The new io interface needs more from streams than streams + traditionally implement. As such, this fix-up code is necessary in + some circumstances. + + The forcing of readable and writable flags are there because some tools + put badly patched objects on sys (one such offender are certain version + of jupyter notebook). + """ + + def __init__( + self, + stream: t.BinaryIO, + force_readable: bool = False, + force_writable: bool = False, + ): + self._stream = stream + self._force_readable = force_readable + self._force_writable = force_writable + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._stream, name) + + def read1(self, size: int) -> bytes: + f = getattr(self._stream, "read1", None) + + if f is not None: + return t.cast(bytes, f(size)) + + return self._stream.read(size) + + def readable(self) -> bool: + if self._force_readable: + return True + x = getattr(self._stream, "readable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.read(0) + except Exception: + return False + return True + + def writable(self) -> bool: + if self._force_writable: + return True + x = getattr(self._stream, "writable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.write("") # type: ignore + except Exception: + try: + self._stream.write(b"") + except Exception: + return False + return True + + def seekable(self) -> bool: + x = getattr(self._stream, "seekable", None) + if x is not None: + return t.cast(bool, x()) + try: + self._stream.seek(self._stream.tell()) + except Exception: + return False + return True + + +def _is_binary_reader(stream: t.IO, default: bool = False) -> bool: + try: + return isinstance(stream.read(0), bytes) + except Exception: + return default + # This happens in some cases where the stream was already + # closed. In this case, we assume the default. + + +def _is_binary_writer(stream: t.IO, default: bool = False) -> bool: + try: + stream.write(b"") + except Exception: + try: + stream.write("") + return False + except Exception: + pass + return default + return True + + +def _find_binary_reader(stream: t.IO) -> t.Optional[t.BinaryIO]: + # We need to figure out if the given stream is already binary. + # This can happen because the official docs recommend detaching + # the streams to get binary streams. Some code might do this, so + # we need to deal with this case explicitly. + if _is_binary_reader(stream, False): + return t.cast(t.BinaryIO, stream) + + buf = getattr(stream, "buffer", None) + + # Same situation here; this time we assume that the buffer is + # actually binary in case it's closed. + if buf is not None and _is_binary_reader(buf, True): + return t.cast(t.BinaryIO, buf) + + return None + + +def _find_binary_writer(stream: t.IO) -> t.Optional[t.BinaryIO]: + # We need to figure out if the given stream is already binary. + # This can happen because the official docs recommend detaching + # the streams to get binary streams. Some code might do this, so + # we need to deal with this case explicitly. + if _is_binary_writer(stream, False): + return t.cast(t.BinaryIO, stream) + + buf = getattr(stream, "buffer", None) + + # Same situation here; this time we assume that the buffer is + # actually binary in case it's closed. + if buf is not None and _is_binary_writer(buf, True): + return t.cast(t.BinaryIO, buf) + + return None + + +def _stream_is_misconfigured(stream: t.TextIO) -> bool: + """A stream is misconfigured if its encoding is ASCII.""" + # If the stream does not have an encoding set, we assume it's set + # to ASCII. This appears to happen in certain unittest + # environments. It's not quite clear what the correct behavior is + # but this at least will force Click to recover somehow. + return is_ascii_encoding(getattr(stream, "encoding", None) or "ascii") + + +def _is_compat_stream_attr(stream: t.TextIO, attr: str, value: t.Optional[str]) -> bool: + """A stream attribute is compatible if it is equal to the + desired value or the desired value is unset and the attribute + has a value. + """ + stream_value = getattr(stream, attr, None) + return stream_value == value or (value is None and stream_value is not None) + + +def _is_compatible_text_stream( + stream: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] +) -> bool: + """Check if a stream's encoding and errors attributes are + compatible with the desired values. + """ + return _is_compat_stream_attr( + stream, "encoding", encoding + ) and _is_compat_stream_attr(stream, "errors", errors) + + +def _force_correct_text_stream( + text_stream: t.IO, + encoding: t.Optional[str], + errors: t.Optional[str], + is_binary: t.Callable[[t.IO, bool], bool], + find_binary: t.Callable[[t.IO], t.Optional[t.BinaryIO]], + force_readable: bool = False, + force_writable: bool = False, +) -> t.TextIO: + if is_binary(text_stream, False): + binary_reader = t.cast(t.BinaryIO, text_stream) + else: + text_stream = t.cast(t.TextIO, text_stream) + # If the stream looks compatible, and won't default to a + # misconfigured ascii encoding, return it as-is. + if _is_compatible_text_stream(text_stream, encoding, errors) and not ( + encoding is None and _stream_is_misconfigured(text_stream) + ): + return text_stream + + # Otherwise, get the underlying binary reader. + possible_binary_reader = find_binary(text_stream) + + # If that's not possible, silently use the original reader + # and get mojibake instead of exceptions. + if possible_binary_reader is None: + return text_stream + + binary_reader = possible_binary_reader + + # Default errors to replace instead of strict in order to get + # something that works. + if errors is None: + errors = "replace" + + # Wrap the binary stream in a text stream with the correct + # encoding parameters. + return _make_text_stream( + binary_reader, + encoding, + errors, + force_readable=force_readable, + force_writable=force_writable, + ) + + +def _force_correct_text_reader( + text_reader: t.IO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_readable: bool = False, +) -> t.TextIO: + return _force_correct_text_stream( + text_reader, + encoding, + errors, + _is_binary_reader, + _find_binary_reader, + force_readable=force_readable, + ) + + +def _force_correct_text_writer( + text_writer: t.IO, + encoding: t.Optional[str], + errors: t.Optional[str], + force_writable: bool = False, +) -> t.TextIO: + return _force_correct_text_stream( + text_writer, + encoding, + errors, + _is_binary_writer, + _find_binary_writer, + force_writable=force_writable, + ) + + +def get_binary_stdin() -> t.BinaryIO: + reader = _find_binary_reader(sys.stdin) + if reader is None: + raise RuntimeError("Was not able to determine binary stream for sys.stdin.") + return reader + + +def get_binary_stdout() -> t.BinaryIO: + writer = _find_binary_writer(sys.stdout) + if writer is None: + raise RuntimeError("Was not able to determine binary stream for sys.stdout.") + return writer + + +def get_binary_stderr() -> t.BinaryIO: + writer = _find_binary_writer(sys.stderr) + if writer is None: + raise RuntimeError("Was not able to determine binary stream for sys.stderr.") + return writer + + +def get_text_stdin( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stdin, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_reader(sys.stdin, encoding, errors, force_readable=True) + + +def get_text_stdout( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stdout, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_writer(sys.stdout, encoding, errors, force_writable=True) + + +def get_text_stderr( + encoding: t.Optional[str] = None, errors: t.Optional[str] = None +) -> t.TextIO: + rv = _get_windows_console_stream(sys.stderr, encoding, errors) + if rv is not None: + return rv + return _force_correct_text_writer(sys.stderr, encoding, errors, force_writable=True) + + +def _wrap_io_open( + file: t.Union[str, os.PathLike, int], + mode: str, + encoding: t.Optional[str], + errors: t.Optional[str], +) -> t.IO: + """Handles not passing ``encoding`` and ``errors`` in binary mode.""" + if "b" in mode: + return open(file, mode) + + return open(file, mode, encoding=encoding, errors=errors) + + +def open_stream( + filename: str, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + atomic: bool = False, +) -> t.Tuple[t.IO, bool]: + binary = "b" in mode + + # Standard streams first. These are simple because they don't need + # special handling for the atomic flag. It's entirely ignored. + if filename == "-": + if any(m in mode for m in ["w", "a", "x"]): + if binary: + return get_binary_stdout(), False + return get_text_stdout(encoding=encoding, errors=errors), False + if binary: + return get_binary_stdin(), False + return get_text_stdin(encoding=encoding, errors=errors), False + + # Non-atomic writes directly go out through the regular open functions. + if not atomic: + return _wrap_io_open(filename, mode, encoding, errors), True + + # Some usability stuff for atomic writes + if "a" in mode: + raise ValueError( + "Appending to an existing file is not supported, because that" + " would involve an expensive `copy`-operation to a temporary" + " file. Open the file in normal `w`-mode and copy explicitly" + " if that's what you're after." + ) + if "x" in mode: + raise ValueError("Use the `overwrite`-parameter instead.") + if "w" not in mode: + raise ValueError("Atomic writes only make sense with `w`-mode.") + + # Atomic writes are more complicated. They work by opening a file + # as a proxy in the same folder and then using the fdopen + # functionality to wrap it in a Python file. Then we wrap it in an + # atomic file that moves the file over on close. + import errno + import random + + try: + perm: t.Optional[int] = os.stat(filename).st_mode + except OSError: + perm = None + + flags = os.O_RDWR | os.O_CREAT | os.O_EXCL + + if binary: + flags |= getattr(os, "O_BINARY", 0) + + while True: + tmp_filename = os.path.join( + os.path.dirname(filename), + f".__atomic-write{random.randrange(1 << 32):08x}", + ) + try: + fd = os.open(tmp_filename, flags, 0o666 if perm is None else perm) + break + except OSError as e: + if e.errno == errno.EEXIST or ( + os.name == "nt" + and e.errno == errno.EACCES + and os.path.isdir(e.filename) + and os.access(e.filename, os.W_OK) + ): + continue + raise + + if perm is not None: + os.chmod(tmp_filename, perm) # in case perm includes bits in umask + + f = _wrap_io_open(fd, mode, encoding, errors) + af = _AtomicFile(f, tmp_filename, os.path.realpath(filename)) + return t.cast(t.IO, af), True + + +class _AtomicFile: + def __init__(self, f: t.IO, tmp_filename: str, real_filename: str) -> None: + self._f = f + self._tmp_filename = tmp_filename + self._real_filename = real_filename + self.closed = False + + @property + def name(self) -> str: + return self._real_filename + + def close(self, delete: bool = False) -> None: + if self.closed: + return + self._f.close() + os.replace(self._tmp_filename, self._real_filename) + self.closed = True + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._f, name) + + def __enter__(self) -> "_AtomicFile": + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + self.close(delete=exc_type is not None) + + def __repr__(self) -> str: + return repr(self._f) + + +def strip_ansi(value: str) -> str: + return _ansi_re.sub("", value) + + +def _is_jupyter_kernel_output(stream: t.IO) -> bool: + while isinstance(stream, (_FixupStream, _NonClosingTextIOWrapper)): + stream = stream._stream + + return stream.__class__.__module__.startswith("ipykernel.") + + +def should_strip_ansi( + stream: t.Optional[t.IO] = None, color: t.Optional[bool] = None +) -> bool: + if color is None: + if stream is None: + stream = sys.stdin + return not isatty(stream) and not _is_jupyter_kernel_output(stream) + return not color + + +# On Windows, wrap the output streams with colorama to support ANSI +# color codes. +# NOTE: double check is needed so mypy does not analyze this on Linux +if sys.platform.startswith("win") and WIN: + from ._winconsole import _get_windows_console_stream + + def _get_argv_encoding() -> str: + import locale + + return locale.getpreferredencoding() + + _ansi_stream_wrappers: t.MutableMapping[t.TextIO, t.TextIO] = WeakKeyDictionary() + + def auto_wrap_for_ansi( + stream: t.TextIO, color: t.Optional[bool] = None + ) -> t.TextIO: + """Support ANSI color and style codes on Windows by wrapping a + stream with colorama. + """ + try: + cached = _ansi_stream_wrappers.get(stream) + except Exception: + cached = None + + if cached is not None: + return cached + + import colorama + + strip = should_strip_ansi(stream, color) + ansi_wrapper = colorama.AnsiToWin32(stream, strip=strip) + rv = t.cast(t.TextIO, ansi_wrapper.stream) + _write = rv.write + + def _safe_write(s): + try: + return _write(s) + except BaseException: + ansi_wrapper.reset_all() + raise + + rv.write = _safe_write + + try: + _ansi_stream_wrappers[stream] = rv + except Exception: + pass + + return rv + + +else: + + def _get_argv_encoding() -> str: + return getattr(sys.stdin, "encoding", None) or get_filesystem_encoding() + + def _get_windows_console_stream( + f: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] + ) -> t.Optional[t.TextIO]: + return None + + +def term_len(x: str) -> int: + return len(strip_ansi(x)) + + +def isatty(stream: t.IO) -> bool: + try: + return stream.isatty() + except Exception: + return False + + +def _make_cached_stream_func( + src_func: t.Callable[[], t.TextIO], wrapper_func: t.Callable[[], t.TextIO] +) -> t.Callable[[], t.TextIO]: + cache: t.MutableMapping[t.TextIO, t.TextIO] = WeakKeyDictionary() + + def func() -> t.TextIO: + stream = src_func() + try: + rv = cache.get(stream) + except Exception: + rv = None + if rv is not None: + return rv + rv = wrapper_func() + try: + cache[stream] = rv + except Exception: + pass + return rv + + return func + + +_default_text_stdin = _make_cached_stream_func(lambda: sys.stdin, get_text_stdin) +_default_text_stdout = _make_cached_stream_func(lambda: sys.stdout, get_text_stdout) +_default_text_stderr = _make_cached_stream_func(lambda: sys.stderr, get_text_stderr) + + +binary_streams: t.Mapping[str, t.Callable[[], t.BinaryIO]] = { + "stdin": get_binary_stdin, + "stdout": get_binary_stdout, + "stderr": get_binary_stderr, +} + +text_streams: t.Mapping[ + str, t.Callable[[t.Optional[str], t.Optional[str]], t.TextIO] +] = { + "stdin": get_text_stdin, + "stdout": get_text_stdout, + "stderr": get_text_stderr, +} diff --git a/backend/mb-env/lib/python3.9/site-packages/click/_termui_impl.py b/backend/mb-env/lib/python3.9/site-packages/click/_termui_impl.py new file mode 100644 index 0000000..06cf2b7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/_termui_impl.py @@ -0,0 +1,717 @@ +""" +This module contains implementations for the termui module. To keep the +import time of Click down, some infrequently used functionality is +placed in this module and only imported as needed. +""" +import contextlib +import math +import os +import sys +import time +import typing as t +from gettext import gettext as _ + +from ._compat import _default_text_stdout +from ._compat import CYGWIN +from ._compat import get_best_encoding +from ._compat import isatty +from ._compat import open_stream +from ._compat import strip_ansi +from ._compat import term_len +from ._compat import WIN +from .exceptions import ClickException +from .utils import echo + +V = t.TypeVar("V") + +if os.name == "nt": + BEFORE_BAR = "\r" + AFTER_BAR = "\n" +else: + BEFORE_BAR = "\r\033[?25l" + AFTER_BAR = "\033[?25h\n" + + +class ProgressBar(t.Generic[V]): + def __init__( + self, + iterable: t.Optional[t.Iterable[V]], + length: t.Optional[int] = None, + fill_char: str = "#", + empty_char: str = " ", + bar_template: str = "%(bar)s", + info_sep: str = " ", + show_eta: bool = True, + show_percent: t.Optional[bool] = None, + show_pos: bool = False, + item_show_func: t.Optional[t.Callable[[t.Optional[V]], t.Optional[str]]] = None, + label: t.Optional[str] = None, + file: t.Optional[t.TextIO] = None, + color: t.Optional[bool] = None, + update_min_steps: int = 1, + width: int = 30, + ) -> None: + self.fill_char = fill_char + self.empty_char = empty_char + self.bar_template = bar_template + self.info_sep = info_sep + self.show_eta = show_eta + self.show_percent = show_percent + self.show_pos = show_pos + self.item_show_func = item_show_func + self.label = label or "" + if file is None: + file = _default_text_stdout() + self.file = file + self.color = color + self.update_min_steps = update_min_steps + self._completed_intervals = 0 + self.width = width + self.autowidth = width == 0 + + if length is None: + from operator import length_hint + + length = length_hint(iterable, -1) + + if length == -1: + length = None + if iterable is None: + if length is None: + raise TypeError("iterable or length is required") + iterable = t.cast(t.Iterable[V], range(length)) + self.iter = iter(iterable) + self.length = length + self.pos = 0 + self.avg: t.List[float] = [] + self.start = self.last_eta = time.time() + self.eta_known = False + self.finished = False + self.max_width: t.Optional[int] = None + self.entered = False + self.current_item: t.Optional[V] = None + self.is_hidden = not isatty(self.file) + self._last_line: t.Optional[str] = None + + def __enter__(self) -> "ProgressBar": + self.entered = True + self.render_progress() + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + self.render_finish() + + def __iter__(self) -> t.Iterator[V]: + if not self.entered: + raise RuntimeError("You need to use progress bars in a with block.") + self.render_progress() + return self.generator() + + def __next__(self) -> V: + # Iteration is defined in terms of a generator function, + # returned by iter(self); use that to define next(). This works + # because `self.iter` is an iterable consumed by that generator, + # so it is re-entry safe. Calling `next(self.generator())` + # twice works and does "what you want". + return next(iter(self)) + + def render_finish(self) -> None: + if self.is_hidden: + return + self.file.write(AFTER_BAR) + self.file.flush() + + @property + def pct(self) -> float: + if self.finished: + return 1.0 + return min(self.pos / (float(self.length or 1) or 1), 1.0) + + @property + def time_per_iteration(self) -> float: + if not self.avg: + return 0.0 + return sum(self.avg) / float(len(self.avg)) + + @property + def eta(self) -> float: + if self.length is not None and not self.finished: + return self.time_per_iteration * (self.length - self.pos) + return 0.0 + + def format_eta(self) -> str: + if self.eta_known: + t = int(self.eta) + seconds = t % 60 + t //= 60 + minutes = t % 60 + t //= 60 + hours = t % 24 + t //= 24 + if t > 0: + return f"{t}d {hours:02}:{minutes:02}:{seconds:02}" + else: + return f"{hours:02}:{minutes:02}:{seconds:02}" + return "" + + def format_pos(self) -> str: + pos = str(self.pos) + if self.length is not None: + pos += f"/{self.length}" + return pos + + def format_pct(self) -> str: + return f"{int(self.pct * 100): 4}%"[1:] + + def format_bar(self) -> str: + if self.length is not None: + bar_length = int(self.pct * self.width) + bar = self.fill_char * bar_length + bar += self.empty_char * (self.width - bar_length) + elif self.finished: + bar = self.fill_char * self.width + else: + chars = list(self.empty_char * (self.width or 1)) + if self.time_per_iteration != 0: + chars[ + int( + (math.cos(self.pos * self.time_per_iteration) / 2.0 + 0.5) + * self.width + ) + ] = self.fill_char + bar = "".join(chars) + return bar + + def format_progress_line(self) -> str: + show_percent = self.show_percent + + info_bits = [] + if self.length is not None and show_percent is None: + show_percent = not self.show_pos + + if self.show_pos: + info_bits.append(self.format_pos()) + if show_percent: + info_bits.append(self.format_pct()) + if self.show_eta and self.eta_known and not self.finished: + info_bits.append(self.format_eta()) + if self.item_show_func is not None: + item_info = self.item_show_func(self.current_item) + if item_info is not None: + info_bits.append(item_info) + + return ( + self.bar_template + % { + "label": self.label, + "bar": self.format_bar(), + "info": self.info_sep.join(info_bits), + } + ).rstrip() + + def render_progress(self) -> None: + import shutil + + if self.is_hidden: + # Only output the label as it changes if the output is not a + # TTY. Use file=stderr if you expect to be piping stdout. + if self._last_line != self.label: + self._last_line = self.label + echo(self.label, file=self.file, color=self.color) + + return + + buf = [] + # Update width in case the terminal has been resized + if self.autowidth: + old_width = self.width + self.width = 0 + clutter_length = term_len(self.format_progress_line()) + new_width = max(0, shutil.get_terminal_size().columns - clutter_length) + if new_width < old_width: + buf.append(BEFORE_BAR) + buf.append(" " * self.max_width) # type: ignore + self.max_width = new_width + self.width = new_width + + clear_width = self.width + if self.max_width is not None: + clear_width = self.max_width + + buf.append(BEFORE_BAR) + line = self.format_progress_line() + line_len = term_len(line) + if self.max_width is None or self.max_width < line_len: + self.max_width = line_len + + buf.append(line) + buf.append(" " * (clear_width - line_len)) + line = "".join(buf) + # Render the line only if it changed. + + if line != self._last_line: + self._last_line = line + echo(line, file=self.file, color=self.color, nl=False) + self.file.flush() + + def make_step(self, n_steps: int) -> None: + self.pos += n_steps + if self.length is not None and self.pos >= self.length: + self.finished = True + + if (time.time() - self.last_eta) < 1.0: + return + + self.last_eta = time.time() + + # self.avg is a rolling list of length <= 7 of steps where steps are + # defined as time elapsed divided by the total progress through + # self.length. + if self.pos: + step = (time.time() - self.start) / self.pos + else: + step = time.time() - self.start + + self.avg = self.avg[-6:] + [step] + + self.eta_known = self.length is not None + + def update(self, n_steps: int, current_item: t.Optional[V] = None) -> None: + """Update the progress bar by advancing a specified number of + steps, and optionally set the ``current_item`` for this new + position. + + :param n_steps: Number of steps to advance. + :param current_item: Optional item to set as ``current_item`` + for the updated position. + + .. versionchanged:: 8.0 + Added the ``current_item`` optional parameter. + + .. versionchanged:: 8.0 + Only render when the number of steps meets the + ``update_min_steps`` threshold. + """ + if current_item is not None: + self.current_item = current_item + + self._completed_intervals += n_steps + + if self._completed_intervals >= self.update_min_steps: + self.make_step(self._completed_intervals) + self.render_progress() + self._completed_intervals = 0 + + def finish(self) -> None: + self.eta_known = False + self.current_item = None + self.finished = True + + def generator(self) -> t.Iterator[V]: + """Return a generator which yields the items added to the bar + during construction, and updates the progress bar *after* the + yielded block returns. + """ + # WARNING: the iterator interface for `ProgressBar` relies on + # this and only works because this is a simple generator which + # doesn't create or manage additional state. If this function + # changes, the impact should be evaluated both against + # `iter(bar)` and `next(bar)`. `next()` in particular may call + # `self.generator()` repeatedly, and this must remain safe in + # order for that interface to work. + if not self.entered: + raise RuntimeError("You need to use progress bars in a with block.") + + if self.is_hidden: + yield from self.iter + else: + for rv in self.iter: + self.current_item = rv + + # This allows show_item_func to be updated before the + # item is processed. Only trigger at the beginning of + # the update interval. + if self._completed_intervals == 0: + self.render_progress() + + yield rv + self.update(1) + + self.finish() + self.render_progress() + + +def pager(generator: t.Iterable[str], color: t.Optional[bool] = None) -> None: + """Decide what method to use for paging through text.""" + stdout = _default_text_stdout() + if not isatty(sys.stdin) or not isatty(stdout): + return _nullpager(stdout, generator, color) + pager_cmd = (os.environ.get("PAGER", None) or "").strip() + if pager_cmd: + if WIN: + return _tempfilepager(generator, pager_cmd, color) + return _pipepager(generator, pager_cmd, color) + if os.environ.get("TERM") in ("dumb", "emacs"): + return _nullpager(stdout, generator, color) + if WIN or sys.platform.startswith("os2"): + return _tempfilepager(generator, "more <", color) + if hasattr(os, "system") and os.system("(less) 2>/dev/null") == 0: + return _pipepager(generator, "less", color) + + import tempfile + + fd, filename = tempfile.mkstemp() + os.close(fd) + try: + if hasattr(os, "system") and os.system(f'more "{filename}"') == 0: + return _pipepager(generator, "more", color) + return _nullpager(stdout, generator, color) + finally: + os.unlink(filename) + + +def _pipepager(generator: t.Iterable[str], cmd: str, color: t.Optional[bool]) -> None: + """Page through text by feeding it to another program. Invoking a + pager through this might support colors. + """ + import subprocess + + env = dict(os.environ) + + # If we're piping to less we might support colors under the + # condition that + cmd_detail = cmd.rsplit("/", 1)[-1].split() + if color is None and cmd_detail[0] == "less": + less_flags = f"{os.environ.get('LESS', '')}{' '.join(cmd_detail[1:])}" + if not less_flags: + env["LESS"] = "-R" + color = True + elif "r" in less_flags or "R" in less_flags: + color = True + + c = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, env=env) + stdin = t.cast(t.BinaryIO, c.stdin) + encoding = get_best_encoding(stdin) + try: + for text in generator: + if not color: + text = strip_ansi(text) + + stdin.write(text.encode(encoding, "replace")) + except (OSError, KeyboardInterrupt): + pass + else: + stdin.close() + + # Less doesn't respect ^C, but catches it for its own UI purposes (aborting + # search or other commands inside less). + # + # That means when the user hits ^C, the parent process (click) terminates, + # but less is still alive, paging the output and messing up the terminal. + # + # If the user wants to make the pager exit on ^C, they should set + # `LESS='-K'`. It's not our decision to make. + while True: + try: + c.wait() + except KeyboardInterrupt: + pass + else: + break + + +def _tempfilepager( + generator: t.Iterable[str], cmd: str, color: t.Optional[bool] +) -> None: + """Page through text by invoking a program on a temporary file.""" + import tempfile + + _, filename = tempfile.mkstemp() + # TODO: This never terminates if the passed generator never terminates. + text = "".join(generator) + if not color: + text = strip_ansi(text) + encoding = get_best_encoding(sys.stdout) + with open_stream(filename, "wb")[0] as f: + f.write(text.encode(encoding)) + try: + os.system(f'{cmd} "{filename}"') + finally: + os.unlink(filename) + + +def _nullpager( + stream: t.TextIO, generator: t.Iterable[str], color: t.Optional[bool] +) -> None: + """Simply print unformatted text. This is the ultimate fallback.""" + for text in generator: + if not color: + text = strip_ansi(text) + stream.write(text) + + +class Editor: + def __init__( + self, + editor: t.Optional[str] = None, + env: t.Optional[t.Mapping[str, str]] = None, + require_save: bool = True, + extension: str = ".txt", + ) -> None: + self.editor = editor + self.env = env + self.require_save = require_save + self.extension = extension + + def get_editor(self) -> str: + if self.editor is not None: + return self.editor + for key in "VISUAL", "EDITOR": + rv = os.environ.get(key) + if rv: + return rv + if WIN: + return "notepad" + for editor in "sensible-editor", "vim", "nano": + if os.system(f"which {editor} >/dev/null 2>&1") == 0: + return editor + return "vi" + + def edit_file(self, filename: str) -> None: + import subprocess + + editor = self.get_editor() + environ: t.Optional[t.Dict[str, str]] = None + + if self.env: + environ = os.environ.copy() + environ.update(self.env) + + try: + c = subprocess.Popen(f'{editor} "{filename}"', env=environ, shell=True) + exit_code = c.wait() + if exit_code != 0: + raise ClickException( + _("{editor}: Editing failed").format(editor=editor) + ) + except OSError as e: + raise ClickException( + _("{editor}: Editing failed: {e}").format(editor=editor, e=e) + ) + + def edit(self, text: t.Optional[t.AnyStr]) -> t.Optional[t.AnyStr]: + import tempfile + + if not text: + data = b"" + elif isinstance(text, (bytes, bytearray)): + data = text + else: + if text and not text.endswith("\n"): + text += "\n" + + if WIN: + data = text.replace("\n", "\r\n").encode("utf-8-sig") + else: + data = text.encode("utf-8") + + fd, name = tempfile.mkstemp(prefix="editor-", suffix=self.extension) + f: t.BinaryIO + + try: + with os.fdopen(fd, "wb") as f: + f.write(data) + + # If the filesystem resolution is 1 second, like Mac OS + # 10.12 Extended, or 2 seconds, like FAT32, and the editor + # closes very fast, require_save can fail. Set the modified + # time to be 2 seconds in the past to work around this. + os.utime(name, (os.path.getatime(name), os.path.getmtime(name) - 2)) + # Depending on the resolution, the exact value might not be + # recorded, so get the new recorded value. + timestamp = os.path.getmtime(name) + + self.edit_file(name) + + if self.require_save and os.path.getmtime(name) == timestamp: + return None + + with open(name, "rb") as f: + rv = f.read() + + if isinstance(text, (bytes, bytearray)): + return rv + + return rv.decode("utf-8-sig").replace("\r\n", "\n") # type: ignore + finally: + os.unlink(name) + + +def open_url(url: str, wait: bool = False, locate: bool = False) -> int: + import subprocess + + def _unquote_file(url: str) -> str: + from urllib.parse import unquote + + if url.startswith("file://"): + url = unquote(url[7:]) + + return url + + if sys.platform == "darwin": + args = ["open"] + if wait: + args.append("-W") + if locate: + args.append("-R") + args.append(_unquote_file(url)) + null = open("/dev/null", "w") + try: + return subprocess.Popen(args, stderr=null).wait() + finally: + null.close() + elif WIN: + if locate: + url = _unquote_file(url.replace('"', "")) + args = f'explorer /select,"{url}"' + else: + url = url.replace('"', "") + wait_str = "/WAIT" if wait else "" + args = f'start {wait_str} "" "{url}"' + return os.system(args) + elif CYGWIN: + if locate: + url = os.path.dirname(_unquote_file(url).replace('"', "")) + args = f'cygstart "{url}"' + else: + url = url.replace('"', "") + wait_str = "-w" if wait else "" + args = f'cygstart {wait_str} "{url}"' + return os.system(args) + + try: + if locate: + url = os.path.dirname(_unquote_file(url)) or "." + else: + url = _unquote_file(url) + c = subprocess.Popen(["xdg-open", url]) + if wait: + return c.wait() + return 0 + except OSError: + if url.startswith(("http://", "https://")) and not locate and not wait: + import webbrowser + + webbrowser.open(url) + return 0 + return 1 + + +def _translate_ch_to_exc(ch: str) -> t.Optional[BaseException]: + if ch == "\x03": + raise KeyboardInterrupt() + + if ch == "\x04" and not WIN: # Unix-like, Ctrl+D + raise EOFError() + + if ch == "\x1a" and WIN: # Windows, Ctrl+Z + raise EOFError() + + return None + + +if WIN: + import msvcrt + + @contextlib.contextmanager + def raw_terminal() -> t.Iterator[int]: + yield -1 + + def getchar(echo: bool) -> str: + # The function `getch` will return a bytes object corresponding to + # the pressed character. Since Windows 10 build 1803, it will also + # return \x00 when called a second time after pressing a regular key. + # + # `getwch` does not share this probably-bugged behavior. Moreover, it + # returns a Unicode object by default, which is what we want. + # + # Either of these functions will return \x00 or \xe0 to indicate + # a special key, and you need to call the same function again to get + # the "rest" of the code. The fun part is that \u00e0 is + # "latin small letter a with grave", so if you type that on a French + # keyboard, you _also_ get a \xe0. + # E.g., consider the Up arrow. This returns \xe0 and then \x48. The + # resulting Unicode string reads as "a with grave" + "capital H". + # This is indistinguishable from when the user actually types + # "a with grave" and then "capital H". + # + # When \xe0 is returned, we assume it's part of a special-key sequence + # and call `getwch` again, but that means that when the user types + # the \u00e0 character, `getchar` doesn't return until a second + # character is typed. + # The alternative is returning immediately, but that would mess up + # cross-platform handling of arrow keys and others that start with + # \xe0. Another option is using `getch`, but then we can't reliably + # read non-ASCII characters, because return values of `getch` are + # limited to the current 8-bit codepage. + # + # Anyway, Click doesn't claim to do this Right(tm), and using `getwch` + # is doing the right thing in more situations than with `getch`. + func: t.Callable[[], str] + + if echo: + func = msvcrt.getwche # type: ignore + else: + func = msvcrt.getwch # type: ignore + + rv = func() + + if rv in ("\x00", "\xe0"): + # \x00 and \xe0 are control characters that indicate special key, + # see above. + rv += func() + + _translate_ch_to_exc(rv) + return rv + + +else: + import tty + import termios + + @contextlib.contextmanager + def raw_terminal() -> t.Iterator[int]: + f: t.Optional[t.TextIO] + fd: int + + if not isatty(sys.stdin): + f = open("/dev/tty") + fd = f.fileno() + else: + fd = sys.stdin.fileno() + f = None + + try: + old_settings = termios.tcgetattr(fd) + + try: + tty.setraw(fd) + yield fd + finally: + termios.tcsetattr(fd, termios.TCSADRAIN, old_settings) + sys.stdout.flush() + + if f is not None: + f.close() + except termios.error: + pass + + def getchar(echo: bool) -> str: + with raw_terminal() as fd: + ch = os.read(fd, 32).decode(get_best_encoding(sys.stdin), "replace") + + if echo and isatty(sys.stdout): + sys.stdout.write(ch) + + _translate_ch_to_exc(ch) + return ch diff --git a/backend/mb-env/lib/python3.9/site-packages/click/_textwrap.py b/backend/mb-env/lib/python3.9/site-packages/click/_textwrap.py new file mode 100644 index 0000000..b47dcbd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/_textwrap.py @@ -0,0 +1,49 @@ +import textwrap +import typing as t +from contextlib import contextmanager + + +class TextWrapper(textwrap.TextWrapper): + def _handle_long_word( + self, + reversed_chunks: t.List[str], + cur_line: t.List[str], + cur_len: int, + width: int, + ) -> None: + space_left = max(width - cur_len, 1) + + if self.break_long_words: + last = reversed_chunks[-1] + cut = last[:space_left] + res = last[space_left:] + cur_line.append(cut) + reversed_chunks[-1] = res + elif not cur_line: + cur_line.append(reversed_chunks.pop()) + + @contextmanager + def extra_indent(self, indent: str) -> t.Iterator[None]: + old_initial_indent = self.initial_indent + old_subsequent_indent = self.subsequent_indent + self.initial_indent += indent + self.subsequent_indent += indent + + try: + yield + finally: + self.initial_indent = old_initial_indent + self.subsequent_indent = old_subsequent_indent + + def indent_only(self, text: str) -> str: + rv = [] + + for idx, line in enumerate(text.splitlines()): + indent = self.initial_indent + + if idx > 0: + indent = self.subsequent_indent + + rv.append(f"{indent}{line}") + + return "\n".join(rv) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/_unicodefun.py b/backend/mb-env/lib/python3.9/site-packages/click/_unicodefun.py new file mode 100644 index 0000000..9cb30c3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/_unicodefun.py @@ -0,0 +1,100 @@ +import codecs +import os +from gettext import gettext as _ + + +def _verify_python_env() -> None: + """Ensures that the environment is good for Unicode.""" + try: + from locale import getpreferredencoding + + fs_enc = codecs.lookup(getpreferredencoding()).name + except Exception: + fs_enc = "ascii" + + if fs_enc != "ascii": + return + + extra = [ + _( + "Click will abort further execution because Python was" + " configured to use ASCII as encoding for the environment." + " Consult https://click.palletsprojects.com/unicode-support/" + " for mitigation steps." + ) + ] + + if os.name == "posix": + import subprocess + + try: + rv = subprocess.Popen( + ["locale", "-a"], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + encoding="ascii", + errors="replace", + ).communicate()[0] + except OSError: + rv = "" + + good_locales = set() + has_c_utf8 = False + + for line in rv.splitlines(): + locale = line.strip() + + if locale.lower().endswith((".utf-8", ".utf8")): + good_locales.add(locale) + + if locale.lower() in ("c.utf8", "c.utf-8"): + has_c_utf8 = True + + if not good_locales: + extra.append( + _( + "Additional information: on this system no suitable" + " UTF-8 locales were discovered. This most likely" + " requires resolving by reconfiguring the locale" + " system." + ) + ) + elif has_c_utf8: + extra.append( + _( + "This system supports the C.UTF-8 locale which is" + " recommended. You might be able to resolve your" + " issue by exporting the following environment" + " variables:" + ) + ) + extra.append(" export LC_ALL=C.UTF-8\n export LANG=C.UTF-8") + else: + extra.append( + _( + "This system lists some UTF-8 supporting locales" + " that you can pick from. The following suitable" + " locales were discovered: {locales}" + ).format(locales=", ".join(sorted(good_locales))) + ) + + bad_locale = None + + for env_locale in os.environ.get("LC_ALL"), os.environ.get("LANG"): + if env_locale and env_locale.lower().endswith((".utf-8", ".utf8")): + bad_locale = env_locale + + if env_locale is not None: + break + + if bad_locale is not None: + extra.append( + _( + "Click discovered that you exported a UTF-8 locale" + " but the locale system could not pick up from it" + " because it does not exist. The exported locale is" + " {locale!r} but it is not supported." + ).format(locale=bad_locale) + ) + + raise RuntimeError("\n\n".join(extra)) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/_winconsole.py b/backend/mb-env/lib/python3.9/site-packages/click/_winconsole.py new file mode 100644 index 0000000..6b20df3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/_winconsole.py @@ -0,0 +1,279 @@ +# This module is based on the excellent work by Adam Bartoš who +# provided a lot of what went into the implementation here in +# the discussion to issue1602 in the Python bug tracker. +# +# There are some general differences in regards to how this works +# compared to the original patches as we do not need to patch +# the entire interpreter but just work in our little world of +# echo and prompt. +import io +import sys +import time +import typing as t +from ctypes import byref +from ctypes import c_char +from ctypes import c_char_p +from ctypes import c_int +from ctypes import c_ssize_t +from ctypes import c_ulong +from ctypes import c_void_p +from ctypes import POINTER +from ctypes import py_object +from ctypes import Structure +from ctypes.wintypes import DWORD +from ctypes.wintypes import HANDLE +from ctypes.wintypes import LPCWSTR +from ctypes.wintypes import LPWSTR + +from ._compat import _NonClosingTextIOWrapper + +assert sys.platform == "win32" +import msvcrt # noqa: E402 +from ctypes import windll # noqa: E402 +from ctypes import WINFUNCTYPE # noqa: E402 + +c_ssize_p = POINTER(c_ssize_t) + +kernel32 = windll.kernel32 +GetStdHandle = kernel32.GetStdHandle +ReadConsoleW = kernel32.ReadConsoleW +WriteConsoleW = kernel32.WriteConsoleW +GetConsoleMode = kernel32.GetConsoleMode +GetLastError = kernel32.GetLastError +GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32)) +CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int))( + ("CommandLineToArgvW", windll.shell32) +) +LocalFree = WINFUNCTYPE(c_void_p, c_void_p)(("LocalFree", windll.kernel32)) + +STDIN_HANDLE = GetStdHandle(-10) +STDOUT_HANDLE = GetStdHandle(-11) +STDERR_HANDLE = GetStdHandle(-12) + +PyBUF_SIMPLE = 0 +PyBUF_WRITABLE = 1 + +ERROR_SUCCESS = 0 +ERROR_NOT_ENOUGH_MEMORY = 8 +ERROR_OPERATION_ABORTED = 995 + +STDIN_FILENO = 0 +STDOUT_FILENO = 1 +STDERR_FILENO = 2 + +EOF = b"\x1a" +MAX_BYTES_WRITTEN = 32767 + +try: + from ctypes import pythonapi +except ImportError: + # On PyPy we cannot get buffers so our ability to operate here is + # severely limited. + get_buffer = None +else: + + class Py_buffer(Structure): + _fields_ = [ + ("buf", c_void_p), + ("obj", py_object), + ("len", c_ssize_t), + ("itemsize", c_ssize_t), + ("readonly", c_int), + ("ndim", c_int), + ("format", c_char_p), + ("shape", c_ssize_p), + ("strides", c_ssize_p), + ("suboffsets", c_ssize_p), + ("internal", c_void_p), + ] + + PyObject_GetBuffer = pythonapi.PyObject_GetBuffer + PyBuffer_Release = pythonapi.PyBuffer_Release + + def get_buffer(obj, writable=False): + buf = Py_buffer() + flags = PyBUF_WRITABLE if writable else PyBUF_SIMPLE + PyObject_GetBuffer(py_object(obj), byref(buf), flags) + + try: + buffer_type = c_char * buf.len + return buffer_type.from_address(buf.buf) + finally: + PyBuffer_Release(byref(buf)) + + +class _WindowsConsoleRawIOBase(io.RawIOBase): + def __init__(self, handle): + self.handle = handle + + def isatty(self): + super().isatty() + return True + + +class _WindowsConsoleReader(_WindowsConsoleRawIOBase): + def readable(self): + return True + + def readinto(self, b): + bytes_to_be_read = len(b) + if not bytes_to_be_read: + return 0 + elif bytes_to_be_read % 2: + raise ValueError( + "cannot read odd number of bytes from UTF-16-LE encoded console" + ) + + buffer = get_buffer(b, writable=True) + code_units_to_be_read = bytes_to_be_read // 2 + code_units_read = c_ulong() + + rv = ReadConsoleW( + HANDLE(self.handle), + buffer, + code_units_to_be_read, + byref(code_units_read), + None, + ) + if GetLastError() == ERROR_OPERATION_ABORTED: + # wait for KeyboardInterrupt + time.sleep(0.1) + if not rv: + raise OSError(f"Windows error: {GetLastError()}") + + if buffer[0] == EOF: + return 0 + return 2 * code_units_read.value + + +class _WindowsConsoleWriter(_WindowsConsoleRawIOBase): + def writable(self): + return True + + @staticmethod + def _get_error_message(errno): + if errno == ERROR_SUCCESS: + return "ERROR_SUCCESS" + elif errno == ERROR_NOT_ENOUGH_MEMORY: + return "ERROR_NOT_ENOUGH_MEMORY" + return f"Windows error {errno}" + + def write(self, b): + bytes_to_be_written = len(b) + buf = get_buffer(b) + code_units_to_be_written = min(bytes_to_be_written, MAX_BYTES_WRITTEN) // 2 + code_units_written = c_ulong() + + WriteConsoleW( + HANDLE(self.handle), + buf, + code_units_to_be_written, + byref(code_units_written), + None, + ) + bytes_written = 2 * code_units_written.value + + if bytes_written == 0 and bytes_to_be_written > 0: + raise OSError(self._get_error_message(GetLastError())) + return bytes_written + + +class ConsoleStream: + def __init__(self, text_stream: t.TextIO, byte_stream: t.BinaryIO) -> None: + self._text_stream = text_stream + self.buffer = byte_stream + + @property + def name(self) -> str: + return self.buffer.name + + def write(self, x: t.AnyStr) -> int: + if isinstance(x, str): + return self._text_stream.write(x) + try: + self.flush() + except Exception: + pass + return self.buffer.write(x) + + def writelines(self, lines: t.Iterable[t.AnyStr]) -> None: + for line in lines: + self.write(line) + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._text_stream, name) + + def isatty(self) -> bool: + return self.buffer.isatty() + + def __repr__(self): + return f"" + + +def _get_text_stdin(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedReader(_WindowsConsoleReader(STDIN_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +def _get_text_stdout(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedWriter(_WindowsConsoleWriter(STDOUT_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +def _get_text_stderr(buffer_stream: t.BinaryIO) -> t.TextIO: + text_stream = _NonClosingTextIOWrapper( + io.BufferedWriter(_WindowsConsoleWriter(STDERR_HANDLE)), + "utf-16-le", + "strict", + line_buffering=True, + ) + return t.cast(t.TextIO, ConsoleStream(text_stream, buffer_stream)) + + +_stream_factories: t.Mapping[int, t.Callable[[t.BinaryIO], t.TextIO]] = { + 0: _get_text_stdin, + 1: _get_text_stdout, + 2: _get_text_stderr, +} + + +def _is_console(f: t.TextIO) -> bool: + if not hasattr(f, "fileno"): + return False + + try: + fileno = f.fileno() + except (OSError, io.UnsupportedOperation): + return False + + handle = msvcrt.get_osfhandle(fileno) + return bool(GetConsoleMode(handle, byref(DWORD()))) + + +def _get_windows_console_stream( + f: t.TextIO, encoding: t.Optional[str], errors: t.Optional[str] +) -> t.Optional[t.TextIO]: + if ( + get_buffer is not None + and encoding in {"utf-16-le", None} + and errors in {"strict", None} + and _is_console(f) + ): + func = _stream_factories.get(f.fileno()) + if func is not None: + b = getattr(f, "buffer", None) + + if b is None: + return None + + return func(b) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/core.py b/backend/mb-env/lib/python3.9/site-packages/click/core.py new file mode 100644 index 0000000..e2ccf59 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/core.py @@ -0,0 +1,2957 @@ +import enum +import errno +import os +import sys +import typing +import typing as t +from collections import abc +from contextlib import contextmanager +from contextlib import ExitStack +from functools import partial +from functools import update_wrapper +from gettext import gettext as _ +from gettext import ngettext +from itertools import repeat + +from . import types +from ._unicodefun import _verify_python_env +from .exceptions import Abort +from .exceptions import BadParameter +from .exceptions import ClickException +from .exceptions import Exit +from .exceptions import MissingParameter +from .exceptions import UsageError +from .formatting import HelpFormatter +from .formatting import join_options +from .globals import pop_context +from .globals import push_context +from .parser import _flag_needs_value +from .parser import OptionParser +from .parser import split_opt +from .termui import confirm +from .termui import prompt +from .termui import style +from .utils import _detect_program_name +from .utils import _expand_args +from .utils import echo +from .utils import make_default_short_help +from .utils import make_str +from .utils import PacifyFlushWrapper + +if t.TYPE_CHECKING: + import typing_extensions as te + from .shell_completion import CompletionItem + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) +V = t.TypeVar("V") + + +def _fast_exit(code: int) -> "te.NoReturn": + """Low-level exit that skips Python's cleanup but speeds up exit by + about 10ms for things like shell completion. + + :param code: Exit code. + """ + sys.stdout.flush() + sys.stderr.flush() + os._exit(code) + + +def _complete_visible_commands( + ctx: "Context", incomplete: str +) -> t.Iterator[t.Tuple[str, "Command"]]: + """List all the subcommands of a group that start with the + incomplete value and aren't hidden. + + :param ctx: Invocation context for the group. + :param incomplete: Value being completed. May be empty. + """ + multi = t.cast(MultiCommand, ctx.command) + + for name in multi.list_commands(ctx): + if name.startswith(incomplete): + command = multi.get_command(ctx, name) + + if command is not None and not command.hidden: + yield name, command + + +def _check_multicommand( + base_command: "MultiCommand", cmd_name: str, cmd: "Command", register: bool = False +) -> None: + if not base_command.chain or not isinstance(cmd, MultiCommand): + return + if register: + hint = ( + "It is not possible to add multi commands as children to" + " another multi command that is in chain mode." + ) + else: + hint = ( + "Found a multi command as subcommand to a multi command" + " that is in chain mode. This is not supported." + ) + raise RuntimeError( + f"{hint}. Command {base_command.name!r} is set to chain and" + f" {cmd_name!r} was added as a subcommand but it in itself is a" + f" multi command. ({cmd_name!r} is a {type(cmd).__name__}" + f" within a chained {type(base_command).__name__} named" + f" {base_command.name!r})." + ) + + +def batch(iterable: t.Iterable[V], batch_size: int) -> t.List[t.Tuple[V, ...]]: + return list(zip(*repeat(iter(iterable), batch_size))) + + +@contextmanager +def augment_usage_errors( + ctx: "Context", param: t.Optional["Parameter"] = None +) -> t.Iterator[None]: + """Context manager that attaches extra information to exceptions.""" + try: + yield + except BadParameter as e: + if e.ctx is None: + e.ctx = ctx + if param is not None and e.param is None: + e.param = param + raise + except UsageError as e: + if e.ctx is None: + e.ctx = ctx + raise + + +def iter_params_for_processing( + invocation_order: t.Sequence["Parameter"], + declaration_order: t.Sequence["Parameter"], +) -> t.List["Parameter"]: + """Given a sequence of parameters in the order as should be considered + for processing and an iterable of parameters that exist, this returns + a list in the correct order as they should be processed. + """ + + def sort_key(item: "Parameter") -> t.Tuple[bool, float]: + try: + idx: float = invocation_order.index(item) + except ValueError: + idx = float("inf") + + return not item.is_eager, idx + + return sorted(declaration_order, key=sort_key) + + +class ParameterSource(enum.Enum): + """This is an :class:`~enum.Enum` that indicates the source of a + parameter's value. + + Use :meth:`click.Context.get_parameter_source` to get the + source for a parameter by name. + + .. versionchanged:: 8.0 + Use :class:`~enum.Enum` and drop the ``validate`` method. + + .. versionchanged:: 8.0 + Added the ``PROMPT`` value. + """ + + COMMANDLINE = enum.auto() + """The value was provided by the command line args.""" + ENVIRONMENT = enum.auto() + """The value was provided with an environment variable.""" + DEFAULT = enum.auto() + """Used the default specified by the parameter.""" + DEFAULT_MAP = enum.auto() + """Used a default provided by :attr:`Context.default_map`.""" + PROMPT = enum.auto() + """Used a prompt to confirm a default or provide a value.""" + + +class Context: + """The context is a special internal object that holds state relevant + for the script execution at every single level. It's normally invisible + to commands unless they opt-in to getting access to it. + + The context is useful as it can pass internal objects around and can + control special execution features such as reading data from + environment variables. + + A context can be used as context manager in which case it will call + :meth:`close` on teardown. + + :param command: the command class for this context. + :param parent: the parent context. + :param info_name: the info name for this invocation. Generally this + is the most descriptive name for the script or + command. For the toplevel script it is usually + the name of the script, for commands below it it's + the name of the script. + :param obj: an arbitrary object of user data. + :param auto_envvar_prefix: the prefix to use for automatic environment + variables. If this is `None` then reading + from environment variables is disabled. This + does not affect manually set environment + variables which are always read. + :param default_map: a dictionary (like object) with default values + for parameters. + :param terminal_width: the width of the terminal. The default is + inherit from parent context. If no context + defines the terminal width then auto + detection will be applied. + :param max_content_width: the maximum width for content rendered by + Click (this currently only affects help + pages). This defaults to 80 characters if + not overridden. In other words: even if the + terminal is larger than that, Click will not + format things wider than 80 characters by + default. In addition to that, formatters might + add some safety mapping on the right. + :param resilient_parsing: if this flag is enabled then Click will + parse without any interactivity or callback + invocation. Default values will also be + ignored. This is useful for implementing + things such as completion support. + :param allow_extra_args: if this is set to `True` then extra arguments + at the end will not raise an error and will be + kept on the context. The default is to inherit + from the command. + :param allow_interspersed_args: if this is set to `False` then options + and arguments cannot be mixed. The + default is to inherit from the command. + :param ignore_unknown_options: instructs click to ignore options it does + not know and keeps them for later + processing. + :param help_option_names: optionally a list of strings that define how + the default help parameter is named. The + default is ``['--help']``. + :param token_normalize_func: an optional function that is used to + normalize tokens (options, choices, + etc.). This for instance can be used to + implement case insensitive behavior. + :param color: controls if the terminal supports ANSI colors or not. The + default is autodetection. This is only needed if ANSI + codes are used in texts that Click prints which is by + default not the case. This for instance would affect + help output. + :param show_default: Show defaults for all options. If not set, + defaults to the value from a parent context. Overrides an + option's ``show_default`` argument. + + .. versionchanged:: 8.0 + The ``show_default`` parameter defaults to the value from the + parent context. + + .. versionchanged:: 7.1 + Added the ``show_default`` parameter. + + .. versionchanged:: 4.0 + Added the ``color``, ``ignore_unknown_options``, and + ``max_content_width`` parameters. + + .. versionchanged:: 3.0 + Added the ``allow_extra_args`` and ``allow_interspersed_args`` + parameters. + + .. versionchanged:: 2.0 + Added the ``resilient_parsing``, ``help_option_names``, and + ``token_normalize_func`` parameters. + """ + + #: The formatter class to create with :meth:`make_formatter`. + #: + #: .. versionadded:: 8.0 + formatter_class: t.Type["HelpFormatter"] = HelpFormatter + + def __init__( + self, + command: "Command", + parent: t.Optional["Context"] = None, + info_name: t.Optional[str] = None, + obj: t.Optional[t.Any] = None, + auto_envvar_prefix: t.Optional[str] = None, + default_map: t.Optional[t.Dict[str, t.Any]] = None, + terminal_width: t.Optional[int] = None, + max_content_width: t.Optional[int] = None, + resilient_parsing: bool = False, + allow_extra_args: t.Optional[bool] = None, + allow_interspersed_args: t.Optional[bool] = None, + ignore_unknown_options: t.Optional[bool] = None, + help_option_names: t.Optional[t.List[str]] = None, + token_normalize_func: t.Optional[t.Callable[[str], str]] = None, + color: t.Optional[bool] = None, + show_default: t.Optional[bool] = None, + ) -> None: + #: the parent context or `None` if none exists. + self.parent = parent + #: the :class:`Command` for this context. + self.command = command + #: the descriptive information name + self.info_name = info_name + #: Map of parameter names to their parsed values. Parameters + #: with ``expose_value=False`` are not stored. + self.params: t.Dict[str, t.Any] = {} + #: the leftover arguments. + self.args: t.List[str] = [] + #: protected arguments. These are arguments that are prepended + #: to `args` when certain parsing scenarios are encountered but + #: must be never propagated to another arguments. This is used + #: to implement nested parsing. + self.protected_args: t.List[str] = [] + + if obj is None and parent is not None: + obj = parent.obj + + #: the user object stored. + self.obj: t.Any = obj + self._meta: t.Dict[str, t.Any] = getattr(parent, "meta", {}) + + #: A dictionary (-like object) with defaults for parameters. + if ( + default_map is None + and info_name is not None + and parent is not None + and parent.default_map is not None + ): + default_map = parent.default_map.get(info_name) + + self.default_map: t.Optional[t.Dict[str, t.Any]] = default_map + + #: This flag indicates if a subcommand is going to be executed. A + #: group callback can use this information to figure out if it's + #: being executed directly or because the execution flow passes + #: onwards to a subcommand. By default it's None, but it can be + #: the name of the subcommand to execute. + #: + #: If chaining is enabled this will be set to ``'*'`` in case + #: any commands are executed. It is however not possible to + #: figure out which ones. If you require this knowledge you + #: should use a :func:`result_callback`. + self.invoked_subcommand: t.Optional[str] = None + + if terminal_width is None and parent is not None: + terminal_width = parent.terminal_width + + #: The width of the terminal (None is autodetection). + self.terminal_width: t.Optional[int] = terminal_width + + if max_content_width is None and parent is not None: + max_content_width = parent.max_content_width + + #: The maximum width of formatted content (None implies a sensible + #: default which is 80 for most things). + self.max_content_width: t.Optional[int] = max_content_width + + if allow_extra_args is None: + allow_extra_args = command.allow_extra_args + + #: Indicates if the context allows extra args or if it should + #: fail on parsing. + #: + #: .. versionadded:: 3.0 + self.allow_extra_args = allow_extra_args + + if allow_interspersed_args is None: + allow_interspersed_args = command.allow_interspersed_args + + #: Indicates if the context allows mixing of arguments and + #: options or not. + #: + #: .. versionadded:: 3.0 + self.allow_interspersed_args: bool = allow_interspersed_args + + if ignore_unknown_options is None: + ignore_unknown_options = command.ignore_unknown_options + + #: Instructs click to ignore options that a command does not + #: understand and will store it on the context for later + #: processing. This is primarily useful for situations where you + #: want to call into external programs. Generally this pattern is + #: strongly discouraged because it's not possibly to losslessly + #: forward all arguments. + #: + #: .. versionadded:: 4.0 + self.ignore_unknown_options: bool = ignore_unknown_options + + if help_option_names is None: + if parent is not None: + help_option_names = parent.help_option_names + else: + help_option_names = ["--help"] + + #: The names for the help options. + self.help_option_names: t.List[str] = help_option_names + + if token_normalize_func is None and parent is not None: + token_normalize_func = parent.token_normalize_func + + #: An optional normalization function for tokens. This is + #: options, choices, commands etc. + self.token_normalize_func: t.Optional[ + t.Callable[[str], str] + ] = token_normalize_func + + #: Indicates if resilient parsing is enabled. In that case Click + #: will do its best to not cause any failures and default values + #: will be ignored. Useful for completion. + self.resilient_parsing: bool = resilient_parsing + + # If there is no envvar prefix yet, but the parent has one and + # the command on this level has a name, we can expand the envvar + # prefix automatically. + if auto_envvar_prefix is None: + if ( + parent is not None + and parent.auto_envvar_prefix is not None + and self.info_name is not None + ): + auto_envvar_prefix = ( + f"{parent.auto_envvar_prefix}_{self.info_name.upper()}" + ) + else: + auto_envvar_prefix = auto_envvar_prefix.upper() + + if auto_envvar_prefix is not None: + auto_envvar_prefix = auto_envvar_prefix.replace("-", "_") + + self.auto_envvar_prefix: t.Optional[str] = auto_envvar_prefix + + if color is None and parent is not None: + color = parent.color + + #: Controls if styling output is wanted or not. + self.color: t.Optional[bool] = color + + if show_default is None and parent is not None: + show_default = parent.show_default + + #: Show option default values when formatting help text. + self.show_default: t.Optional[bool] = show_default + + self._close_callbacks: t.List[t.Callable[[], t.Any]] = [] + self._depth = 0 + self._parameter_source: t.Dict[str, ParameterSource] = {} + self._exit_stack = ExitStack() + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. This traverses the entire CLI + structure. + + .. code-block:: python + + with Context(cli) as ctx: + info = ctx.to_info_dict() + + .. versionadded:: 8.0 + """ + return { + "command": self.command.to_info_dict(self), + "info_name": self.info_name, + "allow_extra_args": self.allow_extra_args, + "allow_interspersed_args": self.allow_interspersed_args, + "ignore_unknown_options": self.ignore_unknown_options, + "auto_envvar_prefix": self.auto_envvar_prefix, + } + + def __enter__(self) -> "Context": + self._depth += 1 + push_context(self) + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + self._depth -= 1 + if self._depth == 0: + self.close() + pop_context() + + @contextmanager + def scope(self, cleanup: bool = True) -> t.Iterator["Context"]: + """This helper method can be used with the context object to promote + it to the current thread local (see :func:`get_current_context`). + The default behavior of this is to invoke the cleanup functions which + can be disabled by setting `cleanup` to `False`. The cleanup + functions are typically used for things such as closing file handles. + + If the cleanup is intended the context object can also be directly + used as a context manager. + + Example usage:: + + with ctx.scope(): + assert get_current_context() is ctx + + This is equivalent:: + + with ctx: + assert get_current_context() is ctx + + .. versionadded:: 5.0 + + :param cleanup: controls if the cleanup functions should be run or + not. The default is to run these functions. In + some situations the context only wants to be + temporarily pushed in which case this can be disabled. + Nested pushes automatically defer the cleanup. + """ + if not cleanup: + self._depth += 1 + try: + with self as rv: + yield rv + finally: + if not cleanup: + self._depth -= 1 + + @property + def meta(self) -> t.Dict[str, t.Any]: + """This is a dictionary which is shared with all the contexts + that are nested. It exists so that click utilities can store some + state here if they need to. It is however the responsibility of + that code to manage this dictionary well. + + The keys are supposed to be unique dotted strings. For instance + module paths are a good choice for it. What is stored in there is + irrelevant for the operation of click. However what is important is + that code that places data here adheres to the general semantics of + the system. + + Example usage:: + + LANG_KEY = f'{__name__}.lang' + + def set_language(value): + ctx = get_current_context() + ctx.meta[LANG_KEY] = value + + def get_language(): + return get_current_context().meta.get(LANG_KEY, 'en_US') + + .. versionadded:: 5.0 + """ + return self._meta + + def make_formatter(self) -> HelpFormatter: + """Creates the :class:`~click.HelpFormatter` for the help and + usage output. + + To quickly customize the formatter class used without overriding + this method, set the :attr:`formatter_class` attribute. + + .. versionchanged:: 8.0 + Added the :attr:`formatter_class` attribute. + """ + return self.formatter_class( + width=self.terminal_width, max_width=self.max_content_width + ) + + def with_resource(self, context_manager: t.ContextManager[V]) -> V: + """Register a resource as if it were used in a ``with`` + statement. The resource will be cleaned up when the context is + popped. + + Uses :meth:`contextlib.ExitStack.enter_context`. It calls the + resource's ``__enter__()`` method and returns the result. When + the context is popped, it closes the stack, which calls the + resource's ``__exit__()`` method. + + To register a cleanup function for something that isn't a + context manager, use :meth:`call_on_close`. Or use something + from :mod:`contextlib` to turn it into a context manager first. + + .. code-block:: python + + @click.group() + @click.option("--name") + @click.pass_context + def cli(ctx): + ctx.obj = ctx.with_resource(connect_db(name)) + + :param context_manager: The context manager to enter. + :return: Whatever ``context_manager.__enter__()`` returns. + + .. versionadded:: 8.0 + """ + return self._exit_stack.enter_context(context_manager) + + def call_on_close(self, f: t.Callable[..., t.Any]) -> t.Callable[..., t.Any]: + """Register a function to be called when the context tears down. + + This can be used to close resources opened during the script + execution. Resources that support Python's context manager + protocol which would be used in a ``with`` statement should be + registered with :meth:`with_resource` instead. + + :param f: The function to execute on teardown. + """ + return self._exit_stack.callback(f) + + def close(self) -> None: + """Invoke all close callbacks registered with + :meth:`call_on_close`, and exit all context managers entered + with :meth:`with_resource`. + """ + self._exit_stack.close() + # In case the context is reused, create a new exit stack. + self._exit_stack = ExitStack() + + @property + def command_path(self) -> str: + """The computed command path. This is used for the ``usage`` + information on the help page. It's automatically created by + combining the info names of the chain of contexts to the root. + """ + rv = "" + if self.info_name is not None: + rv = self.info_name + if self.parent is not None: + parent_command_path = [self.parent.command_path] + + if isinstance(self.parent.command, Command): + for param in self.parent.command.get_params(self): + parent_command_path.extend(param.get_usage_pieces(self)) + + rv = f"{' '.join(parent_command_path)} {rv}" + return rv.lstrip() + + def find_root(self) -> "Context": + """Finds the outermost context.""" + node = self + while node.parent is not None: + node = node.parent + return node + + def find_object(self, object_type: t.Type[V]) -> t.Optional[V]: + """Finds the closest object of a given type.""" + node: t.Optional["Context"] = self + + while node is not None: + if isinstance(node.obj, object_type): + return node.obj + + node = node.parent + + return None + + def ensure_object(self, object_type: t.Type[V]) -> V: + """Like :meth:`find_object` but sets the innermost object to a + new instance of `object_type` if it does not exist. + """ + rv = self.find_object(object_type) + if rv is None: + self.obj = rv = object_type() + return rv + + @typing.overload + def lookup_default( + self, name: str, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @typing.overload + def lookup_default( + self, name: str, call: "te.Literal[False]" = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def lookup_default(self, name: str, call: bool = True) -> t.Optional[t.Any]: + """Get the default for a parameter from :attr:`default_map`. + + :param name: Name of the parameter. + :param call: If the default is a callable, call it. Disable to + return the callable instead. + + .. versionchanged:: 8.0 + Added the ``call`` parameter. + """ + if self.default_map is not None: + value = self.default_map.get(name) + + if call and callable(value): + return value() + + return value + + return None + + def fail(self, message: str) -> "te.NoReturn": + """Aborts the execution of the program with a specific error + message. + + :param message: the error message to fail with. + """ + raise UsageError(message, self) + + def abort(self) -> "te.NoReturn": + """Aborts the script.""" + raise Abort() + + def exit(self, code: int = 0) -> "te.NoReturn": + """Exits the application with a given exit code.""" + raise Exit(code) + + def get_usage(self) -> str: + """Helper method to get formatted usage string for the current + context and command. + """ + return self.command.get_usage(self) + + def get_help(self) -> str: + """Helper method to get formatted help page for the current + context and command. + """ + return self.command.get_help(self) + + def _make_sub_context(self, command: "Command") -> "Context": + """Create a new context of the same type as this context, but + for a new command. + + :meta private: + """ + return type(self)(command, info_name=command.name, parent=self) + + def invoke( + __self, # noqa: B902 + __callback: t.Union["Command", t.Callable[..., t.Any]], + *args: t.Any, + **kwargs: t.Any, + ) -> t.Any: + """Invokes a command callback in exactly the way it expects. There + are two ways to invoke this method: + + 1. the first argument can be a callback and all other arguments and + keyword arguments are forwarded directly to the function. + 2. the first argument is a click command object. In that case all + arguments are forwarded as well but proper click parameters + (options and click arguments) must be keyword arguments and Click + will fill in defaults. + + Note that before Click 3.2 keyword arguments were not properly filled + in against the intention of this code and no context was created. For + more information about this change and why it was done in a bugfix + release see :ref:`upgrade-to-3.2`. + + .. versionchanged:: 8.0 + All ``kwargs`` are tracked in :attr:`params` so they will be + passed if :meth:`forward` is called at multiple levels. + """ + if isinstance(__callback, Command): + other_cmd = __callback + + if other_cmd.callback is None: + raise TypeError( + "The given command does not have a callback that can be invoked." + ) + else: + __callback = other_cmd.callback + + ctx = __self._make_sub_context(other_cmd) + + for param in other_cmd.params: + if param.name not in kwargs and param.expose_value: + kwargs[param.name] = param.get_default(ctx) # type: ignore + + # Track all kwargs as params, so that forward() will pass + # them on in subsequent calls. + ctx.params.update(kwargs) + else: + ctx = __self + + with augment_usage_errors(__self): + with ctx: + return __callback(*args, **kwargs) + + def forward( + __self, __cmd: "Command", *args: t.Any, **kwargs: t.Any # noqa: B902 + ) -> t.Any: + """Similar to :meth:`invoke` but fills in default keyword + arguments from the current context if the other command expects + it. This cannot invoke callbacks directly, only other commands. + + .. versionchanged:: 8.0 + All ``kwargs`` are tracked in :attr:`params` so they will be + passed if ``forward`` is called at multiple levels. + """ + # Can only forward to other commands, not direct callbacks. + if not isinstance(__cmd, Command): + raise TypeError("Callback is not a command.") + + for param in __self.params: + if param not in kwargs: + kwargs[param] = __self.params[param] + + return __self.invoke(__cmd, *args, **kwargs) + + def set_parameter_source(self, name: str, source: ParameterSource) -> None: + """Set the source of a parameter. This indicates the location + from which the value of the parameter was obtained. + + :param name: The name of the parameter. + :param source: A member of :class:`~click.core.ParameterSource`. + """ + self._parameter_source[name] = source + + def get_parameter_source(self, name: str) -> t.Optional[ParameterSource]: + """Get the source of a parameter. This indicates the location + from which the value of the parameter was obtained. + + This can be useful for determining when a user specified a value + on the command line that is the same as the default value. It + will be :attr:`~click.core.ParameterSource.DEFAULT` only if the + value was actually taken from the default. + + :param name: The name of the parameter. + :rtype: ParameterSource + + .. versionchanged:: 8.0 + Returns ``None`` if the parameter was not provided from any + source. + """ + return self._parameter_source.get(name) + + +class BaseCommand: + """The base command implements the minimal API contract of commands. + Most code will never use this as it does not implement a lot of useful + functionality but it can act as the direct subclass of alternative + parsing methods that do not depend on the Click parser. + + For instance, this can be used to bridge Click and other systems like + argparse or docopt. + + Because base commands do not implement a lot of the API that other + parts of Click take for granted, they are not supported for all + operations. For instance, they cannot be used with the decorators + usually and they have no built-in callback system. + + .. versionchanged:: 2.0 + Added the `context_settings` parameter. + + :param name: the name of the command to use unless a group overrides it. + :param context_settings: an optional dictionary with defaults that are + passed to the context object. + """ + + #: The context class to create with :meth:`make_context`. + #: + #: .. versionadded:: 8.0 + context_class: t.Type[Context] = Context + #: the default for the :attr:`Context.allow_extra_args` flag. + allow_extra_args = False + #: the default for the :attr:`Context.allow_interspersed_args` flag. + allow_interspersed_args = True + #: the default for the :attr:`Context.ignore_unknown_options` flag. + ignore_unknown_options = False + + def __init__( + self, + name: t.Optional[str], + context_settings: t.Optional[t.Dict[str, t.Any]] = None, + ) -> None: + #: the name the command thinks it has. Upon registering a command + #: on a :class:`Group` the group will default the command name + #: with this information. You should instead use the + #: :class:`Context`\'s :attr:`~Context.info_name` attribute. + self.name = name + + if context_settings is None: + context_settings = {} + + #: an optional dictionary with defaults passed to the context. + self.context_settings: t.Dict[str, t.Any] = context_settings + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. This traverses the entire structure + below this command. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + :param ctx: A :class:`Context` representing this command. + + .. versionadded:: 8.0 + """ + return {"name": self.name} + + def __repr__(self) -> str: + return f"<{self.__class__.__name__} {self.name}>" + + def get_usage(self, ctx: Context) -> str: + raise NotImplementedError("Base commands cannot get usage") + + def get_help(self, ctx: Context) -> str: + raise NotImplementedError("Base commands cannot get help") + + def make_context( + self, + info_name: t.Optional[str], + args: t.List[str], + parent: t.Optional[Context] = None, + **extra: t.Any, + ) -> Context: + """This function when given an info name and arguments will kick + off the parsing and create a new :class:`Context`. It does not + invoke the actual command callback though. + + To quickly customize the context class used without overriding + this method, set the :attr:`context_class` attribute. + + :param info_name: the info name for this invocation. Generally this + is the most descriptive name for the script or + command. For the toplevel script it's usually + the name of the script, for commands below it it's + the name of the command. + :param args: the arguments to parse as list of strings. + :param parent: the parent context if available. + :param extra: extra keyword arguments forwarded to the context + constructor. + + .. versionchanged:: 8.0 + Added the :attr:`context_class` attribute. + """ + for key, value in self.context_settings.items(): + if key not in extra: + extra[key] = value + + ctx = self.context_class( + self, info_name=info_name, parent=parent, **extra # type: ignore + ) + + with ctx.scope(cleanup=False): + self.parse_args(ctx, args) + return ctx + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + """Given a context and a list of arguments this creates the parser + and parses the arguments, then modifies the context as necessary. + This is automatically invoked by :meth:`make_context`. + """ + raise NotImplementedError("Base commands do not know how to parse arguments.") + + def invoke(self, ctx: Context) -> t.Any: + """Given a context, this invokes the command. The default + implementation is raising a not implemented error. + """ + raise NotImplementedError("Base commands are not invokable by default") + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of chained multi-commands. + + Any command could be part of a chained multi-command, so sibling + commands are valid at any point during command completion. Other + command classes will return more completions. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results: t.List["CompletionItem"] = [] + + while ctx.parent is not None: + ctx = ctx.parent + + if isinstance(ctx.command, MultiCommand) and ctx.command.chain: + results.extend( + CompletionItem(name, help=command.get_short_help_str()) + for name, command in _complete_visible_commands(ctx, incomplete) + if name not in ctx.protected_args + ) + + return results + + @typing.overload + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: "te.Literal[True]" = True, + **extra: t.Any, + ) -> "te.NoReturn": + ... + + @typing.overload + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: bool = ..., + **extra: t.Any, + ) -> t.Any: + ... + + def main( + self, + args: t.Optional[t.Sequence[str]] = None, + prog_name: t.Optional[str] = None, + complete_var: t.Optional[str] = None, + standalone_mode: bool = True, + windows_expand_args: bool = True, + **extra: t.Any, + ) -> t.Any: + """This is the way to invoke a script with all the bells and + whistles as a command line application. This will always terminate + the application after a call. If this is not wanted, ``SystemExit`` + needs to be caught. + + This method is also available by directly calling the instance of + a :class:`Command`. + + :param args: the arguments that should be used for parsing. If not + provided, ``sys.argv[1:]`` is used. + :param prog_name: the program name that should be used. By default + the program name is constructed by taking the file + name from ``sys.argv[0]``. + :param complete_var: the environment variable that controls the + bash completion support. The default is + ``"__COMPLETE"`` with prog_name in + uppercase. + :param standalone_mode: the default behavior is to invoke the script + in standalone mode. Click will then + handle exceptions and convert them into + error messages and the function will never + return but shut down the interpreter. If + this is set to `False` they will be + propagated to the caller and the return + value of this function is the return value + of :meth:`invoke`. + :param windows_expand_args: Expand glob patterns, user dir, and + env vars in command line args on Windows. + :param extra: extra keyword arguments are forwarded to the context + constructor. See :class:`Context` for more information. + + .. versionchanged:: 8.0.1 + Added the ``windows_expand_args`` parameter to allow + disabling command line arg expansion on Windows. + + .. versionchanged:: 8.0 + When taking arguments from ``sys.argv`` on Windows, glob + patterns, user dir, and env vars are expanded. + + .. versionchanged:: 3.0 + Added the ``standalone_mode`` parameter. + """ + # Verify that the environment is configured correctly, or reject + # further execution to avoid a broken script. + _verify_python_env() + + if args is None: + args = sys.argv[1:] + + if os.name == "nt" and windows_expand_args: + args = _expand_args(args) + else: + args = list(args) + + if prog_name is None: + prog_name = _detect_program_name() + + # Process shell completion requests and exit early. + self._main_shell_completion(extra, prog_name, complete_var) + + try: + try: + with self.make_context(prog_name, args, **extra) as ctx: + rv = self.invoke(ctx) + if not standalone_mode: + return rv + # it's not safe to `ctx.exit(rv)` here! + # note that `rv` may actually contain data like "1" which + # has obvious effects + # more subtle case: `rv=[None, None]` can come out of + # chained commands which all returned `None` -- so it's not + # even always obvious that `rv` indicates success/failure + # by its truthiness/falsiness + ctx.exit() + except (EOFError, KeyboardInterrupt): + echo(file=sys.stderr) + raise Abort() + except ClickException as e: + if not standalone_mode: + raise + e.show() + sys.exit(e.exit_code) + except OSError as e: + if e.errno == errno.EPIPE: + sys.stdout = t.cast(t.TextIO, PacifyFlushWrapper(sys.stdout)) + sys.stderr = t.cast(t.TextIO, PacifyFlushWrapper(sys.stderr)) + sys.exit(1) + else: + raise + except Exit as e: + if standalone_mode: + sys.exit(e.exit_code) + else: + # in non-standalone mode, return the exit code + # note that this is only reached if `self.invoke` above raises + # an Exit explicitly -- thus bypassing the check there which + # would return its result + # the results of non-standalone execution may therefore be + # somewhat ambiguous: if there are codepaths which lead to + # `ctx.exit(1)` and to `return 1`, the caller won't be able to + # tell the difference between the two + return e.exit_code + except Abort: + if not standalone_mode: + raise + echo(_("Aborted!"), file=sys.stderr) + sys.exit(1) + + def _main_shell_completion( + self, + ctx_args: t.Dict[str, t.Any], + prog_name: str, + complete_var: t.Optional[str] = None, + ) -> None: + """Check if the shell is asking for tab completion, process + that, then exit early. Called from :meth:`main` before the + program is invoked. + + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. Defaults to + ``_{PROG_NAME}_COMPLETE``. + """ + if complete_var is None: + complete_var = f"_{prog_name}_COMPLETE".replace("-", "_").upper() + + instruction = os.environ.get(complete_var) + + if not instruction: + return + + from .shell_completion import shell_complete + + rv = shell_complete(self, ctx_args, prog_name, complete_var, instruction) + _fast_exit(rv) + + def __call__(self, *args: t.Any, **kwargs: t.Any) -> t.Any: + """Alias for :meth:`main`.""" + return self.main(*args, **kwargs) + + +class Command(BaseCommand): + """Commands are the basic building block of command line interfaces in + Click. A basic command handles command line parsing and might dispatch + more parsing to commands nested below it. + + .. versionchanged:: 2.0 + Added the `context_settings` parameter. + .. versionchanged:: 8.0 + Added repr showing the command name + .. versionchanged:: 7.1 + Added the `no_args_is_help` parameter. + + :param name: the name of the command to use unless a group overrides it. + :param context_settings: an optional dictionary with defaults that are + passed to the context object. + :param callback: the callback to invoke. This is optional. + :param params: the parameters to register with this command. This can + be either :class:`Option` or :class:`Argument` objects. + :param help: the help string to use for this command. + :param epilog: like the help string but it's printed at the end of the + help page after everything else. + :param short_help: the short help to use for this command. This is + shown on the command listing of the parent command. + :param add_help_option: by default each command registers a ``--help`` + option. This can be disabled by this parameter. + :param no_args_is_help: this controls what happens if no arguments are + provided. This option is disabled by default. + If enabled this will add ``--help`` as argument + if no arguments are passed + :param hidden: hide this command from help outputs. + + :param deprecated: issues a message indicating that + the command is deprecated. + """ + + def __init__( + self, + name: t.Optional[str], + context_settings: t.Optional[t.Dict[str, t.Any]] = None, + callback: t.Optional[t.Callable[..., t.Any]] = None, + params: t.Optional[t.List["Parameter"]] = None, + help: t.Optional[str] = None, + epilog: t.Optional[str] = None, + short_help: t.Optional[str] = None, + options_metavar: t.Optional[str] = "[OPTIONS]", + add_help_option: bool = True, + no_args_is_help: bool = False, + hidden: bool = False, + deprecated: bool = False, + ) -> None: + super().__init__(name, context_settings) + #: the callback to execute when the command fires. This might be + #: `None` in which case nothing happens. + self.callback = callback + #: the list of parameters for this command in the order they + #: should show up in the help page and execute. Eager parameters + #: will automatically be handled before non eager ones. + self.params: t.List["Parameter"] = params or [] + + # if a form feed (page break) is found in the help text, truncate help + # text to the content preceding the first form feed + if help and "\f" in help: + help = help.split("\f", 1)[0] + + self.help = help + self.epilog = epilog + self.options_metavar = options_metavar + self.short_help = short_help + self.add_help_option = add_help_option + self.no_args_is_help = no_args_is_help + self.hidden = hidden + self.deprecated = deprecated + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict(ctx) + info_dict.update( + params=[param.to_info_dict() for param in self.get_params(ctx)], + help=self.help, + epilog=self.epilog, + short_help=self.short_help, + hidden=self.hidden, + deprecated=self.deprecated, + ) + return info_dict + + def get_usage(self, ctx: Context) -> str: + """Formats the usage line into a string and returns it. + + Calls :meth:`format_usage` internally. + """ + formatter = ctx.make_formatter() + self.format_usage(ctx, formatter) + return formatter.getvalue().rstrip("\n") + + def get_params(self, ctx: Context) -> t.List["Parameter"]: + rv = self.params + help_option = self.get_help_option(ctx) + + if help_option is not None: + rv = [*rv, help_option] + + return rv + + def format_usage(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the usage line into the formatter. + + This is a low-level method called by :meth:`get_usage`. + """ + pieces = self.collect_usage_pieces(ctx) + formatter.write_usage(ctx.command_path, " ".join(pieces)) + + def collect_usage_pieces(self, ctx: Context) -> t.List[str]: + """Returns all the pieces that go into the usage line and returns + it as a list of strings. + """ + rv = [self.options_metavar] if self.options_metavar else [] + + for param in self.get_params(ctx): + rv.extend(param.get_usage_pieces(ctx)) + + return rv + + def get_help_option_names(self, ctx: Context) -> t.List[str]: + """Returns the names for the help option.""" + all_names = set(ctx.help_option_names) + for param in self.params: + all_names.difference_update(param.opts) + all_names.difference_update(param.secondary_opts) + return list(all_names) + + def get_help_option(self, ctx: Context) -> t.Optional["Option"]: + """Returns the help option object.""" + help_options = self.get_help_option_names(ctx) + + if not help_options or not self.add_help_option: + return None + + def show_help(ctx: Context, param: "Parameter", value: str) -> None: + if value and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + return Option( + help_options, + is_flag=True, + is_eager=True, + expose_value=False, + callback=show_help, + help=_("Show this message and exit."), + ) + + def make_parser(self, ctx: Context) -> OptionParser: + """Creates the underlying option parser for this command.""" + parser = OptionParser(ctx) + for param in self.get_params(ctx): + param.add_to_parser(parser, ctx) + return parser + + def get_help(self, ctx: Context) -> str: + """Formats the help into a string and returns it. + + Calls :meth:`format_help` internally. + """ + formatter = ctx.make_formatter() + self.format_help(ctx, formatter) + return formatter.getvalue().rstrip("\n") + + def get_short_help_str(self, limit: int = 45) -> str: + """Gets short help for the command or makes it by shortening the + long help string. + """ + text = self.short_help or "" + + if not text and self.help: + text = make_default_short_help(self.help, limit) + + if self.deprecated: + text = _("(Deprecated) {text}").format(text=text) + + return text.strip() + + def format_help(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the help into the formatter if it exists. + + This is a low-level method called by :meth:`get_help`. + + This calls the following methods: + + - :meth:`format_usage` + - :meth:`format_help_text` + - :meth:`format_options` + - :meth:`format_epilog` + """ + self.format_usage(ctx, formatter) + self.format_help_text(ctx, formatter) + self.format_options(ctx, formatter) + self.format_epilog(ctx, formatter) + + def format_help_text(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the help text to the formatter if it exists.""" + text = self.help or "" + + if self.deprecated: + text = _("(Deprecated) {text}").format(text=text) + + if text: + formatter.write_paragraph() + + with formatter.indentation(): + formatter.write_text(text) + + def format_options(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes all the options into the formatter if they exist.""" + opts = [] + for param in self.get_params(ctx): + rv = param.get_help_record(ctx) + if rv is not None: + opts.append(rv) + + if opts: + with formatter.section(_("Options")): + formatter.write_dl(opts) + + def format_epilog(self, ctx: Context, formatter: HelpFormatter) -> None: + """Writes the epilog into the formatter if it exists.""" + if self.epilog: + formatter.write_paragraph() + with formatter.indentation(): + formatter.write_text(self.epilog) + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + if not args and self.no_args_is_help and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + parser = self.make_parser(ctx) + opts, args, param_order = parser.parse_args(args=args) + + for param in iter_params_for_processing(param_order, self.get_params(ctx)): + value, args = param.handle_parse_result(ctx, opts, args) + + if args and not ctx.allow_extra_args and not ctx.resilient_parsing: + ctx.fail( + ngettext( + "Got unexpected extra argument ({args})", + "Got unexpected extra arguments ({args})", + len(args), + ).format(args=" ".join(map(str, args))) + ) + + ctx.args = args + return args + + def invoke(self, ctx: Context) -> t.Any: + """Given a context, this invokes the attached callback (if it exists) + in the right way. + """ + if self.deprecated: + message = _( + "DeprecationWarning: The command {name!r} is deprecated." + ).format(name=self.name) + echo(style(message, fg="red"), err=True) + + if self.callback is not None: + return ctx.invoke(self.callback, **ctx.params) + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of options and chained multi-commands. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results: t.List["CompletionItem"] = [] + + if incomplete and not incomplete[0].isalnum(): + for param in self.get_params(ctx): + if ( + not isinstance(param, Option) + or param.hidden + or ( + not param.multiple + and ctx.get_parameter_source(param.name) # type: ignore + is ParameterSource.COMMANDLINE + ) + ): + continue + + results.extend( + CompletionItem(name, help=param.help) + for name in [*param.opts, *param.secondary_opts] + if name.startswith(incomplete) + ) + + results.extend(super().shell_complete(ctx, incomplete)) + return results + + +class MultiCommand(Command): + """A multi command is the basic implementation of a command that + dispatches to subcommands. The most common version is the + :class:`Group`. + + :param invoke_without_command: this controls how the multi command itself + is invoked. By default it's only invoked + if a subcommand is provided. + :param no_args_is_help: this controls what happens if no arguments are + provided. This option is enabled by default if + `invoke_without_command` is disabled or disabled + if it's enabled. If enabled this will add + ``--help`` as argument if no arguments are + passed. + :param subcommand_metavar: the string that is used in the documentation + to indicate the subcommand place. + :param chain: if this is set to `True` chaining of multiple subcommands + is enabled. This restricts the form of commands in that + they cannot have optional arguments but it allows + multiple commands to be chained together. + :param result_callback: The result callback to attach to this multi + command. This can be set or changed later with the + :meth:`result_callback` decorator. + """ + + allow_extra_args = True + allow_interspersed_args = False + + def __init__( + self, + name: t.Optional[str] = None, + invoke_without_command: bool = False, + no_args_is_help: t.Optional[bool] = None, + subcommand_metavar: t.Optional[str] = None, + chain: bool = False, + result_callback: t.Optional[t.Callable[..., t.Any]] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + + if no_args_is_help is None: + no_args_is_help = not invoke_without_command + + self.no_args_is_help = no_args_is_help + self.invoke_without_command = invoke_without_command + + if subcommand_metavar is None: + if chain: + subcommand_metavar = "COMMAND1 [ARGS]... [COMMAND2 [ARGS]...]..." + else: + subcommand_metavar = "COMMAND [ARGS]..." + + self.subcommand_metavar = subcommand_metavar + self.chain = chain + # The result callback that is stored. This can be set or + # overridden with the :func:`result_callback` decorator. + self._result_callback = result_callback + + if self.chain: + for param in self.params: + if isinstance(param, Argument) and not param.required: + raise RuntimeError( + "Multi commands in chain mode cannot have" + " optional arguments." + ) + + def to_info_dict(self, ctx: Context) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict(ctx) + commands = {} + + for name in self.list_commands(ctx): + command = self.get_command(ctx, name) + + if command is None: + continue + + sub_ctx = ctx._make_sub_context(command) + + with sub_ctx.scope(cleanup=False): + commands[name] = command.to_info_dict(sub_ctx) + + info_dict.update(commands=commands, chain=self.chain) + return info_dict + + def collect_usage_pieces(self, ctx: Context) -> t.List[str]: + rv = super().collect_usage_pieces(ctx) + rv.append(self.subcommand_metavar) + return rv + + def format_options(self, ctx: Context, formatter: HelpFormatter) -> None: + super().format_options(ctx, formatter) + self.format_commands(ctx, formatter) + + def result_callback(self, replace: bool = False) -> t.Callable[[F], F]: + """Adds a result callback to the command. By default if a + result callback is already registered this will chain them but + this can be disabled with the `replace` parameter. The result + callback is invoked with the return value of the subcommand + (or the list of return values from all subcommands if chaining + is enabled) as well as the parameters as they would be passed + to the main callback. + + Example:: + + @click.group() + @click.option('-i', '--input', default=23) + def cli(input): + return 42 + + @cli.result_callback() + def process_result(result, input): + return result + input + + :param replace: if set to `True` an already existing result + callback will be removed. + + .. versionchanged:: 8.0 + Renamed from ``resultcallback``. + + .. versionadded:: 3.0 + """ + + def decorator(f: F) -> F: + old_callback = self._result_callback + + if old_callback is None or replace: + self._result_callback = f + return f + + def function(__value, *args, **kwargs): # type: ignore + inner = old_callback(__value, *args, **kwargs) # type: ignore + return f(inner, *args, **kwargs) + + self._result_callback = rv = update_wrapper(t.cast(F, function), f) + return rv + + return decorator + + def resultcallback(self, replace: bool = False) -> t.Callable[[F], F]: + import warnings + + warnings.warn( + "'resultcallback' has been renamed to 'result_callback'." + " The old name will be removed in Click 8.1.", + DeprecationWarning, + stacklevel=2, + ) + return self.result_callback(replace=replace) + + def format_commands(self, ctx: Context, formatter: HelpFormatter) -> None: + """Extra format methods for multi methods that adds all the commands + after the options. + """ + commands = [] + for subcommand in self.list_commands(ctx): + cmd = self.get_command(ctx, subcommand) + # What is this, the tool lied about a command. Ignore it + if cmd is None: + continue + if cmd.hidden: + continue + + commands.append((subcommand, cmd)) + + # allow for 3 times the default spacing + if len(commands): + limit = formatter.width - 6 - max(len(cmd[0]) for cmd in commands) + + rows = [] + for subcommand, cmd in commands: + help = cmd.get_short_help_str(limit) + rows.append((subcommand, help)) + + if rows: + with formatter.section(_("Commands")): + formatter.write_dl(rows) + + def parse_args(self, ctx: Context, args: t.List[str]) -> t.List[str]: + if not args and self.no_args_is_help and not ctx.resilient_parsing: + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + rest = super().parse_args(ctx, args) + + if self.chain: + ctx.protected_args = rest + ctx.args = [] + elif rest: + ctx.protected_args, ctx.args = rest[:1], rest[1:] + + return ctx.args + + def invoke(self, ctx: Context) -> t.Any: + def _process_result(value: t.Any) -> t.Any: + if self._result_callback is not None: + value = ctx.invoke(self._result_callback, value, **ctx.params) + return value + + if not ctx.protected_args: + if self.invoke_without_command: + # No subcommand was invoked, so the result callback is + # invoked with None for regular groups, or an empty list + # for chained groups. + with ctx: + super().invoke(ctx) + return _process_result([] if self.chain else None) + ctx.fail(_("Missing command.")) + + # Fetch args back out + args = [*ctx.protected_args, *ctx.args] + ctx.args = [] + ctx.protected_args = [] + + # If we're not in chain mode, we only allow the invocation of a + # single command but we also inform the current context about the + # name of the command to invoke. + if not self.chain: + # Make sure the context is entered so we do not clean up + # resources until the result processor has worked. + with ctx: + cmd_name, cmd, args = self.resolve_command(ctx, args) + assert cmd is not None + ctx.invoked_subcommand = cmd_name + super().invoke(ctx) + sub_ctx = cmd.make_context(cmd_name, args, parent=ctx) + with sub_ctx: + return _process_result(sub_ctx.command.invoke(sub_ctx)) + + # In chain mode we create the contexts step by step, but after the + # base command has been invoked. Because at that point we do not + # know the subcommands yet, the invoked subcommand attribute is + # set to ``*`` to inform the command that subcommands are executed + # but nothing else. + with ctx: + ctx.invoked_subcommand = "*" if args else None + super().invoke(ctx) + + # Otherwise we make every single context and invoke them in a + # chain. In that case the return value to the result processor + # is the list of all invoked subcommand's results. + contexts = [] + while args: + cmd_name, cmd, args = self.resolve_command(ctx, args) + assert cmd is not None + sub_ctx = cmd.make_context( + cmd_name, + args, + parent=ctx, + allow_extra_args=True, + allow_interspersed_args=False, + ) + contexts.append(sub_ctx) + args, sub_ctx.args = sub_ctx.args, [] + + rv = [] + for sub_ctx in contexts: + with sub_ctx: + rv.append(sub_ctx.command.invoke(sub_ctx)) + return _process_result(rv) + + def resolve_command( + self, ctx: Context, args: t.List[str] + ) -> t.Tuple[t.Optional[str], t.Optional[Command], t.List[str]]: + cmd_name = make_str(args[0]) + original_cmd_name = cmd_name + + # Get the command + cmd = self.get_command(ctx, cmd_name) + + # If we can't find the command but there is a normalization + # function available, we try with that one. + if cmd is None and ctx.token_normalize_func is not None: + cmd_name = ctx.token_normalize_func(cmd_name) + cmd = self.get_command(ctx, cmd_name) + + # If we don't find the command we want to show an error message + # to the user that it was not provided. However, there is + # something else we should do: if the first argument looks like + # an option we want to kick off parsing again for arguments to + # resolve things like --help which now should go to the main + # place. + if cmd is None and not ctx.resilient_parsing: + if split_opt(cmd_name)[0]: + self.parse_args(ctx, ctx.args) + ctx.fail(_("No such command {name!r}.").format(name=original_cmd_name)) + return cmd_name if cmd else None, cmd, args[1:] + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + """Given a context and a command name, this returns a + :class:`Command` object if it exists or returns `None`. + """ + raise NotImplementedError + + def list_commands(self, ctx: Context) -> t.List[str]: + """Returns a list of subcommand names in the order they should + appear. + """ + return [] + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. Looks + at the names of options, subcommands, and chained + multi-commands. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + results = [ + CompletionItem(name, help=command.get_short_help_str()) + for name, command in _complete_visible_commands(ctx, incomplete) + ] + results.extend(super().shell_complete(ctx, incomplete)) + return results + + +class Group(MultiCommand): + """A group allows a command to have subcommands attached. This is + the most common way to implement nesting in Click. + + :param name: The name of the group command. + :param commands: A dict mapping names to :class:`Command` objects. + Can also be a list of :class:`Command`, which will use + :attr:`Command.name` to create the dict. + :param attrs: Other command arguments described in + :class:`MultiCommand`, :class:`Command`, and + :class:`BaseCommand`. + + .. versionchanged:: 8.0 + The ``commmands`` argument can be a list of command objects. + """ + + #: If set, this is used by the group's :meth:`command` decorator + #: as the default :class:`Command` class. This is useful to make all + #: subcommands use a custom command class. + #: + #: .. versionadded:: 8.0 + command_class: t.Optional[t.Type[Command]] = None + + #: If set, this is used by the group's :meth:`group` decorator + #: as the default :class:`Group` class. This is useful to make all + #: subgroups use a custom group class. + #: + #: If set to the special value :class:`type` (literally + #: ``group_class = type``), this group's class will be used as the + #: default class. This makes a custom group class continue to make + #: custom groups. + #: + #: .. versionadded:: 8.0 + group_class: t.Optional[t.Union[t.Type["Group"], t.Type[type]]] = None + # Literal[type] isn't valid, so use Type[type] + + def __init__( + self, + name: t.Optional[str] = None, + commands: t.Optional[t.Union[t.Dict[str, Command], t.Sequence[Command]]] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + + if commands is None: + commands = {} + elif isinstance(commands, abc.Sequence): + commands = {c.name: c for c in commands if c.name is not None} + + #: The registered subcommands by their exported names. + self.commands: t.Dict[str, Command] = commands + + def add_command(self, cmd: Command, name: t.Optional[str] = None) -> None: + """Registers another :class:`Command` with this group. If the name + is not provided, the name of the command is used. + """ + name = name or cmd.name + if name is None: + raise TypeError("Command has no name.") + _check_multicommand(self, name, cmd, register=True) + self.commands[name] = cmd + + def command( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Callable[[t.Callable[..., t.Any]], Command]: + """A shortcut decorator for declaring and attaching a command to + the group. This takes the same arguments as :func:`command` and + immediately registers the created command with this group by + calling :meth:`add_command`. + + To customize the command class used, set the + :attr:`command_class` attribute. + + .. versionchanged:: 8.0 + Added the :attr:`command_class` attribute. + """ + from .decorators import command + + if self.command_class is not None and "cls" not in kwargs: + kwargs["cls"] = self.command_class + + def decorator(f: t.Callable[..., t.Any]) -> Command: + cmd = command(*args, **kwargs)(f) + self.add_command(cmd) + return cmd + + return decorator + + def group( + self, *args: t.Any, **kwargs: t.Any + ) -> t.Callable[[t.Callable[..., t.Any]], "Group"]: + """A shortcut decorator for declaring and attaching a group to + the group. This takes the same arguments as :func:`group` and + immediately registers the created group with this group by + calling :meth:`add_command`. + + To customize the group class used, set the :attr:`group_class` + attribute. + + .. versionchanged:: 8.0 + Added the :attr:`group_class` attribute. + """ + from .decorators import group + + if self.group_class is not None and "cls" not in kwargs: + if self.group_class is type: + kwargs["cls"] = type(self) + else: + kwargs["cls"] = self.group_class + + def decorator(f: t.Callable[..., t.Any]) -> "Group": + cmd = group(*args, **kwargs)(f) + self.add_command(cmd) + return cmd + + return decorator + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + return self.commands.get(cmd_name) + + def list_commands(self, ctx: Context) -> t.List[str]: + return sorted(self.commands) + + +class CommandCollection(MultiCommand): + """A command collection is a multi command that merges multiple multi + commands together into one. This is a straightforward implementation + that accepts a list of different multi commands as sources and + provides all the commands for each of them. + """ + + def __init__( + self, + name: t.Optional[str] = None, + sources: t.Optional[t.List[MultiCommand]] = None, + **attrs: t.Any, + ) -> None: + super().__init__(name, **attrs) + #: The list of registered multi commands. + self.sources: t.List[MultiCommand] = sources or [] + + def add_source(self, multi_cmd: MultiCommand) -> None: + """Adds a new multi command to the chain dispatcher.""" + self.sources.append(multi_cmd) + + def get_command(self, ctx: Context, cmd_name: str) -> t.Optional[Command]: + for source in self.sources: + rv = source.get_command(ctx, cmd_name) + + if rv is not None: + if self.chain: + _check_multicommand(self, cmd_name, rv) + + return rv + + return None + + def list_commands(self, ctx: Context) -> t.List[str]: + rv: t.Set[str] = set() + + for source in self.sources: + rv.update(source.list_commands(ctx)) + + return sorted(rv) + + +def _check_iter(value: t.Any) -> t.Iterator[t.Any]: + """Check if the value is iterable but not a string. Raises a type + error, or return an iterator over the value. + """ + if isinstance(value, str): + raise TypeError + + return iter(value) + + +class Parameter: + r"""A parameter to a command comes in two versions: they are either + :class:`Option`\s or :class:`Argument`\s. Other subclasses are currently + not supported by design as some of the internals for parsing are + intentionally not finalized. + + Some settings are supported by both options and arguments. + + :param param_decls: the parameter declarations for this option or + argument. This is a list of flags or argument + names. + :param type: the type that should be used. Either a :class:`ParamType` + or a Python type. The later is converted into the former + automatically if supported. + :param required: controls if this is optional or not. + :param default: the default value if omitted. This can also be a callable, + in which case it's invoked when the default is needed + without any arguments. + :param callback: A function to further process or validate the value + after type conversion. It is called as ``f(ctx, param, value)`` + and must return the value. It is called for all sources, + including prompts. + :param nargs: the number of arguments to match. If not ``1`` the return + value is a tuple instead of single value. The default for + nargs is ``1`` (except if the type is a tuple, then it's + the arity of the tuple). If ``nargs=-1``, all remaining + parameters are collected. + :param metavar: how the value is represented in the help page. + :param expose_value: if this is `True` then the value is passed onwards + to the command callback and stored on the context, + otherwise it's skipped. + :param is_eager: eager values are processed before non eager ones. This + should not be set for arguments or it will inverse the + order of processing. + :param envvar: a string or list of strings that are environment variables + that should be checked. + :param shell_complete: A function that returns custom shell + completions. Used instead of the param's type completion if + given. Takes ``ctx, param, incomplete`` and must return a list + of :class:`~click.shell_completion.CompletionItem` or a list of + strings. + + .. versionchanged:: 8.0 + ``process_value`` validates required parameters and bounded + ``nargs``, and invokes the parameter callback before returning + the value. This allows the callback to validate prompts. + ``full_process_value`` is removed. + + .. versionchanged:: 8.0 + ``autocompletion`` is renamed to ``shell_complete`` and has new + semantics described above. The old name is deprecated and will + be removed in 8.1, until then it will be wrapped to match the + new requirements. + + .. versionchanged:: 8.0 + For ``multiple=True, nargs>1``, the default must be a list of + tuples. + + .. versionchanged:: 8.0 + Setting a default is no longer required for ``nargs>1``, it will + default to ``None``. ``multiple=True`` or ``nargs=-1`` will + default to ``()``. + + .. versionchanged:: 7.1 + Empty environment variables are ignored rather than taking the + empty string value. This makes it possible for scripts to clear + variables if they can't unset them. + + .. versionchanged:: 2.0 + Changed signature for parameter callback to also be passed the + parameter. The old callback format will still work, but it will + raise a warning to give you a chance to migrate the code easier. + """ + + param_type_name = "parameter" + + def __init__( + self, + param_decls: t.Optional[t.Sequence[str]] = None, + type: t.Optional[t.Union[types.ParamType, t.Any]] = None, + required: bool = False, + default: t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]] = None, + callback: t.Optional[t.Callable[[Context, "Parameter", t.Any], t.Any]] = None, + nargs: t.Optional[int] = None, + multiple: bool = False, + metavar: t.Optional[str] = None, + expose_value: bool = True, + is_eager: bool = False, + envvar: t.Optional[t.Union[str, t.Sequence[str]]] = None, + shell_complete: t.Optional[ + t.Callable[ + [Context, "Parameter", str], + t.Union[t.List["CompletionItem"], t.List[str]], + ] + ] = None, + autocompletion: t.Optional[ + t.Callable[ + [Context, t.List[str], str], t.List[t.Union[t.Tuple[str, str], str]] + ] + ] = None, + ) -> None: + self.name, self.opts, self.secondary_opts = self._parse_decls( + param_decls or (), expose_value + ) + self.type = types.convert_type(type, default) + + # Default nargs to what the type tells us if we have that + # information available. + if nargs is None: + if self.type.is_composite: + nargs = self.type.arity + else: + nargs = 1 + + self.required = required + self.callback = callback + self.nargs = nargs + self.multiple = multiple + self.expose_value = expose_value + self.default = default + self.is_eager = is_eager + self.metavar = metavar + self.envvar = envvar + + if autocompletion is not None: + import warnings + + warnings.warn( + "'autocompletion' is renamed to 'shell_complete'. The old name is" + " deprecated and will be removed in Click 8.1. See the docs about" + " 'Parameter' for information about new behavior.", + DeprecationWarning, + stacklevel=2, + ) + + def shell_complete( + ctx: Context, param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + from click.shell_completion import CompletionItem + + out = [] + + for c in autocompletion(ctx, [], incomplete): # type: ignore + if isinstance(c, tuple): + c = CompletionItem(c[0], help=c[1]) + elif isinstance(c, str): + c = CompletionItem(c) + + if c.value.startswith(incomplete): + out.append(c) + + return out + + self._custom_shell_complete = shell_complete + + if __debug__: + if self.type.is_composite and nargs != self.type.arity: + raise ValueError( + f"'nargs' must be {self.type.arity} (or None) for" + f" type {self.type!r}, but it was {nargs}." + ) + + # Skip no default or callable default. + check_default = default if not callable(default) else None + + if check_default is not None: + if multiple: + try: + # Only check the first value against nargs. + check_default = next(_check_iter(check_default), None) + except TypeError: + raise ValueError( + "'default' must be a list when 'multiple' is true." + ) from None + + # Can be None for multiple with empty default. + if nargs != 1 and check_default is not None: + try: + _check_iter(check_default) + except TypeError: + if multiple: + message = ( + "'default' must be a list of lists when 'multiple' is" + " true and 'nargs' != 1." + ) + else: + message = "'default' must be a list when 'nargs' != 1." + + raise ValueError(message) from None + + if nargs > 1 and len(check_default) != nargs: + subject = "item length" if multiple else "length" + raise ValueError( + f"'default' {subject} must match nargs={nargs}." + ) + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + .. versionadded:: 8.0 + """ + return { + "name": self.name, + "param_type_name": self.param_type_name, + "opts": self.opts, + "secondary_opts": self.secondary_opts, + "type": self.type.to_info_dict(), + "required": self.required, + "nargs": self.nargs, + "multiple": self.multiple, + "default": self.default, + "envvar": self.envvar, + } + + def __repr__(self) -> str: + return f"<{self.__class__.__name__} {self.name}>" + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + raise NotImplementedError() + + @property + def human_readable_name(self) -> str: + """Returns the human readable name of this parameter. This is the + same as the name for options, but the metavar for arguments. + """ + return self.name # type: ignore + + def make_metavar(self) -> str: + if self.metavar is not None: + return self.metavar + + metavar = self.type.get_metavar(self) + + if metavar is None: + metavar = self.type.name.upper() + + if self.nargs != 1: + metavar += "..." + + return metavar + + @typing.overload + def get_default( + self, ctx: Context, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @typing.overload + def get_default( + self, ctx: Context, call: bool = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def get_default( + self, ctx: Context, call: bool = True + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + """Get the default for the parameter. Tries + :meth:`Context.lookup_value` first, then the local default. + + :param ctx: Current context. + :param call: If the default is a callable, call it. Disable to + return the callable instead. + + .. versionchanged:: 8.0.1 + Type casting can fail in resilient parsing mode. Invalid + defaults will not prevent showing help text. + + .. versionchanged:: 8.0 + Looks at ``ctx.default_map`` first. + + .. versionchanged:: 8.0 + Added the ``call`` parameter. + """ + value = ctx.lookup_default(self.name, call=False) # type: ignore + + if value is None: + value = self.default + + if callable(value): + if not call: + # Don't type cast the callable. + return value + + value = value() + + try: + return self.type_cast_value(ctx, value) + except BadParameter: + if ctx.resilient_parsing: + return value + + raise + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + raise NotImplementedError() + + def consume_value( + self, ctx: Context, opts: t.Mapping[str, t.Any] + ) -> t.Tuple[t.Any, ParameterSource]: + value = opts.get(self.name) # type: ignore + source = ParameterSource.COMMANDLINE + + if value is None: + value = self.value_from_envvar(ctx) + source = ParameterSource.ENVIRONMENT + + if value is None: + value = ctx.lookup_default(self.name) # type: ignore + source = ParameterSource.DEFAULT_MAP + + if value is None: + value = self.get_default(ctx) + source = ParameterSource.DEFAULT + + return value, source + + def type_cast_value(self, ctx: Context, value: t.Any) -> t.Any: + """Convert and validate a value against the option's + :attr:`type`, :attr:`multiple`, and :attr:`nargs`. + """ + if value is None: + return () if self.multiple or self.nargs == -1 else None + + def check_iter(value: t.Any) -> t.Iterator: + try: + return _check_iter(value) + except TypeError: + # This should only happen when passing in args manually, + # the parser should construct an iterable when parsing + # the command line. + raise BadParameter( + _("Value must be an iterable."), ctx=ctx, param=self + ) from None + + if self.nargs == 1 or self.type.is_composite: + convert: t.Callable[[t.Any], t.Any] = partial( + self.type, param=self, ctx=ctx + ) + elif self.nargs == -1: + + def convert(value: t.Any) -> t.Tuple: + return tuple(self.type(x, self, ctx) for x in check_iter(value)) + + else: # nargs > 1 + + def convert(value: t.Any) -> t.Tuple: + value = tuple(check_iter(value)) + + if len(value) != self.nargs: + raise BadParameter( + ngettext( + "Takes {nargs} values but 1 was given.", + "Takes {nargs} values but {len} were given.", + len(value), + ).format(nargs=self.nargs, len=len(value)), + ctx=ctx, + param=self, + ) + + return tuple(self.type(x, self, ctx) for x in value) + + if self.multiple: + return tuple(convert(x) for x in check_iter(value)) + + return convert(value) + + def value_is_missing(self, value: t.Any) -> bool: + if value is None: + return True + + if (self.nargs != 1 or self.multiple) and value == (): + return True + + return False + + def process_value(self, ctx: Context, value: t.Any) -> t.Any: + if value is not None: + value = self.type_cast_value(ctx, value) + + if self.required and self.value_is_missing(value): + raise MissingParameter(ctx=ctx, param=self) + + if self.callback is not None: + value = self.callback(ctx, self, value) + + return value + + def resolve_envvar_value(self, ctx: Context) -> t.Optional[str]: + if self.envvar is None: + return None + + if isinstance(self.envvar, str): + rv = os.environ.get(self.envvar) + + if rv: + return rv + else: + for envvar in self.envvar: + rv = os.environ.get(envvar) + + if rv: + return rv + + return None + + def value_from_envvar(self, ctx: Context) -> t.Optional[t.Any]: + rv: t.Optional[t.Any] = self.resolve_envvar_value(ctx) + + if rv is not None and self.nargs != 1: + rv = self.type.split_envvar_value(rv) + + return rv + + def handle_parse_result( + self, ctx: Context, opts: t.Mapping[str, t.Any], args: t.List[str] + ) -> t.Tuple[t.Any, t.List[str]]: + with augment_usage_errors(ctx, param=self): + value, source = self.consume_value(ctx, opts) + ctx.set_parameter_source(self.name, source) # type: ignore + + try: + value = self.process_value(ctx, value) + except Exception: + if not ctx.resilient_parsing: + raise + + value = None + + if self.expose_value: + ctx.params[self.name] = value # type: ignore + + return value, args + + def get_help_record(self, ctx: Context) -> t.Optional[t.Tuple[str, str]]: + pass + + def get_usage_pieces(self, ctx: Context) -> t.List[str]: + return [] + + def get_error_hint(self, ctx: Context) -> str: + """Get a stringified version of the param for use in error messages to + indicate which param caused the error. + """ + hint_list = self.opts or [self.human_readable_name] + return " / ".join(f"'{x}'" for x in hint_list) + + def shell_complete(self, ctx: Context, incomplete: str) -> t.List["CompletionItem"]: + """Return a list of completions for the incomplete value. If a + ``shell_complete`` function was given during init, it is used. + Otherwise, the :attr:`type` + :meth:`~click.types.ParamType.shell_complete` function is used. + + :param ctx: Invocation context for this command. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + if self._custom_shell_complete is not None: + results = self._custom_shell_complete(ctx, self, incomplete) + + if results and isinstance(results[0], str): + from click.shell_completion import CompletionItem + + results = [CompletionItem(c) for c in results] + + return t.cast(t.List["CompletionItem"], results) + + return self.type.shell_complete(ctx, self, incomplete) + + +class Option(Parameter): + """Options are usually optional values on the command line and + have some extra features that arguments don't have. + + All other parameters are passed onwards to the parameter constructor. + + :param show_default: controls if the default value should be shown on the + help page. Normally, defaults are not shown. If this + value is a string, it shows the string instead of the + value. This is particularly useful for dynamic options. + :param show_envvar: controls if an environment variable should be shown on + the help page. Normally, environment variables + are not shown. + :param prompt: if set to `True` or a non empty string then the user will be + prompted for input. If set to `True` the prompt will be the + option name capitalized. + :param confirmation_prompt: Prompt a second time to confirm the + value if it was prompted for. Can be set to a string instead of + ``True`` to customize the message. + :param prompt_required: If set to ``False``, the user will be + prompted for input only when the option was specified as a flag + without a value. + :param hide_input: if this is `True` then the input on the prompt will be + hidden from the user. This is useful for password + input. + :param is_flag: forces this option to act as a flag. The default is + auto detection. + :param flag_value: which value should be used for this flag if it's + enabled. This is set to a boolean automatically if + the option string contains a slash to mark two options. + :param multiple: if this is set to `True` then the argument is accepted + multiple times and recorded. This is similar to ``nargs`` + in how it works but supports arbitrary number of + arguments. + :param count: this flag makes an option increment an integer. + :param allow_from_autoenv: if this is enabled then the value of this + parameter will be pulled from an environment + variable in case a prefix is defined on the + context. + :param help: the help string. + :param hidden: hide this option from help outputs. + + .. versionchanged:: 8.0.1 + ``type`` is detected from ``flag_value`` if given. + """ + + param_type_name = "option" + + def __init__( + self, + param_decls: t.Optional[t.Sequence[str]] = None, + show_default: bool = False, + prompt: t.Union[bool, str] = False, + confirmation_prompt: t.Union[bool, str] = False, + prompt_required: bool = True, + hide_input: bool = False, + is_flag: t.Optional[bool] = None, + flag_value: t.Optional[t.Any] = None, + multiple: bool = False, + count: bool = False, + allow_from_autoenv: bool = True, + type: t.Optional[t.Union[types.ParamType, t.Any]] = None, + help: t.Optional[str] = None, + hidden: bool = False, + show_choices: bool = True, + show_envvar: bool = False, + **attrs: t.Any, + ) -> None: + default_is_missing = "default" not in attrs + super().__init__(param_decls, type=type, multiple=multiple, **attrs) + + if prompt is True: + if self.name is None: + raise TypeError("'name' is required with 'prompt=True'.") + + prompt_text: t.Optional[str] = self.name.replace("_", " ").capitalize() + elif prompt is False: + prompt_text = None + else: + prompt_text = t.cast(str, prompt) + + self.prompt = prompt_text + self.confirmation_prompt = confirmation_prompt + self.prompt_required = prompt_required + self.hide_input = hide_input + self.hidden = hidden + + # If prompt is enabled but not required, then the option can be + # used as a flag to indicate using prompt or flag_value. + self._flag_needs_value = self.prompt is not None and not self.prompt_required + + if is_flag is None: + if flag_value is not None: + # Implicitly a flag because flag_value was set. + is_flag = True + elif self._flag_needs_value: + # Not a flag, but when used as a flag it shows a prompt. + is_flag = False + else: + # Implicitly a flag because flag options were given. + is_flag = bool(self.secondary_opts) + elif is_flag is False and not self._flag_needs_value: + # Not a flag, and prompt is not enabled, can be used as a + # flag if flag_value is set. + self._flag_needs_value = flag_value is not None + + if is_flag and default_is_missing: + self.default: t.Union[t.Any, t.Callable[[], t.Any]] = False + + if flag_value is None: + flag_value = not self.default + + if is_flag and type is None: + # Re-guess the type from the flag value instead of the + # default. + self.type = types.convert_type(None, flag_value) + + self.is_flag: bool = is_flag + self.is_bool_flag = isinstance(self.type, types.BoolParamType) + self.flag_value: t.Any = flag_value + + # Counting + self.count = count + if count: + if type is None: + self.type = types.IntRange(min=0) + if default_is_missing: + self.default = 0 + + self.allow_from_autoenv = allow_from_autoenv + self.help = help + self.show_default = show_default + self.show_choices = show_choices + self.show_envvar = show_envvar + + if __debug__: + if self.nargs == -1: + raise TypeError("nargs=-1 is not supported for options.") + + if self.prompt and self.is_flag and not self.is_bool_flag: + raise TypeError("'prompt' is not valid for non-boolean flag.") + + if not self.is_bool_flag and self.secondary_opts: + raise TypeError("Secondary flag is not valid for non-boolean flag.") + + if self.is_bool_flag and self.hide_input and self.prompt is not None: + raise TypeError( + "'prompt' with 'hide_input' is not valid for boolean flag." + ) + + if self.count: + if self.multiple: + raise TypeError("'count' is not valid with 'multiple'.") + + if self.is_flag: + raise TypeError("'count' is not valid with 'is_flag'.") + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + help=self.help, + prompt=self.prompt, + is_flag=self.is_flag, + flag_value=self.flag_value, + count=self.count, + hidden=self.hidden, + ) + return info_dict + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + opts = [] + secondary_opts = [] + name = None + possible_names = [] + + for decl in decls: + if decl.isidentifier(): + if name is not None: + raise TypeError("Name defined twice") + name = decl + else: + split_char = ";" if decl[:1] == "/" else "/" + if split_char in decl: + first, second = decl.split(split_char, 1) + first = first.rstrip() + if first: + possible_names.append(split_opt(first)) + opts.append(first) + second = second.lstrip() + if second: + secondary_opts.append(second.lstrip()) + if first == second: + raise ValueError( + f"Boolean option {decl!r} cannot use the" + " same flag for true/false." + ) + else: + possible_names.append(split_opt(decl)) + opts.append(decl) + + if name is None and possible_names: + possible_names.sort(key=lambda x: -len(x[0])) # group long options first + name = possible_names[0][1].replace("-", "_").lower() + if not name.isidentifier(): + name = None + + if name is None: + if not expose_value: + return None, opts, secondary_opts + raise TypeError("Could not determine name for option") + + if not opts and not secondary_opts: + raise TypeError( + f"No options defined but a name was passed ({name})." + " Did you mean to declare an argument instead? Did" + f" you mean to pass '--{name}'?" + ) + + return name, opts, secondary_opts + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + if self.multiple: + action = "append" + elif self.count: + action = "count" + else: + action = "store" + + if self.is_flag: + action = f"{action}_const" + + if self.is_bool_flag and self.secondary_opts: + parser.add_option( + obj=self, opts=self.opts, dest=self.name, action=action, const=True + ) + parser.add_option( + obj=self, + opts=self.secondary_opts, + dest=self.name, + action=action, + const=False, + ) + else: + parser.add_option( + obj=self, + opts=self.opts, + dest=self.name, + action=action, + const=self.flag_value, + ) + else: + parser.add_option( + obj=self, + opts=self.opts, + dest=self.name, + action=action, + nargs=self.nargs, + ) + + def get_help_record(self, ctx: Context) -> t.Optional[t.Tuple[str, str]]: + if self.hidden: + return None + + any_prefix_is_slash = False + + def _write_opts(opts: t.Sequence[str]) -> str: + nonlocal any_prefix_is_slash + + rv, any_slashes = join_options(opts) + + if any_slashes: + any_prefix_is_slash = True + + if not self.is_flag and not self.count: + rv += f" {self.make_metavar()}" + + return rv + + rv = [_write_opts(self.opts)] + + if self.secondary_opts: + rv.append(_write_opts(self.secondary_opts)) + + help = self.help or "" + extra = [] + + if self.show_envvar: + envvar = self.envvar + + if envvar is None: + if ( + self.allow_from_autoenv + and ctx.auto_envvar_prefix is not None + and self.name is not None + ): + envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}" + + if envvar is not None: + var_str = ( + envvar + if isinstance(envvar, str) + else ", ".join(str(d) for d in envvar) + ) + extra.append(_("env var: {var}").format(var=var_str)) + + # Temporarily enable resilient parsing to avoid type casting + # failing for the default. Might be possible to extend this to + # help formatting in general. + resilient = ctx.resilient_parsing + ctx.resilient_parsing = True + + try: + default_value = self.get_default(ctx, call=False) + finally: + ctx.resilient_parsing = resilient + + show_default_is_str = isinstance(self.show_default, str) + + if show_default_is_str or ( + default_value is not None and (self.show_default or ctx.show_default) + ): + if show_default_is_str: + default_string = f"({self.show_default})" + elif isinstance(default_value, (list, tuple)): + default_string = ", ".join(str(d) for d in default_value) + elif callable(default_value): + default_string = _("(dynamic)") + elif self.is_bool_flag and self.secondary_opts: + # For boolean flags that have distinct True/False opts, + # use the opt without prefix instead of the value. + default_string = split_opt( + (self.opts if self.default else self.secondary_opts)[0] + )[1] + else: + default_string = str(default_value) + + extra.append(_("default: {default}").format(default=default_string)) + + if isinstance(self.type, types._NumberRangeBase): + range_str = self.type._describe_range() + + if range_str: + extra.append(range_str) + + if self.required: + extra.append(_("required")) + + if extra: + extra_str = ";".join(extra) + help = f"{help} [{extra_str}]" if help else f"[{extra_str}]" + + return ("; " if any_prefix_is_slash else " / ").join(rv), help + + @typing.overload + def get_default( + self, ctx: Context, call: "te.Literal[True]" = True + ) -> t.Optional[t.Any]: + ... + + @typing.overload + def get_default( + self, ctx: Context, call: bool = ... + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + ... + + def get_default( + self, ctx: Context, call: bool = True + ) -> t.Optional[t.Union[t.Any, t.Callable[[], t.Any]]]: + # If we're a non boolean flag our default is more complex because + # we need to look at all flags in the same group to figure out + # if we're the the default one in which case we return the flag + # value as default. + if self.is_flag and not self.is_bool_flag: + for param in ctx.command.params: + if param.name == self.name and param.default: + return param.flag_value # type: ignore + + return None + + return super().get_default(ctx, call=call) + + def prompt_for_value(self, ctx: Context) -> t.Any: + """This is an alternative flow that can be activated in the full + value processing if a value does not exist. It will prompt the + user until a valid value exists and then returns the processed + value as result. + """ + assert self.prompt is not None + + # Calculate the default before prompting anything to be stable. + default = self.get_default(ctx) + + # If this is a prompt for a flag we need to handle this + # differently. + if self.is_bool_flag: + return confirm(self.prompt, default) + + return prompt( + self.prompt, + default=default, + type=self.type, + hide_input=self.hide_input, + show_choices=self.show_choices, + confirmation_prompt=self.confirmation_prompt, + value_proc=lambda x: self.process_value(ctx, x), + ) + + def resolve_envvar_value(self, ctx: Context) -> t.Optional[str]: + rv = super().resolve_envvar_value(ctx) + + if rv is not None: + return rv + + if ( + self.allow_from_autoenv + and ctx.auto_envvar_prefix is not None + and self.name is not None + ): + envvar = f"{ctx.auto_envvar_prefix}_{self.name.upper()}" + rv = os.environ.get(envvar) + + return rv + + def value_from_envvar(self, ctx: Context) -> t.Optional[t.Any]: + rv: t.Optional[t.Any] = self.resolve_envvar_value(ctx) + + if rv is None: + return None + + value_depth = (self.nargs != 1) + bool(self.multiple) + + if value_depth > 0: + rv = self.type.split_envvar_value(rv) + + if self.multiple and self.nargs != 1: + rv = batch(rv, self.nargs) + + return rv + + def consume_value( + self, ctx: Context, opts: t.Mapping[str, "Parameter"] + ) -> t.Tuple[t.Any, ParameterSource]: + value, source = super().consume_value(ctx, opts) + + # The parser will emit a sentinel value if the option can be + # given as a flag without a value. This is different from None + # to distinguish from the flag not being given at all. + if value is _flag_needs_value: + if self.prompt is not None and not ctx.resilient_parsing: + value = self.prompt_for_value(ctx) + source = ParameterSource.PROMPT + else: + value = self.flag_value + source = ParameterSource.COMMANDLINE + + # The value wasn't set, or used the param's default, prompt if + # prompting is enabled. + elif ( + source in {None, ParameterSource.DEFAULT} + and self.prompt is not None + and (self.required or self.prompt_required) + and not ctx.resilient_parsing + ): + value = self.prompt_for_value(ctx) + source = ParameterSource.PROMPT + + return value, source + + +class Argument(Parameter): + """Arguments are positional parameters to a command. They generally + provide fewer features than options but can have infinite ``nargs`` + and are required by default. + + All parameters are passed onwards to the parameter constructor. + """ + + param_type_name = "argument" + + def __init__( + self, + param_decls: t.Sequence[str], + required: t.Optional[bool] = None, + **attrs: t.Any, + ) -> None: + if required is None: + if attrs.get("default") is not None: + required = False + else: + required = attrs.get("nargs", 1) > 0 + + if "multiple" in attrs: + raise TypeError("__init__() got an unexpected keyword argument 'multiple'.") + + super().__init__(param_decls, required=required, **attrs) + + if __debug__: + if self.default is not None and self.nargs == -1: + raise TypeError("'default' is not supported for nargs=-1.") + + @property + def human_readable_name(self) -> str: + if self.metavar is not None: + return self.metavar + return self.name.upper() # type: ignore + + def make_metavar(self) -> str: + if self.metavar is not None: + return self.metavar + var = self.type.get_metavar(self) + if not var: + var = self.name.upper() # type: ignore + if not self.required: + var = f"[{var}]" + if self.nargs != 1: + var += "..." + return var + + def _parse_decls( + self, decls: t.Sequence[str], expose_value: bool + ) -> t.Tuple[t.Optional[str], t.List[str], t.List[str]]: + if not decls: + if not expose_value: + return None, [], [] + raise TypeError("Could not determine name for argument") + if len(decls) == 1: + name = arg = decls[0] + name = name.replace("-", "_").lower() + else: + raise TypeError( + "Arguments take exactly one parameter declaration, got" + f" {len(decls)}." + ) + return name, [arg], [] + + def get_usage_pieces(self, ctx: Context) -> t.List[str]: + return [self.make_metavar()] + + def get_error_hint(self, ctx: Context) -> str: + return f"'{self.make_metavar()}'" + + def add_to_parser(self, parser: OptionParser, ctx: Context) -> None: + parser.add_argument(dest=self.name, nargs=self.nargs, obj=self) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/decorators.py b/backend/mb-env/lib/python3.9/site-packages/click/decorators.py new file mode 100644 index 0000000..5940e69 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/decorators.py @@ -0,0 +1,437 @@ +import inspect +import types +import typing as t +from functools import update_wrapper +from gettext import gettext as _ + +from .core import Argument +from .core import Command +from .core import Context +from .core import Group +from .core import Option +from .core import Parameter +from .globals import get_current_context +from .utils import echo + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) +FC = t.TypeVar("FC", t.Callable[..., t.Any], Command) + + +def pass_context(f: F) -> F: + """Marks a callback as wanting to receive the current context + object as first argument. + """ + + def new_func(*args, **kwargs): # type: ignore + return f(get_current_context(), *args, **kwargs) + + return update_wrapper(t.cast(F, new_func), f) + + +def pass_obj(f: F) -> F: + """Similar to :func:`pass_context`, but only pass the object on the + context onwards (:attr:`Context.obj`). This is useful if that object + represents the state of a nested system. + """ + + def new_func(*args, **kwargs): # type: ignore + return f(get_current_context().obj, *args, **kwargs) + + return update_wrapper(t.cast(F, new_func), f) + + +def make_pass_decorator( + object_type: t.Type, ensure: bool = False +) -> "t.Callable[[F], F]": + """Given an object type this creates a decorator that will work + similar to :func:`pass_obj` but instead of passing the object of the + current context, it will find the innermost context of type + :func:`object_type`. + + This generates a decorator that works roughly like this:: + + from functools import update_wrapper + + def decorator(f): + @pass_context + def new_func(ctx, *args, **kwargs): + obj = ctx.find_object(object_type) + return ctx.invoke(f, obj, *args, **kwargs) + return update_wrapper(new_func, f) + return decorator + + :param object_type: the type of the object to pass. + :param ensure: if set to `True`, a new object will be created and + remembered on the context if it's not there yet. + """ + + def decorator(f: F) -> F: + def new_func(*args, **kwargs): # type: ignore + ctx = get_current_context() + + if ensure: + obj = ctx.ensure_object(object_type) + else: + obj = ctx.find_object(object_type) + + if obj is None: + raise RuntimeError( + "Managed to invoke callback without a context" + f" object of type {object_type.__name__!r}" + " existing." + ) + + return ctx.invoke(f, obj, *args, **kwargs) + + return update_wrapper(t.cast(F, new_func), f) + + return decorator + + +def pass_meta_key( + key: str, *, doc_description: t.Optional[str] = None +) -> "t.Callable[[F], F]": + """Create a decorator that passes a key from + :attr:`click.Context.meta` as the first argument to the decorated + function. + + :param key: Key in ``Context.meta`` to pass. + :param doc_description: Description of the object being passed, + inserted into the decorator's docstring. Defaults to "the 'key' + key from Context.meta". + + .. versionadded:: 8.0 + """ + + def decorator(f: F) -> F: + def new_func(*args, **kwargs): # type: ignore + ctx = get_current_context() + obj = ctx.meta[key] + return ctx.invoke(f, obj, *args, **kwargs) + + return update_wrapper(t.cast(F, new_func), f) + + if doc_description is None: + doc_description = f"the {key!r} key from :attr:`click.Context.meta`" + + decorator.__doc__ = ( + f"Decorator that passes {doc_description} as the first argument" + " to the decorated function." + ) + return decorator + + +def _make_command( + f: F, + name: t.Optional[str], + attrs: t.MutableMapping[str, t.Any], + cls: t.Type[Command], +) -> Command: + if isinstance(f, Command): + raise TypeError("Attempted to convert a callback into a command twice.") + + try: + params = f.__click_params__ # type: ignore + params.reverse() + del f.__click_params__ # type: ignore + except AttributeError: + params = [] + + help = attrs.get("help") + + if help is None: + help = inspect.getdoc(f) + else: + help = inspect.cleandoc(help) + + attrs["help"] = help + return cls( + name=name or f.__name__.lower().replace("_", "-"), + callback=f, + params=params, + **attrs, + ) + + +def command( + name: t.Optional[str] = None, + cls: t.Optional[t.Type[Command]] = None, + **attrs: t.Any, +) -> t.Callable[[F], Command]: + r"""Creates a new :class:`Command` and uses the decorated function as + callback. This will also automatically attach all decorated + :func:`option`\s and :func:`argument`\s as parameters to the command. + + The name of the command defaults to the name of the function with + underscores replaced by dashes. If you want to change that, you can + pass the intended name as the first argument. + + All keyword arguments are forwarded to the underlying command class. + + Once decorated the function turns into a :class:`Command` instance + that can be invoked as a command line utility or be attached to a + command :class:`Group`. + + :param name: the name of the command. This defaults to the function + name with underscores replaced by dashes. + :param cls: the command class to instantiate. This defaults to + :class:`Command`. + """ + if cls is None: + cls = Command + + def decorator(f: t.Callable[..., t.Any]) -> Command: + cmd = _make_command(f, name, attrs, cls) # type: ignore + cmd.__doc__ = f.__doc__ + return cmd + + return decorator + + +def group(name: t.Optional[str] = None, **attrs: t.Any) -> t.Callable[[F], Group]: + """Creates a new :class:`Group` with a function as callback. This + works otherwise the same as :func:`command` just that the `cls` + parameter is set to :class:`Group`. + """ + attrs.setdefault("cls", Group) + return t.cast(Group, command(name, **attrs)) + + +def _param_memo(f: FC, param: Parameter) -> None: + if isinstance(f, Command): + f.params.append(param) + else: + if not hasattr(f, "__click_params__"): + f.__click_params__ = [] # type: ignore + + f.__click_params__.append(param) # type: ignore + + +def argument(*param_decls: str, **attrs: t.Any) -> t.Callable[[FC], FC]: + """Attaches an argument to the command. All positional arguments are + passed as parameter declarations to :class:`Argument`; all keyword + arguments are forwarded unchanged (except ``cls``). + This is equivalent to creating an :class:`Argument` instance manually + and attaching it to the :attr:`Command.params` list. + + :param cls: the argument class to instantiate. This defaults to + :class:`Argument`. + """ + + def decorator(f: FC) -> FC: + ArgumentClass = attrs.pop("cls", Argument) + _param_memo(f, ArgumentClass(param_decls, **attrs)) + return f + + return decorator + + +def option(*param_decls: str, **attrs: t.Any) -> t.Callable[[FC], FC]: + """Attaches an option to the command. All positional arguments are + passed as parameter declarations to :class:`Option`; all keyword + arguments are forwarded unchanged (except ``cls``). + This is equivalent to creating an :class:`Option` instance manually + and attaching it to the :attr:`Command.params` list. + + :param cls: the option class to instantiate. This defaults to + :class:`Option`. + """ + + def decorator(f: FC) -> FC: + # Issue 926, copy attrs, so pre-defined options can re-use the same cls= + option_attrs = attrs.copy() + + if "help" in option_attrs: + option_attrs["help"] = inspect.cleandoc(option_attrs["help"]) + OptionClass = option_attrs.pop("cls", Option) + _param_memo(f, OptionClass(param_decls, **option_attrs)) + return f + + return decorator + + +def confirmation_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--yes`` option which shows a prompt before continuing if + not passed. If the prompt is declined, the program will exit. + + :param param_decls: One or more option names. Defaults to the single + value ``"--yes"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value: + ctx.abort() + + if not param_decls: + param_decls = ("--yes",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("callback", callback) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("prompt", "Do you want to continue?") + kwargs.setdefault("help", "Confirm the action without prompting.") + return option(*param_decls, **kwargs) + + +def password_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--password`` option which prompts for a password, hiding + input and asking to enter the value again for confirmation. + + :param param_decls: One or more option names. Defaults to the single + value ``"--password"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + if not param_decls: + param_decls = ("--password",) + + kwargs.setdefault("prompt", True) + kwargs.setdefault("confirmation_prompt", True) + kwargs.setdefault("hide_input", True) + return option(*param_decls, **kwargs) + + +def version_option( + version: t.Optional[str] = None, + *param_decls: str, + package_name: t.Optional[str] = None, + prog_name: t.Optional[str] = None, + message: t.Optional[str] = None, + **kwargs: t.Any, +) -> t.Callable[[FC], FC]: + """Add a ``--version`` option which immediately prints the version + number and exits the program. + + If ``version`` is not provided, Click will try to detect it using + :func:`importlib.metadata.version` to get the version for the + ``package_name``. On Python < 3.8, the ``importlib_metadata`` + backport must be installed. + + If ``package_name`` is not provided, Click will try to detect it by + inspecting the stack frames. This will be used to detect the + version, so it must match the name of the installed package. + + :param version: The version number to show. If not provided, Click + will try to detect it. + :param param_decls: One or more option names. Defaults to the single + value ``"--version"``. + :param package_name: The package name to detect the version from. If + not provided, Click will try to detect it. + :param prog_name: The name of the CLI to show in the message. If not + provided, it will be detected from the command. + :param message: The message to show. The values ``%(prog)s``, + ``%(package)s``, and ``%(version)s`` are available. Defaults to + ``"%(prog)s, version %(version)s"``. + :param kwargs: Extra arguments are passed to :func:`option`. + :raise RuntimeError: ``version`` could not be detected. + + .. versionchanged:: 8.0 + Add the ``package_name`` parameter, and the ``%(package)s`` + value for messages. + + .. versionchanged:: 8.0 + Use :mod:`importlib.metadata` instead of ``pkg_resources``. The + version is detected based on the package name, not the entry + point name. The Python package name must match the installed + package name, or be passed with ``package_name=``. + """ + if message is None: + message = _("%(prog)s, version %(version)s") + + if version is None and package_name is None: + frame = inspect.currentframe() + assert frame is not None + assert frame.f_back is not None + f_globals = frame.f_back.f_globals if frame is not None else None + # break reference cycle + # https://docs.python.org/3/library/inspect.html#the-interpreter-stack + del frame + + if f_globals is not None: + package_name = f_globals.get("__name__") + + if package_name == "__main__": + package_name = f_globals.get("__package__") + + if package_name: + package_name = package_name.partition(".")[0] + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value or ctx.resilient_parsing: + return + + nonlocal prog_name + nonlocal version + + if prog_name is None: + prog_name = ctx.find_root().info_name + + if version is None and package_name is not None: + metadata: t.Optional[types.ModuleType] + + try: + from importlib import metadata # type: ignore + except ImportError: + # Python < 3.8 + import importlib_metadata as metadata # type: ignore + + try: + version = metadata.version(package_name) # type: ignore + except metadata.PackageNotFoundError: # type: ignore + raise RuntimeError( + f"{package_name!r} is not installed. Try passing" + " 'package_name' instead." + ) + + if version is None: + raise RuntimeError( + f"Could not determine the version for {package_name!r} automatically." + ) + + echo( + t.cast(str, message) + % {"prog": prog_name, "package": package_name, "version": version}, + color=ctx.color, + ) + ctx.exit() + + if not param_decls: + param_decls = ("--version",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("is_eager", True) + kwargs.setdefault("help", _("Show the version and exit.")) + kwargs["callback"] = callback + return option(*param_decls, **kwargs) + + +def help_option(*param_decls: str, **kwargs: t.Any) -> t.Callable[[FC], FC]: + """Add a ``--help`` option which immediately prints the help page + and exits the program. + + This is usually unnecessary, as the ``--help`` option is added to + each command automatically unless ``add_help_option=False`` is + passed. + + :param param_decls: One or more option names. Defaults to the single + value ``"--help"``. + :param kwargs: Extra arguments are passed to :func:`option`. + """ + + def callback(ctx: Context, param: Parameter, value: bool) -> None: + if not value or ctx.resilient_parsing: + return + + echo(ctx.get_help(), color=ctx.color) + ctx.exit() + + if not param_decls: + param_decls = ("--help",) + + kwargs.setdefault("is_flag", True) + kwargs.setdefault("expose_value", False) + kwargs.setdefault("is_eager", True) + kwargs.setdefault("help", _("Show this message and exit.")) + kwargs["callback"] = callback + return option(*param_decls, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/click/exceptions.py new file mode 100644 index 0000000..9e20b3e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/exceptions.py @@ -0,0 +1,287 @@ +import os +import typing as t +from gettext import gettext as _ +from gettext import ngettext + +from ._compat import get_text_stderr +from .utils import echo + +if t.TYPE_CHECKING: + from .core import Context + from .core import Parameter + + +def _join_param_hints( + param_hint: t.Optional[t.Union[t.Sequence[str], str]] +) -> t.Optional[str]: + if param_hint is not None and not isinstance(param_hint, str): + return " / ".join(repr(x) for x in param_hint) + + return param_hint + + +class ClickException(Exception): + """An exception that Click can handle and show to the user.""" + + #: The exit code for this exception. + exit_code = 1 + + def __init__(self, message: str) -> None: + super().__init__(message) + self.message = message + + def format_message(self) -> str: + return self.message + + def __str__(self) -> str: + return self.message + + def show(self, file: t.Optional[t.IO] = None) -> None: + if file is None: + file = get_text_stderr() + + echo(_("Error: {message}").format(message=self.format_message()), file=file) + + +class UsageError(ClickException): + """An internal exception that signals a usage error. This typically + aborts any further handling. + + :param message: the error message to display. + :param ctx: optionally the context that caused this error. Click will + fill in the context automatically in some situations. + """ + + exit_code = 2 + + def __init__(self, message: str, ctx: t.Optional["Context"] = None) -> None: + super().__init__(message) + self.ctx = ctx + self.cmd = self.ctx.command if self.ctx else None + + def show(self, file: t.Optional[t.IO] = None) -> None: + if file is None: + file = get_text_stderr() + color = None + hint = "" + if ( + self.ctx is not None + and self.ctx.command.get_help_option(self.ctx) is not None + ): + hint = _("Try '{command} {option}' for help.").format( + command=self.ctx.command_path, option=self.ctx.help_option_names[0] + ) + hint = f"{hint}\n" + if self.ctx is not None: + color = self.ctx.color + echo(f"{self.ctx.get_usage()}\n{hint}", file=file, color=color) + echo( + _("Error: {message}").format(message=self.format_message()), + file=file, + color=color, + ) + + +class BadParameter(UsageError): + """An exception that formats out a standardized error message for a + bad parameter. This is useful when thrown from a callback or type as + Click will attach contextual information to it (for instance, which + parameter it is). + + .. versionadded:: 2.0 + + :param param: the parameter object that caused this error. This can + be left out, and Click will attach this info itself + if possible. + :param param_hint: a string that shows up as parameter name. This + can be used as alternative to `param` in cases + where custom validation should happen. If it is + a string it's used as such, if it's a list then + each item is quoted and separated. + """ + + def __init__( + self, + message: str, + ctx: t.Optional["Context"] = None, + param: t.Optional["Parameter"] = None, + param_hint: t.Optional[str] = None, + ) -> None: + super().__init__(message, ctx) + self.param = param + self.param_hint = param_hint + + def format_message(self) -> str: + if self.param_hint is not None: + param_hint = self.param_hint + elif self.param is not None: + param_hint = self.param.get_error_hint(self.ctx) # type: ignore + else: + return _("Invalid value: {message}").format(message=self.message) + + return _("Invalid value for {param_hint}: {message}").format( + param_hint=_join_param_hints(param_hint), message=self.message + ) + + +class MissingParameter(BadParameter): + """Raised if click required an option or argument but it was not + provided when invoking the script. + + .. versionadded:: 4.0 + + :param param_type: a string that indicates the type of the parameter. + The default is to inherit the parameter type from + the given `param`. Valid values are ``'parameter'``, + ``'option'`` or ``'argument'``. + """ + + def __init__( + self, + message: t.Optional[str] = None, + ctx: t.Optional["Context"] = None, + param: t.Optional["Parameter"] = None, + param_hint: t.Optional[str] = None, + param_type: t.Optional[str] = None, + ) -> None: + super().__init__(message or "", ctx, param, param_hint) + self.param_type = param_type + + def format_message(self) -> str: + if self.param_hint is not None: + param_hint: t.Optional[str] = self.param_hint + elif self.param is not None: + param_hint = self.param.get_error_hint(self.ctx) # type: ignore + else: + param_hint = None + + param_hint = _join_param_hints(param_hint) + param_hint = f" {param_hint}" if param_hint else "" + + param_type = self.param_type + if param_type is None and self.param is not None: + param_type = self.param.param_type_name + + msg = self.message + if self.param is not None: + msg_extra = self.param.type.get_missing_message(self.param) + if msg_extra: + if msg: + msg += f". {msg_extra}" + else: + msg = msg_extra + + msg = f" {msg}" if msg else "" + + # Translate param_type for known types. + if param_type == "argument": + missing = _("Missing argument") + elif param_type == "option": + missing = _("Missing option") + elif param_type == "parameter": + missing = _("Missing parameter") + else: + missing = _("Missing {param_type}").format(param_type=param_type) + + return f"{missing}{param_hint}.{msg}" + + def __str__(self) -> str: + if not self.message: + param_name = self.param.name if self.param else None + return _("Missing parameter: {param_name}").format(param_name=param_name) + else: + return self.message + + +class NoSuchOption(UsageError): + """Raised if click attempted to handle an option that does not + exist. + + .. versionadded:: 4.0 + """ + + def __init__( + self, + option_name: str, + message: t.Optional[str] = None, + possibilities: t.Optional[t.Sequence[str]] = None, + ctx: t.Optional["Context"] = None, + ) -> None: + if message is None: + message = _("No such option: {name}").format(name=option_name) + + super().__init__(message, ctx) + self.option_name = option_name + self.possibilities = possibilities + + def format_message(self) -> str: + if not self.possibilities: + return self.message + + possibility_str = ", ".join(sorted(self.possibilities)) + suggest = ngettext( + "Did you mean {possibility}?", + "(Possible options: {possibilities})", + len(self.possibilities), + ).format(possibility=possibility_str, possibilities=possibility_str) + return f"{self.message} {suggest}" + + +class BadOptionUsage(UsageError): + """Raised if an option is generally supplied but the use of the option + was incorrect. This is for instance raised if the number of arguments + for an option is not correct. + + .. versionadded:: 4.0 + + :param option_name: the name of the option being used incorrectly. + """ + + def __init__( + self, option_name: str, message: str, ctx: t.Optional["Context"] = None + ) -> None: + super().__init__(message, ctx) + self.option_name = option_name + + +class BadArgumentUsage(UsageError): + """Raised if an argument is generally supplied but the use of the argument + was incorrect. This is for instance raised if the number of values + for an argument is not correct. + + .. versionadded:: 6.0 + """ + + +class FileError(ClickException): + """Raised if a file cannot be opened.""" + + def __init__(self, filename: str, hint: t.Optional[str] = None) -> None: + if hint is None: + hint = _("unknown error") + + super().__init__(hint) + self.ui_filename = os.fsdecode(filename) + self.filename = filename + + def format_message(self) -> str: + return _("Could not open file {filename!r}: {message}").format( + filename=self.ui_filename, message=self.message + ) + + +class Abort(RuntimeError): + """An internal signalling exception that signals Click to abort.""" + + +class Exit(RuntimeError): + """An exception that indicates that the application should exit with some + status code. + + :param code: the status code to exit with. + """ + + __slots__ = ("exit_code",) + + def __init__(self, code: int = 0) -> None: + self.exit_code = code diff --git a/backend/mb-env/lib/python3.9/site-packages/click/formatting.py b/backend/mb-env/lib/python3.9/site-packages/click/formatting.py new file mode 100644 index 0000000..ddd2a2f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/formatting.py @@ -0,0 +1,301 @@ +import typing as t +from contextlib import contextmanager +from gettext import gettext as _ + +from ._compat import term_len +from .parser import split_opt + +# Can force a width. This is used by the test system +FORCED_WIDTH: t.Optional[int] = None + + +def measure_table(rows: t.Iterable[t.Tuple[str, str]]) -> t.Tuple[int, ...]: + widths: t.Dict[int, int] = {} + + for row in rows: + for idx, col in enumerate(row): + widths[idx] = max(widths.get(idx, 0), term_len(col)) + + return tuple(y for x, y in sorted(widths.items())) + + +def iter_rows( + rows: t.Iterable[t.Tuple[str, str]], col_count: int +) -> t.Iterator[t.Tuple[str, ...]]: + for row in rows: + yield row + ("",) * (col_count - len(row)) + + +def wrap_text( + text: str, + width: int = 78, + initial_indent: str = "", + subsequent_indent: str = "", + preserve_paragraphs: bool = False, +) -> str: + """A helper function that intelligently wraps text. By default, it + assumes that it operates on a single paragraph of text but if the + `preserve_paragraphs` parameter is provided it will intelligently + handle paragraphs (defined by two empty lines). + + If paragraphs are handled, a paragraph can be prefixed with an empty + line containing the ``\\b`` character (``\\x08``) to indicate that + no rewrapping should happen in that block. + + :param text: the text that should be rewrapped. + :param width: the maximum width for the text. + :param initial_indent: the initial indent that should be placed on the + first line as a string. + :param subsequent_indent: the indent string that should be placed on + each consecutive line. + :param preserve_paragraphs: if this flag is set then the wrapping will + intelligently handle paragraphs. + """ + from ._textwrap import TextWrapper + + text = text.expandtabs() + wrapper = TextWrapper( + width, + initial_indent=initial_indent, + subsequent_indent=subsequent_indent, + replace_whitespace=False, + ) + if not preserve_paragraphs: + return wrapper.fill(text) + + p: t.List[t.Tuple[int, bool, str]] = [] + buf: t.List[str] = [] + indent = None + + def _flush_par() -> None: + if not buf: + return + if buf[0].strip() == "\b": + p.append((indent or 0, True, "\n".join(buf[1:]))) + else: + p.append((indent or 0, False, " ".join(buf))) + del buf[:] + + for line in text.splitlines(): + if not line: + _flush_par() + indent = None + else: + if indent is None: + orig_len = term_len(line) + line = line.lstrip() + indent = orig_len - term_len(line) + buf.append(line) + _flush_par() + + rv = [] + for indent, raw, text in p: + with wrapper.extra_indent(" " * indent): + if raw: + rv.append(wrapper.indent_only(text)) + else: + rv.append(wrapper.fill(text)) + + return "\n\n".join(rv) + + +class HelpFormatter: + """This class helps with formatting text-based help pages. It's + usually just needed for very special internal cases, but it's also + exposed so that developers can write their own fancy outputs. + + At present, it always writes into memory. + + :param indent_increment: the additional increment for each level. + :param width: the width for the text. This defaults to the terminal + width clamped to a maximum of 78. + """ + + def __init__( + self, + indent_increment: int = 2, + width: t.Optional[int] = None, + max_width: t.Optional[int] = None, + ) -> None: + import shutil + + self.indent_increment = indent_increment + if max_width is None: + max_width = 80 + if width is None: + width = FORCED_WIDTH + if width is None: + width = max(min(shutil.get_terminal_size().columns, max_width) - 2, 50) + self.width = width + self.current_indent = 0 + self.buffer: t.List[str] = [] + + def write(self, string: str) -> None: + """Writes a unicode string into the internal buffer.""" + self.buffer.append(string) + + def indent(self) -> None: + """Increases the indentation.""" + self.current_indent += self.indent_increment + + def dedent(self) -> None: + """Decreases the indentation.""" + self.current_indent -= self.indent_increment + + def write_usage( + self, prog: str, args: str = "", prefix: t.Optional[str] = None + ) -> None: + """Writes a usage line into the buffer. + + :param prog: the program name. + :param args: whitespace separated list of arguments. + :param prefix: The prefix for the first line. Defaults to + ``"Usage: "``. + """ + if prefix is None: + prefix = f"{_('Usage:')} " + + usage_prefix = f"{prefix:>{self.current_indent}}{prog} " + text_width = self.width - self.current_indent + + if text_width >= (term_len(usage_prefix) + 20): + # The arguments will fit to the right of the prefix. + indent = " " * term_len(usage_prefix) + self.write( + wrap_text( + args, + text_width, + initial_indent=usage_prefix, + subsequent_indent=indent, + ) + ) + else: + # The prefix is too long, put the arguments on the next line. + self.write(usage_prefix) + self.write("\n") + indent = " " * (max(self.current_indent, term_len(prefix)) + 4) + self.write( + wrap_text( + args, text_width, initial_indent=indent, subsequent_indent=indent + ) + ) + + self.write("\n") + + def write_heading(self, heading: str) -> None: + """Writes a heading into the buffer.""" + self.write(f"{'':>{self.current_indent}}{heading}:\n") + + def write_paragraph(self) -> None: + """Writes a paragraph into the buffer.""" + if self.buffer: + self.write("\n") + + def write_text(self, text: str) -> None: + """Writes re-indented text into the buffer. This rewraps and + preserves paragraphs. + """ + indent = " " * self.current_indent + self.write( + wrap_text( + text, + self.width, + initial_indent=indent, + subsequent_indent=indent, + preserve_paragraphs=True, + ) + ) + self.write("\n") + + def write_dl( + self, + rows: t.Sequence[t.Tuple[str, str]], + col_max: int = 30, + col_spacing: int = 2, + ) -> None: + """Writes a definition list into the buffer. This is how options + and commands are usually formatted. + + :param rows: a list of two item tuples for the terms and values. + :param col_max: the maximum width of the first column. + :param col_spacing: the number of spaces between the first and + second column. + """ + rows = list(rows) + widths = measure_table(rows) + if len(widths) != 2: + raise TypeError("Expected two columns for definition list") + + first_col = min(widths[0], col_max) + col_spacing + + for first, second in iter_rows(rows, len(widths)): + self.write(f"{'':>{self.current_indent}}{first}") + if not second: + self.write("\n") + continue + if term_len(first) <= first_col - col_spacing: + self.write(" " * (first_col - term_len(first))) + else: + self.write("\n") + self.write(" " * (first_col + self.current_indent)) + + text_width = max(self.width - first_col - 2, 10) + wrapped_text = wrap_text(second, text_width, preserve_paragraphs=True) + lines = wrapped_text.splitlines() + + if lines: + self.write(f"{lines[0]}\n") + + for line in lines[1:]: + self.write(f"{'':>{first_col + self.current_indent}}{line}\n") + else: + self.write("\n") + + @contextmanager + def section(self, name: str) -> t.Iterator[None]: + """Helpful context manager that writes a paragraph, a heading, + and the indents. + + :param name: the section name that is written as heading. + """ + self.write_paragraph() + self.write_heading(name) + self.indent() + try: + yield + finally: + self.dedent() + + @contextmanager + def indentation(self) -> t.Iterator[None]: + """A context manager that increases the indentation.""" + self.indent() + try: + yield + finally: + self.dedent() + + def getvalue(self) -> str: + """Returns the buffer contents.""" + return "".join(self.buffer) + + +def join_options(options: t.Sequence[str]) -> t.Tuple[str, bool]: + """Given a list of option strings this joins them in the most appropriate + way and returns them in the form ``(formatted_string, + any_prefix_is_slash)`` where the second item in the tuple is a flag that + indicates if any of the option prefixes was a slash. + """ + rv = [] + any_prefix_is_slash = False + + for opt in options: + prefix = split_opt(opt)[0] + + if prefix == "/": + any_prefix_is_slash = True + + rv.append((len(prefix), opt)) + + rv.sort(key=lambda x: x[0]) + return ", ".join(x[1] for x in rv), any_prefix_is_slash diff --git a/backend/mb-env/lib/python3.9/site-packages/click/globals.py b/backend/mb-env/lib/python3.9/site-packages/click/globals.py new file mode 100644 index 0000000..cfcade1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/globals.py @@ -0,0 +1,69 @@ +import typing +import typing as t +from threading import local + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Context + +_local = local() + + +@typing.overload +def get_current_context(silent: "te.Literal[False]" = False) -> "Context": + ... + + +@typing.overload +def get_current_context(silent: bool = ...) -> t.Optional["Context"]: + ... + + +def get_current_context(silent: bool = False) -> t.Optional["Context"]: + """Returns the current click context. This can be used as a way to + access the current context object from anywhere. This is a more implicit + alternative to the :func:`pass_context` decorator. This function is + primarily useful for helpers such as :func:`echo` which might be + interested in changing its behavior based on the current context. + + To push the current context, :meth:`Context.scope` can be used. + + .. versionadded:: 5.0 + + :param silent: if set to `True` the return value is `None` if no context + is available. The default behavior is to raise a + :exc:`RuntimeError`. + """ + try: + return t.cast("Context", _local.stack[-1]) + except (AttributeError, IndexError): + if not silent: + raise RuntimeError("There is no active click context.") + + return None + + +def push_context(ctx: "Context") -> None: + """Pushes a new context to the current stack.""" + _local.__dict__.setdefault("stack", []).append(ctx) + + +def pop_context() -> None: + """Removes the top level from the stack.""" + _local.stack.pop() + + +def resolve_color_default(color: t.Optional[bool] = None) -> t.Optional[bool]: + """Internal helper to get the default value of the color flag. If a + value is passed it's returned unchanged, otherwise it's looked up from + the current context. + """ + if color is not None: + return color + + ctx = get_current_context(silent=True) + + if ctx is not None: + return ctx.color + + return None diff --git a/backend/mb-env/lib/python3.9/site-packages/click/parser.py b/backend/mb-env/lib/python3.9/site-packages/click/parser.py new file mode 100644 index 0000000..7d995f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/parser.py @@ -0,0 +1,529 @@ +""" +This module started out as largely a copy paste from the stdlib's +optparse module with the features removed that we do not need from +optparse because we implement them in Click on a higher level (for +instance type handling, help formatting and a lot more). + +The plan is to remove more and more from here over time. + +The reason this is a different module and not optparse from the stdlib +is that there are differences in 2.x and 3.x about the error messages +generated and optparse in the stdlib uses gettext for no good reason +and might cause us issues. + +Click uses parts of optparse written by Gregory P. Ward and maintained +by the Python Software Foundation. This is limited to code in parser.py. + +Copyright 2001-2006 Gregory P. Ward. All rights reserved. +Copyright 2002-2006 Python Software Foundation. All rights reserved. +""" +# This code uses parts of optparse written by Gregory P. Ward and +# maintained by the Python Software Foundation. +# Copyright 2001-2006 Gregory P. Ward +# Copyright 2002-2006 Python Software Foundation +import typing as t +from collections import deque +from gettext import gettext as _ +from gettext import ngettext + +from .exceptions import BadArgumentUsage +from .exceptions import BadOptionUsage +from .exceptions import NoSuchOption +from .exceptions import UsageError + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Argument as CoreArgument + from .core import Context + from .core import Option as CoreOption + from .core import Parameter as CoreParameter + +V = t.TypeVar("V") + +# Sentinel value that indicates an option was passed as a flag without a +# value but is not a flag option. Option.consume_value uses this to +# prompt or use the flag_value. +_flag_needs_value = object() + + +def _unpack_args( + args: t.Sequence[str], nargs_spec: t.Sequence[int] +) -> t.Tuple[t.Sequence[t.Union[str, t.Sequence[t.Optional[str]], None]], t.List[str]]: + """Given an iterable of arguments and an iterable of nargs specifications, + it returns a tuple with all the unpacked arguments at the first index + and all remaining arguments as the second. + + The nargs specification is the number of arguments that should be consumed + or `-1` to indicate that this position should eat up all the remainders. + + Missing items are filled with `None`. + """ + args = deque(args) + nargs_spec = deque(nargs_spec) + rv: t.List[t.Union[str, t.Tuple[t.Optional[str], ...], None]] = [] + spos: t.Optional[int] = None + + def _fetch(c: "te.Deque[V]") -> t.Optional[V]: + try: + if spos is None: + return c.popleft() + else: + return c.pop() + except IndexError: + return None + + while nargs_spec: + nargs = _fetch(nargs_spec) + + if nargs is None: + continue + + if nargs == 1: + rv.append(_fetch(args)) + elif nargs > 1: + x = [_fetch(args) for _ in range(nargs)] + + # If we're reversed, we're pulling in the arguments in reverse, + # so we need to turn them around. + if spos is not None: + x.reverse() + + rv.append(tuple(x)) + elif nargs < 0: + if spos is not None: + raise TypeError("Cannot have two nargs < 0") + + spos = len(rv) + rv.append(None) + + # spos is the position of the wildcard (star). If it's not `None`, + # we fill it with the remainder. + if spos is not None: + rv[spos] = tuple(args) + args = [] + rv[spos + 1 :] = reversed(rv[spos + 1 :]) + + return tuple(rv), list(args) + + +def split_opt(opt: str) -> t.Tuple[str, str]: + first = opt[:1] + if first.isalnum(): + return "", opt + if opt[1:2] == first: + return opt[:2], opt[2:] + return first, opt[1:] + + +def normalize_opt(opt: str, ctx: t.Optional["Context"]) -> str: + if ctx is None or ctx.token_normalize_func is None: + return opt + prefix, opt = split_opt(opt) + return f"{prefix}{ctx.token_normalize_func(opt)}" + + +def split_arg_string(string: str) -> t.List[str]: + """Split an argument string as with :func:`shlex.split`, but don't + fail if the string is incomplete. Ignores a missing closing quote or + incomplete escape sequence and uses the partial token as-is. + + .. code-block:: python + + split_arg_string("example 'my file") + ["example", "my file"] + + split_arg_string("example my\\") + ["example", "my"] + + :param string: String to split. + """ + import shlex + + lex = shlex.shlex(string, posix=True) + lex.whitespace_split = True + lex.commenters = "" + out = [] + + try: + for token in lex: + out.append(token) + except ValueError: + # Raised when end-of-string is reached in an invalid state. Use + # the partial token as-is. The quote or escape character is in + # lex.state, not lex.token. + out.append(lex.token) + + return out + + +class Option: + def __init__( + self, + obj: "CoreOption", + opts: t.Sequence[str], + dest: t.Optional[str], + action: t.Optional[str] = None, + nargs: int = 1, + const: t.Optional[t.Any] = None, + ): + self._short_opts = [] + self._long_opts = [] + self.prefixes = set() + + for opt in opts: + prefix, value = split_opt(opt) + if not prefix: + raise ValueError(f"Invalid start character for option ({opt})") + self.prefixes.add(prefix[0]) + if len(prefix) == 1 and len(value) == 1: + self._short_opts.append(opt) + else: + self._long_opts.append(opt) + self.prefixes.add(prefix) + + if action is None: + action = "store" + + self.dest = dest + self.action = action + self.nargs = nargs + self.const = const + self.obj = obj + + @property + def takes_value(self) -> bool: + return self.action in ("store", "append") + + def process(self, value: str, state: "ParsingState") -> None: + if self.action == "store": + state.opts[self.dest] = value # type: ignore + elif self.action == "store_const": + state.opts[self.dest] = self.const # type: ignore + elif self.action == "append": + state.opts.setdefault(self.dest, []).append(value) # type: ignore + elif self.action == "append_const": + state.opts.setdefault(self.dest, []).append(self.const) # type: ignore + elif self.action == "count": + state.opts[self.dest] = state.opts.get(self.dest, 0) + 1 # type: ignore + else: + raise ValueError(f"unknown action '{self.action}'") + state.order.append(self.obj) + + +class Argument: + def __init__(self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1): + self.dest = dest + self.nargs = nargs + self.obj = obj + + def process( + self, + value: t.Union[t.Optional[str], t.Sequence[t.Optional[str]]], + state: "ParsingState", + ) -> None: + if self.nargs > 1: + assert value is not None + holes = sum(1 for x in value if x is None) + if holes == len(value): + value = None + elif holes != 0: + raise BadArgumentUsage( + _("Argument {name!r} takes {nargs} values.").format( + name=self.dest, nargs=self.nargs + ) + ) + + if self.nargs == -1 and self.obj.envvar is not None and value == (): + # Replace empty tuple with None so that a value from the + # environment may be tried. + value = None + + state.opts[self.dest] = value # type: ignore + state.order.append(self.obj) + + +class ParsingState: + def __init__(self, rargs: t.List[str]) -> None: + self.opts: t.Dict[str, t.Any] = {} + self.largs: t.List[str] = [] + self.rargs = rargs + self.order: t.List["CoreParameter"] = [] + + +class OptionParser: + """The option parser is an internal class that is ultimately used to + parse options and arguments. It's modelled after optparse and brings + a similar but vastly simplified API. It should generally not be used + directly as the high level Click classes wrap it for you. + + It's not nearly as extensible as optparse or argparse as it does not + implement features that are implemented on a higher level (such as + types or defaults). + + :param ctx: optionally the :class:`~click.Context` where this parser + should go with. + """ + + def __init__(self, ctx: t.Optional["Context"] = None) -> None: + #: The :class:`~click.Context` for this parser. This might be + #: `None` for some advanced use cases. + self.ctx = ctx + #: This controls how the parser deals with interspersed arguments. + #: If this is set to `False`, the parser will stop on the first + #: non-option. Click uses this to implement nested subcommands + #: safely. + self.allow_interspersed_args = True + #: This tells the parser how to deal with unknown options. By + #: default it will error out (which is sensible), but there is a + #: second mode where it will ignore it and continue processing + #: after shifting all the unknown options into the resulting args. + self.ignore_unknown_options = False + + if ctx is not None: + self.allow_interspersed_args = ctx.allow_interspersed_args + self.ignore_unknown_options = ctx.ignore_unknown_options + + self._short_opt: t.Dict[str, Option] = {} + self._long_opt: t.Dict[str, Option] = {} + self._opt_prefixes = {"-", "--"} + self._args: t.List[Argument] = [] + + def add_option( + self, + obj: "CoreOption", + opts: t.Sequence[str], + dest: t.Optional[str], + action: t.Optional[str] = None, + nargs: int = 1, + const: t.Optional[t.Any] = None, + ) -> None: + """Adds a new option named `dest` to the parser. The destination + is not inferred (unlike with optparse) and needs to be explicitly + provided. Action can be any of ``store``, ``store_const``, + ``append``, ``appnd_const`` or ``count``. + + The `obj` can be used to identify the option in the order list + that is returned from the parser. + """ + opts = [normalize_opt(opt, self.ctx) for opt in opts] + option = Option(obj, opts, dest, action=action, nargs=nargs, const=const) + self._opt_prefixes.update(option.prefixes) + for opt in option._short_opts: + self._short_opt[opt] = option + for opt in option._long_opts: + self._long_opt[opt] = option + + def add_argument( + self, obj: "CoreArgument", dest: t.Optional[str], nargs: int = 1 + ) -> None: + """Adds a positional argument named `dest` to the parser. + + The `obj` can be used to identify the option in the order list + that is returned from the parser. + """ + self._args.append(Argument(obj, dest=dest, nargs=nargs)) + + def parse_args( + self, args: t.List[str] + ) -> t.Tuple[t.Dict[str, t.Any], t.List[str], t.List["CoreParameter"]]: + """Parses positional arguments and returns ``(values, args, order)`` + for the parsed options and arguments as well as the leftover + arguments if there are any. The order is a list of objects as they + appear on the command line. If arguments appear multiple times they + will be memorized multiple times as well. + """ + state = ParsingState(args) + try: + self._process_args_for_options(state) + self._process_args_for_args(state) + except UsageError: + if self.ctx is None or not self.ctx.resilient_parsing: + raise + return state.opts, state.largs, state.order + + def _process_args_for_args(self, state: ParsingState) -> None: + pargs, args = _unpack_args( + state.largs + state.rargs, [x.nargs for x in self._args] + ) + + for idx, arg in enumerate(self._args): + arg.process(pargs[idx], state) + + state.largs = args + state.rargs = [] + + def _process_args_for_options(self, state: ParsingState) -> None: + while state.rargs: + arg = state.rargs.pop(0) + arglen = len(arg) + # Double dashes always handled explicitly regardless of what + # prefixes are valid. + if arg == "--": + return + elif arg[:1] in self._opt_prefixes and arglen > 1: + self._process_opts(arg, state) + elif self.allow_interspersed_args: + state.largs.append(arg) + else: + state.rargs.insert(0, arg) + return + + # Say this is the original argument list: + # [arg0, arg1, ..., arg(i-1), arg(i), arg(i+1), ..., arg(N-1)] + # ^ + # (we are about to process arg(i)). + # + # Then rargs is [arg(i), ..., arg(N-1)] and largs is a *subset* of + # [arg0, ..., arg(i-1)] (any options and their arguments will have + # been removed from largs). + # + # The while loop will usually consume 1 or more arguments per pass. + # If it consumes 1 (eg. arg is an option that takes no arguments), + # then after _process_arg() is done the situation is: + # + # largs = subset of [arg0, ..., arg(i)] + # rargs = [arg(i+1), ..., arg(N-1)] + # + # If allow_interspersed_args is false, largs will always be + # *empty* -- still a subset of [arg0, ..., arg(i-1)], but + # not a very interesting subset! + + def _match_long_opt( + self, opt: str, explicit_value: t.Optional[str], state: ParsingState + ) -> None: + if opt not in self._long_opt: + from difflib import get_close_matches + + possibilities = get_close_matches(opt, self._long_opt) + raise NoSuchOption(opt, possibilities=possibilities, ctx=self.ctx) + + option = self._long_opt[opt] + if option.takes_value: + # At this point it's safe to modify rargs by injecting the + # explicit value, because no exception is raised in this + # branch. This means that the inserted value will be fully + # consumed. + if explicit_value is not None: + state.rargs.insert(0, explicit_value) + + value = self._get_value_from_state(opt, option, state) + + elif explicit_value is not None: + raise BadOptionUsage( + opt, _("Option {name!r} does not take a value.").format(name=opt) + ) + + else: + value = None + + option.process(value, state) + + def _match_short_opt(self, arg: str, state: ParsingState) -> None: + stop = False + i = 1 + prefix = arg[0] + unknown_options = [] + + for ch in arg[1:]: + opt = normalize_opt(f"{prefix}{ch}", self.ctx) + option = self._short_opt.get(opt) + i += 1 + + if not option: + if self.ignore_unknown_options: + unknown_options.append(ch) + continue + raise NoSuchOption(opt, ctx=self.ctx) + if option.takes_value: + # Any characters left in arg? Pretend they're the + # next arg, and stop consuming characters of arg. + if i < len(arg): + state.rargs.insert(0, arg[i:]) + stop = True + + value = self._get_value_from_state(opt, option, state) + + else: + value = None + + option.process(value, state) + + if stop: + break + + # If we got any unknown options we re-combinate the string of the + # remaining options and re-attach the prefix, then report that + # to the state as new larg. This way there is basic combinatorics + # that can be achieved while still ignoring unknown arguments. + if self.ignore_unknown_options and unknown_options: + state.largs.append(f"{prefix}{''.join(unknown_options)}") + + def _get_value_from_state( + self, option_name: str, option: Option, state: ParsingState + ) -> t.Any: + nargs = option.nargs + + if len(state.rargs) < nargs: + if option.obj._flag_needs_value: + # Option allows omitting the value. + value = _flag_needs_value + else: + raise BadOptionUsage( + option_name, + ngettext( + "Option {name!r} requires an argument.", + "Option {name!r} requires {nargs} arguments.", + nargs, + ).format(name=option_name, nargs=nargs), + ) + elif nargs == 1: + next_rarg = state.rargs[0] + + if ( + option.obj._flag_needs_value + and isinstance(next_rarg, str) + and next_rarg[:1] in self._opt_prefixes + and len(next_rarg) > 1 + ): + # The next arg looks like the start of an option, don't + # use it as the value if omitting the value is allowed. + value = _flag_needs_value + else: + value = state.rargs.pop(0) + else: + value = tuple(state.rargs[:nargs]) + del state.rargs[:nargs] + + return value + + def _process_opts(self, arg: str, state: ParsingState) -> None: + explicit_value = None + # Long option handling happens in two parts. The first part is + # supporting explicitly attached values. In any case, we will try + # to long match the option first. + if "=" in arg: + long_opt, explicit_value = arg.split("=", 1) + else: + long_opt = arg + norm_long_opt = normalize_opt(long_opt, self.ctx) + + # At this point we will match the (assumed) long option through + # the long option matching code. Note that this allows options + # like "-foo" to be matched as long options. + try: + self._match_long_opt(norm_long_opt, explicit_value, state) + except NoSuchOption: + # At this point the long option matching failed, and we need + # to try with short options. However there is a special rule + # which says, that if we have a two character options prefix + # (applies to "--foo" for instance), we do not dispatch to the + # short option code and will instead raise the no option + # error. + if arg[:2] not in self._opt_prefixes: + self._match_short_opt(arg, state) + return + + if not self.ignore_unknown_options: + raise + + state.largs.append(arg) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/py.typed b/backend/mb-env/lib/python3.9/site-packages/click/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/click/shell_completion.py b/backend/mb-env/lib/python3.9/site-packages/click/shell_completion.py new file mode 100644 index 0000000..706fb69 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/shell_completion.py @@ -0,0 +1,574 @@ +import os +import re +import typing as t +from gettext import gettext as _ + +from .core import Argument +from .core import BaseCommand +from .core import Context +from .core import MultiCommand +from .core import Option +from .core import Parameter +from .core import ParameterSource +from .parser import split_arg_string +from .utils import echo + + +def shell_complete( + cli: BaseCommand, + ctx_args: t.Dict[str, t.Any], + prog_name: str, + complete_var: str, + instruction: str, +) -> int: + """Perform shell completion for the given CLI program. + + :param cli: Command being called. + :param ctx_args: Extra arguments to pass to + ``cli.make_context``. + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. + :param instruction: Value of ``complete_var`` with the completion + instruction and shell, in the form ``instruction_shell``. + :return: Status code to exit with. + """ + shell, _, instruction = instruction.partition("_") + comp_cls = get_completion_class(shell) + + if comp_cls is None: + return 1 + + comp = comp_cls(cli, ctx_args, prog_name, complete_var) + + if instruction == "source": + echo(comp.source()) + return 0 + + if instruction == "complete": + echo(comp.complete()) + return 0 + + return 1 + + +class CompletionItem: + """Represents a completion value and metadata about the value. The + default metadata is ``type`` to indicate special shell handling, + and ``help`` if a shell supports showing a help string next to the + value. + + Arbitrary parameters can be passed when creating the object, and + accessed using ``item.attr``. If an attribute wasn't passed, + accessing it returns ``None``. + + :param value: The completion suggestion. + :param type: Tells the shell script to provide special completion + support for the type. Click uses ``"dir"`` and ``"file"``. + :param help: String shown next to the value if supported. + :param kwargs: Arbitrary metadata. The built-in implementations + don't use this, but custom type completions paired with custom + shell support could use it. + """ + + __slots__ = ("value", "type", "help", "_info") + + def __init__( + self, + value: t.Any, + type: str = "plain", + help: t.Optional[str] = None, + **kwargs: t.Any, + ) -> None: + self.value = value + self.type = type + self.help = help + self._info = kwargs + + def __getattr__(self, name: str) -> t.Any: + return self._info.get(name) + + +# Only Bash >= 4.4 has the nosort option. +_SOURCE_BASH = """\ +%(complete_func)s() { + local IFS=$'\\n' + local response + + response=$(env COMP_WORDS="${COMP_WORDS[*]}" COMP_CWORD=$COMP_CWORD \ +%(complete_var)s=bash_complete $1) + + for completion in $response; do + IFS=',' read type value <<< "$completion" + + if [[ $type == 'dir' ]]; then + COMREPLY=() + compopt -o dirnames + elif [[ $type == 'file' ]]; then + COMREPLY=() + compopt -o default + elif [[ $type == 'plain' ]]; then + COMPREPLY+=($value) + fi + done + + return 0 +} + +%(complete_func)s_setup() { + complete -o nosort -F %(complete_func)s %(prog_name)s +} + +%(complete_func)s_setup; +""" + +_SOURCE_ZSH = """\ +#compdef %(prog_name)s + +%(complete_func)s() { + local -a completions + local -a completions_with_descriptions + local -a response + (( ! $+commands[%(prog_name)s] )) && return 1 + + response=("${(@f)$(env COMP_WORDS="${words[*]}" COMP_CWORD=$((CURRENT-1)) \ +%(complete_var)s=zsh_complete %(prog_name)s)}") + + for type key descr in ${response}; do + if [[ "$type" == "plain" ]]; then + if [[ "$descr" == "_" ]]; then + completions+=("$key") + else + completions_with_descriptions+=("$key":"$descr") + fi + elif [[ "$type" == "dir" ]]; then + _path_files -/ + elif [[ "$type" == "file" ]]; then + _path_files -f + fi + done + + if [ -n "$completions_with_descriptions" ]; then + _describe -V unsorted completions_with_descriptions -U + fi + + if [ -n "$completions" ]; then + compadd -U -V unsorted -a completions + fi +} + +compdef %(complete_func)s %(prog_name)s; +""" + +_SOURCE_FISH = """\ +function %(complete_func)s; + set -l response; + + for value in (env %(complete_var)s=fish_complete COMP_WORDS=(commandline -cp) \ +COMP_CWORD=(commandline -t) %(prog_name)s); + set response $response $value; + end; + + for completion in $response; + set -l metadata (string split "," $completion); + + if test $metadata[1] = "dir"; + __fish_complete_directories $metadata[2]; + else if test $metadata[1] = "file"; + __fish_complete_path $metadata[2]; + else if test $metadata[1] = "plain"; + echo $metadata[2]; + end; + end; +end; + +complete --no-files --command %(prog_name)s --arguments \ +"(%(complete_func)s)"; +""" + + +class ShellComplete: + """Base class for providing shell completion support. A subclass for + a given shell will override attributes and methods to implement the + completion instructions (``source`` and ``complete``). + + :param cli: Command being called. + :param prog_name: Name of the executable in the shell. + :param complete_var: Name of the environment variable that holds + the completion instruction. + + .. versionadded:: 8.0 + """ + + name: t.ClassVar[str] + """Name to register the shell as with :func:`add_completion_class`. + This is used in completion instructions (``{name}_source`` and + ``{name}_complete``). + """ + + source_template: t.ClassVar[str] + """Completion script template formatted by :meth:`source`. This must + be provided by subclasses. + """ + + def __init__( + self, + cli: BaseCommand, + ctx_args: t.Dict[str, t.Any], + prog_name: str, + complete_var: str, + ) -> None: + self.cli = cli + self.ctx_args = ctx_args + self.prog_name = prog_name + self.complete_var = complete_var + + @property + def func_name(self) -> str: + """The name of the shell function defined by the completion + script. + """ + safe_name = re.sub(r"\W*", "", self.prog_name.replace("-", "_"), re.ASCII) + return f"_{safe_name}_completion" + + def source_vars(self) -> t.Dict[str, t.Any]: + """Vars for formatting :attr:`source_template`. + + By default this provides ``complete_func``, ``complete_var``, + and ``prog_name``. + """ + return { + "complete_func": self.func_name, + "complete_var": self.complete_var, + "prog_name": self.prog_name, + } + + def source(self) -> str: + """Produce the shell script that defines the completion + function. By default this ``%``-style formats + :attr:`source_template` with the dict returned by + :meth:`source_vars`. + """ + return self.source_template % self.source_vars() + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + """Use the env vars defined by the shell script to return a + tuple of ``args, incomplete``. This must be implemented by + subclasses. + """ + raise NotImplementedError + + def get_completions( + self, args: t.List[str], incomplete: str + ) -> t.List[CompletionItem]: + """Determine the context and last complete command or parameter + from the complete args. Call that object's ``shell_complete`` + method to get the completions for the incomplete value. + + :param args: List of complete args before the incomplete value. + :param incomplete: Value being completed. May be empty. + """ + ctx = _resolve_context(self.cli, self.ctx_args, self.prog_name, args) + obj, incomplete = _resolve_incomplete(ctx, args, incomplete) + return obj.shell_complete(ctx, incomplete) + + def format_completion(self, item: CompletionItem) -> str: + """Format a completion item into the form recognized by the + shell script. This must be implemented by subclasses. + + :param item: Completion item to format. + """ + raise NotImplementedError + + def complete(self) -> str: + """Produce the completion data to send back to the shell. + + By default this calls :meth:`get_completion_args`, gets the + completions, then calls :meth:`format_completion` for each + completion. + """ + args, incomplete = self.get_completion_args() + completions = self.get_completions(args, incomplete) + out = [self.format_completion(item) for item in completions] + return "\n".join(out) + + +class BashComplete(ShellComplete): + """Shell completion for Bash.""" + + name = "bash" + source_template = _SOURCE_BASH + + def _check_version(self) -> None: + import subprocess + + output = subprocess.run(["bash", "--version"], stdout=subprocess.PIPE) + match = re.search(r"version (\d)\.(\d)\.\d", output.stdout.decode()) + + if match is not None: + major, minor = match.groups() + + if major < "4" or major == "4" and minor < "4": + raise RuntimeError( + _( + "Shell completion is not supported for Bash" + " versions older than 4.4." + ) + ) + else: + raise RuntimeError( + _("Couldn't detect Bash version, shell completion is not supported.") + ) + + def source(self) -> str: + self._check_version() + return super().source() + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + cword = int(os.environ["COMP_CWORD"]) + args = cwords[1:cword] + + try: + incomplete = cwords[cword] + except IndexError: + incomplete = "" + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + return f"{item.type},{item.value}" + + +class ZshComplete(ShellComplete): + """Shell completion for Zsh.""" + + name = "zsh" + source_template = _SOURCE_ZSH + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + cword = int(os.environ["COMP_CWORD"]) + args = cwords[1:cword] + + try: + incomplete = cwords[cword] + except IndexError: + incomplete = "" + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + return f"{item.type}\n{item.value}\n{item.help if item.help else '_'}" + + +class FishComplete(ShellComplete): + """Shell completion for Fish.""" + + name = "fish" + source_template = _SOURCE_FISH + + def get_completion_args(self) -> t.Tuple[t.List[str], str]: + cwords = split_arg_string(os.environ["COMP_WORDS"]) + incomplete = os.environ["COMP_CWORD"] + args = cwords[1:] + + # Fish stores the partial word in both COMP_WORDS and + # COMP_CWORD, remove it from complete args. + if incomplete and args and args[-1] == incomplete: + args.pop() + + return args, incomplete + + def format_completion(self, item: CompletionItem) -> str: + if item.help: + return f"{item.type},{item.value}\t{item.help}" + + return f"{item.type},{item.value}" + + +_available_shells: t.Dict[str, t.Type[ShellComplete]] = { + "bash": BashComplete, + "fish": FishComplete, + "zsh": ZshComplete, +} + + +def add_completion_class( + cls: t.Type[ShellComplete], name: t.Optional[str] = None +) -> None: + """Register a :class:`ShellComplete` subclass under the given name. + The name will be provided by the completion instruction environment + variable during completion. + + :param cls: The completion class that will handle completion for the + shell. + :param name: Name to register the class under. Defaults to the + class's ``name`` attribute. + """ + if name is None: + name = cls.name + + _available_shells[name] = cls + + +def get_completion_class(shell: str) -> t.Optional[t.Type[ShellComplete]]: + """Look up a registered :class:`ShellComplete` subclass by the name + provided by the completion instruction environment variable. If the + name isn't registered, returns ``None``. + + :param shell: Name the class is registered under. + """ + return _available_shells.get(shell) + + +def _is_incomplete_argument(ctx: Context, param: Parameter) -> bool: + """Determine if the given parameter is an argument that can still + accept values. + + :param ctx: Invocation context for the command represented by the + parsed complete args. + :param param: Argument object being checked. + """ + if not isinstance(param, Argument): + return False + + assert param.name is not None + value = ctx.params[param.name] + return ( + param.nargs == -1 + or ctx.get_parameter_source(param.name) is not ParameterSource.COMMANDLINE + or ( + param.nargs > 1 + and isinstance(value, (tuple, list)) + and len(value) < param.nargs + ) + ) + + +def _start_of_option(value: str) -> bool: + """Check if the value looks like the start of an option.""" + return not value[0].isalnum() if value else False + + +def _is_incomplete_option(args: t.List[str], param: Parameter) -> bool: + """Determine if the given parameter is an option that needs a value. + + :param args: List of complete args before the incomplete value. + :param param: Option object being checked. + """ + if not isinstance(param, Option): + return False + + if param.is_flag: + return False + + last_option = None + + for index, arg in enumerate(reversed(args)): + if index + 1 > param.nargs: + break + + if _start_of_option(arg): + last_option = arg + + return last_option is not None and last_option in param.opts + + +def _resolve_context( + cli: BaseCommand, ctx_args: t.Dict[str, t.Any], prog_name: str, args: t.List[str] +) -> Context: + """Produce the context hierarchy starting with the command and + traversing the complete arguments. This only follows the commands, + it doesn't trigger input prompts or callbacks. + + :param cli: Command being called. + :param prog_name: Name of the executable in the shell. + :param args: List of complete args before the incomplete value. + """ + ctx_args["resilient_parsing"] = True + ctx = cli.make_context(prog_name, args.copy(), **ctx_args) + args = ctx.protected_args + ctx.args + + while args: + command = ctx.command + + if isinstance(command, MultiCommand): + if not command.chain: + name, cmd, args = command.resolve_command(ctx, args) + + if cmd is None: + return ctx + + ctx = cmd.make_context(name, args, parent=ctx, resilient_parsing=True) + args = ctx.protected_args + ctx.args + else: + while args: + name, cmd, args = command.resolve_command(ctx, args) + + if cmd is None: + return ctx + + sub_ctx = cmd.make_context( + name, + args, + parent=ctx, + allow_extra_args=True, + allow_interspersed_args=False, + resilient_parsing=True, + ) + args = sub_ctx.args + + ctx = sub_ctx + args = [*sub_ctx.protected_args, *sub_ctx.args] + else: + break + + return ctx + + +def _resolve_incomplete( + ctx: Context, args: t.List[str], incomplete: str +) -> t.Tuple[t.Union[BaseCommand, Parameter], str]: + """Find the Click object that will handle the completion of the + incomplete value. Return the object and the incomplete value. + + :param ctx: Invocation context for the command represented by + the parsed complete args. + :param args: List of complete args before the incomplete value. + :param incomplete: Value being completed. May be empty. + """ + # Different shells treat an "=" between a long option name and + # value differently. Might keep the value joined, return the "=" + # as a separate item, or return the split name and value. Always + # split and discard the "=" to make completion easier. + if incomplete == "=": + incomplete = "" + elif "=" in incomplete and _start_of_option(incomplete): + name, _, incomplete = incomplete.partition("=") + args.append(name) + + # The "--" marker tells Click to stop treating values as options + # even if they start with the option character. If it hasn't been + # given and the incomplete arg looks like an option, the current + # command will provide option name completions. + if "--" not in args and _start_of_option(incomplete): + return ctx.command, incomplete + + params = ctx.command.get_params(ctx) + + # If the last complete arg is an option name with an incomplete + # value, the option will provide value completions. + for param in params: + if _is_incomplete_option(args, param): + return param, incomplete + + # It's not an option name or value. The first argument without a + # parsed value will provide value completions. + for param in params: + if _is_incomplete_argument(ctx, param): + return param, incomplete + + # There were no unparsed arguments, the command may be a group that + # will provide command name completions. + return ctx.command, incomplete diff --git a/backend/mb-env/lib/python3.9/site-packages/click/termui.py b/backend/mb-env/lib/python3.9/site-packages/click/termui.py new file mode 100644 index 0000000..034fe6e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/termui.py @@ -0,0 +1,807 @@ +import inspect +import io +import itertools +import os +import sys +import typing +import typing as t +from gettext import gettext as _ + +from ._compat import isatty +from ._compat import strip_ansi +from ._compat import WIN +from .exceptions import Abort +from .exceptions import UsageError +from .globals import resolve_color_default +from .types import Choice +from .types import convert_type +from .types import ParamType +from .utils import echo +from .utils import LazyFile + +if t.TYPE_CHECKING: + from ._termui_impl import ProgressBar + +V = t.TypeVar("V") + +# The prompt functions to use. The doc tools currently override these +# functions to customize how they work. +visible_prompt_func: t.Callable[[str], str] = input + +_ansi_colors = { + "black": 30, + "red": 31, + "green": 32, + "yellow": 33, + "blue": 34, + "magenta": 35, + "cyan": 36, + "white": 37, + "reset": 39, + "bright_black": 90, + "bright_red": 91, + "bright_green": 92, + "bright_yellow": 93, + "bright_blue": 94, + "bright_magenta": 95, + "bright_cyan": 96, + "bright_white": 97, +} +_ansi_reset_all = "\033[0m" + + +def hidden_prompt_func(prompt: str) -> str: + import getpass + + return getpass.getpass(prompt) + + +def _build_prompt( + text: str, + suffix: str, + show_default: bool = False, + default: t.Optional[t.Any] = None, + show_choices: bool = True, + type: t.Optional[ParamType] = None, +) -> str: + prompt = text + if type is not None and show_choices and isinstance(type, Choice): + prompt += f" ({', '.join(map(str, type.choices))})" + if default is not None and show_default: + prompt = f"{prompt} [{_format_default(default)}]" + return f"{prompt}{suffix}" + + +def _format_default(default: t.Any) -> t.Any: + if isinstance(default, (io.IOBase, LazyFile)) and hasattr(default, "name"): + return default.name # type: ignore + + return default + + +def prompt( + text: str, + default: t.Optional[t.Any] = None, + hide_input: bool = False, + confirmation_prompt: t.Union[bool, str] = False, + type: t.Optional[ParamType] = None, + value_proc: t.Optional[t.Callable[[str], t.Any]] = None, + prompt_suffix: str = ": ", + show_default: bool = True, + err: bool = False, + show_choices: bool = True, +) -> t.Any: + """Prompts a user for input. This is a convenience function that can + be used to prompt a user for input later. + + If the user aborts the input by sending a interrupt signal, this + function will catch it and raise a :exc:`Abort` exception. + + :param text: the text to show for the prompt. + :param default: the default value to use if no input happens. If this + is not given it will prompt until it's aborted. + :param hide_input: if this is set to true then the input value will + be hidden. + :param confirmation_prompt: Prompt a second time to confirm the + value. Can be set to a string instead of ``True`` to customize + the message. + :param type: the type to use to check the value against. + :param value_proc: if this parameter is provided it's a function that + is invoked instead of the type conversion to + convert a value. + :param prompt_suffix: a suffix that should be added to the prompt. + :param show_default: shows or hides the default value in the prompt. + :param err: if set to true the file defaults to ``stderr`` instead of + ``stdout``, the same as with echo. + :param show_choices: Show or hide choices if the passed type is a Choice. + For example if type is a Choice of either day or week, + show_choices is true and text is "Group by" then the + prompt will be "Group by (day, week): ". + + .. versionadded:: 8.0 + ``confirmation_prompt`` can be a custom string. + + .. versionadded:: 7.0 + Added the ``show_choices`` parameter. + + .. versionadded:: 6.0 + Added unicode support for cmd.exe on Windows. + + .. versionadded:: 4.0 + Added the `err` parameter. + + """ + + def prompt_func(text: str) -> str: + f = hidden_prompt_func if hide_input else visible_prompt_func + try: + # Write the prompt separately so that we get nice + # coloring through colorama on Windows + echo(text.rstrip(" "), nl=False, err=err) + # Echo a space to stdout to work around an issue where + # readline causes backspace to clear the whole line. + return f(" ") + except (KeyboardInterrupt, EOFError): + # getpass doesn't print a newline if the user aborts input with ^C. + # Allegedly this behavior is inherited from getpass(3). + # A doc bug has been filed at https://bugs.python.org/issue24711 + if hide_input: + echo(None, err=err) + raise Abort() + + if value_proc is None: + value_proc = convert_type(type, default) + + prompt = _build_prompt( + text, prompt_suffix, show_default, default, show_choices, type + ) + + if confirmation_prompt: + if confirmation_prompt is True: + confirmation_prompt = _("Repeat for confirmation") + + confirmation_prompt = t.cast(str, confirmation_prompt) + confirmation_prompt = _build_prompt(confirmation_prompt, prompt_suffix) + + while True: + while True: + value = prompt_func(prompt) + if value: + break + elif default is not None: + value = default + break + try: + result = value_proc(value) + except UsageError as e: + if hide_input: + echo(_("Error: The value you entered was invalid."), err=err) + else: + echo(_("Error: {e.message}").format(e=e), err=err) # noqa: B306 + continue + if not confirmation_prompt: + return result + while True: + confirmation_prompt = t.cast(str, confirmation_prompt) + value2 = prompt_func(confirmation_prompt) + if value2: + break + if value == value2: + return result + echo(_("Error: The two entered values do not match."), err=err) + + +def confirm( + text: str, + default: t.Optional[bool] = False, + abort: bool = False, + prompt_suffix: str = ": ", + show_default: bool = True, + err: bool = False, +) -> bool: + """Prompts for confirmation (yes/no question). + + If the user aborts the input by sending a interrupt signal this + function will catch it and raise a :exc:`Abort` exception. + + :param text: the question to ask. + :param default: The default value to use when no input is given. If + ``None``, repeat until input is given. + :param abort: if this is set to `True` a negative answer aborts the + exception by raising :exc:`Abort`. + :param prompt_suffix: a suffix that should be added to the prompt. + :param show_default: shows or hides the default value in the prompt. + :param err: if set to true the file defaults to ``stderr`` instead of + ``stdout``, the same as with echo. + + .. versionchanged:: 8.0 + Repeat until input is given if ``default`` is ``None``. + + .. versionadded:: 4.0 + Added the ``err`` parameter. + """ + prompt = _build_prompt( + text, + prompt_suffix, + show_default, + "y/n" if default is None else ("Y/n" if default else "y/N"), + ) + + while True: + try: + # Write the prompt separately so that we get nice + # coloring through colorama on Windows + echo(prompt, nl=False, err=err) + value = visible_prompt_func("").lower().strip() + except (KeyboardInterrupt, EOFError): + raise Abort() + if value in ("y", "yes"): + rv = True + elif value in ("n", "no"): + rv = False + elif default is not None and value == "": + rv = default + else: + echo(_("Error: invalid input"), err=err) + continue + break + if abort and not rv: + raise Abort() + return rv + + +def get_terminal_size() -> os.terminal_size: + """Returns the current size of the terminal as tuple in the form + ``(width, height)`` in columns and rows. + + .. deprecated:: 8.0 + Will be removed in Click 8.1. Use + :func:`shutil.get_terminal_size` instead. + """ + import shutil + import warnings + + warnings.warn( + "'click.get_terminal_size()' is deprecated and will be removed" + " in Click 8.1. Use 'shutil.get_terminal_size()' instead.", + DeprecationWarning, + stacklevel=2, + ) + return shutil.get_terminal_size() + + +def echo_via_pager( + text_or_generator: t.Union[t.Iterable[str], t.Callable[[], t.Iterable[str]], str], + color: t.Optional[bool] = None, +) -> None: + """This function takes a text and shows it via an environment specific + pager on stdout. + + .. versionchanged:: 3.0 + Added the `color` flag. + + :param text_or_generator: the text to page, or alternatively, a + generator emitting the text to page. + :param color: controls if the pager supports ANSI colors or not. The + default is autodetection. + """ + color = resolve_color_default(color) + + if inspect.isgeneratorfunction(text_or_generator): + i = t.cast(t.Callable[[], t.Iterable[str]], text_or_generator)() + elif isinstance(text_or_generator, str): + i = [text_or_generator] + else: + i = iter(t.cast(t.Iterable[str], text_or_generator)) + + # convert every element of i to a text type if necessary + text_generator = (el if isinstance(el, str) else str(el) for el in i) + + from ._termui_impl import pager + + return pager(itertools.chain(text_generator, "\n"), color) + + +def progressbar( + iterable: t.Optional[t.Iterable[V]] = None, + length: t.Optional[int] = None, + label: t.Optional[str] = None, + show_eta: bool = True, + show_percent: t.Optional[bool] = None, + show_pos: bool = False, + item_show_func: t.Optional[t.Callable[[t.Optional[V]], t.Optional[str]]] = None, + fill_char: str = "#", + empty_char: str = "-", + bar_template: str = "%(label)s [%(bar)s] %(info)s", + info_sep: str = " ", + width: int = 36, + file: t.Optional[t.TextIO] = None, + color: t.Optional[bool] = None, + update_min_steps: int = 1, +) -> "ProgressBar[V]": + """This function creates an iterable context manager that can be used + to iterate over something while showing a progress bar. It will + either iterate over the `iterable` or `length` items (that are counted + up). While iteration happens, this function will print a rendered + progress bar to the given `file` (defaults to stdout) and will attempt + to calculate remaining time and more. By default, this progress bar + will not be rendered if the file is not a terminal. + + The context manager creates the progress bar. When the context + manager is entered the progress bar is already created. With every + iteration over the progress bar, the iterable passed to the bar is + advanced and the bar is updated. When the context manager exits, + a newline is printed and the progress bar is finalized on screen. + + Note: The progress bar is currently designed for use cases where the + total progress can be expected to take at least several seconds. + Because of this, the ProgressBar class object won't display + progress that is considered too fast, and progress where the time + between steps is less than a second. + + No printing must happen or the progress bar will be unintentionally + destroyed. + + Example usage:: + + with progressbar(items) as bar: + for item in bar: + do_something_with(item) + + Alternatively, if no iterable is specified, one can manually update the + progress bar through the `update()` method instead of directly + iterating over the progress bar. The update method accepts the number + of steps to increment the bar with:: + + with progressbar(length=chunks.total_bytes) as bar: + for chunk in chunks: + process_chunk(chunk) + bar.update(chunks.bytes) + + The ``update()`` method also takes an optional value specifying the + ``current_item`` at the new position. This is useful when used + together with ``item_show_func`` to customize the output for each + manual step:: + + with click.progressbar( + length=total_size, + label='Unzipping archive', + item_show_func=lambda a: a.filename + ) as bar: + for archive in zip_file: + archive.extract() + bar.update(archive.size, archive) + + :param iterable: an iterable to iterate over. If not provided the length + is required. + :param length: the number of items to iterate over. By default the + progressbar will attempt to ask the iterator about its + length, which might or might not work. If an iterable is + also provided this parameter can be used to override the + length. If an iterable is not provided the progress bar + will iterate over a range of that length. + :param label: the label to show next to the progress bar. + :param show_eta: enables or disables the estimated time display. This is + automatically disabled if the length cannot be + determined. + :param show_percent: enables or disables the percentage display. The + default is `True` if the iterable has a length or + `False` if not. + :param show_pos: enables or disables the absolute position display. The + default is `False`. + :param item_show_func: A function called with the current item which + can return a string to show next to the progress bar. If the + function returns ``None`` nothing is shown. The current item can + be ``None``, such as when entering and exiting the bar. + :param fill_char: the character to use to show the filled part of the + progress bar. + :param empty_char: the character to use to show the non-filled part of + the progress bar. + :param bar_template: the format string to use as template for the bar. + The parameters in it are ``label`` for the label, + ``bar`` for the progress bar and ``info`` for the + info section. + :param info_sep: the separator between multiple info items (eta etc.) + :param width: the width of the progress bar in characters, 0 means full + terminal width + :param file: The file to write to. If this is not a terminal then + only the label is printed. + :param color: controls if the terminal supports ANSI colors or not. The + default is autodetection. This is only needed if ANSI + codes are included anywhere in the progress bar output + which is not the case by default. + :param update_min_steps: Render only when this many updates have + completed. This allows tuning for very fast iterators. + + .. versionchanged:: 8.0 + Output is shown even if execution time is less than 0.5 seconds. + + .. versionchanged:: 8.0 + ``item_show_func`` shows the current item, not the previous one. + + .. versionchanged:: 8.0 + Labels are echoed if the output is not a TTY. Reverts a change + in 7.0 that removed all output. + + .. versionadded:: 8.0 + Added the ``update_min_steps`` parameter. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. Added the ``update`` method to + the object. + + .. versionadded:: 2.0 + """ + from ._termui_impl import ProgressBar + + color = resolve_color_default(color) + return ProgressBar( + iterable=iterable, + length=length, + show_eta=show_eta, + show_percent=show_percent, + show_pos=show_pos, + item_show_func=item_show_func, + fill_char=fill_char, + empty_char=empty_char, + bar_template=bar_template, + info_sep=info_sep, + file=file, + label=label, + width=width, + color=color, + update_min_steps=update_min_steps, + ) + + +def clear() -> None: + """Clears the terminal screen. This will have the effect of clearing + the whole visible space of the terminal and moving the cursor to the + top left. This does not do anything if not connected to a terminal. + + .. versionadded:: 2.0 + """ + if not isatty(sys.stdout): + return + if WIN: + os.system("cls") + else: + sys.stdout.write("\033[2J\033[1;1H") + + +def _interpret_color( + color: t.Union[int, t.Tuple[int, int, int], str], offset: int = 0 +) -> str: + if isinstance(color, int): + return f"{38 + offset};5;{color:d}" + + if isinstance(color, (tuple, list)): + r, g, b = color + return f"{38 + offset};2;{r:d};{g:d};{b:d}" + + return str(_ansi_colors[color] + offset) + + +def style( + text: t.Any, + fg: t.Optional[t.Union[int, t.Tuple[int, int, int], str]] = None, + bg: t.Optional[t.Union[int, t.Tuple[int, int, int], str]] = None, + bold: t.Optional[bool] = None, + dim: t.Optional[bool] = None, + underline: t.Optional[bool] = None, + overline: t.Optional[bool] = None, + italic: t.Optional[bool] = None, + blink: t.Optional[bool] = None, + reverse: t.Optional[bool] = None, + strikethrough: t.Optional[bool] = None, + reset: bool = True, +) -> str: + """Styles a text with ANSI styles and returns the new string. By + default the styling is self contained which means that at the end + of the string a reset code is issued. This can be prevented by + passing ``reset=False``. + + Examples:: + + click.echo(click.style('Hello World!', fg='green')) + click.echo(click.style('ATTENTION!', blink=True)) + click.echo(click.style('Some things', reverse=True, fg='cyan')) + click.echo(click.style('More colors', fg=(255, 12, 128), bg=117)) + + Supported color names: + + * ``black`` (might be a gray) + * ``red`` + * ``green`` + * ``yellow`` (might be an orange) + * ``blue`` + * ``magenta`` + * ``cyan`` + * ``white`` (might be light gray) + * ``bright_black`` + * ``bright_red`` + * ``bright_green`` + * ``bright_yellow`` + * ``bright_blue`` + * ``bright_magenta`` + * ``bright_cyan`` + * ``bright_white`` + * ``reset`` (reset the color code only) + + If the terminal supports it, color may also be specified as: + + - An integer in the interval [0, 255]. The terminal must support + 8-bit/256-color mode. + - An RGB tuple of three integers in [0, 255]. The terminal must + support 24-bit/true-color mode. + + See https://en.wikipedia.org/wiki/ANSI_color and + https://gist.github.com/XVilka/8346728 for more information. + + :param text: the string to style with ansi codes. + :param fg: if provided this will become the foreground color. + :param bg: if provided this will become the background color. + :param bold: if provided this will enable or disable bold mode. + :param dim: if provided this will enable or disable dim mode. This is + badly supported. + :param underline: if provided this will enable or disable underline. + :param overline: if provided this will enable or disable overline. + :param italic: if provided this will enable or disable italic. + :param blink: if provided this will enable or disable blinking. + :param reverse: if provided this will enable or disable inverse + rendering (foreground becomes background and the + other way round). + :param strikethrough: if provided this will enable or disable + striking through text. + :param reset: by default a reset-all code is added at the end of the + string which means that styles do not carry over. This + can be disabled to compose styles. + + .. versionchanged:: 8.0 + A non-string ``message`` is converted to a string. + + .. versionchanged:: 8.0 + Added support for 256 and RGB color codes. + + .. versionchanged:: 8.0 + Added the ``strikethrough``, ``italic``, and ``overline`` + parameters. + + .. versionchanged:: 7.0 + Added support for bright colors. + + .. versionadded:: 2.0 + """ + if not isinstance(text, str): + text = str(text) + + bits = [] + + if fg: + try: + bits.append(f"\033[{_interpret_color(fg)}m") + except KeyError: + raise TypeError(f"Unknown color {fg!r}") + + if bg: + try: + bits.append(f"\033[{_interpret_color(bg, 10)}m") + except KeyError: + raise TypeError(f"Unknown color {bg!r}") + + if bold is not None: + bits.append(f"\033[{1 if bold else 22}m") + if dim is not None: + bits.append(f"\033[{2 if dim else 22}m") + if underline is not None: + bits.append(f"\033[{4 if underline else 24}m") + if overline is not None: + bits.append(f"\033[{53 if underline else 55}m") + if italic is not None: + bits.append(f"\033[{5 if underline else 23}m") + if blink is not None: + bits.append(f"\033[{5 if blink else 25}m") + if reverse is not None: + bits.append(f"\033[{7 if reverse else 27}m") + if strikethrough is not None: + bits.append(f"\033[{9 if strikethrough else 29}m") + bits.append(text) + if reset: + bits.append(_ansi_reset_all) + return "".join(bits) + + +def unstyle(text: str) -> str: + """Removes ANSI styling information from a string. Usually it's not + necessary to use this function as Click's echo function will + automatically remove styling if necessary. + + .. versionadded:: 2.0 + + :param text: the text to remove style information from. + """ + return strip_ansi(text) + + +def secho( + message: t.Optional[t.Any] = None, + file: t.Optional[t.IO] = None, + nl: bool = True, + err: bool = False, + color: t.Optional[bool] = None, + **styles: t.Any, +) -> None: + """This function combines :func:`echo` and :func:`style` into one + call. As such the following two calls are the same:: + + click.secho('Hello World!', fg='green') + click.echo(click.style('Hello World!', fg='green')) + + All keyword arguments are forwarded to the underlying functions + depending on which one they go with. + + Non-string types will be converted to :class:`str`. However, + :class:`bytes` are passed directly to :meth:`echo` without applying + style. If you want to style bytes that represent text, call + :meth:`bytes.decode` first. + + .. versionchanged:: 8.0 + A non-string ``message`` is converted to a string. Bytes are + passed through without style applied. + + .. versionadded:: 2.0 + """ + if message is not None and not isinstance(message, (bytes, bytearray)): + message = style(message, **styles) + + return echo(message, file=file, nl=nl, err=err, color=color) + + +def edit( + text: t.Optional[t.AnyStr] = None, + editor: t.Optional[str] = None, + env: t.Optional[t.Mapping[str, str]] = None, + require_save: bool = True, + extension: str = ".txt", + filename: t.Optional[str] = None, +) -> t.Optional[t.AnyStr]: + r"""Edits the given text in the defined editor. If an editor is given + (should be the full path to the executable but the regular operating + system search path is used for finding the executable) it overrides + the detected editor. Optionally, some environment variables can be + used. If the editor is closed without changes, `None` is returned. In + case a file is edited directly the return value is always `None` and + `require_save` and `extension` are ignored. + + If the editor cannot be opened a :exc:`UsageError` is raised. + + Note for Windows: to simplify cross-platform usage, the newlines are + automatically converted from POSIX to Windows and vice versa. As such, + the message here will have ``\n`` as newline markers. + + :param text: the text to edit. + :param editor: optionally the editor to use. Defaults to automatic + detection. + :param env: environment variables to forward to the editor. + :param require_save: if this is true, then not saving in the editor + will make the return value become `None`. + :param extension: the extension to tell the editor about. This defaults + to `.txt` but changing this might change syntax + highlighting. + :param filename: if provided it will edit this file instead of the + provided text contents. It will not use a temporary + file as an indirection in that case. + """ + from ._termui_impl import Editor + + ed = Editor(editor=editor, env=env, require_save=require_save, extension=extension) + + if filename is None: + return ed.edit(text) + + ed.edit_file(filename) + return None + + +def launch(url: str, wait: bool = False, locate: bool = False) -> int: + """This function launches the given URL (or filename) in the default + viewer application for this file type. If this is an executable, it + might launch the executable in a new session. The return value is + the exit code of the launched application. Usually, ``0`` indicates + success. + + Examples:: + + click.launch('https://click.palletsprojects.com/') + click.launch('/my/downloaded/file', locate=True) + + .. versionadded:: 2.0 + + :param url: URL or filename of the thing to launch. + :param wait: Wait for the program to exit before returning. This + only works if the launched program blocks. In particular, + ``xdg-open`` on Linux does not block. + :param locate: if this is set to `True` then instead of launching the + application associated with the URL it will attempt to + launch a file manager with the file located. This + might have weird effects if the URL does not point to + the filesystem. + """ + from ._termui_impl import open_url + + return open_url(url, wait=wait, locate=locate) + + +# If this is provided, getchar() calls into this instead. This is used +# for unittesting purposes. +_getchar: t.Optional[t.Callable[[bool], str]] = None + + +def getchar(echo: bool = False) -> str: + """Fetches a single character from the terminal and returns it. This + will always return a unicode character and under certain rare + circumstances this might return more than one character. The + situations which more than one character is returned is when for + whatever reason multiple characters end up in the terminal buffer or + standard input was not actually a terminal. + + Note that this will always read from the terminal, even if something + is piped into the standard input. + + Note for Windows: in rare cases when typing non-ASCII characters, this + function might wait for a second character and then return both at once. + This is because certain Unicode characters look like special-key markers. + + .. versionadded:: 2.0 + + :param echo: if set to `True`, the character read will also show up on + the terminal. The default is to not show it. + """ + global _getchar + + if _getchar is None: + from ._termui_impl import getchar as f + + _getchar = f + + return _getchar(echo) + + +def raw_terminal() -> t.ContextManager[int]: + from ._termui_impl import raw_terminal as f + + return f() + + +def pause(info: t.Optional[str] = None, err: bool = False) -> None: + """This command stops execution and waits for the user to press any + key to continue. This is similar to the Windows batch "pause" + command. If the program is not run through a terminal, this command + will instead do nothing. + + .. versionadded:: 2.0 + + .. versionadded:: 4.0 + Added the `err` parameter. + + :param info: The message to print before pausing. Defaults to + ``"Press any key to continue..."``. + :param err: if set to message goes to ``stderr`` instead of + ``stdout``, the same as with echo. + """ + if not isatty(sys.stdin) or not isatty(sys.stdout): + return + + if info is None: + info = _("Press any key to continue...") + + try: + if info: + echo(info, nl=False, err=err) + try: + getchar() + except (KeyboardInterrupt, EOFError): + pass + finally: + if info: + echo(err=err) diff --git a/backend/mb-env/lib/python3.9/site-packages/click/testing.py b/backend/mb-env/lib/python3.9/site-packages/click/testing.py new file mode 100644 index 0000000..d19b850 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/testing.py @@ -0,0 +1,479 @@ +import contextlib +import io +import os +import shlex +import shutil +import sys +import tempfile +import typing as t +from types import TracebackType + +from . import formatting +from . import termui +from . import utils +from ._compat import _find_binary_reader + +if t.TYPE_CHECKING: + from .core import BaseCommand + + +class EchoingStdin: + def __init__(self, input: t.BinaryIO, output: t.BinaryIO) -> None: + self._input = input + self._output = output + self._paused = False + + def __getattr__(self, x: str) -> t.Any: + return getattr(self._input, x) + + def _echo(self, rv: bytes) -> bytes: + if not self._paused: + self._output.write(rv) + + return rv + + def read(self, n: int = -1) -> bytes: + return self._echo(self._input.read(n)) + + def read1(self, n: int = -1) -> bytes: + return self._echo(self._input.read1(n)) # type: ignore + + def readline(self, n: int = -1) -> bytes: + return self._echo(self._input.readline(n)) + + def readlines(self) -> t.List[bytes]: + return [self._echo(x) for x in self._input.readlines()] + + def __iter__(self) -> t.Iterator[bytes]: + return iter(self._echo(x) for x in self._input) + + def __repr__(self) -> str: + return repr(self._input) + + +@contextlib.contextmanager +def _pause_echo(stream: t.Optional[EchoingStdin]) -> t.Iterator[None]: + if stream is None: + yield + else: + stream._paused = True + yield + stream._paused = False + + +class _NamedTextIOWrapper(io.TextIOWrapper): + def __init__( + self, buffer: t.BinaryIO, name: str, mode: str, **kwargs: t.Any + ) -> None: + super().__init__(buffer, **kwargs) + self._name = name + self._mode = mode + + @property + def name(self) -> str: + return self._name + + @property + def mode(self) -> str: + return self._mode + + +def make_input_stream( + input: t.Optional[t.Union[str, bytes, t.IO]], charset: str +) -> t.BinaryIO: + # Is already an input stream. + if hasattr(input, "read"): + rv = _find_binary_reader(t.cast(t.IO, input)) + + if rv is not None: + return rv + + raise TypeError("Could not find binary reader for input stream.") + + if input is None: + input = b"" + elif isinstance(input, str): + input = input.encode(charset) + + return io.BytesIO(t.cast(bytes, input)) + + +class Result: + """Holds the captured result of an invoked CLI script.""" + + def __init__( + self, + runner: "CliRunner", + stdout_bytes: bytes, + stderr_bytes: t.Optional[bytes], + return_value: t.Any, + exit_code: int, + exception: t.Optional[BaseException], + exc_info: t.Optional[ + t.Tuple[t.Type[BaseException], BaseException, TracebackType] + ] = None, + ): + #: The runner that created the result + self.runner = runner + #: The standard output as bytes. + self.stdout_bytes = stdout_bytes + #: The standard error as bytes, or None if not available + self.stderr_bytes = stderr_bytes + #: The value returned from the invoked command. + #: + #: .. versionadded:: 8.0 + self.return_value = return_value + #: The exit code as integer. + self.exit_code = exit_code + #: The exception that happened if one did. + self.exception = exception + #: The traceback + self.exc_info = exc_info + + @property + def output(self) -> str: + """The (standard) output as unicode string.""" + return self.stdout + + @property + def stdout(self) -> str: + """The standard output as unicode string.""" + return self.stdout_bytes.decode(self.runner.charset, "replace").replace( + "\r\n", "\n" + ) + + @property + def stderr(self) -> str: + """The standard error as unicode string.""" + if self.stderr_bytes is None: + raise ValueError("stderr not separately captured") + return self.stderr_bytes.decode(self.runner.charset, "replace").replace( + "\r\n", "\n" + ) + + def __repr__(self) -> str: + exc_str = repr(self.exception) if self.exception else "okay" + return f"<{type(self).__name__} {exc_str}>" + + +class CliRunner: + """The CLI runner provides functionality to invoke a Click command line + script for unittesting purposes in a isolated environment. This only + works in single-threaded systems without any concurrency as it changes the + global interpreter state. + + :param charset: the character set for the input and output data. + :param env: a dictionary with environment variables for overriding. + :param echo_stdin: if this is set to `True`, then reading from stdin writes + to stdout. This is useful for showing examples in + some circumstances. Note that regular prompts + will automatically echo the input. + :param mix_stderr: if this is set to `False`, then stdout and stderr are + preserved as independent streams. This is useful for + Unix-philosophy apps that have predictable stdout and + noisy stderr, such that each may be measured + independently + """ + + def __init__( + self, + charset: str = "utf-8", + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + echo_stdin: bool = False, + mix_stderr: bool = True, + ) -> None: + self.charset = charset + self.env = env or {} + self.echo_stdin = echo_stdin + self.mix_stderr = mix_stderr + + def get_default_prog_name(self, cli: "BaseCommand") -> str: + """Given a command object it will return the default program name + for it. The default is the `name` attribute or ``"root"`` if not + set. + """ + return cli.name or "root" + + def make_env( + self, overrides: t.Optional[t.Mapping[str, t.Optional[str]]] = None + ) -> t.Mapping[str, t.Optional[str]]: + """Returns the environment overrides for invoking a script.""" + rv = dict(self.env) + if overrides: + rv.update(overrides) + return rv + + @contextlib.contextmanager + def isolation( + self, + input: t.Optional[t.Union[str, bytes, t.IO]] = None, + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + color: bool = False, + ) -> t.Iterator[t.Tuple[io.BytesIO, t.Optional[io.BytesIO]]]: + """A context manager that sets up the isolation for invoking of a + command line tool. This sets up stdin with the given input data + and `os.environ` with the overrides from the given dictionary. + This also rebinds some internals in Click to be mocked (like the + prompt functionality). + + This is automatically done in the :meth:`invoke` method. + + :param input: the input stream to put into sys.stdin. + :param env: the environment overrides as dictionary. + :param color: whether the output should contain color codes. The + application can still override this explicitly. + + .. versionchanged:: 8.0 + ``stderr`` is opened with ``errors="backslashreplace"`` + instead of the default ``"strict"``. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + """ + bytes_input = make_input_stream(input, self.charset) + echo_input = None + + old_stdin = sys.stdin + old_stdout = sys.stdout + old_stderr = sys.stderr + old_forced_width = formatting.FORCED_WIDTH + formatting.FORCED_WIDTH = 80 + + env = self.make_env(env) + + bytes_output = io.BytesIO() + + if self.echo_stdin: + bytes_input = echo_input = t.cast( + t.BinaryIO, EchoingStdin(bytes_input, bytes_output) + ) + + sys.stdin = text_input = _NamedTextIOWrapper( + bytes_input, encoding=self.charset, name="", mode="r" + ) + + if self.echo_stdin: + # Force unbuffered reads, otherwise TextIOWrapper reads a + # large chunk which is echoed early. + text_input._CHUNK_SIZE = 1 # type: ignore + + sys.stdout = _NamedTextIOWrapper( + bytes_output, encoding=self.charset, name="", mode="w" + ) + + bytes_error = None + if self.mix_stderr: + sys.stderr = sys.stdout + else: + bytes_error = io.BytesIO() + sys.stderr = _NamedTextIOWrapper( + bytes_error, + encoding=self.charset, + name="", + mode="w", + errors="backslashreplace", + ) + + @_pause_echo(echo_input) # type: ignore + def visible_input(prompt: t.Optional[str] = None) -> str: + sys.stdout.write(prompt or "") + val = text_input.readline().rstrip("\r\n") + sys.stdout.write(f"{val}\n") + sys.stdout.flush() + return val + + @_pause_echo(echo_input) # type: ignore + def hidden_input(prompt: t.Optional[str] = None) -> str: + sys.stdout.write(f"{prompt or ''}\n") + sys.stdout.flush() + return text_input.readline().rstrip("\r\n") + + @_pause_echo(echo_input) # type: ignore + def _getchar(echo: bool) -> str: + char = sys.stdin.read(1) + + if echo: + sys.stdout.write(char) + + sys.stdout.flush() + return char + + default_color = color + + def should_strip_ansi( + stream: t.Optional[t.IO] = None, color: t.Optional[bool] = None + ) -> bool: + if color is None: + return not default_color + return not color + + old_visible_prompt_func = termui.visible_prompt_func + old_hidden_prompt_func = termui.hidden_prompt_func + old__getchar_func = termui._getchar + old_should_strip_ansi = utils.should_strip_ansi # type: ignore + termui.visible_prompt_func = visible_input + termui.hidden_prompt_func = hidden_input + termui._getchar = _getchar + utils.should_strip_ansi = should_strip_ansi # type: ignore + + old_env = {} + try: + for key, value in env.items(): + old_env[key] = os.environ.get(key) + if value is None: + try: + del os.environ[key] + except Exception: + pass + else: + os.environ[key] = value + yield (bytes_output, bytes_error) + finally: + for key, value in old_env.items(): + if value is None: + try: + del os.environ[key] + except Exception: + pass + else: + os.environ[key] = value + sys.stdout = old_stdout + sys.stderr = old_stderr + sys.stdin = old_stdin + termui.visible_prompt_func = old_visible_prompt_func + termui.hidden_prompt_func = old_hidden_prompt_func + termui._getchar = old__getchar_func + utils.should_strip_ansi = old_should_strip_ansi # type: ignore + formatting.FORCED_WIDTH = old_forced_width + + def invoke( + self, + cli: "BaseCommand", + args: t.Optional[t.Union[str, t.Sequence[str]]] = None, + input: t.Optional[t.Union[str, bytes, t.IO]] = None, + env: t.Optional[t.Mapping[str, t.Optional[str]]] = None, + catch_exceptions: bool = True, + color: bool = False, + **extra: t.Any, + ) -> Result: + """Invokes a command in an isolated environment. The arguments are + forwarded directly to the command line script, the `extra` keyword + arguments are passed to the :meth:`~clickpkg.Command.main` function of + the command. + + This returns a :class:`Result` object. + + :param cli: the command to invoke + :param args: the arguments to invoke. It may be given as an iterable + or a string. When given as string it will be interpreted + as a Unix shell command. More details at + :func:`shlex.split`. + :param input: the input data for `sys.stdin`. + :param env: the environment overrides. + :param catch_exceptions: Whether to catch any other exceptions than + ``SystemExit``. + :param extra: the keyword arguments to pass to :meth:`main`. + :param color: whether the output should contain color codes. The + application can still override this explicitly. + + .. versionchanged:: 8.0 + The result object has the ``return_value`` attribute with + the value returned from the invoked command. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + + .. versionchanged:: 3.0 + Added the ``catch_exceptions`` parameter. + + .. versionchanged:: 3.0 + The result object has the ``exc_info`` attribute with the + traceback if available. + """ + exc_info = None + with self.isolation(input=input, env=env, color=color) as outstreams: + return_value = None + exception: t.Optional[BaseException] = None + exit_code = 0 + + if isinstance(args, str): + args = shlex.split(args) + + try: + prog_name = extra.pop("prog_name") + except KeyError: + prog_name = self.get_default_prog_name(cli) + + try: + return_value = cli.main(args=args or (), prog_name=prog_name, **extra) + except SystemExit as e: + exc_info = sys.exc_info() + e_code = t.cast(t.Optional[t.Union[int, t.Any]], e.code) + + if e_code is None: + e_code = 0 + + if e_code != 0: + exception = e + + if not isinstance(e_code, int): + sys.stdout.write(str(e_code)) + sys.stdout.write("\n") + e_code = 1 + + exit_code = e_code + + except Exception as e: + if not catch_exceptions: + raise + exception = e + exit_code = 1 + exc_info = sys.exc_info() + finally: + sys.stdout.flush() + stdout = outstreams[0].getvalue() + if self.mix_stderr: + stderr = None + else: + stderr = outstreams[1].getvalue() # type: ignore + + return Result( + runner=self, + stdout_bytes=stdout, + stderr_bytes=stderr, + return_value=return_value, + exit_code=exit_code, + exception=exception, + exc_info=exc_info, # type: ignore + ) + + @contextlib.contextmanager + def isolated_filesystem( + self, temp_dir: t.Optional[t.Union[str, os.PathLike]] = None + ) -> t.Iterator[str]: + """A context manager that creates a temporary directory and + changes the current working directory to it. This isolates tests + that affect the contents of the CWD to prevent them from + interfering with each other. + + :param temp_dir: Create the temporary directory under this + directory. If given, the created directory is not removed + when exiting. + + .. versionchanged:: 8.0 + Added the ``temp_dir`` parameter. + """ + cwd = os.getcwd() + t = tempfile.mkdtemp(dir=temp_dir) + os.chdir(t) + + try: + yield t + finally: + os.chdir(cwd) + + if temp_dir is None: + try: + shutil.rmtree(t) + except OSError: # noqa: B014 + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/click/types.py b/backend/mb-env/lib/python3.9/site-packages/click/types.py new file mode 100644 index 0000000..21f0e4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/types.py @@ -0,0 +1,1052 @@ +import os +import stat +import typing as t +from datetime import datetime +from gettext import gettext as _ +from gettext import ngettext + +from ._compat import _get_argv_encoding +from ._compat import get_filesystem_encoding +from ._compat import open_stream +from .exceptions import BadParameter +from .utils import LazyFile +from .utils import safecall + +if t.TYPE_CHECKING: + import typing_extensions as te + from .core import Context + from .core import Parameter + from .shell_completion import CompletionItem + + +class ParamType: + """Represents the type of a parameter. Validates and converts values + from the command line or Python into the correct type. + + To implement a custom type, subclass and implement at least the + following: + + - The :attr:`name` class attribute must be set. + - Calling an instance of the type with ``None`` must return + ``None``. This is already implemented by default. + - :meth:`convert` must convert string values to the correct type. + - :meth:`convert` must accept values that are already the correct + type. + - It must be able to convert a value if the ``ctx`` and ``param`` + arguments are ``None``. This can occur when converting prompt + input. + """ + + is_composite: t.ClassVar[bool] = False + arity: t.ClassVar[int] = 1 + + #: the descriptive name of this type + name: str + + #: if a list of this type is expected and the value is pulled from a + #: string environment variable, this is what splits it up. `None` + #: means any whitespace. For all parameters the general rule is that + #: whitespace splits them up. The exception are paths and files which + #: are split by ``os.path.pathsep`` by default (":" on Unix and ";" on + #: Windows). + envvar_list_splitter: t.ClassVar[t.Optional[str]] = None + + def to_info_dict(self) -> t.Dict[str, t.Any]: + """Gather information that could be useful for a tool generating + user-facing documentation. + + Use :meth:`click.Context.to_info_dict` to traverse the entire + CLI structure. + + .. versionadded:: 8.0 + """ + # The class name without the "ParamType" suffix. + param_type = type(self).__name__.partition("ParamType")[0] + param_type = param_type.partition("ParameterType")[0] + return {"param_type": param_type, "name": self.name} + + def __call__( + self, + value: t.Any, + param: t.Optional["Parameter"] = None, + ctx: t.Optional["Context"] = None, + ) -> t.Any: + if value is not None: + return self.convert(value, param, ctx) + + def get_metavar(self, param: "Parameter") -> t.Optional[str]: + """Returns the metavar default for this param if it provides one.""" + + def get_missing_message(self, param: "Parameter") -> t.Optional[str]: + """Optionally might return extra information about a missing + parameter. + + .. versionadded:: 2.0 + """ + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + """Convert the value to the correct type. This is not called if + the value is ``None`` (the missing value). + + This must accept string values from the command line, as well as + values that are already the correct type. It may also convert + other compatible types. + + The ``param`` and ``ctx`` arguments may be ``None`` in certain + situations, such as when converting prompt input. + + If the value cannot be converted, call :meth:`fail` with a + descriptive message. + + :param value: The value to convert. + :param param: The parameter that is using this type to convert + its value. May be ``None``. + :param ctx: The current context that arrived at this value. May + be ``None``. + """ + return value + + def split_envvar_value(self, rv: str) -> t.Sequence[str]: + """Given a value from an environment variable this splits it up + into small chunks depending on the defined envvar list splitter. + + If the splitter is set to `None`, which means that whitespace splits, + then leading and trailing whitespace is ignored. Otherwise, leading + and trailing splitters usually lead to empty items being included. + """ + return (rv or "").split(self.envvar_list_splitter) + + def fail( + self, + message: str, + param: t.Optional["Parameter"] = None, + ctx: t.Optional["Context"] = None, + ) -> "t.NoReturn": + """Helper method to fail with an invalid value message.""" + raise BadParameter(message, ctx=ctx, param=param) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a list of + :class:`~click.shell_completion.CompletionItem` objects for the + incomplete value. Most types do not provide completions, but + some do, and this allows custom types to provide custom + completions as well. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + return [] + + +class CompositeParamType(ParamType): + is_composite = True + + @property + def arity(self) -> int: # type: ignore + raise NotImplementedError() + + +class FuncParamType(ParamType): + def __init__(self, func: t.Callable[[t.Any], t.Any]) -> None: + self.name = func.__name__ + self.func = func + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["func"] = self.func + return info_dict + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + try: + return self.func(value) + except ValueError: + try: + value = str(value) + except UnicodeError: + value = value.decode("utf-8", "replace") + + self.fail(value, param, ctx) + + +class UnprocessedParamType(ParamType): + name = "text" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + return value + + def __repr__(self) -> str: + return "UNPROCESSED" + + +class StringParamType(ParamType): + name = "text" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if isinstance(value, bytes): + enc = _get_argv_encoding() + try: + value = value.decode(enc) + except UnicodeError: + fs_enc = get_filesystem_encoding() + if fs_enc != enc: + try: + value = value.decode(fs_enc) + except UnicodeError: + value = value.decode("utf-8", "replace") + else: + value = value.decode("utf-8", "replace") + return value + return str(value) + + def __repr__(self) -> str: + return "STRING" + + +class Choice(ParamType): + """The choice type allows a value to be checked against a fixed set + of supported values. All of these values have to be strings. + + You should only pass a list or tuple of choices. Other iterables + (like generators) may lead to surprising results. + + The resulting value will always be one of the originally passed choices + regardless of ``case_sensitive`` or any ``ctx.token_normalize_func`` + being specified. + + See :ref:`choice-opts` for an example. + + :param case_sensitive: Set to false to make choices case + insensitive. Defaults to true. + """ + + name = "choice" + + def __init__(self, choices: t.Sequence[str], case_sensitive: bool = True) -> None: + self.choices = choices + self.case_sensitive = case_sensitive + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["choices"] = self.choices + info_dict["case_sensitive"] = self.case_sensitive + return info_dict + + def get_metavar(self, param: "Parameter") -> str: + choices_str = "|".join(self.choices) + + # Use curly braces to indicate a required argument. + if param.required and param.param_type_name == "argument": + return f"{{{choices_str}}}" + + # Use square braces to indicate an option or optional argument. + return f"[{choices_str}]" + + def get_missing_message(self, param: "Parameter") -> str: + return _("Choose from:\n\t{choices}").format(choices=",\n\t".join(self.choices)) + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + # Match through normalization and case sensitivity + # first do token_normalize_func, then lowercase + # preserve original `value` to produce an accurate message in + # `self.fail` + normed_value = value + normed_choices = {choice: choice for choice in self.choices} + + if ctx is not None and ctx.token_normalize_func is not None: + normed_value = ctx.token_normalize_func(value) + normed_choices = { + ctx.token_normalize_func(normed_choice): original + for normed_choice, original in normed_choices.items() + } + + if not self.case_sensitive: + normed_value = normed_value.casefold() + normed_choices = { + normed_choice.casefold(): original + for normed_choice, original in normed_choices.items() + } + + if normed_value in normed_choices: + return normed_choices[normed_value] + + choices_str = ", ".join(map(repr, self.choices)) + self.fail( + ngettext( + "{value!r} is not {choice}.", + "{value!r} is not one of {choices}.", + len(self.choices), + ).format(value=value, choice=choices_str, choices=choices_str), + param, + ctx, + ) + + def __repr__(self) -> str: + return f"Choice({list(self.choices)})" + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Complete choices that start with the incomplete value. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + str_choices = map(str, self.choices) + + if self.case_sensitive: + matched = (c for c in str_choices if c.startswith(incomplete)) + else: + incomplete = incomplete.lower() + matched = (c for c in str_choices if c.lower().startswith(incomplete)) + + return [CompletionItem(c) for c in matched] + + +class DateTime(ParamType): + """The DateTime type converts date strings into `datetime` objects. + + The format strings which are checked are configurable, but default to some + common (non-timezone aware) ISO 8601 formats. + + When specifying *DateTime* formats, you should only pass a list or a tuple. + Other iterables, like generators, may lead to surprising results. + + The format strings are processed using ``datetime.strptime``, and this + consequently defines the format strings which are allowed. + + Parsing is tried using each format, in order, and the first format which + parses successfully is used. + + :param formats: A list or tuple of date format strings, in the order in + which they should be tried. Defaults to + ``'%Y-%m-%d'``, ``'%Y-%m-%dT%H:%M:%S'``, + ``'%Y-%m-%d %H:%M:%S'``. + """ + + name = "datetime" + + def __init__(self, formats: t.Optional[t.Sequence[str]] = None): + self.formats = formats or ["%Y-%m-%d", "%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M:%S"] + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["formats"] = self.formats + return info_dict + + def get_metavar(self, param: "Parameter") -> str: + return f"[{'|'.join(self.formats)}]" + + def _try_to_convert_date(self, value: t.Any, format: str) -> t.Optional[datetime]: + try: + return datetime.strptime(value, format) + except ValueError: + return None + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if isinstance(value, datetime): + return value + + for format in self.formats: + converted = self._try_to_convert_date(value, format) + + if converted is not None: + return converted + + formats_str = ", ".join(map(repr, self.formats)) + self.fail( + ngettext( + "{value!r} does not match the format {format}.", + "{value!r} does not match the formats {formats}.", + len(self.formats), + ).format(value=value, format=formats_str, formats=formats_str), + param, + ctx, + ) + + def __repr__(self) -> str: + return "DateTime" + + +class _NumberParamTypeBase(ParamType): + _number_class: t.ClassVar[t.Type] + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + try: + return self._number_class(value) + except ValueError: + self.fail( + _("{value!r} is not a valid {number_type}.").format( + value=value, number_type=self.name + ), + param, + ctx, + ) + + +class _NumberRangeBase(_NumberParamTypeBase): + def __init__( + self, + min: t.Optional[float] = None, + max: t.Optional[float] = None, + min_open: bool = False, + max_open: bool = False, + clamp: bool = False, + ) -> None: + self.min = min + self.max = max + self.min_open = min_open + self.max_open = max_open + self.clamp = clamp + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + min=self.min, + max=self.max, + min_open=self.min_open, + max_open=self.max_open, + clamp=self.clamp, + ) + return info_dict + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + import operator + + rv = super().convert(value, param, ctx) + lt_min: bool = self.min is not None and ( + operator.le if self.min_open else operator.lt + )(rv, self.min) + gt_max: bool = self.max is not None and ( + operator.ge if self.max_open else operator.gt + )(rv, self.max) + + if self.clamp: + if lt_min: + return self._clamp(self.min, 1, self.min_open) # type: ignore + + if gt_max: + return self._clamp(self.max, -1, self.max_open) # type: ignore + + if lt_min or gt_max: + self.fail( + _("{value} is not in the range {range}.").format( + value=rv, range=self._describe_range() + ), + param, + ctx, + ) + + return rv + + def _clamp(self, bound: float, dir: "te.Literal[1, -1]", open: bool) -> float: + """Find the valid value to clamp to bound in the given + direction. + + :param bound: The boundary value. + :param dir: 1 or -1 indicating the direction to move. + :param open: If true, the range does not include the bound. + """ + raise NotImplementedError + + def _describe_range(self) -> str: + """Describe the range for use in help text.""" + if self.min is None: + op = "<" if self.max_open else "<=" + return f"x{op}{self.max}" + + if self.max is None: + op = ">" if self.min_open else ">=" + return f"x{op}{self.min}" + + lop = "<" if self.min_open else "<=" + rop = "<" if self.max_open else "<=" + return f"{self.min}{lop}x{rop}{self.max}" + + def __repr__(self) -> str: + clamp = " clamped" if self.clamp else "" + return f"<{type(self).__name__} {self._describe_range()}{clamp}>" + + +class IntParamType(_NumberParamTypeBase): + name = "integer" + _number_class = int + + def __repr__(self) -> str: + return "INT" + + +class IntRange(_NumberRangeBase, IntParamType): + """Restrict an :data:`click.INT` value to a range of accepted + values. See :ref:`ranges`. + + If ``min`` or ``max`` are not passed, any value is accepted in that + direction. If ``min_open`` or ``max_open`` are enabled, the + corresponding boundary is not included in the range. + + If ``clamp`` is enabled, a value outside the range is clamped to the + boundary instead of failing. + + .. versionchanged:: 8.0 + Added the ``min_open`` and ``max_open`` parameters. + """ + + name = "integer range" + + def _clamp( # type: ignore + self, bound: int, dir: "te.Literal[1, -1]", open: bool + ) -> int: + if not open: + return bound + + return bound + dir + + +class FloatParamType(_NumberParamTypeBase): + name = "float" + _number_class = float + + def __repr__(self) -> str: + return "FLOAT" + + +class FloatRange(_NumberRangeBase, FloatParamType): + """Restrict a :data:`click.FLOAT` value to a range of accepted + values. See :ref:`ranges`. + + If ``min`` or ``max`` are not passed, any value is accepted in that + direction. If ``min_open`` or ``max_open`` are enabled, the + corresponding boundary is not included in the range. + + If ``clamp`` is enabled, a value outside the range is clamped to the + boundary instead of failing. This is not supported if either + boundary is marked ``open``. + + .. versionchanged:: 8.0 + Added the ``min_open`` and ``max_open`` parameters. + """ + + name = "float range" + + def __init__( + self, + min: t.Optional[float] = None, + max: t.Optional[float] = None, + min_open: bool = False, + max_open: bool = False, + clamp: bool = False, + ) -> None: + super().__init__( + min=min, max=max, min_open=min_open, max_open=max_open, clamp=clamp + ) + + if (min_open or max_open) and clamp: + raise TypeError("Clamping is not supported for open bounds.") + + def _clamp(self, bound: float, dir: "te.Literal[1, -1]", open: bool) -> float: + if not open: + return bound + + # Could use Python 3.9's math.nextafter here, but clamping an + # open float range doesn't seem to be particularly useful. It's + # left up to the user to write a callback to do it if needed. + raise RuntimeError("Clamping is not supported for open bounds.") + + +class BoolParamType(ParamType): + name = "boolean" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + if value in {False, True}: + return bool(value) + + norm = value.strip().lower() + + if norm in {"1", "true", "t", "yes", "y", "on"}: + return True + + if norm in {"0", "false", "f", "no", "n", "off"}: + return False + + self.fail( + _("{value!r} is not a valid boolean.").format(value=value), param, ctx + ) + + def __repr__(self) -> str: + return "BOOL" + + +class UUIDParameterType(ParamType): + name = "uuid" + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + import uuid + + if isinstance(value, uuid.UUID): + return value + + value = value.strip() + + try: + return uuid.UUID(value) + except ValueError: + self.fail( + _("{value!r} is not a valid UUID.").format(value=value), param, ctx + ) + + def __repr__(self) -> str: + return "UUID" + + +class File(ParamType): + """Declares a parameter to be a file for reading or writing. The file + is automatically closed once the context tears down (after the command + finished working). + + Files can be opened for reading or writing. The special value ``-`` + indicates stdin or stdout depending on the mode. + + By default, the file is opened for reading text data, but it can also be + opened in binary mode or for writing. The encoding parameter can be used + to force a specific encoding. + + The `lazy` flag controls if the file should be opened immediately or upon + first IO. The default is to be non-lazy for standard input and output + streams as well as files opened for reading, `lazy` otherwise. When opening a + file lazily for reading, it is still opened temporarily for validation, but + will not be held open until first IO. lazy is mainly useful when opening + for writing to avoid creating the file until it is needed. + + Starting with Click 2.0, files can also be opened atomically in which + case all writes go into a separate file in the same folder and upon + completion the file will be moved over to the original location. This + is useful if a file regularly read by other users is modified. + + See :ref:`file-args` for more information. + """ + + name = "filename" + envvar_list_splitter = os.path.pathsep + + def __init__( + self, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + lazy: t.Optional[bool] = None, + atomic: bool = False, + ) -> None: + self.mode = mode + self.encoding = encoding + self.errors = errors + self.lazy = lazy + self.atomic = atomic + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update(mode=self.mode, encoding=self.encoding) + return info_dict + + def resolve_lazy_flag(self, value: t.Any) -> bool: + if self.lazy is not None: + return self.lazy + if value == "-": + return False + elif "w" in self.mode: + return True + return False + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + try: + if hasattr(value, "read") or hasattr(value, "write"): + return value + + lazy = self.resolve_lazy_flag(value) + + if lazy: + f: t.IO = t.cast( + t.IO, + LazyFile( + value, self.mode, self.encoding, self.errors, atomic=self.atomic + ), + ) + + if ctx is not None: + ctx.call_on_close(f.close_intelligently) # type: ignore + + return f + + f, should_close = open_stream( + value, self.mode, self.encoding, self.errors, atomic=self.atomic + ) + + # If a context is provided, we automatically close the file + # at the end of the context execution (or flush out). If a + # context does not exist, it's the caller's responsibility to + # properly close the file. This for instance happens when the + # type is used with prompts. + if ctx is not None: + if should_close: + ctx.call_on_close(safecall(f.close)) + else: + ctx.call_on_close(safecall(f.flush)) + + return f + except OSError as e: # noqa: B014 + self.fail(f"{os.fsdecode(value)!r}: {e.strerror}", param, ctx) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a special completion marker that tells the completion + system to use the shell to provide file path completions. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + return [CompletionItem(incomplete, type="file")] + + +class Path(ParamType): + """The path type is similar to the :class:`File` type but it performs + different checks. First of all, instead of returning an open file + handle it returns just the filename. Secondly, it can perform various + basic checks about what the file or directory should be. + + :param exists: if set to true, the file or directory needs to exist for + this value to be valid. If this is not required and a + file does indeed not exist, then all further checks are + silently skipped. + :param file_okay: controls if a file is a possible value. + :param dir_okay: controls if a directory is a possible value. + :param writable: if true, a writable check is performed. + :param readable: if true, a readable check is performed. + :param resolve_path: if this is true, then the path is fully resolved + before the value is passed onwards. This means + that it's absolute and symlinks are resolved. It + will not expand a tilde-prefix, as this is + supposed to be done by the shell only. + :param allow_dash: If this is set to `True`, a single dash to indicate + standard streams is permitted. + :param path_type: Convert the incoming path value to this type. If + ``None``, keep Python's default, which is ``str``. Useful to + convert to :class:`pathlib.Path`. + + .. versionchanged:: 8.0 + Allow passing ``type=pathlib.Path``. + + .. versionchanged:: 6.0 + Added the ``allow_dash`` parameter. + """ + + envvar_list_splitter = os.path.pathsep + + def __init__( + self, + exists: bool = False, + file_okay: bool = True, + dir_okay: bool = True, + writable: bool = False, + readable: bool = True, + resolve_path: bool = False, + allow_dash: bool = False, + path_type: t.Optional[t.Type] = None, + ): + self.exists = exists + self.file_okay = file_okay + self.dir_okay = dir_okay + self.writable = writable + self.readable = readable + self.resolve_path = resolve_path + self.allow_dash = allow_dash + self.type = path_type + + if self.file_okay and not self.dir_okay: + self.name = _("file") + elif self.dir_okay and not self.file_okay: + self.name = _("directory") + else: + self.name = _("path") + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict.update( + exists=self.exists, + file_okay=self.file_okay, + dir_okay=self.dir_okay, + writable=self.writable, + readable=self.readable, + allow_dash=self.allow_dash, + ) + return info_dict + + def coerce_path_result(self, rv: t.Any) -> t.Any: + if self.type is not None and not isinstance(rv, self.type): + if self.type is str: + rv = os.fsdecode(rv) + elif self.type is bytes: + rv = os.fsencode(rv) + else: + rv = self.type(rv) + + return rv + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + rv = value + + is_dash = self.file_okay and self.allow_dash and rv in (b"-", "-") + + if not is_dash: + if self.resolve_path: + # realpath on Windows Python < 3.8 doesn't resolve symlinks + if os.path.islink(rv): + rv = os.readlink(rv) + + rv = os.path.realpath(rv) + + try: + st = os.stat(rv) + except OSError: + if not self.exists: + return self.coerce_path_result(rv) + self.fail( + _("{name} {filename!r} does not exist.").format( + name=self.name.title(), filename=os.fsdecode(value) + ), + param, + ctx, + ) + + if not self.file_okay and stat.S_ISREG(st.st_mode): + self.fail( + _("{name} {filename!r} is a file.").format( + name=self.name.title(), filename=os.fsdecode(value) + ), + param, + ctx, + ) + if not self.dir_okay and stat.S_ISDIR(st.st_mode): + self.fail( + _("{name} {filename!r} is a directory.").format( + name=self.name.title(), filename=os.fsdecode(value) + ), + param, + ctx, + ) + if self.writable and not os.access(value, os.W_OK): + self.fail( + _("{name} {filename!r} is not writable.").format( + name=self.name.title(), filename=os.fsdecode(value) + ), + param, + ctx, + ) + if self.readable and not os.access(value, os.R_OK): + self.fail( + _("{name} {filename!r} is not readable.").format( + name=self.name.title(), filename=os.fsdecode(value) + ), + param, + ctx, + ) + + return self.coerce_path_result(rv) + + def shell_complete( + self, ctx: "Context", param: "Parameter", incomplete: str + ) -> t.List["CompletionItem"]: + """Return a special completion marker that tells the completion + system to use the shell to provide path completions for only + directories or any paths. + + :param ctx: Invocation context for this command. + :param param: The parameter that is requesting completion. + :param incomplete: Value being completed. May be empty. + + .. versionadded:: 8.0 + """ + from click.shell_completion import CompletionItem + + type = "dir" if self.dir_okay and not self.file_okay else "file" + return [CompletionItem(incomplete, type=type)] + + +class Tuple(CompositeParamType): + """The default behavior of Click is to apply a type on a value directly. + This works well in most cases, except for when `nargs` is set to a fixed + count and different types should be used for different items. In this + case the :class:`Tuple` type can be used. This type can only be used + if `nargs` is set to a fixed number. + + For more information see :ref:`tuple-type`. + + This can be selected by using a Python tuple literal as a type. + + :param types: a list of types that should be used for the tuple items. + """ + + def __init__(self, types: t.Sequence[t.Union[t.Type, ParamType]]) -> None: + self.types = [convert_type(ty) for ty in types] + + def to_info_dict(self) -> t.Dict[str, t.Any]: + info_dict = super().to_info_dict() + info_dict["types"] = [t.to_info_dict() for t in self.types] + return info_dict + + @property + def name(self) -> str: # type: ignore + return f"<{' '.join(ty.name for ty in self.types)}>" + + @property + def arity(self) -> int: # type: ignore + return len(self.types) + + def convert( + self, value: t.Any, param: t.Optional["Parameter"], ctx: t.Optional["Context"] + ) -> t.Any: + len_type = len(self.types) + len_value = len(value) + + if len_value != len_type: + self.fail( + ngettext( + "{len_type} values are required, but {len_value} was given.", + "{len_type} values are required, but {len_value} were given.", + len_value, + ).format(len_type=len_type, len_value=len_value), + param=param, + ctx=ctx, + ) + + return tuple(ty(x, param, ctx) for ty, x in zip(self.types, value)) + + +def convert_type(ty: t.Optional[t.Any], default: t.Optional[t.Any] = None) -> ParamType: + """Find the most appropriate :class:`ParamType` for the given Python + type. If the type isn't provided, it can be inferred from a default + value. + """ + guessed_type = False + + if ty is None and default is not None: + if isinstance(default, (tuple, list)): + # If the default is empty, ty will remain None and will + # return STRING. + if default: + item = default[0] + + # A tuple of tuples needs to detect the inner types. + # Can't call convert recursively because that would + # incorrectly unwind the tuple to a single type. + if isinstance(item, (tuple, list)): + ty = tuple(map(type, item)) + else: + ty = type(item) + else: + ty = type(default) + + guessed_type = True + + if isinstance(ty, tuple): + return Tuple(ty) + + if isinstance(ty, ParamType): + return ty + + if ty is str or ty is None: + return STRING + + if ty is int: + return INT + + if ty is float: + return FLOAT + + if ty is bool: + return BOOL + + if guessed_type: + return STRING + + if __debug__: + try: + if issubclass(ty, ParamType): + raise AssertionError( + f"Attempted to use an uninstantiated parameter type ({ty})." + ) + except TypeError: + # ty is an instance (correct), so issubclass fails. + pass + + return FuncParamType(ty) + + +#: A dummy parameter type that just does nothing. From a user's +#: perspective this appears to just be the same as `STRING` but +#: internally no string conversion takes place if the input was bytes. +#: This is usually useful when working with file paths as they can +#: appear in bytes and unicode. +#: +#: For path related uses the :class:`Path` type is a better choice but +#: there are situations where an unprocessed type is useful which is why +#: it is is provided. +#: +#: .. versionadded:: 4.0 +UNPROCESSED = UnprocessedParamType() + +#: A unicode string parameter type which is the implicit default. This +#: can also be selected by using ``str`` as type. +STRING = StringParamType() + +#: An integer parameter. This can also be selected by using ``int`` as +#: type. +INT = IntParamType() + +#: A floating point value parameter. This can also be selected by using +#: ``float`` as type. +FLOAT = FloatParamType() + +#: A boolean parameter. This is the default for boolean flags. This can +#: also be selected by using ``bool`` as a type. +BOOL = BoolParamType() + +#: A UUID parameter. +UUID = UUIDParameterType() diff --git a/backend/mb-env/lib/python3.9/site-packages/click/utils.py b/backend/mb-env/lib/python3.9/site-packages/click/utils.py new file mode 100644 index 0000000..91a372d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/click/utils.py @@ -0,0 +1,579 @@ +import os +import sys +import typing as t +from functools import update_wrapper +from types import ModuleType + +from ._compat import _default_text_stderr +from ._compat import _default_text_stdout +from ._compat import _find_binary_writer +from ._compat import auto_wrap_for_ansi +from ._compat import binary_streams +from ._compat import get_filesystem_encoding +from ._compat import open_stream +from ._compat import should_strip_ansi +from ._compat import strip_ansi +from ._compat import text_streams +from ._compat import WIN +from .globals import resolve_color_default + +if t.TYPE_CHECKING: + import typing_extensions as te + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) + + +def _posixify(name: str) -> str: + return "-".join(name.split()).lower() + + +def safecall(func: F) -> F: + """Wraps a function so that it swallows exceptions.""" + + def wrapper(*args, **kwargs): # type: ignore + try: + return func(*args, **kwargs) + except Exception: + pass + + return update_wrapper(t.cast(F, wrapper), func) + + +def make_str(value: t.Any) -> str: + """Converts a value into a valid string.""" + if isinstance(value, bytes): + try: + return value.decode(get_filesystem_encoding()) + except UnicodeError: + return value.decode("utf-8", "replace") + return str(value) + + +def make_default_short_help(help: str, max_length: int = 45) -> str: + """Returns a condensed version of help string.""" + # Consider only the first paragraph. + paragraph_end = help.find("\n\n") + + if paragraph_end != -1: + help = help[:paragraph_end] + + # Collapse newlines, tabs, and spaces. + words = help.split() + + if not words: + return "" + + # The first paragraph started with a "no rewrap" marker, ignore it. + if words[0] == "\b": + words = words[1:] + + total_length = 0 + last_index = len(words) - 1 + + for i, word in enumerate(words): + total_length += len(word) + (i > 0) + + if total_length > max_length: # too long, truncate + break + + if word[-1] == ".": # sentence end, truncate without "..." + return " ".join(words[: i + 1]) + + if total_length == max_length and i != last_index: + break # not at sentence end, truncate with "..." + else: + return " ".join(words) # no truncation needed + + # Account for the length of the suffix. + total_length += len("...") + + # remove words until the length is short enough + while i > 0: + total_length -= len(words[i]) + (i > 0) + + if total_length <= max_length: + break + + i -= 1 + + return " ".join(words[:i]) + "..." + + +class LazyFile: + """A lazy file works like a regular file but it does not fully open + the file but it does perform some basic checks early to see if the + filename parameter does make sense. This is useful for safely opening + files for writing. + """ + + def __init__( + self, + filename: str, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + atomic: bool = False, + ): + self.name = filename + self.mode = mode + self.encoding = encoding + self.errors = errors + self.atomic = atomic + self._f: t.Optional[t.IO] + + if filename == "-": + self._f, self.should_close = open_stream(filename, mode, encoding, errors) + else: + if "r" in mode: + # Open and close the file in case we're opening it for + # reading so that we can catch at least some errors in + # some cases early. + open(filename, mode).close() + self._f = None + self.should_close = True + + def __getattr__(self, name: str) -> t.Any: + return getattr(self.open(), name) + + def __repr__(self) -> str: + if self._f is not None: + return repr(self._f) + return f"" + + def open(self) -> t.IO: + """Opens the file if it's not yet open. This call might fail with + a :exc:`FileError`. Not handling this error will produce an error + that Click shows. + """ + if self._f is not None: + return self._f + try: + rv, self.should_close = open_stream( + self.name, self.mode, self.encoding, self.errors, atomic=self.atomic + ) + except OSError as e: # noqa: E402 + from .exceptions import FileError + + raise FileError(self.name, hint=e.strerror) + self._f = rv + return rv + + def close(self) -> None: + """Closes the underlying file, no matter what.""" + if self._f is not None: + self._f.close() + + def close_intelligently(self) -> None: + """This function only closes the file if it was opened by the lazy + file wrapper. For instance this will never close stdin. + """ + if self.should_close: + self.close() + + def __enter__(self) -> "LazyFile": + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + self.close_intelligently() + + def __iter__(self) -> t.Iterator[t.AnyStr]: + self.open() + return iter(self._f) # type: ignore + + +class KeepOpenFile: + def __init__(self, file: t.IO) -> None: + self._file = file + + def __getattr__(self, name: str) -> t.Any: + return getattr(self._file, name) + + def __enter__(self) -> "KeepOpenFile": + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + pass + + def __repr__(self) -> str: + return repr(self._file) + + def __iter__(self) -> t.Iterator[t.AnyStr]: + return iter(self._file) + + +def echo( + message: t.Optional[t.Any] = None, + file: t.Optional[t.IO] = None, + nl: bool = True, + err: bool = False, + color: t.Optional[bool] = None, +) -> None: + """Print a message and newline to stdout or a file. This should be + used instead of :func:`print` because it provides better support + for different data, files, and environments. + + Compared to :func:`print`, this does the following: + + - Ensures that the output encoding is not misconfigured on Linux. + - Supports Unicode in the Windows console. + - Supports writing to binary outputs, and supports writing bytes + to text outputs. + - Supports colors and styles on Windows. + - Removes ANSI color and style codes if the output does not look + like an interactive terminal. + - Always flushes the output. + + :param message: The string or bytes to output. Other objects are + converted to strings. + :param file: The file to write to. Defaults to ``stdout``. + :param err: Write to ``stderr`` instead of ``stdout``. + :param nl: Print a newline after the message. Enabled by default. + :param color: Force showing or hiding colors and other styles. By + default Click will remove color if the output does not look like + an interactive terminal. + + .. versionchanged:: 6.0 + Support Unicode output on the Windows console. Click does not + modify ``sys.stdout``, so ``sys.stdout.write()`` and ``print()`` + will still not support Unicode. + + .. versionchanged:: 4.0 + Added the ``color`` parameter. + + .. versionadded:: 3.0 + Added the ``err`` parameter. + + .. versionchanged:: 2.0 + Support colors on Windows if colorama is installed. + """ + if file is None: + if err: + file = _default_text_stderr() + else: + file = _default_text_stdout() + + # Convert non bytes/text into the native string type. + if message is not None and not isinstance(message, (str, bytes, bytearray)): + out: t.Optional[t.Union[str, bytes]] = str(message) + else: + out = message + + if nl: + out = out or "" + if isinstance(out, str): + out += "\n" + else: + out += b"\n" + + if not out: + file.flush() + return + + # If there is a message and the value looks like bytes, we manually + # need to find the binary stream and write the message in there. + # This is done separately so that most stream types will work as you + # would expect. Eg: you can write to StringIO for other cases. + if isinstance(out, (bytes, bytearray)): + binary_file = _find_binary_writer(file) + + if binary_file is not None: + file.flush() + binary_file.write(out) + binary_file.flush() + return + + # ANSI style code support. For no message or bytes, nothing happens. + # When outputting to a file instead of a terminal, strip codes. + else: + color = resolve_color_default(color) + + if should_strip_ansi(file, color): + out = strip_ansi(out) + elif WIN: + if auto_wrap_for_ansi is not None: + file = auto_wrap_for_ansi(file) # type: ignore + elif not color: + out = strip_ansi(out) + + file.write(out) # type: ignore + file.flush() + + +def get_binary_stream(name: "te.Literal['stdin', 'stdout', 'stderr']") -> t.BinaryIO: + """Returns a system stream for byte processing. + + :param name: the name of the stream to open. Valid names are ``'stdin'``, + ``'stdout'`` and ``'stderr'`` + """ + opener = binary_streams.get(name) + if opener is None: + raise TypeError(f"Unknown standard stream '{name}'") + return opener() + + +def get_text_stream( + name: "te.Literal['stdin', 'stdout', 'stderr']", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", +) -> t.TextIO: + """Returns a system stream for text processing. This usually returns + a wrapped stream around a binary stream returned from + :func:`get_binary_stream` but it also can take shortcuts for already + correctly configured streams. + + :param name: the name of the stream to open. Valid names are ``'stdin'``, + ``'stdout'`` and ``'stderr'`` + :param encoding: overrides the detected default encoding. + :param errors: overrides the default error mode. + """ + opener = text_streams.get(name) + if opener is None: + raise TypeError(f"Unknown standard stream '{name}'") + return opener(encoding, errors) + + +def open_file( + filename: str, + mode: str = "r", + encoding: t.Optional[str] = None, + errors: t.Optional[str] = "strict", + lazy: bool = False, + atomic: bool = False, +) -> t.IO: + """This is similar to how the :class:`File` works but for manual + usage. Files are opened non lazy by default. This can open regular + files as well as stdin/stdout if ``'-'`` is passed. + + If stdin/stdout is returned the stream is wrapped so that the context + manager will not close the stream accidentally. This makes it possible + to always use the function like this without having to worry to + accidentally close a standard stream:: + + with open_file(filename) as f: + ... + + .. versionadded:: 3.0 + + :param filename: the name of the file to open (or ``'-'`` for stdin/stdout). + :param mode: the mode in which to open the file. + :param encoding: the encoding to use. + :param errors: the error handling for this file. + :param lazy: can be flipped to true to open the file lazily. + :param atomic: in atomic mode writes go into a temporary file and it's + moved on close. + """ + if lazy: + return t.cast(t.IO, LazyFile(filename, mode, encoding, errors, atomic=atomic)) + f, should_close = open_stream(filename, mode, encoding, errors, atomic=atomic) + if not should_close: + f = t.cast(t.IO, KeepOpenFile(f)) + return f + + +def get_os_args() -> t.Sequence[str]: + """Returns the argument part of ``sys.argv``, removing the first + value which is the name of the script. + + .. deprecated:: 8.0 + Will be removed in Click 8.1. Access ``sys.argv[1:]`` directly + instead. + """ + import warnings + + warnings.warn( + "'get_os_args' is deprecated and will be removed in Click 8.1." + " Access 'sys.argv[1:]' directly instead.", + DeprecationWarning, + stacklevel=2, + ) + return sys.argv[1:] + + +def format_filename( + filename: t.Union[str, bytes, os.PathLike], shorten: bool = False +) -> str: + """Formats a filename for user display. The main purpose of this + function is to ensure that the filename can be displayed at all. This + will decode the filename to unicode if necessary in a way that it will + not fail. Optionally, it can shorten the filename to not include the + full path to the filename. + + :param filename: formats a filename for UI display. This will also convert + the filename into unicode without failing. + :param shorten: this optionally shortens the filename to strip of the + path that leads up to it. + """ + if shorten: + filename = os.path.basename(filename) + + return os.fsdecode(filename) + + +def get_app_dir(app_name: str, roaming: bool = True, force_posix: bool = False) -> str: + r"""Returns the config folder for the application. The default behavior + is to return whatever is most appropriate for the operating system. + + To give you an idea, for an app called ``"Foo Bar"``, something like + the following folders could be returned: + + Mac OS X: + ``~/Library/Application Support/Foo Bar`` + Mac OS X (POSIX): + ``~/.foo-bar`` + Unix: + ``~/.config/foo-bar`` + Unix (POSIX): + ``~/.foo-bar`` + Windows (roaming): + ``C:\Users\\AppData\Roaming\Foo Bar`` + Windows (not roaming): + ``C:\Users\\AppData\Local\Foo Bar`` + + .. versionadded:: 2.0 + + :param app_name: the application name. This should be properly capitalized + and can contain whitespace. + :param roaming: controls if the folder should be roaming or not on Windows. + Has no affect otherwise. + :param force_posix: if this is set to `True` then on any POSIX system the + folder will be stored in the home folder with a leading + dot instead of the XDG config home or darwin's + application support folder. + """ + if WIN: + key = "APPDATA" if roaming else "LOCALAPPDATA" + folder = os.environ.get(key) + if folder is None: + folder = os.path.expanduser("~") + return os.path.join(folder, app_name) + if force_posix: + return os.path.join(os.path.expanduser(f"~/.{_posixify(app_name)}")) + if sys.platform == "darwin": + return os.path.join( + os.path.expanduser("~/Library/Application Support"), app_name + ) + return os.path.join( + os.environ.get("XDG_CONFIG_HOME", os.path.expanduser("~/.config")), + _posixify(app_name), + ) + + +class PacifyFlushWrapper: + """This wrapper is used to catch and suppress BrokenPipeErrors resulting + from ``.flush()`` being called on broken pipe during the shutdown/final-GC + of the Python interpreter. Notably ``.flush()`` is always called on + ``sys.stdout`` and ``sys.stderr``. So as to have minimal impact on any + other cleanup code, and the case where the underlying file is not a broken + pipe, all calls and attributes are proxied. + """ + + def __init__(self, wrapped: t.IO) -> None: + self.wrapped = wrapped + + def flush(self) -> None: + try: + self.wrapped.flush() + except OSError as e: + import errno + + if e.errno != errno.EPIPE: + raise + + def __getattr__(self, attr: str) -> t.Any: + return getattr(self.wrapped, attr) + + +def _detect_program_name( + path: t.Optional[str] = None, _main: ModuleType = sys.modules["__main__"] +) -> str: + """Determine the command used to run the program, for use in help + text. If a file or entry point was executed, the file name is + returned. If ``python -m`` was used to execute a module or package, + ``python -m name`` is returned. + + This doesn't try to be too precise, the goal is to give a concise + name for help text. Files are only shown as their name without the + path. ``python`` is only shown for modules, and the full path to + ``sys.executable`` is not shown. + + :param path: The Python file being executed. Python puts this in + ``sys.argv[0]``, which is used by default. + :param _main: The ``__main__`` module. This should only be passed + during internal testing. + + .. versionadded:: 8.0 + Based on command args detection in the Werkzeug reloader. + + :meta private: + """ + if not path: + path = sys.argv[0] + + # The value of __package__ indicates how Python was called. It may + # not exist if a setuptools script is installed as an egg. It may be + # set incorrectly for entry points created with pip on Windows. + if getattr(_main, "__package__", None) is None or ( + os.name == "nt" + and _main.__package__ == "" + and not os.path.exists(path) + and os.path.exists(f"{path}.exe") + ): + # Executed a file, like "python app.py". + return os.path.basename(path) + + # Executed a module, like "python -m example". + # Rewritten by Python from "-m script" to "/path/to/script.py". + # Need to look at main module to determine how it was executed. + py_module = t.cast(str, _main.__package__) + name = os.path.splitext(os.path.basename(path))[0] + + # A submodule like "example.cli". + if name != "__main__": + py_module = f"{py_module}.{name}" + + return f"python -m {py_module.lstrip('.')}" + + +def _expand_args( + args: t.Iterable[str], + *, + user: bool = True, + env: bool = True, + glob_recursive: bool = True, +) -> t.List[str]: + """Simulate Unix shell expansion with Python functions. + + See :func:`glob.glob`, :func:`os.path.expanduser`, and + :func:`os.path.expandvars`. + + This intended for use on Windows, where the shell does not do any + expansion. It may not exactly match what a Unix shell would do. + + :param args: List of command line arguments to expand. + :param user: Expand user home directory. + :param env: Expand environment variables. + :param glob_recursive: ``**`` matches directories recursively. + + .. versionadded:: 8.0 + + :meta private: + """ + from glob import glob + + out = [] + + for arg in args: + if user: + arg = os.path.expanduser(arg) + + if env: + arg = os.path.expandvars(arg) + + matches = glob(arg, recursive=glob_recursive) + + if not matches: + out.append(arg) + else: + out.extend(matches) + + return out diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/LICENSE.txt b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/LICENSE.txt new file mode 100644 index 0000000..3105888 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/LICENSE.txt @@ -0,0 +1,27 @@ +Copyright (c) 2010 Jonathan Hartley +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of the copyright holders, nor those of its contributors + may be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/METADATA new file mode 100644 index 0000000..2a175c2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/METADATA @@ -0,0 +1,415 @@ +Metadata-Version: 2.1 +Name: colorama +Version: 0.4.4 +Summary: Cross-platform colored terminal text. +Home-page: https://github.com/tartley/colorama +Author: Jonathan Hartley +Author-email: tartley@tartley.com +Maintainer: Arnon Yaari +License: BSD +Keywords: color colour terminal text ansi windows crossplatform xplatform +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Console +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Classifier: Topic :: Terminals +Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.* + +.. image:: https://img.shields.io/pypi/v/colorama.svg + :target: https://pypi.org/project/colorama/ + :alt: Latest Version + +.. image:: https://img.shields.io/pypi/pyversions/colorama.svg + :target: https://pypi.org/project/colorama/ + :alt: Supported Python versions + +.. image:: https://travis-ci.org/tartley/colorama.svg?branch=master + :target: https://travis-ci.org/tartley/colorama + :alt: Build Status + +Colorama +======== + +Makes ANSI escape character sequences (for producing colored terminal text and +cursor positioning) work under MS Windows. + +.. |donate| image:: https://www.paypalobjects.com/en_US/i/btn/btn_donate_SM.gif + :target: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=2MZ9D2GMLYCUJ&item_name=Colorama¤cy_code=USD + :alt: Donate with Paypal + +`PyPI for releases `_ · +`Github for source `_ · +`Colorama for enterprise on Tidelift `_ + +If you find Colorama useful, please |donate| to the authors. Thank you! + + +Installation +------------ + +.. code-block:: bash + + pip install colorama + # or + conda install -c anaconda colorama + + +Description +----------- + +ANSI escape character sequences have long been used to produce colored terminal +text and cursor positioning on Unix and Macs. Colorama makes this work on +Windows, too, by wrapping ``stdout``, stripping ANSI sequences it finds (which +would appear as gobbledygook in the output), and converting them into the +appropriate win32 calls to modify the state of the terminal. On other platforms, +Colorama does nothing. + +This has the upshot of providing a simple cross-platform API for printing +colored terminal text from Python, and has the happy side-effect that existing +applications or libraries which use ANSI sequences to produce colored output on +Linux or Macs can now also work on Windows, simply by calling +``colorama.init()``. + +An alternative approach is to install ``ansi.sys`` on Windows machines, which +provides the same behaviour for all applications running in terminals. Colorama +is intended for situations where that isn't easy (e.g., maybe your app doesn't +have an installer.) + +Demo scripts in the source code repository print some colored text using +ANSI sequences. Compare their output under Gnome-terminal's built in ANSI +handling, versus on Windows Command-Prompt using Colorama: + +.. image:: https://github.com/tartley/colorama/raw/master/screenshots/ubuntu-demo.png + :width: 661 + :height: 357 + :alt: ANSI sequences on Ubuntu under gnome-terminal. + +.. image:: https://github.com/tartley/colorama/raw/master/screenshots/windows-demo.png + :width: 668 + :height: 325 + :alt: Same ANSI sequences on Windows, using Colorama. + +These screenshots show that, on Windows, Colorama does not support ANSI 'dim +text'; it looks the same as 'normal text'. + +Usage +----- + +Initialisation +.............. + +Applications should initialise Colorama using: + +.. code-block:: python + + from colorama import init + init() + +On Windows, calling ``init()`` will filter ANSI escape sequences out of any +text sent to ``stdout`` or ``stderr``, and replace them with equivalent Win32 +calls. + +On other platforms, calling ``init()`` has no effect (unless you request other +optional functionality; see "Init Keyword Args", below). By design, this permits +applications to call ``init()`` unconditionally on all platforms, after which +ANSI output should just work. + +To stop using Colorama before your program exits, simply call ``deinit()``. +This will restore ``stdout`` and ``stderr`` to their original values, so that +Colorama is disabled. To resume using Colorama again, call ``reinit()``; it is +cheaper than calling ``init()`` again (but does the same thing). + + +Colored Output +.............. + +Cross-platform printing of colored text can then be done using Colorama's +constant shorthand for ANSI escape sequences: + +.. code-block:: python + + from colorama import Fore, Back, Style + print(Fore.RED + 'some red text') + print(Back.GREEN + 'and with a green background') + print(Style.DIM + 'and in dim text') + print(Style.RESET_ALL) + print('back to normal now') + +...or simply by manually printing ANSI sequences from your own code: + +.. code-block:: python + + print('\033[31m' + 'some red text') + print('\033[39m') # and reset to default color + +...or, Colorama can be used in conjunction with existing ANSI libraries +such as the venerable `Termcolor `_ +or the fabulous `Blessings `_. +This is highly recommended for anything more than trivial coloring: + +.. code-block:: python + + from colorama import init + from termcolor import colored + + # use Colorama to make Termcolor work on Windows too + init() + + # then use Termcolor for all colored text output + print(colored('Hello, World!', 'green', 'on_red')) + +Available formatting constants are:: + + Fore: BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE, RESET. + Back: BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE, RESET. + Style: DIM, NORMAL, BRIGHT, RESET_ALL + +``Style.RESET_ALL`` resets foreground, background, and brightness. Colorama will +perform this reset automatically on program exit. + + +Cursor Positioning +.................. + +ANSI codes to reposition the cursor are supported. See ``demos/demo06.py`` for +an example of how to generate them. + + +Init Keyword Args +................. + +``init()`` accepts some ``**kwargs`` to override default behaviour. + +init(autoreset=False): + If you find yourself repeatedly sending reset sequences to turn off color + changes at the end of every print, then ``init(autoreset=True)`` will + automate that: + + .. code-block:: python + + from colorama import init + init(autoreset=True) + print(Fore.RED + 'some red text') + print('automatically back to default color again') + +init(strip=None): + Pass ``True`` or ``False`` to override whether ANSI codes should be + stripped from the output. The default behaviour is to strip if on Windows + or if output is redirected (not a tty). + +init(convert=None): + Pass ``True`` or ``False`` to override whether to convert ANSI codes in the + output into win32 calls. The default behaviour is to convert if on Windows + and output is to a tty (terminal). + +init(wrap=True): + On Windows, Colorama works by replacing ``sys.stdout`` and ``sys.stderr`` + with proxy objects, which override the ``.write()`` method to do their work. + If this wrapping causes you problems, then this can be disabled by passing + ``init(wrap=False)``. The default behaviour is to wrap if ``autoreset`` or + ``strip`` or ``convert`` are True. + + When wrapping is disabled, colored printing on non-Windows platforms will + continue to work as normal. To do cross-platform colored output, you can + use Colorama's ``AnsiToWin32`` proxy directly: + + .. code-block:: python + + import sys + from colorama import init, AnsiToWin32 + init(wrap=False) + stream = AnsiToWin32(sys.stderr).stream + + # Python 2 + print >>stream, Fore.BLUE + 'blue text on stderr' + + # Python 3 + print(Fore.BLUE + 'blue text on stderr', file=stream) + + +Recognised ANSI Sequences +......................... + +ANSI sequences generally take the form:: + + ESC [ ; ... + +Where ```` is an integer, and ```` is a single letter. Zero or +more params are passed to a ````. If no params are passed, it is +generally synonymous with passing a single zero. No spaces exist in the +sequence; they have been inserted here simply to read more easily. + +The only ANSI sequences that Colorama converts into win32 calls are:: + + ESC [ 0 m # reset all (colors and brightness) + ESC [ 1 m # bright + ESC [ 2 m # dim (looks same as normal brightness) + ESC [ 22 m # normal brightness + + # FOREGROUND: + ESC [ 30 m # black + ESC [ 31 m # red + ESC [ 32 m # green + ESC [ 33 m # yellow + ESC [ 34 m # blue + ESC [ 35 m # magenta + ESC [ 36 m # cyan + ESC [ 37 m # white + ESC [ 39 m # reset + + # BACKGROUND + ESC [ 40 m # black + ESC [ 41 m # red + ESC [ 42 m # green + ESC [ 43 m # yellow + ESC [ 44 m # blue + ESC [ 45 m # magenta + ESC [ 46 m # cyan + ESC [ 47 m # white + ESC [ 49 m # reset + + # cursor positioning + ESC [ y;x H # position cursor at x across, y down + ESC [ y;x f # position cursor at x across, y down + ESC [ n A # move cursor n lines up + ESC [ n B # move cursor n lines down + ESC [ n C # move cursor n characters forward + ESC [ n D # move cursor n characters backward + + # clear the screen + ESC [ mode J # clear the screen + + # clear the line + ESC [ mode K # clear the line + +Multiple numeric params to the ``'m'`` command can be combined into a single +sequence:: + + ESC [ 36 ; 45 ; 1 m # bright cyan text on magenta background + +All other ANSI sequences of the form ``ESC [ ; ... `` +are silently stripped from the output on Windows. + +Any other form of ANSI sequence, such as single-character codes or alternative +initial characters, are not recognised or stripped. It would be cool to add +them though. Let me know if it would be useful for you, via the Issues on +GitHub. + + +Status & Known Problems +----------------------- + +I've personally only tested it on Windows XP (CMD, Console2), Ubuntu +(gnome-terminal, xterm), and OS X. + +Some presumably valid ANSI sequences aren't recognised (see details below), +but to my knowledge nobody has yet complained about this. Puzzling. + +See outstanding issues and wish-list: +https://github.com/tartley/colorama/issues + +If anything doesn't work for you, or doesn't do what you expected or hoped for, +I'd love to hear about it on that issues list, would be delighted by patches, +and would be happy to grant commit access to anyone who submits a working patch +or two. + + +License +------- + +Copyright Jonathan Hartley & Arnon Yaari, 2013-2020. BSD 3-Clause license; see +LICENSE file. + + +Development +----------- + +Help and fixes welcome! + +Tested on CPython 2.7, 3.5, 3.6, 3.7 and 3.8. + +No requirements other than the standard library. +Development requirements are captured in requirements-dev.txt. + +To create and populate a virtual environment:: + + ./bootstrap.ps1 # Windows + make bootstrap # Linux + +To run tests:: + + ./test.ps1 # Windows + make test # Linux + +If you use nose to run the tests, you must pass the ``-s`` flag; otherwise, +``nosetests`` applies its own proxy to ``stdout``, which confuses the unit +tests. + + +Professional support +-------------------- + +.. |tideliftlogo| image:: https://cdn2.hubspot.net/hubfs/4008838/website/logos/logos_for_download/Tidelift_primary-shorthand-logo.png + :alt: Tidelift + :target: https://tidelift.com/subscription/pkg/pypi-colorama?utm_source=pypi-colorama&utm_medium=referral&utm_campaign=readme + +.. list-table:: + :widths: 10 100 + + * - |tideliftlogo| + - Professional support for colorama is available as part of the + `Tidelift Subscription`_. + Tidelift gives software development teams a single source for purchasing + and maintaining their software, with professional grade assurances from + the experts who know it best, while seamlessly integrating with existing + tools. + +.. _Tidelift Subscription: https://tidelift.com/subscription/pkg/pypi-colorama?utm_source=pypi-colorama&utm_medium=referral&utm_campaign=readme + + +Thanks +------ + +* Marc Schlaich (schlamar) for a ``setup.py`` fix for Python2.5. +* Marc Abramowitz, reported & fixed a crash on exit with closed ``stdout``, + providing a solution to issue #7's setuptools/distutils debate, + and other fixes. +* User 'eryksun', for guidance on correctly instantiating ``ctypes.windll``. +* Matthew McCormick for politely pointing out a longstanding crash on non-Win. +* Ben Hoyt, for a magnificent fix under 64-bit Windows. +* Jesse at Empty Square for submitting a fix for examples in the README. +* User 'jamessp', an observant documentation fix for cursor positioning. +* User 'vaal1239', Dave Mckee & Lackner Kristof for a tiny but much-needed Win7 + fix. +* Julien Stuyck, for wisely suggesting Python3 compatible updates to README. +* Daniel Griffith for multiple fabulous patches. +* Oscar Lesta for a valuable fix to stop ANSI chars being sent to non-tty + output. +* Roger Binns, for many suggestions, valuable feedback, & bug reports. +* Tim Golden for thought and much appreciated feedback on the initial idea. +* User 'Zearin' for updates to the README file. +* John Szakmeister for adding support for light colors +* Charles Merriam for adding documentation to demos +* Jurko for a fix on 64-bit Windows CPython2.5 w/o ctypes +* Florian Bruhin for a fix when stdout or stderr are None +* Thomas Weininger for fixing ValueError on Windows +* Remi Rampin for better Github integration and fixes to the README file +* Simeon Visser for closing a file handle using 'with' and updating classifiers + to include Python 3.3 and 3.4 +* Andy Neff for fixing RESET of LIGHT_EX colors. +* Jonathan Hartley for the initial idea and implementation. + + + diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/RECORD new file mode 100644 index 0000000..f7d3cf5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/RECORD @@ -0,0 +1,19 @@ +colorama-0.4.4.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +colorama-0.4.4.dist-info/LICENSE.txt,sha256=ysNcAmhuXQSlpxQL-zs25zrtSWZW6JEQLkKIhteTAxg,1491 +colorama-0.4.4.dist-info/METADATA,sha256=JmU7ePpEh1xcqZV0JKcrrlU7cp5o4InDlHJXbo_FTQw,14551 +colorama-0.4.4.dist-info/RECORD,, +colorama-0.4.4.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +colorama-0.4.4.dist-info/WHEEL,sha256=gxPaqcqKPLUXaSAKwmfHO7_iAOlVvmp33DewnUluBB8,116 +colorama-0.4.4.dist-info/top_level.txt,sha256=_Kx6-Cni2BT1PEATPhrSRxo0d7kSgfBbHf5o7IF1ABw,9 +colorama/__init__.py,sha256=pCdErryzLSzDW5P-rRPBlPLqbBtIRNJB6cMgoeJns5k,239 +colorama/__pycache__/__init__.cpython-39.pyc,, +colorama/__pycache__/ansi.cpython-39.pyc,, +colorama/__pycache__/ansitowin32.cpython-39.pyc,, +colorama/__pycache__/initialise.cpython-39.pyc,, +colorama/__pycache__/win32.cpython-39.pyc,, +colorama/__pycache__/winterm.cpython-39.pyc,, +colorama/ansi.py,sha256=Top4EeEuaQdBWdteKMEcGOTeKeF19Q-Wo_6_Cj5kOzQ,2522 +colorama/ansitowin32.py,sha256=yV7CEmCb19MjnJKODZEEvMH_fnbJhwnpzo4sxZuGXmA,10517 +colorama/initialise.py,sha256=PprovDNxMTrvoNHFcL2NZjpH2XzDc8BLxLxiErfUl4k,1915 +colorama/win32.py,sha256=bJ8Il9jwaBN5BJ8bmN6FoYZ1QYuMKv2j8fGrXh7TJjw,5404 +colorama/winterm.py,sha256=2y_2b7Zsv34feAsP67mLOVc-Bgq51mdYGo571VprlrM,6438 diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/WHEEL new file mode 100644 index 0000000..ecd4e92 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/top_level.txt new file mode 100644 index 0000000..3fcfb51 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama-0.4.4.dist-info/top_level.txt @@ -0,0 +1 @@ +colorama diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/__init__.py b/backend/mb-env/lib/python3.9/site-packages/colorama/__init__.py new file mode 100644 index 0000000..b149ed7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/__init__.py @@ -0,0 +1,6 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +from .initialise import init, deinit, reinit, colorama_text +from .ansi import Fore, Back, Style, Cursor +from .ansitowin32 import AnsiToWin32 + +__version__ = '0.4.4' diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/ansi.py b/backend/mb-env/lib/python3.9/site-packages/colorama/ansi.py new file mode 100644 index 0000000..11ec695 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/ansi.py @@ -0,0 +1,102 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +''' +This module generates ANSI character codes to printing colors to terminals. +See: http://en.wikipedia.org/wiki/ANSI_escape_code +''' + +CSI = '\033[' +OSC = '\033]' +BEL = '\a' + + +def code_to_chars(code): + return CSI + str(code) + 'm' + +def set_title(title): + return OSC + '2;' + title + BEL + +def clear_screen(mode=2): + return CSI + str(mode) + 'J' + +def clear_line(mode=2): + return CSI + str(mode) + 'K' + + +class AnsiCodes(object): + def __init__(self): + # the subclasses declare class attributes which are numbers. + # Upon instantiation we define instance attributes, which are the same + # as the class attributes but wrapped with the ANSI escape sequence + for name in dir(self): + if not name.startswith('_'): + value = getattr(self, name) + setattr(self, name, code_to_chars(value)) + + +class AnsiCursor(object): + def UP(self, n=1): + return CSI + str(n) + 'A' + def DOWN(self, n=1): + return CSI + str(n) + 'B' + def FORWARD(self, n=1): + return CSI + str(n) + 'C' + def BACK(self, n=1): + return CSI + str(n) + 'D' + def POS(self, x=1, y=1): + return CSI + str(y) + ';' + str(x) + 'H' + + +class AnsiFore(AnsiCodes): + BLACK = 30 + RED = 31 + GREEN = 32 + YELLOW = 33 + BLUE = 34 + MAGENTA = 35 + CYAN = 36 + WHITE = 37 + RESET = 39 + + # These are fairly well supported, but not part of the standard. + LIGHTBLACK_EX = 90 + LIGHTRED_EX = 91 + LIGHTGREEN_EX = 92 + LIGHTYELLOW_EX = 93 + LIGHTBLUE_EX = 94 + LIGHTMAGENTA_EX = 95 + LIGHTCYAN_EX = 96 + LIGHTWHITE_EX = 97 + + +class AnsiBack(AnsiCodes): + BLACK = 40 + RED = 41 + GREEN = 42 + YELLOW = 43 + BLUE = 44 + MAGENTA = 45 + CYAN = 46 + WHITE = 47 + RESET = 49 + + # These are fairly well supported, but not part of the standard. + LIGHTBLACK_EX = 100 + LIGHTRED_EX = 101 + LIGHTGREEN_EX = 102 + LIGHTYELLOW_EX = 103 + LIGHTBLUE_EX = 104 + LIGHTMAGENTA_EX = 105 + LIGHTCYAN_EX = 106 + LIGHTWHITE_EX = 107 + + +class AnsiStyle(AnsiCodes): + BRIGHT = 1 + DIM = 2 + NORMAL = 22 + RESET_ALL = 0 + +Fore = AnsiFore() +Back = AnsiBack() +Style = AnsiStyle() +Cursor = AnsiCursor() diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/ansitowin32.py b/backend/mb-env/lib/python3.9/site-packages/colorama/ansitowin32.py new file mode 100644 index 0000000..6039a05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/ansitowin32.py @@ -0,0 +1,258 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +import re +import sys +import os + +from .ansi import AnsiFore, AnsiBack, AnsiStyle, Style, BEL +from .winterm import WinTerm, WinColor, WinStyle +from .win32 import windll, winapi_test + + +winterm = None +if windll is not None: + winterm = WinTerm() + + +class StreamWrapper(object): + ''' + Wraps a stream (such as stdout), acting as a transparent proxy for all + attribute access apart from method 'write()', which is delegated to our + Converter instance. + ''' + def __init__(self, wrapped, converter): + # double-underscore everything to prevent clashes with names of + # attributes on the wrapped stream object. + self.__wrapped = wrapped + self.__convertor = converter + + def __getattr__(self, name): + return getattr(self.__wrapped, name) + + def __enter__(self, *args, **kwargs): + # special method lookup bypasses __getattr__/__getattribute__, see + # https://stackoverflow.com/questions/12632894/why-doesnt-getattr-work-with-exit + # thus, contextlib magic methods are not proxied via __getattr__ + return self.__wrapped.__enter__(*args, **kwargs) + + def __exit__(self, *args, **kwargs): + return self.__wrapped.__exit__(*args, **kwargs) + + def write(self, text): + self.__convertor.write(text) + + def isatty(self): + stream = self.__wrapped + if 'PYCHARM_HOSTED' in os.environ: + if stream is not None and (stream is sys.__stdout__ or stream is sys.__stderr__): + return True + try: + stream_isatty = stream.isatty + except AttributeError: + return False + else: + return stream_isatty() + + @property + def closed(self): + stream = self.__wrapped + try: + return stream.closed + except AttributeError: + return True + + +class AnsiToWin32(object): + ''' + Implements a 'write()' method which, on Windows, will strip ANSI character + sequences from the text, and if outputting to a tty, will convert them into + win32 function calls. + ''' + ANSI_CSI_RE = re.compile('\001?\033\\[((?:\\d|;)*)([a-zA-Z])\002?') # Control Sequence Introducer + ANSI_OSC_RE = re.compile('\001?\033\\]([^\a]*)(\a)\002?') # Operating System Command + + def __init__(self, wrapped, convert=None, strip=None, autoreset=False): + # The wrapped stream (normally sys.stdout or sys.stderr) + self.wrapped = wrapped + + # should we reset colors to defaults after every .write() + self.autoreset = autoreset + + # create the proxy wrapping our output stream + self.stream = StreamWrapper(wrapped, self) + + on_windows = os.name == 'nt' + # We test if the WinAPI works, because even if we are on Windows + # we may be using a terminal that doesn't support the WinAPI + # (e.g. Cygwin Terminal). In this case it's up to the terminal + # to support the ANSI codes. + conversion_supported = on_windows and winapi_test() + + # should we strip ANSI sequences from our output? + if strip is None: + strip = conversion_supported or (not self.stream.closed and not self.stream.isatty()) + self.strip = strip + + # should we should convert ANSI sequences into win32 calls? + if convert is None: + convert = conversion_supported and not self.stream.closed and self.stream.isatty() + self.convert = convert + + # dict of ansi codes to win32 functions and parameters + self.win32_calls = self.get_win32_calls() + + # are we wrapping stderr? + self.on_stderr = self.wrapped is sys.stderr + + def should_wrap(self): + ''' + True if this class is actually needed. If false, then the output + stream will not be affected, nor will win32 calls be issued, so + wrapping stdout is not actually required. This will generally be + False on non-Windows platforms, unless optional functionality like + autoreset has been requested using kwargs to init() + ''' + return self.convert or self.strip or self.autoreset + + def get_win32_calls(self): + if self.convert and winterm: + return { + AnsiStyle.RESET_ALL: (winterm.reset_all, ), + AnsiStyle.BRIGHT: (winterm.style, WinStyle.BRIGHT), + AnsiStyle.DIM: (winterm.style, WinStyle.NORMAL), + AnsiStyle.NORMAL: (winterm.style, WinStyle.NORMAL), + AnsiFore.BLACK: (winterm.fore, WinColor.BLACK), + AnsiFore.RED: (winterm.fore, WinColor.RED), + AnsiFore.GREEN: (winterm.fore, WinColor.GREEN), + AnsiFore.YELLOW: (winterm.fore, WinColor.YELLOW), + AnsiFore.BLUE: (winterm.fore, WinColor.BLUE), + AnsiFore.MAGENTA: (winterm.fore, WinColor.MAGENTA), + AnsiFore.CYAN: (winterm.fore, WinColor.CYAN), + AnsiFore.WHITE: (winterm.fore, WinColor.GREY), + AnsiFore.RESET: (winterm.fore, ), + AnsiFore.LIGHTBLACK_EX: (winterm.fore, WinColor.BLACK, True), + AnsiFore.LIGHTRED_EX: (winterm.fore, WinColor.RED, True), + AnsiFore.LIGHTGREEN_EX: (winterm.fore, WinColor.GREEN, True), + AnsiFore.LIGHTYELLOW_EX: (winterm.fore, WinColor.YELLOW, True), + AnsiFore.LIGHTBLUE_EX: (winterm.fore, WinColor.BLUE, True), + AnsiFore.LIGHTMAGENTA_EX: (winterm.fore, WinColor.MAGENTA, True), + AnsiFore.LIGHTCYAN_EX: (winterm.fore, WinColor.CYAN, True), + AnsiFore.LIGHTWHITE_EX: (winterm.fore, WinColor.GREY, True), + AnsiBack.BLACK: (winterm.back, WinColor.BLACK), + AnsiBack.RED: (winterm.back, WinColor.RED), + AnsiBack.GREEN: (winterm.back, WinColor.GREEN), + AnsiBack.YELLOW: (winterm.back, WinColor.YELLOW), + AnsiBack.BLUE: (winterm.back, WinColor.BLUE), + AnsiBack.MAGENTA: (winterm.back, WinColor.MAGENTA), + AnsiBack.CYAN: (winterm.back, WinColor.CYAN), + AnsiBack.WHITE: (winterm.back, WinColor.GREY), + AnsiBack.RESET: (winterm.back, ), + AnsiBack.LIGHTBLACK_EX: (winterm.back, WinColor.BLACK, True), + AnsiBack.LIGHTRED_EX: (winterm.back, WinColor.RED, True), + AnsiBack.LIGHTGREEN_EX: (winterm.back, WinColor.GREEN, True), + AnsiBack.LIGHTYELLOW_EX: (winterm.back, WinColor.YELLOW, True), + AnsiBack.LIGHTBLUE_EX: (winterm.back, WinColor.BLUE, True), + AnsiBack.LIGHTMAGENTA_EX: (winterm.back, WinColor.MAGENTA, True), + AnsiBack.LIGHTCYAN_EX: (winterm.back, WinColor.CYAN, True), + AnsiBack.LIGHTWHITE_EX: (winterm.back, WinColor.GREY, True), + } + return dict() + + def write(self, text): + if self.strip or self.convert: + self.write_and_convert(text) + else: + self.wrapped.write(text) + self.wrapped.flush() + if self.autoreset: + self.reset_all() + + + def reset_all(self): + if self.convert: + self.call_win32('m', (0,)) + elif not self.strip and not self.stream.closed: + self.wrapped.write(Style.RESET_ALL) + + + def write_and_convert(self, text): + ''' + Write the given text to our wrapped stream, stripping any ANSI + sequences from the text, and optionally converting them into win32 + calls. + ''' + cursor = 0 + text = self.convert_osc(text) + for match in self.ANSI_CSI_RE.finditer(text): + start, end = match.span() + self.write_plain_text(text, cursor, start) + self.convert_ansi(*match.groups()) + cursor = end + self.write_plain_text(text, cursor, len(text)) + + + def write_plain_text(self, text, start, end): + if start < end: + self.wrapped.write(text[start:end]) + self.wrapped.flush() + + + def convert_ansi(self, paramstring, command): + if self.convert: + params = self.extract_params(command, paramstring) + self.call_win32(command, params) + + + def extract_params(self, command, paramstring): + if command in 'Hf': + params = tuple(int(p) if len(p) != 0 else 1 for p in paramstring.split(';')) + while len(params) < 2: + # defaults: + params = params + (1,) + else: + params = tuple(int(p) for p in paramstring.split(';') if len(p) != 0) + if len(params) == 0: + # defaults: + if command in 'JKm': + params = (0,) + elif command in 'ABCD': + params = (1,) + + return params + + + def call_win32(self, command, params): + if command == 'm': + for param in params: + if param in self.win32_calls: + func_args = self.win32_calls[param] + func = func_args[0] + args = func_args[1:] + kwargs = dict(on_stderr=self.on_stderr) + func(*args, **kwargs) + elif command in 'J': + winterm.erase_screen(params[0], on_stderr=self.on_stderr) + elif command in 'K': + winterm.erase_line(params[0], on_stderr=self.on_stderr) + elif command in 'Hf': # cursor position - absolute + winterm.set_cursor_position(params, on_stderr=self.on_stderr) + elif command in 'ABCD': # cursor position - relative + n = params[0] + # A - up, B - down, C - forward, D - back + x, y = {'A': (0, -n), 'B': (0, n), 'C': (n, 0), 'D': (-n, 0)}[command] + winterm.cursor_adjust(x, y, on_stderr=self.on_stderr) + + + def convert_osc(self, text): + for match in self.ANSI_OSC_RE.finditer(text): + start, end = match.span() + text = text[:start] + text[end:] + paramstring, command = match.groups() + if command == BEL: + if paramstring.count(";") == 1: + params = paramstring.split(";") + # 0 - change title and icon (we will only change title) + # 1 - change icon (we don't support this) + # 2 - change title + if params[0] in '02': + winterm.set_title(params[1]) + return text diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/initialise.py b/backend/mb-env/lib/python3.9/site-packages/colorama/initialise.py new file mode 100644 index 0000000..430d066 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/initialise.py @@ -0,0 +1,80 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +import atexit +import contextlib +import sys + +from .ansitowin32 import AnsiToWin32 + + +orig_stdout = None +orig_stderr = None + +wrapped_stdout = None +wrapped_stderr = None + +atexit_done = False + + +def reset_all(): + if AnsiToWin32 is not None: # Issue #74: objects might become None at exit + AnsiToWin32(orig_stdout).reset_all() + + +def init(autoreset=False, convert=None, strip=None, wrap=True): + + if not wrap and any([autoreset, convert, strip]): + raise ValueError('wrap=False conflicts with any other arg=True') + + global wrapped_stdout, wrapped_stderr + global orig_stdout, orig_stderr + + orig_stdout = sys.stdout + orig_stderr = sys.stderr + + if sys.stdout is None: + wrapped_stdout = None + else: + sys.stdout = wrapped_stdout = \ + wrap_stream(orig_stdout, convert, strip, autoreset, wrap) + if sys.stderr is None: + wrapped_stderr = None + else: + sys.stderr = wrapped_stderr = \ + wrap_stream(orig_stderr, convert, strip, autoreset, wrap) + + global atexit_done + if not atexit_done: + atexit.register(reset_all) + atexit_done = True + + +def deinit(): + if orig_stdout is not None: + sys.stdout = orig_stdout + if orig_stderr is not None: + sys.stderr = orig_stderr + + +@contextlib.contextmanager +def colorama_text(*args, **kwargs): + init(*args, **kwargs) + try: + yield + finally: + deinit() + + +def reinit(): + if wrapped_stdout is not None: + sys.stdout = wrapped_stdout + if wrapped_stderr is not None: + sys.stderr = wrapped_stderr + + +def wrap_stream(stream, convert, strip, autoreset, wrap): + if wrap: + wrapper = AnsiToWin32(stream, + convert=convert, strip=strip, autoreset=autoreset) + if wrapper.should_wrap(): + stream = wrapper.stream + return stream diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/win32.py b/backend/mb-env/lib/python3.9/site-packages/colorama/win32.py new file mode 100644 index 0000000..c2d8360 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/win32.py @@ -0,0 +1,152 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. + +# from winbase.h +STDOUT = -11 +STDERR = -12 + +try: + import ctypes + from ctypes import LibraryLoader + windll = LibraryLoader(ctypes.WinDLL) + from ctypes import wintypes +except (AttributeError, ImportError): + windll = None + SetConsoleTextAttribute = lambda *_: None + winapi_test = lambda *_: None +else: + from ctypes import byref, Structure, c_char, POINTER + + COORD = wintypes._COORD + + class CONSOLE_SCREEN_BUFFER_INFO(Structure): + """struct in wincon.h.""" + _fields_ = [ + ("dwSize", COORD), + ("dwCursorPosition", COORD), + ("wAttributes", wintypes.WORD), + ("srWindow", wintypes.SMALL_RECT), + ("dwMaximumWindowSize", COORD), + ] + def __str__(self): + return '(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d)' % ( + self.dwSize.Y, self.dwSize.X + , self.dwCursorPosition.Y, self.dwCursorPosition.X + , self.wAttributes + , self.srWindow.Top, self.srWindow.Left, self.srWindow.Bottom, self.srWindow.Right + , self.dwMaximumWindowSize.Y, self.dwMaximumWindowSize.X + ) + + _GetStdHandle = windll.kernel32.GetStdHandle + _GetStdHandle.argtypes = [ + wintypes.DWORD, + ] + _GetStdHandle.restype = wintypes.HANDLE + + _GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo + _GetConsoleScreenBufferInfo.argtypes = [ + wintypes.HANDLE, + POINTER(CONSOLE_SCREEN_BUFFER_INFO), + ] + _GetConsoleScreenBufferInfo.restype = wintypes.BOOL + + _SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute + _SetConsoleTextAttribute.argtypes = [ + wintypes.HANDLE, + wintypes.WORD, + ] + _SetConsoleTextAttribute.restype = wintypes.BOOL + + _SetConsoleCursorPosition = windll.kernel32.SetConsoleCursorPosition + _SetConsoleCursorPosition.argtypes = [ + wintypes.HANDLE, + COORD, + ] + _SetConsoleCursorPosition.restype = wintypes.BOOL + + _FillConsoleOutputCharacterA = windll.kernel32.FillConsoleOutputCharacterA + _FillConsoleOutputCharacterA.argtypes = [ + wintypes.HANDLE, + c_char, + wintypes.DWORD, + COORD, + POINTER(wintypes.DWORD), + ] + _FillConsoleOutputCharacterA.restype = wintypes.BOOL + + _FillConsoleOutputAttribute = windll.kernel32.FillConsoleOutputAttribute + _FillConsoleOutputAttribute.argtypes = [ + wintypes.HANDLE, + wintypes.WORD, + wintypes.DWORD, + COORD, + POINTER(wintypes.DWORD), + ] + _FillConsoleOutputAttribute.restype = wintypes.BOOL + + _SetConsoleTitleW = windll.kernel32.SetConsoleTitleW + _SetConsoleTitleW.argtypes = [ + wintypes.LPCWSTR + ] + _SetConsoleTitleW.restype = wintypes.BOOL + + def _winapi_test(handle): + csbi = CONSOLE_SCREEN_BUFFER_INFO() + success = _GetConsoleScreenBufferInfo( + handle, byref(csbi)) + return bool(success) + + def winapi_test(): + return any(_winapi_test(h) for h in + (_GetStdHandle(STDOUT), _GetStdHandle(STDERR))) + + def GetConsoleScreenBufferInfo(stream_id=STDOUT): + handle = _GetStdHandle(stream_id) + csbi = CONSOLE_SCREEN_BUFFER_INFO() + success = _GetConsoleScreenBufferInfo( + handle, byref(csbi)) + return csbi + + def SetConsoleTextAttribute(stream_id, attrs): + handle = _GetStdHandle(stream_id) + return _SetConsoleTextAttribute(handle, attrs) + + def SetConsoleCursorPosition(stream_id, position, adjust=True): + position = COORD(*position) + # If the position is out of range, do nothing. + if position.Y <= 0 or position.X <= 0: + return + # Adjust for Windows' SetConsoleCursorPosition: + # 1. being 0-based, while ANSI is 1-based. + # 2. expecting (x,y), while ANSI uses (y,x). + adjusted_position = COORD(position.Y - 1, position.X - 1) + if adjust: + # Adjust for viewport's scroll position + sr = GetConsoleScreenBufferInfo(STDOUT).srWindow + adjusted_position.Y += sr.Top + adjusted_position.X += sr.Left + # Resume normal processing + handle = _GetStdHandle(stream_id) + return _SetConsoleCursorPosition(handle, adjusted_position) + + def FillConsoleOutputCharacter(stream_id, char, length, start): + handle = _GetStdHandle(stream_id) + char = c_char(char.encode()) + length = wintypes.DWORD(length) + num_written = wintypes.DWORD(0) + # Note that this is hard-coded for ANSI (vs wide) bytes. + success = _FillConsoleOutputCharacterA( + handle, char, length, start, byref(num_written)) + return num_written.value + + def FillConsoleOutputAttribute(stream_id, attr, length, start): + ''' FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten )''' + handle = _GetStdHandle(stream_id) + attribute = wintypes.WORD(attr) + length = wintypes.DWORD(length) + num_written = wintypes.DWORD(0) + # Note that this is hard-coded for ANSI (vs wide) bytes. + return _FillConsoleOutputAttribute( + handle, attribute, length, start, byref(num_written)) + + def SetConsoleTitle(title): + return _SetConsoleTitleW(title) diff --git a/backend/mb-env/lib/python3.9/site-packages/colorama/winterm.py b/backend/mb-env/lib/python3.9/site-packages/colorama/winterm.py new file mode 100644 index 0000000..0fdb4ec --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/colorama/winterm.py @@ -0,0 +1,169 @@ +# Copyright Jonathan Hartley 2013. BSD 3-Clause license, see LICENSE file. +from . import win32 + + +# from wincon.h +class WinColor(object): + BLACK = 0 + BLUE = 1 + GREEN = 2 + CYAN = 3 + RED = 4 + MAGENTA = 5 + YELLOW = 6 + GREY = 7 + +# from wincon.h +class WinStyle(object): + NORMAL = 0x00 # dim text, dim background + BRIGHT = 0x08 # bright text, dim background + BRIGHT_BACKGROUND = 0x80 # dim text, bright background + +class WinTerm(object): + + def __init__(self): + self._default = win32.GetConsoleScreenBufferInfo(win32.STDOUT).wAttributes + self.set_attrs(self._default) + self._default_fore = self._fore + self._default_back = self._back + self._default_style = self._style + # In order to emulate LIGHT_EX in windows, we borrow the BRIGHT style. + # So that LIGHT_EX colors and BRIGHT style do not clobber each other, + # we track them separately, since LIGHT_EX is overwritten by Fore/Back + # and BRIGHT is overwritten by Style codes. + self._light = 0 + + def get_attrs(self): + return self._fore + self._back * 16 + (self._style | self._light) + + def set_attrs(self, value): + self._fore = value & 7 + self._back = (value >> 4) & 7 + self._style = value & (WinStyle.BRIGHT | WinStyle.BRIGHT_BACKGROUND) + + def reset_all(self, on_stderr=None): + self.set_attrs(self._default) + self.set_console(attrs=self._default) + self._light = 0 + + def fore(self, fore=None, light=False, on_stderr=False): + if fore is None: + fore = self._default_fore + self._fore = fore + # Emulate LIGHT_EX with BRIGHT Style + if light: + self._light |= WinStyle.BRIGHT + else: + self._light &= ~WinStyle.BRIGHT + self.set_console(on_stderr=on_stderr) + + def back(self, back=None, light=False, on_stderr=False): + if back is None: + back = self._default_back + self._back = back + # Emulate LIGHT_EX with BRIGHT_BACKGROUND Style + if light: + self._light |= WinStyle.BRIGHT_BACKGROUND + else: + self._light &= ~WinStyle.BRIGHT_BACKGROUND + self.set_console(on_stderr=on_stderr) + + def style(self, style=None, on_stderr=False): + if style is None: + style = self._default_style + self._style = style + self.set_console(on_stderr=on_stderr) + + def set_console(self, attrs=None, on_stderr=False): + if attrs is None: + attrs = self.get_attrs() + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + win32.SetConsoleTextAttribute(handle, attrs) + + def get_position(self, handle): + position = win32.GetConsoleScreenBufferInfo(handle).dwCursorPosition + # Because Windows coordinates are 0-based, + # and win32.SetConsoleCursorPosition expects 1-based. + position.X += 1 + position.Y += 1 + return position + + def set_cursor_position(self, position=None, on_stderr=False): + if position is None: + # I'm not currently tracking the position, so there is no default. + # position = self.get_position() + return + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + win32.SetConsoleCursorPosition(handle, position) + + def cursor_adjust(self, x, y, on_stderr=False): + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + position = self.get_position(handle) + adjusted_position = (position.Y + y, position.X + x) + win32.SetConsoleCursorPosition(handle, adjusted_position, adjust=False) + + def erase_screen(self, mode=0, on_stderr=False): + # 0 should clear from the cursor to the end of the screen. + # 1 should clear from the cursor to the beginning of the screen. + # 2 should clear the entire screen, and move cursor to (1,1) + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + csbi = win32.GetConsoleScreenBufferInfo(handle) + # get the number of character cells in the current buffer + cells_in_screen = csbi.dwSize.X * csbi.dwSize.Y + # get number of character cells before current cursor position + cells_before_cursor = csbi.dwSize.X * csbi.dwCursorPosition.Y + csbi.dwCursorPosition.X + if mode == 0: + from_coord = csbi.dwCursorPosition + cells_to_erase = cells_in_screen - cells_before_cursor + elif mode == 1: + from_coord = win32.COORD(0, 0) + cells_to_erase = cells_before_cursor + elif mode == 2: + from_coord = win32.COORD(0, 0) + cells_to_erase = cells_in_screen + else: + # invalid mode + return + # fill the entire screen with blanks + win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord) + # now set the buffer's attributes accordingly + win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord) + if mode == 2: + # put the cursor where needed + win32.SetConsoleCursorPosition(handle, (1, 1)) + + def erase_line(self, mode=0, on_stderr=False): + # 0 should clear from the cursor to the end of the line. + # 1 should clear from the cursor to the beginning of the line. + # 2 should clear the entire line. + handle = win32.STDOUT + if on_stderr: + handle = win32.STDERR + csbi = win32.GetConsoleScreenBufferInfo(handle) + if mode == 0: + from_coord = csbi.dwCursorPosition + cells_to_erase = csbi.dwSize.X - csbi.dwCursorPosition.X + elif mode == 1: + from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) + cells_to_erase = csbi.dwCursorPosition.X + elif mode == 2: + from_coord = win32.COORD(0, csbi.dwCursorPosition.Y) + cells_to_erase = csbi.dwSize.X + else: + # invalid mode + return + # fill the entire screen with blanks + win32.FillConsoleOutputCharacter(handle, ' ', cells_to_erase, from_coord) + # now set the buffer's attributes accordingly + win32.FillConsoleOutputAttribute(handle, self.get_attrs(), cells_to_erase, from_coord) + + def set_title(self, title): + win32.SetConsoleTitle(title) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE new file mode 100644 index 0000000..0707425 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE @@ -0,0 +1,6 @@ +This software is made available under the terms of *either* of the licenses +found in LICENSE.APACHE or LICENSE.BSD. Contributions to cryptography are made +under the terms of *both* these licenses. + +The code used in the OS random engine is derived from CPython, and is licensed +under the terms of the PSF License Agreement. diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE.APACHE b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE.APACHE new file mode 100644 index 0000000..62589ed --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/LICENSE.APACHE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + https://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Our goal is for it to be your "cryptographic +standard library". It supports Python 3.6+ and PyPy3 7.2+. + +``cryptography`` includes both high level recipes and low level interfaces to +common cryptographic algorithms such as symmetric ciphers, message digests, and +key derivation functions. For example, to encrypt something with +``cryptography``'s high level symmetric encryption recipe: + +.. code-block:: pycon + + >>> from cryptography.fernet import Fernet + >>> # Put this somewhere safe! + >>> key = Fernet.generate_key() + >>> f = Fernet(key) + >>> token = f.encrypt(b"A really secret message. Not for prying eyes.") + >>> token + '...' + >>> f.decrypt(token) + 'A really secret message. Not for prying eyes.' + +You can find more information in the `documentation`_. + +You can install ``cryptography`` with: + +.. code-block:: console + + $ pip install cryptography + +For full details see `the installation documentation`_. + +Discussion +~~~~~~~~~~ + +If you run into bugs, you can file them in our `issue tracker`_. + +We maintain a `cryptography-dev`_ mailing list for development discussion. + +You can also join ``#cryptography-dev`` on Freenode to ask questions or get +involved. + +Security +~~~~~~~~ + +Need to report a security issue? Please consult our `security reporting`_ +documentation. + + +.. _`documentation`: https://cryptography.io/ +.. _`the installation documentation`: https://cryptography.io/en/latest/installation.html +.. _`issue tracker`: https://github.com/pyca/cryptography/issues +.. _`cryptography-dev`: https://mail.python.org/mailman/listinfo/cryptography-dev +.. _`security reporting`: https://cryptography.io/en/latest/security.html + + diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/RECORD new file mode 100644 index 0000000..ffad0e5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/RECORD @@ -0,0 +1,188 @@ +cryptography-3.4.7.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +cryptography-3.4.7.dist-info/LICENSE,sha256=Q9rSzHUqtyHNmp827OcPtTq3cTVR8tPYaU2OjFoG1uI,323 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a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/WHEEL new file mode 100644 index 0000000..fb2e2ad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: false +Tag: cp36-abi3-manylinux2014_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/top_level.txt new file mode 100644 index 0000000..52ccfc6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography-3.4.7.dist-info/top_level.txt @@ -0,0 +1,3 @@ +_openssl +_padding +cryptography diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/__about__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/__about__.py new file mode 100644 index 0000000..0952155 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/__about__.py @@ -0,0 +1,30 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", +] + +__title__ = "cryptography" +__summary__ = ( + "cryptography is a package which provides cryptographic recipes" + " and primitives to Python developers." +) +__uri__ = "https://github.com/pyca/cryptography" + +__version__ = "3.4.7" + +__author__ = "The Python Cryptographic Authority and individual contributors" +__email__ = "cryptography-dev@python.org" + +__license__ = "BSD or Apache License, Version 2.0" +__copyright__ = "Copyright 2013-2021 {}".format(__author__) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/__init__.py new file mode 100644 index 0000000..15e7835 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/__init__.py @@ -0,0 +1,27 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.__about__ import ( + __author__, + __copyright__, + __email__, + __license__, + __summary__, + __title__, + __uri__, + __version__, +) + + +__all__ = [ + "__title__", + "__summary__", + "__uri__", + "__version__", + "__author__", + "__email__", + "__license__", + "__copyright__", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/exceptions.py new file mode 100644 index 0000000..f586059 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/exceptions.py @@ -0,0 +1,57 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from enum import Enum + + +class _Reasons(Enum): + BACKEND_MISSING_INTERFACE = 0 + UNSUPPORTED_HASH = 1 + UNSUPPORTED_CIPHER = 2 + UNSUPPORTED_PADDING = 3 + UNSUPPORTED_MGF = 4 + UNSUPPORTED_PUBLIC_KEY_ALGORITHM = 5 + UNSUPPORTED_ELLIPTIC_CURVE = 6 + UNSUPPORTED_SERIALIZATION = 7 + UNSUPPORTED_X509 = 8 + UNSUPPORTED_EXCHANGE_ALGORITHM = 9 + UNSUPPORTED_DIFFIE_HELLMAN = 10 + UNSUPPORTED_MAC = 11 + + +class UnsupportedAlgorithm(Exception): + def __init__(self, message, reason=None): + super(UnsupportedAlgorithm, self).__init__(message) + self._reason = reason + + +class AlreadyFinalized(Exception): + pass + + +class AlreadyUpdated(Exception): + pass + + +class NotYetFinalized(Exception): + pass + + +class InvalidTag(Exception): + pass + + +class InvalidSignature(Exception): + pass + + +class InternalError(Exception): + def __init__(self, msg, err_code): + super(InternalError, self).__init__(msg) + self.err_code = err_code + + +class InvalidKey(Exception): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/fernet.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/fernet.py new file mode 100644 index 0000000..57772fe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/fernet.py @@ -0,0 +1,204 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import base64 +import binascii +import os +import struct +import time +import typing + +from cryptography import utils +from cryptography.exceptions import InvalidSignature +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import hashes, padding +from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes +from cryptography.hazmat.primitives.hmac import HMAC + + +class InvalidToken(Exception): + pass + + +_MAX_CLOCK_SKEW = 60 + + +class Fernet(object): + def __init__(self, key: bytes, backend=None): + backend = _get_backend(backend) + + key = base64.urlsafe_b64decode(key) + if len(key) != 32: + raise ValueError( + "Fernet key must be 32 url-safe base64-encoded bytes." + ) + + self._signing_key = key[:16] + self._encryption_key = key[16:] + self._backend = backend + + @classmethod + def generate_key(cls) -> bytes: + return base64.urlsafe_b64encode(os.urandom(32)) + + def encrypt(self, data: bytes) -> bytes: + return self.encrypt_at_time(data, int(time.time())) + + def encrypt_at_time(self, data: bytes, current_time: int) -> bytes: + iv = os.urandom(16) + return self._encrypt_from_parts(data, current_time, iv) + + def _encrypt_from_parts( + self, data: bytes, current_time: int, iv: bytes + ) -> bytes: + utils._check_bytes("data", data) + + padder = padding.PKCS7(algorithms.AES.block_size).padder() + padded_data = padder.update(data) + padder.finalize() + encryptor = Cipher( + algorithms.AES(self._encryption_key), modes.CBC(iv), self._backend + ).encryptor() + ciphertext = encryptor.update(padded_data) + encryptor.finalize() + + basic_parts = ( + b"\x80" + struct.pack(">Q", current_time) + iv + ciphertext + ) + + h = HMAC(self._signing_key, hashes.SHA256(), backend=self._backend) + h.update(basic_parts) + hmac = h.finalize() + return base64.urlsafe_b64encode(basic_parts + hmac) + + def decrypt(self, token: bytes, ttl: typing.Optional[int] = None) -> bytes: + timestamp, data = Fernet._get_unverified_token_data(token) + if ttl is None: + time_info = None + else: + time_info = (ttl, int(time.time())) + return self._decrypt_data(data, timestamp, time_info) + + def decrypt_at_time( + self, token: bytes, ttl: int, current_time: int + ) -> bytes: + if ttl is None: + raise ValueError( + "decrypt_at_time() can only be used with a non-None ttl" + ) + timestamp, data = Fernet._get_unverified_token_data(token) + return self._decrypt_data(data, timestamp, (ttl, current_time)) + + def extract_timestamp(self, token: bytes) -> int: + timestamp, data = Fernet._get_unverified_token_data(token) + # Verify the token was not tampered with. + self._verify_signature(data) + return timestamp + + @staticmethod + def _get_unverified_token_data(token: bytes) -> typing.Tuple[int, bytes]: + utils._check_bytes("token", token) + try: + data = base64.urlsafe_b64decode(token) + except (TypeError, binascii.Error): + raise InvalidToken + + if not data or data[0] != 0x80: + raise InvalidToken + + try: + (timestamp,) = struct.unpack(">Q", data[1:9]) + except struct.error: + raise InvalidToken + return timestamp, data + + def _verify_signature(self, data: bytes) -> None: + h = HMAC(self._signing_key, hashes.SHA256(), backend=self._backend) + h.update(data[:-32]) + try: + h.verify(data[-32:]) + except InvalidSignature: + raise InvalidToken + + def _decrypt_data( + self, + data: bytes, + timestamp: int, + time_info: typing.Optional[typing.Tuple[int, int]], + ) -> bytes: + if time_info is not None: + ttl, current_time = time_info + if timestamp + ttl < current_time: + raise InvalidToken + + if current_time + _MAX_CLOCK_SKEW < timestamp: + raise InvalidToken + + self._verify_signature(data) + + iv = data[9:25] + ciphertext = data[25:-32] + decryptor = Cipher( + algorithms.AES(self._encryption_key), modes.CBC(iv), self._backend + ).decryptor() + plaintext_padded = decryptor.update(ciphertext) + try: + plaintext_padded += decryptor.finalize() + except ValueError: + raise InvalidToken + unpadder = padding.PKCS7(algorithms.AES.block_size).unpadder() + + unpadded = unpadder.update(plaintext_padded) + try: + unpadded += unpadder.finalize() + except ValueError: + raise InvalidToken + return unpadded + + +class MultiFernet(object): + def __init__(self, fernets: typing.Iterable[Fernet]): + fernets = list(fernets) + if not fernets: + raise ValueError( + "MultiFernet requires at least one Fernet instance" + ) + self._fernets = fernets + + def encrypt(self, msg: bytes) -> bytes: + return self.encrypt_at_time(msg, int(time.time())) + + def encrypt_at_time(self, msg: bytes, current_time: int) -> bytes: + return self._fernets[0].encrypt_at_time(msg, current_time) + + def rotate(self, msg: bytes) -> bytes: + timestamp, data = Fernet._get_unverified_token_data(msg) + for f in self._fernets: + try: + p = f._decrypt_data(data, timestamp, None) + break + except InvalidToken: + pass + else: + raise InvalidToken + + iv = os.urandom(16) + return self._fernets[0]._encrypt_from_parts(p, timestamp, iv) + + def decrypt(self, msg: bytes, ttl: typing.Optional[int] = None) -> bytes: + for f in self._fernets: + try: + return f.decrypt(msg, ttl) + except InvalidToken: + pass + raise InvalidToken + + def decrypt_at_time( + self, msg: bytes, ttl: int, current_time: int + ) -> bytes: + for f in self._fernets: + try: + return f.decrypt_at_time(msg, ttl, current_time) + except InvalidToken: + pass + raise InvalidToken diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/__init__.py new file mode 100644 index 0000000..007694b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/__init__.py @@ -0,0 +1,10 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. +""" +Hazardous Materials + +This is a "Hazardous Materials" module. You should ONLY use it if you're +100% absolutely sure that you know what you're doing because this module +is full of land mines, dragons, and dinosaurs with laser guns. +""" diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_der.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_der.py new file mode 100644 index 0000000..fa5940b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_der.py @@ -0,0 +1,156 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.utils import int_to_bytes + + +# This module contains a lightweight DER encoder and decoder. See X.690 for the +# specification. This module intentionally does not implement the more complex +# BER encoding, only DER. +# +# Note this implementation treats an element's constructed bit as part of the +# tag. This is fine for DER, where the bit is always computable from the type. + + +CONSTRUCTED = 0x20 +CONTEXT_SPECIFIC = 0x80 + +INTEGER = 0x02 +BIT_STRING = 0x03 +OCTET_STRING = 0x04 +NULL = 0x05 +OBJECT_IDENTIFIER = 0x06 +SEQUENCE = 0x10 | CONSTRUCTED +SET = 0x11 | CONSTRUCTED +PRINTABLE_STRING = 0x13 +UTC_TIME = 0x17 +GENERALIZED_TIME = 0x18 + + +class DERReader(object): + def __init__(self, data): + self.data = memoryview(data) + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_value, tb): + if exc_value is None: + self.check_empty() + + def is_empty(self): + return len(self.data) == 0 + + def check_empty(self): + if not self.is_empty(): + raise ValueError("Invalid DER input: trailing data") + + def read_byte(self) -> int: + if len(self.data) < 1: + raise ValueError("Invalid DER input: insufficient data") + ret = self.data[0] + self.data = self.data[1:] + return ret + + def read_bytes(self, n) -> memoryview: + if len(self.data) < n: + raise ValueError("Invalid DER input: insufficient data") + ret = self.data[:n] + self.data = self.data[n:] + return ret + + def read_any_element(self) -> typing.Tuple[int, "DERReader"]: + tag = self.read_byte() + # Tag numbers 31 or higher are stored in multiple bytes. No supported + # ASN.1 types use such tags, so reject these. + if tag & 0x1F == 0x1F: + raise ValueError("Invalid DER input: unexpected high tag number") + length_byte = self.read_byte() + if length_byte & 0x80 == 0: + # If the high bit is clear, the first length byte is the length. + length = length_byte + else: + # If the high bit is set, the first length byte encodes the length + # of the length. + length_byte &= 0x7F + if length_byte == 0: + raise ValueError( + "Invalid DER input: indefinite length form is not allowed " + "in DER" + ) + length = 0 + for i in range(length_byte): + length <<= 8 + length |= self.read_byte() + if length == 0: + raise ValueError( + "Invalid DER input: length was not minimally-encoded" + ) + if length < 0x80: + # If the length could have been encoded in short form, it must + # not use long form. + raise ValueError( + "Invalid DER input: length was not minimally-encoded" + ) + body = self.read_bytes(length) + return tag, DERReader(body) + + def read_element(self, expected_tag: int) -> "DERReader": + tag, body = self.read_any_element() + if tag != expected_tag: + raise ValueError("Invalid DER input: unexpected tag") + return body + + def read_single_element(self, expected_tag: int) -> "DERReader": + with self: + return self.read_element(expected_tag) + + def read_optional_element( + self, expected_tag: int + ) -> typing.Optional["DERReader"]: + if len(self.data) > 0 and self.data[0] == expected_tag: + return self.read_element(expected_tag) + return None + + def as_integer(self) -> int: + if len(self.data) == 0: + raise ValueError("Invalid DER input: empty integer contents") + first = self.data[0] + if first & 0x80 == 0x80: + raise ValueError("Negative DER integers are not supported") + # The first 9 bits must not all be zero or all be ones. Otherwise, the + # encoding should have been one byte shorter. + if len(self.data) > 1: + second = self.data[1] + if first == 0 and second & 0x80 == 0: + raise ValueError( + "Invalid DER input: integer not minimally-encoded" + ) + return int.from_bytes(self.data, "big") + + +def encode_der_integer(x: int) -> bytes: + if not isinstance(x, int): + raise ValueError("Value must be an integer") + if x < 0: + raise ValueError("Negative integers are not supported") + n = x.bit_length() // 8 + 1 + return int_to_bytes(x, n) + + +def encode_der(tag: int, *children: bytes) -> bytes: + length = 0 + for child in children: + length += len(child) + chunks = [bytes([tag])] + if length < 0x80: + chunks.append(bytes([length])) + else: + length_bytes = int_to_bytes(length) + chunks.append(bytes([0x80 | len(length_bytes)])) + chunks.append(length_bytes) + chunks.extend(children) + return b"".join(chunks) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_oid.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_oid.py new file mode 100644 index 0000000..27eeb7d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_oid.py @@ -0,0 +1,76 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils + + +class ObjectIdentifier(object): + def __init__(self, dotted_string: str): + self._dotted_string = dotted_string + + nodes = self._dotted_string.split(".") + intnodes = [] + + # There must be at least 2 nodes, the first node must be 0..2, and + # if less than 2, the second node cannot have a value outside the + # range 0..39. All nodes must be integers. + for node in nodes: + try: + node_value = int(node, 10) + except ValueError: + raise ValueError( + "Malformed OID: %s (non-integer nodes)" + % (self._dotted_string) + ) + if node_value < 0: + raise ValueError( + "Malformed OID: %s (negative-integer nodes)" + % (self._dotted_string) + ) + intnodes.append(node_value) + + if len(nodes) < 2: + raise ValueError( + "Malformed OID: %s (insufficient number of nodes)" + % (self._dotted_string) + ) + + if intnodes[0] > 2: + raise ValueError( + "Malformed OID: %s (first node outside valid range)" + % (self._dotted_string) + ) + + if intnodes[0] < 2 and intnodes[1] >= 40: + raise ValueError( + "Malformed OID: %s (second node outside valid range)" + % (self._dotted_string) + ) + + def __eq__(self, other): + if not isinstance(other, ObjectIdentifier): + return NotImplemented + + return self.dotted_string == other.dotted_string + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return "".format( + self.dotted_string, self._name + ) + + def __hash__(self): + return hash(self.dotted_string) + + @property + def _name(self): + # Lazy import to avoid an import cycle + from cryptography.x509.oid import _OID_NAMES + + return _OID_NAMES.get(self, "Unknown OID") + + dotted_string = utils.read_only_property("_dotted_string") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_types.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_types.py new file mode 100644 index 0000000..ba29baf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/_types.py @@ -0,0 +1,29 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat.primitives.asymmetric import ( + dsa, + ec, + ed25519, + ed448, + rsa, +) + + +_PUBLIC_KEY_TYPES = typing.Union[ + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, +] +_PRIVATE_KEY_TYPES = typing.Union[ + ed25519.Ed25519PrivateKey, + ed448.Ed448PrivateKey, + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, +] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/__init__.py new file mode 100644 index 0000000..72c65b1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/__init__.py @@ -0,0 +1,25 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +_default_backend: typing.Any = None + + +def default_backend(): + global _default_backend + + if _default_backend is None: + from cryptography.hazmat.backends.openssl.backend import backend + + _default_backend = backend + + return _default_backend + + +def _get_backend(backend): + if backend is None: + return default_backend() + else: + return backend diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/interfaces.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/interfaces.py new file mode 100644 index 0000000..c5dfed3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/interfaces.py @@ -0,0 +1,380 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + + +class CipherBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def cipher_supported(self, cipher, mode): + """ + Return True if the given cipher and mode are supported. + """ + + @abc.abstractmethod + def create_symmetric_encryption_ctx(self, cipher, mode): + """ + Get a CipherContext that can be used for encryption. + """ + + @abc.abstractmethod + def create_symmetric_decryption_ctx(self, cipher, mode): + """ + Get a CipherContext that can be used for decryption. + """ + + +class HashBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def hash_supported(self, algorithm): + """ + Return True if the hash algorithm is supported by this backend. + """ + + @abc.abstractmethod + def create_hash_ctx(self, algorithm): + """ + Create a HashContext for calculating a message digest. + """ + + +class HMACBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def hmac_supported(self, algorithm): + """ + Return True if the hash algorithm is supported for HMAC by this + backend. + """ + + @abc.abstractmethod + def create_hmac_ctx(self, key, algorithm): + """ + Create a context for calculating a message authentication code. + """ + + +class CMACBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def cmac_algorithm_supported(self, algorithm): + """ + Returns True if the block cipher is supported for CMAC by this backend + """ + + @abc.abstractmethod + def create_cmac_ctx(self, algorithm): + """ + Create a context for calculating a message authentication code. + """ + + +class PBKDF2HMACBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def pbkdf2_hmac_supported(self, algorithm): + """ + Return True if the hash algorithm is supported for PBKDF2 by this + backend. + """ + + @abc.abstractmethod + def derive_pbkdf2_hmac( + self, algorithm, length, salt, iterations, key_material + ): + """ + Return length bytes derived from provided PBKDF2 parameters. + """ + + +class RSABackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_rsa_private_key(self, public_exponent, key_size): + """ + Generate an RSAPrivateKey instance with public_exponent and a modulus + of key_size bits. + """ + + @abc.abstractmethod + def rsa_padding_supported(self, padding): + """ + Returns True if the backend supports the given padding options. + """ + + @abc.abstractmethod + def generate_rsa_parameters_supported(self, public_exponent, key_size): + """ + Returns True if the backend supports the given parameters for key + generation. + """ + + @abc.abstractmethod + def load_rsa_private_numbers(self, numbers): + """ + Returns an RSAPrivateKey provider. + """ + + @abc.abstractmethod + def load_rsa_public_numbers(self, numbers): + """ + Returns an RSAPublicKey provider. + """ + + +class DSABackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_dsa_parameters(self, key_size): + """ + Generate a DSAParameters instance with a modulus of key_size bits. + """ + + @abc.abstractmethod + def generate_dsa_private_key(self, parameters): + """ + Generate a DSAPrivateKey instance with parameters as a DSAParameters + object. + """ + + @abc.abstractmethod + def generate_dsa_private_key_and_parameters(self, key_size): + """ + Generate a DSAPrivateKey instance using key size only. + """ + + @abc.abstractmethod + def dsa_hash_supported(self, algorithm): + """ + Return True if the hash algorithm is supported by the backend for DSA. + """ + + @abc.abstractmethod + def dsa_parameters_supported(self, p, q, g): + """ + Return True if the parameters are supported by the backend for DSA. + """ + + @abc.abstractmethod + def load_dsa_private_numbers(self, numbers): + """ + Returns a DSAPrivateKey provider. + """ + + @abc.abstractmethod + def load_dsa_public_numbers(self, numbers): + """ + Returns a DSAPublicKey provider. + """ + + @abc.abstractmethod + def load_dsa_parameter_numbers(self, numbers): + """ + Returns a DSAParameters provider. + """ + + +class EllipticCurveBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def elliptic_curve_signature_algorithm_supported( + self, signature_algorithm, curve + ): + """ + Returns True if the backend supports the named elliptic curve with the + specified signature algorithm. + """ + + @abc.abstractmethod + def elliptic_curve_supported(self, curve): + """ + Returns True if the backend supports the named elliptic curve. + """ + + @abc.abstractmethod + def generate_elliptic_curve_private_key(self, curve): + """ + Return an object conforming to the EllipticCurvePrivateKey interface. + """ + + @abc.abstractmethod + def load_elliptic_curve_public_numbers(self, numbers): + """ + Return an EllipticCurvePublicKey provider using the given numbers. + """ + + @abc.abstractmethod + def load_elliptic_curve_private_numbers(self, numbers): + """ + Return an EllipticCurvePrivateKey provider using the given numbers. + """ + + @abc.abstractmethod + def elliptic_curve_exchange_algorithm_supported(self, algorithm, curve): + """ + Returns whether the exchange algorithm is supported by this backend. + """ + + @abc.abstractmethod + def derive_elliptic_curve_private_key(self, private_value, curve): + """ + Compute the private key given the private value and curve. + """ + + +class PEMSerializationBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def load_pem_private_key(self, data, password): + """ + Loads a private key from PEM encoded data, using the provided password + if the data is encrypted. + """ + + @abc.abstractmethod + def load_pem_public_key(self, data): + """ + Loads a public key from PEM encoded data. + """ + + @abc.abstractmethod + def load_pem_parameters(self, data): + """ + Load encryption parameters from PEM encoded data. + """ + + +class DERSerializationBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def load_der_private_key(self, data, password): + """ + Loads a private key from DER encoded data. Uses the provided password + if the data is encrypted. + """ + + @abc.abstractmethod + def load_der_public_key(self, data): + """ + Loads a public key from DER encoded data. + """ + + @abc.abstractmethod + def load_der_parameters(self, data): + """ + Load encryption parameters from DER encoded data. + """ + + +class X509Backend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def load_pem_x509_certificate(self, data): + """ + Load an X.509 certificate from PEM encoded data. + """ + + @abc.abstractmethod + def load_der_x509_certificate(self, data): + """ + Load an X.509 certificate from DER encoded data. + """ + + @abc.abstractmethod + def load_der_x509_csr(self, data): + """ + Load an X.509 CSR from DER encoded data. + """ + + @abc.abstractmethod + def load_pem_x509_csr(self, data): + """ + Load an X.509 CSR from PEM encoded data. + """ + + @abc.abstractmethod + def create_x509_csr(self, builder, private_key, algorithm): + """ + Create and sign an X.509 CSR from a CSR builder object. + """ + + @abc.abstractmethod + def create_x509_certificate(self, builder, private_key, algorithm): + """ + Create and sign an X.509 certificate from a CertificateBuilder object. + """ + + @abc.abstractmethod + def create_x509_crl(self, builder, private_key, algorithm): + """ + Create and sign an X.509 CertificateRevocationList from a + CertificateRevocationListBuilder object. + """ + + @abc.abstractmethod + def create_x509_revoked_certificate(self, builder): + """ + Create a RevokedCertificate object from a RevokedCertificateBuilder + object. + """ + + @abc.abstractmethod + def x509_name_bytes(self, name): + """ + Compute the DER encoded bytes of an X509 Name object. + """ + + +class DHBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_dh_parameters(self, generator, key_size): + """ + Generate a DHParameters instance with a modulus of key_size bits. + Using the given generator. Often 2 or 5. + """ + + @abc.abstractmethod + def generate_dh_private_key(self, parameters): + """ + Generate a DHPrivateKey instance with parameters as a DHParameters + object. + """ + + @abc.abstractmethod + def generate_dh_private_key_and_parameters(self, generator, key_size): + """ + Generate a DHPrivateKey instance using key size only. + Using the given generator. Often 2 or 5. + """ + + @abc.abstractmethod + def load_dh_private_numbers(self, numbers): + """ + Load a DHPrivateKey from DHPrivateNumbers + """ + + @abc.abstractmethod + def load_dh_public_numbers(self, numbers): + """ + Load a DHPublicKey from DHPublicNumbers. + """ + + @abc.abstractmethod + def load_dh_parameter_numbers(self, numbers): + """ + Load DHParameters from DHParameterNumbers. + """ + + @abc.abstractmethod + def dh_parameters_supported(self, p, g, q=None): + """ + Returns whether the backend supports DH with these parameter values. + """ + + @abc.abstractmethod + def dh_x942_serialization_supported(self): + """ + Returns True if the backend supports the serialization of DH objects + with subgroup order (q). + """ + + +class ScryptBackend(metaclass=abc.ABCMeta): + @abc.abstractmethod + def derive_scrypt(self, key_material, salt, length, n, r, p): + """ + Return bytes derived from provided Scrypt parameters. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/__init__.py new file mode 100644 index 0000000..31fd17c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/__init__.py @@ -0,0 +1,9 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.hazmat.backends.openssl.backend import backend + + +__all__ = ["backend"] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/aead.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/aead.py new file mode 100644 index 0000000..7923831 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/aead.py @@ -0,0 +1,165 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.exceptions import InvalidTag + + +_ENCRYPT = 1 +_DECRYPT = 0 + + +def _aead_cipher_name(cipher): + from cryptography.hazmat.primitives.ciphers.aead import ( + AESCCM, + AESGCM, + ChaCha20Poly1305, + ) + + if isinstance(cipher, ChaCha20Poly1305): + return b"chacha20-poly1305" + elif isinstance(cipher, AESCCM): + return "aes-{}-ccm".format(len(cipher._key) * 8).encode("ascii") + else: + assert isinstance(cipher, AESGCM) + return "aes-{}-gcm".format(len(cipher._key) * 8).encode("ascii") + + +def _aead_setup(backend, cipher_name, key, nonce, tag, tag_len, operation): + evp_cipher = backend._lib.EVP_get_cipherbyname(cipher_name) + backend.openssl_assert(evp_cipher != backend._ffi.NULL) + ctx = backend._lib.EVP_CIPHER_CTX_new() + ctx = backend._ffi.gc(ctx, backend._lib.EVP_CIPHER_CTX_free) + res = backend._lib.EVP_CipherInit_ex( + ctx, + evp_cipher, + backend._ffi.NULL, + backend._ffi.NULL, + backend._ffi.NULL, + int(operation == _ENCRYPT), + ) + backend.openssl_assert(res != 0) + res = backend._lib.EVP_CIPHER_CTX_set_key_length(ctx, len(key)) + backend.openssl_assert(res != 0) + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + backend._lib.EVP_CTRL_AEAD_SET_IVLEN, + len(nonce), + backend._ffi.NULL, + ) + backend.openssl_assert(res != 0) + if operation == _DECRYPT: + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, backend._lib.EVP_CTRL_AEAD_SET_TAG, len(tag), tag + ) + backend.openssl_assert(res != 0) + elif cipher_name.endswith(b"-ccm"): + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, backend._lib.EVP_CTRL_AEAD_SET_TAG, tag_len, backend._ffi.NULL + ) + backend.openssl_assert(res != 0) + + nonce_ptr = backend._ffi.from_buffer(nonce) + key_ptr = backend._ffi.from_buffer(key) + res = backend._lib.EVP_CipherInit_ex( + ctx, + backend._ffi.NULL, + backend._ffi.NULL, + key_ptr, + nonce_ptr, + int(operation == _ENCRYPT), + ) + backend.openssl_assert(res != 0) + return ctx + + +def _set_length(backend, ctx, data_len): + intptr = backend._ffi.new("int *") + res = backend._lib.EVP_CipherUpdate( + ctx, backend._ffi.NULL, intptr, backend._ffi.NULL, data_len + ) + backend.openssl_assert(res != 0) + + +def _process_aad(backend, ctx, associated_data): + outlen = backend._ffi.new("int *") + res = backend._lib.EVP_CipherUpdate( + ctx, backend._ffi.NULL, outlen, associated_data, len(associated_data) + ) + backend.openssl_assert(res != 0) + + +def _process_data(backend, ctx, data): + outlen = backend._ffi.new("int *") + buf = backend._ffi.new("unsigned char[]", len(data)) + res = backend._lib.EVP_CipherUpdate(ctx, buf, outlen, data, len(data)) + backend.openssl_assert(res != 0) + return backend._ffi.buffer(buf, outlen[0])[:] + + +def _encrypt(backend, cipher, nonce, data, associated_data, tag_length): + from cryptography.hazmat.primitives.ciphers.aead import AESCCM + + cipher_name = _aead_cipher_name(cipher) + ctx = _aead_setup( + backend, cipher_name, cipher._key, nonce, None, tag_length, _ENCRYPT + ) + # CCM requires us to pass the length of the data before processing anything + # However calling this with any other AEAD results in an error + if isinstance(cipher, AESCCM): + _set_length(backend, ctx, len(data)) + + _process_aad(backend, ctx, associated_data) + processed_data = _process_data(backend, ctx, data) + outlen = backend._ffi.new("int *") + res = backend._lib.EVP_CipherFinal_ex(ctx, backend._ffi.NULL, outlen) + backend.openssl_assert(res != 0) + backend.openssl_assert(outlen[0] == 0) + tag_buf = backend._ffi.new("unsigned char[]", tag_length) + res = backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, backend._lib.EVP_CTRL_AEAD_GET_TAG, tag_length, tag_buf + ) + backend.openssl_assert(res != 0) + tag = backend._ffi.buffer(tag_buf)[:] + + return processed_data + tag + + +def _decrypt(backend, cipher, nonce, data, associated_data, tag_length): + from cryptography.hazmat.primitives.ciphers.aead import AESCCM + + if len(data) < tag_length: + raise InvalidTag + tag = data[-tag_length:] + data = data[:-tag_length] + cipher_name = _aead_cipher_name(cipher) + ctx = _aead_setup( + backend, cipher_name, cipher._key, nonce, tag, tag_length, _DECRYPT + ) + # CCM requires us to pass the length of the data before processing anything + # However calling this with any other AEAD results in an error + if isinstance(cipher, AESCCM): + _set_length(backend, ctx, len(data)) + + _process_aad(backend, ctx, associated_data) + # CCM has a different error path if the tag doesn't match. Errors are + # raised in Update and Final is irrelevant. + if isinstance(cipher, AESCCM): + outlen = backend._ffi.new("int *") + buf = backend._ffi.new("unsigned char[]", len(data)) + res = backend._lib.EVP_CipherUpdate(ctx, buf, outlen, data, len(data)) + if res != 1: + backend._consume_errors() + raise InvalidTag + + processed_data = backend._ffi.buffer(buf, outlen[0])[:] + else: + processed_data = _process_data(backend, ctx, data) + outlen = backend._ffi.new("int *") + res = backend._lib.EVP_CipherFinal_ex(ctx, backend._ffi.NULL, outlen) + if res == 0: + backend._consume_errors() + raise InvalidTag + + return processed_data diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/backend.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/backend.py new file mode 100644 index 0000000..271873d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/backend.py @@ -0,0 +1,2749 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import collections +import contextlib +import itertools +import warnings +from contextlib import contextmanager + +from cryptography import utils, x509 +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat._der import ( + INTEGER, + NULL, + SEQUENCE, + encode_der, + encode_der_integer, +) +from cryptography.hazmat.backends.interfaces import ( + CMACBackend, + CipherBackend, + DERSerializationBackend, + DHBackend, + DSABackend, + EllipticCurveBackend, + HMACBackend, + HashBackend, + PBKDF2HMACBackend, + PEMSerializationBackend, + RSABackend, + ScryptBackend, + X509Backend, +) +from cryptography.hazmat.backends.openssl import aead +from cryptography.hazmat.backends.openssl.ciphers import _CipherContext +from cryptography.hazmat.backends.openssl.cmac import _CMACContext +from cryptography.hazmat.backends.openssl.decode_asn1 import ( + _CRL_ENTRY_REASON_ENUM_TO_CODE, + _CRL_EXTENSION_HANDLERS, + _EXTENSION_HANDLERS_BASE, + _EXTENSION_HANDLERS_SCT, + _OCSP_BASICRESP_EXTENSION_HANDLERS, + _OCSP_REQ_EXTENSION_HANDLERS, + _OCSP_SINGLERESP_EXTENSION_HANDLERS_SCT, + _REVOKED_EXTENSION_HANDLERS, + _X509ExtensionParser, +) +from cryptography.hazmat.backends.openssl.dh import ( + _DHParameters, + _DHPrivateKey, + _DHPublicKey, + _dh_params_dup, +) +from cryptography.hazmat.backends.openssl.dsa import ( + _DSAParameters, + _DSAPrivateKey, + _DSAPublicKey, +) +from cryptography.hazmat.backends.openssl.ec import ( + _EllipticCurvePrivateKey, + _EllipticCurvePublicKey, +) +from cryptography.hazmat.backends.openssl.ed25519 import ( + _Ed25519PrivateKey, + _Ed25519PublicKey, +) +from cryptography.hazmat.backends.openssl.ed448 import ( + _ED448_KEY_SIZE, + _Ed448PrivateKey, + _Ed448PublicKey, +) +from cryptography.hazmat.backends.openssl.encode_asn1 import ( + _CRL_ENTRY_EXTENSION_ENCODE_HANDLERS, + _CRL_EXTENSION_ENCODE_HANDLERS, + _EXTENSION_ENCODE_HANDLERS, + _OCSP_BASICRESP_EXTENSION_ENCODE_HANDLERS, + _OCSP_REQUEST_EXTENSION_ENCODE_HANDLERS, + _encode_asn1_int_gc, + _encode_asn1_str_gc, + _encode_name_gc, + _txt2obj_gc, +) +from cryptography.hazmat.backends.openssl.hashes import _HashContext +from cryptography.hazmat.backends.openssl.hmac import _HMACContext +from cryptography.hazmat.backends.openssl.ocsp import ( + _OCSPRequest, + _OCSPResponse, +) +from cryptography.hazmat.backends.openssl.poly1305 import ( + _POLY1305_KEY_SIZE, + _Poly1305Context, +) +from cryptography.hazmat.backends.openssl.rsa import ( + _RSAPrivateKey, + _RSAPublicKey, +) +from cryptography.hazmat.backends.openssl.x25519 import ( + _X25519PrivateKey, + _X25519PublicKey, +) +from cryptography.hazmat.backends.openssl.x448 import ( + _X448PrivateKey, + _X448PublicKey, +) +from cryptography.hazmat.backends.openssl.x509 import ( + _Certificate, + _CertificateRevocationList, + _CertificateSigningRequest, + _RevokedCertificate, +) +from cryptography.hazmat.bindings.openssl import binding +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + dh, + dsa, + ec, + ed25519, + ed448, + rsa, +) +from cryptography.hazmat.primitives.asymmetric.padding import ( + MGF1, + OAEP, + PKCS1v15, + PSS, +) +from cryptography.hazmat.primitives.ciphers.algorithms import ( + AES, + ARC4, + Blowfish, + CAST5, + Camellia, + ChaCha20, + IDEA, + SEED, + TripleDES, +) +from cryptography.hazmat.primitives.ciphers.modes import ( + CBC, + CFB, + CFB8, + CTR, + ECB, + GCM, + OFB, + XTS, +) +from cryptography.hazmat.primitives.kdf import scrypt +from cryptography.hazmat.primitives.serialization import pkcs7, ssh +from cryptography.x509 import ocsp + + +_MemoryBIO = collections.namedtuple("_MemoryBIO", ["bio", "char_ptr"]) + + +# Not actually supported, just used as a marker for some serialization tests. +class _RC2(object): + pass + + +@utils.register_interface(CipherBackend) +@utils.register_interface(CMACBackend) +@utils.register_interface(DERSerializationBackend) +@utils.register_interface(DHBackend) +@utils.register_interface(DSABackend) +@utils.register_interface(EllipticCurveBackend) +@utils.register_interface(HashBackend) +@utils.register_interface(HMACBackend) +@utils.register_interface(PBKDF2HMACBackend) +@utils.register_interface(RSABackend) +@utils.register_interface(PEMSerializationBackend) +@utils.register_interface(X509Backend) +@utils.register_interface_if( + binding.Binding().lib.Cryptography_HAS_SCRYPT, ScryptBackend +) +class Backend(object): + """ + OpenSSL API binding interfaces. + """ + + name = "openssl" + + # FIPS has opinions about acceptable algorithms and key sizes, but the + # disallowed algorithms are still present in OpenSSL. They just error if + # you try to use them. To avoid that we allowlist the algorithms in + # FIPS 140-3. This isn't ideal, but FIPS 140-3 is trash so here we are. + _fips_aead = { + b"aes-128-ccm", + b"aes-192-ccm", + b"aes-256-ccm", + b"aes-128-gcm", + b"aes-192-gcm", + b"aes-256-gcm", + } + _fips_ciphers = (AES, TripleDES) + _fips_hashes = ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + hashes.SHA512_224, + hashes.SHA512_256, + hashes.SHA3_224, + hashes.SHA3_256, + hashes.SHA3_384, + hashes.SHA3_512, + hashes.SHAKE128, + hashes.SHAKE256, + ) + _fips_rsa_min_key_size = 2048 + _fips_rsa_min_public_exponent = 65537 + _fips_dsa_min_modulus = 1 << 2048 + _fips_dh_min_key_size = 2048 + _fips_dh_min_modulus = 1 << _fips_dh_min_key_size + + def __init__(self): + self._binding = binding.Binding() + self._ffi = self._binding.ffi + self._lib = self._binding.lib + self._fips_enabled = self._is_fips_enabled() + + self._cipher_registry = {} + self._register_default_ciphers() + self._register_x509_ext_parsers() + self._register_x509_encoders() + if self._fips_enabled and self._lib.CRYPTOGRAPHY_NEEDS_OSRANDOM_ENGINE: + warnings.warn( + "OpenSSL FIPS mode is enabled. Can't enable DRBG fork safety.", + UserWarning, + ) + else: + self.activate_osrandom_engine() + self._dh_types = [self._lib.EVP_PKEY_DH] + if self._lib.Cryptography_HAS_EVP_PKEY_DHX: + self._dh_types.append(self._lib.EVP_PKEY_DHX) + + def openssl_assert(self, ok, errors=None): + return binding._openssl_assert(self._lib, ok, errors=errors) + + def _is_fips_enabled(self): + fips_mode = getattr(self._lib, "FIPS_mode", lambda: 0) + mode = fips_mode() + if mode == 0: + # OpenSSL without FIPS pushes an error on the error stack + self._lib.ERR_clear_error() + return bool(mode) + + def activate_builtin_random(self): + if self._lib.CRYPTOGRAPHY_NEEDS_OSRANDOM_ENGINE: + # Obtain a new structural reference. + e = self._lib.ENGINE_get_default_RAND() + if e != self._ffi.NULL: + self._lib.ENGINE_unregister_RAND(e) + # Reset the RNG to use the built-in. + res = self._lib.RAND_set_rand_method(self._ffi.NULL) + self.openssl_assert(res == 1) + # decrement the structural reference from get_default_RAND + res = self._lib.ENGINE_finish(e) + self.openssl_assert(res == 1) + + @contextlib.contextmanager + def _get_osurandom_engine(self): + # Fetches an engine by id and returns it. This creates a structural + # reference. + e = self._lib.ENGINE_by_id(self._lib.Cryptography_osrandom_engine_id) + self.openssl_assert(e != self._ffi.NULL) + # Initialize the engine for use. This adds a functional reference. + res = self._lib.ENGINE_init(e) + self.openssl_assert(res == 1) + + try: + yield e + finally: + # Decrement the structural ref incremented by ENGINE_by_id. + res = self._lib.ENGINE_free(e) + self.openssl_assert(res == 1) + # Decrement the functional ref incremented by ENGINE_init. + res = self._lib.ENGINE_finish(e) + self.openssl_assert(res == 1) + + def activate_osrandom_engine(self): + if self._lib.CRYPTOGRAPHY_NEEDS_OSRANDOM_ENGINE: + # Unregister and free the current engine. + self.activate_builtin_random() + with self._get_osurandom_engine() as e: + # Set the engine as the default RAND provider. + res = self._lib.ENGINE_set_default_RAND(e) + self.openssl_assert(res == 1) + # Reset the RNG to use the engine + res = self._lib.RAND_set_rand_method(self._ffi.NULL) + self.openssl_assert(res == 1) + + def osrandom_engine_implementation(self): + buf = self._ffi.new("char[]", 64) + with self._get_osurandom_engine() as e: + res = self._lib.ENGINE_ctrl_cmd( + e, b"get_implementation", len(buf), buf, self._ffi.NULL, 0 + ) + self.openssl_assert(res > 0) + return self._ffi.string(buf).decode("ascii") + + def openssl_version_text(self): + """ + Friendly string name of the loaded OpenSSL library. This is not + necessarily the same version as it was compiled against. + + Example: OpenSSL 1.1.1d 10 Sep 2019 + """ + return self._ffi.string( + self._lib.OpenSSL_version(self._lib.OPENSSL_VERSION) + ).decode("ascii") + + def openssl_version_number(self): + return self._lib.OpenSSL_version_num() + + def create_hmac_ctx(self, key, algorithm): + return _HMACContext(self, key, algorithm) + + def _evp_md_from_algorithm(self, algorithm): + if algorithm.name == "blake2b" or algorithm.name == "blake2s": + alg = "{}{}".format( + algorithm.name, algorithm.digest_size * 8 + ).encode("ascii") + else: + alg = algorithm.name.encode("ascii") + + evp_md = self._lib.EVP_get_digestbyname(alg) + return evp_md + + def _evp_md_non_null_from_algorithm(self, algorithm): + evp_md = self._evp_md_from_algorithm(algorithm) + self.openssl_assert(evp_md != self._ffi.NULL) + return evp_md + + def hash_supported(self, algorithm): + if self._fips_enabled and not isinstance(algorithm, self._fips_hashes): + return False + + evp_md = self._evp_md_from_algorithm(algorithm) + return evp_md != self._ffi.NULL + + def hmac_supported(self, algorithm): + return self.hash_supported(algorithm) + + def create_hash_ctx(self, algorithm): + return _HashContext(self, algorithm) + + def cipher_supported(self, cipher, mode): + if self._fips_enabled and not isinstance(cipher, self._fips_ciphers): + return False + try: + adapter = self._cipher_registry[type(cipher), type(mode)] + except KeyError: + return False + evp_cipher = adapter(self, cipher, mode) + return self._ffi.NULL != evp_cipher + + def register_cipher_adapter(self, cipher_cls, mode_cls, adapter): + if (cipher_cls, mode_cls) in self._cipher_registry: + raise ValueError( + "Duplicate registration for: {} {}.".format( + cipher_cls, mode_cls + ) + ) + self._cipher_registry[cipher_cls, mode_cls] = adapter + + def _register_default_ciphers(self): + for mode_cls in [CBC, CTR, ECB, OFB, CFB, CFB8, GCM]: + self.register_cipher_adapter( + AES, + mode_cls, + GetCipherByName("{cipher.name}-{cipher.key_size}-{mode.name}"), + ) + for mode_cls in [CBC, CTR, ECB, OFB, CFB]: + self.register_cipher_adapter( + Camellia, + mode_cls, + GetCipherByName("{cipher.name}-{cipher.key_size}-{mode.name}"), + ) + for mode_cls in [CBC, CFB, CFB8, OFB]: + self.register_cipher_adapter( + TripleDES, mode_cls, GetCipherByName("des-ede3-{mode.name}") + ) + self.register_cipher_adapter( + TripleDES, ECB, GetCipherByName("des-ede3") + ) + for mode_cls in [CBC, CFB, OFB, ECB]: + self.register_cipher_adapter( + Blowfish, mode_cls, GetCipherByName("bf-{mode.name}") + ) + for mode_cls in [CBC, CFB, OFB, ECB]: + self.register_cipher_adapter( + SEED, mode_cls, GetCipherByName("seed-{mode.name}") + ) + for cipher_cls, mode_cls in itertools.product( + [CAST5, IDEA], + [CBC, OFB, CFB, ECB], + ): + self.register_cipher_adapter( + cipher_cls, + mode_cls, + GetCipherByName("{cipher.name}-{mode.name}"), + ) + self.register_cipher_adapter(ARC4, type(None), GetCipherByName("rc4")) + # We don't actually support RC2, this is just used by some tests. + self.register_cipher_adapter(_RC2, type(None), GetCipherByName("rc2")) + self.register_cipher_adapter( + ChaCha20, type(None), GetCipherByName("chacha20") + ) + self.register_cipher_adapter(AES, XTS, _get_xts_cipher) + + def _register_x509_ext_parsers(self): + ext_handlers = _EXTENSION_HANDLERS_BASE.copy() + # All revoked extensions are valid single response extensions, see: + # https://tools.ietf.org/html/rfc6960#section-4.4.5 + singleresp_handlers = _REVOKED_EXTENSION_HANDLERS.copy() + + if self._lib.Cryptography_HAS_SCT: + ext_handlers.update(_EXTENSION_HANDLERS_SCT) + singleresp_handlers.update(_OCSP_SINGLERESP_EXTENSION_HANDLERS_SCT) + + self._certificate_extension_parser = _X509ExtensionParser( + self, + ext_count=self._lib.X509_get_ext_count, + get_ext=self._lib.X509_get_ext, + handlers=ext_handlers, + ) + self._csr_extension_parser = _X509ExtensionParser( + self, + ext_count=self._lib.sk_X509_EXTENSION_num, + get_ext=self._lib.sk_X509_EXTENSION_value, + handlers=ext_handlers, + ) + self._revoked_cert_extension_parser = _X509ExtensionParser( + self, + ext_count=self._lib.X509_REVOKED_get_ext_count, + get_ext=self._lib.X509_REVOKED_get_ext, + handlers=_REVOKED_EXTENSION_HANDLERS, + ) + self._crl_extension_parser = _X509ExtensionParser( + self, + ext_count=self._lib.X509_CRL_get_ext_count, + get_ext=self._lib.X509_CRL_get_ext, + handlers=_CRL_EXTENSION_HANDLERS, + ) + self._ocsp_req_ext_parser = _X509ExtensionParser( + self, + ext_count=self._lib.OCSP_REQUEST_get_ext_count, + get_ext=self._lib.OCSP_REQUEST_get_ext, + handlers=_OCSP_REQ_EXTENSION_HANDLERS, + ) + self._ocsp_basicresp_ext_parser = _X509ExtensionParser( + self, + ext_count=self._lib.OCSP_BASICRESP_get_ext_count, + get_ext=self._lib.OCSP_BASICRESP_get_ext, + handlers=_OCSP_BASICRESP_EXTENSION_HANDLERS, + ) + self._ocsp_singleresp_ext_parser = _X509ExtensionParser( + self, + ext_count=self._lib.OCSP_SINGLERESP_get_ext_count, + get_ext=self._lib.OCSP_SINGLERESP_get_ext, + handlers=singleresp_handlers, + ) + + def _register_x509_encoders(self): + self._extension_encode_handlers = _EXTENSION_ENCODE_HANDLERS.copy() + self._crl_extension_encode_handlers = ( + _CRL_EXTENSION_ENCODE_HANDLERS.copy() + ) + self._crl_entry_extension_encode_handlers = ( + _CRL_ENTRY_EXTENSION_ENCODE_HANDLERS.copy() + ) + self._ocsp_request_extension_encode_handlers = ( + _OCSP_REQUEST_EXTENSION_ENCODE_HANDLERS.copy() + ) + self._ocsp_basicresp_extension_encode_handlers = ( + _OCSP_BASICRESP_EXTENSION_ENCODE_HANDLERS.copy() + ) + + def create_symmetric_encryption_ctx(self, cipher, mode): + return _CipherContext(self, cipher, mode, _CipherContext._ENCRYPT) + + def create_symmetric_decryption_ctx(self, cipher, mode): + return _CipherContext(self, cipher, mode, _CipherContext._DECRYPT) + + def pbkdf2_hmac_supported(self, algorithm): + return self.hmac_supported(algorithm) + + def derive_pbkdf2_hmac( + self, algorithm, length, salt, iterations, key_material + ): + buf = self._ffi.new("unsigned char[]", length) + evp_md = self._evp_md_non_null_from_algorithm(algorithm) + key_material_ptr = self._ffi.from_buffer(key_material) + res = self._lib.PKCS5_PBKDF2_HMAC( + key_material_ptr, + len(key_material), + salt, + len(salt), + iterations, + evp_md, + length, + buf, + ) + self.openssl_assert(res == 1) + return self._ffi.buffer(buf)[:] + + def _consume_errors(self): + return binding._consume_errors(self._lib) + + def _consume_errors_with_text(self): + return binding._consume_errors_with_text(self._lib) + + def _bn_to_int(self, bn): + assert bn != self._ffi.NULL + + bn_num_bytes = self._lib.BN_num_bytes(bn) + bin_ptr = self._ffi.new("unsigned char[]", bn_num_bytes) + bin_len = self._lib.BN_bn2bin(bn, bin_ptr) + # A zero length means the BN has value 0 + self.openssl_assert(bin_len >= 0) + val = int.from_bytes(self._ffi.buffer(bin_ptr)[:bin_len], "big") + if self._lib.BN_is_negative(bn): + val = -val + return val + + def _int_to_bn(self, num, bn=None): + """ + Converts a python integer to a BIGNUM. The returned BIGNUM will not + be garbage collected (to support adding them to structs that take + ownership of the object). Be sure to register it for GC if it will + be discarded after use. + """ + assert bn is None or bn != self._ffi.NULL + + if bn is None: + bn = self._ffi.NULL + + binary = num.to_bytes(int(num.bit_length() / 8.0 + 1), "big") + bn_ptr = self._lib.BN_bin2bn(binary, len(binary), bn) + self.openssl_assert(bn_ptr != self._ffi.NULL) + return bn_ptr + + def generate_rsa_private_key(self, public_exponent, key_size): + rsa._verify_rsa_parameters(public_exponent, key_size) + + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + + bn = self._int_to_bn(public_exponent) + bn = self._ffi.gc(bn, self._lib.BN_free) + + res = self._lib.RSA_generate_key_ex( + rsa_cdata, key_size, bn, self._ffi.NULL + ) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + return _RSAPrivateKey(self, rsa_cdata, evp_pkey) + + def generate_rsa_parameters_supported(self, public_exponent, key_size): + return ( + public_exponent >= 3 + and public_exponent & 1 != 0 + and key_size >= 512 + ) + + def load_rsa_private_numbers(self, numbers): + rsa._check_private_key_components( + numbers.p, + numbers.q, + numbers.d, + numbers.dmp1, + numbers.dmq1, + numbers.iqmp, + numbers.public_numbers.e, + numbers.public_numbers.n, + ) + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + p = self._int_to_bn(numbers.p) + q = self._int_to_bn(numbers.q) + d = self._int_to_bn(numbers.d) + dmp1 = self._int_to_bn(numbers.dmp1) + dmq1 = self._int_to_bn(numbers.dmq1) + iqmp = self._int_to_bn(numbers.iqmp) + e = self._int_to_bn(numbers.public_numbers.e) + n = self._int_to_bn(numbers.public_numbers.n) + res = self._lib.RSA_set0_factors(rsa_cdata, p, q) + self.openssl_assert(res == 1) + res = self._lib.RSA_set0_key(rsa_cdata, n, e, d) + self.openssl_assert(res == 1) + res = self._lib.RSA_set0_crt_params(rsa_cdata, dmp1, dmq1, iqmp) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + return _RSAPrivateKey(self, rsa_cdata, evp_pkey) + + def load_rsa_public_numbers(self, numbers): + rsa._check_public_key_components(numbers.e, numbers.n) + rsa_cdata = self._lib.RSA_new() + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + e = self._int_to_bn(numbers.e) + n = self._int_to_bn(numbers.n) + res = self._lib.RSA_set0_key(rsa_cdata, n, e, self._ffi.NULL) + self.openssl_assert(res == 1) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + + def _create_evp_pkey_gc(self): + evp_pkey = self._lib.EVP_PKEY_new() + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return evp_pkey + + def _rsa_cdata_to_evp_pkey(self, rsa_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_RSA(evp_pkey, rsa_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def _bytes_to_bio(self, data): + """ + Return a _MemoryBIO namedtuple of (BIO, char*). + + The char* is the storage for the BIO and it must stay alive until the + BIO is finished with. + """ + data_ptr = self._ffi.from_buffer(data) + bio = self._lib.BIO_new_mem_buf(data_ptr, len(data)) + self.openssl_assert(bio != self._ffi.NULL) + + return _MemoryBIO(self._ffi.gc(bio, self._lib.BIO_free), data_ptr) + + def _create_mem_bio_gc(self): + """ + Creates an empty memory BIO. + """ + bio_method = self._lib.BIO_s_mem() + self.openssl_assert(bio_method != self._ffi.NULL) + bio = self._lib.BIO_new(bio_method) + self.openssl_assert(bio != self._ffi.NULL) + bio = self._ffi.gc(bio, self._lib.BIO_free) + return bio + + def _read_mem_bio(self, bio): + """ + Reads a memory BIO. This only works on memory BIOs. + """ + buf = self._ffi.new("char **") + buf_len = self._lib.BIO_get_mem_data(bio, buf) + self.openssl_assert(buf_len > 0) + self.openssl_assert(buf[0] != self._ffi.NULL) + bio_data = self._ffi.buffer(buf[0], buf_len)[:] + return bio_data + + def _evp_pkey_to_private_key(self, evp_pkey): + """ + Return the appropriate type of PrivateKey given an evp_pkey cdata + pointer. + """ + + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if key_type == self._lib.EVP_PKEY_RSA: + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + return _RSAPrivateKey(self, rsa_cdata, evp_pkey) + elif key_type == self._lib.EVP_PKEY_DSA: + dsa_cdata = self._lib.EVP_PKEY_get1_DSA(evp_pkey) + self.openssl_assert(dsa_cdata != self._ffi.NULL) + dsa_cdata = self._ffi.gc(dsa_cdata, self._lib.DSA_free) + return _DSAPrivateKey(self, dsa_cdata, evp_pkey) + elif key_type == self._lib.EVP_PKEY_EC: + ec_cdata = self._lib.EVP_PKEY_get1_EC_KEY(evp_pkey) + self.openssl_assert(ec_cdata != self._ffi.NULL) + ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + elif key_type in self._dh_types: + dh_cdata = self._lib.EVP_PKEY_get1_DH(evp_pkey) + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + return _DHPrivateKey(self, dh_cdata, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_ED25519", None): + # EVP_PKEY_ED25519 is not present in OpenSSL < 1.1.1 + return _Ed25519PrivateKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_X448", None): + # EVP_PKEY_X448 is not present in OpenSSL < 1.1.1 + return _X448PrivateKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_X25519", None): + # EVP_PKEY_X25519 is not present in OpenSSL < 1.1.0 + return _X25519PrivateKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_ED448", None): + # EVP_PKEY_ED448 is not present in OpenSSL < 1.1.1 + return _Ed448PrivateKey(self, evp_pkey) + else: + raise UnsupportedAlgorithm("Unsupported key type.") + + def _evp_pkey_to_public_key(self, evp_pkey): + """ + Return the appropriate type of PublicKey given an evp_pkey cdata + pointer. + """ + + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if key_type == self._lib.EVP_PKEY_RSA: + rsa_cdata = self._lib.EVP_PKEY_get1_RSA(evp_pkey) + self.openssl_assert(rsa_cdata != self._ffi.NULL) + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + elif key_type == self._lib.EVP_PKEY_DSA: + dsa_cdata = self._lib.EVP_PKEY_get1_DSA(evp_pkey) + self.openssl_assert(dsa_cdata != self._ffi.NULL) + dsa_cdata = self._ffi.gc(dsa_cdata, self._lib.DSA_free) + return _DSAPublicKey(self, dsa_cdata, evp_pkey) + elif key_type == self._lib.EVP_PKEY_EC: + ec_cdata = self._lib.EVP_PKEY_get1_EC_KEY(evp_pkey) + self.openssl_assert(ec_cdata != self._ffi.NULL) + ec_cdata = self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + elif key_type in self._dh_types: + dh_cdata = self._lib.EVP_PKEY_get1_DH(evp_pkey) + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + return _DHPublicKey(self, dh_cdata, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_ED25519", None): + # EVP_PKEY_ED25519 is not present in OpenSSL < 1.1.1 + return _Ed25519PublicKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_X448", None): + # EVP_PKEY_X448 is not present in OpenSSL < 1.1.1 + return _X448PublicKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_X25519", None): + # EVP_PKEY_X25519 is not present in OpenSSL < 1.1.0 + return _X25519PublicKey(self, evp_pkey) + elif key_type == getattr(self._lib, "EVP_PKEY_ED448", None): + # EVP_PKEY_X25519 is not present in OpenSSL < 1.1.1 + return _Ed448PublicKey(self, evp_pkey) + else: + raise UnsupportedAlgorithm("Unsupported key type.") + + def _oaep_hash_supported(self, algorithm): + if self._lib.Cryptography_HAS_RSA_OAEP_MD: + return isinstance( + algorithm, + ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + ), + ) + else: + return isinstance(algorithm, hashes.SHA1) + + def rsa_padding_supported(self, padding): + if isinstance(padding, PKCS1v15): + return True + elif isinstance(padding, PSS) and isinstance(padding._mgf, MGF1): + return self.hash_supported(padding._mgf._algorithm) + elif isinstance(padding, OAEP) and isinstance(padding._mgf, MGF1): + return ( + self._oaep_hash_supported(padding._mgf._algorithm) + and self._oaep_hash_supported(padding._algorithm) + and ( + (padding._label is None or len(padding._label) == 0) + or self._lib.Cryptography_HAS_RSA_OAEP_LABEL == 1 + ) + ) + else: + return False + + def generate_dsa_parameters(self, key_size): + if key_size not in (1024, 2048, 3072, 4096): + raise ValueError( + "Key size must be 1024, 2048, 3072, or 4096 bits." + ) + + ctx = self._lib.DSA_new() + self.openssl_assert(ctx != self._ffi.NULL) + ctx = self._ffi.gc(ctx, self._lib.DSA_free) + + res = self._lib.DSA_generate_parameters_ex( + ctx, + key_size, + self._ffi.NULL, + 0, + self._ffi.NULL, + self._ffi.NULL, + self._ffi.NULL, + ) + + self.openssl_assert(res == 1) + + return _DSAParameters(self, ctx) + + def generate_dsa_private_key(self, parameters): + ctx = self._lib.DSAparams_dup(parameters._dsa_cdata) + self.openssl_assert(ctx != self._ffi.NULL) + ctx = self._ffi.gc(ctx, self._lib.DSA_free) + self._lib.DSA_generate_key(ctx) + evp_pkey = self._dsa_cdata_to_evp_pkey(ctx) + + return _DSAPrivateKey(self, ctx, evp_pkey) + + def generate_dsa_private_key_and_parameters(self, key_size): + parameters = self.generate_dsa_parameters(key_size) + return self.generate_dsa_private_key(parameters) + + def _dsa_cdata_set_values(self, dsa_cdata, p, q, g, pub_key, priv_key): + res = self._lib.DSA_set0_pqg(dsa_cdata, p, q, g) + self.openssl_assert(res == 1) + res = self._lib.DSA_set0_key(dsa_cdata, pub_key, priv_key) + self.openssl_assert(res == 1) + + def load_dsa_private_numbers(self, numbers): + dsa._check_dsa_private_numbers(numbers) + parameter_numbers = numbers.public_numbers.parameter_numbers + + dsa_cdata = self._lib.DSA_new() + self.openssl_assert(dsa_cdata != self._ffi.NULL) + dsa_cdata = self._ffi.gc(dsa_cdata, self._lib.DSA_free) + + p = self._int_to_bn(parameter_numbers.p) + q = self._int_to_bn(parameter_numbers.q) + g = self._int_to_bn(parameter_numbers.g) + pub_key = self._int_to_bn(numbers.public_numbers.y) + priv_key = self._int_to_bn(numbers.x) + self._dsa_cdata_set_values(dsa_cdata, p, q, g, pub_key, priv_key) + + evp_pkey = self._dsa_cdata_to_evp_pkey(dsa_cdata) + + return _DSAPrivateKey(self, dsa_cdata, evp_pkey) + + def load_dsa_public_numbers(self, numbers): + dsa._check_dsa_parameters(numbers.parameter_numbers) + dsa_cdata = self._lib.DSA_new() + self.openssl_assert(dsa_cdata != self._ffi.NULL) + dsa_cdata = self._ffi.gc(dsa_cdata, self._lib.DSA_free) + + p = self._int_to_bn(numbers.parameter_numbers.p) + q = self._int_to_bn(numbers.parameter_numbers.q) + g = self._int_to_bn(numbers.parameter_numbers.g) + pub_key = self._int_to_bn(numbers.y) + priv_key = self._ffi.NULL + self._dsa_cdata_set_values(dsa_cdata, p, q, g, pub_key, priv_key) + + evp_pkey = self._dsa_cdata_to_evp_pkey(dsa_cdata) + + return _DSAPublicKey(self, dsa_cdata, evp_pkey) + + def load_dsa_parameter_numbers(self, numbers): + dsa._check_dsa_parameters(numbers) + dsa_cdata = self._lib.DSA_new() + self.openssl_assert(dsa_cdata != self._ffi.NULL) + dsa_cdata = self._ffi.gc(dsa_cdata, self._lib.DSA_free) + + p = self._int_to_bn(numbers.p) + q = self._int_to_bn(numbers.q) + g = self._int_to_bn(numbers.g) + res = self._lib.DSA_set0_pqg(dsa_cdata, p, q, g) + self.openssl_assert(res == 1) + + return _DSAParameters(self, dsa_cdata) + + def _dsa_cdata_to_evp_pkey(self, dsa_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_DSA(evp_pkey, dsa_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def dsa_hash_supported(self, algorithm): + return self.hash_supported(algorithm) + + def dsa_parameters_supported(self, p, q, g): + return True + + def cmac_algorithm_supported(self, algorithm): + return self.cipher_supported( + algorithm, CBC(b"\x00" * algorithm.block_size) + ) + + def create_cmac_ctx(self, algorithm): + return _CMACContext(self, algorithm) + + def _x509_check_signature_params(self, private_key, algorithm): + if isinstance( + private_key, (ed25519.Ed25519PrivateKey, ed448.Ed448PrivateKey) + ): + if algorithm is not None: + raise ValueError( + "algorithm must be None when signing via ed25519 or ed448" + ) + elif not isinstance( + private_key, + (rsa.RSAPrivateKey, dsa.DSAPrivateKey, ec.EllipticCurvePrivateKey), + ): + raise TypeError( + "Key must be an rsa, dsa, ec, ed25519, or ed448 private key." + ) + elif not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Algorithm must be a registered hash algorithm.") + elif isinstance(algorithm, hashes.MD5) and not isinstance( + private_key, rsa.RSAPrivateKey + ): + raise ValueError( + "MD5 hash algorithm is only supported with RSA keys" + ) + + def create_x509_csr(self, builder, private_key, algorithm): + if not isinstance(builder, x509.CertificateSigningRequestBuilder): + raise TypeError("Builder type mismatch.") + self._x509_check_signature_params(private_key, algorithm) + + # Resolve the signature algorithm. + evp_md = self._evp_md_x509_null_if_eddsa(private_key, algorithm) + + # Create an empty request. + x509_req = self._lib.X509_REQ_new() + self.openssl_assert(x509_req != self._ffi.NULL) + x509_req = self._ffi.gc(x509_req, self._lib.X509_REQ_free) + + # Set x509 version. + res = self._lib.X509_REQ_set_version(x509_req, x509.Version.v1.value) + self.openssl_assert(res == 1) + + # Set subject name. + res = self._lib.X509_REQ_set_subject_name( + x509_req, _encode_name_gc(self, builder._subject_name) + ) + self.openssl_assert(res == 1) + + # Set subject public key. + public_key = private_key.public_key() + res = self._lib.X509_REQ_set_pubkey(x509_req, public_key._evp_pkey) + self.openssl_assert(res == 1) + + # Add extensions. + sk_extension = self._lib.sk_X509_EXTENSION_new_null() + self.openssl_assert(sk_extension != self._ffi.NULL) + sk_extension = self._ffi.gc( + sk_extension, + lambda x: self._lib.sk_X509_EXTENSION_pop_free( + x, + self._ffi.addressof( + self._lib._original_lib, "X509_EXTENSION_free" + ), + ), + ) + # Don't GC individual extensions because the memory is owned by + # sk_extensions and will be freed along with it. + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._extension_encode_handlers, + x509_obj=sk_extension, + add_func=self._lib.sk_X509_EXTENSION_insert, + gc=False, + ) + res = self._lib.X509_REQ_add_extensions(x509_req, sk_extension) + self.openssl_assert(res == 1) + + # Add attributes (all bytes encoded as ASN1 UTF8_STRING) + for attr_oid, attr_val in builder._attributes: + obj = _txt2obj_gc(self, attr_oid.dotted_string) + res = self._lib.X509_REQ_add1_attr_by_OBJ( + x509_req, + obj, + x509.name._ASN1Type.UTF8String.value, + attr_val, + len(attr_val), + ) + self.openssl_assert(res == 1) + + # Sign the request using the requester's private key. + res = self._lib.X509_REQ_sign(x509_req, private_key._evp_pkey, evp_md) + if res == 0: + errors = self._consume_errors_with_text() + raise ValueError("Signing failed", errors) + + return _CertificateSigningRequest(self, x509_req) + + def create_x509_certificate(self, builder, private_key, algorithm): + if not isinstance(builder, x509.CertificateBuilder): + raise TypeError("Builder type mismatch.") + self._x509_check_signature_params(private_key, algorithm) + + # Resolve the signature algorithm. + evp_md = self._evp_md_x509_null_if_eddsa(private_key, algorithm) + + # Create an empty certificate. + x509_cert = self._lib.X509_new() + x509_cert = self._ffi.gc(x509_cert, self._lib.X509_free) + + # Set the x509 version. + res = self._lib.X509_set_version(x509_cert, builder._version.value) + self.openssl_assert(res == 1) + + # Set the subject's name. + res = self._lib.X509_set_subject_name( + x509_cert, _encode_name_gc(self, builder._subject_name) + ) + self.openssl_assert(res == 1) + + # Set the subject's public key. + res = self._lib.X509_set_pubkey( + x509_cert, builder._public_key._evp_pkey + ) + self.openssl_assert(res == 1) + + # Set the certificate serial number. + serial_number = _encode_asn1_int_gc(self, builder._serial_number) + res = self._lib.X509_set_serialNumber(x509_cert, serial_number) + self.openssl_assert(res == 1) + + # Set the "not before" time. + self._set_asn1_time( + self._lib.X509_getm_notBefore(x509_cert), builder._not_valid_before + ) + + # Set the "not after" time. + self._set_asn1_time( + self._lib.X509_getm_notAfter(x509_cert), builder._not_valid_after + ) + + # Add extensions. + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._extension_encode_handlers, + x509_obj=x509_cert, + add_func=self._lib.X509_add_ext, + gc=True, + ) + + # Set the issuer name. + res = self._lib.X509_set_issuer_name( + x509_cert, _encode_name_gc(self, builder._issuer_name) + ) + self.openssl_assert(res == 1) + + # Sign the certificate with the issuer's private key. + res = self._lib.X509_sign(x509_cert, private_key._evp_pkey, evp_md) + if res == 0: + errors = self._consume_errors_with_text() + raise ValueError("Signing failed", errors) + + return _Certificate(self, x509_cert) + + def _evp_md_x509_null_if_eddsa(self, private_key, algorithm): + if isinstance( + private_key, (ed25519.Ed25519PrivateKey, ed448.Ed448PrivateKey) + ): + # OpenSSL requires us to pass NULL for EVP_MD for ed25519/ed448 + return self._ffi.NULL + else: + return self._evp_md_non_null_from_algorithm(algorithm) + + def _set_asn1_time(self, asn1_time, time): + if time.year >= 2050: + asn1_str = time.strftime("%Y%m%d%H%M%SZ").encode("ascii") + else: + asn1_str = time.strftime("%y%m%d%H%M%SZ").encode("ascii") + res = self._lib.ASN1_TIME_set_string(asn1_time, asn1_str) + self.openssl_assert(res == 1) + + def _create_asn1_time(self, time): + asn1_time = self._lib.ASN1_TIME_new() + self.openssl_assert(asn1_time != self._ffi.NULL) + asn1_time = self._ffi.gc(asn1_time, self._lib.ASN1_TIME_free) + self._set_asn1_time(asn1_time, time) + return asn1_time + + def create_x509_crl(self, builder, private_key, algorithm): + if not isinstance(builder, x509.CertificateRevocationListBuilder): + raise TypeError("Builder type mismatch.") + self._x509_check_signature_params(private_key, algorithm) + + evp_md = self._evp_md_x509_null_if_eddsa(private_key, algorithm) + + # Create an empty CRL. + x509_crl = self._lib.X509_CRL_new() + x509_crl = self._ffi.gc(x509_crl, self._lib.X509_CRL_free) + + # Set the x509 CRL version. We only support v2 (integer value 1). + res = self._lib.X509_CRL_set_version(x509_crl, 1) + self.openssl_assert(res == 1) + + # Set the issuer name. + res = self._lib.X509_CRL_set_issuer_name( + x509_crl, _encode_name_gc(self, builder._issuer_name) + ) + self.openssl_assert(res == 1) + + # Set the last update time. + last_update = self._create_asn1_time(builder._last_update) + res = self._lib.X509_CRL_set1_lastUpdate(x509_crl, last_update) + self.openssl_assert(res == 1) + + # Set the next update time. + next_update = self._create_asn1_time(builder._next_update) + res = self._lib.X509_CRL_set1_nextUpdate(x509_crl, next_update) + self.openssl_assert(res == 1) + + # Add extensions. + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._crl_extension_encode_handlers, + x509_obj=x509_crl, + add_func=self._lib.X509_CRL_add_ext, + gc=True, + ) + + # add revoked certificates + for revoked_cert in builder._revoked_certificates: + # Duplicating because the X509_CRL takes ownership and will free + # this memory when X509_CRL_free is called. + revoked = self._lib.X509_REVOKED_dup(revoked_cert._x509_revoked) + self.openssl_assert(revoked != self._ffi.NULL) + res = self._lib.X509_CRL_add0_revoked(x509_crl, revoked) + self.openssl_assert(res == 1) + + res = self._lib.X509_CRL_sign(x509_crl, private_key._evp_pkey, evp_md) + if res == 0: + errors = self._consume_errors_with_text() + raise ValueError("Signing failed", errors) + + return _CertificateRevocationList(self, x509_crl) + + def _create_x509_extensions( + self, extensions, handlers, x509_obj, add_func, gc + ): + for i, extension in enumerate(extensions): + x509_extension = self._create_x509_extension(handlers, extension) + self.openssl_assert(x509_extension != self._ffi.NULL) + + if gc: + x509_extension = self._ffi.gc( + x509_extension, self._lib.X509_EXTENSION_free + ) + res = add_func(x509_obj, x509_extension, i) + self.openssl_assert(res >= 1) + + def _create_raw_x509_extension(self, extension, value): + obj = _txt2obj_gc(self, extension.oid.dotted_string) + return self._lib.X509_EXTENSION_create_by_OBJ( + self._ffi.NULL, obj, 1 if extension.critical else 0, value + ) + + def _create_x509_extension(self, handlers, extension): + if isinstance(extension.value, x509.UnrecognizedExtension): + value = _encode_asn1_str_gc(self, extension.value.value) + return self._create_raw_x509_extension(extension, value) + elif isinstance(extension.value, x509.TLSFeature): + asn1 = encode_der( + SEQUENCE, + *[ + encode_der(INTEGER, encode_der_integer(x.value)) + for x in extension.value + ], + ) + value = _encode_asn1_str_gc(self, asn1) + return self._create_raw_x509_extension(extension, value) + elif isinstance(extension.value, x509.PrecertPoison): + value = _encode_asn1_str_gc(self, encode_der(NULL)) + return self._create_raw_x509_extension(extension, value) + else: + try: + encode = handlers[extension.oid] + except KeyError: + raise NotImplementedError( + "Extension not supported: {}".format(extension.oid) + ) + + ext_struct = encode(self, extension.value) + nid = self._lib.OBJ_txt2nid( + extension.oid.dotted_string.encode("ascii") + ) + self.openssl_assert(nid != self._lib.NID_undef) + return self._lib.X509V3_EXT_i2d( + nid, 1 if extension.critical else 0, ext_struct + ) + + def create_x509_revoked_certificate(self, builder): + if not isinstance(builder, x509.RevokedCertificateBuilder): + raise TypeError("Builder type mismatch.") + + x509_revoked = self._lib.X509_REVOKED_new() + self.openssl_assert(x509_revoked != self._ffi.NULL) + x509_revoked = self._ffi.gc(x509_revoked, self._lib.X509_REVOKED_free) + serial_number = _encode_asn1_int_gc(self, builder._serial_number) + res = self._lib.X509_REVOKED_set_serialNumber( + x509_revoked, serial_number + ) + self.openssl_assert(res == 1) + rev_date = self._create_asn1_time(builder._revocation_date) + res = self._lib.X509_REVOKED_set_revocationDate(x509_revoked, rev_date) + self.openssl_assert(res == 1) + # add CRL entry extensions + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._crl_entry_extension_encode_handlers, + x509_obj=x509_revoked, + add_func=self._lib.X509_REVOKED_add_ext, + gc=True, + ) + return _RevokedCertificate(self, None, x509_revoked) + + def load_pem_private_key(self, data, password): + return self._load_key( + self._lib.PEM_read_bio_PrivateKey, + self._evp_pkey_to_private_key, + data, + password, + ) + + def load_pem_public_key(self, data): + mem_bio = self._bytes_to_bio(data) + evp_pkey = self._lib.PEM_read_bio_PUBKEY( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if evp_pkey != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return self._evp_pkey_to_public_key(evp_pkey) + else: + # It's not a (RSA/DSA/ECDSA) subjectPublicKeyInfo, but we still + # need to check to see if it is a pure PKCS1 RSA public key (not + # embedded in a subjectPublicKeyInfo) + self._consume_errors() + res = self._lib.BIO_reset(mem_bio.bio) + self.openssl_assert(res == 1) + rsa_cdata = self._lib.PEM_read_bio_RSAPublicKey( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if rsa_cdata != self._ffi.NULL: + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + else: + self._handle_key_loading_error() + + def load_pem_parameters(self, data): + mem_bio = self._bytes_to_bio(data) + # only DH is supported currently + dh_cdata = self._lib.PEM_read_bio_DHparams( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if dh_cdata != self._ffi.NULL: + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + return _DHParameters(self, dh_cdata) + else: + self._handle_key_loading_error() + + def load_der_private_key(self, data, password): + # OpenSSL has a function called d2i_AutoPrivateKey that in theory + # handles this automatically, however it doesn't handle encrypted + # private keys. Instead we try to load the key two different ways. + # First we'll try to load it as a traditional key. + bio_data = self._bytes_to_bio(data) + key = self._evp_pkey_from_der_traditional_key(bio_data, password) + if key: + return self._evp_pkey_to_private_key(key) + else: + # Finally we try to load it with the method that handles encrypted + # PKCS8 properly. + return self._load_key( + self._lib.d2i_PKCS8PrivateKey_bio, + self._evp_pkey_to_private_key, + data, + password, + ) + + def _evp_pkey_from_der_traditional_key(self, bio_data, password): + key = self._lib.d2i_PrivateKey_bio(bio_data.bio, self._ffi.NULL) + if key != self._ffi.NULL: + key = self._ffi.gc(key, self._lib.EVP_PKEY_free) + if password is not None: + raise TypeError( + "Password was given but private key is not encrypted." + ) + + return key + else: + self._consume_errors() + return None + + def load_der_public_key(self, data): + mem_bio = self._bytes_to_bio(data) + evp_pkey = self._lib.d2i_PUBKEY_bio(mem_bio.bio, self._ffi.NULL) + if evp_pkey != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return self._evp_pkey_to_public_key(evp_pkey) + else: + # It's not a (RSA/DSA/ECDSA) subjectPublicKeyInfo, but we still + # need to check to see if it is a pure PKCS1 RSA public key (not + # embedded in a subjectPublicKeyInfo) + self._consume_errors() + res = self._lib.BIO_reset(mem_bio.bio) + self.openssl_assert(res == 1) + rsa_cdata = self._lib.d2i_RSAPublicKey_bio( + mem_bio.bio, self._ffi.NULL + ) + if rsa_cdata != self._ffi.NULL: + rsa_cdata = self._ffi.gc(rsa_cdata, self._lib.RSA_free) + evp_pkey = self._rsa_cdata_to_evp_pkey(rsa_cdata) + return _RSAPublicKey(self, rsa_cdata, evp_pkey) + else: + self._handle_key_loading_error() + + def load_der_parameters(self, data): + mem_bio = self._bytes_to_bio(data) + dh_cdata = self._lib.d2i_DHparams_bio(mem_bio.bio, self._ffi.NULL) + if dh_cdata != self._ffi.NULL: + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + return _DHParameters(self, dh_cdata) + elif self._lib.Cryptography_HAS_EVP_PKEY_DHX: + # We check to see if the is dhx. + self._consume_errors() + res = self._lib.BIO_reset(mem_bio.bio) + self.openssl_assert(res == 1) + dh_cdata = self._lib.Cryptography_d2i_DHxparams_bio( + mem_bio.bio, self._ffi.NULL + ) + if dh_cdata != self._ffi.NULL: + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + return _DHParameters(self, dh_cdata) + + self._handle_key_loading_error() + + def load_pem_x509_certificate(self, data): + mem_bio = self._bytes_to_bio(data) + x509 = self._lib.PEM_read_bio_X509( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if x509 == self._ffi.NULL: + self._consume_errors() + raise ValueError( + "Unable to load certificate. See https://cryptography.io/en/" + "latest/faq.html#why-can-t-i-import-my-pem-file for more" + " details." + ) + + x509 = self._ffi.gc(x509, self._lib.X509_free) + return _Certificate(self, x509) + + def load_der_x509_certificate(self, data): + mem_bio = self._bytes_to_bio(data) + x509 = self._lib.d2i_X509_bio(mem_bio.bio, self._ffi.NULL) + if x509 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to load certificate") + + x509 = self._ffi.gc(x509, self._lib.X509_free) + return _Certificate(self, x509) + + def load_pem_x509_crl(self, data): + mem_bio = self._bytes_to_bio(data) + x509_crl = self._lib.PEM_read_bio_X509_CRL( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if x509_crl == self._ffi.NULL: + self._consume_errors() + raise ValueError( + "Unable to load CRL. See https://cryptography.io/en/la" + "test/faq.html#why-can-t-i-import-my-pem-file for more" + " details." + ) + + x509_crl = self._ffi.gc(x509_crl, self._lib.X509_CRL_free) + return _CertificateRevocationList(self, x509_crl) + + def load_der_x509_crl(self, data): + mem_bio = self._bytes_to_bio(data) + x509_crl = self._lib.d2i_X509_CRL_bio(mem_bio.bio, self._ffi.NULL) + if x509_crl == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to load CRL") + + x509_crl = self._ffi.gc(x509_crl, self._lib.X509_CRL_free) + return _CertificateRevocationList(self, x509_crl) + + def load_pem_x509_csr(self, data): + mem_bio = self._bytes_to_bio(data) + x509_req = self._lib.PEM_read_bio_X509_REQ( + mem_bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if x509_req == self._ffi.NULL: + self._consume_errors() + raise ValueError( + "Unable to load request. See https://cryptography.io/en/" + "latest/faq.html#why-can-t-i-import-my-pem-file for more" + " details." + ) + + x509_req = self._ffi.gc(x509_req, self._lib.X509_REQ_free) + return _CertificateSigningRequest(self, x509_req) + + def load_der_x509_csr(self, data): + mem_bio = self._bytes_to_bio(data) + x509_req = self._lib.d2i_X509_REQ_bio(mem_bio.bio, self._ffi.NULL) + if x509_req == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to load request") + + x509_req = self._ffi.gc(x509_req, self._lib.X509_REQ_free) + return _CertificateSigningRequest(self, x509_req) + + def _load_key(self, openssl_read_func, convert_func, data, password): + mem_bio = self._bytes_to_bio(data) + + userdata = self._ffi.new("CRYPTOGRAPHY_PASSWORD_DATA *") + if password is not None: + utils._check_byteslike("password", password) + password_ptr = self._ffi.from_buffer(password) + userdata.password = password_ptr + userdata.length = len(password) + + evp_pkey = openssl_read_func( + mem_bio.bio, + self._ffi.NULL, + self._ffi.addressof( + self._lib._original_lib, "Cryptography_pem_password_cb" + ), + userdata, + ) + + if evp_pkey == self._ffi.NULL: + if userdata.error != 0: + self._consume_errors() + if userdata.error == -1: + raise TypeError( + "Password was not given but private key is encrypted" + ) + else: + assert userdata.error == -2 + raise ValueError( + "Passwords longer than {} bytes are not supported " + "by this backend.".format(userdata.maxsize - 1) + ) + else: + self._handle_key_loading_error() + + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + if password is not None and userdata.called == 0: + raise TypeError( + "Password was given but private key is not encrypted." + ) + + assert ( + password is not None and userdata.called == 1 + ) or password is None + + return convert_func(evp_pkey) + + def _handle_key_loading_error(self): + errors = self._consume_errors() + + if not errors: + raise ValueError( + "Could not deserialize key data. The data may be in an " + "incorrect format or it may be encrypted with an unsupported " + "algorithm." + ) + elif errors[0]._lib_reason_match( + self._lib.ERR_LIB_EVP, self._lib.EVP_R_BAD_DECRYPT + ) or errors[0]._lib_reason_match( + self._lib.ERR_LIB_PKCS12, + self._lib.PKCS12_R_PKCS12_CIPHERFINAL_ERROR, + ): + raise ValueError("Bad decrypt. Incorrect password?") + + elif any( + error._lib_reason_match( + self._lib.ERR_LIB_EVP, + self._lib.EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM, + ) + for error in errors + ): + raise ValueError("Unsupported public key algorithm.") + + else: + raise ValueError( + "Could not deserialize key data. The data may be in an " + "incorrect format or it may be encrypted with an unsupported " + "algorithm." + ) + + def elliptic_curve_supported(self, curve): + try: + curve_nid = self._elliptic_curve_to_nid(curve) + except UnsupportedAlgorithm: + curve_nid = self._lib.NID_undef + + group = self._lib.EC_GROUP_new_by_curve_name(curve_nid) + + if group == self._ffi.NULL: + self._consume_errors() + return False + else: + self.openssl_assert(curve_nid != self._lib.NID_undef) + self._lib.EC_GROUP_free(group) + return True + + def elliptic_curve_signature_algorithm_supported( + self, signature_algorithm, curve + ): + # We only support ECDSA right now. + if not isinstance(signature_algorithm, ec.ECDSA): + return False + + return self.elliptic_curve_supported(curve) + + def generate_elliptic_curve_private_key(self, curve): + """ + Generate a new private key on the named curve. + """ + + if self.elliptic_curve_supported(curve): + ec_cdata = self._ec_key_new_by_curve(curve) + + res = self._lib.EC_KEY_generate_key(ec_cdata) + self.openssl_assert(res == 1) + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + else: + raise UnsupportedAlgorithm( + "Backend object does not support {}.".format(curve.name), + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + + def load_elliptic_curve_private_numbers(self, numbers): + public = numbers.public_numbers + + ec_cdata = self._ec_key_new_by_curve(public.curve) + + private_value = self._ffi.gc( + self._int_to_bn(numbers.private_value), self._lib.BN_clear_free + ) + res = self._lib.EC_KEY_set_private_key(ec_cdata, private_value) + self.openssl_assert(res == 1) + + ec_cdata = self._ec_key_set_public_key_affine_coordinates( + ec_cdata, public.x, public.y + ) + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + + def load_elliptic_curve_public_numbers(self, numbers): + ec_cdata = self._ec_key_new_by_curve(numbers.curve) + ec_cdata = self._ec_key_set_public_key_affine_coordinates( + ec_cdata, numbers.x, numbers.y + ) + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + + def load_elliptic_curve_public_bytes(self, curve, point_bytes): + ec_cdata = self._ec_key_new_by_curve(curve) + group = self._lib.EC_KEY_get0_group(ec_cdata) + self.openssl_assert(group != self._ffi.NULL) + point = self._lib.EC_POINT_new(group) + self.openssl_assert(point != self._ffi.NULL) + point = self._ffi.gc(point, self._lib.EC_POINT_free) + with self._tmp_bn_ctx() as bn_ctx: + res = self._lib.EC_POINT_oct2point( + group, point, point_bytes, len(point_bytes), bn_ctx + ) + if res != 1: + self._consume_errors() + raise ValueError("Invalid public bytes for the given curve") + + res = self._lib.EC_KEY_set_public_key(ec_cdata, point) + self.openssl_assert(res == 1) + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + return _EllipticCurvePublicKey(self, ec_cdata, evp_pkey) + + def derive_elliptic_curve_private_key(self, private_value, curve): + ec_cdata = self._ec_key_new_by_curve(curve) + + get_func, group = self._ec_key_determine_group_get_func(ec_cdata) + + point = self._lib.EC_POINT_new(group) + self.openssl_assert(point != self._ffi.NULL) + point = self._ffi.gc(point, self._lib.EC_POINT_free) + + value = self._int_to_bn(private_value) + value = self._ffi.gc(value, self._lib.BN_clear_free) + + with self._tmp_bn_ctx() as bn_ctx: + res = self._lib.EC_POINT_mul( + group, point, value, self._ffi.NULL, self._ffi.NULL, bn_ctx + ) + self.openssl_assert(res == 1) + + bn_x = self._lib.BN_CTX_get(bn_ctx) + bn_y = self._lib.BN_CTX_get(bn_ctx) + + res = get_func(group, point, bn_x, bn_y, bn_ctx) + self.openssl_assert(res == 1) + + res = self._lib.EC_KEY_set_public_key(ec_cdata, point) + self.openssl_assert(res == 1) + private = self._int_to_bn(private_value) + private = self._ffi.gc(private, self._lib.BN_clear_free) + res = self._lib.EC_KEY_set_private_key(ec_cdata, private) + self.openssl_assert(res == 1) + + evp_pkey = self._ec_cdata_to_evp_pkey(ec_cdata) + + return _EllipticCurvePrivateKey(self, ec_cdata, evp_pkey) + + def _ec_key_new_by_curve(self, curve): + curve_nid = self._elliptic_curve_to_nid(curve) + return self._ec_key_new_by_curve_nid(curve_nid) + + def _ec_key_new_by_curve_nid(self, curve_nid): + ec_cdata = self._lib.EC_KEY_new_by_curve_name(curve_nid) + self.openssl_assert(ec_cdata != self._ffi.NULL) + return self._ffi.gc(ec_cdata, self._lib.EC_KEY_free) + + def load_der_ocsp_request(self, data): + mem_bio = self._bytes_to_bio(data) + request = self._lib.d2i_OCSP_REQUEST_bio(mem_bio.bio, self._ffi.NULL) + if request == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to load OCSP request") + + request = self._ffi.gc(request, self._lib.OCSP_REQUEST_free) + return _OCSPRequest(self, request) + + def load_der_ocsp_response(self, data): + mem_bio = self._bytes_to_bio(data) + response = self._lib.d2i_OCSP_RESPONSE_bio(mem_bio.bio, self._ffi.NULL) + if response == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to load OCSP response") + + response = self._ffi.gc(response, self._lib.OCSP_RESPONSE_free) + return _OCSPResponse(self, response) + + def create_ocsp_request(self, builder): + ocsp_req = self._lib.OCSP_REQUEST_new() + self.openssl_assert(ocsp_req != self._ffi.NULL) + ocsp_req = self._ffi.gc(ocsp_req, self._lib.OCSP_REQUEST_free) + cert, issuer, algorithm = builder._request + evp_md = self._evp_md_non_null_from_algorithm(algorithm) + certid = self._lib.OCSP_cert_to_id(evp_md, cert._x509, issuer._x509) + self.openssl_assert(certid != self._ffi.NULL) + onereq = self._lib.OCSP_request_add0_id(ocsp_req, certid) + self.openssl_assert(onereq != self._ffi.NULL) + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._ocsp_request_extension_encode_handlers, + x509_obj=ocsp_req, + add_func=self._lib.OCSP_REQUEST_add_ext, + gc=True, + ) + return _OCSPRequest(self, ocsp_req) + + def _create_ocsp_basic_response(self, builder, private_key, algorithm): + self._x509_check_signature_params(private_key, algorithm) + + basic = self._lib.OCSP_BASICRESP_new() + self.openssl_assert(basic != self._ffi.NULL) + basic = self._ffi.gc(basic, self._lib.OCSP_BASICRESP_free) + evp_md = self._evp_md_non_null_from_algorithm( + builder._response._algorithm + ) + certid = self._lib.OCSP_cert_to_id( + evp_md, + builder._response._cert._x509, + builder._response._issuer._x509, + ) + self.openssl_assert(certid != self._ffi.NULL) + certid = self._ffi.gc(certid, self._lib.OCSP_CERTID_free) + if builder._response._revocation_reason is None: + reason = -1 + else: + reason = _CRL_ENTRY_REASON_ENUM_TO_CODE[ + builder._response._revocation_reason + ] + if builder._response._revocation_time is None: + rev_time = self._ffi.NULL + else: + rev_time = self._create_asn1_time( + builder._response._revocation_time + ) + + next_update = self._ffi.NULL + if builder._response._next_update is not None: + next_update = self._create_asn1_time( + builder._response._next_update + ) + + this_update = self._create_asn1_time(builder._response._this_update) + + res = self._lib.OCSP_basic_add1_status( + basic, + certid, + builder._response._cert_status.value, + reason, + rev_time, + this_update, + next_update, + ) + self.openssl_assert(res != self._ffi.NULL) + # okay, now sign the basic structure + evp_md = self._evp_md_x509_null_if_eddsa(private_key, algorithm) + responder_cert, responder_encoding = builder._responder_id + flags = self._lib.OCSP_NOCERTS + if responder_encoding is ocsp.OCSPResponderEncoding.HASH: + flags |= self._lib.OCSP_RESPID_KEY + + if builder._certs is not None: + for cert in builder._certs: + res = self._lib.OCSP_basic_add1_cert(basic, cert._x509) + self.openssl_assert(res == 1) + + self._create_x509_extensions( + extensions=builder._extensions, + handlers=self._ocsp_basicresp_extension_encode_handlers, + x509_obj=basic, + add_func=self._lib.OCSP_BASICRESP_add_ext, + gc=True, + ) + + res = self._lib.OCSP_basic_sign( + basic, + responder_cert._x509, + private_key._evp_pkey, + evp_md, + self._ffi.NULL, + flags, + ) + if res != 1: + errors = self._consume_errors_with_text() + raise ValueError( + "Error while signing. responder_cert must be signed " + "by private_key", + errors, + ) + + return basic + + def create_ocsp_response( + self, response_status, builder, private_key, algorithm + ): + if response_status is ocsp.OCSPResponseStatus.SUCCESSFUL: + basic = self._create_ocsp_basic_response( + builder, private_key, algorithm + ) + else: + basic = self._ffi.NULL + + ocsp_resp = self._lib.OCSP_response_create( + response_status.value, basic + ) + self.openssl_assert(ocsp_resp != self._ffi.NULL) + ocsp_resp = self._ffi.gc(ocsp_resp, self._lib.OCSP_RESPONSE_free) + return _OCSPResponse(self, ocsp_resp) + + def elliptic_curve_exchange_algorithm_supported(self, algorithm, curve): + return self.elliptic_curve_supported(curve) and isinstance( + algorithm, ec.ECDH + ) + + def _ec_cdata_to_evp_pkey(self, ec_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_EC_KEY(evp_pkey, ec_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def _elliptic_curve_to_nid(self, curve): + """ + Get the NID for a curve name. + """ + + curve_aliases = {"secp192r1": "prime192v1", "secp256r1": "prime256v1"} + + curve_name = curve_aliases.get(curve.name, curve.name) + + curve_nid = self._lib.OBJ_sn2nid(curve_name.encode()) + if curve_nid == self._lib.NID_undef: + raise UnsupportedAlgorithm( + "{} is not a supported elliptic curve".format(curve.name), + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + return curve_nid + + @contextmanager + def _tmp_bn_ctx(self): + bn_ctx = self._lib.BN_CTX_new() + self.openssl_assert(bn_ctx != self._ffi.NULL) + bn_ctx = self._ffi.gc(bn_ctx, self._lib.BN_CTX_free) + self._lib.BN_CTX_start(bn_ctx) + try: + yield bn_ctx + finally: + self._lib.BN_CTX_end(bn_ctx) + + def _ec_key_determine_group_get_func(self, ctx): + """ + Given an EC_KEY determine the group and what function is required to + get point coordinates. + """ + self.openssl_assert(ctx != self._ffi.NULL) + + nid_two_field = self._lib.OBJ_sn2nid(b"characteristic-two-field") + self.openssl_assert(nid_two_field != self._lib.NID_undef) + + group = self._lib.EC_KEY_get0_group(ctx) + self.openssl_assert(group != self._ffi.NULL) + + method = self._lib.EC_GROUP_method_of(group) + self.openssl_assert(method != self._ffi.NULL) + + nid = self._lib.EC_METHOD_get_field_type(method) + self.openssl_assert(nid != self._lib.NID_undef) + + if nid == nid_two_field and self._lib.Cryptography_HAS_EC2M: + get_func = self._lib.EC_POINT_get_affine_coordinates_GF2m + else: + get_func = self._lib.EC_POINT_get_affine_coordinates_GFp + + assert get_func + + return get_func, group + + def _ec_key_set_public_key_affine_coordinates(self, ctx, x, y): + """ + Sets the public key point in the EC_KEY context to the affine x and y + values. + """ + + if x < 0 or y < 0: + raise ValueError( + "Invalid EC key. Both x and y must be non-negative." + ) + + x = self._ffi.gc(self._int_to_bn(x), self._lib.BN_free) + y = self._ffi.gc(self._int_to_bn(y), self._lib.BN_free) + res = self._lib.EC_KEY_set_public_key_affine_coordinates(ctx, x, y) + if res != 1: + self._consume_errors() + raise ValueError("Invalid EC key.") + + return ctx + + def _private_key_bytes( + self, encoding, format, encryption_algorithm, key, evp_pkey, cdata + ): + # validate argument types + if not isinstance(encoding, serialization.Encoding): + raise TypeError("encoding must be an item from the Encoding enum") + if not isinstance(format, serialization.PrivateFormat): + raise TypeError( + "format must be an item from the PrivateFormat enum" + ) + if not isinstance( + encryption_algorithm, serialization.KeySerializationEncryption + ): + raise TypeError( + "Encryption algorithm must be a KeySerializationEncryption " + "instance" + ) + + # validate password + if isinstance(encryption_algorithm, serialization.NoEncryption): + password = b"" + elif isinstance( + encryption_algorithm, serialization.BestAvailableEncryption + ): + password = encryption_algorithm.password + if len(password) > 1023: + raise ValueError( + "Passwords longer than 1023 bytes are not supported by " + "this backend" + ) + else: + raise ValueError("Unsupported encryption type") + + # PKCS8 + PEM/DER + if format is serialization.PrivateFormat.PKCS8: + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_PKCS8PrivateKey + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_PKCS8PrivateKey_bio + else: + raise ValueError("Unsupported encoding for PKCS8") + return self._private_key_bytes_via_bio( + write_bio, evp_pkey, password + ) + + # TraditionalOpenSSL + PEM/DER + if format is serialization.PrivateFormat.TraditionalOpenSSL: + if self._fips_enabled and not isinstance( + encryption_algorithm, serialization.NoEncryption + ): + raise ValueError( + "Encrypted traditional OpenSSL format is not " + "supported in FIPS mode." + ) + key_type = self._lib.EVP_PKEY_id(evp_pkey) + + if encoding is serialization.Encoding.PEM: + if key_type == self._lib.EVP_PKEY_RSA: + write_bio = self._lib.PEM_write_bio_RSAPrivateKey + elif key_type == self._lib.EVP_PKEY_DSA: + write_bio = self._lib.PEM_write_bio_DSAPrivateKey + elif key_type == self._lib.EVP_PKEY_EC: + write_bio = self._lib.PEM_write_bio_ECPrivateKey + else: + raise ValueError( + "Unsupported key type for TraditionalOpenSSL" + ) + return self._private_key_bytes_via_bio( + write_bio, cdata, password + ) + + if encoding is serialization.Encoding.DER: + if password: + raise ValueError( + "Encryption is not supported for DER encoded " + "traditional OpenSSL keys" + ) + if key_type == self._lib.EVP_PKEY_RSA: + write_bio = self._lib.i2d_RSAPrivateKey_bio + elif key_type == self._lib.EVP_PKEY_EC: + write_bio = self._lib.i2d_ECPrivateKey_bio + elif key_type == self._lib.EVP_PKEY_DSA: + write_bio = self._lib.i2d_DSAPrivateKey_bio + else: + raise ValueError( + "Unsupported key type for TraditionalOpenSSL" + ) + return self._bio_func_output(write_bio, cdata) + + raise ValueError("Unsupported encoding for TraditionalOpenSSL") + + # OpenSSH + PEM + if format is serialization.PrivateFormat.OpenSSH: + if encoding is serialization.Encoding.PEM: + return ssh.serialize_ssh_private_key(key, password) + + raise ValueError( + "OpenSSH private key format can only be used" + " with PEM encoding" + ) + + # Anything that key-specific code was supposed to handle earlier, + # like Raw. + raise ValueError("format is invalid with this key") + + def _private_key_bytes_via_bio(self, write_bio, evp_pkey, password): + if not password: + evp_cipher = self._ffi.NULL + else: + # This is a curated value that we will update over time. + evp_cipher = self._lib.EVP_get_cipherbyname(b"aes-256-cbc") + + return self._bio_func_output( + write_bio, + evp_pkey, + evp_cipher, + password, + len(password), + self._ffi.NULL, + self._ffi.NULL, + ) + + def _bio_func_output(self, write_bio, *args): + bio = self._create_mem_bio_gc() + res = write_bio(bio, *args) + self.openssl_assert(res == 1) + return self._read_mem_bio(bio) + + def _public_key_bytes(self, encoding, format, key, evp_pkey, cdata): + if not isinstance(encoding, serialization.Encoding): + raise TypeError("encoding must be an item from the Encoding enum") + if not isinstance(format, serialization.PublicFormat): + raise TypeError( + "format must be an item from the PublicFormat enum" + ) + + # SubjectPublicKeyInfo + PEM/DER + if format is serialization.PublicFormat.SubjectPublicKeyInfo: + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_PUBKEY + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_PUBKEY_bio + else: + raise ValueError( + "SubjectPublicKeyInfo works only with PEM or DER encoding" + ) + return self._bio_func_output(write_bio, evp_pkey) + + # PKCS1 + PEM/DER + if format is serialization.PublicFormat.PKCS1: + # Only RSA is supported here. + key_type = self._lib.EVP_PKEY_id(evp_pkey) + if key_type != self._lib.EVP_PKEY_RSA: + raise ValueError("PKCS1 format is supported only for RSA keys") + + if encoding is serialization.Encoding.PEM: + write_bio = self._lib.PEM_write_bio_RSAPublicKey + elif encoding is serialization.Encoding.DER: + write_bio = self._lib.i2d_RSAPublicKey_bio + else: + raise ValueError("PKCS1 works only with PEM or DER encoding") + return self._bio_func_output(write_bio, cdata) + + # OpenSSH + OpenSSH + if format is serialization.PublicFormat.OpenSSH: + if encoding is serialization.Encoding.OpenSSH: + return ssh.serialize_ssh_public_key(key) + + raise ValueError( + "OpenSSH format must be used with OpenSSH encoding" + ) + + # Anything that key-specific code was supposed to handle earlier, + # like Raw, CompressedPoint, UncompressedPoint + raise ValueError("format is invalid with this key") + + def _parameter_bytes(self, encoding, format, cdata): + if encoding is serialization.Encoding.OpenSSH: + raise TypeError("OpenSSH encoding is not supported") + + # Only DH is supported here currently. + q = self._ffi.new("BIGNUM **") + self._lib.DH_get0_pqg(cdata, self._ffi.NULL, q, self._ffi.NULL) + if encoding is serialization.Encoding.PEM: + if q[0] != self._ffi.NULL: + write_bio = self._lib.PEM_write_bio_DHxparams + else: + write_bio = self._lib.PEM_write_bio_DHparams + elif encoding is serialization.Encoding.DER: + if q[0] != self._ffi.NULL: + write_bio = self._lib.Cryptography_i2d_DHxparams_bio + else: + write_bio = self._lib.i2d_DHparams_bio + else: + raise TypeError("encoding must be an item from the Encoding enum") + + bio = self._create_mem_bio_gc() + res = write_bio(bio, cdata) + self.openssl_assert(res == 1) + return self._read_mem_bio(bio) + + def generate_dh_parameters(self, generator, key_size): + if key_size < dh._MIN_MODULUS_SIZE: + raise ValueError( + "DH key_size must be at least {} bits".format( + dh._MIN_MODULUS_SIZE + ) + ) + + if generator not in (2, 5): + raise ValueError("DH generator must be 2 or 5") + + dh_param_cdata = self._lib.DH_new() + self.openssl_assert(dh_param_cdata != self._ffi.NULL) + dh_param_cdata = self._ffi.gc(dh_param_cdata, self._lib.DH_free) + + res = self._lib.DH_generate_parameters_ex( + dh_param_cdata, key_size, generator, self._ffi.NULL + ) + self.openssl_assert(res == 1) + + return _DHParameters(self, dh_param_cdata) + + def _dh_cdata_to_evp_pkey(self, dh_cdata): + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set1_DH(evp_pkey, dh_cdata) + self.openssl_assert(res == 1) + return evp_pkey + + def generate_dh_private_key(self, parameters): + dh_key_cdata = _dh_params_dup(parameters._dh_cdata, self) + + res = self._lib.DH_generate_key(dh_key_cdata) + self.openssl_assert(res == 1) + + evp_pkey = self._dh_cdata_to_evp_pkey(dh_key_cdata) + + return _DHPrivateKey(self, dh_key_cdata, evp_pkey) + + def generate_dh_private_key_and_parameters(self, generator, key_size): + return self.generate_dh_private_key( + self.generate_dh_parameters(generator, key_size) + ) + + def load_dh_private_numbers(self, numbers): + parameter_numbers = numbers.public_numbers.parameter_numbers + + dh_cdata = self._lib.DH_new() + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + + p = self._int_to_bn(parameter_numbers.p) + g = self._int_to_bn(parameter_numbers.g) + + if parameter_numbers.q is not None: + q = self._int_to_bn(parameter_numbers.q) + else: + q = self._ffi.NULL + + pub_key = self._int_to_bn(numbers.public_numbers.y) + priv_key = self._int_to_bn(numbers.x) + + res = self._lib.DH_set0_pqg(dh_cdata, p, q, g) + self.openssl_assert(res == 1) + + res = self._lib.DH_set0_key(dh_cdata, pub_key, priv_key) + self.openssl_assert(res == 1) + + codes = self._ffi.new("int[]", 1) + res = self._lib.Cryptography_DH_check(dh_cdata, codes) + self.openssl_assert(res == 1) + + # DH_check will return DH_NOT_SUITABLE_GENERATOR if p % 24 does not + # equal 11 when the generator is 2 (a quadratic nonresidue). + # We want to ignore that error because p % 24 == 23 is also fine. + # Specifically, g is then a quadratic residue. Within the context of + # Diffie-Hellman this means it can only generate half the possible + # values. That sounds bad, but quadratic nonresidues leak a bit of + # the key to the attacker in exchange for having the full key space + # available. See: https://crypto.stackexchange.com/questions/12961 + if codes[0] != 0 and not ( + parameter_numbers.g == 2 + and codes[0] ^ self._lib.DH_NOT_SUITABLE_GENERATOR == 0 + ): + raise ValueError("DH private numbers did not pass safety checks.") + + evp_pkey = self._dh_cdata_to_evp_pkey(dh_cdata) + + return _DHPrivateKey(self, dh_cdata, evp_pkey) + + def load_dh_public_numbers(self, numbers): + dh_cdata = self._lib.DH_new() + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + + parameter_numbers = numbers.parameter_numbers + + p = self._int_to_bn(parameter_numbers.p) + g = self._int_to_bn(parameter_numbers.g) + + if parameter_numbers.q is not None: + q = self._int_to_bn(parameter_numbers.q) + else: + q = self._ffi.NULL + + pub_key = self._int_to_bn(numbers.y) + + res = self._lib.DH_set0_pqg(dh_cdata, p, q, g) + self.openssl_assert(res == 1) + + res = self._lib.DH_set0_key(dh_cdata, pub_key, self._ffi.NULL) + self.openssl_assert(res == 1) + + evp_pkey = self._dh_cdata_to_evp_pkey(dh_cdata) + + return _DHPublicKey(self, dh_cdata, evp_pkey) + + def load_dh_parameter_numbers(self, numbers): + dh_cdata = self._lib.DH_new() + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + + p = self._int_to_bn(numbers.p) + g = self._int_to_bn(numbers.g) + + if numbers.q is not None: + q = self._int_to_bn(numbers.q) + else: + q = self._ffi.NULL + + res = self._lib.DH_set0_pqg(dh_cdata, p, q, g) + self.openssl_assert(res == 1) + + return _DHParameters(self, dh_cdata) + + def dh_parameters_supported(self, p, g, q=None): + dh_cdata = self._lib.DH_new() + self.openssl_assert(dh_cdata != self._ffi.NULL) + dh_cdata = self._ffi.gc(dh_cdata, self._lib.DH_free) + + p = self._int_to_bn(p) + g = self._int_to_bn(g) + + if q is not None: + q = self._int_to_bn(q) + else: + q = self._ffi.NULL + + res = self._lib.DH_set0_pqg(dh_cdata, p, q, g) + self.openssl_assert(res == 1) + + codes = self._ffi.new("int[]", 1) + res = self._lib.Cryptography_DH_check(dh_cdata, codes) + self.openssl_assert(res == 1) + + return codes[0] == 0 + + def dh_x942_serialization_supported(self): + return self._lib.Cryptography_HAS_EVP_PKEY_DHX == 1 + + def x509_name_bytes(self, name): + x509_name = _encode_name_gc(self, name) + pp = self._ffi.new("unsigned char **") + res = self._lib.i2d_X509_NAME(x509_name, pp) + self.openssl_assert(pp[0] != self._ffi.NULL) + pp = self._ffi.gc( + pp, lambda pointer: self._lib.OPENSSL_free(pointer[0]) + ) + self.openssl_assert(res > 0) + return self._ffi.buffer(pp[0], res)[:] + + def x25519_load_public_bytes(self, data): + # When we drop support for CRYPTOGRAPHY_OPENSSL_LESS_THAN_111 we can + # switch this to EVP_PKEY_new_raw_public_key + if len(data) != 32: + raise ValueError("An X25519 public key is 32 bytes long") + + evp_pkey = self._create_evp_pkey_gc() + res = self._lib.EVP_PKEY_set_type(evp_pkey, self._lib.NID_X25519) + self.openssl_assert(res == 1) + res = self._lib.EVP_PKEY_set1_tls_encodedpoint( + evp_pkey, data, len(data) + ) + self.openssl_assert(res == 1) + return _X25519PublicKey(self, evp_pkey) + + def x25519_load_private_bytes(self, data): + # When we drop support for CRYPTOGRAPHY_OPENSSL_LESS_THAN_111 we can + # switch this to EVP_PKEY_new_raw_private_key and drop the + # zeroed_bytearray garbage. + # OpenSSL only has facilities for loading PKCS8 formatted private + # keys using the algorithm identifiers specified in + # https://tools.ietf.org/html/draft-ietf-curdle-pkix-09. + # This is the standard PKCS8 prefix for a 32 byte X25519 key. + # The form is: + # 0:d=0 hl=2 l= 46 cons: SEQUENCE + # 2:d=1 hl=2 l= 1 prim: INTEGER :00 + # 5:d=1 hl=2 l= 5 cons: SEQUENCE + # 7:d=2 hl=2 l= 3 prim: OBJECT :1.3.101.110 + # 12:d=1 hl=2 l= 34 prim: OCTET STRING (the key) + # Of course there's a bit more complexity. In reality OCTET STRING + # contains an OCTET STRING of length 32! So the last two bytes here + # are \x04\x20, which is an OCTET STRING of length 32. + if len(data) != 32: + raise ValueError("An X25519 private key is 32 bytes long") + + pkcs8_prefix = b'0.\x02\x01\x000\x05\x06\x03+en\x04"\x04 ' + with self._zeroed_bytearray(48) as ba: + ba[0:16] = pkcs8_prefix + ba[16:] = data + bio = self._bytes_to_bio(ba) + evp_pkey = self._lib.d2i_PrivateKey_bio(bio.bio, self._ffi.NULL) + + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + self.openssl_assert( + self._lib.EVP_PKEY_id(evp_pkey) == self._lib.EVP_PKEY_X25519 + ) + return _X25519PrivateKey(self, evp_pkey) + + def _evp_pkey_keygen_gc(self, nid): + evp_pkey_ctx = self._lib.EVP_PKEY_CTX_new_id(nid, self._ffi.NULL) + self.openssl_assert(evp_pkey_ctx != self._ffi.NULL) + evp_pkey_ctx = self._ffi.gc(evp_pkey_ctx, self._lib.EVP_PKEY_CTX_free) + res = self._lib.EVP_PKEY_keygen_init(evp_pkey_ctx) + self.openssl_assert(res == 1) + evp_ppkey = self._ffi.new("EVP_PKEY **") + res = self._lib.EVP_PKEY_keygen(evp_pkey_ctx, evp_ppkey) + self.openssl_assert(res == 1) + self.openssl_assert(evp_ppkey[0] != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_ppkey[0], self._lib.EVP_PKEY_free) + return evp_pkey + + def x25519_generate_key(self): + evp_pkey = self._evp_pkey_keygen_gc(self._lib.NID_X25519) + return _X25519PrivateKey(self, evp_pkey) + + def x25519_supported(self): + if self._fips_enabled: + return False + return not self._lib.CRYPTOGRAPHY_IS_LIBRESSL + + def x448_load_public_bytes(self, data): + if len(data) != 56: + raise ValueError("An X448 public key is 56 bytes long") + + evp_pkey = self._lib.EVP_PKEY_new_raw_public_key( + self._lib.NID_X448, self._ffi.NULL, data, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return _X448PublicKey(self, evp_pkey) + + def x448_load_private_bytes(self, data): + if len(data) != 56: + raise ValueError("An X448 private key is 56 bytes long") + + data_ptr = self._ffi.from_buffer(data) + evp_pkey = self._lib.EVP_PKEY_new_raw_private_key( + self._lib.NID_X448, self._ffi.NULL, data_ptr, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + return _X448PrivateKey(self, evp_pkey) + + def x448_generate_key(self): + evp_pkey = self._evp_pkey_keygen_gc(self._lib.NID_X448) + return _X448PrivateKey(self, evp_pkey) + + def x448_supported(self): + if self._fips_enabled: + return False + return not self._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_111 + + def ed25519_supported(self): + if self._fips_enabled: + return False + return not self._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_111B + + def ed25519_load_public_bytes(self, data): + utils._check_bytes("data", data) + + if len(data) != ed25519._ED25519_KEY_SIZE: + raise ValueError("An Ed25519 public key is 32 bytes long") + + evp_pkey = self._lib.EVP_PKEY_new_raw_public_key( + self._lib.NID_ED25519, self._ffi.NULL, data, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + return _Ed25519PublicKey(self, evp_pkey) + + def ed25519_load_private_bytes(self, data): + if len(data) != ed25519._ED25519_KEY_SIZE: + raise ValueError("An Ed25519 private key is 32 bytes long") + + utils._check_byteslike("data", data) + data_ptr = self._ffi.from_buffer(data) + evp_pkey = self._lib.EVP_PKEY_new_raw_private_key( + self._lib.NID_ED25519, self._ffi.NULL, data_ptr, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + return _Ed25519PrivateKey(self, evp_pkey) + + def ed25519_generate_key(self): + evp_pkey = self._evp_pkey_keygen_gc(self._lib.NID_ED25519) + return _Ed25519PrivateKey(self, evp_pkey) + + def ed448_supported(self): + if self._fips_enabled: + return False + return not self._lib.CRYPTOGRAPHY_OPENSSL_LESS_THAN_111B + + def ed448_load_public_bytes(self, data): + utils._check_bytes("data", data) + if len(data) != _ED448_KEY_SIZE: + raise ValueError("An Ed448 public key is 57 bytes long") + + evp_pkey = self._lib.EVP_PKEY_new_raw_public_key( + self._lib.NID_ED448, self._ffi.NULL, data, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + return _Ed448PublicKey(self, evp_pkey) + + def ed448_load_private_bytes(self, data): + utils._check_byteslike("data", data) + if len(data) != _ED448_KEY_SIZE: + raise ValueError("An Ed448 private key is 57 bytes long") + + data_ptr = self._ffi.from_buffer(data) + evp_pkey = self._lib.EVP_PKEY_new_raw_private_key( + self._lib.NID_ED448, self._ffi.NULL, data_ptr, len(data) + ) + self.openssl_assert(evp_pkey != self._ffi.NULL) + evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + + return _Ed448PrivateKey(self, evp_pkey) + + def ed448_generate_key(self): + evp_pkey = self._evp_pkey_keygen_gc(self._lib.NID_ED448) + return _Ed448PrivateKey(self, evp_pkey) + + def derive_scrypt(self, key_material, salt, length, n, r, p): + buf = self._ffi.new("unsigned char[]", length) + key_material_ptr = self._ffi.from_buffer(key_material) + res = self._lib.EVP_PBE_scrypt( + key_material_ptr, + len(key_material), + salt, + len(salt), + n, + r, + p, + scrypt._MEM_LIMIT, + buf, + length, + ) + if res != 1: + errors = self._consume_errors_with_text() + # memory required formula explained here: + # https://blog.filippo.io/the-scrypt-parameters/ + min_memory = 128 * n * r // (1024 ** 2) + raise MemoryError( + "Not enough memory to derive key. These parameters require" + " {} MB of memory.".format(min_memory), + errors, + ) + return self._ffi.buffer(buf)[:] + + def aead_cipher_supported(self, cipher): + cipher_name = aead._aead_cipher_name(cipher) + if self._fips_enabled and cipher_name not in self._fips_aead: + return False + return self._lib.EVP_get_cipherbyname(cipher_name) != self._ffi.NULL + + @contextlib.contextmanager + def _zeroed_bytearray(self, length): + """ + This method creates a bytearray, which we copy data into (hopefully + also from a mutable buffer that can be dynamically erased!), and then + zero when we're done. + """ + ba = bytearray(length) + try: + yield ba + finally: + self._zero_data(ba, length) + + def _zero_data(self, data, length): + # We clear things this way because at the moment we're not + # sure of a better way that can guarantee it overwrites the + # memory of a bytearray and doesn't just replace the underlying char *. + for i in range(length): + data[i] = 0 + + @contextlib.contextmanager + def _zeroed_null_terminated_buf(self, data): + """ + This method takes bytes, which can be a bytestring or a mutable + buffer like a bytearray, and yields a null-terminated version of that + data. This is required because PKCS12_parse doesn't take a length with + its password char * and ffi.from_buffer doesn't provide null + termination. So, to support zeroing the data via bytearray we + need to build this ridiculous construct that copies the memory, but + zeroes it after use. + """ + if data is None: + yield self._ffi.NULL + else: + data_len = len(data) + buf = self._ffi.new("char[]", data_len + 1) + self._ffi.memmove(buf, data, data_len) + try: + yield buf + finally: + # Cast to a uint8_t * so we can assign by integer + self._zero_data(self._ffi.cast("uint8_t *", buf), data_len) + + def load_key_and_certificates_from_pkcs12(self, data, password): + if password is not None: + utils._check_byteslike("password", password) + + bio = self._bytes_to_bio(data) + p12 = self._lib.d2i_PKCS12_bio(bio.bio, self._ffi.NULL) + if p12 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Could not deserialize PKCS12 data") + + p12 = self._ffi.gc(p12, self._lib.PKCS12_free) + evp_pkey_ptr = self._ffi.new("EVP_PKEY **") + x509_ptr = self._ffi.new("X509 **") + sk_x509_ptr = self._ffi.new("Cryptography_STACK_OF_X509 **") + with self._zeroed_null_terminated_buf(password) as password_buf: + res = self._lib.PKCS12_parse( + p12, password_buf, evp_pkey_ptr, x509_ptr, sk_x509_ptr + ) + + if res == 0: + self._consume_errors() + raise ValueError("Invalid password or PKCS12 data") + + cert = None + key = None + additional_certificates = [] + + if evp_pkey_ptr[0] != self._ffi.NULL: + evp_pkey = self._ffi.gc(evp_pkey_ptr[0], self._lib.EVP_PKEY_free) + key = self._evp_pkey_to_private_key(evp_pkey) + + if x509_ptr[0] != self._ffi.NULL: + x509 = self._ffi.gc(x509_ptr[0], self._lib.X509_free) + cert = _Certificate(self, x509) + + if sk_x509_ptr[0] != self._ffi.NULL: + sk_x509 = self._ffi.gc(sk_x509_ptr[0], self._lib.sk_X509_free) + num = self._lib.sk_X509_num(sk_x509_ptr[0]) + for i in range(num): + x509 = self._lib.sk_X509_value(sk_x509, i) + self.openssl_assert(x509 != self._ffi.NULL) + x509 = self._ffi.gc(x509, self._lib.X509_free) + additional_certificates.append(_Certificate(self, x509)) + + return (key, cert, additional_certificates) + + def serialize_key_and_certificates_to_pkcs12( + self, name, key, cert, cas, encryption_algorithm + ): + password = None + if name is not None: + utils._check_bytes("name", name) + + if isinstance(encryption_algorithm, serialization.NoEncryption): + nid_cert = -1 + nid_key = -1 + pkcs12_iter = 0 + mac_iter = 0 + elif isinstance( + encryption_algorithm, serialization.BestAvailableEncryption + ): + # PKCS12 encryption is hopeless trash and can never be fixed. + # This is the least terrible option. + nid_cert = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + nid_key = self._lib.NID_pbe_WithSHA1And3_Key_TripleDES_CBC + # At least we can set this higher than OpenSSL's default + pkcs12_iter = 20000 + # mac_iter chosen for compatibility reasons, see: + # https://www.openssl.org/docs/man1.1.1/man3/PKCS12_create.html + # Did we mention how lousy PKCS12 encryption is? + mac_iter = 1 + password = encryption_algorithm.password + else: + raise ValueError("Unsupported key encryption type") + + if cas is None or len(cas) == 0: + sk_x509 = self._ffi.NULL + else: + sk_x509 = self._lib.sk_X509_new_null() + sk_x509 = self._ffi.gc(sk_x509, self._lib.sk_X509_free) + + # reverse the list when building the stack so that they're encoded + # in the order they were originally provided. it is a mystery + for ca in reversed(cas): + res = self._lib.sk_X509_push(sk_x509, ca._x509) + backend.openssl_assert(res >= 1) + + with self._zeroed_null_terminated_buf(password) as password_buf: + with self._zeroed_null_terminated_buf(name) as name_buf: + p12 = self._lib.PKCS12_create( + password_buf, + name_buf, + key._evp_pkey if key else self._ffi.NULL, + cert._x509 if cert else self._ffi.NULL, + sk_x509, + nid_key, + nid_cert, + pkcs12_iter, + mac_iter, + 0, + ) + + self.openssl_assert(p12 != self._ffi.NULL) + p12 = self._ffi.gc(p12, self._lib.PKCS12_free) + + bio = self._create_mem_bio_gc() + res = self._lib.i2d_PKCS12_bio(bio, p12) + self.openssl_assert(res > 0) + return self._read_mem_bio(bio) + + def poly1305_supported(self): + if self._fips_enabled: + return False + return self._lib.Cryptography_HAS_POLY1305 == 1 + + def create_poly1305_ctx(self, key): + utils._check_byteslike("key", key) + if len(key) != _POLY1305_KEY_SIZE: + raise ValueError("A poly1305 key is 32 bytes long") + + return _Poly1305Context(self, key) + + def load_pem_pkcs7_certificates(self, data): + utils._check_bytes("data", data) + bio = self._bytes_to_bio(data) + p7 = self._lib.PEM_read_bio_PKCS7( + bio.bio, self._ffi.NULL, self._ffi.NULL, self._ffi.NULL + ) + if p7 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to parse PKCS7 data") + + p7 = self._ffi.gc(p7, self._lib.PKCS7_free) + return self._load_pkcs7_certificates(p7) + + def load_der_pkcs7_certificates(self, data): + utils._check_bytes("data", data) + bio = self._bytes_to_bio(data) + p7 = self._lib.d2i_PKCS7_bio(bio.bio, self._ffi.NULL) + if p7 == self._ffi.NULL: + self._consume_errors() + raise ValueError("Unable to parse PKCS7 data") + + p7 = self._ffi.gc(p7, self._lib.PKCS7_free) + return self._load_pkcs7_certificates(p7) + + def _load_pkcs7_certificates(self, p7): + nid = self._lib.OBJ_obj2nid(p7.type) + self.openssl_assert(nid != self._lib.NID_undef) + if nid != self._lib.NID_pkcs7_signed: + raise UnsupportedAlgorithm( + "Only basic signed structures are currently supported. NID" + " for this data was {}".format(nid), + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + + sk_x509 = p7.d.sign.cert + num = self._lib.sk_X509_num(sk_x509) + certs = [] + for i in range(num): + x509 = self._lib.sk_X509_value(sk_x509, i) + self.openssl_assert(x509 != self._ffi.NULL) + res = self._lib.X509_up_ref(x509) + # When OpenSSL is less than 1.1.0 up_ref returns the current + # refcount. On 1.1.0+ it returns 1 for success. + self.openssl_assert(res >= 1) + x509 = self._ffi.gc(x509, self._lib.X509_free) + certs.append(_Certificate(self, x509)) + + return certs + + def pkcs7_sign(self, builder, encoding, options): + bio = self._bytes_to_bio(builder._data) + init_flags = self._lib.PKCS7_PARTIAL + final_flags = 0 + + if len(builder._additional_certs) == 0: + certs = self._ffi.NULL + else: + certs = self._lib.sk_X509_new_null() + certs = self._ffi.gc(certs, self._lib.sk_X509_free) + for cert in builder._additional_certs: + res = self._lib.sk_X509_push(certs, cert._x509) + self.openssl_assert(res >= 1) + + if pkcs7.PKCS7Options.DetachedSignature in options: + # Don't embed the data in the PKCS7 structure + init_flags |= self._lib.PKCS7_DETACHED + final_flags |= self._lib.PKCS7_DETACHED + + # This just inits a structure for us. However, there + # are flags we need to set, joy. + p7 = self._lib.PKCS7_sign( + self._ffi.NULL, + self._ffi.NULL, + certs, + self._ffi.NULL, + init_flags, + ) + self.openssl_assert(p7 != self._ffi.NULL) + p7 = self._ffi.gc(p7, self._lib.PKCS7_free) + signer_flags = 0 + # These flags are configurable on a per-signature basis + # but we've deliberately chosen to make the API only allow + # setting it across all signatures for now. + if pkcs7.PKCS7Options.NoCapabilities in options: + signer_flags |= self._lib.PKCS7_NOSMIMECAP + elif pkcs7.PKCS7Options.NoAttributes in options: + signer_flags |= self._lib.PKCS7_NOATTR + + if pkcs7.PKCS7Options.NoCerts in options: + signer_flags |= self._lib.PKCS7_NOCERTS + + for certificate, private_key, hash_algorithm in builder._signers: + md = self._evp_md_non_null_from_algorithm(hash_algorithm) + p7signerinfo = self._lib.PKCS7_sign_add_signer( + p7, certificate._x509, private_key._evp_pkey, md, signer_flags + ) + self.openssl_assert(p7signerinfo != self._ffi.NULL) + + for option in options: + # DetachedSignature, NoCapabilities, and NoAttributes are already + # handled so we just need to check these last two options. + if option is pkcs7.PKCS7Options.Text: + final_flags |= self._lib.PKCS7_TEXT + elif option is pkcs7.PKCS7Options.Binary: + final_flags |= self._lib.PKCS7_BINARY + + bio_out = self._create_mem_bio_gc() + if encoding is serialization.Encoding.SMIME: + # This finalizes the structure + res = self._lib.SMIME_write_PKCS7( + bio_out, p7, bio.bio, final_flags + ) + elif encoding is serialization.Encoding.PEM: + res = self._lib.PKCS7_final(p7, bio.bio, final_flags) + self.openssl_assert(res == 1) + res = self._lib.PEM_write_bio_PKCS7_stream( + bio_out, p7, bio.bio, final_flags + ) + else: + assert encoding is serialization.Encoding.DER + # We need to call finalize here becauase i2d_PKCS7_bio does not + # finalize. + res = self._lib.PKCS7_final(p7, bio.bio, final_flags) + self.openssl_assert(res == 1) + res = self._lib.i2d_PKCS7_bio(bio_out, p7) + self.openssl_assert(res == 1) + return self._read_mem_bio(bio_out) + + +class GetCipherByName(object): + def __init__(self, fmt): + self._fmt = fmt + + def __call__(self, backend, cipher, mode): + cipher_name = self._fmt.format(cipher=cipher, mode=mode).lower() + return backend._lib.EVP_get_cipherbyname(cipher_name.encode("ascii")) + + +def _get_xts_cipher(backend, cipher, mode): + cipher_name = "aes-{}-xts".format(cipher.key_size // 2) + return backend._lib.EVP_get_cipherbyname(cipher_name.encode("ascii")) + + +backend = Backend() diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ciphers.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ciphers.py new file mode 100644 index 0000000..0f96795 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ciphers.py @@ -0,0 +1,230 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import InvalidTag, UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import ciphers +from cryptography.hazmat.primitives.ciphers import modes + + +@utils.register_interface(ciphers.CipherContext) +@utils.register_interface(ciphers.AEADCipherContext) +@utils.register_interface(ciphers.AEADEncryptionContext) +@utils.register_interface(ciphers.AEADDecryptionContext) +class _CipherContext(object): + _ENCRYPT = 1 + _DECRYPT = 0 + _MAX_CHUNK_SIZE = 2 ** 30 - 1 + + def __init__(self, backend, cipher, mode, operation): + self._backend = backend + self._cipher = cipher + self._mode = mode + self._operation = operation + self._tag = None + + if isinstance(self._cipher, ciphers.BlockCipherAlgorithm): + self._block_size_bytes = self._cipher.block_size // 8 + else: + self._block_size_bytes = 1 + + ctx = self._backend._lib.EVP_CIPHER_CTX_new() + ctx = self._backend._ffi.gc( + ctx, self._backend._lib.EVP_CIPHER_CTX_free + ) + + registry = self._backend._cipher_registry + try: + adapter = registry[type(cipher), type(mode)] + except KeyError: + raise UnsupportedAlgorithm( + "cipher {} in {} mode is not supported " + "by this backend.".format( + cipher.name, mode.name if mode else mode + ), + _Reasons.UNSUPPORTED_CIPHER, + ) + + evp_cipher = adapter(self._backend, cipher, mode) + if evp_cipher == self._backend._ffi.NULL: + msg = "cipher {0.name} ".format(cipher) + if mode is not None: + msg += "in {0.name} mode ".format(mode) + msg += ( + "is not supported by this backend (Your version of OpenSSL " + "may be too old. Current version: {}.)" + ).format(self._backend.openssl_version_text()) + raise UnsupportedAlgorithm(msg, _Reasons.UNSUPPORTED_CIPHER) + + if isinstance(mode, modes.ModeWithInitializationVector): + iv_nonce = self._backend._ffi.from_buffer( + mode.initialization_vector + ) + elif isinstance(mode, modes.ModeWithTweak): + iv_nonce = self._backend._ffi.from_buffer(mode.tweak) + elif isinstance(mode, modes.ModeWithNonce): + iv_nonce = self._backend._ffi.from_buffer(mode.nonce) + elif isinstance(cipher, modes.ModeWithNonce): + iv_nonce = self._backend._ffi.from_buffer(cipher.nonce) + else: + iv_nonce = self._backend._ffi.NULL + # begin init with cipher and operation type + res = self._backend._lib.EVP_CipherInit_ex( + ctx, + evp_cipher, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + operation, + ) + self._backend.openssl_assert(res != 0) + # set the key length to handle variable key ciphers + res = self._backend._lib.EVP_CIPHER_CTX_set_key_length( + ctx, len(cipher.key) + ) + self._backend.openssl_assert(res != 0) + if isinstance(mode, modes.GCM): + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + self._backend._lib.EVP_CTRL_AEAD_SET_IVLEN, + len(iv_nonce), + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(res != 0) + if mode.tag is not None: + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + ctx, + self._backend._lib.EVP_CTRL_AEAD_SET_TAG, + len(mode.tag), + mode.tag, + ) + self._backend.openssl_assert(res != 0) + self._tag = mode.tag + + # pass key/iv + res = self._backend._lib.EVP_CipherInit_ex( + ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.from_buffer(cipher.key), + iv_nonce, + operation, + ) + self._backend.openssl_assert(res != 0) + # We purposely disable padding here as it's handled higher up in the + # API. + self._backend._lib.EVP_CIPHER_CTX_set_padding(ctx, 0) + self._ctx = ctx + + def update(self, data: bytes) -> bytes: + buf = bytearray(len(data) + self._block_size_bytes - 1) + n = self.update_into(data, buf) + return bytes(buf[:n]) + + def update_into(self, data: bytes, buf) -> int: + total_data_len = len(data) + if len(buf) < (total_data_len + self._block_size_bytes - 1): + raise ValueError( + "buffer must be at least {} bytes for this " + "payload".format(len(data) + self._block_size_bytes - 1) + ) + + data_processed = 0 + total_out = 0 + outlen = self._backend._ffi.new("int *") + baseoutbuf = self._backend._ffi.from_buffer(buf) + baseinbuf = self._backend._ffi.from_buffer(data) + + while data_processed != total_data_len: + outbuf = baseoutbuf + total_out + inbuf = baseinbuf + data_processed + inlen = min(self._MAX_CHUNK_SIZE, total_data_len - data_processed) + + res = self._backend._lib.EVP_CipherUpdate( + self._ctx, outbuf, outlen, inbuf, inlen + ) + self._backend.openssl_assert(res != 0) + data_processed += inlen + total_out += outlen[0] + + return total_out + + def finalize(self) -> bytes: + if ( + self._operation == self._DECRYPT + and isinstance(self._mode, modes.ModeWithAuthenticationTag) + and self.tag is None + ): + raise ValueError( + "Authentication tag must be provided when decrypting." + ) + + buf = self._backend._ffi.new("unsigned char[]", self._block_size_bytes) + outlen = self._backend._ffi.new("int *") + res = self._backend._lib.EVP_CipherFinal_ex(self._ctx, buf, outlen) + if res == 0: + errors = self._backend._consume_errors() + + if not errors and isinstance(self._mode, modes.GCM): + raise InvalidTag + + self._backend.openssl_assert( + errors[0]._lib_reason_match( + self._backend._lib.ERR_LIB_EVP, + self._backend._lib.EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH, + ), + errors=errors, + ) + raise ValueError( + "The length of the provided data is not a multiple of " + "the block length." + ) + + if ( + isinstance(self._mode, modes.GCM) + and self._operation == self._ENCRYPT + ): + tag_buf = self._backend._ffi.new( + "unsigned char[]", self._block_size_bytes + ) + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + self._ctx, + self._backend._lib.EVP_CTRL_AEAD_GET_TAG, + self._block_size_bytes, + tag_buf, + ) + self._backend.openssl_assert(res != 0) + self._tag = self._backend._ffi.buffer(tag_buf)[:] + + res = self._backend._lib.EVP_CIPHER_CTX_reset(self._ctx) + self._backend.openssl_assert(res == 1) + return self._backend._ffi.buffer(buf)[: outlen[0]] + + def finalize_with_tag(self, tag: bytes) -> bytes: + if len(tag) < self._mode._min_tag_length: + raise ValueError( + "Authentication tag must be {} bytes or longer.".format( + self._mode._min_tag_length + ) + ) + res = self._backend._lib.EVP_CIPHER_CTX_ctrl( + self._ctx, self._backend._lib.EVP_CTRL_AEAD_SET_TAG, len(tag), tag + ) + self._backend.openssl_assert(res != 0) + self._tag = tag + return self.finalize() + + def authenticate_additional_data(self, data: bytes) -> None: + outlen = self._backend._ffi.new("int *") + res = self._backend._lib.EVP_CipherUpdate( + self._ctx, + self._backend._ffi.NULL, + outlen, + self._backend._ffi.from_buffer(data), + len(data), + ) + self._backend.openssl_assert(res != 0) + + tag = utils.read_only_property("_tag") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/cmac.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/cmac.py new file mode 100644 index 0000000..a00c10c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/cmac.py @@ -0,0 +1,80 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.ciphers.modes import CBC + + +class _CMACContext(object): + def __init__(self, backend, algorithm, ctx=None): + if not backend.cmac_algorithm_supported(algorithm): + raise UnsupportedAlgorithm( + "This backend does not support CMAC.", + _Reasons.UNSUPPORTED_CIPHER, + ) + + self._backend = backend + self._key = algorithm.key + self._algorithm = algorithm + self._output_length = algorithm.block_size // 8 + + if ctx is None: + registry = self._backend._cipher_registry + adapter = registry[type(algorithm), CBC] + + evp_cipher = adapter(self._backend, algorithm, CBC) + + ctx = self._backend._lib.CMAC_CTX_new() + + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + ctx = self._backend._ffi.gc(ctx, self._backend._lib.CMAC_CTX_free) + + key_ptr = self._backend._ffi.from_buffer(self._key) + res = self._backend._lib.CMAC_Init( + ctx, + key_ptr, + len(self._key), + evp_cipher, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(res == 1) + + self._ctx = ctx + + algorithm = utils.read_only_property("_algorithm") + + def update(self, data: bytes) -> None: + res = self._backend._lib.CMAC_Update(self._ctx, data, len(data)) + self._backend.openssl_assert(res == 1) + + def finalize(self) -> bytes: + buf = self._backend._ffi.new("unsigned char[]", self._output_length) + length = self._backend._ffi.new("size_t *", self._output_length) + res = self._backend._lib.CMAC_Final(self._ctx, buf, length) + self._backend.openssl_assert(res == 1) + + self._ctx = None + + return self._backend._ffi.buffer(buf)[:] + + def copy(self) -> "_CMACContext": + copied_ctx = self._backend._lib.CMAC_CTX_new() + copied_ctx = self._backend._ffi.gc( + copied_ctx, self._backend._lib.CMAC_CTX_free + ) + res = self._backend._lib.CMAC_CTX_copy(copied_ctx, self._ctx) + self._backend.openssl_assert(res == 1) + return _CMACContext(self._backend, self._algorithm, ctx=copied_ctx) + + def verify(self, signature: bytes) -> None: + digest = self.finalize() + if not constant_time.bytes_eq(digest, signature): + raise InvalidSignature("Signature did not match digest.") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py new file mode 100644 index 0000000..167acc0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/decode_asn1.py @@ -0,0 +1,875 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import datetime +import ipaddress + +from cryptography import x509 +from cryptography.hazmat._der import DERReader, INTEGER, NULL, SEQUENCE +from cryptography.x509.extensions import _TLS_FEATURE_TYPE_TO_ENUM +from cryptography.x509.name import _ASN1_TYPE_TO_ENUM +from cryptography.x509.oid import ( + CRLEntryExtensionOID, + CertificatePoliciesOID, + ExtensionOID, + OCSPExtensionOID, +) + + +def _obj2txt(backend, obj): + # Set to 80 on the recommendation of + # https://www.openssl.org/docs/crypto/OBJ_nid2ln.html#return_values + # + # But OIDs longer than this occur in real life (e.g. Active + # Directory makes some very long OIDs). So we need to detect + # and properly handle the case where the default buffer is not + # big enough. + # + buf_len = 80 + buf = backend._ffi.new("char[]", buf_len) + + # 'res' is the number of bytes that *would* be written if the + # buffer is large enough. If 'res' > buf_len - 1, we need to + # alloc a big-enough buffer and go again. + res = backend._lib.OBJ_obj2txt(buf, buf_len, obj, 1) + if res > buf_len - 1: # account for terminating null byte + buf_len = res + 1 + buf = backend._ffi.new("char[]", buf_len) + res = backend._lib.OBJ_obj2txt(buf, buf_len, obj, 1) + backend.openssl_assert(res > 0) + return backend._ffi.buffer(buf, res)[:].decode() + + +def _decode_x509_name_entry(backend, x509_name_entry): + obj = backend._lib.X509_NAME_ENTRY_get_object(x509_name_entry) + backend.openssl_assert(obj != backend._ffi.NULL) + data = backend._lib.X509_NAME_ENTRY_get_data(x509_name_entry) + backend.openssl_assert(data != backend._ffi.NULL) + value = _asn1_string_to_utf8(backend, data) + oid = _obj2txt(backend, obj) + type = _ASN1_TYPE_TO_ENUM[data.type] + + return x509.NameAttribute(x509.ObjectIdentifier(oid), value, type) + + +def _decode_x509_name(backend, x509_name): + count = backend._lib.X509_NAME_entry_count(x509_name) + attributes = [] + prev_set_id = -1 + for x in range(count): + entry = backend._lib.X509_NAME_get_entry(x509_name, x) + attribute = _decode_x509_name_entry(backend, entry) + set_id = backend._lib.X509_NAME_ENTRY_set(entry) + if set_id != prev_set_id: + attributes.append({attribute}) + else: + # is in the same RDN a previous entry + attributes[-1].add(attribute) + prev_set_id = set_id + + return x509.Name(x509.RelativeDistinguishedName(rdn) for rdn in attributes) + + +def _decode_general_names(backend, gns): + num = backend._lib.sk_GENERAL_NAME_num(gns) + names = [] + for i in range(num): + gn = backend._lib.sk_GENERAL_NAME_value(gns, i) + backend.openssl_assert(gn != backend._ffi.NULL) + names.append(_decode_general_name(backend, gn)) + + return names + + +def _decode_general_name(backend, gn): + if gn.type == backend._lib.GEN_DNS: + # Convert to bytes and then decode to utf8. We don't use + # asn1_string_to_utf8 here because it doesn't properly convert + # utf8 from ia5strings. + data = _asn1_string_to_bytes(backend, gn.d.dNSName).decode("utf8") + # We don't use the constructor for DNSName so we can bypass validation + # This allows us to create DNSName objects that have unicode chars + # when a certificate (against the RFC) contains them. + return x509.DNSName._init_without_validation(data) + elif gn.type == backend._lib.GEN_URI: + # Convert to bytes and then decode to utf8. We don't use + # asn1_string_to_utf8 here because it doesn't properly convert + # utf8 from ia5strings. + data = _asn1_string_to_bytes( + backend, gn.d.uniformResourceIdentifier + ).decode("utf8") + # We don't use the constructor for URI so we can bypass validation + # This allows us to create URI objects that have unicode chars + # when a certificate (against the RFC) contains them. + return x509.UniformResourceIdentifier._init_without_validation(data) + elif gn.type == backend._lib.GEN_RID: + oid = _obj2txt(backend, gn.d.registeredID) + return x509.RegisteredID(x509.ObjectIdentifier(oid)) + elif gn.type == backend._lib.GEN_IPADD: + data = _asn1_string_to_bytes(backend, gn.d.iPAddress) + data_len = len(data) + if data_len == 8 or data_len == 32: + # This is an IPv4 or IPv6 Network and not a single IP. This + # type of data appears in Name Constraints. Unfortunately, + # ipaddress doesn't support packed bytes + netmask. Additionally, + # IPv6Network can only handle CIDR rather than the full 16 byte + # netmask. To handle this we convert the netmask to integer, then + # find the first 0 bit, which will be the prefix. If another 1 + # bit is present after that the netmask is invalid. + base = ipaddress.ip_address(data[: data_len // 2]) + netmask = ipaddress.ip_address(data[data_len // 2 :]) + bits = bin(int(netmask))[2:] + prefix = bits.find("0") + # If no 0 bits are found it is a /32 or /128 + if prefix == -1: + prefix = len(bits) + + if "1" in bits[prefix:]: + raise ValueError("Invalid netmask") + + ip = ipaddress.ip_network(base.exploded + "/{}".format(prefix)) + else: + ip = ipaddress.ip_address(data) + + return x509.IPAddress(ip) + elif gn.type == backend._lib.GEN_DIRNAME: + return x509.DirectoryName( + _decode_x509_name(backend, gn.d.directoryName) + ) + elif gn.type == backend._lib.GEN_EMAIL: + # Convert to bytes and then decode to utf8. We don't use + # asn1_string_to_utf8 here because it doesn't properly convert + # utf8 from ia5strings. + data = _asn1_string_to_bytes(backend, gn.d.rfc822Name).decode("utf8") + # We don't use the constructor for RFC822Name so we can bypass + # validation. This allows us to create RFC822Name objects that have + # unicode chars when a certificate (against the RFC) contains them. + return x509.RFC822Name._init_without_validation(data) + elif gn.type == backend._lib.GEN_OTHERNAME: + type_id = _obj2txt(backend, gn.d.otherName.type_id) + value = _asn1_to_der(backend, gn.d.otherName.value) + return x509.OtherName(x509.ObjectIdentifier(type_id), value) + else: + # x400Address or ediPartyName + raise x509.UnsupportedGeneralNameType( + "{} is not a supported type".format( + x509._GENERAL_NAMES.get(gn.type, gn.type) + ), + gn.type, + ) + + +def _decode_ocsp_no_check(backend, ext): + return x509.OCSPNoCheck() + + +def _decode_crl_number(backend, ext): + asn1_int = backend._ffi.cast("ASN1_INTEGER *", ext) + asn1_int = backend._ffi.gc(asn1_int, backend._lib.ASN1_INTEGER_free) + return x509.CRLNumber(_asn1_integer_to_int(backend, asn1_int)) + + +def _decode_delta_crl_indicator(backend, ext): + asn1_int = backend._ffi.cast("ASN1_INTEGER *", ext) + asn1_int = backend._ffi.gc(asn1_int, backend._lib.ASN1_INTEGER_free) + return x509.DeltaCRLIndicator(_asn1_integer_to_int(backend, asn1_int)) + + +class _X509ExtensionParser(object): + def __init__(self, backend, ext_count, get_ext, handlers): + self.ext_count = ext_count + self.get_ext = get_ext + self.handlers = handlers + self._backend = backend + + def parse(self, x509_obj): + extensions = [] + seen_oids = set() + for i in range(self.ext_count(x509_obj)): + ext = self.get_ext(x509_obj, i) + self._backend.openssl_assert(ext != self._backend._ffi.NULL) + crit = self._backend._lib.X509_EXTENSION_get_critical(ext) + critical = crit == 1 + oid = x509.ObjectIdentifier( + _obj2txt( + self._backend, + self._backend._lib.X509_EXTENSION_get_object(ext), + ) + ) + if oid in seen_oids: + raise x509.DuplicateExtension( + "Duplicate {} extension found".format(oid), oid + ) + + # These OIDs are only supported in OpenSSL 1.1.0+ but we want + # to support them in all versions of OpenSSL so we decode them + # ourselves. + if oid == ExtensionOID.TLS_FEATURE: + # The extension contents are a SEQUENCE OF INTEGERs. + data = self._backend._lib.X509_EXTENSION_get_data(ext) + data_bytes = _asn1_string_to_bytes(self._backend, data) + features = DERReader(data_bytes).read_single_element(SEQUENCE) + parsed = [] + while not features.is_empty(): + parsed.append(features.read_element(INTEGER).as_integer()) + # Map the features to their enum value. + value = x509.TLSFeature( + [_TLS_FEATURE_TYPE_TO_ENUM[x] for x in parsed] + ) + extensions.append(x509.Extension(oid, critical, value)) + seen_oids.add(oid) + continue + elif oid == ExtensionOID.PRECERT_POISON: + data = self._backend._lib.X509_EXTENSION_get_data(ext) + # The contents of the extension must be an ASN.1 NULL. + reader = DERReader(_asn1_string_to_bytes(self._backend, data)) + reader.read_single_element(NULL).check_empty() + extensions.append( + x509.Extension(oid, critical, x509.PrecertPoison()) + ) + seen_oids.add(oid) + continue + + try: + handler = self.handlers[oid] + except KeyError: + # Dump the DER payload into an UnrecognizedExtension object + data = self._backend._lib.X509_EXTENSION_get_data(ext) + self._backend.openssl_assert(data != self._backend._ffi.NULL) + der = self._backend._ffi.buffer(data.data, data.length)[:] + unrecognized = x509.UnrecognizedExtension(oid, der) + extensions.append(x509.Extension(oid, critical, unrecognized)) + else: + ext_data = self._backend._lib.X509V3_EXT_d2i(ext) + if ext_data == self._backend._ffi.NULL: + self._backend._consume_errors() + raise ValueError( + "The {} extension is invalid and can't be " + "parsed".format(oid) + ) + + value = handler(self._backend, ext_data) + extensions.append(x509.Extension(oid, critical, value)) + + seen_oids.add(oid) + + return x509.Extensions(extensions) + + +def _decode_certificate_policies(backend, cp): + cp = backend._ffi.cast("Cryptography_STACK_OF_POLICYINFO *", cp) + cp = backend._ffi.gc(cp, backend._lib.CERTIFICATEPOLICIES_free) + + num = backend._lib.sk_POLICYINFO_num(cp) + certificate_policies = [] + for i in range(num): + qualifiers = None + pi = backend._lib.sk_POLICYINFO_value(cp, i) + oid = x509.ObjectIdentifier(_obj2txt(backend, pi.policyid)) + if pi.qualifiers != backend._ffi.NULL: + qnum = backend._lib.sk_POLICYQUALINFO_num(pi.qualifiers) + qualifiers = [] + for j in range(qnum): + pqi = backend._lib.sk_POLICYQUALINFO_value(pi.qualifiers, j) + pqualid = x509.ObjectIdentifier(_obj2txt(backend, pqi.pqualid)) + if pqualid == CertificatePoliciesOID.CPS_QUALIFIER: + cpsuri = backend._ffi.buffer( + pqi.d.cpsuri.data, pqi.d.cpsuri.length + )[:].decode("ascii") + qualifiers.append(cpsuri) + else: + assert pqualid == CertificatePoliciesOID.CPS_USER_NOTICE + user_notice = _decode_user_notice( + backend, pqi.d.usernotice + ) + qualifiers.append(user_notice) + + certificate_policies.append(x509.PolicyInformation(oid, qualifiers)) + + return x509.CertificatePolicies(certificate_policies) + + +def _decode_user_notice(backend, un): + explicit_text = None + notice_reference = None + + if un.exptext != backend._ffi.NULL: + explicit_text = _asn1_string_to_utf8(backend, un.exptext) + + if un.noticeref != backend._ffi.NULL: + organization = _asn1_string_to_utf8(backend, un.noticeref.organization) + + num = backend._lib.sk_ASN1_INTEGER_num(un.noticeref.noticenos) + notice_numbers = [] + for i in range(num): + asn1_int = backend._lib.sk_ASN1_INTEGER_value( + un.noticeref.noticenos, i + ) + notice_num = _asn1_integer_to_int(backend, asn1_int) + notice_numbers.append(notice_num) + + notice_reference = x509.NoticeReference(organization, notice_numbers) + + return x509.UserNotice(notice_reference, explicit_text) + + +def _decode_basic_constraints(backend, bc_st): + basic_constraints = backend._ffi.cast("BASIC_CONSTRAINTS *", bc_st) + basic_constraints = backend._ffi.gc( + basic_constraints, backend._lib.BASIC_CONSTRAINTS_free + ) + # The byte representation of an ASN.1 boolean true is \xff. OpenSSL + # chooses to just map this to its ordinal value, so true is 255 and + # false is 0. + ca = basic_constraints.ca == 255 + path_length = _asn1_integer_to_int_or_none( + backend, basic_constraints.pathlen + ) + + return x509.BasicConstraints(ca, path_length) + + +def _decode_subject_key_identifier(backend, asn1_string): + asn1_string = backend._ffi.cast("ASN1_OCTET_STRING *", asn1_string) + asn1_string = backend._ffi.gc( + asn1_string, backend._lib.ASN1_OCTET_STRING_free + ) + return x509.SubjectKeyIdentifier( + backend._ffi.buffer(asn1_string.data, asn1_string.length)[:] + ) + + +def _decode_authority_key_identifier(backend, akid): + akid = backend._ffi.cast("AUTHORITY_KEYID *", akid) + akid = backend._ffi.gc(akid, backend._lib.AUTHORITY_KEYID_free) + key_identifier = None + authority_cert_issuer = None + + if akid.keyid != backend._ffi.NULL: + key_identifier = backend._ffi.buffer( + akid.keyid.data, akid.keyid.length + )[:] + + if akid.issuer != backend._ffi.NULL: + authority_cert_issuer = _decode_general_names(backend, akid.issuer) + + authority_cert_serial_number = _asn1_integer_to_int_or_none( + backend, akid.serial + ) + + return x509.AuthorityKeyIdentifier( + key_identifier, authority_cert_issuer, authority_cert_serial_number + ) + + +def _decode_information_access(backend, ia): + ia = backend._ffi.cast("Cryptography_STACK_OF_ACCESS_DESCRIPTION *", ia) + ia = backend._ffi.gc( + ia, + lambda x: backend._lib.sk_ACCESS_DESCRIPTION_pop_free( + x, + backend._ffi.addressof( + backend._lib._original_lib, "ACCESS_DESCRIPTION_free" + ), + ), + ) + num = backend._lib.sk_ACCESS_DESCRIPTION_num(ia) + access_descriptions = [] + for i in range(num): + ad = backend._lib.sk_ACCESS_DESCRIPTION_value(ia, i) + backend.openssl_assert(ad.method != backend._ffi.NULL) + oid = x509.ObjectIdentifier(_obj2txt(backend, ad.method)) + backend.openssl_assert(ad.location != backend._ffi.NULL) + gn = _decode_general_name(backend, ad.location) + access_descriptions.append(x509.AccessDescription(oid, gn)) + + return access_descriptions + + +def _decode_authority_information_access(backend, aia): + access_descriptions = _decode_information_access(backend, aia) + return x509.AuthorityInformationAccess(access_descriptions) + + +def _decode_subject_information_access(backend, aia): + access_descriptions = _decode_information_access(backend, aia) + return x509.SubjectInformationAccess(access_descriptions) + + +def _decode_key_usage(backend, bit_string): + bit_string = backend._ffi.cast("ASN1_BIT_STRING *", bit_string) + bit_string = backend._ffi.gc(bit_string, backend._lib.ASN1_BIT_STRING_free) + get_bit = backend._lib.ASN1_BIT_STRING_get_bit + digital_signature = get_bit(bit_string, 0) == 1 + content_commitment = get_bit(bit_string, 1) == 1 + key_encipherment = get_bit(bit_string, 2) == 1 + data_encipherment = get_bit(bit_string, 3) == 1 + key_agreement = get_bit(bit_string, 4) == 1 + key_cert_sign = get_bit(bit_string, 5) == 1 + crl_sign = get_bit(bit_string, 6) == 1 + encipher_only = get_bit(bit_string, 7) == 1 + decipher_only = get_bit(bit_string, 8) == 1 + return x509.KeyUsage( + digital_signature, + content_commitment, + key_encipherment, + data_encipherment, + key_agreement, + key_cert_sign, + crl_sign, + encipher_only, + decipher_only, + ) + + +def _decode_general_names_extension(backend, gns): + gns = backend._ffi.cast("GENERAL_NAMES *", gns) + gns = backend._ffi.gc(gns, backend._lib.GENERAL_NAMES_free) + general_names = _decode_general_names(backend, gns) + return general_names + + +def _decode_subject_alt_name(backend, ext): + return x509.SubjectAlternativeName( + _decode_general_names_extension(backend, ext) + ) + + +def _decode_issuer_alt_name(backend, ext): + return x509.IssuerAlternativeName( + _decode_general_names_extension(backend, ext) + ) + + +def _decode_name_constraints(backend, nc): + nc = backend._ffi.cast("NAME_CONSTRAINTS *", nc) + nc = backend._ffi.gc(nc, backend._lib.NAME_CONSTRAINTS_free) + permitted = _decode_general_subtrees(backend, nc.permittedSubtrees) + excluded = _decode_general_subtrees(backend, nc.excludedSubtrees) + return x509.NameConstraints( + permitted_subtrees=permitted, excluded_subtrees=excluded + ) + + +def _decode_general_subtrees(backend, stack_subtrees): + if stack_subtrees == backend._ffi.NULL: + return None + + num = backend._lib.sk_GENERAL_SUBTREE_num(stack_subtrees) + subtrees = [] + + for i in range(num): + obj = backend._lib.sk_GENERAL_SUBTREE_value(stack_subtrees, i) + backend.openssl_assert(obj != backend._ffi.NULL) + name = _decode_general_name(backend, obj.base) + subtrees.append(name) + + return subtrees + + +def _decode_issuing_dist_point(backend, idp): + idp = backend._ffi.cast("ISSUING_DIST_POINT *", idp) + idp = backend._ffi.gc(idp, backend._lib.ISSUING_DIST_POINT_free) + if idp.distpoint != backend._ffi.NULL: + full_name, relative_name = _decode_distpoint(backend, idp.distpoint) + else: + full_name = None + relative_name = None + + only_user = idp.onlyuser == 255 + only_ca = idp.onlyCA == 255 + indirect_crl = idp.indirectCRL == 255 + only_attr = idp.onlyattr == 255 + if idp.onlysomereasons != backend._ffi.NULL: + only_some_reasons = _decode_reasons(backend, idp.onlysomereasons) + else: + only_some_reasons = None + + return x509.IssuingDistributionPoint( + full_name, + relative_name, + only_user, + only_ca, + only_some_reasons, + indirect_crl, + only_attr, + ) + + +def _decode_policy_constraints(backend, pc): + pc = backend._ffi.cast("POLICY_CONSTRAINTS *", pc) + pc = backend._ffi.gc(pc, backend._lib.POLICY_CONSTRAINTS_free) + + require_explicit_policy = _asn1_integer_to_int_or_none( + backend, pc.requireExplicitPolicy + ) + inhibit_policy_mapping = _asn1_integer_to_int_or_none( + backend, pc.inhibitPolicyMapping + ) + + return x509.PolicyConstraints( + require_explicit_policy, inhibit_policy_mapping + ) + + +def _decode_extended_key_usage(backend, sk): + sk = backend._ffi.cast("Cryptography_STACK_OF_ASN1_OBJECT *", sk) + sk = backend._ffi.gc(sk, backend._lib.sk_ASN1_OBJECT_free) + num = backend._lib.sk_ASN1_OBJECT_num(sk) + ekus = [] + + for i in range(num): + obj = backend._lib.sk_ASN1_OBJECT_value(sk, i) + backend.openssl_assert(obj != backend._ffi.NULL) + oid = x509.ObjectIdentifier(_obj2txt(backend, obj)) + ekus.append(oid) + + return x509.ExtendedKeyUsage(ekus) + + +_DISTPOINT_TYPE_FULLNAME = 0 +_DISTPOINT_TYPE_RELATIVENAME = 1 + + +def _decode_dist_points(backend, cdps): + cdps = backend._ffi.cast("Cryptography_STACK_OF_DIST_POINT *", cdps) + cdps = backend._ffi.gc(cdps, backend._lib.CRL_DIST_POINTS_free) + + num = backend._lib.sk_DIST_POINT_num(cdps) + dist_points = [] + for i in range(num): + full_name = None + relative_name = None + crl_issuer = None + reasons = None + cdp = backend._lib.sk_DIST_POINT_value(cdps, i) + if cdp.reasons != backend._ffi.NULL: + reasons = _decode_reasons(backend, cdp.reasons) + + if cdp.CRLissuer != backend._ffi.NULL: + crl_issuer = _decode_general_names(backend, cdp.CRLissuer) + + # Certificates may have a crl_issuer/reasons and no distribution + # point so make sure it's not null. + if cdp.distpoint != backend._ffi.NULL: + full_name, relative_name = _decode_distpoint( + backend, cdp.distpoint + ) + + dist_points.append( + x509.DistributionPoint( + full_name, relative_name, reasons, crl_issuer + ) + ) + + return dist_points + + +# ReasonFlags ::= BIT STRING { +# unused (0), +# keyCompromise (1), +# cACompromise (2), +# affiliationChanged (3), +# superseded (4), +# cessationOfOperation (5), +# certificateHold (6), +# privilegeWithdrawn (7), +# aACompromise (8) } +_REASON_BIT_MAPPING = { + 1: x509.ReasonFlags.key_compromise, + 2: x509.ReasonFlags.ca_compromise, + 3: x509.ReasonFlags.affiliation_changed, + 4: x509.ReasonFlags.superseded, + 5: x509.ReasonFlags.cessation_of_operation, + 6: x509.ReasonFlags.certificate_hold, + 7: x509.ReasonFlags.privilege_withdrawn, + 8: x509.ReasonFlags.aa_compromise, +} + + +def _decode_reasons(backend, reasons): + # We will check each bit from RFC 5280 + enum_reasons = [] + for bit_position, reason in _REASON_BIT_MAPPING.items(): + if backend._lib.ASN1_BIT_STRING_get_bit(reasons, bit_position): + enum_reasons.append(reason) + + return frozenset(enum_reasons) + + +def _decode_distpoint(backend, distpoint): + if distpoint.type == _DISTPOINT_TYPE_FULLNAME: + full_name = _decode_general_names(backend, distpoint.name.fullname) + return full_name, None + + # OpenSSL code doesn't test for a specific type for + # relativename, everything that isn't fullname is considered + # relativename. Per RFC 5280: + # + # DistributionPointName ::= CHOICE { + # fullName [0] GeneralNames, + # nameRelativeToCRLIssuer [1] RelativeDistinguishedName } + rns = distpoint.name.relativename + rnum = backend._lib.sk_X509_NAME_ENTRY_num(rns) + attributes = set() + for i in range(rnum): + rn = backend._lib.sk_X509_NAME_ENTRY_value(rns, i) + backend.openssl_assert(rn != backend._ffi.NULL) + attributes.add(_decode_x509_name_entry(backend, rn)) + + relative_name = x509.RelativeDistinguishedName(attributes) + + return None, relative_name + + +def _decode_crl_distribution_points(backend, cdps): + dist_points = _decode_dist_points(backend, cdps) + return x509.CRLDistributionPoints(dist_points) + + +def _decode_freshest_crl(backend, cdps): + dist_points = _decode_dist_points(backend, cdps) + return x509.FreshestCRL(dist_points) + + +def _decode_inhibit_any_policy(backend, asn1_int): + asn1_int = backend._ffi.cast("ASN1_INTEGER *", asn1_int) + asn1_int = backend._ffi.gc(asn1_int, backend._lib.ASN1_INTEGER_free) + skip_certs = _asn1_integer_to_int(backend, asn1_int) + return x509.InhibitAnyPolicy(skip_certs) + + +def _decode_scts(backend, asn1_scts): + from cryptography.hazmat.backends.openssl.x509 import ( + _SignedCertificateTimestamp, + ) + + asn1_scts = backend._ffi.cast("Cryptography_STACK_OF_SCT *", asn1_scts) + asn1_scts = backend._ffi.gc(asn1_scts, backend._lib.SCT_LIST_free) + + scts = [] + for i in range(backend._lib.sk_SCT_num(asn1_scts)): + sct = backend._lib.sk_SCT_value(asn1_scts, i) + + scts.append(_SignedCertificateTimestamp(backend, asn1_scts, sct)) + return scts + + +def _decode_precert_signed_certificate_timestamps(backend, asn1_scts): + return x509.PrecertificateSignedCertificateTimestamps( + _decode_scts(backend, asn1_scts) + ) + + +def _decode_signed_certificate_timestamps(backend, asn1_scts): + return x509.SignedCertificateTimestamps(_decode_scts(backend, asn1_scts)) + + +# CRLReason ::= ENUMERATED { +# unspecified (0), +# keyCompromise (1), +# cACompromise (2), +# affiliationChanged (3), +# superseded (4), +# cessationOfOperation (5), +# certificateHold (6), +# -- value 7 is not used +# removeFromCRL (8), +# privilegeWithdrawn (9), +# aACompromise (10) } +_CRL_ENTRY_REASON_CODE_TO_ENUM = { + 0: x509.ReasonFlags.unspecified, + 1: x509.ReasonFlags.key_compromise, + 2: x509.ReasonFlags.ca_compromise, + 3: x509.ReasonFlags.affiliation_changed, + 4: x509.ReasonFlags.superseded, + 5: x509.ReasonFlags.cessation_of_operation, + 6: x509.ReasonFlags.certificate_hold, + 8: x509.ReasonFlags.remove_from_crl, + 9: x509.ReasonFlags.privilege_withdrawn, + 10: x509.ReasonFlags.aa_compromise, +} + + +_CRL_ENTRY_REASON_ENUM_TO_CODE = { + x509.ReasonFlags.unspecified: 0, + x509.ReasonFlags.key_compromise: 1, + x509.ReasonFlags.ca_compromise: 2, + x509.ReasonFlags.affiliation_changed: 3, + x509.ReasonFlags.superseded: 4, + x509.ReasonFlags.cessation_of_operation: 5, + x509.ReasonFlags.certificate_hold: 6, + x509.ReasonFlags.remove_from_crl: 8, + x509.ReasonFlags.privilege_withdrawn: 9, + x509.ReasonFlags.aa_compromise: 10, +} + + +def _decode_crl_reason(backend, enum): + enum = backend._ffi.cast("ASN1_ENUMERATED *", enum) + enum = backend._ffi.gc(enum, backend._lib.ASN1_ENUMERATED_free) + code = backend._lib.ASN1_ENUMERATED_get(enum) + + try: + return x509.CRLReason(_CRL_ENTRY_REASON_CODE_TO_ENUM[code]) + except KeyError: + raise ValueError("Unsupported reason code: {}".format(code)) + + +def _decode_invalidity_date(backend, inv_date): + generalized_time = backend._ffi.cast("ASN1_GENERALIZEDTIME *", inv_date) + generalized_time = backend._ffi.gc( + generalized_time, backend._lib.ASN1_GENERALIZEDTIME_free + ) + return x509.InvalidityDate( + _parse_asn1_generalized_time(backend, generalized_time) + ) + + +def _decode_cert_issuer(backend, gns): + gns = backend._ffi.cast("GENERAL_NAMES *", gns) + gns = backend._ffi.gc(gns, backend._lib.GENERAL_NAMES_free) + general_names = _decode_general_names(backend, gns) + return x509.CertificateIssuer(general_names) + + +def _asn1_to_der(backend, asn1_type): + buf = backend._ffi.new("unsigned char **") + res = backend._lib.i2d_ASN1_TYPE(asn1_type, buf) + backend.openssl_assert(res >= 0) + backend.openssl_assert(buf[0] != backend._ffi.NULL) + buf = backend._ffi.gc( + buf, lambda buffer: backend._lib.OPENSSL_free(buffer[0]) + ) + return backend._ffi.buffer(buf[0], res)[:] + + +def _asn1_integer_to_int(backend, asn1_int): + bn = backend._lib.ASN1_INTEGER_to_BN(asn1_int, backend._ffi.NULL) + backend.openssl_assert(bn != backend._ffi.NULL) + bn = backend._ffi.gc(bn, backend._lib.BN_free) + return backend._bn_to_int(bn) + + +def _asn1_integer_to_int_or_none(backend, asn1_int): + if asn1_int == backend._ffi.NULL: + return None + else: + return _asn1_integer_to_int(backend, asn1_int) + + +def _asn1_string_to_bytes(backend, asn1_string): + return backend._ffi.buffer(asn1_string.data, asn1_string.length)[:] + + +def _asn1_string_to_ascii(backend, asn1_string): + return _asn1_string_to_bytes(backend, asn1_string).decode("ascii") + + +def _asn1_string_to_utf8(backend, asn1_string) -> str: + buf = backend._ffi.new("unsigned char **") + res = backend._lib.ASN1_STRING_to_UTF8(buf, asn1_string) + if res == -1: + raise ValueError( + "Unsupported ASN1 string type. Type: {}".format(asn1_string.type) + ) + + backend.openssl_assert(buf[0] != backend._ffi.NULL) + buf = backend._ffi.gc( + buf, lambda buffer: backend._lib.OPENSSL_free(buffer[0]) + ) + return backend._ffi.buffer(buf[0], res)[:].decode("utf8") + + +def _parse_asn1_time(backend, asn1_time): + backend.openssl_assert(asn1_time != backend._ffi.NULL) + generalized_time = backend._lib.ASN1_TIME_to_generalizedtime( + asn1_time, backend._ffi.NULL + ) + if generalized_time == backend._ffi.NULL: + raise ValueError( + "Couldn't parse ASN.1 time as generalizedtime {!r}".format( + _asn1_string_to_bytes(backend, asn1_time) + ) + ) + + generalized_time = backend._ffi.gc( + generalized_time, backend._lib.ASN1_GENERALIZEDTIME_free + ) + return _parse_asn1_generalized_time(backend, generalized_time) + + +def _parse_asn1_generalized_time(backend, generalized_time): + time = _asn1_string_to_ascii( + backend, backend._ffi.cast("ASN1_STRING *", generalized_time) + ) + return datetime.datetime.strptime(time, "%Y%m%d%H%M%SZ") + + +def _decode_nonce(backend, nonce): + nonce = backend._ffi.cast("ASN1_OCTET_STRING *", nonce) + nonce = backend._ffi.gc(nonce, backend._lib.ASN1_OCTET_STRING_free) + return x509.OCSPNonce(_asn1_string_to_bytes(backend, nonce)) + + +_EXTENSION_HANDLERS_BASE = { + ExtensionOID.BASIC_CONSTRAINTS: _decode_basic_constraints, + ExtensionOID.SUBJECT_KEY_IDENTIFIER: _decode_subject_key_identifier, + ExtensionOID.KEY_USAGE: _decode_key_usage, + ExtensionOID.SUBJECT_ALTERNATIVE_NAME: _decode_subject_alt_name, + ExtensionOID.EXTENDED_KEY_USAGE: _decode_extended_key_usage, + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: _decode_authority_key_identifier, + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: ( + _decode_authority_information_access + ), + ExtensionOID.SUBJECT_INFORMATION_ACCESS: ( + _decode_subject_information_access + ), + ExtensionOID.CERTIFICATE_POLICIES: _decode_certificate_policies, + ExtensionOID.CRL_DISTRIBUTION_POINTS: _decode_crl_distribution_points, + ExtensionOID.FRESHEST_CRL: _decode_freshest_crl, + ExtensionOID.OCSP_NO_CHECK: _decode_ocsp_no_check, + ExtensionOID.INHIBIT_ANY_POLICY: _decode_inhibit_any_policy, + ExtensionOID.ISSUER_ALTERNATIVE_NAME: _decode_issuer_alt_name, + ExtensionOID.NAME_CONSTRAINTS: _decode_name_constraints, + ExtensionOID.POLICY_CONSTRAINTS: _decode_policy_constraints, +} +_EXTENSION_HANDLERS_SCT = { + ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: ( + _decode_precert_signed_certificate_timestamps + ) +} + +_REVOKED_EXTENSION_HANDLERS = { + CRLEntryExtensionOID.CRL_REASON: _decode_crl_reason, + CRLEntryExtensionOID.INVALIDITY_DATE: _decode_invalidity_date, + CRLEntryExtensionOID.CERTIFICATE_ISSUER: _decode_cert_issuer, +} + +_CRL_EXTENSION_HANDLERS = { + ExtensionOID.CRL_NUMBER: _decode_crl_number, + ExtensionOID.DELTA_CRL_INDICATOR: _decode_delta_crl_indicator, + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: _decode_authority_key_identifier, + ExtensionOID.ISSUER_ALTERNATIVE_NAME: _decode_issuer_alt_name, + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: ( + _decode_authority_information_access + ), + ExtensionOID.ISSUING_DISTRIBUTION_POINT: _decode_issuing_dist_point, + ExtensionOID.FRESHEST_CRL: _decode_freshest_crl, +} + +_OCSP_REQ_EXTENSION_HANDLERS = { + OCSPExtensionOID.NONCE: _decode_nonce, +} + +_OCSP_BASICRESP_EXTENSION_HANDLERS = { + OCSPExtensionOID.NONCE: _decode_nonce, +} + +_OCSP_SINGLERESP_EXTENSION_HANDLERS_SCT = { + ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS: ( + _decode_signed_certificate_timestamps + ) +} diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dh.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dh.py new file mode 100644 index 0000000..65ddaee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dh.py @@ -0,0 +1,280 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import dh + + +def _dh_params_dup(dh_cdata, backend): + lib = backend._lib + ffi = backend._ffi + + param_cdata = lib.DHparams_dup(dh_cdata) + backend.openssl_assert(param_cdata != ffi.NULL) + param_cdata = ffi.gc(param_cdata, lib.DH_free) + if lib.CRYPTOGRAPHY_IS_LIBRESSL: + # In libressl DHparams_dup don't copy q + q = ffi.new("BIGNUM **") + lib.DH_get0_pqg(dh_cdata, ffi.NULL, q, ffi.NULL) + q_dup = lib.BN_dup(q[0]) + res = lib.DH_set0_pqg(param_cdata, ffi.NULL, q_dup, ffi.NULL) + backend.openssl_assert(res == 1) + + return param_cdata + + +def _dh_cdata_to_parameters(dh_cdata, backend): + param_cdata = _dh_params_dup(dh_cdata, backend) + return _DHParameters(backend, param_cdata) + + +class _DHParameters(dh.DHParameters): + def __init__(self, backend, dh_cdata): + self._backend = backend + self._dh_cdata = dh_cdata + + def parameter_numbers(self) -> dh.DHParameterNumbers: + p = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg(self._dh_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + if q[0] == self._backend._ffi.NULL: + q_val = None + else: + q_val = self._backend._bn_to_int(q[0]) + return dh.DHParameterNumbers( + p=self._backend._bn_to_int(p[0]), + g=self._backend._bn_to_int(g[0]), + q=q_val, + ) + + def generate_private_key(self) -> dh.DHPrivateKey: + return self._backend.generate_dh_private_key(self) + + def parameter_bytes( + self, + encoding: serialization.Encoding, + format: serialization.ParameterFormat, + ) -> bytes: + if format is not serialization.ParameterFormat.PKCS3: + raise ValueError("Only PKCS3 serialization is supported") + if not self._backend._lib.Cryptography_HAS_EVP_PKEY_DHX: + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg( + self._dh_cdata, + self._backend._ffi.NULL, + q, + self._backend._ffi.NULL, + ) + if q[0] != self._backend._ffi.NULL: + raise UnsupportedAlgorithm( + "DH X9.42 serialization is not supported", + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + + return self._backend._parameter_bytes(encoding, format, self._dh_cdata) + + +def _get_dh_num_bits(backend, dh_cdata) -> int: + p = backend._ffi.new("BIGNUM **") + backend._lib.DH_get0_pqg(dh_cdata, p, backend._ffi.NULL, backend._ffi.NULL) + backend.openssl_assert(p[0] != backend._ffi.NULL) + return backend._lib.BN_num_bits(p[0]) + + +class _DHPrivateKey(dh.DHPrivateKey): + def __init__(self, backend, dh_cdata, evp_pkey): + self._backend = backend + self._dh_cdata = dh_cdata + self._evp_pkey = evp_pkey + self._key_size_bytes = self._backend._lib.DH_size(dh_cdata) + + @property + def key_size(self) -> int: + return _get_dh_num_bits(self._backend, self._dh_cdata) + + def private_numbers(self) -> dh.DHPrivateNumbers: + p = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg(self._dh_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + if q[0] == self._backend._ffi.NULL: + q_val = None + else: + q_val = self._backend._bn_to_int(q[0]) + pub_key = self._backend._ffi.new("BIGNUM **") + priv_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_key(self._dh_cdata, pub_key, priv_key) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(priv_key[0] != self._backend._ffi.NULL) + return dh.DHPrivateNumbers( + public_numbers=dh.DHPublicNumbers( + parameter_numbers=dh.DHParameterNumbers( + p=self._backend._bn_to_int(p[0]), + g=self._backend._bn_to_int(g[0]), + q=q_val, + ), + y=self._backend._bn_to_int(pub_key[0]), + ), + x=self._backend._bn_to_int(priv_key[0]), + ) + + def exchange(self, peer_public_key: dh.DHPublicKey) -> bytes: + buf = self._backend._ffi.new("unsigned char[]", self._key_size_bytes) + pub_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_key( + peer_public_key._dh_cdata, # type: ignore[attr-defined] + pub_key, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + res = self._backend._lib.DH_compute_key( + buf, pub_key[0], self._dh_cdata + ) + + if res == -1: + errors_with_text = self._backend._consume_errors_with_text() + raise ValueError( + "Error computing shared key. Public key is likely invalid " + "for this exchange.", + errors_with_text, + ) + else: + self._backend.openssl_assert(res >= 1) + + key = self._backend._ffi.buffer(buf)[:res] + pad = self._key_size_bytes - len(key) + + if pad > 0: + key = (b"\x00" * pad) + key + + return key + + def public_key(self) -> dh.DHPublicKey: + dh_cdata = _dh_params_dup(self._dh_cdata, self._backend) + pub_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_key( + self._dh_cdata, pub_key, self._backend._ffi.NULL + ) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + pub_key_dup = self._backend._lib.BN_dup(pub_key[0]) + self._backend.openssl_assert(pub_key_dup != self._backend._ffi.NULL) + + res = self._backend._lib.DH_set0_key( + dh_cdata, pub_key_dup, self._backend._ffi.NULL + ) + self._backend.openssl_assert(res == 1) + evp_pkey = self._backend._dh_cdata_to_evp_pkey(dh_cdata) + return _DHPublicKey(self._backend, dh_cdata, evp_pkey) + + def parameters(self) -> dh.DHParameters: + return _dh_cdata_to_parameters(self._dh_cdata, self._backend) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + if format is not serialization.PrivateFormat.PKCS8: + raise ValueError( + "DH private keys support only PKCS8 serialization" + ) + if not self._backend._lib.Cryptography_HAS_EVP_PKEY_DHX: + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg( + self._dh_cdata, + self._backend._ffi.NULL, + q, + self._backend._ffi.NULL, + ) + if q[0] != self._backend._ffi.NULL: + raise UnsupportedAlgorithm( + "DH X9.42 serialization is not supported", + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._dh_cdata, + ) + + +class _DHPublicKey(dh.DHPublicKey): + def __init__(self, backend, dh_cdata, evp_pkey): + self._backend = backend + self._dh_cdata = dh_cdata + self._evp_pkey = evp_pkey + self._key_size_bits = _get_dh_num_bits(self._backend, self._dh_cdata) + + @property + def key_size(self) -> int: + return self._key_size_bits + + def public_numbers(self) -> dh.DHPublicNumbers: + p = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg(self._dh_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + if q[0] == self._backend._ffi.NULL: + q_val = None + else: + q_val = self._backend._bn_to_int(q[0]) + pub_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_key( + self._dh_cdata, pub_key, self._backend._ffi.NULL + ) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + return dh.DHPublicNumbers( + parameter_numbers=dh.DHParameterNumbers( + p=self._backend._bn_to_int(p[0]), + g=self._backend._bn_to_int(g[0]), + q=q_val, + ), + y=self._backend._bn_to_int(pub_key[0]), + ) + + def parameters(self) -> dh.DHParameters: + return _dh_cdata_to_parameters(self._dh_cdata, self._backend) + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if format is not serialization.PublicFormat.SubjectPublicKeyInfo: + raise ValueError( + "DH public keys support only " + "SubjectPublicKeyInfo serialization" + ) + + if not self._backend._lib.Cryptography_HAS_EVP_PKEY_DHX: + q = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DH_get0_pqg( + self._dh_cdata, + self._backend._ffi.NULL, + q, + self._backend._ffi.NULL, + ) + if q[0] != self._backend._ffi.NULL: + raise UnsupportedAlgorithm( + "DH X9.42 serialization is not supported", + _Reasons.UNSUPPORTED_SERIALIZATION, + ) + + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dsa.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dsa.py new file mode 100644 index 0000000..d3c54b8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/dsa.py @@ -0,0 +1,289 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography import utils +from cryptography.exceptions import InvalidSignature +from cryptography.hazmat.backends.openssl.utils import ( + _calculate_digest_and_algorithm, + _check_not_prehashed, + _warn_sign_verify_deprecated, +) +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + dsa, + utils as asym_utils, +) + + +def _dsa_sig_sign(backend, private_key, data): + sig_buf_len = backend._lib.DSA_size(private_key._dsa_cdata) + sig_buf = backend._ffi.new("unsigned char[]", sig_buf_len) + buflen = backend._ffi.new("unsigned int *") + + # The first parameter passed to DSA_sign is unused by OpenSSL but + # must be an integer. + res = backend._lib.DSA_sign( + 0, data, len(data), sig_buf, buflen, private_key._dsa_cdata + ) + backend.openssl_assert(res == 1) + backend.openssl_assert(buflen[0]) + + return backend._ffi.buffer(sig_buf)[: buflen[0]] + + +def _dsa_sig_verify(backend, public_key, signature, data): + # The first parameter passed to DSA_verify is unused by OpenSSL but + # must be an integer. + res = backend._lib.DSA_verify( + 0, data, len(data), signature, len(signature), public_key._dsa_cdata + ) + + if res != 1: + backend._consume_errors() + raise InvalidSignature + + +class _DSAVerificationContext(AsymmetricVerificationContext): + def __init__(self, backend, public_key, signature, algorithm): + self._backend = backend + self._public_key = public_key + self._signature = signature + self._algorithm = algorithm + + self._hash_ctx = hashes.Hash(self._algorithm, self._backend) + + def update(self, data): + self._hash_ctx.update(data) + + def verify(self): + data_to_verify = self._hash_ctx.finalize() + + _dsa_sig_verify( + self._backend, self._public_key, self._signature, data_to_verify + ) + + +class _DSASignatureContext(AsymmetricSignatureContext): + def __init__( + self, + backend, + private_key: dsa.DSAPrivateKey, + algorithm: hashes.HashAlgorithm, + ): + self._backend = backend + self._private_key = private_key + self._algorithm = algorithm + self._hash_ctx = hashes.Hash(self._algorithm, self._backend) + + def update(self, data: bytes) -> None: + self._hash_ctx.update(data) + + def finalize(self) -> bytes: + data_to_sign = self._hash_ctx.finalize() + return _dsa_sig_sign(self._backend, self._private_key, data_to_sign) + + +class _DSAParameters(dsa.DSAParameters): + def __init__(self, backend, dsa_cdata): + self._backend = backend + self._dsa_cdata = dsa_cdata + + def parameter_numbers(self) -> dsa.DSAParameterNumbers: + p = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_pqg(self._dsa_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(q[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + return dsa.DSAParameterNumbers( + p=self._backend._bn_to_int(p[0]), + q=self._backend._bn_to_int(q[0]), + g=self._backend._bn_to_int(g[0]), + ) + + def generate_private_key(self) -> dsa.DSAPrivateKey: + return self._backend.generate_dsa_private_key(self) + + +class _DSAPrivateKey(dsa.DSAPrivateKey): + def __init__(self, backend, dsa_cdata, evp_pkey): + self._backend = backend + self._dsa_cdata = dsa_cdata + self._evp_pkey = evp_pkey + + p = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_pqg( + dsa_cdata, p, self._backend._ffi.NULL, self._backend._ffi.NULL + ) + self._backend.openssl_assert(p[0] != backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(p[0]) + + key_size = utils.read_only_property("_key_size") + + def signer( + self, signature_algorithm: hashes.HashAlgorithm + ) -> AsymmetricSignatureContext: + _warn_sign_verify_deprecated() + _check_not_prehashed(signature_algorithm) + return _DSASignatureContext(self._backend, self, signature_algorithm) + + def private_numbers(self) -> dsa.DSAPrivateNumbers: + p = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + pub_key = self._backend._ffi.new("BIGNUM **") + priv_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_pqg(self._dsa_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(q[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + self._backend._lib.DSA_get0_key(self._dsa_cdata, pub_key, priv_key) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(priv_key[0] != self._backend._ffi.NULL) + return dsa.DSAPrivateNumbers( + public_numbers=dsa.DSAPublicNumbers( + parameter_numbers=dsa.DSAParameterNumbers( + p=self._backend._bn_to_int(p[0]), + q=self._backend._bn_to_int(q[0]), + g=self._backend._bn_to_int(g[0]), + ), + y=self._backend._bn_to_int(pub_key[0]), + ), + x=self._backend._bn_to_int(priv_key[0]), + ) + + def public_key(self) -> dsa.DSAPublicKey: + dsa_cdata = self._backend._lib.DSAparams_dup(self._dsa_cdata) + self._backend.openssl_assert(dsa_cdata != self._backend._ffi.NULL) + dsa_cdata = self._backend._ffi.gc( + dsa_cdata, self._backend._lib.DSA_free + ) + pub_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_key( + self._dsa_cdata, pub_key, self._backend._ffi.NULL + ) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + pub_key_dup = self._backend._lib.BN_dup(pub_key[0]) + res = self._backend._lib.DSA_set0_key( + dsa_cdata, pub_key_dup, self._backend._ffi.NULL + ) + self._backend.openssl_assert(res == 1) + evp_pkey = self._backend._dsa_cdata_to_evp_pkey(dsa_cdata) + return _DSAPublicKey(self._backend, dsa_cdata, evp_pkey) + + def parameters(self) -> dsa.DSAParameters: + dsa_cdata = self._backend._lib.DSAparams_dup(self._dsa_cdata) + self._backend.openssl_assert(dsa_cdata != self._backend._ffi.NULL) + dsa_cdata = self._backend._ffi.gc( + dsa_cdata, self._backend._lib.DSA_free + ) + return _DSAParameters(self._backend, dsa_cdata) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._dsa_cdata, + ) + + def sign( + self, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + data, algorithm = _calculate_digest_and_algorithm( + self._backend, data, algorithm + ) + return _dsa_sig_sign(self._backend, self, data) + + +class _DSAPublicKey(dsa.DSAPublicKey): + def __init__(self, backend, dsa_cdata, evp_pkey): + self._backend = backend + self._dsa_cdata = dsa_cdata + self._evp_pkey = evp_pkey + p = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_pqg( + dsa_cdata, p, self._backend._ffi.NULL, self._backend._ffi.NULL + ) + self._backend.openssl_assert(p[0] != backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(p[0]) + + key_size = utils.read_only_property("_key_size") + + def verifier( + self, + signature: bytes, + signature_algorithm: hashes.HashAlgorithm, + ) -> AsymmetricVerificationContext: + _warn_sign_verify_deprecated() + utils._check_bytes("signature", signature) + + _check_not_prehashed(signature_algorithm) + return _DSAVerificationContext( + self._backend, self, signature, signature_algorithm + ) + + def public_numbers(self) -> dsa.DSAPublicNumbers: + p = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + g = self._backend._ffi.new("BIGNUM **") + pub_key = self._backend._ffi.new("BIGNUM **") + self._backend._lib.DSA_get0_pqg(self._dsa_cdata, p, q, g) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(q[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(g[0] != self._backend._ffi.NULL) + self._backend._lib.DSA_get0_key( + self._dsa_cdata, pub_key, self._backend._ffi.NULL + ) + self._backend.openssl_assert(pub_key[0] != self._backend._ffi.NULL) + return dsa.DSAPublicNumbers( + parameter_numbers=dsa.DSAParameterNumbers( + p=self._backend._bn_to_int(p[0]), + q=self._backend._bn_to_int(q[0]), + g=self._backend._bn_to_int(g[0]), + ), + y=self._backend._bn_to_int(pub_key[0]), + ) + + def parameters(self) -> dsa.DSAParameters: + dsa_cdata = self._backend._lib.DSAparams_dup(self._dsa_cdata) + dsa_cdata = self._backend._ffi.gc( + dsa_cdata, self._backend._lib.DSA_free + ) + return _DSAParameters(self._backend, dsa_cdata) + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def verify( + self, + signature: bytes, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ): + data, algorithm = _calculate_digest_and_algorithm( + self._backend, data, algorithm + ) + return _dsa_sig_verify(self._backend, self, signature, data) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ec.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ec.py new file mode 100644 index 0000000..3f54d72 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ec.py @@ -0,0 +1,378 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends.openssl.utils import ( + _calculate_digest_and_algorithm, + _check_not_prehashed, + _warn_sign_verify_deprecated, +) +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + ec, +) + + +def _check_signature_algorithm( + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, +): + if not isinstance(signature_algorithm, ec.ECDSA): + raise UnsupportedAlgorithm( + "Unsupported elliptic curve signature algorithm.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + +def _ec_key_curve_sn(backend, ec_key): + group = backend._lib.EC_KEY_get0_group(ec_key) + backend.openssl_assert(group != backend._ffi.NULL) + + nid = backend._lib.EC_GROUP_get_curve_name(group) + # The following check is to find EC keys with unnamed curves and raise + # an error for now. + if nid == backend._lib.NID_undef: + raise NotImplementedError( + "ECDSA keys with unnamed curves are unsupported at this time" + ) + + # This is like the above check, but it also catches the case where you + # explicitly encoded a curve with the same parameters as a named curve. + # Don't do that. + if ( + not backend._lib.CRYPTOGRAPHY_IS_LIBRESSL + and backend._lib.EC_GROUP_get_asn1_flag(group) == 0 + ): + raise NotImplementedError( + "ECDSA keys with unnamed curves are unsupported at this time" + ) + + curve_name = backend._lib.OBJ_nid2sn(nid) + backend.openssl_assert(curve_name != backend._ffi.NULL) + + sn = backend._ffi.string(curve_name).decode("ascii") + return sn + + +def _mark_asn1_named_ec_curve(backend, ec_cdata): + """ + Set the named curve flag on the EC_KEY. This causes OpenSSL to + serialize EC keys along with their curve OID which makes + deserialization easier. + """ + + backend._lib.EC_KEY_set_asn1_flag( + ec_cdata, backend._lib.OPENSSL_EC_NAMED_CURVE + ) + + +def _sn_to_elliptic_curve(backend, sn): + try: + return ec._CURVE_TYPES[sn]() + except KeyError: + raise UnsupportedAlgorithm( + "{} is not a supported elliptic curve".format(sn), + _Reasons.UNSUPPORTED_ELLIPTIC_CURVE, + ) + + +def _ecdsa_sig_sign(backend, private_key, data): + max_size = backend._lib.ECDSA_size(private_key._ec_key) + backend.openssl_assert(max_size > 0) + + sigbuf = backend._ffi.new("unsigned char[]", max_size) + siglen_ptr = backend._ffi.new("unsigned int[]", 1) + res = backend._lib.ECDSA_sign( + 0, data, len(data), sigbuf, siglen_ptr, private_key._ec_key + ) + backend.openssl_assert(res == 1) + return backend._ffi.buffer(sigbuf)[: siglen_ptr[0]] + + +def _ecdsa_sig_verify(backend, public_key, signature, data): + res = backend._lib.ECDSA_verify( + 0, data, len(data), signature, len(signature), public_key._ec_key + ) + if res != 1: + backend._consume_errors() + raise InvalidSignature + + +class _ECDSASignatureContext(AsymmetricSignatureContext): + def __init__( + self, + backend, + private_key: ec.EllipticCurvePrivateKey, + algorithm: hashes.HashAlgorithm, + ): + self._backend = backend + self._private_key = private_key + self._digest = hashes.Hash(algorithm, backend) + + def update(self, data: bytes) -> None: + self._digest.update(data) + + def finalize(self) -> bytes: + digest = self._digest.finalize() + + return _ecdsa_sig_sign(self._backend, self._private_key, digest) + + +class _ECDSAVerificationContext(AsymmetricVerificationContext): + def __init__( + self, + backend, + public_key: ec.EllipticCurvePublicKey, + signature: bytes, + algorithm: hashes.HashAlgorithm, + ): + self._backend = backend + self._public_key = public_key + self._signature = signature + self._digest = hashes.Hash(algorithm, backend) + + def update(self, data: bytes) -> None: + self._digest.update(data) + + def verify(self) -> None: + digest = self._digest.finalize() + _ecdsa_sig_verify( + self._backend, self._public_key, self._signature, digest + ) + + +class _EllipticCurvePrivateKey(ec.EllipticCurvePrivateKey): + def __init__(self, backend, ec_key_cdata, evp_pkey): + self._backend = backend + self._ec_key = ec_key_cdata + self._evp_pkey = evp_pkey + + sn = _ec_key_curve_sn(backend, ec_key_cdata) + self._curve = _sn_to_elliptic_curve(backend, sn) + _mark_asn1_named_ec_curve(backend, ec_key_cdata) + + curve = utils.read_only_property("_curve") + + @property + def key_size(self) -> int: + return self.curve.key_size + + def signer( + self, signature_algorithm: ec.EllipticCurveSignatureAlgorithm + ) -> AsymmetricSignatureContext: + _warn_sign_verify_deprecated() + _check_signature_algorithm(signature_algorithm) + _check_not_prehashed(signature_algorithm.algorithm) + # This assert is to help mypy realize what type this object holds + assert isinstance(signature_algorithm.algorithm, hashes.HashAlgorithm) + return _ECDSASignatureContext( + self._backend, self, signature_algorithm.algorithm + ) + + def exchange( + self, algorithm: ec.ECDH, peer_public_key: ec.EllipticCurvePublicKey + ) -> bytes: + if not ( + self._backend.elliptic_curve_exchange_algorithm_supported( + algorithm, self.curve + ) + ): + raise UnsupportedAlgorithm( + "This backend does not support the ECDH algorithm.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + if peer_public_key.curve.name != self.curve.name: + raise ValueError( + "peer_public_key and self are not on the same curve" + ) + + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + z_len = (self._backend._lib.EC_GROUP_get_degree(group) + 7) // 8 + self._backend.openssl_assert(z_len > 0) + z_buf = self._backend._ffi.new("uint8_t[]", z_len) + peer_key = self._backend._lib.EC_KEY_get0_public_key( + peer_public_key._ec_key # type: ignore[attr-defined] + ) + + r = self._backend._lib.ECDH_compute_key( + z_buf, z_len, peer_key, self._ec_key, self._backend._ffi.NULL + ) + self._backend.openssl_assert(r > 0) + return self._backend._ffi.buffer(z_buf)[:z_len] + + def public_key(self) -> ec.EllipticCurvePublicKey: + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + self._backend.openssl_assert(group != self._backend._ffi.NULL) + + curve_nid = self._backend._lib.EC_GROUP_get_curve_name(group) + public_ec_key = self._backend._ec_key_new_by_curve_nid(curve_nid) + + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + + res = self._backend._lib.EC_KEY_set_public_key(public_ec_key, point) + self._backend.openssl_assert(res == 1) + + evp_pkey = self._backend._ec_cdata_to_evp_pkey(public_ec_key) + + return _EllipticCurvePublicKey(self._backend, public_ec_key, evp_pkey) + + def private_numbers(self) -> ec.EllipticCurvePrivateNumbers: + bn = self._backend._lib.EC_KEY_get0_private_key(self._ec_key) + private_value = self._backend._bn_to_int(bn) + return ec.EllipticCurvePrivateNumbers( + private_value=private_value, + public_numbers=self.public_key().public_numbers(), + ) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._ec_key, + ) + + def sign( + self, + data: bytes, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + ) -> bytes: + _check_signature_algorithm(signature_algorithm) + data, algorithm = _calculate_digest_and_algorithm( + self._backend, + data, + signature_algorithm._algorithm, # type: ignore[attr-defined] + ) + return _ecdsa_sig_sign(self._backend, self, data) + + +class _EllipticCurvePublicKey(ec.EllipticCurvePublicKey): + def __init__(self, backend, ec_key_cdata, evp_pkey): + self._backend = backend + self._ec_key = ec_key_cdata + self._evp_pkey = evp_pkey + + sn = _ec_key_curve_sn(backend, ec_key_cdata) + self._curve = _sn_to_elliptic_curve(backend, sn) + _mark_asn1_named_ec_curve(backend, ec_key_cdata) + + curve = utils.read_only_property("_curve") + + @property + def key_size(self) -> int: + return self.curve.key_size + + def verifier( + self, + signature: bytes, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + ) -> AsymmetricVerificationContext: + _warn_sign_verify_deprecated() + utils._check_bytes("signature", signature) + + _check_signature_algorithm(signature_algorithm) + _check_not_prehashed(signature_algorithm.algorithm) + # This assert is to help mypy realize what type this object holds + assert isinstance(signature_algorithm.algorithm, hashes.HashAlgorithm) + return _ECDSAVerificationContext( + self._backend, self, signature, signature_algorithm.algorithm + ) + + def public_numbers(self) -> ec.EllipticCurvePublicNumbers: + get_func, group = self._backend._ec_key_determine_group_get_func( + self._ec_key + ) + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + + with self._backend._tmp_bn_ctx() as bn_ctx: + bn_x = self._backend._lib.BN_CTX_get(bn_ctx) + bn_y = self._backend._lib.BN_CTX_get(bn_ctx) + + res = get_func(group, point, bn_x, bn_y, bn_ctx) + self._backend.openssl_assert(res == 1) + + x = self._backend._bn_to_int(bn_x) + y = self._backend._bn_to_int(bn_y) + + return ec.EllipticCurvePublicNumbers(x=x, y=y, curve=self._curve) + + def _encode_point(self, format: serialization.PublicFormat) -> bytes: + if format is serialization.PublicFormat.CompressedPoint: + conversion = self._backend._lib.POINT_CONVERSION_COMPRESSED + else: + assert format is serialization.PublicFormat.UncompressedPoint + conversion = self._backend._lib.POINT_CONVERSION_UNCOMPRESSED + + group = self._backend._lib.EC_KEY_get0_group(self._ec_key) + self._backend.openssl_assert(group != self._backend._ffi.NULL) + point = self._backend._lib.EC_KEY_get0_public_key(self._ec_key) + self._backend.openssl_assert(point != self._backend._ffi.NULL) + with self._backend._tmp_bn_ctx() as bn_ctx: + buflen = self._backend._lib.EC_POINT_point2oct( + group, point, conversion, self._backend._ffi.NULL, 0, bn_ctx + ) + self._backend.openssl_assert(buflen > 0) + buf = self._backend._ffi.new("char[]", buflen) + res = self._backend._lib.EC_POINT_point2oct( + group, point, conversion, buf, buflen, bn_ctx + ) + self._backend.openssl_assert(buflen == res) + + return self._backend._ffi.buffer(buf)[:] + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.X962 + or format is serialization.PublicFormat.CompressedPoint + or format is serialization.PublicFormat.UncompressedPoint + ): + if encoding is not serialization.Encoding.X962 or format not in ( + serialization.PublicFormat.CompressedPoint, + serialization.PublicFormat.UncompressedPoint, + ): + raise ValueError( + "X962 encoding must be used with CompressedPoint or " + "UncompressedPoint format" + ) + + return self._encode_point(format) + else: + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def verify( + self, + signature: bytes, + data: bytes, + signature_algorithm: ec.EllipticCurveSignatureAlgorithm, + ) -> None: + _check_signature_algorithm(signature_algorithm) + data, algorithm = _calculate_digest_and_algorithm( + self._backend, + data, + signature_algorithm._algorithm, # type: ignore[attr-defined] + ) + _ecdsa_sig_verify(self._backend, self, signature, data) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed25519.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed25519.py new file mode 100644 index 0000000..ff6c20d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed25519.py @@ -0,0 +1,151 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import exceptions +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric.ed25519 import ( + Ed25519PrivateKey, + Ed25519PublicKey, + _ED25519_KEY_SIZE, + _ED25519_SIG_SIZE, +) + + +class _Ed25519PublicKey(Ed25519PublicKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + encoding is not serialization.Encoding.Raw + or format is not serialization.PublicFormat.Raw + ): + raise ValueError( + "When using Raw both encoding and format must be Raw" + ) + + return self._raw_public_bytes() + + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def _raw_public_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _ED25519_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED25519_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED25519_KEY_SIZE) + return self._backend._ffi.buffer(buf, _ED25519_KEY_SIZE)[:] + + def verify(self, signature: bytes, data: bytes) -> None: + evp_md_ctx = self._backend._lib.EVP_MD_CTX_new() + self._backend.openssl_assert(evp_md_ctx != self._backend._ffi.NULL) + evp_md_ctx = self._backend._ffi.gc( + evp_md_ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_DigestVerifyInit( + evp_md_ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._evp_pkey, + ) + self._backend.openssl_assert(res == 1) + res = self._backend._lib.EVP_DigestVerify( + evp_md_ctx, signature, len(signature), data, len(data) + ) + if res != 1: + self._backend._consume_errors() + raise exceptions.InvalidSignature + + +class _Ed25519PrivateKey(Ed25519PrivateKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_key(self) -> Ed25519PublicKey: + buf = self._backend._ffi.new("unsigned char []", _ED25519_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED25519_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED25519_KEY_SIZE) + public_bytes = self._backend._ffi.buffer(buf)[:] + return self._backend.ed25519_load_public_bytes(public_bytes) + + def sign(self, data: bytes) -> bytes: + evp_md_ctx = self._backend._lib.EVP_MD_CTX_new() + self._backend.openssl_assert(evp_md_ctx != self._backend._ffi.NULL) + evp_md_ctx = self._backend._ffi.gc( + evp_md_ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_DigestSignInit( + evp_md_ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._evp_pkey, + ) + self._backend.openssl_assert(res == 1) + buf = self._backend._ffi.new("unsigned char[]", _ED25519_SIG_SIZE) + buflen = self._backend._ffi.new("size_t *", len(buf)) + res = self._backend._lib.EVP_DigestSign( + evp_md_ctx, buf, buflen, data, len(data) + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED25519_SIG_SIZE) + return self._backend._ffi.buffer(buf, buflen[0])[:] + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + format is not serialization.PrivateFormat.Raw + or encoding is not serialization.Encoding.Raw + or not isinstance( + encryption_algorithm, serialization.NoEncryption + ) + ): + raise ValueError( + "When using Raw both encoding and format must be Raw " + "and encryption_algorithm must be NoEncryption()" + ) + + return self._raw_private_bytes() + + return self._backend._private_key_bytes( + encoding, format, encryption_algorithm, self, self._evp_pkey, None + ) + + def _raw_private_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _ED25519_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED25519_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_private_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED25519_KEY_SIZE) + return self._backend._ffi.buffer(buf, _ED25519_KEY_SIZE)[:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed448.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed448.py new file mode 100644 index 0000000..c787efd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ed448.py @@ -0,0 +1,152 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import exceptions +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric.ed448 import ( + Ed448PrivateKey, + Ed448PublicKey, +) + +_ED448_KEY_SIZE = 57 +_ED448_SIG_SIZE = 114 + + +class _Ed448PublicKey(Ed448PublicKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + encoding is not serialization.Encoding.Raw + or format is not serialization.PublicFormat.Raw + ): + raise ValueError( + "When using Raw both encoding and format must be Raw" + ) + + return self._raw_public_bytes() + + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def _raw_public_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _ED448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED448_KEY_SIZE) + return self._backend._ffi.buffer(buf, _ED448_KEY_SIZE)[:] + + def verify(self, signature: bytes, data: bytes) -> None: + evp_md_ctx = self._backend._lib.EVP_MD_CTX_new() + self._backend.openssl_assert(evp_md_ctx != self._backend._ffi.NULL) + evp_md_ctx = self._backend._ffi.gc( + evp_md_ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_DigestVerifyInit( + evp_md_ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._evp_pkey, + ) + self._backend.openssl_assert(res == 1) + res = self._backend._lib.EVP_DigestVerify( + evp_md_ctx, signature, len(signature), data, len(data) + ) + if res != 1: + self._backend._consume_errors() + raise exceptions.InvalidSignature + + +class _Ed448PrivateKey(Ed448PrivateKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_key(self) -> Ed448PublicKey: + buf = self._backend._ffi.new("unsigned char []", _ED448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED448_KEY_SIZE) + public_bytes = self._backend._ffi.buffer(buf)[:] + return self._backend.ed448_load_public_bytes(public_bytes) + + def sign(self, data: bytes) -> bytes: + evp_md_ctx = self._backend._lib.EVP_MD_CTX_new() + self._backend.openssl_assert(evp_md_ctx != self._backend._ffi.NULL) + evp_md_ctx = self._backend._ffi.gc( + evp_md_ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_DigestSignInit( + evp_md_ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._evp_pkey, + ) + self._backend.openssl_assert(res == 1) + buf = self._backend._ffi.new("unsigned char[]", _ED448_SIG_SIZE) + buflen = self._backend._ffi.new("size_t *", len(buf)) + res = self._backend._lib.EVP_DigestSign( + evp_md_ctx, buf, buflen, data, len(data) + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED448_SIG_SIZE) + return self._backend._ffi.buffer(buf, buflen[0])[:] + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + format is not serialization.PrivateFormat.Raw + or encoding is not serialization.Encoding.Raw + or not isinstance( + encryption_algorithm, serialization.NoEncryption + ) + ): + raise ValueError( + "When using Raw both encoding and format must be Raw " + "and encryption_algorithm must be NoEncryption()" + ) + + return self._raw_private_bytes() + + return self._backend._private_key_bytes( + encoding, format, encryption_algorithm, self, self._evp_pkey, None + ) + + def _raw_private_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _ED448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _ED448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_private_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _ED448_KEY_SIZE) + return self._backend._ffi.buffer(buf, _ED448_KEY_SIZE)[:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/encode_asn1.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/encode_asn1.py new file mode 100644 index 0000000..0daae66 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/encode_asn1.py @@ -0,0 +1,667 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import calendar +import ipaddress + +from cryptography import utils, x509 +from cryptography.hazmat.backends.openssl.decode_asn1 import ( + _CRL_ENTRY_REASON_ENUM_TO_CODE, + _DISTPOINT_TYPE_FULLNAME, + _DISTPOINT_TYPE_RELATIVENAME, +) +from cryptography.x509.name import _ASN1Type +from cryptography.x509.oid import ( + CRLEntryExtensionOID, + ExtensionOID, + OCSPExtensionOID, +) + + +def _encode_asn1_int(backend, x): + """ + Converts a python integer to an ASN1_INTEGER. The returned ASN1_INTEGER + will not be garbage collected (to support adding them to structs that take + ownership of the object). Be sure to register it for GC if it will be + discarded after use. + + """ + # Convert Python integer to OpenSSL "bignum" in case value exceeds + # machine's native integer limits (note: `int_to_bn` doesn't automatically + # GC). + i = backend._int_to_bn(x) + i = backend._ffi.gc(i, backend._lib.BN_free) + + # Wrap in an ASN.1 integer. Don't GC -- as documented. + i = backend._lib.BN_to_ASN1_INTEGER(i, backend._ffi.NULL) + backend.openssl_assert(i != backend._ffi.NULL) + return i + + +def _encode_asn1_int_gc(backend, x): + i = _encode_asn1_int(backend, x) + i = backend._ffi.gc(i, backend._lib.ASN1_INTEGER_free) + return i + + +def _encode_asn1_str(backend, data): + """ + Create an ASN1_OCTET_STRING from a Python byte string. + """ + s = backend._lib.ASN1_OCTET_STRING_new() + res = backend._lib.ASN1_OCTET_STRING_set(s, data, len(data)) + backend.openssl_assert(res == 1) + return s + + +def _encode_asn1_utf8_str(backend, string): + """ + Create an ASN1_UTF8STRING from a Python unicode string. + This object will be an ASN1_STRING with UTF8 type in OpenSSL and + can be decoded with ASN1_STRING_to_UTF8. + """ + s = backend._lib.ASN1_UTF8STRING_new() + res = backend._lib.ASN1_STRING_set( + s, string.encode("utf8"), len(string.encode("utf8")) + ) + backend.openssl_assert(res == 1) + return s + + +def _encode_asn1_str_gc(backend, data): + s = _encode_asn1_str(backend, data) + s = backend._ffi.gc(s, backend._lib.ASN1_OCTET_STRING_free) + return s + + +def _encode_inhibit_any_policy(backend, inhibit_any_policy): + return _encode_asn1_int_gc(backend, inhibit_any_policy.skip_certs) + + +def _encode_name(backend, name): + """ + The X509_NAME created will not be gc'd. Use _encode_name_gc if needed. + """ + subject = backend._lib.X509_NAME_new() + for rdn in name.rdns: + set_flag = 0 # indicate whether to add to last RDN or create new RDN + for attribute in rdn: + name_entry = _encode_name_entry(backend, attribute) + # X509_NAME_add_entry dups the object so we need to gc this copy + name_entry = backend._ffi.gc( + name_entry, backend._lib.X509_NAME_ENTRY_free + ) + res = backend._lib.X509_NAME_add_entry( + subject, name_entry, -1, set_flag + ) + backend.openssl_assert(res == 1) + set_flag = -1 + return subject + + +def _encode_name_gc(backend, attributes): + subject = _encode_name(backend, attributes) + subject = backend._ffi.gc(subject, backend._lib.X509_NAME_free) + return subject + + +def _encode_sk_name_entry(backend, attributes): + """ + The sk_X509_NAME_ENTRY created will not be gc'd. + """ + stack = backend._lib.sk_X509_NAME_ENTRY_new_null() + for attribute in attributes: + name_entry = _encode_name_entry(backend, attribute) + res = backend._lib.sk_X509_NAME_ENTRY_push(stack, name_entry) + backend.openssl_assert(res >= 1) + return stack + + +def _encode_name_entry(backend, attribute): + if attribute._type is _ASN1Type.BMPString: + value = attribute.value.encode("utf_16_be") + elif attribute._type is _ASN1Type.UniversalString: + value = attribute.value.encode("utf_32_be") + else: + value = attribute.value.encode("utf8") + + obj = _txt2obj_gc(backend, attribute.oid.dotted_string) + + name_entry = backend._lib.X509_NAME_ENTRY_create_by_OBJ( + backend._ffi.NULL, obj, attribute._type.value, value, len(value) + ) + return name_entry + + +def _encode_crl_number_delta_crl_indicator(backend, ext): + return _encode_asn1_int_gc(backend, ext.crl_number) + + +def _encode_issuing_dist_point(backend, ext): + idp = backend._lib.ISSUING_DIST_POINT_new() + backend.openssl_assert(idp != backend._ffi.NULL) + idp = backend._ffi.gc(idp, backend._lib.ISSUING_DIST_POINT_free) + idp.onlyuser = 255 if ext.only_contains_user_certs else 0 + idp.onlyCA = 255 if ext.only_contains_ca_certs else 0 + idp.indirectCRL = 255 if ext.indirect_crl else 0 + idp.onlyattr = 255 if ext.only_contains_attribute_certs else 0 + if ext.only_some_reasons: + idp.onlysomereasons = _encode_reasonflags( + backend, ext.only_some_reasons + ) + + if ext.full_name: + idp.distpoint = _encode_full_name(backend, ext.full_name) + + if ext.relative_name: + idp.distpoint = _encode_relative_name(backend, ext.relative_name) + + return idp + + +def _encode_crl_reason(backend, crl_reason): + asn1enum = backend._lib.ASN1_ENUMERATED_new() + backend.openssl_assert(asn1enum != backend._ffi.NULL) + asn1enum = backend._ffi.gc(asn1enum, backend._lib.ASN1_ENUMERATED_free) + res = backend._lib.ASN1_ENUMERATED_set( + asn1enum, _CRL_ENTRY_REASON_ENUM_TO_CODE[crl_reason.reason] + ) + backend.openssl_assert(res == 1) + + return asn1enum + + +def _encode_invalidity_date(backend, invalidity_date): + time = backend._lib.ASN1_GENERALIZEDTIME_set( + backend._ffi.NULL, + calendar.timegm(invalidity_date.invalidity_date.timetuple()), + ) + backend.openssl_assert(time != backend._ffi.NULL) + time = backend._ffi.gc(time, backend._lib.ASN1_GENERALIZEDTIME_free) + + return time + + +def _encode_certificate_policies(backend, certificate_policies): + cp = backend._lib.sk_POLICYINFO_new_null() + backend.openssl_assert(cp != backend._ffi.NULL) + cp = backend._ffi.gc(cp, backend._lib.sk_POLICYINFO_free) + for policy_info in certificate_policies: + pi = backend._lib.POLICYINFO_new() + backend.openssl_assert(pi != backend._ffi.NULL) + res = backend._lib.sk_POLICYINFO_push(cp, pi) + backend.openssl_assert(res >= 1) + oid = _txt2obj(backend, policy_info.policy_identifier.dotted_string) + pi.policyid = oid + if policy_info.policy_qualifiers: + pqis = backend._lib.sk_POLICYQUALINFO_new_null() + backend.openssl_assert(pqis != backend._ffi.NULL) + for qualifier in policy_info.policy_qualifiers: + pqi = backend._lib.POLICYQUALINFO_new() + backend.openssl_assert(pqi != backend._ffi.NULL) + res = backend._lib.sk_POLICYQUALINFO_push(pqis, pqi) + backend.openssl_assert(res >= 1) + if isinstance(qualifier, str): + pqi.pqualid = _txt2obj( + backend, x509.OID_CPS_QUALIFIER.dotted_string + ) + pqi.d.cpsuri = _encode_asn1_str( + backend, + qualifier.encode("ascii"), + ) + else: + assert isinstance(qualifier, x509.UserNotice) + pqi.pqualid = _txt2obj( + backend, x509.OID_CPS_USER_NOTICE.dotted_string + ) + un = backend._lib.USERNOTICE_new() + backend.openssl_assert(un != backend._ffi.NULL) + pqi.d.usernotice = un + if qualifier.explicit_text: + un.exptext = _encode_asn1_utf8_str( + backend, qualifier.explicit_text + ) + + un.noticeref = _encode_notice_reference( + backend, qualifier.notice_reference + ) + + pi.qualifiers = pqis + + return cp + + +def _encode_notice_reference(backend, notice): + if notice is None: + return backend._ffi.NULL + else: + nr = backend._lib.NOTICEREF_new() + backend.openssl_assert(nr != backend._ffi.NULL) + # organization is a required field + nr.organization = _encode_asn1_utf8_str(backend, notice.organization) + + notice_stack = backend._lib.sk_ASN1_INTEGER_new_null() + nr.noticenos = notice_stack + for number in notice.notice_numbers: + num = _encode_asn1_int(backend, number) + res = backend._lib.sk_ASN1_INTEGER_push(notice_stack, num) + backend.openssl_assert(res >= 1) + + return nr + + +def _txt2obj(backend, name): + """ + Converts a Python string with an ASN.1 object ID in dotted form to a + ASN1_OBJECT. + """ + name = name.encode("ascii") + obj = backend._lib.OBJ_txt2obj(name, 1) + backend.openssl_assert(obj != backend._ffi.NULL) + return obj + + +def _txt2obj_gc(backend, name): + obj = _txt2obj(backend, name) + obj = backend._ffi.gc(obj, backend._lib.ASN1_OBJECT_free) + return obj + + +def _encode_ocsp_nocheck(backend, ext): + # Doesn't need to be GC'd + return backend._lib.ASN1_NULL_new() + + +def _encode_key_usage(backend, key_usage): + set_bit = backend._lib.ASN1_BIT_STRING_set_bit + ku = backend._lib.ASN1_BIT_STRING_new() + ku = backend._ffi.gc(ku, backend._lib.ASN1_BIT_STRING_free) + res = set_bit(ku, 0, key_usage.digital_signature) + backend.openssl_assert(res == 1) + res = set_bit(ku, 1, key_usage.content_commitment) + backend.openssl_assert(res == 1) + res = set_bit(ku, 2, key_usage.key_encipherment) + backend.openssl_assert(res == 1) + res = set_bit(ku, 3, key_usage.data_encipherment) + backend.openssl_assert(res == 1) + res = set_bit(ku, 4, key_usage.key_agreement) + backend.openssl_assert(res == 1) + res = set_bit(ku, 5, key_usage.key_cert_sign) + backend.openssl_assert(res == 1) + res = set_bit(ku, 6, key_usage.crl_sign) + backend.openssl_assert(res == 1) + if key_usage.key_agreement: + res = set_bit(ku, 7, key_usage.encipher_only) + backend.openssl_assert(res == 1) + res = set_bit(ku, 8, key_usage.decipher_only) + backend.openssl_assert(res == 1) + else: + res = set_bit(ku, 7, 0) + backend.openssl_assert(res == 1) + res = set_bit(ku, 8, 0) + backend.openssl_assert(res == 1) + + return ku + + +def _encode_authority_key_identifier(backend, authority_keyid): + akid = backend._lib.AUTHORITY_KEYID_new() + backend.openssl_assert(akid != backend._ffi.NULL) + akid = backend._ffi.gc(akid, backend._lib.AUTHORITY_KEYID_free) + if authority_keyid.key_identifier is not None: + akid.keyid = _encode_asn1_str( + backend, + authority_keyid.key_identifier, + ) + + if authority_keyid.authority_cert_issuer is not None: + akid.issuer = _encode_general_names( + backend, authority_keyid.authority_cert_issuer + ) + + if authority_keyid.authority_cert_serial_number is not None: + akid.serial = _encode_asn1_int( + backend, authority_keyid.authority_cert_serial_number + ) + + return akid + + +def _encode_basic_constraints(backend, basic_constraints): + constraints = backend._lib.BASIC_CONSTRAINTS_new() + constraints = backend._ffi.gc( + constraints, backend._lib.BASIC_CONSTRAINTS_free + ) + constraints.ca = 255 if basic_constraints.ca else 0 + if basic_constraints.ca and basic_constraints.path_length is not None: + constraints.pathlen = _encode_asn1_int( + backend, basic_constraints.path_length + ) + + return constraints + + +def _encode_information_access(backend, info_access): + aia = backend._lib.sk_ACCESS_DESCRIPTION_new_null() + backend.openssl_assert(aia != backend._ffi.NULL) + aia = backend._ffi.gc( + aia, + lambda x: backend._lib.sk_ACCESS_DESCRIPTION_pop_free( + x, + backend._ffi.addressof( + backend._lib._original_lib, "ACCESS_DESCRIPTION_free" + ), + ), + ) + for access_description in info_access: + ad = backend._lib.ACCESS_DESCRIPTION_new() + method = _txt2obj( + backend, access_description.access_method.dotted_string + ) + _encode_general_name_preallocated( + backend, access_description.access_location, ad.location + ) + ad.method = method + res = backend._lib.sk_ACCESS_DESCRIPTION_push(aia, ad) + backend.openssl_assert(res >= 1) + + return aia + + +def _encode_general_names(backend, names): + general_names = backend._lib.GENERAL_NAMES_new() + backend.openssl_assert(general_names != backend._ffi.NULL) + for name in names: + gn = _encode_general_name(backend, name) + res = backend._lib.sk_GENERAL_NAME_push(general_names, gn) + backend.openssl_assert(res != 0) + + return general_names + + +def _encode_alt_name(backend, san): + general_names = _encode_general_names(backend, san) + general_names = backend._ffi.gc( + general_names, backend._lib.GENERAL_NAMES_free + ) + return general_names + + +def _encode_subject_key_identifier(backend, ski): + return _encode_asn1_str_gc(backend, ski.digest) + + +def _encode_general_name(backend, name): + gn = backend._lib.GENERAL_NAME_new() + _encode_general_name_preallocated(backend, name, gn) + return gn + + +def _encode_general_name_preallocated(backend, name, gn): + if isinstance(name, x509.DNSName): + backend.openssl_assert(gn != backend._ffi.NULL) + gn.type = backend._lib.GEN_DNS + + ia5 = backend._lib.ASN1_IA5STRING_new() + backend.openssl_assert(ia5 != backend._ffi.NULL) + # ia5strings are supposed to be ITU T.50 but to allow round-tripping + # of broken certs that encode utf8 we'll encode utf8 here too. + value = name.value.encode("utf8") + + res = backend._lib.ASN1_STRING_set(ia5, value, len(value)) + backend.openssl_assert(res == 1) + gn.d.dNSName = ia5 + elif isinstance(name, x509.RegisteredID): + backend.openssl_assert(gn != backend._ffi.NULL) + gn.type = backend._lib.GEN_RID + obj = backend._lib.OBJ_txt2obj( + name.value.dotted_string.encode("ascii"), 1 + ) + backend.openssl_assert(obj != backend._ffi.NULL) + gn.d.registeredID = obj + elif isinstance(name, x509.DirectoryName): + backend.openssl_assert(gn != backend._ffi.NULL) + dir_name = _encode_name(backend, name.value) + gn.type = backend._lib.GEN_DIRNAME + gn.d.directoryName = dir_name + elif isinstance(name, x509.IPAddress): + backend.openssl_assert(gn != backend._ffi.NULL) + if isinstance(name.value, ipaddress.IPv4Network): + packed = name.value.network_address.packed + utils.int_to_bytes( + ((1 << 32) - name.value.num_addresses), 4 + ) + elif isinstance(name.value, ipaddress.IPv6Network): + packed = name.value.network_address.packed + utils.int_to_bytes( + (1 << 128) - name.value.num_addresses, 16 + ) + else: + packed = name.value.packed + ipaddr = _encode_asn1_str(backend, packed) + gn.type = backend._lib.GEN_IPADD + gn.d.iPAddress = ipaddr + elif isinstance(name, x509.OtherName): + backend.openssl_assert(gn != backend._ffi.NULL) + other_name = backend._lib.OTHERNAME_new() + backend.openssl_assert(other_name != backend._ffi.NULL) + + type_id = backend._lib.OBJ_txt2obj( + name.type_id.dotted_string.encode("ascii"), 1 + ) + backend.openssl_assert(type_id != backend._ffi.NULL) + data = backend._ffi.new("unsigned char[]", name.value) + data_ptr_ptr = backend._ffi.new("unsigned char **") + data_ptr_ptr[0] = data + value = backend._lib.d2i_ASN1_TYPE( + backend._ffi.NULL, data_ptr_ptr, len(name.value) + ) + if value == backend._ffi.NULL: + backend._consume_errors() + raise ValueError("Invalid ASN.1 data") + other_name.type_id = type_id + other_name.value = value + gn.type = backend._lib.GEN_OTHERNAME + gn.d.otherName = other_name + elif isinstance(name, x509.RFC822Name): + backend.openssl_assert(gn != backend._ffi.NULL) + # ia5strings are supposed to be ITU T.50 but to allow round-tripping + # of broken certs that encode utf8 we'll encode utf8 here too. + data = name.value.encode("utf8") + asn1_str = _encode_asn1_str(backend, data) + gn.type = backend._lib.GEN_EMAIL + gn.d.rfc822Name = asn1_str + elif isinstance(name, x509.UniformResourceIdentifier): + backend.openssl_assert(gn != backend._ffi.NULL) + # ia5strings are supposed to be ITU T.50 but to allow round-tripping + # of broken certs that encode utf8 we'll encode utf8 here too. + data = name.value.encode("utf8") + asn1_str = _encode_asn1_str(backend, data) + gn.type = backend._lib.GEN_URI + gn.d.uniformResourceIdentifier = asn1_str + else: + raise ValueError("{} is an unknown GeneralName type".format(name)) + + +def _encode_extended_key_usage(backend, extended_key_usage): + eku = backend._lib.sk_ASN1_OBJECT_new_null() + eku = backend._ffi.gc(eku, backend._lib.sk_ASN1_OBJECT_free) + for oid in extended_key_usage: + obj = _txt2obj(backend, oid.dotted_string) + res = backend._lib.sk_ASN1_OBJECT_push(eku, obj) + backend.openssl_assert(res >= 1) + + return eku + + +_CRLREASONFLAGS = { + x509.ReasonFlags.key_compromise: 1, + x509.ReasonFlags.ca_compromise: 2, + x509.ReasonFlags.affiliation_changed: 3, + x509.ReasonFlags.superseded: 4, + x509.ReasonFlags.cessation_of_operation: 5, + x509.ReasonFlags.certificate_hold: 6, + x509.ReasonFlags.privilege_withdrawn: 7, + x509.ReasonFlags.aa_compromise: 8, +} + + +def _encode_reasonflags(backend, reasons): + bitmask = backend._lib.ASN1_BIT_STRING_new() + backend.openssl_assert(bitmask != backend._ffi.NULL) + for reason in reasons: + res = backend._lib.ASN1_BIT_STRING_set_bit( + bitmask, _CRLREASONFLAGS[reason], 1 + ) + backend.openssl_assert(res == 1) + + return bitmask + + +def _encode_full_name(backend, full_name): + dpn = backend._lib.DIST_POINT_NAME_new() + backend.openssl_assert(dpn != backend._ffi.NULL) + dpn.type = _DISTPOINT_TYPE_FULLNAME + dpn.name.fullname = _encode_general_names(backend, full_name) + return dpn + + +def _encode_relative_name(backend, relative_name): + dpn = backend._lib.DIST_POINT_NAME_new() + backend.openssl_assert(dpn != backend._ffi.NULL) + dpn.type = _DISTPOINT_TYPE_RELATIVENAME + dpn.name.relativename = _encode_sk_name_entry(backend, relative_name) + return dpn + + +def _encode_cdps_freshest_crl(backend, cdps): + cdp = backend._lib.sk_DIST_POINT_new_null() + cdp = backend._ffi.gc(cdp, backend._lib.sk_DIST_POINT_free) + for point in cdps: + dp = backend._lib.DIST_POINT_new() + backend.openssl_assert(dp != backend._ffi.NULL) + + if point.reasons: + dp.reasons = _encode_reasonflags(backend, point.reasons) + + if point.full_name: + dp.distpoint = _encode_full_name(backend, point.full_name) + + if point.relative_name: + dp.distpoint = _encode_relative_name(backend, point.relative_name) + + if point.crl_issuer: + dp.CRLissuer = _encode_general_names(backend, point.crl_issuer) + + res = backend._lib.sk_DIST_POINT_push(cdp, dp) + backend.openssl_assert(res >= 1) + + return cdp + + +def _encode_name_constraints(backend, name_constraints): + nc = backend._lib.NAME_CONSTRAINTS_new() + backend.openssl_assert(nc != backend._ffi.NULL) + nc = backend._ffi.gc(nc, backend._lib.NAME_CONSTRAINTS_free) + permitted = _encode_general_subtree( + backend, name_constraints.permitted_subtrees + ) + nc.permittedSubtrees = permitted + excluded = _encode_general_subtree( + backend, name_constraints.excluded_subtrees + ) + nc.excludedSubtrees = excluded + + return nc + + +def _encode_policy_constraints(backend, policy_constraints): + pc = backend._lib.POLICY_CONSTRAINTS_new() + backend.openssl_assert(pc != backend._ffi.NULL) + pc = backend._ffi.gc(pc, backend._lib.POLICY_CONSTRAINTS_free) + if policy_constraints.require_explicit_policy is not None: + pc.requireExplicitPolicy = _encode_asn1_int( + backend, policy_constraints.require_explicit_policy + ) + + if policy_constraints.inhibit_policy_mapping is not None: + pc.inhibitPolicyMapping = _encode_asn1_int( + backend, policy_constraints.inhibit_policy_mapping + ) + + return pc + + +def _encode_general_subtree(backend, subtrees): + if subtrees is None: + return backend._ffi.NULL + else: + general_subtrees = backend._lib.sk_GENERAL_SUBTREE_new_null() + for name in subtrees: + gs = backend._lib.GENERAL_SUBTREE_new() + gs.base = _encode_general_name(backend, name) + res = backend._lib.sk_GENERAL_SUBTREE_push(general_subtrees, gs) + backend.openssl_assert(res >= 1) + + return general_subtrees + + +def _encode_precert_signed_certificate_timestamps(backend, scts): + sct_stack = backend._lib.sk_SCT_new_null() + backend.openssl_assert(sct_stack != backend._ffi.NULL) + sct_stack = backend._ffi.gc(sct_stack, backend._lib.sk_SCT_free) + for sct in scts: + res = backend._lib.sk_SCT_push(sct_stack, sct._sct) + backend.openssl_assert(res >= 1) + return sct_stack + + +def _encode_nonce(backend, nonce): + return _encode_asn1_str_gc(backend, nonce.nonce) + + +_EXTENSION_ENCODE_HANDLERS = { + ExtensionOID.BASIC_CONSTRAINTS: _encode_basic_constraints, + ExtensionOID.SUBJECT_KEY_IDENTIFIER: _encode_subject_key_identifier, + ExtensionOID.KEY_USAGE: _encode_key_usage, + ExtensionOID.SUBJECT_ALTERNATIVE_NAME: _encode_alt_name, + ExtensionOID.ISSUER_ALTERNATIVE_NAME: _encode_alt_name, + ExtensionOID.EXTENDED_KEY_USAGE: _encode_extended_key_usage, + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: _encode_authority_key_identifier, + ExtensionOID.CERTIFICATE_POLICIES: _encode_certificate_policies, + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: _encode_information_access, + ExtensionOID.SUBJECT_INFORMATION_ACCESS: _encode_information_access, + ExtensionOID.CRL_DISTRIBUTION_POINTS: _encode_cdps_freshest_crl, + ExtensionOID.FRESHEST_CRL: _encode_cdps_freshest_crl, + ExtensionOID.INHIBIT_ANY_POLICY: _encode_inhibit_any_policy, + ExtensionOID.OCSP_NO_CHECK: _encode_ocsp_nocheck, + ExtensionOID.NAME_CONSTRAINTS: _encode_name_constraints, + ExtensionOID.POLICY_CONSTRAINTS: _encode_policy_constraints, + ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: ( + _encode_precert_signed_certificate_timestamps + ), +} + +_CRL_EXTENSION_ENCODE_HANDLERS = { + ExtensionOID.ISSUER_ALTERNATIVE_NAME: _encode_alt_name, + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: _encode_authority_key_identifier, + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: _encode_information_access, + ExtensionOID.CRL_NUMBER: _encode_crl_number_delta_crl_indicator, + ExtensionOID.DELTA_CRL_INDICATOR: _encode_crl_number_delta_crl_indicator, + ExtensionOID.ISSUING_DISTRIBUTION_POINT: _encode_issuing_dist_point, + ExtensionOID.FRESHEST_CRL: _encode_cdps_freshest_crl, +} + +_CRL_ENTRY_EXTENSION_ENCODE_HANDLERS = { + CRLEntryExtensionOID.CERTIFICATE_ISSUER: _encode_alt_name, + CRLEntryExtensionOID.CRL_REASON: _encode_crl_reason, + CRLEntryExtensionOID.INVALIDITY_DATE: _encode_invalidity_date, +} + +_OCSP_REQUEST_EXTENSION_ENCODE_HANDLERS = { + OCSPExtensionOID.NONCE: _encode_nonce, +} + +_OCSP_BASICRESP_EXTENSION_ENCODE_HANDLERS = { + OCSPExtensionOID.NONCE: _encode_nonce, +} diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hashes.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hashes.py new file mode 100644 index 0000000..823d24f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hashes.py @@ -0,0 +1,79 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import hashes + + +class _HashContext(hashes.HashContext): + def __init__(self, backend, algorithm: hashes.HashAlgorithm, ctx=None): + self._algorithm = algorithm + + self._backend = backend + + if ctx is None: + ctx = self._backend._lib.EVP_MD_CTX_new() + ctx = self._backend._ffi.gc( + ctx, self._backend._lib.EVP_MD_CTX_free + ) + evp_md = self._backend._evp_md_from_algorithm(algorithm) + if evp_md == self._backend._ffi.NULL: + raise UnsupportedAlgorithm( + "{} is not a supported hash on this backend.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + res = self._backend._lib.EVP_DigestInit_ex( + ctx, evp_md, self._backend._ffi.NULL + ) + self._backend.openssl_assert(res != 0) + + self._ctx = ctx + + algorithm = utils.read_only_property("_algorithm") + + def copy(self) -> "_HashContext": + copied_ctx = self._backend._lib.EVP_MD_CTX_new() + copied_ctx = self._backend._ffi.gc( + copied_ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_MD_CTX_copy_ex(copied_ctx, self._ctx) + self._backend.openssl_assert(res != 0) + return _HashContext(self._backend, self.algorithm, ctx=copied_ctx) + + def update(self, data: bytes) -> None: + data_ptr = self._backend._ffi.from_buffer(data) + res = self._backend._lib.EVP_DigestUpdate( + self._ctx, data_ptr, len(data) + ) + self._backend.openssl_assert(res != 0) + + def finalize(self) -> bytes: + if isinstance(self.algorithm, hashes.ExtendableOutputFunction): + # extendable output functions use a different finalize + return self._finalize_xof() + else: + buf = self._backend._ffi.new( + "unsigned char[]", self._backend._lib.EVP_MAX_MD_SIZE + ) + outlen = self._backend._ffi.new("unsigned int *") + res = self._backend._lib.EVP_DigestFinal_ex(self._ctx, buf, outlen) + self._backend.openssl_assert(res != 0) + self._backend.openssl_assert( + outlen[0] == self.algorithm.digest_size + ) + return self._backend._ffi.buffer(buf)[: outlen[0]] + + def _finalize_xof(self) -> bytes: + buf = self._backend._ffi.new( + "unsigned char[]", self.algorithm.digest_size + ) + res = self._backend._lib.EVP_DigestFinalXOF( + self._ctx, buf, self.algorithm.digest_size + ) + self._backend.openssl_assert(res != 0) + return self._backend._ffi.buffer(buf)[: self.algorithm.digest_size] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hmac.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hmac.py new file mode 100644 index 0000000..e9e4613 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/hmac.py @@ -0,0 +1,75 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.primitives import constant_time, hashes + + +class _HMACContext(hashes.HashContext): + def __init__( + self, backend, key: bytes, algorithm: hashes.HashAlgorithm, ctx=None + ): + self._algorithm = algorithm + self._backend = backend + + if ctx is None: + ctx = self._backend._lib.HMAC_CTX_new() + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + ctx = self._backend._ffi.gc(ctx, self._backend._lib.HMAC_CTX_free) + evp_md = self._backend._evp_md_from_algorithm(algorithm) + if evp_md == self._backend._ffi.NULL: + raise UnsupportedAlgorithm( + "{} is not a supported hash on this backend".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + key_ptr = self._backend._ffi.from_buffer(key) + res = self._backend._lib.HMAC_Init_ex( + ctx, key_ptr, len(key), evp_md, self._backend._ffi.NULL + ) + self._backend.openssl_assert(res != 0) + + self._ctx = ctx + self._key = key + + algorithm = utils.read_only_property("_algorithm") + + def copy(self) -> "_HMACContext": + copied_ctx = self._backend._lib.HMAC_CTX_new() + self._backend.openssl_assert(copied_ctx != self._backend._ffi.NULL) + copied_ctx = self._backend._ffi.gc( + copied_ctx, self._backend._lib.HMAC_CTX_free + ) + res = self._backend._lib.HMAC_CTX_copy(copied_ctx, self._ctx) + self._backend.openssl_assert(res != 0) + return _HMACContext( + self._backend, self._key, self.algorithm, ctx=copied_ctx + ) + + def update(self, data: bytes) -> None: + data_ptr = self._backend._ffi.from_buffer(data) + res = self._backend._lib.HMAC_Update(self._ctx, data_ptr, len(data)) + self._backend.openssl_assert(res != 0) + + def finalize(self) -> bytes: + buf = self._backend._ffi.new( + "unsigned char[]", self._backend._lib.EVP_MAX_MD_SIZE + ) + outlen = self._backend._ffi.new("unsigned int *") + res = self._backend._lib.HMAC_Final(self._ctx, buf, outlen) + self._backend.openssl_assert(res != 0) + self._backend.openssl_assert(outlen[0] == self.algorithm.digest_size) + return self._backend._ffi.buffer(buf)[: outlen[0]] + + def verify(self, signature: bytes) -> None: + digest = self.finalize() + if not constant_time.bytes_eq(digest, signature): + raise InvalidSignature("Signature did not match digest.") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ocsp.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ocsp.py new file mode 100644 index 0000000..9138e78 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/ocsp.py @@ -0,0 +1,393 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import datetime +import typing + +from cryptography import utils, x509 +from cryptography.exceptions import UnsupportedAlgorithm +from cryptography.hazmat.backends.openssl.decode_asn1 import ( + _CRL_ENTRY_REASON_CODE_TO_ENUM, + _asn1_integer_to_int, + _asn1_string_to_bytes, + _decode_x509_name, + _obj2txt, + _parse_asn1_generalized_time, +) +from cryptography.hazmat.backends.openssl.x509 import _Certificate +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.x509.ocsp import ( + OCSPCertStatus, + OCSPRequest, + OCSPResponse, + OCSPResponseStatus, + _CERT_STATUS_TO_ENUM, + _OIDS_TO_HASH, + _RESPONSE_STATUS_TO_ENUM, +) + + +def _issuer_key_hash(backend, cert_id): + key_hash = backend._ffi.new("ASN1_OCTET_STRING **") + res = backend._lib.OCSP_id_get0_info( + backend._ffi.NULL, + backend._ffi.NULL, + key_hash, + backend._ffi.NULL, + cert_id, + ) + backend.openssl_assert(res == 1) + backend.openssl_assert(key_hash[0] != backend._ffi.NULL) + return _asn1_string_to_bytes(backend, key_hash[0]) + + +def _issuer_name_hash(backend, cert_id): + name_hash = backend._ffi.new("ASN1_OCTET_STRING **") + res = backend._lib.OCSP_id_get0_info( + name_hash, + backend._ffi.NULL, + backend._ffi.NULL, + backend._ffi.NULL, + cert_id, + ) + backend.openssl_assert(res == 1) + backend.openssl_assert(name_hash[0] != backend._ffi.NULL) + return _asn1_string_to_bytes(backend, name_hash[0]) + + +def _serial_number(backend, cert_id): + num = backend._ffi.new("ASN1_INTEGER **") + res = backend._lib.OCSP_id_get0_info( + backend._ffi.NULL, backend._ffi.NULL, backend._ffi.NULL, num, cert_id + ) + backend.openssl_assert(res == 1) + backend.openssl_assert(num[0] != backend._ffi.NULL) + return _asn1_integer_to_int(backend, num[0]) + + +def _hash_algorithm(backend, cert_id): + asn1obj = backend._ffi.new("ASN1_OBJECT **") + res = backend._lib.OCSP_id_get0_info( + backend._ffi.NULL, + asn1obj, + backend._ffi.NULL, + backend._ffi.NULL, + cert_id, + ) + backend.openssl_assert(res == 1) + backend.openssl_assert(asn1obj[0] != backend._ffi.NULL) + oid = _obj2txt(backend, asn1obj[0]) + try: + return _OIDS_TO_HASH[oid] + except KeyError: + raise UnsupportedAlgorithm( + "Signature algorithm OID: {} not recognized".format(oid) + ) + + +class _OCSPResponse(OCSPResponse): + def __init__(self, backend, ocsp_response): + self._backend = backend + self._ocsp_response = ocsp_response + status = self._backend._lib.OCSP_response_status(self._ocsp_response) + self._backend.openssl_assert(status in _RESPONSE_STATUS_TO_ENUM) + self._status = _RESPONSE_STATUS_TO_ENUM[status] + if self._status is OCSPResponseStatus.SUCCESSFUL: + basic = self._backend._lib.OCSP_response_get1_basic( + self._ocsp_response + ) + self._backend.openssl_assert(basic != self._backend._ffi.NULL) + self._basic = self._backend._ffi.gc( + basic, self._backend._lib.OCSP_BASICRESP_free + ) + num_resp = self._backend._lib.OCSP_resp_count(self._basic) + if num_resp != 1: + raise ValueError( + "OCSP response contains more than one SINGLERESP structure" + ", which this library does not support. " + "{} found".format(num_resp) + ) + self._single = self._backend._lib.OCSP_resp_get0(self._basic, 0) + self._backend.openssl_assert( + self._single != self._backend._ffi.NULL + ) + self._cert_id = self._backend._lib.OCSP_SINGLERESP_get0_id( + self._single + ) + self._backend.openssl_assert( + self._cert_id != self._backend._ffi.NULL + ) + + response_status = utils.read_only_property("_status") + + def _requires_successful_response(self) -> None: + if self.response_status != OCSPResponseStatus.SUCCESSFUL: + raise ValueError( + "OCSP response status is not successful so the property " + "has no value" + ) + + @property + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + self._requires_successful_response() + alg = self._backend._lib.OCSP_resp_get0_tbs_sigalg(self._basic) + self._backend.openssl_assert(alg != self._backend._ffi.NULL) + oid = _obj2txt(self._backend, alg.algorithm) + return x509.ObjectIdentifier(oid) + + @property + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + self._requires_successful_response() + oid = self.signature_algorithm_oid + try: + return x509._SIG_OIDS_TO_HASH[oid] + except KeyError: + raise UnsupportedAlgorithm( + "Signature algorithm OID:{} not recognized".format(oid) + ) + + @property + def signature(self) -> bytes: + self._requires_successful_response() + sig = self._backend._lib.OCSP_resp_get0_signature(self._basic) + self._backend.openssl_assert(sig != self._backend._ffi.NULL) + return _asn1_string_to_bytes(self._backend, sig) + + @property + def tbs_response_bytes(self) -> bytes: + self._requires_successful_response() + respdata = self._backend._lib.OCSP_resp_get0_respdata(self._basic) + self._backend.openssl_assert(respdata != self._backend._ffi.NULL) + pp = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.i2d_OCSP_RESPDATA(respdata, pp) + self._backend.openssl_assert(pp[0] != self._backend._ffi.NULL) + pp = self._backend._ffi.gc( + pp, lambda pointer: self._backend._lib.OPENSSL_free(pointer[0]) + ) + self._backend.openssl_assert(res > 0) + return self._backend._ffi.buffer(pp[0], res)[:] + + @property + def certificates(self) -> typing.List[x509.Certificate]: + self._requires_successful_response() + sk_x509 = self._backend._lib.OCSP_resp_get0_certs(self._basic) + num = self._backend._lib.sk_X509_num(sk_x509) + certs: typing.List[x509.Certificate] = [] + for i in range(num): + x509_ptr = self._backend._lib.sk_X509_value(sk_x509, i) + self._backend.openssl_assert(x509_ptr != self._backend._ffi.NULL) + cert = _Certificate(self._backend, x509_ptr) + # We need to keep the OCSP response that the certificate came from + # alive until the Certificate object itself goes out of scope, so + # we give it a private reference. + cert._ocsp_resp_ref = self + certs.append(cert) + + return certs + + @property + def responder_key_hash(self) -> typing.Optional[bytes]: + self._requires_successful_response() + _, asn1_string = self._responder_key_name() + if asn1_string == self._backend._ffi.NULL: + return None + else: + return _asn1_string_to_bytes(self._backend, asn1_string) + + @property + def responder_name(self) -> typing.Optional[x509.Name]: + self._requires_successful_response() + x509_name, _ = self._responder_key_name() + if x509_name == self._backend._ffi.NULL: + return None + else: + return _decode_x509_name(self._backend, x509_name) + + def _responder_key_name(self): + asn1_string = self._backend._ffi.new("ASN1_OCTET_STRING **") + x509_name = self._backend._ffi.new("X509_NAME **") + res = self._backend._lib.OCSP_resp_get0_id( + self._basic, asn1_string, x509_name + ) + self._backend.openssl_assert(res == 1) + return x509_name[0], asn1_string[0] + + @property + def produced_at(self) -> datetime.datetime: + self._requires_successful_response() + produced_at = self._backend._lib.OCSP_resp_get0_produced_at( + self._basic + ) + return _parse_asn1_generalized_time(self._backend, produced_at) + + @property + def certificate_status(self) -> OCSPCertStatus: + self._requires_successful_response() + status = self._backend._lib.OCSP_single_get0_status( + self._single, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(status in _CERT_STATUS_TO_ENUM) + return _CERT_STATUS_TO_ENUM[status] + + @property + def revocation_time(self) -> typing.Optional[datetime.datetime]: + self._requires_successful_response() + if self.certificate_status is not OCSPCertStatus.REVOKED: + return None + + asn1_time = self._backend._ffi.new("ASN1_GENERALIZEDTIME **") + self._backend._lib.OCSP_single_get0_status( + self._single, + self._backend._ffi.NULL, + asn1_time, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(asn1_time[0] != self._backend._ffi.NULL) + return _parse_asn1_generalized_time(self._backend, asn1_time[0]) + + @property + def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]: + self._requires_successful_response() + if self.certificate_status is not OCSPCertStatus.REVOKED: + return None + + reason_ptr = self._backend._ffi.new("int *") + self._backend._lib.OCSP_single_get0_status( + self._single, + reason_ptr, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + # If no reason is encoded OpenSSL returns -1 + if reason_ptr[0] == -1: + return None + else: + self._backend.openssl_assert( + reason_ptr[0] in _CRL_ENTRY_REASON_CODE_TO_ENUM + ) + return _CRL_ENTRY_REASON_CODE_TO_ENUM[reason_ptr[0]] + + @property + def this_update(self) -> datetime.datetime: + self._requires_successful_response() + asn1_time = self._backend._ffi.new("ASN1_GENERALIZEDTIME **") + self._backend._lib.OCSP_single_get0_status( + self._single, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + asn1_time, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(asn1_time[0] != self._backend._ffi.NULL) + return _parse_asn1_generalized_time(self._backend, asn1_time[0]) + + @property + def next_update(self) -> typing.Optional[datetime.datetime]: + self._requires_successful_response() + asn1_time = self._backend._ffi.new("ASN1_GENERALIZEDTIME **") + self._backend._lib.OCSP_single_get0_status( + self._single, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + asn1_time, + ) + if asn1_time[0] != self._backend._ffi.NULL: + return _parse_asn1_generalized_time(self._backend, asn1_time[0]) + else: + return None + + @property + def issuer_key_hash(self) -> bytes: + self._requires_successful_response() + return _issuer_key_hash(self._backend, self._cert_id) + + @property + def issuer_name_hash(self) -> bytes: + self._requires_successful_response() + return _issuer_name_hash(self._backend, self._cert_id) + + @property + def hash_algorithm(self) -> hashes.HashAlgorithm: + self._requires_successful_response() + return _hash_algorithm(self._backend, self._cert_id) + + @property + def serial_number(self) -> int: + self._requires_successful_response() + return _serial_number(self._backend, self._cert_id) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + self._requires_successful_response() + return self._backend._ocsp_basicresp_ext_parser.parse(self._basic) + + @utils.cached_property + def single_extensions(self) -> x509.Extensions: + self._requires_successful_response() + return self._backend._ocsp_singleresp_ext_parser.parse(self._single) + + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + if encoding is not serialization.Encoding.DER: + raise ValueError("The only allowed encoding value is Encoding.DER") + + bio = self._backend._create_mem_bio_gc() + res = self._backend._lib.i2d_OCSP_RESPONSE_bio( + bio, self._ocsp_response + ) + self._backend.openssl_assert(res > 0) + return self._backend._read_mem_bio(bio) + + +class _OCSPRequest(OCSPRequest): + def __init__(self, backend, ocsp_request): + if backend._lib.OCSP_request_onereq_count(ocsp_request) > 1: + raise NotImplementedError( + "OCSP request contains more than one request" + ) + self._backend = backend + self._ocsp_request = ocsp_request + self._request = self._backend._lib.OCSP_request_onereq_get0( + self._ocsp_request, 0 + ) + self._backend.openssl_assert(self._request != self._backend._ffi.NULL) + self._cert_id = self._backend._lib.OCSP_onereq_get0_id(self._request) + self._backend.openssl_assert(self._cert_id != self._backend._ffi.NULL) + + @property + def issuer_key_hash(self) -> bytes: + return _issuer_key_hash(self._backend, self._cert_id) + + @property + def issuer_name_hash(self) -> bytes: + return _issuer_name_hash(self._backend, self._cert_id) + + @property + def serial_number(self) -> int: + return _serial_number(self._backend, self._cert_id) + + @property + def hash_algorithm(self) -> hashes.HashAlgorithm: + return _hash_algorithm(self._backend, self._cert_id) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + return self._backend._ocsp_req_ext_parser.parse(self._ocsp_request) + + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + if encoding is not serialization.Encoding.DER: + raise ValueError("The only allowed encoding value is Encoding.DER") + + bio = self._backend._create_mem_bio_gc() + res = self._backend._lib.i2d_OCSP_REQUEST_bio(bio, self._ocsp_request) + self._backend.openssl_assert(res > 0) + return self._backend._read_mem_bio(bio) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/poly1305.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/poly1305.py new file mode 100644 index 0000000..35f6819 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/poly1305.py @@ -0,0 +1,63 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.exceptions import InvalidSignature +from cryptography.hazmat.primitives import constant_time + + +_POLY1305_TAG_SIZE = 16 +_POLY1305_KEY_SIZE = 32 + + +class _Poly1305Context(object): + def __init__(self, backend, key): + self._backend = backend + + key_ptr = self._backend._ffi.from_buffer(key) + # This function copies the key into OpenSSL-owned memory so we don't + # need to retain it ourselves + evp_pkey = self._backend._lib.EVP_PKEY_new_raw_private_key( + self._backend._lib.NID_poly1305, + self._backend._ffi.NULL, + key_ptr, + len(key), + ) + self._backend.openssl_assert(evp_pkey != self._backend._ffi.NULL) + self._evp_pkey = self._backend._ffi.gc( + evp_pkey, self._backend._lib.EVP_PKEY_free + ) + ctx = self._backend._lib.EVP_MD_CTX_new() + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + self._ctx = self._backend._ffi.gc( + ctx, self._backend._lib.EVP_MD_CTX_free + ) + res = self._backend._lib.EVP_DigestSignInit( + self._ctx, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + self._evp_pkey, + ) + self._backend.openssl_assert(res == 1) + + def update(self, data): + data_ptr = self._backend._ffi.from_buffer(data) + res = self._backend._lib.EVP_DigestSignUpdate( + self._ctx, data_ptr, len(data) + ) + self._backend.openssl_assert(res != 0) + + def finalize(self): + buf = self._backend._ffi.new("unsigned char[]", _POLY1305_TAG_SIZE) + outlen = self._backend._ffi.new("size_t *") + res = self._backend._lib.EVP_DigestSignFinal(self._ctx, buf, outlen) + self._backend.openssl_assert(res != 0) + self._backend.openssl_assert(outlen[0] == _POLY1305_TAG_SIZE) + return self._backend._ffi.buffer(buf)[: outlen[0]] + + def verify(self, tag): + mac = self.finalize() + if not constant_time.bytes_eq(mac, tag): + raise InvalidSignature("Value did not match computed tag.") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/rsa.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/rsa.py new file mode 100644 index 0000000..74375ca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/rsa.py @@ -0,0 +1,575 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography import utils +from cryptography.exceptions import ( + InvalidSignature, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends.openssl.utils import ( + _calculate_digest_and_algorithm, + _check_not_prehashed, + _warn_sign_verify_deprecated, +) +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + utils as asym_utils, +) +from cryptography.hazmat.primitives.asymmetric.padding import ( + AsymmetricPadding, + MGF1, + OAEP, + PKCS1v15, + PSS, + calculate_max_pss_salt_length, +) +from cryptography.hazmat.primitives.asymmetric.rsa import ( + RSAPrivateKey, + RSAPrivateNumbers, + RSAPublicKey, + RSAPublicNumbers, +) + + +def _get_rsa_pss_salt_length( + pss: PSS, + key: typing.Union[RSAPrivateKey, RSAPublicKey], + hash_algorithm: hashes.HashAlgorithm, +) -> int: + salt = pss._salt_length + + if salt is MGF1.MAX_LENGTH or salt is PSS.MAX_LENGTH: + return calculate_max_pss_salt_length(key, hash_algorithm) + else: + return salt + + +def _enc_dec_rsa( + backend, + key: typing.Union["_RSAPrivateKey", "_RSAPublicKey"], + data: bytes, + padding: AsymmetricPadding, +) -> bytes: + if not isinstance(padding, AsymmetricPadding): + raise TypeError("Padding must be an instance of AsymmetricPadding.") + + if isinstance(padding, PKCS1v15): + padding_enum = backend._lib.RSA_PKCS1_PADDING + elif isinstance(padding, OAEP): + padding_enum = backend._lib.RSA_PKCS1_OAEP_PADDING + + if not isinstance(padding._mgf, MGF1): + raise UnsupportedAlgorithm( + "Only MGF1 is supported by this backend.", + _Reasons.UNSUPPORTED_MGF, + ) + + if not backend.rsa_padding_supported(padding): + raise UnsupportedAlgorithm( + "This combination of padding and hash algorithm is not " + "supported by this backend.", + _Reasons.UNSUPPORTED_PADDING, + ) + + else: + raise UnsupportedAlgorithm( + "{} is not supported by this backend.".format(padding.name), + _Reasons.UNSUPPORTED_PADDING, + ) + + return _enc_dec_rsa_pkey_ctx(backend, key, data, padding_enum, padding) + + +def _enc_dec_rsa_pkey_ctx( + backend, + key: typing.Union["_RSAPrivateKey", "_RSAPublicKey"], + data: bytes, + padding_enum: int, + padding: AsymmetricPadding, +) -> bytes: + if isinstance(key, _RSAPublicKey): + init = backend._lib.EVP_PKEY_encrypt_init + crypt = backend._lib.EVP_PKEY_encrypt + else: + init = backend._lib.EVP_PKEY_decrypt_init + crypt = backend._lib.EVP_PKEY_decrypt + + pkey_ctx = backend._lib.EVP_PKEY_CTX_new(key._evp_pkey, backend._ffi.NULL) + backend.openssl_assert(pkey_ctx != backend._ffi.NULL) + pkey_ctx = backend._ffi.gc(pkey_ctx, backend._lib.EVP_PKEY_CTX_free) + res = init(pkey_ctx) + backend.openssl_assert(res == 1) + res = backend._lib.EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, padding_enum) + backend.openssl_assert(res > 0) + buf_size = backend._lib.EVP_PKEY_size(key._evp_pkey) + backend.openssl_assert(buf_size > 0) + if isinstance(padding, OAEP) and backend._lib.Cryptography_HAS_RSA_OAEP_MD: + mgf1_md = backend._evp_md_non_null_from_algorithm( + padding._mgf._algorithm + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, mgf1_md) + backend.openssl_assert(res > 0) + oaep_md = backend._evp_md_non_null_from_algorithm(padding._algorithm) + res = backend._lib.EVP_PKEY_CTX_set_rsa_oaep_md(pkey_ctx, oaep_md) + backend.openssl_assert(res > 0) + + if ( + isinstance(padding, OAEP) + and padding._label is not None + and len(padding._label) > 0 + ): + # set0_rsa_oaep_label takes ownership of the char * so we need to + # copy it into some new memory + labelptr = backend._lib.OPENSSL_malloc(len(padding._label)) + backend.openssl_assert(labelptr != backend._ffi.NULL) + backend._ffi.memmove(labelptr, padding._label, len(padding._label)) + res = backend._lib.EVP_PKEY_CTX_set0_rsa_oaep_label( + pkey_ctx, labelptr, len(padding._label) + ) + backend.openssl_assert(res == 1) + + outlen = backend._ffi.new("size_t *", buf_size) + buf = backend._ffi.new("unsigned char[]", buf_size) + # Everything from this line onwards is written with the goal of being as + # constant-time as is practical given the constraints of Python and our + # API. See Bleichenbacher's '98 attack on RSA, and its many many variants. + # As such, you should not attempt to change this (particularly to "clean it + # up") without understanding why it was written this way (see + # Chesterton's Fence), and without measuring to verify you have not + # introduced observable time differences. + res = crypt(pkey_ctx, buf, outlen, data, len(data)) + resbuf = backend._ffi.buffer(buf)[: outlen[0]] + backend._lib.ERR_clear_error() + if res <= 0: + raise ValueError("Encryption/decryption failed.") + return resbuf + + +def _rsa_sig_determine_padding(backend, key, padding, algorithm): + if not isinstance(padding, AsymmetricPadding): + raise TypeError("Expected provider of AsymmetricPadding.") + + pkey_size = backend._lib.EVP_PKEY_size(key._evp_pkey) + backend.openssl_assert(pkey_size > 0) + + if isinstance(padding, PKCS1v15): + # Hash algorithm is ignored for PKCS1v15-padding, may be None. + padding_enum = backend._lib.RSA_PKCS1_PADDING + elif isinstance(padding, PSS): + if not isinstance(padding._mgf, MGF1): + raise UnsupportedAlgorithm( + "Only MGF1 is supported by this backend.", + _Reasons.UNSUPPORTED_MGF, + ) + + # PSS padding requires a hash algorithm + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + # Size of key in bytes - 2 is the maximum + # PSS signature length (salt length is checked later) + if pkey_size - algorithm.digest_size - 2 < 0: + raise ValueError( + "Digest too large for key size. Use a larger " + "key or different digest." + ) + + padding_enum = backend._lib.RSA_PKCS1_PSS_PADDING + else: + raise UnsupportedAlgorithm( + "{} is not supported by this backend.".format(padding.name), + _Reasons.UNSUPPORTED_PADDING, + ) + + return padding_enum + + +# Hash algorithm can be absent (None) to initialize the context without setting +# any message digest algorithm. This is currently only valid for the PKCS1v15 +# padding type, where it means that the signature data is encoded/decoded +# as provided, without being wrapped in a DigestInfo structure. +def _rsa_sig_setup(backend, padding, algorithm, key, init_func): + padding_enum = _rsa_sig_determine_padding(backend, key, padding, algorithm) + pkey_ctx = backend._lib.EVP_PKEY_CTX_new(key._evp_pkey, backend._ffi.NULL) + backend.openssl_assert(pkey_ctx != backend._ffi.NULL) + pkey_ctx = backend._ffi.gc(pkey_ctx, backend._lib.EVP_PKEY_CTX_free) + res = init_func(pkey_ctx) + backend.openssl_assert(res == 1) + if algorithm is not None: + evp_md = backend._evp_md_non_null_from_algorithm(algorithm) + res = backend._lib.EVP_PKEY_CTX_set_signature_md(pkey_ctx, evp_md) + if res == 0: + backend._consume_errors() + raise UnsupportedAlgorithm( + "{} is not supported by this backend for RSA signing.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_padding(pkey_ctx, padding_enum) + if res <= 0: + backend._consume_errors() + raise UnsupportedAlgorithm( + "{} is not supported for the RSA signature operation.".format( + padding.name + ), + _Reasons.UNSUPPORTED_PADDING, + ) + if isinstance(padding, PSS): + res = backend._lib.EVP_PKEY_CTX_set_rsa_pss_saltlen( + pkey_ctx, _get_rsa_pss_salt_length(padding, key, algorithm) + ) + backend.openssl_assert(res > 0) + + mgf1_md = backend._evp_md_non_null_from_algorithm( + padding._mgf._algorithm + ) + res = backend._lib.EVP_PKEY_CTX_set_rsa_mgf1_md(pkey_ctx, mgf1_md) + backend.openssl_assert(res > 0) + + return pkey_ctx + + +def _rsa_sig_sign(backend, padding, algorithm, private_key, data): + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + private_key, + backend._lib.EVP_PKEY_sign_init, + ) + buflen = backend._ffi.new("size_t *") + res = backend._lib.EVP_PKEY_sign( + pkey_ctx, backend._ffi.NULL, buflen, data, len(data) + ) + backend.openssl_assert(res == 1) + buf = backend._ffi.new("unsigned char[]", buflen[0]) + res = backend._lib.EVP_PKEY_sign(pkey_ctx, buf, buflen, data, len(data)) + if res != 1: + errors = backend._consume_errors_with_text() + raise ValueError( + "Digest or salt length too long for key size. Use a larger key " + "or shorter salt length if you are specifying a PSS salt", + errors, + ) + + return backend._ffi.buffer(buf)[:] + + +def _rsa_sig_verify(backend, padding, algorithm, public_key, signature, data): + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + public_key, + backend._lib.EVP_PKEY_verify_init, + ) + res = backend._lib.EVP_PKEY_verify( + pkey_ctx, signature, len(signature), data, len(data) + ) + # The previous call can return negative numbers in the event of an + # error. This is not a signature failure but we need to fail if it + # occurs. + backend.openssl_assert(res >= 0) + if res == 0: + backend._consume_errors() + raise InvalidSignature + + +def _rsa_sig_recover(backend, padding, algorithm, public_key, signature): + pkey_ctx = _rsa_sig_setup( + backend, + padding, + algorithm, + public_key, + backend._lib.EVP_PKEY_verify_recover_init, + ) + + # Attempt to keep the rest of the code in this function as constant/time + # as possible. See the comment in _enc_dec_rsa_pkey_ctx. Note that the + # buflen parameter is used even though its value may be undefined in the + # error case. Due to the tolerant nature of Python slicing this does not + # trigger any exceptions. + maxlen = backend._lib.EVP_PKEY_size(public_key._evp_pkey) + backend.openssl_assert(maxlen > 0) + buf = backend._ffi.new("unsigned char[]", maxlen) + buflen = backend._ffi.new("size_t *", maxlen) + res = backend._lib.EVP_PKEY_verify_recover( + pkey_ctx, buf, buflen, signature, len(signature) + ) + resbuf = backend._ffi.buffer(buf)[: buflen[0]] + backend._lib.ERR_clear_error() + # Assume that all parameter errors are handled during the setup phase and + # any error here is due to invalid signature. + if res != 1: + raise InvalidSignature + return resbuf + + +class _RSASignatureContext(AsymmetricSignatureContext): + def __init__( + self, + backend, + private_key: RSAPrivateKey, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + ): + self._backend = backend + self._private_key = private_key + + # We now call _rsa_sig_determine_padding in _rsa_sig_setup. However + # we need to make a pointless call to it here so we maintain the + # API of erroring on init with this context if the values are invalid. + _rsa_sig_determine_padding(backend, private_key, padding, algorithm) + self._padding = padding + self._algorithm = algorithm + self._hash_ctx = hashes.Hash(self._algorithm, self._backend) + + def update(self, data: bytes) -> None: + self._hash_ctx.update(data) + + def finalize(self) -> bytes: + return _rsa_sig_sign( + self._backend, + self._padding, + self._algorithm, + self._private_key, + self._hash_ctx.finalize(), + ) + + +class _RSAVerificationContext(AsymmetricVerificationContext): + def __init__( + self, + backend, + public_key: RSAPublicKey, + signature: bytes, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + ): + self._backend = backend + self._public_key = public_key + self._signature = signature + self._padding = padding + # We now call _rsa_sig_determine_padding in _rsa_sig_setup. However + # we need to make a pointless call to it here so we maintain the + # API of erroring on init with this context if the values are invalid. + _rsa_sig_determine_padding(backend, public_key, padding, algorithm) + + padding = padding + self._algorithm = algorithm + self._hash_ctx = hashes.Hash(self._algorithm, self._backend) + + def update(self, data: bytes) -> None: + self._hash_ctx.update(data) + + def verify(self) -> None: + return _rsa_sig_verify( + self._backend, + self._padding, + self._algorithm, + self._public_key, + self._signature, + self._hash_ctx.finalize(), + ) + + +class _RSAPrivateKey(RSAPrivateKey): + def __init__(self, backend, rsa_cdata, evp_pkey): + res = backend._lib.RSA_check_key(rsa_cdata) + if res != 1: + errors = backend._consume_errors_with_text() + raise ValueError("Invalid private key", errors) + + # Blinding is on by default in many versions of OpenSSL, but let's + # just be conservative here. + res = backend._lib.RSA_blinding_on(rsa_cdata, backend._ffi.NULL) + backend.openssl_assert(res == 1) + + self._backend = backend + self._rsa_cdata = rsa_cdata + self._evp_pkey = evp_pkey + + n = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, + n, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(n[0]) + + key_size = utils.read_only_property("_key_size") + + def signer( + self, padding: AsymmetricPadding, algorithm: hashes.HashAlgorithm + ) -> AsymmetricSignatureContext: + _warn_sign_verify_deprecated() + _check_not_prehashed(algorithm) + return _RSASignatureContext(self._backend, self, padding, algorithm) + + def decrypt(self, ciphertext: bytes, padding: AsymmetricPadding) -> bytes: + key_size_bytes = (self.key_size + 7) // 8 + if key_size_bytes != len(ciphertext): + raise ValueError("Ciphertext length must be equal to key size.") + + return _enc_dec_rsa(self._backend, self, ciphertext, padding) + + def public_key(self) -> RSAPublicKey: + ctx = self._backend._lib.RSAPublicKey_dup(self._rsa_cdata) + self._backend.openssl_assert(ctx != self._backend._ffi.NULL) + ctx = self._backend._ffi.gc(ctx, self._backend._lib.RSA_free) + evp_pkey = self._backend._rsa_cdata_to_evp_pkey(ctx) + return _RSAPublicKey(self._backend, ctx, evp_pkey) + + def private_numbers(self) -> RSAPrivateNumbers: + n = self._backend._ffi.new("BIGNUM **") + e = self._backend._ffi.new("BIGNUM **") + d = self._backend._ffi.new("BIGNUM **") + p = self._backend._ffi.new("BIGNUM **") + q = self._backend._ffi.new("BIGNUM **") + dmp1 = self._backend._ffi.new("BIGNUM **") + dmq1 = self._backend._ffi.new("BIGNUM **") + iqmp = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key(self._rsa_cdata, n, e, d) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(e[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(d[0] != self._backend._ffi.NULL) + self._backend._lib.RSA_get0_factors(self._rsa_cdata, p, q) + self._backend.openssl_assert(p[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(q[0] != self._backend._ffi.NULL) + self._backend._lib.RSA_get0_crt_params( + self._rsa_cdata, dmp1, dmq1, iqmp + ) + self._backend.openssl_assert(dmp1[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(dmq1[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(iqmp[0] != self._backend._ffi.NULL) + return RSAPrivateNumbers( + p=self._backend._bn_to_int(p[0]), + q=self._backend._bn_to_int(q[0]), + d=self._backend._bn_to_int(d[0]), + dmp1=self._backend._bn_to_int(dmp1[0]), + dmq1=self._backend._bn_to_int(dmq1[0]), + iqmp=self._backend._bn_to_int(iqmp[0]), + public_numbers=RSAPublicNumbers( + e=self._backend._bn_to_int(e[0]), + n=self._backend._bn_to_int(n[0]), + ), + ) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + return self._backend._private_key_bytes( + encoding, + format, + encryption_algorithm, + self, + self._evp_pkey, + self._rsa_cdata, + ) + + def sign( + self, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + data, algorithm = _calculate_digest_and_algorithm( + self._backend, data, algorithm + ) + return _rsa_sig_sign(self._backend, padding, algorithm, self, data) + + +class _RSAPublicKey(RSAPublicKey): + def __init__(self, backend, rsa_cdata, evp_pkey): + self._backend = backend + self._rsa_cdata = rsa_cdata + self._evp_pkey = evp_pkey + + n = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, + n, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._key_size = self._backend._lib.BN_num_bits(n[0]) + + key_size = utils.read_only_property("_key_size") + + def verifier( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + ) -> AsymmetricVerificationContext: + _warn_sign_verify_deprecated() + utils._check_bytes("signature", signature) + + _check_not_prehashed(algorithm) + return _RSAVerificationContext( + self._backend, self, signature, padding, algorithm + ) + + def encrypt(self, plaintext: bytes, padding: AsymmetricPadding) -> bytes: + return _enc_dec_rsa(self._backend, self, plaintext, padding) + + def public_numbers(self) -> RSAPublicNumbers: + n = self._backend._ffi.new("BIGNUM **") + e = self._backend._ffi.new("BIGNUM **") + self._backend._lib.RSA_get0_key( + self._rsa_cdata, n, e, self._backend._ffi.NULL + ) + self._backend.openssl_assert(n[0] != self._backend._ffi.NULL) + self._backend.openssl_assert(e[0] != self._backend._ffi.NULL) + return RSAPublicNumbers( + e=self._backend._bn_to_int(e[0]), + n=self._backend._bn_to_int(n[0]), + ) + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, self._rsa_cdata + ) + + def verify( + self, + signature: bytes, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> None: + data, algorithm = _calculate_digest_and_algorithm( + self._backend, data, algorithm + ) + return _rsa_sig_verify( + self._backend, padding, algorithm, self, signature, data + ) + + def recover_data_from_signature( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> bytes: + _check_not_prehashed(algorithm) + return _rsa_sig_recover( + self._backend, padding, algorithm, self, signature + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/utils.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/utils.py new file mode 100644 index 0000000..03e36f5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/utils.py @@ -0,0 +1,65 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import warnings + +from cryptography import utils +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives.asymmetric.utils import Prehashed + + +def _evp_pkey_derive(backend, evp_pkey, peer_public_key): + ctx = backend._lib.EVP_PKEY_CTX_new(evp_pkey, backend._ffi.NULL) + backend.openssl_assert(ctx != backend._ffi.NULL) + ctx = backend._ffi.gc(ctx, backend._lib.EVP_PKEY_CTX_free) + res = backend._lib.EVP_PKEY_derive_init(ctx) + backend.openssl_assert(res == 1) + res = backend._lib.EVP_PKEY_derive_set_peer(ctx, peer_public_key._evp_pkey) + backend.openssl_assert(res == 1) + keylen = backend._ffi.new("size_t *") + res = backend._lib.EVP_PKEY_derive(ctx, backend._ffi.NULL, keylen) + backend.openssl_assert(res == 1) + backend.openssl_assert(keylen[0] > 0) + buf = backend._ffi.new("unsigned char[]", keylen[0]) + res = backend._lib.EVP_PKEY_derive(ctx, buf, keylen) + if res != 1: + raise ValueError("Null shared key derived from public/private pair.") + + return backend._ffi.buffer(buf, keylen[0])[:] + + +def _calculate_digest_and_algorithm(backend, data, algorithm): + if not isinstance(algorithm, Prehashed): + hash_ctx = hashes.Hash(algorithm, backend) + hash_ctx.update(data) + data = hash_ctx.finalize() + else: + algorithm = algorithm._algorithm + + if len(data) != algorithm.digest_size: + raise ValueError( + "The provided data must be the same length as the hash " + "algorithm's digest size." + ) + + return (data, algorithm) + + +def _check_not_prehashed(signature_algorithm): + if isinstance(signature_algorithm, Prehashed): + raise TypeError( + "Prehashed is only supported in the sign and verify methods. " + "It cannot be used with signer, verifier or " + "recover_data_from_signature." + ) + + +def _warn_sign_verify_deprecated(): + warnings.warn( + "signer and verifier have been deprecated. Please use sign " + "and verify instead.", + utils.PersistentlyDeprecated2017, + stacklevel=3, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x25519.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x25519.py new file mode 100644 index 0000000..c2eb87a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x25519.py @@ -0,0 +1,128 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.hazmat.backends.openssl.utils import _evp_pkey_derive +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric.x25519 import ( + X25519PrivateKey, + X25519PublicKey, +) + + +_X25519_KEY_SIZE = 32 + + +class _X25519PublicKey(X25519PublicKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + encoding is not serialization.Encoding.Raw + or format is not serialization.PublicFormat.Raw + ): + raise ValueError( + "When using Raw both encoding and format must be Raw" + ) + + return self._raw_public_bytes() + + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def _raw_public_bytes(self) -> bytes: + ucharpp = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.EVP_PKEY_get1_tls_encodedpoint( + self._evp_pkey, ucharpp + ) + self._backend.openssl_assert(res == 32) + self._backend.openssl_assert(ucharpp[0] != self._backend._ffi.NULL) + data = self._backend._ffi.gc( + ucharpp[0], self._backend._lib.OPENSSL_free + ) + return self._backend._ffi.buffer(data, res)[:] + + +class _X25519PrivateKey(X25519PrivateKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_key(self) -> X25519PublicKey: + bio = self._backend._create_mem_bio_gc() + res = self._backend._lib.i2d_PUBKEY_bio(bio, self._evp_pkey) + self._backend.openssl_assert(res == 1) + evp_pkey = self._backend._lib.d2i_PUBKEY_bio( + bio, self._backend._ffi.NULL + ) + self._backend.openssl_assert(evp_pkey != self._backend._ffi.NULL) + evp_pkey = self._backend._ffi.gc( + evp_pkey, self._backend._lib.EVP_PKEY_free + ) + return _X25519PublicKey(self._backend, evp_pkey) + + def exchange(self, peer_public_key: X25519PublicKey) -> bytes: + if not isinstance(peer_public_key, X25519PublicKey): + raise TypeError("peer_public_key must be X25519PublicKey.") + + return _evp_pkey_derive(self._backend, self._evp_pkey, peer_public_key) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + format is not serialization.PrivateFormat.Raw + or encoding is not serialization.Encoding.Raw + or not isinstance( + encryption_algorithm, serialization.NoEncryption + ) + ): + raise ValueError( + "When using Raw both encoding and format must be Raw " + "and encryption_algorithm must be NoEncryption()" + ) + + return self._raw_private_bytes() + + return self._backend._private_key_bytes( + encoding, format, encryption_algorithm, self, self._evp_pkey, None + ) + + def _raw_private_bytes(self) -> bytes: + # When we drop support for CRYPTOGRAPHY_OPENSSL_LESS_THAN_111 we can + # switch this to EVP_PKEY_new_raw_private_key + # The trick we use here is serializing to a PKCS8 key and just + # using the last 32 bytes, which is the key itself. + bio = self._backend._create_mem_bio_gc() + res = self._backend._lib.i2d_PKCS8PrivateKey_bio( + bio, + self._evp_pkey, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + 0, + self._backend._ffi.NULL, + self._backend._ffi.NULL, + ) + self._backend.openssl_assert(res == 1) + pkcs8 = self._backend._read_mem_bio(bio) + self._backend.openssl_assert(len(pkcs8) == 48) + return pkcs8[-_X25519_KEY_SIZE:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x448.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x448.py new file mode 100644 index 0000000..8d3ceb1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x448.py @@ -0,0 +1,112 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.hazmat.backends.openssl.utils import _evp_pkey_derive +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric.x448 import ( + X448PrivateKey, + X448PublicKey, +) + +_X448_KEY_SIZE = 56 + + +class _X448PublicKey(X448PublicKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PublicFormat, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + encoding is not serialization.Encoding.Raw + or format is not serialization.PublicFormat.Raw + ): + raise ValueError( + "When using Raw both encoding and format must be Raw" + ) + + return self._raw_public_bytes() + + return self._backend._public_key_bytes( + encoding, format, self, self._evp_pkey, None + ) + + def _raw_public_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _X448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _X448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _X448_KEY_SIZE) + return self._backend._ffi.buffer(buf, _X448_KEY_SIZE)[:] + + +class _X448PrivateKey(X448PrivateKey): + def __init__(self, backend, evp_pkey): + self._backend = backend + self._evp_pkey = evp_pkey + + def public_key(self) -> X448PublicKey: + buf = self._backend._ffi.new("unsigned char []", _X448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _X448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_public_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _X448_KEY_SIZE) + return self._backend.x448_load_public_bytes(buf) + + def exchange(self, peer_public_key: X448PublicKey) -> bytes: + if not isinstance(peer_public_key, X448PublicKey): + raise TypeError("peer_public_key must be X448PublicKey.") + + return _evp_pkey_derive(self._backend, self._evp_pkey, peer_public_key) + + def private_bytes( + self, + encoding: serialization.Encoding, + format: serialization.PrivateFormat, + encryption_algorithm: serialization.KeySerializationEncryption, + ) -> bytes: + if ( + encoding is serialization.Encoding.Raw + or format is serialization.PublicFormat.Raw + ): + if ( + format is not serialization.PrivateFormat.Raw + or encoding is not serialization.Encoding.Raw + or not isinstance( + encryption_algorithm, serialization.NoEncryption + ) + ): + raise ValueError( + "When using Raw both encoding and format must be Raw " + "and encryption_algorithm must be NoEncryption()" + ) + + return self._raw_private_bytes() + + return self._backend._private_key_bytes( + encoding, format, encryption_algorithm, self, self._evp_pkey, None + ) + + def _raw_private_bytes(self) -> bytes: + buf = self._backend._ffi.new("unsigned char []", _X448_KEY_SIZE) + buflen = self._backend._ffi.new("size_t *", _X448_KEY_SIZE) + res = self._backend._lib.EVP_PKEY_get_raw_private_key( + self._evp_pkey, buf, buflen + ) + self._backend.openssl_assert(res == 1) + self._backend.openssl_assert(buflen[0] == _X448_KEY_SIZE) + return self._backend._ffi.buffer(buf, _X448_KEY_SIZE)[:] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x509.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x509.py new file mode 100644 index 0000000..07a1dd8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/backends/openssl/x509.py @@ -0,0 +1,601 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import datetime +import operator +import typing + +from cryptography import utils, x509 +from cryptography.exceptions import UnsupportedAlgorithm +from cryptography.hazmat.backends.openssl import dsa, ec, rsa +from cryptography.hazmat.backends.openssl.decode_asn1 import ( + _asn1_integer_to_int, + _asn1_string_to_bytes, + _decode_x509_name, + _obj2txt, + _parse_asn1_time, +) +from cryptography.hazmat.backends.openssl.encode_asn1 import ( + _encode_asn1_int_gc, + _txt2obj_gc, +) +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.x509.base import _PUBLIC_KEY_TYPES +from cryptography.x509.name import _ASN1Type + + +class _Certificate(x509.Certificate): + # Keep-alive reference used by OCSP + _ocsp_resp_ref: typing.Any + + def __init__(self, backend, x509_cert): + self._backend = backend + self._x509 = x509_cert + + version = self._backend._lib.X509_get_version(self._x509) + if version == 0: + self._version = x509.Version.v1 + elif version == 2: + self._version = x509.Version.v3 + else: + raise x509.InvalidVersion( + "{} is not a valid X509 version".format(version), version + ) + + def __repr__(self): + return "".format(self.subject) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _Certificate): + return NotImplemented + + res = self._backend._lib.X509_cmp(self._x509, other._x509) + return res == 0 + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.public_bytes(serialization.Encoding.DER)) + + def __deepcopy__(self, memo): + return self + + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + h = hashes.Hash(algorithm, self._backend) + h.update(self.public_bytes(serialization.Encoding.DER)) + return h.finalize() + + version = utils.read_only_property("_version") + + @property + def serial_number(self) -> int: + asn1_int = self._backend._lib.X509_get_serialNumber(self._x509) + self._backend.openssl_assert(asn1_int != self._backend._ffi.NULL) + return _asn1_integer_to_int(self._backend, asn1_int) + + def public_key(self) -> _PUBLIC_KEY_TYPES: + pkey = self._backend._lib.X509_get_pubkey(self._x509) + if pkey == self._backend._ffi.NULL: + # Remove errors from the stack. + self._backend._consume_errors() + raise ValueError("Certificate public key is of an unknown type") + + pkey = self._backend._ffi.gc(pkey, self._backend._lib.EVP_PKEY_free) + + return self._backend._evp_pkey_to_public_key(pkey) + + @property + def not_valid_before(self) -> datetime.datetime: + asn1_time = self._backend._lib.X509_get0_notBefore(self._x509) + return _parse_asn1_time(self._backend, asn1_time) + + @property + def not_valid_after(self) -> datetime.datetime: + asn1_time = self._backend._lib.X509_get0_notAfter(self._x509) + return _parse_asn1_time(self._backend, asn1_time) + + @property + def issuer(self) -> x509.Name: + issuer = self._backend._lib.X509_get_issuer_name(self._x509) + self._backend.openssl_assert(issuer != self._backend._ffi.NULL) + return _decode_x509_name(self._backend, issuer) + + @property + def subject(self) -> x509.Name: + subject = self._backend._lib.X509_get_subject_name(self._x509) + self._backend.openssl_assert(subject != self._backend._ffi.NULL) + return _decode_x509_name(self._backend, subject) + + @property + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + oid = self.signature_algorithm_oid + try: + return x509._SIG_OIDS_TO_HASH[oid] + except KeyError: + raise UnsupportedAlgorithm( + "Signature algorithm OID:{} not recognized".format(oid) + ) + + @property + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + alg = self._backend._ffi.new("X509_ALGOR **") + self._backend._lib.X509_get0_signature( + self._backend._ffi.NULL, alg, self._x509 + ) + self._backend.openssl_assert(alg[0] != self._backend._ffi.NULL) + oid = _obj2txt(self._backend, alg[0].algorithm) + return x509.ObjectIdentifier(oid) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + return self._backend._certificate_extension_parser.parse(self._x509) + + @property + def signature(self) -> bytes: + sig = self._backend._ffi.new("ASN1_BIT_STRING **") + self._backend._lib.X509_get0_signature( + sig, self._backend._ffi.NULL, self._x509 + ) + self._backend.openssl_assert(sig[0] != self._backend._ffi.NULL) + return _asn1_string_to_bytes(self._backend, sig[0]) + + @property + def tbs_certificate_bytes(self) -> bytes: + pp = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.i2d_re_X509_tbs(self._x509, pp) + self._backend.openssl_assert(res > 0) + pp = self._backend._ffi.gc( + pp, lambda pointer: self._backend._lib.OPENSSL_free(pointer[0]) + ) + return self._backend._ffi.buffer(pp[0], res)[:] + + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + bio = self._backend._create_mem_bio_gc() + if encoding is serialization.Encoding.PEM: + res = self._backend._lib.PEM_write_bio_X509(bio, self._x509) + elif encoding is serialization.Encoding.DER: + res = self._backend._lib.i2d_X509_bio(bio, self._x509) + else: + raise TypeError("encoding must be an item from the Encoding enum") + + self._backend.openssl_assert(res == 1) + return self._backend._read_mem_bio(bio) + + +class _RevokedCertificate(x509.RevokedCertificate): + def __init__(self, backend, crl, x509_revoked): + self._backend = backend + # The X509_REVOKED_value is a X509_REVOKED * that has + # no reference counting. This means when X509_CRL_free is + # called then the CRL and all X509_REVOKED * are freed. Since + # you can retain a reference to a single revoked certificate + # and let the CRL fall out of scope we need to retain a + # private reference to the CRL inside the RevokedCertificate + # object to prevent the gc from being called inappropriately. + self._crl = crl + self._x509_revoked = x509_revoked + + @property + def serial_number(self) -> int: + asn1_int = self._backend._lib.X509_REVOKED_get0_serialNumber( + self._x509_revoked + ) + self._backend.openssl_assert(asn1_int != self._backend._ffi.NULL) + return _asn1_integer_to_int(self._backend, asn1_int) + + @property + def revocation_date(self) -> datetime.datetime: + return _parse_asn1_time( + self._backend, + self._backend._lib.X509_REVOKED_get0_revocationDate( + self._x509_revoked + ), + ) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + return self._backend._revoked_cert_extension_parser.parse( + self._x509_revoked + ) + + +@utils.register_interface(x509.CertificateRevocationList) +class _CertificateRevocationList(object): + def __init__(self, backend, x509_crl): + self._backend = backend + self._x509_crl = x509_crl + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _CertificateRevocationList): + return NotImplemented + + res = self._backend._lib.X509_CRL_cmp(self._x509_crl, other._x509_crl) + return res == 0 + + def __ne__(self, other: object) -> bool: + return not self == other + + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + h = hashes.Hash(algorithm, self._backend) + bio = self._backend._create_mem_bio_gc() + res = self._backend._lib.i2d_X509_CRL_bio(bio, self._x509_crl) + self._backend.openssl_assert(res == 1) + der = self._backend._read_mem_bio(bio) + h.update(der) + return h.finalize() + + @utils.cached_property + def _sorted_crl(self): + # X509_CRL_get0_by_serial sorts in place, which breaks a variety of + # things we don't want to break (like iteration and the signature). + # Let's dupe it and sort that instead. + dup = self._backend._lib.X509_CRL_dup(self._x509_crl) + self._backend.openssl_assert(dup != self._backend._ffi.NULL) + dup = self._backend._ffi.gc(dup, self._backend._lib.X509_CRL_free) + return dup + + def get_revoked_certificate_by_serial_number( + self, serial_number: int + ) -> typing.Optional[x509.RevokedCertificate]: + revoked = self._backend._ffi.new("X509_REVOKED **") + asn1_int = _encode_asn1_int_gc(self._backend, serial_number) + res = self._backend._lib.X509_CRL_get0_by_serial( + self._sorted_crl, revoked, asn1_int + ) + if res == 0: + return None + else: + self._backend.openssl_assert(revoked[0] != self._backend._ffi.NULL) + return _RevokedCertificate( + self._backend, self._sorted_crl, revoked[0] + ) + + @property + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + oid = self.signature_algorithm_oid + try: + return x509._SIG_OIDS_TO_HASH[oid] + except KeyError: + raise UnsupportedAlgorithm( + "Signature algorithm OID:{} not recognized".format(oid) + ) + + @property + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + alg = self._backend._ffi.new("X509_ALGOR **") + self._backend._lib.X509_CRL_get0_signature( + self._x509_crl, self._backend._ffi.NULL, alg + ) + self._backend.openssl_assert(alg[0] != self._backend._ffi.NULL) + oid = _obj2txt(self._backend, alg[0].algorithm) + return x509.ObjectIdentifier(oid) + + @property + def issuer(self) -> x509.Name: + issuer = self._backend._lib.X509_CRL_get_issuer(self._x509_crl) + self._backend.openssl_assert(issuer != self._backend._ffi.NULL) + return _decode_x509_name(self._backend, issuer) + + @property + def next_update(self) -> datetime.datetime: + nu = self._backend._lib.X509_CRL_get0_nextUpdate(self._x509_crl) + self._backend.openssl_assert(nu != self._backend._ffi.NULL) + return _parse_asn1_time(self._backend, nu) + + @property + def last_update(self) -> datetime.datetime: + lu = self._backend._lib.X509_CRL_get0_lastUpdate(self._x509_crl) + self._backend.openssl_assert(lu != self._backend._ffi.NULL) + return _parse_asn1_time(self._backend, lu) + + @property + def signature(self) -> bytes: + sig = self._backend._ffi.new("ASN1_BIT_STRING **") + self._backend._lib.X509_CRL_get0_signature( + self._x509_crl, sig, self._backend._ffi.NULL + ) + self._backend.openssl_assert(sig[0] != self._backend._ffi.NULL) + return _asn1_string_to_bytes(self._backend, sig[0]) + + @property + def tbs_certlist_bytes(self) -> bytes: + pp = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.i2d_re_X509_CRL_tbs(self._x509_crl, pp) + self._backend.openssl_assert(res > 0) + pp = self._backend._ffi.gc( + pp, lambda pointer: self._backend._lib.OPENSSL_free(pointer[0]) + ) + return self._backend._ffi.buffer(pp[0], res)[:] + + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + bio = self._backend._create_mem_bio_gc() + if encoding is serialization.Encoding.PEM: + res = self._backend._lib.PEM_write_bio_X509_CRL( + bio, self._x509_crl + ) + elif encoding is serialization.Encoding.DER: + res = self._backend._lib.i2d_X509_CRL_bio(bio, self._x509_crl) + else: + raise TypeError("encoding must be an item from the Encoding enum") + + self._backend.openssl_assert(res == 1) + return self._backend._read_mem_bio(bio) + + def _revoked_cert(self, idx): + revoked = self._backend._lib.X509_CRL_get_REVOKED(self._x509_crl) + r = self._backend._lib.sk_X509_REVOKED_value(revoked, idx) + self._backend.openssl_assert(r != self._backend._ffi.NULL) + return _RevokedCertificate(self._backend, self, r) + + def __iter__(self): + for i in range(len(self)): + yield self._revoked_cert(i) + + def __getitem__(self, idx): + if isinstance(idx, slice): + start, stop, step = idx.indices(len(self)) + return [self._revoked_cert(i) for i in range(start, stop, step)] + else: + idx = operator.index(idx) + if idx < 0: + idx += len(self) + if not 0 <= idx < len(self): + raise IndexError + return self._revoked_cert(idx) + + def __len__(self) -> int: + revoked = self._backend._lib.X509_CRL_get_REVOKED(self._x509_crl) + if revoked == self._backend._ffi.NULL: + return 0 + else: + return self._backend._lib.sk_X509_REVOKED_num(revoked) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + return self._backend._crl_extension_parser.parse(self._x509_crl) + + def is_signature_valid(self, public_key: _PUBLIC_KEY_TYPES) -> bool: + if not isinstance( + public_key, + ( + dsa._DSAPublicKey, + rsa._RSAPublicKey, + ec._EllipticCurvePublicKey, + ), + ): + raise TypeError( + "Expecting one of DSAPublicKey, RSAPublicKey," + " or EllipticCurvePublicKey." + ) + res = self._backend._lib.X509_CRL_verify( + self._x509_crl, public_key._evp_pkey + ) + + if res != 1: + self._backend._consume_errors() + return False + + return True + + +@utils.register_interface(x509.CertificateSigningRequest) +class _CertificateSigningRequest(object): + def __init__(self, backend, x509_req): + self._backend = backend + self._x509_req = x509_req + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _CertificateSigningRequest): + return NotImplemented + + self_bytes = self.public_bytes(serialization.Encoding.DER) + other_bytes = other.public_bytes(serialization.Encoding.DER) + return self_bytes == other_bytes + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.public_bytes(serialization.Encoding.DER)) + + def public_key(self) -> _PUBLIC_KEY_TYPES: + pkey = self._backend._lib.X509_REQ_get_pubkey(self._x509_req) + self._backend.openssl_assert(pkey != self._backend._ffi.NULL) + pkey = self._backend._ffi.gc(pkey, self._backend._lib.EVP_PKEY_free) + return self._backend._evp_pkey_to_public_key(pkey) + + @property + def subject(self) -> x509.Name: + subject = self._backend._lib.X509_REQ_get_subject_name(self._x509_req) + self._backend.openssl_assert(subject != self._backend._ffi.NULL) + return _decode_x509_name(self._backend, subject) + + @property + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + oid = self.signature_algorithm_oid + try: + return x509._SIG_OIDS_TO_HASH[oid] + except KeyError: + raise UnsupportedAlgorithm( + "Signature algorithm OID:{} not recognized".format(oid) + ) + + @property + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + alg = self._backend._ffi.new("X509_ALGOR **") + self._backend._lib.X509_REQ_get0_signature( + self._x509_req, self._backend._ffi.NULL, alg + ) + self._backend.openssl_assert(alg[0] != self._backend._ffi.NULL) + oid = _obj2txt(self._backend, alg[0].algorithm) + return x509.ObjectIdentifier(oid) + + @utils.cached_property + def extensions(self) -> x509.Extensions: + x509_exts = self._backend._lib.X509_REQ_get_extensions(self._x509_req) + x509_exts = self._backend._ffi.gc( + x509_exts, + lambda x: self._backend._lib.sk_X509_EXTENSION_pop_free( + x, + self._backend._ffi.addressof( + self._backend._lib._original_lib, "X509_EXTENSION_free" + ), + ), + ) + return self._backend._csr_extension_parser.parse(x509_exts) + + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + bio = self._backend._create_mem_bio_gc() + if encoding is serialization.Encoding.PEM: + res = self._backend._lib.PEM_write_bio_X509_REQ( + bio, self._x509_req + ) + elif encoding is serialization.Encoding.DER: + res = self._backend._lib.i2d_X509_REQ_bio(bio, self._x509_req) + else: + raise TypeError("encoding must be an item from the Encoding enum") + + self._backend.openssl_assert(res == 1) + return self._backend._read_mem_bio(bio) + + @property + def tbs_certrequest_bytes(self) -> bytes: + pp = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.i2d_re_X509_REQ_tbs(self._x509_req, pp) + self._backend.openssl_assert(res > 0) + pp = self._backend._ffi.gc( + pp, lambda pointer: self._backend._lib.OPENSSL_free(pointer[0]) + ) + return self._backend._ffi.buffer(pp[0], res)[:] + + @property + def signature(self) -> bytes: + sig = self._backend._ffi.new("ASN1_BIT_STRING **") + self._backend._lib.X509_REQ_get0_signature( + self._x509_req, sig, self._backend._ffi.NULL + ) + self._backend.openssl_assert(sig[0] != self._backend._ffi.NULL) + return _asn1_string_to_bytes(self._backend, sig[0]) + + @property + def is_signature_valid(self) -> bool: + pkey = self._backend._lib.X509_REQ_get_pubkey(self._x509_req) + self._backend.openssl_assert(pkey != self._backend._ffi.NULL) + pkey = self._backend._ffi.gc(pkey, self._backend._lib.EVP_PKEY_free) + res = self._backend._lib.X509_REQ_verify(self._x509_req, pkey) + + if res != 1: + self._backend._consume_errors() + return False + + return True + + def get_attribute_for_oid(self, oid: x509.ObjectIdentifier) -> bytes: + obj = _txt2obj_gc(self._backend, oid.dotted_string) + pos = self._backend._lib.X509_REQ_get_attr_by_OBJ( + self._x509_req, obj, -1 + ) + if pos == -1: + raise x509.AttributeNotFound( + "No {} attribute was found".format(oid), oid + ) + + attr = self._backend._lib.X509_REQ_get_attr(self._x509_req, pos) + self._backend.openssl_assert(attr != self._backend._ffi.NULL) + # We don't support multiple valued attributes for now. + self._backend.openssl_assert( + self._backend._lib.X509_ATTRIBUTE_count(attr) == 1 + ) + asn1_type = self._backend._lib.X509_ATTRIBUTE_get0_type(attr, 0) + self._backend.openssl_assert(asn1_type != self._backend._ffi.NULL) + # We need this to ensure that our C type cast is safe. + # Also this should always be a sane string type, but we'll see if + # that is true in the real world... + if asn1_type.type not in ( + _ASN1Type.UTF8String.value, + _ASN1Type.PrintableString.value, + _ASN1Type.IA5String.value, + ): + raise ValueError( + "OID {} has a disallowed ASN.1 type: {}".format( + oid, asn1_type.type + ) + ) + + data = self._backend._lib.X509_ATTRIBUTE_get0_data( + attr, 0, asn1_type.type, self._backend._ffi.NULL + ) + self._backend.openssl_assert(data != self._backend._ffi.NULL) + # This cast is safe iff we assert on the type above to ensure + # that it is always a type of ASN1_STRING + data = self._backend._ffi.cast("ASN1_STRING *", data) + return _asn1_string_to_bytes(self._backend, data) + + +@utils.register_interface( + x509.certificate_transparency.SignedCertificateTimestamp +) +class _SignedCertificateTimestamp(object): + def __init__(self, backend, sct_list, sct): + self._backend = backend + # Keep the SCT_LIST that this SCT came from alive. + self._sct_list = sct_list + self._sct = sct + + @property + def version(self) -> x509.certificate_transparency.Version: + version = self._backend._lib.SCT_get_version(self._sct) + assert version == self._backend._lib.SCT_VERSION_V1 + return x509.certificate_transparency.Version.v1 + + @property + def log_id(self) -> bytes: + out = self._backend._ffi.new("unsigned char **") + log_id_length = self._backend._lib.SCT_get0_log_id(self._sct, out) + assert log_id_length >= 0 + return self._backend._ffi.buffer(out[0], log_id_length)[:] + + @property + def timestamp(self) -> datetime.datetime: + timestamp = self._backend._lib.SCT_get_timestamp(self._sct) + milliseconds = timestamp % 1000 + return datetime.datetime.utcfromtimestamp(timestamp // 1000).replace( + microsecond=milliseconds * 1000 + ) + + @property + def entry_type(self) -> x509.certificate_transparency.LogEntryType: + entry_type = self._backend._lib.SCT_get_log_entry_type(self._sct) + # We currently only support loading SCTs from the X.509 extension, so + # we only have precerts. + assert entry_type == self._backend._lib.CT_LOG_ENTRY_TYPE_PRECERT + return x509.certificate_transparency.LogEntryType.PRE_CERTIFICATE + + @property + def _signature(self): + ptrptr = self._backend._ffi.new("unsigned char **") + res = self._backend._lib.SCT_get0_signature(self._sct, ptrptr) + self._backend.openssl_assert(res > 0) + self._backend.openssl_assert(ptrptr[0] != self._backend._ffi.NULL) + return self._backend._ffi.buffer(ptrptr[0], res)[:] + + def __hash__(self) -> int: + return hash(self._signature) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, _SignedCertificateTimestamp): + return NotImplemented + + return self._signature == other._signature + + def __ne__(self, other: object) -> bool: + return not self == other diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_openssl.abi3.so b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_openssl.abi3.so new file mode 100755 index 0000000..7438ed1 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_openssl.abi3.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_padding.abi3.so b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_padding.abi3.so new file mode 100755 index 0000000..2bd8fd0 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_padding.abi3.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_rust.abi3.so b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_rust.abi3.so new file mode 100755 index 0000000..4cedbd6 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/_rust.abi3.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py new file mode 100644 index 0000000..8654835 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/_conditional.py @@ -0,0 +1,321 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +def cryptography_has_ec2m(): + return [ + "EC_POINT_set_affine_coordinates_GF2m", + "EC_POINT_get_affine_coordinates_GF2m", + "EC_POINT_set_compressed_coordinates_GF2m", + ] + + +def cryptography_has_rsa_oaep_md(): + return [ + "EVP_PKEY_CTX_set_rsa_oaep_md", + ] + + +def cryptography_has_rsa_oaep_label(): + return [ + "EVP_PKEY_CTX_set0_rsa_oaep_label", + ] + + +def cryptography_has_ssl3_method(): + return [ + "SSLv3_method", + "SSLv3_client_method", + "SSLv3_server_method", + ] + + +def cryptography_has_102_verification(): + return [ + "X509_V_ERR_SUITE_B_INVALID_VERSION", + "X509_V_ERR_SUITE_B_INVALID_ALGORITHM", + "X509_V_ERR_SUITE_B_INVALID_CURVE", + "X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM", + "X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED", + "X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256", + "X509_V_FLAG_SUITEB_128_LOS_ONLY", + "X509_V_FLAG_SUITEB_192_LOS", + "X509_V_FLAG_SUITEB_128_LOS", + ] + + +def cryptography_has_110_verification_params(): + return ["X509_CHECK_FLAG_NEVER_CHECK_SUBJECT"] + + +def cryptography_has_set_cert_cb(): + return [ + "SSL_CTX_set_cert_cb", + "SSL_set_cert_cb", + ] + + +def cryptography_has_ssl_st(): + return [ + "SSL_ST_BEFORE", + "SSL_ST_OK", + "SSL_ST_INIT", + "SSL_ST_RENEGOTIATE", + ] + + +def cryptography_has_tls_st(): + return [ + "TLS_ST_BEFORE", + "TLS_ST_OK", + ] + + +def cryptography_has_scrypt(): + return [ + "EVP_PBE_scrypt", + ] + + +def cryptography_has_evp_pkey_dhx(): + return [ + "EVP_PKEY_DHX", + ] + + +def cryptography_has_mem_functions(): + return [ + "Cryptography_CRYPTO_set_mem_functions", + ] + + +def cryptography_has_sct(): + return [ + "SCT_get_version", + "SCT_get_log_entry_type", + "SCT_get0_log_id", + "SCT_get0_signature", + "SCT_get_timestamp", + "SCT_set_source", + "sk_SCT_new_null", + "sk_SCT_free", + "sk_SCT_num", + "sk_SCT_value", + "sk_SCT_push", + "SCT_LIST_free", + "SCT_new", + "SCT_set1_log_id", + "SCT_set_timestamp", + "SCT_set_version", + "SCT_set_log_entry_type", + ] + + +def cryptography_has_x509_store_ctx_get_issuer(): + return [ + "X509_STORE_get_get_issuer", + "X509_STORE_set_get_issuer", + ] + + +def cryptography_has_ed448(): + return [ + "EVP_PKEY_ED448", + "NID_ED448", + ] + + +def cryptography_has_ed25519(): + return [ + "NID_ED25519", + "EVP_PKEY_ED25519", + ] + + +def cryptography_has_poly1305(): + return [ + "NID_poly1305", + "EVP_PKEY_POLY1305", + ] + + +def cryptography_has_oneshot_evp_digest_sign_verify(): + return [ + "EVP_DigestSign", + "EVP_DigestVerify", + ] + + +def cryptography_has_evp_digestfinal_xof(): + return [ + "EVP_DigestFinalXOF", + ] + + +def cryptography_has_evp_pkey_get_set_tls_encodedpoint(): + return [ + "EVP_PKEY_get1_tls_encodedpoint", + "EVP_PKEY_set1_tls_encodedpoint", + ] + + +def cryptography_has_fips(): + return [ + "FIPS_mode_set", + "FIPS_mode", + ] + + +def cryptography_has_ssl_sigalgs(): + return [ + "SSL_CTX_set1_sigalgs_list", + "SSL_get_sigalgs", + ] + + +def cryptography_has_psk(): + return [ + "SSL_CTX_use_psk_identity_hint", + "SSL_CTX_set_psk_server_callback", + "SSL_CTX_set_psk_client_callback", + ] + + +def cryptography_has_custom_ext(): + return [ + "SSL_CTX_add_client_custom_ext", + "SSL_CTX_add_server_custom_ext", + "SSL_extension_supported", + ] + + +def cryptography_has_openssl_cleanup(): + return [ + "OPENSSL_cleanup", + ] + + +def cryptography_has_tlsv13(): + return [ + "TLS1_3_VERSION", + "SSL_OP_NO_TLSv1_3", + "SSL_VERIFY_POST_HANDSHAKE", + "SSL_CTX_set_ciphersuites", + "SSL_verify_client_post_handshake", + "SSL_CTX_set_post_handshake_auth", + "SSL_set_post_handshake_auth", + "SSL_SESSION_get_max_early_data", + "SSL_write_early_data", + "SSL_read_early_data", + "SSL_CTX_set_max_early_data", + ] + + +def cryptography_has_keylog(): + return [ + "SSL_CTX_set_keylog_callback", + "SSL_CTX_get_keylog_callback", + ] + + +def cryptography_has_raw_key(): + return [ + "EVP_PKEY_new_raw_private_key", + "EVP_PKEY_new_raw_public_key", + "EVP_PKEY_get_raw_private_key", + "EVP_PKEY_get_raw_public_key", + ] + + +def cryptography_has_engine(): + return [ + "ENGINE_by_id", + "ENGINE_init", + "ENGINE_finish", + "ENGINE_get_default_RAND", + "ENGINE_set_default_RAND", + "ENGINE_unregister_RAND", + "ENGINE_ctrl_cmd", + "ENGINE_free", + "ENGINE_get_name", + "Cryptography_add_osrandom_engine", + "ENGINE_ctrl_cmd_string", + "ENGINE_load_builtin_engines", + "ENGINE_load_private_key", + "ENGINE_load_public_key", + ] + + +def cryptography_has_verified_chain(): + return [ + "SSL_get0_verified_chain", + ] + + +def cryptography_has_srtp(): + return [ + "SSL_CTX_set_tlsext_use_srtp", + "SSL_set_tlsext_use_srtp", + "SSL_get_selected_srtp_profile", + ] + + +def cryptography_has_get_proto_version(): + return [ + "SSL_CTX_get_min_proto_version", + "SSL_CTX_get_max_proto_version", + "SSL_get_min_proto_version", + "SSL_get_max_proto_version", + ] + + +# This is a mapping of +# {condition: function-returning-names-dependent-on-that-condition} so we can +# loop over them and delete unsupported names at runtime. It will be removed +# when cffi supports #if in cdef. We use functions instead of just a dict of +# lists so we can use coverage to measure which are used. +CONDITIONAL_NAMES = { + "Cryptography_HAS_EC2M": cryptography_has_ec2m, + "Cryptography_HAS_RSA_OAEP_MD": cryptography_has_rsa_oaep_md, + "Cryptography_HAS_RSA_OAEP_LABEL": cryptography_has_rsa_oaep_label, + "Cryptography_HAS_SSL3_METHOD": cryptography_has_ssl3_method, + "Cryptography_HAS_102_VERIFICATION": cryptography_has_102_verification, + "Cryptography_HAS_110_VERIFICATION_PARAMS": ( + cryptography_has_110_verification_params + ), + "Cryptography_HAS_SET_CERT_CB": cryptography_has_set_cert_cb, + "Cryptography_HAS_SSL_ST": cryptography_has_ssl_st, + "Cryptography_HAS_TLS_ST": cryptography_has_tls_st, + "Cryptography_HAS_SCRYPT": cryptography_has_scrypt, + "Cryptography_HAS_EVP_PKEY_DHX": cryptography_has_evp_pkey_dhx, + "Cryptography_HAS_MEM_FUNCTIONS": cryptography_has_mem_functions, + "Cryptography_HAS_SCT": cryptography_has_sct, + "Cryptography_HAS_X509_STORE_CTX_GET_ISSUER": ( + cryptography_has_x509_store_ctx_get_issuer + ), + "Cryptography_HAS_ED448": cryptography_has_ed448, + "Cryptography_HAS_ED25519": cryptography_has_ed25519, + "Cryptography_HAS_POLY1305": cryptography_has_poly1305, + "Cryptography_HAS_ONESHOT_EVP_DIGEST_SIGN_VERIFY": ( + cryptography_has_oneshot_evp_digest_sign_verify + ), + "Cryptography_HAS_EVP_PKEY_get_set_tls_encodedpoint": ( + cryptography_has_evp_pkey_get_set_tls_encodedpoint + ), + "Cryptography_HAS_FIPS": cryptography_has_fips, + "Cryptography_HAS_SIGALGS": cryptography_has_ssl_sigalgs, + "Cryptography_HAS_PSK": cryptography_has_psk, + "Cryptography_HAS_CUSTOM_EXT": cryptography_has_custom_ext, + "Cryptography_HAS_OPENSSL_CLEANUP": cryptography_has_openssl_cleanup, + "Cryptography_HAS_TLSv1_3": cryptography_has_tlsv13, + "Cryptography_HAS_KEYLOG": cryptography_has_keylog, + "Cryptography_HAS_RAW_KEY": cryptography_has_raw_key, + "Cryptography_HAS_EVP_DIGESTFINAL_XOF": ( + cryptography_has_evp_digestfinal_xof + ), + "Cryptography_HAS_ENGINE": cryptography_has_engine, + "Cryptography_HAS_VERIFIED_CHAIN": cryptography_has_verified_chain, + "Cryptography_HAS_SRTP": cryptography_has_srtp, + "Cryptography_HAS_GET_PROTO_VERSION": cryptography_has_get_proto_version, +} diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/binding.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/binding.py new file mode 100644 index 0000000..a2bc36a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/bindings/openssl/binding.py @@ -0,0 +1,172 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import collections +import threading +import types +import typing + +import cryptography +from cryptography import utils +from cryptography.exceptions import InternalError +from cryptography.hazmat.bindings._openssl import ffi, lib +from cryptography.hazmat.bindings.openssl._conditional import CONDITIONAL_NAMES + +_OpenSSLErrorWithText = collections.namedtuple( + "_OpenSSLErrorWithText", ["code", "lib", "func", "reason", "reason_text"] +) + + +class _OpenSSLError(object): + def __init__(self, code, lib, func, reason): + self._code = code + self._lib = lib + self._func = func + self._reason = reason + + def _lib_reason_match(self, lib, reason): + return lib == self.lib and reason == self.reason + + code = utils.read_only_property("_code") + lib = utils.read_only_property("_lib") + func = utils.read_only_property("_func") + reason = utils.read_only_property("_reason") + + +def _consume_errors(lib): + errors = [] + while True: + code = lib.ERR_get_error() + if code == 0: + break + + err_lib = lib.ERR_GET_LIB(code) + err_func = lib.ERR_GET_FUNC(code) + err_reason = lib.ERR_GET_REASON(code) + + errors.append(_OpenSSLError(code, err_lib, err_func, err_reason)) + + return errors + + +def _errors_with_text(errors): + errors_with_text = [] + for err in errors: + buf = ffi.new("char[]", 256) + lib.ERR_error_string_n(err.code, buf, len(buf)) + err_text_reason = ffi.string(buf) + + errors_with_text.append( + _OpenSSLErrorWithText( + err.code, err.lib, err.func, err.reason, err_text_reason + ) + ) + + return errors_with_text + + +def _consume_errors_with_text(lib): + return _errors_with_text(_consume_errors(lib)) + + +def _openssl_assert(lib, ok, errors=None): + if not ok: + if errors is None: + errors = _consume_errors(lib) + errors_with_text = _errors_with_text(errors) + + raise InternalError( + "Unknown OpenSSL error. This error is commonly encountered when " + "another library is not cleaning up the OpenSSL error stack. If " + "you are using cryptography with another library that uses " + "OpenSSL try disabling it before reporting a bug. Otherwise " + "please file an issue at https://github.com/pyca/cryptography/" + "issues with information on how to reproduce " + "this. ({0!r})".format(errors_with_text), + errors_with_text, + ) + + +def build_conditional_library(lib, conditional_names): + conditional_lib = types.ModuleType("lib") + conditional_lib._original_lib = lib # type: ignore[attr-defined] + excluded_names = set() + for condition, names_cb in conditional_names.items(): + if not getattr(lib, condition): + excluded_names.update(names_cb()) + + for attr in dir(lib): + if attr not in excluded_names: + setattr(conditional_lib, attr, getattr(lib, attr)) + + return conditional_lib + + +class Binding(object): + """ + OpenSSL API wrapper. + """ + + lib: typing.ClassVar = None + ffi = ffi + _lib_loaded = False + _init_lock = threading.Lock() + + def __init__(self): + self._ensure_ffi_initialized() + + @classmethod + def _register_osrandom_engine(cls): + # Clear any errors extant in the queue before we start. In many + # scenarios other things may be interacting with OpenSSL in the same + # process space and it has proven untenable to assume that they will + # reliably clear the error queue. Once we clear it here we will + # error on any subsequent unexpected item in the stack. + cls.lib.ERR_clear_error() + if cls.lib.CRYPTOGRAPHY_NEEDS_OSRANDOM_ENGINE: + result = cls.lib.Cryptography_add_osrandom_engine() + _openssl_assert(cls.lib, result in (1, 2)) + + @classmethod + def _ensure_ffi_initialized(cls): + with cls._init_lock: + if not cls._lib_loaded: + cls.lib = build_conditional_library(lib, CONDITIONAL_NAMES) + cls._lib_loaded = True + # initialize the SSL library + cls.lib.SSL_library_init() + # adds all ciphers/digests for EVP + cls.lib.OpenSSL_add_all_algorithms() + cls._register_osrandom_engine() + + @classmethod + def init_static_locks(cls): + cls._ensure_ffi_initialized() + + +def _verify_package_version(version): + # Occasionally we run into situations where the version of the Python + # package does not match the version of the shared object that is loaded. + # This may occur in environments where multiple versions of cryptography + # are installed and available in the python path. To avoid errors cropping + # up later this code checks that the currently imported package and the + # shared object that were loaded have the same version and raise an + # ImportError if they do not + so_package_version = ffi.string(lib.CRYPTOGRAPHY_PACKAGE_VERSION) + if version.encode("ascii") != so_package_version: + raise ImportError( + "The version of cryptography does not match the loaded " + "shared object. This can happen if you have multiple copies of " + "cryptography installed in your Python path. Please try creating " + "a new virtual environment to resolve this issue. " + "Loaded python version: {}, shared object version: {}".format( + version, so_package_version + ) + ) + + +_verify_package_version(cryptography.__version__) + +Binding.init_static_locks() diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/__init__.py new file mode 100644 index 0000000..b509336 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/__init__.py @@ -0,0 +1,3 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_asymmetric.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_asymmetric.py new file mode 100644 index 0000000..cdadbde --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_asymmetric.py @@ -0,0 +1,17 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import abc + + +# This exists to break an import cycle. It is normally accessible from the +# asymmetric padding module. + + +class AsymmetricPadding(metaclass=abc.ABCMeta): + @abc.abstractproperty + def name(self) -> str: + """ + A string naming this padding (e.g. "PSS", "PKCS1"). + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py new file mode 100644 index 0000000..04ca5a9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_cipheralgorithm.py @@ -0,0 +1,38 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import abc +import typing + + +# This exists to break an import cycle. It is normally accessible from the +# ciphers module. + + +class CipherAlgorithm(metaclass=abc.ABCMeta): + @abc.abstractproperty + def name(self) -> str: + """ + A string naming this mode (e.g. "AES", "Camellia"). + """ + + @abc.abstractproperty + def key_sizes(self) -> typing.FrozenSet[int]: + """ + Valid key sizes for this algorithm in bits + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + The size of the key being used as an integer in bits (e.g. 128, 256). + """ + + +class BlockCipherAlgorithm(metaclass=abc.ABCMeta): + @abc.abstractproperty + def block_size(self) -> int: + """ + The size of a block as an integer in bits (e.g. 64, 128). + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_serialization.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_serialization.py new file mode 100644 index 0000000..96a5ed9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/_serialization.py @@ -0,0 +1,54 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import abc +from enum import Enum + +# This exists to break an import cycle. These classes are normally accessible +# from the serialization module. + + +class Encoding(Enum): + PEM = "PEM" + DER = "DER" + OpenSSH = "OpenSSH" + Raw = "Raw" + X962 = "ANSI X9.62" + SMIME = "S/MIME" + + +class PrivateFormat(Enum): + PKCS8 = "PKCS8" + TraditionalOpenSSL = "TraditionalOpenSSL" + Raw = "Raw" + OpenSSH = "OpenSSH" + + +class PublicFormat(Enum): + SubjectPublicKeyInfo = "X.509 subjectPublicKeyInfo with PKCS#1" + PKCS1 = "Raw PKCS#1" + OpenSSH = "OpenSSH" + Raw = "Raw" + CompressedPoint = "X9.62 Compressed Point" + UncompressedPoint = "X9.62 Uncompressed Point" + + +class ParameterFormat(Enum): + PKCS3 = "PKCS3" + + +class KeySerializationEncryption(metaclass=abc.ABCMeta): + pass + + +class BestAvailableEncryption(KeySerializationEncryption): + def __init__(self, password: bytes): + if not isinstance(password, bytes) or len(password) == 0: + raise ValueError("Password must be 1 or more bytes.") + + self.password = password + + +class NoEncryption(KeySerializationEncryption): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py new file mode 100644 index 0000000..efa23a6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/__init__.py @@ -0,0 +1,35 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + + +class AsymmetricSignatureContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data): + """ + Processes the provided bytes and returns nothing. + """ + + @abc.abstractmethod + def finalize(self): + """ + Returns the signature as bytes. + """ + + +class AsymmetricVerificationContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data): + """ + Processes the provided bytes and returns nothing. + """ + + @abc.abstractmethod + def verify(self): + """ + Raises an exception if the bytes provided to update do not match the + signature or the signature does not match the public key. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dh.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dh.py new file mode 100644 index 0000000..9c53e50 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dh.py @@ -0,0 +1,231 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing + +from cryptography import utils +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import serialization + + +_MIN_MODULUS_SIZE = 512 + + +def generate_parameters(generator, key_size, backend=None) -> "DHParameters": + backend = _get_backend(backend) + return backend.generate_dh_parameters(generator, key_size) + + +class DHParameterNumbers(object): + def __init__(self, p: int, g: int, q: typing.Optional[int] = None): + if not isinstance(p, int) or not isinstance(g, int): + raise TypeError("p and g must be integers") + if q is not None and not isinstance(q, int): + raise TypeError("q must be integer or None") + + if g < 2: + raise ValueError("DH generator must be 2 or greater") + + if p.bit_length() < _MIN_MODULUS_SIZE: + raise ValueError( + "p (modulus) must be at least {}-bit".format(_MIN_MODULUS_SIZE) + ) + + self._p = p + self._g = g + self._q = q + + def __eq__(self, other): + if not isinstance(other, DHParameterNumbers): + return NotImplemented + + return ( + self._p == other._p and self._g == other._g and self._q == other._q + ) + + def __ne__(self, other): + return not self == other + + def parameters(self, backend=None): + backend = _get_backend(backend) + return backend.load_dh_parameter_numbers(self) + + p = utils.read_only_property("_p") + g = utils.read_only_property("_g") + q = utils.read_only_property("_q") + + +class DHPublicNumbers(object): + def __init__(self, y, parameter_numbers: DHParameterNumbers): + if not isinstance(y, int): + raise TypeError("y must be an integer.") + + if not isinstance(parameter_numbers, DHParameterNumbers): + raise TypeError( + "parameters must be an instance of DHParameterNumbers." + ) + + self._y = y + self._parameter_numbers = parameter_numbers + + def __eq__(self, other): + if not isinstance(other, DHPublicNumbers): + return NotImplemented + + return ( + self._y == other._y + and self._parameter_numbers == other._parameter_numbers + ) + + def __ne__(self, other): + return not self == other + + def public_key(self, backend=None) -> "DHPublicKey": + backend = _get_backend(backend) + return backend.load_dh_public_numbers(self) + + y = utils.read_only_property("_y") + parameter_numbers = utils.read_only_property("_parameter_numbers") + + +class DHPrivateNumbers(object): + def __init__(self, x, public_numbers: DHPublicNumbers): + if not isinstance(x, int): + raise TypeError("x must be an integer.") + + if not isinstance(public_numbers, DHPublicNumbers): + raise TypeError( + "public_numbers must be an instance of " "DHPublicNumbers." + ) + + self._x = x + self._public_numbers = public_numbers + + def __eq__(self, other): + if not isinstance(other, DHPrivateNumbers): + return NotImplemented + + return ( + self._x == other._x + and self._public_numbers == other._public_numbers + ) + + def __ne__(self, other): + return not self == other + + def private_key(self, backend=None) -> "DHPrivateKey": + backend = _get_backend(backend) + return backend.load_dh_private_numbers(self) + + public_numbers = utils.read_only_property("_public_numbers") + x = utils.read_only_property("_x") + + +class DHParameters(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_private_key(self) -> "DHPrivateKey": + """ + Generates and returns a DHPrivateKey. + """ + + @abc.abstractmethod + def parameter_bytes( + self, + encoding: "serialization.Encoding", + format: "serialization.ParameterFormat", + ) -> bytes: + """ + Returns the parameters serialized as bytes. + """ + + @abc.abstractmethod + def parameter_numbers(self) -> DHParameterNumbers: + """ + Returns a DHParameterNumbers. + """ + + +DHParametersWithSerialization = DHParameters + + +class DHPublicKey(metaclass=abc.ABCMeta): + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def parameters(self) -> DHParameters: + """ + The DHParameters object associated with this public key. + """ + + @abc.abstractmethod + def public_numbers(self) -> DHPublicNumbers: + """ + Returns a DHPublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: "serialization.Encoding", + format: "serialization.PublicFormat", + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +DHPublicKeyWithSerialization = DHPublicKey + + +class DHPrivateKey(metaclass=abc.ABCMeta): + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def public_key(self) -> DHPublicKey: + """ + The DHPublicKey associated with this private key. + """ + + @abc.abstractmethod + def parameters(self) -> DHParameters: + """ + The DHParameters object associated with this private key. + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: DHPublicKey) -> bytes: + """ + Given peer's DHPublicKey, carry out the key exchange and + return shared key as bytes. + """ + + @abc.abstractmethod + def private_numbers(self) -> DHPrivateNumbers: + """ + Returns a DHPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: "serialization.Encoding", + format: "serialization.PrivateFormat", + encryption_algorithm: "serialization.KeySerializationEncryption", + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +DHPrivateKeyWithSerialization = DHPrivateKey diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py new file mode 100644 index 0000000..c6f991b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/dsa.py @@ -0,0 +1,287 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing + +from cryptography import utils +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + utils as asym_utils, +) + + +class DSAParameters(metaclass=abc.ABCMeta): + @abc.abstractmethod + def generate_private_key(self) -> "DSAPrivateKey": + """ + Generates and returns a DSAPrivateKey. + """ + + @abc.abstractmethod + def parameter_numbers(self) -> "DSAParameterNumbers": + """ + Returns a DSAParameterNumbers. + """ + + +DSAParametersWithNumbers = DSAParameters + + +class DSAPrivateKey(metaclass=abc.ABCMeta): + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def public_key(self) -> "DSAPublicKey": + """ + The DSAPublicKey associated with this private key. + """ + + @abc.abstractmethod + def parameters(self) -> DSAParameters: + """ + The DSAParameters object associated with this private key. + """ + + @abc.abstractmethod + def signer( + self, + signature_algorithm: hashes.HashAlgorithm, + ) -> AsymmetricSignatureContext: + """ + Returns an AsymmetricSignatureContext used for signing data. + """ + + @abc.abstractmethod + def sign( + self, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + """ + Signs the data + """ + + @abc.abstractmethod + def private_numbers(self) -> "DSAPrivateNumbers": + """ + Returns a DSAPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +DSAPrivateKeyWithSerialization = DSAPrivateKey + + +class DSAPublicKey(metaclass=abc.ABCMeta): + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the prime modulus. + """ + + @abc.abstractmethod + def parameters(self) -> DSAParameters: + """ + The DSAParameters object associated with this public key. + """ + + @abc.abstractmethod + def verifier( + self, + signature: bytes, + signature_algorithm: hashes.HashAlgorithm, + ) -> AsymmetricVerificationContext: + """ + Returns an AsymmetricVerificationContext used for signing data. + """ + + @abc.abstractmethod + def public_numbers(self) -> "DSAPublicNumbers": + """ + Returns a DSAPublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ): + """ + Verifies the signature of the data. + """ + + +DSAPublicKeyWithSerialization = DSAPublicKey + + +class DSAParameterNumbers(object): + def __init__(self, p: int, q: int, g: int): + if ( + not isinstance(p, int) + or not isinstance(q, int) + or not isinstance(g, int) + ): + raise TypeError( + "DSAParameterNumbers p, q, and g arguments must be integers." + ) + + self._p = p + self._q = q + self._g = g + + p = utils.read_only_property("_p") + q = utils.read_only_property("_q") + g = utils.read_only_property("_g") + + def parameters(self, backend=None) -> DSAParameters: + backend = _get_backend(backend) + return backend.load_dsa_parameter_numbers(self) + + def __eq__(self, other): + if not isinstance(other, DSAParameterNumbers): + return NotImplemented + + return self.p == other.p and self.q == other.q and self.g == other.g + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return ( + "".format(self=self) + ) + + +class DSAPublicNumbers(object): + def __init__(self, y: int, parameter_numbers: DSAParameterNumbers): + if not isinstance(y, int): + raise TypeError("DSAPublicNumbers y argument must be an integer.") + + if not isinstance(parameter_numbers, DSAParameterNumbers): + raise TypeError( + "parameter_numbers must be a DSAParameterNumbers instance." + ) + + self._y = y + self._parameter_numbers = parameter_numbers + + y = utils.read_only_property("_y") + parameter_numbers = utils.read_only_property("_parameter_numbers") + + def public_key(self, backend=None) -> DSAPublicKey: + backend = _get_backend(backend) + return backend.load_dsa_public_numbers(self) + + def __eq__(self, other): + if not isinstance(other, DSAPublicNumbers): + return NotImplemented + + return ( + self.y == other.y + and self.parameter_numbers == other.parameter_numbers + ) + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return ( + "".format(self=self) + ) + + +class DSAPrivateNumbers(object): + def __init__(self, x: int, public_numbers: DSAPublicNumbers): + if not isinstance(x, int): + raise TypeError("DSAPrivateNumbers x argument must be an integer.") + + if not isinstance(public_numbers, DSAPublicNumbers): + raise TypeError( + "public_numbers must be a DSAPublicNumbers instance." + ) + self._public_numbers = public_numbers + self._x = x + + x = utils.read_only_property("_x") + public_numbers = utils.read_only_property("_public_numbers") + + def private_key(self, backend=None) -> DSAPrivateKey: + backend = _get_backend(backend) + return backend.load_dsa_private_numbers(self) + + def __eq__(self, other): + if not isinstance(other, DSAPrivateNumbers): + return NotImplemented + + return ( + self.x == other.x and self.public_numbers == other.public_numbers + ) + + def __ne__(self, other): + return not self == other + + +def generate_parameters(key_size: int, backend=None) -> DSAParameters: + backend = _get_backend(backend) + return backend.generate_dsa_parameters(key_size) + + +def generate_private_key(key_size: int, backend=None) -> DSAPrivateKey: + backend = _get_backend(backend) + return backend.generate_dsa_private_key_and_parameters(key_size) + + +def _check_dsa_parameters(parameters: DSAParameterNumbers): + if parameters.p.bit_length() not in [1024, 2048, 3072, 4096]: + raise ValueError( + "p must be exactly 1024, 2048, 3072, or 4096 bits long" + ) + if parameters.q.bit_length() not in [160, 224, 256]: + raise ValueError("q must be exactly 160, 224, or 256 bits long") + + if not (1 < parameters.g < parameters.p): + raise ValueError("g, p don't satisfy 1 < g < p.") + + +def _check_dsa_private_numbers(numbers: DSAPrivateNumbers): + parameters = numbers.public_numbers.parameter_numbers + _check_dsa_parameters(parameters) + if numbers.x <= 0 or numbers.x >= parameters.q: + raise ValueError("x must be > 0 and < q.") + + if numbers.public_numbers.y != pow(parameters.g, numbers.x, parameters.p): + raise ValueError("y must be equal to (g ** x % p).") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py new file mode 100644 index 0000000..56c5f9a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ec.py @@ -0,0 +1,519 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing +import warnings + +from cryptography import utils +from cryptography.hazmat._oid import ObjectIdentifier +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + utils as asym_utils, +) + + +class EllipticCurveOID(object): + SECP192R1 = ObjectIdentifier("1.2.840.10045.3.1.1") + SECP224R1 = ObjectIdentifier("1.3.132.0.33") + SECP256K1 = ObjectIdentifier("1.3.132.0.10") + SECP256R1 = ObjectIdentifier("1.2.840.10045.3.1.7") + SECP384R1 = ObjectIdentifier("1.3.132.0.34") + SECP521R1 = ObjectIdentifier("1.3.132.0.35") + BRAINPOOLP256R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.7") + BRAINPOOLP384R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.11") + BRAINPOOLP512R1 = ObjectIdentifier("1.3.36.3.3.2.8.1.1.13") + SECT163K1 = ObjectIdentifier("1.3.132.0.1") + SECT163R2 = ObjectIdentifier("1.3.132.0.15") + SECT233K1 = ObjectIdentifier("1.3.132.0.26") + SECT233R1 = ObjectIdentifier("1.3.132.0.27") + SECT283K1 = ObjectIdentifier("1.3.132.0.16") + SECT283R1 = ObjectIdentifier("1.3.132.0.17") + SECT409K1 = ObjectIdentifier("1.3.132.0.36") + SECT409R1 = ObjectIdentifier("1.3.132.0.37") + SECT571K1 = ObjectIdentifier("1.3.132.0.38") + SECT571R1 = ObjectIdentifier("1.3.132.0.39") + + +class EllipticCurve(metaclass=abc.ABCMeta): + @abc.abstractproperty + def name(self) -> str: + """ + The name of the curve. e.g. secp256r1. + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + +class EllipticCurveSignatureAlgorithm(metaclass=abc.ABCMeta): + @abc.abstractproperty + def algorithm( + self, + ) -> typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm]: + """ + The digest algorithm used with this signature. + """ + + +class EllipticCurvePrivateKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def signer( + self, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> AsymmetricSignatureContext: + """ + Returns an AsymmetricSignatureContext used for signing data. + """ + + @abc.abstractmethod + def exchange( + self, algorithm: "ECDH", peer_public_key: "EllipticCurvePublicKey" + ) -> bytes: + """ + Performs a key exchange operation using the provided algorithm with the + provided peer's public key. + """ + + @abc.abstractmethod + def public_key(self) -> "EllipticCurvePublicKey": + """ + The EllipticCurvePublicKey for this private key. + """ + + @abc.abstractproperty + def curve(self) -> EllipticCurve: + """ + The EllipticCurve that this key is on. + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + @abc.abstractmethod + def sign( + self, + data, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> bytes: + """ + Signs the data + """ + + @abc.abstractmethod + def private_numbers(self) -> "EllipticCurvePrivateNumbers": + """ + Returns an EllipticCurvePrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +EllipticCurvePrivateKeyWithSerialization = EllipticCurvePrivateKey + + +class EllipticCurvePublicKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def verifier( + self, + signature: bytes, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> AsymmetricVerificationContext: + """ + Returns an AsymmetricVerificationContext used for signing data. + """ + + @abc.abstractproperty + def curve(self) -> EllipticCurve: + """ + The EllipticCurve that this key is on. + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + Bit size of a secret scalar for the curve. + """ + + @abc.abstractmethod + def public_numbers(self) -> "EllipticCurvePublicNumbers": + """ + Returns an EllipticCurvePublicNumbers. + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + signature_algorithm: EllipticCurveSignatureAlgorithm, + ) -> None: + """ + Verifies the signature of the data. + """ + + @classmethod + def from_encoded_point( + cls, curve: EllipticCurve, data: bytes + ) -> "EllipticCurvePublicKey": + utils._check_bytes("data", data) + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must be an EllipticCurve instance") + + if len(data) == 0: + raise ValueError("data must not be an empty byte string") + + if data[0] not in [0x02, 0x03, 0x04]: + raise ValueError("Unsupported elliptic curve point type") + + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_elliptic_curve_public_bytes(curve, data) + + +EllipticCurvePublicKeyWithSerialization = EllipticCurvePublicKey + + +class SECT571R1(EllipticCurve): + name = "sect571r1" + key_size = 570 + + +class SECT409R1(EllipticCurve): + name = "sect409r1" + key_size = 409 + + +class SECT283R1(EllipticCurve): + name = "sect283r1" + key_size = 283 + + +class SECT233R1(EllipticCurve): + name = "sect233r1" + key_size = 233 + + +class SECT163R2(EllipticCurve): + name = "sect163r2" + key_size = 163 + + +class SECT571K1(EllipticCurve): + name = "sect571k1" + key_size = 571 + + +class SECT409K1(EllipticCurve): + name = "sect409k1" + key_size = 409 + + +class SECT283K1(EllipticCurve): + name = "sect283k1" + key_size = 283 + + +class SECT233K1(EllipticCurve): + name = "sect233k1" + key_size = 233 + + +class SECT163K1(EllipticCurve): + name = "sect163k1" + key_size = 163 + + +class SECP521R1(EllipticCurve): + name = "secp521r1" + key_size = 521 + + +class SECP384R1(EllipticCurve): + name = "secp384r1" + key_size = 384 + + +class SECP256R1(EllipticCurve): + name = "secp256r1" + key_size = 256 + + +class SECP256K1(EllipticCurve): + name = "secp256k1" + key_size = 256 + + +class SECP224R1(EllipticCurve): + name = "secp224r1" + key_size = 224 + + +class SECP192R1(EllipticCurve): + name = "secp192r1" + key_size = 192 + + +class BrainpoolP256R1(EllipticCurve): + name = "brainpoolP256r1" + key_size = 256 + + +class BrainpoolP384R1(EllipticCurve): + name = "brainpoolP384r1" + key_size = 384 + + +class BrainpoolP512R1(EllipticCurve): + name = "brainpoolP512r1" + key_size = 512 + + +_CURVE_TYPES: typing.Dict[str, typing.Type[EllipticCurve]] = { + "prime192v1": SECP192R1, + "prime256v1": SECP256R1, + "secp192r1": SECP192R1, + "secp224r1": SECP224R1, + "secp256r1": SECP256R1, + "secp384r1": SECP384R1, + "secp521r1": SECP521R1, + "secp256k1": SECP256K1, + "sect163k1": SECT163K1, + "sect233k1": SECT233K1, + "sect283k1": SECT283K1, + "sect409k1": SECT409K1, + "sect571k1": SECT571K1, + "sect163r2": SECT163R2, + "sect233r1": SECT233R1, + "sect283r1": SECT283R1, + "sect409r1": SECT409R1, + "sect571r1": SECT571R1, + "brainpoolP256r1": BrainpoolP256R1, + "brainpoolP384r1": BrainpoolP384R1, + "brainpoolP512r1": BrainpoolP512R1, +} + + +class ECDSA(EllipticCurveSignatureAlgorithm): + def __init__(self, algorithm): + self._algorithm = algorithm + + algorithm = utils.read_only_property("_algorithm") + + +def generate_private_key( + curve: EllipticCurve, backend=None +) -> EllipticCurvePrivateKey: + backend = _get_backend(backend) + return backend.generate_elliptic_curve_private_key(curve) + + +def derive_private_key( + private_value: int, curve: EllipticCurve, backend=None +) -> EllipticCurvePrivateKey: + backend = _get_backend(backend) + if not isinstance(private_value, int): + raise TypeError("private_value must be an integer type.") + + if private_value <= 0: + raise ValueError("private_value must be a positive integer.") + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must provide the EllipticCurve interface.") + + return backend.derive_elliptic_curve_private_key(private_value, curve) + + +class EllipticCurvePublicNumbers(object): + def __init__(self, x: int, y: int, curve: EllipticCurve): + if not isinstance(x, int) or not isinstance(y, int): + raise TypeError("x and y must be integers.") + + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must provide the EllipticCurve interface.") + + self._y = y + self._x = x + self._curve = curve + + def public_key(self, backend=None) -> EllipticCurvePublicKey: + backend = _get_backend(backend) + return backend.load_elliptic_curve_public_numbers(self) + + def encode_point(self) -> bytes: + warnings.warn( + "encode_point has been deprecated on EllipticCurvePublicNumbers" + " and will be removed in a future version. Please use " + "EllipticCurvePublicKey.public_bytes to obtain both " + "compressed and uncompressed point encoding.", + utils.PersistentlyDeprecated2019, + stacklevel=2, + ) + # key_size is in bits. Convert to bytes and round up + byte_length = (self.curve.key_size + 7) // 8 + return ( + b"\x04" + + utils.int_to_bytes(self.x, byte_length) + + utils.int_to_bytes(self.y, byte_length) + ) + + @classmethod + def from_encoded_point( + cls, curve: EllipticCurve, data: bytes + ) -> "EllipticCurvePublicNumbers": + if not isinstance(curve, EllipticCurve): + raise TypeError("curve must be an EllipticCurve instance") + + warnings.warn( + "Support for unsafe construction of public numbers from " + "encoded data will be removed in a future version. " + "Please use EllipticCurvePublicKey.from_encoded_point", + utils.PersistentlyDeprecated2019, + stacklevel=2, + ) + + if data.startswith(b"\x04"): + # key_size is in bits. Convert to bytes and round up + byte_length = (curve.key_size + 7) // 8 + if len(data) == 2 * byte_length + 1: + x = int.from_bytes(data[1 : byte_length + 1], "big") + y = int.from_bytes(data[byte_length + 1 :], "big") + return cls(x, y, curve) + else: + raise ValueError("Invalid elliptic curve point data length") + else: + raise ValueError("Unsupported elliptic curve point type") + + curve = utils.read_only_property("_curve") + x = utils.read_only_property("_x") + y = utils.read_only_property("_y") + + def __eq__(self, other): + if not isinstance(other, EllipticCurvePublicNumbers): + return NotImplemented + + return ( + self.x == other.x + and self.y == other.y + and self.curve.name == other.curve.name + and self.curve.key_size == other.curve.key_size + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.x, self.y, self.curve.name, self.curve.key_size)) + + def __repr__(self): + return ( + "".format(self) + ) + + +class EllipticCurvePrivateNumbers(object): + def __init__( + self, private_value: int, public_numbers: EllipticCurvePublicNumbers + ): + if not isinstance(private_value, int): + raise TypeError("private_value must be an integer.") + + if not isinstance(public_numbers, EllipticCurvePublicNumbers): + raise TypeError( + "public_numbers must be an EllipticCurvePublicNumbers " + "instance." + ) + + self._private_value = private_value + self._public_numbers = public_numbers + + def private_key(self, backend=None) -> EllipticCurvePrivateKey: + backend = _get_backend(backend) + return backend.load_elliptic_curve_private_numbers(self) + + private_value = utils.read_only_property("_private_value") + public_numbers = utils.read_only_property("_public_numbers") + + def __eq__(self, other): + if not isinstance(other, EllipticCurvePrivateNumbers): + return NotImplemented + + return ( + self.private_value == other.private_value + and self.public_numbers == other.public_numbers + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.private_value, self.public_numbers)) + + +class ECDH(object): + pass + + +_OID_TO_CURVE = { + EllipticCurveOID.SECP192R1: SECP192R1, + EllipticCurveOID.SECP224R1: SECP224R1, + EllipticCurveOID.SECP256K1: SECP256K1, + EllipticCurveOID.SECP256R1: SECP256R1, + EllipticCurveOID.SECP384R1: SECP384R1, + EllipticCurveOID.SECP521R1: SECP521R1, + EllipticCurveOID.BRAINPOOLP256R1: BrainpoolP256R1, + EllipticCurveOID.BRAINPOOLP384R1: BrainpoolP384R1, + EllipticCurveOID.BRAINPOOLP512R1: BrainpoolP512R1, + EllipticCurveOID.SECT163K1: SECT163K1, + EllipticCurveOID.SECT163R2: SECT163R2, + EllipticCurveOID.SECT233K1: SECT233K1, + EllipticCurveOID.SECT233R1: SECT233R1, + EllipticCurveOID.SECT283K1: SECT283K1, + EllipticCurveOID.SECT283R1: SECT283R1, + EllipticCurveOID.SECT409K1: SECT409K1, + EllipticCurveOID.SECT409R1: SECT409R1, + EllipticCurveOID.SECT571K1: SECT571K1, + EllipticCurveOID.SECT571R1: SECT571R1, +} + + +def get_curve_for_oid(oid: ObjectIdentifier) -> typing.Type[EllipticCurve]: + try: + return _OID_TO_CURVE[oid] + except KeyError: + raise LookupError( + "The provided object identifier has no matching elliptic " + "curve class" + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py new file mode 100644 index 0000000..8e649bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed25519.py @@ -0,0 +1,92 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import _serialization + + +_ED25519_KEY_SIZE = 32 +_ED25519_SIG_SIZE = 64 + + +class Ed25519PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> "Ed25519PublicKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def verify(self, signature: bytes, data: bytes) -> None: + """ + Verify the signature. + """ + + +class Ed25519PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> "Ed25519PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> "Ed25519PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed25519_supported(): + raise UnsupportedAlgorithm( + "ed25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed25519_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> Ed25519PublicKey: + """ + The Ed25519PublicKey derived from the private key. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ): + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def sign(self, data: bytes) -> bytes: + """ + Signs the data. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py new file mode 100644 index 0000000..4198546 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/ed448.py @@ -0,0 +1,87 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import _serialization + + +class Ed448PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> "Ed448PublicKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed448_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def verify(self, signature: bytes, data: bytes): + """ + Verify the signature. + """ + + +class Ed448PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> "Ed448PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + return backend.ed448_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> "Ed448PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.ed448_supported(): + raise UnsupportedAlgorithm( + "ed448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_PUBLIC_KEY_ALGORITHM, + ) + + return backend.ed448_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> Ed448PublicKey: + """ + The Ed448PublicKey derived from the private key. + """ + + @abc.abstractmethod + def sign(self, data: bytes) -> bytes: + """ + Signs the data. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ): + """ + The serialized bytes of the private key. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py new file mode 100644 index 0000000..301c64c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/padding.py @@ -0,0 +1,73 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography.hazmat.primitives import hashes +from cryptography.hazmat.primitives._asymmetric import AsymmetricPadding +from cryptography.hazmat.primitives.asymmetric import rsa + + +class PKCS1v15(AsymmetricPadding): + name = "EMSA-PKCS1-v1_5" + + +class PSS(AsymmetricPadding): + MAX_LENGTH = object() + name = "EMSA-PSS" + + def __init__(self, mgf, salt_length): + self._mgf = mgf + + if ( + not isinstance(salt_length, int) + and salt_length is not self.MAX_LENGTH + ): + raise TypeError("salt_length must be an integer.") + + if salt_length is not self.MAX_LENGTH and salt_length < 0: + raise ValueError("salt_length must be zero or greater.") + + self._salt_length = salt_length + + +class OAEP(AsymmetricPadding): + name = "EME-OAEP" + + def __init__( + self, + mgf: "MGF1", + algorithm: hashes.HashAlgorithm, + label: typing.Optional[bytes], + ): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + self._mgf = mgf + self._algorithm = algorithm + self._label = label + + +class MGF1(object): + MAX_LENGTH = object() + + def __init__(self, algorithm: hashes.HashAlgorithm): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + + self._algorithm = algorithm + + +def calculate_max_pss_salt_length( + key: typing.Union["rsa.RSAPrivateKey", "rsa.RSAPublicKey"], + hash_algorithm: hashes.HashAlgorithm, +) -> int: + if not isinstance(key, (rsa.RSAPrivateKey, rsa.RSAPublicKey)): + raise TypeError("key must be an RSA public or private key") + # bit length - 1 per RFC 3447 + emlen = (key.key_size + 6) // 8 + salt_length = emlen - hash_algorithm.digest_size - 2 + assert salt_length >= 0 + return salt_length diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py new file mode 100644 index 0000000..213e518 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/rsa.py @@ -0,0 +1,428 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing +from math import gcd + +from cryptography import utils +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import RSABackend +from cryptography.hazmat.primitives import _serialization, hashes +from cryptography.hazmat.primitives._asymmetric import AsymmetricPadding +from cryptography.hazmat.primitives.asymmetric import ( + AsymmetricSignatureContext, + AsymmetricVerificationContext, + utils as asym_utils, +) + + +class RSAPrivateKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def signer( + self, padding: AsymmetricPadding, algorithm: hashes.HashAlgorithm + ) -> AsymmetricSignatureContext: + """ + Returns an AsymmetricSignatureContext used for signing data. + """ + + @abc.abstractmethod + def decrypt(self, ciphertext: bytes, padding: AsymmetricPadding) -> bytes: + """ + Decrypts the provided ciphertext. + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the public modulus. + """ + + @abc.abstractmethod + def public_key(self) -> "RSAPublicKey": + """ + The RSAPublicKey associated with this private key. + """ + + @abc.abstractmethod + def sign( + self, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> bytes: + """ + Signs the data. + """ + + @abc.abstractmethod + def private_numbers(self) -> "RSAPrivateNumbers": + """ + Returns an RSAPrivateNumbers. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + +RSAPrivateKeyWithSerialization = RSAPrivateKey + + +class RSAPublicKey(metaclass=abc.ABCMeta): + @abc.abstractmethod + def verifier( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: hashes.HashAlgorithm, + ) -> AsymmetricVerificationContext: + """ + Returns an AsymmetricVerificationContext used for verifying signatures. + """ + + @abc.abstractmethod + def encrypt(self, plaintext: bytes, padding: AsymmetricPadding) -> bytes: + """ + Encrypts the given plaintext. + """ + + @abc.abstractproperty + def key_size(self) -> int: + """ + The bit length of the public modulus. + """ + + @abc.abstractmethod + def public_numbers(self) -> "RSAPublicNumbers": + """ + Returns an RSAPublicNumbers + """ + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + Returns the key serialized as bytes. + """ + + @abc.abstractmethod + def verify( + self, + signature: bytes, + data: bytes, + padding: AsymmetricPadding, + algorithm: typing.Union[asym_utils.Prehashed, hashes.HashAlgorithm], + ) -> None: + """ + Verifies the signature of the data. + """ + + @abc.abstractmethod + def recover_data_from_signature( + self, + signature: bytes, + padding: AsymmetricPadding, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> bytes: + """ + Recovers the original data from the signature. + """ + + +RSAPublicKeyWithSerialization = RSAPublicKey + + +def generate_private_key( + public_exponent: int, key_size: int, backend=None +) -> RSAPrivateKey: + backend = _get_backend(backend) + if not isinstance(backend, RSABackend): + raise UnsupportedAlgorithm( + "Backend object does not implement RSABackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + _verify_rsa_parameters(public_exponent, key_size) + return backend.generate_rsa_private_key(public_exponent, key_size) + + +def _verify_rsa_parameters(public_exponent: int, key_size: int) -> None: + if public_exponent not in (3, 65537): + raise ValueError( + "public_exponent must be either 3 (for legacy compatibility) or " + "65537. Almost everyone should choose 65537 here!" + ) + + if key_size < 512: + raise ValueError("key_size must be at least 512-bits.") + + +def _check_private_key_components( + p: int, + q: int, + private_exponent: int, + dmp1: int, + dmq1: int, + iqmp: int, + public_exponent: int, + modulus: int, +) -> None: + if modulus < 3: + raise ValueError("modulus must be >= 3.") + + if p >= modulus: + raise ValueError("p must be < modulus.") + + if q >= modulus: + raise ValueError("q must be < modulus.") + + if dmp1 >= modulus: + raise ValueError("dmp1 must be < modulus.") + + if dmq1 >= modulus: + raise ValueError("dmq1 must be < modulus.") + + if iqmp >= modulus: + raise ValueError("iqmp must be < modulus.") + + if private_exponent >= modulus: + raise ValueError("private_exponent must be < modulus.") + + if public_exponent < 3 or public_exponent >= modulus: + raise ValueError("public_exponent must be >= 3 and < modulus.") + + if public_exponent & 1 == 0: + raise ValueError("public_exponent must be odd.") + + if dmp1 & 1 == 0: + raise ValueError("dmp1 must be odd.") + + if dmq1 & 1 == 0: + raise ValueError("dmq1 must be odd.") + + if p * q != modulus: + raise ValueError("p*q must equal modulus.") + + +def _check_public_key_components(e: int, n: int) -> None: + if n < 3: + raise ValueError("n must be >= 3.") + + if e < 3 or e >= n: + raise ValueError("e must be >= 3 and < n.") + + if e & 1 == 0: + raise ValueError("e must be odd.") + + +def _modinv(e: int, m: int) -> int: + """ + Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1 + """ + x1, x2 = 1, 0 + a, b = e, m + while b > 0: + q, r = divmod(a, b) + xn = x1 - q * x2 + a, b, x1, x2 = b, r, x2, xn + return x1 % m + + +def rsa_crt_iqmp(p: int, q: int) -> int: + """ + Compute the CRT (q ** -1) % p value from RSA primes p and q. + """ + return _modinv(q, p) + + +def rsa_crt_dmp1(private_exponent: int, p: int) -> int: + """ + Compute the CRT private_exponent % (p - 1) value from the RSA + private_exponent (d) and p. + """ + return private_exponent % (p - 1) + + +def rsa_crt_dmq1(private_exponent: int, q: int) -> int: + """ + Compute the CRT private_exponent % (q - 1) value from the RSA + private_exponent (d) and q. + """ + return private_exponent % (q - 1) + + +# Controls the number of iterations rsa_recover_prime_factors will perform +# to obtain the prime factors. Each iteration increments by 2 so the actual +# maximum attempts is half this number. +_MAX_RECOVERY_ATTEMPTS = 1000 + + +def rsa_recover_prime_factors( + n: int, e: int, d: int +) -> typing.Tuple[int, int]: + """ + Compute factors p and q from the private exponent d. We assume that n has + no more than two factors. This function is adapted from code in PyCrypto. + """ + # See 8.2.2(i) in Handbook of Applied Cryptography. + ktot = d * e - 1 + # The quantity d*e-1 is a multiple of phi(n), even, + # and can be represented as t*2^s. + t = ktot + while t % 2 == 0: + t = t // 2 + # Cycle through all multiplicative inverses in Zn. + # The algorithm is non-deterministic, but there is a 50% chance + # any candidate a leads to successful factoring. + # See "Digitalized Signatures and Public Key Functions as Intractable + # as Factorization", M. Rabin, 1979 + spotted = False + a = 2 + while not spotted and a < _MAX_RECOVERY_ATTEMPTS: + k = t + # Cycle through all values a^{t*2^i}=a^k + while k < ktot: + cand = pow(a, k, n) + # Check if a^k is a non-trivial root of unity (mod n) + if cand != 1 and cand != (n - 1) and pow(cand, 2, n) == 1: + # We have found a number such that (cand-1)(cand+1)=0 (mod n). + # Either of the terms divides n. + p = gcd(cand + 1, n) + spotted = True + break + k *= 2 + # This value was not any good... let's try another! + a += 2 + if not spotted: + raise ValueError("Unable to compute factors p and q from exponent d.") + # Found ! + q, r = divmod(n, p) + assert r == 0 + p, q = sorted((p, q), reverse=True) + return (p, q) + + +class RSAPrivateNumbers(object): + def __init__( + self, + p: int, + q: int, + d: int, + dmp1: int, + dmq1: int, + iqmp: int, + public_numbers: "RSAPublicNumbers", + ): + if ( + not isinstance(p, int) + or not isinstance(q, int) + or not isinstance(d, int) + or not isinstance(dmp1, int) + or not isinstance(dmq1, int) + or not isinstance(iqmp, int) + ): + raise TypeError( + "RSAPrivateNumbers p, q, d, dmp1, dmq1, iqmp arguments must" + " all be an integers." + ) + + if not isinstance(public_numbers, RSAPublicNumbers): + raise TypeError( + "RSAPrivateNumbers public_numbers must be an RSAPublicNumbers" + " instance." + ) + + self._p = p + self._q = q + self._d = d + self._dmp1 = dmp1 + self._dmq1 = dmq1 + self._iqmp = iqmp + self._public_numbers = public_numbers + + p = utils.read_only_property("_p") + q = utils.read_only_property("_q") + d = utils.read_only_property("_d") + dmp1 = utils.read_only_property("_dmp1") + dmq1 = utils.read_only_property("_dmq1") + iqmp = utils.read_only_property("_iqmp") + public_numbers = utils.read_only_property("_public_numbers") + + def private_key(self, backend=None) -> RSAPrivateKey: + backend = _get_backend(backend) + return backend.load_rsa_private_numbers(self) + + def __eq__(self, other): + if not isinstance(other, RSAPrivateNumbers): + return NotImplemented + + return ( + self.p == other.p + and self.q == other.q + and self.d == other.d + and self.dmp1 == other.dmp1 + and self.dmq1 == other.dmq1 + and self.iqmp == other.iqmp + and self.public_numbers == other.public_numbers + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash( + ( + self.p, + self.q, + self.d, + self.dmp1, + self.dmq1, + self.iqmp, + self.public_numbers, + ) + ) + + +class RSAPublicNumbers(object): + def __init__(self, e: int, n: int): + if not isinstance(e, int) or not isinstance(n, int): + raise TypeError("RSAPublicNumbers arguments must be integers.") + + self._e = e + self._n = n + + e = utils.read_only_property("_e") + n = utils.read_only_property("_n") + + def public_key(self, backend=None) -> RSAPublicKey: + backend = _get_backend(backend) + return backend.load_rsa_public_numbers(self) + + def __repr__(self): + return "".format(self) + + def __eq__(self, other): + if not isinstance(other, RSAPublicNumbers): + return NotImplemented + + return self.e == other.e and self.n == other.n + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.e, self.n)) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py new file mode 100644 index 0000000..1118abc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/utils.py @@ -0,0 +1,42 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography import utils +from cryptography.hazmat._der import ( + DERReader, + INTEGER, + SEQUENCE, + encode_der, + encode_der_integer, +) +from cryptography.hazmat.primitives import hashes + + +def decode_dss_signature(signature: bytes) -> typing.Tuple[int, int]: + with DERReader(signature).read_single_element(SEQUENCE) as seq: + r = seq.read_element(INTEGER).as_integer() + s = seq.read_element(INTEGER).as_integer() + return r, s + + +def encode_dss_signature(r: int, s: int) -> bytes: + return encode_der( + SEQUENCE, + encode_der(INTEGER, encode_der_integer(r)), + encode_der(INTEGER, encode_der_integer(s)), + ) + + +class Prehashed(object): + def __init__(self, algorithm: hashes.HashAlgorithm): + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of HashAlgorithm.") + + self._algorithm = algorithm + self._digest_size = algorithm.digest_size + + digest_size = utils.read_only_property("_digest_size") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py new file mode 100644 index 0000000..690af78 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x25519.py @@ -0,0 +1,81 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import _serialization + + +class X25519PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data: bytes) -> "X25519PublicKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x25519_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + +class X25519PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> "X25519PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + return backend.x25519_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> "X25519PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x25519_supported(): + raise UnsupportedAlgorithm( + "X25519 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x25519_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> X25519PublicKey: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: X25519PublicKey) -> bytes: + """ + Performs a key exchange operation using the provided peer's public key. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py new file mode 100644 index 0000000..4282543 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/asymmetric/x448.py @@ -0,0 +1,81 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.primitives import _serialization + + +class X448PublicKey(metaclass=abc.ABCMeta): + @classmethod + def from_public_bytes(cls, data) -> "X448PublicKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x448_load_public_bytes(data) + + @abc.abstractmethod + def public_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PublicFormat, + ) -> bytes: + """ + The serialized bytes of the public key. + """ + + +class X448PrivateKey(metaclass=abc.ABCMeta): + @classmethod + def generate(cls) -> "X448PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + return backend.x448_generate_key() + + @classmethod + def from_private_bytes(cls, data: bytes) -> "X448PrivateKey": + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.x448_supported(): + raise UnsupportedAlgorithm( + "X448 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_EXCHANGE_ALGORITHM, + ) + + return backend.x448_load_private_bytes(data) + + @abc.abstractmethod + def public_key(self) -> X448PublicKey: + """ + The serialized bytes of the public key. + """ + + @abc.abstractmethod + def private_bytes( + self, + encoding: _serialization.Encoding, + format: _serialization.PrivateFormat, + encryption_algorithm: _serialization.KeySerializationEncryption, + ) -> bytes: + """ + The serialized bytes of the private key. + """ + + @abc.abstractmethod + def exchange(self, peer_public_key: X448PublicKey) -> bytes: + """ + Performs a key exchange operation using the provided peer's public key. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py new file mode 100644 index 0000000..7d3a2dc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/__init__.py @@ -0,0 +1,25 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.hazmat.primitives.ciphers.base import ( + AEADCipherContext, + AEADDecryptionContext, + AEADEncryptionContext, + BlockCipherAlgorithm, + Cipher, + CipherAlgorithm, + CipherContext, +) + + +__all__ = [ + "Cipher", + "CipherAlgorithm", + "BlockCipherAlgorithm", + "CipherContext", + "AEADCipherContext", + "AEADDecryptionContext", + "AEADEncryptionContext", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/aead.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/aead.py new file mode 100644 index 0000000..5c7cdc2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/aead.py @@ -0,0 +1,214 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import os +import typing + +from cryptography import exceptions, utils +from cryptography.hazmat.backends.openssl import aead +from cryptography.hazmat.backends.openssl.backend import backend + + +class ChaCha20Poly1305(object): + _MAX_SIZE = 2 ** 32 + + def __init__(self, key: bytes): + if not backend.aead_cipher_supported(self): + raise exceptions.UnsupportedAlgorithm( + "ChaCha20Poly1305 is not supported by this version of OpenSSL", + exceptions._Reasons.UNSUPPORTED_CIPHER, + ) + utils._check_byteslike("key", key) + + if len(key) != 32: + raise ValueError("ChaCha20Poly1305 key must be 32 bytes.") + + self._key = key + + @classmethod + def generate_key(cls) -> bytes: + return os.urandom(32) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**32 bytes" + ) + + self._check_params(nonce, data, associated_data) + return aead._encrypt(backend, self, nonce, data, associated_data, 16) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt(backend, self, nonce, data, associated_data, 16) + + def _check_params( + self, + nonce: bytes, + data: bytes, + associated_data: bytes, + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_bytes("data", data) + utils._check_bytes("associated_data", associated_data) + if len(nonce) != 12: + raise ValueError("Nonce must be 12 bytes") + + +class AESCCM(object): + _MAX_SIZE = 2 ** 32 + + def __init__(self, key: bytes, tag_length: int = 16): + utils._check_byteslike("key", key) + if len(key) not in (16, 24, 32): + raise ValueError("AESCCM key must be 128, 192, or 256 bits.") + + self._key = key + if not isinstance(tag_length, int): + raise TypeError("tag_length must be an integer") + + if tag_length not in (4, 6, 8, 10, 12, 14, 16): + raise ValueError("Invalid tag_length") + + self._tag_length = tag_length + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (128, 192, 256): + raise ValueError("bit_length must be 128, 192, or 256") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**32 bytes" + ) + + self._check_params(nonce, data, associated_data) + self._validate_lengths(nonce, len(data)) + return aead._encrypt( + backend, self, nonce, data, associated_data, self._tag_length + ) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt( + backend, self, nonce, data, associated_data, self._tag_length + ) + + def _validate_lengths(self, nonce: bytes, data_len: int): + # For information about computing this, see + # https://tools.ietf.org/html/rfc3610#section-2.1 + l_val = 15 - len(nonce) + if 2 ** (8 * l_val) < data_len: + raise ValueError("Data too long for nonce") + + def _check_params(self, nonce: bytes, data: bytes, associated_data: bytes): + utils._check_byteslike("nonce", nonce) + utils._check_bytes("data", data) + utils._check_bytes("associated_data", associated_data) + if not 7 <= len(nonce) <= 13: + raise ValueError("Nonce must be between 7 and 13 bytes") + + +class AESGCM(object): + _MAX_SIZE = 2 ** 32 + + def __init__(self, key: bytes): + utils._check_byteslike("key", key) + if len(key) not in (16, 24, 32): + raise ValueError("AESGCM key must be 128, 192, or 256 bits.") + + self._key = key + + @classmethod + def generate_key(cls, bit_length: int) -> bytes: + if not isinstance(bit_length, int): + raise TypeError("bit_length must be an integer") + + if bit_length not in (128, 192, 256): + raise ValueError("bit_length must be 128, 192, or 256") + + return os.urandom(bit_length // 8) + + def encrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + if len(data) > self._MAX_SIZE or len(associated_data) > self._MAX_SIZE: + # This is OverflowError to match what cffi would raise + raise OverflowError( + "Data or associated data too long. Max 2**32 bytes" + ) + + self._check_params(nonce, data, associated_data) + return aead._encrypt(backend, self, nonce, data, associated_data, 16) + + def decrypt( + self, + nonce: bytes, + data: bytes, + associated_data: typing.Optional[bytes], + ) -> bytes: + if associated_data is None: + associated_data = b"" + + self._check_params(nonce, data, associated_data) + return aead._decrypt(backend, self, nonce, data, associated_data, 16) + + def _check_params( + self, + nonce: bytes, + data: bytes, + associated_data: bytes, + ) -> None: + utils._check_byteslike("nonce", nonce) + utils._check_bytes("data", data) + utils._check_bytes("associated_data", associated_data) + if len(nonce) < 8 or len(nonce) > 128: + raise ValueError("Nonce must be between 8 and 128 bytes") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py new file mode 100644 index 0000000..ed72516 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/algorithms.py @@ -0,0 +1,153 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.hazmat.primitives.ciphers import ( + BlockCipherAlgorithm, + CipherAlgorithm, +) +from cryptography.hazmat.primitives.ciphers.modes import ModeWithNonce + + +def _verify_key_size(algorithm: CipherAlgorithm, key: bytes): + # Verify that the key is instance of bytes + utils._check_byteslike("key", key) + + # Verify that the key size matches the expected key size + if len(key) * 8 not in algorithm.key_sizes: + raise ValueError( + "Invalid key size ({}) for {}.".format( + len(key) * 8, algorithm.name + ) + ) + return key + + +class AES(CipherAlgorithm, BlockCipherAlgorithm): + name = "AES" + block_size = 128 + # 512 added to support AES-256-XTS, which uses 512-bit keys + key_sizes = frozenset([128, 192, 256, 512]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class Camellia(CipherAlgorithm, BlockCipherAlgorithm): + name = "camellia" + block_size = 128 + key_sizes = frozenset([128, 192, 256]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class TripleDES(CipherAlgorithm, BlockCipherAlgorithm): + name = "3DES" + block_size = 64 + key_sizes = frozenset([64, 128, 192]) + + def __init__(self, key: bytes): + if len(key) == 8: + key += key + key + elif len(key) == 16: + key += key[:8] + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class Blowfish(CipherAlgorithm, BlockCipherAlgorithm): + name = "Blowfish" + block_size = 64 + key_sizes = frozenset(range(32, 449, 8)) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class CAST5(CipherAlgorithm, BlockCipherAlgorithm): + name = "CAST5" + block_size = 64 + key_sizes = frozenset(range(40, 129, 8)) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class ARC4(CipherAlgorithm): + name = "RC4" + key_sizes = frozenset([40, 56, 64, 80, 128, 160, 192, 256]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class IDEA(CipherAlgorithm): + name = "IDEA" + block_size = 64 + key_sizes = frozenset([128]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class SEED(CipherAlgorithm, BlockCipherAlgorithm): + name = "SEED" + block_size = 128 + key_sizes = frozenset([128]) + + def __init__(self, key: bytes): + self.key = _verify_key_size(self, key) + + @property + def key_size(self) -> int: + return len(self.key) * 8 + + +class ChaCha20(CipherAlgorithm, ModeWithNonce): + name = "ChaCha20" + key_sizes = frozenset([256]) + + def __init__(self, key: bytes, nonce: bytes): + self.key = _verify_key_size(self, key) + utils._check_byteslike("nonce", nonce) + + if len(nonce) != 16: + raise ValueError("nonce must be 128-bits (16 bytes)") + + self._nonce = nonce + + nonce = utils.read_only_property("_nonce") + + @property + def key_size(self) -> int: + return len(self.key) * 8 diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/base.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/base.py new file mode 100644 index 0000000..6f02597 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/base.py @@ -0,0 +1,226 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + AlreadyUpdated, + NotYetFinalized, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import CipherBackend +from cryptography.hazmat.primitives._cipheralgorithm import CipherAlgorithm +from cryptography.hazmat.primitives.ciphers import modes + + +class BlockCipherAlgorithm(metaclass=abc.ABCMeta): + @abc.abstractproperty + def block_size(self) -> int: + """ + The size of a block as an integer in bits (e.g. 64, 128). + """ + + +class CipherContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data: bytes) -> bytes: + """ + Processes the provided bytes through the cipher and returns the results + as bytes. + """ + + @abc.abstractmethod + def update_into(self, data: bytes, buf) -> int: + """ + Processes the provided bytes and writes the resulting data into the + provided buffer. Returns the number of bytes written. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Returns the results of processing the final block as bytes. + """ + + +class AEADCipherContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def authenticate_additional_data(self, data: bytes) -> None: + """ + Authenticates the provided bytes. + """ + + +class AEADDecryptionContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def finalize_with_tag(self, tag: bytes) -> bytes: + """ + Returns the results of processing the final block as bytes and allows + delayed passing of the authentication tag. + """ + + +class AEADEncryptionContext(metaclass=abc.ABCMeta): + @abc.abstractproperty + def tag(self) -> bytes: + """ + Returns tag bytes. This is only available after encryption is + finalized. + """ + + +class Cipher(object): + def __init__( + self, + algorithm: CipherAlgorithm, + mode: typing.Optional[modes.Mode], + backend=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, CipherBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement CipherBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not isinstance(algorithm, CipherAlgorithm): + raise TypeError("Expected interface of CipherAlgorithm.") + + if mode is not None: + mode.validate_for_algorithm(algorithm) + + self.algorithm = algorithm + self.mode = mode + self._backend = backend + + def encryptor(self): + if isinstance(self.mode, modes.ModeWithAuthenticationTag): + if self.mode.tag is not None: + raise ValueError( + "Authentication tag must be None when encrypting." + ) + ctx = self._backend.create_symmetric_encryption_ctx( + self.algorithm, self.mode + ) + return self._wrap_ctx(ctx, encrypt=True) + + def decryptor(self): + ctx = self._backend.create_symmetric_decryption_ctx( + self.algorithm, self.mode + ) + return self._wrap_ctx(ctx, encrypt=False) + + def _wrap_ctx(self, ctx, encrypt): + if isinstance(self.mode, modes.ModeWithAuthenticationTag): + if encrypt: + return _AEADEncryptionContext(ctx) + else: + return _AEADCipherContext(ctx) + else: + return _CipherContext(ctx) + + +@utils.register_interface(CipherContext) +class _CipherContext(object): + def __init__(self, ctx): + self._ctx = ctx + + def update(self, data: bytes) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return self._ctx.update(data) + + def update_into(self, data: bytes, buf) -> int: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return self._ctx.update_into(data, buf) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize() + self._ctx = None + return data + + +@utils.register_interface(AEADCipherContext) +@utils.register_interface(CipherContext) +@utils.register_interface(AEADDecryptionContext) +class _AEADCipherContext(object): + def __init__(self, ctx): + self._ctx = ctx + self._bytes_processed = 0 + self._aad_bytes_processed = 0 + self._tag = None + self._updated = False + + def _check_limit(self, data_size: int): + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + self._updated = True + self._bytes_processed += data_size + if self._bytes_processed > self._ctx._mode._MAX_ENCRYPTED_BYTES: + raise ValueError( + "{} has a maximum encrypted byte limit of {}".format( + self._ctx._mode.name, self._ctx._mode._MAX_ENCRYPTED_BYTES + ) + ) + + def update(self, data: bytes) -> bytes: + self._check_limit(len(data)) + return self._ctx.update(data) + + def update_into(self, data: bytes, buf) -> int: + self._check_limit(len(data)) + return self._ctx.update_into(data, buf) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize() + self._tag = self._ctx.tag + self._ctx = None + return data + + def finalize_with_tag(self, tag: bytes) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + data = self._ctx.finalize_with_tag(tag) + self._tag = self._ctx.tag + self._ctx = None + return data + + def authenticate_additional_data(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + if self._updated: + raise AlreadyUpdated("Update has been called on this context.") + + self._aad_bytes_processed += len(data) + if self._aad_bytes_processed > self._ctx._mode._MAX_AAD_BYTES: + raise ValueError( + "{} has a maximum AAD byte limit of {}".format( + self._ctx._mode.name, self._ctx._mode._MAX_AAD_BYTES + ) + ) + + self._ctx.authenticate_additional_data(data) + + +@utils.register_interface(AEADEncryptionContext) +class _AEADEncryptionContext(_AEADCipherContext): + @property + def tag(self) -> bytes: + if self._ctx is not None: + raise NotYetFinalized( + "You must finalize encryption before " "getting the tag." + ) + assert self._tag is not None + return self._tag diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/modes.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/modes.py new file mode 100644 index 0000000..5265aad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/ciphers/modes.py @@ -0,0 +1,210 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing + +from cryptography import utils +from cryptography.hazmat.primitives._cipheralgorithm import CipherAlgorithm + + +class Mode(metaclass=abc.ABCMeta): + @abc.abstractproperty + def name(self) -> str: + """ + A string naming this mode (e.g. "ECB", "CBC"). + """ + + @abc.abstractmethod + def validate_for_algorithm(self, algorithm: CipherAlgorithm) -> None: + """ + Checks that all the necessary invariants of this (mode, algorithm) + combination are met. + """ + + +class ModeWithInitializationVector(metaclass=abc.ABCMeta): + @abc.abstractproperty + def initialization_vector(self) -> bytes: + """ + The value of the initialization vector for this mode as bytes. + """ + + +class ModeWithTweak(metaclass=abc.ABCMeta): + @abc.abstractproperty + def tweak(self) -> bytes: + """ + The value of the tweak for this mode as bytes. + """ + + +class ModeWithNonce(metaclass=abc.ABCMeta): + @abc.abstractproperty + def nonce(self) -> bytes: + """ + The value of the nonce for this mode as bytes. + """ + + +class ModeWithAuthenticationTag(metaclass=abc.ABCMeta): + @abc.abstractproperty + def tag(self) -> bytes: + """ + The value of the tag supplied to the constructor of this mode. + """ + + +def _check_aes_key_length(self, algorithm): + if algorithm.key_size > 256 and algorithm.name == "AES": + raise ValueError( + "Only 128, 192, and 256 bit keys are allowed for this AES mode" + ) + + +def _check_iv_length(self, algorithm): + if len(self.initialization_vector) * 8 != algorithm.block_size: + raise ValueError( + "Invalid IV size ({}) for {}.".format( + len(self.initialization_vector), self.name + ) + ) + + +def _check_nonce_length(nonce: bytes, name: str, algorithm): + if len(nonce) * 8 != algorithm.block_size: + raise ValueError( + "Invalid nonce size ({}) for {}.".format(len(nonce), name) + ) + + +def _check_iv_and_key_length(self, algorithm): + _check_aes_key_length(self, algorithm) + _check_iv_length(self, algorithm) + + +class CBC(Mode, ModeWithInitializationVector): + name = "CBC" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + initialization_vector = utils.read_only_property("_initialization_vector") + validate_for_algorithm = _check_iv_and_key_length + + +class XTS(Mode, ModeWithTweak): + name = "XTS" + + def __init__(self, tweak: bytes): + utils._check_byteslike("tweak", tweak) + + if len(tweak) != 16: + raise ValueError("tweak must be 128-bits (16 bytes)") + + self._tweak = tweak + + tweak = utils.read_only_property("_tweak") + + def validate_for_algorithm(self, algorithm: CipherAlgorithm): + if algorithm.key_size not in (256, 512): + raise ValueError( + "The XTS specification requires a 256-bit key for AES-128-XTS" + " and 512-bit key for AES-256-XTS" + ) + + +class ECB(Mode): + name = "ECB" + + validate_for_algorithm = _check_aes_key_length + + +class OFB(Mode, ModeWithInitializationVector): + name = "OFB" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + initialization_vector = utils.read_only_property("_initialization_vector") + validate_for_algorithm = _check_iv_and_key_length + + +class CFB(Mode, ModeWithInitializationVector): + name = "CFB" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + initialization_vector = utils.read_only_property("_initialization_vector") + validate_for_algorithm = _check_iv_and_key_length + + +class CFB8(Mode, ModeWithInitializationVector): + name = "CFB8" + + def __init__(self, initialization_vector: bytes): + utils._check_byteslike("initialization_vector", initialization_vector) + self._initialization_vector = initialization_vector + + initialization_vector = utils.read_only_property("_initialization_vector") + validate_for_algorithm = _check_iv_and_key_length + + +class CTR(Mode, ModeWithNonce): + name = "CTR" + + def __init__(self, nonce: bytes): + utils._check_byteslike("nonce", nonce) + self._nonce = nonce + + nonce = utils.read_only_property("_nonce") + + def validate_for_algorithm(self, algorithm: CipherAlgorithm): + _check_aes_key_length(self, algorithm) + _check_nonce_length(self.nonce, self.name, algorithm) + + +class GCM(Mode, ModeWithInitializationVector, ModeWithAuthenticationTag): + name = "GCM" + _MAX_ENCRYPTED_BYTES = (2 ** 39 - 256) // 8 + _MAX_AAD_BYTES = (2 ** 64) // 8 + + def __init__( + self, + initialization_vector: bytes, + tag: typing.Optional[bytes] = None, + min_tag_length: int = 16, + ): + # OpenSSL 3.0.0 constrains GCM IVs to [64, 1024] bits inclusive + # This is a sane limit anyway so we'll enforce it here. + utils._check_byteslike("initialization_vector", initialization_vector) + if len(initialization_vector) < 8 or len(initialization_vector) > 128: + raise ValueError( + "initialization_vector must be between 8 and 128 bytes (64 " + "and 1024 bits)." + ) + self._initialization_vector = initialization_vector + if tag is not None: + utils._check_bytes("tag", tag) + if min_tag_length < 4: + raise ValueError("min_tag_length must be >= 4") + if len(tag) < min_tag_length: + raise ValueError( + "Authentication tag must be {} bytes or longer.".format( + min_tag_length + ) + ) + self._tag = tag + self._min_tag_length = min_tag_length + + tag = utils.read_only_property("_tag") + initialization_vector = utils.read_only_property("_initialization_vector") + + def validate_for_algorithm(self, algorithm: CipherAlgorithm): + _check_aes_key_length(self, algorithm) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/cmac.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/cmac.py new file mode 100644 index 0000000..1ebdb05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/cmac.py @@ -0,0 +1,65 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import CMACBackend +from cryptography.hazmat.primitives import ciphers + + +class CMAC(object): + def __init__( + self, algorithm: ciphers.BlockCipherAlgorithm, backend=None, ctx=None + ): + backend = _get_backend(backend) + if not isinstance(backend, CMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement CMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not isinstance(algorithm, ciphers.BlockCipherAlgorithm): + raise TypeError("Expected instance of BlockCipherAlgorithm.") + self._algorithm = algorithm + + self._backend = backend + if ctx is None: + self._ctx = self._backend.create_cmac_ctx(self._algorithm) + else: + self._ctx = ctx + + def update(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_bytes("data", data) + self._ctx.update(data) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + digest = self._ctx.finalize() + self._ctx = None + return digest + + def verify(self, signature: bytes) -> None: + utils._check_bytes("signature", signature) + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + ctx, self._ctx = self._ctx, None + ctx.verify(signature) + + def copy(self) -> "CMAC": + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return CMAC( + self._algorithm, backend=self._backend, ctx=self._ctx.copy() + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/constant_time.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/constant_time.py new file mode 100644 index 0000000..a02fa9c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/constant_time.py @@ -0,0 +1,13 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import hmac + + +def bytes_eq(a: bytes, b: bytes) -> bool: + if not isinstance(a, bytes) or not isinstance(b, bytes): + raise TypeError("a and b must be bytes.") + + return hmac.compare_digest(a, b) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hashes.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hashes.py new file mode 100644 index 0000000..33907a3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hashes.py @@ -0,0 +1,247 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import abc +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HashBackend + + +class HashAlgorithm(metaclass=abc.ABCMeta): + @abc.abstractproperty + def name(self) -> str: + """ + A string naming this algorithm (e.g. "sha256", "md5"). + """ + + @abc.abstractproperty + def digest_size(self) -> int: + """ + The size of the resulting digest in bytes. + """ + + @abc.abstractproperty + def block_size(self) -> typing.Optional[int]: + """ + The internal block size of the hash function, or None if the hash + function does not use blocks internally (e.g. SHA3). + """ + + +class HashContext(metaclass=abc.ABCMeta): + @abc.abstractproperty + def algorithm(self) -> HashAlgorithm: + """ + A HashAlgorithm that will be used by this context. + """ + + @abc.abstractmethod + def update(self, data: bytes) -> None: + """ + Processes the provided bytes through the hash. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Finalizes the hash context and returns the hash digest as bytes. + """ + + @abc.abstractmethod + def copy(self) -> "HashContext": + """ + Return a HashContext that is a copy of the current context. + """ + + +class ExtendableOutputFunction(metaclass=abc.ABCMeta): + """ + An interface for extendable output functions. + """ + + +class Hash(HashContext): + def __init__(self, algorithm: HashAlgorithm, backend=None, ctx=None): + backend = _get_backend(backend) + if not isinstance(backend, HashBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HashBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not isinstance(algorithm, HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + self._algorithm = algorithm + + self._backend = backend + + if ctx is None: + self._ctx = self._backend.create_hash_ctx(self.algorithm) + else: + self._ctx = ctx + + algorithm = utils.read_only_property("_algorithm") + + def update(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + utils._check_byteslike("data", data) + self._ctx.update(data) + + def copy(self) -> "Hash": + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return Hash( + self.algorithm, backend=self._backend, ctx=self._ctx.copy() + ) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + digest = self._ctx.finalize() + self._ctx = None + return digest + + +class SHA1(HashAlgorithm): + name = "sha1" + digest_size = 20 + block_size = 64 + + +class SHA512_224(HashAlgorithm): # noqa: N801 + name = "sha512-224" + digest_size = 28 + block_size = 128 + + +class SHA512_256(HashAlgorithm): # noqa: N801 + name = "sha512-256" + digest_size = 32 + block_size = 128 + + +class SHA224(HashAlgorithm): + name = "sha224" + digest_size = 28 + block_size = 64 + + +class SHA256(HashAlgorithm): + name = "sha256" + digest_size = 32 + block_size = 64 + + +class SHA384(HashAlgorithm): + name = "sha384" + digest_size = 48 + block_size = 128 + + +class SHA512(HashAlgorithm): + name = "sha512" + digest_size = 64 + block_size = 128 + + +class SHA3_224(HashAlgorithm): # noqa: N801 + name = "sha3-224" + digest_size = 28 + block_size = None + + +class SHA3_256(HashAlgorithm): # noqa: N801 + name = "sha3-256" + digest_size = 32 + block_size = None + + +class SHA3_384(HashAlgorithm): # noqa: N801 + name = "sha3-384" + digest_size = 48 + block_size = None + + +class SHA3_512(HashAlgorithm): # noqa: N801 + name = "sha3-512" + digest_size = 64 + block_size = None + + +class SHAKE128(HashAlgorithm, ExtendableOutputFunction): + name = "shake128" + block_size = None + + def __init__(self, digest_size: int): + if not isinstance(digest_size, int): + raise TypeError("digest_size must be an integer") + + if digest_size < 1: + raise ValueError("digest_size must be a positive integer") + + self._digest_size = digest_size + + digest_size = utils.read_only_property("_digest_size") + + +class SHAKE256(HashAlgorithm, ExtendableOutputFunction): + name = "shake256" + block_size = None + + def __init__(self, digest_size: int): + if not isinstance(digest_size, int): + raise TypeError("digest_size must be an integer") + + if digest_size < 1: + raise ValueError("digest_size must be a positive integer") + + self._digest_size = digest_size + + digest_size = utils.read_only_property("_digest_size") + + +class MD5(HashAlgorithm): + name = "md5" + digest_size = 16 + block_size = 64 + + +class BLAKE2b(HashAlgorithm): + name = "blake2b" + _max_digest_size = 64 + _min_digest_size = 1 + block_size = 128 + + def __init__(self, digest_size: int): + + if digest_size != 64: + raise ValueError("Digest size must be 64") + + self._digest_size = digest_size + + digest_size = utils.read_only_property("_digest_size") + + +class BLAKE2s(HashAlgorithm): + name = "blake2s" + block_size = 64 + _max_digest_size = 32 + _min_digest_size = 1 + + def __init__(self, digest_size: int): + + if digest_size != 32: + raise ValueError("Digest size must be 32") + + self._digest_size = digest_size + + digest_size = utils.read_only_property("_digest_size") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hmac.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hmac.py new file mode 100644 index 0000000..5911925 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/hmac.py @@ -0,0 +1,74 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.primitives import hashes + + +class HMAC(hashes.HashContext): + def __init__( + self, + key: bytes, + algorithm: hashes.HashAlgorithm, + backend=None, + ctx=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not isinstance(algorithm, hashes.HashAlgorithm): + raise TypeError("Expected instance of hashes.HashAlgorithm.") + self._algorithm = algorithm + + self._backend = backend + self._key = key + if ctx is None: + self._ctx = self._backend.create_hmac_ctx(key, self.algorithm) + else: + self._ctx = ctx + + algorithm = utils.read_only_property("_algorithm") + + def update(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + utils._check_byteslike("data", data) + self._ctx.update(data) + + def copy(self) -> "HMAC": + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + return HMAC( + self._key, + self.algorithm, + backend=self._backend, + ctx=self._ctx.copy(), + ) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + digest = self._ctx.finalize() + self._ctx = None + return digest + + def verify(self, signature: bytes) -> None: + utils._check_bytes("signature", signature) + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + ctx, self._ctx = self._ctx, None + ctx.verify(signature) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/__init__.py new file mode 100644 index 0000000..38e2f8b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/__init__.py @@ -0,0 +1,22 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc + + +class KeyDerivationFunction(metaclass=abc.ABCMeta): + @abc.abstractmethod + def derive(self, key_material: bytes) -> bytes: + """ + Deterministically generates and returns a new key based on the existing + key material. + """ + + @abc.abstractmethod + def verify(self, key_material: bytes, expected_key: bytes) -> None: + """ + Checks whether the key generated by the key material matches the + expected derived key. Raises an exception if they do not match. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py new file mode 100644 index 0000000..4b7fce8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/concatkdf.py @@ -0,0 +1,152 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import struct +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.backends.interfaces import HashBackend +from cryptography.hazmat.primitives import constant_time, hashes, hmac +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +def _int_to_u32be(n: int) -> bytes: + return struct.pack(">I", n) + + +def _common_args_checks( + algorithm: hashes.HashAlgorithm, + length: int, + otherinfo: typing.Optional[bytes], +): + max_length = algorithm.digest_size * (2 ** 32 - 1) + if length > max_length: + raise ValueError( + "Can not derive keys larger than {} bits.".format(max_length) + ) + if otherinfo is not None: + utils._check_bytes("otherinfo", otherinfo) + + +def _concatkdf_derive( + key_material: bytes, + length: int, + auxfn: typing.Callable[[], hashes.HashContext], + otherinfo: bytes, +) -> bytes: + utils._check_byteslike("key_material", key_material) + output = [b""] + outlen = 0 + counter = 1 + + while length > outlen: + h = auxfn() + h.update(_int_to_u32be(counter)) + h.update(key_material) + h.update(otherinfo) + output.append(h.finalize()) + outlen += len(output[-1]) + counter += 1 + + return b"".join(output)[:length] + + +class ConcatKDFHash(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + otherinfo: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + + _common_args_checks(algorithm, length, otherinfo) + self._algorithm = algorithm + self._length = length + self._otherinfo: bytes = otherinfo if otherinfo is not None else b"" + + if not isinstance(backend, HashBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HashBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + self._backend = backend + self._used = False + + def _hash(self) -> hashes.Hash: + return hashes.Hash(self._algorithm, self._backend) + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + return _concatkdf_derive( + key_material, self._length, self._hash, self._otherinfo + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey + + +class ConcatKDFHMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: typing.Optional[bytes], + otherinfo: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + + _common_args_checks(algorithm, length, otherinfo) + self._algorithm = algorithm + self._length = length + self._otherinfo: bytes = otherinfo if otherinfo is not None else b"" + + if algorithm.block_size is None: + raise TypeError( + "{} is unsupported for ConcatKDF".format(algorithm.name) + ) + + if salt is None: + salt = b"\x00" * algorithm.block_size + else: + utils._check_bytes("salt", salt) + + self._salt = salt + + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + self._backend = backend + self._used = False + + def _hmac(self) -> hmac.HMAC: + return hmac.HMAC(self._salt, self._algorithm, self._backend) + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + return _concatkdf_derive( + key_material, self._length, self._hmac, self._otherinfo + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py new file mode 100644 index 0000000..9a05a13 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/hkdf.py @@ -0,0 +1,125 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.primitives import constant_time, hashes, hmac +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class HKDF(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: typing.Optional[bytes], + info: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + self._algorithm = algorithm + + if salt is None: + salt = b"\x00" * self._algorithm.digest_size + else: + utils._check_bytes("salt", salt) + + self._salt = salt + + self._backend = backend + + self._hkdf_expand = HKDFExpand(self._algorithm, length, info, backend) + + def _extract(self, key_material: bytes) -> bytes: + h = hmac.HMAC(self._salt, self._algorithm, backend=self._backend) + h.update(key_material) + return h.finalize() + + def derive(self, key_material: bytes) -> bytes: + utils._check_byteslike("key_material", key_material) + return self._hkdf_expand.derive(self._extract(key_material)) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey + + +class HKDFExpand(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + info: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + self._algorithm = algorithm + + self._backend = backend + + max_length = 255 * algorithm.digest_size + + if length > max_length: + raise ValueError( + "Can not derive keys larger than {} octets.".format(max_length) + ) + + self._length = length + + if info is None: + info = b"" + else: + utils._check_bytes("info", info) + + self._info = info + + self._used = False + + def _expand(self, key_material: bytes) -> bytes: + output = [b""] + counter = 1 + + while self._algorithm.digest_size * (len(output) - 1) < self._length: + h = hmac.HMAC(key_material, self._algorithm, backend=self._backend) + h.update(output[-1]) + h.update(self._info) + h.update(bytes([counter])) + output.append(h.finalize()) + counter += 1 + + return b"".join(output)[: self._length] + + def derive(self, key_material: bytes) -> bytes: + utils._check_byteslike("key_material", key_material) + if self._used: + raise AlreadyFinalized + + self._used = True + return self._expand(key_material) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py new file mode 100644 index 0000000..ac36474 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/kbkdf.py @@ -0,0 +1,159 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing +from enum import Enum + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.primitives import constant_time, hashes, hmac +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class Mode(Enum): + CounterMode = "ctr" + + +class CounterLocation(Enum): + BeforeFixed = "before_fixed" + AfterFixed = "after_fixed" + + +class KBKDFHMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + mode: Mode, + length: int, + rlen: int, + llen: typing.Optional[int], + location: CounterLocation, + label: typing.Optional[bytes], + context: typing.Optional[bytes], + fixed: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not isinstance(algorithm, hashes.HashAlgorithm): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported hash algorithm.", + _Reasons.UNSUPPORTED_HASH, + ) + + if not backend.hmac_supported(algorithm): + raise UnsupportedAlgorithm( + "Algorithm supplied is not a supported hmac algorithm.", + _Reasons.UNSUPPORTED_HASH, + ) + + if not isinstance(mode, Mode): + raise TypeError("mode must be of type Mode") + + if not isinstance(location, CounterLocation): + raise TypeError("location must be of type CounterLocation") + + if (label or context) and fixed: + raise ValueError( + "When supplying fixed data, " "label and context are ignored." + ) + + if rlen is None or not self._valid_byte_length(rlen): + raise ValueError("rlen must be between 1 and 4") + + if llen is None and fixed is None: + raise ValueError("Please specify an llen") + + if llen is not None and not isinstance(llen, int): + raise TypeError("llen must be an integer") + + if label is None: + label = b"" + + if context is None: + context = b"" + + utils._check_bytes("label", label) + utils._check_bytes("context", context) + self._algorithm = algorithm + self._mode = mode + self._length = length + self._rlen = rlen + self._llen = llen + self._location = location + self._label = label + self._context = context + self._backend = backend + self._used = False + self._fixed_data = fixed + + def _valid_byte_length(self, value: int) -> bool: + if not isinstance(value, int): + raise TypeError("value must be of type int") + + value_bin = utils.int_to_bytes(1, value) + if not 1 <= len(value_bin) <= 4: + return False + return True + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + + utils._check_byteslike("key_material", key_material) + self._used = True + + # inverse floor division (equivalent to ceiling) + rounds = -(-self._length // self._algorithm.digest_size) + + output = [b""] + + # For counter mode, the number of iterations shall not be + # larger than 2^r-1, where r <= 32 is the binary length of the counter + # This ensures that the counter values used as an input to the + # PRF will not repeat during a particular call to the KDF function. + r_bin = utils.int_to_bytes(1, self._rlen) + if rounds > pow(2, len(r_bin) * 8) - 1: + raise ValueError("There are too many iterations.") + + for i in range(1, rounds + 1): + h = hmac.HMAC(key_material, self._algorithm, backend=self._backend) + + counter = utils.int_to_bytes(i, self._rlen) + if self._location == CounterLocation.BeforeFixed: + h.update(counter) + + h.update(self._generate_fixed_input()) + + if self._location == CounterLocation.AfterFixed: + h.update(counter) + + output.append(h.finalize()) + + return b"".join(output)[: self._length] + + def _generate_fixed_input(self) -> bytes: + if self._fixed_data and isinstance(self._fixed_data, bytes): + return self._fixed_data + + l_val = utils.int_to_bytes(self._length * 8, self._llen) + + return b"".join([self._label, b"\x00", self._context, l_val]) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py new file mode 100644 index 0000000..d1c10af --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/pbkdf2.py @@ -0,0 +1,67 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import PBKDF2HMACBackend +from cryptography.hazmat.primitives import constant_time, hashes +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +class PBKDF2HMAC(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + salt: bytes, + iterations: int, + backend=None, + ): + backend = _get_backend(backend) + if not isinstance(backend, PBKDF2HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement PBKDF2HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if not backend.pbkdf2_hmac_supported(algorithm): + raise UnsupportedAlgorithm( + "{} is not supported for PBKDF2 by this backend.".format( + algorithm.name + ), + _Reasons.UNSUPPORTED_HASH, + ) + self._used = False + self._algorithm = algorithm + self._length = length + utils._check_bytes("salt", salt) + self._salt = salt + self._iterations = iterations + self._backend = backend + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized("PBKDF2 instances can only be used once.") + self._used = True + + utils._check_byteslike("key_material", key_material) + return self._backend.derive_pbkdf2_hmac( + self._algorithm, + self._length, + self._salt, + self._iterations, + key_material, + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + derived_key = self.derive(key_material) + if not constant_time.bytes_eq(derived_key, expected_key): + raise InvalidKey("Keys do not match.") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py new file mode 100644 index 0000000..7547dca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/scrypt.py @@ -0,0 +1,68 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import sys + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import ScryptBackend +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +# This is used by the scrypt tests to skip tests that require more memory +# than the MEM_LIMIT +_MEM_LIMIT = sys.maxsize // 2 + + +class Scrypt(KeyDerivationFunction): + def __init__( + self, salt: bytes, length: int, n: int, r: int, p: int, backend=None + ): + backend = _get_backend(backend) + if not isinstance(backend, ScryptBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement ScryptBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + self._length = length + utils._check_bytes("salt", salt) + if n < 2 or (n & (n - 1)) != 0: + raise ValueError("n must be greater than 1 and be a power of 2.") + + if r < 1: + raise ValueError("r must be greater than or equal to 1.") + + if p < 1: + raise ValueError("p must be greater than or equal to 1.") + + self._used = False + self._salt = salt + self._n = n + self._r = r + self._p = p + self._backend = backend + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized("Scrypt instances can only be used once.") + self._used = True + + utils._check_byteslike("key_material", key_material) + return self._backend.derive_scrypt( + key_material, self._salt, self._length, self._n, self._r, self._p + ) + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + derived_key = self.derive(key_material) + if not constant_time.bytes_eq(derived_key, expected_key): + raise InvalidKey("Keys do not match.") diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py new file mode 100644 index 0000000..21a47f6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/kdf/x963kdf.py @@ -0,0 +1,79 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import struct +import typing + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + InvalidKey, + UnsupportedAlgorithm, + _Reasons, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HashBackend +from cryptography.hazmat.primitives import constant_time, hashes +from cryptography.hazmat.primitives.kdf import KeyDerivationFunction + + +def _int_to_u32be(n): + return struct.pack(">I", n) + + +class X963KDF(KeyDerivationFunction): + def __init__( + self, + algorithm: hashes.HashAlgorithm, + length: int, + sharedinfo: typing.Optional[bytes], + backend=None, + ): + backend = _get_backend(backend) + + max_len = algorithm.digest_size * (2 ** 32 - 1) + if length > max_len: + raise ValueError( + "Can not derive keys larger than {} bits.".format(max_len) + ) + if sharedinfo is not None: + utils._check_bytes("sharedinfo", sharedinfo) + + self._algorithm = algorithm + self._length = length + self._sharedinfo = sharedinfo + + if not isinstance(backend, HashBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HashBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + self._backend = backend + self._used = False + + def derive(self, key_material: bytes) -> bytes: + if self._used: + raise AlreadyFinalized + self._used = True + utils._check_byteslike("key_material", key_material) + output = [b""] + outlen = 0 + counter = 1 + + while self._length > outlen: + h = hashes.Hash(self._algorithm, self._backend) + h.update(key_material) + h.update(_int_to_u32be(counter)) + if self._sharedinfo is not None: + h.update(self._sharedinfo) + output.append(h.finalize()) + outlen += len(output[-1]) + counter += 1 + + return b"".join(output)[: self._length] + + def verify(self, key_material: bytes, expected_key: bytes) -> None: + if not constant_time.bytes_eq(self.derive(key_material), expected_key): + raise InvalidKey diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/keywrap.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/keywrap.py new file mode 100644 index 0000000..52d49d3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/keywrap.py @@ -0,0 +1,173 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import struct +import typing + +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives.ciphers import Cipher +from cryptography.hazmat.primitives.ciphers.algorithms import AES +from cryptography.hazmat.primitives.ciphers.modes import ECB +from cryptography.hazmat.primitives.constant_time import bytes_eq + + +def _wrap_core( + wrapping_key: bytes, a: bytes, r: typing.List[bytes], backend +) -> bytes: + # RFC 3394 Key Wrap - 2.2.1 (index method) + encryptor = Cipher(AES(wrapping_key), ECB(), backend).encryptor() + n = len(r) + for j in range(6): + for i in range(n): + # every encryption operation is a discrete 16 byte chunk (because + # AES has a 128-bit block size) and since we're using ECB it is + # safe to reuse the encryptor for the entire operation + b = encryptor.update(a + r[i]) + # pack/unpack are safe as these are always 64-bit chunks + a = struct.pack( + ">Q", struct.unpack(">Q", b[:8])[0] ^ ((n * j) + i + 1) + ) + r[i] = b[-8:] + + assert encryptor.finalize() == b"" + + return a + b"".join(r) + + +def aes_key_wrap( + wrapping_key: bytes, key_to_wrap: bytes, backend=None +) -> bytes: + backend = _get_backend(backend) + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + if len(key_to_wrap) < 16: + raise ValueError("The key to wrap must be at least 16 bytes") + + if len(key_to_wrap) % 8 != 0: + raise ValueError("The key to wrap must be a multiple of 8 bytes") + + a = b"\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6" + r = [key_to_wrap[i : i + 8] for i in range(0, len(key_to_wrap), 8)] + return _wrap_core(wrapping_key, a, r, backend) + + +def _unwrap_core( + wrapping_key: bytes, a: bytes, r: typing.List[bytes], backend +) -> typing.Tuple[bytes, typing.List[bytes]]: + # Implement RFC 3394 Key Unwrap - 2.2.2 (index method) + decryptor = Cipher(AES(wrapping_key), ECB(), backend).decryptor() + n = len(r) + for j in reversed(range(6)): + for i in reversed(range(n)): + # pack/unpack are safe as these are always 64-bit chunks + atr = ( + struct.pack( + ">Q", struct.unpack(">Q", a)[0] ^ ((n * j) + i + 1) + ) + + r[i] + ) + # every decryption operation is a discrete 16 byte chunk so + # it is safe to reuse the decryptor for the entire operation + b = decryptor.update(atr) + a = b[:8] + r[i] = b[-8:] + + assert decryptor.finalize() == b"" + return a, r + + +def aes_key_wrap_with_padding( + wrapping_key: bytes, key_to_wrap: bytes, backend=None +) -> bytes: + backend = _get_backend(backend) + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + aiv = b"\xA6\x59\x59\xA6" + struct.pack(">i", len(key_to_wrap)) + # pad the key to wrap if necessary + pad = (8 - (len(key_to_wrap) % 8)) % 8 + key_to_wrap = key_to_wrap + b"\x00" * pad + if len(key_to_wrap) == 8: + # RFC 5649 - 4.1 - exactly 8 octets after padding + encryptor = Cipher(AES(wrapping_key), ECB(), backend).encryptor() + b = encryptor.update(aiv + key_to_wrap) + assert encryptor.finalize() == b"" + return b + else: + r = [key_to_wrap[i : i + 8] for i in range(0, len(key_to_wrap), 8)] + return _wrap_core(wrapping_key, aiv, r, backend) + + +def aes_key_unwrap_with_padding( + wrapping_key: bytes, wrapped_key: bytes, backend=None +) -> bytes: + backend = _get_backend(backend) + if len(wrapped_key) < 16: + raise InvalidUnwrap("Must be at least 16 bytes") + + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + if len(wrapped_key) == 16: + # RFC 5649 - 4.2 - exactly two 64-bit blocks + decryptor = Cipher(AES(wrapping_key), ECB(), backend).decryptor() + b = decryptor.update(wrapped_key) + assert decryptor.finalize() == b"" + a = b[:8] + data = b[8:] + n = 1 + else: + r = [wrapped_key[i : i + 8] for i in range(0, len(wrapped_key), 8)] + encrypted_aiv = r.pop(0) + n = len(r) + a, r = _unwrap_core(wrapping_key, encrypted_aiv, r, backend) + data = b"".join(r) + + # 1) Check that MSB(32,A) = A65959A6. + # 2) Check that 8*(n-1) < LSB(32,A) <= 8*n. If so, let + # MLI = LSB(32,A). + # 3) Let b = (8*n)-MLI, and then check that the rightmost b octets of + # the output data are zero. + (mli,) = struct.unpack(">I", a[4:]) + b = (8 * n) - mli + if ( + not bytes_eq(a[:4], b"\xa6\x59\x59\xa6") + or not 8 * (n - 1) < mli <= 8 * n + or (b != 0 and not bytes_eq(data[-b:], b"\x00" * b)) + ): + raise InvalidUnwrap() + + if b == 0: + return data + else: + return data[:-b] + + +def aes_key_unwrap( + wrapping_key: bytes, wrapped_key: bytes, backend=None +) -> bytes: + backend = _get_backend(backend) + if len(wrapped_key) < 24: + raise InvalidUnwrap("Must be at least 24 bytes") + + if len(wrapped_key) % 8 != 0: + raise InvalidUnwrap("The wrapped key must be a multiple of 8 bytes") + + if len(wrapping_key) not in [16, 24, 32]: + raise ValueError("The wrapping key must be a valid AES key length") + + aiv = b"\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6" + r = [wrapped_key[i : i + 8] for i in range(0, len(wrapped_key), 8)] + a = r.pop(0) + a, r = _unwrap_core(wrapping_key, a, r, backend) + if not bytes_eq(a, aiv): + raise InvalidUnwrap() + + return b"".join(r) + + +class InvalidUnwrap(Exception): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/padding.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/padding.py new file mode 100644 index 0000000..e6f46eb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/padding.py @@ -0,0 +1,221 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import typing + +from cryptography import utils +from cryptography.exceptions import AlreadyFinalized +from cryptography.hazmat.bindings._padding import lib + + +class PaddingContext(metaclass=abc.ABCMeta): + @abc.abstractmethod + def update(self, data: bytes) -> bytes: + """ + Pads the provided bytes and returns any available data as bytes. + """ + + @abc.abstractmethod + def finalize(self) -> bytes: + """ + Finalize the padding, returns bytes. + """ + + +def _byte_padding_check(block_size: int) -> None: + if not (0 <= block_size <= 2040): + raise ValueError("block_size must be in range(0, 2041).") + + if block_size % 8 != 0: + raise ValueError("block_size must be a multiple of 8.") + + +def _byte_padding_update( + buffer_: typing.Optional[bytes], data: bytes, block_size: int +) -> typing.Tuple[bytes, bytes]: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_byteslike("data", data) + + buffer_ += bytes(data) + + finished_blocks = len(buffer_) // (block_size // 8) + + result = buffer_[: finished_blocks * (block_size // 8)] + buffer_ = buffer_[finished_blocks * (block_size // 8) :] + + return buffer_, result + + +def _byte_padding_pad( + buffer_: typing.Optional[bytes], + block_size: int, + paddingfn: typing.Callable[[int], bytes], +) -> bytes: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + pad_size = block_size // 8 - len(buffer_) + return buffer_ + paddingfn(pad_size) + + +def _byte_unpadding_update( + buffer_: typing.Optional[bytes], data: bytes, block_size: int +) -> typing.Tuple[bytes, bytes]: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + utils._check_byteslike("data", data) + + buffer_ += bytes(data) + + finished_blocks = max(len(buffer_) // (block_size // 8) - 1, 0) + + result = buffer_[: finished_blocks * (block_size // 8)] + buffer_ = buffer_[finished_blocks * (block_size // 8) :] + + return buffer_, result + + +def _byte_unpadding_check( + buffer_: typing.Optional[bytes], + block_size: int, + checkfn: typing.Callable[[bytes, int], int], +) -> bytes: + if buffer_ is None: + raise AlreadyFinalized("Context was already finalized.") + + if len(buffer_) != block_size // 8: + raise ValueError("Invalid padding bytes.") + + valid = checkfn(buffer_, block_size // 8) + + if not valid: + raise ValueError("Invalid padding bytes.") + + pad_size = buffer_[-1] + return buffer_[:-pad_size] + + +class PKCS7(object): + def __init__(self, block_size: int): + _byte_padding_check(block_size) + self.block_size = block_size + + def padder(self): + return _PKCS7PaddingContext(self.block_size) + + def unpadder(self): + return _PKCS7UnpaddingContext(self.block_size) + + +class _PKCS7PaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_padding_update( + self._buffer, data, self.block_size + ) + return result + + def _padding(self, size: int) -> bytes: + return bytes([size]) * size + + def finalize(self) -> bytes: + result = _byte_padding_pad( + self._buffer, self.block_size, self._padding + ) + self._buffer = None + return result + + +class _PKCS7UnpaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_unpadding_update( + self._buffer, data, self.block_size + ) + return result + + def finalize(self) -> bytes: + result = _byte_unpadding_check( + self._buffer, self.block_size, lib.Cryptography_check_pkcs7_padding + ) + self._buffer = None + return result + + +class ANSIX923(object): + def __init__(self, block_size: int): + _byte_padding_check(block_size) + self.block_size = block_size + + def padder(self) -> PaddingContext: + return _ANSIX923PaddingContext(self.block_size) + + def unpadder(self) -> PaddingContext: + return _ANSIX923UnpaddingContext(self.block_size) + + +class _ANSIX923PaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_padding_update( + self._buffer, data, self.block_size + ) + return result + + def _padding(self, size: int) -> bytes: + return bytes([0]) * (size - 1) + bytes([size]) + + def finalize(self) -> bytes: + result = _byte_padding_pad( + self._buffer, self.block_size, self._padding + ) + self._buffer = None + return result + + +class _ANSIX923UnpaddingContext(PaddingContext): + _buffer: typing.Optional[bytes] + + def __init__(self, block_size: int): + self.block_size = block_size + # TODO: more copies than necessary, we should use zero-buffer (#193) + self._buffer = b"" + + def update(self, data: bytes) -> bytes: + self._buffer, result = _byte_unpadding_update( + self._buffer, data, self.block_size + ) + return result + + def finalize(self) -> bytes: + result = _byte_unpadding_check( + self._buffer, + self.block_size, + lib.Cryptography_check_ansix923_padding, + ) + self._buffer = None + return result diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/poly1305.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/poly1305.py new file mode 100644 index 0000000..f7819ea --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/poly1305.py @@ -0,0 +1,56 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography import utils +from cryptography.exceptions import ( + AlreadyFinalized, + UnsupportedAlgorithm, + _Reasons, +) + + +class Poly1305(object): + def __init__(self, key: bytes): + from cryptography.hazmat.backends.openssl.backend import backend + + if not backend.poly1305_supported(): + raise UnsupportedAlgorithm( + "poly1305 is not supported by this version of OpenSSL.", + _Reasons.UNSUPPORTED_MAC, + ) + self._ctx = backend.create_poly1305_ctx(key) + + def update(self, data: bytes) -> None: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + utils._check_byteslike("data", data) + self._ctx.update(data) + + def finalize(self) -> bytes: + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + mac = self._ctx.finalize() + self._ctx = None + return mac + + def verify(self, tag: bytes) -> None: + utils._check_bytes("tag", tag) + if self._ctx is None: + raise AlreadyFinalized("Context was already finalized.") + + ctx, self._ctx = self._ctx, None + ctx.verify(tag) + + @classmethod + def generate_tag(cls, key: bytes, data: bytes) -> bytes: + p = Poly1305(key) + p.update(data) + return p.finalize() + + @classmethod + def verify_tag(cls, key: bytes, data: bytes, tag: bytes) -> None: + p = Poly1305(key) + p.update(data) + p.verify(tag) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/__init__.py new file mode 100644 index 0000000..1e0174b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/__init__.py @@ -0,0 +1,45 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.hazmat.primitives._serialization import ( + BestAvailableEncryption, + Encoding, + KeySerializationEncryption, + NoEncryption, + ParameterFormat, + PrivateFormat, + PublicFormat, +) +from cryptography.hazmat.primitives.serialization.base import ( + load_der_parameters, + load_der_private_key, + load_der_public_key, + load_pem_parameters, + load_pem_private_key, + load_pem_public_key, +) +from cryptography.hazmat.primitives.serialization.ssh import ( + load_ssh_private_key, + load_ssh_public_key, +) + + +__all__ = [ + "load_der_parameters", + "load_der_private_key", + "load_der_public_key", + "load_pem_parameters", + "load_pem_private_key", + "load_pem_public_key", + "load_ssh_private_key", + "load_ssh_public_key", + "Encoding", + "PrivateFormat", + "PublicFormat", + "ParameterFormat", + "KeySerializationEncryption", + "BestAvailableEncryption", + "NoEncryption", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/base.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/base.py new file mode 100644 index 0000000..9f7531d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/base.py @@ -0,0 +1,47 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import typing + +from cryptography.hazmat._types import ( + _PRIVATE_KEY_TYPES, + _PUBLIC_KEY_TYPES, +) +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives.asymmetric import dh + + +def load_pem_private_key( + data: bytes, password: typing.Optional[bytes], backend=None +) -> _PRIVATE_KEY_TYPES: + backend = _get_backend(backend) + return backend.load_pem_private_key(data, password) + + +def load_pem_public_key(data: bytes, backend=None) -> _PUBLIC_KEY_TYPES: + backend = _get_backend(backend) + return backend.load_pem_public_key(data) + + +def load_pem_parameters(data: bytes, backend=None) -> "dh.DHParameters": + backend = _get_backend(backend) + return backend.load_pem_parameters(data) + + +def load_der_private_key( + data: bytes, password: typing.Optional[bytes], backend=None +) -> _PRIVATE_KEY_TYPES: + backend = _get_backend(backend) + return backend.load_der_private_key(data, password) + + +def load_der_public_key(data: bytes, backend=None) -> _PUBLIC_KEY_TYPES: + backend = _get_backend(backend) + return backend.load_der_public_key(data) + + +def load_der_parameters(data: bytes, backend=None) -> "dh.DHParameters": + backend = _get_backend(backend) + return backend.load_der_parameters(data) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py new file mode 100644 index 0000000..1dabfca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs12.py @@ -0,0 +1,69 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography import x509 +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import serialization +from cryptography.hazmat.primitives.asymmetric import dsa, ec, rsa + + +_ALLOWED_PKCS12_TYPES = typing.Union[ + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, +] + + +def load_key_and_certificates( + data: bytes, password: typing.Optional[bytes], backend=None +) -> typing.Tuple[ + typing.Optional[_ALLOWED_PKCS12_TYPES], + typing.Optional[x509.Certificate], + typing.List[x509.Certificate], +]: + backend = _get_backend(backend) + return backend.load_key_and_certificates_from_pkcs12(data, password) + + +def serialize_key_and_certificates( + name: typing.Optional[bytes], + key: typing.Optional[_ALLOWED_PKCS12_TYPES], + cert: typing.Optional[x509.Certificate], + cas: typing.Optional[typing.Iterable[x509.Certificate]], + encryption_algorithm: serialization.KeySerializationEncryption, +) -> bytes: + if key is not None and not isinstance( + key, + ( + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ec.EllipticCurvePrivateKey, + ), + ): + raise TypeError("Key must be RSA, DSA, or EllipticCurve private key.") + if cert is not None and not isinstance(cert, x509.Certificate): + raise TypeError("cert must be a certificate") + + if cas is not None: + cas = list(cas) + if not all(isinstance(val, x509.Certificate) for val in cas): + raise TypeError("all values in cas must be certificates") + + if not isinstance( + encryption_algorithm, serialization.KeySerializationEncryption + ): + raise TypeError( + "Key encryption algorithm must be a " + "KeySerializationEncryption instance" + ) + + if key is None and cert is None and not cas: + raise ValueError("You must supply at least one of key, cert, or cas") + + backend = _get_backend(None) + return backend.serialize_key_and_certificates_to_pkcs12( + name, key, cert, cas, encryption_algorithm + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py new file mode 100644 index 0000000..bcd9e33 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/pkcs7.py @@ -0,0 +1,156 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing +from enum import Enum + +from cryptography import x509 +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ec, rsa +from cryptography.utils import _check_byteslike + + +def load_pem_pkcs7_certificates(data: bytes) -> typing.List[x509.Certificate]: + backend = _get_backend(None) + return backend.load_pem_pkcs7_certificates(data) + + +def load_der_pkcs7_certificates(data: bytes) -> typing.List[x509.Certificate]: + backend = _get_backend(None) + return backend.load_der_pkcs7_certificates(data) + + +_ALLOWED_PKCS7_HASH_TYPES = typing.Union[ + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, +] + +_ALLOWED_PRIVATE_KEY_TYPES = typing.Union[ + rsa.RSAPrivateKey, ec.EllipticCurvePrivateKey +] + + +class PKCS7Options(Enum): + Text = "Add text/plain MIME type" + Binary = "Don't translate input data into canonical MIME format" + DetachedSignature = "Don't embed data in the PKCS7 structure" + NoCapabilities = "Don't embed SMIME capabilities" + NoAttributes = "Don't embed authenticatedAttributes" + NoCerts = "Don't embed signer certificate" + + +class PKCS7SignatureBuilder(object): + def __init__(self, data=None, signers=[], additional_certs=[]): + self._data = data + self._signers = signers + self._additional_certs = additional_certs + + def set_data(self, data: bytes) -> "PKCS7SignatureBuilder": + _check_byteslike("data", data) + if self._data is not None: + raise ValueError("data may only be set once") + + return PKCS7SignatureBuilder(data, self._signers) + + def add_signer( + self, + certificate: x509.Certificate, + private_key: _ALLOWED_PRIVATE_KEY_TYPES, + hash_algorithm: _ALLOWED_PKCS7_HASH_TYPES, + ) -> "PKCS7SignatureBuilder": + if not isinstance( + hash_algorithm, + ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, + ), + ): + raise TypeError( + "hash_algorithm must be one of hashes.SHA1, SHA224, " + "SHA256, SHA384, or SHA512" + ) + if not isinstance(certificate, x509.Certificate): + raise TypeError("certificate must be a x509.Certificate") + + if not isinstance( + private_key, (rsa.RSAPrivateKey, ec.EllipticCurvePrivateKey) + ): + raise TypeError("Only RSA & EC keys are supported at this time.") + + return PKCS7SignatureBuilder( + self._data, + self._signers + [(certificate, private_key, hash_algorithm)], + ) + + def add_certificate( + self, certificate: x509.Certificate + ) -> "PKCS7SignatureBuilder": + if not isinstance(certificate, x509.Certificate): + raise TypeError("certificate must be a x509.Certificate") + + return PKCS7SignatureBuilder( + self._data, self._signers, self._additional_certs + [certificate] + ) + + def sign( + self, + encoding: serialization.Encoding, + options: typing.Iterable[PKCS7Options], + backend=None, + ) -> bytes: + if len(self._signers) == 0: + raise ValueError("Must have at least one signer") + if self._data is None: + raise ValueError("You must add data to sign") + options = list(options) + if not all(isinstance(x, PKCS7Options) for x in options): + raise ValueError("options must be from the PKCS7Options enum") + if encoding not in ( + serialization.Encoding.PEM, + serialization.Encoding.DER, + serialization.Encoding.SMIME, + ): + raise ValueError( + "Must be PEM, DER, or SMIME from the Encoding enum" + ) + + # Text is a meaningless option unless it is accompanied by + # DetachedSignature + if ( + PKCS7Options.Text in options + and PKCS7Options.DetachedSignature not in options + ): + raise ValueError( + "When passing the Text option you must also pass " + "DetachedSignature" + ) + + if PKCS7Options.Text in options and encoding in ( + serialization.Encoding.DER, + serialization.Encoding.PEM, + ): + raise ValueError( + "The Text option is only available for SMIME serialization" + ) + + # No attributes implies no capabilities so we'll error if you try to + # pass both. + if ( + PKCS7Options.NoAttributes in options + and PKCS7Options.NoCapabilities in options + ): + raise ValueError( + "NoAttributes is a superset of NoCapabilities. Do not pass " + "both values." + ) + + backend = _get_backend(backend) + return backend.pkcs7_sign(self, encoding, options) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/ssh.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/ssh.py new file mode 100644 index 0000000..f276c1e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/serialization/ssh.py @@ -0,0 +1,707 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import binascii +import os +import re +import struct +import typing +from base64 import encodebytes as _base64_encode + +from cryptography import utils +from cryptography.exceptions import UnsupportedAlgorithm +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives.asymmetric import dsa, ec, ed25519, rsa +from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes +from cryptography.hazmat.primitives.serialization import ( + Encoding, + NoEncryption, + PrivateFormat, + PublicFormat, +) + +try: + from bcrypt import kdf as _bcrypt_kdf + + _bcrypt_supported = True +except ImportError: + _bcrypt_supported = False + + def _bcrypt_kdf( + password: bytes, + salt: bytes, + desired_key_bytes: int, + rounds: int, + ignore_few_rounds: bool = False, + ) -> bytes: + raise UnsupportedAlgorithm("Need bcrypt module") + + +_SSH_ED25519 = b"ssh-ed25519" +_SSH_RSA = b"ssh-rsa" +_SSH_DSA = b"ssh-dss" +_ECDSA_NISTP256 = b"ecdsa-sha2-nistp256" +_ECDSA_NISTP384 = b"ecdsa-sha2-nistp384" +_ECDSA_NISTP521 = b"ecdsa-sha2-nistp521" +_CERT_SUFFIX = b"-cert-v01@openssh.com" + +_SSH_PUBKEY_RC = re.compile(br"\A(\S+)[ \t]+(\S+)") +_SK_MAGIC = b"openssh-key-v1\0" +_SK_START = b"-----BEGIN OPENSSH PRIVATE KEY-----" +_SK_END = b"-----END OPENSSH PRIVATE KEY-----" +_BCRYPT = b"bcrypt" +_NONE = b"none" +_DEFAULT_CIPHER = b"aes256-ctr" +_DEFAULT_ROUNDS = 16 +_MAX_PASSWORD = 72 + +# re is only way to work on bytes-like data +_PEM_RC = re.compile(_SK_START + b"(.*?)" + _SK_END, re.DOTALL) + +# padding for max blocksize +_PADDING = memoryview(bytearray(range(1, 1 + 16))) + +# ciphers that are actually used in key wrapping +_SSH_CIPHERS = { + b"aes256-ctr": (algorithms.AES, 32, modes.CTR, 16), + b"aes256-cbc": (algorithms.AES, 32, modes.CBC, 16), +} + +# map local curve name to key type +_ECDSA_KEY_TYPE = { + "secp256r1": _ECDSA_NISTP256, + "secp384r1": _ECDSA_NISTP384, + "secp521r1": _ECDSA_NISTP521, +} + +_U32 = struct.Struct(b">I") +_U64 = struct.Struct(b">Q") + + +def _ecdsa_key_type(public_key): + """Return SSH key_type and curve_name for private key.""" + curve = public_key.curve + if curve.name not in _ECDSA_KEY_TYPE: + raise ValueError( + "Unsupported curve for ssh private key: %r" % curve.name + ) + return _ECDSA_KEY_TYPE[curve.name] + + +def _ssh_pem_encode(data, prefix=_SK_START + b"\n", suffix=_SK_END + b"\n"): + return b"".join([prefix, _base64_encode(data), suffix]) + + +def _check_block_size(data, block_len): + """Require data to be full blocks""" + if not data or len(data) % block_len != 0: + raise ValueError("Corrupt data: missing padding") + + +def _check_empty(data): + """All data should have been parsed.""" + if data: + raise ValueError("Corrupt data: unparsed data") + + +def _init_cipher(ciphername, password, salt, rounds, backend): + """Generate key + iv and return cipher.""" + if not password: + raise ValueError("Key is password-protected.") + + algo, key_len, mode, iv_len = _SSH_CIPHERS[ciphername] + seed = _bcrypt_kdf(password, salt, key_len + iv_len, rounds, True) + return Cipher(algo(seed[:key_len]), mode(seed[key_len:]), backend) + + +def _get_u32(data): + """Uint32""" + if len(data) < 4: + raise ValueError("Invalid data") + return _U32.unpack(data[:4])[0], data[4:] + + +def _get_u64(data): + """Uint64""" + if len(data) < 8: + raise ValueError("Invalid data") + return _U64.unpack(data[:8])[0], data[8:] + + +def _get_sshstr(data): + """Bytes with u32 length prefix""" + n, data = _get_u32(data) + if n > len(data): + raise ValueError("Invalid data") + return data[:n], data[n:] + + +def _get_mpint(data): + """Big integer.""" + val, data = _get_sshstr(data) + if val and val[0] > 0x7F: + raise ValueError("Invalid data") + return int.from_bytes(val, "big"), data + + +def _to_mpint(val): + """Storage format for signed bigint.""" + if val < 0: + raise ValueError("negative mpint not allowed") + if not val: + return b"" + nbytes = (val.bit_length() + 8) // 8 + return utils.int_to_bytes(val, nbytes) + + +class _FragList(object): + """Build recursive structure without data copy.""" + + def __init__(self, init=None): + self.flist = [] + if init: + self.flist.extend(init) + + def put_raw(self, val): + """Add plain bytes""" + self.flist.append(val) + + def put_u32(self, val): + """Big-endian uint32""" + self.flist.append(_U32.pack(val)) + + def put_sshstr(self, val): + """Bytes prefixed with u32 length""" + if isinstance(val, (bytes, memoryview, bytearray)): + self.put_u32(len(val)) + self.flist.append(val) + else: + self.put_u32(val.size()) + self.flist.extend(val.flist) + + def put_mpint(self, val): + """Big-endian bigint prefixed with u32 length""" + self.put_sshstr(_to_mpint(val)) + + def size(self): + """Current number of bytes""" + return sum(map(len, self.flist)) + + def render(self, dstbuf, pos=0): + """Write into bytearray""" + for frag in self.flist: + flen = len(frag) + start, pos = pos, pos + flen + dstbuf[start:pos] = frag + return pos + + def tobytes(self): + """Return as bytes""" + buf = memoryview(bytearray(self.size())) + self.render(buf) + return buf.tobytes() + + +class _SSHFormatRSA(object): + """Format for RSA keys. + + Public: + mpint e, n + Private: + mpint n, e, d, iqmp, p, q + """ + + def get_public(self, data): + """RSA public fields""" + e, data = _get_mpint(data) + n, data = _get_mpint(data) + return (e, n), data + + def load_public(self, key_type, data, backend): + """Make RSA public key from data.""" + (e, n), data = self.get_public(data) + public_numbers = rsa.RSAPublicNumbers(e, n) + public_key = public_numbers.public_key(backend) + return public_key, data + + def load_private(self, data, pubfields, backend): + """Make RSA private key from data.""" + n, data = _get_mpint(data) + e, data = _get_mpint(data) + d, data = _get_mpint(data) + iqmp, data = _get_mpint(data) + p, data = _get_mpint(data) + q, data = _get_mpint(data) + + if (e, n) != pubfields: + raise ValueError("Corrupt data: rsa field mismatch") + dmp1 = rsa.rsa_crt_dmp1(d, p) + dmq1 = rsa.rsa_crt_dmq1(d, q) + public_numbers = rsa.RSAPublicNumbers(e, n) + private_numbers = rsa.RSAPrivateNumbers( + p, q, d, dmp1, dmq1, iqmp, public_numbers + ) + private_key = private_numbers.private_key(backend) + return private_key, data + + def encode_public(self, public_key, f_pub): + """Write RSA public key""" + pubn = public_key.public_numbers() + f_pub.put_mpint(pubn.e) + f_pub.put_mpint(pubn.n) + + def encode_private(self, private_key, f_priv): + """Write RSA private key""" + private_numbers = private_key.private_numbers() + public_numbers = private_numbers.public_numbers + + f_priv.put_mpint(public_numbers.n) + f_priv.put_mpint(public_numbers.e) + + f_priv.put_mpint(private_numbers.d) + f_priv.put_mpint(private_numbers.iqmp) + f_priv.put_mpint(private_numbers.p) + f_priv.put_mpint(private_numbers.q) + + +class _SSHFormatDSA(object): + """Format for DSA keys. + + Public: + mpint p, q, g, y + Private: + mpint p, q, g, y, x + """ + + def get_public(self, data): + """DSA public fields""" + p, data = _get_mpint(data) + q, data = _get_mpint(data) + g, data = _get_mpint(data) + y, data = _get_mpint(data) + return (p, q, g, y), data + + def load_public(self, key_type, data, backend): + """Make DSA public key from data.""" + (p, q, g, y), data = self.get_public(data) + parameter_numbers = dsa.DSAParameterNumbers(p, q, g) + public_numbers = dsa.DSAPublicNumbers(y, parameter_numbers) + self._validate(public_numbers) + public_key = public_numbers.public_key(backend) + return public_key, data + + def load_private(self, data, pubfields, backend): + """Make DSA private key from data.""" + (p, q, g, y), data = self.get_public(data) + x, data = _get_mpint(data) + + if (p, q, g, y) != pubfields: + raise ValueError("Corrupt data: dsa field mismatch") + parameter_numbers = dsa.DSAParameterNumbers(p, q, g) + public_numbers = dsa.DSAPublicNumbers(y, parameter_numbers) + self._validate(public_numbers) + private_numbers = dsa.DSAPrivateNumbers(x, public_numbers) + private_key = private_numbers.private_key(backend) + return private_key, data + + def encode_public(self, public_key, f_pub): + """Write DSA public key""" + public_numbers = public_key.public_numbers() + parameter_numbers = public_numbers.parameter_numbers + self._validate(public_numbers) + + f_pub.put_mpint(parameter_numbers.p) + f_pub.put_mpint(parameter_numbers.q) + f_pub.put_mpint(parameter_numbers.g) + f_pub.put_mpint(public_numbers.y) + + def encode_private(self, private_key, f_priv): + """Write DSA private key""" + self.encode_public(private_key.public_key(), f_priv) + f_priv.put_mpint(private_key.private_numbers().x) + + def _validate(self, public_numbers): + parameter_numbers = public_numbers.parameter_numbers + if parameter_numbers.p.bit_length() != 1024: + raise ValueError("SSH supports only 1024 bit DSA keys") + + +class _SSHFormatECDSA(object): + """Format for ECDSA keys. + + Public: + str curve + bytes point + Private: + str curve + bytes point + mpint secret + """ + + def __init__(self, ssh_curve_name, curve): + self.ssh_curve_name = ssh_curve_name + self.curve = curve + + def get_public(self, data): + """ECDSA public fields""" + curve, data = _get_sshstr(data) + point, data = _get_sshstr(data) + if curve != self.ssh_curve_name: + raise ValueError("Curve name mismatch") + if point[0] != 4: + raise NotImplementedError("Need uncompressed point") + return (curve, point), data + + def load_public(self, key_type, data, backend): + """Make ECDSA public key from data.""" + (curve_name, point), data = self.get_public(data) + public_key = ec.EllipticCurvePublicKey.from_encoded_point( + self.curve, point.tobytes() + ) + return public_key, data + + def load_private(self, data, pubfields, backend): + """Make ECDSA private key from data.""" + (curve_name, point), data = self.get_public(data) + secret, data = _get_mpint(data) + + if (curve_name, point) != pubfields: + raise ValueError("Corrupt data: ecdsa field mismatch") + private_key = ec.derive_private_key(secret, self.curve, backend) + return private_key, data + + def encode_public(self, public_key, f_pub): + """Write ECDSA public key""" + point = public_key.public_bytes( + Encoding.X962, PublicFormat.UncompressedPoint + ) + f_pub.put_sshstr(self.ssh_curve_name) + f_pub.put_sshstr(point) + + def encode_private(self, private_key, f_priv): + """Write ECDSA private key""" + public_key = private_key.public_key() + private_numbers = private_key.private_numbers() + + self.encode_public(public_key, f_priv) + f_priv.put_mpint(private_numbers.private_value) + + +class _SSHFormatEd25519(object): + """Format for Ed25519 keys. + + Public: + bytes point + Private: + bytes point + bytes secret_and_point + """ + + def get_public(self, data): + """Ed25519 public fields""" + point, data = _get_sshstr(data) + return (point,), data + + def load_public(self, key_type, data, backend): + """Make Ed25519 public key from data.""" + (point,), data = self.get_public(data) + public_key = ed25519.Ed25519PublicKey.from_public_bytes( + point.tobytes() + ) + return public_key, data + + def load_private(self, data, pubfields, backend): + """Make Ed25519 private key from data.""" + (point,), data = self.get_public(data) + keypair, data = _get_sshstr(data) + + secret = keypair[:32] + point2 = keypair[32:] + if point != point2 or (point,) != pubfields: + raise ValueError("Corrupt data: ed25519 field mismatch") + private_key = ed25519.Ed25519PrivateKey.from_private_bytes(secret) + return private_key, data + + def encode_public(self, public_key, f_pub): + """Write Ed25519 public key""" + raw_public_key = public_key.public_bytes( + Encoding.Raw, PublicFormat.Raw + ) + f_pub.put_sshstr(raw_public_key) + + def encode_private(self, private_key, f_priv): + """Write Ed25519 private key""" + public_key = private_key.public_key() + raw_private_key = private_key.private_bytes( + Encoding.Raw, PrivateFormat.Raw, NoEncryption() + ) + raw_public_key = public_key.public_bytes( + Encoding.Raw, PublicFormat.Raw + ) + f_keypair = _FragList([raw_private_key, raw_public_key]) + + self.encode_public(public_key, f_priv) + f_priv.put_sshstr(f_keypair) + + +_KEY_FORMATS = { + _SSH_RSA: _SSHFormatRSA(), + _SSH_DSA: _SSHFormatDSA(), + _SSH_ED25519: _SSHFormatEd25519(), + _ECDSA_NISTP256: _SSHFormatECDSA(b"nistp256", ec.SECP256R1()), + _ECDSA_NISTP384: _SSHFormatECDSA(b"nistp384", ec.SECP384R1()), + _ECDSA_NISTP521: _SSHFormatECDSA(b"nistp521", ec.SECP521R1()), +} + + +def _lookup_kformat(key_type): + """Return valid format or throw error""" + if not isinstance(key_type, bytes): + key_type = memoryview(key_type).tobytes() + if key_type in _KEY_FORMATS: + return _KEY_FORMATS[key_type] + raise UnsupportedAlgorithm("Unsupported key type: %r" % key_type) + + +_SSH_PRIVATE_KEY_TYPES = typing.Union[ + ec.EllipticCurvePrivateKey, + rsa.RSAPrivateKey, + dsa.DSAPrivateKey, + ed25519.Ed25519PrivateKey, +] + + +def load_ssh_private_key( + data: bytes, password: typing.Optional[bytes], backend=None +) -> _SSH_PRIVATE_KEY_TYPES: + """Load private key from OpenSSH custom encoding.""" + utils._check_byteslike("data", data) + backend = _get_backend(backend) + if password is not None: + utils._check_bytes("password", password) + + m = _PEM_RC.search(data) + if not m: + raise ValueError("Not OpenSSH private key format") + p1 = m.start(1) + p2 = m.end(1) + data = binascii.a2b_base64(memoryview(data)[p1:p2]) + if not data.startswith(_SK_MAGIC): + raise ValueError("Not OpenSSH private key format") + data = memoryview(data)[len(_SK_MAGIC) :] + + # parse header + ciphername, data = _get_sshstr(data) + kdfname, data = _get_sshstr(data) + kdfoptions, data = _get_sshstr(data) + nkeys, data = _get_u32(data) + if nkeys != 1: + raise ValueError("Only one key supported") + + # load public key data + pubdata, data = _get_sshstr(data) + pub_key_type, pubdata = _get_sshstr(pubdata) + kformat = _lookup_kformat(pub_key_type) + pubfields, pubdata = kformat.get_public(pubdata) + _check_empty(pubdata) + + # load secret data + edata, data = _get_sshstr(data) + _check_empty(data) + + if (ciphername, kdfname) != (_NONE, _NONE): + ciphername = ciphername.tobytes() + if ciphername not in _SSH_CIPHERS: + raise UnsupportedAlgorithm("Unsupported cipher: %r" % ciphername) + if kdfname != _BCRYPT: + raise UnsupportedAlgorithm("Unsupported KDF: %r" % kdfname) + blklen = _SSH_CIPHERS[ciphername][3] + _check_block_size(edata, blklen) + salt, kbuf = _get_sshstr(kdfoptions) + rounds, kbuf = _get_u32(kbuf) + _check_empty(kbuf) + ciph = _init_cipher( + ciphername, password, salt.tobytes(), rounds, backend + ) + edata = memoryview(ciph.decryptor().update(edata)) + else: + blklen = 8 + _check_block_size(edata, blklen) + ck1, edata = _get_u32(edata) + ck2, edata = _get_u32(edata) + if ck1 != ck2: + raise ValueError("Corrupt data: broken checksum") + + # load per-key struct + key_type, edata = _get_sshstr(edata) + if key_type != pub_key_type: + raise ValueError("Corrupt data: key type mismatch") + private_key, edata = kformat.load_private(edata, pubfields, backend) + comment, edata = _get_sshstr(edata) + + # yes, SSH does padding check *after* all other parsing is done. + # need to follow as it writes zero-byte padding too. + if edata != _PADDING[: len(edata)]: + raise ValueError("Corrupt data: invalid padding") + + return private_key + + +def serialize_ssh_private_key( + private_key: _SSH_PRIVATE_KEY_TYPES, + password: typing.Optional[bytes] = None, +): + """Serialize private key with OpenSSH custom encoding.""" + if password is not None: + utils._check_bytes("password", password) + if password and len(password) > _MAX_PASSWORD: + raise ValueError( + "Passwords longer than 72 bytes are not supported by " + "OpenSSH private key format" + ) + + if isinstance(private_key, ec.EllipticCurvePrivateKey): + key_type = _ecdsa_key_type(private_key.public_key()) + elif isinstance(private_key, rsa.RSAPrivateKey): + key_type = _SSH_RSA + elif isinstance(private_key, dsa.DSAPrivateKey): + key_type = _SSH_DSA + elif isinstance(private_key, ed25519.Ed25519PrivateKey): + key_type = _SSH_ED25519 + else: + raise ValueError("Unsupported key type") + kformat = _lookup_kformat(key_type) + + # setup parameters + f_kdfoptions = _FragList() + if password: + ciphername = _DEFAULT_CIPHER + blklen = _SSH_CIPHERS[ciphername][3] + kdfname = _BCRYPT + rounds = _DEFAULT_ROUNDS + salt = os.urandom(16) + f_kdfoptions.put_sshstr(salt) + f_kdfoptions.put_u32(rounds) + backend = _get_backend(None) + ciph = _init_cipher(ciphername, password, salt, rounds, backend) + else: + ciphername = kdfname = _NONE + blklen = 8 + ciph = None + nkeys = 1 + checkval = os.urandom(4) + comment = b"" + + # encode public and private parts together + f_public_key = _FragList() + f_public_key.put_sshstr(key_type) + kformat.encode_public(private_key.public_key(), f_public_key) + + f_secrets = _FragList([checkval, checkval]) + f_secrets.put_sshstr(key_type) + kformat.encode_private(private_key, f_secrets) + f_secrets.put_sshstr(comment) + f_secrets.put_raw(_PADDING[: blklen - (f_secrets.size() % blklen)]) + + # top-level structure + f_main = _FragList() + f_main.put_raw(_SK_MAGIC) + f_main.put_sshstr(ciphername) + f_main.put_sshstr(kdfname) + f_main.put_sshstr(f_kdfoptions) + f_main.put_u32(nkeys) + f_main.put_sshstr(f_public_key) + f_main.put_sshstr(f_secrets) + + # copy result info bytearray + slen = f_secrets.size() + mlen = f_main.size() + buf = memoryview(bytearray(mlen + blklen)) + f_main.render(buf) + ofs = mlen - slen + + # encrypt in-place + if ciph is not None: + ciph.encryptor().update_into(buf[ofs:mlen], buf[ofs:]) + + txt = _ssh_pem_encode(buf[:mlen]) + # Ignore the following type because mypy wants + # Sequence[bytes] but what we're passing is fine. + # https://github.com/python/mypy/issues/9999 + buf[ofs:mlen] = bytearray(slen) # type: ignore + return txt + + +_SSH_PUBLIC_KEY_TYPES = typing.Union[ + ec.EllipticCurvePublicKey, + rsa.RSAPublicKey, + dsa.DSAPublicKey, + ed25519.Ed25519PublicKey, +] + + +def load_ssh_public_key(data: bytes, backend=None) -> _SSH_PUBLIC_KEY_TYPES: + """Load public key from OpenSSH one-line format.""" + backend = _get_backend(backend) + utils._check_byteslike("data", data) + + m = _SSH_PUBKEY_RC.match(data) + if not m: + raise ValueError("Invalid line format") + key_type = orig_key_type = m.group(1) + key_body = m.group(2) + with_cert = False + if _CERT_SUFFIX == key_type[-len(_CERT_SUFFIX) :]: + with_cert = True + key_type = key_type[: -len(_CERT_SUFFIX)] + kformat = _lookup_kformat(key_type) + + try: + data = memoryview(binascii.a2b_base64(key_body)) + except (TypeError, binascii.Error): + raise ValueError("Invalid key format") + + inner_key_type, data = _get_sshstr(data) + if inner_key_type != orig_key_type: + raise ValueError("Invalid key format") + if with_cert: + nonce, data = _get_sshstr(data) + public_key, data = kformat.load_public(key_type, data, backend) + if with_cert: + serial, data = _get_u64(data) + cctype, data = _get_u32(data) + key_id, data = _get_sshstr(data) + principals, data = _get_sshstr(data) + valid_after, data = _get_u64(data) + valid_before, data = _get_u64(data) + crit_options, data = _get_sshstr(data) + extensions, data = _get_sshstr(data) + reserved, data = _get_sshstr(data) + sig_key, data = _get_sshstr(data) + signature, data = _get_sshstr(data) + _check_empty(data) + return public_key + + +def serialize_ssh_public_key(public_key: _SSH_PUBLIC_KEY_TYPES) -> bytes: + """One-line public key format for OpenSSH""" + if isinstance(public_key, ec.EllipticCurvePublicKey): + key_type = _ecdsa_key_type(public_key) + elif isinstance(public_key, rsa.RSAPublicKey): + key_type = _SSH_RSA + elif isinstance(public_key, dsa.DSAPublicKey): + key_type = _SSH_DSA + elif isinstance(public_key, ed25519.Ed25519PublicKey): + key_type = _SSH_ED25519 + else: + raise ValueError("Unsupported key type") + kformat = _lookup_kformat(key_type) + + f_pub = _FragList() + f_pub.put_sshstr(key_type) + kformat.encode_public(public_key, f_pub) + + pub = binascii.b2a_base64(f_pub.tobytes()).strip() + return b"".join([key_type, b" ", pub]) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py new file mode 100644 index 0000000..8a8b30f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/__init__.py @@ -0,0 +1,7 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +class InvalidToken(Exception): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py new file mode 100644 index 0000000..01da470 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/hotp.py @@ -0,0 +1,77 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import struct +import typing + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.primitives import constant_time, hmac +from cryptography.hazmat.primitives.hashes import SHA1, SHA256, SHA512 +from cryptography.hazmat.primitives.twofactor import InvalidToken +from cryptography.hazmat.primitives.twofactor.utils import _generate_uri + + +_ALLOWED_HASH_TYPES = typing.Union[SHA1, SHA256, SHA512] + + +class HOTP(object): + def __init__( + self, + key: bytes, + length: int, + algorithm: _ALLOWED_HASH_TYPES, + backend=None, + enforce_key_length: bool = True, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + if len(key) < 16 and enforce_key_length is True: + raise ValueError("Key length has to be at least 128 bits.") + + if not isinstance(length, int): + raise TypeError("Length parameter must be an integer type.") + + if length < 6 or length > 8: + raise ValueError("Length of HOTP has to be between 6 to 8.") + + if not isinstance(algorithm, (SHA1, SHA256, SHA512)): + raise TypeError("Algorithm must be SHA1, SHA256 or SHA512.") + + self._key = key + self._length = length + self._algorithm = algorithm + self._backend = backend + + def generate(self, counter: int) -> bytes: + truncated_value = self._dynamic_truncate(counter) + hotp = truncated_value % (10 ** self._length) + return "{0:0{1}}".format(hotp, self._length).encode() + + def verify(self, hotp: bytes, counter: int) -> None: + if not constant_time.bytes_eq(self.generate(counter), hotp): + raise InvalidToken("Supplied HOTP value does not match.") + + def _dynamic_truncate(self, counter: int) -> int: + ctx = hmac.HMAC(self._key, self._algorithm, self._backend) + ctx.update(struct.pack(">Q", counter)) + hmac_value = ctx.finalize() + + offset = hmac_value[len(hmac_value) - 1] & 0b1111 + p = hmac_value[offset : offset + 4] + return struct.unpack(">I", p)[0] & 0x7FFFFFFF + + def get_provisioning_uri( + self, account_name: str, counter: int, issuer: typing.Optional[str] + ) -> str: + return _generate_uri( + self, "hotp", account_name, issuer, [("counter", int(counter))] + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/totp.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/totp.py new file mode 100644 index 0000000..7278911 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/totp.py @@ -0,0 +1,56 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.exceptions import UnsupportedAlgorithm, _Reasons +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.backends.interfaces import HMACBackend +from cryptography.hazmat.primitives import constant_time +from cryptography.hazmat.primitives.twofactor import InvalidToken +from cryptography.hazmat.primitives.twofactor.hotp import ( + HOTP, + _ALLOWED_HASH_TYPES, +) +from cryptography.hazmat.primitives.twofactor.utils import _generate_uri + + +class TOTP(object): + def __init__( + self, + key: bytes, + length: int, + algorithm: _ALLOWED_HASH_TYPES, + time_step: int, + backend=None, + enforce_key_length: bool = True, + ): + backend = _get_backend(backend) + if not isinstance(backend, HMACBackend): + raise UnsupportedAlgorithm( + "Backend object does not implement HMACBackend.", + _Reasons.BACKEND_MISSING_INTERFACE, + ) + + self._time_step = time_step + self._hotp = HOTP(key, length, algorithm, backend, enforce_key_length) + + def generate(self, time: typing.Union[int, float]) -> bytes: + counter = int(time / self._time_step) + return self._hotp.generate(counter) + + def verify(self, totp: bytes, time: int) -> None: + if not constant_time.bytes_eq(self.generate(time), totp): + raise InvalidToken("Supplied TOTP value does not match.") + + def get_provisioning_uri( + self, account_name: str, issuer: typing.Optional[str] + ) -> str: + return _generate_uri( + self._hotp, + "totp", + account_name, + issuer, + [("period", int(self._time_step))], + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/utils.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/utils.py new file mode 100644 index 0000000..fcf40c8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/hazmat/primitives/twofactor/utils.py @@ -0,0 +1,38 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import base64 +import typing +from urllib.parse import quote, urlencode + + +def _generate_uri( + hotp, + type_name: str, + account_name: str, + issuer: typing.Optional[str], + extra_parameters, +) -> str: + parameters = [ + ("digits", hotp._length), + ("secret", base64.b32encode(hotp._key)), + ("algorithm", hotp._algorithm.name.upper()), + ] + + if issuer is not None: + parameters.append(("issuer", issuer)) + + parameters.extend(extra_parameters) + + uriparts = { + "type": type_name, + "label": ( + "%s:%s" % (quote(issuer), quote(account_name)) + if issuer + else quote(account_name) + ), + "parameters": urlencode(parameters), + } + return "otpauth://{type}/{label}?{parameters}".format(**uriparts) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/py.typed b/backend/mb-env/lib/python3.9/site-packages/cryptography/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/utils.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/utils.py new file mode 100644 index 0000000..ef0fc44 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/utils.py @@ -0,0 +1,164 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import inspect +import sys +import typing +import warnings + + +# We use a UserWarning subclass, instead of DeprecationWarning, because CPython +# decided deprecation warnings should be invisble by default. +class CryptographyDeprecationWarning(UserWarning): + pass + + +# Several APIs were deprecated with no specific end-of-life date because of the +# ubiquity of their use. They should not be removed until we agree on when that +# cycle ends. +PersistentlyDeprecated2017 = CryptographyDeprecationWarning +PersistentlyDeprecated2019 = CryptographyDeprecationWarning +DeprecatedIn34 = CryptographyDeprecationWarning + + +def _check_bytes(name: str, value: bytes): + if not isinstance(value, bytes): + raise TypeError("{} must be bytes".format(name)) + + +def _check_byteslike(name: str, value: bytes): + try: + memoryview(value) + except TypeError: + raise TypeError("{} must be bytes-like".format(name)) + + +def read_only_property(name: str): + return property(lambda self: getattr(self, name)) + + +def register_interface(iface): + def register_decorator(klass, *, check_annotations=False): + verify_interface(iface, klass, check_annotations=check_annotations) + iface.register(klass) + return klass + + return register_decorator + + +def register_interface_if(predicate, iface): + def register_decorator(klass, *, check_annotations=False): + if predicate: + verify_interface(iface, klass, check_annotations=check_annotations) + iface.register(klass) + return klass + + return register_decorator + + +def int_to_bytes(integer: int, length: typing.Optional[int] = None) -> bytes: + return integer.to_bytes( + length or (integer.bit_length() + 7) // 8 or 1, "big" + ) + + +class InterfaceNotImplemented(Exception): + pass + + +def strip_annotation(signature): + return inspect.Signature( + [ + param.replace(annotation=inspect.Parameter.empty) + for param in signature.parameters.values() + ] + ) + + +def verify_interface(iface, klass, *, check_annotations=False): + for method in iface.__abstractmethods__: + if not hasattr(klass, method): + raise InterfaceNotImplemented( + "{} is missing a {!r} method".format(klass, method) + ) + if isinstance(getattr(iface, method), abc.abstractproperty): + # Can't properly verify these yet. + continue + sig = inspect.signature(getattr(iface, method)) + actual = inspect.signature(getattr(klass, method)) + if check_annotations: + ok = sig == actual + else: + ok = strip_annotation(sig) == strip_annotation(actual) + if not ok: + raise InterfaceNotImplemented( + "{}.{}'s signature differs from the expected. Expected: " + "{!r}. Received: {!r}".format(klass, method, sig, actual) + ) + + +class _DeprecatedValue(object): + def __init__(self, value, message, warning_class): + self.value = value + self.message = message + self.warning_class = warning_class + + +class _ModuleWithDeprecations(object): + def __init__(self, module): + self.__dict__["_module"] = module + + def __getattr__(self, attr): + obj = getattr(self._module, attr) + if isinstance(obj, _DeprecatedValue): + warnings.warn(obj.message, obj.warning_class, stacklevel=2) + obj = obj.value + return obj + + def __setattr__(self, attr, value): + setattr(self._module, attr, value) + + def __delattr__(self, attr): + obj = getattr(self._module, attr) + if isinstance(obj, _DeprecatedValue): + warnings.warn(obj.message, obj.warning_class, stacklevel=2) + + delattr(self._module, attr) + + def __dir__(self): + return ["_module"] + dir(self._module) + + +def deprecated(value, module_name, message, warning_class): + module = sys.modules[module_name] + if not isinstance(module, _ModuleWithDeprecations): + sys.modules[module_name] = _ModuleWithDeprecations( + module + ) # type: ignore[assignment] + return _DeprecatedValue(value, message, warning_class) + + +def cached_property(func): + cached_name = "_cached_{}".format(func) + sentinel = object() + + def inner(instance): + cache = getattr(instance, cached_name, sentinel) + if cache is not sentinel: + return cache + result = func(instance) + setattr(instance, cached_name, result) + return result + + return property(inner) + + +int_from_bytes = deprecated( + int.from_bytes, + __name__, + "int_from_bytes is deprecated, use int.from_bytes instead", + DeprecatedIn34, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/__init__.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/__init__.py new file mode 100644 index 0000000..7937146 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/__init__.py @@ -0,0 +1,247 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +from cryptography.x509 import certificate_transparency +from cryptography.x509.base import ( + AttributeNotFound, + Certificate, + CertificateBuilder, + CertificateRevocationList, + CertificateRevocationListBuilder, + CertificateSigningRequest, + CertificateSigningRequestBuilder, + InvalidVersion, + RevokedCertificate, + RevokedCertificateBuilder, + Version, + load_der_x509_certificate, + load_der_x509_crl, + load_der_x509_csr, + load_pem_x509_certificate, + load_pem_x509_crl, + load_pem_x509_csr, + random_serial_number, +) +from cryptography.x509.extensions import ( + AccessDescription, + AuthorityInformationAccess, + AuthorityKeyIdentifier, + BasicConstraints, + CRLDistributionPoints, + CRLNumber, + CRLReason, + CertificateIssuer, + CertificatePolicies, + DeltaCRLIndicator, + DistributionPoint, + DuplicateExtension, + ExtendedKeyUsage, + Extension, + ExtensionNotFound, + ExtensionType, + Extensions, + FreshestCRL, + GeneralNames, + InhibitAnyPolicy, + InvalidityDate, + IssuerAlternativeName, + IssuingDistributionPoint, + KeyUsage, + NameConstraints, + NoticeReference, + OCSPNoCheck, + OCSPNonce, + PolicyConstraints, + PolicyInformation, + PrecertPoison, + PrecertificateSignedCertificateTimestamps, + ReasonFlags, + SignedCertificateTimestamps, + SubjectAlternativeName, + SubjectInformationAccess, + SubjectKeyIdentifier, + TLSFeature, + TLSFeatureType, + UnrecognizedExtension, + UserNotice, +) +from cryptography.x509.general_name import ( + DNSName, + DirectoryName, + GeneralName, + IPAddress, + OtherName, + RFC822Name, + RegisteredID, + UniformResourceIdentifier, + UnsupportedGeneralNameType, + _GENERAL_NAMES, +) +from cryptography.x509.name import ( + Name, + NameAttribute, + RelativeDistinguishedName, +) +from cryptography.x509.oid import ( + AuthorityInformationAccessOID, + CRLEntryExtensionOID, + CertificatePoliciesOID, + ExtendedKeyUsageOID, + ExtensionOID, + NameOID, + ObjectIdentifier, + SignatureAlgorithmOID, + _SIG_OIDS_TO_HASH, +) + + +OID_AUTHORITY_INFORMATION_ACCESS = ExtensionOID.AUTHORITY_INFORMATION_ACCESS +OID_AUTHORITY_KEY_IDENTIFIER = ExtensionOID.AUTHORITY_KEY_IDENTIFIER +OID_BASIC_CONSTRAINTS = ExtensionOID.BASIC_CONSTRAINTS +OID_CERTIFICATE_POLICIES = ExtensionOID.CERTIFICATE_POLICIES +OID_CRL_DISTRIBUTION_POINTS = ExtensionOID.CRL_DISTRIBUTION_POINTS +OID_EXTENDED_KEY_USAGE = ExtensionOID.EXTENDED_KEY_USAGE +OID_FRESHEST_CRL = ExtensionOID.FRESHEST_CRL +OID_INHIBIT_ANY_POLICY = ExtensionOID.INHIBIT_ANY_POLICY +OID_ISSUER_ALTERNATIVE_NAME = ExtensionOID.ISSUER_ALTERNATIVE_NAME +OID_KEY_USAGE = ExtensionOID.KEY_USAGE +OID_NAME_CONSTRAINTS = ExtensionOID.NAME_CONSTRAINTS +OID_OCSP_NO_CHECK = ExtensionOID.OCSP_NO_CHECK +OID_POLICY_CONSTRAINTS = ExtensionOID.POLICY_CONSTRAINTS +OID_POLICY_MAPPINGS = ExtensionOID.POLICY_MAPPINGS +OID_SUBJECT_ALTERNATIVE_NAME = ExtensionOID.SUBJECT_ALTERNATIVE_NAME +OID_SUBJECT_DIRECTORY_ATTRIBUTES = ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES +OID_SUBJECT_INFORMATION_ACCESS = ExtensionOID.SUBJECT_INFORMATION_ACCESS +OID_SUBJECT_KEY_IDENTIFIER = ExtensionOID.SUBJECT_KEY_IDENTIFIER + +OID_DSA_WITH_SHA1 = SignatureAlgorithmOID.DSA_WITH_SHA1 +OID_DSA_WITH_SHA224 = SignatureAlgorithmOID.DSA_WITH_SHA224 +OID_DSA_WITH_SHA256 = SignatureAlgorithmOID.DSA_WITH_SHA256 +OID_ECDSA_WITH_SHA1 = SignatureAlgorithmOID.ECDSA_WITH_SHA1 +OID_ECDSA_WITH_SHA224 = SignatureAlgorithmOID.ECDSA_WITH_SHA224 +OID_ECDSA_WITH_SHA256 = SignatureAlgorithmOID.ECDSA_WITH_SHA256 +OID_ECDSA_WITH_SHA384 = SignatureAlgorithmOID.ECDSA_WITH_SHA384 +OID_ECDSA_WITH_SHA512 = SignatureAlgorithmOID.ECDSA_WITH_SHA512 +OID_RSA_WITH_MD5 = SignatureAlgorithmOID.RSA_WITH_MD5 +OID_RSA_WITH_SHA1 = SignatureAlgorithmOID.RSA_WITH_SHA1 +OID_RSA_WITH_SHA224 = SignatureAlgorithmOID.RSA_WITH_SHA224 +OID_RSA_WITH_SHA256 = SignatureAlgorithmOID.RSA_WITH_SHA256 +OID_RSA_WITH_SHA384 = SignatureAlgorithmOID.RSA_WITH_SHA384 +OID_RSA_WITH_SHA512 = SignatureAlgorithmOID.RSA_WITH_SHA512 +OID_RSASSA_PSS = SignatureAlgorithmOID.RSASSA_PSS + +OID_COMMON_NAME = NameOID.COMMON_NAME +OID_COUNTRY_NAME = NameOID.COUNTRY_NAME +OID_DOMAIN_COMPONENT = NameOID.DOMAIN_COMPONENT +OID_DN_QUALIFIER = NameOID.DN_QUALIFIER +OID_EMAIL_ADDRESS = NameOID.EMAIL_ADDRESS +OID_GENERATION_QUALIFIER = NameOID.GENERATION_QUALIFIER +OID_GIVEN_NAME = NameOID.GIVEN_NAME +OID_LOCALITY_NAME = NameOID.LOCALITY_NAME +OID_ORGANIZATIONAL_UNIT_NAME = NameOID.ORGANIZATIONAL_UNIT_NAME +OID_ORGANIZATION_NAME = NameOID.ORGANIZATION_NAME +OID_PSEUDONYM = NameOID.PSEUDONYM +OID_SERIAL_NUMBER = NameOID.SERIAL_NUMBER +OID_STATE_OR_PROVINCE_NAME = NameOID.STATE_OR_PROVINCE_NAME +OID_SURNAME = NameOID.SURNAME +OID_TITLE = NameOID.TITLE + +OID_CLIENT_AUTH = ExtendedKeyUsageOID.CLIENT_AUTH +OID_CODE_SIGNING = ExtendedKeyUsageOID.CODE_SIGNING +OID_EMAIL_PROTECTION = ExtendedKeyUsageOID.EMAIL_PROTECTION +OID_OCSP_SIGNING = ExtendedKeyUsageOID.OCSP_SIGNING +OID_SERVER_AUTH = ExtendedKeyUsageOID.SERVER_AUTH +OID_TIME_STAMPING = ExtendedKeyUsageOID.TIME_STAMPING + +OID_ANY_POLICY = CertificatePoliciesOID.ANY_POLICY +OID_CPS_QUALIFIER = CertificatePoliciesOID.CPS_QUALIFIER +OID_CPS_USER_NOTICE = CertificatePoliciesOID.CPS_USER_NOTICE + +OID_CERTIFICATE_ISSUER = CRLEntryExtensionOID.CERTIFICATE_ISSUER +OID_CRL_REASON = CRLEntryExtensionOID.CRL_REASON +OID_INVALIDITY_DATE = CRLEntryExtensionOID.INVALIDITY_DATE + +OID_CA_ISSUERS = AuthorityInformationAccessOID.CA_ISSUERS +OID_OCSP = AuthorityInformationAccessOID.OCSP + +__all__ = [ + "certificate_transparency", + "load_pem_x509_certificate", + "load_der_x509_certificate", + "load_pem_x509_csr", + "load_der_x509_csr", + "load_pem_x509_crl", + "load_der_x509_crl", + "random_serial_number", + "AttributeNotFound", + "InvalidVersion", + "DeltaCRLIndicator", + "DuplicateExtension", + "ExtensionNotFound", + "UnsupportedGeneralNameType", + "NameAttribute", + "Name", + "RelativeDistinguishedName", + "ObjectIdentifier", + "ExtensionType", + "Extensions", + "Extension", + "ExtendedKeyUsage", + "FreshestCRL", + "IssuingDistributionPoint", + "TLSFeature", + "TLSFeatureType", + "OCSPNoCheck", + "BasicConstraints", + "CRLNumber", + "KeyUsage", + "AuthorityInformationAccess", + "SubjectInformationAccess", + "AccessDescription", + "CertificatePolicies", + "PolicyInformation", + "UserNotice", + "NoticeReference", + "SubjectKeyIdentifier", + "NameConstraints", + "CRLDistributionPoints", + "DistributionPoint", + "ReasonFlags", + "InhibitAnyPolicy", + "SubjectAlternativeName", + "IssuerAlternativeName", + "AuthorityKeyIdentifier", + "GeneralNames", + "GeneralName", + "RFC822Name", + "DNSName", + "UniformResourceIdentifier", + "RegisteredID", + "DirectoryName", + "IPAddress", + "OtherName", + "Certificate", + "CertificateRevocationList", + "CertificateRevocationListBuilder", + "CertificateSigningRequest", + "RevokedCertificate", + "RevokedCertificateBuilder", + "CertificateSigningRequestBuilder", + "CertificateBuilder", + "Version", + "_SIG_OIDS_TO_HASH", + "OID_CA_ISSUERS", + "OID_OCSP", + "_GENERAL_NAMES", + "CertificateIssuer", + "CRLReason", + "InvalidityDate", + "UnrecognizedExtension", + "PolicyConstraints", + "PrecertificateSignedCertificateTimestamps", + "PrecertPoison", + "OCSPNonce", + "SignedCertificateTimestamps", +] diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/base.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/base.py new file mode 100644 index 0000000..5505fa3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/base.py @@ -0,0 +1,914 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import datetime +import os +import typing +from enum import Enum + +from cryptography.hazmat._types import _PRIVATE_KEY_TYPES, _PUBLIC_KEY_TYPES +from cryptography.hazmat.backends import _get_backend +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.hazmat.primitives.asymmetric import ( + dsa, + ec, + ed25519, + ed448, + rsa, +) +from cryptography.x509.extensions import Extension, ExtensionType, Extensions +from cryptography.x509.name import Name +from cryptography.x509.oid import ObjectIdentifier + + +_EARLIEST_UTC_TIME = datetime.datetime(1950, 1, 1) + + +class AttributeNotFound(Exception): + def __init__(self, msg, oid): + super(AttributeNotFound, self).__init__(msg) + self.oid = oid + + +def _reject_duplicate_extension( + extension: Extension, extensions: typing.List[Extension] +): + # This is quadratic in the number of extensions + for e in extensions: + if e.oid == extension.oid: + raise ValueError("This extension has already been set.") + + +def _reject_duplicate_attribute( + oid: ObjectIdentifier, + attributes: typing.List[typing.Tuple[ObjectIdentifier, bytes]], +): + # This is quadratic in the number of attributes + for attr_oid, _ in attributes: + if attr_oid == oid: + raise ValueError("This attribute has already been set.") + + +def _convert_to_naive_utc_time(time: datetime.datetime) -> datetime.datetime: + """Normalizes a datetime to a naive datetime in UTC. + + time -- datetime to normalize. Assumed to be in UTC if not timezone + aware. + """ + if time.tzinfo is not None: + offset = time.utcoffset() + offset = offset if offset else datetime.timedelta() + return time.replace(tzinfo=None) - offset + else: + return time + + +class Version(Enum): + v1 = 0 + v3 = 2 + + +class InvalidVersion(Exception): + def __init__(self, msg, parsed_version): + super(InvalidVersion, self).__init__(msg) + self.parsed_version = parsed_version + + +class Certificate(metaclass=abc.ABCMeta): + @abc.abstractmethod + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + """ + Returns bytes using digest passed. + """ + + @abc.abstractproperty + def serial_number(self) -> int: + """ + Returns certificate serial number + """ + + @abc.abstractproperty + def version(self) -> Version: + """ + Returns the certificate version + """ + + @abc.abstractmethod + def public_key(self) -> _PUBLIC_KEY_TYPES: + """ + Returns the public key + """ + + @abc.abstractproperty + def not_valid_before(self) -> datetime.datetime: + """ + Not before time (represented as UTC datetime) + """ + + @abc.abstractproperty + def not_valid_after(self) -> datetime.datetime: + """ + Not after time (represented as UTC datetime) + """ + + @abc.abstractproperty + def issuer(self) -> Name: + """ + Returns the issuer name object. + """ + + @abc.abstractproperty + def subject(self) -> Name: + """ + Returns the subject name object. + """ + + @abc.abstractproperty + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @abc.abstractproperty + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @abc.abstractproperty + def extensions(self) -> Extensions: + """ + Returns an Extensions object. + """ + + @abc.abstractproperty + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @abc.abstractproperty + def tbs_certificate_bytes(self) -> bytes: + """ + Returns the tbsCertificate payload bytes as defined in RFC 5280. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __ne__(self, other: object) -> bool: + """ + Checks not equal. + """ + + @abc.abstractmethod + def __hash__(self) -> int: + """ + Computes a hash. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the certificate to PEM or DER format. + """ + + +class RevokedCertificate(metaclass=abc.ABCMeta): + @abc.abstractproperty + def serial_number(self) -> int: + """ + Returns the serial number of the revoked certificate. + """ + + @abc.abstractproperty + def revocation_date(self) -> datetime.datetime: + """ + Returns the date of when this certificate was revoked. + """ + + @abc.abstractproperty + def extensions(self) -> Extensions: + """ + Returns an Extensions object containing a list of Revoked extensions. + """ + + +class CertificateRevocationList(metaclass=abc.ABCMeta): + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the CRL to PEM or DER format. + """ + + @abc.abstractmethod + def fingerprint(self, algorithm: hashes.HashAlgorithm) -> bytes: + """ + Returns bytes using digest passed. + """ + + @abc.abstractmethod + def get_revoked_certificate_by_serial_number( + self, serial_number: int + ) -> typing.Optional[RevokedCertificate]: + """ + Returns an instance of RevokedCertificate or None if the serial_number + is not in the CRL. + """ + + @abc.abstractproperty + def signature_hash_algorithm(self) -> hashes.HashAlgorithm: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @abc.abstractproperty + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @abc.abstractproperty + def issuer(self) -> Name: + """ + Returns the X509Name with the issuer of this CRL. + """ + + @abc.abstractproperty + def next_update(self) -> datetime.datetime: + """ + Returns the date of next update for this CRL. + """ + + @abc.abstractproperty + def last_update(self) -> datetime.datetime: + """ + Returns the date of last update for this CRL. + """ + + @abc.abstractproperty + def extensions(self) -> Extensions: + """ + Returns an Extensions object containing a list of CRL extensions. + """ + + @abc.abstractproperty + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @abc.abstractproperty + def tbs_certlist_bytes(self) -> bytes: + """ + Returns the tbsCertList payload bytes as defined in RFC 5280. + """ + + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __ne__(self, other: object) -> bool: + """ + Checks not equal. + """ + + @abc.abstractmethod + def __len__(self) -> int: + """ + Number of revoked certificates in the CRL. + """ + + @abc.abstractmethod + def __getitem__(self, idx): + """ + Returns a revoked certificate (or slice of revoked certificates). + """ + + @abc.abstractmethod + def __iter__(self): + """ + Iterator over the revoked certificates + """ + + @abc.abstractmethod + def is_signature_valid(self, public_key: _PUBLIC_KEY_TYPES) -> bool: + """ + Verifies signature of revocation list against given public key. + """ + + +class CertificateSigningRequest(metaclass=abc.ABCMeta): + @abc.abstractmethod + def __eq__(self, other: object) -> bool: + """ + Checks equality. + """ + + @abc.abstractmethod + def __ne__(self, other: object) -> bool: + """ + Checks not equal. + """ + + @abc.abstractmethod + def __hash__(self) -> int: + """ + Computes a hash. + """ + + @abc.abstractmethod + def public_key(self) -> _PUBLIC_KEY_TYPES: + """ + Returns the public key + """ + + @abc.abstractproperty + def subject(self) -> Name: + """ + Returns the subject name object. + """ + + @abc.abstractproperty + def signature_hash_algorithm(self) -> hashes.HashAlgorithm: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + in the certificate. + """ + + @abc.abstractproperty + def signature_algorithm_oid(self) -> ObjectIdentifier: + """ + Returns the ObjectIdentifier of the signature algorithm. + """ + + @abc.abstractproperty + def extensions(self) -> Extensions: + """ + Returns the extensions in the signing request. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Encodes the request to PEM or DER format. + """ + + @abc.abstractproperty + def signature(self) -> bytes: + """ + Returns the signature bytes. + """ + + @abc.abstractproperty + def tbs_certrequest_bytes(self) -> bytes: + """ + Returns the PKCS#10 CertificationRequestInfo bytes as defined in RFC + 2986. + """ + + @abc.abstractproperty + def is_signature_valid(self) -> bool: + """ + Verifies signature of signing request. + """ + + @abc.abstractmethod + def get_attribute_for_oid(self, oid: ObjectIdentifier) -> bytes: + """ + Get the attribute value for a given OID. + """ + + +def load_pem_x509_certificate(data: bytes, backend=None) -> Certificate: + backend = _get_backend(backend) + return backend.load_pem_x509_certificate(data) + + +def load_der_x509_certificate(data: bytes, backend=None) -> Certificate: + backend = _get_backend(backend) + return backend.load_der_x509_certificate(data) + + +def load_pem_x509_csr(data: bytes, backend=None) -> CertificateSigningRequest: + backend = _get_backend(backend) + return backend.load_pem_x509_csr(data) + + +def load_der_x509_csr(data: bytes, backend=None) -> CertificateSigningRequest: + backend = _get_backend(backend) + return backend.load_der_x509_csr(data) + + +def load_pem_x509_crl(data: bytes, backend=None) -> CertificateRevocationList: + backend = _get_backend(backend) + return backend.load_pem_x509_crl(data) + + +def load_der_x509_crl(data: bytes, backend=None) -> CertificateRevocationList: + backend = _get_backend(backend) + return backend.load_der_x509_crl(data) + + +class CertificateSigningRequestBuilder(object): + def __init__(self, subject_name=None, extensions=[], attributes=[]): + """ + Creates an empty X.509 certificate request (v1). + """ + self._subject_name = subject_name + self._extensions = extensions + self._attributes = attributes + + def subject_name(self, name: Name): + """ + Sets the certificate requestor's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._subject_name is not None: + raise ValueError("The subject name may only be set once.") + return CertificateSigningRequestBuilder( + name, self._extensions, self._attributes + ) + + def add_extension(self, extval: ExtensionType, critical: bool): + """ + Adds an X.509 extension to the certificate request. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return CertificateSigningRequestBuilder( + self._subject_name, + self._extensions + [extension], + self._attributes, + ) + + def add_attribute(self, oid: ObjectIdentifier, value: bytes): + """ + Adds an X.509 attribute with an OID and associated value. + """ + if not isinstance(oid, ObjectIdentifier): + raise TypeError("oid must be an ObjectIdentifier") + + if not isinstance(value, bytes): + raise TypeError("value must be bytes") + + _reject_duplicate_attribute(oid, self._attributes) + + return CertificateSigningRequestBuilder( + self._subject_name, + self._extensions, + self._attributes + [(oid, value)], + ) + + def sign( + self, + private_key: _PRIVATE_KEY_TYPES, + algorithm: hashes.HashAlgorithm, + backend=None, + ) -> CertificateSigningRequest: + """ + Signs the request using the requestor's private key. + """ + backend = _get_backend(backend) + if self._subject_name is None: + raise ValueError("A CertificateSigningRequest must have a subject") + return backend.create_x509_csr(self, private_key, algorithm) + + +class CertificateBuilder(object): + def __init__( + self, + issuer_name=None, + subject_name=None, + public_key=None, + serial_number=None, + not_valid_before=None, + not_valid_after=None, + extensions=[], + ): + self._version = Version.v3 + self._issuer_name = issuer_name + self._subject_name = subject_name + self._public_key = public_key + self._serial_number = serial_number + self._not_valid_before = not_valid_before + self._not_valid_after = not_valid_after + self._extensions = extensions + + def issuer_name(self, name: Name): + """ + Sets the CA's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._issuer_name is not None: + raise ValueError("The issuer name may only be set once.") + return CertificateBuilder( + name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def subject_name(self, name: Name): + """ + Sets the requestor's distinguished name. + """ + if not isinstance(name, Name): + raise TypeError("Expecting x509.Name object.") + if self._subject_name is not None: + raise ValueError("The subject name may only be set once.") + return CertificateBuilder( + self._issuer_name, + name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def public_key( + self, + key: _PUBLIC_KEY_TYPES, + ): + """ + Sets the requestor's public key (as found in the signing request). + """ + if not isinstance( + key, + ( + dsa.DSAPublicKey, + rsa.RSAPublicKey, + ec.EllipticCurvePublicKey, + ed25519.Ed25519PublicKey, + ed448.Ed448PublicKey, + ), + ): + raise TypeError( + "Expecting one of DSAPublicKey, RSAPublicKey," + " EllipticCurvePublicKey, Ed25519PublicKey or" + " Ed448PublicKey." + ) + if self._public_key is not None: + raise ValueError("The public key may only be set once.") + return CertificateBuilder( + self._issuer_name, + self._subject_name, + key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def serial_number(self, number: int): + """ + Sets the certificate serial number. + """ + if not isinstance(number, int): + raise TypeError("Serial number must be of integral type.") + if self._serial_number is not None: + raise ValueError("The serial number may only be set once.") + if number <= 0: + raise ValueError("The serial number should be positive.") + + # ASN.1 integers are always signed, so most significant bit must be + # zero. + if number.bit_length() >= 160: # As defined in RFC 5280 + raise ValueError( + "The serial number should not be more than 159 " "bits." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + number, + self._not_valid_before, + self._not_valid_after, + self._extensions, + ) + + def not_valid_before(self, time: datetime.datetime): + """ + Sets the certificate activation time. + """ + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._not_valid_before is not None: + raise ValueError("The not valid before may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The not valid before date must be on or after" + " 1950 January 1)." + ) + if self._not_valid_after is not None and time > self._not_valid_after: + raise ValueError( + "The not valid before date must be before the not valid after " + "date." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + time, + self._not_valid_after, + self._extensions, + ) + + def not_valid_after(self, time: datetime.datetime): + """ + Sets the certificate expiration time. + """ + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._not_valid_after is not None: + raise ValueError("The not valid after may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The not valid after date must be on or after" + " 1950 January 1." + ) + if ( + self._not_valid_before is not None + and time < self._not_valid_before + ): + raise ValueError( + "The not valid after date must be after the not valid before " + "date." + ) + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + time, + self._extensions, + ) + + def add_extension(self, extval: ExtensionType, critical: bool): + """ + Adds an X.509 extension to the certificate. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return CertificateBuilder( + self._issuer_name, + self._subject_name, + self._public_key, + self._serial_number, + self._not_valid_before, + self._not_valid_after, + self._extensions + [extension], + ) + + def sign( + self, + private_key: _PRIVATE_KEY_TYPES, + algorithm: hashes.HashAlgorithm, + backend=None, + ) -> Certificate: + """ + Signs the certificate using the CA's private key. + """ + backend = _get_backend(backend) + if self._subject_name is None: + raise ValueError("A certificate must have a subject name") + + if self._issuer_name is None: + raise ValueError("A certificate must have an issuer name") + + if self._serial_number is None: + raise ValueError("A certificate must have a serial number") + + if self._not_valid_before is None: + raise ValueError("A certificate must have a not valid before time") + + if self._not_valid_after is None: + raise ValueError("A certificate must have a not valid after time") + + if self._public_key is None: + raise ValueError("A certificate must have a public key") + + return backend.create_x509_certificate(self, private_key, algorithm) + + +class CertificateRevocationListBuilder(object): + def __init__( + self, + issuer_name=None, + last_update=None, + next_update=None, + extensions=[], + revoked_certificates=[], + ): + self._issuer_name = issuer_name + self._last_update = last_update + self._next_update = next_update + self._extensions = extensions + self._revoked_certificates = revoked_certificates + + def issuer_name(self, issuer_name: Name): + if not isinstance(issuer_name, Name): + raise TypeError("Expecting x509.Name object.") + if self._issuer_name is not None: + raise ValueError("The issuer name may only be set once.") + return CertificateRevocationListBuilder( + issuer_name, + self._last_update, + self._next_update, + self._extensions, + self._revoked_certificates, + ) + + def last_update(self, last_update: datetime.datetime): + if not isinstance(last_update, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._last_update is not None: + raise ValueError("Last update may only be set once.") + last_update = _convert_to_naive_utc_time(last_update) + if last_update < _EARLIEST_UTC_TIME: + raise ValueError( + "The last update date must be on or after" " 1950 January 1." + ) + if self._next_update is not None and last_update > self._next_update: + raise ValueError( + "The last update date must be before the next update date." + ) + return CertificateRevocationListBuilder( + self._issuer_name, + last_update, + self._next_update, + self._extensions, + self._revoked_certificates, + ) + + def next_update(self, next_update: datetime.datetime): + if not isinstance(next_update, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._next_update is not None: + raise ValueError("Last update may only be set once.") + next_update = _convert_to_naive_utc_time(next_update) + if next_update < _EARLIEST_UTC_TIME: + raise ValueError( + "The last update date must be on or after" " 1950 January 1." + ) + if self._last_update is not None and next_update < self._last_update: + raise ValueError( + "The next update date must be after the last update date." + ) + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + next_update, + self._extensions, + self._revoked_certificates, + ) + + def add_extension(self, extval: ExtensionType, critical: bool): + """ + Adds an X.509 extension to the certificate revocation list. + """ + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + self._next_update, + self._extensions + [extension], + self._revoked_certificates, + ) + + def add_revoked_certificate(self, revoked_certificate: RevokedCertificate): + """ + Adds a revoked certificate to the CRL. + """ + if not isinstance(revoked_certificate, RevokedCertificate): + raise TypeError("Must be an instance of RevokedCertificate") + + return CertificateRevocationListBuilder( + self._issuer_name, + self._last_update, + self._next_update, + self._extensions, + self._revoked_certificates + [revoked_certificate], + ) + + def sign( + self, + private_key: _PRIVATE_KEY_TYPES, + algorithm: hashes.HashAlgorithm, + backend=None, + ) -> CertificateRevocationList: + backend = _get_backend(backend) + if self._issuer_name is None: + raise ValueError("A CRL must have an issuer name") + + if self._last_update is None: + raise ValueError("A CRL must have a last update time") + + if self._next_update is None: + raise ValueError("A CRL must have a next update time") + + return backend.create_x509_crl(self, private_key, algorithm) + + +class RevokedCertificateBuilder(object): + def __init__( + self, serial_number=None, revocation_date=None, extensions=[] + ): + self._serial_number = serial_number + self._revocation_date = revocation_date + self._extensions = extensions + + def serial_number(self, number: int): + if not isinstance(number, int): + raise TypeError("Serial number must be of integral type.") + if self._serial_number is not None: + raise ValueError("The serial number may only be set once.") + if number <= 0: + raise ValueError("The serial number should be positive") + + # ASN.1 integers are always signed, so most significant bit must be + # zero. + if number.bit_length() >= 160: # As defined in RFC 5280 + raise ValueError( + "The serial number should not be more than 159 " "bits." + ) + return RevokedCertificateBuilder( + number, self._revocation_date, self._extensions + ) + + def revocation_date(self, time: datetime.datetime): + if not isinstance(time, datetime.datetime): + raise TypeError("Expecting datetime object.") + if self._revocation_date is not None: + raise ValueError("The revocation date may only be set once.") + time = _convert_to_naive_utc_time(time) + if time < _EARLIEST_UTC_TIME: + raise ValueError( + "The revocation date must be on or after" " 1950 January 1." + ) + return RevokedCertificateBuilder( + self._serial_number, time, self._extensions + ) + + def add_extension(self, extval: ExtensionType, critical: bool): + if not isinstance(extval, ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + return RevokedCertificateBuilder( + self._serial_number, + self._revocation_date, + self._extensions + [extension], + ) + + def build(self, backend=None) -> RevokedCertificate: + backend = _get_backend(backend) + if self._serial_number is None: + raise ValueError("A revoked certificate must have a serial number") + if self._revocation_date is None: + raise ValueError( + "A revoked certificate must have a revocation date" + ) + + return backend.create_x509_revoked_certificate(self) + + +def random_serial_number() -> int: + return int.from_bytes(os.urandom(20), "big") >> 1 diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/certificate_transparency.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/certificate_transparency.py new file mode 100644 index 0000000..d51bee9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/certificate_transparency.py @@ -0,0 +1,43 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import datetime +from enum import Enum + + +class LogEntryType(Enum): + X509_CERTIFICATE = 0 + PRE_CERTIFICATE = 1 + + +class Version(Enum): + v1 = 0 + + +class SignedCertificateTimestamp(metaclass=abc.ABCMeta): + @abc.abstractproperty + def version(self) -> Version: + """ + Returns the SCT version. + """ + + @abc.abstractproperty + def log_id(self) -> bytes: + """ + Returns an identifier indicating which log this SCT is for. + """ + + @abc.abstractproperty + def timestamp(self) -> datetime.datetime: + """ + Returns the timestamp for this SCT. + """ + + @abc.abstractproperty + def entry_type(self) -> LogEntryType: + """ + Returns whether this is an SCT for a certificate or pre-certificate. + """ diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/extensions.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/extensions.py new file mode 100644 index 0000000..6cae016 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/extensions.py @@ -0,0 +1,1723 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import datetime +import hashlib +import ipaddress +import typing +from enum import Enum + +from cryptography import utils +from cryptography.hazmat._der import ( + BIT_STRING, + DERReader, + OBJECT_IDENTIFIER, + SEQUENCE, +) +from cryptography.hazmat._types import _PUBLIC_KEY_TYPES +from cryptography.hazmat.primitives import constant_time, serialization +from cryptography.hazmat.primitives.asymmetric.ec import EllipticCurvePublicKey +from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey +from cryptography.x509.certificate_transparency import ( + SignedCertificateTimestamp, +) +from cryptography.x509.general_name import GeneralName, IPAddress, OtherName +from cryptography.x509.name import RelativeDistinguishedName +from cryptography.x509.oid import ( + CRLEntryExtensionOID, + ExtensionOID, + OCSPExtensionOID, + ObjectIdentifier, +) + + +def _key_identifier_from_public_key(public_key: _PUBLIC_KEY_TYPES) -> bytes: + if isinstance(public_key, RSAPublicKey): + data = public_key.public_bytes( + serialization.Encoding.DER, + serialization.PublicFormat.PKCS1, + ) + elif isinstance(public_key, EllipticCurvePublicKey): + data = public_key.public_bytes( + serialization.Encoding.X962, + serialization.PublicFormat.UncompressedPoint, + ) + else: + # This is a very slow way to do this. + serialized = public_key.public_bytes( + serialization.Encoding.DER, + serialization.PublicFormat.SubjectPublicKeyInfo, + ) + + reader = DERReader(serialized) + with reader.read_single_element(SEQUENCE) as public_key_info: + algorithm = public_key_info.read_element(SEQUENCE) + public_key_data = public_key_info.read_element(BIT_STRING) + + # Double-check the algorithm structure. + with algorithm: + algorithm.read_element(OBJECT_IDENTIFIER) + if not algorithm.is_empty(): + # Skip the optional parameters field. + algorithm.read_any_element() + + # BIT STRING contents begin with the number of padding bytes added. It + # must be zero for SubjectPublicKeyInfo structures. + if public_key_data.read_byte() != 0: + raise ValueError("Invalid public key encoding") + + data = public_key_data.data + + return hashlib.sha1(data).digest() + + +def _make_sequence_methods(field_name): + def len_method(self): + return len(getattr(self, field_name)) + + def iter_method(self): + return iter(getattr(self, field_name)) + + def getitem_method(self, idx): + return getattr(self, field_name)[idx] + + return len_method, iter_method, getitem_method + + +class DuplicateExtension(Exception): + def __init__(self, msg: str, oid: ObjectIdentifier): + super(DuplicateExtension, self).__init__(msg) + self.oid = oid + + +class ExtensionNotFound(Exception): + def __init__(self, msg: str, oid: ObjectIdentifier): + super(ExtensionNotFound, self).__init__(msg) + self.oid = oid + + +class ExtensionType(metaclass=abc.ABCMeta): + @abc.abstractproperty + def oid(self) -> ObjectIdentifier: + """ + Returns the oid associated with the given extension type. + """ + + +class Extensions(object): + def __init__(self, extensions: typing.List["Extension"]): + self._extensions = extensions + + def get_extension_for_oid(self, oid: ObjectIdentifier) -> "Extension": + for ext in self: + if ext.oid == oid: + return ext + + raise ExtensionNotFound("No {} extension was found".format(oid), oid) + + def get_extension_for_class(self, extclass) -> "Extension": + if extclass is UnrecognizedExtension: + raise TypeError( + "UnrecognizedExtension can't be used with " + "get_extension_for_class because more than one instance of the" + " class may be present." + ) + + for ext in self: + if isinstance(ext.value, extclass): + return ext + + raise ExtensionNotFound( + "No {} extension was found".format(extclass), extclass.oid + ) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_extensions") + + def __repr__(self): + return "".format(self._extensions) + + +class CRLNumber(ExtensionType): + oid = ExtensionOID.CRL_NUMBER + + def __init__(self, crl_number: int): + if not isinstance(crl_number, int): + raise TypeError("crl_number must be an integer") + + self._crl_number = crl_number + + def __eq__(self, other): + if not isinstance(other, CRLNumber): + return NotImplemented + + return self.crl_number == other.crl_number + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.crl_number) + + def __repr__(self): + return "".format(self.crl_number) + + crl_number = utils.read_only_property("_crl_number") + + +class AuthorityKeyIdentifier(ExtensionType): + oid = ExtensionOID.AUTHORITY_KEY_IDENTIFIER + + def __init__( + self, + key_identifier: typing.Optional[bytes], + authority_cert_issuer: typing.Optional[typing.Iterable[GeneralName]], + authority_cert_serial_number: typing.Optional[int], + ): + if (authority_cert_issuer is None) != ( + authority_cert_serial_number is None + ): + raise ValueError( + "authority_cert_issuer and authority_cert_serial_number " + "must both be present or both None" + ) + + if authority_cert_issuer is not None: + authority_cert_issuer = list(authority_cert_issuer) + if not all( + isinstance(x, GeneralName) for x in authority_cert_issuer + ): + raise TypeError( + "authority_cert_issuer must be a list of GeneralName " + "objects" + ) + + if authority_cert_serial_number is not None and not isinstance( + authority_cert_serial_number, int + ): + raise TypeError("authority_cert_serial_number must be an integer") + + self._key_identifier = key_identifier + self._authority_cert_issuer = authority_cert_issuer + self._authority_cert_serial_number = authority_cert_serial_number + + @classmethod + def from_issuer_public_key( + cls, public_key: _PUBLIC_KEY_TYPES + ) -> "AuthorityKeyIdentifier": + digest = _key_identifier_from_public_key(public_key) + return cls( + key_identifier=digest, + authority_cert_issuer=None, + authority_cert_serial_number=None, + ) + + @classmethod + def from_issuer_subject_key_identifier( + cls, ski: "SubjectKeyIdentifier" + ) -> "AuthorityKeyIdentifier": + return cls( + key_identifier=ski.digest, + authority_cert_issuer=None, + authority_cert_serial_number=None, + ) + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, AuthorityKeyIdentifier): + return NotImplemented + + return ( + self.key_identifier == other.key_identifier + and self.authority_cert_issuer == other.authority_cert_issuer + and self.authority_cert_serial_number + == other.authority_cert_serial_number + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + if self.authority_cert_issuer is None: + aci = None + else: + aci = tuple(self.authority_cert_issuer) + return hash( + (self.key_identifier, aci, self.authority_cert_serial_number) + ) + + key_identifier = utils.read_only_property("_key_identifier") + authority_cert_issuer = utils.read_only_property("_authority_cert_issuer") + authority_cert_serial_number = utils.read_only_property( + "_authority_cert_serial_number" + ) + + +class SubjectKeyIdentifier(ExtensionType): + oid = ExtensionOID.SUBJECT_KEY_IDENTIFIER + + def __init__(self, digest: bytes): + self._digest = digest + + @classmethod + def from_public_key( + cls, public_key: _PUBLIC_KEY_TYPES + ) -> "SubjectKeyIdentifier": + return cls(_key_identifier_from_public_key(public_key)) + + digest = utils.read_only_property("_digest") + + def __repr__(self): + return "".format(self.digest) + + def __eq__(self, other): + if not isinstance(other, SubjectKeyIdentifier): + return NotImplemented + + return constant_time.bytes_eq(self.digest, other.digest) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.digest) + + +class AuthorityInformationAccess(ExtensionType): + oid = ExtensionOID.AUTHORITY_INFORMATION_ACCESS + + def __init__(self, descriptions: typing.Iterable["AccessDescription"]): + descriptions = list(descriptions) + if not all(isinstance(x, AccessDescription) for x in descriptions): + raise TypeError( + "Every item in the descriptions list must be an " + "AccessDescription" + ) + + self._descriptions = descriptions + + __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions") + + def __repr__(self): + return "".format(self._descriptions) + + def __eq__(self, other): + if not isinstance(other, AuthorityInformationAccess): + return NotImplemented + + return self._descriptions == other._descriptions + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._descriptions)) + + +class SubjectInformationAccess(ExtensionType): + oid = ExtensionOID.SUBJECT_INFORMATION_ACCESS + + def __init__(self, descriptions: typing.Iterable["AccessDescription"]): + descriptions = list(descriptions) + if not all(isinstance(x, AccessDescription) for x in descriptions): + raise TypeError( + "Every item in the descriptions list must be an " + "AccessDescription" + ) + + self._descriptions = descriptions + + __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions") + + def __repr__(self): + return "".format(self._descriptions) + + def __eq__(self, other): + if not isinstance(other, SubjectInformationAccess): + return NotImplemented + + return self._descriptions == other._descriptions + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._descriptions)) + + +class AccessDescription(object): + def __init__( + self, access_method: ObjectIdentifier, access_location: GeneralName + ): + if not isinstance(access_method, ObjectIdentifier): + raise TypeError("access_method must be an ObjectIdentifier") + + if not isinstance(access_location, GeneralName): + raise TypeError("access_location must be a GeneralName") + + self._access_method = access_method + self._access_location = access_location + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, AccessDescription): + return NotImplemented + + return ( + self.access_method == other.access_method + and self.access_location == other.access_location + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.access_method, self.access_location)) + + access_method = utils.read_only_property("_access_method") + access_location = utils.read_only_property("_access_location") + + +class BasicConstraints(ExtensionType): + oid = ExtensionOID.BASIC_CONSTRAINTS + + def __init__(self, ca: bool, path_length: typing.Optional[int]): + if not isinstance(ca, bool): + raise TypeError("ca must be a boolean value") + + if path_length is not None and not ca: + raise ValueError("path_length must be None when ca is False") + + if path_length is not None and ( + not isinstance(path_length, int) or path_length < 0 + ): + raise TypeError( + "path_length must be a non-negative integer or None" + ) + + self._ca = ca + self._path_length = path_length + + ca = utils.read_only_property("_ca") + path_length = utils.read_only_property("_path_length") + + def __repr__(self): + return ( + "" + ).format(self) + + def __eq__(self, other): + if not isinstance(other, BasicConstraints): + return NotImplemented + + return self.ca == other.ca and self.path_length == other.path_length + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.ca, self.path_length)) + + +class DeltaCRLIndicator(ExtensionType): + oid = ExtensionOID.DELTA_CRL_INDICATOR + + def __init__(self, crl_number: int): + if not isinstance(crl_number, int): + raise TypeError("crl_number must be an integer") + + self._crl_number = crl_number + + crl_number = utils.read_only_property("_crl_number") + + def __eq__(self, other): + if not isinstance(other, DeltaCRLIndicator): + return NotImplemented + + return self.crl_number == other.crl_number + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.crl_number) + + def __repr__(self): + return "".format(self) + + +class CRLDistributionPoints(ExtensionType): + oid = ExtensionOID.CRL_DISTRIBUTION_POINTS + + def __init__( + self, distribution_points: typing.Iterable["DistributionPoint"] + ): + distribution_points = list(distribution_points) + if not all( + isinstance(x, DistributionPoint) for x in distribution_points + ): + raise TypeError( + "distribution_points must be a list of DistributionPoint " + "objects" + ) + + self._distribution_points = distribution_points + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_distribution_points" + ) + + def __repr__(self): + return "".format(self._distribution_points) + + def __eq__(self, other): + if not isinstance(other, CRLDistributionPoints): + return NotImplemented + + return self._distribution_points == other._distribution_points + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._distribution_points)) + + +class FreshestCRL(ExtensionType): + oid = ExtensionOID.FRESHEST_CRL + + def __init__( + self, distribution_points: typing.Iterable["DistributionPoint"] + ): + distribution_points = list(distribution_points) + if not all( + isinstance(x, DistributionPoint) for x in distribution_points + ): + raise TypeError( + "distribution_points must be a list of DistributionPoint " + "objects" + ) + + self._distribution_points = distribution_points + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_distribution_points" + ) + + def __repr__(self): + return "".format(self._distribution_points) + + def __eq__(self, other): + if not isinstance(other, FreshestCRL): + return NotImplemented + + return self._distribution_points == other._distribution_points + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._distribution_points)) + + +class DistributionPoint(object): + def __init__( + self, + full_name: typing.Optional[typing.Iterable[GeneralName]], + relative_name: typing.Optional[RelativeDistinguishedName], + reasons: typing.Optional[typing.FrozenSet["ReasonFlags"]], + crl_issuer: typing.Optional[typing.Iterable[GeneralName]], + ): + if full_name and relative_name: + raise ValueError( + "You cannot provide both full_name and relative_name, at " + "least one must be None." + ) + + if full_name: + full_name = list(full_name) + if not all(isinstance(x, GeneralName) for x in full_name): + raise TypeError( + "full_name must be a list of GeneralName objects" + ) + + if relative_name: + if not isinstance(relative_name, RelativeDistinguishedName): + raise TypeError( + "relative_name must be a RelativeDistinguishedName" + ) + + if crl_issuer: + crl_issuer = list(crl_issuer) + if not all(isinstance(x, GeneralName) for x in crl_issuer): + raise TypeError( + "crl_issuer must be None or a list of general names" + ) + + if reasons and ( + not isinstance(reasons, frozenset) + or not all(isinstance(x, ReasonFlags) for x in reasons) + ): + raise TypeError("reasons must be None or frozenset of ReasonFlags") + + if reasons and ( + ReasonFlags.unspecified in reasons + or ReasonFlags.remove_from_crl in reasons + ): + raise ValueError( + "unspecified and remove_from_crl are not valid reasons in a " + "DistributionPoint" + ) + + if reasons and not crl_issuer and not (full_name or relative_name): + raise ValueError( + "You must supply crl_issuer, full_name, or relative_name when " + "reasons is not None" + ) + + self._full_name = full_name + self._relative_name = relative_name + self._reasons = reasons + self._crl_issuer = crl_issuer + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, DistributionPoint): + return NotImplemented + + return ( + self.full_name == other.full_name + and self.relative_name == other.relative_name + and self.reasons == other.reasons + and self.crl_issuer == other.crl_issuer + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + if self.full_name is not None: + fn: typing.Optional[tuple] = tuple(self.full_name) + else: + fn = None + + if self.crl_issuer is not None: + crl_issuer: typing.Optional[tuple] = tuple(self.crl_issuer) + else: + crl_issuer = None + + return hash((fn, self.relative_name, self.reasons, crl_issuer)) + + full_name = utils.read_only_property("_full_name") + relative_name = utils.read_only_property("_relative_name") + reasons = utils.read_only_property("_reasons") + crl_issuer = utils.read_only_property("_crl_issuer") + + +class ReasonFlags(Enum): + unspecified = "unspecified" + key_compromise = "keyCompromise" + ca_compromise = "cACompromise" + affiliation_changed = "affiliationChanged" + superseded = "superseded" + cessation_of_operation = "cessationOfOperation" + certificate_hold = "certificateHold" + privilege_withdrawn = "privilegeWithdrawn" + aa_compromise = "aACompromise" + remove_from_crl = "removeFromCRL" + + +class PolicyConstraints(ExtensionType): + oid = ExtensionOID.POLICY_CONSTRAINTS + + def __init__( + self, + require_explicit_policy: typing.Optional[int], + inhibit_policy_mapping: typing.Optional[int], + ): + if require_explicit_policy is not None and not isinstance( + require_explicit_policy, int + ): + raise TypeError( + "require_explicit_policy must be a non-negative integer or " + "None" + ) + + if inhibit_policy_mapping is not None and not isinstance( + inhibit_policy_mapping, int + ): + raise TypeError( + "inhibit_policy_mapping must be a non-negative integer or None" + ) + + if inhibit_policy_mapping is None and require_explicit_policy is None: + raise ValueError( + "At least one of require_explicit_policy and " + "inhibit_policy_mapping must not be None" + ) + + self._require_explicit_policy = require_explicit_policy + self._inhibit_policy_mapping = inhibit_policy_mapping + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, PolicyConstraints): + return NotImplemented + + return ( + self.require_explicit_policy == other.require_explicit_policy + and self.inhibit_policy_mapping == other.inhibit_policy_mapping + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash( + (self.require_explicit_policy, self.inhibit_policy_mapping) + ) + + require_explicit_policy = utils.read_only_property( + "_require_explicit_policy" + ) + inhibit_policy_mapping = utils.read_only_property( + "_inhibit_policy_mapping" + ) + + +class CertificatePolicies(ExtensionType): + oid = ExtensionOID.CERTIFICATE_POLICIES + + def __init__(self, policies: typing.Iterable["PolicyInformation"]): + policies = list(policies) + if not all(isinstance(x, PolicyInformation) for x in policies): + raise TypeError( + "Every item in the policies list must be a " + "PolicyInformation" + ) + + self._policies = policies + + __len__, __iter__, __getitem__ = _make_sequence_methods("_policies") + + def __repr__(self): + return "".format(self._policies) + + def __eq__(self, other): + if not isinstance(other, CertificatePolicies): + return NotImplemented + + return self._policies == other._policies + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._policies)) + + +class PolicyInformation(object): + def __init__( + self, + policy_identifier: ObjectIdentifier, + policy_qualifiers: typing.Optional[ + typing.Iterable[typing.Union[str, "UserNotice"]] + ], + ): + if not isinstance(policy_identifier, ObjectIdentifier): + raise TypeError("policy_identifier must be an ObjectIdentifier") + + self._policy_identifier = policy_identifier + + if policy_qualifiers: + policy_qualifiers = list(policy_qualifiers) + if not all( + isinstance(x, (str, UserNotice)) for x in policy_qualifiers + ): + raise TypeError( + "policy_qualifiers must be a list of strings and/or " + "UserNotice objects or None" + ) + + self._policy_qualifiers = policy_qualifiers + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, PolicyInformation): + return NotImplemented + + return ( + self.policy_identifier == other.policy_identifier + and self.policy_qualifiers == other.policy_qualifiers + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + if self.policy_qualifiers is not None: + pq: typing.Optional[tuple] = tuple(self.policy_qualifiers) + else: + pq = None + + return hash((self.policy_identifier, pq)) + + policy_identifier = utils.read_only_property("_policy_identifier") + policy_qualifiers = utils.read_only_property("_policy_qualifiers") + + +class UserNotice(object): + def __init__( + self, + notice_reference: typing.Optional["NoticeReference"], + explicit_text: typing.Optional[str], + ): + if notice_reference and not isinstance( + notice_reference, NoticeReference + ): + raise TypeError( + "notice_reference must be None or a NoticeReference" + ) + + self._notice_reference = notice_reference + self._explicit_text = explicit_text + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, UserNotice): + return NotImplemented + + return ( + self.notice_reference == other.notice_reference + and self.explicit_text == other.explicit_text + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.notice_reference, self.explicit_text)) + + notice_reference = utils.read_only_property("_notice_reference") + explicit_text = utils.read_only_property("_explicit_text") + + +class NoticeReference(object): + def __init__( + self, + organization: typing.Optional[str], + notice_numbers: typing.Iterable[int], + ): + self._organization = organization + notice_numbers = list(notice_numbers) + if not all(isinstance(x, int) for x in notice_numbers): + raise TypeError("notice_numbers must be a list of integers") + + self._notice_numbers = notice_numbers + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, NoticeReference): + return NotImplemented + + return ( + self.organization == other.organization + and self.notice_numbers == other.notice_numbers + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.organization, tuple(self.notice_numbers))) + + organization = utils.read_only_property("_organization") + notice_numbers = utils.read_only_property("_notice_numbers") + + +class ExtendedKeyUsage(ExtensionType): + oid = ExtensionOID.EXTENDED_KEY_USAGE + + def __init__(self, usages: typing.Iterable[ObjectIdentifier]): + usages = list(usages) + if not all(isinstance(x, ObjectIdentifier) for x in usages): + raise TypeError( + "Every item in the usages list must be an ObjectIdentifier" + ) + + self._usages = usages + + __len__, __iter__, __getitem__ = _make_sequence_methods("_usages") + + def __repr__(self): + return "".format(self._usages) + + def __eq__(self, other): + if not isinstance(other, ExtendedKeyUsage): + return NotImplemented + + return self._usages == other._usages + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._usages)) + + +class OCSPNoCheck(ExtensionType): + oid = ExtensionOID.OCSP_NO_CHECK + + def __eq__(self, other): + if not isinstance(other, OCSPNoCheck): + return NotImplemented + + return True + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(OCSPNoCheck) + + def __repr__(self): + return "" + + +class PrecertPoison(ExtensionType): + oid = ExtensionOID.PRECERT_POISON + + def __eq__(self, other): + if not isinstance(other, PrecertPoison): + return NotImplemented + + return True + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(PrecertPoison) + + def __repr__(self): + return "" + + +class TLSFeature(ExtensionType): + oid = ExtensionOID.TLS_FEATURE + + def __init__(self, features: typing.Iterable["TLSFeatureType"]): + features = list(features) + if ( + not all(isinstance(x, TLSFeatureType) for x in features) + or len(features) == 0 + ): + raise TypeError( + "features must be a list of elements from the TLSFeatureType " + "enum" + ) + + self._features = features + + __len__, __iter__, __getitem__ = _make_sequence_methods("_features") + + def __repr__(self): + return "".format(self) + + def __eq__(self, other): + if not isinstance(other, TLSFeature): + return NotImplemented + + return self._features == other._features + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._features)) + + +class TLSFeatureType(Enum): + # status_request is defined in RFC 6066 and is used for what is commonly + # called OCSP Must-Staple when present in the TLS Feature extension in an + # X.509 certificate. + status_request = 5 + # status_request_v2 is defined in RFC 6961 and allows multiple OCSP + # responses to be provided. It is not currently in use by clients or + # servers. + status_request_v2 = 17 + + +_TLS_FEATURE_TYPE_TO_ENUM = {x.value: x for x in TLSFeatureType} + + +class InhibitAnyPolicy(ExtensionType): + oid = ExtensionOID.INHIBIT_ANY_POLICY + + def __init__(self, skip_certs: int): + if not isinstance(skip_certs, int): + raise TypeError("skip_certs must be an integer") + + if skip_certs < 0: + raise ValueError("skip_certs must be a non-negative integer") + + self._skip_certs = skip_certs + + def __repr__(self): + return "".format(self) + + def __eq__(self, other): + if not isinstance(other, InhibitAnyPolicy): + return NotImplemented + + return self.skip_certs == other.skip_certs + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.skip_certs) + + skip_certs = utils.read_only_property("_skip_certs") + + +class KeyUsage(ExtensionType): + oid = ExtensionOID.KEY_USAGE + + def __init__( + self, + digital_signature: bool, + content_commitment: bool, + key_encipherment: bool, + data_encipherment: bool, + key_agreement: bool, + key_cert_sign: bool, + crl_sign: bool, + encipher_only: bool, + decipher_only: bool, + ): + if not key_agreement and (encipher_only or decipher_only): + raise ValueError( + "encipher_only and decipher_only can only be true when " + "key_agreement is true" + ) + + self._digital_signature = digital_signature + self._content_commitment = content_commitment + self._key_encipherment = key_encipherment + self._data_encipherment = data_encipherment + self._key_agreement = key_agreement + self._key_cert_sign = key_cert_sign + self._crl_sign = crl_sign + self._encipher_only = encipher_only + self._decipher_only = decipher_only + + digital_signature = utils.read_only_property("_digital_signature") + content_commitment = utils.read_only_property("_content_commitment") + key_encipherment = utils.read_only_property("_key_encipherment") + data_encipherment = utils.read_only_property("_data_encipherment") + key_agreement = utils.read_only_property("_key_agreement") + key_cert_sign = utils.read_only_property("_key_cert_sign") + crl_sign = utils.read_only_property("_crl_sign") + + @property + def encipher_only(self): + if not self.key_agreement: + raise ValueError( + "encipher_only is undefined unless key_agreement is true" + ) + else: + return self._encipher_only + + @property + def decipher_only(self): + if not self.key_agreement: + raise ValueError( + "decipher_only is undefined unless key_agreement is true" + ) + else: + return self._decipher_only + + def __repr__(self): + try: + encipher_only = self.encipher_only + decipher_only = self.decipher_only + except ValueError: + # Users found None confusing because even though encipher/decipher + # have no meaning unless key_agreement is true, to construct an + # instance of the class you still need to pass False. + encipher_only = False + decipher_only = False + + return ( + "" + ).format(self, encipher_only, decipher_only) + + def __eq__(self, other): + if not isinstance(other, KeyUsage): + return NotImplemented + + return ( + self.digital_signature == other.digital_signature + and self.content_commitment == other.content_commitment + and self.key_encipherment == other.key_encipherment + and self.data_encipherment == other.data_encipherment + and self.key_agreement == other.key_agreement + and self.key_cert_sign == other.key_cert_sign + and self.crl_sign == other.crl_sign + and self._encipher_only == other._encipher_only + and self._decipher_only == other._decipher_only + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash( + ( + self.digital_signature, + self.content_commitment, + self.key_encipherment, + self.data_encipherment, + self.key_agreement, + self.key_cert_sign, + self.crl_sign, + self._encipher_only, + self._decipher_only, + ) + ) + + +class NameConstraints(ExtensionType): + oid = ExtensionOID.NAME_CONSTRAINTS + + def __init__( + self, + permitted_subtrees: typing.Optional[typing.Iterable[GeneralName]], + excluded_subtrees: typing.Optional[typing.Iterable[GeneralName]], + ): + if permitted_subtrees is not None: + permitted_subtrees = list(permitted_subtrees) + if not all(isinstance(x, GeneralName) for x in permitted_subtrees): + raise TypeError( + "permitted_subtrees must be a list of GeneralName objects " + "or None" + ) + + self._validate_ip_name(permitted_subtrees) + + if excluded_subtrees is not None: + excluded_subtrees = list(excluded_subtrees) + if not all(isinstance(x, GeneralName) for x in excluded_subtrees): + raise TypeError( + "excluded_subtrees must be a list of GeneralName objects " + "or None" + ) + + self._validate_ip_name(excluded_subtrees) + + if permitted_subtrees is None and excluded_subtrees is None: + raise ValueError( + "At least one of permitted_subtrees and excluded_subtrees " + "must not be None" + ) + + self._permitted_subtrees = permitted_subtrees + self._excluded_subtrees = excluded_subtrees + + def __eq__(self, other): + if not isinstance(other, NameConstraints): + return NotImplemented + + return ( + self.excluded_subtrees == other.excluded_subtrees + and self.permitted_subtrees == other.permitted_subtrees + ) + + def __ne__(self, other): + return not self == other + + def _validate_ip_name(self, tree): + if any( + isinstance(name, IPAddress) + and not isinstance( + name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network) + ) + for name in tree + ): + raise TypeError( + "IPAddress name constraints must be an IPv4Network or" + " IPv6Network object" + ) + + def __repr__(self): + return ( + "".format(self) + ) + + def __hash__(self): + if self.permitted_subtrees is not None: + ps: typing.Optional[tuple] = tuple(self.permitted_subtrees) + else: + ps = None + + if self.excluded_subtrees is not None: + es: typing.Optional[tuple] = tuple(self.excluded_subtrees) + else: + es = None + + return hash((ps, es)) + + permitted_subtrees = utils.read_only_property("_permitted_subtrees") + excluded_subtrees = utils.read_only_property("_excluded_subtrees") + + +class Extension(object): + def __init__( + self, oid: ObjectIdentifier, critical: bool, value: ExtensionType + ): + if not isinstance(oid, ObjectIdentifier): + raise TypeError( + "oid argument must be an ObjectIdentifier instance." + ) + + if not isinstance(critical, bool): + raise TypeError("critical must be a boolean value") + + self._oid = oid + self._critical = critical + self._value = value + + oid = utils.read_only_property("_oid") + critical = utils.read_only_property("_critical") + value = utils.read_only_property("_value") + + def __repr__(self): + return ( + "" + ).format(self) + + def __eq__(self, other): + if not isinstance(other, Extension): + return NotImplemented + + return ( + self.oid == other.oid + and self.critical == other.critical + and self.value == other.value + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.oid, self.critical, self.value)) + + +class GeneralNames(object): + def __init__(self, general_names: typing.Iterable[GeneralName]): + general_names = list(general_names) + if not all(isinstance(x, GeneralName) for x in general_names): + raise TypeError( + "Every item in the general_names list must be an " + "object conforming to the GeneralName interface" + ) + + self._general_names = general_names + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + def get_values_for_type(self, type: typing.Type[GeneralName]): + # Return the value of each GeneralName, except for OtherName instances + # which we return directly because it has two important properties not + # just one value. + objs = (i for i in self if isinstance(i, type)) + if type != OtherName: + objs = (i.value for i in objs) + return list(objs) + + def __repr__(self): + return "".format(self._general_names) + + def __eq__(self, other): + if not isinstance(other, GeneralNames): + return NotImplemented + + return self._general_names == other._general_names + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(tuple(self._general_names)) + + +class SubjectAlternativeName(ExtensionType): + oid = ExtensionOID.SUBJECT_ALTERNATIVE_NAME + + def __init__(self, general_names: typing.Iterable[GeneralName]): + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + def get_values_for_type(self, type): + return self._general_names.get_values_for_type(type) + + def __repr__(self): + return "".format(self._general_names) + + def __eq__(self, other): + if not isinstance(other, SubjectAlternativeName): + return NotImplemented + + return self._general_names == other._general_names + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self._general_names) + + +class IssuerAlternativeName(ExtensionType): + oid = ExtensionOID.ISSUER_ALTERNATIVE_NAME + + def __init__(self, general_names: typing.Iterable[GeneralName]): + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + def get_values_for_type(self, type): + return self._general_names.get_values_for_type(type) + + def __repr__(self): + return "".format(self._general_names) + + def __eq__(self, other): + if not isinstance(other, IssuerAlternativeName): + return NotImplemented + + return self._general_names == other._general_names + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self._general_names) + + +class CertificateIssuer(ExtensionType): + oid = CRLEntryExtensionOID.CERTIFICATE_ISSUER + + def __init__(self, general_names: typing.Iterable[GeneralName]): + self._general_names = GeneralNames(general_names) + + __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names") + + def get_values_for_type(self, type): + return self._general_names.get_values_for_type(type) + + def __repr__(self): + return "".format(self._general_names) + + def __eq__(self, other): + if not isinstance(other, CertificateIssuer): + return NotImplemented + + return self._general_names == other._general_names + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self._general_names) + + +class CRLReason(ExtensionType): + oid = CRLEntryExtensionOID.CRL_REASON + + def __init__(self, reason: ReasonFlags): + if not isinstance(reason, ReasonFlags): + raise TypeError("reason must be an element from ReasonFlags") + + self._reason = reason + + def __repr__(self): + return "".format(self._reason) + + def __eq__(self, other): + if not isinstance(other, CRLReason): + return NotImplemented + + return self.reason == other.reason + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.reason) + + reason = utils.read_only_property("_reason") + + +class InvalidityDate(ExtensionType): + oid = CRLEntryExtensionOID.INVALIDITY_DATE + + def __init__(self, invalidity_date: datetime.datetime): + if not isinstance(invalidity_date, datetime.datetime): + raise TypeError("invalidity_date must be a datetime.datetime") + + self._invalidity_date = invalidity_date + + def __repr__(self): + return "".format( + self._invalidity_date + ) + + def __eq__(self, other): + if not isinstance(other, InvalidityDate): + return NotImplemented + + return self.invalidity_date == other.invalidity_date + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.invalidity_date) + + invalidity_date = utils.read_only_property("_invalidity_date") + + +class PrecertificateSignedCertificateTimestamps(ExtensionType): + oid = ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS + + def __init__( + self, + signed_certificate_timestamps: typing.Iterable[ + SignedCertificateTimestamp + ], + ): + signed_certificate_timestamps = list(signed_certificate_timestamps) + if not all( + isinstance(sct, SignedCertificateTimestamp) + for sct in signed_certificate_timestamps + ): + raise TypeError( + "Every item in the signed_certificate_timestamps list must be " + "a SignedCertificateTimestamp" + ) + self._signed_certificate_timestamps = signed_certificate_timestamps + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_signed_certificate_timestamps" + ) + + def __repr__(self): + return "".format( + list(self) + ) + + def __hash__(self): + return hash(tuple(self._signed_certificate_timestamps)) + + def __eq__(self, other): + if not isinstance(other, PrecertificateSignedCertificateTimestamps): + return NotImplemented + + return ( + self._signed_certificate_timestamps + == other._signed_certificate_timestamps + ) + + def __ne__(self, other): + return not self == other + + +class SignedCertificateTimestamps(ExtensionType): + oid = ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS + + def __init__( + self, + signed_certificate_timestamps: typing.Iterable[ + SignedCertificateTimestamp + ], + ): + signed_certificate_timestamps = list(signed_certificate_timestamps) + if not all( + isinstance(sct, SignedCertificateTimestamp) + for sct in signed_certificate_timestamps + ): + raise TypeError( + "Every item in the signed_certificate_timestamps list must be " + "a SignedCertificateTimestamp" + ) + self._signed_certificate_timestamps = signed_certificate_timestamps + + __len__, __iter__, __getitem__ = _make_sequence_methods( + "_signed_certificate_timestamps" + ) + + def __repr__(self): + return "".format(list(self)) + + def __hash__(self): + return hash(tuple(self._signed_certificate_timestamps)) + + def __eq__(self, other): + if not isinstance(other, SignedCertificateTimestamps): + return NotImplemented + + return ( + self._signed_certificate_timestamps + == other._signed_certificate_timestamps + ) + + def __ne__(self, other): + return not self == other + + +class OCSPNonce(ExtensionType): + oid = OCSPExtensionOID.NONCE + + def __init__(self, nonce: bytes): + if not isinstance(nonce, bytes): + raise TypeError("nonce must be bytes") + + self._nonce = nonce + + def __eq__(self, other): + if not isinstance(other, OCSPNonce): + return NotImplemented + + return self.nonce == other.nonce + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash(self.nonce) + + def __repr__(self): + return "".format(self) + + nonce = utils.read_only_property("_nonce") + + +class IssuingDistributionPoint(ExtensionType): + oid = ExtensionOID.ISSUING_DISTRIBUTION_POINT + + def __init__( + self, + full_name, + relative_name, + only_contains_user_certs, + only_contains_ca_certs, + only_some_reasons, + indirect_crl, + only_contains_attribute_certs, + ): + if only_some_reasons and ( + not isinstance(only_some_reasons, frozenset) + or not all(isinstance(x, ReasonFlags) for x in only_some_reasons) + ): + raise TypeError( + "only_some_reasons must be None or frozenset of ReasonFlags" + ) + + if only_some_reasons and ( + ReasonFlags.unspecified in only_some_reasons + or ReasonFlags.remove_from_crl in only_some_reasons + ): + raise ValueError( + "unspecified and remove_from_crl are not valid reasons in an " + "IssuingDistributionPoint" + ) + + if not ( + isinstance(only_contains_user_certs, bool) + and isinstance(only_contains_ca_certs, bool) + and isinstance(indirect_crl, bool) + and isinstance(only_contains_attribute_certs, bool) + ): + raise TypeError( + "only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl and only_contains_attribute_certs " + "must all be boolean." + ) + + crl_constraints = [ + only_contains_user_certs, + only_contains_ca_certs, + indirect_crl, + only_contains_attribute_certs, + ] + + if len([x for x in crl_constraints if x]) > 1: + raise ValueError( + "Only one of the following can be set to True: " + "only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl, only_contains_attribute_certs" + ) + + if not any( + [ + only_contains_user_certs, + only_contains_ca_certs, + indirect_crl, + only_contains_attribute_certs, + full_name, + relative_name, + only_some_reasons, + ] + ): + raise ValueError( + "Cannot create empty extension: " + "if only_contains_user_certs, only_contains_ca_certs, " + "indirect_crl, and only_contains_attribute_certs are all False" + ", then either full_name, relative_name, or only_some_reasons " + "must have a value." + ) + + self._only_contains_user_certs = only_contains_user_certs + self._only_contains_ca_certs = only_contains_ca_certs + self._indirect_crl = indirect_crl + self._only_contains_attribute_certs = only_contains_attribute_certs + self._only_some_reasons = only_some_reasons + self._full_name = full_name + self._relative_name = relative_name + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, IssuingDistributionPoint): + return NotImplemented + + return ( + self.full_name == other.full_name + and self.relative_name == other.relative_name + and self.only_contains_user_certs == other.only_contains_user_certs + and self.only_contains_ca_certs == other.only_contains_ca_certs + and self.only_some_reasons == other.only_some_reasons + and self.indirect_crl == other.indirect_crl + and self.only_contains_attribute_certs + == other.only_contains_attribute_certs + ) + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash( + ( + self.full_name, + self.relative_name, + self.only_contains_user_certs, + self.only_contains_ca_certs, + self.only_some_reasons, + self.indirect_crl, + self.only_contains_attribute_certs, + ) + ) + + full_name = utils.read_only_property("_full_name") + relative_name = utils.read_only_property("_relative_name") + only_contains_user_certs = utils.read_only_property( + "_only_contains_user_certs" + ) + only_contains_ca_certs = utils.read_only_property( + "_only_contains_ca_certs" + ) + only_some_reasons = utils.read_only_property("_only_some_reasons") + indirect_crl = utils.read_only_property("_indirect_crl") + only_contains_attribute_certs = utils.read_only_property( + "_only_contains_attribute_certs" + ) + + +class UnrecognizedExtension(ExtensionType): + def __init__(self, oid: ObjectIdentifier, value: bytes): + if not isinstance(oid, ObjectIdentifier): + raise TypeError("oid must be an ObjectIdentifier") + self._oid = oid + self._value = value + + oid = utils.read_only_property("_oid") + value = utils.read_only_property("_value") + + def __repr__(self): + return ( + "".format(self) + ) + + def __eq__(self, other): + if not isinstance(other, UnrecognizedExtension): + return NotImplemented + + return self.oid == other.oid and self.value == other.value + + def __ne__(self, other): + return not self == other + + def __hash__(self): + return hash((self.oid, self.value)) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/general_name.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/general_name.py new file mode 100644 index 0000000..a83471e9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/general_name.py @@ -0,0 +1,292 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import ipaddress +import typing +from email.utils import parseaddr + +from cryptography import utils +from cryptography.x509.name import Name +from cryptography.x509.oid import ObjectIdentifier + + +_GENERAL_NAMES = { + 0: "otherName", + 1: "rfc822Name", + 2: "dNSName", + 3: "x400Address", + 4: "directoryName", + 5: "ediPartyName", + 6: "uniformResourceIdentifier", + 7: "iPAddress", + 8: "registeredID", +} + + +class UnsupportedGeneralNameType(Exception): + def __init__(self, msg, type): + super(UnsupportedGeneralNameType, self).__init__(msg) + self.type = type + + +class GeneralName(metaclass=abc.ABCMeta): + @abc.abstractproperty + def value(self): + """ + Return the value of the object + """ + + +class RFC822Name(GeneralName): + def __init__(self, value: str): + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "RFC822Name values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + name, address = parseaddr(value) + if name or not address: + # parseaddr has found a name (e.g. Name ) or the entire + # value is an empty string. + raise ValueError("Invalid rfc822name value") + + self._value = value + + value = utils.read_only_property("_value") + + @classmethod + def _init_without_validation(cls, value): + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self) -> str: + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RFC822Name): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class DNSName(GeneralName): + def __init__(self, value: str): + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "DNSName values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + self._value = value + + value = utils.read_only_property("_value") + + @classmethod + def _init_without_validation(cls, value): + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self): + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DNSName): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class UniformResourceIdentifier(GeneralName): + def __init__(self, value: str): + if isinstance(value, str): + try: + value.encode("ascii") + except UnicodeEncodeError: + raise ValueError( + "URI values should be passed as an A-label string. " + "This means unicode characters should be encoded via " + "a library like idna." + ) + else: + raise TypeError("value must be string") + + self._value = value + + value = utils.read_only_property("_value") + + @classmethod + def _init_without_validation(cls, value): + instance = cls.__new__(cls) + instance._value = value + return instance + + def __repr__(self) -> str: + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, UniformResourceIdentifier): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class DirectoryName(GeneralName): + def __init__(self, value: Name): + if not isinstance(value, Name): + raise TypeError("value must be a Name") + + self._value = value + + value = utils.read_only_property("_value") + + def __repr__(self) -> str: + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, DirectoryName): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class RegisteredID(GeneralName): + def __init__(self, value: ObjectIdentifier): + if not isinstance(value, ObjectIdentifier): + raise TypeError("value must be an ObjectIdentifier") + + self._value = value + + value = utils.read_only_property("_value") + + def __repr__(self) -> str: + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RegisteredID): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class IPAddress(GeneralName): + def __init__( + self, + value: typing.Union[ + ipaddress.IPv4Address, + ipaddress.IPv6Address, + ipaddress.IPv4Network, + ipaddress.IPv6Network, + ], + ): + if not isinstance( + value, + ( + ipaddress.IPv4Address, + ipaddress.IPv6Address, + ipaddress.IPv4Network, + ipaddress.IPv6Network, + ), + ): + raise TypeError( + "value must be an instance of ipaddress.IPv4Address, " + "ipaddress.IPv6Address, ipaddress.IPv4Network, or " + "ipaddress.IPv6Network" + ) + + self._value = value + + value = utils.read_only_property("_value") + + def __repr__(self) -> str: + return "".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, IPAddress): + return NotImplemented + + return self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self.value) + + +class OtherName(GeneralName): + def __init__(self, type_id: ObjectIdentifier, value: bytes): + if not isinstance(type_id, ObjectIdentifier): + raise TypeError("type_id must be an ObjectIdentifier") + if not isinstance(value, bytes): + raise TypeError("value must be a binary string") + + self._type_id = type_id + self._value = value + + type_id = utils.read_only_property("_type_id") + value = utils.read_only_property("_value") + + def __repr__(self) -> str: + return "".format( + self.type_id, self.value + ) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, OtherName): + return NotImplemented + + return self.type_id == other.type_id and self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash((self.type_id, self.value)) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/name.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/name.py new file mode 100644 index 0000000..a579aa2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/name.py @@ -0,0 +1,254 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing +from enum import Enum + +from cryptography import utils +from cryptography.hazmat.backends import _get_backend +from cryptography.x509.oid import NameOID, ObjectIdentifier + + +class _ASN1Type(Enum): + UTF8String = 12 + NumericString = 18 + PrintableString = 19 + T61String = 20 + IA5String = 22 + UTCTime = 23 + GeneralizedTime = 24 + VisibleString = 26 + UniversalString = 28 + BMPString = 30 + + +_ASN1_TYPE_TO_ENUM = {i.value: i for i in _ASN1Type} +_SENTINEL = object() +_NAMEOID_DEFAULT_TYPE = { + NameOID.COUNTRY_NAME: _ASN1Type.PrintableString, + NameOID.JURISDICTION_COUNTRY_NAME: _ASN1Type.PrintableString, + NameOID.SERIAL_NUMBER: _ASN1Type.PrintableString, + NameOID.DN_QUALIFIER: _ASN1Type.PrintableString, + NameOID.EMAIL_ADDRESS: _ASN1Type.IA5String, + NameOID.DOMAIN_COMPONENT: _ASN1Type.IA5String, +} + +#: Short attribute names from RFC 4514: +#: https://tools.ietf.org/html/rfc4514#page-7 +_NAMEOID_TO_NAME = { + NameOID.COMMON_NAME: "CN", + NameOID.LOCALITY_NAME: "L", + NameOID.STATE_OR_PROVINCE_NAME: "ST", + NameOID.ORGANIZATION_NAME: "O", + NameOID.ORGANIZATIONAL_UNIT_NAME: "OU", + NameOID.COUNTRY_NAME: "C", + NameOID.STREET_ADDRESS: "STREET", + NameOID.DOMAIN_COMPONENT: "DC", + NameOID.USER_ID: "UID", +} + + +def _escape_dn_value(val): + """Escape special characters in RFC4514 Distinguished Name value.""" + + if not val: + return "" + + # See https://tools.ietf.org/html/rfc4514#section-2.4 + val = val.replace("\\", "\\\\") + val = val.replace('"', '\\"') + val = val.replace("+", "\\+") + val = val.replace(",", "\\,") + val = val.replace(";", "\\;") + val = val.replace("<", "\\<") + val = val.replace(">", "\\>") + val = val.replace("\0", "\\00") + + if val[0] in ("#", " "): + val = "\\" + val + if val[-1] == " ": + val = val[:-1] + "\\ " + + return val + + +class NameAttribute(object): + def __init__(self, oid: ObjectIdentifier, value: str, _type=_SENTINEL): + if not isinstance(oid, ObjectIdentifier): + raise TypeError( + "oid argument must be an ObjectIdentifier instance." + ) + + if not isinstance(value, str): + raise TypeError("value argument must be a text type.") + + if ( + oid == NameOID.COUNTRY_NAME + or oid == NameOID.JURISDICTION_COUNTRY_NAME + ): + if len(value.encode("utf8")) != 2: + raise ValueError( + "Country name must be a 2 character country code" + ) + + # The appropriate ASN1 string type varies by OID and is defined across + # multiple RFCs including 2459, 3280, and 5280. In general UTF8String + # is preferred (2459), but 3280 and 5280 specify several OIDs with + # alternate types. This means when we see the sentinel value we need + # to look up whether the OID has a non-UTF8 type. If it does, set it + # to that. Otherwise, UTF8! + if _type == _SENTINEL: + _type = _NAMEOID_DEFAULT_TYPE.get(oid, _ASN1Type.UTF8String) + + if not isinstance(_type, _ASN1Type): + raise TypeError("_type must be from the _ASN1Type enum") + + self._oid = oid + self._value = value + self._type = _type + + oid = utils.read_only_property("_oid") + value = utils.read_only_property("_value") + + def rfc4514_string(self) -> str: + """ + Format as RFC4514 Distinguished Name string. + + Use short attribute name if available, otherwise fall back to OID + dotted string. + """ + key = _NAMEOID_TO_NAME.get(self.oid, self.oid.dotted_string) + return "%s=%s" % (key, _escape_dn_value(self.value)) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, NameAttribute): + return NotImplemented + + return self.oid == other.oid and self.value == other.value + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash((self.oid, self.value)) + + def __repr__(self) -> str: + return "".format(self) + + +class RelativeDistinguishedName(object): + def __init__(self, attributes: typing.Iterable[NameAttribute]): + attributes = list(attributes) + if not attributes: + raise ValueError("a relative distinguished name cannot be empty") + if not all(isinstance(x, NameAttribute) for x in attributes): + raise TypeError("attributes must be an iterable of NameAttribute") + + # Keep list and frozenset to preserve attribute order where it matters + self._attributes = attributes + self._attribute_set = frozenset(attributes) + + if len(self._attribute_set) != len(attributes): + raise ValueError("duplicate attributes are not allowed") + + def get_attributes_for_oid(self, oid) -> typing.List[NameAttribute]: + return [i for i in self if i.oid == oid] + + def rfc4514_string(self) -> str: + """ + Format as RFC4514 Distinguished Name string. + + Within each RDN, attributes are joined by '+', although that is rarely + used in certificates. + """ + return "+".join(attr.rfc4514_string() for attr in self._attributes) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, RelativeDistinguishedName): + return NotImplemented + + return self._attribute_set == other._attribute_set + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + return hash(self._attribute_set) + + def __iter__(self) -> typing.Iterator[NameAttribute]: + return iter(self._attributes) + + def __len__(self) -> int: + return len(self._attributes) + + def __repr__(self) -> str: + return "".format(self.rfc4514_string()) + + +class Name(object): + def __init__(self, attributes): + attributes = list(attributes) + if all(isinstance(x, NameAttribute) for x in attributes): + self._attributes = [ + RelativeDistinguishedName([x]) for x in attributes + ] + elif all(isinstance(x, RelativeDistinguishedName) for x in attributes): + self._attributes = attributes + else: + raise TypeError( + "attributes must be a list of NameAttribute" + " or a list RelativeDistinguishedName" + ) + + def rfc4514_string(self) -> str: + """ + Format as RFC4514 Distinguished Name string. + For example 'CN=foobar.com,O=Foo Corp,C=US' + + An X.509 name is a two-level structure: a list of sets of attributes. + Each list element is separated by ',' and within each list element, set + elements are separated by '+'. The latter is almost never used in + real world certificates. According to RFC4514 section 2.1 the + RDNSequence must be reversed when converting to string representation. + """ + return ",".join( + attr.rfc4514_string() for attr in reversed(self._attributes) + ) + + def get_attributes_for_oid(self, oid) -> typing.List[NameAttribute]: + return [i for i in self if i.oid == oid] + + @property + def rdns(self) -> typing.Iterable[RelativeDistinguishedName]: + return self._attributes + + def public_bytes(self, backend=None) -> bytes: + backend = _get_backend(backend) + return backend.x509_name_bytes(self) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, Name): + return NotImplemented + + return self._attributes == other._attributes + + def __ne__(self, other: object) -> bool: + return not self == other + + def __hash__(self) -> int: + # TODO: this is relatively expensive, if this looks like a bottleneck + # for you, consider optimizing! + return hash(tuple(self._attributes)) + + def __iter__(self) -> typing.Iterator[NameAttribute]: + for rdn in self._attributes: + for ava in rdn: + yield ava + + def __len__(self) -> int: + return sum(len(rdn) for rdn in self._attributes) + + def __repr__(self) -> str: + rdns = ",".join(attr.rfc4514_string() for attr in self._attributes) + return "".format(rdns) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/ocsp.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/ocsp.py new file mode 100644 index 0000000..1c5de73 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/ocsp.py @@ -0,0 +1,491 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + + +import abc +import datetime +import typing +from enum import Enum + +from cryptography import x509 +from cryptography.hazmat.primitives import hashes, serialization +from cryptography.x509.base import ( + _EARLIEST_UTC_TIME, + _PRIVATE_KEY_TYPES, + _convert_to_naive_utc_time, + _reject_duplicate_extension, +) + + +_OIDS_TO_HASH = { + "1.3.14.3.2.26": hashes.SHA1(), + "2.16.840.1.101.3.4.2.4": hashes.SHA224(), + "2.16.840.1.101.3.4.2.1": hashes.SHA256(), + "2.16.840.1.101.3.4.2.2": hashes.SHA384(), + "2.16.840.1.101.3.4.2.3": hashes.SHA512(), +} + + +class OCSPResponderEncoding(Enum): + HASH = "By Hash" + NAME = "By Name" + + +class OCSPResponseStatus(Enum): + SUCCESSFUL = 0 + MALFORMED_REQUEST = 1 + INTERNAL_ERROR = 2 + TRY_LATER = 3 + SIG_REQUIRED = 5 + UNAUTHORIZED = 6 + + +_RESPONSE_STATUS_TO_ENUM = {x.value: x for x in OCSPResponseStatus} +_ALLOWED_HASHES = ( + hashes.SHA1, + hashes.SHA224, + hashes.SHA256, + hashes.SHA384, + hashes.SHA512, +) + + +def _verify_algorithm(algorithm): + if not isinstance(algorithm, _ALLOWED_HASHES): + raise ValueError( + "Algorithm must be SHA1, SHA224, SHA256, SHA384, or SHA512" + ) + + +class OCSPCertStatus(Enum): + GOOD = 0 + REVOKED = 1 + UNKNOWN = 2 + + +_CERT_STATUS_TO_ENUM = {x.value: x for x in OCSPCertStatus} + + +class _SingleResponse(object): + def __init__( + self, + cert, + issuer, + algorithm, + cert_status, + this_update, + next_update, + revocation_time, + revocation_reason, + ): + if not isinstance(cert, x509.Certificate) or not isinstance( + issuer, x509.Certificate + ): + raise TypeError("cert and issuer must be a Certificate") + + _verify_algorithm(algorithm) + if not isinstance(this_update, datetime.datetime): + raise TypeError("this_update must be a datetime object") + if next_update is not None and not isinstance( + next_update, datetime.datetime + ): + raise TypeError("next_update must be a datetime object or None") + + self._cert = cert + self._issuer = issuer + self._algorithm = algorithm + self._this_update = this_update + self._next_update = next_update + + if not isinstance(cert_status, OCSPCertStatus): + raise TypeError( + "cert_status must be an item from the OCSPCertStatus enum" + ) + if cert_status is not OCSPCertStatus.REVOKED: + if revocation_time is not None: + raise ValueError( + "revocation_time can only be provided if the certificate " + "is revoked" + ) + if revocation_reason is not None: + raise ValueError( + "revocation_reason can only be provided if the certificate" + " is revoked" + ) + else: + if not isinstance(revocation_time, datetime.datetime): + raise TypeError("revocation_time must be a datetime object") + + revocation_time = _convert_to_naive_utc_time(revocation_time) + if revocation_time < _EARLIEST_UTC_TIME: + raise ValueError( + "The revocation_time must be on or after" + " 1950 January 1." + ) + + if revocation_reason is not None and not isinstance( + revocation_reason, x509.ReasonFlags + ): + raise TypeError( + "revocation_reason must be an item from the ReasonFlags " + "enum or None" + ) + + self._cert_status = cert_status + self._revocation_time = revocation_time + self._revocation_reason = revocation_reason + + +class OCSPRequest(metaclass=abc.ABCMeta): + @abc.abstractproperty + def issuer_key_hash(self) -> bytes: + """ + The hash of the issuer public key + """ + + @abc.abstractproperty + def issuer_name_hash(self) -> bytes: + """ + The hash of the issuer name + """ + + @abc.abstractproperty + def hash_algorithm(self) -> hashes.HashAlgorithm: + """ + The hash algorithm used in the issuer name and key hashes + """ + + @abc.abstractproperty + def serial_number(self) -> int: + """ + The serial number of the cert whose status is being checked + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the request to DER + """ + + @abc.abstractproperty + def extensions(self) -> x509.Extensions: + """ + The list of request extensions. Not single request extensions. + """ + + +class OCSPResponse(metaclass=abc.ABCMeta): + @abc.abstractproperty + def response_status(self) -> OCSPResponseStatus: + """ + The status of the response. This is a value from the OCSPResponseStatus + enumeration + """ + + @abc.abstractproperty + def signature_algorithm_oid(self) -> x509.ObjectIdentifier: + """ + The ObjectIdentifier of the signature algorithm + """ + + @abc.abstractproperty + def signature_hash_algorithm( + self, + ) -> typing.Optional[hashes.HashAlgorithm]: + """ + Returns a HashAlgorithm corresponding to the type of the digest signed + """ + + @abc.abstractproperty + def signature(self) -> bytes: + """ + The signature bytes + """ + + @abc.abstractproperty + def tbs_response_bytes(self) -> bytes: + """ + The tbsResponseData bytes + """ + + @abc.abstractproperty + def certificates(self) -> typing.List[x509.Certificate]: + """ + A list of certificates used to help build a chain to verify the OCSP + response. This situation occurs when the OCSP responder uses a delegate + certificate. + """ + + @abc.abstractproperty + def responder_key_hash(self) -> typing.Optional[bytes]: + """ + The responder's key hash or None + """ + + @abc.abstractproperty + def responder_name(self) -> typing.Optional[x509.Name]: + """ + The responder's Name or None + """ + + @abc.abstractproperty + def produced_at(self) -> datetime.datetime: + """ + The time the response was produced + """ + + @abc.abstractproperty + def certificate_status(self) -> OCSPCertStatus: + """ + The status of the certificate (an element from the OCSPCertStatus enum) + """ + + @abc.abstractproperty + def revocation_time(self) -> typing.Optional[datetime.datetime]: + """ + The date of when the certificate was revoked or None if not + revoked. + """ + + @abc.abstractproperty + def revocation_reason(self) -> typing.Optional[x509.ReasonFlags]: + """ + The reason the certificate was revoked or None if not specified or + not revoked. + """ + + @abc.abstractproperty + def this_update(self) -> datetime.datetime: + """ + The most recent time at which the status being indicated is known by + the responder to have been correct + """ + + @abc.abstractproperty + def next_update(self) -> typing.Optional[datetime.datetime]: + """ + The time when newer information will be available + """ + + @abc.abstractproperty + def issuer_key_hash(self) -> bytes: + """ + The hash of the issuer public key + """ + + @abc.abstractproperty + def issuer_name_hash(self) -> bytes: + """ + The hash of the issuer name + """ + + @abc.abstractproperty + def hash_algorithm(self) -> hashes.HashAlgorithm: + """ + The hash algorithm used in the issuer name and key hashes + """ + + @abc.abstractproperty + def serial_number(self) -> int: + """ + The serial number of the cert whose status is being checked + """ + + @abc.abstractproperty + def extensions(self) -> x509.Extensions: + """ + The list of response extensions. Not single response extensions. + """ + + @abc.abstractproperty + def single_extensions(self) -> x509.Extensions: + """ + The list of single response extensions. Not response extensions. + """ + + @abc.abstractmethod + def public_bytes(self, encoding: serialization.Encoding) -> bytes: + """ + Serializes the response to DER + """ + + +class OCSPRequestBuilder(object): + def __init__(self, request=None, extensions=[]): + self._request = request + self._extensions = extensions + + def add_certificate( + self, + cert: x509.Certificate, + issuer: x509.Certificate, + algorithm: hashes.HashAlgorithm, + ) -> "OCSPRequestBuilder": + if self._request is not None: + raise ValueError("Only one certificate can be added to a request") + + _verify_algorithm(algorithm) + if not isinstance(cert, x509.Certificate) or not isinstance( + issuer, x509.Certificate + ): + raise TypeError("cert and issuer must be a Certificate") + + return OCSPRequestBuilder((cert, issuer, algorithm), self._extensions) + + def add_extension( + self, extval: x509.ExtensionType, critical: bool + ) -> "OCSPRequestBuilder": + if not isinstance(extval, x509.ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = x509.Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return OCSPRequestBuilder( + self._request, self._extensions + [extension] + ) + + def build(self) -> OCSPRequest: + from cryptography.hazmat.backends.openssl.backend import backend + + if self._request is None: + raise ValueError("You must add a certificate before building") + + return backend.create_ocsp_request(self) + + +class OCSPResponseBuilder(object): + def __init__( + self, response=None, responder_id=None, certs=None, extensions=[] + ): + self._response = response + self._responder_id = responder_id + self._certs = certs + self._extensions = extensions + + def add_response( + self, + cert: x509.Certificate, + issuer: x509.Certificate, + algorithm: hashes.HashAlgorithm, + cert_status: OCSPCertStatus, + this_update: datetime.datetime, + next_update: typing.Optional[datetime.datetime], + revocation_time: typing.Optional[datetime.datetime], + revocation_reason: typing.Optional[x509.ReasonFlags], + ) -> "OCSPResponseBuilder": + if self._response is not None: + raise ValueError("Only one response per OCSPResponse.") + + singleresp = _SingleResponse( + cert, + issuer, + algorithm, + cert_status, + this_update, + next_update, + revocation_time, + revocation_reason, + ) + return OCSPResponseBuilder( + singleresp, + self._responder_id, + self._certs, + self._extensions, + ) + + def responder_id( + self, encoding: OCSPResponderEncoding, responder_cert: x509.Certificate + ) -> "OCSPResponseBuilder": + if self._responder_id is not None: + raise ValueError("responder_id can only be set once") + if not isinstance(responder_cert, x509.Certificate): + raise TypeError("responder_cert must be a Certificate") + if not isinstance(encoding, OCSPResponderEncoding): + raise TypeError( + "encoding must be an element from OCSPResponderEncoding" + ) + + return OCSPResponseBuilder( + self._response, + (responder_cert, encoding), + self._certs, + self._extensions, + ) + + def certificates( + self, certs: typing.Iterable[x509.Certificate] + ) -> "OCSPResponseBuilder": + if self._certs is not None: + raise ValueError("certificates may only be set once") + certs = list(certs) + if len(certs) == 0: + raise ValueError("certs must not be an empty list") + if not all(isinstance(x, x509.Certificate) for x in certs): + raise TypeError("certs must be a list of Certificates") + return OCSPResponseBuilder( + self._response, + self._responder_id, + certs, + self._extensions, + ) + + def add_extension( + self, extval: x509.ExtensionType, critical: bool + ) -> "OCSPResponseBuilder": + if not isinstance(extval, x509.ExtensionType): + raise TypeError("extension must be an ExtensionType") + + extension = x509.Extension(extval.oid, critical, extval) + _reject_duplicate_extension(extension, self._extensions) + + return OCSPResponseBuilder( + self._response, + self._responder_id, + self._certs, + self._extensions + [extension], + ) + + def sign( + self, + private_key: _PRIVATE_KEY_TYPES, + algorithm: typing.Optional[hashes.HashAlgorithm], + ) -> OCSPResponse: + from cryptography.hazmat.backends.openssl.backend import backend + + if self._response is None: + raise ValueError("You must add a response before signing") + if self._responder_id is None: + raise ValueError("You must add a responder_id before signing") + + return backend.create_ocsp_response( + OCSPResponseStatus.SUCCESSFUL, self, private_key, algorithm + ) + + @classmethod + def build_unsuccessful( + cls, response_status: OCSPResponseStatus + ) -> OCSPResponse: + from cryptography.hazmat.backends.openssl.backend import backend + + if not isinstance(response_status, OCSPResponseStatus): + raise TypeError( + "response_status must be an item from OCSPResponseStatus" + ) + if response_status is OCSPResponseStatus.SUCCESSFUL: + raise ValueError("response_status cannot be SUCCESSFUL") + + return backend.create_ocsp_response(response_status, None, None, None) + + +def load_der_ocsp_request(data: bytes) -> OCSPRequest: + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_der_ocsp_request(data) + + +def load_der_ocsp_response(data: bytes) -> OCSPResponse: + from cryptography.hazmat.backends.openssl.backend import backend + + return backend.load_der_ocsp_response(data) diff --git a/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/oid.py b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/oid.py new file mode 100644 index 0000000..c7695bd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/cryptography/x509/oid.py @@ -0,0 +1,267 @@ +# This file is dual licensed under the terms of the Apache License, Version +# 2.0, and the BSD License. See the LICENSE file in the root of this repository +# for complete details. + +import typing + +from cryptography.hazmat._oid import ObjectIdentifier +from cryptography.hazmat.primitives import hashes + + +class ExtensionOID(object): + SUBJECT_DIRECTORY_ATTRIBUTES = ObjectIdentifier("2.5.29.9") + SUBJECT_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.14") + KEY_USAGE = ObjectIdentifier("2.5.29.15") + SUBJECT_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.17") + ISSUER_ALTERNATIVE_NAME = ObjectIdentifier("2.5.29.18") + BASIC_CONSTRAINTS = ObjectIdentifier("2.5.29.19") + NAME_CONSTRAINTS = ObjectIdentifier("2.5.29.30") + CRL_DISTRIBUTION_POINTS = ObjectIdentifier("2.5.29.31") + CERTIFICATE_POLICIES = ObjectIdentifier("2.5.29.32") + POLICY_MAPPINGS = ObjectIdentifier("2.5.29.33") + AUTHORITY_KEY_IDENTIFIER = ObjectIdentifier("2.5.29.35") + POLICY_CONSTRAINTS = ObjectIdentifier("2.5.29.36") + EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37") + FRESHEST_CRL = ObjectIdentifier("2.5.29.46") + INHIBIT_ANY_POLICY = ObjectIdentifier("2.5.29.54") + ISSUING_DISTRIBUTION_POINT = ObjectIdentifier("2.5.29.28") + AUTHORITY_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.1") + SUBJECT_INFORMATION_ACCESS = ObjectIdentifier("1.3.6.1.5.5.7.1.11") + OCSP_NO_CHECK = ObjectIdentifier("1.3.6.1.5.5.7.48.1.5") + TLS_FEATURE = ObjectIdentifier("1.3.6.1.5.5.7.1.24") + CRL_NUMBER = ObjectIdentifier("2.5.29.20") + DELTA_CRL_INDICATOR = ObjectIdentifier("2.5.29.27") + PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier( + "1.3.6.1.4.1.11129.2.4.2" + ) + PRECERT_POISON = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.3") + SIGNED_CERTIFICATE_TIMESTAMPS = ObjectIdentifier("1.3.6.1.4.1.11129.2.4.5") + + +class OCSPExtensionOID(object): + NONCE = ObjectIdentifier("1.3.6.1.5.5.7.48.1.2") + + +class CRLEntryExtensionOID(object): + CERTIFICATE_ISSUER = ObjectIdentifier("2.5.29.29") + CRL_REASON = ObjectIdentifier("2.5.29.21") + INVALIDITY_DATE = ObjectIdentifier("2.5.29.24") + + +class NameOID(object): + COMMON_NAME = ObjectIdentifier("2.5.4.3") + COUNTRY_NAME = ObjectIdentifier("2.5.4.6") + LOCALITY_NAME = ObjectIdentifier("2.5.4.7") + STATE_OR_PROVINCE_NAME = ObjectIdentifier("2.5.4.8") + STREET_ADDRESS = ObjectIdentifier("2.5.4.9") + ORGANIZATION_NAME = ObjectIdentifier("2.5.4.10") + ORGANIZATIONAL_UNIT_NAME = ObjectIdentifier("2.5.4.11") + SERIAL_NUMBER = ObjectIdentifier("2.5.4.5") + SURNAME = ObjectIdentifier("2.5.4.4") + GIVEN_NAME = ObjectIdentifier("2.5.4.42") + TITLE = ObjectIdentifier("2.5.4.12") + GENERATION_QUALIFIER = ObjectIdentifier("2.5.4.44") + X500_UNIQUE_IDENTIFIER = ObjectIdentifier("2.5.4.45") + DN_QUALIFIER = ObjectIdentifier("2.5.4.46") + PSEUDONYM = ObjectIdentifier("2.5.4.65") + USER_ID = ObjectIdentifier("0.9.2342.19200300.100.1.1") + DOMAIN_COMPONENT = ObjectIdentifier("0.9.2342.19200300.100.1.25") + EMAIL_ADDRESS = ObjectIdentifier("1.2.840.113549.1.9.1") + JURISDICTION_COUNTRY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.3") + JURISDICTION_LOCALITY_NAME = ObjectIdentifier("1.3.6.1.4.1.311.60.2.1.1") + JURISDICTION_STATE_OR_PROVINCE_NAME = ObjectIdentifier( + "1.3.6.1.4.1.311.60.2.1.2" + ) + BUSINESS_CATEGORY = ObjectIdentifier("2.5.4.15") + POSTAL_ADDRESS = ObjectIdentifier("2.5.4.16") + POSTAL_CODE = ObjectIdentifier("2.5.4.17") + INN = ObjectIdentifier("1.2.643.3.131.1.1") + OGRN = ObjectIdentifier("1.2.643.100.1") + SNILS = ObjectIdentifier("1.2.643.100.3") + UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2") + + +class SignatureAlgorithmOID(object): + RSA_WITH_MD5 = ObjectIdentifier("1.2.840.113549.1.1.4") + RSA_WITH_SHA1 = ObjectIdentifier("1.2.840.113549.1.1.5") + # This is an alternate OID for RSA with SHA1 that is occasionally seen + _RSA_WITH_SHA1 = ObjectIdentifier("1.3.14.3.2.29") + RSA_WITH_SHA224 = ObjectIdentifier("1.2.840.113549.1.1.14") + RSA_WITH_SHA256 = ObjectIdentifier("1.2.840.113549.1.1.11") + RSA_WITH_SHA384 = ObjectIdentifier("1.2.840.113549.1.1.12") + RSA_WITH_SHA512 = ObjectIdentifier("1.2.840.113549.1.1.13") + RSASSA_PSS = ObjectIdentifier("1.2.840.113549.1.1.10") + ECDSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10045.4.1") + ECDSA_WITH_SHA224 = ObjectIdentifier("1.2.840.10045.4.3.1") + ECDSA_WITH_SHA256 = ObjectIdentifier("1.2.840.10045.4.3.2") + ECDSA_WITH_SHA384 = ObjectIdentifier("1.2.840.10045.4.3.3") + ECDSA_WITH_SHA512 = ObjectIdentifier("1.2.840.10045.4.3.4") + DSA_WITH_SHA1 = ObjectIdentifier("1.2.840.10040.4.3") + DSA_WITH_SHA224 = ObjectIdentifier("2.16.840.1.101.3.4.3.1") + DSA_WITH_SHA256 = ObjectIdentifier("2.16.840.1.101.3.4.3.2") + ED25519 = ObjectIdentifier("1.3.101.112") + ED448 = ObjectIdentifier("1.3.101.113") + GOSTR3411_94_WITH_3410_2001 = ObjectIdentifier("1.2.643.2.2.3") + GOSTR3410_2012_WITH_3411_2012_256 = ObjectIdentifier("1.2.643.7.1.1.3.2") + GOSTR3410_2012_WITH_3411_2012_512 = ObjectIdentifier("1.2.643.7.1.1.3.3") + + +_SIG_OIDS_TO_HASH: typing.Dict[ + ObjectIdentifier, typing.Optional[hashes.HashAlgorithm] +] = { + SignatureAlgorithmOID.RSA_WITH_MD5: hashes.MD5(), + SignatureAlgorithmOID.RSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID._RSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.RSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.RSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.RSA_WITH_SHA384: hashes.SHA384(), + SignatureAlgorithmOID.RSA_WITH_SHA512: hashes.SHA512(), + SignatureAlgorithmOID.ECDSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.ECDSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.ECDSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.ECDSA_WITH_SHA384: hashes.SHA384(), + SignatureAlgorithmOID.ECDSA_WITH_SHA512: hashes.SHA512(), + SignatureAlgorithmOID.DSA_WITH_SHA1: hashes.SHA1(), + SignatureAlgorithmOID.DSA_WITH_SHA224: hashes.SHA224(), + SignatureAlgorithmOID.DSA_WITH_SHA256: hashes.SHA256(), + SignatureAlgorithmOID.ED25519: None, + SignatureAlgorithmOID.ED448: None, + SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: None, + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: None, + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: None, +} + + +class ExtendedKeyUsageOID(object): + SERVER_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.1") + CLIENT_AUTH = ObjectIdentifier("1.3.6.1.5.5.7.3.2") + CODE_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.3") + EMAIL_PROTECTION = ObjectIdentifier("1.3.6.1.5.5.7.3.4") + TIME_STAMPING = ObjectIdentifier("1.3.6.1.5.5.7.3.8") + OCSP_SIGNING = ObjectIdentifier("1.3.6.1.5.5.7.3.9") + ANY_EXTENDED_KEY_USAGE = ObjectIdentifier("2.5.29.37.0") + + +class AuthorityInformationAccessOID(object): + CA_ISSUERS = ObjectIdentifier("1.3.6.1.5.5.7.48.2") + OCSP = ObjectIdentifier("1.3.6.1.5.5.7.48.1") + + +class SubjectInformationAccessOID(object): + CA_REPOSITORY = ObjectIdentifier("1.3.6.1.5.5.7.48.5") + + +class CertificatePoliciesOID(object): + CPS_QUALIFIER = ObjectIdentifier("1.3.6.1.5.5.7.2.1") + CPS_USER_NOTICE = ObjectIdentifier("1.3.6.1.5.5.7.2.2") + ANY_POLICY = ObjectIdentifier("2.5.29.32.0") + + +class AttributeOID(object): + CHALLENGE_PASSWORD = ObjectIdentifier("1.2.840.113549.1.9.7") + UNSTRUCTURED_NAME = ObjectIdentifier("1.2.840.113549.1.9.2") + + +_OID_NAMES = { + NameOID.COMMON_NAME: "commonName", + NameOID.COUNTRY_NAME: "countryName", + NameOID.LOCALITY_NAME: "localityName", + NameOID.STATE_OR_PROVINCE_NAME: "stateOrProvinceName", + NameOID.STREET_ADDRESS: "streetAddress", + NameOID.ORGANIZATION_NAME: "organizationName", + NameOID.ORGANIZATIONAL_UNIT_NAME: "organizationalUnitName", + NameOID.SERIAL_NUMBER: "serialNumber", + NameOID.SURNAME: "surname", + NameOID.GIVEN_NAME: "givenName", + NameOID.TITLE: "title", + NameOID.GENERATION_QUALIFIER: "generationQualifier", + NameOID.X500_UNIQUE_IDENTIFIER: "x500UniqueIdentifier", + NameOID.DN_QUALIFIER: "dnQualifier", + NameOID.PSEUDONYM: "pseudonym", + NameOID.USER_ID: "userID", + NameOID.DOMAIN_COMPONENT: "domainComponent", + NameOID.EMAIL_ADDRESS: "emailAddress", + NameOID.JURISDICTION_COUNTRY_NAME: "jurisdictionCountryName", + NameOID.JURISDICTION_LOCALITY_NAME: "jurisdictionLocalityName", + NameOID.JURISDICTION_STATE_OR_PROVINCE_NAME: ( + "jurisdictionStateOrProvinceName" + ), + NameOID.BUSINESS_CATEGORY: "businessCategory", + NameOID.POSTAL_ADDRESS: "postalAddress", + NameOID.POSTAL_CODE: "postalCode", + NameOID.INN: "INN", + NameOID.OGRN: "OGRN", + NameOID.SNILS: "SNILS", + NameOID.UNSTRUCTURED_NAME: "unstructuredName", + SignatureAlgorithmOID.RSA_WITH_MD5: "md5WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA1: "sha1WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA224: "sha224WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA256: "sha256WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA384: "sha384WithRSAEncryption", + SignatureAlgorithmOID.RSA_WITH_SHA512: "sha512WithRSAEncryption", + SignatureAlgorithmOID.RSASSA_PSS: "RSASSA-PSS", + SignatureAlgorithmOID.ECDSA_WITH_SHA1: "ecdsa-with-SHA1", + SignatureAlgorithmOID.ECDSA_WITH_SHA224: "ecdsa-with-SHA224", + SignatureAlgorithmOID.ECDSA_WITH_SHA256: "ecdsa-with-SHA256", + SignatureAlgorithmOID.ECDSA_WITH_SHA384: "ecdsa-with-SHA384", + SignatureAlgorithmOID.ECDSA_WITH_SHA512: "ecdsa-with-SHA512", + SignatureAlgorithmOID.DSA_WITH_SHA1: "dsa-with-sha1", + SignatureAlgorithmOID.DSA_WITH_SHA224: "dsa-with-sha224", + SignatureAlgorithmOID.DSA_WITH_SHA256: "dsa-with-sha256", + SignatureAlgorithmOID.ED25519: "ed25519", + SignatureAlgorithmOID.ED448: "ed448", + SignatureAlgorithmOID.GOSTR3411_94_WITH_3410_2001: ( + "GOST R 34.11-94 with GOST R 34.10-2001" + ), + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_256: ( + "GOST R 34.10-2012 with GOST R 34.11-2012 (256 bit)" + ), + SignatureAlgorithmOID.GOSTR3410_2012_WITH_3411_2012_512: ( + "GOST R 34.10-2012 with GOST R 34.11-2012 (512 bit)" + ), + ExtendedKeyUsageOID.SERVER_AUTH: "serverAuth", + ExtendedKeyUsageOID.CLIENT_AUTH: "clientAuth", + ExtendedKeyUsageOID.CODE_SIGNING: "codeSigning", + ExtendedKeyUsageOID.EMAIL_PROTECTION: "emailProtection", + ExtendedKeyUsageOID.TIME_STAMPING: "timeStamping", + ExtendedKeyUsageOID.OCSP_SIGNING: "OCSPSigning", + ExtensionOID.SUBJECT_DIRECTORY_ATTRIBUTES: "subjectDirectoryAttributes", + ExtensionOID.SUBJECT_KEY_IDENTIFIER: "subjectKeyIdentifier", + ExtensionOID.KEY_USAGE: "keyUsage", + ExtensionOID.SUBJECT_ALTERNATIVE_NAME: "subjectAltName", + ExtensionOID.ISSUER_ALTERNATIVE_NAME: "issuerAltName", + ExtensionOID.BASIC_CONSTRAINTS: "basicConstraints", + ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS: ( + "signedCertificateTimestampList" + ), + ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS: ( + "signedCertificateTimestampList" + ), + ExtensionOID.PRECERT_POISON: "ctPoison", + CRLEntryExtensionOID.CRL_REASON: "cRLReason", + CRLEntryExtensionOID.INVALIDITY_DATE: "invalidityDate", + CRLEntryExtensionOID.CERTIFICATE_ISSUER: "certificateIssuer", + ExtensionOID.NAME_CONSTRAINTS: "nameConstraints", + ExtensionOID.CRL_DISTRIBUTION_POINTS: "cRLDistributionPoints", + ExtensionOID.CERTIFICATE_POLICIES: "certificatePolicies", + ExtensionOID.POLICY_MAPPINGS: "policyMappings", + ExtensionOID.AUTHORITY_KEY_IDENTIFIER: "authorityKeyIdentifier", + ExtensionOID.POLICY_CONSTRAINTS: "policyConstraints", + ExtensionOID.EXTENDED_KEY_USAGE: "extendedKeyUsage", + ExtensionOID.FRESHEST_CRL: "freshestCRL", + ExtensionOID.INHIBIT_ANY_POLICY: "inhibitAnyPolicy", + ExtensionOID.ISSUING_DISTRIBUTION_POINT: ("issuingDistributionPoint"), + ExtensionOID.AUTHORITY_INFORMATION_ACCESS: "authorityInfoAccess", + ExtensionOID.SUBJECT_INFORMATION_ACCESS: "subjectInfoAccess", + ExtensionOID.OCSP_NO_CHECK: "OCSPNoCheck", + ExtensionOID.CRL_NUMBER: "cRLNumber", + ExtensionOID.DELTA_CRL_INDICATOR: "deltaCRLIndicator", + ExtensionOID.TLS_FEATURE: "TLSFeature", + AuthorityInformationAccessOID.OCSP: "OCSP", + AuthorityInformationAccessOID.CA_ISSUERS: "caIssuers", + SubjectInformationAccessOID.CA_REPOSITORY: "caRepository", + CertificatePoliciesOID.CPS_QUALIFIER: "id-qt-cps", + CertificatePoliciesOID.CPS_USER_NOTICE: "id-qt-unotice", + OCSPExtensionOID.NONCE: "OCSPNonce", + AttributeOID.CHALLENGE_PASSWORD: "challengePassword", +} diff --git a/backend/mb-env/lib/python3.9/site-packages/decouple.py b/backend/mb-env/lib/python3.9/site-packages/decouple.py new file mode 100644 index 0000000..0788928 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/decouple.py @@ -0,0 +1,265 @@ +# coding: utf-8 +import os +import sys +import string +from shlex import shlex +from io import open +from collections import OrderedDict +from distutils.util import strtobool + +# Useful for very coarse version differentiation. +PY3 = sys.version_info[0] == 3 + +if PY3: + from configparser import ConfigParser + text_type = str +else: + from ConfigParser import SafeConfigParser as ConfigParser + text_type = unicode + +DEFAULT_ENCODING = 'UTF-8' + +class UndefinedValueError(Exception): + pass + + +class Undefined(object): + """ + Class to represent undefined type. + """ + pass + + +# Reference instance to represent undefined values +undefined = Undefined() + + +class Config(object): + """ + Handle .env file format used by Foreman. + """ + + def __init__(self, repository): + self.repository = repository + + def _cast_boolean(self, value): + """ + Helper to convert config values to boolean as ConfigParser do. + """ + value = str(value) + return bool(value) if value == '' else bool(strtobool(value)) + + @staticmethod + def _cast_do_nothing(value): + return value + + def get(self, option, default=undefined, cast=undefined): + """ + Return the value for option or default if defined. + """ + + # We can't avoid __contains__ because value may be empty. + if option in os.environ: + value = os.environ[option] + elif option in self.repository: + value = self.repository[option] + else: + if isinstance(default, Undefined): + raise UndefinedValueError('{} not found. Declare it as envvar or define a default value.'.format(option)) + + value = default + + if isinstance(cast, Undefined): + cast = self._cast_do_nothing + elif cast is bool: + cast = self._cast_boolean + + return cast(value) + + def __call__(self, *args, **kwargs): + """ + Convenient shortcut to get. + """ + return self.get(*args, **kwargs) + + +class RepositoryEmpty(object): + def __init__(self, source='', encoding=DEFAULT_ENCODING): + pass + + def __contains__(self, key): + return False + + def __getitem__(self, key): + return None + + +class RepositoryIni(RepositoryEmpty): + """ + Retrieves option keys from .ini files. + """ + SECTION = 'settings' + + def __init__(self, source, encoding=DEFAULT_ENCODING): + self.parser = ConfigParser() + with open(source, encoding=encoding) as file_: + self.parser.readfp(file_) + + def __contains__(self, key): + return (key in os.environ or + self.parser.has_option(self.SECTION, key)) + + def __getitem__(self, key): + return self.parser.get(self.SECTION, key) + + +class RepositoryEnv(RepositoryEmpty): + """ + Retrieves option keys from .env files with fall back to os.environ. + """ + def __init__(self, source, encoding=DEFAULT_ENCODING): + self.data = {} + + with open(source, encoding=encoding) as file_: + for line in file_: + line = line.strip() + if not line or line.startswith('#') or '=' not in line: + continue + k, v = line.split('=', 1) + k = k.strip() + v = v.strip() + if len(v) >= 2 and ((v[0] == "'" and v[-1] == "'") or (v[0] == '"' and v[-1] == '"')): + v = v.strip('\'"') + self.data[k] = v + + def __contains__(self, key): + return key in os.environ or key in self.data + + def __getitem__(self, key): + return self.data[key] + + +class AutoConfig(object): + """ + Autodetects the config file and type. + + Parameters + ---------- + search_path : str, optional + Initial search path. If empty, the default search path is the + caller's path. + + """ + SUPPORTED = OrderedDict([ + ('settings.ini', RepositoryIni), + ('.env', RepositoryEnv), + ]) + + encoding = DEFAULT_ENCODING + + def __init__(self, search_path=None): + self.search_path = search_path + self.config = None + + def _find_file(self, path): + # look for all files in the current path + for configfile in self.SUPPORTED: + filename = os.path.join(path, configfile) + if os.path.isfile(filename): + return filename + + # search the parent + parent = os.path.dirname(path) + if parent and parent != os.path.abspath(os.sep): + return self._find_file(parent) + + # reached root without finding any files. + return '' + + def _load(self, path): + # Avoid unintended permission errors + try: + filename = self._find_file(os.path.abspath(path)) + except Exception: + filename = '' + Repository = self.SUPPORTED.get(os.path.basename(filename), RepositoryEmpty) + + self.config = Config(Repository(filename, encoding=self.encoding)) + + def _caller_path(self): + # MAGIC! Get the caller's module path. + frame = sys._getframe() + path = os.path.dirname(frame.f_back.f_back.f_code.co_filename) + return path + + def __call__(self, *args, **kwargs): + if not self.config: + self._load(self.search_path or self._caller_path()) + + return self.config(*args, **kwargs) + + +# A pré-instantiated AutoConfig to improve decouple's usability +# now just import config and start using with no configuration. +config = AutoConfig() + +# Helpers + +class Csv(object): + """ + Produces a csv parser that return a list of transformed elements. + """ + + def __init__(self, cast=text_type, delimiter=',', strip=string.whitespace, post_process=list): + """ + Parameters: + cast -- callable that transforms the item just before it's added to the list. + delimiter -- string of delimiters chars passed to shlex. + strip -- string of non-relevant characters to be passed to str.strip after the split. + post_process -- callable to post process all casted values. Default is `list`. + """ + self.cast = cast + self.delimiter = delimiter + self.strip = strip + self.post_process = post_process + + def __call__(self, value): + """The actual transformation""" + transform = lambda s: self.cast(s.strip(self.strip)) + + splitter = shlex(value, posix=True) + splitter.whitespace = self.delimiter + splitter.whitespace_split = True + + return self.post_process(transform(s) for s in splitter) + + +class Choices(object): + """ + Allows for cast and validation based on a list of choices. + """ + + def __init__(self, flat=None, cast=text_type, choices=None): + """ + Parameters: + flat -- a flat list of valid choices. + cast -- callable that transforms value before validation. + choices -- tuple of Django-like choices. + """ + self.flat = flat or [] + self.cast = cast + self.choices = choices or [] + + self._valid_values = [] + self._valid_values.extend(self.flat) + self._valid_values.extend([value for value, _ in self.choices]) + + + def __call__(self, value): + transform = self.cast(value) + if transform not in self._valid_values: + raise ValueError(( + 'Value not in list: {!r}; valid values are {!r}' + ).format(value, self._valid_values)) + else: + return transform diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dns/__init__.py new file mode 100644 index 0000000..0473ca1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/__init__.py @@ -0,0 +1,66 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""dnspython DNS toolkit""" + +__all__ = [ + 'asyncbackend', + 'asyncquery', + 'asyncresolver', + 'dnssec', + 'e164', + 'edns', + 'entropy', + 'exception', + 'flags', + 'immutable', + 'inet', + 'ipv4', + 'ipv6', + 'message', + 'name', + 'namedict', + 'node', + 'opcode', + 'query', + 'rcode', + 'rdata', + 'rdataclass', + 'rdataset', + 'rdatatype', + 'renderer', + 'resolver', + 'reversename', + 'rrset', + 'serial', + 'set', + 'tokenizer', + 'transaction', + 'tsig', + 'tsigkeyring', + 'ttl', + 'rdtypes', + 'update', + 'version', + 'versioned', + 'wire', + 'xfr', + 'zone', + 'zonefile', +] + +from dns.version import version as __version__ # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_asyncbackend.py b/backend/mb-env/lib/python3.9/site-packages/dns/_asyncbackend.py new file mode 100644 index 0000000..c7ecfad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_asyncbackend.py @@ -0,0 +1,60 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# This is a nullcontext for both sync and async. 3.7 has a nullcontext, +# but it is only for sync use. + +class NullContext: + def __init__(self, enter_result=None): + self.enter_result = enter_result + + def __enter__(self): + return self.enter_result + + def __exit__(self, exc_type, exc_value, traceback): + pass + + async def __aenter__(self): + return self.enter_result + + async def __aexit__(self, exc_type, exc_value, traceback): + pass + + +# These are declared here so backends can import them without creating +# circular dependencies with dns.asyncbackend. + +class Socket: # pragma: no cover + async def close(self): + pass + + async def __aenter__(self): + return self + + async def __aexit__(self, exc_type, exc_value, traceback): + await self.close() + + +class DatagramSocket(Socket): # pragma: no cover + async def sendto(self, what, destination, timeout): + pass + + async def recvfrom(self, size, timeout): + pass + + +class StreamSocket(Socket): # pragma: no cover + async def sendall(self, what, destination, timeout): + pass + + async def recv(self, size, timeout): + pass + + +class Backend: # pragma: no cover + def name(self): + return 'unknown' + + async def make_socket(self, af, socktype, proto=0, + source=None, destination=None, timeout=None, + ssl_context=None, server_hostname=None): + raise NotImplementedError diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_asyncio_backend.py b/backend/mb-env/lib/python3.9/site-packages/dns/_asyncio_backend.py new file mode 100644 index 0000000..6a56332 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_asyncio_backend.py @@ -0,0 +1,138 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""asyncio library query support""" + +import socket +import asyncio + +import dns._asyncbackend +import dns.exception + + +def _get_running_loop(): + try: + return asyncio.get_running_loop() + except AttributeError: # pragma: no cover + return asyncio.get_event_loop() + + +class _DatagramProtocol: + def __init__(self): + self.transport = None + self.recvfrom = None + + def connection_made(self, transport): + self.transport = transport + + def datagram_received(self, data, addr): + if self.recvfrom: + self.recvfrom.set_result((data, addr)) + self.recvfrom = None + + def error_received(self, exc): # pragma: no cover + if self.recvfrom and not self.recvfrom.done(): + self.recvfrom.set_exception(exc) + + def connection_lost(self, exc): + if self.recvfrom and not self.recvfrom.done(): + self.recvfrom.set_exception(exc) + + def close(self): + self.transport.close() + + +async def _maybe_wait_for(awaitable, timeout): + if timeout: + try: + return await asyncio.wait_for(awaitable, timeout) + except asyncio.TimeoutError: + raise dns.exception.Timeout(timeout=timeout) + else: + return await awaitable + + +class DatagramSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, family, transport, protocol): + self.family = family + self.transport = transport + self.protocol = protocol + + async def sendto(self, what, destination, timeout): # pragma: no cover + # no timeout for asyncio sendto + self.transport.sendto(what, destination) + + async def recvfrom(self, size, timeout): + # ignore size as there's no way I know to tell protocol about it + done = _get_running_loop().create_future() + assert self.protocol.recvfrom is None + self.protocol.recvfrom = done + await _maybe_wait_for(done, timeout) + return done.result() + + async def close(self): + self.protocol.close() + + async def getpeername(self): + return self.transport.get_extra_info('peername') + + async def getsockname(self): + return self.transport.get_extra_info('sockname') + + +class StreamSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, af, reader, writer): + self.family = af + self.reader = reader + self.writer = writer + + async def sendall(self, what, timeout): + self.writer.write(what) + return await _maybe_wait_for(self.writer.drain(), timeout) + + async def recv(self, count, timeout): + return await _maybe_wait_for(self.reader.read(count), + timeout) + + async def close(self): + self.writer.close() + try: + await self.writer.wait_closed() + except AttributeError: # pragma: no cover + pass + + async def getpeername(self): + return self.writer.get_extra_info('peername') + + async def getsockname(self): + return self.writer.get_extra_info('sockname') + + +class Backend(dns._asyncbackend.Backend): + def name(self): + return 'asyncio' + + async def make_socket(self, af, socktype, proto=0, + source=None, destination=None, timeout=None, + ssl_context=None, server_hostname=None): + loop = _get_running_loop() + if socktype == socket.SOCK_DGRAM: + transport, protocol = await loop.create_datagram_endpoint( + _DatagramProtocol, source, family=af, + proto=proto) + return DatagramSocket(af, transport, protocol) + elif socktype == socket.SOCK_STREAM: + (r, w) = await _maybe_wait_for( + asyncio.open_connection(destination[0], + destination[1], + ssl=ssl_context, + family=af, + proto=proto, + local_addr=source, + server_hostname=server_hostname), + timeout) + return StreamSocket(af, r, w) + raise NotImplementedError('unsupported socket ' + + f'type {socktype}') # pragma: no cover + + async def sleep(self, interval): + await asyncio.sleep(interval) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_curio_backend.py b/backend/mb-env/lib/python3.9/site-packages/dns/_curio_backend.py new file mode 100644 index 0000000..894e87c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_curio_backend.py @@ -0,0 +1,108 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""curio async I/O library query support""" + +import socket +import curio +import curio.socket # type: ignore + +import dns._asyncbackend +import dns.exception +import dns.inet + + +def _maybe_timeout(timeout): + if timeout: + return curio.ignore_after(timeout) + else: + return dns._asyncbackend.NullContext() + + +# for brevity +_lltuple = dns.inet.low_level_address_tuple + +# pylint: disable=redefined-outer-name + + +class DatagramSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, socket): + self.socket = socket + self.family = socket.family + + async def sendto(self, what, destination, timeout): + async with _maybe_timeout(timeout): + return await self.socket.sendto(what, destination) + raise dns.exception.Timeout(timeout=timeout) # pragma: no cover + + async def recvfrom(self, size, timeout): + async with _maybe_timeout(timeout): + return await self.socket.recvfrom(size) + raise dns.exception.Timeout(timeout=timeout) + + async def close(self): + await self.socket.close() + + async def getpeername(self): + return self.socket.getpeername() + + async def getsockname(self): + return self.socket.getsockname() + + +class StreamSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, socket): + self.socket = socket + self.family = socket.family + + async def sendall(self, what, timeout): + async with _maybe_timeout(timeout): + return await self.socket.sendall(what) + raise dns.exception.Timeout(timeout=timeout) + + async def recv(self, size, timeout): + async with _maybe_timeout(timeout): + return await self.socket.recv(size) + raise dns.exception.Timeout(timeout=timeout) + + async def close(self): + await self.socket.close() + + async def getpeername(self): + return self.socket.getpeername() + + async def getsockname(self): + return self.socket.getsockname() + + +class Backend(dns._asyncbackend.Backend): + def name(self): + return 'curio' + + async def make_socket(self, af, socktype, proto=0, + source=None, destination=None, timeout=None, + ssl_context=None, server_hostname=None): + if socktype == socket.SOCK_DGRAM: + s = curio.socket.socket(af, socktype, proto) + try: + if source: + s.bind(_lltuple(source, af)) + except Exception: # pragma: no cover + await s.close() + raise + return DatagramSocket(s) + elif socktype == socket.SOCK_STREAM: + if source: + source_addr = _lltuple(source, af) + else: + source_addr = None + async with _maybe_timeout(timeout): + s = await curio.open_connection(destination[0], destination[1], + ssl=ssl_context, + source_addr=source_addr, + server_hostname=server_hostname) + return StreamSocket(s) + raise NotImplementedError('unsupported socket ' + + f'type {socktype}') # pragma: no cover + + async def sleep(self, interval): + await curio.sleep(interval) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_attr.py b/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_attr.py new file mode 100644 index 0000000..f7b9f8b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_attr.py @@ -0,0 +1,84 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# This implementation of the immutable decorator is for python 3.6, +# which doesn't have Context Variables. This implementation is somewhat +# costly for classes with slots, as it adds a __dict__ to them. + + +import inspect + + +class _Immutable: + """Immutable mixin class""" + + # Note we MUST NOT have __slots__ as that causes + # + # TypeError: multiple bases have instance lay-out conflict + # + # when we get mixed in with another class with slots. When we + # get mixed into something with slots, it effectively adds __dict__ to + # the slots of the other class, which allows attribute setting to work, + # albeit at the cost of the dictionary. + + def __setattr__(self, name, value): + if not hasattr(self, '_immutable_init') or \ + self._immutable_init is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__setattr__(name, value) + + def __delattr__(self, name): + if not hasattr(self, '_immutable_init') or \ + self._immutable_init is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__delattr__(name) + + +def _immutable_init(f): + def nf(*args, **kwargs): + try: + # Are we already initializing an immutable class? + previous = args[0]._immutable_init + except AttributeError: + # We are the first! + previous = None + object.__setattr__(args[0], '_immutable_init', args[0]) + try: + # call the actual __init__ + f(*args, **kwargs) + finally: + if not previous: + # If we started the initialzation, establish immutability + # by removing the attribute that allows mutation + object.__delattr__(args[0], '_immutable_init') + nf.__signature__ = inspect.signature(f) + return nf + + +def immutable(cls): + if _Immutable in cls.__mro__: + # Some ancestor already has the mixin, so just make sure we keep + # following the __init__ protocol. + cls.__init__ = _immutable_init(cls.__init__) + if hasattr(cls, '__setstate__'): + cls.__setstate__ = _immutable_init(cls.__setstate__) + ncls = cls + else: + # Mixin the Immutable class and follow the __init__ protocol. + class ncls(_Immutable, cls): + + @_immutable_init + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + if hasattr(cls, '__setstate__'): + @_immutable_init + def __setstate__(self, *args, **kwargs): + super().__setstate__(*args, **kwargs) + + # make ncls have the same name and module as cls + ncls.__name__ = cls.__name__ + ncls.__qualname__ = cls.__qualname__ + ncls.__module__ = cls.__module__ + return ncls diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_ctx.py b/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_ctx.py new file mode 100644 index 0000000..ececdbe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_immutable_ctx.py @@ -0,0 +1,75 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# This implementation of the immutable decorator requires python >= +# 3.7, and is significantly more storage efficient when making classes +# with slots immutable. It's also faster. + +import contextvars +import inspect + + +_in__init__ = contextvars.ContextVar('_immutable_in__init__', default=False) + + +class _Immutable: + """Immutable mixin class""" + + # We set slots to the empty list to say "we don't have any attributes". + # We do this so that if we're mixed in with a class with __slots__, we + # don't cause a __dict__ to be added which would waste space. + + __slots__ = () + + def __setattr__(self, name, value): + if _in__init__.get() is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__setattr__(name, value) + + def __delattr__(self, name): + if _in__init__.get() is not self: + raise TypeError("object doesn't support attribute assignment") + else: + super().__delattr__(name) + + +def _immutable_init(f): + def nf(*args, **kwargs): + previous = _in__init__.set(args[0]) + try: + # call the actual __init__ + f(*args, **kwargs) + finally: + _in__init__.reset(previous) + nf.__signature__ = inspect.signature(f) + return nf + + +def immutable(cls): + if _Immutable in cls.__mro__: + # Some ancestor already has the mixin, so just make sure we keep + # following the __init__ protocol. + cls.__init__ = _immutable_init(cls.__init__) + if hasattr(cls, '__setstate__'): + cls.__setstate__ = _immutable_init(cls.__setstate__) + ncls = cls + else: + # Mixin the Immutable class and follow the __init__ protocol. + class ncls(_Immutable, cls): + # We have to do the __slots__ declaration here too! + __slots__ = () + + @_immutable_init + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + if hasattr(cls, '__setstate__'): + @_immutable_init + def __setstate__(self, *args, **kwargs): + super().__setstate__(*args, **kwargs) + + # make ncls have the same name and module as cls + ncls.__name__ = cls.__name__ + ncls.__qualname__ = cls.__qualname__ + ncls.__module__ = cls.__module__ + return ncls diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/_trio_backend.py b/backend/mb-env/lib/python3.9/site-packages/dns/_trio_backend.py new file mode 100644 index 0000000..82512cd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/_trio_backend.py @@ -0,0 +1,121 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""trio async I/O library query support""" + +import socket +import trio +import trio.socket # type: ignore + +import dns._asyncbackend +import dns.exception +import dns.inet + + +def _maybe_timeout(timeout): + if timeout: + return trio.move_on_after(timeout) + else: + return dns._asyncbackend.NullContext() + + +# for brevity +_lltuple = dns.inet.low_level_address_tuple + +# pylint: disable=redefined-outer-name + + +class DatagramSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, socket): + self.socket = socket + self.family = socket.family + + async def sendto(self, what, destination, timeout): + with _maybe_timeout(timeout): + return await self.socket.sendto(what, destination) + raise dns.exception.Timeout(timeout=timeout) # pragma: no cover + + async def recvfrom(self, size, timeout): + with _maybe_timeout(timeout): + return await self.socket.recvfrom(size) + raise dns.exception.Timeout(timeout=timeout) + + async def close(self): + self.socket.close() + + async def getpeername(self): + return self.socket.getpeername() + + async def getsockname(self): + return self.socket.getsockname() + + +class StreamSocket(dns._asyncbackend.DatagramSocket): + def __init__(self, family, stream, tls=False): + self.family = family + self.stream = stream + self.tls = tls + + async def sendall(self, what, timeout): + with _maybe_timeout(timeout): + return await self.stream.send_all(what) + raise dns.exception.Timeout(timeout=timeout) + + async def recv(self, size, timeout): + with _maybe_timeout(timeout): + return await self.stream.receive_some(size) + raise dns.exception.Timeout(timeout=timeout) + + async def close(self): + await self.stream.aclose() + + async def getpeername(self): + if self.tls: + return self.stream.transport_stream.socket.getpeername() + else: + return self.stream.socket.getpeername() + + async def getsockname(self): + if self.tls: + return self.stream.transport_stream.socket.getsockname() + else: + return self.stream.socket.getsockname() + + +class Backend(dns._asyncbackend.Backend): + def name(self): + return 'trio' + + async def make_socket(self, af, socktype, proto=0, source=None, + destination=None, timeout=None, + ssl_context=None, server_hostname=None): + s = trio.socket.socket(af, socktype, proto) + stream = None + try: + if source: + await s.bind(_lltuple(source, af)) + if socktype == socket.SOCK_STREAM: + with _maybe_timeout(timeout): + await s.connect(_lltuple(destination, af)) + except Exception: # pragma: no cover + s.close() + raise + if socktype == socket.SOCK_DGRAM: + return DatagramSocket(s) + elif socktype == socket.SOCK_STREAM: + stream = trio.SocketStream(s) + s = None + tls = False + if ssl_context: + tls = True + try: + stream = trio.SSLStream(stream, ssl_context, + server_hostname=server_hostname) + except Exception: # pragma: no cover + await stream.aclose() + raise + return StreamSocket(af, stream, tls) + raise NotImplementedError('unsupported socket ' + + f'type {socktype}') # pragma: no cover + + async def sleep(self, interval): + await trio.sleep(interval) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/asyncbackend.py b/backend/mb-env/lib/python3.9/site-packages/dns/asyncbackend.py new file mode 100644 index 0000000..e6a42ce --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/asyncbackend.py @@ -0,0 +1,101 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.exception + +# pylint: disable=unused-import + +from dns._asyncbackend import Socket, DatagramSocket, \ + StreamSocket, Backend # noqa: + +# pylint: enable=unused-import + +_default_backend = None + +_backends = {} + +# Allow sniffio import to be disabled for testing purposes +_no_sniffio = False + +class AsyncLibraryNotFoundError(dns.exception.DNSException): + pass + + +def get_backend(name): + """Get the specified asychronous backend. + + *name*, a ``str``, the name of the backend. Currently the "trio", + "curio", and "asyncio" backends are available. + + Raises NotImplementError if an unknown backend name is specified. + """ + # pylint: disable=import-outside-toplevel,redefined-outer-name + backend = _backends.get(name) + if backend: + return backend + if name == 'trio': + import dns._trio_backend + backend = dns._trio_backend.Backend() + elif name == 'curio': + import dns._curio_backend + backend = dns._curio_backend.Backend() + elif name == 'asyncio': + import dns._asyncio_backend + backend = dns._asyncio_backend.Backend() + else: + raise NotImplementedError(f'unimplemented async backend {name}') + _backends[name] = backend + return backend + + +def sniff(): + """Attempt to determine the in-use asynchronous I/O library by using + the ``sniffio`` module if it is available. + + Returns the name of the library, or raises AsyncLibraryNotFoundError + if the library cannot be determined. + """ + # pylint: disable=import-outside-toplevel + try: + if _no_sniffio: + raise ImportError + import sniffio + try: + return sniffio.current_async_library() + except sniffio.AsyncLibraryNotFoundError: + raise AsyncLibraryNotFoundError('sniffio cannot determine ' + + 'async library') + except ImportError: + import asyncio + try: + asyncio.get_running_loop() + return 'asyncio' + except RuntimeError: + raise AsyncLibraryNotFoundError('no async library detected') + except AttributeError: # pragma: no cover + # we have to check current_task on 3.6 + if not asyncio.Task.current_task(): + raise AsyncLibraryNotFoundError('no async library detected') + return 'asyncio' + + +def get_default_backend(): + """Get the default backend, initializing it if necessary. + """ + if _default_backend: + return _default_backend + + return set_default_backend(sniff()) + + +def set_default_backend(name): + """Set the default backend. + + It's not normally necessary to call this method, as + ``get_default_backend()`` will initialize the backend + appropriately in many cases. If ``sniffio`` is not installed, or + in testing situations, this function allows the backend to be set + explicitly. + """ + global _default_backend + _default_backend = get_backend(name) + return _default_backend diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/asyncquery.py b/backend/mb-env/lib/python3.9/site-packages/dns/asyncquery.py new file mode 100644 index 0000000..89c2622 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/asyncquery.py @@ -0,0 +1,434 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Talk to a DNS server.""" + +import socket +import struct +import time + +import dns.asyncbackend +import dns.exception +import dns.inet +import dns.name +import dns.message +import dns.rcode +import dns.rdataclass +import dns.rdatatype + +from dns.query import _compute_times, _matches_destination, BadResponse, ssl, \ + UDPMode + + +# for brevity +_lltuple = dns.inet.low_level_address_tuple + + +def _source_tuple(af, address, port): + # Make a high level source tuple, or return None if address and port + # are both None + if address or port: + if address is None: + if af == socket.AF_INET: + address = '0.0.0.0' + elif af == socket.AF_INET6: + address = '::' + else: + raise NotImplementedError(f'unknown address family {af}') + return (address, port) + else: + return None + + +def _timeout(expiration, now=None): + if expiration: + if not now: + now = time.time() + return max(expiration - now, 0) + else: + return None + + +async def send_udp(sock, what, destination, expiration=None): + """Send a DNS message to the specified UDP socket. + + *sock*, a ``dns.asyncbackend.DatagramSocket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where to send the query. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + sent_time = time.time() + n = await sock.sendto(what, destination, _timeout(expiration, sent_time)) + return (n, sent_time) + + +async def receive_udp(sock, destination=None, expiration=None, + ignore_unexpected=False, one_rr_per_rrset=False, + keyring=None, request_mac=b'', ignore_trailing=False, + raise_on_truncation=False): + """Read a DNS message from a UDP socket. + + *sock*, a ``dns.asyncbackend.DatagramSocket``. + + See :py:func:`dns.query.receive_udp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + wire = b'' + while 1: + (wire, from_address) = await sock.recvfrom(65535, _timeout(expiration)) + if _matches_destination(sock.family, from_address, destination, + ignore_unexpected): + break + received_time = time.time() + r = dns.message.from_wire(wire, keyring=keyring, request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + raise_on_truncation=raise_on_truncation) + return (r, received_time, from_address) + +async def udp(q, where, timeout=None, port=53, source=None, source_port=0, + ignore_unexpected=False, one_rr_per_rrset=False, + ignore_trailing=False, raise_on_truncation=False, sock=None, + backend=None): + """Return the response obtained after sending a query via UDP. + + *sock*, a ``dns.asyncbackend.DatagramSocket``, or ``None``, + the socket to use for the query. If ``None``, the default, a + socket is created. Note that if a socket is provided, the + *source*, *source_port*, and *backend* are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.udp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + s = None + # After 3.6 is no longer supported, this can use an AsyncExitStack. + try: + af = dns.inet.af_for_address(where) + destination = _lltuple((where, port), af) + if sock: + s = sock + else: + if not backend: + backend = dns.asyncbackend.get_default_backend() + stuple = _source_tuple(af, source, source_port) + s = await backend.make_socket(af, socket.SOCK_DGRAM, 0, stuple) + await send_udp(s, wire, destination, expiration) + (r, received_time, _) = await receive_udp(s, destination, expiration, + ignore_unexpected, + one_rr_per_rrset, + q.keyring, q.mac, + ignore_trailing, + raise_on_truncation) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + finally: + if not sock and s: + await s.close() + +async def udp_with_fallback(q, where, timeout=None, port=53, source=None, + source_port=0, ignore_unexpected=False, + one_rr_per_rrset=False, ignore_trailing=False, + udp_sock=None, tcp_sock=None, backend=None): + """Return the response to the query, trying UDP first and falling back + to TCP if UDP results in a truncated response. + + *udp_sock*, a ``dns.asyncbackend.DatagramSocket``, or ``None``, + the socket to use for the UDP query. If ``None``, the default, a + socket is created. Note that if a socket is provided the *source*, + *source_port*, and *backend* are ignored for the UDP query. + + *tcp_sock*, a ``dns.asyncbackend.StreamSocket``, or ``None``, the + socket to use for the TCP query. If ``None``, the default, a + socket is created. Note that if a socket is provided *where*, + *source*, *source_port*, and *backend* are ignored for the TCP query. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.udp_with_fallback()` for the documentation + of the other parameters, exceptions, and return type of this + method. + """ + try: + response = await udp(q, where, timeout, port, source, source_port, + ignore_unexpected, one_rr_per_rrset, + ignore_trailing, True, udp_sock, backend) + return (response, False) + except dns.message.Truncated: + response = await tcp(q, where, timeout, port, source, source_port, + one_rr_per_rrset, ignore_trailing, tcp_sock, + backend) + return (response, True) + + +async def send_tcp(sock, what, expiration=None): + """Send a DNS message to the specified TCP socket. + + *sock*, a ``dns.asyncbackend.StreamSocket``. + + See :py:func:`dns.query.send_tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + l = len(what) + # copying the wire into tcpmsg is inefficient, but lets us + # avoid writev() or doing a short write that would get pushed + # onto the net + tcpmsg = struct.pack("!H", l) + what + sent_time = time.time() + await sock.sendall(tcpmsg, _timeout(expiration, sent_time)) + return (len(tcpmsg), sent_time) + + +async def _read_exactly(sock, count, expiration): + """Read the specified number of bytes from stream. Keep trying until we + either get the desired amount, or we hit EOF. + """ + s = b'' + while count > 0: + n = await sock.recv(count, _timeout(expiration)) + if n == b'': + raise EOFError + count = count - len(n) + s = s + n + return s + + +async def receive_tcp(sock, expiration=None, one_rr_per_rrset=False, + keyring=None, request_mac=b'', ignore_trailing=False): + """Read a DNS message from a TCP socket. + + *sock*, a ``dns.asyncbackend.StreamSocket``. + + See :py:func:`dns.query.receive_tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + ldata = await _read_exactly(sock, 2, expiration) + (l,) = struct.unpack("!H", ldata) + wire = await _read_exactly(sock, l, expiration) + received_time = time.time() + r = dns.message.from_wire(wire, keyring=keyring, request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing) + return (r, received_time) + + +async def tcp(q, where, timeout=None, port=53, source=None, source_port=0, + one_rr_per_rrset=False, ignore_trailing=False, sock=None, + backend=None): + """Return the response obtained after sending a query via TCP. + + *sock*, a ``dns.asyncbacket.StreamSocket``, or ``None``, the + socket to use for the query. If ``None``, the default, a socket + is created. Note that if a socket is provided + *where*, *port*, *source*, *source_port*, and *backend* are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.tcp()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + s = None + # After 3.6 is no longer supported, this can use an AsyncExitStack. + try: + if sock: + # Verify that the socket is connected, as if it's not connected, + # it's not writable, and the polling in send_tcp() will time out or + # hang forever. + await sock.getpeername() + s = sock + else: + # These are simple (address, port) pairs, not + # family-dependent tuples you pass to lowlevel socket + # code. + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() + s = await backend.make_socket(af, socket.SOCK_STREAM, 0, stuple, + dtuple, timeout) + await send_tcp(s, wire, expiration) + (r, received_time) = await receive_tcp(s, expiration, one_rr_per_rrset, + q.keyring, q.mac, + ignore_trailing) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + finally: + if not sock and s: + await s.close() + +async def tls(q, where, timeout=None, port=853, source=None, source_port=0, + one_rr_per_rrset=False, ignore_trailing=False, sock=None, + backend=None, ssl_context=None, server_hostname=None): + """Return the response obtained after sending a query via TLS. + + *sock*, an ``asyncbackend.StreamSocket``, or ``None``, the socket + to use for the query. If ``None``, the default, a socket is + created. Note that if a socket is provided, it must be a + connected SSL stream socket, and *where*, *port*, + *source*, *source_port*, *backend*, *ssl_context*, and *server_hostname* + are ignored. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.tls()` for the documentation of the other + parameters, exceptions, and return type of this method. + """ + # After 3.6 is no longer supported, this can use an AsyncExitStack. + (begin_time, expiration) = _compute_times(timeout) + if not sock: + if ssl_context is None: + ssl_context = ssl.create_default_context() + if server_hostname is None: + ssl_context.check_hostname = False + else: + ssl_context = None + server_hostname = None + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + if not backend: + backend = dns.asyncbackend.get_default_backend() + s = await backend.make_socket(af, socket.SOCK_STREAM, 0, stuple, + dtuple, timeout, ssl_context, + server_hostname) + else: + s = sock + try: + timeout = _timeout(expiration) + response = await tcp(q, where, timeout, port, source, source_port, + one_rr_per_rrset, ignore_trailing, s, backend) + end_time = time.time() + response.time = end_time - begin_time + return response + finally: + if not sock and s: + await s.close() + +async def inbound_xfr(where, txn_manager, query=None, + port=53, timeout=None, lifetime=None, source=None, + source_port=0, udp_mode=UDPMode.NEVER, + backend=None): + """Conduct an inbound transfer and apply it via a transaction from the + txn_manager. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.query.inbound_xfr()` for the documentation of + the other parameters, exceptions, and return type of this method. + """ + if query is None: + (query, serial) = dns.xfr.make_query(txn_manager) + rdtype = query.question[0].rdtype + is_ixfr = rdtype == dns.rdatatype.IXFR + origin = txn_manager.from_wire_origin() + wire = query.to_wire() + af = dns.inet.af_for_address(where) + stuple = _source_tuple(af, source, source_port) + dtuple = (where, port) + (_, expiration) = _compute_times(lifetime) + retry = True + while retry: + retry = False + if is_ixfr and udp_mode != UDPMode.NEVER: + sock_type = socket.SOCK_DGRAM + is_udp = True + else: + sock_type = socket.SOCK_STREAM + is_udp = False + if not backend: + backend = dns.asyncbackend.get_default_backend() + s = await backend.make_socket(af, sock_type, 0, stuple, dtuple, + _timeout(expiration)) + async with s: + if is_udp: + await s.sendto(wire, dtuple, _timeout(expiration)) + else: + tcpmsg = struct.pack("!H", len(wire)) + wire + await s.sendall(tcpmsg, expiration) + with dns.xfr.Inbound(txn_manager, rdtype, serial, + is_udp) as inbound: + done = False + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or \ + (expiration is not None and mexpiration > expiration): + mexpiration = expiration + if is_udp: + destination = _lltuple((where, port), af) + while True: + timeout = _timeout(mexpiration) + (rwire, from_address) = await s.recvfrom(65535, + timeout) + if _matches_destination(af, from_address, + destination, True): + break + else: + ldata = await _read_exactly(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + rwire = await _read_exactly(s, l, mexpiration) + is_ixfr = (rdtype == dns.rdatatype.IXFR) + r = dns.message.from_wire(rwire, keyring=query.keyring, + request_mac=query.mac, xfr=True, + origin=origin, tsig_ctx=tsig_ctx, + multi=(not is_udp), + one_rr_per_rrset=is_ixfr) + try: + done = inbound.process_message(r) + except dns.xfr.UseTCP: + assert is_udp # should not happen if we used TCP! + if udp_mode == UDPMode.ONLY: + raise + done = True + retry = True + udp_mode = UDPMode.NEVER + continue + tsig_ctx = r.tsig_ctx + if not retry and query.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/asyncresolver.py b/backend/mb-env/lib/python3.9/site-packages/dns/asyncresolver.py new file mode 100644 index 0000000..a60cf77 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/asyncresolver.py @@ -0,0 +1,230 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Asynchronous DNS stub resolver.""" + +import time + +import dns.asyncbackend +import dns.asyncquery +import dns.exception +import dns.query +import dns.resolver + +# import some resolver symbols for brevity +from dns.resolver import NXDOMAIN, NoAnswer, NotAbsolute, NoRootSOA + + +# for indentation purposes below +_udp = dns.asyncquery.udp +_tcp = dns.asyncquery.tcp + + +class Resolver(dns.resolver.BaseResolver): + """Asynchronous DNS stub resolver.""" + + async def resolve(self, qname, rdtype=dns.rdatatype.A, + rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, + source_port=0, lifetime=None, search=None, + backend=None): + """Query nameservers asynchronously to find the answer to the question. + + *backend*, a ``dns.asyncbackend.Backend``, or ``None``. If ``None``, + the default, then dnspython will use the default backend. + + See :py:func:`dns.resolver.Resolver.resolve()` for the + documentation of the other parameters, exceptions, and return + type of this method. + """ + + resolution = dns.resolver._Resolution(self, qname, rdtype, rdclass, tcp, + raise_on_no_answer, search) + if not backend: + backend = dns.asyncbackend.get_default_backend() + start = time.time() + while True: + (request, answer) = resolution.next_request() + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + # cache hit! + return answer + done = False + while not done: + (nameserver, port, tcp, backoff) = resolution.next_nameserver() + if backoff: + await backend.sleep(backoff) + timeout = self._compute_timeout(start, lifetime) + try: + if dns.inet.is_address(nameserver): + if tcp: + response = await _tcp(request, nameserver, + timeout, port, + source, source_port, + backend=backend) + else: + response = await _udp(request, nameserver, + timeout, port, + source, source_port, + raise_on_truncation=True, + backend=backend) + else: + # We don't do DoH yet. + raise NotImplementedError + except Exception as ex: + (_, done) = resolution.query_result(None, ex) + continue + (answer, done) = resolution.query_result(response, None) + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + return answer + + async def resolve_address(self, ipaddr, *args, **kwargs): + """Use an asynchronous resolver to run a reverse query for PTR + records. + + This utilizes the resolve() method to perform a PTR lookup on the + specified IP address. + + *ipaddr*, a ``str``, the IPv4 or IPv6 address you want to get + the PTR record for. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + + """ + + return await self.resolve(dns.reversename.from_address(ipaddr), + rdtype=dns.rdatatype.PTR, + rdclass=dns.rdataclass.IN, + *args, **kwargs) + + # pylint: disable=redefined-outer-name + + async def canonical_name(self, name): + """Determine the canonical name of *name*. + + The canonical name is the name the resolver uses for queries + after all CNAME and DNAME renamings have been applied. + + *name*, a ``dns.name.Name`` or ``str``, the query name. + + This method can raise any exception that ``resolve()`` can + raise, other than ``dns.resolver.NoAnswer`` and + ``dns.resolver.NXDOMAIN``. + + Returns a ``dns.name.Name``. + """ + try: + answer = await self.resolve(name, raise_on_no_answer=False) + canonical_name = answer.canonical_name + except dns.resolver.NXDOMAIN as e: + canonical_name = e.canonical_name + return canonical_name + + +default_resolver = None + + +def get_default_resolver(): + """Get the default asynchronous resolver, initializing it if necessary.""" + if default_resolver is None: + reset_default_resolver() + return default_resolver + + +def reset_default_resolver(): + """Re-initialize default asynchronous resolver. + + Note that the resolver configuration (i.e. /etc/resolv.conf on UNIX + systems) will be re-read immediately. + """ + + global default_resolver + default_resolver = Resolver() + + +async def resolve(qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, + source_port=0, lifetime=None, search=None, backend=None): + """Query nameservers asynchronously to find the answer to the question. + + This is a convenience function that uses the default resolver + object to make the query. + + See :py:func:`dns.asyncresolver.Resolver.resolve` for more + information on the parameters. + """ + + return await get_default_resolver().resolve(qname, rdtype, rdclass, tcp, + source, raise_on_no_answer, + source_port, lifetime, search, + backend) + + +async def resolve_address(ipaddr, *args, **kwargs): + """Use a resolver to run a reverse query for PTR records. + + See :py:func:`dns.asyncresolver.Resolver.resolve_address` for more + information on the parameters. + """ + + return await get_default_resolver().resolve_address(ipaddr, *args, **kwargs) + +async def canonical_name(name): + """Determine the canonical name of *name*. + + See :py:func:`dns.resolver.Resolver.canonical_name` for more + information on the parameters and possible exceptions. + """ + + return await get_default_resolver().canonical_name(name) + +async def zone_for_name(name, rdclass=dns.rdataclass.IN, tcp=False, + resolver=None, backend=None): + """Find the name of the zone which contains the specified name. + + See :py:func:`dns.resolver.Resolver.zone_for_name` for more + information on the parameters and possible exceptions. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, dns.name.root) + if resolver is None: + resolver = get_default_resolver() + if not name.is_absolute(): + raise NotAbsolute(name) + while True: + try: + answer = await resolver.resolve(name, dns.rdatatype.SOA, rdclass, + tcp, backend=backend) + if answer.rrset.name == name: + return name + # otherwise we were CNAMEd or DNAMEd and need to look higher + except (NXDOMAIN, NoAnswer): + pass + try: + name = name.parent() + except dns.name.NoParent: # pragma: no cover + raise NoRootSOA diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/dnssec.py b/backend/mb-env/lib/python3.9/site-packages/dns/dnssec.py new file mode 100644 index 0000000..095fabd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/dnssec.py @@ -0,0 +1,605 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Common DNSSEC-related functions and constants.""" + +import hashlib +import struct +import time +import base64 + +import dns.enum +import dns.exception +import dns.name +import dns.node +import dns.rdataset +import dns.rdata +import dns.rdatatype +import dns.rdataclass + + +class UnsupportedAlgorithm(dns.exception.DNSException): + """The DNSSEC algorithm is not supported.""" + + +class ValidationFailure(dns.exception.DNSException): + """The DNSSEC signature is invalid.""" + + +class Algorithm(dns.enum.IntEnum): + RSAMD5 = 1 + DH = 2 + DSA = 3 + ECC = 4 + RSASHA1 = 5 + DSANSEC3SHA1 = 6 + RSASHA1NSEC3SHA1 = 7 + RSASHA256 = 8 + RSASHA512 = 10 + ECCGOST = 12 + ECDSAP256SHA256 = 13 + ECDSAP384SHA384 = 14 + ED25519 = 15 + ED448 = 16 + INDIRECT = 252 + PRIVATEDNS = 253 + PRIVATEOID = 254 + + @classmethod + def _maximum(cls): + return 255 + + +def algorithm_from_text(text): + """Convert text into a DNSSEC algorithm value. + + *text*, a ``str``, the text to convert to into an algorithm value. + + Returns an ``int``. + """ + + return Algorithm.from_text(text) + + +def algorithm_to_text(value): + """Convert a DNSSEC algorithm value to text + + *value*, an ``int`` a DNSSEC algorithm. + + Returns a ``str``, the name of a DNSSEC algorithm. + """ + + return Algorithm.to_text(value) + + +def key_id(key): + """Return the key id (a 16-bit number) for the specified key. + + *key*, a ``dns.rdtypes.ANY.DNSKEY.DNSKEY`` + + Returns an ``int`` between 0 and 65535 + """ + + rdata = key.to_wire() + if key.algorithm == Algorithm.RSAMD5: + return (rdata[-3] << 8) + rdata[-2] + else: + total = 0 + for i in range(len(rdata) // 2): + total += (rdata[2 * i] << 8) + \ + rdata[2 * i + 1] + if len(rdata) % 2 != 0: + total += rdata[len(rdata) - 1] << 8 + total += ((total >> 16) & 0xffff) + return total & 0xffff + +class DSDigest(dns.enum.IntEnum): + """DNSSEC Delgation Signer Digest Algorithm""" + + SHA1 = 1 + SHA256 = 2 + SHA384 = 4 + + @classmethod + def _maximum(cls): + return 255 + + +def make_ds(name, key, algorithm, origin=None): + """Create a DS record for a DNSSEC key. + + *name*, a ``dns.name.Name`` or ``str``, the owner name of the DS record. + + *key*, a ``dns.rdtypes.ANY.DNSKEY.DNSKEY``, the key the DS is about. + + *algorithm*, a ``str`` or ``int`` specifying the hash algorithm. + The currently supported hashes are "SHA1", "SHA256", and "SHA384". Case + does not matter for these strings. + + *origin*, a ``dns.name.Name`` or ``None``. If `key` is a relative name, + then it will be made absolute using the specified origin. + + Raises ``UnsupportedAlgorithm`` if the algorithm is unknown. + + Returns a ``dns.rdtypes.ANY.DS.DS`` + """ + + try: + if isinstance(algorithm, str): + algorithm = DSDigest[algorithm.upper()] + except Exception: + raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) + + if algorithm == DSDigest.SHA1: + dshash = hashlib.sha1() + elif algorithm == DSDigest.SHA256: + dshash = hashlib.sha256() + elif algorithm == DSDigest.SHA384: + dshash = hashlib.sha384() + else: + raise UnsupportedAlgorithm('unsupported algorithm "%s"' % algorithm) + + if isinstance(name, str): + name = dns.name.from_text(name, origin) + dshash.update(name.canonicalize().to_wire()) + dshash.update(key.to_wire(origin=origin)) + digest = dshash.digest() + + dsrdata = struct.pack("!HBB", key_id(key), key.algorithm, algorithm) + \ + digest + return dns.rdata.from_wire(dns.rdataclass.IN, dns.rdatatype.DS, dsrdata, 0, + len(dsrdata)) + + +def _find_candidate_keys(keys, rrsig): + candidate_keys = [] + value = keys.get(rrsig.signer) + if value is None: + return None + if isinstance(value, dns.node.Node): + try: + rdataset = value.find_rdataset(dns.rdataclass.IN, + dns.rdatatype.DNSKEY) + except KeyError: + return None + else: + rdataset = value + for rdata in rdataset: + if rdata.algorithm == rrsig.algorithm and \ + key_id(rdata) == rrsig.key_tag: + candidate_keys.append(rdata) + return candidate_keys + + +def _is_rsa(algorithm): + return algorithm in (Algorithm.RSAMD5, Algorithm.RSASHA1, + Algorithm.RSASHA1NSEC3SHA1, Algorithm.RSASHA256, + Algorithm.RSASHA512) + + +def _is_dsa(algorithm): + return algorithm in (Algorithm.DSA, Algorithm.DSANSEC3SHA1) + + +def _is_ecdsa(algorithm): + return algorithm in (Algorithm.ECDSAP256SHA256, Algorithm.ECDSAP384SHA384) + + +def _is_eddsa(algorithm): + return algorithm in (Algorithm.ED25519, Algorithm.ED448) + + +def _is_gost(algorithm): + return algorithm == Algorithm.ECCGOST + + +def _is_md5(algorithm): + return algorithm == Algorithm.RSAMD5 + + +def _is_sha1(algorithm): + return algorithm in (Algorithm.DSA, Algorithm.RSASHA1, + Algorithm.DSANSEC3SHA1, Algorithm.RSASHA1NSEC3SHA1) + + +def _is_sha256(algorithm): + return algorithm in (Algorithm.RSASHA256, Algorithm.ECDSAP256SHA256) + + +def _is_sha384(algorithm): + return algorithm == Algorithm.ECDSAP384SHA384 + + +def _is_sha512(algorithm): + return algorithm == Algorithm.RSASHA512 + + +def _make_hash(algorithm): + if _is_md5(algorithm): + return hashes.MD5() + if _is_sha1(algorithm): + return hashes.SHA1() + if _is_sha256(algorithm): + return hashes.SHA256() + if _is_sha384(algorithm): + return hashes.SHA384() + if _is_sha512(algorithm): + return hashes.SHA512() + if algorithm == Algorithm.ED25519: + return hashes.SHA512() + if algorithm == Algorithm.ED448: + return hashes.SHAKE256(114) + + raise ValidationFailure('unknown hash for algorithm %u' % algorithm) + + +def _bytes_to_long(b): + return int.from_bytes(b, 'big') + + +def _validate_rrsig(rrset, rrsig, keys, origin=None, now=None): + """Validate an RRset against a single signature rdata, throwing an + exception if validation is not successful. + + *rrset*, the RRset to validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *rrsig*, a ``dns.rdata.Rdata``, the signature to validate. + + *keys*, the key dictionary, used to find the DNSKEY associated + with a given name. The dictionary is keyed by a + ``dns.name.Name``, and has ``dns.node.Node`` or + ``dns.rdataset.Rdataset`` values. + + *origin*, a ``dns.name.Name`` or ``None``, the origin to use for relative + names. + + *now*, an ``int`` or ``None``, the time, in seconds since the epoch, to + use as the current time when validating. If ``None``, the actual current + time is used. + + Raises ``ValidationFailure`` if the signature is expired, not yet valid, + the public key is invalid, the algorithm is unknown, the verification + fails, etc. + + Raises ``UnsupportedAlgorithm`` if the algorithm is recognized by + dnspython but not implemented. + """ + + if isinstance(origin, str): + origin = dns.name.from_text(origin, dns.name.root) + + candidate_keys = _find_candidate_keys(keys, rrsig) + if candidate_keys is None: + raise ValidationFailure('unknown key') + + for candidate_key in candidate_keys: + # For convenience, allow the rrset to be specified as a (name, + # rdataset) tuple as well as a proper rrset + if isinstance(rrset, tuple): + rrname = rrset[0] + rdataset = rrset[1] + else: + rrname = rrset.name + rdataset = rrset + + if now is None: + now = time.time() + if rrsig.expiration < now: + raise ValidationFailure('expired') + if rrsig.inception > now: + raise ValidationFailure('not yet valid') + + if _is_rsa(rrsig.algorithm): + keyptr = candidate_key.key + (bytes_,) = struct.unpack('!B', keyptr[0:1]) + keyptr = keyptr[1:] + if bytes_ == 0: + (bytes_,) = struct.unpack('!H', keyptr[0:2]) + keyptr = keyptr[2:] + rsa_e = keyptr[0:bytes_] + rsa_n = keyptr[bytes_:] + try: + public_key = rsa.RSAPublicNumbers( + _bytes_to_long(rsa_e), + _bytes_to_long(rsa_n)).public_key(default_backend()) + except ValueError: + raise ValidationFailure('invalid public key') + sig = rrsig.signature + elif _is_dsa(rrsig.algorithm): + keyptr = candidate_key.key + (t,) = struct.unpack('!B', keyptr[0:1]) + keyptr = keyptr[1:] + octets = 64 + t * 8 + dsa_q = keyptr[0:20] + keyptr = keyptr[20:] + dsa_p = keyptr[0:octets] + keyptr = keyptr[octets:] + dsa_g = keyptr[0:octets] + keyptr = keyptr[octets:] + dsa_y = keyptr[0:octets] + try: + public_key = dsa.DSAPublicNumbers( + _bytes_to_long(dsa_y), + dsa.DSAParameterNumbers( + _bytes_to_long(dsa_p), + _bytes_to_long(dsa_q), + _bytes_to_long(dsa_g))).public_key(default_backend()) + except ValueError: + raise ValidationFailure('invalid public key') + sig_r = rrsig.signature[1:21] + sig_s = rrsig.signature[21:] + sig = utils.encode_dss_signature(_bytes_to_long(sig_r), + _bytes_to_long(sig_s)) + elif _is_ecdsa(rrsig.algorithm): + keyptr = candidate_key.key + if rrsig.algorithm == Algorithm.ECDSAP256SHA256: + curve = ec.SECP256R1() + octets = 32 + else: + curve = ec.SECP384R1() + octets = 48 + ecdsa_x = keyptr[0:octets] + ecdsa_y = keyptr[octets:octets * 2] + try: + public_key = ec.EllipticCurvePublicNumbers( + curve=curve, + x=_bytes_to_long(ecdsa_x), + y=_bytes_to_long(ecdsa_y)).public_key(default_backend()) + except ValueError: + raise ValidationFailure('invalid public key') + sig_r = rrsig.signature[0:octets] + sig_s = rrsig.signature[octets:] + sig = utils.encode_dss_signature(_bytes_to_long(sig_r), + _bytes_to_long(sig_s)) + + elif _is_eddsa(rrsig.algorithm): + keyptr = candidate_key.key + if rrsig.algorithm == Algorithm.ED25519: + loader = ed25519.Ed25519PublicKey + else: + loader = ed448.Ed448PublicKey + try: + public_key = loader.from_public_bytes(keyptr) + except ValueError: + raise ValidationFailure('invalid public key') + sig = rrsig.signature + elif _is_gost(rrsig.algorithm): + raise UnsupportedAlgorithm( + 'algorithm "%s" not supported by dnspython' % + algorithm_to_text(rrsig.algorithm)) + else: + raise ValidationFailure('unknown algorithm %u' % rrsig.algorithm) + + data = b'' + data += rrsig.to_wire(origin=origin)[:18] + data += rrsig.signer.to_digestable(origin) + + # Derelativize the name before considering labels. + rrname = rrname.derelativize(origin) + + if len(rrname) - 1 < rrsig.labels: + raise ValidationFailure('owner name longer than RRSIG labels') + elif rrsig.labels < len(rrname) - 1: + suffix = rrname.split(rrsig.labels + 1)[1] + rrname = dns.name.from_text('*', suffix) + rrnamebuf = rrname.to_digestable() + rrfixed = struct.pack('!HHI', rdataset.rdtype, rdataset.rdclass, + rrsig.original_ttl) + rrlist = sorted(rdataset) + for rr in rrlist: + data += rrnamebuf + data += rrfixed + rrdata = rr.to_digestable(origin) + rrlen = struct.pack('!H', len(rrdata)) + data += rrlen + data += rrdata + + chosen_hash = _make_hash(rrsig.algorithm) + try: + if _is_rsa(rrsig.algorithm): + public_key.verify(sig, data, padding.PKCS1v15(), chosen_hash) + elif _is_dsa(rrsig.algorithm): + public_key.verify(sig, data, chosen_hash) + elif _is_ecdsa(rrsig.algorithm): + public_key.verify(sig, data, ec.ECDSA(chosen_hash)) + elif _is_eddsa(rrsig.algorithm): + public_key.verify(sig, data) + else: + # Raise here for code clarity; this won't actually ever happen + # since if the algorithm is really unknown we'd already have + # raised an exception above + raise ValidationFailure('unknown algorithm %u' % + rrsig.algorithm) # pragma: no cover + # If we got here, we successfully verified so we can return + # without error + return + except InvalidSignature: + # this happens on an individual validation failure + continue + # nothing verified -- raise failure: + raise ValidationFailure('verify failure') + + +def _validate(rrset, rrsigset, keys, origin=None, now=None): + """Validate an RRset against a signature RRset, throwing an exception + if none of the signatures validate. + + *rrset*, the RRset to validate. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *rrsigset*, the signature RRset. This can be a + ``dns.rrset.RRset`` or a (``dns.name.Name``, ``dns.rdataset.Rdataset``) + tuple. + + *keys*, the key dictionary, used to find the DNSKEY associated + with a given name. The dictionary is keyed by a + ``dns.name.Name``, and has ``dns.node.Node`` or + ``dns.rdataset.Rdataset`` values. + + *origin*, a ``dns.name.Name``, the origin to use for relative names; + defaults to None. + + *now*, an ``int`` or ``None``, the time, in seconds since the epoch, to + use as the current time when validating. If ``None``, the actual current + time is used. + + Raises ``ValidationFailure`` if the signature is expired, not yet valid, + the public key is invalid, the algorithm is unknown, the verification + fails, etc. + """ + + if isinstance(origin, str): + origin = dns.name.from_text(origin, dns.name.root) + + if isinstance(rrset, tuple): + rrname = rrset[0] + else: + rrname = rrset.name + + if isinstance(rrsigset, tuple): + rrsigname = rrsigset[0] + rrsigrdataset = rrsigset[1] + else: + rrsigname = rrsigset.name + rrsigrdataset = rrsigset + + rrname = rrname.choose_relativity(origin) + rrsigname = rrsigname.choose_relativity(origin) + if rrname != rrsigname: + raise ValidationFailure("owner names do not match") + + for rrsig in rrsigrdataset: + try: + _validate_rrsig(rrset, rrsig, keys, origin, now) + return + except (ValidationFailure, UnsupportedAlgorithm): + pass + raise ValidationFailure("no RRSIGs validated") + + +class NSEC3Hash(dns.enum.IntEnum): + """NSEC3 hash algorithm""" + + SHA1 = 1 + + @classmethod + def _maximum(cls): + return 255 + +def nsec3_hash(domain, salt, iterations, algorithm): + """ + Calculate the NSEC3 hash, according to + https://tools.ietf.org/html/rfc5155#section-5 + + *domain*, a ``dns.name.Name`` or ``str``, the name to hash. + + *salt*, a ``str``, ``bytes``, or ``None``, the hash salt. If a + string, it is decoded as a hex string. + + *iterations*, an ``int``, the number of iterations. + + *algorithm*, a ``str`` or ``int``, the hash algorithm. + The only defined algorithm is SHA1. + + Returns a ``str``, the encoded NSEC3 hash. + """ + + b32_conversion = str.maketrans( + "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567", "0123456789ABCDEFGHIJKLMNOPQRSTUV" + ) + + try: + if isinstance(algorithm, str): + algorithm = NSEC3Hash[algorithm.upper()] + except Exception: + raise ValueError("Wrong hash algorithm (only SHA1 is supported)") + + if algorithm != NSEC3Hash.SHA1: + raise ValueError("Wrong hash algorithm (only SHA1 is supported)") + + salt_encoded = salt + if salt is None: + salt_encoded = b'' + elif isinstance(salt, str): + if len(salt) % 2 == 0: + salt_encoded = bytes.fromhex(salt) + else: + raise ValueError("Invalid salt length") + + if not isinstance(domain, dns.name.Name): + domain = dns.name.from_text(domain) + domain_encoded = domain.canonicalize().to_wire() + + digest = hashlib.sha1(domain_encoded + salt_encoded).digest() + for _ in range(iterations): + digest = hashlib.sha1(digest + salt_encoded).digest() + + output = base64.b32encode(digest).decode("utf-8") + output = output.translate(b32_conversion) + + return output + + +def _need_pyca(*args, **kwargs): + raise ImportError("DNSSEC validation requires " + + "python cryptography") # pragma: no cover + + +try: + from cryptography.exceptions import InvalidSignature + from cryptography.hazmat.backends import default_backend + from cryptography.hazmat.primitives import hashes + from cryptography.hazmat.primitives.asymmetric import padding + from cryptography.hazmat.primitives.asymmetric import utils + from cryptography.hazmat.primitives.asymmetric import dsa + from cryptography.hazmat.primitives.asymmetric import ec + from cryptography.hazmat.primitives.asymmetric import ed25519 + from cryptography.hazmat.primitives.asymmetric import ed448 + from cryptography.hazmat.primitives.asymmetric import rsa +except ImportError: # pragma: no cover + validate = _need_pyca + validate_rrsig = _need_pyca + _have_pyca = False +else: + validate = _validate # type: ignore + validate_rrsig = _validate_rrsig # type: ignore + _have_pyca = True + +### BEGIN generated Algorithm constants + +RSAMD5 = Algorithm.RSAMD5 +DH = Algorithm.DH +DSA = Algorithm.DSA +ECC = Algorithm.ECC +RSASHA1 = Algorithm.RSASHA1 +DSANSEC3SHA1 = Algorithm.DSANSEC3SHA1 +RSASHA1NSEC3SHA1 = Algorithm.RSASHA1NSEC3SHA1 +RSASHA256 = Algorithm.RSASHA256 +RSASHA512 = Algorithm.RSASHA512 +ECCGOST = Algorithm.ECCGOST +ECDSAP256SHA256 = Algorithm.ECDSAP256SHA256 +ECDSAP384SHA384 = Algorithm.ECDSAP384SHA384 +ED25519 = Algorithm.ED25519 +ED448 = Algorithm.ED448 +INDIRECT = Algorithm.INDIRECT +PRIVATEDNS = Algorithm.PRIVATEDNS +PRIVATEOID = Algorithm.PRIVATEOID + +### END generated Algorithm constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/e164.py b/backend/mb-env/lib/python3.9/site-packages/dns/e164.py new file mode 100644 index 0000000..83731b2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/e164.py @@ -0,0 +1,104 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS E.164 helpers.""" + +import dns.exception +import dns.name +import dns.resolver + +#: The public E.164 domain. +public_enum_domain = dns.name.from_text('e164.arpa.') + + +def from_e164(text, origin=public_enum_domain): + """Convert an E.164 number in textual form into a Name object whose + value is the ENUM domain name for that number. + + Non-digits in the text are ignored, i.e. "16505551212", + "+1.650.555.1212" and "1 (650) 555-1212" are all the same. + + *text*, a ``str``, is an E.164 number in textual form. + + *origin*, a ``dns.name.Name``, the domain in which the number + should be constructed. The default is ``e164.arpa.``. + + Returns a ``dns.name.Name``. + """ + + parts = [d for d in text if d.isdigit()] + parts.reverse() + return dns.name.from_text('.'.join(parts), origin=origin) + + +def to_e164(name, origin=public_enum_domain, want_plus_prefix=True): + """Convert an ENUM domain name into an E.164 number. + + Note that dnspython does not have any information about preferred + number formats within national numbering plans, so all numbers are + emitted as a simple string of digits, prefixed by a '+' (unless + *want_plus_prefix* is ``False``). + + *name* is a ``dns.name.Name``, the ENUM domain name. + + *origin* is a ``dns.name.Name``, a domain containing the ENUM + domain name. The name is relativized to this domain before being + converted to text. If ``None``, no relativization is done. + + *want_plus_prefix* is a ``bool``. If True, add a '+' to the beginning of + the returned number. + + Returns a ``str``. + + """ + if origin is not None: + name = name.relativize(origin) + dlabels = [d for d in name.labels if d.isdigit() and len(d) == 1] + if len(dlabels) != len(name.labels): + raise dns.exception.SyntaxError('non-digit labels in ENUM domain name') + dlabels.reverse() + text = b''.join(dlabels) + if want_plus_prefix: + text = b'+' + text + return text.decode() + + +def query(number, domains, resolver=None): + """Look for NAPTR RRs for the specified number in the specified domains. + + e.g. lookup('16505551212', ['e164.dnspython.org.', 'e164.arpa.']) + + *number*, a ``str`` is the number to look for. + + *domains* is an iterable containing ``dns.name.Name`` values. + + *resolver*, a ``dns.resolver.Resolver``, is the resolver to use. If + ``None``, the default resolver is used. + """ + + if resolver is None: + resolver = dns.resolver.get_default_resolver() + e_nx = dns.resolver.NXDOMAIN() + for domain in domains: + if isinstance(domain, str): + domain = dns.name.from_text(domain) + qname = dns.e164.from_e164(number, domain) + try: + return resolver.resolve(qname, 'NAPTR') + except dns.resolver.NXDOMAIN as e: + e_nx += e + raise e_nx diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/edns.py b/backend/mb-env/lib/python3.9/site-packages/dns/edns.py new file mode 100644 index 0000000..237178f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/edns.py @@ -0,0 +1,376 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""EDNS Options""" + +import math +import socket +import struct + +import dns.enum +import dns.inet +import dns.rdata + + +class OptionType(dns.enum.IntEnum): + #: NSID + NSID = 3 + #: DAU + DAU = 5 + #: DHU + DHU = 6 + #: N3U + N3U = 7 + #: ECS (client-subnet) + ECS = 8 + #: EXPIRE + EXPIRE = 9 + #: COOKIE + COOKIE = 10 + #: KEEPALIVE + KEEPALIVE = 11 + #: PADDING + PADDING = 12 + #: CHAIN + CHAIN = 13 + + @classmethod + def _maximum(cls): + return 65535 + + +class Option: + + """Base class for all EDNS option types.""" + + def __init__(self, otype): + """Initialize an option. + + *otype*, an ``int``, is the option type. + """ + self.otype = OptionType.make(otype) + + def to_wire(self, file=None): + """Convert an option to wire format. + + Returns a ``bytes`` or ``None``. + + """ + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser(cls, otype, parser): + """Build an EDNS option object from wire format. + + *otype*, an ``int``, is the option type. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restructed to the option length. + + Returns a ``dns.edns.Option``. + """ + raise NotImplementedError # pragma: no cover + + def _cmp(self, other): + """Compare an EDNS option with another option of the same type. + + Returns < 0 if < *other*, 0 if == *other*, and > 0 if > *other*. + """ + wire = self.to_wire() + owire = other.to_wire() + if wire == owire: + return 0 + if wire > owire: + return 1 + return -1 + + def __eq__(self, other): + if not isinstance(other, Option): + return False + if self.otype != other.otype: + return False + return self._cmp(other) == 0 + + def __ne__(self, other): + if not isinstance(other, Option): + return True + if self.otype != other.otype: + return True + return self._cmp(other) != 0 + + def __lt__(self, other): + if not isinstance(other, Option) or \ + self.otype != other.otype: + return NotImplemented + return self._cmp(other) < 0 + + def __le__(self, other): + if not isinstance(other, Option) or \ + self.otype != other.otype: + return NotImplemented + return self._cmp(other) <= 0 + + def __ge__(self, other): + if not isinstance(other, Option) or \ + self.otype != other.otype: + return NotImplemented + return self._cmp(other) >= 0 + + def __gt__(self, other): + if not isinstance(other, Option) or \ + self.otype != other.otype: + return NotImplemented + return self._cmp(other) > 0 + + def __str__(self): + return self.to_text() + + +class GenericOption(Option): + + """Generic Option Class + + This class is used for EDNS option types for which we have no better + implementation. + """ + + def __init__(self, otype, data): + super().__init__(otype) + self.data = dns.rdata.Rdata._as_bytes(data, True) + + def to_wire(self, file=None): + if file: + file.write(self.data) + else: + return self.data + + def to_text(self): + return "Generic %d" % self.otype + + @classmethod + def from_wire_parser(cls, otype, parser): + return cls(otype, parser.get_remaining()) + + +class ECSOption(Option): + """EDNS Client Subnet (ECS, RFC7871)""" + + def __init__(self, address, srclen=None, scopelen=0): + """*address*, a ``str``, is the client address information. + + *srclen*, an ``int``, the source prefix length, which is the + leftmost number of bits of the address to be used for the + lookup. The default is 24 for IPv4 and 56 for IPv6. + + *scopelen*, an ``int``, the scope prefix length. This value + must be 0 in queries, and should be set in responses. + """ + + super().__init__(OptionType.ECS) + af = dns.inet.af_for_address(address) + + if af == socket.AF_INET6: + self.family = 2 + if srclen is None: + srclen = 56 + address = dns.rdata.Rdata._as_ipv6_address(address) + srclen = dns.rdata.Rdata._as_int(srclen, 0, 128) + scopelen = dns.rdata.Rdata._as_int(scopelen, 0, 128) + elif af == socket.AF_INET: + self.family = 1 + if srclen is None: + srclen = 24 + address = dns.rdata.Rdata._as_ipv4_address(address) + srclen = dns.rdata.Rdata._as_int(srclen, 0, 32) + scopelen = dns.rdata.Rdata._as_int(scopelen, 0, 32) + else: # pragma: no cover (this will never happen) + raise ValueError('Bad address family') + + self.address = address + self.srclen = srclen + self.scopelen = scopelen + + addrdata = dns.inet.inet_pton(af, address) + nbytes = int(math.ceil(srclen / 8.0)) + + # Truncate to srclen and pad to the end of the last octet needed + # See RFC section 6 + self.addrdata = addrdata[:nbytes] + nbits = srclen % 8 + if nbits != 0: + last = struct.pack('B', + ord(self.addrdata[-1:]) & (0xff << (8 - nbits))) + self.addrdata = self.addrdata[:-1] + last + + def to_text(self): + return "ECS {}/{} scope/{}".format(self.address, self.srclen, + self.scopelen) + + @staticmethod + def from_text(text): + """Convert a string into a `dns.edns.ECSOption` + + *text*, a `str`, the text form of the option. + + Returns a `dns.edns.ECSOption`. + + Examples: + + >>> import dns.edns + >>> + >>> # basic example + >>> dns.edns.ECSOption.from_text('1.2.3.4/24') + >>> + >>> # also understands scope + >>> dns.edns.ECSOption.from_text('1.2.3.4/24/32') + >>> + >>> # IPv6 + >>> dns.edns.ECSOption.from_text('2001:4b98::1/64/64') + >>> + >>> # it understands results from `dns.edns.ECSOption.to_text()` + >>> dns.edns.ECSOption.from_text('ECS 1.2.3.4/24/32') + """ + optional_prefix = 'ECS' + tokens = text.split() + ecs_text = None + if len(tokens) == 1: + ecs_text = tokens[0] + elif len(tokens) == 2: + if tokens[0] != optional_prefix: + raise ValueError('could not parse ECS from "{}"'.format(text)) + ecs_text = tokens[1] + else: + raise ValueError('could not parse ECS from "{}"'.format(text)) + n_slashes = ecs_text.count('/') + if n_slashes == 1: + address, srclen = ecs_text.split('/') + scope = 0 + elif n_slashes == 2: + address, srclen, scope = ecs_text.split('/') + else: + raise ValueError('could not parse ECS from "{}"'.format(text)) + try: + scope = int(scope) + except ValueError: + raise ValueError('invalid scope ' + + '"{}": scope must be an integer'.format(scope)) + try: + srclen = int(srclen) + except ValueError: + raise ValueError('invalid srclen ' + + '"{}": srclen must be an integer'.format(srclen)) + return ECSOption(address, srclen, scope) + + def to_wire(self, file=None): + value = (struct.pack('!HBB', self.family, self.srclen, self.scopelen) + + self.addrdata) + if file: + file.write(value) + else: + return value + + @classmethod + def from_wire_parser(cls, otype, parser): + family, src, scope = parser.get_struct('!HBB') + addrlen = int(math.ceil(src / 8.0)) + prefix = parser.get_bytes(addrlen) + if family == 1: + pad = 4 - addrlen + addr = dns.ipv4.inet_ntoa(prefix + b'\x00' * pad) + elif family == 2: + pad = 16 - addrlen + addr = dns.ipv6.inet_ntoa(prefix + b'\x00' * pad) + else: + raise ValueError('unsupported family') + + return cls(addr, src, scope) + + +_type_to_class = { + OptionType.ECS: ECSOption +} + +def get_option_class(otype): + """Return the class for the specified option type. + + The GenericOption class is used if a more specific class is not + known. + """ + + cls = _type_to_class.get(otype) + if cls is None: + cls = GenericOption + return cls + + +def option_from_wire_parser(otype, parser): + """Build an EDNS option object from wire format. + + *otype*, an ``int``, is the option type. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restricted to the option length. + + Returns an instance of a subclass of ``dns.edns.Option``. + """ + cls = get_option_class(otype) + otype = OptionType.make(otype) + return cls.from_wire_parser(otype, parser) + + +def option_from_wire(otype, wire, current, olen): + """Build an EDNS option object from wire format. + + *otype*, an ``int``, is the option type. + + *wire*, a ``bytes``, is the wire-format message. + + *current*, an ``int``, is the offset in *wire* of the beginning + of the rdata. + + *olen*, an ``int``, is the length of the wire-format option data + + Returns an instance of a subclass of ``dns.edns.Option``. + """ + parser = dns.wire.Parser(wire, current) + with parser.restrict_to(olen): + return option_from_wire_parser(otype, parser) + +def register_type(implementation, otype): + """Register the implementation of an option type. + + *implementation*, a ``class``, is a subclass of ``dns.edns.Option``. + + *otype*, an ``int``, is the option type. + """ + + _type_to_class[otype] = implementation + +### BEGIN generated OptionType constants + +NSID = OptionType.NSID +DAU = OptionType.DAU +DHU = OptionType.DHU +N3U = OptionType.N3U +ECS = OptionType.ECS +EXPIRE = OptionType.EXPIRE +COOKIE = OptionType.COOKIE +KEEPALIVE = OptionType.KEEPALIVE +PADDING = OptionType.PADDING +CHAIN = OptionType.CHAIN + +### END generated OptionType constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/entropy.py b/backend/mb-env/lib/python3.9/site-packages/dns/entropy.py new file mode 100644 index 0000000..086bba7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/entropy.py @@ -0,0 +1,129 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import os +import hashlib +import random +import time +try: + import threading as _threading +except ImportError: # pragma: no cover + import dummy_threading as _threading # type: ignore + + +class EntropyPool: + + # This is an entropy pool for Python implementations that do not + # have a working SystemRandom. I'm not sure there are any, but + # leaving this code doesn't hurt anything as the library code + # is used if present. + + def __init__(self, seed=None): + self.pool_index = 0 + self.digest = None + self.next_byte = 0 + self.lock = _threading.Lock() + self.hash = hashlib.sha1() + self.hash_len = 20 + self.pool = bytearray(b'\0' * self.hash_len) + if seed is not None: + self._stir(bytearray(seed)) + self.seeded = True + self.seed_pid = os.getpid() + else: + self.seeded = False + self.seed_pid = 0 + + def _stir(self, entropy): + for c in entropy: + if self.pool_index == self.hash_len: + self.pool_index = 0 + b = c & 0xff + self.pool[self.pool_index] ^= b + self.pool_index += 1 + + def stir(self, entropy): + with self.lock: + self._stir(entropy) + + def _maybe_seed(self): + if not self.seeded or self.seed_pid != os.getpid(): + try: + seed = os.urandom(16) + except Exception: # pragma: no cover + try: + with open('/dev/urandom', 'rb', 0) as r: + seed = r.read(16) + except Exception: + seed = str(time.time()) + self.seeded = True + self.seed_pid = os.getpid() + self.digest = None + seed = bytearray(seed) + self._stir(seed) + + def random_8(self): + with self.lock: + self._maybe_seed() + if self.digest is None or self.next_byte == self.hash_len: + self.hash.update(bytes(self.pool)) + self.digest = bytearray(self.hash.digest()) + self._stir(self.digest) + self.next_byte = 0 + value = self.digest[self.next_byte] + self.next_byte += 1 + return value + + def random_16(self): + return self.random_8() * 256 + self.random_8() + + def random_32(self): + return self.random_16() * 65536 + self.random_16() + + def random_between(self, first, last): + size = last - first + 1 + if size > 4294967296: + raise ValueError('too big') + if size > 65536: + rand = self.random_32 + max = 4294967295 + elif size > 256: + rand = self.random_16 + max = 65535 + else: + rand = self.random_8 + max = 255 + return first + size * rand() // (max + 1) + +pool = EntropyPool() + +try: + system_random = random.SystemRandom() +except Exception: # pragma: no cover + system_random = None + +def random_16(): + if system_random is not None: + return system_random.randrange(0, 65536) + else: + return pool.random_16() + +def between(first, last): + if system_random is not None: + return system_random.randrange(first, last + 1) + else: + return pool.random_between(first, last) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/enum.py b/backend/mb-env/lib/python3.9/site-packages/dns/enum.py new file mode 100644 index 0000000..b822dd5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/enum.py @@ -0,0 +1,90 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import enum + +class IntEnum(enum.IntEnum): + @classmethod + def _check_value(cls, value): + max = cls._maximum() + if value < 0 or value > max: + name = cls._short_name() + raise ValueError(f"{name} must be between >= 0 and <= {max}") + + @classmethod + def from_text(cls, text): + text = text.upper() + try: + return cls[text] + except KeyError: + pass + prefix = cls._prefix() + if text.startswith(prefix) and text[len(prefix):].isdigit(): + value = int(text[len(prefix):]) + cls._check_value(value) + try: + return cls(value) + except ValueError: + return value + raise cls._unknown_exception_class() + + @classmethod + def to_text(cls, value): + cls._check_value(value) + try: + return cls(value).name + except ValueError: + return f"{cls._prefix()}{value}" + + @classmethod + def make(cls, value): + """Convert text or a value into an enumerated type, if possible. + + *value*, the ``int`` or ``str`` to convert. + + Raises a class-specific exception if a ``str`` is provided that + cannot be converted. + + Raises ``ValueError`` if the value is out of range. + + Returns an enumeration from the calling class corresponding to the + value, if one is defined, or an ``int`` otherwise. + """ + + if isinstance(value, str): + return cls.from_text(value) + cls._check_value(value) + try: + return cls(value) + except ValueError: + return value + + @classmethod + def _maximum(cls): + raise NotImplementedError # pragma: no cover + + @classmethod + def _short_name(cls): + return cls.__name__.lower() + + @classmethod + def _prefix(cls): + return '' + + @classmethod + def _unknown_exception_class(cls): + return ValueError diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/exception.py b/backend/mb-env/lib/python3.9/site-packages/dns/exception.py new file mode 100644 index 0000000..9392373 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/exception.py @@ -0,0 +1,142 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Common DNS Exceptions. + +Dnspython modules may also define their own exceptions, which will +always be subclasses of ``DNSException``. +""" + +class DNSException(Exception): + """Abstract base class shared by all dnspython exceptions. + + It supports two basic modes of operation: + + a) Old/compatible mode is used if ``__init__`` was called with + empty *kwargs*. In compatible mode all *args* are passed + to the standard Python Exception class as before and all *args* are + printed by the standard ``__str__`` implementation. Class variable + ``msg`` (or doc string if ``msg`` is ``None``) is returned from ``str()`` + if *args* is empty. + + b) New/parametrized mode is used if ``__init__`` was called with + non-empty *kwargs*. + In the new mode *args* must be empty and all kwargs must match + those set in class variable ``supp_kwargs``. All kwargs are stored inside + ``self.kwargs`` and used in a new ``__str__`` implementation to construct + a formatted message based on the ``fmt`` class variable, a ``string``. + + In the simplest case it is enough to override the ``supp_kwargs`` + and ``fmt`` class variables to get nice parametrized messages. + """ + + msg = None # non-parametrized message + supp_kwargs = set() # accepted parameters for _fmt_kwargs (sanity check) + fmt = None # message parametrized with results from _fmt_kwargs + + def __init__(self, *args, **kwargs): + self._check_params(*args, **kwargs) + if kwargs: + self.kwargs = self._check_kwargs(**kwargs) + self.msg = str(self) + else: + self.kwargs = dict() # defined but empty for old mode exceptions + if self.msg is None: + # doc string is better implicit message than empty string + self.msg = self.__doc__ + if args: + super().__init__(*args) + else: + super().__init__(self.msg) + + def _check_params(self, *args, **kwargs): + """Old exceptions supported only args and not kwargs. + + For sanity we do not allow to mix old and new behavior.""" + if args or kwargs: + assert bool(args) != bool(kwargs), \ + 'keyword arguments are mutually exclusive with positional args' + + def _check_kwargs(self, **kwargs): + if kwargs: + assert set(kwargs.keys()) == self.supp_kwargs, \ + 'following set of keyword args is required: %s' % ( + self.supp_kwargs) + return kwargs + + def _fmt_kwargs(self, **kwargs): + """Format kwargs before printing them. + + Resulting dictionary has to have keys necessary for str.format call + on fmt class variable. + """ + fmtargs = {} + for kw, data in kwargs.items(): + if isinstance(data, (list, set)): + # convert list of to list of str() + fmtargs[kw] = list(map(str, data)) + if len(fmtargs[kw]) == 1: + # remove list brackets [] from single-item lists + fmtargs[kw] = fmtargs[kw].pop() + else: + fmtargs[kw] = data + return fmtargs + + def __str__(self): + if self.kwargs and self.fmt: + # provide custom message constructed from keyword arguments + fmtargs = self._fmt_kwargs(**self.kwargs) + return self.fmt.format(**fmtargs) + else: + # print *args directly in the same way as old DNSException + return super().__str__() + + +class FormError(DNSException): + """DNS message is malformed.""" + + +class SyntaxError(DNSException): + """Text input is malformed.""" + + +class UnexpectedEnd(SyntaxError): + """Text input ended unexpectedly.""" + + +class TooBig(DNSException): + """The DNS message is too big.""" + + +class Timeout(DNSException): + """The DNS operation timed out.""" + supp_kwargs = {'timeout'} + fmt = "The DNS operation timed out after {timeout} seconds" + + +class ExceptionWrapper: + def __init__(self, exception_class): + self.exception_class = exception_class + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if exc_type is not None and not isinstance(exc_val, + self.exception_class): + raise self.exception_class(str(exc_val)) from exc_val + return False diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/flags.py b/backend/mb-env/lib/python3.9/site-packages/dns/flags.py new file mode 100644 index 0000000..9652287 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/flags.py @@ -0,0 +1,119 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Message Flags.""" + +import enum + +# Standard DNS flags + +class Flag(enum.IntFlag): + #: Query Response + QR = 0x8000 + #: Authoritative Answer + AA = 0x0400 + #: Truncated Response + TC = 0x0200 + #: Recursion Desired + RD = 0x0100 + #: Recursion Available + RA = 0x0080 + #: Authentic Data + AD = 0x0020 + #: Checking Disabled + CD = 0x0010 + + +# EDNS flags + +class EDNSFlag(enum.IntFlag): + #: DNSSEC answer OK + DO = 0x8000 + + +def _from_text(text, enum_class): + flags = 0 + tokens = text.split() + for t in tokens: + flags |= enum_class[t.upper()] + return flags + + +def _to_text(flags, enum_class): + text_flags = [] + for k, v in enum_class.__members__.items(): + if flags & v != 0: + text_flags.append(k) + return ' '.join(text_flags) + + +def from_text(text): + """Convert a space-separated list of flag text values into a flags + value. + + Returns an ``int`` + """ + + return _from_text(text, Flag) + + +def to_text(flags): + """Convert a flags value into a space-separated list of flag text + values. + + Returns a ``str``. + """ + + return _to_text(flags, Flag) + + +def edns_from_text(text): + """Convert a space-separated list of EDNS flag text values into a EDNS + flags value. + + Returns an ``int`` + """ + + return _from_text(text, EDNSFlag) + + +def edns_to_text(flags): + """Convert an EDNS flags value into a space-separated list of EDNS flag + text values. + + Returns a ``str``. + """ + + return _to_text(flags, EDNSFlag) + +### BEGIN generated Flag constants + +QR = Flag.QR +AA = Flag.AA +TC = Flag.TC +RD = Flag.RD +RA = Flag.RA +AD = Flag.AD +CD = Flag.CD + +### END generated Flag constants + +### BEGIN generated EDNSFlag constants + +DO = EDNSFlag.DO + +### END generated EDNSFlag constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/grange.py b/backend/mb-env/lib/python3.9/site-packages/dns/grange.py new file mode 100644 index 0000000..112ede4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/grange.py @@ -0,0 +1,69 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2012-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS GENERATE range conversion.""" + +import dns + +def from_text(text): + """Convert the text form of a range in a ``$GENERATE`` statement to an + integer. + + *text*, a ``str``, the textual range in ``$GENERATE`` form. + + Returns a tuple of three ``int`` values ``(start, stop, step)``. + """ + + start = -1 + stop = -1 + step = 1 + cur = '' + state = 0 + # state 0 1 2 + # x - y / z + + if text and text[0] == '-': + raise dns.exception.SyntaxError("Start cannot be a negative number") + + for c in text: + if c == '-' and state == 0: + start = int(cur) + cur = '' + state = 1 + elif c == '/': + stop = int(cur) + cur = '' + state = 2 + elif c.isdigit(): + cur += c + else: + raise dns.exception.SyntaxError("Could not parse %s" % (c)) + + if state == 0: + raise dns.exception.SyntaxError("no stop value specified") + elif state == 1: + stop = int(cur) + else: + assert state == 2 + step = int(cur) + + assert step >= 1 + assert start >= 0 + if start > stop: + raise dns.exception.SyntaxError('start must be <= stop') + + return (start, stop, step) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/immutable.py b/backend/mb-env/lib/python3.9/site-packages/dns/immutable.py new file mode 100644 index 0000000..db7abbc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/immutable.py @@ -0,0 +1,70 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import collections.abc +import sys + +# pylint: disable=unused-import +if sys.version_info >= (3, 7): + odict = dict + from dns._immutable_ctx import immutable +else: + # pragma: no cover + from collections import OrderedDict as odict + from dns._immutable_attr import immutable # noqa +# pylint: enable=unused-import + + +@immutable +class Dict(collections.abc.Mapping): + def __init__(self, dictionary, no_copy=False): + """Make an immutable dictionary from the specified dictionary. + + If *no_copy* is `True`, then *dictionary* will be wrapped instead + of copied. Only set this if you are sure there will be no external + references to the dictionary. + """ + if no_copy and isinstance(dictionary, odict): + self._odict = dictionary + else: + self._odict = odict(dictionary) + self._hash = None + + def __getitem__(self, key): + return self._odict.__getitem__(key) + + def __hash__(self): # pylint: disable=invalid-hash-returned + if self._hash is None: + h = 0 + for key in sorted(self._odict.keys()): + h ^= hash(key) + object.__setattr__(self, '_hash', h) + # this does return an int, but pylint doesn't figure that out + return self._hash + + def __len__(self): + return len(self._odict) + + def __iter__(self): + return iter(self._odict) + + +def constify(o): + """ + Convert mutable types to immutable types. + """ + if isinstance(o, bytearray): + return bytes(o) + if isinstance(o, tuple): + try: + hash(o) + return o + except Exception: + return tuple(constify(elt) for elt in o) + if isinstance(o, list): + return tuple(constify(elt) for elt in o) + if isinstance(o, dict): + cdict = odict() + for k, v in o.items(): + cdict[k] = constify(v) + return Dict(cdict, True) + return o diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/inet.py b/backend/mb-env/lib/python3.9/site-packages/dns/inet.py new file mode 100644 index 0000000..d3bdc64 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/inet.py @@ -0,0 +1,170 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Generic Internet address helper functions.""" + +import socket + +import dns.ipv4 +import dns.ipv6 + + +# We assume that AF_INET and AF_INET6 are always defined. We keep +# these here for the benefit of any old code (unlikely though that +# is!). +AF_INET = socket.AF_INET +AF_INET6 = socket.AF_INET6 + + +def inet_pton(family, text): + """Convert the textual form of a network address into its binary form. + + *family* is an ``int``, the address family. + + *text* is a ``str``, the textual address. + + Raises ``NotImplementedError`` if the address family specified is not + implemented. + + Returns a ``bytes``. + """ + + if family == AF_INET: + return dns.ipv4.inet_aton(text) + elif family == AF_INET6: + return dns.ipv6.inet_aton(text, True) + else: + raise NotImplementedError + + +def inet_ntop(family, address): + """Convert the binary form of a network address into its textual form. + + *family* is an ``int``, the address family. + + *address* is a ``bytes``, the network address in binary form. + + Raises ``NotImplementedError`` if the address family specified is not + implemented. + + Returns a ``str``. + """ + + if family == AF_INET: + return dns.ipv4.inet_ntoa(address) + elif family == AF_INET6: + return dns.ipv6.inet_ntoa(address) + else: + raise NotImplementedError + + +def af_for_address(text): + """Determine the address family of a textual-form network address. + + *text*, a ``str``, the textual address. + + Raises ``ValueError`` if the address family cannot be determined + from the input. + + Returns an ``int``. + """ + + try: + dns.ipv4.inet_aton(text) + return AF_INET + except Exception: + try: + dns.ipv6.inet_aton(text, True) + return AF_INET6 + except Exception: + raise ValueError + + +def is_multicast(text): + """Is the textual-form network address a multicast address? + + *text*, a ``str``, the textual address. + + Raises ``ValueError`` if the address family cannot be determined + from the input. + + Returns a ``bool``. + """ + + try: + first = dns.ipv4.inet_aton(text)[0] + return first >= 224 and first <= 239 + except Exception: + try: + first = dns.ipv6.inet_aton(text, True)[0] + return first == 255 + except Exception: + raise ValueError + + +def is_address(text): + """Is the specified string an IPv4 or IPv6 address? + + *text*, a ``str``, the textual address. + + Returns a ``bool``. + """ + + try: + dns.ipv4.inet_aton(text) + return True + except Exception: + try: + dns.ipv6.inet_aton(text, True) + return True + except Exception: + return False + + +def low_level_address_tuple(high_tuple, af=None): + """Given a "high-level" address tuple, i.e. + an (address, port) return the appropriate "low-level" address tuple + suitable for use in socket calls. + + If an *af* other than ``None`` is provided, it is assumed the + address in the high-level tuple is valid and has that af. If af + is ``None``, then af_for_address will be called. + + """ + address, port = high_tuple + if af is None: + af = af_for_address(address) + if af == AF_INET: + return (address, port) + elif af == AF_INET6: + i = address.find('%') + if i < 0: + # no scope, shortcut! + return (address, port, 0, 0) + # try to avoid getaddrinfo() + addrpart = address[:i] + scope = address[i + 1:] + if scope.isdigit(): + return (addrpart, port, 0, int(scope)) + try: + return (addrpart, port, 0, socket.if_nametoindex(scope)) + except AttributeError: # pragma: no cover (we can't really test this) + ai_flags = socket.AI_NUMERICHOST + ((*_, tup), *_) = socket.getaddrinfo(address, port, flags=ai_flags) + return tup + else: + raise NotImplementedError(f'unknown address family {af}') diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/ipv4.py b/backend/mb-env/lib/python3.9/site-packages/dns/ipv4.py new file mode 100644 index 0000000..e1f38d3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/ipv4.py @@ -0,0 +1,60 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""IPv4 helper functions.""" + +import struct + +import dns.exception + +def inet_ntoa(address): + """Convert an IPv4 address in binary form to text form. + + *address*, a ``bytes``, the IPv4 address in binary form. + + Returns a ``str``. + """ + + if len(address) != 4: + raise dns.exception.SyntaxError + return ('%u.%u.%u.%u' % (address[0], address[1], + address[2], address[3])) + +def inet_aton(text): + """Convert an IPv4 address in text form to binary form. + + *text*, a ``str``, the IPv4 address in textual form. + + Returns a ``bytes``. + """ + + if not isinstance(text, bytes): + text = text.encode() + parts = text.split(b'.') + if len(parts) != 4: + raise dns.exception.SyntaxError + for part in parts: + if not part.isdigit(): + raise dns.exception.SyntaxError + if len(part) > 1 and part[0] == ord('0'): + # No leading zeros + raise dns.exception.SyntaxError + try: + b = [int(part) for part in parts] + return struct.pack('BBBB', *b) + except Exception: + raise dns.exception.SyntaxError diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/ipv6.py b/backend/mb-env/lib/python3.9/site-packages/dns/ipv6.py new file mode 100644 index 0000000..f0e522c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/ipv6.py @@ -0,0 +1,197 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""IPv6 helper functions.""" + +import re +import binascii + +import dns.exception +import dns.ipv4 + +_leading_zero = re.compile(r'0+([0-9a-f]+)') + +def inet_ntoa(address): + """Convert an IPv6 address in binary form to text form. + + *address*, a ``bytes``, the IPv6 address in binary form. + + Raises ``ValueError`` if the address isn't 16 bytes long. + Returns a ``str``. + """ + + if len(address) != 16: + raise ValueError("IPv6 addresses are 16 bytes long") + hex = binascii.hexlify(address) + chunks = [] + i = 0 + l = len(hex) + while i < l: + chunk = hex[i:i + 4].decode() + # strip leading zeros. we do this with an re instead of + # with lstrip() because lstrip() didn't support chars until + # python 2.2.2 + m = _leading_zero.match(chunk) + if m is not None: + chunk = m.group(1) + chunks.append(chunk) + i += 4 + # + # Compress the longest subsequence of 0-value chunks to :: + # + best_start = 0 + best_len = 0 + start = -1 + last_was_zero = False + for i in range(8): + if chunks[i] != '0': + if last_was_zero: + end = i + current_len = end - start + if current_len > best_len: + best_start = start + best_len = current_len + last_was_zero = False + elif not last_was_zero: + start = i + last_was_zero = True + if last_was_zero: + end = 8 + current_len = end - start + if current_len > best_len: + best_start = start + best_len = current_len + if best_len > 1: + if best_start == 0 and \ + (best_len == 6 or + best_len == 5 and chunks[5] == 'ffff'): + # We have an embedded IPv4 address + if best_len == 6: + prefix = '::' + else: + prefix = '::ffff:' + hex = prefix + dns.ipv4.inet_ntoa(address[12:]) + else: + hex = ':'.join(chunks[:best_start]) + '::' + \ + ':'.join(chunks[best_start + best_len:]) + else: + hex = ':'.join(chunks) + return hex + +_v4_ending = re.compile(br'(.*):(\d+\.\d+\.\d+\.\d+)$') +_colon_colon_start = re.compile(br'::.*') +_colon_colon_end = re.compile(br'.*::$') + +def inet_aton(text, ignore_scope=False): + """Convert an IPv6 address in text form to binary form. + + *text*, a ``str``, the IPv6 address in textual form. + + *ignore_scope*, a ``bool``. If ``True``, a scope will be ignored. + If ``False``, the default, it is an error for a scope to be present. + + Returns a ``bytes``. + """ + + # + # Our aim here is not something fast; we just want something that works. + # + if not isinstance(text, bytes): + text = text.encode() + + if ignore_scope: + parts = text.split(b'%') + l = len(parts) + if l == 2: + text = parts[0] + elif l > 2: + raise dns.exception.SyntaxError + + if text == b'': + raise dns.exception.SyntaxError + elif text.endswith(b':') and not text.endswith(b'::'): + raise dns.exception.SyntaxError + elif text.startswith(b':') and not text.startswith(b'::'): + raise dns.exception.SyntaxError + elif text == b'::': + text = b'0::' + # + # Get rid of the icky dot-quad syntax if we have it. + # + m = _v4_ending.match(text) + if m is not None: + b = dns.ipv4.inet_aton(m.group(2)) + text = (u"{}:{:02x}{:02x}:{:02x}{:02x}".format(m.group(1).decode(), + b[0], b[1], b[2], + b[3])).encode() + # + # Try to turn '::' into ':'; if no match try to + # turn '::' into ':' + # + m = _colon_colon_start.match(text) + if m is not None: + text = text[1:] + else: + m = _colon_colon_end.match(text) + if m is not None: + text = text[:-1] + # + # Now canonicalize into 8 chunks of 4 hex digits each + # + chunks = text.split(b':') + l = len(chunks) + if l > 8: + raise dns.exception.SyntaxError + seen_empty = False + canonical = [] + for c in chunks: + if c == b'': + if seen_empty: + raise dns.exception.SyntaxError + seen_empty = True + for _ in range(0, 8 - l + 1): + canonical.append(b'0000') + else: + lc = len(c) + if lc > 4: + raise dns.exception.SyntaxError + if lc != 4: + c = (b'0' * (4 - lc)) + c + canonical.append(c) + if l < 8 and not seen_empty: + raise dns.exception.SyntaxError + text = b''.join(canonical) + + # + # Finally we can go to binary. + # + try: + return binascii.unhexlify(text) + except (binascii.Error, TypeError): + raise dns.exception.SyntaxError + +_mapped_prefix = b'\x00' * 10 + b'\xff\xff' + +def is_mapped(address): + """Is the specified address a mapped IPv4 address? + + *address*, a ``bytes`` is an IPv6 address in binary form. + + Returns a ``bool``. + """ + + return address.startswith(_mapped_prefix) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/message.py b/backend/mb-env/lib/python3.9/site-packages/dns/message.py new file mode 100644 index 0000000..2a7565a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/message.py @@ -0,0 +1,1507 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Messages""" + +import contextlib +import io +import time + +import dns.wire +import dns.edns +import dns.enum +import dns.exception +import dns.flags +import dns.name +import dns.opcode +import dns.entropy +import dns.rcode +import dns.rdata +import dns.rdataclass +import dns.rdatatype +import dns.rrset +import dns.renderer +import dns.ttl +import dns.tsig +import dns.rdtypes.ANY.OPT +import dns.rdtypes.ANY.TSIG + + +class ShortHeader(dns.exception.FormError): + """The DNS packet passed to from_wire() is too short.""" + + +class TrailingJunk(dns.exception.FormError): + """The DNS packet passed to from_wire() has extra junk at the end of it.""" + + +class UnknownHeaderField(dns.exception.DNSException): + """The header field name was not recognized when converting from text + into a message.""" + + +class BadEDNS(dns.exception.FormError): + """An OPT record occurred somewhere other than + the additional data section.""" + + +class BadTSIG(dns.exception.FormError): + """A TSIG record occurred somewhere other than the end of + the additional data section.""" + + +class UnknownTSIGKey(dns.exception.DNSException): + """A TSIG with an unknown key was received.""" + + +class Truncated(dns.exception.DNSException): + """The truncated flag is set.""" + + supp_kwargs = {'message'} + + def message(self): + """As much of the message as could be processed. + + Returns a ``dns.message.Message``. + """ + return self.kwargs['message'] + + +class NotQueryResponse(dns.exception.DNSException): + """Message is not a response to a query.""" + + +class ChainTooLong(dns.exception.DNSException): + """The CNAME chain is too long.""" + + +class AnswerForNXDOMAIN(dns.exception.DNSException): + """The rcode is NXDOMAIN but an answer was found.""" + +class NoPreviousName(dns.exception.SyntaxError): + """No previous name was known.""" + + +class MessageSection(dns.enum.IntEnum): + """Message sections""" + QUESTION = 0 + ANSWER = 1 + AUTHORITY = 2 + ADDITIONAL = 3 + + @classmethod + def _maximum(cls): + return 3 + + +DEFAULT_EDNS_PAYLOAD = 1232 +MAX_CHAIN = 16 + +class Message: + """A DNS message.""" + + _section_enum = MessageSection + + def __init__(self, id=None): + if id is None: + self.id = dns.entropy.random_16() + else: + self.id = id + self.flags = 0 + self.sections = [[], [], [], []] + self.opt = None + self.request_payload = 0 + self.keyring = None + self.tsig = None + self.request_mac = b'' + self.xfr = False + self.origin = None + self.tsig_ctx = None + self.index = {} + + @property + def question(self): + """ The question section.""" + return self.sections[0] + + @question.setter + def question(self, v): + self.sections[0] = v + + @property + def answer(self): + """ The answer section.""" + return self.sections[1] + + @answer.setter + def answer(self, v): + self.sections[1] = v + + @property + def authority(self): + """ The authority section.""" + return self.sections[2] + + @authority.setter + def authority(self, v): + self.sections[2] = v + + @property + def additional(self): + """ The additional data section.""" + return self.sections[3] + + @additional.setter + def additional(self, v): + self.sections[3] = v + + def __repr__(self): + return '' + + def __str__(self): + return self.to_text() + + def to_text(self, origin=None, relativize=True, **kw): + """Convert the message to text. + + The *origin*, *relativize*, and any other keyword + arguments are passed to the RRset ``to_wire()`` method. + + Returns a ``str``. + """ + + s = io.StringIO() + s.write('id %d\n' % self.id) + s.write('opcode %s\n' % dns.opcode.to_text(self.opcode())) + s.write('rcode %s\n' % dns.rcode.to_text(self.rcode())) + s.write('flags %s\n' % dns.flags.to_text(self.flags)) + if self.edns >= 0: + s.write('edns %s\n' % self.edns) + if self.ednsflags != 0: + s.write('eflags %s\n' % + dns.flags.edns_to_text(self.ednsflags)) + s.write('payload %d\n' % self.payload) + for opt in self.options: + s.write('option %s\n' % opt.to_text()) + for (name, which) in self._section_enum.__members__.items(): + s.write(f';{name}\n') + for rrset in self.section_from_number(which): + s.write(rrset.to_text(origin, relativize, **kw)) + s.write('\n') + # + # We strip off the final \n so the caller can print the result without + # doing weird things to get around eccentricities in Python print + # formatting + # + return s.getvalue()[:-1] + + def __eq__(self, other): + """Two messages are equal if they have the same content in the + header, question, answer, and authority sections. + + Returns a ``bool``. + """ + + if not isinstance(other, Message): + return False + if self.id != other.id: + return False + if self.flags != other.flags: + return False + for i, section in enumerate(self.sections): + other_section = other.sections[i] + for n in section: + if n not in other_section: + return False + for n in other_section: + if n not in section: + return False + return True + + def __ne__(self, other): + return not self.__eq__(other) + + def is_response(self, other): + """Is *other* a response this message? + + Returns a ``bool``. + """ + + if other.flags & dns.flags.QR == 0 or \ + self.id != other.id or \ + dns.opcode.from_flags(self.flags) != \ + dns.opcode.from_flags(other.flags): + return False + if other.rcode() in {dns.rcode.FORMERR, dns.rcode.SERVFAIL, + dns.rcode.NOTIMP, dns.rcode.REFUSED}: + # We don't check the question section in these cases if + # the other question section is empty, even though they + # still really ought to have a question section. + if len(other.question) == 0: + return True + if dns.opcode.is_update(self.flags): + # This is assuming the "sender doesn't include anything + # from the update", but we don't care to check the other + # case, which is that all the sections are returned and + # identical. + return True + for n in self.question: + if n not in other.question: + return False + for n in other.question: + if n not in self.question: + return False + return True + + def section_number(self, section): + """Return the "section number" of the specified section for use + in indexing. + + *section* is one of the section attributes of this message. + + Raises ``ValueError`` if the section isn't known. + + Returns an ``int``. + """ + + for i, our_section in enumerate(self.sections): + if section is our_section: + return self._section_enum(i) + raise ValueError('unknown section') + + def section_from_number(self, number): + """Return the section list associated with the specified section + number. + + *number* is a section number `int` or the text form of a section + name. + + Raises ``ValueError`` if the section isn't known. + + Returns a ``list``. + """ + + section = self._section_enum.make(number) + return self.sections[section] + + def find_rrset(self, section, name, rdclass, rdtype, + covers=dns.rdatatype.NONE, deleting=None, create=False, + force_unique=False): + """Find the RRset with the given attributes in the specified section. + + *section*, an ``int`` section number, or one of the section + attributes of this message. This specifies the + the section of the message to search. For example:: + + my_message.find_rrset(my_message.answer, name, rdclass, rdtype) + my_message.find_rrset(dns.message.ANSWER, name, rdclass, rdtype) + + *name*, a ``dns.name.Name``, the name of the RRset. + + *rdclass*, an ``int``, the class of the RRset. + + *rdtype*, an ``int``, the type of the RRset. + + *covers*, an ``int`` or ``None``, the covers value of the RRset. + The default is ``None``. + + *deleting*, an ``int`` or ``None``, the deleting value of the RRset. + The default is ``None``. + + *create*, a ``bool``. If ``True``, create the RRset if it is not found. + The created RRset is appended to *section*. + + *force_unique*, a ``bool``. If ``True`` and *create* is also ``True``, + create a new RRset regardless of whether a matching RRset exists + already. The default is ``False``. This is useful when creating + DDNS Update messages, as order matters for them. + + Raises ``KeyError`` if the RRset was not found and create was + ``False``. + + Returns a ``dns.rrset.RRset object``. + """ + + if isinstance(section, int): + section_number = section + section = self.section_from_number(section_number) + else: + section_number = self.section_number(section) + key = (section_number, name, rdclass, rdtype, covers, deleting) + if not force_unique: + if self.index is not None: + rrset = self.index.get(key) + if rrset is not None: + return rrset + else: + for rrset in section: + if rrset.full_match(name, rdclass, rdtype, covers, + deleting): + return rrset + if not create: + raise KeyError + rrset = dns.rrset.RRset(name, rdclass, rdtype, covers, deleting) + section.append(rrset) + if self.index is not None: + self.index[key] = rrset + return rrset + + def get_rrset(self, section, name, rdclass, rdtype, + covers=dns.rdatatype.NONE, deleting=None, create=False, + force_unique=False): + """Get the RRset with the given attributes in the specified section. + + If the RRset is not found, None is returned. + + *section*, an ``int`` section number, or one of the section + attributes of this message. This specifies the + the section of the message to search. For example:: + + my_message.get_rrset(my_message.answer, name, rdclass, rdtype) + my_message.get_rrset(dns.message.ANSWER, name, rdclass, rdtype) + + *name*, a ``dns.name.Name``, the name of the RRset. + + *rdclass*, an ``int``, the class of the RRset. + + *rdtype*, an ``int``, the type of the RRset. + + *covers*, an ``int`` or ``None``, the covers value of the RRset. + The default is ``None``. + + *deleting*, an ``int`` or ``None``, the deleting value of the RRset. + The default is ``None``. + + *create*, a ``bool``. If ``True``, create the RRset if it is not found. + The created RRset is appended to *section*. + + *force_unique*, a ``bool``. If ``True`` and *create* is also ``True``, + create a new RRset regardless of whether a matching RRset exists + already. The default is ``False``. This is useful when creating + DDNS Update messages, as order matters for them. + + Returns a ``dns.rrset.RRset object`` or ``None``. + """ + + try: + rrset = self.find_rrset(section, name, rdclass, rdtype, covers, + deleting, create, force_unique) + except KeyError: + rrset = None + return rrset + + def to_wire(self, origin=None, max_size=0, multi=False, tsig_ctx=None, + **kw): + """Return a string containing the message in DNS compressed wire + format. + + Additional keyword arguments are passed to the RRset ``to_wire()`` + method. + + *origin*, a ``dns.name.Name`` or ``None``, the origin to be appended + to any relative names. If ``None``, and the message has an origin + attribute that is not ``None``, then it will be used. + + *max_size*, an ``int``, the maximum size of the wire format + output; default is 0, which means "the message's request + payload, if nonzero, or 65535". + + *multi*, a ``bool``, should be set to ``True`` if this message is + part of a multiple message sequence. + + *tsig_ctx*, a ``dns.tsig.HMACTSig`` or ``dns.tsig.GSSTSig`` object, the + ongoing TSIG context, used when signing zone transfers. + + Raises ``dns.exception.TooBig`` if *max_size* was exceeded. + + Returns a ``bytes``. + """ + + if origin is None and self.origin is not None: + origin = self.origin + if max_size == 0: + if self.request_payload != 0: + max_size = self.request_payload + else: + max_size = 65535 + if max_size < 512: + max_size = 512 + elif max_size > 65535: + max_size = 65535 + r = dns.renderer.Renderer(self.id, self.flags, max_size, origin) + for rrset in self.question: + r.add_question(rrset.name, rrset.rdtype, rrset.rdclass) + for rrset in self.answer: + r.add_rrset(dns.renderer.ANSWER, rrset, **kw) + for rrset in self.authority: + r.add_rrset(dns.renderer.AUTHORITY, rrset, **kw) + if self.opt is not None: + r.add_rrset(dns.renderer.ADDITIONAL, self.opt) + for rrset in self.additional: + r.add_rrset(dns.renderer.ADDITIONAL, rrset, **kw) + r.write_header() + if self.tsig is not None: + (new_tsig, ctx) = dns.tsig.sign(r.get_wire(), + self.keyring, + self.tsig[0], + int(time.time()), + self.request_mac, + tsig_ctx, + multi) + self.tsig.clear() + self.tsig.add(new_tsig) + r.add_rrset(dns.renderer.ADDITIONAL, self.tsig) + r.write_header() + if multi: + self.tsig_ctx = ctx + return r.get_wire() + + @staticmethod + def _make_tsig(keyname, algorithm, time_signed, fudge, mac, original_id, + error, other): + tsig = dns.rdtypes.ANY.TSIG.TSIG(dns.rdataclass.ANY, dns.rdatatype.TSIG, + algorithm, time_signed, fudge, mac, + original_id, error, other) + return dns.rrset.from_rdata(keyname, 0, tsig) + + def use_tsig(self, keyring, keyname=None, fudge=300, + original_id=None, tsig_error=0, other_data=b'', + algorithm=dns.tsig.default_algorithm): + """When sending, a TSIG signature using the specified key + should be added. + + *key*, a ``dns.tsig.Key`` is the key to use. If a key is specified, + the *keyring* and *algorithm* fields are not used. + + *keyring*, a ``dict``, ``callable`` or ``dns.tsig.Key``, is either + the TSIG keyring or key to use. + + The format of a keyring dict is a mapping from TSIG key name, as + ``dns.name.Name`` to ``dns.tsig.Key`` or a TSIG secret, a ``bytes``. + If a ``dict`` *keyring* is specified but a *keyname* is not, the key + used will be the first key in the *keyring*. Note that the order of + keys in a dictionary is not defined, so applications should supply a + keyname when a ``dict`` keyring is used, unless they know the keyring + contains only one key. If a ``callable`` keyring is specified, the + callable will be called with the message and the keyname, and is + expected to return a key. + + *keyname*, a ``dns.name.Name``, ``str`` or ``None``, the name of + thes TSIG key to use; defaults to ``None``. If *keyring* is a + ``dict``, the key must be defined in it. If *keyring* is a + ``dns.tsig.Key``, this is ignored. + + *fudge*, an ``int``, the TSIG time fudge. + + *original_id*, an ``int``, the TSIG original id. If ``None``, + the message's id is used. + + *tsig_error*, an ``int``, the TSIG error code. + + *other_data*, a ``bytes``, the TSIG other data. + + *algorithm*, a ``dns.name.Name``, the TSIG algorithm to use. This is + only used if *keyring* is a ``dict``, and the key entry is a ``bytes``. + """ + + if isinstance(keyring, dns.tsig.Key): + key = keyring + keyname = key.name + elif callable(keyring): + key = keyring(self, keyname) + else: + if isinstance(keyname, str): + keyname = dns.name.from_text(keyname) + if keyname is None: + keyname = next(iter(keyring)) + key = keyring[keyname] + if isinstance(key, bytes): + key = dns.tsig.Key(keyname, key, algorithm) + self.keyring = key + if original_id is None: + original_id = self.id + self.tsig = self._make_tsig(keyname, self.keyring.algorithm, 0, fudge, + b'', original_id, tsig_error, other_data) + + @property + def keyname(self): + if self.tsig: + return self.tsig.name + else: + return None + + @property + def keyalgorithm(self): + if self.tsig: + return self.tsig[0].algorithm + else: + return None + + @property + def mac(self): + if self.tsig: + return self.tsig[0].mac + else: + return None + + @property + def tsig_error(self): + if self.tsig: + return self.tsig[0].error + else: + return None + + @property + def had_tsig(self): + return bool(self.tsig) + + @staticmethod + def _make_opt(flags=0, payload=DEFAULT_EDNS_PAYLOAD, options=None): + opt = dns.rdtypes.ANY.OPT.OPT(payload, dns.rdatatype.OPT, + options or ()) + return dns.rrset.from_rdata(dns.name.root, int(flags), opt) + + def use_edns(self, edns=0, ednsflags=0, payload=DEFAULT_EDNS_PAYLOAD, + request_payload=None, options=None): + """Configure EDNS behavior. + + *edns*, an ``int``, is the EDNS level to use. Specifying + ``None``, ``False``, or ``-1`` means "do not use EDNS", and in this case + the other parameters are ignored. Specifying ``True`` is + equivalent to specifying 0, i.e. "use EDNS0". + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the + maximum size of UDP datagram the sender can handle. I.e. how big + a response to this message can be. + + *request_payload*, an ``int``, is the EDNS payload size to use when + sending this message. If not specified, defaults to the value of + *payload*. + + *options*, a list of ``dns.edns.Option`` objects or ``None``, the EDNS + options. + """ + + if edns is None or edns is False: + edns = -1 + elif edns is True: + edns = 0 + if edns < 0: + self.opt = None + self.request_payload = 0 + else: + # make sure the EDNS version in ednsflags agrees with edns + ednsflags &= 0xFF00FFFF + ednsflags |= (edns << 16) + if options is None: + options = [] + self.opt = self._make_opt(ednsflags, payload, options) + if request_payload is None: + request_payload = payload + self.request_payload = request_payload + + @property + def edns(self): + if self.opt: + return (self.ednsflags & 0xff0000) >> 16 + else: + return -1 + + @property + def ednsflags(self): + if self.opt: + return self.opt.ttl + else: + return 0 + + @ednsflags.setter + def ednsflags(self, v): + if self.opt: + self.opt.ttl = v + elif v: + self.opt = self._make_opt(v) + + @property + def payload(self): + if self.opt: + return self.opt[0].payload + else: + return 0 + + @property + def options(self): + if self.opt: + return self.opt[0].options + else: + return () + + def want_dnssec(self, wanted=True): + """Enable or disable 'DNSSEC desired' flag in requests. + + *wanted*, a ``bool``. If ``True``, then DNSSEC data is + desired in the response, EDNS is enabled if required, and then + the DO bit is set. If ``False``, the DO bit is cleared if + EDNS is enabled. + """ + + if wanted: + self.ednsflags |= dns.flags.DO + elif self.opt: + self.ednsflags &= ~dns.flags.DO + + def rcode(self): + """Return the rcode. + + Returns an ``int``. + """ + return dns.rcode.from_flags(int(self.flags), int(self.ednsflags)) + + def set_rcode(self, rcode): + """Set the rcode. + + *rcode*, an ``int``, is the rcode to set. + """ + (value, evalue) = dns.rcode.to_flags(rcode) + self.flags &= 0xFFF0 + self.flags |= value + self.ednsflags &= 0x00FFFFFF + self.ednsflags |= evalue + + def opcode(self): + """Return the opcode. + + Returns an ``int``. + """ + return dns.opcode.from_flags(int(self.flags)) + + def set_opcode(self, opcode): + """Set the opcode. + + *opcode*, an ``int``, is the opcode to set. + """ + self.flags &= 0x87FF + self.flags |= dns.opcode.to_flags(opcode) + + def _get_one_rr_per_rrset(self, value): + # What the caller picked is fine. + return value + + # pylint: disable=unused-argument + + def _parse_rr_header(self, section, name, rdclass, rdtype): + return (rdclass, rdtype, None, False) + + # pylint: enable=unused-argument + + def _parse_special_rr_header(self, section, count, position, + name, rdclass, rdtype): + if rdtype == dns.rdatatype.OPT: + if section != MessageSection.ADDITIONAL or self.opt or \ + name != dns.name.root: + raise BadEDNS + elif rdtype == dns.rdatatype.TSIG: + if section != MessageSection.ADDITIONAL or \ + rdclass != dns.rdatatype.ANY or \ + position != count - 1: + raise BadTSIG + return (rdclass, rdtype, None, False) + + +class ChainingResult: + """The result of a call to dns.message.QueryMessage.resolve_chaining(). + + The ``answer`` attribute is the answer RRSet, or ``None`` if it doesn't + exist. + + The ``canonical_name`` attribute is the canonical name after all + chaining has been applied (this is the name as ``rrset.name`` in cases + where rrset is not ``None``). + + The ``minimum_ttl`` attribute is the minimum TTL, i.e. the TTL to + use if caching the data. It is the smallest of all the CNAME TTLs + and either the answer TTL if it exists or the SOA TTL and SOA + minimum values for negative answers. + + The ``cnames`` attribute is a list of all the CNAME RRSets followed to + get to the canonical name. + """ + def __init__(self, canonical_name, answer, minimum_ttl, cnames): + self.canonical_name = canonical_name + self.answer = answer + self.minimum_ttl = minimum_ttl + self.cnames = cnames + + +class QueryMessage(Message): + def resolve_chaining(self): + """Follow the CNAME chain in the response to determine the answer + RRset. + + Raises ``dns.message.NotQueryResponse`` if the message is not + a response. + + Raises ``dns.message.ChainTooLong`` if the CNAME chain is too long. + + Raises ``dns.message.AnswerForNXDOMAIN`` if the rcode is NXDOMAIN + but an answer was found. + + Raises ``dns.exception.FormError`` if the question count is not 1. + + Returns a ChainingResult object. + """ + if self.flags & dns.flags.QR == 0: + raise NotQueryResponse + if len(self.question) != 1: + raise dns.exception.FormError + question = self.question[0] + qname = question.name + min_ttl = dns.ttl.MAX_TTL + answer = None + count = 0 + cnames = [] + while count < MAX_CHAIN: + try: + answer = self.find_rrset(self.answer, qname, question.rdclass, + question.rdtype) + min_ttl = min(min_ttl, answer.ttl) + break + except KeyError: + if question.rdtype != dns.rdatatype.CNAME: + try: + crrset = self.find_rrset(self.answer, qname, + question.rdclass, + dns.rdatatype.CNAME) + cnames.append(crrset) + min_ttl = min(min_ttl, crrset.ttl) + for rd in crrset: + qname = rd.target + break + count += 1 + continue + except KeyError: + # Exit the chaining loop + break + else: + # Exit the chaining loop + break + if count >= MAX_CHAIN: + raise ChainTooLong + if self.rcode() == dns.rcode.NXDOMAIN and answer is not None: + raise AnswerForNXDOMAIN + if answer is None: + # Further minimize the TTL with NCACHE. + auname = qname + while True: + # Look for an SOA RR whose owner name is a superdomain + # of qname. + try: + srrset = self.find_rrset(self.authority, auname, + question.rdclass, + dns.rdatatype.SOA) + min_ttl = min(min_ttl, srrset.ttl, srrset[0].minimum) + break + except KeyError: + try: + auname = auname.parent() + except dns.name.NoParent: + break + return ChainingResult(qname, answer, min_ttl, cnames) + + def canonical_name(self): + """Return the canonical name of the first name in the question + section. + + Raises ``dns.message.NotQueryResponse`` if the message is not + a response. + + Raises ``dns.message.ChainTooLong`` if the CNAME chain is too long. + + Raises ``dns.message.AnswerForNXDOMAIN`` if the rcode is NXDOMAIN + but an answer was found. + + Raises ``dns.exception.FormError`` if the question count is not 1. + """ + return self.resolve_chaining().canonical_name + + +def _maybe_import_update(): + # We avoid circular imports by doing this here. We do it in another + # function as doing it in _message_factory_from_opcode() makes "dns" + # a local symbol, and the first line fails :) + + # pylint: disable=redefined-outer-name,import-outside-toplevel,unused-import + import dns.update # noqa: F401 + + +def _message_factory_from_opcode(opcode): + if opcode == dns.opcode.QUERY: + return QueryMessage + elif opcode == dns.opcode.UPDATE: + _maybe_import_update() + return dns.update.UpdateMessage + else: + return Message + + +class _WireReader: + + """Wire format reader. + + parser: the binary parser + message: The message object being built + initialize_message: Callback to set message parsing options + question_only: Are we only reading the question? + one_rr_per_rrset: Put each RR into its own RRset? + keyring: TSIG keyring + ignore_trailing: Ignore trailing junk at end of request? + multi: Is this message part of a multi-message sequence? + DNS dynamic updates. + """ + + def __init__(self, wire, initialize_message, question_only=False, + one_rr_per_rrset=False, ignore_trailing=False, + keyring=None, multi=False): + self.parser = dns.wire.Parser(wire) + self.message = None + self.initialize_message = initialize_message + self.question_only = question_only + self.one_rr_per_rrset = one_rr_per_rrset + self.ignore_trailing = ignore_trailing + self.keyring = keyring + self.multi = multi + + def _get_question(self, section_number, qcount): + """Read the next *qcount* records from the wire data and add them to + the question section. + """ + + section = self.message.sections[section_number] + for _ in range(qcount): + qname = self.parser.get_name(self.message.origin) + (rdtype, rdclass) = self.parser.get_struct('!HH') + (rdclass, rdtype, _, _) = \ + self.message._parse_rr_header(section_number, qname, rdclass, + rdtype) + self.message.find_rrset(section, qname, rdclass, rdtype, + create=True, force_unique=True) + + def _get_section(self, section_number, count): + """Read the next I{count} records from the wire data and add them to + the specified section. + + section: the section of the message to which to add records + count: the number of records to read + """ + + section = self.message.sections[section_number] + force_unique = self.one_rr_per_rrset + for i in range(count): + rr_start = self.parser.current + absolute_name = self.parser.get_name() + if self.message.origin is not None: + name = absolute_name.relativize(self.message.origin) + else: + name = absolute_name + (rdtype, rdclass, ttl, rdlen) = self.parser.get_struct('!HHIH') + if rdtype in (dns.rdatatype.OPT, dns.rdatatype.TSIG): + (rdclass, rdtype, deleting, empty) = \ + self.message._parse_special_rr_header(section_number, + count, i, name, + rdclass, rdtype) + else: + (rdclass, rdtype, deleting, empty) = \ + self.message._parse_rr_header(section_number, + name, rdclass, rdtype) + if empty: + if rdlen > 0: + raise dns.exception.FormError + rd = None + covers = dns.rdatatype.NONE + else: + with self.parser.restrict_to(rdlen): + rd = dns.rdata.from_wire_parser(rdclass, rdtype, + self.parser, + self.message.origin) + covers = rd.covers() + if self.message.xfr and rdtype == dns.rdatatype.SOA: + force_unique = True + if rdtype == dns.rdatatype.OPT: + self.message.opt = dns.rrset.from_rdata(name, ttl, rd) + elif rdtype == dns.rdatatype.TSIG: + if self.keyring is None: + raise UnknownTSIGKey('got signed message without keyring') + if isinstance(self.keyring, dict): + key = self.keyring.get(absolute_name) + if isinstance(key, bytes): + key = dns.tsig.Key(absolute_name, key, rd.algorithm) + elif callable(self.keyring): + key = self.keyring(self.message, absolute_name) + else: + key = self.keyring + if key is None: + raise UnknownTSIGKey("key '%s' unknown" % name) + self.message.keyring = key + self.message.tsig_ctx = \ + dns.tsig.validate(self.parser.wire, + key, + absolute_name, + rd, + int(time.time()), + self.message.request_mac, + rr_start, + self.message.tsig_ctx, + self.multi) + self.message.tsig = dns.rrset.from_rdata(absolute_name, 0, rd) + else: + rrset = self.message.find_rrset(section, name, + rdclass, rdtype, covers, + deleting, True, + force_unique) + if rd is not None: + if ttl > 0x7fffffff: + ttl = 0 + rrset.add(rd, ttl) + + def read(self): + """Read a wire format DNS message and build a dns.message.Message + object.""" + + if self.parser.remaining() < 12: + raise ShortHeader + (id, flags, qcount, ancount, aucount, adcount) = \ + self.parser.get_struct('!HHHHHH') + factory = _message_factory_from_opcode(dns.opcode.from_flags(flags)) + self.message = factory(id=id) + self.message.flags = dns.flags.Flag(flags) + self.initialize_message(self.message) + self.one_rr_per_rrset = \ + self.message._get_one_rr_per_rrset(self.one_rr_per_rrset) + self._get_question(MessageSection.QUESTION, qcount) + if self.question_only: + return self.message + self._get_section(MessageSection.ANSWER, ancount) + self._get_section(MessageSection.AUTHORITY, aucount) + self._get_section(MessageSection.ADDITIONAL, adcount) + if not self.ignore_trailing and self.parser.remaining() != 0: + raise TrailingJunk + if self.multi and self.message.tsig_ctx and not self.message.had_tsig: + self.message.tsig_ctx.update(self.parser.wire) + return self.message + + +def from_wire(wire, keyring=None, request_mac=b'', xfr=False, origin=None, + tsig_ctx=None, multi=False, + question_only=False, one_rr_per_rrset=False, + ignore_trailing=False, raise_on_truncation=False): + """Convert a DNS wire format message into a message + object. + + *keyring*, a ``dns.tsig.Key`` or ``dict``, the key or keyring to use + if the message is signed. + + *request_mac*, a ``bytes``. If the message is a response to a + TSIG-signed request, *request_mac* should be set to the MAC of + that request. + + *xfr*, a ``bool``, should be set to ``True`` if this message is part of + a zone transfer. + + *origin*, a ``dns.name.Name`` or ``None``. If the message is part + of a zone transfer, *origin* should be the origin name of the + zone. If not ``None``, names will be relativized to the origin. + + *tsig_ctx*, a ``dns.tsig.HMACTSig`` or ``dns.tsig.GSSTSig`` object, the + ongoing TSIG context, used when validating zone transfers. + + *multi*, a ``bool``, should be set to ``True`` if this message is + part of a multiple message sequence. + + *question_only*, a ``bool``. If ``True``, read only up to + the end of the question section. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its + own RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if + the TC bit is set. + + Raises ``dns.message.ShortHeader`` if the message is less than 12 octets + long. + + Raises ``dns.message.TrailingJunk`` if there were octets in the message + past the end of the proper DNS message, and *ignore_trailing* is ``False``. + + Raises ``dns.message.BadEDNS`` if an OPT record was in the + wrong section, or occurred more than once. + + Raises ``dns.message.BadTSIG`` if a TSIG record was not the last + record of the additional data section. + + Raises ``dns.message.Truncated`` if the TC flag is set and + *raise_on_truncation* is ``True``. + + Returns a ``dns.message.Message``. + """ + + def initialize_message(message): + message.request_mac = request_mac + message.xfr = xfr + message.origin = origin + message.tsig_ctx = tsig_ctx + + reader = _WireReader(wire, initialize_message, question_only, + one_rr_per_rrset, ignore_trailing, keyring, multi) + try: + m = reader.read() + except dns.exception.FormError: + if reader.message and (reader.message.flags & dns.flags.TC) and \ + raise_on_truncation: + raise Truncated(message=reader.message) + else: + raise + # Reading a truncated message might not have any errors, so we + # have to do this check here too. + if m.flags & dns.flags.TC and raise_on_truncation: + raise Truncated(message=m) + + return m + + +class _TextReader: + + """Text format reader. + + tok: the tokenizer. + message: The message object being built. + DNS dynamic updates. + last_name: The most recently read name when building a message object. + one_rr_per_rrset: Put each RR into its own RRset? + origin: The origin for relative names + relativize: relativize names? + relativize_to: the origin to relativize to. + """ + + def __init__(self, text, idna_codec, one_rr_per_rrset=False, + origin=None, relativize=True, relativize_to=None): + self.message = None + self.tok = dns.tokenizer.Tokenizer(text, idna_codec=idna_codec) + self.last_name = None + self.one_rr_per_rrset = one_rr_per_rrset + self.origin = origin + self.relativize = relativize + self.relativize_to = relativize_to + self.id = None + self.edns = -1 + self.ednsflags = 0 + self.payload = DEFAULT_EDNS_PAYLOAD + self.rcode = None + self.opcode = dns.opcode.QUERY + self.flags = 0 + + def _header_line(self, _): + """Process one line from the text format header section.""" + + token = self.tok.get() + what = token.value + if what == 'id': + self.id = self.tok.get_int() + elif what == 'flags': + while True: + token = self.tok.get() + if not token.is_identifier(): + self.tok.unget(token) + break + self.flags = self.flags | dns.flags.from_text(token.value) + elif what == 'edns': + self.edns = self.tok.get_int() + self.ednsflags = self.ednsflags | (self.edns << 16) + elif what == 'eflags': + if self.edns < 0: + self.edns = 0 + while True: + token = self.tok.get() + if not token.is_identifier(): + self.tok.unget(token) + break + self.ednsflags = self.ednsflags | \ + dns.flags.edns_from_text(token.value) + elif what == 'payload': + self.payload = self.tok.get_int() + if self.edns < 0: + self.edns = 0 + elif what == 'opcode': + text = self.tok.get_string() + self.opcode = dns.opcode.from_text(text) + self.flags = self.flags | dns.opcode.to_flags(self.opcode) + elif what == 'rcode': + text = self.tok.get_string() + self.rcode = dns.rcode.from_text(text) + else: + raise UnknownHeaderField + self.tok.get_eol() + + def _question_line(self, section_number): + """Process one line from the text format question section.""" + + section = self.message.sections[section_number] + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name(token, self.message.origin, + self.relativize, + self.relativize_to) + name = self.last_name + if name is None: + raise NoPreviousName + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = dns.rdataclass.IN + # Type + rdtype = dns.rdatatype.from_text(token.value) + (rdclass, rdtype, _, _) = \ + self.message._parse_rr_header(section_number, name, rdclass, rdtype) + self.message.find_rrset(section, name, rdclass, rdtype, create=True, + force_unique=True) + self.tok.get_eol() + + def _rr_line(self, section_number): + """Process one line from the text format answer, authority, or + additional data sections. + """ + + section = self.message.sections[section_number] + # Name + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name(token, self.message.origin, + self.relativize, + self.relativize_to) + name = self.last_name + if name is None: + raise NoPreviousName + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + # TTL + try: + ttl = int(token.value, 0) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + ttl = 0 + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = dns.rdataclass.IN + # Type + rdtype = dns.rdatatype.from_text(token.value) + (rdclass, rdtype, deleting, empty) = \ + self.message._parse_rr_header(section_number, name, rdclass, rdtype) + token = self.tok.get() + if empty and not token.is_eol_or_eof(): + raise dns.exception.SyntaxError + if not empty and token.is_eol_or_eof(): + raise dns.exception.UnexpectedEnd + if not token.is_eol_or_eof(): + self.tok.unget(token) + rd = dns.rdata.from_text(rdclass, rdtype, self.tok, + self.message.origin, self.relativize, + self.relativize_to) + covers = rd.covers() + else: + rd = None + covers = dns.rdatatype.NONE + rrset = self.message.find_rrset(section, name, + rdclass, rdtype, covers, + deleting, True, self.one_rr_per_rrset) + if rd is not None: + rrset.add(rd, ttl) + + def _make_message(self): + factory = _message_factory_from_opcode(self.opcode) + message = factory(id=self.id) + message.flags = self.flags + if self.edns >= 0: + message.use_edns(self.edns, self.ednsflags, self.payload) + if self.rcode: + message.set_rcode(self.rcode) + if self.origin: + message.origin = self.origin + return message + + def read(self): + """Read a text format DNS message and build a dns.message.Message + object.""" + + line_method = self._header_line + section_number = None + while 1: + token = self.tok.get(True, True) + if token.is_eol_or_eof(): + break + if token.is_comment(): + u = token.value.upper() + if u == 'HEADER': + line_method = self._header_line + + if self.message: + message = self.message + else: + # If we don't have a message, create one with the current + # opcode, so that we know which section names to parse. + message = self._make_message() + try: + section_number = message._section_enum.from_text(u) + # We found a section name. If we don't have a message, + # use the one we just created. + if not self.message: + self.message = message + self.one_rr_per_rrset = \ + message._get_one_rr_per_rrset(self.one_rr_per_rrset) + if section_number == MessageSection.QUESTION: + line_method = self._question_line + else: + line_method = self._rr_line + except Exception: + # It's just a comment. + pass + self.tok.get_eol() + continue + self.tok.unget(token) + line_method(section_number) + if not self.message: + self.message = self._make_message() + return self.message + + +def from_text(text, idna_codec=None, one_rr_per_rrset=False, + origin=None, relativize=True, relativize_to=None): + """Convert the text format message into a message object. + + The reader stops after reading the first blank line in the input to + facilitate reading multiple messages from a single file with + ``dns.message.from_file()``. + + *text*, a ``str``, the text format message. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *one_rr_per_rrset*, a ``bool``. If ``True``, then each RR is put + into its own rrset. The default is ``False``. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Raises ``dns.message.UnknownHeaderField`` if a header is unknown. + + Raises ``dns.exception.SyntaxError`` if the text is badly formed. + + Returns a ``dns.message.Message object`` + """ + + # 'text' can also be a file, but we don't publish that fact + # since it's an implementation detail. The official file + # interface is from_file(). + + reader = _TextReader(text, idna_codec, one_rr_per_rrset, origin, + relativize, relativize_to) + return reader.read() + + +def from_file(f, idna_codec=None, one_rr_per_rrset=False): + """Read the next text format message from the specified file. + + Message blocks are separated by a single blank line. + + *f*, a ``file`` or ``str``. If *f* is text, it is treated as the + pathname of a file to open. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + *one_rr_per_rrset*, a ``bool``. If ``True``, then each RR is put + into its own rrset. The default is ``False``. + + Raises ``dns.message.UnknownHeaderField`` if a header is unknown. + + Raises ``dns.exception.SyntaxError`` if the text is badly formed. + + Returns a ``dns.message.Message object`` + """ + + with contextlib.ExitStack() as stack: + if isinstance(f, str): + f = stack.enter_context(open(f)) + return from_text(f, idna_codec, one_rr_per_rrset) + + +def make_query(qname, rdtype, rdclass=dns.rdataclass.IN, use_edns=None, + want_dnssec=False, ednsflags=None, payload=None, + request_payload=None, options=None, idna_codec=None): + """Make a query message. + + The query name, type, and class may all be specified either + as objects of the appropriate type, or as strings. + + The query will have a randomly chosen query id, and its DNS flags + will be set to dns.flags.RD. + + qname, a ``dns.name.Name`` or ``str``, the query name. + + *rdtype*, an ``int`` or ``str``, the desired rdata type. + + *rdclass*, an ``int`` or ``str``, the desired rdata class; the default + is class IN. + + *use_edns*, an ``int``, ``bool`` or ``None``. The EDNS level to use; the + default is None (no EDNS). + See the description of dns.message.Message.use_edns() for the possible + values for use_edns and their meanings. + + *want_dnssec*, a ``bool``. If ``True``, DNSSEC data is desired. + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the + maximum size of UDP datagram the sender can handle. I.e. how big + a response to this message can be. + + *request_payload*, an ``int``, is the EDNS payload size to use when + sending this message. If not specified, defaults to the value of + *payload*. + + *options*, a list of ``dns.edns.Option`` objects or ``None``, the EDNS + options. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.message.QueryMessage`` + """ + + if isinstance(qname, str): + qname = dns.name.from_text(qname, idna_codec=idna_codec) + rdtype = dns.rdatatype.RdataType.make(rdtype) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + m = QueryMessage() + m.flags |= dns.flags.RD + m.find_rrset(m.question, qname, rdclass, rdtype, create=True, + force_unique=True) + # only pass keywords on to use_edns if they have been set to a + # non-None value. Setting a field will turn EDNS on if it hasn't + # been configured. + kwargs = {} + if ednsflags is not None: + kwargs['ednsflags'] = ednsflags + if payload is not None: + kwargs['payload'] = payload + if request_payload is not None: + kwargs['request_payload'] = request_payload + if options is not None: + kwargs['options'] = options + if kwargs and use_edns is None: + use_edns = 0 + kwargs['edns'] = use_edns + m.use_edns(**kwargs) + m.want_dnssec(want_dnssec) + return m + + +def make_response(query, recursion_available=False, our_payload=8192, + fudge=300, tsig_error=0): + """Make a message which is a response for the specified query. + The message returned is really a response skeleton; it has all + of the infrastructure required of a response, but none of the + content. + + The response's question section is a shallow copy of the query's + question section, so the query's question RRsets should not be + changed. + + *query*, a ``dns.message.Message``, the query to respond to. + + *recursion_available*, a ``bool``, should RA be set in the response? + + *our_payload*, an ``int``, the payload size to advertise in EDNS + responses. + + *fudge*, an ``int``, the TSIG time fudge. + + *tsig_error*, an ``int``, the TSIG error. + + Returns a ``dns.message.Message`` object whose specific class is + appropriate for the query. For example, if query is a + ``dns.update.UpdateMessage``, response will be too. + """ + + if query.flags & dns.flags.QR: + raise dns.exception.FormError('specified query message is not a query') + factory = _message_factory_from_opcode(query.opcode()) + response = factory(id=query.id) + response.flags = dns.flags.QR | (query.flags & dns.flags.RD) + if recursion_available: + response.flags |= dns.flags.RA + response.set_opcode(query.opcode()) + response.question = list(query.question) + if query.edns >= 0: + response.use_edns(0, 0, our_payload, query.payload) + if query.had_tsig: + response.use_tsig(query.keyring, query.keyname, fudge, None, + tsig_error, b'', query.keyalgorithm) + response.request_mac = query.mac + return response + +### BEGIN generated MessageSection constants + +QUESTION = MessageSection.QUESTION +ANSWER = MessageSection.ANSWER +AUTHORITY = MessageSection.AUTHORITY +ADDITIONAL = MessageSection.ADDITIONAL + +### END generated MessageSection constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/name.py b/backend/mb-env/lib/python3.9/site-packages/dns/name.py new file mode 100644 index 0000000..8905d70 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/name.py @@ -0,0 +1,1018 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Names. +""" + +import copy +import struct + +import encodings.idna # type: ignore +try: + import idna # type: ignore + have_idna_2008 = True +except ImportError: # pragma: no cover + have_idna_2008 = False + +import dns.wire +import dns.exception +import dns.immutable + +# fullcompare() result values + +#: The compared names have no relationship to each other. +NAMERELN_NONE = 0 +#: the first name is a superdomain of the second. +NAMERELN_SUPERDOMAIN = 1 +#: The first name is a subdomain of the second. +NAMERELN_SUBDOMAIN = 2 +#: The compared names are equal. +NAMERELN_EQUAL = 3 +#: The compared names have a common ancestor. +NAMERELN_COMMONANCESTOR = 4 + + +class EmptyLabel(dns.exception.SyntaxError): + """A DNS label is empty.""" + + +class BadEscape(dns.exception.SyntaxError): + """An escaped code in a text format of DNS name is invalid.""" + + +class BadPointer(dns.exception.FormError): + """A DNS compression pointer points forward instead of backward.""" + + +class BadLabelType(dns.exception.FormError): + """The label type in DNS name wire format is unknown.""" + + +class NeedAbsoluteNameOrOrigin(dns.exception.DNSException): + """An attempt was made to convert a non-absolute name to + wire when there was also a non-absolute (or missing) origin.""" + + +class NameTooLong(dns.exception.FormError): + """A DNS name is > 255 octets long.""" + + +class LabelTooLong(dns.exception.SyntaxError): + """A DNS label is > 63 octets long.""" + + +class AbsoluteConcatenation(dns.exception.DNSException): + """An attempt was made to append anything other than the + empty name to an absolute DNS name.""" + + +class NoParent(dns.exception.DNSException): + """An attempt was made to get the parent of the root name + or the empty name.""" + +class NoIDNA2008(dns.exception.DNSException): + """IDNA 2008 processing was requested but the idna module is not + available.""" + + +class IDNAException(dns.exception.DNSException): + """IDNA processing raised an exception.""" + + supp_kwargs = {'idna_exception'} + fmt = "IDNA processing exception: {idna_exception}" + + +class IDNACodec: + """Abstract base class for IDNA encoder/decoders.""" + + def __init__(self): + pass + + def is_idna(self, label): + return label.lower().startswith(b'xn--') + + def encode(self, label): + raise NotImplementedError # pragma: no cover + + def decode(self, label): + # We do not apply any IDNA policy on decode. + if self.is_idna(label): + try: + label = label[4:].decode('punycode') + except Exception as e: + raise IDNAException(idna_exception=e) + return _escapify(label) + + +class IDNA2003Codec(IDNACodec): + """IDNA 2003 encoder/decoder.""" + + def __init__(self, strict_decode=False): + """Initialize the IDNA 2003 encoder/decoder. + + *strict_decode* is a ``bool``. If `True`, then IDNA2003 checking + is done when decoding. This can cause failures if the name + was encoded with IDNA2008. The default is `False`. + """ + + super().__init__() + self.strict_decode = strict_decode + + def encode(self, label): + """Encode *label*.""" + + if label == '': + return b'' + try: + return encodings.idna.ToASCII(label) + except UnicodeError: + raise LabelTooLong + + def decode(self, label): + """Decode *label*.""" + if not self.strict_decode: + return super().decode(label) + if label == b'': + return '' + try: + return _escapify(encodings.idna.ToUnicode(label)) + except Exception as e: + raise IDNAException(idna_exception=e) + + +class IDNA2008Codec(IDNACodec): + """IDNA 2008 encoder/decoder. + """ + + def __init__(self, uts_46=False, transitional=False, + allow_pure_ascii=False, strict_decode=False): + """Initialize the IDNA 2008 encoder/decoder. + + *uts_46* is a ``bool``. If True, apply Unicode IDNA + compatibility processing as described in Unicode Technical + Standard #46 (http://unicode.org/reports/tr46/). + If False, do not apply the mapping. The default is False. + + *transitional* is a ``bool``: If True, use the + "transitional" mode described in Unicode Technical Standard + #46. The default is False. + + *allow_pure_ascii* is a ``bool``. If True, then a label which + consists of only ASCII characters is allowed. This is less + strict than regular IDNA 2008, but is also necessary for mixed + names, e.g. a name with starting with "_sip._tcp." and ending + in an IDN suffix which would otherwise be disallowed. The + default is False. + + *strict_decode* is a ``bool``: If True, then IDNA2008 checking + is done when decoding. This can cause failures if the name + was encoded with IDNA2003. The default is False. + """ + super().__init__() + self.uts_46 = uts_46 + self.transitional = transitional + self.allow_pure_ascii = allow_pure_ascii + self.strict_decode = strict_decode + + def encode(self, label): + if label == '': + return b'' + if self.allow_pure_ascii and is_all_ascii(label): + encoded = label.encode('ascii') + if len(encoded) > 63: + raise LabelTooLong + return encoded + if not have_idna_2008: + raise NoIDNA2008 + try: + if self.uts_46: + label = idna.uts46_remap(label, False, self.transitional) + return idna.alabel(label) + except idna.IDNAError as e: + if e.args[0] == 'Label too long': + raise LabelTooLong + else: + raise IDNAException(idna_exception=e) + + def decode(self, label): + if not self.strict_decode: + return super().decode(label) + if label == b'': + return '' + if not have_idna_2008: + raise NoIDNA2008 + try: + ulabel = idna.ulabel(label) + if self.uts_46: + ulabel = idna.uts46_remap(ulabel, False, self.transitional) + return _escapify(ulabel) + except (idna.IDNAError, UnicodeError) as e: + raise IDNAException(idna_exception=e) + +_escaped = b'"().;\\@$' +_escaped_text = '"().;\\@$' + +IDNA_2003_Practical = IDNA2003Codec(False) +IDNA_2003_Strict = IDNA2003Codec(True) +IDNA_2003 = IDNA_2003_Practical +IDNA_2008_Practical = IDNA2008Codec(True, False, True, False) +IDNA_2008_UTS_46 = IDNA2008Codec(True, False, False, False) +IDNA_2008_Strict = IDNA2008Codec(False, False, False, True) +IDNA_2008_Transitional = IDNA2008Codec(True, True, False, False) +IDNA_2008 = IDNA_2008_Practical + +def _escapify(label): + """Escape the characters in label which need it. + @returns: the escaped string + @rtype: string""" + if isinstance(label, bytes): + # Ordinary DNS label mode. Escape special characters and values + # < 0x20 or > 0x7f. + text = '' + for c in label: + if c in _escaped: + text += '\\' + chr(c) + elif c > 0x20 and c < 0x7F: + text += chr(c) + else: + text += '\\%03d' % c + return text + + # Unicode label mode. Escape only special characters and values < 0x20 + text = '' + for c in label: + if c in _escaped_text: + text += '\\' + c + elif c <= '\x20': + text += '\\%03d' % ord(c) + else: + text += c + return text + +def _validate_labels(labels): + """Check for empty labels in the middle of a label sequence, + labels that are too long, and for too many labels. + + Raises ``dns.name.NameTooLong`` if the name as a whole is too long. + + Raises ``dns.name.EmptyLabel`` if a label is empty (i.e. the root + label) and appears in a position other than the end of the label + sequence + + """ + + l = len(labels) + total = 0 + i = -1 + j = 0 + for label in labels: + ll = len(label) + total += ll + 1 + if ll > 63: + raise LabelTooLong + if i < 0 and label == b'': + i = j + j += 1 + if total > 255: + raise NameTooLong + if i >= 0 and i != l - 1: + raise EmptyLabel + + +def _maybe_convert_to_binary(label): + """If label is ``str``, convert it to ``bytes``. If it is already + ``bytes`` just return it. + + """ + + if isinstance(label, bytes): + return label + if isinstance(label, str): + return label.encode() + raise ValueError # pragma: no cover + + +@dns.immutable.immutable +class Name: + + """A DNS name. + + The dns.name.Name class represents a DNS name as a tuple of + labels. Each label is a ``bytes`` in DNS wire format. Instances + of the class are immutable. + """ + + __slots__ = ['labels'] + + def __init__(self, labels): + """*labels* is any iterable whose values are ``str`` or ``bytes``. + """ + + labels = [_maybe_convert_to_binary(x) for x in labels] + self.labels = tuple(labels) + _validate_labels(self.labels) + + def __copy__(self): + return Name(self.labels) + + def __deepcopy__(self, memo): + return Name(copy.deepcopy(self.labels, memo)) + + def __getstate__(self): + # Names can be pickled + return {'labels': self.labels} + + def __setstate__(self, state): + super().__setattr__('labels', state['labels']) + _validate_labels(self.labels) + + def is_absolute(self): + """Is the most significant label of this name the root label? + + Returns a ``bool``. + """ + + return len(self.labels) > 0 and self.labels[-1] == b'' + + def is_wild(self): + """Is this name wild? (I.e. Is the least significant label '*'?) + + Returns a ``bool``. + """ + + return len(self.labels) > 0 and self.labels[0] == b'*' + + def __hash__(self): + """Return a case-insensitive hash of the name. + + Returns an ``int``. + """ + + h = 0 + for label in self.labels: + for c in label.lower(): + h += (h << 3) + c + return h + + def fullcompare(self, other): + """Compare two names, returning a 3-tuple + ``(relation, order, nlabels)``. + + *relation* describes the relation ship between the names, + and is one of: ``dns.name.NAMERELN_NONE``, + ``dns.name.NAMERELN_SUPERDOMAIN``, ``dns.name.NAMERELN_SUBDOMAIN``, + ``dns.name.NAMERELN_EQUAL``, or ``dns.name.NAMERELN_COMMONANCESTOR``. + + *order* is < 0 if *self* < *other*, > 0 if *self* > *other*, and == + 0 if *self* == *other*. A relative name is always less than an + absolute name. If both names have the same relativity, then + the DNSSEC order relation is used to order them. + + *nlabels* is the number of significant labels that the two names + have in common. + + Here are some examples. Names ending in "." are absolute names, + those not ending in "." are relative names. + + ============= ============= =========== ===== ======= + self other relation order nlabels + ============= ============= =========== ===== ======= + www.example. www.example. equal 0 3 + www.example. example. subdomain > 0 2 + example. www.example. superdomain < 0 2 + example1.com. example2.com. common anc. < 0 2 + example1 example2. none < 0 0 + example1. example2 none > 0 0 + ============= ============= =========== ===== ======= + """ + + sabs = self.is_absolute() + oabs = other.is_absolute() + if sabs != oabs: + if sabs: + return (NAMERELN_NONE, 1, 0) + else: + return (NAMERELN_NONE, -1, 0) + l1 = len(self.labels) + l2 = len(other.labels) + ldiff = l1 - l2 + if ldiff < 0: + l = l1 + else: + l = l2 + + order = 0 + nlabels = 0 + namereln = NAMERELN_NONE + while l > 0: + l -= 1 + l1 -= 1 + l2 -= 1 + label1 = self.labels[l1].lower() + label2 = other.labels[l2].lower() + if label1 < label2: + order = -1 + if nlabels > 0: + namereln = NAMERELN_COMMONANCESTOR + return (namereln, order, nlabels) + elif label1 > label2: + order = 1 + if nlabels > 0: + namereln = NAMERELN_COMMONANCESTOR + return (namereln, order, nlabels) + nlabels += 1 + order = ldiff + if ldiff < 0: + namereln = NAMERELN_SUPERDOMAIN + elif ldiff > 0: + namereln = NAMERELN_SUBDOMAIN + else: + namereln = NAMERELN_EQUAL + return (namereln, order, nlabels) + + def is_subdomain(self, other): + """Is self a subdomain of other? + + Note that the notion of subdomain includes equality, e.g. + "dnpython.org" is a subdomain of itself. + + Returns a ``bool``. + """ + + (nr, _, _) = self.fullcompare(other) + if nr == NAMERELN_SUBDOMAIN or nr == NAMERELN_EQUAL: + return True + return False + + def is_superdomain(self, other): + """Is self a superdomain of other? + + Note that the notion of superdomain includes equality, e.g. + "dnpython.org" is a superdomain of itself. + + Returns a ``bool``. + """ + + (nr, _, _) = self.fullcompare(other) + if nr == NAMERELN_SUPERDOMAIN or nr == NAMERELN_EQUAL: + return True + return False + + def canonicalize(self): + """Return a name which is equal to the current name, but is in + DNSSEC canonical form. + """ + + return Name([x.lower() for x in self.labels]) + + def __eq__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] == 0 + else: + return False + + def __ne__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] != 0 + else: + return True + + def __lt__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] < 0 + else: + return NotImplemented + + def __le__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] <= 0 + else: + return NotImplemented + + def __ge__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] >= 0 + else: + return NotImplemented + + def __gt__(self, other): + if isinstance(other, Name): + return self.fullcompare(other)[1] > 0 + else: + return NotImplemented + + def __repr__(self): + return '' + + def __str__(self): + return self.to_text(False) + + def to_text(self, omit_final_dot=False): + """Convert name to DNS text format. + + *omit_final_dot* is a ``bool``. If True, don't emit the final + dot (denoting the root label) for absolute names. The default + is False. + + Returns a ``str``. + """ + + if len(self.labels) == 0: + return '@' + if len(self.labels) == 1 and self.labels[0] == b'': + return '.' + if omit_final_dot and self.is_absolute(): + l = self.labels[:-1] + else: + l = self.labels + s = '.'.join(map(_escapify, l)) + return s + + def to_unicode(self, omit_final_dot=False, idna_codec=None): + """Convert name to Unicode text format. + + IDN ACE labels are converted to Unicode. + + *omit_final_dot* is a ``bool``. If True, don't emit the final + dot (denoting the root label) for absolute names. The default + is False. + *idna_codec* specifies the IDNA encoder/decoder. If None, the + dns.name.IDNA_2003_Practical encoder/decoder is used. + The IDNA_2003_Practical decoder does + not impose any policy, it just decodes punycode, so if you + don't want checking for compliance, you can use this decoder + for IDNA2008 as well. + + Returns a ``str``. + """ + + if len(self.labels) == 0: + return '@' + if len(self.labels) == 1 and self.labels[0] == b'': + return '.' + if omit_final_dot and self.is_absolute(): + l = self.labels[:-1] + else: + l = self.labels + if idna_codec is None: + idna_codec = IDNA_2003_Practical + return '.'.join([idna_codec.decode(x) for x in l]) + + def to_digestable(self, origin=None): + """Convert name to a format suitable for digesting in hashes. + + The name is canonicalized and converted to uncompressed wire + format. All names in wire format are absolute. If the name + is a relative name, then an origin must be supplied. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then origin will be appended + to the name. + + Raises ``dns.name.NeedAbsoluteNameOrOrigin`` if the name is + relative and no origin was provided. + + Returns a ``bytes``. + """ + + return self.to_wire(origin=origin, canonicalize=True) + + def to_wire(self, file=None, compress=None, origin=None, + canonicalize=False): + """Convert name to wire format, possibly compressing it. + + *file* is the file where the name is emitted (typically an + io.BytesIO file). If ``None`` (the default), a ``bytes`` + containing the wire name will be returned. + + *compress*, a ``dict``, is the compression table to use. If + ``None`` (the default), names will not be compressed. Note that + the compression code assumes that compression offset 0 is the + start of *file*, and thus compression will not be correct + if this is not the case. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then *origin* will be appended + to it. + + *canonicalize*, a ``bool``, indicates whether the name should + be canonicalized; that is, converted to a format suitable for + digesting in hashes. + + Raises ``dns.name.NeedAbsoluteNameOrOrigin`` if the name is + relative and no origin was provided. + + Returns a ``bytes`` or ``None``. + """ + + if file is None: + out = bytearray() + for label in self.labels: + out.append(len(label)) + if canonicalize: + out += label.lower() + else: + out += label + if not self.is_absolute(): + if origin is None or not origin.is_absolute(): + raise NeedAbsoluteNameOrOrigin + for label in origin.labels: + out.append(len(label)) + if canonicalize: + out += label.lower() + else: + out += label + return bytes(out) + + if not self.is_absolute(): + if origin is None or not origin.is_absolute(): + raise NeedAbsoluteNameOrOrigin + labels = list(self.labels) + labels.extend(list(origin.labels)) + else: + labels = self.labels + i = 0 + for label in labels: + n = Name(labels[i:]) + i += 1 + if compress is not None: + pos = compress.get(n) + else: + pos = None + if pos is not None: + value = 0xc000 + pos + s = struct.pack('!H', value) + file.write(s) + break + else: + if compress is not None and len(n) > 1: + pos = file.tell() + if pos <= 0x3fff: + compress[n] = pos + l = len(label) + file.write(struct.pack('!B', l)) + if l > 0: + if canonicalize: + file.write(label.lower()) + else: + file.write(label) + + def __len__(self): + """The length of the name (in labels). + + Returns an ``int``. + """ + + return len(self.labels) + + def __getitem__(self, index): + return self.labels[index] + + def __add__(self, other): + return self.concatenate(other) + + def __sub__(self, other): + return self.relativize(other) + + def split(self, depth): + """Split a name into a prefix and suffix names at the specified depth. + + *depth* is an ``int`` specifying the number of labels in the suffix + + Raises ``ValueError`` if *depth* was not >= 0 and <= the length of the + name. + + Returns the tuple ``(prefix, suffix)``. + """ + + l = len(self.labels) + if depth == 0: + return (self, dns.name.empty) + elif depth == l: + return (dns.name.empty, self) + elif depth < 0 or depth > l: + raise ValueError( + 'depth must be >= 0 and <= the length of the name') + return (Name(self[: -depth]), Name(self[-depth:])) + + def concatenate(self, other): + """Return a new name which is the concatenation of self and other. + + Raises ``dns.name.AbsoluteConcatenation`` if the name is + absolute and *other* is not the empty name. + + Returns a ``dns.name.Name``. + """ + + if self.is_absolute() and len(other) > 0: + raise AbsoluteConcatenation + labels = list(self.labels) + labels.extend(list(other.labels)) + return Name(labels) + + def relativize(self, origin): + """If the name is a subdomain of *origin*, return a new name which is + the name relative to origin. Otherwise return the name. + + For example, relativizing ``www.dnspython.org.`` to origin + ``dnspython.org.`` returns the name ``www``. Relativizing ``example.`` + to origin ``dnspython.org.`` returns ``example.``. + + Returns a ``dns.name.Name``. + """ + + if origin is not None and self.is_subdomain(origin): + return Name(self[: -len(origin)]) + else: + return self + + def derelativize(self, origin): + """If the name is a relative name, return a new name which is the + concatenation of the name and origin. Otherwise return the name. + + For example, derelativizing ``www`` to origin ``dnspython.org.`` + returns the name ``www.dnspython.org.``. Derelativizing ``example.`` + to origin ``dnspython.org.`` returns ``example.``. + + Returns a ``dns.name.Name``. + """ + + if not self.is_absolute(): + return self.concatenate(origin) + else: + return self + + def choose_relativity(self, origin=None, relativize=True): + """Return a name with the relativity desired by the caller. + + If *origin* is ``None``, then the name is returned. + Otherwise, if *relativize* is ``True`` the name is + relativized, and if *relativize* is ``False`` the name is + derelativized. + + Returns a ``dns.name.Name``. + """ + + if origin: + if relativize: + return self.relativize(origin) + else: + return self.derelativize(origin) + else: + return self + + def parent(self): + """Return the parent of the name. + + For example, the parent of ``www.dnspython.org.`` is ``dnspython.org``. + + Raises ``dns.name.NoParent`` if the name is either the root name or the + empty name, and thus has no parent. + + Returns a ``dns.name.Name``. + """ + + if self == root or self == empty: + raise NoParent + return Name(self.labels[1:]) + +#: The root name, '.' +root = Name([b'']) + +#: The empty name. +empty = Name([]) + +def from_unicode(text, origin=root, idna_codec=None): + """Convert unicode text into a Name object. + + Labels are encoded in IDN ACE form according to rules specified by + the IDNA codec. + + *text*, a ``str``, is the text to convert into a name. + + *origin*, a ``dns.name.Name``, specifies the origin to + append to non-absolute names. The default is the root name. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.name.Name``. + """ + + if not isinstance(text, str): + raise ValueError("input to from_unicode() must be a unicode string") + if not (origin is None or isinstance(origin, Name)): + raise ValueError("origin must be a Name or None") + labels = [] + label = '' + escaping = False + edigits = 0 + total = 0 + if idna_codec is None: + idna_codec = IDNA_2003 + if text == '@': + text = '' + if text: + if text in ['.', '\u3002', '\uff0e', '\uff61']: + return Name([b'']) # no Unicode "u" on this constant! + for c in text: + if escaping: + if edigits == 0: + if c.isdigit(): + total = int(c) + edigits += 1 + else: + label += c + escaping = False + else: + if not c.isdigit(): + raise BadEscape + total *= 10 + total += int(c) + edigits += 1 + if edigits == 3: + escaping = False + label += chr(total) + elif c in ['.', '\u3002', '\uff0e', '\uff61']: + if len(label) == 0: + raise EmptyLabel + labels.append(idna_codec.encode(label)) + label = '' + elif c == '\\': + escaping = True + edigits = 0 + total = 0 + else: + label += c + if escaping: + raise BadEscape + if len(label) > 0: + labels.append(idna_codec.encode(label)) + else: + labels.append(b'') + + if (len(labels) == 0 or labels[-1] != b'') and origin is not None: + labels.extend(list(origin.labels)) + return Name(labels) + +def is_all_ascii(text): + for c in text: + if ord(c) > 0x7f: + return False + return True + +def from_text(text, origin=root, idna_codec=None): + """Convert text into a Name object. + + *text*, a ``str``, is the text to convert into a name. + + *origin*, a ``dns.name.Name``, specifies the origin to + append to non-absolute names. The default is the root name. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Returns a ``dns.name.Name``. + """ + + if isinstance(text, str): + if not is_all_ascii(text): + # Some codepoint in the input text is > 127, so IDNA applies. + return from_unicode(text, origin, idna_codec) + # The input is all ASCII, so treat this like an ordinary non-IDNA + # domain name. Note that "all ASCII" is about the input text, + # not the codepoints in the domain name. E.g. if text has value + # + # r'\150\151\152\153\154\155\156\157\158\159' + # + # then it's still "all ASCII" even though the domain name has + # codepoints > 127. + text = text.encode('ascii') + if not isinstance(text, bytes): + raise ValueError("input to from_text() must be a string") + if not (origin is None or isinstance(origin, Name)): + raise ValueError("origin must be a Name or None") + labels = [] + label = b'' + escaping = False + edigits = 0 + total = 0 + if text == b'@': + text = b'' + if text: + if text == b'.': + return Name([b'']) + for c in text: + byte_ = struct.pack('!B', c) + if escaping: + if edigits == 0: + if byte_.isdigit(): + total = int(byte_) + edigits += 1 + else: + label += byte_ + escaping = False + else: + if not byte_.isdigit(): + raise BadEscape + total *= 10 + total += int(byte_) + edigits += 1 + if edigits == 3: + escaping = False + label += struct.pack('!B', total) + elif byte_ == b'.': + if len(label) == 0: + raise EmptyLabel + labels.append(label) + label = b'' + elif byte_ == b'\\': + escaping = True + edigits = 0 + total = 0 + else: + label += byte_ + if escaping: + raise BadEscape + if len(label) > 0: + labels.append(label) + else: + labels.append(b'') + if (len(labels) == 0 or labels[-1] != b'') and origin is not None: + labels.extend(list(origin.labels)) + return Name(labels) + + +def from_wire_parser(parser): + """Convert possibly compressed wire format into a Name. + + *parser* is a dns.wire.Parser. + + Raises ``dns.name.BadPointer`` if a compression pointer did not + point backwards in the message. + + Raises ``dns.name.BadLabelType`` if an invalid label type was encountered. + + Returns a ``dns.name.Name`` + """ + + labels = [] + biggest_pointer = parser.current + with parser.restore_furthest(): + count = parser.get_uint8() + while count != 0: + if count < 64: + labels.append(parser.get_bytes(count)) + elif count >= 192: + current = (count & 0x3f) * 256 + parser.get_uint8() + if current >= biggest_pointer: + raise BadPointer + biggest_pointer = current + parser.seek(current) + else: + raise BadLabelType + count = parser.get_uint8() + labels.append(b'') + return Name(labels) + + +def from_wire(message, current): + """Convert possibly compressed wire format into a Name. + + *message* is a ``bytes`` containing an entire DNS message in DNS + wire form. + + *current*, an ``int``, is the offset of the beginning of the name + from the start of the message + + Raises ``dns.name.BadPointer`` if a compression pointer did not + point backwards in the message. + + Raises ``dns.name.BadLabelType`` if an invalid label type was encountered. + + Returns a ``(dns.name.Name, int)`` tuple consisting of the name + that was read and the number of bytes of the wire format message + which were consumed reading it. + """ + + if not isinstance(message, bytes): + raise ValueError("input to from_wire() must be a byte string") + parser = dns.wire.Parser(message, current) + name = from_wire_parser(parser) + return (name, parser.current - current) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/namedict.py b/backend/mb-env/lib/python3.9/site-packages/dns/namedict.py new file mode 100644 index 0000000..4c8f9ab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/namedict.py @@ -0,0 +1,108 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# Copyright (C) 2016 Coresec Systems AB +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND CORESEC SYSTEMS AB DISCLAIMS ALL +# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL CORESEC +# SYSTEMS AB BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR +# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS +# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, +# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION +# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS name dictionary""" + +from collections.abc import MutableMapping + +import dns.name + + +class NameDict(MutableMapping): + """A dictionary whose keys are dns.name.Name objects. + + In addition to being like a regular Python dictionary, this + dictionary can also get the deepest match for a given key. + """ + + __slots__ = ["max_depth", "max_depth_items", "__store"] + + def __init__(self, *args, **kwargs): + super().__init__() + self.__store = dict() + #: the maximum depth of the keys that have ever been added + self.max_depth = 0 + #: the number of items of maximum depth + self.max_depth_items = 0 + self.update(dict(*args, **kwargs)) + + def __update_max_depth(self, key): + if len(key) == self.max_depth: + self.max_depth_items = self.max_depth_items + 1 + elif len(key) > self.max_depth: + self.max_depth = len(key) + self.max_depth_items = 1 + + def __getitem__(self, key): + return self.__store[key] + + def __setitem__(self, key, value): + if not isinstance(key, dns.name.Name): + raise ValueError('NameDict key must be a name') + self.__store[key] = value + self.__update_max_depth(key) + + def __delitem__(self, key): + self.__store.pop(key) + if len(key) == self.max_depth: + self.max_depth_items = self.max_depth_items - 1 + if self.max_depth_items == 0: + self.max_depth = 0 + for k in self.__store: + self.__update_max_depth(k) + + def __iter__(self): + return iter(self.__store) + + def __len__(self): + return len(self.__store) + + def has_key(self, key): + return key in self.__store + + def get_deepest_match(self, name): + """Find the deepest match to *fname* in the dictionary. + + The deepest match is the longest name in the dictionary which is + a superdomain of *name*. Note that *superdomain* includes matching + *name* itself. + + *name*, a ``dns.name.Name``, the name to find. + + Returns a ``(key, value)`` where *key* is the deepest + ``dns.name.Name``, and *value* is the value associated with *key*. + """ + + depth = len(name) + if depth > self.max_depth: + depth = self.max_depth + for i in range(-depth, 0): + n = dns.name.Name(name[i:]) + if n in self: + return (n, self[n]) + v = self[dns.name.empty] + return (dns.name.empty, v) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/node.py b/backend/mb-env/lib/python3.9/site-packages/dns/node.py new file mode 100644 index 0000000..b1baf27 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/node.py @@ -0,0 +1,189 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS nodes. A node is a set of rdatasets.""" + +import io + +import dns.rdataset +import dns.rdatatype +import dns.renderer + + +class Node: + + """A Node is a set of rdatasets.""" + + __slots__ = ['rdatasets'] + + def __init__(self): + # the set of rdatasets, represented as a list. + self.rdatasets = [] + + def to_text(self, name, **kw): + """Convert a node to text format. + + Each rdataset at the node is printed. Any keyword arguments + to this method are passed on to the rdataset's to_text() method. + + *name*, a ``dns.name.Name`` or ``str``, the owner name of the + rdatasets. + + Returns a ``str``. + + """ + + s = io.StringIO() + for rds in self.rdatasets: + if len(rds) > 0: + s.write(rds.to_text(name, **kw)) + s.write('\n') + return s.getvalue()[:-1] + + def __repr__(self): + return '' + + def __eq__(self, other): + # + # This is inefficient. Good thing we don't need to do it much. + # + for rd in self.rdatasets: + if rd not in other.rdatasets: + return False + for rd in other.rdatasets: + if rd not in self.rdatasets: + return False + return True + + def __ne__(self, other): + return not self.__eq__(other) + + def __len__(self): + return len(self.rdatasets) + + def __iter__(self): + return iter(self.rdatasets) + + def find_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, + create=False): + """Find an rdataset matching the specified properties in the + current node. + + *rdclass*, an ``int``, the class of the rdataset. + + *rdtype*, an ``int``, the type of the rdataset. + + *covers*, an ``int`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If True, create the rdataset if it is not found. + + Raises ``KeyError`` if an rdataset of the desired type and class does + not exist and *create* is not ``True``. + + Returns a ``dns.rdataset.Rdataset``. + """ + + for rds in self.rdatasets: + if rds.match(rdclass, rdtype, covers): + return rds + if not create: + raise KeyError + rds = dns.rdataset.Rdataset(rdclass, rdtype) + self.rdatasets.append(rds) + return rds + + def get_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, + create=False): + """Get an rdataset matching the specified properties in the + current node. + + None is returned if an rdataset of the specified type and + class does not exist and *create* is not ``True``. + + *rdclass*, an ``int``, the class of the rdataset. + + *rdtype*, an ``int``, the type of the rdataset. + + *covers*, an ``int``, the covered type. Usually this value is + dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or + dns.rdatatype.RRSIG, then the covers value will be the rdata + type the SIG/RRSIG covers. The library treats the SIG and RRSIG + types as if they were a family of + types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much + easier to work with than if RRSIGs covering different rdata + types were aggregated into a single RRSIG rdataset. + + *create*, a ``bool``. If True, create the rdataset if it is not found. + + Returns a ``dns.rdataset.Rdataset`` or ``None``. + """ + + try: + rds = self.find_rdataset(rdclass, rdtype, covers, create) + except KeyError: + rds = None + return rds + + def delete_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE): + """Delete the rdataset matching the specified properties in the + current node. + + If a matching rdataset does not exist, it is not an error. + + *rdclass*, an ``int``, the class of the rdataset. + + *rdtype*, an ``int``, the type of the rdataset. + + *covers*, an ``int``, the covered type. + """ + + rds = self.get_rdataset(rdclass, rdtype, covers) + if rds is not None: + self.rdatasets.remove(rds) + + def replace_rdataset(self, replacement): + """Replace an rdataset. + + It is not an error if there is no rdataset matching *replacement*. + + Ownership of the *replacement* object is transferred to the node; + in other words, this method does not store a copy of *replacement* + at the node, it stores *replacement* itself. + + *replacement*, a ``dns.rdataset.Rdataset``. + + Raises ``ValueError`` if *replacement* is not a + ``dns.rdataset.Rdataset``. + """ + + if not isinstance(replacement, dns.rdataset.Rdataset): + raise ValueError('replacement is not an rdataset') + if isinstance(replacement, dns.rrset.RRset): + # RRsets are not good replacements as the match() method + # is not compatible. + replacement = replacement.to_rdataset() + self.delete_rdataset(replacement.rdclass, replacement.rdtype, + replacement.covers) + self.rdatasets.append(replacement) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/opcode.py b/backend/mb-env/lib/python3.9/site-packages/dns/opcode.py new file mode 100644 index 0000000..5cf6143 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/opcode.py @@ -0,0 +1,115 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Opcodes.""" + +import dns.enum +import dns.exception + +class Opcode(dns.enum.IntEnum): + #: Query + QUERY = 0 + #: Inverse Query (historical) + IQUERY = 1 + #: Server Status (unspecified and unimplemented anywhere) + STATUS = 2 + #: Notify + NOTIFY = 4 + #: Dynamic Update + UPDATE = 5 + + @classmethod + def _maximum(cls): + return 15 + + @classmethod + def _unknown_exception_class(cls): + return UnknownOpcode + + +class UnknownOpcode(dns.exception.DNSException): + """An DNS opcode is unknown.""" + + +def from_text(text): + """Convert text into an opcode. + + *text*, a ``str``, the textual opcode + + Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown. + + Returns an ``int``. + """ + + return Opcode.from_text(text) + + +def from_flags(flags): + """Extract an opcode from DNS message flags. + + *flags*, an ``int``, the DNS flags. + + Returns an ``int``. + """ + + return (flags & 0x7800) >> 11 + + +def to_flags(value): + """Convert an opcode to a value suitable for ORing into DNS message + flags. + + *value*, an ``int``, the DNS opcode value. + + Returns an ``int``. + """ + + return (value << 11) & 0x7800 + + +def to_text(value): + """Convert an opcode to text. + + *value*, an ``int`` the opcode value, + + Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown. + + Returns a ``str``. + """ + + return Opcode.to_text(value) + + +def is_update(flags): + """Is the opcode in flags UPDATE? + + *flags*, an ``int``, the DNS message flags. + + Returns a ``bool``. + """ + + return from_flags(flags) == Opcode.UPDATE + +### BEGIN generated Opcode constants + +QUERY = Opcode.QUERY +IQUERY = Opcode.IQUERY +STATUS = Opcode.STATUS +NOTIFY = Opcode.NOTIFY +UPDATE = Opcode.UPDATE + +### END generated Opcode constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/py.typed b/backend/mb-env/lib/python3.9/site-packages/dns/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/query.py b/backend/mb-env/lib/python3.9/site-packages/dns/query.py new file mode 100644 index 0000000..bd62a7a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/query.py @@ -0,0 +1,1094 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Talk to a DNS server.""" + +import contextlib +import enum +import errno +import os +import selectors +import socket +import struct +import time +import base64 +import urllib.parse + +import dns.exception +import dns.inet +import dns.name +import dns.message +import dns.rcode +import dns.rdataclass +import dns.rdatatype +import dns.serial +import dns.xfr + +try: + import requests + from requests_toolbelt.adapters.source import SourceAddressAdapter + from requests_toolbelt.adapters.host_header_ssl import HostHeaderSSLAdapter + have_doh = True +except ImportError: # pragma: no cover + have_doh = False + +try: + import ssl +except ImportError: # pragma: no cover + class ssl: # type: ignore + + class WantReadException(Exception): + pass + + class WantWriteException(Exception): + pass + + class SSLSocket: + pass + + def create_default_context(self, *args, **kwargs): + raise Exception('no ssl support') + +# Function used to create a socket. Can be overridden if needed in special +# situations. +socket_factory = socket.socket + +class UnexpectedSource(dns.exception.DNSException): + """A DNS query response came from an unexpected address or port.""" + + +class BadResponse(dns.exception.FormError): + """A DNS query response does not respond to the question asked.""" + + +class NoDOH(dns.exception.DNSException): + """DNS over HTTPS (DOH) was requested but the requests module is not + available.""" + + +# for backwards compatibility +TransferError = dns.xfr.TransferError + + +def _compute_times(timeout): + now = time.time() + if timeout is None: + return (now, None) + else: + return (now, now + timeout) + + +def _wait_for(fd, readable, writable, _, expiration): + # Use the selected selector class to wait for any of the specified + # events. An "expiration" absolute time is converted into a relative + # timeout. + # + # The unused parameter is 'error', which is always set when + # selecting for read or write, and we have no error-only selects. + + if readable and isinstance(fd, ssl.SSLSocket) and fd.pending() > 0: + return True + sel = _selector_class() + events = 0 + if readable: + events |= selectors.EVENT_READ + if writable: + events |= selectors.EVENT_WRITE + if events: + sel.register(fd, events) + if expiration is None: + timeout = None + else: + timeout = expiration - time.time() + if timeout <= 0.0: + raise dns.exception.Timeout + if not sel.select(timeout): + raise dns.exception.Timeout + + +def _set_selector_class(selector_class): + # Internal API. Do not use. + + global _selector_class + + _selector_class = selector_class + +if hasattr(selectors, 'PollSelector'): + # Prefer poll() on platforms that support it because it has no + # limits on the maximum value of a file descriptor (plus it will + # be more efficient for high values). + _selector_class = selectors.PollSelector +else: + _selector_class = selectors.SelectSelector # pragma: no cover + + +def _wait_for_readable(s, expiration): + _wait_for(s, True, False, True, expiration) + + +def _wait_for_writable(s, expiration): + _wait_for(s, False, True, True, expiration) + + +def _addresses_equal(af, a1, a2): + # Convert the first value of the tuple, which is a textual format + # address into binary form, so that we are not confused by different + # textual representations of the same address + try: + n1 = dns.inet.inet_pton(af, a1[0]) + n2 = dns.inet.inet_pton(af, a2[0]) + except dns.exception.SyntaxError: + return False + return n1 == n2 and a1[1:] == a2[1:] + + +def _matches_destination(af, from_address, destination, ignore_unexpected): + # Check that from_address is appropriate for a response to a query + # sent to destination. + if not destination: + return True + if _addresses_equal(af, from_address, destination) or \ + (dns.inet.is_multicast(destination[0]) and + from_address[1:] == destination[1:]): + return True + elif ignore_unexpected: + return False + raise UnexpectedSource(f'got a response from {from_address} instead of ' + f'{destination}') + + +def _destination_and_source(where, port, source, source_port, + where_must_be_address=True): + # Apply defaults and compute destination and source tuples + # suitable for use in connect(), sendto(), or bind(). + af = None + destination = None + try: + af = dns.inet.af_for_address(where) + destination = where + except Exception: + if where_must_be_address: + raise + # URLs are ok so eat the exception + if source: + saf = dns.inet.af_for_address(source) + if af: + # We know the destination af, so source had better agree! + if saf != af: + raise ValueError('different address families for source ' + + 'and destination') + else: + # We didn't know the destination af, but we know the source, + # so that's our af. + af = saf + if source_port and not source: + # Caller has specified a source_port but not an address, so we + # need to return a source, and we need to use the appropriate + # wildcard address as the address. + if af == socket.AF_INET: + source = '0.0.0.0' + elif af == socket.AF_INET6: + source = '::' + else: + raise ValueError('source_port specified but address family is ' + 'unknown') + # Convert high-level (address, port) tuples into low-level address + # tuples. + if destination: + destination = dns.inet.low_level_address_tuple((destination, port), af) + if source: + source = dns.inet.low_level_address_tuple((source, source_port), af) + return (af, destination, source) + +def _make_socket(af, type, source, ssl_context=None, server_hostname=None): + s = socket_factory(af, type) + try: + s.setblocking(False) + if source is not None: + s.bind(source) + if ssl_context: + return ssl_context.wrap_socket(s, do_handshake_on_connect=False, + server_hostname=server_hostname) + else: + return s + except Exception: + s.close() + raise + +def https(q, where, timeout=None, port=443, source=None, source_port=0, + one_rr_per_rrset=False, ignore_trailing=False, + session=None, path='/dns-query', post=True, + bootstrap_address=None, verify=True): + """Return the response obtained after sending a query via DNS-over-HTTPS. + + *q*, a ``dns.message.Message``, the query to send. + + *where*, a ``str``, the nameserver IP address or the full URL. If an IP + address is given, the URL will be constructed using the following schema: + https://:/. + + *timeout*, a ``float`` or ``None``, the number of seconds to + wait before the query times out. If ``None``, the default, wait forever. + + *port*, a ``int``, the port to send the query to. The default is 443. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *session*, a ``requests.session.Session``. If provided, the session to use + to send the queries. + + *path*, a ``str``. If *where* is an IP address, then *path* will be used to + construct the URL to send the DNS query to. + + *post*, a ``bool``. If ``True``, the default, POST method will be used. + + *bootstrap_address*, a ``str``, the IP address to use to bypass the + system's DNS resolver. + + *verify*, a ``str``, containing a path to a certificate file or directory. + + Returns a ``dns.message.Message``. + """ + + if not have_doh: + raise NoDOH # pragma: no cover + + wire = q.to_wire() + (af, _, source) = _destination_and_source(where, port, source, source_port, + False) + transport_adapter = None + headers = { + "accept": "application/dns-message" + } + if af is not None: + if af == socket.AF_INET: + url = 'https://{}:{}{}'.format(where, port, path) + elif af == socket.AF_INET6: + url = 'https://[{}]:{}{}'.format(where, port, path) + elif bootstrap_address is not None: + split_url = urllib.parse.urlsplit(where) + headers['Host'] = split_url.hostname + url = where.replace(split_url.hostname, bootstrap_address) + transport_adapter = HostHeaderSSLAdapter() + else: + url = where + if source is not None: + # set source port and source address + transport_adapter = SourceAddressAdapter(source) + + with contextlib.ExitStack() as stack: + if not session: + session = stack.enter_context(requests.sessions.Session()) + + if transport_adapter: + session.mount(url, transport_adapter) + + # see https://tools.ietf.org/html/rfc8484#section-4.1.1 for DoH + # GET and POST examples + if post: + headers.update({ + "content-type": "application/dns-message", + "content-length": str(len(wire)) + }) + response = session.post(url, headers=headers, data=wire, + timeout=timeout, verify=verify) + else: + wire = base64.urlsafe_b64encode(wire).rstrip(b"=") + response = session.get(url, headers=headers, + timeout=timeout, verify=verify, + params={"dns": wire}) + + # see https://tools.ietf.org/html/rfc8484#section-4.2.1 for info about DoH + # status codes + if response.status_code < 200 or response.status_code > 299: + raise ValueError('{} responded with status code {}' + '\nResponse body: {}'.format(where, + response.status_code, + response.content)) + r = dns.message.from_wire(response.content, + keyring=q.keyring, + request_mac=q.request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing) + r.time = response.elapsed + if not q.is_response(r): + raise BadResponse + return r + +def _udp_recv(sock, max_size, expiration): + """Reads a datagram from the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + while True: + try: + return sock.recvfrom(max_size) + except BlockingIOError: + _wait_for_readable(sock, expiration) + + +def _udp_send(sock, data, destination, expiration): + """Sends the specified datagram to destination over the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + while True: + try: + if destination: + return sock.sendto(data, destination) + else: + return sock.send(data) + except BlockingIOError: # pragma: no cover + _wait_for_writable(sock, expiration) + + +def send_udp(sock, what, destination, expiration=None): + """Send a DNS message to the specified UDP socket. + + *sock*, a ``socket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where to send the query. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + sent_time = time.time() + n = _udp_send(sock, what, destination, expiration) + return (n, sent_time) + + +def receive_udp(sock, destination=None, expiration=None, + ignore_unexpected=False, one_rr_per_rrset=False, + keyring=None, request_mac=b'', ignore_trailing=False, + raise_on_truncation=False): + """Read a DNS message from a UDP socket. + + *sock*, a ``socket``. + + *destination*, a destination tuple appropriate for the address family + of the socket, specifying where the message is expected to arrive from. + When receiving a response, this would be where the associated query was + sent. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from + unexpected sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *request_mac*, a ``bytes``, the MAC of the request (for TSIG). + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if + the TC bit is set. + + Raises if the message is malformed, if network errors occur, of if + there is a timeout. + + If *destination* is not ``None``, returns a ``(dns.message.Message, float)`` + tuple of the received message and the received time. + + If *destination* is ``None``, returns a + ``(dns.message.Message, float, tuple)`` + tuple of the received message, the received time, and the address where + the message arrived from. + """ + + wire = b'' + while True: + (wire, from_address) = _udp_recv(sock, 65535, expiration) + if _matches_destination(sock.family, from_address, destination, + ignore_unexpected): + break + received_time = time.time() + r = dns.message.from_wire(wire, keyring=keyring, request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing, + raise_on_truncation=raise_on_truncation) + if destination: + return (r, received_time) + else: + return (r, received_time, from_address) + +def udp(q, where, timeout=None, port=53, source=None, source_port=0, + ignore_unexpected=False, one_rr_per_rrset=False, ignore_trailing=False, + raise_on_truncation=False, sock=None): + """Return the response obtained after sending a query via UDP. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from + unexpected sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *raise_on_truncation*, a ``bool``. If ``True``, raise an exception if + the TC bit is set. + + *sock*, a ``socket.socket``, or ``None``, the socket to use for the + query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking datagram socket, + and the *source* and *source_port* are ignored. + + Returns a ``dns.message.Message``. + """ + + wire = q.to_wire() + (af, destination, source) = _destination_and_source(where, port, + source, source_port) + (begin_time, expiration) = _compute_times(timeout) + with contextlib.ExitStack() as stack: + if sock: + s = sock + else: + s = stack.enter_context(_make_socket(af, socket.SOCK_DGRAM, source)) + send_udp(s, wire, destination, expiration) + (r, received_time) = receive_udp(s, destination, expiration, + ignore_unexpected, one_rr_per_rrset, + q.keyring, q.mac, ignore_trailing, + raise_on_truncation) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + +def udp_with_fallback(q, where, timeout=None, port=53, source=None, + source_port=0, ignore_unexpected=False, + one_rr_per_rrset=False, ignore_trailing=False, + udp_sock=None, tcp_sock=None): + """Return the response to the query, trying UDP first and falling back + to TCP if UDP results in a truncated response. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *ignore_unexpected*, a ``bool``. If ``True``, ignore responses from + unexpected sources. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *udp_sock*, a ``socket.socket``, or ``None``, the socket to use for the + UDP query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking datagram socket, + and the *source* and *source_port* are ignored for the UDP query. + + *tcp_sock*, a ``socket.socket``, or ``None``, the socket to use for the + TCP query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking connected stream + socket, and *where*, *source* and *source_port* are ignored for the TCP + query. + + Returns a (``dns.message.Message``, tcp) tuple where tcp is ``True`` + if and only if TCP was used. + """ + try: + response = udp(q, where, timeout, port, source, source_port, + ignore_unexpected, one_rr_per_rrset, + ignore_trailing, True, udp_sock) + return (response, False) + except dns.message.Truncated: + response = tcp(q, where, timeout, port, source, source_port, + one_rr_per_rrset, ignore_trailing, tcp_sock) + return (response, True) + +def _net_read(sock, count, expiration): + """Read the specified number of bytes from sock. Keep trying until we + either get the desired amount, or we hit EOF. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + s = b'' + while count > 0: + try: + n = sock.recv(count) + if n == b'': + raise EOFError + count -= len(n) + s += n + except (BlockingIOError, ssl.SSLWantReadError): + _wait_for_readable(sock, expiration) + except ssl.SSLWantWriteError: # pragma: no cover + _wait_for_writable(sock, expiration) + return s + + +def _net_write(sock, data, expiration): + """Write the specified data to the socket. + A Timeout exception will be raised if the operation is not completed + by the expiration time. + """ + current = 0 + l = len(data) + while current < l: + try: + current += sock.send(data[current:]) + except (BlockingIOError, ssl.SSLWantWriteError): + _wait_for_writable(sock, expiration) + except ssl.SSLWantReadError: # pragma: no cover + _wait_for_readable(sock, expiration) + + +def send_tcp(sock, what, expiration=None): + """Send a DNS message to the specified TCP socket. + + *sock*, a ``socket``. + + *what*, a ``bytes`` or ``dns.message.Message``, the message to send. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + Returns an ``(int, float)`` tuple of bytes sent and the sent time. + """ + + if isinstance(what, dns.message.Message): + what = what.to_wire() + l = len(what) + # copying the wire into tcpmsg is inefficient, but lets us + # avoid writev() or doing a short write that would get pushed + # onto the net + tcpmsg = struct.pack("!H", l) + what + sent_time = time.time() + _net_write(sock, tcpmsg, expiration) + return (len(tcpmsg), sent_time) + +def receive_tcp(sock, expiration=None, one_rr_per_rrset=False, + keyring=None, request_mac=b'', ignore_trailing=False): + """Read a DNS message from a TCP socket. + + *sock*, a ``socket``. + + *expiration*, a ``float`` or ``None``, the absolute time at which + a timeout exception should be raised. If ``None``, no timeout will + occur. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *request_mac*, a ``bytes``, the MAC of the request (for TSIG). + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + Raises if the message is malformed, if network errors occur, of if + there is a timeout. + + Returns a ``(dns.message.Message, float)`` tuple of the received message + and the received time. + """ + + ldata = _net_read(sock, 2, expiration) + (l,) = struct.unpack("!H", ldata) + wire = _net_read(sock, l, expiration) + received_time = time.time() + r = dns.message.from_wire(wire, keyring=keyring, request_mac=request_mac, + one_rr_per_rrset=one_rr_per_rrset, + ignore_trailing=ignore_trailing) + return (r, received_time) + +def _connect(s, address, expiration): + err = s.connect_ex(address) + if err == 0: + return + if err in (errno.EINPROGRESS, errno.EWOULDBLOCK, errno.EALREADY): + _wait_for_writable(s, expiration) + err = s.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR) + if err != 0: + raise OSError(err, os.strerror(err)) + + +def tcp(q, where, timeout=None, port=53, source=None, source_port=0, + one_rr_per_rrset=False, ignore_trailing=False, sock=None): + """Return the response obtained after sending a query via TCP. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *sock*, a ``socket.socket``, or ``None``, the socket to use for the + query. If ``None``, the default, a socket is created. Note that + if a socket is provided, it must be a nonblocking connected stream + socket, and *where*, *port*, *source* and *source_port* are ignored. + + Returns a ``dns.message.Message``. + """ + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + with contextlib.ExitStack() as stack: + if sock: + s = sock + else: + (af, destination, source) = _destination_and_source(where, port, + source, + source_port) + s = stack.enter_context(_make_socket(af, socket.SOCK_STREAM, + source)) + _connect(s, destination, expiration) + send_tcp(s, wire, expiration) + (r, received_time) = receive_tcp(s, expiration, one_rr_per_rrset, + q.keyring, q.mac, ignore_trailing) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + + +def _tls_handshake(s, expiration): + while True: + try: + s.do_handshake() + return + except ssl.SSLWantReadError: + _wait_for_readable(s, expiration) + except ssl.SSLWantWriteError: # pragma: no cover + _wait_for_writable(s, expiration) + + +def tls(q, where, timeout=None, port=853, source=None, source_port=0, + one_rr_per_rrset=False, ignore_trailing=False, sock=None, + ssl_context=None, server_hostname=None): + """Return the response obtained after sending a query via TLS. + + *q*, a ``dns.message.Message``, the query to send + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *timeout*, a ``float`` or ``None``, the number of seconds to wait before the + query times out. If ``None``, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 853. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *one_rr_per_rrset*, a ``bool``. If ``True``, put each RR into its own + RRset. + + *ignore_trailing*, a ``bool``. If ``True``, ignore trailing + junk at end of the received message. + + *sock*, an ``ssl.SSLSocket``, or ``None``, the socket to use for + the query. If ``None``, the default, a socket is created. Note + that if a socket is provided, it must be a nonblocking connected + SSL stream socket, and *where*, *port*, *source*, *source_port*, + and *ssl_context* are ignored. + + *ssl_context*, an ``ssl.SSLContext``, the context to use when establishing + a TLS connection. If ``None``, the default, creates one with the default + configuration. + + *server_hostname*, a ``str`` containing the server's hostname. The + default is ``None``, which means that no hostname is known, and if an + SSL context is created, hostname checking will be disabled. + + Returns a ``dns.message.Message``. + + """ + + if sock: + # + # If a socket was provided, there's no special TLS handling needed. + # + return tcp(q, where, timeout, port, source, source_port, + one_rr_per_rrset, ignore_trailing, sock) + + wire = q.to_wire() + (begin_time, expiration) = _compute_times(timeout) + (af, destination, source) = _destination_and_source(where, port, + source, source_port) + if ssl_context is None and not sock: + ssl_context = ssl.create_default_context() + if server_hostname is None: + ssl_context.check_hostname = False + + with _make_socket(af, socket.SOCK_STREAM, source, ssl_context=ssl_context, + server_hostname=server_hostname) as s: + _connect(s, destination, expiration) + _tls_handshake(s, expiration) + send_tcp(s, wire, expiration) + (r, received_time) = receive_tcp(s, expiration, one_rr_per_rrset, + q.keyring, q.mac, ignore_trailing) + r.time = received_time - begin_time + if not q.is_response(r): + raise BadResponse + return r + + +def xfr(where, zone, rdtype=dns.rdatatype.AXFR, rdclass=dns.rdataclass.IN, + timeout=None, port=53, keyring=None, keyname=None, relativize=True, + lifetime=None, source=None, source_port=0, serial=0, + use_udp=False, keyalgorithm=dns.tsig.default_algorithm): + """Return a generator for the responses to a zone transfer. + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *zone*, a ``dns.name.Name`` or ``str``, the name of the zone to transfer. + + *rdtype*, an ``int`` or ``str``, the type of zone transfer. The + default is ``dns.rdatatype.AXFR``. ``dns.rdatatype.IXFR`` can be + used to do an incremental transfer instead. + + *rdclass*, an ``int`` or ``str``, the class of the zone transfer. + The default is ``dns.rdataclass.IN``. + + *timeout*, a ``float``, the number of seconds to wait for each + response message. If None, the default, wait forever. + + *port*, an ``int``, the port send the message to. The default is 53. + + *keyring*, a ``dict``, the keyring to use for TSIG. + + *keyname*, a ``dns.name.Name`` or ``str``, the name of the TSIG + key to use. + + *relativize*, a ``bool``. If ``True``, all names in the zone will be + relativized to the zone origin. It is essential that the + relativize setting matches the one specified to + ``dns.zone.from_xfr()`` if using this generator to make a zone. + + *lifetime*, a ``float``, the total number of seconds to spend + doing the transfer. If ``None``, the default, then there is no + limit on the time the transfer may take. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *serial*, an ``int``, the SOA serial number to use as the base for + an IXFR diff sequence (only meaningful if *rdtype* is + ``dns.rdatatype.IXFR``). + + *use_udp*, a ``bool``. If ``True``, use UDP (only meaningful for IXFR). + + *keyalgorithm*, a ``dns.name.Name`` or ``str``, the TSIG algorithm to use. + + Raises on errors, and so does the generator. + + Returns a generator of ``dns.message.Message`` objects. + """ + + if isinstance(zone, str): + zone = dns.name.from_text(zone) + rdtype = dns.rdatatype.RdataType.make(rdtype) + q = dns.message.make_query(zone, rdtype, rdclass) + if rdtype == dns.rdatatype.IXFR: + rrset = dns.rrset.from_text(zone, 0, 'IN', 'SOA', + '. . %u 0 0 0 0' % serial) + q.authority.append(rrset) + if keyring is not None: + q.use_tsig(keyring, keyname, algorithm=keyalgorithm) + wire = q.to_wire() + (af, destination, source) = _destination_and_source(where, port, + source, source_port) + if use_udp and rdtype != dns.rdatatype.IXFR: + raise ValueError('cannot do a UDP AXFR') + sock_type = socket.SOCK_DGRAM if use_udp else socket.SOCK_STREAM + with _make_socket(af, sock_type, source) as s: + (_, expiration) = _compute_times(lifetime) + _connect(s, destination, expiration) + l = len(wire) + if use_udp: + _udp_send(s, wire, None, expiration) + else: + tcpmsg = struct.pack("!H", l) + wire + _net_write(s, tcpmsg, expiration) + done = False + delete_mode = True + expecting_SOA = False + soa_rrset = None + if relativize: + origin = zone + oname = dns.name.empty + else: + origin = None + oname = zone + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or \ + (expiration is not None and mexpiration > expiration): + mexpiration = expiration + if use_udp: + (wire, _) = _udp_recv(s, 65535, mexpiration) + else: + ldata = _net_read(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + wire = _net_read(s, l, mexpiration) + is_ixfr = (rdtype == dns.rdatatype.IXFR) + r = dns.message.from_wire(wire, keyring=q.keyring, + request_mac=q.mac, xfr=True, + origin=origin, tsig_ctx=tsig_ctx, + multi=True, one_rr_per_rrset=is_ixfr) + rcode = r.rcode() + if rcode != dns.rcode.NOERROR: + raise TransferError(rcode) + tsig_ctx = r.tsig_ctx + answer_index = 0 + if soa_rrset is None: + if not r.answer or r.answer[0].name != oname: + raise dns.exception.FormError( + "No answer or RRset not for qname") + rrset = r.answer[0] + if rrset.rdtype != dns.rdatatype.SOA: + raise dns.exception.FormError("first RRset is not an SOA") + answer_index = 1 + soa_rrset = rrset.copy() + if rdtype == dns.rdatatype.IXFR: + if dns.serial.Serial(soa_rrset[0].serial) <= serial: + # + # We're already up-to-date. + # + done = True + else: + expecting_SOA = True + # + # Process SOAs in the answer section (other than the initial + # SOA in the first message). + # + for rrset in r.answer[answer_index:]: + if done: + raise dns.exception.FormError("answers after final SOA") + if rrset.rdtype == dns.rdatatype.SOA and rrset.name == oname: + if expecting_SOA: + if rrset[0].serial != serial: + raise dns.exception.FormError( + "IXFR base serial mismatch") + expecting_SOA = False + elif rdtype == dns.rdatatype.IXFR: + delete_mode = not delete_mode + # + # If this SOA RRset is equal to the first we saw then we're + # finished. If this is an IXFR we also check that we're + # seeing the record in the expected part of the response. + # + if rrset == soa_rrset and \ + (rdtype == dns.rdatatype.AXFR or + (rdtype == dns.rdatatype.IXFR and delete_mode)): + done = True + elif expecting_SOA: + # + # We made an IXFR request and are expecting another + # SOA RR, but saw something else, so this must be an + # AXFR response. + # + rdtype = dns.rdatatype.AXFR + expecting_SOA = False + if done and q.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") + yield r + + +class UDPMode(enum.IntEnum): + """How should UDP be used in an IXFR from :py:func:`inbound_xfr()`? + + NEVER means "never use UDP; always use TCP" + TRY_FIRST means "try to use UDP but fall back to TCP if needed" + ONLY means "raise ``dns.xfr.UseTCP`` if trying UDP does not succeed" + """ + NEVER = 0 + TRY_FIRST = 1 + ONLY = 2 + + +def inbound_xfr(where, txn_manager, query=None, + port=53, timeout=None, lifetime=None, source=None, + source_port=0, udp_mode=UDPMode.NEVER): + """Conduct an inbound transfer and apply it via a transaction from the + txn_manager. + + *where*, a ``str`` containing an IPv4 or IPv6 address, where + to send the message. + + *txn_manager*, a ``dns.transaction.TransactionManager``, the txn_manager + for this transfer (typically a ``dns.zone.Zone``). + + *query*, the query to send. If not supplied, a default query is + constructed using information from the *txn_manager*. + + *port*, an ``int``, the port send the message to. The default is 53. + + *timeout*, a ``float``, the number of seconds to wait for each + response message. If None, the default, wait forever. + + *lifetime*, a ``float``, the total number of seconds to spend + doing the transfer. If ``None``, the default, then there is no + limit on the time the transfer may take. + + *source*, a ``str`` containing an IPv4 or IPv6 address, specifying + the source address. The default is the wildcard address. + + *source_port*, an ``int``, the port from which to send the message. + The default is 0. + + *udp_mode*, a ``dns.query.UDPMode``, determines how UDP is used + for IXFRs. The default is ``dns.UDPMode.NEVER``, i.e. only use + TCP. Other possibilites are ``dns.UDPMode.TRY_FIRST``, which + means "try UDP but fallback to TCP if needed", and + ``dns.UDPMode.ONLY``, which means "try UDP and raise + ``dns.xfr.UseTCP`` if it does not succeeed. + + Raises on errors. + """ + if query is None: + (query, serial) = dns.xfr.make_query(txn_manager) + rdtype = query.question[0].rdtype + is_ixfr = rdtype == dns.rdatatype.IXFR + origin = txn_manager.from_wire_origin() + wire = query.to_wire() + (af, destination, source) = _destination_and_source(where, port, + source, source_port) + (_, expiration) = _compute_times(lifetime) + retry = True + while retry: + retry = False + if is_ixfr and udp_mode != UDPMode.NEVER: + sock_type = socket.SOCK_DGRAM + is_udp = True + else: + sock_type = socket.SOCK_STREAM + is_udp = False + with _make_socket(af, sock_type, source) as s: + _connect(s, destination, expiration) + if is_udp: + _udp_send(s, wire, None, expiration) + else: + tcpmsg = struct.pack("!H", len(wire)) + wire + _net_write(s, tcpmsg, expiration) + with dns.xfr.Inbound(txn_manager, rdtype, serial, + is_udp) as inbound: + done = False + tsig_ctx = None + while not done: + (_, mexpiration) = _compute_times(timeout) + if mexpiration is None or \ + (expiration is not None and mexpiration > expiration): + mexpiration = expiration + if is_udp: + (rwire, _) = _udp_recv(s, 65535, mexpiration) + else: + ldata = _net_read(s, 2, mexpiration) + (l,) = struct.unpack("!H", ldata) + rwire = _net_read(s, l, mexpiration) + r = dns.message.from_wire(rwire, keyring=query.keyring, + request_mac=query.mac, xfr=True, + origin=origin, tsig_ctx=tsig_ctx, + multi=(not is_udp), + one_rr_per_rrset=is_ixfr) + try: + done = inbound.process_message(r) + except dns.xfr.UseTCP: + assert is_udp # should not happen if we used TCP! + if udp_mode == UDPMode.ONLY: + raise + done = True + retry = True + udp_mode = UDPMode.NEVER + continue + tsig_ctx = r.tsig_ctx + if not retry and query.keyring and not r.had_tsig: + raise dns.exception.FormError("missing TSIG") diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rcode.py b/backend/mb-env/lib/python3.9/site-packages/dns/rcode.py new file mode 100644 index 0000000..49fee69 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rcode.py @@ -0,0 +1,164 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Result Codes.""" + +import dns.enum +import dns.exception + +class Rcode(dns.enum.IntEnum): + #: No error + NOERROR = 0 + #: Format error + FORMERR = 1 + #: Server failure + SERVFAIL = 2 + #: Name does not exist ("Name Error" in RFC 1025 terminology). + NXDOMAIN = 3 + #: Not implemented + NOTIMP = 4 + #: Refused + REFUSED = 5 + #: Name exists. + YXDOMAIN = 6 + #: RRset exists. + YXRRSET = 7 + #: RRset does not exist. + NXRRSET = 8 + #: Not authoritative. + NOTAUTH = 9 + #: Name not in zone. + NOTZONE = 10 + #: DSO-TYPE Not Implemented + DSOTYPENI = 11 + #: Bad EDNS version. + BADVERS = 16 + #: TSIG Signature Failure + BADSIG = 16 + #: Key not recognized. + BADKEY = 17 + #: Signature out of time window. + BADTIME = 18 + #: Bad TKEY Mode. + BADMODE = 19 + #: Duplicate key name. + BADNAME = 20 + #: Algorithm not supported. + BADALG = 21 + #: Bad Truncation + BADTRUNC = 22 + #: Bad/missing Server Cookie + BADCOOKIE = 23 + + @classmethod + def _maximum(cls): + return 4095 + + @classmethod + def _unknown_exception_class(cls): + return UnknownRcode + + +class UnknownRcode(dns.exception.DNSException): + """A DNS rcode is unknown.""" + + +def from_text(text): + """Convert text into an rcode. + + *text*, a ``str``, the textual rcode or an integer in textual form. + + Raises ``dns.rcode.UnknownRcode`` if the rcode mnemonic is unknown. + + Returns an ``int``. + """ + + return Rcode.from_text(text) + + +def from_flags(flags, ednsflags): + """Return the rcode value encoded by flags and ednsflags. + + *flags*, an ``int``, the DNS flags field. + + *ednsflags*, an ``int``, the EDNS flags field. + + Raises ``ValueError`` if rcode is < 0 or > 4095 + + Returns an ``int``. + """ + + value = (flags & 0x000f) | ((ednsflags >> 20) & 0xff0) + return value + + +def to_flags(value): + """Return a (flags, ednsflags) tuple which encodes the rcode. + + *value*, an ``int``, the rcode. + + Raises ``ValueError`` if rcode is < 0 or > 4095. + + Returns an ``(int, int)`` tuple. + """ + + if value < 0 or value > 4095: + raise ValueError('rcode must be >= 0 and <= 4095') + v = value & 0xf + ev = (value & 0xff0) << 20 + return (v, ev) + + +def to_text(value, tsig=False): + """Convert rcode into text. + + *value*, an ``int``, the rcode. + + Raises ``ValueError`` if rcode is < 0 or > 4095. + + Returns a ``str``. + """ + + if tsig and value == Rcode.BADVERS: + return 'BADSIG' + return Rcode.to_text(value) + +### BEGIN generated Rcode constants + +NOERROR = Rcode.NOERROR +FORMERR = Rcode.FORMERR +SERVFAIL = Rcode.SERVFAIL +NXDOMAIN = Rcode.NXDOMAIN +NOTIMP = Rcode.NOTIMP +REFUSED = Rcode.REFUSED +YXDOMAIN = Rcode.YXDOMAIN +YXRRSET = Rcode.YXRRSET +NXRRSET = Rcode.NXRRSET +NOTAUTH = Rcode.NOTAUTH +NOTZONE = Rcode.NOTZONE +DSOTYPENI = Rcode.DSOTYPENI +BADVERS = Rcode.BADVERS +BADSIG = Rcode.BADSIG +BADKEY = Rcode.BADKEY +BADTIME = Rcode.BADTIME +BADMODE = Rcode.BADMODE +BADNAME = Rcode.BADNAME +BADALG = Rcode.BADALG +BADTRUNC = Rcode.BADTRUNC +BADCOOKIE = Rcode.BADCOOKIE + +### END generated Rcode constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdata.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdata.py new file mode 100644 index 0000000..12f3b6f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdata.py @@ -0,0 +1,719 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdata.""" + +from importlib import import_module +import base64 +import binascii +import io +import inspect +import itertools +import random + +import dns.wire +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdataclass +import dns.rdatatype +import dns.tokenizer +import dns.ttl + +_chunksize = 32 + + +def _wordbreak(data, chunksize=_chunksize): + """Break a binary string into chunks of chunksize characters separated by + a space. + """ + + if not chunksize: + return data.decode() + return b' '.join([data[i:i + chunksize] + for i + in range(0, len(data), chunksize)]).decode() + + +def _hexify(data, chunksize=_chunksize, **kw): + """Convert a binary string into its hex encoding, broken up into chunks + of chunksize characters separated by a space. + """ + + return _wordbreak(binascii.hexlify(data), chunksize) + + +def _base64ify(data, chunksize=_chunksize, **kw): + """Convert a binary string into its base64 encoding, broken up into chunks + of chunksize characters separated by a space. + """ + + return _wordbreak(base64.b64encode(data), chunksize) + + +__escaped = b'"\\' + +def _escapify(qstring): + """Escape the characters in a quoted string which need it.""" + + if isinstance(qstring, str): + qstring = qstring.encode() + if not isinstance(qstring, bytearray): + qstring = bytearray(qstring) + + text = '' + for c in qstring: + if c in __escaped: + text += '\\' + chr(c) + elif c >= 0x20 and c < 0x7F: + text += chr(c) + else: + text += '\\%03d' % c + return text + + +def _truncate_bitmap(what): + """Determine the index of greatest byte that isn't all zeros, and + return the bitmap that contains all the bytes less than that index. + """ + + for i in range(len(what) - 1, -1, -1): + if what[i] != 0: + return what[0: i + 1] + return what[0:1] + +# So we don't have to edit all the rdata classes... +_constify = dns.immutable.constify + + +@dns.immutable.immutable +class Rdata: + """Base class for all DNS rdata types.""" + + __slots__ = ['rdclass', 'rdtype', 'rdcomment'] + + def __init__(self, rdclass, rdtype): + """Initialize an rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + """ + + self.rdclass = self._as_rdataclass(rdclass) + self.rdtype = self._as_rdatatype(rdtype) + self.rdcomment = None + + def _get_all_slots(self): + return itertools.chain.from_iterable(getattr(cls, '__slots__', []) + for cls in self.__class__.__mro__) + + def __getstate__(self): + # We used to try to do a tuple of all slots here, but it + # doesn't work as self._all_slots isn't available at + # __setstate__() time. Before that we tried to store a tuple + # of __slots__, but that didn't work as it didn't store the + # slots defined by ancestors. This older way didn't fail + # outright, but ended up with partially broken objects, e.g. + # if you unpickled an A RR it wouldn't have rdclass and rdtype + # attributes, and would compare badly. + state = {} + for slot in self._get_all_slots(): + state[slot] = getattr(self, slot) + return state + + def __setstate__(self, state): + for slot, val in state.items(): + object.__setattr__(self, slot, val) + if not hasattr(self, 'rdcomment'): + # Pickled rdata from 2.0.x might not have a rdcomment, so add + # it if needed. + object.__setattr__(self, 'rdcomment', None) + + def covers(self): + """Return the type a Rdata covers. + + DNS SIG/RRSIG rdatas apply to a specific type; this type is + returned by the covers() function. If the rdata type is not + SIG or RRSIG, dns.rdatatype.NONE is returned. This is useful when + creating rdatasets, allowing the rdataset to contain only RRSIGs + of a particular type, e.g. RRSIG(NS). + + Returns an ``int``. + """ + + return dns.rdatatype.NONE + + def extended_rdatatype(self): + """Return a 32-bit type value, the least significant 16 bits of + which are the ordinary DNS type, and the upper 16 bits of which are + the "covered" type, if any. + + Returns an ``int``. + """ + + return self.covers() << 16 | self.rdtype + + def to_text(self, origin=None, relativize=True, **kw): + """Convert an rdata to text format. + + Returns a ``str``. + """ + + raise NotImplementedError # pragma: no cover + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + raise NotImplementedError # pragma: no cover + + def to_wire(self, file=None, compress=None, origin=None, + canonicalize=False): + """Convert an rdata to wire format. + + Returns a ``bytes`` or ``None``. + """ + + if file: + return self._to_wire(file, compress, origin, canonicalize) + else: + f = io.BytesIO() + self._to_wire(f, compress, origin, canonicalize) + return f.getvalue() + + def to_generic(self, origin=None): + """Creates a dns.rdata.GenericRdata equivalent of this rdata. + + Returns a ``dns.rdata.GenericRdata``. + """ + return dns.rdata.GenericRdata(self.rdclass, self.rdtype, + self.to_wire(origin=origin)) + + def to_digestable(self, origin=None): + """Convert rdata to a format suitable for digesting in hashes. This + is also the DNSSEC canonical form. + + Returns a ``bytes``. + """ + + return self.to_wire(origin=origin, canonicalize=True) + + def __repr__(self): + covers = self.covers() + if covers == dns.rdatatype.NONE: + ctext = '' + else: + ctext = '(' + dns.rdatatype.to_text(covers) + ')' + return '' + + def __str__(self): + return self.to_text() + + def _cmp(self, other): + """Compare an rdata with another rdata of the same rdtype and + rdclass. + + Return < 0 if self < other in the DNSSEC ordering, 0 if self + == other, and > 0 if self > other. + + """ + our = self.to_digestable(dns.name.root) + their = other.to_digestable(dns.name.root) + if our == their: + return 0 + elif our > their: + return 1 + else: + return -1 + + def __eq__(self, other): + if not isinstance(other, Rdata): + return False + if self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return False + return self._cmp(other) == 0 + + def __ne__(self, other): + if not isinstance(other, Rdata): + return True + if self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return True + return self._cmp(other) != 0 + + def __lt__(self, other): + if not isinstance(other, Rdata) or \ + self.rdclass != other.rdclass or self.rdtype != other.rdtype: + + return NotImplemented + return self._cmp(other) < 0 + + def __le__(self, other): + if not isinstance(other, Rdata) or \ + self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return NotImplemented + return self._cmp(other) <= 0 + + def __ge__(self, other): + if not isinstance(other, Rdata) or \ + self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return NotImplemented + return self._cmp(other) >= 0 + + def __gt__(self, other): + if not isinstance(other, Rdata) or \ + self.rdclass != other.rdclass or self.rdtype != other.rdtype: + return NotImplemented + return self._cmp(other) > 0 + + def __hash__(self): + return hash(self.to_digestable(dns.name.root)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + raise NotImplementedError # pragma: no cover + + def replace(self, **kwargs): + """ + Create a new Rdata instance based on the instance replace was + invoked on. It is possible to pass different parameters to + override the corresponding properties of the base Rdata. + + Any field specific to the Rdata type can be replaced, but the + *rdtype* and *rdclass* fields cannot. + + Returns an instance of the same Rdata subclass as *self*. + """ + + # Get the constructor parameters. + parameters = inspect.signature(self.__init__).parameters + + # Ensure that all of the arguments correspond to valid fields. + # Don't allow rdclass or rdtype to be changed, though. + for key in kwargs: + if key == 'rdcomment': + continue + if key not in parameters: + raise AttributeError("'{}' object has no attribute '{}'" + .format(self.__class__.__name__, key)) + if key in ('rdclass', 'rdtype'): + raise AttributeError("Cannot overwrite '{}' attribute '{}'" + .format(self.__class__.__name__, key)) + + # Construct the parameter list. For each field, use the value in + # kwargs if present, and the current value otherwise. + args = (kwargs.get(key, getattr(self, key)) for key in parameters) + + # Create, validate, and return the new object. + rd = self.__class__(*args) + # The comment is not set in the constructor, so give it special + # handling. + rdcomment = kwargs.get('rdcomment', self.rdcomment) + if rdcomment is not None: + object.__setattr__(rd, 'rdcomment', rdcomment) + return rd + + # Type checking and conversion helpers. These are class methods as + # they don't touch object state and may be useful to others. + + @classmethod + def _as_rdataclass(cls, value): + return dns.rdataclass.RdataClass.make(value) + + @classmethod + def _as_rdatatype(cls, value): + return dns.rdatatype.RdataType.make(value) + + @classmethod + def _as_bytes(cls, value, encode=False, max_length=None, empty_ok=True): + if encode and isinstance(value, str): + value = value.encode() + elif isinstance(value, bytearray): + value = bytes(value) + elif not isinstance(value, bytes): + raise ValueError('not bytes') + if max_length is not None and len(value) > max_length: + raise ValueError('too long') + if not empty_ok and len(value) == 0: + raise ValueError('empty bytes not allowed') + return value + + @classmethod + def _as_name(cls, value): + # Note that proper name conversion (e.g. with origin and IDNA + # awareness) is expected to be done via from_text. This is just + # a simple thing for people invoking the constructor directly. + if isinstance(value, str): + return dns.name.from_text(value) + elif not isinstance(value, dns.name.Name): + raise ValueError('not a name') + return value + + @classmethod + def _as_uint8(cls, value): + if not isinstance(value, int): + raise ValueError('not an integer') + if value < 0 or value > 255: + raise ValueError('not a uint8') + return value + + @classmethod + def _as_uint16(cls, value): + if not isinstance(value, int): + raise ValueError('not an integer') + if value < 0 or value > 65535: + raise ValueError('not a uint16') + return value + + @classmethod + def _as_uint32(cls, value): + if not isinstance(value, int): + raise ValueError('not an integer') + if value < 0 or value > 4294967295: + raise ValueError('not a uint32') + return value + + @classmethod + def _as_uint48(cls, value): + if not isinstance(value, int): + raise ValueError('not an integer') + if value < 0 or value > 281474976710655: + raise ValueError('not a uint48') + return value + + @classmethod + def _as_int(cls, value, low=None, high=None): + if not isinstance(value, int): + raise ValueError('not an integer') + if low is not None and value < low: + raise ValueError('value too small') + if high is not None and value > high: + raise ValueError('value too large') + return value + + @classmethod + def _as_ipv4_address(cls, value): + if isinstance(value, str): + # call to check validity + dns.ipv4.inet_aton(value) + return value + elif isinstance(value, bytes): + return dns.ipv4.inet_ntoa(value) + else: + raise ValueError('not an IPv4 address') + + @classmethod + def _as_ipv6_address(cls, value): + if isinstance(value, str): + # call to check validity + dns.ipv6.inet_aton(value) + return value + elif isinstance(value, bytes): + return dns.ipv6.inet_ntoa(value) + else: + raise ValueError('not an IPv6 address') + + @classmethod + def _as_bool(cls, value): + if isinstance(value, bool): + return value + else: + raise ValueError('not a boolean') + + @classmethod + def _as_ttl(cls, value): + if isinstance(value, int): + return cls._as_int(value, 0, dns.ttl.MAX_TTL) + elif isinstance(value, str): + return dns.ttl.from_text(value) + else: + raise ValueError('not a TTL') + + @classmethod + def _as_tuple(cls, value, as_value): + try: + # For user convenience, if value is a singleton of the list + # element type, wrap it in a tuple. + return (as_value(value),) + except Exception: + # Otherwise, check each element of the iterable *value* + # against *as_value*. + return tuple(as_value(v) for v in value) + + # Processing order + + @classmethod + def _processing_order(cls, iterable): + items = list(iterable) + random.shuffle(items) + return items + + +class GenericRdata(Rdata): + + """Generic Rdata Class + + This class is used for rdata types for which we have no better + implementation. It implements the DNS "unknown RRs" scheme. + """ + + __slots__ = ['data'] + + def __init__(self, rdclass, rdtype, data): + super().__init__(rdclass, rdtype) + object.__setattr__(self, 'data', data) + + def to_text(self, origin=None, relativize=True, **kw): + return r'\# %d ' % len(self.data) + _hexify(self.data, **kw) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + token = tok.get() + if not token.is_identifier() or token.value != r'\#': + raise dns.exception.SyntaxError( + r'generic rdata does not start with \#') + length = tok.get_int() + hex = tok.concatenate_remaining_identifiers().encode() + data = binascii.unhexlify(hex) + if len(data) != length: + raise dns.exception.SyntaxError( + 'generic rdata hex data has wrong length') + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.data) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + return cls(rdclass, rdtype, parser.get_remaining()) + +_rdata_classes = {} +_module_prefix = 'dns.rdtypes' + +def get_rdata_class(rdclass, rdtype): + cls = _rdata_classes.get((rdclass, rdtype)) + if not cls: + cls = _rdata_classes.get((dns.rdatatype.ANY, rdtype)) + if not cls: + rdclass_text = dns.rdataclass.to_text(rdclass) + rdtype_text = dns.rdatatype.to_text(rdtype) + rdtype_text = rdtype_text.replace('-', '_') + try: + mod = import_module('.'.join([_module_prefix, + rdclass_text, rdtype_text])) + cls = getattr(mod, rdtype_text) + _rdata_classes[(rdclass, rdtype)] = cls + except ImportError: + try: + mod = import_module('.'.join([_module_prefix, + 'ANY', rdtype_text])) + cls = getattr(mod, rdtype_text) + _rdata_classes[(dns.rdataclass.ANY, rdtype)] = cls + _rdata_classes[(rdclass, rdtype)] = cls + except ImportError: + pass + if not cls: + cls = GenericRdata + _rdata_classes[(rdclass, rdtype)] = cls + return cls + + +def from_text(rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None, idna_codec=None): + """Build an rdata object from text format. + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_text() class method is called + with the parameters to this function. + + If *tok* is a ``str``, then a tokenizer is created and the string + is used as its input. + + *rdclass*, an ``int``, the rdataclass. + + *rdtype*, an ``int``, the rdatatype. + + *tok*, a ``dns.tokenizer.Tokenizer`` or a ``str``. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use if a tokenizer needs to be created. If + ``None``, the default IDNA 2003 encoder/decoder is used. If a + tokenizer is not created, then the codec associated with the tokenizer + is the one that is used. + + Returns an instance of the chosen Rdata subclass. + + """ + if isinstance(tok, str): + tok = dns.tokenizer.Tokenizer(tok, idna_codec=idna_codec) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + cls = get_rdata_class(rdclass, rdtype) + with dns.exception.ExceptionWrapper(dns.exception.SyntaxError): + rdata = None + if cls != GenericRdata: + # peek at first token + token = tok.get() + tok.unget(token) + if token.is_identifier() and \ + token.value == r'\#': + # + # Known type using the generic syntax. Extract the + # wire form from the generic syntax, and then run + # from_wire on it. + # + grdata = GenericRdata.from_text(rdclass, rdtype, tok, origin, + relativize, relativize_to) + rdata = from_wire(rdclass, rdtype, grdata.data, 0, + len(grdata.data), origin) + # + # If this comparison isn't equal, then there must have been + # compressed names in the wire format, which is an error, + # there being no reasonable context to decompress with. + # + rwire = rdata.to_wire() + if rwire != grdata.data: + raise dns.exception.SyntaxError('compressed data in ' + 'generic syntax form ' + 'of known rdatatype') + if rdata is None: + rdata = cls.from_text(rdclass, rdtype, tok, origin, relativize, + relativize_to) + token = tok.get_eol_as_token() + if token.comment is not None: + object.__setattr__(rdata, 'rdcomment', token.comment) + return rdata + + +def from_wire_parser(rdclass, rdtype, parser, origin=None): + """Build an rdata object from wire format + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_wire() class method is called + with the parameters to this function. + + *rdclass*, an ``int``, the rdataclass. + + *rdtype*, an ``int``, the rdatatype. + + *parser*, a ``dns.wire.Parser``, the parser, which should be + restricted to the rdata length. + + *origin*, a ``dns.name.Name`` (or ``None``). If not ``None``, + then names will be relativized to this origin. + + Returns an instance of the chosen Rdata subclass. + """ + + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + cls = get_rdata_class(rdclass, rdtype) + with dns.exception.ExceptionWrapper(dns.exception.FormError): + return cls.from_wire_parser(rdclass, rdtype, parser, origin) + + +def from_wire(rdclass, rdtype, wire, current, rdlen, origin=None): + """Build an rdata object from wire format + + This function attempts to dynamically load a class which + implements the specified rdata class and type. If there is no + class-and-type-specific implementation, the GenericRdata class + is used. + + Once a class is chosen, its from_wire() class method is called + with the parameters to this function. + + *rdclass*, an ``int``, the rdataclass. + + *rdtype*, an ``int``, the rdatatype. + + *wire*, a ``bytes``, the wire-format message. + + *current*, an ``int``, the offset in wire of the beginning of + the rdata. + + *rdlen*, an ``int``, the length of the wire-format rdata + + *origin*, a ``dns.name.Name`` (or ``None``). If not ``None``, + then names will be relativized to this origin. + + Returns an instance of the chosen Rdata subclass. + """ + parser = dns.wire.Parser(wire, current) + with parser.restrict_to(rdlen): + return from_wire_parser(rdclass, rdtype, parser, origin) + + +class RdatatypeExists(dns.exception.DNSException): + """DNS rdatatype already exists.""" + supp_kwargs = {'rdclass', 'rdtype'} + fmt = "The rdata type with class {rdclass} and rdtype {rdtype} " + \ + "already exists." + + +def register_type(implementation, rdtype, rdtype_text, is_singleton=False, + rdclass=dns.rdataclass.IN): + """Dynamically register a module to handle an rdatatype. + + *implementation*, a module implementing the type in the usual dnspython + way. + + *rdtype*, an ``int``, the rdatatype to register. + + *rdtype_text*, a ``str``, the textual form of the rdatatype. + + *is_singleton*, a ``bool``, indicating if the type is a singleton (i.e. + RRsets of the type can have only one member.) + + *rdclass*, the rdataclass of the type, or ``dns.rdataclass.ANY`` if + it applies to all classes. + """ + + existing_cls = get_rdata_class(rdclass, rdtype) + if existing_cls != GenericRdata or dns.rdatatype.is_metatype(rdtype): + raise RdatatypeExists(rdclass=rdclass, rdtype=rdtype) + try: + if dns.rdatatype.RdataType(rdtype).name != rdtype_text: + raise RdatatypeExists(rdclass=rdclass, rdtype=rdtype) + except ValueError: + pass + _rdata_classes[(rdclass, rdtype)] = getattr(implementation, + rdtype_text.replace('-', '_')) + dns.rdatatype.register_type(rdtype, rdtype_text, is_singleton) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdataclass.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdataclass.py new file mode 100644 index 0000000..41bba69 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdataclass.py @@ -0,0 +1,115 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Rdata Classes.""" + +import dns.enum +import dns.exception + +class RdataClass(dns.enum.IntEnum): + """DNS Rdata Class""" + RESERVED0 = 0 + IN = 1 + INTERNET = IN + CH = 3 + CHAOS = CH + HS = 4 + HESIOD = HS + NONE = 254 + ANY = 255 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "class" + + @classmethod + def _prefix(cls): + return "CLASS" + + @classmethod + def _unknown_exception_class(cls): + return UnknownRdataclass + + +_metaclasses = {RdataClass.NONE, RdataClass.ANY} + + +class UnknownRdataclass(dns.exception.DNSException): + """A DNS class is unknown.""" + + +def from_text(text): + """Convert text into a DNS rdata class value. + + The input text can be a defined DNS RR class mnemonic or + instance of the DNS generic class syntax. + + For example, "IN" and "CLASS1" will both result in a value of 1. + + Raises ``dns.rdatatype.UnknownRdataclass`` if the class is unknown. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns an ``int``. + """ + + return RdataClass.from_text(text) + + +def to_text(value): + """Convert a DNS rdata class value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic class syntax will be used. + + Raises ``ValueError`` if the rdata class value is not >= 0 and <= 65535. + + Returns a ``str``. + """ + + return RdataClass.to_text(value) + + +def is_metaclass(rdclass): + """True if the specified class is a metaclass. + + The currently defined metaclasses are ANY and NONE. + + *rdclass* is an ``int``. + """ + + if rdclass in _metaclasses: + return True + return False + +### BEGIN generated RdataClass constants + +RESERVED0 = RdataClass.RESERVED0 +IN = RdataClass.IN +INTERNET = RdataClass.INTERNET +CH = RdataClass.CH +CHAOS = RdataClass.CHAOS +HS = RdataClass.HS +HESIOD = RdataClass.HESIOD +NONE = RdataClass.NONE +ANY = RdataClass.ANY + +### END generated RdataClass constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdataset.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdataset.py new file mode 100644 index 0000000..e69ee23 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdataset.py @@ -0,0 +1,456 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdatasets (an rdataset is a set of rdatas of a given type and class)""" + +import io +import random +import struct + +import dns.exception +import dns.immutable +import dns.rdatatype +import dns.rdataclass +import dns.rdata +import dns.set + +# define SimpleSet here for backwards compatibility +SimpleSet = dns.set.Set + + +class DifferingCovers(dns.exception.DNSException): + """An attempt was made to add a DNS SIG/RRSIG whose covered type + is not the same as that of the other rdatas in the rdataset.""" + + +class IncompatibleTypes(dns.exception.DNSException): + """An attempt was made to add DNS RR data of an incompatible type.""" + + +class Rdataset(dns.set.Set): + + """A DNS rdataset.""" + + __slots__ = ['rdclass', 'rdtype', 'covers', 'ttl'] + + def __init__(self, rdclass, rdtype, covers=dns.rdatatype.NONE, ttl=0): + """Create a new rdataset of the specified class and type. + + *rdclass*, an ``int``, the rdataclass. + + *rdtype*, an ``int``, the rdatatype. + + *covers*, an ``int``, the covered rdatatype. + + *ttl*, an ``int``, the TTL. + """ + + super().__init__() + self.rdclass = rdclass + self.rdtype = rdtype + self.covers = covers + self.ttl = ttl + + def _clone(self): + obj = super()._clone() + obj.rdclass = self.rdclass + obj.rdtype = self.rdtype + obj.covers = self.covers + obj.ttl = self.ttl + return obj + + def update_ttl(self, ttl): + """Perform TTL minimization. + + Set the TTL of the rdataset to be the lesser of the set's current + TTL or the specified TTL. If the set contains no rdatas, set the TTL + to the specified TTL. + + *ttl*, an ``int`` or ``str``. + """ + ttl = dns.ttl.make(ttl) + if len(self) == 0: + self.ttl = ttl + elif ttl < self.ttl: + self.ttl = ttl + + def add(self, rd, ttl=None): # pylint: disable=arguments-differ + """Add the specified rdata to the rdataset. + + If the optional *ttl* parameter is supplied, then + ``self.update_ttl(ttl)`` will be called prior to adding the rdata. + + *rd*, a ``dns.rdata.Rdata``, the rdata + + *ttl*, an ``int``, the TTL. + + Raises ``dns.rdataset.IncompatibleTypes`` if the type and class + do not match the type and class of the rdataset. + + Raises ``dns.rdataset.DifferingCovers`` if the type is a signature + type and the covered type does not match that of the rdataset. + """ + + # + # If we're adding a signature, do some special handling to + # check that the signature covers the same type as the + # other rdatas in this rdataset. If this is the first rdata + # in the set, initialize the covers field. + # + if self.rdclass != rd.rdclass or self.rdtype != rd.rdtype: + raise IncompatibleTypes + if ttl is not None: + self.update_ttl(ttl) + if self.rdtype == dns.rdatatype.RRSIG or \ + self.rdtype == dns.rdatatype.SIG: + covers = rd.covers() + if len(self) == 0 and self.covers == dns.rdatatype.NONE: + self.covers = covers + elif self.covers != covers: + raise DifferingCovers + if dns.rdatatype.is_singleton(rd.rdtype) and len(self) > 0: + self.clear() + super().add(rd) + + def union_update(self, other): + self.update_ttl(other.ttl) + super().union_update(other) + + def intersection_update(self, other): + self.update_ttl(other.ttl) + super().intersection_update(other) + + def update(self, other): + """Add all rdatas in other to self. + + *other*, a ``dns.rdataset.Rdataset``, the rdataset from which + to update. + """ + + self.update_ttl(other.ttl) + super().update(other) + + def _rdata_repr(self): + def maybe_truncate(s): + if len(s) > 100: + return s[:100] + '...' + return s + return '[%s]' % ', '.join('<%s>' % maybe_truncate(str(rr)) + for rr in self) + + def __repr__(self): + if self.covers == 0: + ctext = '' + else: + ctext = '(' + dns.rdatatype.to_text(self.covers) + ')' + return '' + + def __str__(self): + return self.to_text() + + def __eq__(self, other): + if not isinstance(other, Rdataset): + return False + if self.rdclass != other.rdclass or \ + self.rdtype != other.rdtype or \ + self.covers != other.covers: + return False + return super().__eq__(other) + + def __ne__(self, other): + return not self.__eq__(other) + + def to_text(self, name=None, origin=None, relativize=True, + override_rdclass=None, want_comments=False, **kw): + """Convert the rdataset into DNS zone file format. + + See ``dns.name.Name.choose_relativity`` for more information + on how *origin* and *relativize* determine the way names + are emitted. + + Any additional keyword arguments are passed on to the rdata + ``to_text()`` method. + + *name*, a ``dns.name.Name``. If name is not ``None``, emit RRs with + *name* as the owner name. + + *origin*, a ``dns.name.Name`` or ``None``, the origin for relative + names. + + *relativize*, a ``bool``. If ``True``, names will be relativized + to *origin*. + + *override_rdclass*, a ``dns.rdataclass.RdataClass`` or ``None``. + If not ``None``, use this class instead of the Rdataset's class. + + *want_comments*, a ``bool``. If ``True``, emit comments for rdata + which have them. The default is ``False``. + """ + + if name is not None: + name = name.choose_relativity(origin, relativize) + ntext = str(name) + pad = ' ' + else: + ntext = '' + pad = '' + s = io.StringIO() + if override_rdclass is not None: + rdclass = override_rdclass + else: + rdclass = self.rdclass + if len(self) == 0: + # + # Empty rdatasets are used for the question section, and in + # some dynamic updates, so we don't need to print out the TTL + # (which is meaningless anyway). + # + s.write('{}{}{} {}\n'.format(ntext, pad, + dns.rdataclass.to_text(rdclass), + dns.rdatatype.to_text(self.rdtype))) + else: + for rd in self: + extra = '' + if want_comments: + if rd.rdcomment: + extra = f' ;{rd.rdcomment}' + s.write('%s%s%d %s %s %s%s\n' % + (ntext, pad, self.ttl, dns.rdataclass.to_text(rdclass), + dns.rdatatype.to_text(self.rdtype), + rd.to_text(origin=origin, relativize=relativize, + **kw), + extra)) + # + # We strip off the final \n for the caller's convenience in printing + # + return s.getvalue()[:-1] + + def to_wire(self, name, file, compress=None, origin=None, + override_rdclass=None, want_shuffle=True): + """Convert the rdataset to wire format. + + *name*, a ``dns.name.Name`` is the owner name to use. + + *file* is the file where the name is emitted (typically a + BytesIO file). + + *compress*, a ``dict``, is the compression table to use. If + ``None`` (the default), names will not be compressed. + + *origin* is a ``dns.name.Name`` or ``None``. If the name is + relative and origin is not ``None``, then *origin* will be appended + to it. + + *override_rdclass*, an ``int``, is used as the class instead of the + class of the rdataset. This is useful when rendering rdatasets + associated with dynamic updates. + + *want_shuffle*, a ``bool``. If ``True``, then the order of the + Rdatas within the Rdataset will be shuffled before rendering. + + Returns an ``int``, the number of records emitted. + """ + + if override_rdclass is not None: + rdclass = override_rdclass + want_shuffle = False + else: + rdclass = self.rdclass + file.seek(0, io.SEEK_END) + if len(self) == 0: + name.to_wire(file, compress, origin) + stuff = struct.pack("!HHIH", self.rdtype, rdclass, 0, 0) + file.write(stuff) + return 1 + else: + if want_shuffle: + l = list(self) + random.shuffle(l) + else: + l = self + for rd in l: + name.to_wire(file, compress, origin) + stuff = struct.pack("!HHIH", self.rdtype, rdclass, + self.ttl, 0) + file.write(stuff) + start = file.tell() + rd.to_wire(file, compress, origin) + end = file.tell() + assert end - start < 65536 + file.seek(start - 2) + stuff = struct.pack("!H", end - start) + file.write(stuff) + file.seek(0, io.SEEK_END) + return len(self) + + def match(self, rdclass, rdtype, covers): + """Returns ``True`` if this rdataset matches the specified class, + type, and covers. + """ + if self.rdclass == rdclass and \ + self.rdtype == rdtype and \ + self.covers == covers: + return True + return False + + def processing_order(self): + """Return rdatas in a valid processing order according to the type's + specification. For example, MX records are in preference order from + lowest to highest preferences, with items of the same perference + shuffled. + + For types that do not define a processing order, the rdatas are + simply shuffled. + """ + if len(self) == 0: + return [] + else: + return self[0]._processing_order(iter(self)) + + +@dns.immutable.immutable +class ImmutableRdataset(Rdataset): + + """An immutable DNS rdataset.""" + + _clone_class = Rdataset + + def __init__(self, rdataset): + """Create an immutable rdataset from the specified rdataset.""" + + super().__init__(rdataset.rdclass, rdataset.rdtype, rdataset.covers, + rdataset.ttl) + self.items = dns.immutable.Dict(rdataset.items) + + def update_ttl(self, ttl): + raise TypeError('immutable') + + def add(self, rd, ttl=None): + raise TypeError('immutable') + + def union_update(self, other): + raise TypeError('immutable') + + def intersection_update(self, other): + raise TypeError('immutable') + + def update(self, other): + raise TypeError('immutable') + + def __delitem__(self, i): + raise TypeError('immutable') + + def __ior__(self, other): + raise TypeError('immutable') + + def __iand__(self, other): + raise TypeError('immutable') + + def __iadd__(self, other): + raise TypeError('immutable') + + def __isub__(self, other): + raise TypeError('immutable') + + def clear(self): + raise TypeError('immutable') + + def __copy__(self): + return ImmutableRdataset(super().copy()) + + def copy(self): + return ImmutableRdataset(super().copy()) + + def union(self, other): + return ImmutableRdataset(super().union(other)) + + def intersection(self, other): + return ImmutableRdataset(super().intersection(other)) + + def difference(self, other): + return ImmutableRdataset(super().difference(other)) + + +def from_text_list(rdclass, rdtype, ttl, text_rdatas, idna_codec=None, + origin=None, relativize=True, relativize_to=None): + """Create an rdataset with the specified class, type, and TTL, and with + the specified list of rdatas in text format. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + r = Rdataset(rdclass, rdtype) + r.update_ttl(ttl) + for t in text_rdatas: + rd = dns.rdata.from_text(r.rdclass, r.rdtype, t, origin, relativize, + relativize_to, idna_codec) + r.add(rd) + return r + + +def from_text(rdclass, rdtype, ttl, *text_rdatas): + """Create an rdataset with the specified class, type, and TTL, and with + the specified rdatas in text format. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + return from_text_list(rdclass, rdtype, ttl, text_rdatas) + + +def from_rdata_list(ttl, rdatas): + """Create an rdataset with the specified TTL, and with + the specified list of rdata objects. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + if len(rdatas) == 0: + raise ValueError("rdata list must not be empty") + r = None + for rd in rdatas: + if r is None: + r = Rdataset(rd.rdclass, rd.rdtype) + r.update_ttl(ttl) + r.add(rd) + return r + + +def from_rdata(ttl, *rdatas): + """Create an rdataset with the specified TTL, and with + the specified rdata objects. + + Returns a ``dns.rdataset.Rdataset`` object. + """ + + return from_rdata_list(ttl, rdatas) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdatatype.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdatatype.py new file mode 100644 index 0000000..65da6d4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdatatype.py @@ -0,0 +1,303 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Rdata Types.""" + +import dns.enum +import dns.exception + +class RdataType(dns.enum.IntEnum): + """DNS Rdata Type""" + TYPE0 = 0 + NONE = 0 + A = 1 + NS = 2 + MD = 3 + MF = 4 + CNAME = 5 + SOA = 6 + MB = 7 + MG = 8 + MR = 9 + NULL = 10 + WKS = 11 + PTR = 12 + HINFO = 13 + MINFO = 14 + MX = 15 + TXT = 16 + RP = 17 + AFSDB = 18 + X25 = 19 + ISDN = 20 + RT = 21 + NSAP = 22 + NSAP_PTR = 23 + SIG = 24 + KEY = 25 + PX = 26 + GPOS = 27 + AAAA = 28 + LOC = 29 + NXT = 30 + SRV = 33 + NAPTR = 35 + KX = 36 + CERT = 37 + A6 = 38 + DNAME = 39 + OPT = 41 + APL = 42 + DS = 43 + SSHFP = 44 + IPSECKEY = 45 + RRSIG = 46 + NSEC = 47 + DNSKEY = 48 + DHCID = 49 + NSEC3 = 50 + NSEC3PARAM = 51 + TLSA = 52 + SMIMEA = 53 + HIP = 55 + NINFO = 56 + CDS = 59 + CDNSKEY = 60 + OPENPGPKEY = 61 + CSYNC = 62 + SVCB = 64 + HTTPS = 65 + SPF = 99 + UNSPEC = 103 + EUI48 = 108 + EUI64 = 109 + TKEY = 249 + TSIG = 250 + IXFR = 251 + AXFR = 252 + MAILB = 253 + MAILA = 254 + ANY = 255 + URI = 256 + CAA = 257 + AVC = 258 + AMTRELAY = 259 + TA = 32768 + DLV = 32769 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "type" + + @classmethod + def _prefix(cls): + return "TYPE" + + @classmethod + def _unknown_exception_class(cls): + return UnknownRdatatype + +_registered_by_text = {} +_registered_by_value = {} + +_metatypes = {RdataType.OPT} + +_singletons = {RdataType.SOA, RdataType.NXT, RdataType.DNAME, + RdataType.NSEC, RdataType.CNAME} + + +class UnknownRdatatype(dns.exception.DNSException): + """DNS resource record type is unknown.""" + + +def from_text(text): + """Convert text into a DNS rdata type value. + + The input text can be a defined DNS RR type mnemonic or + instance of the DNS generic type syntax. + + For example, "NS" and "TYPE2" will both result in a value of 2. + + Raises ``dns.rdatatype.UnknownRdatatype`` if the type is unknown. + + Raises ``ValueError`` if the rdata type value is not >= 0 and <= 65535. + + Returns an ``int``. + """ + + text = text.upper().replace('-', '_') + try: + return RdataType.from_text(text) + except UnknownRdatatype: + registered_type = _registered_by_text.get(text) + if registered_type: + return registered_type + raise + + +def to_text(value): + """Convert a DNS rdata type value to text. + + If the value has a known mnemonic, it will be used, otherwise the + DNS generic type syntax will be used. + + Raises ``ValueError`` if the rdata type value is not >= 0 and <= 65535. + + Returns a ``str``. + """ + + text = RdataType.to_text(value) + if text.startswith("TYPE"): + registered_text = _registered_by_value.get(value) + if registered_text: + text = registered_text + return text.replace('_', '-') + + +def is_metatype(rdtype): + """True if the specified type is a metatype. + + *rdtype* is an ``int``. + + The currently defined metatypes are TKEY, TSIG, IXFR, AXFR, MAILA, + MAILB, ANY, and OPT. + + Returns a ``bool``. + """ + + return (256 > rdtype >= 128) or rdtype in _metatypes + + +def is_singleton(rdtype): + """Is the specified type a singleton type? + + Singleton types can only have a single rdata in an rdataset, or a single + RR in an RRset. + + The currently defined singleton types are CNAME, DNAME, NSEC, NXT, and + SOA. + + *rdtype* is an ``int``. + + Returns a ``bool``. + """ + + if rdtype in _singletons: + return True + return False + +# pylint: disable=redefined-outer-name +def register_type(rdtype, rdtype_text, is_singleton=False): + """Dynamically register an rdatatype. + + *rdtype*, an ``int``, the rdatatype to register. + + *rdtype_text*, a ``str``, the textual form of the rdatatype. + + *is_singleton*, a ``bool``, indicating if the type is a singleton (i.e. + RRsets of the type can have only one member.) + """ + + _registered_by_text[rdtype_text] = rdtype + _registered_by_value[rdtype] = rdtype_text + if is_singleton: + _singletons.add(rdtype) + +### BEGIN generated RdataType constants + +TYPE0 = RdataType.TYPE0 +NONE = RdataType.NONE +A = RdataType.A +NS = RdataType.NS +MD = RdataType.MD +MF = RdataType.MF +CNAME = RdataType.CNAME +SOA = RdataType.SOA +MB = RdataType.MB +MG = RdataType.MG +MR = RdataType.MR +NULL = RdataType.NULL +WKS = RdataType.WKS +PTR = RdataType.PTR +HINFO = RdataType.HINFO +MINFO = RdataType.MINFO +MX = RdataType.MX +TXT = RdataType.TXT +RP = RdataType.RP +AFSDB = RdataType.AFSDB +X25 = RdataType.X25 +ISDN = RdataType.ISDN +RT = RdataType.RT +NSAP = RdataType.NSAP +NSAP_PTR = RdataType.NSAP_PTR +SIG = RdataType.SIG +KEY = RdataType.KEY +PX = RdataType.PX +GPOS = RdataType.GPOS +AAAA = RdataType.AAAA +LOC = RdataType.LOC +NXT = RdataType.NXT +SRV = RdataType.SRV +NAPTR = RdataType.NAPTR +KX = RdataType.KX +CERT = RdataType.CERT +A6 = RdataType.A6 +DNAME = RdataType.DNAME +OPT = RdataType.OPT +APL = RdataType.APL +DS = RdataType.DS +SSHFP = RdataType.SSHFP +IPSECKEY = RdataType.IPSECKEY +RRSIG = RdataType.RRSIG +NSEC = RdataType.NSEC +DNSKEY = RdataType.DNSKEY +DHCID = RdataType.DHCID +NSEC3 = RdataType.NSEC3 +NSEC3PARAM = RdataType.NSEC3PARAM +TLSA = RdataType.TLSA +SMIMEA = RdataType.SMIMEA +HIP = RdataType.HIP +NINFO = RdataType.NINFO +CDS = RdataType.CDS +CDNSKEY = RdataType.CDNSKEY +OPENPGPKEY = RdataType.OPENPGPKEY +CSYNC = RdataType.CSYNC +SVCB = RdataType.SVCB +HTTPS = RdataType.HTTPS +SPF = RdataType.SPF +UNSPEC = RdataType.UNSPEC +EUI48 = RdataType.EUI48 +EUI64 = RdataType.EUI64 +TKEY = RdataType.TKEY +TSIG = RdataType.TSIG +IXFR = RdataType.IXFR +AXFR = RdataType.AXFR +MAILB = RdataType.MAILB +MAILA = RdataType.MAILA +ANY = RdataType.ANY +URI = RdataType.URI +CAA = RdataType.CAA +AVC = RdataType.AVC +AMTRELAY = RdataType.AMTRELAY +TA = RdataType.TA +DLV = RdataType.DLV + +### END generated RdataType constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AFSDB.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AFSDB.py new file mode 100644 index 0000000..d7838e7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AFSDB.py @@ -0,0 +1,46 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.mxbase +import dns.immutable + + +@dns.immutable.immutable +class AFSDB(dns.rdtypes.mxbase.UncompressedDowncasingMX): + + """AFSDB record""" + + # Use the property mechanism to make "subtype" an alias for the + # "preference" attribute, and "hostname" an alias for the "exchange" + # attribute. + # + # This lets us inherit the UncompressedMX implementation but lets + # the caller use appropriate attribute names for the rdata type. + # + # We probably lose some performance vs. a cut-and-paste + # implementation, but this way we don't copy code, and that's + # good. + + @property + def subtype(self): + "the AFSDB subtype" + return self.preference + + @property + def hostname(self): + "the AFSDB hostname" + return self.exchange diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AMTRELAY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AMTRELAY.py new file mode 100644 index 0000000..9f093de --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AMTRELAY.py @@ -0,0 +1,86 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdtypes.util + + +class Relay(dns.rdtypes.util.Gateway): + name = 'AMTRELAY relay' + + @property + def relay(self): + return self.gateway + + +@dns.immutable.immutable +class AMTRELAY(dns.rdata.Rdata): + + """AMTRELAY record""" + + # see: RFC 8777 + + __slots__ = ['precedence', 'discovery_optional', 'relay_type', 'relay'] + + def __init__(self, rdclass, rdtype, precedence, discovery_optional, + relay_type, relay): + super().__init__(rdclass, rdtype) + relay = Relay(relay_type, relay) + self.precedence = self._as_uint8(precedence) + self.discovery_optional = self._as_bool(discovery_optional) + self.relay_type = relay.type + self.relay = relay.relay + + def to_text(self, origin=None, relativize=True, **kw): + relay = Relay(self.relay_type, self.relay).to_text(origin, relativize) + return '%d %d %d %s' % (self.precedence, self.discovery_optional, + self.relay_type, relay) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + precedence = tok.get_uint8() + discovery_optional = tok.get_uint8() + if discovery_optional > 1: + raise dns.exception.SyntaxError('expecting 0 or 1') + discovery_optional = bool(discovery_optional) + relay_type = tok.get_uint8() + if relay_type > 0x7f: + raise dns.exception.SyntaxError('expecting an integer <= 127') + relay = Relay.from_text(relay_type, tok, origin, relativize, + relativize_to) + return cls(rdclass, rdtype, precedence, discovery_optional, relay_type, + relay.relay) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + relay_type = self.relay_type | (self.discovery_optional << 7) + header = struct.pack("!BB", self.precedence, relay_type) + file.write(header) + Relay(self.relay_type, self.relay).to_wire(file, compress, origin, + canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (precedence, relay_type) = parser.get_struct('!BB') + discovery_optional = bool(relay_type >> 7) + relay_type &= 0x7f + relay = Relay.from_wire_parser(relay_type, parser, origin) + return cls(rdclass, rdtype, precedence, discovery_optional, relay_type, + relay.relay) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AVC.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AVC.py new file mode 100644 index 0000000..11e026d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/AVC.py @@ -0,0 +1,27 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.txtbase +import dns.immutable + + +@dns.immutable.immutable +class AVC(dns.rdtypes.txtbase.TXTBase): + + """AVC record""" + + # See: IANA dns parameters for AVC diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CAA.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CAA.py new file mode 100644 index 0000000..c86b45e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CAA.py @@ -0,0 +1,69 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class CAA(dns.rdata.Rdata): + + """CAA (Certification Authority Authorization) record""" + + # see: RFC 6844 + + __slots__ = ['flags', 'tag', 'value'] + + def __init__(self, rdclass, rdtype, flags, tag, value): + super().__init__(rdclass, rdtype) + self.flags = self._as_uint8(flags) + self.tag = self._as_bytes(tag, True, 255) + if not tag.isalnum(): + raise ValueError("tag is not alphanumeric") + self.value = self._as_bytes(value) + + def to_text(self, origin=None, relativize=True, **kw): + return '%u %s "%s"' % (self.flags, + dns.rdata._escapify(self.tag), + dns.rdata._escapify(self.value)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + flags = tok.get_uint8() + tag = tok.get_string().encode() + value = tok.get_string().encode() + return cls(rdclass, rdtype, flags, tag, value) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack('!B', self.flags)) + l = len(self.tag) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.tag) + file.write(self.value) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + flags = parser.get_uint8() + tag = parser.get_counted_bytes() + value = parser.get_remaining() + return cls(rdclass, rdtype, flags, tag, value) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDNSKEY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDNSKEY.py new file mode 100644 index 0000000..14b1941 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDNSKEY.py @@ -0,0 +1,28 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.dnskeybase +import dns.immutable + +# pylint: disable=unused-import +from dns.rdtypes.dnskeybase import SEP, REVOKE, ZONE # noqa: F401 +# pylint: enable=unused-import + +@dns.immutable.immutable +class CDNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): + + """CDNSKEY record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDS.py new file mode 100644 index 0000000..39e3556 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CDS.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.dsbase +import dns.immutable + + +@dns.immutable.immutable +class CDS(dns.rdtypes.dsbase.DSBase): + + """CDS record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CERT.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CERT.py new file mode 100644 index 0000000..5f26dde --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CERT.py @@ -0,0 +1,103 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import base64 + +import dns.exception +import dns.immutable +import dns.dnssec +import dns.rdata +import dns.tokenizer + +_ctype_by_value = { + 1: 'PKIX', + 2: 'SPKI', + 3: 'PGP', + 253: 'URI', + 254: 'OID', +} + +_ctype_by_name = { + 'PKIX': 1, + 'SPKI': 2, + 'PGP': 3, + 'URI': 253, + 'OID': 254, +} + + +def _ctype_from_text(what): + v = _ctype_by_name.get(what) + if v is not None: + return v + return int(what) + + +def _ctype_to_text(what): + v = _ctype_by_value.get(what) + if v is not None: + return v + return str(what) + + +@dns.immutable.immutable +class CERT(dns.rdata.Rdata): + + """CERT record""" + + # see RFC 2538 + + __slots__ = ['certificate_type', 'key_tag', 'algorithm', 'certificate'] + + def __init__(self, rdclass, rdtype, certificate_type, key_tag, algorithm, + certificate): + super().__init__(rdclass, rdtype) + self.certificate_type = self._as_uint16(certificate_type) + self.key_tag = self._as_uint16(key_tag) + self.algorithm = self._as_uint8(algorithm) + self.certificate = self._as_bytes(certificate) + + def to_text(self, origin=None, relativize=True, **kw): + certificate_type = _ctype_to_text(self.certificate_type) + return "%s %d %s %s" % (certificate_type, self.key_tag, + dns.dnssec.algorithm_to_text(self.algorithm), + dns.rdata._base64ify(self.certificate, **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + certificate_type = _ctype_from_text(tok.get_string()) + key_tag = tok.get_uint16() + algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) + b64 = tok.concatenate_remaining_identifiers().encode() + certificate = base64.b64decode(b64) + return cls(rdclass, rdtype, certificate_type, key_tag, + algorithm, certificate) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + prefix = struct.pack("!HHB", self.certificate_type, self.key_tag, + self.algorithm) + file.write(prefix) + file.write(self.certificate) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (certificate_type, key_tag, algorithm) = parser.get_struct("!HHB") + certificate = parser.get_remaining() + return cls(rdclass, rdtype, certificate_type, key_tag, algorithm, + certificate) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CNAME.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CNAME.py new file mode 100644 index 0000000..a4fcfa8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CNAME.py @@ -0,0 +1,29 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.nsbase +import dns.immutable + + +@dns.immutable.immutable +class CNAME(dns.rdtypes.nsbase.NSBase): + + """CNAME record + + Note: although CNAME is officially a singleton type, dnspython allows + non-singleton CNAME rdatasets because such sets have been commonly + used by BIND and other nameservers for load balancing.""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CSYNC.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CSYNC.py new file mode 100644 index 0000000..979028a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/CSYNC.py @@ -0,0 +1,68 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011, 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype +import dns.name +import dns.rdtypes.util + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = 'CSYNC' + + +@dns.immutable.immutable +class CSYNC(dns.rdata.Rdata): + + """CSYNC record""" + + __slots__ = ['serial', 'flags', 'windows'] + + def __init__(self, rdclass, rdtype, serial, flags, windows): + super().__init__(rdclass, rdtype) + self.serial = self._as_uint32(serial) + self.flags = self._as_uint16(flags) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def to_text(self, origin=None, relativize=True, **kw): + text = Bitmap(self.windows).to_text() + return '%d %d%s' % (self.serial, self.flags, text) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + serial = tok.get_uint32() + flags = tok.get_uint16() + bitmap = Bitmap.from_text(tok) + return cls(rdclass, rdtype, serial, flags, bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack('!IH', self.serial, self.flags)) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (serial, flags) = parser.get_struct("!IH") + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, serial, flags, bitmap) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DLV.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DLV.py new file mode 100644 index 0000000..947dc42 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DLV.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.dsbase +import dns.immutable + + +@dns.immutable.immutable +class DLV(dns.rdtypes.dsbase.DSBase): + + """DLV record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNAME.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNAME.py new file mode 100644 index 0000000..f4984b5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNAME.py @@ -0,0 +1,28 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.nsbase +import dns.immutable + + +@dns.immutable.immutable +class DNAME(dns.rdtypes.nsbase.UncompressedNS): + + """DNAME record""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, None, origin, canonicalize) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNSKEY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNSKEY.py new file mode 100644 index 0000000..e69a7c1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DNSKEY.py @@ -0,0 +1,28 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.dnskeybase +import dns.immutable + +# pylint: disable=unused-import +from dns.rdtypes.dnskeybase import SEP, REVOKE, ZONE # noqa: F401 +# pylint: enable=unused-import + +@dns.immutable.immutable +class DNSKEY(dns.rdtypes.dnskeybase.DNSKEYBase): + + """DNSKEY record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DS.py new file mode 100644 index 0000000..3f6c3ee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/DS.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.dsbase +import dns.immutable + + +@dns.immutable.immutable +class DS(dns.rdtypes.dsbase.DSBase): + + """DS record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI48.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI48.py new file mode 100644 index 0000000..0ab88ad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI48.py @@ -0,0 +1,31 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.euibase +import dns.immutable + + +@dns.immutable.immutable +class EUI48(dns.rdtypes.euibase.EUIBase): + + """EUI48 record""" + + # see: rfc7043.txt + + byte_len = 6 # 0123456789ab (in hex) + text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI64.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI64.py new file mode 100644 index 0000000..c42957e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/EUI64.py @@ -0,0 +1,31 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.euibase +import dns.immutable + + +@dns.immutable.immutable +class EUI64(dns.rdtypes.euibase.EUIBase): + + """EUI64 record""" + + # see: rfc7043.txt + + byte_len = 8 # 0123456789abcdef (in hex) + text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab-cd-ef diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/GPOS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/GPOS.py new file mode 100644 index 0000000..29fa8f8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/GPOS.py @@ -0,0 +1,128 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +def _validate_float_string(what): + if len(what) == 0: + raise dns.exception.FormError + if what[0] == b'-'[0] or what[0] == b'+'[0]: + what = what[1:] + if what.isdigit(): + return + try: + (left, right) = what.split(b'.') + except ValueError: + raise dns.exception.FormError + if left == b'' and right == b'': + raise dns.exception.FormError + if not left == b'' and not left.decode().isdigit(): + raise dns.exception.FormError + if not right == b'' and not right.decode().isdigit(): + raise dns.exception.FormError + + +@dns.immutable.immutable +class GPOS(dns.rdata.Rdata): + + """GPOS record""" + + # see: RFC 1712 + + __slots__ = ['latitude', 'longitude', 'altitude'] + + def __init__(self, rdclass, rdtype, latitude, longitude, altitude): + super().__init__(rdclass, rdtype) + if isinstance(latitude, float) or \ + isinstance(latitude, int): + latitude = str(latitude) + if isinstance(longitude, float) or \ + isinstance(longitude, int): + longitude = str(longitude) + if isinstance(altitude, float) or \ + isinstance(altitude, int): + altitude = str(altitude) + latitude = self._as_bytes(latitude, True, 255) + longitude = self._as_bytes(longitude, True, 255) + altitude = self._as_bytes(altitude, True, 255) + _validate_float_string(latitude) + _validate_float_string(longitude) + _validate_float_string(altitude) + self.latitude = latitude + self.longitude = longitude + self.altitude = altitude + flat = self.float_latitude + if flat < -90.0 or flat > 90.0: + raise dns.exception.FormError('bad latitude') + flong = self.float_longitude + if flong < -180.0 or flong > 180.0: + raise dns.exception.FormError('bad longitude') + + def to_text(self, origin=None, relativize=True, **kw): + return '{} {} {}'.format(self.latitude.decode(), + self.longitude.decode(), + self.altitude.decode()) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + latitude = tok.get_string() + longitude = tok.get_string() + altitude = tok.get_string() + return cls(rdclass, rdtype, latitude, longitude, altitude) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.latitude) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.latitude) + l = len(self.longitude) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.longitude) + l = len(self.altitude) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.altitude) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + latitude = parser.get_counted_bytes() + longitude = parser.get_counted_bytes() + altitude = parser.get_counted_bytes() + return cls(rdclass, rdtype, latitude, longitude, altitude) + + @property + def float_latitude(self): + "latitude as a floating point value" + return float(self.latitude) + + @property + def float_longitude(self): + "longitude as a floating point value" + return float(self.longitude) + + @property + def float_altitude(self): + "altitude as a floating point value" + return float(self.altitude) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HINFO.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HINFO.py new file mode 100644 index 0000000..cd04969 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HINFO.py @@ -0,0 +1,65 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class HINFO(dns.rdata.Rdata): + + """HINFO record""" + + # see: RFC 1035 + + __slots__ = ['cpu', 'os'] + + def __init__(self, rdclass, rdtype, cpu, os): + super().__init__(rdclass, rdtype) + self.cpu = self._as_bytes(cpu, True, 255) + self.os = self._as_bytes(os, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + return '"{}" "{}"'.format(dns.rdata._escapify(self.cpu), + dns.rdata._escapify(self.os)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + cpu = tok.get_string(max_length=255) + os = tok.get_string(max_length=255) + return cls(rdclass, rdtype, cpu, os) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.cpu) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.cpu) + l = len(self.os) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.os) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + cpu = parser.get_counted_bytes() + os = parser.get_counted_bytes() + return cls(rdclass, rdtype, cpu, os) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HIP.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HIP.py new file mode 100644 index 0000000..e887359 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/HIP.py @@ -0,0 +1,85 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2010, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import base64 +import binascii + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class HIP(dns.rdata.Rdata): + + """HIP record""" + + # see: RFC 5205 + + __slots__ = ['hit', 'algorithm', 'key', 'servers'] + + def __init__(self, rdclass, rdtype, hit, algorithm, key, servers): + super().__init__(rdclass, rdtype) + self.hit = self._as_bytes(hit, True, 255) + self.algorithm = self._as_uint8(algorithm) + self.key = self._as_bytes(key, True) + self.servers = self._as_tuple(servers, self._as_name) + + def to_text(self, origin=None, relativize=True, **kw): + hit = binascii.hexlify(self.hit).decode() + key = base64.b64encode(self.key).replace(b'\n', b'').decode() + text = '' + servers = [] + for server in self.servers: + servers.append(server.choose_relativity(origin, relativize)) + if len(servers) > 0: + text += (' ' + ' '.join((x.to_unicode() for x in servers))) + return '%u %s %s%s' % (self.algorithm, hit, key, text) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_uint8() + hit = binascii.unhexlify(tok.get_string().encode()) + key = base64.b64decode(tok.get_string().encode()) + servers = [] + for token in tok.get_remaining(): + server = tok.as_name(token, origin, relativize, relativize_to) + servers.append(server) + return cls(rdclass, rdtype, hit, algorithm, key, servers) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + lh = len(self.hit) + lk = len(self.key) + file.write(struct.pack("!BBH", lh, self.algorithm, lk)) + file.write(self.hit) + file.write(self.key) + for server in self.servers: + server.to_wire(file, None, origin, False) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (lh, algorithm, lk) = parser.get_struct('!BBH') + hit = parser.get_bytes(lh) + key = parser.get_bytes(lk) + servers = [] + while parser.remaining() > 0: + server = parser.get_name(origin) + servers.append(server) + return cls(rdclass, rdtype, hit, algorithm, key, servers) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/ISDN.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/ISDN.py new file mode 100644 index 0000000..b9a49ad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/ISDN.py @@ -0,0 +1,76 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class ISDN(dns.rdata.Rdata): + + """ISDN record""" + + # see: RFC 1183 + + __slots__ = ['address', 'subaddress'] + + def __init__(self, rdclass, rdtype, address, subaddress): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address, True, 255) + self.subaddress = self._as_bytes(subaddress, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + if self.subaddress: + return '"{}" "{}"'.format(dns.rdata._escapify(self.address), + dns.rdata._escapify(self.subaddress)) + else: + return '"%s"' % dns.rdata._escapify(self.address) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_string() + tokens = tok.get_remaining(max_tokens=1) + if len(tokens) >= 1: + subaddress = tokens[0].unescape().value + else: + subaddress = '' + return cls(rdclass, rdtype, address, subaddress) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.address) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.address) + l = len(self.subaddress) + if l > 0: + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.subaddress) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_counted_bytes() + if parser.remaining() > 0: + subaddress = parser.get_counted_bytes() + else: + subaddress = b'' + return cls(rdclass, rdtype, address, subaddress) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/LOC.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/LOC.py new file mode 100644 index 0000000..1a4ee2b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/LOC.py @@ -0,0 +1,326 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata + + +_pows = tuple(10**i for i in range(0, 11)) + +# default values are in centimeters +_default_size = 100.0 +_default_hprec = 1000000.0 +_default_vprec = 1000.0 + +# for use by from_wire() +_MAX_LATITUDE = 0x80000000 + 90 * 3600000 +_MIN_LATITUDE = 0x80000000 - 90 * 3600000 +_MAX_LONGITUDE = 0x80000000 + 180 * 3600000 +_MIN_LONGITUDE = 0x80000000 - 180 * 3600000 + + +def _exponent_of(what, desc): + if what == 0: + return 0 + exp = None + for (i, pow) in enumerate(_pows): + if what < pow: + exp = i - 1 + break + if exp is None or exp < 0: + raise dns.exception.SyntaxError("%s value out of bounds" % desc) + return exp + + +def _float_to_tuple(what): + if what < 0: + sign = -1 + what *= -1 + else: + sign = 1 + what = round(what * 3600000) # pylint: disable=round-builtin + degrees = int(what // 3600000) + what -= degrees * 3600000 + minutes = int(what // 60000) + what -= minutes * 60000 + seconds = int(what // 1000) + what -= int(seconds * 1000) + what = int(what) + return (degrees, minutes, seconds, what, sign) + + +def _tuple_to_float(what): + value = float(what[0]) + value += float(what[1]) / 60.0 + value += float(what[2]) / 3600.0 + value += float(what[3]) / 3600000.0 + return float(what[4]) * value + + +def _encode_size(what, desc): + what = int(what) + exponent = _exponent_of(what, desc) & 0xF + base = what // pow(10, exponent) & 0xF + return base * 16 + exponent + + +def _decode_size(what, desc): + exponent = what & 0x0F + if exponent > 9: + raise dns.exception.FormError("bad %s exponent" % desc) + base = (what & 0xF0) >> 4 + if base > 9: + raise dns.exception.FormError("bad %s base" % desc) + return base * pow(10, exponent) + + +def _check_coordinate_list(value, low, high): + if value[0] < low or value[0] > high: + raise ValueError(f'not in range [{low}, {high}]') + if value[1] < 0 or value[1] > 59: + raise ValueError('bad minutes value') + if value[2] < 0 or value[2] > 59: + raise ValueError('bad seconds value') + if value[3] < 0 or value[3] > 999: + raise ValueError('bad milliseconds value') + if value[4] != 1 and value[4] != -1: + raise ValueError('bad hemisphere value') + + +@dns.immutable.immutable +class LOC(dns.rdata.Rdata): + + """LOC record""" + + # see: RFC 1876 + + __slots__ = ['latitude', 'longitude', 'altitude', 'size', + 'horizontal_precision', 'vertical_precision'] + + def __init__(self, rdclass, rdtype, latitude, longitude, altitude, + size=_default_size, hprec=_default_hprec, + vprec=_default_vprec): + """Initialize a LOC record instance. + + The parameters I{latitude} and I{longitude} may be either a 4-tuple + of integers specifying (degrees, minutes, seconds, milliseconds), + or they may be floating point values specifying the number of + degrees. The other parameters are floats. Size, horizontal precision, + and vertical precision are specified in centimeters.""" + + super().__init__(rdclass, rdtype) + if isinstance(latitude, int): + latitude = float(latitude) + if isinstance(latitude, float): + latitude = _float_to_tuple(latitude) + _check_coordinate_list(latitude, -90, 90) + self.latitude = tuple(latitude) + if isinstance(longitude, int): + longitude = float(longitude) + if isinstance(longitude, float): + longitude = _float_to_tuple(longitude) + _check_coordinate_list(longitude, -180, 180) + self.longitude = tuple(longitude) + self.altitude = float(altitude) + self.size = float(size) + self.horizontal_precision = float(hprec) + self.vertical_precision = float(vprec) + + def to_text(self, origin=None, relativize=True, **kw): + if self.latitude[4] > 0: + lat_hemisphere = 'N' + else: + lat_hemisphere = 'S' + if self.longitude[4] > 0: + long_hemisphere = 'E' + else: + long_hemisphere = 'W' + text = "%d %d %d.%03d %s %d %d %d.%03d %s %0.2fm" % ( + self.latitude[0], self.latitude[1], + self.latitude[2], self.latitude[3], lat_hemisphere, + self.longitude[0], self.longitude[1], self.longitude[2], + self.longitude[3], long_hemisphere, + self.altitude / 100.0 + ) + + # do not print default values + if self.size != _default_size or \ + self.horizontal_precision != _default_hprec or \ + self.vertical_precision != _default_vprec: + text += " {:0.2f}m {:0.2f}m {:0.2f}m".format( + self.size / 100.0, self.horizontal_precision / 100.0, + self.vertical_precision / 100.0 + ) + return text + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + latitude = [0, 0, 0, 0, 1] + longitude = [0, 0, 0, 0, 1] + size = _default_size + hprec = _default_hprec + vprec = _default_vprec + + latitude[0] = tok.get_int() + t = tok.get_string() + if t.isdigit(): + latitude[1] = int(t) + t = tok.get_string() + if '.' in t: + (seconds, milliseconds) = t.split('.') + if not seconds.isdigit(): + raise dns.exception.SyntaxError( + 'bad latitude seconds value') + latitude[2] = int(seconds) + l = len(milliseconds) + if l == 0 or l > 3 or not milliseconds.isdigit(): + raise dns.exception.SyntaxError( + 'bad latitude milliseconds value') + if l == 1: + m = 100 + elif l == 2: + m = 10 + else: + m = 1 + latitude[3] = m * int(milliseconds) + t = tok.get_string() + elif t.isdigit(): + latitude[2] = int(t) + t = tok.get_string() + if t == 'S': + latitude[4] = -1 + elif t != 'N': + raise dns.exception.SyntaxError('bad latitude hemisphere value') + + longitude[0] = tok.get_int() + t = tok.get_string() + if t.isdigit(): + longitude[1] = int(t) + t = tok.get_string() + if '.' in t: + (seconds, milliseconds) = t.split('.') + if not seconds.isdigit(): + raise dns.exception.SyntaxError( + 'bad longitude seconds value') + longitude[2] = int(seconds) + l = len(milliseconds) + if l == 0 or l > 3 or not milliseconds.isdigit(): + raise dns.exception.SyntaxError( + 'bad longitude milliseconds value') + if l == 1: + m = 100 + elif l == 2: + m = 10 + else: + m = 1 + longitude[3] = m * int(milliseconds) + t = tok.get_string() + elif t.isdigit(): + longitude[2] = int(t) + t = tok.get_string() + if t == 'W': + longitude[4] = -1 + elif t != 'E': + raise dns.exception.SyntaxError('bad longitude hemisphere value') + + t = tok.get_string() + if t[-1] == 'm': + t = t[0: -1] + altitude = float(t) * 100.0 # m -> cm + + tokens = tok.get_remaining(max_tokens=3) + if len(tokens) >= 1: + value = tokens[0].unescape().value + if value[-1] == 'm': + value = value[0: -1] + size = float(value) * 100.0 # m -> cm + if len(tokens) >= 2: + value = tokens[1].unescape().value + if value[-1] == 'm': + value = value[0: -1] + hprec = float(value) * 100.0 # m -> cm + if len(tokens) >= 3: + value = tokens[2].unescape().value + if value[-1] == 'm': + value = value[0: -1] + vprec = float(value) * 100.0 # m -> cm + + # Try encoding these now so we raise if they are bad + _encode_size(size, "size") + _encode_size(hprec, "horizontal precision") + _encode_size(vprec, "vertical precision") + + return cls(rdclass, rdtype, latitude, longitude, altitude, + size, hprec, vprec) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + milliseconds = (self.latitude[0] * 3600000 + + self.latitude[1] * 60000 + + self.latitude[2] * 1000 + + self.latitude[3]) * self.latitude[4] + latitude = 0x80000000 + milliseconds + milliseconds = (self.longitude[0] * 3600000 + + self.longitude[1] * 60000 + + self.longitude[2] * 1000 + + self.longitude[3]) * self.longitude[4] + longitude = 0x80000000 + milliseconds + altitude = int(self.altitude) + 10000000 + size = _encode_size(self.size, "size") + hprec = _encode_size(self.horizontal_precision, "horizontal precision") + vprec = _encode_size(self.vertical_precision, "vertical precision") + wire = struct.pack("!BBBBIII", 0, size, hprec, vprec, latitude, + longitude, altitude) + file.write(wire) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (version, size, hprec, vprec, latitude, longitude, altitude) = \ + parser.get_struct("!BBBBIII") + if version != 0: + raise dns.exception.FormError("LOC version not zero") + if latitude < _MIN_LATITUDE or latitude > _MAX_LATITUDE: + raise dns.exception.FormError("bad latitude") + if latitude > 0x80000000: + latitude = (latitude - 0x80000000) / 3600000 + else: + latitude = -1 * (0x80000000 - latitude) / 3600000 + if longitude < _MIN_LONGITUDE or longitude > _MAX_LONGITUDE: + raise dns.exception.FormError("bad longitude") + if longitude > 0x80000000: + longitude = (longitude - 0x80000000) / 3600000 + else: + longitude = -1 * (0x80000000 - longitude) / 3600000 + altitude = float(altitude) - 10000000.0 + size = _decode_size(size, "size") + hprec = _decode_size(hprec, "horizontal precision") + vprec = _decode_size(vprec, "vertical precision") + return cls(rdclass, rdtype, latitude, longitude, altitude, + size, hprec, vprec) + + @property + def float_latitude(self): + "latitude as a floating point value" + return _tuple_to_float(self.latitude) + + @property + def float_longitude(self): + "longitude as a floating point value" + return _tuple_to_float(self.longitude) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/MX.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/MX.py new file mode 100644 index 0000000..a697ea4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/MX.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.mxbase +import dns.immutable + + +@dns.immutable.immutable +class MX(dns.rdtypes.mxbase.MXBase): + + """MX record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NINFO.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NINFO.py new file mode 100644 index 0000000..d53e967 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NINFO.py @@ -0,0 +1,27 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.txtbase +import dns.immutable + + +@dns.immutable.immutable +class NINFO(dns.rdtypes.txtbase.TXTBase): + + """NINFO record""" + + # see: draft-reid-dnsext-zs-01 diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NS.py new file mode 100644 index 0000000..a0cc232 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NS.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.nsbase +import dns.immutable + + +@dns.immutable.immutable +class NS(dns.rdtypes.nsbase.NSBase): + + """NS record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC.py new file mode 100644 index 0000000..dc31f4c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC.py @@ -0,0 +1,67 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype +import dns.name +import dns.rdtypes.util + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = 'NSEC' + + +@dns.immutable.immutable +class NSEC(dns.rdata.Rdata): + + """NSEC record""" + + __slots__ = ['next', 'windows'] + + def __init__(self, rdclass, rdtype, next, windows): + super().__init__(rdclass, rdtype) + self.next = self._as_name(next) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def to_text(self, origin=None, relativize=True, **kw): + next = self.next.choose_relativity(origin, relativize) + text = Bitmap(self.windows).to_text() + return '{}{}'.format(next, text) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + next = tok.get_name(origin, relativize, relativize_to) + windows = Bitmap.from_text(tok) + return cls(rdclass, rdtype, next, windows) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + # Note that NSEC downcasing, originally mandated by RFC 4034 + # section 6.2 was removed by RFC 6840 section 5.1. + self.next.to_wire(file, None, origin, False) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + next = parser.get_name(origin) + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, next, bitmap) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3.py new file mode 100644 index 0000000..14242bd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3.py @@ -0,0 +1,111 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import binascii +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.rdatatype +import dns.rdtypes.util + + +b32_hex_to_normal = bytes.maketrans(b'0123456789ABCDEFGHIJKLMNOPQRSTUV', + b'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567') +b32_normal_to_hex = bytes.maketrans(b'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567', + b'0123456789ABCDEFGHIJKLMNOPQRSTUV') + +# hash algorithm constants +SHA1 = 1 + +# flag constants +OPTOUT = 1 + + +@dns.immutable.immutable +class Bitmap(dns.rdtypes.util.Bitmap): + type_name = 'NSEC3' + + +@dns.immutable.immutable +class NSEC3(dns.rdata.Rdata): + + """NSEC3 record""" + + __slots__ = ['algorithm', 'flags', 'iterations', 'salt', 'next', 'windows'] + + def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt, + next, windows): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.flags = self._as_uint8(flags) + self.iterations = self._as_uint16(iterations) + self.salt = self._as_bytes(salt, True, 255) + self.next = self._as_bytes(next, True, 255) + if not isinstance(windows, Bitmap): + windows = Bitmap(windows) + self.windows = tuple(windows.windows) + + def to_text(self, origin=None, relativize=True, **kw): + next = base64.b32encode(self.next).translate( + b32_normal_to_hex).lower().decode() + if self.salt == b'': + salt = '-' + else: + salt = binascii.hexlify(self.salt).decode() + text = Bitmap(self.windows).to_text() + return '%u %u %u %s %s%s' % (self.algorithm, self.flags, + self.iterations, salt, next, text) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_uint8() + flags = tok.get_uint8() + iterations = tok.get_uint16() + salt = tok.get_string() + if salt == '-': + salt = b'' + else: + salt = binascii.unhexlify(salt.encode('ascii')) + next = tok.get_string().encode( + 'ascii').upper().translate(b32_hex_to_normal) + next = base64.b32decode(next) + bitmap = Bitmap.from_text(tok) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, + bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.salt) + file.write(struct.pack("!BBHB", self.algorithm, self.flags, + self.iterations, l)) + file.write(self.salt) + l = len(self.next) + file.write(struct.pack("!B", l)) + file.write(self.next) + Bitmap(self.windows).to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (algorithm, flags, iterations) = parser.get_struct('!BBH') + salt = parser.get_counted_bytes() + next = parser.get_counted_bytes() + bitmap = Bitmap.from_wire_parser(parser) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt, next, + bitmap) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py new file mode 100644 index 0000000..299bf6e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/NSEC3PARAM.py @@ -0,0 +1,71 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import binascii + +import dns.exception +import dns.immutable +import dns.rdata + + +@dns.immutable.immutable +class NSEC3PARAM(dns.rdata.Rdata): + + """NSEC3PARAM record""" + + __slots__ = ['algorithm', 'flags', 'iterations', 'salt'] + + def __init__(self, rdclass, rdtype, algorithm, flags, iterations, salt): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.flags = self._as_uint8(flags) + self.iterations = self._as_uint16(iterations) + self.salt = self._as_bytes(salt, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + if self.salt == b'': + salt = '-' + else: + salt = binascii.hexlify(self.salt).decode() + return '%u %u %u %s' % (self.algorithm, self.flags, self.iterations, + salt) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_uint8() + flags = tok.get_uint8() + iterations = tok.get_uint16() + salt = tok.get_string() + if salt == '-': + salt = '' + else: + salt = binascii.unhexlify(salt.encode()) + return cls(rdclass, rdtype, algorithm, flags, iterations, salt) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.salt) + file.write(struct.pack("!BBHB", self.algorithm, self.flags, + self.iterations, l)) + file.write(self.salt) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (algorithm, flags, iterations) = parser.get_struct('!BBH') + salt = parser.get_counted_bytes() + return cls(rdclass, rdtype, algorithm, flags, iterations, salt) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py new file mode 100644 index 0000000..dcfa028 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPENPGPKEY.py @@ -0,0 +1,52 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2016 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + +@dns.immutable.immutable +class OPENPGPKEY(dns.rdata.Rdata): + + """OPENPGPKEY record""" + + # see: RFC 7929 + + def __init__(self, rdclass, rdtype, key): + super().__init__(rdclass, rdtype) + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._base64ify(self.key, chunksize=None, **kw) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls(rdclass, rdtype, key) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + key = parser.get_remaining() + return cls(rdclass, rdtype, key) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPT.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPT.py new file mode 100644 index 0000000..69b8fe7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/OPT.py @@ -0,0 +1,76 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.edns +import dns.immutable +import dns.exception +import dns.rdata + + +# We don't implement from_text, and that's ok. +# pylint: disable=abstract-method + +@dns.immutable.immutable +class OPT(dns.rdata.Rdata): + + """OPT record""" + + __slots__ = ['options'] + + def __init__(self, rdclass, rdtype, options): + """Initialize an OPT rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata, + which is also the payload size. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *options*, a tuple of ``bytes`` + """ + + super().__init__(rdclass, rdtype) + def as_option(option): + if not isinstance(option, dns.edns.Option): + raise ValueError('option is not a dns.edns.option') + return option + self.options = self._as_tuple(options, as_option) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for opt in self.options: + owire = opt.to_wire() + file.write(struct.pack("!HH", opt.otype, len(owire))) + file.write(owire) + + def to_text(self, origin=None, relativize=True, **kw): + return ' '.join(opt.to_text() for opt in self.options) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + options = [] + while parser.remaining() > 0: + (otype, olen) = parser.get_struct('!HH') + with parser.restrict_to(olen): + opt = dns.edns.option_from_wire_parser(otype, parser) + options.append(opt) + return cls(rdclass, rdtype, options) + + @property + def payload(self): + "payload size" + return self.rdclass diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/PTR.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/PTR.py new file mode 100644 index 0000000..265bed0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/PTR.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.nsbase +import dns.immutable + + +@dns.immutable.immutable +class PTR(dns.rdtypes.nsbase.NSBase): + + """PTR record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RP.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RP.py new file mode 100644 index 0000000..a4e2297 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RP.py @@ -0,0 +1,58 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class RP(dns.rdata.Rdata): + + """RP record""" + + # see: RFC 1183 + + __slots__ = ['mbox', 'txt'] + + def __init__(self, rdclass, rdtype, mbox, txt): + super().__init__(rdclass, rdtype) + self.mbox = self._as_name(mbox) + self.txt = self._as_name(txt) + + def to_text(self, origin=None, relativize=True, **kw): + mbox = self.mbox.choose_relativity(origin, relativize) + txt = self.txt.choose_relativity(origin, relativize) + return "{} {}".format(str(mbox), str(txt)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + mbox = tok.get_name(origin, relativize, relativize_to) + txt = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, mbox, txt) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.mbox.to_wire(file, None, origin, canonicalize) + self.txt.to_wire(file, None, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + mbox = parser.get_name(origin) + txt = parser.get_name(origin) + return cls(rdclass, rdtype, mbox, txt) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RRSIG.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RRSIG.py new file mode 100644 index 0000000..d050ccc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RRSIG.py @@ -0,0 +1,124 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import calendar +import struct +import time + +import dns.dnssec +import dns.immutable +import dns.exception +import dns.rdata +import dns.rdatatype + + +class BadSigTime(dns.exception.DNSException): + + """Time in DNS SIG or RRSIG resource record cannot be parsed.""" + + +def sigtime_to_posixtime(what): + if len(what) <= 10 and what.isdigit(): + return int(what) + if len(what) != 14: + raise BadSigTime + year = int(what[0:4]) + month = int(what[4:6]) + day = int(what[6:8]) + hour = int(what[8:10]) + minute = int(what[10:12]) + second = int(what[12:14]) + return calendar.timegm((year, month, day, hour, minute, second, + 0, 0, 0)) + + +def posixtime_to_sigtime(what): + return time.strftime('%Y%m%d%H%M%S', time.gmtime(what)) + + +@dns.immutable.immutable +class RRSIG(dns.rdata.Rdata): + + """RRSIG record""" + + __slots__ = ['type_covered', 'algorithm', 'labels', 'original_ttl', + 'expiration', 'inception', 'key_tag', 'signer', + 'signature'] + + def __init__(self, rdclass, rdtype, type_covered, algorithm, labels, + original_ttl, expiration, inception, key_tag, signer, + signature): + super().__init__(rdclass, rdtype) + self.type_covered = self._as_rdatatype(type_covered) + self.algorithm = dns.dnssec.Algorithm.make(algorithm) + self.labels = self._as_uint8(labels) + self.original_ttl = self._as_ttl(original_ttl) + self.expiration = self._as_uint32(expiration) + self.inception = self._as_uint32(inception) + self.key_tag = self._as_uint16(key_tag) + self.signer = self._as_name(signer) + self.signature = self._as_bytes(signature) + + def covers(self): + return self.type_covered + + def to_text(self, origin=None, relativize=True, **kw): + return '%s %d %d %d %s %s %d %s %s' % ( + dns.rdatatype.to_text(self.type_covered), + self.algorithm, + self.labels, + self.original_ttl, + posixtime_to_sigtime(self.expiration), + posixtime_to_sigtime(self.inception), + self.key_tag, + self.signer.choose_relativity(origin, relativize), + dns.rdata._base64ify(self.signature, **kw) + ) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + type_covered = dns.rdatatype.from_text(tok.get_string()) + algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) + labels = tok.get_int() + original_ttl = tok.get_ttl() + expiration = sigtime_to_posixtime(tok.get_string()) + inception = sigtime_to_posixtime(tok.get_string()) + key_tag = tok.get_int() + signer = tok.get_name(origin, relativize, relativize_to) + b64 = tok.concatenate_remaining_identifiers().encode() + signature = base64.b64decode(b64) + return cls(rdclass, rdtype, type_covered, algorithm, labels, + original_ttl, expiration, inception, key_tag, signer, + signature) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack('!HBBIIIH', self.type_covered, + self.algorithm, self.labels, + self.original_ttl, self.expiration, + self.inception, self.key_tag) + file.write(header) + self.signer.to_wire(file, None, origin, canonicalize) + file.write(self.signature) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct('!HBBIIIH') + signer = parser.get_name(origin) + signature = parser.get_remaining() + return cls(rdclass, rdtype, *header, signer, signature) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RT.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RT.py new file mode 100644 index 0000000..8d9c6bd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/RT.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.mxbase +import dns.immutable + + +@dns.immutable.immutable +class RT(dns.rdtypes.mxbase.UncompressedDowncasingMX): + + """RT record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SMIMEA.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SMIMEA.py new file mode 100644 index 0000000..55d87bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SMIMEA.py @@ -0,0 +1,9 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.tlsabase + + +@dns.immutable.immutable +class SMIMEA(dns.rdtypes.tlsabase.TLSABase): + """SMIMEA record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SOA.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SOA.py new file mode 100644 index 0000000..7ce8865 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SOA.py @@ -0,0 +1,78 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class SOA(dns.rdata.Rdata): + + """SOA record""" + + # see: RFC 1035 + + __slots__ = ['mname', 'rname', 'serial', 'refresh', 'retry', 'expire', + 'minimum'] + + def __init__(self, rdclass, rdtype, mname, rname, serial, refresh, retry, + expire, minimum): + super().__init__(rdclass, rdtype) + self.mname = self._as_name(mname) + self.rname = self._as_name(rname) + self.serial = self._as_uint32(serial) + self.refresh = self._as_ttl(refresh) + self.retry = self._as_ttl(retry) + self.expire = self._as_ttl(expire) + self.minimum = self._as_ttl(minimum) + + def to_text(self, origin=None, relativize=True, **kw): + mname = self.mname.choose_relativity(origin, relativize) + rname = self.rname.choose_relativity(origin, relativize) + return '%s %s %d %d %d %d %d' % ( + mname, rname, self.serial, self.refresh, self.retry, + self.expire, self.minimum) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + mname = tok.get_name(origin, relativize, relativize_to) + rname = tok.get_name(origin, relativize, relativize_to) + serial = tok.get_uint32() + refresh = tok.get_ttl() + retry = tok.get_ttl() + expire = tok.get_ttl() + minimum = tok.get_ttl() + return cls(rdclass, rdtype, mname, rname, serial, refresh, retry, + expire, minimum) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.mname.to_wire(file, compress, origin, canonicalize) + self.rname.to_wire(file, compress, origin, canonicalize) + five_ints = struct.pack('!IIIII', self.serial, self.refresh, + self.retry, self.expire, self.minimum) + file.write(five_ints) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + mname = parser.get_name(origin) + rname = parser.get_name(origin) + return cls(rdclass, rdtype, mname, rname, *parser.get_struct('!IIIII')) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SPF.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SPF.py new file mode 100644 index 0000000..1190e0d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SPF.py @@ -0,0 +1,27 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.txtbase +import dns.immutable + + +@dns.immutable.immutable +class SPF(dns.rdtypes.txtbase.TXTBase): + + """SPF record""" + + # see: RFC 4408 diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SSHFP.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SSHFP.py new file mode 100644 index 0000000..cc03519 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/SSHFP.py @@ -0,0 +1,69 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import binascii + +import dns.rdata +import dns.immutable +import dns.rdatatype + + +@dns.immutable.immutable +class SSHFP(dns.rdata.Rdata): + + """SSHFP record""" + + # See RFC 4255 + + __slots__ = ['algorithm', 'fp_type', 'fingerprint'] + + def __init__(self, rdclass, rdtype, algorithm, fp_type, + fingerprint): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_uint8(algorithm) + self.fp_type = self._as_uint8(fp_type) + self.fingerprint = self._as_bytes(fingerprint, True) + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop('chunksize', 128) + return '%d %d %s' % (self.algorithm, + self.fp_type, + dns.rdata._hexify(self.fingerprint, + chunksize=chunksize, + **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_uint8() + fp_type = tok.get_uint8() + fingerprint = tok.concatenate_remaining_identifiers().encode() + fingerprint = binascii.unhexlify(fingerprint) + return cls(rdclass, rdtype, algorithm, fp_type, fingerprint) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BB", self.algorithm, self.fp_type) + file.write(header) + file.write(self.fingerprint) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("BB") + fingerprint = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], fingerprint) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TKEY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TKEY.py new file mode 100644 index 0000000..f8c4737 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TKEY.py @@ -0,0 +1,118 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.dnssec +import dns.immutable +import dns.exception +import dns.rdata + + +@dns.immutable.immutable +class TKEY(dns.rdata.Rdata): + + """TKEY Record""" + + __slots__ = ['algorithm', 'inception', 'expiration', 'mode', 'error', + 'key', 'other'] + + def __init__(self, rdclass, rdtype, algorithm, inception, expiration, + mode, error, key, other=b''): + super().__init__(rdclass, rdtype) + self.algorithm = self._as_name(algorithm) + self.inception = self._as_uint32(inception) + self.expiration = self._as_uint32(expiration) + self.mode = self._as_uint16(mode) + self.error = self._as_uint16(error) + self.key = self._as_bytes(key) + self.other = self._as_bytes(other) + + def to_text(self, origin=None, relativize=True, **kw): + _algorithm = self.algorithm.choose_relativity(origin, relativize) + text = '%s %u %u %u %u %s' % (str(_algorithm), self.inception, + self.expiration, self.mode, self.error, + dns.rdata._base64ify(self.key, 0)) + if len(self.other) > 0: + text += ' %s' % (dns.rdata._base64ify(self.other, 0)) + + return text + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_name(relativize=False) + inception = tok.get_uint32() + expiration = tok.get_uint32() + mode = tok.get_uint16() + error = tok.get_uint16() + key_b64 = tok.get_string().encode() + key = base64.b64decode(key_b64) + other_b64 = tok.concatenate_remaining_identifiers().encode() + other = base64.b64decode(other_b64) + + return cls(rdclass, rdtype, algorithm, inception, expiration, mode, + error, key, other) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.algorithm.to_wire(file, compress, origin) + file.write(struct.pack("!IIHH", self.inception, self.expiration, + self.mode, self.error)) + file.write(struct.pack("!H", len(self.key))) + file.write(self.key) + file.write(struct.pack("!H", len(self.other))) + if len(self.other) > 0: + file.write(self.other) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + algorithm = parser.get_name(origin) + inception, expiration, mode, error = parser.get_struct("!IIHH") + key = parser.get_counted_bytes(2) + other = parser.get_counted_bytes(2) + + return cls(rdclass, rdtype, algorithm, inception, expiration, mode, + error, key, other) + + # Constants for the mode field - from RFC 2930: + # 2.5 The Mode Field + # + # The mode field specifies the general scheme for key agreement or + # the purpose of the TKEY DNS message. Servers and resolvers + # supporting this specification MUST implement the Diffie-Hellman key + # agreement mode and the key deletion mode for queries. All other + # modes are OPTIONAL. A server supporting TKEY that receives a TKEY + # request with a mode it does not support returns the BADMODE error. + # The following values of the Mode octet are defined, available, or + # reserved: + # + # Value Description + # ----- ----------- + # 0 - reserved, see section 7 + # 1 server assignment + # 2 Diffie-Hellman exchange + # 3 GSS-API negotiation + # 4 resolver assignment + # 5 key deletion + # 6-65534 - available, see section 7 + # 65535 - reserved, see section 7 + SERVER_ASSIGNMENT = 1 + DIFFIE_HELLMAN_EXCHANGE = 2 + GSSAPI_NEGOTIATION = 3 + RESOLVER_ASSIGNMENT = 4 + KEY_DELETION = 5 diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TLSA.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TLSA.py new file mode 100644 index 0000000..c9ba199 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TLSA.py @@ -0,0 +1,10 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.immutable +import dns.rdtypes.tlsabase + + +@dns.immutable.immutable +class TLSA(dns.rdtypes.tlsabase.TLSABase): + + """TLSA record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TSIG.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TSIG.py new file mode 100644 index 0000000..b43a78f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TSIG.py @@ -0,0 +1,120 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import struct + +import dns.exception +import dns.immutable +import dns.rcode +import dns.rdata + + +@dns.immutable.immutable +class TSIG(dns.rdata.Rdata): + + """TSIG record""" + + __slots__ = ['algorithm', 'time_signed', 'fudge', 'mac', + 'original_id', 'error', 'other'] + + def __init__(self, rdclass, rdtype, algorithm, time_signed, fudge, mac, + original_id, error, other): + """Initialize a TSIG rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *algorithm*, a ``dns.name.Name``. + + *time_signed*, an ``int``. + + *fudge*, an ``int`. + + *mac*, a ``bytes`` + + *original_id*, an ``int`` + + *error*, an ``int`` + + *other*, a ``bytes`` + """ + + super().__init__(rdclass, rdtype) + self.algorithm = self._as_name(algorithm) + self.time_signed = self._as_uint48(time_signed) + self.fudge = self._as_uint16(fudge) + self.mac = self._as_bytes(mac) + self.original_id = self._as_uint16(original_id) + self.error = dns.rcode.Rcode.make(error) + self.other = self._as_bytes(other) + + def to_text(self, origin=None, relativize=True, **kw): + algorithm = self.algorithm.choose_relativity(origin, relativize) + error = dns.rcode.to_text(self.error, True) + text = f"{algorithm} {self.time_signed} {self.fudge} " + \ + f"{len(self.mac)} {dns.rdata._base64ify(self.mac, 0)} " + \ + f"{self.original_id} {error} {len(self.other)}" + if self.other: + text += f" {dns.rdata._base64ify(self.other, 0)}" + return text + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + algorithm = tok.get_name(relativize=False) + time_signed = tok.get_uint48() + fudge = tok.get_uint16() + mac_len = tok.get_uint16() + mac = base64.b64decode(tok.get_string()) + if len(mac) != mac_len: + raise SyntaxError('invalid MAC') + original_id = tok.get_uint16() + error = dns.rcode.from_text(tok.get_string()) + other_len = tok.get_uint16() + if other_len > 0: + other = base64.b64decode(tok.get_string()) + if len(other) != other_len: + raise SyntaxError('invalid other data') + else: + other = b'' + return cls(rdclass, rdtype, algorithm, time_signed, fudge, mac, + original_id, error, other) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.algorithm.to_wire(file, None, origin, False) + file.write(struct.pack('!HIHH', + (self.time_signed >> 32) & 0xffff, + self.time_signed & 0xffffffff, + self.fudge, + len(self.mac))) + file.write(self.mac) + file.write(struct.pack('!HHH', self.original_id, self.error, + len(self.other))) + file.write(self.other) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + algorithm = parser.get_name() + time_signed = parser.get_uint48() + fudge = parser.get_uint16() + mac = parser.get_counted_bytes(2) + (original_id, error) = parser.get_struct('!HH') + other = parser.get_counted_bytes(2) + return cls(rdclass, rdtype, algorithm, time_signed, fudge, mac, + original_id, error, other) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TXT.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TXT.py new file mode 100644 index 0000000..cc4b661 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/TXT.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.txtbase +import dns.immutable + + +@dns.immutable.immutable +class TXT(dns.rdtypes.txtbase.TXTBase): + + """TXT record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/URI.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/URI.py new file mode 100644 index 0000000..ccbd2ce --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/URI.py @@ -0,0 +1,79 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# Copyright (C) 2015 Red Hat, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class URI(dns.rdata.Rdata): + + """URI record""" + + # see RFC 7553 + + __slots__ = ['priority', 'weight', 'target'] + + def __init__(self, rdclass, rdtype, priority, weight, target): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.weight = self._as_uint16(weight) + self.target = self._as_bytes(target, True) + if len(self.target) == 0: + raise dns.exception.SyntaxError("URI target cannot be empty") + + def to_text(self, origin=None, relativize=True, **kw): + return '%d %d "%s"' % (self.priority, self.weight, + self.target.decode()) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + priority = tok.get_uint16() + weight = tok.get_uint16() + target = tok.get().unescape() + if not (target.is_quoted_string() or target.is_identifier()): + raise dns.exception.SyntaxError("URI target must be a string") + return cls(rdclass, rdtype, priority, weight, target.value) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + two_ints = struct.pack("!HH", self.priority, self.weight) + file.write(two_ints) + file.write(self.target) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (priority, weight) = parser.get_struct('!HH') + target = parser.get_remaining() + if len(target) == 0: + raise dns.exception.FormError('URI target may not be empty') + return cls(rdclass, rdtype, priority, weight, target) + + def _processing_priority(self): + return self.priority + + def _processing_weight(self): + return self.weight + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.weighted_processing_order(iterable) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/X25.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/X25.py new file mode 100644 index 0000000..4f7230c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/X25.py @@ -0,0 +1,57 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class X25(dns.rdata.Rdata): + + """X25 record""" + + # see RFC 1183 + + __slots__ = ['address'] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address, True, 255) + + def to_text(self, origin=None, relativize=True, **kw): + return '"%s"' % dns.rdata._escapify(self.address) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_string() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + l = len(self.address) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(self.address) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_counted_bytes() + return cls(rdclass, rdtype, address) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/__init__.py new file mode 100644 index 0000000..b0ea707 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/ANY/__init__.py @@ -0,0 +1,61 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class ANY (generic) rdata type classes.""" + +__all__ = [ + 'AFSDB', + 'AVC', + 'CAA', + 'CDNSKEY', + 'CDS', + 'CERT', + 'CNAME', + 'CSYNC', + 'DLV', + 'DNAME', + 'DNSKEY', + 'DS', + 'EUI48', + 'EUI64', + 'GPOS', + 'HINFO', + 'HIP', + 'ISDN', + 'LOC', + 'MX', + 'NS', + 'NSEC', + 'NSEC3', + 'NSEC3PARAM', + 'OPENPGPKEY', + 'OPT', + 'PTR', + 'RP', + 'RRSIG', + 'RT', + 'SMIMEA', + 'SOA', + 'SPF', + 'SSHFP', + 'TKEY', + 'TLSA', + 'TSIG', + 'TXT', + 'URI', + 'X25', +] diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/A.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/A.py new file mode 100644 index 0000000..828701b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/A.py @@ -0,0 +1,58 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.rdtypes.mxbase +import dns.immutable + +@dns.immutable.immutable +class A(dns.rdata.Rdata): + + """A record for Chaosnet""" + + # domain: the domain of the address + # address: the 16-bit address + + __slots__ = ['domain', 'address'] + + def __init__(self, rdclass, rdtype, domain, address): + super().__init__(rdclass, rdtype) + self.domain = self._as_name(domain) + self.address = self._as_uint16(address) + + def to_text(self, origin=None, relativize=True, **kw): + domain = self.domain.choose_relativity(origin, relativize) + return '%s %o' % (domain, self.address) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + domain = tok.get_name(origin, relativize, relativize_to) + address = tok.get_uint16(base=8) + return cls(rdclass, rdtype, domain, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.domain.to_wire(file, compress, origin, canonicalize) + pref = struct.pack("!H", self.address) + file.write(pref) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + domain = parser.get_name(origin) + address = parser.get_uint16() + return cls(rdclass, rdtype, domain, address) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/__init__.py new file mode 100644 index 0000000..7184a73 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/CH/__init__.py @@ -0,0 +1,22 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class CH rdata type classes.""" + +__all__ = [ + 'A', +] diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/A.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/A.py new file mode 100644 index 0000000..74b591e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/A.py @@ -0,0 +1,51 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class A(dns.rdata.Rdata): + + """A record.""" + + __slots__ = ['address'] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv4_address(address) + + def to_text(self, origin=None, relativize=True, **kw): + return self.address + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_identifier() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv4.inet_aton(self.address)) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/AAAA.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/AAAA.py new file mode 100644 index 0000000..2d3ec90 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/AAAA.py @@ -0,0 +1,51 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.immutable +import dns.ipv6 +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class AAAA(dns.rdata.Rdata): + + """AAAA record.""" + + __slots__ = ['address'] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv6_address(address) + + def to_text(self, origin=None, relativize=True, **kw): + return self.address + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_identifier() + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv6.inet_aton(self.address)) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/APL.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/APL.py new file mode 100644 index 0000000..5cfdc34 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/APL.py @@ -0,0 +1,151 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii +import codecs +import struct + +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.rdata +import dns.tokenizer + +@dns.immutable.immutable +class APLItem: + + """An APL list item.""" + + __slots__ = ['family', 'negation', 'address', 'prefix'] + + def __init__(self, family, negation, address, prefix): + self.family = dns.rdata.Rdata._as_uint16(family) + self.negation = dns.rdata.Rdata._as_bool(negation) + if self.family == 1: + self.address = dns.rdata.Rdata._as_ipv4_address(address) + self.prefix = dns.rdata.Rdata._as_int(prefix, 0, 32) + elif self.family == 2: + self.address = dns.rdata.Rdata._as_ipv6_address(address) + self.prefix = dns.rdata.Rdata._as_int(prefix, 0, 128) + else: + self.address = dns.rdata.Rdata._as_bytes(address) + self.prefix = dns.rdata.Rdata._as_uint8(prefix) + + def __str__(self): + if self.negation: + return "!%d:%s/%s" % (self.family, self.address, self.prefix) + else: + return "%d:%s/%s" % (self.family, self.address, self.prefix) + + def to_wire(self, file): + if self.family == 1: + address = dns.ipv4.inet_aton(self.address) + elif self.family == 2: + address = dns.ipv6.inet_aton(self.address) + else: + address = binascii.unhexlify(self.address) + # + # Truncate least significant zero bytes. + # + last = 0 + for i in range(len(address) - 1, -1, -1): + if address[i] != 0: + last = i + 1 + break + address = address[0: last] + l = len(address) + assert l < 128 + if self.negation: + l |= 0x80 + header = struct.pack('!HBB', self.family, self.prefix, l) + file.write(header) + file.write(address) + + +@dns.immutable.immutable +class APL(dns.rdata.Rdata): + + """APL record.""" + + # see: RFC 3123 + + __slots__ = ['items'] + + def __init__(self, rdclass, rdtype, items): + super().__init__(rdclass, rdtype) + for item in items: + if not isinstance(item, APLItem): + raise ValueError('item not an APLItem') + self.items = tuple(items) + + def to_text(self, origin=None, relativize=True, **kw): + return ' '.join(map(str, self.items)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + items = [] + for token in tok.get_remaining(): + item = token.unescape().value + if item[0] == '!': + negation = True + item = item[1:] + else: + negation = False + (family, rest) = item.split(':', 1) + family = int(family) + (address, prefix) = rest.split('/', 1) + prefix = int(prefix) + item = APLItem(family, negation, address, prefix) + items.append(item) + + return cls(rdclass, rdtype, items) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for item in self.items: + item.to_wire(file) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + + items = [] + while parser.remaining() > 0: + header = parser.get_struct('!HBB') + afdlen = header[2] + if afdlen > 127: + negation = True + afdlen -= 128 + else: + negation = False + address = parser.get_bytes(afdlen) + l = len(address) + if header[0] == 1: + if l < 4: + address += b'\x00' * (4 - l) + elif header[0] == 2: + if l < 16: + address += b'\x00' * (16 - l) + else: + # + # This isn't really right according to the RFC, but it + # seems better than throwing an exception + # + address = codecs.encode(address, 'hex_codec') + item = APLItem(header[0], negation, address, header[1]) + items.append(item) + return cls(rdclass, rdtype, items) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/DHCID.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/DHCID.py new file mode 100644 index 0000000..a918598 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/DHCID.py @@ -0,0 +1,53 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 + +import dns.exception +import dns.immutable + + +@dns.immutable.immutable +class DHCID(dns.rdata.Rdata): + + """DHCID record""" + + # see: RFC 4701 + + __slots__ = ['data'] + + def __init__(self, rdclass, rdtype, data): + super().__init__(rdclass, rdtype) + self.data = self._as_bytes(data) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._base64ify(self.data, **kw) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + b64 = tok.concatenate_remaining_identifiers().encode() + data = base64.b64decode(b64) + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.data) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + data = parser.get_remaining() + return cls(rdclass, rdtype, data) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/HTTPS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/HTTPS.py new file mode 100644 index 0000000..6a67e8e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/HTTPS.py @@ -0,0 +1,8 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.rdtypes.svcbbase +import dns.immutable + +@dns.immutable.immutable +class HTTPS(dns.rdtypes.svcbbase.SVCBBase): + """HTTPS record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/IPSECKEY.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/IPSECKEY.py new file mode 100644 index 0000000..d1d3943 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/IPSECKEY.py @@ -0,0 +1,83 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import base64 + +import dns.exception +import dns.immutable +import dns.rdtypes.util + + +class Gateway(dns.rdtypes.util.Gateway): + name = 'IPSECKEY gateway' + +@dns.immutable.immutable +class IPSECKEY(dns.rdata.Rdata): + + """IPSECKEY record""" + + # see: RFC 4025 + + __slots__ = ['precedence', 'gateway_type', 'algorithm', 'gateway', 'key'] + + def __init__(self, rdclass, rdtype, precedence, gateway_type, algorithm, + gateway, key): + super().__init__(rdclass, rdtype) + gateway = Gateway(gateway_type, gateway) + self.precedence = self._as_uint8(precedence) + self.gateway_type = gateway.type + self.algorithm = self._as_uint8(algorithm) + self.gateway = gateway.gateway + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + gateway = Gateway(self.gateway_type, self.gateway).to_text(origin, + relativize) + return '%d %d %d %s %s' % (self.precedence, self.gateway_type, + self.algorithm, gateway, + dns.rdata._base64ify(self.key, **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + precedence = tok.get_uint8() + gateway_type = tok.get_uint8() + algorithm = tok.get_uint8() + gateway = Gateway.from_text(gateway_type, tok, origin, relativize, + relativize_to) + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls(rdclass, rdtype, precedence, gateway_type, algorithm, + gateway.gateway, key) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BBB", self.precedence, self.gateway_type, + self.algorithm) + file.write(header) + Gateway(self.gateway_type, self.gateway).to_wire(file, compress, + origin, canonicalize) + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct('!BBB') + gateway_type = header[1] + gateway = Gateway.from_wire_parser(gateway_type, parser, origin) + key = parser.get_remaining() + return cls(rdclass, rdtype, header[0], gateway_type, header[2], + gateway.gateway, key) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/KX.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/KX.py new file mode 100644 index 0000000..c27e921 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/KX.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.mxbase +import dns.immutable + + +@dns.immutable.immutable +class KX(dns.rdtypes.mxbase.UncompressedDowncasingMX): + + """KX record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NAPTR.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NAPTR.py new file mode 100644 index 0000000..1f072f8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NAPTR.py @@ -0,0 +1,98 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.name +import dns.rdata + + +def _write_string(file, s): + l = len(s) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(s) + + +@dns.immutable.immutable +class NAPTR(dns.rdata.Rdata): + + """NAPTR record""" + + # see: RFC 3403 + + __slots__ = ['order', 'preference', 'flags', 'service', 'regexp', + 'replacement'] + + def __init__(self, rdclass, rdtype, order, preference, flags, service, + regexp, replacement): + super().__init__(rdclass, rdtype) + self.flags = self._as_bytes(flags, True, 255) + self.service = self._as_bytes(service, True, 255) + self.regexp = self._as_bytes(regexp, True, 255) + self.order = self._as_uint16(order) + self.preference = self._as_uint16(preference) + self.replacement = self._as_name(replacement) + + def to_text(self, origin=None, relativize=True, **kw): + replacement = self.replacement.choose_relativity(origin, relativize) + return '%d %d "%s" "%s" "%s" %s' % \ + (self.order, self.preference, + dns.rdata._escapify(self.flags), + dns.rdata._escapify(self.service), + dns.rdata._escapify(self.regexp), + replacement) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + order = tok.get_uint16() + preference = tok.get_uint16() + flags = tok.get_string() + service = tok.get_string() + regexp = tok.get_string() + replacement = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, order, preference, flags, service, + regexp, replacement) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + two_ints = struct.pack("!HH", self.order, self.preference) + file.write(two_ints) + _write_string(file, self.flags) + _write_string(file, self.service) + _write_string(file, self.regexp) + self.replacement.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (order, preference) = parser.get_struct('!HH') + strings = [] + for _ in range(3): + s = parser.get_counted_bytes() + strings.append(s) + replacement = parser.get_name(origin) + return cls(rdclass, rdtype, order, preference, strings[0], strings[1], + strings[2], replacement) + + def _processing_priority(self): + return (self.order, self.preference) + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP.py new file mode 100644 index 0000000..23ae9b1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP.py @@ -0,0 +1,60 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class NSAP(dns.rdata.Rdata): + + """NSAP record.""" + + # see: RFC 1706 + + __slots__ = ['address'] + + def __init__(self, rdclass, rdtype, address): + super().__init__(rdclass, rdtype) + self.address = self._as_bytes(address) + + def to_text(self, origin=None, relativize=True, **kw): + return "0x%s" % binascii.hexlify(self.address).decode() + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_string() + if address[0:2] != '0x': + raise dns.exception.SyntaxError('string does not start with 0x') + address = address[2:].replace('.', '') + if len(address) % 2 != 0: + raise dns.exception.SyntaxError('hexstring has odd length') + address = binascii.unhexlify(address.encode()) + return cls(rdclass, rdtype, address) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.address) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_remaining() + return cls(rdclass, rdtype, address) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP_PTR.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP_PTR.py new file mode 100644 index 0000000..57dadd4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/NSAP_PTR.py @@ -0,0 +1,25 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.rdtypes.nsbase +import dns.immutable + + +@dns.immutable.immutable +class NSAP_PTR(dns.rdtypes.nsbase.UncompressedNS): + + """NSAP-PTR record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/PX.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/PX.py new file mode 100644 index 0000000..8abfb29 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/PX.py @@ -0,0 +1,72 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class PX(dns.rdata.Rdata): + + """PX record.""" + + # see: RFC 2163 + + __slots__ = ['preference', 'map822', 'mapx400'] + + def __init__(self, rdclass, rdtype, preference, map822, mapx400): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.map822 = self._as_name(map822) + self.mapx400 = self._as_name(mapx400) + + def to_text(self, origin=None, relativize=True, **kw): + map822 = self.map822.choose_relativity(origin, relativize) + mapx400 = self.mapx400.choose_relativity(origin, relativize) + return '%d %s %s' % (self.preference, map822, mapx400) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + preference = tok.get_uint16() + map822 = tok.get_name(origin, relativize, relativize_to) + mapx400 = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, preference, map822, mapx400) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + pref = struct.pack("!H", self.preference) + file.write(pref) + self.map822.to_wire(file, None, origin, canonicalize) + self.mapx400.to_wire(file, None, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + map822 = parser.get_name(origin) + mapx400 = parser.get_name(origin) + return cls(rdclass, rdtype, preference, map822, mapx400) + + def _processing_priority(self): + return self.preference + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SRV.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SRV.py new file mode 100644 index 0000000..6d9b683 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SRV.py @@ -0,0 +1,75 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class SRV(dns.rdata.Rdata): + + """SRV record""" + + # see: RFC 2782 + + __slots__ = ['priority', 'weight', 'port', 'target'] + + def __init__(self, rdclass, rdtype, priority, weight, port, target): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.weight = self._as_uint16(weight) + self.port = self._as_uint16(port) + self.target = self._as_name(target) + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + return '%d %d %d %s' % (self.priority, self.weight, self.port, + target) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + priority = tok.get_uint16() + weight = tok.get_uint16() + port = tok.get_uint16() + target = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, priority, weight, port, target) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + three_ints = struct.pack("!HHH", self.priority, self.weight, self.port) + file.write(three_ints) + self.target.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + (priority, weight, port) = parser.get_struct('!HHH') + target = parser.get_name(origin) + return cls(rdclass, rdtype, priority, weight, port, target) + + def _processing_priority(self): + return self.priority + + def _processing_weight(self): + return self.weight + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.weighted_processing_order(iterable) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SVCB.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SVCB.py new file mode 100644 index 0000000..14838e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/SVCB.py @@ -0,0 +1,8 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import dns.rdtypes.svcbbase +import dns.immutable + +@dns.immutable.immutable +class SVCB(dns.rdtypes.svcbbase.SVCBBase): + """SVCB record""" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/WKS.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/WKS.py new file mode 100644 index 0000000..0d36281 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/WKS.py @@ -0,0 +1,96 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import socket +import struct + +import dns.ipv4 +import dns.immutable +import dns.rdata + +_proto_tcp = socket.getprotobyname('tcp') +_proto_udp = socket.getprotobyname('udp') + + +@dns.immutable.immutable +class WKS(dns.rdata.Rdata): + + """WKS record""" + + # see: RFC 1035 + + __slots__ = ['address', 'protocol', 'bitmap'] + + def __init__(self, rdclass, rdtype, address, protocol, bitmap): + super().__init__(rdclass, rdtype) + self.address = self._as_ipv4_address(address) + self.protocol = self._as_uint8(protocol) + self.bitmap = self._as_bytes(bitmap) + + def to_text(self, origin=None, relativize=True, **kw): + bits = [] + for i in range(0, len(self.bitmap)): + byte = self.bitmap[i] + for j in range(0, 8): + if byte & (0x80 >> j): + bits.append(str(i * 8 + j)) + text = ' '.join(bits) + return '%s %d %s' % (self.address, self.protocol, text) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + address = tok.get_string() + protocol = tok.get_string() + if protocol.isdigit(): + protocol = int(protocol) + else: + protocol = socket.getprotobyname(protocol) + bitmap = bytearray() + for token in tok.get_remaining(): + value = token.unescape().value + if value.isdigit(): + serv = int(value) + else: + if protocol != _proto_udp and protocol != _proto_tcp: + raise NotImplementedError("protocol must be TCP or UDP") + if protocol == _proto_udp: + protocol_text = "udp" + else: + protocol_text = "tcp" + serv = socket.getservbyname(value, protocol_text) + i = serv // 8 + l = len(bitmap) + if l < i + 1: + for _ in range(l, i + 1): + bitmap.append(0) + bitmap[i] = bitmap[i] | (0x80 >> (serv % 8)) + bitmap = dns.rdata._truncate_bitmap(bitmap) + return cls(rdclass, rdtype, address, protocol, bitmap) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(dns.ipv4.inet_aton(self.address)) + protocol = struct.pack('!B', self.protocol) + file.write(protocol) + file.write(self.bitmap) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + address = parser.get_bytes(4) + protocol = parser.get_uint8() + bitmap = parser.get_remaining() + return cls(rdclass, rdtype, address, protocol, bitmap) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/__init__.py new file mode 100644 index 0000000..d7e69c9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/IN/__init__.py @@ -0,0 +1,33 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Class IN rdata type classes.""" + +__all__ = [ + 'A', + 'AAAA', + 'APL', + 'DHCID', + 'IPSECKEY', + 'KX', + 'NAPTR', + 'NSAP', + 'NSAP_PTR', + 'PX', + 'SRV', + 'WKS', +] diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/__init__.py new file mode 100644 index 0000000..c3af264 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/__init__.py @@ -0,0 +1,33 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS rdata type classes""" + +__all__ = [ + 'ANY', + 'IN', + 'CH', + 'dnskeybase', + 'dsbase', + 'euibase', + 'mxbase', + 'nsbase', + 'svcbbase', + 'tlsabase', + 'txtbase', + 'util' +] diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dnskeybase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dnskeybase.py new file mode 100644 index 0000000..788bb2b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dnskeybase.py @@ -0,0 +1,82 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2004-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import base64 +import enum +import struct + +import dns.exception +import dns.immutable +import dns.dnssec +import dns.rdata + +# wildcard import +__all__ = ["SEP", "REVOKE", "ZONE"] # noqa: F822 + +class Flag(enum.IntFlag): + SEP = 0x0001 + REVOKE = 0x0080 + ZONE = 0x0100 + + +@dns.immutable.immutable +class DNSKEYBase(dns.rdata.Rdata): + + """Base class for rdata that is like a DNSKEY record""" + + __slots__ = ['flags', 'protocol', 'algorithm', 'key'] + + def __init__(self, rdclass, rdtype, flags, protocol, algorithm, key): + super().__init__(rdclass, rdtype) + self.flags = self._as_uint16(flags) + self.protocol = self._as_uint8(protocol) + self.algorithm = dns.dnssec.Algorithm.make(algorithm) + self.key = self._as_bytes(key) + + def to_text(self, origin=None, relativize=True, **kw): + return '%d %d %d %s' % (self.flags, self.protocol, self.algorithm, + dns.rdata._base64ify(self.key, **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + flags = tok.get_uint16() + protocol = tok.get_uint8() + algorithm = tok.get_string() + b64 = tok.concatenate_remaining_identifiers().encode() + key = base64.b64decode(b64) + return cls(rdclass, rdtype, flags, protocol, algorithm, key) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!HBB", self.flags, self.protocol, self.algorithm) + file.write(header) + file.write(self.key) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct('!HBB') + key = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], + key) + +### BEGIN generated Flag constants + +SEP = Flag.SEP +REVOKE = Flag.REVOKE +ZONE = Flag.ZONE + +### END generated Flag constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dsbase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dsbase.py new file mode 100644 index 0000000..38c9548 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/dsbase.py @@ -0,0 +1,72 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2010, 2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import binascii + +import dns.dnssec +import dns.immutable +import dns.rdata +import dns.rdatatype + + +@dns.immutable.immutable +class DSBase(dns.rdata.Rdata): + + """Base class for rdata that is like a DS record""" + + __slots__ = ['key_tag', 'algorithm', 'digest_type', 'digest'] + + def __init__(self, rdclass, rdtype, key_tag, algorithm, digest_type, + digest): + super().__init__(rdclass, rdtype) + self.key_tag = self._as_uint16(key_tag) + self.algorithm = dns.dnssec.Algorithm.make(algorithm) + self.digest_type = self._as_uint8(digest_type) + self.digest = self._as_bytes(digest) + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop('chunksize', 128) + return '%d %d %d %s' % (self.key_tag, self.algorithm, + self.digest_type, + dns.rdata._hexify(self.digest, + chunksize=chunksize, + **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + key_tag = tok.get_uint16() + algorithm = tok.get_string() + digest_type = tok.get_uint8() + digest = tok.concatenate_remaining_identifiers().encode() + digest = binascii.unhexlify(digest) + return cls(rdclass, rdtype, key_tag, algorithm, digest_type, + digest) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!HBB", self.key_tag, self.algorithm, + self.digest_type) + file.write(header) + file.write(self.digest) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("!HBB") + digest = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], digest) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/euibase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/euibase.py new file mode 100644 index 0000000..60ab56d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/euibase.py @@ -0,0 +1,69 @@ +# Copyright (C) 2015 Red Hat, Inc. +# Author: Petr Spacek +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED 'AS IS' AND RED HAT DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import binascii + +import dns.rdata +import dns.immutable + + +@dns.immutable.immutable +class EUIBase(dns.rdata.Rdata): + + """EUIxx record""" + + # see: rfc7043.txt + + __slots__ = ['eui'] + # define these in subclasses + # byte_len = 6 # 0123456789ab (in hex) + # text_len = byte_len * 3 - 1 # 01-23-45-67-89-ab + + def __init__(self, rdclass, rdtype, eui): + super().__init__(rdclass, rdtype) + self.eui = self._as_bytes(eui) + if len(self.eui) != self.byte_len: + raise dns.exception.FormError('EUI%s rdata has to have %s bytes' + % (self.byte_len * 8, self.byte_len)) + + def to_text(self, origin=None, relativize=True, **kw): + return dns.rdata._hexify(self.eui, chunksize=2, **kw).replace(' ', '-') + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + text = tok.get_string() + if len(text) != cls.text_len: + raise dns.exception.SyntaxError( + 'Input text must have %s characters' % cls.text_len) + for i in range(2, cls.byte_len * 3 - 1, 3): + if text[i] != '-': + raise dns.exception.SyntaxError('Dash expected at position %s' + % i) + text = text.replace('-', '') + try: + data = binascii.unhexlify(text.encode()) + except (ValueError, TypeError) as ex: + raise dns.exception.SyntaxError('Hex decoding error: %s' % str(ex)) + return cls(rdclass, rdtype, data) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(self.eui) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + eui = parser.get_bytes(cls.byte_len) + return cls(rdclass, rdtype, eui) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/mxbase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/mxbase.py new file mode 100644 index 0000000..5641823 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/mxbase.py @@ -0,0 +1,89 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""MX-like base classes.""" + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name +import dns.rdtypes.util + + +@dns.immutable.immutable +class MXBase(dns.rdata.Rdata): + + """Base class for rdata that is like an MX record.""" + + __slots__ = ['preference', 'exchange'] + + def __init__(self, rdclass, rdtype, preference, exchange): + super().__init__(rdclass, rdtype) + self.preference = self._as_uint16(preference) + self.exchange = self._as_name(exchange) + + def to_text(self, origin=None, relativize=True, **kw): + exchange = self.exchange.choose_relativity(origin, relativize) + return '%d %s' % (self.preference, exchange) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + preference = tok.get_uint16() + exchange = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, preference, exchange) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + pref = struct.pack("!H", self.preference) + file.write(pref) + self.exchange.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + preference = parser.get_uint16() + exchange = parser.get_name(origin) + return cls(rdclass, rdtype, preference, exchange) + + def _processing_priority(self): + return self.preference + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) + + +@dns.immutable.immutable +class UncompressedMX(MXBase): + + """Base class for rdata that is like an MX record, but whose name + is not compressed when converted to DNS wire format, and whose + digestable form is not downcased.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + super()._to_wire(file, None, origin, False) + + +@dns.immutable.immutable +class UncompressedDowncasingMX(MXBase): + + """Base class for rdata that is like an MX record, but whose name + is not compressed when convert to DNS wire format.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + super()._to_wire(file, None, origin, canonicalize) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/nsbase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/nsbase.py new file mode 100644 index 0000000..b3e2550 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/nsbase.py @@ -0,0 +1,64 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""NS-like base classes.""" + +import dns.exception +import dns.immutable +import dns.rdata +import dns.name + + +@dns.immutable.immutable +class NSBase(dns.rdata.Rdata): + + """Base class for rdata that is like an NS record.""" + + __slots__ = ['target'] + + def __init__(self, rdclass, rdtype, target): + super().__init__(rdclass, rdtype) + self.target = self._as_name(target) + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + return str(target) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + target = tok.get_name(origin, relativize, relativize_to) + return cls(rdclass, rdtype, target) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, compress, origin, canonicalize) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + target = parser.get_name(origin) + return cls(rdclass, rdtype, target) + + +@dns.immutable.immutable +class UncompressedNS(NSBase): + + """Base class for rdata that is like an NS record, but whose name + is not compressed when convert to DNS wire format, and whose + digestable form is not downcased.""" + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + self.target.to_wire(file, None, origin, False) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/svcbbase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/svcbbase.py new file mode 100644 index 0000000..f757f02 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/svcbbase.py @@ -0,0 +1,543 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import base64 +import enum +import io +import struct + +import dns.enum +import dns.exception +import dns.immutable +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdata +import dns.tokenizer +import dns.wire + +# Until there is an RFC, this module is experimental and may be changed in +# incompatible ways. + + +class UnknownParamKey(dns.exception.DNSException): + """Unknown SVCB ParamKey""" + + +class ParamKey(dns.enum.IntEnum): + """SVCB ParamKey""" + + MANDATORY = 0 + ALPN = 1 + NO_DEFAULT_ALPN = 2 + PORT = 3 + IPV4HINT = 4 + ECHCONFIG = 5 + IPV6HINT = 6 + + @classmethod + def _maximum(cls): + return 65535 + + @classmethod + def _short_name(cls): + return "SVCBParamKey" + + @classmethod + def _prefix(cls): + return "KEY" + + @classmethod + def _unknown_exception_class(cls): + return UnknownParamKey + + +class Emptiness(enum.IntEnum): + NEVER = 0 + ALWAYS = 1 + ALLOWED = 2 + + +def _validate_key(key): + force_generic = False + if isinstance(key, bytes): + # We decode to latin-1 so we get 0-255 as valid and do NOT interpret + # UTF-8 sequences + key = key.decode('latin-1') + if isinstance(key, str): + if key.lower().startswith('key'): + force_generic = True + if key[3:].startswith('0') and len(key) != 4: + # key has leading zeros + raise ValueError('leading zeros in key') + key = key.replace('-', '_') + return (ParamKey.make(key), force_generic) + +def key_to_text(key): + return ParamKey.to_text(key).replace('_', '-').lower() + +# Like rdata escapify, but escapes ',' too. + +_escaped = b'",\\' + +def _escapify(qstring): + text = '' + for c in qstring: + if c in _escaped: + text += '\\' + chr(c) + elif c >= 0x20 and c < 0x7F: + text += chr(c) + else: + text += '\\%03d' % c + return text + +def _unescape(value, list_mode=False): + if value == '': + return value + items = [] + unescaped = b'' + l = len(value) + i = 0 + while i < l: + c = value[i] + i += 1 + if c == ',' and list_mode: + if len(unescaped) == 0: + raise ValueError('list item cannot be empty') + items.append(unescaped) + unescaped = b'' + continue + if c == '\\': + if i >= l: # pragma: no cover (can't happen via tokenizer get()) + raise dns.exception.UnexpectedEnd + c = value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + c = chr(codepoint) + unescaped += c.encode() + if len(unescaped) > 0: + items.append(unescaped) + else: + # This can't happen outside of list_mode because that would + # require the value parameter to the function to be empty, but + # we special case that at the beginning. + assert list_mode + raise ValueError('trailing comma') + if list_mode: + return items + else: + return items[0] + + +@dns.immutable.immutable +class Param: + """Abstract base class for SVCB parameters""" + + @classmethod + def emptiness(cls): + return Emptiness.NEVER + + +@dns.immutable.immutable +class GenericParam(Param): + """Generic SVCB parameter + """ + def __init__(self, value): + self.value = dns.rdata.Rdata._as_bytes(value, True) + + @classmethod + def emptiness(cls): + return Emptiness.ALLOWED + + @classmethod + def from_value(cls, value): + if value is None or len(value) == 0: + return None + else: + return cls(_unescape(value)) + + def to_text(self): + return '"' + _escapify(self.value) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + value = parser.get_bytes(parser.remaining()) + if len(value) == 0: + return None + else: + return cls(value) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(self.value) + + +@dns.immutable.immutable +class MandatoryParam(Param): + def __init__(self, keys): + # check for duplicates + keys = sorted([_validate_key(key)[0] for key in keys]) + prior_k = None + for k in keys: + if k == prior_k: + raise ValueError(f'duplicate key {k}') + prior_k = k + if k == ParamKey.MANDATORY: + raise ValueError('listed the mandatory key as mandatory') + self.keys = tuple(keys) + + @classmethod + def from_value(cls, value): + keys = [k.encode() for k in value.split(',')] + return cls(keys) + + def to_text(self): + return '"' + ','.join([key_to_text(key) for key in self.keys]) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + keys = [] + last_key = -1 + while parser.remaining() > 0: + key = parser.get_uint16() + if key < last_key: + raise dns.exception.FormError('manadatory keys not ascending') + last_key = key + keys.append(key) + return cls(keys) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for key in self.keys: + file.write(struct.pack('!H', key)) + + +@dns.immutable.immutable +class ALPNParam(Param): + def __init__(self, ids): + self.ids = dns.rdata.Rdata._as_tuple( + ids, lambda x: dns.rdata.Rdata._as_bytes(x, True, 255, False)) + + @classmethod + def from_value(cls, value): + return cls(_unescape(value, True)) + + def to_text(self): + return '"' + ','.join([_escapify(id) for id in self.ids]) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + ids = [] + while parser.remaining() > 0: + id = parser.get_counted_bytes() + ids.append(id) + return cls(ids) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for id in self.ids: + file.write(struct.pack('!B', len(id))) + file.write(id) + + +@dns.immutable.immutable +class NoDefaultALPNParam(Param): + # We don't ever expect to instantiate this class, but we need + # a from_value() and a from_wire_parser(), so we just return None + # from the class methods when things are OK. + + @classmethod + def emptiness(cls): + return Emptiness.ALWAYS + + @classmethod + def from_value(cls, value): + if value is None or value == '': + return None + else: + raise ValueError('no-default-alpn with non-empty value') + + def to_text(self): + raise NotImplementedError # pragma: no cover + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + if parser.remaining() != 0: + raise dns.exception.FormError + return None + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + raise NotImplementedError # pragma: no cover + + +@dns.immutable.immutable +class PortParam(Param): + def __init__(self, port): + self.port = dns.rdata.Rdata._as_uint16(port) + + @classmethod + def from_value(cls, value): + value = int(value) + return cls(value) + + def to_text(self): + return f'"{self.port}"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + port = parser.get_uint16() + return cls(port) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(struct.pack('!H', self.port)) + + +@dns.immutable.immutable +class IPv4HintParam(Param): + def __init__(self, addresses): + self.addresses = dns.rdata.Rdata._as_tuple( + addresses, dns.rdata.Rdata._as_ipv4_address) + + @classmethod + def from_value(cls, value): + addresses = value.split(',') + return cls(addresses) + + def to_text(self): + return '"' + ','.join(self.addresses) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + addresses = [] + while parser.remaining() > 0: + ip = parser.get_bytes(4) + addresses.append(dns.ipv4.inet_ntoa(ip)) + return cls(addresses) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for address in self.addresses: + file.write(dns.ipv4.inet_aton(address)) + + +@dns.immutable.immutable +class IPv6HintParam(Param): + def __init__(self, addresses): + self.addresses = dns.rdata.Rdata._as_tuple( + addresses, dns.rdata.Rdata._as_ipv6_address) + + @classmethod + def from_value(cls, value): + addresses = value.split(',') + return cls(addresses) + + def to_text(self): + return '"' + ','.join(self.addresses) + '"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + addresses = [] + while parser.remaining() > 0: + ip = parser.get_bytes(16) + addresses.append(dns.ipv6.inet_ntoa(ip)) + return cls(addresses) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + for address in self.addresses: + file.write(dns.ipv6.inet_aton(address)) + + +@dns.immutable.immutable +class ECHConfigParam(Param): + def __init__(self, echconfig): + self.echconfig = dns.rdata.Rdata._as_bytes(echconfig, True) + + @classmethod + def from_value(cls, value): + if '\\' in value: + raise ValueError('escape in ECHConfig value') + value = base64.b64decode(value.encode()) + return cls(value) + + def to_text(self): + b64 = base64.b64encode(self.echconfig).decode('ascii') + return f'"{b64}"' + + @classmethod + def from_wire_parser(cls, parser, origin=None): # pylint: disable=W0613 + value = parser.get_bytes(parser.remaining()) + return cls(value) + + def to_wire(self, file, origin=None): # pylint: disable=W0613 + file.write(self.echconfig) + + +_class_for_key = { + ParamKey.MANDATORY: MandatoryParam, + ParamKey.ALPN: ALPNParam, + ParamKey.NO_DEFAULT_ALPN: NoDefaultALPNParam, + ParamKey.PORT: PortParam, + ParamKey.IPV4HINT: IPv4HintParam, + ParamKey.ECHCONFIG: ECHConfigParam, + ParamKey.IPV6HINT: IPv6HintParam, +} + + +def _validate_and_define(params, key, value): + (key, force_generic) = _validate_key(_unescape(key)) + if key in params: + raise SyntaxError(f'duplicate key "{key}"') + cls = _class_for_key.get(key, GenericParam) + emptiness = cls.emptiness() + if value is None: + if emptiness == Emptiness.NEVER: + raise SyntaxError('value cannot be empty') + value = cls.from_value(value) + else: + if force_generic: + value = cls.from_wire_parser(dns.wire.Parser(_unescape(value))) + else: + value = cls.from_value(value) + params[key] = value + + +@dns.immutable.immutable +class SVCBBase(dns.rdata.Rdata): + + """Base class for SVCB-like records""" + + # see: draft-ietf-dnsop-svcb-https-01 + + __slots__ = ['priority', 'target', 'params'] + + def __init__(self, rdclass, rdtype, priority, target, params): + super().__init__(rdclass, rdtype) + self.priority = self._as_uint16(priority) + self.target = self._as_name(target) + for k, v in params.items(): + k = ParamKey.make(k) + if not isinstance(v, Param) and v is not None: + raise ValueError("not a Param") + self.params = dns.immutable.Dict(params) + # Make sure any paramater listed as mandatory is present in the + # record. + mandatory = params.get(ParamKey.MANDATORY) + if mandatory: + for key in mandatory.keys: + # Note we have to say "not in" as we have None as a value + # so a get() and a not None test would be wrong. + if key not in params: + raise ValueError(f'key {key} declared mandatory but not' + 'present') + + def to_text(self, origin=None, relativize=True, **kw): + target = self.target.choose_relativity(origin, relativize) + params = [] + for key in sorted(self.params.keys()): + value = self.params[key] + if value is None: + params.append(key_to_text(key)) + else: + kv = key_to_text(key) + '=' + value.to_text() + params.append(kv) + if len(params) > 0: + space = ' ' + else: + space = '' + return '%d %s%s%s' % (self.priority, target, space, ' '.join(params)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + priority = tok.get_uint16() + target = tok.get_name(origin, relativize, relativize_to) + if priority == 0: + token = tok.get() + if not token.is_eol_or_eof(): + raise SyntaxError('parameters in AliasMode') + tok.unget(token) + params = {} + while True: + token = tok.get() + if token.is_eol_or_eof(): + tok.unget(token) + break + if token.ttype != dns.tokenizer.IDENTIFIER: + raise SyntaxError('parameter is not an identifier') + equals = token.value.find('=') + if equals == len(token.value) - 1: + # 'key=', so next token should be a quoted string without + # any intervening whitespace. + key = token.value[:-1] + token = tok.get(want_leading=True) + if token.ttype != dns.tokenizer.QUOTED_STRING: + raise SyntaxError('whitespace after =') + value = token.value + elif equals > 0: + # key=value + key = token.value[:equals] + value = token.value[equals + 1:] + elif equals == 0: + # =key + raise SyntaxError('parameter cannot start with "="') + else: + # key + key = token.value + value = None + _validate_and_define(params, key, value) + return cls(rdclass, rdtype, priority, target, params) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + file.write(struct.pack("!H", self.priority)) + self.target.to_wire(file, None, origin, False) + for key in sorted(self.params): + file.write(struct.pack("!H", key)) + value = self.params[key] + # placeholder for length (or actual length of empty values) + file.write(struct.pack("!H", 0)) + if value is None: + continue + else: + start = file.tell() + value.to_wire(file, origin) + end = file.tell() + assert end - start < 65536 + file.seek(start - 2) + stuff = struct.pack("!H", end - start) + file.write(stuff) + file.seek(0, io.SEEK_END) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + priority = parser.get_uint16() + target = parser.get_name(origin) + if priority == 0 and parser.remaining() != 0: + raise dns.exception.FormError('parameters in AliasMode') + params = {} + prior_key = -1 + while parser.remaining() > 0: + key = parser.get_uint16() + if key < prior_key: + raise dns.exception.FormError('keys not in order') + prior_key = key + vlen = parser.get_uint16() + pcls = _class_for_key.get(key, GenericParam) + with parser.restrict_to(vlen): + value = pcls.from_wire_parser(parser, origin) + params[key] = value + return cls(rdclass, rdtype, priority, target, params) + + def _processing_priority(self): + return self.priority + + @classmethod + def _processing_order(cls, iterable): + return dns.rdtypes.util.priority_processing_order(iterable) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/tlsabase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/tlsabase.py new file mode 100644 index 0000000..786fca5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/tlsabase.py @@ -0,0 +1,72 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2005-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import struct +import binascii + +import dns.rdata +import dns.immutable +import dns.rdatatype + + +@dns.immutable.immutable +class TLSABase(dns.rdata.Rdata): + + """Base class for TLSA and SMIMEA records""" + + # see: RFC 6698 + + __slots__ = ['usage', 'selector', 'mtype', 'cert'] + + def __init__(self, rdclass, rdtype, usage, selector, + mtype, cert): + super().__init__(rdclass, rdtype) + self.usage = self._as_uint8(usage) + self.selector = self._as_uint8(selector) + self.mtype = self._as_uint8(mtype) + self.cert = self._as_bytes(cert) + + def to_text(self, origin=None, relativize=True, **kw): + kw = kw.copy() + chunksize = kw.pop('chunksize', 128) + return '%d %d %d %s' % (self.usage, + self.selector, + self.mtype, + dns.rdata._hexify(self.cert, + chunksize=chunksize, + **kw)) + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + usage = tok.get_uint8() + selector = tok.get_uint8() + mtype = tok.get_uint8() + cert = tok.concatenate_remaining_identifiers().encode() + cert = binascii.unhexlify(cert) + return cls(rdclass, rdtype, usage, selector, mtype, cert) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + header = struct.pack("!BBB", self.usage, self.selector, self.mtype) + file.write(header) + file.write(self.cert) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + header = parser.get_struct("BBB") + cert = parser.get_remaining() + return cls(rdclass, rdtype, header[0], header[1], header[2], cert) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/txtbase.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/txtbase.py new file mode 100644 index 0000000..68071ee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/txtbase.py @@ -0,0 +1,87 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""TXT-like base class.""" + +import struct + +import dns.exception +import dns.immutable +import dns.rdata +import dns.tokenizer + + +@dns.immutable.immutable +class TXTBase(dns.rdata.Rdata): + + """Base class for rdata that is like a TXT record (see RFC 1035).""" + + __slots__ = ['strings'] + + def __init__(self, rdclass, rdtype, strings): + """Initialize a TXT-like rdata. + + *rdclass*, an ``int`` is the rdataclass of the Rdata. + + *rdtype*, an ``int`` is the rdatatype of the Rdata. + + *strings*, a tuple of ``bytes`` + """ + super().__init__(rdclass, rdtype) + self.strings = self._as_tuple(strings, + lambda x: self._as_bytes(x, True, 255)) + + def to_text(self, origin=None, relativize=True, **kw): + txt = '' + prefix = '' + for s in self.strings: + txt += '{}"{}"'.format(prefix, dns.rdata._escapify(s)) + prefix = ' ' + return txt + + @classmethod + def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True, + relativize_to=None): + strings = [] + for token in tok.get_remaining(): + token = token.unescape_to_bytes() + # The 'if' below is always true in the current code, but we + # are leaving this check in in case things change some day. + if not (token.is_quoted_string() or + token.is_identifier()): # pragma: no cover + raise dns.exception.SyntaxError("expected a string") + if len(token.value) > 255: + raise dns.exception.SyntaxError("string too long") + strings.append(token.value) + if len(strings) == 0: + raise dns.exception.UnexpectedEnd + return cls(rdclass, rdtype, strings) + + def _to_wire(self, file, compress=None, origin=None, canonicalize=False): + for s in self.strings: + l = len(s) + assert l < 256 + file.write(struct.pack('!B', l)) + file.write(s) + + @classmethod + def from_wire_parser(cls, rdclass, rdtype, parser, origin=None): + strings = [] + while parser.remaining() > 0: + s = parser.get_counted_bytes() + strings.append(s) + return cls(rdclass, rdtype, strings) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/util.py b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/util.py new file mode 100644 index 0000000..7fc08cd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rdtypes/util.py @@ -0,0 +1,231 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import collections +import random +import struct + +import dns.exception +import dns.ipv4 +import dns.ipv6 +import dns.name +import dns.rdata + + +class Gateway: + """A helper class for the IPSECKEY gateway and AMTRELAY relay fields""" + name = "" + + def __init__(self, type, gateway=None): + self.type = dns.rdata.Rdata._as_uint8(type) + self.gateway = gateway + self._check() + + @classmethod + def _invalid_type(cls, gateway_type): + return f"invalid {cls.name} type: {gateway_type}" + + def _check(self): + if self.type == 0: + if self.gateway not in (".", None): + raise SyntaxError(f"invalid {self.name} for type 0") + self.gateway = None + elif self.type == 1: + # check that it's OK + dns.ipv4.inet_aton(self.gateway) + elif self.type == 2: + # check that it's OK + dns.ipv6.inet_aton(self.gateway) + elif self.type == 3: + if not isinstance(self.gateway, dns.name.Name): + raise SyntaxError(f"invalid {self.name}; not a name") + else: + raise SyntaxError(self._invalid_type(self.type)) + + def to_text(self, origin=None, relativize=True): + if self.type == 0: + return "." + elif self.type in (1, 2): + return self.gateway + elif self.type == 3: + return str(self.gateway.choose_relativity(origin, relativize)) + else: + raise ValueError(self._invalid_type(self.type)) # pragma: no cover + + @classmethod + def from_text(cls, gateway_type, tok, origin=None, relativize=True, + relativize_to=None): + if gateway_type in (0, 1, 2): + gateway = tok.get_string() + elif gateway_type == 3: + gateway = tok.get_name(origin, relativize, relativize_to) + else: + raise dns.exception.SyntaxError( + cls._invalid_type(gateway_type)) # pragma: no cover + return cls(gateway_type, gateway) + + # pylint: disable=unused-argument + def to_wire(self, file, compress=None, origin=None, canonicalize=False): + if self.type == 0: + pass + elif self.type == 1: + file.write(dns.ipv4.inet_aton(self.gateway)) + elif self.type == 2: + file.write(dns.ipv6.inet_aton(self.gateway)) + elif self.type == 3: + self.gateway.to_wire(file, None, origin, False) + else: + raise ValueError(self._invalid_type(self.type)) # pragma: no cover + # pylint: enable=unused-argument + + @classmethod + def from_wire_parser(cls, gateway_type, parser, origin=None): + if gateway_type == 0: + gateway = None + elif gateway_type == 1: + gateway = dns.ipv4.inet_ntoa(parser.get_bytes(4)) + elif gateway_type == 2: + gateway = dns.ipv6.inet_ntoa(parser.get_bytes(16)) + elif gateway_type == 3: + gateway = parser.get_name(origin) + else: + raise dns.exception.FormError(cls._invalid_type(gateway_type)) + return cls(gateway_type, gateway) + + +class Bitmap: + """A helper class for the NSEC/NSEC3/CSYNC type bitmaps""" + type_name = "" + + def __init__(self, windows=None): + last_window = -1 + self.windows = windows + for (window, bitmap) in self.windows: + if not isinstance(window, int): + raise ValueError(f"bad {self.type_name} window type") + if window <= last_window: + raise ValueError(f"bad {self.type_name} window order") + if window > 256: + raise ValueError(f"bad {self.type_name} window number") + last_window = window + if not isinstance(bitmap, bytes): + raise ValueError(f"bad {self.type_name} octets type") + if len(bitmap) == 0 or len(bitmap) > 32: + raise ValueError(f"bad {self.type_name} octets") + + def to_text(self): + text = "" + for (window, bitmap) in self.windows: + bits = [] + for (i, byte) in enumerate(bitmap): + for j in range(0, 8): + if byte & (0x80 >> j): + rdtype = window * 256 + i * 8 + j + bits.append(dns.rdatatype.to_text(rdtype)) + text += (' ' + ' '.join(bits)) + return text + + @classmethod + def from_text(cls, tok): + rdtypes = [] + for token in tok.get_remaining(): + rdtype = dns.rdatatype.from_text(token.unescape().value) + if rdtype == 0: + raise dns.exception.SyntaxError(f"{cls.type_name} with bit 0") + rdtypes.append(rdtype) + rdtypes.sort() + window = 0 + octets = 0 + prior_rdtype = 0 + bitmap = bytearray(b'\0' * 32) + windows = [] + for rdtype in rdtypes: + if rdtype == prior_rdtype: + continue + prior_rdtype = rdtype + new_window = rdtype // 256 + if new_window != window: + if octets != 0: + windows.append((window, bytes(bitmap[0:octets]))) + bitmap = bytearray(b'\0' * 32) + window = new_window + offset = rdtype % 256 + byte = offset // 8 + bit = offset % 8 + octets = byte + 1 + bitmap[byte] = bitmap[byte] | (0x80 >> bit) + if octets != 0: + windows.append((window, bytes(bitmap[0:octets]))) + return cls(windows) + + def to_wire(self, file): + for (window, bitmap) in self.windows: + file.write(struct.pack('!BB', window, len(bitmap))) + file.write(bitmap) + + @classmethod + def from_wire_parser(cls, parser): + windows = [] + while parser.remaining() > 0: + window = parser.get_uint8() + bitmap = parser.get_counted_bytes() + windows.append((window, bitmap)) + return cls(windows) + + +def _priority_table(items): + by_priority = collections.defaultdict(list) + for rdata in items: + by_priority[rdata._processing_priority()].append(rdata) + return by_priority + +def priority_processing_order(iterable): + items = list(iterable) + if len(items) == 1: + return items + by_priority = _priority_table(items) + ordered = [] + for k in sorted(by_priority.keys()): + rdatas = by_priority[k] + random.shuffle(rdatas) + ordered.extend(rdatas) + return ordered + +_no_weight = 0.1 + +def weighted_processing_order(iterable): + items = list(iterable) + if len(items) == 1: + return items + by_priority = _priority_table(items) + ordered = [] + for k in sorted(by_priority.keys()): + rdatas = by_priority[k] + total = sum(rdata._processing_weight() or _no_weight + for rdata in rdatas) + while len(rdatas) > 1: + r = random.uniform(0, total) + for (n, rdata) in enumerate(rdatas): + weight = rdata._processing_weight() or _no_weight + if weight > r: + break + r -= weight + total -= weight + ordered.append(rdata) + del rdatas[n] + ordered.append(rdatas[0]) + return ordered diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/renderer.py b/backend/mb-env/lib/python3.9/site-packages/dns/renderer.py new file mode 100644 index 0000000..72f0f7a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/renderer.py @@ -0,0 +1,250 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Help for building DNS wire format messages""" + +import contextlib +import io +import struct +import random +import time + +import dns.exception +import dns.tsig + + +QUESTION = 0 +ANSWER = 1 +AUTHORITY = 2 +ADDITIONAL = 3 + + +class Renderer: + """Helper class for building DNS wire-format messages. + + Most applications can use the higher-level L{dns.message.Message} + class and its to_wire() method to generate wire-format messages. + This class is for those applications which need finer control + over the generation of messages. + + Typical use:: + + r = dns.renderer.Renderer(id=1, flags=0x80, max_size=512) + r.add_question(qname, qtype, qclass) + r.add_rrset(dns.renderer.ANSWER, rrset_1) + r.add_rrset(dns.renderer.ANSWER, rrset_2) + r.add_rrset(dns.renderer.AUTHORITY, ns_rrset) + r.add_edns(0, 0, 4096) + r.add_rrset(dns.renderer.ADDTIONAL, ad_rrset_1) + r.add_rrset(dns.renderer.ADDTIONAL, ad_rrset_2) + r.write_header() + r.add_tsig(keyname, secret, 300, 1, 0, '', request_mac) + wire = r.get_wire() + + output, an io.BytesIO, where rendering is written + + id: the message id + + flags: the message flags + + max_size: the maximum size of the message + + origin: the origin to use when rendering relative names + + compress: the compression table + + section: an int, the section currently being rendered + + counts: list of the number of RRs in each section + + mac: the MAC of the rendered message (if TSIG was used) + """ + + def __init__(self, id=None, flags=0, max_size=65535, origin=None): + """Initialize a new renderer.""" + + self.output = io.BytesIO() + if id is None: + self.id = random.randint(0, 65535) + else: + self.id = id + self.flags = flags + self.max_size = max_size + self.origin = origin + self.compress = {} + self.section = QUESTION + self.counts = [0, 0, 0, 0] + self.output.write(b'\x00' * 12) + self.mac = '' + + def _rollback(self, where): + """Truncate the output buffer at offset *where*, and remove any + compression table entries that pointed beyond the truncation + point. + """ + + self.output.seek(where) + self.output.truncate() + keys_to_delete = [] + for k, v in self.compress.items(): + if v >= where: + keys_to_delete.append(k) + for k in keys_to_delete: + del self.compress[k] + + def _set_section(self, section): + """Set the renderer's current section. + + Sections must be rendered order: QUESTION, ANSWER, AUTHORITY, + ADDITIONAL. Sections may be empty. + + Raises dns.exception.FormError if an attempt was made to set + a section value less than the current section. + """ + + if self.section != section: + if self.section > section: + raise dns.exception.FormError + self.section = section + + @contextlib.contextmanager + def _track_size(self): + start = self.output.tell() + yield start + if self.output.tell() > self.max_size: + self._rollback(start) + raise dns.exception.TooBig + + def add_question(self, qname, rdtype, rdclass=dns.rdataclass.IN): + """Add a question to the message.""" + + self._set_section(QUESTION) + with self._track_size(): + qname.to_wire(self.output, self.compress, self.origin) + self.output.write(struct.pack("!HH", rdtype, rdclass)) + self.counts[QUESTION] += 1 + + def add_rrset(self, section, rrset, **kw): + """Add the rrset to the specified section. + + Any keyword arguments are passed on to the rdataset's to_wire() + routine. + """ + + self._set_section(section) + with self._track_size(): + n = rrset.to_wire(self.output, self.compress, self.origin, **kw) + self.counts[section] += n + + def add_rdataset(self, section, name, rdataset, **kw): + """Add the rdataset to the specified section, using the specified + name as the owner name. + + Any keyword arguments are passed on to the rdataset's to_wire() + routine. + """ + + self._set_section(section) + with self._track_size(): + n = rdataset.to_wire(name, self.output, self.compress, self.origin, + **kw) + self.counts[section] += n + + def add_edns(self, edns, ednsflags, payload, options=None): + """Add an EDNS OPT record to the message.""" + + # make sure the EDNS version in ednsflags agrees with edns + ednsflags &= 0xFF00FFFF + ednsflags |= (edns << 16) + opt = dns.message.Message._make_opt(ednsflags, payload, options) + self.add_rrset(ADDITIONAL, opt) + + def add_tsig(self, keyname, secret, fudge, id, tsig_error, other_data, + request_mac, algorithm=dns.tsig.default_algorithm): + """Add a TSIG signature to the message.""" + + s = self.output.getvalue() + + if isinstance(secret, dns.tsig.Key): + key = secret + else: + key = dns.tsig.Key(keyname, secret, algorithm) + tsig = dns.message.Message._make_tsig(keyname, algorithm, 0, fudge, + b'', id, tsig_error, other_data) + (tsig, _) = dns.tsig.sign(s, key, tsig[0], int(time.time()), + request_mac) + self._write_tsig(tsig, keyname) + + def add_multi_tsig(self, ctx, keyname, secret, fudge, id, tsig_error, + other_data, request_mac, + algorithm=dns.tsig.default_algorithm): + """Add a TSIG signature to the message. Unlike add_tsig(), this can be + used for a series of consecutive DNS envelopes, e.g. for a zone + transfer over TCP [RFC2845, 4.4]. + + For the first message in the sequence, give ctx=None. For each + subsequent message, give the ctx that was returned from the + add_multi_tsig() call for the previous message.""" + + s = self.output.getvalue() + + if isinstance(secret, dns.tsig.Key): + key = secret + else: + key = dns.tsig.Key(keyname, secret, algorithm) + tsig = dns.message.Message._make_tsig(keyname, algorithm, 0, fudge, + b'', id, tsig_error, other_data) + (tsig, ctx) = dns.tsig.sign(s, key, tsig[0], int(time.time()), + request_mac, ctx, True) + self._write_tsig(tsig, keyname) + return ctx + + def _write_tsig(self, tsig, keyname): + self._set_section(ADDITIONAL) + with self._track_size(): + keyname.to_wire(self.output, self.compress, self.origin) + self.output.write(struct.pack('!HHIH', dns.rdatatype.TSIG, + dns.rdataclass.ANY, 0, 0)) + rdata_start = self.output.tell() + tsig.to_wire(self.output) + + after = self.output.tell() + self.output.seek(rdata_start - 2) + self.output.write(struct.pack('!H', after - rdata_start)) + self.counts[ADDITIONAL] += 1 + self.output.seek(10) + self.output.write(struct.pack('!H', self.counts[ADDITIONAL])) + self.output.seek(0, io.SEEK_END) + + def write_header(self): + """Write the DNS message header. + + Writing the DNS message header is done after all sections + have been rendered, but before the optional TSIG signature + is added. + """ + + self.output.seek(0) + self.output.write(struct.pack('!HHHHHH', self.id, self.flags, + self.counts[0], self.counts[1], + self.counts[2], self.counts[3])) + self.output.seek(0, io.SEEK_END) + + def get_wire(self): + """Return the wire format message.""" + + return self.output.getvalue() diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/resolver.py b/backend/mb-env/lib/python3.9/site-packages/dns/resolver.py new file mode 100644 index 0000000..7bdfd91 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/resolver.py @@ -0,0 +1,1649 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS stub resolver.""" +from urllib.parse import urlparse +import contextlib +import socket +import sys +import time +import random +import warnings +try: + import threading as _threading +except ImportError: # pragma: no cover + import dummy_threading as _threading # type: ignore + +import dns.exception +import dns.flags +import dns.inet +import dns.ipv4 +import dns.ipv6 +import dns.message +import dns.name +import dns.query +import dns.rcode +import dns.rdataclass +import dns.rdatatype +import dns.reversename +import dns.tsig + +if sys.platform == 'win32': + # pylint: disable=import-error + import winreg + +class NXDOMAIN(dns.exception.DNSException): + """The DNS query name does not exist.""" + supp_kwargs = {'qnames', 'responses'} + fmt = None # we have our own __str__ implementation + + # pylint: disable=arguments-differ + + def _check_kwargs(self, qnames, + responses=None): + if not isinstance(qnames, (list, tuple, set)): + raise AttributeError("qnames must be a list, tuple or set") + if len(qnames) == 0: + raise AttributeError("qnames must contain at least one element") + if responses is None: + responses = {} + elif not isinstance(responses, dict): + raise AttributeError("responses must be a dict(qname=response)") + kwargs = dict(qnames=qnames, responses=responses) + return kwargs + + def __str__(self): + if 'qnames' not in self.kwargs: + return super().__str__() + qnames = self.kwargs['qnames'] + if len(qnames) > 1: + msg = 'None of DNS query names exist' + else: + msg = 'The DNS query name does not exist' + qnames = ', '.join(map(str, qnames)) + return "{}: {}".format(msg, qnames) + + @property + def canonical_name(self): + """Return the unresolved canonical name.""" + if 'qnames' not in self.kwargs: + raise TypeError("parametrized exception required") + for qname in self.kwargs['qnames']: + response = self.kwargs['responses'][qname] + try: + cname = response.canonical_name() + if cname != qname: + return cname + except Exception: + # We can just eat this exception as it means there was + # something wrong with the response. + pass + return self.kwargs['qnames'][0] + + def __add__(self, e_nx): + """Augment by results from another NXDOMAIN exception.""" + qnames0 = list(self.kwargs.get('qnames', [])) + responses0 = dict(self.kwargs.get('responses', {})) + responses1 = e_nx.kwargs.get('responses', {}) + for qname1 in e_nx.kwargs.get('qnames', []): + if qname1 not in qnames0: + qnames0.append(qname1) + if qname1 in responses1: + responses0[qname1] = responses1[qname1] + return NXDOMAIN(qnames=qnames0, responses=responses0) + + def qnames(self): + """All of the names that were tried. + + Returns a list of ``dns.name.Name``. + """ + return self.kwargs['qnames'] + + def responses(self): + """A map from queried names to their NXDOMAIN responses. + + Returns a dict mapping a ``dns.name.Name`` to a + ``dns.message.Message``. + """ + return self.kwargs['responses'] + + def response(self, qname): + """The response for query *qname*. + + Returns a ``dns.message.Message``. + """ + return self.kwargs['responses'][qname] + + +class YXDOMAIN(dns.exception.DNSException): + """The DNS query name is too long after DNAME substitution.""" + +# The definition of the Timeout exception has moved from here to the +# dns.exception module. We keep dns.resolver.Timeout defined for +# backwards compatibility. + +Timeout = dns.exception.Timeout + + +class NoAnswer(dns.exception.DNSException): + """The DNS response does not contain an answer to the question.""" + fmt = 'The DNS response does not contain an answer ' + \ + 'to the question: {query}' + supp_kwargs = {'response'} + + def _fmt_kwargs(self, **kwargs): + return super()._fmt_kwargs(query=kwargs['response'].question) + + +class NoNameservers(dns.exception.DNSException): + """All nameservers failed to answer the query. + + errors: list of servers and respective errors + The type of errors is + [(server IP address, any object convertible to string)]. + Non-empty errors list will add explanatory message () + """ + + msg = "All nameservers failed to answer the query." + fmt = "%s {query}: {errors}" % msg[:-1] + supp_kwargs = {'request', 'errors'} + + def _fmt_kwargs(self, **kwargs): + srv_msgs = [] + for err in kwargs['errors']: + # pylint: disable=bad-continuation + srv_msgs.append('Server {} {} port {} answered {}'.format(err[0], + 'TCP' if err[1] else 'UDP', err[2], err[3])) + return super()._fmt_kwargs(query=kwargs['request'].question, + errors='; '.join(srv_msgs)) + + +class NotAbsolute(dns.exception.DNSException): + """An absolute domain name is required but a relative name was provided.""" + + +class NoRootSOA(dns.exception.DNSException): + """There is no SOA RR at the DNS root name. This should never happen!""" + + +class NoMetaqueries(dns.exception.DNSException): + """DNS metaqueries are not allowed.""" + +class NoResolverConfiguration(dns.exception.DNSException): + """Resolver configuration could not be read or specified no nameservers.""" + +class Answer: + """DNS stub resolver answer. + + Instances of this class bundle up the result of a successful DNS + resolution. + + For convenience, the answer object implements much of the sequence + protocol, forwarding to its ``rrset`` attribute. E.g. + ``for a in answer`` is equivalent to ``for a in answer.rrset``. + ``answer[i]`` is equivalent to ``answer.rrset[i]``, and + ``answer[i:j]`` is equivalent to ``answer.rrset[i:j]``. + + Note that CNAMEs or DNAMEs in the response may mean that answer + RRset's name might not be the query name. + """ + + def __init__(self, qname, rdtype, rdclass, response, nameserver=None, + port=None): + self.qname = qname + self.rdtype = rdtype + self.rdclass = rdclass + self.response = response + self.nameserver = nameserver + self.port = port + self.chaining_result = response.resolve_chaining() + # Copy some attributes out of chaining_result for backwards + # compatibility and convenience. + self.canonical_name = self.chaining_result.canonical_name + self.rrset = self.chaining_result.answer + self.expiration = time.time() + self.chaining_result.minimum_ttl + + def __getattr__(self, attr): # pragma: no cover + if attr == 'name': + return self.rrset.name + elif attr == 'ttl': + return self.rrset.ttl + elif attr == 'covers': + return self.rrset.covers + elif attr == 'rdclass': + return self.rrset.rdclass + elif attr == 'rdtype': + return self.rrset.rdtype + else: + raise AttributeError(attr) + + def __len__(self): + return self.rrset and len(self.rrset) or 0 + + def __iter__(self): + return self.rrset and iter(self.rrset) or iter(tuple()) + + def __getitem__(self, i): + if self.rrset is None: + raise IndexError + return self.rrset[i] + + def __delitem__(self, i): + if self.rrset is None: + raise IndexError + del self.rrset[i] + + +class CacheStatistics: + """Cache Statistics + """ + + def __init__(self, hits=0, misses=0): + self.hits = hits + self.misses = misses + + def reset(self): + self.hits = 0 + self.misses = 0 + + def clone(self): + return CacheStatistics(self.hits, self.misses) + + +class CacheBase: + def __init__(self): + self.lock = _threading.Lock() + self.statistics = CacheStatistics() + + def reset_statistics(self): + """Reset all statistics to zero.""" + with self.lock: + self.statistics.reset() + + def hits(self): + """How many hits has the cache had?""" + with self.lock: + return self.statistics.hits + + def misses(self): + """How many misses has the cache had?""" + with self.lock: + return self.statistics.misses + + def get_statistics_snapshot(self): + """Return a consistent snapshot of all the statistics. + + If running with multiple threads, it's better to take a + snapshot than to call statistics methods such as hits() and + misses() individually. + """ + with self.lock: + return self.statistics.clone() + + +class Cache(CacheBase): + """Simple thread-safe DNS answer cache.""" + + def __init__(self, cleaning_interval=300.0): + """*cleaning_interval*, a ``float`` is the number of seconds between + periodic cleanings. + """ + + super().__init__() + self.data = {} + self.cleaning_interval = cleaning_interval + self.next_cleaning = time.time() + self.cleaning_interval + + def _maybe_clean(self): + """Clean the cache if it's time to do so.""" + + now = time.time() + if self.next_cleaning <= now: + keys_to_delete = [] + for (k, v) in self.data.items(): + if v.expiration <= now: + keys_to_delete.append(k) + for k in keys_to_delete: + del self.data[k] + now = time.time() + self.next_cleaning = now + self.cleaning_interval + + def get(self, key): + """Get the answer associated with *key*. + + Returns None if no answer is cached for the key. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + + Returns a ``dns.resolver.Answer`` or ``None``. + """ + + with self.lock: + self._maybe_clean() + v = self.data.get(key) + if v is None or v.expiration <= time.time(): + self.statistics.misses += 1 + return None + self.statistics.hits += 1 + return v + + def put(self, key, value): + """Associate key and value in the cache. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + + *value*, a ``dns.resolver.Answer``, the answer. + """ + + with self.lock: + self._maybe_clean() + self.data[key] = value + + def flush(self, key=None): + """Flush the cache. + + If *key* is not ``None``, only that item is flushed. Otherwise + the entire cache is flushed. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + """ + + with self.lock: + if key is not None: + if key in self.data: + del self.data[key] + else: + self.data = {} + self.next_cleaning = time.time() + self.cleaning_interval + + +class LRUCacheNode: + """LRUCache node.""" + + def __init__(self, key, value): + self.key = key + self.value = value + self.hits = 0 + self.prev = self + self.next = self + + def link_after(self, node): + self.prev = node + self.next = node.next + node.next.prev = self + node.next = self + + def unlink(self): + self.next.prev = self.prev + self.prev.next = self.next + + +class LRUCache(CacheBase): + """Thread-safe, bounded, least-recently-used DNS answer cache. + + This cache is better than the simple cache (above) if you're + running a web crawler or other process that does a lot of + resolutions. The LRUCache has a maximum number of nodes, and when + it is full, the least-recently used node is removed to make space + for a new one. + """ + + def __init__(self, max_size=100000): + """*max_size*, an ``int``, is the maximum number of nodes to cache; + it must be greater than 0. + """ + + super().__init__() + self.data = {} + self.set_max_size(max_size) + self.sentinel = LRUCacheNode(None, None) + self.sentinel.prev = self.sentinel + self.sentinel.next = self.sentinel + + def set_max_size(self, max_size): + if max_size < 1: + max_size = 1 + self.max_size = max_size + + def get(self, key): + """Get the answer associated with *key*. + + Returns None if no answer is cached for the key. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + + Returns a ``dns.resolver.Answer`` or ``None``. + """ + + with self.lock: + node = self.data.get(key) + if node is None: + self.statistics.misses += 1 + return None + # Unlink because we're either going to move the node to the front + # of the LRU list or we're going to free it. + node.unlink() + if node.value.expiration <= time.time(): + del self.data[node.key] + self.statistics.misses += 1 + return None + node.link_after(self.sentinel) + self.statistics.hits += 1 + node.hits += 1 + return node.value + + def get_hits_for_key(self, key): + """Return the number of cache hits associated with the specified key.""" + with self.lock: + node = self.data.get(key) + if node is None or node.value.expiration <= time.time(): + return 0 + else: + return node.hits + + def put(self, key, value): + """Associate key and value in the cache. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + + *value*, a ``dns.resolver.Answer``, the answer. + """ + + with self.lock: + node = self.data.get(key) + if node is not None: + node.unlink() + del self.data[node.key] + while len(self.data) >= self.max_size: + node = self.sentinel.prev + node.unlink() + del self.data[node.key] + node = LRUCacheNode(key, value) + node.link_after(self.sentinel) + self.data[key] = node + + def flush(self, key=None): + """Flush the cache. + + If *key* is not ``None``, only that item is flushed. Otherwise + the entire cache is flushed. + + *key*, a ``(dns.name.Name, int, int)`` tuple whose values are the + query name, rdtype, and rdclass respectively. + """ + + with self.lock: + if key is not None: + node = self.data.get(key) + if node is not None: + node.unlink() + del self.data[node.key] + else: + node = self.sentinel.next + while node != self.sentinel: + next = node.next + node.unlink() + node = next + self.data = {} + +class _Resolution: + """Helper class for dns.resolver.Resolver.resolve(). + + All of the "business logic" of resolution is encapsulated in this + class, allowing us to have multiple resolve() implementations + using different I/O schemes without copying all of the + complicated logic. + + This class is a "friend" to dns.resolver.Resolver and manipulates + resolver data structures directly. + """ + + def __init__(self, resolver, qname, rdtype, rdclass, tcp, + raise_on_no_answer, search): + if isinstance(qname, str): + qname = dns.name.from_text(qname, None) + rdtype = dns.rdatatype.RdataType.make(rdtype) + if dns.rdatatype.is_metatype(rdtype): + raise NoMetaqueries + rdclass = dns.rdataclass.RdataClass.make(rdclass) + if dns.rdataclass.is_metaclass(rdclass): + raise NoMetaqueries + self.resolver = resolver + self.qnames_to_try = resolver._get_qnames_to_try(qname, search) + self.qnames = self.qnames_to_try[:] + self.rdtype = rdtype + self.rdclass = rdclass + self.tcp = tcp + self.raise_on_no_answer = raise_on_no_answer + self.nxdomain_responses = {} + # + # Initialize other things to help analysis tools + self.qname = dns.name.empty + self.nameservers = [] + self.current_nameservers = [] + self.errors = [] + self.nameserver = None + self.port = 0 + self.tcp_attempt = False + self.retry_with_tcp = False + self.request = None + self.backoff = 0 + + def next_request(self): + """Get the next request to send, and check the cache. + + Returns a (request, answer) tuple. At most one of request or + answer will not be None. + """ + + # We return a tuple instead of Union[Message,Answer] as it lets + # the caller avoid isinstance(). + + while len(self.qnames) > 0: + self.qname = self.qnames.pop(0) + + # Do we know the answer? + if self.resolver.cache: + answer = self.resolver.cache.get((self.qname, self.rdtype, + self.rdclass)) + if answer is not None: + if answer.rrset is None and self.raise_on_no_answer: + raise NoAnswer(response=answer.response) + else: + return (None, answer) + answer = self.resolver.cache.get((self.qname, + dns.rdatatype.ANY, + self.rdclass)) + if answer is not None and \ + answer.response.rcode() == dns.rcode.NXDOMAIN: + # cached NXDOMAIN; record it and continue to next + # name. + self.nxdomain_responses[self.qname] = answer.response + continue + + # Build the request + request = dns.message.make_query(self.qname, self.rdtype, + self.rdclass) + if self.resolver.keyname is not None: + request.use_tsig(self.resolver.keyring, self.resolver.keyname, + algorithm=self.resolver.keyalgorithm) + request.use_edns(self.resolver.edns, self.resolver.ednsflags, + self.resolver.payload) + if self.resolver.flags is not None: + request.flags = self.resolver.flags + + self.nameservers = self.resolver.nameservers[:] + if self.resolver.rotate: + random.shuffle(self.nameservers) + self.current_nameservers = self.nameservers[:] + self.errors = [] + self.nameserver = None + self.tcp_attempt = False + self.retry_with_tcp = False + self.request = request + self.backoff = 0.10 + + return (request, None) + + # + # We've tried everything and only gotten NXDOMAINs. (We know + # it's only NXDOMAINs as anything else would have returned + # before now.) + # + raise NXDOMAIN(qnames=self.qnames_to_try, + responses=self.nxdomain_responses) + + def next_nameserver(self): + if self.retry_with_tcp: + assert self.nameserver is not None + self.tcp_attempt = True + self.retry_with_tcp = False + return (self.nameserver, self.port, True, 0) + + backoff = 0 + if not self.current_nameservers: + if len(self.nameservers) == 0: + # Out of things to try! + raise NoNameservers(request=self.request, errors=self.errors) + self.current_nameservers = self.nameservers[:] + backoff = self.backoff + self.backoff = min(self.backoff * 2, 2) + + self.nameserver = self.current_nameservers.pop(0) + self.port = self.resolver.nameserver_ports.get(self.nameserver, + self.resolver.port) + self.tcp_attempt = self.tcp + return (self.nameserver, self.port, self.tcp_attempt, backoff) + + def query_result(self, response, ex): + # + # returns an (answer: Answer, end_loop: bool) tuple. + # + if ex: + # Exception during I/O or from_wire() + assert response is None + self.errors.append((self.nameserver, self.tcp_attempt, self.port, + ex, response)) + if isinstance(ex, dns.exception.FormError) or \ + isinstance(ex, EOFError) or \ + isinstance(ex, OSError) or \ + isinstance(ex, NotImplementedError): + # This nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + elif isinstance(ex, dns.message.Truncated): + if self.tcp_attempt: + # Truncation with TCP is no good! + self.nameservers.remove(self.nameserver) + else: + self.retry_with_tcp = True + return (None, False) + # We got an answer! + assert response is not None + rcode = response.rcode() + if rcode == dns.rcode.NOERROR: + try: + answer = Answer(self.qname, self.rdtype, self.rdclass, response, + self.nameserver, self.port) + except Exception: + # The nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + return (None, False) + if self.resolver.cache: + self.resolver.cache.put((self.qname, self.rdtype, + self.rdclass), answer) + if answer.rrset is None and self.raise_on_no_answer: + raise NoAnswer(response=answer.response) + return (answer, True) + elif rcode == dns.rcode.NXDOMAIN: + # Further validate the response by making an Answer, even + # if we aren't going to cache it. + try: + answer = Answer(self.qname, dns.rdatatype.ANY, + dns.rdataclass.IN, response) + except Exception: + # The nameserver is no good, take it out of the mix. + self.nameservers.remove(self.nameserver) + return (None, False) + self.nxdomain_responses[self.qname] = response + if self.resolver.cache: + self.resolver.cache.put((self.qname, + dns.rdatatype.ANY, + self.rdclass), answer) + # Make next_nameserver() return None, so caller breaks its + # inner loop and calls next_request(). + return (None, True) + elif rcode == dns.rcode.YXDOMAIN: + yex = YXDOMAIN() + self.errors.append((self.nameserver, self.tcp_attempt, + self.port, yex, response)) + raise yex + else: + # + # We got a response, but we're not happy with the + # rcode in it. + # + if rcode != dns.rcode.SERVFAIL or not self.resolver.retry_servfail: + self.nameservers.remove(self.nameserver) + self.errors.append((self.nameserver, self.tcp_attempt, self.port, + dns.rcode.to_text(rcode), response)) + return (None, False) + +class BaseResolver: + """DNS stub resolver.""" + + # We initialize in reset() + # + # pylint: disable=attribute-defined-outside-init + + def __init__(self, filename='/etc/resolv.conf', configure=True): + """*filename*, a ``str`` or file object, specifying a file + in standard /etc/resolv.conf format. This parameter is meaningful + only when *configure* is true and the platform is POSIX. + + *configure*, a ``bool``. If True (the default), the resolver + instance is configured in the normal fashion for the operating + system the resolver is running on. (I.e. by reading a + /etc/resolv.conf file on POSIX systems and from the registry + on Windows systems.) + """ + + self.reset() + if configure: + if sys.platform == 'win32': + self.read_registry() + elif filename: + self.read_resolv_conf(filename) + + def reset(self): + """Reset all resolver configuration to the defaults.""" + + self.domain = \ + dns.name.Name(dns.name.from_text(socket.gethostname())[1:]) + if len(self.domain) == 0: + self.domain = dns.name.root + self.nameservers = [] + self.nameserver_ports = {} + self.port = 53 + self.search = [] + self.use_search_by_default = False + self.timeout = 2.0 + self.lifetime = 5.0 + self.keyring = None + self.keyname = None + self.keyalgorithm = dns.tsig.default_algorithm + self.edns = -1 + self.ednsflags = 0 + self.payload = 0 + self.cache = None + self.flags = None + self.retry_servfail = False + self.rotate = False + self.ndots = None + + def read_resolv_conf(self, f): + """Process *f* as a file in the /etc/resolv.conf format. If f is + a ``str``, it is used as the name of the file to open; otherwise it + is treated as the file itself. + + Interprets the following items: + + - nameserver - name server IP address + + - domain - local domain name + + - search - search list for host-name lookup + + - options - supported options are rotate, timeout, edns0, and ndots + + """ + + with contextlib.ExitStack() as stack: + if isinstance(f, str): + try: + f = stack.enter_context(open(f)) + except OSError: + # /etc/resolv.conf doesn't exist, can't be read, etc. + raise NoResolverConfiguration + + for l in f: + if len(l) == 0 or l[0] == '#' or l[0] == ';': + continue + tokens = l.split() + + # Any line containing less than 2 tokens is malformed + if len(tokens) < 2: + continue + + if tokens[0] == 'nameserver': + self.nameservers.append(tokens[1]) + elif tokens[0] == 'domain': + self.domain = dns.name.from_text(tokens[1]) + # domain and search are exclusive + self.search = [] + elif tokens[0] == 'search': + # the last search wins + self.search = [] + for suffix in tokens[1:]: + self.search.append(dns.name.from_text(suffix)) + # We don't set domain as it is not used if + # len(self.search) > 0 + elif tokens[0] == 'options': + for opt in tokens[1:]: + if opt == 'rotate': + self.rotate = True + elif opt == 'edns0': + self.use_edns() + elif 'timeout' in opt: + try: + self.timeout = int(opt.split(':')[1]) + except (ValueError, IndexError): + pass + elif 'ndots' in opt: + try: + self.ndots = int(opt.split(':')[1]) + except (ValueError, IndexError): + pass + if len(self.nameservers) == 0: + raise NoResolverConfiguration + + def _determine_split_char(self, entry): + # + # The windows registry irritatingly changes the list element + # delimiter in between ' ' and ',' (and vice-versa) in various + # versions of windows. + # + if entry.find(' ') >= 0: # pragma: no cover + split_char = ' ' + elif entry.find(',') >= 0: # pragma: no cover + split_char = ',' + else: + # probably a singleton; treat as a space-separated list. + split_char = ' ' + return split_char + + def _config_win32_nameservers(self, nameservers): + # we call str() on nameservers to convert it from unicode to ascii + nameservers = str(nameservers) + split_char = self._determine_split_char(nameservers) + ns_list = nameservers.split(split_char) + for ns in ns_list: + if ns not in self.nameservers: + self.nameservers.append(ns) + + def _config_win32_domain(self, domain): # pragma: no cover + # we call str() on domain to convert it from unicode to ascii + self.domain = dns.name.from_text(str(domain)) + + def _config_win32_search(self, search): # pragma: no cover + # we call str() on search to convert it from unicode to ascii + search = str(search) + split_char = self._determine_split_char(search) + search_list = search.split(split_char) + for s in search_list: + if s not in self.search: + self.search.append(dns.name.from_text(s)) + + def _config_win32_fromkey(self, key, always_try_domain): + # pylint: disable=undefined-variable + # (disabled for WindowsError) + try: + servers, _ = winreg.QueryValueEx(key, 'NameServer') + except WindowsError: # pragma: no cover + servers = None + if servers: + self._config_win32_nameservers(servers) + if servers or always_try_domain: + try: + dom, _ = winreg.QueryValueEx(key, 'Domain') + if dom: + self._config_win32_domain(dom) # pragma: no cover + except WindowsError: # pragma: no cover + pass + else: + try: + servers, _ = winreg.QueryValueEx(key, 'DhcpNameServer') + except WindowsError: # pragma: no cover + servers = None + if servers: + self._config_win32_nameservers(servers) + try: + dom, _ = winreg.QueryValueEx(key, 'DhcpDomain') + if dom: + self._config_win32_domain(dom) + except WindowsError: # pragma: no cover + pass + try: + search, _ = winreg.QueryValueEx(key, 'SearchList') + except WindowsError: # pragma: no cover + search = None + if search: # pragma: no cover + self._config_win32_search(search) + + def read_registry(self): + """Extract resolver configuration from the Windows registry.""" + + lm = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) + try: + tcp_params = winreg.OpenKey(lm, + r'SYSTEM\CurrentControlSet' + r'\Services\Tcpip\Parameters') + try: + self._config_win32_fromkey(tcp_params, True) + finally: + tcp_params.Close() + interfaces = winreg.OpenKey(lm, + r'SYSTEM\CurrentControlSet' + r'\Services\Tcpip\Parameters' + r'\Interfaces') + try: + i = 0 + while True: + try: + guid = winreg.EnumKey(interfaces, i) + i += 1 + # XXXRTH why do we get this key and then not use it? + key = winreg.OpenKey(interfaces, guid) + if not self._win32_is_nic_enabled(lm, guid, key): + continue + try: + self._config_win32_fromkey(key, False) + finally: + key.Close() + except EnvironmentError: # pragma: no cover + break + finally: + interfaces.Close() + finally: + lm.Close() + + def _win32_is_nic_enabled(self, lm, guid, _): + # Look in the Windows Registry to determine whether the network + # interface corresponding to the given guid is enabled. + # + # (Code contributed by Paul Marks, thanks!) + # + try: + # This hard-coded location seems to be consistent, at least + # from Windows 2000 through Vista. + connection_key = winreg.OpenKey( + lm, + r'SYSTEM\CurrentControlSet\Control\Network' + r'\{4D36E972-E325-11CE-BFC1-08002BE10318}' + r'\%s\Connection' % guid) + + try: + # The PnpInstanceID points to a key inside Enum + (pnp_id, ttype) = winreg.QueryValueEx( + connection_key, 'PnpInstanceID') + + if ttype != winreg.REG_SZ: + raise ValueError # pragma: no cover + + device_key = winreg.OpenKey( + lm, r'SYSTEM\CurrentControlSet\Enum\%s' % pnp_id) + + try: + # Get ConfigFlags for this device + (flags, ttype) = winreg.QueryValueEx( + device_key, 'ConfigFlags') + + if ttype != winreg.REG_DWORD: + raise ValueError # pragma: no cover + + # Based on experimentation, bit 0x1 indicates that the + # device is disabled. + return not flags & 0x1 + + finally: + device_key.Close() + finally: + connection_key.Close() + except Exception: # pragma: no cover + return False + + def _compute_timeout(self, start, lifetime=None): + lifetime = self.lifetime if lifetime is None else lifetime + now = time.time() + duration = now - start + if duration < 0: + if duration < -1: + # Time going backwards is bad. Just give up. + raise Timeout(timeout=duration) + else: + # Time went backwards, but only a little. This can + # happen, e.g. under vmware with older linux kernels. + # Pretend it didn't happen. + now = start + if duration >= lifetime: + raise Timeout(timeout=duration) + return min(lifetime - duration, self.timeout) + + def _get_qnames_to_try(self, qname, search): + # This is a separate method so we can unit test the search + # rules without requiring the Internet. + if search is None: + search = self.use_search_by_default + qnames_to_try = [] + if qname.is_absolute(): + qnames_to_try.append(qname) + else: + abs_qname = qname.concatenate(dns.name.root) + if search: + if len(self.search) > 0: + # There is a search list, so use it exclusively + search_list = self.search[:] + elif self.domain != dns.name.root and self.domain is not None: + # We have some notion of a domain that isn't the root, so + # use it as the search list. + search_list = [self.domain] + else: + search_list = [] + # Figure out the effective ndots (default is 1) + if self.ndots is None: + ndots = 1 + else: + ndots = self.ndots + for suffix in search_list: + qnames_to_try.append(qname + suffix) + if len(qname) > ndots: + # The name has at least ndots dots, so we should try an + # absolute query first. + qnames_to_try.insert(0, abs_qname) + else: + # The name has less than ndots dots, so we should search + # first, then try the absolute name. + qnames_to_try.append(abs_qname) + else: + qnames_to_try.append(abs_qname) + return qnames_to_try + + def use_tsig(self, keyring, keyname=None, + algorithm=dns.tsig.default_algorithm): + """Add a TSIG signature to each query. + + The parameters are passed to ``dns.message.Message.use_tsig()``; + see its documentation for details. + """ + + self.keyring = keyring + self.keyname = keyname + self.keyalgorithm = algorithm + + def use_edns(self, edns=0, ednsflags=0, + payload=dns.message.DEFAULT_EDNS_PAYLOAD): + """Configure EDNS behavior. + + *edns*, an ``int``, is the EDNS level to use. Specifying + ``None``, ``False``, or ``-1`` means "do not use EDNS", and in this case + the other parameters are ignored. Specifying ``True`` is + equivalent to specifying 0, i.e. "use EDNS0". + + *ednsflags*, an ``int``, the EDNS flag values. + + *payload*, an ``int``, is the EDNS sender's payload field, which is the + maximum size of UDP datagram the sender can handle. I.e. how big + a response to this message can be. + """ + + if edns is None or edns is False: + edns = -1 + elif edns is True: + edns = 0 + self.edns = edns + self.ednsflags = ednsflags + self.payload = payload + + def set_flags(self, flags): + """Overrides the default flags with your own. + + *flags*, an ``int``, the message flags to use. + """ + + self.flags = flags + + @property + def nameservers(self): + return self._nameservers + + @nameservers.setter + def nameservers(self, nameservers): + """ + *nameservers*, a ``list`` of nameservers. + + Raises ``ValueError`` if *nameservers* is anything other than a + ``list``. + """ + if isinstance(nameservers, list): + self._nameservers = nameservers + else: + raise ValueError('nameservers must be a list' + ' (not a {})'.format(type(nameservers))) + + +class Resolver(BaseResolver): + """DNS stub resolver.""" + + def resolve(self, qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, source_port=0, + lifetime=None, search=None): # pylint: disable=arguments-differ + """Query nameservers to find the answer to the question. + + The *qname*, *rdtype*, and *rdclass* parameters may be objects + of the appropriate type, or strings that can be converted into objects + of the appropriate type. + + *qname*, a ``dns.name.Name`` or ``str``, the query name. + + *rdtype*, an ``int`` or ``str``, the query type. + + *rdclass*, an ``int`` or ``str``, the query class. + + *tcp*, a ``bool``. If ``True``, use TCP to make the query. + + *source*, a ``str`` or ``None``. If not ``None``, bind to this IP + address when making queries. + + *raise_on_no_answer*, a ``bool``. If ``True``, raise + ``dns.resolver.NoAnswer`` if there's no answer to the question. + + *source_port*, an ``int``, the port from which to send the message. + + *lifetime*, a ``float``, how many seconds a query should run + before timing out. + + *search*, a ``bool`` or ``None``, determines whether the + search list configured in the system's resolver configuration + are used for relative names, and whether the resolver's domain + may be added to relative names. The default is ``None``, + which causes the value of the resolver's + ``use_search_by_default`` attribute to be used. + + Raises ``dns.exception.Timeout`` if no answers could be found + in the specified lifetime. + + Raises ``dns.resolver.NXDOMAIN`` if the query name does not exist. + + Raises ``dns.resolver.YXDOMAIN`` if the query name is too long after + DNAME substitution. + + Raises ``dns.resolver.NoAnswer`` if *raise_on_no_answer* is + ``True`` and the query name exists but has no RRset of the + desired type and class. + + Raises ``dns.resolver.NoNameservers`` if no non-broken + nameservers are available to answer the question. + + Returns a ``dns.resolver.Answer`` instance. + + """ + + resolution = _Resolution(self, qname, rdtype, rdclass, tcp, + raise_on_no_answer, search) + start = time.time() + while True: + (request, answer) = resolution.next_request() + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + # cache hit! + return answer + done = False + while not done: + (nameserver, port, tcp, backoff) = resolution.next_nameserver() + if backoff: + time.sleep(backoff) + timeout = self._compute_timeout(start, lifetime) + try: + if dns.inet.is_address(nameserver): + if tcp: + response = dns.query.tcp(request, nameserver, + timeout=timeout, + port=port, + source=source, + source_port=source_port) + else: + response = dns.query.udp(request, + nameserver, + timeout=timeout, + port=port, + source=source, + source_port=source_port, + raise_on_truncation=True) + else: + protocol = urlparse(nameserver).scheme + if protocol != 'https': + raise NotImplementedError + response = dns.query.https(request, nameserver, + timeout=timeout) + except Exception as ex: + (_, done) = resolution.query_result(None, ex) + continue + (answer, done) = resolution.query_result(response, None) + # Note we need to say "if answer is not None" and not just + # "if answer" because answer implements __len__, and python + # will call that. We want to return if we have an answer + # object, including in cases where its length is 0. + if answer is not None: + return answer + + def query(self, qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, source_port=0, + lifetime=None): # pragma: no cover + """Query nameservers to find the answer to the question. + + This method calls resolve() with ``search=True``, and is + provided for backwards compatbility with prior versions of + dnspython. See the documentation for the resolve() method for + further details. + """ + warnings.warn('please use dns.resolver.Resolver.resolve() instead', + DeprecationWarning, stacklevel=2) + return self.resolve(qname, rdtype, rdclass, tcp, source, + raise_on_no_answer, source_port, lifetime, + True) + + def resolve_address(self, ipaddr, *args, **kwargs): + """Use a resolver to run a reverse query for PTR records. + + This utilizes the resolve() method to perform a PTR lookup on the + specified IP address. + + *ipaddr*, a ``str``, the IPv4 or IPv6 address you want to get + the PTR record for. + + All other arguments that can be passed to the resolve() function + except for rdtype and rdclass are also supported by this + function. + """ + + return self.resolve(dns.reversename.from_address(ipaddr), + rdtype=dns.rdatatype.PTR, + rdclass=dns.rdataclass.IN, + *args, **kwargs) + + # pylint: disable=redefined-outer-name + + def canonical_name(self, name): + """Determine the canonical name of *name*. + + The canonical name is the name the resolver uses for queries + after all CNAME and DNAME renamings have been applied. + + *name*, a ``dns.name.Name`` or ``str``, the query name. + + This method can raise any exception that ``resolve()`` can + raise, other than ``dns.resolver.NoAnswer`` and + ``dns.resolver.NXDOMAIN``. + + Returns a ``dns.name.Name``. + """ + try: + answer = self.resolve(name, raise_on_no_answer=False) + canonical_name = answer.canonical_name + except dns.resolver.NXDOMAIN as e: + canonical_name = e.canonical_name + return canonical_name + + # pylint: enable=redefined-outer-name + + +#: The default resolver. +default_resolver = None + + +def get_default_resolver(): + """Get the default resolver, initializing it if necessary.""" + if default_resolver is None: + reset_default_resolver() + return default_resolver + + +def reset_default_resolver(): + """Re-initialize default resolver. + + Note that the resolver configuration (i.e. /etc/resolv.conf on UNIX + systems) will be re-read immediately. + """ + + global default_resolver + default_resolver = Resolver() + + +def resolve(qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, + source_port=0, lifetime=None, search=None): + """Query nameservers to find the answer to the question. + + This is a convenience function that uses the default resolver + object to make the query. + + See ``dns.resolver.Resolver.resolve`` for more information on the + parameters. + """ + + return get_default_resolver().resolve(qname, rdtype, rdclass, tcp, source, + raise_on_no_answer, source_port, + lifetime, search) + +def query(qname, rdtype=dns.rdatatype.A, rdclass=dns.rdataclass.IN, + tcp=False, source=None, raise_on_no_answer=True, + source_port=0, lifetime=None): # pragma: no cover + """Query nameservers to find the answer to the question. + + This method calls resolve() with ``search=True``, and is + provided for backwards compatbility with prior versions of + dnspython. See the documentation for the resolve() method for + further details. + """ + warnings.warn('please use dns.resolver.resolve() instead', + DeprecationWarning, stacklevel=2) + return resolve(qname, rdtype, rdclass, tcp, source, + raise_on_no_answer, source_port, lifetime, + True) + + +def resolve_address(ipaddr, *args, **kwargs): + """Use a resolver to run a reverse query for PTR records. + + See ``dns.resolver.Resolver.resolve_address`` for more information on the + parameters. + """ + + return get_default_resolver().resolve_address(ipaddr, *args, **kwargs) + + +def canonical_name(name): + """Determine the canonical name of *name*. + + See ``dns.resolver.Resolver.canonical_name`` for more information on the + parameters and possible exceptions. + """ + + return get_default_resolver().canonical_name(name) + + +def zone_for_name(name, rdclass=dns.rdataclass.IN, tcp=False, resolver=None): + """Find the name of the zone which contains the specified name. + + *name*, an absolute ``dns.name.Name`` or ``str``, the query name. + + *rdclass*, an ``int``, the query class. + + *tcp*, a ``bool``. If ``True``, use TCP to make the query. + + *resolver*, a ``dns.resolver.Resolver`` or ``None``, the resolver to use. + If ``None``, the default resolver is used. + + Raises ``dns.resolver.NoRootSOA`` if there is no SOA RR at the DNS + root. (This is only likely to happen if you're using non-default + root servers in your network and they are misconfigured.) + + Returns a ``dns.name.Name``. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, dns.name.root) + if resolver is None: + resolver = get_default_resolver() + if not name.is_absolute(): + raise NotAbsolute(name) + while 1: + try: + answer = resolver.resolve(name, dns.rdatatype.SOA, rdclass, tcp) + if answer.rrset.name == name: + return name + # otherwise we were CNAMEd or DNAMEd and need to look higher + except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + pass + try: + name = name.parent() + except dns.name.NoParent: + raise NoRootSOA + +# +# Support for overriding the system resolver for all python code in the +# running process. +# + +_protocols_for_socktype = { + socket.SOCK_DGRAM: [socket.SOL_UDP], + socket.SOCK_STREAM: [socket.SOL_TCP], +} + +_resolver = None +_original_getaddrinfo = socket.getaddrinfo +_original_getnameinfo = socket.getnameinfo +_original_getfqdn = socket.getfqdn +_original_gethostbyname = socket.gethostbyname +_original_gethostbyname_ex = socket.gethostbyname_ex +_original_gethostbyaddr = socket.gethostbyaddr + + +def _getaddrinfo(host=None, service=None, family=socket.AF_UNSPEC, socktype=0, + proto=0, flags=0): + if flags & socket.AI_NUMERICHOST != 0: + # Short circuit directly into the system's getaddrinfo(). We're + # not adding any value in this case, and this avoids infinite loops + # because dns.query.* needs to call getaddrinfo() for IPv6 scoping + # reasons. We will also do this short circuit below if we + # discover that the host is an address literal. + return _original_getaddrinfo(host, service, family, socktype, proto, + flags) + if flags & (socket.AI_ADDRCONFIG | socket.AI_V4MAPPED) != 0: + # Not implemented. We raise a gaierror as opposed to a + # NotImplementedError as it helps callers handle errors more + # appropriately. [Issue #316] + # + # We raise EAI_FAIL as opposed to EAI_SYSTEM because there is + # no EAI_SYSTEM on Windows [Issue #416]. We didn't go for + # EAI_BADFLAGS as the flags aren't bad, we just don't + # implement them. + raise socket.gaierror(socket.EAI_FAIL, + 'Non-recoverable failure in name resolution') + if host is None and service is None: + raise socket.gaierror(socket.EAI_NONAME, 'Name or service not known') + v6addrs = [] + v4addrs = [] + canonical_name = None # pylint: disable=redefined-outer-name + # Is host None or an address literal? If so, use the system's + # getaddrinfo(). + if host is None: + return _original_getaddrinfo(host, service, family, socktype, + proto, flags) + try: + # We don't care about the result of af_for_address(), we're just + # calling it so it raises an exception if host is not an IPv4 or + # IPv6 address. + dns.inet.af_for_address(host) + return _original_getaddrinfo(host, service, family, socktype, + proto, flags) + except Exception: + pass + # Something needs resolution! + try: + if family == socket.AF_INET6 or family == socket.AF_UNSPEC: + v6 = _resolver.resolve(host, dns.rdatatype.AAAA, + raise_on_no_answer=False) + # Note that setting host ensures we query the same name + # for A as we did for AAAA. + host = v6.qname + canonical_name = v6.canonical_name.to_text(True) + if v6.rrset is not None: + for rdata in v6.rrset: + v6addrs.append(rdata.address) + if family == socket.AF_INET or family == socket.AF_UNSPEC: + v4 = _resolver.resolve(host, dns.rdatatype.A, + raise_on_no_answer=False) + host = v4.qname + canonical_name = v4.canonical_name.to_text(True) + if v4.rrset is not None: + for rdata in v4.rrset: + v4addrs.append(rdata.address) + except dns.resolver.NXDOMAIN: + raise socket.gaierror(socket.EAI_NONAME, 'Name or service not known') + except Exception: + # We raise EAI_AGAIN here as the failure may be temporary + # (e.g. a timeout) and EAI_SYSTEM isn't defined on Windows. + # [Issue #416] + raise socket.gaierror(socket.EAI_AGAIN, + 'Temporary failure in name resolution') + port = None + try: + # Is it a port literal? + if service is None: + port = 0 + else: + port = int(service) + except Exception: + if flags & socket.AI_NUMERICSERV == 0: + try: + port = socket.getservbyname(service) + except Exception: + pass + if port is None: + raise socket.gaierror(socket.EAI_NONAME, 'Name or service not known') + tuples = [] + if socktype == 0: + socktypes = [socket.SOCK_DGRAM, socket.SOCK_STREAM] + else: + socktypes = [socktype] + if flags & socket.AI_CANONNAME != 0: + cname = canonical_name + else: + cname = '' + if family == socket.AF_INET6 or family == socket.AF_UNSPEC: + for addr in v6addrs: + for socktype in socktypes: + for proto in _protocols_for_socktype[socktype]: + tuples.append((socket.AF_INET6, socktype, proto, + cname, (addr, port, 0, 0))) + if family == socket.AF_INET or family == socket.AF_UNSPEC: + for addr in v4addrs: + for socktype in socktypes: + for proto in _protocols_for_socktype[socktype]: + tuples.append((socket.AF_INET, socktype, proto, + cname, (addr, port))) + if len(tuples) == 0: + raise socket.gaierror(socket.EAI_NONAME, 'Name or service not known') + return tuples + + +def _getnameinfo(sockaddr, flags=0): + host = sockaddr[0] + port = sockaddr[1] + if len(sockaddr) == 4: + scope = sockaddr[3] + family = socket.AF_INET6 + else: + scope = None + family = socket.AF_INET + tuples = _getaddrinfo(host, port, family, socket.SOCK_STREAM, + socket.SOL_TCP, 0) + if len(tuples) > 1: + raise socket.error('sockaddr resolved to multiple addresses') + addr = tuples[0][4][0] + if flags & socket.NI_DGRAM: + pname = 'udp' + else: + pname = 'tcp' + qname = dns.reversename.from_address(addr) + if flags & socket.NI_NUMERICHOST == 0: + try: + answer = _resolver.resolve(qname, 'PTR') + hostname = answer.rrset[0].target.to_text(True) + except (dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + if flags & socket.NI_NAMEREQD: + raise socket.gaierror(socket.EAI_NONAME, + 'Name or service not known') + hostname = addr + if scope is not None: + hostname += '%' + str(scope) + else: + hostname = addr + if scope is not None: + hostname += '%' + str(scope) + if flags & socket.NI_NUMERICSERV: + service = str(port) + else: + service = socket.getservbyport(port, pname) + return (hostname, service) + + +def _getfqdn(name=None): + if name is None: + name = socket.gethostname() + try: + (name, _, _) = _gethostbyaddr(name) + # Python's version checks aliases too, but our gethostbyname + # ignores them, so we do so here as well. + except Exception: + pass + return name + + +def _gethostbyname(name): + return _gethostbyname_ex(name)[2][0] + + +def _gethostbyname_ex(name): + aliases = [] + addresses = [] + tuples = _getaddrinfo(name, 0, socket.AF_INET, socket.SOCK_STREAM, + socket.SOL_TCP, socket.AI_CANONNAME) + canonical = tuples[0][3] + for item in tuples: + addresses.append(item[4][0]) + # XXX we just ignore aliases + return (canonical, aliases, addresses) + + +def _gethostbyaddr(ip): + try: + dns.ipv6.inet_aton(ip) + sockaddr = (ip, 80, 0, 0) + family = socket.AF_INET6 + except Exception: + try: + dns.ipv4.inet_aton(ip) + except Exception: + raise socket.gaierror(socket.EAI_NONAME, + 'Name or service not known') + sockaddr = (ip, 80) + family = socket.AF_INET + (name, _) = _getnameinfo(sockaddr, socket.NI_NAMEREQD) + aliases = [] + addresses = [] + tuples = _getaddrinfo(name, 0, family, socket.SOCK_STREAM, socket.SOL_TCP, + socket.AI_CANONNAME) + canonical = tuples[0][3] + # We only want to include an address from the tuples if it's the + # same as the one we asked about. We do this comparison in binary + # to avoid any differences in text representations. + bin_ip = dns.inet.inet_pton(family, ip) + for item in tuples: + addr = item[4][0] + bin_addr = dns.inet.inet_pton(family, addr) + if bin_ip == bin_addr: + addresses.append(addr) + # XXX we just ignore aliases + return (canonical, aliases, addresses) + + +def override_system_resolver(resolver=None): + """Override the system resolver routines in the socket module with + versions which use dnspython's resolver. + + This can be useful in testing situations where you want to control + the resolution behavior of python code without having to change + the system's resolver settings (e.g. /etc/resolv.conf). + + The resolver to use may be specified; if it's not, the default + resolver will be used. + + resolver, a ``dns.resolver.Resolver`` or ``None``, the resolver to use. + """ + + if resolver is None: + resolver = get_default_resolver() + global _resolver + _resolver = resolver + socket.getaddrinfo = _getaddrinfo + socket.getnameinfo = _getnameinfo + socket.getfqdn = _getfqdn + socket.gethostbyname = _gethostbyname + socket.gethostbyname_ex = _gethostbyname_ex + socket.gethostbyaddr = _gethostbyaddr + + +def restore_system_resolver(): + """Undo the effects of prior override_system_resolver().""" + + global _resolver + _resolver = None + socket.getaddrinfo = _original_getaddrinfo + socket.getnameinfo = _original_getnameinfo + socket.getfqdn = _original_getfqdn + socket.gethostbyname = _original_gethostbyname + socket.gethostbyname_ex = _original_gethostbyname_ex + socket.gethostbyaddr = _original_gethostbyaddr diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/reversename.py b/backend/mb-env/lib/python3.9/site-packages/dns/reversename.py new file mode 100644 index 0000000..e0beb03 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/reversename.py @@ -0,0 +1,100 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2006-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Reverse Map Names.""" + +import binascii + +import dns.name +import dns.ipv6 +import dns.ipv4 + +ipv4_reverse_domain = dns.name.from_text('in-addr.arpa.') +ipv6_reverse_domain = dns.name.from_text('ip6.arpa.') + + +def from_address(text, v4_origin=ipv4_reverse_domain, + v6_origin=ipv6_reverse_domain): + """Convert an IPv4 or IPv6 address in textual form into a Name object whose + value is the reverse-map domain name of the address. + + *text*, a ``str``, is an IPv4 or IPv6 address in textual form + (e.g. '127.0.0.1', '::1') + + *v4_origin*, a ``dns.name.Name`` to append to the labels corresponding to + the address if the address is an IPv4 address, instead of the default + (in-addr.arpa.) + + *v6_origin*, a ``dns.name.Name`` to append to the labels corresponding to + the address if the address is an IPv6 address, instead of the default + (ip6.arpa.) + + Raises ``dns.exception.SyntaxError`` if the address is badly formed. + + Returns a ``dns.name.Name``. + """ + + try: + v6 = dns.ipv6.inet_aton(text) + if dns.ipv6.is_mapped(v6): + parts = ['%d' % byte for byte in v6[12:]] + origin = v4_origin + else: + parts = [x for x in str(binascii.hexlify(v6).decode())] + origin = v6_origin + except Exception: + parts = ['%d' % + byte for byte in dns.ipv4.inet_aton(text)] + origin = v4_origin + return dns.name.from_text('.'.join(reversed(parts)), origin=origin) + + +def to_address(name, v4_origin=ipv4_reverse_domain, + v6_origin=ipv6_reverse_domain): + """Convert a reverse map domain name into textual address form. + + *name*, a ``dns.name.Name``, an IPv4 or IPv6 address in reverse-map name + form. + + *v4_origin*, a ``dns.name.Name`` representing the top-level domain for + IPv4 addresses, instead of the default (in-addr.arpa.) + + *v6_origin*, a ``dns.name.Name`` representing the top-level domain for + IPv4 addresses, instead of the default (ip6.arpa.) + + Raises ``dns.exception.SyntaxError`` if the name does not have a + reverse-map form. + + Returns a ``str``. + """ + + if name.is_subdomain(v4_origin): + name = name.relativize(v4_origin) + text = b'.'.join(reversed(name.labels)) + # run through inet_ntoa() to check syntax and make pretty. + return dns.ipv4.inet_ntoa(dns.ipv4.inet_aton(text)) + elif name.is_subdomain(v6_origin): + name = name.relativize(v6_origin) + labels = list(reversed(name.labels)) + parts = [] + for i in range(0, len(labels), 4): + parts.append(b''.join(labels[i:i + 4])) + text = b':'.join(parts) + # run through inet_ntoa() to check syntax and make pretty. + return dns.ipv6.inet_ntoa(dns.ipv6.inet_aton(text)) + else: + raise dns.exception.SyntaxError('unknown reverse-map address family') diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/rrset.py b/backend/mb-env/lib/python3.9/site-packages/dns/rrset.py new file mode 100644 index 0000000..a71d457 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/rrset.py @@ -0,0 +1,229 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS RRsets (an RRset is a named rdataset)""" + + +import dns.name +import dns.rdataset +import dns.rdataclass +import dns.renderer + + +class RRset(dns.rdataset.Rdataset): + + """A DNS RRset (named rdataset). + + RRset inherits from Rdataset, and RRsets can be treated as + Rdatasets in most cases. There are, however, a few notable + exceptions. RRsets have different to_wire() and to_text() method + arguments, reflecting the fact that RRsets always have an owner + name. + """ + + __slots__ = ['name', 'deleting'] + + def __init__(self, name, rdclass, rdtype, covers=dns.rdatatype.NONE, + deleting=None): + """Create a new RRset.""" + + super().__init__(rdclass, rdtype, covers) + self.name = name + self.deleting = deleting + + def _clone(self): + obj = super()._clone() + obj.name = self.name + obj.deleting = self.deleting + return obj + + def __repr__(self): + if self.covers == 0: + ctext = '' + else: + ctext = '(' + dns.rdatatype.to_text(self.covers) + ')' + if self.deleting is not None: + dtext = ' delete=' + dns.rdataclass.to_text(self.deleting) + else: + dtext = '' + return '' + + def __str__(self): + return self.to_text() + + def __eq__(self, other): + if isinstance(other, RRset): + if self.name != other.name: + return False + elif not isinstance(other, dns.rdataset.Rdataset): + return False + return super().__eq__(other) + + def match(self, *args, **kwargs): + """Does this rrset match the specified attributes? + + Behaves as :py:func:`full_match()` if the first argument is a + ``dns.name.Name``, and as :py:func:`dns.rdataset.Rdataset.match()` + otherwise. + + (This behavior fixes a design mistake where the signature of this + method became incompatible with that of its superclass. The fix + makes RRsets matchable as Rdatasets while preserving backwards + compatibility.) + """ + if isinstance(args[0], dns.name.Name): + return self.full_match(*args, **kwargs) + else: + return super().match(*args, **kwargs) + + def full_match(self, name, rdclass, rdtype, covers, + deleting=None): + """Returns ``True`` if this rrset matches the specified name, class, + type, covers, and deletion state. + """ + if not super().match(rdclass, rdtype, covers): + return False + if self.name != name or self.deleting != deleting: + return False + return True + + # pylint: disable=arguments-differ + + def to_text(self, origin=None, relativize=True, **kw): + """Convert the RRset into DNS zone file format. + + See ``dns.name.Name.choose_relativity`` for more information + on how *origin* and *relativize* determine the way names + are emitted. + + Any additional keyword arguments are passed on to the rdata + ``to_text()`` method. + + *origin*, a ``dns.name.Name`` or ``None``, the origin for relative + names. + + *relativize*, a ``bool``. If ``True``, names will be relativized + to *origin*. + """ + + return super().to_text(self.name, origin, relativize, + self.deleting, **kw) + + def to_wire(self, file, compress=None, origin=None, + **kw): + """Convert the RRset to wire format. + + All keyword arguments are passed to ``dns.rdataset.to_wire()``; see + that function for details. + + Returns an ``int``, the number of records emitted. + """ + + return super().to_wire(self.name, file, compress, origin, + self.deleting, **kw) + + # pylint: enable=arguments-differ + + def to_rdataset(self): + """Convert an RRset into an Rdataset. + + Returns a ``dns.rdataset.Rdataset``. + """ + return dns.rdataset.from_rdata_list(self.ttl, list(self)) + + +def from_text_list(name, ttl, rdclass, rdtype, text_rdatas, + idna_codec=None, origin=None, relativize=True, + relativize_to=None): + """Create an RRset with the specified name, TTL, class, and type, and with + the specified list of rdatas in text format. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + *origin*, a ``dns.name.Name`` (or ``None``), the + origin to use for relative names. + + *relativize*, a ``bool``. If true, name will be relativized. + + *relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use + when relativizing names. If not set, the *origin* value will be used. + + Returns a ``dns.rrset.RRset`` object. + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None, idna_codec=idna_codec) + rdclass = dns.rdataclass.RdataClass.make(rdclass) + rdtype = dns.rdatatype.RdataType.make(rdtype) + r = RRset(name, rdclass, rdtype) + r.update_ttl(ttl) + for t in text_rdatas: + rd = dns.rdata.from_text(r.rdclass, r.rdtype, t, origin, relativize, + relativize_to, idna_codec) + r.add(rd) + return r + + +def from_text(name, ttl, rdclass, rdtype, *text_rdatas): + """Create an RRset with the specified name, TTL, class, and type and with + the specified rdatas in text format. + + Returns a ``dns.rrset.RRset`` object. + """ + + return from_text_list(name, ttl, rdclass, rdtype, text_rdatas) + + +def from_rdata_list(name, ttl, rdatas, idna_codec=None): + """Create an RRset with the specified name and TTL, and with + the specified list of rdata objects. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder to use; if ``None``, the default IDNA 2003 + encoder/decoder is used. + + Returns a ``dns.rrset.RRset`` object. + + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None, idna_codec=idna_codec) + + if len(rdatas) == 0: + raise ValueError("rdata list must not be empty") + r = None + for rd in rdatas: + if r is None: + r = RRset(name, rd.rdclass, rd.rdtype) + r.update_ttl(ttl) + r.add(rd) + return r + + +def from_rdata(name, ttl, *rdatas): + """Create an RRset with the specified name and TTL, and with + the specified rdata objects. + + Returns a ``dns.rrset.RRset`` object. + """ + + return from_rdata_list(name, ttl, rdatas) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/serial.py b/backend/mb-env/lib/python3.9/site-packages/dns/serial.py new file mode 100644 index 0000000..b047415 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/serial.py @@ -0,0 +1,117 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""Serial Number Arthimetic from RFC 1982""" + +class Serial: + def __init__(self, value, bits=32): + self.value = value % 2 ** bits + self.bits = bits + + def __repr__(self): + return f'dns.serial.Serial({self.value}, {self.bits})' + + def __eq__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + return self.value == other.value + + def __ne__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + return self.value != other.value + + def __lt__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + if self.value < other.value and \ + other.value - self.value < 2 ** (self.bits - 1): + return True + elif self.value > other.value and \ + self.value - other.value > 2 ** (self.bits - 1): + return True + else: + return False + + def __le__(self, other): + return self == other or self < other + + def __gt__(self, other): + if isinstance(other, int): + other = Serial(other, self.bits) + elif not isinstance(other, Serial) or other.bits != self.bits: + return NotImplemented + if self.value < other.value and \ + other.value - self.value > 2 ** (self.bits - 1): + return True + elif self.value > other.value and \ + self.value - other.value < 2 ** (self.bits - 1): + return True + else: + return False + + def __ge__(self, other): + return self == other or self > other + + def __add__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v += delta + v = v % 2 ** self.bits + return Serial(v, self.bits) + + def __iadd__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v += delta + v = v % 2 ** self.bits + self.value = v + return self + + def __sub__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v -= delta + v = v % 2 ** self.bits + return Serial(v, self.bits) + + def __isub__(self, other): + v = self.value + if isinstance(other, Serial): + delta = other.value + elif isinstance(other, int): + delta = other + else: + raise ValueError + if abs(delta) > (2 ** (self.bits - 1) - 1): + raise ValueError + v -= delta + v = v % 2 ** self.bits + self.value = v + return self diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/set.py b/backend/mb-env/lib/python3.9/site-packages/dns/set.py new file mode 100644 index 0000000..1fd4d0a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/set.py @@ -0,0 +1,278 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import itertools +import sys + +if sys.version_info >= (3, 7): + odict = dict +else: + from collections import OrderedDict as odict # pragma: no cover + +class Set: + + """A simple set class. + + This class was originally used to deal with sets being missing in + ancient versions of python, but dnspython will continue to use it + as these sets are based on lists and are thus indexable, and this + ability is widely used in dnspython applications. + """ + + __slots__ = ['items'] + + def __init__(self, items=None): + """Initialize the set. + + *items*, an iterable or ``None``, the initial set of items. + """ + + self.items = odict() + if items is not None: + for item in items: + self.add(item) + + def __repr__(self): + return "dns.set.Set(%s)" % repr(list(self.items.keys())) + + def add(self, item): + """Add an item to the set. + """ + + if item not in self.items: + self.items[item] = None + + def remove(self, item): + """Remove an item from the set. + """ + + try: + del self.items[item] + except KeyError: + raise ValueError + + def discard(self, item): + """Remove an item from the set if present. + """ + + self.items.pop(item, None) + + def _clone(self): + """Make a (shallow) copy of the set. + + There is a 'clone protocol' that subclasses of this class + should use. To make a copy, first call your super's _clone() + method, and use the object returned as the new instance. Then + make shallow copies of the attributes defined in the subclass. + + This protocol allows us to write the set algorithms that + return new instances (e.g. union) once, and keep using them in + subclasses. + """ + + if hasattr(self, '_clone_class'): + cls = self._clone_class + else: + cls = self.__class__ + obj = cls.__new__(cls) + obj.items = odict() + obj.items.update(self.items) + return obj + + def __copy__(self): + """Make a (shallow) copy of the set. + """ + + return self._clone() + + def copy(self): + """Make a (shallow) copy of the set. + """ + + return self._clone() + + def union_update(self, other): + """Update the set, adding any elements from other which are not + already in the set. + """ + + if not isinstance(other, Set): + raise ValueError('other must be a Set instance') + if self is other: + return + for item in other.items: + self.add(item) + + def intersection_update(self, other): + """Update the set, removing any elements from other which are not + in both sets. + """ + + if not isinstance(other, Set): + raise ValueError('other must be a Set instance') + if self is other: + return + # we make a copy of the list so that we can remove items from + # the list without breaking the iterator. + for item in list(self.items): + if item not in other.items: + del self.items[item] + + def difference_update(self, other): + """Update the set, removing any elements from other which are in + the set. + """ + + if not isinstance(other, Set): + raise ValueError('other must be a Set instance') + if self is other: + self.items.clear() + else: + for item in other.items: + self.discard(item) + + def union(self, other): + """Return a new set which is the union of ``self`` and ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.union_update(other) + return obj + + def intersection(self, other): + """Return a new set which is the intersection of ``self`` and + ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.intersection_update(other) + return obj + + def difference(self, other): + """Return a new set which ``self`` - ``other``, i.e. the items + in ``self`` which are not also in ``other``. + + Returns the same Set type as this set. + """ + + obj = self._clone() + obj.difference_update(other) + return obj + + def __or__(self, other): + return self.union(other) + + def __and__(self, other): + return self.intersection(other) + + def __add__(self, other): + return self.union(other) + + def __sub__(self, other): + return self.difference(other) + + def __ior__(self, other): + self.union_update(other) + return self + + def __iand__(self, other): + self.intersection_update(other) + return self + + def __iadd__(self, other): + self.union_update(other) + return self + + def __isub__(self, other): + self.difference_update(other) + return self + + def update(self, other): + """Update the set, adding any elements from other which are not + already in the set. + + *other*, the collection of items with which to update the set, which + may be any iterable type. + """ + + for item in other: + self.add(item) + + def clear(self): + """Make the set empty.""" + self.items.clear() + + def __eq__(self, other): + if odict == dict: + return self.items == other.items + else: + # We don't want an ordered comparison. + if len(self.items) != len(other.items): + return False + return all(elt in other.items for elt in self.items) + + def __ne__(self, other): + return not self.__eq__(other) + + def __len__(self): + return len(self.items) + + def __iter__(self): + return iter(self.items) + + def __getitem__(self, i): + if isinstance(i, slice): + return list(itertools.islice(self.items, i.start, i.stop, i.step)) + else: + return next(itertools.islice(self.items, i, i + 1)) + + def __delitem__(self, i): + if isinstance(i, slice): + for elt in list(self[i]): + del self.items[elt] + else: + del self.items[self[i]] + + def issubset(self, other): + """Is this set a subset of *other*? + + Returns a ``bool``. + """ + + if not isinstance(other, Set): + raise ValueError('other must be a Set instance') + for item in self.items: + if item not in other.items: + return False + return True + + def issuperset(self, other): + """Is this set a superset of *other*? + + Returns a ``bool``. + """ + + if not isinstance(other, Set): + raise ValueError('other must be a Set instance') + for item in other.items: + if item not in self.items: + return False + return True diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/tokenizer.py b/backend/mb-env/lib/python3.9/site-packages/dns/tokenizer.py new file mode 100644 index 0000000..7ddc7a9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/tokenizer.py @@ -0,0 +1,675 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""Tokenize DNS zone file format""" + +import io +import sys + +import dns.exception +import dns.name +import dns.ttl + +_DELIMITERS = {' ', '\t', '\n', ';', '(', ')', '"'} +_QUOTING_DELIMITERS = {'"'} + +EOF = 0 +EOL = 1 +WHITESPACE = 2 +IDENTIFIER = 3 +QUOTED_STRING = 4 +COMMENT = 5 +DELIMITER = 6 + + +class UngetBufferFull(dns.exception.DNSException): + """An attempt was made to unget a token when the unget buffer was full.""" + + +class Token: + """A DNS zone file format token. + + ttype: The token type + value: The token value + has_escape: Does the token value contain escapes? + """ + + def __init__(self, ttype, value='', has_escape=False, comment=None): + """Initialize a token instance.""" + + self.ttype = ttype + self.value = value + self.has_escape = has_escape + self.comment = comment + + def is_eof(self): + return self.ttype == EOF + + def is_eol(self): + return self.ttype == EOL + + def is_whitespace(self): + return self.ttype == WHITESPACE + + def is_identifier(self): + return self.ttype == IDENTIFIER + + def is_quoted_string(self): + return self.ttype == QUOTED_STRING + + def is_comment(self): + return self.ttype == COMMENT + + def is_delimiter(self): # pragma: no cover (we don't return delimiters yet) + return self.ttype == DELIMITER + + def is_eol_or_eof(self): + return self.ttype == EOL or self.ttype == EOF + + def __eq__(self, other): + if not isinstance(other, Token): + return False + return (self.ttype == other.ttype and + self.value == other.value) + + def __ne__(self, other): + if not isinstance(other, Token): + return True + return (self.ttype != other.ttype or + self.value != other.value) + + def __str__(self): + return '%d "%s"' % (self.ttype, self.value) + + def unescape(self): + if not self.has_escape: + return self + unescaped = '' + l = len(self.value) + i = 0 + while i < l: + c = self.value[i] + i += 1 + if c == '\\': + if i >= l: # pragma: no cover (can't happen via get()) + raise dns.exception.UnexpectedEnd + c = self.value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = self.value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = self.value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + c = chr(codepoint) + unescaped += c + return Token(self.ttype, unescaped) + + def unescape_to_bytes(self): + # We used to use unescape() for TXT-like records, but this + # caused problems as we'd process DNS escapes into Unicode code + # points instead of byte values, and then a to_text() of the + # processed data would not equal the original input. For + # example, \226 in the TXT record would have a to_text() of + # \195\162 because we applied UTF-8 encoding to Unicode code + # point 226. + # + # We now apply escapes while converting directly to bytes, + # avoiding this double encoding. + # + # This code also handles cases where the unicode input has + # non-ASCII code-points in it by converting it to UTF-8. TXT + # records aren't defined for Unicode, but this is the best we + # can do to preserve meaning. For example, + # + # foo\u200bbar + # + # (where \u200b is Unicode code point 0x200b) will be treated + # as if the input had been the UTF-8 encoding of that string, + # namely: + # + # foo\226\128\139bar + # + unescaped = b'' + l = len(self.value) + i = 0 + while i < l: + c = self.value[i] + i += 1 + if c == '\\': + if i >= l: # pragma: no cover (can't happen via get()) + raise dns.exception.UnexpectedEnd + c = self.value[i] + i += 1 + if c.isdigit(): + if i >= l: + raise dns.exception.UnexpectedEnd + c2 = self.value[i] + i += 1 + if i >= l: + raise dns.exception.UnexpectedEnd + c3 = self.value[i] + i += 1 + if not (c2.isdigit() and c3.isdigit()): + raise dns.exception.SyntaxError + codepoint = int(c) * 100 + int(c2) * 10 + int(c3) + if codepoint > 255: + raise dns.exception.SyntaxError + unescaped += b'%c' % (codepoint) + else: + # Note that as mentioned above, if c is a Unicode + # code point outside of the ASCII range, then this + # += is converting that code point to its UTF-8 + # encoding and appending multiple bytes to + # unescaped. + unescaped += c.encode() + else: + unescaped += c.encode() + return Token(self.ttype, bytes(unescaped)) + + +class Tokenizer: + """A DNS zone file format tokenizer. + + A token object is basically a (type, value) tuple. The valid + types are EOF, EOL, WHITESPACE, IDENTIFIER, QUOTED_STRING, + COMMENT, and DELIMITER. + + file: The file to tokenize + + ungotten_char: The most recently ungotten character, or None. + + ungotten_token: The most recently ungotten token, or None. + + multiline: The current multiline level. This value is increased + by one every time a '(' delimiter is read, and decreased by one every time + a ')' delimiter is read. + + quoting: This variable is true if the tokenizer is currently + reading a quoted string. + + eof: This variable is true if the tokenizer has encountered EOF. + + delimiters: The current delimiter dictionary. + + line_number: The current line number + + filename: A filename that will be returned by the where() method. + + idna_codec: A dns.name.IDNACodec, specifies the IDNA + encoder/decoder. If None, the default IDNA 2003 + encoder/decoder is used. + """ + + def __init__(self, f=sys.stdin, filename=None, idna_codec=None): + """Initialize a tokenizer instance. + + f: The file to tokenize. The default is sys.stdin. + This parameter may also be a string, in which case the tokenizer + will take its input from the contents of the string. + + filename: the name of the filename that the where() method + will return. + + idna_codec: A dns.name.IDNACodec, specifies the IDNA + encoder/decoder. If None, the default IDNA 2003 + encoder/decoder is used. + """ + + if isinstance(f, str): + f = io.StringIO(f) + if filename is None: + filename = '' + elif isinstance(f, bytes): + f = io.StringIO(f.decode()) + if filename is None: + filename = '' + else: + if filename is None: + if f is sys.stdin: + filename = '' + else: + filename = '' + self.file = f + self.ungotten_char = None + self.ungotten_token = None + self.multiline = 0 + self.quoting = False + self.eof = False + self.delimiters = _DELIMITERS + self.line_number = 1 + self.filename = filename + if idna_codec is None: + idna_codec = dns.name.IDNA_2003 + self.idna_codec = idna_codec + + def _get_char(self): + """Read a character from input. + """ + + if self.ungotten_char is None: + if self.eof: + c = '' + else: + c = self.file.read(1) + if c == '': + self.eof = True + elif c == '\n': + self.line_number += 1 + else: + c = self.ungotten_char + self.ungotten_char = None + return c + + def where(self): + """Return the current location in the input. + + Returns a (string, int) tuple. The first item is the filename of + the input, the second is the current line number. + """ + + return (self.filename, self.line_number) + + def _unget_char(self, c): + """Unget a character. + + The unget buffer for characters is only one character large; it is + an error to try to unget a character when the unget buffer is not + empty. + + c: the character to unget + raises UngetBufferFull: there is already an ungotten char + """ + + if self.ungotten_char is not None: + # this should never happen! + raise UngetBufferFull # pragma: no cover + self.ungotten_char = c + + def skip_whitespace(self): + """Consume input until a non-whitespace character is encountered. + + The non-whitespace character is then ungotten, and the number of + whitespace characters consumed is returned. + + If the tokenizer is in multiline mode, then newlines are whitespace. + + Returns the number of characters skipped. + """ + + skipped = 0 + while True: + c = self._get_char() + if c != ' ' and c != '\t': + if (c != '\n') or not self.multiline: + self._unget_char(c) + return skipped + skipped += 1 + + def get(self, want_leading=False, want_comment=False): + """Get the next token. + + want_leading: If True, return a WHITESPACE token if the + first character read is whitespace. The default is False. + + want_comment: If True, return a COMMENT token if the + first token read is a comment. The default is False. + + Raises dns.exception.UnexpectedEnd: input ended prematurely + + Raises dns.exception.SyntaxError: input was badly formed + + Returns a Token. + """ + + if self.ungotten_token is not None: + token = self.ungotten_token + self.ungotten_token = None + if token.is_whitespace(): + if want_leading: + return token + elif token.is_comment(): + if want_comment: + return token + else: + return token + skipped = self.skip_whitespace() + if want_leading and skipped > 0: + return Token(WHITESPACE, ' ') + token = '' + ttype = IDENTIFIER + has_escape = False + while True: + c = self._get_char() + if c == '' or c in self.delimiters: + if c == '' and self.quoting: + raise dns.exception.UnexpectedEnd + if token == '' and ttype != QUOTED_STRING: + if c == '(': + self.multiline += 1 + self.skip_whitespace() + continue + elif c == ')': + if self.multiline <= 0: + raise dns.exception.SyntaxError + self.multiline -= 1 + self.skip_whitespace() + continue + elif c == '"': + if not self.quoting: + self.quoting = True + self.delimiters = _QUOTING_DELIMITERS + ttype = QUOTED_STRING + continue + else: + self.quoting = False + self.delimiters = _DELIMITERS + self.skip_whitespace() + continue + elif c == '\n': + return Token(EOL, '\n') + elif c == ';': + while 1: + c = self._get_char() + if c == '\n' or c == '': + break + token += c + if want_comment: + self._unget_char(c) + return Token(COMMENT, token) + elif c == '': + if self.multiline: + raise dns.exception.SyntaxError( + 'unbalanced parentheses') + return Token(EOF, comment=token) + elif self.multiline: + self.skip_whitespace() + token = '' + continue + else: + return Token(EOL, '\n', comment=token) + else: + # This code exists in case we ever want a + # delimiter to be returned. It never produces + # a token currently. + token = c + ttype = DELIMITER + else: + self._unget_char(c) + break + elif self.quoting and c == '\n': + raise dns.exception.SyntaxError('newline in quoted string') + elif c == '\\': + # + # It's an escape. Put it and the next character into + # the token; it will be checked later for goodness. + # + token += c + has_escape = True + c = self._get_char() + if c == '' or (c == '\n' and not self.quoting): + raise dns.exception.UnexpectedEnd + token += c + if token == '' and ttype != QUOTED_STRING: + if self.multiline: + raise dns.exception.SyntaxError('unbalanced parentheses') + ttype = EOF + return Token(ttype, token, has_escape) + + def unget(self, token): + """Unget a token. + + The unget buffer for tokens is only one token large; it is + an error to try to unget a token when the unget buffer is not + empty. + + token: the token to unget + + Raises UngetBufferFull: there is already an ungotten token + """ + + if self.ungotten_token is not None: + raise UngetBufferFull + self.ungotten_token = token + + def next(self): + """Return the next item in an iteration. + + Returns a Token. + """ + + token = self.get() + if token.is_eof(): + raise StopIteration + return token + + __next__ = next + + def __iter__(self): + return self + + # Helpers + + def get_int(self, base=10): + """Read the next token and interpret it as an unsigned integer. + + Raises dns.exception.SyntaxError if not an unsigned integer. + + Returns an int. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError('expecting an identifier') + if not token.value.isdigit(): + raise dns.exception.SyntaxError('expecting an integer') + return int(token.value, base) + + def get_uint8(self): + """Read the next token and interpret it as an 8-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not an 8-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int() + if value < 0 or value > 255: + raise dns.exception.SyntaxError( + '%d is not an unsigned 8-bit integer' % value) + return value + + def get_uint16(self, base=10): + """Read the next token and interpret it as a 16-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 16-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 65535: + if base == 8: + raise dns.exception.SyntaxError( + '%o is not an octal unsigned 16-bit integer' % value) + else: + raise dns.exception.SyntaxError( + '%d is not an unsigned 16-bit integer' % value) + return value + + def get_uint32(self, base=10): + """Read the next token and interpret it as a 32-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 32-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 4294967295: + raise dns.exception.SyntaxError( + '%d is not an unsigned 32-bit integer' % value) + return value + + def get_uint48(self, base=10): + """Read the next token and interpret it as a 48-bit unsigned + integer. + + Raises dns.exception.SyntaxError if not a 48-bit unsigned integer. + + Returns an int. + """ + + value = self.get_int(base=base) + if value < 0 or value > 281474976710655: + raise dns.exception.SyntaxError( + '%d is not an unsigned 48-bit integer' % value) + return value + + def get_string(self, max_length=None): + """Read the next token and interpret it as a string. + + Raises dns.exception.SyntaxError if not a string. + Raises dns.exception.SyntaxError if token value length + exceeds max_length (if specified). + + Returns a string. + """ + + token = self.get().unescape() + if not (token.is_identifier() or token.is_quoted_string()): + raise dns.exception.SyntaxError('expecting a string') + if max_length and len(token.value) > max_length: + raise dns.exception.SyntaxError("string too long") + return token.value + + def get_identifier(self): + """Read the next token, which should be an identifier. + + Raises dns.exception.SyntaxError if not an identifier. + + Returns a string. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError('expecting an identifier') + return token.value + + def get_remaining(self, max_tokens=None): + """Return the remaining tokens on the line, until an EOL or EOF is seen. + + max_tokens: If not None, stop after this number of tokens. + + Returns a list of tokens. + """ + + tokens = [] + while True: + token = self.get() + if token.is_eol_or_eof(): + self.unget(token) + break + tokens.append(token) + if len(tokens) == max_tokens: + break + return tokens + + def concatenate_remaining_identifiers(self): + """Read the remaining tokens on the line, which should be identifiers. + + Raises dns.exception.SyntaxError if a token is seen that is not an + identifier. + + Returns a string containing a concatenation of the remaining + identifiers. + """ + s = "" + while True: + token = self.get().unescape() + if token.is_eol_or_eof(): + self.unget(token) + break + if not token.is_identifier(): + raise dns.exception.SyntaxError + s += token.value + return s + + def as_name(self, token, origin=None, relativize=False, relativize_to=None): + """Try to interpret the token as a DNS name. + + Raises dns.exception.SyntaxError if not a name. + + Returns a dns.name.Name. + """ + if not token.is_identifier(): + raise dns.exception.SyntaxError('expecting an identifier') + name = dns.name.from_text(token.value, origin, self.idna_codec) + return name.choose_relativity(relativize_to or origin, relativize) + + def get_name(self, origin=None, relativize=False, relativize_to=None): + """Read the next token and interpret it as a DNS name. + + Raises dns.exception.SyntaxError if not a name. + + Returns a dns.name.Name. + """ + + token = self.get() + return self.as_name(token, origin, relativize, relativize_to) + + def get_eol_as_token(self): + """Read the next token and raise an exception if it isn't EOL or + EOF. + + Returns a string. + """ + + token = self.get() + if not token.is_eol_or_eof(): + raise dns.exception.SyntaxError( + 'expected EOL or EOF, got %d "%s"' % (token.ttype, + token.value)) + return token + + def get_eol(self): + return self.get_eol_as_token().value + + def get_ttl(self): + """Read the next token and interpret it as a DNS TTL. + + Raises dns.exception.SyntaxError or dns.ttl.BadTTL if not an + identifier or badly formed. + + Returns an int. + """ + + token = self.get().unescape() + if not token.is_identifier(): + raise dns.exception.SyntaxError('expecting an identifier') + return dns.ttl.from_text(token.value) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/transaction.py b/backend/mb-env/lib/python3.9/site-packages/dns/transaction.py new file mode 100644 index 0000000..8aec2e8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/transaction.py @@ -0,0 +1,512 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import collections + +import dns.exception +import dns.name +import dns.rdataclass +import dns.rdataset +import dns.rdatatype +import dns.rrset +import dns.serial +import dns.ttl + + +class TransactionManager: + def reader(self): + """Begin a read-only transaction.""" + raise NotImplementedError # pragma: no cover + + def writer(self, replacement=False): + """Begin a writable transaction. + + *replacement*, a ``bool``. If `True`, the content of the + transaction completely replaces any prior content. If False, + the default, then the content of the transaction updates the + existing content. + """ + raise NotImplementedError # pragma: no cover + + def origin_information(self): + """Returns a tuple + + (absolute_origin, relativize, effective_origin) + + giving the absolute name of the default origin for any + relative domain names, the "effective origin", and whether + names should be relativized. The "effective origin" is the + absolute origin if relativize is False, and the empty name if + relativize is true. (The effective origin is provided even + though it can be computed from the absolute_origin and + relativize setting because it avoids a lot of code + duplication.) + + If the returned names are `None`, then no origin information is + available. + + This information is used by code working with transactions to + allow it to coordinate relativization. The transaction code + itself takes what it gets (i.e. does not change name + relativity). + + """ + raise NotImplementedError # pragma: no cover + + def get_class(self): + """The class of the transaction manager. + """ + raise NotImplementedError # pragma: no cover + + def from_wire_origin(self): + """Origin to use in from_wire() calls. + """ + (absolute_origin, relativize, _) = self.origin_information() + if relativize: + return absolute_origin + else: + return None + + +class DeleteNotExact(dns.exception.DNSException): + """Existing data did not match data specified by an exact delete.""" + + +class ReadOnly(dns.exception.DNSException): + """Tried to write to a read-only transaction.""" + + +class AlreadyEnded(dns.exception.DNSException): + """Tried to use an already-ended transaction.""" + + +class Transaction: + + def __init__(self, manager, replacement=False, read_only=False): + self.manager = manager + self.replacement = replacement + self.read_only = read_only + self._ended = False + + # + # This is the high level API + # + + def get(self, name, rdtype, covers=dns.rdatatype.NONE): + """Return the rdataset associated with *name*, *rdtype*, and *covers*, + or `None` if not found. + + Note that the returned rdataset is immutable. + """ + self._check_ended() + if isinstance(name, str): + name = dns.name.from_text(name, None) + rdtype = dns.rdatatype.RdataType.make(rdtype) + rdataset = self._get_rdataset(name, rdtype, covers) + if rdataset is not None and \ + not isinstance(rdataset, dns.rdataset.ImmutableRdataset): + rdataset = dns.rdataset.ImmutableRdataset(rdataset) + return rdataset + + def _check_read_only(self): + if self.read_only: + raise ReadOnly + + def add(self, *args): + """Add records. + + The arguments may be: + + - rrset + + - name, rdataset... + + - name, ttl, rdata... + """ + self._check_ended() + self._check_read_only() + return self._add(False, args) + + def replace(self, *args): + """Replace the existing rdataset at the name with the specified + rdataset, or add the specified rdataset if there was no existing + rdataset. + + The arguments may be: + + - rrset + + - name, rdataset... + + - name, ttl, rdata... + + Note that if you want to replace the entire node, you should do + a delete of the name followed by one or more calls to add() or + replace(). + """ + self._check_ended() + self._check_read_only() + return self._add(True, args) + + def delete(self, *args): + """Delete records. + + It is not an error if some of the records are not in the existing + set. + + The arguments may be: + + - rrset + + - name + + - name, rdataclass, rdatatype, [covers] + + - name, rdataset... + + - name, rdata... + """ + self._check_ended() + self._check_read_only() + return self._delete(False, args) + + def delete_exact(self, *args): + """Delete records. + + The arguments may be: + + - rrset + + - name + + - name, rdataclass, rdatatype, [covers] + + - name, rdataset... + + - name, rdata... + + Raises dns.transaction.DeleteNotExact if some of the records + are not in the existing set. + + """ + self._check_ended() + self._check_read_only() + return self._delete(True, args) + + def name_exists(self, name): + """Does the specified name exist?""" + self._check_ended() + if isinstance(name, str): + name = dns.name.from_text(name, None) + return self._name_exists(name) + + def update_serial(self, value=1, relative=True, name=dns.name.empty): + """Update the serial number. + + *value*, an `int`, is an increment if *relative* is `True`, or the + actual value to set if *relative* is `False`. + + Raises `KeyError` if there is no SOA rdataset at *name*. + + Raises `ValueError` if *value* is negative or if the increment is + so large that it would cause the new serial to be less than the + prior value. + """ + self._check_ended() + if value < 0: + raise ValueError('negative update_serial() value') + if isinstance(name, str): + name = dns.name.from_text(name, None) + rdataset = self._get_rdataset(name, dns.rdatatype.SOA, + dns.rdatatype.NONE) + if rdataset is None or len(rdataset) == 0: + raise KeyError + if relative: + serial = dns.serial.Serial(rdataset[0].serial) + value + else: + serial = dns.serial.Serial(value) + serial = serial.value # convert back to int + if serial == 0: + serial = 1 + rdata = rdataset[0].replace(serial=serial) + new_rdataset = dns.rdataset.from_rdata(rdataset.ttl, rdata) + self.replace(name, new_rdataset) + + def __iter__(self): + self._check_ended() + return self._iterate_rdatasets() + + def changed(self): + """Has this transaction changed anything? + + For read-only transactions, the result is always `False`. + + For writable transactions, the result is `True` if at some time + during the life of the transaction, the content was changed. + """ + self._check_ended() + return self._changed() + + def commit(self): + """Commit the transaction. + + Normally transactions are used as context managers and commit + or rollback automatically, but it may be done explicitly if needed. + A ``dns.transaction.Ended`` exception will be raised if you try + to use a transaction after it has been committed or rolled back. + + Raises an exception if the commit fails (in which case the transaction + is also rolled back. + """ + self._end(True) + + def rollback(self): + """Rollback the transaction. + + Normally transactions are used as context managers and commit + or rollback automatically, but it may be done explicitly if needed. + A ``dns.transaction.AlreadyEnded`` exception will be raised if you try + to use a transaction after it has been committed or rolled back. + + Rollback cannot otherwise fail. + """ + self._end(False) + + # + # Helper methods + # + + def _raise_if_not_empty(self, method, args): + if len(args) != 0: + raise TypeError(f'extra parameters to {method}') + + def _rdataset_from_args(self, method, deleting, args): + try: + arg = args.popleft() + if isinstance(arg, dns.rrset.RRset): + rdataset = arg.to_rdataset() + elif isinstance(arg, dns.rdataset.Rdataset): + rdataset = arg + else: + if deleting: + ttl = 0 + else: + if isinstance(arg, int): + ttl = arg + if ttl > dns.ttl.MAX_TTL: + raise ValueError(f'{method}: TTL value too big') + else: + raise TypeError(f'{method}: expected a TTL') + arg = args.popleft() + if isinstance(arg, dns.rdata.Rdata): + rdataset = dns.rdataset.from_rdata(ttl, arg) + else: + raise TypeError(f'{method}: expected an Rdata') + return rdataset + except IndexError: + if deleting: + return None + else: + # reraise + raise TypeError(f'{method}: expected more arguments') + + def _add(self, replace, args): + try: + args = collections.deque(args) + if replace: + method = 'replace()' + else: + method = 'add()' + arg = args.popleft() + if isinstance(arg, str): + arg = dns.name.from_text(arg, None) + if isinstance(arg, dns.name.Name): + name = arg + rdataset = self._rdataset_from_args(method, False, args) + elif isinstance(arg, dns.rrset.RRset): + rrset = arg + name = rrset.name + # rrsets are also rdatasets, but they don't print the + # same and can't be stored in nodes, so convert. + rdataset = rrset.to_rdataset() + else: + raise TypeError(f'{method} requires a name or RRset ' + + 'as the first argument') + if rdataset.rdclass != self.manager.get_class(): + raise ValueError(f'{method} has objects of wrong RdataClass') + if rdataset.rdtype == dns.rdatatype.SOA: + (_, _, origin) = self.manager.origin_information() + if name != origin: + raise ValueError(f'{method} has non-origin SOA') + self._raise_if_not_empty(method, args) + if not replace: + existing = self._get_rdataset(name, rdataset.rdtype, + rdataset.covers) + if existing is not None: + if isinstance(existing, dns.rdataset.ImmutableRdataset): + trds = dns.rdataset.Rdataset(existing.rdclass, + existing.rdtype, + existing.covers) + trds.update(existing) + existing = trds + rdataset = existing.union(rdataset) + self._put_rdataset(name, rdataset) + except IndexError: + raise TypeError(f'not enough parameters to {method}') + + def _delete(self, exact, args): + try: + args = collections.deque(args) + if exact: + method = 'delete_exact()' + else: + method = 'delete()' + arg = args.popleft() + if isinstance(arg, str): + arg = dns.name.from_text(arg, None) + if isinstance(arg, dns.name.Name): + name = arg + if len(args) > 0 and (isinstance(args[0], int) or + isinstance(args[0], str)): + # deleting by type and (optionally) covers + rdtype = dns.rdatatype.RdataType.make(args.popleft()) + if len(args) > 0: + covers = dns.rdatatype.RdataType.make(args.popleft()) + else: + covers = dns.rdatatype.NONE + self._raise_if_not_empty(method, args) + existing = self._get_rdataset(name, rdtype, covers) + if existing is None: + if exact: + raise DeleteNotExact(f'{method}: missing rdataset') + else: + self._delete_rdataset(name, rdtype, covers) + return + else: + rdataset = self._rdataset_from_args(method, True, args) + elif isinstance(arg, dns.rrset.RRset): + rdataset = arg # rrsets are also rdatasets + name = rdataset.name + else: + raise TypeError(f'{method} requires a name or RRset ' + + 'as the first argument') + self._raise_if_not_empty(method, args) + if rdataset: + if rdataset.rdclass != self.manager.get_class(): + raise ValueError(f'{method} has objects of wrong ' + 'RdataClass') + existing = self._get_rdataset(name, rdataset.rdtype, + rdataset.covers) + if existing is not None: + if exact: + intersection = existing.intersection(rdataset) + if intersection != rdataset: + raise DeleteNotExact(f'{method}: missing rdatas') + rdataset = existing.difference(rdataset) + if len(rdataset) == 0: + self._delete_rdataset(name, rdataset.rdtype, + rdataset.covers) + else: + self._put_rdataset(name, rdataset) + elif exact: + raise DeleteNotExact(f'{method}: missing rdataset') + else: + if exact and not self._name_exists(name): + raise DeleteNotExact(f'{method}: name not known') + self._delete_name(name) + except IndexError: + raise TypeError(f'not enough parameters to {method}') + + def _check_ended(self): + if self._ended: + raise AlreadyEnded + + def _end(self, commit): + self._check_ended() + if self._ended: + raise AlreadyEnded + try: + self._end_transaction(commit) + finally: + self._ended = True + + # + # Transactions are context managers. + # + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if not self._ended: + if exc_type is None: + self.commit() + else: + self.rollback() + return False + + # + # This is the low level API, which must be implemented by subclasses + # of Transaction. + # + + def _get_rdataset(self, name, rdtype, covers): + """Return the rdataset associated with *name*, *rdtype*, and *covers*, + or `None` if not found. + """ + raise NotImplementedError # pragma: no cover + + def _put_rdataset(self, name, rdataset): + """Store the rdataset.""" + raise NotImplementedError # pragma: no cover + + def _delete_name(self, name): + """Delete all data associated with *name*. + + It is not an error if the rdataset does not exist. + """ + raise NotImplementedError # pragma: no cover + + def _delete_rdataset(self, name, rdtype, covers): + """Delete all data associated with *name*, *rdtype*, and *covers*. + + It is not an error if the rdataset does not exist. + """ + raise NotImplementedError # pragma: no cover + + def _name_exists(self, name): + """Does name exist? + + Returns a bool. + """ + raise NotImplementedError # pragma: no cover + + def _changed(self): + """Has this transaction changed anything?""" + raise NotImplementedError # pragma: no cover + + def _end_transaction(self, commit): + """End the transaction. + + *commit*, a bool. If ``True``, commit the transaction, otherwise + roll it back. + + If committing adn the commit fails, then roll back and raise an + exception. + """ + raise NotImplementedError # pragma: no cover + + def _set_origin(self, origin): + """Set the origin. + + This method is called when reading a possibly relativized + source, and an origin setting operation occurs (e.g. $ORIGIN + in a zone file). + """ + raise NotImplementedError # pragma: no cover + + def _iterate_rdatasets(self): + """Return an iterator that yields (name, rdataset) tuples. + + Not all Transaction subclasses implement this. + """ + raise NotImplementedError # pragma: no cover diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/tsig.py b/backend/mb-env/lib/python3.9/site-packages/dns/tsig.py new file mode 100644 index 0000000..5c773ff --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/tsig.py @@ -0,0 +1,343 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2001-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS TSIG support.""" + +import base64 +import hashlib +import hmac +import struct + +import dns.exception +import dns.rdataclass +import dns.name +import dns.rcode + +class BadTime(dns.exception.DNSException): + + """The current time is not within the TSIG's validity time.""" + + +class BadSignature(dns.exception.DNSException): + + """The TSIG signature fails to verify.""" + + +class BadKey(dns.exception.DNSException): + + """The TSIG record owner name does not match the key.""" + + +class BadAlgorithm(dns.exception.DNSException): + + """The TSIG algorithm does not match the key.""" + + +class PeerError(dns.exception.DNSException): + + """Base class for all TSIG errors generated by the remote peer""" + + +class PeerBadKey(PeerError): + + """The peer didn't know the key we used""" + + +class PeerBadSignature(PeerError): + + """The peer didn't like the signature we sent""" + + +class PeerBadTime(PeerError): + + """The peer didn't like the time we sent""" + + +class PeerBadTruncation(PeerError): + + """The peer didn't like amount of truncation in the TSIG we sent""" + + +# TSIG Algorithms + +HMAC_MD5 = dns.name.from_text("HMAC-MD5.SIG-ALG.REG.INT") +HMAC_SHA1 = dns.name.from_text("hmac-sha1") +HMAC_SHA224 = dns.name.from_text("hmac-sha224") +HMAC_SHA256 = dns.name.from_text("hmac-sha256") +HMAC_SHA256_128 = dns.name.from_text("hmac-sha256-128") +HMAC_SHA384 = dns.name.from_text("hmac-sha384") +HMAC_SHA384_192 = dns.name.from_text("hmac-sha384-192") +HMAC_SHA512 = dns.name.from_text("hmac-sha512") +HMAC_SHA512_256 = dns.name.from_text("hmac-sha512-256") +GSS_TSIG = dns.name.from_text("gss-tsig") + +default_algorithm = HMAC_SHA256 + + +class GSSTSig: + """ + GSS-TSIG TSIG implementation. This uses the GSS-API context established + in the TKEY message handshake to sign messages using GSS-API message + integrity codes, per the RFC. + + In order to avoid a direct GSSAPI dependency, the keyring holds a ref + to the GSSAPI object required, rather than the key itself. + """ + def __init__(self, gssapi_context): + self.gssapi_context = gssapi_context + self.data = b'' + self.name = 'gss-tsig' + + def update(self, data): + self.data += data + + def sign(self): + # defer to the GSSAPI function to sign + return self.gssapi_context.get_signature(self.data) + + def verify(self, expected): + try: + # defer to the GSSAPI function to verify + return self.gssapi_context.verify_signature(self.data, expected) + except Exception: + # note the usage of a bare exception + raise BadSignature + + +class GSSTSigAdapter: + def __init__(self, keyring): + self.keyring = keyring + + def __call__(self, message, keyname): + if keyname in self.keyring: + key = self.keyring[keyname] + if isinstance(key, Key) and key.algorithm == GSS_TSIG: + if message: + GSSTSigAdapter.parse_tkey_and_step(key, message, keyname) + return key + else: + return None + + @classmethod + def parse_tkey_and_step(cls, key, message, keyname): + # if the message is a TKEY type, absorb the key material + # into the context using step(); this is used to allow the + # client to complete the GSSAPI negotiation before attempting + # to verify the signed response to a TKEY message exchange + try: + rrset = message.find_rrset(message.answer, keyname, + dns.rdataclass.ANY, + dns.rdatatype.TKEY) + if rrset: + token = rrset[0].key + gssapi_context = key.secret + return gssapi_context.step(token) + except KeyError: + pass + + +class HMACTSig: + """ + HMAC TSIG implementation. This uses the HMAC python module to handle the + sign/verify operations. + """ + + _hashes = { + HMAC_SHA1: hashlib.sha1, + HMAC_SHA224: hashlib.sha224, + HMAC_SHA256: hashlib.sha256, + HMAC_SHA256_128: (hashlib.sha256, 128), + HMAC_SHA384: hashlib.sha384, + HMAC_SHA384_192: (hashlib.sha384, 192), + HMAC_SHA512: hashlib.sha512, + HMAC_SHA512_256: (hashlib.sha512, 256), + HMAC_MD5: hashlib.md5, + } + + def __init__(self, key, algorithm): + try: + hashinfo = self._hashes[algorithm] + except KeyError: + raise NotImplementedError(f"TSIG algorithm {algorithm} " + + "is not supported") + + # create the HMAC context + if isinstance(hashinfo, tuple): + self.hmac_context = hmac.new(key, digestmod=hashinfo[0]) + self.size = hashinfo[1] + else: + self.hmac_context = hmac.new(key, digestmod=hashinfo) + self.size = None + self.name = self.hmac_context.name + if self.size: + self.name += f'-{self.size}' + + def update(self, data): + return self.hmac_context.update(data) + + def sign(self): + # defer to the HMAC digest() function for that digestmod + digest = self.hmac_context.digest() + if self.size: + digest = digest[: (self.size // 8)] + return digest + + def verify(self, expected): + # re-digest and compare the results + mac = self.sign() + if not hmac.compare_digest(mac, expected): + raise BadSignature + + +def _digest(wire, key, rdata, time=None, request_mac=None, ctx=None, + multi=None): + """Return a context containing the TSIG rdata for the input parameters + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object + @raises ValueError: I{other_data} is too long + @raises NotImplementedError: I{algorithm} is not supported + """ + + first = not (ctx and multi) + if first: + ctx = get_context(key) + if request_mac: + ctx.update(struct.pack('!H', len(request_mac))) + ctx.update(request_mac) + ctx.update(struct.pack('!H', rdata.original_id)) + ctx.update(wire[2:]) + if first: + ctx.update(key.name.to_digestable()) + ctx.update(struct.pack('!H', dns.rdataclass.ANY)) + ctx.update(struct.pack('!I', 0)) + if time is None: + time = rdata.time_signed + upper_time = (time >> 32) & 0xffff + lower_time = time & 0xffffffff + time_encoded = struct.pack('!HIH', upper_time, lower_time, rdata.fudge) + other_len = len(rdata.other) + if other_len > 65535: + raise ValueError('TSIG Other Data is > 65535 bytes') + if first: + ctx.update(key.algorithm.to_digestable() + time_encoded) + ctx.update(struct.pack('!HH', rdata.error, other_len) + rdata.other) + else: + ctx.update(time_encoded) + return ctx + + +def _maybe_start_digest(key, mac, multi): + """If this is the first message in a multi-message sequence, + start a new context. + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object + """ + if multi: + ctx = get_context(key) + ctx.update(struct.pack('!H', len(mac))) + ctx.update(mac) + return ctx + else: + return None + + +def sign(wire, key, rdata, time=None, request_mac=None, ctx=None, multi=False): + """Return a (tsig_rdata, mac, ctx) tuple containing the HMAC TSIG rdata + for the input parameters, the HMAC MAC calculated by applying the + TSIG signature algorithm, and the TSIG digest context. + @rtype: (string, dns.tsig.HMACTSig or dns.tsig.GSSTSig object) + @raises ValueError: I{other_data} is too long + @raises NotImplementedError: I{algorithm} is not supported + """ + + ctx = _digest(wire, key, rdata, time, request_mac, ctx, multi) + mac = ctx.sign() + tsig = rdata.replace(time_signed=time, mac=mac) + + return (tsig, _maybe_start_digest(key, mac, multi)) + + +def validate(wire, key, owner, rdata, now, request_mac, tsig_start, ctx=None, + multi=False): + """Validate the specified TSIG rdata against the other input parameters. + + @raises FormError: The TSIG is badly formed. + @raises BadTime: There is too much time skew between the client and the + server. + @raises BadSignature: The TSIG signature did not validate + @rtype: dns.tsig.HMACTSig or dns.tsig.GSSTSig object""" + + (adcount,) = struct.unpack("!H", wire[10:12]) + if adcount == 0: + raise dns.exception.FormError + adcount -= 1 + new_wire = wire[0:10] + struct.pack("!H", adcount) + wire[12:tsig_start] + if rdata.error != 0: + if rdata.error == dns.rcode.BADSIG: + raise PeerBadSignature + elif rdata.error == dns.rcode.BADKEY: + raise PeerBadKey + elif rdata.error == dns.rcode.BADTIME: + raise PeerBadTime + elif rdata.error == dns.rcode.BADTRUNC: + raise PeerBadTruncation + else: + raise PeerError('unknown TSIG error code %d' % rdata.error) + if abs(rdata.time_signed - now) > rdata.fudge: + raise BadTime + if key.name != owner: + raise BadKey + if key.algorithm != rdata.algorithm: + raise BadAlgorithm + ctx = _digest(new_wire, key, rdata, None, request_mac, ctx, multi) + ctx.verify(rdata.mac) + return _maybe_start_digest(key, rdata.mac, multi) + + +def get_context(key): + """Returns an HMAC context for the specified key. + + @rtype: HMAC context + @raises NotImplementedError: I{algorithm} is not supported + """ + + if key.algorithm == GSS_TSIG: + return GSSTSig(key.secret) + else: + return HMACTSig(key.secret, key.algorithm) + + +class Key: + def __init__(self, name, secret, algorithm=default_algorithm): + if isinstance(name, str): + name = dns.name.from_text(name) + self.name = name + if isinstance(secret, str): + secret = base64.decodebytes(secret.encode()) + self.secret = secret + if isinstance(algorithm, str): + algorithm = dns.name.from_text(algorithm) + self.algorithm = algorithm + + def __eq__(self, other): + return (isinstance(other, Key) and + self.name == other.name and + self.secret == other.secret and + self.algorithm == other.algorithm) + + def __repr__(self): + return f"" diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/tsigkeyring.py b/backend/mb-env/lib/python3.9/site-packages/dns/tsigkeyring.py new file mode 100644 index 0000000..47a1f79 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/tsigkeyring.py @@ -0,0 +1,64 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""A place to store TSIG keys.""" + +import base64 + +import dns.name + + +def from_text(textring): + """Convert a dictionary containing (textual DNS name, base64 secret) + pairs into a binary keyring which has (dns.name.Name, bytes) pairs, or + a dictionary containing (textual DNS name, (algorithm, base64 secret)) + pairs into a binary keyring which has (dns.name.Name, dns.tsig.Key) pairs. + @rtype: dict""" + + keyring = {} + for (name, value) in textring.items(): + name = dns.name.from_text(name) + if isinstance(value, str): + keyring[name] = dns.tsig.Key(name, value).secret + else: + (algorithm, secret) = value + keyring[name] = dns.tsig.Key(name, secret, algorithm) + return keyring + + +def to_text(keyring): + """Convert a dictionary containing (dns.name.Name, dns.tsig.Key) pairs + into a text keyring which has (textual DNS name, (textual algorithm, + base64 secret)) pairs, or a dictionary containing (dns.name.Name, bytes) + pairs into a text keyring which has (textual DNS name, base64 secret) pairs. + @rtype: dict""" + + textring = {} + def b64encode(secret): + return base64.encodebytes(secret).decode().rstrip() + for (name, key) in keyring.items(): + name = name.to_text() + if isinstance(key, bytes): + textring[name] = b64encode(key) + else: + if isinstance(key.secret, bytes): + text_secret = b64encode(key.secret) + else: + text_secret = str(key.secret) + + textring[name] = (key.algorithm.to_text(), text_secret) + return textring diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/ttl.py b/backend/mb-env/lib/python3.9/site-packages/dns/ttl.py new file mode 100644 index 0000000..8ea5213 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/ttl.py @@ -0,0 +1,84 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS TTL conversion.""" + +import dns.exception + +MAX_TTL = 2147483647 + +class BadTTL(dns.exception.SyntaxError): + """DNS TTL value is not well-formed.""" + + +def from_text(text): + """Convert the text form of a TTL to an integer. + + The BIND 8 units syntax for TTLs (e.g. '1w6d4h3m10s') is supported. + + *text*, a ``str``, the textual TTL. + + Raises ``dns.ttl.BadTTL`` if the TTL is not well-formed. + + Returns an ``int``. + """ + + if text.isdigit(): + total = int(text) + elif len(text) == 0: + raise BadTTL + else: + total = 0 + current = 0 + need_digit = True + for c in text: + if c.isdigit(): + current *= 10 + current += int(c) + need_digit = False + else: + if need_digit: + raise BadTTL + c = c.lower() + if c == 'w': + total += current * 604800 + elif c == 'd': + total += current * 86400 + elif c == 'h': + total += current * 3600 + elif c == 'm': + total += current * 60 + elif c == 's': + total += current + else: + raise BadTTL("unknown unit '%s'" % c) + current = 0 + need_digit = True + if not current == 0: + raise BadTTL("trailing integer") + if total < 0 or total > MAX_TTL: + raise BadTTL("TTL should be between 0 and 2^31 - 1 (inclusive)") + return total + + +def make(value): + if isinstance(value, int): + return value + elif isinstance(value, str): + return dns.ttl.from_text(value) + else: + raise ValueError('cannot convert value to TTL') diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/update.py b/backend/mb-env/lib/python3.9/site-packages/dns/update.py new file mode 100644 index 0000000..a541af2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/update.py @@ -0,0 +1,319 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Dynamic Update Support""" + + +import dns.message +import dns.name +import dns.opcode +import dns.rdata +import dns.rdataclass +import dns.rdataset +import dns.tsig + + +class UpdateSection(dns.enum.IntEnum): + """Update sections""" + ZONE = 0 + PREREQ = 1 + UPDATE = 2 + ADDITIONAL = 3 + + @classmethod + def _maximum(cls): + return 3 + + +class UpdateMessage(dns.message.Message): + + _section_enum = UpdateSection + + def __init__(self, zone=None, rdclass=dns.rdataclass.IN, keyring=None, + keyname=None, keyalgorithm=dns.tsig.default_algorithm, + id=None): + """Initialize a new DNS Update object. + + See the documentation of the Message class for a complete + description of the keyring dictionary. + + *zone*, a ``dns.name.Name``, ``str``, or ``None``, the zone + which is being updated. ``None`` should only be used by dnspython's + message constructors, as a zone is required for the convenience + methods like ``add()``, ``replace()``, etc. + + *rdclass*, an ``int`` or ``str``, the class of the zone. + + The *keyring*, *keyname*, and *keyalgorithm* parameters are passed to + ``use_tsig()``; see its documentation for details. + """ + super().__init__(id=id) + self.flags |= dns.opcode.to_flags(dns.opcode.UPDATE) + if isinstance(zone, str): + zone = dns.name.from_text(zone) + self.origin = zone + rdclass = dns.rdataclass.RdataClass.make(rdclass) + self.zone_rdclass = rdclass + if self.origin: + self.find_rrset(self.zone, self.origin, rdclass, dns.rdatatype.SOA, + create=True, force_unique=True) + if keyring is not None: + self.use_tsig(keyring, keyname, algorithm=keyalgorithm) + + @property + def zone(self): + """The zone section.""" + return self.sections[0] + + @zone.setter + def zone(self, v): + self.sections[0] = v + + @property + def prerequisite(self): + """The prerequisite section.""" + return self.sections[1] + + @prerequisite.setter + def prerequisite(self, v): + self.sections[1] = v + + @property + def update(self): + """The update section.""" + return self.sections[2] + + @update.setter + def update(self, v): + self.sections[2] = v + + def _add_rr(self, name, ttl, rd, deleting=None, section=None): + """Add a single RR to the update section.""" + + if section is None: + section = self.update + covers = rd.covers() + rrset = self.find_rrset(section, name, self.zone_rdclass, rd.rdtype, + covers, deleting, True, True) + rrset.add(rd, ttl) + + def _add(self, replace, section, name, *args): + """Add records. + + *replace* is the replacement mode. If ``False``, + RRs are added to an existing RRset; if ``True``, the RRset + is replaced with the specified contents. The second + argument is the section to add to. The third argument + is always a name. The other arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if isinstance(args[0], dns.rdataset.Rdataset): + for rds in args: + if replace: + self.delete(name, rds.rdtype) + for rd in rds: + self._add_rr(name, rds.ttl, rd, section=section) + else: + args = list(args) + ttl = int(args.pop(0)) + if isinstance(args[0], dns.rdata.Rdata): + if replace: + self.delete(name, args[0].rdtype) + for rd in args: + self._add_rr(name, ttl, rd, section=section) + else: + rdtype = dns.rdatatype.RdataType.make(args.pop(0)) + if replace: + self.delete(name, rdtype) + for s in args: + rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, + self.origin) + self._add_rr(name, ttl, rd, section=section) + + def add(self, name, *args): + """Add records. + + The first argument is always a name. The other + arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + """ + + self._add(False, self.update, name, *args) + + def delete(self, name, *args): + """Delete records. + + The first argument is always a name. The other + arguments can be: + + - *empty* + + - rdataset... + + - rdata... + + - rdtype, [string...] + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if len(args) == 0: + self.find_rrset(self.update, name, dns.rdataclass.ANY, + dns.rdatatype.ANY, dns.rdatatype.NONE, + dns.rdatatype.ANY, True, True) + elif isinstance(args[0], dns.rdataset.Rdataset): + for rds in args: + for rd in rds: + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + else: + args = list(args) + if isinstance(args[0], dns.rdata.Rdata): + for rd in args: + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + else: + rdtype = dns.rdatatype.RdataType.make(args.pop(0)) + if len(args) == 0: + self.find_rrset(self.update, name, + self.zone_rdclass, rdtype, + dns.rdatatype.NONE, + dns.rdataclass.ANY, + True, True) + else: + for s in args: + rd = dns.rdata.from_text(self.zone_rdclass, rdtype, s, + self.origin) + self._add_rr(name, 0, rd, dns.rdataclass.NONE) + + def replace(self, name, *args): + """Replace records. + + The first argument is always a name. The other + arguments can be: + + - rdataset... + + - ttl, rdata... + + - ttl, rdtype, string... + + Note that if you want to replace the entire node, you should do + a delete of the name followed by one or more calls to add. + """ + + self._add(True, self.update, name, *args) + + def present(self, name, *args): + """Require that an owner name (and optionally an rdata type, + or specific rdataset) exists as a prerequisite to the + execution of the update. + + The first argument is always a name. + The other arguments can be: + + - rdataset... + + - rdata... + + - rdtype, string... + """ + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if len(args) == 0: + self.find_rrset(self.prerequisite, name, + dns.rdataclass.ANY, dns.rdatatype.ANY, + dns.rdatatype.NONE, None, + True, True) + elif isinstance(args[0], dns.rdataset.Rdataset) or \ + isinstance(args[0], dns.rdata.Rdata) or \ + len(args) > 1: + if not isinstance(args[0], dns.rdataset.Rdataset): + # Add a 0 TTL + args = list(args) + args.insert(0, 0) + self._add(False, self.prerequisite, name, *args) + else: + rdtype = dns.rdatatype.RdataType.make(args[0]) + self.find_rrset(self.prerequisite, name, + dns.rdataclass.ANY, rdtype, + dns.rdatatype.NONE, None, + True, True) + + def absent(self, name, rdtype=None): + """Require that an owner name (and optionally an rdata type) does + not exist as a prerequisite to the execution of the update.""" + + if isinstance(name, str): + name = dns.name.from_text(name, None) + if rdtype is None: + self.find_rrset(self.prerequisite, name, + dns.rdataclass.NONE, dns.rdatatype.ANY, + dns.rdatatype.NONE, None, + True, True) + else: + rdtype = dns.rdatatype.RdataType.make(rdtype) + self.find_rrset(self.prerequisite, name, + dns.rdataclass.NONE, rdtype, + dns.rdatatype.NONE, None, + True, True) + + def _get_one_rr_per_rrset(self, value): + # Updates are always one_rr_per_rrset + return True + + def _parse_rr_header(self, section, name, rdclass, rdtype): + deleting = None + empty = False + if section == UpdateSection.ZONE: + if dns.rdataclass.is_metaclass(rdclass) or \ + rdtype != dns.rdatatype.SOA or \ + self.zone: + raise dns.exception.FormError + else: + if not self.zone: + raise dns.exception.FormError + if rdclass in (dns.rdataclass.ANY, dns.rdataclass.NONE): + deleting = rdclass + rdclass = self.zone[0].rdclass + empty = (deleting == dns.rdataclass.ANY or + section == UpdateSection.PREREQ) + return (rdclass, rdtype, deleting, empty) + +# backwards compatibility +Update = UpdateMessage + +### BEGIN generated UpdateSection constants + +ZONE = UpdateSection.ZONE +PREREQ = UpdateSection.PREREQ +UPDATE = UpdateSection.UPDATE +ADDITIONAL = UpdateSection.ADDITIONAL + +### END generated UpdateSection constants diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/version.py b/backend/mb-env/lib/python3.9/site-packages/dns/version.py new file mode 100644 index 0000000..b371b73 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/version.py @@ -0,0 +1,46 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""dnspython release version information.""" + +#: MAJOR +MAJOR = 2 +#: MINOR +MINOR = 1 +#: MICRO +MICRO = 0 +#: RELEASELEVEL +RELEASELEVEL = 0x0f +#: SERIAL +SERIAL = 0 + +if RELEASELEVEL == 0x0f: # pragma: no cover + #: version + version = '%d.%d.%d' % (MAJOR, MINOR, MICRO) +elif RELEASELEVEL == 0x00: # pragma: no cover + version = '%d.%d.%ddev%d' % \ + (MAJOR, MINOR, MICRO, SERIAL) +elif RELEASELEVEL == 0x0c: # pragma: no cover + version = '%d.%d.%drc%d' % \ + (MAJOR, MINOR, MICRO, SERIAL) +else: # pragma: no cover + version = '%d.%d.%d%x%d' % \ + (MAJOR, MINOR, MICRO, RELEASELEVEL, SERIAL) + +#: hexversion +hexversion = MAJOR << 24 | MINOR << 16 | MICRO << 8 | RELEASELEVEL << 4 | \ + SERIAL diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/versioned.py b/backend/mb-env/lib/python3.9/site-packages/dns/versioned.py new file mode 100644 index 0000000..686a83b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/versioned.py @@ -0,0 +1,455 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +"""DNS Versioned Zones.""" + +import collections +try: + import threading as _threading +except ImportError: # pragma: no cover + import dummy_threading as _threading # type: ignore + +import dns.exception +import dns.immutable +import dns.name +import dns.node +import dns.rdataclass +import dns.rdatatype +import dns.rdata +import dns.rdtypes.ANY.SOA +import dns.transaction +import dns.zone + + +class UseTransaction(dns.exception.DNSException): + """To alter a versioned zone, use a transaction.""" + + +class Version: + def __init__(self, zone, id): + self.zone = zone + self.id = id + self.nodes = {} + + def _validate_name(self, name): + if name.is_absolute(): + if not name.is_subdomain(self.zone.origin): + raise KeyError("name is not a subdomain of the zone origin") + if self.zone.relativize: + name = name.relativize(self.origin) + return name + + def get_node(self, name): + name = self._validate_name(name) + return self.nodes.get(name) + + def get_rdataset(self, name, rdtype, covers): + node = self.get_node(name) + if node is None: + return None + return node.get_rdataset(self.zone.rdclass, rdtype, covers) + + def items(self): + return self.nodes.items() # pylint: disable=dict-items-not-iterating + + +class WritableVersion(Version): + def __init__(self, zone, replacement=False): + # The zone._versions_lock must be held by our caller. + if len(zone._versions) > 0: + id = zone._versions[-1].id + 1 + else: + id = 1 + super().__init__(zone, id) + if not replacement: + # We copy the map, because that gives us a simple and thread-safe + # way of doing versions, and we have a garbage collector to help + # us. We only make new node objects if we actually change the + # node. + self.nodes.update(zone.nodes) + # We have to copy the zone origin as it may be None in the first + # version, and we don't want to mutate the zone until we commit. + self.origin = zone.origin + self.changed = set() + + def _maybe_cow(self, name): + name = self._validate_name(name) + node = self.nodes.get(name) + if node is None or node.id != self.id: + new_node = self.zone.node_factory() + new_node.id = self.id + if node is not None: + # moo! copy on write! + new_node.rdatasets.extend(node.rdatasets) + self.nodes[name] = new_node + self.changed.add(name) + return new_node + else: + return node + + def delete_node(self, name): + name = self._validate_name(name) + if name in self.nodes: + del self.nodes[name] + self.changed.add(name) + + def put_rdataset(self, name, rdataset): + node = self._maybe_cow(name) + node.replace_rdataset(rdataset) + + def delete_rdataset(self, name, rdtype, covers): + node = self._maybe_cow(name) + node.delete_rdataset(self.zone.rdclass, rdtype, covers) + if len(node) == 0: + del self.nodes[name] + + +@dns.immutable.immutable +class ImmutableVersion(Version): + def __init__(self, version): + # We tell super() that it's a replacement as we don't want it + # to copy the nodes, as we're about to do that with an + # immutable Dict. + super().__init__(version.zone, True) + # set the right id! + self.id = version.id + # Make changed nodes immutable + for name in version.changed: + node = version.nodes.get(name) + # it might not exist if we deleted it in the version + if node: + version.nodes[name] = ImmutableNode(node) + self.nodes = dns.immutable.Dict(version.nodes, True) + + +# A node with a version id. + +class Node(dns.node.Node): + __slots__ = ['id'] + + def __init__(self): + super().__init__() + # A proper id will get set by the Version + self.id = 0 + + +@dns.immutable.immutable +class ImmutableNode(Node): + __slots__ = ['id'] + + def __init__(self, node): + super().__init__() + self.id = node.id + self.rdatasets = tuple( + [dns.rdataset.ImmutableRdataset(rds) for rds in node.rdatasets] + ) + + def find_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, + create=False): + if create: + raise TypeError("immutable") + return super().find_rdataset(rdclass, rdtype, covers, False) + + def get_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE, + create=False): + if create: + raise TypeError("immutable") + return super().get_rdataset(rdclass, rdtype, covers, False) + + def delete_rdataset(self, rdclass, rdtype, covers=dns.rdatatype.NONE): + raise TypeError("immutable") + + def replace_rdataset(self, replacement): + raise TypeError("immutable") + + +class Zone(dns.zone.Zone): + + __slots__ = ['_versions', '_versions_lock', '_write_txn', + '_write_waiters', '_write_event', '_pruning_policy', + '_readers'] + + node_factory = Node + + def __init__(self, origin, rdclass=dns.rdataclass.IN, relativize=True, + pruning_policy=None): + """Initialize a versioned zone object. + + *origin* is the origin of the zone. It may be a ``dns.name.Name``, + a ``str``, or ``None``. If ``None``, then the zone's origin will + be set by the first ``$ORIGIN`` line in a zone file. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *pruning policy*, a function taking a `Version` and returning + a `bool`, or `None`. Should the version be pruned? If `None`, + the default policy, which retains one version is used. + """ + super().__init__(origin, rdclass, relativize) + self._versions = collections.deque() + self._version_lock = _threading.Lock() + if pruning_policy is None: + self._pruning_policy = self._default_pruning_policy + else: + self._pruning_policy = pruning_policy + self._write_txn = None + self._write_event = None + self._write_waiters = collections.deque() + self._readers = set() + self._commit_version_unlocked(None, WritableVersion(self), origin) + + def reader(self, id=None, serial=None): # pylint: disable=arguments-differ + if id is not None and serial is not None: + raise ValueError('cannot specify both id and serial') + with self._version_lock: + if id is not None: + version = None + for v in reversed(self._versions): + if v.id == id: + version = v + break + if version is None: + raise KeyError('version not found') + elif serial is not None: + if self.relativize: + oname = dns.name.empty + else: + oname = self.origin + version = None + for v in reversed(self._versions): + n = v.nodes.get(oname) + if n: + rds = n.get_rdataset(self.rdclass, dns.rdatatype.SOA) + if rds and rds[0].serial == serial: + version = v + break + if version is None: + raise KeyError('serial not found') + else: + version = self._versions[-1] + txn = Transaction(self, False, version) + self._readers.add(txn) + return txn + + def writer(self, replacement=False): + event = None + while True: + with self._version_lock: + # Checking event == self._write_event ensures that either + # no one was waiting before we got lucky and found no write + # txn, or we were the one who was waiting and got woken up. + # This prevents "taking cuts" when creating a write txn. + if self._write_txn is None and event == self._write_event: + # Creating the transaction defers version setup + # (i.e. copying the nodes dictionary) until we + # give up the lock, so that we hold the lock as + # short a time as possible. This is why we call + # _setup_version() below. + self._write_txn = Transaction(self, replacement) + # give up our exclusive right to make a Transaction + self._write_event = None + break + # Someone else is writing already, so we will have to + # wait, but we want to do the actual wait outside the + # lock. + event = _threading.Event() + self._write_waiters.append(event) + # wait (note we gave up the lock!) + # + # We only wake one sleeper at a time, so it's important + # that no event waiter can exit this method (e.g. via + # cancelation) without returning a transaction or waking + # someone else up. + # + # This is not a problem with Threading module threads as + # they cannot be canceled, but could be an issue with trio + # or curio tasks when we do the async version of writer(). + # I.e. we'd need to do something like: + # + # try: + # event.wait() + # except trio.Cancelled: + # with self._version_lock: + # self._maybe_wakeup_one_waiter_unlocked() + # raise + # + event.wait() + # Do the deferred version setup. + self._write_txn._setup_version() + return self._write_txn + + def _maybe_wakeup_one_waiter_unlocked(self): + if len(self._write_waiters) > 0: + self._write_event = self._write_waiters.popleft() + self._write_event.set() + + # pylint: disable=unused-argument + def _default_pruning_policy(self, zone, version): + return True + # pylint: enable=unused-argument + + def _prune_versions_unlocked(self): + assert len(self._versions) > 0 + # Don't ever prune a version greater than or equal to one that + # a reader has open. This pins versions in memory while the + # reader is open, and importantly lets the reader open a txn on + # a successor version (e.g. if generating an IXFR). + # + # Note our definition of least_kept also ensures we do not try to + # delete the greatest version. + if len(self._readers) > 0: + least_kept = min(txn.version.id for txn in self._readers) + else: + least_kept = self._versions[-1].id + while self._versions[0].id < least_kept and \ + self._pruning_policy(self, self._versions[0]): + self._versions.popleft() + + def set_max_versions(self, max_versions): + """Set a pruning policy that retains up to the specified number + of versions + """ + if max_versions is not None and max_versions < 1: + raise ValueError('max versions must be at least 1') + if max_versions is None: + def policy(*_): + return False + else: + def policy(zone, _): + return len(zone._versions) > max_versions + self.set_pruning_policy(policy) + + def set_pruning_policy(self, policy): + """Set the pruning policy for the zone. + + The *policy* function takes a `Version` and returns `True` if + the version should be pruned, and `False` otherwise. `None` + may also be specified for policy, in which case the default policy + is used. + + Pruning checking proceeds from the least version and the first + time the function returns `False`, the checking stops. I.e. the + retained versions are always a consecutive sequence. + """ + if policy is None: + policy = self._default_pruning_policy + with self._version_lock: + self._pruning_policy = policy + self._prune_versions_unlocked() + + def _end_read(self, txn): + with self._version_lock: + self._readers.remove(txn) + self._prune_versions_unlocked() + + def _end_write_unlocked(self, txn): + assert self._write_txn == txn + self._write_txn = None + self._maybe_wakeup_one_waiter_unlocked() + + def _end_write(self, txn): + with self._version_lock: + self._end_write_unlocked(txn) + + def _commit_version_unlocked(self, txn, version, origin): + self._versions.append(version) + self._prune_versions_unlocked() + self.nodes = version.nodes + if self.origin is None: + self.origin = origin + # txn can be None in __init__ when we make the empty version. + if txn is not None: + self._end_write_unlocked(txn) + + def _commit_version(self, txn, version, origin): + with self._version_lock: + self._commit_version_unlocked(txn, version, origin) + + def find_node(self, name, create=False): + if create: + raise UseTransaction + return super().find_node(name) + + def delete_node(self, name): + raise UseTransaction + + def find_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, + create=False): + if create: + raise UseTransaction + rdataset = super().find_rdataset(name, rdtype, covers) + return dns.rdataset.ImmutableRdataset(rdataset) + + def get_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, + create=False): + if create: + raise UseTransaction + rdataset = super().get_rdataset(name, rdtype, covers) + return dns.rdataset.ImmutableRdataset(rdataset) + + def delete_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE): + raise UseTransaction + + def replace_rdataset(self, name, replacement): + raise UseTransaction + + +class Transaction(dns.transaction.Transaction): + + def __init__(self, zone, replacement, version=None): + read_only = version is not None + super().__init__(zone, replacement, read_only) + self.version = version + + @property + def zone(self): + return self.manager + + def _setup_version(self): + assert self.version is None + self.version = WritableVersion(self.zone, self.replacement) + + def _get_rdataset(self, name, rdtype, covers): + return self.version.get_rdataset(name, rdtype, covers) + + def _put_rdataset(self, name, rdataset): + assert not self.read_only + self.version.put_rdataset(name, rdataset) + + def _delete_name(self, name): + assert not self.read_only + self.version.delete_node(name) + + def _delete_rdataset(self, name, rdtype, covers): + assert not self.read_only + self.version.delete_rdataset(name, rdtype, covers) + + def _name_exists(self, name): + return self.version.get_node(name) is not None + + def _changed(self): + if self.read_only: + return False + else: + return len(self.version.changed) > 0 + + def _end_transaction(self, commit): + if self.read_only: + self.zone._end_read(self) + elif commit and len(self.version.changed) > 0: + self.zone._commit_version(self, ImmutableVersion(self.version), + self.version.origin) + else: + # rollback + self.zone._end_write(self) + + def _set_origin(self, origin): + if self.version.origin is None: + self.version.origin = origin + + def _iterate_rdatasets(self): + for (name, node) in self.version.items(): + for rdataset in node: + yield (name, rdataset) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/wire.py b/backend/mb-env/lib/python3.9/site-packages/dns/wire.py new file mode 100644 index 0000000..572e27e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/wire.py @@ -0,0 +1,85 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +import contextlib +import struct + +import dns.exception +import dns.name + +class Parser: + def __init__(self, wire, current=0): + self.wire = wire + self.current = 0 + self.end = len(self.wire) + if current: + self.seek(current) + self.furthest = current + + def remaining(self): + return self.end - self.current + + def get_bytes(self, size): + if size > self.remaining(): + raise dns.exception.FormError + output = self.wire[self.current:self.current + size] + self.current += size + self.furthest = max(self.furthest, self.current) + return output + + def get_counted_bytes(self, length_size=1): + length = int.from_bytes(self.get_bytes(length_size), 'big') + return self.get_bytes(length) + + def get_remaining(self): + return self.get_bytes(self.remaining()) + + def get_uint8(self): + return struct.unpack('!B', self.get_bytes(1))[0] + + def get_uint16(self): + return struct.unpack('!H', self.get_bytes(2))[0] + + def get_uint32(self): + return struct.unpack('!I', self.get_bytes(4))[0] + + def get_uint48(self): + return int.from_bytes(self.get_bytes(6), 'big') + + def get_struct(self, format): + return struct.unpack(format, self.get_bytes(struct.calcsize(format))) + + def get_name(self, origin=None): + name = dns.name.from_wire_parser(self) + if origin: + name = name.relativize(origin) + return name + + def seek(self, where): + # Note that seeking to the end is OK! (If you try to read + # after such a seek, you'll get an exception as expected.) + if where < 0 or where > self.end: + raise dns.exception.FormError + self.current = where + + @contextlib.contextmanager + def restrict_to(self, size): + if size > self.remaining(): + raise dns.exception.FormError + saved_end = self.end + try: + self.end = self.current + size + yield + # We make this check here and not in the finally as we + # don't want to raise if we're already raising for some + # other reason. + if self.current != self.end: + raise dns.exception.FormError + finally: + self.end = saved_end + + @contextlib.contextmanager + def restore_furthest(self): + try: + yield None + finally: + self.current = self.furthest diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/xfr.py b/backend/mb-env/lib/python3.9/site-packages/dns/xfr.py new file mode 100644 index 0000000..b07f8b9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/xfr.py @@ -0,0 +1,295 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2017 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +import dns.exception +import dns.message +import dns.name +import dns.rcode +import dns.serial +import dns.rdatatype +import dns.zone + + +class TransferError(dns.exception.DNSException): + """A zone transfer response got a non-zero rcode.""" + + def __init__(self, rcode): + message = 'Zone transfer error: %s' % dns.rcode.to_text(rcode) + super().__init__(message) + self.rcode = rcode + + +class SerialWentBackwards(dns.exception.FormError): + """The current serial number is less than the serial we know.""" + + +class UseTCP(dns.exception.DNSException): + """This IXFR cannot be completed with UDP.""" + + +class Inbound: + """ + State machine for zone transfers. + """ + + def __init__(self, txn_manager, rdtype=dns.rdatatype.AXFR, + serial=None, is_udp=False): + """Initialize an inbound zone transfer. + + *txn_manager* is a :py:class:`dns.transaction.TransactionManager`. + + *rdtype* can be `dns.rdatatype.AXFR` or `dns.rdatatype.IXFR` + + *serial* is the base serial number for IXFRs, and is required in + that case. + + *is_udp*, a ``bool`` indidicates if UDP is being used for this + XFR. + """ + self.txn_manager = txn_manager + self.txn = None + self.rdtype = rdtype + if rdtype == dns.rdatatype.IXFR: + if serial is None: + raise ValueError('a starting serial must be supplied for IXFRs') + elif is_udp: + raise ValueError('is_udp specified for AXFR') + self.serial = serial + self.is_udp = is_udp + (_, _, self.origin) = txn_manager.origin_information() + self.soa_rdataset = None + self.done = False + self.expecting_SOA = False + self.delete_mode = False + + def process_message(self, message): + """Process one message in the transfer. + + The message should have the same relativization as was specified when + the `dns.xfr.Inbound` was created. The message should also have been + created with `one_rr_per_rrset=True` because order matters. + + Returns `True` if the transfer is complete, and `False` otherwise. + """ + if self.txn is None: + replacement = self.rdtype == dns.rdatatype.AXFR + self.txn = self.txn_manager.writer(replacement) + rcode = message.rcode() + if rcode != dns.rcode.NOERROR: + raise TransferError(rcode) + # + # We don't require a question section, but if it is present is + # should be correct. + # + if len(message.question) > 0: + if message.question[0].name != self.origin: + raise dns.exception.FormError("wrong question name") + if message.question[0].rdtype != self.rdtype: + raise dns.exception.FormError("wrong question rdatatype") + answer_index = 0 + if self.soa_rdataset is None: + # + # This is the first message. We're expecting an SOA at + # the origin. + # + if not message.answer or message.answer[0].name != self.origin: + raise dns.exception.FormError("No answer or RRset not " + "for zone origin") + rrset = message.answer[0] + name = rrset.name + rdataset = rrset + if rdataset.rdtype != dns.rdatatype.SOA: + raise dns.exception.FormError("first RRset is not an SOA") + answer_index = 1 + self.soa_rdataset = rdataset.copy() + if self.rdtype == dns.rdatatype.IXFR: + if self.soa_rdataset[0].serial == self.serial: + # + # We're already up-to-date. + # + self.done = True + elif dns.serial.Serial(self.soa_rdataset[0].serial) < \ + self.serial: + # It went backwards! + print(dns.serial.Serial(self.soa_rdataset[0].serial), + self.serial) + raise SerialWentBackwards + else: + if self.is_udp and len(message.answer[answer_index:]) == 0: + # + # There are no more records, so this is the + # "truncated" response. Say to use TCP + # + raise UseTCP + # + # Note we're expecting another SOA so we can detect + # if this IXFR response is an AXFR-style response. + # + self.expecting_SOA = True + # + # Process the answer section (other than the initial SOA in + # the first message). + # + for rrset in message.answer[answer_index:]: + name = rrset.name + rdataset = rrset + if self.done: + raise dns.exception.FormError("answers after final SOA") + if rdataset.rdtype == dns.rdatatype.SOA and \ + name == self.origin: + # + # Every time we see an origin SOA delete_mode inverts + # + if self.rdtype == dns.rdatatype.IXFR: + self.delete_mode = not self.delete_mode + # + # If this SOA Rdataset is equal to the first we saw + # then we're finished. If this is an IXFR we also + # check that we're seeing the record in the expected + # part of the response. + # + if rdataset == self.soa_rdataset and \ + (self.rdtype == dns.rdatatype.AXFR or + (self.rdtype == dns.rdatatype.IXFR and + self.delete_mode)): + # + # This is the final SOA + # + if self.expecting_SOA: + # We got an empty IXFR sequence! + raise dns.exception.FormError('empty IXFR sequence') + if self.rdtype == dns.rdatatype.IXFR \ + and self.serial != rdataset[0].serial: + raise dns.exception.FormError('unexpected end of IXFR ' + 'sequence') + self.txn.replace(name, rdataset) + self.txn.commit() + self.txn = None + self.done = True + else: + # + # This is not the final SOA + # + self.expecting_SOA = False + if self.rdtype == dns.rdatatype.IXFR: + if self.delete_mode: + # This is the start of an IXFR deletion set + if rdataset[0].serial != self.serial: + raise dns.exception.FormError( + "IXFR base serial mismatch") + else: + # This is the start of an IXFR addition set + self.serial = rdataset[0].serial + self.txn.replace(name, rdataset) + else: + # We saw a non-final SOA for the origin in an AXFR. + raise dns.exception.FormError('unexpected origin SOA ' + 'in AXFR') + continue + if self.expecting_SOA: + # + # We made an IXFR request and are expecting another + # SOA RR, but saw something else, so this must be an + # AXFR response. + # + self.rdtype = dns.rdatatype.AXFR + self.expecting_SOA = False + self.delete_mode = False + self.txn.rollback() + self.txn = self.txn_manager.writer(True) + # + # Note we are falling through into the code below + # so whatever rdataset this was gets written. + # + # Add or remove the data + if self.delete_mode: + self.txn.delete_exact(name, rdataset) + else: + self.txn.add(name, rdataset) + if self.is_udp and not self.done: + # + # This is a UDP IXFR and we didn't get to done, and we didn't + # get the proper "truncated" response + # + raise dns.exception.FormError('unexpected end of UDP IXFR') + return self.done + + # + # Inbounds are context managers. + # + + def __enter__(self): + return self + + def __exit__(self, exc_type, exc_val, exc_tb): + if self.txn: + self.txn.rollback() + return False + + +def make_query(txn_manager, serial=0, + use_edns=None, ednsflags=None, payload=None, + request_payload=None, options=None, + keyring=None, keyname=None, + keyalgorithm=dns.tsig.default_algorithm): + """Make an AXFR or IXFR query. + + *txn_manager* is a ``dns.transaction.TransactionManager``, typically a + ``dns.zone.Zone``. + + *serial* is an ``int`` or ``None``. If 0, then IXFR will be + attempted using the most recent serial number from the + *txn_manager*; it is the caller's responsibility to ensure there + are no write transactions active that could invalidate the + retrieved serial. If a serial cannot be determined, AXFR will be + forced. Other integer values are the starting serial to use. + ``None`` forces an AXFR. + + Please see the documentation for :py:func:`dns.message.make_query` and + :py:func:`dns.message.Message.use_tsig` for details on the other parameters + to this function. + + Returns a `(query, serial)` tuple. + """ + (zone_origin, _, origin) = txn_manager.origin_information() + if serial is None: + rdtype = dns.rdatatype.AXFR + elif not isinstance(serial, int): + raise ValueError('serial is not an integer') + elif serial == 0: + with txn_manager.reader() as txn: + rdataset = txn.get(origin, 'SOA') + if rdataset: + serial = rdataset[0].serial + rdtype = dns.rdatatype.IXFR + else: + serial = None + rdtype = dns.rdatatype.AXFR + elif serial > 0 and serial < 4294967296: + rdtype = dns.rdatatype.IXFR + else: + raise ValueError('serial out-of-range') + q = dns.message.make_query(zone_origin, rdtype, txn_manager.get_class(), + use_edns, False, ednsflags, payload, + request_payload, options) + if serial is not None: + rrset = dns.rrset.from_text(zone_origin, 0, 'IN', 'SOA', + f'. . {serial} 0 0 0 0') + q.authority.append(rrset) + if keyring is not None: + q.use_tsig(keyring, keyname, algorithm=keyalgorithm) + return (q, serial) diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/zone.py b/backend/mb-env/lib/python3.9/site-packages/dns/zone.py new file mode 100644 index 0000000..c9c1c20 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/zone.py @@ -0,0 +1,926 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Zones.""" + +import contextlib +import io +import os + +import dns.exception +import dns.name +import dns.node +import dns.rdataclass +import dns.rdatatype +import dns.rdata +import dns.rdtypes.ANY.SOA +import dns.rrset +import dns.tokenizer +import dns.transaction +import dns.ttl +import dns.grange +import dns.zonefile + + +class BadZone(dns.exception.DNSException): + + """The DNS zone is malformed.""" + + +class NoSOA(BadZone): + + """The DNS zone has no SOA RR at its origin.""" + + +class NoNS(BadZone): + + """The DNS zone has no NS RRset at its origin.""" + + +class UnknownOrigin(BadZone): + + """The DNS zone's origin is unknown.""" + + +class Zone(dns.transaction.TransactionManager): + + """A DNS zone. + + A ``Zone`` is a mapping from names to nodes. The zone object may be + treated like a Python dictionary, e.g. ``zone[name]`` will retrieve + the node associated with that name. The *name* may be a + ``dns.name.Name object``, or it may be a string. In either case, + if the name is relative it is treated as relative to the origin of + the zone. + """ + + node_factory = dns.node.Node + + __slots__ = ['rdclass', 'origin', 'nodes', 'relativize'] + + def __init__(self, origin, rdclass=dns.rdataclass.IN, relativize=True): + """Initialize a zone object. + + *origin* is the origin of the zone. It may be a ``dns.name.Name``, + a ``str``, or ``None``. If ``None``, then the zone's origin will + be set by the first ``$ORIGIN`` line in a zone file. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + """ + + if origin is not None: + if isinstance(origin, str): + origin = dns.name.from_text(origin) + elif not isinstance(origin, dns.name.Name): + raise ValueError("origin parameter must be convertible to a " + "DNS name") + if not origin.is_absolute(): + raise ValueError("origin parameter must be an absolute name") + self.origin = origin + self.rdclass = rdclass + self.nodes = {} + self.relativize = relativize + + def __eq__(self, other): + """Two zones are equal if they have the same origin, class, and + nodes. + + Returns a ``bool``. + """ + + if not isinstance(other, Zone): + return False + if self.rdclass != other.rdclass or \ + self.origin != other.origin or \ + self.nodes != other.nodes: + return False + return True + + def __ne__(self, other): + """Are two zones not equal? + + Returns a ``bool``. + """ + + return not self.__eq__(other) + + def _validate_name(self, name): + if isinstance(name, str): + name = dns.name.from_text(name, None) + elif not isinstance(name, dns.name.Name): + raise KeyError("name parameter must be convertible to a DNS name") + if name.is_absolute(): + if not name.is_subdomain(self.origin): + raise KeyError( + "name parameter must be a subdomain of the zone origin") + if self.relativize: + name = name.relativize(self.origin) + return name + + def __getitem__(self, key): + key = self._validate_name(key) + return self.nodes[key] + + def __setitem__(self, key, value): + key = self._validate_name(key) + self.nodes[key] = value + + def __delitem__(self, key): + key = self._validate_name(key) + del self.nodes[key] + + def __iter__(self): + return self.nodes.__iter__() + + def keys(self): + return self.nodes.keys() # pylint: disable=dict-keys-not-iterating + + def values(self): + return self.nodes.values() # pylint: disable=dict-values-not-iterating + + def items(self): + return self.nodes.items() # pylint: disable=dict-items-not-iterating + + def get(self, key): + key = self._validate_name(key) + return self.nodes.get(key) + + def __contains__(self, other): + return other in self.nodes + + def find_node(self, name, create=False): + """Find a node in the zone, possibly creating it. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.node.Node``. + """ + + name = self._validate_name(name) + node = self.nodes.get(name) + if node is None: + if not create: + raise KeyError + node = self.node_factory() + self.nodes[name] = node + return node + + def get_node(self, name, create=False): + """Get a node in the zone, possibly creating it. + + This method is like ``find_node()``, except it returns None instead + of raising an exception if the node does not exist and creation + has not been requested. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.node.Node`` or ``None``. + """ + + try: + node = self.find_node(name, create) + except KeyError: + node = None + return node + + def delete_node(self, name): + """Delete the specified node if it exists. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + It is not an error if the node does not exist. + """ + + name = self._validate_name(name) + if name in self.nodes: + del self.nodes[name] + + def find_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, + create=False): + """Look for an rdataset with the specified name and type in the zone, + and return an rdataset encapsulating it. + + The rdataset returned is not a copy; changes to it will change + the zone. + + KeyError is raised if the name or type are not found. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rdataset.Rdataset``. + """ + + name = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + if covers is not None: + covers = dns.rdatatype.RdataType.make(covers) + node = self.find_node(name, create) + return node.find_rdataset(self.rdclass, rdtype, covers, create) + + def get_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE, + create=False): + """Look for an rdataset with the specified name and type in the zone. + + This method is like ``find_rdataset()``, except it returns None instead + of raising an exception if the rdataset does not exist and creation + has not been requested. + + The rdataset returned is not a copy; changes to it will change + the zone. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rdataset.Rdataset`` or ``None``. + """ + + try: + rdataset = self.find_rdataset(name, rdtype, covers, create) + except KeyError: + rdataset = None + return rdataset + + def delete_rdataset(self, name, rdtype, covers=dns.rdatatype.NONE): + """Delete the rdataset matching *rdtype* and *covers*, if it + exists at the node specified by *name*. + + It is not an error if the node does not exist, or if there is no + matching rdataset at the node. + + If the node has no rdatasets after the deletion, it will itself + be deleted. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + """ + + name = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + if covers is not None: + covers = dns.rdatatype.RdataType.make(covers) + node = self.get_node(name) + if node is not None: + node.delete_rdataset(self.rdclass, rdtype, covers) + if len(node) == 0: + self.delete_node(name) + + def replace_rdataset(self, name, replacement): + """Replace an rdataset at name. + + It is not an error if there is no rdataset matching I{replacement}. + + Ownership of the *replacement* object is transferred to the zone; + in other words, this method does not store a copy of *replacement* + at the node, it stores *replacement* itself. + + If the node does not exist, it is created. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *replacement*, a ``dns.rdataset.Rdataset``, the replacement rdataset. + """ + + if replacement.rdclass != self.rdclass: + raise ValueError('replacement.rdclass != zone.rdclass') + node = self.find_node(name, True) + node.replace_rdataset(replacement) + + def find_rrset(self, name, rdtype, covers=dns.rdatatype.NONE): + """Look for an rdataset with the specified name and type in the zone, + and return an RRset encapsulating it. + + This method is less efficient than the similar + ``find_rdataset()`` because it creates an RRset instead of + returning the matching rdataset. It may be more convenient + for some uses since it returns an object which binds the owner + name to the rdataset. + + This method may not be used to create new nodes or rdatasets; + use ``find_rdataset`` instead. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rrset.RRset`` or ``None``. + """ + + name = self._validate_name(name) + rdtype = dns.rdatatype.RdataType.make(rdtype) + if covers is not None: + covers = dns.rdatatype.RdataType.make(covers) + rdataset = self.nodes[name].find_rdataset(self.rdclass, rdtype, covers) + rrset = dns.rrset.RRset(name, self.rdclass, rdtype, covers) + rrset.update(rdataset) + return rrset + + def get_rrset(self, name, rdtype, covers=dns.rdatatype.NONE): + """Look for an rdataset with the specified name and type in the zone, + and return an RRset encapsulating it. + + This method is less efficient than the similar ``get_rdataset()`` + because it creates an RRset instead of returning the matching + rdataset. It may be more convenient for some uses since it + returns an object which binds the owner name to the rdataset. + + This method may not be used to create new nodes or rdatasets; + use ``get_rdataset()`` instead. + + *name*: the name of the node to find. + The value may be a ``dns.name.Name`` or a ``str``. If absolute, the + name must be a subdomain of the zone's origin. If ``zone.relativize`` + is ``True``, then the name will be relativized. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + + *create*, a ``bool``. If true, the node will be created if it does + not exist. + + Raises ``KeyError`` if the name is not known and create was + not specified, or if the name was not a subdomain of the origin. + + Returns a ``dns.rrset.RRset`` or ``None``. + """ + + try: + rrset = self.find_rrset(name, rdtype, covers) + except KeyError: + rrset = None + return rrset + + def iterate_rdatasets(self, rdtype=dns.rdatatype.ANY, + covers=dns.rdatatype.NONE): + """Return a generator which yields (name, rdataset) tuples for + all rdatasets in the zone which have the specified *rdtype* + and *covers*. If *rdtype* is ``dns.rdatatype.ANY``, the default, + then all rdatasets will be matched. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + """ + + rdtype = dns.rdatatype.RdataType.make(rdtype) + if covers is not None: + covers = dns.rdatatype.RdataType.make(covers) + for (name, node) in self.items(): + for rds in node: + if rdtype == dns.rdatatype.ANY or \ + (rds.rdtype == rdtype and rds.covers == covers): + yield (name, rds) + + def iterate_rdatas(self, rdtype=dns.rdatatype.ANY, + covers=dns.rdatatype.NONE): + """Return a generator which yields (name, ttl, rdata) tuples for + all rdatas in the zone which have the specified *rdtype* + and *covers*. If *rdtype* is ``dns.rdatatype.ANY``, the default, + then all rdatas will be matched. + + *rdtype*, an ``int`` or ``str``, the rdata type desired. + + *covers*, an ``int`` or ``str`` or ``None``, the covered type. + Usually this value is ``dns.rdatatype.NONE``, but if the + rdtype is ``dns.rdatatype.SIG`` or ``dns.rdatatype.RRSIG``, + then the covers value will be the rdata type the SIG/RRSIG + covers. The library treats the SIG and RRSIG types as if they + were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). + This makes RRSIGs much easier to work with than if RRSIGs + covering different rdata types were aggregated into a single + RRSIG rdataset. + """ + + rdtype = dns.rdatatype.RdataType.make(rdtype) + if covers is not None: + covers = dns.rdatatype.RdataType.make(covers) + for (name, node) in self.items(): + for rds in node: + if rdtype == dns.rdatatype.ANY or \ + (rds.rdtype == rdtype and rds.covers == covers): + for rdata in rds: + yield (name, rds.ttl, rdata) + + def to_file(self, f, sorted=True, relativize=True, nl=None, + want_comments=False): + """Write a zone to a file. + + *f*, a file or `str`. If *f* is a string, it is treated + as the name of a file to open. + + *sorted*, a ``bool``. If True, the default, then the file + will be written with the names sorted in DNSSEC order from + least to greatest. Otherwise the names will be written in + whatever order they happen to have in the zone's dictionary. + + *relativize*, a ``bool``. If True, the default, then domain + names in the output will be relativized to the zone's origin + if possible. + + *nl*, a ``str`` or None. The end of line string. If not + ``None``, the output will use the platform's native + end-of-line marker (i.e. LF on POSIX, CRLF on Windows). + + *want_comments*, a ``bool``. If ``True``, emit end-of-line comments + as part of writing the file. If ``False``, the default, do not + emit them. + """ + + with contextlib.ExitStack() as stack: + if isinstance(f, str): + f = stack.enter_context(open(f, 'wb')) + + # must be in this way, f.encoding may contain None, or even + # attribute may not be there + file_enc = getattr(f, 'encoding', None) + if file_enc is None: + file_enc = 'utf-8' + + if nl is None: + # binary mode, '\n' is not enough + nl_b = os.linesep.encode(file_enc) + nl = '\n' + elif isinstance(nl, str): + nl_b = nl.encode(file_enc) + else: + nl_b = nl + nl = nl.decode() + + if sorted: + names = list(self.keys()) + names.sort() + else: + names = self.keys() + for n in names: + l = self[n].to_text(n, origin=self.origin, + relativize=relativize, + want_comments=want_comments) + l_b = l.encode(file_enc) + + try: + f.write(l_b) + f.write(nl_b) + except TypeError: # textual mode + f.write(l) + f.write(nl) + + def to_text(self, sorted=True, relativize=True, nl=None, + want_comments=False): + """Return a zone's text as though it were written to a file. + + *sorted*, a ``bool``. If True, the default, then the file + will be written with the names sorted in DNSSEC order from + least to greatest. Otherwise the names will be written in + whatever order they happen to have in the zone's dictionary. + + *relativize*, a ``bool``. If True, the default, then domain + names in the output will be relativized to the zone's origin + if possible. + + *nl*, a ``str`` or None. The end of line string. If not + ``None``, the output will use the platform's native + end-of-line marker (i.e. LF on POSIX, CRLF on Windows). + + *want_comments*, a ``bool``. If ``True``, emit end-of-line comments + as part of writing the file. If ``False``, the default, do not + emit them. + + Returns a ``str``. + """ + temp_buffer = io.StringIO() + self.to_file(temp_buffer, sorted, relativize, nl, want_comments) + return_value = temp_buffer.getvalue() + temp_buffer.close() + return return_value + + def check_origin(self): + """Do some simple checking of the zone's origin. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + """ + if self.relativize: + name = dns.name.empty + else: + name = self.origin + if self.get_rdataset(name, dns.rdatatype.SOA) is None: + raise NoSOA + if self.get_rdataset(name, dns.rdatatype.NS) is None: + raise NoNS + + # TransactionManager methods + + def reader(self): + return Transaction(self, False, True) + + def writer(self, replacement=False): + return Transaction(self, replacement, False) + + def origin_information(self): + if self.relativize: + effective = dns.name.empty + else: + effective = self.origin + return (self.origin, self.relativize, effective) + + def get_class(self): + return self.rdclass + + +class Transaction(dns.transaction.Transaction): + + _deleted_rdataset = dns.rdataset.Rdataset(dns.rdataclass.ANY, + dns.rdatatype.ANY) + + def __init__(self, zone, replacement, read_only): + super().__init__(zone, replacement, read_only) + self.rdatasets = {} + + @property + def zone(self): + return self.manager + + def _get_rdataset(self, name, rdtype, covers): + rdataset = self.rdatasets.get((name, rdtype, covers)) + if rdataset is self._deleted_rdataset: + return None + elif rdataset is None: + rdataset = self.zone.get_rdataset(name, rdtype, covers) + return rdataset + + def _put_rdataset(self, name, rdataset): + assert not self.read_only + self.zone._validate_name(name) + self.rdatasets[(name, rdataset.rdtype, rdataset.covers)] = rdataset + + def _delete_name(self, name): + assert not self.read_only + # First remove any changes involving the name + remove = [] + for key in self.rdatasets: + if key[0] == name: + remove.append(key) + if len(remove) > 0: + for key in remove: + del self.rdatasets[key] + # Next add deletion records for any rdatasets matching the + # name in the zone + node = self.zone.get_node(name) + if node is not None: + for rdataset in node.rdatasets: + self.rdatasets[(name, rdataset.rdtype, rdataset.covers)] = \ + self._deleted_rdataset + + def _delete_rdataset(self, name, rdtype, covers): + assert not self.read_only + try: + del self.rdatasets[(name, rdtype, covers)] + except KeyError: + pass + rdataset = self.zone.get_rdataset(name, rdtype, covers) + if rdataset is not None: + self.rdatasets[(name, rdataset.rdtype, rdataset.covers)] = \ + self._deleted_rdataset + + def _name_exists(self, name): + for key, rdataset in self.rdatasets.items(): + if key[0] == name: + if rdataset != self._deleted_rdataset: + return True + else: + return None + self.zone._validate_name(name) + if self.zone.get_node(name): + return True + return False + + def _changed(self): + if self.read_only: + return False + else: + return len(self.rdatasets) > 0 + + def _end_transaction(self, commit): + if commit and self._changed(): + for (name, rdtype, covers), rdataset in \ + self.rdatasets.items(): + if rdataset is self._deleted_rdataset: + self.zone.delete_rdataset(name, rdtype, covers) + else: + self.zone.replace_rdataset(name, rdataset) + + def _set_origin(self, origin): + if self.zone.origin is None: + self.zone.origin = origin + + def _iterate_rdatasets(self): + # Expensive but simple! Use a versioned zone for efficient txn + # iteration. + rdatasets = {} + for (name, rdataset) in self.zone.iterate_rdatasets(): + rdatasets[(name, rdataset.rdtype, rdataset.covers)] = rdataset + rdatasets.update(self.rdatasets) + for (name, _, _), rdataset in rdatasets.items(): + yield (name, rdataset) + + +def from_text(text, origin=None, rdclass=dns.rdataclass.IN, + relativize=True, zone_factory=Zone, filename=None, + allow_include=False, check_origin=True, idna_codec=None): + """Build a zone object from a zone file format string. + + *text*, a ``str``, the zone file format input. + + *origin*, a ``dns.name.Name``, a ``str``, or ``None``. The origin + of the zone; if not specified, the first ``$ORIGIN`` statement in the + zone file will determine the origin of the zone. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *zone_factory*, the zone factory to use or ``None``. If ``None``, then + ``dns.zone.Zone`` will be used. The value may be any class or callable + that returns a subclass of ``dns.zone.Zone``. + + *filename*, a ``str`` or ``None``, the filename to emit when + describing where an error occurred; the default is ``''``. + + *allow_include*, a ``bool``. If ``True``, the default, then ``$INCLUDE`` + directives are permitted. If ``False``, then encoutering a ``$INCLUDE`` + will raise a ``SyntaxError`` exception. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Returns a subclass of ``dns.zone.Zone``. + """ + + # 'text' can also be a file, but we don't publish that fact + # since it's an implementation detail. The official file + # interface is from_file(). + + if filename is None: + filename = '' + zone = zone_factory(origin, rdclass, relativize=relativize) + with zone.writer(True) as txn: + tok = dns.tokenizer.Tokenizer(text, filename, idna_codec=idna_codec) + reader = dns.zonefile.Reader(tok, rdclass, txn, + allow_include=allow_include) + try: + reader.read() + except dns.zonefile.UnknownOrigin: + # for backwards compatibility + raise dns.zone.UnknownOrigin + # Now that we're done reading, do some basic checking of the zone. + if check_origin: + zone.check_origin() + return zone + + +def from_file(f, origin=None, rdclass=dns.rdataclass.IN, + relativize=True, zone_factory=Zone, filename=None, + allow_include=True, check_origin=True): + """Read a zone file and build a zone object. + + *f*, a file or ``str``. If *f* is a string, it is treated + as the name of a file to open. + + *origin*, a ``dns.name.Name``, a ``str``, or ``None``. The origin + of the zone; if not specified, the first ``$ORIGIN`` statement in the + zone file will determine the origin of the zone. + + *rdclass*, an ``int``, the zone's rdata class; the default is class IN. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + + *zone_factory*, the zone factory to use or ``None``. If ``None``, then + ``dns.zone.Zone`` will be used. The value may be any class or callable + that returns a subclass of ``dns.zone.Zone``. + + *filename*, a ``str`` or ``None``, the filename to emit when + describing where an error occurred; the default is ``''``. + + *allow_include*, a ``bool``. If ``True``, the default, then ``$INCLUDE`` + directives are permitted. If ``False``, then encoutering a ``$INCLUDE`` + will raise a ``SyntaxError`` exception. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + *idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA + encoder/decoder. If ``None``, the default IDNA 2003 encoder/decoder + is used. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Returns a subclass of ``dns.zone.Zone``. + """ + + with contextlib.ExitStack() as stack: + if isinstance(f, str): + if filename is None: + filename = f + f = stack.enter_context(open(f)) + return from_text(f, origin, rdclass, relativize, zone_factory, + filename, allow_include, check_origin) + + +def from_xfr(xfr, zone_factory=Zone, relativize=True, check_origin=True): + """Convert the output of a zone transfer generator into a zone object. + + *xfr*, a generator of ``dns.message.Message`` objects, typically + ``dns.query.xfr()``. + + *relativize*, a ``bool``, determine's whether domain names are + relativized to the zone's origin. The default is ``True``. + It is essential that the relativize setting matches the one specified + to the generator. + + *check_origin*, a ``bool``. If ``True``, the default, then sanity + checks of the origin node will be made by calling the zone's + ``check_origin()`` method. + + Raises ``dns.zone.NoSOA`` if there is no SOA RRset. + + Raises ``dns.zone.NoNS`` if there is no NS RRset. + + Raises ``KeyError`` if there is no origin node. + + Returns a subclass of ``dns.zone.Zone``. + """ + + z = None + for r in xfr: + if z is None: + if relativize: + origin = r.origin + else: + origin = r.answer[0].name + rdclass = r.answer[0].rdclass + z = zone_factory(origin, rdclass, relativize=relativize) + for rrset in r.answer: + znode = z.nodes.get(rrset.name) + if not znode: + znode = z.node_factory() + z.nodes[rrset.name] = znode + zrds = znode.find_rdataset(rrset.rdclass, rrset.rdtype, + rrset.covers, True) + zrds.update_ttl(rrset.ttl) + for rd in rrset: + zrds.add(rd) + if check_origin: + z.check_origin() + return z diff --git a/backend/mb-env/lib/python3.9/site-packages/dns/zonefile.py b/backend/mb-env/lib/python3.9/site-packages/dns/zonefile.py new file mode 100644 index 0000000..92e2f0c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dns/zonefile.py @@ -0,0 +1,401 @@ +# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license + +# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc. +# +# Permission to use, copy, modify, and distribute this software and its +# documentation for any purpose with or without fee is hereby granted, +# provided that the above copyright notice and this permission notice +# appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +"""DNS Zones.""" + +import re +import sys + +import dns.exception +import dns.name +import dns.node +import dns.rdataclass +import dns.rdatatype +import dns.rdata +import dns.rdtypes.ANY.SOA +import dns.rrset +import dns.tokenizer +import dns.transaction +import dns.ttl +import dns.grange + + +class UnknownOrigin(dns.exception.DNSException): + """Unknown origin""" + + +class Reader: + + """Read a DNS zone file into a transaction.""" + + def __init__(self, tok, rdclass, txn, allow_include=False): + self.tok = tok + (self.zone_origin, self.relativize, _) = \ + txn.manager.origin_information() + self.current_origin = self.zone_origin + self.last_ttl = 0 + self.last_ttl_known = False + self.default_ttl = 0 + self.default_ttl_known = False + self.last_name = self.current_origin + self.zone_rdclass = rdclass + self.txn = txn + self.saved_state = [] + self.current_file = None + self.allow_include = allow_include + + def _eat_line(self): + while 1: + token = self.tok.get() + if token.is_eol_or_eof(): + break + + def _rr_line(self): + """Process one line from a DNS zone file.""" + # Name + if self.current_origin is None: + raise UnknownOrigin + token = self.tok.get(want_leading=True) + if not token.is_whitespace(): + self.last_name = self.tok.as_name(token, self.current_origin) + else: + token = self.tok.get() + if token.is_eol_or_eof(): + # treat leading WS followed by EOL/EOF as if they were EOL/EOF. + return + self.tok.unget(token) + name = self.last_name + if not name.is_subdomain(self.zone_origin): + self._eat_line() + return + if self.relativize: + name = name.relativize(self.zone_origin) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + + # TTL + ttl = None + try: + ttl = dns.ttl.from_text(token.value) + self.last_ttl = ttl + self.last_ttl_known = True + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.ttl.BadTTL: + if self.default_ttl_known: + ttl = self.default_ttl + elif self.last_ttl_known: + ttl = self.last_ttl + + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise + except Exception: + rdclass = self.zone_rdclass + if rdclass != self.zone_rdclass: + raise dns.exception.SyntaxError("RR class is not zone's class") + # Type + try: + rdtype = dns.rdatatype.from_text(token.value) + except Exception: + raise dns.exception.SyntaxError( + "unknown rdatatype '%s'" % token.value) + try: + rd = dns.rdata.from_text(rdclass, rdtype, self.tok, + self.current_origin, self.relativize, + self.zone_origin) + except dns.exception.SyntaxError: + # Catch and reraise. + raise + except Exception: + # All exceptions that occur in the processing of rdata + # are treated as syntax errors. This is not strictly + # correct, but it is correct almost all of the time. + # We convert them to syntax errors so that we can emit + # helpful filename:line info. + (ty, va) = sys.exc_info()[:2] + raise dns.exception.SyntaxError( + "caught exception {}: {}".format(str(ty), str(va))) + + if not self.default_ttl_known and rdtype == dns.rdatatype.SOA: + # The pre-RFC2308 and pre-BIND9 behavior inherits the zone default + # TTL from the SOA minttl if no $TTL statement is present before the + # SOA is parsed. + self.default_ttl = rd.minimum + self.default_ttl_known = True + if ttl is None: + # if we didn't have a TTL on the SOA, set it! + ttl = rd.minimum + + # TTL check. We had to wait until now to do this as the SOA RR's + # own TTL can be inferred from its minimum. + if ttl is None: + raise dns.exception.SyntaxError("Missing default TTL value") + + self.txn.add(name, ttl, rd) + + def _parse_modify(self, side): + # Here we catch everything in '{' '}' in a group so we can replace it + # with ''. + is_generate1 = re.compile(r"^.*\$({(\+|-?)(\d+),(\d+),(.)}).*$") + is_generate2 = re.compile(r"^.*\$({(\+|-?)(\d+)}).*$") + is_generate3 = re.compile(r"^.*\$({(\+|-?)(\d+),(\d+)}).*$") + # Sometimes there are modifiers in the hostname. These come after + # the dollar sign. They are in the form: ${offset[,width[,base]]}. + # Make names + g1 = is_generate1.match(side) + if g1: + mod, sign, offset, width, base = g1.groups() + if sign == '': + sign = '+' + g2 = is_generate2.match(side) + if g2: + mod, sign, offset = g2.groups() + if sign == '': + sign = '+' + width = 0 + base = 'd' + g3 = is_generate3.match(side) + if g3: + mod, sign, offset, width = g3.groups() + if sign == '': + sign = '+' + base = 'd' + + if not (g1 or g2 or g3): + mod = '' + sign = '+' + offset = 0 + width = 0 + base = 'd' + + if base != 'd': + raise NotImplementedError() + + return mod, sign, offset, width, base + + def _generate_line(self): + # range lhs [ttl] [class] type rhs [ comment ] + """Process one line containing the GENERATE statement from a DNS + zone file.""" + if self.current_origin is None: + raise UnknownOrigin + + token = self.tok.get() + # Range (required) + try: + start, stop, step = dns.grange.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError + + # lhs (required) + try: + lhs = token.value + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError + + # TTL + try: + ttl = dns.ttl.from_text(token.value) + self.last_ttl = ttl + self.last_ttl_known = True + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.ttl.BadTTL: + if not (self.last_ttl_known or self.default_ttl_known): + raise dns.exception.SyntaxError("Missing default TTL value") + if self.default_ttl_known: + ttl = self.default_ttl + elif self.last_ttl_known: + ttl = self.last_ttl + # Class + try: + rdclass = dns.rdataclass.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except dns.exception.SyntaxError: + raise dns.exception.SyntaxError + except Exception: + rdclass = self.zone_rdclass + if rdclass != self.zone_rdclass: + raise dns.exception.SyntaxError("RR class is not zone's class") + # Type + try: + rdtype = dns.rdatatype.from_text(token.value) + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError + except Exception: + raise dns.exception.SyntaxError("unknown rdatatype '%s'" % + token.value) + + # rhs (required) + rhs = token.value + + # The code currently only supports base 'd', so the last value + # in the tuple _parse_modify returns is ignored + lmod, lsign, loffset, lwidth, _ = self._parse_modify(lhs) + rmod, rsign, roffset, rwidth, _ = self._parse_modify(rhs) + for i in range(start, stop + 1, step): + # +1 because bind is inclusive and python is exclusive + + if lsign == '+': + lindex = i + int(loffset) + elif lsign == '-': + lindex = i - int(loffset) + + if rsign == '-': + rindex = i - int(roffset) + elif rsign == '+': + rindex = i + int(roffset) + + lzfindex = str(lindex).zfill(int(lwidth)) + rzfindex = str(rindex).zfill(int(rwidth)) + + name = lhs.replace('$%s' % (lmod), lzfindex) + rdata = rhs.replace('$%s' % (rmod), rzfindex) + + self.last_name = dns.name.from_text(name, self.current_origin, + self.tok.idna_codec) + name = self.last_name + if not name.is_subdomain(self.zone_origin): + self._eat_line() + return + if self.relativize: + name = name.relativize(self.zone_origin) + + try: + rd = dns.rdata.from_text(rdclass, rdtype, rdata, + self.current_origin, self.relativize, + self.zone_origin) + except dns.exception.SyntaxError: + # Catch and reraise. + raise + except Exception: + # All exceptions that occur in the processing of rdata + # are treated as syntax errors. This is not strictly + # correct, but it is correct almost all of the time. + # We convert them to syntax errors so that we can emit + # helpful filename:line info. + (ty, va) = sys.exc_info()[:2] + raise dns.exception.SyntaxError("caught exception %s: %s" % + (str(ty), str(va))) + + self.txn.add(name, ttl, rd) + + def read(self): + """Read a DNS zone file and build a zone object. + + @raises dns.zone.NoSOA: No SOA RR was found at the zone origin + @raises dns.zone.NoNS: No NS RRset was found at the zone origin + """ + + try: + while 1: + token = self.tok.get(True, True) + if token.is_eof(): + if self.current_file is not None: + self.current_file.close() + if len(self.saved_state) > 0: + (self.tok, + self.current_origin, + self.last_name, + self.current_file, + self.last_ttl, + self.last_ttl_known, + self.default_ttl, + self.default_ttl_known) = self.saved_state.pop(-1) + continue + break + elif token.is_eol(): + continue + elif token.is_comment(): + self.tok.get_eol() + continue + elif token.value[0] == '$': + c = token.value.upper() + if c == '$TTL': + token = self.tok.get() + if not token.is_identifier(): + raise dns.exception.SyntaxError("bad $TTL") + self.default_ttl = dns.ttl.from_text(token.value) + self.default_ttl_known = True + self.tok.get_eol() + elif c == '$ORIGIN': + self.current_origin = self.tok.get_name() + self.tok.get_eol() + if self.zone_origin is None: + self.zone_origin = self.current_origin + self.txn._set_origin(self.current_origin) + elif c == '$INCLUDE' and self.allow_include: + token = self.tok.get() + filename = token.value + token = self.tok.get() + if token.is_identifier(): + new_origin =\ + dns.name.from_text(token.value, + self.current_origin, + self.tok.idna_codec) + self.tok.get_eol() + elif not token.is_eol_or_eof(): + raise dns.exception.SyntaxError( + "bad origin in $INCLUDE") + else: + new_origin = self.current_origin + self.saved_state.append((self.tok, + self.current_origin, + self.last_name, + self.current_file, + self.last_ttl, + self.last_ttl_known, + self.default_ttl, + self.default_ttl_known)) + self.current_file = open(filename, 'r') + self.tok = dns.tokenizer.Tokenizer(self.current_file, + filename) + self.current_origin = new_origin + elif c == '$GENERATE': + self._generate_line() + else: + raise dns.exception.SyntaxError( + "Unknown zone file directive '" + c + "'") + continue + self.tok.unget(token) + self._rr_line() + except dns.exception.SyntaxError as detail: + (filename, line_number) = self.tok.where() + if detail is None: + detail = "syntax error" + ex = dns.exception.SyntaxError( + "%s:%d: %s" % (filename, line_number, detail)) + tb = sys.exc_info()[2] + raise ex.with_traceback(tb) from None diff --git a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/LICENSE new file mode 100644 index 0000000..390a726 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/LICENSE @@ -0,0 +1,35 @@ +ISC License + +Copyright (C) Dnspython Contributors + +Permission to use, copy, modify, and/or distribute this software for +any purpose with or without fee is hereby granted, provided that the +above copyright notice and this permission notice appear in all +copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL +WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL +DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR +PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER +TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. + + + +Copyright (C) 2001-2017 Nominum, Inc. +Copyright (C) Google Inc. + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose with or without fee is hereby granted, +provided that the above copyright notice and this permission notice +appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT +OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/METADATA new file mode 100644 index 0000000..2a774d0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/METADATA @@ -0,0 +1,48 @@ +Metadata-Version: 2.1 +Name: dnspython +Version: 2.1.0 +Summary: DNS toolkit +Home-page: http://www.dnspython.org +Author: Bob Halley +Author-email: halley@dnspython.org +License: ISC +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: System Administrators +Classifier: License :: OSI Approved :: ISC License (ISCL) +Classifier: Operating System :: POSIX +Classifier: Operating System :: Microsoft :: Windows +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: Name Service (DNS) +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Provides: dns +Requires-Python: >=3.6 +Provides-Extra: dnssec +Requires-Dist: cryptography (>=2.6) ; extra == 'dnssec' +Provides-Extra: doh +Requires-Dist: requests ; extra == 'doh' +Requires-Dist: requests-toolbelt ; extra == 'doh' +Provides-Extra: idna +Requires-Dist: idna (>=2.1) ; extra == 'idna' +Provides-Extra: curio +Requires-Dist: curio (>=1.2) ; extra == 'curio' +Requires-Dist: sniffio (>=1.1) ; extra == 'curio' +Provides-Extra: trio +Requires-Dist: trio (>=0.14.0) ; extra == 'trio' +Requires-Dist: sniffio (>=1.1) ; extra == 'trio' + +dnspython is a DNS toolkit for Python. It supports almost all +record types. It can be used for queries, zone transfers, and dynamic +updates. It supports TSIG authenticated messages and EDNS0. + +dnspython provides both high and low level access to DNS. The high +level classes perform queries for data of a given name, type, and +class, and return an answer set. The low level classes allow +direct manipulation of DNS zones, messages, names, and records. + diff --git a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/RECORD new file mode 100644 index 0000000..8c34f10 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/RECORD @@ -0,0 +1,250 @@ +dns/__init__.py,sha256=Tnvxutf2E4hCu2RMU7ADmiVnqOikSWxgCcSJ9xuR-v4,1597 +dns/__pycache__/__init__.cpython-39.pyc,, +dns/__pycache__/_asyncbackend.cpython-39.pyc,, +dns/__pycache__/_asyncio_backend.cpython-39.pyc,, +dns/__pycache__/_curio_backend.cpython-39.pyc,, +dns/__pycache__/_immutable_attr.cpython-39.pyc,, +dns/__pycache__/_immutable_ctx.cpython-39.pyc,, +dns/__pycache__/_trio_backend.cpython-39.pyc,, +dns/__pycache__/asyncbackend.cpython-39.pyc,, +dns/__pycache__/asyncquery.cpython-39.pyc,, +dns/__pycache__/asyncresolver.cpython-39.pyc,, 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a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/WHEEL new file mode 100644 index 0000000..83ff02e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/top_level.txt new file mode 100644 index 0000000..2e7065c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dnspython-2.1.0.dist-info/top_level.txt @@ -0,0 +1 @@ +dns diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/__init__.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/__init__.py new file mode 100644 index 0000000..3512d10 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/__init__.py @@ -0,0 +1,49 @@ +from typing import Any, Optional + +from .main import (dotenv_values, find_dotenv, get_key, load_dotenv, set_key, + unset_key) + + +def load_ipython_extension(ipython: Any) -> None: + from .ipython import load_ipython_extension + load_ipython_extension(ipython) + + +def get_cli_string( + path: Optional[str] = None, + action: Optional[str] = None, + key: Optional[str] = None, + value: Optional[str] = None, + quote: Optional[str] = None, +): + """Returns a string suitable for running as a shell script. + + Useful for converting a arguments passed to a fabric task + to be passed to a `local` or `run` command. + """ + command = ['dotenv'] + if quote: + command.append('-q %s' % quote) + if path: + command.append('-f %s' % path) + if action: + command.append(action) + if key: + command.append(key) + if value: + if ' ' in value: + command.append('"%s"' % value) + else: + command.append(value) + + return ' '.join(command).strip() + + +__all__ = ['get_cli_string', + 'load_dotenv', + 'dotenv_values', + 'get_key', + 'set_key', + 'unset_key', + 'find_dotenv', + 'load_ipython_extension'] diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/cli.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/cli.py new file mode 100644 index 0000000..b7ae24a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/cli.py @@ -0,0 +1,164 @@ +import os +import sys +from subprocess import Popen +from typing import Any, Dict, List + +try: + import click +except ImportError: + sys.stderr.write('It seems python-dotenv is not installed with cli option. \n' + 'Run pip install "python-dotenv[cli]" to fix this.') + sys.exit(1) + +from .main import dotenv_values, get_key, set_key, unset_key +from .version import __version__ + + +@click.group() +@click.option('-f', '--file', default=os.path.join(os.getcwd(), '.env'), + type=click.Path(file_okay=True), + help="Location of the .env file, defaults to .env file in current working directory.") +@click.option('-q', '--quote', default='always', + type=click.Choice(['always', 'never', 'auto']), + help="Whether to quote or not the variable values. Default mode is always. This does not affect parsing.") +@click.option('-e', '--export', default=False, + type=click.BOOL, + help="Whether to write the dot file as an executable bash script.") +@click.version_option(version=__version__) +@click.pass_context +def cli(ctx: click.Context, file: Any, quote: Any, export: Any) -> None: + '''This script is used to set, get or unset values from a .env file.''' + ctx.obj = {} + ctx.obj['QUOTE'] = quote + ctx.obj['EXPORT'] = export + ctx.obj['FILE'] = file + + +@cli.command() +@click.pass_context +def list(ctx: click.Context) -> None: + '''Display all the stored key/value.''' + file = ctx.obj['FILE'] + if not os.path.isfile(file): + raise click.BadParameter( + 'Path "%s" does not exist.' % (file), + ctx=ctx + ) + dotenv_as_dict = dotenv_values(file) + for k, v in dotenv_as_dict.items(): + click.echo('%s=%s' % (k, v)) + + +@cli.command() +@click.pass_context +@click.argument('key', required=True) +@click.argument('value', required=True) +def set(ctx: click.Context, key: Any, value: Any) -> None: + '''Store the given key/value.''' + file = ctx.obj['FILE'] + quote = ctx.obj['QUOTE'] + export = ctx.obj['EXPORT'] + success, key, value = set_key(file, key, value, quote, export) + if success: + click.echo('%s=%s' % (key, value)) + else: + exit(1) + + +@cli.command() +@click.pass_context +@click.argument('key', required=True) +def get(ctx: click.Context, key: Any) -> None: + '''Retrieve the value for the given key.''' + file = ctx.obj['FILE'] + if not os.path.isfile(file): + raise click.BadParameter( + 'Path "%s" does not exist.' % (file), + ctx=ctx + ) + stored_value = get_key(file, key) + if stored_value: + click.echo(stored_value) + else: + exit(1) + + +@cli.command() +@click.pass_context +@click.argument('key', required=True) +def unset(ctx: click.Context, key: Any) -> None: + '''Removes the given key.''' + file = ctx.obj['FILE'] + quote = ctx.obj['QUOTE'] + success, key = unset_key(file, key, quote) + if success: + click.echo("Successfully removed %s" % key) + else: + exit(1) + + +@cli.command(context_settings={'ignore_unknown_options': True}) +@click.pass_context +@click.option( + "--override/--no-override", + default=True, + help="Override variables from the environment file with those from the .env file.", +) +@click.argument('commandline', nargs=-1, type=click.UNPROCESSED) +def run(ctx: click.Context, override: bool, commandline: List[str]) -> None: + """Run command with environment variables present.""" + file = ctx.obj['FILE'] + if not os.path.isfile(file): + raise click.BadParameter( + 'Invalid value for \'-f\' "%s" does not exist.' % (file), + ctx=ctx + ) + dotenv_as_dict = { + k: v + for (k, v) in dotenv_values(file).items() + if v is not None and (override or k not in os.environ) + } + + if not commandline: + click.echo('No command given.') + exit(1) + ret = run_command(commandline, dotenv_as_dict) + exit(ret) + + +def run_command(command: List[str], env: Dict[str, str]) -> int: + """Run command in sub process. + + Runs the command in a sub process with the variables from `env` + added in the current environment variables. + + Parameters + ---------- + command: List[str] + The command and it's parameters + env: Dict + The additional environment variables + + Returns + ------- + int + The return code of the command + + """ + # copy the current environment variables and add the vales from + # `env` + cmd_env = os.environ.copy() + cmd_env.update(env) + + p = Popen(command, + universal_newlines=True, + bufsize=0, + shell=False, + env=cmd_env) + _, _ = p.communicate() + + return p.returncode + + +if __name__ == "__main__": + cli() diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/ipython.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/ipython.py new file mode 100644 index 0000000..7df727c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/ipython.py @@ -0,0 +1,39 @@ +from IPython.core.magic import Magics, line_magic, magics_class # type: ignore +from IPython.core.magic_arguments import (argument, magic_arguments, # type: ignore + parse_argstring) # type: ignore + +from .main import find_dotenv, load_dotenv + + +@magics_class +class IPythonDotEnv(Magics): + + @magic_arguments() + @argument( + '-o', '--override', action='store_true', + help="Indicate to override existing variables" + ) + @argument( + '-v', '--verbose', action='store_true', + help="Indicate function calls to be verbose" + ) + @argument('dotenv_path', nargs='?', type=str, default='.env', + help='Search in increasingly higher folders for the `dotenv_path`') + @line_magic + def dotenv(self, line): + args = parse_argstring(self.dotenv, line) + # Locate the .env file + dotenv_path = args.dotenv_path + try: + dotenv_path = find_dotenv(dotenv_path, True, True) + except IOError: + print("cannot find .env file") + return + + # Load the .env file + load_dotenv(dotenv_path, verbose=args.verbose, override=args.override) + + +def load_ipython_extension(ipython): + """Register the %dotenv magic.""" + ipython.register_magics(IPythonDotEnv) diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/main.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/main.py new file mode 100644 index 0000000..b8d0a4e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/main.py @@ -0,0 +1,360 @@ +import io +import logging +import os +import shutil +import sys +import tempfile +from collections import OrderedDict +from contextlib import contextmanager +from typing import (IO, Dict, Iterable, Iterator, Mapping, Optional, Tuple, + Union) + +from .parser import Binding, parse_stream +from .variables import parse_variables + +logger = logging.getLogger(__name__) + +if sys.version_info >= (3, 6): + _PathLike = os.PathLike +else: + _PathLike = str + + +def with_warn_for_invalid_lines(mappings: Iterator[Binding]) -> Iterator[Binding]: + for mapping in mappings: + if mapping.error: + logger.warning( + "Python-dotenv could not parse statement starting at line %s", + mapping.original.line, + ) + yield mapping + + +class DotEnv(): + def __init__( + self, + dotenv_path: Optional[Union[str, _PathLike]], + stream: Optional[IO[str]] = None, + verbose: bool = False, + encoding: Union[None, str] = None, + interpolate: bool = True, + override: bool = True, + ) -> None: + self.dotenv_path = dotenv_path # type: Optional[Union[str, _PathLike]] + self.stream = stream # type: Optional[IO[str]] + self._dict = None # type: Optional[Dict[str, Optional[str]]] + self.verbose = verbose # type: bool + self.encoding = encoding # type: Union[None, str] + self.interpolate = interpolate # type: bool + self.override = override # type: bool + + @contextmanager + def _get_stream(self) -> Iterator[IO[str]]: + if self.dotenv_path and os.path.isfile(self.dotenv_path): + with io.open(self.dotenv_path, encoding=self.encoding) as stream: + yield stream + elif self.stream is not None: + yield self.stream + else: + if self.verbose: + logger.info( + "Python-dotenv could not find configuration file %s.", + self.dotenv_path or '.env', + ) + yield io.StringIO('') + + def dict(self) -> Dict[str, Optional[str]]: + """Return dotenv as dict""" + if self._dict: + return self._dict + + raw_values = self.parse() + + if self.interpolate: + self._dict = OrderedDict(resolve_variables(raw_values, override=self.override)) + else: + self._dict = OrderedDict(raw_values) + + return self._dict + + def parse(self) -> Iterator[Tuple[str, Optional[str]]]: + with self._get_stream() as stream: + for mapping in with_warn_for_invalid_lines(parse_stream(stream)): + if mapping.key is not None: + yield mapping.key, mapping.value + + def set_as_environment_variables(self) -> bool: + """ + Load the current dotenv as system environment variable. + """ + for k, v in self.dict().items(): + if k in os.environ and not self.override: + continue + if v is not None: + os.environ[k] = v + + return True + + def get(self, key: str) -> Optional[str]: + """ + """ + data = self.dict() + + if key in data: + return data[key] + + if self.verbose: + logger.warning("Key %s not found in %s.", key, self.dotenv_path) + + return None + + +def get_key(dotenv_path: Union[str, _PathLike], key_to_get: str) -> Optional[str]: + """ + Gets the value of a given key from the given .env + + If the .env path given doesn't exist, fails + """ + return DotEnv(dotenv_path, verbose=True).get(key_to_get) + + +@contextmanager +def rewrite(path: Union[str, _PathLike]) -> Iterator[Tuple[IO[str], IO[str]]]: + try: + if not os.path.isfile(path): + with io.open(path, "w+") as source: + source.write("") + with tempfile.NamedTemporaryFile(mode="w+", delete=False) as dest: + with io.open(path) as source: + yield (source, dest) # type: ignore + except BaseException: + if os.path.isfile(dest.name): + os.unlink(dest.name) + raise + else: + shutil.move(dest.name, path) + + +def set_key( + dotenv_path: Union[str, _PathLike], + key_to_set: str, + value_to_set: str, + quote_mode: str = "always", + export: bool = False, +) -> Tuple[Optional[bool], str, str]: + """ + Adds or Updates a key/value to the given .env + + If the .env path given doesn't exist, fails instead of risking creating + an orphan .env somewhere in the filesystem + """ + if quote_mode not in ("always", "auto", "never"): + raise ValueError("Unknown quote_mode: {}".format(quote_mode)) + + quote = ( + quote_mode == "always" + or (quote_mode == "auto" and not value_to_set.isalnum()) + ) + + if quote: + value_out = "'{}'".format(value_to_set.replace("'", "\\'")) + else: + value_out = value_to_set + if export: + line_out = 'export {}={}\n'.format(key_to_set, value_out) + else: + line_out = "{}={}\n".format(key_to_set, value_out) + + with rewrite(dotenv_path) as (source, dest): + replaced = False + for mapping in with_warn_for_invalid_lines(parse_stream(source)): + if mapping.key == key_to_set: + dest.write(line_out) + replaced = True + else: + dest.write(mapping.original.string) + if not replaced: + dest.write(line_out) + + return True, key_to_set, value_to_set + + +def unset_key( + dotenv_path: Union[str, _PathLike], + key_to_unset: str, + quote_mode: str = "always", +) -> Tuple[Optional[bool], str]: + """ + Removes a given key from the given .env + + If the .env path given doesn't exist, fails + If the given key doesn't exist in the .env, fails + """ + if not os.path.exists(dotenv_path): + logger.warning("Can't delete from %s - it doesn't exist.", dotenv_path) + return None, key_to_unset + + removed = False + with rewrite(dotenv_path) as (source, dest): + for mapping in with_warn_for_invalid_lines(parse_stream(source)): + if mapping.key == key_to_unset: + removed = True + else: + dest.write(mapping.original.string) + + if not removed: + logger.warning("Key %s not removed from %s - key doesn't exist.", key_to_unset, dotenv_path) + return None, key_to_unset + + return removed, key_to_unset + + +def resolve_variables( + values: Iterable[Tuple[str, Optional[str]]], + override: bool, +) -> Mapping[str, Optional[str]]: + new_values = {} # type: Dict[str, Optional[str]] + + for (name, value) in values: + if value is None: + result = None + else: + atoms = parse_variables(value) + env = {} # type: Dict[str, Optional[str]] + if override: + env.update(os.environ) # type: ignore + env.update(new_values) + else: + env.update(new_values) + env.update(os.environ) # type: ignore + result = "".join(atom.resolve(env) for atom in atoms) + + new_values[name] = result + + return new_values + + +def _walk_to_root(path: str) -> Iterator[str]: + """ + Yield directories starting from the given directory up to the root + """ + if not os.path.exists(path): + raise IOError('Starting path not found') + + if os.path.isfile(path): + path = os.path.dirname(path) + + last_dir = None + current_dir = os.path.abspath(path) + while last_dir != current_dir: + yield current_dir + parent_dir = os.path.abspath(os.path.join(current_dir, os.path.pardir)) + last_dir, current_dir = current_dir, parent_dir + + +def find_dotenv( + filename: str = '.env', + raise_error_if_not_found: bool = False, + usecwd: bool = False, +) -> str: + """ + Search in increasingly higher folders for the given file + + Returns path to the file if found, or an empty string otherwise + """ + + def _is_interactive(): + """ Decide whether this is running in a REPL or IPython notebook """ + main = __import__('__main__', None, None, fromlist=['__file__']) + return not hasattr(main, '__file__') + + if usecwd or _is_interactive() or getattr(sys, 'frozen', False): + # Should work without __file__, e.g. in REPL or IPython notebook. + path = os.getcwd() + else: + # will work for .py files + frame = sys._getframe() + current_file = __file__ + + while frame.f_code.co_filename == current_file: + assert frame.f_back is not None + frame = frame.f_back + frame_filename = frame.f_code.co_filename + path = os.path.dirname(os.path.abspath(frame_filename)) + + for dirname in _walk_to_root(path): + check_path = os.path.join(dirname, filename) + if os.path.isfile(check_path): + return check_path + + if raise_error_if_not_found: + raise IOError('File not found') + + return '' + + +def load_dotenv( + dotenv_path: Union[str, _PathLike, None] = None, + stream: Optional[IO[str]] = None, + verbose: bool = False, + override: bool = False, + interpolate: bool = True, + encoding: Optional[str] = "utf-8", +) -> bool: + """Parse a .env file and then load all the variables found as environment variables. + + - *dotenv_path*: absolute or relative path to .env file. + - *stream*: Text stream (such as `io.StringIO`) with .env content, used if + `dotenv_path` is `None`. + - *verbose*: whether to output a warning the .env file is missing. Defaults to + `False`. + - *override*: whether to override the system environment variables with the variables + in `.env` file. Defaults to `False`. + - *encoding*: encoding to be used to read the file. + + If both `dotenv_path` and `stream`, `find_dotenv()` is used to find the .env file. + """ + if dotenv_path is None and stream is None: + dotenv_path = find_dotenv() + + dotenv = DotEnv( + dotenv_path=dotenv_path, + stream=stream, + verbose=verbose, + interpolate=interpolate, + override=override, + encoding=encoding, + ) + return dotenv.set_as_environment_variables() + + +def dotenv_values( + dotenv_path: Union[str, _PathLike, None] = None, + stream: Optional[IO[str]] = None, + verbose: bool = False, + interpolate: bool = True, + encoding: Optional[str] = "utf-8", +) -> Dict[str, Optional[str]]: + """ + Parse a .env file and return its content as a dict. + + - *dotenv_path*: absolute or relative path to .env file. + - *stream*: `StringIO` object with .env content, used if `dotenv_path` is `None`. + - *verbose*: whether to output a warning the .env file is missing. Defaults to + `False`. + in `.env` file. Defaults to `False`. + - *encoding*: encoding to be used to read the file. + + If both `dotenv_path` and `stream`, `find_dotenv()` is used to find the .env file. + """ + if dotenv_path is None and stream is None: + dotenv_path = find_dotenv() + + return DotEnv( + dotenv_path=dotenv_path, + stream=stream, + verbose=verbose, + interpolate=interpolate, + override=True, + encoding=encoding, + ).dict() diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/parser.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/parser.py new file mode 100644 index 0000000..398bd49 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/parser.py @@ -0,0 +1,182 @@ +import codecs +import re +from typing import (IO, Iterator, Match, NamedTuple, Optional, # noqa:F401 + Pattern, Sequence, Tuple) + + +def make_regex(string: str, extra_flags: int = 0) -> Pattern[str]: + return re.compile(string, re.UNICODE | extra_flags) + + +_newline = make_regex(r"(\r\n|\n|\r)") +_multiline_whitespace = make_regex(r"\s*", extra_flags=re.MULTILINE) +_whitespace = make_regex(r"[^\S\r\n]*") +_export = make_regex(r"(?:export[^\S\r\n]+)?") +_single_quoted_key = make_regex(r"'([^']+)'") +_unquoted_key = make_regex(r"([^=\#\s]+)") +_equal_sign = make_regex(r"(=[^\S\r\n]*)") +_single_quoted_value = make_regex(r"'((?:\\'|[^'])*)'") +_double_quoted_value = make_regex(r'"((?:\\"|[^"])*)"') +_unquoted_value = make_regex(r"([^\r\n]*)") +_comment = make_regex(r"(?:[^\S\r\n]*#[^\r\n]*)?") +_end_of_line = make_regex(r"[^\S\r\n]*(?:\r\n|\n|\r|$)") +_rest_of_line = make_regex(r"[^\r\n]*(?:\r|\n|\r\n)?") +_double_quote_escapes = make_regex(r"\\[\\'\"abfnrtv]") +_single_quote_escapes = make_regex(r"\\[\\']") + + +Original = NamedTuple( + "Original", + [ + ("string", str), + ("line", int), + ], +) + +Binding = NamedTuple( + "Binding", + [ + ("key", Optional[str]), + ("value", Optional[str]), + ("original", Original), + ("error", bool), + ], +) + + +class Position: + def __init__(self, chars: int, line: int) -> None: + self.chars = chars + self.line = line + + @classmethod + def start(cls) -> "Position": + return cls(chars=0, line=1) + + def set(self, other: "Position") -> None: + self.chars = other.chars + self.line = other.line + + def advance(self, string: str) -> None: + self.chars += len(string) + self.line += len(re.findall(_newline, string)) + + +class Error(Exception): + pass + + +class Reader: + def __init__(self, stream: IO[str]) -> None: + self.string = stream.read() + self.position = Position.start() + self.mark = Position.start() + + def has_next(self) -> bool: + return self.position.chars < len(self.string) + + def set_mark(self) -> None: + self.mark.set(self.position) + + def get_marked(self) -> Original: + return Original( + string=self.string[self.mark.chars:self.position.chars], + line=self.mark.line, + ) + + def peek(self, count: int) -> str: + return self.string[self.position.chars:self.position.chars + count] + + def read(self, count: int) -> str: + result = self.string[self.position.chars:self.position.chars + count] + if len(result) < count: + raise Error("read: End of string") + self.position.advance(result) + return result + + def read_regex(self, regex: Pattern[str]) -> Sequence[str]: + match = regex.match(self.string, self.position.chars) + if match is None: + raise Error("read_regex: Pattern not found") + self.position.advance(self.string[match.start():match.end()]) + return match.groups() + + +def decode_escapes(regex: Pattern[str], string: str) -> str: + def decode_match(match: Match[str]) -> str: + return codecs.decode(match.group(0), 'unicode-escape') # type: ignore + + return regex.sub(decode_match, string) + + +def parse_key(reader: Reader) -> Optional[str]: + char = reader.peek(1) + if char == "#": + return None + elif char == "'": + (key,) = reader.read_regex(_single_quoted_key) + else: + (key,) = reader.read_regex(_unquoted_key) + return key + + +def parse_unquoted_value(reader: Reader) -> str: + (part,) = reader.read_regex(_unquoted_value) + return re.sub(r"\s+#.*", "", part).rstrip() + + +def parse_value(reader: Reader) -> str: + char = reader.peek(1) + if char == u"'": + (value,) = reader.read_regex(_single_quoted_value) + return decode_escapes(_single_quote_escapes, value) + elif char == u'"': + (value,) = reader.read_regex(_double_quoted_value) + return decode_escapes(_double_quote_escapes, value) + elif char in (u"", u"\n", u"\r"): + return u"" + else: + return parse_unquoted_value(reader) + + +def parse_binding(reader: Reader) -> Binding: + reader.set_mark() + try: + reader.read_regex(_multiline_whitespace) + if not reader.has_next(): + return Binding( + key=None, + value=None, + original=reader.get_marked(), + error=False, + ) + reader.read_regex(_export) + key = parse_key(reader) + reader.read_regex(_whitespace) + if reader.peek(1) == "=": + reader.read_regex(_equal_sign) + value = parse_value(reader) # type: Optional[str] + else: + value = None + reader.read_regex(_comment) + reader.read_regex(_end_of_line) + return Binding( + key=key, + value=value, + original=reader.get_marked(), + error=False, + ) + except Error: + reader.read_regex(_rest_of_line) + return Binding( + key=None, + value=None, + original=reader.get_marked(), + error=True, + ) + + +def parse_stream(stream: IO[str]) -> Iterator[Binding]: + reader = Reader(stream) + while reader.has_next(): + yield parse_binding(reader) diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/py.typed b/backend/mb-env/lib/python3.9/site-packages/dotenv/py.typed new file mode 100644 index 0000000..7632ecf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/py.typed @@ -0,0 +1 @@ +# Marker file for PEP 561 diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/variables.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/variables.py new file mode 100644 index 0000000..d77b700 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/variables.py @@ -0,0 +1,88 @@ +import re +from abc import ABCMeta +from typing import Iterator, Mapping, Optional, Pattern + +_posix_variable = re.compile( + r""" + \$\{ + (?P[^\}:]*) + (?::- + (?P[^\}]*) + )? + \} + """, + re.VERBOSE, +) # type: Pattern[str] + + +class Atom(): + __metaclass__ = ABCMeta + + def __ne__(self, other: object) -> bool: + result = self.__eq__(other) + if result is NotImplemented: + return NotImplemented + return not result + + def resolve(self, env: Mapping[str, Optional[str]]) -> str: + raise NotImplementedError + + +class Literal(Atom): + def __init__(self, value: str) -> None: + self.value = value + + def __repr__(self) -> str: + return "Literal(value={})".format(self.value) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, self.__class__): + return NotImplemented + return self.value == other.value + + def __hash__(self) -> int: + return hash((self.__class__, self.value)) + + def resolve(self, env: Mapping[str, Optional[str]]) -> str: + return self.value + + +class Variable(Atom): + def __init__(self, name: str, default: Optional[str]) -> None: + self.name = name + self.default = default + + def __repr__(self) -> str: + return "Variable(name={}, default={})".format(self.name, self.default) + + def __eq__(self, other: object) -> bool: + if not isinstance(other, self.__class__): + return NotImplemented + return (self.name, self.default) == (other.name, other.default) + + def __hash__(self) -> int: + return hash((self.__class__, self.name, self.default)) + + def resolve(self, env: Mapping[str, Optional[str]]) -> str: + default = self.default if self.default is not None else "" + result = env.get(self.name, default) + return result if result is not None else "" + + +def parse_variables(value: str) -> Iterator[Atom]: + cursor = 0 + + for match in _posix_variable.finditer(value): + (start, end) = match.span() + name = match.groupdict()["name"] + default = match.groupdict()["default"] + + if start > cursor: + yield Literal(value=value[cursor:start]) + + yield Variable(name=name, default=default) + cursor = end + + length = len(value) + if cursor < length: + yield Literal(value=value[cursor:length]) diff --git a/backend/mb-env/lib/python3.9/site-packages/dotenv/version.py b/backend/mb-env/lib/python3.9/site-packages/dotenv/version.py new file mode 100644 index 0000000..11ac8e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/dotenv/version.py @@ -0,0 +1 @@ +__version__ = "0.19.0" diff --git a/backend/mb-env/lib/python3.9/site-packages/easy-install.pth b/backend/mb-env/lib/python3.9/site-packages/easy-install.pth new file mode 100644 index 0000000..4513aba --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/easy-install.pth @@ -0,0 +1 @@ +/home/dan/g/moodbase/backend/mb-env/src/moodbase diff --git a/backend/mb-env/lib/python3.9/site-packages/easy_install.py b/backend/mb-env/lib/python3.9/site-packages/easy_install.py new file mode 100644 index 0000000..d87e984 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/easy_install.py @@ -0,0 +1,5 @@ +"""Run the EasyInstall command""" + +if __name__ == '__main__': + from setuptools.command.easy_install import main + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/LICENSE new file mode 100644 index 0000000..474479a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/LICENSE @@ -0,0 +1,24 @@ +"python-ecdsa" Copyright (c) 2010 Brian Warner + +Portions written in 2005 by Peter Pearson and placed in the public domain. + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/METADATA new file mode 100644 index 0000000..7b52cd7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/METADATA @@ -0,0 +1,658 @@ +Metadata-Version: 2.1 +Name: ecdsa +Version: 0.17.0 +Summary: ECDSA cryptographic signature library (pure python) +Home-page: http://github.com/tlsfuzzer/python-ecdsa +Author: Brian Warner +Author-email: warner@lothar.com +License: MIT +Platform: UNKNOWN +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Requires-Python: >=2.6, !=3.0.*, !=3.1.*, !=3.2.* +Description-Content-Type: text/markdown +Requires-Dist: six (>=1.9.0) +Provides-Extra: gmpy +Requires-Dist: gmpy ; extra == 'gmpy' +Provides-Extra: gmpy2 +Requires-Dist: gmpy2 ; extra == 'gmpy2' + +# Pure-Python ECDSA and ECDH + +[![Build Status](https://github.com/tlsfuzzer/python-ecdsa/workflows/GitHub%20CI/badge.svg?branch=master)](https://github.com/tlsfuzzer/python-ecdsa/actions?query=workflow%3A%22GitHub+CI%22+branch%3Amaster) +[![Coverage Status](https://coveralls.io/repos/github/tlsfuzzer/python-ecdsa/badge.svg?branch=master)](https://coveralls.io/github/tlsfuzzer/python-ecdsa?branch=master) +[![condition coverage](https://img.shields.io/badge/condition%20coverage-87%25-yellow)](https://travis-ci.com/github/tlsfuzzer/python-ecdsa/jobs/458951056#L544) +[![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/tlsfuzzer/python-ecdsa.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tlsfuzzer/python-ecdsa/context:python) +[![Total alerts](https://img.shields.io/lgtm/alerts/g/tlsfuzzer/python-ecdsa.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tlsfuzzer/python-ecdsa/alerts/) +[![Latest Version](https://img.shields.io/pypi/v/ecdsa.svg?style=flat)](https://pypi.python.org/pypi/ecdsa/) +![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg?style=flat) + + +This is an easy-to-use implementation of ECC (Elliptic Curve Cryptography) +with support for ECDSA (Elliptic Curve Digital Signature Algorithm) and ECDH +(Elliptic Curve Diffie-Hellman), implemented purely in Python, released under +the MIT license. With this library, you can quickly create keypairs (signing +key and verifying key), sign messages, and verify the signatures. You can +also agree on a shared secret key based on exchanged public keys. +The keys and signatures are very short, making them easy to handle and +incorporate into other protocols. + +## Features + +This library provides key generation, signing, verifying, and shared secret +derivation for five +popular NIST "Suite B" GF(p) (_prime field_) curves, with key lengths of 192, +224, 256, 384, and 521 bits. The "short names" for these curves, as known by +the OpenSSL tool (`openssl ecparam -list_curves`), are: `prime192v1`, +`secp224r1`, `prime256v1`, `secp384r1`, and `secp521r1`. It includes the +256-bit curve `secp256k1` used by Bitcoin. There is also support for the +regular (non-twisted) variants of Brainpool curves from 160 to 512 bits. The +"short names" of those curves are: `brainpoolP160r1`, `brainpoolP192r1`, +`brainpoolP224r1`, `brainpoolP256r1`, `brainpoolP320r1`, `brainpoolP384r1`, +`brainpoolP512r1`. Few of the small curves from SEC standard are also +included (mainly to speed-up testing of the library), those are: +`secp112r1`, `secp112r2`, `secp128r1`, and `secp160r1`. +No other curves are included, but it is not too hard to add support for more +curves over prime fields. + +## Dependencies + +This library uses only Python and the 'six' package. It is compatible with +Python 2.6, 2.7 and 3.3+. It also supports execution on the alternative +implementations like pypy and pypy3. + +If `gmpy2` or `gmpy` is installed, they will be used for faster arithmetic. +Either of them can be installed after this library is installed, +`python-ecdsa` will detect their presence on start-up and use them +automatically. +You should prefer `gmpy2` on Python3 for optimal performance. + +To run the OpenSSL compatibility tests, the 'openssl' tool must be in your +`PATH`. This release has been tested successfully against OpenSSL 0.9.8o, +1.0.0a, 1.0.2f and 1.1.1d (among others). + + +## Installation + +This library is available on PyPI, it's recommended to install it using `pip`: + +``` +pip install ecdsa +``` + +In case higher performance is wanted and using native code is not a problem, +it's possible to specify installation together with `gmpy2`: + +``` +pip install ecdsa[gmpy2] +``` + +or (slower, legacy option): +``` +pip install ecdsa[gmpy] +``` + +## Speed + +The following table shows how long this library takes to generate keypairs +(`keygen`), to sign data (`sign`), to verify those signatures (`verify`), +to derive a shared secret (`ecdh`), and +to verify the signatures with no key specific precomputation (`no PC verify`). +All those values are in seconds. +For convenience, the inverses of those values are also provided: +how many keys per second can be generated (`keygen/s`), how many signatures +can be made per second (`sign/s`), how many signatures can be verified +per second (`verify/s`), how many shared secrets can be derived per second +(`ecdh/s`), and how many signatures with no key specific +precomputation can be verified per second (`no PC verify/s`). The size of raw +signature (generally the smallest +way a signature can be encoded) is also provided in the `siglen` column. +Use `tox -e speed` to generate this table on your own computer. +On an Intel Core i7 4790K @ 4.0GHz I'm getting the following performance: + +``` + siglen keygen keygen/s sign sign/s verify verify/s no PC verify no PC verify/s + NIST192p: 48 0.00032s 3134.06 0.00033s 2985.53 0.00063s 1598.36 0.00129s 774.43 + NIST224p: 56 0.00040s 2469.24 0.00042s 2367.88 0.00081s 1233.41 0.00170s 586.66 + NIST256p: 64 0.00051s 1952.73 0.00054s 1867.80 0.00098s 1021.86 0.00212s 471.27 + NIST384p: 96 0.00107s 935.92 0.00111s 904.23 0.00203s 491.77 0.00446s 224.00 + NIST521p: 132 0.00210s 475.52 0.00215s 464.16 0.00398s 251.28 0.00874s 114.39 + SECP256k1: 64 0.00052s 1921.54 0.00054s 1847.49 0.00105s 948.68 0.00210s 477.01 + BRAINPOOLP160r1: 40 0.00025s 4003.88 0.00026s 3845.12 0.00053s 1893.93 0.00105s 949.92 + BRAINPOOLP192r1: 48 0.00033s 3043.97 0.00034s 2975.98 0.00063s 1581.50 0.00135s 742.29 + BRAINPOOLP224r1: 56 0.00041s 2436.44 0.00043s 2315.51 0.00078s 1278.49 0.00180s 556.16 + BRAINPOOLP256r1: 64 0.00053s 1892.49 0.00054s 1846.24 0.00114s 875.64 0.00229s 437.25 + BRAINPOOLP320r1: 80 0.00073s 1361.26 0.00076s 1309.25 0.00143s 699.29 0.00322s 310.49 + BRAINPOOLP384r1: 96 0.00107s 931.29 0.00111s 901.80 0.00230s 434.19 0.00476s 210.20 + BRAINPOOLP512r1: 128 0.00207s 483.41 0.00212s 471.42 0.00425s 235.43 0.00912s 109.61 + SECP112r1: 28 0.00015s 6672.53 0.00016s 6440.34 0.00031s 3265.41 0.00056s 1774.20 + SECP112r2: 28 0.00015s 6697.11 0.00015s 6479.98 0.00028s 3524.72 0.00058s 1716.16 + SECP128r1: 32 0.00018s 5497.65 0.00019s 5272.89 0.00036s 2747.39 0.00072s 1396.16 + SECP160r1: 42 0.00025s 3949.32 0.00026s 3894.45 0.00046s 2153.85 0.00102s 985.07 + + ecdh ecdh/s + NIST192p: 0.00104s 964.89 + NIST224p: 0.00134s 748.63 + NIST256p: 0.00170s 587.08 + NIST384p: 0.00352s 283.90 + NIST521p: 0.00717s 139.51 + SECP256k1: 0.00154s 648.40 + BRAINPOOLP160r1: 0.00082s 1220.70 + BRAINPOOLP192r1: 0.00105s 956.75 + BRAINPOOLP224r1: 0.00136s 734.52 + BRAINPOOLP256r1: 0.00178s 563.32 + BRAINPOOLP320r1: 0.00252s 397.23 + BRAINPOOLP384r1: 0.00376s 266.27 + BRAINPOOLP512r1: 0.00733s 136.35 + SECP112r1: 0.00046s 2180.40 + SECP112r2: 0.00045s 2229.14 + SECP128r1: 0.00054s 1868.15 + SECP160r1: 0.00080s 1243.98 +``` + +To test performance with `gmpy2` loaded, use `tox -e speedgmpy2`. +On the same machine I'm getting the following performance with `gmpy2`: +``` + siglen keygen keygen/s sign sign/s verify verify/s no PC verify no PC verify/s + NIST192p: 48 0.00017s 5933.40 0.00017s 5751.70 0.00032s 3125.28 0.00067s 1502.41 + NIST224p: 56 0.00021s 4782.87 0.00022s 4610.05 0.00040s 2487.04 0.00089s 1126.90 + NIST256p: 64 0.00023s 4263.98 0.00024s 4125.16 0.00045s 2200.88 0.00098s 1016.82 + NIST384p: 96 0.00041s 2449.54 0.00042s 2399.96 0.00083s 1210.57 0.00172s 581.43 + NIST521p: 132 0.00071s 1416.07 0.00072s 1389.81 0.00144s 692.93 0.00312s 320.40 + SECP256k1: 64 0.00024s 4245.05 0.00024s 4122.09 0.00045s 2206.40 0.00094s 1068.32 + BRAINPOOLP160r1: 40 0.00014s 6939.17 0.00015s 6681.55 0.00029s 3452.43 0.00057s 1769.81 + BRAINPOOLP192r1: 48 0.00017s 5920.05 0.00017s 5774.36 0.00034s 2979.00 0.00069s 1453.19 + BRAINPOOLP224r1: 56 0.00021s 4732.12 0.00022s 4622.65 0.00041s 2422.47 0.00087s 1149.87 + BRAINPOOLP256r1: 64 0.00024s 4233.02 0.00024s 4115.20 0.00047s 2143.27 0.00098s 1015.60 + BRAINPOOLP320r1: 80 0.00032s 3162.38 0.00032s 3077.62 0.00063s 1598.83 0.00136s 737.34 + BRAINPOOLP384r1: 96 0.00041s 2436.88 0.00042s 2395.62 0.00083s 1202.68 0.00178s 562.85 + BRAINPOOLP512r1: 128 0.00063s 1587.60 0.00064s 1558.83 0.00125s 799.96 0.00281s 355.83 + SECP112r1: 28 0.00009s 11118.66 0.00009s 10775.48 0.00018s 5456.00 0.00033s 3020.83 + SECP112r2: 28 0.00009s 11322.97 0.00009s 10857.71 0.00017s 5748.77 0.00032s 3094.28 + SECP128r1: 32 0.00010s 10078.39 0.00010s 9665.27 0.00019s 5200.58 0.00036s 2760.88 + SECP160r1: 42 0.00015s 6875.51 0.00015s 6647.35 0.00029s 3422.41 0.00057s 1768.35 + + ecdh ecdh/s + NIST192p: 0.00050s 1985.70 + NIST224p: 0.00066s 1524.16 + NIST256p: 0.00071s 1413.07 + NIST384p: 0.00127s 788.89 + NIST521p: 0.00230s 434.85 + SECP256k1: 0.00071s 1409.95 + BRAINPOOLP160r1: 0.00042s 2374.65 + BRAINPOOLP192r1: 0.00051s 1960.01 + BRAINPOOLP224r1: 0.00066s 1518.37 + BRAINPOOLP256r1: 0.00071s 1399.90 + BRAINPOOLP320r1: 0.00100s 997.21 + BRAINPOOLP384r1: 0.00129s 777.51 + BRAINPOOLP512r1: 0.00210s 475.99 + SECP112r1: 0.00022s 4457.70 + SECP112r2: 0.00024s 4252.33 + SECP128r1: 0.00028s 3589.31 + SECP160r1: 0.00043s 2305.02 +``` + +(there's also `gmpy` version, execute it using `tox -e speedgmpy`) + +For comparison, a highly optimised implementation (including curve-specific +assembly for some curves), like the one in OpenSSL 1.1.1d, provides following +performance numbers on the same machine. +Run `openssl speed ecdsa` and `openssl speed ecdh` to reproduce it: +``` + sign verify sign/s verify/s + 192 bits ecdsa (nistp192) 0.0002s 0.0002s 4785.6 5380.7 + 224 bits ecdsa (nistp224) 0.0000s 0.0001s 22475.6 9822.0 + 256 bits ecdsa (nistp256) 0.0000s 0.0001s 45069.6 14166.6 + 384 bits ecdsa (nistp384) 0.0008s 0.0006s 1265.6 1648.1 + 521 bits ecdsa (nistp521) 0.0003s 0.0005s 3753.1 1819.5 + 256 bits ecdsa (brainpoolP256r1) 0.0003s 0.0003s 2983.5 3333.2 + 384 bits ecdsa (brainpoolP384r1) 0.0008s 0.0007s 1258.8 1528.1 + 512 bits ecdsa (brainpoolP512r1) 0.0015s 0.0012s 675.1 860.1 + + op op/s + 192 bits ecdh (nistp192) 0.0002s 4853.4 + 224 bits ecdh (nistp224) 0.0001s 15252.1 + 256 bits ecdh (nistp256) 0.0001s 18436.3 + 384 bits ecdh (nistp384) 0.0008s 1292.7 + 521 bits ecdh (nistp521) 0.0003s 2884.7 + 256 bits ecdh (brainpoolP256r1) 0.0003s 3066.5 + 384 bits ecdh (brainpoolP384r1) 0.0008s 1298.0 + 512 bits ecdh (brainpoolP512r1) 0.0014s 694.8 +``` + +Keys and signature can be serialized in different ways (see Usage, below). +For a NIST192p key, the three basic representations require strings of the +following lengths (in bytes): + + to_string: signkey= 24, verifykey= 48, signature=48 + compressed: signkey=n/a, verifykey= 25, signature=n/a + DER: signkey=106, verifykey= 80, signature=55 + PEM: signkey=278, verifykey=162, (no support for PEM signatures) + +## History + +In 2006, Peter Pearson announced his pure-python implementation of ECDSA in a +[message to sci.crypt][1], available from his [download site][2]. In 2010, +Brian Warner wrote a wrapper around this code, to make it a bit easier and +safer to use. In 2020, Hubert Kario included an implementation of elliptic +curve cryptography that uses Jacobian coordinates internally, improving +performance about 20-fold. You are looking at the README for this wrapper. + +[1]: http://www.derkeiler.com/Newsgroups/sci.crypt/2006-01/msg00651.html +[2]: http://webpages.charter.net/curryfans/peter/downloads.html + +## Testing + +To run the full test suite, do this: + + tox -e coverage + +On an Intel Core i7 4790K @ 4.0GHz, the tests take about 18 seconds to execute. +The test suite uses +[`hypothesis`](https://github.com/HypothesisWorks/hypothesis) so there is some +inherent variability in the test suite execution time. + +One part of `test_pyecdsa.py` and `test_ecdh.py` checks compatibility with +OpenSSL, by running the "openssl" CLI tool, make sure it's in your `PATH` if +you want to test compatibility with it (if OpenSSL is missing, too old, or +doesn't support all the curves supported in upstream releases you will see +skipped tests in the above `coverage` run). + +## Security + +This library was not designed with security in mind. If you are processing +data that needs to be protected we suggest you use a quality wrapper around +OpenSSL. [pyca/cryptography](https://cryptography.io) is one example of such +a wrapper. The primary use-case of this library is as a portable library for +interoperability testing and as a teaching tool. + +**This library does not protect against side channel attacks.** + +Do not allow attackers to measure how long it takes you to generate a keypair +or sign a message. Do not allow attackers to run code on the same physical +machine when keypair generation or signing is taking place (this includes +virtual machines). Do not allow attackers to measure how much power your +computer uses while generating the keypair or signing a message. Do not allow +attackers to measure RF interference coming from your computer while generating +a keypair or signing a message. Note: just loading the private key will cause +keypair generation. Other operations or attack vectors may also be +vulnerable to attacks. **For a sophisticated attacker observing just one +operation with a private key will be sufficient to completely +reconstruct the private key**. + +Please also note that any Pure-python cryptographic library will be vulnerable +to the same side channel attacks. This is because Python does not provide +side-channel secure primitives (with the exception of +[`hmac.compare_digest()`][3]), making side-channel secure programming +impossible. + +This library depends upon a strong source of random numbers. Do not use it on +a system where `os.urandom()` does not provide cryptographically secure +random numbers. + +[3]: https://docs.python.org/3/library/hmac.html#hmac.compare_digest + +## Usage + +You start by creating a `SigningKey`. You can use this to sign data, by passing +in data as a byte string and getting back the signature (also a byte string). +You can also ask a `SigningKey` to give you the corresponding `VerifyingKey`. +The `VerifyingKey` can be used to verify a signature, by passing it both the +data string and the signature byte string: it either returns True or raises +`BadSignatureError`. + +```python +from ecdsa import SigningKey +sk = SigningKey.generate() # uses NIST192p +vk = sk.verifying_key +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +Each `SigningKey`/`VerifyingKey` is associated with a specific curve, like +NIST192p (the default one). Longer curves are more secure, but take longer to +use, and result in longer keys and signatures. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +The `SigningKey` can be serialized into several different formats: the shortest +is to call `s=sk.to_string()`, and then re-create it with +`SigningKey.from_string(s, curve)` . This short form does not record the +curve, so you must be sure to pass to `from_string()` the same curve you used +for the original key. The short form of a NIST192p-based signing key is just 24 +bytes long. If a point encoding is invalid or it does not lie on the specified +curve, `from_string()` will raise `MalformedPointError`. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +sk_string = sk.to_string() +sk2 = SigningKey.from_string(sk_string, curve=NIST384p) +print(sk_string.hex()) +print(sk2.to_string().hex()) +``` + +Note: while the methods are called `to_string()` the type they return is +actually `bytes`, the "string" part is leftover from Python 2. + +`sk.to_pem()` and `sk.to_der()` will serialize the signing key into the same +formats that OpenSSL uses. The PEM file looks like the familiar ASCII-armored +`"-----BEGIN EC PRIVATE KEY-----"` base64-encoded format, and the DER format +is a shorter binary form of the same data. +`SigningKey.from_pem()/.from_der()` will undo this serialization. These +formats include the curve name, so you do not need to pass in a curve +identifier to the deserializer. In case the file is malformed `from_der()` +and `from_pem()` will raise `UnexpectedDER` or` MalformedPointError`. + +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +sk_pem = sk.to_pem() +sk2 = SigningKey.from_pem(sk_pem) +# sk and sk2 are the same key +``` + +Likewise, the `VerifyingKey` can be serialized in the same way: +`vk.to_string()/VerifyingKey.from_string()`, `to_pem()/from_pem()`, and +`to_der()/from_der()`. The same `curve=` argument is needed for +`VerifyingKey.from_string()`. + +```python +from ecdsa import SigningKey, VerifyingKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk_string = vk.to_string() +vk2 = VerifyingKey.from_string(vk_string, curve=NIST384p) +# vk and vk2 are the same key + +from ecdsa import SigningKey, VerifyingKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk_pem = vk.to_pem() +vk2 = VerifyingKey.from_pem(vk_pem) +# vk and vk2 are the same key +``` + +There are a couple of different ways to compute a signature. Fundamentally, +ECDSA takes a number that represents the data being signed, and returns a +pair of numbers that represent the signature. The `hashfunc=` argument to +`sk.sign()` and `vk.verify()` is used to turn an arbitrary string into +fixed-length digest, which is then turned into a number that ECDSA can sign, +and both sign and verify must use the same approach. The default value is +`hashlib.sha1`, but if you use NIST256p or a longer curve, you can use +`hashlib.sha256` instead. + +There are also multiple ways to represent a signature. The default +`sk.sign()` and `vk.verify()` methods present it as a short string, for +simplicity and minimal overhead. To use a different scheme, use the +`sk.sign(sigencode=)` and `vk.verify(sigdecode=)` arguments. There are helper +functions in the `ecdsa.util` module that can be useful here. + +It is also possible to create a `SigningKey` from a "seed", which is +deterministic. This can be used in protocols where you want to derive +consistent signing keys from some other secret, for example when you want +three separate keys and only want to store a single master secret. You should +start with a uniformly-distributed unguessable seed with about `curve.baselen` +bytes of entropy, and then use one of the helper functions in `ecdsa.util` to +convert it into an integer in the correct range, and then finally pass it +into `SigningKey.from_secret_exponent()`, like this: + +```python +import os +from ecdsa import NIST384p, SigningKey +from ecdsa.util import randrange_from_seed__trytryagain + +def make_key(seed): + secexp = randrange_from_seed__trytryagain(seed, NIST384p.order) + return SigningKey.from_secret_exponent(secexp, curve=NIST384p) + +seed = os.urandom(NIST384p.baselen) # or other starting point +sk1a = make_key(seed) +sk1b = make_key(seed) +# note: sk1a and sk1b are the same key +assert sk1a.to_string() == sk1b.to_string() +sk2 = make_key(b"2-"+seed) # different key +assert sk1a.to_string() != sk2.to_string() +``` + +In case the application will verify a lot of signatures made with a single +key, it's possible to precompute some of the internal values to make +signature verification significantly faster. The break-even point occurs at +about 100 signatures verified. + +To perform precomputation, you can call the `precompute()` method +on `VerifyingKey` instance: +```python +from ecdsa import SigningKey, NIST384p +sk = SigningKey.generate(curve=NIST384p) +vk = sk.verifying_key +vk.precompute() +signature = sk.sign(b"message") +assert vk.verify(signature, b"message") +``` + +Once `precompute()` was called, all signature verifications with this key will +be faster to execute. + +## OpenSSL Compatibility + +To produce signatures that can be verified by OpenSSL tools, or to verify +signatures that were produced by those tools, use: + +```python +# openssl ecparam -name prime256v1 -genkey -out sk.pem +# openssl ec -in sk.pem -pubout -out vk.pem +# echo "data for signing" > data +# openssl dgst -sha256 -sign sk.pem -out data.sig data +# openssl dgst -sha256 -verify vk.pem -signature data.sig data +# openssl dgst -sha256 -prverify sk.pem -signature data.sig data + +import hashlib +from ecdsa import SigningKey, VerifyingKey +from ecdsa.util import sigencode_der, sigdecode_der + +with open("vk.pem") as f: + vk = VerifyingKey.from_pem(f.read()) + +with open("data", "rb") as f: + data = f.read() + +with open("data.sig", "rb") as f: + signature = f.read() + +assert vk.verify(signature, data, hashlib.sha256, sigdecode=sigdecode_der) + +with open("sk.pem") as f: + sk = SigningKey.from_pem(f.read(), hashlib.sha256) + +new_signature = sk.sign_deterministic(data, sigencode=sigencode_der) + +with open("data.sig2", "wb") as f: + f.write(new_signature) + +# openssl dgst -sha256 -verify vk.pem -signature data.sig2 data +``` + +Note: if compatibility with OpenSSL 1.0.0 or earlier is necessary, the +`sigencode_string` and `sigdecode_string` from `ecdsa.util` can be used for +respectively writing and reading the signatures. + +The keys also can be written in format that openssl can handle: + +```python +from ecdsa import SigningKey, VerifyingKey + +with open("sk.pem") as f: + sk = SigningKey.from_pem(f.read()) +with open("sk.pem", "wb") as f: + f.write(sk.to_pem()) + +with open("vk.pem") as f: + vk = VerifyingKey.from_pem(f.read()) +with open("vk.pem", "wb") as f: + f.write(vk.to_pem()) +``` + +## Entropy + +Creating a signing key with `SigningKey.generate()` requires some form of +entropy (as opposed to +`from_secret_exponent`/`from_string`/`from_der`/`from_pem`, +which are deterministic and do not require an entropy source). The default +source is `os.urandom()`, but you can pass any other function that behaves +like `os.urandom` as the `entropy=` argument to do something different. This +may be useful in unit tests, where you want to achieve repeatable results. The +`ecdsa.util.PRNG` utility is handy here: it takes a seed and produces a strong +pseudo-random stream from it: + +```python +from ecdsa.util import PRNG +from ecdsa import SigningKey +rng1 = PRNG(b"seed") +sk1 = SigningKey.generate(entropy=rng1) +rng2 = PRNG(b"seed") +sk2 = SigningKey.generate(entropy=rng2) +# sk1 and sk2 are the same key +``` + +Likewise, ECDSA signature generation requires a random number, and each +signature must use a different one (using the same number twice will +immediately reveal the private signing key). The `sk.sign()` method takes an +`entropy=` argument which behaves the same as `SigningKey.generate(entropy=)`. + +## Deterministic Signatures + +If you call `SigningKey.sign_deterministic(data)` instead of `.sign(data)`, +the code will generate a deterministic signature instead of a random one. +This uses the algorithm from RFC6979 to safely generate a unique `k` value, +derived from the private key and the message being signed. Each time you sign +the same message with the same key, you will get the same signature (using +the same `k`). + +This may become the default in a future version, as it is not vulnerable to +failures of the entropy source. + +## Examples + +Create a NIST192p keypair and immediately save both to disk: + +```python +from ecdsa import SigningKey +sk = SigningKey.generate() +vk = sk.verifying_key +with open("private.pem", "wb") as f: + f.write(sk.to_pem()) +with open("public.pem", "wb") as f: + f.write(vk.to_pem()) +``` + +Load a signing key from disk, use it to sign a message (using SHA-1), and write +the signature to disk: + +```python +from ecdsa import SigningKey +with open("private.pem") as f: + sk = SigningKey.from_pem(f.read()) +with open("message", "rb") as f: + message = f.read() +sig = sk.sign(message) +with open("signature", "wb") as f: + f.write(sig) +``` + +Load the verifying key, message, and signature from disk, and verify the +signature (assume SHA-1 hash): + +```python +from ecdsa import VerifyingKey, BadSignatureError +vk = VerifyingKey.from_pem(open("public.pem").read()) +with open("message", "rb") as f: + message = f.read() +with open("signature", "rb") as f: + sig = f.read() +try: + vk.verify(sig, message) + print "good signature" +except BadSignatureError: + print "BAD SIGNATURE" +``` + +Create a NIST521p keypair: + +```python +from ecdsa import SigningKey, NIST521p +sk = SigningKey.generate(curve=NIST521p) +vk = sk.verifying_key +``` + +Create three independent signing keys from a master seed: + +```python +from ecdsa import NIST192p, SigningKey +from ecdsa.util import randrange_from_seed__trytryagain + +def make_key_from_seed(seed, curve=NIST192p): + secexp = randrange_from_seed__trytryagain(seed, curve.order) + return SigningKey.from_secret_exponent(secexp, curve) + +sk1 = make_key_from_seed("1:%s" % seed) +sk2 = make_key_from_seed("2:%s" % seed) +sk3 = make_key_from_seed("3:%s" % seed) +``` + +Load a verifying key from disk and print it using hex encoding in +uncompressed and compressed format (defined in X9.62 and SEC1 standards): + +```python +from ecdsa import VerifyingKey + +with open("public.pem") as f: + vk = VerifyingKey.from_pem(f.read()) + +print("uncompressed: {0}".format(vk.to_string("uncompressed").hex())) +print("compressed: {0}".format(vk.to_string("compressed").hex())) +``` + +Load a verifying key from a hex string from compressed format, output +uncompressed: + +```python +from ecdsa import VerifyingKey, NIST256p + +comp_str = '022799c0d0ee09772fdd337d4f28dc155581951d07082fb19a38aa396b67e77759' +vk = VerifyingKey.from_string(bytearray.fromhex(comp_str), curve=NIST256p) +print(vk.to_string("uncompressed").hex()) +``` + +ECDH key exchange with remote party: + +```python +from ecdsa import ECDH, NIST256p + +ecdh = ECDH(curve=NIST256p) +ecdh.generate_private_key() +local_public_key = ecdh.get_public_key() +#send `local_public_key` to remote party and receive `remote_public_key` from remote party +with open("remote_public_key.pem") as e: + remote_public_key = e.read() +ecdh.load_received_public_key_pem(remote_public_key) +secret = ecdh.generate_sharedsecret_bytes() +``` + + diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/RECORD new file mode 100644 index 0000000..0deefb4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/RECORD @@ -0,0 +1,57 @@ +ecdsa-0.17.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +ecdsa-0.17.0.dist-info/LICENSE,sha256=PsqYRXc9LluMydjBGdNF8ApIBuS9Zg1KPWzfnA6di7I,1147 +ecdsa-0.17.0.dist-info/METADATA,sha256=QgdkMo-Z0HsjHuFRckTK5NZZx6_yJ6eBpH_z3oG4ef4,28533 +ecdsa-0.17.0.dist-info/RECORD,, +ecdsa-0.17.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +ecdsa-0.17.0.dist-info/WHEEL,sha256=8zNYZbwQSXoB9IfXOjPfeNwvAsALAjffgk27FqvCWbo,110 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a/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/top_level.txt new file mode 100644 index 0000000..aa5efdb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa-0.17.0.dist-info/top_level.txt @@ -0,0 +1 @@ +ecdsa diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/__init__.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/__init__.py new file mode 100644 index 0000000..08adeee --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/__init__.py @@ -0,0 +1,88 @@ +# while we don't use six in this file, we did bundle it for a long time, so +# keep as part of module in a virtual way (through __all__) +import six +from .keys import ( + SigningKey, + VerifyingKey, + BadSignatureError, + BadDigestError, + MalformedPointError, +) +from .curves import ( + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + SECP256k1, + BRAINPOOLP160r1, + BRAINPOOLP192r1, + BRAINPOOLP224r1, + BRAINPOOLP256r1, + BRAINPOOLP320r1, + BRAINPOOLP384r1, + BRAINPOOLP512r1, + SECP112r1, + SECP112r2, + SECP128r1, + SECP160r1, +) +from .ecdh import ( + ECDH, + NoKeyError, + NoCurveError, + InvalidCurveError, + InvalidSharedSecretError, +) +from .der import UnexpectedDER + +# This code comes from http://github.com/tlsfuzzer/python-ecdsa +from ._version import get_versions + +__version__ = get_versions()["version"] +del get_versions + +__all__ = [ + "curves", + "der", + "ecdsa", + "ellipticcurve", + "keys", + "numbertheory", + "test_pyecdsa", + "util", + "six", +] + +_hush_pyflakes = [ + SigningKey, + VerifyingKey, + BadSignatureError, + BadDigestError, + MalformedPointError, + UnexpectedDER, + InvalidCurveError, + NoKeyError, + InvalidSharedSecretError, + ECDH, + NoCurveError, + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + SECP256k1, + BRAINPOOLP160r1, + BRAINPOOLP192r1, + BRAINPOOLP224r1, + BRAINPOOLP256r1, + BRAINPOOLP320r1, + BRAINPOOLP384r1, + BRAINPOOLP512r1, + SECP112r1, + SECP112r2, + SECP128r1, + SECP160r1, + six.b(""), +] +del _hush_pyflakes diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/_compat.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_compat.py new file mode 100644 index 0000000..d773e75 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_compat.py @@ -0,0 +1,64 @@ +""" +Common functions for providing cross-python version compatibility. +""" +import sys +import re +from six import integer_types + + +def str_idx_as_int(string, index): + """Take index'th byte from string, return as integer""" + val = string[index] + if isinstance(val, integer_types): + return val + return ord(val) + + +if sys.version_info < (3, 0): # pragma: no branch + + def normalise_bytes(buffer_object): + """Cast the input into array of bytes.""" + # flake8 runs on py3 where `buffer` indeed doesn't exist... + return buffer(buffer_object) # noqa: F821 + + def hmac_compat(ret): + return ret + + if sys.version_info < (2, 7) or sys.version_info < ( # pragma: no branch + 2, + 7, + 4, + ): + + def remove_whitespace(text): + """Removes all whitespace from passed in string""" + return re.sub(r"\s+", "", text) + + else: + + def remove_whitespace(text): + """Removes all whitespace from passed in string""" + return re.sub(r"\s+", "", text, flags=re.UNICODE) + + +else: + if sys.version_info < (3, 4): # pragma: no branch + # on python 3.3 hmac.hmac.update() accepts only bytes, on newer + # versions it does accept memoryview() also + def hmac_compat(data): + if not isinstance(data, bytes): # pragma: no branch + return bytes(data) + return data + + else: + + def hmac_compat(data): + return data + + def normalise_bytes(buffer_object): + """Cast the input into array of bytes.""" + return memoryview(buffer_object).cast("B") + + def remove_whitespace(text): + """Removes all whitespace from passed in string""" + return re.sub(r"\s+", "", text, flags=re.UNICODE) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/_rwlock.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_rwlock.py new file mode 100644 index 0000000..010e498 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_rwlock.py @@ -0,0 +1,86 @@ +# Copyright Mateusz Kobos, (c) 2011 +# https://code.activestate.com/recipes/577803-reader-writer-lock-with-priority-for-writers/ +# released under the MIT licence + +import threading + + +__author__ = "Mateusz Kobos" + + +class RWLock: + """ + Read-Write locking primitive + + Synchronization object used in a solution of so-called second + readers-writers problem. In this problem, many readers can simultaneously + access a share, and a writer has an exclusive access to this share. + Additionally, the following constraints should be met: + 1) no reader should be kept waiting if the share is currently opened for + reading unless a writer is also waiting for the share, + 2) no writer should be kept waiting for the share longer than absolutely + necessary. + + The implementation is based on [1, secs. 4.2.2, 4.2.6, 4.2.7] + with a modification -- adding an additional lock (C{self.__readers_queue}) + -- in accordance with [2]. + + Sources: + [1] A.B. Downey: "The little book of semaphores", Version 2.1.5, 2008 + [2] P.J. Courtois, F. Heymans, D.L. Parnas: + "Concurrent Control with 'Readers' and 'Writers'", + Communications of the ACM, 1971 (via [3]) + [3] http://en.wikipedia.org/wiki/Readers-writers_problem + """ + + def __init__(self): + """ + A lock giving an even higher priority to the writer in certain + cases (see [2] for a discussion). + """ + self.__read_switch = _LightSwitch() + self.__write_switch = _LightSwitch() + self.__no_readers = threading.Lock() + self.__no_writers = threading.Lock() + self.__readers_queue = threading.Lock() + + def reader_acquire(self): + self.__readers_queue.acquire() + self.__no_readers.acquire() + self.__read_switch.acquire(self.__no_writers) + self.__no_readers.release() + self.__readers_queue.release() + + def reader_release(self): + self.__read_switch.release(self.__no_writers) + + def writer_acquire(self): + self.__write_switch.acquire(self.__no_readers) + self.__no_writers.acquire() + + def writer_release(self): + self.__no_writers.release() + self.__write_switch.release(self.__no_readers) + + +class _LightSwitch: + """An auxiliary "light switch"-like object. The first thread turns on the + "switch", the last one turns it off (see [1, sec. 4.2.2] for details).""" + + def __init__(self): + self.__counter = 0 + self.__mutex = threading.Lock() + + def acquire(self, lock): + self.__mutex.acquire() + self.__counter += 1 + if self.__counter == 1: + lock.acquire() + self.__mutex.release() + + def release(self, lock): + self.__mutex.acquire() + self.__counter -= 1 + if self.__counter == 0: + lock.release() + self.__mutex.release() diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/_version.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_version.py new file mode 100644 index 0000000..bc85519 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/_version.py @@ -0,0 +1,21 @@ + +# This file was generated by 'versioneer.py' (0.17) from +# revision-control system data, or from the parent directory name of an +# unpacked source archive. Distribution tarballs contain a pre-generated copy +# of this file. + +import json + +version_json = ''' +{ + "date": "2021-05-27T20:07:15+0200", + "dirty": false, + "error": null, + "full-revisionid": "5aa87c52c25a476f691b570be3577ff71cd01982", + "version": "0.17.0" +} +''' # END VERSION_JSON + + +def get_versions(): + return json.loads(version_json) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/curves.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/curves.py new file mode 100644 index 0000000..7a4a530 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/curves.py @@ -0,0 +1,440 @@ +from __future__ import division + +from six import PY2 +from . import der, ecdsa, ellipticcurve +from .util import orderlen, number_to_string, string_to_number +from ._compat import normalise_bytes + + +# orderlen was defined in this module previously, so keep it in __all__, +# will need to mark it as deprecated later +__all__ = [ + "UnknownCurveError", + "orderlen", + "Curve", + "SECP112r1", + "SECP112r2", + "SECP128r1", + "SECP160r1", + "NIST192p", + "NIST224p", + "NIST256p", + "NIST384p", + "NIST521p", + "curves", + "find_curve", + "SECP256k1", + "BRAINPOOLP160r1", + "BRAINPOOLP192r1", + "BRAINPOOLP224r1", + "BRAINPOOLP256r1", + "BRAINPOOLP320r1", + "BRAINPOOLP384r1", + "BRAINPOOLP512r1", + "PRIME_FIELD_OID", + "CHARACTERISTIC_TWO_FIELD_OID", +] + + +PRIME_FIELD_OID = (1, 2, 840, 10045, 1, 1) +CHARACTERISTIC_TWO_FIELD_OID = (1, 2, 840, 10045, 1, 2) + + +class UnknownCurveError(Exception): + pass + + +class Curve: + def __init__(self, name, curve, generator, oid, openssl_name=None): + self.name = name + self.openssl_name = openssl_name # maybe None + self.curve = curve + self.generator = generator + self.order = generator.order() + self.baselen = orderlen(self.order) + self.verifying_key_length = 2 * orderlen(curve.p()) + self.signature_length = 2 * self.baselen + self.oid = oid + if oid: + self.encoded_oid = der.encode_oid(*oid) + + def __eq__(self, other): + if isinstance(other, Curve): + return ( + self.curve == other.curve and self.generator == other.generator + ) + return NotImplemented + + def __ne__(self, other): + return not self == other + + def __repr__(self): + return self.name + + def to_der(self, encoding=None, point_encoding="uncompressed"): + """Serialise the curve parameters to binary string. + + :param str encoding: the format to save the curve parameters in. + Default is ``named_curve``, with fallback being the ``explicit`` + if the OID is not set for the curve. + :param str point_encoding: the point encoding of the generator when + explicit curve encoding is used. Ignored for ``named_curve`` + format. + + :return: DER encoded ECParameters structure + :rtype: bytes + """ + if encoding is None: + if self.oid: + encoding = "named_curve" + else: + encoding = "explicit" + + if encoding == "named_curve": + if not self.oid: + raise UnknownCurveError( + "Can't encode curve using named_curve encoding without " + "associated curve OID" + ) + return der.encode_oid(*self.oid) + + # encode the ECParameters sequence + curve_p = self.curve.p() + version = der.encode_integer(1) + field_id = der.encode_sequence( + der.encode_oid(*PRIME_FIELD_OID), der.encode_integer(curve_p) + ) + curve = der.encode_sequence( + der.encode_octet_string( + number_to_string(self.curve.a() % curve_p, curve_p) + ), + der.encode_octet_string( + number_to_string(self.curve.b() % curve_p, curve_p) + ), + ) + base = der.encode_octet_string(self.generator.to_bytes(point_encoding)) + order = der.encode_integer(self.generator.order()) + seq_elements = [version, field_id, curve, base, order] + if self.curve.cofactor(): + cofactor = der.encode_integer(self.curve.cofactor()) + seq_elements.append(cofactor) + + return der.encode_sequence(*seq_elements) + + def to_pem(self, encoding=None, point_encoding="uncompressed"): + """ + Serialise the curve parameters to the :term:`PEM` format. + + :param str encoding: the format to save the curve parameters in. + Default is ``named_curve``, with fallback being the ``explicit`` + if the OID is not set for the curve. + :param str point_encoding: the point encoding of the generator when + explicit curve encoding is used. Ignored for ``named_curve`` + format. + + :return: PEM encoded ECParameters structure + :rtype: str + """ + return der.topem( + self.to_der(encoding, point_encoding), "EC PARAMETERS" + ) + + @staticmethod + def from_der(data, valid_encodings=None): + """Decode the curve parameters from DER file. + + :param data: the binary string to decode the parameters from + :type data: :term:`bytes-like object` + :param valid_encodings: set of names of allowed encodings, by default + all (set by passing ``None``), supported ones are ``named_curve`` + and ``explicit`` + :type valid_encodings: :term:`set-like object` + """ + if not valid_encodings: + valid_encodings = set(("named_curve", "explicit")) + if not all(i in ["named_curve", "explicit"] for i in valid_encodings): + raise ValueError( + "Only named_curve and explicit encodings supported" + ) + data = normalise_bytes(data) + if not der.is_sequence(data): + if "named_curve" not in valid_encodings: + raise der.UnexpectedDER( + "named_curve curve parameters not allowed" + ) + oid, empty = der.remove_object(data) + if empty: + raise der.UnexpectedDER("Unexpected data after OID") + return find_curve(oid) + + if "explicit" not in valid_encodings: + raise der.UnexpectedDER("explicit curve parameters not allowed") + + seq, empty = der.remove_sequence(data) + if empty: + raise der.UnexpectedDER( + "Unexpected data after ECParameters structure" + ) + # decode the ECParameters sequence + version, rest = der.remove_integer(seq) + if version != 1: + raise der.UnexpectedDER("Unknown parameter encoding format") + field_id, rest = der.remove_sequence(rest) + curve, rest = der.remove_sequence(rest) + base_bytes, rest = der.remove_octet_string(rest) + order, rest = der.remove_integer(rest) + cofactor = None + if rest: + # the ASN.1 specification of ECParameters allows for future + # extensions of the sequence, so ignore the remaining bytes + cofactor, _ = der.remove_integer(rest) + + # decode the ECParameters.fieldID sequence + field_type, rest = der.remove_object(field_id) + if field_type == CHARACTERISTIC_TWO_FIELD_OID: + raise UnknownCurveError("Characteristic 2 curves unsupported") + if field_type != PRIME_FIELD_OID: + raise UnknownCurveError( + "Unknown field type: {0}".format(field_type) + ) + prime, empty = der.remove_integer(rest) + if empty: + raise der.UnexpectedDER( + "Unexpected data after ECParameters.fieldID.Prime-p element" + ) + + # decode the ECParameters.curve sequence + curve_a_bytes, rest = der.remove_octet_string(curve) + curve_b_bytes, rest = der.remove_octet_string(rest) + # seed can be defined here, but we don't parse it, so ignore `rest` + + curve_a = string_to_number(curve_a_bytes) + curve_b = string_to_number(curve_b_bytes) + + curve_fp = ellipticcurve.CurveFp(prime, curve_a, curve_b, cofactor) + + # decode the ECParameters.base point + + base = ellipticcurve.PointJacobi.from_bytes( + curve_fp, + base_bytes, + valid_encodings=("uncompressed", "compressed", "hybrid"), + order=order, + generator=True, + ) + tmp_curve = Curve("unknown", curve_fp, base, None) + + # if the curve matches one of the well-known ones, use the well-known + # one in preference, as it will have the OID and name associated + for i in curves: + if tmp_curve == i: + return i + return tmp_curve + + @classmethod + def from_pem(cls, string, valid_encodings=None): + """Decode the curve parameters from PEM file. + + :param str string: the text string to decode the parameters from + :param valid_encodings: set of names of allowed encodings, by default + all (set by passing ``None``), supported ones are ``named_curve`` + and ``explicit`` + :type valid_encodings: :term:`set-like object` + """ + if not PY2 and isinstance(string, str): # pragma: no branch + string = string.encode() + + ec_param_index = string.find(b"-----BEGIN EC PARAMETERS-----") + if ec_param_index == -1: + raise der.UnexpectedDER("EC PARAMETERS PEM header not found") + + return cls.from_der( + der.unpem(string[ec_param_index:]), valid_encodings + ) + + +# the SEC curves +SECP112r1 = Curve( + "SECP112r1", + ecdsa.curve_112r1, + ecdsa.generator_112r1, + (1, 3, 132, 0, 6), + "secp112r1", +) + + +SECP112r2 = Curve( + "SECP112r2", + ecdsa.curve_112r2, + ecdsa.generator_112r2, + (1, 3, 132, 0, 7), + "secp112r2", +) + + +SECP128r1 = Curve( + "SECP128r1", + ecdsa.curve_128r1, + ecdsa.generator_128r1, + (1, 3, 132, 0, 28), + "secp128r1", +) + + +SECP160r1 = Curve( + "SECP160r1", + ecdsa.curve_160r1, + ecdsa.generator_160r1, + (1, 3, 132, 0, 8), + "secp160r1", +) + + +# the NIST curves +NIST192p = Curve( + "NIST192p", + ecdsa.curve_192, + ecdsa.generator_192, + (1, 2, 840, 10045, 3, 1, 1), + "prime192v1", +) + + +NIST224p = Curve( + "NIST224p", + ecdsa.curve_224, + ecdsa.generator_224, + (1, 3, 132, 0, 33), + "secp224r1", +) + + +NIST256p = Curve( + "NIST256p", + ecdsa.curve_256, + ecdsa.generator_256, + (1, 2, 840, 10045, 3, 1, 7), + "prime256v1", +) + + +NIST384p = Curve( + "NIST384p", + ecdsa.curve_384, + ecdsa.generator_384, + (1, 3, 132, 0, 34), + "secp384r1", +) + + +NIST521p = Curve( + "NIST521p", + ecdsa.curve_521, + ecdsa.generator_521, + (1, 3, 132, 0, 35), + "secp521r1", +) + + +SECP256k1 = Curve( + "SECP256k1", + ecdsa.curve_secp256k1, + ecdsa.generator_secp256k1, + (1, 3, 132, 0, 10), + "secp256k1", +) + + +BRAINPOOLP160r1 = Curve( + "BRAINPOOLP160r1", + ecdsa.curve_brainpoolp160r1, + ecdsa.generator_brainpoolp160r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 1), + "brainpoolP160r1", +) + + +BRAINPOOLP192r1 = Curve( + "BRAINPOOLP192r1", + ecdsa.curve_brainpoolp192r1, + ecdsa.generator_brainpoolp192r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 3), + "brainpoolP192r1", +) + + +BRAINPOOLP224r1 = Curve( + "BRAINPOOLP224r1", + ecdsa.curve_brainpoolp224r1, + ecdsa.generator_brainpoolp224r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 5), + "brainpoolP224r1", +) + + +BRAINPOOLP256r1 = Curve( + "BRAINPOOLP256r1", + ecdsa.curve_brainpoolp256r1, + ecdsa.generator_brainpoolp256r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 7), + "brainpoolP256r1", +) + + +BRAINPOOLP320r1 = Curve( + "BRAINPOOLP320r1", + ecdsa.curve_brainpoolp320r1, + ecdsa.generator_brainpoolp320r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 9), + "brainpoolP320r1", +) + + +BRAINPOOLP384r1 = Curve( + "BRAINPOOLP384r1", + ecdsa.curve_brainpoolp384r1, + ecdsa.generator_brainpoolp384r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 11), + "brainpoolP384r1", +) + + +BRAINPOOLP512r1 = Curve( + "BRAINPOOLP512r1", + ecdsa.curve_brainpoolp512r1, + ecdsa.generator_brainpoolp512r1, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 13), + "brainpoolP512r1", +) + + +# no order in particular, but keep previously added curves first +curves = [ + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + SECP256k1, + BRAINPOOLP160r1, + BRAINPOOLP192r1, + BRAINPOOLP224r1, + BRAINPOOLP256r1, + BRAINPOOLP320r1, + BRAINPOOLP384r1, + BRAINPOOLP512r1, + SECP112r1, + SECP112r2, + SECP128r1, + SECP160r1, +] + + +def find_curve(oid_curve): + for c in curves: + if c.oid == oid_curve: + return c + raise UnknownCurveError( + "I don't know about the curve with oid %s." + "I only know about these: %s" % (oid_curve, [c.name for c in curves]) + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/der.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/der.py new file mode 100644 index 0000000..459f13c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/der.py @@ -0,0 +1,409 @@ +from __future__ import division + +import binascii +import base64 +import warnings +from itertools import chain +from six import int2byte, b, text_type +from ._compat import str_idx_as_int + + +class UnexpectedDER(Exception): + pass + + +def encode_constructed(tag, value): + return int2byte(0xA0 + tag) + encode_length(len(value)) + value + + +def encode_integer(r): + assert r >= 0 # can't support negative numbers yet + h = ("%x" % r).encode() + if len(h) % 2: + h = b("0") + h + s = binascii.unhexlify(h) + num = str_idx_as_int(s, 0) + if num <= 0x7F: + return b("\x02") + encode_length(len(s)) + s + else: + # DER integers are two's complement, so if the first byte is + # 0x80-0xff then we need an extra 0x00 byte to prevent it from + # looking negative. + return b("\x02") + encode_length(len(s) + 1) + b("\x00") + s + + +# sentry object to check if an argument was specified (used to detect +# deprecated calling convention) +_sentry = object() + + +def encode_bitstring(s, unused=_sentry): + """ + Encode a binary string as a BIT STRING using :term:`DER` encoding. + + Note, because there is no native Python object that can encode an actual + bit string, this function only accepts byte strings as the `s` argument. + The byte string is the actual bit string that will be encoded, padded + on the right (least significant bits, looking from big endian perspective) + to the first full byte. If the bit string has a bit length that is multiple + of 8, then the padding should not be included. For correct DER encoding + the padding bits MUST be set to 0. + + Number of bits of padding need to be provided as the `unused` parameter. + In case they are specified as None, it means the number of unused bits + is already encoded in the string as the first byte. + + The deprecated call convention specifies just the `s` parameters and + encodes the number of unused bits as first parameter (same convention + as with None). + + Empty string must be encoded with `unused` specified as 0. + + Future version of python-ecdsa will make specifying the `unused` argument + mandatory. + + :param s: bytes to encode + :type s: bytes like object + :param unused: number of bits at the end of `s` that are unused, must be + between 0 and 7 (inclusive) + :type unused: int or None + + :raises ValueError: when `unused` is too large or too small + + :return: `s` encoded using DER + :rtype: bytes + """ + encoded_unused = b"" + len_extra = 0 + if unused is _sentry: + warnings.warn( + "Legacy call convention used, unused= needs to be specified", + DeprecationWarning, + ) + elif unused is not None: + if not 0 <= unused <= 7: + raise ValueError("unused must be integer between 0 and 7") + if unused: + if not s: + raise ValueError("unused is non-zero but s is empty") + last = str_idx_as_int(s, -1) + if last & (2 ** unused - 1): + raise ValueError("unused bits must be zeros in DER") + encoded_unused = int2byte(unused) + len_extra = 1 + return b("\x03") + encode_length(len(s) + len_extra) + encoded_unused + s + + +def encode_octet_string(s): + return b("\x04") + encode_length(len(s)) + s + + +def encode_oid(first, second, *pieces): + assert 0 <= first < 2 and 0 <= second <= 39 or first == 2 and 0 <= second + body = b"".join( + chain( + [encode_number(40 * first + second)], + (encode_number(p) for p in pieces), + ) + ) + return b"\x06" + encode_length(len(body)) + body + + +def encode_sequence(*encoded_pieces): + total_len = sum([len(p) for p in encoded_pieces]) + return b("\x30") + encode_length(total_len) + b("").join(encoded_pieces) + + +def encode_number(n): + b128_digits = [] + while n: + b128_digits.insert(0, (n & 0x7F) | 0x80) + n = n >> 7 + if not b128_digits: + b128_digits.append(0) + b128_digits[-1] &= 0x7F + return b("").join([int2byte(d) for d in b128_digits]) + + +def is_sequence(string): + return string and string[:1] == b"\x30" + + +def remove_constructed(string): + s0 = str_idx_as_int(string, 0) + if (s0 & 0xE0) != 0xA0: + raise UnexpectedDER( + "wanted type 'constructed tag' (0xa0-0xbf), got 0x%02x" % s0 + ) + tag = s0 & 0x1F + length, llen = read_length(string[1:]) + body = string[1 + llen : 1 + llen + length] + rest = string[1 + llen + length :] + return tag, body, rest + + +def remove_sequence(string): + if not string: + raise UnexpectedDER("Empty string does not encode a sequence") + if string[:1] != b"\x30": + n = str_idx_as_int(string, 0) + raise UnexpectedDER("wanted type 'sequence' (0x30), got 0x%02x" % n) + length, lengthlength = read_length(string[1:]) + if length > len(string) - 1 - lengthlength: + raise UnexpectedDER("Length longer than the provided buffer") + endseq = 1 + lengthlength + length + return string[1 + lengthlength : endseq], string[endseq:] + + +def remove_octet_string(string): + if string[:1] != b"\x04": + n = str_idx_as_int(string, 0) + raise UnexpectedDER("wanted type 'octetstring' (0x04), got 0x%02x" % n) + length, llen = read_length(string[1:]) + body = string[1 + llen : 1 + llen + length] + rest = string[1 + llen + length :] + return body, rest + + +def remove_object(string): + if not string: + raise UnexpectedDER( + "Empty string does not encode an object identifier" + ) + if string[:1] != b"\x06": + n = str_idx_as_int(string, 0) + raise UnexpectedDER("wanted type 'object' (0x06), got 0x%02x" % n) + length, lengthlength = read_length(string[1:]) + body = string[1 + lengthlength : 1 + lengthlength + length] + rest = string[1 + lengthlength + length :] + if not body: + raise UnexpectedDER("Empty object identifier") + if len(body) != length: + raise UnexpectedDER( + "Length of object identifier longer than the provided buffer" + ) + numbers = [] + while body: + n, ll = read_number(body) + numbers.append(n) + body = body[ll:] + n0 = numbers.pop(0) + if n0 < 80: + first = n0 // 40 + else: + first = 2 + second = n0 - (40 * first) + numbers.insert(0, first) + numbers.insert(1, second) + return tuple(numbers), rest + + +def remove_integer(string): + if not string: + raise UnexpectedDER( + "Empty string is an invalid encoding of an integer" + ) + if string[:1] != b"\x02": + n = str_idx_as_int(string, 0) + raise UnexpectedDER("wanted type 'integer' (0x02), got 0x%02x" % n) + length, llen = read_length(string[1:]) + if length > len(string) - 1 - llen: + raise UnexpectedDER("Length longer than provided buffer") + if length == 0: + raise UnexpectedDER("0-byte long encoding of integer") + numberbytes = string[1 + llen : 1 + llen + length] + rest = string[1 + llen + length :] + msb = str_idx_as_int(numberbytes, 0) + if not msb < 0x80: + raise UnexpectedDER("Negative integers are not supported") + # check if the encoding is the minimal one (DER requirement) + if length > 1 and not msb: + # leading zero byte is allowed if the integer would have been + # considered a negative number otherwise + smsb = str_idx_as_int(numberbytes, 1) + if smsb < 0x80: + raise UnexpectedDER( + "Invalid encoding of integer, unnecessary " + "zero padding bytes" + ) + return int(binascii.hexlify(numberbytes), 16), rest + + +def read_number(string): + number = 0 + llen = 0 + if str_idx_as_int(string, 0) == 0x80: + raise UnexpectedDER("Non minimal encoding of OID subidentifier") + # base-128 big endian, with most significant bit set in all but the last + # byte + while True: + if llen >= len(string): + raise UnexpectedDER("ran out of length bytes") + number = number << 7 + d = str_idx_as_int(string, llen) + number += d & 0x7F + llen += 1 + if not d & 0x80: + break + return number, llen + + +def encode_length(l): + assert l >= 0 + if l < 0x80: + return int2byte(l) + s = ("%x" % l).encode() + if len(s) % 2: + s = b("0") + s + s = binascii.unhexlify(s) + llen = len(s) + return int2byte(0x80 | llen) + s + + +def read_length(string): + if not string: + raise UnexpectedDER("Empty string can't encode valid length value") + num = str_idx_as_int(string, 0) + if not (num & 0x80): + # short form + return (num & 0x7F), 1 + # else long-form: b0&0x7f is number of additional base256 length bytes, + # big-endian + llen = num & 0x7F + if not llen: + raise UnexpectedDER("Invalid length encoding, length of length is 0") + if llen > len(string) - 1: + raise UnexpectedDER("Length of length longer than provided buffer") + # verify that the encoding is minimal possible (DER requirement) + msb = str_idx_as_int(string, 1) + if not msb or llen == 1 and msb < 0x80: + raise UnexpectedDER("Not minimal encoding of length") + return int(binascii.hexlify(string[1 : 1 + llen]), 16), 1 + llen + + +def remove_bitstring(string, expect_unused=_sentry): + """ + Remove a BIT STRING object from `string` following :term:`DER`. + + The `expect_unused` can be used to specify if the bit string should + have the amount of unused bits decoded or not. If it's an integer, any + read BIT STRING that has number of unused bits different from specified + value will cause UnexpectedDER exception to be raised (this is especially + useful when decoding BIT STRINGS that have DER encoded object in them; + DER encoding is byte oriented, so the unused bits will always equal 0). + + If the `expect_unused` is specified as None, the first element returned + will be a tuple, with the first value being the extracted bit string + while the second value will be the decoded number of unused bits. + + If the `expect_unused` is unspecified, the decoding of byte with + number of unused bits will not be attempted and the bit string will be + returned as-is, the callee will be required to decode it and verify its + correctness. + + Future version of python will require the `expected_unused` parameter + to be specified. + + :param string: string of bytes to extract the BIT STRING from + :type string: bytes like object + :param expect_unused: number of bits that should be unused in the BIT + STRING, or None, to return it to caller + :type expect_unused: int or None + + :raises UnexpectedDER: when the encoding does not follow DER. + + :return: a tuple with first element being the extracted bit string and + the second being the remaining bytes in the string (if any); if the + `expect_unused` is specified as None, the first element of the returned + tuple will be a tuple itself, with first element being the bit string + as bytes and the second element being the number of unused bits at the + end of the byte array as an integer + :rtype: tuple + """ + if not string: + raise UnexpectedDER("Empty string does not encode a bitstring") + if expect_unused is _sentry: + warnings.warn( + "Legacy call convention used, expect_unused= needs to be" + " specified", + DeprecationWarning, + ) + num = str_idx_as_int(string, 0) + if string[:1] != b"\x03": + raise UnexpectedDER("wanted bitstring (0x03), got 0x%02x" % num) + length, llen = read_length(string[1:]) + if not length: + raise UnexpectedDER("Invalid length of bit string, can't be 0") + body = string[1 + llen : 1 + llen + length] + rest = string[1 + llen + length :] + if expect_unused is not _sentry: + unused = str_idx_as_int(body, 0) + if not 0 <= unused <= 7: + raise UnexpectedDER("Invalid encoding of unused bits") + if expect_unused is not None and expect_unused != unused: + raise UnexpectedDER("Unexpected number of unused bits") + body = body[1:] + if unused: + if not body: + raise UnexpectedDER("Invalid encoding of empty bit string") + last = str_idx_as_int(body, -1) + # verify that all the unused bits are set to zero (DER requirement) + if last & (2 ** unused - 1): + raise UnexpectedDER("Non zero padding bits in bit string") + if expect_unused is None: + body = (body, unused) + return body, rest + + +# SEQUENCE([1, STRING(secexp), cont[0], OBJECT(curvename), cont[1], BINTSTRING) + + +# signatures: (from RFC3279) +# ansi-X9-62 OBJECT IDENTIFIER ::= { +# iso(1) member-body(2) us(840) 10045 } +# +# id-ecSigType OBJECT IDENTIFIER ::= { +# ansi-X9-62 signatures(4) } +# ecdsa-with-SHA1 OBJECT IDENTIFIER ::= { +# id-ecSigType 1 } +# so 1,2,840,10045,4,1 +# so 0x42, .. .. + +# Ecdsa-Sig-Value ::= SEQUENCE { +# r INTEGER, +# s INTEGER } + +# id-public-key-type OBJECT IDENTIFIER ::= { ansi-X9.62 2 } +# +# id-ecPublicKey OBJECT IDENTIFIER ::= { id-publicKeyType 1 } + +# I think the secp224r1 identifier is (t=06,l=05,v=2b81040021) +# secp224r1 OBJECT IDENTIFIER ::= { +# iso(1) identified-organization(3) certicom(132) curve(0) 33 } +# and the secp384r1 is (t=06,l=05,v=2b81040022) +# secp384r1 OBJECT IDENTIFIER ::= { +# iso(1) identified-organization(3) certicom(132) curve(0) 34 } + + +def unpem(pem): + if isinstance(pem, text_type): # pragma: no branch + pem = pem.encode() + + d = b("").join( + [ + l.strip() + for l in pem.split(b("\n")) + if l and not l.startswith(b("-----")) + ] + ) + return base64.b64decode(d) + + +def topem(der, name): + b64 = base64.b64encode(der) + lines = [("-----BEGIN %s-----\n" % name).encode()] + lines.extend( + [b64[start : start + 64] + b("\n") for start in range(0, len(b64), 64)] + ) + lines.append(("-----END %s-----\n" % name).encode()) + return b("").join(lines) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdh.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdh.py new file mode 100644 index 0000000..824a09b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdh.py @@ -0,0 +1,336 @@ +""" +Class for performing Elliptic-curve Diffie-Hellman (ECDH) operations. +""" + +from .util import number_to_string +from .ellipticcurve import INFINITY +from .keys import SigningKey, VerifyingKey + + +__all__ = [ + "ECDH", + "NoKeyError", + "NoCurveError", + "InvalidCurveError", + "InvalidSharedSecretError", +] + + +class NoKeyError(Exception): + """ECDH. Key not found but it is needed for operation.""" + + pass + + +class NoCurveError(Exception): + """ECDH. Curve not set but it is needed for operation.""" + + pass + + +class InvalidCurveError(Exception): + """ + ECDH. Raised in case the public and private keys use different curves. + """ + + pass + + +class InvalidSharedSecretError(Exception): + """ECDH. Raised in case the shared secret we obtained is an INFINITY.""" + + pass + + +class ECDH(object): + """ + Elliptic-curve Diffie-Hellman (ECDH). A key agreement protocol. + + Allows two parties, each having an elliptic-curve public-private key + pair, to establish a shared secret over an insecure channel + """ + + def __init__(self, curve=None, private_key=None, public_key=None): + """ + ECDH init. + + Call can be initialised without parameters, then the first operation + (loading either key) will set the used curve. + All parameters must be ultimately set before shared secret + calculation will be allowed. + + :param curve: curve for operations + :type curve: Curve + :param private_key: `my` private key for ECDH + :type private_key: SigningKey + :param public_key: `their` public key for ECDH + :type public_key: VerifyingKey + """ + self.curve = curve + self.private_key = None + self.public_key = None + if private_key: + self.load_private_key(private_key) + if public_key: + self.load_received_public_key(public_key) + + def _get_shared_secret(self, remote_public_key): + if not self.private_key: + raise NoKeyError( + "Private key needs to be set to create shared secret" + ) + if not self.public_key: + raise NoKeyError( + "Public key needs to be set to create shared secret" + ) + if not ( + self.private_key.curve == self.curve == remote_public_key.curve + ): + raise InvalidCurveError( + "Curves for public key and private key is not equal." + ) + + # shared secret = PUBKEYtheirs * PRIVATEKEYours + result = ( + remote_public_key.pubkey.point + * self.private_key.privkey.secret_multiplier + ) + if result == INFINITY: + raise InvalidSharedSecretError("Invalid shared secret (INFINITY).") + + return result.x() + + def set_curve(self, key_curve): + """ + Set the working curve for ecdh operations. + + :param key_curve: curve from `curves` module + :type key_curve: Curve + """ + self.curve = key_curve + + def generate_private_key(self): + """ + Generate local private key for ecdh operation with curve that was set. + + :raises NoCurveError: Curve must be set before key generation. + + :return: public (verifying) key from this private key. + :rtype: VerifyingKey object + """ + if not self.curve: + raise NoCurveError("Curve must be set prior to key generation.") + return self.load_private_key(SigningKey.generate(curve=self.curve)) + + def load_private_key(self, private_key): + """ + Load private key from SigningKey (keys.py) object. + + Needs to have the same curve as was set with set_curve method. + If curve is not set - it sets from this SigningKey + + :param private_key: Initialised SigningKey class + :type private_key: SigningKey + + :raises InvalidCurveError: private_key curve not the same as self.curve + + :return: public (verifying) key from this private key. + :rtype: VerifyingKey object + """ + if not self.curve: + self.curve = private_key.curve + if self.curve != private_key.curve: + raise InvalidCurveError("Curve mismatch.") + self.private_key = private_key + return self.private_key.get_verifying_key() + + def load_private_key_bytes(self, private_key): + """ + Load private key from byte string. + + Uses current curve and checks if the provided key matches + the curve of ECDH key agreement. + Key loads via from_string method of SigningKey class + + :param private_key: private key in bytes string format + :type private_key: :term:`bytes-like object` + + :raises NoCurveError: Curve must be set before loading. + + :return: public (verifying) key from this private key. + :rtype: VerifyingKey object + """ + if not self.curve: + raise NoCurveError("Curve must be set prior to key load.") + return self.load_private_key( + SigningKey.from_string(private_key, curve=self.curve) + ) + + def load_private_key_der(self, private_key_der): + """ + Load private key from DER byte string. + + Compares the curve of the DER-encoded key with the ECDH set curve, + uses the former if unset. + + Note, the only DER format supported is the RFC5915 + Look at keys.py:SigningKey.from_der() + + :param private_key_der: string with the DER encoding of private ECDSA + key + :type private_key_der: string + + :raises InvalidCurveError: private_key curve not the same as self.curve + + :return: public (verifying) key from this private key. + :rtype: VerifyingKey object + """ + return self.load_private_key(SigningKey.from_der(private_key_der)) + + def load_private_key_pem(self, private_key_pem): + """ + Load private key from PEM string. + + Compares the curve of the DER-encoded key with the ECDH set curve, + uses the former if unset. + + Note, the only PEM format supported is the RFC5915 + Look at keys.py:SigningKey.from_pem() + it needs to have `EC PRIVATE KEY` section + + :param private_key_pem: string with PEM-encoded private ECDSA key + :type private_key_pem: string + + :raises InvalidCurveError: private_key curve not the same as self.curve + + :return: public (verifying) key from this private key. + :rtype: VerifyingKey object + """ + return self.load_private_key(SigningKey.from_pem(private_key_pem)) + + def get_public_key(self): + """ + Provides a public key that matches the local private key. + + Needs to be sent to the remote party. + + :return: public (verifying) key from local private key. + :rtype: VerifyingKey object + """ + return self.private_key.get_verifying_key() + + def load_received_public_key(self, public_key): + """ + Load public key from VerifyingKey (keys.py) object. + + Needs to have the same curve as set as current for ecdh operation. + If curve is not set - it sets it from VerifyingKey. + + :param public_key: Initialised VerifyingKey class + :type public_key: VerifyingKey + + :raises InvalidCurveError: public_key curve not the same as self.curve + """ + if not self.curve: + self.curve = public_key.curve + if self.curve != public_key.curve: + raise InvalidCurveError("Curve mismatch.") + self.public_key = public_key + + def load_received_public_key_bytes( + self, public_key_str, valid_encodings=None + ): + """ + Load public key from byte string. + + Uses current curve and checks if key length corresponds to + the current curve. + Key loads via from_string method of VerifyingKey class + + :param public_key_str: public key in bytes string format + :type public_key_str: :term:`bytes-like object` + :param valid_encodings: list of acceptable point encoding formats, + supported ones are: :term:`uncompressed`, :term:`compressed`, + :term:`hybrid`, and :term:`raw encoding` (specified with ``raw`` + name). All formats by default (specified with ``None``). + :type valid_encodings: :term:`set-like object` + """ + return self.load_received_public_key( + VerifyingKey.from_string( + public_key_str, self.curve, valid_encodings + ) + ) + + def load_received_public_key_der(self, public_key_der): + """ + Load public key from DER byte string. + + Compares the curve of the DER-encoded key with the ECDH set curve, + uses the former if unset. + + Note, the only DER format supported is the RFC5912 + Look at keys.py:VerifyingKey.from_der() + + :param public_key_der: string with the DER encoding of public ECDSA key + :type public_key_der: string + + :raises InvalidCurveError: public_key curve not the same as self.curve + """ + return self.load_received_public_key( + VerifyingKey.from_der(public_key_der) + ) + + def load_received_public_key_pem(self, public_key_pem): + """ + Load public key from PEM string. + + Compares the curve of the PEM-encoded key with the ECDH set curve, + uses the former if unset. + + Note, the only PEM format supported is the RFC5912 + Look at keys.py:VerifyingKey.from_pem() + + :param public_key_pem: string with PEM-encoded public ECDSA key + :type public_key_pem: string + + :raises InvalidCurveError: public_key curve not the same as self.curve + """ + return self.load_received_public_key( + VerifyingKey.from_pem(public_key_pem) + ) + + def generate_sharedsecret_bytes(self): + """ + Generate shared secret from local private key and remote public key. + + The objects needs to have both private key and received public key + before generation is allowed. + + :raises InvalidCurveError: public_key curve not the same as self.curve + :raises NoKeyError: public_key or private_key is not set + + :return: shared secret + :rtype: byte string + """ + return number_to_string( + self.generate_sharedsecret(), self.private_key.curve.curve.p() + ) + + def generate_sharedsecret(self): + """ + Generate shared secret from local private key and remote public key. + + The objects needs to have both private key and received public key + before generation is allowed. + + It's the same for local and remote party. + shared secret(local private key, remote public key ) == + shared secret (local public key, remote private key) + + :raises InvalidCurveError: public_key curve not the same as self.curve + :raises NoKeyError: public_key or private_key is not set + + :return: shared secret + :rtype: int + """ + return self._get_shared_secret(self.public_key) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdsa.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdsa.py new file mode 100644 index 0000000..1e24c8f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ecdsa.py @@ -0,0 +1,835 @@ +#! /usr/bin/env python + +""" +Implementation of Elliptic-Curve Digital Signatures. + +Classes and methods for elliptic-curve signatures: +private keys, public keys, signatures, +NIST prime-modulus curves with modulus lengths of +192, 224, 256, 384, and 521 bits. + +Example: + + # (In real-life applications, you would probably want to + # protect against defects in SystemRandom.) + from random import SystemRandom + randrange = SystemRandom().randrange + + # Generate a public/private key pair using the NIST Curve P-192: + + g = generator_192 + n = g.order() + secret = randrange( 1, n ) + pubkey = Public_key( g, g * secret ) + privkey = Private_key( pubkey, secret ) + + # Signing a hash value: + + hash = randrange( 1, n ) + signature = privkey.sign( hash, randrange( 1, n ) ) + + # Verifying a signature for a hash value: + + if pubkey.verifies( hash, signature ): + print_("Demo verification succeeded.") + else: + print_("*** Demo verification failed.") + + # Verification fails if the hash value is modified: + + if pubkey.verifies( hash-1, signature ): + print_("**** Demo verification failed to reject tampered hash.") + else: + print_("Demo verification correctly rejected tampered hash.") + +Version of 2009.05.16. + +Revision history: + 2005.12.31 - Initial version. + 2008.11.25 - Substantial revisions introducing new classes. + 2009.05.16 - Warn against using random.randrange in real applications. + 2009.05.17 - Use random.SystemRandom by default. + +Written in 2005 by Peter Pearson and placed in the public domain. +""" + +from six import int2byte, b +from . import ellipticcurve +from . import numbertheory +from .util import bit_length +from ._compat import remove_whitespace + + +class RSZeroError(RuntimeError): + pass + + +class InvalidPointError(RuntimeError): + pass + + +class Signature(object): + """ECDSA signature.""" + + def __init__(self, r, s): + self.r = r + self.s = s + + def recover_public_keys(self, hash, generator): + """Returns two public keys for which the signature is valid + hash is signed hash + generator is the used generator of the signature + """ + curve = generator.curve() + n = generator.order() + r = self.r + s = self.s + e = hash + x = r + + # Compute the curve point with x as x-coordinate + alpha = ( + pow(x, 3, curve.p()) + (curve.a() * x) + curve.b() + ) % curve.p() + beta = numbertheory.square_root_mod_prime(alpha, curve.p()) + y = beta if beta % 2 == 0 else curve.p() - beta + + # Compute the public key + R1 = ellipticcurve.PointJacobi(curve, x, y, 1, n) + Q1 = numbertheory.inverse_mod(r, n) * (s * R1 + (-e % n) * generator) + Pk1 = Public_key(generator, Q1) + + # And the second solution + R2 = ellipticcurve.PointJacobi(curve, x, -y, 1, n) + Q2 = numbertheory.inverse_mod(r, n) * (s * R2 + (-e % n) * generator) + Pk2 = Public_key(generator, Q2) + + return [Pk1, Pk2] + + +class Public_key(object): + """Public key for ECDSA.""" + + def __init__(self, generator, point, verify=True): + """Low level ECDSA public key object. + + :param generator: the Point that generates the group (the base point) + :param point: the Point that defines the public key + :param bool verify: if True check if point is valid point on curve + + :raises InvalidPointError: if the point parameters are invalid or + point does not lay on the curve + """ + + self.curve = generator.curve() + self.generator = generator + self.point = point + n = generator.order() + p = self.curve.p() + if not (0 <= point.x() < p) or not (0 <= point.y() < p): + raise InvalidPointError( + "The public point has x or y out of range." + ) + if verify and not self.curve.contains_point(point.x(), point.y()): + raise InvalidPointError("Point does not lay on the curve") + if not n: + raise InvalidPointError("Generator point must have order.") + # for curve parameters with base point with cofactor 1, all points + # that are on the curve are scalar multiples of the base point, so + # verifying that is not necessary. See Section 3.2.2.1 of SEC 1 v2 + if ( + verify + and self.curve.cofactor() != 1 + and not n * point == ellipticcurve.INFINITY + ): + raise InvalidPointError("Generator point order is bad.") + + def __eq__(self, other): + """Return True if the keys are identical, False otherwise. + + Note: for comparison, only placement on the same curve and point + equality is considered, use of the same generator point is not + considered. + """ + if isinstance(other, Public_key): + return self.curve == other.curve and self.point == other.point + return NotImplemented + + def __ne__(self, other): + """Return False if the keys are identical, True otherwise.""" + return not self == other + + def verifies(self, hash, signature): + """Verify that signature is a valid signature of hash. + Return True if the signature is valid. + """ + + # From X9.62 J.3.1. + + G = self.generator + n = G.order() + r = signature.r + s = signature.s + if r < 1 or r > n - 1: + return False + if s < 1 or s > n - 1: + return False + c = numbertheory.inverse_mod(s, n) + u1 = (hash * c) % n + u2 = (r * c) % n + if hasattr(G, "mul_add"): + xy = G.mul_add(u1, self.point, u2) + else: + xy = u1 * G + u2 * self.point + v = xy.x() % n + return v == r + + +class Private_key(object): + """Private key for ECDSA.""" + + def __init__(self, public_key, secret_multiplier): + """public_key is of class Public_key; + secret_multiplier is a large integer. + """ + + self.public_key = public_key + self.secret_multiplier = secret_multiplier + + def __eq__(self, other): + """Return True if the points are identical, False otherwise.""" + if isinstance(other, Private_key): + return ( + self.public_key == other.public_key + and self.secret_multiplier == other.secret_multiplier + ) + return NotImplemented + + def __ne__(self, other): + """Return False if the points are identical, True otherwise.""" + return not self == other + + def sign(self, hash, random_k): + """Return a signature for the provided hash, using the provided + random nonce. It is absolutely vital that random_k be an unpredictable + number in the range [1, self.public_key.point.order()-1]. If + an attacker can guess random_k, he can compute our private key from a + single signature. Also, if an attacker knows a few high-order + bits (or a few low-order bits) of random_k, he can compute our private + key from many signatures. The generation of nonces with adequate + cryptographic strength is very difficult and far beyond the scope + of this comment. + + May raise RuntimeError, in which case retrying with a new + random value k is in order. + """ + + G = self.public_key.generator + n = G.order() + k = random_k % n + # Fix the bit-length of the random nonce, + # so that it doesn't leak via timing. + # This does not change that ks = k mod n + ks = k + n + kt = ks + n + if bit_length(ks) == bit_length(n): + p1 = kt * G + else: + p1 = ks * G + r = p1.x() % n + if r == 0: + raise RSZeroError("amazingly unlucky random number r") + s = ( + numbertheory.inverse_mod(k, n) + * (hash + (self.secret_multiplier * r) % n) + ) % n + if s == 0: + raise RSZeroError("amazingly unlucky random number s") + return Signature(r, s) + + +def int_to_string(x): + """Convert integer x into a string of bytes, as per X9.62.""" + assert x >= 0 + if x == 0: + return b("\0") + result = [] + while x: + ordinal = x & 0xFF + result.append(int2byte(ordinal)) + x >>= 8 + + result.reverse() + return b("").join(result) + + +def string_to_int(s): + """Convert a string of bytes into an integer, as per X9.62.""" + result = 0 + for c in s: + if not isinstance(c, int): + c = ord(c) + result = 256 * result + c + return result + + +def digest_integer(m): + """Convert an integer into a string of bytes, compute + its SHA-1 hash, and convert the result to an integer.""" + # + # I don't expect this function to be used much. I wrote + # it in order to be able to duplicate the examples + # in ECDSAVS. + # + from hashlib import sha1 + + return string_to_int(sha1(int_to_string(m)).digest()) + + +def point_is_valid(generator, x, y): + """Is (x,y) a valid public key based on the specified generator?""" + + # These are the tests specified in X9.62. + + n = generator.order() + curve = generator.curve() + p = curve.p() + if not (0 <= x < p) or not (0 <= y < p): + return False + if not curve.contains_point(x, y): + return False + if ( + curve.cofactor() != 1 + and not n * ellipticcurve.PointJacobi(curve, x, y, 1) + == ellipticcurve.INFINITY + ): + return False + return True + + +# secp112r1 curve +_p = int(remove_whitespace("DB7C 2ABF62E3 5E668076 BEAD208B"), 16) +# s = 00F50B02 8E4D696E 67687561 51752904 72783FB1 +_a = int(remove_whitespace("DB7C 2ABF62E3 5E668076 BEAD2088"), 16) +_b = int(remove_whitespace("659E F8BA0439 16EEDE89 11702B22"), 16) +_Gx = int(remove_whitespace("09487239 995A5EE7 6B55F9C2 F098"), 16) +_Gy = int(remove_whitespace("A89C E5AF8724 C0A23E0E 0FF77500"), 16) +_r = int(remove_whitespace("DB7C 2ABF62E3 5E7628DF AC6561C5"), 16) +_h = 1 +curve_112r1 = ellipticcurve.CurveFp(_p, _a, _b, _h) +generator_112r1 = ellipticcurve.PointJacobi( + curve_112r1, _Gx, _Gy, 1, _r, generator=True +) + + +# secp112r2 curve +_p = int(remove_whitespace("DB7C 2ABF62E3 5E668076 BEAD208B"), 16) +# s = 022757A1 114D69E 67687561 51755316 C05E0BD4 +_a = int(remove_whitespace("6127 C24C05F3 8A0AAAF6 5C0EF02C"), 16) +_b = int(remove_whitespace("51DE F1815DB5 ED74FCC3 4C85D709"), 16) +_Gx = int(remove_whitespace("4BA30AB5 E892B4E1 649DD092 8643"), 16) +_Gy = int(remove_whitespace("ADCD 46F5882E 3747DEF3 6E956E97"), 16) +_r = int(remove_whitespace("36DF 0AAFD8B8 D7597CA1 0520D04B"), 16) +_h = 4 +curve_112r2 = ellipticcurve.CurveFp(_p, _a, _b, _h) +generator_112r2 = ellipticcurve.PointJacobi( + curve_112r2, _Gx, _Gy, 1, _r, generator=True +) + + +# secp128r1 curve +_p = int(remove_whitespace("FFFFFFFD FFFFFFFF FFFFFFFF FFFFFFFF"), 16) +# S = 000E0D4D 69E6768 75615175 0CC03A44 73D03679 +# a and b are mod p, so a is equal to p-3, or simply -3 +# _a = -3 +_b = int(remove_whitespace("E87579C1 1079F43D D824993C 2CEE5ED3"), 16) +_Gx = int(remove_whitespace("161FF752 8B899B2D 0C28607C A52C5B86"), 16) +_Gy = int(remove_whitespace("CF5AC839 5BAFEB13 C02DA292 DDED7A83"), 16) +_r = int(remove_whitespace("FFFFFFFE 00000000 75A30D1B 9038A115"), 16) +_h = 1 +curve_128r1 = ellipticcurve.CurveFp(_p, -3, _b, _h) +generator_128r1 = ellipticcurve.PointJacobi( + curve_128r1, _Gx, _Gy, 1, _r, generator=True +) + + +# secp160r1 +_p = int(remove_whitespace("FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF 7FFFFFFF"), 16) +# S = 1053CDE4 2C14D696 E6768756 1517533B F3F83345 +# a and b are mod p, so a is equal to p-3, or simply -3 +# _a = -3 +_b = int(remove_whitespace("1C97BEFC 54BD7A8B 65ACF89F 81D4D4AD C565FA45"), 16) +_Gx = int( + remove_whitespace("4A96B568 8EF57328 46646989 68C38BB9 13CBFC82"), 16, +) +_Gy = int( + remove_whitespace("23A62855 3168947D 59DCC912 04235137 7AC5FB32"), 16, +) +_r = int( + remove_whitespace("01 00000000 00000000 0001F4C8 F927AED3 CA752257"), 16, +) +_h = 1 +curve_160r1 = ellipticcurve.CurveFp(_p, -3, _b, _h) +generator_160r1 = ellipticcurve.PointJacobi( + curve_160r1, _Gx, _Gy, 1, _r, generator=True +) + + +# NIST Curve P-192: +_p = 6277101735386680763835789423207666416083908700390324961279 +_r = 6277101735386680763835789423176059013767194773182842284081 +# s = 0x3045ae6fc8422f64ed579528d38120eae12196d5L +# c = 0x3099d2bbbfcb2538542dcd5fb078b6ef5f3d6fe2c745de65L +_b = int( + remove_whitespace( + """ + 64210519 E59C80E7 0FA7E9AB 72243049 FEB8DEEC C146B9B1""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + 188DA80E B03090F6 7CBF20EB 43A18800 F4FF0AFD 82FF1012""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 07192B95 FFC8DA78 631011ED 6B24CDD5 73F977A1 1E794811""" + ), + 16, +) + +curve_192 = ellipticcurve.CurveFp(_p, -3, _b, 1) +generator_192 = ellipticcurve.PointJacobi( + curve_192, _Gx, _Gy, 1, _r, generator=True +) + + +# NIST Curve P-224: +_p = int( + remove_whitespace( + """ + 2695994666715063979466701508701963067355791626002630814351 + 0066298881""" + ) +) +_r = int( + remove_whitespace( + """ + 2695994666715063979466701508701962594045780771442439172168 + 2722368061""" + ) +) +# s = 0xbd71344799d5c7fcdc45b59fa3b9ab8f6a948bc5L +# c = 0x5b056c7e11dd68f40469ee7f3c7a7d74f7d121116506d031218291fbL +_b = int( + remove_whitespace( + """ + B4050A85 0C04B3AB F5413256 5044B0B7 D7BFD8BA 270B3943 + 2355FFB4""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + B70E0CBD 6BB4BF7F 321390B9 4A03C1D3 56C21122 343280D6 + 115C1D21""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + BD376388 B5F723FB 4C22DFE6 CD4375A0 5A074764 44D58199 + 85007E34""" + ), + 16, +) + +curve_224 = ellipticcurve.CurveFp(_p, -3, _b, 1) +generator_224 = ellipticcurve.PointJacobi( + curve_224, _Gx, _Gy, 1, _r, generator=True +) + +# NIST Curve P-256: +_p = int( + remove_whitespace( + """ + 1157920892103562487626974469494075735300861434152903141955 + 33631308867097853951""" + ) +) +_r = int( + remove_whitespace( + """ + 115792089210356248762697446949407573529996955224135760342 + 422259061068512044369""" + ) +) +# s = 0xc49d360886e704936a6678e1139d26b7819f7e90L +# c = 0x7efba1662985be9403cb055c75d4f7e0ce8d84a9c5114abcaf3177680104fa0dL +_b = int( + remove_whitespace( + """ + 5AC635D8 AA3A93E7 B3EBBD55 769886BC 651D06B0 CC53B0F6 + 3BCE3C3E 27D2604B""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + 6B17D1F2 E12C4247 F8BCE6E5 63A440F2 77037D81 2DEB33A0 + F4A13945 D898C296""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 4FE342E2 FE1A7F9B 8EE7EB4A 7C0F9E16 2BCE3357 6B315ECE + CBB64068 37BF51F5""" + ), + 16, +) + +curve_256 = ellipticcurve.CurveFp(_p, -3, _b, 1) +generator_256 = ellipticcurve.PointJacobi( + curve_256, _Gx, _Gy, 1, _r, generator=True +) + +# NIST Curve P-384: +_p = int( + remove_whitespace( + """ + 3940200619639447921227904010014361380507973927046544666794 + 8293404245721771496870329047266088258938001861606973112319""" + ) +) +_r = int( + remove_whitespace( + """ + 3940200619639447921227904010014361380507973927046544666794 + 6905279627659399113263569398956308152294913554433653942643""" + ) +) +# s = 0xa335926aa319a27a1d00896a6773a4827acdac73L +# c = int(remove_whitespace( +# """ +# 79d1e655 f868f02f ff48dcde e14151dd b80643c1 406d0ca1 +# 0dfe6fc5 2009540a 495e8042 ea5f744f 6e184667 cc722483""" +# ), 16) +_b = int( + remove_whitespace( + """ + B3312FA7 E23EE7E4 988E056B E3F82D19 181D9C6E FE814112 + 0314088F 5013875A C656398D 8A2ED19D 2A85C8ED D3EC2AEF""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + AA87CA22 BE8B0537 8EB1C71E F320AD74 6E1D3B62 8BA79B98 + 59F741E0 82542A38 5502F25D BF55296C 3A545E38 72760AB7""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 3617DE4A 96262C6F 5D9E98BF 9292DC29 F8F41DBD 289A147C + E9DA3113 B5F0B8C0 0A60B1CE 1D7E819D 7A431D7C 90EA0E5F""" + ), + 16, +) + +curve_384 = ellipticcurve.CurveFp(_p, -3, _b, 1) +generator_384 = ellipticcurve.PointJacobi( + curve_384, _Gx, _Gy, 1, _r, generator=True +) + +# NIST Curve P-521: +_p = int( + "686479766013060971498190079908139321726943530014330540939" + "446345918554318339765605212255964066145455497729631139148" + "0858037121987999716643812574028291115057151" +) +_r = int( + "686479766013060971498190079908139321726943530014330540939" + "446345918554318339765539424505774633321719753296399637136" + "3321113864768612440380340372808892707005449" +) +# s = 0xd09e8800291cb85396cc6717393284aaa0da64baL +# c = int(remove_whitespace( +# """ +# 0b4 8bfa5f42 0a349495 39d2bdfc 264eeeeb 077688e4 +# 4fbf0ad8 f6d0edb3 7bd6b533 28100051 8e19f1b9 ffbe0fe9 +# ed8a3c22 00b8f875 e523868c 70c1e5bf 55bad637""" +# ), 16) +_b = int( + remove_whitespace( + """ + 051 953EB961 8E1C9A1F 929A21A0 B68540EE A2DA725B + 99B315F3 B8B48991 8EF109E1 56193951 EC7E937B 1652C0BD + 3BB1BF07 3573DF88 3D2C34F1 EF451FD4 6B503F00""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + C6 858E06B7 0404E9CD 9E3ECB66 2395B442 9C648139 + 053FB521 F828AF60 6B4D3DBA A14B5E77 EFE75928 FE1DC127 + A2FFA8DE 3348B3C1 856A429B F97E7E31 C2E5BD66""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 118 39296A78 9A3BC004 5C8A5FB4 2C7D1BD9 98F54449 + 579B4468 17AFBD17 273E662C 97EE7299 5EF42640 C550B901 + 3FAD0761 353C7086 A272C240 88BE9476 9FD16650""" + ), + 16, +) + +curve_521 = ellipticcurve.CurveFp(_p, -3, _b, 1) +generator_521 = ellipticcurve.PointJacobi( + curve_521, _Gx, _Gy, 1, _r, generator=True +) + +# Certicom secp256-k1 +_a = 0x0000000000000000000000000000000000000000000000000000000000000000 +_b = 0x0000000000000000000000000000000000000000000000000000000000000007 +_p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F +_Gx = 0x79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798 +_Gy = 0x483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8 +_r = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 + +curve_secp256k1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_secp256k1 = ellipticcurve.PointJacobi( + curve_secp256k1, _Gx, _Gy, 1, _r, generator=True +) + +# Brainpool P-160-r1 +_a = 0x340E7BE2A280EB74E2BE61BADA745D97E8F7C300 +_b = 0x1E589A8595423412134FAA2DBDEC95C8D8675E58 +_p = 0xE95E4A5F737059DC60DFC7AD95B3D8139515620F +_Gx = 0xBED5AF16EA3F6A4F62938C4631EB5AF7BDBCDBC3 +_Gy = 0x1667CB477A1A8EC338F94741669C976316DA6321 +_q = 0xE95E4A5F737059DC60DF5991D45029409E60FC09 + +curve_brainpoolp160r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp160r1 = ellipticcurve.PointJacobi( + curve_brainpoolp160r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-192-r1 +_a = 0x6A91174076B1E0E19C39C031FE8685C1CAE040E5C69A28EF +_b = 0x469A28EF7C28CCA3DC721D044F4496BCCA7EF4146FBF25C9 +_p = 0xC302F41D932A36CDA7A3463093D18DB78FCE476DE1A86297 +_Gx = 0xC0A0647EAAB6A48753B033C56CB0F0900A2F5C4853375FD6 +_Gy = 0x14B690866ABD5BB88B5F4828C1490002E6773FA2FA299B8F +_q = 0xC302F41D932A36CDA7A3462F9E9E916B5BE8F1029AC4ACC1 + +curve_brainpoolp192r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp192r1 = ellipticcurve.PointJacobi( + curve_brainpoolp192r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-224-r1 +_a = 0x68A5E62CA9CE6C1C299803A6C1530B514E182AD8B0042A59CAD29F43 +_b = 0x2580F63CCFE44138870713B1A92369E33E2135D266DBB372386C400B +_p = 0xD7C134AA264366862A18302575D1D787B09F075797DA89F57EC8C0FF +_Gx = 0x0D9029AD2C7E5CF4340823B2A87DC68C9E4CE3174C1E6EFDEE12C07D +_Gy = 0x58AA56F772C0726F24C6B89E4ECDAC24354B9E99CAA3F6D3761402CD +_q = 0xD7C134AA264366862A18302575D0FB98D116BC4B6DDEBCA3A5A7939F + +curve_brainpoolp224r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp224r1 = ellipticcurve.PointJacobi( + curve_brainpoolp224r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-256-r1 +_a = 0x7D5A0975FC2C3057EEF67530417AFFE7FB8055C126DC5C6CE94A4B44F330B5D9 +_b = 0x26DC5C6CE94A4B44F330B5D9BBD77CBF958416295CF7E1CE6BCCDC18FF8C07B6 +_p = 0xA9FB57DBA1EEA9BC3E660A909D838D726E3BF623D52620282013481D1F6E5377 +_Gx = 0x8BD2AEB9CB7E57CB2C4B482FFC81B7AFB9DE27E1E3BD23C23A4453BD9ACE3262 +_Gy = 0x547EF835C3DAC4FD97F8461A14611DC9C27745132DED8E545C1D54C72F046997 +_q = 0xA9FB57DBA1EEA9BC3E660A909D838D718C397AA3B561A6F7901E0E82974856A7 + +curve_brainpoolp256r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp256r1 = ellipticcurve.PointJacobi( + curve_brainpoolp256r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-320-r1 +_a = int( + remove_whitespace( + """ + 3EE30B568FBAB0F883CCEBD46D3F3BB8A2A73513F5EB79DA66190EB085FFA9 + F492F375A97D860EB4""" + ), + 16, +) +_b = int( + remove_whitespace( + """ + 520883949DFDBC42D3AD198640688A6FE13F41349554B49ACC31DCCD884539 + 816F5EB4AC8FB1F1A6""" + ), + 16, +) +_p = int( + remove_whitespace( + """ + D35E472036BC4FB7E13C785ED201E065F98FCFA6F6F40DEF4F92B9EC7893EC + 28FCD412B1F1B32E27""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + 43BD7E9AFB53D8B85289BCC48EE5BFE6F20137D10A087EB6E7871E2A10A599 + C710AF8D0D39E20611""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 14FDD05545EC1CC8AB4093247F77275E0743FFED117182EAA9C77877AAAC6A + C7D35245D1692E8EE1""" + ), + 16, +) +_q = int( + remove_whitespace( + """ + D35E472036BC4FB7E13C785ED201E065F98FCFA5B68F12A32D482EC7EE8658 + E98691555B44C59311""" + ), + 16, +) + +curve_brainpoolp320r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp320r1 = ellipticcurve.PointJacobi( + curve_brainpoolp320r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-384-r1 +_a = int( + remove_whitespace( + """ + 7BC382C63D8C150C3C72080ACE05AFA0C2BEA28E4FB22787139165EFBA91F9 + 0F8AA5814A503AD4EB04A8C7DD22CE2826""" + ), + 16, +) +_b = int( + remove_whitespace( + """ + 04A8C7DD22CE28268B39B55416F0447C2FB77DE107DCD2A62E880EA53EEB62 + D57CB4390295DBC9943AB78696FA504C11""" + ), + 16, +) +_p = int( + remove_whitespace( + """ + 8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B412B1DA197FB711 + 23ACD3A729901D1A71874700133107EC53""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + 1D1C64F068CF45FFA2A63A81B7C13F6B8847A3E77EF14FE3DB7FCAFE0CBD10 + E8E826E03436D646AAEF87B2E247D4AF1E""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 8ABE1D7520F9C2A45CB1EB8E95CFD55262B70B29FEEC5864E19C054FF991292 + 80E4646217791811142820341263C5315""" + ), + 16, +) +_q = int( + remove_whitespace( + """ + 8CB91E82A3386D280F5D6F7E50E641DF152F7109ED5456B31F166E6CAC0425 + A7CF3AB6AF6B7FC3103B883202E9046565""" + ), + 16, +) + +curve_brainpoolp384r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp384r1 = ellipticcurve.PointJacobi( + curve_brainpoolp384r1, _Gx, _Gy, 1, _q, generator=True +) + +# Brainpool P-512-r1 +_a = int( + remove_whitespace( + """ + 7830A3318B603B89E2327145AC234CC594CBDD8D3DF91610A83441CAEA9863 + BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117A72BF2C7B9E7C1AC4D77FC94CA""" + ), + 16, +) +_b = int( + remove_whitespace( + """ + 3DF91610A83441CAEA9863BC2DED5D5AA8253AA10A2EF1C98B9AC8B57F1117 + A72BF2C7B9E7C1AC4D77FC94CADC083E67984050B75EBAE5DD2809BD638016F723""" + ), + 16, +) +_p = int( + remove_whitespace( + """ + AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308 + 717D4D9B009BC66842AECDA12AE6A380E62881FF2F2D82C68528AA6056583A48F3""" + ), + 16, +) +_Gx = int( + remove_whitespace( + """ + 81AEE4BDD82ED9645A21322E9C4C6A9385ED9F70B5D916C1B43B62EEF4D009 + 8EFF3B1F78E2D0D48D50D1687B93B97D5F7C6D5047406A5E688B352209BCB9F822""" + ), + 16, +) +_Gy = int( + remove_whitespace( + """ + 7DDE385D566332ECC0EABFA9CF7822FDF209F70024A57B1AA000C55B881F81 + 11B2DCDE494A5F485E5BCA4BD88A2763AED1CA2B2FA8F0540678CD1E0F3AD80892""" + ), + 16, +) +_q = int( + remove_whitespace( + """ + AADD9DB8DBE9C48B3FD4E6AE33C9FC07CB308DB3B3C9D20ED6639CCA703308 + 70553E5C414CA92619418661197FAC10471DB1D381085DDADDB58796829CA90069""" + ), + 16, +) + +curve_brainpoolp512r1 = ellipticcurve.CurveFp(_p, _a, _b, 1) +generator_brainpoolp512r1 = ellipticcurve.PointJacobi( + curve_brainpoolp512r1, _Gx, _Gy, 1, _q, generator=True +) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/ellipticcurve.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ellipticcurve.py new file mode 100644 index 0000000..6d0bc30 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/ellipticcurve.py @@ -0,0 +1,1128 @@ +#! /usr/bin/env python +# -*- coding: utf-8 -*- +# +# Implementation of elliptic curves, for cryptographic applications. +# +# This module doesn't provide any way to choose a random elliptic +# curve, nor to verify that an elliptic curve was chosen randomly, +# because one can simply use NIST's standard curves. +# +# Notes from X9.62-1998 (draft): +# Nomenclature: +# - Q is a public key. +# The "Elliptic Curve Domain Parameters" include: +# - q is the "field size", which in our case equals p. +# - p is a big prime. +# - G is a point of prime order (5.1.1.1). +# - n is the order of G (5.1.1.1). +# Public-key validation (5.2.2): +# - Verify that Q is not the point at infinity. +# - Verify that X_Q and Y_Q are in [0,p-1]. +# - Verify that Q is on the curve. +# - Verify that nQ is the point at infinity. +# Signature generation (5.3): +# - Pick random k from [1,n-1]. +# Signature checking (5.4.2): +# - Verify that r and s are in [1,n-1]. +# +# Revision history: +# 2005.12.31 - Initial version. +# 2008.11.25 - Change CurveFp.is_on to contains_point. +# +# Written in 2005 by Peter Pearson and placed in the public domain. +# Modified extensively as part of python-ecdsa. + +from __future__ import division + +try: + from gmpy2 import mpz + + GMPY = True +except ImportError: # pragma: no branch + try: + from gmpy import mpz + + GMPY = True + except ImportError: + GMPY = False + + +from six import python_2_unicode_compatible +from . import numbertheory +from ._compat import normalise_bytes +from .errors import MalformedPointError +from .util import orderlen, string_to_number, number_to_string + + +@python_2_unicode_compatible +class CurveFp(object): + """Elliptic Curve over the field of integers modulo a prime.""" + + if GMPY: # pragma: no branch + + def __init__(self, p, a, b, h=None): + """ + The curve of points satisfying y^2 = x^3 + a*x + b (mod p). + + h is an integer that is the cofactor of the elliptic curve domain + parameters; it is the number of points satisfying the elliptic + curve equation divided by the order of the base point. It is used + for selection of efficient algorithm for public point verification. + """ + self.__p = mpz(p) + self.__a = mpz(a) + self.__b = mpz(b) + # h is not used in calculations and it can be None, so don't use + # gmpy with it + self.__h = h + + else: # pragma: no branch + + def __init__(self, p, a, b, h=None): + """ + The curve of points satisfying y^2 = x^3 + a*x + b (mod p). + + h is an integer that is the cofactor of the elliptic curve domain + parameters; it is the number of points satisfying the elliptic + curve equation divided by the order of the base point. It is used + for selection of efficient algorithm for public point verification. + """ + self.__p = p + self.__a = a + self.__b = b + self.__h = h + + def __eq__(self, other): + """Return True if other is an identical curve, False otherwise. + + Note: the value of the cofactor of the curve is not taken into account + when comparing curves, as it's derived from the base point and + intrinsic curve characteristic (but it's complex to compute), + only the prime and curve parameters are considered. + """ + if isinstance(other, CurveFp): + p = self.__p + return ( + self.__p == other.__p + and self.__a % p == other.__a % p + and self.__b % p == other.__b % p + ) + return NotImplemented + + def __ne__(self, other): + """Return False if other is an identical curve, True otherwise.""" + return not self == other + + def __hash__(self): + return hash((self.__p, self.__a, self.__b)) + + def p(self): + return self.__p + + def a(self): + return self.__a + + def b(self): + return self.__b + + def cofactor(self): + return self.__h + + def contains_point(self, x, y): + """Is the point (x,y) on this curve?""" + return (y * y - ((x * x + self.__a) * x + self.__b)) % self.__p == 0 + + def __str__(self): + return "CurveFp(p=%d, a=%d, b=%d, h=%d)" % ( + self.__p, + self.__a, + self.__b, + self.__h, + ) + + +class AbstractPoint(object): + """Class for common methods of elliptic curve points.""" + + @staticmethod + def _from_raw_encoding(data, raw_encoding_length): + """ + Decode public point from :term:`raw encoding`. + + :term:`raw encoding` is the same as the :term:`uncompressed` encoding, + but without the 0x04 byte at the beginning. + """ + # real assert, from_bytes() should not call us with different length + assert len(data) == raw_encoding_length + xs = data[: raw_encoding_length // 2] + ys = data[raw_encoding_length // 2 :] + # real assert, raw_encoding_length is calculated by multiplying an + # integer by two so it will always be even + assert len(xs) == raw_encoding_length // 2 + assert len(ys) == raw_encoding_length // 2 + coord_x = string_to_number(xs) + coord_y = string_to_number(ys) + + return coord_x, coord_y + + @staticmethod + def _from_compressed(data, curve): + """Decode public point from compressed encoding.""" + if data[:1] not in (b"\x02", b"\x03"): + raise MalformedPointError("Malformed compressed point encoding") + + is_even = data[:1] == b"\x02" + x = string_to_number(data[1:]) + p = curve.p() + alpha = (pow(x, 3, p) + (curve.a() * x) + curve.b()) % p + try: + beta = numbertheory.square_root_mod_prime(alpha, p) + except numbertheory.SquareRootError as e: + raise MalformedPointError( + "Encoding does not correspond to a point on curve", e + ) + if is_even == bool(beta & 1): + y = p - beta + else: + y = beta + return x, y + + @classmethod + def _from_hybrid(cls, data, raw_encoding_length, validate_encoding): + """Decode public point from hybrid encoding.""" + # real assert, from_bytes() should not call us with different types + assert data[:1] in (b"\x06", b"\x07") + + # primarily use the uncompressed as it's easiest to handle + x, y = cls._from_raw_encoding(data[1:], raw_encoding_length) + + # but validate if it's self-consistent if we're asked to do that + if validate_encoding and ( + y & 1 + and data[:1] != b"\x07" + or (not y & 1) + and data[:1] != b"\x06" + ): + raise MalformedPointError("Inconsistent hybrid point encoding") + + return x, y + + @classmethod + def from_bytes( + cls, curve, data, validate_encoding=True, valid_encodings=None + ): + """ + Initialise the object from byte encoding of a point. + + The method does accept and automatically detect the type of point + encoding used. It supports the :term:`raw encoding`, + :term:`uncompressed`, :term:`compressed`, and :term:`hybrid` encodings. + + Note: generally you will want to call the ``from_bytes()`` method of + either a child class, PointJacobi or Point. + + :param data: single point encoding of the public key + :type data: :term:`bytes-like object` + :param curve: the curve on which the public key is expected to lay + :type curve: ecdsa.ellipticcurve.CurveFp + :param validate_encoding: whether to verify that the encoding of the + point is self-consistent, defaults to True, has effect only + on ``hybrid`` encoding + :type validate_encoding: bool + :param valid_encodings: list of acceptable point encoding formats, + supported ones are: :term:`uncompressed`, :term:`compressed`, + :term:`hybrid`, and :term:`raw encoding` (specified with ``raw`` + name). All formats by default (specified with ``None``). + :type valid_encodings: :term:`set-like object` + + :raises MalformedPointError: if the public point does not lay on the + curve or the encoding is invalid + + :return: x and y coordinates of the encoded point + :rtype: tuple(int, int) + """ + if not valid_encodings: + valid_encodings = set( + ["uncompressed", "compressed", "hybrid", "raw"] + ) + if not all( + i in set(("uncompressed", "compressed", "hybrid", "raw")) + for i in valid_encodings + ): + raise ValueError( + "Only uncompressed, compressed, hybrid or raw encoding " + "supported." + ) + data = normalise_bytes(data) + key_len = len(data) + raw_encoding_length = 2 * orderlen(curve.p()) + if key_len == raw_encoding_length and "raw" in valid_encodings: + coord_x, coord_y = cls._from_raw_encoding( + data, raw_encoding_length + ) + elif key_len == raw_encoding_length + 1 and ( + "hybrid" in valid_encodings or "uncompressed" in valid_encodings + ): + if data[:1] in (b"\x06", b"\x07") and "hybrid" in valid_encodings: + coord_x, coord_y = cls._from_hybrid( + data, raw_encoding_length, validate_encoding + ) + elif data[:1] == b"\x04" and "uncompressed" in valid_encodings: + coord_x, coord_y = cls._from_raw_encoding( + data[1:], raw_encoding_length + ) + else: + raise MalformedPointError( + "Invalid X9.62 encoding of the public point" + ) + elif ( + key_len == raw_encoding_length // 2 + 1 + and "compressed" in valid_encodings + ): + coord_x, coord_y = cls._from_compressed(data, curve) + else: + raise MalformedPointError( + "Length of string does not match lengths of " + "any of the enabled ({0}) encodings of the " + "curve.".format(", ".join(valid_encodings)) + ) + return coord_x, coord_y + + def _raw_encode(self): + """Convert the point to the :term:`raw encoding`.""" + prime = self.curve().p() + x_str = number_to_string(self.x(), prime) + y_str = number_to_string(self.y(), prime) + return x_str + y_str + + def _compressed_encode(self): + """Encode the point into the compressed form.""" + prime = self.curve().p() + x_str = number_to_string(self.x(), prime) + if self.y() & 1: + return b"\x03" + x_str + return b"\x02" + x_str + + def _hybrid_encode(self): + """Encode the point into the hybrid form.""" + raw_enc = self._raw_encode() + if self.y() & 1: + return b"\x07" + raw_enc + return b"\x06" + raw_enc + + def to_bytes(self, encoding="raw"): + """ + Convert the point to a byte string. + + The method by default uses the :term:`raw encoding` (specified + by `encoding="raw"`. It can also output points in :term:`uncompressed`, + :term:`compressed`, and :term:`hybrid` formats. + + :return: :term:`raw encoding` of a public on the curve + :rtype: bytes + """ + assert encoding in ("raw", "uncompressed", "compressed", "hybrid") + if encoding == "raw": + return self._raw_encode() + elif encoding == "uncompressed": + return b"\x04" + self._raw_encode() + elif encoding == "hybrid": + return self._hybrid_encode() + else: + return self._compressed_encode() + + +class PointJacobi(AbstractPoint): + """ + Point on an elliptic curve. Uses Jacobi coordinates. + + In Jacobian coordinates, there are three parameters, X, Y and Z. + They correspond to affine parameters 'x' and 'y' like so: + + x = X / Z² + y = Y / Z³ + """ + + def __init__(self, curve, x, y, z, order=None, generator=False): + """ + Initialise a point that uses Jacobi representation internally. + + :param CurveFp curve: curve on which the point resides + :param int x: the X parameter of Jacobi representation (equal to x when + converting from affine coordinates + :param int y: the Y parameter of Jacobi representation (equal to y when + converting from affine coordinates + :param int z: the Z parameter of Jacobi representation (equal to 1 when + converting from affine coordinates + :param int order: the point order, must be non zero when using + generator=True + :param bool generator: the point provided is a curve generator, as + such, it will be commonly used with scalar multiplication. This will + cause to precompute multiplication table generation for it + """ + super(PointJacobi, self).__init__() + self.__curve = curve + if GMPY: # pragma: no branch + self.__coords = (mpz(x), mpz(y), mpz(z)) + self.__order = order and mpz(order) + else: # pragma: no branch + self.__coords = (x, y, z) + self.__order = order + self.__generator = generator + self.__precompute = [] + + @classmethod + def from_bytes( + cls, + curve, + data, + validate_encoding=True, + valid_encodings=None, + order=None, + generator=False, + ): + """ + Initialise the object from byte encoding of a point. + + The method does accept and automatically detect the type of point + encoding used. It supports the :term:`raw encoding`, + :term:`uncompressed`, :term:`compressed`, and :term:`hybrid` encodings. + + :param data: single point encoding of the public key + :type data: :term:`bytes-like object` + :param curve: the curve on which the public key is expected to lay + :type curve: ecdsa.ellipticcurve.CurveFp + :param validate_encoding: whether to verify that the encoding of the + point is self-consistent, defaults to True, has effect only + on ``hybrid`` encoding + :type validate_encoding: bool + :param valid_encodings: list of acceptable point encoding formats, + supported ones are: :term:`uncompressed`, :term:`compressed`, + :term:`hybrid`, and :term:`raw encoding` (specified with ``raw`` + name). All formats by default (specified with ``None``). + :type valid_encodings: :term:`set-like object` + :param int order: the point order, must be non zero when using + generator=True + :param bool generator: the point provided is a curve generator, as + such, it will be commonly used with scalar multiplication. This + will cause to precompute multiplication table generation for it + + :raises MalformedPointError: if the public point does not lay on the + curve or the encoding is invalid + + :return: Point on curve + :rtype: PointJacobi + """ + coord_x, coord_y = super(PointJacobi, cls).from_bytes( + curve, data, validate_encoding, valid_encodings + ) + return PointJacobi(curve, coord_x, coord_y, 1, order, generator) + + def _maybe_precompute(self): + if not self.__generator or self.__precompute: + return + + # since this code will execute just once, and it's fully deterministic, + # depend on atomicity of the last assignment to switch from empty + # self.__precompute to filled one and just ignore the unlikely + # situation when two threads execute it at the same time (as it won't + # lead to inconsistent __precompute) + order = self.__order + assert order + precompute = [] + i = 1 + order *= 2 + coord_x, coord_y, coord_z = self.__coords + doubler = PointJacobi(self.__curve, coord_x, coord_y, coord_z, order) + order *= 2 + precompute.append((doubler.x(), doubler.y())) + + while i < order: + i *= 2 + doubler = doubler.double().scale() + precompute.append((doubler.x(), doubler.y())) + + self.__precompute = precompute + + def __getstate__(self): + # while this code can execute at the same time as _maybe_precompute() + # is updating the __precompute or scale() is updating the __coords, + # there is no requirement for consistency between __coords and + # __precompute + state = self.__dict__.copy() + return state + + def __setstate__(self, state): + self.__dict__.update(state) + + def __eq__(self, other): + """Compare for equality two points with each-other. + + Note: only points that lay on the same curve can be equal. + """ + x1, y1, z1 = self.__coords + if other is INFINITY: + return not y1 or not z1 + if isinstance(other, Point): + x2, y2, z2 = other.x(), other.y(), 1 + elif isinstance(other, PointJacobi): + x2, y2, z2 = other.__coords + else: + return NotImplemented + if self.__curve != other.curve(): + return False + p = self.__curve.p() + + zz1 = z1 * z1 % p + zz2 = z2 * z2 % p + + # compare the fractions by bringing them to the same denominator + # depend on short-circuit to save 4 multiplications in case of + # inequality + return (x1 * zz2 - x2 * zz1) % p == 0 and ( + y1 * zz2 * z2 - y2 * zz1 * z1 + ) % p == 0 + + def __ne__(self, other): + """Compare for inequality two points with each-other.""" + return not self == other + + def order(self): + """Return the order of the point. + + None if it is undefined. + """ + return self.__order + + def curve(self): + """Return curve over which the point is defined.""" + return self.__curve + + def x(self): + """ + Return affine x coordinate. + + This method should be used only when the 'y' coordinate is not needed. + It's computationally more efficient to use `to_affine()` and then + call x() and y() on the returned instance. Or call `scale()` + and then x() and y() on the returned instance. + """ + x, _, z = self.__coords + if z == 1: + return x + p = self.__curve.p() + z = numbertheory.inverse_mod(z, p) + return x * z ** 2 % p + + def y(self): + """ + Return affine y coordinate. + + This method should be used only when the 'x' coordinate is not needed. + It's computationally more efficient to use `to_affine()` and then + call x() and y() on the returned instance. Or call `scale()` + and then x() and y() on the returned instance. + """ + _, y, z = self.__coords + if z == 1: + return y + p = self.__curve.p() + z = numbertheory.inverse_mod(z, p) + return y * z ** 3 % p + + def scale(self): + """ + Return point scaled so that z == 1. + + Modifies point in place, returns self. + """ + x, y, z = self.__coords + if z == 1: + return self + + # scaling is deterministic, so even if two threads execute the below + # code at the same time, they will set __coords to the same value + p = self.__curve.p() + z_inv = numbertheory.inverse_mod(z, p) + zz_inv = z_inv * z_inv % p + x = x * zz_inv % p + y = y * zz_inv * z_inv % p + self.__coords = (x, y, 1) + return self + + def to_affine(self): + """Return point in affine form.""" + _, y, z = self.__coords + if not y or not z: + return INFINITY + self.scale() + x, y, z = self.__coords + return Point(self.__curve, x, y, self.__order) + + @staticmethod + def from_affine(point, generator=False): + """Create from an affine point. + + :param bool generator: set to True to make the point to precalculate + multiplication table - useful for public point when verifying many + signatures (around 100 or so) or for generator points of a curve. + """ + return PointJacobi( + point.curve(), point.x(), point.y(), 1, point.order(), generator + ) + + # please note that all the methods that use the equations from + # hyperelliptic + # are formatted in a way to maximise performance. + # Things that make code faster: multiplying instead of taking to the power + # (`xx = x * x; xxxx = xx * xx % p` is faster than `xxxx = x**4 % p` and + # `pow(x, 4, p)`), + # multiple assignments at the same time (`x1, x2 = self.x1, self.x2` is + # faster than `x1 = self.x1; x2 = self.x2`), + # similarly, sometimes the `% p` is skipped if it makes the calculation + # faster and the result of calculation is later reduced modulo `p` + + def _double_with_z_1(self, X1, Y1, p, a): + """Add a point to itself with z == 1.""" + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#doubling-mdbl-2007-bl + XX, YY = X1 * X1 % p, Y1 * Y1 % p + if not YY: + return 0, 0, 1 + YYYY = YY * YY % p + S = 2 * ((X1 + YY) ** 2 - XX - YYYY) % p + M = 3 * XX + a + T = (M * M - 2 * S) % p + # X3 = T + Y3 = (M * (S - T) - 8 * YYYY) % p + Z3 = 2 * Y1 % p + return T, Y3, Z3 + + def _double(self, X1, Y1, Z1, p, a): + """Add a point to itself, arbitrary z.""" + if Z1 == 1: + return self._double_with_z_1(X1, Y1, p, a) + if not Y1 or not Z1: + return 0, 0, 1 + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#doubling-dbl-2007-bl + XX, YY = X1 * X1 % p, Y1 * Y1 % p + if not YY: + return 0, 0, 1 + YYYY = YY * YY % p + ZZ = Z1 * Z1 % p + S = 2 * ((X1 + YY) ** 2 - XX - YYYY) % p + M = (3 * XX + a * ZZ * ZZ) % p + T = (M * M - 2 * S) % p + # X3 = T + Y3 = (M * (S - T) - 8 * YYYY) % p + Z3 = ((Y1 + Z1) ** 2 - YY - ZZ) % p + + return T, Y3, Z3 + + def double(self): + """Add a point to itself.""" + X1, Y1, Z1 = self.__coords + + if not Y1: + return INFINITY + + p, a = self.__curve.p(), self.__curve.a() + + X3, Y3, Z3 = self._double(X1, Y1, Z1, p, a) + + if not Y3 or not Z3: + return INFINITY + return PointJacobi(self.__curve, X3, Y3, Z3, self.__order) + + def _add_with_z_1(self, X1, Y1, X2, Y2, p): + """add points when both Z1 and Z2 equal 1""" + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#addition-mmadd-2007-bl + H = X2 - X1 + HH = H * H + I = 4 * HH % p + J = H * I + r = 2 * (Y2 - Y1) + if not H and not r: + return self._double_with_z_1(X1, Y1, p, self.__curve.a()) + V = X1 * I + X3 = (r ** 2 - J - 2 * V) % p + Y3 = (r * (V - X3) - 2 * Y1 * J) % p + Z3 = 2 * H % p + return X3, Y3, Z3 + + def _add_with_z_eq(self, X1, Y1, Z1, X2, Y2, p): + """add points when Z1 == Z2""" + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#addition-zadd-2007-m + A = (X2 - X1) ** 2 % p + B = X1 * A % p + C = X2 * A + D = (Y2 - Y1) ** 2 % p + if not A and not D: + return self._double(X1, Y1, Z1, p, self.__curve.a()) + X3 = (D - B - C) % p + Y3 = ((Y2 - Y1) * (B - X3) - Y1 * (C - B)) % p + Z3 = Z1 * (X2 - X1) % p + return X3, Y3, Z3 + + def _add_with_z2_1(self, X1, Y1, Z1, X2, Y2, p): + """add points when Z2 == 1""" + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#addition-madd-2007-bl + Z1Z1 = Z1 * Z1 % p + U2, S2 = X2 * Z1Z1 % p, Y2 * Z1 * Z1Z1 % p + H = (U2 - X1) % p + HH = H * H % p + I = 4 * HH % p + J = H * I + r = 2 * (S2 - Y1) % p + if not r and not H: + return self._double_with_z_1(X2, Y2, p, self.__curve.a()) + V = X1 * I + X3 = (r * r - J - 2 * V) % p + Y3 = (r * (V - X3) - 2 * Y1 * J) % p + Z3 = ((Z1 + H) ** 2 - Z1Z1 - HH) % p + return X3, Y3, Z3 + + def _add_with_z_ne(self, X1, Y1, Z1, X2, Y2, Z2, p): + """add points with arbitrary z""" + # after: + # http://hyperelliptic.org/EFD/g1p/auto-shortw-jacobian.html#addition-add-2007-bl + Z1Z1 = Z1 * Z1 % p + Z2Z2 = Z2 * Z2 % p + U1 = X1 * Z2Z2 % p + U2 = X2 * Z1Z1 % p + S1 = Y1 * Z2 * Z2Z2 % p + S2 = Y2 * Z1 * Z1Z1 % p + H = U2 - U1 + I = 4 * H * H % p + J = H * I % p + r = 2 * (S2 - S1) % p + if not H and not r: + return self._double(X1, Y1, Z1, p, self.__curve.a()) + V = U1 * I + X3 = (r * r - J - 2 * V) % p + Y3 = (r * (V - X3) - 2 * S1 * J) % p + Z3 = ((Z1 + Z2) ** 2 - Z1Z1 - Z2Z2) * H % p + + return X3, Y3, Z3 + + def __radd__(self, other): + """Add other to self.""" + return self + other + + def _add(self, X1, Y1, Z1, X2, Y2, Z2, p): + """add two points, select fastest method.""" + if not Y1 or not Z1: + return X2, Y2, Z2 + if not Y2 or not Z2: + return X1, Y1, Z1 + if Z1 == Z2: + if Z1 == 1: + return self._add_with_z_1(X1, Y1, X2, Y2, p) + return self._add_with_z_eq(X1, Y1, Z1, X2, Y2, p) + if Z1 == 1: + return self._add_with_z2_1(X2, Y2, Z2, X1, Y1, p) + if Z2 == 1: + return self._add_with_z2_1(X1, Y1, Z1, X2, Y2, p) + return self._add_with_z_ne(X1, Y1, Z1, X2, Y2, Z2, p) + + def __add__(self, other): + """Add two points on elliptic curve.""" + if self == INFINITY: + return other + if other == INFINITY: + return self + if isinstance(other, Point): + other = PointJacobi.from_affine(other) + if self.__curve != other.__curve: + raise ValueError("The other point is on different curve") + + p = self.__curve.p() + X1, Y1, Z1 = self.__coords + X2, Y2, Z2 = other.__coords + + X3, Y3, Z3 = self._add(X1, Y1, Z1, X2, Y2, Z2, p) + + if not Y3 or not Z3: + return INFINITY + return PointJacobi(self.__curve, X3, Y3, Z3, self.__order) + + def __rmul__(self, other): + """Multiply point by an integer.""" + return self * other + + def _mul_precompute(self, other): + """Multiply point by integer with precomputation table.""" + X3, Y3, Z3, p = 0, 0, 1, self.__curve.p() + _add = self._add + for X2, Y2 in self.__precompute: + if other % 2: + if other % 4 >= 2: + other = (other + 1) // 2 + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, -Y2, 1, p) + else: + other = (other - 1) // 2 + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, Y2, 1, p) + else: + other //= 2 + + if not Y3 or not Z3: + return INFINITY + return PointJacobi(self.__curve, X3, Y3, Z3, self.__order) + + @staticmethod + def _naf(mult): + """Calculate non-adjacent form of number.""" + ret = [] + while mult: + if mult % 2: + nd = mult % 4 + if nd >= 2: + nd -= 4 + ret.append(nd) + mult -= nd + else: + ret.append(0) + mult //= 2 + return ret + + def __mul__(self, other): + """Multiply point by an integer.""" + if not self.__coords[1] or not other: + return INFINITY + if other == 1: + return self + if self.__order: + # order*2 as a protection for Minerva + other = other % (self.__order * 2) + self._maybe_precompute() + if self.__precompute: + return self._mul_precompute(other) + + self = self.scale() + X2, Y2, _ = self.__coords + X3, Y3, Z3 = 0, 0, 1 + p, a = self.__curve.p(), self.__curve.a() + _double = self._double + _add = self._add + # since adding points when at least one of them is scaled + # is quicker, reverse the NAF order + for i in reversed(self._naf(other)): + X3, Y3, Z3 = _double(X3, Y3, Z3, p, a) + if i < 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, -Y2, 1, p) + elif i > 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, Y2, 1, p) + + if not Y3 or not Z3: + return INFINITY + + return PointJacobi(self.__curve, X3, Y3, Z3, self.__order) + + def mul_add(self, self_mul, other, other_mul): + """ + Do two multiplications at the same time, add results. + + calculates self*self_mul + other*other_mul + """ + if other == INFINITY or other_mul == 0: + return self * self_mul + if self_mul == 0: + return other * other_mul + if not isinstance(other, PointJacobi): + other = PointJacobi.from_affine(other) + # when the points have precomputed answers, then multiplying them alone + # is faster (as it uses NAF and no point doublings) + self._maybe_precompute() + other._maybe_precompute() + if self.__precompute and other.__precompute: + return self * self_mul + other * other_mul + + if self.__order: + self_mul = self_mul % self.__order + other_mul = other_mul % self.__order + + # (X3, Y3, Z3) is the accumulator + X3, Y3, Z3 = 0, 0, 1 + p, a = self.__curve.p(), self.__curve.a() + + # as we have 6 unique points to work with, we can't scale all of them, + # but do scale the ones that are used most often + self.scale() + X1, Y1, Z1 = self.__coords + other.scale() + X2, Y2, Z2 = other.__coords + + _double = self._double + _add = self._add + + # with NAF we have 3 options: no add, subtract, add + # so with 2 points, we have 9 combinations: + # 0, -A, +A, -B, -A-B, +A-B, +B, -A+B, +A+B + # so we need 4 combined points: + mAmB_X, mAmB_Y, mAmB_Z = _add(X1, -Y1, Z1, X2, -Y2, Z2, p) + pAmB_X, pAmB_Y, pAmB_Z = _add(X1, Y1, Z1, X2, -Y2, Z2, p) + mApB_X, mApB_Y, mApB_Z = _add(X1, -Y1, Z1, X2, Y2, Z2, p) + pApB_X, pApB_Y, pApB_Z = _add(X1, Y1, Z1, X2, Y2, Z2, p) + # when the self and other sum to infinity, we need to add them + # one by one to get correct result but as that's very unlikely to + # happen in regular operation, we don't need to optimise this case + if not pApB_Y or not pApB_Z: + return self * self_mul + other * other_mul + + # gmp object creation has cumulatively higher overhead than the + # speedup we get from calculating the NAF using gmp so ensure use + # of int() + self_naf = list(reversed(self._naf(int(self_mul)))) + other_naf = list(reversed(self._naf(int(other_mul)))) + # ensure that the lists are the same length (zip() will truncate + # longer one otherwise) + if len(self_naf) < len(other_naf): + self_naf = [0] * (len(other_naf) - len(self_naf)) + self_naf + elif len(self_naf) > len(other_naf): + other_naf = [0] * (len(self_naf) - len(other_naf)) + other_naf + + for A, B in zip(self_naf, other_naf): + X3, Y3, Z3 = _double(X3, Y3, Z3, p, a) + + # conditions ordered from most to least likely + if A == 0: + if B == 0: + pass + elif B < 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, -Y2, Z2, p) + else: + assert B > 0 + X3, Y3, Z3 = _add(X3, Y3, Z3, X2, Y2, Z2, p) + elif A < 0: + if B == 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, X1, -Y1, Z1, p) + elif B < 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, mAmB_X, mAmB_Y, mAmB_Z, p) + else: + assert B > 0 + X3, Y3, Z3 = _add(X3, Y3, Z3, mApB_X, mApB_Y, mApB_Z, p) + else: + assert A > 0 + if B == 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, X1, Y1, Z1, p) + elif B < 0: + X3, Y3, Z3 = _add(X3, Y3, Z3, pAmB_X, pAmB_Y, pAmB_Z, p) + else: + assert B > 0 + X3, Y3, Z3 = _add(X3, Y3, Z3, pApB_X, pApB_Y, pApB_Z, p) + + if not Y3 or not Z3: + return INFINITY + + return PointJacobi(self.__curve, X3, Y3, Z3, self.__order) + + def __neg__(self): + """Return negated point.""" + x, y, z = self.__coords + return PointJacobi(self.__curve, x, -y, z, self.__order) + + +class Point(AbstractPoint): + """A point on an elliptic curve. Altering x and y is forbidden, + but they can be read by the x() and y() methods.""" + + def __init__(self, curve, x, y, order=None): + """curve, x, y, order; order (optional) is the order of this point.""" + super(Point, self).__init__() + self.__curve = curve + if GMPY: + self.__x = x and mpz(x) + self.__y = y and mpz(y) + self.__order = order and mpz(order) + else: + self.__x = x + self.__y = y + self.__order = order + # self.curve is allowed to be None only for INFINITY: + if self.__curve: + assert self.__curve.contains_point(x, y) + # for curves with cofactor 1, all points that are on the curve are + # scalar multiples of the base point, so performing multiplication is + # not necessary to verify that. See Section 3.2.2.1 of SEC 1 v2 + if curve and curve.cofactor() != 1 and order: + assert self * order == INFINITY + + @classmethod + def from_bytes( + cls, + curve, + data, + validate_encoding=True, + valid_encodings=None, + order=None, + ): + """ + Initialise the object from byte encoding of a point. + + The method does accept and automatically detect the type of point + encoding used. It supports the :term:`raw encoding`, + :term:`uncompressed`, :term:`compressed`, and :term:`hybrid` encodings. + + :param data: single point encoding of the public key + :type data: :term:`bytes-like object` + :param curve: the curve on which the public key is expected to lay + :type curve: ecdsa.ellipticcurve.CurveFp + :param validate_encoding: whether to verify that the encoding of the + point is self-consistent, defaults to True, has effect only + on ``hybrid`` encoding + :type validate_encoding: bool + :param valid_encodings: list of acceptable point encoding formats, + supported ones are: :term:`uncompressed`, :term:`compressed`, + :term:`hybrid`, and :term:`raw encoding` (specified with ``raw`` + name). All formats by default (specified with ``None``). + :type valid_encodings: :term:`set-like object` + :param int order: the point order, must be non zero when using + generator=True + + :raises MalformedPointError: if the public point does not lay on the + curve or the encoding is invalid + + :return: Point on curve + :rtype: Point + """ + coord_x, coord_y = super(Point, cls).from_bytes( + curve, data, validate_encoding, valid_encodings + ) + return Point(curve, coord_x, coord_y, order) + + def __eq__(self, other): + """Return True if the points are identical, False otherwise. + + Note: only points that lay on the same curve can be equal. + """ + if isinstance(other, Point): + return ( + self.__curve == other.__curve + and self.__x == other.__x + and self.__y == other.__y + ) + return NotImplemented + + def __ne__(self, other): + """Returns False if points are identical, True otherwise.""" + return not self == other + + def __neg__(self): + return Point(self.__curve, self.__x, self.__curve.p() - self.__y) + + def __add__(self, other): + """Add one point to another point.""" + + # X9.62 B.3: + + if not isinstance(other, Point): + return NotImplemented + if other == INFINITY: + return self + if self == INFINITY: + return other + assert self.__curve == other.__curve + if self.__x == other.__x: + if (self.__y + other.__y) % self.__curve.p() == 0: + return INFINITY + else: + return self.double() + + p = self.__curve.p() + + l = ( + (other.__y - self.__y) + * numbertheory.inverse_mod(other.__x - self.__x, p) + ) % p + + x3 = (l * l - self.__x - other.__x) % p + y3 = (l * (self.__x - x3) - self.__y) % p + + return Point(self.__curve, x3, y3) + + def __mul__(self, other): + """Multiply a point by an integer.""" + + def leftmost_bit(x): + assert x > 0 + result = 1 + while result <= x: + result = 2 * result + return result // 2 + + e = other + if e == 0 or (self.__order and e % self.__order == 0): + return INFINITY + if self == INFINITY: + return INFINITY + if e < 0: + return (-self) * (-e) + + # From X9.62 D.3.2: + + e3 = 3 * e + negative_self = Point(self.__curve, self.__x, -self.__y, self.__order) + i = leftmost_bit(e3) // 2 + result = self + # print_("Multiplying %s by %d (e3 = %d):" % (self, other, e3)) + while i > 1: + result = result.double() + if (e3 & i) != 0 and (e & i) == 0: + result = result + self + if (e3 & i) == 0 and (e & i) != 0: + result = result + negative_self + # print_(". . . i = %d, result = %s" % ( i, result )) + i = i // 2 + + return result + + def __rmul__(self, other): + """Multiply a point by an integer.""" + + return self * other + + def __str__(self): + if self == INFINITY: + return "infinity" + return "(%d,%d)" % (self.__x, self.__y) + + def double(self): + """Return a new point that is twice the old.""" + + if self == INFINITY: + return INFINITY + + # X9.62 B.3: + + p = self.__curve.p() + a = self.__curve.a() + + l = ( + (3 * self.__x * self.__x + a) + * numbertheory.inverse_mod(2 * self.__y, p) + ) % p + + x3 = (l * l - 2 * self.__x) % p + y3 = (l * (self.__x - x3) - self.__y) % p + + return Point(self.__curve, x3, y3) + + def x(self): + return self.__x + + def y(self): + return self.__y + + def curve(self): + return self.__curve + + def order(self): + return self.__order + + +# This one point is the Point At Infinity for all purposes: +INFINITY = Point(None, None, None) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/errors.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/errors.py new file mode 100644 index 0000000..0184c05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/errors.py @@ -0,0 +1,4 @@ +class MalformedPointError(AssertionError): + """Raised in case the encoding of private or public key is malformed.""" + + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/keys.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/keys.py new file mode 100644 index 0000000..29c77d1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/keys.py @@ -0,0 +1,1483 @@ +""" +Primary classes for performing signing and verification operations. + +.. glossary:: + + raw encoding + Conversion of public, private keys and signatures (which in + mathematical sense are integers or pairs of integers) to strings of + bytes that does not use any special tags or encoding rules. + For any given curve, all keys of the same type or signatures will be + encoded to byte strings of the same length. In more formal sense, + the integers are encoded as big-endian, constant length byte strings, + where the string length is determined by the curve order (e.g. + for NIST256p the order is 256 bits long, so the private key will be 32 + bytes long while public key will be 64 bytes long). The encoding of a + single integer is zero-padded on the left if the numerical value is + low. In case of public keys and signatures, which are comprised of two + integers, the integers are simply concatenated. + + uncompressed + The most common formatting specified in PKIX standards. Specified in + X9.62 and SEC1 standards. The only difference between it and + :term:`raw encoding` is the prepending of a 0x04 byte. Thus an + uncompressed NIST256p public key encoding will be 65 bytes long. + + compressed + The public point representation that uses half of bytes of the + :term:`uncompressed` encoding (rounded up). It uses the first byte of + the encoding to specify the sign of the y coordinate and encodes the + x coordinate as-is. The first byte of the encoding is equal to + 0x02 or 0x03. Compressed encoding of NIST256p public key will be 33 + bytes long. + + hybrid + A combination of :term:`uncompressed` and :term:`compressed` encodings. + Both x and y coordinates are stored just as in :term:`compressed` + encoding, but the first byte reflects the sign of the y coordinate. The + first byte of the encoding will be equal to 0x06 or 0x7. Hybrid + encoding of NIST256p public key will be 65 bytes long. + + PEM + The acronym stands for Privacy Enhanced Email, but currently it is used + primarily as the way to encode :term:`DER` objects into text that can + be either easily copy-pasted or transferred over email. + It uses headers like ``-----BEGIN -----`` and footers + like ``-----END -----`` to separate multiple + types of objects in the same file or the object from the surrounding + comments. The actual object stored is base64 encoded. + + DER + Distinguished Encoding Rules, the way to encode :term:`ASN.1` objects + deterministically and uniquely into byte strings. + + ASN.1 + Abstract Syntax Notation 1 is a standard description language for + specifying serialisation and deserialisation of data structures in a + portable and cross-platform way. + + bytes-like object + All the types that implement the buffer protocol. That includes + ``str`` (only on python2), ``bytes``, ``bytesarray``, ``array.array` + and ``memoryview`` of those objects. + Please note that ``array.array` serialisation (converting it to byte + string) is endianess dependant! Signature computed over ``array.array`` + of integers on a big-endian system will not be verified on a + little-endian system and vice-versa. + + set-like object + All the types that support the ``in`` operator, like ``list``, + ``tuple``, ``set``, ``frozenset``, etc. +""" + +import binascii +from hashlib import sha1 +from six import PY2, b +from . import ecdsa +from . import der +from . import rfc6979 +from . import ellipticcurve +from .curves import NIST192p, Curve +from .ecdsa import RSZeroError +from .util import string_to_number, number_to_string, randrange +from .util import sigencode_string, sigdecode_string, bit_length +from .util import ( + oid_ecPublicKey, + encoded_oid_ecPublicKey, + oid_ecDH, + oid_ecMQV, + MalformedSignature, +) +from ._compat import normalise_bytes +from .errors import MalformedPointError +from .ellipticcurve import PointJacobi + + +__all__ = [ + "BadSignatureError", + "BadDigestError", + "VerifyingKey", + "SigningKey", + "MalformedPointError", +] + + +class BadSignatureError(Exception): + """ + Raised when verification of signature failed. + + Will be raised irrespective of reason of the failure: + + * the calculated or provided hash does not match the signature + * the signature does not match the curve/public key + * the encoding of the signature is malformed + * the size of the signature does not match the curve of the VerifyingKey + """ + + pass + + +class BadDigestError(Exception): + """Raised in case the selected hash is too large for the curve.""" + + pass + + +def _truncate_and_convert_digest(digest, curve, allow_truncate): + """Truncates and converts digest to an integer.""" + if not allow_truncate: + if len(digest) > curve.baselen: + raise BadDigestError( + "this curve ({0}) is too short " + "for the length of your digest ({1})".format( + curve.name, 8 * len(digest) + ) + ) + else: + digest = digest[: curve.baselen] + number = string_to_number(digest) + if allow_truncate: + max_length = bit_length(curve.order) + # we don't use bit_length(number) as that truncates leading zeros + length = len(digest) * 8 + + # See NIST FIPS 186-4: + # + # When the length of the output of the hash function is greater + # than N (i.e., the bit length of q), then the leftmost N bits of + # the hash function output block shall be used in any calculation + # using the hash function output during the generation or + # verification of a digital signature. + # + # as such, we need to shift-out the low-order bits: + number >>= max(0, length - max_length) + + return number + + +class VerifyingKey(object): + """ + Class for handling keys that can verify signatures (public keys). + + :ivar ecdsa.curves.Curve curve: The Curve over which all the cryptographic + operations will take place + :ivar default_hashfunc: the function that will be used for hashing the + data. Should implement the same API as hashlib.sha1 + :vartype default_hashfunc: callable + :ivar pubkey: the actual public key + :vartype pubkey: ecdsa.ecdsa.Public_key + """ + + def __init__(self, _error__please_use_generate=None): + """Unsupported, please use one of the classmethods to initialise.""" + if not _error__please_use_generate: + raise TypeError( + "Please use VerifyingKey.generate() to construct me" + ) + self.curve = None + self.default_hashfunc = None + self.pubkey = None + + def __repr__(self): + pub_key = self.to_string("compressed") + return "VerifyingKey.from_string({0!r}, {1!r}, {2})".format( + pub_key, self.curve, self.default_hashfunc().name + ) + + def __eq__(self, other): + """Return True if the points are identical, False otherwise.""" + if isinstance(other, VerifyingKey): + return self.curve == other.curve and self.pubkey == other.pubkey + return NotImplemented + + def __ne__(self, other): + """Return False if the points are identical, True otherwise.""" + return not self == other + + @classmethod + def from_public_point( + cls, point, curve=NIST192p, hashfunc=sha1, validate_point=True + ): + """ + Initialise the object from a Point object. + + This is a low-level method, generally you will not want to use it. + + :param point: The point to wrap around, the actual public key + :type point: ecdsa.ellipticcurve.Point + :param curve: The curve on which the point needs to reside, defaults + to NIST192p + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + verification, needs to implement the same interface + as hashlib.sha1 + :type hashfunc: callable + :type bool validate_point: whether to check if the point lays on curve + should always be used if the public point is not a result + of our own calculation + + :raises MalformedPointError: if the public point does not lay on the + curve + + :return: Initialised VerifyingKey object + :rtype: VerifyingKey + """ + self = cls(_error__please_use_generate=True) + if not isinstance(point, ellipticcurve.PointJacobi): + point = ellipticcurve.PointJacobi.from_affine(point) + self.curve = curve + self.default_hashfunc = hashfunc + try: + self.pubkey = ecdsa.Public_key( + curve.generator, point, validate_point + ) + except ecdsa.InvalidPointError: + raise MalformedPointError("Point does not lay on the curve") + self.pubkey.order = curve.order + return self + + def precompute(self, lazy=False): + """ + Precompute multiplication tables for faster signature verification. + + Calling this method will cause the library to precompute the + scalar multiplication tables, used in signature verification. + While it's an expensive operation (comparable to performing + as many signatures as the bit size of the curve, i.e. 256 for NIST256p) + it speeds up verification 2 times. You should call this method + if you expect to verify hundreds of signatures (or more) using the same + VerifyingKey object. + + Note: You should call this method only once, this method generates a + new precomputation table every time it's called. + + :param bool lazy: whether to calculate the precomputation table now + (if set to False) or if it should be delayed to the time of first + use (when set to True) + """ + self.pubkey.point = ellipticcurve.PointJacobi.from_affine( + self.pubkey.point, True + ) + # as precomputation in now delayed to the time of first use of the + # point and we were asked specifically to precompute now, make + # sure the precomputation is performed now to preserve the behaviour + if not lazy: + self.pubkey.point * 2 + + @classmethod + def from_string( + cls, + string, + curve=NIST192p, + hashfunc=sha1, + validate_point=True, + valid_encodings=None, + ): + """ + Initialise the object from byte encoding of public key. + + The method does accept and automatically detect the type of point + encoding used. It supports the :term:`raw encoding`, + :term:`uncompressed`, :term:`compressed`, and :term:`hybrid` encodings. + + Note, while the method is named "from_string" it's a misnomer from + Python 2 days when there were no binary strings. In Python 3 the + input needs to be a bytes-like object. + + :param string: single point encoding of the public key + :type string: :term:`bytes-like object` + :param curve: the curve on which the public key is expected to lay + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + verification, needs to implement the same interface as hashlib.sha1 + :type hashfunc: callable + :param validate_point: whether to verify that the point lays on the + provided curve or not, defaults to True + :type validate_point: bool + :param valid_encodings: list of acceptable point encoding formats, + supported ones are: :term:`uncompressed`, :term:`compressed`, + :term:`hybrid`, and :term:`raw encoding` (specified with ``raw`` + name). All formats by default (specified with ``None``). + :type valid_encodings: :term:`set-like object` + + :raises MalformedPointError: if the public point does not lay on the + curve or the encoding is invalid + + :return: Initialised VerifyingKey object + :rtype: VerifyingKey + """ + point = PointJacobi.from_bytes( + curve.curve, + string, + validate_encoding=validate_point, + valid_encodings=valid_encodings, + ) + return cls.from_public_point(point, curve, hashfunc, validate_point) + + @classmethod + def from_pem( + cls, + string, + hashfunc=sha1, + valid_encodings=None, + valid_curve_encodings=None, + ): + """ + Initialise from public key stored in :term:`PEM` format. + + The PEM header of the key should be ``BEGIN PUBLIC KEY``. + + See the :func:`~VerifyingKey.from_der()` method for details of the + format supported. + + Note: only a single PEM object decoding is supported in provided + string. + + :param string: text with PEM-encoded public ECDSA key + :type string: str + :param valid_encodings: list of allowed point encodings. + By default :term:`uncompressed`, :term:`compressed`, and + :term:`hybrid`. To read malformed files, include + :term:`raw encoding` with ``raw`` in the list. + :type valid_encodings: :term:`set-like object + :param valid_curve_encodings: list of allowed encoding formats + for curve parameters. By default (``None``) all are supported: + ``named_curve`` and ``explicit``. + :type valid_curve_encodings: :term:`set-like object` + + + :return: Initialised VerifyingKey object + :rtype: VerifyingKey + """ + return cls.from_der( + der.unpem(string), + hashfunc=hashfunc, + valid_encodings=valid_encodings, + valid_curve_encodings=valid_curve_encodings, + ) + + @classmethod + def from_der( + cls, + string, + hashfunc=sha1, + valid_encodings=None, + valid_curve_encodings=None, + ): + """ + Initialise the key stored in :term:`DER` format. + + The expected format of the key is the SubjectPublicKeyInfo structure + from RFC5912 (for RSA keys, it's known as the PKCS#1 format):: + + SubjectPublicKeyInfo {PUBLIC-KEY: IOSet} ::= SEQUENCE { + algorithm AlgorithmIdentifier {PUBLIC-KEY, {IOSet}}, + subjectPublicKey BIT STRING + } + + Note: only public EC keys are supported by this method. The + SubjectPublicKeyInfo.algorithm.algorithm field must specify + id-ecPublicKey (see RFC3279). + + Only the named curve encoding is supported, thus the + SubjectPublicKeyInfo.algorithm.parameters field needs to be an + object identifier. A sequence in that field indicates an explicit + parameter curve encoding, this format is not supported. A NULL object + in that field indicates an "implicitlyCA" encoding, where the curve + parameters come from CA certificate, those, again, are not supported. + + :param string: binary string with the DER encoding of public ECDSA key + :type string: bytes-like object + :param valid_encodings: list of allowed point encodings. + By default :term:`uncompressed`, :term:`compressed`, and + :term:`hybrid`. To read malformed files, include + :term:`raw encoding` with ``raw`` in the list. + :type valid_encodings: :term:`set-like object + :param valid_curve_encodings: list of allowed encoding formats + for curve parameters. By default (``None``) all are supported: + ``named_curve`` and ``explicit``. + :type valid_curve_encodings: :term:`set-like object` + + :return: Initialised VerifyingKey object + :rtype: VerifyingKey + """ + if valid_encodings is None: + valid_encodings = set(["uncompressed", "compressed", "hybrid"]) + string = normalise_bytes(string) + # [[oid_ecPublicKey,oid_curve], point_str_bitstring] + s1, empty = der.remove_sequence(string) + if empty != b"": + raise der.UnexpectedDER( + "trailing junk after DER pubkey: %s" % binascii.hexlify(empty) + ) + s2, point_str_bitstring = der.remove_sequence(s1) + # s2 = oid_ecPublicKey,oid_curve + oid_pk, rest = der.remove_object(s2) + if not oid_pk == oid_ecPublicKey: + raise der.UnexpectedDER( + "Unexpected object identifier in DER " + "encoding: {0!r}".format(oid_pk) + ) + curve = Curve.from_der(rest, valid_curve_encodings) + point_str, empty = der.remove_bitstring(point_str_bitstring, 0) + if empty != b"": + raise der.UnexpectedDER( + "trailing junk after pubkey pointstring: %s" + % binascii.hexlify(empty) + ) + # raw encoding of point is invalid in DER files + if len(point_str) == curve.verifying_key_length: + raise der.UnexpectedDER("Malformed encoding of public point") + return cls.from_string( + point_str, + curve, + hashfunc=hashfunc, + valid_encodings=valid_encodings, + ) + + @classmethod + def from_public_key_recovery( + cls, + signature, + data, + curve, + hashfunc=sha1, + sigdecode=sigdecode_string, + allow_truncate=True, + ): + """ + Return keys that can be used as verifiers of the provided signature. + + Tries to recover the public key that can be used to verify the + signature, usually returns two keys like that. + + :param signature: the byte string with the encoded signature + :type signature: bytes-like object + :param data: the data to be hashed for signature verification + :type data: bytes-like object + :param curve: the curve over which the signature was performed + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + verification, needs to implement the same interface as hashlib.sha1 + :type hashfunc: callable + :param sigdecode: Callable to define the way the signature needs to + be decoded to an object, needs to handle `signature` as the + first parameter, the curve order (an int) as the second and return + a tuple with two integers, "r" as the first one and "s" as the + second one. See :func:`ecdsa.util.sigdecode_string` and + :func:`ecdsa.util.sigdecode_der` for examples. + :param bool allow_truncate: if True, the provided hashfunc can generate + values larger than the bit size of the order of the curve, the + extra bits (at the end of the digest) will be truncated. + :type sigdecode: callable + + :return: Initialised VerifyingKey objects + :rtype: list of VerifyingKey + """ + data = normalise_bytes(data) + digest = hashfunc(data).digest() + return cls.from_public_key_recovery_with_digest( + signature, + digest, + curve, + hashfunc=hashfunc, + sigdecode=sigdecode, + allow_truncate=allow_truncate, + ) + + @classmethod + def from_public_key_recovery_with_digest( + cls, + signature, + digest, + curve, + hashfunc=sha1, + sigdecode=sigdecode_string, + allow_truncate=False, + ): + """ + Return keys that can be used as verifiers of the provided signature. + + Tries to recover the public key that can be used to verify the + signature, usually returns two keys like that. + + :param signature: the byte string with the encoded signature + :type signature: bytes-like object + :param digest: the hash value of the message signed by the signature + :type digest: bytes-like object + :param curve: the curve over which the signature was performed + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + verification, needs to implement the same interface as hashlib.sha1 + :type hashfunc: callable + :param sigdecode: Callable to define the way the signature needs to + be decoded to an object, needs to handle `signature` as the + first parameter, the curve order (an int) as the second and return + a tuple with two integers, "r" as the first one and "s" as the + second one. See :func:`ecdsa.util.sigdecode_string` and + :func:`ecdsa.util.sigdecode_der` for examples. + :type sigdecode: callable + :param bool allow_truncate: if True, the provided hashfunc can generate + values larger than the bit size of the order of the curve (and + the length of provided `digest`), the extra bits (at the end of the + digest) will be truncated. + + :return: Initialised VerifyingKey object + :rtype: VerifyingKey + """ + generator = curve.generator + r, s = sigdecode(signature, generator.order()) + sig = ecdsa.Signature(r, s) + + digest = normalise_bytes(digest) + digest_as_number = _truncate_and_convert_digest( + digest, curve, allow_truncate + ) + pks = sig.recover_public_keys(digest_as_number, generator) + + # Transforms the ecdsa.Public_key object into a VerifyingKey + verifying_keys = [ + cls.from_public_point(pk.point, curve, hashfunc) for pk in pks + ] + return verifying_keys + + def to_string(self, encoding="raw"): + """ + Convert the public key to a byte string. + + The method by default uses the :term:`raw encoding` (specified + by `encoding="raw"`. It can also output keys in :term:`uncompressed`, + :term:`compressed` and :term:`hybrid` formats. + + Remember that the curve identification is not part of the encoding + so to decode the point using :func:`~VerifyingKey.from_string`, curve + needs to be specified. + + Note: while the method is called "to_string", it's a misnomer from + Python 2 days when character strings and byte strings shared type. + On Python 3 the returned type will be `bytes`. + + :return: :term:`raw encoding` of the public key (public point) on the + curve + :rtype: bytes + """ + assert encoding in ("raw", "uncompressed", "compressed", "hybrid") + return self.pubkey.point.to_bytes(encoding) + + def to_pem( + self, point_encoding="uncompressed", curve_parameters_encoding=None + ): + """ + Convert the public key to the :term:`PEM` format. + + The PEM header of the key will be ``BEGIN PUBLIC KEY``. + + The format of the key is described in the + :func:`~VerifyingKey.from_der()` method. + This method supports only "named curve" encoding of keys. + + :param str point_encoding: specification of the encoding format + of public keys. "uncompressed" is most portable, "compressed" is + smallest. "hybrid" is uncommon and unsupported by most + implementations, it is as big as "uncompressed". + :param str curve_parameters_encoding: the encoding for curve parameters + to use, by default tries to use ``named_curve`` encoding, + if that is not possible, falls back to ``named_curve`` encoding. + + :return: portable encoding of the public key + :rtype: bytes + + .. warning:: The PEM is encoded to US-ASCII, it needs to be + re-encoded if the system is incompatible (e.g. uses UTF-16) + """ + return der.topem( + self.to_der(point_encoding, curve_parameters_encoding), + "PUBLIC KEY", + ) + + def to_der( + self, point_encoding="uncompressed", curve_parameters_encoding=None + ): + """ + Convert the public key to the :term:`DER` format. + + The format of the key is described in the + :func:`~VerifyingKey.from_der()` method. + This method supports only "named curve" encoding of keys. + + :param str point_encoding: specification of the encoding format + of public keys. "uncompressed" is most portable, "compressed" is + smallest. "hybrid" is uncommon and unsupported by most + implementations, it is as big as "uncompressed". + :param str curve_parameters_encoding: the encoding for curve parameters + to use, by default tries to use ``named_curve`` encoding, + if that is not possible, falls back to ``named_curve`` encoding. + + :return: DER encoding of the public key + :rtype: bytes + """ + if point_encoding == "raw": + raise ValueError("raw point_encoding not allowed in DER") + point_str = self.to_string(point_encoding) + return der.encode_sequence( + der.encode_sequence( + encoded_oid_ecPublicKey, + self.curve.to_der(curve_parameters_encoding), + ), + # 0 is the number of unused bits in the + # bit string + der.encode_bitstring(point_str, 0), + ) + + def verify( + self, + signature, + data, + hashfunc=None, + sigdecode=sigdecode_string, + allow_truncate=True, + ): + """ + Verify a signature made over provided data. + + Will hash `data` to verify the signature. + + By default expects signature in :term:`raw encoding`. Can also be used + to verify signatures in ASN.1 DER encoding by using + :func:`ecdsa.util.sigdecode_der` + as the `sigdecode` parameter. + + :param signature: encoding of the signature + :type signature: sigdecode method dependant + :param data: data signed by the `signature`, will be hashed using + `hashfunc`, if specified, or default hash function + :type data: bytes like object + :param hashfunc: The default hash function that will be used for + verification, needs to implement the same interface as hashlib.sha1 + :type hashfunc: callable + :param sigdecode: Callable to define the way the signature needs to + be decoded to an object, needs to handle `signature` as the + first parameter, the curve order (an int) as the second and return + a tuple with two integers, "r" as the first one and "s" as the + second one. See :func:`ecdsa.util.sigdecode_string` and + :func:`ecdsa.util.sigdecode_der` for examples. + :type sigdecode: callable + :param bool allow_truncate: if True, the provided digest can have + bigger bit-size than the order of the curve, the extra bits (at + the end of the digest) will be truncated. Use it when verifying + SHA-384 output using NIST256p or in similar situations. Defaults to + True. + + :raises BadSignatureError: if the signature is invalid or malformed + + :return: True if the verification was successful + :rtype: bool + """ + # signature doesn't have to be a bytes-like-object so don't normalise + # it, the decoders will do that + data = normalise_bytes(data) + + hashfunc = hashfunc or self.default_hashfunc + digest = hashfunc(data).digest() + return self.verify_digest(signature, digest, sigdecode, allow_truncate) + + def verify_digest( + self, + signature, + digest, + sigdecode=sigdecode_string, + allow_truncate=False, + ): + """ + Verify a signature made over provided hash value. + + By default expects signature in :term:`raw encoding`. Can also be used + to verify signatures in ASN.1 DER encoding by using + :func:`ecdsa.util.sigdecode_der` + as the `sigdecode` parameter. + + :param signature: encoding of the signature + :type signature: sigdecode method dependant + :param digest: raw hash value that the signature authenticates. + :type digest: bytes like object + :param sigdecode: Callable to define the way the signature needs to + be decoded to an object, needs to handle `signature` as the + first parameter, the curve order (an int) as the second and return + a tuple with two integers, "r" as the first one and "s" as the + second one. See :func:`ecdsa.util.sigdecode_string` and + :func:`ecdsa.util.sigdecode_der` for examples. + :type sigdecode: callable + :param bool allow_truncate: if True, the provided digest can have + bigger bit-size than the order of the curve, the extra bits (at + the end of the digest) will be truncated. Use it when verifying + SHA-384 output using NIST256p or in similar situations. + + :raises BadSignatureError: if the signature is invalid or malformed + :raises BadDigestError: if the provided digest is too big for the curve + associated with this VerifyingKey and allow_truncate was not set + + :return: True if the verification was successful + :rtype: bool + """ + # signature doesn't have to be a bytes-like-object so don't normalise + # it, the decoders will do that + digest = normalise_bytes(digest) + number = _truncate_and_convert_digest( + digest, self.curve, allow_truncate, + ) + + try: + r, s = sigdecode(signature, self.pubkey.order) + except (der.UnexpectedDER, MalformedSignature) as e: + raise BadSignatureError("Malformed formatting of signature", e) + sig = ecdsa.Signature(r, s) + if self.pubkey.verifies(number, sig): + return True + raise BadSignatureError("Signature verification failed") + + +class SigningKey(object): + """ + Class for handling keys that can create signatures (private keys). + + :ivar ecdsa.curves.Curve curve: The Curve over which all the cryptographic + operations will take place + :ivar default_hashfunc: the function that will be used for hashing the + data. Should implement the same API as hashlib.sha1 + :ivar int baselen: the length of a :term:`raw encoding` of private key + :ivar ecdsa.keys.VerifyingKey verifying_key: the public key + associated with this private key + :ivar ecdsa.ecdsa.Private_key privkey: the actual private key + """ + + def __init__(self, _error__please_use_generate=None): + """Unsupported, please use one of the classmethods to initialise.""" + if not _error__please_use_generate: + raise TypeError("Please use SigningKey.generate() to construct me") + self.curve = None + self.default_hashfunc = None + self.baselen = None + self.verifying_key = None + self.privkey = None + + def __eq__(self, other): + """Return True if the points are identical, False otherwise.""" + if isinstance(other, SigningKey): + return ( + self.curve == other.curve + and self.verifying_key == other.verifying_key + and self.privkey == other.privkey + ) + return NotImplemented + + def __ne__(self, other): + """Return False if the points are identical, True otherwise.""" + return not self == other + + @classmethod + def generate(cls, curve=NIST192p, entropy=None, hashfunc=sha1): + """ + Generate a random private key. + + :param curve: The curve on which the point needs to reside, defaults + to NIST192p + :type curve: ecdsa.curves.Curve + :param entropy: Source of randomness for generating the private keys, + should provide cryptographically secure random numbers if the keys + need to be secure. Uses os.urandom() by default. + :type entropy: callable + :param hashfunc: The default hash function that will be used for + signing, needs to implement the same interface + as hashlib.sha1 + :type hashfunc: callable + + :return: Initialised SigningKey object + :rtype: SigningKey + """ + secexp = randrange(curve.order, entropy) + return cls.from_secret_exponent(secexp, curve, hashfunc) + + @classmethod + def from_secret_exponent(cls, secexp, curve=NIST192p, hashfunc=sha1): + """ + Create a private key from a random integer. + + Note: it's a low level method, it's recommended to use the + :func:`~SigningKey.generate` method to create private keys. + + :param int secexp: secret multiplier (the actual private key in ECDSA). + Needs to be an integer between 1 and the curve order. + :param curve: The curve on which the point needs to reside + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + signing, needs to implement the same interface + as hashlib.sha1 + :type hashfunc: callable + + :raises MalformedPointError: when the provided secexp is too large + or too small for the curve selected + :raises RuntimeError: if the generation of public key from private + key failed + + :return: Initialised SigningKey object + :rtype: SigningKey + """ + self = cls(_error__please_use_generate=True) + self.curve = curve + self.default_hashfunc = hashfunc + self.baselen = curve.baselen + n = curve.order + if not 1 <= secexp < n: + raise MalformedPointError( + "Invalid value for secexp, expected integer " + "between 1 and {0}".format(n) + ) + pubkey_point = curve.generator * secexp + if hasattr(pubkey_point, "scale"): + pubkey_point = pubkey_point.scale() + self.verifying_key = VerifyingKey.from_public_point( + pubkey_point, curve, hashfunc, False + ) + pubkey = self.verifying_key.pubkey + self.privkey = ecdsa.Private_key(pubkey, secexp) + self.privkey.order = n + return self + + @classmethod + def from_string(cls, string, curve=NIST192p, hashfunc=sha1): + """ + Decode the private key from :term:`raw encoding`. + + Note: the name of this method is a misnomer coming from days of + Python 2, when binary strings and character strings shared a type. + In Python 3, the expected type is `bytes`. + + :param string: the raw encoding of the private key + :type string: bytes like object + :param curve: The curve on which the point needs to reside + :type curve: ecdsa.curves.Curve + :param hashfunc: The default hash function that will be used for + signing, needs to implement the same interface + as hashlib.sha1 + :type hashfunc: callable + + :raises MalformedPointError: if the length of encoding doesn't match + the provided curve or the encoded values is too large + :raises RuntimeError: if the generation of public key from private + key failed + + :return: Initialised SigningKey object + :rtype: SigningKey + """ + string = normalise_bytes(string) + if len(string) != curve.baselen: + raise MalformedPointError( + "Invalid length of private key, received {0}, " + "expected {1}".format(len(string), curve.baselen) + ) + secexp = string_to_number(string) + return cls.from_secret_exponent(secexp, curve, hashfunc) + + @classmethod + def from_pem(cls, string, hashfunc=sha1, valid_curve_encodings=None): + """ + Initialise from key stored in :term:`PEM` format. + + The PEM formats supported are the un-encrypted RFC5915 + (the ssleay format) supported by OpenSSL, and the more common + un-encrypted RFC5958 (the PKCS #8 format). + + The legacy format files have the header with the string + ``BEGIN EC PRIVATE KEY``. + PKCS#8 files have the header ``BEGIN PRIVATE KEY``. + Encrypted files (ones that include the string + ``Proc-Type: 4,ENCRYPTED`` + right after the PEM header) are not supported. + + See :func:`~SigningKey.from_der` for ASN.1 syntax of the objects in + this files. + + :param string: text with PEM-encoded private ECDSA key + :type string: str + :param valid_curve_encodings: list of allowed encoding formats + for curve parameters. By default (``None``) all are supported: + ``named_curve`` and ``explicit``. + :type valid_curve_encodings: :term:`set-like object` + + + :raises MalformedPointError: if the length of encoding doesn't match + the provided curve or the encoded values is too large + :raises RuntimeError: if the generation of public key from private + key failed + :raises UnexpectedDER: if the encoding of the PEM file is incorrect + + :return: Initialised SigningKey object + :rtype: SigningKey + """ + if not PY2 and isinstance(string, str): # pragma: no branch + string = string.encode() + + # The privkey pem may have multiple sections, commonly it also has + # "EC PARAMETERS", we need just "EC PRIVATE KEY". PKCS#8 should not + # have the "EC PARAMETERS" section; it's just "PRIVATE KEY". + private_key_index = string.find(b"-----BEGIN EC PRIVATE KEY-----") + if private_key_index == -1: + private_key_index = string.index(b"-----BEGIN PRIVATE KEY-----") + + return cls.from_der( + der.unpem(string[private_key_index:]), + hashfunc, + valid_curve_encodings, + ) + + @classmethod + def from_der(cls, string, hashfunc=sha1, valid_curve_encodings=None): + """ + Initialise from key stored in :term:`DER` format. + + The DER formats supported are the un-encrypted RFC5915 + (the ssleay format) supported by OpenSSL, and the more common + un-encrypted RFC5958 (the PKCS #8 format). + + Both formats contain an ASN.1 object following the syntax specified + in RFC5915:: + + ECPrivateKey ::= SEQUENCE { + version INTEGER { ecPrivkeyVer1(1) }} (ecPrivkeyVer1), + privateKey OCTET STRING, + parameters [0] ECParameters {{ NamedCurve }} OPTIONAL, + publicKey [1] BIT STRING OPTIONAL + } + + `publicKey` field is ignored completely (errors, if any, in it will + be undetected). + + Two formats are supported for the `parameters` field: the named + curve and the explicit encoding of curve parameters. + In the legacy ssleay format, this implementation requires the optional + `parameters` field to get the curve name. In PKCS #8 format, the curve + is part of the PrivateKeyAlgorithmIdentifier. + + The PKCS #8 format includes an ECPrivateKey object as the `privateKey` + field within a larger structure: + + OneAsymmetricKey ::= SEQUENCE { + version Version, + privateKeyAlgorithm PrivateKeyAlgorithmIdentifier, + privateKey PrivateKey, + attributes [0] Attributes OPTIONAL, + ..., + [[2: publicKey [1] PublicKey OPTIONAL ]], + ... + } + + The `attributes` and `publicKey` fields are completely ignored; errors + in them will not be detected. + + :param string: binary string with DER-encoded private ECDSA key + :type string: bytes like object + :param valid_curve_encodings: list of allowed encoding formats + for curve parameters. By default (``None``) all are supported: + ``named_curve`` and ``explicit``. + :type valid_curve_encodings: :term:`set-like object` + + :raises MalformedPointError: if the length of encoding doesn't match + the provided curve or the encoded values is too large + :raises RuntimeError: if the generation of public key from private + key failed + :raises UnexpectedDER: if the encoding of the DER file is incorrect + + :return: Initialised SigningKey object + :rtype: SigningKey + """ + s = normalise_bytes(string) + curve = None + + s, empty = der.remove_sequence(s) + if empty != b(""): + raise der.UnexpectedDER( + "trailing junk after DER privkey: %s" % binascii.hexlify(empty) + ) + + version, s = der.remove_integer(s) + + # At this point, PKCS #8 has a sequence containing the algorithm + # identifier and the curve identifier. The ssleay format instead has + # an octet string containing the key data, so this is how we can + # distinguish the two formats. + if der.is_sequence(s): + if version not in (0, 1): + raise der.UnexpectedDER( + "expected version '0' or '1' at start of privkey, got %d" + % version + ) + + sequence, s = der.remove_sequence(s) + algorithm_oid, algorithm_identifier = der.remove_object(sequence) + curve = Curve.from_der(algorithm_identifier, valid_curve_encodings) + + if algorithm_oid not in (oid_ecPublicKey, oid_ecDH, oid_ecMQV): + raise der.UnexpectedDER( + "unexpected algorithm identifier '%s'" % (algorithm_oid,) + ) + if empty != b"": + raise der.UnexpectedDER( + "unexpected data after algorithm identifier: %s" + % binascii.hexlify(empty) + ) + + # Up next is an octet string containing an ECPrivateKey. Ignore + # the optional "attributes" and "publicKey" fields that come after. + s, _ = der.remove_octet_string(s) + + # Unpack the ECPrivateKey to get to the key data octet string, + # and rejoin the ssleay parsing path. + s, empty = der.remove_sequence(s) + if empty != b(""): + raise der.UnexpectedDER( + "trailing junk after DER privkey: %s" + % binascii.hexlify(empty) + ) + + version, s = der.remove_integer(s) + + # The version of the ECPrivateKey must be 1. + if version != 1: + raise der.UnexpectedDER( + "expected version '1' at start of DER privkey, got %d" + % version + ) + + privkey_str, s = der.remove_octet_string(s) + + if not curve: + tag, curve_oid_str, s = der.remove_constructed(s) + if tag != 0: + raise der.UnexpectedDER( + "expected tag 0 in DER privkey, got %d" % tag + ) + curve = Curve.from_der(curve_oid_str, valid_curve_encodings) + + # we don't actually care about the following fields + # + # tag, pubkey_bitstring, s = der.remove_constructed(s) + # if tag != 1: + # raise der.UnexpectedDER("expected tag 1 in DER privkey, got %d" + # % tag) + # pubkey_str = der.remove_bitstring(pubkey_bitstring, 0) + # if empty != "": + # raise der.UnexpectedDER("trailing junk after DER privkey " + # "pubkeystr: %s" + # % binascii.hexlify(empty)) + + # our from_string method likes fixed-length privkey strings + if len(privkey_str) < curve.baselen: + privkey_str = ( + b("\x00") * (curve.baselen - len(privkey_str)) + privkey_str + ) + return cls.from_string(privkey_str, curve, hashfunc) + + def to_string(self): + """ + Convert the private key to :term:`raw encoding`. + + Note: while the method is named "to_string", its name comes from + Python 2 days, when binary and character strings used the same type. + The type used in Python 3 is `bytes`. + + :return: raw encoding of private key + :rtype: bytes + """ + secexp = self.privkey.secret_multiplier + s = number_to_string(secexp, self.privkey.order) + return s + + def to_pem( + self, + point_encoding="uncompressed", + format="ssleay", + curve_parameters_encoding=None, + ): + """ + Convert the private key to the :term:`PEM` format. + + See :func:`~SigningKey.from_pem` method for format description. + + Only the named curve format is supported. + The public key will be included in generated string. + + The PEM header will specify ``BEGIN EC PRIVATE KEY`` or + ``BEGIN PRIVATE KEY``, depending on the desired format. + + :param str point_encoding: format to use for encoding public point + :param str format: either ``ssleay`` (default) or ``pkcs8`` + :param str curve_parameters_encoding: format of encoded curve + parameters, default depends on the curve, if the curve has + an associated OID, ``named_curve`` format will be used, + if no OID is associated with the curve, the fallback of + ``explicit`` parameters will be used. + + :return: PEM encoded private key + :rtype: bytes + + .. warning:: The PEM is encoded to US-ASCII, it needs to be + re-encoded if the system is incompatible (e.g. uses UTF-16) + """ + # TODO: "BEGIN ECPARAMETERS" + assert format in ("ssleay", "pkcs8") + header = "EC PRIVATE KEY" if format == "ssleay" else "PRIVATE KEY" + return der.topem( + self.to_der(point_encoding, format, curve_parameters_encoding), + header, + ) + + def to_der( + self, + point_encoding="uncompressed", + format="ssleay", + curve_parameters_encoding=None, + ): + """ + Convert the private key to the :term:`DER` format. + + See :func:`~SigningKey.from_der` method for format specification. + + Only the named curve format is supported. + The public key will be included in the generated string. + + :param str point_encoding: format to use for encoding public point + :param str format: either ``ssleay`` (default) or ``pkcs8`` + :param str curve_parameters_encoding: format of encoded curve + parameters, default depends on the curve, if the curve has + an associated OID, ``named_curve`` format will be used, + if no OID is associated with the curve, the fallback of + ``explicit`` parameters will be used. + + :return: DER encoded private key + :rtype: bytes + """ + # SEQ([int(1), octetstring(privkey),cont[0], oid(secp224r1), + # cont[1],bitstring]) + if point_encoding == "raw": + raise ValueError("raw encoding not allowed in DER") + assert format in ("ssleay", "pkcs8") + encoded_vk = self.get_verifying_key().to_string(point_encoding) + priv_key_elems = [ + der.encode_integer(1), + der.encode_octet_string(self.to_string()), + ] + if format == "ssleay": + priv_key_elems.append( + der.encode_constructed( + 0, self.curve.to_der(curve_parameters_encoding) + ) + ) + # the 0 in encode_bitstring specifies the number of unused bits + # in the `encoded_vk` string + priv_key_elems.append( + der.encode_constructed(1, der.encode_bitstring(encoded_vk, 0)) + ) + ec_private_key = der.encode_sequence(*priv_key_elems) + + if format == "ssleay": + return ec_private_key + else: + return der.encode_sequence( + # version = 1 means the public key is not present in the + # top-level structure. + der.encode_integer(1), + der.encode_sequence( + der.encode_oid(*oid_ecPublicKey), + self.curve.to_der(curve_parameters_encoding), + ), + der.encode_octet_string(ec_private_key), + ) + + def get_verifying_key(self): + """ + Return the VerifyingKey associated with this private key. + + Equivalent to reading the `verifying_key` field of an instance. + + :return: a public key that can be used to verify the signatures made + with this SigningKey + :rtype: VerifyingKey + """ + return self.verifying_key + + def sign_deterministic( + self, + data, + hashfunc=None, + sigencode=sigencode_string, + extra_entropy=b"", + ): + """ + Create signature over data using the deterministic RFC6979 algorithm. + + The data will be hashed using the `hashfunc` function before signing. + + This is the recommended method for performing signatures when hashing + of data is necessary. + + :param data: data to be hashed and computed signature over + :type data: bytes like object + :param hashfunc: hash function to use for computing the signature, + if unspecified, the default hash function selected during + object initialisation will be used (see + `VerifyingKey.default_hashfunc`). The object needs to implement + the same interface as hashlib.sha1. + :type hashfunc: callable + :param sigencode: function used to encode the signature. + The function needs to accept three parameters: the two integers + that are the signature and the order of the curve over which the + signature was computed. It needs to return an encoded signature. + See `ecdsa.util.sigencode_string` and `ecdsa.util.sigencode_der` + as examples of such functions. + :type sigencode: callable + :param extra_entropy: additional data that will be fed into the random + number generator used in the RFC6979 process. Entirely optional. + :type extra_entropy: bytes like object + + :return: encoded signature over `data` + :rtype: bytes or sigencode function dependant type + """ + hashfunc = hashfunc or self.default_hashfunc + data = normalise_bytes(data) + extra_entropy = normalise_bytes(extra_entropy) + digest = hashfunc(data).digest() + + return self.sign_digest_deterministic( + digest, + hashfunc=hashfunc, + sigencode=sigencode, + extra_entropy=extra_entropy, + allow_truncate=True, + ) + + def sign_digest_deterministic( + self, + digest, + hashfunc=None, + sigencode=sigencode_string, + extra_entropy=b"", + allow_truncate=False, + ): + """ + Create signature for digest using the deterministic RFC6979 algorithm. + + `digest` should be the output of cryptographically secure hash function + like SHA256 or SHA-3-256. + + This is the recommended method for performing signatures when no + hashing of data is necessary. + + :param digest: hash of data that will be signed + :type digest: bytes like object + :param hashfunc: hash function to use for computing the random "k" + value from RFC6979 process, + if unspecified, the default hash function selected during + object initialisation will be used (see + `VerifyingKey.default_hashfunc`). The object needs to implement + the same interface as hashlib.sha1. + :type hashfunc: callable + :param sigencode: function used to encode the signature. + The function needs to accept three parameters: the two integers + that are the signature and the order of the curve over which the + signature was computed. It needs to return an encoded signature. + See `ecdsa.util.sigencode_string` and `ecdsa.util.sigencode_der` + as examples of such functions. + :type sigencode: callable + :param extra_entropy: additional data that will be fed into the random + number generator used in the RFC6979 process. Entirely optional. + :type extra_entropy: bytes like object + :param bool allow_truncate: if True, the provided digest can have + bigger bit-size than the order of the curve, the extra bits (at + the end of the digest) will be truncated. Use it when signing + SHA-384 output using NIST256p or in similar situations. + + :return: encoded signature for the `digest` hash + :rtype: bytes or sigencode function dependant type + """ + secexp = self.privkey.secret_multiplier + hashfunc = hashfunc or self.default_hashfunc + digest = normalise_bytes(digest) + extra_entropy = normalise_bytes(extra_entropy) + + def simple_r_s(r, s, order): + return r, s, order + + retry_gen = 0 + while True: + k = rfc6979.generate_k( + self.curve.generator.order(), + secexp, + hashfunc, + digest, + retry_gen=retry_gen, + extra_entropy=extra_entropy, + ) + try: + r, s, order = self.sign_digest( + digest, + sigencode=simple_r_s, + k=k, + allow_truncate=allow_truncate, + ) + break + except RSZeroError: + retry_gen += 1 + + return sigencode(r, s, order) + + def sign( + self, + data, + entropy=None, + hashfunc=None, + sigencode=sigencode_string, + k=None, + allow_truncate=True, + ): + """ + Create signature over data using the probabilistic ECDSA algorithm. + + This method uses the standard ECDSA algorithm that requires a + cryptographically secure random number generator. + + It's recommended to use the :func:`~SigningKey.sign_deterministic` + method instead of this one. + + :param data: data that will be hashed for signing + :type data: bytes like object + :param callable entropy: randomness source, os.urandom by default + :param hashfunc: hash function to use for hashing the provided `data`. + If unspecified the default hash function selected during + object initialisation will be used (see + `VerifyingKey.default_hashfunc`). + Should behave like hashlib.sha1. The output length of the + hash (in bytes) must not be longer than the length of the curve + order (rounded up to the nearest byte), so using SHA256 with + NIST256p is ok, but SHA256 with NIST192p is not. (In the 2**-96ish + unlikely event of a hash output larger than the curve order, the + hash will effectively be wrapped mod n). + Use hashfunc=hashlib.sha1 to match openssl's -ecdsa-with-SHA1 mode, + or hashfunc=hashlib.sha256 for openssl-1.0.0's -ecdsa-with-SHA256. + :type hashfunc: callable + :param sigencode: function used to encode the signature. + The function needs to accept three parameters: the two integers + that are the signature and the order of the curve over which the + signature was computed. It needs to return an encoded signature. + See `ecdsa.util.sigencode_string` and `ecdsa.util.sigencode_der` + as examples of such functions. + :type sigencode: callable + :param int k: a pre-selected nonce for calculating the signature. + In typical use cases, it should be set to None (the default) to + allow its generation from an entropy source. + :param bool allow_truncate: if True, the provided digest can have + bigger bit-size than the order of the curve, the extra bits (at + the end of the digest) will be truncated. Use it when signing + SHA-384 output using NIST256p or in similar situations. True by + default. + + :raises RSZeroError: in the unlikely event when "r" parameter or + "s" parameter of the created signature is equal 0, as that would + leak the key. Caller should try a better entropy source, retry with + different 'k', or use the + :func:`~SigningKey.sign_deterministic` in such case. + + :return: encoded signature of the hash of `data` + :rtype: bytes or sigencode function dependant type + """ + hashfunc = hashfunc or self.default_hashfunc + data = normalise_bytes(data) + h = hashfunc(data).digest() + return self.sign_digest(h, entropy, sigencode, k, allow_truncate) + + def sign_digest( + self, + digest, + entropy=None, + sigencode=sigencode_string, + k=None, + allow_truncate=False, + ): + """ + Create signature over digest using the probabilistic ECDSA algorithm. + + This method uses the standard ECDSA algorithm that requires a + cryptographically secure random number generator. + + This method does not hash the input. + + It's recommended to use the + :func:`~SigningKey.sign_digest_deterministic` method + instead of this one. + + :param digest: hash value that will be signed + :type digest: bytes like object + :param callable entropy: randomness source, os.urandom by default + :param sigencode: function used to encode the signature. + The function needs to accept three parameters: the two integers + that are the signature and the order of the curve over which the + signature was computed. It needs to return an encoded signature. + See `ecdsa.util.sigencode_string` and `ecdsa.util.sigencode_der` + as examples of such functions. + :type sigencode: callable + :param int k: a pre-selected nonce for calculating the signature. + In typical use cases, it should be set to None (the default) to + allow its generation from an entropy source. + :param bool allow_truncate: if True, the provided digest can have + bigger bit-size than the order of the curve, the extra bits (at + the end of the digest) will be truncated. Use it when signing + SHA-384 output using NIST256p or in similar situations. + + :raises RSZeroError: in the unlikely event when "r" parameter or + "s" parameter of the created signature is equal 0, as that would + leak the key. Caller should try a better entropy source, retry with + different 'k', or use the + :func:`~SigningKey.sign_digest_deterministic` in such case. + + :return: encoded signature for the `digest` hash + :rtype: bytes or sigencode function dependant type + """ + digest = normalise_bytes(digest) + number = _truncate_and_convert_digest( + digest, self.curve, allow_truncate, + ) + r, s = self.sign_number(number, entropy, k) + return sigencode(r, s, self.privkey.order) + + def sign_number(self, number, entropy=None, k=None): + """ + Sign an integer directly. + + Note, this is a low level method, usually you will want to use + :func:`~SigningKey.sign_deterministic` or + :func:`~SigningKey.sign_digest_deterministic`. + + :param int number: number to sign using the probabilistic ECDSA + algorithm. + :param callable entropy: entropy source, os.urandom by default + :param int k: pre-selected nonce for signature operation. If unset + it will be selected at random using the entropy source. + + :raises RSZeroError: in the unlikely event when "r" parameter or + "s" parameter of the created signature is equal 0, as that would + leak the key. Caller should try a better entropy source, retry with + different 'k', or use the + :func:`~SigningKey.sign_digest_deterministic` in such case. + + :return: the "r" and "s" parameters of the signature + :rtype: tuple of ints + """ + order = self.privkey.order + + if k is not None: + _k = k + else: + _k = randrange(order, entropy) + + assert 1 <= _k < order + sig = self.privkey.sign(number, _k) + return sig.r, sig.s diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/numbertheory.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/numbertheory.py new file mode 100644 index 0000000..9ad3d21 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/numbertheory.py @@ -0,0 +1,822 @@ +#! /usr/bin/env python +# +# Provide some simple capabilities from number theory. +# +# Version of 2008.11.14. +# +# Written in 2005 and 2006 by Peter Pearson and placed in the public domain. +# Revision history: +# 2008.11.14: Use pow(base, exponent, modulus) for modular_exp. +# Make gcd and lcm accept arbitrarly many arguments. + +from __future__ import division + +import sys +from six import integer_types, PY2 +from six.moves import reduce + +try: + xrange +except NameError: + xrange = range +try: + from gmpy2 import powmod + + GMPY2 = True + GMPY = False +except ImportError: + GMPY2 = False + try: + from gmpy import mpz + + GMPY = True + except ImportError: + GMPY = False + +import math +import warnings + + +class Error(Exception): + """Base class for exceptions in this module.""" + + pass + + +class SquareRootError(Error): + pass + + +class NegativeExponentError(Error): + pass + + +def modular_exp(base, exponent, modulus): # pragma: no cover + """Raise base to exponent, reducing by modulus""" + # deprecated in 0.14 + warnings.warn( + "Function is unused in library code. If you use this code, " + "change to pow() builtin.", + DeprecationWarning, + ) + if exponent < 0: + raise NegativeExponentError( + "Negative exponents (%d) not allowed" % exponent + ) + return pow(base, exponent, modulus) + + +def polynomial_reduce_mod(poly, polymod, p): + """Reduce poly by polymod, integer arithmetic modulo p. + + Polynomials are represented as lists of coefficients + of increasing powers of x.""" + + # This module has been tested only by extensive use + # in calculating modular square roots. + + # Just to make this easy, require a monic polynomial: + assert polymod[-1] == 1 + + assert len(polymod) > 1 + + while len(poly) >= len(polymod): + if poly[-1] != 0: + for i in xrange(2, len(polymod) + 1): + poly[-i] = (poly[-i] - poly[-1] * polymod[-i]) % p + poly = poly[0:-1] + + return poly + + +def polynomial_multiply_mod(m1, m2, polymod, p): + """Polynomial multiplication modulo a polynomial over ints mod p. + + Polynomials are represented as lists of coefficients + of increasing powers of x.""" + + # This is just a seat-of-the-pants implementation. + + # This module has been tested only by extensive use + # in calculating modular square roots. + + # Initialize the product to zero: + + prod = (len(m1) + len(m2) - 1) * [0] + + # Add together all the cross-terms: + + for i in xrange(len(m1)): + for j in xrange(len(m2)): + prod[i + j] = (prod[i + j] + m1[i] * m2[j]) % p + + return polynomial_reduce_mod(prod, polymod, p) + + +def polynomial_exp_mod(base, exponent, polymod, p): + """Polynomial exponentiation modulo a polynomial over ints mod p. + + Polynomials are represented as lists of coefficients + of increasing powers of x.""" + + # Based on the Handbook of Applied Cryptography, algorithm 2.227. + + # This module has been tested only by extensive use + # in calculating modular square roots. + + assert exponent < p + + if exponent == 0: + return [1] + + G = base + k = exponent + if k % 2 == 1: + s = G + else: + s = [1] + + while k > 1: + k = k // 2 + G = polynomial_multiply_mod(G, G, polymod, p) + if k % 2 == 1: + s = polynomial_multiply_mod(G, s, polymod, p) + + return s + + +def jacobi(a, n): + """Jacobi symbol""" + + # Based on the Handbook of Applied Cryptography (HAC), algorithm 2.149. + + # This function has been tested by comparison with a small + # table printed in HAC, and by extensive use in calculating + # modular square roots. + + assert n >= 3 + assert n % 2 == 1 + a = a % n + if a == 0: + return 0 + if a == 1: + return 1 + a1, e = a, 0 + while a1 % 2 == 0: + a1, e = a1 // 2, e + 1 + if e % 2 == 0 or n % 8 == 1 or n % 8 == 7: + s = 1 + else: + s = -1 + if a1 == 1: + return s + if n % 4 == 3 and a1 % 4 == 3: + s = -s + return s * jacobi(n % a1, a1) + + +def square_root_mod_prime(a, p): + """Modular square root of a, mod p, p prime.""" + + # Based on the Handbook of Applied Cryptography, algorithms 3.34 to 3.39. + + # This module has been tested for all values in [0,p-1] for + # every prime p from 3 to 1229. + + assert 0 <= a < p + assert 1 < p + + if a == 0: + return 0 + if p == 2: + return a + + jac = jacobi(a, p) + if jac == -1: + raise SquareRootError("%d has no square root modulo %d" % (a, p)) + + if p % 4 == 3: + return pow(a, (p + 1) // 4, p) + + if p % 8 == 5: + d = pow(a, (p - 1) // 4, p) + if d == 1: + return pow(a, (p + 3) // 8, p) + if d == p - 1: + return (2 * a * pow(4 * a, (p - 5) // 8, p)) % p + raise RuntimeError("Shouldn't get here.") + + if PY2: + # xrange on python2 can take integers representable as C long only + range_top = min(0x7FFFFFFF, p) + else: + range_top = p + for b in xrange(2, range_top): + if jacobi(b * b - 4 * a, p) == -1: + f = (a, -b, 1) + ff = polynomial_exp_mod((0, 1), (p + 1) // 2, f, p) + assert ff[1] == 0 + return ff[0] + raise RuntimeError("No b found.") + + +# because all the inverse_mod code is arch/environment specific, and coveralls +# expects it to execute equal number of times, we need to waive it by +# adding the "no branch" pragma to all branches +if GMPY2: # pragma: no branch + + def inverse_mod(a, m): + """Inverse of a mod m.""" + if a == 0: # pragma: no branch + return 0 + return powmod(a, -1, m) + + +elif GMPY: # pragma: no branch + + def inverse_mod(a, m): + """Inverse of a mod m.""" + # while libgmp does support inverses modulo, it is accessible + # only using the native `pow()` function, and `pow()` in gmpy sanity + # checks the parameters before passing them on to underlying + # implementation + if a == 0: # pragma: no branch + return 0 + a = mpz(a) + m = mpz(m) + + lm, hm = mpz(1), mpz(0) + low, high = a % m, m + while low > 1: # pragma: no branch + r = high // low + lm, low, hm, high = hm - lm * r, high - low * r, lm, low + + return lm % m + + +elif sys.version_info >= (3, 8): # pragma: no branch + + def inverse_mod(a, m): + """Inverse of a mod m.""" + if a == 0: # pragma: no branch + return 0 + return pow(a, -1, m) + + +else: # pragma: no branch + + def inverse_mod(a, m): + """Inverse of a mod m.""" + + if a == 0: # pragma: no branch + return 0 + + lm, hm = 1, 0 + low, high = a % m, m + while low > 1: # pragma: no branch + r = high // low + lm, low, hm, high = hm - lm * r, high - low * r, lm, low + + return lm % m + + +try: + gcd2 = math.gcd +except AttributeError: + + def gcd2(a, b): + """Greatest common divisor using Euclid's algorithm.""" + while a: + a, b = b % a, a + return b + + +def gcd(*a): + """Greatest common divisor. + + Usage: gcd([ 2, 4, 6 ]) + or: gcd(2, 4, 6) + """ + + if len(a) > 1: + return reduce(gcd2, a) + if hasattr(a[0], "__iter__"): + return reduce(gcd2, a[0]) + return a[0] + + +def lcm2(a, b): + """Least common multiple of two integers.""" + + return (a * b) // gcd(a, b) + + +def lcm(*a): + """Least common multiple. + + Usage: lcm([ 3, 4, 5 ]) + or: lcm(3, 4, 5) + """ + + if len(a) > 1: + return reduce(lcm2, a) + if hasattr(a[0], "__iter__"): + return reduce(lcm2, a[0]) + return a[0] + + +def factorization(n): + """Decompose n into a list of (prime,exponent) pairs.""" + + assert isinstance(n, integer_types) + + if n < 2: + return [] + + result = [] + + # Test the small primes: + + for d in smallprimes: + if d > n: + break + q, r = divmod(n, d) + if r == 0: + count = 1 + while d <= n: + n = q + q, r = divmod(n, d) + if r != 0: + break + count = count + 1 + result.append((d, count)) + + # If n is still greater than the last of our small primes, + # it may require further work: + + if n > smallprimes[-1]: + if is_prime(n): # If what's left is prime, it's easy: + result.append((n, 1)) + else: # Ugh. Search stupidly for a divisor: + d = smallprimes[-1] + while 1: + d = d + 2 # Try the next divisor. + q, r = divmod(n, d) + if q < d: # n < d*d means we're done, n = 1 or prime. + break + if r == 0: # d divides n. How many times? + count = 1 + n = q + while d <= n: # As long as d might still divide n, + q, r = divmod(n, d) # see if it does. + if r != 0: + break + n = q # It does. Reduce n, increase count. + count = count + 1 + result.append((d, count)) + if n > 1: + result.append((n, 1)) + + return result + + +def phi(n): # pragma: no cover + """Return the Euler totient function of n.""" + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + assert isinstance(n, integer_types) + + if n < 3: + return 1 + + result = 1 + ff = factorization(n) + for f in ff: + e = f[1] + if e > 1: + result = result * f[0] ** (e - 1) * (f[0] - 1) + else: + result = result * (f[0] - 1) + return result + + +def carmichael(n): # pragma: no cover + """Return Carmichael function of n. + + Carmichael(n) is the smallest integer x such that + m**x = 1 mod n for all m relatively prime to n. + """ + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + return carmichael_of_factorized(factorization(n)) + + +def carmichael_of_factorized(f_list): # pragma: no cover + """Return the Carmichael function of a number that is + represented as a list of (prime,exponent) pairs. + """ + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + if len(f_list) < 1: + return 1 + + result = carmichael_of_ppower(f_list[0]) + for i in xrange(1, len(f_list)): + result = lcm(result, carmichael_of_ppower(f_list[i])) + + return result + + +def carmichael_of_ppower(pp): # pragma: no cover + """Carmichael function of the given power of the given prime.""" + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + p, a = pp + if p == 2 and a > 2: + return 2 ** (a - 2) + else: + return (p - 1) * p ** (a - 1) + + +def order_mod(x, m): # pragma: no cover + """Return the order of x in the multiplicative group mod m.""" + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + # Warning: this implementation is not very clever, and will + # take a long time if m is very large. + + if m <= 1: + return 0 + + assert gcd(x, m) == 1 + + z = x + result = 1 + while z != 1: + z = (z * x) % m + result = result + 1 + return result + + +def largest_factor_relatively_prime(a, b): # pragma: no cover + """Return the largest factor of a relatively prime to b.""" + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + while 1: + d = gcd(a, b) + if d <= 1: + break + b = d + while 1: + q, r = divmod(a, d) + if r > 0: + break + a = q + return a + + +def kinda_order_mod(x, m): # pragma: no cover + """Return the order of x in the multiplicative group mod m', + where m' is the largest factor of m relatively prime to x. + """ + # deprecated in 0.14 + warnings.warn( + "Function is unused by library code. If you use this code, " + "please open an issue in " + "https://github.com/tlsfuzzer/python-ecdsa", + DeprecationWarning, + ) + + return order_mod(x, largest_factor_relatively_prime(m, x)) + + +def is_prime(n): + """Return True if x is prime, False otherwise. + + We use the Miller-Rabin test, as given in Menezes et al. p. 138. + This test is not exact: there are composite values n for which + it returns True. + + In testing the odd numbers from 10000001 to 19999999, + about 66 composites got past the first test, + 5 got past the second test, and none got past the third. + Since factors of 2, 3, 5, 7, and 11 were detected during + preliminary screening, the number of numbers tested by + Miller-Rabin was (19999999 - 10000001)*(2/3)*(4/5)*(6/7) + = 4.57 million. + """ + + # (This is used to study the risk of false positives:) + global miller_rabin_test_count + + miller_rabin_test_count = 0 + + if n <= smallprimes[-1]: + if n in smallprimes: + return True + else: + return False + + if gcd(n, 2 * 3 * 5 * 7 * 11) != 1: + return False + + # Choose a number of iterations sufficient to reduce the + # probability of accepting a composite below 2**-80 + # (from Menezes et al. Table 4.4): + + t = 40 + n_bits = 1 + int(math.log(n, 2)) + for k, tt in ( + (100, 27), + (150, 18), + (200, 15), + (250, 12), + (300, 9), + (350, 8), + (400, 7), + (450, 6), + (550, 5), + (650, 4), + (850, 3), + (1300, 2), + ): + if n_bits < k: + break + t = tt + + # Run the test t times: + + s = 0 + r = n - 1 + while (r % 2) == 0: + s = s + 1 + r = r // 2 + for i in xrange(t): + a = smallprimes[i] + y = pow(a, r, n) + if y != 1 and y != n - 1: + j = 1 + while j <= s - 1 and y != n - 1: + y = pow(y, 2, n) + if y == 1: + miller_rabin_test_count = i + 1 + return False + j = j + 1 + if y != n - 1: + miller_rabin_test_count = i + 1 + return False + return True + + +def next_prime(starting_value): + """Return the smallest prime larger than the starting value.""" + + if starting_value < 2: + return 2 + result = (starting_value + 1) | 1 + while not is_prime(result): + result = result + 2 + return result + + +smallprimes = [ + 2, + 3, + 5, + 7, + 11, + 13, + 17, + 19, + 23, + 29, + 31, + 37, + 41, + 43, + 47, + 53, + 59, + 61, + 67, + 71, + 73, + 79, + 83, + 89, + 97, + 101, + 103, + 107, + 109, + 113, + 127, + 131, + 137, + 139, + 149, + 151, + 157, + 163, + 167, + 173, + 179, + 181, + 191, + 193, + 197, + 199, + 211, + 223, + 227, + 229, + 233, + 239, + 241, + 251, + 257, + 263, + 269, + 271, + 277, + 281, + 283, + 293, + 307, + 311, + 313, + 317, + 331, + 337, + 347, + 349, + 353, + 359, + 367, + 373, + 379, + 383, + 389, + 397, + 401, + 409, + 419, + 421, + 431, + 433, + 439, + 443, + 449, + 457, + 461, + 463, + 467, + 479, + 487, + 491, + 499, + 503, + 509, + 521, + 523, + 541, + 547, + 557, + 563, + 569, + 571, + 577, + 587, + 593, + 599, + 601, + 607, + 613, + 617, + 619, + 631, + 641, + 643, + 647, + 653, + 659, + 661, + 673, + 677, + 683, + 691, + 701, + 709, + 719, + 727, + 733, + 739, + 743, + 751, + 757, + 761, + 769, + 773, + 787, + 797, + 809, + 811, + 821, + 823, + 827, + 829, + 839, + 853, + 857, + 859, + 863, + 877, + 881, + 883, + 887, + 907, + 911, + 919, + 929, + 937, + 941, + 947, + 953, + 967, + 971, + 977, + 983, + 991, + 997, + 1009, + 1013, + 1019, + 1021, + 1031, + 1033, + 1039, + 1049, + 1051, + 1061, + 1063, + 1069, + 1087, + 1091, + 1093, + 1097, + 1103, + 1109, + 1117, + 1123, + 1129, + 1151, + 1153, + 1163, + 1171, + 1181, + 1187, + 1193, + 1201, + 1213, + 1217, + 1223, + 1229, +] + +miller_rabin_test_count = 0 diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/rfc6979.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/rfc6979.py new file mode 100644 index 0000000..1e577c0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/rfc6979.py @@ -0,0 +1,110 @@ +""" +RFC 6979: + Deterministic Usage of the Digital Signature Algorithm (DSA) and + Elliptic Curve Digital Signature Algorithm (ECDSA) + + http://tools.ietf.org/html/rfc6979 + +Many thanks to Coda Hale for his implementation in Go language: + https://github.com/codahale/rfc6979 +""" + +import hmac +from binascii import hexlify +from .util import number_to_string, number_to_string_crop, bit_length +from ._compat import hmac_compat + + +# bit_length was defined in this module previously so keep it for backwards +# compatibility, will need to deprecate and remove it later +__all__ = ["bit_length", "bits2int", "bits2octets", "generate_k"] + + +def bits2int(data, qlen): + x = int(hexlify(data), 16) + l = len(data) * 8 + + if l > qlen: + return x >> (l - qlen) + return x + + +def bits2octets(data, order): + z1 = bits2int(data, bit_length(order)) + z2 = z1 - order + + if z2 < 0: + z2 = z1 + + return number_to_string_crop(z2, order) + + +# https://tools.ietf.org/html/rfc6979#section-3.2 +def generate_k(order, secexp, hash_func, data, retry_gen=0, extra_entropy=b""): + """ + order - order of the DSA generator used in the signature + secexp - secure exponent (private key) in numeric form + hash_func - reference to the same hash function used for generating + hash + data - hash in binary form of the signing data + retry_gen - int - how many good 'k' values to skip before returning + extra_entropy - extra added data in binary form as per section-3.6 of + rfc6979 + """ + + qlen = bit_length(order) + holen = hash_func().digest_size + rolen = (qlen + 7) // 8 + bx = ( + hmac_compat(number_to_string(secexp, order)), + hmac_compat(bits2octets(data, order)), + hmac_compat(extra_entropy), + ) + + # Step B + v = b"\x01" * holen + + # Step C + k = b"\x00" * holen + + # Step D + + k = hmac.new(k, digestmod=hash_func) + k.update(v + b"\x00") + for i in bx: + k.update(i) + k = k.digest() + + # Step E + v = hmac.new(k, v, hash_func).digest() + + # Step F + k = hmac.new(k, digestmod=hash_func) + k.update(v + b"\x01") + for i in bx: + k.update(i) + k = k.digest() + + # Step G + v = hmac.new(k, v, hash_func).digest() + + # Step H + while True: + # Step H1 + t = b"" + + # Step H2 + while len(t) < rolen: + v = hmac.new(k, v, hash_func).digest() + t += v + + # Step H3 + secret = bits2int(t, qlen) + + if 1 <= secret < order: + if retry_gen <= 0: + return secret + retry_gen -= 1 + + k = hmac.new(k, v + b"\x00", hash_func).digest() + v = hmac.new(k, v, hash_func).digest() diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_curves.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_curves.py new file mode 100644 index 0000000..69990c9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_curves.py @@ -0,0 +1,310 @@ +try: + import unittest2 as unittest +except ImportError: + import unittest + +import base64 +import pytest +from .curves import Curve, NIST256p, curves, UnknownCurveError, PRIME_FIELD_OID +from .ellipticcurve import CurveFp, PointJacobi +from . import der +from .util import number_to_string + + +class TestParameterEncoding(unittest.TestCase): + @classmethod + def setUpClass(cls): + # minimal, but with cofactor (excludes seed when compared to + # OpenSSL output) + cls.base64_params = ( + "MIHgAgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP/////////" + "//////zBEBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12K" + "o6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsEQQRrF9Hy4SxCR/i85uVjpEDyd" + "wN9gS3rM6D0oTlF2JjClk/jQuL+Gn+bjufrSnwPnhYrzjNXazFezsu2QGg3v1H1" + "AiEA/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVECAQE=" + ) + + def test_from_pem(self): + pem_params = ( + "-----BEGIN EC PARAMETERS-----\n" + "MIHgAgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP/////////\n" + "//////zBEBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12K\n" + "o6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsEQQRrF9Hy4SxCR/i85uVjpEDyd\n" + "wN9gS3rM6D0oTlF2JjClk/jQuL+Gn+bjufrSnwPnhYrzjNXazFezsu2QGg3v1H1\n" + "AiEA/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVECAQE=\n" + "-----END EC PARAMETERS-----\n" + ) + curve = Curve.from_pem(pem_params) + + self.assertIs(curve, NIST256p) + + def test_from_pem_with_explicit_when_explicit_disabled(self): + pem_params = ( + "-----BEGIN EC PARAMETERS-----\n" + "MIHgAgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP/////////\n" + "//////zBEBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12K\n" + "o6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsEQQRrF9Hy4SxCR/i85uVjpEDyd\n" + "wN9gS3rM6D0oTlF2JjClk/jQuL+Gn+bjufrSnwPnhYrzjNXazFezsu2QGg3v1H1\n" + "AiEA/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVECAQE=\n" + "-----END EC PARAMETERS-----\n" + ) + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_pem(pem_params, ["named_curve"]) + + self.assertIn("explicit curve parameters not", str(e.exception)) + + def test_from_pem_with_named_curve_with_named_curve_disabled(self): + pem_params = ( + "-----BEGIN EC PARAMETERS-----\n" + "BggqhkjOPQMBBw==\n" + "-----END EC PARAMETERS-----\n" + ) + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_pem(pem_params, ["explicit"]) + + self.assertIn("named_curve curve parameters not", str(e.exception)) + + def test_from_pem_with_wrong_header(self): + pem_params = ( + "-----BEGIN PARAMETERS-----\n" + "MIHgAgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP/////////\n" + "//////zBEBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12K\n" + "o6k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsEQQRrF9Hy4SxCR/i85uVjpEDyd\n" + "wN9gS3rM6D0oTlF2JjClk/jQuL+Gn+bjufrSnwPnhYrzjNXazFezsu2QGg3v1H1\n" + "AiEA/////wAAAAD//////////7zm+q2nF56E87nKwvxjJVECAQE=\n" + "-----END PARAMETERS-----\n" + ) + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_pem(pem_params) + + self.assertIn("PARAMETERS PEM header", str(e.exception)) + + def test_to_pem(self): + pem_params = ( + b"-----BEGIN EC PARAMETERS-----\n" + b"BggqhkjOPQMBBw==\n" + b"-----END EC PARAMETERS-----\n" + ) + encoding = NIST256p.to_pem() + + self.assertEqual(pem_params, encoding) + + def test_compare_with_different_object(self): + self.assertNotEqual(NIST256p, 256) + + def test_named_curve_params_der(self): + encoded = NIST256p.to_der() + + # just the encoding of the NIST256p OID (prime256v1) + self.assertEqual(b"\x06\x08\x2a\x86\x48\xce\x3d\x03\x01\x07", encoded) + + def test_verify_that_default_is_named_curve_der(self): + encoded_default = NIST256p.to_der() + encoded_named = NIST256p.to_der("named_curve") + + self.assertEqual(encoded_default, encoded_named) + + def test_encoding_to_explicit_params(self): + encoded = NIST256p.to_der("explicit") + + self.assertEqual(encoded, bytes(base64.b64decode(self.base64_params))) + + def test_encoding_to_explicit_compressed_params(self): + encoded = NIST256p.to_der("explicit", "compressed") + + compressed_base_point = ( + "MIHAAgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP//////////" + "/////zBEBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12Ko6" + "k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsEIQNrF9Hy4SxCR/i85uVjpEDydwN9" + "gS3rM6D0oTlF2JjClgIhAP////8AAAAA//////////+85vqtpxeehPO5ysL8YyVR" + "AgEB" + ) + + self.assertEqual( + encoded, bytes(base64.b64decode(compressed_base_point)) + ) + + def test_decoding_explicit_from_openssl(self): + # generated with openssl 1.1.1k using + # openssl ecparam -name P-256 -param_enc explicit -out /tmp/file.pem + p256_explicit = ( + "MIH3AgEBMCwGByqGSM49AQECIQD/////AAAAAQAAAAAAAAAAAAAAAP//////////" + "/////zBbBCD/////AAAAAQAAAAAAAAAAAAAAAP///////////////AQgWsY12Ko6" + "k+ez671VdpiGvGUdBrDMU7D2O848PifSYEsDFQDEnTYIhucEk2pmeOETnSa3gZ9+" + "kARBBGsX0fLhLEJH+Lzm5WOkQPJ3A32BLeszoPShOUXYmMKWT+NC4v4af5uO5+tK" + "fA+eFivOM1drMV7Oy7ZAaDe/UfUCIQD/////AAAAAP//////////vOb6racXnoTz" + "ucrC/GMlUQIBAQ==" + ) + + decoded = Curve.from_der(bytes(base64.b64decode(p256_explicit))) + + self.assertEqual(NIST256p, decoded) + + def test_decoding_well_known_from_explicit_params(self): + curve = Curve.from_der(bytes(base64.b64decode(self.base64_params))) + + self.assertIs(curve, NIST256p) + + def test_decoding_with_incorrect_valid_encodings(self): + with self.assertRaises(ValueError) as e: + Curve.from_der(b"", ["explicitCA"]) + + self.assertIn("Only named_curve", str(e.exception)) + + def test_compare_curves_with_different_generators(self): + curve_fp = CurveFp(23, 1, 7) + base_a = PointJacobi(curve_fp, 13, 3, 1, 9, generator=True) + base_b = PointJacobi(curve_fp, 1, 20, 1, 9, generator=True) + + curve_a = Curve("unknown", curve_fp, base_a, None) + curve_b = Curve("unknown", curve_fp, base_b, None) + + self.assertNotEqual(curve_a, curve_b) + + def test_default_encode_for_custom_curve(self): + curve_fp = CurveFp(23, 1, 7) + base_point = PointJacobi(curve_fp, 13, 3, 1, 9, generator=True) + + curve = Curve("unknown", curve_fp, base_point, None) + + encoded = curve.to_der() + + decoded = Curve.from_der(encoded) + + self.assertEqual(curve, decoded) + + expected = "MCECAQEwDAYHKoZIzj0BAQIBFzAGBAEBBAEHBAMEDQMCAQk=" + + self.assertEqual(encoded, bytes(base64.b64decode(expected))) + + def test_named_curve_encode_for_custom_curve(self): + curve_fp = CurveFp(23, 1, 7) + base_point = PointJacobi(curve_fp, 13, 3, 1, 9, generator=True) + + curve = Curve("unknown", curve_fp, base_point, None) + + with self.assertRaises(UnknownCurveError) as e: + curve.to_der("named_curve") + + self.assertIn("Can't encode curve", str(e.exception)) + + def test_try_decoding_binary_explicit(self): + sect113r1_explicit = ( + "MIGRAgEBMBwGByqGSM49AQIwEQIBcQYJKoZIzj0BAgMCAgEJMDkEDwAwiCUMpufH" + "/mSc6Fgg9wQPAOi+5NPiJgdEGIvg6ccjAxUAEOcjqxTWluZ2h1YVF1b+v4/LSakE" + "HwQAnXNhbzX0qxQH1zViwQ8ApSgwJ3lY7oTRMV7TGIYCDwEAAAAAAAAA2czsijnl" + "bwIBAg==" + ) + + with self.assertRaises(UnknownCurveError) as e: + Curve.from_der(base64.b64decode(sect113r1_explicit)) + + self.assertIn("Characteristic 2 curves unsupported", str(e.exception)) + + def test_decode_malformed_named_curve(self): + bad_der = der.encode_oid(*NIST256p.oid) + der.encode_integer(1) + + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_der(bad_der) + + self.assertIn("Unexpected data after OID", str(e.exception)) + + def test_decode_malformed_explicit_garbage_after_ECParam(self): + bad_der = bytes( + base64.b64decode(self.base64_params) + ) + der.encode_integer(1) + + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_der(bad_der) + + self.assertIn("Unexpected data after ECParameters", str(e.exception)) + + def test_decode_malformed_unknown_version_number(self): + bad_der = der.encode_sequence(der.encode_integer(2)) + + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_der(bad_der) + + self.assertIn("Unknown parameter encoding format", str(e.exception)) + + def test_decode_malformed_unknown_field_type(self): + curve_p = NIST256p.curve.p() + bad_der = der.encode_sequence( + der.encode_integer(1), + der.encode_sequence( + der.encode_oid(1, 2, 3), der.encode_integer(curve_p) + ), + der.encode_sequence( + der.encode_octet_string( + number_to_string(NIST256p.curve.a() % curve_p, curve_p) + ), + der.encode_octet_string( + number_to_string(NIST256p.curve.b(), curve_p) + ), + ), + der.encode_octet_string( + NIST256p.generator.to_bytes("uncompressed") + ), + der.encode_integer(NIST256p.generator.order()), + ) + + with self.assertRaises(UnknownCurveError) as e: + Curve.from_der(bad_der) + + self.assertIn("Unknown field type: (1, 2, 3)", str(e.exception)) + + def test_decode_malformed_garbage_after_prime(self): + curve_p = NIST256p.curve.p() + bad_der = der.encode_sequence( + der.encode_integer(1), + der.encode_sequence( + der.encode_oid(*PRIME_FIELD_OID), + der.encode_integer(curve_p), + der.encode_integer(1), + ), + der.encode_sequence( + der.encode_octet_string( + number_to_string(NIST256p.curve.a() % curve_p, curve_p) + ), + der.encode_octet_string( + number_to_string(NIST256p.curve.b(), curve_p) + ), + ), + der.encode_octet_string( + NIST256p.generator.to_bytes("uncompressed") + ), + der.encode_integer(NIST256p.generator.order()), + ) + + with self.assertRaises(der.UnexpectedDER) as e: + Curve.from_der(bad_der) + + self.assertIn("Prime-p element", str(e.exception)) + + +@pytest.mark.parametrize("curve", curves, ids=[i.name for i in curves]) +def test_curve_params_encode_decode_named(curve): + ret = Curve.from_der(curve.to_der("named_curve")) + + assert curve == ret + + +@pytest.mark.parametrize("curve", curves, ids=[i.name for i in curves]) +def test_curve_params_encode_decode_explicit(curve): + ret = Curve.from_der(curve.to_der("explicit")) + + assert curve == ret + + +@pytest.mark.parametrize("curve", curves, ids=[i.name for i in curves]) +def test_curve_params_encode_decode_default(curve): + ret = Curve.from_der(curve.to_der()) + + assert curve == ret + + +@pytest.mark.parametrize("curve", curves, ids=[i.name for i in curves]) +def test_curve_params_encode_decode_explicit_compressed(curve): + ret = Curve.from_der(curve.to_der("explicit", "compressed")) + + assert curve == ret diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_der.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_der.py new file mode 100644 index 0000000..5d00ba6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_der.py @@ -0,0 +1,476 @@ +# compatibility with Python 2.6, for that we need unittest2 package, +# which is not available on 3.3 or 3.4 +import warnings +from binascii import hexlify + +try: + import unittest2 as unittest +except ImportError: + import unittest +from six import b +import hypothesis.strategies as st +from hypothesis import given +import pytest +from ._compat import str_idx_as_int +from .curves import NIST256p, NIST224p +from .der import ( + remove_integer, + UnexpectedDER, + read_length, + encode_bitstring, + remove_bitstring, + remove_object, + encode_oid, + remove_constructed, + remove_octet_string, + remove_sequence, +) + + +class TestRemoveInteger(unittest.TestCase): + # DER requires the integers to be 0-padded only if they would be + # interpreted as negative, check if those errors are detected + def test_non_minimal_encoding(self): + with self.assertRaises(UnexpectedDER): + remove_integer(b("\x02\x02\x00\x01")) + + def test_negative_with_high_bit_set(self): + with self.assertRaises(UnexpectedDER): + remove_integer(b("\x02\x01\x80")) + + def test_minimal_with_high_bit_set(self): + val, rem = remove_integer(b("\x02\x02\x00\x80")) + + self.assertEqual(val, 0x80) + self.assertEqual(rem, b"") + + def test_two_zero_bytes_with_high_bit_set(self): + with self.assertRaises(UnexpectedDER): + remove_integer(b("\x02\x03\x00\x00\xff")) + + def test_zero_length_integer(self): + with self.assertRaises(UnexpectedDER): + remove_integer(b("\x02\x00")) + + def test_empty_string(self): + with self.assertRaises(UnexpectedDER): + remove_integer(b("")) + + def test_encoding_of_zero(self): + val, rem = remove_integer(b("\x02\x01\x00")) + + self.assertEqual(val, 0) + self.assertEqual(rem, b"") + + def test_encoding_of_127(self): + val, rem = remove_integer(b("\x02\x01\x7f")) + + self.assertEqual(val, 127) + self.assertEqual(rem, b"") + + def test_encoding_of_128(self): + val, rem = remove_integer(b("\x02\x02\x00\x80")) + + self.assertEqual(val, 128) + self.assertEqual(rem, b"") + + def test_wrong_tag(self): + with self.assertRaises(UnexpectedDER) as e: + remove_integer(b"\x01\x02\x00\x80") + + self.assertIn("wanted type 'integer'", str(e.exception)) + + def test_wrong_length(self): + with self.assertRaises(UnexpectedDER) as e: + remove_integer(b"\x02\x03\x00\x80") + + self.assertIn("Length longer", str(e.exception)) + + +class TestReadLength(unittest.TestCase): + # DER requires the lengths between 0 and 127 to be encoded using the short + # form and lengths above that encoded with minimal number of bytes + # necessary + def test_zero_length(self): + self.assertEqual((0, 1), read_length(b("\x00"))) + + def test_two_byte_zero_length(self): + with self.assertRaises(UnexpectedDER): + read_length(b("\x81\x00")) + + def test_two_byte_small_length(self): + with self.assertRaises(UnexpectedDER): + read_length(b("\x81\x7f")) + + def test_long_form_with_zero_length(self): + with self.assertRaises(UnexpectedDER): + read_length(b("\x80")) + + def test_smallest_two_byte_length(self): + self.assertEqual((128, 2), read_length(b("\x81\x80"))) + + def test_zero_padded_length(self): + with self.assertRaises(UnexpectedDER): + read_length(b("\x82\x00\x80")) + + def test_two_three_byte_length(self): + self.assertEqual((256, 3), read_length(b"\x82\x01\x00")) + + def test_empty_string(self): + with self.assertRaises(UnexpectedDER): + read_length(b("")) + + def test_length_overflow(self): + with self.assertRaises(UnexpectedDER): + read_length(b("\x83\x01\x00")) + + +class TestEncodeBitstring(unittest.TestCase): + # DER requires BIT STRINGS to include a number of padding bits in the + # encoded byte string, that padding must be between 0 and 7 + + def test_old_call_convention(self): + """This is the old way to use the function.""" + warnings.simplefilter("always") + with pytest.warns(DeprecationWarning) as warns: + der = encode_bitstring(b"\x00\xff") + + self.assertEqual(len(warns), 1) + self.assertIn( + "unused= needs to be specified", warns[0].message.args[0] + ) + + self.assertEqual(der, b"\x03\x02\x00\xff") + + def test_new_call_convention(self): + """This is how it should be called now.""" + warnings.simplefilter("always") + with pytest.warns(None) as warns: + der = encode_bitstring(b"\xff", 0) + + # verify that new call convention doesn't raise Warnings + self.assertEqual(len(warns), 0) + + self.assertEqual(der, b"\x03\x02\x00\xff") + + def test_implicit_unused_bits(self): + """ + Writing bit string with already included the number of unused bits. + """ + warnings.simplefilter("always") + with pytest.warns(None) as warns: + der = encode_bitstring(b"\x00\xff", None) + + # verify that new call convention doesn't raise Warnings + self.assertEqual(len(warns), 0) + + self.assertEqual(der, b"\x03\x02\x00\xff") + + def test_explicit_unused_bits(self): + der = encode_bitstring(b"\xff\xf0", 4) + + self.assertEqual(der, b"\x03\x03\x04\xff\xf0") + + def test_empty_string(self): + self.assertEqual(encode_bitstring(b"", 0), b"\x03\x01\x00") + + def test_invalid_unused_count(self): + with self.assertRaises(ValueError): + encode_bitstring(b"\xff\x00", 8) + + def test_invalid_unused_with_empty_string(self): + with self.assertRaises(ValueError): + encode_bitstring(b"", 1) + + def test_non_zero_padding_bits(self): + with self.assertRaises(ValueError): + encode_bitstring(b"\xff", 2) + + +class TestRemoveBitstring(unittest.TestCase): + def test_old_call_convention(self): + """This is the old way to call the function.""" + warnings.simplefilter("always") + with pytest.warns(DeprecationWarning) as warns: + bits, rest = remove_bitstring(b"\x03\x02\x00\xff") + + self.assertEqual(len(warns), 1) + self.assertIn( + "expect_unused= needs to be specified", warns[0].message.args[0] + ) + + self.assertEqual(bits, b"\x00\xff") + self.assertEqual(rest, b"") + + def test_new_call_convention(self): + warnings.simplefilter("always") + with pytest.warns(None) as warns: + bits, rest = remove_bitstring(b"\x03\x02\x00\xff", 0) + + self.assertEqual(len(warns), 0) + + self.assertEqual(bits, b"\xff") + self.assertEqual(rest, b"") + + def test_implicit_unexpected_unused(self): + warnings.simplefilter("always") + with pytest.warns(None) as warns: + bits, rest = remove_bitstring(b"\x03\x02\x00\xff", None) + + self.assertEqual(len(warns), 0) + + self.assertEqual(bits, (b"\xff", 0)) + self.assertEqual(rest, b"") + + def test_with_padding(self): + ret, rest = remove_bitstring(b"\x03\x02\x04\xf0", None) + + self.assertEqual(ret, (b"\xf0", 4)) + self.assertEqual(rest, b"") + + def test_not_a_bitstring(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x02\x02\x00\xff", None) + + def test_empty_encoding(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03\x00", None) + + def test_empty_string(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"", None) + + def test_no_length(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03", None) + + def test_unexpected_number_of_unused_bits(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03\x02\x00\xff", 1) + + def test_invalid_encoding_of_unused_bits(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03\x03\x08\xff\x00", None) + + def test_invalid_encoding_of_empty_string(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03\x01\x01", None) + + def test_invalid_padding_bits(self): + with self.assertRaises(UnexpectedDER): + remove_bitstring(b"\x03\x02\x01\xff", None) + + +class TestStrIdxAsInt(unittest.TestCase): + def test_str(self): + self.assertEqual(115, str_idx_as_int("str", 0)) + + def test_bytes(self): + self.assertEqual(115, str_idx_as_int(b"str", 0)) + + def test_bytearray(self): + self.assertEqual(115, str_idx_as_int(bytearray(b"str"), 0)) + + +class TestEncodeOid(unittest.TestCase): + def test_pub_key_oid(self): + oid_ecPublicKey = encode_oid(1, 2, 840, 10045, 2, 1) + self.assertEqual(hexlify(oid_ecPublicKey), b("06072a8648ce3d0201")) + + def test_nist224p_oid(self): + self.assertEqual(hexlify(NIST224p.encoded_oid), b("06052b81040021")) + + def test_nist256p_oid(self): + self.assertEqual( + hexlify(NIST256p.encoded_oid), b"06082a8648ce3d030107" + ) + + def test_large_second_subid(self): + # from X.690, section 8.19.5 + oid = encode_oid(2, 999, 3) + self.assertEqual(oid, b"\x06\x03\x88\x37\x03") + + def test_with_two_subids(self): + oid = encode_oid(2, 999) + self.assertEqual(oid, b"\x06\x02\x88\x37") + + def test_zero_zero(self): + oid = encode_oid(0, 0) + self.assertEqual(oid, b"\x06\x01\x00") + + def test_with_wrong_types(self): + with self.assertRaises((TypeError, AssertionError)): + encode_oid(0, None) + + def test_with_small_first_large_second(self): + with self.assertRaises(AssertionError): + encode_oid(1, 40) + + def test_small_first_max_second(self): + oid = encode_oid(1, 39) + self.assertEqual(oid, b"\x06\x01\x4f") + + def test_with_invalid_first(self): + with self.assertRaises(AssertionError): + encode_oid(3, 39) + + +class TestRemoveObject(unittest.TestCase): + @classmethod + def setUpClass(cls): + cls.oid_ecPublicKey = encode_oid(1, 2, 840, 10045, 2, 1) + + def test_pub_key_oid(self): + oid, rest = remove_object(self.oid_ecPublicKey) + self.assertEqual(rest, b"") + self.assertEqual(oid, (1, 2, 840, 10045, 2, 1)) + + def test_with_extra_bytes(self): + oid, rest = remove_object(self.oid_ecPublicKey + b"more") + self.assertEqual(rest, b"more") + self.assertEqual(oid, (1, 2, 840, 10045, 2, 1)) + + def test_with_large_second_subid(self): + # from X.690, section 8.19.5 + oid, rest = remove_object(b"\x06\x03\x88\x37\x03") + self.assertEqual(rest, b"") + self.assertEqual(oid, (2, 999, 3)) + + def test_with_padded_first_subid(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x02\x80\x00") + + def test_with_padded_second_subid(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x04\x88\x37\x80\x01") + + def test_with_missing_last_byte_of_multi_byte(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x03\x88\x37\x83") + + def test_with_two_subids(self): + oid, rest = remove_object(b"\x06\x02\x88\x37") + self.assertEqual(rest, b"") + self.assertEqual(oid, (2, 999)) + + def test_zero_zero(self): + oid, rest = remove_object(b"\x06\x01\x00") + self.assertEqual(rest, b"") + self.assertEqual(oid, (0, 0)) + + def test_empty_string(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"") + + def test_missing_length(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06") + + def test_empty_oid(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x00") + + def test_empty_oid_overflow(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x01") + + def test_with_wrong_type(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x04\x02\x88\x37") + + def test_with_too_long_length(self): + with self.assertRaises(UnexpectedDER): + remove_object(b"\x06\x03\x88\x37") + + +class TestRemoveConstructed(unittest.TestCase): + def test_simple(self): + data = b"\xa1\x02\xff\xaa" + + tag, body, rest = remove_constructed(data) + + self.assertEqual(tag, 0x01) + self.assertEqual(body, b"\xff\xaa") + self.assertEqual(rest, b"") + + def test_with_malformed_tag(self): + data = b"\x01\x02\xff\xaa" + + with self.assertRaises(UnexpectedDER) as e: + remove_constructed(data) + + self.assertIn("constructed tag", str(e.exception)) + + +class TestRemoveOctetString(unittest.TestCase): + def test_simple(self): + data = b"\x04\x03\xaa\xbb\xcc" + body, rest = remove_octet_string(data) + self.assertEqual(body, b"\xaa\xbb\xcc") + self.assertEqual(rest, b"") + + def test_with_malformed_tag(self): + data = b"\x03\x03\xaa\xbb\xcc" + with self.assertRaises(UnexpectedDER) as e: + remove_octet_string(data) + + self.assertIn("octetstring", str(e.exception)) + + +class TestRemoveSequence(unittest.TestCase): + def test_simple(self): + data = b"\x30\x02\xff\xaa" + body, rest = remove_sequence(data) + self.assertEqual(body, b"\xff\xaa") + self.assertEqual(rest, b"") + + def test_with_empty_string(self): + with self.assertRaises(UnexpectedDER) as e: + remove_sequence(b"") + + self.assertIn("Empty string", str(e.exception)) + + def test_with_wrong_tag(self): + data = b"\x20\x02\xff\xaa" + + with self.assertRaises(UnexpectedDER) as e: + remove_sequence(data) + + self.assertIn("wanted type 'sequence'", str(e.exception)) + + def test_with_wrong_length(self): + data = b"\x30\x03\xff\xaa" + + with self.assertRaises(UnexpectedDER) as e: + remove_sequence(data) + + self.assertIn("Length longer", str(e.exception)) + + +@st.composite +def st_oid(draw, max_value=2 ** 512, max_size=50): + """ + Hypothesis strategy that returns valid OBJECT IDENTIFIERs as tuples + + :param max_value: maximum value of any single sub-identifier + :param max_size: maximum length of the generated OID + """ + first = draw(st.integers(min_value=0, max_value=2)) + if first < 2: + second = draw(st.integers(min_value=0, max_value=39)) + else: + second = draw(st.integers(min_value=0, max_value=max_value)) + rest = draw( + st.lists( + st.integers(min_value=0, max_value=max_value), max_size=max_size + ) + ) + return (first, second) + tuple(rest) + + +@given(st_oid()) +def test_oids(ids): + encoded_oid = encode_oid(*ids) + decoded_oid, rest = remove_object(encoded_oid) + assert rest == b"" + assert decoded_oid == ids diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdh.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdh.py new file mode 100644 index 0000000..62d35c8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdh.py @@ -0,0 +1,431 @@ +import os +import shutil +import subprocess +import pytest +from binascii import unhexlify + +try: + import unittest2 as unittest +except ImportError: + import unittest + +from .curves import ( + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + BRAINPOOLP160r1, +) +from .curves import curves +from .ecdh import ( + ECDH, + InvalidCurveError, + InvalidSharedSecretError, + NoKeyError, + NoCurveError, +) +from .keys import SigningKey, VerifyingKey + + +@pytest.mark.parametrize( + "vcurve", curves, ids=[curve.name for curve in curves] +) +def test_ecdh_each(vcurve): + ecdh1 = ECDH(curve=vcurve) + ecdh2 = ECDH(curve=vcurve) + + ecdh2.generate_private_key() + ecdh1.load_received_public_key(ecdh2.get_public_key()) + ecdh2.load_received_public_key(ecdh1.generate_private_key()) + + secret1 = ecdh1.generate_sharedsecret_bytes() + secret2 = ecdh2.generate_sharedsecret_bytes() + assert secret1 == secret2 + + +def test_ecdh_both_keys_present(): + key1 = SigningKey.generate(BRAINPOOLP160r1) + key2 = SigningKey.generate(BRAINPOOLP160r1) + + ecdh1 = ECDH(BRAINPOOLP160r1, key1, key2.verifying_key) + ecdh2 = ECDH(private_key=key2, public_key=key1.verifying_key) + + secret1 = ecdh1.generate_sharedsecret_bytes() + secret2 = ecdh2.generate_sharedsecret_bytes() + + assert secret1 == secret2 + + +def test_ecdh_no_public_key(): + ecdh1 = ECDH(curve=NIST192p) + + with pytest.raises(NoKeyError): + ecdh1.generate_sharedsecret_bytes() + + ecdh1.generate_private_key() + + with pytest.raises(NoKeyError): + ecdh1.generate_sharedsecret_bytes() + + +class TestECDH(unittest.TestCase): + def test_load_key_from_wrong_curve(self): + ecdh1 = ECDH() + ecdh1.set_curve(NIST192p) + + key1 = SigningKey.generate(BRAINPOOLP160r1) + + with self.assertRaises(InvalidCurveError) as e: + ecdh1.load_private_key(key1) + + self.assertIn("Curve mismatch", str(e.exception)) + + def test_generate_without_curve(self): + ecdh1 = ECDH() + + with self.assertRaises(NoCurveError) as e: + ecdh1.generate_private_key() + + self.assertIn("Curve must be set", str(e.exception)) + + def test_load_bytes_without_curve_set(self): + ecdh1 = ECDH() + + with self.assertRaises(NoCurveError) as e: + ecdh1.load_private_key_bytes(b"\x01" * 32) + + self.assertIn("Curve must be set", str(e.exception)) + + def test_set_curve_from_received_public_key(self): + ecdh1 = ECDH() + + key1 = SigningKey.generate(BRAINPOOLP160r1) + + ecdh1.load_received_public_key(key1.verifying_key) + + self.assertEqual(ecdh1.curve, BRAINPOOLP160r1) + + +def test_ecdh_wrong_public_key_curve(): + ecdh1 = ECDH(curve=NIST192p) + ecdh1.generate_private_key() + ecdh2 = ECDH(curve=NIST256p) + ecdh2.generate_private_key() + + with pytest.raises(InvalidCurveError): + ecdh1.load_received_public_key(ecdh2.get_public_key()) + + with pytest.raises(InvalidCurveError): + ecdh2.load_received_public_key(ecdh1.get_public_key()) + + ecdh1.public_key = ecdh2.get_public_key() + ecdh2.public_key = ecdh1.get_public_key() + + with pytest.raises(InvalidCurveError): + ecdh1.generate_sharedsecret_bytes() + + with pytest.raises(InvalidCurveError): + ecdh2.generate_sharedsecret_bytes() + + +def test_ecdh_invalid_shared_secret_curve(): + ecdh1 = ECDH(curve=NIST256p) + ecdh1.generate_private_key() + + ecdh1.load_received_public_key( + SigningKey.generate(NIST256p).get_verifying_key() + ) + + ecdh1.private_key.privkey.secret_multiplier = ecdh1.private_key.curve.order + + with pytest.raises(InvalidSharedSecretError): + ecdh1.generate_sharedsecret_bytes() + + +# https://github.com/scogliani/ecc-test-vectors/blob/master/ecdh_kat/secp192r1.txt +# https://github.com/scogliani/ecc-test-vectors/blob/master/ecdh_kat/secp256r1.txt +# https://github.com/coruus/nist-testvectors/blob/master/csrc.nist.gov/groups/STM/cavp/documents/components/ecccdhtestvectors/KAS_ECC_CDH_PrimitiveTest.txt +@pytest.mark.parametrize( + "curve,privatekey,pubkey,secret", + [ + pytest.param( + NIST192p, + "f17d3fea367b74d340851ca4270dcb24c271f445bed9d527", + "42ea6dd9969dd2a61fea1aac7f8e98edcc896c6e55857cc0" + "dfbe5d7c61fac88b11811bde328e8a0d12bf01a9d204b523", + "803d8ab2e5b6e6fca715737c3a82f7ce3c783124f6d51cd0", + id="NIST192p-1", + ), + pytest.param( + NIST192p, + "56e853349d96fe4c442448dacb7cf92bb7a95dcf574a9bd5", + "deb5712fa027ac8d2f22c455ccb73a91e17b6512b5e030e7" + "7e2690a02cc9b28708431a29fb54b87b1f0c14e011ac2125", + "c208847568b98835d7312cef1f97f7aa298283152313c29d", + id="NIST192p-2", + ), + pytest.param( + NIST192p, + "c6ef61fe12e80bf56f2d3f7d0bb757394519906d55500949", + "4edaa8efc5a0f40f843663ec5815e7762dddc008e663c20f" + "0a9f8dc67a3e60ef6d64b522185d03df1fc0adfd42478279", + "87229107047a3b611920d6e3b2c0c89bea4f49412260b8dd", + id="NIST192p-3", + ), + pytest.param( + NIST192p, + "e6747b9c23ba7044f38ff7e62c35e4038920f5a0163d3cda", + "8887c276edeed3e9e866b46d58d895c73fbd80b63e382e88" + "04c5097ba6645e16206cfb70f7052655947dd44a17f1f9d5", + "eec0bed8fc55e1feddc82158fd6dc0d48a4d796aaf47d46c", + id="NIST192p-4", + ), + pytest.param( + NIST192p, + "beabedd0154a1afcfc85d52181c10f5eb47adc51f655047d", + "0d045f30254adc1fcefa8a5b1f31bf4e739dd327cd18d594" + "542c314e41427c08278a08ce8d7305f3b5b849c72d8aff73", + "716e743b1b37a2cd8479f0a3d5a74c10ba2599be18d7e2f4", + id="NIST192p-5", + ), + pytest.param( + NIST192p, + "cf70354226667321d6e2baf40999e2fd74c7a0f793fa8699", + "fb35ca20d2e96665c51b98e8f6eb3d79113508d8bccd4516" + "368eec0d5bfb847721df6aaff0e5d48c444f74bf9cd8a5a7", + "f67053b934459985a315cb017bf0302891798d45d0e19508", + id="NIST192p-6", + ), + pytest.param( + NIST224p, + "8346a60fc6f293ca5a0d2af68ba71d1dd389e5e40837942df3e43cbd", + "af33cd0629bc7e996320a3f40368f74de8704fa37b8fab69abaae280" + "882092ccbba7930f419a8a4f9bb16978bbc3838729992559a6f2e2d7", + "7d96f9a3bd3c05cf5cc37feb8b9d5209d5c2597464dec3e9983743e8", + id="NIST224p", + ), + pytest.param( + NIST256p, + "7d7dc5f71eb29ddaf80d6214632eeae03d9058af1fb6d22ed80badb62bc1a534", + "700c48f77f56584c5cc632ca65640db91b6bacce3a4df6b42ce7cc838833d287" + "db71e509e3fd9b060ddb20ba5c51dcc5948d46fbf640dfe0441782cab85fa4ac", + "46fc62106420ff012e54a434fbdd2d25ccc5852060561e68040dd7778997bd7b", + id="NIST256p-1", + ), + pytest.param( + NIST256p, + "38f65d6dce47676044d58ce5139582d568f64bb16098d179dbab07741dd5caf5", + "809f04289c64348c01515eb03d5ce7ac1a8cb9498f5caa50197e58d43a86a7ae" + "b29d84e811197f25eba8f5194092cb6ff440e26d4421011372461f579271cda3", + "057d636096cb80b67a8c038c890e887d1adfa4195e9b3ce241c8a778c59cda67", + id="NIST256p-2", + ), + pytest.param( + NIST256p, + "1accfaf1b97712b85a6f54b148985a1bdc4c9bec0bd258cad4b3d603f49f32c8", + "a2339c12d4a03c33546de533268b4ad667debf458b464d77443636440ee7fec3" + "ef48a3ab26e20220bcda2c1851076839dae88eae962869a497bf73cb66faf536", + "2d457b78b4614132477618a5b077965ec90730a8c81a1c75d6d4ec68005d67ec", + id="NIST256p-3", + ), + pytest.param( + NIST256p, + "207c43a79bfee03db6f4b944f53d2fb76cc49ef1c9c4d34d51b6c65c4db6932d", + "df3989b9fa55495719b3cf46dccd28b5153f7808191dd518eff0c3cff2b705ed" + "422294ff46003429d739a33206c8752552c8ba54a270defc06e221e0feaf6ac4", + "96441259534b80f6aee3d287a6bb17b5094dd4277d9e294f8fe73e48bf2a0024", + id="NIST256p-4", + ), + pytest.param( + NIST256p, + "59137e38152350b195c9718d39673d519838055ad908dd4757152fd8255c09bf", + "41192d2813e79561e6a1d6f53c8bc1a433a199c835e141b05a74a97b0faeb922" + "1af98cc45e98a7e041b01cf35f462b7562281351c8ebf3ffa02e33a0722a1328", + "19d44c8d63e8e8dd12c22a87b8cd4ece27acdde04dbf47f7f27537a6999a8e62", + id="NIST256p-5", + ), + pytest.param( + NIST256p, + "f5f8e0174610a661277979b58ce5c90fee6c9b3bb346a90a7196255e40b132ef", + "33e82092a0f1fb38f5649d5867fba28b503172b7035574bf8e5b7100a3052792" + "f2cf6b601e0a05945e335550bf648d782f46186c772c0f20d3cd0d6b8ca14b2f", + "664e45d5bba4ac931cd65d52017e4be9b19a515f669bea4703542a2c525cd3d3", + id="NIST256p-6", + ), + pytest.param( + NIST384p, + "3cc3122a68f0d95027ad38c067916ba0eb8c38894d22e1b1" + "5618b6818a661774ad463b205da88cf699ab4d43c9cf98a1", + "a7c76b970c3b5fe8b05d2838ae04ab47697b9eaf52e76459" + "2efda27fe7513272734466b400091adbf2d68c58e0c50066" + "ac68f19f2e1cb879aed43a9969b91a0839c4c38a49749b66" + "1efedf243451915ed0905a32b060992b468c64766fc8437a", + "5f9d29dc5e31a163060356213669c8ce132e22f57c9a04f4" + "0ba7fcead493b457e5621e766c40a2e3d4d6a04b25e533f1", + id="NIST384p", + ), + pytest.param( + NIST521p, + "017eecc07ab4b329068fba65e56a1f8890aa935e57134ae0ffcce802735151f4ea" + "c6564f6ee9974c5e6887a1fefee5743ae2241bfeb95d5ce31ddcb6f9edb4d6fc47", + "00685a48e86c79f0f0875f7bc18d25eb5fc8c0b07e5da4f4370f3a949034085433" + "4b1e1b87fa395464c60626124a4e70d0f785601d37c09870ebf176666877a2046d" + "01ba52c56fc8776d9e8f5db4f0cc27636d0b741bbe05400697942e80b739884a83" + "bde99e0f6716939e632bc8986fa18dccd443a348b6c3e522497955a4f3c302f676", + "005fc70477c3e63bc3954bd0df3ea0d1f41ee21746ed95fc5e1fdf90930d5e1366" + "72d72cc770742d1711c3c3a4c334a0ad9759436a4d3c5bf6e74b9578fac148c831", + id="NIST521p", + ), + ], +) +def test_ecdh_NIST(curve, privatekey, pubkey, secret): + ecdh = ECDH(curve=curve) + ecdh.load_private_key_bytes(unhexlify(privatekey)) + ecdh.load_received_public_key_bytes(unhexlify(pubkey)) + + sharedsecret = ecdh.generate_sharedsecret_bytes() + + assert sharedsecret == unhexlify(secret) + + +pem_local_private_key = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MF8CAQEEGF7IQgvW75JSqULpiQQ8op9WH6Uldw6xxaAKBggqhkjOPQMBAaE0AzIA\n" + "BLiBd9CE7xf15FY5QIAoNg+fWbSk1yZOYtoGUdzkejWkxbRc9RWTQjqLVXucIJnz\n" + "bA==\n" + "-----END EC PRIVATE KEY-----\n" +) +der_local_private_key = ( + "305f02010104185ec8420bd6ef9252a942e989043ca29f561fa525770eb1c5a00a06082a864" + "8ce3d030101a13403320004b88177d084ef17f5e45639408028360f9f59b4a4d7264e62da06" + "51dce47a35a4c5b45cf51593423a8b557b9c2099f36c" +) +pem_remote_public_key = ( + "-----BEGIN PUBLIC KEY-----\n" + "MEkwEwYHKoZIzj0CAQYIKoZIzj0DAQEDMgAEuIF30ITvF/XkVjlAgCg2D59ZtKTX\n" + "Jk5i2gZR3OR6NaTFtFz1FZNCOotVe5wgmfNs\n" + "-----END PUBLIC KEY-----\n" +) +der_remote_public_key = ( + "3049301306072a8648ce3d020106082a8648ce3d03010103320004b88177d084ef17f5e4563" + "9408028360f9f59b4a4d7264e62da0651dce47a35a4c5b45cf51593423a8b557b9c2099f36c" +) +gshared_secret = "8f457e34982478d1c34b9cd2d0c15911b72dd60d869e2cea" + + +def test_ecdh_pem(): + ecdh = ECDH() + ecdh.load_private_key_pem(pem_local_private_key) + ecdh.load_received_public_key_pem(pem_remote_public_key) + + sharedsecret = ecdh.generate_sharedsecret_bytes() + + assert sharedsecret == unhexlify(gshared_secret) + + +def test_ecdh_der(): + ecdh = ECDH() + ecdh.load_private_key_der(unhexlify(der_local_private_key)) + ecdh.load_received_public_key_der(unhexlify(der_remote_public_key)) + + sharedsecret = ecdh.generate_sharedsecret_bytes() + + assert sharedsecret == unhexlify(gshared_secret) + + +# Exception classes used by run_openssl. +class RunOpenSslError(Exception): + pass + + +def run_openssl(cmd): + OPENSSL = "openssl" + p = subprocess.Popen( + [OPENSSL] + cmd.split(), + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + ) + stdout, ignored = p.communicate() + if p.returncode != 0: + raise RunOpenSslError( + "cmd '%s %s' failed: rc=%s, stdout/err was %s" + % (OPENSSL, cmd, p.returncode, stdout) + ) + return stdout.decode() + + +OPENSSL_SUPPORTED_CURVES = set( + c.split(":")[0].strip() + for c in run_openssl("ecparam -list_curves").split("\n") +) + + +@pytest.mark.parametrize( + "vcurve", curves, ids=[curve.name for curve in curves] +) +def test_ecdh_with_openssl(vcurve): + assert vcurve.openssl_name + + if vcurve.openssl_name not in OPENSSL_SUPPORTED_CURVES: + pytest.skip("system openssl does not support " + vcurve.openssl_name) + + try: + hlp = run_openssl("pkeyutl -help") + if hlp.find("-derive") == 0: # pragma: no cover + pytest.skip("system openssl does not support `pkeyutl -derive`") + except RunOpenSslError: # pragma: no cover + pytest.skip("system openssl could not be executed") + + if os.path.isdir("t"): # pragma: no branch + shutil.rmtree("t") + os.mkdir("t") + run_openssl( + "ecparam -name %s -genkey -out t/privkey1.pem" % vcurve.openssl_name + ) + run_openssl( + "ecparam -name %s -genkey -out t/privkey2.pem" % vcurve.openssl_name + ) + run_openssl("ec -in t/privkey1.pem -pubout -out t/pubkey1.pem") + + ecdh1 = ECDH(curve=vcurve) + ecdh2 = ECDH(curve=vcurve) + with open("t/privkey1.pem") as e: + key = e.read() + ecdh1.load_private_key_pem(key) + with open("t/privkey2.pem") as e: + key = e.read() + ecdh2.load_private_key_pem(key) + + with open("t/pubkey1.pem") as e: + key = e.read() + vk1 = VerifyingKey.from_pem(key) + assert vk1.to_string() == ecdh1.get_public_key().to_string() + vk2 = ecdh2.get_public_key() + with open("t/pubkey2.pem", "wb") as e: + e.write(vk2.to_pem()) + + ecdh1.load_received_public_key(vk2) + ecdh2.load_received_public_key(vk1) + secret1 = ecdh1.generate_sharedsecret_bytes() + secret2 = ecdh2.generate_sharedsecret_bytes() + + assert secret1 == secret2 + + run_openssl( + "pkeyutl -derive -inkey t/privkey1.pem -peerkey t/pubkey2.pem -out t/secret1" + ) + run_openssl( + "pkeyutl -derive -inkey t/privkey2.pem -peerkey t/pubkey1.pem -out t/secret2" + ) + + with open("t/secret1", "rb") as e: + ssl_secret1 = e.read() + with open("t/secret1", "rb") as e: + ssl_secret2 = e.read() + + assert len(ssl_secret1) == vk1.curve.verifying_key_length // 2 + assert len(secret1) == vk1.curve.verifying_key_length // 2 + + assert ssl_secret1 == ssl_secret2 + assert secret1 == ssl_secret1 diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdsa.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdsa.py new file mode 100644 index 0000000..dbc4a6e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ecdsa.py @@ -0,0 +1,661 @@ +from __future__ import print_function +import sys +import hypothesis.strategies as st +from hypothesis import given, settings, note, example + +try: + import unittest2 as unittest +except ImportError: + import unittest +import pytest +from .ecdsa import ( + Private_key, + Public_key, + Signature, + generator_192, + digest_integer, + ellipticcurve, + point_is_valid, + generator_224, + generator_256, + generator_384, + generator_521, + generator_secp256k1, + curve_192, + InvalidPointError, + curve_112r2, + generator_112r2, + int_to_string, +) + + +HYP_SETTINGS = {} +# old hypothesis doesn't have the "deadline" setting +if sys.version_info > (2, 7): # pragma: no branch + # SEC521p is slow, allow long execution for it + HYP_SETTINGS["deadline"] = 5000 + + +class TestP192FromX9_62(unittest.TestCase): + """Check test vectors from X9.62""" + + @classmethod + def setUpClass(cls): + cls.d = 651056770906015076056810763456358567190100156695615665659 + cls.Q = cls.d * generator_192 + cls.k = 6140507067065001063065065565667405560006161556565665656654 + cls.R = cls.k * generator_192 + + cls.msg = 968236873715988614170569073515315707566766479517 + cls.pubk = Public_key(generator_192, generator_192 * cls.d) + cls.privk = Private_key(cls.pubk, cls.d) + cls.sig = cls.privk.sign(cls.msg, cls.k) + + def test_point_multiplication(self): + assert self.Q.x() == 0x62B12D60690CDCF330BABAB6E69763B471F994DD702D16A5 + + def test_point_multiplication_2(self): + assert self.R.x() == 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD + assert self.R.y() == 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835 + + def test_mult_and_addition(self): + u1 = 2563697409189434185194736134579731015366492496392189760599 + u2 = 6266643813348617967186477710235785849136406323338782220568 + temp = u1 * generator_192 + u2 * self.Q + assert temp.x() == 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD + assert temp.y() == 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835 + + def test_signature(self): + r, s = self.sig.r, self.sig.s + assert r == 3342403536405981729393488334694600415596881826869351677613 + assert s == 5735822328888155254683894997897571951568553642892029982342 + + def test_verification(self): + assert self.pubk.verifies(self.msg, self.sig) + + def test_rejection(self): + assert not self.pubk.verifies(self.msg - 1, self.sig) + + +class TestPublicKey(unittest.TestCase): + def test_equality_public_keys(self): + gen = generator_192 + x = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point = ellipticcurve.Point(gen.curve(), x, y) + pub_key1 = Public_key(gen, point) + pub_key2 = Public_key(gen, point) + self.assertEqual(pub_key1, pub_key2) + + def test_inequality_public_key(self): + gen = generator_192 + x1 = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y1 = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point1 = ellipticcurve.Point(gen.curve(), x1, y1) + + x2 = 0x6A223D00BD22C52833409A163E057E5B5DA1DEF2A197DD15 + y2 = 0x7B482604199367F1F303F9EF627F922F97023E90EAE08ABF + point2 = ellipticcurve.Point(gen.curve(), x2, y2) + + pub_key1 = Public_key(gen, point1) + pub_key2 = Public_key(gen, point2) + self.assertNotEqual(pub_key1, pub_key2) + + def test_inequality_different_curves(self): + gen = generator_192 + x1 = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y1 = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point1 = ellipticcurve.Point(gen.curve(), x1, y1) + + x2 = 0x722BA0FB6B8FC8898A4C6AB49E66 + y2 = 0x2B7344BB57A7ABC8CA0F1A398C7D + point2 = ellipticcurve.Point(generator_112r2.curve(), x2, y2) + + pub_key1 = Public_key(gen, point1) + pub_key2 = Public_key(generator_112r2, point2) + self.assertNotEqual(pub_key1, pub_key2) + + def test_inequality_public_key_not_implemented(self): + gen = generator_192 + x = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point = ellipticcurve.Point(gen.curve(), x, y) + pub_key = Public_key(gen, point) + self.assertNotEqual(pub_key, None) + + def test_public_key_with_generator_without_order(self): + gen = ellipticcurve.PointJacobi( + generator_192.curve(), generator_192.x(), generator_192.y(), 1 + ) + + x = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point = ellipticcurve.Point(gen.curve(), x, y) + + with self.assertRaises(InvalidPointError) as e: + Public_key(gen, point) + + self.assertIn("Generator point must have order", str(e.exception)) + + def test_public_point_on_curve_not_scalar_multiple_of_base_point(self): + x = 2 + y = 0xBE6AA4938EF7CFE6FE29595B6B00 + # we need a curve with cofactor != 1 + point = ellipticcurve.PointJacobi(curve_112r2, x, y, 1) + + self.assertTrue(curve_112r2.contains_point(x, y)) + + with self.assertRaises(InvalidPointError) as e: + Public_key(generator_112r2, point) + + self.assertIn("Generator point order", str(e.exception)) + + def test_point_is_valid_with_not_scalar_multiple_of_base_point(self): + x = 2 + y = 0xBE6AA4938EF7CFE6FE29595B6B00 + + self.assertFalse(point_is_valid(generator_112r2, x, y)) + + # the tests to verify the extensiveness of tests in ecdsa.ecdsa + # if PointJacobi gets modified to calculate the x and y mod p the tests + # below will need to use a fake/mock object + def test_invalid_point_x_negative(self): + pt = ellipticcurve.PointJacobi(curve_192, -1, 0, 1) + + with self.assertRaises(InvalidPointError) as e: + Public_key(generator_192, pt) + + self.assertIn("The public point has x or y", str(e.exception)) + + def test_invalid_point_x_equal_p(self): + pt = ellipticcurve.PointJacobi(curve_192, curve_192.p(), 0, 1) + + with self.assertRaises(InvalidPointError) as e: + Public_key(generator_192, pt) + + self.assertIn("The public point has x or y", str(e.exception)) + + def test_invalid_point_y_negative(self): + pt = ellipticcurve.PointJacobi(curve_192, 0, -1, 1) + + with self.assertRaises(InvalidPointError) as e: + Public_key(generator_192, pt) + + self.assertIn("The public point has x or y", str(e.exception)) + + def test_invalid_point_y_equal_p(self): + pt = ellipticcurve.PointJacobi(curve_192, 0, curve_192.p(), 1) + + with self.assertRaises(InvalidPointError) as e: + Public_key(generator_192, pt) + + self.assertIn("The public point has x or y", str(e.exception)) + + +class TestPublicKeyVerifies(unittest.TestCase): + # test all the different ways that a signature can be publicly invalid + @classmethod + def setUpClass(cls): + gen = generator_192 + x = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point = ellipticcurve.Point(gen.curve(), x, y) + + cls.pub_key = Public_key(gen, point) + + def test_sig_with_r_zero(self): + sig = Signature(0, 1) + + self.assertFalse(self.pub_key.verifies(1, sig)) + + def test_sig_with_r_order(self): + sig = Signature(generator_192.order(), 1) + + self.assertFalse(self.pub_key.verifies(1, sig)) + + def test_sig_with_s_zero(self): + sig = Signature(1, 0) + + self.assertFalse(self.pub_key.verifies(1, sig)) + + def test_sig_with_s_order(self): + sig = Signature(1, generator_192.order()) + + self.assertFalse(self.pub_key.verifies(1, sig)) + + +class TestPrivateKey(unittest.TestCase): + @classmethod + def setUpClass(cls): + gen = generator_192 + x = 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6 + y = 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F + point = ellipticcurve.Point(gen.curve(), x, y) + cls.pub_key = Public_key(gen, point) + + def test_equality_private_keys(self): + pr_key1 = Private_key(self.pub_key, 100) + pr_key2 = Private_key(self.pub_key, 100) + self.assertEqual(pr_key1, pr_key2) + + def test_inequality_private_keys(self): + pr_key1 = Private_key(self.pub_key, 100) + pr_key2 = Private_key(self.pub_key, 200) + self.assertNotEqual(pr_key1, pr_key2) + + def test_inequality_private_keys_not_implemented(self): + pr_key = Private_key(self.pub_key, 100) + self.assertNotEqual(pr_key, None) + + +# Testing point validity, as per ECDSAVS.pdf B.2.2: +P192_POINTS = [ + ( + generator_192, + 0xCD6D0F029A023E9AACA429615B8F577ABEE685D8257CC83A, + 0x00019C410987680E9FB6C0B6ECC01D9A2647C8BAE27721BACDFC, + False, + ), + ( + generator_192, + 0x00017F2FCE203639E9EAF9FB50B81FC32776B30E3B02AF16C73B, + 0x95DA95C5E72DD48E229D4748D4EEE658A9A54111B23B2ADB, + False, + ), + ( + generator_192, + 0x4F77F8BC7FCCBADD5760F4938746D5F253EE2168C1CF2792, + 0x000147156FF824D131629739817EDB197717C41AAB5C2A70F0F6, + False, + ), + ( + generator_192, + 0xC58D61F88D905293BCD4CD0080BCB1B7F811F2FFA41979F6, + 0x8804DC7A7C4C7F8B5D437F5156F3312CA7D6DE8A0E11867F, + True, + ), + ( + generator_192, + 0xCDF56C1AA3D8AFC53C521ADF3FFB96734A6A630A4A5B5A70, + 0x97C1C44A5FB229007B5EC5D25F7413D170068FFD023CAA4E, + True, + ), + ( + generator_192, + 0x89009C0DC361C81E99280C8E91DF578DF88CDF4B0CDEDCED, + 0x27BE44A529B7513E727251F128B34262A0FD4D8EC82377B9, + True, + ), + ( + generator_192, + 0x6A223D00BD22C52833409A163E057E5B5DA1DEF2A197DD15, + 0x7B482604199367F1F303F9EF627F922F97023E90EAE08ABF, + True, + ), + ( + generator_192, + 0x6DCCBDE75C0948C98DAB32EA0BC59FE125CF0FB1A3798EDA, + 0x0001171A3E0FA60CF3096F4E116B556198DE430E1FBD330C8835, + False, + ), + ( + generator_192, + 0xD266B39E1F491FC4ACBBBC7D098430931CFA66D55015AF12, + 0x193782EB909E391A3148B7764E6B234AA94E48D30A16DBB2, + False, + ), + ( + generator_192, + 0x9D6DDBCD439BAA0C6B80A654091680E462A7D1D3F1FFEB43, + 0x6AD8EFC4D133CCF167C44EB4691C80ABFFB9F82B932B8CAA, + False, + ), + ( + generator_192, + 0x146479D944E6BDA87E5B35818AA666A4C998A71F4E95EDBC, + 0xA86D6FE62BC8FBD88139693F842635F687F132255858E7F6, + False, + ), + ( + generator_192, + 0xE594D4A598046F3598243F50FD2C7BD7D380EDB055802253, + 0x509014C0C4D6B536E3CA750EC09066AF39B4C8616A53A923, + False, + ), +] + + +@pytest.mark.parametrize("generator,x,y,expected", P192_POINTS) +def test_point_validity(generator, x, y, expected): + """ + `generator` defines the curve; is `(x, y)` a point on + this curve? `expected` is True if the right answer is Yes. + """ + assert point_is_valid(generator, x, y) == expected + + +# Trying signature-verification tests from ECDSAVS.pdf B.2.4: +CURVE_192_KATS = [ + ( + generator_192, + int( + "0x84ce72aa8699df436059f052ac51b6398d2511e49631bcb7e71f89c499b9ee" + "425dfbc13a5f6d408471b054f2655617cbbaf7937b7c80cd8865cf02c8487d30" + "d2b0fbd8b2c4e102e16d828374bbc47b93852f212d5043c3ea720f086178ff79" + "8cc4f63f787b9c2e419efa033e7644ea7936f54462dc21a6c4580725f7f0e7d1" + "58", + 16, + ), + 0xD9DBFB332AA8E5FF091E8CE535857C37C73F6250FFB2E7AC, + 0x282102E364FEDED3AD15DDF968F88D8321AA268DD483EBC4, + 0x64DCA58A20787C488D11D6DD96313F1B766F2D8EFE122916, + 0x1ECBA28141E84AB4ECAD92F56720E2CC83EB3D22DEC72479, + True, + ), + ( + generator_192, + int( + "0x94bb5bacd5f8ea765810024db87f4224ad71362a3c28284b2b9f39fab86db1" + "2e8beb94aae899768229be8fdb6c4f12f28912bb604703a79ccff769c1607f5a" + "91450f30ba0460d359d9126cbd6296be6d9c4bb96c0ee74cbb44197c207f6db3" + "26ab6f5a659113a9034e54be7b041ced9dcf6458d7fb9cbfb2744d999f7dfd63" + "f4", + 16, + ), + 0x3E53EF8D3112AF3285C0E74842090712CD324832D4277AE7, + 0xCC75F8952D30AEC2CBB719FC6AA9934590B5D0FF5A83ADB7, + 0x8285261607283BA18F335026130BAB31840DCFD9C3E555AF, + 0x356D89E1B04541AFC9704A45E9C535CE4A50929E33D7E06C, + True, + ), + ( + generator_192, + int( + "0xf6227a8eeb34afed1621dcc89a91d72ea212cb2f476839d9b4243c66877911" + "b37b4ad6f4448792a7bbba76c63bdd63414b6facab7dc71c3396a73bd7ee14cd" + "d41a659c61c99b779cecf07bc51ab391aa3252386242b9853ea7da67fd768d30" + "3f1b9b513d401565b6f1eb722dfdb96b519fe4f9bd5de67ae131e64b40e78c42" + "dd", + 16, + ), + 0x16335DBE95F8E8254A4E04575D736BEFB258B8657F773CB7, + 0x421B13379C59BC9DCE38A1099CA79BBD06D647C7F6242336, + 0x4141BD5D64EA36C5B0BD21EF28C02DA216ED9D04522B1E91, + 0x159A6AA852BCC579E821B7BB0994C0861FB08280C38DAA09, + False, + ), + ( + generator_192, + int( + "0x16b5f93afd0d02246f662761ed8e0dd9504681ed02a253006eb36736b56309" + "7ba39f81c8e1bce7a16c1339e345efabbc6baa3efb0612948ae51103382a8ee8" + "bc448e3ef71e9f6f7a9676694831d7f5dd0db5446f179bcb737d4a526367a447" + "bfe2c857521c7f40b6d7d7e01a180d92431fb0bbd29c04a0c420a57b3ed26ccd" + "8a", + 16, + ), + 0xFD14CDF1607F5EFB7B1793037B15BDF4BAA6F7C16341AB0B, + 0x83FA0795CC6C4795B9016DAC928FD6BAC32F3229A96312C4, + 0x8DFDB832951E0167C5D762A473C0416C5C15BC1195667DC1, + 0x1720288A2DC13FA1EC78F763F8FE2FF7354A7E6FDDE44520, + False, + ), + ( + generator_192, + int( + "0x08a2024b61b79d260e3bb43ef15659aec89e5b560199bc82cf7c65c77d3919" + "2e03b9a895d766655105edd9188242b91fbde4167f7862d4ddd61e5d4ab55196" + "683d4f13ceb90d87aea6e07eb50a874e33086c4a7cb0273a8e1c4408f4b846bc" + "eae1ebaac1b2b2ea851a9b09de322efe34cebe601653efd6ddc876ce8c2f2072" + "fb", + 16, + ), + 0x674F941DC1A1F8B763C9334D726172D527B90CA324DB8828, + 0x65ADFA32E8B236CB33A3E84CF59BFB9417AE7E8EDE57A7FF, + 0x9508B9FDD7DAF0D8126F9E2BC5A35E4C6D800B5B804D7796, + 0x36F2BF6B21B987C77B53BB801B3435A577E3D493744BFAB0, + False, + ), + ( + generator_192, + int( + "0x1843aba74b0789d4ac6b0b8923848023a644a7b70afa23b1191829bbe4397c" + "e15b629bf21a8838298653ed0c19222b95fa4f7390d1b4c844d96e645537e0aa" + "e98afb5c0ac3bd0e4c37f8daaff25556c64e98c319c52687c904c4de7240a1cc" + "55cd9756b7edaef184e6e23b385726e9ffcba8001b8f574987c1a3fedaaa83ca" + "6d", + 16, + ), + 0x10ECCA1AAD7220B56A62008B35170BFD5E35885C4014A19F, + 0x04EB61984C6C12ADE3BC47F3C629ECE7AA0A033B9948D686, + 0x82BFA4E82C0DFE9274169B86694E76CE993FD83B5C60F325, + 0xA97685676C59A65DBDE002FE9D613431FB183E8006D05633, + False, + ), + ( + generator_192, + int( + "0x5a478f4084ddd1a7fea038aa9732a822106385797d02311aeef4d0264f824f" + "698df7a48cfb6b578cf3da416bc0799425bb491be5b5ecc37995b85b03420a98" + "f2c4dc5c31a69a379e9e322fbe706bbcaf0f77175e05cbb4fa162e0da82010a2" + "78461e3e974d137bc746d1880d6eb02aa95216014b37480d84b87f717bb13f76" + "e1", + 16, + ), + 0x6636653CB5B894CA65C448277B29DA3AD101C4C2300F7C04, + 0xFDF1CBB3FC3FD6A4F890B59E554544175FA77DBDBEB656C1, + 0xEAC2DDECDDFB79931A9C3D49C08DE0645C783A24CB365E1C, + 0x3549FEE3CFA7E5F93BC47D92D8BA100E881A2A93C22F8D50, + False, + ), + ( + generator_192, + int( + "0xc598774259a058fa65212ac57eaa4f52240e629ef4c310722088292d1d4af6" + "c39b49ce06ba77e4247b20637174d0bd67c9723feb57b5ead232b47ea452d5d7" + "a089f17c00b8b6767e434a5e16c231ba0efa718a340bf41d67ea2d295812ff1b" + "9277daacb8bc27b50ea5e6443bcf95ef4e9f5468fe78485236313d53d1c68f6b" + "a2", + 16, + ), + 0xA82BD718D01D354001148CD5F69B9EBF38FF6F21898F8AAA, + 0xE67CEEDE07FC2EBFAFD62462A51E4B6C6B3D5B537B7CAF3E, + 0x4D292486C620C3DE20856E57D3BB72FCDE4A73AD26376955, + 0xA85289591A6081D5728825520E62FF1C64F94235C04C7F95, + False, + ), + ( + generator_192, + int( + "0xca98ed9db081a07b7557f24ced6c7b9891269a95d2026747add9e9eb80638a" + "961cf9c71a1b9f2c29744180bd4c3d3db60f2243c5c0b7cc8a8d40a3f9a7fc91" + "0250f2187136ee6413ffc67f1a25e1c4c204fa9635312252ac0e0481d89b6d53" + "808f0c496ba87631803f6c572c1f61fa049737fdacce4adff757afed4f05beb6" + "58", + 16, + ), + 0x7D3B016B57758B160C4FCA73D48DF07AE3B6B30225126C2F, + 0x4AF3790D9775742BDE46F8DA876711BE1B65244B2B39E7EC, + 0x95F778F5F656511A5AB49A5D69DDD0929563C29CBC3A9E62, + 0x75C87FC358C251B4C83D2DD979FAAD496B539F9F2EE7A289, + False, + ), + ( + generator_192, + int( + "0x31dd9a54c8338bea06b87eca813d555ad1850fac9742ef0bbe40dad400e102" + "88acc9c11ea7dac79eb16378ebea9490e09536099f1b993e2653cd50240014c9" + "0a9c987f64545abc6a536b9bd2435eb5e911fdfde2f13be96ea36ad38df4ae9e" + "a387b29cced599af777338af2794820c9cce43b51d2112380a35802ab7e396c9" + "7a", + 16, + ), + 0x9362F28C4EF96453D8A2F849F21E881CD7566887DA8BEB4A, + 0xE64D26D8D74C48A024AE85D982EE74CD16046F4EE5333905, + 0xF3923476A296C88287E8DE914B0B324AD5A963319A4FE73B, + 0xF0BAEED7624ED00D15244D8BA2AEDE085517DBDEC8AC65F5, + True, + ), + ( + generator_192, + int( + "0xb2b94e4432267c92f9fdb9dc6040c95ffa477652761290d3c7de312283f645" + "0d89cc4aabe748554dfb6056b2d8e99c7aeaad9cdddebdee9dbc099839562d90" + "64e68e7bb5f3a6bba0749ca9a538181fc785553a4000785d73cc207922f63e8c" + "e1112768cb1de7b673aed83a1e4a74592f1268d8e2a4e9e63d414b5d442bd045" + "6d", + 16, + ), + 0xCC6FC032A846AAAC25533EB033522824F94E670FA997ECEF, + 0xE25463EF77A029ECCDA8B294FD63DD694E38D223D30862F1, + 0x066B1D07F3A40E679B620EDA7F550842A35C18B80C5EBE06, + 0xA0B0FB201E8F2DF65E2C4508EF303BDC90D934016F16B2DC, + False, + ), + ( + generator_192, + int( + "0x4366fcadf10d30d086911de30143da6f579527036937007b337f7282460eae" + "5678b15cccda853193ea5fc4bc0a6b9d7a31128f27e1214988592827520b214e" + "ed5052f7775b750b0c6b15f145453ba3fee24a085d65287e10509eb5d5f602c4" + "40341376b95c24e5c4727d4b859bfe1483d20538acdd92c7997fa9c614f0f839" + "d7", + 16, + ), + 0x955C908FE900A996F7E2089BEE2F6376830F76A19135E753, + 0xBA0C42A91D3847DE4A592A46DC3FDAF45A7CC709B90DE520, + 0x1F58AD77FC04C782815A1405B0925E72095D906CBF52A668, + 0xF2E93758B3AF75EDF784F05A6761C9B9A6043C66B845B599, + False, + ), + ( + generator_192, + int( + "0x543f8af57d750e33aa8565e0cae92bfa7a1ff78833093421c2942cadf99866" + "70a5ff3244c02a8225e790fbf30ea84c74720abf99cfd10d02d34377c3d3b412" + "69bea763384f372bb786b5846f58932defa68023136cd571863b304886e95e52" + "e7877f445b9364b3f06f3c28da12707673fecb4b8071de06b6e0a3c87da160ce" + "f3", + 16, + ), + 0x31F7FA05576D78A949B24812D4383107A9A45BB5FCCDD835, + 0x8DC0EB65994A90F02B5E19BD18B32D61150746C09107E76B, + 0xBE26D59E4E883DDE7C286614A767B31E49AD88789D3A78FF, + 0x8762CA831C1CE42DF77893C9B03119428E7A9B819B619068, + False, + ), + ( + generator_192, + int( + "0xd2e8454143ce281e609a9d748014dcebb9d0bc53adb02443a6aac2ffe6cb009f" + "387c346ecb051791404f79e902ee333ad65e5c8cb38dc0d1d39a8dc90add502357" + "2720e5b94b190d43dd0d7873397504c0c7aef2727e628eb6a74411f2e400c65670" + "716cb4a815dc91cbbfeb7cfe8c929e93184c938af2c078584da045e8f8d1", + 16, + ), + 0x66AA8EDBBDB5CF8E28CEB51B5BDA891CAE2DF84819FE25C0, + 0x0C6BC2F69030A7CE58D4A00E3B3349844784A13B8936F8DA, + 0xA4661E69B1734F4A71B788410A464B71E7FFE42334484F23, + 0x738421CF5E049159D69C57A915143E226CAC8355E149AFE9, + False, + ), + ( + generator_192, + int( + "0x6660717144040f3e2f95a4e25b08a7079c702a8b29babad5a19a87654bc5c5af" + "a261512a11b998a4fb36b5d8fe8bd942792ff0324b108120de86d63f65855e5461" + "184fc96a0a8ffd2ce6d5dfb0230cbbdd98f8543e361b3205f5da3d500fdc8bac6d" + "b377d75ebef3cb8f4d1ff738071ad0938917889250b41dd1d98896ca06fb", + 16, + ), + 0xBCFACF45139B6F5F690A4C35A5FFFA498794136A2353FC77, + 0x6F4A6C906316A6AFC6D98FE1F0399D056F128FE0270B0F22, + 0x9DB679A3DAFE48F7CCAD122933ACFE9DA0970B71C94C21C1, + 0x984C2DB99827576C0A41A5DA41E07D8CC768BC82F18C9DA9, + False, + ), +] + + +@pytest.mark.parametrize("gen,msg,qx,qy,r,s,expected", CURVE_192_KATS) +def test_signature_validity(gen, msg, qx, qy, r, s, expected): + """ + `msg` = message, `qx` and `qy` represent the base point on + elliptic curve of `gen`, `r` and `s` are the signature, and + `expected` is True iff the signature is expected to be valid.""" + pubk = Public_key(gen, ellipticcurve.Point(gen.curve(), qx, qy)) + assert expected == pubk.verifies(digest_integer(msg), Signature(r, s)) + + +@pytest.mark.parametrize( + "gen,msg,qx,qy,r,s,expected", [x for x in CURVE_192_KATS if x[6]] +) +def test_pk_recovery(gen, msg, r, s, qx, qy, expected): + del expected + sign = Signature(r, s) + pks = sign.recover_public_keys(digest_integer(msg), gen) + + assert pks + + # Test if the signature is valid for all found public keys + for pk in pks: + q = pk.point + test_signature_validity(gen, msg, q.x(), q.y(), r, s, True) + + # Test if the original public key is in the set of found keys + original_q = ellipticcurve.Point(gen.curve(), qx, qy) + points = [pk.point for pk in pks] + assert original_q in points + + +@st.composite +def st_random_gen_key_msg_nonce(draw): + """Hypothesis strategy for test_sig_verify().""" + name_gen = { + "generator_192": generator_192, + "generator_224": generator_224, + "generator_256": generator_256, + "generator_secp256k1": generator_secp256k1, + "generator_384": generator_384, + "generator_521": generator_521, + } + name = draw(st.sampled_from(sorted(name_gen.keys()))) + note("Generator used: {0}".format(name)) + generator = name_gen[name] + order = int(generator.order()) + + key = draw(st.integers(min_value=1, max_value=order)) + msg = draw(st.integers(min_value=1, max_value=order)) + nonce = draw( + st.integers(min_value=1, max_value=order + 1) + | st.integers(min_value=order >> 1, max_value=order) + ) + return generator, key, msg, nonce + + +SIG_VER_SETTINGS = dict(HYP_SETTINGS) +SIG_VER_SETTINGS["max_examples"] = 10 + + +@settings(**SIG_VER_SETTINGS) +@example((generator_224, 4, 1, 1)) +@given(st_random_gen_key_msg_nonce()) +def test_sig_verify(args): + """ + Check if signing and verification works for arbitrary messages and + that signatures for other messages are rejected. + """ + generator, sec_mult, msg, nonce = args + + pubkey = Public_key(generator, generator * sec_mult) + privkey = Private_key(pubkey, sec_mult) + + signature = privkey.sign(msg, nonce) + + assert pubkey.verifies(msg, signature) + + assert not pubkey.verifies(msg - 1, signature) + + +def test_int_to_string_with_zero(): + assert int_to_string(0) == b"\x00" diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ellipticcurve.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ellipticcurve.py new file mode 100644 index 0000000..85faef4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_ellipticcurve.py @@ -0,0 +1,199 @@ +import pytest + +try: + import unittest2 as unittest +except ImportError: + import unittest +from hypothesis import given, settings +import hypothesis.strategies as st + +try: + from hypothesis import HealthCheck + + HC_PRESENT = True +except ImportError: # pragma: no cover + HC_PRESENT = False +from .numbertheory import inverse_mod +from .ellipticcurve import CurveFp, INFINITY, Point + + +HYP_SETTINGS = {} +if HC_PRESENT: # pragma: no branch + HYP_SETTINGS["suppress_health_check"] = [HealthCheck.too_slow] + HYP_SETTINGS["deadline"] = 5000 + + +# NIST Curve P-192: +p = 6277101735386680763835789423207666416083908700390324961279 +r = 6277101735386680763835789423176059013767194773182842284081 +# s = 0x3045ae6fc8422f64ed579528d38120eae12196d5 +# c = 0x3099d2bbbfcb2538542dcd5fb078b6ef5f3d6fe2c745de65 +b = 0x64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1 +Gx = 0x188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012 +Gy = 0x07192B95FFC8DA78631011ED6B24CDD573F977A11E794811 + +c192 = CurveFp(p, -3, b) +p192 = Point(c192, Gx, Gy, r) + +c_23 = CurveFp(23, 1, 1) +g_23 = Point(c_23, 13, 7, 7) + + +HYP_SLOW_SETTINGS = dict(HYP_SETTINGS) +HYP_SLOW_SETTINGS["max_examples"] = 10 + + +@settings(**HYP_SLOW_SETTINGS) +@given(st.integers(min_value=1, max_value=r + 1)) +def test_p192_mult_tests(multiple): + inv_m = inverse_mod(multiple, r) + + p1 = p192 * multiple + assert p1 * inv_m == p192 + + +def add_n_times(point, n): + ret = INFINITY + i = 0 + while i <= n: + yield ret + ret = ret + point + i += 1 + + +# From X9.62 I.1 (p. 96): +@pytest.mark.parametrize( + "p, m, check", + [(g_23, n, exp) for n, exp in enumerate(add_n_times(g_23, 8))], + ids=["g_23 test with mult {0}".format(i) for i in range(9)], +) +def test_add_and_mult_equivalence(p, m, check): + assert p * m == check + + +class TestCurve(unittest.TestCase): + @classmethod + def setUpClass(cls): + cls.c_23 = CurveFp(23, 1, 1) + + def test_equality_curves(self): + self.assertEqual(self.c_23, CurveFp(23, 1, 1)) + + def test_inequality_curves(self): + c192 = CurveFp(p, -3, b) + self.assertNotEqual(self.c_23, c192) + + def test_usability_in_a_hashed_collection_curves(self): + {self.c_23: None} + + def test_hashability_curves(self): + hash(self.c_23) + + def test_conflation_curves(self): + ne1, ne2, ne3 = CurveFp(24, 1, 1), CurveFp(23, 2, 1), CurveFp(23, 1, 2) + eq1, eq2, eq3 = CurveFp(23, 1, 1), CurveFp(23, 1, 1), self.c_23 + self.assertEqual(len(set((c_23, eq1, eq2, eq3))), 1) + self.assertEqual(len(set((c_23, ne1, ne2, ne3))), 4) + self.assertDictEqual({c_23: None}, {eq1: None}) + self.assertIn(eq2, {eq3: None}) + + +class TestPoint(unittest.TestCase): + @classmethod + def setUpClass(cls): + cls.c_23 = CurveFp(23, 1, 1) + cls.g_23 = Point(cls.c_23, 13, 7, 7) + + p = 6277101735386680763835789423207666416083908700390324961279 + r = 6277101735386680763835789423176059013767194773182842284081 + # s = 0x3045ae6fc8422f64ed579528d38120eae12196d5 + # c = 0x3099d2bbbfcb2538542dcd5fb078b6ef5f3d6fe2c745de65 + b = 0x64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1 + Gx = 0x188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012 + Gy = 0x07192B95FFC8DA78631011ED6B24CDD573F977A11E794811 + + cls.c192 = CurveFp(p, -3, b) + cls.p192 = Point(cls.c192, Gx, Gy, r) + + def test_p192(self): + # Checking against some sample computations presented + # in X9.62: + d = 651056770906015076056810763456358567190100156695615665659 + Q = d * self.p192 + self.assertEqual( + Q.x(), 0x62B12D60690CDCF330BABAB6E69763B471F994DD702D16A5 + ) + + k = 6140507067065001063065065565667405560006161556565665656654 + R = k * self.p192 + self.assertEqual( + R.x(), 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD + ) + self.assertEqual( + R.y(), 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835 + ) + + u1 = 2563697409189434185194736134579731015366492496392189760599 + u2 = 6266643813348617967186477710235785849136406323338782220568 + temp = u1 * self.p192 + u2 * Q + self.assertEqual( + temp.x(), 0x885052380FF147B734C330C43D39B2C4A89F29B0F749FEAD + ) + self.assertEqual( + temp.y(), 0x9CF9FA1CBEFEFB917747A3BB29C072B9289C2547884FD835 + ) + + def test_double_infinity(self): + p1 = INFINITY + p3 = p1.double() + self.assertEqual(p1, p3) + self.assertEqual(p3.x(), p1.x()) + self.assertEqual(p3.y(), p3.y()) + + def test_double(self): + x1, y1, x3, y3 = (3, 10, 7, 12) + + p1 = Point(self.c_23, x1, y1) + p3 = p1.double() + self.assertEqual(p3.x(), x3) + self.assertEqual(p3.y(), y3) + + def test_multiply(self): + x1, y1, m, x3, y3 = (3, 10, 2, 7, 12) + p1 = Point(self.c_23, x1, y1) + p3 = p1 * m + self.assertEqual(p3.x(), x3) + self.assertEqual(p3.y(), y3) + + # Trivial tests from X9.62 B.3: + def test_add(self): + """We expect that on curve c, (x1,y1) + (x2, y2 ) = (x3, y3).""" + + x1, y1, x2, y2, x3, y3 = (3, 10, 9, 7, 17, 20) + p1 = Point(self.c_23, x1, y1) + p2 = Point(self.c_23, x2, y2) + p3 = p1 + p2 + self.assertEqual(p3.x(), x3) + self.assertEqual(p3.y(), y3) + + def test_add_as_double(self): + """We expect that on curve c, (x1,y1) + (x2, y2 ) = (x3, y3).""" + + x1, y1, x2, y2, x3, y3 = (3, 10, 3, 10, 7, 12) + p1 = Point(self.c_23, x1, y1) + p2 = Point(self.c_23, x2, y2) + p3 = p1 + p2 + self.assertEqual(p3.x(), x3) + self.assertEqual(p3.y(), y3) + + def test_equality_points(self): + self.assertEqual(self.g_23, Point(self.c_23, 13, 7, 7)) + + def test_inequality_points(self): + c = CurveFp(100, -3, 100) + p = Point(c, 100, 100, 100) + self.assertNotEqual(self.g_23, p) + + def test_inequality_points_diff_types(self): + c = CurveFp(100, -3, 100) + self.assertNotEqual(self.g_23, c) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_jacobi.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_jacobi.py new file mode 100644 index 0000000..67f32fa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_jacobi.py @@ -0,0 +1,657 @@ +import pickle + +try: + import unittest2 as unittest +except ImportError: + import unittest + +import os +import sys +import signal +import pytest +import threading +import platform +import hypothesis.strategies as st +from hypothesis import given, assume, settings, example + +from .ellipticcurve import CurveFp, PointJacobi, INFINITY +from .ecdsa import ( + generator_256, + curve_256, + generator_224, + generator_brainpoolp160r1, + curve_brainpoolp160r1, + generator_112r2, +) +from .numbertheory import inverse_mod +from .util import randrange + + +NO_OLD_SETTINGS = {} +if sys.version_info > (2, 7): # pragma: no branch + NO_OLD_SETTINGS["deadline"] = 5000 + + +class TestJacobi(unittest.TestCase): + def test___init__(self): + curve = object() + x = 2 + y = 3 + z = 1 + order = 4 + pj = PointJacobi(curve, x, y, z, order) + + self.assertEqual(pj.order(), order) + self.assertIs(pj.curve(), curve) + self.assertEqual(pj.x(), x) + self.assertEqual(pj.y(), y) + + def test_add_with_different_curves(self): + p_a = PointJacobi.from_affine(generator_256) + p_b = PointJacobi.from_affine(generator_224) + + with self.assertRaises(ValueError): + p_a + p_b + + def test_compare_different_curves(self): + self.assertNotEqual(generator_256, generator_224) + + def test_equality_with_non_point(self): + pj = PointJacobi.from_affine(generator_256) + + self.assertNotEqual(pj, "value") + + def test_conversion(self): + pj = PointJacobi.from_affine(generator_256) + pw = pj.to_affine() + + self.assertEqual(generator_256, pw) + + def test_single_double(self): + pj = PointJacobi.from_affine(generator_256) + pw = generator_256.double() + + pj = pj.double() + + self.assertEqual(pj.x(), pw.x()) + self.assertEqual(pj.y(), pw.y()) + + def test_double_with_zero_point(self): + pj = PointJacobi(curve_256, 0, 0, 1) + + pj = pj.double() + + self.assertIs(pj, INFINITY) + + def test_double_with_zero_equivalent_point(self): + pj = PointJacobi(curve_256, 0, curve_256.p(), 1) + + pj = pj.double() + + self.assertIs(pj, INFINITY) + + def test_double_with_zero_equivalent_point_non_1_z(self): + pj = PointJacobi(curve_256, 0, curve_256.p(), 2) + + pj = pj.double() + + self.assertIs(pj, INFINITY) + + def test_compare_with_affine_point(self): + pj = PointJacobi.from_affine(generator_256) + pa = pj.to_affine() + + self.assertEqual(pj, pa) + self.assertEqual(pa, pj) + + def test_to_affine_with_zero_point(self): + pj = PointJacobi(curve_256, 0, 0, 1) + + pa = pj.to_affine() + + self.assertIs(pa, INFINITY) + + def test_add_with_affine_point(self): + pj = PointJacobi.from_affine(generator_256) + pa = pj.to_affine() + + s = pj + pa + + self.assertEqual(s, pj.double()) + + def test_radd_with_affine_point(self): + pj = PointJacobi.from_affine(generator_256) + pa = pj.to_affine() + + s = pa + pj + + self.assertEqual(s, pj.double()) + + def test_add_with_infinity(self): + pj = PointJacobi.from_affine(generator_256) + + s = pj + INFINITY + + self.assertEqual(s, pj) + + def test_add_zero_point_to_affine(self): + pa = PointJacobi.from_affine(generator_256).to_affine() + pj = PointJacobi(curve_256, 0, 0, 1) + + s = pj + pa + + self.assertIs(s, pa) + + def test_multiply_by_zero(self): + pj = PointJacobi.from_affine(generator_256) + + pj = pj * 0 + + self.assertIs(pj, INFINITY) + + def test_zero_point_multiply_by_one(self): + pj = PointJacobi(curve_256, 0, 0, 1) + + pj = pj * 1 + + self.assertIs(pj, INFINITY) + + def test_multiply_by_one(self): + pj = PointJacobi.from_affine(generator_256) + pw = generator_256 * 1 + + pj = pj * 1 + + self.assertEqual(pj.x(), pw.x()) + self.assertEqual(pj.y(), pw.y()) + + def test_multiply_by_two(self): + pj = PointJacobi.from_affine(generator_256) + pw = generator_256 * 2 + + pj = pj * 2 + + self.assertEqual(pj.x(), pw.x()) + self.assertEqual(pj.y(), pw.y()) + + def test_rmul_by_two(self): + pj = PointJacobi.from_affine(generator_256) + pw = generator_256 * 2 + + pj = 2 * pj + + self.assertEqual(pj, pw) + + def test_compare_non_zero_with_infinity(self): + pj = PointJacobi.from_affine(generator_256) + + self.assertNotEqual(pj, INFINITY) + + def test_compare_zero_point_with_infinity(self): + pj = PointJacobi(curve_256, 0, 0, 1) + + self.assertEqual(pj, INFINITY) + + def test_compare_double_with_multiply(self): + pj = PointJacobi.from_affine(generator_256) + dbl = pj.double() + mlpl = pj * 2 + + self.assertEqual(dbl, mlpl) + + @settings(max_examples=10) + @given( + st.integers( + min_value=0, max_value=int(generator_brainpoolp160r1.order()) + ) + ) + def test_multiplications(self, mul): + pj = PointJacobi.from_affine(generator_brainpoolp160r1) + pw = pj.to_affine() * mul + + pj = pj * mul + + self.assertEqual((pj.x(), pj.y()), (pw.x(), pw.y())) + self.assertEqual(pj, pw) + + @settings(max_examples=10) + @given( + st.integers( + min_value=0, max_value=int(generator_brainpoolp160r1.order()) + ) + ) + @example(0) + @example(int(generator_brainpoolp160r1.order())) + def test_precompute(self, mul): + precomp = generator_brainpoolp160r1 + self.assertTrue(precomp._PointJacobi__precompute) + pj = PointJacobi.from_affine(generator_brainpoolp160r1) + + a = precomp * mul + b = pj * mul + + self.assertEqual(a, b) + + @settings(max_examples=10) + @given( + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + ) + @example(3, 3) + def test_add_scaled_points(self, a_mul, b_mul): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1) + a = PointJacobi.from_affine(j_g * a_mul) + b = PointJacobi.from_affine(j_g * b_mul) + + c = a + b + + self.assertEqual(c, j_g * (a_mul + b_mul)) + + @settings(max_examples=10) + @given( + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers(min_value=1, max_value=int(curve_brainpoolp160r1.p() - 1)), + ) + def test_add_one_scaled_point(self, a_mul, b_mul, new_z): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1) + a = PointJacobi.from_affine(j_g * a_mul) + b = PointJacobi.from_affine(j_g * b_mul) + + p = curve_brainpoolp160r1.p() + + assume(inverse_mod(new_z, p)) + + new_zz = new_z * new_z % p + + b = PointJacobi( + curve_brainpoolp160r1, + b.x() * new_zz % p, + b.y() * new_zz * new_z % p, + new_z, + ) + + c = a + b + + self.assertEqual(c, j_g * (a_mul + b_mul)) + + @settings(max_examples=10) + @given( + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers(min_value=1, max_value=int(curve_brainpoolp160r1.p() - 1)), + ) + @example(1, 1, 1) + @example(3, 3, 3) + @example(2, int(generator_brainpoolp160r1.order() - 2), 1) + @example(2, int(generator_brainpoolp160r1.order() - 2), 3) + def test_add_same_scale_points(self, a_mul, b_mul, new_z): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1) + a = PointJacobi.from_affine(j_g * a_mul) + b = PointJacobi.from_affine(j_g * b_mul) + + p = curve_brainpoolp160r1.p() + + assume(inverse_mod(new_z, p)) + + new_zz = new_z * new_z % p + + a = PointJacobi( + curve_brainpoolp160r1, + a.x() * new_zz % p, + a.y() * new_zz * new_z % p, + new_z, + ) + b = PointJacobi( + curve_brainpoolp160r1, + b.x() * new_zz % p, + b.y() * new_zz * new_z % p, + new_z, + ) + + c = a + b + + self.assertEqual(c, j_g * (a_mul + b_mul)) + + def test_add_same_scale_points_static(self): + j_g = generator_brainpoolp160r1 + p = curve_brainpoolp160r1.p() + a = j_g * 11 + a.scale() + z1 = 13 + x = PointJacobi( + curve_brainpoolp160r1, + a.x() * z1 ** 2 % p, + a.y() * z1 ** 3 % p, + z1, + ) + y = PointJacobi( + curve_brainpoolp160r1, + a.x() * z1 ** 2 % p, + a.y() * z1 ** 3 % p, + z1, + ) + + c = a + a + + self.assertEqual(c, x + y) + + @settings(max_examples=14) + @given( + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.integers( + min_value=1, max_value=int(generator_brainpoolp160r1.order()) + ), + st.lists( + st.integers( + min_value=1, max_value=int(curve_brainpoolp160r1.p() - 1) + ), + min_size=2, + max_size=2, + unique=True, + ), + ) + @example(2, 2, [2, 1]) + @example(2, 2, [2, 3]) + @example(2, int(generator_brainpoolp160r1.order() - 2), [2, 3]) + @example(2, int(generator_brainpoolp160r1.order() - 2), [2, 1]) + def test_add_different_scale_points(self, a_mul, b_mul, new_z): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1) + a = PointJacobi.from_affine(j_g * a_mul) + b = PointJacobi.from_affine(j_g * b_mul) + + p = curve_brainpoolp160r1.p() + + assume(inverse_mod(new_z[0], p)) + assume(inverse_mod(new_z[1], p)) + + new_zz0 = new_z[0] * new_z[0] % p + new_zz1 = new_z[1] * new_z[1] % p + + a = PointJacobi( + curve_brainpoolp160r1, + a.x() * new_zz0 % p, + a.y() * new_zz0 * new_z[0] % p, + new_z[0], + ) + b = PointJacobi( + curve_brainpoolp160r1, + b.x() * new_zz1 % p, + b.y() * new_zz1 * new_z[1] % p, + new_z[1], + ) + + c = a + b + + self.assertEqual(c, j_g * (a_mul + b_mul)) + + def test_add_different_scale_points_static(self): + j_g = generator_brainpoolp160r1 + p = curve_brainpoolp160r1.p() + a = j_g * 11 + a.scale() + z1 = 13 + x = PointJacobi( + curve_brainpoolp160r1, + a.x() * z1 ** 2 % p, + a.y() * z1 ** 3 % p, + z1, + ) + z2 = 29 + y = PointJacobi( + curve_brainpoolp160r1, + a.x() * z2 ** 2 % p, + a.y() * z2 ** 3 % p, + z2, + ) + + c = a + a + + self.assertEqual(c, x + y) + + def test_add_point_3_times(self): + j_g = PointJacobi.from_affine(generator_256) + + self.assertEqual(j_g * 3, j_g + j_g + j_g) + + def test_mul_without_order(self): + j_g = PointJacobi(curve_256, generator_256.x(), generator_256.y(), 1) + + self.assertEqual(j_g * generator_256.order(), INFINITY) + + def test_mul_add_inf(self): + j_g = PointJacobi.from_affine(generator_256) + + self.assertEqual(j_g, j_g.mul_add(1, INFINITY, 1)) + + def test_mul_add_same(self): + j_g = PointJacobi.from_affine(generator_256) + + self.assertEqual(j_g * 2, j_g.mul_add(1, j_g, 1)) + + def test_mul_add_precompute(self): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1, True) + b = PointJacobi.from_affine(j_g * 255, True) + + self.assertEqual(j_g * 256, j_g + b) + self.assertEqual(j_g * (5 + 255 * 7), j_g * 5 + b * 7) + self.assertEqual(j_g * (5 + 255 * 7), j_g.mul_add(5, b, 7)) + + def test_mul_add_precompute_large(self): + j_g = PointJacobi.from_affine(generator_brainpoolp160r1, True) + b = PointJacobi.from_affine(j_g * 255, True) + + self.assertEqual(j_g * 256, j_g + b) + self.assertEqual( + j_g * (0xFF00 + 255 * 0xF0F0), j_g * 0xFF00 + b * 0xF0F0 + ) + self.assertEqual( + j_g * (0xFF00 + 255 * 0xF0F0), j_g.mul_add(0xFF00, b, 0xF0F0) + ) + + def test_mul_add_to_mul(self): + j_g = PointJacobi.from_affine(generator_256) + + a = j_g * 3 + b = j_g.mul_add(2, j_g, 1) + + self.assertEqual(a, b) + + def test_mul_add_differnt(self): + j_g = PointJacobi.from_affine(generator_256) + + w_a = j_g * 2 + + self.assertEqual(j_g.mul_add(1, w_a, 1), j_g * 3) + + def test_mul_add_slightly_different(self): + j_g = PointJacobi.from_affine(generator_256) + + w_a = j_g * 2 + w_b = j_g * 3 + + self.assertEqual(w_a.mul_add(1, w_b, 3), w_a * 1 + w_b * 3) + + def test_mul_add(self): + j_g = PointJacobi.from_affine(generator_256) + + w_a = generator_256 * 255 + w_b = generator_256 * (0xA8 * 0xF0) + j_b = j_g * 0xA8 + + ret = j_g.mul_add(255, j_b, 0xF0) + + self.assertEqual(ret.to_affine(), w_a + w_b) + + def test_mul_add_large(self): + j_g = PointJacobi.from_affine(generator_256) + b = PointJacobi.from_affine(j_g * 255) + + self.assertEqual(j_g * 256, j_g + b) + self.assertEqual( + j_g * (0xFF00 + 255 * 0xF0F0), j_g * 0xFF00 + b * 0xF0F0 + ) + self.assertEqual( + j_g * (0xFF00 + 255 * 0xF0F0), j_g.mul_add(0xFF00, b, 0xF0F0) + ) + + def test_mul_add_with_infinity_as_result(self): + j_g = PointJacobi.from_affine(generator_256) + + order = generator_256.order() + + b = PointJacobi.from_affine(generator_256 * 256) + + self.assertEqual(j_g.mul_add(order % 256, b, order // 256), INFINITY) + + def test_mul_add_without_order(self): + j_g = PointJacobi(curve_256, generator_256.x(), generator_256.y(), 1) + + order = generator_256.order() + + w_b = generator_256 * 34 + w_b.scale() + + b = PointJacobi(curve_256, w_b.x(), w_b.y(), 1) + + self.assertEqual(j_g.mul_add(order % 34, b, order // 34), INFINITY) + + def test_mul_add_with_doubled_negation_of_itself(self): + j_g = PointJacobi.from_affine(generator_256 * 17) + + dbl_neg = 2 * (-j_g) + + self.assertEqual(j_g.mul_add(4, dbl_neg, 2), INFINITY) + + def test_equality(self): + pj1 = PointJacobi(curve=CurveFp(23, 1, 1, 1), x=2, y=3, z=1, order=1) + pj2 = PointJacobi(curve=CurveFp(23, 1, 1, 1), x=2, y=3, z=1, order=1) + self.assertEqual(pj1, pj2) + + def test_equality_with_invalid_object(self): + j_g = PointJacobi.from_affine(generator_256) + + self.assertNotEqual(j_g, 12) + + def test_equality_with_wrong_curves(self): + p_a = PointJacobi.from_affine(generator_256) + p_b = PointJacobi.from_affine(generator_224) + + self.assertNotEqual(p_a, p_b) + + def test_pickle(self): + pj = PointJacobi(curve=CurveFp(23, 1, 1, 1), x=2, y=3, z=1, order=1) + self.assertEqual(pickle.loads(pickle.dumps(pj)), pj) + + @settings(**NO_OLD_SETTINGS) + @given(st.integers(min_value=1, max_value=10)) + def test_multithreading(self, thread_num): + # ensure that generator's precomputation table is filled + generator_112r2 * 2 + + # create a fresh point that doesn't have a filled precomputation table + gen = generator_112r2 + gen = PointJacobi(gen.curve(), gen.x(), gen.y(), 1, gen.order(), True) + + self.assertEqual(gen._PointJacobi__precompute, []) + + def runner(generator): + order = generator.order() + for _ in range(10): + generator * randrange(order) + + threads = [] + for _ in range(thread_num): + threads.append(threading.Thread(target=runner, args=(gen,))) + + for t in threads: + t.start() + + runner(gen) + + for t in threads: + t.join() + + self.assertEqual( + gen._PointJacobi__precompute, + generator_112r2._PointJacobi__precompute, + ) + + @pytest.mark.skipif( + platform.system() == "Windows", + reason="there are no signals on Windows", + ) + def test_multithreading_with_interrupts(self): + thread_num = 10 + # ensure that generator's precomputation table is filled + generator_112r2 * 2 + + # create a fresh point that doesn't have a filled precomputation table + gen = generator_112r2 + gen = PointJacobi(gen.curve(), gen.x(), gen.y(), 1, gen.order(), True) + + self.assertEqual(gen._PointJacobi__precompute, []) + + def runner(generator): + order = generator.order() + for _ in range(50): + generator * randrange(order) + + def interrupter(barrier_start, barrier_end, lock_exit): + # wait until MainThread can handle KeyboardInterrupt + barrier_start.release() + barrier_end.acquire() + os.kill(os.getpid(), signal.SIGINT) + lock_exit.release() + + threads = [] + for _ in range(thread_num): + threads.append(threading.Thread(target=runner, args=(gen,))) + + barrier_start = threading.Lock() + barrier_start.acquire() + barrier_end = threading.Lock() + barrier_end.acquire() + lock_exit = threading.Lock() + lock_exit.acquire() + + threads.append( + threading.Thread( + target=interrupter, + args=(barrier_start, barrier_end, lock_exit), + ) + ) + + for t in threads: + t.start() + + with self.assertRaises(KeyboardInterrupt): + # signal to interrupter that we can now handle the signal + barrier_start.acquire() + barrier_end.release() + runner(gen) + # use the lock to ensure we never go past the scope of + # assertRaises before the os.kill is called + lock_exit.acquire() + + for t in threads: + t.join() + + self.assertEqual( + gen._PointJacobi__precompute, + generator_112r2._PointJacobi__precompute, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_keys.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_keys.py new file mode 100644 index 0000000..0cf7cc9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_keys.py @@ -0,0 +1,652 @@ +try: + import unittest2 as unittest +except ImportError: + import unittest + +try: + buffer +except NameError: + buffer = memoryview + +import os +import array +import pytest +import hashlib + +from .keys import VerifyingKey, SigningKey, MalformedPointError +from .der import unpem, UnexpectedDER +from .util import ( + sigencode_string, + sigencode_der, + sigencode_strings, + sigdecode_string, + sigdecode_der, + sigdecode_strings, +) +from .curves import NIST256p, Curve, BRAINPOOLP160r1 +from .ellipticcurve import Point, PointJacobi, CurveFp, INFINITY +from .ecdsa import generator_brainpoolp160r1 + + +class TestVerifyingKeyFromString(unittest.TestCase): + """ + Verify that ecdsa.keys.VerifyingKey.from_string() can be used with + bytes-like objects + """ + + @classmethod + def setUpClass(cls): + cls.key_bytes = ( + b"\x04L\xa2\x95\xdb\xc7Z\xd7\x1f\x93\nz\xcf\x97\xcf" + b"\xd7\xc2\xd9o\xfe8}X!\xae\xd4\xfah\xfa^\rpI\xba\xd1" + b"Y\xfb\x92xa\xebo+\x9cG\xfav\xca" + ) + cls.vk = VerifyingKey.from_string(cls.key_bytes) + + def test_bytes(self): + self.assertIsNotNone(self.vk) + self.assertIsInstance(self.vk, VerifyingKey) + self.assertEqual( + self.vk.pubkey.point.x(), + 105419898848891948935835657980914000059957975659675736097, + ) + self.assertEqual( + self.vk.pubkey.point.y(), + 4286866841217412202667522375431381222214611213481632495306, + ) + + def test_bytes_memoryview(self): + vk = VerifyingKey.from_string(buffer(self.key_bytes)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytearray(self): + vk = VerifyingKey.from_string(bytearray(self.key_bytes)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytesarray_memoryview(self): + vk = VerifyingKey.from_string(buffer(bytearray(self.key_bytes))) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_bytes(self): + arr = array.array("B", self.key_bytes) + vk = VerifyingKey.from_string(arr) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_bytes_memoryview(self): + arr = array.array("B", self.key_bytes) + vk = VerifyingKey.from_string(buffer(arr)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_ints(self): + arr = array.array("I", self.key_bytes) + vk = VerifyingKey.from_string(arr) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_ints_memoryview(self): + arr = array.array("I", self.key_bytes) + vk = VerifyingKey.from_string(buffer(arr)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytes_uncompressed(self): + vk = VerifyingKey.from_string(b"\x04" + self.key_bytes) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytearray_uncompressed(self): + vk = VerifyingKey.from_string(bytearray(b"\x04" + self.key_bytes)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytes_compressed(self): + vk = VerifyingKey.from_string(b"\x02" + self.key_bytes[:24]) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytearray_compressed(self): + vk = VerifyingKey.from_string(bytearray(b"\x02" + self.key_bytes[:24])) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + +class TestVerifyingKeyFromDer(unittest.TestCase): + """ + Verify that ecdsa.keys.VerifyingKey.from_der() can be used with + bytes-like objects. + """ + + @classmethod + def setUpClass(cls): + prv_key_str = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MF8CAQEEGF7IQgvW75JSqULpiQQ8op9WH6Uldw6xxaAKBggqhkjOPQMBAaE0AzIA\n" + "BLiBd9CE7xf15FY5QIAoNg+fWbSk1yZOYtoGUdzkejWkxbRc9RWTQjqLVXucIJnz\n" + "bA==\n" + "-----END EC PRIVATE KEY-----\n" + ) + key_str = ( + "-----BEGIN PUBLIC KEY-----\n" + "MEkwEwYHKoZIzj0CAQYIKoZIzj0DAQEDMgAEuIF30ITvF/XkVjlAgCg2D59ZtKTX\n" + "Jk5i2gZR3OR6NaTFtFz1FZNCOotVe5wgmfNs\n" + "-----END PUBLIC KEY-----\n" + ) + cls.key_pem = key_str + + cls.key_bytes = unpem(key_str) + assert isinstance(cls.key_bytes, bytes) + cls.vk = VerifyingKey.from_pem(key_str) + cls.sk = SigningKey.from_pem(prv_key_str) + + key_str = ( + "-----BEGIN PUBLIC KEY-----\n" + "MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE4H3iRbG4TSrsSRb/gusPQB/4YcN8\n" + "Poqzgjau4kfxBPyZimeRfuY/9g/wMmPuhGl4BUve51DsnKJFRr8psk0ieA==\n" + "-----END PUBLIC KEY-----\n" + ) + cls.vk2 = VerifyingKey.from_pem(key_str) + + cls.sk2 = SigningKey.generate(vk.curve) + + def test_load_key_with_explicit_parameters(self): + pub_key_str = ( + "-----BEGIN PUBLIC KEY-----\n" + "MIIBSzCCAQMGByqGSM49AgEwgfcCAQEwLAYHKoZIzj0BAQIhAP////8AAAABAAAA\n" + "AAAAAAAAAAAA////////////////MFsEIP////8AAAABAAAAAAAAAAAAAAAA////\n" + "///////////8BCBaxjXYqjqT57PrvVV2mIa8ZR0GsMxTsPY7zjw+J9JgSwMVAMSd\n" + "NgiG5wSTamZ44ROdJreBn36QBEEEaxfR8uEsQkf4vOblY6RA8ncDfYEt6zOg9KE5\n" + "RdiYwpZP40Li/hp/m47n60p8D54WK84zV2sxXs7LtkBoN79R9QIhAP////8AAAAA\n" + "//////////+85vqtpxeehPO5ysL8YyVRAgEBA0IABIr1UkgYs5jmbFc7it1/YI2X\n" + "T//IlaEjMNZft1owjqpBYH2ErJHk4U5Pp4WvWq1xmHwIZlsH7Ig4KmefCfR6SmU=\n" + "-----END PUBLIC KEY-----" + ) + pk = VerifyingKey.from_pem(pub_key_str) + + pk_exp = VerifyingKey.from_string( + b"\x04\x8a\xf5\x52\x48\x18\xb3\x98\xe6\x6c\x57\x3b\x8a\xdd\x7f" + b"\x60\x8d\x97\x4f\xff\xc8\x95\xa1\x23\x30\xd6\x5f\xb7\x5a\x30" + b"\x8e\xaa\x41\x60\x7d\x84\xac\x91\xe4\xe1\x4e\x4f\xa7\x85\xaf" + b"\x5a\xad\x71\x98\x7c\x08\x66\x5b\x07\xec\x88\x38\x2a\x67\x9f" + b"\x09\xf4\x7a\x4a\x65", + curve=NIST256p, + ) + self.assertEqual(pk, pk_exp) + + def test_load_key_with_explicit_with_explicit_disabled(self): + pub_key_str = ( + "-----BEGIN PUBLIC KEY-----\n" + "MIIBSzCCAQMGByqGSM49AgEwgfcCAQEwLAYHKoZIzj0BAQIhAP////8AAAABAAAA\n" + "AAAAAAAAAAAA////////////////MFsEIP////8AAAABAAAAAAAAAAAAAAAA////\n" + "///////////8BCBaxjXYqjqT57PrvVV2mIa8ZR0GsMxTsPY7zjw+J9JgSwMVAMSd\n" + "NgiG5wSTamZ44ROdJreBn36QBEEEaxfR8uEsQkf4vOblY6RA8ncDfYEt6zOg9KE5\n" + "RdiYwpZP40Li/hp/m47n60p8D54WK84zV2sxXs7LtkBoN79R9QIhAP////8AAAAA\n" + "//////////+85vqtpxeehPO5ysL8YyVRAgEBA0IABIr1UkgYs5jmbFc7it1/YI2X\n" + "T//IlaEjMNZft1owjqpBYH2ErJHk4U5Pp4WvWq1xmHwIZlsH7Ig4KmefCfR6SmU=\n" + "-----END PUBLIC KEY-----" + ) + with self.assertRaises(UnexpectedDER): + VerifyingKey.from_pem( + pub_key_str, valid_curve_encodings=["named_curve"] + ) + + def test_load_key_with_disabled_format(self): + with self.assertRaises(MalformedPointError) as e: + VerifyingKey.from_der(self.key_bytes, valid_encodings=["raw"]) + + self.assertIn("enabled (raw) encodings", str(e.exception)) + + def test_custom_hashfunc(self): + vk = VerifyingKey.from_der(self.key_bytes, hashlib.sha256) + + self.assertIs(vk.default_hashfunc, hashlib.sha256) + + def test_from_pem_with_custom_hashfunc(self): + vk = VerifyingKey.from_pem(self.key_pem, hashlib.sha256) + + self.assertIs(vk.default_hashfunc, hashlib.sha256) + + def test_bytes(self): + vk = VerifyingKey.from_der(self.key_bytes) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytes_memoryview(self): + vk = VerifyingKey.from_der(buffer(self.key_bytes)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytearray(self): + vk = VerifyingKey.from_der(bytearray(self.key_bytes)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_bytesarray_memoryview(self): + vk = VerifyingKey.from_der(buffer(bytearray(self.key_bytes))) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_bytes(self): + arr = array.array("B", self.key_bytes) + vk = VerifyingKey.from_der(arr) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_array_array_of_bytes_memoryview(self): + arr = array.array("B", self.key_bytes) + vk = VerifyingKey.from_der(buffer(arr)) + + self.assertEqual(self.vk.to_string(), vk.to_string()) + + def test_equality_on_verifying_keys(self): + self.assertEqual(self.vk, self.sk.get_verifying_key()) + + def test_inequality_on_verifying_keys(self): + self.assertNotEqual(self.vk, self.vk2) + + def test_inequality_on_verifying_keys_not_implemented(self): + self.assertNotEqual(self.vk, None) + + def test_VerifyingKey_inequality_on_same_curve(self): + self.assertNotEqual(self.vk, self.sk2.verifying_key) + + def test_SigningKey_inequality_on_same_curve(self): + self.assertNotEqual(self.sk, self.sk2) + + def test_inequality_on_wrong_types(self): + self.assertNotEqual(self.vk, self.sk) + + def test_from_public_point_old(self): + pj = self.vk.pubkey.point + point = Point(pj.curve(), pj.x(), pj.y()) + + vk = VerifyingKey.from_public_point(point, self.vk.curve) + + self.assertEqual(vk, self.vk) + + +class TestSigningKey(unittest.TestCase): + """ + Verify that ecdsa.keys.SigningKey.from_der() can be used with + bytes-like objects. + """ + + @classmethod + def setUpClass(cls): + prv_key_str = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MF8CAQEEGF7IQgvW75JSqULpiQQ8op9WH6Uldw6xxaAKBggqhkjOPQMBAaE0AzIA\n" + "BLiBd9CE7xf15FY5QIAoNg+fWbSk1yZOYtoGUdzkejWkxbRc9RWTQjqLVXucIJnz\n" + "bA==\n" + "-----END EC PRIVATE KEY-----\n" + ) + cls.sk1 = SigningKey.from_pem(prv_key_str) + + prv_key_str = ( + "-----BEGIN PRIVATE KEY-----\n" + "MG8CAQAwEwYHKoZIzj0CAQYIKoZIzj0DAQEEVTBTAgEBBBheyEIL1u+SUqlC6YkE\n" + "PKKfVh+lJXcOscWhNAMyAAS4gXfQhO8X9eRWOUCAKDYPn1m0pNcmTmLaBlHc5Ho1\n" + "pMW0XPUVk0I6i1V7nCCZ82w=\n" + "-----END PRIVATE KEY-----\n" + ) + cls.sk1_pkcs8 = SigningKey.from_pem(prv_key_str) + + prv_key_str = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MHcCAQEEIKlL2EAm5NPPZuXwxRf4nXMk0A80y6UUbiQ17be/qFhRoAoGCCqGSM49\n" + "AwEHoUQDQgAE4H3iRbG4TSrsSRb/gusPQB/4YcN8Poqzgjau4kfxBPyZimeRfuY/\n" + "9g/wMmPuhGl4BUve51DsnKJFRr8psk0ieA==\n" + "-----END EC PRIVATE KEY-----\n" + ) + cls.sk2 = SigningKey.from_pem(prv_key_str) + + def test_decoding_explicit_curve_parameters(self): + prv_key_str = ( + "-----BEGIN PRIVATE KEY-----\n" + "MIIBeQIBADCCAQMGByqGSM49AgEwgfcCAQEwLAYHKoZIzj0BAQIhAP////8AAAAB\n" + "AAAAAAAAAAAAAAAA////////////////MFsEIP////8AAAABAAAAAAAAAAAAAAAA\n" + "///////////////8BCBaxjXYqjqT57PrvVV2mIa8ZR0GsMxTsPY7zjw+J9JgSwMV\n" + "AMSdNgiG5wSTamZ44ROdJreBn36QBEEEaxfR8uEsQkf4vOblY6RA8ncDfYEt6zOg\n" + "9KE5RdiYwpZP40Li/hp/m47n60p8D54WK84zV2sxXs7LtkBoN79R9QIhAP////8A\n" + "AAAA//////////+85vqtpxeehPO5ysL8YyVRAgEBBG0wawIBAQQgIXtREfUmR16r\n" + "ZbmvDGD2lAEFPZa2DLPyz0czSja58yChRANCAASK9VJIGLOY5mxXO4rdf2CNl0//\n" + "yJWhIzDWX7daMI6qQWB9hKyR5OFOT6eFr1qtcZh8CGZbB+yIOCpnnwn0ekpl\n" + "-----END PRIVATE KEY-----\n" + ) + + sk = SigningKey.from_pem(prv_key_str) + + sk2 = SigningKey.from_string( + b"\x21\x7b\x51\x11\xf5\x26\x47\x5e\xab\x65\xb9\xaf\x0c\x60\xf6" + b"\x94\x01\x05\x3d\x96\xb6\x0c\xb3\xf2\xcf\x47\x33\x4a\x36\xb9" + b"\xf3\x20", + curve=NIST256p, + ) + + self.assertEqual(sk, sk2) + + def test_decoding_explicit_curve_parameters_with_explicit_disabled(self): + prv_key_str = ( + "-----BEGIN PRIVATE KEY-----\n" + "MIIBeQIBADCCAQMGByqGSM49AgEwgfcCAQEwLAYHKoZIzj0BAQIhAP////8AAAAB\n" + "AAAAAAAAAAAAAAAA////////////////MFsEIP////8AAAABAAAAAAAAAAAAAAAA\n" + "///////////////8BCBaxjXYqjqT57PrvVV2mIa8ZR0GsMxTsPY7zjw+J9JgSwMV\n" + "AMSdNgiG5wSTamZ44ROdJreBn36QBEEEaxfR8uEsQkf4vOblY6RA8ncDfYEt6zOg\n" + "9KE5RdiYwpZP40Li/hp/m47n60p8D54WK84zV2sxXs7LtkBoN79R9QIhAP////8A\n" + "AAAA//////////+85vqtpxeehPO5ysL8YyVRAgEBBG0wawIBAQQgIXtREfUmR16r\n" + "ZbmvDGD2lAEFPZa2DLPyz0czSja58yChRANCAASK9VJIGLOY5mxXO4rdf2CNl0//\n" + "yJWhIzDWX7daMI6qQWB9hKyR5OFOT6eFr1qtcZh8CGZbB+yIOCpnnwn0ekpl\n" + "-----END PRIVATE KEY-----\n" + ) + + with self.assertRaises(UnexpectedDER): + SigningKey.from_pem( + prv_key_str, valid_curve_encodings=["named_curve"] + ) + + def test_equality_on_signing_keys(self): + sk = SigningKey.from_secret_exponent( + self.sk1.privkey.secret_multiplier, self.sk1.curve + ) + self.assertEqual(self.sk1, sk) + self.assertEqual(self.sk1_pkcs8, sk) + + def test_verify_with_precompute(self): + sig = self.sk1.sign(b"message") + + vk = self.sk1.verifying_key + + vk.precompute() + + self.assertTrue(vk.verify(sig, b"message")) + + def test_compare_verifying_key_with_precompute(self): + vk1 = self.sk1.verifying_key + vk1.precompute() + + vk2 = self.sk1_pkcs8.verifying_key + + self.assertEqual(vk1, vk2) + + def test_verify_with_lazy_precompute(self): + sig = self.sk2.sign(b"other message") + + vk = self.sk2.verifying_key + + vk.precompute(lazy=True) + + self.assertTrue(vk.verify(sig, b"other message")) + + def test_inequality_on_signing_keys(self): + self.assertNotEqual(self.sk1, self.sk2) + + def test_inequality_on_signing_keys_not_implemented(self): + self.assertNotEqual(self.sk1, None) + + +class TestTrivialCurve(unittest.TestCase): + @classmethod + def setUpClass(cls): + # To test what happens with r or s in signing happens to be zero we + # need to find a scalar that creates one of the points on a curve that + # has x coordinate equal to zero. + # Even for secp112r2 curve that's non trivial so use this toy + # curve, for which we can iterate over all points quickly + curve = CurveFp(163, 84, 58) + gen = PointJacobi(curve, 2, 87, 1, 167, generator=True) + + cls.toy_curve = Curve("toy_p8", curve, gen, (1, 2, 0)) + + cls.sk = SigningKey.from_secret_exponent( + 140, cls.toy_curve, hashfunc=hashlib.sha1, + ) + + def test_generator_sanity(self): + gen = self.toy_curve.generator + + self.assertEqual(gen * gen.order(), INFINITY) + + def test_public_key_sanity(self): + self.assertEqual(self.sk.verifying_key.to_string(), b"\x98\x1e") + + def test_deterministic_sign(self): + sig = self.sk.sign_deterministic(b"message") + + self.assertEqual(sig, b"-.") + + self.assertTrue(self.sk.verifying_key.verify(sig, b"message")) + + def test_deterministic_sign_random_message(self): + msg = os.urandom(32) + sig = self.sk.sign_deterministic(msg) + self.assertEqual(len(sig), 2) + self.assertTrue(self.sk.verifying_key.verify(sig, msg)) + + def test_deterministic_sign_that_rises_R_zero_error(self): + # the raised RSZeroError is caught and handled internally by + # sign_deterministic methods + msg = b"\x00\x4f" + sig = self.sk.sign_deterministic(msg) + self.assertEqual(sig, b"\x36\x9e") + self.assertTrue(self.sk.verifying_key.verify(sig, msg)) + + def test_deterministic_sign_that_rises_S_zero_error(self): + msg = b"\x01\x6d" + sig = self.sk.sign_deterministic(msg) + self.assertEqual(sig, b"\x49\x6c") + self.assertTrue(self.sk.verifying_key.verify(sig, msg)) + + +# test VerifyingKey.verify() +prv_key_str = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MF8CAQEEGF7IQgvW75JSqULpiQQ8op9WH6Uldw6xxaAKBggqhkjOPQMBAaE0AzIA\n" + "BLiBd9CE7xf15FY5QIAoNg+fWbSk1yZOYtoGUdzkejWkxbRc9RWTQjqLVXucIJnz\n" + "bA==\n" + "-----END EC PRIVATE KEY-----\n" +) +key_bytes = unpem(prv_key_str) +assert isinstance(key_bytes, bytes) +sk = SigningKey.from_der(key_bytes) +vk = sk.verifying_key + +data = ( + b"some string for signing" + b"contents don't really matter" + b"but do include also some crazy values: " + b"\x00\x01\t\r\n\x00\x00\x00\xff\xf0" +) +assert len(data) % 4 == 0 +sha1 = hashlib.sha1() +sha1.update(data) +data_hash = sha1.digest() +assert isinstance(data_hash, bytes) +sig_raw = sk.sign(data, sigencode=sigencode_string) +assert isinstance(sig_raw, bytes) +sig_der = sk.sign(data, sigencode=sigencode_der) +assert isinstance(sig_der, bytes) +sig_strings = sk.sign(data, sigencode=sigencode_strings) +assert isinstance(sig_strings[0], bytes) + +verifiers = [] +for modifier, fun in [ + ("bytes", lambda x: x), + ("bytes memoryview", lambda x: buffer(x)), + ("bytearray", lambda x: bytearray(x)), + ("bytearray memoryview", lambda x: buffer(bytearray(x))), + ("array.array of bytes", lambda x: array.array("B", x)), + ("array.array of bytes memoryview", lambda x: buffer(array.array("B", x))), + ("array.array of ints", lambda x: array.array("I", x)), + ("array.array of ints memoryview", lambda x: buffer(array.array("I", x))), +]: + if "ints" in modifier: + conv = lambda x: x + else: + conv = fun + for sig_format, signature, decoder, mod_apply in [ + ("raw", sig_raw, sigdecode_string, lambda x: conv(x)), + ("der", sig_der, sigdecode_der, lambda x: conv(x)), + ( + "strings", + sig_strings, + sigdecode_strings, + lambda x: tuple(conv(i) for i in x), + ), + ]: + for method_name, vrf_mthd, vrf_data in [ + ("verify", vk.verify, data), + ("verify_digest", vk.verify_digest, data_hash), + ]: + verifiers.append( + pytest.param( + signature, + decoder, + mod_apply, + fun, + vrf_mthd, + vrf_data, + id="{2}-{0}-{1}".format(modifier, sig_format, method_name), + ) + ) + + +@pytest.mark.parametrize( + "signature,decoder,mod_apply,fun,vrf_mthd,vrf_data", verifiers +) +def test_VerifyingKey_verify( + signature, decoder, mod_apply, fun, vrf_mthd, vrf_data +): + sig = mod_apply(signature) + + assert vrf_mthd(sig, fun(vrf_data), sigdecode=decoder) + + +# test SigningKey.from_string() +prv_key_bytes = ( + b"^\xc8B\x0b\xd6\xef\x92R\xa9B\xe9\x89\x04<\xa2" + b"\x9fV\x1f\xa5%w\x0e\xb1\xc5" +) +assert len(prv_key_bytes) == 24 +converters = [] +for modifier, convert in [ + ("bytes", lambda x: x), + ("bytes memoryview", buffer), + ("bytearray", bytearray), + ("bytearray memoryview", lambda x: buffer(bytearray(x))), + ("array.array of bytes", lambda x: array.array("B", x)), + ("array.array of bytes memoryview", lambda x: buffer(array.array("B", x))), + ("array.array of ints", lambda x: array.array("I", x)), + ("array.array of ints memoryview", lambda x: buffer(array.array("I", x))), +]: + converters.append(pytest.param(convert, id=modifier)) + + +@pytest.mark.parametrize("convert", converters) +def test_SigningKey_from_string(convert): + key = convert(prv_key_bytes) + sk = SigningKey.from_string(key) + + assert sk.to_string() == prv_key_bytes + + +# test SigningKey.from_der() +prv_key_str = ( + "-----BEGIN EC PRIVATE KEY-----\n" + "MF8CAQEEGF7IQgvW75JSqULpiQQ8op9WH6Uldw6xxaAKBggqhkjOPQMBAaE0AzIA\n" + "BLiBd9CE7xf15FY5QIAoNg+fWbSk1yZOYtoGUdzkejWkxbRc9RWTQjqLVXucIJnz\n" + "bA==\n" + "-----END EC PRIVATE KEY-----\n" +) +key_bytes = unpem(prv_key_str) +assert isinstance(key_bytes, bytes) + +# last two converters are for array.array of ints, those require input +# that's multiple of 4, which no curve we support produces +@pytest.mark.parametrize("convert", converters[:-2]) +def test_SigningKey_from_der(convert): + key = convert(key_bytes) + sk = SigningKey.from_der(key) + + assert sk.to_string() == prv_key_bytes + + +# test SigningKey.sign_deterministic() +extra_entropy = b"\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11" + + +@pytest.mark.parametrize("convert", converters) +def test_SigningKey_sign_deterministic(convert): + sig = sk.sign_deterministic( + convert(data), extra_entropy=convert(extra_entropy) + ) + + vk.verify(sig, data) + + +# test SigningKey.sign_digest_deterministic() +@pytest.mark.parametrize("convert", converters) +def test_SigningKey_sign_digest_deterministic(convert): + sig = sk.sign_digest_deterministic( + convert(data_hash), extra_entropy=convert(extra_entropy) + ) + + vk.verify(sig, data) + + +@pytest.mark.parametrize("convert", converters) +def test_SigningKey_sign(convert): + sig = sk.sign(convert(data)) + + vk.verify(sig, data) + + +@pytest.mark.parametrize("convert", converters) +def test_SigningKey_sign_digest(convert): + sig = sk.sign_digest(convert(data_hash)) + + vk.verify(sig, data) + + +def test_SigningKey_with_unlikely_value(): + sk = SigningKey.from_secret_exponent(NIST256p.order - 1, curve=NIST256p) + vk = sk.verifying_key + sig = sk.sign(b"hello") + assert vk.verify(sig, b"hello") + + +def test_SigningKey_with_custom_curve_old_point(): + generator = generator_brainpoolp160r1 + generator = Point( + generator.curve(), generator.x(), generator.y(), generator.order(), + ) + + curve = Curve( + "BRAINPOOLP160r1", + generator.curve(), + generator, + (1, 3, 36, 3, 3, 2, 8, 1, 1, 1), + ) + + sk = SigningKey.from_secret_exponent(12, curve) + + sk2 = SigningKey.from_secret_exponent(12, BRAINPOOLP160r1) + + assert sk.privkey == sk2.privkey + + +def test_VerifyingKey_inequality_with_different_curves(): + sk1 = SigningKey.from_secret_exponent(2, BRAINPOOLP160r1) + sk2 = SigningKey.from_secret_exponent(2, NIST256p) + + assert sk1.verifying_key != sk2.verifying_key + + +def test_VerifyingKey_inequality_with_different_secret_points(): + sk1 = SigningKey.from_secret_exponent(2, BRAINPOOLP160r1) + sk2 = SigningKey.from_secret_exponent(3, BRAINPOOLP160r1) + + assert sk1.verifying_key != sk2.verifying_key diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_malformed_sigs.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_malformed_sigs.py new file mode 100644 index 0000000..3cc1b2b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_malformed_sigs.py @@ -0,0 +1,349 @@ +from __future__ import with_statement, division + +import hashlib + +try: + from hashlib import algorithms_available +except ImportError: # pragma: no cover + algorithms_available = [ + "md5", + "sha1", + "sha224", + "sha256", + "sha384", + "sha512", + ] +from functools import partial +import pytest +import sys +import hypothesis.strategies as st +from hypothesis import note, assume, given, settings, example + +from .keys import SigningKey +from .keys import BadSignatureError +from .util import sigencode_der, sigencode_string +from .util import sigdecode_der, sigdecode_string +from .curves import curves +from .der import ( + encode_integer, + encode_bitstring, + encode_octet_string, + encode_oid, + encode_sequence, + encode_constructed, +) + + +example_data = b"some data to sign" +"""Since the data is hashed for processing, really any string will do.""" + + +hash_and_size = [ + (name, hashlib.new(name).digest_size) for name in algorithms_available +] +"""Pairs of hash names and their output sizes. +Needed for pairing with curves as we don't support hashes +bigger than order sizes of curves.""" + + +keys_and_sigs = [] +"""Name of the curve+hash combination, VerifyingKey and DER signature.""" + + +# for hypothesis strategy shrinking we want smallest curves and hashes first +for curve in sorted(curves, key=lambda x: x.baselen): + for hash_alg in [ + name + for name, size in sorted(hash_and_size, key=lambda x: x[1]) + if 0 < size <= curve.baselen + ]: + sk = SigningKey.generate( + curve, hashfunc=partial(hashlib.new, hash_alg) + ) + + keys_and_sigs.append( + ( + "{0} {1}".format(curve, hash_alg), + sk.verifying_key, + sk.sign(example_data, sigencode=sigencode_der), + ) + ) + + +# first make sure that the signatures can be verified +@pytest.mark.parametrize( + "verifying_key,signature", + [pytest.param(vk, sig, id=name) for name, vk, sig in keys_and_sigs], +) +def test_signatures(verifying_key, signature): + assert verifying_key.verify( + signature, example_data, sigdecode=sigdecode_der + ) + + +@st.composite +def st_fuzzed_sig(draw, keys_and_sigs): + """ + Hypothesis strategy that generates pairs of VerifyingKey and malformed + signatures created by fuzzing of a valid signature. + """ + name, verifying_key, old_sig = draw(st.sampled_from(keys_and_sigs)) + note("Configuration: {0}".format(name)) + + sig = bytearray(old_sig) + + # decide which bytes should be removed + to_remove = draw( + st.lists(st.integers(min_value=0, max_value=len(sig) - 1), unique=True) + ) + to_remove.sort() + for i in reversed(to_remove): + del sig[i] + note("Remove bytes: {0}".format(to_remove)) + + # decide which bytes of the original signature should be changed + if sig: # pragma: no branch + xors = draw( + st.dictionaries( + st.integers(min_value=0, max_value=len(sig) - 1), + st.integers(min_value=1, max_value=255), + ) + ) + for i, val in xors.items(): + sig[i] ^= val + note("xors: {0}".format(xors)) + + # decide where new data should be inserted + insert_pos = draw(st.integers(min_value=0, max_value=len(sig))) + # NIST521p signature is about 140 bytes long, test slightly longer + insert_data = draw(st.binary(max_size=256)) + + sig = sig[:insert_pos] + insert_data + sig[insert_pos:] + note( + "Inserted at position {0} bytes: {1!r}".format(insert_pos, insert_data) + ) + + sig = bytes(sig) + # make sure that there was performed at least one mutation on the data + assume(to_remove or xors or insert_data) + # and that the mutations didn't cancel each-other out + assume(sig != old_sig) + + return verifying_key, sig + + +params = {} +# not supported in hypothesis 2.0.0 +if sys.version_info >= (2, 7): # pragma: no branch + from hypothesis import HealthCheck + + # deadline=5s because NIST521p are slow to verify + params["deadline"] = 5000 + params["suppress_health_check"] = [ + HealthCheck.data_too_large, + HealthCheck.filter_too_much, + HealthCheck.too_slow, + ] + +slow_params = dict(params) +slow_params["max_examples"] = 10 + + +@settings(**params) +@given(st_fuzzed_sig(keys_and_sigs)) +def test_fuzzed_der_signatures(args): + verifying_key, sig = args + + with pytest.raises(BadSignatureError): + verifying_key.verify(sig, example_data, sigdecode=sigdecode_der) + + +@st.composite +def st_random_der_ecdsa_sig_value(draw): + """ + Hypothesis strategy for selecting random values and encoding them + to ECDSA-Sig-Value object:: + + ECDSA-Sig-Value ::= SEQUENCE { + r INTEGER, + s INTEGER + } + """ + name, verifying_key, _ = draw(st.sampled_from(keys_and_sigs)) + note("Configuration: {0}".format(name)) + order = int(verifying_key.curve.order) + + # the encode_integer doesn't suport negative numbers, would be nice + # to generate them too, but we have coverage for remove_integer() + # verifying that it doesn't accept them, so meh. + # Test all numbers around the ones that can show up (around order) + # way smaller and slightly bigger + r = draw( + st.integers(min_value=0, max_value=order << 4) + | st.integers(min_value=order >> 2, max_value=order + 1) + ) + s = draw( + st.integers(min_value=0, max_value=order << 4) + | st.integers(min_value=order >> 2, max_value=order + 1) + ) + + sig = encode_sequence(encode_integer(r), encode_integer(s)) + + return verifying_key, sig + + +@settings(**slow_params) +@given(st_random_der_ecdsa_sig_value()) +def test_random_der_ecdsa_sig_value(params): + """ + Check if random values encoded in ECDSA-Sig-Value structure are rejected + as signature. + """ + verifying_key, sig = params + + with pytest.raises(BadSignatureError): + verifying_key.verify(sig, example_data, sigdecode=sigdecode_der) + + +def st_der_integer(*args, **kwargs): + """ + Hypothesis strategy that returns a random positive integer as DER + INTEGER. + Parameters are passed to hypothesis.strategy.integer. + """ + if "min_value" not in kwargs: # pragma: no branch + kwargs["min_value"] = 0 + return st.builds(encode_integer, st.integers(*args, **kwargs)) + + +@st.composite +def st_der_bit_string(draw, *args, **kwargs): + """ + Hypothesis strategy that returns a random DER BIT STRING. + Parameters are passed to hypothesis.strategy.binary. + """ + data = draw(st.binary(*args, **kwargs)) + if data: + unused = draw(st.integers(min_value=0, max_value=7)) + data = bytearray(data) + data[-1] &= -(2 ** unused) + data = bytes(data) + else: + unused = 0 + return encode_bitstring(data, unused) + + +def st_der_octet_string(*args, **kwargs): + """ + Hypothesis strategy that returns a random DER OCTET STRING object. + Parameters are passed to hypothesis.strategy.binary + """ + return st.builds(encode_octet_string, st.binary(*args, **kwargs)) + + +def st_der_null(): + """ + Hypothesis strategy that returns DER NULL object. + """ + return st.just(b"\x05\x00") + + +@st.composite +def st_der_oid(draw): + """ + Hypothesis strategy that returns DER OBJECT IDENTIFIER objects. + """ + first = draw(st.integers(min_value=0, max_value=2)) + if first < 2: + second = draw(st.integers(min_value=0, max_value=39)) + else: + second = draw(st.integers(min_value=0, max_value=2 ** 512)) + rest = draw( + st.lists(st.integers(min_value=0, max_value=2 ** 512), max_size=50) + ) + return encode_oid(first, second, *rest) + + +def st_der(): + """ + Hypothesis strategy that returns random DER structures. + + A valid DER structure is any primitive object, an octet encoding + of a valid DER structure, sequence of valid DER objects or a constructed + encoding of any of the above. + """ + return st.recursive( + st.just(b"") + | st_der_integer(max_value=2 ** 4096) + | st_der_bit_string(max_size=1024 ** 2) + | st_der_octet_string(max_size=1024 ** 2) + | st_der_null() + | st_der_oid(), + lambda children: st.builds( + lambda x: encode_octet_string(x), st.one_of(children) + ) + | st.builds(lambda x: encode_bitstring(x, 0), st.one_of(children)) + | st.builds( + lambda x: encode_sequence(*x), st.lists(children, max_size=200) + ) + | st.builds( + lambda tag, x: encode_constructed(tag, x), + st.integers(min_value=0, max_value=0x3F), + st.one_of(children), + ), + max_leaves=40, + ) + + +@settings(**params) +@given(st.sampled_from(keys_and_sigs), st_der()) +def test_random_der_as_signature(params, der): + """Check if random DER structures are rejected as signature""" + name, verifying_key, _ = params + + with pytest.raises(BadSignatureError): + verifying_key.verify(der, example_data, sigdecode=sigdecode_der) + + +@settings(**params) +@given(st.sampled_from(keys_and_sigs), st.binary(max_size=1024 ** 2)) +@example( + keys_and_sigs[0], encode_sequence(encode_integer(0), encode_integer(0)) +) +@example( + keys_and_sigs[0], + encode_sequence(encode_integer(1), encode_integer(1)) + b"\x00", +) +@example(keys_and_sigs[0], encode_sequence(*[encode_integer(1)] * 3)) +def test_random_bytes_as_signature(params, der): + """Check if random bytes are rejected as signature""" + name, verifying_key, _ = params + + with pytest.raises(BadSignatureError): + verifying_key.verify(der, example_data, sigdecode=sigdecode_der) + + +keys_and_string_sigs = [ + ( + name, + verifying_key, + sigencode_string( + *sigdecode_der(sig, verifying_key.curve.order), + order=verifying_key.curve.order + ), + ) + for name, verifying_key, sig in keys_and_sigs +] +""" +Name of the curve+hash combination, VerifyingKey and signature as a +byte string. +""" + + +@settings(**params) +@given(st_fuzzed_sig(keys_and_string_sigs)) +def test_fuzzed_string_signatures(params): + verifying_key, sig = params + + with pytest.raises(BadSignatureError): + verifying_key.verify(sig, example_data, sigdecode=sigdecode_string) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_numbertheory.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_numbertheory.py new file mode 100644 index 0000000..d0b5e4d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_numbertheory.py @@ -0,0 +1,408 @@ +import operator +from functools import reduce + +try: + import unittest2 as unittest +except ImportError: + import unittest +import hypothesis.strategies as st +import pytest +from hypothesis import given, settings, example + +try: + from hypothesis import HealthCheck + + HC_PRESENT = True +except ImportError: # pragma: no cover + HC_PRESENT = False +from .numbertheory import ( + SquareRootError, + factorization, + gcd, + lcm, + jacobi, + inverse_mod, + is_prime, + next_prime, + smallprimes, + square_root_mod_prime, +) + + +BIGPRIMES = ( + 999671, + 999683, + 999721, + 999727, + 999749, + 999763, + 999769, + 999773, + 999809, + 999853, + 999863, + 999883, + 999907, + 999917, + 999931, + 999953, + 999959, + 999961, + 999979, + 999983, +) + + +@pytest.mark.parametrize( + "prime, next_p", [(p, q) for p, q in zip(BIGPRIMES[:-1], BIGPRIMES[1:])] +) +def test_next_prime(prime, next_p): + assert next_prime(prime) == next_p + + +@pytest.mark.parametrize("val", [-1, 0, 1]) +def test_next_prime_with_nums_less_2(val): + assert next_prime(val) == 2 + + +@pytest.mark.parametrize("prime", smallprimes) +def test_square_root_mod_prime_for_small_primes(prime): + squares = set() + for num in range(0, 1 + prime // 2): + sq = num * num % prime + squares.add(sq) + root = square_root_mod_prime(sq, prime) + # tested for real with TestNumbertheory.test_square_root_mod_prime + assert root * root % prime == sq + + for nonsquare in range(0, prime): + if nonsquare in squares: + continue + with pytest.raises(SquareRootError): + square_root_mod_prime(nonsquare, prime) + + +def test_square_root_mod_prime_for_2(): + a = square_root_mod_prime(1, 2) + assert a == 1 + + +def test_square_root_mod_prime_for_small_prime(): + root = square_root_mod_prime(98 ** 2 % 101, 101) + assert root * root % 101 == 9 + + +def test_square_root_mod_prime_for_p_congruent_5(): + p = 13 + assert p % 8 == 5 + + root = square_root_mod_prime(3, p) + assert root * root % p == 3 + + +def test_square_root_mod_prime_for_p_congruent_5_large_d(): + p = 29 + assert p % 8 == 5 + + root = square_root_mod_prime(4, p) + assert root * root % p == 4 + + +@st.composite +def st_two_nums_rel_prime(draw): + # 521-bit is the biggest curve we operate on, use 1024 for a bit + # of breathing space + mod = draw(st.integers(min_value=2, max_value=2 ** 1024)) + num = draw( + st.integers(min_value=1, max_value=mod - 1).filter( + lambda x: gcd(x, mod) == 1 + ) + ) + return num, mod + + +@st.composite +def st_primes(draw, *args, **kwargs): + if "min_value" not in kwargs: # pragma: no branch + kwargs["min_value"] = 1 + prime = draw( + st.sampled_from(smallprimes) + | st.integers(*args, **kwargs).filter(is_prime) + ) + return prime + + +@st.composite +def st_num_square_prime(draw): + prime = draw(st_primes(max_value=2 ** 1024)) + num = draw(st.integers(min_value=0, max_value=1 + prime // 2)) + sq = num * num % prime + return sq, prime + + +@st.composite +def st_comp_with_com_fac(draw): + """ + Strategy that returns lists of numbers, all having a common factor. + """ + primes = draw( + st.lists(st_primes(max_value=2 ** 512), min_size=1, max_size=10) + ) + # select random prime(s) that will make the common factor of composites + com_fac_primes = draw( + st.lists(st.sampled_from(primes), min_size=1, max_size=20) + ) + com_fac = reduce(operator.mul, com_fac_primes, 1) + + # select at most 20 lists (returned numbers), + # each having at most 30 primes (factors) including none (then the number + # will be 1) + comp_primes = draw( + st.integers(min_value=1, max_value=20).flatmap( + lambda n: st.lists( + st.lists(st.sampled_from(primes), max_size=30), + min_size=1, + max_size=n, + ) + ) + ) + + return [reduce(operator.mul, nums, 1) * com_fac for nums in comp_primes] + + +@st.composite +def st_comp_no_com_fac(draw): + """ + Strategy that returns lists of numbers that don't have a common factor. + """ + primes = draw( + st.lists( + st_primes(max_value=2 ** 512), min_size=2, max_size=10, unique=True + ) + ) + # first select the primes that will create the uncommon factor + # between returned numbers + uncom_fac_primes = draw( + st.lists( + st.sampled_from(primes), + min_size=1, + max_size=len(primes) - 1, + unique=True, + ) + ) + uncom_fac = reduce(operator.mul, uncom_fac_primes, 1) + + # then build composites from leftover primes + leftover_primes = [i for i in primes if i not in uncom_fac_primes] + + assert leftover_primes + assert uncom_fac_primes + + # select at most 20 lists, each having at most 30 primes + # selected from the leftover_primes list + number_primes = draw( + st.integers(min_value=1, max_value=20).flatmap( + lambda n: st.lists( + st.lists(st.sampled_from(leftover_primes), max_size=30), + min_size=1, + max_size=n, + ) + ) + ) + + numbers = [reduce(operator.mul, nums, 1) for nums in number_primes] + + insert_at = draw(st.integers(min_value=0, max_value=len(numbers))) + numbers.insert(insert_at, uncom_fac) + return numbers + + +HYP_SETTINGS = {} +if HC_PRESENT: # pragma: no branch + HYP_SETTINGS["suppress_health_check"] = [ + HealthCheck.filter_too_much, + HealthCheck.too_slow, + ] + # the factorization() sometimes takes a long time to finish + HYP_SETTINGS["deadline"] = 5000 + + +HYP_SLOW_SETTINGS = dict(HYP_SETTINGS) +HYP_SLOW_SETTINGS["max_examples"] = 10 + + +class TestIsPrime(unittest.TestCase): + def test_very_small_prime(self): + assert is_prime(23) + + def test_very_small_composite(self): + assert not is_prime(22) + + def test_small_prime(self): + assert is_prime(123456791) + + def test_special_composite(self): + assert not is_prime(10261) + + def test_medium_prime_1(self): + # nextPrime[2^256] + assert is_prime(2 ** 256 + 0x129) + + def test_medium_prime_2(self): + # nextPrime(2^256+0x129) + assert is_prime(2 ** 256 + 0x12D) + + def test_medium_trivial_composite(self): + assert not is_prime(2 ** 256 + 0x130) + + def test_medium_non_trivial_composite(self): + assert not is_prime(2 ** 256 + 0x12F) + + def test_large_prime(self): + # nextPrime[2^2048] + assert is_prime(2 ** 2048 + 0x3D5) + + +class TestNumbertheory(unittest.TestCase): + def test_gcd(self): + assert gcd(3 * 5 * 7, 3 * 5 * 11, 3 * 5 * 13) == 3 * 5 + assert gcd([3 * 5 * 7, 3 * 5 * 11, 3 * 5 * 13]) == 3 * 5 + assert gcd(3) == 3 + + @unittest.skipUnless( + HC_PRESENT, + "Hypothesis 2.0.0 can't be made tolerant of hard to " + "meet requirements (like `is_prime()`), the test " + "case times-out on it", + ) + @settings(**HYP_SLOW_SETTINGS) + @given(st_comp_with_com_fac()) + def test_gcd_with_com_factor(self, numbers): + n = gcd(numbers) + assert 1 in numbers or n != 1 + for i in numbers: + assert i % n == 0 + + @unittest.skipUnless( + HC_PRESENT, + "Hypothesis 2.0.0 can't be made tolerant of hard to " + "meet requirements (like `is_prime()`), the test " + "case times-out on it", + ) + @settings(**HYP_SLOW_SETTINGS) + @given(st_comp_no_com_fac()) + def test_gcd_with_uncom_factor(self, numbers): + n = gcd(numbers) + assert n == 1 + + @given( + st.lists( + st.integers(min_value=1, max_value=2 ** 8192), + min_size=1, + max_size=20, + ) + ) + def test_gcd_with_random_numbers(self, numbers): + n = gcd(numbers) + for i in numbers: + # check that at least it's a divider + assert i % n == 0 + + def test_lcm(self): + assert lcm(3, 5 * 3, 7 * 3) == 3 * 5 * 7 + assert lcm([3, 5 * 3, 7 * 3]) == 3 * 5 * 7 + assert lcm(3) == 3 + + @given( + st.lists( + st.integers(min_value=1, max_value=2 ** 8192), + min_size=1, + max_size=20, + ) + ) + def test_lcm_with_random_numbers(self, numbers): + n = lcm(numbers) + for i in numbers: + assert n % i == 0 + + @unittest.skipUnless( + HC_PRESENT, + "Hypothesis 2.0.0 can't be made tolerant of hard to " + "meet requirements (like `is_prime()`), the test " + "case times-out on it", + ) + @settings(**HYP_SETTINGS) + @given(st_num_square_prime()) + def test_square_root_mod_prime(self, vals): + square, prime = vals + + calc = square_root_mod_prime(square, prime) + assert calc * calc % prime == square + + @settings(**HYP_SETTINGS) + @given(st.integers(min_value=1, max_value=10 ** 12)) + @example(265399 * 1526929) + @example(373297 ** 2 * 553991) + def test_factorization(self, num): + factors = factorization(num) + mult = 1 + for i in factors: + mult *= i[0] ** i[1] + assert mult == num + + def test_factorisation_smallprimes(self): + exp = 101 * 103 + assert 101 in smallprimes + assert 103 in smallprimes + factors = factorization(exp) + mult = 1 + for i in factors: + mult *= i[0] ** i[1] + assert mult == exp + + def test_factorisation_not_smallprimes(self): + exp = 1231 * 1237 + assert 1231 not in smallprimes + assert 1237 not in smallprimes + factors = factorization(exp) + mult = 1 + for i in factors: + mult *= i[0] ** i[1] + assert mult == exp + + def test_jacobi_with_zero(self): + assert jacobi(0, 3) == 0 + + def test_jacobi_with_one(self): + assert jacobi(1, 3) == 1 + + @settings(**HYP_SETTINGS) + @given(st.integers(min_value=3, max_value=1000).filter(lambda x: x % 2)) + def test_jacobi(self, mod): + if is_prime(mod): + squares = set() + for root in range(1, mod): + assert jacobi(root * root, mod) == 1 + squares.add(root * root % mod) + for i in range(1, mod): + if i not in squares: + assert jacobi(i, mod) == -1 + else: + factors = factorization(mod) + for a in range(1, mod): + c = 1 + for i in factors: + c *= jacobi(a, i[0]) ** i[1] + assert c == jacobi(a, mod) + + @given(st_two_nums_rel_prime()) + def test_inverse_mod(self, nums): + num, mod = nums + + inv = inverse_mod(num, mod) + + assert 0 < inv < mod + assert num * inv % mod == 1 + + def test_inverse_mod_with_zero(self): + assert 0 == inverse_mod(0, 11) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_pyecdsa.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_pyecdsa.py new file mode 100644 index 0000000..c1393bc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_pyecdsa.py @@ -0,0 +1,2151 @@ +from __future__ import with_statement, division + +try: + import unittest2 as unittest +except ImportError: + import unittest +import os +import sys +import shutil +import subprocess +import pytest +from binascii import hexlify, unhexlify +from hashlib import sha1, sha256, sha384, sha512 +import hashlib +from functools import partial + +from hypothesis import given +import hypothesis.strategies as st + +from six import b, print_, binary_type +from .keys import SigningKey, VerifyingKey +from .keys import BadSignatureError, MalformedPointError, BadDigestError +from . import util +from .util import sigencode_der, sigencode_strings +from .util import sigdecode_der, sigdecode_strings +from .util import number_to_string, encoded_oid_ecPublicKey, MalformedSignature +from .curves import Curve, UnknownCurveError +from .curves import ( + SECP112r1, + SECP112r2, + SECP128r1, + SECP160r1, + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + SECP256k1, + BRAINPOOLP160r1, + BRAINPOOLP192r1, + BRAINPOOLP224r1, + BRAINPOOLP256r1, + BRAINPOOLP320r1, + BRAINPOOLP384r1, + BRAINPOOLP512r1, + curves, +) +from .ecdsa import ( + curve_brainpoolp224r1, + curve_brainpoolp256r1, + curve_brainpoolp384r1, + curve_brainpoolp512r1, +) +from .ellipticcurve import Point +from . import der +from . import rfc6979 +from . import ecdsa + + +class SubprocessError(Exception): + pass + + +def run_openssl(cmd): + OPENSSL = "openssl" + p = subprocess.Popen( + [OPENSSL] + cmd.split(), + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT, + ) + stdout, ignored = p.communicate() + if p.returncode != 0: + raise SubprocessError( + "cmd '%s %s' failed: rc=%s, stdout/err was %s" + % (OPENSSL, cmd, p.returncode, stdout) + ) + return stdout.decode() + + +class ECDSA(unittest.TestCase): + def test_basic(self): + priv = SigningKey.generate() + pub = priv.get_verifying_key() + + data = b("blahblah") + sig = priv.sign(data) + + self.assertTrue(pub.verify(sig, data)) + self.assertRaises(BadSignatureError, pub.verify, sig, data + b("bad")) + + pub2 = VerifyingKey.from_string(pub.to_string()) + self.assertTrue(pub2.verify(sig, data)) + + def test_deterministic(self): + data = b("blahblah") + secexp = int("9d0219792467d7d37b4d43298a7d0c05", 16) + + priv = SigningKey.from_secret_exponent(secexp, SECP256k1, sha256) + pub = priv.get_verifying_key() + + k = rfc6979.generate_k( + SECP256k1.generator.order(), secexp, sha256, sha256(data).digest() + ) + + sig1 = priv.sign(data, k=k) + self.assertTrue(pub.verify(sig1, data)) + + sig2 = priv.sign(data, k=k) + self.assertTrue(pub.verify(sig2, data)) + + sig3 = priv.sign_deterministic(data, sha256) + self.assertTrue(pub.verify(sig3, data)) + + self.assertEqual(sig1, sig2) + self.assertEqual(sig1, sig3) + + def test_bad_usage(self): + # sk=SigningKey() is wrong + self.assertRaises(TypeError, SigningKey) + self.assertRaises(TypeError, VerifyingKey) + + def test_lengths(self): + default = NIST192p + priv = SigningKey.generate() + pub = priv.get_verifying_key() + self.assertEqual(len(pub.to_string()), default.verifying_key_length) + sig = priv.sign(b("data")) + self.assertEqual(len(sig), default.signature_length) + for curve in ( + NIST192p, + NIST224p, + NIST256p, + NIST384p, + NIST521p, + BRAINPOOLP160r1, + BRAINPOOLP192r1, + BRAINPOOLP224r1, + BRAINPOOLP256r1, + BRAINPOOLP320r1, + BRAINPOOLP384r1, + BRAINPOOLP512r1, + ): + priv = SigningKey.generate(curve=curve) + pub1 = priv.get_verifying_key() + pub2 = VerifyingKey.from_string(pub1.to_string(), curve) + self.assertEqual(pub1.to_string(), pub2.to_string()) + self.assertEqual(len(pub1.to_string()), curve.verifying_key_length) + sig = priv.sign(b("data")) + self.assertEqual(len(sig), curve.signature_length) + + def test_serialize(self): + seed = b("secret") + curve = NIST192p + secexp1 = util.randrange_from_seed__trytryagain(seed, curve.order) + secexp2 = util.randrange_from_seed__trytryagain(seed, curve.order) + self.assertEqual(secexp1, secexp2) + priv1 = SigningKey.from_secret_exponent(secexp1, curve) + priv2 = SigningKey.from_secret_exponent(secexp2, curve) + self.assertEqual( + hexlify(priv1.to_string()), hexlify(priv2.to_string()) + ) + self.assertEqual(priv1.to_pem(), priv2.to_pem()) + pub1 = priv1.get_verifying_key() + pub2 = priv2.get_verifying_key() + data = b("data") + sig1 = priv1.sign(data) + sig2 = priv2.sign(data) + self.assertTrue(pub1.verify(sig1, data)) + self.assertTrue(pub2.verify(sig1, data)) + self.assertTrue(pub1.verify(sig2, data)) + self.assertTrue(pub2.verify(sig2, data)) + self.assertEqual(hexlify(pub1.to_string()), hexlify(pub2.to_string())) + + def test_nonrandom(self): + s = b("all the entropy in the entire world, compressed into one line") + + def not_much_entropy(numbytes): + return s[:numbytes] + + # we control the entropy source, these two keys should be identical: + priv1 = SigningKey.generate(entropy=not_much_entropy) + priv2 = SigningKey.generate(entropy=not_much_entropy) + self.assertEqual( + hexlify(priv1.get_verifying_key().to_string()), + hexlify(priv2.get_verifying_key().to_string()), + ) + # likewise, signatures should be identical. Obviously you'd never + # want to do this with keys you care about, because the secrecy of + # the private key depends upon using different random numbers for + # each signature + sig1 = priv1.sign(b("data"), entropy=not_much_entropy) + sig2 = priv2.sign(b("data"), entropy=not_much_entropy) + self.assertEqual(hexlify(sig1), hexlify(sig2)) + + def assertTruePrivkeysEqual(self, priv1, priv2): + self.assertEqual( + priv1.privkey.secret_multiplier, priv2.privkey.secret_multiplier + ) + self.assertEqual( + priv1.privkey.public_key.generator, + priv2.privkey.public_key.generator, + ) + + def test_privkey_creation(self): + s = b("all the entropy in the entire world, compressed into one line") + + def not_much_entropy(numbytes): + return s[:numbytes] + + priv1 = SigningKey.generate() + self.assertEqual(priv1.baselen, NIST192p.baselen) + + priv1 = SigningKey.generate(curve=NIST224p) + self.assertEqual(priv1.baselen, NIST224p.baselen) + + priv1 = SigningKey.generate(entropy=not_much_entropy) + self.assertEqual(priv1.baselen, NIST192p.baselen) + priv2 = SigningKey.generate(entropy=not_much_entropy) + self.assertEqual(priv2.baselen, NIST192p.baselen) + self.assertTruePrivkeysEqual(priv1, priv2) + + priv1 = SigningKey.from_secret_exponent(secexp=3) + self.assertEqual(priv1.baselen, NIST192p.baselen) + priv2 = SigningKey.from_secret_exponent(secexp=3) + self.assertTruePrivkeysEqual(priv1, priv2) + + priv1 = SigningKey.from_secret_exponent(secexp=4, curve=NIST224p) + self.assertEqual(priv1.baselen, NIST224p.baselen) + + def test_privkey_strings(self): + priv1 = SigningKey.generate() + s1 = priv1.to_string() + self.assertEqual(type(s1), binary_type) + self.assertEqual(len(s1), NIST192p.baselen) + priv2 = SigningKey.from_string(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + s1 = priv1.to_pem() + self.assertEqual(type(s1), binary_type) + self.assertTrue(s1.startswith(b("-----BEGIN EC PRIVATE KEY-----"))) + self.assertTrue(s1.strip().endswith(b("-----END EC PRIVATE KEY-----"))) + priv2 = SigningKey.from_pem(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + s1 = priv1.to_der() + self.assertEqual(type(s1), binary_type) + priv2 = SigningKey.from_der(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + priv1 = SigningKey.generate(curve=NIST256p) + s1 = priv1.to_pem() + self.assertEqual(type(s1), binary_type) + self.assertTrue(s1.startswith(b("-----BEGIN EC PRIVATE KEY-----"))) + self.assertTrue(s1.strip().endswith(b("-----END EC PRIVATE KEY-----"))) + priv2 = SigningKey.from_pem(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + s1 = priv1.to_der() + self.assertEqual(type(s1), binary_type) + priv2 = SigningKey.from_der(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + def test_privkey_strings_brainpool(self): + priv1 = SigningKey.generate(curve=BRAINPOOLP512r1) + s1 = priv1.to_pem() + self.assertEqual(type(s1), binary_type) + self.assertTrue(s1.startswith(b("-----BEGIN EC PRIVATE KEY-----"))) + self.assertTrue(s1.strip().endswith(b("-----END EC PRIVATE KEY-----"))) + priv2 = SigningKey.from_pem(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + s1 = priv1.to_der() + self.assertEqual(type(s1), binary_type) + priv2 = SigningKey.from_der(s1) + self.assertTruePrivkeysEqual(priv1, priv2) + + def assertTruePubkeysEqual(self, pub1, pub2): + self.assertEqual(pub1.pubkey.point, pub2.pubkey.point) + self.assertEqual(pub1.pubkey.generator, pub2.pubkey.generator) + self.assertEqual(pub1.curve, pub2.curve) + + def test_pubkey_strings(self): + priv1 = SigningKey.generate() + pub1 = priv1.get_verifying_key() + s1 = pub1.to_string() + self.assertEqual(type(s1), binary_type) + self.assertEqual(len(s1), NIST192p.verifying_key_length) + pub2 = VerifyingKey.from_string(s1) + self.assertTruePubkeysEqual(pub1, pub2) + + priv1 = SigningKey.generate(curve=NIST256p) + pub1 = priv1.get_verifying_key() + s1 = pub1.to_string() + self.assertEqual(type(s1), binary_type) + self.assertEqual(len(s1), NIST256p.verifying_key_length) + pub2 = VerifyingKey.from_string(s1, curve=NIST256p) + self.assertTruePubkeysEqual(pub1, pub2) + + pub1_der = pub1.to_der() + self.assertEqual(type(pub1_der), binary_type) + pub2 = VerifyingKey.from_der(pub1_der) + self.assertTruePubkeysEqual(pub1, pub2) + + self.assertRaises( + der.UnexpectedDER, VerifyingKey.from_der, pub1_der + b("junk") + ) + badpub = VerifyingKey.from_der(pub1_der) + + class FakeGenerator: + def order(self): + return 123456789 + + class FakeCurveFp: + def p(self): + return int( + "6525534529039240705020950546962731340" + "4541085228058844382513856749047873406763" + ) + + badcurve = Curve( + "unknown", FakeCurveFp(), FakeGenerator(), (1, 2, 3, 4, 5, 6), None + ) + badpub.curve = badcurve + badder = badpub.to_der() + self.assertRaises(UnknownCurveError, VerifyingKey.from_der, badder) + + pem = pub1.to_pem() + self.assertEqual(type(pem), binary_type) + self.assertTrue(pem.startswith(b("-----BEGIN PUBLIC KEY-----")), pem) + self.assertTrue( + pem.strip().endswith(b("-----END PUBLIC KEY-----")), pem + ) + pub2 = VerifyingKey.from_pem(pem) + self.assertTruePubkeysEqual(pub1, pub2) + + def test_pubkey_strings_brainpool(self): + priv1 = SigningKey.generate(curve=BRAINPOOLP512r1) + pub1 = priv1.get_verifying_key() + s1 = pub1.to_string() + self.assertEqual(type(s1), binary_type) + self.assertEqual(len(s1), BRAINPOOLP512r1.verifying_key_length) + pub2 = VerifyingKey.from_string(s1, curve=BRAINPOOLP512r1) + self.assertTruePubkeysEqual(pub1, pub2) + + pub1_der = pub1.to_der() + self.assertEqual(type(pub1_der), binary_type) + pub2 = VerifyingKey.from_der(pub1_der) + self.assertTruePubkeysEqual(pub1, pub2) + + def test_vk_to_der_with_invalid_point_encoding(self): + sk = SigningKey.generate() + vk = sk.verifying_key + + with self.assertRaises(ValueError): + vk.to_der("raw") + + def test_sk_to_der_with_invalid_point_encoding(self): + sk = SigningKey.generate() + + with self.assertRaises(ValueError): + sk.to_der("raw") + + def test_vk_from_der_garbage_after_curve_oid(self): + type_oid_der = encoded_oid_ecPublicKey + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + b( + "garbage" + ) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\x00\xff", None) + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(der.UnexpectedDER): + VerifyingKey.from_der(to_decode) + + def test_vk_from_der_invalid_key_type(self): + type_oid_der = der.encode_oid(*(1, 2, 3)) + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\x00\xff", None) + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(der.UnexpectedDER): + VerifyingKey.from_der(to_decode) + + def test_vk_from_der_garbage_after_point_string(self): + type_oid_der = encoded_oid_ecPublicKey + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\x00\xff", None) + b("garbage") + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(der.UnexpectedDER): + VerifyingKey.from_der(to_decode) + + def test_vk_from_der_invalid_bitstring(self): + type_oid_der = encoded_oid_ecPublicKey + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\x08\xff", None) + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(der.UnexpectedDER): + VerifyingKey.from_der(to_decode) + + def test_vk_from_der_with_invalid_length_of_encoding(self): + type_oid_der = encoded_oid_ecPublicKey + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\xff" * 64, 0) + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_der(to_decode) + + def test_vk_from_der_with_raw_encoding(self): + type_oid_der = encoded_oid_ecPublicKey + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + enc_type_der = der.encode_sequence(type_oid_der, curve_oid_der) + point_der = der.encode_bitstring(b"\xff" * 48, 0) + to_decode = der.encode_sequence(enc_type_der, point_der) + + with self.assertRaises(der.UnexpectedDER): + VerifyingKey.from_der(to_decode) + + def test_signature_strings(self): + priv1 = SigningKey.generate() + pub1 = priv1.get_verifying_key() + data = b("data") + + sig = priv1.sign(data) + self.assertEqual(type(sig), binary_type) + self.assertEqual(len(sig), NIST192p.signature_length) + self.assertTrue(pub1.verify(sig, data)) + + sig = priv1.sign(data, sigencode=sigencode_strings) + self.assertEqual(type(sig), tuple) + self.assertEqual(len(sig), 2) + self.assertEqual(type(sig[0]), binary_type) + self.assertEqual(type(sig[1]), binary_type) + self.assertEqual(len(sig[0]), NIST192p.baselen) + self.assertEqual(len(sig[1]), NIST192p.baselen) + self.assertTrue(pub1.verify(sig, data, sigdecode=sigdecode_strings)) + + sig_der = priv1.sign(data, sigencode=sigencode_der) + self.assertEqual(type(sig_der), binary_type) + self.assertTrue(pub1.verify(sig_der, data, sigdecode=sigdecode_der)) + + def test_sig_decode_strings_with_invalid_count(self): + with self.assertRaises(MalformedSignature): + sigdecode_strings([b("one"), b("two"), b("three")], 0xFF) + + def test_sig_decode_strings_with_wrong_r_len(self): + with self.assertRaises(MalformedSignature): + sigdecode_strings([b("one"), b("two")], 0xFF) + + def test_sig_decode_strings_with_wrong_s_len(self): + with self.assertRaises(MalformedSignature): + sigdecode_strings([b("\xa0"), b("\xb0\xff")], 0xFF) + + def test_verify_with_too_long_input(self): + sk = SigningKey.generate() + vk = sk.verifying_key + + with self.assertRaises(BadDigestError): + vk.verify_digest(None, b("\x00") * 128) + + def test_sk_from_secret_exponent_with_wrong_sec_exponent(self): + with self.assertRaises(MalformedPointError): + SigningKey.from_secret_exponent(0) + + def test_sk_from_string_with_wrong_len_string(self): + with self.assertRaises(MalformedPointError): + SigningKey.from_string(b("\x01")) + + def test_sk_from_der_with_junk_after_sequence(self): + ver_der = der.encode_integer(1) + to_decode = der.encode_sequence(ver_der) + b("garbage") + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_der_with_wrong_version(self): + ver_der = der.encode_integer(0) + to_decode = der.encode_sequence(ver_der) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_der_invalid_const_tag(self): + ver_der = der.encode_integer(1) + privkey_der = der.encode_octet_string(b("\x00\xff")) + curve_oid_der = der.encode_oid(*(1, 2, 3)) + const_der = der.encode_constructed(1, curve_oid_der) + to_decode = der.encode_sequence( + ver_der, privkey_der, const_der, curve_oid_der + ) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_der_garbage_after_privkey_oid(self): + ver_der = der.encode_integer(1) + privkey_der = der.encode_octet_string(b("\x00\xff")) + curve_oid_der = der.encode_oid(*(1, 2, 3)) + b("garbage") + const_der = der.encode_constructed(0, curve_oid_der) + to_decode = der.encode_sequence( + ver_der, privkey_der, const_der, curve_oid_der + ) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_der_with_short_privkey(self): + ver_der = der.encode_integer(1) + privkey_der = der.encode_octet_string(b("\x00\xff")) + curve_oid_der = der.encode_oid(*(1, 2, 840, 10045, 3, 1, 1)) + const_der = der.encode_constructed(0, curve_oid_der) + to_decode = der.encode_sequence( + ver_der, privkey_der, const_der, curve_oid_der + ) + + sk = SigningKey.from_der(to_decode) + self.assertEqual(sk.privkey.secret_multiplier, 255) + + def test_sk_from_p8_der_with_wrong_version(self): + ver_der = der.encode_integer(2) + algorithm_der = der.encode_sequence( + der.encode_oid(1, 2, 840, 10045, 2, 1), + der.encode_oid(1, 2, 840, 10045, 3, 1, 1), + ) + privkey_der = der.encode_octet_string( + der.encode_sequence( + der.encode_integer(1), der.encode_octet_string(b"\x00\xff") + ) + ) + to_decode = der.encode_sequence(ver_der, algorithm_der, privkey_der) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_p8_der_with_wrong_algorithm(self): + ver_der = der.encode_integer(1) + algorithm_der = der.encode_sequence( + der.encode_oid(1, 2, 3), der.encode_oid(1, 2, 840, 10045, 3, 1, 1) + ) + privkey_der = der.encode_octet_string( + der.encode_sequence( + der.encode_integer(1), der.encode_octet_string(b"\x00\xff") + ) + ) + to_decode = der.encode_sequence(ver_der, algorithm_der, privkey_der) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_p8_der_with_trailing_junk_after_algorithm(self): + ver_der = der.encode_integer(1) + algorithm_der = der.encode_sequence( + der.encode_oid(1, 2, 840, 10045, 2, 1), + der.encode_oid(1, 2, 840, 10045, 3, 1, 1), + der.encode_octet_string(b"junk"), + ) + privkey_der = der.encode_octet_string( + der.encode_sequence( + der.encode_integer(1), der.encode_octet_string(b"\x00\xff") + ) + ) + to_decode = der.encode_sequence(ver_der, algorithm_der, privkey_der) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sk_from_p8_der_with_trailing_junk_after_key(self): + ver_der = der.encode_integer(1) + algorithm_der = der.encode_sequence( + der.encode_oid(1, 2, 840, 10045, 2, 1), + der.encode_oid(1, 2, 840, 10045, 3, 1, 1), + ) + privkey_der = der.encode_octet_string( + der.encode_sequence( + der.encode_integer(1), der.encode_octet_string(b"\x00\xff") + ) + + der.encode_integer(999) + ) + to_decode = der.encode_sequence( + ver_der, + algorithm_der, + privkey_der, + der.encode_octet_string(b"junk"), + ) + + with self.assertRaises(der.UnexpectedDER): + SigningKey.from_der(to_decode) + + def test_sign_with_too_long_hash(self): + sk = SigningKey.from_secret_exponent(12) + + with self.assertRaises(BadDigestError): + sk.sign_digest(b("\xff") * 64) + + def test_hashfunc(self): + sk = SigningKey.generate(curve=NIST256p, hashfunc=sha256) + data = b("security level is 128 bits") + sig = sk.sign(data) + vk = VerifyingKey.from_string( + sk.get_verifying_key().to_string(), curve=NIST256p, hashfunc=sha256 + ) + self.assertTrue(vk.verify(sig, data)) + + sk2 = SigningKey.generate(curve=NIST256p) + sig2 = sk2.sign(data, hashfunc=sha256) + vk2 = VerifyingKey.from_string( + sk2.get_verifying_key().to_string(), + curve=NIST256p, + hashfunc=sha256, + ) + self.assertTrue(vk2.verify(sig2, data)) + + vk3 = VerifyingKey.from_string( + sk.get_verifying_key().to_string(), curve=NIST256p + ) + self.assertTrue(vk3.verify(sig, data, hashfunc=sha256)) + + def test_public_key_recovery(self): + # Create keys + curve = BRAINPOOLP160r1 + + sk = SigningKey.generate(curve=curve) + vk = sk.get_verifying_key() + + # Sign a message + data = b("blahblah") + signature = sk.sign(data) + + # Recover verifying keys + recovered_vks = VerifyingKey.from_public_key_recovery( + signature, data, curve + ) + + # Test if each pk is valid + for recovered_vk in recovered_vks: + # Test if recovered vk is valid for the data + self.assertTrue(recovered_vk.verify(signature, data)) + + # Test if properties are equal + self.assertEqual(vk.curve, recovered_vk.curve) + self.assertEqual( + vk.default_hashfunc, recovered_vk.default_hashfunc + ) + + # Test if original vk is the list of recovered keys + self.assertIn( + vk.pubkey.point, + [recovered_vk.pubkey.point for recovered_vk in recovered_vks], + ) + + def test_public_key_recovery_with_custom_hash(self): + # Create keys + curve = BRAINPOOLP160r1 + + sk = SigningKey.generate(curve=curve, hashfunc=sha256) + vk = sk.get_verifying_key() + + # Sign a message + data = b("blahblah") + signature = sk.sign(data) + + # Recover verifying keys + recovered_vks = VerifyingKey.from_public_key_recovery( + signature, data, curve, hashfunc=sha256, allow_truncate=True + ) + + # Test if each pk is valid + for recovered_vk in recovered_vks: + # Test if recovered vk is valid for the data + self.assertTrue(recovered_vk.verify(signature, data)) + + # Test if properties are equal + self.assertEqual(vk.curve, recovered_vk.curve) + self.assertEqual(sha256, recovered_vk.default_hashfunc) + + # Test if original vk is the list of recovered keys + self.assertIn( + vk.pubkey.point, + [recovered_vk.pubkey.point for recovered_vk in recovered_vks], + ) + + def test_encoding(self): + sk = SigningKey.from_secret_exponent(123456789) + vk = sk.verifying_key + + exp = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + self.assertEqual(vk.to_string(), exp) + self.assertEqual(vk.to_string("raw"), exp) + self.assertEqual(vk.to_string("uncompressed"), b("\x04") + exp) + self.assertEqual(vk.to_string("compressed"), b("\x02") + exp[:24]) + self.assertEqual(vk.to_string("hybrid"), b("\x06") + exp) + + def test_decoding(self): + sk = SigningKey.from_secret_exponent(123456789) + vk = sk.verifying_key + + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + + from_raw = VerifyingKey.from_string(enc) + self.assertEqual(from_raw.pubkey.point, vk.pubkey.point) + + from_uncompressed = VerifyingKey.from_string(b("\x04") + enc) + self.assertEqual(from_uncompressed.pubkey.point, vk.pubkey.point) + + from_compressed = VerifyingKey.from_string(b("\x02") + enc[:24]) + self.assertEqual(from_compressed.pubkey.point, vk.pubkey.point) + + from_uncompressed = VerifyingKey.from_string(b("\x06") + enc) + self.assertEqual(from_uncompressed.pubkey.point, vk.pubkey.point) + + def test_uncompressed_decoding_as_only_alowed(self): + enc = b( + "\x04" + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + vk = VerifyingKey.from_string(enc, valid_encodings=("uncompressed",)) + sk = SigningKey.from_secret_exponent(123456789) + + self.assertEqual(vk, sk.verifying_key) + + def test_raw_decoding_with_blocked_format(self): + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + with self.assertRaises(MalformedPointError) as exp: + VerifyingKey.from_string(enc, valid_encodings=("hybrid",)) + + self.assertIn("hybrid", str(exp.exception)) + + def test_decoding_with_unknown_format(self): + with self.assertRaises(ValueError) as e: + VerifyingKey.from_string(b"", valid_encodings=("raw", "foobar")) + + self.assertIn("Only uncompressed, compressed", str(e.exception)) + + def test_uncompressed_decoding_with_blocked_format(self): + enc = b( + "\x04" + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + with self.assertRaises(MalformedPointError) as exp: + VerifyingKey.from_string(enc, valid_encodings=("hybrid",)) + + self.assertIn("Invalid X9.62 encoding", str(exp.exception)) + + def test_hybrid_decoding_with_blocked_format(self): + enc = b( + "\x06" + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + with self.assertRaises(MalformedPointError) as exp: + VerifyingKey.from_string(enc, valid_encodings=("uncompressed",)) + + self.assertIn("Invalid X9.62 encoding", str(exp.exception)) + + def test_compressed_decoding_with_blocked_format(self): + enc = b( + "\x02" + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + )[:25] + with self.assertRaises(MalformedPointError) as exp: + VerifyingKey.from_string(enc, valid_encodings=("hybrid", "raw")) + + self.assertIn("(hybrid, raw)", str(exp.exception)) + + def test_decoding_with_malformed_uncompressed(self): + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x02") + enc) + + def test_decoding_with_malformed_compressed(self): + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x01") + enc[:24]) + + def test_decoding_with_inconsistent_hybrid(self): + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x07") + enc) + + def test_decoding_with_point_not_on_curve(self): + enc = b( + "\x0c\xe0\x1d\xe0d\x1c\x8eS\x8a\xc0\x9eK\xa8x !\xd5\xc2\xc3" + "\xfd\xc8\xa0c\xff\xfb\x02\xb9\xc4\x84)\x1a\x0f\x8b\x87\xa4" + "z\x8a#\xb5\x97\xecO\xb6\xa0HQ\x89*" + ) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(enc[:47] + b("\x00")) + + def test_decoding_with_point_at_infinity(self): + # decoding it is unsupported, as it's not necessary to encode it + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x00")) + + def test_not_lying_on_curve(self): + enc = number_to_string(NIST192p.curve.p(), NIST192p.curve.p() + 1) + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x02") + enc) + + def test_from_string_with_invalid_curve_too_short_ver_key_len(self): + # both verifying_key_length and baselen are calculated internally + # by the Curve constructor, but since we depend on them verify + # that inconsistent values are detected + curve = Curve("test", ecdsa.curve_192, ecdsa.generator_192, (1, 2)) + curve.verifying_key_length = 16 + curve.baselen = 32 + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x00") * 16, curve) + + def test_from_string_with_invalid_curve_too_long_ver_key_len(self): + # both verifying_key_length and baselen are calculated internally + # by the Curve constructor, but since we depend on them verify + # that inconsistent values are detected + curve = Curve("test", ecdsa.curve_192, ecdsa.generator_192, (1, 2)) + curve.verifying_key_length = 16 + curve.baselen = 16 + + with self.assertRaises(MalformedPointError): + VerifyingKey.from_string(b("\x00") * 16, curve) + + +@pytest.mark.parametrize( + "val,even", [(i, j) for i in range(256) for j in [True, False]] +) +def test_VerifyingKey_decode_with_small_values(val, even): + enc = number_to_string(val, NIST192p.order) + + if even: + enc = b("\x02") + enc + else: + enc = b("\x03") + enc + + # small values can both be actual valid public keys and not, verify that + # only expected exceptions are raised if they are not + try: + vk = VerifyingKey.from_string(enc) + assert isinstance(vk, VerifyingKey) + except MalformedPointError: + assert True + + +params = [] +for curve in curves: + for enc in ["raw", "uncompressed", "compressed", "hybrid"]: + params.append( + pytest.param(curve, enc, id="{0}-{1}".format(curve.name, enc)) + ) + + +@pytest.mark.parametrize("curve,encoding", params) +def test_VerifyingKey_encode_decode(curve, encoding): + sk = SigningKey.generate(curve=curve) + vk = sk.verifying_key + + encoded = vk.to_string(encoding) + + from_enc = VerifyingKey.from_string(encoded, curve=curve) + + assert vk.pubkey.point == from_enc.pubkey.point + + +class OpenSSL(unittest.TestCase): + # test interoperability with OpenSSL tools. Note that openssl's ECDSA + # sign/verify arguments changed between 0.9.8 and 1.0.0: the early + # versions require "-ecdsa-with-SHA1", the later versions want just + # "-SHA1" (or to leave out that argument entirely, which means the + # signature will use some default digest algorithm, probably determined + # by the key, probably always SHA1). + # + # openssl ecparam -name secp224r1 -genkey -out privkey.pem + # openssl ec -in privkey.pem -text -noout # get the priv/pub keys + # openssl dgst -ecdsa-with-SHA1 -sign privkey.pem -out data.sig data.txt + # openssl asn1parse -in data.sig -inform DER + # data.sig is 64 bytes, probably 56b plus ASN1 overhead + # openssl dgst -ecdsa-with-SHA1 -prverify privkey.pem -signature data.sig data.txt ; echo $? + # openssl ec -in privkey.pem -pubout -out pubkey.pem + # openssl ec -in privkey.pem -pubout -outform DER -out pubkey.der + + OPENSSL_SUPPORTED_CURVES = set( + c.split(":")[0].strip() + for c in run_openssl("ecparam -list_curves").split("\n") + ) + + def get_openssl_messagedigest_arg(self, hash_name): + v = run_openssl("version") + # e.g. "OpenSSL 1.0.0 29 Mar 2010", or "OpenSSL 1.0.0a 1 Jun 2010", + # or "OpenSSL 0.9.8o 01 Jun 2010" + vs = v.split()[1].split(".") + if vs >= ["1", "0", "0"]: # pragma: no cover + return "-{0}".format(hash_name) + else: # pragma: no cover + return "-ecdsa-with-{0}".format(hash_name) + + # sk: 1:OpenSSL->python 2:python->OpenSSL + # vk: 3:OpenSSL->python 4:python->OpenSSL + # sig: 5:OpenSSL->python 6:python->OpenSSL + + @pytest.mark.skipif( + "secp112r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp112r1", + ) + def test_from_openssl_secp112r1(self): + return self.do_test_from_openssl(SECP112r1) + + @pytest.mark.skipif( + "secp112r2" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp112r2", + ) + def test_from_openssl_secp112r2(self): + return self.do_test_from_openssl(SECP112r2) + + @pytest.mark.skipif( + "secp128r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp128r1", + ) + def test_from_openssl_secp128r1(self): + return self.do_test_from_openssl(SECP128r1) + + @pytest.mark.skipif( + "secp160r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp160r1", + ) + def test_from_openssl_secp160r1(self): + return self.do_test_from_openssl(SECP160r1) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_from_openssl_nist192p(self): + return self.do_test_from_openssl(NIST192p) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_from_openssl_nist192p_sha256(self): + return self.do_test_from_openssl(NIST192p, "SHA256") + + @pytest.mark.skipif( + "secp224r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp224r1", + ) + def test_from_openssl_nist224p(self): + return self.do_test_from_openssl(NIST224p) + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_from_openssl_nist256p(self): + return self.do_test_from_openssl(NIST256p) + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_from_openssl_nist256p_sha384(self): + return self.do_test_from_openssl(NIST256p, "SHA384") + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_from_openssl_nist256p_sha512(self): + return self.do_test_from_openssl(NIST256p, "SHA512") + + @pytest.mark.skipif( + "secp384r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp384r1", + ) + def test_from_openssl_nist384p(self): + return self.do_test_from_openssl(NIST384p) + + @pytest.mark.skipif( + "secp521r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp521r1", + ) + def test_from_openssl_nist521p(self): + return self.do_test_from_openssl(NIST521p) + + @pytest.mark.skipif( + "secp256k1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp256k1", + ) + def test_from_openssl_secp256k1(self): + return self.do_test_from_openssl(SECP256k1) + + @pytest.mark.skipif( + "brainpoolP160r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP160r1", + ) + def test_from_openssl_brainpoolp160r1(self): + return self.do_test_from_openssl(BRAINPOOLP160r1) + + @pytest.mark.skipif( + "brainpoolP192r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP192r1", + ) + def test_from_openssl_brainpoolp192r1(self): + return self.do_test_from_openssl(BRAINPOOLP192r1) + + @pytest.mark.skipif( + "brainpoolP224r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP224r1", + ) + def test_from_openssl_brainpoolp224r1(self): + return self.do_test_from_openssl(BRAINPOOLP224r1) + + @pytest.mark.skipif( + "brainpoolP256r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP256r1", + ) + def test_from_openssl_brainpoolp256r1(self): + return self.do_test_from_openssl(BRAINPOOLP256r1) + + @pytest.mark.skipif( + "brainpoolP320r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP320r1", + ) + def test_from_openssl_brainpoolp320r1(self): + return self.do_test_from_openssl(BRAINPOOLP320r1) + + @pytest.mark.skipif( + "brainpoolP384r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP384r1", + ) + def test_from_openssl_brainpoolp384r1(self): + return self.do_test_from_openssl(BRAINPOOLP384r1) + + @pytest.mark.skipif( + "brainpoolP512r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP512r1", + ) + def test_from_openssl_brainpoolp512r1(self): + return self.do_test_from_openssl(BRAINPOOLP512r1) + + def do_test_from_openssl(self, curve, hash_name="SHA1"): + curvename = curve.openssl_name + assert curvename + # OpenSSL: create sk, vk, sign. + # Python: read vk(3), checksig(5), read sk(1), sign, check + mdarg = self.get_openssl_messagedigest_arg(hash_name) + if os.path.isdir("t"): # pragma: no cover + shutil.rmtree("t") + os.mkdir("t") + run_openssl("ecparam -name %s -genkey -out t/privkey.pem" % curvename) + run_openssl("ec -in t/privkey.pem -pubout -out t/pubkey.pem") + data = b("data") + with open("t/data.txt", "wb") as e: + e.write(data) + run_openssl( + "dgst %s -sign t/privkey.pem -out t/data.sig t/data.txt" % mdarg + ) + run_openssl( + "dgst %s -verify t/pubkey.pem -signature t/data.sig t/data.txt" + % mdarg + ) + with open("t/pubkey.pem", "rb") as e: + pubkey_pem = e.read() + vk = VerifyingKey.from_pem(pubkey_pem) # 3 + with open("t/data.sig", "rb") as e: + sig_der = e.read() + self.assertTrue( + vk.verify( + sig_der, + data, # 5 + hashfunc=partial(hashlib.new, hash_name), + sigdecode=sigdecode_der, + ) + ) + + with open("t/privkey.pem") as e: + fp = e.read() + sk = SigningKey.from_pem(fp) # 1 + sig = sk.sign(data, hashfunc=partial(hashlib.new, hash_name)) + self.assertTrue( + vk.verify(sig, data, hashfunc=partial(hashlib.new, hash_name)) + ) + + run_openssl( + "pkcs8 -topk8 -nocrypt " + "-in t/privkey.pem -outform pem -out t/privkey-p8.pem" + ) + with open("t/privkey-p8.pem", "rb") as e: + privkey_p8_pem = e.read() + sk_from_p8 = SigningKey.from_pem(privkey_p8_pem) + self.assertEqual(sk, sk_from_p8) + + @pytest.mark.skipif( + "secp112r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp112r1", + ) + def test_to_openssl_secp112r1(self): + self.do_test_to_openssl(SECP112r1) + + @pytest.mark.skipif( + "secp112r2" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp112r2", + ) + def test_to_openssl_secp112r2(self): + self.do_test_to_openssl(SECP112r2) + + @pytest.mark.skipif( + "secp128r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp128r1", + ) + def test_to_openssl_secp128r1(self): + self.do_test_to_openssl(SECP128r1) + + @pytest.mark.skipif( + "secp160r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp160r1", + ) + def test_to_openssl_secp160r1(self): + self.do_test_to_openssl(SECP160r1) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_to_openssl_nist192p(self): + self.do_test_to_openssl(NIST192p) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_to_openssl_nist192p_sha256(self): + self.do_test_to_openssl(NIST192p, "SHA256") + + @pytest.mark.skipif( + "secp224r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp224r1", + ) + def test_to_openssl_nist224p(self): + self.do_test_to_openssl(NIST224p) + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_to_openssl_nist256p(self): + self.do_test_to_openssl(NIST256p) + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_to_openssl_nist256p_sha384(self): + self.do_test_to_openssl(NIST256p, "SHA384") + + @pytest.mark.skipif( + "prime256v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime256v1", + ) + def test_to_openssl_nist256p_sha512(self): + self.do_test_to_openssl(NIST256p, "SHA512") + + @pytest.mark.skipif( + "secp384r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp384r1", + ) + def test_to_openssl_nist384p(self): + self.do_test_to_openssl(NIST384p) + + @pytest.mark.skipif( + "secp521r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp521r1", + ) + def test_to_openssl_nist521p(self): + self.do_test_to_openssl(NIST521p) + + @pytest.mark.skipif( + "secp256k1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support secp256k1", + ) + def test_to_openssl_secp256k1(self): + self.do_test_to_openssl(SECP256k1) + + @pytest.mark.skipif( + "brainpoolP160r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP160r1", + ) + def test_to_openssl_brainpoolp160r1(self): + self.do_test_to_openssl(BRAINPOOLP160r1) + + @pytest.mark.skipif( + "brainpoolP192r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP192r1", + ) + def test_to_openssl_brainpoolp192r1(self): + self.do_test_to_openssl(BRAINPOOLP192r1) + + @pytest.mark.skipif( + "brainpoolP224r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP224r1", + ) + def test_to_openssl_brainpoolp224r1(self): + self.do_test_to_openssl(BRAINPOOLP224r1) + + @pytest.mark.skipif( + "brainpoolP256r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP256r1", + ) + def test_to_openssl_brainpoolp256r1(self): + self.do_test_to_openssl(BRAINPOOLP256r1) + + @pytest.mark.skipif( + "brainpoolP320r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP320r1", + ) + def test_to_openssl_brainpoolp320r1(self): + self.do_test_to_openssl(BRAINPOOLP320r1) + + @pytest.mark.skipif( + "brainpoolP384r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP384r1", + ) + def test_to_openssl_brainpoolp384r1(self): + self.do_test_to_openssl(BRAINPOOLP384r1) + + @pytest.mark.skipif( + "brainpoolP512r1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support brainpoolP512r1", + ) + def test_to_openssl_brainpoolp512r1(self): + self.do_test_to_openssl(BRAINPOOLP512r1) + + def do_test_to_openssl(self, curve, hash_name="SHA1"): + curvename = curve.openssl_name + assert curvename + # Python: create sk, vk, sign. + # OpenSSL: read vk(4), checksig(6), read sk(2), sign, check + mdarg = self.get_openssl_messagedigest_arg(hash_name) + if os.path.isdir("t"): # pragma: no cover + shutil.rmtree("t") + os.mkdir("t") + sk = SigningKey.generate(curve=curve) + vk = sk.get_verifying_key() + data = b("data") + with open("t/pubkey.der", "wb") as e: + e.write(vk.to_der()) # 4 + with open("t/pubkey.pem", "wb") as e: + e.write(vk.to_pem()) # 4 + sig_der = sk.sign( + data, + hashfunc=partial(hashlib.new, hash_name), + sigencode=sigencode_der, + ) + + with open("t/data.sig", "wb") as e: + e.write(sig_der) # 6 + with open("t/data.txt", "wb") as e: + e.write(data) + with open("t/baddata.txt", "wb") as e: + e.write(data + b("corrupt")) + + self.assertRaises( + SubprocessError, + run_openssl, + "dgst %s -verify t/pubkey.der -keyform DER -signature t/data.sig t/baddata.txt" + % mdarg, + ) + run_openssl( + "dgst %s -verify t/pubkey.der -keyform DER -signature t/data.sig t/data.txt" + % mdarg + ) + + with open("t/privkey.pem", "wb") as e: + e.write(sk.to_pem()) # 2 + run_openssl( + "dgst %s -sign t/privkey.pem -out t/data.sig2 t/data.txt" % mdarg + ) + run_openssl( + "dgst %s -verify t/pubkey.pem -signature t/data.sig2 t/data.txt" + % mdarg + ) + + with open("t/privkey-explicit.pem", "wb") as e: + e.write(sk.to_pem(curve_parameters_encoding="explicit")) + run_openssl( + "dgst %s -sign t/privkey-explicit.pem -out t/data.sig2 t/data.txt" + % mdarg + ) + run_openssl( + "dgst %s -verify t/pubkey.pem -signature t/data.sig2 t/data.txt" + % mdarg + ) + + with open("t/privkey-p8.pem", "wb") as e: + e.write(sk.to_pem(format="pkcs8")) + run_openssl( + "dgst %s -sign t/privkey-p8.pem -out t/data.sig3 t/data.txt" + % mdarg + ) + run_openssl( + "dgst %s -verify t/pubkey.pem -signature t/data.sig3 t/data.txt" + % mdarg + ) + + with open("t/privkey-p8-explicit.pem", "wb") as e: + e.write( + sk.to_pem(format="pkcs8", curve_parameters_encoding="explicit") + ) + run_openssl( + "dgst %s -sign t/privkey-p8-explicit.pem -out t/data.sig3 t/data.txt" + % mdarg + ) + run_openssl( + "dgst %s -verify t/pubkey.pem -signature t/data.sig3 t/data.txt" + % mdarg + ) + + +class TooSmallCurve(unittest.TestCase): + OPENSSL_SUPPORTED_CURVES = set( + c.split(":")[0].strip() + for c in run_openssl("ecparam -list_curves").split("\n") + ) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_sign_too_small_curve_dont_allow_truncate_raises(self): + sk = SigningKey.generate(curve=NIST192p) + data = b("data") + with self.assertRaises(BadDigestError): + sk.sign( + data, + hashfunc=partial(hashlib.new, "SHA256"), + sigencode=sigencode_der, + allow_truncate=False, + ) + + @pytest.mark.skipif( + "prime192v1" not in OPENSSL_SUPPORTED_CURVES, + reason="system openssl does not support prime192v1", + ) + def test_verify_too_small_curve_dont_allow_truncate_raises(self): + sk = SigningKey.generate(curve=NIST192p) + vk = sk.get_verifying_key() + data = b("data") + sig_der = sk.sign( + data, + hashfunc=partial(hashlib.new, "SHA256"), + sigencode=sigencode_der, + allow_truncate=True, + ) + with self.assertRaises(BadDigestError): + vk.verify( + sig_der, + data, + hashfunc=partial(hashlib.new, "SHA256"), + sigdecode=sigdecode_der, + allow_truncate=False, + ) + + +class DER(unittest.TestCase): + def test_integer(self): + self.assertEqual(der.encode_integer(0), b("\x02\x01\x00")) + self.assertEqual(der.encode_integer(1), b("\x02\x01\x01")) + self.assertEqual(der.encode_integer(127), b("\x02\x01\x7f")) + self.assertEqual(der.encode_integer(128), b("\x02\x02\x00\x80")) + self.assertEqual(der.encode_integer(256), b("\x02\x02\x01\x00")) + # self.assertEqual(der.encode_integer(-1), b("\x02\x01\xff")) + + def s(n): + return der.remove_integer(der.encode_integer(n) + b("junk")) + + self.assertEqual(s(0), (0, b("junk"))) + self.assertEqual(s(1), (1, b("junk"))) + self.assertEqual(s(127), (127, b("junk"))) + self.assertEqual(s(128), (128, b("junk"))) + self.assertEqual(s(256), (256, b("junk"))) + self.assertEqual( + s(1234567890123456789012345678901234567890), + (1234567890123456789012345678901234567890, b("junk")), + ) + + def test_number(self): + self.assertEqual(der.encode_number(0), b("\x00")) + self.assertEqual(der.encode_number(127), b("\x7f")) + self.assertEqual(der.encode_number(128), b("\x81\x00")) + self.assertEqual(der.encode_number(3 * 128 + 7), b("\x83\x07")) + # self.assertEqual(der.read_number("\x81\x9b" + "more"), (155, 2)) + # self.assertEqual(der.encode_number(155), b("\x81\x9b")) + for n in (0, 1, 2, 127, 128, 3 * 128 + 7, 840, 10045): # , 155): + x = der.encode_number(n) + b("more") + n1, llen = der.read_number(x) + self.assertEqual(n1, n) + self.assertEqual(x[llen:], b("more")) + + def test_length(self): + self.assertEqual(der.encode_length(0), b("\x00")) + self.assertEqual(der.encode_length(127), b("\x7f")) + self.assertEqual(der.encode_length(128), b("\x81\x80")) + self.assertEqual(der.encode_length(255), b("\x81\xff")) + self.assertEqual(der.encode_length(256), b("\x82\x01\x00")) + self.assertEqual(der.encode_length(3 * 256 + 7), b("\x82\x03\x07")) + self.assertEqual(der.read_length(b("\x81\x9b") + b("more")), (155, 2)) + self.assertEqual(der.encode_length(155), b("\x81\x9b")) + for n in (0, 1, 2, 127, 128, 255, 256, 3 * 256 + 7, 155): + x = der.encode_length(n) + b("more") + n1, llen = der.read_length(x) + self.assertEqual(n1, n) + self.assertEqual(x[llen:], b("more")) + + def test_sequence(self): + x = der.encode_sequence(b("ABC"), b("DEF")) + b("GHI") + self.assertEqual(x, b("\x30\x06ABCDEFGHI")) + x1, rest = der.remove_sequence(x) + self.assertEqual(x1, b("ABCDEF")) + self.assertEqual(rest, b("GHI")) + + def test_constructed(self): + x = der.encode_constructed(0, NIST224p.encoded_oid) + self.assertEqual(hexlify(x), b("a007") + b("06052b81040021")) + x = der.encode_constructed(1, unhexlify(b("0102030a0b0c"))) + self.assertEqual(hexlify(x), b("a106") + b("0102030a0b0c")) + + +class Util(unittest.TestCase): + def test_trytryagain(self): + tta = util.randrange_from_seed__trytryagain + for i in range(1000): + seed = "seed-%d" % i + for order in ( + 2 ** 8 - 2, + 2 ** 8 - 1, + 2 ** 8, + 2 ** 8 + 1, + 2 ** 8 + 2, + 2 ** 16 - 1, + 2 ** 16 + 1, + ): + n = tta(seed, order) + self.assertTrue(1 <= n < order, (1, n, order)) + # this trytryagain *does* provide long-term stability + self.assertEqual( + ("%x" % (tta("seed", NIST224p.order))).encode(), + b("6fa59d73bf0446ae8743cf748fc5ac11d5585a90356417e97155c3bc"), + ) + + def test_trytryagain_single(self): + tta = util.randrange_from_seed__trytryagain + order = 2 ** 8 - 2 + seed = b"text" + n = tta(seed, order) + # known issue: https://github.com/warner/python-ecdsa/issues/221 + if sys.version_info < (3, 0): # pragma: no branch + self.assertEqual(n, 228) + else: + self.assertEqual(n, 18) + + @given(st.integers(min_value=0, max_value=10 ** 200)) + def test_randrange(self, i): + # util.randrange does not provide long-term stability: we might + # change the algorithm in the future. + entropy = util.PRNG("seed-%d" % i) + for order in ( + 2 ** 8 - 2, + 2 ** 8 - 1, + 2 ** 8, + 2 ** 16 - 1, + 2 ** 16 + 1, + ): + # that oddball 2**16+1 takes half our runtime + n = util.randrange(order, entropy=entropy) + self.assertTrue(1 <= n < order, (1, n, order)) + + def OFF_test_prove_uniformity(self): # pragma: no cover + order = 2 ** 8 - 2 + counts = dict([(i, 0) for i in range(1, order)]) + assert 0 not in counts + assert order not in counts + for i in range(1000000): + seed = "seed-%d" % i + n = util.randrange_from_seed__trytryagain(seed, order) + counts[n] += 1 + # this technique should use the full range + self.assertTrue(counts[order - 1]) + for i in range(1, order): + print_("%3d: %s" % (i, "*" * (counts[i] // 100))) + + +class RFC6979(unittest.TestCase): + # https://tools.ietf.org/html/rfc6979#appendix-A.1 + def _do(self, generator, secexp, hsh, hash_func, expected): + actual = rfc6979.generate_k(generator.order(), secexp, hash_func, hsh) + self.assertEqual(expected, actual) + + def test_SECP256k1(self): + """RFC doesn't contain test vectors for SECP256k1 used in bitcoin. + This vector has been computed by Golang reference implementation instead.""" + self._do( + generator=SECP256k1.generator, + secexp=int("9d0219792467d7d37b4d43298a7d0c05", 16), + hsh=sha256(b("sample")).digest(), + hash_func=sha256, + expected=int( + "8fa1f95d514760e498f28957b824ee6ec39ed64826ff4fecc2b5739ec45b91cd", + 16, + ), + ) + + def test_SECP256k1_2(self): + self._do( + generator=SECP256k1.generator, + secexp=int( + "cca9fbcc1b41e5a95d369eaa6ddcff73b61a4efaa279cfc6567e8daa39cbaf50", + 16, + ), + hsh=sha256(b("sample")).digest(), + hash_func=sha256, + expected=int( + "2df40ca70e639d89528a6b670d9d48d9165fdc0febc0974056bdce192b8e16a3", + 16, + ), + ) + + def test_SECP256k1_3(self): + self._do( + generator=SECP256k1.generator, + secexp=0x1, + hsh=sha256(b("Satoshi Nakamoto")).digest(), + hash_func=sha256, + expected=0x8F8A276C19F4149656B280621E358CCE24F5F52542772691EE69063B74F15D15, + ) + + def test_SECP256k1_4(self): + self._do( + generator=SECP256k1.generator, + secexp=0x1, + hsh=sha256( + b( + "All those moments will be lost in time, like tears in rain. Time to die..." + ) + ).digest(), + hash_func=sha256, + expected=0x38AA22D72376B4DBC472E06C3BA403EE0A394DA63FC58D88686C611ABA98D6B3, + ) + + def test_SECP256k1_5(self): + self._do( + generator=SECP256k1.generator, + secexp=0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364140, + hsh=sha256(b("Satoshi Nakamoto")).digest(), + hash_func=sha256, + expected=0x33A19B60E25FB6F4435AF53A3D42D493644827367E6453928554F43E49AA6F90, + ) + + def test_SECP256k1_6(self): + self._do( + generator=SECP256k1.generator, + secexp=0xF8B8AF8CE3C7CCA5E300D33939540C10D45CE001B8F252BFBC57BA0342904181, + hsh=sha256(b("Alan Turing")).digest(), + hash_func=sha256, + expected=0x525A82B70E67874398067543FD84C83D30C175FDC45FDEEE082FE13B1D7CFDF1, + ) + + def test_1(self): + # Basic example of the RFC, it also tests 'try-try-again' from Step H of rfc6979 + self._do( + generator=Point( + None, + 0, + 0, + int("4000000000000000000020108A2E0CC0D99F8A5EF", 16), + ), + secexp=int("09A4D6792295A7F730FC3F2B49CBC0F62E862272F", 16), + hsh=unhexlify( + b( + "AF2BDBE1AA9B6EC1E2ADE1D694F41FC71A831D0268E9891562113D8A62ADD1BF" + ) + ), + hash_func=sha256, + expected=int("23AF4074C90A02B3FE61D286D5C87F425E6BDD81B", 16), + ) + + def test_2(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha1(b("sample")).digest(), + hash_func=sha1, + expected=int( + "37D7CA00D2C7B0E5E412AC03BD44BA837FDD5B28CD3B0021", 16 + ), + ) + + def test_3(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha256(b("sample")).digest(), + hash_func=sha256, + expected=int( + "32B1B6D7D42A05CB449065727A84804FB1A3E34D8F261496", 16 + ), + ) + + def test_4(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha512(b("sample")).digest(), + hash_func=sha512, + expected=int( + "A2AC7AB055E4F20692D49209544C203A7D1F2C0BFBC75DB1", 16 + ), + ) + + def test_5(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha1(b("test")).digest(), + hash_func=sha1, + expected=int( + "D9CF9C3D3297D3260773A1DA7418DB5537AB8DD93DE7FA25", 16 + ), + ) + + def test_6(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha256(b("test")).digest(), + hash_func=sha256, + expected=int( + "5C4CE89CF56D9E7C77C8585339B006B97B5F0680B4306C6C", 16 + ), + ) + + def test_7(self): + self._do( + generator=NIST192p.generator, + secexp=int("6FAB034934E4C0FC9AE67F5B5659A9D7D1FEFD187EE09FD4", 16), + hsh=sha512(b("test")).digest(), + hash_func=sha512, + expected=int( + "0758753A5254759C7CFBAD2E2D9B0792EEE44136C9480527", 16 + ), + ) + + def test_8(self): + self._do( + generator=NIST521p.generator, + secexp=int( + "0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", + 16, + ), + hsh=sha1(b("sample")).digest(), + hash_func=sha1, + expected=int( + "089C071B419E1C2820962321787258469511958E80582E95D8378E0C2CCDB3CB42BEDE42F50E3FA3C71F5A76724281D31D9C89F0F91FC1BE4918DB1C03A5838D0F9", + 16, + ), + ) + + def test_9(self): + self._do( + generator=NIST521p.generator, + secexp=int( + "0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", + 16, + ), + hsh=sha256(b("sample")).digest(), + hash_func=sha256, + expected=int( + "0EDF38AFCAAECAB4383358B34D67C9F2216C8382AAEA44A3DAD5FDC9C32575761793FEF24EB0FC276DFC4F6E3EC476752F043CF01415387470BCBD8678ED2C7E1A0", + 16, + ), + ) + + def test_10(self): + self._do( + generator=NIST521p.generator, + secexp=int( + "0FAD06DAA62BA3B25D2FB40133DA757205DE67F5BB0018FEE8C86E1B68C7E75CAA896EB32F1F47C70855836A6D16FCC1466F6D8FBEC67DB89EC0C08B0E996B83538", + 16, + ), + hsh=sha512(b("test")).digest(), + hash_func=sha512, + expected=int( + "16200813020EC986863BEDFC1B121F605C1215645018AEA1A7B215A564DE9EB1B38A67AA1128B80CE391C4FB71187654AAA3431027BFC7F395766CA988C964DC56D", + 16, + ), + ) + + +class ECDH(unittest.TestCase): + def _do(self, curve, generator, dA, x_qA, y_qA, dB, x_qB, y_qB, x_Z, y_Z): + qA = dA * generator + qB = dB * generator + Z = dA * qB + self.assertEqual(Point(curve, x_qA, y_qA), qA) + self.assertEqual(Point(curve, x_qB, y_qB), qB) + self.assertTrue( + (dA * qB) + == (dA * dB * generator) + == (dB * dA * generator) + == (dB * qA) + ) + self.assertEqual(Point(curve, x_Z, y_Z), Z) + + +class RFC6932(ECDH): + # https://tools.ietf.org/html/rfc6932#appendix-A.1 + + def test_brainpoolP224r1(self): + self._do( + curve=curve_brainpoolp224r1, + generator=BRAINPOOLP224r1.generator, + dA=int( + "7C4B7A2C8A4BAD1FBB7D79CC0955DB7C6A4660CA64CC4778159B495E", 16 + ), + x_qA=int( + "B104A67A6F6E85E14EC1825E1539E8ECDBBF584922367DD88C6BDCF2", 16 + ), + y_qA=int( + "46D782E7FDB5F60CD8404301AC5949C58EDB26BC68BA07695B750A94", 16 + ), + dB=int( + "63976D4AAE6CD0F6DD18DEFEF55D96569D0507C03E74D6486FFA28FB", 16 + ), + x_qB=int( + "2A97089A9296147B71B21A4B574E1278245B536F14D8C2B9D07A874E", 16 + ), + y_qB=int( + "9B900D7C77A709A797276B8CA1BA61BB95B546FC29F862E44D59D25B", 16 + ), + x_Z=int( + "312DFD98783F9FB77B9704945A73BEB6DCCBE3B65D0F967DCAB574EB", 16 + ), + y_Z=int( + "6F800811D64114B1C48C621AB3357CF93F496E4238696A2A012B3C98", 16 + ), + ) + + def test_brainpoolP256r1(self): + self._do( + curve=curve_brainpoolp256r1, + generator=BRAINPOOLP256r1.generator, + dA=int( + "041EB8B1E2BC681BCE8E39963B2E9FC415B05283313DD1A8BCC055F11AE" + "49699", + 16, + ), + x_qA=int( + "78028496B5ECAAB3C8B6C12E45DB1E02C9E4D26B4113BC4F015F60C5C" + "CC0D206", + 16, + ), + y_qA=int( + "A2AE1762A3831C1D20F03F8D1E3C0C39AFE6F09B4D44BBE80CD100987" + "B05F92B", + 16, + ), + dB=int( + "06F5240EACDB9837BC96D48274C8AA834B6C87BA9CC3EEDD81F99A16B8D" + "804D3", + 16, + ), + x_qB=int( + "8E07E219BA588916C5B06AA30A2F464C2F2ACFC1610A3BE2FB240B635" + "341F0DB", + 16, + ), + y_qB=int( + "148EA1D7D1E7E54B9555B6C9AC90629C18B63BEE5D7AA6949EBBF47B2" + "4FDE40D", + 16, + ), + x_Z=int( + "05E940915549E9F6A4A75693716E37466ABA79B4BF2919877A16DD2CC2" + "E23708", + 16, + ), + y_Z=int( + "6BC23B6702BC5A019438CEEA107DAAD8B94232FFBBC350F3B137628FE6" + "FD134C", + 16, + ), + ) + + def test_brainpoolP384r1(self): + self._do( + curve=curve_brainpoolp384r1, + generator=BRAINPOOLP384r1.generator, + dA=int( + "014EC0755B78594BA47FB0A56F6173045B4331E74BA1A6F47322E70D79D" + "828D97E095884CA72B73FDABD5910DF0FA76A", + 16, + ), + x_qA=int( + "45CB26E4384DAF6FB776885307B9A38B7AD1B5C692E0C32F012533277" + "8F3B8D3F50CA358099B30DEB5EE69A95C058B4E", + 16, + ), + y_qA=int( + "8173A1C54AFFA7E781D0E1E1D12C0DC2B74F4DF58E4A4E3AF7026C5D3" + "2DC530A2CD89C859BB4B4B768497F49AB8CC859", + 16, + ), + dB=int( + "6B461CB79BD0EA519A87D6828815D8CE7CD9B3CAA0B5A8262CBCD550A01" + "5C90095B976F3529957506E1224A861711D54", + 16, + ), + x_qB=int( + "01BF92A92EE4BE8DED1A911125C209B03F99E3161CFCC986DC7711383" + "FC30AF9CE28CA3386D59E2C8D72CE1E7B4666E8", + 16, + ), + y_qB=int( + "3289C4A3A4FEE035E39BDB885D509D224A142FF9FBCC5CFE5CCBB3026" + "8EE47487ED8044858D31D848F7A95C635A347AC", + 16, + ), + x_Z=int( + "04CC4FF3DCCCB07AF24E0ACC529955B36D7C807772B92FCBE48F3AFE9A" + "2F370A1F98D3FA73FD0C0747C632E12F1423EC", + 16, + ), + y_Z=int( + "7F465F90BD69AFB8F828A214EB9716D66ABC59F17AF7C75EE7F1DE22AB" + "5D05085F5A01A9382D05BF72D96698FE3FF64E", + 16, + ), + ) + + def test_brainpoolP512r1(self): + self._do( + curve=curve_brainpoolp512r1, + generator=BRAINPOOLP512r1.generator, + dA=int( + "636B6BE0482A6C1C41AA7AE7B245E983392DB94CECEA2660A379CFE1595" + "59E357581825391175FC195D28BAC0CF03A7841A383B95C262B98378287" + "4CCE6FE333", + 16, + ), + x_qA=int( + "0562E68B9AF7CBFD5565C6B16883B777FF11C199161ECC427A39D17EC" + "2166499389571D6A994977C56AD8252658BA8A1B72AE42F4FB7532151" + "AFC3EF0971CCDA", + 16, + ), + y_qA=int( + "A7CA2D8191E21776A89860AFBC1F582FAA308D551C1DC6133AF9F9C3C" + "AD59998D70079548140B90B1F311AFB378AA81F51B275B2BE6B7DEE97" + "8EFC7343EA642E", + 16, + ), + dB=int( + "0AF4E7F6D52EDD52907BB8DBAB3992A0BB696EC10DF11892FF205B66D38" + "1ECE72314E6A6EA079CEA06961DBA5AE6422EF2E9EE803A1F236FB96A17" + "99B86E5C8B", + 16, + ), + x_qB=int( + "5A7954E32663DFF11AE24712D87419F26B708AC2B92877D6BFEE2BFC4" + "3714D89BBDB6D24D807BBD3AEB7F0C325F862E8BADE4F74636B97EAAC" + "E739E11720D323", + 16, + ), + y_qB=int( + "96D14621A9283A1BED84DE8DD64836B2C0758B11441179DC0C54C0D49" + "A47C03807D171DD544B72CAAEF7B7CE01C7753E2CAD1A861ECA55A719" + "54EE1BA35E04BE", + 16, + ), + x_Z=int( + "1EE8321A4BBF93B9CF8921AB209850EC9B7066D1984EF08C2BB7232362" + "08AC8F1A483E79461A00E0D5F6921CE9D360502F85C812BEDEE23AC5B2" + "10E5811B191E", + 16, + ), + y_Z=int( + "2632095B7B936174B41FD2FAF369B1D18DCADEED7E410A7E251F083109" + "7C50D02CFED02607B6A2D5ADB4C0006008562208631875B58B54ECDA5A" + "4F9FE9EAABA6", + 16, + ), + ) + + +class RFC7027(ECDH): + # https://tools.ietf.org/html/rfc7027#appendix-A + + def test_brainpoolP256r1(self): + self._do( + curve=curve_brainpoolp256r1, + generator=BRAINPOOLP256r1.generator, + dA=int( + "81DB1EE100150FF2EA338D708271BE38300CB54241D79950F77B0630398" + "04F1D", + 16, + ), + x_qA=int( + "44106E913F92BC02A1705D9953A8414DB95E1AAA49E81D9E85F929A8E" + "3100BE5", + 16, + ), + y_qA=int( + "8AB4846F11CACCB73CE49CBDD120F5A900A69FD32C272223F789EF10E" + "B089BDC", + 16, + ), + dB=int( + "55E40BC41E37E3E2AD25C3C6654511FFA8474A91A0032087593852D3E7D" + "76BD3", + 16, + ), + x_qB=int( + "8D2D688C6CF93E1160AD04CC4429117DC2C41825E1E9FCA0ADDD34E6F" + "1B39F7B", + 16, + ), + y_qB=int( + "990C57520812BE512641E47034832106BC7D3E8DD0E4C7F1136D70065" + "47CEC6A", + 16, + ), + x_Z=int( + "89AFC39D41D3B327814B80940B042590F96556EC91E6AE7939BCE31F3A" + "18BF2B", + 16, + ), + y_Z=int( + "49C27868F4ECA2179BFD7D59B1E3BF34C1DBDE61AE12931648F43E5963" + "2504DE", + 16, + ), + ) + + def test_brainpoolP384r1(self): + self._do( + curve=curve_brainpoolp384r1, + generator=BRAINPOOLP384r1.generator, + dA=int( + "1E20F5E048A5886F1F157C74E91BDE2B98C8B52D58E5003D57053FC4B0B" + "D65D6F15EB5D1EE1610DF870795143627D042", + 16, + ), + x_qA=int( + "68B665DD91C195800650CDD363C625F4E742E8134667B767B1B476793" + "588F885AB698C852D4A6E77A252D6380FCAF068", + 16, + ), + y_qA=int( + "55BC91A39C9EC01DEE36017B7D673A931236D2F1F5C83942D049E3FA2" + "0607493E0D038FF2FD30C2AB67D15C85F7FAA59", + 16, + ), + dB=int( + "032640BC6003C59260F7250C3DB58CE647F98E1260ACCE4ACDA3DD869F7" + "4E01F8BA5E0324309DB6A9831497ABAC96670", + 16, + ), + x_qB=int( + "4D44326F269A597A5B58BBA565DA5556ED7FD9A8A9EB76C25F46DB69D" + "19DC8CE6AD18E404B15738B2086DF37E71D1EB4", + 16, + ), + y_qB=int( + "62D692136DE56CBE93BF5FA3188EF58BC8A3A0EC6C1E151A21038A42E" + "9185329B5B275903D192F8D4E1F32FE9CC78C48", + 16, + ), + x_Z=int( + "0BD9D3A7EA0B3D519D09D8E48D0785FB744A6B355E6304BC51C229FBBC" + "E239BBADF6403715C35D4FB2A5444F575D4F42", + 16, + ), + y_Z=int( + "0DF213417EBE4D8E40A5F76F66C56470C489A3478D146DECF6DF0D94BA" + "E9E598157290F8756066975F1DB34B2324B7BD", + 16, + ), + ) + + def test_brainpoolP512r1(self): + self._do( + curve=curve_brainpoolp512r1, + generator=BRAINPOOLP512r1.generator, + dA=int( + "16302FF0DBBB5A8D733DAB7141C1B45ACBC8715939677F6A56850A38BD8" + "7BD59B09E80279609FF333EB9D4C061231FB26F92EEB04982A5F1D1764C" + "AD57665422", + 16, + ), + x_qA=int( + "0A420517E406AAC0ACDCE90FCD71487718D3B953EFD7FBEC5F7F27E28" + "C6149999397E91E029E06457DB2D3E640668B392C2A7E737A7F0BF044" + "36D11640FD09FD", + 16, + ), + y_qA=int( + "72E6882E8DB28AAD36237CD25D580DB23783961C8DC52DFA2EC138AD4" + "72A0FCEF3887CF62B623B2A87DE5C588301EA3E5FC269B373B60724F5" + "E82A6AD147FDE7", + 16, + ), + dB=int( + "230E18E1BCC88A362FA54E4EA3902009292F7F8033624FD471B5D8ACE49" + "D12CFABBC19963DAB8E2F1EBA00BFFB29E4D72D13F2224562F405CB8050" + "3666B25429", + 16, + ), + x_qB=int( + "9D45F66DE5D67E2E6DB6E93A59CE0BB48106097FF78A081DE781CDB31" + "FCE8CCBAAEA8DD4320C4119F1E9CD437A2EAB3731FA9668AB268D871D" + "EDA55A5473199F", + 16, + ), + y_qB=int( + "2FDC313095BCDD5FB3A91636F07A959C8E86B5636A1E930E8396049CB" + "481961D365CC11453A06C719835475B12CB52FC3C383BCE35E27EF194" + "512B71876285FA", + 16, + ), + x_Z=int( + "A7927098655F1F9976FA50A9D566865DC530331846381C87256BAF3226" + "244B76D36403C024D7BBF0AA0803EAFF405D3D24F11A9B5C0BEF679FE1" + "454B21C4CD1F", + 16, + ), + y_Z=int( + "7DB71C3DEF63212841C463E881BDCF055523BD368240E6C3143BD8DEF8" + "B3B3223B95E0F53082FF5E412F4222537A43DF1C6D25729DDB51620A83" + "2BE6A26680A2", + 16, + ), + ) + + +# https://tools.ietf.org/html/rfc4754#page-5 +@pytest.mark.parametrize( + "w, gwx, gwy, k, msg, md, r, s, curve", + [ + pytest.param( + "DC51D3866A15BACDE33D96F992FCA99DA7E6EF0934E7097559C27F1614C88A7F", + "2442A5CC0ECD015FA3CA31DC8E2BBC70BF42D60CBCA20085E0822CB04235E970", + "6FC98BD7E50211A4A27102FA3549DF79EBCB4BF246B80945CDDFE7D509BBFD7D", + "9E56F509196784D963D1C0A401510EE7ADA3DCC5DEE04B154BF61AF1D5A6DECE", + b"abc", + sha256, + "CB28E0999B9C7715FD0A80D8E47A77079716CBBF917DD72E97566EA1C066957C", + "86FA3BB4E26CAD5BF90B7F81899256CE7594BB1EA0C89212748BFF3B3D5B0315", + NIST256p, + id="ECDSA-256", + ), + pytest.param( + "0BEB646634BA87735D77AE4809A0EBEA865535DE4C1E1DCB692E84708E81A5AF" + "62E528C38B2A81B35309668D73524D9F", + "96281BF8DD5E0525CA049C048D345D3082968D10FEDF5C5ACA0C64E6465A97EA" + "5CE10C9DFEC21797415710721F437922", + "447688BA94708EB6E2E4D59F6AB6D7EDFF9301D249FE49C33096655F5D502FAD" + "3D383B91C5E7EDAA2B714CC99D5743CA", + "B4B74E44D71A13D568003D7489908D564C7761E229C58CBFA18950096EB7463B" + "854D7FA992F934D927376285E63414FA", + b"abc", + sha384, + "FB017B914E29149432D8BAC29A514640B46F53DDAB2C69948084E2930F1C8F7E" + "08E07C9C63F2D21A07DCB56A6AF56EB3", + "B263A1305E057F984D38726A1B46874109F417BCA112674C528262A40A629AF1" + "CBB9F516CE0FA7D2FF630863A00E8B9F", + NIST384p, + id="ECDSA-384", + ), + pytest.param( + "0065FDA3409451DCAB0A0EAD45495112A3D813C17BFD34BDF8C1209D7DF58491" + "20597779060A7FF9D704ADF78B570FFAD6F062E95C7E0C5D5481C5B153B48B37" + "5FA1", + "0151518F1AF0F563517EDD5485190DF95A4BF57B5CBA4CF2A9A3F6474725A35F" + "7AFE0A6DDEB8BEDBCD6A197E592D40188901CECD650699C9B5E456AEA5ADD190" + "52A8", + "006F3B142EA1BFFF7E2837AD44C9E4FF6D2D34C73184BBAD90026DD5E6E85317" + "D9DF45CAD7803C6C20035B2F3FF63AFF4E1BA64D1C077577DA3F4286C58F0AEA" + "E643", + "00C1C2B305419F5A41344D7E4359933D734096F556197A9B244342B8B62F46F9" + "373778F9DE6B6497B1EF825FF24F42F9B4A4BD7382CFC3378A540B1B7F0C1B95" + "6C2F", + b"abc", + sha512, + "0154FD3836AF92D0DCA57DD5341D3053988534FDE8318FC6AAAAB68E2E6F4339" + "B19F2F281A7E0B22C269D93CF8794A9278880ED7DBB8D9362CAEACEE54432055" + "2251", + "017705A7030290D1CEB605A9A1BB03FF9CDD521E87A696EC926C8C10C8362DF4" + "975367101F67D1CF9BCCBF2F3D239534FA509E70AAC851AE01AAC68D62F86647" + "2660", + NIST521p, + id="ECDSA-521", + ), + ], +) +def test_RFC4754_vectors(w, gwx, gwy, k, msg, md, r, s, curve): + sk = SigningKey.from_string(unhexlify(w), curve) + vk = VerifyingKey.from_string(unhexlify(gwx + gwy), curve) + assert sk.verifying_key == vk + sig = sk.sign(msg, hashfunc=md, sigencode=sigencode_strings, k=int(k, 16)) + + assert sig == (unhexlify(r), unhexlify(s)) + + assert vk.verify(sig, msg, md, sigdecode_strings) diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_rw_lock.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_rw_lock.py new file mode 100644 index 0000000..0a84b9c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/test_rw_lock.py @@ -0,0 +1,180 @@ +# Copyright Mateusz Kobos, (c) 2011 +# https://code.activestate.com/recipes/577803-reader-writer-lock-with-priority-for-writers/ +# released under the MIT licence + +try: + import unittest2 as unittest +except ImportError: + import unittest +import threading +import time +import copy +from ._rwlock import RWLock + + +class Writer(threading.Thread): + def __init__( + self, buffer_, rw_lock, init_sleep_time, sleep_time, to_write + ): + """ + @param buffer_: common buffer_ shared by the readers and writers + @type buffer_: list + @type rw_lock: L{RWLock} + @param init_sleep_time: sleep time before doing any action + @type init_sleep_time: C{float} + @param sleep_time: sleep time while in critical section + @type sleep_time: C{float} + @param to_write: data that will be appended to the buffer + """ + threading.Thread.__init__(self) + self.__buffer = buffer_ + self.__rw_lock = rw_lock + self.__init_sleep_time = init_sleep_time + self.__sleep_time = sleep_time + self.__to_write = to_write + self.entry_time = None + """Time of entry to the critical section""" + self.exit_time = None + """Time of exit from the critical section""" + + def run(self): + time.sleep(self.__init_sleep_time) + self.__rw_lock.writer_acquire() + self.entry_time = time.time() + time.sleep(self.__sleep_time) + self.__buffer.append(self.__to_write) + self.exit_time = time.time() + self.__rw_lock.writer_release() + + +class Reader(threading.Thread): + def __init__(self, buffer_, rw_lock, init_sleep_time, sleep_time): + """ + @param buffer_: common buffer shared by the readers and writers + @type buffer_: list + @type rw_lock: L{RWLock} + @param init_sleep_time: sleep time before doing any action + @type init_sleep_time: C{float} + @param sleep_time: sleep time while in critical section + @type sleep_time: C{float} + """ + threading.Thread.__init__(self) + self.__buffer = buffer_ + self.__rw_lock = rw_lock + self.__init_sleep_time = init_sleep_time + self.__sleep_time = sleep_time + self.buffer_read = None + """a copy of a the buffer read while in critical section""" + self.entry_time = None + """Time of entry to the critical section""" + self.exit_time = None + """Time of exit from the critical section""" + + def run(self): + time.sleep(self.__init_sleep_time) + self.__rw_lock.reader_acquire() + self.entry_time = time.time() + time.sleep(self.__sleep_time) + self.buffer_read = copy.deepcopy(self.__buffer) + self.exit_time = time.time() + self.__rw_lock.reader_release() + + +class RWLockTestCase(unittest.TestCase): + def test_readers_nonexclusive_access(self): + (buffer_, rw_lock, threads) = self.__init_variables() + + threads.append(Reader(buffer_, rw_lock, 0, 0)) + threads.append(Writer(buffer_, rw_lock, 0.2, 0.4, 1)) + threads.append(Reader(buffer_, rw_lock, 0.3, 0.3)) + threads.append(Reader(buffer_, rw_lock, 0.5, 0)) + + self.__start_and_join_threads(threads) + + ## The third reader should enter after the second one but it should + ## exit before the second one exits + ## (i.e. the readers should be in the critical section + ## at the same time) + + self.assertEqual([], threads[0].buffer_read) + self.assertEqual([1], threads[2].buffer_read) + self.assertEqual([1], threads[3].buffer_read) + self.assertTrue(threads[1].exit_time <= threads[2].entry_time) + self.assertTrue(threads[2].entry_time <= threads[3].entry_time) + self.assertTrue(threads[3].exit_time < threads[2].exit_time) + + def test_writers_exclusive_access(self): + (buffer_, rw_lock, threads) = self.__init_variables() + + threads.append(Writer(buffer_, rw_lock, 0, 0.4, 1)) + threads.append(Writer(buffer_, rw_lock, 0.1, 0, 2)) + threads.append(Reader(buffer_, rw_lock, 0.2, 0)) + + self.__start_and_join_threads(threads) + + ## The second writer should wait for the first one to exit + + self.assertEqual([1, 2], threads[2].buffer_read) + self.assertTrue(threads[0].exit_time <= threads[1].entry_time) + self.assertTrue(threads[1].exit_time <= threads[2].exit_time) + + def test_writer_priority(self): + (buffer_, rw_lock, threads) = self.__init_variables() + + threads.append(Writer(buffer_, rw_lock, 0, 0, 1)) + threads.append(Reader(buffer_, rw_lock, 0.1, 0.4)) + threads.append(Writer(buffer_, rw_lock, 0.2, 0, 2)) + threads.append(Reader(buffer_, rw_lock, 0.3, 0)) + threads.append(Reader(buffer_, rw_lock, 0.3, 0)) + + self.__start_and_join_threads(threads) + + ## The second writer should go before the second and the third reader + + self.assertEqual([1], threads[1].buffer_read) + self.assertEqual([1, 2], threads[3].buffer_read) + self.assertEqual([1, 2], threads[4].buffer_read) + self.assertTrue(threads[0].exit_time < threads[1].entry_time) + self.assertTrue(threads[1].exit_time <= threads[2].entry_time) + self.assertTrue(threads[2].exit_time <= threads[3].entry_time) + self.assertTrue(threads[2].exit_time <= threads[4].entry_time) + + def test_many_writers_priority(self): + (buffer_, rw_lock, threads) = self.__init_variables() + + threads.append(Writer(buffer_, rw_lock, 0, 0, 1)) + threads.append(Reader(buffer_, rw_lock, 0.1, 0.6)) + threads.append(Writer(buffer_, rw_lock, 0.2, 0.1, 2)) + threads.append(Reader(buffer_, rw_lock, 0.3, 0)) + threads.append(Reader(buffer_, rw_lock, 0.4, 0)) + threads.append(Writer(buffer_, rw_lock, 0.5, 0.1, 3)) + + self.__start_and_join_threads(threads) + + ## The two last writers should go first -- after the first reader and + ## before the second and the third reader + + self.assertEqual([1], threads[1].buffer_read) + self.assertEqual([1, 2, 3], threads[3].buffer_read) + self.assertEqual([1, 2, 3], threads[4].buffer_read) + self.assertTrue(threads[0].exit_time < threads[1].entry_time) + self.assertTrue(threads[1].exit_time <= threads[2].entry_time) + self.assertTrue(threads[1].exit_time <= threads[5].entry_time) + self.assertTrue(threads[2].exit_time <= threads[3].entry_time) + self.assertTrue(threads[2].exit_time <= threads[4].entry_time) + self.assertTrue(threads[5].exit_time <= threads[3].entry_time) + self.assertTrue(threads[5].exit_time <= threads[4].entry_time) + + @staticmethod + def __init_variables(): + buffer_ = [] + rw_lock = RWLock() + threads = [] + return (buffer_, rw_lock, threads) + + @staticmethod + def __start_and_join_threads(threads): + for t in threads: + t.start() + for t in threads: + t.join() diff --git a/backend/mb-env/lib/python3.9/site-packages/ecdsa/util.py b/backend/mb-env/lib/python3.9/site-packages/ecdsa/util.py new file mode 100644 index 0000000..818240b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/ecdsa/util.py @@ -0,0 +1,435 @@ +from __future__ import division + +import os +import math +import binascii +import sys +from hashlib import sha256 +from six import PY2, int2byte, b, next +from . import der +from ._compat import normalise_bytes + +# RFC5480: +# The "unrestricted" algorithm identifier is: +# id-ecPublicKey OBJECT IDENTIFIER ::= { +# iso(1) member-body(2) us(840) ansi-X9-62(10045) keyType(2) 1 } + +oid_ecPublicKey = (1, 2, 840, 10045, 2, 1) +encoded_oid_ecPublicKey = der.encode_oid(*oid_ecPublicKey) + +# RFC5480: +# The ECDH algorithm uses the following object identifier: +# id-ecDH OBJECT IDENTIFIER ::= { +# iso(1) identified-organization(3) certicom(132) schemes(1) +# ecdh(12) } + +oid_ecDH = (1, 3, 132, 1, 12) + +# RFC5480: +# The ECMQV algorithm uses the following object identifier: +# id-ecMQV OBJECT IDENTIFIER ::= { +# iso(1) identified-organization(3) certicom(132) schemes(1) +# ecmqv(13) } + +oid_ecMQV = (1, 3, 132, 1, 13) + +if sys.version_info >= (3,): # pragma: no branch + + def entropy_to_bits(ent_256): + """Convert a bytestring to string of 0's and 1's""" + return bin(int.from_bytes(ent_256, "big"))[2:].zfill(len(ent_256) * 8) + + +else: + + def entropy_to_bits(ent_256): + """Convert a bytestring to string of 0's and 1's""" + return "".join(bin(ord(x))[2:].zfill(8) for x in ent_256) + + +if sys.version_info < (2, 7): # pragma: no branch + # Can't add a method to a built-in type so we are stuck with this + def bit_length(x): + return len(bin(x)) - 2 + + +else: + + def bit_length(x): + return x.bit_length() or 1 + + +def orderlen(order): + return (1 + len("%x" % order)) // 2 # bytes + + +def randrange(order, entropy=None): + """Return a random integer k such that 1 <= k < order, uniformly + distributed across that range. Worst case should be a mean of 2 loops at + (2**k)+2. + + Note that this function is not declared to be forwards-compatible: we may + change the behavior in future releases. The entropy= argument (which + should get a callable that behaves like os.urandom) can be used to + achieve stability within a given release (for repeatable unit tests), but + should not be used as a long-term-compatible key generation algorithm. + """ + assert order > 1 + if entropy is None: + entropy = os.urandom + upper_2 = bit_length(order - 2) + upper_256 = upper_2 // 8 + 1 + while True: # I don't think this needs a counter with bit-wise randrange + ent_256 = entropy(upper_256) + ent_2 = entropy_to_bits(ent_256) + rand_num = int(ent_2[:upper_2], base=2) + 1 + if 0 < rand_num < order: + return rand_num + + +class PRNG: + # this returns a callable which, when invoked with an integer N, will + # return N pseudorandom bytes. Note: this is a short-term PRNG, meant + # primarily for the needs of randrange_from_seed__trytryagain(), which + # only needs to run it a few times per seed. It does not provide + # protection against state compromise (forward security). + def __init__(self, seed): + self.generator = self.block_generator(seed) + + def __call__(self, numbytes): + a = [next(self.generator) for i in range(numbytes)] + + if PY2: # pragma: no branch + return "".join(a) + else: + return bytes(a) + + def block_generator(self, seed): + counter = 0 + while True: + for byte in sha256( + ("prng-%d-%s" % (counter, seed)).encode() + ).digest(): + yield byte + counter += 1 + + +def randrange_from_seed__overshoot_modulo(seed, order): + # hash the data, then turn the digest into a number in [1,order). + # + # We use David-Sarah Hopwood's suggestion: turn it into a number that's + # sufficiently larger than the group order, then modulo it down to fit. + # This should give adequate (but not perfect) uniformity, and simple + # code. There are other choices: try-try-again is the main one. + base = PRNG(seed)(2 * orderlen(order)) + number = (int(binascii.hexlify(base), 16) % (order - 1)) + 1 + assert 1 <= number < order, (1, number, order) + return number + + +def lsb_of_ones(numbits): + return (1 << numbits) - 1 + + +def bits_and_bytes(order): + bits = int(math.log(order - 1, 2) + 1) + bytes = bits // 8 + extrabits = bits % 8 + return bits, bytes, extrabits + + +# the following randrange_from_seed__METHOD() functions take an +# arbitrarily-sized secret seed and turn it into a number that obeys the same +# range limits as randrange() above. They are meant for deriving consistent +# signing keys from a secret rather than generating them randomly, for +# example a protocol in which three signing keys are derived from a master +# secret. You should use a uniformly-distributed unguessable seed with about +# curve.baselen bytes of entropy. To use one, do this: +# seed = os.urandom(curve.baselen) # or other starting point +# secexp = ecdsa.util.randrange_from_seed__trytryagain(sed, curve.order) +# sk = SigningKey.from_secret_exponent(secexp, curve) + + +def randrange_from_seed__truncate_bytes(seed, order, hashmod=sha256): + # hash the seed, then turn the digest into a number in [1,order), but + # don't worry about trying to uniformly fill the range. This will lose, + # on average, four bits of entropy. + bits, _bytes, extrabits = bits_and_bytes(order) + if extrabits: + _bytes += 1 + base = hashmod(seed).digest()[:_bytes] + base = "\x00" * (_bytes - len(base)) + base + number = 1 + int(binascii.hexlify(base), 16) + assert 1 <= number < order + return number + + +def randrange_from_seed__truncate_bits(seed, order, hashmod=sha256): + # like string_to_randrange_truncate_bytes, but only lose an average of + # half a bit + bits = int(math.log(order - 1, 2) + 1) + maxbytes = (bits + 7) // 8 + base = hashmod(seed).digest()[:maxbytes] + base = "\x00" * (maxbytes - len(base)) + base + topbits = 8 * maxbytes - bits + if topbits: + base = int2byte(ord(base[0]) & lsb_of_ones(topbits)) + base[1:] + number = 1 + int(binascii.hexlify(base), 16) + assert 1 <= number < order + return number + + +def randrange_from_seed__trytryagain(seed, order): + # figure out exactly how many bits we need (rounded up to the nearest + # bit), so we can reduce the chance of looping to less than 0.5 . This is + # specified to feed from a byte-oriented PRNG, and discards the + # high-order bits of the first byte as necessary to get the right number + # of bits. The average number of loops will range from 1.0 (when + # order=2**k-1) to 2.0 (when order=2**k+1). + assert order > 1 + bits, bytes, extrabits = bits_and_bytes(order) + generate = PRNG(seed) + while True: + extrabyte = b("") + if extrabits: + extrabyte = int2byte(ord(generate(1)) & lsb_of_ones(extrabits)) + guess = string_to_number(extrabyte + generate(bytes)) + 1 + if 1 <= guess < order: + return guess + + +def number_to_string(num, order): + l = orderlen(order) + fmt_str = "%0" + str(2 * l) + "x" + string = binascii.unhexlify((fmt_str % num).encode()) + assert len(string) == l, (len(string), l) + return string + + +def number_to_string_crop(num, order): + l = orderlen(order) + fmt_str = "%0" + str(2 * l) + "x" + string = binascii.unhexlify((fmt_str % num).encode()) + return string[:l] + + +def string_to_number(string): + return int(binascii.hexlify(string), 16) + + +def string_to_number_fixedlen(string, order): + l = orderlen(order) + assert len(string) == l, (len(string), l) + return int(binascii.hexlify(string), 16) + + +# these methods are useful for the sigencode= argument to SK.sign() and the +# sigdecode= argument to VK.verify(), and control how the signature is packed +# or unpacked. + + +def sigencode_strings(r, s, order): + r_str = number_to_string(r, order) + s_str = number_to_string(s, order) + return (r_str, s_str) + + +def sigencode_string(r, s, order): + """ + Encode the signature to raw format (:term:`raw encoding`) + + It's expected that this function will be used as a `sigencode=` parameter + in :func:`ecdsa.keys.SigningKey.sign` method. + + :param int r: first parameter of the signature + :param int s: second parameter of the signature + :param int order: the order of the curve over which the signature was + computed + + :return: raw encoding of ECDSA signature + :rtype: bytes + """ + # for any given curve, the size of the signature numbers is + # fixed, so just use simple concatenation + r_str, s_str = sigencode_strings(r, s, order) + return r_str + s_str + + +def sigencode_der(r, s, order): + """ + Encode the signature into the ECDSA-Sig-Value structure using :term:`DER`. + + Encodes the signature to the following :term:`ASN.1` structure:: + + Ecdsa-Sig-Value ::= SEQUENCE { + r INTEGER, + s INTEGER + } + + It's expected that this function will be used as a `sigencode=` parameter + in :func:`ecdsa.keys.SigningKey.sign` method. + + :param int r: first parameter of the signature + :param int s: second parameter of the signature + :param int order: the order of the curve over which the signature was + computed + + :return: DER encoding of ECDSA signature + :rtype: bytes + """ + return der.encode_sequence(der.encode_integer(r), der.encode_integer(s)) + + +# canonical versions of sigencode methods +# these enforce low S values, by negating the value (modulo the order) if +# above order/2 see CECKey::Sign() +# https://github.com/bitcoin/bitcoin/blob/master/src/key.cpp#L214 +def sigencode_strings_canonize(r, s, order): + if s > order / 2: + s = order - s + return sigencode_strings(r, s, order) + + +def sigencode_string_canonize(r, s, order): + if s > order / 2: + s = order - s + return sigencode_string(r, s, order) + + +def sigencode_der_canonize(r, s, order): + if s > order / 2: + s = order - s + return sigencode_der(r, s, order) + + +class MalformedSignature(Exception): + """ + Raised by decoding functions when the signature is malformed. + + Malformed in this context means that the relevant strings or integers + do not match what a signature over provided curve would create. Either + because the byte strings have incorrect lengths or because the encoded + values are too large. + """ + + pass + + +def sigdecode_string(signature, order): + """ + Decoder for :term:`raw encoding` of ECDSA signatures. + + raw encoding is a simple concatenation of the two integers that comprise + the signature, with each encoded using the same amount of bytes depending + on curve size/order. + + It's expected that this function will be used as the `sigdecode=` + parameter to the :func:`ecdsa.keys.VerifyingKey.verify` method. + + :param signature: encoded signature + :type signature: bytes like object + :param order: order of the curve over which the signature was computed + :type order: int + + :raises MalformedSignature: when the encoding of the signature is invalid + + :return: tuple with decoded 'r' and 's' values of signature + :rtype: tuple of ints + """ + signature = normalise_bytes(signature) + l = orderlen(order) + if not len(signature) == 2 * l: + raise MalformedSignature( + "Invalid length of signature, expected {0} bytes long, " + "provided string is {1} bytes long".format(2 * l, len(signature)) + ) + r = string_to_number_fixedlen(signature[:l], order) + s = string_to_number_fixedlen(signature[l:], order) + return r, s + + +def sigdecode_strings(rs_strings, order): + """ + Decode the signature from two strings. + + First string needs to be a big endian encoding of 'r', second needs to + be a big endian encoding of the 's' parameter of an ECDSA signature. + + It's expected that this function will be used as the `sigdecode=` + parameter to the :func:`ecdsa.keys.VerifyingKey.verify` method. + + :param list rs_strings: list of two bytes-like objects, each encoding one + parameter of signature + :param int order: order of the curve over which the signature was computed + + :raises MalformedSignature: when the encoding of the signature is invalid + + :return: tuple with decoded 'r' and 's' values of signature + :rtype: tuple of ints + """ + if not len(rs_strings) == 2: + raise MalformedSignature( + "Invalid number of strings provided: {0}, expected 2".format( + len(rs_strings) + ) + ) + (r_str, s_str) = rs_strings + r_str = normalise_bytes(r_str) + s_str = normalise_bytes(s_str) + l = orderlen(order) + if not len(r_str) == l: + raise MalformedSignature( + "Invalid length of first string ('r' parameter), " + "expected {0} bytes long, provided string is {1} " + "bytes long".format(l, len(r_str)) + ) + if not len(s_str) == l: + raise MalformedSignature( + "Invalid length of second string ('s' parameter), " + "expected {0} bytes long, provided string is {1} " + "bytes long".format(l, len(s_str)) + ) + r = string_to_number_fixedlen(r_str, order) + s = string_to_number_fixedlen(s_str, order) + return r, s + + +def sigdecode_der(sig_der, order): + """ + Decoder for DER format of ECDSA signatures. + + DER format of signature is one that uses the :term:`ASN.1` :term:`DER` + rules to encode it as a sequence of two integers:: + + Ecdsa-Sig-Value ::= SEQUENCE { + r INTEGER, + s INTEGER + } + + It's expected that this function will be used as as the `sigdecode=` + parameter to the :func:`ecdsa.keys.VerifyingKey.verify` method. + + :param sig_der: encoded signature + :type sig_der: bytes like object + :param order: order of the curve over which the signature was computed + :type order: int + + :raises UnexpectedDER: when the encoding of signature is invalid + + :return: tuple with decoded 'r' and 's' values of signature + :rtype: tuple of ints + """ + sig_der = normalise_bytes(sig_der) + # return der.encode_sequence(der.encode_integer(r), der.encode_integer(s)) + rs_strings, empty = der.remove_sequence(sig_der) + if empty != b"": + raise der.UnexpectedDER( + "trailing junk after DER sig: %s" % binascii.hexlify(empty) + ) + r, rest = der.remove_integer(rs_strings) + s, empty = der.remove_integer(rest) + if empty != b"": + raise der.UnexpectedDER( + "trailing junk after DER numbers: %s" % binascii.hexlify(empty) + ) + return r, s diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/LICENSE new file mode 100644 index 0000000..0e259d4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/LICENSE @@ -0,0 +1,121 @@ +Creative Commons Legal Code + +CC0 1.0 Universal + + CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE + LEGAL SERVICES. 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Affirmer understands and acknowledges that Creative Commons is not a + party to this document and has no duty or obligation with respect to + this CC0 or use of the Work. diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/METADATA new file mode 100644 index 0000000..f7977a3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/METADATA @@ -0,0 +1,413 @@ +Metadata-Version: 2.1 +Name: email-validator +Version: 1.1.3 +Summary: A robust email syntax and deliverability validation library for Python 2.x/3.x. +Home-page: https://github.com/JoshData/python-email-validator +Author: Joshua Tauberer +Author-email: jt@occams.info +License: CC0 (copyright waived) +Keywords: email address validator +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Requires-Python: !=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7 +Description-Content-Type: text/markdown +Requires-Dist: dnspython (>=1.15.0) +Requires-Dist: idna (>=2.0.0) + +email-validator: Validate Email Addresses +========================================= + +A robust email address syntax and deliverability validation library for +Python 2.7/3.4+ by [Joshua Tauberer](https://joshdata.me). + +This library validates that a string is of the form `name@example.com`. This is +the sort of validation you would want for an email-based login form on +a website. + +Key features: + +* Checks that an email address has the correct syntax --- good for + login forms or other uses related to identifying users. +* Gives friendly error messages when validation fails (appropriate to show + to end users). +* (optionally) Checks deliverability: Does the domain name resolve? And you can override the default DNS resolver. +* Supports internationalized domain names and (optionally) + internationalized local parts. +* Normalizes email addresses (super important for internationalized + addresses! see below). + +The library is NOT for validation of the To: line in an email message +(e.g. `My Name `), which +[flanker](https://github.com/mailgun/flanker) is more appropriate for. +And this library does NOT permit obsolete forms of email addresses, so +if you need strict validation against the email specs exactly, use +[pyIsEmail](https://github.com/michaelherold/pyIsEmail). + +This library was first published in 2015. The current version is 1.1.1 +(posted May 19, 2020). **Starting in version 1.1.0, the type of the value returned +from `validate_email` has changed, but dict-style access to the validated +address information still works, so it is backwards compatible.** + +Installation +------------ + +This package [is on PyPI](https://pypi.org/project/email-validator/), so: + +```sh +pip install email-validator +``` + +`pip3` also works. + +Usage +----- + +If you're validating a user's email address before creating a user +account, you might do this: + +```python +from email_validator import validate_email, EmailNotValidError + +email = "my+address@mydomain.tld" + +try: + # Validate. + valid = validate_email(email) + + # Update with the normalized form. + email = valid.email +except EmailNotValidError as e: + # email is not valid, exception message is human-readable + print(str(e)) +``` + +This validates the address and gives you its normalized form. You should +put the normalized form in your database and always normalize before +checking if an address is in your database. + +When validating many email addresses or to control the timeout (the default is 15 seconds), create a caching [dns.resolver.Resolver](https://dnspython.readthedocs.io/en/latest/resolver-class.html) to reuse in each call: + +```python +from email_validator import validate_email, caching_resolver + +resolver = caching_resolver(timeout=10) + +while True: + valid = validate_email(email, dns_resolver=resolver) +``` + +The validator will accept internationalized email addresses, but not all +mail systems can send email to an addresses with non-ASCII characters in +the *local* part of the address (before the @-sign). See the `allow_smtputf8` +option below. + + +Overview +-------- + +The module provides a function `validate_email(email_address)` which +takes an email address (either a `str` or ASCII `bytes`) and: + +- Raises a `EmailNotValidError` with a helpful, human-readable error + message explaining why the email address is not valid, or +- Returns an object with a normalized form of the email address and + other information about it. + +When an email address is not valid, `validate_email` raises either an +`EmailSyntaxError` if the form of the address is invalid or an +`EmailUndeliverableError` if the domain name does not resolve. Both +exception classes are subclasses of `EmailNotValidError`, which in turn +is a subclass of `ValueError`. + +But when an email address is valid, an object is returned containing +a normalized form of the email address (which you should use!) and +other information. + +The validator doesn't permit obsoleted forms of email addresses that no +one uses anymore even though they are still valid and deliverable, since +they will probably give you grief if you're using email for login. (See +later in the document about that.) + +The validator checks that the domain name in the email address resolves. +There is nothing to be gained by trying to actually contact an SMTP +server, so that's not done here. For privacy, security, and practicality +reasons servers are good at not giving away whether an address is +deliverable or not: email addresses that appear to accept mail at first +can bounce mail after a delay, and bounced mail may indicate a temporary +failure of a good email address (sometimes an intentional failure, like +greylisting). + +The function also accepts the following keyword arguments (default as +shown): + +`allow_smtputf8=True`: Set to `False` to prohibit internationalized addresses that would + require the + [SMTPUTF8](https://tools.ietf.org/html/rfc6531) extension. + +`check_deliverability=True`: Set to `False` to skip the domain name resolution check. + +`allow_empty_local=False`: Set to `True` to allow an empty local part (i.e. + `@example.com`), e.g. for validating Postfix aliases. + +`dns_resolver=None`: Pass an instance of [dns.resolver.Resolver](https://dnspython.readthedocs.io/en/latest/resolver-class.html) to control the DNS resolver including setting a timeout and [a cache](https://dnspython.readthedocs.io/en/latest/resolver-caching.html). The `caching_resolver` function shown above is a helper function to construct a dns.resolver.Resolver with a [LRUCache](https://dnspython.readthedocs.io/en/latest/resolver-caching.html#dns.resolver.LRUCache). Reuse the same resolver instance across calls to `validate_email` to make use of the cache. + + +Internationalized email addresses +--------------------------------- + +The email protocol SMTP and the domain name system DNS have historically +only allowed ASCII characters in email addresses and domain names, +respectively. Each has adapted to internationalization in a separate +way, creating two separate aspects to email address +internationalization. + +### Internationalized domain names (IDN) + +The first is [internationalized domain names (RFC +5891)](https://tools.ietf.org/html/rfc5891), a.k.a IDNA 2008. The DNS +system has not been updated with Unicode support. Instead, internationalized +domain names are converted into a special IDNA ASCII "[Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt)" +form starting with `xn--`. When an email address has non-ASCII +characters in its domain part, the domain part is replaced with its IDNA +ASCII equivalent form in the process of mail transmission. Your mail +submission library probably does this for you transparently. Note that +most web browsers are currently in transition between IDNA 2003 (RFC +3490) and IDNA 2008 (RFC 5891) and [compliance around the web is not +very +good](http://archives.miloush.net/michkap/archive/2012/02/27/10273315.html) +in any case, so be aware that edge cases are handled differently by +different applications and libraries. This library conforms to IDNA 2008 +using the [idna](https://github.com/kjd/idna) module by Kim Davies. + +### Internationalized local parts + +The second sort of internationalization is internationalization in the +*local* part of the address (before the @-sign). These email addresses +require that your mail submission library and the mail servers along the +route to the destination, including your own outbound mail server, all +support the [SMTPUTF8 (RFC 6531)](https://tools.ietf.org/html/rfc6531) +extension. Support for SMTPUTF8 varies. + +### If you know ahead of time that SMTPUTF8 is not supported by your mail submission stack + +By default all internationalized forms are accepted by the validator. +But if you know ahead of time that SMTPUTF8 is not supported by your +mail submission stack, then you must filter out addresses that require +SMTPUTF8 using the `allow_smtputf8=False` keyword argument (see above). +This will cause the validation function to raise a `EmailSyntaxError` if +delivery would require SMTPUTF8. That's just in those cases where +non-ASCII characters appear before the @-sign. If you do not set +`allow_smtputf8=False`, you can also check the value of the `smtputf8` +field in the returned object. + +If your mail submission library doesn't support Unicode at all --- even +in the domain part of the address --- then immediately prior to mail +submission you must replace the email address with its ASCII-ized form. +This library gives you back the ASCII-ized form in the `ascii_email` +field in the returned object, which you can get like this: + +```python +valid = validate_email(email, allow_smtputf8=False) +email = valid.ascii_email +``` + +The local part is left alone (if it has internationalized characters +`allow_smtputf8=False` will force validation to fail) and the domain +part is converted to [IDNA ASCII](https://tools.ietf.org/html/rfc5891). +(You probably should not do this at account creation time so you don't +change the user's login information without telling them.) + +### UCS-4 support required for Python 2.7 + +Note that when using Python 2.7, it is required that it was built with +UCS-4 support (see +[here](https://stackoverflow.com/questions/29109944/python-returns-length-of-2-for-single-unicode-character-string)); +otherwise emails with unicode characters outside of the BMP (Basic +Multilingual Plane) will not validate correctly. + +Normalization +------------- + +The use of Unicode in email addresses introduced a normalization +problem. Different Unicode strings can look identical and have the same +semantic meaning to the user. The `email` field returned on successful +validation provides the correctly normalized form of the given email +address: + +```python +valid = validate_email("me@Ｄｏｍａｉｎ.com") +email = valid.ascii_email +print(email) +# prints: me@domain.com +``` + +Because an end-user might type their email address in different (but +equivalent) un-normalized forms at different times, you ought to +replace what they enter with the normalized form immediately prior to +going into your database (during account creation), querying your database +(during login), or sending outbound mail. Normalization may also change +the length of an email address, and this may affect whether it is valid +and acceptable by your SMTP provider. + +The normalizations include lowercasing the domain part of the email +address (domain names are case-insensitive), [Unicode "NFC" +normalization](https://en.wikipedia.org/wiki/Unicode_equivalence) of the +whole address (which turns characters plus [combining +characters](https://en.wikipedia.org/wiki/Combining_character) into +precomposed characters where possible, replacement of [fullwidth and +halfwidth +characters](https://en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms) +in the domain part, possibly other +[UTS46](http://unicode.org/reports/tr46) mappings on the domain part, +and conversion from Punycode to Unicode characters. + +(See [RFC 6532 (internationalized email) section +3.1](https://tools.ietf.org/html/rfc6532#section-3.1) and [RFC 5895 +(IDNA 2008) section 2](http://www.ietf.org/rfc/rfc5895.txt).) + +Examples +-------- + +For the email address `test@joshdata.me`, the returned object is: + +```python +ValidatedEmail( + email='test@joshdata.me', + local_part='test', + domain='joshdata.me', + ascii_email='test@joshdata.me', + ascii_local_part='test', + ascii_domain='joshdata.me', + smtputf8=False, + mx=[(10, 'box.occams.info')], + mx_fallback_type=None) +``` + +For the fictitious address `example@ツ.life`, which has an +internationalized domain but ASCII local part, the returned object is: + +```python +ValidatedEmail( + email='example@ツ.life', + local_part='example', + domain='ツ.life', + ascii_email='example@xn--bdk.life', + ascii_local_part='example', + ascii_domain='xn--bdk.life', + smtputf8=False) + +``` + +Note that `smtputf8` is `False` even though the domain part is +internationalized because +[SMTPUTF8](https://tools.ietf.org/html/rfc6531) is only needed if the +local part of the address is internationalized (the domain part can be +converted to IDNA ASCII Punycode). Also note that the `email` and `domain` +fields provide a normalized form of the email address and domain name +(casefolding and Unicode normalization as required by IDNA 2008). + +Calling `validate_email` with the ASCII form of the above email address, +`example@xn--bdk.life`, returns the exact same information (i.e., the +`email` field always will contain Unicode characters, not Punycode). + +For the fictitious address `ツ-test@joshdata.me`, which has an +internationalized local part, the returned object is: + +```python +ValidatedEmail( + email='ツ-test@joshdata.me', + local_part='ツ-test', + domain='joshdata.me', + ascii_email=None, + ascii_local_part=None, + ascii_domain='joshdata.me', + smtputf8=True) +``` + +Now `smtputf8` is `True` and `ascii_email` is `None` because the local +part of the address is internationalized. The `local_part` and `email` fields +return the normalized form of the address: certain Unicode characters +(such as angstrom and ohm) may be replaced by other equivalent code +points (a-with-ring and omega). + +Return value +------------ + +When an email address passes validation, the fields in the returned object +are: + +| Field | Value | +| -----:|-------| +| `email` | The normalized form of the email address that you should put in your database. This merely combines the `local_part` and `domain` fields (see below). | +| `ascii_email` | If set, an ASCII-only form of the email address by replacing the domain part with [IDNA](https://tools.ietf.org/html/rfc5891) [Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt). This field will be present when an ASCII-only form of the email address exists (including if the email address is already ASCII). If the local part of the email address contains internationalized characters, `ascii_email` will be `None`. If set, it merely combines `ascii_local_part` and `ascii_domain`. | +| `local_part` | The local part of the given email address (before the @-sign) with Unicode NFC normalization applied. | +| `ascii_local_part` | If set, the local part, which is composed of ASCII characters only. | +| `domain` | The canonical internationalized Unicode form of the domain part of the email address. If the returned string contains non-ASCII characters, either the [SMTPUTF8](https://tools.ietf.org/html/rfc6531) feature of your mail relay will be required to transmit the message or else the email address's domain part must be converted to IDNA ASCII first: Use `ascii_domain` field instead. | +| `ascii_domain` | The [IDNA](https://tools.ietf.org/html/rfc5891) [Punycode](https://www.rfc-editor.org/rfc/rfc3492.txt)-encoded form of the domain part of the given email address, as it would be transmitted on the wire. | +| `smtputf8` | A boolean indicating that the [SMTPUTF8](https://tools.ietf.org/html/rfc6531) feature of your mail relay will be required to transmit messages to this address because the local part of the address has non-ASCII characters (the local part cannot be IDNA-encoded). If `allow_smtputf8=False` is passed as an argument, this flag will always be false because an exception is raised if it would have been true. | +| `mx` | A list of (priority, domain) tuples of MX records specified in the DNS for the domain (see [RFC 5321 section 5](https://tools.ietf.org/html/rfc5321#section-5)). May be `None` if the deliverability check could not be completed because of a temporary issue like a timeout. | +| `mx_fallback_type` | `None` if an `MX` record is found. If no MX records are actually specified in DNS and instead are inferred, through an obsolete mechanism, from A or AAAA records, the value is the type of DNS record used instead (`A` or `AAAA`). May be `None` if the deliverability check could not be completed because of a temporary issue like a timeout. | + +Assumptions +----------- + +By design, this validator does not pass all email addresses that +strictly conform to the standards. Many email address forms are obsolete +or likely to cause trouble: + +* The validator assumes the email address is intended to be + deliverable on the public Internet using DNS, and so the domain part + of the email address must be a resolvable domain name. +* The "quoted string" form of the local part of the email address (RFC + 5321 4.1.2) is not permitted --- no one uses this anymore anyway. + Quoted forms allow multiple @-signs, space characters, and other + troublesome conditions. +* The "literal" form for the domain part of an email address (an + IP address) is not accepted --- no one uses this anymore anyway. + +Testing +------- + +Tests can be run using + +```sh +pip install -r test_requirements.txt +make test +``` + +For Project Maintainers +----------------------- + +The package is distributed as a universal wheel and as a source package. + +To release: + +* Update the version number. +* Follow the steps below to publish source and a universal wheel to pypi. +* Make a release at https://github.com/JoshData/python-email-validator/releases/new. + +```sh +pip3 install twine +rm -rf dist +python3 setup.py sdist +python3 setup.py bdist_wheel +twine upload dist/* +git tag v1.0.XXX # replace with version in setup.py +git push --tags +``` + +Notes: The wheel is specified as universal in the file `setup.cfg` by the `universal = 1` key in the +`[bdist_wheel]` section. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/RECORD new file mode 100644 index 0000000..d973315 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/RECORD @@ -0,0 +1,11 @@ +../../../bin/email_validator,sha256=LWjmvt0BZpZsPykrdiuCpkuIT9yP5RY4X_WbWRIudAY,245 +email_validator-1.1.3.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +email_validator-1.1.3.dist-info/LICENSE,sha256=ogEPNDSH0_dhiv_lT3ifVIdgIzHAqNA_SemnxUfPBJk,7048 +email_validator-1.1.3.dist-info/METADATA,sha256=CXQuNaoD7mOrGG589SADLCqjTbsEMCHezNH7DoSfFtA,18418 +email_validator-1.1.3.dist-info/RECORD,, +email_validator-1.1.3.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +email_validator-1.1.3.dist-info/WHEEL,sha256=kGT74LWyRUZrL4VgLh6_g12IeVl_9u9ZVhadrgXZUEY,110 +email_validator-1.1.3.dist-info/entry_points.txt,sha256=wNs-98c7HUZ5a3_v6wkTha-8tSFn_QF1wzkLjRfaaMI,58 +email_validator-1.1.3.dist-info/top_level.txt,sha256=fYDOSWFZke46ut7WqdOAJjjhlpPYAaOwOwIsh3s8oWI,16 +email_validator/__init__.py,sha256=NBZMvDGGg8_ZP3HDe4pfZMKPa77pAYPq9ncaqaIneSs,24779 +email_validator/__pycache__/__init__.cpython-39.pyc,, diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/WHEEL new file mode 100644 index 0000000..ef99c6c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.34.2) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/entry_points.txt new file mode 100644 index 0000000..5eeda3a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/entry_points.txt @@ -0,0 +1,3 @@ +[console_scripts] +email_validator = email_validator:main + diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/top_level.txt new file mode 100644 index 0000000..798fd5e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator-1.1.3.dist-info/top_level.txt @@ -0,0 +1 @@ +email_validator diff --git a/backend/mb-env/lib/python3.9/site-packages/email_validator/__init__.py b/backend/mb-env/lib/python3.9/site-packages/email_validator/__init__.py new file mode 100644 index 0000000..f960f67 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/email_validator/__init__.py @@ -0,0 +1,568 @@ +# -*- coding: utf-8 -*- + +import sys +import re +import unicodedata +import dns.resolver +import dns.exception +import idna # implements IDNA 2008; Python's codec is only IDNA 2003 + + +# Based on RFC 2822 section 3.2.4 / RFC 5322 section 3.2.3, these +# characters are permitted in email addresses (not taking into +# account internationalization): +ATEXT = r'a-zA-Z0-9_!#\$%&\'\*\+\-/=\?\^`\{\|\}~' + +# A "dot atom text", per RFC 2822 3.2.4: +DOT_ATOM_TEXT = '[' + ATEXT + ']+(?:\\.[' + ATEXT + ']+)*' + +# RFC 6531 section 3.3 extends the allowed characters in internationalized +# addresses to also include three specific ranges of UTF8 defined in +# RFC3629 section 4, which appear to be the Unicode code points from +# U+0080 to U+10FFFF. +ATEXT_UTF8 = ATEXT + u"\u0080-\U0010FFFF" +DOT_ATOM_TEXT_UTF8 = '[' + ATEXT_UTF8 + ']+(?:\\.[' + ATEXT_UTF8 + ']+)*' + +# The domain part of the email address, after IDNA (ASCII) encoding, +# must also satisfy the requirements of RFC 952/RFC 1123 which restrict +# the allowed characters of hostnames further. The hyphen cannot be at +# the beginning or end of a *dot-atom component* of a hostname either. +ATEXT_HOSTNAME = r'(?:(?:[a-zA-Z0-9][a-zA-Z0-9\-]*)?[a-zA-Z0-9])' + +# Length constants +# RFC 3696 + errata 1003 + errata 1690 (https://www.rfc-editor.org/errata_search.php?rfc=3696&eid=1690) +# explains the maximum length of an email address is 254 octets. +EMAIL_MAX_LENGTH = 254 +LOCAL_PART_MAX_LENGTH = 64 +DOMAIN_MAX_LENGTH = 255 + +# ease compatibility in type checking +if sys.version_info >= (3,): + unicode_class = str +else: + unicode_class = unicode # noqa: F821 + + # turn regexes to unicode (because 'ur' literals are not allowed in Py3) + ATEXT = ATEXT.decode("ascii") + DOT_ATOM_TEXT = DOT_ATOM_TEXT.decode("ascii") + ATEXT_HOSTNAME = ATEXT_HOSTNAME.decode("ascii") + +DEFAULT_TIMEOUT = 15 # secs + + +class EmailNotValidError(ValueError): + """Parent class of all exceptions raised by this module.""" + pass + + +class EmailSyntaxError(EmailNotValidError): + """Exception raised when an email address fails validation because of its form.""" + pass + + +class EmailUndeliverableError(EmailNotValidError): + """Exception raised when an email address fails validation because its domain name does not appear deliverable.""" + pass + + +class ValidatedEmail(object): + """The validate_email function returns objects of this type holding the normalized form of the email address + and other information.""" + + """The email address that was passed to validate_email. (If passed as bytes, this will be a string.)""" + original_email = None + + """The normalized email address, which should always be used in preferance to the original address. + The normalized address converts an IDNA ASCII domain name to Unicode, if possible, and performs + Unicode normalization on the local part and on the domain (if originally Unicode). It is the + concatenation of the local_part and domain attributes, separated by an @-sign.""" + email = None + + """The local part of the email address after Unicode normalization.""" + local_part = None + + """The domain part of the email address after Unicode normalization or conversion to + Unicode from IDNA ascii.""" + domain = None + + """If not None, a form of the email address that uses 7-bit ASCII characters only.""" + ascii_email = None + + """If not None, the local part of the email address using 7-bit ASCII characters only.""" + ascii_local_part = None + + """If not None, a form of the domain name that uses 7-bit ASCII characters only.""" + ascii_domain = None + + """If True, the SMTPUTF8 feature of your mail relay will be required to transmit messages + to this address. This flag is True just when ascii_local_part is missing. Otherwise it + is False.""" + smtputf8 = None + + """If a deliverability check is performed and if it succeeds, a list of (priority, domain) + tuples of MX records specified in the DNS for the domain.""" + mx = None + + """If no MX records are actually specified in DNS and instead are inferred, through an obsolete + mechanism, from A or AAAA records, the value is the type of DNS record used instead (`A` or `AAAA`).""" + mx_fallback_type = None + + """Tests use this constructor.""" + def __init__(self, **kwargs): + for k, v in kwargs.items(): + setattr(self, k, v) + + """As a convenience, str(...) on instances of this class return the normalized address.""" + def __self__(self): + return self.normalized_email + + def __repr__(self): + return "".format(self.email) + + """For backwards compatibility, some fields are also exposed through a dict-like interface. Note + that some of the names changed when they became attributes.""" + def __getitem__(self, key): + if key == "email": + return self.email + if key == "email_ascii": + return self.ascii_email + if key == "local": + return self.local_part + if key == "domain": + return self.ascii_domain + if key == "domain_i18n": + return self.domain + if key == "smtputf8": + return self.smtputf8 + if key == "mx": + return self.mx + if key == "mx-fallback": + return self.mx_fallback_type + raise KeyError() + + """Tests use this.""" + def __eq__(self, other): + return ( + self.email == other.email + and self.local_part == other.local_part + and self.domain == other.domain + and self.ascii_email == other.ascii_email + and self.ascii_local_part == other.ascii_local_part + and self.ascii_domain == other.ascii_domain + and self.smtputf8 == other.smtputf8 + and repr(sorted(self.mx) if self.mx else self.mx) + == repr(sorted(other.mx) if other.mx else other.mx) + and self.mx_fallback_type == other.mx_fallback_type + ) + + """This helps producing the README.""" + def as_constructor(self): + return "ValidatedEmail(" \ + + ",".join("\n {}={}".format( + key, + repr(getattr(self, key))) + for key in ('email', 'local_part', 'domain', + 'ascii_email', 'ascii_local_part', 'ascii_domain', + 'smtputf8', 'mx', 'mx_fallback_type') + ) \ + + ")" + + """Convenience method for accessing ValidatedEmail as a dict""" + def as_dict(self): + return self.__dict__ + + +def __get_length_reason(addr, utf8=False, limit=EMAIL_MAX_LENGTH): + diff = len(addr) - limit + reason = "({}{} character{} too many)" + prefix = "at least " if utf8 else "" + suffix = "s" if diff > 1 else "" + return reason.format(prefix, diff, suffix) + + +def caching_resolver(timeout=DEFAULT_TIMEOUT, cache=None): + resolver = dns.resolver.Resolver() + resolver.cache = cache or dns.resolver.LRUCache() + resolver.lifetime = timeout # timeout, in seconds + return resolver + + +def validate_email( + email, + allow_smtputf8=True, + allow_empty_local=False, + check_deliverability=True, + timeout=DEFAULT_TIMEOUT, + dns_resolver=None +): + """ + Validates an email address, raising an EmailNotValidError if the address is not valid or returning a dict of + information when the address is valid. The email argument can be a str or a bytes instance, + but if bytes it must be ASCII-only. + """ + + # Allow email to be a str or bytes instance. If bytes, + # it must be ASCII because that's how the bytes work + # on the wire with SMTP. + if not isinstance(email, (str, unicode_class)): + try: + email = email.decode("ascii") + except ValueError: + raise EmailSyntaxError("The email address is not valid ASCII.") + + # At-sign. + parts = email.split('@') + if len(parts) != 2: + raise EmailSyntaxError("The email address is not valid. It must have exactly one @-sign.") + + # Collect return values in this instance. + ret = ValidatedEmail() + ret.original_email = email + + # Validate the email address's local part syntax and get a normalized form. + local_part_info = validate_email_local_part(parts[0], + allow_smtputf8=allow_smtputf8, + allow_empty_local=allow_empty_local) + ret.local_part = local_part_info["local_part"] + ret.ascii_local_part = local_part_info["ascii_local_part"] + ret.smtputf8 = local_part_info["smtputf8"] + + # Validate the email address's domain part syntax and get a normalized form. + domain_part_info = validate_email_domain_part(parts[1]) + ret.domain = domain_part_info["domain"] + ret.ascii_domain = domain_part_info["ascii_domain"] + + # Construct the complete normalized form. + ret.email = ret.local_part + "@" + ret.domain + + # If the email address has an ASCII form, add it. + if not ret.smtputf8: + ret.ascii_email = ret.ascii_local_part + "@" + ret.ascii_domain + + # If the email address has an ASCII representation, then we assume it may be + # transmitted in ASCII (we can't assume SMTPUTF8 will be used on all hops to + # the destination) and the length limit applies to ASCII characters (which is + # the same as octets). The number of characters in the internationalized form + # may be many fewer (because IDNA ASCII is verbose) and could be less than 254 + # Unicode characters, and of course the number of octets over the limit may + # not be the number of characters over the limit, so if the email address is + # internationalized, we can't give any simple information about why the address + # is too long. + # + # In addition, check that the UTF-8 encoding (i.e. not IDNA ASCII and not + # Unicode characters) is at most 254 octets. If the addres is transmitted using + # SMTPUTF8, then the length limit probably applies to the UTF-8 encoded octets. + # If the email address has an ASCII form that differs from its internationalized + # form, I don't think the internationalized form can be longer, and so the ASCII + # form length check would be sufficient. If there is no ASCII form, then we have + # to check the UTF-8 encoding. The UTF-8 encoding could be up to about four times + # longer than the number of characters. + # + # See the length checks on the local part and the domain. + if ret.ascii_email and len(ret.ascii_email) > EMAIL_MAX_LENGTH: + if ret.ascii_email == ret.email: + reason = __get_length_reason(ret.ascii_email) + elif len(ret.email) > EMAIL_MAX_LENGTH: + # If there are more than 254 characters, then the ASCII + # form is definitely going to be too long. + reason = __get_length_reason(ret.email, utf8=True) + else: + reason = "(when converted to IDNA ASCII)" + raise EmailSyntaxError("The email address is too long {}.".format(reason)) + if len(ret.email.encode("utf8")) > EMAIL_MAX_LENGTH: + if len(ret.email) > EMAIL_MAX_LENGTH: + # If there are more than 254 characters, then the UTF-8 + # encoding is definitely going to be too long. + reason = __get_length_reason(ret.email, utf8=True) + else: + reason = "(when encoded in bytes)" + raise EmailSyntaxError("The email address is too long {}.".format(reason)) + + if check_deliverability: + # Validate the email address's deliverability and update the + # return dict with metadata. + deliverability_info = validate_email_deliverability( + ret["domain"], ret["domain_i18n"], timeout, dns_resolver + ) + if "mx" in deliverability_info: + ret.mx = deliverability_info["mx"] + ret.mx_fallback_type = deliverability_info["mx-fallback"] + + return ret + + +def validate_email_local_part(local, allow_smtputf8=True, allow_empty_local=False): + # Validates the local part of an email address. + + if len(local) == 0: + if not allow_empty_local: + raise EmailSyntaxError("There must be something before the @-sign.") + else: + # The caller allows an empty local part. Useful for validating certain + # Postfix aliases. + return { + "local_part": local, + "ascii_local_part": local, + "smtputf8": False, + } + + # RFC 5321 4.5.3.1.1 + # We're checking the number of characters here. If the local part + # is ASCII-only, then that's the same as bytes (octets). If it's + # internationalized, then the UTF-8 encoding may be longer, but + # that may not be relevant. We will check the total address length + # instead. + if len(local) > LOCAL_PART_MAX_LENGTH: + reason = __get_length_reason(local, limit=LOCAL_PART_MAX_LENGTH) + raise EmailSyntaxError("The email address is too long before the @-sign {}.".format(reason)) + + # Check the local part against the regular expression for the older ASCII requirements. + m = re.match(DOT_ATOM_TEXT + "\\Z", local) + if m: + # Return the local part unchanged and flag that SMTPUTF8 is not needed. + return { + "local_part": local, + "ascii_local_part": local, + "smtputf8": False, + } + + else: + # The local part failed the ASCII check. Now try the extended internationalized requirements. + m = re.match(DOT_ATOM_TEXT_UTF8 + "\\Z", local) + if not m: + # It's not a valid internationalized address either. Report which characters were not valid. + bad_chars = ', '.join(sorted(set( + c for c in local if not re.match(u"[" + (ATEXT if not allow_smtputf8 else ATEXT_UTF8) + u"]", c) + ))) + raise EmailSyntaxError("The email address contains invalid characters before the @-sign: %s." % bad_chars) + + # It would be valid if internationalized characters were allowed by the caller. + if not allow_smtputf8: + raise EmailSyntaxError("Internationalized characters before the @-sign are not supported.") + + # It's valid. + + # RFC 6532 section 3.1 also says that Unicode NFC normalization should be applied, + # so we'll return the normalized local part in the return value. + local = unicodedata.normalize("NFC", local) + + # Flag that SMTPUTF8 will be required for deliverability. + return { + "local_part": local, + "ascii_local_part": None, # no ASCII form is possible + "smtputf8": True, + } + + +def validate_email_domain_part(domain): + # Empty? + if len(domain) == 0: + raise EmailSyntaxError("There must be something after the @-sign.") + + # Perform UTS-46 normalization, which includes casefolding, NFC normalization, + # and converting all label separators (the period/full stop, fullwidth full stop, + # ideographic full stop, and halfwidth ideographic full stop) to basic periods. + # It will also raise an exception if there is an invalid character in the input, + # such as "⒈" which is invalid because it would expand to include a period. + try: + domain = idna.uts46_remap(domain, std3_rules=False, transitional=False) + except idna.IDNAError as e: + raise EmailSyntaxError("The domain name %s contains invalid characters (%s)." % (domain, str(e))) + + # Now we can perform basic checks on the use of periods (since equivalent + # symbols have been mapped to periods). These checks are needed because the + # IDNA library doesn't handle well domains that have empty labels (i.e. initial + # dot, trailing dot, or two dots in a row). + if domain.endswith("."): + raise EmailSyntaxError("An email address cannot end with a period.") + if domain.startswith("."): + raise EmailSyntaxError("An email address cannot have a period immediately after the @-sign.") + if ".." in domain: + raise EmailSyntaxError("An email address cannot have two periods in a row.") + + # Regardless of whether international characters are actually used, + # first convert to IDNA ASCII. For ASCII-only domains, the transformation + # does nothing. If internationalized characters are present, the MTA + # must either support SMTPUTF8 or the mail client must convert the + # domain name to IDNA before submission. + # + # Unfortunately this step incorrectly 'fixes' domain names with leading + # periods by removing them, so we have to check for this above. It also gives + # a funky error message ("No input") when there are two periods in a + # row, also checked separately above. + try: + ascii_domain = idna.encode(domain, uts46=False).decode("ascii") + except idna.IDNAError as e: + if "Domain too long" in str(e): + # We can't really be more specific because UTS-46 normalization means + # the length check is applied to a string that is different from the + # one the user supplied. Also I'm not sure if the length check applies + # to the internationalized form, the IDNA ASCII form, or even both! + raise EmailSyntaxError("The email address is too long after the @-sign.") + raise EmailSyntaxError("The domain name %s contains invalid characters (%s)." % (domain, str(e))) + + # We may have been given an IDNA ASCII domain to begin with. Check + # that the domain actually conforms to IDNA. It could look like IDNA + # but not be actual IDNA. For ASCII-only domains, the conversion out + # of IDNA just gives the same thing back. + # + # This gives us the canonical internationalized form of the domain, + # which we should use in all error messages. + try: + domain_i18n = idna.decode(ascii_domain.encode('ascii')) + except idna.IDNAError as e: + raise EmailSyntaxError("The domain name %s is not valid IDNA (%s)." % (ascii_domain, str(e))) + + # RFC 5321 4.5.3.1.2 + # We're checking the number of bytes (octets) here, which can be much + # higher than the number of characters in internationalized domains, + # on the assumption that the domain may be transmitted without SMTPUTF8 + # as IDNA ASCII. This is also checked by idna.encode, so this exception + # is never reached. + if len(ascii_domain) > DOMAIN_MAX_LENGTH: + raise EmailSyntaxError("The email address is too long after the @-sign.") + + # A "dot atom text", per RFC 2822 3.2.4, but using the restricted + # characters allowed in a hostname (see ATEXT_HOSTNAME above). + DOT_ATOM_TEXT = ATEXT_HOSTNAME + r'(?:\.' + ATEXT_HOSTNAME + r')*' + + # Check the regular expression. This is probably entirely redundant + # with idna.decode, which also checks this format. + m = re.match(DOT_ATOM_TEXT + "\\Z", ascii_domain) + if not m: + raise EmailSyntaxError("The email address contains invalid characters after the @-sign.") + + # All publicly deliverable addresses have domain named with at least + # one period. We also know that all TLDs end with a letter. + if "." not in ascii_domain: + raise EmailSyntaxError("The domain name %s is not valid. It should have a period." % domain_i18n) + if not re.search(r"[A-Za-z]\Z", ascii_domain): + raise EmailSyntaxError( + "The domain name %s is not valid. It is not within a valid top-level domain." % domain_i18n + ) + + # Return the IDNA ASCII-encoded form of the domain, which is how it + # would be transmitted on the wire (except when used with SMTPUTF8 + # possibly), as well as the canonical Unicode form of the domain, + # which is better for display purposes. This should also take care + # of RFC 6532 section 3.1's suggestion to apply Unicode NFC + # normalization to addresses. + return { + "ascii_domain": ascii_domain, + "domain": domain_i18n, + } + + +def validate_email_deliverability(domain, domain_i18n, timeout=DEFAULT_TIMEOUT, dns_resolver=None): + # Check that the domain resolves to an MX record. If there is no MX record, + # try an A or AAAA record which is a deprecated fallback for deliverability. + + # If no dns.resolver.Resolver was given, get dnspython's default resolver. + # Override the default resolver's timeout. This may affect other uses of + # dnspython in this process. + if dns_resolver is None: + dns_resolver = dns.resolver.get_default_resolver() + dns_resolver.lifetime = timeout + + def dns_resolver_resolve_shim(domain, record): + try: + # dns.resolver.Resolver.resolve is new to dnspython 2.x. + # https://dnspython.readthedocs.io/en/latest/resolver-class.html#dns.resolver.Resolver.resolve + return dns_resolver.resolve(domain, record) + except AttributeError: + # dnspython 2.x is only available in Python 3.6 and later. For earlier versions + # of Python, we maintain compatibility with dnspython 1.x which has a + # dnspython.resolver.Resolver.query method instead. The only difference is that + # query may treat the domain as relative and use the system's search domains, + # which we prevent by adding a "." to the domain name to make it absolute. + # dns.resolver.Resolver.query is deprecated in dnspython version 2.x. + # https://dnspython.readthedocs.io/en/latest/resolver-class.html#dns.resolver.Resolver.query + return dns_resolver.query(domain + ".", record) + + try: + # We need a way to check how timeouts are handled in the tests. So we + # have a secret variable that if set makes this method always test the + # handling of a timeout. + if getattr(validate_email_deliverability, 'TEST_CHECK_TIMEOUT', False): + raise dns.exception.Timeout() + + try: + # Try resolving for MX records and get them in sorted priority order. + response = dns_resolver_resolve_shim(domain, "MX") + mtas = sorted([(r.preference, str(r.exchange).rstrip('.')) for r in response]) + mx_fallback = None + except (dns.resolver.NoNameservers, dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + + # If there was no MX record, fall back to an A record. + try: + response = dns_resolver_resolve_shim(domain, "A") + mtas = [(0, str(r)) for r in response] + mx_fallback = "A" + except (dns.resolver.NoNameservers, dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + + # If there was no A record, fall back to an AAAA record. + try: + response = dns_resolver_resolve_shim(domain, "AAAA") + mtas = [(0, str(r)) for r in response] + mx_fallback = "AAAA" + except (dns.resolver.NoNameservers, dns.resolver.NXDOMAIN, dns.resolver.NoAnswer): + + # If there was no MX, A, or AAAA record, then mail to + # this domain is not deliverable. + raise EmailUndeliverableError("The domain name %s does not exist." % domain_i18n) + + except dns.exception.Timeout: + # A timeout could occur for various reasons, so don't treat it as a failure. + return { + "unknown-deliverability": "timeout", + } + + except EmailUndeliverableError: + # Don't let these get clobbered by the wider except block below. + raise + + except Exception as e: + # Unhandled conditions should not propagate. + raise EmailUndeliverableError( + "There was an error while checking if the domain name in the email address is deliverable: " + str(e) + ) + + return { + "mx": mtas, + "mx-fallback": mx_fallback, + } + + +def main(): + import sys + import json + + def __utf8_input_shim(input_str): + if sys.version_info < (3,): + return input_str.decode("utf-8") + return input_str + + def __utf8_output_shim(output_str): + if sys.version_info < (3,): + return unicode_class(output_str).encode("utf-8") + return output_str + + if len(sys.argv) == 1: + for line in sys.stdin: + email = __utf8_input_shim(line.strip()) + try: + validate_email(email) + except EmailNotValidError as e: + print(__utf8_output_shim("{} {}".format(email, e))) + else: + # Validate the email address passed on the command line. + email = __utf8_input_shim(sys.argv[1]) + try: + result = validate_email(email) + print(json.dumps(result.as_dict(), indent=2, sort_keys=True, ensure_ascii=False)) + except EmailNotValidError as e: + print(__utf8_output_shim(e)) + + +if __name__ == "__main__": + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/examples/__init__.py b/backend/mb-env/lib/python3.9/site-packages/examples/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/examples/application.py b/backend/mb-env/lib/python3.9/site-packages/examples/application.py new file mode 100644 index 0000000..69ab921 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/examples/application.py @@ -0,0 +1,72 @@ +from fastapi import FastAPI, BackgroundTasks, UploadFile, File, Form +from starlette.responses import JSONResponse +from .templates import html, template,bulkmail +from .schema import EmailSchema, EmailStr +from starlette.requests import Request +from fastapi_mail import FastMail, MessageSchema,ConnectionConfig + + +conf = ConnectionConfig( + MAIL_USERNAME = "your_username", + MAIL_PASSWORD = "strong_password", + MAIL_FROM = "your@email.com", + MAIL_PORT = 587, + MAIL_SERVER = "your mail server", + MAIL_TLS = True, + MAIL_SSL = False + ) + +app = FastAPI() + +#test email standart sending mail +@app.post("/email") +async def simple_send(email: EmailSchema) -> JSONResponse: + + message = MessageSchema( + subject="Fastapi-Mail module", + recipients=email.dict().get("email"), + body=html, + subtype="html" + ) + + fm = FastMail(conf) + await fm.send_message(message) + return JSONResponse(status_code=200, content={"message": "email has been sent"}) + + + +#this mail sending using starlettes background tasks, faster than the above one +@app.post("/emailbackground") +async def send_in_background(background_tasks: BackgroundTasks,email: EmailSchema) -> JSONResponse: + + message = MessageSchema( + subject="Fastapi mail module", + recipients=email.dict().get("email"), + body="Simple background task ", + ) + + fm = FastMail(conf) + + background_tasks.add_task(fm.send_message,message) + + return JSONResponse(status_code=200, content={"message": "email has been sent"}) + + + +#an example of sending attachments +@app.post("/file") +async def send_file(background_tasks: BackgroundTasks,file: UploadFile = File(...),email:EmailStr = Form(...)) -> JSONResponse: + + message = MessageSchema( + subject="Fastapi mail module", + recipients=[email], + body="Simple background task ", + attachments=[file] + ) + + fm = FastMail(conf) + + background_tasks.add_task(fm.send_message,message) + + return JSONResponse(status_code=200, content={"message": "email has been sent"}) + diff --git a/backend/mb-env/lib/python3.9/site-packages/examples/schema.py b/backend/mb-env/lib/python3.9/site-packages/examples/schema.py new file mode 100644 index 0000000..63b150c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/examples/schema.py @@ -0,0 +1,7 @@ + +from pydantic import BaseModel,EmailStr +from typing import List, Union + + +class EmailSchema(BaseModel): + email: List[EmailStr] diff --git a/backend/mb-env/lib/python3.9/site-packages/examples/templates.py b/backend/mb-env/lib/python3.9/site-packages/examples/templates.py new file mode 100644 index 0000000..a76d56c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/examples/templates.py @@ -0,0 +1,16 @@ + + + + + +html = """ +

    Hi this test mail, thanks for using Fastapi-mail

    +""" + +template = """ +

    Hi this test mail using BackgroundTasks, thanks for using Fastapi-mail

    +""" + +bulkmail = """ +

    Hi this test mail, example of bulk mail using BackgroundTask thanks for using Fastapi-mail

    +""" \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/COPYING b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/COPYING new file mode 100644 index 0000000..f225b41 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/COPYING @@ -0,0 +1,51 @@ +Copyright (c) 2011 James Saryerwinnie, 2017-2018 Bruce Merry +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. The name of the author may not be used to endorse or promote products + derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +This software contains portions of code from redis-py, which is distributed +under the following license: + +Copyright (c) 2012 Andy McCurdy + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without + restriction, including without limitation the rights to use, + copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the + Software is furnished to do so, subject to the following + conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/METADATA new file mode 100644 index 0000000..f9ae0bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/METADATA @@ -0,0 +1,790 @@ +Metadata-Version: 2.1 +Name: fakeredis +Version: 1.6.0 +Summary: Fake implementation of redis API for testing purposes. +Home-page: https://github.com/jamesls/fakeredis +Author: James Saryerwinnie +Author-email: js@jamesls.com +Maintainer: Bruce Merry +Maintainer-email: bmerry@ska.ac.za +License: BSD +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: License :: OSI Approved :: BSD License +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Requires-Python: >=3.5 +License-File: COPYING +Requires-Dist: redis (<3.6.0) +Requires-Dist: six (>=1.12) +Requires-Dist: sortedcontainers +Provides-Extra: aioredis +Requires-Dist: aioredis ; extra == 'aioredis' +Provides-Extra: lua +Requires-Dist: lupa ; extra == 'lua' + +fakeredis: A fake version of a redis-py +======================================= + +.. image:: https://github.com/jamesls/fakeredis/actions/workflows/test.yml/badge.svg + :target: https://github.com/jamesls/fakeredis/actions/workflows/test.yml + +.. image:: https://coveralls.io/repos/jamesls/fakeredis/badge.svg?branch=master + :target: https://coveralls.io/r/jamesls/fakeredis + + +fakeredis is a pure-Python implementation of the redis-py python client +that simulates talking to a redis server. This was created for a single +purpose: **to write unittests**. Setting up redis is not hard, but +many times you want to write unittests that do not talk to an external server +(such as redis). This module now allows tests to simply use this +module as a reasonable substitute for redis. + +Although fakeredis is pure Python, you will need lupa_ if you want to run Lua +scripts (this includes features like ``redis.lock.Lock``, which are implemented +in Lua). If you install fakeredis with ``pip install fakeredis[lua]`` it will +be automatically installed. + +.. _lupa: https://pypi.org/project/lupa/ + +Alternatives +============ + +Consider using redislite_ instead of fakeredis. It runs a real redis server and +connects to it over a UNIX domain socket, so it will behave just like a real +server. Another alternative is birdisle_, which runs the redis code as a Python +extension (no separate process), but which is currently unmaintained. + +.. _birdisle: https://birdisle.readthedocs.io/en/latest/ +.. _redislite: https://redislite.readthedocs.io/en/latest/ + + +How to Use +========== + +The intent is for fakeredis to act as though you're talking to a real +redis server. It does this by storing state internally. +For example: + +.. code-block:: python + + >>> import fakeredis + >>> r = fakeredis.FakeStrictRedis() + >>> r.set('foo', 'bar') + True + >>> r.get('foo') + 'bar' + >>> r.lpush('bar', 1) + 1 + >>> r.lpush('bar', 2) + 2 + >>> r.lrange('bar', 0, -1) + [2, 1] + +The state is stored in an instance of `FakeServer`. If one is not provided at +construction, a new instance is automatically created for you, but you can +explicitly create one to share state: + +.. code-block:: python + + >>> import fakeredis + >>> server = fakeredis.FakeServer() + >>> r1 = fakeredis.FakeStrictRedis(server=server) + >>> r1.set('foo', 'bar') + True + >>> r2 = fakeredis.FakeStrictRedis(server=server) + >>> r2.get('foo') + 'bar' + >>> r2.set('bar', 'baz') + True + >>> r1.get('bar') + 'baz' + >>> r2.get('bar') + 'baz' + +It is also possible to mock connection errors so you can effectively test +your error handling. Simply set the connected attribute of the server to +`False` after initialization. + +.. code-block:: python + + >>> import fakeredis + >>> server = fakeredis.FakeServer() + >>> server.connected = False + >>> r = fakeredis.FakeStrictRedis(server=server) + >>> r.set('foo', 'bar') + ConnectionError: FakeRedis is emulating a connection error. + >>> server.connected = True + >>> r.set('foo', 'bar') + True + +Fakeredis implements the same interface as `redis-py`_, the +popular redis client for python, and models the responses +of redis 6.0 (although most new feature in 6.0 are not supported). + +Support for aioredis +==================== + +You can also use fakeredis to mock out aioredis_. This is a much newer +addition to fakeredis (added in 1.4.0) with less testing, so your mileage may +vary. Both version 1 and version 2 (which have very different APIs) are +supported. The API provided by fakeredis depends on the version of aioredis that is +installed. + +.. _aioredis: https://aioredis.readthedocs.io/ + +aioredis 1.x +------------ + +Example: + +.. code-block:: python + + >>> import fakeredis.aioredis + >>> r = await fakeredis.aioredis.create_redis_pool() + >>> await r.set('foo', 'bar') + True + >>> await r.get('foo') + b'bar' + +You can pass a `FakeServer` as the first argument to `create_redis` or +`create_redis_pool` to share state (you can even share state with a +`fakeredis.FakeRedis`). It should even be safe to do this state sharing between +threads (as long as each connection/pool is only used in one thread). + +It is highly recommended that you only use the aioredis support with +Python 3.5.3 or higher. Earlier versions will not work correctly with +non-default event loops. + +aioredis 2.x +------------ + +Example: + +.. code-block:: python + + >>> import fakeredis.aioredis + >>> r = fakeredis.aioredis.FakeRedis() + >>> await r.set('foo', 'bar') + True + >>> await r.get('foo') + b'bar' + +The support is essentially the same as for redis-py e.g., you can pass a +`server` keyword argument to the `FakeRedis` constructor. + +Porting to fakeredis 1.0 +======================== + +Version 1.0 is an almost total rewrite, intended to support redis-py 3.x and +improve the Lua scripting emulation. It has a few backwards incompatibilities +that may require changes to your code: + +1. By default, each FakeRedis or FakeStrictRedis instance contains its own + state. This is equivalent to the `singleton=False` option to previous + versions of fakeredis. This change was made to improve isolation between + tests. If you need to share state between instances, create a FakeServer, + as described above. + +2. FakeRedis is now a subclass of Redis, and similarly + FakeStrictRedis is a subclass of StrictRedis. Code that uses `isinstance` + may behave differently. + +3. The `connected` attribute is now a property of `FakeServer`, rather than + `FakeRedis` or `FakeStrictRedis`. You can still pass the property to the + constructor of the latter (provided no server is provided). + + +Unimplemented Commands +====================== + +All of the redis commands are implemented in fakeredis with +these exceptions: + + +server +------ + + * acl load + * acl save + * acl list + * acl users + * acl getuser + * acl setuser + * acl deluser + * acl cat + * acl genpass + * acl whoami + * acl log + * acl help + * bgrewriteaof + * command + * command count + * command getkeys + * command info + * config get + * config rewrite + * config set + * config resetstat + * debug object + * debug segfault + * info + * lolwut + * memory doctor + * memory help + * memory malloc-stats + * memory purge + * memory stats + * memory usage + * module list + * module load + * module unload + * monitor + * role + * shutdown + * slaveof + * replicaof + * slowlog + * sync + * psync + * latency doctor + * latency graph + * latency history + * latency latest + * latency reset + * latency help + + +connection +---------- + + * auth + * client caching + * client id + * client kill + * client list + * client getname + * client getredir + * client pause + * client reply + * client setname + * client tracking + * client unblock + * hello + * quit + + +string +------ + + * bitfield + * bitop + * bitpos + * stralgo + + +sorted_set +---------- + + * bzpopmin + * bzpopmax + * zpopmax + * zpopmin + + +cluster +------- + + * cluster addslots + * cluster bumpepoch + * cluster count-failure-reports + * cluster countkeysinslot + * cluster delslots + * cluster failover + * cluster flushslots + * cluster forget + * cluster getkeysinslot + * cluster info + * cluster keyslot + * cluster meet + * cluster myid + * cluster nodes + * cluster replicate + * cluster reset + * cluster saveconfig + * cluster set-config-epoch + * cluster setslot + * cluster slaves + * cluster replicas + * cluster slots + * readonly + * readwrite + + +generic +------- + + * migrate + * object + * touch + * wait + + +geo +--- + + * geoadd + * geohash + * geopos + * geodist + * georadius + * georadiusbymember + + +list +---- + + * lpos + + +pubsub +------ + + * pubsub + + +scripting +--------- + + * script debug + * script kill + + +stream +------ + + * xinfo + * xadd + * xtrim + * xdel + * xrange + * xrevrange + * xlen + * xread + * xgroup + * xreadgroup + * xack + * xclaim + * xpending + + +Other limitations +================= + +Apart from unimplemented commands, there are a number of cases where fakeredis +won't give identical results to real redis. The following are differences that +are unlikely to ever be fixed; there are also differences that are fixable +(such as commands that do not support all features) which should be filed as +bugs in Github. + +1. Hyperloglogs are implemented using sets underneath. This means that the + `type` command will return the wrong answer, you can't use `get` to retrieve + the encoded value, and counts will be slightly different (they will in fact be + exact). + +2. When a command has multiple error conditions, such as operating on a key of + the wrong type and an integer argument is not well-formed, the choice of + error to return may not match redis. + +3. The `incrbyfloat` and `hincrbyfloat` commands in redis use the C `long + double` type, which typically has more precision than Python's `float` + type. + +4. Redis makes guarantees about the order in which clients blocked on blocking + commands are woken up. Fakeredis does not honour these guarantees. + +5. Where redis contains bugs, fakeredis generally does not try to provide exact + bug-compatibility. It's not practical for fakeredis to try to match the set + of bugs in your specific version of redis. + +6. There are a number of cases where the behaviour of redis is undefined, such + as the order of elements returned by set and hash commands. Fakeredis will + generally not produce the same results, and in Python versions before 3.6 + may produce different results each time the process is re-run. + +7. SCAN/ZSCAN/HSCAN/SSCAN will not necessarily iterate all items if items are + deleted or renamed during iteration. They also won't necessarily iterate in + the same chunk sizes or the same order as redis. + +8. DUMP/RESTORE will not return or expect data in the RDB format. Instead the + `pickle` module is used to mimic an opaque and non-standard format. + **WARNING**: Do not use RESTORE with untrusted data, as a malicious pickle + can execute arbitrary code. + +Contributing +============ + +Contributions are welcome. Please see the `contributing guide`_ for +more details. The maintainer generally has very little time to work on +fakeredis, so the best way to get a bug fixed is to contribute a pull +request. + +If you'd like to help out, you can start with any of the issues +labeled with `HelpWanted`_. + + +Running the Tests +================= + +To ensure parity with the real redis, there are a set of integration tests +that mirror the unittests. For every unittest that is written, the same +test is run against a real redis instance using a real redis-py client +instance. In order to run these tests you must have a redis server running +on localhost, port 6379 (the default settings). **WARNING**: the tests will +completely wipe your database! + + +First install the requirements file:: + + pip install -r requirements.txt + +To run all the tests:: + + pytest + +If you only want to run tests against fake redis, without a real redis:: + + pytest -m fake + +Because this module is attempting to provide the same interface as `redis-py`_, +the python bindings to redis, a reasonable way to test this to to take each +unittest and run it against a real redis server. fakeredis and the real redis +server should give the same result. To run tests against a real redis instance +instead:: + + pytest -m real + +If redis is not running and you try to run tests against a real redis server, +these tests will have a result of 's' for skipped. + +There are some tests that test redis blocking operations that are somewhat +slow. If you want to skip these tests during day to day development, +they have all been tagged as 'slow' so you can skip them by running:: + + pytest -m "not slow" + + +Revision history +================ + +1.6.0 +----- +- `#304 `_ Support aioredis 2 +- `#302 `_ Switch CI from Travis CI to Github Actions + +1.5.2 +----- +- Depend on `aioredis<2` (aioredis 2.x is a backwards-incompatible rewrite). + +1.5.1 +----- +- `#298 `_ Fix a deadlock caused + by garbage collection + +1.5.0 +----- +- Fix clearing of watches when a transaction is aborted. +- Support Python 3.9 and drop support for Python 3.5. +- Update handling of EXEC failures to match redis 6.0.6+. +- `#293 `_ Align + `FakeConnection` constructor signature to base class +- Skip hypothesis tests on 32-bit Redis servers. + +1.4.5 +----- +- `#285 `_ Add support for DUMP + and RESTORE commands +- `#286 `_ Add support for TYPE + option to SCAN command + +1.4.4 +----- +- `#281 `_ Add support for + SCRIPT EXISTS and SCRIPT FLUSH subcommands +- `#280 `_ Fix documentation + about singleton argument + +1.4.3 +----- +- `#277 `_ Implement SET with KEEPTTL +- `#278 `_ Handle indefinite + timeout for PUBSUB commands + +1.4.2 +----- +- `#269 `_ Prevent passing + booleans from Lua to redis +- `#254 `_ Implement TIME command +- `#232 `_ Implement ZADD with INCR +- Rework of unit tests to use more pytest idioms + +1.4.1 +----- +- `#268 `_ Support redis-py 3.5 + (no code changes, just setup.py) + +1.4.0 +----- +- Add support for aioredis. +- Fix interaction of no-op SREM with WATCH. + +1.3.1 +----- +- Make errors from Lua behave more like real redis + +1.3.0 +----- +- `#266 `_ Implement redis.log in Lua + +1.2.1 +----- +- `#262 `_ Cannot repr redis object without host attribute +- Fix a bug in the hypothesis test framework that occasionally caused a failure + +1.2.0 +----- +- Drop support for Python 2.7. +- Test with Python 3.8 and Pypy3. +- Refactor Hypothesis-based tests to support the latest version of Hypothesis. +- Fix a number of bugs in the Hypothesis tests that were causing spurious test + failures or hangs. +- Fix some obscure corner cases + + - If a WATCHed key is MOVEd, don't invalidate the transaction. + - Some cases of passing a key of the wrong type to SINTER/SINTERSTORE were + not reporting a WRONGTYPE error. + - ZUNIONSTORE/ZINTERSTORE could generate different scores from real redis + in corner cases (mostly involving infinities). + +- Speed up the implementation of BINCOUNT. + +1.1.1 +----- +- Support redis-py 3.4. + +1.1.0 +----- +- `#257 `_ Add other inputs for redis connection + +1.0.5 +----- +- `#247 `_ Support NX/XX/CH flags in ZADD command +- `#250 `_ Implement UNLINK command +- `#252 `_ Fix implementation of ZSCAN + +1.0.4 +----- +- `#240 `_ `#242 `_ Support for ``redis==3.3`` + +1.0.3 +----- +- `#235 `_ Support for ``redis==3.2`` + +1.0.2 +----- +- `#235 `_ Depend on ``redis<3.2`` + +1.0.1 +----- +- Fix crash when a connection closes without unsubscribing and there is a subsequent PUBLISH + +1.0 +--- + +Version 1.0 is a major rewrite. It works at the redis protocol level, rather +than at the redis-py level. This allows for many improvements and bug fixes. + +- `#225 `_ Support redis-py 3.0 +- `#65 `_ Support `execute_command` method +- `#206 `_ Drop Python 2.6 support +- `#141 `_ Support strings in integer arguments +- `#218 `_ Watches checks commands rather than final value +- `#220 `_ Better support for calling into redis from Lua +- `#158 `_ Better timestamp handling +- Support for `register_script` function. +- Fixes for race conditions caused by keys expiring mid-command +- Disallow certain commands in scripts +- Fix handling of blocking commands inside transactions +- Fix handling of PING inside pubsub connections + +It also has new unit tests based on hypothesis_, which has identified many +corner cases that are now handled correctly. + +.. _hypothesis: https://hypothesis.readthedocs.io/en/latest/ + +1.0rc1 +------ +Compared to 1.0b1: + +- `#231 `_ Fix setup.py, fakeredis is directory/package now +- Fix some corner case handling of +0 vs -0 +- Fix pubsub `get_message` with a timeout +- Disallow certain commands in scripts +- Fix handling of blocking commands inside transactions +- Fix handling of PING inside pubsub connections +- Make hypothesis tests skip if redis is not running +- Minor optimisations to zset + +1.0b1 +----- +Version 1.0 is a major rewrite. It works at the redis protocol level, rather +than at the redis-py level. This allows for many improvements and bug fixes. + +- `#225 `_ Support redis-py 3.0 +- `#65 `_ Support `execute_command` method +- `#206 `_ Drop Python 2.6 support +- `#141 `_ Support strings in integer arguments +- `#218 `_ Watches checks commands rather than final value +- `#220 `_ Better support for calling into redis from Lua +- `#158 `_ Better timestamp handling +- Support for `register_script` function. +- Fixes for race conditions caused by keys expiring mid-command + +It also has new unit tests based on hypothesis_, which has identified many +corner cases that are now handled correctly. + +.. _hypothesis: https://hypothesis.readthedocs.io/en/latest/ + +0.16.0 +------ +- `#224 `_ Add __delitem__ +- Restrict to redis<3 + +0.15.0 +------ +- `#219 `_ Add SAVE, BGSAVE and LASTSAVE commands +- `#222 `_ Fix deprecation warnings in Python 3.7 + +0.14.0 +------ +This release greatly improves support for threads: the bulk of commands are now +thread-safe, ``lock`` has been rewritten to more closely match redis-py, and +pubsub now supports ``run_in_thread``: + +- `#213 `_ pipeline.watch runs transaction even if no commands are queued +- `#214 `_ Added pubsub.run_in_thread as it is implemented in redis-py +- `#215 `_ Keep pace with redis-py for zrevrange method +- `#216 `_ Update behavior of lock to behave closer to redis lock + +0.13.1 +------ +- `#208 `_ eval's KEYS and ARGV are now lua tables +- `#209 `_ Redis operation that returns dict now converted to Lua table when called inside eval operation +- `#212 `_ Optimize ``_scan()`` + +0.13.0.1 +-------- +- Fix a typo in the Trove classifiers + +0.13.0 +------ +- `#202 `_ Function smembers returns deepcopy +- `#205 `_ Implemented hstrlen +- `#207 `_ Test on Python 3.7 + +0.12.0 +------ +- `#197 `_ Mock connection error +- `#195 `_ Align bool/len behaviour of pipeline +- `#199 `_ future.types.newbytes does not encode correctly + +0.11.0 +------ +- `#194 `_ Support ``score_cast_func`` in zset functions +- `#192 `_ Make ``__getitem__`` raise a KeyError for missing keys + +0.10.3 +------ +This is a minor bug-fix release. + +- `#189 `_ Add 'System' to the list of libc equivalents + +0.10.2 +------ +This is a bug-fix release. + +- `#181 `_ Upgrade twine & other packaging dependencies +- `#106 `_ randomkey method is not implemented, but is not in the list of unimplemented commands +- `#170 `_ Prefer readthedocs.io instead of readthedocs.org for doc links +- `#180 `_ zadd with no member-score pairs should fail +- `#145 `_ expire / _expire: accept 'long' also as time +- `#182 `_ Pattern matching does not match redis behaviour +- `#135 `_ Scan includes expired keys +- `#185 `_ flushall() doesn't clean everything +- `#186 `_ Fix psubscribe with handlers +- Run CI on PyPy +- Fix coverage measurement + +0.10.1 +------ +This release merges the fakenewsredis_ fork back into fakeredis. The version +number is chosen to be larger than any fakenewsredis release, so version +numbers between the forks are comparable. All the features listed under +fakenewsredis version numbers below are thus included in fakeredis for the +first time in this release. + +Additionally, the following was added: +- `#169 `_ Fix set-bit + +fakenewsredis 0.10.0 +-------------------- +- `#14 `_ Add option to create an instance with non-shared data +- `#13 `_ Improve emulation of redis -> Lua returns +- `#12 `_ Update tox.ini: py35/py36 and extras for eval tests +- `#11 `_ Fix typo in private method name + +fakenewsredis 0.9.5 +------------------- +This release makes a start on supporting Lua scripting: +- `#9 `_ Add support for StrictRedis.eval for Lua scripts + +fakenewsredis 0.9.4 +------------------- +This is a minor bugfix and optimization release: +- `#5 `_ Update to match redis-py 2.10.6 +- `#7 `_ Set with invalid expiry time should not set key +- Avoid storing useless expiry times in hashes and sorted sets +- Improve the performance of bulk zadd + +fakenewsredis 0.9.3 +------------------- +This is a minor bugfix release: +- `#6 `_ Fix iteration over pubsub list +- `#3 `_ Preserve expiry time when mutating keys +- Fixes to typos and broken links in documentation + +fakenewsredis 0.9.2 +------------------- +This is the first release of fakenewsredis, based on fakeredis 0.9.0, with the following features and fixes: + +- fakeredis `#78 `_ Behaviour of transaction() does not match redis-py +- fakeredis `#79 `_ Implement redis-py's .lock() +- fakeredis `#90 `_ HINCRBYFLOAT changes hash value type to float +- fakeredis `#101 `_ Should raise an error when attempting to get a key holding a list) +- fakeredis `#146 `_ Pubsub messages and channel names are forced to be ASCII strings on Python 2 +- fakeredis `#163 `_ getset does not to_bytes the value +- fakeredis `#165 `_ linsert implementation is incomplete +- fakeredis `#128 `_ Remove `_ex_keys` mapping +- fakeredis `#139 `_ Fixed all flake8 errors and added flake8 to Travis CI +- fakeredis `#166 `_ Add type checking +- fakeredis `#168 `_ Use repr to encode floats in to_bytes + +.. _fakenewsredis: https://github.com/ska-sa/fakenewsredis +.. _redis-py: http://redis-py.readthedocs.io/ +.. _contributing guide: https://github.com/jamesls/fakeredis/blob/master/CONTRIBUTING.rst +.. _HelpWanted: https://github.com/jamesls/fakeredis/issues?q=is%3Aissue+is%3Aopen+label%3AHelpWanted + + diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/RECORD new file mode 100644 index 0000000..8acc2e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/RECORD @@ -0,0 +1,21 @@ +fakeredis-1.6.0.dist-info/COPYING,sha256=cx08aUesW4pjsXQTCCS1onAdlyLVqY_zz2Yve8Xgtp8,2602 +fakeredis-1.6.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +fakeredis-1.6.0.dist-info/METADATA,sha256=06a9f6BEq_0TMRSv8Skaj2j8Q6ojj_6vESMrgIF588E,25925 +fakeredis-1.6.0.dist-info/RECORD,, +fakeredis-1.6.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +fakeredis-1.6.0.dist-info/WHEEL,sha256=ewwEueio1C2XeHTvT17n8dZUJgOvyCWCt0WVNLClP9o,92 +fakeredis-1.6.0.dist-info/top_level.txt,sha256=tvlxqz-jGu5KXn8Vy9HmkwNCe4ACx0eoTP79ZW266Vg,10 +fakeredis/__init__.py,sha256=XLYVdD8XaG3fb-ZI4KRoh1oltY-HmaC_lYo6TSXO8Qc,115 +fakeredis/__pycache__/__init__.cpython-39.pyc,, +fakeredis/__pycache__/_aioredis1.cpython-39.pyc,, +fakeredis/__pycache__/_aioredis2.cpython-39.pyc,, +fakeredis/__pycache__/_async.cpython-39.pyc,, +fakeredis/__pycache__/_server.cpython-39.pyc,, +fakeredis/__pycache__/_zset.cpython-39.pyc,, +fakeredis/__pycache__/aioredis.cpython-39.pyc,, +fakeredis/_aioredis1.py,sha256=CcXgoUeWDEBf6GVW6Q19C94yU9n9BayKx7GMcfnl1EU,6555 +fakeredis/_aioredis2.py,sha256=SQGDF_eISVC4u9b8I0gULGy-JxxmmspsG1L6ho6fa3M,5373 +fakeredis/_async.py,sha256=guj9CsmWx4H4WzchRAMZ1SNUsYCgF-oo1dFIkKG_YHQ,1722 +fakeredis/_server.py,sha256=HK4DC9EiB9ZMjAInNaeEjno83-O79Zy1iYx-HPGfxOE,94397 +fakeredis/_zset.py,sha256=YeppTthgIo6R-YCwJFZwM9-69Qn4oDURpfEDd3Ne76o,2693 +fakeredis/aioredis.py,sha256=Tn_IWBYHTIs4N4HauMJ2GK20fGy9y677YCc9j74I95o,332 diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/WHEEL new file mode 100644 index 0000000..5bad85f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.0) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/top_level.txt new file mode 100644 index 0000000..34c1f3b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis-1.6.0.dist-info/top_level.txt @@ -0,0 +1 @@ +fakeredis diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/__init__.py new file mode 100644 index 0000000..37e21aa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/__init__.py @@ -0,0 +1,4 @@ +from ._server import FakeServer, FakeRedis, FakeStrictRedis, FakeConnection # noqa: F401 + + +__version__ = '1.6.0' diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis1.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis1.py new file mode 100644 index 0000000..7679f2e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis1.py @@ -0,0 +1,181 @@ +import asyncio +import sys +import warnings + +import aioredis + +from . import _async, _server + + +class FakeSocket(_async.AsyncFakeSocket): + def _decode_error(self, error): + return aioredis.ReplyError(error.value) + + +class FakeReader: + """Re-implementation of aioredis.stream.StreamReader. + + It does not use a socket, but instead provides a queue that feeds + `readobj`. + """ + + def __init__(self, socket): + self._socket = socket + + def set_parser(self, parser): + pass # No parser needed, we get already-parsed data + + async def readobj(self): + if self._socket.responses is None: + raise asyncio.CancelledError + result = await self._socket.responses.get() + return result + + def at_eof(self): + return self._socket.responses is None + + def feed_obj(self, obj): + self._queue.put_nowait(obj) + + +class FakeWriter: + """Replaces a StreamWriter for an aioredis connection.""" + + def __init__(self, socket): + self.transport = socket # So that aioredis can call writer.transport.close() + + def write(self, data): + self.transport.sendall(data) + + +class FakeConnectionsPool(aioredis.ConnectionsPool): + def __init__(self, server=None, db=None, password=None, encoding=None, + *, minsize, maxsize, ssl=None, parser=None, + create_connection_timeout=None, + connection_cls=None, + loop=None): + super().__init__('fakeredis', + db=db, + password=password, + encoding=encoding, + minsize=minsize, + maxsize=maxsize, + ssl=ssl, + parser=parser, + create_connection_timeout=create_connection_timeout, + connection_cls=connection_cls, + loop=loop) + if server is None: + server = _server.FakeServer() + self._server = server + + def _create_new_connection(self, address): + # TODO: what does address do here? Might just be for sentinel? + return create_connection(self._server, + db=self._db, + password=self._password, + ssl=self._ssl, + encoding=self._encoding, + parser=self._parser_class, + timeout=self._create_connection_timeout, + connection_cls=self._connection_cls, + ) + + +async def create_connection(server=None, *, db=None, password=None, ssl=None, + encoding=None, parser=None, loop=None, + timeout=None, connection_cls=None): + # This is mostly copied from aioredis.connection.create_connection + if timeout is not None and timeout <= 0: + raise ValueError("Timeout has to be None or a number greater than 0") + + if connection_cls: + assert issubclass(connection_cls, aioredis.abc.AbcConnection),\ + "connection_class does not meet the AbcConnection contract" + cls = connection_cls + else: + cls = aioredis.connection.RedisConnection + + if loop is not None and sys.version_info >= (3, 8, 0): + warnings.warn("The loop argument is deprecated", + DeprecationWarning) + + if server is None: + server = _server.FakeServer() + socket = FakeSocket(server) + reader = FakeReader(socket) + writer = FakeWriter(socket) + conn = cls(reader, writer, encoding=encoding, + address='fakeredis', parser=parser) + + try: + if password is not None: + await conn.auth(password) + if db is not None: + await conn.select(db) + except Exception: + conn.close() + await conn.wait_closed() + raise + return conn + + +async def create_redis(server=None, *, db=None, password=None, ssl=None, + encoding=None, commands_factory=aioredis.Redis, + parser=None, timeout=None, + connection_cls=None, loop=None): + conn = await create_connection(server, db=db, + password=password, + ssl=ssl, + encoding=encoding, + parser=parser, + timeout=timeout, + connection_cls=connection_cls, + loop=loop) + return commands_factory(conn) + + +async def create_pool(server=None, *, db=None, password=None, ssl=None, + encoding=None, minsize=1, maxsize=10, + parser=None, loop=None, create_connection_timeout=None, + pool_cls=None, connection_cls=None): + # Mostly copied from aioredis.pool.create_pool. + if pool_cls: + assert issubclass(pool_cls, aioredis.AbcPool),\ + "pool_class does not meet the AbcPool contract" + cls = pool_cls + else: + cls = FakeConnectionsPool + + pool = cls(server, db, password, encoding, + minsize=minsize, maxsize=maxsize, + ssl=ssl, parser=parser, + create_connection_timeout=create_connection_timeout, + connection_cls=connection_cls, + loop=loop) + try: + await pool._fill_free(override_min=False) + except Exception: + pool.close() + await pool.wait_closed() + raise + return pool + + +async def create_redis_pool(server=None, *, db=None, password=None, ssl=None, + encoding=None, commands_factory=aioredis.Redis, + minsize=1, maxsize=10, parser=None, + timeout=None, pool_cls=None, + connection_cls=None, loop=None): + pool = await create_pool(server, db=db, + password=password, + ssl=ssl, + encoding=encoding, + minsize=minsize, + maxsize=maxsize, + parser=parser, + create_connection_timeout=timeout, + pool_cls=pool_cls, + connection_cls=connection_cls, + loop=loop) + return commands_factory(pool) diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis2.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis2.py new file mode 100644 index 0000000..d07d197 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_aioredis2.py @@ -0,0 +1,170 @@ +import asyncio +from typing import Union + +import aioredis + +from . import _async, _server + + +class FakeSocket(_async.AsyncFakeSocket): + _connection_error_class = aioredis.ConnectionError + + def _decode_error(self, error): + return aioredis.connection.BaseParser(1).parse_error(error.value) + + +class FakeReader: + pass + + +class FakeWriter: + def __init__(self, socket: FakeSocket) -> None: + self._socket = socket + + def close(self): + self._socket = None + + async def wait_closed(self): + pass + + async def drain(self): + pass + + def writelines(self, data): + for chunk in data: + self._socket.sendall(chunk) + + +class FakeConnection(aioredis.Connection): + def __init__(self, *args, **kwargs): + self._server = kwargs.pop('server') + self._sock = None + super().__init__(*args, **kwargs) + + async def _connect(self): + if not self._server.connected: + raise aioredis.ConnectionError(_server.CONNECTION_ERROR_MSG) + self._sock = FakeSocket(self._server) + self._reader = FakeReader() + self._writer = FakeWriter(self._sock) + + async def disconnect(self): + await super().disconnect() + self._sock = None + + async def can_read(self, timeout: float = 0): + if not self.is_connected: + await self.connect() + if timeout == 0: + return not self._sock.responses.empty() + # asyncio.Queue doesn't have a way to wait for the queue to be + # non-empty without consuming an item, so kludge it with a sleep/poll + # loop. + loop = asyncio.get_event_loop() + start = loop.time() + while True: + if not self._sock.responses.empty(): + return True + await asyncio.sleep(0.01) + now = loop.time() + if timeout is not None and now > start + timeout: + return False + + def _decode(self, response): + if isinstance(response, list): + return [self._decode(item) for item in response] + elif isinstance(response, bytes): + return self.encoder.decode(response) + else: + return response + + async def read_response(self): + if not self._server.connected: + try: + response = self._sock.responses.get_nowait() + except asyncio.QueueEmpty: + raise aioredis.ConnectionError(_server.CONNECTION_ERROR_MSG) + else: + response = await self._sock.responses.get() + if isinstance(response, aioredis.ResponseError): + raise response + return self._decode(response) + + def repr_pieces(self): + pieces = [ + ('server', self._server), + ('db', self.db) + ] + if self.client_name: + pieces.append(('client_name', self.client_name)) + return pieces + + +class FakeRedis(aioredis.Redis): + def __init__( + self, + *, + db: Union[str, int] = 0, + password: str = None, + socket_timeout: float = None, + connection_pool: aioredis.ConnectionPool = None, + encoding: str = "utf-8", + encoding_errors: str = "strict", + decode_responses: bool = False, + retry_on_timeout: bool = False, + max_connections: int = None, + health_check_interval: int = 0, + client_name: str = None, + username: str = None, + server: _server.FakeServer = None, + connected: bool = True, + **kwargs + ): + if not connection_pool: + # Adapted from aioredis + if server is None: + server = _server.FakeServer() + server.connected = connected + connection_kwargs = { + "db": db, + "username": username, + "password": password, + "socket_timeout": socket_timeout, + "encoding": encoding, + "encoding_errors": encoding_errors, + "decode_responses": decode_responses, + "retry_on_timeout": retry_on_timeout, + "max_connections": max_connections, + "health_check_interval": health_check_interval, + "client_name": client_name, + "server": server, + "connection_class": FakeConnection + } + connection_pool = aioredis.ConnectionPool(**connection_kwargs) + super().__init__( + db=db, + password=password, + socket_timeout=socket_timeout, + connection_pool=connection_pool, + encoding=encoding, + encoding_errors=encoding_errors, + decode_responses=decode_responses, + retry_on_timeout=retry_on_timeout, + max_connections=max_connections, + health_check_interval=health_check_interval, + client_name=client_name, + username=username, + **kwargs + ) + + @classmethod + def from_url(cls, url: str, **kwargs): + server = kwargs.pop('server', None) + if server is None: + server = _server.FakeServer() + self = super().from_url(url, **kwargs) + # Now override how it creates connections + pool = self.connection_pool + pool.connection_class = FakeConnection + pool.connection_kwargs['server'] = server + return self diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/_async.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_async.py new file mode 100644 index 0000000..ec51d1e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_async.py @@ -0,0 +1,51 @@ +import asyncio + +import async_timeout + +from . import _server + + +class AsyncFakeSocket(_server.FakeSocket): + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.responses = asyncio.Queue() + + def put_response(self, msg): + self.responses.put_nowait(msg) + + async def _async_blocking(self, timeout, func, event, callback): + try: + result = None + with async_timeout.timeout(timeout if timeout else None): + while True: + await event.wait() + event.clear() + # This is a coroutine outside the normal control flow that + # locks the server, so we have to take our own lock. + with self._server.lock: + ret = func(False) + if ret is not None: + result = self._decode_result(ret) + self.put_response(result) + break + except asyncio.TimeoutError: + result = None + finally: + with self._server.lock: + self._db.remove_change_callback(callback) + self.put_response(result) + self.resume() + + def _blocking(self, timeout, func): + loop = asyncio.get_event_loop() + ret = func(True) + if ret is not None or self._in_transaction: + return ret + event = asyncio.Event() + + def callback(): + loop.call_soon_threadsafe(event.set) + self._db.add_change_callback(callback) + self.pause() + loop.create_task(self._async_blocking(timeout, func, event, callback)) + return _server.NoResponse() diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/_server.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_server.py new file mode 100644 index 0000000..ad269c5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_server.py @@ -0,0 +1,2815 @@ +import logging +import time +import threading +import math +import random +import re +import warnings +import functools +import itertools +import hashlib +import weakref +import queue +import pickle +from collections import defaultdict +from collections.abc import MutableMapping + +import six +import redis + +from ._zset import ZSet + + +LOGGER = logging.getLogger('fakeredis') +REDIS_LOG_LEVELS = { + b'LOG_DEBUG': 0, + b'LOG_VERBOSE': 1, + b'LOG_NOTICE': 2, + b'LOG_WARNING': 3 +} +REDIS_LOG_LEVELS_TO_LOGGING = { + 0: logging.DEBUG, + 1: logging.INFO, + 2: logging.INFO, + 3: logging.WARNING +} + +MAX_STRING_SIZE = 512 * 1024 * 1024 + +INVALID_EXPIRE_MSG = "ERR invalid expire time in {}" +WRONGTYPE_MSG = \ + "WRONGTYPE Operation against a key holding the wrong kind of value" +SYNTAX_ERROR_MSG = "ERR syntax error" +INVALID_INT_MSG = "ERR value is not an integer or out of range" +INVALID_FLOAT_MSG = "ERR value is not a valid float" +INVALID_OFFSET_MSG = "ERR offset is out of range" +INVALID_BIT_OFFSET_MSG = "ERR bit offset is not an integer or out of range" +INVALID_BIT_VALUE_MSG = "ERR bit is not an integer or out of range" +INVALID_DB_MSG = "ERR DB index is out of range" +INVALID_MIN_MAX_FLOAT_MSG = "ERR min or max is not a float" +INVALID_MIN_MAX_STR_MSG = "ERR min or max not a valid string range item" +STRING_OVERFLOW_MSG = "ERR string exceeds maximum allowed size (512MB)" +OVERFLOW_MSG = "ERR increment or decrement would overflow" +NONFINITE_MSG = "ERR increment would produce NaN or Infinity" +SCORE_NAN_MSG = "ERR resulting score is not a number (NaN)" +INVALID_SORT_FLOAT_MSG = "ERR One or more scores can't be converted into double" +SRC_DST_SAME_MSG = "ERR source and destination objects are the same" +NO_KEY_MSG = "ERR no such key" +INDEX_ERROR_MSG = "ERR index out of range" +ZADD_NX_XX_ERROR_MSG = "ERR ZADD allows either 'nx' or 'xx', not both" +ZADD_INCR_LEN_ERROR_MSG = "ERR INCR option supports a single increment-element pair" +ZUNIONSTORE_KEYS_MSG = "ERR at least 1 input key is needed for ZUNIONSTORE/ZINTERSTORE" +WRONG_ARGS_MSG = "ERR wrong number of arguments for '{}' command" +UNKNOWN_COMMAND_MSG = "ERR unknown command '{}'" +EXECABORT_MSG = "EXECABORT Transaction discarded because of previous errors." +MULTI_NESTED_MSG = "ERR MULTI calls can not be nested" +WITHOUT_MULTI_MSG = "ERR {0} without MULTI" +WATCH_INSIDE_MULTI_MSG = "ERR WATCH inside MULTI is not allowed" +NEGATIVE_KEYS_MSG = "ERR Number of keys can't be negative" +TOO_MANY_KEYS_MSG = "ERR Number of keys can't be greater than number of args" +TIMEOUT_NEGATIVE_MSG = "ERR timeout is negative" +NO_MATCHING_SCRIPT_MSG = "NOSCRIPT No matching script. Please use EVAL." +GLOBAL_VARIABLE_MSG = "ERR Script attempted to set global variables: {}" +COMMAND_IN_SCRIPT_MSG = "ERR This Redis command is not allowed from scripts" +BAD_SUBCOMMAND_MSG = "ERR Unknown {} subcommand or wrong # of args." +BAD_COMMAND_IN_PUBSUB_MSG = \ + "ERR only (P)SUBSCRIBE / (P)UNSUBSCRIBE / PING / QUIT allowed in this context" +CONNECTION_ERROR_MSG = "FakeRedis is emulating a connection error." +REQUIRES_MORE_ARGS_MSG = "ERR {} requires {} arguments or more." +LOG_INVALID_DEBUG_LEVEL_MSG = "ERR Invalid debug level." +LUA_COMMAND_ARG_MSG = "ERR Lua redis() command arguments must be strings or integers" +LUA_WRONG_NUMBER_ARGS_MSG = "ERR wrong number or type of arguments" +SCRIPT_ERROR_MSG = "ERR Error running script (call to f_{}): @user_script:?: {}" +RESTORE_KEY_EXISTS = "BUSYKEY Target key name already exists." +RESTORE_INVALID_CHECKSUM_MSG = "ERR DUMP payload version or checksum are wrong" +RESTORE_INVALID_TTL_MSG = "ERR Invalid TTL value, must be >= 0" + +FLAG_NO_SCRIPT = 's' # Command not allowed in scripts + + +class SimpleString: + def __init__(self, value): + assert isinstance(value, bytes) + self.value = value + + +class SimpleError(Exception): + """Exception that will be turned into a frontend-specific exception.""" + + def __init__(self, value): + assert isinstance(value, str) + self.value = value + + +class NoResponse: + """Returned by pub/sub commands to indicate that no response should be returned""" + pass + + +OK = SimpleString(b'OK') +QUEUED = SimpleString(b'QUEUED') +PONG = SimpleString(b'PONG') +BGSAVE_STARTED = SimpleString(b'Background saving started') + + +def null_terminate(s): + # Redis uses C functions on some strings, which means they stop at the + # first NULL. + if b'\0' in s: + return s[:s.find(b'\0')] + return s + + +def casenorm(s): + return null_terminate(s).lower() + + +def casematch(a, b): + return casenorm(a) == casenorm(b) + + +def compile_pattern(pattern): + """Compile a glob pattern (e.g. for keys) to a bytes regex. + + fnmatch.fnmatchcase doesn't work for this, because it uses different + escaping rules to redis, uses ! instead of ^ to negate a character set, + and handles invalid cases (such as a [ without a ]) differently. This + implementation was written by studying the redis implementation. + """ + # It's easier to work with text than bytes, because indexing bytes + # doesn't behave the same in Python 3. Latin-1 will round-trip safely. + pattern = pattern.decode('latin-1') + parts = ['^'] + i = 0 + L = len(pattern) + while i < L: + c = pattern[i] + i += 1 + if c == '?': + parts.append('.') + elif c == '*': + parts.append('.*') + elif c == '\\': + if i == L: + i -= 1 + parts.append(re.escape(pattern[i])) + i += 1 + elif c == '[': + parts.append('[') + if i < L and pattern[i] == '^': + i += 1 + parts.append('^') + parts_len = len(parts) # To detect if anything was added + while i < L: + if pattern[i] == '\\' and i + 1 < L: + i += 1 + parts.append(re.escape(pattern[i])) + elif pattern[i] == ']': + i += 1 + break + elif i + 2 < L and pattern[i + 1] == '-': + start = pattern[i] + end = pattern[i + 2] + if start > end: + start, end = end, start + parts.append(re.escape(start) + '-' + re.escape(end)) + i += 2 + else: + parts.append(re.escape(pattern[i])) + i += 1 + if len(parts) == parts_len: + if parts[-1] == '[': + # Empty group - will never match + parts[-1] = '(?:$.)' + else: + # Negated empty group - matches any character + assert parts[-1] == '^' + parts.pop() + parts[-1] = '.' + else: + parts.append(']') + else: + parts.append(re.escape(c)) + parts.append('\\Z') + regex = ''.join(parts).encode('latin-1') + return re.compile(regex, re.S) + + +class Item: + """An item stored in the database""" + + __slots__ = ['value', 'expireat'] + + def __init__(self, value): + self.value = value + self.expireat = None + + +class CommandItem: + """An item referenced by a command. + + It wraps an Item but has extra fields to manage updates and notifications. + """ + def __init__(self, key, db, item=None, default=None): + if item is None: + self._value = default + self._expireat = None + else: + self._value = item.value + self._expireat = item.expireat + self.key = key + self.db = db + self._modified = False + self._expireat_modified = False + + @property + def value(self): + return self._value + + @value.setter + def value(self, new_value): + self._value = new_value + self._modified = True + self.expireat = None + + @property + def expireat(self): + return self._expireat + + @expireat.setter + def expireat(self, value): + self._expireat = value + self._expireat_modified = True + + def get(self, default): + return self._value if self else default + + def update(self, new_value): + self._value = new_value + self._modified = True + + def updated(self): + self._modified = True + + def writeback(self): + if self._modified: + self.db.notify_watch(self.key) + if not isinstance(self.value, bytes) and not self.value: + self.db.pop(self.key, None) + return + else: + item = self.db.setdefault(self.key, Item(None)) + item.value = self.value + item.expireat = self.expireat + elif self._expireat_modified and self.key in self.db: + self.db[self.key].expireat = self.expireat + + def __bool__(self): + return bool(self._value) or isinstance(self._value, bytes) + + __nonzero__ = __bool__ # For Python 2 + + +class Database(MutableMapping): + def __init__(self, lock, *args, **kwargs): + self._dict = dict(*args, **kwargs) + self.time = 0.0 + self._watches = defaultdict(weakref.WeakSet) # key to set of connections + self.condition = threading.Condition(lock) + self._change_callbacks = set() + + def swap(self, other): + self._dict, other._dict = other._dict, self._dict + self.time, other.time = other.time, self.time + + def notify_watch(self, key): + for sock in self._watches.get(key, set()): + sock.notify_watch() + self.condition.notify_all() + for callback in self._change_callbacks: + callback() + + def add_watch(self, key, sock): + self._watches[key].add(sock) + + def remove_watch(self, key, sock): + watches = self._watches[key] + watches.discard(sock) + if not watches: + del self._watches[key] + + def add_change_callback(self, callback): + self._change_callbacks.add(callback) + + def remove_change_callback(self, callback): + self._change_callbacks.remove(callback) + + def clear(self): + for key in self: + self.notify_watch(key) + self._dict.clear() + + def expired(self, item): + return item.expireat is not None and item.expireat < self.time + + def _remove_expired(self): + for key in list(self._dict): + item = self._dict[key] + if self.expired(item): + del self._dict[key] + + def __getitem__(self, key): + item = self._dict[key] + if self.expired(item): + del self._dict[key] + raise KeyError(key) + return item + + def __setitem__(self, key, value): + self._dict[key] = value + + def __delitem__(self, key): + del self._dict[key] + + def __iter__(self): + self._remove_expired() + return iter(self._dict) + + def __len__(self): + self._remove_expired() + return len(self._dict) + + def __hash__(self): + return hash(super(object, self)) + + def __eq__(self, other): + return super(object, self) == other + + +class Hash(dict): + redis_type = b'hash' + + +class Int: + """Argument converter for 64-bit signed integers""" + + DECODE_ERROR = INVALID_INT_MSG + ENCODE_ERROR = OVERFLOW_MSG + MIN_VALUE = -2**63 + MAX_VALUE = 2**63 - 1 + + @classmethod + def valid(cls, value): + return cls.MIN_VALUE <= value <= cls.MAX_VALUE + + @classmethod + def decode(cls, value): + try: + out = int(value) + if not cls.valid(out) or str(out).encode() != value: + raise ValueError + except ValueError: + raise SimpleError(cls.DECODE_ERROR) + return out + + @classmethod + def encode(cls, value): + if cls.valid(value): + return str(value).encode() + else: + raise SimpleError(cls.ENCODE_ERROR) + + +class BitOffset(Int): + """Argument converter for unsigned bit positions""" + + DECODE_ERROR = INVALID_BIT_OFFSET_MSG + MIN_VALUE = 0 + MAX_VALUE = 8 * MAX_STRING_SIZE - 1 # Redis imposes 512MB limit on keys + + +class BitValue(Int): + DECODE_ERROR = INVALID_BIT_VALUE_MSG + MIN_VALUE = 0 + MAX_VALUE = 1 + + +class DbIndex(Int): + """Argument converter for database indices""" + + DECODE_ERROR = INVALID_DB_MSG + MIN_VALUE = 0 + MAX_VALUE = 15 + + +class Timeout(Int): + """Argument converter for timeouts""" + + DECODE_ERROR = TIMEOUT_NEGATIVE_MSG + MIN_VALUE = 0 + + +class Float: + """Argument converter for floating-point values. + + Redis uses long double for some cases (INCRBYFLOAT, HINCRBYFLOAT) + and double for others (zset scores), but Python doesn't support + long double. + """ + + DECODE_ERROR = INVALID_FLOAT_MSG + + @classmethod + def decode(cls, value, + allow_leading_whitespace=False, + allow_erange=False, + allow_empty=False, + crop_null=False): + # redis has some quirks in float parsing, with several variants. + # See https://github.com/antirez/redis/issues/5706 + try: + if crop_null: + value = null_terminate(value) + if allow_empty and value == b'': + value = b'0.0' + if not allow_leading_whitespace and value[:1].isspace(): + raise ValueError + if value[-1:].isspace(): + raise ValueError + out = float(value) + if math.isnan(out): + raise ValueError + if not allow_erange: + # Values that over- or underflow- are explicitly rejected by + # redis. This is a crude hack to determine whether the input + # may have been such a value. + if out in (math.inf, -math.inf, 0.0) and re.match(b'^[^a-zA-Z]*[1-9]', value): + raise ValueError + return out + except ValueError: + raise SimpleError(cls.DECODE_ERROR) + + @classmethod + def encode(cls, value, humanfriendly): + if math.isinf(value): + return str(value).encode() + elif humanfriendly: + # Algorithm from ld2string in redis + out = '{:.17f}'.format(value) + out = re.sub(r'(?:\.)?0+$', '', out) + return out.encode() + else: + return '{:.17g}'.format(value).encode() + + +class SortFloat(Float): + DECODE_ERROR = INVALID_SORT_FLOAT_MSG + + @classmethod + def decode(cls, value): + return super().decode( + value, allow_leading_whitespace=True, allow_empty=True, crop_null=True) + + +class ScoreTest: + """Argument converter for sorted set score endpoints.""" + def __init__(self, value, exclusive=False): + self.value = value + self.exclusive = exclusive + + @classmethod + def decode(cls, value): + try: + exclusive = False + if value[:1] == b'(': + exclusive = True + value = value[1:] + value = Float.decode( + value, allow_leading_whitespace=True, allow_erange=True, + allow_empty=True, crop_null=True) + return cls(value, exclusive) + except SimpleError: + raise SimpleError(INVALID_MIN_MAX_FLOAT_MSG) + + def __str__(self): + if self.exclusive: + return '({!r}'.format(self.value) + else: + return repr(self.value) + + @property + def lower_bound(self): + return (self.value, AfterAny() if self.exclusive else BeforeAny()) + + @property + def upper_bound(self): + return (self.value, BeforeAny() if self.exclusive else AfterAny()) + + +class StringTest: + """Argument converter for sorted set LEX endpoints.""" + def __init__(self, value, exclusive): + self.value = value + self.exclusive = exclusive + + @classmethod + def decode(cls, value): + if value == b'-': + return cls(BeforeAny(), True) + elif value == b'+': + return cls(AfterAny(), True) + elif value[:1] == b'(': + return cls(value[1:], True) + elif value[:1] == b'[': + return cls(value[1:], False) + else: + raise SimpleError(INVALID_MIN_MAX_STR_MSG) + + +@functools.total_ordering +class BeforeAny: + def __gt__(self, other): + return False + + def __eq__(self, other): + return isinstance(other, BeforeAny) + + +@functools.total_ordering +class AfterAny: + def __lt__(self, other): + return False + + def __eq__(self, other): + return isinstance(other, AfterAny) + + +class Key: + """Marker to indicate that argument in signature is a key""" + UNSPECIFIED = object() + + def __init__(self, type_=None, missing_return=UNSPECIFIED): + self.type_ = type_ + self.missing_return = missing_return + + +class Signature: + def __init__(self, name, fixed, repeat=(), flags=""): + self.name = name + self.fixed = fixed + self.repeat = repeat + self.flags = flags + + def check_arity(self, args): + if len(args) != len(self.fixed): + delta = len(args) - len(self.fixed) + if delta < 0 or not self.repeat: + raise SimpleError(WRONG_ARGS_MSG.format(self.name)) + + def apply(self, args, db): + """Returns a tuple, which is either: + - transformed args and a dict of CommandItems; or + - a single containing a short-circuit return value + """ + self.check_arity(args) + if self.repeat: + delta = len(args) - len(self.fixed) + if delta % len(self.repeat) != 0: + raise SimpleError(WRONG_ARGS_MSG.format(self.name)) + + types = list(self.fixed) + for i in range(len(args) - len(types)): + types.append(self.repeat[i % len(self.repeat)]) + + args = list(args) + # First pass: convert/validate non-keys, and short-circuit on missing keys + for i, (arg, type_) in enumerate(zip(args, types)): + if isinstance(type_, Key): + if type_.missing_return is not Key.UNSPECIFIED and arg not in db: + return (type_.missing_return,) + elif type_ != bytes: + args[i] = type_.decode(args[i]) + + # Second pass: read keys and check their types + command_items = [] + for i, (arg, type_) in enumerate(zip(args, types)): + if isinstance(type_, Key): + item = db.get(arg) + default = None + if type_.type_ is not None: + if item is not None and type(item.value) != type_.type_: + raise SimpleError(WRONGTYPE_MSG) + if item is None: + if type_.type_ is not bytes: + default = type_.type_() + args[i] = CommandItem(arg, db, item, default=default) + command_items.append(args[i]) + + return args, command_items + + +def valid_response_type(value, nested=False): + if isinstance(value, NoResponse) and not nested: + return True + if value is not None and not isinstance(value, (bytes, SimpleString, SimpleError, + int, list)): + return False + if isinstance(value, list): + if any(not valid_response_type(item, True) for item in value): + return False + return True + + +def command(*args, **kwargs): + def decorator(func): + name = kwargs.pop('name', func.__name__) + func._fakeredis_sig = Signature(name, *args, **kwargs) + return func + + return decorator + + +class FakeServer: + def __init__(self): + self.lock = threading.Lock() + self.dbs = defaultdict(lambda: Database(self.lock)) + # Maps SHA1 to script source + self.script_cache = {} + # Maps channel/pattern to weak set of sockets + self.subscribers = defaultdict(weakref.WeakSet) + self.psubscribers = defaultdict(weakref.WeakSet) + self.lastsave = int(time.time()) + self.connected = True + # List of weakrefs to sockets that are being closed lazily + self.closed_sockets = [] + + +class FakeSocket: + _connection_error_class = redis.ConnectionError + + def __init__(self, server): + self._server = server + self._db = server.dbs[0] + self._db_num = 0 + # When in a MULTI, set to a list of function calls + self._transaction = None + self._transaction_failed = False + # Set when executing the commands from EXEC + self._in_transaction = False + self._watch_notified = False + self._watches = set() + self._pubsub = 0 # Count of subscriptions + self.responses = queue.Queue() + # Prevents parser from processing commands. Not used in this module, + # but set by aioredis module to prevent new commands being processed + # while handling a blocking command. + self._paused = False + self._parser = self._parse_commands() + self._parser.send(None) + + def put_response(self, msg): + # redis.Connection.__del__ might call self.close at any time, which + # will set self.responses to None. We assume this will happen + # atomically, and the code below then protects us against this. + responses = self.responses + if responses: + responses.put(msg) + + def pause(self): + self._paused = True + + def resume(self): + self._paused = False + self._parser.send(b'') + + def shutdown(self, flags): + self._parser.close() + + def fileno(self): + # Our fake socket must return an integer from `FakeSocket.fileno()` since a real selector + # will be created. The value does not matter since we replace the selector with our own + # `FakeSelector` before it is ever used. + return 0 + + def _cleanup(self, server): + """Remove all the references to `self` from `server`. + + This is called with the server lock held, but it may be some time after + self.close. + """ + for subs in server.subscribers.values(): + subs.discard(self) + for subs in server.psubscribers.values(): + subs.discard(self) + self._clear_watches() + + def close(self): + # Mark ourselves for cleanup. This might be called from + # redis.Connection.__del__, which the garbage collection could call + # at any time, and hence we can't safely take the server lock. + # We rely on list.append being atomic. + self._server.closed_sockets.append(weakref.ref(self)) + self._server = None + self._db = None + self.responses = None + + @staticmethod + def _extract_line(buf): + pos = buf.find(b'\n') + 1 + assert pos > 0 + line = buf[:pos] + buf = buf[pos:] + assert line.endswith(b'\r\n') + return line, buf + + def _parse_commands(self): + """Generator that parses commands. + + It is fed pieces of redis protocol data (via `send`) and calls + `_process_command` whenever it has a complete one. + """ + buf = b'' + while True: + while self._paused or b'\n' not in buf: + buf += yield + line, buf = self._extract_line(buf) + assert line[:1] == b'*' # array + n_fields = int(line[1:-2]) + fields = [] + for i in range(n_fields): + while b'\n' not in buf: + buf += yield + line, buf = self._extract_line(buf) + assert line[:1] == b'$' # string + length = int(line[1:-2]) + while len(buf) < length + 2: + buf += yield + fields.append(buf[:length]) + buf = buf[length+2:] # +2 to skip the CRLF + self._process_command(fields) + + def _run_command(self, func, sig, args, from_script): + command_items = {} + try: + ret = sig.apply(args, self._db) + if len(ret) == 1: + result = ret[0] + else: + args, command_items = ret + if from_script and FLAG_NO_SCRIPT in sig.flags: + raise SimpleError(COMMAND_IN_SCRIPT_MSG) + if self._pubsub and sig.name not in [ + 'ping', 'subscribe', 'unsubscribe', + 'psubscribe', 'punsubscribe', 'quit']: + raise SimpleError(BAD_COMMAND_IN_PUBSUB_MSG) + result = func(*args) + assert valid_response_type(result) + except SimpleError as exc: + result = exc + for command_item in command_items: + command_item.writeback() + return result + + def _decode_error(self, error): + return redis.connection.BaseParser().parse_error(error.value) + + def _decode_result(self, result): + """Convert SimpleString and SimpleError, recursively""" + if isinstance(result, list): + return [self._decode_result(r) for r in result] + elif isinstance(result, SimpleString): + return result.value + elif isinstance(result, SimpleError): + return self._decode_error(result) + else: + return result + + def _blocking(self, timeout, func): + """Run a function until it succeeds or timeout is reached. + + The timeout must be an integer, and 0 means infinite. The function + is called with a boolean to indicate whether this is the first call. + If it returns None it is considered to have "failed" and is retried + each time the condition variable is notified, until the timeout is + reached. + + Returns the function return value, or None if the timeout was reached. + """ + ret = func(True) + if ret is not None or self._in_transaction: + return ret + if timeout: + deadline = time.time() + timeout + else: + deadline = None + while True: + timeout = deadline - time.time() if deadline is not None else None + if timeout is not None and timeout <= 0: + return None + # Python <3.2 doesn't return a status from wait. On Python 3.2+ + # we bail out early on False. + if self._db.condition.wait(timeout=timeout) is False: + return None # Timeout expired + ret = func(False) + if ret is not None: + return ret + + def _name_to_func(self, name): + name = six.ensure_str(name, encoding='utf-8', errors='replace') + func_name = name.lower() + func = getattr(self, func_name, None) + if name.startswith('_') or not func or not hasattr(func, '_fakeredis_sig'): + # redis remaps \r or \n in an error to ' ' to make it legal protocol + clean_name = name.replace('\r', ' ').replace('\n', ' ') + raise SimpleError(UNKNOWN_COMMAND_MSG.format(clean_name)) + return func, func_name + + def sendall(self, data): + if not self._server.connected: + raise self._connection_error_class(CONNECTION_ERROR_MSG) + if isinstance(data, str): + data = data.encode('ascii') + self._parser.send(data) + + def _process_command(self, fields): + if not fields: + return + func_name = None + try: + func, func_name = self._name_to_func(fields[0]) + sig = func._fakeredis_sig + with self._server.lock: + # Clean out old connections + while True: + try: + weak_sock = self._server.closed_sockets.pop() + except IndexError: + break + else: + sock = weak_sock() + if sock: + sock._cleanup(self._server) + now = time.time() + for db in self._server.dbs.values(): + db.time = now + sig.check_arity(fields[1:]) + # TODO: make a signature attribute for transactions + if self._transaction is not None \ + and func_name not in ('exec', 'discard', 'multi', 'watch'): + self._transaction.append((func, sig, fields[1:])) + result = QUEUED + else: + result = self._run_command(func, sig, fields[1:], False) + except SimpleError as exc: + if self._transaction is not None: + # TODO: should not apply if the exception is from _run_command + # e.g. watch inside multi + self._transaction_failed = True + if func_name == 'exec' and exc.value.startswith('ERR '): + exc.value = 'EXECABORT Transaction discarded because of: ' + exc.value[4:] + self._transaction = None + self._transaction_failed = False + self._clear_watches() + result = exc + result = self._decode_result(result) + if not isinstance(result, NoResponse): + self.put_response(result) + + def notify_watch(self): + self._watch_notified = True + + # redis has inconsistent handling of negative indices, hence two versions + # of this code. + + @staticmethod + def _fix_range_string(start, end, length): + # Negative number handling is based on the redis source code + if start < 0 and end < 0 and start > end: + return -1, -1 + if start < 0: + start = max(0, start + length) + if end < 0: + end = max(0, end + length) + end = min(end, length - 1) + return start, end + 1 + + @staticmethod + def _fix_range(start, end, length): + # Redis handles negative slightly differently for zrange + if start < 0: + start = max(0, start + length) + if end < 0: + end += length + if start > end or start >= length: + return -1, -1 + end = min(end, length - 1) + return start, end + 1 + + def _scan(self, keys, cursor, *args): + """ + This is the basis of most of the ``scan`` methods. + + This implementation is KNOWN to be un-performant, as it requires + grabbing the full set of keys over which we are investigating subsets. + + It also doesn't adhere to the guarantee that every key will be iterated + at least once even if the database is modified during the scan. + However, provided the database is not modified, every key will be + returned exactly once. + """ + pattern = None + type = None + count = 10 + if len(args) % 2 != 0: + raise SimpleError(SYNTAX_ERROR_MSG) + for i in range(0, len(args), 2): + if casematch(args[i], b'match'): + pattern = args[i + 1] + elif casematch(args[i], b'count'): + count = Int.decode(args[i + 1]) + if count <= 0: + raise SimpleError(SYNTAX_ERROR_MSG) + elif casematch(args[i], b'type'): + type = args[i + 1] + else: + raise SimpleError(SYNTAX_ERROR_MSG) + + if cursor >= len(keys): + return [0, []] + data = sorted(keys) + result_cursor = cursor + count + result_data = [] + + regex = compile_pattern(pattern) if pattern is not None else None + + def match_key(key): + return regex.match(key) if pattern is not None else True + + def match_type(key): + if type is not None: + return casematch(self.type(self._db[key]).value, type) + return True + + if pattern is not None or type is not None: + for val in itertools.islice(data, cursor, result_cursor): + compare_val = val[0] if isinstance(val, tuple) else val + if match_key(compare_val) and match_type(compare_val): + result_data.append(val) + else: + result_data = data[cursor:result_cursor] + + if result_cursor >= len(data): + result_cursor = 0 + return [result_cursor, result_data] + + # Connection commands + # TODO: auth, quit + + @command((bytes,)) + def echo(self, message): + return message + + @command((), (bytes,)) + def ping(self, *args): + if len(args) > 1: + raise SimpleError(WRONG_ARGS_MSG.format('ping')) + if self._pubsub: + return [b'pong', args[0] if args else b''] + else: + return args[0] if args else PONG + + @command((DbIndex,)) + def select(self, index): + self._db = self._server.dbs[index] + self._db_num = index + return OK + + @command((DbIndex, DbIndex)) + def swapdb(self, index1, index2): + if index1 != index2: + db1 = self._server.dbs[index1] + db2 = self._server.dbs[index2] + db1.swap(db2) + return OK + + # Key commands + # TODO: lots + + def _delete(self, *keys): + ans = 0 + done = set() + for key in keys: + if key and key.key not in done: + key.value = None + done.add(key.key) + ans += 1 + return ans + + @command((Key(),), (Key(),), name='del') + def del_(self, *keys): + return self._delete(*keys) + + @command((Key(),), (Key(),), name='unlink') + def unlink(self, *keys): + return self._delete(*keys) + + @command((Key(),), (Key(),)) + def exists(self, *keys): + ret = 0 + for key in keys: + if key: + ret += 1 + return ret + + def _expireat(self, key, timestamp): + if not key: + return 0 + else: + key.expireat = timestamp + return 1 + + def _ttl(self, key, scale): + if not key: + return -2 + elif key.expireat is None: + return -1 + else: + return int(round((key.expireat - self._db.time) * scale)) + + @command((Key(), Int)) + def expire(self, key, seconds): + return self._expireat(key, self._db.time + seconds) + + @command((Key(), Int)) + def expireat(self, key, timestamp): + return self._expireat(key, float(timestamp)) + + @command((Key(), Int)) + def pexpire(self, key, ms): + return self._expireat(key, self._db.time + ms / 1000.0) + + @command((Key(), Int)) + def pexpireat(self, key, ms_timestamp): + return self._expireat(key, ms_timestamp / 1000.0) + + @command((Key(),)) + def ttl(self, key): + return self._ttl(key, 1.0) + + @command((Key(),)) + def pttl(self, key): + return self._ttl(key, 1000.0) + + @command((Key(),)) + def type(self, key): + if key.value is None: + return SimpleString(b'none') + elif isinstance(key.value, bytes): + return SimpleString(b'string') + elif isinstance(key.value, list): + return SimpleString(b'list') + elif isinstance(key.value, set): + return SimpleString(b'set') + elif isinstance(key.value, ZSet): + return SimpleString(b'zset') + elif isinstance(key.value, dict): + return SimpleString(b'hash') + else: + assert False # pragma: nocover + + @command((Key(),)) + def persist(self, key): + if key.expireat is None: + return 0 + key.expireat = None + return 1 + + @command((bytes,)) + def keys(self, pattern): + if pattern == b'*': + return list(self._db) + else: + regex = compile_pattern(pattern) + return [key for key in self._db if regex.match(key)] + + @command((Key(), DbIndex)) + def move(self, key, db): + if db == self._db_num: + raise SimpleError(SRC_DST_SAME_MSG) + if not key or key.key in self._server.dbs[db]: + return 0 + # TODO: what is the interaction with expiry? + self._server.dbs[db][key.key] = self._server.dbs[self._db_num][key.key] + key.value = None # Causes deletion + return 1 + + @command(()) + def randomkey(self): + keys = list(self._db.keys()) + if not keys: + return None + return random.choice(keys) + + @command((Key(), Key())) + def rename(self, key, newkey): + if not key: + raise SimpleError(NO_KEY_MSG) + # TODO: check interaction with WATCH + if newkey.key != key.key: + newkey.value = key.value + newkey.expireat = key.expireat + key.value = None + return OK + + @command((Key(), Key())) + def renamenx(self, key, newkey): + if not key: + raise SimpleError(NO_KEY_MSG) + if newkey: + return 0 + self.rename(key, newkey) + return 1 + + @command((Int,), (bytes, bytes)) + def scan(self, cursor, *args): + return self._scan(list(self._db), cursor, *args) + + def _lookup_key(self, key, pattern): + """Python implementation of lookupKeyByPattern from redis""" + if pattern == b'#': + return key + p = pattern.find(b'*') + if p == -1: + return None + prefix = pattern[:p] + suffix = pattern[p+1:] + arrow = suffix.find(b'->', 0, -1) + if arrow != -1: + field = suffix[arrow+2:] + suffix = suffix[:arrow] + else: + field = None + new_key = prefix + key + suffix + item = CommandItem(new_key, self._db, item=self._db.get(new_key)) + if item.value is None: + return None + if field is not None: + if not isinstance(item.value, dict): + return None + return item.value.get(field) + else: + if not isinstance(item.value, bytes): + return None + return item.value + + @command((Key(),), (bytes,)) + def sort(self, key, *args): + i = 0 + desc = False + alpha = False + limit_start = 0 + limit_count = -1 + store = None + sortby = None + dontsort = False + get = [] + if key.value is not None: + if not isinstance(key.value, (set, list, ZSet)): + raise SimpleError(WRONGTYPE_MSG) + + while i < len(args): + arg = args[i] + if casematch(arg, b'asc'): + desc = False + elif casematch(arg, b'desc'): + desc = True + elif casematch(arg, b'alpha'): + alpha = True + elif casematch(arg, b'limit') and i + 2 < len(args): + try: + limit_start = Int.decode(args[i + 1]) + limit_count = Int.decode(args[i + 2]) + except SimpleError: + raise SimpleError(SYNTAX_ERROR_MSG) + else: + i += 2 + elif casematch(arg, b'store') and i + 1 < len(args): + store = args[i + 1] + i += 1 + elif casematch(arg, b'by') and i + 1 < len(args): + sortby = args[i + 1] + if b'*' not in sortby: + dontsort = True + i += 1 + elif casematch(arg, b'get') and i + 1 < len(args): + get.append(args[i + 1]) + i += 1 + else: + raise SimpleError(SYNTAX_ERROR_MSG) + i += 1 + + # TODO: force sorting if the object is a set and either in Lua or + # storing to a key, to match redis behaviour. + items = list(key.value) if key.value is not None else [] + + # These transformations are based on the redis implementation, but + # changed to produce a half-open range. + start = max(limit_start, 0) + end = len(items) if limit_count < 0 else start + limit_count + if start >= len(items): + start = end = len(items) - 1 + end = min(end, len(items)) + + if not get: + get.append(b'#') + if sortby is None: + sortby = b'#' + + if not dontsort: + if alpha: + def sort_key(v): + byval = self._lookup_key(v, sortby) + # TODO: use locale.strxfrm when not storing? But then need + # to decode too. + if byval is None: + byval = BeforeAny() + return byval + + else: + def sort_key(v): + byval = self._lookup_key(v, sortby) + score = SortFloat.decode(byval) if byval is not None else 0.0 + return (score, v) + + items.sort(key=sort_key, reverse=desc) + elif isinstance(key.value, (list, ZSet)): + items.reverse() + + out = [] + for row in items[start:end]: + for g in get: + v = self._lookup_key(row, g) + if store is not None and v is None: + v = b'' + out.append(v) + if store is not None: + item = CommandItem(store, self._db, item=self._db.get(store)) + item.value = out + item.writeback() + return len(out) + else: + return out + + @command((Key(missing_return=None),)) + def dump(self, key): + value = pickle.dumps(key.value) + checksum = hashlib.sha1(value).digest() + return checksum + value + + @command((Key(), Int, bytes), (bytes,)) + def restore(self, key, ttl, value, *args): + replace = False + i = 0 + while i < len(args): + if casematch(args[i], b'replace'): + replace = True + i += 1 + else: + raise SimpleError(SYNTAX_ERROR_MSG) + if key and not replace: + raise SimpleError(RESTORE_KEY_EXISTS) + checksum, value = value[:20], value[20:] + if hashlib.sha1(value).digest() != checksum: + raise SimpleError(RESTORE_INVALID_CHECKSUM_MSG) + if ttl < 0: + raise SimpleError(RESTORE_INVALID_TTL_MSG) + if ttl == 0: + expireat = None + else: + expireat = self._db.time + ttl / 1000.0 + key.value = pickle.loads(value) + key.expireat = expireat + return OK + + # Transaction commands + + def _clear_watches(self): + self._watch_notified = False + while self._watches: + (key, db) = self._watches.pop() + db.remove_watch(key, self) + + @command((), flags='s') + def multi(self): + if self._transaction is not None: + raise SimpleError(MULTI_NESTED_MSG) + self._transaction = [] + self._transaction_failed = False + return OK + + @command((), flags='s') + def discard(self): + if self._transaction is None: + raise SimpleError(WITHOUT_MULTI_MSG.format('DISCARD')) + self._transaction = None + self._transaction_failed = False + self._clear_watches() + return OK + + @command((), name='exec', flags='s') + def exec_(self): + if self._transaction is None: + raise SimpleError(WITHOUT_MULTI_MSG.format('EXEC')) + if self._transaction_failed: + self._transaction = None + self._clear_watches() + raise SimpleError(EXECABORT_MSG) + transaction = self._transaction + self._transaction = None + self._transaction_failed = False + watch_notified = self._watch_notified + self._clear_watches() + if watch_notified: + return None + result = [] + for func, sig, args in transaction: + try: + self._in_transaction = True + ans = self._run_command(func, sig, args, False) + except SimpleError as exc: + ans = exc + finally: + self._in_transaction = False + result.append(ans) + return result + + @command((Key(),), (Key(),), flags='s') + def watch(self, *keys): + if self._transaction is not None: + raise SimpleError(WATCH_INSIDE_MULTI_MSG) + for key in keys: + if key not in self._watches: + self._watches.add((key.key, self._db)) + self._db.add_watch(key.key, self) + return OK + + @command((), flags='s') + def unwatch(self): + self._clear_watches() + return OK + + # String commands + # TODO: bitfield, bitop, bitpos + + @command((Key(bytes), bytes)) + def append(self, key, value): + old = key.get(b'') + if len(old) + len(value) > MAX_STRING_SIZE: + raise SimpleError(STRING_OVERFLOW_MSG) + key.update(key.get(b'') + value) + return len(key.value) + + @command((Key(bytes, 0),), (bytes,)) + def bitcount(self, key, *args): + # Redis checks the argument count before decoding integers. That's why + # we can't declare them as Int. + if args: + if len(args) != 2: + raise SimpleError(SYNTAX_ERROR_MSG) + start = Int.decode(args[0]) + end = Int.decode(args[1]) + start, end = self._fix_range_string(start, end, len(key.value)) + value = key.value[start:end] + else: + value = key.value + return bin(int.from_bytes(value, 'little')).count('1') + + @command((Key(bytes), Int)) + def decrby(self, key, amount): + return self.incrby(key, -amount) + + @command((Key(bytes),)) + def decr(self, key): + return self.incrby(key, -1) + + @command((Key(bytes), Int)) + def incrby(self, key, amount): + c = Int.decode(key.get(b'0')) + amount + key.update(Int.encode(c)) + return c + + @command((Key(bytes),)) + def incr(self, key): + return self.incrby(key, 1) + + @command((Key(bytes), bytes)) + def incrbyfloat(self, key, amount): + # TODO: introduce convert_order so that we can specify amount is Float + c = Float.decode(key.get(b'0')) + Float.decode(amount) + if not math.isfinite(c): + raise SimpleError(NONFINITE_MSG) + encoded = Float.encode(c, True) + key.update(encoded) + return encoded + + @command((Key(bytes),)) + def get(self, key): + return key.get(None) + + @command((Key(bytes), BitOffset)) + def getbit(self, key, offset): + value = key.get(b'') + byte = offset // 8 + remaining = offset % 8 + actual_bitoffset = 7 - remaining + try: + actual_val = value[byte] + except IndexError: + return 0 + return 1 if (1 << actual_bitoffset) & actual_val else 0 + + @command((Key(bytes), BitOffset, BitValue)) + def setbit(self, key, offset, value): + val = key.get(b'\x00') + byte = offset // 8 + remaining = offset % 8 + actual_bitoffset = 7 - remaining + if len(val) - 1 < byte: + # We need to expand val so that we can set the appropriate + # bit. + needed = byte - (len(val) - 1) + val += b'\x00' * needed + old_byte = val[byte] + if value == 1: + new_byte = old_byte | (1 << actual_bitoffset) + else: + new_byte = old_byte & ~(1 << actual_bitoffset) + old_value = value if old_byte == new_byte else 1 - value + reconstructed = bytearray(val) + reconstructed[byte] = new_byte + key.update(bytes(reconstructed)) + return old_value + + @command((Key(bytes), Int, Int)) + def getrange(self, key, start, end): + value = key.get(b'') + start, end = self._fix_range_string(start, end, len(value)) + return value[start:end] + + # substr is a deprecated alias for getrange + @command((Key(bytes), Int, Int)) + def substr(self, key, start, end): + return self.getrange(key, start, end) + + @command((Key(bytes), bytes)) + def getset(self, key, value): + old = key.value + key.value = value + return old + + @command((Key(),), (Key(),)) + def mget(self, *keys): + return [key.value if isinstance(key.value, bytes) else None for key in keys] + + @command((Key(), bytes), (Key(), bytes)) + def mset(self, *args): + for i in range(0, len(args), 2): + args[i].value = args[i + 1] + return OK + + @command((Key(), bytes), (Key(), bytes)) + def msetnx(self, *args): + for i in range(0, len(args), 2): + if args[i]: + return 0 + for i in range(0, len(args), 2): + args[i].value = args[i + 1] + return 1 + + @command((Key(), bytes), (bytes,), name='set') + def set_(self, key, value, *args): + i = 0 + ex = None + px = None + xx = False + nx = False + keepttl = False + while i < len(args): + if casematch(args[i], b'nx'): + nx = True + i += 1 + elif casematch(args[i], b'xx'): + xx = True + i += 1 + elif casematch(args[i], b'ex') and i + 1 < len(args): + ex = Int.decode(args[i + 1]) + if ex <= 0: + raise SimpleError(INVALID_EXPIRE_MSG.format('set')) + i += 2 + elif casematch(args[i], b'px') and i + 1 < len(args): + px = Int.decode(args[i + 1]) + if px <= 0: + raise SimpleError(INVALID_EXPIRE_MSG.format('set')) + i += 2 + elif casematch(args[i], b'keepttl'): + keepttl = True + i += 1 + else: + raise SimpleError(SYNTAX_ERROR_MSG) + if (xx and nx) or ((px is not None) + (ex is not None) + keepttl > 1): + raise SimpleError(SYNTAX_ERROR_MSG) + + if nx and key: + return None + if xx and not key: + return None + if not keepttl: + key.value = value + else: + key.update(value) + if ex is not None: + key.expireat = self._db.time + ex + if px is not None: + key.expireat = self._db.time + px / 1000.0 + return OK + + @command((Key(), Int, bytes)) + def setex(self, key, seconds, value): + if seconds <= 0: + raise SimpleError(INVALID_EXPIRE_MSG.format('setex')) + key.value = value + key.expireat = self._db.time + seconds + return OK + + @command((Key(), Int, bytes)) + def psetex(self, key, ms, value): + if ms <= 0: + raise SimpleError(INVALID_EXPIRE_MSG.format('psetex')) + key.value = value + key.expireat = self._db.time + ms / 1000.0 + return OK + + @command((Key(), bytes)) + def setnx(self, key, value): + if key: + return 0 + key.value = value + return 1 + + @command((Key(bytes), Int, bytes)) + def setrange(self, key, offset, value): + if offset < 0: + raise SimpleError(INVALID_OFFSET_MSG) + elif not value: + return len(key.get(b'')) + elif offset + len(value) > MAX_STRING_SIZE: + raise SimpleError(STRING_OVERFLOW_MSG) + else: + out = key.get(b'') + if len(out) < offset: + out += b'\x00' * (offset - len(out)) + out = out[0:offset] + value + out[offset+len(value):] + key.update(out) + return len(out) + + @command((Key(bytes),)) + def strlen(self, key): + return len(key.get(b'')) + + # Hash commands + + @command((Key(Hash), bytes), (bytes,)) + def hdel(self, key, *fields): + h = key.value + rem = 0 + for field in fields: + if field in h: + del h[field] + key.updated() + rem += 1 + return rem + + @command((Key(Hash), bytes)) + def hexists(self, key, field): + return int(field in key.value) + + @command((Key(Hash), bytes)) + def hget(self, key, field): + return key.value.get(field) + + @command((Key(Hash),)) + def hgetall(self, key): + return list(itertools.chain(*key.value.items())) + + @command((Key(Hash), bytes, Int)) + def hincrby(self, key, field, amount): + c = Int.decode(key.value.get(field, b'0')) + amount + key.value[field] = Int.encode(c) + key.updated() + return c + + @command((Key(Hash), bytes, bytes)) + def hincrbyfloat(self, key, field, amount): + c = Float.decode(key.value.get(field, b'0')) + Float.decode(amount) + if not math.isfinite(c): + raise SimpleError(NONFINITE_MSG) + encoded = Float.encode(c, True) + key.value[field] = encoded + key.updated() + return encoded + + @command((Key(Hash),)) + def hkeys(self, key): + return list(key.value.keys()) + + @command((Key(Hash),)) + def hlen(self, key): + return len(key.value) + + @command((Key(Hash), bytes), (bytes,)) + def hmget(self, key, *fields): + return [key.value.get(field) for field in fields] + + @command((Key(Hash), bytes, bytes), (bytes, bytes)) + def hmset(self, key, *args): + self.hset(key, *args) + return OK + + @command((Key(Hash), Int,), (bytes, bytes)) + def hscan(self, key, cursor, *args): + cursor, keys = self._scan(key.value, cursor, *args) + items = [] + for k in keys: + items.append(k) + items.append(key.value[k]) + return [cursor, items] + + @command((Key(Hash), bytes, bytes), (bytes, bytes)) + def hset(self, key, *args): + h = key.value + created = 0 + for i in range(0, len(args), 2): + if args[i] not in h: + created += 1 + h[args[i]] = args[i + 1] + key.updated() + return created + + @command((Key(Hash), bytes, bytes)) + def hsetnx(self, key, field, value): + if field in key.value: + return 0 + return self.hset(key, field, value) + + @command((Key(Hash), bytes)) + def hstrlen(self, key, field): + return len(key.value.get(field, b'')) + + @command((Key(Hash),)) + def hvals(self, key): + return list(key.value.values()) + + # List commands + + def _bpop_pass(self, keys, op, first_pass): + for key in keys: + item = CommandItem(key, self._db, item=self._db.get(key), default=[]) + if not isinstance(item.value, list): + if first_pass: + raise SimpleError(WRONGTYPE_MSG) + else: + continue + if item.value: + ret = op(item.value) + item.updated() + item.writeback() + return [key, ret] + return None + + def _bpop(self, args, op): + keys = args[:-1] + timeout = Timeout.decode(args[-1]) + return self._blocking(timeout, functools.partial(self._bpop_pass, keys, op)) + + @command((bytes, bytes), (bytes,), flags='s') + def blpop(self, *args): + return self._bpop(args, lambda lst: lst.pop(0)) + + @command((bytes, bytes), (bytes,), flags='s') + def brpop(self, *args): + return self._bpop(args, lambda lst: lst.pop()) + + def _brpoplpush_pass(self, source, destination, first_pass): + src = CommandItem(source, self._db, item=self._db.get(source), default=[]) + if not isinstance(src.value, list): + if first_pass: + raise SimpleError(WRONGTYPE_MSG) + else: + return None + if not src.value: + return None # Empty list + dst = CommandItem(destination, self._db, item=self._db.get(destination), default=[]) + if not isinstance(dst.value, list): + raise SimpleError(WRONGTYPE_MSG) + el = src.value.pop() + dst.value.insert(0, el) + src.updated() + src.writeback() + if destination != source: + # Ensure writeback only happens once + dst.updated() + dst.writeback() + return el + + @command((bytes, bytes, Timeout), flags='s') + def brpoplpush(self, source, destination, timeout): + return self._blocking(timeout, + functools.partial(self._brpoplpush_pass, source, destination)) + + @command((Key(list, None), Int)) + def lindex(self, key, index): + try: + return key.value[index] + except IndexError: + return None + + @command((Key(list), bytes, bytes, bytes)) + def linsert(self, key, where, pivot, value): + if not casematch(where, b'before') and not casematch(where, b'after'): + raise SimpleError(SYNTAX_ERROR_MSG) + if not key: + return 0 + else: + try: + index = key.value.index(pivot) + except ValueError: + return -1 + if casematch(where, b'after'): + index += 1 + key.value.insert(index, value) + key.updated() + return len(key.value) + + @command((Key(list),)) + def llen(self, key): + return len(key.value) + + @command((Key(list),)) + def lpop(self, key): + try: + ret = key.value.pop(0) + key.updated() + return ret + except IndexError: + return None + + @command((Key(list), bytes), (bytes,)) + def lpush(self, key, *values): + for value in values: + key.value.insert(0, value) + key.updated() + return len(key.value) + + @command((Key(list), bytes), (bytes,)) + def lpushx(self, key, *values): + if not key: + return 0 + return self.lpush(key, *values) + + @command((Key(list), Int, Int)) + def lrange(self, key, start, stop): + start, stop = self._fix_range(start, stop, len(key.value)) + return key.value[start:stop] + + @command((Key(list), Int, bytes)) + def lrem(self, key, count, value): + a_list = key.value + found = [] + for i, el in enumerate(a_list): + if el == value: + found.append(i) + if count > 0: + indices_to_remove = found[:count] + elif count < 0: + indices_to_remove = found[count:] + else: + indices_to_remove = found + # Iterating in reverse order to ensure the indices + # remain valid during deletion. + for index in reversed(indices_to_remove): + del a_list[index] + if indices_to_remove: + key.updated() + return len(indices_to_remove) + + @command((Key(list), Int, bytes)) + def lset(self, key, index, value): + if not key: + raise SimpleError(NO_KEY_MSG) + try: + key.value[index] = value + key.updated() + except IndexError: + raise SimpleError(INDEX_ERROR_MSG) + return OK + + @command((Key(list), Int, Int)) + def ltrim(self, key, start, stop): + if key: + if stop == -1: + stop = None + else: + stop += 1 + new_value = key.value[start:stop] + # TODO: check if this should actually be conditional + if len(new_value) != len(key.value): + key.update(new_value) + return OK + + @command((Key(list),)) + def rpop(self, key): + try: + ret = key.value.pop() + key.updated() + return ret + except IndexError: + return None + + @command((Key(list, None), Key(list))) + def rpoplpush(self, src, dst): + el = self.rpop(src) + self.lpush(dst, el) + return el + + @command((Key(list), bytes), (bytes,)) + def rpush(self, key, *values): + for value in values: + key.value.append(value) + key.updated() + return len(key.value) + + @command((Key(list), bytes), (bytes,)) + def rpushx(self, key, *values): + if not key: + return 0 + return self.rpush(key, *values) + + # Set commands + + @command((Key(set), bytes), (bytes,)) + def sadd(self, key, *members): + old_size = len(key.value) + key.value.update(members) + key.updated() + return len(key.value) - old_size + + @command((Key(set),)) + def scard(self, key): + return len(key.value) + + def _calc_setop(self, op, stop_if_missing, key, *keys): + if stop_if_missing and not key.value: + return set() + ans = key.value.copy() + for other in keys: + value = other.value if other.value is not None else set() + if not isinstance(value, set): + raise SimpleError(WRONGTYPE_MSG) + if stop_if_missing and not value: + return set() + ans = op(ans, value) + return ans + + def _setop(self, op, stop_if_missing, dst, key, *keys): + """Apply one of SINTER[STORE], SUNION[STORE], SDIFF[STORE]. + + If `stop_if_missing`, the output will be made an empty set as soon as + an empty input set is encountered (use for SINTER[STORE]). May assume + that `key` is a set (or empty), but `keys` could be anything. + """ + ans = self._calc_setop(op, stop_if_missing, key, *keys) + if dst is None: + return list(ans) + else: + dst.value = ans + return len(dst.value) + + @command((Key(set),), (Key(set),)) + def sdiff(self, *keys): + return self._setop(lambda a, b: a - b, False, None, *keys) + + @command((Key(), Key(set)), (Key(set),)) + def sdiffstore(self, dst, *keys): + return self._setop(lambda a, b: a - b, False, dst, *keys) + + # The following keys can't be marked as sets because of the + # stop_if_empty early-out. + @command((Key(set),), (Key(),)) + def sinter(self, *keys): + return self._setop(lambda a, b: a & b, True, None, *keys) + + @command((Key(), Key(set)), (Key(),)) + def sinterstore(self, dst, *keys): + return self._setop(lambda a, b: a & b, True, dst, *keys) + + @command((Key(set), bytes)) + def sismember(self, key, member): + return int(member in key.value) + + @command((Key(set),)) + def smembers(self, key): + return list(key.value) + + @command((Key(set, 0), Key(set), bytes)) + def smove(self, src, dst, member): + try: + src.value.remove(member) + src.updated() + except KeyError: + return 0 + else: + dst.value.add(member) + dst.updated() # TODO: is it updated if member was already present? + return 1 + + @command((Key(set),), (Int,)) + def spop(self, key, count=None): + if count is None: + if not key.value: + return None + item = random.sample(key.value, 1)[0] + key.value.remove(item) + key.updated() + return item + else: + if count < 0: + raise SimpleError(INDEX_ERROR_MSG) + items = self.srandmember(key, count) + for item in items: + key.value.remove(item) + key.updated() # Inside the loop because redis special-cases count=0 + return items + + @command((Key(set),), (Int,)) + def srandmember(self, key, count=None): + if count is None: + if not key.value: + return None + else: + return random.sample(key.value, 1)[0] + elif count >= 0: + count = min(count, len(key.value)) + return random.sample(key.value, count) + else: + items = list(key.value) + return [random.choice(items) for _ in range(-count)] + + @command((Key(set), bytes), (bytes,)) + def srem(self, key, *members): + old_size = len(key.value) + for member in members: + key.value.discard(member) + deleted = old_size - len(key.value) + if deleted: + key.updated() + return deleted + + @command((Key(set), Int), (bytes, bytes)) + def sscan(self, key, cursor, *args): + return self._scan(key.value, cursor, *args) + + @command((Key(set),), (Key(set),)) + def sunion(self, *keys): + return self._setop(lambda a, b: a | b, False, None, *keys) + + @command((Key(), Key(set)), (Key(set),)) + def sunionstore(self, dst, *keys): + return self._setop(lambda a, b: a | b, False, dst, *keys) + + # Hyperloglog commands + # These are not quite the same as the real redis ones, which are + # approximate and store the results in a string. Instead, it is implemented + # on top of sets. + + @command((Key(set),), (bytes,)) + def pfadd(self, key, *elements): + result = self.sadd(key, *elements) + # Per the documentation: + # - 1 if at least 1 HyperLogLog internal register was altered. 0 otherwise. + return 1 if result > 0 else 0 + + @command((Key(set),), (Key(set),)) + def pfcount(self, *keys): + """ + Return the approximated cardinality of + the set observed by the HyperLogLog at key(s). + """ + return len(self.sunion(*keys)) + + @command((Key(set), Key(set)), (Key(set),)) + def pfmerge(self, dest, *sources): + "Merge N different HyperLogLogs into a single one." + self.sunionstore(dest, *sources) + return OK + + # Sorted set commands + # TODO: [b]zpopmin/zpopmax, + + @staticmethod + def _limit_items(items, offset, count): + out = [] + for item in items: + if offset: # Note: not offset > 0, in order to match redis + offset -= 1 + continue + if count == 0: + break + count -= 1 + out.append(item) + return out + + @staticmethod + def _apply_withscores(items, withscores): + if withscores: + out = [] + for item in items: + out.append(item[1]) + out.append(Float.encode(item[0], False)) + else: + out = [item[1] for item in items] + return out + + @command((Key(ZSet), bytes, bytes), (bytes,)) + def zadd(self, key, *args): + zset = key.value + + i = 0 + ch = False + nx = False + xx = False + incr = False + while i < len(args): + if casematch(args[i], b'ch'): + ch = True + i += 1 + elif casematch(args[i], b'nx'): + nx = True + i += 1 + elif casematch(args[i], b'xx'): + xx = True + i += 1 + elif casematch(args[i], b'incr'): + incr = True + i += 1 + else: + # First argument not matching flags indicates the start of + # score pairs. + break + + if nx and xx: + raise SimpleError(ZADD_NX_XX_ERROR_MSG) + + elements = args[i:] + if not elements or len(elements) % 2 != 0: + raise SimpleError(SYNTAX_ERROR_MSG) + if incr and len(elements) != 2: + raise SimpleError(ZADD_INCR_LEN_ERROR_MSG) + # Parse all scores first, before updating + items = [ + (Float.decode(elements[j]), elements[j + 1]) + for j in range(0, len(elements), 2) + ] + old_len = len(zset) + changed_items = 0 + + if incr: + item_score, item_name = items[0] + if (nx and item_name in zset) or (xx and item_name not in zset): + return None + return self.zincrby(key, item_score, item_name) + + for item_score, item_name in items: + if ( + (not nx or item_name not in zset) + and (not xx or item_name in zset) + ): + if zset.add(item_name, item_score): + changed_items += 1 + + if changed_items: + key.updated() + + if ch: + return changed_items + return len(zset) - old_len + + @command((Key(ZSet),)) + def zcard(self, key): + return len(key.value) + + @command((Key(ZSet), ScoreTest, ScoreTest)) + def zcount(self, key, min, max): + return key.value.zcount(min.lower_bound, max.upper_bound) + + @command((Key(ZSet), Float, bytes)) + def zincrby(self, key, increment, member): + # Can't just default the old score to 0.0, because in IEEE754, adding + # 0.0 to something isn't a nop (e.g. 0.0 + -0.0 == 0.0). + try: + score = key.value.get(member, None) + increment + except TypeError: + score = increment + if math.isnan(score): + raise SimpleError(SCORE_NAN_MSG) + key.value[member] = score + key.updated() + return Float.encode(score, False) + + @command((Key(ZSet), StringTest, StringTest)) + def zlexcount(self, key, min, max): + return key.value.zlexcount(min.value, min.exclusive, max.value, max.exclusive) + + def _zrange(self, key, start, stop, reverse, *args): + zset = key.value + # TODO: does redis allow multiple WITHSCORES? + if len(args) > 1 or (args and not casematch(args[0], b'withscores')): + raise SimpleError(SYNTAX_ERROR_MSG) + start, stop = self._fix_range(start, stop, len(zset)) + if reverse: + start, stop = len(zset) - stop, len(zset) - start + items = zset.islice_score(start, stop, reverse) + items = self._apply_withscores(items, bool(args)) + return items + + @command((Key(ZSet), Int, Int), (bytes,)) + def zrange(self, key, start, stop, *args): + return self._zrange(key, start, stop, False, *args) + + @command((Key(ZSet), Int, Int), (bytes,)) + def zrevrange(self, key, start, stop, *args): + return self._zrange(key, start, stop, True, *args) + + def _zrangebylex(self, key, min, max, reverse, *args): + if args: + if len(args) != 3 or not casematch(args[0], b'limit'): + raise SimpleError(SYNTAX_ERROR_MSG) + offset = Int.decode(args[1]) + count = Int.decode(args[2]) + else: + offset = 0 + count = -1 + zset = key.value + items = zset.irange_lex(min.value, max.value, + inclusive=(not min.exclusive, not max.exclusive), + reverse=reverse) + items = self._limit_items(items, offset, count) + return items + + @command((Key(ZSet), StringTest, StringTest), (bytes,)) + def zrangebylex(self, key, min, max, *args): + return self._zrangebylex(key, min, max, False, *args) + + @command((Key(ZSet), StringTest, StringTest), (bytes,)) + def zrevrangebylex(self, key, max, min, *args): + return self._zrangebylex(key, min, max, True, *args) + + def _zrangebyscore(self, key, min, max, reverse, *args): + withscores = False + offset = 0 + count = -1 + i = 0 + while i < len(args): + if casematch(args[i], b'withscores'): + withscores = True + i += 1 + elif casematch(args[i], b'limit') and i + 2 < len(args): + offset = Int.decode(args[i + 1]) + count = Int.decode(args[i + 2]) + i += 3 + else: + raise SimpleError(SYNTAX_ERROR_MSG) + zset = key.value + items = list(zset.irange_score(min.lower_bound, max.upper_bound, reverse=reverse)) + items = self._limit_items(items, offset, count) + items = self._apply_withscores(items, withscores) + return items + + @command((Key(ZSet), ScoreTest, ScoreTest), (bytes,)) + def zrangebyscore(self, key, min, max, *args): + return self._zrangebyscore(key, min, max, False, *args) + + @command((Key(ZSet), ScoreTest, ScoreTest), (bytes,)) + def zrevrangebyscore(self, key, max, min, *args): + return self._zrangebyscore(key, min, max, True, *args) + + @command((Key(ZSet), bytes)) + def zrank(self, key, member): + try: + return key.value.rank(member) + except KeyError: + return None + + @command((Key(ZSet), bytes)) + def zrevrank(self, key, member): + try: + return len(key.value) - 1 - key.value.rank(member) + except KeyError: + return None + + @command((Key(ZSet), bytes), (bytes,)) + def zrem(self, key, *members): + old_size = len(key.value) + for member in members: + key.value.discard(member) + deleted = old_size - len(key.value) + if deleted: + key.updated() + return deleted + + @command((Key(ZSet), StringTest, StringTest)) + def zremrangebylex(self, key, min, max): + items = key.value.irange_lex(min.value, max.value, + inclusive=(not min.exclusive, not max.exclusive)) + return self.zrem(key, *items) + + @command((Key(ZSet), ScoreTest, ScoreTest)) + def zremrangebyscore(self, key, min, max): + items = key.value.irange_score(min.lower_bound, max.upper_bound) + return self.zrem(key, *[item[1] for item in items]) + + @command((Key(ZSet), Int, Int)) + def zremrangebyrank(self, key, start, stop): + zset = key.value + start, stop = self._fix_range(start, stop, len(zset)) + items = zset.islice_score(start, stop) + return self.zrem(key, *[item[1] for item in items]) + + @command((Key(ZSet), Int), (bytes, bytes)) + def zscan(self, key, cursor, *args): + new_cursor, ans = self._scan(key.value.items(), cursor, *args) + flat = [] + for (key, score) in ans: + flat.append(key) + flat.append(Float.encode(score, False)) + return [new_cursor, flat] + + @command((Key(ZSet), bytes)) + def zscore(self, key, member): + try: + return Float.encode(key.value[member], False) + except KeyError: + return None + + @staticmethod + def _get_zset(value): + if isinstance(value, set): + zset = ZSet() + for item in value: + zset[item] = 1.0 + return zset + elif isinstance(value, ZSet): + return value + else: + raise SimpleError(WRONGTYPE_MSG) + + def _zunioninter(self, func, dest, numkeys, *args): + if numkeys < 1: + raise SimpleError(ZUNIONSTORE_KEYS_MSG) + if numkeys > len(args): + raise SimpleError(SYNTAX_ERROR_MSG) + aggregate = b'sum' + sets = [] + for i in range(numkeys): + item = CommandItem(args[i], self._db, item=self._db.get(args[i]), default=ZSet()) + sets.append(self._get_zset(item.value)) + weights = [1.0] * numkeys + + i = numkeys + while i < len(args): + arg = args[i] + if casematch(arg, b'weights') and i + numkeys < len(args): + weights = [Float.decode(x) for x in args[i + 1:i + numkeys + 1]] + i += numkeys + 1 + elif casematch(arg, b'aggregate') and i + 1 < len(args): + aggregate = casenorm(args[i + 1]) + if aggregate not in (b'sum', b'min', b'max'): + raise SimpleError(SYNTAX_ERROR_MSG) + i += 2 + else: + raise SimpleError(SYNTAX_ERROR_MSG) + + out_members = set(sets[0]) + for s in sets[1:]: + if func == 'ZUNIONSTORE': + out_members |= set(s) + else: + out_members.intersection_update(s) + + # We first build a regular dict and turn it into a ZSet. The + # reason is subtle: a ZSet won't update a score from -0 to +0 + # (or vice versa) through assignment, but a regular dict will. + out = {} + # The sort affects the order of floating-point operations. + # Note that redis uses qsort(1), which has no stability guarantees, + # so we can't be sure to match it in all cases. + for s, w in sorted(zip(sets, weights), key=lambda x: len(x[0])): + for member, score in s.items(): + score *= w + # Redis only does this step for ZUNIONSTORE. See + # https://github.com/antirez/redis/issues/3954. + if func == 'ZUNIONSTORE' and math.isnan(score): + score = 0.0 + if member not in out_members: + continue + if member in out: + old = out[member] + if aggregate == b'sum': + score += old + if math.isnan(score): + score = 0.0 + elif aggregate == b'max': + score = max(old, score) + elif aggregate == b'min': + score = min(old, score) + else: + assert False # pragma: nocover + if math.isnan(score): + score = 0.0 + out[member] = score + + out_zset = ZSet() + for member, score in out.items(): + out_zset[member] = score + + dest.value = out_zset + return len(out_zset) + + @command((Key(), Int, bytes), (bytes,)) + def zunionstore(self, dest, numkeys, *args): + return self._zunioninter('ZUNIONSTORE', dest, numkeys, *args) + + @command((Key(), Int, bytes), (bytes,)) + def zinterstore(self, dest, numkeys, *args): + return self._zunioninter('ZINTERSTORE', dest, numkeys, *args) + + # Server commands + # TODO: lots + + @command((), flags='s') + def bgsave(self): + self._server.lastsave = int(time.time()) + return BGSAVE_STARTED + + @command(()) + def dbsize(self): + return len(self._db) + + @command((), (bytes,)) + def flushdb(self, *args): + if args: + if len(args) != 1 or not casematch(args[0], b'async'): + raise SimpleError(SYNTAX_ERROR_MSG) + self._db.clear() + return OK + + @command((), (bytes,)) + def flushall(self, *args): + if args: + if len(args) != 1 or not casematch(args[0], b'async'): + raise SimpleError(SYNTAX_ERROR_MSG) + for db in self._server.dbs.values(): + db.clear() + # TODO: clear watches and/or pubsub as well? + return OK + + @command(()) + def lastsave(self): + return self._server.lastsave + + @command((), flags='s') + def save(self): + self._server.lastsave = int(time.time()) + return OK + + @command(()) + def time(self): + now_us = round(time.time() * 1000000) + now_s = now_us // 1000000 + now_us %= 1000000 + return [str(now_s).encode(), str(now_us).encode()] + + # Script commands + # script debug and script kill will probably not be supported + + def _convert_redis_arg(self, lua_runtime, value): + # Type checks are exact to avoid issues like bool being a subclass of int. + if type(value) is bytes: + return value + elif type(value) in {int, float}: + return '{:.17g}'.format(value).encode() + else: + # TODO: add the context + raise SimpleError(LUA_COMMAND_ARG_MSG) + + def _convert_redis_result(self, lua_runtime, result): + if isinstance(result, (bytes, int)): + return result + elif isinstance(result, SimpleString): + return lua_runtime.table_from({b"ok": result.value}) + elif result is None: + return False + elif isinstance(result, list): + converted = [ + self._convert_redis_result(lua_runtime, item) + for item in result + ] + return lua_runtime.table_from(converted) + elif isinstance(result, SimpleError): + raise result + else: + raise RuntimeError("Unexpected return type from redis: {}".format(type(result))) + + def _convert_lua_result(self, result, nested=True): + from lupa import lua_type + if lua_type(result) == 'table': + for key in (b'ok', b'err'): + if key in result: + msg = self._convert_lua_result(result[key]) + if not isinstance(msg, bytes): + raise SimpleError(LUA_WRONG_NUMBER_ARGS_MSG) + if key == b'ok': + return SimpleString(msg) + elif nested: + return SimpleError(msg.decode('utf-8', 'replace')) + else: + raise SimpleError(msg.decode('utf-8', 'replace')) + # Convert Lua tables into lists, starting from index 1, mimicking the behavior of StrictRedis. + result_list = [] + for index in itertools.count(1): + if index not in result: + break + item = result[index] + result_list.append(self._convert_lua_result(item)) + return result_list + elif isinstance(result, str): + return result.encode() + elif isinstance(result, float): + return int(result) + elif isinstance(result, bool): + return 1 if result else None + return result + + def _check_for_lua_globals(self, lua_runtime, expected_globals): + actual_globals = set(lua_runtime.globals().keys()) + if actual_globals != expected_globals: + unexpected = [six.ensure_str(var, 'utf-8', 'replace') + for var in actual_globals - expected_globals] + raise SimpleError(GLOBAL_VARIABLE_MSG.format(", ".join(unexpected))) + + def _lua_redis_call(self, lua_runtime, expected_globals, op, *args): + # Check if we've set any global variables before making any change. + self._check_for_lua_globals(lua_runtime, expected_globals) + func, func_name = self._name_to_func(op) + args = [self._convert_redis_arg(lua_runtime, arg) for arg in args] + result = self._run_command(func, func._fakeredis_sig, args, True) + return self._convert_redis_result(lua_runtime, result) + + def _lua_redis_pcall(self, lua_runtime, expected_globals, op, *args): + try: + return self._lua_redis_call(lua_runtime, expected_globals, op, *args) + except Exception as ex: + return lua_runtime.table_from({b"err": str(ex)}) + + def _lua_redis_log(self, lua_runtime, expected_globals, lvl, *args): + self._check_for_lua_globals(lua_runtime, expected_globals) + if len(args) < 1: + raise SimpleError(REQUIRES_MORE_ARGS_MSG.format("redis.log()", "two")) + if lvl not in REDIS_LOG_LEVELS.values(): + raise SimpleError(LOG_INVALID_DEBUG_LEVEL_MSG) + msg = ' '.join([x.decode('utf-8') + if isinstance(x, bytes) else str(x) + for x in args if not isinstance(x, bool)]) + LOGGER.log(REDIS_LOG_LEVELS_TO_LOGGING[lvl], msg) + + @command((bytes, Int), (bytes,), flags='s') + def eval(self, script, numkeys, *keys_and_args): + from lupa import LuaRuntime, LuaError, as_attrgetter + + if numkeys > len(keys_and_args): + raise SimpleError(TOO_MANY_KEYS_MSG) + if numkeys < 0: + raise SimpleError(NEGATIVE_KEYS_MSG) + sha1 = hashlib.sha1(script).hexdigest().encode() + self._server.script_cache[sha1] = script + lua_runtime = LuaRuntime(encoding=None, unpack_returned_tuples=True) + + set_globals = lua_runtime.eval( + """ + function(keys, argv, redis_call, redis_pcall, redis_log, redis_log_levels) + redis = {} + redis.call = redis_call + redis.pcall = redis_pcall + redis.log = redis_log + for level, pylevel in python.iterex(redis_log_levels.items()) do + redis[level] = pylevel + end + redis.error_reply = function(msg) return {err=msg} end + redis.status_reply = function(msg) return {ok=msg} end + KEYS = keys + ARGV = argv + end + """ + ) + expected_globals = set() + set_globals( + lua_runtime.table_from(keys_and_args[:numkeys]), + lua_runtime.table_from(keys_and_args[numkeys:]), + functools.partial(self._lua_redis_call, lua_runtime, expected_globals), + functools.partial(self._lua_redis_pcall, lua_runtime, expected_globals), + functools.partial(self._lua_redis_log, lua_runtime, expected_globals), + as_attrgetter(REDIS_LOG_LEVELS) + ) + expected_globals.update(lua_runtime.globals().keys()) + + try: + result = lua_runtime.execute(script) + except (LuaError, SimpleError) as ex: + raise SimpleError(SCRIPT_ERROR_MSG.format(sha1.decode(), ex)) + + self._check_for_lua_globals(lua_runtime, expected_globals) + + return self._convert_lua_result(result, nested=False) + + @command((bytes, Int), (bytes,), flags='s') + def evalsha(self, sha1, numkeys, *keys_and_args): + try: + script = self._server.script_cache[sha1] + except KeyError: + raise SimpleError(NO_MATCHING_SCRIPT_MSG) + return self.eval(script, numkeys, *keys_and_args) + + @command((bytes,), (bytes,), flags='s') + def script(self, subcmd, *args): + if casematch(subcmd, b'load'): + if len(args) != 1: + raise SimpleError(BAD_SUBCOMMAND_MSG.format('SCRIPT')) + script = args[0] + sha1 = hashlib.sha1(script).hexdigest().encode() + self._server.script_cache[sha1] = script + return sha1 + elif casematch(subcmd, b'exists'): + return [int(sha1 in self._server.script_cache) for sha1 in args] + elif casematch(subcmd, b'flush'): + if len(args) != 0: + raise SimpleError(BAD_SUBCOMMAND_MSG.format('SCRIPT')) + self._server.script_cache = {} + return OK + else: + raise SimpleError(BAD_SUBCOMMAND_MSG.format('SCRIPT')) + + # Pubsub commands + # TODO: pubsub command + + def _subscribe(self, channels, subscribers, mtype): + for channel in channels: + subs = subscribers[channel] + if self not in subs: + subs.add(self) + self._pubsub += 1 + msg = [mtype, channel, self._pubsub] + self.put_response(msg) + return NoResponse() + + def _unsubscribe(self, channels, subscribers, mtype): + if not channels: + channels = [] + for (channel, subs) in subscribers.items(): + if self in subs: + channels.append(channel) + for channel in channels: + subs = subscribers.get(channel, set()) + if self in subs: + subs.remove(self) + if not subs: + del subscribers[channel] + self._pubsub -= 1 + msg = [mtype, channel, self._pubsub] + self.put_response(msg) + return NoResponse() + + @command((bytes,), (bytes,), flags='s') + def psubscribe(self, *patterns): + return self._subscribe(patterns, self._server.psubscribers, b'psubscribe') + + @command((bytes,), (bytes,), flags='s') + def subscribe(self, *channels): + return self._subscribe(channels, self._server.subscribers, b'subscribe') + + @command((), (bytes,), flags='s') + def punsubscribe(self, *patterns): + return self._unsubscribe(patterns, self._server.psubscribers, b'punsubscribe') + + @command((), (bytes,), flags='s') + def unsubscribe(self, *channels): + return self._unsubscribe(channels, self._server.subscribers, b'unsubscribe') + + @command((bytes, bytes)) + def publish(self, channel, message): + receivers = 0 + msg = [b'message', channel, message] + subs = self._server.subscribers.get(channel, set()) + for sock in subs: + sock.put_response(msg) + receivers += 1 + for (pattern, socks) in self._server.psubscribers.items(): + regex = compile_pattern(pattern) + if regex.match(channel): + msg = [b'pmessage', pattern, channel, message] + for sock in socks: + sock.put_response(msg) + receivers += 1 + return receivers + + +setattr(FakeSocket, 'del', FakeSocket.del_) +delattr(FakeSocket, 'del_') +setattr(FakeSocket, 'set', FakeSocket.set_) +delattr(FakeSocket, 'set_') +setattr(FakeSocket, 'exec', FakeSocket.exec_) +delattr(FakeSocket, 'exec_') + + +class _DummyParser: + def __init__(self, socket_read_size): + self.socket_read_size = socket_read_size + + def on_disconnect(self): + pass + + def on_connect(self, connection): + pass + + +# Redis <3.2 will not have a selector +try: + from redis.selector import BaseSelector +except ImportError: + class BaseSelector: + def __init__(self, sock): + self.sock = sock + + +class FakeSelector(BaseSelector): + def check_can_read(self, timeout): + if self.sock.responses.qsize(): + return True + if timeout is not None and timeout <= 0: + return False + + # A sleep/poll loop is easier to mock out than messing with condition + # variables. + start = time.time() + while True: + if self.sock.responses.qsize(): + return True + time.sleep(0.01) + now = time.time() + if timeout is not None and now > start + timeout: + return False + + def check_is_ready_for_command(self, timeout): + return True + + +class FakeConnection(redis.Connection): + description_format = "FakeConnection" + + def __init__(self, *args, **kwargs): + self._server = kwargs.pop('server') + super().__init__(*args, **kwargs) + + def connect(self): + super().connect() + # The selector is set in redis.Connection.connect() after _connect() is called + self._selector = FakeSelector(self._sock) + + def _connect(self): + if not self._server.connected: + raise redis.ConnectionError(CONNECTION_ERROR_MSG) + return FakeSocket(self._server) + + def can_read(self, timeout=0): + if not self._server.connected: + return True + if not self._sock: + self.connect() + # We use check_can_read rather than can_read, because on redis-py<3.2, + # FakeSelector inherits from a stub BaseSelector which doesn't + # implement can_read. Normally can_read provides retries on EINTR, + # but that's not necessary for the implementation of + # FakeSelector.check_can_read. + return self._selector.check_can_read(timeout) + + def _decode(self, response): + if isinstance(response, list): + return [self._decode(item) for item in response] + elif isinstance(response, bytes): + return self.encoder.decode(response) + else: + return response + + def read_response(self): + if not self._server.connected: + try: + response = self._sock.responses.get_nowait() + except queue.Empty: + raise redis.ConnectionError(CONNECTION_ERROR_MSG) + else: + response = self._sock.responses.get() + if isinstance(response, redis.ResponseError): + raise response + return self._decode(response) + + def repr_pieces(self): + pieces = [ + ('server', self._server), + ('db', self.db) + ] + if self.client_name: + pieces.append(('client_name', self.client_name)) + return pieces + + +class FakeRedisMixin: + def __init__(self, host='localhost', port=6379, + db=0, password=None, socket_timeout=None, + socket_connect_timeout=None, + socket_keepalive=None, socket_keepalive_options=None, + connection_pool=None, unix_socket_path=None, + encoding='utf-8', encoding_errors='strict', + charset=None, errors=None, + decode_responses=False, retry_on_timeout=False, + ssl=False, ssl_keyfile=None, ssl_certfile=None, + ssl_cert_reqs=None, ssl_ca_certs=None, + max_connections=None, server=None, + connected=True): + if not connection_pool: + # Adapted from redis-py + if charset is not None: + warnings.warn(DeprecationWarning( + '"charset" is deprecated. Use "encoding" instead')) + encoding = charset + if errors is not None: + warnings.warn(DeprecationWarning( + '"errors" is deprecated. Use "encoding_errors" instead')) + encoding_errors = errors + + if server is None: + server = FakeServer() + server.connected = connected + kwargs = { + 'db': db, + 'password': password, + 'encoding': encoding, + 'encoding_errors': encoding_errors, + 'decode_responses': decode_responses, + 'max_connections': max_connections, + 'connection_class': FakeConnection, + 'server': server + } + connection_pool = redis.connection.ConnectionPool(**kwargs) + # These need to be passed by name due to + # https://github.com/andymccurdy/redis-py/issues/1276 + super().__init__( + host=host, port=port, db=db, password=password, socket_timeout=socket_timeout, + socket_connect_timeout=socket_connect_timeout, + socket_keepalive=socket_keepalive, + socket_keepalive_options=socket_keepalive_options, + connection_pool=connection_pool, + unix_socket_path=unix_socket_path, + encoding=encoding, encoding_errors=encoding_errors, + charset=charset, errors=errors, + decode_responses=decode_responses, retry_on_timeout=retry_on_timeout, + ssl=ssl, ssl_keyfile=ssl_keyfile, ssl_certfile=ssl_certfile, + ssl_cert_reqs=ssl_cert_reqs, ssl_ca_certs=ssl_ca_certs, + max_connections=max_connections) + + @classmethod + def from_url(cls, url, db=None, **kwargs): + server = kwargs.pop('server', None) + if server is None: + server = FakeServer() + self = super().from_url(url, db, **kwargs) + # Now override how it creates connections + pool = self.connection_pool + pool.connection_class = FakeConnection + pool.connection_kwargs['server'] = server + return self + + +class FakeStrictRedis(FakeRedisMixin, redis.StrictRedis): + pass + + +class FakeRedis(FakeRedisMixin, redis.Redis): + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/_zset.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_zset.py new file mode 100644 index 0000000..47d1169 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/_zset.py @@ -0,0 +1,87 @@ +import sortedcontainers + + +class ZSet: + def __init__(self): + self._bylex = {} # Maps value to score + self._byscore = sortedcontainers.SortedList() + + def __contains__(self, value): + return value in self._bylex + + def add(self, value, score): + """Update the item and return whether it modified the zset""" + old_score = self._bylex.get(value, None) + if old_score is not None: + if score == old_score: + return False + self._byscore.remove((old_score, value)) + self._bylex[value] = score + self._byscore.add((score, value)) + return True + + def __setitem__(self, value, score): + self.add(value, score) + + def __getitem__(self, key): + return self._bylex[key] + + def get(self, key, default=None): + return self._bylex.get(key, default) + + def __len__(self): + return len(self._bylex) + + def __iter__(self): + def gen(): + for score, value in self._byscore: + yield value + + return gen() + + def discard(self, key): + try: + score = self._bylex.pop(key) + except KeyError: + return + else: + self._byscore.remove((score, key)) + + def zcount(self, min_, max_): + pos1 = self._byscore.bisect_left(min_) + pos2 = self._byscore.bisect_left(max_) + return max(0, pos2 - pos1) + + def zlexcount(self, min_value, min_exclusive, max_value, max_exclusive): + if not self._byscore: + return 0 + score = self._byscore[0][0] + if min_exclusive: + pos1 = self._byscore.bisect_right((score, min_value)) + else: + pos1 = self._byscore.bisect_left((score, min_value)) + if max_exclusive: + pos2 = self._byscore.bisect_left((score, max_value)) + else: + pos2 = self._byscore.bisect_right((score, max_value)) + return max(0, pos2 - pos1) + + def islice_score(self, start, stop, reverse=False): + return self._byscore.islice(start, stop, reverse) + + def irange_lex(self, start, stop, inclusive=(True, True), reverse=False): + if not self._byscore: + return iter([]) + score = self._byscore[0][0] + it = self._byscore.irange((score, start), (score, stop), + inclusive=inclusive, reverse=reverse) + return (item[1] for item in it) + + def irange_score(self, start, stop, reverse=False): + return self._byscore.irange(start, stop, reverse=reverse) + + def rank(self, member): + return self._byscore.index((self._bylex[member], member)) + + def items(self): + return self._bylex.items() diff --git a/backend/mb-env/lib/python3.9/site-packages/fakeredis/aioredis.py b/backend/mb-env/lib/python3.9/site-packages/fakeredis/aioredis.py new file mode 100644 index 0000000..730da20 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fakeredis/aioredis.py @@ -0,0 +1,11 @@ +import distutils.version + +import aioredis + + +if aioredis.__version__ >= distutils.version.StrictVersion('2.0.0a1'): + from ._aioredis2 import FakeConnection, FakeRedis # noqa: F401 +else: + from ._aioredis1 import ( # noqa: F401 + FakeConnectionsPool, create_connection, create_redis, create_pool, create_redis_pool + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/LICENSE new file mode 100644 index 0000000..3e92463 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2018 Sebastián Ramírez + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/METADATA new file mode 100644 index 0000000..fc33459 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/METADATA @@ -0,0 +1,545 @@ +Metadata-Version: 2.1 +Name: fastapi +Version: 0.68.0 +Summary: FastAPI framework, high performance, easy to learn, fast to code, ready for production +Home-page: https://github.com/tiangolo/fastapi +Author: Sebastián Ramírez +Author-email: tiangolo@gmail.com +Requires-Python: >=3.6 +Description-Content-Type: text/markdown +Classifier: Intended Audience :: Information Technology +Classifier: Intended Audience :: System Administrators +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python +Classifier: Topic :: Internet +Classifier: Topic :: Software Development :: Libraries :: Application Frameworks +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Topic :: Software Development :: Libraries +Classifier: Topic :: Software Development +Classifier: Typing :: Typed +Classifier: Development Status :: 4 - Beta +Classifier: Environment :: Web Environment +Classifier: Framework :: AsyncIO +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Topic :: Internet :: WWW/HTTP :: HTTP Servers +Classifier: Topic :: Internet :: WWW/HTTP +Requires-Dist: starlette ==0.14.2 +Requires-Dist: pydantic >=1.6.2,!=1.7,!=1.7.1,!=1.7.2,!=1.7.3,!=1.8,!=1.8.1,<2.0.0 +Requires-Dist: requests >=2.24.0,<3.0.0 ; extra == "all" +Requires-Dist: aiofiles >=0.5.0,<0.6.0 ; extra == "all" +Requires-Dist: jinja2 >=2.11.2,<3.0.0 ; extra == "all" +Requires-Dist: python-multipart >=0.0.5,<0.0.6 ; extra == "all" +Requires-Dist: itsdangerous >=1.1.0,<2.0.0 ; extra == "all" +Requires-Dist: pyyaml >=5.3.1,<6.0.0 ; extra == "all" +Requires-Dist: graphene >=2.1.8,<3.0.0 ; extra == "all" +Requires-Dist: ujson >=4.0.1,<5.0.0 ; extra == "all" +Requires-Dist: orjson >=3.2.1,<4.0.0 ; extra == "all" +Requires-Dist: email_validator >=1.1.1,<2.0.0 ; extra == "all" +Requires-Dist: uvicorn[standard] >=0.12.0,<0.14.0 ; extra == "all" +Requires-Dist: async_exit_stack >=1.0.1,<2.0.0 ; extra == "all" +Requires-Dist: async_generator >=1.10,<2.0.0 ; extra == "all" +Requires-Dist: python-jose[cryptography] >=3.3.0,<4.0.0 ; extra == "dev" +Requires-Dist: passlib[bcrypt] >=1.7.2,<2.0.0 ; extra == "dev" +Requires-Dist: autoflake >=1.3.1,<2.0.0 ; extra == "dev" +Requires-Dist: flake8 >=3.8.3,<4.0.0 ; extra == "dev" +Requires-Dist: uvicorn[standard] >=0.12.0,<0.14.0 ; extra == "dev" +Requires-Dist: graphene >=2.1.8,<3.0.0 ; extra == "dev" +Requires-Dist: mkdocs >=1.1.2,<2.0.0 ; extra == "doc" +Requires-Dist: mkdocs-material >=7.1.9,<8.0.0 ; extra == "doc" +Requires-Dist: markdown-include >=0.6.0,<0.7.0 ; extra == "doc" +Requires-Dist: mkdocs-markdownextradata-plugin >=0.1.7,<0.2.0 ; extra == "doc" +Requires-Dist: typer-cli >=0.0.12,<0.0.13 ; extra == "doc" +Requires-Dist: pyyaml >=5.3.1,<6.0.0 ; extra == "doc" +Requires-Dist: pytest >=6.2.4,<7.0.0 ; extra == "test" +Requires-Dist: pytest-cov >=2.12.0,<3.0.0 ; extra == "test" +Requires-Dist: pytest-asyncio >=0.14.0,<0.15.0 ; extra == "test" +Requires-Dist: mypy ==0.812 ; extra == "test" +Requires-Dist: flake8 >=3.8.3,<4.0.0 ; extra == "test" +Requires-Dist: black ==20.8b1 ; extra == "test" +Requires-Dist: isort >=5.0.6,<6.0.0 ; extra == "test" +Requires-Dist: requests >=2.24.0,<3.0.0 ; extra == "test" +Requires-Dist: httpx >=0.14.0,<0.15.0 ; extra == "test" +Requires-Dist: email_validator >=1.1.1,<2.0.0 ; extra == "test" +Requires-Dist: sqlalchemy >=1.3.18,<1.4.0 ; extra == "test" +Requires-Dist: peewee >=3.13.3,<4.0.0 ; extra == "test" +Requires-Dist: databases[sqlite] >=0.3.2,<0.4.0 ; extra == "test" +Requires-Dist: orjson >=3.2.1,<4.0.0 ; extra == "test" +Requires-Dist: ujson >=4.0.1,<5.0.0 ; extra == "test" +Requires-Dist: async_exit_stack >=1.0.1,<2.0.0 ; extra == "test" +Requires-Dist: async_generator >=1.10,<2.0.0 ; extra == "test" +Requires-Dist: python-multipart >=0.0.5,<0.0.6 ; extra == "test" +Requires-Dist: aiofiles >=0.5.0,<0.6.0 ; extra == "test" +Requires-Dist: flask >=1.1.2,<2.0.0 ; extra == "test" +Project-URL: Documentation, https://fastapi.tiangolo.com/ +Provides-Extra: all +Provides-Extra: dev +Provides-Extra: doc +Provides-Extra: test + +

    + FastAPI +

    +

    + FastAPI framework, high performance, easy to learn, fast to code, ready for production +

    +

    + + Test + + + Coverage + + + Package version + +

    + +--- + +**Documentation**: https://fastapi.tiangolo.com + +**Source Code**: https://github.com/tiangolo/fastapi + +--- + +FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints. + +The key features are: + +* **Fast**: Very high performance, on par with **NodeJS** and **Go** (thanks to Starlette and Pydantic). [One of the fastest Python frameworks available](#performance). + +* **Fast to code**: Increase the speed to develop features by about 200% to 300%. * +* **Fewer bugs**: Reduce about 40% of human (developer) induced errors. * +* **Intuitive**: Great editor support. Completion everywhere. Less time debugging. +* **Easy**: Designed to be easy to use and learn. Less time reading docs. +* **Short**: Minimize code duplication. Multiple features from each parameter declaration. Fewer bugs. +* **Robust**: Get production-ready code. With automatic interactive documentation. +* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema. + +* estimation based on tests on an internal development team, building production applications. + +## Sponsors + + + + + + + + + + + +Other sponsors + +## Opinions + +"_[...] I'm using **FastAPI** a ton these days. [...] I'm actually planning to use it for all of my team's **ML services at Microsoft**. Some of them are getting integrated into the core **Windows** product and some **Office** products._" + +
    Kabir Khan - Microsoft (ref)
    + +--- + +"_We adopted the **FastAPI** library to spawn a **REST** server that can be queried to obtain **predictions**. [for Ludwig]_" + +
    Piero Molino, Yaroslav Dudin, and Sai Sumanth Miryala - Uber (ref)
    + +--- + +"_**Netflix** is pleased to announce the open-source release of our **crisis management** orchestration framework: **Dispatch**! [built with **FastAPI**]_" + +
    Kevin Glisson, Marc Vilanova, Forest Monsen - Netflix (ref)
    + +--- + +"_I’m over the moon excited about **FastAPI**. It’s so fun!_" + +
    Brian Okken - Python Bytes podcast host (ref)
    + +--- + +"_Honestly, what you've built looks super solid and polished. In many ways, it's what I wanted **Hug** to be - it's really inspiring to see someone build that._" + +
    Timothy Crosley - Hug creator (ref)
    + +--- + +"_If you're looking to learn one **modern framework** for building REST APIs, check out **FastAPI** [...] It's fast, easy to use and easy to learn [...]_" + +"_We've switched over to **FastAPI** for our **APIs** [...] I think you'll like it [...]_" + +
    Ines Montani - Matthew Honnibal - Explosion AI founders - spaCy creators (ref) - (ref)
    + +--- + +## **Typer**, the FastAPI of CLIs + + + +If you are building a CLI app to be used in the terminal instead of a web API, check out **Typer**. + +**Typer** is FastAPI's little sibling. And it's intended to be the **FastAPI of CLIs**. ⌨️ 🚀 + +## Requirements + +Python 3.6+ + +FastAPI stands on the shoulders of giants: + +* Starlette for the web parts. +* Pydantic for the data parts. + +## Installation + +
    + +```console +$ pip install fastapi + +---> 100% +``` + +
    + +You will also need an ASGI server, for production such as Uvicorn or Hypercorn. + +
    + +```console +$ pip install uvicorn[standard] + +---> 100% +``` + +
    + +## Example + +### Create it + +* Create a file `main.py` with: + +```Python +from typing import Optional + +from fastapi import FastAPI + +app = FastAPI() + + +@app.get("/") +def read_root(): + return {"Hello": "World"} + + +@app.get("/items/{item_id}") +def read_item(item_id: int, q: Optional[str] = None): + return {"item_id": item_id, "q": q} +``` + +
    +Or use async def... + +If your code uses `async` / `await`, use `async def`: + +```Python hl_lines="9 14" +from typing import Optional + +from fastapi import FastAPI + +app = FastAPI() + + +@app.get("/") +async def read_root(): + return {"Hello": "World"} + + +@app.get("/items/{item_id}") +async def read_item(item_id: int, q: Optional[str] = None): + return {"item_id": item_id, "q": q} +``` + +**Note**: + +If you don't know, check the _"In a hurry?"_ section about `async` and `await` in the docs. + +
    + +### Run it + +Run the server with: + +
    + +```console +$ uvicorn main:app --reload + +INFO: Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit) +INFO: Started reloader process [28720] +INFO: Started server process [28722] +INFO: Waiting for application startup. +INFO: Application startup complete. +``` + +
    + +
    +About the command uvicorn main:app --reload... + +The command `uvicorn main:app` refers to: + +* `main`: the file `main.py` (the Python "module"). +* `app`: the object created inside of `main.py` with the line `app = FastAPI()`. +* `--reload`: make the server restart after code changes. Only do this for development. + +
    + +### Check it + +Open your browser at http://127.0.0.1:8000/items/5?q=somequery. + +You will see the JSON response as: + +```JSON +{"item_id": 5, "q": "somequery"} +``` + +You already created an API that: + +* Receives HTTP requests in the _paths_ `/` and `/items/{item_id}`. +* Both _paths_ take `GET` operations (also known as HTTP _methods_). +* The _path_ `/items/{item_id}` has a _path parameter_ `item_id` that should be an `int`. +* The _path_ `/items/{item_id}` has an optional `str` _query parameter_ `q`. + +### Interactive API docs + +Now go to http://127.0.0.1:8000/docs. + +You will see the automatic interactive API documentation (provided by Swagger UI): + +![Swagger UI](https://fastapi.tiangolo.com/img/index/index-01-swagger-ui-simple.png) + +### Alternative API docs + +And now, go to http://127.0.0.1:8000/redoc. + +You will see the alternative automatic documentation (provided by ReDoc): + +![ReDoc](https://fastapi.tiangolo.com/img/index/index-02-redoc-simple.png) + +## Example upgrade + +Now modify the file `main.py` to receive a body from a `PUT` request. + +Declare the body using standard Python types, thanks to Pydantic. + +```Python hl_lines="4 9-12 25-27" +from typing import Optional + +from fastapi import FastAPI +from pydantic import BaseModel + +app = FastAPI() + + +class Item(BaseModel): + name: str + price: float + is_offer: Optional[bool] = None + + +@app.get("/") +def read_root(): + return {"Hello": "World"} + + +@app.get("/items/{item_id}") +def read_item(item_id: int, q: Optional[str] = None): + return {"item_id": item_id, "q": q} + + +@app.put("/items/{item_id}") +def update_item(item_id: int, item: Item): + return {"item_name": item.name, "item_id": item_id} +``` + +The server should reload automatically (because you added `--reload` to the `uvicorn` command above). + +### Interactive API docs upgrade + +Now go to http://127.0.0.1:8000/docs. + +* The interactive API documentation will be automatically updated, including the new body: + +![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png) + +* Click on the button "Try it out", it allows you to fill the parameters and directly interact with the API: + +![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png) + +* Then click on the "Execute" button, the user interface will communicate with your API, send the parameters, get the results and show them on the screen: + +![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-05-swagger-04.png) + +### Alternative API docs upgrade + +And now, go to http://127.0.0.1:8000/redoc. + +* The alternative documentation will also reflect the new query parameter and body: + +![ReDoc](https://fastapi.tiangolo.com/img/index/index-06-redoc-02.png) + +### Recap + +In summary, you declare **once** the types of parameters, body, etc. as function parameters. + +You do that with standard modern Python types. + +You don't have to learn a new syntax, the methods or classes of a specific library, etc. + +Just standard **Python 3.6+**. + +For example, for an `int`: + +```Python +item_id: int +``` + +or for a more complex `Item` model: + +```Python +item: Item +``` + +...and with that single declaration you get: + +* Editor support, including: + * Completion. + * Type checks. +* Validation of data: + * Automatic and clear errors when the data is invalid. + * Validation even for deeply nested JSON objects. +* Conversion of input data: coming from the network to Python data and types. Reading from: + * JSON. + * Path parameters. + * Query parameters. + * Cookies. + * Headers. + * Forms. + * Files. +* Conversion of output data: converting from Python data and types to network data (as JSON): + * Convert Python types (`str`, `int`, `float`, `bool`, `list`, etc). + * `datetime` objects. + * `UUID` objects. + * Database models. + * ...and many more. +* Automatic interactive API documentation, including 2 alternative user interfaces: + * Swagger UI. + * ReDoc. + +--- + +Coming back to the previous code example, **FastAPI** will: + +* Validate that there is an `item_id` in the path for `GET` and `PUT` requests. +* Validate that the `item_id` is of type `int` for `GET` and `PUT` requests. + * If it is not, the client will see a useful, clear error. +* Check if there is an optional query parameter named `q` (as in `http://127.0.0.1:8000/items/foo?q=somequery`) for `GET` requests. + * As the `q` parameter is declared with `= None`, it is optional. + * Without the `None` it would be required (as is the body in the case with `PUT`). +* For `PUT` requests to `/items/{item_id}`, Read the body as JSON: + * Check that it has a required attribute `name` that should be a `str`. + * Check that it has a required attribute `price` that has to be a `float`. + * Check that it has an optional attribute `is_offer`, that should be a `bool`, if present. + * All this would also work for deeply nested JSON objects. +* Convert from and to JSON automatically. +* Document everything with OpenAPI, that can be used by: + * Interactive documentation systems. + * Automatic client code generation systems, for many languages. +* Provide 2 interactive documentation web interfaces directly. + +--- + +We just scratched the surface, but you already get the idea of how it all works. + +Try changing the line with: + +```Python + return {"item_name": item.name, "item_id": item_id} +``` + +...from: + +```Python + ... "item_name": item.name ... +``` + +...to: + +```Python + ... "item_price": item.price ... +``` + +...and see how your editor will auto-complete the attributes and know their types: + +![editor support](https://fastapi.tiangolo.com/img/vscode-completion.png) + +For a more complete example including more features, see the Tutorial - User Guide. + +**Spoiler alert**: the tutorial - user guide includes: + +* Declaration of **parameters** from other different places as: **headers**, **cookies**, **form fields** and **files**. +* How to set **validation constraints** as `maximum_length` or `regex`. +* A very powerful and easy to use **Dependency Injection** system. +* Security and authentication, including support for **OAuth2** with **JWT tokens** and **HTTP Basic** auth. +* More advanced (but equally easy) techniques for declaring **deeply nested JSON models** (thanks to Pydantic). +* Many extra features (thanks to Starlette) as: + * **WebSockets** + * **GraphQL** + * extremely easy tests based on `requests` and `pytest` + * **CORS** + * **Cookie Sessions** + * ...and more. + +## Performance + +Independent TechEmpower benchmarks show **FastAPI** applications running under Uvicorn as one of the fastest Python frameworks available, only below Starlette and Uvicorn themselves (used internally by FastAPI). (*) + +To understand more about it, see the section Benchmarks. + +## Optional Dependencies + +Used by Pydantic: + +* ujson - for faster JSON "parsing". +* email_validator - for email validation. + +Used by Starlette: + +* requests - Required if you want to use the `TestClient`. +* aiofiles - Required if you want to use `FileResponse` or `StaticFiles`. +* jinja2 - Required if you want to use the default template configuration. +* python-multipart - Required if you want to support form "parsing", with `request.form()`. +* itsdangerous - Required for `SessionMiddleware` support. +* pyyaml - Required for Starlette's `SchemaGenerator` support (you probably don't need it with FastAPI). +* graphene - Required for `GraphQLApp` support. +* ujson - Required if you want to use `UJSONResponse`. + +Used by FastAPI / Starlette: + +* uvicorn - for the server that loads and serves your application. +* orjson - Required if you want to use `ORJSONResponse`. + +You can install all of these with `pip install fastapi[all]`. + +## License + +This project is licensed under the terms of the MIT license. + diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/RECORD new file mode 100644 index 0000000..b05e54b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/RECORD @@ -0,0 +1,89 @@ +fastapi-0.68.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +fastapi-0.68.0.dist-info/LICENSE,sha256=Tsif_IFIW5f-xYSy1KlhAy7v_oNEU4lP2cEnSQbMdE4,1086 +fastapi-0.68.0.dist-info/METADATA,sha256=Ie5wDLTLyWccf4zTikFKsRMYSRUifXw85_5uQvhA0w4,23599 +fastapi-0.68.0.dist-info/RECORD,, +fastapi-0.68.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +fastapi-0.68.0.dist-info/WHEEL,sha256=o-Q2E8s7BKkCJ1EC2uQdaymZVVu2aUt1e8uTTFpzHVs,81 +fastapi/__init__.py,sha256=yuJgZ7BPOck-N427r5Z9fZc2sm58btBPh7XGECsmXDc,1015 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a/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/WHEEL new file mode 100644 index 0000000..c71ae61 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi-0.68.0.dist-info/WHEEL @@ -0,0 +1,4 @@ +Wheel-Version: 1.0 +Generator: flit 3.2.0 +Root-Is-Purelib: true +Tag: py3-none-any diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/__init__.py new file mode 100644 index 0000000..60f90b8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/__init__.py @@ -0,0 +1,24 @@ +"""FastAPI framework, high performance, easy to learn, fast to code, ready for production""" + +__version__ = "0.68.0" + +from starlette import status as status + +from .applications import FastAPI as FastAPI +from .background import BackgroundTasks as BackgroundTasks +from .datastructures import UploadFile as UploadFile +from .exceptions import HTTPException as HTTPException +from .param_functions import Body as Body +from .param_functions import Cookie as Cookie +from .param_functions import Depends as Depends +from .param_functions import File as File +from .param_functions import Form as Form +from .param_functions import Header as Header +from .param_functions import Path as Path +from .param_functions import Query as Query +from .param_functions import Security as Security +from .requests import Request as Request +from .responses import Response as Response +from .routing import APIRouter as APIRouter +from .websockets import WebSocket as WebSocket +from .websockets import WebSocketDisconnect as WebSocketDisconnect diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/applications.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/applications.py new file mode 100644 index 0000000..0c25026 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/applications.py @@ -0,0 +1,768 @@ +from typing import Any, Callable, Coroutine, Dict, List, Optional, Sequence, Type, Union + +from fastapi import routing +from fastapi.concurrency import AsyncExitStack +from fastapi.datastructures import Default, DefaultPlaceholder +from fastapi.encoders import DictIntStrAny, SetIntStr +from fastapi.exception_handlers import ( + http_exception_handler, + request_validation_exception_handler, +) +from fastapi.exceptions import RequestValidationError +from fastapi.logger import logger +from fastapi.openapi.docs import ( + get_redoc_html, + get_swagger_ui_html, + get_swagger_ui_oauth2_redirect_html, +) +from fastapi.openapi.utils import get_openapi +from fastapi.params import Depends +from fastapi.types import DecoratedCallable +from starlette.applications import Starlette +from starlette.datastructures import State +from starlette.exceptions import HTTPException +from starlette.middleware import Middleware +from starlette.requests import Request +from starlette.responses import HTMLResponse, JSONResponse, Response +from starlette.routing import BaseRoute +from starlette.types import ASGIApp, Receive, Scope, Send + + +class FastAPI(Starlette): + def __init__( + self, + *, + debug: bool = False, + routes: Optional[List[BaseRoute]] = None, + title: str = "FastAPI", + description: str = "", + version: str = "0.1.0", + openapi_url: Optional[str] = "/openapi.json", + openapi_tags: Optional[List[Dict[str, Any]]] = None, + servers: Optional[List[Dict[str, Union[str, Any]]]] = None, + dependencies: Optional[Sequence[Depends]] = None, + default_response_class: Type[Response] = Default(JSONResponse), + docs_url: Optional[str] = "/docs", + redoc_url: Optional[str] = "/redoc", + swagger_ui_oauth2_redirect_url: Optional[str] = "/docs/oauth2-redirect", + swagger_ui_init_oauth: Optional[Dict[str, Any]] = None, + middleware: Optional[Sequence[Middleware]] = None, + exception_handlers: Optional[ + Dict[ + Union[int, Type[Exception]], + Callable[[Request, Any], Coroutine[Any, Any, Response]], + ] + ] = None, + on_startup: Optional[Sequence[Callable[[], Any]]] = None, + on_shutdown: Optional[Sequence[Callable[[], Any]]] = None, + terms_of_service: Optional[str] = None, + contact: Optional[Dict[str, Union[str, Any]]] = None, + license_info: Optional[Dict[str, Union[str, Any]]] = None, + openapi_prefix: str = "", + root_path: str = "", + root_path_in_servers: bool = True, + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + callbacks: Optional[List[BaseRoute]] = None, + deprecated: Optional[bool] = None, + include_in_schema: bool = True, + **extra: Any, + ) -> None: + self._debug: bool = debug + self.state: State = State() + self.router: routing.APIRouter = routing.APIRouter( + routes=routes, + dependency_overrides_provider=self, + on_startup=on_startup, + on_shutdown=on_shutdown, + default_response_class=default_response_class, + dependencies=dependencies, + callbacks=callbacks, + deprecated=deprecated, + include_in_schema=include_in_schema, + responses=responses, + ) + self.exception_handlers: Dict[ + Union[int, Type[Exception]], + Callable[[Request, Any], Coroutine[Any, Any, Response]], + ] = ( + {} if exception_handlers is None else dict(exception_handlers) + ) + self.exception_handlers.setdefault(HTTPException, http_exception_handler) + self.exception_handlers.setdefault( + RequestValidationError, request_validation_exception_handler + ) + + self.user_middleware: List[Middleware] = ( + [] if middleware is None else list(middleware) + ) + self.middleware_stack: ASGIApp = self.build_middleware_stack() + + self.title = title + self.description = description + self.version = version + self.terms_of_service = terms_of_service + self.contact = contact + self.license_info = license_info + self.servers = servers or [] + self.openapi_url = openapi_url + self.openapi_tags = openapi_tags + # TODO: remove when discarding the openapi_prefix parameter + if openapi_prefix: + logger.warning( + '"openapi_prefix" has been deprecated in favor of "root_path", which ' + "follows more closely the ASGI standard, is simpler, and more " + "automatic. Check the docs at " + "https://fastapi.tiangolo.com/advanced/sub-applications/" + ) + self.root_path = root_path or openapi_prefix + self.root_path_in_servers = root_path_in_servers + self.docs_url = docs_url + self.redoc_url = redoc_url + self.swagger_ui_oauth2_redirect_url = swagger_ui_oauth2_redirect_url + self.swagger_ui_init_oauth = swagger_ui_init_oauth + self.extra = extra + self.dependency_overrides: Dict[Callable[..., Any], Callable[..., Any]] = {} + + self.openapi_version = "3.0.2" + + if self.openapi_url: + assert self.title, "A title must be provided for OpenAPI, e.g.: 'My API'" + assert self.version, "A version must be provided for OpenAPI, e.g.: '2.1.0'" + self.openapi_schema: Optional[Dict[str, Any]] = None + self.setup() + + def openapi(self) -> Dict[str, Any]: + if not self.openapi_schema: + self.openapi_schema = get_openapi( + title=self.title, + version=self.version, + openapi_version=self.openapi_version, + description=self.description, + terms_of_service=self.terms_of_service, + contact=self.contact, + license_info=self.license_info, + routes=self.routes, + tags=self.openapi_tags, + servers=self.servers, + ) + return self.openapi_schema + + def setup(self) -> None: + if self.openapi_url: + urls = (server_data.get("url") for server_data in self.servers) + server_urls = {url for url in urls if url} + + async def openapi(req: Request) -> JSONResponse: + root_path = req.scope.get("root_path", "").rstrip("/") + if root_path not in server_urls: + if root_path and self.root_path_in_servers: + self.servers.insert(0, {"url": root_path}) + server_urls.add(root_path) + return JSONResponse(self.openapi()) + + self.add_route(self.openapi_url, openapi, include_in_schema=False) + if self.openapi_url and self.docs_url: + + async def swagger_ui_html(req: Request) -> HTMLResponse: + root_path = req.scope.get("root_path", "").rstrip("/") + openapi_url = root_path + self.openapi_url + oauth2_redirect_url = self.swagger_ui_oauth2_redirect_url + if oauth2_redirect_url: + oauth2_redirect_url = root_path + oauth2_redirect_url + return get_swagger_ui_html( + openapi_url=openapi_url, + title=self.title + " - Swagger UI", + oauth2_redirect_url=oauth2_redirect_url, + init_oauth=self.swagger_ui_init_oauth, + ) + + self.add_route(self.docs_url, swagger_ui_html, include_in_schema=False) + + if self.swagger_ui_oauth2_redirect_url: + + async def swagger_ui_redirect(req: Request) -> HTMLResponse: + return get_swagger_ui_oauth2_redirect_html() + + self.add_route( + self.swagger_ui_oauth2_redirect_url, + swagger_ui_redirect, + include_in_schema=False, + ) + if self.openapi_url and self.redoc_url: + + async def redoc_html(req: Request) -> HTMLResponse: + root_path = req.scope.get("root_path", "").rstrip("/") + openapi_url = root_path + self.openapi_url + return get_redoc_html( + openapi_url=openapi_url, title=self.title + " - ReDoc" + ) + + self.add_route(self.redoc_url, redoc_html, include_in_schema=False) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if self.root_path: + scope["root_path"] = self.root_path + if AsyncExitStack: + async with AsyncExitStack() as stack: + scope["fastapi_astack"] = stack + await super().__call__(scope, receive, send) + else: + await super().__call__(scope, receive, send) # pragma: no cover + + def add_api_route( + self, + path: str, + endpoint: Callable[..., Coroutine[Any, Any, Response]], + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[List[str]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Union[Type[Response], DefaultPlaceholder] = Default( + JSONResponse + ), + name: Optional[str] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> None: + self.router.add_api_route( + path, + endpoint=endpoint, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=methods, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + openapi_extra=openapi_extra, + ) + + def api_route( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[List[str]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + def decorator(func: DecoratedCallable) -> DecoratedCallable: + self.router.add_api_route( + path, + func, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=methods, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + openapi_extra=openapi_extra, + ) + return func + + return decorator + + def add_api_websocket_route( + self, path: str, endpoint: Callable[..., Any], name: Optional[str] = None + ) -> None: + self.router.add_api_websocket_route(path, endpoint, name=name) + + def websocket( + self, path: str, name: Optional[str] = None + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + def decorator(func: DecoratedCallable) -> DecoratedCallable: + self.add_api_websocket_route(path, func, name=name) + return func + + return decorator + + def include_router( + self, + router: routing.APIRouter, + *, + prefix: str = "", + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + include_in_schema: bool = True, + default_response_class: Type[Response] = Default(JSONResponse), + callbacks: Optional[List[BaseRoute]] = None, + ) -> None: + self.router.include_router( + router, + prefix=prefix, + tags=tags, + dependencies=dependencies, + responses=responses, + deprecated=deprecated, + include_in_schema=include_in_schema, + default_response_class=default_response_class, + callbacks=callbacks, + ) + + def get( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.get( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def put( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.put( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def post( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.post( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def delete( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.delete( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + operation_id=operation_id, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def options( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.options( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def head( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.head( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def patch( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.patch( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def trace( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.router.trace( + path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/background.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/background.py new file mode 100644 index 0000000..dd3bbe2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/background.py @@ -0,0 +1 @@ +from starlette.background import BackgroundTasks as BackgroundTasks # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/concurrency.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/concurrency.py new file mode 100644 index 0000000..d1fdfe5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/concurrency.py @@ -0,0 +1,51 @@ +from typing import Any, Callable + +from starlette.concurrency import iterate_in_threadpool as iterate_in_threadpool # noqa +from starlette.concurrency import run_in_threadpool as run_in_threadpool # noqa +from starlette.concurrency import ( # noqa + run_until_first_complete as run_until_first_complete, +) + +asynccontextmanager_error_message = """ +FastAPI's contextmanager_in_threadpool require Python 3.7 or above, +or the backport for Python 3.6, installed with: + pip install async-generator +""" + + +def _fake_asynccontextmanager(func: Callable[..., Any]) -> Callable[..., Any]: + def raiser(*args: Any, **kwargs: Any) -> Any: + raise RuntimeError(asynccontextmanager_error_message) + + return raiser + + +try: + from contextlib import asynccontextmanager as asynccontextmanager # type: ignore +except ImportError: + try: + from async_generator import ( # type: ignore # isort: skip + asynccontextmanager as asynccontextmanager, + ) + except ImportError: # pragma: no cover + asynccontextmanager = _fake_asynccontextmanager + +try: + from contextlib import AsyncExitStack as AsyncExitStack # type: ignore +except ImportError: + try: + from async_exit_stack import AsyncExitStack as AsyncExitStack # type: ignore + except ImportError: # pragma: no cover + AsyncExitStack = None # type: ignore + + +@asynccontextmanager # type: ignore +async def contextmanager_in_threadpool(cm: Any) -> Any: + try: + yield await run_in_threadpool(cm.__enter__) + except Exception as e: + ok = await run_in_threadpool(cm.__exit__, type(e), e, None) + if not ok: + raise e + else: + await run_in_threadpool(cm.__exit__, None, None, None) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/datastructures.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/datastructures.py new file mode 100644 index 0000000..b131712 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/datastructures.py @@ -0,0 +1,52 @@ +from typing import Any, Callable, Iterable, Type, TypeVar + +from starlette.datastructures import URL as URL # noqa: F401 +from starlette.datastructures import Address as Address # noqa: F401 +from starlette.datastructures import FormData as FormData # noqa: F401 +from starlette.datastructures import Headers as Headers # noqa: F401 +from starlette.datastructures import QueryParams as QueryParams # noqa: F401 +from starlette.datastructures import State as State # noqa: F401 +from starlette.datastructures import UploadFile as StarletteUploadFile + + +class UploadFile(StarletteUploadFile): + @classmethod + def __get_validators__(cls: Type["UploadFile"]) -> Iterable[Callable[..., Any]]: + yield cls.validate + + @classmethod + def validate(cls: Type["UploadFile"], v: Any) -> Any: + if not isinstance(v, StarletteUploadFile): + raise ValueError(f"Expected UploadFile, received: {type(v)}") + return v + + +class DefaultPlaceholder: + """ + You shouldn't use this class directly. + + It's used internally to recognize when a default value has been overwritten, even + if the overridden default value was truthy. + """ + + def __init__(self, value: Any): + self.value = value + + def __bool__(self) -> bool: + return bool(self.value) + + def __eq__(self, o: object) -> bool: + return isinstance(o, DefaultPlaceholder) and o.value == self.value + + +DefaultType = TypeVar("DefaultType") + + +def Default(value: DefaultType) -> DefaultType: + """ + You shouldn't use this function directly. + + It's used internally to recognize when a default value has been overwritten, even + if the overridden default value was truthy. + """ + return DefaultPlaceholder(value) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/models.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/models.py new file mode 100644 index 0000000..443590b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/models.py @@ -0,0 +1,58 @@ +from typing import Any, Callable, List, Optional, Sequence + +from fastapi.security.base import SecurityBase +from pydantic.fields import ModelField + + +class SecurityRequirement: + def __init__( + self, security_scheme: SecurityBase, scopes: Optional[Sequence[str]] = None + ): + self.security_scheme = security_scheme + self.scopes = scopes + + +class Dependant: + def __init__( + self, + *, + path_params: Optional[List[ModelField]] = None, + query_params: Optional[List[ModelField]] = None, + header_params: Optional[List[ModelField]] = None, + cookie_params: Optional[List[ModelField]] = None, + body_params: Optional[List[ModelField]] = None, + dependencies: Optional[List["Dependant"]] = None, + security_schemes: Optional[List[SecurityRequirement]] = None, + name: Optional[str] = None, + call: Optional[Callable[..., Any]] = None, + request_param_name: Optional[str] = None, + websocket_param_name: Optional[str] = None, + http_connection_param_name: Optional[str] = None, + response_param_name: Optional[str] = None, + background_tasks_param_name: Optional[str] = None, + security_scopes_param_name: Optional[str] = None, + security_scopes: Optional[List[str]] = None, + use_cache: bool = True, + path: Optional[str] = None, + ) -> None: + self.path_params = path_params or [] + self.query_params = query_params or [] + self.header_params = header_params or [] + self.cookie_params = cookie_params or [] + self.body_params = body_params or [] + self.dependencies = dependencies or [] + self.security_requirements = security_schemes or [] + self.request_param_name = request_param_name + self.websocket_param_name = websocket_param_name + self.http_connection_param_name = http_connection_param_name + self.response_param_name = response_param_name + self.background_tasks_param_name = background_tasks_param_name + self.security_scopes = security_scopes + self.security_scopes_param_name = security_scopes_param_name + self.name = name + self.call = call + self.use_cache = use_cache + # Store the path to be able to re-generate a dependable from it in overrides + self.path = path + # Save the cache key at creation to optimize performance + self.cache_key = (self.call, tuple(sorted(set(self.security_scopes or [])))) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/utils.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/utils.py new file mode 100644 index 0000000..95049d4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/dependencies/utils.py @@ -0,0 +1,785 @@ +import asyncio +import dataclasses +import inspect +from contextlib import contextmanager +from copy import deepcopy +from typing import ( + Any, + Callable, + Dict, + List, + Mapping, + Optional, + Sequence, + Tuple, + Type, + Union, + cast, +) + +from fastapi import params +from fastapi.concurrency import ( + AsyncExitStack, + _fake_asynccontextmanager, + asynccontextmanager, + contextmanager_in_threadpool, +) +from fastapi.dependencies.models import Dependant, SecurityRequirement +from fastapi.logger import logger +from fastapi.security.base import SecurityBase +from fastapi.security.oauth2 import OAuth2, SecurityScopes +from fastapi.security.open_id_connect_url import OpenIdConnect +from fastapi.utils import create_response_field, get_path_param_names +from pydantic import BaseModel, create_model +from pydantic.error_wrappers import ErrorWrapper +from pydantic.errors import MissingError +from pydantic.fields import ( + SHAPE_LIST, + SHAPE_SEQUENCE, + SHAPE_SET, + SHAPE_SINGLETON, + SHAPE_TUPLE, + SHAPE_TUPLE_ELLIPSIS, + FieldInfo, + ModelField, + Required, +) +from pydantic.schema import get_annotation_from_field_info +from pydantic.typing import ForwardRef, evaluate_forwardref +from pydantic.utils import lenient_issubclass +from starlette.background import BackgroundTasks +from starlette.concurrency import run_in_threadpool +from starlette.datastructures import FormData, Headers, QueryParams, UploadFile +from starlette.requests import HTTPConnection, Request +from starlette.responses import Response +from starlette.websockets import WebSocket + +sequence_shapes = { + SHAPE_LIST, + SHAPE_SET, + SHAPE_TUPLE, + SHAPE_SEQUENCE, + SHAPE_TUPLE_ELLIPSIS, +} +sequence_types = (list, set, tuple) +sequence_shape_to_type = { + SHAPE_LIST: list, + SHAPE_SET: set, + SHAPE_TUPLE: tuple, + SHAPE_SEQUENCE: list, + SHAPE_TUPLE_ELLIPSIS: list, +} + + +multipart_not_installed_error = ( + 'Form data requires "python-multipart" to be installed. \n' + 'You can install "python-multipart" with: \n\n' + "pip install python-multipart\n" +) +multipart_incorrect_install_error = ( + 'Form data requires "python-multipart" to be installed. ' + 'It seems you installed "multipart" instead. \n' + 'You can remove "multipart" with: \n\n' + "pip uninstall multipart\n\n" + 'And then install "python-multipart" with: \n\n' + "pip install python-multipart\n" +) + + +def check_file_field(field: ModelField) -> None: + field_info = field.field_info + if isinstance(field_info, params.Form): + try: + # __version__ is available in both multiparts, and can be mocked + from multipart import __version__ # type: ignore + + assert __version__ + try: + # parse_options_header is only available in the right multipart + from multipart.multipart import parse_options_header # type: ignore + + assert parse_options_header + except ImportError: + logger.error(multipart_incorrect_install_error) + raise RuntimeError(multipart_incorrect_install_error) + except ImportError: + logger.error(multipart_not_installed_error) + raise RuntimeError(multipart_not_installed_error) + + +def get_param_sub_dependant( + *, param: inspect.Parameter, path: str, security_scopes: Optional[List[str]] = None +) -> Dependant: + depends: params.Depends = param.default + if depends.dependency: + dependency = depends.dependency + else: + dependency = param.annotation + return get_sub_dependant( + depends=depends, + dependency=dependency, + path=path, + name=param.name, + security_scopes=security_scopes, + ) + + +def get_parameterless_sub_dependant(*, depends: params.Depends, path: str) -> Dependant: + assert callable( + depends.dependency + ), "A parameter-less dependency must have a callable dependency" + return get_sub_dependant(depends=depends, dependency=depends.dependency, path=path) + + +def get_sub_dependant( + *, + depends: params.Depends, + dependency: Callable[..., Any], + path: str, + name: Optional[str] = None, + security_scopes: Optional[List[str]] = None, +) -> Dependant: + security_requirement = None + security_scopes = security_scopes or [] + if isinstance(depends, params.Security): + dependency_scopes = depends.scopes + security_scopes.extend(dependency_scopes) + if isinstance(dependency, SecurityBase): + use_scopes: List[str] = [] + if isinstance(dependency, (OAuth2, OpenIdConnect)): + use_scopes = security_scopes + security_requirement = SecurityRequirement( + security_scheme=dependency, scopes=use_scopes + ) + sub_dependant = get_dependant( + path=path, + call=dependency, + name=name, + security_scopes=security_scopes, + use_cache=depends.use_cache, + ) + if security_requirement: + sub_dependant.security_requirements.append(security_requirement) + sub_dependant.security_scopes = security_scopes + return sub_dependant + + +CacheKey = Tuple[Optional[Callable[..., Any]], Tuple[str, ...]] + + +def get_flat_dependant( + dependant: Dependant, + *, + skip_repeats: bool = False, + visited: Optional[List[CacheKey]] = None, +) -> Dependant: + if visited is None: + visited = [] + visited.append(dependant.cache_key) + + flat_dependant = Dependant( + path_params=dependant.path_params.copy(), + query_params=dependant.query_params.copy(), + header_params=dependant.header_params.copy(), + cookie_params=dependant.cookie_params.copy(), + body_params=dependant.body_params.copy(), + security_schemes=dependant.security_requirements.copy(), + use_cache=dependant.use_cache, + path=dependant.path, + ) + for sub_dependant in dependant.dependencies: + if skip_repeats and sub_dependant.cache_key in visited: + continue + flat_sub = get_flat_dependant( + sub_dependant, skip_repeats=skip_repeats, visited=visited + ) + flat_dependant.path_params.extend(flat_sub.path_params) + flat_dependant.query_params.extend(flat_sub.query_params) + flat_dependant.header_params.extend(flat_sub.header_params) + flat_dependant.cookie_params.extend(flat_sub.cookie_params) + flat_dependant.body_params.extend(flat_sub.body_params) + flat_dependant.security_requirements.extend(flat_sub.security_requirements) + return flat_dependant + + +def get_flat_params(dependant: Dependant) -> List[ModelField]: + flat_dependant = get_flat_dependant(dependant, skip_repeats=True) + return ( + flat_dependant.path_params + + flat_dependant.query_params + + flat_dependant.header_params + + flat_dependant.cookie_params + ) + + +def is_scalar_field(field: ModelField) -> bool: + field_info = field.field_info + if not ( + field.shape == SHAPE_SINGLETON + and not lenient_issubclass(field.type_, BaseModel) + and not lenient_issubclass(field.type_, sequence_types + (dict,)) + and not dataclasses.is_dataclass(field.type_) + and not isinstance(field_info, params.Body) + ): + return False + if field.sub_fields: + if not all(is_scalar_field(f) for f in field.sub_fields): + return False + return True + + +def is_scalar_sequence_field(field: ModelField) -> bool: + if (field.shape in sequence_shapes) and not lenient_issubclass( + field.type_, BaseModel + ): + if field.sub_fields is not None: + for sub_field in field.sub_fields: + if not is_scalar_field(sub_field): + return False + return True + if lenient_issubclass(field.type_, sequence_types): + return True + return False + + +def get_typed_signature(call: Callable[..., Any]) -> inspect.Signature: + signature = inspect.signature(call) + globalns = getattr(call, "__globals__", {}) + typed_params = [ + inspect.Parameter( + name=param.name, + kind=param.kind, + default=param.default, + annotation=get_typed_annotation(param, globalns), + ) + for param in signature.parameters.values() + ] + typed_signature = inspect.Signature(typed_params) + return typed_signature + + +def get_typed_annotation(param: inspect.Parameter, globalns: Dict[str, Any]) -> Any: + annotation = param.annotation + if isinstance(annotation, str): + annotation = ForwardRef(annotation) + annotation = evaluate_forwardref(annotation, globalns, globalns) + return annotation + + +async_contextmanager_dependencies_error = """ +FastAPI dependencies with yield require Python 3.7 or above, +or the backports for Python 3.6, installed with: + pip install async-exit-stack async-generator +""" + + +def check_dependency_contextmanagers() -> None: + if AsyncExitStack is None or asynccontextmanager == _fake_asynccontextmanager: + raise RuntimeError(async_contextmanager_dependencies_error) # pragma: no cover + + +def get_dependant( + *, + path: str, + call: Callable[..., Any], + name: Optional[str] = None, + security_scopes: Optional[List[str]] = None, + use_cache: bool = True, +) -> Dependant: + path_param_names = get_path_param_names(path) + endpoint_signature = get_typed_signature(call) + signature_params = endpoint_signature.parameters + if is_gen_callable(call) or is_async_gen_callable(call): + check_dependency_contextmanagers() + dependant = Dependant(call=call, name=name, path=path, use_cache=use_cache) + for param_name, param in signature_params.items(): + if isinstance(param.default, params.Depends): + sub_dependant = get_param_sub_dependant( + param=param, path=path, security_scopes=security_scopes + ) + dependant.dependencies.append(sub_dependant) + continue + if add_non_field_param_to_dependency(param=param, dependant=dependant): + continue + param_field = get_param_field( + param=param, default_field_info=params.Query, param_name=param_name + ) + if param_name in path_param_names: + assert is_scalar_field( + field=param_field + ), "Path params must be of one of the supported types" + if isinstance(param.default, params.Path): + ignore_default = False + else: + ignore_default = True + param_field = get_param_field( + param=param, + param_name=param_name, + default_field_info=params.Path, + force_type=params.ParamTypes.path, + ignore_default=ignore_default, + ) + add_param_to_fields(field=param_field, dependant=dependant) + elif is_scalar_field(field=param_field): + add_param_to_fields(field=param_field, dependant=dependant) + elif isinstance( + param.default, (params.Query, params.Header) + ) and is_scalar_sequence_field(param_field): + add_param_to_fields(field=param_field, dependant=dependant) + else: + field_info = param_field.field_info + assert isinstance( + field_info, params.Body + ), f"Param: {param_field.name} can only be a request body, using Body(...)" + dependant.body_params.append(param_field) + return dependant + + +def add_non_field_param_to_dependency( + *, param: inspect.Parameter, dependant: Dependant +) -> Optional[bool]: + if lenient_issubclass(param.annotation, Request): + dependant.request_param_name = param.name + return True + elif lenient_issubclass(param.annotation, WebSocket): + dependant.websocket_param_name = param.name + return True + elif lenient_issubclass(param.annotation, HTTPConnection): + dependant.http_connection_param_name = param.name + return True + elif lenient_issubclass(param.annotation, Response): + dependant.response_param_name = param.name + return True + elif lenient_issubclass(param.annotation, BackgroundTasks): + dependant.background_tasks_param_name = param.name + return True + elif lenient_issubclass(param.annotation, SecurityScopes): + dependant.security_scopes_param_name = param.name + return True + return None + + +def get_param_field( + *, + param: inspect.Parameter, + param_name: str, + default_field_info: Type[params.Param] = params.Param, + force_type: Optional[params.ParamTypes] = None, + ignore_default: bool = False, +) -> ModelField: + default_value = Required + had_schema = False + if not param.default == param.empty and ignore_default is False: + default_value = param.default + if isinstance(default_value, FieldInfo): + had_schema = True + field_info = default_value + default_value = field_info.default + if ( + isinstance(field_info, params.Param) + and getattr(field_info, "in_", None) is None + ): + field_info.in_ = default_field_info.in_ + if force_type: + field_info.in_ = force_type # type: ignore + else: + field_info = default_field_info(default_value) + required = default_value == Required + annotation: Any = Any + if not param.annotation == param.empty: + annotation = param.annotation + annotation = get_annotation_from_field_info(annotation, field_info, param_name) + if not field_info.alias and getattr(field_info, "convert_underscores", None): + alias = param.name.replace("_", "-") + else: + alias = field_info.alias or param.name + field = create_response_field( + name=param.name, + type_=annotation, + default=None if required else default_value, + alias=alias, + required=required, + field_info=field_info, + ) + field.required = required + if not had_schema and not is_scalar_field(field=field): + field.field_info = params.Body(field_info.default) + + return field + + +def add_param_to_fields(*, field: ModelField, dependant: Dependant) -> None: + field_info = cast(params.Param, field.field_info) + if field_info.in_ == params.ParamTypes.path: + dependant.path_params.append(field) + elif field_info.in_ == params.ParamTypes.query: + dependant.query_params.append(field) + elif field_info.in_ == params.ParamTypes.header: + dependant.header_params.append(field) + else: + assert ( + field_info.in_ == params.ParamTypes.cookie + ), f"non-body parameters must be in path, query, header or cookie: {field.name}" + dependant.cookie_params.append(field) + + +def is_coroutine_callable(call: Callable[..., Any]) -> bool: + if inspect.isroutine(call): + return inspect.iscoroutinefunction(call) + if inspect.isclass(call): + return False + call = getattr(call, "__call__", None) + return inspect.iscoroutinefunction(call) + + +def is_async_gen_callable(call: Callable[..., Any]) -> bool: + if inspect.isasyncgenfunction(call): + return True + call = getattr(call, "__call__", None) + return inspect.isasyncgenfunction(call) + + +def is_gen_callable(call: Callable[..., Any]) -> bool: + if inspect.isgeneratorfunction(call): + return True + call = getattr(call, "__call__", None) + return inspect.isgeneratorfunction(call) + + +async def solve_generator( + *, call: Callable[..., Any], stack: AsyncExitStack, sub_values: Dict[str, Any] +) -> Any: + if is_gen_callable(call): + cm = contextmanager_in_threadpool(contextmanager(call)(**sub_values)) + elif is_async_gen_callable(call): + if not inspect.isasyncgenfunction(call): + # asynccontextmanager from the async_generator backfill pre python3.7 + # does not support callables that are not functions or methods. + # See https://github.com/python-trio/async_generator/issues/32 + # + # Expand the callable class into its __call__ method before decorating it. + # This approach will work on newer python versions as well. + call = getattr(call, "__call__", None) + cm = asynccontextmanager(call)(**sub_values) + return await stack.enter_async_context(cm) + + +async def solve_dependencies( + *, + request: Union[Request, WebSocket], + dependant: Dependant, + body: Optional[Union[Dict[str, Any], FormData]] = None, + background_tasks: Optional[BackgroundTasks] = None, + response: Optional[Response] = None, + dependency_overrides_provider: Optional[Any] = None, + dependency_cache: Optional[Dict[Tuple[Callable[..., Any], Tuple[str]], Any]] = None, +) -> Tuple[ + Dict[str, Any], + List[ErrorWrapper], + Optional[BackgroundTasks], + Response, + Dict[Tuple[Callable[..., Any], Tuple[str]], Any], +]: + values: Dict[str, Any] = {} + errors: List[ErrorWrapper] = [] + response = response or Response( + content=None, + status_code=None, # type: ignore + headers=None, # type: ignore # in Starlette + media_type=None, # type: ignore # in Starlette + background=None, # type: ignore # in Starlette + ) + dependency_cache = dependency_cache or {} + sub_dependant: Dependant + for sub_dependant in dependant.dependencies: + sub_dependant.call = cast(Callable[..., Any], sub_dependant.call) + sub_dependant.cache_key = cast( + Tuple[Callable[..., Any], Tuple[str]], sub_dependant.cache_key + ) + call = sub_dependant.call + use_sub_dependant = sub_dependant + if ( + dependency_overrides_provider + and dependency_overrides_provider.dependency_overrides + ): + original_call = sub_dependant.call + call = getattr( + dependency_overrides_provider, "dependency_overrides", {} + ).get(original_call, original_call) + use_path: str = sub_dependant.path # type: ignore + use_sub_dependant = get_dependant( + path=use_path, + call=call, + name=sub_dependant.name, + security_scopes=sub_dependant.security_scopes, + ) + use_sub_dependant.security_scopes = sub_dependant.security_scopes + + solved_result = await solve_dependencies( + request=request, + dependant=use_sub_dependant, + body=body, + background_tasks=background_tasks, + response=response, + dependency_overrides_provider=dependency_overrides_provider, + dependency_cache=dependency_cache, + ) + ( + sub_values, + sub_errors, + background_tasks, + _, # the subdependency returns the same response we have + sub_dependency_cache, + ) = solved_result + dependency_cache.update(sub_dependency_cache) + if sub_errors: + errors.extend(sub_errors) + continue + if sub_dependant.use_cache and sub_dependant.cache_key in dependency_cache: + solved = dependency_cache[sub_dependant.cache_key] + elif is_gen_callable(call) or is_async_gen_callable(call): + stack = request.scope.get("fastapi_astack") + if stack is None: + raise RuntimeError( + async_contextmanager_dependencies_error + ) # pragma: no cover + solved = await solve_generator( + call=call, stack=stack, sub_values=sub_values + ) + elif is_coroutine_callable(call): + solved = await call(**sub_values) + else: + solved = await run_in_threadpool(call, **sub_values) + if sub_dependant.name is not None: + values[sub_dependant.name] = solved + if sub_dependant.cache_key not in dependency_cache: + dependency_cache[sub_dependant.cache_key] = solved + path_values, path_errors = request_params_to_args( + dependant.path_params, request.path_params + ) + query_values, query_errors = request_params_to_args( + dependant.query_params, request.query_params + ) + header_values, header_errors = request_params_to_args( + dependant.header_params, request.headers + ) + cookie_values, cookie_errors = request_params_to_args( + dependant.cookie_params, request.cookies + ) + values.update(path_values) + values.update(query_values) + values.update(header_values) + values.update(cookie_values) + errors += path_errors + query_errors + header_errors + cookie_errors + if dependant.body_params: + ( + body_values, + body_errors, + ) = await request_body_to_args( # body_params checked above + required_params=dependant.body_params, received_body=body + ) + values.update(body_values) + errors.extend(body_errors) + if dependant.http_connection_param_name: + values[dependant.http_connection_param_name] = request + if dependant.request_param_name and isinstance(request, Request): + values[dependant.request_param_name] = request + elif dependant.websocket_param_name and isinstance(request, WebSocket): + values[dependant.websocket_param_name] = request + if dependant.background_tasks_param_name: + if background_tasks is None: + background_tasks = BackgroundTasks() + values[dependant.background_tasks_param_name] = background_tasks + if dependant.response_param_name: + values[dependant.response_param_name] = response + if dependant.security_scopes_param_name: + values[dependant.security_scopes_param_name] = SecurityScopes( + scopes=dependant.security_scopes + ) + return values, errors, background_tasks, response, dependency_cache + + +def request_params_to_args( + required_params: Sequence[ModelField], + received_params: Union[Mapping[str, Any], QueryParams, Headers], +) -> Tuple[Dict[str, Any], List[ErrorWrapper]]: + values = {} + errors = [] + for field in required_params: + if is_scalar_sequence_field(field) and isinstance( + received_params, (QueryParams, Headers) + ): + value = received_params.getlist(field.alias) or field.default + else: + value = received_params.get(field.alias) + field_info = field.field_info + assert isinstance( + field_info, params.Param + ), "Params must be subclasses of Param" + if value is None: + if field.required: + errors.append( + ErrorWrapper( + MissingError(), loc=(field_info.in_.value, field.alias) + ) + ) + else: + values[field.name] = deepcopy(field.default) + continue + v_, errors_ = field.validate( + value, values, loc=(field_info.in_.value, field.alias) + ) + if isinstance(errors_, ErrorWrapper): + errors.append(errors_) + elif isinstance(errors_, list): + errors.extend(errors_) + else: + values[field.name] = v_ + return values, errors + + +async def request_body_to_args( + required_params: List[ModelField], + received_body: Optional[Union[Dict[str, Any], FormData]], +) -> Tuple[Dict[str, Any], List[ErrorWrapper]]: + values = {} + errors = [] + if required_params: + field = required_params[0] + field_info = field.field_info + embed = getattr(field_info, "embed", None) + field_alias_omitted = len(required_params) == 1 and not embed + if field_alias_omitted: + received_body = {field.alias: received_body} + + for field in required_params: + loc: Tuple[str, ...] + if field_alias_omitted: + loc = ("body",) + else: + loc = ("body", field.alias) + + value: Optional[Any] = None + if received_body is not None: + if ( + field.shape in sequence_shapes or field.type_ in sequence_types + ) and isinstance(received_body, FormData): + value = received_body.getlist(field.alias) + else: + try: + value = received_body.get(field.alias) + except AttributeError: + errors.append(get_missing_field_error(loc)) + continue + if ( + value is None + or (isinstance(field_info, params.Form) and value == "") + or ( + isinstance(field_info, params.Form) + and field.shape in sequence_shapes + and len(value) == 0 + ) + ): + if field.required: + errors.append(get_missing_field_error(loc)) + else: + values[field.name] = deepcopy(field.default) + continue + if ( + isinstance(field_info, params.File) + and lenient_issubclass(field.type_, bytes) + and isinstance(value, UploadFile) + ): + value = await value.read() + elif ( + field.shape in sequence_shapes + and isinstance(field_info, params.File) + and lenient_issubclass(field.type_, bytes) + and isinstance(value, sequence_types) + ): + awaitables = [sub_value.read() for sub_value in value] + contents = await asyncio.gather(*awaitables) + value = sequence_shape_to_type[field.shape](contents) + + v_, errors_ = field.validate(value, values, loc=loc) + + if isinstance(errors_, ErrorWrapper): + errors.append(errors_) + elif isinstance(errors_, list): + errors.extend(errors_) + else: + values[field.name] = v_ + return values, errors + + +def get_missing_field_error(loc: Tuple[str, ...]) -> ErrorWrapper: + missing_field_error = ErrorWrapper(MissingError(), loc=loc) + return missing_field_error + + +def get_schema_compatible_field(*, field: ModelField) -> ModelField: + out_field = field + if lenient_issubclass(field.type_, UploadFile): + use_type: type = bytes + if field.shape in sequence_shapes: + use_type = List[bytes] + out_field = create_response_field( + name=field.name, + type_=use_type, + class_validators=field.class_validators, + model_config=field.model_config, + default=field.default, + required=field.required, + alias=field.alias, + field_info=field.field_info, + ) + return out_field + + +def get_body_field(*, dependant: Dependant, name: str) -> Optional[ModelField]: + flat_dependant = get_flat_dependant(dependant) + if not flat_dependant.body_params: + return None + first_param = flat_dependant.body_params[0] + field_info = first_param.field_info + embed = getattr(field_info, "embed", None) + body_param_names_set = {param.name for param in flat_dependant.body_params} + if len(body_param_names_set) == 1 and not embed: + final_field = get_schema_compatible_field(field=first_param) + check_file_field(final_field) + return final_field + # If one field requires to embed, all have to be embedded + # in case a sub-dependency is evaluated with a single unique body field + # That is combined (embedded) with other body fields + for param in flat_dependant.body_params: + setattr(param.field_info, "embed", True) + model_name = "Body_" + name + BodyModel: Type[BaseModel] = create_model(model_name) + for f in flat_dependant.body_params: + BodyModel.__fields__[f.name] = get_schema_compatible_field(field=f) + required = any(True for f in flat_dependant.body_params if f.required) + + BodyFieldInfo_kwargs: Dict[str, Any] = dict(default=None) + if any(isinstance(f.field_info, params.File) for f in flat_dependant.body_params): + BodyFieldInfo: Type[params.Body] = params.File + elif any(isinstance(f.field_info, params.Form) for f in flat_dependant.body_params): + BodyFieldInfo = params.Form + else: + BodyFieldInfo = params.Body + + body_param_media_types = [ + getattr(f.field_info, "media_type") + for f in flat_dependant.body_params + if isinstance(f.field_info, params.Body) + ] + if len(set(body_param_media_types)) == 1: + BodyFieldInfo_kwargs["media_type"] = body_param_media_types[0] + final_field = create_response_field( + name="body", + type_=BodyModel, + required=required, + alias="body", + field_info=BodyFieldInfo(**BodyFieldInfo_kwargs), + ) + check_file_field(final_field) + return final_field diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/encoders.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/encoders.py new file mode 100644 index 0000000..3f599c9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/encoders.py @@ -0,0 +1,153 @@ +import dataclasses +from collections import defaultdict +from enum import Enum +from pathlib import PurePath +from types import GeneratorType +from typing import Any, Callable, Dict, List, Optional, Set, Tuple, Union + +from pydantic import BaseModel +from pydantic.json import ENCODERS_BY_TYPE + +SetIntStr = Set[Union[int, str]] +DictIntStrAny = Dict[Union[int, str], Any] + + +def generate_encoders_by_class_tuples( + type_encoder_map: Dict[Any, Callable[[Any], Any]] +) -> Dict[Callable[[Any], Any], Tuple[Any, ...]]: + encoders_by_class_tuples: Dict[Callable[[Any], Any], Tuple[Any, ...]] = defaultdict( + tuple + ) + for type_, encoder in type_encoder_map.items(): + encoders_by_class_tuples[encoder] += (type_,) + return encoders_by_class_tuples + + +encoders_by_class_tuples = generate_encoders_by_class_tuples(ENCODERS_BY_TYPE) + + +def jsonable_encoder( + obj: Any, + include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + by_alias: bool = True, + exclude_unset: bool = False, + exclude_defaults: bool = False, + exclude_none: bool = False, + custom_encoder: Dict[Any, Callable[[Any], Any]] = {}, + sqlalchemy_safe: bool = True, +) -> Any: + if include is not None and not isinstance(include, (set, dict)): + include = set(include) + if exclude is not None and not isinstance(exclude, (set, dict)): + exclude = set(exclude) + if isinstance(obj, BaseModel): + encoder = getattr(obj.__config__, "json_encoders", {}) + if custom_encoder: + encoder.update(custom_encoder) + obj_dict = obj.dict( + include=include, # type: ignore # in Pydantic + exclude=exclude, # type: ignore # in Pydantic + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + exclude_defaults=exclude_defaults, + ) + if "__root__" in obj_dict: + obj_dict = obj_dict["__root__"] + return jsonable_encoder( + obj_dict, + exclude_none=exclude_none, + exclude_defaults=exclude_defaults, + custom_encoder=encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + if dataclasses.is_dataclass(obj): + return dataclasses.asdict(obj) + if isinstance(obj, Enum): + return obj.value + if isinstance(obj, PurePath): + return str(obj) + if isinstance(obj, (str, int, float, type(None))): + return obj + if isinstance(obj, dict): + encoded_dict = {} + for key, value in obj.items(): + if ( + ( + not sqlalchemy_safe + or (not isinstance(key, str)) + or (not key.startswith("_sa")) + ) + and (value is not None or not exclude_none) + and ((include and key in include) or not exclude or key not in exclude) + ): + encoded_key = jsonable_encoder( + key, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + encoded_value = jsonable_encoder( + value, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + encoded_dict[encoded_key] = encoded_value + return encoded_dict + if isinstance(obj, (list, set, frozenset, GeneratorType, tuple)): + encoded_list = [] + for item in obj: + encoded_list.append( + jsonable_encoder( + item, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) + ) + return encoded_list + + if custom_encoder: + if type(obj) in custom_encoder: + return custom_encoder[type(obj)](obj) + else: + for encoder_type, encoder in custom_encoder.items(): + if isinstance(obj, encoder_type): + return encoder(obj) + + if type(obj) in ENCODERS_BY_TYPE: + return ENCODERS_BY_TYPE[type(obj)](obj) + for encoder, classes_tuple in encoders_by_class_tuples.items(): + if isinstance(obj, classes_tuple): + return encoder(obj) + + errors: List[Exception] = [] + try: + data = dict(obj) + except Exception as e: + errors.append(e) + try: + data = vars(obj) + except Exception as e: + errors.append(e) + raise ValueError(errors) + return jsonable_encoder( + data, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + custom_encoder=custom_encoder, + sqlalchemy_safe=sqlalchemy_safe, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/exception_handlers.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/exception_handlers.py new file mode 100644 index 0000000..2b286d7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/exception_handlers.py @@ -0,0 +1,25 @@ +from fastapi.encoders import jsonable_encoder +from fastapi.exceptions import RequestValidationError +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.responses import JSONResponse +from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY + + +async def http_exception_handler(request: Request, exc: HTTPException) -> JSONResponse: + headers = getattr(exc, "headers", None) + if headers: + return JSONResponse( + {"detail": exc.detail}, status_code=exc.status_code, headers=headers + ) + else: + return JSONResponse({"detail": exc.detail}, status_code=exc.status_code) + + +async def request_validation_exception_handler( + request: Request, exc: RequestValidationError +) -> JSONResponse: + return JSONResponse( + status_code=HTTP_422_UNPROCESSABLE_ENTITY, + content={"detail": jsonable_encoder(exc.errors())}, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/exceptions.py new file mode 100644 index 0000000..f4a837b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/exceptions.py @@ -0,0 +1,37 @@ +from typing import Any, Dict, Optional, Sequence, Type + +from pydantic import BaseModel, ValidationError, create_model +from pydantic.error_wrappers import ErrorList +from starlette.exceptions import HTTPException as StarletteHTTPException + + +class HTTPException(StarletteHTTPException): + def __init__( + self, + status_code: int, + detail: Any = None, + headers: Optional[Dict[str, Any]] = None, + ) -> None: + super().__init__(status_code=status_code, detail=detail) + self.headers = headers + + +RequestErrorModel: Type[BaseModel] = create_model("Request") +WebSocketErrorModel: Type[BaseModel] = create_model("WebSocket") + + +class FastAPIError(RuntimeError): + """ + A generic, FastAPI-specific error. + """ + + +class RequestValidationError(ValidationError): + def __init__(self, errors: Sequence[ErrorList], *, body: Any = None) -> None: + self.body = body + super().__init__(errors, RequestErrorModel) + + +class WebSocketRequestValidationError(ValidationError): + def __init__(self, errors: Sequence[ErrorList]) -> None: + super().__init__(errors, WebSocketErrorModel) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/logger.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/logger.py new file mode 100644 index 0000000..5b2c4ad --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/logger.py @@ -0,0 +1,3 @@ +import logging + +logger = logging.getLogger("fastapi") diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/__init__.py new file mode 100644 index 0000000..620296d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/__init__.py @@ -0,0 +1 @@ +from starlette.middleware import Middleware as Middleware diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/cors.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/cors.py new file mode 100644 index 0000000..8dfaad0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/cors.py @@ -0,0 +1 @@ +from starlette.middleware.cors import CORSMiddleware as CORSMiddleware # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/gzip.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/gzip.py new file mode 100644 index 0000000..bbeb2cc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/gzip.py @@ -0,0 +1 @@ +from starlette.middleware.gzip import GZipMiddleware as GZipMiddleware # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/httpsredirect.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/httpsredirect.py new file mode 100644 index 0000000..b7a3d8e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/httpsredirect.py @@ -0,0 +1,3 @@ +from starlette.middleware.httpsredirect import ( # noqa + HTTPSRedirectMiddleware as HTTPSRedirectMiddleware, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/trustedhost.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/trustedhost.py new file mode 100644 index 0000000..08d7e03 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/trustedhost.py @@ -0,0 +1,3 @@ +from starlette.middleware.trustedhost import ( # noqa + TrustedHostMiddleware as TrustedHostMiddleware, +) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/wsgi.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/wsgi.py new file mode 100644 index 0000000..c4c6a79 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/middleware/wsgi.py @@ -0,0 +1 @@ +from starlette.middleware.wsgi import WSGIMiddleware as WSGIMiddleware # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/constants.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/constants.py new file mode 100644 index 0000000..3e69e55 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/constants.py @@ -0,0 +1,3 @@ +METHODS_WITH_BODY = {"GET", "HEAD", "POST", "PUT", "DELETE", "PATCH"} +STATUS_CODES_WITH_NO_BODY = {100, 101, 102, 103, 204, 304} +REF_PREFIX = "#/components/schemas/" diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/docs.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/docs.py new file mode 100644 index 0000000..fd22e4e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/docs.py @@ -0,0 +1,177 @@ +import json +from typing import Any, Dict, Optional + +from fastapi.encoders import jsonable_encoder +from starlette.responses import HTMLResponse + + +def get_swagger_ui_html( + *, + openapi_url: str, + title: str, + swagger_js_url: str = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui-bundle.js", + swagger_css_url: str = "https://cdn.jsdelivr.net/npm/swagger-ui-dist@3/swagger-ui.css", + swagger_favicon_url: str = "https://fastapi.tiangolo.com/img/favicon.png", + oauth2_redirect_url: Optional[str] = None, + init_oauth: Optional[Dict[str, Any]] = None, +) -> HTMLResponse: + + html = f""" + + + + + + {title} + + +
    +
    + + + + + + """ + return HTMLResponse(html) + + +def get_redoc_html( + *, + openapi_url: str, + title: str, + redoc_js_url: str = "https://cdn.jsdelivr.net/npm/redoc@next/bundles/redoc.standalone.js", + redoc_favicon_url: str = "https://fastapi.tiangolo.com/img/favicon.png", + with_google_fonts: bool = True, +) -> HTMLResponse: + html = f""" + + + + {title} + + + + """ + if with_google_fonts: + html += """ + + """ + html += f""" + + + + + + + + + + """ + return HTMLResponse(html) + + +def get_swagger_ui_oauth2_redirect_html() -> HTMLResponse: + html = """ + + + + + + + """ + return HTMLResponse(content=html) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/models.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/models.py new file mode 100644 index 0000000..361c750 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/models.py @@ -0,0 +1,406 @@ +from enum import Enum +from typing import Any, Callable, Dict, Iterable, List, Optional, Union + +from fastapi.logger import logger +from pydantic import AnyUrl, BaseModel, Field + +try: + import email_validator # type: ignore + + assert email_validator # make autoflake ignore the unused import + from pydantic import EmailStr +except ImportError: # pragma: no cover + + class EmailStr(str): # type: ignore + @classmethod + def __get_validators__(cls) -> Iterable[Callable[..., Any]]: + yield cls.validate + + @classmethod + def validate(cls, v: Any) -> str: + logger.warning( + "email-validator not installed, email fields will be treated as str.\n" + "To install, run: pip install email-validator" + ) + return str(v) + + +class Contact(BaseModel): + name: Optional[str] = None + url: Optional[AnyUrl] = None + email: Optional[EmailStr] = None + + class Config: + extra = "allow" + + +class License(BaseModel): + name: str + url: Optional[AnyUrl] = None + + class Config: + extra = "allow" + + +class Info(BaseModel): + title: str + description: Optional[str] = None + termsOfService: Optional[str] = None + contact: Optional[Contact] = None + license: Optional[License] = None + version: str + + class Config: + extra = "allow" + + +class ServerVariable(BaseModel): + enum: Optional[List[str]] = None + default: str + description: Optional[str] = None + + class Config: + extra = "allow" + + +class Server(BaseModel): + url: Union[AnyUrl, str] + description: Optional[str] = None + variables: Optional[Dict[str, ServerVariable]] = None + + class Config: + extra = "allow" + + +class Reference(BaseModel): + ref: str = Field(..., alias="$ref") + + +class Discriminator(BaseModel): + propertyName: str + mapping: Optional[Dict[str, str]] = None + + +class XML(BaseModel): + name: Optional[str] = None + namespace: Optional[str] = None + prefix: Optional[str] = None + attribute: Optional[bool] = None + wrapped: Optional[bool] = None + + class Config: + extra = "allow" + + +class ExternalDocumentation(BaseModel): + description: Optional[str] = None + url: AnyUrl + + class Config: + extra = "allow" + + +class Schema(BaseModel): + ref: Optional[str] = Field(None, alias="$ref") + title: Optional[str] = None + multipleOf: Optional[float] = None + maximum: Optional[float] = None + exclusiveMaximum: Optional[float] = None + minimum: Optional[float] = None + exclusiveMinimum: Optional[float] = None + maxLength: Optional[int] = Field(None, gte=0) + minLength: Optional[int] = Field(None, gte=0) + pattern: Optional[str] = None + maxItems: Optional[int] = Field(None, gte=0) + minItems: Optional[int] = Field(None, gte=0) + uniqueItems: Optional[bool] = None + maxProperties: Optional[int] = Field(None, gte=0) + minProperties: Optional[int] = Field(None, gte=0) + required: Optional[List[str]] = None + enum: Optional[List[Any]] = None + type: Optional[str] = None + allOf: Optional[List["Schema"]] = None + oneOf: Optional[List["Schema"]] = None + anyOf: Optional[List["Schema"]] = None + not_: Optional["Schema"] = Field(None, alias="not") + items: Optional["Schema"] = None + properties: Optional[Dict[str, "Schema"]] = None + additionalProperties: Optional[Union["Schema", Reference, bool]] = None + description: Optional[str] = None + format: Optional[str] = None + default: Optional[Any] = None + nullable: Optional[bool] = None + discriminator: Optional[Discriminator] = None + readOnly: Optional[bool] = None + writeOnly: Optional[bool] = None + xml: Optional[XML] = None + externalDocs: Optional[ExternalDocumentation] = None + example: Optional[Any] = None + deprecated: Optional[bool] = None + + class Config: + extra: str = "allow" + + +class Example(BaseModel): + summary: Optional[str] = None + description: Optional[str] = None + value: Optional[Any] = None + externalValue: Optional[AnyUrl] = None + + class Config: + extra = "allow" + + +class ParameterInType(Enum): + query = "query" + header = "header" + path = "path" + cookie = "cookie" + + +class Encoding(BaseModel): + contentType: Optional[str] = None + headers: Optional[Dict[str, Union["Header", Reference]]] = None + style: Optional[str] = None + explode: Optional[bool] = None + allowReserved: Optional[bool] = None + + class Config: + extra = "allow" + + +class MediaType(BaseModel): + schema_: Optional[Union[Schema, Reference]] = Field(None, alias="schema") + example: Optional[Any] = None + examples: Optional[Dict[str, Union[Example, Reference]]] = None + encoding: Optional[Dict[str, Encoding]] = None + + class Config: + extra = "allow" + + +class ParameterBase(BaseModel): + description: Optional[str] = None + required: Optional[bool] = None + deprecated: Optional[bool] = None + # Serialization rules for simple scenarios + style: Optional[str] = None + explode: Optional[bool] = None + allowReserved: Optional[bool] = None + schema_: Optional[Union[Schema, Reference]] = Field(None, alias="schema") + example: Optional[Any] = None + examples: Optional[Dict[str, Union[Example, Reference]]] = None + # Serialization rules for more complex scenarios + content: Optional[Dict[str, MediaType]] = None + + class Config: + extra = "allow" + + +class Parameter(ParameterBase): + name: str + in_: ParameterInType = Field(..., alias="in") + + +class Header(ParameterBase): + pass + + +class RequestBody(BaseModel): + description: Optional[str] = None + content: Dict[str, MediaType] + required: Optional[bool] = None + + class Config: + extra = "allow" + + +class Link(BaseModel): + operationRef: Optional[str] = None + operationId: Optional[str] = None + parameters: Optional[Dict[str, Union[Any, str]]] = None + requestBody: Optional[Union[Any, str]] = None + description: Optional[str] = None + server: Optional[Server] = None + + class Config: + extra = "allow" + + +class Response(BaseModel): + description: str + headers: Optional[Dict[str, Union[Header, Reference]]] = None + content: Optional[Dict[str, MediaType]] = None + links: Optional[Dict[str, Union[Link, Reference]]] = None + + class Config: + extra = "allow" + + +class Operation(BaseModel): + tags: Optional[List[str]] = None + summary: Optional[str] = None + description: Optional[str] = None + externalDocs: Optional[ExternalDocumentation] = None + operationId: Optional[str] = None + parameters: Optional[List[Union[Parameter, Reference]]] = None + requestBody: Optional[Union[RequestBody, Reference]] = None + # Using Any for Specification Extensions + responses: Dict[str, Union[Response, Any]] + callbacks: Optional[Dict[str, Union[Dict[str, "PathItem"], Reference]]] = None + deprecated: Optional[bool] = None + security: Optional[List[Dict[str, List[str]]]] = None + servers: Optional[List[Server]] = None + + class Config: + extra = "allow" + + +class PathItem(BaseModel): + ref: Optional[str] = Field(None, alias="$ref") + summary: Optional[str] = None + description: Optional[str] = None + get: Optional[Operation] = None + put: Optional[Operation] = None + post: Optional[Operation] = None + delete: Optional[Operation] = None + options: Optional[Operation] = None + head: Optional[Operation] = None + patch: Optional[Operation] = None + trace: Optional[Operation] = None + servers: Optional[List[Server]] = None + parameters: Optional[List[Union[Parameter, Reference]]] = None + + class Config: + extra = "allow" + + +class SecuritySchemeType(Enum): + apiKey = "apiKey" + http = "http" + oauth2 = "oauth2" + openIdConnect = "openIdConnect" + + +class SecurityBase(BaseModel): + type_: SecuritySchemeType = Field(..., alias="type") + description: Optional[str] = None + + class Config: + extra = "allow" + + +class APIKeyIn(Enum): + query = "query" + header = "header" + cookie = "cookie" + + +class APIKey(SecurityBase): + type_ = Field(SecuritySchemeType.apiKey, alias="type") + in_: APIKeyIn = Field(..., alias="in") + name: str + + +class HTTPBase(SecurityBase): + type_ = Field(SecuritySchemeType.http, alias="type") + scheme: str + + +class HTTPBearer(HTTPBase): + scheme = "bearer" + bearerFormat: Optional[str] = None + + +class OAuthFlow(BaseModel): + refreshUrl: Optional[str] = None + scopes: Dict[str, str] = {} + + class Config: + extra = "allow" + + +class OAuthFlowImplicit(OAuthFlow): + authorizationUrl: str + + +class OAuthFlowPassword(OAuthFlow): + tokenUrl: str + + +class OAuthFlowClientCredentials(OAuthFlow): + tokenUrl: str + + +class OAuthFlowAuthorizationCode(OAuthFlow): + authorizationUrl: str + tokenUrl: str + + +class OAuthFlows(BaseModel): + implicit: Optional[OAuthFlowImplicit] = None + password: Optional[OAuthFlowPassword] = None + clientCredentials: Optional[OAuthFlowClientCredentials] = None + authorizationCode: Optional[OAuthFlowAuthorizationCode] = None + + class Config: + extra = "allow" + + +class OAuth2(SecurityBase): + type_ = Field(SecuritySchemeType.oauth2, alias="type") + flows: OAuthFlows + + +class OpenIdConnect(SecurityBase): + type_ = Field(SecuritySchemeType.openIdConnect, alias="type") + openIdConnectUrl: str + + +SecurityScheme = Union[APIKey, HTTPBase, OAuth2, OpenIdConnect, HTTPBearer] + + +class Components(BaseModel): + schemas: Optional[Dict[str, Union[Schema, Reference]]] = None + responses: Optional[Dict[str, Union[Response, Reference]]] = None + parameters: Optional[Dict[str, Union[Parameter, Reference]]] = None + examples: Optional[Dict[str, Union[Example, Reference]]] = None + requestBodies: Optional[Dict[str, Union[RequestBody, Reference]]] = None + headers: Optional[Dict[str, Union[Header, Reference]]] = None + securitySchemes: Optional[Dict[str, Union[SecurityScheme, Reference]]] = None + links: Optional[Dict[str, Union[Link, Reference]]] = None + # Using Any for Specification Extensions + callbacks: Optional[Dict[str, Union[Dict[str, PathItem], Reference, Any]]] = None + + class Config: + extra = "allow" + + +class Tag(BaseModel): + name: str + description: Optional[str] = None + externalDocs: Optional[ExternalDocumentation] = None + + class Config: + extra = "allow" + + +class OpenAPI(BaseModel): + openapi: str + info: Info + servers: Optional[List[Server]] = None + # Using Any for Specification Extensions + paths: Dict[str, Union[PathItem, Any]] + components: Optional[Components] = None + security: Optional[List[Dict[str, List[str]]]] = None + tags: Optional[List[Tag]] = None + externalDocs: Optional[ExternalDocumentation] = None + + class Config: + extra = "allow" + + +Schema.update_forward_refs() +Operation.update_forward_refs() +Encoding.update_forward_refs() diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/utils.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/utils.py new file mode 100644 index 0000000..0e73e21 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/openapi/utils.py @@ -0,0 +1,410 @@ +import http.client +import inspect +from enum import Enum +from typing import Any, Dict, List, Optional, Sequence, Set, Tuple, Type, Union, cast + +from fastapi import routing +from fastapi.datastructures import DefaultPlaceholder +from fastapi.dependencies.models import Dependant +from fastapi.dependencies.utils import get_flat_dependant, get_flat_params +from fastapi.encoders import jsonable_encoder +from fastapi.openapi.constants import ( + METHODS_WITH_BODY, + REF_PREFIX, + STATUS_CODES_WITH_NO_BODY, +) +from fastapi.openapi.models import OpenAPI +from fastapi.params import Body, Param +from fastapi.responses import Response +from fastapi.utils import ( + deep_dict_update, + generate_operation_id_for_path, + get_model_definitions, +) +from pydantic import BaseModel +from pydantic.fields import ModelField, Undefined +from pydantic.schema import ( + field_schema, + get_flat_models_from_fields, + get_model_name_map, +) +from pydantic.utils import lenient_issubclass +from starlette.responses import JSONResponse +from starlette.routing import BaseRoute +from starlette.status import HTTP_422_UNPROCESSABLE_ENTITY + +validation_error_definition = { + "title": "ValidationError", + "type": "object", + "properties": { + "loc": {"title": "Location", "type": "array", "items": {"type": "string"}}, + "msg": {"title": "Message", "type": "string"}, + "type": {"title": "Error Type", "type": "string"}, + }, + "required": ["loc", "msg", "type"], +} + +validation_error_response_definition = { + "title": "HTTPValidationError", + "type": "object", + "properties": { + "detail": { + "title": "Detail", + "type": "array", + "items": {"$ref": REF_PREFIX + "ValidationError"}, + } + }, +} + +status_code_ranges: Dict[str, str] = { + "1XX": "Information", + "2XX": "Success", + "3XX": "Redirection", + "4XX": "Client Error", + "5XX": "Server Error", + "DEFAULT": "Default Response", +} + + +def get_openapi_security_definitions( + flat_dependant: Dependant, +) -> Tuple[Dict[str, Any], List[Dict[str, Any]]]: + security_definitions = {} + operation_security = [] + for security_requirement in flat_dependant.security_requirements: + security_definition = jsonable_encoder( + security_requirement.security_scheme.model, + by_alias=True, + exclude_none=True, + ) + security_name = security_requirement.security_scheme.scheme_name + security_definitions[security_name] = security_definition + operation_security.append({security_name: security_requirement.scopes}) + return security_definitions, operation_security + + +def get_openapi_operation_parameters( + *, + all_route_params: Sequence[ModelField], + model_name_map: Dict[Union[Type[BaseModel], Type[Enum]], str], +) -> List[Dict[str, Any]]: + parameters = [] + for param in all_route_params: + field_info = param.field_info + field_info = cast(Param, field_info) + parameter = { + "name": param.alias, + "in": field_info.in_.value, + "required": param.required, + "schema": field_schema( + param, model_name_map=model_name_map, ref_prefix=REF_PREFIX + )[0], + } + if field_info.description: + parameter["description"] = field_info.description + if field_info.examples: + parameter["examples"] = jsonable_encoder(field_info.examples) + elif field_info.example != Undefined: + parameter["example"] = jsonable_encoder(field_info.example) + if field_info.deprecated: + parameter["deprecated"] = field_info.deprecated + parameters.append(parameter) + return parameters + + +def get_openapi_operation_request_body( + *, + body_field: Optional[ModelField], + model_name_map: Dict[Union[Type[BaseModel], Type[Enum]], str], +) -> Optional[Dict[str, Any]]: + if not body_field: + return None + assert isinstance(body_field, ModelField) + body_schema, _, _ = field_schema( + body_field, model_name_map=model_name_map, ref_prefix=REF_PREFIX + ) + field_info = cast(Body, body_field.field_info) + request_media_type = field_info.media_type + required = body_field.required + request_body_oai: Dict[str, Any] = {} + if required: + request_body_oai["required"] = required + request_media_content: Dict[str, Any] = {"schema": body_schema} + if field_info.examples: + request_media_content["examples"] = jsonable_encoder(field_info.examples) + elif field_info.example != Undefined: + request_media_content["example"] = jsonable_encoder(field_info.example) + request_body_oai["content"] = {request_media_type: request_media_content} + return request_body_oai + + +def generate_operation_id(*, route: routing.APIRoute, method: str) -> str: + if route.operation_id: + return route.operation_id + path: str = route.path_format + return generate_operation_id_for_path(name=route.name, path=path, method=method) + + +def generate_operation_summary(*, route: routing.APIRoute, method: str) -> str: + if route.summary: + return route.summary + return route.name.replace("_", " ").title() + + +def get_openapi_operation_metadata( + *, route: routing.APIRoute, method: str +) -> Dict[str, Any]: + operation: Dict[str, Any] = {} + if route.tags: + operation["tags"] = route.tags + operation["summary"] = generate_operation_summary(route=route, method=method) + if route.description: + operation["description"] = route.description + operation["operationId"] = generate_operation_id(route=route, method=method) + if route.deprecated: + operation["deprecated"] = route.deprecated + return operation + + +def get_openapi_path( + *, route: routing.APIRoute, model_name_map: Dict[type, str] +) -> Tuple[Dict[str, Any], Dict[str, Any], Dict[str, Any]]: + path = {} + security_schemes: Dict[str, Any] = {} + definitions: Dict[str, Any] = {} + assert route.methods is not None, "Methods must be a list" + if isinstance(route.response_class, DefaultPlaceholder): + current_response_class: Type[Response] = route.response_class.value + else: + current_response_class = route.response_class + assert current_response_class, "A response class is needed to generate OpenAPI" + route_response_media_type: Optional[str] = current_response_class.media_type + if route.include_in_schema: + for method in route.methods: + operation = get_openapi_operation_metadata(route=route, method=method) + parameters: List[Dict[str, Any]] = [] + flat_dependant = get_flat_dependant(route.dependant, skip_repeats=True) + security_definitions, operation_security = get_openapi_security_definitions( + flat_dependant=flat_dependant + ) + if operation_security: + operation.setdefault("security", []).extend(operation_security) + if security_definitions: + security_schemes.update(security_definitions) + all_route_params = get_flat_params(route.dependant) + operation_parameters = get_openapi_operation_parameters( + all_route_params=all_route_params, model_name_map=model_name_map + ) + parameters.extend(operation_parameters) + if parameters: + operation["parameters"] = list( + {param["name"]: param for param in parameters}.values() + ) + if method in METHODS_WITH_BODY: + request_body_oai = get_openapi_operation_request_body( + body_field=route.body_field, model_name_map=model_name_map + ) + if request_body_oai: + operation["requestBody"] = request_body_oai + if route.callbacks: + callbacks = {} + for callback in route.callbacks: + if isinstance(callback, routing.APIRoute): + ( + cb_path, + cb_security_schemes, + cb_definitions, + ) = get_openapi_path( + route=callback, model_name_map=model_name_map + ) + callbacks[callback.name] = {callback.path: cb_path} + operation["callbacks"] = callbacks + if route.status_code is not None: + status_code = str(route.status_code) + else: + # It would probably make more sense for all response classes to have an + # explicit default status_code, and to extract it from them, instead of + # doing this inspection tricks, that would probably be in the future + # TODO: probably make status_code a default class attribute for all + # responses in Starlette + response_signature = inspect.signature(current_response_class.__init__) + status_code_param = response_signature.parameters.get("status_code") + if status_code_param is not None: + if isinstance(status_code_param.default, int): + status_code = str(status_code_param.default) + operation.setdefault("responses", {}).setdefault(status_code, {})[ + "description" + ] = route.response_description + if ( + route_response_media_type + and route.status_code not in STATUS_CODES_WITH_NO_BODY + ): + response_schema = {"type": "string"} + if lenient_issubclass(current_response_class, JSONResponse): + if route.response_field: + response_schema, _, _ = field_schema( + route.response_field, + model_name_map=model_name_map, + ref_prefix=REF_PREFIX, + ) + else: + response_schema = {} + operation.setdefault("responses", {}).setdefault( + status_code, {} + ).setdefault("content", {}).setdefault(route_response_media_type, {})[ + "schema" + ] = response_schema + if route.responses: + operation_responses = operation.setdefault("responses", {}) + for ( + additional_status_code, + additional_response, + ) in route.responses.items(): + process_response = additional_response.copy() + process_response.pop("model", None) + status_code_key = str(additional_status_code).upper() + if status_code_key == "DEFAULT": + status_code_key = "default" + openapi_response = operation_responses.setdefault( + status_code_key, {} + ) + assert isinstance( + process_response, dict + ), "An additional response must be a dict" + field = route.response_fields.get(additional_status_code) + additional_field_schema: Optional[Dict[str, Any]] = None + if field: + additional_field_schema, _, _ = field_schema( + field, model_name_map=model_name_map, ref_prefix=REF_PREFIX + ) + media_type = route_response_media_type or "application/json" + additional_schema = ( + process_response.setdefault("content", {}) + .setdefault(media_type, {}) + .setdefault("schema", {}) + ) + deep_dict_update(additional_schema, additional_field_schema) + status_text: Optional[str] = status_code_ranges.get( + str(additional_status_code).upper() + ) or http.client.responses.get(int(additional_status_code)) + description = ( + process_response.get("description") + or openapi_response.get("description") + or status_text + or "Additional Response" + ) + deep_dict_update(openapi_response, process_response) + openapi_response["description"] = description + http422 = str(HTTP_422_UNPROCESSABLE_ENTITY) + if (all_route_params or route.body_field) and not any( + [ + status in operation["responses"] + for status in [http422, "4XX", "default"] + ] + ): + operation["responses"][http422] = { + "description": "Validation Error", + "content": { + "application/json": { + "schema": {"$ref": REF_PREFIX + "HTTPValidationError"} + } + }, + } + if "ValidationError" not in definitions: + definitions.update( + { + "ValidationError": validation_error_definition, + "HTTPValidationError": validation_error_response_definition, + } + ) + if route.openapi_extra: + deep_dict_update(operation, route.openapi_extra) + path[method.lower()] = operation + return path, security_schemes, definitions + + +def get_flat_models_from_routes( + routes: Sequence[BaseRoute], +) -> Set[Union[Type[BaseModel], Type[Enum]]]: + body_fields_from_routes: List[ModelField] = [] + responses_from_routes: List[ModelField] = [] + request_fields_from_routes: List[ModelField] = [] + callback_flat_models: Set[Union[Type[BaseModel], Type[Enum]]] = set() + for route in routes: + if getattr(route, "include_in_schema", None) and isinstance( + route, routing.APIRoute + ): + if route.body_field: + assert isinstance( + route.body_field, ModelField + ), "A request body must be a Pydantic Field" + body_fields_from_routes.append(route.body_field) + if route.response_field: + responses_from_routes.append(route.response_field) + if route.response_fields: + responses_from_routes.extend(route.response_fields.values()) + if route.callbacks: + callback_flat_models |= get_flat_models_from_routes(route.callbacks) + params = get_flat_params(route.dependant) + request_fields_from_routes.extend(params) + + flat_models = callback_flat_models | get_flat_models_from_fields( + body_fields_from_routes + responses_from_routes + request_fields_from_routes, + known_models=set(), + ) + return flat_models + + +def get_openapi( + *, + title: str, + version: str, + openapi_version: str = "3.0.2", + description: Optional[str] = None, + routes: Sequence[BaseRoute], + tags: Optional[List[Dict[str, Any]]] = None, + servers: Optional[List[Dict[str, Union[str, Any]]]] = None, + terms_of_service: Optional[str] = None, + contact: Optional[Dict[str, Union[str, Any]]] = None, + license_info: Optional[Dict[str, Union[str, Any]]] = None, +) -> Dict[str, Any]: + info: Dict[str, Any] = {"title": title, "version": version} + if description: + info["description"] = description + if terms_of_service: + info["termsOfService"] = terms_of_service + if contact: + info["contact"] = contact + if license_info: + info["license"] = license_info + output: Dict[str, Any] = {"openapi": openapi_version, "info": info} + if servers: + output["servers"] = servers + components: Dict[str, Dict[str, Any]] = {} + paths: Dict[str, Dict[str, Any]] = {} + flat_models = get_flat_models_from_routes(routes) + model_name_map = get_model_name_map(flat_models) + definitions = get_model_definitions( + flat_models=flat_models, model_name_map=model_name_map + ) + for route in routes: + if isinstance(route, routing.APIRoute): + result = get_openapi_path(route=route, model_name_map=model_name_map) + if result: + path, security_schemes, path_definitions = result + if path: + paths.setdefault(route.path_format, {}).update(path) + if security_schemes: + components.setdefault("securitySchemes", {}).update( + security_schemes + ) + if path_definitions: + definitions.update(path_definitions) + if definitions: + components["schemas"] = {k: definitions[k] for k in sorted(definitions)} + if components: + output["components"] = components + output["paths"] = paths + if tags: + output["tags"] = tags + return jsonable_encoder(OpenAPI(**output), by_alias=True, exclude_none=True) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/param_functions.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/param_functions.py new file mode 100644 index 0000000..ff65d72 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/param_functions.py @@ -0,0 +1,282 @@ +from typing import Any, Callable, Dict, Optional, Sequence + +from fastapi import params +from pydantic.fields import Undefined + + +def Path( # noqa: N802 + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, +) -> Any: + return params.Path( + default=default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + deprecated=deprecated, + **extra, + ) + + +def Query( # noqa: N802 + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, +) -> Any: + return params.Query( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + deprecated=deprecated, + **extra, + ) + + +def Header( # noqa: N802 + default: Any, + *, + alias: Optional[str] = None, + convert_underscores: bool = True, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, +) -> Any: + return params.Header( + default, + alias=alias, + convert_underscores=convert_underscores, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + deprecated=deprecated, + **extra, + ) + + +def Cookie( # noqa: N802 + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, +) -> Any: + return params.Cookie( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + deprecated=deprecated, + **extra, + ) + + +def Body( # noqa: N802 + default: Any, + *, + embed: bool = False, + media_type: str = "application/json", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, +) -> Any: + return params.Body( + default, + embed=embed, + media_type=media_type, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + **extra, + ) + + +def Form( # noqa: N802 + default: Any, + *, + media_type: str = "application/x-www-form-urlencoded", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, +) -> Any: + return params.Form( + default, + media_type=media_type, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + **extra, + ) + + +def File( # noqa: N802 + default: Any, + *, + media_type: str = "multipart/form-data", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, +) -> Any: + return params.File( + default, + media_type=media_type, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + **extra, + ) + + +def Depends( # noqa: N802 + dependency: Optional[Callable[..., Any]] = None, *, use_cache: bool = True +) -> Any: + return params.Depends(dependency=dependency, use_cache=use_cache) + + +def Security( # noqa: N802 + dependency: Optional[Callable[..., Any]] = None, + *, + scopes: Optional[Sequence[str]] = None, + use_cache: bool = True, +) -> Any: + return params.Security(dependency=dependency, scopes=scopes, use_cache=use_cache) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/params.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/params.py new file mode 100644 index 0000000..3cab98b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/params.py @@ -0,0 +1,370 @@ +from enum import Enum +from typing import Any, Callable, Dict, Optional, Sequence + +from pydantic.fields import FieldInfo, Undefined + + +class ParamTypes(Enum): + query = "query" + header = "header" + path = "path" + cookie = "cookie" + + +class Param(FieldInfo): + in_: ParamTypes + + def __init__( + self, + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, + ): + self.deprecated = deprecated + self.example = example + self.examples = examples + super().__init__( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + **extra, + ) + + def __repr__(self) -> str: + return f"{self.__class__.__name__}({self.default})" + + +class Path(Param): + in_ = ParamTypes.path + + def __init__( + self, + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, + ): + self.in_ = self.in_ + super().__init__( + ..., + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + deprecated=deprecated, + example=example, + examples=examples, + **extra, + ) + + +class Query(Param): + in_ = ParamTypes.query + + def __init__( + self, + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, + ): + super().__init__( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + deprecated=deprecated, + example=example, + examples=examples, + **extra, + ) + + +class Header(Param): + in_ = ParamTypes.header + + def __init__( + self, + default: Any, + *, + alias: Optional[str] = None, + convert_underscores: bool = True, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, + ): + self.convert_underscores = convert_underscores + super().__init__( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + deprecated=deprecated, + example=example, + examples=examples, + **extra, + ) + + +class Cookie(Param): + in_ = ParamTypes.cookie + + def __init__( + self, + default: Any, + *, + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + deprecated: Optional[bool] = None, + **extra: Any, + ): + super().__init__( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + deprecated=deprecated, + example=example, + examples=examples, + **extra, + ) + + +class Body(FieldInfo): + def __init__( + self, + default: Any, + *, + embed: bool = False, + media_type: str = "application/json", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, + ): + self.embed = embed + self.media_type = media_type + self.example = example + self.examples = examples + super().__init__( + default, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + **extra, + ) + + def __repr__(self) -> str: + return f"{self.__class__.__name__}({self.default})" + + +class Form(Body): + def __init__( + self, + default: Any, + *, + media_type: str = "application/x-www-form-urlencoded", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, + ): + super().__init__( + default, + embed=True, + media_type=media_type, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + **extra, + ) + + +class File(Form): + def __init__( + self, + default: Any, + *, + media_type: str = "multipart/form-data", + alias: Optional[str] = None, + title: Optional[str] = None, + description: Optional[str] = None, + gt: Optional[float] = None, + ge: Optional[float] = None, + lt: Optional[float] = None, + le: Optional[float] = None, + min_length: Optional[int] = None, + max_length: Optional[int] = None, + regex: Optional[str] = None, + example: Any = Undefined, + examples: Optional[Dict[str, Any]] = None, + **extra: Any, + ): + super().__init__( + default, + media_type=media_type, + alias=alias, + title=title, + description=description, + gt=gt, + ge=ge, + lt=lt, + le=le, + min_length=min_length, + max_length=max_length, + regex=regex, + example=example, + examples=examples, + **extra, + ) + + +class Depends: + def __init__( + self, dependency: Optional[Callable[..., Any]] = None, *, use_cache: bool = True + ): + self.dependency = dependency + self.use_cache = use_cache + + def __repr__(self) -> str: + attr = getattr(self.dependency, "__name__", type(self.dependency).__name__) + cache = "" if self.use_cache else ", use_cache=False" + return f"{self.__class__.__name__}({attr}{cache})" + + +class Security(Depends): + def __init__( + self, + dependency: Optional[Callable[..., Any]] = None, + *, + scopes: Optional[Sequence[str]] = None, + use_cache: bool = True, + ): + super().__init__(dependency=dependency, use_cache=use_cache) + self.scopes = scopes or [] diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/py.typed b/backend/mb-env/lib/python3.9/site-packages/fastapi/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/requests.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/requests.py new file mode 100644 index 0000000..d16552c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/requests.py @@ -0,0 +1,2 @@ +from starlette.requests import HTTPConnection as HTTPConnection # noqa: F401 +from starlette.requests import Request as Request # noqa: F401 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/responses.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/responses.py new file mode 100644 index 0000000..6cd7931 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/responses.py @@ -0,0 +1,34 @@ +from typing import Any + +from starlette.responses import FileResponse as FileResponse # noqa +from starlette.responses import HTMLResponse as HTMLResponse # noqa +from starlette.responses import JSONResponse as JSONResponse # noqa +from starlette.responses import PlainTextResponse as PlainTextResponse # noqa +from starlette.responses import RedirectResponse as RedirectResponse # noqa +from starlette.responses import Response as Response # noqa +from starlette.responses import StreamingResponse as StreamingResponse # noqa + +try: + import ujson +except ImportError: # pragma: nocover + ujson = None # type: ignore + + +try: + import orjson +except ImportError: # pragma: nocover + orjson = None # type: ignore + + +class UJSONResponse(JSONResponse): + def render(self, content: Any) -> bytes: + assert ujson is not None, "ujson must be installed to use UJSONResponse" + return ujson.dumps(content, ensure_ascii=False).encode("utf-8") + + +class ORJSONResponse(JSONResponse): + media_type = "application/json" + + def render(self, content: Any) -> bytes: + assert orjson is not None, "orjson must be installed to use ORJSONResponse" + return orjson.dumps(content) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/routing.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/routing.py new file mode 100644 index 0000000..0ad0823 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/routing.py @@ -0,0 +1,1143 @@ +import asyncio +import dataclasses +import email.message +import enum +import inspect +import json +from typing import ( + Any, + Callable, + Coroutine, + Dict, + List, + Optional, + Sequence, + Set, + Type, + Union, +) + +from fastapi import params +from fastapi.datastructures import Default, DefaultPlaceholder +from fastapi.dependencies.models import Dependant +from fastapi.dependencies.utils import ( + get_body_field, + get_dependant, + get_parameterless_sub_dependant, + solve_dependencies, +) +from fastapi.encoders import DictIntStrAny, SetIntStr, jsonable_encoder +from fastapi.exceptions import RequestValidationError, WebSocketRequestValidationError +from fastapi.openapi.constants import STATUS_CODES_WITH_NO_BODY +from fastapi.types import DecoratedCallable +from fastapi.utils import ( + create_cloned_field, + create_response_field, + generate_operation_id_for_path, + get_value_or_default, +) +from pydantic import BaseModel +from pydantic.error_wrappers import ErrorWrapper, ValidationError +from pydantic.fields import ModelField, Undefined +from starlette import routing +from starlette.concurrency import run_in_threadpool +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.responses import JSONResponse, Response +from starlette.routing import BaseRoute +from starlette.routing import Mount as Mount # noqa +from starlette.routing import ( + compile_path, + get_name, + request_response, + websocket_session, +) +from starlette.status import WS_1008_POLICY_VIOLATION +from starlette.types import ASGIApp +from starlette.websockets import WebSocket + + +def _prepare_response_content( + res: Any, + *, + exclude_unset: bool, + exclude_defaults: bool = False, + exclude_none: bool = False, +) -> Any: + if isinstance(res, BaseModel): + return res.dict( + by_alias=True, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + elif isinstance(res, list): + return [ + _prepare_response_content( + item, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + for item in res + ] + elif isinstance(res, dict): + return { + k: _prepare_response_content( + v, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + for k, v in res.items() + } + elif dataclasses.is_dataclass(res): + return dataclasses.asdict(res) + return res + + +async def serialize_response( + *, + field: Optional[ModelField] = None, + response_content: Any, + include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + by_alias: bool = True, + exclude_unset: bool = False, + exclude_defaults: bool = False, + exclude_none: bool = False, + is_coroutine: bool = True, +) -> Any: + if field: + errors = [] + response_content = _prepare_response_content( + response_content, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + if is_coroutine: + value, errors_ = field.validate(response_content, {}, loc=("response",)) + else: + value, errors_ = await run_in_threadpool( + field.validate, response_content, {}, loc=("response",) + ) + if isinstance(errors_, ErrorWrapper): + errors.append(errors_) + elif isinstance(errors_, list): + errors.extend(errors_) + if errors: + raise ValidationError(errors, field.type_) + return jsonable_encoder( + value, + include=include, + exclude=exclude, + by_alias=by_alias, + exclude_unset=exclude_unset, + exclude_defaults=exclude_defaults, + exclude_none=exclude_none, + ) + else: + return jsonable_encoder(response_content) + + +async def run_endpoint_function( + *, dependant: Dependant, values: Dict[str, Any], is_coroutine: bool +) -> Any: + # Only called by get_request_handler. Has been split into its own function to + # facilitate profiling endpoints, since inner functions are harder to profile. + assert dependant.call is not None, "dependant.call must be a function" + + if is_coroutine: + return await dependant.call(**values) + else: + return await run_in_threadpool(dependant.call, **values) + + +def get_request_handler( + dependant: Dependant, + body_field: Optional[ModelField] = None, + status_code: Optional[int] = None, + response_class: Union[Type[Response], DefaultPlaceholder] = Default(JSONResponse), + response_field: Optional[ModelField] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + dependency_overrides_provider: Optional[Any] = None, +) -> Callable[[Request], Coroutine[Any, Any, Response]]: + assert dependant.call is not None, "dependant.call must be a function" + is_coroutine = asyncio.iscoroutinefunction(dependant.call) + is_body_form = body_field and isinstance(body_field.field_info, params.Form) + if isinstance(response_class, DefaultPlaceholder): + actual_response_class: Type[Response] = response_class.value + else: + actual_response_class = response_class + + async def app(request: Request) -> Response: + try: + body: Any = None + if body_field: + if is_body_form: + body = await request.form() + else: + body_bytes = await request.body() + if body_bytes: + json_body: Any = Undefined + content_type_value = request.headers.get("content-type") + if not content_type_value: + json_body = await request.json() + else: + message = email.message.Message() + message["content-type"] = content_type_value + if message.get_content_maintype() == "application": + subtype = message.get_content_subtype() + if subtype == "json" or subtype.endswith("+json"): + json_body = await request.json() + if json_body != Undefined: + body = json_body + else: + body = body_bytes + except json.JSONDecodeError as e: + raise RequestValidationError([ErrorWrapper(e, ("body", e.pos))], body=e.doc) + except Exception as e: + raise HTTPException( + status_code=400, detail="There was an error parsing the body" + ) from e + solved_result = await solve_dependencies( + request=request, + dependant=dependant, + body=body, + dependency_overrides_provider=dependency_overrides_provider, + ) + values, errors, background_tasks, sub_response, _ = solved_result + if errors: + raise RequestValidationError(errors, body=body) + else: + raw_response = await run_endpoint_function( + dependant=dependant, values=values, is_coroutine=is_coroutine + ) + + if isinstance(raw_response, Response): + if raw_response.background is None: + raw_response.background = background_tasks + return raw_response + response_data = await serialize_response( + field=response_field, + response_content=raw_response, + include=response_model_include, + exclude=response_model_exclude, + by_alias=response_model_by_alias, + exclude_unset=response_model_exclude_unset, + exclude_defaults=response_model_exclude_defaults, + exclude_none=response_model_exclude_none, + is_coroutine=is_coroutine, + ) + response_args: Dict[str, Any] = {"background": background_tasks} + # If status_code was set, use it, otherwise use the default from the + # response class, in the case of redirect it's 307 + if status_code is not None: + response_args["status_code"] = status_code + response = actual_response_class(response_data, **response_args) + response.headers.raw.extend(sub_response.headers.raw) + if sub_response.status_code: + response.status_code = sub_response.status_code + return response + + return app + + +def get_websocket_app( + dependant: Dependant, dependency_overrides_provider: Optional[Any] = None +) -> Callable[[WebSocket], Coroutine[Any, Any, Any]]: + async def app(websocket: WebSocket) -> None: + solved_result = await solve_dependencies( + request=websocket, + dependant=dependant, + dependency_overrides_provider=dependency_overrides_provider, + ) + values, errors, _, _2, _3 = solved_result + if errors: + await websocket.close(code=WS_1008_POLICY_VIOLATION) + raise WebSocketRequestValidationError(errors) + assert dependant.call is not None, "dependant.call must be a function" + await dependant.call(**values) + + return app + + +class APIWebSocketRoute(routing.WebSocketRoute): + def __init__( + self, + path: str, + endpoint: Callable[..., Any], + *, + name: Optional[str] = None, + dependency_overrides_provider: Optional[Any] = None, + ) -> None: + self.path = path + self.endpoint = endpoint + self.name = get_name(endpoint) if name is None else name + self.dependant = get_dependant(path=path, call=self.endpoint) + self.app = websocket_session( + get_websocket_app( + dependant=self.dependant, + dependency_overrides_provider=dependency_overrides_provider, + ) + ) + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + + +class APIRoute(routing.Route): + def __init__( + self, + path: str, + endpoint: Callable[..., Any], + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + name: Optional[str] = None, + methods: Optional[Union[Set[str], List[str]]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Union[Type[Response], DefaultPlaceholder] = Default( + JSONResponse + ), + dependency_overrides_provider: Optional[Any] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> None: + # normalise enums e.g. http.HTTPStatus + if isinstance(status_code, enum.IntEnum): + status_code = int(status_code) + self.path = path + self.endpoint = endpoint + self.name = get_name(endpoint) if name is None else name + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + if methods is None: + methods = ["GET"] + self.methods: Set[str] = set([method.upper() for method in methods]) + self.unique_id = generate_operation_id_for_path( + name=self.name, path=self.path_format, method=list(methods)[0] + ) + self.response_model = response_model + if self.response_model: + assert ( + status_code not in STATUS_CODES_WITH_NO_BODY + ), f"Status code {status_code} must not have a response body" + response_name = "Response_" + self.unique_id + self.response_field = create_response_field( + name=response_name, type_=self.response_model + ) + # Create a clone of the field, so that a Pydantic submodel is not returned + # as is just because it's an instance of a subclass of a more limited class + # e.g. UserInDB (containing hashed_password) could be a subclass of User + # that doesn't have the hashed_password. But because it's a subclass, it + # would pass the validation and be returned as is. + # By being a new field, no inheritance will be passed as is. A new model + # will be always created. + self.secure_cloned_response_field: Optional[ + ModelField + ] = create_cloned_field(self.response_field) + else: + self.response_field = None # type: ignore + self.secure_cloned_response_field = None + self.status_code = status_code + self.tags = tags or [] + if dependencies: + self.dependencies = list(dependencies) + else: + self.dependencies = [] + self.summary = summary + self.description = description or inspect.cleandoc(self.endpoint.__doc__ or "") + # if a "form feed" character (page break) is found in the description text, + # truncate description text to the content preceding the first "form feed" + self.description = self.description.split("\f")[0] + self.response_description = response_description + self.responses = responses or {} + response_fields = {} + for additional_status_code, response in self.responses.items(): + assert isinstance(response, dict), "An additional response must be a dict" + model = response.get("model") + if model: + assert ( + additional_status_code not in STATUS_CODES_WITH_NO_BODY + ), f"Status code {additional_status_code} must not have a response body" + response_name = f"Response_{additional_status_code}_{self.unique_id}" + response_field = create_response_field(name=response_name, type_=model) + response_fields[additional_status_code] = response_field + if response_fields: + self.response_fields: Dict[Union[int, str], ModelField] = response_fields + else: + self.response_fields = {} + self.deprecated = deprecated + self.operation_id = operation_id + self.response_model_include = response_model_include + self.response_model_exclude = response_model_exclude + self.response_model_by_alias = response_model_by_alias + self.response_model_exclude_unset = response_model_exclude_unset + self.response_model_exclude_defaults = response_model_exclude_defaults + self.response_model_exclude_none = response_model_exclude_none + self.include_in_schema = include_in_schema + self.response_class = response_class + + assert callable(endpoint), "An endpoint must be a callable" + self.dependant = get_dependant(path=self.path_format, call=self.endpoint) + for depends in self.dependencies[::-1]: + self.dependant.dependencies.insert( + 0, + get_parameterless_sub_dependant(depends=depends, path=self.path_format), + ) + self.body_field = get_body_field(dependant=self.dependant, name=self.unique_id) + self.dependency_overrides_provider = dependency_overrides_provider + self.callbacks = callbacks + self.app = request_response(self.get_route_handler()) + self.openapi_extra = openapi_extra + + def get_route_handler(self) -> Callable[[Request], Coroutine[Any, Any, Response]]: + return get_request_handler( + dependant=self.dependant, + body_field=self.body_field, + status_code=self.status_code, + response_class=self.response_class, + response_field=self.secure_cloned_response_field, + response_model_include=self.response_model_include, + response_model_exclude=self.response_model_exclude, + response_model_by_alias=self.response_model_by_alias, + response_model_exclude_unset=self.response_model_exclude_unset, + response_model_exclude_defaults=self.response_model_exclude_defaults, + response_model_exclude_none=self.response_model_exclude_none, + dependency_overrides_provider=self.dependency_overrides_provider, + ) + + +class APIRouter(routing.Router): + def __init__( + self, + *, + prefix: str = "", + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + default_response_class: Type[Response] = Default(JSONResponse), + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + callbacks: Optional[List[BaseRoute]] = None, + routes: Optional[List[routing.BaseRoute]] = None, + redirect_slashes: bool = True, + default: Optional[ASGIApp] = None, + dependency_overrides_provider: Optional[Any] = None, + route_class: Type[APIRoute] = APIRoute, + on_startup: Optional[Sequence[Callable[[], Any]]] = None, + on_shutdown: Optional[Sequence[Callable[[], Any]]] = None, + deprecated: Optional[bool] = None, + include_in_schema: bool = True, + ) -> None: + super().__init__( + routes=routes, # type: ignore # in Starlette + redirect_slashes=redirect_slashes, + default=default, # type: ignore # in Starlette + on_startup=on_startup, # type: ignore # in Starlette + on_shutdown=on_shutdown, # type: ignore # in Starlette + ) + if prefix: + assert prefix.startswith("/"), "A path prefix must start with '/'" + assert not prefix.endswith( + "/" + ), "A path prefix must not end with '/', as the routes will start with '/'" + self.prefix = prefix + self.tags: List[str] = tags or [] + self.dependencies = list(dependencies or []) or [] + self.deprecated = deprecated + self.include_in_schema = include_in_schema + self.responses = responses or {} + self.callbacks = callbacks or [] + self.dependency_overrides_provider = dependency_overrides_provider + self.route_class = route_class + self.default_response_class = default_response_class + + def add_api_route( + self, + path: str, + endpoint: Callable[..., Any], + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[Union[Set[str], List[str]]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Union[Type[Response], DefaultPlaceholder] = Default( + JSONResponse + ), + name: Optional[str] = None, + route_class_override: Optional[Type[APIRoute]] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> None: + route_class = route_class_override or self.route_class + responses = responses or {} + combined_responses = {**self.responses, **responses} + current_response_class = get_value_or_default( + response_class, self.default_response_class + ) + current_tags = self.tags.copy() + if tags: + current_tags.extend(tags) + current_dependencies = self.dependencies.copy() + if dependencies: + current_dependencies.extend(dependencies) + current_callbacks = self.callbacks.copy() + if callbacks: + current_callbacks.extend(callbacks) + route = route_class( + self.prefix + path, + endpoint=endpoint, + response_model=response_model, + status_code=status_code, + tags=current_tags, + dependencies=current_dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=combined_responses, + deprecated=deprecated or self.deprecated, + methods=methods, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema and self.include_in_schema, + response_class=current_response_class, + name=name, + dependency_overrides_provider=self.dependency_overrides_provider, + callbacks=current_callbacks, + openapi_extra=openapi_extra, + ) + self.routes.append(route) + + def api_route( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + methods: Optional[List[str]] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + def decorator(func: DecoratedCallable) -> DecoratedCallable: + self.add_api_route( + path, + func, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=methods, + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + return func + + return decorator + + def add_api_websocket_route( + self, path: str, endpoint: Callable[..., Any], name: Optional[str] = None + ) -> None: + route = APIWebSocketRoute( + path, + endpoint=endpoint, + name=name, + dependency_overrides_provider=self.dependency_overrides_provider, + ) + self.routes.append(route) + + def websocket( + self, path: str, name: Optional[str] = None + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + def decorator(func: DecoratedCallable) -> DecoratedCallable: + self.add_api_websocket_route(path, func, name=name) + return func + + return decorator + + def include_router( + self, + router: "APIRouter", + *, + prefix: str = "", + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + default_response_class: Type[Response] = Default(JSONResponse), + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + callbacks: Optional[List[BaseRoute]] = None, + deprecated: Optional[bool] = None, + include_in_schema: bool = True, + ) -> None: + if prefix: + assert prefix.startswith("/"), "A path prefix must start with '/'" + assert not prefix.endswith( + "/" + ), "A path prefix must not end with '/', as the routes will start with '/'" + else: + for r in router.routes: + path = getattr(r, "path") + name = getattr(r, "name", "unknown") + if path is not None and not path: + raise Exception( + f"Prefix and path cannot be both empty (path operation: {name})" + ) + if responses is None: + responses = {} + for route in router.routes: + if isinstance(route, APIRoute): + combined_responses = {**responses, **route.responses} + use_response_class = get_value_or_default( + route.response_class, + router.default_response_class, + default_response_class, + self.default_response_class, + ) + current_tags = [] + if tags: + current_tags.extend(tags) + if route.tags: + current_tags.extend(route.tags) + current_dependencies: List[params.Depends] = [] + if dependencies: + current_dependencies.extend(dependencies) + if route.dependencies: + current_dependencies.extend(route.dependencies) + current_callbacks = [] + if callbacks: + current_callbacks.extend(callbacks) + if route.callbacks: + current_callbacks.extend(route.callbacks) + self.add_api_route( + prefix + route.path, + route.endpoint, + response_model=route.response_model, + status_code=route.status_code, + tags=current_tags, + dependencies=current_dependencies, + summary=route.summary, + description=route.description, + response_description=route.response_description, + responses=combined_responses, + deprecated=route.deprecated or deprecated or self.deprecated, + methods=route.methods, + operation_id=route.operation_id, + response_model_include=route.response_model_include, + response_model_exclude=route.response_model_exclude, + response_model_by_alias=route.response_model_by_alias, + response_model_exclude_unset=route.response_model_exclude_unset, + response_model_exclude_defaults=route.response_model_exclude_defaults, + response_model_exclude_none=route.response_model_exclude_none, + include_in_schema=route.include_in_schema + and self.include_in_schema + and include_in_schema, + response_class=use_response_class, + name=route.name, + route_class_override=type(route), + callbacks=current_callbacks, + openapi_extra=route.openapi_extra, + ) + elif isinstance(route, routing.Route): + methods = list(route.methods or []) # type: ignore # in Starlette + self.add_route( + prefix + route.path, + route.endpoint, + methods=methods, + include_in_schema=route.include_in_schema, + name=route.name, + ) + elif isinstance(route, APIWebSocketRoute): + self.add_api_websocket_route( + prefix + route.path, route.endpoint, name=route.name + ) + elif isinstance(route, routing.WebSocketRoute): + self.add_websocket_route( + prefix + route.path, route.endpoint, name=route.name + ) + for handler in router.on_startup: + self.add_event_handler("startup", handler) + for handler in router.on_shutdown: + self.add_event_handler("shutdown", handler) + + def get( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["GET"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def put( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["PUT"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def post( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["POST"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def delete( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["DELETE"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def options( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["OPTIONS"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def head( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["HEAD"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def patch( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["PATCH"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) + + def trace( + self, + path: str, + *, + response_model: Optional[Type[Any]] = None, + status_code: Optional[int] = None, + tags: Optional[List[str]] = None, + dependencies: Optional[Sequence[params.Depends]] = None, + summary: Optional[str] = None, + description: Optional[str] = None, + response_description: str = "Successful Response", + responses: Optional[Dict[Union[int, str], Dict[str, Any]]] = None, + deprecated: Optional[bool] = None, + operation_id: Optional[str] = None, + response_model_include: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_exclude: Optional[Union[SetIntStr, DictIntStrAny]] = None, + response_model_by_alias: bool = True, + response_model_exclude_unset: bool = False, + response_model_exclude_defaults: bool = False, + response_model_exclude_none: bool = False, + include_in_schema: bool = True, + response_class: Type[Response] = Default(JSONResponse), + name: Optional[str] = None, + callbacks: Optional[List[BaseRoute]] = None, + openapi_extra: Optional[Dict[str, Any]] = None, + ) -> Callable[[DecoratedCallable], DecoratedCallable]: + + return self.api_route( + path=path, + response_model=response_model, + status_code=status_code, + tags=tags, + dependencies=dependencies, + summary=summary, + description=description, + response_description=response_description, + responses=responses, + deprecated=deprecated, + methods=["TRACE"], + operation_id=operation_id, + response_model_include=response_model_include, + response_model_exclude=response_model_exclude, + response_model_by_alias=response_model_by_alias, + response_model_exclude_unset=response_model_exclude_unset, + response_model_exclude_defaults=response_model_exclude_defaults, + response_model_exclude_none=response_model_exclude_none, + include_in_schema=include_in_schema, + response_class=response_class, + name=name, + callbacks=callbacks, + openapi_extra=openapi_extra, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/__init__.py new file mode 100644 index 0000000..3aa6bf2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/__init__.py @@ -0,0 +1,15 @@ +from .api_key import APIKeyCookie as APIKeyCookie +from .api_key import APIKeyHeader as APIKeyHeader +from .api_key import APIKeyQuery as APIKeyQuery +from .http import HTTPAuthorizationCredentials as HTTPAuthorizationCredentials +from .http import HTTPBasic as HTTPBasic +from .http import HTTPBasicCredentials as HTTPBasicCredentials +from .http import HTTPBearer as HTTPBearer +from .http import HTTPDigest as HTTPDigest +from .oauth2 import OAuth2 as OAuth2 +from .oauth2 import OAuth2AuthorizationCodeBearer as OAuth2AuthorizationCodeBearer +from .oauth2 import OAuth2PasswordBearer as OAuth2PasswordBearer +from .oauth2 import OAuth2PasswordRequestForm as OAuth2PasswordRequestForm +from .oauth2 import OAuth2PasswordRequestFormStrict as OAuth2PasswordRequestFormStrict +from .oauth2 import SecurityScopes as SecurityScopes +from .open_id_connect_url import OpenIdConnect as OpenIdConnect diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/api_key.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/api_key.py new file mode 100644 index 0000000..36ab60e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/api_key.py @@ -0,0 +1,92 @@ +from typing import Optional + +from fastapi.openapi.models import APIKey, APIKeyIn +from fastapi.security.base import SecurityBase +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.status import HTTP_403_FORBIDDEN + + +class APIKeyBase(SecurityBase): + pass + + +class APIKeyQuery(APIKeyBase): + def __init__( + self, + *, + name: str, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.query}, name=name, description=description + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key: str = request.query_params.get(self.model.name) + if not api_key: + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return api_key + + +class APIKeyHeader(APIKeyBase): + def __init__( + self, + *, + name: str, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.header}, name=name, description=description + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key: str = request.headers.get(self.model.name) + if not api_key: + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return api_key + + +class APIKeyCookie(APIKeyBase): + def __init__( + self, + *, + name: str, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True + ): + self.model: APIKey = APIKey( + **{"in": APIKeyIn.cookie}, name=name, description=description + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + api_key = request.cookies.get(self.model.name) + if not api_key: + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return api_key diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/base.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/base.py new file mode 100644 index 0000000..c43555d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/base.py @@ -0,0 +1,6 @@ +from fastapi.openapi.models import SecurityBase as SecurityBaseModel + + +class SecurityBase: + model: SecurityBaseModel + scheme_name: str diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/http.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/http.py new file mode 100644 index 0000000..1b473c6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/http.py @@ -0,0 +1,165 @@ +import binascii +from base64 import b64decode +from typing import Optional + +from fastapi.exceptions import HTTPException +from fastapi.openapi.models import HTTPBase as HTTPBaseModel +from fastapi.openapi.models import HTTPBearer as HTTPBearerModel +from fastapi.security.base import SecurityBase +from fastapi.security.utils import get_authorization_scheme_param +from pydantic import BaseModel +from starlette.requests import Request +from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN + + +class HTTPBasicCredentials(BaseModel): + username: str + password: str + + +class HTTPAuthorizationCredentials(BaseModel): + scheme: str + credentials: str + + +class HTTPBase(SecurityBase): + def __init__( + self, + *, + scheme: str, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + self.model = HTTPBaseModel(scheme=scheme, description=description) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__( + self, request: Request + ) -> Optional[HTTPAuthorizationCredentials]: + authorization: str = request.headers.get("Authorization") + scheme, credentials = get_authorization_scheme_param(authorization) + if not (authorization and scheme and credentials): + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials) + + +class HTTPBasic(HTTPBase): + def __init__( + self, + *, + scheme_name: Optional[str] = None, + realm: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + self.model = HTTPBaseModel(scheme="basic", description=description) + self.scheme_name = scheme_name or self.__class__.__name__ + self.realm = realm + self.auto_error = auto_error + + async def __call__( # type: ignore + self, request: Request + ) -> Optional[HTTPBasicCredentials]: + authorization: str = request.headers.get("Authorization") + scheme, param = get_authorization_scheme_param(authorization) + if self.realm: + unauthorized_headers = {"WWW-Authenticate": f'Basic realm="{self.realm}"'} + else: + unauthorized_headers = {"WWW-Authenticate": "Basic"} + invalid_user_credentials_exc = HTTPException( + status_code=HTTP_401_UNAUTHORIZED, + detail="Invalid authentication credentials", + headers=unauthorized_headers, + ) + if not authorization or scheme.lower() != "basic": + if self.auto_error: + raise HTTPException( + status_code=HTTP_401_UNAUTHORIZED, + detail="Not authenticated", + headers=unauthorized_headers, + ) + else: + return None + try: + data = b64decode(param).decode("ascii") + except (ValueError, UnicodeDecodeError, binascii.Error): + raise invalid_user_credentials_exc + username, separator, password = data.partition(":") + if not separator: + raise invalid_user_credentials_exc + return HTTPBasicCredentials(username=username, password=password) + + +class HTTPBearer(HTTPBase): + def __init__( + self, + *, + bearerFormat: Optional[str] = None, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + self.model = HTTPBearerModel(bearerFormat=bearerFormat, description=description) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__( + self, request: Request + ) -> Optional[HTTPAuthorizationCredentials]: + authorization: str = request.headers.get("Authorization") + scheme, credentials = get_authorization_scheme_param(authorization) + if not (authorization and scheme and credentials): + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + if scheme.lower() != "bearer": + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, + detail="Invalid authentication credentials", + ) + else: + return None + return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials) + + +class HTTPDigest(HTTPBase): + def __init__( + self, + *, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + self.model = HTTPBaseModel(scheme="digest", description=description) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__( + self, request: Request + ) -> Optional[HTTPAuthorizationCredentials]: + authorization: str = request.headers.get("Authorization") + scheme, credentials = get_authorization_scheme_param(authorization) + if not (authorization and scheme and credentials): + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + if scheme.lower() != "digest": + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, + detail="Invalid authentication credentials", + ) + return HTTPAuthorizationCredentials(scheme=scheme, credentials=credentials) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/oauth2.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/oauth2.py new file mode 100644 index 0000000..bdc6e2e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/oauth2.py @@ -0,0 +1,220 @@ +from typing import Any, Dict, List, Optional, Union + +from fastapi.exceptions import HTTPException +from fastapi.openapi.models import OAuth2 as OAuth2Model +from fastapi.openapi.models import OAuthFlows as OAuthFlowsModel +from fastapi.param_functions import Form +from fastapi.security.base import SecurityBase +from fastapi.security.utils import get_authorization_scheme_param +from starlette.requests import Request +from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN + + +class OAuth2PasswordRequestForm: + """ + This is a dependency class, use it like: + + @app.post("/login") + def login(form_data: OAuth2PasswordRequestForm = Depends()): + data = form_data.parse() + print(data.username) + print(data.password) + for scope in data.scopes: + print(scope) + if data.client_id: + print(data.client_id) + if data.client_secret: + print(data.client_secret) + return data + + + It creates the following Form request parameters in your endpoint: + + grant_type: the OAuth2 spec says it is required and MUST be the fixed string "password". + Nevertheless, this dependency class is permissive and allows not passing it. If you want to enforce it, + use instead the OAuth2PasswordRequestFormStrict dependency. + username: username string. The OAuth2 spec requires the exact field name "username". + password: password string. The OAuth2 spec requires the exact field name "password". + scope: Optional string. Several scopes (each one a string) separated by spaces. E.g. + "items:read items:write users:read profile openid" + client_id: optional string. OAuth2 recommends sending the client_id and client_secret (if any) + using HTTP Basic auth, as: client_id:client_secret + client_secret: optional string. OAuth2 recommends sending the client_id and client_secret (if any) + using HTTP Basic auth, as: client_id:client_secret + """ + + def __init__( + self, + grant_type: str = Form(None, regex="password"), + username: str = Form(...), + password: str = Form(...), + scope: str = Form(""), + client_id: Optional[str] = Form(None), + client_secret: Optional[str] = Form(None), + ): + self.grant_type = grant_type + self.username = username + self.password = password + self.scopes = scope.split() + self.client_id = client_id + self.client_secret = client_secret + + +class OAuth2PasswordRequestFormStrict(OAuth2PasswordRequestForm): + """ + This is a dependency class, use it like: + + @app.post("/login") + def login(form_data: OAuth2PasswordRequestFormStrict = Depends()): + data = form_data.parse() + print(data.username) + print(data.password) + for scope in data.scopes: + print(scope) + if data.client_id: + print(data.client_id) + if data.client_secret: + print(data.client_secret) + return data + + + It creates the following Form request parameters in your endpoint: + + grant_type: the OAuth2 spec says it is required and MUST be the fixed string "password". + This dependency is strict about it. If you want to be permissive, use instead the + OAuth2PasswordRequestForm dependency class. + username: username string. The OAuth2 spec requires the exact field name "username". + password: password string. The OAuth2 spec requires the exact field name "password". + scope: Optional string. Several scopes (each one a string) separated by spaces. E.g. + "items:read items:write users:read profile openid" + client_id: optional string. OAuth2 recommends sending the client_id and client_secret (if any) + using HTTP Basic auth, as: client_id:client_secret + client_secret: optional string. OAuth2 recommends sending the client_id and client_secret (if any) + using HTTP Basic auth, as: client_id:client_secret + """ + + def __init__( + self, + grant_type: str = Form(..., regex="password"), + username: str = Form(...), + password: str = Form(...), + scope: str = Form(""), + client_id: Optional[str] = Form(None), + client_secret: Optional[str] = Form(None), + ): + super().__init__( + grant_type=grant_type, + username=username, + password=password, + scope=scope, + client_id=client_id, + client_secret=client_secret, + ) + + +class OAuth2(SecurityBase): + def __init__( + self, + *, + flows: Union[OAuthFlowsModel, Dict[str, Dict[str, Any]]] = OAuthFlowsModel(), + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: Optional[bool] = True + ): + self.model = OAuth2Model(flows=flows, description=description) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + authorization: str = request.headers.get("Authorization") + if not authorization: + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return authorization + + +class OAuth2PasswordBearer(OAuth2): + def __init__( + self, + tokenUrl: str, + scheme_name: Optional[str] = None, + scopes: Optional[Dict[str, str]] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + if not scopes: + scopes = {} + flows = OAuthFlowsModel(password={"tokenUrl": tokenUrl, "scopes": scopes}) + super().__init__( + flows=flows, + scheme_name=scheme_name, + description=description, + auto_error=auto_error, + ) + + async def __call__(self, request: Request) -> Optional[str]: + authorization: str = request.headers.get("Authorization") + scheme, param = get_authorization_scheme_param(authorization) + if not authorization or scheme.lower() != "bearer": + if self.auto_error: + raise HTTPException( + status_code=HTTP_401_UNAUTHORIZED, + detail="Not authenticated", + headers={"WWW-Authenticate": "Bearer"}, + ) + else: + return None + return param + + +class OAuth2AuthorizationCodeBearer(OAuth2): + def __init__( + self, + authorizationUrl: str, + tokenUrl: str, + refreshUrl: Optional[str] = None, + scheme_name: Optional[str] = None, + scopes: Optional[Dict[str, str]] = None, + description: Optional[str] = None, + auto_error: bool = True, + ): + if not scopes: + scopes = {} + flows = OAuthFlowsModel( + authorizationCode={ + "authorizationUrl": authorizationUrl, + "tokenUrl": tokenUrl, + "refreshUrl": refreshUrl, + "scopes": scopes, + } + ) + super().__init__( + flows=flows, + scheme_name=scheme_name, + description=description, + auto_error=auto_error, + ) + + async def __call__(self, request: Request) -> Optional[str]: + authorization: str = request.headers.get("Authorization") + scheme, param = get_authorization_scheme_param(authorization) + if not authorization or scheme.lower() != "bearer": + if self.auto_error: + raise HTTPException( + status_code=HTTP_401_UNAUTHORIZED, + detail="Not authenticated", + headers={"WWW-Authenticate": "Bearer"}, + ) + else: + return None # pragma: nocover + return param + + +class SecurityScopes: + def __init__(self, scopes: Optional[List[str]] = None): + self.scopes = scopes or [] + self.scope_str = " ".join(self.scopes) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/open_id_connect_url.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/open_id_connect_url.py new file mode 100644 index 0000000..dfe9f7b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/open_id_connect_url.py @@ -0,0 +1,34 @@ +from typing import Optional + +from fastapi.openapi.models import OpenIdConnect as OpenIdConnectModel +from fastapi.security.base import SecurityBase +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.status import HTTP_403_FORBIDDEN + + +class OpenIdConnect(SecurityBase): + def __init__( + self, + *, + openIdConnectUrl: str, + scheme_name: Optional[str] = None, + description: Optional[str] = None, + auto_error: bool = True + ): + self.model = OpenIdConnectModel( + openIdConnectUrl=openIdConnectUrl, description=description + ) + self.scheme_name = scheme_name or self.__class__.__name__ + self.auto_error = auto_error + + async def __call__(self, request: Request) -> Optional[str]: + authorization: str = request.headers.get("Authorization") + if not authorization: + if self.auto_error: + raise HTTPException( + status_code=HTTP_403_FORBIDDEN, detail="Not authenticated" + ) + else: + return None + return authorization diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/security/utils.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/utils.py new file mode 100644 index 0000000..2da0dd2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/security/utils.py @@ -0,0 +1,8 @@ +from typing import Tuple + + +def get_authorization_scheme_param(authorization_header_value: str) -> Tuple[str, str]: + if not authorization_header_value: + return "", "" + scheme, _, param = authorization_header_value.partition(" ") + return scheme, param diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/staticfiles.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/staticfiles.py new file mode 100644 index 0000000..299015d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/staticfiles.py @@ -0,0 +1 @@ +from starlette.staticfiles import StaticFiles as StaticFiles # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/templating.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/templating.py new file mode 100644 index 0000000..0cb8684 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/templating.py @@ -0,0 +1 @@ +from starlette.templating import Jinja2Templates as Jinja2Templates # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/testclient.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/testclient.py new file mode 100644 index 0000000..4012406 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/testclient.py @@ -0,0 +1 @@ +from starlette.testclient import TestClient as TestClient # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/types.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/types.py new file mode 100644 index 0000000..e0bca46 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/types.py @@ -0,0 +1,3 @@ +from typing import Any, Callable, TypeVar + +DecoratedCallable = TypeVar("DecoratedCallable", bound=Callable[..., Any]) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/utils.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/utils.py new file mode 100644 index 0000000..8913d85 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/utils.py @@ -0,0 +1,156 @@ +import functools +import re +from dataclasses import is_dataclass +from enum import Enum +from typing import Any, Dict, Optional, Set, Type, Union, cast + +import fastapi +from fastapi.datastructures import DefaultPlaceholder, DefaultType +from fastapi.openapi.constants import REF_PREFIX +from pydantic import BaseConfig, BaseModel, create_model +from pydantic.class_validators import Validator +from pydantic.fields import FieldInfo, ModelField, UndefinedType +from pydantic.schema import model_process_schema +from pydantic.utils import lenient_issubclass + + +def get_model_definitions( + *, + flat_models: Set[Union[Type[BaseModel], Type[Enum]]], + model_name_map: Dict[Union[Type[BaseModel], Type[Enum]], str], +) -> Dict[str, Any]: + definitions: Dict[str, Dict[str, Any]] = {} + for model in flat_models: + m_schema, m_definitions, m_nested_models = model_process_schema( + model, model_name_map=model_name_map, ref_prefix=REF_PREFIX + ) + definitions.update(m_definitions) + model_name = model_name_map[model] + definitions[model_name] = m_schema + return definitions + + +def get_path_param_names(path: str) -> Set[str]: + return set(re.findall("{(.*?)}", path)) + + +def create_response_field( + name: str, + type_: Type[Any], + class_validators: Optional[Dict[str, Validator]] = None, + default: Optional[Any] = None, + required: Union[bool, UndefinedType] = False, + model_config: Type[BaseConfig] = BaseConfig, + field_info: Optional[FieldInfo] = None, + alias: Optional[str] = None, +) -> ModelField: + """ + Create a new response field. Raises if type_ is invalid. + """ + class_validators = class_validators or {} + field_info = field_info or FieldInfo(None) + + response_field = functools.partial( + ModelField, + name=name, + type_=type_, + class_validators=class_validators, + default=default, + required=required, + model_config=model_config, + alias=alias, + ) + + try: + return response_field(field_info=field_info) + except RuntimeError: + raise fastapi.exceptions.FastAPIError( + f"Invalid args for response field! Hint: check that {type_} is a valid pydantic field type" + ) + + +def create_cloned_field( + field: ModelField, + *, + cloned_types: Optional[Dict[Type[BaseModel], Type[BaseModel]]] = None, +) -> ModelField: + # _cloned_types has already cloned types, to support recursive models + if cloned_types is None: + cloned_types = dict() + original_type = field.type_ + if is_dataclass(original_type) and hasattr(original_type, "__pydantic_model__"): + original_type = original_type.__pydantic_model__ + use_type = original_type + if lenient_issubclass(original_type, BaseModel): + original_type = cast(Type[BaseModel], original_type) + use_type = cloned_types.get(original_type) + if use_type is None: + use_type = create_model(original_type.__name__, __base__=original_type) + cloned_types[original_type] = use_type + for f in original_type.__fields__.values(): + use_type.__fields__[f.name] = create_cloned_field( + f, cloned_types=cloned_types + ) + new_field = create_response_field(name=field.name, type_=use_type) + new_field.has_alias = field.has_alias + new_field.alias = field.alias + new_field.class_validators = field.class_validators + new_field.default = field.default + new_field.required = field.required + new_field.model_config = field.model_config + new_field.field_info = field.field_info + new_field.allow_none = field.allow_none + new_field.validate_always = field.validate_always + if field.sub_fields: + new_field.sub_fields = [ + create_cloned_field(sub_field, cloned_types=cloned_types) + for sub_field in field.sub_fields + ] + if field.key_field: + new_field.key_field = create_cloned_field( + field.key_field, cloned_types=cloned_types + ) + new_field.validators = field.validators + new_field.pre_validators = field.pre_validators + new_field.post_validators = field.post_validators + new_field.parse_json = field.parse_json + new_field.shape = field.shape + new_field.populate_validators() + return new_field + + +def generate_operation_id_for_path(*, name: str, path: str, method: str) -> str: + operation_id = name + path + operation_id = re.sub("[^0-9a-zA-Z_]", "_", operation_id) + operation_id = operation_id + "_" + method.lower() + return operation_id + + +def deep_dict_update(main_dict: Dict[Any, Any], update_dict: Dict[Any, Any]) -> None: + for key in update_dict: + if ( + key in main_dict + and isinstance(main_dict[key], dict) + and isinstance(update_dict[key], dict) + ): + deep_dict_update(main_dict[key], update_dict[key]) + else: + main_dict[key] = update_dict[key] + + +def get_value_or_default( + first_item: Union[DefaultPlaceholder, DefaultType], + *extra_items: Union[DefaultPlaceholder, DefaultType], +) -> Union[DefaultPlaceholder, DefaultType]: + """ + Pass items or `DefaultPlaceholder`s by descending priority. + + The first one to _not_ be a `DefaultPlaceholder` will be returned. + + Otherwise, the first item (a `DefaultPlaceholder`) will be returned. + """ + items = (first_item,) + extra_items + for item in items: + if not isinstance(item, DefaultPlaceholder): + return item + return first_item diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi/websockets.py b/backend/mb-env/lib/python3.9/site-packages/fastapi/websockets.py new file mode 100644 index 0000000..bed672a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi/websockets.py @@ -0,0 +1,2 @@ +from starlette.websockets import WebSocket as WebSocket # noqa +from starlette.websockets import WebSocketDisconnect as WebSocketDisconnect # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/LICENSE new file mode 100755 index 0000000..48fcab7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2020 Sabuhi SHukurov + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/METADATA new file mode 100644 index 0000000..73f6560 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/METADATA @@ -0,0 +1,181 @@ +Metadata-Version: 2.1 +Name: fastapi-mail +Version: 0.4.1 +Summary: Simple lightwigh mail sending for FastApi +Home-page: https://github.com/sabuhish/fastapi-mail +Author: Sabuhi Shukurov +Author-email: sabuhi.shukurov@gmail.com +License: MIT +Platform: any +Classifier: Intended Audience :: Developers +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Description-Content-Type: text/markdown +Requires-Dist: fastapi (>=0.61.2) +Requires-Dist: jinja2 (>=2.11.2) +Requires-Dist: aiosmtplib (>=1.1.5) +Requires-Dist: python-multipart (>=0.0.5) +Requires-Dist: pydantic (>=1.7.1) +Requires-Dist: email-validator (>=1.1.1) +Requires-Dist: aioredis (>=1.3.1) +Requires-Dist: httpx (>=0.16.1) +Requires-Dist: blinker (>=1.4) +Requires-Dist: fakeredis (>=1.4.5) +Provides-Extra: docs +Requires-Dist: mkdocs (>=1.1.2) ; extra == 'docs' +Requires-Dist: mkdocs-material (>=6.1.5) ; extra == 'docs' +Requires-Dist: mkdocs-markdownextradata-plugin (>=0.1.9) ; extra == 'docs' +Provides-Extra: extra +Requires-Dist: blinker (>=1.4) ; extra == 'extra' +Provides-Extra: testing +Requires-Dist: pytest ; extra == 'testing' +Requires-Dist: pytest-asyncio ; extra == 'testing' +Requires-Dist: pytest-mock ; extra == 'testing' +Requires-Dist: pytest-cov ; extra == 'testing' + + +# Fastapi-mail + +The fastapi-mail simple lightweight mail system, sending emails and attachments(individual && bulk) + + +[![MIT licensed](https://img.shields.io/github/license/marlin-dev/fastapi-mail)](https://raw.githubusercontent.com/marlin-dev/fastapi-mail/master/LICENSE) +[![GitHub stars](https://img.shields.io/github/stars/marlin-dev/fastapi-mail.svg)](https://github.com/marlin-dev/fastapi-mail/stargazers) +[![GitHub forks](https://img.shields.io/github/forks/marlin-dev/fastapi-mail.svg)](https://github.com/marlin-dev/fastapi-mail/network) +[![GitHub issues](https://img.shields.io/github/issues-raw/marlin-dev/fastapi-mail)](https://github.com/marlin-dev/fastapi-mail/issues) +[![Downloads](https://pepy.tech/badge/fastapi-mail)](https://pepy.tech/project/fastapi-mail) + + +### 🔨 Installation ### + +```sh + $ pip install fastapi-mail +``` + +--- +**Documentation**: [FastApi-MAIL](https://sabuhish.github.io/fastapi-mail/) +--- + + +The key features are: + +- sending emails with either with FastApi or using asyncio module +- sending emails using FastApi background task managment +- sending files either from form-data or files from server +- Using Jinja2 HTML Templates +- email utils (utility allows you to check temporary email addresses, you can block any email or domain) +- email utils has two available classes ```DefaultChecker``` and ```WhoIsXmlApi``` +- Unittests using FastapiMail + +More information on [Getting-Started](https://sabuhish.github.io/fastapi-mail/getting-started.html) + + +### Guide + + +```python + +from fastapi import FastAPI, BackgroundTasks, UploadFile, File, Form +from starlette.responses import JSONResponse +from starlette.requests import Request +from fastapi_mail import FastMail, MessageSchema,ConnectionConfig +from pydantic import BaseModel, EmailStr +from typing import List + + + +class EmailSchema(BaseModel): + email: List[EmailStr] + + +conf = ConnectionConfig( + MAIL_USERNAME = "YourUsername", + MAIL_PASSWORD = "strong_password", + MAIL_FROM = "your@email.com", + MAIL_PORT = 587, + MAIL_SERVER = "your mail server", + MAIL_TLS = True, + MAIL_SSL = False, + USE_CREDENTIALS = True, + VALIDATE_CERTS = True +) + +app = FastAPI() + + +html = """ +

    Thanks for using Fastapi-mail

    +""" + + +@app.post("/email") +async def simple_send(email: EmailSchema) -> JSONResponse: + + message = MessageSchema( + subject="Fastapi-Mail module", + recipients=email.dict().get("email"), # List of recipients, as many as you can pass + body=html, + subtype="html" + ) + + fm = FastMail(conf) + await fm.send_message(message) + return JSONResponse(status_code=200, content={"message": "email has been sent"}) +``` + +## List of Examples + +For more examples of using fastapi-mail please check [example](https://sabuhish.github.io/fastapi-mail/example/) section + +# Contributing +Feel free to open issues and send pull requests. + + +## Contributors ✨ + +Thanks goes to these wonderful people ([🚧](https://sabuhish.github.io/fastapi-mail/example.html)): + + + + + + + + + + + + + + + + + + + + + + + + + +

    Sabuhi Shukurov
    💬 👀 🚧
    Tural Muradov
    📖 👀 🔧
    Hasan Aliyev
    📖 🚧 👀
    Ashwani
    🚧
    Leon Xu
    🚧
    Gabriel Oliveira
    📖 🚧
    Onothoja Marho
    📖 🚧 🔧

    Tim Kiely
    🚧
    Dmitriy Solodkiy
    🚧
    Peter Boers
    🚧
    James Valentine
    📖 🚧 🔧
    Gogoku
    📖 🚧 🔧
    Kucera-Lukas
    📖 🚧 🔧
    LLYX
    📖 🚧 🔧

    floodpants
    🚧
    + + +This project follows the [all-contributors](https://allcontributors.org) specification. +Contributions of any kind are welcome! + +Before you start please read [CONTRIBUTING](https://github.com/sabuhish/fastapi-mail/blob/master/CONTRIBUTING.md) + + + +## LICENSE + +[MIT](LICENSE) + + diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/RECORD new file mode 100644 index 0000000..5c08c33 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/RECORD @@ -0,0 +1,52 @@ +examples/__init__.py,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +examples/__pycache__/__init__.cpython-39.pyc,, +examples/__pycache__/application.cpython-39.pyc,, +examples/__pycache__/schema.cpython-39.pyc,, +examples/__pycache__/templates.cpython-39.pyc,, +examples/application.py,sha256=Gq1c3z5KeHq3OEYgYlb12yuMl5zMlUPkVBtX-ulY8o8,2110 +examples/schema.py,sha256=Iyt0ltCWbXp3aS3ITudI2phCA67fCZw-EbgvQIqOTwg,130 +examples/templates.py,sha256=bAAWCmM6kx8iiPUUeb8HT9PnAemxGfLky2FYTtf69zM,294 +fastapi_mail-0.4.1.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +fastapi_mail-0.4.1.dist-info/LICENSE,sha256=NakCDmv8D0hbgS5uC_x3yQeziV0JXi5PGy7fNknP-pY,1072 +fastapi_mail-0.4.1.dist-info/METADATA,sha256=mtwAAEiFlE32xY_G2RsoNTtmQL_LdL6AI4hhpgxvEyE,10005 +fastapi_mail-0.4.1.dist-info/RECORD,, +fastapi_mail-0.4.1.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +fastapi_mail-0.4.1.dist-info/WHEEL,sha256=OqRkF0eY5GHssMorFjlbTIq072vpHpF60fIQA6lS9xA,92 +fastapi_mail-0.4.1.dist-info/dependency_links.txt,sha256=Cw9pFdiTO1ZZDij6ObWmDRaUqILVJJ6aQiGluJzbM5c,120 +fastapi_mail-0.4.1.dist-info/top_level.txt,sha256=bJR7Xkg7qRMaBk7cldsdgDusLoCcknGllGk12_kcVz8,28 +fastapi_mail/__init__.py,sha256=UKLbkiD0iS7R-G9XDxLJW1YbirpRZVPU44pqYFey7bQ,377 +fastapi_mail/__pycache__/__init__.cpython-39.pyc,, +fastapi_mail/__pycache__/config.cpython-39.pyc,, +fastapi_mail/__pycache__/connection.cpython-39.pyc,, +fastapi_mail/__pycache__/errors.cpython-39.pyc,, +fastapi_mail/__pycache__/example.cpython-39.pyc,, +fastapi_mail/__pycache__/fastmail.cpython-39.pyc,, +fastapi_mail/__pycache__/msg.cpython-39.pyc,, +fastapi_mail/__pycache__/schemas.cpython-39.pyc,, +fastapi_mail/config.py,sha256=HGYrEA7mmpt2zndMQ7k5saHXAVZEBBfVGxtJLKuEgHI,1762 +fastapi_mail/connection.py,sha256=6FAnLnsqnMyme5E-Ga65bukiMPvDdVc2LHuWhtPKZaI,2108 +fastapi_mail/email_utils/__init__.py,sha256=8LVCZe57B5_-qcCpW4TqbfJaWaLomojd6MbYzpCO1_E,122 +fastapi_mail/email_utils/__pycache__/__init__.cpython-39.pyc,, +fastapi_mail/email_utils/__pycache__/email_check.cpython-39.pyc,, +fastapi_mail/email_utils/__pycache__/errors.cpython-39.pyc,, +fastapi_mail/email_utils/email_check.py,sha256=_Q2BEo2kj_7cuuN-H03xZXmSKraqXcAuRbAFtvh_1jo,15093 +fastapi_mail/email_utils/errors.py,sha256=3lh4h58zf3VzzWE_DZHOAkMjmVrl13HqRypO1NPlnfY,121 +fastapi_mail/errors.py,sha256=ifM6IiYxR6hbbCKMNmo2logjyca73c71EfuOy6Wztkc,450 +fastapi_mail/example.py,sha256=H1bWj4CJIH0HxXmSySZWum0Ji42D1hc311X3y70wlYA,718 +fastapi_mail/fastmail.py,sha256=e3jFp6Sg2N--Y7L720b2KlD6a5dojlY1I4jKpdcqq1o,3853 +fastapi_mail/msg.py,sha256=0jceX1Yv_Z1p-FSamWF3N9q1Z7BSz6lcgEsRojUGGFw,3854 +fastapi_mail/schemas.py,sha256=gUN3yIrKFupjs0CnDQPgjHiVI2XFwFtCjpHaA858UBo,2531 +tests/__init__.py,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +tests/__pycache__/__init__.cpython-39.pyc,, +tests/__pycache__/conftest.cpython-39.pyc,, +tests/__pycache__/test_checker.cpython-39.pyc,, +tests/__pycache__/test_connection.cpython-39.pyc,, +tests/__pycache__/test_fastapi_mail.cpython-39.pyc,, +tests/__pycache__/test_message.cpython-39.pyc,, +tests/__pycache__/test_redis_config.cpython-39.pyc,, +tests/conftest.py,sha256=cFgPoJA5G9mqY1Z10eg1U2wXOlbgp1f_FmVMLCt5_RY,1132 +tests/test_checker.py,sha256=8rKAwAnTUut5s8_sdnv8o6n6gs0HmkWq_jmt8XkYJ7g,1711 +tests/test_connection.py,sha256=tPBDpknyES648AfvqUjYG5lRdfnoo3ibDnIl_x65pJk,4387 +tests/test_fastapi_mail.py,sha256=dNeak77wKl1HuCZQhz75uSOACIjfD_CafivvsH9nnLM,221 +tests/test_message.py,sha256=Gtb1C1ZoCj4Z86qcF4zD9sD-MtzOukHJK4hIe1Cg1I8,3919 +tests/test_redis_config.py,sha256=B4BpyfrEveLW-evNzNFB91c2nifUccubP2uL2T8PSO8,1275 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/dependency_links.txt b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/dependency_links.txt new file mode 100644 index 0000000..b68755d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/dependency_links.txt @@ -0,0 +1 @@ +https://github.com/cole/aiosmtplib/archive/e8e5ea5acb959f374909dd7961fab865473dbc80.zip#egg=aiosmtplib-1.1.4+gite8e5ea5 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/top_level.txt new file mode 100644 index 0000000..6123dd4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail-0.4.1.dist-info/top_level.txt @@ -0,0 +1,3 @@ +examples +fastapi_mail +tests diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/__init__.py new file mode 100644 index 0000000..550d9cb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/__init__.py @@ -0,0 +1,20 @@ + +from fastapi_mail.fastmail import FastMail +from fastapi_mail.config import ConnectionConfig +from fastapi_mail.schemas import MessageSchema,MultipartSubtypeEnum +from . import email_utils + +import sys + + + +__version__ = "0.4.1" + + +__author__ = "sabuhi.shukurov@gmail.com" + + + +__all__ = [ + "FastMail", "ConnectionConfig", "MessageSchema", "email_utils", "MultipartSubtypeEnum" +] diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/config.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/config.py new file mode 100644 index 0000000..f25585c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/config.py @@ -0,0 +1,56 @@ +import os +from pathlib import Path +from typing import Optional + +from pydantic import BaseSettings as Settings, conint +from pydantic import EmailStr, validator, DirectoryPath +from jinja2 import Environment, FileSystemLoader + +from fastapi_mail.errors import TemplateFolderDoesNotExist + + +class ConnectionConfig(Settings): + MAIL_USERNAME: str + MAIL_PASSWORD: str + MAIL_PORT: int = 465 + MAIL_SERVER: str + MAIL_TLS: bool = False + MAIL_SSL: bool = True + MAIL_DEBUG: conint(gt=-1, lt=2) = 0 + MAIL_FROM: EmailStr + MAIL_FROM_NAME: Optional[str] = None + TEMPLATE_FOLDER: Optional[DirectoryPath] = None + SUPPRESS_SEND: conint(gt=-1, lt=2) = 0 + USE_CREDENTIALS: bool = True + VALIDATE_CERTS: bool = True + + @validator("TEMPLATE_FOLDER") + def template_folder_validator(cls, v): + """Validate the template folder directory.""" + if not v: + return + if not os.access(str(v), os.R_OK) or not path_traversal(v): + raise TemplateFolderDoesNotExist( + f"{v!r} is not a valid path to an email template folder" + ) + return v + + def template_engine(self) -> Environment: + """Return template environment.""" + folder = self.TEMPLATE_FOLDER + if not folder: + raise ValueError( + "Class initialization did not include a ``TEMPLATE_FOLDER`` ``PathLike`` object." + ) + template_env = Environment(loader=FileSystemLoader(folder)) + return template_env + + +def path_traversal(fp: Path): + """Check for path traversal vulnerabilities.""" + base = Path(__file__).parent.parent + try: + base.joinpath(fp).resolve().relative_to(base.resolve()) + except ValueError: + return False + return True diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/connection.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/connection.py new file mode 100644 index 0000000..d68f339 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/connection.py @@ -0,0 +1,51 @@ +import aiosmtplib + +from pydantic import BaseSettings as Settings +from fastapi_mail.config import ConnectionConfig +from fastapi_mail.errors import ConnectionErrors, PydanticClassRequired + + +class Connection: + ''' + Manages Connection to provided email service with its credentials + ''' + + def __init__(self, settings: ConnectionConfig): + + if not issubclass(settings.__class__, Settings): + raise PydanticClassRequired('''Email configuruation should be provided from ConnectionConfig class, check example below: + \nfrom fastmail import ConnectionConfig \nconf = Connection(\nMAIL_USERNAME = "your_username",\nMAIL_PASSWORD = "your_pass",\nMAIL_FROM = "your_from_email",\nMAIL_PORT = 587,\nMAIL_SERVER = "email_service",\nMAIL_TLS = True,\nMAIL_SSL = False) + ''') + + self.settings = settings.dict() + + async def __aenter__(self): # setting up a connection + await self._configure_connection() + return self + + async def __aexit__(self, exc_type, exc, tb): # closing the connection + if not self.settings.get("SUPPRESS_SEND"): # for test environ + await self.session.quit() + + async def _configure_connection(self): + try: + self.session = aiosmtplib.SMTP( + hostname=self.settings.get("MAIL_SERVER"), + port=self.settings.get("MAIL_PORT"), + use_tls=self.settings.get("MAIL_SSL"), + start_tls=self.settings.get("MAIL_TLS"), + validate_certs=self.settings.get("VALIDATE_CERTS") + ) + + if not self.settings.get("SUPPRESS_SEND"): # for test environ + await self.session.connect() + + if self.settings.get("USE_CREDENTIALS"): + await self.session.login( + self.settings.get("MAIL_USERNAME"), + self.settings.get("MAIL_PASSWORD") + ) + + except Exception as error: + raise ConnectionErrors( + f"Exception raised {error}, check your credentials or email service configuration") diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/__init__.py new file mode 100644 index 0000000..6f90253 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/__init__.py @@ -0,0 +1,4 @@ +from fastapi_mail.email_utils.email_check import DefaultChecker, WhoIsXmlApi + + +__all__ = ["DefaultChecker", "WhoIsXmlApi"] \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/email_check.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/email_check.py new file mode 100644 index 0000000..d36a081 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/email_check.py @@ -0,0 +1,424 @@ +import dns.resolver +import dns.exception +import httpx +import inspect +import aioredis +from .errors import ApiError, DBProvaiderError +from pydantic import EmailStr +from abc import ABC, abstractmethod + + +class AbstractEmailChecker(ABC): + @abstractmethod + def validate_email(self): + pass + + @abstractmethod + def is_dispasoble(self): + pass + + @abstractmethod + def check_mx_record(self): + pass + + @abstractmethod + def blacklist_add_email(self): + pass + + @abstractmethod + def blacklist_add_domain(self): + pass + + @abstractmethod + def add_temp_domain(self): + pass + + @abstractmethod + def is_blocked_domain(self): + pass + + @abstractmethod + def is_blocked_address(self): + pass + + @abstractmethod + def catch_all_check(self): + pass + + +class DefaultChecker(AbstractEmailChecker): + + """ + Default class for checking email from collected public resource. + The class makes it possible to use redis to save data. + ``` + :param source(optional): source for collected email data. + :param db_provider: switch to redis + + example: + from email_utils import DefaultChecker + import asyncio + + a = DefaultChecker(db_provider="redis") # if you use redis + loop = asyncio.get_event_loop() + loop.run_until_complete(a.init_redis()) # Connect to redis and create default values + ``` + """ + TEMP_EMAIL_DOMAINS = [] + BLOCKED_DOMAINS = set() + BLOCKED_ADDRESSES = set() + + def __init__( + self, + source: str = None, + db_provider: str = None, + *, + redis_host: str = "redis://localhost", + redis_port: str = 6379, + redis_db: int = 0, + redis_pass: str = None, + **options: dict, + ): + + self.source = ( + source + or "https://gist.githubusercontent.com/Turall/3f32cb57270aed30d0c7f5e0800b2a92/raw/dcd9b47506e9da26d5772ccebf6913343e53cec9/temporary-email-address-domains" + ) + self.redis_enabled = False + + if db_provider == "redis": + self.redis_enabled = True + self.redis_host = redis_host + self.redis_port = redis_port + self.redis_db = redis_db + self.redis_pass = redis_pass + self.options = options + self.redis_error_msg = "redis is not connected" + + def catch_all_check(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) + + async def init_redis(self): + if not self.redis_enabled: + raise DBProvaiderError(self.redis_error_msg) + if not hasattr(self, "redis_client"): + self.redis_client = await aioredis.create_redis_pool( + address=f"{self.redis_host}:{self.redis_port}", + db=self.redis_db, + password=self.redis_pass, + encoding="UTF-8", + **self.options + ) + + temp_counter = await self.redis_client.get("temp_counter") + domain_counter = await self.redis_client.get("domain_counter") + blocked_emails = await self.redis_client.get("email_counter") + + if not temp_counter: + await self.redis_client.set("temp_counter", 0) + if not domain_counter: + await self.redis_client.set("domain_counter", 0) + if not blocked_emails: + await self.redis_client.set("email_counter", 0) + temp_domains = await self.fetch_temp_email_domains() + check_key = await self.redis_client.hgetall("temp_domains") + if not check_key: + kwargs = {domain: await self.redis_client.incr("temp_counter") for domain in temp_domains} + await self.redis_client.hmset_dict("temp_domains", kwargs) + + return True + + def validate_email(self, email: str): + """ Validate email address """ + if EmailStr.validate(email): + return True + + async def fetch_temp_email_domains(self): + """ Async request to source param resource """ + async with httpx.AsyncClient() as client: + response = await client.get(self.source) + if self.redis_enabled: + return response.text.split("\n") + + self.TEMP_EMAIL_DOMAINS.extend(response.text.split("\n")) + + async def blacklist_add_domain(self, domain: str): + """ Add domain to blacklist """ + if self.redis_enabled: + result = await self.redis_client.hget("blocked_domains", domain) + if not result: + incr = await self.redis_client.incr("domain_counter") + await self.redis_client.hset("blocked_domains", domain, incr) + else: + self.BLOCKED_DOMAINS.add(domain) + + return True + + async def blacklist_rm_domain(self, domain: str): + if self.redis_enabled: + res = await self.redis_client.hdel("blocked_domains", domain) + if res: + await self.redis_client.decr("domain_counter") + else: + self.BLOCKED_DOMAINS.remove(domain) + return True + + async def blacklist_add_email(self, email: str): + """ Add email address to blacklist """ + if self.validate_email(email): + if self.redis_enabled: + blocked_domain = await self.redis_client.hget("blocked_emails", email) + if not blocked_domain: + inc = await self.redis_client.incr("email_counter") + await self.redis_client.hset("blocked_emails", email, inc) + else: + self.BLOCKED_ADDRESSES.add(email) + return True + + async def blacklist_rm_email(self, email: str): + if self.redis_enabled: + res = await self.redis_client.hdel("blocked_emails", email) + if res: + await self.redis_client.decr("email_counter") + else: + self.BLOCKED_ADDRESSES.remove(email) + return True + + async def add_temp_domain(self, domain_lists: list): + """ Manually add temporary email """ + if self.redis_enabled: + for domain in domain_lists: + temp_email = await self.redis_client.hget("temp_domains", domain) + if not temp_email: + incr = await self.redis_client.incr("temp_counter") + await self.redis_client.hset("temp_domains", domain, incr) + else: + self.TEMP_EMAIL_DOMAINS.extend(domain_lists) + return True + + async def blacklist_rm_temp(self, domain: str): + if self.redis_enabled: + res = await self.redis_client.hdel("temp_domains", domain) + if res: + await self.redis_client.decr("temp_counter") + else: + self.TEMP_EMAIL_DOMAINS.remove(domain) + return True + + async def is_dispasoble(self, email: str): + """ Check email address is temporary or not """ + if self.validate_email(email): + _, domain = email.split("@") + result = None + if self.redis_enabled: + result = await self.redis_client.hget("temp_domains", domain) + return bool(result) + return domain in self.TEMP_EMAIL_DOMAINS + + async def is_blocked_domain(self, domain: str): + """ Check blocked email domain""" + if not self.redis_enabled: + return domain in self.BLOCKED_DOMAINS + + blocked_email = await self.redis_client.hget("blocked_domains", domain) + return bool(blocked_email) + + async def is_blocked_address(self, email: str): + """ Check blocked email address""" + if self.validate_email(email): + if not self.redis_enabled: + return email in self.BLOCKED_ADDRESSES + + blocked_domain = await self.redis_client.hget("blocked_emails", email) + return bool(blocked_domain) + + async def check_mx_record(self, domain: str, full_result: bool = False): + """ Check domain MX records """ + + try: + mx_records = dns.resolver.resolve(domain, "MX") + return ( + {"port": mx_records.port, "nameserver": mx_records.nameserver} + if full_result + else True + ) + except ( + dns.resolver.NXDOMAIN, + dns.resolver.NoAnswer, + dns.resolver.NoNameservers, + dns.exception.Timeout, + ): + + return False + + async def blocked_email_count(self): + """ count all blocked emails in redis """ + if self.redis_enabled: + return await self.redis_client.get("email_counter") + return len(self.BLOCKED_ADDRESSES) + + async def blocked_domain_count(self): + """ count all blocked domains in redis """ + if self.redis_enabled: + return await self.redis_client.get("domain_counter") + return len(self.BLOCKED_DOMAINS) + + async def temp_email_count(self): + """ count all temporary emails in redis """ + if self.redis_enabled: + return await self.redis_client.get("temp_counter") + return len(self.TEMP_EMAIL_DOMAINS) + + async def close_connections(self): + """ for correctly close connection from redis """ + if self.redis_enabled: + self.redis_client.close() + await self.redis_client.wait_closed() + return True + raise DBProvaiderError(self.redis_error_msg) + + +class WhoIsXmlApi: + """ + WhoIsXmlApi class provide working with api https://www.whoisxmlapi.com/ . + This service gives free 1000 request to checking email address per month + ``` + :param token: token you can get from this https://www.whoisxmlapi.com/ link + :param email: email for checking + + example: + from email_utils import WhoIsXmlApi + + who_is = WhoIsXmlApi(token="Your access token", email = "your@mailaddress.com") + + print(who_is.smtp_check_()) # check smtp server + print(who_is.is_dispasoble()) # check email is disposable or not + print(who_is.check_mx_record()) # check domain mx records + print(who_is.free_check()) # check email domain is free or not + ``` + """ + + def __init__(self, token: str, email: str): + self.token = token + self.validate_email(email) + self.email = email + self.smtp_check = bool() + self.dns_check = bool() + self.free_check = bool() + self.disposable = bool() + self.catch_all = bool() + self.mx_records = [] + self.host = "https://emailverification.whoisxmlapi.com/api/v1" + + async def fetch_info(self): + async with httpx.AsyncClient() as client: + params = {"apiKey": self.token, "emailAddress": self.email} + response = await client.get(self.host, params=params) + + if response.status_code == 200: + data = response.json + self.smtp_check = data["smtpCheck"] + self.dns_check = data["dnsCheck"] + self.free_check = data["freeCheck"] + self.disposable = data["disposableCheck"] + self.catch_all = data["catchAllCheck"] + self.mx_records = data["mxRecords"] + + return True + + raise ApiError( + "Response status code is {}, error msg {}".format( + response.status_code, response.text + ) + ) + + def validate_email(self, email: str): + """ Validate email address """ + if EmailStr.validate(email): + return True + + def catch_all_check(self): + """ + Tells you whether or not this mail server has a “catch-all” address. + This refers to a special type of address that can receive emails for any number of non-existent email addresses + under a particular domain. Catch-all addresses are common in businesses where if you send an email to test@hi.com and + another email to non-existent test2@hi.com, both of those emails will go into the same inbox. + Possible values are 'true' or 'false'. May be 'null' for invalid or non-existing emails. + + """ + return self.catch_all + + def smtp_check_(self): + """ + Checks if the email address exists and + can receive emails by using SMTP connection and + email-sending emulation techniques. + This value will be 'true' if the email address exists and + can receive email over SMTP, and 'false' if the email address does not exist + on the target SMTP server or temporarily couldn't receive messages. + The value will be null if the SMTP request could not be completed, + mailbox verification is not supported on the target mailbox provider, or not applicable. + + """ + return self.smtp_check + + def is_dispasoble(self): + """ + Tells you whether or not the email address is disposable (created via a service like Mailinator). + This helps you check for abuse. This value will be 'false' if the email is not disposable, and 'true' otherwise. + May be 'null' for invalid or non-existing emails. + + """ + return self.disposable + + def check_mx_record(self): + """ + Mail servers list. + May be absent for invalid or non-existing emails. + """ + return self.mx_records + + def check_dns(self): + """ + Ensures that the domain in the email address, eg: gmail.com, is a valid domain. + This value will be 'true' if the domain is good and 'false' otherwise. + May be 'null' for invalid or non-existing emails. + + """ + return self.dns_check + + def check_free(self): + """ + Check to see if the email address is from a free email provider like Gmail or not. + This value will be 'false' if the email address is not free, and 'true' otherwise. + May be 'null' for invalid or non-existing emails. + + """ + return self.free_check + + def blacklist_add_email(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) + + def blacklist_add_domain(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) + + def add_temp_domain(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) + + def is_blocked_domain(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) + + def is_blocked_address(self): + raise NotImplementedError( + f"Func named {inspect.currentframe().f_code.co_name} not implemented for class {self.__class__.__name__}" + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/errors.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/errors.py new file mode 100644 index 0000000..1114ca4 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/email_utils/errors.py @@ -0,0 +1,8 @@ +class InvalidEmail(Exception): + pass + +class ApiError(Exception): + pass + +class DBProvaiderError(Exception): + pass \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/errors.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/errors.py new file mode 100644 index 0000000..5e78f10 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/errors.py @@ -0,0 +1,22 @@ +class ConnectionErrors(Exception): + + def __init__(self, expression): + self.expression = expression + + +class WrongFile(Exception): + + def __init__(self, expression): + self.expression = expression + + +class PydanticClassRequired(Exception): + + def __init__(self, expression): + self.expression = expression + + +class TemplateFolderDoesNotExist(Exception): + + def __init__(self, expression): + self.expression = expression diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/example.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/example.py new file mode 100644 index 0000000..97c3d42 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/example.py @@ -0,0 +1,18 @@ +from fastapi_mail.email_utils import DefaultChecker, WhoIsXmlApi +import asyncio + +checker = DefaultChecker(db_provaider="redis") +loop = asyncio.get_event_loop() +loop.run_until_complete(checker.init_redis()) +res = loop.run_until_complete(checker.blacklist_rm_temp("promail1.net")) +print(res) +res = loop.run_until_complete(checker.temp_email_count()) +loop.run_until_complete(checker.close_connections()) + + +who_is = WhoIsXmlApi(token="Your access token", email = "your@mailaddress.com") + +print(who_is.smtp_check_()) # check smtp server +print(who_is.is_dispasoble()) # check email is disposable or not +print(who_is.check_mx_record()) # check domain mx records +print(who_is.free_check) # check email domain is free or not diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/fastmail.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/fastmail.py new file mode 100644 index 0000000..33ecefa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/fastmail.py @@ -0,0 +1,108 @@ +from contextlib import contextmanager + +import blinker +from pydantic import BaseModel + +from fastapi_mail.config import ConnectionConfig +from fastapi_mail.connection import Connection +from fastapi_mail.schemas import MessageSchema +from fastapi_mail.msg import MailMsg +from fastapi_mail.errors import PydanticClassRequired + + +class _MailMixin: + @contextmanager + def record_messages(self): + """Records all messages. Use in unit tests for example:: + with mail.record_messages() as outbox: + response = app.test_client.get("/email-sending-view/") + assert len(outbox) == 1 + assert outbox[0].subject == "testing" + You must have blinker installed in order to use this feature. + :versionadded: 0.4 + """ + + if not email_dispatched: + raise RuntimeError("blinker must be installed") + + outbox = [] + + def _record(message): + outbox.append(message) + + email_dispatched.connect(_record) + + try: + yield outbox + finally: + email_dispatched.disconnect(_record) + + +class FastMail(_MailMixin): + """ + Fastapi mail system sending mails(individual, bulk) attachments(individual, bulk) + + :param config: Connection config to be passed + + """ + + def __init__(self, + config: ConnectionConfig + ): + + self.config = config + + async def get_mail_template(self, env_path, template_name): + return env_path.get_template(template_name) + + @staticmethod + def make_dict(data): + try: + return dict(data) + except ValueError: + raise ValueError(f"Unable to build template data dictionary - {type(data)} is an invalid source data type") + + async def __prepare_message(self, message: MessageSchema, template=None): + if template is not None: + template_body = message.template_body + if template_body and not message.html: + template_data = self.make_dict(template_body) + message.template_body = template.render(**template_data) + message.subtype = "html" + elif message.html: + template_data = self.make_dict(message.html) + message.html = template.render(**template_data) + + msg = MailMsg(**message.dict()) + if self.config.MAIL_FROM_NAME is not None: + sender = f"{self.config.MAIL_FROM_NAME} <{self.config.MAIL_FROM}>" + else: + sender = self.config.MAIL_FROM + return await msg._message(sender) + + async def send_message(self, message: MessageSchema, template_name=None): + + if not issubclass(message.__class__, BaseModel): + raise PydanticClassRequired('''Message schema should be provided from MessageSchema class, check example below: + \nfrom fastmail import MessageSchema \nmessage = MessageSchema(\nsubject = "subject",\nrecipients = ["list_of_recipients"],\nbody = "Hello World",\ncc = ["list_of_recipients"],\nbcc = ["list_of_recipients"],\nreply_to = ["list_of_recipients"],\nsubtype = "plain") + ''') + + if self.config.TEMPLATE_FOLDER and template_name: + template = await self.get_mail_template(self.config.template_engine(), template_name) + msg = await self.__prepare_message(message, template) + else: + msg = await self.__prepare_message(message) + + async with Connection(self.config) as session: + if not self.config.SUPPRESS_SEND: + await session.session.send_message(msg) + + email_dispatched.send(msg) + + +signals = blinker.Namespace() + +email_dispatched = signals.signal("email-dispatched", doc=""" +Signal sent when an email is dispatched. This signal will also be sent +in testing mode, even though the email will not actually be sent. +""") diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/msg.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/msg.py new file mode 100644 index 0000000..388552a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/msg.py @@ -0,0 +1,123 @@ +import time +import sys +import warnings +from email.mime.text import MIMEText +from email.mime.base import MIMEBase +from email.mime.multipart import MIMEMultipart +from email.utils import formatdate, make_msgid +from email.encoders import encode_base64 + +PY3 = sys.version_info[0] == 3 + + +class MailMsg: + """ + Preaparation of class for email text + + :param subject: email subject header + :param recipients: list of email addresses + :param body: plain text message + :param template_body: Data to pass into chosen Jinja2 template + :param html: HTML message + :param subtype: type of body parameter - "plain" or "html". Ignored if + the html parameter is explicitly specified + :param sender: email sender address + :param cc: CC list + :param bcc: BCC list + :param reply_to: Reply-To list + :param attachments: list of Attachment instances + :param multipart_subtype: MultipartSubtypeEnum instance. Determines the + nature of the parts of the message and their relationship to each other + according to the MIME standard + """ + + def __init__(self, **entries): + self.__dict__.update(entries) + self.msgId = make_msgid() + + def _mimetext(self, text, subtype="plain"): + """Creates a MIMEText object""" + + return MIMEText(text, _subtype=subtype, _charset=self.charset) + + async def attach_file(self, message, attachment): + + print(attachment) + + for file in attachment: + + part = MIMEBase(_maintype="application", _subtype="octet-stream") + + part.set_payload(await file.read()) + encode_base64(part) + + filename = file.filename + + try: + filename and filename.encode('ascii') + except UnicodeEncodeError: + if not PY3: + filename = filename.encode('utf8') + + filename = ('UTF8', '', filename) + + part.add_header( + 'Content-Disposition', + "attachment", + filename=filename) + + self.message.attach(part) + + async def _message(self, sender): + """Creates the email message""" + + self.message = MIMEMultipart(self.multipart_subtype.value) + + self.message.set_charset(self.charset) + self.message['Date'] = formatdate(time.time(), localtime=True) + self.message['Message-ID'] = self.msgId + self.message["To"] = ', '.join(self.recipients) + self.message["From"] = sender + + if self.subject: + self.message["Subject"] = (self.subject) + + if self.cc: + self.message["Cc"] = ', '.join(self.cc) + + if self.bcc: + self.message["Bcc"] = ', '.join(self.bcc) + + if self.reply_to: + self.message["Reply-To"] = ', '.join(self.reply_to) + + if self.body: + self.message.attach(self._mimetext(self.body)) + + if self.template_body or self.body: + if not self.html and self.subtype == 'html': + if self.body: + warnings.warn("Use ``template_body`` instead of ``body`` to pass data into Jinja2 template", + DeprecationWarning) + self.message.attach(self._mimetext(self.template_body or self.body, self.subtype)) + elif self.template_body: + raise ValueError("tried to send jinja2 template and html") + elif self.html: + self.message.attach(self._mimetext(self.html, "html")) + + if self.attachments: + await self.attach_file(self.message, self.attachments) + + return self.message + + async def as_string(self): + return await self._message().as_string() + + def as_bytes(self): + return self._message().as_bytes() + + def __str__(self): + return self.as_string() + + def __bytes__(self): + return self.as_bytes() diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/schemas.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/schemas.py new file mode 100644 index 0000000..52cb2d2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_mail/schemas.py @@ -0,0 +1,76 @@ +import os +from enum import Enum +from typing import List, Union, Any, Optional, Dict +from mimetypes import MimeTypes + +from pydantic import BaseModel, EmailStr, validator +from starlette.datastructures import UploadFile +from fastapi_mail.errors import WrongFile + + +class MultipartSubtypeEnum(Enum): + ''' + for more info about Multipart subtypes visit: https://en.wikipedia.org/wiki/MIME#Multipart_subtypes + ''' + mixed = "mixed" + digest = "digest" + alternative = "alternative" + related = "related" + report = "report" + signed = "signed" + encrypted = "encrypted" + form_data = "form-data" + mixed_replace = "x-mixed-replace" + byterange = "byterange" + + +class MessageSchema(BaseModel): + recipients: List[EmailStr] + attachments: List[Any] = [] + subject: str = "" + body: Optional[Union[str, list]] = None + template_body: Optional[Union[list, dict]] = None + html: Optional[Union[str, List, Dict]] = None + cc: List[EmailStr] = [] + bcc: List[EmailStr] = [] + reply_to: List[EmailStr] = [] + charset: str = "utf-8" + subtype: Optional[str] = None + multipart_subtype: MultipartSubtypeEnum = MultipartSubtypeEnum.mixed + + @validator("attachments") + def validate_file(cls, v): + temp = [] + mime = MimeTypes() + + for file in v: + if isinstance(file, str): + if os.path.isfile(file) and os.access(file, os.R_OK) and validate_path(file): + mime_type = mime.guess_type(file) + f = open(file, mode="rb") + _, file_name = os.path.split(f.name) + u = UploadFile(file_name, f, content_type=mime_type[0]) + temp.append(u) + else: + raise WrongFile( + "incorrect file path for attachment or not readable") + elif isinstance(file, UploadFile): + temp.append(file) + else: + raise WrongFile( + "attachments field type incorrect, must be UploadFile or path") + return temp + + @validator('subtype') + def validate_subtype(cls, value, values, config, field): + """Validate subtype field.""" + if values['template_body']: + return 'html' + return value + + +def validate_path(path): + cur_dir = os.path.abspath(os.curdir) + requested_path = os.path.abspath(os.path.relpath(path, start=cur_dir)) + common_prefix = os.path.commonprefix([requested_path, cur_dir]) + return common_prefix == cur_dir diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/LICENSE new file mode 100644 index 0000000..f35a4b7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2021 Jacob Magnusson + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/METADATA new file mode 100644 index 0000000..1fcb657 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/METADATA @@ -0,0 +1,58 @@ +Metadata-Version: 2.1 +Name: fastapi-security +Version: 0.4.0 +Summary: Add authentication and authorization to your FastAPI app via dependencies. +Home-page: https://jmagnusson.github.io/fastapi-security/ +License: MIT +Author: Jacob Magnusson +Author-email: m@jacobian.se +Requires-Python: >=3.6,<4.0 +Classifier: Development Status :: 4 - Beta +Classifier: Environment :: Web Environment +Classifier: Framework :: AsyncIO +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: Information Technology +Classifier: Intended Audience :: System Administrators +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3 :: Only +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Topic :: Internet +Classifier: Topic :: Internet :: WWW/HTTP +Classifier: Topic :: Software Development +Classifier: Topic :: Software Development :: Libraries +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Classifier: Typing :: Typed +Requires-Dist: PyJWT[crypto] (>=2,<3) +Requires-Dist: aiohttp (>=3,<4) +Requires-Dist: fastapi (>=0,<1) +Requires-Dist: pydantic (>=1,<2) +Project-URL: Documentation, https://jmagnusson.github.io/fastapi-security/ +Project-URL: Repository, https://github.com/jmagnusson/fastapi-security +Description-Content-Type: text/markdown + +# FastAPI Security + +[![Continuous Integration Status](https://github.com/jmagnusson/fastapi-security/actions/workflows/ci.yml/badge.svg)](https://github.com/jmagnusson/fastapi-security/actions/workflows/ci.yml) +[![Continuous Delivery Status](https://github.com/jmagnusson/fastapi-security/actions/workflows/cd.yml/badge.svg)](https://github.com/jmagnusson/fastapi-security/actions/workflows/cd.yml) +[![Python Versions](https://img.shields.io/pypi/pyversions/fastapi-security.svg)](https://pypi.org/project/fastapi-security/) +[![Code Coverage](https://img.shields.io/codecov/c/github/jmagnusson/fastapi-security?color=%2334D058)](https://codecov.io/gh/jmagnusson/fastapi-security) +[![PyPI Package](https://img.shields.io/pypi/v/fastapi-security?color=%2334D058&label=pypi%20package)](https://pypi.org/project/fastapi-security) + +Add authentication and authorization to your FastAPI app via dependencies. + +## Installation + +```bash +pip install fastapi-security +``` + +## Documentation + +[The documentation for FastAPI-Security is found here](https://jmagnusson.github.io/fastapi-security/). + diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/RECORD new file mode 100644 index 0000000..d9365d3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/RECORD @@ -0,0 +1,24 @@ +fastapi_security-0.4.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +fastapi_security-0.4.0.dist-info/LICENSE,sha256=kY2ujgJt9Ko698ljMw7Brt5CrdInCxJqsXFM9n01SYo,1072 +fastapi_security-0.4.0.dist-info/METADATA,sha256=qo33Y-8sorRootzqS37G5lHfI13vFDtbDhH1-jq8qow,2692 +fastapi_security-0.4.0.dist-info/RECORD,, +fastapi_security-0.4.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +fastapi_security-0.4.0.dist-info/WHEEL,sha256=V7iVckP-GYreevsTDnv1eAinQt_aArwnAxmnP0gygBY,83 +fastapi_security/__init__.py,sha256=7aaGdheU5U-ZxncRNc1bOUq_5vxf6a-anyNQTELFOIc,212 +fastapi_security/__pycache__/__init__.cpython-39.pyc,, +fastapi_security/__pycache__/api.cpython-39.pyc,, +fastapi_security/__pycache__/basic.cpython-39.pyc,, +fastapi_security/__pycache__/entities.cpython-39.pyc,, +fastapi_security/__pycache__/exceptions.cpython-39.pyc,, +fastapi_security/__pycache__/oauth2.cpython-39.pyc,, +fastapi_security/__pycache__/oidc.cpython-39.pyc,, +fastapi_security/__pycache__/permissions.cpython-39.pyc,, +fastapi_security/__pycache__/schemes.cpython-39.pyc,, +fastapi_security/api.py,sha256=JW1gEwSXROpZ9b6kTVPLYMGDcpgYHPX9kn2poG8vOhA,9931 +fastapi_security/basic.py,sha256=SC1PM2w15gC32tnSmOcpmk1iuJMuHG5vsAvsBhvEqsY,1170 +fastapi_security/entities.py,sha256=yzVMHdixzLZp8Kq0l7r2c-znwpa-8F-2uPJQqBhugRA,4716 +fastapi_security/exceptions.py,sha256=UGd2f7pFnks7LaSLZhW641UsLUQbGXyjGHruWdVYxfk,135 +fastapi_security/oauth2.py,sha256=bSMYKwx1nnF2nTRmFxfqTz3ZaNqMH6HMl9veDsRnNtw,5481 +fastapi_security/oidc.py,sha256=trdypzNIAzQHupTc_g2nOzz6NKwI9N8RPMbIy-2G4oc,4449 +fastapi_security/permissions.py,sha256=0CLgYY8wxXb75YVIEcYNZLAkQ4LiaTtXD-ODk0ogPB4,970 +fastapi_security/schemes.py,sha256=Cz7Fv5q9zDt5laR3GhL5ojBJQgKXse4LoUjqwdAqq20,282 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/WHEEL new file mode 100644 index 0000000..862df1f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security-0.4.0.dist-info/WHEEL @@ -0,0 +1,4 @@ +Wheel-Version: 1.0 +Generator: poetry 1.0.3 +Root-Is-Purelib: true +Tag: py3-none-any diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/__init__.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/__init__.py new file mode 100644 index 0000000..6b55775 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/__init__.py @@ -0,0 +1,7 @@ +from .api import * # noqa +from .basic import * # noqa +from .entities import * # noqa +from .oauth2 import * # noqa +from .oidc import * # noqa +from .permissions import * # noqa +from .schemes import * # noqa diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/api.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/api.py new file mode 100644 index 0000000..0fa9d52 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/api.py @@ -0,0 +1,258 @@ +import logging +from typing import Callable, Dict, Iterable, List, Optional, Type + +from fastapi import Depends, HTTPException +from fastapi.security.http import HTTPAuthorizationCredentials +from starlette.datastructures import Headers + +from .basic import BasicAuthValidator, IterableOfHTTPBasicCredentials +from .entities import AuthMethod, User, UserAuth, UserInfo +from .exceptions import AuthNotConfigured +from .oauth2 import Oauth2JwtAccessTokenValidator +from .oidc import OpenIdConnectDiscovery +from .permissions import PermissionOverrides, UserPermission +from .schemes import http_basic_scheme, jwt_bearer_scheme + +logger = logging.getLogger(__name__) + +__all__ = ("FastAPISecurity",) + + +class FastAPISecurity: + """FastAPI Security main class, to be instantiated by users of the package + + Must be initialized after object creation via the `init()` method. + """ + + def __init__(self, *, user_permission_class: Type[UserPermission] = UserPermission): + self.basic_auth = BasicAuthValidator() + self.oauth2_jwt = Oauth2JwtAccessTokenValidator() + self.oidc_discovery = OpenIdConnectDiscovery() + self._permission_overrides: Dict[str, List[str]] = {} + self._user_permission_class = user_permission_class + self._all_permissions: List[UserPermission] = [] + self._oauth2_init_through_oidc = False + self._oauth2_audiences: List[str] = [] + + def init_basic_auth(self, basic_auth_credentials: IterableOfHTTPBasicCredentials): + self.basic_auth.init(basic_auth_credentials) + + def init_oauth2_through_oidc( + self, oidc_discovery_url: str, *, audiences: Iterable[str] = None + ): + """Initialize OIDC and OAuth2 authentication/authorization + + OAuth2 JWKS URL is lazily fetched from the OIDC endpoint once it's needed for the first time. + + This method is preferred over `init_oauth2_through_jwks` as you get all the + benefits of OIDC, with less configuration supplied. + """ + self._oauth2_audiences.extend(audiences or []) + self.oidc_discovery.init(oidc_discovery_url) + + def init_oauth2_through_jwks( + self, jwks_uri: str, *, audiences: Iterable[str] = None + ): + """Initialize OAuth2 + + It's recommended to use `init_oauth2_through_oidc` instead. + """ + self._oauth2_audiences.extend(audiences or []) + self.oauth2_jwt.init(jwks_uri, audiences=self._oauth2_audiences) + + def add_permission_overrides(self, overrides: PermissionOverrides): + """Add wildcard or specific permissions to basic auth and/or OAuth2 users + + Example: + security = FastAPISecurity() + create_product = security.user_permission("products:create") + + # Give all permissions to the user johndoe + security.add_permission_overrides({"johndoe": "*"}) + + # Give the OAuth2 user `7ZmI5ycgNHeZ9fHPZZwTNbIRd9Ectxca@clients` the + # "products:create" permission. + security.add_permission_overrides({ + "7ZmI5ycgNHeZ9fHPZZwTNbIRd9Ectxca@clients": ["products:create"], + }) + + """ + for user, val in overrides.items(): + lst: List[str] = self._permission_overrides.setdefault(user, []) + if isinstance(val, str): + assert ( + val == "*" + ), "Only `*` is accepted as permission override when specified as a string" + logger.debug(f"Adding wildcard `*` permission to user {user}") + lst.append("*") + else: + for p in val: + logger.debug(f"Adding permission {p} to user {user}") + lst.append(p) + + @property + def user(self) -> Callable: + """Dependency that returns User object, authenticated or not""" + + async def dependency(user_auth: UserAuth = Depends(self._user_auth)): + return User(auth=user_auth) + + return dependency + + @property + def authenticated_user_or_401(self) -> Callable: + """Dependency that returns User object if authenticated, + otherwise raises HTTP401 + """ + + async def dependency(user_auth: UserAuth = Depends(self._user_auth_or_401)): + return User(auth=user_auth) + + return dependency + + @property + def user_with_info(self) -> Callable: + """Dependency that returns User object with user info, authenticated or not""" + + async def dependency(user_auth: UserAuth = Depends(self._user_auth)): + if user_auth.is_oauth2() and user_auth.access_token: + info = await self.oidc_discovery.get_user_info(user_auth.access_token) + else: + info = UserInfo.make_dummy() + return User(auth=user_auth, info=info) + + return dependency + + @property + def authenticated_user_with_info_or_401(self) -> Callable: + """Dependency that returns User object along with user info if authenticated, + otherwise raises HTTP401 + """ + + async def dependency(user_auth: UserAuth = Depends(self._user_auth_or_401)): + if user_auth.is_oauth2() and user_auth.access_token: + info = await self.oidc_discovery.get_user_info(user_auth.access_token) + else: + info = UserInfo.make_dummy() + return User(auth=user_auth, info=info) + + return dependency + + def user_permission(self, identifier: str) -> UserPermission: + perm = self._user_permission_class(identifier) + self._all_permissions.append(perm) + return perm + + def user_holding(self, *permissions: UserPermission) -> Callable: + """Dependency that returns the user if it has the given permissions, otherwise + raises HTTP403 + """ + + async def dependency( + user: User = Depends(self.authenticated_user_or_401), + ) -> User: + for perm in permissions: + self._has_permission_or_raise_forbidden(user, perm) + return user + + return dependency + + @property + def _user_auth(self) -> Callable: + """Dependency that returns UserAuth object if authentication was successful""" + + async def dependency( + bearer_credentials: HTTPAuthorizationCredentials = Depends( + jwt_bearer_scheme + ), + http_credentials: HTTPAuthorizationCredentials = Depends(http_basic_scheme), + ) -> Optional[UserAuth]: + oidc_configured = self.oidc_discovery.is_configured() + oauth2_configured = self.oauth2_jwt.is_configured() + basic_auth_configured = self.basic_auth.is_configured() + + if not any([oidc_configured, oauth2_configured, basic_auth_configured]): + raise AuthNotConfigured() + + if oidc_configured and not oauth2_configured: + jwks_uri = await self.oidc_discovery.get_jwks_uri() + self.init_oauth2_through_jwks(jwks_uri) + + if bearer_credentials is not None: + bearer_token = bearer_credentials.credentials + access_token = await self.oauth2_jwt.parse(bearer_token) + if access_token: + return self._maybe_override_permissions( + UserAuth.from_jwt_access_token(access_token) + ) + elif http_credentials is not None and self.basic_auth.is_configured(): + if self.basic_auth.validate(http_credentials): + return self._maybe_override_permissions( + UserAuth( + subject=http_credentials.username, + auth_method=AuthMethod.basic_auth, + ) + ) + + return UserAuth.make_anonymous() + + return dependency + + @property + def _user_auth_or_401(self) -> Callable: + """Dependency that returns UserAuth object on success, or raises HTTP401""" + + async def dependency( + user_auth: UserAuth = Depends(self._user_auth), + http_credentials: HTTPAuthorizationCredentials = Depends(http_basic_scheme), + ): + + if user_auth and user_auth.is_authenticated(): + return user_auth + + options = [] + + if self.basic_auth.is_configured(): + options.append("Basic") + if self.oauth2_jwt.is_configured(): + options.append("Bearer") + + raise HTTPException( + status_code=401, + detail="Could not validate credentials", + headers=Headers( # type: ignore[arg-type] + raw=[(b"WWW-Authenticate", o.encode("latin-1")) for o in options], + ), + ) + + return dependency + + def _has_permission_or_raise_forbidden(self, user: User, perm: UserPermission): + if not user.has_permission(perm.identifier): + self._raise_forbidden(perm.identifier) + + def _raise_forbidden(self, required_permission: str): + raise HTTPException( + 403, + detail=f"Missing required permission {required_permission}", + ) + + def _maybe_override_permissions(self, user_auth: UserAuth) -> UserAuth: + overrides = self._permission_overrides.get(user_auth.subject) + + all_permission_identifiers = [p.identifier for p in self._all_permissions] + + if overrides is None: + return user_auth.with_permissions( + [ + incoming_id + for incoming_id in user_auth.permissions + if incoming_id in all_permission_identifiers + ] + ) + elif "*" in overrides: + return user_auth.with_permissions(all_permission_identifiers) + else: + return user_auth.with_permissions( + [p for p in overrides if p in all_permission_identifiers] + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/basic.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/basic.py new file mode 100644 index 0000000..b4e8f32 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/basic.py @@ -0,0 +1,38 @@ +import secrets +from typing import Dict, Iterable, List, Union + +from fastapi.security.http import HTTPBasicCredentials + +__all__ = ("HTTPBasicCredentials",) + +IterableOfHTTPBasicCredentials = Iterable[Union[HTTPBasicCredentials, Dict]] + + +class BasicAuthValidator: + def __init__(self): + self._credentials = [] + + def init(self, credentials: IterableOfHTTPBasicCredentials): + self._credentials = self._make_credentials(credentials) + + def is_configured(self) -> bool: + return len(self._credentials) > 0 + + def validate(self, credentials: HTTPBasicCredentials) -> bool: + if not self.is_configured(): + return False + return any( + ( + secrets.compare_digest(c.username, credentials.username) + and secrets.compare_digest(c.password, credentials.password) + ) + for c in self._credentials + ) + + def _make_credentials( + self, credentials: IterableOfHTTPBasicCredentials + ) -> List[HTTPBasicCredentials]: + return [ + c if isinstance(c, HTTPBasicCredentials) else HTTPBasicCredentials(**c) + for c in credentials + ] diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/entities.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/entities.py new file mode 100644 index 0000000..a253df1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/entities.py @@ -0,0 +1,153 @@ +from datetime import datetime +from enum import Enum +from typing import Any, Dict, List, Optional + +from pydantic import BaseModel, Field, validator + +__all__ = ("User",) + + +class JwtAccessToken(BaseModel): + iss: str = Field(..., description="Issuer") + sub: str = Field(..., description="Subject") + aud: List[str] = Field(..., description="Audience") + iat: datetime = Field(..., description="Issued At") + exp: datetime = Field(..., description="Expiration Time") + azp: str = Field( + None, + description="Authorized party - the party to which the ID Token was issued", + ) + gty: str = Field( + "", + description="Grant type (auth0 specific, see https://auth0.com/docs/applications/concepts/application-grant-types)", + ) + scope: List[str] = Field("", description="Scope Values") + permissions: List[str] = Field( + [], + description="Permissions (auth0 specific, intended for first-party app authorization)", + ) + raw: str = Field(..., description="The raw access token") + + @validator("aud", pre=True, always=True) + def aud_to_list(cls, v): + return v.split(" ") if isinstance(v, str) else v + + @validator("scope", pre=True, always=True) + def scope_to_list(cls, v): + if isinstance(v, str): + return [s for s in v.split(" ") if s] + else: + return v + + @validator("permissions", pre=True, always=True) + def permissions_to_list(cls, v): + return v.split(" ") if isinstance(v, str) else v + + def is_client_credentials(self): + return self.gty == "client-credentials" + + +class AuthMethod(str, Enum): + none = "none" + basic_auth = "basic_auth" + oauth2 = "oauth2" + oauth2_client_credentials = "oauth2_client_credentials" + + def is_oauth2_type(self): + return self in (AuthMethod.oauth2_client_credentials, AuthMethod.oauth2) + + +class UserInfo(BaseModel): + given_name: Optional[str] = None + family_name: Optional[str] = None + nickname: Optional[str] = None + name: Optional[str] = None + picture: Optional[str] = None + locale: Optional[str] = None + updated_at: Optional[datetime] = None + email: Optional[str] = None + email_verified: Optional[bool] = None + + @classmethod + def from_oidc_endpoint(cls, data: Dict[str, Any]) -> "UserInfo": + return cls(**data) + + @classmethod + def make_dummy(cls): + return cls() + + +class UserAuth(BaseModel): + subject: str + auth_method: AuthMethod + issuer: Optional[str] = None + audience: List[str] = [] + issued_at: Optional[datetime] = None + expires_at: Optional[datetime] = None + scopes: List[str] = [] + permissions: List[str] = [] + access_token: Optional[str] = None + + def is_authenticated(self) -> bool: + return self.auth_method is not AuthMethod.none + + def is_anonymous(self) -> bool: + return not self.is_authenticated() + + def is_oauth2(self) -> bool: + return self.auth_method.is_oauth2_type() + + def get_user_id(self) -> str: + return self.subject + + def with_permissions(self, permissions: List[str]) -> "UserAuth": + return self.copy(deep=True, update={"permissions": permissions}) + + def has_permission(self, permission: str) -> bool: + return permission in self.permissions + + @classmethod + def from_jwt_access_token(cls, access_token: JwtAccessToken) -> "UserAuth": + if access_token.is_client_credentials(): + auth_method = AuthMethod.oauth2_client_credentials + else: + auth_method = AuthMethod.oauth2 + return cls( + auth_method=auth_method, + subject=access_token.sub, + issuer=access_token.iss, + audience=access_token.aud, + issued_at=access_token.iat, + expires_at=access_token.exp, + scopes=access_token.scope, + permissions=access_token.permissions, + access_token=access_token.raw, + ) + + @classmethod + def make_anonymous(cls) -> "UserAuth": + return cls(subject="anonymous", auth_method=AuthMethod.none) + + +class User(BaseModel): + auth: UserAuth + info: Optional[UserInfo] = None + + @property + def permissions(self) -> List[str]: + return self.auth.permissions + + def is_authenticated(self) -> bool: + return self.auth.is_authenticated() + + def is_anonymous(self) -> bool: + return self.auth.is_anonymous() + + def get_user_id(self) -> str: + return self.auth.get_user_id() + + def has_permission(self, permission: str) -> bool: + return self.auth.has_permission(permission) + + def without_access_token(self) -> "User": + return self.copy(deep=True, exclude={"auth": {"access_token"}}) diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/exceptions.py new file mode 100644 index 0000000..b809de7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/exceptions.py @@ -0,0 +1,5 @@ +__all__ = ("AuthNotConfigured",) + + +class AuthNotConfigured(Exception): + """Raised when no authentication backend has been set up""" diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oauth2.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oauth2.py new file mode 100644 index 0000000..dc28c1e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oauth2.py @@ -0,0 +1,159 @@ +import json +import logging +import time +from typing import Any, Dict, Iterable, List, Optional + +import aiohttp +import jwt +from cryptography.hazmat.backends.openssl.rsa import _RSAPublicKey +from jwt.algorithms import RSAAlgorithm +from pydantic import ValidationError + +from .entities import JwtAccessToken + +__all__ = () + +logger = logging.getLogger(__name__) + + +DEFAULT_JWKS_RESPONSE_CACHE_PERIOD = 3600 # 1 hour + + +class Oauth2JwtAccessTokenValidator: + """Parses and validates JWT-format OAuth2 access tokens against a JWKS endpoint + + Fetches public keys from the provided JWKS endpoint which is used to verify + the validity of the access token. + + Only supports the RS256 algorithm. + + The public keys from the JWKS endpoint are cached for one hour by default, to + minimize the number of external requests that have to be made. + + Not ready to use until it's been initialized via the `init` method. + """ + + def __init__(self): + self._jwks_url: Optional[str] = None + self._audiences: Optional[List[str]] = None + self._jwks_kid_mapping: Dict[str, _RSAPublicKey] = None + self._jwks_cache_period: float = float(DEFAULT_JWKS_RESPONSE_CACHE_PERIOD) + self._jwks_cached_at: Optional[float] = None + + def init( + self, + jwks_url: str, + audiences: Iterable[str], + *, + jwks_cache_period: int = DEFAULT_JWKS_RESPONSE_CACHE_PERIOD, + ): + """Set up Oauth 2.0 JWT validation + + Args: + jwks_url: + The JWKS endpoint to fetch the public keys from. Usually in the + format: "https://domain/.well-known/jwks.json" + audiences: + Accepted `aud` values for incoming access tokens + jwks_cache_period: + How many seconds to cache the JWKS response. Defaults to 1 hour. + """ + + self._jwks_url = jwks_url + self._jwks_cache_period = float(jwks_cache_period) + self._audiences = list(audiences) + + def is_configured(self) -> bool: + return bool(self._jwks_url) + + async def parse(self, access_token: str) -> Optional[JwtAccessToken]: + """Parse the supplied JWT-formatted access token + + Returns a parsed JwtAccessToken object on successful verification, + otherwise `None`. + """ + if not self.is_configured(): + logger.info("JWT Access Token validator is not set up!") + return None + + if not access_token: + logger.debug("No JWT token provided") + return None + + try: + unverified_header = jwt.get_unverified_header(access_token) + except jwt.InvalidTokenError as ex: + logger.debug(f"Decoding unverified JWT token failed with error: {ex!r}") + return None + + try: + token_kid = unverified_header["kid"] + except KeyError: + logger.debug("No `kid` found in JWT token") + return None + + try: + public_key = await self._get_public_key(token_kid) + except KeyError: + logger.debug("No matching `kid` for JWT token") + return None + + try: + decoded = self._decode_jwt_token(public_key, access_token) + except jwt.InvalidTokenError as ex: + logger.debug(f"Decoding verified JWT token failed with error: {ex!r}") + return None + + try: + parsed_access_token = JwtAccessToken(**decoded, raw=access_token) + except ValidationError as ex: + logger.debug(f"Failed to parse JWT token with {ex}") + return None + + return parsed_access_token + + async def _get_public_key(self, kid: str) -> _RSAPublicKey: + mapping = await self._get_jwks_kid_mapping() + return mapping[kid] + + async def _get_jwks_kid_mapping(self) -> Dict[str, _RSAPublicKey]: + if ( + self._jwks_cached_at is None + or (time.monotonic() - self._jwks_cached_at) > self._jwks_cache_period + ): + try: + jwks_data = await self._fetch_jwks_data() + except Exception as ex: + if self._jwks_kid_mapping is None: + raise + else: + logger.info( + f"Failed to refresh JWKS kid mapping, re-using old data. " + f"Exception was: {ex!r}" + ) + self._jwks_cached_at = time.monotonic() + else: + self._jwks_kid_mapping = { + k["kid"]: RSAAlgorithm.from_jwk(json.dumps(k)) + for k in jwks_data["keys"] + if k["kty"] == "RSA" and k["alg"] == "RS256" + } + self._jwks_cached_at = time.monotonic() + assert len(self._jwks_kid_mapping) > 0 + + return self._jwks_kid_mapping + + async def _fetch_jwks_data(self): + timeout = aiohttp.ClientTimeout(total=10) + + logger.info(f"Fetching JWKS data from {self._jwks_url}") + + async with aiohttp.ClientSession(timeout=timeout) as session: + async with session.get(self._jwks_url) as response: + return await response.json() + + def _decode_jwt_token( + self, public_key: _RSAPublicKey, access_token: str + ) -> Dict[str, Any]: + # NOTE: jwt.decode has erroneously set key: str + return jwt.decode(access_token, key=public_key, audience=self._audiences, algorithms=["RS256"]) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oidc.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oidc.py new file mode 100644 index 0000000..b368cbe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/oidc.py @@ -0,0 +1,127 @@ +import logging +import time +from typing import Any, Dict, Optional + +import aiohttp + +from .entities import UserInfo + +logger = logging.getLogger(__name__) + + +DEFAULT_DISCOVERY_RESPONSE_CACHE_PERIOD = 3600 # 1 hour + + +class OpenIdConnectDiscovery: + """Retrieve info from OpenID Connect (OIDC) endpoints""" + + def __init__(self): + self._discovery_url: Optional[str] = None + self._discovery_data_cached_at: Optional[float] = None + self._discovery_cache_period: float = float( + DEFAULT_DISCOVERY_RESPONSE_CACHE_PERIOD + ) + self._discovery_data: Optional[Dict[str, Any]] = None + + def init( + self, + discovery_url: str, + *, + discovery_cache_period: int = DEFAULT_DISCOVERY_RESPONSE_CACHE_PERIOD, + ): + """Set up OpenID Connect data fetching + + Args: + discovery_url: + The well-known OpenID Connect discovery endpoint + Example: "https://domain/.well-known/openid-connect" + discovery_cache_period: + How many seconds to cache the OpenID Discovery endpoint response. Defaults to 1 hour. + """ + self._discovery_url = discovery_url + self._discovery_cache_period = float(discovery_cache_period) + + def is_configured(self) -> bool: + return bool(self._discovery_url) + + async def get_user_info(self, access_token: str) -> Optional[UserInfo]: + """Get user info for the given OAuth 2 access token + + Returns a parsed UserInfo object on successful verification, + otherwise `None`. + """ + if not self.is_configured(): + logger.info("OpenID Connect discovery URL is not set up!") + return None + + if not access_token: + logger.debug("No access token provided") + return None + + user_info = await self._fetch_user_info(access_token) + + if user_info is None: + return UserInfo.make_dummy() + else: + return UserInfo.from_oidc_endpoint(user_info) + + async def get_jwks_uri(self) -> str: + """Get or fetch the JWKS URI""" + data = await self.get_discovery_data() + return data["jwks_uri"] + + async def _fetch_user_info(self, access_token: str) -> Optional[Dict[str, Any]]: + timeout = aiohttp.ClientTimeout(total=10) + url = await self.get_user_info_endpoint() + headers = {"Authorization": f"Bearer {access_token}"} + + logger.debug(f"Fetching user info from {url}") + + async with aiohttp.ClientSession(timeout=timeout) as session: + async with session.get(url, headers=headers) as response: + if response.status == 200: + return await response.json() + else: + logger.debug( + "User info could not be fetched (might be a machine user)" + ) + return None + + async def get_user_info_endpoint(self) -> str: + data = await self.get_discovery_data() + return data["userinfo_endpoint"] + + async def get_discovery_data(self) -> Dict[str, Any]: + if ( + self._discovery_data is None + or self._discovery_data_cached_at is None + or ( + (time.monotonic() - self._discovery_data_cached_at) + > self._discovery_cache_period + ) + ): + try: + self._discovery_data = await self._fetch_discovery_data() + except Exception as ex: + if self._discovery_data is None: + raise + else: + logger.info( + f"Failed to refresh OIDC discovery data, re-using old data. " + f"Exception was: {ex!r}" + ) + self._discovery_data_cached_at = time.monotonic() + else: + self._discovery_data_cached_at = time.monotonic() + + return self._discovery_data + + async def _fetch_discovery_data(self) -> Dict[str, Any]: + timeout = aiohttp.ClientTimeout(total=10) + assert self._discovery_url, "No OIDC discovery URL specified" + + logger.debug(f"Fetching OIDC discovery data from {self._discovery_url}") + + async with aiohttp.ClientSession(timeout=timeout, raise_for_status=True) as s: + async with s.get(self._discovery_url) as response: + return await response.json() diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/permissions.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/permissions.py new file mode 100644 index 0000000..2982ca3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/permissions.py @@ -0,0 +1,42 @@ +from typing import Dict, MutableSequence, Union + +__all__ = ("PermissionOverrides",) + + +PermissionOverrides = Dict[str, Union[str, MutableSequence[str]]] + + +class UserPermission: + """Represents a user permission + + Creating a new permission is done like this: + + security = FastAPISecurity() + create_item_permission = security.user_permission("item:create") + + Usage: + + @app.post( + "/products", + dependencies=[Depends(security.user_holding(create_item_permission))] + ) + def create_product(...): + ... + + Or: + @app.post("/products") + def create_product( + user: Depends(security.user_holding(create_item_permission)) + ): + ... + + """ + + def __init__(self, identifier: str): + self.identifier = identifier + + def __str__(self): + return self.identifier + + def __repr__(self): + return f"{self.__class__.__name__}({self.identifier})" diff --git a/backend/mb-env/lib/python3.9/site-packages/fastapi_security/schemes.py b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/schemes.py new file mode 100644 index 0000000..2a1040d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/fastapi_security/schemes.py @@ -0,0 +1,10 @@ +from fastapi.security.http import HTTPBasic, HTTPBearer + +__all__ = () + +jwt_bearer_scheme = HTTPBearer( + auto_error=False, + bearerFormat="JWT-formatted OAuth2 Access Token", + scheme_name="JWT-formatted OAuth2 Access Token", +) +http_basic_scheme = HTTPBasic(auto_error=False) diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/__init__.py b/backend/mb-env/lib/python3.9/site-packages/flask/__init__.py new file mode 100644 index 0000000..c5da045 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/__init__.py @@ -0,0 +1,46 @@ +from markupsafe import escape +from markupsafe import Markup +from werkzeug.exceptions import abort as abort +from werkzeug.utils import redirect as redirect + +from . import json as json +from .app import Flask as Flask +from .app import Request as Request +from .app import Response as Response +from .blueprints import Blueprint as Blueprint +from .config import Config as Config +from .ctx import after_this_request as after_this_request +from .ctx import copy_current_request_context as copy_current_request_context +from .ctx import has_app_context as has_app_context +from .ctx import has_request_context as has_request_context +from .globals import _app_ctx_stack as _app_ctx_stack +from .globals import _request_ctx_stack as _request_ctx_stack +from .globals import current_app as current_app +from .globals import g as g +from .globals import request as request +from .globals import session as session +from .helpers import flash as flash +from .helpers import get_flashed_messages as get_flashed_messages +from .helpers import get_template_attribute as get_template_attribute +from .helpers import make_response as make_response +from .helpers import safe_join as safe_join +from .helpers import send_file as send_file +from .helpers import send_from_directory as send_from_directory +from .helpers import stream_with_context as stream_with_context +from .helpers import url_for as url_for +from .json import jsonify as jsonify +from .signals import appcontext_popped as appcontext_popped +from .signals import appcontext_pushed as appcontext_pushed +from .signals import appcontext_tearing_down as appcontext_tearing_down +from .signals import before_render_template as before_render_template +from .signals import got_request_exception as got_request_exception +from .signals import message_flashed as message_flashed +from .signals import request_finished as request_finished +from .signals import request_started as request_started +from .signals import request_tearing_down as request_tearing_down +from .signals import signals_available as signals_available +from .signals import template_rendered as template_rendered +from .templating import render_template as render_template +from .templating import render_template_string as render_template_string + +__version__ = "2.0.1" diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/__main__.py b/backend/mb-env/lib/python3.9/site-packages/flask/__main__.py new file mode 100644 index 0000000..4e28416 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/__main__.py @@ -0,0 +1,3 @@ +from .cli import main + +main() diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/app.py b/backend/mb-env/lib/python3.9/site-packages/flask/app.py new file mode 100644 index 0000000..3abce3c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/app.py @@ -0,0 +1,2088 @@ +import functools +import inspect +import logging +import os +import sys +import typing as t +import weakref +from datetime import timedelta +from itertools import chain +from threading import Lock +from types import TracebackType + +from werkzeug.datastructures import Headers +from werkzeug.datastructures import ImmutableDict +from werkzeug.exceptions import BadRequest +from werkzeug.exceptions import BadRequestKeyError +from werkzeug.exceptions import HTTPException +from werkzeug.exceptions import InternalServerError +from werkzeug.local import ContextVar +from werkzeug.routing import BuildError +from werkzeug.routing import Map +from werkzeug.routing import MapAdapter +from werkzeug.routing import RequestRedirect +from werkzeug.routing import RoutingException +from werkzeug.routing import Rule +from werkzeug.wrappers import Response as BaseResponse + +from . import cli +from . import json +from .config import Config +from .config import ConfigAttribute +from .ctx import _AppCtxGlobals +from .ctx import AppContext +from .ctx import RequestContext +from .globals import _request_ctx_stack +from .globals import g +from .globals import request +from .globals import session +from .helpers import _split_blueprint_path +from .helpers import get_debug_flag +from .helpers import get_env +from .helpers import get_flashed_messages +from .helpers import get_load_dotenv +from .helpers import locked_cached_property +from .helpers import url_for +from .json import jsonify +from .logging import create_logger +from .scaffold import _endpoint_from_view_func +from .scaffold import _sentinel +from .scaffold import find_package +from .scaffold import Scaffold +from .scaffold import setupmethod +from .sessions import SecureCookieSessionInterface +from .signals import appcontext_tearing_down +from .signals import got_request_exception +from .signals import request_finished +from .signals import request_started +from .signals import request_tearing_down +from .templating import DispatchingJinjaLoader +from .templating import Environment +from .typing import AfterRequestCallable +from .typing import BeforeRequestCallable +from .typing import ErrorHandlerCallable +from .typing import ResponseReturnValue +from .typing import TeardownCallable +from .typing import TemplateContextProcessorCallable +from .typing import TemplateFilterCallable +from .typing import TemplateGlobalCallable +from .typing import TemplateTestCallable +from .typing import URLDefaultCallable +from .typing import URLValuePreprocessorCallable +from .wrappers import Request +from .wrappers import Response + +if t.TYPE_CHECKING: + import typing_extensions as te + from .blueprints import Blueprint + from .testing import FlaskClient + from .testing import FlaskCliRunner + +if sys.version_info >= (3, 8): + iscoroutinefunction = inspect.iscoroutinefunction +else: + + def iscoroutinefunction(func: t.Any) -> bool: + while inspect.ismethod(func): + func = func.__func__ + + while isinstance(func, functools.partial): + func = func.func + + return inspect.iscoroutinefunction(func) + + +def _make_timedelta(value: t.Optional[timedelta]) -> t.Optional[timedelta]: + if value is None or isinstance(value, timedelta): + return value + + return timedelta(seconds=value) + + +class Flask(Scaffold): + """The flask object implements a WSGI application and acts as the central + object. It is passed the name of the module or package of the + application. Once it is created it will act as a central registry for + the view functions, the URL rules, template configuration and much more. + + The name of the package is used to resolve resources from inside the + package or the folder the module is contained in depending on if the + package parameter resolves to an actual python package (a folder with + an :file:`__init__.py` file inside) or a standard module (just a ``.py`` file). + + For more information about resource loading, see :func:`open_resource`. + + Usually you create a :class:`Flask` instance in your main module or + in the :file:`__init__.py` file of your package like this:: + + from flask import Flask + app = Flask(__name__) + + .. admonition:: About the First Parameter + + The idea of the first parameter is to give Flask an idea of what + belongs to your application. This name is used to find resources + on the filesystem, can be used by extensions to improve debugging + information and a lot more. + + So it's important what you provide there. If you are using a single + module, `__name__` is always the correct value. If you however are + using a package, it's usually recommended to hardcode the name of + your package there. + + For example if your application is defined in :file:`yourapplication/app.py` + you should create it with one of the two versions below:: + + app = Flask('yourapplication') + app = Flask(__name__.split('.')[0]) + + Why is that? The application will work even with `__name__`, thanks + to how resources are looked up. However it will make debugging more + painful. Certain extensions can make assumptions based on the + import name of your application. For example the Flask-SQLAlchemy + extension will look for the code in your application that triggered + an SQL query in debug mode. If the import name is not properly set + up, that debugging information is lost. (For example it would only + pick up SQL queries in `yourapplication.app` and not + `yourapplication.views.frontend`) + + .. versionadded:: 0.7 + The `static_url_path`, `static_folder`, and `template_folder` + parameters were added. + + .. versionadded:: 0.8 + The `instance_path` and `instance_relative_config` parameters were + added. + + .. versionadded:: 0.11 + The `root_path` parameter was added. + + .. versionadded:: 1.0 + The ``host_matching`` and ``static_host`` parameters were added. + + .. versionadded:: 1.0 + The ``subdomain_matching`` parameter was added. Subdomain + matching needs to be enabled manually now. Setting + :data:`SERVER_NAME` does not implicitly enable it. + + :param import_name: the name of the application package + :param static_url_path: can be used to specify a different path for the + static files on the web. Defaults to the name + of the `static_folder` folder. + :param static_folder: The folder with static files that is served at + ``static_url_path``. Relative to the application ``root_path`` + or an absolute path. Defaults to ``'static'``. + :param static_host: the host to use when adding the static route. + Defaults to None. Required when using ``host_matching=True`` + with a ``static_folder`` configured. + :param host_matching: set ``url_map.host_matching`` attribute. + Defaults to False. + :param subdomain_matching: consider the subdomain relative to + :data:`SERVER_NAME` when matching routes. Defaults to False. + :param template_folder: the folder that contains the templates that should + be used by the application. Defaults to + ``'templates'`` folder in the root path of the + application. + :param instance_path: An alternative instance path for the application. + By default the folder ``'instance'`` next to the + package or module is assumed to be the instance + path. + :param instance_relative_config: if set to ``True`` relative filenames + for loading the config are assumed to + be relative to the instance path instead + of the application root. + :param root_path: The path to the root of the application files. + This should only be set manually when it can't be detected + automatically, such as for namespace packages. + """ + + #: The class that is used for request objects. See :class:`~flask.Request` + #: for more information. + request_class = Request + + #: The class that is used for response objects. See + #: :class:`~flask.Response` for more information. + response_class = Response + + #: The class that is used for the Jinja environment. + #: + #: .. versionadded:: 0.11 + jinja_environment = Environment + + #: The class that is used for the :data:`~flask.g` instance. + #: + #: Example use cases for a custom class: + #: + #: 1. Store arbitrary attributes on flask.g. + #: 2. Add a property for lazy per-request database connectors. + #: 3. Return None instead of AttributeError on unexpected attributes. + #: 4. Raise exception if an unexpected attr is set, a "controlled" flask.g. + #: + #: In Flask 0.9 this property was called `request_globals_class` but it + #: was changed in 0.10 to :attr:`app_ctx_globals_class` because the + #: flask.g object is now application context scoped. + #: + #: .. versionadded:: 0.10 + app_ctx_globals_class = _AppCtxGlobals + + #: The class that is used for the ``config`` attribute of this app. + #: Defaults to :class:`~flask.Config`. + #: + #: Example use cases for a custom class: + #: + #: 1. Default values for certain config options. + #: 2. Access to config values through attributes in addition to keys. + #: + #: .. versionadded:: 0.11 + config_class = Config + + #: The testing flag. Set this to ``True`` to enable the test mode of + #: Flask extensions (and in the future probably also Flask itself). + #: For example this might activate test helpers that have an + #: additional runtime cost which should not be enabled by default. + #: + #: If this is enabled and PROPAGATE_EXCEPTIONS is not changed from the + #: default it's implicitly enabled. + #: + #: This attribute can also be configured from the config with the + #: ``TESTING`` configuration key. Defaults to ``False``. + testing = ConfigAttribute("TESTING") + + #: If a secret key is set, cryptographic components can use this to + #: sign cookies and other things. Set this to a complex random value + #: when you want to use the secure cookie for instance. + #: + #: This attribute can also be configured from the config with the + #: :data:`SECRET_KEY` configuration key. Defaults to ``None``. + secret_key = ConfigAttribute("SECRET_KEY") + + #: The secure cookie uses this for the name of the session cookie. + #: + #: This attribute can also be configured from the config with the + #: ``SESSION_COOKIE_NAME`` configuration key. Defaults to ``'session'`` + session_cookie_name = ConfigAttribute("SESSION_COOKIE_NAME") + + #: A :class:`~datetime.timedelta` which is used to set the expiration + #: date of a permanent session. The default is 31 days which makes a + #: permanent session survive for roughly one month. + #: + #: This attribute can also be configured from the config with the + #: ``PERMANENT_SESSION_LIFETIME`` configuration key. Defaults to + #: ``timedelta(days=31)`` + permanent_session_lifetime = ConfigAttribute( + "PERMANENT_SESSION_LIFETIME", get_converter=_make_timedelta + ) + + #: A :class:`~datetime.timedelta` or number of seconds which is used + #: as the default ``max_age`` for :func:`send_file`. The default is + #: ``None``, which tells the browser to use conditional requests + #: instead of a timed cache. + #: + #: Configured with the :data:`SEND_FILE_MAX_AGE_DEFAULT` + #: configuration key. + #: + #: .. versionchanged:: 2.0 + #: Defaults to ``None`` instead of 12 hours. + send_file_max_age_default = ConfigAttribute( + "SEND_FILE_MAX_AGE_DEFAULT", get_converter=_make_timedelta + ) + + #: Enable this if you want to use the X-Sendfile feature. Keep in + #: mind that the server has to support this. This only affects files + #: sent with the :func:`send_file` method. + #: + #: .. versionadded:: 0.2 + #: + #: This attribute can also be configured from the config with the + #: ``USE_X_SENDFILE`` configuration key. Defaults to ``False``. + use_x_sendfile = ConfigAttribute("USE_X_SENDFILE") + + #: The JSON encoder class to use. Defaults to :class:`~flask.json.JSONEncoder`. + #: + #: .. versionadded:: 0.10 + json_encoder = json.JSONEncoder + + #: The JSON decoder class to use. Defaults to :class:`~flask.json.JSONDecoder`. + #: + #: .. versionadded:: 0.10 + json_decoder = json.JSONDecoder + + #: Options that are passed to the Jinja environment in + #: :meth:`create_jinja_environment`. Changing these options after + #: the environment is created (accessing :attr:`jinja_env`) will + #: have no effect. + #: + #: .. versionchanged:: 1.1.0 + #: This is a ``dict`` instead of an ``ImmutableDict`` to allow + #: easier configuration. + #: + jinja_options: dict = {} + + #: Default configuration parameters. + default_config = ImmutableDict( + { + "ENV": None, + "DEBUG": None, + "TESTING": False, + "PROPAGATE_EXCEPTIONS": None, + "PRESERVE_CONTEXT_ON_EXCEPTION": None, + "SECRET_KEY": None, + "PERMANENT_SESSION_LIFETIME": timedelta(days=31), + "USE_X_SENDFILE": False, + "SERVER_NAME": None, + "APPLICATION_ROOT": "/", + "SESSION_COOKIE_NAME": "session", + "SESSION_COOKIE_DOMAIN": None, + "SESSION_COOKIE_PATH": None, + "SESSION_COOKIE_HTTPONLY": True, + "SESSION_COOKIE_SECURE": False, + "SESSION_COOKIE_SAMESITE": None, + "SESSION_REFRESH_EACH_REQUEST": True, + "MAX_CONTENT_LENGTH": None, + "SEND_FILE_MAX_AGE_DEFAULT": None, + "TRAP_BAD_REQUEST_ERRORS": None, + "TRAP_HTTP_EXCEPTIONS": False, + "EXPLAIN_TEMPLATE_LOADING": False, + "PREFERRED_URL_SCHEME": "http", + "JSON_AS_ASCII": True, + "JSON_SORT_KEYS": True, + "JSONIFY_PRETTYPRINT_REGULAR": False, + "JSONIFY_MIMETYPE": "application/json", + "TEMPLATES_AUTO_RELOAD": None, + "MAX_COOKIE_SIZE": 4093, + } + ) + + #: The rule object to use for URL rules created. This is used by + #: :meth:`add_url_rule`. Defaults to :class:`werkzeug.routing.Rule`. + #: + #: .. versionadded:: 0.7 + url_rule_class = Rule + + #: The map object to use for storing the URL rules and routing + #: configuration parameters. Defaults to :class:`werkzeug.routing.Map`. + #: + #: .. versionadded:: 1.1.0 + url_map_class = Map + + #: the test client that is used with when `test_client` is used. + #: + #: .. versionadded:: 0.7 + test_client_class: t.Optional[t.Type["FlaskClient"]] = None + + #: The :class:`~click.testing.CliRunner` subclass, by default + #: :class:`~flask.testing.FlaskCliRunner` that is used by + #: :meth:`test_cli_runner`. Its ``__init__`` method should take a + #: Flask app object as the first argument. + #: + #: .. versionadded:: 1.0 + test_cli_runner_class: t.Optional[t.Type["FlaskCliRunner"]] = None + + #: the session interface to use. By default an instance of + #: :class:`~flask.sessions.SecureCookieSessionInterface` is used here. + #: + #: .. versionadded:: 0.8 + session_interface = SecureCookieSessionInterface() + + def __init__( + self, + import_name: str, + static_url_path: t.Optional[str] = None, + static_folder: t.Optional[str] = "static", + static_host: t.Optional[str] = None, + host_matching: bool = False, + subdomain_matching: bool = False, + template_folder: t.Optional[str] = "templates", + instance_path: t.Optional[str] = None, + instance_relative_config: bool = False, + root_path: t.Optional[str] = None, + ): + super().__init__( + import_name=import_name, + static_folder=static_folder, + static_url_path=static_url_path, + template_folder=template_folder, + root_path=root_path, + ) + + if instance_path is None: + instance_path = self.auto_find_instance_path() + elif not os.path.isabs(instance_path): + raise ValueError( + "If an instance path is provided it must be absolute." + " A relative path was given instead." + ) + + #: Holds the path to the instance folder. + #: + #: .. versionadded:: 0.8 + self.instance_path = instance_path + + #: The configuration dictionary as :class:`Config`. This behaves + #: exactly like a regular dictionary but supports additional methods + #: to load a config from files. + self.config = self.make_config(instance_relative_config) + + #: A list of functions that are called when :meth:`url_for` raises a + #: :exc:`~werkzeug.routing.BuildError`. Each function registered here + #: is called with `error`, `endpoint` and `values`. If a function + #: returns ``None`` or raises a :exc:`BuildError` the next function is + #: tried. + #: + #: .. versionadded:: 0.9 + self.url_build_error_handlers: t.List[ + t.Callable[[Exception, str, dict], str] + ] = [] + + #: A list of functions that will be called at the beginning of the + #: first request to this instance. To register a function, use the + #: :meth:`before_first_request` decorator. + #: + #: .. versionadded:: 0.8 + self.before_first_request_funcs: t.List[BeforeRequestCallable] = [] + + #: A list of functions that are called when the application context + #: is destroyed. Since the application context is also torn down + #: if the request ends this is the place to store code that disconnects + #: from databases. + #: + #: .. versionadded:: 0.9 + self.teardown_appcontext_funcs: t.List[TeardownCallable] = [] + + #: A list of shell context processor functions that should be run + #: when a shell context is created. + #: + #: .. versionadded:: 0.11 + self.shell_context_processors: t.List[t.Callable[[], t.Dict[str, t.Any]]] = [] + + #: Maps registered blueprint names to blueprint objects. The + #: dict retains the order the blueprints were registered in. + #: Blueprints can be registered multiple times, this dict does + #: not track how often they were attached. + #: + #: .. versionadded:: 0.7 + self.blueprints: t.Dict[str, "Blueprint"] = {} + + #: a place where extensions can store application specific state. For + #: example this is where an extension could store database engines and + #: similar things. + #: + #: The key must match the name of the extension module. For example in + #: case of a "Flask-Foo" extension in `flask_foo`, the key would be + #: ``'foo'``. + #: + #: .. versionadded:: 0.7 + self.extensions: dict = {} + + #: The :class:`~werkzeug.routing.Map` for this instance. You can use + #: this to change the routing converters after the class was created + #: but before any routes are connected. Example:: + #: + #: from werkzeug.routing import BaseConverter + #: + #: class ListConverter(BaseConverter): + #: def to_python(self, value): + #: return value.split(',') + #: def to_url(self, values): + #: return ','.join(super(ListConverter, self).to_url(value) + #: for value in values) + #: + #: app = Flask(__name__) + #: app.url_map.converters['list'] = ListConverter + self.url_map = self.url_map_class() + + self.url_map.host_matching = host_matching + self.subdomain_matching = subdomain_matching + + # tracks internally if the application already handled at least one + # request. + self._got_first_request = False + self._before_request_lock = Lock() + + # Add a static route using the provided static_url_path, static_host, + # and static_folder if there is a configured static_folder. + # Note we do this without checking if static_folder exists. + # For one, it might be created while the server is running (e.g. during + # development). Also, Google App Engine stores static files somewhere + if self.has_static_folder: + assert ( + bool(static_host) == host_matching + ), "Invalid static_host/host_matching combination" + # Use a weakref to avoid creating a reference cycle between the app + # and the view function (see #3761). + self_ref = weakref.ref(self) + self.add_url_rule( + f"{self.static_url_path}/", + endpoint="static", + host=static_host, + view_func=lambda **kw: self_ref().send_static_file(**kw), # type: ignore # noqa: B950 + ) + + # Set the name of the Click group in case someone wants to add + # the app's commands to another CLI tool. + self.cli.name = self.name + + def _is_setup_finished(self) -> bool: + return self.debug and self._got_first_request + + @locked_cached_property + def name(self) -> str: # type: ignore + """The name of the application. This is usually the import name + with the difference that it's guessed from the run file if the + import name is main. This name is used as a display name when + Flask needs the name of the application. It can be set and overridden + to change the value. + + .. versionadded:: 0.8 + """ + if self.import_name == "__main__": + fn = getattr(sys.modules["__main__"], "__file__", None) + if fn is None: + return "__main__" + return os.path.splitext(os.path.basename(fn))[0] + return self.import_name + + @property + def propagate_exceptions(self) -> bool: + """Returns the value of the ``PROPAGATE_EXCEPTIONS`` configuration + value in case it's set, otherwise a sensible default is returned. + + .. versionadded:: 0.7 + """ + rv = self.config["PROPAGATE_EXCEPTIONS"] + if rv is not None: + return rv + return self.testing or self.debug + + @property + def preserve_context_on_exception(self) -> bool: + """Returns the value of the ``PRESERVE_CONTEXT_ON_EXCEPTION`` + configuration value in case it's set, otherwise a sensible default + is returned. + + .. versionadded:: 0.7 + """ + rv = self.config["PRESERVE_CONTEXT_ON_EXCEPTION"] + if rv is not None: + return rv + return self.debug + + @locked_cached_property + def logger(self) -> logging.Logger: + """A standard Python :class:`~logging.Logger` for the app, with + the same name as :attr:`name`. + + In debug mode, the logger's :attr:`~logging.Logger.level` will + be set to :data:`~logging.DEBUG`. + + If there are no handlers configured, a default handler will be + added. See :doc:`/logging` for more information. + + .. versionchanged:: 1.1.0 + The logger takes the same name as :attr:`name` rather than + hard-coding ``"flask.app"``. + + .. versionchanged:: 1.0.0 + Behavior was simplified. The logger is always named + ``"flask.app"``. The level is only set during configuration, + it doesn't check ``app.debug`` each time. Only one format is + used, not different ones depending on ``app.debug``. No + handlers are removed, and a handler is only added if no + handlers are already configured. + + .. versionadded:: 0.3 + """ + return create_logger(self) + + @locked_cached_property + def jinja_env(self) -> Environment: + """The Jinja environment used to load templates. + + The environment is created the first time this property is + accessed. Changing :attr:`jinja_options` after that will have no + effect. + """ + return self.create_jinja_environment() + + @property + def got_first_request(self) -> bool: + """This attribute is set to ``True`` if the application started + handling the first request. + + .. versionadded:: 0.8 + """ + return self._got_first_request + + def make_config(self, instance_relative: bool = False) -> Config: + """Used to create the config attribute by the Flask constructor. + The `instance_relative` parameter is passed in from the constructor + of Flask (there named `instance_relative_config`) and indicates if + the config should be relative to the instance path or the root path + of the application. + + .. versionadded:: 0.8 + """ + root_path = self.root_path + if instance_relative: + root_path = self.instance_path + defaults = dict(self.default_config) + defaults["ENV"] = get_env() + defaults["DEBUG"] = get_debug_flag() + return self.config_class(root_path, defaults) + + def auto_find_instance_path(self) -> str: + """Tries to locate the instance path if it was not provided to the + constructor of the application class. It will basically calculate + the path to a folder named ``instance`` next to your main file or + the package. + + .. versionadded:: 0.8 + """ + prefix, package_path = find_package(self.import_name) + if prefix is None: + return os.path.join(package_path, "instance") + return os.path.join(prefix, "var", f"{self.name}-instance") + + def open_instance_resource(self, resource: str, mode: str = "rb") -> t.IO[t.AnyStr]: + """Opens a resource from the application's instance folder + (:attr:`instance_path`). Otherwise works like + :meth:`open_resource`. Instance resources can also be opened for + writing. + + :param resource: the name of the resource. To access resources within + subfolders use forward slashes as separator. + :param mode: resource file opening mode, default is 'rb'. + """ + return open(os.path.join(self.instance_path, resource), mode) + + @property + def templates_auto_reload(self) -> bool: + """Reload templates when they are changed. Used by + :meth:`create_jinja_environment`. + + This attribute can be configured with :data:`TEMPLATES_AUTO_RELOAD`. If + not set, it will be enabled in debug mode. + + .. versionadded:: 1.0 + This property was added but the underlying config and behavior + already existed. + """ + rv = self.config["TEMPLATES_AUTO_RELOAD"] + return rv if rv is not None else self.debug + + @templates_auto_reload.setter + def templates_auto_reload(self, value: bool) -> None: + self.config["TEMPLATES_AUTO_RELOAD"] = value + + def create_jinja_environment(self) -> Environment: + """Create the Jinja environment based on :attr:`jinja_options` + and the various Jinja-related methods of the app. Changing + :attr:`jinja_options` after this will have no effect. Also adds + Flask-related globals and filters to the environment. + + .. versionchanged:: 0.11 + ``Environment.auto_reload`` set in accordance with + ``TEMPLATES_AUTO_RELOAD`` configuration option. + + .. versionadded:: 0.5 + """ + options = dict(self.jinja_options) + + if "autoescape" not in options: + options["autoescape"] = self.select_jinja_autoescape + + if "auto_reload" not in options: + options["auto_reload"] = self.templates_auto_reload + + rv = self.jinja_environment(self, **options) + rv.globals.update( + url_for=url_for, + get_flashed_messages=get_flashed_messages, + config=self.config, + # request, session and g are normally added with the + # context processor for efficiency reasons but for imported + # templates we also want the proxies in there. + request=request, + session=session, + g=g, + ) + rv.policies["json.dumps_function"] = json.dumps + return rv + + def create_global_jinja_loader(self) -> DispatchingJinjaLoader: + """Creates the loader for the Jinja2 environment. Can be used to + override just the loader and keeping the rest unchanged. It's + discouraged to override this function. Instead one should override + the :meth:`jinja_loader` function instead. + + The global loader dispatches between the loaders of the application + and the individual blueprints. + + .. versionadded:: 0.7 + """ + return DispatchingJinjaLoader(self) + + def select_jinja_autoescape(self, filename: str) -> bool: + """Returns ``True`` if autoescaping should be active for the given + template name. If no template name is given, returns `True`. + + .. versionadded:: 0.5 + """ + if filename is None: + return True + return filename.endswith((".html", ".htm", ".xml", ".xhtml")) + + def update_template_context(self, context: dict) -> None: + """Update the template context with some commonly used variables. + This injects request, session, config and g into the template + context as well as everything template context processors want + to inject. Note that the as of Flask 0.6, the original values + in the context will not be overridden if a context processor + decides to return a value with the same key. + + :param context: the context as a dictionary that is updated in place + to add extra variables. + """ + funcs: t.Iterable[ + TemplateContextProcessorCallable + ] = self.template_context_processors[None] + reqctx = _request_ctx_stack.top + if reqctx is not None: + for bp in request.blueprints: + if bp in self.template_context_processors: + funcs = chain(funcs, self.template_context_processors[bp]) + orig_ctx = context.copy() + for func in funcs: + context.update(func()) + # make sure the original values win. This makes it possible to + # easier add new variables in context processors without breaking + # existing views. + context.update(orig_ctx) + + def make_shell_context(self) -> dict: + """Returns the shell context for an interactive shell for this + application. This runs all the registered shell context + processors. + + .. versionadded:: 0.11 + """ + rv = {"app": self, "g": g} + for processor in self.shell_context_processors: + rv.update(processor()) + return rv + + #: What environment the app is running in. Flask and extensions may + #: enable behaviors based on the environment, such as enabling debug + #: mode. This maps to the :data:`ENV` config key. This is set by the + #: :envvar:`FLASK_ENV` environment variable and may not behave as + #: expected if set in code. + #: + #: **Do not enable development when deploying in production.** + #: + #: Default: ``'production'`` + env = ConfigAttribute("ENV") + + @property + def debug(self) -> bool: + """Whether debug mode is enabled. When using ``flask run`` to start + the development server, an interactive debugger will be shown for + unhandled exceptions, and the server will be reloaded when code + changes. This maps to the :data:`DEBUG` config key. This is + enabled when :attr:`env` is ``'development'`` and is overridden + by the ``FLASK_DEBUG`` environment variable. It may not behave as + expected if set in code. + + **Do not enable debug mode when deploying in production.** + + Default: ``True`` if :attr:`env` is ``'development'``, or + ``False`` otherwise. + """ + return self.config["DEBUG"] + + @debug.setter + def debug(self, value: bool) -> None: + self.config["DEBUG"] = value + self.jinja_env.auto_reload = self.templates_auto_reload + + def run( + self, + host: t.Optional[str] = None, + port: t.Optional[int] = None, + debug: t.Optional[bool] = None, + load_dotenv: bool = True, + **options: t.Any, + ) -> None: + """Runs the application on a local development server. + + Do not use ``run()`` in a production setting. It is not intended to + meet security and performance requirements for a production server. + Instead, see :doc:`/deploying/index` for WSGI server recommendations. + + If the :attr:`debug` flag is set the server will automatically reload + for code changes and show a debugger in case an exception happened. + + If you want to run the application in debug mode, but disable the + code execution on the interactive debugger, you can pass + ``use_evalex=False`` as parameter. This will keep the debugger's + traceback screen active, but disable code execution. + + It is not recommended to use this function for development with + automatic reloading as this is badly supported. Instead you should + be using the :command:`flask` command line script's ``run`` support. + + .. admonition:: Keep in Mind + + Flask will suppress any server error with a generic error page + unless it is in debug mode. As such to enable just the + interactive debugger without the code reloading, you have to + invoke :meth:`run` with ``debug=True`` and ``use_reloader=False``. + Setting ``use_debugger`` to ``True`` without being in debug mode + won't catch any exceptions because there won't be any to + catch. + + :param host: the hostname to listen on. Set this to ``'0.0.0.0'`` to + have the server available externally as well. Defaults to + ``'127.0.0.1'`` or the host in the ``SERVER_NAME`` config variable + if present. + :param port: the port of the webserver. Defaults to ``5000`` or the + port defined in the ``SERVER_NAME`` config variable if present. + :param debug: if given, enable or disable debug mode. See + :attr:`debug`. + :param load_dotenv: Load the nearest :file:`.env` and :file:`.flaskenv` + files to set environment variables. Will also change the working + directory to the directory containing the first file found. + :param options: the options to be forwarded to the underlying Werkzeug + server. See :func:`werkzeug.serving.run_simple` for more + information. + + .. versionchanged:: 1.0 + If installed, python-dotenv will be used to load environment + variables from :file:`.env` and :file:`.flaskenv` files. + + If set, the :envvar:`FLASK_ENV` and :envvar:`FLASK_DEBUG` + environment variables will override :attr:`env` and + :attr:`debug`. + + Threaded mode is enabled by default. + + .. versionchanged:: 0.10 + The default port is now picked from the ``SERVER_NAME`` + variable. + """ + # Change this into a no-op if the server is invoked from the + # command line. Have a look at cli.py for more information. + if os.environ.get("FLASK_RUN_FROM_CLI") == "true": + from .debughelpers import explain_ignored_app_run + + explain_ignored_app_run() + return + + if get_load_dotenv(load_dotenv): + cli.load_dotenv() + + # if set, let env vars override previous values + if "FLASK_ENV" in os.environ: + self.env = get_env() + self.debug = get_debug_flag() + elif "FLASK_DEBUG" in os.environ: + self.debug = get_debug_flag() + + # debug passed to method overrides all other sources + if debug is not None: + self.debug = bool(debug) + + server_name = self.config.get("SERVER_NAME") + sn_host = sn_port = None + + if server_name: + sn_host, _, sn_port = server_name.partition(":") + + if not host: + if sn_host: + host = sn_host + else: + host = "127.0.0.1" + + if port or port == 0: + port = int(port) + elif sn_port: + port = int(sn_port) + else: + port = 5000 + + options.setdefault("use_reloader", self.debug) + options.setdefault("use_debugger", self.debug) + options.setdefault("threaded", True) + + cli.show_server_banner(self.env, self.debug, self.name, False) + + from werkzeug.serving import run_simple + + try: + run_simple(t.cast(str, host), port, self, **options) + finally: + # reset the first request information if the development server + # reset normally. This makes it possible to restart the server + # without reloader and that stuff from an interactive shell. + self._got_first_request = False + + def test_client(self, use_cookies: bool = True, **kwargs: t.Any) -> "FlaskClient": + """Creates a test client for this application. For information + about unit testing head over to :doc:`/testing`. + + Note that if you are testing for assertions or exceptions in your + application code, you must set ``app.testing = True`` in order for the + exceptions to propagate to the test client. Otherwise, the exception + will be handled by the application (not visible to the test client) and + the only indication of an AssertionError or other exception will be a + 500 status code response to the test client. See the :attr:`testing` + attribute. For example:: + + app.testing = True + client = app.test_client() + + The test client can be used in a ``with`` block to defer the closing down + of the context until the end of the ``with`` block. This is useful if + you want to access the context locals for testing:: + + with app.test_client() as c: + rv = c.get('/?vodka=42') + assert request.args['vodka'] == '42' + + Additionally, you may pass optional keyword arguments that will then + be passed to the application's :attr:`test_client_class` constructor. + For example:: + + from flask.testing import FlaskClient + + class CustomClient(FlaskClient): + def __init__(self, *args, **kwargs): + self._authentication = kwargs.pop("authentication") + super(CustomClient,self).__init__( *args, **kwargs) + + app.test_client_class = CustomClient + client = app.test_client(authentication='Basic ....') + + See :class:`~flask.testing.FlaskClient` for more information. + + .. versionchanged:: 0.4 + added support for ``with`` block usage for the client. + + .. versionadded:: 0.7 + The `use_cookies` parameter was added as well as the ability + to override the client to be used by setting the + :attr:`test_client_class` attribute. + + .. versionchanged:: 0.11 + Added `**kwargs` to support passing additional keyword arguments to + the constructor of :attr:`test_client_class`. + """ + cls = self.test_client_class + if cls is None: + from .testing import FlaskClient as cls # type: ignore + return cls( # type: ignore + self, self.response_class, use_cookies=use_cookies, **kwargs + ) + + def test_cli_runner(self, **kwargs: t.Any) -> "FlaskCliRunner": + """Create a CLI runner for testing CLI commands. + See :ref:`testing-cli`. + + Returns an instance of :attr:`test_cli_runner_class`, by default + :class:`~flask.testing.FlaskCliRunner`. The Flask app object is + passed as the first argument. + + .. versionadded:: 1.0 + """ + cls = self.test_cli_runner_class + + if cls is None: + from .testing import FlaskCliRunner as cls # type: ignore + + return cls(self, **kwargs) # type: ignore + + @setupmethod + def register_blueprint(self, blueprint: "Blueprint", **options: t.Any) -> None: + """Register a :class:`~flask.Blueprint` on the application. Keyword + arguments passed to this method will override the defaults set on the + blueprint. + + Calls the blueprint's :meth:`~flask.Blueprint.register` method after + recording the blueprint in the application's :attr:`blueprints`. + + :param blueprint: The blueprint to register. + :param url_prefix: Blueprint routes will be prefixed with this. + :param subdomain: Blueprint routes will match on this subdomain. + :param url_defaults: Blueprint routes will use these default values for + view arguments. + :param options: Additional keyword arguments are passed to + :class:`~flask.blueprints.BlueprintSetupState`. They can be + accessed in :meth:`~flask.Blueprint.record` callbacks. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + + .. versionadded:: 0.7 + """ + blueprint.register(self, options) + + def iter_blueprints(self) -> t.ValuesView["Blueprint"]: + """Iterates over all blueprints by the order they were registered. + + .. versionadded:: 0.11 + """ + return self.blueprints.values() + + @setupmethod + def add_url_rule( + self, + rule: str, + endpoint: t.Optional[str] = None, + view_func: t.Optional[t.Callable] = None, + provide_automatic_options: t.Optional[bool] = None, + **options: t.Any, + ) -> None: + if endpoint is None: + endpoint = _endpoint_from_view_func(view_func) # type: ignore + options["endpoint"] = endpoint + methods = options.pop("methods", None) + + # if the methods are not given and the view_func object knows its + # methods we can use that instead. If neither exists, we go with + # a tuple of only ``GET`` as default. + if methods is None: + methods = getattr(view_func, "methods", None) or ("GET",) + if isinstance(methods, str): + raise TypeError( + "Allowed methods must be a list of strings, for" + ' example: @app.route(..., methods=["POST"])' + ) + methods = {item.upper() for item in methods} + + # Methods that should always be added + required_methods = set(getattr(view_func, "required_methods", ())) + + # starting with Flask 0.8 the view_func object can disable and + # force-enable the automatic options handling. + if provide_automatic_options is None: + provide_automatic_options = getattr( + view_func, "provide_automatic_options", None + ) + + if provide_automatic_options is None: + if "OPTIONS" not in methods: + provide_automatic_options = True + required_methods.add("OPTIONS") + else: + provide_automatic_options = False + + # Add the required methods now. + methods |= required_methods + + rule = self.url_rule_class(rule, methods=methods, **options) + rule.provide_automatic_options = provide_automatic_options # type: ignore + + self.url_map.add(rule) + if view_func is not None: + old_func = self.view_functions.get(endpoint) + if old_func is not None and old_func != view_func: + raise AssertionError( + "View function mapping is overwriting an existing" + f" endpoint function: {endpoint}" + ) + self.view_functions[endpoint] = view_func + + @setupmethod + def template_filter( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateFilterCallable], TemplateFilterCallable]: + """A decorator that is used to register custom template filter. + You can specify a name for the filter, otherwise the function + name will be used. Example:: + + @app.template_filter() + def reverse(s): + return s[::-1] + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def decorator(f: TemplateFilterCallable) -> TemplateFilterCallable: + self.add_template_filter(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_filter( + self, f: TemplateFilterCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template filter. Works exactly like the + :meth:`template_filter` decorator. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + self.jinja_env.filters[name or f.__name__] = f + + @setupmethod + def template_test( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateTestCallable], TemplateTestCallable]: + """A decorator that is used to register custom template test. + You can specify a name for the test, otherwise the function + name will be used. Example:: + + @app.template_test() + def is_prime(n): + if n == 2: + return True + for i in range(2, int(math.ceil(math.sqrt(n))) + 1): + if n % i == 0: + return False + return True + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def decorator(f: TemplateTestCallable) -> TemplateTestCallable: + self.add_template_test(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_test( + self, f: TemplateTestCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template test. Works exactly like the + :meth:`template_test` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + self.jinja_env.tests[name or f.__name__] = f + + @setupmethod + def template_global( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateGlobalCallable], TemplateGlobalCallable]: + """A decorator that is used to register a custom template global function. + You can specify a name for the global function, otherwise the function + name will be used. Example:: + + @app.template_global() + def double(n): + return 2 * n + + .. versionadded:: 0.10 + + :param name: the optional name of the global function, otherwise the + function name will be used. + """ + + def decorator(f: TemplateGlobalCallable) -> TemplateGlobalCallable: + self.add_template_global(f, name=name) + return f + + return decorator + + @setupmethod + def add_template_global( + self, f: TemplateGlobalCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template global function. Works exactly like the + :meth:`template_global` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the global function, otherwise the + function name will be used. + """ + self.jinja_env.globals[name or f.__name__] = f + + @setupmethod + def before_first_request(self, f: BeforeRequestCallable) -> BeforeRequestCallable: + """Registers a function to be run before the first request to this + instance of the application. + + The function will be called without any arguments and its return + value is ignored. + + .. versionadded:: 0.8 + """ + self.before_first_request_funcs.append(f) + return f + + @setupmethod + def teardown_appcontext(self, f: TeardownCallable) -> TeardownCallable: + """Registers a function to be called when the application context + ends. These functions are typically also called when the request + context is popped. + + Example:: + + ctx = app.app_context() + ctx.push() + ... + ctx.pop() + + When ``ctx.pop()`` is executed in the above example, the teardown + functions are called just before the app context moves from the + stack of active contexts. This becomes relevant if you are using + such constructs in tests. + + Since a request context typically also manages an application + context it would also be called when you pop a request context. + + When a teardown function was called because of an unhandled exception + it will be passed an error object. If an :meth:`errorhandler` is + registered, it will handle the exception and the teardown will not + receive it. + + The return values of teardown functions are ignored. + + .. versionadded:: 0.9 + """ + self.teardown_appcontext_funcs.append(f) + return f + + @setupmethod + def shell_context_processor(self, f: t.Callable) -> t.Callable: + """Registers a shell context processor function. + + .. versionadded:: 0.11 + """ + self.shell_context_processors.append(f) + return f + + def _find_error_handler(self, e: Exception) -> t.Optional[ErrorHandlerCallable]: + """Return a registered error handler for an exception in this order: + blueprint handler for a specific code, app handler for a specific code, + blueprint handler for an exception class, app handler for an exception + class, or ``None`` if a suitable handler is not found. + """ + exc_class, code = self._get_exc_class_and_code(type(e)) + + for c in [code, None]: + for name in chain(request.blueprints, [None]): + handler_map = self.error_handler_spec[name][c] + + if not handler_map: + continue + + for cls in exc_class.__mro__: + handler = handler_map.get(cls) + + if handler is not None: + return handler + return None + + def handle_http_exception( + self, e: HTTPException + ) -> t.Union[HTTPException, ResponseReturnValue]: + """Handles an HTTP exception. By default this will invoke the + registered error handlers and fall back to returning the + exception as response. + + .. versionchanged:: 1.0.3 + ``RoutingException``, used internally for actions such as + slash redirects during routing, is not passed to error + handlers. + + .. versionchanged:: 1.0 + Exceptions are looked up by code *and* by MRO, so + ``HTTPExcpetion`` subclasses can be handled with a catch-all + handler for the base ``HTTPException``. + + .. versionadded:: 0.3 + """ + # Proxy exceptions don't have error codes. We want to always return + # those unchanged as errors + if e.code is None: + return e + + # RoutingExceptions are used internally to trigger routing + # actions, such as slash redirects raising RequestRedirect. They + # are not raised or handled in user code. + if isinstance(e, RoutingException): + return e + + handler = self._find_error_handler(e) + if handler is None: + return e + return self.ensure_sync(handler)(e) + + def trap_http_exception(self, e: Exception) -> bool: + """Checks if an HTTP exception should be trapped or not. By default + this will return ``False`` for all exceptions except for a bad request + key error if ``TRAP_BAD_REQUEST_ERRORS`` is set to ``True``. It + also returns ``True`` if ``TRAP_HTTP_EXCEPTIONS`` is set to ``True``. + + This is called for all HTTP exceptions raised by a view function. + If it returns ``True`` for any exception the error handler for this + exception is not called and it shows up as regular exception in the + traceback. This is helpful for debugging implicitly raised HTTP + exceptions. + + .. versionchanged:: 1.0 + Bad request errors are not trapped by default in debug mode. + + .. versionadded:: 0.8 + """ + if self.config["TRAP_HTTP_EXCEPTIONS"]: + return True + + trap_bad_request = self.config["TRAP_BAD_REQUEST_ERRORS"] + + # if unset, trap key errors in debug mode + if ( + trap_bad_request is None + and self.debug + and isinstance(e, BadRequestKeyError) + ): + return True + + if trap_bad_request: + return isinstance(e, BadRequest) + + return False + + def handle_user_exception( + self, e: Exception + ) -> t.Union[HTTPException, ResponseReturnValue]: + """This method is called whenever an exception occurs that + should be handled. A special case is :class:`~werkzeug + .exceptions.HTTPException` which is forwarded to the + :meth:`handle_http_exception` method. This function will either + return a response value or reraise the exception with the same + traceback. + + .. versionchanged:: 1.0 + Key errors raised from request data like ``form`` show the + bad key in debug mode rather than a generic bad request + message. + + .. versionadded:: 0.7 + """ + if isinstance(e, BadRequestKeyError) and ( + self.debug or self.config["TRAP_BAD_REQUEST_ERRORS"] + ): + e.show_exception = True + + if isinstance(e, HTTPException) and not self.trap_http_exception(e): + return self.handle_http_exception(e) + + handler = self._find_error_handler(e) + + if handler is None: + raise + + return self.ensure_sync(handler)(e) + + def handle_exception(self, e: Exception) -> Response: + """Handle an exception that did not have an error handler + associated with it, or that was raised from an error handler. + This always causes a 500 ``InternalServerError``. + + Always sends the :data:`got_request_exception` signal. + + If :attr:`propagate_exceptions` is ``True``, such as in debug + mode, the error will be re-raised so that the debugger can + display it. Otherwise, the original exception is logged, and + an :exc:`~werkzeug.exceptions.InternalServerError` is returned. + + If an error handler is registered for ``InternalServerError`` or + ``500``, it will be used. For consistency, the handler will + always receive the ``InternalServerError``. The original + unhandled exception is available as ``e.original_exception``. + + .. versionchanged:: 1.1.0 + Always passes the ``InternalServerError`` instance to the + handler, setting ``original_exception`` to the unhandled + error. + + .. versionchanged:: 1.1.0 + ``after_request`` functions and other finalization is done + even for the default 500 response when there is no handler. + + .. versionadded:: 0.3 + """ + exc_info = sys.exc_info() + got_request_exception.send(self, exception=e) + + if self.propagate_exceptions: + # Re-raise if called with an active exception, otherwise + # raise the passed in exception. + if exc_info[1] is e: + raise + + raise e + + self.log_exception(exc_info) + server_error: t.Union[InternalServerError, ResponseReturnValue] + server_error = InternalServerError(original_exception=e) + handler = self._find_error_handler(server_error) + + if handler is not None: + server_error = self.ensure_sync(handler)(server_error) + + return self.finalize_request(server_error, from_error_handler=True) + + def log_exception( + self, + exc_info: t.Union[ + t.Tuple[type, BaseException, TracebackType], t.Tuple[None, None, None] + ], + ) -> None: + """Logs an exception. This is called by :meth:`handle_exception` + if debugging is disabled and right before the handler is called. + The default implementation logs the exception as error on the + :attr:`logger`. + + .. versionadded:: 0.8 + """ + self.logger.error( + f"Exception on {request.path} [{request.method}]", exc_info=exc_info + ) + + def raise_routing_exception(self, request: Request) -> "te.NoReturn": + """Exceptions that are recording during routing are reraised with + this method. During debug we are not reraising redirect requests + for non ``GET``, ``HEAD``, or ``OPTIONS`` requests and we're raising + a different error instead to help debug situations. + + :internal: + """ + if ( + not self.debug + or not isinstance(request.routing_exception, RequestRedirect) + or request.method in ("GET", "HEAD", "OPTIONS") + ): + raise request.routing_exception # type: ignore + + from .debughelpers import FormDataRoutingRedirect + + raise FormDataRoutingRedirect(request) + + def dispatch_request(self) -> ResponseReturnValue: + """Does the request dispatching. Matches the URL and returns the + return value of the view or error handler. This does not have to + be a response object. In order to convert the return value to a + proper response object, call :func:`make_response`. + + .. versionchanged:: 0.7 + This no longer does the exception handling, this code was + moved to the new :meth:`full_dispatch_request`. + """ + req = _request_ctx_stack.top.request + if req.routing_exception is not None: + self.raise_routing_exception(req) + rule = req.url_rule + # if we provide automatic options for this URL and the + # request came with the OPTIONS method, reply automatically + if ( + getattr(rule, "provide_automatic_options", False) + and req.method == "OPTIONS" + ): + return self.make_default_options_response() + # otherwise dispatch to the handler for that endpoint + return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args) + + def full_dispatch_request(self) -> Response: + """Dispatches the request and on top of that performs request + pre and postprocessing as well as HTTP exception catching and + error handling. + + .. versionadded:: 0.7 + """ + self.try_trigger_before_first_request_functions() + try: + request_started.send(self) + rv = self.preprocess_request() + if rv is None: + rv = self.dispatch_request() + except Exception as e: + rv = self.handle_user_exception(e) + return self.finalize_request(rv) + + def finalize_request( + self, + rv: t.Union[ResponseReturnValue, HTTPException], + from_error_handler: bool = False, + ) -> Response: + """Given the return value from a view function this finalizes + the request by converting it into a response and invoking the + postprocessing functions. This is invoked for both normal + request dispatching as well as error handlers. + + Because this means that it might be called as a result of a + failure a special safe mode is available which can be enabled + with the `from_error_handler` flag. If enabled, failures in + response processing will be logged and otherwise ignored. + + :internal: + """ + response = self.make_response(rv) + try: + response = self.process_response(response) + request_finished.send(self, response=response) + except Exception: + if not from_error_handler: + raise + self.logger.exception( + "Request finalizing failed with an error while handling an error" + ) + return response + + def try_trigger_before_first_request_functions(self) -> None: + """Called before each request and will ensure that it triggers + the :attr:`before_first_request_funcs` and only exactly once per + application instance (which means process usually). + + :internal: + """ + if self._got_first_request: + return + with self._before_request_lock: + if self._got_first_request: + return + for func in self.before_first_request_funcs: + self.ensure_sync(func)() + self._got_first_request = True + + def make_default_options_response(self) -> Response: + """This method is called to create the default ``OPTIONS`` response. + This can be changed through subclassing to change the default + behavior of ``OPTIONS`` responses. + + .. versionadded:: 0.7 + """ + adapter = _request_ctx_stack.top.url_adapter + methods = adapter.allowed_methods() + rv = self.response_class() + rv.allow.update(methods) + return rv + + def should_ignore_error(self, error: t.Optional[BaseException]) -> bool: + """This is called to figure out if an error should be ignored + or not as far as the teardown system is concerned. If this + function returns ``True`` then the teardown handlers will not be + passed the error. + + .. versionadded:: 0.10 + """ + return False + + def ensure_sync(self, func: t.Callable) -> t.Callable: + """Ensure that the function is synchronous for WSGI workers. + Plain ``def`` functions are returned as-is. ``async def`` + functions are wrapped to run and wait for the response. + + Override this method to change how the app runs async views. + + .. versionadded:: 2.0 + """ + if iscoroutinefunction(func): + return self.async_to_sync(func) + + return func + + def async_to_sync( + self, func: t.Callable[..., t.Coroutine] + ) -> t.Callable[..., t.Any]: + """Return a sync function that will run the coroutine function. + + .. code-block:: python + + result = app.async_to_sync(func)(*args, **kwargs) + + Override this method to change how the app converts async code + to be synchronously callable. + + .. versionadded:: 2.0 + """ + try: + from asgiref.sync import async_to_sync as asgiref_async_to_sync + except ImportError: + raise RuntimeError( + "Install Flask with the 'async' extra in order to use async views." + ) + + # Check that Werkzeug isn't using its fallback ContextVar class. + if ContextVar.__module__ == "werkzeug.local": + raise RuntimeError( + "Async cannot be used with this combination of Python " + "and Greenlet versions." + ) + + return asgiref_async_to_sync(func) + + def make_response(self, rv: ResponseReturnValue) -> Response: + """Convert the return value from a view function to an instance of + :attr:`response_class`. + + :param rv: the return value from the view function. The view function + must return a response. Returning ``None``, or the view ending + without returning, is not allowed. The following types are allowed + for ``view_rv``: + + ``str`` + A response object is created with the string encoded to UTF-8 + as the body. + + ``bytes`` + A response object is created with the bytes as the body. + + ``dict`` + A dictionary that will be jsonify'd before being returned. + + ``tuple`` + Either ``(body, status, headers)``, ``(body, status)``, or + ``(body, headers)``, where ``body`` is any of the other types + allowed here, ``status`` is a string or an integer, and + ``headers`` is a dictionary or a list of ``(key, value)`` + tuples. If ``body`` is a :attr:`response_class` instance, + ``status`` overwrites the exiting value and ``headers`` are + extended. + + :attr:`response_class` + The object is returned unchanged. + + other :class:`~werkzeug.wrappers.Response` class + The object is coerced to :attr:`response_class`. + + :func:`callable` + The function is called as a WSGI application. The result is + used to create a response object. + + .. versionchanged:: 0.9 + Previously a tuple was interpreted as the arguments for the + response object. + """ + + status = headers = None + + # unpack tuple returns + if isinstance(rv, tuple): + len_rv = len(rv) + + # a 3-tuple is unpacked directly + if len_rv == 3: + rv, status, headers = rv + # decide if a 2-tuple has status or headers + elif len_rv == 2: + if isinstance(rv[1], (Headers, dict, tuple, list)): + rv, headers = rv + else: + rv, status = rv + # other sized tuples are not allowed + else: + raise TypeError( + "The view function did not return a valid response tuple." + " The tuple must have the form (body, status, headers)," + " (body, status), or (body, headers)." + ) + + # the body must not be None + if rv is None: + raise TypeError( + f"The view function for {request.endpoint!r} did not" + " return a valid response. The function either returned" + " None or ended without a return statement." + ) + + # make sure the body is an instance of the response class + if not isinstance(rv, self.response_class): + if isinstance(rv, (str, bytes, bytearray)): + # let the response class set the status and headers instead of + # waiting to do it manually, so that the class can handle any + # special logic + rv = self.response_class(rv, status=status, headers=headers) + status = headers = None + elif isinstance(rv, dict): + rv = jsonify(rv) + elif isinstance(rv, BaseResponse) or callable(rv): + # evaluate a WSGI callable, or coerce a different response + # class to the correct type + try: + rv = self.response_class.force_type(rv, request.environ) # type: ignore # noqa: B950 + except TypeError as e: + raise TypeError( + f"{e}\nThe view function did not return a valid" + " response. The return type must be a string," + " dict, tuple, Response instance, or WSGI" + f" callable, but it was a {type(rv).__name__}." + ).with_traceback(sys.exc_info()[2]) + else: + raise TypeError( + "The view function did not return a valid" + " response. The return type must be a string," + " dict, tuple, Response instance, or WSGI" + f" callable, but it was a {type(rv).__name__}." + ) + + rv = t.cast(Response, rv) + # prefer the status if it was provided + if status is not None: + if isinstance(status, (str, bytes, bytearray)): + rv.status = status # type: ignore + else: + rv.status_code = status + + # extend existing headers with provided headers + if headers: + rv.headers.update(headers) + + return rv + + def create_url_adapter( + self, request: t.Optional[Request] + ) -> t.Optional[MapAdapter]: + """Creates a URL adapter for the given request. The URL adapter + is created at a point where the request context is not yet set + up so the request is passed explicitly. + + .. versionadded:: 0.6 + + .. versionchanged:: 0.9 + This can now also be called without a request object when the + URL adapter is created for the application context. + + .. versionchanged:: 1.0 + :data:`SERVER_NAME` no longer implicitly enables subdomain + matching. Use :attr:`subdomain_matching` instead. + """ + if request is not None: + # If subdomain matching is disabled (the default), use the + # default subdomain in all cases. This should be the default + # in Werkzeug but it currently does not have that feature. + if not self.subdomain_matching: + subdomain = self.url_map.default_subdomain or None + else: + subdomain = None + + return self.url_map.bind_to_environ( + request.environ, + server_name=self.config["SERVER_NAME"], + subdomain=subdomain, + ) + # We need at the very least the server name to be set for this + # to work. + if self.config["SERVER_NAME"] is not None: + return self.url_map.bind( + self.config["SERVER_NAME"], + script_name=self.config["APPLICATION_ROOT"], + url_scheme=self.config["PREFERRED_URL_SCHEME"], + ) + + return None + + def inject_url_defaults(self, endpoint: str, values: dict) -> None: + """Injects the URL defaults for the given endpoint directly into + the values dictionary passed. This is used internally and + automatically called on URL building. + + .. versionadded:: 0.7 + """ + funcs: t.Iterable[URLDefaultCallable] = self.url_default_functions[None] + + if "." in endpoint: + # This is called by url_for, which can be called outside a + # request, can't use request.blueprints. + bps = _split_blueprint_path(endpoint.rpartition(".")[0]) + bp_funcs = chain.from_iterable(self.url_default_functions[bp] for bp in bps) + funcs = chain(funcs, bp_funcs) + + for func in funcs: + func(endpoint, values) + + def handle_url_build_error( + self, error: Exception, endpoint: str, values: dict + ) -> str: + """Handle :class:`~werkzeug.routing.BuildError` on + :meth:`url_for`. + """ + for handler in self.url_build_error_handlers: + try: + rv = handler(error, endpoint, values) + except BuildError as e: + # make error available outside except block + error = e + else: + if rv is not None: + return rv + + # Re-raise if called with an active exception, otherwise raise + # the passed in exception. + if error is sys.exc_info()[1]: + raise + + raise error + + def preprocess_request(self) -> t.Optional[ResponseReturnValue]: + """Called before the request is dispatched. Calls + :attr:`url_value_preprocessors` registered with the app and the + current blueprint (if any). Then calls :attr:`before_request_funcs` + registered with the app and the blueprint. + + If any :meth:`before_request` handler returns a non-None value, the + value is handled as if it was the return value from the view, and + further request handling is stopped. + """ + + funcs: t.Iterable[URLValuePreprocessorCallable] = self.url_value_preprocessors[ + None + ] + for bp in request.blueprints: + if bp in self.url_value_preprocessors: + funcs = chain(funcs, self.url_value_preprocessors[bp]) + for func in funcs: + func(request.endpoint, request.view_args) + + funcs: t.Iterable[BeforeRequestCallable] = self.before_request_funcs[None] + for bp in request.blueprints: + if bp in self.before_request_funcs: + funcs = chain(funcs, self.before_request_funcs[bp]) + for func in funcs: + rv = self.ensure_sync(func)() + if rv is not None: + return rv + + return None + + def process_response(self, response: Response) -> Response: + """Can be overridden in order to modify the response object + before it's sent to the WSGI server. By default this will + call all the :meth:`after_request` decorated functions. + + .. versionchanged:: 0.5 + As of Flask 0.5 the functions registered for after request + execution are called in reverse order of registration. + + :param response: a :attr:`response_class` object. + :return: a new response object or the same, has to be an + instance of :attr:`response_class`. + """ + ctx = _request_ctx_stack.top + funcs: t.Iterable[AfterRequestCallable] = ctx._after_request_functions + for bp in request.blueprints: + if bp in self.after_request_funcs: + funcs = chain(funcs, reversed(self.after_request_funcs[bp])) + if None in self.after_request_funcs: + funcs = chain(funcs, reversed(self.after_request_funcs[None])) + for handler in funcs: + response = self.ensure_sync(handler)(response) + if not self.session_interface.is_null_session(ctx.session): + self.session_interface.save_session(self, ctx.session, response) + return response + + def do_teardown_request( + self, exc: t.Optional[BaseException] = _sentinel # type: ignore + ) -> None: + """Called after the request is dispatched and the response is + returned, right before the request context is popped. + + This calls all functions decorated with + :meth:`teardown_request`, and :meth:`Blueprint.teardown_request` + if a blueprint handled the request. Finally, the + :data:`request_tearing_down` signal is sent. + + This is called by + :meth:`RequestContext.pop() `, + which may be delayed during testing to maintain access to + resources. + + :param exc: An unhandled exception raised while dispatching the + request. Detected from the current exception information if + not passed. Passed to each teardown function. + + .. versionchanged:: 0.9 + Added the ``exc`` argument. + """ + if exc is _sentinel: + exc = sys.exc_info()[1] + funcs: t.Iterable[TeardownCallable] = reversed( + self.teardown_request_funcs[None] + ) + for bp in request.blueprints: + if bp in self.teardown_request_funcs: + funcs = chain(funcs, reversed(self.teardown_request_funcs[bp])) + for func in funcs: + self.ensure_sync(func)(exc) + request_tearing_down.send(self, exc=exc) + + def do_teardown_appcontext( + self, exc: t.Optional[BaseException] = _sentinel # type: ignore + ) -> None: + """Called right before the application context is popped. + + When handling a request, the application context is popped + after the request context. See :meth:`do_teardown_request`. + + This calls all functions decorated with + :meth:`teardown_appcontext`. Then the + :data:`appcontext_tearing_down` signal is sent. + + This is called by + :meth:`AppContext.pop() `. + + .. versionadded:: 0.9 + """ + if exc is _sentinel: + exc = sys.exc_info()[1] + for func in reversed(self.teardown_appcontext_funcs): + self.ensure_sync(func)(exc) + appcontext_tearing_down.send(self, exc=exc) + + def app_context(self) -> AppContext: + """Create an :class:`~flask.ctx.AppContext`. Use as a ``with`` + block to push the context, which will make :data:`current_app` + point at this application. + + An application context is automatically pushed by + :meth:`RequestContext.push() ` + when handling a request, and when running a CLI command. Use + this to manually create a context outside of these situations. + + :: + + with app.app_context(): + init_db() + + See :doc:`/appcontext`. + + .. versionadded:: 0.9 + """ + return AppContext(self) + + def request_context(self, environ: dict) -> RequestContext: + """Create a :class:`~flask.ctx.RequestContext` representing a + WSGI environment. Use a ``with`` block to push the context, + which will make :data:`request` point at this request. + + See :doc:`/reqcontext`. + + Typically you should not call this from your own code. A request + context is automatically pushed by the :meth:`wsgi_app` when + handling a request. Use :meth:`test_request_context` to create + an environment and context instead of this method. + + :param environ: a WSGI environment + """ + return RequestContext(self, environ) + + def test_request_context(self, *args: t.Any, **kwargs: t.Any) -> RequestContext: + """Create a :class:`~flask.ctx.RequestContext` for a WSGI + environment created from the given values. This is mostly useful + during testing, where you may want to run a function that uses + request data without dispatching a full request. + + See :doc:`/reqcontext`. + + Use a ``with`` block to push the context, which will make + :data:`request` point at the request for the created + environment. :: + + with test_request_context(...): + generate_report() + + When using the shell, it may be easier to push and pop the + context manually to avoid indentation. :: + + ctx = app.test_request_context(...) + ctx.push() + ... + ctx.pop() + + Takes the same arguments as Werkzeug's + :class:`~werkzeug.test.EnvironBuilder`, with some defaults from + the application. See the linked Werkzeug docs for most of the + available arguments. Flask-specific behavior is listed here. + + :param path: URL path being requested. + :param base_url: Base URL where the app is being served, which + ``path`` is relative to. If not given, built from + :data:`PREFERRED_URL_SCHEME`, ``subdomain``, + :data:`SERVER_NAME`, and :data:`APPLICATION_ROOT`. + :param subdomain: Subdomain name to append to + :data:`SERVER_NAME`. + :param url_scheme: Scheme to use instead of + :data:`PREFERRED_URL_SCHEME`. + :param data: The request body, either as a string or a dict of + form keys and values. + :param json: If given, this is serialized as JSON and passed as + ``data``. Also defaults ``content_type`` to + ``application/json``. + :param args: other positional arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + :param kwargs: other keyword arguments passed to + :class:`~werkzeug.test.EnvironBuilder`. + """ + from .testing import EnvironBuilder + + builder = EnvironBuilder(self, *args, **kwargs) + + try: + return self.request_context(builder.get_environ()) + finally: + builder.close() + + def wsgi_app(self, environ: dict, start_response: t.Callable) -> t.Any: + """The actual WSGI application. This is not implemented in + :meth:`__call__` so that middlewares can be applied without + losing a reference to the app object. Instead of doing this:: + + app = MyMiddleware(app) + + It's a better idea to do this instead:: + + app.wsgi_app = MyMiddleware(app.wsgi_app) + + Then you still have the original application object around and + can continue to call methods on it. + + .. versionchanged:: 0.7 + Teardown events for the request and app contexts are called + even if an unhandled error occurs. Other events may not be + called depending on when an error occurs during dispatch. + See :ref:`callbacks-and-errors`. + + :param environ: A WSGI environment. + :param start_response: A callable accepting a status code, + a list of headers, and an optional exception context to + start the response. + """ + ctx = self.request_context(environ) + error: t.Optional[BaseException] = None + try: + try: + ctx.push() + response = self.full_dispatch_request() + except Exception as e: + error = e + response = self.handle_exception(e) + except: # noqa: B001 + error = sys.exc_info()[1] + raise + return response(environ, start_response) + finally: + if self.should_ignore_error(error): + error = None + ctx.auto_pop(error) + + def __call__(self, environ: dict, start_response: t.Callable) -> t.Any: + """The WSGI server calls the Flask application object as the + WSGI application. This calls :meth:`wsgi_app`, which can be + wrapped to apply middleware. + """ + return self.wsgi_app(environ, start_response) diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/blueprints.py b/backend/mb-env/lib/python3.9/site-packages/flask/blueprints.py new file mode 100644 index 0000000..f3913b3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/blueprints.py @@ -0,0 +1,603 @@ +import typing as t +from collections import defaultdict +from functools import update_wrapper + +from .scaffold import _endpoint_from_view_func +from .scaffold import _sentinel +from .scaffold import Scaffold +from .typing import AfterRequestCallable +from .typing import BeforeRequestCallable +from .typing import ErrorHandlerCallable +from .typing import TeardownCallable +from .typing import TemplateContextProcessorCallable +from .typing import TemplateFilterCallable +from .typing import TemplateGlobalCallable +from .typing import TemplateTestCallable +from .typing import URLDefaultCallable +from .typing import URLValuePreprocessorCallable + +if t.TYPE_CHECKING: + from .app import Flask + +DeferredSetupFunction = t.Callable[["BlueprintSetupState"], t.Callable] + + +class BlueprintSetupState: + """Temporary holder object for registering a blueprint with the + application. An instance of this class is created by the + :meth:`~flask.Blueprint.make_setup_state` method and later passed + to all register callback functions. + """ + + def __init__( + self, + blueprint: "Blueprint", + app: "Flask", + options: t.Any, + first_registration: bool, + ) -> None: + #: a reference to the current application + self.app = app + + #: a reference to the blueprint that created this setup state. + self.blueprint = blueprint + + #: a dictionary with all options that were passed to the + #: :meth:`~flask.Flask.register_blueprint` method. + self.options = options + + #: as blueprints can be registered multiple times with the + #: application and not everything wants to be registered + #: multiple times on it, this attribute can be used to figure + #: out if the blueprint was registered in the past already. + self.first_registration = first_registration + + subdomain = self.options.get("subdomain") + if subdomain is None: + subdomain = self.blueprint.subdomain + + #: The subdomain that the blueprint should be active for, ``None`` + #: otherwise. + self.subdomain = subdomain + + url_prefix = self.options.get("url_prefix") + if url_prefix is None: + url_prefix = self.blueprint.url_prefix + #: The prefix that should be used for all URLs defined on the + #: blueprint. + self.url_prefix = url_prefix + + self.name = self.options.get("name", blueprint.name) + self.name_prefix = self.options.get("name_prefix", "") + + #: A dictionary with URL defaults that is added to each and every + #: URL that was defined with the blueprint. + self.url_defaults = dict(self.blueprint.url_values_defaults) + self.url_defaults.update(self.options.get("url_defaults", ())) + + def add_url_rule( + self, + rule: str, + endpoint: t.Optional[str] = None, + view_func: t.Optional[t.Callable] = None, + **options: t.Any, + ) -> None: + """A helper method to register a rule (and optionally a view function) + to the application. The endpoint is automatically prefixed with the + blueprint's name. + """ + if self.url_prefix is not None: + if rule: + rule = "/".join((self.url_prefix.rstrip("/"), rule.lstrip("/"))) + else: + rule = self.url_prefix + options.setdefault("subdomain", self.subdomain) + if endpoint is None: + endpoint = _endpoint_from_view_func(view_func) # type: ignore + defaults = self.url_defaults + if "defaults" in options: + defaults = dict(defaults, **options.pop("defaults")) + + self.app.add_url_rule( + rule, + f"{self.name_prefix}.{self.name}.{endpoint}".lstrip("."), + view_func, + defaults=defaults, + **options, + ) + + +class Blueprint(Scaffold): + """Represents a blueprint, a collection of routes and other + app-related functions that can be registered on a real application + later. + + A blueprint is an object that allows defining application functions + without requiring an application object ahead of time. It uses the + same decorators as :class:`~flask.Flask`, but defers the need for an + application by recording them for later registration. + + Decorating a function with a blueprint creates a deferred function + that is called with :class:`~flask.blueprints.BlueprintSetupState` + when the blueprint is registered on an application. + + See :doc:`/blueprints` for more information. + + :param name: The name of the blueprint. Will be prepended to each + endpoint name. + :param import_name: The name of the blueprint package, usually + ``__name__``. This helps locate the ``root_path`` for the + blueprint. + :param static_folder: A folder with static files that should be + served by the blueprint's static route. The path is relative to + the blueprint's root path. Blueprint static files are disabled + by default. + :param static_url_path: The url to serve static files from. + Defaults to ``static_folder``. If the blueprint does not have + a ``url_prefix``, the app's static route will take precedence, + and the blueprint's static files won't be accessible. + :param template_folder: A folder with templates that should be added + to the app's template search path. The path is relative to the + blueprint's root path. Blueprint templates are disabled by + default. Blueprint templates have a lower precedence than those + in the app's templates folder. + :param url_prefix: A path to prepend to all of the blueprint's URLs, + to make them distinct from the rest of the app's routes. + :param subdomain: A subdomain that blueprint routes will match on by + default. + :param url_defaults: A dict of default values that blueprint routes + will receive by default. + :param root_path: By default, the blueprint will automatically set + this based on ``import_name``. In certain situations this + automatic detection can fail, so the path can be specified + manually instead. + + .. versionchanged:: 1.1.0 + Blueprints have a ``cli`` group to register nested CLI commands. + The ``cli_group`` parameter controls the name of the group under + the ``flask`` command. + + .. versionadded:: 0.7 + """ + + warn_on_modifications = False + _got_registered_once = False + + #: Blueprint local JSON encoder class to use. Set to ``None`` to use + #: the app's :class:`~flask.Flask.json_encoder`. + json_encoder = None + #: Blueprint local JSON decoder class to use. Set to ``None`` to use + #: the app's :class:`~flask.Flask.json_decoder`. + json_decoder = None + + def __init__( + self, + name: str, + import_name: str, + static_folder: t.Optional[str] = None, + static_url_path: t.Optional[str] = None, + template_folder: t.Optional[str] = None, + url_prefix: t.Optional[str] = None, + subdomain: t.Optional[str] = None, + url_defaults: t.Optional[dict] = None, + root_path: t.Optional[str] = None, + cli_group: t.Optional[str] = _sentinel, # type: ignore + ): + super().__init__( + import_name=import_name, + static_folder=static_folder, + static_url_path=static_url_path, + template_folder=template_folder, + root_path=root_path, + ) + + if "." in name: + raise ValueError("'name' may not contain a dot '.' character.") + + self.name = name + self.url_prefix = url_prefix + self.subdomain = subdomain + self.deferred_functions: t.List[DeferredSetupFunction] = [] + + if url_defaults is None: + url_defaults = {} + + self.url_values_defaults = url_defaults + self.cli_group = cli_group + self._blueprints: t.List[t.Tuple["Blueprint", dict]] = [] + + def _is_setup_finished(self) -> bool: + return self.warn_on_modifications and self._got_registered_once + + def record(self, func: t.Callable) -> None: + """Registers a function that is called when the blueprint is + registered on the application. This function is called with the + state as argument as returned by the :meth:`make_setup_state` + method. + """ + if self._got_registered_once and self.warn_on_modifications: + from warnings import warn + + warn( + Warning( + "The blueprint was already registered once but is" + " getting modified now. These changes will not show" + " up." + ) + ) + self.deferred_functions.append(func) + + def record_once(self, func: t.Callable) -> None: + """Works like :meth:`record` but wraps the function in another + function that will ensure the function is only called once. If the + blueprint is registered a second time on the application, the + function passed is not called. + """ + + def wrapper(state: BlueprintSetupState) -> None: + if state.first_registration: + func(state) + + return self.record(update_wrapper(wrapper, func)) + + def make_setup_state( + self, app: "Flask", options: dict, first_registration: bool = False + ) -> BlueprintSetupState: + """Creates an instance of :meth:`~flask.blueprints.BlueprintSetupState` + object that is later passed to the register callback functions. + Subclasses can override this to return a subclass of the setup state. + """ + return BlueprintSetupState(self, app, options, first_registration) + + def register_blueprint(self, blueprint: "Blueprint", **options: t.Any) -> None: + """Register a :class:`~flask.Blueprint` on this blueprint. Keyword + arguments passed to this method will override the defaults set + on the blueprint. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + + .. versionadded:: 2.0 + """ + if blueprint is self: + raise ValueError("Cannot register a blueprint on itself") + self._blueprints.append((blueprint, options)) + + def register(self, app: "Flask", options: dict) -> None: + """Called by :meth:`Flask.register_blueprint` to register all + views and callbacks registered on the blueprint with the + application. Creates a :class:`.BlueprintSetupState` and calls + each :meth:`record` callback with it. + + :param app: The application this blueprint is being registered + with. + :param options: Keyword arguments forwarded from + :meth:`~Flask.register_blueprint`. + + .. versionchanged:: 2.0.1 + Nested blueprints are registered with their dotted name. + This allows different blueprints with the same name to be + nested at different locations. + + .. versionchanged:: 2.0.1 + The ``name`` option can be used to change the (pre-dotted) + name the blueprint is registered with. This allows the same + blueprint to be registered multiple times with unique names + for ``url_for``. + + .. versionchanged:: 2.0.1 + Registering the same blueprint with the same name multiple + times is deprecated and will become an error in Flask 2.1. + """ + first_registration = not any(bp is self for bp in app.blueprints.values()) + name_prefix = options.get("name_prefix", "") + self_name = options.get("name", self.name) + name = f"{name_prefix}.{self_name}".lstrip(".") + + if name in app.blueprints: + existing_at = f" '{name}'" if self_name != name else "" + + if app.blueprints[name] is not self: + raise ValueError( + f"The name '{self_name}' is already registered for" + f" a different blueprint{existing_at}. Use 'name='" + " to provide a unique name." + ) + else: + import warnings + + warnings.warn( + f"The name '{self_name}' is already registered for" + f" this blueprint{existing_at}. Use 'name=' to" + " provide a unique name. This will become an error" + " in Flask 2.1.", + stacklevel=4, + ) + + app.blueprints[name] = self + self._got_registered_once = True + state = self.make_setup_state(app, options, first_registration) + + if self.has_static_folder: + state.add_url_rule( + f"{self.static_url_path}/", + view_func=self.send_static_file, + endpoint="static", + ) + + # Merge blueprint data into parent. + if first_registration: + + def extend(bp_dict, parent_dict): + for key, values in bp_dict.items(): + key = name if key is None else f"{name}.{key}" + parent_dict[key].extend(values) + + for key, value in self.error_handler_spec.items(): + key = name if key is None else f"{name}.{key}" + value = defaultdict( + dict, + { + code: { + exc_class: func for exc_class, func in code_values.items() + } + for code, code_values in value.items() + }, + ) + app.error_handler_spec[key] = value + + for endpoint, func in self.view_functions.items(): + app.view_functions[endpoint] = func + + extend(self.before_request_funcs, app.before_request_funcs) + extend(self.after_request_funcs, app.after_request_funcs) + extend( + self.teardown_request_funcs, + app.teardown_request_funcs, + ) + extend(self.url_default_functions, app.url_default_functions) + extend(self.url_value_preprocessors, app.url_value_preprocessors) + extend(self.template_context_processors, app.template_context_processors) + + for deferred in self.deferred_functions: + deferred(state) + + cli_resolved_group = options.get("cli_group", self.cli_group) + + if self.cli.commands: + if cli_resolved_group is None: + app.cli.commands.update(self.cli.commands) + elif cli_resolved_group is _sentinel: + self.cli.name = name + app.cli.add_command(self.cli) + else: + self.cli.name = cli_resolved_group + app.cli.add_command(self.cli) + + for blueprint, bp_options in self._blueprints: + bp_options = bp_options.copy() + bp_url_prefix = bp_options.get("url_prefix") + + if bp_url_prefix is None: + bp_url_prefix = blueprint.url_prefix + + if state.url_prefix is not None and bp_url_prefix is not None: + bp_options["url_prefix"] = ( + state.url_prefix.rstrip("/") + "/" + bp_url_prefix.lstrip("/") + ) + elif bp_url_prefix is not None: + bp_options["url_prefix"] = bp_url_prefix + elif state.url_prefix is not None: + bp_options["url_prefix"] = state.url_prefix + + bp_options["name_prefix"] = name + blueprint.register(app, bp_options) + + def add_url_rule( + self, + rule: str, + endpoint: t.Optional[str] = None, + view_func: t.Optional[t.Callable] = None, + provide_automatic_options: t.Optional[bool] = None, + **options: t.Any, + ) -> None: + """Like :meth:`Flask.add_url_rule` but for a blueprint. The endpoint for + the :func:`url_for` function is prefixed with the name of the blueprint. + """ + if endpoint and "." in endpoint: + raise ValueError("'endpoint' may not contain a dot '.' character.") + + if view_func and hasattr(view_func, "__name__") and "." in view_func.__name__: + raise ValueError("'view_func' name may not contain a dot '.' character.") + + self.record( + lambda s: s.add_url_rule( + rule, + endpoint, + view_func, + provide_automatic_options=provide_automatic_options, + **options, + ) + ) + + def app_template_filter( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateFilterCallable], TemplateFilterCallable]: + """Register a custom template filter, available application wide. Like + :meth:`Flask.template_filter` but for a blueprint. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def decorator(f: TemplateFilterCallable) -> TemplateFilterCallable: + self.add_app_template_filter(f, name=name) + return f + + return decorator + + def add_app_template_filter( + self, f: TemplateFilterCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template filter, available application wide. Like + :meth:`Flask.add_template_filter` but for a blueprint. Works exactly + like the :meth:`app_template_filter` decorator. + + :param name: the optional name of the filter, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.filters[name or f.__name__] = f + + self.record_once(register_template) + + def app_template_test( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateTestCallable], TemplateTestCallable]: + """Register a custom template test, available application wide. Like + :meth:`Flask.template_test` but for a blueprint. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def decorator(f: TemplateTestCallable) -> TemplateTestCallable: + self.add_app_template_test(f, name=name) + return f + + return decorator + + def add_app_template_test( + self, f: TemplateTestCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template test, available application wide. Like + :meth:`Flask.add_template_test` but for a blueprint. Works exactly + like the :meth:`app_template_test` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the test, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.tests[name or f.__name__] = f + + self.record_once(register_template) + + def app_template_global( + self, name: t.Optional[str] = None + ) -> t.Callable[[TemplateGlobalCallable], TemplateGlobalCallable]: + """Register a custom template global, available application wide. Like + :meth:`Flask.template_global` but for a blueprint. + + .. versionadded:: 0.10 + + :param name: the optional name of the global, otherwise the + function name will be used. + """ + + def decorator(f: TemplateGlobalCallable) -> TemplateGlobalCallable: + self.add_app_template_global(f, name=name) + return f + + return decorator + + def add_app_template_global( + self, f: TemplateGlobalCallable, name: t.Optional[str] = None + ) -> None: + """Register a custom template global, available application wide. Like + :meth:`Flask.add_template_global` but for a blueprint. Works exactly + like the :meth:`app_template_global` decorator. + + .. versionadded:: 0.10 + + :param name: the optional name of the global, otherwise the + function name will be used. + """ + + def register_template(state: BlueprintSetupState) -> None: + state.app.jinja_env.globals[name or f.__name__] = f + + self.record_once(register_template) + + def before_app_request(self, f: BeforeRequestCallable) -> BeforeRequestCallable: + """Like :meth:`Flask.before_request`. Such a function is executed + before each request, even if outside of a blueprint. + """ + self.record_once( + lambda s: s.app.before_request_funcs.setdefault(None, []).append(f) + ) + return f + + def before_app_first_request( + self, f: BeforeRequestCallable + ) -> BeforeRequestCallable: + """Like :meth:`Flask.before_first_request`. Such a function is + executed before the first request to the application. + """ + self.record_once(lambda s: s.app.before_first_request_funcs.append(f)) + return f + + def after_app_request(self, f: AfterRequestCallable) -> AfterRequestCallable: + """Like :meth:`Flask.after_request` but for a blueprint. Such a function + is executed after each request, even if outside of the blueprint. + """ + self.record_once( + lambda s: s.app.after_request_funcs.setdefault(None, []).append(f) + ) + return f + + def teardown_app_request(self, f: TeardownCallable) -> TeardownCallable: + """Like :meth:`Flask.teardown_request` but for a blueprint. Such a + function is executed when tearing down each request, even if outside of + the blueprint. + """ + self.record_once( + lambda s: s.app.teardown_request_funcs.setdefault(None, []).append(f) + ) + return f + + def app_context_processor( + self, f: TemplateContextProcessorCallable + ) -> TemplateContextProcessorCallable: + """Like :meth:`Flask.context_processor` but for a blueprint. Such a + function is executed each request, even if outside of the blueprint. + """ + self.record_once( + lambda s: s.app.template_context_processors.setdefault(None, []).append(f) + ) + return f + + def app_errorhandler(self, code: t.Union[t.Type[Exception], int]) -> t.Callable: + """Like :meth:`Flask.errorhandler` but for a blueprint. This + handler is used for all requests, even if outside of the blueprint. + """ + + def decorator(f: ErrorHandlerCallable) -> ErrorHandlerCallable: + self.record_once(lambda s: s.app.errorhandler(code)(f)) + return f + + return decorator + + def app_url_value_preprocessor( + self, f: URLValuePreprocessorCallable + ) -> URLValuePreprocessorCallable: + """Same as :meth:`url_value_preprocessor` but application wide.""" + self.record_once( + lambda s: s.app.url_value_preprocessors.setdefault(None, []).append(f) + ) + return f + + def app_url_defaults(self, f: URLDefaultCallable) -> URLDefaultCallable: + """Same as :meth:`url_defaults` but application wide.""" + self.record_once( + lambda s: s.app.url_default_functions.setdefault(None, []).append(f) + ) + return f diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/cli.py b/backend/mb-env/lib/python3.9/site-packages/flask/cli.py new file mode 100644 index 0000000..d9e810d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/cli.py @@ -0,0 +1,994 @@ +import ast +import inspect +import os +import platform +import re +import sys +import traceback +import warnings +from functools import update_wrapper +from operator import attrgetter +from threading import Lock +from threading import Thread + +import click +from werkzeug.utils import import_string + +from .globals import current_app +from .helpers import get_debug_flag +from .helpers import get_env +from .helpers import get_load_dotenv + +try: + import dotenv +except ImportError: + dotenv = None + +try: + import ssl +except ImportError: + ssl = None # type: ignore + + +class NoAppException(click.UsageError): + """Raised if an application cannot be found or loaded.""" + + +def find_best_app(script_info, module): + """Given a module instance this tries to find the best possible + application in the module or raises an exception. + """ + from . import Flask + + # Search for the most common names first. + for attr_name in ("app", "application"): + app = getattr(module, attr_name, None) + + if isinstance(app, Flask): + return app + + # Otherwise find the only object that is a Flask instance. + matches = [v for v in module.__dict__.values() if isinstance(v, Flask)] + + if len(matches) == 1: + return matches[0] + elif len(matches) > 1: + raise NoAppException( + "Detected multiple Flask applications in module" + f" {module.__name__!r}. Use 'FLASK_APP={module.__name__}:name'" + f" to specify the correct one." + ) + + # Search for app factory functions. + for attr_name in ("create_app", "make_app"): + app_factory = getattr(module, attr_name, None) + + if inspect.isfunction(app_factory): + try: + app = call_factory(script_info, app_factory) + + if isinstance(app, Flask): + return app + except TypeError: + if not _called_with_wrong_args(app_factory): + raise + raise NoAppException( + f"Detected factory {attr_name!r} in module {module.__name__!r}," + " but could not call it without arguments. Use" + f" \"FLASK_APP='{module.__name__}:{attr_name}(args)'\"" + " to specify arguments." + ) + + raise NoAppException( + "Failed to find Flask application or factory in module" + f" {module.__name__!r}. Use 'FLASK_APP={module.__name__}:name'" + " to specify one." + ) + + +def call_factory(script_info, app_factory, args=None, kwargs=None): + """Takes an app factory, a ``script_info` object and optionally a tuple + of arguments. Checks for the existence of a script_info argument and calls + the app_factory depending on that and the arguments provided. + """ + sig = inspect.signature(app_factory) + args = [] if args is None else args + kwargs = {} if kwargs is None else kwargs + + if "script_info" in sig.parameters: + warnings.warn( + "The 'script_info' argument is deprecated and will not be" + " passed to the app factory function in Flask 2.1.", + DeprecationWarning, + ) + kwargs["script_info"] = script_info + + if ( + not args + and len(sig.parameters) == 1 + and next(iter(sig.parameters.values())).default is inspect.Parameter.empty + ): + warnings.warn( + "Script info is deprecated and will not be passed as the" + " single argument to the app factory function in Flask" + " 2.1.", + DeprecationWarning, + ) + args.append(script_info) + + return app_factory(*args, **kwargs) + + +def _called_with_wrong_args(f): + """Check whether calling a function raised a ``TypeError`` because + the call failed or because something in the factory raised the + error. + + :param f: The function that was called. + :return: ``True`` if the call failed. + """ + tb = sys.exc_info()[2] + + try: + while tb is not None: + if tb.tb_frame.f_code is f.__code__: + # In the function, it was called successfully. + return False + + tb = tb.tb_next + + # Didn't reach the function. + return True + finally: + # Delete tb to break a circular reference. + # https://docs.python.org/2/library/sys.html#sys.exc_info + del tb + + +def find_app_by_string(script_info, module, app_name): + """Check if the given string is a variable name or a function. Call + a function to get the app instance, or return the variable directly. + """ + from . import Flask + + # Parse app_name as a single expression to determine if it's a valid + # attribute name or function call. + try: + expr = ast.parse(app_name.strip(), mode="eval").body + except SyntaxError: + raise NoAppException( + f"Failed to parse {app_name!r} as an attribute name or function call." + ) + + if isinstance(expr, ast.Name): + name = expr.id + args = kwargs = None + elif isinstance(expr, ast.Call): + # Ensure the function name is an attribute name only. + if not isinstance(expr.func, ast.Name): + raise NoAppException( + f"Function reference must be a simple name: {app_name!r}." + ) + + name = expr.func.id + + # Parse the positional and keyword arguments as literals. + try: + args = [ast.literal_eval(arg) for arg in expr.args] + kwargs = {kw.arg: ast.literal_eval(kw.value) for kw in expr.keywords} + except ValueError: + # literal_eval gives cryptic error messages, show a generic + # message with the full expression instead. + raise NoAppException( + f"Failed to parse arguments as literal values: {app_name!r}." + ) + else: + raise NoAppException( + f"Failed to parse {app_name!r} as an attribute name or function call." + ) + + try: + attr = getattr(module, name) + except AttributeError: + raise NoAppException( + f"Failed to find attribute {name!r} in {module.__name__!r}." + ) + + # If the attribute is a function, call it with any args and kwargs + # to get the real application. + if inspect.isfunction(attr): + try: + app = call_factory(script_info, attr, args, kwargs) + except TypeError: + if not _called_with_wrong_args(attr): + raise + + raise NoAppException( + f"The factory {app_name!r} in module" + f" {module.__name__!r} could not be called with the" + " specified arguments." + ) + else: + app = attr + + if isinstance(app, Flask): + return app + + raise NoAppException( + "A valid Flask application was not obtained from" + f" '{module.__name__}:{app_name}'." + ) + + +def prepare_import(path): + """Given a filename this will try to calculate the python path, add it + to the search path and return the actual module name that is expected. + """ + path = os.path.realpath(path) + + fname, ext = os.path.splitext(path) + if ext == ".py": + path = fname + + if os.path.basename(path) == "__init__": + path = os.path.dirname(path) + + module_name = [] + + # move up until outside package structure (no __init__.py) + while True: + path, name = os.path.split(path) + module_name.append(name) + + if not os.path.exists(os.path.join(path, "__init__.py")): + break + + if sys.path[0] != path: + sys.path.insert(0, path) + + return ".".join(module_name[::-1]) + + +def locate_app(script_info, module_name, app_name, raise_if_not_found=True): + __traceback_hide__ = True # noqa: F841 + + try: + __import__(module_name) + except ImportError: + # Reraise the ImportError if it occurred within the imported module. + # Determine this by checking whether the trace has a depth > 1. + if sys.exc_info()[2].tb_next: + raise NoAppException( + f"While importing {module_name!r}, an ImportError was" + f" raised:\n\n{traceback.format_exc()}" + ) + elif raise_if_not_found: + raise NoAppException(f"Could not import {module_name!r}.") + else: + return + + module = sys.modules[module_name] + + if app_name is None: + return find_best_app(script_info, module) + else: + return find_app_by_string(script_info, module, app_name) + + +def get_version(ctx, param, value): + if not value or ctx.resilient_parsing: + return + + import werkzeug + from . import __version__ + + click.echo( + f"Python {platform.python_version()}\n" + f"Flask {__version__}\n" + f"Werkzeug {werkzeug.__version__}", + color=ctx.color, + ) + ctx.exit() + + +version_option = click.Option( + ["--version"], + help="Show the flask version", + expose_value=False, + callback=get_version, + is_flag=True, + is_eager=True, +) + + +class DispatchingApp: + """Special application that dispatches to a Flask application which + is imported by name in a background thread. If an error happens + it is recorded and shown as part of the WSGI handling which in case + of the Werkzeug debugger means that it shows up in the browser. + """ + + def __init__(self, loader, use_eager_loading=None): + self.loader = loader + self._app = None + self._lock = Lock() + self._bg_loading_exc_info = None + + if use_eager_loading is None: + use_eager_loading = os.environ.get("WERKZEUG_RUN_MAIN") != "true" + + if use_eager_loading: + self._load_unlocked() + else: + self._load_in_background() + + def _load_in_background(self): + def _load_app(): + __traceback_hide__ = True # noqa: F841 + with self._lock: + try: + self._load_unlocked() + except Exception: + self._bg_loading_exc_info = sys.exc_info() + + t = Thread(target=_load_app, args=()) + t.start() + + def _flush_bg_loading_exception(self): + __traceback_hide__ = True # noqa: F841 + exc_info = self._bg_loading_exc_info + if exc_info is not None: + self._bg_loading_exc_info = None + raise exc_info + + def _load_unlocked(self): + __traceback_hide__ = True # noqa: F841 + self._app = rv = self.loader() + self._bg_loading_exc_info = None + return rv + + def __call__(self, environ, start_response): + __traceback_hide__ = True # noqa: F841 + if self._app is not None: + return self._app(environ, start_response) + self._flush_bg_loading_exception() + with self._lock: + if self._app is not None: + rv = self._app + else: + rv = self._load_unlocked() + return rv(environ, start_response) + + +class ScriptInfo: + """Helper object to deal with Flask applications. This is usually not + necessary to interface with as it's used internally in the dispatching + to click. In future versions of Flask this object will most likely play + a bigger role. Typically it's created automatically by the + :class:`FlaskGroup` but you can also manually create it and pass it + onwards as click object. + """ + + def __init__(self, app_import_path=None, create_app=None, set_debug_flag=True): + #: Optionally the import path for the Flask application. + self.app_import_path = app_import_path or os.environ.get("FLASK_APP") + #: Optionally a function that is passed the script info to create + #: the instance of the application. + self.create_app = create_app + #: A dictionary with arbitrary data that can be associated with + #: this script info. + self.data = {} + self.set_debug_flag = set_debug_flag + self._loaded_app = None + + def load_app(self): + """Loads the Flask app (if not yet loaded) and returns it. Calling + this multiple times will just result in the already loaded app to + be returned. + """ + __traceback_hide__ = True # noqa: F841 + + if self._loaded_app is not None: + return self._loaded_app + + if self.create_app is not None: + app = call_factory(self, self.create_app) + else: + if self.app_import_path: + path, name = ( + re.split(r":(?![\\/])", self.app_import_path, 1) + [None] + )[:2] + import_name = prepare_import(path) + app = locate_app(self, import_name, name) + else: + for path in ("wsgi.py", "app.py"): + import_name = prepare_import(path) + app = locate_app(self, import_name, None, raise_if_not_found=False) + + if app: + break + + if not app: + raise NoAppException( + "Could not locate a Flask application. You did not provide " + 'the "FLASK_APP" environment variable, and a "wsgi.py" or ' + '"app.py" module was not found in the current directory.' + ) + + if self.set_debug_flag: + # Update the app's debug flag through the descriptor so that + # other values repopulate as well. + app.debug = get_debug_flag() + + self._loaded_app = app + return app + + +pass_script_info = click.make_pass_decorator(ScriptInfo, ensure=True) + + +def with_appcontext(f): + """Wraps a callback so that it's guaranteed to be executed with the + script's application context. If callbacks are registered directly + to the ``app.cli`` object then they are wrapped with this function + by default unless it's disabled. + """ + + @click.pass_context + def decorator(__ctx, *args, **kwargs): + with __ctx.ensure_object(ScriptInfo).load_app().app_context(): + return __ctx.invoke(f, *args, **kwargs) + + return update_wrapper(decorator, f) + + +class AppGroup(click.Group): + """This works similar to a regular click :class:`~click.Group` but it + changes the behavior of the :meth:`command` decorator so that it + automatically wraps the functions in :func:`with_appcontext`. + + Not to be confused with :class:`FlaskGroup`. + """ + + def command(self, *args, **kwargs): + """This works exactly like the method of the same name on a regular + :class:`click.Group` but it wraps callbacks in :func:`with_appcontext` + unless it's disabled by passing ``with_appcontext=False``. + """ + wrap_for_ctx = kwargs.pop("with_appcontext", True) + + def decorator(f): + if wrap_for_ctx: + f = with_appcontext(f) + return click.Group.command(self, *args, **kwargs)(f) + + return decorator + + def group(self, *args, **kwargs): + """This works exactly like the method of the same name on a regular + :class:`click.Group` but it defaults the group class to + :class:`AppGroup`. + """ + kwargs.setdefault("cls", AppGroup) + return click.Group.group(self, *args, **kwargs) + + +class FlaskGroup(AppGroup): + """Special subclass of the :class:`AppGroup` group that supports + loading more commands from the configured Flask app. Normally a + developer does not have to interface with this class but there are + some very advanced use cases for which it makes sense to create an + instance of this. see :ref:`custom-scripts`. + + :param add_default_commands: if this is True then the default run and + shell commands will be added. + :param add_version_option: adds the ``--version`` option. + :param create_app: an optional callback that is passed the script info and + returns the loaded app. + :param load_dotenv: Load the nearest :file:`.env` and :file:`.flaskenv` + files to set environment variables. Will also change the working + directory to the directory containing the first file found. + :param set_debug_flag: Set the app's debug flag based on the active + environment + + .. versionchanged:: 1.0 + If installed, python-dotenv will be used to load environment variables + from :file:`.env` and :file:`.flaskenv` files. + """ + + def __init__( + self, + add_default_commands=True, + create_app=None, + add_version_option=True, + load_dotenv=True, + set_debug_flag=True, + **extra, + ): + params = list(extra.pop("params", None) or ()) + + if add_version_option: + params.append(version_option) + + AppGroup.__init__(self, params=params, **extra) + self.create_app = create_app + self.load_dotenv = load_dotenv + self.set_debug_flag = set_debug_flag + + if add_default_commands: + self.add_command(run_command) + self.add_command(shell_command) + self.add_command(routes_command) + + self._loaded_plugin_commands = False + + def _load_plugin_commands(self): + if self._loaded_plugin_commands: + return + try: + import pkg_resources + except ImportError: + self._loaded_plugin_commands = True + return + + for ep in pkg_resources.iter_entry_points("flask.commands"): + self.add_command(ep.load(), ep.name) + self._loaded_plugin_commands = True + + def get_command(self, ctx, name): + self._load_plugin_commands() + # Look up built-in and plugin commands, which should be + # available even if the app fails to load. + rv = super().get_command(ctx, name) + + if rv is not None: + return rv + + info = ctx.ensure_object(ScriptInfo) + + # Look up commands provided by the app, showing an error and + # continuing if the app couldn't be loaded. + try: + return info.load_app().cli.get_command(ctx, name) + except NoAppException as e: + click.secho(f"Error: {e.format_message()}\n", err=True, fg="red") + + def list_commands(self, ctx): + self._load_plugin_commands() + # Start with the built-in and plugin commands. + rv = set(super().list_commands(ctx)) + info = ctx.ensure_object(ScriptInfo) + + # Add commands provided by the app, showing an error and + # continuing if the app couldn't be loaded. + try: + rv.update(info.load_app().cli.list_commands(ctx)) + except NoAppException as e: + # When an app couldn't be loaded, show the error message + # without the traceback. + click.secho(f"Error: {e.format_message()}\n", err=True, fg="red") + except Exception: + # When any other errors occurred during loading, show the + # full traceback. + click.secho(f"{traceback.format_exc()}\n", err=True, fg="red") + + return sorted(rv) + + def main(self, *args, **kwargs): + # Set a global flag that indicates that we were invoked from the + # command line interface. This is detected by Flask.run to make the + # call into a no-op. This is necessary to avoid ugly errors when the + # script that is loaded here also attempts to start a server. + os.environ["FLASK_RUN_FROM_CLI"] = "true" + + if get_load_dotenv(self.load_dotenv): + load_dotenv() + + obj = kwargs.get("obj") + + if obj is None: + obj = ScriptInfo( + create_app=self.create_app, set_debug_flag=self.set_debug_flag + ) + + kwargs["obj"] = obj + kwargs.setdefault("auto_envvar_prefix", "FLASK") + return super().main(*args, **kwargs) + + +def _path_is_ancestor(path, other): + """Take ``other`` and remove the length of ``path`` from it. Then join it + to ``path``. If it is the original value, ``path`` is an ancestor of + ``other``.""" + return os.path.join(path, other[len(path) :].lstrip(os.sep)) == other + + +def load_dotenv(path=None): + """Load "dotenv" files in order of precedence to set environment variables. + + If an env var is already set it is not overwritten, so earlier files in the + list are preferred over later files. + + This is a no-op if `python-dotenv`_ is not installed. + + .. _python-dotenv: https://github.com/theskumar/python-dotenv#readme + + :param path: Load the file at this location instead of searching. + :return: ``True`` if a file was loaded. + + .. versionchanged:: 1.1.0 + Returns ``False`` when python-dotenv is not installed, or when + the given path isn't a file. + + .. versionchanged:: 2.0 + When loading the env files, set the default encoding to UTF-8. + + .. versionadded:: 1.0 + """ + if dotenv is None: + if path or os.path.isfile(".env") or os.path.isfile(".flaskenv"): + click.secho( + " * Tip: There are .env or .flaskenv files present." + ' Do "pip install python-dotenv" to use them.', + fg="yellow", + err=True, + ) + + return False + + # if the given path specifies the actual file then return True, + # else False + if path is not None: + if os.path.isfile(path): + return dotenv.load_dotenv(path, encoding="utf-8") + + return False + + new_dir = None + + for name in (".env", ".flaskenv"): + path = dotenv.find_dotenv(name, usecwd=True) + + if not path: + continue + + if new_dir is None: + new_dir = os.path.dirname(path) + + dotenv.load_dotenv(path, encoding="utf-8") + + return new_dir is not None # at least one file was located and loaded + + +def show_server_banner(env, debug, app_import_path, eager_loading): + """Show extra startup messages the first time the server is run, + ignoring the reloader. + """ + if os.environ.get("WERKZEUG_RUN_MAIN") == "true": + return + + if app_import_path is not None: + message = f" * Serving Flask app {app_import_path!r}" + + if not eager_loading: + message += " (lazy loading)" + + click.echo(message) + + click.echo(f" * Environment: {env}") + + if env == "production": + click.secho( + " WARNING: This is a development server. Do not use it in" + " a production deployment.", + fg="red", + ) + click.secho(" Use a production WSGI server instead.", dim=True) + + if debug is not None: + click.echo(f" * Debug mode: {'on' if debug else 'off'}") + + +class CertParamType(click.ParamType): + """Click option type for the ``--cert`` option. Allows either an + existing file, the string ``'adhoc'``, or an import for a + :class:`~ssl.SSLContext` object. + """ + + name = "path" + + def __init__(self): + self.path_type = click.Path(exists=True, dir_okay=False, resolve_path=True) + + def convert(self, value, param, ctx): + if ssl is None: + raise click.BadParameter( + 'Using "--cert" requires Python to be compiled with SSL support.', + ctx, + param, + ) + + try: + return self.path_type(value, param, ctx) + except click.BadParameter: + value = click.STRING(value, param, ctx).lower() + + if value == "adhoc": + try: + import cryptography # noqa: F401 + except ImportError: + raise click.BadParameter( + "Using ad-hoc certificates requires the cryptography library.", + ctx, + param, + ) + + return value + + obj = import_string(value, silent=True) + + if isinstance(obj, ssl.SSLContext): + return obj + + raise + + +def _validate_key(ctx, param, value): + """The ``--key`` option must be specified when ``--cert`` is a file. + Modifies the ``cert`` param to be a ``(cert, key)`` pair if needed. + """ + cert = ctx.params.get("cert") + is_adhoc = cert == "adhoc" + is_context = ssl and isinstance(cert, ssl.SSLContext) + + if value is not None: + if is_adhoc: + raise click.BadParameter( + 'When "--cert" is "adhoc", "--key" is not used.', ctx, param + ) + + if is_context: + raise click.BadParameter( + 'When "--cert" is an SSLContext object, "--key is not used.', ctx, param + ) + + if not cert: + raise click.BadParameter('"--cert" must also be specified.', ctx, param) + + ctx.params["cert"] = cert, value + + else: + if cert and not (is_adhoc or is_context): + raise click.BadParameter('Required when using "--cert".', ctx, param) + + return value + + +class SeparatedPathType(click.Path): + """Click option type that accepts a list of values separated by the + OS's path separator (``:``, ``;`` on Windows). Each value is + validated as a :class:`click.Path` type. + """ + + def convert(self, value, param, ctx): + items = self.split_envvar_value(value) + super_convert = super().convert + return [super_convert(item, param, ctx) for item in items] + + +@click.command("run", short_help="Run a development server.") +@click.option("--host", "-h", default="127.0.0.1", help="The interface to bind to.") +@click.option("--port", "-p", default=5000, help="The port to bind to.") +@click.option( + "--cert", type=CertParamType(), help="Specify a certificate file to use HTTPS." +) +@click.option( + "--key", + type=click.Path(exists=True, dir_okay=False, resolve_path=True), + callback=_validate_key, + expose_value=False, + help="The key file to use when specifying a certificate.", +) +@click.option( + "--reload/--no-reload", + default=None, + help="Enable or disable the reloader. By default the reloader " + "is active if debug is enabled.", +) +@click.option( + "--debugger/--no-debugger", + default=None, + help="Enable or disable the debugger. By default the debugger " + "is active if debug is enabled.", +) +@click.option( + "--eager-loading/--lazy-loading", + default=None, + help="Enable or disable eager loading. By default eager " + "loading is enabled if the reloader is disabled.", +) +@click.option( + "--with-threads/--without-threads", + default=True, + help="Enable or disable multithreading.", +) +@click.option( + "--extra-files", + default=None, + type=SeparatedPathType(), + help=( + "Extra files that trigger a reload on change. Multiple paths" + f" are separated by {os.path.pathsep!r}." + ), +) +@pass_script_info +def run_command( + info, host, port, reload, debugger, eager_loading, with_threads, cert, extra_files +): + """Run a local development server. + + This server is for development purposes only. It does not provide + the stability, security, or performance of production WSGI servers. + + The reloader and debugger are enabled by default if + FLASK_ENV=development or FLASK_DEBUG=1. + """ + debug = get_debug_flag() + + if reload is None: + reload = debug + + if debugger is None: + debugger = debug + + show_server_banner(get_env(), debug, info.app_import_path, eager_loading) + app = DispatchingApp(info.load_app, use_eager_loading=eager_loading) + + from werkzeug.serving import run_simple + + run_simple( + host, + port, + app, + use_reloader=reload, + use_debugger=debugger, + threaded=with_threads, + ssl_context=cert, + extra_files=extra_files, + ) + + +@click.command("shell", short_help="Run a shell in the app context.") +@with_appcontext +def shell_command() -> None: + """Run an interactive Python shell in the context of a given + Flask application. The application will populate the default + namespace of this shell according to its configuration. + + This is useful for executing small snippets of management code + without having to manually configure the application. + """ + import code + from .globals import _app_ctx_stack + + app = _app_ctx_stack.top.app + banner = ( + f"Python {sys.version} on {sys.platform}\n" + f"App: {app.import_name} [{app.env}]\n" + f"Instance: {app.instance_path}" + ) + ctx: dict = {} + + # Support the regular Python interpreter startup script if someone + # is using it. + startup = os.environ.get("PYTHONSTARTUP") + if startup and os.path.isfile(startup): + with open(startup) as f: + eval(compile(f.read(), startup, "exec"), ctx) + + ctx.update(app.make_shell_context()) + + # Site, customize, or startup script can set a hook to call when + # entering interactive mode. The default one sets up readline with + # tab and history completion. + interactive_hook = getattr(sys, "__interactivehook__", None) + + if interactive_hook is not None: + try: + import readline + from rlcompleter import Completer + except ImportError: + pass + else: + # rlcompleter uses __main__.__dict__ by default, which is + # flask.__main__. Use the shell context instead. + readline.set_completer(Completer(ctx).complete) + + interactive_hook() + + code.interact(banner=banner, local=ctx) + + +@click.command("routes", short_help="Show the routes for the app.") +@click.option( + "--sort", + "-s", + type=click.Choice(("endpoint", "methods", "rule", "match")), + default="endpoint", + help=( + 'Method to sort routes by. "match" is the order that Flask will match ' + "routes when dispatching a request." + ), +) +@click.option("--all-methods", is_flag=True, help="Show HEAD and OPTIONS methods.") +@with_appcontext +def routes_command(sort: str, all_methods: bool) -> None: + """Show all registered routes with endpoints and methods.""" + + rules = list(current_app.url_map.iter_rules()) + if not rules: + click.echo("No routes were registered.") + return + + ignored_methods = set(() if all_methods else ("HEAD", "OPTIONS")) + + if sort in ("endpoint", "rule"): + rules = sorted(rules, key=attrgetter(sort)) + elif sort == "methods": + rules = sorted(rules, key=lambda rule: sorted(rule.methods)) # type: ignore + + rule_methods = [ + ", ".join(sorted(rule.methods - ignored_methods)) # type: ignore + for rule in rules + ] + + headers = ("Endpoint", "Methods", "Rule") + widths = ( + max(len(rule.endpoint) for rule in rules), + max(len(methods) for methods in rule_methods), + max(len(rule.rule) for rule in rules), + ) + widths = [max(len(h), w) for h, w in zip(headers, widths)] + row = "{{0:<{0}}} {{1:<{1}}} {{2:<{2}}}".format(*widths) + + click.echo(row.format(*headers).strip()) + click.echo(row.format(*("-" * width for width in widths))) + + for rule, methods in zip(rules, rule_methods): + click.echo(row.format(rule.endpoint, methods, rule.rule).rstrip()) + + +cli = FlaskGroup( + help="""\ +A general utility script for Flask applications. + +Provides commands from Flask, extensions, and the application. Loads the +application defined in the FLASK_APP environment variable, or from a wsgi.py +file. Setting the FLASK_ENV environment variable to 'development' will enable +debug mode. + +\b + {prefix}{cmd} FLASK_APP=hello.py + {prefix}{cmd} FLASK_ENV=development + {prefix}flask run +""".format( + cmd="export" if os.name == "posix" else "set", + prefix="$ " if os.name == "posix" else "> ", + ) +) + + +def main() -> None: + if int(click.__version__[0]) < 8: + warnings.warn( + "Using the `flask` cli with Click 7 is deprecated and" + " will not be supported starting with Flask 2.1." + " Please upgrade to Click 8 as soon as possible.", + DeprecationWarning, + ) + # TODO omit sys.argv once https://github.com/pallets/click/issues/536 is fixed + cli.main(args=sys.argv[1:]) + + +if __name__ == "__main__": + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/config.py b/backend/mb-env/lib/python3.9/site-packages/flask/config.py new file mode 100644 index 0000000..c79a558 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/config.py @@ -0,0 +1,291 @@ +import errno +import os +import types +import typing as t + +from werkzeug.utils import import_string + + +class ConfigAttribute: + """Makes an attribute forward to the config""" + + def __init__(self, name: str, get_converter: t.Optional[t.Callable] = None) -> None: + self.__name__ = name + self.get_converter = get_converter + + def __get__(self, obj: t.Any, owner: t.Any = None) -> t.Any: + if obj is None: + return self + rv = obj.config[self.__name__] + if self.get_converter is not None: + rv = self.get_converter(rv) + return rv + + def __set__(self, obj: t.Any, value: t.Any) -> None: + obj.config[self.__name__] = value + + +class Config(dict): + """Works exactly like a dict but provides ways to fill it from files + or special dictionaries. There are two common patterns to populate the + config. + + Either you can fill the config from a config file:: + + app.config.from_pyfile('yourconfig.cfg') + + Or alternatively you can define the configuration options in the + module that calls :meth:`from_object` or provide an import path to + a module that should be loaded. It is also possible to tell it to + use the same module and with that provide the configuration values + just before the call:: + + DEBUG = True + SECRET_KEY = 'development key' + app.config.from_object(__name__) + + In both cases (loading from any Python file or loading from modules), + only uppercase keys are added to the config. This makes it possible to use + lowercase values in the config file for temporary values that are not added + to the config or to define the config keys in the same file that implements + the application. + + Probably the most interesting way to load configurations is from an + environment variable pointing to a file:: + + app.config.from_envvar('YOURAPPLICATION_SETTINGS') + + In this case before launching the application you have to set this + environment variable to the file you want to use. On Linux and OS X + use the export statement:: + + export YOURAPPLICATION_SETTINGS='/path/to/config/file' + + On windows use `set` instead. + + :param root_path: path to which files are read relative from. When the + config object is created by the application, this is + the application's :attr:`~flask.Flask.root_path`. + :param defaults: an optional dictionary of default values + """ + + def __init__(self, root_path: str, defaults: t.Optional[dict] = None) -> None: + dict.__init__(self, defaults or {}) + self.root_path = root_path + + def from_envvar(self, variable_name: str, silent: bool = False) -> bool: + """Loads a configuration from an environment variable pointing to + a configuration file. This is basically just a shortcut with nicer + error messages for this line of code:: + + app.config.from_pyfile(os.environ['YOURAPPLICATION_SETTINGS']) + + :param variable_name: name of the environment variable + :param silent: set to ``True`` if you want silent failure for missing + files. + :return: bool. ``True`` if able to load config, ``False`` otherwise. + """ + rv = os.environ.get(variable_name) + if not rv: + if silent: + return False + raise RuntimeError( + f"The environment variable {variable_name!r} is not set" + " and as such configuration could not be loaded. Set" + " this variable and make it point to a configuration" + " file" + ) + return self.from_pyfile(rv, silent=silent) + + def from_pyfile(self, filename: str, silent: bool = False) -> bool: + """Updates the values in the config from a Python file. This function + behaves as if the file was imported as module with the + :meth:`from_object` function. + + :param filename: the filename of the config. This can either be an + absolute filename or a filename relative to the + root path. + :param silent: set to ``True`` if you want silent failure for missing + files. + + .. versionadded:: 0.7 + `silent` parameter. + """ + filename = os.path.join(self.root_path, filename) + d = types.ModuleType("config") + d.__file__ = filename + try: + with open(filename, mode="rb") as config_file: + exec(compile(config_file.read(), filename, "exec"), d.__dict__) + except OSError as e: + if silent and e.errno in (errno.ENOENT, errno.EISDIR, errno.ENOTDIR): + return False + e.strerror = f"Unable to load configuration file ({e.strerror})" + raise + self.from_object(d) + return True + + def from_object(self, obj: t.Union[object, str]) -> None: + """Updates the values from the given object. An object can be of one + of the following two types: + + - a string: in this case the object with that name will be imported + - an actual object reference: that object is used directly + + Objects are usually either modules or classes. :meth:`from_object` + loads only the uppercase attributes of the module/class. A ``dict`` + object will not work with :meth:`from_object` because the keys of a + ``dict`` are not attributes of the ``dict`` class. + + Example of module-based configuration:: + + app.config.from_object('yourapplication.default_config') + from yourapplication import default_config + app.config.from_object(default_config) + + Nothing is done to the object before loading. If the object is a + class and has ``@property`` attributes, it needs to be + instantiated before being passed to this method. + + You should not use this function to load the actual configuration but + rather configuration defaults. The actual config should be loaded + with :meth:`from_pyfile` and ideally from a location not within the + package because the package might be installed system wide. + + See :ref:`config-dev-prod` for an example of class-based configuration + using :meth:`from_object`. + + :param obj: an import name or object + """ + if isinstance(obj, str): + obj = import_string(obj) + for key in dir(obj): + if key.isupper(): + self[key] = getattr(obj, key) + + def from_file( + self, + filename: str, + load: t.Callable[[t.IO[t.Any]], t.Mapping], + silent: bool = False, + ) -> bool: + """Update the values in the config from a file that is loaded + using the ``load`` parameter. The loaded data is passed to the + :meth:`from_mapping` method. + + .. code-block:: python + + import toml + app.config.from_file("config.toml", load=toml.load) + + :param filename: The path to the data file. This can be an + absolute path or relative to the config root path. + :param load: A callable that takes a file handle and returns a + mapping of loaded data from the file. + :type load: ``Callable[[Reader], Mapping]`` where ``Reader`` + implements a ``read`` method. + :param silent: Ignore the file if it doesn't exist. + + .. versionadded:: 2.0 + """ + filename = os.path.join(self.root_path, filename) + + try: + with open(filename) as f: + obj = load(f) + except OSError as e: + if silent and e.errno in (errno.ENOENT, errno.EISDIR): + return False + + e.strerror = f"Unable to load configuration file ({e.strerror})" + raise + + return self.from_mapping(obj) + + def from_json(self, filename: str, silent: bool = False) -> bool: + """Update the values in the config from a JSON file. The loaded + data is passed to the :meth:`from_mapping` method. + + :param filename: The path to the JSON file. This can be an + absolute path or relative to the config root path. + :param silent: Ignore the file if it doesn't exist. + + .. deprecated:: 2.0.0 + Will be removed in Flask 2.1. Use :meth:`from_file` instead. + This was removed early in 2.0.0, was added back in 2.0.1. + + .. versionadded:: 0.11 + """ + import warnings + from . import json + + warnings.warn( + "'from_json' is deprecated and will be removed in Flask" + " 2.1. Use 'from_file(path, json.load)' instead.", + DeprecationWarning, + stacklevel=2, + ) + return self.from_file(filename, json.load, silent=silent) + + def from_mapping( + self, mapping: t.Optional[t.Mapping[str, t.Any]] = None, **kwargs: t.Any + ) -> bool: + """Updates the config like :meth:`update` ignoring items with non-upper + keys. + + .. versionadded:: 0.11 + """ + mappings: t.Dict[str, t.Any] = {} + if mapping is not None: + mappings.update(mapping) + mappings.update(kwargs) + for key, value in mappings.items(): + if key.isupper(): + self[key] = value + return True + + def get_namespace( + self, namespace: str, lowercase: bool = True, trim_namespace: bool = True + ) -> t.Dict[str, t.Any]: + """Returns a dictionary containing a subset of configuration options + that match the specified namespace/prefix. Example usage:: + + app.config['IMAGE_STORE_TYPE'] = 'fs' + app.config['IMAGE_STORE_PATH'] = '/var/app/images' + app.config['IMAGE_STORE_BASE_URL'] = 'http://img.website.com' + image_store_config = app.config.get_namespace('IMAGE_STORE_') + + The resulting dictionary `image_store_config` would look like:: + + { + 'type': 'fs', + 'path': '/var/app/images', + 'base_url': 'http://img.website.com' + } + + This is often useful when configuration options map directly to + keyword arguments in functions or class constructors. + + :param namespace: a configuration namespace + :param lowercase: a flag indicating if the keys of the resulting + dictionary should be lowercase + :param trim_namespace: a flag indicating if the keys of the resulting + dictionary should not include the namespace + + .. versionadded:: 0.11 + """ + rv = {} + for k, v in self.items(): + if not k.startswith(namespace): + continue + if trim_namespace: + key = k[len(namespace) :] + else: + key = k + if lowercase: + key = key.lower() + rv[key] = v + return rv + + def __repr__(self) -> str: + return f"<{type(self).__name__} {dict.__repr__(self)}>" diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/ctx.py b/backend/mb-env/lib/python3.9/site-packages/flask/ctx.py new file mode 100644 index 0000000..5c06463 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/ctx.py @@ -0,0 +1,480 @@ +import sys +import typing as t +from functools import update_wrapper +from types import TracebackType + +from werkzeug.exceptions import HTTPException + +from .globals import _app_ctx_stack +from .globals import _request_ctx_stack +from .signals import appcontext_popped +from .signals import appcontext_pushed +from .typing import AfterRequestCallable + +if t.TYPE_CHECKING: + from .app import Flask + from .sessions import SessionMixin + from .wrappers import Request + + +# a singleton sentinel value for parameter defaults +_sentinel = object() + + +class _AppCtxGlobals: + """A plain object. Used as a namespace for storing data during an + application context. + + Creating an app context automatically creates this object, which is + made available as the :data:`g` proxy. + + .. describe:: 'key' in g + + Check whether an attribute is present. + + .. versionadded:: 0.10 + + .. describe:: iter(g) + + Return an iterator over the attribute names. + + .. versionadded:: 0.10 + """ + + # Define attr methods to let mypy know this is a namespace object + # that has arbitrary attributes. + + def __getattr__(self, name: str) -> t.Any: + try: + return self.__dict__[name] + except KeyError: + raise AttributeError(name) from None + + def __setattr__(self, name: str, value: t.Any) -> None: + self.__dict__[name] = value + + def __delattr__(self, name: str) -> None: + try: + del self.__dict__[name] + except KeyError: + raise AttributeError(name) from None + + def get(self, name: str, default: t.Optional[t.Any] = None) -> t.Any: + """Get an attribute by name, or a default value. Like + :meth:`dict.get`. + + :param name: Name of attribute to get. + :param default: Value to return if the attribute is not present. + + .. versionadded:: 0.10 + """ + return self.__dict__.get(name, default) + + def pop(self, name: str, default: t.Any = _sentinel) -> t.Any: + """Get and remove an attribute by name. Like :meth:`dict.pop`. + + :param name: Name of attribute to pop. + :param default: Value to return if the attribute is not present, + instead of raising a ``KeyError``. + + .. versionadded:: 0.11 + """ + if default is _sentinel: + return self.__dict__.pop(name) + else: + return self.__dict__.pop(name, default) + + def setdefault(self, name: str, default: t.Any = None) -> t.Any: + """Get the value of an attribute if it is present, otherwise + set and return a default value. Like :meth:`dict.setdefault`. + + :param name: Name of attribute to get. + :param default: Value to set and return if the attribute is not + present. + + .. versionadded:: 0.11 + """ + return self.__dict__.setdefault(name, default) + + def __contains__(self, item: str) -> bool: + return item in self.__dict__ + + def __iter__(self) -> t.Iterator[str]: + return iter(self.__dict__) + + def __repr__(self) -> str: + top = _app_ctx_stack.top + if top is not None: + return f"" + return object.__repr__(self) + + +def after_this_request(f: AfterRequestCallable) -> AfterRequestCallable: + """Executes a function after this request. This is useful to modify + response objects. The function is passed the response object and has + to return the same or a new one. + + Example:: + + @app.route('/') + def index(): + @after_this_request + def add_header(response): + response.headers['X-Foo'] = 'Parachute' + return response + return 'Hello World!' + + This is more useful if a function other than the view function wants to + modify a response. For instance think of a decorator that wants to add + some headers without converting the return value into a response object. + + .. versionadded:: 0.9 + """ + _request_ctx_stack.top._after_request_functions.append(f) + return f + + +def copy_current_request_context(f: t.Callable) -> t.Callable: + """A helper function that decorates a function to retain the current + request context. This is useful when working with greenlets. The moment + the function is decorated a copy of the request context is created and + then pushed when the function is called. The current session is also + included in the copied request context. + + Example:: + + import gevent + from flask import copy_current_request_context + + @app.route('/') + def index(): + @copy_current_request_context + def do_some_work(): + # do some work here, it can access flask.request or + # flask.session like you would otherwise in the view function. + ... + gevent.spawn(do_some_work) + return 'Regular response' + + .. versionadded:: 0.10 + """ + top = _request_ctx_stack.top + if top is None: + raise RuntimeError( + "This decorator can only be used at local scopes " + "when a request context is on the stack. For instance within " + "view functions." + ) + reqctx = top.copy() + + def wrapper(*args, **kwargs): + with reqctx: + return f(*args, **kwargs) + + return update_wrapper(wrapper, f) + + +def has_request_context() -> bool: + """If you have code that wants to test if a request context is there or + not this function can be used. For instance, you may want to take advantage + of request information if the request object is available, but fail + silently if it is unavailable. + + :: + + class User(db.Model): + + def __init__(self, username, remote_addr=None): + self.username = username + if remote_addr is None and has_request_context(): + remote_addr = request.remote_addr + self.remote_addr = remote_addr + + Alternatively you can also just test any of the context bound objects + (such as :class:`request` or :class:`g`) for truthness:: + + class User(db.Model): + + def __init__(self, username, remote_addr=None): + self.username = username + if remote_addr is None and request: + remote_addr = request.remote_addr + self.remote_addr = remote_addr + + .. versionadded:: 0.7 + """ + return _request_ctx_stack.top is not None + + +def has_app_context() -> bool: + """Works like :func:`has_request_context` but for the application + context. You can also just do a boolean check on the + :data:`current_app` object instead. + + .. versionadded:: 0.9 + """ + return _app_ctx_stack.top is not None + + +class AppContext: + """The application context binds an application object implicitly + to the current thread or greenlet, similar to how the + :class:`RequestContext` binds request information. The application + context is also implicitly created if a request context is created + but the application is not on top of the individual application + context. + """ + + def __init__(self, app: "Flask") -> None: + self.app = app + self.url_adapter = app.create_url_adapter(None) + self.g = app.app_ctx_globals_class() + + # Like request context, app contexts can be pushed multiple times + # but there a basic "refcount" is enough to track them. + self._refcnt = 0 + + def push(self) -> None: + """Binds the app context to the current context.""" + self._refcnt += 1 + _app_ctx_stack.push(self) + appcontext_pushed.send(self.app) + + def pop(self, exc: t.Optional[BaseException] = _sentinel) -> None: # type: ignore + """Pops the app context.""" + try: + self._refcnt -= 1 + if self._refcnt <= 0: + if exc is _sentinel: + exc = sys.exc_info()[1] + self.app.do_teardown_appcontext(exc) + finally: + rv = _app_ctx_stack.pop() + assert rv is self, f"Popped wrong app context. ({rv!r} instead of {self!r})" + appcontext_popped.send(self.app) + + def __enter__(self) -> "AppContext": + self.push() + return self + + def __exit__( + self, exc_type: type, exc_value: BaseException, tb: TracebackType + ) -> None: + self.pop(exc_value) + + +class RequestContext: + """The request context contains all request relevant information. It is + created at the beginning of the request and pushed to the + `_request_ctx_stack` and removed at the end of it. It will create the + URL adapter and request object for the WSGI environment provided. + + Do not attempt to use this class directly, instead use + :meth:`~flask.Flask.test_request_context` and + :meth:`~flask.Flask.request_context` to create this object. + + When the request context is popped, it will evaluate all the + functions registered on the application for teardown execution + (:meth:`~flask.Flask.teardown_request`). + + The request context is automatically popped at the end of the request + for you. In debug mode the request context is kept around if + exceptions happen so that interactive debuggers have a chance to + introspect the data. With 0.4 this can also be forced for requests + that did not fail and outside of ``DEBUG`` mode. By setting + ``'flask._preserve_context'`` to ``True`` on the WSGI environment the + context will not pop itself at the end of the request. This is used by + the :meth:`~flask.Flask.test_client` for example to implement the + deferred cleanup functionality. + + You might find this helpful for unittests where you need the + information from the context local around for a little longer. Make + sure to properly :meth:`~werkzeug.LocalStack.pop` the stack yourself in + that situation, otherwise your unittests will leak memory. + """ + + def __init__( + self, + app: "Flask", + environ: dict, + request: t.Optional["Request"] = None, + session: t.Optional["SessionMixin"] = None, + ) -> None: + self.app = app + if request is None: + request = app.request_class(environ) + self.request = request + self.url_adapter = None + try: + self.url_adapter = app.create_url_adapter(self.request) + except HTTPException as e: + self.request.routing_exception = e + self.flashes = None + self.session = session + + # Request contexts can be pushed multiple times and interleaved with + # other request contexts. Now only if the last level is popped we + # get rid of them. Additionally if an application context is missing + # one is created implicitly so for each level we add this information + self._implicit_app_ctx_stack: t.List[t.Optional["AppContext"]] = [] + + # indicator if the context was preserved. Next time another context + # is pushed the preserved context is popped. + self.preserved = False + + # remembers the exception for pop if there is one in case the context + # preservation kicks in. + self._preserved_exc = None + + # Functions that should be executed after the request on the response + # object. These will be called before the regular "after_request" + # functions. + self._after_request_functions: t.List[AfterRequestCallable] = [] + + @property + def g(self) -> AppContext: + return _app_ctx_stack.top.g + + @g.setter + def g(self, value: AppContext) -> None: + _app_ctx_stack.top.g = value + + def copy(self) -> "RequestContext": + """Creates a copy of this request context with the same request object. + This can be used to move a request context to a different greenlet. + Because the actual request object is the same this cannot be used to + move a request context to a different thread unless access to the + request object is locked. + + .. versionadded:: 0.10 + + .. versionchanged:: 1.1 + The current session object is used instead of reloading the original + data. This prevents `flask.session` pointing to an out-of-date object. + """ + return self.__class__( + self.app, + environ=self.request.environ, + request=self.request, + session=self.session, + ) + + def match_request(self) -> None: + """Can be overridden by a subclass to hook into the matching + of the request. + """ + try: + result = self.url_adapter.match(return_rule=True) # type: ignore + self.request.url_rule, self.request.view_args = result # type: ignore + except HTTPException as e: + self.request.routing_exception = e + + def push(self) -> None: + """Binds the request context to the current context.""" + # If an exception occurs in debug mode or if context preservation is + # activated under exception situations exactly one context stays + # on the stack. The rationale is that you want to access that + # information under debug situations. However if someone forgets to + # pop that context again we want to make sure that on the next push + # it's invalidated, otherwise we run at risk that something leaks + # memory. This is usually only a problem in test suite since this + # functionality is not active in production environments. + top = _request_ctx_stack.top + if top is not None and top.preserved: + top.pop(top._preserved_exc) + + # Before we push the request context we have to ensure that there + # is an application context. + app_ctx = _app_ctx_stack.top + if app_ctx is None or app_ctx.app != self.app: + app_ctx = self.app.app_context() + app_ctx.push() + self._implicit_app_ctx_stack.append(app_ctx) + else: + self._implicit_app_ctx_stack.append(None) + + _request_ctx_stack.push(self) + + # Open the session at the moment that the request context is available. + # This allows a custom open_session method to use the request context. + # Only open a new session if this is the first time the request was + # pushed, otherwise stream_with_context loses the session. + if self.session is None: + session_interface = self.app.session_interface + self.session = session_interface.open_session(self.app, self.request) + + if self.session is None: + self.session = session_interface.make_null_session(self.app) + + # Match the request URL after loading the session, so that the + # session is available in custom URL converters. + if self.url_adapter is not None: + self.match_request() + + def pop(self, exc: t.Optional[BaseException] = _sentinel) -> None: # type: ignore + """Pops the request context and unbinds it by doing that. This will + also trigger the execution of functions registered by the + :meth:`~flask.Flask.teardown_request` decorator. + + .. versionchanged:: 0.9 + Added the `exc` argument. + """ + app_ctx = self._implicit_app_ctx_stack.pop() + clear_request = False + + try: + if not self._implicit_app_ctx_stack: + self.preserved = False + self._preserved_exc = None + if exc is _sentinel: + exc = sys.exc_info()[1] + self.app.do_teardown_request(exc) + + request_close = getattr(self.request, "close", None) + if request_close is not None: + request_close() + clear_request = True + finally: + rv = _request_ctx_stack.pop() + + # get rid of circular dependencies at the end of the request + # so that we don't require the GC to be active. + if clear_request: + rv.request.environ["werkzeug.request"] = None + + # Get rid of the app as well if necessary. + if app_ctx is not None: + app_ctx.pop(exc) + + assert ( + rv is self + ), f"Popped wrong request context. ({rv!r} instead of {self!r})" + + def auto_pop(self, exc: t.Optional[BaseException]) -> None: + if self.request.environ.get("flask._preserve_context") or ( + exc is not None and self.app.preserve_context_on_exception + ): + self.preserved = True + self._preserved_exc = exc # type: ignore + else: + self.pop(exc) + + def __enter__(self) -> "RequestContext": + self.push() + return self + + def __exit__( + self, exc_type: type, exc_value: BaseException, tb: TracebackType + ) -> None: + # do not pop the request stack if we are in debug mode and an + # exception happened. This will allow the debugger to still + # access the request object in the interactive shell. Furthermore + # the context can be force kept alive for the test client. + # See flask.testing for how this works. + self.auto_pop(exc_value) + + def __repr__(self) -> str: + return ( + f"<{type(self).__name__} {self.request.url!r}" + f" [{self.request.method}] of {self.app.name}>" + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/debughelpers.py b/backend/mb-env/lib/python3.9/site-packages/flask/debughelpers.py new file mode 100644 index 0000000..ce65c48 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/debughelpers.py @@ -0,0 +1,171 @@ +import os +import typing as t +from warnings import warn + +from .app import Flask +from .blueprints import Blueprint +from .globals import _request_ctx_stack + + +class UnexpectedUnicodeError(AssertionError, UnicodeError): + """Raised in places where we want some better error reporting for + unexpected unicode or binary data. + """ + + +class DebugFilesKeyError(KeyError, AssertionError): + """Raised from request.files during debugging. The idea is that it can + provide a better error message than just a generic KeyError/BadRequest. + """ + + def __init__(self, request, key): + form_matches = request.form.getlist(key) + buf = [ + f"You tried to access the file {key!r} in the request.files" + " dictionary but it does not exist. The mimetype for the" + f" request is {request.mimetype!r} instead of" + " 'multipart/form-data' which means that no file contents" + " were transmitted. To fix this error you should provide" + ' enctype="multipart/form-data" in your form.' + ] + if form_matches: + names = ", ".join(repr(x) for x in form_matches) + buf.append( + "\n\nThe browser instead transmitted some file names. " + f"This was submitted: {names}" + ) + self.msg = "".join(buf) + + def __str__(self): + return self.msg + + +class FormDataRoutingRedirect(AssertionError): + """This exception is raised by Flask in debug mode if it detects a + redirect caused by the routing system when the request method is not + GET, HEAD or OPTIONS. Reasoning: form data will be dropped. + """ + + def __init__(self, request): + exc = request.routing_exception + buf = [ + f"A request was sent to this URL ({request.url}) but a" + " redirect was issued automatically by the routing system" + f" to {exc.new_url!r}." + ] + + # In case just a slash was appended we can be extra helpful + if f"{request.base_url}/" == exc.new_url.split("?")[0]: + buf.append( + " The URL was defined with a trailing slash so Flask" + " will automatically redirect to the URL with the" + " trailing slash if it was accessed without one." + ) + + buf.append( + " Make sure to directly send your" + f" {request.method}-request to this URL since we can't make" + " browsers or HTTP clients redirect with form data reliably" + " or without user interaction." + ) + buf.append("\n\nNote: this exception is only raised in debug mode") + AssertionError.__init__(self, "".join(buf).encode("utf-8")) + + +def attach_enctype_error_multidict(request): + """Since Flask 0.8 we're monkeypatching the files object in case a + request is detected that does not use multipart form data but the files + object is accessed. + """ + oldcls = request.files.__class__ + + class newcls(oldcls): + def __getitem__(self, key): + try: + return oldcls.__getitem__(self, key) + except KeyError: + if key not in request.form: + raise + raise DebugFilesKeyError(request, key) + + newcls.__name__ = oldcls.__name__ + newcls.__module__ = oldcls.__module__ + request.files.__class__ = newcls + + +def _dump_loader_info(loader) -> t.Generator: + yield f"class: {type(loader).__module__}.{type(loader).__name__}" + for key, value in sorted(loader.__dict__.items()): + if key.startswith("_"): + continue + if isinstance(value, (tuple, list)): + if not all(isinstance(x, str) for x in value): + continue + yield f"{key}:" + for item in value: + yield f" - {item}" + continue + elif not isinstance(value, (str, int, float, bool)): + continue + yield f"{key}: {value!r}" + + +def explain_template_loading_attempts(app: Flask, template, attempts) -> None: + """This should help developers understand what failed""" + info = [f"Locating template {template!r}:"] + total_found = 0 + blueprint = None + reqctx = _request_ctx_stack.top + if reqctx is not None and reqctx.request.blueprint is not None: + blueprint = reqctx.request.blueprint + + for idx, (loader, srcobj, triple) in enumerate(attempts): + if isinstance(srcobj, Flask): + src_info = f"application {srcobj.import_name!r}" + elif isinstance(srcobj, Blueprint): + src_info = f"blueprint {srcobj.name!r} ({srcobj.import_name})" + else: + src_info = repr(srcobj) + + info.append(f"{idx + 1:5}: trying loader of {src_info}") + + for line in _dump_loader_info(loader): + info.append(f" {line}") + + if triple is None: + detail = "no match" + else: + detail = f"found ({triple[1] or ''!r})" + total_found += 1 + info.append(f" -> {detail}") + + seems_fishy = False + if total_found == 0: + info.append("Error: the template could not be found.") + seems_fishy = True + elif total_found > 1: + info.append("Warning: multiple loaders returned a match for the template.") + seems_fishy = True + + if blueprint is not None and seems_fishy: + info.append( + " The template was looked up from an endpoint that belongs" + f" to the blueprint {blueprint!r}." + ) + info.append(" Maybe you did not place a template in the right folder?") + info.append(" See https://flask.palletsprojects.com/blueprints/#templates") + + app.logger.info("\n".join(info)) + + +def explain_ignored_app_run() -> None: + if os.environ.get("WERKZEUG_RUN_MAIN") != "true": + warn( + Warning( + "Silently ignoring app.run() because the application is" + " run from the flask command line executable. Consider" + ' putting app.run() behind an if __name__ == "__main__"' + " guard to silence this warning." + ), + stacklevel=3, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/globals.py b/backend/mb-env/lib/python3.9/site-packages/flask/globals.py new file mode 100644 index 0000000..6d91c75 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/globals.py @@ -0,0 +1,59 @@ +import typing as t +from functools import partial + +from werkzeug.local import LocalProxy +from werkzeug.local import LocalStack + +if t.TYPE_CHECKING: + from .app import Flask + from .ctx import _AppCtxGlobals + from .sessions import SessionMixin + from .wrappers import Request + +_request_ctx_err_msg = """\ +Working outside of request context. + +This typically means that you attempted to use functionality that needed +an active HTTP request. Consult the documentation on testing for +information about how to avoid this problem.\ +""" +_app_ctx_err_msg = """\ +Working outside of application context. + +This typically means that you attempted to use functionality that needed +to interface with the current application object in some way. To solve +this, set up an application context with app.app_context(). See the +documentation for more information.\ +""" + + +def _lookup_req_object(name): + top = _request_ctx_stack.top + if top is None: + raise RuntimeError(_request_ctx_err_msg) + return getattr(top, name) + + +def _lookup_app_object(name): + top = _app_ctx_stack.top + if top is None: + raise RuntimeError(_app_ctx_err_msg) + return getattr(top, name) + + +def _find_app(): + top = _app_ctx_stack.top + if top is None: + raise RuntimeError(_app_ctx_err_msg) + return top.app + + +# context locals +_request_ctx_stack = LocalStack() +_app_ctx_stack = LocalStack() +current_app: "Flask" = LocalProxy(_find_app) # type: ignore +request: "Request" = LocalProxy(partial(_lookup_req_object, "request")) # type: ignore +session: "SessionMixin" = LocalProxy( # type: ignore + partial(_lookup_req_object, "session") +) +g: "_AppCtxGlobals" = LocalProxy(partial(_lookup_app_object, "g")) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/helpers.py b/backend/mb-env/lib/python3.9/site-packages/flask/helpers.py new file mode 100644 index 0000000..7b8b087 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/helpers.py @@ -0,0 +1,836 @@ +import os +import pkgutil +import socket +import sys +import typing as t +import warnings +from datetime import datetime +from datetime import timedelta +from functools import lru_cache +from functools import update_wrapper +from threading import RLock + +import werkzeug.utils +from werkzeug.exceptions import NotFound +from werkzeug.routing import BuildError +from werkzeug.urls import url_quote + +from .globals import _app_ctx_stack +from .globals import _request_ctx_stack +from .globals import current_app +from .globals import request +from .globals import session +from .signals import message_flashed + +if t.TYPE_CHECKING: + from .wrappers import Response + + +def get_env() -> str: + """Get the environment the app is running in, indicated by the + :envvar:`FLASK_ENV` environment variable. The default is + ``'production'``. + """ + return os.environ.get("FLASK_ENV") or "production" + + +def get_debug_flag() -> bool: + """Get whether debug mode should be enabled for the app, indicated + by the :envvar:`FLASK_DEBUG` environment variable. The default is + ``True`` if :func:`.get_env` returns ``'development'``, or ``False`` + otherwise. + """ + val = os.environ.get("FLASK_DEBUG") + + if not val: + return get_env() == "development" + + return val.lower() not in ("0", "false", "no") + + +def get_load_dotenv(default: bool = True) -> bool: + """Get whether the user has disabled loading dotenv files by setting + :envvar:`FLASK_SKIP_DOTENV`. The default is ``True``, load the + files. + + :param default: What to return if the env var isn't set. + """ + val = os.environ.get("FLASK_SKIP_DOTENV") + + if not val: + return default + + return val.lower() in ("0", "false", "no") + + +def stream_with_context( + generator_or_function: t.Union[ + t.Iterator[t.AnyStr], t.Callable[..., t.Iterator[t.AnyStr]] + ] +) -> t.Iterator[t.AnyStr]: + """Request contexts disappear when the response is started on the server. + This is done for efficiency reasons and to make it less likely to encounter + memory leaks with badly written WSGI middlewares. The downside is that if + you are using streamed responses, the generator cannot access request bound + information any more. + + This function however can help you keep the context around for longer:: + + from flask import stream_with_context, request, Response + + @app.route('/stream') + def streamed_response(): + @stream_with_context + def generate(): + yield 'Hello ' + yield request.args['name'] + yield '!' + return Response(generate()) + + Alternatively it can also be used around a specific generator:: + + from flask import stream_with_context, request, Response + + @app.route('/stream') + def streamed_response(): + def generate(): + yield 'Hello ' + yield request.args['name'] + yield '!' + return Response(stream_with_context(generate())) + + .. versionadded:: 0.9 + """ + try: + gen = iter(generator_or_function) # type: ignore + except TypeError: + + def decorator(*args: t.Any, **kwargs: t.Any) -> t.Any: + gen = generator_or_function(*args, **kwargs) # type: ignore + return stream_with_context(gen) + + return update_wrapper(decorator, generator_or_function) # type: ignore + + def generator() -> t.Generator: + ctx = _request_ctx_stack.top + if ctx is None: + raise RuntimeError( + "Attempted to stream with context but " + "there was no context in the first place to keep around." + ) + with ctx: + # Dummy sentinel. Has to be inside the context block or we're + # not actually keeping the context around. + yield None + + # The try/finally is here so that if someone passes a WSGI level + # iterator in we're still running the cleanup logic. Generators + # don't need that because they are closed on their destruction + # automatically. + try: + yield from gen + finally: + if hasattr(gen, "close"): + gen.close() # type: ignore + + # The trick is to start the generator. Then the code execution runs until + # the first dummy None is yielded at which point the context was already + # pushed. This item is discarded. Then when the iteration continues the + # real generator is executed. + wrapped_g = generator() + next(wrapped_g) + return wrapped_g + + +def make_response(*args: t.Any) -> "Response": + """Sometimes it is necessary to set additional headers in a view. Because + views do not have to return response objects but can return a value that + is converted into a response object by Flask itself, it becomes tricky to + add headers to it. This function can be called instead of using a return + and you will get a response object which you can use to attach headers. + + If view looked like this and you want to add a new header:: + + def index(): + return render_template('index.html', foo=42) + + You can now do something like this:: + + def index(): + response = make_response(render_template('index.html', foo=42)) + response.headers['X-Parachutes'] = 'parachutes are cool' + return response + + This function accepts the very same arguments you can return from a + view function. This for example creates a response with a 404 error + code:: + + response = make_response(render_template('not_found.html'), 404) + + The other use case of this function is to force the return value of a + view function into a response which is helpful with view + decorators:: + + response = make_response(view_function()) + response.headers['X-Parachutes'] = 'parachutes are cool' + + Internally this function does the following things: + + - if no arguments are passed, it creates a new response argument + - if one argument is passed, :meth:`flask.Flask.make_response` + is invoked with it. + - if more than one argument is passed, the arguments are passed + to the :meth:`flask.Flask.make_response` function as tuple. + + .. versionadded:: 0.6 + """ + if not args: + return current_app.response_class() + if len(args) == 1: + args = args[0] + return current_app.make_response(args) + + +def url_for(endpoint: str, **values: t.Any) -> str: + """Generates a URL to the given endpoint with the method provided. + + Variable arguments that are unknown to the target endpoint are appended + to the generated URL as query arguments. If the value of a query argument + is ``None``, the whole pair is skipped. In case blueprints are active + you can shortcut references to the same blueprint by prefixing the + local endpoint with a dot (``.``). + + This will reference the index function local to the current blueprint:: + + url_for('.index') + + See :ref:`url-building`. + + Configuration values ``APPLICATION_ROOT`` and ``SERVER_NAME`` are only used when + generating URLs outside of a request context. + + To integrate applications, :class:`Flask` has a hook to intercept URL build + errors through :attr:`Flask.url_build_error_handlers`. The `url_for` + function results in a :exc:`~werkzeug.routing.BuildError` when the current + app does not have a URL for the given endpoint and values. When it does, the + :data:`~flask.current_app` calls its :attr:`~Flask.url_build_error_handlers` if + it is not ``None``, which can return a string to use as the result of + `url_for` (instead of `url_for`'s default to raise the + :exc:`~werkzeug.routing.BuildError` exception) or re-raise the exception. + An example:: + + def external_url_handler(error, endpoint, values): + "Looks up an external URL when `url_for` cannot build a URL." + # This is an example of hooking the build_error_handler. + # Here, lookup_url is some utility function you've built + # which looks up the endpoint in some external URL registry. + url = lookup_url(endpoint, **values) + if url is None: + # External lookup did not have a URL. + # Re-raise the BuildError, in context of original traceback. + exc_type, exc_value, tb = sys.exc_info() + if exc_value is error: + raise exc_type(exc_value).with_traceback(tb) + else: + raise error + # url_for will use this result, instead of raising BuildError. + return url + + app.url_build_error_handlers.append(external_url_handler) + + Here, `error` is the instance of :exc:`~werkzeug.routing.BuildError`, and + `endpoint` and `values` are the arguments passed into `url_for`. Note + that this is for building URLs outside the current application, and not for + handling 404 NotFound errors. + + .. versionadded:: 0.10 + The `_scheme` parameter was added. + + .. versionadded:: 0.9 + The `_anchor` and `_method` parameters were added. + + .. versionadded:: 0.9 + Calls :meth:`Flask.handle_build_error` on + :exc:`~werkzeug.routing.BuildError`. + + :param endpoint: the endpoint of the URL (name of the function) + :param values: the variable arguments of the URL rule + :param _external: if set to ``True``, an absolute URL is generated. Server + address can be changed via ``SERVER_NAME`` configuration variable which + falls back to the `Host` header, then to the IP and port of the request. + :param _scheme: a string specifying the desired URL scheme. The `_external` + parameter must be set to ``True`` or a :exc:`ValueError` is raised. The default + behavior uses the same scheme as the current request, or + :data:`PREFERRED_URL_SCHEME` if no request context is available. + This also can be set to an empty string to build protocol-relative + URLs. + :param _anchor: if provided this is added as anchor to the URL. + :param _method: if provided this explicitly specifies an HTTP method. + """ + appctx = _app_ctx_stack.top + reqctx = _request_ctx_stack.top + + if appctx is None: + raise RuntimeError( + "Attempted to generate a URL without the application context being" + " pushed. This has to be executed when application context is" + " available." + ) + + # If request specific information is available we have some extra + # features that support "relative" URLs. + if reqctx is not None: + url_adapter = reqctx.url_adapter + blueprint_name = request.blueprint + + if endpoint[:1] == ".": + if blueprint_name is not None: + endpoint = f"{blueprint_name}{endpoint}" + else: + endpoint = endpoint[1:] + + external = values.pop("_external", False) + + # Otherwise go with the url adapter from the appctx and make + # the URLs external by default. + else: + url_adapter = appctx.url_adapter + + if url_adapter is None: + raise RuntimeError( + "Application was not able to create a URL adapter for request" + " independent URL generation. You might be able to fix this by" + " setting the SERVER_NAME config variable." + ) + + external = values.pop("_external", True) + + anchor = values.pop("_anchor", None) + method = values.pop("_method", None) + scheme = values.pop("_scheme", None) + appctx.app.inject_url_defaults(endpoint, values) + + # This is not the best way to deal with this but currently the + # underlying Werkzeug router does not support overriding the scheme on + # a per build call basis. + old_scheme = None + if scheme is not None: + if not external: + raise ValueError("When specifying _scheme, _external must be True") + old_scheme = url_adapter.url_scheme + url_adapter.url_scheme = scheme + + try: + try: + rv = url_adapter.build( + endpoint, values, method=method, force_external=external + ) + finally: + if old_scheme is not None: + url_adapter.url_scheme = old_scheme + except BuildError as error: + # We need to inject the values again so that the app callback can + # deal with that sort of stuff. + values["_external"] = external + values["_anchor"] = anchor + values["_method"] = method + values["_scheme"] = scheme + return appctx.app.handle_url_build_error(error, endpoint, values) + + if anchor is not None: + rv += f"#{url_quote(anchor)}" + return rv + + +def get_template_attribute(template_name: str, attribute: str) -> t.Any: + """Loads a macro (or variable) a template exports. This can be used to + invoke a macro from within Python code. If you for example have a + template named :file:`_cider.html` with the following contents: + + .. sourcecode:: html+jinja + + {% macro hello(name) %}Hello {{ name }}!{% endmacro %} + + You can access this from Python code like this:: + + hello = get_template_attribute('_cider.html', 'hello') + return hello('World') + + .. versionadded:: 0.2 + + :param template_name: the name of the template + :param attribute: the name of the variable of macro to access + """ + return getattr(current_app.jinja_env.get_template(template_name).module, attribute) + + +def flash(message: str, category: str = "message") -> None: + """Flashes a message to the next request. In order to remove the + flashed message from the session and to display it to the user, + the template has to call :func:`get_flashed_messages`. + + .. versionchanged:: 0.3 + `category` parameter added. + + :param message: the message to be flashed. + :param category: the category for the message. The following values + are recommended: ``'message'`` for any kind of message, + ``'error'`` for errors, ``'info'`` for information + messages and ``'warning'`` for warnings. However any + kind of string can be used as category. + """ + # Original implementation: + # + # session.setdefault('_flashes', []).append((category, message)) + # + # This assumed that changes made to mutable structures in the session are + # always in sync with the session object, which is not true for session + # implementations that use external storage for keeping their keys/values. + flashes = session.get("_flashes", []) + flashes.append((category, message)) + session["_flashes"] = flashes + message_flashed.send( + current_app._get_current_object(), # type: ignore + message=message, + category=category, + ) + + +def get_flashed_messages( + with_categories: bool = False, category_filter: t.Iterable[str] = () +) -> t.Union[t.List[str], t.List[t.Tuple[str, str]]]: + """Pulls all flashed messages from the session and returns them. + Further calls in the same request to the function will return + the same messages. By default just the messages are returned, + but when `with_categories` is set to ``True``, the return value will + be a list of tuples in the form ``(category, message)`` instead. + + Filter the flashed messages to one or more categories by providing those + categories in `category_filter`. This allows rendering categories in + separate html blocks. The `with_categories` and `category_filter` + arguments are distinct: + + * `with_categories` controls whether categories are returned with message + text (``True`` gives a tuple, where ``False`` gives just the message text). + * `category_filter` filters the messages down to only those matching the + provided categories. + + See :doc:`/patterns/flashing` for examples. + + .. versionchanged:: 0.3 + `with_categories` parameter added. + + .. versionchanged:: 0.9 + `category_filter` parameter added. + + :param with_categories: set to ``True`` to also receive categories. + :param category_filter: filter of categories to limit return values. Only + categories in the list will be returned. + """ + flashes = _request_ctx_stack.top.flashes + if flashes is None: + _request_ctx_stack.top.flashes = flashes = ( + session.pop("_flashes") if "_flashes" in session else [] + ) + if category_filter: + flashes = list(filter(lambda f: f[0] in category_filter, flashes)) + if not with_categories: + return [x[1] for x in flashes] + return flashes + + +def _prepare_send_file_kwargs( + download_name: t.Optional[str] = None, + attachment_filename: t.Optional[str] = None, + etag: t.Optional[t.Union[bool, str]] = None, + add_etags: t.Optional[t.Union[bool]] = None, + max_age: t.Optional[ + t.Union[int, t.Callable[[t.Optional[str]], t.Optional[int]]] + ] = None, + cache_timeout: t.Optional[int] = None, + **kwargs: t.Any, +) -> t.Dict[str, t.Any]: + if attachment_filename is not None: + warnings.warn( + "The 'attachment_filename' parameter has been renamed to" + " 'download_name'. The old name will be removed in Flask" + " 2.1.", + DeprecationWarning, + stacklevel=3, + ) + download_name = attachment_filename + + if cache_timeout is not None: + warnings.warn( + "The 'cache_timeout' parameter has been renamed to" + " 'max_age'. The old name will be removed in Flask 2.1.", + DeprecationWarning, + stacklevel=3, + ) + max_age = cache_timeout + + if add_etags is not None: + warnings.warn( + "The 'add_etags' parameter has been renamed to 'etag'. The" + " old name will be removed in Flask 2.1.", + DeprecationWarning, + stacklevel=3, + ) + etag = add_etags + + if max_age is None: + max_age = current_app.get_send_file_max_age + + kwargs.update( + environ=request.environ, + download_name=download_name, + etag=etag, + max_age=max_age, + use_x_sendfile=current_app.use_x_sendfile, + response_class=current_app.response_class, + _root_path=current_app.root_path, # type: ignore + ) + return kwargs + + +def send_file( + path_or_file: t.Union[os.PathLike, str, t.BinaryIO], + mimetype: t.Optional[str] = None, + as_attachment: bool = False, + download_name: t.Optional[str] = None, + attachment_filename: t.Optional[str] = None, + conditional: bool = True, + etag: t.Union[bool, str] = True, + add_etags: t.Optional[bool] = None, + last_modified: t.Optional[t.Union[datetime, int, float]] = None, + max_age: t.Optional[ + t.Union[int, t.Callable[[t.Optional[str]], t.Optional[int]]] + ] = None, + cache_timeout: t.Optional[int] = None, +): + """Send the contents of a file to the client. + + The first argument can be a file path or a file-like object. Paths + are preferred in most cases because Werkzeug can manage the file and + get extra information from the path. Passing a file-like object + requires that the file is opened in binary mode, and is mostly + useful when building a file in memory with :class:`io.BytesIO`. + + Never pass file paths provided by a user. The path is assumed to be + trusted, so a user could craft a path to access a file you didn't + intend. Use :func:`send_from_directory` to safely serve + user-requested paths from within a directory. + + If the WSGI server sets a ``file_wrapper`` in ``environ``, it is + used, otherwise Werkzeug's built-in wrapper is used. Alternatively, + if the HTTP server supports ``X-Sendfile``, configuring Flask with + ``USE_X_SENDFILE = True`` will tell the server to send the given + path, which is much more efficient than reading it in Python. + + :param path_or_file: The path to the file to send, relative to the + current working directory if a relative path is given. + Alternatively, a file-like object opened in binary mode. Make + sure the file pointer is seeked to the start of the data. + :param mimetype: The MIME type to send for the file. If not + provided, it will try to detect it from the file name. + :param as_attachment: Indicate to a browser that it should offer to + save the file instead of displaying it. + :param download_name: The default name browsers will use when saving + the file. Defaults to the passed file name. + :param conditional: Enable conditional and range responses based on + request headers. Requires passing a file path and ``environ``. + :param etag: Calculate an ETag for the file, which requires passing + a file path. Can also be a string to use instead. + :param last_modified: The last modified time to send for the file, + in seconds. If not provided, it will try to detect it from the + file path. + :param max_age: How long the client should cache the file, in + seconds. If set, ``Cache-Control`` will be ``public``, otherwise + it will be ``no-cache`` to prefer conditional caching. + + .. versionchanged:: 2.0 + ``download_name`` replaces the ``attachment_filename`` + parameter. If ``as_attachment=False``, it is passed with + ``Content-Disposition: inline`` instead. + + .. versionchanged:: 2.0 + ``max_age`` replaces the ``cache_timeout`` parameter. + ``conditional`` is enabled and ``max_age`` is not set by + default. + + .. versionchanged:: 2.0 + ``etag`` replaces the ``add_etags`` parameter. It can be a + string to use instead of generating one. + + .. versionchanged:: 2.0 + Passing a file-like object that inherits from + :class:`~io.TextIOBase` will raise a :exc:`ValueError` rather + than sending an empty file. + + .. versionadded:: 2.0 + Moved the implementation to Werkzeug. This is now a wrapper to + pass some Flask-specific arguments. + + .. versionchanged:: 1.1 + ``filename`` may be a :class:`~os.PathLike` object. + + .. versionchanged:: 1.1 + Passing a :class:`~io.BytesIO` object supports range requests. + + .. versionchanged:: 1.0.3 + Filenames are encoded with ASCII instead of Latin-1 for broader + compatibility with WSGI servers. + + .. versionchanged:: 1.0 + UTF-8 filenames as specified in :rfc:`2231` are supported. + + .. versionchanged:: 0.12 + The filename is no longer automatically inferred from file + objects. If you want to use automatic MIME and etag support, + pass a filename via ``filename_or_fp`` or + ``attachment_filename``. + + .. versionchanged:: 0.12 + ``attachment_filename`` is preferred over ``filename`` for MIME + detection. + + .. versionchanged:: 0.9 + ``cache_timeout`` defaults to + :meth:`Flask.get_send_file_max_age`. + + .. versionchanged:: 0.7 + MIME guessing and etag support for file-like objects was + deprecated because it was unreliable. Pass a filename if you are + able to, otherwise attach an etag yourself. + + .. versionchanged:: 0.5 + The ``add_etags``, ``cache_timeout`` and ``conditional`` + parameters were added. The default behavior is to add etags. + + .. versionadded:: 0.2 + """ + return werkzeug.utils.send_file( + **_prepare_send_file_kwargs( + path_or_file=path_or_file, + environ=request.environ, + mimetype=mimetype, + as_attachment=as_attachment, + download_name=download_name, + attachment_filename=attachment_filename, + conditional=conditional, + etag=etag, + add_etags=add_etags, + last_modified=last_modified, + max_age=max_age, + cache_timeout=cache_timeout, + ) + ) + + +def safe_join(directory: str, *pathnames: str) -> str: + """Safely join zero or more untrusted path components to a base + directory to avoid escaping the base directory. + + :param directory: The trusted base directory. + :param pathnames: The untrusted path components relative to the + base directory. + :return: A safe path, otherwise ``None``. + """ + warnings.warn( + "'flask.helpers.safe_join' is deprecated and will be removed in" + " Flask 2.1. Use 'werkzeug.utils.safe_join' instead.", + DeprecationWarning, + stacklevel=2, + ) + path = werkzeug.utils.safe_join(directory, *pathnames) + + if path is None: + raise NotFound() + + return path + + +def send_from_directory( + directory: t.Union[os.PathLike, str], + path: t.Union[os.PathLike, str], + filename: t.Optional[str] = None, + **kwargs: t.Any, +) -> "Response": + """Send a file from within a directory using :func:`send_file`. + + .. code-block:: python + + @app.route("/uploads/") + def download_file(name): + return send_from_directory( + app.config['UPLOAD_FOLDER'], name, as_attachment=True + ) + + This is a secure way to serve files from a folder, such as static + files or uploads. Uses :func:`~werkzeug.security.safe_join` to + ensure the path coming from the client is not maliciously crafted to + point outside the specified directory. + + If the final path does not point to an existing regular file, + raises a 404 :exc:`~werkzeug.exceptions.NotFound` error. + + :param directory: The directory that ``path`` must be located under. + :param path: The path to the file to send, relative to + ``directory``. + :param kwargs: Arguments to pass to :func:`send_file`. + + .. versionchanged:: 2.0 + ``path`` replaces the ``filename`` parameter. + + .. versionadded:: 2.0 + Moved the implementation to Werkzeug. This is now a wrapper to + pass some Flask-specific arguments. + + .. versionadded:: 0.5 + """ + if filename is not None: + warnings.warn( + "The 'filename' parameter has been renamed to 'path'. The" + " old name will be removed in Flask 2.1.", + DeprecationWarning, + stacklevel=2, + ) + path = filename + + return werkzeug.utils.send_from_directory( # type: ignore + directory, path, **_prepare_send_file_kwargs(**kwargs) + ) + + +def get_root_path(import_name: str) -> str: + """Find the root path of a package, or the path that contains a + module. If it cannot be found, returns the current working + directory. + + Not to be confused with the value returned by :func:`find_package`. + + :meta private: + """ + # Module already imported and has a file attribute. Use that first. + mod = sys.modules.get(import_name) + + if mod is not None and hasattr(mod, "__file__"): + return os.path.dirname(os.path.abspath(mod.__file__)) + + # Next attempt: check the loader. + loader = pkgutil.get_loader(import_name) + + # Loader does not exist or we're referring to an unloaded main + # module or a main module without path (interactive sessions), go + # with the current working directory. + if loader is None or import_name == "__main__": + return os.getcwd() + + if hasattr(loader, "get_filename"): + filepath = loader.get_filename(import_name) # type: ignore + else: + # Fall back to imports. + __import__(import_name) + mod = sys.modules[import_name] + filepath = getattr(mod, "__file__", None) + + # If we don't have a file path it might be because it is a + # namespace package. In this case pick the root path from the + # first module that is contained in the package. + if filepath is None: + raise RuntimeError( + "No root path can be found for the provided module" + f" {import_name!r}. This can happen because the module" + " came from an import hook that does not provide file" + " name information or because it's a namespace package." + " In this case the root path needs to be explicitly" + " provided." + ) + + # filepath is import_name.py for a module, or __init__.py for a package. + return os.path.dirname(os.path.abspath(filepath)) + + +class locked_cached_property(werkzeug.utils.cached_property): + """A :func:`property` that is only evaluated once. Like + :class:`werkzeug.utils.cached_property` except access uses a lock + for thread safety. + + .. versionchanged:: 2.0 + Inherits from Werkzeug's ``cached_property`` (and ``property``). + """ + + def __init__( + self, + fget: t.Callable[[t.Any], t.Any], + name: t.Optional[str] = None, + doc: t.Optional[str] = None, + ) -> None: + super().__init__(fget, name=name, doc=doc) + self.lock = RLock() + + def __get__(self, obj: object, type: type = None) -> t.Any: # type: ignore + if obj is None: + return self + + with self.lock: + return super().__get__(obj, type=type) + + def __set__(self, obj: object, value: t.Any) -> None: + with self.lock: + super().__set__(obj, value) + + def __delete__(self, obj: object) -> None: + with self.lock: + super().__delete__(obj) + + +def total_seconds(td: timedelta) -> int: + """Returns the total seconds from a timedelta object. + + :param timedelta td: the timedelta to be converted in seconds + + :returns: number of seconds + :rtype: int + + .. deprecated:: 2.0 + Will be removed in Flask 2.1. Use + :meth:`timedelta.total_seconds` instead. + """ + warnings.warn( + "'total_seconds' is deprecated and will be removed in Flask" + " 2.1. Use 'timedelta.total_seconds' instead.", + DeprecationWarning, + stacklevel=2, + ) + return td.days * 60 * 60 * 24 + td.seconds + + +def is_ip(value: str) -> bool: + """Determine if the given string is an IP address. + + :param value: value to check + :type value: str + + :return: True if string is an IP address + :rtype: bool + """ + for family in (socket.AF_INET, socket.AF_INET6): + try: + socket.inet_pton(family, value) + except OSError: + pass + else: + return True + + return False + + +@lru_cache(maxsize=None) +def _split_blueprint_path(name: str) -> t.List[str]: + out: t.List[str] = [name] + + if "." in name: + out.extend(_split_blueprint_path(name.rpartition(".")[0])) + + return out diff --git a/backend/mb-env/lib/python3.9/site-packages/flask/json/__init__.py b/backend/mb-env/lib/python3.9/site-packages/flask/json/__init__.py new file mode 100644 index 0000000..5780e20 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/flask/json/__init__.py @@ -0,0 +1,350 @@ +import io +import json as _json +import typing as t +import uuid +import warnings +from datetime import date + +from jinja2.utils import htmlsafe_json_dumps as _jinja_htmlsafe_dumps +from werkzeug.http import http_date + +from ..globals import current_app +from ..globals import request + +if t.TYPE_CHECKING: + from ..app import Flask + from ..wrappers import Response + +try: + import dataclasses +except ImportError: + # Python < 3.7 + dataclasses = None # type: ignore + + +class JSONEncoder(_json.JSONEncoder): + """The default JSON encoder. Handles extra types compared to the + built-in :class:`json.JSONEncoder`. + + - :class:`datetime.datetime` and :class:`datetime.date` are + serialized to :rfc:`822` strings. This is the same as the HTTP + date format. + - :class:`uuid.UUID` is serialized to a string. + - :class:`dataclasses.dataclass` is passed to + :func:`dataclasses.asdict`. + - :class:`~markupsafe.Markup` (or any object with a ``__html__`` + method) will call the ``__html__`` method to get a string. + + Assign a subclass of this to :attr:`flask.Flask.json_encoder` or + :attr:`flask.Blueprint.json_encoder` to override the default. + """ + + def default(self, o: t.Any) -> t.Any: + """Convert ``o`` to a JSON serializable type. See + :meth:`json.JSONEncoder.default`. Python does not support + overriding how basic types like ``str`` or ``list`` are + serialized, they are handled before this method. + """ + if isinstance(o, date): + return http_date(o) + if isinstance(o, uuid.UUID): + return str(o) + if dataclasses and dataclasses.is_dataclass(o): + return dataclasses.asdict(o) + if hasattr(o, "__html__"): + return str(o.__html__()) + return super().default(o) + + +class JSONDecoder(_json.JSONDecoder): + """The default JSON decoder. + + This does not change any behavior from the built-in + :class:`json.JSONDecoder`. + + Assign a subclass of this to :attr:`flask.Flask.json_decoder` or + :attr:`flask.Blueprint.json_decoder` to override the default. + """ + + +def _dump_arg_defaults( + kwargs: t.Dict[str, t.Any], app: t.Optional["Flask"] = None +) -> None: + """Inject default arguments for dump functions.""" + if app is None: + app = current_app + + if app: + cls = app.json_encoder + bp = app.blueprints.get(request.blueprint) if request else None # type: ignore + if bp is not None and bp.json_encoder is not None: + cls = bp.json_encoder + + kwargs.setdefault("cls", cls) + kwargs.setdefault("ensure_ascii", app.config["JSON_AS_ASCII"]) + kwargs.setdefault("sort_keys", app.config["JSON_SORT_KEYS"]) + else: + kwargs.setdefault("sort_keys", True) + kwargs.setdefault("cls", JSONEncoder) + + +def _load_arg_defaults( + kwargs: t.Dict[str, t.Any], app: t.Optional["Flask"] = None +) -> None: + """Inject default arguments for load functions.""" + if app is None: + app = current_app + + if app: + cls = app.json_decoder + bp = app.blueprints.get(request.blueprint) if request else None # type: ignore + if bp is not None and bp.json_decoder is not None: + cls = bp.json_decoder + + kwargs.setdefault("cls", cls) + else: + kwargs.setdefault("cls", JSONDecoder) + + +def dumps(obj: t.Any, app: t.Optional["Flask"] = None, **kwargs: t.Any) -> str: + """Serialize an object to a string of JSON. + + Takes the same arguments as the built-in :func:`json.dumps`, with + some defaults from application configuration. + + :param obj: Object to serialize to JSON. + :param app: Use this app's config instead of the active app context + or defaults. + :param kwargs: Extra arguments passed to :func:`json.dumps`. + + .. versionchanged:: 2.0 + ``encoding`` is deprecated and will be removed in Flask 2.1. + + .. versionchanged:: 1.0.3 + ``app`` can be passed directly, rather than requiring an app + context for configuration. + """ + _dump_arg_defaults(kwargs, app=app) + encoding = kwargs.pop("encoding", None) + rv = _json.dumps(obj, **kwargs) + + if encoding is not None: + warnings.warn( + "'encoding' is deprecated and will be removed in Flask 2.1.", + DeprecationWarning, + stacklevel=2, + ) + + if isinstance(rv, str): + return rv.encode(encoding) # type: ignore + + return rv + + +def dump( + obj: t.Any, fp: t.IO[str], app: t.Optional["Flask"] = None, **kwargs: t.Any +) -> None: + """Serialize an object to JSON written to a file object. + + Takes the same arguments as the built-in :func:`json.dump`, with + some defaults from application configuration. + + :param obj: Object to serialize to JSON. + :param fp: File object to write JSON to. + :param app: Use this app's config instead of the active app context + or defaults. + :param kwargs: Extra arguments passed to :func:`json.dump`. + + .. versionchanged:: 2.0 + Writing to a binary file, and the ``encoding`` argument, is + deprecated and will be removed in Flask 2.1. + """ + _dump_arg_defaults(kwargs, app=app) + encoding = kwargs.pop("encoding", None) + show_warning = encoding is not None + + try: + fp.write("") + except TypeError: + show_warning = True + fp = io.TextIOWrapper(fp, encoding or "utf-8") # type: ignore + + if show_warning: + warnings.warn( + "Writing to a binary file, and the 'encoding' argument, is" + " deprecated and will be removed in Flask 2.1.", + DeprecationWarning, + stacklevel=2, + ) + + _json.dump(obj, fp, **kwargs) + + +def loads(s: str, app: t.Optional["Flask"] = None, **kwargs: t.Any) -> t.Any: + """Deserialize an object from a string of JSON. + + Takes the same arguments as the built-in :func:`json.loads`, with + some defaults from application configuration. + + :param s: JSON string to deserialize. + :param app: Use this app's config instead of the active app context + or defaults. + :param kwargs: Extra arguments passed to :func:`json.loads`. + + .. versionchanged:: 2.0 + ``encoding`` is deprecated and will be removed in Flask 2.1. The + data must be a string or UTF-8 bytes. + + .. versionchanged:: 1.0.3 + ``app`` can be passed directly, rather than requiring an app + context for configuration. + """ + _load_arg_defaults(kwargs, app=app) + encoding = kwargs.pop("encoding", None) + + if encoding is not None: + warnings.warn( + "'encoding' is deprecated and will be removed in Flask 2.1." + " The data must be a string or UTF-8 bytes.", + DeprecationWarning, + stacklevel=2, + ) + + if isinstance(s, bytes): + s = s.decode(encoding) + + return _json.loads(s, **kwargs) + + +def load(fp: t.IO[str], app: t.Optional["Flask"] = None, **kwargs: t.Any) -> t.Any: + """Deserialize an object from JSON read from a file object. + + Takes the same arguments as the built-in :func:`json.load`, with + some defaults from application configuration. + + :param fp: File object to read JSON from. + :param app: Use this app's config instead of the active app context + or defaults. + :param kwargs: Extra arguments passed to :func:`json.load`. + + .. versionchanged:: 2.0 + ``encoding`` is deprecated and will be removed in Flask 2.1. The + file must be text mode, or binary mode with UTF-8 bytes. + """ + _load_arg_defaults(kwargs, app=app) + encoding = kwargs.pop("encoding", None) + + if encoding is not None: + warnings.warn( + "'encoding' is deprecated and will be removed in Flask 2.1." + " The file must be text mode, or binary mode with UTF-8" + " bytes.", + DeprecationWarning, + stacklevel=2, + ) + + if isinstance(fp.read(0), bytes): + fp = io.TextIOWrapper(fp, encoding) # type: ignore + + return _json.load(fp, **kwargs) + + +def htmlsafe_dumps(obj: t.Any, **kwargs: t.Any) -> str: + """Serialize an object to a string of JSON with :func:`dumps`, then + replace HTML-unsafe characters with Unicode escapes and mark the + result safe with :class:`~markupsafe.Markup`. + + This is available in templates as the ``|tojson`` filter. + + The returned string is safe to render in HTML documents and + `` + + + + + +
    Loading...
    + + + +""" # noqa: E501 diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/__init__.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/__init__.py new file mode 100644 index 0000000..5ac5b96 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/__init__.py @@ -0,0 +1,17 @@ +import typing + + +class Middleware: + def __init__(self, cls: type, **options: typing.Any) -> None: + self.cls = cls + self.options = options + + def __iter__(self) -> typing.Iterator: + as_tuple = (self.cls, self.options) + return iter(as_tuple) + + def __repr__(self) -> str: + class_name = self.__class__.__name__ + option_strings = [f"{key}={value!r}" for key, value in self.options.items()] + args_repr = ", ".join([self.cls.__name__] + option_strings) + return f"{class_name}({args_repr})" diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/authentication.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/authentication.py new file mode 100644 index 0000000..c9e4d4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/authentication.py @@ -0,0 +1,52 @@ +import typing + +from starlette.authentication import ( + AuthCredentials, + AuthenticationBackend, + AuthenticationError, + UnauthenticatedUser, +) +from starlette.requests import HTTPConnection +from starlette.responses import PlainTextResponse, Response +from starlette.types import ASGIApp, Receive, Scope, Send + + +class AuthenticationMiddleware: + def __init__( + self, + app: ASGIApp, + backend: AuthenticationBackend, + on_error: typing.Callable[ + [HTTPConnection, AuthenticationError], Response + ] = None, + ) -> None: + self.app = app + self.backend = backend + self.on_error = ( + on_error if on_error is not None else self.default_on_error + ) # type: typing.Callable[[HTTPConnection, AuthenticationError], Response] + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] not in ["http", "websocket"]: + await self.app(scope, receive, send) + return + + conn = HTTPConnection(scope) + try: + auth_result = await self.backend.authenticate(conn) + except AuthenticationError as exc: + response = self.on_error(conn, exc) + if scope["type"] == "websocket": + await send({"type": "websocket.close", "code": 1000}) + else: + await response(scope, receive, send) + return + + if auth_result is None: + auth_result = AuthCredentials(), UnauthenticatedUser() + scope["auth"], scope["user"] = auth_result + await self.app(scope, receive, send) + + @staticmethod + def default_on_error(conn: HTTPConnection, exc: Exception) -> Response: + return PlainTextResponse(str(exc), status_code=400) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/base.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/base.py new file mode 100644 index 0000000..b347a6a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/base.py @@ -0,0 +1,67 @@ +import asyncio +import typing + +from starlette.requests import Request +from starlette.responses import Response, StreamingResponse +from starlette.types import ASGIApp, Message, Receive, Scope, Send + +RequestResponseEndpoint = typing.Callable[[Request], typing.Awaitable[Response]] +DispatchFunction = typing.Callable[ + [Request, RequestResponseEndpoint], typing.Awaitable[Response] +] + + +class BaseHTTPMiddleware: + def __init__(self, app: ASGIApp, dispatch: DispatchFunction = None) -> None: + self.app = app + self.dispatch_func = self.dispatch if dispatch is None else dispatch + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] != "http": + await self.app(scope, receive, send) + return + + request = Request(scope, receive=receive) + response = await self.dispatch_func(request, self.call_next) + await response(scope, receive, send) + + async def call_next(self, request: Request) -> Response: + loop = asyncio.get_event_loop() + queue: "asyncio.Queue[typing.Optional[Message]]" = asyncio.Queue() + + scope = request.scope + receive = request.receive + send = queue.put + + async def coro() -> None: + try: + await self.app(scope, receive, send) + finally: + await queue.put(None) + + task = loop.create_task(coro()) + message = await queue.get() + if message is None: + task.result() + raise RuntimeError("No response returned.") + assert message["type"] == "http.response.start" + + async def body_stream() -> typing.AsyncGenerator[bytes, None]: + while True: + message = await queue.get() + if message is None: + break + assert message["type"] == "http.response.body" + yield message.get("body", b"") + task.result() + + response = StreamingResponse( + status_code=message["status"], content=body_stream() + ) + response.raw_headers = message["headers"] + return response + + async def dispatch( + self, request: Request, call_next: RequestResponseEndpoint + ) -> Response: + raise NotImplementedError() # pragma: no cover diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/cors.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/cors.py new file mode 100644 index 0000000..0c9bdfb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/cors.py @@ -0,0 +1,167 @@ +import functools +import re +import typing + +from starlette.datastructures import Headers, MutableHeaders +from starlette.responses import PlainTextResponse, Response +from starlette.types import ASGIApp, Message, Receive, Scope, Send + +ALL_METHODS = ("DELETE", "GET", "OPTIONS", "PATCH", "POST", "PUT") +SAFELISTED_HEADERS = {"Accept", "Accept-Language", "Content-Language", "Content-Type"} + + +class CORSMiddleware: + def __init__( + self, + app: ASGIApp, + allow_origins: typing.Sequence[str] = (), + allow_methods: typing.Sequence[str] = ("GET",), + allow_headers: typing.Sequence[str] = (), + allow_credentials: bool = False, + allow_origin_regex: str = None, + expose_headers: typing.Sequence[str] = (), + max_age: int = 600, + ) -> None: + + if "*" in allow_methods: + allow_methods = ALL_METHODS + + compiled_allow_origin_regex = None + if allow_origin_regex is not None: + compiled_allow_origin_regex = re.compile(allow_origin_regex) + + simple_headers = {} + if "*" in allow_origins: + simple_headers["Access-Control-Allow-Origin"] = "*" + if allow_credentials: + simple_headers["Access-Control-Allow-Credentials"] = "true" + if expose_headers: + simple_headers["Access-Control-Expose-Headers"] = ", ".join(expose_headers) + + preflight_headers = {} + if "*" in allow_origins: + preflight_headers["Access-Control-Allow-Origin"] = "*" + else: + preflight_headers["Vary"] = "Origin" + preflight_headers.update( + { + "Access-Control-Allow-Methods": ", ".join(allow_methods), + "Access-Control-Max-Age": str(max_age), + } + ) + allow_headers = sorted(SAFELISTED_HEADERS | set(allow_headers)) + if allow_headers and "*" not in allow_headers: + preflight_headers["Access-Control-Allow-Headers"] = ", ".join(allow_headers) + if allow_credentials: + preflight_headers["Access-Control-Allow-Credentials"] = "true" + + self.app = app + self.allow_origins = allow_origins + self.allow_methods = allow_methods + self.allow_headers = [h.lower() for h in allow_headers] + self.allow_all_origins = "*" in allow_origins + self.allow_all_headers = "*" in allow_headers + self.allow_origin_regex = compiled_allow_origin_regex + self.simple_headers = simple_headers + self.preflight_headers = preflight_headers + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] != "http": # pragma: no cover + await self.app(scope, receive, send) + return + + method = scope["method"] + headers = Headers(scope=scope) + origin = headers.get("origin") + + if origin is None: + await self.app(scope, receive, send) + return + + if method == "OPTIONS" and "access-control-request-method" in headers: + response = self.preflight_response(request_headers=headers) + await response(scope, receive, send) + return + + await self.simple_response(scope, receive, send, request_headers=headers) + + def is_allowed_origin(self, origin: str) -> bool: + if self.allow_all_origins: + return True + + if self.allow_origin_regex is not None and self.allow_origin_regex.fullmatch( + origin + ): + return True + + return origin in self.allow_origins + + def preflight_response(self, request_headers: Headers) -> Response: + requested_origin = request_headers["origin"] + requested_method = request_headers["access-control-request-method"] + requested_headers = request_headers.get("access-control-request-headers") + + headers = dict(self.preflight_headers) + failures = [] + + if self.is_allowed_origin(origin=requested_origin): + if not self.allow_all_origins: + # If self.allow_all_origins is True, then the + # "Access-Control-Allow-Origin" header is already set to "*". + # If we only allow specific origins, then we have to mirror back + # the Origin header in the response. + headers["Access-Control-Allow-Origin"] = requested_origin + else: + failures.append("origin") + + if requested_method not in self.allow_methods: + failures.append("method") + + # If we allow all headers, then we have to mirror back any requested + # headers in the response. + if self.allow_all_headers and requested_headers is not None: + headers["Access-Control-Allow-Headers"] = requested_headers + elif requested_headers is not None: + for header in [h.lower() for h in requested_headers.split(",")]: + if header.strip() not in self.allow_headers: + failures.append("headers") + + # We don't strictly need to use 400 responses here, since its up to + # the browser to enforce the CORS policy, but its more informative + # if we do. + if failures: + failure_text = "Disallowed CORS " + ", ".join(failures) + return PlainTextResponse(failure_text, status_code=400, headers=headers) + + return PlainTextResponse("OK", status_code=200, headers=headers) + + async def simple_response( + self, scope: Scope, receive: Receive, send: Send, request_headers: Headers + ) -> None: + send = functools.partial(self.send, send=send, request_headers=request_headers) + await self.app(scope, receive, send) + + async def send( + self, message: Message, send: Send, request_headers: Headers + ) -> None: + if message["type"] != "http.response.start": + await send(message) + return + + message.setdefault("headers", []) + headers = MutableHeaders(scope=message) + headers.update(self.simple_headers) + origin = request_headers["Origin"] + has_cookie = "cookie" in request_headers + + # If request includes any cookie headers, then we must respond + # with the specific origin instead of '*'. + if self.allow_all_origins and has_cookie: + headers["Access-Control-Allow-Origin"] = origin + + # If we only allow specific origins, then we have to mirror back + # the Origin header in the response. + elif not self.allow_all_origins and self.is_allowed_origin(origin=origin): + headers["Access-Control-Allow-Origin"] = origin + headers.add_vary_header("Origin") + await send(message) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/errors.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/errors.py new file mode 100644 index 0000000..4217185 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/errors.py @@ -0,0 +1,251 @@ +import asyncio +import html +import inspect +import traceback +import typing + +from starlette.concurrency import run_in_threadpool +from starlette.requests import Request +from starlette.responses import HTMLResponse, PlainTextResponse, Response +from starlette.types import ASGIApp, Message, Receive, Scope, Send + +STYLES = """ +p { + color: #211c1c; +} +.traceback-container { + border: 1px solid #038BB8; +} +.traceback-title { + background-color: #038BB8; + color: lemonchiffon; + padding: 12px; + font-size: 20px; + margin-top: 0px; +} +.frame-line { + padding-left: 10px; + font-family: monospace; +} +.frame-filename { + font-family: monospace; +} +.center-line { + background-color: #038BB8; + color: #f9f6e1; + padding: 5px 0px 5px 5px; +} +.lineno { + margin-right: 5px; +} +.frame-title { + font-weight: unset; + padding: 10px 10px 10px 10px; + background-color: #E4F4FD; + margin-right: 10px; + color: #191f21; + font-size: 17px; + border: 1px solid #c7dce8; +} +.collapse-btn { + float: right; + padding: 0px 5px 1px 5px; + border: solid 1px #96aebb; + cursor: pointer; +} +.collapsed { + display: none; +} +.source-code { + font-family: courier; + font-size: small; + padding-bottom: 10px; +} +""" + +JS = """ + +""" + +TEMPLATE = """ + + + + Starlette Debugger + + +

    500 Server Error

    +

    {error}

    +
    +

    Traceback

    +
    {exc_html}
    +
    + {js} + + +""" + +FRAME_TEMPLATE = """ +
    +

    File {frame_filename}, + line {frame_lineno}, + in {frame_name} + {collapse_button} +

    +
    {code_context}
    +
    +""" # noqa: E501 + +LINE = """ +

    +{lineno}. {line}

    +""" + +CENTER_LINE = """ +

    +{lineno}. {line}

    +""" + + +class ServerErrorMiddleware: + """ + Handles returning 500 responses when a server error occurs. + + If 'debug' is set, then traceback responses will be returned, + otherwise the designated 'handler' will be called. + + This middleware class should generally be used to wrap *everything* + else up, so that unhandled exceptions anywhere in the stack + always result in an appropriate 500 response. + """ + + def __init__( + self, app: ASGIApp, handler: typing.Callable = None, debug: bool = False + ) -> None: + self.app = app + self.handler = handler + self.debug = debug + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] != "http": + await self.app(scope, receive, send) + return + + response_started = False + + async def _send(message: Message) -> None: + nonlocal response_started, send + + if message["type"] == "http.response.start": + response_started = True + await send(message) + + try: + await self.app(scope, receive, _send) + except Exception as exc: + if not response_started: + request = Request(scope) + if self.debug: + # In debug mode, return traceback responses. + response = self.debug_response(request, exc) + elif self.handler is None: + # Use our default 500 error handler. + response = self.error_response(request, exc) + else: + # Use an installed 500 error handler. + if asyncio.iscoroutinefunction(self.handler): + response = await self.handler(request, exc) + else: + response = await run_in_threadpool(self.handler, request, exc) + + await response(scope, receive, send) + + # We always continue to raise the exception. + # This allows servers to log the error, or allows test clients + # to optionally raise the error within the test case. + raise exc from None + + def format_line( + self, index: int, line: str, frame_lineno: int, frame_index: int + ) -> str: + values = { + # HTML escape - line could contain < or > + "line": html.escape(line).replace(" ", " "), + "lineno": (frame_lineno - frame_index) + index, + } + + if index != frame_index: + return LINE.format(**values) + return CENTER_LINE.format(**values) + + def generate_frame_html(self, frame: inspect.FrameInfo, is_collapsed: bool) -> str: + code_context = "".join( + self.format_line(index, line, frame.lineno, frame.index) # type: ignore + for index, line in enumerate(frame.code_context or []) + ) + + values = { + # HTML escape - filename could contain < or >, especially if it's a virtual + # file e.g. in the REPL + "frame_filename": html.escape(frame.filename), + "frame_lineno": frame.lineno, + # HTML escape - if you try very hard it's possible to name a function with < + # or > + "frame_name": html.escape(frame.function), + "code_context": code_context, + "collapsed": "collapsed" if is_collapsed else "", + "collapse_button": "+" if is_collapsed else "‒", + } + return FRAME_TEMPLATE.format(**values) + + def generate_html(self, exc: Exception, limit: int = 7) -> str: + traceback_obj = traceback.TracebackException.from_exception( + exc, capture_locals=True + ) + + exc_html = "" + is_collapsed = False + exc_traceback = exc.__traceback__ + if exc_traceback is not None: + frames = inspect.getinnerframes(exc_traceback, limit) + for frame in reversed(frames): + exc_html += self.generate_frame_html(frame, is_collapsed) + is_collapsed = True + + # escape error class and text + error = ( + f"{html.escape(traceback_obj.exc_type.__name__)}: " + f"{html.escape(str(traceback_obj))}" + ) + + return TEMPLATE.format(styles=STYLES, js=JS, error=error, exc_html=exc_html) + + def generate_plain_text(self, exc: Exception) -> str: + return "".join(traceback.format_exception(type(exc), exc, exc.__traceback__)) + + def debug_response(self, request: Request, exc: Exception) -> Response: + accept = request.headers.get("accept", "") + + if "text/html" in accept: + content = self.generate_html(exc) + return HTMLResponse(content, status_code=500) + content = self.generate_plain_text(exc) + return PlainTextResponse(content, status_code=500) + + def error_response(self, request: Request, exc: Exception) -> Response: + return PlainTextResponse("Internal Server Error", status_code=500) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/gzip.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/gzip.py new file mode 100644 index 0000000..69318ed --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/gzip.py @@ -0,0 +1,97 @@ +import gzip +import io + +from starlette.datastructures import Headers, MutableHeaders +from starlette.types import ASGIApp, Message, Receive, Scope, Send + + +class GZipMiddleware: + def __init__(self, app: ASGIApp, minimum_size: int = 500) -> None: + self.app = app + self.minimum_size = minimum_size + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] == "http": + headers = Headers(scope=scope) + if "gzip" in headers.get("Accept-Encoding", ""): + responder = GZipResponder(self.app, self.minimum_size) + await responder(scope, receive, send) + return + await self.app(scope, receive, send) + + +class GZipResponder: + def __init__(self, app: ASGIApp, minimum_size: int) -> None: + self.app = app + self.minimum_size = minimum_size + self.send = unattached_send # type: Send + self.initial_message = {} # type: Message + self.started = False + self.gzip_buffer = io.BytesIO() + self.gzip_file = gzip.GzipFile(mode="wb", fileobj=self.gzip_buffer) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + self.send = send + await self.app(scope, receive, self.send_with_gzip) + + async def send_with_gzip(self, message: Message) -> None: + message_type = message["type"] + if message_type == "http.response.start": + # Don't send the initial message until we've determined how to + # modify the outgoing headers correctly. + self.initial_message = message + elif message_type == "http.response.body" and not self.started: + self.started = True + body = message.get("body", b"") + more_body = message.get("more_body", False) + if len(body) < self.minimum_size and not more_body: + # Don't apply GZip to small outgoing responses. + await self.send(self.initial_message) + await self.send(message) + elif not more_body: + # Standard GZip response. + self.gzip_file.write(body) + self.gzip_file.close() + body = self.gzip_buffer.getvalue() + + headers = MutableHeaders(raw=self.initial_message["headers"]) + headers["Content-Encoding"] = "gzip" + headers["Content-Length"] = str(len(body)) + headers.add_vary_header("Accept-Encoding") + message["body"] = body + + await self.send(self.initial_message) + await self.send(message) + else: + # Initial body in streaming GZip response. + headers = MutableHeaders(raw=self.initial_message["headers"]) + headers["Content-Encoding"] = "gzip" + headers.add_vary_header("Accept-Encoding") + del headers["Content-Length"] + + self.gzip_file.write(body) + message["body"] = self.gzip_buffer.getvalue() + self.gzip_buffer.seek(0) + self.gzip_buffer.truncate() + + await self.send(self.initial_message) + await self.send(message) + + elif message_type == "http.response.body": + # Remaining body in streaming GZip response. + body = message.get("body", b"") + more_body = message.get("more_body", False) + + self.gzip_file.write(body) + if not more_body: + self.gzip_file.close() + + message["body"] = self.gzip_buffer.getvalue() + self.gzip_buffer.seek(0) + self.gzip_buffer.truncate() + + await self.send(message) + + +async def unattached_send(message: Message) -> None: + raise RuntimeError("send awaitable not set") # pragma: no cover diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/httpsredirect.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/httpsredirect.py new file mode 100644 index 0000000..a835906 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/httpsredirect.py @@ -0,0 +1,19 @@ +from starlette.datastructures import URL +from starlette.responses import RedirectResponse +from starlette.types import ASGIApp, Receive, Scope, Send + + +class HTTPSRedirectMiddleware: + def __init__(self, app: ASGIApp) -> None: + self.app = app + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] in ("http", "websocket") and scope["scheme"] in ("http", "ws"): + url = URL(scope=scope) + redirect_scheme = {"http": "https", "ws": "wss"}[url.scheme] + netloc = url.hostname if url.port in (80, 443) else url.netloc + url = url.replace(scheme=redirect_scheme, netloc=netloc) + response = RedirectResponse(url, status_code=307) + await response(scope, receive, send) + else: + await self.app(scope, receive, send) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/sessions.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/sessions.py new file mode 100644 index 0000000..d1b1d5a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/sessions.py @@ -0,0 +1,75 @@ +import json +import typing +from base64 import b64decode, b64encode + +import itsdangerous +from itsdangerous.exc import BadTimeSignature, SignatureExpired + +from starlette.datastructures import MutableHeaders, Secret +from starlette.requests import HTTPConnection +from starlette.types import ASGIApp, Message, Receive, Scope, Send + + +class SessionMiddleware: + def __init__( + self, + app: ASGIApp, + secret_key: typing.Union[str, Secret], + session_cookie: str = "session", + max_age: int = 14 * 24 * 60 * 60, # 14 days, in seconds + same_site: str = "lax", + https_only: bool = False, + ) -> None: + self.app = app + self.signer = itsdangerous.TimestampSigner(str(secret_key)) + self.session_cookie = session_cookie + self.max_age = max_age + self.security_flags = "httponly; samesite=" + same_site + if https_only: # Secure flag can be used with HTTPS only + self.security_flags += "; secure" + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] not in ("http", "websocket"): # pragma: no cover + await self.app(scope, receive, send) + return + + connection = HTTPConnection(scope) + initial_session_was_empty = True + + if self.session_cookie in connection.cookies: + data = connection.cookies[self.session_cookie].encode("utf-8") + try: + data = self.signer.unsign(data, max_age=self.max_age) + scope["session"] = json.loads(b64decode(data)) + initial_session_was_empty = False + except (BadTimeSignature, SignatureExpired): + scope["session"] = {} + else: + scope["session"] = {} + + async def send_wrapper(message: Message) -> None: + if message["type"] == "http.response.start": + if scope["session"]: + # We have session data to persist. + data = b64encode(json.dumps(scope["session"]).encode("utf-8")) + data = self.signer.sign(data) + headers = MutableHeaders(scope=message) + header_value = "%s=%s; path=/; Max-Age=%d; %s" % ( + self.session_cookie, + data.decode("utf-8"), + self.max_age, + self.security_flags, + ) + headers.append("Set-Cookie", header_value) + elif not initial_session_was_empty: + # The session has been cleared. + headers = MutableHeaders(scope=message) + header_value = "{}={}; {}".format( + self.session_cookie, + "null; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT;", + self.security_flags, + ) + headers.append("Set-Cookie", header_value) + await send(message) + + await self.app(scope, receive, send_wrapper) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/trustedhost.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/trustedhost.py new file mode 100644 index 0000000..3983652 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/trustedhost.py @@ -0,0 +1,59 @@ +import typing + +from starlette.datastructures import URL, Headers +from starlette.responses import PlainTextResponse, RedirectResponse, Response +from starlette.types import ASGIApp, Receive, Scope, Send + +ENFORCE_DOMAIN_WILDCARD = "Domain wildcard patterns must be like '*.example.com'." + + +class TrustedHostMiddleware: + def __init__( + self, + app: ASGIApp, + allowed_hosts: typing.Sequence[str] = None, + www_redirect: bool = True, + ) -> None: + if allowed_hosts is None: + allowed_hosts = ["*"] + + for pattern in allowed_hosts: + assert "*" not in pattern[1:], ENFORCE_DOMAIN_WILDCARD + if pattern.startswith("*") and pattern != "*": + assert pattern.startswith("*."), ENFORCE_DOMAIN_WILDCARD + self.app = app + self.allowed_hosts = list(allowed_hosts) + self.allow_any = "*" in allowed_hosts + self.www_redirect = www_redirect + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if self.allow_any or scope["type"] not in ( + "http", + "websocket", + ): # pragma: no cover + await self.app(scope, receive, send) + return + + headers = Headers(scope=scope) + host = headers.get("host", "").split(":")[0] + is_valid_host = False + found_www_redirect = False + for pattern in self.allowed_hosts: + if host == pattern or ( + pattern.startswith("*") and host.endswith(pattern[1:]) + ): + is_valid_host = True + break + elif "www." + host == pattern: + found_www_redirect = True + + if is_valid_host: + await self.app(scope, receive, send) + else: + if found_www_redirect and self.www_redirect: + url = URL(scope=scope) + redirect_url = url.replace(netloc="www." + url.netloc) + response = RedirectResponse(url=str(redirect_url)) # type: Response + else: + response = PlainTextResponse("Invalid host header", status_code=400) + await response(scope, receive, send) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/wsgi.py b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/wsgi.py new file mode 100644 index 0000000..a552b41 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/middleware/wsgi.py @@ -0,0 +1,144 @@ +import asyncio +import io +import sys +import typing + +from starlette.concurrency import run_in_threadpool +from starlette.types import Message, Receive, Scope, Send + + +def build_environ(scope: Scope, body: bytes) -> dict: + """ + Builds a scope and request body into a WSGI environ object. + """ + environ = { + "REQUEST_METHOD": scope["method"], + "SCRIPT_NAME": scope.get("root_path", "").encode("utf8").decode("latin1"), + "PATH_INFO": scope["path"].encode("utf8").decode("latin1"), + "QUERY_STRING": scope["query_string"].decode("ascii"), + "SERVER_PROTOCOL": f"HTTP/{scope['http_version']}", + "wsgi.version": (1, 0), + "wsgi.url_scheme": scope.get("scheme", "http"), + "wsgi.input": io.BytesIO(body), + "wsgi.errors": sys.stdout, + "wsgi.multithread": True, + "wsgi.multiprocess": True, + "wsgi.run_once": False, + } + + # Get server name and port - required in WSGI, not in ASGI + server = scope.get("server") or ("localhost", 80) + environ["SERVER_NAME"] = server[0] + environ["SERVER_PORT"] = server[1] + + # Get client IP address + if scope.get("client"): + environ["REMOTE_ADDR"] = scope["client"][0] + + # Go through headers and make them into environ entries + for name, value in scope.get("headers", []): + name = name.decode("latin1") + if name == "content-length": + corrected_name = "CONTENT_LENGTH" + elif name == "content-type": + corrected_name = "CONTENT_TYPE" + else: + corrected_name = f"HTTP_{name}".upper().replace("-", "_") + # HTTPbis say only ASCII chars are allowed in headers, but we latin1 just in + # case + value = value.decode("latin1") + if corrected_name in environ: + value = environ[corrected_name] + "," + value + environ[corrected_name] = value + return environ + + +class WSGIMiddleware: + def __init__(self, app: typing.Callable, workers: int = 10) -> None: + self.app = app + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + assert scope["type"] == "http" + responder = WSGIResponder(self.app, scope) + await responder(receive, send) + + +class WSGIResponder: + def __init__(self, app: typing.Callable, scope: Scope) -> None: + self.app = app + self.scope = scope + self.status = None + self.response_headers = None + self.send_event = asyncio.Event() + self.send_queue = [] # type: typing.List[typing.Optional[Message]] + self.loop = asyncio.get_event_loop() + self.response_started = False + self.exc_info = None # type: typing.Any + + async def __call__(self, receive: Receive, send: Send) -> None: + body = b"" + more_body = True + while more_body: + message = await receive() + body += message.get("body", b"") + more_body = message.get("more_body", False) + environ = build_environ(self.scope, body) + sender = None + try: + sender = self.loop.create_task(self.sender(send)) + await run_in_threadpool(self.wsgi, environ, self.start_response) + self.send_queue.append(None) + self.send_event.set() + await asyncio.wait_for(sender, None) + if self.exc_info is not None: + raise self.exc_info[0].with_traceback( + self.exc_info[1], self.exc_info[2] + ) + finally: + if sender and not sender.done(): + sender.cancel() # pragma: no cover + + async def sender(self, send: Send) -> None: + while True: + if self.send_queue: + message = self.send_queue.pop(0) + if message is None: + return + await send(message) + else: + await self.send_event.wait() + self.send_event.clear() + + def start_response( + self, + status: str, + response_headers: typing.List[typing.Tuple[str, str]], + exc_info: typing.Any = None, + ) -> None: + self.exc_info = exc_info + if not self.response_started: + self.response_started = True + status_code_string, _ = status.split(" ", 1) + status_code = int(status_code_string) + headers = [ + (name.strip().encode("ascii").lower(), value.strip().encode("ascii")) + for name, value in response_headers + ] + self.send_queue.append( + { + "type": "http.response.start", + "status": status_code, + "headers": headers, + } + ) + self.loop.call_soon_threadsafe(self.send_event.set) + + def wsgi(self, environ: dict, start_response: typing.Callable) -> None: + for chunk in self.app(environ, start_response): + self.send_queue.append( + {"type": "http.response.body", "body": chunk, "more_body": True} + ) + self.loop.call_soon_threadsafe(self.send_event.set) + + self.send_queue.append({"type": "http.response.body", "body": b""}) + self.loop.call_soon_threadsafe(self.send_event.set) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/py.typed b/backend/mb-env/lib/python3.9/site-packages/starlette/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/requests.py b/backend/mb-env/lib/python3.9/site-packages/starlette/requests.py new file mode 100644 index 0000000..ab6f514 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/requests.py @@ -0,0 +1,274 @@ +import asyncio +import json +import typing +from collections.abc import Mapping +from http import cookies as http_cookies + +from starlette.datastructures import URL, Address, FormData, Headers, QueryParams, State +from starlette.formparsers import FormParser, MultiPartParser +from starlette.types import Message, Receive, Scope, Send + +try: + from multipart.multipart import parse_options_header +except ImportError: # pragma: nocover + parse_options_header = None + + +SERVER_PUSH_HEADERS_TO_COPY = { + "accept", + "accept-encoding", + "accept-language", + "cache-control", + "user-agent", +} + + +def cookie_parser(cookie_string: str) -> typing.Dict[str, str]: + """ + This function parses a ``Cookie`` HTTP header into a dict of key/value pairs. + + It attempts to mimic browser cookie parsing behavior: browsers and web servers + frequently disregard the spec (RFC 6265) when setting and reading cookies, + so we attempt to suit the common scenarios here. + + This function has been adapted from Django 3.1.0. + Note: we are explicitly _NOT_ using `SimpleCookie.load` because it is based + on an outdated spec and will fail on lots of input we want to support + """ + cookie_dict: typing.Dict[str, str] = {} + for chunk in cookie_string.split(";"): + if "=" in chunk: + key, val = chunk.split("=", 1) + else: + # Assume an empty name per + # https://bugzilla.mozilla.org/show_bug.cgi?id=169091 + key, val = "", chunk + key, val = key.strip(), val.strip() + if key or val: + # unquote using Python's algorithm. + cookie_dict[key] = http_cookies._unquote(val) # type: ignore + return cookie_dict + + +class ClientDisconnect(Exception): + pass + + +class HTTPConnection(Mapping): + """ + A base class for incoming HTTP connections, that is used to provide + any functionality that is common to both `Request` and `WebSocket`. + """ + + def __init__(self, scope: Scope, receive: Receive = None) -> None: + assert scope["type"] in ("http", "websocket") + self.scope = scope + + def __getitem__(self, key: str) -> str: + return self.scope[key] + + def __iter__(self) -> typing.Iterator[str]: + return iter(self.scope) + + def __len__(self) -> int: + return len(self.scope) + + @property + def app(self) -> typing.Any: + return self.scope["app"] + + @property + def url(self) -> URL: + if not hasattr(self, "_url"): + self._url = URL(scope=self.scope) + return self._url + + @property + def base_url(self) -> URL: + if not hasattr(self, "_base_url"): + base_url_scope = dict(self.scope) + base_url_scope["path"] = "/" + base_url_scope["query_string"] = b"" + base_url_scope["root_path"] = base_url_scope.get( + "app_root_path", base_url_scope.get("root_path", "") + ) + self._base_url = URL(scope=base_url_scope) + return self._base_url + + @property + def headers(self) -> Headers: + if not hasattr(self, "_headers"): + self._headers = Headers(scope=self.scope) + return self._headers + + @property + def query_params(self) -> QueryParams: + if not hasattr(self, "_query_params"): + self._query_params = QueryParams(self.scope["query_string"]) + return self._query_params + + @property + def path_params(self) -> dict: + return self.scope.get("path_params", {}) + + @property + def cookies(self) -> typing.Dict[str, str]: + if not hasattr(self, "_cookies"): + cookies: typing.Dict[str, str] = {} + cookie_header = self.headers.get("cookie") + + if cookie_header: + cookies = cookie_parser(cookie_header) + self._cookies = cookies + return self._cookies + + @property + def client(self) -> Address: + host, port = self.scope.get("client") or (None, None) + return Address(host=host, port=port) + + @property + def session(self) -> dict: + assert ( + "session" in self.scope + ), "SessionMiddleware must be installed to access request.session" + return self.scope["session"] + + @property + def auth(self) -> typing.Any: + assert ( + "auth" in self.scope + ), "AuthenticationMiddleware must be installed to access request.auth" + return self.scope["auth"] + + @property + def user(self) -> typing.Any: + assert ( + "user" in self.scope + ), "AuthenticationMiddleware must be installed to access request.user" + return self.scope["user"] + + @property + def state(self) -> State: + if not hasattr(self, "_state"): + # Ensure 'state' has an empty dict if it's not already populated. + self.scope.setdefault("state", {}) + # Create a state instance with a reference to the dict in which it should + # store info + self._state = State(self.scope["state"]) + return self._state + + def url_for(self, name: str, **path_params: typing.Any) -> str: + router = self.scope["router"] + url_path = router.url_path_for(name, **path_params) + return url_path.make_absolute_url(base_url=self.base_url) + + +async def empty_receive() -> Message: + raise RuntimeError("Receive channel has not been made available") + + +async def empty_send(message: Message) -> None: + raise RuntimeError("Send channel has not been made available") + + +class Request(HTTPConnection): + def __init__( + self, scope: Scope, receive: Receive = empty_receive, send: Send = empty_send + ): + super().__init__(scope) + assert scope["type"] == "http" + self._receive = receive + self._send = send + self._stream_consumed = False + self._is_disconnected = False + + @property + def method(self) -> str: + return self.scope["method"] + + @property + def receive(self) -> Receive: + return self._receive + + async def stream(self) -> typing.AsyncGenerator[bytes, None]: + if hasattr(self, "_body"): + yield self._body + yield b"" + return + + if self._stream_consumed: + raise RuntimeError("Stream consumed") + + self._stream_consumed = True + while True: + message = await self._receive() + if message["type"] == "http.request": + body = message.get("body", b"") + if body: + yield body + if not message.get("more_body", False): + break + elif message["type"] == "http.disconnect": + self._is_disconnected = True + raise ClientDisconnect() + yield b"" + + async def body(self) -> bytes: + if not hasattr(self, "_body"): + chunks = [] + async for chunk in self.stream(): + chunks.append(chunk) + self._body = b"".join(chunks) + return self._body + + async def json(self) -> typing.Any: + if not hasattr(self, "_json"): + body = await self.body() + self._json = json.loads(body) + return self._json + + async def form(self) -> FormData: + if not hasattr(self, "_form"): + assert ( + parse_options_header is not None + ), "The `python-multipart` library must be installed to use form parsing." + content_type_header = self.headers.get("Content-Type") + content_type, options = parse_options_header(content_type_header) + if content_type == b"multipart/form-data": + multipart_parser = MultiPartParser(self.headers, self.stream()) + self._form = await multipart_parser.parse() + elif content_type == b"application/x-www-form-urlencoded": + form_parser = FormParser(self.headers, self.stream()) + self._form = await form_parser.parse() + else: + self._form = FormData() + return self._form + + async def close(self) -> None: + if hasattr(self, "_form"): + await self._form.close() + + async def is_disconnected(self) -> bool: + if not self._is_disconnected: + try: + message = await asyncio.wait_for(self._receive(), timeout=0.0000001) + except asyncio.TimeoutError: + message = {} + + if message.get("type") == "http.disconnect": + self._is_disconnected = True + + return self._is_disconnected + + async def send_push_promise(self, path: str) -> None: + if "http.response.push" in self.scope.get("extensions", {}): + raw_headers = [] + for name in SERVER_PUSH_HEADERS_TO_COPY: + for value in self.headers.getlist(name): + raw_headers.append( + (name.encode("latin-1"), value.encode("latin-1")) + ) + await self._send( + {"type": "http.response.push", "path": path, "headers": raw_headers} + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/responses.py b/backend/mb-env/lib/python3.9/site-packages/starlette/responses.py new file mode 100644 index 0000000..ff122fb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/responses.py @@ -0,0 +1,317 @@ +import hashlib +import http.cookies +import json +import os +import stat +import sys +import typing +from email.utils import formatdate +from mimetypes import guess_type as mimetypes_guess_type +from urllib.parse import quote, quote_plus + +from starlette.background import BackgroundTask +from starlette.concurrency import iterate_in_threadpool, run_until_first_complete +from starlette.datastructures import URL, MutableHeaders +from starlette.types import Receive, Scope, Send + +# Workaround for adding samesite support to pre 3.8 python +http.cookies.Morsel._reserved["samesite"] = "SameSite" # type: ignore + +try: + import aiofiles + from aiofiles.os import stat as aio_stat +except ImportError: # pragma: nocover + aiofiles = None # type: ignore + aio_stat = None # type: ignore + + +# Compatibility wrapper for `mimetypes.guess_type` to support `os.PathLike` on typing.Tuple[typing.Optional[str], typing.Optional[str]]: + if sys.version_info < (3, 8): # pragma: no cover + url = os.fspath(url) + return mimetypes_guess_type(url, strict) + + +class Response: + media_type = None + charset = "utf-8" + + def __init__( + self, + content: typing.Any = None, + status_code: int = 200, + headers: dict = None, + media_type: str = None, + background: BackgroundTask = None, + ) -> None: + self.status_code = status_code + if media_type is not None: + self.media_type = media_type + self.background = background + self.body = self.render(content) + self.init_headers(headers) + + def render(self, content: typing.Any) -> bytes: + if content is None: + return b"" + if isinstance(content, bytes): + return content + return content.encode(self.charset) + + def init_headers(self, headers: typing.Mapping[str, str] = None) -> None: + if headers is None: + raw_headers = [] # type: typing.List[typing.Tuple[bytes, bytes]] + populate_content_length = True + populate_content_type = True + else: + raw_headers = [ + (k.lower().encode("latin-1"), v.encode("latin-1")) + for k, v in headers.items() + ] + keys = [h[0] for h in raw_headers] + populate_content_length = b"content-length" not in keys + populate_content_type = b"content-type" not in keys + + body = getattr(self, "body", b"") + if body and populate_content_length: + content_length = str(len(body)) + raw_headers.append((b"content-length", content_length.encode("latin-1"))) + + content_type = self.media_type + if content_type is not None and populate_content_type: + if content_type.startswith("text/"): + content_type += "; charset=" + self.charset + raw_headers.append((b"content-type", content_type.encode("latin-1"))) + + self.raw_headers = raw_headers + + @property + def headers(self) -> MutableHeaders: + if not hasattr(self, "_headers"): + self._headers = MutableHeaders(raw=self.raw_headers) + return self._headers + + def set_cookie( + self, + key: str, + value: str = "", + max_age: int = None, + expires: int = None, + path: str = "/", + domain: str = None, + secure: bool = False, + httponly: bool = False, + samesite: str = "lax", + ) -> None: + cookie = http.cookies.SimpleCookie() # type: http.cookies.BaseCookie + cookie[key] = value + if max_age is not None: + cookie[key]["max-age"] = max_age + if expires is not None: + cookie[key]["expires"] = expires + if path is not None: + cookie[key]["path"] = path + if domain is not None: + cookie[key]["domain"] = domain + if secure: + cookie[key]["secure"] = True + if httponly: + cookie[key]["httponly"] = True + if samesite is not None: + assert samesite.lower() in [ + "strict", + "lax", + "none", + ], "samesite must be either 'strict', 'lax' or 'none'" + cookie[key]["samesite"] = samesite + cookie_val = cookie.output(header="").strip() + self.raw_headers.append((b"set-cookie", cookie_val.encode("latin-1"))) + + def delete_cookie(self, key: str, path: str = "/", domain: str = None) -> None: + self.set_cookie(key, expires=0, max_age=0, path=path, domain=domain) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + await send( + { + "type": "http.response.start", + "status": self.status_code, + "headers": self.raw_headers, + } + ) + await send({"type": "http.response.body", "body": self.body}) + + if self.background is not None: + await self.background() + + +class HTMLResponse(Response): + media_type = "text/html" + + +class PlainTextResponse(Response): + media_type = "text/plain" + + +class JSONResponse(Response): + media_type = "application/json" + + def render(self, content: typing.Any) -> bytes: + return json.dumps( + content, + ensure_ascii=False, + allow_nan=False, + indent=None, + separators=(",", ":"), + ).encode("utf-8") + + +class RedirectResponse(Response): + def __init__( + self, + url: typing.Union[str, URL], + status_code: int = 307, + headers: dict = None, + background: BackgroundTask = None, + ) -> None: + super().__init__( + content=b"", status_code=status_code, headers=headers, background=background + ) + self.headers["location"] = quote_plus(str(url), safe=":/%#?&=@[]!$&'()*+,;") + + +class StreamingResponse(Response): + def __init__( + self, + content: typing.Any, + status_code: int = 200, + headers: dict = None, + media_type: str = None, + background: BackgroundTask = None, + ) -> None: + if isinstance(content, typing.AsyncIterable): + self.body_iterator = content + else: + self.body_iterator = iterate_in_threadpool(content) + self.status_code = status_code + self.media_type = self.media_type if media_type is None else media_type + self.background = background + self.init_headers(headers) + + async def listen_for_disconnect(self, receive: Receive) -> None: + while True: + message = await receive() + if message["type"] == "http.disconnect": + break + + async def stream_response(self, send: Send) -> None: + await send( + { + "type": "http.response.start", + "status": self.status_code, + "headers": self.raw_headers, + } + ) + async for chunk in self.body_iterator: + if not isinstance(chunk, bytes): + chunk = chunk.encode(self.charset) + await send({"type": "http.response.body", "body": chunk, "more_body": True}) + + await send({"type": "http.response.body", "body": b"", "more_body": False}) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + await run_until_first_complete( + (self.stream_response, {"send": send}), + (self.listen_for_disconnect, {"receive": receive}), + ) + + if self.background is not None: + await self.background() + + +class FileResponse(Response): + chunk_size = 4096 + + def __init__( + self, + path: typing.Union[str, "os.PathLike[str]"], + status_code: int = 200, + headers: dict = None, + media_type: str = None, + background: BackgroundTask = None, + filename: str = None, + stat_result: os.stat_result = None, + method: str = None, + ) -> None: + assert aiofiles is not None, "'aiofiles' must be installed to use FileResponse" + self.path = path + self.status_code = status_code + self.filename = filename + self.send_header_only = method is not None and method.upper() == "HEAD" + if media_type is None: + media_type = guess_type(filename or path)[0] or "text/plain" + self.media_type = media_type + self.background = background + self.init_headers(headers) + if self.filename is not None: + content_disposition_filename = quote(self.filename) + if content_disposition_filename != self.filename: + content_disposition = "attachment; filename*=utf-8''{}".format( + content_disposition_filename + ) + else: + content_disposition = 'attachment; filename="{}"'.format(self.filename) + self.headers.setdefault("content-disposition", content_disposition) + self.stat_result = stat_result + if stat_result is not None: + self.set_stat_headers(stat_result) + + def set_stat_headers(self, stat_result: os.stat_result) -> None: + content_length = str(stat_result.st_size) + last_modified = formatdate(stat_result.st_mtime, usegmt=True) + etag_base = str(stat_result.st_mtime) + "-" + str(stat_result.st_size) + etag = hashlib.md5(etag_base.encode()).hexdigest() + + self.headers.setdefault("content-length", content_length) + self.headers.setdefault("last-modified", last_modified) + self.headers.setdefault("etag", etag) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + if self.stat_result is None: + try: + stat_result = await aio_stat(self.path) + self.set_stat_headers(stat_result) + except FileNotFoundError: + raise RuntimeError(f"File at path {self.path} does not exist.") + else: + mode = stat_result.st_mode + if not stat.S_ISREG(mode): + raise RuntimeError(f"File at path {self.path} is not a file.") + await send( + { + "type": "http.response.start", + "status": self.status_code, + "headers": self.raw_headers, + } + ) + if self.send_header_only: + await send({"type": "http.response.body", "body": b"", "more_body": False}) + else: + # Tentatively ignoring type checking failure to work around the wrong type + # definitions for aiofile that come with typeshed. See + # https://github.com/python/typeshed/pull/4650 + async with aiofiles.open(self.path, mode="rb") as file: # type: ignore + more_body = True + while more_body: + chunk = await file.read(self.chunk_size) + more_body = len(chunk) == self.chunk_size + await send( + { + "type": "http.response.body", + "body": chunk, + "more_body": more_body, + } + ) + if self.background is not None: + await self.background() diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/routing.py b/backend/mb-env/lib/python3.9/site-packages/starlette/routing.py new file mode 100644 index 0000000..1e6ae0b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/routing.py @@ -0,0 +1,686 @@ +import asyncio +import functools +import inspect +import re +import traceback +import typing +from enum import Enum + +from starlette.concurrency import run_in_threadpool +from starlette.convertors import CONVERTOR_TYPES, Convertor +from starlette.datastructures import URL, Headers, URLPath +from starlette.exceptions import HTTPException +from starlette.requests import Request +from starlette.responses import PlainTextResponse, RedirectResponse +from starlette.types import ASGIApp, Receive, Scope, Send +from starlette.websockets import WebSocket, WebSocketClose + + +class NoMatchFound(Exception): + """ + Raised by `.url_for(name, **path_params)` and `.url_path_for(name, **path_params)` + if no matching route exists. + """ + + +class Match(Enum): + NONE = 0 + PARTIAL = 1 + FULL = 2 + + +def iscoroutinefunction_or_partial(obj: typing.Any) -> bool: + """ + Correctly determines if an object is a coroutine function, + including those wrapped in functools.partial objects. + """ + while isinstance(obj, functools.partial): + obj = obj.func + return inspect.iscoroutinefunction(obj) + + +def request_response(func: typing.Callable) -> ASGIApp: + """ + Takes a function or coroutine `func(request) -> response`, + and returns an ASGI application. + """ + is_coroutine = iscoroutinefunction_or_partial(func) + + async def app(scope: Scope, receive: Receive, send: Send) -> None: + request = Request(scope, receive=receive, send=send) + if is_coroutine: + response = await func(request) + else: + response = await run_in_threadpool(func, request) + await response(scope, receive, send) + + return app + + +def websocket_session(func: typing.Callable) -> ASGIApp: + """ + Takes a coroutine `func(session)`, and returns an ASGI application. + """ + # assert asyncio.iscoroutinefunction(func), "WebSocket endpoints must be async" + + async def app(scope: Scope, receive: Receive, send: Send) -> None: + session = WebSocket(scope, receive=receive, send=send) + await func(session) + + return app + + +def get_name(endpoint: typing.Callable) -> str: + if inspect.isfunction(endpoint) or inspect.isclass(endpoint): + return endpoint.__name__ + return endpoint.__class__.__name__ + + +def replace_params( + path: str, + param_convertors: typing.Dict[str, Convertor], + path_params: typing.Dict[str, str], +) -> typing.Tuple[str, dict]: + for key, value in list(path_params.items()): + if "{" + key + "}" in path: + convertor = param_convertors[key] + value = convertor.to_string(value) + path = path.replace("{" + key + "}", value) + path_params.pop(key) + return path, path_params + + +# Match parameters in URL paths, eg. '{param}', and '{param:int}' +PARAM_REGEX = re.compile("{([a-zA-Z_][a-zA-Z0-9_]*)(:[a-zA-Z_][a-zA-Z0-9_]*)?}") + + +def compile_path( + path: str, +) -> typing.Tuple[typing.Pattern, str, typing.Dict[str, Convertor]]: + """ + Given a path string, like: "/{username:str}", return a three-tuple + of (regex, format, {param_name:convertor}). + + regex: "/(?P[^/]+)" + format: "/{username}" + convertors: {"username": StringConvertor()} + """ + path_regex = "^" + path_format = "" + + idx = 0 + param_convertors = {} + for match in PARAM_REGEX.finditer(path): + param_name, convertor_type = match.groups("str") + convertor_type = convertor_type.lstrip(":") + assert ( + convertor_type in CONVERTOR_TYPES + ), f"Unknown path convertor '{convertor_type}'" + convertor = CONVERTOR_TYPES[convertor_type] + + path_regex += re.escape(path[idx : match.start()]) + path_regex += f"(?P<{param_name}>{convertor.regex})" + + path_format += path[idx : match.start()] + path_format += "{%s}" % param_name + + param_convertors[param_name] = convertor + + idx = match.end() + + path_regex += re.escape(path[idx:]) + "$" + path_format += path[idx:] + + return re.compile(path_regex), path_format, param_convertors + + +class BaseRoute: + def matches(self, scope: Scope) -> typing.Tuple[Match, Scope]: + raise NotImplementedError() # pragma: no cover + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + raise NotImplementedError() # pragma: no cover + + async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: + raise NotImplementedError() # pragma: no cover + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + """ + A route may be used in isolation as a stand-alone ASGI app. + This is a somewhat contrived case, as they'll almost always be used + within a Router, but could be useful for some tooling and minimal apps. + """ + match, child_scope = self.matches(scope) + if match == Match.NONE: + if scope["type"] == "http": + response = PlainTextResponse("Not Found", status_code=404) + await response(scope, receive, send) + elif scope["type"] == "websocket": + websocket_close = WebSocketClose() + await websocket_close(scope, receive, send) + return + + scope.update(child_scope) + await self.handle(scope, receive, send) + + +class Route(BaseRoute): + def __init__( + self, + path: str, + endpoint: typing.Callable, + *, + methods: typing.List[str] = None, + name: str = None, + include_in_schema: bool = True, + ) -> None: + assert path.startswith("/"), "Routed paths must start with '/'" + self.path = path + self.endpoint = endpoint + self.name = get_name(endpoint) if name is None else name + self.include_in_schema = include_in_schema + + endpoint_handler = endpoint + while isinstance(endpoint_handler, functools.partial): + endpoint_handler = endpoint_handler.func + if inspect.isfunction(endpoint_handler) or inspect.ismethod(endpoint_handler): + # Endpoint is function or method. Treat it as `func(request) -> response`. + self.app = request_response(endpoint) + if methods is None: + methods = ["GET"] + else: + # Endpoint is a class. Treat it as ASGI. + self.app = endpoint + + if methods is None: + self.methods = None + else: + self.methods = {method.upper() for method in methods} + if "GET" in self.methods: + self.methods.add("HEAD") + + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + + def matches(self, scope: Scope) -> typing.Tuple[Match, Scope]: + if scope["type"] == "http": + match = self.path_regex.match(scope["path"]) + if match: + matched_params = match.groupdict() + for key, value in matched_params.items(): + matched_params[key] = self.param_convertors[key].convert(value) + path_params = dict(scope.get("path_params", {})) + path_params.update(matched_params) + child_scope = {"endpoint": self.endpoint, "path_params": path_params} + if self.methods and scope["method"] not in self.methods: + return Match.PARTIAL, child_scope + else: + return Match.FULL, child_scope + return Match.NONE, {} + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + seen_params = set(path_params.keys()) + expected_params = set(self.param_convertors.keys()) + + if name != self.name or seen_params != expected_params: + raise NoMatchFound() + + path, remaining_params = replace_params( + self.path_format, self.param_convertors, path_params + ) + assert not remaining_params + return URLPath(path=path, protocol="http") + + async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: + if self.methods and scope["method"] not in self.methods: + if "app" in scope: + raise HTTPException(status_code=405) + else: + response = PlainTextResponse("Method Not Allowed", status_code=405) + await response(scope, receive, send) + else: + await self.app(scope, receive, send) + + def __eq__(self, other: typing.Any) -> bool: + return ( + isinstance(other, Route) + and self.path == other.path + and self.endpoint == other.endpoint + and self.methods == other.methods + ) + + +class WebSocketRoute(BaseRoute): + def __init__( + self, path: str, endpoint: typing.Callable, *, name: str = None + ) -> None: + assert path.startswith("/"), "Routed paths must start with '/'" + self.path = path + self.endpoint = endpoint + self.name = get_name(endpoint) if name is None else name + + if inspect.isfunction(endpoint) or inspect.ismethod(endpoint): + # Endpoint is function or method. Treat it as `func(websocket)`. + self.app = websocket_session(endpoint) + else: + # Endpoint is a class. Treat it as ASGI. + self.app = endpoint + + self.path_regex, self.path_format, self.param_convertors = compile_path(path) + + def matches(self, scope: Scope) -> typing.Tuple[Match, Scope]: + if scope["type"] == "websocket": + match = self.path_regex.match(scope["path"]) + if match: + matched_params = match.groupdict() + for key, value in matched_params.items(): + matched_params[key] = self.param_convertors[key].convert(value) + path_params = dict(scope.get("path_params", {})) + path_params.update(matched_params) + child_scope = {"endpoint": self.endpoint, "path_params": path_params} + return Match.FULL, child_scope + return Match.NONE, {} + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + seen_params = set(path_params.keys()) + expected_params = set(self.param_convertors.keys()) + + if name != self.name or seen_params != expected_params: + raise NoMatchFound() + + path, remaining_params = replace_params( + self.path_format, self.param_convertors, path_params + ) + assert not remaining_params + return URLPath(path=path, protocol="websocket") + + async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: + await self.app(scope, receive, send) + + def __eq__(self, other: typing.Any) -> bool: + return ( + isinstance(other, WebSocketRoute) + and self.path == other.path + and self.endpoint == other.endpoint + ) + + +class Mount(BaseRoute): + def __init__( + self, + path: str, + app: ASGIApp = None, + routes: typing.Sequence[BaseRoute] = None, + name: str = None, + ) -> None: + assert path == "" or path.startswith("/"), "Routed paths must start with '/'" + assert ( + app is not None or routes is not None + ), "Either 'app=...', or 'routes=' must be specified" + self.path = path.rstrip("/") + if app is not None: + self.app = app # type: ASGIApp + else: + self.app = Router(routes=routes) + self.name = name + self.path_regex, self.path_format, self.param_convertors = compile_path( + self.path + "/{path:path}" + ) + + @property + def routes(self) -> typing.List[BaseRoute]: + return getattr(self.app, "routes", None) + + def matches(self, scope: Scope) -> typing.Tuple[Match, Scope]: + if scope["type"] in ("http", "websocket"): + path = scope["path"] + match = self.path_regex.match(path) + if match: + matched_params = match.groupdict() + for key, value in matched_params.items(): + matched_params[key] = self.param_convertors[key].convert(value) + remaining_path = "/" + matched_params.pop("path") + matched_path = path[: -len(remaining_path)] + path_params = dict(scope.get("path_params", {})) + path_params.update(matched_params) + root_path = scope.get("root_path", "") + child_scope = { + "path_params": path_params, + "app_root_path": scope.get("app_root_path", root_path), + "root_path": root_path + matched_path, + "path": remaining_path, + "endpoint": self.app, + } + return Match.FULL, child_scope + return Match.NONE, {} + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + if self.name is not None and name == self.name and "path" in path_params: + # 'name' matches "". + path_params["path"] = path_params["path"].lstrip("/") + path, remaining_params = replace_params( + self.path_format, self.param_convertors, path_params + ) + if not remaining_params: + return URLPath(path=path) + elif self.name is None or name.startswith(self.name + ":"): + if self.name is None: + # No mount name. + remaining_name = name + else: + # 'name' matches ":". + remaining_name = name[len(self.name) + 1 :] + path_kwarg = path_params.get("path") + path_params["path"] = "" + path_prefix, remaining_params = replace_params( + self.path_format, self.param_convertors, path_params + ) + if path_kwarg is not None: + remaining_params["path"] = path_kwarg + for route in self.routes or []: + try: + url = route.url_path_for(remaining_name, **remaining_params) + return URLPath( + path=path_prefix.rstrip("/") + str(url), protocol=url.protocol + ) + except NoMatchFound: + pass + raise NoMatchFound() + + async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: + await self.app(scope, receive, send) + + def __eq__(self, other: typing.Any) -> bool: + return ( + isinstance(other, Mount) + and self.path == other.path + and self.app == other.app + ) + + +class Host(BaseRoute): + def __init__(self, host: str, app: ASGIApp, name: str = None) -> None: + self.host = host + self.app = app + self.name = name + self.host_regex, self.host_format, self.param_convertors = compile_path(host) + + @property + def routes(self) -> typing.List[BaseRoute]: + return getattr(self.app, "routes", None) + + def matches(self, scope: Scope) -> typing.Tuple[Match, Scope]: + if scope["type"] in ("http", "websocket"): + headers = Headers(scope=scope) + host = headers.get("host", "").split(":")[0] + match = self.host_regex.match(host) + if match: + matched_params = match.groupdict() + for key, value in matched_params.items(): + matched_params[key] = self.param_convertors[key].convert(value) + path_params = dict(scope.get("path_params", {})) + path_params.update(matched_params) + child_scope = {"path_params": path_params, "endpoint": self.app} + return Match.FULL, child_scope + return Match.NONE, {} + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + if self.name is not None and name == self.name and "path" in path_params: + # 'name' matches "". + path = path_params.pop("path") + host, remaining_params = replace_params( + self.host_format, self.param_convertors, path_params + ) + if not remaining_params: + return URLPath(path=path, host=host) + elif self.name is None or name.startswith(self.name + ":"): + if self.name is None: + # No mount name. + remaining_name = name + else: + # 'name' matches ":". + remaining_name = name[len(self.name) + 1 :] + host, remaining_params = replace_params( + self.host_format, self.param_convertors, path_params + ) + for route in self.routes or []: + try: + url = route.url_path_for(remaining_name, **remaining_params) + return URLPath(path=str(url), protocol=url.protocol, host=host) + except NoMatchFound: + pass + raise NoMatchFound() + + async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: + await self.app(scope, receive, send) + + def __eq__(self, other: typing.Any) -> bool: + return ( + isinstance(other, Host) + and self.host == other.host + and self.app == other.app + ) + + +class Router: + def __init__( + self, + routes: typing.Sequence[BaseRoute] = None, + redirect_slashes: bool = True, + default: ASGIApp = None, + on_startup: typing.Sequence[typing.Callable] = None, + on_shutdown: typing.Sequence[typing.Callable] = None, + lifespan: typing.Callable[[typing.Any], typing.AsyncGenerator] = None, + ) -> None: + self.routes = [] if routes is None else list(routes) + self.redirect_slashes = redirect_slashes + self.default = self.not_found if default is None else default + self.on_startup = [] if on_startup is None else list(on_startup) + self.on_shutdown = [] if on_shutdown is None else list(on_shutdown) + + async def default_lifespan(app: typing.Any) -> typing.AsyncGenerator: + await self.startup() + yield + await self.shutdown() + + self.lifespan_context = default_lifespan if lifespan is None else lifespan + + async def not_found(self, scope: Scope, receive: Receive, send: Send) -> None: + if scope["type"] == "websocket": + websocket_close = WebSocketClose() + await websocket_close(scope, receive, send) + return + + # If we're running inside a starlette application then raise an + # exception, so that the configurable exception handler can deal with + # returning the response. For plain ASGI apps, just return the response. + if "app" in scope: + raise HTTPException(status_code=404) + else: + response = PlainTextResponse("Not Found", status_code=404) + await response(scope, receive, send) + + def url_path_for(self, name: str, **path_params: str) -> URLPath: + for route in self.routes: + try: + return route.url_path_for(name, **path_params) + except NoMatchFound: + pass + raise NoMatchFound() + + async def startup(self) -> None: + """ + Run any `.on_startup` event handlers. + """ + for handler in self.on_startup: + if asyncio.iscoroutinefunction(handler): + await handler() + else: + handler() + + async def shutdown(self) -> None: + """ + Run any `.on_shutdown` event handlers. + """ + for handler in self.on_shutdown: + if asyncio.iscoroutinefunction(handler): + await handler() + else: + handler() + + async def lifespan(self, scope: Scope, receive: Receive, send: Send) -> None: + """ + Handle ASGI lifespan messages, which allows us to manage application + startup and shutdown events. + """ + first = True + app = scope.get("app") + await receive() + try: + if inspect.isasyncgenfunction(self.lifespan_context): + async for item in self.lifespan_context(app): + assert first, "Lifespan context yielded multiple times." + first = False + await send({"type": "lifespan.startup.complete"}) + await receive() + else: + for item in self.lifespan_context(app): # type: ignore + assert first, "Lifespan context yielded multiple times." + first = False + await send({"type": "lifespan.startup.complete"}) + await receive() + except BaseException: + if first: + exc_text = traceback.format_exc() + await send({"type": "lifespan.startup.failed", "message": exc_text}) + raise + else: + await send({"type": "lifespan.shutdown.complete"}) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + """ + The main entry point to the Router class. + """ + assert scope["type"] in ("http", "websocket", "lifespan") + + if "router" not in scope: + scope["router"] = self + + if scope["type"] == "lifespan": + await self.lifespan(scope, receive, send) + return + + partial = None + + for route in self.routes: + # Determine if any route matches the incoming scope, + # and hand over to the matching route if found. + match, child_scope = route.matches(scope) + if match == Match.FULL: + scope.update(child_scope) + await route.handle(scope, receive, send) + return + elif match == Match.PARTIAL and partial is None: + partial = route + partial_scope = child_scope + + if partial is not None: + #  Handle partial matches. These are cases where an endpoint is + # able to handle the request, but is not a preferred option. + # We use this in particular to deal with "405 Method Not Allowed". + scope.update(partial_scope) + await partial.handle(scope, receive, send) + return + + if scope["type"] == "http" and self.redirect_slashes and scope["path"] != "/": + redirect_scope = dict(scope) + if scope["path"].endswith("/"): + redirect_scope["path"] = redirect_scope["path"].rstrip("/") + else: + redirect_scope["path"] = redirect_scope["path"] + "/" + + for route in self.routes: + match, child_scope = route.matches(redirect_scope) + if match != Match.NONE: + redirect_url = URL(scope=redirect_scope) + response = RedirectResponse(url=str(redirect_url)) + await response(scope, receive, send) + return + + await self.default(scope, receive, send) + + def __eq__(self, other: typing.Any) -> bool: + return isinstance(other, Router) and self.routes == other.routes + + # The following usages are now discouraged in favour of configuration + #  during Router.__init__(...) + def mount(self, path: str, app: ASGIApp, name: str = None) -> None: + route = Mount(path, app=app, name=name) + self.routes.append(route) + + def host(self, host: str, app: ASGIApp, name: str = None) -> None: + route = Host(host, app=app, name=name) + self.routes.append(route) + + def add_route( + self, + path: str, + endpoint: typing.Callable, + methods: typing.List[str] = None, + name: str = None, + include_in_schema: bool = True, + ) -> None: + route = Route( + path, + endpoint=endpoint, + methods=methods, + name=name, + include_in_schema=include_in_schema, + ) + self.routes.append(route) + + def add_websocket_route( + self, path: str, endpoint: typing.Callable, name: str = None + ) -> None: + route = WebSocketRoute(path, endpoint=endpoint, name=name) + self.routes.append(route) + + def route( + self, + path: str, + methods: typing.List[str] = None, + name: str = None, + include_in_schema: bool = True, + ) -> typing.Callable: + def decorator(func: typing.Callable) -> typing.Callable: + self.add_route( + path, + func, + methods=methods, + name=name, + include_in_schema=include_in_schema, + ) + return func + + return decorator + + def websocket_route(self, path: str, name: str = None) -> typing.Callable: + def decorator(func: typing.Callable) -> typing.Callable: + self.add_websocket_route(path, func, name=name) + return func + + return decorator + + def add_event_handler(self, event_type: str, func: typing.Callable) -> None: + assert event_type in ("startup", "shutdown") + + if event_type == "startup": + self.on_startup.append(func) + else: + self.on_shutdown.append(func) + + def on_event(self, event_type: str) -> typing.Callable: + def decorator(func: typing.Callable) -> typing.Callable: + self.add_event_handler(event_type, func) + return func + + return decorator diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/schemas.py b/backend/mb-env/lib/python3.9/site-packages/starlette/schemas.py new file mode 100644 index 0000000..6ca764f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/schemas.py @@ -0,0 +1,135 @@ +import inspect +import typing + +from starlette.requests import Request +from starlette.responses import Response +from starlette.routing import BaseRoute, Mount, Route + +try: + import yaml +except ImportError: # pragma: nocover + yaml = None # type: ignore + + +class OpenAPIResponse(Response): + media_type = "application/vnd.oai.openapi" + + def render(self, content: typing.Any) -> bytes: + assert yaml is not None, "`pyyaml` must be installed to use OpenAPIResponse." + assert isinstance( + content, dict + ), "The schema passed to OpenAPIResponse should be a dictionary." + return yaml.dump(content, default_flow_style=False).encode("utf-8") + + +class EndpointInfo(typing.NamedTuple): + path: str + http_method: str + func: typing.Callable + + +class BaseSchemaGenerator: + def get_schema(self, routes: typing.List[BaseRoute]) -> dict: + raise NotImplementedError() # pragma: no cover + + def get_endpoints( + self, routes: typing.List[BaseRoute] + ) -> typing.List[EndpointInfo]: + """ + Given the routes, yields the following information: + + - path + eg: /users/ + - http_method + one of 'get', 'post', 'put', 'patch', 'delete', 'options' + - func + method ready to extract the docstring + """ + endpoints_info: list = [] + + for route in routes: + if isinstance(route, Mount): + routes = route.routes or [] + sub_endpoints = [ + EndpointInfo( + path="".join((route.path, sub_endpoint.path)), + http_method=sub_endpoint.http_method, + func=sub_endpoint.func, + ) + for sub_endpoint in self.get_endpoints(routes) + ] + endpoints_info.extend(sub_endpoints) + + elif not isinstance(route, Route) or not route.include_in_schema: + continue + + elif inspect.isfunction(route.endpoint) or inspect.ismethod(route.endpoint): + for method in route.methods or ["GET"]: + if method == "HEAD": + continue + endpoints_info.append( + EndpointInfo(route.path, method.lower(), route.endpoint) + ) + else: + for method in ["get", "post", "put", "patch", "delete", "options"]: + if not hasattr(route.endpoint, method): + continue + func = getattr(route.endpoint, method) + endpoints_info.append( + EndpointInfo(route.path, method.lower(), func) + ) + + return endpoints_info + + def parse_docstring(self, func_or_method: typing.Callable) -> dict: + """ + Given a function, parse the docstring as YAML and return a dictionary of info. + """ + docstring = func_or_method.__doc__ + if not docstring: + return {} + + assert yaml is not None, "`pyyaml` must be installed to use parse_docstring." + + # We support having regular docstrings before the schema + # definition. Here we return just the schema part from + # the docstring. + docstring = docstring.split("---")[-1] + + parsed = yaml.safe_load(docstring) + + if not isinstance(parsed, dict): + # A regular docstring (not yaml formatted) can return + # a simple string here, which wouldn't follow the schema. + return {} + + return parsed + + def OpenAPIResponse(self, request: Request) -> Response: + routes = request.app.routes + schema = self.get_schema(routes=routes) + return OpenAPIResponse(schema) + + +class SchemaGenerator(BaseSchemaGenerator): + def __init__(self, base_schema: dict) -> None: + self.base_schema = base_schema + + def get_schema(self, routes: typing.List[BaseRoute]) -> dict: + schema = dict(self.base_schema) + schema.setdefault("paths", {}) + endpoints_info = self.get_endpoints(routes) + + for endpoint in endpoints_info: + + parsed = self.parse_docstring(endpoint.func) + + if not parsed: + continue + + if endpoint.path not in schema["paths"]: + schema["paths"][endpoint.path] = {} + + schema["paths"][endpoint.path][endpoint.http_method] = parsed + + return schema diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/staticfiles.py b/backend/mb-env/lib/python3.9/site-packages/starlette/staticfiles.py new file mode 100644 index 0000000..8822efd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/staticfiles.py @@ -0,0 +1,224 @@ +import importlib.util +import os +import stat +import typing +from email.utils import parsedate + +from aiofiles.os import stat as aio_stat + +from starlette.datastructures import URL, Headers +from starlette.responses import ( + FileResponse, + PlainTextResponse, + RedirectResponse, + Response, +) +from starlette.types import Receive, Scope, Send + +PathLike = typing.Union[str, "os.PathLike[str]"] + + +class NotModifiedResponse(Response): + NOT_MODIFIED_HEADERS = ( + "cache-control", + "content-location", + "date", + "etag", + "expires", + "vary", + ) + + def __init__(self, headers: Headers): + super().__init__( + status_code=304, + headers={ + name: value + for name, value in headers.items() + if name in self.NOT_MODIFIED_HEADERS + }, + ) + + +class StaticFiles: + def __init__( + self, + *, + directory: PathLike = None, + packages: typing.List[str] = None, + html: bool = False, + check_dir: bool = True, + ) -> None: + self.directory = directory + self.packages = packages + self.all_directories = self.get_directories(directory, packages) + self.html = html + self.config_checked = False + if check_dir and directory is not None and not os.path.isdir(directory): + raise RuntimeError(f"Directory '{directory}' does not exist") + + def get_directories( + self, directory: PathLike = None, packages: typing.List[str] = None + ) -> typing.List[PathLike]: + """ + Given `directory` and `packages` arguments, return a list of all the + directories that should be used for serving static files from. + """ + directories = [] + if directory is not None: + directories.append(directory) + + for package in packages or []: + spec = importlib.util.find_spec(package) + assert spec is not None, f"Package {package!r} could not be found." + assert ( + spec.origin is not None + ), f"Directory 'statics' in package {package!r} could not be found." + package_directory = os.path.normpath( + os.path.join(spec.origin, "..", "statics") + ) + assert os.path.isdir( + package_directory + ), f"Directory 'statics' in package {package!r} could not be found." + directories.append(package_directory) + + return directories + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + """ + The ASGI entry point. + """ + assert scope["type"] == "http" + + if not self.config_checked: + await self.check_config() + self.config_checked = True + + path = self.get_path(scope) + response = await self.get_response(path, scope) + await response(scope, receive, send) + + def get_path(self, scope: Scope) -> str: + """ + Given the ASGI scope, return the `path` string to serve up, + with OS specific path seperators, and any '..', '.' components removed. + """ + return os.path.normpath(os.path.join(*scope["path"].split("/"))) + + async def get_response(self, path: str, scope: Scope) -> Response: + """ + Returns an HTTP response, given the incoming path, method and request headers. + """ + if scope["method"] not in ("GET", "HEAD"): + return PlainTextResponse("Method Not Allowed", status_code=405) + + full_path, stat_result = await self.lookup_path(path) + + if stat_result and stat.S_ISREG(stat_result.st_mode): + # We have a static file to serve. + return self.file_response(full_path, stat_result, scope) + + elif stat_result and stat.S_ISDIR(stat_result.st_mode) and self.html: + # We're in HTML mode, and have got a directory URL. + # Check if we have 'index.html' file to serve. + index_path = os.path.join(path, "index.html") + full_path, stat_result = await self.lookup_path(index_path) + if stat_result is not None and stat.S_ISREG(stat_result.st_mode): + if not scope["path"].endswith("/"): + # Directory URLs should redirect to always end in "/". + url = URL(scope=scope) + url = url.replace(path=url.path + "/") + return RedirectResponse(url=url) + return self.file_response(full_path, stat_result, scope) + + if self.html: + # Check for '404.html' if we're in HTML mode. + full_path, stat_result = await self.lookup_path("404.html") + if stat_result is not None and stat.S_ISREG(stat_result.st_mode): + return self.file_response( + full_path, stat_result, scope, status_code=404 + ) + + return PlainTextResponse("Not Found", status_code=404) + + async def lookup_path( + self, path: str + ) -> typing.Tuple[str, typing.Optional[os.stat_result]]: + for directory in self.all_directories: + full_path = os.path.realpath(os.path.join(directory, path)) + directory = os.path.realpath(directory) + if os.path.commonprefix([full_path, directory]) != directory: + # Don't allow misbehaving clients to break out of the static files + # directory. + continue + try: + stat_result = await aio_stat(full_path) + return (full_path, stat_result) + except FileNotFoundError: + pass + return ("", None) + + def file_response( + self, + full_path: PathLike, + stat_result: os.stat_result, + scope: Scope, + status_code: int = 200, + ) -> Response: + method = scope["method"] + request_headers = Headers(scope=scope) + + response = FileResponse( + full_path, status_code=status_code, stat_result=stat_result, method=method + ) + if self.is_not_modified(response.headers, request_headers): + return NotModifiedResponse(response.headers) + return response + + async def check_config(self) -> None: + """ + Perform a one-off configuration check that StaticFiles is actually + pointed at a directory, so that we can raise loud errors rather than + just returning 404 responses. + """ + if self.directory is None: + return + + try: + stat_result = await aio_stat(self.directory) + except FileNotFoundError: + raise RuntimeError( + f"StaticFiles directory '{self.directory}' does not exist." + ) + if not (stat.S_ISDIR(stat_result.st_mode) or stat.S_ISLNK(stat_result.st_mode)): + raise RuntimeError( + f"StaticFiles path '{self.directory}' is not a directory." + ) + + def is_not_modified( + self, response_headers: Headers, request_headers: Headers + ) -> bool: + """ + Given the request and response headers, return `True` if an HTTP + "Not Modified" response could be returned instead. + """ + try: + if_none_match = request_headers["if-none-match"] + etag = response_headers["etag"] + if if_none_match == etag: + return True + except KeyError: + pass + + try: + if_modified_since = parsedate(request_headers["if-modified-since"]) + last_modified = parsedate(response_headers["last-modified"]) + if ( + if_modified_since is not None + and last_modified is not None + and if_modified_since >= last_modified + ): + return True + except KeyError: + pass + + return False diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/status.py b/backend/mb-env/lib/python3.9/site-packages/starlette/status.py new file mode 100644 index 0000000..b122ae8 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/status.py @@ -0,0 +1,92 @@ +""" +HTTP codes +See HTTP Status Code Registry: +https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml + +And RFC 2324 - https://tools.ietf.org/html/rfc2324 +""" +HTTP_100_CONTINUE = 100 +HTTP_101_SWITCHING_PROTOCOLS = 101 +HTTP_102_PROCESSING = 102 +HTTP_103_EARLY_HINTS = 103 +HTTP_200_OK = 200 +HTTP_201_CREATED = 201 +HTTP_202_ACCEPTED = 202 +HTTP_203_NON_AUTHORITATIVE_INFORMATION = 203 +HTTP_204_NO_CONTENT = 204 +HTTP_205_RESET_CONTENT = 205 +HTTP_206_PARTIAL_CONTENT = 206 +HTTP_207_MULTI_STATUS = 207 +HTTP_208_ALREADY_REPORTED = 208 +HTTP_226_IM_USED = 226 +HTTP_300_MULTIPLE_CHOICES = 300 +HTTP_301_MOVED_PERMANENTLY = 301 +HTTP_302_FOUND = 302 +HTTP_303_SEE_OTHER = 303 +HTTP_304_NOT_MODIFIED = 304 +HTTP_305_USE_PROXY = 305 +HTTP_306_RESERVED = 306 +HTTP_307_TEMPORARY_REDIRECT = 307 +HTTP_308_PERMANENT_REDIRECT = 308 +HTTP_400_BAD_REQUEST = 400 +HTTP_401_UNAUTHORIZED = 401 +HTTP_402_PAYMENT_REQUIRED = 402 +HTTP_403_FORBIDDEN = 403 +HTTP_404_NOT_FOUND = 404 +HTTP_405_METHOD_NOT_ALLOWED = 405 +HTTP_406_NOT_ACCEPTABLE = 406 +HTTP_407_PROXY_AUTHENTICATION_REQUIRED = 407 +HTTP_408_REQUEST_TIMEOUT = 408 +HTTP_409_CONFLICT = 409 +HTTP_410_GONE = 410 +HTTP_411_LENGTH_REQUIRED = 411 +HTTP_412_PRECONDITION_FAILED = 412 +HTTP_413_REQUEST_ENTITY_TOO_LARGE = 413 +HTTP_414_REQUEST_URI_TOO_LONG = 414 +HTTP_415_UNSUPPORTED_MEDIA_TYPE = 415 +HTTP_416_REQUESTED_RANGE_NOT_SATISFIABLE = 416 +HTTP_417_EXPECTATION_FAILED = 417 +HTTP_418_IM_A_TEAPOT = 418 +HTTP_421_MISDIRECTED_REQUEST = 421 +HTTP_422_UNPROCESSABLE_ENTITY = 422 +HTTP_423_LOCKED = 423 +HTTP_424_FAILED_DEPENDENCY = 424 +HTTP_425_TOO_EARLY = 425 +HTTP_426_UPGRADE_REQUIRED = 426 +HTTP_428_PRECONDITION_REQUIRED = 428 +HTTP_429_TOO_MANY_REQUESTS = 429 +HTTP_431_REQUEST_HEADER_FIELDS_TOO_LARGE = 431 +HTTP_451_UNAVAILABLE_FOR_LEGAL_REASONS = 451 +HTTP_500_INTERNAL_SERVER_ERROR = 500 +HTTP_501_NOT_IMPLEMENTED = 501 +HTTP_502_BAD_GATEWAY = 502 +HTTP_503_SERVICE_UNAVAILABLE = 503 +HTTP_504_GATEWAY_TIMEOUT = 504 +HTTP_505_HTTP_VERSION_NOT_SUPPORTED = 505 +HTTP_506_VARIANT_ALSO_NEGOTIATES = 506 +HTTP_507_INSUFFICIENT_STORAGE = 507 +HTTP_508_LOOP_DETECTED = 508 +HTTP_510_NOT_EXTENDED = 510 +HTTP_511_NETWORK_AUTHENTICATION_REQUIRED = 511 + + +""" +WebSocket codes +https://www.iana.org/assignments/websocket/websocket.xml#close-code-number +https://developer.mozilla.org/en-US/docs/Web/API/CloseEvent +""" +WS_1000_NORMAL_CLOSURE = 1000 +WS_1001_GOING_AWAY = 1001 +WS_1002_PROTOCOL_ERROR = 1002 +WS_1003_UNSUPPORTED_DATA = 1003 +WS_1004_NO_STATUS_RCVD = 1004 +WS_1005_ABNORMAL_CLOSURE = 1005 +WS_1007_INVALID_FRAME_PAYLOAD_DATA = 1007 +WS_1008_POLICY_VIOLATION = 1008 +WS_1009_MESSAGE_TOO_BIG = 1009 +WS_1010_MANDATORY_EXT = 1010 +WS_1011_INTERNAL_ERROR = 1011 +WS_1012_SERVICE_RESTART = 1012 +WS_1013_TRY_AGAIN_LATER = 1013 +WS_1014_BAD_GATEWAY = 1014 +WS_1015_TLS_HANDSHAKE = 1015 diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/templating.py b/backend/mb-env/lib/python3.9/site-packages/starlette/templating.py new file mode 100644 index 0000000..631b6bf --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/templating.py @@ -0,0 +1,88 @@ +import typing + +from starlette.background import BackgroundTask +from starlette.responses import Response +from starlette.types import Receive, Scope, Send + +try: + import jinja2 +except ImportError: # pragma: nocover + jinja2 = None # type: ignore + + +class _TemplateResponse(Response): + media_type = "text/html" + + def __init__( + self, + template: typing.Any, + context: dict, + status_code: int = 200, + headers: dict = None, + media_type: str = None, + background: BackgroundTask = None, + ): + self.template = template + self.context = context + content = template.render(context) + super().__init__(content, status_code, headers, media_type, background) + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + request = self.context.get("request", {}) + extensions = request.get("extensions", {}) + if "http.response.template" in extensions: + await send( + { + "type": "http.response.template", + "template": self.template, + "context": self.context, + } + ) + await super().__call__(scope, receive, send) + + +class Jinja2Templates: + """ + templates = Jinja2Templates("templates") + + return templates.TemplateResponse("index.html", {"request": request}) + """ + + def __init__(self, directory: str) -> None: + assert jinja2 is not None, "jinja2 must be installed to use Jinja2Templates" + self.env = self.get_env(directory) + + def get_env(self, directory: str) -> "jinja2.Environment": + @jinja2.contextfunction + def url_for(context: dict, name: str, **path_params: typing.Any) -> str: + request = context["request"] + return request.url_for(name, **path_params) + + loader = jinja2.FileSystemLoader(directory) + env = jinja2.Environment(loader=loader, autoescape=True) + env.globals["url_for"] = url_for + return env + + def get_template(self, name: str) -> "jinja2.Template": + return self.env.get_template(name) + + def TemplateResponse( + self, + name: str, + context: dict, + status_code: int = 200, + headers: dict = None, + media_type: str = None, + background: BackgroundTask = None, + ) -> _TemplateResponse: + if "request" not in context: + raise ValueError('context must include a "request" key') + template = self.get_template(name) + return _TemplateResponse( + template, + context, + status_code=status_code, + headers=headers, + media_type=media_type, + background=background, + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/testclient.py b/backend/mb-env/lib/python3.9/site-packages/starlette/testclient.py new file mode 100644 index 0000000..1d5e90d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/testclient.py @@ -0,0 +1,493 @@ +import asyncio +import http +import inspect +import io +import json +import queue +import threading +import types +import typing +from urllib.parse import unquote, urljoin, urlsplit + +import requests + +from starlette.types import Message, Receive, Scope, Send +from starlette.websockets import WebSocketDisconnect + +# Annotations for `Session.request()` +Cookies = typing.Union[ + typing.MutableMapping[str, str], requests.cookies.RequestsCookieJar +] +Params = typing.Union[bytes, typing.MutableMapping[str, str]] +DataType = typing.Union[bytes, typing.MutableMapping[str, str], typing.IO] +TimeOut = typing.Union[float, typing.Tuple[float, float]] +FileType = typing.MutableMapping[str, typing.IO] +AuthType = typing.Union[ + typing.Tuple[str, str], + requests.auth.AuthBase, + typing.Callable[[requests.Request], requests.Request], +] + + +ASGIInstance = typing.Callable[[Receive, Send], typing.Awaitable[None]] +ASGI2App = typing.Callable[[Scope], ASGIInstance] +ASGI3App = typing.Callable[[Scope, Receive, Send], typing.Awaitable[None]] + + +class _HeaderDict(requests.packages.urllib3._collections.HTTPHeaderDict): + def get_all(self, key: str, default: str) -> str: + return self.getheaders(key) + + +class _MockOriginalResponse: + """ + We have to jump through some hoops to present the response as if + it was made using urllib3. + """ + + def __init__(self, headers: typing.List[typing.Tuple[bytes, bytes]]) -> None: + self.msg = _HeaderDict(headers) + self.closed = False + + def isclosed(self) -> bool: + return self.closed + + +class _Upgrade(Exception): + def __init__(self, session: "WebSocketTestSession") -> None: + self.session = session + + +def _get_reason_phrase(status_code: int) -> str: + try: + return http.HTTPStatus(status_code).phrase + except ValueError: + return "" + + +def _is_asgi3(app: typing.Union[ASGI2App, ASGI3App]) -> bool: + if inspect.isclass(app): + return hasattr(app, "__await__") + elif inspect.isfunction(app): + return asyncio.iscoroutinefunction(app) + call = getattr(app, "__call__", None) + return asyncio.iscoroutinefunction(call) + + +class _WrapASGI2: + """ + Provide an ASGI3 interface onto an ASGI2 app. + """ + + def __init__(self, app: ASGI2App) -> None: + self.app = app + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + instance = self.app(scope) + await instance(receive, send) + + +class _ASGIAdapter(requests.adapters.HTTPAdapter): + def __init__( + self, app: ASGI3App, raise_server_exceptions: bool = True, root_path: str = "" + ) -> None: + self.app = app + self.raise_server_exceptions = raise_server_exceptions + self.root_path = root_path + + def send( + self, request: requests.PreparedRequest, *args: typing.Any, **kwargs: typing.Any + ) -> requests.Response: + scheme, netloc, path, query, fragment = ( + str(item) for item in urlsplit(request.url) + ) + + default_port = {"http": 80, "ws": 80, "https": 443, "wss": 443}[scheme] + + if ":" in netloc: + host, port_string = netloc.split(":", 1) + port = int(port_string) + else: + host = netloc + port = default_port + + # Include the 'host' header. + if "host" in request.headers: + headers = [] # type: typing.List[typing.Tuple[bytes, bytes]] + elif port == default_port: + headers = [(b"host", host.encode())] + else: + headers = [(b"host", (f"{host}:{port}").encode())] + + # Include other request headers. + headers += [ + (key.lower().encode(), value.encode()) + for key, value in request.headers.items() + ] + + if scheme in {"ws", "wss"}: + subprotocol = request.headers.get("sec-websocket-protocol", None) + if subprotocol is None: + subprotocols = [] # type: typing.Sequence[str] + else: + subprotocols = [value.strip() for value in subprotocol.split(",")] + scope = { + "type": "websocket", + "path": unquote(path), + "root_path": self.root_path, + "scheme": scheme, + "query_string": query.encode(), + "headers": headers, + "client": ["testclient", 50000], + "server": [host, port], + "subprotocols": subprotocols, + } + session = WebSocketTestSession(self.app, scope) + raise _Upgrade(session) + + scope = { + "type": "http", + "http_version": "1.1", + "method": request.method, + "path": unquote(path), + "root_path": self.root_path, + "scheme": scheme, + "query_string": query.encode(), + "headers": headers, + "client": ["testclient", 50000], + "server": [host, port], + "extensions": {"http.response.template": {}}, + } + + request_complete = False + response_started = False + response_complete = False + raw_kwargs = {"body": io.BytesIO()} # type: typing.Dict[str, typing.Any] + template = None + context = None + + async def receive() -> Message: + nonlocal request_complete, response_complete + + if request_complete: + while not response_complete: + await asyncio.sleep(0.0001) + return {"type": "http.disconnect"} + + body = request.body + if isinstance(body, str): + body_bytes = body.encode("utf-8") # type: bytes + elif body is None: + body_bytes = b"" + elif isinstance(body, types.GeneratorType): + try: + chunk = body.send(None) + if isinstance(chunk, str): + chunk = chunk.encode("utf-8") + return {"type": "http.request", "body": chunk, "more_body": True} + except StopIteration: + request_complete = True + return {"type": "http.request", "body": b""} + else: + body_bytes = body + + request_complete = True + return {"type": "http.request", "body": body_bytes} + + async def send(message: Message) -> None: + nonlocal raw_kwargs, response_started, response_complete, template, context + + if message["type"] == "http.response.start": + assert ( + not response_started + ), 'Received multiple "http.response.start" messages.' + raw_kwargs["version"] = 11 + raw_kwargs["status"] = message["status"] + raw_kwargs["reason"] = _get_reason_phrase(message["status"]) + raw_kwargs["headers"] = [ + (key.decode(), value.decode()) for key, value in message["headers"] + ] + raw_kwargs["preload_content"] = False + raw_kwargs["original_response"] = _MockOriginalResponse( + raw_kwargs["headers"] + ) + response_started = True + elif message["type"] == "http.response.body": + assert ( + response_started + ), 'Received "http.response.body" without "http.response.start".' + assert ( + not response_complete + ), 'Received "http.response.body" after response completed.' + body = message.get("body", b"") + more_body = message.get("more_body", False) + if request.method != "HEAD": + raw_kwargs["body"].write(body) + if not more_body: + raw_kwargs["body"].seek(0) + response_complete = True + elif message["type"] == "http.response.template": + template = message["template"] + context = message["context"] + + try: + loop = asyncio.get_event_loop() + except RuntimeError: + loop = asyncio.new_event_loop() + asyncio.set_event_loop(loop) + + try: + loop.run_until_complete(self.app(scope, receive, send)) + except BaseException as exc: + if self.raise_server_exceptions: + raise exc from None + + if self.raise_server_exceptions: + assert response_started, "TestClient did not receive any response." + elif not response_started: + raw_kwargs = { + "version": 11, + "status": 500, + "reason": "Internal Server Error", + "headers": [], + "preload_content": False, + "original_response": _MockOriginalResponse([]), + "body": io.BytesIO(), + } + + raw = requests.packages.urllib3.HTTPResponse(**raw_kwargs) + response = self.build_response(request, raw) + if template is not None: + response.template = template + response.context = context + return response + + +class WebSocketTestSession: + def __init__(self, app: ASGI3App, scope: Scope) -> None: + self.app = app + self.scope = scope + self.accepted_subprotocol = None + self._receive_queue = queue.Queue() # type: queue.Queue + self._send_queue = queue.Queue() # type: queue.Queue + self._thread = threading.Thread(target=self._run) + self.send({"type": "websocket.connect"}) + self._thread.start() + message = self.receive() + self._raise_on_close(message) + self.accepted_subprotocol = message.get("subprotocol", None) + + def __enter__(self) -> "WebSocketTestSession": + return self + + def __exit__(self, *args: typing.Any) -> None: + self.close(1000) + self._thread.join() + while not self._send_queue.empty(): + message = self._send_queue.get() + if isinstance(message, BaseException): + raise message + + def _run(self) -> None: + """ + The sub-thread in which the websocket session runs. + """ + loop = asyncio.new_event_loop() + scope = self.scope + receive = self._asgi_receive + send = self._asgi_send + try: + loop.run_until_complete(self.app(scope, receive, send)) + except BaseException as exc: + self._send_queue.put(exc) + finally: + loop.close() + + async def _asgi_receive(self) -> Message: + while self._receive_queue.empty(): + await asyncio.sleep(0) + return self._receive_queue.get() + + async def _asgi_send(self, message: Message) -> None: + self._send_queue.put(message) + + def _raise_on_close(self, message: Message) -> None: + if message["type"] == "websocket.close": + raise WebSocketDisconnect(message.get("code", 1000)) + + def send(self, message: Message) -> None: + self._receive_queue.put(message) + + def send_text(self, data: str) -> None: + self.send({"type": "websocket.receive", "text": data}) + + def send_bytes(self, data: bytes) -> None: + self.send({"type": "websocket.receive", "bytes": data}) + + def send_json(self, data: typing.Any, mode: str = "text") -> None: + assert mode in ["text", "binary"] + text = json.dumps(data) + if mode == "text": + self.send({"type": "websocket.receive", "text": text}) + else: + self.send({"type": "websocket.receive", "bytes": text.encode("utf-8")}) + + def close(self, code: int = 1000) -> None: + self.send({"type": "websocket.disconnect", "code": code}) + + def receive(self) -> Message: + message = self._send_queue.get() + if isinstance(message, BaseException): + raise message + return message + + def receive_text(self) -> str: + message = self.receive() + self._raise_on_close(message) + return message["text"] + + def receive_bytes(self) -> bytes: + message = self.receive() + self._raise_on_close(message) + return message["bytes"] + + def receive_json(self, mode: str = "text") -> typing.Any: + assert mode in ["text", "binary"] + message = self.receive() + self._raise_on_close(message) + if mode == "text": + text = message["text"] + else: + text = message["bytes"].decode("utf-8") + return json.loads(text) + + +class TestClient(requests.Session): + __test__ = False # For pytest to not discover this up. + + def __init__( + self, + app: typing.Union[ASGI2App, ASGI3App], + base_url: str = "http://testserver", + raise_server_exceptions: bool = True, + root_path: str = "", + ) -> None: + super(TestClient, self).__init__() + if _is_asgi3(app): + app = typing.cast(ASGI3App, app) + asgi_app = app + else: + app = typing.cast(ASGI2App, app) + asgi_app = _WrapASGI2(app) #  type: ignore + adapter = _ASGIAdapter( + asgi_app, + raise_server_exceptions=raise_server_exceptions, + root_path=root_path, + ) + self.mount("http://", adapter) + self.mount("https://", adapter) + self.mount("ws://", adapter) + self.mount("wss://", adapter) + self.headers.update({"user-agent": "testclient"}) + self.app = asgi_app + self.base_url = base_url + + def request( # type: ignore + self, + method: str, + url: str, + params: Params = None, + data: DataType = None, + headers: typing.MutableMapping[str, str] = None, + cookies: Cookies = None, + files: FileType = None, + auth: AuthType = None, + timeout: TimeOut = None, + allow_redirects: bool = None, + proxies: typing.MutableMapping[str, str] = None, + hooks: typing.Any = None, + stream: bool = None, + verify: typing.Union[bool, str] = None, + cert: typing.Union[str, typing.Tuple[str, str]] = None, + json: typing.Any = None, + ) -> requests.Response: + url = urljoin(self.base_url, url) + return super().request( + method, + url, + params=params, + data=data, + headers=headers, + cookies=cookies, + files=files, + auth=auth, + timeout=timeout, + allow_redirects=allow_redirects, + proxies=proxies, + hooks=hooks, + stream=stream, + verify=verify, + cert=cert, + json=json, + ) + + def websocket_connect( + self, url: str, subprotocols: typing.Sequence[str] = None, **kwargs: typing.Any + ) -> typing.Any: + url = urljoin("ws://testserver", url) + headers = kwargs.get("headers", {}) + headers.setdefault("connection", "upgrade") + headers.setdefault("sec-websocket-key", "testserver==") + headers.setdefault("sec-websocket-version", "13") + if subprotocols is not None: + headers.setdefault("sec-websocket-protocol", ", ".join(subprotocols)) + kwargs["headers"] = headers + try: + super().request("GET", url, **kwargs) + except _Upgrade as exc: + session = exc.session + else: + raise RuntimeError("Expected WebSocket upgrade") # pragma: no cover + + return session + + def __enter__(self) -> "TestClient": + loop = asyncio.get_event_loop() + self.send_queue = asyncio.Queue() # type: asyncio.Queue + self.receive_queue = asyncio.Queue() # type: asyncio.Queue + self.task = loop.create_task(self.lifespan()) + loop.run_until_complete(self.wait_startup()) + return self + + def __exit__(self, *args: typing.Any) -> None: + loop = asyncio.get_event_loop() + loop.run_until_complete(self.wait_shutdown()) + + async def lifespan(self) -> None: + scope = {"type": "lifespan"} + try: + await self.app(scope, self.receive_queue.get, self.send_queue.put) + finally: + await self.send_queue.put(None) + + async def wait_startup(self) -> None: + await self.receive_queue.put({"type": "lifespan.startup"}) + message = await self.send_queue.get() + if message is None: + self.task.result() + assert message["type"] in ( + "lifespan.startup.complete", + "lifespan.startup.failed", + ) + if message["type"] == "lifespan.startup.failed": + message = await self.send_queue.get() + if message is None: + self.task.result() + + async def wait_shutdown(self) -> None: + await self.receive_queue.put({"type": "lifespan.shutdown"}) + message = await self.send_queue.get() + if message is None: + self.task.result() + assert message["type"] == "lifespan.shutdown.complete" + await self.task diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/types.py b/backend/mb-env/lib/python3.9/site-packages/starlette/types.py new file mode 100644 index 0000000..888645c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/types.py @@ -0,0 +1,9 @@ +import typing + +Scope = typing.MutableMapping[str, typing.Any] +Message = typing.MutableMapping[str, typing.Any] + +Receive = typing.Callable[[], typing.Awaitable[Message]] +Send = typing.Callable[[Message], typing.Awaitable[None]] + +ASGIApp = typing.Callable[[Scope, Receive, Send], typing.Awaitable[None]] diff --git a/backend/mb-env/lib/python3.9/site-packages/starlette/websockets.py b/backend/mb-env/lib/python3.9/site-packages/starlette/websockets.py new file mode 100644 index 0000000..b9b8844 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/starlette/websockets.py @@ -0,0 +1,150 @@ +import enum +import json +import typing + +from starlette.requests import HTTPConnection +from starlette.types import Message, Receive, Scope, Send + + +class WebSocketState(enum.Enum): + CONNECTING = 0 + CONNECTED = 1 + DISCONNECTED = 2 + + +class WebSocketDisconnect(Exception): + def __init__(self, code: int = 1000) -> None: + self.code = code + + +class WebSocket(HTTPConnection): + def __init__(self, scope: Scope, receive: Receive, send: Send) -> None: + super().__init__(scope) + assert scope["type"] == "websocket" + self._receive = receive + self._send = send + self.client_state = WebSocketState.CONNECTING + self.application_state = WebSocketState.CONNECTING + + async def receive(self) -> Message: + """ + Receive ASGI websocket messages, ensuring valid state transitions. + """ + if self.client_state == WebSocketState.CONNECTING: + message = await self._receive() + message_type = message["type"] + assert message_type == "websocket.connect" + self.client_state = WebSocketState.CONNECTED + return message + elif self.client_state == WebSocketState.CONNECTED: + message = await self._receive() + message_type = message["type"] + assert message_type in {"websocket.receive", "websocket.disconnect"} + if message_type == "websocket.disconnect": + self.client_state = WebSocketState.DISCONNECTED + return message + else: + raise RuntimeError( + 'Cannot call "receive" once a disconnect message has been received.' + ) + + async def send(self, message: Message) -> None: + """ + Send ASGI websocket messages, ensuring valid state transitions. + """ + if self.application_state == WebSocketState.CONNECTING: + message_type = message["type"] + assert message_type in {"websocket.accept", "websocket.close"} + if message_type == "websocket.close": + self.application_state = WebSocketState.DISCONNECTED + else: + self.application_state = WebSocketState.CONNECTED + await self._send(message) + elif self.application_state == WebSocketState.CONNECTED: + message_type = message["type"] + assert message_type in {"websocket.send", "websocket.close"} + if message_type == "websocket.close": + self.application_state = WebSocketState.DISCONNECTED + await self._send(message) + else: + raise RuntimeError('Cannot call "send" once a close message has been sent.') + + async def accept(self, subprotocol: str = None) -> None: + if self.client_state == WebSocketState.CONNECTING: + # If we haven't yet seen the 'connect' message, then wait for it first. + await self.receive() + await self.send({"type": "websocket.accept", "subprotocol": subprotocol}) + + def _raise_on_disconnect(self, message: Message) -> None: + if message["type"] == "websocket.disconnect": + raise WebSocketDisconnect(message["code"]) + + async def receive_text(self) -> str: + assert self.application_state == WebSocketState.CONNECTED + message = await self.receive() + self._raise_on_disconnect(message) + return message["text"] + + async def receive_bytes(self) -> bytes: + assert self.application_state == WebSocketState.CONNECTED + message = await self.receive() + self._raise_on_disconnect(message) + return message["bytes"] + + async def receive_json(self, mode: str = "text") -> typing.Any: + assert mode in ["text", "binary"] + assert self.application_state == WebSocketState.CONNECTED + message = await self.receive() + self._raise_on_disconnect(message) + + if mode == "text": + text = message["text"] + else: + text = message["bytes"].decode("utf-8") + return json.loads(text) + + async def iter_text(self) -> typing.AsyncIterator[str]: + try: + while True: + yield await self.receive_text() + except WebSocketDisconnect: + pass + + async def iter_bytes(self) -> typing.AsyncIterator[bytes]: + try: + while True: + yield await self.receive_bytes() + except WebSocketDisconnect: + pass + + async def iter_json(self) -> typing.AsyncIterator[typing.Any]: + try: + while True: + yield await self.receive_json() + except WebSocketDisconnect: + pass + + async def send_text(self, data: str) -> None: + await self.send({"type": "websocket.send", "text": data}) + + async def send_bytes(self, data: bytes) -> None: + await self.send({"type": "websocket.send", "bytes": data}) + + async def send_json(self, data: typing.Any, mode: str = "text") -> None: + assert mode in ["text", "binary"] + text = json.dumps(data) + if mode == "text": + await self.send({"type": "websocket.send", "text": text}) + else: + await self.send({"type": "websocket.send", "bytes": text.encode("utf-8")}) + + async def close(self, code: int = 1000) -> None: + await self.send({"type": "websocket.close", "code": code}) + + +class WebSocketClose: + def __init__(self, code: int = 1000) -> None: + self.code = code + + async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None: + await send({"type": "websocket.close", "code": self.code}) diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/__init__.py b/backend/mb-env/lib/python3.9/site-packages/tests/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/conftest.py b/backend/mb-env/lib/python3.9/site-packages/tests/conftest.py new file mode 100644 index 0000000..452e435 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/conftest.py @@ -0,0 +1,46 @@ +from pathlib import Path + +import pytest +import fakeredis.aioredis +from fastapi_mail.email_utils import DefaultChecker + + +@pytest.fixture +def default_checker(): + test = DefaultChecker() + yield test + del test + + +@pytest.fixture +@pytest.mark.asyncio +async def redis_checker(scope="redis_config"): + test = DefaultChecker(db_provider="redis") + test.redis_client = await fakeredis.aioredis.create_redis_pool(encoding="UTF-8") + await test.init_redis() + yield test + await test.redis_client.flushall() + await test.close_connections() + + +@pytest.fixture(autouse=True) +def mail_config(): + home: Path = Path(__file__).parent.parent + html = home / "files" + env = { + "MAIL_USERNAME": "example@test.com", + "MAIL_PASSWORD":"strong", + "MAIL_FROM": "example@test.com", + "MAIL_FROM_NAME": "example", + "MAIL_PORT": 25, + "MAIL_SERVER": "localhost", + "MAIL_TLS": False, + "MAIL_SSL": False, + "MAIL_DEBUG": 0, + "SUPPRESS_SEND": 1, + "USE_CREDENTIALS": False, + "VALIDATE_CERTS": False, + "TEMPLATE_FOLDER": html, + } + + yield env diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/test_checker.py b/backend/mb-env/lib/python3.9/site-packages/tests/test_checker.py new file mode 100644 index 0000000..810bd59 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/test_checker.py @@ -0,0 +1,46 @@ +import pytest +from pydantic import EmailError +from fastapi_mail.email_utils.errors import DBProvaiderError + + +@pytest.mark.asyncio +async def test_default_checker(default_checker): + await default_checker.fetch_temp_email_domains() + assert default_checker.TEMP_EMAIL_DOMAINS != [] + + email = "tural_m@hotmail.com" + domain = email.split("@")[-1] + + assert await default_checker.is_dispasoble(email) is False + assert await default_checker.is_blocked_domain(domain) is False + assert await default_checker.is_blocked_address(email) is False + assert await default_checker.check_mx_record(domain) is True + + with pytest.raises(NotImplementedError): + default_checker.catch_all_check() + + await default_checker.add_temp_domain([domain]) + + assert await default_checker.is_dispasoble(email) is True + assert await default_checker.is_blocked_domain(domain) is False + assert await default_checker.is_blocked_address(email) is False + assert await default_checker.check_mx_record(domain) is True + + await default_checker.blacklist_add_domain(domain) + + assert await default_checker.is_blocked_domain(domain) is True + assert await default_checker.is_blocked_address(email) is False + assert await default_checker.check_mx_record(domain) is True + + await default_checker.blacklist_add_email(email) + + assert await default_checker.is_blocked_address(email) is True + assert await default_checker.check_mx_record(domain) is True + + assert default_checker.validate_email(email) is True + + with pytest.raises(EmailError): + default_checker.validate_email("test#mail.com") + + with pytest.raises(DBProvaiderError): + await default_checker.close_connections() diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/test_connection.py b/backend/mb-env/lib/python3.9/site-packages/tests/test_connection.py new file mode 100644 index 0000000..0f1a375 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/test_connection.py @@ -0,0 +1,141 @@ +import pytest +from fastapi_mail import FastMail, MessageSchema, ConnectionConfig + + +@pytest.mark.asyncio +async def test_connection(mail_config): + message = MessageSchema( + subject="test subject", + recipients=["sabuhi.shukurov@gmail.com"], + body="test", + subtype="plain" + ) + conf = ConnectionConfig(**mail_config) + + fm = FastMail(conf) + + await fm.send_message(message) + + assert message.body == 'test' + assert message.subtype == 'plain' + assert not message.template_body + assert not message.html + + +@pytest.mark.asyncio +async def test_html_message(mail_config): + sender = f"{mail_config['MAIL_FROM_NAME']} <{mail_config['MAIL_FROM']}>" + subject = 'testing' + to = "to@example.com" + msg = MessageSchema(subject=subject, + recipients=[to], + html="html test") + conf = ConnectionConfig(**mail_config) + fm = FastMail(conf) + + with fm.record_messages() as outbox: + await fm.send_message(message=msg) + + assert len(outbox) == 1 + mail = outbox[0] + assert mail['To'] == to + assert mail['From'] == sender + assert mail['Subject'] == subject + assert not msg.subtype + assert msg.html == 'html test' + + +@pytest.mark.asyncio +async def test_jinja_message(mail_config): + sender = f"{mail_config['MAIL_FROM_NAME']} <{mail_config['MAIL_FROM']}>" + subject = 'testing' + to = "to@example.com" + persons = [ + {"name": "Andrej"}, + {"name": "Mark"}, + {"name": "Thomas"}, + {"name": "Lucy", }, + {"name": "Robert"}, + {"name": "Dragomir"} + ] + msg = MessageSchema(subject=subject, + recipients=[to], + template_body=persons) + conf = ConnectionConfig(**mail_config) + fm = FastMail(conf) + + with fm.record_messages() as outbox: + await fm.send_message(message=msg, template_name='email.html') + + assert len(outbox) == 1 + mail = outbox[0] + assert mail['To'] == to + assert mail['From'] == sender + assert mail['Subject'] == subject + assert msg.subtype == 'html' + assert msg.template_body == '\n

    \n \n Andrej\n\n Mark\n\n Thomas\n\n Lucy\n\n Robert\n\n Dragomir\n\n

    \n' + + +@pytest.mark.asyncio +async def test_send_msg(mail_config): + msg = MessageSchema(subject="testing", + recipients=["to@example.com"], + body="html test") + + sender = f"{mail_config['MAIL_FROM_NAME']} <{mail_config['MAIL_FROM']}>" + conf = ConnectionConfig(**mail_config) + fm = FastMail(conf) + fm.config.SUPPRESS_SEND = 1 + with fm.record_messages() as outbox: + await fm.send_message(message=msg) + + assert len(outbox) == 1 + assert outbox[0]["subject"] == "testing" + assert outbox[0]["from"] == sender + assert outbox[0]["To"] == "to@example.com" + + +@pytest.mark.asyncio +async def test_send_msg_with_subtype(mail_config): + msg = MessageSchema(subject="testing", + recipients=["to@example.com"], + body="

    ", + subtype='html') + + sender = f"{mail_config['MAIL_FROM_NAME']} <{mail_config['MAIL_FROM']}>" + conf = ConnectionConfig(**mail_config) + fm = FastMail(conf) + fm.config.SUPPRESS_SEND = 1 + with fm.record_messages() as outbox: + await fm.send_message(message=msg) + + assert len(outbox) == 1 + assert outbox[0]["subject"] == "testing" + assert outbox[0]["from"] == sender + assert outbox[0]["To"] == "to@example.com" + assert msg.body == "

    " + assert msg.subtype == 'html' + + +@pytest.mark.asyncio +async def test_jinja_message_with_html(mail_config): + persons = [ + {"name": "Andrej"}, + {"name": "Mark"}, + {"name": "Thomas"}, + {"name": "Lucy", }, + {"name": "Robert"}, + {"name": "Dragomir"} + ] + + msg = MessageSchema(subject="testing", + recipients=["to@example.com"], + template_body=persons, + html='test html') + conf = ConnectionConfig(**mail_config) + fm = FastMail(conf) + + with pytest.raises(ValueError): + await fm.send_message(message=msg, template_name="email.html") + assert msg.template_body == persons + assert not msg.body diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/test_fastapi_mail.py b/backend/mb-env/lib/python3.9/site-packages/tests/test_fastapi_mail.py new file mode 100644 index 0000000..bd2d283 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/test_fastapi_mail.py @@ -0,0 +1,13 @@ +from fastapi_mail.config import ConnectionConfig + + +def test_configuration(mail_config): + conf = ConnectionConfig(**mail_config) + assert conf.MAIL_USERNAME == "example@test.com" + assert conf.MAIL_PORT == 25 + + + + + + diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/test_message.py b/backend/mb-env/lib/python3.9/site-packages/tests/test_message.py new file mode 100644 index 0000000..f34a1cc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/test_message.py @@ -0,0 +1,163 @@ +import pytest +from fastapi_mail import FastMail +from fastapi_mail.schemas import MessageSchema, MultipartSubtypeEnum +from fastapi_mail.msg import MailMsg +import os + +CONTENT = "file test content" + + +def test_initialize(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + assert message.subject == "test subject" + + +def test_recipients_properly_initialized(): + message = MessageSchema( + subject="test subject", + recipients=[], + body="test", + subtype="plain" + ) + + assert message.recipients == [] + + +def test_sendto_properly_set(): + msg = MessageSchema(subject="subject", recipients=["somebody@here.com", "somebody2@here.com"], + cc=["cc@example.com"], bcc=["bcc@example.com"], reply_to=["replyto@example.com"]) + + assert len(msg.recipients) == 2 + assert len(msg.cc) == 1 + assert len(msg.bcc) == 1 + assert len(msg.reply_to) == 1 + + + + +def test_plain_message(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + assert message.body == "test" + + + +def test_charset(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + assert message.charset == "utf-8" + +def test_message_str(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + assert type(message.body) == str + + +def test_plain_message_with_attachments(): + directory = os.getcwd() + attachement = directory + "/files/attachement.txt" + + msg = MessageSchema(subject="testing", + recipients=["to@example.com"], + attachments=[attachement], + body="test mail body") + + with open(attachement, "w") as file: + file.write(CONTENT) + + assert len(msg.attachments) == 1 + + + + +def test_empty_subject_header(): + message = MessageSchema( + subject="", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + assert len(message.subject) == 0 + + +def test_bcc(): + msg = MessageSchema(subject="subject", recipients=[], + bcc=["bcc@example.com"]) + + assert len(msg.bcc) == 1 + assert msg.bcc == ["bcc@example.com"] + +def test_replyto(): + msg = MessageSchema(subject="subject", recipients=[], + reply_to=["replyto@example.com"]) + + assert len(msg.reply_to) == 1 + assert msg.reply_to == ["replyto@example.com"] + +def test_cc(): + msg = MessageSchema(subject="subject", recipients=[], + cc=["cc@example.com"]) + + assert len(msg.cc) == 1 + assert msg.cc == ["cc@example.com"] + + +def test_multipart_subtype(): + message = MessageSchema( + subject="test subject", + recipients=["to@example.com"], + body="test", + subtype="plain" + ) + assert message.multipart_subtype == MultipartSubtypeEnum.mixed + + +@pytest.mark.asyncio +async def test_msgid_header(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + msg = MailMsg(**message.dict()) + msg_object = await msg._message('test@example.com') + assert msg_object['Message-ID'] is not None + + +@pytest.mark.asyncio +async def test_message_charset(): + message = MessageSchema( + subject="test subject", + recipients=["uzezio22@gmail.com"], + body="test", + subtype="plain" + ) + + msg = MailMsg(**message.dict()) + msg_object = await msg._message('test@example.com') + assert msg_object._charset is not None + assert msg_object._charset == "utf-8" diff --git a/backend/mb-env/lib/python3.9/site-packages/tests/test_redis_config.py b/backend/mb-env/lib/python3.9/site-packages/tests/test_redis_config.py new file mode 100644 index 0000000..251ebb6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/tests/test_redis_config.py @@ -0,0 +1,34 @@ +import pytest + + +@pytest.mark.asyncio +async def test_redis_checker(redis_checker): + + redis_checker.TEMP_EMAIL_DOMAINS = [] + redis_checker.BLOCKED_ADDRESSES = {} + redis_checker.BLOCKED_DOMAINS = {} + email = "test_me@hotmail.com" + domain = email.split("@")[-1] + + assert await redis_checker.is_dispasoble(email) is False + assert await redis_checker.is_blocked_domain(domain) is False + assert await redis_checker.is_blocked_address(email) is False + assert await redis_checker.check_mx_record(domain) is True + + await redis_checker.add_temp_domain([domain]) + + assert await redis_checker.is_dispasoble(email) is True + assert await redis_checker.is_blocked_domain(domain) is False + assert await redis_checker.is_blocked_address(email) is False + assert await redis_checker.check_mx_record(domain) is True + + await redis_checker.blacklist_add_domain(domain) + + assert await redis_checker.is_blocked_domain(domain) is True + assert await redis_checker.is_blocked_address(email) is False + assert await redis_checker.check_mx_record(domain) is True + + await redis_checker.blacklist_add_email(email) + + assert await redis_checker.is_blocked_address(email) is True + assert await redis_checker.check_mx_record(domain) is True diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/LICENSE new file mode 100644 index 0000000..5010e30 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/LICENSE @@ -0,0 +1,27 @@ +The MIT License + +Copyright 2013-2019 William Pearson +Copyright 2015-2016 Julien Enselme +Copyright 2016 Google Inc. +Copyright 2017 Samuel Vasko +Copyright 2017 Nate Prewitt +Copyright 2017 Jack Evans +Copyright 2019 Filippo Broggini + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/METADATA new file mode 100644 index 0000000..6f2635c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/METADATA @@ -0,0 +1,255 @@ +Metadata-Version: 2.1 +Name: toml +Version: 0.10.2 +Summary: Python Library for Tom's Obvious, Minimal Language +Home-page: https://github.com/uiri/toml +Author: William Pearson +Author-email: uiri@xqz.ca +License: MIT +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: MIT License +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.6 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Requires-Python: >=2.6, !=3.0.*, !=3.1.*, !=3.2.* + +**** +TOML +**** + +.. image:: https://img.shields.io/pypi/v/toml + :target: https://pypi.org/project/toml/ + +.. image:: https://travis-ci.org/uiri/toml.svg?branch=master + :target: https://travis-ci.org/uiri/toml + +.. image:: https://img.shields.io/pypi/pyversions/toml.svg + :target: https://pypi.org/project/toml/ + + +A Python library for parsing and creating `TOML `_. + +The module passes `the TOML test suite `_. + +See also: + +* `The TOML Standard `_ +* `The currently supported TOML specification `_ + +Installation +============ + +To install the latest release on `PyPI `_, +simply run: + +:: + + pip install toml + +Or to install the latest development version, run: + +:: + + git clone https://github.com/uiri/toml.git + cd toml + python setup.py install + +Quick Tutorial +============== + +*toml.loads* takes in a string containing standard TOML-formatted data and +returns a dictionary containing the parsed data. + +.. code:: pycon + + >>> import toml + >>> toml_string = """ + ... # This is a TOML document. + ... + ... title = "TOML Example" + ... + ... [owner] + ... name = "Tom Preston-Werner" + ... dob = 1979-05-27T07:32:00-08:00 # First class dates + ... + ... [database] + ... server = "192.168.1.1" + ... ports = [ 8001, 8001, 8002 ] + ... connection_max = 5000 + ... enabled = true + ... + ... [servers] + ... + ... # Indentation (tabs and/or spaces) is allowed but not required + ... [servers.alpha] + ... ip = "10.0.0.1" + ... dc = "eqdc10" + ... + ... [servers.beta] + ... ip = "10.0.0.2" + ... dc = "eqdc10" + ... + ... [clients] + ... data = [ ["gamma", "delta"], [1, 2] ] + ... + ... # Line breaks are OK when inside arrays + ... hosts = [ + ... "alpha", + ... "omega" + ... ] + ... """ + >>> parsed_toml = toml.loads(toml_string) + + +*toml.dumps* takes a dictionary and returns a string containing the +corresponding TOML-formatted data. + +.. code:: pycon + + >>> new_toml_string = toml.dumps(parsed_toml) + >>> print(new_toml_string) + title = "TOML Example" + [owner] + name = "Tom Preston-Werner" + dob = 1979-05-27T07:32:00Z + [database] + server = "192.168.1.1" + ports = [ 8001, 8001, 8002,] + connection_max = 5000 + enabled = true + [clients] + data = [ [ "gamma", "delta",], [ 1, 2,],] + hosts = [ "alpha", "omega",] + [servers.alpha] + ip = "10.0.0.1" + dc = "eqdc10" + [servers.beta] + ip = "10.0.0.2" + dc = "eqdc10" + +*toml.dump* takes a dictionary and a file descriptor and returns a string containing the +corresponding TOML-formatted data. + +.. code:: pycon + + >>> with open('new_toml_file.toml', 'w') as f: + ... new_toml_string = toml.dump(parsed_toml, f) + >>> print(new_toml_string) + title = "TOML Example" + [owner] + name = "Tom Preston-Werner" + dob = 1979-05-27T07:32:00Z + [database] + server = "192.168.1.1" + ports = [ 8001, 8001, 8002,] + connection_max = 5000 + enabled = true + [clients] + data = [ [ "gamma", "delta",], [ 1, 2,],] + hosts = [ "alpha", "omega",] + [servers.alpha] + ip = "10.0.0.1" + dc = "eqdc10" + [servers.beta] + ip = "10.0.0.2" + dc = "eqdc10" + +For more functions, view the API Reference below. + +Note +---- + +For Numpy users, by default the data types ``np.floatX`` will not be translated to floats by toml, but will instead be encoded as strings. To get around this, specify the ``TomlNumpyEncoder`` when saving your data. + +.. code:: pycon + + >>> import toml + >>> import numpy as np + >>> a = np.arange(0, 10, dtype=np.double) + >>> output = {'a': a} + >>> toml.dumps(output) + 'a = [ "0.0", "1.0", "2.0", "3.0", "4.0", "5.0", "6.0", "7.0", "8.0", "9.0",]\n' + >>> toml.dumps(output, encoder=toml.TomlNumpyEncoder()) + 'a = [ 0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0,]\n' + +API Reference +============= + +``toml.load(f, _dict=dict)`` + Parse a file or a list of files as TOML and return a dictionary. + + :Args: + * ``f``: A path to a file, list of filepaths (to be read into single + object) or a file descriptor + * ``_dict``: The class of the dictionary object to be returned + + :Returns: + A dictionary (or object ``_dict``) containing parsed TOML data + + :Raises: + * ``TypeError``: When ``f`` is an invalid type or is a list containing + invalid types + * ``TomlDecodeError``: When an error occurs while decoding the file(s) + +``toml.loads(s, _dict=dict)`` + Parse a TOML-formatted string to a dictionary. + + :Args: + * ``s``: The TOML-formatted string to be parsed + * ``_dict``: Specifies the class of the returned toml dictionary + + :Returns: + A dictionary (or object ``_dict``) containing parsed TOML data + + :Raises: + * ``TypeError``: When a non-string object is passed + * ``TomlDecodeError``: When an error occurs while decoding the + TOML-formatted string + +``toml.dump(o, f, encoder=None)`` + Write a dictionary to a file containing TOML-formatted data + + :Args: + * ``o``: An object to be converted into TOML + * ``f``: A File descriptor where the TOML-formatted output should be stored + * ``encoder``: An instance of ``TomlEncoder`` (or subclass) for encoding the object. If ``None``, will default to ``TomlEncoder`` + + :Returns: + A string containing the TOML-formatted data corresponding to object ``o`` + + :Raises: + * ``TypeError``: When anything other than file descriptor is passed + +``toml.dumps(o, encoder=None)`` + Create a TOML-formatted string from an input object + + :Args: + * ``o``: An object to be converted into TOML + * ``encoder``: An instance of ``TomlEncoder`` (or subclass) for encoding the object. If ``None``, will default to ``TomlEncoder`` + + :Returns: + A string containing the TOML-formatted data corresponding to object ``o`` + + + +Licensing +========= + +This project is released under the terms of the MIT Open Source License. View +*LICENSE.txt* for more information. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/RECORD new file mode 100644 index 0000000..cc46749 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/RECORD @@ -0,0 +1,17 @@ +toml-0.10.2.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +toml-0.10.2.dist-info/LICENSE,sha256=LZKUgj32yJNXyL5JJ_znk2HWVh5e51MtWSbmOTmqpTY,1252 +toml-0.10.2.dist-info/METADATA,sha256=n_YkspvEihd_QXLIZZ50WVSFz3rZ_k7jQP-OU1WUpWY,7142 +toml-0.10.2.dist-info/RECORD,, +toml-0.10.2.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +toml-0.10.2.dist-info/WHEEL,sha256=ADKeyaGyKF5DwBNE0sRE5pvW-bSkFMJfBuhzZ3rceP4,110 +toml-0.10.2.dist-info/top_level.txt,sha256=2BO8ZRNnvJWgXyiQv66LBb_v87qBzcoUtEBefA75Ouk,5 +toml/__init__.py,sha256=Au3kqCwKD0cjbf4yJGOpUFwpsY0WHsC1ZRGvWgIKmpc,723 +toml/__pycache__/__init__.cpython-39.pyc,, +toml/__pycache__/decoder.cpython-39.pyc,, +toml/__pycache__/encoder.cpython-39.pyc,, +toml/__pycache__/ordered.cpython-39.pyc,, +toml/__pycache__/tz.cpython-39.pyc,, +toml/decoder.py,sha256=hSGTLf-2WBDZ_ddoCHWFy6N647XyMSh1o3rN2o4dEFg,38942 +toml/encoder.py,sha256=XjBc8ayvvlsLyd_qDA4tMWDNmMFRS4DpwtuDSWBq7zo,9940 +toml/ordered.py,sha256=mz03lZmV0bmc9lsYRIUOuj7Dsu5Ptwq-UtGVq5FdVZ4,354 +toml/tz.py,sha256=-5vg8wkg_atnVi2TnEveexIVE7T_FxBVr_-2WVfO1oA,701 diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/WHEEL new file mode 100644 index 0000000..6d38aa0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/WHEEL @@ -0,0 +1,6 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: true +Tag: py2-none-any +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/top_level.txt new file mode 100644 index 0000000..bd79a65 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml-0.10.2.dist-info/top_level.txt @@ -0,0 +1 @@ +toml diff --git a/backend/mb-env/lib/python3.9/site-packages/toml/__init__.py b/backend/mb-env/lib/python3.9/site-packages/toml/__init__.py new file mode 100644 index 0000000..7719ac2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml/__init__.py @@ -0,0 +1,25 @@ +"""Python module which parses and emits TOML. + +Released under the MIT license. +""" + +from toml import encoder +from toml import decoder + +__version__ = "0.10.2" +_spec_ = "0.5.0" + +load = decoder.load +loads = decoder.loads +TomlDecoder = decoder.TomlDecoder +TomlDecodeError = decoder.TomlDecodeError +TomlPreserveCommentDecoder = decoder.TomlPreserveCommentDecoder + +dump = encoder.dump +dumps = encoder.dumps +TomlEncoder = encoder.TomlEncoder +TomlArraySeparatorEncoder = encoder.TomlArraySeparatorEncoder +TomlPreserveInlineDictEncoder = encoder.TomlPreserveInlineDictEncoder +TomlNumpyEncoder = encoder.TomlNumpyEncoder +TomlPreserveCommentEncoder = encoder.TomlPreserveCommentEncoder +TomlPathlibEncoder = encoder.TomlPathlibEncoder diff --git a/backend/mb-env/lib/python3.9/site-packages/toml/decoder.py b/backend/mb-env/lib/python3.9/site-packages/toml/decoder.py new file mode 100644 index 0000000..bf400e9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml/decoder.py @@ -0,0 +1,1057 @@ +import datetime +import io +from os import linesep +import re +import sys + +from toml.tz import TomlTz + +if sys.version_info < (3,): + _range = xrange # noqa: F821 +else: + unicode = str + _range = range + basestring = str + unichr = chr + + +def _detect_pathlib_path(p): + if (3, 4) <= sys.version_info: + import pathlib + if isinstance(p, pathlib.PurePath): + return True + return False + + +def _ispath(p): + if isinstance(p, (bytes, basestring)): + return True + return _detect_pathlib_path(p) + + +def _getpath(p): + if (3, 6) <= sys.version_info: + import os + return os.fspath(p) + if _detect_pathlib_path(p): + return str(p) + return p + + +try: + FNFError = FileNotFoundError +except NameError: + FNFError = IOError + + +TIME_RE = re.compile(r"([0-9]{2}):([0-9]{2}):([0-9]{2})(\.([0-9]{3,6}))?") + + +class TomlDecodeError(ValueError): + """Base toml Exception / Error.""" + + def __init__(self, msg, doc, pos): + lineno = doc.count('\n', 0, pos) + 1 + colno = pos - doc.rfind('\n', 0, pos) + emsg = '{} (line {} column {} char {})'.format(msg, lineno, colno, pos) + ValueError.__init__(self, emsg) + self.msg = msg + self.doc = doc + self.pos = pos + self.lineno = lineno + self.colno = colno + + +# Matches a TOML number, which allows underscores for readability +_number_with_underscores = re.compile('([0-9])(_([0-9]))*') + + +class CommentValue(object): + def __init__(self, val, comment, beginline, _dict): + self.val = val + separator = "\n" if beginline else " " + self.comment = separator + comment + self._dict = _dict + + def __getitem__(self, key): + return self.val[key] + + def __setitem__(self, key, value): + self.val[key] = value + + def dump(self, dump_value_func): + retstr = dump_value_func(self.val) + if isinstance(self.val, self._dict): + return self.comment + "\n" + unicode(retstr) + else: + return unicode(retstr) + self.comment + + +def _strictly_valid_num(n): + n = n.strip() + if not n: + return False + if n[0] == '_': + return False + if n[-1] == '_': + return False + if "_." in n or "._" in n: + return False + if len(n) == 1: + return True + if n[0] == '0' and n[1] not in ['.', 'o', 'b', 'x']: + return False + if n[0] == '+' or n[0] == '-': + n = n[1:] + if len(n) > 1 and n[0] == '0' and n[1] != '.': + return False + if '__' in n: + return False + return True + + +def load(f, _dict=dict, decoder=None): + """Parses named file or files as toml and returns a dictionary + + Args: + f: Path to the file to open, array of files to read into single dict + or a file descriptor + _dict: (optional) Specifies the class of the returned toml dictionary + decoder: The decoder to use + + Returns: + Parsed toml file represented as a dictionary + + Raises: + TypeError -- When f is invalid type + TomlDecodeError: Error while decoding toml + IOError / FileNotFoundError -- When an array with no valid (existing) + (Python 2 / Python 3) file paths is passed + """ + + if _ispath(f): + with io.open(_getpath(f), encoding='utf-8') as ffile: + return loads(ffile.read(), _dict, decoder) + elif isinstance(f, list): + from os import path as op + from warnings import warn + if not [path for path in f if op.exists(path)]: + error_msg = "Load expects a list to contain filenames only." + error_msg += linesep + error_msg += ("The list needs to contain the path of at least one " + "existing file.") + raise FNFError(error_msg) + if decoder is None: + decoder = TomlDecoder(_dict) + d = decoder.get_empty_table() + for l in f: # noqa: E741 + if op.exists(l): + d.update(load(l, _dict, decoder)) + else: + warn("Non-existent filename in list with at least one valid " + "filename") + return d + else: + try: + return loads(f.read(), _dict, decoder) + except AttributeError: + raise TypeError("You can only load a file descriptor, filename or " + "list") + + +_groupname_re = re.compile(r'^[A-Za-z0-9_-]+$') + + +def loads(s, _dict=dict, decoder=None): + """Parses string as toml + + Args: + s: String to be parsed + _dict: (optional) Specifies the class of the returned toml dictionary + + Returns: + Parsed toml file represented as a dictionary + + Raises: + TypeError: When a non-string is passed + TomlDecodeError: Error while decoding toml + """ + + implicitgroups = [] + if decoder is None: + decoder = TomlDecoder(_dict) + retval = decoder.get_empty_table() + currentlevel = retval + if not isinstance(s, basestring): + raise TypeError("Expecting something like a string") + + if not isinstance(s, unicode): + s = s.decode('utf8') + + original = s + sl = list(s) + openarr = 0 + openstring = False + openstrchar = "" + multilinestr = False + arrayoftables = False + beginline = True + keygroup = False + dottedkey = False + keyname = 0 + key = '' + prev_key = '' + line_no = 1 + + for i, item in enumerate(sl): + if item == '\r' and sl[i + 1] == '\n': + sl[i] = ' ' + continue + if keyname: + key += item + if item == '\n': + raise TomlDecodeError("Key name found without value." + " Reached end of line.", original, i) + if openstring: + if item == openstrchar: + oddbackslash = False + k = 1 + while i >= k and sl[i - k] == '\\': + oddbackslash = not oddbackslash + k += 1 + if not oddbackslash: + keyname = 2 + openstring = False + openstrchar = "" + continue + elif keyname == 1: + if item.isspace(): + keyname = 2 + continue + elif item == '.': + dottedkey = True + continue + elif item.isalnum() or item == '_' or item == '-': + continue + elif (dottedkey and sl[i - 1] == '.' and + (item == '"' or item == "'")): + openstring = True + openstrchar = item + continue + elif keyname == 2: + if item.isspace(): + if dottedkey: + nextitem = sl[i + 1] + if not nextitem.isspace() and nextitem != '.': + keyname = 1 + continue + if item == '.': + dottedkey = True + nextitem = sl[i + 1] + if not nextitem.isspace() and nextitem != '.': + keyname = 1 + continue + if item == '=': + keyname = 0 + prev_key = key[:-1].rstrip() + key = '' + dottedkey = False + else: + raise TomlDecodeError("Found invalid character in key name: '" + + item + "'. Try quoting the key name.", + original, i) + if item == "'" and openstrchar != '"': + k = 1 + try: + while sl[i - k] == "'": + k += 1 + if k == 3: + break + except IndexError: + pass + if k == 3: + multilinestr = not multilinestr + openstring = multilinestr + else: + openstring = not openstring + if openstring: + openstrchar = "'" + else: + openstrchar = "" + if item == '"' and openstrchar != "'": + oddbackslash = False + k = 1 + tripquote = False + try: + while sl[i - k] == '"': + k += 1 + if k == 3: + tripquote = True + break + if k == 1 or (k == 3 and tripquote): + while sl[i - k] == '\\': + oddbackslash = not oddbackslash + k += 1 + except IndexError: + pass + if not oddbackslash: + if tripquote: + multilinestr = not multilinestr + openstring = multilinestr + else: + openstring = not openstring + if openstring: + openstrchar = '"' + else: + openstrchar = "" + if item == '#' and (not openstring and not keygroup and + not arrayoftables): + j = i + comment = "" + try: + while sl[j] != '\n': + comment += s[j] + sl[j] = ' ' + j += 1 + except IndexError: + break + if not openarr: + decoder.preserve_comment(line_no, prev_key, comment, beginline) + if item == '[' and (not openstring and not keygroup and + not arrayoftables): + if beginline: + if len(sl) > i + 1 and sl[i + 1] == '[': + arrayoftables = True + else: + keygroup = True + else: + openarr += 1 + if item == ']' and not openstring: + if keygroup: + keygroup = False + elif arrayoftables: + if sl[i - 1] == ']': + arrayoftables = False + else: + openarr -= 1 + if item == '\n': + if openstring or multilinestr: + if not multilinestr: + raise TomlDecodeError("Unbalanced quotes", original, i) + if ((sl[i - 1] == "'" or sl[i - 1] == '"') and ( + sl[i - 2] == sl[i - 1])): + sl[i] = sl[i - 1] + if sl[i - 3] == sl[i - 1]: + sl[i - 3] = ' ' + elif openarr: + sl[i] = ' ' + else: + beginline = True + line_no += 1 + elif beginline and sl[i] != ' ' and sl[i] != '\t': + beginline = False + if not keygroup and not arrayoftables: + if sl[i] == '=': + raise TomlDecodeError("Found empty keyname. ", original, i) + keyname = 1 + key += item + if keyname: + raise TomlDecodeError("Key name found without value." + " Reached end of file.", original, len(s)) + if openstring: # reached EOF and have an unterminated string + raise TomlDecodeError("Unterminated string found." + " Reached end of file.", original, len(s)) + s = ''.join(sl) + s = s.split('\n') + multikey = None + multilinestr = "" + multibackslash = False + pos = 0 + for idx, line in enumerate(s): + if idx > 0: + pos += len(s[idx - 1]) + 1 + + decoder.embed_comments(idx, currentlevel) + + if not multilinestr or multibackslash or '\n' not in multilinestr: + line = line.strip() + if line == "" and (not multikey or multibackslash): + continue + if multikey: + if multibackslash: + multilinestr += line + else: + multilinestr += line + multibackslash = False + closed = False + if multilinestr[0] == '[': + closed = line[-1] == ']' + elif len(line) > 2: + closed = (line[-1] == multilinestr[0] and + line[-2] == multilinestr[0] and + line[-3] == multilinestr[0]) + if closed: + try: + value, vtype = decoder.load_value(multilinestr) + except ValueError as err: + raise TomlDecodeError(str(err), original, pos) + currentlevel[multikey] = value + multikey = None + multilinestr = "" + else: + k = len(multilinestr) - 1 + while k > -1 and multilinestr[k] == '\\': + multibackslash = not multibackslash + k -= 1 + if multibackslash: + multilinestr = multilinestr[:-1] + else: + multilinestr += "\n" + continue + if line[0] == '[': + arrayoftables = False + if len(line) == 1: + raise TomlDecodeError("Opening key group bracket on line by " + "itself.", original, pos) + if line[1] == '[': + arrayoftables = True + line = line[2:] + splitstr = ']]' + else: + line = line[1:] + splitstr = ']' + i = 1 + quotesplits = decoder._get_split_on_quotes(line) + quoted = False + for quotesplit in quotesplits: + if not quoted and splitstr in quotesplit: + break + i += quotesplit.count(splitstr) + quoted = not quoted + line = line.split(splitstr, i) + if len(line) < i + 1 or line[-1].strip() != "": + raise TomlDecodeError("Key group not on a line by itself.", + original, pos) + groups = splitstr.join(line[:-1]).split('.') + i = 0 + while i < len(groups): + groups[i] = groups[i].strip() + if len(groups[i]) > 0 and (groups[i][0] == '"' or + groups[i][0] == "'"): + groupstr = groups[i] + j = i + 1 + while ((not groupstr[0] == groupstr[-1]) or + len(groupstr) == 1): + j += 1 + if j > len(groups) + 2: + raise TomlDecodeError("Invalid group name '" + + groupstr + "' Something " + + "went wrong.", original, pos) + groupstr = '.'.join(groups[i:j]).strip() + groups[i] = groupstr[1:-1] + groups[i + 1:j] = [] + else: + if not _groupname_re.match(groups[i]): + raise TomlDecodeError("Invalid group name '" + + groups[i] + "'. Try quoting it.", + original, pos) + i += 1 + currentlevel = retval + for i in _range(len(groups)): + group = groups[i] + if group == "": + raise TomlDecodeError("Can't have a keygroup with an empty " + "name", original, pos) + try: + currentlevel[group] + if i == len(groups) - 1: + if group in implicitgroups: + implicitgroups.remove(group) + if arrayoftables: + raise TomlDecodeError("An implicitly defined " + "table can't be an array", + original, pos) + elif arrayoftables: + currentlevel[group].append(decoder.get_empty_table() + ) + else: + raise TomlDecodeError("What? " + group + + " already exists?" + + str(currentlevel), + original, pos) + except TypeError: + currentlevel = currentlevel[-1] + if group not in currentlevel: + currentlevel[group] = decoder.get_empty_table() + if i == len(groups) - 1 and arrayoftables: + currentlevel[group] = [decoder.get_empty_table()] + except KeyError: + if i != len(groups) - 1: + implicitgroups.append(group) + currentlevel[group] = decoder.get_empty_table() + if i == len(groups) - 1 and arrayoftables: + currentlevel[group] = [decoder.get_empty_table()] + currentlevel = currentlevel[group] + if arrayoftables: + try: + currentlevel = currentlevel[-1] + except KeyError: + pass + elif line[0] == "{": + if line[-1] != "}": + raise TomlDecodeError("Line breaks are not allowed in inline" + "objects", original, pos) + try: + decoder.load_inline_object(line, currentlevel, multikey, + multibackslash) + except ValueError as err: + raise TomlDecodeError(str(err), original, pos) + elif "=" in line: + try: + ret = decoder.load_line(line, currentlevel, multikey, + multibackslash) + except ValueError as err: + raise TomlDecodeError(str(err), original, pos) + if ret is not None: + multikey, multilinestr, multibackslash = ret + return retval + + +def _load_date(val): + microsecond = 0 + tz = None + try: + if len(val) > 19: + if val[19] == '.': + if val[-1].upper() == 'Z': + subsecondval = val[20:-1] + tzval = "Z" + else: + subsecondvalandtz = val[20:] + if '+' in subsecondvalandtz: + splitpoint = subsecondvalandtz.index('+') + subsecondval = subsecondvalandtz[:splitpoint] + tzval = subsecondvalandtz[splitpoint:] + elif '-' in subsecondvalandtz: + splitpoint = subsecondvalandtz.index('-') + subsecondval = subsecondvalandtz[:splitpoint] + tzval = subsecondvalandtz[splitpoint:] + else: + tzval = None + subsecondval = subsecondvalandtz + if tzval is not None: + tz = TomlTz(tzval) + microsecond = int(int(subsecondval) * + (10 ** (6 - len(subsecondval)))) + else: + tz = TomlTz(val[19:]) + except ValueError: + tz = None + if "-" not in val[1:]: + return None + try: + if len(val) == 10: + d = datetime.date( + int(val[:4]), int(val[5:7]), + int(val[8:10])) + else: + d = datetime.datetime( + int(val[:4]), int(val[5:7]), + int(val[8:10]), int(val[11:13]), + int(val[14:16]), int(val[17:19]), microsecond, tz) + except ValueError: + return None + return d + + +def _load_unicode_escapes(v, hexbytes, prefix): + skip = False + i = len(v) - 1 + while i > -1 and v[i] == '\\': + skip = not skip + i -= 1 + for hx in hexbytes: + if skip: + skip = False + i = len(hx) - 1 + while i > -1 and hx[i] == '\\': + skip = not skip + i -= 1 + v += prefix + v += hx + continue + hxb = "" + i = 0 + hxblen = 4 + if prefix == "\\U": + hxblen = 8 + hxb = ''.join(hx[i:i + hxblen]).lower() + if hxb.strip('0123456789abcdef'): + raise ValueError("Invalid escape sequence: " + hxb) + if hxb[0] == "d" and hxb[1].strip('01234567'): + raise ValueError("Invalid escape sequence: " + hxb + + ". Only scalar unicode points are allowed.") + v += unichr(int(hxb, 16)) + v += unicode(hx[len(hxb):]) + return v + + +# Unescape TOML string values. + +# content after the \ +_escapes = ['0', 'b', 'f', 'n', 'r', 't', '"'] +# What it should be replaced by +_escapedchars = ['\0', '\b', '\f', '\n', '\r', '\t', '\"'] +# Used for substitution +_escape_to_escapedchars = dict(zip(_escapes, _escapedchars)) + + +def _unescape(v): + """Unescape characters in a TOML string.""" + i = 0 + backslash = False + while i < len(v): + if backslash: + backslash = False + if v[i] in _escapes: + v = v[:i - 1] + _escape_to_escapedchars[v[i]] + v[i + 1:] + elif v[i] == '\\': + v = v[:i - 1] + v[i:] + elif v[i] == 'u' or v[i] == 'U': + i += 1 + else: + raise ValueError("Reserved escape sequence used") + continue + elif v[i] == '\\': + backslash = True + i += 1 + return v + + +class InlineTableDict(object): + """Sentinel subclass of dict for inline tables.""" + + +class TomlDecoder(object): + + def __init__(self, _dict=dict): + self._dict = _dict + + def get_empty_table(self): + return self._dict() + + def get_empty_inline_table(self): + class DynamicInlineTableDict(self._dict, InlineTableDict): + """Concrete sentinel subclass for inline tables. + It is a subclass of _dict which is passed in dynamically at load + time + + It is also a subclass of InlineTableDict + """ + + return DynamicInlineTableDict() + + def load_inline_object(self, line, currentlevel, multikey=False, + multibackslash=False): + candidate_groups = line[1:-1].split(",") + groups = [] + if len(candidate_groups) == 1 and not candidate_groups[0].strip(): + candidate_groups.pop() + while len(candidate_groups) > 0: + candidate_group = candidate_groups.pop(0) + try: + _, value = candidate_group.split('=', 1) + except ValueError: + raise ValueError("Invalid inline table encountered") + value = value.strip() + if ((value[0] == value[-1] and value[0] in ('"', "'")) or ( + value[0] in '-0123456789' or + value in ('true', 'false') or + (value[0] == "[" and value[-1] == "]") or + (value[0] == '{' and value[-1] == '}'))): + groups.append(candidate_group) + elif len(candidate_groups) > 0: + candidate_groups[0] = (candidate_group + "," + + candidate_groups[0]) + else: + raise ValueError("Invalid inline table value encountered") + for group in groups: + status = self.load_line(group, currentlevel, multikey, + multibackslash) + if status is not None: + break + + def _get_split_on_quotes(self, line): + doublequotesplits = line.split('"') + quoted = False + quotesplits = [] + if len(doublequotesplits) > 1 and "'" in doublequotesplits[0]: + singlequotesplits = doublequotesplits[0].split("'") + doublequotesplits = doublequotesplits[1:] + while len(singlequotesplits) % 2 == 0 and len(doublequotesplits): + singlequotesplits[-1] += '"' + doublequotesplits[0] + doublequotesplits = doublequotesplits[1:] + if "'" in singlequotesplits[-1]: + singlequotesplits = (singlequotesplits[:-1] + + singlequotesplits[-1].split("'")) + quotesplits += singlequotesplits + for doublequotesplit in doublequotesplits: + if quoted: + quotesplits.append(doublequotesplit) + else: + quotesplits += doublequotesplit.split("'") + quoted = not quoted + return quotesplits + + def load_line(self, line, currentlevel, multikey, multibackslash): + i = 1 + quotesplits = self._get_split_on_quotes(line) + quoted = False + for quotesplit in quotesplits: + if not quoted and '=' in quotesplit: + break + i += quotesplit.count('=') + quoted = not quoted + pair = line.split('=', i) + strictly_valid = _strictly_valid_num(pair[-1]) + if _number_with_underscores.match(pair[-1]): + pair[-1] = pair[-1].replace('_', '') + while len(pair[-1]) and (pair[-1][0] != ' ' and pair[-1][0] != '\t' and + pair[-1][0] != "'" and pair[-1][0] != '"' and + pair[-1][0] != '[' and pair[-1][0] != '{' and + pair[-1].strip() != 'true' and + pair[-1].strip() != 'false'): + try: + float(pair[-1]) + break + except ValueError: + pass + if _load_date(pair[-1]) is not None: + break + if TIME_RE.match(pair[-1]): + break + i += 1 + prev_val = pair[-1] + pair = line.split('=', i) + if prev_val == pair[-1]: + raise ValueError("Invalid date or number") + if strictly_valid: + strictly_valid = _strictly_valid_num(pair[-1]) + pair = ['='.join(pair[:-1]).strip(), pair[-1].strip()] + if '.' in pair[0]: + if '"' in pair[0] or "'" in pair[0]: + quotesplits = self._get_split_on_quotes(pair[0]) + quoted = False + levels = [] + for quotesplit in quotesplits: + if quoted: + levels.append(quotesplit) + else: + levels += [level.strip() for level in + quotesplit.split('.')] + quoted = not quoted + else: + levels = pair[0].split('.') + while levels[-1] == "": + levels = levels[:-1] + for level in levels[:-1]: + if level == "": + continue + if level not in currentlevel: + currentlevel[level] = self.get_empty_table() + currentlevel = currentlevel[level] + pair[0] = levels[-1].strip() + elif (pair[0][0] == '"' or pair[0][0] == "'") and \ + (pair[0][-1] == pair[0][0]): + pair[0] = _unescape(pair[0][1:-1]) + k, koffset = self._load_line_multiline_str(pair[1]) + if k > -1: + while k > -1 and pair[1][k + koffset] == '\\': + multibackslash = not multibackslash + k -= 1 + if multibackslash: + multilinestr = pair[1][:-1] + else: + multilinestr = pair[1] + "\n" + multikey = pair[0] + else: + value, vtype = self.load_value(pair[1], strictly_valid) + try: + currentlevel[pair[0]] + raise ValueError("Duplicate keys!") + except TypeError: + raise ValueError("Duplicate keys!") + except KeyError: + if multikey: + return multikey, multilinestr, multibackslash + else: + currentlevel[pair[0]] = value + + def _load_line_multiline_str(self, p): + poffset = 0 + if len(p) < 3: + return -1, poffset + if p[0] == '[' and (p.strip()[-1] != ']' and + self._load_array_isstrarray(p)): + newp = p[1:].strip().split(',') + while len(newp) > 1 and newp[-1][0] != '"' and newp[-1][0] != "'": + newp = newp[:-2] + [newp[-2] + ',' + newp[-1]] + newp = newp[-1] + poffset = len(p) - len(newp) + p = newp + if p[0] != '"' and p[0] != "'": + return -1, poffset + if p[1] != p[0] or p[2] != p[0]: + return -1, poffset + if len(p) > 5 and p[-1] == p[0] and p[-2] == p[0] and p[-3] == p[0]: + return -1, poffset + return len(p) - 1, poffset + + def load_value(self, v, strictly_valid=True): + if not v: + raise ValueError("Empty value is invalid") + if v == 'true': + return (True, "bool") + elif v.lower() == 'true': + raise ValueError("Only all lowercase booleans allowed") + elif v == 'false': + return (False, "bool") + elif v.lower() == 'false': + raise ValueError("Only all lowercase booleans allowed") + elif v[0] == '"' or v[0] == "'": + quotechar = v[0] + testv = v[1:].split(quotechar) + triplequote = False + triplequotecount = 0 + if len(testv) > 1 and testv[0] == '' and testv[1] == '': + testv = testv[2:] + triplequote = True + closed = False + for tv in testv: + if tv == '': + if triplequote: + triplequotecount += 1 + else: + closed = True + else: + oddbackslash = False + try: + i = -1 + j = tv[i] + while j == '\\': + oddbackslash = not oddbackslash + i -= 1 + j = tv[i] + except IndexError: + pass + if not oddbackslash: + if closed: + raise ValueError("Found tokens after a closed " + + "string. Invalid TOML.") + else: + if not triplequote or triplequotecount > 1: + closed = True + else: + triplequotecount = 0 + if quotechar == '"': + escapeseqs = v.split('\\')[1:] + backslash = False + for i in escapeseqs: + if i == '': + backslash = not backslash + else: + if i[0] not in _escapes and (i[0] != 'u' and + i[0] != 'U' and + not backslash): + raise ValueError("Reserved escape sequence used") + if backslash: + backslash = False + for prefix in ["\\u", "\\U"]: + if prefix in v: + hexbytes = v.split(prefix) + v = _load_unicode_escapes(hexbytes[0], hexbytes[1:], + prefix) + v = _unescape(v) + if len(v) > 1 and v[1] == quotechar and (len(v) < 3 or + v[1] == v[2]): + v = v[2:-2] + return (v[1:-1], "str") + elif v[0] == '[': + return (self.load_array(v), "array") + elif v[0] == '{': + inline_object = self.get_empty_inline_table() + self.load_inline_object(v, inline_object) + return (inline_object, "inline_object") + elif TIME_RE.match(v): + h, m, s, _, ms = TIME_RE.match(v).groups() + time = datetime.time(int(h), int(m), int(s), int(ms) if ms else 0) + return (time, "time") + else: + parsed_date = _load_date(v) + if parsed_date is not None: + return (parsed_date, "date") + if not strictly_valid: + raise ValueError("Weirdness with leading zeroes or " + "underscores in your number.") + itype = "int" + neg = False + if v[0] == '-': + neg = True + v = v[1:] + elif v[0] == '+': + v = v[1:] + v = v.replace('_', '') + lowerv = v.lower() + if '.' in v or ('x' not in v and ('e' in v or 'E' in v)): + if '.' in v and v.split('.', 1)[1] == '': + raise ValueError("This float is missing digits after " + "the point") + if v[0] not in '0123456789': + raise ValueError("This float doesn't have a leading " + "digit") + v = float(v) + itype = "float" + elif len(lowerv) == 3 and (lowerv == 'inf' or lowerv == 'nan'): + v = float(v) + itype = "float" + if itype == "int": + v = int(v, 0) + if neg: + return (0 - v, itype) + return (v, itype) + + def bounded_string(self, s): + if len(s) == 0: + return True + if s[-1] != s[0]: + return False + i = -2 + backslash = False + while len(s) + i > 0: + if s[i] == "\\": + backslash = not backslash + i -= 1 + else: + break + return not backslash + + def _load_array_isstrarray(self, a): + a = a[1:-1].strip() + if a != '' and (a[0] == '"' or a[0] == "'"): + return True + return False + + def load_array(self, a): + atype = None + retval = [] + a = a.strip() + if '[' not in a[1:-1] or "" != a[1:-1].split('[')[0].strip(): + strarray = self._load_array_isstrarray(a) + if not a[1:-1].strip().startswith('{'): + a = a[1:-1].split(',') + else: + # a is an inline object, we must find the matching parenthesis + # to define groups + new_a = [] + start_group_index = 1 + end_group_index = 2 + open_bracket_count = 1 if a[start_group_index] == '{' else 0 + in_str = False + while end_group_index < len(a[1:]): + if a[end_group_index] == '"' or a[end_group_index] == "'": + if in_str: + backslash_index = end_group_index - 1 + while (backslash_index > -1 and + a[backslash_index] == '\\'): + in_str = not in_str + backslash_index -= 1 + in_str = not in_str + if not in_str and a[end_group_index] == '{': + open_bracket_count += 1 + if in_str or a[end_group_index] != '}': + end_group_index += 1 + continue + elif a[end_group_index] == '}' and open_bracket_count > 1: + open_bracket_count -= 1 + end_group_index += 1 + continue + + # Increase end_group_index by 1 to get the closing bracket + end_group_index += 1 + + new_a.append(a[start_group_index:end_group_index]) + + # The next start index is at least after the closing + # bracket, a closing bracket can be followed by a comma + # since we are in an array. + start_group_index = end_group_index + 1 + while (start_group_index < len(a[1:]) and + a[start_group_index] != '{'): + start_group_index += 1 + end_group_index = start_group_index + 1 + a = new_a + b = 0 + if strarray: + while b < len(a) - 1: + ab = a[b].strip() + while (not self.bounded_string(ab) or + (len(ab) > 2 and + ab[0] == ab[1] == ab[2] and + ab[-2] != ab[0] and + ab[-3] != ab[0])): + a[b] = a[b] + ',' + a[b + 1] + ab = a[b].strip() + if b < len(a) - 2: + a = a[:b + 1] + a[b + 2:] + else: + a = a[:b + 1] + b += 1 + else: + al = list(a[1:-1]) + a = [] + openarr = 0 + j = 0 + for i in _range(len(al)): + if al[i] == '[': + openarr += 1 + elif al[i] == ']': + openarr -= 1 + elif al[i] == ',' and not openarr: + a.append(''.join(al[j:i])) + j = i + 1 + a.append(''.join(al[j:])) + for i in _range(len(a)): + a[i] = a[i].strip() + if a[i] != '': + nval, ntype = self.load_value(a[i]) + if atype: + if ntype != atype: + raise ValueError("Not a homogeneous array") + else: + atype = ntype + retval.append(nval) + return retval + + def preserve_comment(self, line_no, key, comment, beginline): + pass + + def embed_comments(self, idx, currentlevel): + pass + + +class TomlPreserveCommentDecoder(TomlDecoder): + + def __init__(self, _dict=dict): + self.saved_comments = {} + super(TomlPreserveCommentDecoder, self).__init__(_dict) + + def preserve_comment(self, line_no, key, comment, beginline): + self.saved_comments[line_no] = (key, comment, beginline) + + def embed_comments(self, idx, currentlevel): + if idx not in self.saved_comments: + return + + key, comment, beginline = self.saved_comments[idx] + currentlevel[key] = CommentValue(currentlevel[key], comment, beginline, + self._dict) diff --git a/backend/mb-env/lib/python3.9/site-packages/toml/encoder.py b/backend/mb-env/lib/python3.9/site-packages/toml/encoder.py new file mode 100644 index 0000000..bf17a72 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml/encoder.py @@ -0,0 +1,304 @@ +import datetime +import re +import sys +from decimal import Decimal + +from toml.decoder import InlineTableDict + +if sys.version_info >= (3,): + unicode = str + + +def dump(o, f, encoder=None): + """Writes out dict as toml to a file + + Args: + o: Object to dump into toml + f: File descriptor where the toml should be stored + encoder: The ``TomlEncoder`` to use for constructing the output string + + Returns: + String containing the toml corresponding to dictionary + + Raises: + TypeError: When anything other than file descriptor is passed + """ + + if not f.write: + raise TypeError("You can only dump an object to a file descriptor") + d = dumps(o, encoder=encoder) + f.write(d) + return d + + +def dumps(o, encoder=None): + """Stringifies input dict as toml + + Args: + o: Object to dump into toml + encoder: The ``TomlEncoder`` to use for constructing the output string + + Returns: + String containing the toml corresponding to dict + + Examples: + ```python + >>> import toml + >>> output = { + ... 'a': "I'm a string", + ... 'b': ["I'm", "a", "list"], + ... 'c': 2400 + ... } + >>> toml.dumps(output) + 'a = "I\'m a string"\nb = [ "I\'m", "a", "list",]\nc = 2400\n' + ``` + """ + + retval = "" + if encoder is None: + encoder = TomlEncoder(o.__class__) + addtoretval, sections = encoder.dump_sections(o, "") + retval += addtoretval + outer_objs = [id(o)] + while sections: + section_ids = [id(section) for section in sections.values()] + for outer_obj in outer_objs: + if outer_obj in section_ids: + raise ValueError("Circular reference detected") + outer_objs += section_ids + newsections = encoder.get_empty_table() + for section in sections: + addtoretval, addtosections = encoder.dump_sections( + sections[section], section) + + if addtoretval or (not addtoretval and not addtosections): + if retval and retval[-2:] != "\n\n": + retval += "\n" + retval += "[" + section + "]\n" + if addtoretval: + retval += addtoretval + for s in addtosections: + newsections[section + "." + s] = addtosections[s] + sections = newsections + return retval + + +def _dump_str(v): + if sys.version_info < (3,) and hasattr(v, 'decode') and isinstance(v, str): + v = v.decode('utf-8') + v = "%r" % v + if v[0] == 'u': + v = v[1:] + singlequote = v.startswith("'") + if singlequote or v.startswith('"'): + v = v[1:-1] + if singlequote: + v = v.replace("\\'", "'") + v = v.replace('"', '\\"') + v = v.split("\\x") + while len(v) > 1: + i = -1 + if not v[0]: + v = v[1:] + v[0] = v[0].replace("\\\\", "\\") + # No, I don't know why != works and == breaks + joinx = v[0][i] != "\\" + while v[0][:i] and v[0][i] == "\\": + joinx = not joinx + i -= 1 + if joinx: + joiner = "x" + else: + joiner = "u00" + v = [v[0] + joiner + v[1]] + v[2:] + return unicode('"' + v[0] + '"') + + +def _dump_float(v): + return "{}".format(v).replace("e+0", "e+").replace("e-0", "e-") + + +def _dump_time(v): + utcoffset = v.utcoffset() + if utcoffset is None: + return v.isoformat() + # The TOML norm specifies that it's local time thus we drop the offset + return v.isoformat()[:-6] + + +class TomlEncoder(object): + + def __init__(self, _dict=dict, preserve=False): + self._dict = _dict + self.preserve = preserve + self.dump_funcs = { + str: _dump_str, + unicode: _dump_str, + list: self.dump_list, + bool: lambda v: unicode(v).lower(), + int: lambda v: v, + float: _dump_float, + Decimal: _dump_float, + datetime.datetime: lambda v: v.isoformat().replace('+00:00', 'Z'), + datetime.time: _dump_time, + datetime.date: lambda v: v.isoformat() + } + + def get_empty_table(self): + return self._dict() + + def dump_list(self, v): + retval = "[" + for u in v: + retval += " " + unicode(self.dump_value(u)) + "," + retval += "]" + return retval + + def dump_inline_table(self, section): + """Preserve inline table in its compact syntax instead of expanding + into subsection. + + https://github.com/toml-lang/toml#user-content-inline-table + """ + retval = "" + if isinstance(section, dict): + val_list = [] + for k, v in section.items(): + val = self.dump_inline_table(v) + val_list.append(k + " = " + val) + retval += "{ " + ", ".join(val_list) + " }\n" + return retval + else: + return unicode(self.dump_value(section)) + + def dump_value(self, v): + # Lookup function corresponding to v's type + dump_fn = self.dump_funcs.get(type(v)) + if dump_fn is None and hasattr(v, '__iter__'): + dump_fn = self.dump_funcs[list] + # Evaluate function (if it exists) else return v + return dump_fn(v) if dump_fn is not None else self.dump_funcs[str](v) + + def dump_sections(self, o, sup): + retstr = "" + if sup != "" and sup[-1] != ".": + sup += '.' + retdict = self._dict() + arraystr = "" + for section in o: + section = unicode(section) + qsection = section + if not re.match(r'^[A-Za-z0-9_-]+$', section): + qsection = _dump_str(section) + if not isinstance(o[section], dict): + arrayoftables = False + if isinstance(o[section], list): + for a in o[section]: + if isinstance(a, dict): + arrayoftables = True + if arrayoftables: + for a in o[section]: + arraytabstr = "\n" + arraystr += "[[" + sup + qsection + "]]\n" + s, d = self.dump_sections(a, sup + qsection) + if s: + if s[0] == "[": + arraytabstr += s + else: + arraystr += s + while d: + newd = self._dict() + for dsec in d: + s1, d1 = self.dump_sections(d[dsec], sup + + qsection + "." + + dsec) + if s1: + arraytabstr += ("[" + sup + qsection + + "." + dsec + "]\n") + arraytabstr += s1 + for s1 in d1: + newd[dsec + "." + s1] = d1[s1] + d = newd + arraystr += arraytabstr + else: + if o[section] is not None: + retstr += (qsection + " = " + + unicode(self.dump_value(o[section])) + '\n') + elif self.preserve and isinstance(o[section], InlineTableDict): + retstr += (qsection + " = " + + self.dump_inline_table(o[section])) + else: + retdict[qsection] = o[section] + retstr += arraystr + return (retstr, retdict) + + +class TomlPreserveInlineDictEncoder(TomlEncoder): + + def __init__(self, _dict=dict): + super(TomlPreserveInlineDictEncoder, self).__init__(_dict, True) + + +class TomlArraySeparatorEncoder(TomlEncoder): + + def __init__(self, _dict=dict, preserve=False, separator=","): + super(TomlArraySeparatorEncoder, self).__init__(_dict, preserve) + if separator.strip() == "": + separator = "," + separator + elif separator.strip(' \t\n\r,'): + raise ValueError("Invalid separator for arrays") + self.separator = separator + + def dump_list(self, v): + t = [] + retval = "[" + for u in v: + t.append(self.dump_value(u)) + while t != []: + s = [] + for u in t: + if isinstance(u, list): + for r in u: + s.append(r) + else: + retval += " " + unicode(u) + self.separator + t = s + retval += "]" + return retval + + +class TomlNumpyEncoder(TomlEncoder): + + def __init__(self, _dict=dict, preserve=False): + import numpy as np + super(TomlNumpyEncoder, self).__init__(_dict, preserve) + self.dump_funcs[np.float16] = _dump_float + self.dump_funcs[np.float32] = _dump_float + self.dump_funcs[np.float64] = _dump_float + self.dump_funcs[np.int16] = self._dump_int + self.dump_funcs[np.int32] = self._dump_int + self.dump_funcs[np.int64] = self._dump_int + + def _dump_int(self, v): + return "{}".format(int(v)) + + +class TomlPreserveCommentEncoder(TomlEncoder): + + def __init__(self, _dict=dict, preserve=False): + from toml.decoder import CommentValue + super(TomlPreserveCommentEncoder, self).__init__(_dict, preserve) + self.dump_funcs[CommentValue] = lambda v: v.dump(self.dump_value) + + +class TomlPathlibEncoder(TomlEncoder): + + def _dump_pathlib_path(self, v): + return _dump_str(str(v)) + + def dump_value(self, v): + if (3, 4) <= sys.version_info: + import pathlib + if isinstance(v, pathlib.PurePath): + v = str(v) + return super(TomlPathlibEncoder, self).dump_value(v) diff --git a/backend/mb-env/lib/python3.9/site-packages/toml/ordered.py b/backend/mb-env/lib/python3.9/site-packages/toml/ordered.py new file mode 100644 index 0000000..9c20c41 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml/ordered.py @@ -0,0 +1,15 @@ +from collections import OrderedDict +from toml import TomlEncoder +from toml import TomlDecoder + + +class TomlOrderedDecoder(TomlDecoder): + + def __init__(self): + super(self.__class__, self).__init__(_dict=OrderedDict) + + +class TomlOrderedEncoder(TomlEncoder): + + def __init__(self): + super(self.__class__, self).__init__(_dict=OrderedDict) diff --git a/backend/mb-env/lib/python3.9/site-packages/toml/tz.py b/backend/mb-env/lib/python3.9/site-packages/toml/tz.py new file mode 100644 index 0000000..bf20593 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/toml/tz.py @@ -0,0 +1,24 @@ +from datetime import tzinfo, timedelta + + +class TomlTz(tzinfo): + def __init__(self, toml_offset): + if toml_offset == "Z": + self._raw_offset = "+00:00" + else: + self._raw_offset = toml_offset + self._sign = -1 if self._raw_offset[0] == '-' else 1 + self._hours = int(self._raw_offset[1:3]) + self._minutes = int(self._raw_offset[4:6]) + + def __deepcopy__(self, memo): + return self.__class__(self._raw_offset) + + def tzname(self, dt): + return "UTC" + self._raw_offset + + def utcoffset(self, dt): + return self._sign * timedelta(hours=self._hours, minutes=self._minutes) + + def dst(self, dt): + return timedelta(0) diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/LICENSE new file mode 100644 index 0000000..583f9f6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/LICENSE @@ -0,0 +1,254 @@ +A. HISTORY OF THE SOFTWARE +========================== + +Python was created in the early 1990s by Guido van Rossum at Stichting +Mathematisch Centrum (CWI, see http://www.cwi.nl) in the Netherlands +as a successor of a language called ABC. Guido remains Python's +principal author, although it includes many contributions from others. + +In 1995, Guido continued his work on Python at the Corporation for +National Research Initiatives (CNRI, see http://www.cnri.reston.va.us) +in Reston, Virginia where he released several versions of the +software. + +In May 2000, Guido and the Python core development team moved to +BeOpen.com to form the BeOpen PythonLabs team. In October of the same +year, the PythonLabs team moved to Digital Creations (now Zope +Corporation, see http://www.zope.com). In 2001, the Python Software +Foundation (PSF, see http://www.python.org/psf/) was formed, a +non-profit organization created specifically to own Python-related +Intellectual Property. Zope Corporation is a sponsoring member of +the PSF. + +All Python releases are Open Source (see http://www.opensource.org for +the Open Source Definition). Historically, most, but not all, Python +releases have also been GPL-compatible; the table below summarizes +the various releases. + + Release Derived Year Owner GPL- + from compatible? (1) + + 0.9.0 thru 1.2 1991-1995 CWI yes + 1.3 thru 1.5.2 1.2 1995-1999 CNRI yes + 1.6 1.5.2 2000 CNRI no + 2.0 1.6 2000 BeOpen.com no + 1.6.1 1.6 2001 CNRI yes (2) + 2.1 2.0+1.6.1 2001 PSF no + 2.0.1 2.0+1.6.1 2001 PSF yes + 2.1.1 2.1+2.0.1 2001 PSF yes + 2.1.2 2.1.1 2002 PSF yes + 2.1.3 2.1.2 2002 PSF yes + 2.2 and above 2.1.1 2001-now PSF yes + +Footnotes: + +(1) GPL-compatible doesn't mean that we're distributing Python under + the GPL. All Python licenses, unlike the GPL, let you distribute + a modified version without making your changes open source. The + GPL-compatible licenses make it possible to combine Python with + other software that is released under the GPL; the others don't. + +(2) According to Richard Stallman, 1.6.1 is not GPL-compatible, + because its license has a choice of law clause. According to + CNRI, however, Stallman's lawyer has told CNRI's lawyer that 1.6.1 + is "not incompatible" with the GPL. + +Thanks to the many outside volunteers who have worked under Guido's +direction to make these releases possible. + + +B. TERMS AND CONDITIONS FOR ACCESSING OR OTHERWISE USING PYTHON +=============================================================== + +PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2 +-------------------------------------------- + +1. This LICENSE AGREEMENT is between the Python Software Foundation +("PSF"), and the Individual or Organization ("Licensee") accessing and +otherwise using this software ("Python") in source or binary form and +its associated documentation. + +2. Subject to the terms and conditions of this License Agreement, PSF hereby +grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce, +analyze, test, perform and/or display publicly, prepare derivative works, +distribute, and otherwise use Python alone or in any derivative version, +provided, however, that PSF's License Agreement and PSF's notice of copyright, +i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, +2011, 2012, 2013, 2014 Python Software Foundation; All Rights Reserved" are +retained in Python alone or in any derivative version prepared by Licensee. + +3. In the event Licensee prepares a derivative work that is based on +or incorporates Python or any part thereof, and wants to make +the derivative work available to others as provided herein, then +Licensee hereby agrees to include in any such work a brief summary of +the changes made to Python. + +4. PSF is making Python available to Licensee on an "AS IS" +basis. 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python_version < "3.5" + +Typing Extensions -- Backported and Experimental Type Hints for Python + +The ``typing`` module was added to the standard library in Python 3.5, but +many new features have been added to the module since then. +This means users of Python 3.5 - 3.6 who are unable to upgrade will not be +able to take advantage of new types added to the ``typing`` module, such as +``typing.Protocol`` or ``typing.TypedDict``. + +The ``typing_extensions`` module contains backports of these changes. +Experimental types that will eventually be added to the ``typing`` +module are also included in ``typing_extensions``, such as +``typing.ParamSpec`` and ``typing.TypeGuard``. + +Users of Python versions before 3.5 should install and use +the ``typing`` module from PyPI instead of using this one, unless specifically +writing code that must be compatible with multiple Python versions or requires +experimental types. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/RECORD new file mode 100644 index 0000000..7b602fa --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/RECORD @@ -0,0 +1,9 @@ +__pycache__/typing_extensions.cpython-39.pyc,, +typing_extensions-3.10.0.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +typing_extensions-3.10.0.0.dist-info/LICENSE,sha256=_xfOlOECAk3raHc-scx0ynbaTmWPNzUx8Kwi1oprsa0,12755 +typing_extensions-3.10.0.0.dist-info/METADATA,sha256=zjlcNCeUQUETPe37jftee4IwkGKxm8YPKQxFFOMgyqQ,2099 +typing_extensions-3.10.0.0.dist-info/RECORD,, +typing_extensions-3.10.0.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +typing_extensions-3.10.0.0.dist-info/WHEEL,sha256=OqRkF0eY5GHssMorFjlbTIq072vpHpF60fIQA6lS9xA,92 +typing_extensions-3.10.0.0.dist-info/top_level.txt,sha256=hkDmk3VmrfXPOD--jS4aKTCu6kFZo-kVT1cIFfq1eU8,18 +typing_extensions.py,sha256=upcRc-ygmoZSgbJ4WZa34ZE_PVJsYrOlGM7WWbBrJuo,108429 diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/WHEEL new file mode 100644 index 0000000..385faab --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.36.2) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/top_level.txt new file mode 100644 index 0000000..5fd4f05 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions-3.10.0.0.dist-info/top_level.txt @@ -0,0 +1 @@ +typing_extensions diff --git a/backend/mb-env/lib/python3.9/site-packages/typing_extensions.py b/backend/mb-env/lib/python3.9/site-packages/typing_extensions.py new file mode 100644 index 0000000..82d1c2d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/typing_extensions.py @@ -0,0 +1,2805 @@ +import abc +import collections +import contextlib +import sys +import typing +import collections.abc as collections_abc +import operator + +# These are used by Protocol implementation +# We use internal typing helpers here, but this significantly reduces +# code duplication. (Also this is only until Protocol is in typing.) +from typing import Generic, Callable, TypeVar, Tuple + +# After PEP 560, internal typing API was substantially reworked. +# This is especially important for Protocol class which uses internal APIs +# quite extensivelly. +PEP_560 = sys.version_info[:3] >= (3, 7, 0) + +if PEP_560: + GenericMeta = TypingMeta = type +else: + from typing import GenericMeta, TypingMeta +OLD_GENERICS = False +try: + from typing import _type_vars, _next_in_mro, _type_check +except ImportError: + OLD_GENERICS = True +try: + from typing import _subs_tree # noqa + SUBS_TREE = True +except ImportError: + SUBS_TREE = False +try: + from typing import _tp_cache +except ImportError: + def _tp_cache(x): + return x +try: + from typing import _TypingEllipsis, _TypingEmpty +except ImportError: + class _TypingEllipsis: + pass + + class _TypingEmpty: + pass + + +# The two functions below are copies of typing internal helpers. +# They are needed by _ProtocolMeta + + +def _no_slots_copy(dct): + dict_copy = dict(dct) + if '__slots__' in dict_copy: + for slot in dict_copy['__slots__']: + dict_copy.pop(slot, None) + return dict_copy + + +def _check_generic(cls, parameters): + if not cls.__parameters__: + raise TypeError("%s is not a generic class" % repr(cls)) + alen = len(parameters) + elen = len(cls.__parameters__) + if alen != elen: + raise TypeError("Too %s parameters for %s; actual %s, expected %s" % + ("many" if alen > elen else "few", repr(cls), alen, elen)) + + +if hasattr(typing, '_generic_new'): + _generic_new = typing._generic_new +else: + # Note: The '_generic_new(...)' function is used as a part of the + # process of creating a generic type and was added to the typing module + # as of Python 3.5.3. + # + # We've defined '_generic_new(...)' below to exactly match the behavior + # implemented in older versions of 'typing' bundled with Python 3.5.0 to + # 3.5.2. This helps eliminate redundancy when defining collection types + # like 'Deque' later. + # + # See https://github.com/python/typing/pull/308 for more details -- in + # particular, compare and contrast the definition of types like + # 'typing.List' before and after the merge. + + def _generic_new(base_cls, cls, *args, **kwargs): + return base_cls.__new__(cls, *args, **kwargs) + +# See https://github.com/python/typing/pull/439 +if hasattr(typing, '_geqv'): + from typing import _geqv + _geqv_defined = True +else: + _geqv = None + _geqv_defined = False + +if sys.version_info[:2] >= (3, 6): + import _collections_abc + _check_methods_in_mro = _collections_abc._check_methods +else: + def _check_methods_in_mro(C, *methods): + mro = C.__mro__ + for method in methods: + for B in mro: + if method in B.__dict__: + if B.__dict__[method] is None: + return NotImplemented + break + else: + return NotImplemented + return True + + +# Please keep __all__ alphabetized within each category. +__all__ = [ + # Super-special typing primitives. + 'ClassVar', + 'Concatenate', + 'Final', + 'ParamSpec', + 'Type', + + # ABCs (from collections.abc). + # The following are added depending on presence + # of their non-generic counterparts in stdlib: + # 'Awaitable', + # 'AsyncIterator', + # 'AsyncIterable', + # 'Coroutine', + # 'AsyncGenerator', + # 'AsyncContextManager', + # 'ChainMap', + + # Concrete collection types. + 'ContextManager', + 'Counter', + 'Deque', + 'DefaultDict', + 'OrderedDict' + 'TypedDict', + + # Structural checks, a.k.a. protocols. + 'SupportsIndex', + + # One-off things. + 'final', + 'IntVar', + 'Literal', + 'NewType', + 'overload', + 'Text', + 'TypeAlias', + 'TypeGuard', + 'TYPE_CHECKING', +] + +# Annotated relies on substitution trees of pep 560. It will not work for +# versions of typing older than 3.5.3 +HAVE_ANNOTATED = PEP_560 or SUBS_TREE + +if PEP_560: + __all__.extend(["get_args", "get_origin", "get_type_hints"]) + +if HAVE_ANNOTATED: + __all__.append("Annotated") + +# Protocols are hard to backport to the original version of typing 3.5.0 +HAVE_PROTOCOLS = sys.version_info[:3] != (3, 5, 0) + +if HAVE_PROTOCOLS: + __all__.extend(['Protocol', 'runtime', 'runtime_checkable']) + + +# TODO +if hasattr(typing, 'NoReturn'): + NoReturn = typing.NoReturn +elif hasattr(typing, '_FinalTypingBase'): + class _NoReturn(typing._FinalTypingBase, _root=True): + """Special type indicating functions that never return. + Example:: + + from typing import NoReturn + + def stop() -> NoReturn: + raise Exception('no way') + + This type is invalid in other positions, e.g., ``List[NoReturn]`` + will fail in static type checkers. + """ + __slots__ = () + + def __instancecheck__(self, obj): + raise TypeError("NoReturn cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("NoReturn cannot be used with issubclass().") + + NoReturn = _NoReturn(_root=True) +else: + class _NoReturnMeta(typing.TypingMeta): + """Metaclass for NoReturn""" + def __new__(cls, name, bases, namespace, _root=False): + return super().__new__(cls, name, bases, namespace, _root=_root) + + def __instancecheck__(self, obj): + raise TypeError("NoReturn cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("NoReturn cannot be used with issubclass().") + + class NoReturn(typing.Final, metaclass=_NoReturnMeta, _root=True): + """Special type indicating functions that never return. + Example:: + + from typing import NoReturn + + def stop() -> NoReturn: + raise Exception('no way') + + This type is invalid in other positions, e.g., ``List[NoReturn]`` + will fail in static type checkers. + """ + __slots__ = () + + +# Some unconstrained type variables. These are used by the container types. +# (These are not for export.) +T = typing.TypeVar('T') # Any type. +KT = typing.TypeVar('KT') # Key type. +VT = typing.TypeVar('VT') # Value type. +T_co = typing.TypeVar('T_co', covariant=True) # Any type covariant containers. +V_co = typing.TypeVar('V_co', covariant=True) # Any type covariant containers. +VT_co = typing.TypeVar('VT_co', covariant=True) # Value type covariant containers. +T_contra = typing.TypeVar('T_contra', contravariant=True) # Ditto contravariant. + + +if hasattr(typing, 'ClassVar'): + ClassVar = typing.ClassVar +elif hasattr(typing, '_FinalTypingBase'): + class _ClassVar(typing._FinalTypingBase, _root=True): + """Special type construct to mark class variables. + + An annotation wrapped in ClassVar indicates that a given + attribute is intended to be used as a class variable and + should not be set on instances of that class. Usage:: + + class Starship: + stats: ClassVar[Dict[str, int]] = {} # class variable + damage: int = 10 # instance variable + + ClassVar accepts only types and cannot be further subscribed. + + Note that ClassVar is not a class itself, and should not + be used with isinstance() or issubclass(). + """ + + __slots__ = ('__type__',) + + def __init__(self, tp=None, **kwds): + self.__type__ = tp + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is None: + return cls(typing._type_check(item, + '{} accepts only single type.'.format(cls.__name__[1:])), + _root=True) + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(new_tp, _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not isinstance(other, _ClassVar): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + ClassVar = _ClassVar(_root=True) +else: + class _ClassVarMeta(typing.TypingMeta): + """Metaclass for ClassVar""" + + def __new__(cls, name, bases, namespace, tp=None, _root=False): + self = super().__new__(cls, name, bases, namespace, _root=_root) + if tp is not None: + self.__type__ = tp + return self + + def __instancecheck__(self, obj): + raise TypeError("ClassVar cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("ClassVar cannot be used with issubclass().") + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is not None: + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + param = typing._type_check( + item, + '{} accepts only single type.'.format(cls.__name__[1:])) + return cls(self.__name__, self.__bases__, + dict(self.__dict__), tp=param, _root=True) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(self.__name__, self.__bases__, + dict(self.__dict__), tp=self.__type__, + _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not isinstance(other, ClassVar): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + class ClassVar(typing.Final, metaclass=_ClassVarMeta, _root=True): + """Special type construct to mark class variables. + + An annotation wrapped in ClassVar indicates that a given + attribute is intended to be used as a class variable and + should not be set on instances of that class. Usage:: + + class Starship: + stats: ClassVar[Dict[str, int]] = {} # class variable + damage: int = 10 # instance variable + + ClassVar accepts only types and cannot be further subscribed. + + Note that ClassVar is not a class itself, and should not + be used with isinstance() or issubclass(). + """ + + __type__ = None + +# On older versions of typing there is an internal class named "Final". +if hasattr(typing, 'Final') and sys.version_info[:2] >= (3, 7): + Final = typing.Final +elif sys.version_info[:2] >= (3, 7): + class _FinalForm(typing._SpecialForm, _root=True): + + def __repr__(self): + return 'typing_extensions.' + self._name + + def __getitem__(self, parameters): + item = typing._type_check(parameters, + '{} accepts only single type'.format(self._name)) + return _GenericAlias(self, (item,)) + + Final = _FinalForm('Final', + doc="""A special typing construct to indicate that a name + cannot be re-assigned or overridden in a subclass. + For example: + + MAX_SIZE: Final = 9000 + MAX_SIZE += 1 # Error reported by type checker + + class Connection: + TIMEOUT: Final[int] = 10 + class FastConnector(Connection): + TIMEOUT = 1 # Error reported by type checker + + There is no runtime checking of these properties.""") +elif hasattr(typing, '_FinalTypingBase'): + class _Final(typing._FinalTypingBase, _root=True): + """A special typing construct to indicate that a name + cannot be re-assigned or overridden in a subclass. + For example: + + MAX_SIZE: Final = 9000 + MAX_SIZE += 1 # Error reported by type checker + + class Connection: + TIMEOUT: Final[int] = 10 + class FastConnector(Connection): + TIMEOUT = 1 # Error reported by type checker + + There is no runtime checking of these properties. + """ + + __slots__ = ('__type__',) + + def __init__(self, tp=None, **kwds): + self.__type__ = tp + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is None: + return cls(typing._type_check(item, + '{} accepts only single type.'.format(cls.__name__[1:])), + _root=True) + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(new_tp, _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not isinstance(other, _Final): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + Final = _Final(_root=True) +else: + class _FinalMeta(typing.TypingMeta): + """Metaclass for Final""" + + def __new__(cls, name, bases, namespace, tp=None, _root=False): + self = super().__new__(cls, name, bases, namespace, _root=_root) + if tp is not None: + self.__type__ = tp + return self + + def __instancecheck__(self, obj): + raise TypeError("Final cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("Final cannot be used with issubclass().") + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is not None: + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + param = typing._type_check( + item, + '{} accepts only single type.'.format(cls.__name__[1:])) + return cls(self.__name__, self.__bases__, + dict(self.__dict__), tp=param, _root=True) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(self.__name__, self.__bases__, + dict(self.__dict__), tp=self.__type__, + _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not isinstance(other, Final): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + class Final(typing.Final, metaclass=_FinalMeta, _root=True): + """A special typing construct to indicate that a name + cannot be re-assigned or overridden in a subclass. + For example: + + MAX_SIZE: Final = 9000 + MAX_SIZE += 1 # Error reported by type checker + + class Connection: + TIMEOUT: Final[int] = 10 + class FastConnector(Connection): + TIMEOUT = 1 # Error reported by type checker + + There is no runtime checking of these properties. + """ + + __type__ = None + + +if hasattr(typing, 'final'): + final = typing.final +else: + def final(f): + """This decorator can be used to indicate to type checkers that + the decorated method cannot be overridden, and decorated class + cannot be subclassed. For example: + + class Base: + @final + def done(self) -> None: + ... + class Sub(Base): + def done(self) -> None: # Error reported by type checker + ... + @final + class Leaf: + ... + class Other(Leaf): # Error reported by type checker + ... + + There is no runtime checking of these properties. + """ + return f + + +def IntVar(name): + return TypeVar(name) + + +if hasattr(typing, 'Literal'): + Literal = typing.Literal +elif sys.version_info[:2] >= (3, 7): + class _LiteralForm(typing._SpecialForm, _root=True): + + def __repr__(self): + return 'typing_extensions.' + self._name + + def __getitem__(self, parameters): + return _GenericAlias(self, parameters) + + Literal = _LiteralForm('Literal', + doc="""A type that can be used to indicate to type checkers + that the corresponding value has a value literally equivalent + to the provided parameter. For example: + + var: Literal[4] = 4 + + The type checker understands that 'var' is literally equal to + the value 4 and no other value. + + Literal[...] cannot be subclassed. There is no runtime + checking verifying that the parameter is actually a value + instead of a type.""") +elif hasattr(typing, '_FinalTypingBase'): + class _Literal(typing._FinalTypingBase, _root=True): + """A type that can be used to indicate to type checkers that the + corresponding value has a value literally equivalent to the + provided parameter. For example: + + var: Literal[4] = 4 + + The type checker understands that 'var' is literally equal to the + value 4 and no other value. + + Literal[...] cannot be subclassed. There is no runtime checking + verifying that the parameter is actually a value instead of a type. + """ + + __slots__ = ('__values__',) + + def __init__(self, values=None, **kwds): + self.__values__ = values + + def __getitem__(self, values): + cls = type(self) + if self.__values__ is None: + if not isinstance(values, tuple): + values = (values,) + return cls(values, _root=True) + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + def _eval_type(self, globalns, localns): + return self + + def __repr__(self): + r = super().__repr__() + if self.__values__ is not None: + r += '[{}]'.format(', '.join(map(typing._type_repr, self.__values__))) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__values__)) + + def __eq__(self, other): + if not isinstance(other, _Literal): + return NotImplemented + if self.__values__ is not None: + return self.__values__ == other.__values__ + return self is other + + Literal = _Literal(_root=True) +else: + class _LiteralMeta(typing.TypingMeta): + """Metaclass for Literal""" + + def __new__(cls, name, bases, namespace, values=None, _root=False): + self = super().__new__(cls, name, bases, namespace, _root=_root) + if values is not None: + self.__values__ = values + return self + + def __instancecheck__(self, obj): + raise TypeError("Literal cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("Literal cannot be used with issubclass().") + + def __getitem__(self, item): + cls = type(self) + if self.__values__ is not None: + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + if not isinstance(item, tuple): + item = (item,) + return cls(self.__name__, self.__bases__, + dict(self.__dict__), values=item, _root=True) + + def _eval_type(self, globalns, localns): + return self + + def __repr__(self): + r = super().__repr__() + if self.__values__ is not None: + r += '[{}]'.format(', '.join(map(typing._type_repr, self.__values__))) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__values__)) + + def __eq__(self, other): + if not isinstance(other, Literal): + return NotImplemented + if self.__values__ is not None: + return self.__values__ == other.__values__ + return self is other + + class Literal(typing.Final, metaclass=_LiteralMeta, _root=True): + """A type that can be used to indicate to type checkers that the + corresponding value has a value literally equivalent to the + provided parameter. For example: + + var: Literal[4] = 4 + + The type checker understands that 'var' is literally equal to the + value 4 and no other value. + + Literal[...] cannot be subclassed. There is no runtime checking + verifying that the parameter is actually a value instead of a type. + """ + + __values__ = None + + +def _overload_dummy(*args, **kwds): + """Helper for @overload to raise when called.""" + raise NotImplementedError( + "You should not call an overloaded function. " + "A series of @overload-decorated functions " + "outside a stub module should always be followed " + "by an implementation that is not @overload-ed.") + + +def overload(func): + """Decorator for overloaded functions/methods. + + In a stub file, place two or more stub definitions for the same + function in a row, each decorated with @overload. For example: + + @overload + def utf8(value: None) -> None: ... + @overload + def utf8(value: bytes) -> bytes: ... + @overload + def utf8(value: str) -> bytes: ... + + In a non-stub file (i.e. a regular .py file), do the same but + follow it with an implementation. The implementation should *not* + be decorated with @overload. For example: + + @overload + def utf8(value: None) -> None: ... + @overload + def utf8(value: bytes) -> bytes: ... + @overload + def utf8(value: str) -> bytes: ... + def utf8(value): + # implementation goes here + """ + return _overload_dummy + + +# This is not a real generic class. Don't use outside annotations. +if hasattr(typing, 'Type'): + Type = typing.Type +else: + # Internal type variable used for Type[]. + CT_co = typing.TypeVar('CT_co', covariant=True, bound=type) + + class Type(typing.Generic[CT_co], extra=type): + """A special construct usable to annotate class objects. + + For example, suppose we have the following classes:: + + class User: ... # Abstract base for User classes + class BasicUser(User): ... + class ProUser(User): ... + class TeamUser(User): ... + + And a function that takes a class argument that's a subclass of + User and returns an instance of the corresponding class:: + + U = TypeVar('U', bound=User) + def new_user(user_class: Type[U]) -> U: + user = user_class() + # (Here we could write the user object to a database) + return user + joe = new_user(BasicUser) + + At this point the type checker knows that joe has type BasicUser. + """ + + __slots__ = () + + +# Various ABCs mimicking those in collections.abc. +# A few are simply re-exported for completeness. + +def _define_guard(type_name): + """ + Returns True if the given type isn't defined in typing but + is defined in collections_abc. + + Adds the type to __all__ if the collection is found in either + typing or collection_abc. + """ + if hasattr(typing, type_name): + __all__.append(type_name) + globals()[type_name] = getattr(typing, type_name) + return False + elif hasattr(collections_abc, type_name): + __all__.append(type_name) + return True + else: + return False + + +class _ExtensionsGenericMeta(GenericMeta): + def __subclasscheck__(self, subclass): + """This mimics a more modern GenericMeta.__subclasscheck__() logic + (that does not have problems with recursion) to work around interactions + between collections, typing, and typing_extensions on older + versions of Python, see https://github.com/python/typing/issues/501. + """ + if sys.version_info[:3] >= (3, 5, 3) or sys.version_info[:3] < (3, 5, 0): + if self.__origin__ is not None: + if sys._getframe(1).f_globals['__name__'] not in ['abc', 'functools']: + raise TypeError("Parameterized generics cannot be used with class " + "or instance checks") + return False + if not self.__extra__: + return super().__subclasscheck__(subclass) + res = self.__extra__.__subclasshook__(subclass) + if res is not NotImplemented: + return res + if self.__extra__ in subclass.__mro__: + return True + for scls in self.__extra__.__subclasses__(): + if isinstance(scls, GenericMeta): + continue + if issubclass(subclass, scls): + return True + return False + + +if _define_guard('Awaitable'): + class Awaitable(typing.Generic[T_co], metaclass=_ExtensionsGenericMeta, + extra=collections_abc.Awaitable): + __slots__ = () + + +if _define_guard('Coroutine'): + class Coroutine(Awaitable[V_co], typing.Generic[T_co, T_contra, V_co], + metaclass=_ExtensionsGenericMeta, + extra=collections_abc.Coroutine): + __slots__ = () + + +if _define_guard('AsyncIterable'): + class AsyncIterable(typing.Generic[T_co], + metaclass=_ExtensionsGenericMeta, + extra=collections_abc.AsyncIterable): + __slots__ = () + + +if _define_guard('AsyncIterator'): + class AsyncIterator(AsyncIterable[T_co], + metaclass=_ExtensionsGenericMeta, + extra=collections_abc.AsyncIterator): + __slots__ = () + + +if hasattr(typing, 'Deque'): + Deque = typing.Deque +elif _geqv_defined: + class Deque(collections.deque, typing.MutableSequence[T], + metaclass=_ExtensionsGenericMeta, + extra=collections.deque): + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, Deque): + return collections.deque(*args, **kwds) + return _generic_new(collections.deque, cls, *args, **kwds) +else: + class Deque(collections.deque, typing.MutableSequence[T], + metaclass=_ExtensionsGenericMeta, + extra=collections.deque): + __slots__ = () + + def __new__(cls, *args, **kwds): + if cls._gorg is Deque: + return collections.deque(*args, **kwds) + return _generic_new(collections.deque, cls, *args, **kwds) + + +if hasattr(typing, 'ContextManager'): + ContextManager = typing.ContextManager +elif hasattr(contextlib, 'AbstractContextManager'): + class ContextManager(typing.Generic[T_co], + metaclass=_ExtensionsGenericMeta, + extra=contextlib.AbstractContextManager): + __slots__ = () +else: + class ContextManager(typing.Generic[T_co]): + __slots__ = () + + def __enter__(self): + return self + + @abc.abstractmethod + def __exit__(self, exc_type, exc_value, traceback): + return None + + @classmethod + def __subclasshook__(cls, C): + if cls is ContextManager: + # In Python 3.6+, it is possible to set a method to None to + # explicitly indicate that the class does not implement an ABC + # (https://bugs.python.org/issue25958), but we do not support + # that pattern here because this fallback class is only used + # in Python 3.5 and earlier. + if (any("__enter__" in B.__dict__ for B in C.__mro__) and + any("__exit__" in B.__dict__ for B in C.__mro__)): + return True + return NotImplemented + + +if hasattr(typing, 'AsyncContextManager'): + AsyncContextManager = typing.AsyncContextManager + __all__.append('AsyncContextManager') +elif hasattr(contextlib, 'AbstractAsyncContextManager'): + class AsyncContextManager(typing.Generic[T_co], + metaclass=_ExtensionsGenericMeta, + extra=contextlib.AbstractAsyncContextManager): + __slots__ = () + + __all__.append('AsyncContextManager') +elif sys.version_info[:2] >= (3, 5): + exec(""" +class AsyncContextManager(typing.Generic[T_co]): + __slots__ = () + + async def __aenter__(self): + return self + + @abc.abstractmethod + async def __aexit__(self, exc_type, exc_value, traceback): + return None + + @classmethod + def __subclasshook__(cls, C): + if cls is AsyncContextManager: + return _check_methods_in_mro(C, "__aenter__", "__aexit__") + return NotImplemented + +__all__.append('AsyncContextManager') +""") + + +if hasattr(typing, 'DefaultDict'): + DefaultDict = typing.DefaultDict +elif _geqv_defined: + class DefaultDict(collections.defaultdict, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.defaultdict): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, DefaultDict): + return collections.defaultdict(*args, **kwds) + return _generic_new(collections.defaultdict, cls, *args, **kwds) +else: + class DefaultDict(collections.defaultdict, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.defaultdict): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if cls._gorg is DefaultDict: + return collections.defaultdict(*args, **kwds) + return _generic_new(collections.defaultdict, cls, *args, **kwds) + + +if hasattr(typing, 'OrderedDict'): + OrderedDict = typing.OrderedDict +elif (3, 7, 0) <= sys.version_info[:3] < (3, 7, 2): + OrderedDict = typing._alias(collections.OrderedDict, (KT, VT)) +elif _geqv_defined: + class OrderedDict(collections.OrderedDict, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.OrderedDict): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, OrderedDict): + return collections.OrderedDict(*args, **kwds) + return _generic_new(collections.OrderedDict, cls, *args, **kwds) +else: + class OrderedDict(collections.OrderedDict, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.OrderedDict): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if cls._gorg is OrderedDict: + return collections.OrderedDict(*args, **kwds) + return _generic_new(collections.OrderedDict, cls, *args, **kwds) + + +if hasattr(typing, 'Counter'): + Counter = typing.Counter +elif (3, 5, 0) <= sys.version_info[:3] <= (3, 5, 1): + assert _geqv_defined + _TInt = typing.TypeVar('_TInt') + + class _CounterMeta(typing.GenericMeta): + """Metaclass for Counter""" + def __getitem__(self, item): + return super().__getitem__((item, int)) + + class Counter(collections.Counter, + typing.Dict[T, int], + metaclass=_CounterMeta, + extra=collections.Counter): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, Counter): + return collections.Counter(*args, **kwds) + return _generic_new(collections.Counter, cls, *args, **kwds) + +elif _geqv_defined: + class Counter(collections.Counter, + typing.Dict[T, int], + metaclass=_ExtensionsGenericMeta, extra=collections.Counter): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, Counter): + return collections.Counter(*args, **kwds) + return _generic_new(collections.Counter, cls, *args, **kwds) + +else: + class Counter(collections.Counter, + typing.Dict[T, int], + metaclass=_ExtensionsGenericMeta, extra=collections.Counter): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if cls._gorg is Counter: + return collections.Counter(*args, **kwds) + return _generic_new(collections.Counter, cls, *args, **kwds) + + +if hasattr(typing, 'ChainMap'): + ChainMap = typing.ChainMap + __all__.append('ChainMap') +elif hasattr(collections, 'ChainMap'): + # ChainMap only exists in 3.3+ + if _geqv_defined: + class ChainMap(collections.ChainMap, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.ChainMap): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if _geqv(cls, ChainMap): + return collections.ChainMap(*args, **kwds) + return _generic_new(collections.ChainMap, cls, *args, **kwds) + else: + class ChainMap(collections.ChainMap, typing.MutableMapping[KT, VT], + metaclass=_ExtensionsGenericMeta, + extra=collections.ChainMap): + + __slots__ = () + + def __new__(cls, *args, **kwds): + if cls._gorg is ChainMap: + return collections.ChainMap(*args, **kwds) + return _generic_new(collections.ChainMap, cls, *args, **kwds) + + __all__.append('ChainMap') + + +if _define_guard('AsyncGenerator'): + class AsyncGenerator(AsyncIterator[T_co], typing.Generic[T_co, T_contra], + metaclass=_ExtensionsGenericMeta, + extra=collections_abc.AsyncGenerator): + __slots__ = () + + +if hasattr(typing, 'NewType'): + NewType = typing.NewType +else: + def NewType(name, tp): + """NewType creates simple unique types with almost zero + runtime overhead. NewType(name, tp) is considered a subtype of tp + by static type checkers. At runtime, NewType(name, tp) returns + a dummy function that simply returns its argument. Usage:: + + UserId = NewType('UserId', int) + + def name_by_id(user_id: UserId) -> str: + ... + + UserId('user') # Fails type check + + name_by_id(42) # Fails type check + name_by_id(UserId(42)) # OK + + num = UserId(5) + 1 # type: int + """ + + def new_type(x): + return x + + new_type.__name__ = name + new_type.__supertype__ = tp + return new_type + + +if hasattr(typing, 'Text'): + Text = typing.Text +else: + Text = str + + +if hasattr(typing, 'TYPE_CHECKING'): + TYPE_CHECKING = typing.TYPE_CHECKING +else: + # Constant that's True when type checking, but False here. + TYPE_CHECKING = False + + +def _gorg(cls): + """This function exists for compatibility with old typing versions.""" + assert isinstance(cls, GenericMeta) + if hasattr(cls, '_gorg'): + return cls._gorg + while cls.__origin__ is not None: + cls = cls.__origin__ + return cls + + +if OLD_GENERICS: + def _next_in_mro(cls): # noqa + """This function exists for compatibility with old typing versions.""" + next_in_mro = object + for i, c in enumerate(cls.__mro__[:-1]): + if isinstance(c, GenericMeta) and _gorg(c) is Generic: + next_in_mro = cls.__mro__[i + 1] + return next_in_mro + + +_PROTO_WHITELIST = ['Callable', 'Awaitable', + 'Iterable', 'Iterator', 'AsyncIterable', 'AsyncIterator', + 'Hashable', 'Sized', 'Container', 'Collection', 'Reversible', + 'ContextManager', 'AsyncContextManager'] + + +def _get_protocol_attrs(cls): + attrs = set() + for base in cls.__mro__[:-1]: # without object + if base.__name__ in ('Protocol', 'Generic'): + continue + annotations = getattr(base, '__annotations__', {}) + for attr in list(base.__dict__.keys()) + list(annotations.keys()): + if (not attr.startswith('_abc_') and attr not in ( + '__abstractmethods__', '__annotations__', '__weakref__', + '_is_protocol', '_is_runtime_protocol', '__dict__', + '__args__', '__slots__', + '__next_in_mro__', '__parameters__', '__origin__', + '__orig_bases__', '__extra__', '__tree_hash__', + '__doc__', '__subclasshook__', '__init__', '__new__', + '__module__', '_MutableMapping__marker', '_gorg')): + attrs.add(attr) + return attrs + + +def _is_callable_members_only(cls): + return all(callable(getattr(cls, attr, None)) for attr in _get_protocol_attrs(cls)) + + +if hasattr(typing, 'Protocol'): + Protocol = typing.Protocol +elif HAVE_PROTOCOLS and not PEP_560: + + def _no_init(self, *args, **kwargs): + if type(self)._is_protocol: + raise TypeError('Protocols cannot be instantiated') + + class _ProtocolMeta(GenericMeta): + """Internal metaclass for Protocol. + + This exists so Protocol classes can be generic without deriving + from Generic. + """ + if not OLD_GENERICS: + def __new__(cls, name, bases, namespace, + tvars=None, args=None, origin=None, extra=None, orig_bases=None): + # This is just a version copied from GenericMeta.__new__ that + # includes "Protocol" special treatment. (Comments removed for brevity.) + assert extra is None # Protocols should not have extra + if tvars is not None: + assert origin is not None + assert all(isinstance(t, TypeVar) for t in tvars), tvars + else: + tvars = _type_vars(bases) + gvars = None + for base in bases: + if base is Generic: + raise TypeError("Cannot inherit from plain Generic") + if (isinstance(base, GenericMeta) and + base.__origin__ in (Generic, Protocol)): + if gvars is not None: + raise TypeError( + "Cannot inherit from Generic[...] or" + " Protocol[...] multiple times.") + gvars = base.__parameters__ + if gvars is None: + gvars = tvars + else: + tvarset = set(tvars) + gvarset = set(gvars) + if not tvarset <= gvarset: + raise TypeError( + "Some type variables (%s) " + "are not listed in %s[%s]" % + (", ".join(str(t) for t in tvars if t not in gvarset), + "Generic" if any(b.__origin__ is Generic + for b in bases) else "Protocol", + ", ".join(str(g) for g in gvars))) + tvars = gvars + + initial_bases = bases + if (extra is not None and type(extra) is abc.ABCMeta and + extra not in bases): + bases = (extra,) + bases + bases = tuple(_gorg(b) if isinstance(b, GenericMeta) else b + for b in bases) + if any(isinstance(b, GenericMeta) and b is not Generic for b in bases): + bases = tuple(b for b in bases if b is not Generic) + namespace.update({'__origin__': origin, '__extra__': extra}) + self = super(GenericMeta, cls).__new__(cls, name, bases, namespace, + _root=True) + super(GenericMeta, self).__setattr__('_gorg', + self if not origin else + _gorg(origin)) + self.__parameters__ = tvars + self.__args__ = tuple(... if a is _TypingEllipsis else + () if a is _TypingEmpty else + a for a in args) if args else None + self.__next_in_mro__ = _next_in_mro(self) + if orig_bases is None: + self.__orig_bases__ = initial_bases + elif origin is not None: + self._abc_registry = origin._abc_registry + self._abc_cache = origin._abc_cache + if hasattr(self, '_subs_tree'): + self.__tree_hash__ = (hash(self._subs_tree()) if origin else + super(GenericMeta, self).__hash__()) + return self + + def __init__(cls, *args, **kwargs): + super().__init__(*args, **kwargs) + if not cls.__dict__.get('_is_protocol', None): + cls._is_protocol = any(b is Protocol or + isinstance(b, _ProtocolMeta) and + b.__origin__ is Protocol + for b in cls.__bases__) + if cls._is_protocol: + for base in cls.__mro__[1:]: + if not (base in (object, Generic) or + base.__module__ == 'collections.abc' and + base.__name__ in _PROTO_WHITELIST or + isinstance(base, TypingMeta) and base._is_protocol or + isinstance(base, GenericMeta) and + base.__origin__ is Generic): + raise TypeError('Protocols can only inherit from other' + ' protocols, got %r' % base) + + cls.__init__ = _no_init + + def _proto_hook(other): + if not cls.__dict__.get('_is_protocol', None): + return NotImplemented + if not isinstance(other, type): + # Same error as for issubclass(1, int) + raise TypeError('issubclass() arg 1 must be a class') + for attr in _get_protocol_attrs(cls): + for base in other.__mro__: + if attr in base.__dict__: + if base.__dict__[attr] is None: + return NotImplemented + break + annotations = getattr(base, '__annotations__', {}) + if (isinstance(annotations, typing.Mapping) and + attr in annotations and + isinstance(other, _ProtocolMeta) and + other._is_protocol): + break + else: + return NotImplemented + return True + if '__subclasshook__' not in cls.__dict__: + cls.__subclasshook__ = _proto_hook + + def __instancecheck__(self, instance): + # We need this method for situations where attributes are + # assigned in __init__. + if ((not getattr(self, '_is_protocol', False) or + _is_callable_members_only(self)) and + issubclass(instance.__class__, self)): + return True + if self._is_protocol: + if all(hasattr(instance, attr) and + (not callable(getattr(self, attr, None)) or + getattr(instance, attr) is not None) + for attr in _get_protocol_attrs(self)): + return True + return super(GenericMeta, self).__instancecheck__(instance) + + def __subclasscheck__(self, cls): + if self.__origin__ is not None: + if sys._getframe(1).f_globals['__name__'] not in ['abc', 'functools']: + raise TypeError("Parameterized generics cannot be used with class " + "or instance checks") + return False + if (self.__dict__.get('_is_protocol', None) and + not self.__dict__.get('_is_runtime_protocol', None)): + if sys._getframe(1).f_globals['__name__'] in ['abc', + 'functools', + 'typing']: + return False + raise TypeError("Instance and class checks can only be used with" + " @runtime protocols") + if (self.__dict__.get('_is_runtime_protocol', None) and + not _is_callable_members_only(self)): + if sys._getframe(1).f_globals['__name__'] in ['abc', + 'functools', + 'typing']: + return super(GenericMeta, self).__subclasscheck__(cls) + raise TypeError("Protocols with non-method members" + " don't support issubclass()") + return super(GenericMeta, self).__subclasscheck__(cls) + + if not OLD_GENERICS: + @_tp_cache + def __getitem__(self, params): + # We also need to copy this from GenericMeta.__getitem__ to get + # special treatment of "Protocol". (Comments removed for brevity.) + if not isinstance(params, tuple): + params = (params,) + if not params and _gorg(self) is not Tuple: + raise TypeError( + "Parameter list to %s[...] cannot be empty" % self.__qualname__) + msg = "Parameters to generic types must be types." + params = tuple(_type_check(p, msg) for p in params) + if self in (Generic, Protocol): + if not all(isinstance(p, TypeVar) for p in params): + raise TypeError( + "Parameters to %r[...] must all be type variables" % self) + if len(set(params)) != len(params): + raise TypeError( + "Parameters to %r[...] must all be unique" % self) + tvars = params + args = params + elif self in (Tuple, Callable): + tvars = _type_vars(params) + args = params + elif self.__origin__ in (Generic, Protocol): + raise TypeError("Cannot subscript already-subscripted %s" % + repr(self)) + else: + _check_generic(self, params) + tvars = _type_vars(params) + args = params + + prepend = (self,) if self.__origin__ is None else () + return self.__class__(self.__name__, + prepend + self.__bases__, + _no_slots_copy(self.__dict__), + tvars=tvars, + args=args, + origin=self, + extra=self.__extra__, + orig_bases=self.__orig_bases__) + + class Protocol(metaclass=_ProtocolMeta): + """Base class for protocol classes. Protocol classes are defined as:: + + class Proto(Protocol): + def meth(self) -> int: + ... + + Such classes are primarily used with static type checkers that recognize + structural subtyping (static duck-typing), for example:: + + class C: + def meth(self) -> int: + return 0 + + def func(x: Proto) -> int: + return x.meth() + + func(C()) # Passes static type check + + See PEP 544 for details. Protocol classes decorated with + @typing_extensions.runtime act as simple-minded runtime protocol that checks + only the presence of given attributes, ignoring their type signatures. + + Protocol classes can be generic, they are defined as:: + + class GenProto({bases}): + def meth(self) -> T: + ... + """ + __slots__ = () + _is_protocol = True + + def __new__(cls, *args, **kwds): + if _gorg(cls) is Protocol: + raise TypeError("Type Protocol cannot be instantiated; " + "it can be used only as a base class") + if OLD_GENERICS: + return _generic_new(_next_in_mro(cls), cls, *args, **kwds) + return _generic_new(cls.__next_in_mro__, cls, *args, **kwds) + if Protocol.__doc__ is not None: + Protocol.__doc__ = Protocol.__doc__.format(bases="Protocol, Generic[T]" if + OLD_GENERICS else "Protocol[T]") + + +elif PEP_560: + from typing import _type_check, _GenericAlias, _collect_type_vars # noqa + + def _no_init(self, *args, **kwargs): + if type(self)._is_protocol: + raise TypeError('Protocols cannot be instantiated') + + class _ProtocolMeta(abc.ABCMeta): + # This metaclass is a bit unfortunate and exists only because of the lack + # of __instancehook__. + def __instancecheck__(cls, instance): + # We need this method for situations where attributes are + # assigned in __init__. + if ((not getattr(cls, '_is_protocol', False) or + _is_callable_members_only(cls)) and + issubclass(instance.__class__, cls)): + return True + if cls._is_protocol: + if all(hasattr(instance, attr) and + (not callable(getattr(cls, attr, None)) or + getattr(instance, attr) is not None) + for attr in _get_protocol_attrs(cls)): + return True + return super().__instancecheck__(instance) + + class Protocol(metaclass=_ProtocolMeta): + # There is quite a lot of overlapping code with typing.Generic. + # Unfortunately it is hard to avoid this while these live in two different + # modules. The duplicated code will be removed when Protocol is moved to typing. + """Base class for protocol classes. Protocol classes are defined as:: + + class Proto(Protocol): + def meth(self) -> int: + ... + + Such classes are primarily used with static type checkers that recognize + structural subtyping (static duck-typing), for example:: + + class C: + def meth(self) -> int: + return 0 + + def func(x: Proto) -> int: + return x.meth() + + func(C()) # Passes static type check + + See PEP 544 for details. Protocol classes decorated with + @typing_extensions.runtime act as simple-minded runtime protocol that checks + only the presence of given attributes, ignoring their type signatures. + + Protocol classes can be generic, they are defined as:: + + class GenProto(Protocol[T]): + def meth(self) -> T: + ... + """ + __slots__ = () + _is_protocol = True + + def __new__(cls, *args, **kwds): + if cls is Protocol: + raise TypeError("Type Protocol cannot be instantiated; " + "it can only be used as a base class") + return super().__new__(cls) + + @_tp_cache + def __class_getitem__(cls, params): + if not isinstance(params, tuple): + params = (params,) + if not params and cls is not Tuple: + raise TypeError( + "Parameter list to {}[...] cannot be empty".format(cls.__qualname__)) + msg = "Parameters to generic types must be types." + params = tuple(_type_check(p, msg) for p in params) + if cls is Protocol: + # Generic can only be subscripted with unique type variables. + if not all(isinstance(p, TypeVar) for p in params): + i = 0 + while isinstance(params[i], TypeVar): + i += 1 + raise TypeError( + "Parameters to Protocol[...] must all be type variables." + " Parameter {} is {}".format(i + 1, params[i])) + if len(set(params)) != len(params): + raise TypeError( + "Parameters to Protocol[...] must all be unique") + else: + # Subscripting a regular Generic subclass. + _check_generic(cls, params) + return _GenericAlias(cls, params) + + def __init_subclass__(cls, *args, **kwargs): + tvars = [] + if '__orig_bases__' in cls.__dict__: + error = Generic in cls.__orig_bases__ + else: + error = Generic in cls.__bases__ + if error: + raise TypeError("Cannot inherit from plain Generic") + if '__orig_bases__' in cls.__dict__: + tvars = _collect_type_vars(cls.__orig_bases__) + # Look for Generic[T1, ..., Tn] or Protocol[T1, ..., Tn]. + # If found, tvars must be a subset of it. + # If not found, tvars is it. + # Also check for and reject plain Generic, + # and reject multiple Generic[...] and/or Protocol[...]. + gvars = None + for base in cls.__orig_bases__: + if (isinstance(base, _GenericAlias) and + base.__origin__ in (Generic, Protocol)): + # for error messages + the_base = 'Generic' if base.__origin__ is Generic else 'Protocol' + if gvars is not None: + raise TypeError( + "Cannot inherit from Generic[...]" + " and/or Protocol[...] multiple types.") + gvars = base.__parameters__ + if gvars is None: + gvars = tvars + else: + tvarset = set(tvars) + gvarset = set(gvars) + if not tvarset <= gvarset: + s_vars = ', '.join(str(t) for t in tvars if t not in gvarset) + s_args = ', '.join(str(g) for g in gvars) + raise TypeError("Some type variables ({}) are" + " not listed in {}[{}]".format(s_vars, + the_base, s_args)) + tvars = gvars + cls.__parameters__ = tuple(tvars) + + # Determine if this is a protocol or a concrete subclass. + if not cls.__dict__.get('_is_protocol', None): + cls._is_protocol = any(b is Protocol for b in cls.__bases__) + + # Set (or override) the protocol subclass hook. + def _proto_hook(other): + if not cls.__dict__.get('_is_protocol', None): + return NotImplemented + if not getattr(cls, '_is_runtime_protocol', False): + if sys._getframe(2).f_globals['__name__'] in ['abc', 'functools']: + return NotImplemented + raise TypeError("Instance and class checks can only be used with" + " @runtime protocols") + if not _is_callable_members_only(cls): + if sys._getframe(2).f_globals['__name__'] in ['abc', 'functools']: + return NotImplemented + raise TypeError("Protocols with non-method members" + " don't support issubclass()") + if not isinstance(other, type): + # Same error as for issubclass(1, int) + raise TypeError('issubclass() arg 1 must be a class') + for attr in _get_protocol_attrs(cls): + for base in other.__mro__: + if attr in base.__dict__: + if base.__dict__[attr] is None: + return NotImplemented + break + annotations = getattr(base, '__annotations__', {}) + if (isinstance(annotations, typing.Mapping) and + attr in annotations and + isinstance(other, _ProtocolMeta) and + other._is_protocol): + break + else: + return NotImplemented + return True + if '__subclasshook__' not in cls.__dict__: + cls.__subclasshook__ = _proto_hook + + # We have nothing more to do for non-protocols. + if not cls._is_protocol: + return + + # Check consistency of bases. + for base in cls.__bases__: + if not (base in (object, Generic) or + base.__module__ == 'collections.abc' and + base.__name__ in _PROTO_WHITELIST or + isinstance(base, _ProtocolMeta) and base._is_protocol): + raise TypeError('Protocols can only inherit from other' + ' protocols, got %r' % base) + cls.__init__ = _no_init + + +if hasattr(typing, 'runtime_checkable'): + runtime_checkable = typing.runtime_checkable +elif HAVE_PROTOCOLS: + def runtime_checkable(cls): + """Mark a protocol class as a runtime protocol, so that it + can be used with isinstance() and issubclass(). Raise TypeError + if applied to a non-protocol class. + + This allows a simple-minded structural check very similar to the + one-offs in collections.abc such as Hashable. + """ + if not isinstance(cls, _ProtocolMeta) or not cls._is_protocol: + raise TypeError('@runtime_checkable can be only applied to protocol classes,' + ' got %r' % cls) + cls._is_runtime_protocol = True + return cls + + +if HAVE_PROTOCOLS: + # Exists for backwards compatibility. + runtime = runtime_checkable + + +if hasattr(typing, 'SupportsIndex'): + SupportsIndex = typing.SupportsIndex +elif HAVE_PROTOCOLS: + @runtime_checkable + class SupportsIndex(Protocol): + __slots__ = () + + @abc.abstractmethod + def __index__(self) -> int: + pass + + +if sys.version_info >= (3, 9, 2): + # The standard library TypedDict in Python 3.8 does not store runtime information + # about which (if any) keys are optional. See https://bugs.python.org/issue38834 + # The standard library TypedDict in Python 3.9.0/1 does not honour the "total" + # keyword with old-style TypedDict(). See https://bugs.python.org/issue42059 + TypedDict = typing.TypedDict +else: + def _check_fails(cls, other): + try: + if sys._getframe(1).f_globals['__name__'] not in ['abc', + 'functools', + 'typing']: + # Typed dicts are only for static structural subtyping. + raise TypeError('TypedDict does not support instance and class checks') + except (AttributeError, ValueError): + pass + return False + + def _dict_new(*args, **kwargs): + if not args: + raise TypeError('TypedDict.__new__(): not enough arguments') + _, args = args[0], args[1:] # allow the "cls" keyword be passed + return dict(*args, **kwargs) + + _dict_new.__text_signature__ = '($cls, _typename, _fields=None, /, **kwargs)' + + def _typeddict_new(*args, total=True, **kwargs): + if not args: + raise TypeError('TypedDict.__new__(): not enough arguments') + _, args = args[0], args[1:] # allow the "cls" keyword be passed + if args: + typename, args = args[0], args[1:] # allow the "_typename" keyword be passed + elif '_typename' in kwargs: + typename = kwargs.pop('_typename') + import warnings + warnings.warn("Passing '_typename' as keyword argument is deprecated", + DeprecationWarning, stacklevel=2) + else: + raise TypeError("TypedDict.__new__() missing 1 required positional " + "argument: '_typename'") + if args: + try: + fields, = args # allow the "_fields" keyword be passed + except ValueError: + raise TypeError('TypedDict.__new__() takes from 2 to 3 ' + 'positional arguments but {} ' + 'were given'.format(len(args) + 2)) + elif '_fields' in kwargs and len(kwargs) == 1: + fields = kwargs.pop('_fields') + import warnings + warnings.warn("Passing '_fields' as keyword argument is deprecated", + DeprecationWarning, stacklevel=2) + else: + fields = None + + if fields is None: + fields = kwargs + elif kwargs: + raise TypeError("TypedDict takes either a dict or keyword arguments," + " but not both") + + ns = {'__annotations__': dict(fields)} + try: + # Setting correct module is necessary to make typed dict classes pickleable. + ns['__module__'] = sys._getframe(1).f_globals.get('__name__', '__main__') + except (AttributeError, ValueError): + pass + + return _TypedDictMeta(typename, (), ns, total=total) + + _typeddict_new.__text_signature__ = ('($cls, _typename, _fields=None,' + ' /, *, total=True, **kwargs)') + + class _TypedDictMeta(type): + def __init__(cls, name, bases, ns, total=True): + # In Python 3.4 and 3.5 the __init__ method also needs to support the keyword arguments. + # See https://www.python.org/dev/peps/pep-0487/#implementation-details + super(_TypedDictMeta, cls).__init__(name, bases, ns) + + def __new__(cls, name, bases, ns, total=True): + # Create new typed dict class object. + # This method is called directly when TypedDict is subclassed, + # or via _typeddict_new when TypedDict is instantiated. This way + # TypedDict supports all three syntaxes described in its docstring. + # Subclasses and instances of TypedDict return actual dictionaries + # via _dict_new. + ns['__new__'] = _typeddict_new if name == 'TypedDict' else _dict_new + tp_dict = super(_TypedDictMeta, cls).__new__(cls, name, (dict,), ns) + + annotations = {} + own_annotations = ns.get('__annotations__', {}) + own_annotation_keys = set(own_annotations.keys()) + msg = "TypedDict('Name', {f0: t0, f1: t1, ...}); each t must be a type" + own_annotations = { + n: typing._type_check(tp, msg) for n, tp in own_annotations.items() + } + required_keys = set() + optional_keys = set() + + for base in bases: + annotations.update(base.__dict__.get('__annotations__', {})) + required_keys.update(base.__dict__.get('__required_keys__', ())) + optional_keys.update(base.__dict__.get('__optional_keys__', ())) + + annotations.update(own_annotations) + if total: + required_keys.update(own_annotation_keys) + else: + optional_keys.update(own_annotation_keys) + + tp_dict.__annotations__ = annotations + tp_dict.__required_keys__ = frozenset(required_keys) + tp_dict.__optional_keys__ = frozenset(optional_keys) + if not hasattr(tp_dict, '__total__'): + tp_dict.__total__ = total + return tp_dict + + __instancecheck__ = __subclasscheck__ = _check_fails + + TypedDict = _TypedDictMeta('TypedDict', (dict,), {}) + TypedDict.__module__ = __name__ + TypedDict.__doc__ = \ + """A simple typed name space. At runtime it is equivalent to a plain dict. + + TypedDict creates a dictionary type that expects all of its + instances to have a certain set of keys, with each key + associated with a value of a consistent type. This expectation + is not checked at runtime but is only enforced by type checkers. + Usage:: + + class Point2D(TypedDict): + x: int + y: int + label: str + + a: Point2D = {'x': 1, 'y': 2, 'label': 'good'} # OK + b: Point2D = {'z': 3, 'label': 'bad'} # Fails type check + + assert Point2D(x=1, y=2, label='first') == dict(x=1, y=2, label='first') + + The type info can be accessed via the Point2D.__annotations__ dict, and + the Point2D.__required_keys__ and Point2D.__optional_keys__ frozensets. + TypedDict supports two additional equivalent forms:: + + Point2D = TypedDict('Point2D', x=int, y=int, label=str) + Point2D = TypedDict('Point2D', {'x': int, 'y': int, 'label': str}) + + The class syntax is only supported in Python 3.6+, while two other + syntax forms work for Python 2.7 and 3.2+ + """ + + +# Python 3.9+ has PEP 593 (Annotated and modified get_type_hints) +if hasattr(typing, 'Annotated'): + Annotated = typing.Annotated + get_type_hints = typing.get_type_hints + # Not exported and not a public API, but needed for get_origin() and get_args() + # to work. + _AnnotatedAlias = typing._AnnotatedAlias +elif PEP_560: + class _AnnotatedAlias(typing._GenericAlias, _root=True): + """Runtime representation of an annotated type. + + At its core 'Annotated[t, dec1, dec2, ...]' is an alias for the type 't' + with extra annotations. The alias behaves like a normal typing alias, + instantiating is the same as instantiating the underlying type, binding + it to types is also the same. + """ + def __init__(self, origin, metadata): + if isinstance(origin, _AnnotatedAlias): + metadata = origin.__metadata__ + metadata + origin = origin.__origin__ + super().__init__(origin, origin) + self.__metadata__ = metadata + + def copy_with(self, params): + assert len(params) == 1 + new_type = params[0] + return _AnnotatedAlias(new_type, self.__metadata__) + + def __repr__(self): + return "typing_extensions.Annotated[{}, {}]".format( + typing._type_repr(self.__origin__), + ", ".join(repr(a) for a in self.__metadata__) + ) + + def __reduce__(self): + return operator.getitem, ( + Annotated, (self.__origin__,) + self.__metadata__ + ) + + def __eq__(self, other): + if not isinstance(other, _AnnotatedAlias): + return NotImplemented + if self.__origin__ != other.__origin__: + return False + return self.__metadata__ == other.__metadata__ + + def __hash__(self): + return hash((self.__origin__, self.__metadata__)) + + class Annotated: + """Add context specific metadata to a type. + + Example: Annotated[int, runtime_check.Unsigned] indicates to the + hypothetical runtime_check module that this type is an unsigned int. + Every other consumer of this type can ignore this metadata and treat + this type as int. + + The first argument to Annotated must be a valid type (and will be in + the __origin__ field), the remaining arguments are kept as a tuple in + the __extra__ field. + + Details: + + - It's an error to call `Annotated` with less than two arguments. + - Nested Annotated are flattened:: + + Annotated[Annotated[T, Ann1, Ann2], Ann3] == Annotated[T, Ann1, Ann2, Ann3] + + - Instantiating an annotated type is equivalent to instantiating the + underlying type:: + + Annotated[C, Ann1](5) == C(5) + + - Annotated can be used as a generic type alias:: + + Optimized = Annotated[T, runtime.Optimize()] + Optimized[int] == Annotated[int, runtime.Optimize()] + + OptimizedList = Annotated[List[T], runtime.Optimize()] + OptimizedList[int] == Annotated[List[int], runtime.Optimize()] + """ + + __slots__ = () + + def __new__(cls, *args, **kwargs): + raise TypeError("Type Annotated cannot be instantiated.") + + @_tp_cache + def __class_getitem__(cls, params): + if not isinstance(params, tuple) or len(params) < 2: + raise TypeError("Annotated[...] should be used " + "with at least two arguments (a type and an " + "annotation).") + msg = "Annotated[t, ...]: t must be a type." + origin = typing._type_check(params[0], msg) + metadata = tuple(params[1:]) + return _AnnotatedAlias(origin, metadata) + + def __init_subclass__(cls, *args, **kwargs): + raise TypeError( + "Cannot subclass {}.Annotated".format(cls.__module__) + ) + + def _strip_annotations(t): + """Strips the annotations from a given type. + """ + if isinstance(t, _AnnotatedAlias): + return _strip_annotations(t.__origin__) + if isinstance(t, typing._GenericAlias): + stripped_args = tuple(_strip_annotations(a) for a in t.__args__) + if stripped_args == t.__args__: + return t + res = t.copy_with(stripped_args) + res._special = t._special + return res + return t + + def get_type_hints(obj, globalns=None, localns=None, include_extras=False): + """Return type hints for an object. + + This is often the same as obj.__annotations__, but it handles + forward references encoded as string literals, adds Optional[t] if a + default value equal to None is set and recursively replaces all + 'Annotated[T, ...]' with 'T' (unless 'include_extras=True'). + + The argument may be a module, class, method, or function. The annotations + are returned as a dictionary. For classes, annotations include also + inherited members. + + TypeError is raised if the argument is not of a type that can contain + annotations, and an empty dictionary is returned if no annotations are + present. + + BEWARE -- the behavior of globalns and localns is counterintuitive + (unless you are familiar with how eval() and exec() work). The + search order is locals first, then globals. + + - If no dict arguments are passed, an attempt is made to use the + globals from obj (or the respective module's globals for classes), + and these are also used as the locals. If the object does not appear + to have globals, an empty dictionary is used. + + - If one dict argument is passed, it is used for both globals and + locals. + + - If two dict arguments are passed, they specify globals and + locals, respectively. + """ + hint = typing.get_type_hints(obj, globalns=globalns, localns=localns) + if include_extras: + return hint + return {k: _strip_annotations(t) for k, t in hint.items()} + +elif HAVE_ANNOTATED: + + def _is_dunder(name): + """Returns True if name is a __dunder_variable_name__.""" + return len(name) > 4 and name.startswith('__') and name.endswith('__') + + # Prior to Python 3.7 types did not have `copy_with`. A lot of the equality + # checks, argument expansion etc. are done on the _subs_tre. As a result we + # can't provide a get_type_hints function that strips out annotations. + + class AnnotatedMeta(typing.GenericMeta): + """Metaclass for Annotated""" + + def __new__(cls, name, bases, namespace, **kwargs): + if any(b is not object for b in bases): + raise TypeError("Cannot subclass " + str(Annotated)) + return super().__new__(cls, name, bases, namespace, **kwargs) + + @property + def __metadata__(self): + return self._subs_tree()[2] + + def _tree_repr(self, tree): + cls, origin, metadata = tree + if not isinstance(origin, tuple): + tp_repr = typing._type_repr(origin) + else: + tp_repr = origin[0]._tree_repr(origin) + metadata_reprs = ", ".join(repr(arg) for arg in metadata) + return '%s[%s, %s]' % (cls, tp_repr, metadata_reprs) + + def _subs_tree(self, tvars=None, args=None): # noqa + if self is Annotated: + return Annotated + res = super()._subs_tree(tvars=tvars, args=args) + # Flatten nested Annotated + if isinstance(res[1], tuple) and res[1][0] is Annotated: + sub_tp = res[1][1] + sub_annot = res[1][2] + return (Annotated, sub_tp, sub_annot + res[2]) + return res + + def _get_cons(self): + """Return the class used to create instance of this type.""" + if self.__origin__ is None: + raise TypeError("Cannot get the underlying type of a " + "non-specialized Annotated type.") + tree = self._subs_tree() + while isinstance(tree, tuple) and tree[0] is Annotated: + tree = tree[1] + if isinstance(tree, tuple): + return tree[0] + else: + return tree + + @_tp_cache + def __getitem__(self, params): + if not isinstance(params, tuple): + params = (params,) + if self.__origin__ is not None: # specializing an instantiated type + return super().__getitem__(params) + elif not isinstance(params, tuple) or len(params) < 2: + raise TypeError("Annotated[...] should be instantiated " + "with at least two arguments (a type and an " + "annotation).") + else: + msg = "Annotated[t, ...]: t must be a type." + tp = typing._type_check(params[0], msg) + metadata = tuple(params[1:]) + return self.__class__( + self.__name__, + self.__bases__, + _no_slots_copy(self.__dict__), + tvars=_type_vars((tp,)), + # Metadata is a tuple so it won't be touched by _replace_args et al. + args=(tp, metadata), + origin=self, + ) + + def __call__(self, *args, **kwargs): + cons = self._get_cons() + result = cons(*args, **kwargs) + try: + result.__orig_class__ = self + except AttributeError: + pass + return result + + def __getattr__(self, attr): + # For simplicity we just don't relay all dunder names + if self.__origin__ is not None and not _is_dunder(attr): + return getattr(self._get_cons(), attr) + raise AttributeError(attr) + + def __setattr__(self, attr, value): + if _is_dunder(attr) or attr.startswith('_abc_'): + super().__setattr__(attr, value) + elif self.__origin__ is None: + raise AttributeError(attr) + else: + setattr(self._get_cons(), attr, value) + + def __instancecheck__(self, obj): + raise TypeError("Annotated cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("Annotated cannot be used with issubclass().") + + class Annotated(metaclass=AnnotatedMeta): + """Add context specific metadata to a type. + + Example: Annotated[int, runtime_check.Unsigned] indicates to the + hypothetical runtime_check module that this type is an unsigned int. + Every other consumer of this type can ignore this metadata and treat + this type as int. + + The first argument to Annotated must be a valid type, the remaining + arguments are kept as a tuple in the __metadata__ field. + + Details: + + - It's an error to call `Annotated` with less than two arguments. + - Nested Annotated are flattened:: + + Annotated[Annotated[T, Ann1, Ann2], Ann3] == Annotated[T, Ann1, Ann2, Ann3] + + - Instantiating an annotated type is equivalent to instantiating the + underlying type:: + + Annotated[C, Ann1](5) == C(5) + + - Annotated can be used as a generic type alias:: + + Optimized = Annotated[T, runtime.Optimize()] + Optimized[int] == Annotated[int, runtime.Optimize()] + + OptimizedList = Annotated[List[T], runtime.Optimize()] + OptimizedList[int] == Annotated[List[int], runtime.Optimize()] + """ + +# Python 3.8 has get_origin() and get_args() but those implementations aren't +# Annotated-aware, so we can't use those, only Python 3.9 versions will do. +# Similarly, Python 3.9's implementation doesn't support ParamSpecArgs and +# ParamSpecKwargs. +if sys.version_info[:2] >= (3, 10): + get_origin = typing.get_origin + get_args = typing.get_args +elif PEP_560: + from typing import _GenericAlias + try: + # 3.9+ + from typing import _BaseGenericAlias + except ImportError: + _BaseGenericAlias = _GenericAlias + try: + # 3.9+ + from typing import GenericAlias + except ImportError: + GenericAlias = _GenericAlias + + def get_origin(tp): + """Get the unsubscripted version of a type. + + This supports generic types, Callable, Tuple, Union, Literal, Final, ClassVar + and Annotated. Return None for unsupported types. Examples:: + + get_origin(Literal[42]) is Literal + get_origin(int) is None + get_origin(ClassVar[int]) is ClassVar + get_origin(Generic) is Generic + get_origin(Generic[T]) is Generic + get_origin(Union[T, int]) is Union + get_origin(List[Tuple[T, T]][int]) == list + get_origin(P.args) is P + """ + if isinstance(tp, _AnnotatedAlias): + return Annotated + if isinstance(tp, (_GenericAlias, GenericAlias, _BaseGenericAlias, + ParamSpecArgs, ParamSpecKwargs)): + return tp.__origin__ + if tp is Generic: + return Generic + return None + + def get_args(tp): + """Get type arguments with all substitutions performed. + + For unions, basic simplifications used by Union constructor are performed. + Examples:: + get_args(Dict[str, int]) == (str, int) + get_args(int) == () + get_args(Union[int, Union[T, int], str][int]) == (int, str) + get_args(Union[int, Tuple[T, int]][str]) == (int, Tuple[str, int]) + get_args(Callable[[], T][int]) == ([], int) + """ + if isinstance(tp, _AnnotatedAlias): + return (tp.__origin__,) + tp.__metadata__ + if isinstance(tp, (_GenericAlias, GenericAlias)): + if getattr(tp, "_special", False): + return () + res = tp.__args__ + if get_origin(tp) is collections.abc.Callable and res[0] is not Ellipsis: + res = (list(res[:-1]), res[-1]) + return res + return () + + +if hasattr(typing, 'TypeAlias'): + TypeAlias = typing.TypeAlias +elif sys.version_info[:2] >= (3, 9): + class _TypeAliasForm(typing._SpecialForm, _root=True): + def __repr__(self): + return 'typing_extensions.' + self._name + + @_TypeAliasForm + def TypeAlias(self, parameters): + """Special marker indicating that an assignment should + be recognized as a proper type alias definition by type + checkers. + + For example:: + + Predicate: TypeAlias = Callable[..., bool] + + It's invalid when used anywhere except as in the example above. + """ + raise TypeError("{} is not subscriptable".format(self)) + +elif sys.version_info[:2] >= (3, 7): + class _TypeAliasForm(typing._SpecialForm, _root=True): + def __repr__(self): + return 'typing_extensions.' + self._name + + TypeAlias = _TypeAliasForm('TypeAlias', + doc="""Special marker indicating that an assignment should + be recognized as a proper type alias definition by type + checkers. + + For example:: + + Predicate: TypeAlias = Callable[..., bool] + + It's invalid when used anywhere except as in the example + above.""") + +elif hasattr(typing, '_FinalTypingBase'): + class _TypeAliasMeta(typing.TypingMeta): + """Metaclass for TypeAlias""" + + def __repr__(self): + return 'typing_extensions.TypeAlias' + + class _TypeAliasBase(typing._FinalTypingBase, metaclass=_TypeAliasMeta, _root=True): + """Special marker indicating that an assignment should + be recognized as a proper type alias definition by type + checkers. + + For example:: + + Predicate: TypeAlias = Callable[..., bool] + + It's invalid when used anywhere except as in the example above. + """ + __slots__ = () + + def __instancecheck__(self, obj): + raise TypeError("TypeAlias cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("TypeAlias cannot be used with issubclass().") + + def __repr__(self): + return 'typing_extensions.TypeAlias' + + TypeAlias = _TypeAliasBase(_root=True) +else: + class _TypeAliasMeta(typing.TypingMeta): + """Metaclass for TypeAlias""" + + def __instancecheck__(self, obj): + raise TypeError("TypeAlias cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("TypeAlias cannot be used with issubclass().") + + def __call__(self, *args, **kwargs): + raise TypeError("Cannot instantiate TypeAlias") + + class TypeAlias(metaclass=_TypeAliasMeta, _root=True): + """Special marker indicating that an assignment should + be recognized as a proper type alias definition by type + checkers. + + For example:: + + Predicate: TypeAlias = Callable[..., bool] + + It's invalid when used anywhere except as in the example above. + """ + __slots__ = () + + +# Python 3.10+ has PEP 612 +if hasattr(typing, 'ParamSpecArgs'): + ParamSpecArgs = typing.ParamSpecArgs + ParamSpecKwargs = typing.ParamSpecKwargs +else: + class _Immutable: + """Mixin to indicate that object should not be copied.""" + __slots__ = () + + def __copy__(self): + return self + + def __deepcopy__(self, memo): + return self + + class ParamSpecArgs(_Immutable): + """The args for a ParamSpec object. + + Given a ParamSpec object P, P.args is an instance of ParamSpecArgs. + + ParamSpecArgs objects have a reference back to their ParamSpec: + + P.args.__origin__ is P + + This type is meant for runtime introspection and has no special meaning to + static type checkers. + """ + def __init__(self, origin): + self.__origin__ = origin + + def __repr__(self): + return "{}.args".format(self.__origin__.__name__) + + class ParamSpecKwargs(_Immutable): + """The kwargs for a ParamSpec object. + + Given a ParamSpec object P, P.kwargs is an instance of ParamSpecKwargs. + + ParamSpecKwargs objects have a reference back to their ParamSpec: + + P.kwargs.__origin__ is P + + This type is meant for runtime introspection and has no special meaning to + static type checkers. + """ + def __init__(self, origin): + self.__origin__ = origin + + def __repr__(self): + return "{}.kwargs".format(self.__origin__.__name__) + +if hasattr(typing, 'ParamSpec'): + ParamSpec = typing.ParamSpec +else: + + # Inherits from list as a workaround for Callable checks in Python < 3.9.2. + class ParamSpec(list): + """Parameter specification variable. + + Usage:: + + P = ParamSpec('P') + + Parameter specification variables exist primarily for the benefit of static + type checkers. They are used to forward the parameter types of one + callable to another callable, a pattern commonly found in higher order + functions and decorators. They are only valid when used in ``Concatenate``, + or s the first argument to ``Callable``. In Python 3.10 and higher, + they are also supported in user-defined Generics at runtime. + See class Generic for more information on generic types. An + example for annotating a decorator:: + + T = TypeVar('T') + P = ParamSpec('P') + + def add_logging(f: Callable[P, T]) -> Callable[P, T]: + '''A type-safe decorator to add logging to a function.''' + def inner(*args: P.args, **kwargs: P.kwargs) -> T: + logging.info(f'{f.__name__} was called') + return f(*args, **kwargs) + return inner + + @add_logging + def add_two(x: float, y: float) -> float: + '''Add two numbers together.''' + return x + y + + Parameter specification variables defined with covariant=True or + contravariant=True can be used to declare covariant or contravariant + generic types. These keyword arguments are valid, but their actual semantics + are yet to be decided. See PEP 612 for details. + + Parameter specification variables can be introspected. e.g.: + + P.__name__ == 'T' + P.__bound__ == None + P.__covariant__ == False + P.__contravariant__ == False + + Note that only parameter specification variables defined in global scope can + be pickled. + """ + + @property + def args(self): + return ParamSpecArgs(self) + + @property + def kwargs(self): + return ParamSpecKwargs(self) + + def __init__(self, name, *, bound=None, covariant=False, contravariant=False): + super().__init__([self]) + self.__name__ = name + self.__covariant__ = bool(covariant) + self.__contravariant__ = bool(contravariant) + if bound: + self.__bound__ = typing._type_check(bound, 'Bound must be a type.') + else: + self.__bound__ = None + + # for pickling: + try: + def_mod = sys._getframe(1).f_globals.get('__name__', '__main__') + except (AttributeError, ValueError): + def_mod = None + if def_mod != 'typing_extensions': + self.__module__ = def_mod + + def __repr__(self): + if self.__covariant__: + prefix = '+' + elif self.__contravariant__: + prefix = '-' + else: + prefix = '~' + return prefix + self.__name__ + + def __hash__(self): + return object.__hash__(self) + + def __eq__(self, other): + return self is other + + def __reduce__(self): + return self.__name__ + + # Hack to get typing._type_check to pass. + def __call__(self, *args, **kwargs): + pass + + # Note: Can't fake ParamSpec as a TypeVar to get it to work + # with Generics. ParamSpec isn't an instance of TypeVar in 3.10. + # So encouraging code like isinstance(ParamSpec('P'), TypeVar)) + # will lead to breakage in 3.10. + # This also means no accurate __parameters__ for GenericAliases. + +# Inherits from list as a workaround for Callable checks in Python < 3.9.2. +class _ConcatenateGenericAlias(list): + def __init__(self, origin, args): + super().__init__(args) + self.__origin__ = origin + self.__args__ = args + + def __repr__(self): + _type_repr = typing._type_repr + return '{origin}[{args}]' \ + .format(origin=_type_repr(self.__origin__), + args=', '.join(_type_repr(arg) for arg in self.__args__)) + + def __hash__(self): + return hash((self.__origin__, self.__args__)) + +@_tp_cache +def _concatenate_getitem(self, parameters): + if parameters == (): + raise TypeError("Cannot take a Concatenate of no types.") + if not isinstance(parameters, tuple): + parameters = (parameters,) + if not isinstance(parameters[-1], ParamSpec): + raise TypeError("The last parameter to Concatenate should be a " + "ParamSpec variable.") + msg = "Concatenate[arg, ...]: each arg must be a type." + parameters = tuple(typing._type_check(p, msg) for p in parameters) + return _ConcatenateGenericAlias(self, parameters) + + +if hasattr(typing, 'Concatenate'): + Concatenate = typing.Concatenate + _ConcatenateGenericAlias = typing._ConcatenateGenericAlias # noqa +elif sys.version_info[:2] >= (3, 9): + @_TypeAliasForm + def Concatenate(self, parameters): + """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a + higher order function which adds, removes or transforms parameters of a + callable. + + For example:: + + Callable[Concatenate[int, P], int] + + See PEP 612 for detailed information. + """ + return _concatenate_getitem(self, parameters) + +elif sys.version_info[:2] >= (3, 7): + class _ConcatenateForm(typing._SpecialForm, _root=True): + def __repr__(self): + return 'typing_extensions.' + self._name + + def __getitem__(self, parameters): + return _concatenate_getitem(self, parameters) + + Concatenate = _ConcatenateForm('Concatenate', + doc="""Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a + higher order function which adds, removes or transforms parameters of a + callable. + + For example:: + + Callable[Concatenate[int, P], int] + + See PEP 612 for detailed information. + """) + +elif hasattr(typing, '_FinalTypingBase'): + class _ConcatenateAliasMeta(typing.TypingMeta): + """Metaclass for Concatenate.""" + + def __repr__(self): + return 'typing_extensions.Concatenate' + + class _ConcatenateAliasBase(typing._FinalTypingBase, + metaclass=_ConcatenateAliasMeta, + _root=True): + """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a + higher order function which adds, removes or transforms parameters of a + callable. + + For example:: + + Callable[Concatenate[int, P], int] + + See PEP 612 for detailed information. + """ + __slots__ = () + + def __instancecheck__(self, obj): + raise TypeError("Concatenate cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("Concatenate cannot be used with issubclass().") + + def __repr__(self): + return 'typing_extensions.Concatenate' + + def __getitem__(self, parameters): + return _concatenate_getitem(self, parameters) + + Concatenate = _ConcatenateAliasBase(_root=True) +# For 3.5.0 - 3.5.2 +else: + class _ConcatenateAliasMeta(typing.TypingMeta): + """Metaclass for Concatenate.""" + + def __instancecheck__(self, obj): + raise TypeError("TypeAlias cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("TypeAlias cannot be used with issubclass().") + + def __call__(self, *args, **kwargs): + raise TypeError("Cannot instantiate TypeAlias") + + def __getitem__(self, parameters): + return _concatenate_getitem(self, parameters) + + class Concatenate(metaclass=_ConcatenateAliasMeta, _root=True): + """Used in conjunction with ``ParamSpec`` and ``Callable`` to represent a + higher order function which adds, removes or transforms parameters of a + callable. + + For example:: + + Callable[Concatenate[int, P], int] + + See PEP 612 for detailed information. + """ + __slots__ = () + +if hasattr(typing, 'TypeGuard'): + TypeGuard = typing.TypeGuard +elif sys.version_info[:2] >= (3, 9): + class _TypeGuardForm(typing._SpecialForm, _root=True): + def __repr__(self): + return 'typing_extensions.' + self._name + + @_TypeGuardForm + def TypeGuard(self, parameters): + """Special typing form used to annotate the return type of a user-defined + type guard function. ``TypeGuard`` only accepts a single type argument. + At runtime, functions marked this way should return a boolean. + + ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static + type checkers to determine a more precise type of an expression within a + program's code flow. Usually type narrowing is done by analyzing + conditional code flow and applying the narrowing to a block of code. The + conditional expression here is sometimes referred to as a "type guard". + + Sometimes it would be convenient to use a user-defined boolean function + as a type guard. Such a function should use ``TypeGuard[...]`` as its + return type to alert static type checkers to this intention. + + Using ``-> TypeGuard`` tells the static type checker that for a given + function: + + 1. The return value is a boolean. + 2. If the return value is ``True``, the type of its argument + is the type inside ``TypeGuard``. + + For example:: + + def is_str(val: Union[str, float]): + # "isinstance" type guard + if isinstance(val, str): + # Type of ``val`` is narrowed to ``str`` + ... + else: + # Else, type of ``val`` is narrowed to ``float``. + ... + + Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower + form of ``TypeA`` (it can even be a wider form) and this may lead to + type-unsafe results. The main reason is to allow for things like + narrowing ``List[object]`` to ``List[str]`` even though the latter is not + a subtype of the former, since ``List`` is invariant. The responsibility of + writing type-safe type guards is left to the user. + + ``TypeGuard`` also works with type variables. For more information, see + PEP 647 (User-Defined Type Guards). + """ + item = typing._type_check(parameters, '{} accepts only single type.'.format(self)) + return _GenericAlias(self, (item,)) + +elif sys.version_info[:2] >= (3, 7): + class _TypeGuardForm(typing._SpecialForm, _root=True): + + def __repr__(self): + return 'typing_extensions.' + self._name + + def __getitem__(self, parameters): + item = typing._type_check(parameters, + '{} accepts only a single type'.format(self._name)) + return _GenericAlias(self, (item,)) + + TypeGuard = _TypeGuardForm( + 'TypeGuard', + doc="""Special typing form used to annotate the return type of a user-defined + type guard function. ``TypeGuard`` only accepts a single type argument. + At runtime, functions marked this way should return a boolean. + + ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static + type checkers to determine a more precise type of an expression within a + program's code flow. Usually type narrowing is done by analyzing + conditional code flow and applying the narrowing to a block of code. The + conditional expression here is sometimes referred to as a "type guard". + + Sometimes it would be convenient to use a user-defined boolean function + as a type guard. Such a function should use ``TypeGuard[...]`` as its + return type to alert static type checkers to this intention. + + Using ``-> TypeGuard`` tells the static type checker that for a given + function: + + 1. The return value is a boolean. + 2. If the return value is ``True``, the type of its argument + is the type inside ``TypeGuard``. + + For example:: + + def is_str(val: Union[str, float]): + # "isinstance" type guard + if isinstance(val, str): + # Type of ``val`` is narrowed to ``str`` + ... + else: + # Else, type of ``val`` is narrowed to ``float``. + ... + + Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower + form of ``TypeA`` (it can even be a wider form) and this may lead to + type-unsafe results. The main reason is to allow for things like + narrowing ``List[object]`` to ``List[str]`` even though the latter is not + a subtype of the former, since ``List`` is invariant. The responsibility of + writing type-safe type guards is left to the user. + + ``TypeGuard`` also works with type variables. For more information, see + PEP 647 (User-Defined Type Guards). + """) +elif hasattr(typing, '_FinalTypingBase'): + class _TypeGuard(typing._FinalTypingBase, _root=True): + """Special typing form used to annotate the return type of a user-defined + type guard function. ``TypeGuard`` only accepts a single type argument. + At runtime, functions marked this way should return a boolean. + + ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static + type checkers to determine a more precise type of an expression within a + program's code flow. Usually type narrowing is done by analyzing + conditional code flow and applying the narrowing to a block of code. The + conditional expression here is sometimes referred to as a "type guard". + + Sometimes it would be convenient to use a user-defined boolean function + as a type guard. Such a function should use ``TypeGuard[...]`` as its + return type to alert static type checkers to this intention. + + Using ``-> TypeGuard`` tells the static type checker that for a given + function: + + 1. The return value is a boolean. + 2. If the return value is ``True``, the type of its argument + is the type inside ``TypeGuard``. + + For example:: + + def is_str(val: Union[str, float]): + # "isinstance" type guard + if isinstance(val, str): + # Type of ``val`` is narrowed to ``str`` + ... + else: + # Else, type of ``val`` is narrowed to ``float``. + ... + + Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower + form of ``TypeA`` (it can even be a wider form) and this may lead to + type-unsafe results. The main reason is to allow for things like + narrowing ``List[object]`` to ``List[str]`` even though the latter is not + a subtype of the former, since ``List`` is invariant. The responsibility of + writing type-safe type guards is left to the user. + + ``TypeGuard`` also works with type variables. For more information, see + PEP 647 (User-Defined Type Guards). + """ + + __slots__ = ('__type__',) + + def __init__(self, tp=None, **kwds): + self.__type__ = tp + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is None: + return cls(typing._type_check(item, + '{} accepts only a single type.'.format(cls.__name__[1:])), + _root=True) + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(new_tp, _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not isinstance(other, _TypeGuard): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + TypeGuard = _TypeGuard(_root=True) +else: + class _TypeGuardMeta(typing.TypingMeta): + """Metaclass for TypeGuard""" + + def __new__(cls, name, bases, namespace, tp=None, _root=False): + self = super().__new__(cls, name, bases, namespace, _root=_root) + if tp is not None: + self.__type__ = tp + return self + + def __instancecheck__(self, obj): + raise TypeError("TypeGuard cannot be used with isinstance().") + + def __subclasscheck__(self, cls): + raise TypeError("TypeGuard cannot be used with issubclass().") + + def __getitem__(self, item): + cls = type(self) + if self.__type__ is not None: + raise TypeError('{} cannot be further subscripted' + .format(cls.__name__[1:])) + + param = typing._type_check( + item, + '{} accepts only single type.'.format(cls.__name__[1:])) + return cls(self.__name__, self.__bases__, + dict(self.__dict__), tp=param, _root=True) + + def _eval_type(self, globalns, localns): + new_tp = typing._eval_type(self.__type__, globalns, localns) + if new_tp == self.__type__: + return self + return type(self)(self.__name__, self.__bases__, + dict(self.__dict__), tp=self.__type__, + _root=True) + + def __repr__(self): + r = super().__repr__() + if self.__type__ is not None: + r += '[{}]'.format(typing._type_repr(self.__type__)) + return r + + def __hash__(self): + return hash((type(self).__name__, self.__type__)) + + def __eq__(self, other): + if not hasattr(other, "__type__"): + return NotImplemented + if self.__type__ is not None: + return self.__type__ == other.__type__ + return self is other + + class TypeGuard(typing.Final, metaclass=_TypeGuardMeta, _root=True): + """Special typing form used to annotate the return type of a user-defined + type guard function. ``TypeGuard`` only accepts a single type argument. + At runtime, functions marked this way should return a boolean. + + ``TypeGuard`` aims to benefit *type narrowing* -- a technique used by static + type checkers to determine a more precise type of an expression within a + program's code flow. Usually type narrowing is done by analyzing + conditional code flow and applying the narrowing to a block of code. The + conditional expression here is sometimes referred to as a "type guard". + + Sometimes it would be convenient to use a user-defined boolean function + as a type guard. Such a function should use ``TypeGuard[...]`` as its + return type to alert static type checkers to this intention. + + Using ``-> TypeGuard`` tells the static type checker that for a given + function: + + 1. The return value is a boolean. + 2. If the return value is ``True``, the type of its argument + is the type inside ``TypeGuard``. + + For example:: + + def is_str(val: Union[str, float]): + # "isinstance" type guard + if isinstance(val, str): + # Type of ``val`` is narrowed to ``str`` + ... + else: + # Else, type of ``val`` is narrowed to ``float``. + ... + + Strict type narrowing is not enforced -- ``TypeB`` need not be a narrower + form of ``TypeA`` (it can even be a wider form) and this may lead to + type-unsafe results. The main reason is to allow for things like + narrowing ``List[object]`` to ``List[str]`` even though the latter is not + a subtype of the former, since ``List`` is invariant. The responsibility of + writing type-safe type guards is left to the user. + + ``TypeGuard`` also works with type variables. For more information, see + PEP 647 (User-Defined Type Guards). + """ + __type__ = None diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/LICENSE.md b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/LICENSE.md new file mode 100644 index 0000000..37edac5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/LICENSE.md @@ -0,0 +1,27 @@ +Copyright © 2017-present, [Encode OSS Ltd](http://www.encode.io/). +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +* Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/METADATA b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/METADATA new file mode 100644 index 0000000..704fbf6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/METADATA @@ -0,0 +1,128 @@ +Metadata-Version: 2.1 +Name: uvicorn +Version: 0.15.0 +Summary: The lightning-fast ASGI server. +Home-page: https://www.uvicorn.org/ +Author: Tom Christie +Author-email: tom@tomchristie.com +License: BSD +Project-URL: Funding, https://github.com/sponsors/encode +Project-URL: Source, https://github.com/encode/uvicorn +Project-URL: Changelog, https://github.com/encode/uvicorn/blob/master/CHANGELOG.md +Platform: UNKNOWN +Classifier: Development Status :: 4 - Beta +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: License :: OSI Approved :: BSD License +Classifier: Operating System :: OS Independent +Classifier: Topic :: Internet :: WWW/HTTP +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy +Description-Content-Type: text/markdown +Requires-Dist: asgiref (>=3.4.0) +Requires-Dist: click (>=7.0) +Requires-Dist: h11 (>=0.8) +Requires-Dist: typing-extensions ; python_version < "3.8" +Provides-Extra: standard +Requires-Dist: websockets (>=9.1) ; extra == 'standard' +Requires-Dist: httptools (==0.2.*) ; extra == 'standard' +Requires-Dist: watchgod (>=0.6) ; extra == 'standard' +Requires-Dist: python-dotenv (>=0.13) ; extra == 'standard' +Requires-Dist: PyYAML (>=5.1) ; extra == 'standard' +Requires-Dist: uvloop (!=0.15.0,!=0.15.1,>=0.14.0) ; (sys_platform != "win32" and (sys_platform != "cygwin" and platform_python_implementation != "PyPy")) and extra == 'standard' +Requires-Dist: colorama (>=0.4) ; (sys_platform == "win32") and extra == 'standard' + +

    + uvicorn +

    + +

    +The lightning-fast ASGI server. +

    + +--- + +[![Build Status](https://github.com/encode/uvicorn/workflows/Test%20Suite/badge.svg)](https://github.com/encode/uvicorn/actions) +[![Package version](https://badge.fury.io/py/uvicorn.svg)](https://pypi.python.org/pypi/uvicorn) + +**Documentation**: [https://www.uvicorn.org](https://www.uvicorn.org) + +**Requirements**: Python 3.6+ (For Python 3.5 support, install version 0.8.6.) + +Uvicorn is a lightning-fast ASGI server implementation, using [uvloop][uvloop] and [httptools][httptools]. + +Until recently Python has lacked a minimal low-level server/application interface for +asyncio frameworks. The [ASGI specification][asgi] fills this gap, and means we're now able to +start building a common set of tooling usable across all asyncio frameworks. + +Uvicorn currently supports HTTP/1.1 and WebSockets. Support for HTTP/2 is planned. + +## Quickstart + +Install using `pip`: + +```shell +$ pip install uvicorn +``` + +This will install uvicorn with minimal (pure Python) dependencies. + +```shell +$ pip install uvicorn[standard] +``` + +This will install uvicorn with "Cython-based" dependencies (where possible) and other "optional extras". + +In this context, "Cython-based" means the following: + +- the event loop `uvloop` will be installed and used if possible. +- the http protocol will be handled by `httptools` if possible. + +Moreover, "optional extras" means that: + +- the websocket protocol will be handled by `websockets` (should you want to use `wsproto` you'd need to install it manually) if possible. +- the `--reloader` flag in development mode will use `watchgod`. +- windows users will have `colorama` installed for the colored logs. +- `python-dotenv` will be installed should you want to use the `--env-file` option. +- `PyYAML` will be installed to allow you to provide a `.yaml` file to `--log-config`, if desired. + +Create an application, in `example.py`: + +```python +async def app(scope, receive, send): + assert scope['type'] == 'http' + + await send({ + 'type': 'http.response.start', + 'status': 200, + 'headers': [ + [b'content-type', b'text/plain'], + ], + }) + await send({ + 'type': 'http.response.body', + 'body': b'Hello, world!', + }) +``` + +Run the server: + +```shell +$ uvicorn example:app +``` + +--- + +

    Uvicorn is BSD licensed code.
    Designed & built in Brighton, England.
    — 🦄 —

    + +[uvloop]: https://github.com/MagicStack/uvloop +[httptools]: https://github.com/MagicStack/httptools +[asgi]: https://asgi.readthedocs.io/en/latest/ + + diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/RECORD new file mode 100644 index 0000000..8402e6d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/RECORD @@ -0,0 +1,91 @@ +../../../bin/uvicorn,sha256=9a5Ri4xVthSJCRibDK9xjCRlO531ATeLbUT1H30cmyw,242 +uvicorn-0.15.0.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +uvicorn-0.15.0.dist-info/LICENSE.md,sha256=er_Yxh9--QgfwWqJwXSYAYICU0lwug_wy0kwGfiSf_A,1525 +uvicorn-0.15.0.dist-info/METADATA,sha256=MhlGukKWwUEkN3VV3q2in37jTI_65Jms_MElwPVSQjU,4703 +uvicorn-0.15.0.dist-info/RECORD,, +uvicorn-0.15.0.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 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+uvicorn/supervisors/statreload.py,sha256=kQK9Bj6Tlum--QRkTYBrTEtApRg7S0CKMePF7QofVA8,1642 +uvicorn/supervisors/watchgodreload.py,sha256=BB4t29DndnLMbR3dyS2asVzbsINUMktZL3nDh5-blso,5396 +uvicorn/workers.py,sha256=_QU8RWQjH3Mq3D2xLqQ6JrPg_HxPFhXg2TR-JvUzaGk,3185 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/WHEEL new file mode 100644 index 0000000..5bad85f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.37.0) +Root-Is-Purelib: true +Tag: py3-none-any + diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/entry_points.txt b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/entry_points.txt new file mode 100644 index 0000000..d323115 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/entry_points.txt @@ -0,0 +1,4 @@ + + [console_scripts] + uvicorn=uvicorn.main:main + \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/top_level.txt new file mode 100644 index 0000000..82edc19 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn-0.15.0.dist-info/top_level.txt @@ -0,0 +1,9 @@ +uvicorn +uvicorn/_handlers +uvicorn/lifespan +uvicorn/loops +uvicorn/middleware +uvicorn/protocols +uvicorn/protocols/http +uvicorn/protocols/websockets +uvicorn/supervisors diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/__init__.py new file mode 100644 index 0000000..c4c06cc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/__init__.py @@ -0,0 +1,5 @@ +from uvicorn.config import Config +from uvicorn.main import Server, main, run + +__version__ = "0.15.0" +__all__ = ["main", "run", "Config", "Server"] diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/__main__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/__main__.py new file mode 100644 index 0000000..8a1dc97 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/__main__.py @@ -0,0 +1,4 @@ +import uvicorn + +if __name__ == "__main__": + uvicorn.main() diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/_handlers/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/_handlers/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/_handlers/http.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/_handlers/http.py new file mode 100644 index 0000000..e810f66 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/_handlers/http.py @@ -0,0 +1,99 @@ +import asyncio +from typing import TYPE_CHECKING + +from uvicorn.config import Config + +if TYPE_CHECKING: # pragma: no cover + from uvicorn.server import ServerState + + +async def handle_http( + reader: asyncio.StreamReader, + writer: asyncio.StreamWriter, + server_state: "ServerState", + config: Config, +) -> None: + # Run transport/protocol session from streams. + # + # This is a bit fiddly, so let me explain why we do this in the first place. + # + # This was introduced to switch to the asyncio streams API while retaining our + # existing protocols-based code. + # + # The aim was to: + # * Make it easier to support alternative async libaries (all of which expose + # a streams API, rather than anything similar to asyncio's transports and + # protocols) while keeping the change footprint (and risk) at a minimum. + # * Keep a "fast track" for asyncio that's as efficient as possible, by reusing + # our asyncio-optimized protocols-based implementation. + # + # See: https://github.com/encode/uvicorn/issues/169 + # See: https://github.com/encode/uvicorn/pull/869 + + # Use a future to coordinate between the protocol and this handler task. + # https://docs.python.org/3/library/asyncio-protocol.html#connecting-existing-sockets + loop = asyncio.get_event_loop() + connection_lost = loop.create_future() + + # Switch the protocol from the stream reader to our own HTTP protocol class. + protocol = config.http_protocol_class( # type: ignore[call-arg, operator] + config=config, + server_state=server_state, + on_connection_lost=lambda: connection_lost.set_result(True), + ) + transport = writer.transport + transport.set_protocol(protocol) + + # Asyncio stream servers don't `await` handler tasks (like the one we're currently + # running), so we must make sure exceptions that occur in protocols but outside the + # ASGI cycle (e.g. bugs) are properly retrieved and logged. + # Vanilla asyncio handles exceptions properly out-of-the-box, but uvloop doesn't. + # So we need to attach a callback to handle exceptions ourselves for that case. + # (It's not easy to know which loop we're effectively running on, so we attach the + # callback in all cases. In practice it won't be called on vanilla asyncio.) + task = _get_current_task() + + @task.add_done_callback + def retrieve_exception(task: asyncio.Task) -> None: + exc = task.exception() + + if exc is None: + return + + loop.call_exception_handler( + { + "message": "Fatal error in server handler", + "exception": exc, + "transport": transport, + "protocol": protocol, + } + ) + # Hang up the connection so the client doesn't wait forever. + transport.close() + + # Kick off the HTTP protocol. + protocol.connection_made(transport) + + # Pass any data already in the read buffer. + # The assumption here is that we haven't read any data off the stream reader + # yet: all data that the client might have already sent since the connection has + # been established is in the `_buffer`. + data = reader._buffer # type: ignore + if data: + protocol.data_received(data) + + # Let the transport run in the background. When closed, this future will complete + # and we'll exit here. + await connection_lost + + +def _get_current_task() -> asyncio.Task: + try: + current_task = asyncio.current_task # type: ignore + except AttributeError: # pragma: no cover + # Python 3.6. + current_task = asyncio.Task.current_task # type: ignore + + task = current_task() + assert task is not None + return task diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/_types.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/_types.py new file mode 100644 index 0000000..0a547a5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/_types.py @@ -0,0 +1,14 @@ +import types +import typing + +# WSGI +Environ = typing.MutableMapping[str, typing.Any] +ExcInfo = typing.Tuple[ + typing.Type[BaseException], BaseException, typing.Optional[types.TracebackType] +] +StartResponse = typing.Callable[ + [str, typing.Iterable[typing.Tuple[str, str]], typing.Optional[ExcInfo]], None +] +WSGIApp = typing.Callable[ + [Environ, StartResponse], typing.Union[typing.Iterable[bytes], BaseException] +] diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/config.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/config.py new file mode 100644 index 0000000..13f5898 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/config.py @@ -0,0 +1,560 @@ +import asyncio +import inspect +import json +import logging +import logging.config +import os +import socket +import ssl +import sys +from pathlib import Path +from typing import Awaitable, Callable, Dict, List, Optional, Tuple, Type, Union + +from uvicorn.logging import TRACE_LOG_LEVEL + +if sys.version_info < (3, 8): + from typing_extensions import Literal +else: + from typing import Literal + +import click +from asgiref.typing import ASGIApplication + +try: + import yaml +except ImportError: + # If the code below that depends on yaml is exercised, it will raise a NameError. + # Install the PyYAML package or the uvicorn[standard] optional dependencies to + # enable this functionality. + pass + +from uvicorn.importer import ImportFromStringError, import_from_string +from uvicorn.middleware.asgi2 import ASGI2Middleware +from uvicorn.middleware.debug import DebugMiddleware +from uvicorn.middleware.message_logger import MessageLoggerMiddleware +from uvicorn.middleware.proxy_headers import ProxyHeadersMiddleware +from uvicorn.middleware.wsgi import WSGIMiddleware + +HTTPProtocolType = Literal["auto", "h11", "httptools"] +WSProtocolType = Literal["auto", "none", "websockets", "wsproto"] +LifespanType = Literal["auto", "on", "off"] +LoopSetupType = Literal["none", "auto", "asyncio", "uvloop"] +InterfaceType = Literal["auto", "asgi3", "asgi2", "wsgi"] + +LOG_LEVELS: Dict[str, int] = { + "critical": logging.CRITICAL, + "error": logging.ERROR, + "warning": logging.WARNING, + "info": logging.INFO, + "debug": logging.DEBUG, + "trace": TRACE_LOG_LEVEL, +} +HTTP_PROTOCOLS: Dict[HTTPProtocolType, str] = { + "auto": "uvicorn.protocols.http.auto:AutoHTTPProtocol", + "h11": "uvicorn.protocols.http.h11_impl:H11Protocol", + "httptools": "uvicorn.protocols.http.httptools_impl:HttpToolsProtocol", +} +WS_PROTOCOLS: Dict[WSProtocolType, Optional[str]] = { + "auto": "uvicorn.protocols.websockets.auto:AutoWebSocketsProtocol", + "none": None, + "websockets": "uvicorn.protocols.websockets.websockets_impl:WebSocketProtocol", + "wsproto": "uvicorn.protocols.websockets.wsproto_impl:WSProtocol", +} +LIFESPAN: Dict[LifespanType, str] = { + "auto": "uvicorn.lifespan.on:LifespanOn", + "on": "uvicorn.lifespan.on:LifespanOn", + "off": "uvicorn.lifespan.off:LifespanOff", +} +LOOP_SETUPS: Dict[LoopSetupType, Optional[str]] = { + "none": None, + "auto": "uvicorn.loops.auto:auto_loop_setup", + "asyncio": "uvicorn.loops.asyncio:asyncio_setup", + "uvloop": "uvicorn.loops.uvloop:uvloop_setup", +} +INTERFACES: List[InterfaceType] = ["auto", "asgi3", "asgi2", "wsgi"] + + +SSL_PROTOCOL_VERSION: int = ssl.PROTOCOL_TLS_SERVER + + +LOGGING_CONFIG: dict = { + "version": 1, + "disable_existing_loggers": False, + "formatters": { + "default": { + "()": "uvicorn.logging.DefaultFormatter", + "fmt": "%(levelprefix)s %(message)s", + "use_colors": None, + }, + "access": { + "()": "uvicorn.logging.AccessFormatter", + "fmt": '%(levelprefix)s %(client_addr)s - "%(request_line)s" %(status_code)s', # noqa: E501 + }, + }, + "handlers": { + "default": { + "formatter": "default", + "class": "logging.StreamHandler", + "stream": "ext://sys.stderr", + }, + "access": { + "formatter": "access", + "class": "logging.StreamHandler", + "stream": "ext://sys.stdout", + }, + }, + "loggers": { + "uvicorn": {"handlers": ["default"], "level": "INFO"}, + "uvicorn.error": {"level": "INFO"}, + "uvicorn.access": {"handlers": ["access"], "level": "INFO", "propagate": False}, + }, +} + +logger = logging.getLogger("uvicorn.error") + + +def create_ssl_context( + certfile: Union[str, os.PathLike], + keyfile: Optional[Union[str, os.PathLike]], + password: Optional[str], + ssl_version: int, + cert_reqs: int, + ca_certs: Optional[Union[str, os.PathLike]], + ciphers: Optional[str], +) -> ssl.SSLContext: + ctx = ssl.SSLContext(ssl_version) + get_password = (lambda: password) if password else None + ctx.load_cert_chain(certfile, keyfile, get_password) + ctx.verify_mode = cert_reqs + if ca_certs: + ctx.load_verify_locations(ca_certs) + if ciphers: + ctx.set_ciphers(ciphers) + return ctx + + +def is_dir(path: Path) -> bool: + try: + if not path.is_absolute(): + path = path.resolve() + return path.is_dir() + except OSError: + return False + + +def resolve_reload_patterns( + patterns_list: List[str], directories_list: List[str] +) -> Tuple[List[str], List[Path]]: + + directories: List[Path] = list(set(map(Path, directories_list.copy()))) + patterns: List[str] = patterns_list.copy() + + current_working_directory = Path.cwd() + for pattern in patterns_list: + # Special case for the .* pattern, otherwise this would only match + # hidden directories which is probably undesired + if pattern == ".*": + continue + patterns.append(pattern) + if is_dir(Path(pattern)): + directories.append(Path(pattern)) + else: + for match in current_working_directory.glob(pattern): + if is_dir(match): + directories.append(match) + + directories = list(set(directories)) + directories = list(map(Path, directories)) + directories = list(map(lambda x: x.resolve(), directories)) + directories = list( + set([reload_path for reload_path in directories if is_dir(reload_path)]) + ) + + children = [] + for j in range(len(directories)): + for k in range(j + 1, len(directories)): + if directories[j] in directories[k].parents: + children.append(directories[k]) + elif directories[k] in directories[j].parents: + children.append(directories[j]) + + directories = list(set(directories).difference(set(children))) + + return (list(set(patterns)), directories) + + +class Config: + def __init__( + self, + app: Union[ASGIApplication, Callable, str], + host: str = "127.0.0.1", + port: int = 8000, + uds: Optional[str] = None, + fd: Optional[int] = None, + loop: LoopSetupType = "auto", + http: Union[Type[asyncio.Protocol], HTTPProtocolType] = "auto", + ws: Union[Type[asyncio.Protocol], WSProtocolType] = "auto", + ws_max_size: int = 16 * 1024 * 1024, + ws_ping_interval: Optional[float] = 20, + ws_ping_timeout: Optional[float] = 20, + lifespan: LifespanType = "auto", + env_file: Optional[Union[str, os.PathLike]] = None, + log_config: Optional[Union[dict, str]] = LOGGING_CONFIG, + log_level: Optional[Union[str, int]] = None, + access_log: bool = True, + use_colors: Optional[bool] = None, + interface: InterfaceType = "auto", + debug: bool = False, + reload: bool = False, + reload_dirs: Optional[Union[List[str], str]] = None, + reload_delay: Optional[float] = None, + reload_includes: Optional[Union[List[str], str]] = None, + reload_excludes: Optional[Union[List[str], str]] = None, + workers: Optional[int] = None, + proxy_headers: bool = True, + server_header: bool = True, + date_header: bool = True, + forwarded_allow_ips: Optional[str] = None, + root_path: str = "", + limit_concurrency: Optional[int] = None, + limit_max_requests: Optional[int] = None, + backlog: int = 2048, + timeout_keep_alive: int = 5, + timeout_notify: int = 30, + callback_notify: Callable[..., Awaitable[None]] = None, + ssl_keyfile: Optional[str] = None, + ssl_certfile: Optional[Union[str, os.PathLike]] = None, + ssl_keyfile_password: Optional[str] = None, + ssl_version: int = SSL_PROTOCOL_VERSION, + ssl_cert_reqs: int = ssl.CERT_NONE, + ssl_ca_certs: Optional[str] = None, + ssl_ciphers: str = "TLSv1", + headers: Optional[List[List[str]]] = None, + factory: bool = False, + ): + self.app = app + self.host = host + self.port = port + self.uds = uds + self.fd = fd + self.loop = loop + self.http = http + self.ws = ws + self.ws_max_size = ws_max_size + self.ws_ping_interval = ws_ping_interval + self.ws_ping_timeout = ws_ping_timeout + self.lifespan = lifespan + self.log_config = log_config + self.log_level = log_level + self.access_log = access_log + self.use_colors = use_colors + self.interface = interface + self.debug = debug + self.reload = reload + self.reload_delay = reload_delay or 0.25 + self.workers = workers or 1 + self.proxy_headers = proxy_headers + self.server_header = server_header + self.date_header = date_header + self.root_path = root_path + self.limit_concurrency = limit_concurrency + self.limit_max_requests = limit_max_requests + self.backlog = backlog + self.timeout_keep_alive = timeout_keep_alive + self.timeout_notify = timeout_notify + self.callback_notify = callback_notify + self.ssl_keyfile = ssl_keyfile + self.ssl_certfile = ssl_certfile + self.ssl_keyfile_password = ssl_keyfile_password + self.ssl_version = ssl_version + self.ssl_cert_reqs = ssl_cert_reqs + self.ssl_ca_certs = ssl_ca_certs + self.ssl_ciphers = ssl_ciphers + self.headers: List[List[str]] = headers or [] + self.encoded_headers: List[Tuple[bytes, bytes]] = [] + self.factory = factory + + self.loaded = False + self.configure_logging() + + self.reload_dirs: List[Path] = [] + self.reload_dirs_excludes: List[Path] = [] + self.reload_includes: List[str] = [] + self.reload_excludes: List[str] = [] + + if ( + reload_dirs or reload_includes or reload_excludes + ) and not self.should_reload: + logger.warning( + "Current configuration will not reload as not all conditions are met," + "please refer to documentation." + ) + + if self.should_reload: + reload_dirs = list(set(reload_dirs)) if reload_dirs else [] + reload_includes = list(set(reload_includes)) if reload_includes else [] + reload_excludes = list(set(reload_excludes)) if reload_excludes else [] + + self.reload_includes, self.reload_dirs = resolve_reload_patterns( + reload_includes, reload_dirs + ) + + self.reload_excludes, self.reload_dirs_excludes = resolve_reload_patterns( + reload_excludes, [] + ) + + reload_dirs_tmp = self.reload_dirs.copy() + + for directory in self.reload_dirs_excludes: + for reload_directory in reload_dirs_tmp: + if ( + directory == reload_directory + or directory in reload_directory.parents + ): + try: + self.reload_dirs.remove(reload_directory) + except ValueError: + pass + + for pattern in self.reload_excludes: + if pattern in self.reload_includes: + self.reload_includes.remove(pattern) + + if not self.reload_dirs: + if reload_dirs: + logger.warning( + "Provided reload directories %s did not contain valid " + + "directories, watching current working directory.", + reload_dirs, + ) + self.reload_dirs = [Path(os.getcwd())] + + logger.info( + "Will watch for changes in these directories: %s", + sorted(list(map(str, self.reload_dirs))), + ) + + if env_file is not None: + from dotenv import load_dotenv + + logger.info("Loading environment from '%s'", env_file) + load_dotenv(dotenv_path=env_file) + + if workers is None and "WEB_CONCURRENCY" in os.environ: + self.workers = int(os.environ["WEB_CONCURRENCY"]) + + if forwarded_allow_ips is None: + self.forwarded_allow_ips = os.environ.get( + "FORWARDED_ALLOW_IPS", "127.0.0.1" + ) + else: + self.forwarded_allow_ips = forwarded_allow_ips + + @property + def asgi_version(self) -> Literal["2.0", "3.0"]: + mapping: Dict[str, Literal["2.0", "3.0"]] = { + "asgi2": "2.0", + "asgi3": "3.0", + "wsgi": "3.0", + } + return mapping[self.interface] + + @property + def is_ssl(self) -> bool: + return bool(self.ssl_keyfile or self.ssl_certfile) + + def configure_logging(self) -> None: + logging.addLevelName(TRACE_LOG_LEVEL, "TRACE") + + if self.log_config is not None: + if isinstance(self.log_config, dict): + if self.use_colors in (True, False): + self.log_config["formatters"]["default"][ + "use_colors" + ] = self.use_colors + self.log_config["formatters"]["access"][ + "use_colors" + ] = self.use_colors + logging.config.dictConfig(self.log_config) + elif self.log_config.endswith(".json"): + with open(self.log_config) as file: + loaded_config = json.load(file) + logging.config.dictConfig(loaded_config) + elif self.log_config.endswith((".yaml", ".yml")): + with open(self.log_config) as file: + loaded_config = yaml.safe_load(file) + logging.config.dictConfig(loaded_config) + else: + # See the note about fileConfig() here: + # https://docs.python.org/3/library/logging.config.html#configuration-file-format + logging.config.fileConfig( + self.log_config, disable_existing_loggers=False + ) + + if self.log_level is not None: + if isinstance(self.log_level, str): + log_level = LOG_LEVELS[self.log_level] + else: + log_level = self.log_level + logging.getLogger("uvicorn.error").setLevel(log_level) + logging.getLogger("uvicorn.access").setLevel(log_level) + logging.getLogger("uvicorn.asgi").setLevel(log_level) + if self.access_log is False: + logging.getLogger("uvicorn.access").handlers = [] + logging.getLogger("uvicorn.access").propagate = False + + def load(self) -> None: + assert not self.loaded + + if self.is_ssl: + assert self.ssl_certfile + self.ssl: Optional[ssl.SSLContext] = create_ssl_context( + keyfile=self.ssl_keyfile, + certfile=self.ssl_certfile, + password=self.ssl_keyfile_password, + ssl_version=self.ssl_version, + cert_reqs=self.ssl_cert_reqs, + ca_certs=self.ssl_ca_certs, + ciphers=self.ssl_ciphers, + ) + else: + self.ssl = None + + encoded_headers = [ + (key.lower().encode("latin1"), value.encode("latin1")) + for key, value in self.headers + ] + self.encoded_headers = ( + [(b"server", b"uvicorn")] + encoded_headers + if b"server" not in dict(encoded_headers) and self.server_header + else encoded_headers + ) + + if isinstance(self.http, str): + http_protocol_class = import_from_string(HTTP_PROTOCOLS[self.http]) + self.http_protocol_class: Type[asyncio.Protocol] = http_protocol_class + else: + self.http_protocol_class = self.http + + if isinstance(self.ws, str): + ws_protocol_class = import_from_string(WS_PROTOCOLS[self.ws]) + self.ws_protocol_class: Optional[Type[asyncio.Protocol]] = ws_protocol_class + else: + self.ws_protocol_class = self.ws + + self.lifespan_class = import_from_string(LIFESPAN[self.lifespan]) + + try: + self.loaded_app = import_from_string(self.app) + except ImportFromStringError as exc: + logger.error("Error loading ASGI app. %s" % exc) + sys.exit(1) + + try: + self.loaded_app = self.loaded_app() + except TypeError as exc: + if self.factory: + logger.error("Error loading ASGI app factory: %s", exc) + sys.exit(1) + else: + if not self.factory: + logger.warning( + "ASGI app factory detected. Using it, " + "but please consider setting the --factory flag explicitly." + ) + + if self.interface == "auto": + if inspect.isclass(self.loaded_app): + use_asgi_3 = hasattr(self.loaded_app, "__await__") + elif inspect.isfunction(self.loaded_app): + use_asgi_3 = asyncio.iscoroutinefunction(self.loaded_app) + else: + call = getattr(self.loaded_app, "__call__", None) + use_asgi_3 = asyncio.iscoroutinefunction(call) + self.interface = "asgi3" if use_asgi_3 else "asgi2" + + if self.interface == "wsgi": + self.loaded_app = WSGIMiddleware(self.loaded_app) + self.ws_protocol_class = None + elif self.interface == "asgi2": + self.loaded_app = ASGI2Middleware(self.loaded_app) + + if self.debug: + self.loaded_app = DebugMiddleware(self.loaded_app) + if logger.level <= TRACE_LOG_LEVEL: + self.loaded_app = MessageLoggerMiddleware(self.loaded_app) + if self.proxy_headers: + self.loaded_app = ProxyHeadersMiddleware( + self.loaded_app, trusted_hosts=self.forwarded_allow_ips + ) + + self.loaded = True + + def setup_event_loop(self) -> None: + loop_setup: Optional[Callable] = import_from_string(LOOP_SETUPS[self.loop]) + if loop_setup is not None: + loop_setup() + + def bind_socket(self) -> socket.socket: + logger_args: List[Union[str, int]] + if self.uds: + path = self.uds + sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) + try: + sock.bind(path) + uds_perms = 0o666 + os.chmod(self.uds, uds_perms) + except OSError as exc: + logger.error(exc) + sys.exit(1) + + message = "Uvicorn running on unix socket %s (Press CTRL+C to quit)" + sock_name_format = "%s" + color_message = ( + "Uvicorn running on " + + click.style(sock_name_format, bold=True) + + " (Press CTRL+C to quit)" + ) + logger_args = [self.uds] + elif self.fd: + sock = socket.fromfd(self.fd, socket.AF_UNIX, socket.SOCK_STREAM) + message = "Uvicorn running on socket %s (Press CTRL+C to quit)" + fd_name_format = "%s" + color_message = ( + "Uvicorn running on " + + click.style(fd_name_format, bold=True) + + " (Press CTRL+C to quit)" + ) + logger_args = [sock.getsockname()] + else: + family = socket.AF_INET + addr_format = "%s://%s:%d" + + if self.host and ":" in self.host: + # It's an IPv6 address. + family = socket.AF_INET6 + addr_format = "%s://[%s]:%d" + + sock = socket.socket(family=family) + sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + try: + sock.bind((self.host, self.port)) + except OSError as exc: + logger.error(exc) + sys.exit(1) + + message = f"Uvicorn running on {addr_format} (Press CTRL+C to quit)" + color_message = ( + "Uvicorn running on " + + click.style(addr_format, bold=True) + + " (Press CTRL+C to quit)" + ) + protocol_name = "https" if self.is_ssl else "http" + logger_args = [protocol_name, self.host, self.port] + logger.info(message, *logger_args, extra={"color_message": color_message}) + sock.set_inheritable(True) + return sock + + @property + def should_reload(self) -> bool: + return isinstance(self.app, str) and (self.debug or self.reload) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/importer.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/importer.py new file mode 100644 index 0000000..e612bf1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/importer.py @@ -0,0 +1,38 @@ +import importlib +from typing import Any + + +class ImportFromStringError(Exception): + pass + + +def import_from_string(import_str: Any) -> Any: + if not isinstance(import_str, str): + return import_str + + module_str, _, attrs_str = import_str.partition(":") + if not module_str or not attrs_str: + message = ( + 'Import string "{import_str}" must be in format ":".' + ) + raise ImportFromStringError(message.format(import_str=import_str)) + + try: + module = importlib.import_module(module_str) + except ImportError as exc: + if exc.name != module_str: + raise exc from None + message = 'Could not import module "{module_str}".' + raise ImportFromStringError(message.format(module_str=module_str)) + + instance = module + try: + for attr_str in attrs_str.split("."): + instance = getattr(instance, attr_str) + except AttributeError: + message = 'Attribute "{attrs_str}" not found in module "{module_str}".' + raise ImportFromStringError( + message.format(attrs_str=attrs_str, module_str=module_str) + ) + + return instance diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/off.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/off.py new file mode 100644 index 0000000..7ec961b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/off.py @@ -0,0 +1,12 @@ +from uvicorn import Config + + +class LifespanOff: + def __init__(self, config: Config) -> None: + self.should_exit = False + + async def startup(self) -> None: + pass + + async def shutdown(self) -> None: + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/on.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/on.py new file mode 100644 index 0000000..caf6e50 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/lifespan/on.py @@ -0,0 +1,135 @@ +import asyncio +import logging +from asyncio import Queue +from typing import Union + +from asgiref.typing import ( + LifespanScope, + LifespanShutdownCompleteEvent, + LifespanShutdownEvent, + LifespanShutdownFailedEvent, + LifespanStartupCompleteEvent, + LifespanStartupEvent, + LifespanStartupFailedEvent, +) + +from uvicorn import Config + +LifespanReceiveMessage = Union[LifespanStartupEvent, LifespanShutdownEvent] +LifespanSendMessage = Union[ + LifespanStartupFailedEvent, + LifespanShutdownFailedEvent, + LifespanStartupCompleteEvent, + LifespanShutdownCompleteEvent, +] + +STATE_TRANSITION_ERROR = "Got invalid state transition on lifespan protocol." + + +class LifespanOn: + def __init__(self, config: Config) -> None: + if not config.loaded: + config.load() + + self.config = config + self.logger = logging.getLogger("uvicorn.error") + self.startup_event = asyncio.Event() + self.shutdown_event = asyncio.Event() + self.receive_queue: "Queue[LifespanReceiveMessage]" = asyncio.Queue() + self.error_occured = False + self.startup_failed = False + self.shutdown_failed = False + self.should_exit = False + + async def startup(self) -> None: + self.logger.info("Waiting for application startup.") + + loop = asyncio.get_event_loop() + main_lifespan_task = loop.create_task(self.main()) # noqa: F841 + # Keep a hard reference to prevent garbage collection + # See https://github.com/encode/uvicorn/pull/972 + startup_event: LifespanStartupEvent = {"type": "lifespan.startup"} + await self.receive_queue.put(startup_event) + await self.startup_event.wait() + + if self.startup_failed or (self.error_occured and self.config.lifespan == "on"): + self.logger.error("Application startup failed. Exiting.") + self.should_exit = True + else: + self.logger.info("Application startup complete.") + + async def shutdown(self) -> None: + if self.error_occured: + return + self.logger.info("Waiting for application shutdown.") + shutdown_event: LifespanShutdownEvent = {"type": "lifespan.shutdown"} + await self.receive_queue.put(shutdown_event) + await self.shutdown_event.wait() + + if self.shutdown_failed or ( + self.error_occured and self.config.lifespan == "on" + ): + self.logger.error("Application shutdown failed. Exiting.") + self.should_exit = True + else: + self.logger.info("Application shutdown complete.") + + async def main(self) -> None: + try: + app = self.config.loaded_app + scope: LifespanScope = { + "type": "lifespan", + "asgi": {"version": self.config.asgi_version, "spec_version": "2.0"}, + } + await app(scope, self.receive, self.send) + except BaseException as exc: + self.asgi = None + self.error_occured = True + if self.startup_failed or self.shutdown_failed: + return + if self.config.lifespan == "auto": + msg = "ASGI 'lifespan' protocol appears unsupported." + self.logger.info(msg) + else: + msg = "Exception in 'lifespan' protocol\n" + self.logger.error(msg, exc_info=exc) + finally: + self.startup_event.set() + self.shutdown_event.set() + + async def send(self, message: LifespanSendMessage) -> None: + assert message["type"] in ( + "lifespan.startup.complete", + "lifespan.startup.failed", + "lifespan.shutdown.complete", + "lifespan.shutdown.failed", + ) + + if message["type"] == "lifespan.startup.complete": + assert not self.startup_event.is_set(), STATE_TRANSITION_ERROR + assert not self.shutdown_event.is_set(), STATE_TRANSITION_ERROR + self.startup_event.set() + + elif message["type"] == "lifespan.startup.failed": + assert not self.startup_event.is_set(), STATE_TRANSITION_ERROR + assert not self.shutdown_event.is_set(), STATE_TRANSITION_ERROR + self.startup_event.set() + self.startup_failed = True + if message.get("message"): + self.logger.error(message["message"]) + + elif message["type"] == "lifespan.shutdown.complete": + assert self.startup_event.is_set(), STATE_TRANSITION_ERROR + assert not self.shutdown_event.is_set(), STATE_TRANSITION_ERROR + self.shutdown_event.set() + + elif message["type"] == "lifespan.shutdown.failed": + assert self.startup_event.is_set(), STATE_TRANSITION_ERROR + assert not self.shutdown_event.is_set(), STATE_TRANSITION_ERROR + self.shutdown_event.set() + self.shutdown_failed = True + if message.get("message"): + self.logger.error(message["message"]) + + async def receive(self) -> LifespanReceiveMessage: + return await self.receive_queue.get() diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/logging.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/logging.py new file mode 100644 index 0000000..f22ed8d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/logging.py @@ -0,0 +1,117 @@ +import http +import logging +import sys +from copy import copy +from typing import Optional + +import click + +TRACE_LOG_LEVEL = 5 + + +class ColourizedFormatter(logging.Formatter): + """ + A custom log formatter class that: + + * Outputs the LOG_LEVEL with an appropriate color. + * If a log call includes an `extras={"color_message": ...}` it will be used + for formatting the output, instead of the plain text message. + """ + + level_name_colors = { + TRACE_LOG_LEVEL: lambda level_name: click.style(str(level_name), fg="blue"), + logging.DEBUG: lambda level_name: click.style(str(level_name), fg="cyan"), + logging.INFO: lambda level_name: click.style(str(level_name), fg="green"), + logging.WARNING: lambda level_name: click.style(str(level_name), fg="yellow"), + logging.ERROR: lambda level_name: click.style(str(level_name), fg="red"), + logging.CRITICAL: lambda level_name: click.style( + str(level_name), fg="bright_red" + ), + } + + def __init__( + self, + fmt: Optional[str] = None, + datefmt: Optional[str] = None, + style: str = "%", + use_colors: Optional[bool] = None, + ): + if use_colors in (True, False): + self.use_colors = use_colors + else: + self.use_colors = sys.stdout.isatty() + super().__init__(fmt=fmt, datefmt=datefmt, style=style) + + def color_level_name(self, level_name: str, level_no: int) -> str: + def default(level_name: str) -> str: + return str(level_name) # pragma: no cover + + func = self.level_name_colors.get(level_no, default) + return func(level_name) + + def should_use_colors(self) -> bool: + return True # pragma: no cover + + def formatMessage(self, record: logging.LogRecord) -> str: + recordcopy = copy(record) + levelname = recordcopy.levelname + seperator = " " * (8 - len(recordcopy.levelname)) + if self.use_colors: + levelname = self.color_level_name(levelname, recordcopy.levelno) + if "color_message" in recordcopy.__dict__: + recordcopy.msg = recordcopy.__dict__["color_message"] + recordcopy.__dict__["message"] = recordcopy.getMessage() + recordcopy.__dict__["levelprefix"] = levelname + ":" + seperator + return super().formatMessage(recordcopy) + + +class DefaultFormatter(ColourizedFormatter): + def should_use_colors(self) -> bool: + return sys.stderr.isatty() # pragma: no cover + + +class AccessFormatter(ColourizedFormatter): + status_code_colours = { + 1: lambda code: click.style(str(code), fg="bright_white"), + 2: lambda code: click.style(str(code), fg="green"), + 3: lambda code: click.style(str(code), fg="yellow"), + 4: lambda code: click.style(str(code), fg="red"), + 5: lambda code: click.style(str(code), fg="bright_red"), + } + + def get_status_code(self, status_code: int) -> str: + try: + status_phrase = http.HTTPStatus(status_code).phrase + except ValueError: + status_phrase = "" + status_and_phrase = "%s %s" % (status_code, status_phrase) + if self.use_colors: + + def default(code: int) -> str: + return status_and_phrase # pragma: no cover + + func = self.status_code_colours.get(status_code // 100, default) + return func(status_and_phrase) + return status_and_phrase + + def formatMessage(self, record: logging.LogRecord) -> str: + recordcopy = copy(record) + ( + client_addr, + method, + full_path, + http_version, + status_code, + ) = recordcopy.args + status_code = self.get_status_code(int(status_code)) + request_line = "%s %s HTTP/%s" % (method, full_path, http_version) + if self.use_colors: + request_line = click.style(request_line, bold=True) + recordcopy.__dict__.update( + { + "client_addr": client_addr, + "request_line": request_line, + "status_code": status_code, + } + ) + return super().formatMessage(recordcopy) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/asyncio.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/asyncio.py new file mode 100644 index 0000000..dad2f40 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/asyncio.py @@ -0,0 +1,7 @@ +import asyncio +import sys + + +def asyncio_setup() -> None: # pragma: no cover + if sys.version_info >= (3, 8) and sys.platform == "win32": + asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy()) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/auto.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/auto.py new file mode 100644 index 0000000..d587b62 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/auto.py @@ -0,0 +1,11 @@ +def auto_loop_setup() -> None: + try: + import uvloop # noqa + except ImportError: # pragma: no cover + from uvicorn.loops.asyncio import asyncio_setup as loop_setup + + loop_setup() + else: # pragma: no cover + from uvicorn.loops.uvloop import uvloop_setup + + uvloop_setup() diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/uvloop.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/uvloop.py new file mode 100644 index 0000000..cb6f326 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/loops/uvloop.py @@ -0,0 +1,7 @@ +import asyncio + +import uvloop + + +def uvloop_setup() -> None: + asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/main.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/main.py new file mode 100644 index 0000000..b3514b7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/main.py @@ -0,0 +1,453 @@ +import logging +import os +import platform +import ssl +import sys +import typing + +import click +from asgiref.typing import ASGIApplication + +import uvicorn +from uvicorn.config import ( + HTTP_PROTOCOLS, + INTERFACES, + LIFESPAN, + LOG_LEVELS, + LOGGING_CONFIG, + LOOP_SETUPS, + SSL_PROTOCOL_VERSION, + WS_PROTOCOLS, + Config, +) +from uvicorn.server import Server, ServerState # noqa: F401 # Used to be defined here. +from uvicorn.supervisors import ChangeReload, Multiprocess + +LEVEL_CHOICES = click.Choice(list(LOG_LEVELS.keys())) +HTTP_CHOICES = click.Choice(list(HTTP_PROTOCOLS.keys())) +WS_CHOICES = click.Choice(list(WS_PROTOCOLS.keys())) +LIFESPAN_CHOICES = click.Choice(list(LIFESPAN.keys())) +LOOP_CHOICES = click.Choice([key for key in LOOP_SETUPS.keys() if key != "none"]) +INTERFACE_CHOICES = click.Choice(INTERFACES) + +logger = logging.getLogger("uvicorn.error") + + +def print_version(ctx: click.Context, param: click.Parameter, value: bool) -> None: + if not value or ctx.resilient_parsing: + return + click.echo( + "Running uvicorn %s with %s %s on %s" + % ( + uvicorn.__version__, + platform.python_implementation(), + platform.python_version(), + platform.system(), + ) + ) + ctx.exit() + + +@click.command() +@click.argument("app") +@click.option( + "--host", + type=str, + default="127.0.0.1", + help="Bind socket to this host.", + show_default=True, +) +@click.option( + "--port", + type=int, + default=8000, + help="Bind socket to this port.", + show_default=True, +) +@click.option("--uds", type=str, default=None, help="Bind to a UNIX domain socket.") +@click.option( + "--fd", type=int, default=None, help="Bind to socket from this file descriptor." +) +@click.option( + "--debug", is_flag=True, default=False, help="Enable debug mode.", hidden=True +) +@click.option("--reload", is_flag=True, default=False, help="Enable auto-reload.") +@click.option( + "--reload-dir", + "reload_dirs", + multiple=True, + help="Set reload directories explicitly, instead of using the current working" + " directory.", + type=click.Path(exists=True), +) +@click.option( + "--reload-include", + "reload_includes", + multiple=True, + help="Set glob patterns to include while watching for files. Includes '*.py' " + "by default, which can be overridden in reload-excludes.", +) +@click.option( + "--reload-exclude", + "reload_excludes", + multiple=True, + help="Set glob patterns to exclude while watching for files. Includes " + "'.*, .py[cod], .sw.*, ~*' by default, which can be overridden in reload-excludes.", +) +@click.option( + "--reload-delay", + type=float, + default=0.25, + show_default=True, + help="Delay between previous and next check if application needs to be." + " Defaults to 0.25s.", +) +@click.option( + "--workers", + default=None, + type=int, + help="Number of worker processes. Defaults to the $WEB_CONCURRENCY environment" + " variable if available, or 1. Not valid with --reload.", +) +@click.option( + "--loop", + type=LOOP_CHOICES, + default="auto", + help="Event loop implementation.", + show_default=True, +) +@click.option( + "--http", + type=HTTP_CHOICES, + default="auto", + help="HTTP protocol implementation.", + show_default=True, +) +@click.option( + "--ws", + type=WS_CHOICES, + default="auto", + help="WebSocket protocol implementation.", + show_default=True, +) +@click.option( + "--ws-max-size", + type=int, + default=16777216, + help="WebSocket max size message in bytes", + show_default=True, +) +@click.option( + "--ws-ping-interval", + type=float, + default=20, + help="WebSocket ping interval", + show_default=True, +) +@click.option( + "--ws-ping-timeout", + type=float, + default=20, + help="WebSocket ping timeout", + show_default=True, +) +@click.option( + "--lifespan", + type=LIFESPAN_CHOICES, + default="auto", + help="Lifespan implementation.", + show_default=True, +) +@click.option( + "--interface", + type=INTERFACE_CHOICES, + default="auto", + help="Select ASGI3, ASGI2, or WSGI as the application interface.", + show_default=True, +) +@click.option( + "--env-file", + type=click.Path(exists=True), + default=None, + help="Environment configuration file.", + show_default=True, +) +@click.option( + "--log-config", + type=click.Path(exists=True), + default=None, + help="Logging configuration file. Supported formats: .ini, .json, .yaml.", + show_default=True, +) +@click.option( + "--log-level", + type=LEVEL_CHOICES, + default=None, + help="Log level. [default: info]", + show_default=True, +) +@click.option( + "--access-log/--no-access-log", + is_flag=True, + default=True, + help="Enable/Disable access log.", +) +@click.option( + "--use-colors/--no-use-colors", + is_flag=True, + default=None, + help="Enable/Disable colorized logging.", +) +@click.option( + "--proxy-headers/--no-proxy-headers", + is_flag=True, + default=True, + help="Enable/Disable X-Forwarded-Proto, X-Forwarded-For, X-Forwarded-Port to " + "populate remote address info.", +) +@click.option( + "--server-header/--no-server-header", + is_flag=True, + default=True, + help="Enable/Disable default Server header.", +) +@click.option( + "--date-header/--no-date-header", + is_flag=True, + default=True, + help="Enable/Disable default Date header.", +) +@click.option( + "--forwarded-allow-ips", + type=str, + default=None, + help="Comma seperated list of IPs to trust with proxy headers. Defaults to" + " the $FORWARDED_ALLOW_IPS environment variable if available, or '127.0.0.1'.", +) +@click.option( + "--root-path", + type=str, + default="", + help="Set the ASGI 'root_path' for applications submounted below a given URL path.", +) +@click.option( + "--limit-concurrency", + type=int, + default=None, + help="Maximum number of concurrent connections or tasks to allow, before issuing" + " HTTP 503 responses.", +) +@click.option( + "--backlog", + type=int, + default=2048, + help="Maximum number of connections to hold in backlog", +) +@click.option( + "--limit-max-requests", + type=int, + default=None, + help="Maximum number of requests to service before terminating the process.", +) +@click.option( + "--timeout-keep-alive", + type=int, + default=5, + help="Close Keep-Alive connections if no new data is received within this timeout.", + show_default=True, +) +@click.option( + "--ssl-keyfile", type=str, default=None, help="SSL key file", show_default=True +) +@click.option( + "--ssl-certfile", + type=str, + default=None, + help="SSL certificate file", + show_default=True, +) +@click.option( + "--ssl-keyfile-password", + type=str, + default=None, + help="SSL keyfile password", + show_default=True, +) +@click.option( + "--ssl-version", + type=int, + default=SSL_PROTOCOL_VERSION, + help="SSL version to use (see stdlib ssl module's)", + show_default=True, +) +@click.option( + "--ssl-cert-reqs", + type=int, + default=ssl.CERT_NONE, + help="Whether client certificate is required (see stdlib ssl module's)", + show_default=True, +) +@click.option( + "--ssl-ca-certs", + type=str, + default=None, + help="CA certificates file", + show_default=True, +) +@click.option( + "--ssl-ciphers", + type=str, + default="TLSv1", + help="Ciphers to use (see stdlib ssl module's)", + show_default=True, +) +@click.option( + "--header", + "headers", + multiple=True, + help="Specify custom default HTTP response headers as a Name:Value pair", +) +@click.option( + "--version", + is_flag=True, + callback=print_version, + expose_value=False, + is_eager=True, + help="Display the uvicorn version and exit.", +) +@click.option( + "--app-dir", + "app_dir", + default=".", + show_default=True, + help="Look for APP in the specified directory, by adding this to the PYTHONPATH." + " Defaults to the current working directory.", +) +@click.option( + "--factory", + is_flag=True, + default=False, + help="Treat APP as an application factory, i.e. a () -> callable.", + show_default=True, +) +def main( + app: str, + host: str, + port: int, + uds: str, + fd: int, + loop: str, + http: str, + ws: str, + ws_max_size: int, + ws_ping_interval: float, + ws_ping_timeout: float, + lifespan: str, + interface: str, + debug: bool, + reload: bool, + reload_dirs: typing.List[str], + reload_includes: typing.List[str], + reload_excludes: typing.List[str], + reload_delay: float, + workers: int, + env_file: str, + log_config: str, + log_level: str, + access_log: bool, + proxy_headers: bool, + server_header: bool, + date_header: bool, + forwarded_allow_ips: str, + root_path: str, + limit_concurrency: int, + backlog: int, + limit_max_requests: int, + timeout_keep_alive: int, + ssl_keyfile: str, + ssl_certfile: str, + ssl_keyfile_password: str, + ssl_version: int, + ssl_cert_reqs: int, + ssl_ca_certs: str, + ssl_ciphers: str, + headers: typing.List[str], + use_colors: bool, + app_dir: str, + factory: bool, +) -> None: + sys.path.insert(0, app_dir) + + kwargs = { + "host": host, + "port": port, + "uds": uds, + "fd": fd, + "loop": loop, + "http": http, + "ws": ws, + "ws_max_size": ws_max_size, + "ws_ping_interval": ws_ping_interval, + "ws_ping_timeout": ws_ping_timeout, + "lifespan": lifespan, + "env_file": env_file, + "log_config": LOGGING_CONFIG if log_config is None else log_config, + "log_level": log_level, + "access_log": access_log, + "interface": interface, + "debug": debug, + "reload": reload, + "reload_dirs": reload_dirs if reload_dirs else None, + "reload_includes": reload_includes if reload_includes else None, + "reload_excludes": reload_excludes if reload_excludes else None, + "reload_delay": reload_delay, + "workers": workers, + "proxy_headers": proxy_headers, + "server_header": server_header, + "date_header": date_header, + "forwarded_allow_ips": forwarded_allow_ips, + "root_path": root_path, + "limit_concurrency": limit_concurrency, + "backlog": backlog, + "limit_max_requests": limit_max_requests, + "timeout_keep_alive": timeout_keep_alive, + "ssl_keyfile": ssl_keyfile, + "ssl_certfile": ssl_certfile, + "ssl_keyfile_password": ssl_keyfile_password, + "ssl_version": ssl_version, + "ssl_cert_reqs": ssl_cert_reqs, + "ssl_ca_certs": ssl_ca_certs, + "ssl_ciphers": ssl_ciphers, + "headers": [header.split(":", 1) for header in headers], + "use_colors": use_colors, + "factory": factory, + } + run(app, **kwargs) + + +def run(app: typing.Union[ASGIApplication, str], **kwargs: typing.Any) -> None: + config = Config(app, **kwargs) + server = Server(config=config) + + if (config.reload or config.workers > 1) and not isinstance(app, str): + logger = logging.getLogger("uvicorn.error") + logger.warning( + "You must pass the application as an import string to enable 'reload' or " + "'workers'." + ) + sys.exit(1) + + if config.should_reload: + sock = config.bind_socket() + ChangeReload(config, target=server.run, sockets=[sock]).run() + elif config.workers > 1: + sock = config.bind_socket() + Multiprocess(config, target=server.run, sockets=[sock]).run() + else: + server.run() + if config.uds: + os.remove(config.uds) + + +if __name__ == "__main__": + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/asgi2.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/asgi2.py new file mode 100644 index 0000000..7ba78e6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/asgi2.py @@ -0,0 +1,17 @@ +from asgiref.typing import ( + ASGI2Application, + ASGIReceiveCallable, + ASGISendCallable, + Scope, +) + + +class ASGI2Middleware: + def __init__(self, app: ASGI2Application): + self.app = app + + async def __call__( + self, scope: Scope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + instance = self.app(scope) + await instance(receive, send) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/debug.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/debug.py new file mode 100644 index 0000000..2ea06ca --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/debug.py @@ -0,0 +1,112 @@ +import html +import traceback +from typing import Union + +from asgiref.typing import ( + ASGI3Application, + ASGIReceiveCallable, + ASGISendCallable, + ASGISendEvent, + HTTPResponseBodyEvent, + HTTPResponseStartEvent, + WWWScope, +) + + +class HTMLResponse: + def __init__(self, content: str, status_code: int): + self.content = content + self.status_code = status_code + + async def __call__( + self, scope: WWWScope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + response_start: HTTPResponseStartEvent = { + "type": "http.response.start", + "status": self.status_code, + "headers": [(b"content-type", b"text/html; charset=utf-8")], + } + await send(response_start) + + response_body: HTTPResponseBodyEvent = { + "type": "http.response.body", + "body": self.content.encode("utf-8"), + "more_body": False, + } + await send(response_body) + + +class PlainTextResponse: + def __init__(self, content: str, status_code: int): + self.content = content + self.status_code = status_code + + async def __call__( + self, scope: WWWScope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + response_start: HTTPResponseStartEvent = { + "type": "http.response.start", + "status": self.status_code, + "headers": [(b"content-type", b"text/plain; charset=utf-8")], + } + await send(response_start) + + response_body: HTTPResponseBodyEvent = { + "type": "http.response.body", + "body": self.content.encode("utf-8"), + "more_body": False, + } + await send(response_body) + + +def get_accept_header(scope: WWWScope) -> str: + accept = "*/*" + + for key, value in scope.get("headers", []): + if key == b"accept": + accept = value.decode("ascii") + break + + return accept + + +class DebugMiddleware: + def __init__(self, app: ASGI3Application): + self.app = app + + async def __call__( + self, scope: WWWScope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + if scope["type"] != "http": + return await self.app(scope, receive, send) + + response_started = False + + async def inner_send(message: ASGISendEvent) -> None: + nonlocal response_started, send + + if message["type"] == "http.response.start": + response_started = True + await send(message) + + try: + await self.app(scope, receive, inner_send) + except BaseException as exc: + if response_started: + raise exc from None + + accept = get_accept_header(scope) + response: Union[HTMLResponse, PlainTextResponse] + if "text/html" in accept: + exc_html = html.escape(traceback.format_exc()) + content = ( + "

    500 Server Error

    %s
    " + % exc_html + ) + response = HTMLResponse(content, status_code=500) + else: + content = traceback.format_exc() + response = PlainTextResponse(content, status_code=500) + + await response(scope, receive, send) + raise exc from None diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/message_logger.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/message_logger.py new file mode 100644 index 0000000..a80ed9a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/message_logger.py @@ -0,0 +1,85 @@ +import logging +from typing import Any + +from asgiref.typing import ( + ASGI3Application, + ASGIReceiveCallable, + ASGIReceiveEvent, + ASGISendCallable, + ASGISendEvent, + WWWScope, +) + +from uvicorn.logging import TRACE_LOG_LEVEL + +PLACEHOLDER_FORMAT = { + "body": "<{length} bytes>", + "bytes": "<{length} bytes>", + "text": "<{length} chars>", + "headers": "<...>", +} + + +def message_with_placeholders(message: Any) -> Any: + """ + Return an ASGI message, with any body-type content omitted and replaced + with a placeholder. + """ + new_message = message.copy() + for attr in PLACEHOLDER_FORMAT.keys(): + if message.get(attr) is not None: + content = message[attr] + placeholder = PLACEHOLDER_FORMAT[attr].format(length=len(content)) + new_message[attr] = placeholder + return new_message + + +class MessageLoggerMiddleware: + def __init__(self, app: ASGI3Application): + self.task_counter = 0 + self.app = app + self.logger = logging.getLogger("uvicorn.asgi") + + def trace(message: Any, *args: Any, **kwargs: Any) -> None: + self.logger.log(TRACE_LOG_LEVEL, message, *args, **kwargs) + + self.logger.trace = trace # type: ignore + + async def __call__( + self, scope: WWWScope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + self.task_counter += 1 + + task_counter = self.task_counter + client = scope.get("client") + prefix = "%s:%d - ASGI" % (client[0], client[1]) if client else "ASGI" + + async def inner_receive() -> ASGIReceiveEvent: + message = await receive() + logged_message = message_with_placeholders(message) + log_text = "%s [%d] Receive %s" + self.logger.trace( # type: ignore + log_text, prefix, task_counter, logged_message + ) + return message + + async def inner_send(message: ASGISendEvent) -> None: + logged_message = message_with_placeholders(message) + log_text = "%s [%d] Send %s" + self.logger.trace( # type: ignore + log_text, prefix, task_counter, logged_message + ) + await send(message) + + logged_scope = message_with_placeholders(scope) + log_text = "%s [%d] Started scope=%s" + self.logger.trace(log_text, prefix, task_counter, logged_scope) # type: ignore + try: + await self.app(scope, inner_receive, inner_send) + except BaseException as exc: + log_text = "%s [%d] Raised exception" + self.logger.trace(log_text, prefix, task_counter) # type: ignore + raise exc from None + else: + log_text = "%s [%d] Completed" + self.logger.trace(log_text, prefix, task_counter) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py new file mode 100644 index 0000000..5445e7b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/proxy_headers.py @@ -0,0 +1,75 @@ +""" +This middleware can be used when a known proxy is fronting the application, +and is trusted to be properly setting the `X-Forwarded-Proto` and +`X-Forwarded-For` headers with the connecting client information. + +Modifies the `client` and `scheme` information so that they reference +the connecting client, rather that the connecting proxy. + +https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers#Proxies +""" +from typing import List, Optional, Tuple, Union, cast + +from asgiref.typing import ( + ASGI3Application, + ASGIReceiveCallable, + ASGISendCallable, + HTTPScope, + Scope, + WebSocketScope, +) + + +class ProxyHeadersMiddleware: + def __init__( + self, app: ASGI3Application, trusted_hosts: Union[List[str], str] = "127.0.0.1" + ) -> None: + self.app = app + if isinstance(trusted_hosts, str): + self.trusted_hosts = {item.strip() for item in trusted_hosts.split(",")} + else: + self.trusted_hosts = set(trusted_hosts) + self.always_trust = "*" in self.trusted_hosts + + def get_trusted_client_host( + self, x_forwarded_for_hosts: List[str] + ) -> Optional[str]: + if self.always_trust: + return x_forwarded_for_hosts[0] + + for host in reversed(x_forwarded_for_hosts): + if host not in self.trusted_hosts: + return host + + return None + + async def __call__( + self, scope: Scope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + if scope["type"] in ("http", "websocket"): + scope = cast(Union[HTTPScope, WebSocketScope], scope) + client_addr: Optional[Tuple[str, int]] = scope.get("client") + client_host = client_addr[0] if client_addr else None + + if self.always_trust or client_host in self.trusted_hosts: + headers = dict(scope["headers"]) + + if b"x-forwarded-proto" in headers: + # Determine if the incoming request was http or https based on + # the X-Forwarded-Proto header. + x_forwarded_proto = headers[b"x-forwarded-proto"].decode("latin1") + scope["scheme"] = x_forwarded_proto.strip() # type: ignore[index] + + if b"x-forwarded-for" in headers: + # Determine the client address from the last trusted IP in the + # X-Forwarded-For header. We've lost the connecting client's port + # information by now, so only include the host. + x_forwarded_for = headers[b"x-forwarded-for"].decode("latin1") + x_forwarded_for_hosts = [ + item.strip() for item in x_forwarded_for.split(",") + ] + host = self.get_trusted_client_host(x_forwarded_for_hosts) + port = 0 + scope["client"] = (host, port) # type: ignore[index] + + return await self.app(scope, receive, send) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/wsgi.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/wsgi.py new file mode 100644 index 0000000..03a0a3a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/middleware/wsgi.py @@ -0,0 +1,178 @@ +import asyncio +import concurrent.futures +import io +import sys +from typing import Iterable, List, Optional, Tuple + +from asgiref.typing import ( + ASGIReceiveCallable, + ASGIReceiveEvent, + ASGISendCallable, + ASGISendEvent, + HTTPRequestEvent, + HTTPResponseBodyEvent, + HTTPResponseStartEvent, + HTTPScope, +) + +from uvicorn._types import Environ, ExcInfo, StartResponse, WSGIApp + + +def build_environ(scope: HTTPScope, message: ASGIReceiveEvent, body: bytes) -> Environ: + """ + Builds a scope and request message into a WSGI environ object. + """ + environ = { + "REQUEST_METHOD": scope["method"], + "SCRIPT_NAME": "", + "PATH_INFO": scope["path"].encode("utf8").decode("latin1"), + "QUERY_STRING": scope["query_string"].decode("ascii"), + "SERVER_PROTOCOL": "HTTP/%s" % scope["http_version"], + "wsgi.version": (1, 0), + "wsgi.url_scheme": scope.get("scheme", "http"), + "wsgi.input": io.BytesIO(body), + "wsgi.errors": sys.stdout, + "wsgi.multithread": True, + "wsgi.multiprocess": True, + "wsgi.run_once": False, + } + + # Get server name and port - required in WSGI, not in ASGI + server = scope.get("server") + if server is None: + server = ("localhost", 80) + environ["SERVER_NAME"] = server[0] + environ["SERVER_PORT"] = server[1] + + # Get client IP address + client = scope.get("client") + if client is not None: + environ["REMOTE_ADDR"] = client[0] + + # Go through headers and make them into environ entries + for name, value in scope.get("headers", []): + name_str: str = name.decode("latin1") + if name_str == "content-length": + corrected_name = "CONTENT_LENGTH" + elif name_str == "content-type": + corrected_name = "CONTENT_TYPE" + else: + corrected_name = "HTTP_%s" % name_str.upper().replace("-", "_") + # HTTPbis say only ASCII chars are allowed in headers, but we latin1 + # just in case + value_str: str = value.decode("latin1") + if corrected_name in environ: + corrected_name_environ = environ[corrected_name] + assert isinstance(corrected_name_environ, str) + value_str = corrected_name_environ + "," + value_str + environ[corrected_name] = value_str + return environ + + +class WSGIMiddleware: + def __init__(self, app: WSGIApp, workers: int = 10): + self.app = app + self.executor = concurrent.futures.ThreadPoolExecutor(max_workers=workers) + + async def __call__( + self, scope: HTTPScope, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + assert scope["type"] == "http" + instance = WSGIResponder(self.app, self.executor, scope) + await instance(receive, send) + + +class WSGIResponder: + def __init__( + self, + app: WSGIApp, + executor: concurrent.futures.ThreadPoolExecutor, + scope: HTTPScope, + ): + self.app = app + self.executor = executor + self.scope = scope + self.status = None + self.response_headers = None + self.send_event = asyncio.Event() + self.send_queue: List[Optional[ASGISendEvent]] = [] + self.loop: asyncio.AbstractEventLoop = asyncio.get_event_loop() + self.response_started = False + self.exc_info: Optional[ExcInfo] = None + + async def __call__( + self, receive: ASGIReceiveCallable, send: ASGISendCallable + ) -> None: + message: HTTPRequestEvent = await receive() # type: ignore[assignment] + body = message.get("body", b"") + more_body = message.get("more_body", False) + while more_body: + body_message: HTTPRequestEvent = await receive() # type: ignore[assignment] + body += body_message.get("body", b"") + more_body = body_message.get("more_body", False) + environ = build_environ(self.scope, message, body) + self.loop = asyncio.get_event_loop() + wsgi = self.loop.run_in_executor( + self.executor, self.wsgi, environ, self.start_response + ) + sender = self.loop.create_task(self.sender(send)) + try: + await asyncio.wait_for(wsgi, None) + finally: + self.send_queue.append(None) + self.send_event.set() + await asyncio.wait_for(sender, None) + if self.exc_info is not None: + raise self.exc_info[0].with_traceback(self.exc_info[1], self.exc_info[2]) + + async def sender(self, send: ASGISendCallable) -> None: + while True: + if self.send_queue: + message = self.send_queue.pop(0) + if message is None: + return + await send(message) + else: + await self.send_event.wait() + self.send_event.clear() + + def start_response( + self, + status: str, + response_headers: Iterable[Tuple[str, str]], + exc_info: Optional[ExcInfo] = None, + ) -> None: + self.exc_info = exc_info + if not self.response_started: + self.response_started = True + status_code_str, _ = status.split(" ", 1) + status_code = int(status_code_str) + headers = [ + (name.encode("ascii"), value.encode("ascii")) + for name, value in response_headers + ] + http_response_start_event: HTTPResponseStartEvent = { + "type": "http.response.start", + "status": status_code, + "headers": headers, + } + self.send_queue.append(http_response_start_event) + self.loop.call_soon_threadsafe(self.send_event.set) + + def wsgi(self, environ: Environ, start_response: StartResponse) -> None: + for chunk in self.app(environ, start_response): # type: ignore + response_body: HTTPResponseBodyEvent = { + "type": "http.response.body", + "body": chunk, + "more_body": True, + } + self.send_queue.append(response_body) + self.loop.call_soon_threadsafe(self.send_event.set) + + empty_body: HTTPResponseBodyEvent = { + "type": "http.response.body", + "body": b"", + "more_body": False, + } + self.send_queue.append(empty_body) + self.loop.call_soon_threadsafe(self.send_event.set) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/auto.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/auto.py new file mode 100644 index 0000000..1aa9967 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/auto.py @@ -0,0 +1,14 @@ +import asyncio +from typing import Type + +AutoHTTPProtocol: Type[asyncio.Protocol] +try: + import httptools # noqa +except ImportError: # pragma: no cover + from uvicorn.protocols.http.h11_impl import H11Protocol + + AutoHTTPProtocol = H11Protocol +else: # pragma: no cover + from uvicorn.protocols.http.httptools_impl import HttpToolsProtocol + + AutoHTTPProtocol = HttpToolsProtocol diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/flow_control.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/flow_control.py new file mode 100644 index 0000000..a499923 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/flow_control.py @@ -0,0 +1,66 @@ +import asyncio + +from asgiref.typing import ( + ASGIReceiveCallable, + ASGISendCallable, + HTTPResponseBodyEvent, + HTTPResponseStartEvent, + Scope, +) + +CLOSE_HEADER = (b"connection", b"close") + +HIGH_WATER_LIMIT = 65536 + + +class FlowControl: + def __init__(self, transport: asyncio.Transport) -> None: + self._transport = transport + self.read_paused = False + self.write_paused = False + self._is_writable_event = asyncio.Event() + self._is_writable_event.set() + + async def drain(self) -> None: + await self._is_writable_event.wait() + + def pause_reading(self) -> None: + if not self.read_paused: + self.read_paused = True + self._transport.pause_reading() + + def resume_reading(self) -> None: + if self.read_paused: + self.read_paused = False + self._transport.resume_reading() + + def pause_writing(self) -> None: + if not self.write_paused: + self.write_paused = True + self._is_writable_event.clear() + + def resume_writing(self) -> None: + if self.write_paused: + self.write_paused = False + self._is_writable_event.set() + + +async def service_unavailable( + scope: Scope, receive: ASGIReceiveCallable, send: ASGISendCallable +) -> None: + response_start: HTTPResponseStartEvent = { + "type": "http.response.start", + "status": 503, + "headers": [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ], + } + await send(response_start) + + response_body: HTTPResponseBodyEvent = { + "type": "http.response.body", + "body": b"Service Unavailable", + "more_body": False, + } + await send(response_body) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py new file mode 100644 index 0000000..04b997f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/h11_impl.py @@ -0,0 +1,516 @@ +import asyncio +import http +import logging +from typing import Callable +from urllib.parse import unquote + +import h11 + +from uvicorn.logging import TRACE_LOG_LEVEL +from uvicorn.protocols.http.flow_control import ( + CLOSE_HEADER, + HIGH_WATER_LIMIT, + FlowControl, + service_unavailable, +) +from uvicorn.protocols.utils import ( + get_client_addr, + get_local_addr, + get_path_with_query_string, + get_remote_addr, + is_ssl, +) + + +def _get_status_phrase(status_code): + try: + return http.HTTPStatus(status_code).phrase.encode() + except ValueError: + return b"" + + +STATUS_PHRASES = { + status_code: _get_status_phrase(status_code) for status_code in range(100, 600) +} + + +class H11Protocol(asyncio.Protocol): + def __init__( + self, config, server_state, on_connection_lost: Callable = None, _loop=None + ): + if not config.loaded: + config.load() + + self.config = config + self.app = config.loaded_app + self.on_connection_lost = on_connection_lost + self.loop = _loop or asyncio.get_event_loop() + self.logger = logging.getLogger("uvicorn.error") + self.access_logger = logging.getLogger("uvicorn.access") + self.access_log = self.access_logger.hasHandlers() + self.conn = h11.Connection(h11.SERVER) + self.ws_protocol_class = config.ws_protocol_class + self.root_path = config.root_path + self.limit_concurrency = config.limit_concurrency + + # Timeouts + self.timeout_keep_alive_task = None + self.timeout_keep_alive = config.timeout_keep_alive + + # Shared server state + self.server_state = server_state + self.connections = server_state.connections + self.tasks = server_state.tasks + self.default_headers = server_state.default_headers + + # Per-connection state + self.transport = None + self.flow = None + self.server = None + self.client = None + self.scheme = None + + # Per-request state + self.scope = None + self.headers = None + self.cycle = None + + # Protocol interface + def connection_made(self, transport): + self.connections.add(self) + + self.transport = transport + self.flow = FlowControl(transport) + self.server = get_local_addr(transport) + self.client = get_remote_addr(transport) + self.scheme = "https" if is_ssl(transport) else "http" + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sHTTP connection made", prefix) + + def connection_lost(self, exc): + self.connections.discard(self) + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sHTTP connection lost", prefix) + + if self.cycle and not self.cycle.response_complete: + self.cycle.disconnected = True + if self.conn.our_state != h11.ERROR: + event = h11.ConnectionClosed() + try: + self.conn.send(event) + except h11.LocalProtocolError: + # Premature client disconnect + pass + + if self.cycle is not None: + self.cycle.message_event.set() + if self.flow is not None: + self.flow.resume_writing() + if exc is None: + self.transport.close() + + if self.on_connection_lost is not None: + self.on_connection_lost() + + def eof_received(self): + pass + + def _unset_keepalive_if_required(self): + if self.timeout_keep_alive_task is not None: + self.timeout_keep_alive_task.cancel() + self.timeout_keep_alive_task = None + + def data_received(self, data): + self._unset_keepalive_if_required() + + self.conn.receive_data(data) + self.handle_events() + + def handle_events(self): + while True: + try: + event = self.conn.next_event() + except h11.RemoteProtocolError as exc: + msg = "Invalid HTTP request received." + self.logger.warning(msg, exc_info=exc) + self.transport.close() + return + event_type = type(event) + + if event_type is h11.NEED_DATA: + break + + elif event_type is h11.PAUSED: + # This case can occur in HTTP pipelining, so we need to + # stop reading any more data, and ensure that at the end + # of the active request/response cycle we handle any + # events that have been buffered up. + self.flow.pause_reading() + break + + elif event_type is h11.Request: + self.headers = [(key.lower(), value) for key, value in event.headers] + raw_path, _, query_string = event.target.partition(b"?") + self.scope = { + "type": "http", + "asgi": { + "version": self.config.asgi_version, + "spec_version": "2.1", + }, + "http_version": event.http_version.decode("ascii"), + "server": self.server, + "client": self.client, + "scheme": self.scheme, + "method": event.method.decode("ascii"), + "root_path": self.root_path, + "path": unquote(raw_path.decode("ascii")), + "raw_path": raw_path, + "query_string": query_string, + "headers": self.headers, + } + + for name, value in self.headers: + if name == b"connection": + tokens = [token.lower().strip() for token in value.split(b",")] + if b"upgrade" in tokens: + self.handle_upgrade(event) + return + + # Handle 503 responses when 'limit_concurrency' is exceeded. + if self.limit_concurrency is not None and ( + len(self.connections) >= self.limit_concurrency + or len(self.tasks) >= self.limit_concurrency + ): + app = service_unavailable + message = "Exceeded concurrency limit." + self.logger.warning(message) + else: + app = self.app + + self.cycle = RequestResponseCycle( + scope=self.scope, + conn=self.conn, + transport=self.transport, + flow=self.flow, + logger=self.logger, + access_logger=self.access_logger, + access_log=self.access_log, + default_headers=self.default_headers, + message_event=asyncio.Event(), + on_response=self.on_response_complete, + ) + task = self.loop.create_task(self.cycle.run_asgi(app)) + task.add_done_callback(self.tasks.discard) + self.tasks.add(task) + + elif event_type is h11.Data: + if self.conn.our_state is h11.DONE: + continue + self.cycle.body += event.data + if len(self.cycle.body) > HIGH_WATER_LIMIT: + self.flow.pause_reading() + self.cycle.message_event.set() + + elif event_type is h11.EndOfMessage: + if self.conn.our_state is h11.DONE: + self.transport.resume_reading() + self.conn.start_next_cycle() + continue + self.cycle.more_body = False + self.cycle.message_event.set() + + def handle_upgrade(self, event): + upgrade_value = None + for name, value in self.headers: + if name == b"upgrade": + upgrade_value = value.lower() + + if upgrade_value != b"websocket" or self.ws_protocol_class is None: + msg = "Unsupported upgrade request." + self.logger.warning(msg) + + from uvicorn.protocols.websockets.auto import AutoWebSocketsProtocol + + if AutoWebSocketsProtocol is None: + msg = "No supported WebSocket library detected. Please use 'pip install uvicorn[standard]', or install 'websockets' or 'wsproto' manually." # noqa: E501 + self.logger.warning(msg) + + reason = STATUS_PHRASES[400] + headers = [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ] + event = h11.Response(status_code=400, headers=headers, reason=reason) + output = self.conn.send(event) + self.transport.write(output) + event = h11.Data(data=b"Unsupported upgrade request.") + output = self.conn.send(event) + self.transport.write(output) + event = h11.EndOfMessage() + output = self.conn.send(event) + self.transport.write(output) + self.transport.close() + return + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sUpgrading to WebSocket", prefix) + + self.connections.discard(self) + output = [event.method, b" ", event.target, b" HTTP/1.1\r\n"] + for name, value in self.headers: + output += [name, b": ", value, b"\r\n"] + output.append(b"\r\n") + protocol = self.ws_protocol_class( + config=self.config, + server_state=self.server_state, + on_connection_lost=self.on_connection_lost, + ) + protocol.connection_made(self.transport) + protocol.data_received(b"".join(output)) + self.transport.set_protocol(protocol) + + def on_response_complete(self): + self.server_state.total_requests += 1 + + if self.transport.is_closing(): + return + + # Set a short Keep-Alive timeout. + self._unset_keepalive_if_required() + + self.timeout_keep_alive_task = self.loop.call_later( + self.timeout_keep_alive, self.timeout_keep_alive_handler + ) + + # Unpause data reads if needed. + self.flow.resume_reading() + + # Unblock any pipelined events. + if self.conn.our_state is h11.DONE and self.conn.their_state is h11.DONE: + self.conn.start_next_cycle() + self.handle_events() + + def shutdown(self): + """ + Called by the server to commence a graceful shutdown. + """ + if self.cycle is None or self.cycle.response_complete: + event = h11.ConnectionClosed() + self.conn.send(event) + self.transport.close() + else: + self.cycle.keep_alive = False + + def pause_writing(self): + """ + Called by the transport when the write buffer exceeds the high water mark. + """ + self.flow.pause_writing() + + def resume_writing(self): + """ + Called by the transport when the write buffer drops below the low water mark. + """ + self.flow.resume_writing() + + def timeout_keep_alive_handler(self): + """ + Called on a keep-alive connection if no new data is received after a short + delay. + """ + if not self.transport.is_closing(): + event = h11.ConnectionClosed() + self.conn.send(event) + self.transport.close() + + +class RequestResponseCycle: + def __init__( + self, + scope, + conn, + transport, + flow, + logger, + access_logger, + access_log, + default_headers, + message_event, + on_response, + ): + self.scope = scope + self.conn = conn + self.transport = transport + self.flow = flow + self.logger = logger + self.access_logger = access_logger + self.access_log = access_log + self.default_headers = default_headers + self.message_event = message_event + self.on_response = on_response + + # Connection state + self.disconnected = False + self.keep_alive = True + self.waiting_for_100_continue = conn.they_are_waiting_for_100_continue + + # Request state + self.body = b"" + self.more_body = True + + # Response state + self.response_started = False + self.response_complete = False + + # ASGI exception wrapper + async def run_asgi(self, app): + try: + result = await app(self.scope, self.receive, self.send) + except BaseException as exc: + msg = "Exception in ASGI application\n" + self.logger.error(msg, exc_info=exc) + if not self.response_started: + await self.send_500_response() + else: + self.transport.close() + else: + if result is not None: + msg = "ASGI callable should return None, but returned '%s'." + self.logger.error(msg, result) + self.transport.close() + elif not self.response_started and not self.disconnected: + msg = "ASGI callable returned without starting response." + self.logger.error(msg) + await self.send_500_response() + elif not self.response_complete and not self.disconnected: + msg = "ASGI callable returned without completing response." + self.logger.error(msg) + self.transport.close() + finally: + self.on_response = None + + async def send_500_response(self): + await self.send( + { + "type": "http.response.start", + "status": 500, + "headers": [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ], + } + ) + await self.send( + {"type": "http.response.body", "body": b"Internal Server Error"} + ) + + # ASGI interface + async def send(self, message): + message_type = message["type"] + + if self.flow.write_paused and not self.disconnected: + await self.flow.drain() + + if self.disconnected: + return + + if not self.response_started: + # Sending response status line and headers + if message_type != "http.response.start": + msg = "Expected ASGI message 'http.response.start', but got '%s'." + raise RuntimeError(msg % message_type) + + self.response_started = True + self.waiting_for_100_continue = False + + status_code = message["status"] + headers = self.default_headers + message.get("headers", []) + + if CLOSE_HEADER in self.scope["headers"] and CLOSE_HEADER not in headers: + headers = headers + [CLOSE_HEADER] + + if self.access_log: + self.access_logger.info( + '%s - "%s %s HTTP/%s" %d', + get_client_addr(self.scope), + self.scope["method"], + get_path_with_query_string(self.scope), + self.scope["http_version"], + status_code, + ) + + # Write response status line and headers + reason = STATUS_PHRASES[status_code] + event = h11.Response( + status_code=status_code, headers=headers, reason=reason + ) + output = self.conn.send(event) + self.transport.write(output) + + elif not self.response_complete: + # Sending response body + if message_type != "http.response.body": + msg = "Expected ASGI message 'http.response.body', but got '%s'." + raise RuntimeError(msg % message_type) + + body = message.get("body", b"") + more_body = message.get("more_body", False) + + # Write response body + if self.scope["method"] == "HEAD": + event = h11.Data(data=b"") + else: + event = h11.Data(data=body) + output = self.conn.send(event) + self.transport.write(output) + + # Handle response completion + if not more_body: + self.response_complete = True + self.message_event.set() + event = h11.EndOfMessage() + output = self.conn.send(event) + self.transport.write(output) + + else: + # Response already sent + msg = "Unexpected ASGI message '%s' sent, after response already completed." + raise RuntimeError(msg % message_type) + + if self.response_complete: + if self.conn.our_state is h11.MUST_CLOSE or not self.keep_alive: + event = h11.ConnectionClosed() + self.conn.send(event) + self.transport.close() + self.on_response() + + async def receive(self): + if self.waiting_for_100_continue and not self.transport.is_closing(): + event = h11.InformationalResponse( + status_code=100, headers=[], reason="Continue" + ) + output = self.conn.send(event) + self.transport.write(output) + self.waiting_for_100_continue = False + + if not self.disconnected and not self.response_complete: + self.flow.resume_reading() + await self.message_event.wait() + self.message_event.clear() + + if self.disconnected or self.response_complete: + message = {"type": "http.disconnect"} + else: + message = { + "type": "http.request", + "body": self.body, + "more_body": self.more_body, + } + self.body = b"" + + return message diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/httptools_impl.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/httptools_impl.py new file mode 100644 index 0000000..557bd4f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/http/httptools_impl.py @@ -0,0 +1,544 @@ +import asyncio +import http +import logging +import re +import urllib +from typing import Callable + +import httptools + +from uvicorn.logging import TRACE_LOG_LEVEL +from uvicorn.protocols.http.flow_control import ( + CLOSE_HEADER, + HIGH_WATER_LIMIT, + FlowControl, + service_unavailable, +) +from uvicorn.protocols.utils import ( + get_client_addr, + get_local_addr, + get_path_with_query_string, + get_remote_addr, + is_ssl, +) + +HEADER_RE = re.compile(b'[\x00-\x1F\x7F()<>@,;:[]={} \t\\"]') +HEADER_VALUE_RE = re.compile(b"[\x00-\x1F\x7F]") + + +def _get_status_line(status_code): + try: + phrase = http.HTTPStatus(status_code).phrase.encode() + except ValueError: + phrase = b"" + return b"".join([b"HTTP/1.1 ", str(status_code).encode(), b" ", phrase, b"\r\n"]) + + +STATUS_LINE = { + status_code: _get_status_line(status_code) for status_code in range(100, 600) +} + + +class HttpToolsProtocol(asyncio.Protocol): + def __init__( + self, config, server_state, on_connection_lost: Callable = None, _loop=None + ): + if not config.loaded: + config.load() + + self.config = config + self.app = config.loaded_app + self.on_connection_lost = on_connection_lost + self.loop = _loop or asyncio.get_event_loop() + self.logger = logging.getLogger("uvicorn.error") + self.access_logger = logging.getLogger("uvicorn.access") + self.access_log = self.access_logger.hasHandlers() + self.parser = httptools.HttpRequestParser(self) + self.ws_protocol_class = config.ws_protocol_class + self.root_path = config.root_path + self.limit_concurrency = config.limit_concurrency + + # Timeouts + self.timeout_keep_alive_task = None + self.timeout_keep_alive = config.timeout_keep_alive + + # Global state + self.server_state = server_state + self.connections = server_state.connections + self.tasks = server_state.tasks + self.default_headers = server_state.default_headers + + # Per-connection state + self.transport = None + self.flow = None + self.server = None + self.client = None + self.scheme = None + self.pipeline = [] + + # Per-request state + self.url = None + self.scope = None + self.headers = None + self.expect_100_continue = False + self.cycle = None + + # Protocol interface + def connection_made(self, transport): + self.connections.add(self) + + self.transport = transport + self.flow = FlowControl(transport) + self.server = get_local_addr(transport) + self.client = get_remote_addr(transport) + self.scheme = "https" if is_ssl(transport) else "http" + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sHTTP connection made", prefix) + + def connection_lost(self, exc): + self.connections.discard(self) + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sHTTP connection lost", prefix) + + if self.cycle and not self.cycle.response_complete: + self.cycle.disconnected = True + if self.cycle is not None: + self.cycle.message_event.set() + if self.flow is not None: + self.flow.resume_writing() + if exc is None: + self.transport.close() + + if self.on_connection_lost is not None: + self.on_connection_lost() + + def eof_received(self): + pass + + def _unset_keepalive_if_required(self): + if self.timeout_keep_alive_task is not None: + self.timeout_keep_alive_task.cancel() + self.timeout_keep_alive_task = None + + def data_received(self, data): + self._unset_keepalive_if_required() + + try: + self.parser.feed_data(data) + except httptools.HttpParserError as exc: + msg = "Invalid HTTP request received." + self.logger.warning(msg, exc_info=exc) + self.transport.close() + except httptools.HttpParserUpgrade: + self.handle_upgrade() + + def handle_upgrade(self): + upgrade_value = None + for name, value in self.headers: + if name == b"upgrade": + upgrade_value = value.lower() + + if upgrade_value != b"websocket" or self.ws_protocol_class is None: + msg = "Unsupported upgrade request." + self.logger.warning(msg) + + from uvicorn.protocols.websockets.auto import AutoWebSocketsProtocol + + if AutoWebSocketsProtocol is None: + msg = "No supported WebSocket library detected. Please use 'pip install uvicorn[standard]', or install 'websockets' or 'wsproto' manually." # noqa: E501 + self.logger.warning(msg) + + content = [STATUS_LINE[400]] + for name, value in self.default_headers: + content.extend([name, b": ", value, b"\r\n"]) + content.extend( + [ + b"content-type: text/plain; charset=utf-8\r\n", + b"content-length: " + str(len(msg)).encode("ascii") + b"\r\n", + b"connection: close\r\n", + b"\r\n", + msg.encode("ascii"), + ] + ) + self.transport.write(b"".join(content)) + self.transport.close() + return + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sUpgrading to WebSocket", prefix) + + self.connections.discard(self) + method = self.scope["method"].encode() + output = [method, b" ", self.url, b" HTTP/1.1\r\n"] + for name, value in self.scope["headers"]: + output += [name, b": ", value, b"\r\n"] + output.append(b"\r\n") + protocol = self.ws_protocol_class( + config=self.config, + server_state=self.server_state, + on_connection_lost=self.on_connection_lost, + ) + protocol.connection_made(self.transport) + protocol.data_received(b"".join(output)) + self.transport.set_protocol(protocol) + + # Parser callbacks + def on_url(self, url): + method = self.parser.get_method() + parsed_url = httptools.parse_url(url) + raw_path = parsed_url.path + path = raw_path.decode("ascii") + if "%" in path: + path = urllib.parse.unquote(path) + self.url = url + self.expect_100_continue = False + self.headers = [] + self.scope = { + "type": "http", + "asgi": {"version": self.config.asgi_version, "spec_version": "2.1"}, + "http_version": "1.1", + "server": self.server, + "client": self.client, + "scheme": self.scheme, + "method": method.decode("ascii"), + "root_path": self.root_path, + "path": path, + "raw_path": raw_path, + "query_string": parsed_url.query if parsed_url.query else b"", + "headers": self.headers, + } + + def on_header(self, name: bytes, value: bytes): + name = name.lower() + if name == b"expect" and value.lower() == b"100-continue": + self.expect_100_continue = True + self.headers.append((name, value)) + + def on_headers_complete(self): + http_version = self.parser.get_http_version() + if http_version != "1.1": + self.scope["http_version"] = http_version + if self.parser.should_upgrade(): + return + + # Handle 503 responses when 'limit_concurrency' is exceeded. + if self.limit_concurrency is not None and ( + len(self.connections) >= self.limit_concurrency + or len(self.tasks) >= self.limit_concurrency + ): + app = service_unavailable + message = "Exceeded concurrency limit." + self.logger.warning(message) + else: + app = self.app + + existing_cycle = self.cycle + self.cycle = RequestResponseCycle( + scope=self.scope, + transport=self.transport, + flow=self.flow, + logger=self.logger, + access_logger=self.access_logger, + access_log=self.access_log, + default_headers=self.default_headers, + message_event=asyncio.Event(), + expect_100_continue=self.expect_100_continue, + keep_alive=http_version != "1.0", + on_response=self.on_response_complete, + ) + if existing_cycle is None or existing_cycle.response_complete: + # Standard case - start processing the request. + task = self.loop.create_task(self.cycle.run_asgi(app)) + task.add_done_callback(self.tasks.discard) + self.tasks.add(task) + else: + # Pipelined HTTP requests need to be queued up. + self.flow.pause_reading() + self.pipeline.insert(0, (self.cycle, app)) + + def on_body(self, body: bytes): + if self.parser.should_upgrade() or self.cycle.response_complete: + return + self.cycle.body += body + if len(self.cycle.body) > HIGH_WATER_LIMIT: + self.flow.pause_reading() + self.cycle.message_event.set() + + def on_message_complete(self): + if self.parser.should_upgrade() or self.cycle.response_complete: + return + self.cycle.more_body = False + self.cycle.message_event.set() + + def on_response_complete(self): + # Callback for pipelined HTTP requests to be started. + self.server_state.total_requests += 1 + + if self.transport.is_closing(): + return + + # Set a short Keep-Alive timeout. + self._unset_keepalive_if_required() + + self.timeout_keep_alive_task = self.loop.call_later( + self.timeout_keep_alive, self.timeout_keep_alive_handler + ) + + # Unpause data reads if needed. + self.flow.resume_reading() + + # Unblock any pipelined events. + if self.pipeline: + cycle, app = self.pipeline.pop() + task = self.loop.create_task(cycle.run_asgi(app)) + task.add_done_callback(self.tasks.discard) + self.tasks.add(task) + + def shutdown(self): + """ + Called by the server to commence a graceful shutdown. + """ + if self.cycle is None or self.cycle.response_complete: + self.transport.close() + else: + self.cycle.keep_alive = False + + def pause_writing(self): + """ + Called by the transport when the write buffer exceeds the high water mark. + """ + self.flow.pause_writing() + + def resume_writing(self): + """ + Called by the transport when the write buffer drops below the low water mark. + """ + self.flow.resume_writing() + + def timeout_keep_alive_handler(self): + """ + Called on a keep-alive connection if no new data is received after a short + delay. + """ + if not self.transport.is_closing(): + self.transport.close() + + +class RequestResponseCycle: + def __init__( + self, + scope, + transport, + flow, + logger, + access_logger, + access_log, + default_headers, + message_event, + expect_100_continue, + keep_alive, + on_response, + ): + self.scope = scope + self.transport = transport + self.flow = flow + self.logger = logger + self.access_logger = access_logger + self.access_log = access_log + self.default_headers = default_headers + self.message_event = message_event + self.on_response = on_response + + # Connection state + self.disconnected = False + self.keep_alive = keep_alive + self.waiting_for_100_continue = expect_100_continue + + # Request state + self.body = b"" + self.more_body = True + + # Response state + self.response_started = False + self.response_complete = False + self.chunked_encoding = None + self.expected_content_length = 0 + + # ASGI exception wrapper + async def run_asgi(self, app): + try: + result = await app(self.scope, self.receive, self.send) + except BaseException as exc: + msg = "Exception in ASGI application\n" + self.logger.error(msg, exc_info=exc) + if not self.response_started: + await self.send_500_response() + else: + self.transport.close() + else: + if result is not None: + msg = "ASGI callable should return None, but returned '%s'." + self.logger.error(msg, result) + self.transport.close() + elif not self.response_started and not self.disconnected: + msg = "ASGI callable returned without starting response." + self.logger.error(msg) + await self.send_500_response() + elif not self.response_complete and not self.disconnected: + msg = "ASGI callable returned without completing response." + self.logger.error(msg) + self.transport.close() + finally: + self.on_response = None + + async def send_500_response(self): + await self.send( + { + "type": "http.response.start", + "status": 500, + "headers": [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ], + } + ) + await self.send( + {"type": "http.response.body", "body": b"Internal Server Error"} + ) + + # ASGI interface + async def send(self, message): + message_type = message["type"] + + if self.flow.write_paused and not self.disconnected: + await self.flow.drain() + + if self.disconnected: + return + + if not self.response_started: + # Sending response status line and headers + if message_type != "http.response.start": + msg = "Expected ASGI message 'http.response.start', but got '%s'." + raise RuntimeError(msg % message_type) + + self.response_started = True + self.waiting_for_100_continue = False + + status_code = message["status"] + headers = self.default_headers + list(message.get("headers", [])) + + if CLOSE_HEADER in self.scope["headers"] and CLOSE_HEADER not in headers: + headers = headers + [CLOSE_HEADER] + + if self.access_log: + self.access_logger.info( + '%s - "%s %s HTTP/%s" %d', + get_client_addr(self.scope), + self.scope["method"], + get_path_with_query_string(self.scope), + self.scope["http_version"], + status_code, + ) + + # Write response status line and headers + content = [STATUS_LINE[status_code]] + + for name, value in headers: + if HEADER_RE.search(name): + raise RuntimeError("Invalid HTTP header name.") + if HEADER_VALUE_RE.search(value): + raise RuntimeError("Invalid HTTP header value.") + + name = name.lower() + if name == b"content-length" and self.chunked_encoding is None: + self.expected_content_length = int(value.decode()) + self.chunked_encoding = False + elif name == b"transfer-encoding" and value.lower() == b"chunked": + self.expected_content_length = 0 + self.chunked_encoding = True + elif name == b"connection" and value.lower() == b"close": + self.keep_alive = False + content.extend([name, b": ", value, b"\r\n"]) + + if ( + self.chunked_encoding is None + and self.scope["method"] != "HEAD" + and status_code not in (204, 304) + ): + # Neither content-length nor transfer-encoding specified + self.chunked_encoding = True + content.append(b"transfer-encoding: chunked\r\n") + + content.append(b"\r\n") + self.transport.write(b"".join(content)) + + elif not self.response_complete: + # Sending response body + if message_type != "http.response.body": + msg = "Expected ASGI message 'http.response.body', but got '%s'." + raise RuntimeError(msg % message_type) + + body = message.get("body", b"") + more_body = message.get("more_body", False) + + # Write response body + if self.scope["method"] == "HEAD": + self.expected_content_length = 0 + elif self.chunked_encoding: + if body: + content = [b"%x\r\n" % len(body), body, b"\r\n"] + else: + content = [] + if not more_body: + content.append(b"0\r\n\r\n") + self.transport.write(b"".join(content)) + else: + num_bytes = len(body) + if num_bytes > self.expected_content_length: + raise RuntimeError("Response content longer than Content-Length") + else: + self.expected_content_length -= num_bytes + self.transport.write(body) + + # Handle response completion + if not more_body: + if self.expected_content_length != 0: + raise RuntimeError("Response content shorter than Content-Length") + self.response_complete = True + self.message_event.set() + if not self.keep_alive: + self.transport.close() + self.on_response() + + else: + # Response already sent + msg = "Unexpected ASGI message '%s' sent, after response already completed." + raise RuntimeError(msg % message_type) + + async def receive(self): + if self.waiting_for_100_continue and not self.transport.is_closing(): + self.transport.write(b"HTTP/1.1 100 Continue\r\n\r\n") + self.waiting_for_100_continue = False + + if not self.disconnected and not self.response_complete: + self.flow.resume_reading() + await self.message_event.wait() + self.message_event.clear() + + if self.disconnected or self.response_complete: + message = {"type": "http.disconnect"} + else: + message = { + "type": "http.request", + "body": self.body, + "more_body": self.more_body, + } + self.body = b"" + + return message diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/utils.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/utils.py new file mode 100644 index 0000000..bbc84f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/utils.py @@ -0,0 +1,56 @@ +import asyncio +import urllib.parse +from typing import Optional, Tuple + +from asgiref.typing import WWWScope + + +def get_remote_addr(transport: asyncio.Transport) -> Optional[Tuple[str, int]]: + socket_info = transport.get_extra_info("socket") + if socket_info is not None: + try: + info = socket_info.getpeername() + return (str(info[0]), int(info[1])) if isinstance(info, tuple) else None + except OSError: + # This case appears to inconsistently occur with uvloop + # bound to a unix domain socket. + return None + + info = transport.get_extra_info("peername") + if info is not None and isinstance(info, (list, tuple)) and len(info) == 2: + return (str(info[0]), int(info[1])) + return None + + +def get_local_addr(transport: asyncio.Transport) -> Optional[Tuple[str, int]]: + socket_info = transport.get_extra_info("socket") + if socket_info is not None: + info = socket_info.getsockname() + + return (str(info[0]), int(info[1])) if isinstance(info, tuple) else None + info = transport.get_extra_info("sockname") + if info is not None and isinstance(info, (list, tuple)) and len(info) == 2: + return (str(info[0]), int(info[1])) + return None + + +def is_ssl(transport: asyncio.Transport) -> bool: + return bool(transport.get_extra_info("sslcontext")) + + +def get_client_addr(scope: WWWScope) -> str: + client = scope.get("client") + if not client: + return "" + return "%s:%d" % client + + +def get_path_with_query_string(scope: WWWScope) -> str: + path_with_query_string = urllib.parse.quote( + scope.get("root_path", "") + scope["path"] + ) + if scope["query_string"]: + path_with_query_string = "{}?{}".format( + path_with_query_string, scope["query_string"].decode("ascii") + ) + return path_with_query_string diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/auto.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/auto.py new file mode 100644 index 0000000..0dfba3b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/auto.py @@ -0,0 +1,19 @@ +import asyncio +import typing + +AutoWebSocketsProtocol: typing.Optional[typing.Type[asyncio.Protocol]] +try: + import websockets # noqa +except ImportError: # pragma: no cover + try: + import wsproto # noqa + except ImportError: + AutoWebSocketsProtocol = None + else: + from uvicorn.protocols.websockets.wsproto_impl import WSProtocol + + AutoWebSocketsProtocol = WSProtocol +else: + from uvicorn.protocols.websockets.websockets_impl import WebSocketProtocol + + AutoWebSocketsProtocol = WebSocketProtocol diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/websockets_impl.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/websockets_impl.py new file mode 100644 index 0000000..6f5c32f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/websockets_impl.py @@ -0,0 +1,302 @@ +import asyncio +import http +import inspect +import logging +from typing import TYPE_CHECKING, Callable +from urllib.parse import unquote + +import websockets +from websockets.extensions.permessage_deflate import ServerPerMessageDeflateFactory + +from uvicorn.logging import TRACE_LOG_LEVEL +from uvicorn.protocols.utils import get_local_addr, get_remote_addr, is_ssl + + +class Server: + closing = False + + def register(self, ws): + pass + + def unregister(self, ws): + pass + + def is_serving(self): + return not self.closing + + +# special case logger kwarg in websockets >=10 +# https://github.com/aaugustin/websockets/issues/1021#issuecomment-886222136 +if ( + TYPE_CHECKING + or "logger" in inspect.signature(websockets.WebSocketServerProtocol).parameters +): + + class _LoggerMixin: + pass + + +else: + + class _LoggerMixin: + def __init__(self, *args, logger, **kwargs): + super().__init__(*args, **kwargs) + self.logger = logging.LoggerAdapter(logger, {"websocket": self}) + + +class WebSocketProtocol(_LoggerMixin, websockets.WebSocketServerProtocol): + def __init__( + self, config, server_state, on_connection_lost: Callable = None, _loop=None + ): + if not config.loaded: + config.load() + + self.config = config + self.app = config.loaded_app + self.on_connection_lost = on_connection_lost + self.loop = _loop or asyncio.get_event_loop() + self.root_path = config.root_path + + # Shared server state + self.connections = server_state.connections + self.tasks = server_state.tasks + + # Connection state + self.transport = None + self.server = None + self.client = None + self.scheme = None + + # Connection events + self.scope = None + self.handshake_started_event = asyncio.Event() + self.handshake_completed_event = asyncio.Event() + self.closed_event = asyncio.Event() + self.initial_response = None + self.connect_sent = False + self.accepted_subprotocol = None + self.transfer_data_task = None + + self.ws_server = Server() + super().__init__( + ws_handler=self.ws_handler, + ws_server=self.ws_server, + max_size=self.config.ws_max_size, + ping_interval=self.config.ws_ping_interval, + ping_timeout=self.config.ws_ping_timeout, + extensions=[ServerPerMessageDeflateFactory()], + logger=logging.getLogger("uvicorn.error"), + ) + + def connection_made(self, transport): + self.connections.add(self) + self.transport = transport + self.server = get_local_addr(transport) + self.client = get_remote_addr(transport) + self.scheme = "wss" if is_ssl(transport) else "ws" + + if self.logger.isEnabledFor(TRACE_LOG_LEVEL): + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sWebSocket connection made", prefix) + + super().connection_made(transport) + + def connection_lost(self, exc): + self.connections.remove(self) + + if self.logger.isEnabledFor(TRACE_LOG_LEVEL): + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sWebSocket connection lost", prefix) + + self.handshake_completed_event.set() + super().connection_lost(exc) + if self.on_connection_lost is not None: + self.on_connection_lost() + if exc is None: + self.transport.close() + + def shutdown(self): + self.ws_server.closing = True + self.transport.close() + + def on_task_complete(self, task): + self.tasks.discard(task) + + async def process_request(self, path, headers): + """ + This hook is called to determine if the websocket should return + an HTTP response and close. + + Our behavior here is to start the ASGI application, and then wait + for either `accept` or `close` in order to determine if we should + close the connection. + """ + path_portion, _, query_string = path.partition("?") + + websockets.legacy.handshake.check_request(headers) + + subprotocols = [] + for header in headers.get_all("Sec-WebSocket-Protocol"): + subprotocols.extend([token.strip() for token in header.split(",")]) + + asgi_headers = [ + (name.encode("ascii"), value.encode("ascii")) + for name, value in headers.raw_items() + ] + + self.scope = { + "type": "websocket", + "asgi": {"version": self.config.asgi_version, "spec_version": "2.1"}, + "scheme": self.scheme, + "server": self.server, + "client": self.client, + "root_path": self.root_path, + "path": unquote(path_portion), + "raw_path": path_portion, + "query_string": query_string.encode("ascii"), + "headers": asgi_headers, + "subprotocols": subprotocols, + } + task = self.loop.create_task(self.run_asgi()) + task.add_done_callback(self.on_task_complete) + self.tasks.add(task) + await self.handshake_started_event.wait() + return self.initial_response + + def process_subprotocol(self, headers, available_subprotocols): + """ + We override the standard 'process_subprotocol' behavior here so that + we return whatever subprotocol is sent in the 'accept' message. + """ + return self.accepted_subprotocol + + def send_500_response(self): + msg = b"Internal Server Error" + content = [ + b"HTTP/1.1 500 Internal Server Error\r\n" + b"content-type: text/plain; charset=utf-8\r\n", + b"content-length: " + str(len(msg)).encode("ascii") + b"\r\n", + b"connection: close\r\n", + b"\r\n", + msg, + ] + self.transport.write(b"".join(content)) + # Allow handler task to terminate cleanly, as websockets doesn't cancel it by + # itself (see https://github.com/encode/uvicorn/issues/920) + self.handshake_started_event.set() + + async def ws_handler(self, protocol, path): + """ + This is the main handler function for the 'websockets' implementation + to call into. We just wait for close then return, and instead allow + 'send' and 'receive' events to drive the flow. + """ + self.handshake_completed_event.set() + await self.closed_event.wait() + + async def run_asgi(self): + """ + Wrapper around the ASGI callable, handling exceptions and unexpected + termination states. + """ + try: + result = await self.app(self.scope, self.asgi_receive, self.asgi_send) + except BaseException as exc: + self.closed_event.set() + msg = "Exception in ASGI application\n" + self.logger.error(msg, exc_info=exc) + if not self.handshake_started_event.is_set(): + self.send_500_response() + else: + await self.handshake_completed_event.wait() + self.transport.close() + else: + self.closed_event.set() + if not self.handshake_started_event.is_set(): + msg = "ASGI callable returned without sending handshake." + self.logger.error(msg) + self.send_500_response() + self.transport.close() + elif result is not None: + msg = "ASGI callable should return None, but returned '%s'." + self.logger.error(msg, result) + await self.handshake_completed_event.wait() + self.transport.close() + + async def asgi_send(self, message): + message_type = message["type"] + + if not self.handshake_started_event.is_set(): + if message_type == "websocket.accept": + self.logger.info( + '%s - "WebSocket %s" [accepted]', + self.scope["client"], + self.scope["root_path"] + self.scope["path"], + ) + self.initial_response = None + self.accepted_subprotocol = message.get("subprotocol") + self.handshake_started_event.set() + + elif message_type == "websocket.close": + self.logger.info( + '%s - "WebSocket %s" 403', + self.scope["client"], + self.scope["root_path"] + self.scope["path"], + ) + self.initial_response = (http.HTTPStatus.FORBIDDEN, [], b"") + self.handshake_started_event.set() + self.closed_event.set() + + else: + msg = ( + "Expected ASGI message 'websocket.accept' or 'websocket.close', " + "but got '%s'." + ) + raise RuntimeError(msg % message_type) + + elif not self.closed_event.is_set(): + await self.handshake_completed_event.wait() + + if message_type == "websocket.send": + bytes_data = message.get("bytes") + text_data = message.get("text") + data = text_data if bytes_data is None else bytes_data + await self.send(data) + + elif message_type == "websocket.close": + code = message.get("code", 1000) + reason = message.get("reason", "") + await self.close(code, reason) + self.closed_event.set() + + else: + msg = ( + "Expected ASGI message 'websocket.send' or 'websocket.close'," + " but got '%s'." + ) + raise RuntimeError(msg % message_type) + + else: + msg = "Unexpected ASGI message '%s', after sending 'websocket.close'." + raise RuntimeError(msg % message_type) + + async def asgi_receive(self): + if not self.connect_sent: + self.connect_sent = True + return {"type": "websocket.connect"} + + await self.handshake_completed_event.wait() + try: + await self.ensure_open() + data = await self.recv() + except websockets.ConnectionClosed as exc: + return {"type": "websocket.disconnect", "code": exc.code} + + msg = {"type": "websocket.receive"} + + if isinstance(data, str): + msg["text"] = data + else: + msg["bytes"] = data + + return msg diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/wsproto_impl.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/wsproto_impl.py new file mode 100644 index 0000000..a870f17 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/protocols/websockets/wsproto_impl.py @@ -0,0 +1,325 @@ +import asyncio +import logging +from typing import Callable +from urllib.parse import unquote + +import h11 +import wsproto +from wsproto import ConnectionType, events +from wsproto.connection import ConnectionState +from wsproto.extensions import PerMessageDeflate +from wsproto.utilities import RemoteProtocolError + +from uvicorn.logging import TRACE_LOG_LEVEL +from uvicorn.protocols.utils import get_local_addr, get_remote_addr, is_ssl + +# Check wsproto version. We've build against 0.13. We don't know about 0.14 yet. +assert wsproto.__version__ > "0.13", "Need wsproto version 0.13" + + +class WSProtocol(asyncio.Protocol): + def __init__( + self, config, server_state, on_connection_lost: Callable = None, _loop=None + ): + if not config.loaded: + config.load() + + self.config = config + self.app = config.loaded_app + self.on_connection_lost = on_connection_lost + self.loop = _loop or asyncio.get_event_loop() + self.logger = logging.getLogger("uvicorn.error") + self.root_path = config.root_path + + # Shared server state + self.connections = server_state.connections + self.tasks = server_state.tasks + + # Connection state + self.transport = None + self.server = None + self.client = None + self.scheme = None + + # WebSocket state + self.connect_event = None + self.queue = asyncio.Queue() + self.handshake_complete = False + self.close_sent = False + + self.conn = wsproto.WSConnection(connection_type=ConnectionType.SERVER) + + self.read_paused = False + self.writable = asyncio.Event() + self.writable.set() + + # Buffers + self.bytes = b"" + self.text = "" + + # Protocol interface + + def connection_made(self, transport): + self.connections.add(self) + self.transport = transport + self.server = get_local_addr(transport) + self.client = get_remote_addr(transport) + self.scheme = "wss" if is_ssl(transport) else "ws" + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sWebSocket connection made", prefix) + + def connection_lost(self, exc): + if exc is not None: + self.queue.put_nowait({"type": "websocket.disconnect"}) + self.connections.remove(self) + + if self.logger.level <= TRACE_LOG_LEVEL: + prefix = "%s:%d - " % tuple(self.client) if self.client else "" + self.logger.log(TRACE_LOG_LEVEL, "%sWebSocket connection lost", prefix) + + if self.on_connection_lost is not None: + self.on_connection_lost() + if exc is None: + self.transport.close() + + def eof_received(self): + pass + + def data_received(self, data): + try: + self.conn.receive_data(data) + except RemoteProtocolError as err: + if err.event_hint is not None: + self.transport.write(self.conn.send(err.event_hint)) + self.transport.close() + else: + self.handle_no_connect(events.CloseConnection()) + else: + self.handle_events() + + def handle_events(self): + for event in self.conn.events(): + if isinstance(event, events.Request): + self.handle_connect(event) + elif isinstance(event, events.TextMessage): + self.handle_text(event) + elif isinstance(event, events.BytesMessage): + self.handle_bytes(event) + elif isinstance(event, events.RejectConnection): + self.handle_no_connect(event) + elif isinstance(event, events.RejectData): + self.handle_no_connect(event) + elif isinstance(event, events.CloseConnection): + self.handle_close(event) + elif isinstance(event, events.Ping): + self.handle_ping(event) + + def pause_writing(self): + """ + Called by the transport when the write buffer exceeds the high water mark. + """ + self.writable.clear() + + def resume_writing(self): + """ + Called by the transport when the write buffer drops below the low water mark. + """ + self.writable.set() + + def shutdown(self): + self.queue.put_nowait({"type": "websocket.disconnect", "code": 1012}) + output = self.conn.send(wsproto.events.CloseConnection(code=1012)) + self.transport.write(output) + self.transport.close() + + def on_task_complete(self, task): + self.tasks.discard(task) + + # Event handlers + + def handle_connect(self, event): + self.connect_event = event + headers = [(b"host", event.host.encode())] + headers += [(key.lower(), value) for key, value in event.extra_headers] + raw_path, _, query_string = event.target.partition("?") + self.scope = { + "type": "websocket", + "asgi": {"version": self.config.asgi_version, "spec_version": "2.1"}, + "http_version": "1.1", + "scheme": self.scheme, + "server": self.server, + "client": self.client, + "root_path": self.root_path, + "path": unquote(raw_path), + "raw_path": raw_path, + "query_string": query_string.encode("ascii"), + "headers": headers, + "subprotocols": event.subprotocols, + } + self.queue.put_nowait({"type": "websocket.connect"}) + task = self.loop.create_task(self.run_asgi()) + task.add_done_callback(self.on_task_complete) + self.tasks.add(task) + + def handle_no_connect(self, event): + headers = [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ] + msg = h11.Response(status_code=400, headers=headers, reason="Bad Request") + output = self.conn.send(msg) + msg = h11.Data(data=event.reason.encode("utf-8")) + output += self.conn.send(msg) + msg = h11.EndOfMessage() + output += self.conn.send(msg) + self.transport.write(output) + self.transport.close() + + def handle_text(self, event): + self.text += event.data + if event.message_finished: + self.queue.put_nowait({"type": "websocket.receive", "text": self.text}) + self.text = "" + if not self.read_paused: + self.read_paused = True + self.transport.pause_reading() + + def handle_bytes(self, event): + self.bytes += event.data + # todo: we may want to guard the size of self.bytes and self.text + if event.message_finished: + self.queue.put_nowait({"type": "websocket.receive", "bytes": self.bytes}) + self.bytes = b"" + if not self.read_paused: + self.read_paused = True + self.transport.pause_reading() + + def handle_close(self, event): + if self.conn.state == ConnectionState.REMOTE_CLOSING: + self.transport.write(self.conn.send(event.response())) + self.queue.put_nowait({"type": "websocket.disconnect", "code": event.code}) + self.transport.close() + + def handle_ping(self, event): + self.transport.write(self.conn.send(event.response())) + + def send_500_response(self): + headers = [ + (b"content-type", b"text/plain; charset=utf-8"), + (b"connection", b"close"), + ] + if self.conn.connection is None: + output = self.conn.send(wsproto.events.RejectConnection(status_code=500)) + else: + msg = h11.Response( + status_code=500, headers=headers, reason="Internal Server Error" + ) + output = self.conn.send(msg) + msg = h11.Data(data=b"Internal Server Error") + output += self.conn.send(msg) + msg = h11.EndOfMessage() + output += self.conn.send(msg) + self.transport.write(output) + + async def run_asgi(self): + try: + result = await self.app(self.scope, self.receive, self.send) + except BaseException as exc: + msg = "Exception in ASGI application\n" + self.logger.error(msg, exc_info=exc) + if not self.handshake_complete: + self.send_500_response() + self.transport.close() + else: + if not self.handshake_complete: + msg = "ASGI callable returned without completing handshake." + self.logger.error(msg) + self.send_500_response() + self.transport.close() + elif result is not None: + msg = "ASGI callable should return None, but returned '%s'." + self.logger.error(msg, result) + self.transport.close() + + async def send(self, message): + await self.writable.wait() + + message_type = message["type"] + + if not self.handshake_complete: + if message_type == "websocket.accept": + self.logger.info( + '%s - "WebSocket %s" [accepted]', + self.scope["client"], + self.scope["root_path"] + self.scope["path"], + ) + self.handshake_complete = True + subprotocol = message.get("subprotocol") + output = self.conn.send( + wsproto.events.AcceptConnection( + subprotocol=subprotocol, extensions=[PerMessageDeflate()] + ) + ) + self.transport.write(output) + + elif message_type == "websocket.close": + self.queue.put_nowait({"type": "websocket.disconnect", "code": None}) + self.logger.info( + '%s - "WebSocket %s" 403', + self.scope["client"], + self.scope["root_path"] + self.scope["path"], + ) + self.handshake_complete = True + self.close_sent = True + msg = events.RejectConnection(status_code=403, headers=[]) + output = self.conn.send(msg) + self.transport.write(output) + self.transport.close() + + else: + msg = ( + "Expected ASGI message 'websocket.accept' or 'websocket.close', " + "but got '%s'." + ) + raise RuntimeError(msg % message_type) + + elif not self.close_sent: + if message_type == "websocket.send": + bytes_data = message.get("bytes") + text_data = message.get("text") + data = text_data if bytes_data is None else bytes_data + output = self.conn.send(wsproto.events.Message(data=data)) + if not self.transport.is_closing(): + self.transport.write(output) + + elif message_type == "websocket.close": + self.close_sent = True + code = message.get("code", 1000) + reason = message.get("reason", "") + self.queue.put_nowait({"type": "websocket.disconnect", "code": code}) + output = self.conn.send( + wsproto.events.CloseConnection(code=code, reason=reason) + ) + if not self.transport.is_closing(): + self.transport.write(output) + self.transport.close() + + else: + msg = ( + "Expected ASGI message 'websocket.send' or 'websocket.close'," + " but got '%s'." + ) + raise RuntimeError(msg % message_type) + + else: + msg = "Unexpected ASGI message '%s', after sending 'websocket.close'." + raise RuntimeError(msg % message_type) + + async def receive(self): + message = await self.queue.get() + if self.read_paused and self.queue.empty(): + self.read_paused = False + self.transport.resume_reading() + return message diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/server.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/server.py new file mode 100644 index 0000000..6aa694c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/server.py @@ -0,0 +1,316 @@ +import asyncio +import logging +import os +import platform +import signal +import socket +import sys +import threading +import time +from email.utils import formatdate +from types import FrameType +from typing import TYPE_CHECKING, Any, List, Optional, Set, Tuple, Union + +import click + +from uvicorn._handlers.http import handle_http +from uvicorn.config import Config + +if TYPE_CHECKING: + from uvicorn.protocols.http.h11_impl import H11Protocol + from uvicorn.protocols.http.httptools_impl import HttpToolsProtocol + from uvicorn.protocols.websockets.websockets_impl import WebSocketProtocol + from uvicorn.protocols.websockets.wsproto_impl import WSProtocol + + Protocols = Union[H11Protocol, HttpToolsProtocol, WSProtocol, WebSocketProtocol] + +if sys.platform != "win32": + from asyncio import start_unix_server as _start_unix_server +else: + + async def _start_unix_server(*args: Any, **kwargs: Any) -> Any: + raise NotImplementedError("Cannot start a unix server on win32") + + +HANDLED_SIGNALS = ( + signal.SIGINT, # Unix signal 2. Sent by Ctrl+C. + signal.SIGTERM, # Unix signal 15. Sent by `kill `. +) + +logger = logging.getLogger("uvicorn.error") + + +class ServerState: + """ + Shared servers state that is available between all protocol instances. + """ + + def __init__(self) -> None: + self.total_requests = 0 + self.connections: Set["Protocols"] = set() + self.tasks: Set[asyncio.Task] = set() + self.default_headers: List[Tuple[bytes, bytes]] = [] + + +class Server: + def __init__(self, config: Config) -> None: + self.config = config + self.server_state = ServerState() + + self.started = False + self.should_exit = False + self.force_exit = False + self.last_notified = 0.0 + + def run(self, sockets: Optional[List[socket.socket]] = None) -> None: + self.config.setup_event_loop() + if sys.version_info >= (3, 7): + return asyncio.run(self.serve(sockets=sockets)) + return asyncio.get_event_loop().run_until_complete(self.serve(sockets=sockets)) + + async def serve(self, sockets: Optional[List[socket.socket]] = None) -> None: + process_id = os.getpid() + + config = self.config + if not config.loaded: + config.load() + + self.lifespan = config.lifespan_class(config) + + self.install_signal_handlers() + + message = "Started server process [%d]" + color_message = "Started server process [" + click.style("%d", fg="cyan") + "]" + logger.info(message, process_id, extra={"color_message": color_message}) + + await self.startup(sockets=sockets) + if self.should_exit: + return + await self.main_loop() + await self.shutdown(sockets=sockets) + + message = "Finished server process [%d]" + color_message = "Finished server process [" + click.style("%d", fg="cyan") + "]" + logger.info(message, process_id, extra={"color_message": color_message}) + + async def startup(self, sockets: list = None) -> None: + await self.lifespan.startup() + if self.lifespan.should_exit: + self.should_exit = True + return + + config = self.config + + async def handler( + reader: asyncio.StreamReader, writer: asyncio.StreamWriter + ) -> None: + await handle_http( + reader, writer, server_state=self.server_state, config=config + ) + + if sockets is not None: + # Explicitly passed a list of open sockets. + # We use this when the server is run from a Gunicorn worker. + + def _share_socket(sock: socket.SocketType) -> socket.SocketType: + # Windows requires the socket be explicitly shared across + # multiple workers (processes). + from socket import fromshare # type: ignore + + sock_data = sock.share(os.getpid()) # type: ignore + return fromshare(sock_data) + + self.servers = [] + for sock in sockets: + if config.workers > 1 and platform.system() == "Windows": + sock = _share_socket(sock) + server = await asyncio.start_server( + handler, sock=sock, ssl=config.ssl, backlog=config.backlog + ) + self.servers.append(server) + listeners = sockets + + elif config.fd is not None: + # Use an existing socket, from a file descriptor. + sock = socket.fromfd(config.fd, socket.AF_UNIX, socket.SOCK_STREAM) + server = await asyncio.start_server( + handler, sock=sock, ssl=config.ssl, backlog=config.backlog + ) + assert server.sockets is not None # mypy + listeners = server.sockets + self.servers = [server] + + elif config.uds is not None: + # Create a socket using UNIX domain socket. + uds_perms = 0o666 + if os.path.exists(config.uds): + uds_perms = os.stat(config.uds).st_mode + server = await _start_unix_server( + handler, path=config.uds, ssl=config.ssl, backlog=config.backlog + ) + os.chmod(config.uds, uds_perms) + assert server.sockets is not None # mypy + listeners = server.sockets + self.servers = [server] + + else: + # Standard case. Create a socket from a host/port pair. + try: + server = await asyncio.start_server( + handler, + host=config.host, + port=config.port, + ssl=config.ssl, + backlog=config.backlog, + ) + except OSError as exc: + logger.error(exc) + await self.lifespan.shutdown() + sys.exit(1) + + assert server.sockets is not None + listeners = server.sockets + self.servers = [server] + + if sockets is None: + self._log_started_message(listeners) + else: + # We're most likely running multiple workers, so a message has already been + # logged by `config.bind_socket()`. + pass + + self.started = True + + def _log_started_message(self, listeners: List[socket.SocketType]) -> None: + config = self.config + + if config.fd is not None: + sock = listeners[0] + logger.info( + "Uvicorn running on socket %s (Press CTRL+C to quit)", + sock.getsockname(), + ) + + elif config.uds is not None: + logger.info( + "Uvicorn running on unix socket %s (Press CTRL+C to quit)", config.uds + ) + + else: + addr_format = "%s://%s:%d" + host = "0.0.0.0" if config.host is None else config.host + if ":" in host: + # It's an IPv6 address. + addr_format = "%s://[%s]:%d" + + port = config.port + if port == 0: + port = listeners[0].getsockname()[1] + + protocol_name = "https" if config.ssl else "http" + message = f"Uvicorn running on {addr_format} (Press CTRL+C to quit)" + color_message = ( + "Uvicorn running on " + + click.style(addr_format, bold=True) + + " (Press CTRL+C to quit)" + ) + logger.info( + message, + protocol_name, + host, + port, + extra={"color_message": color_message}, + ) + + async def main_loop(self) -> None: + counter = 0 + should_exit = await self.on_tick(counter) + while not should_exit: + counter += 1 + counter = counter % 864000 + await asyncio.sleep(0.1) + should_exit = await self.on_tick(counter) + + async def on_tick(self, counter: int) -> bool: + # Update the default headers, once per second. + if counter % 10 == 0: + current_time = time.time() + current_date = formatdate(current_time, usegmt=True).encode() + + if self.config.date_header: + date_header = [(b"date", current_date)] + else: + date_header = [] + + self.server_state.default_headers = ( + date_header + self.config.encoded_headers + ) + + # Callback to `callback_notify` once every `timeout_notify` seconds. + if self.config.callback_notify is not None: + if current_time - self.last_notified > self.config.timeout_notify: + self.last_notified = current_time + await self.config.callback_notify() + + # Determine if we should exit. + if self.should_exit: + return True + if self.config.limit_max_requests is not None: + return self.server_state.total_requests >= self.config.limit_max_requests + return False + + async def shutdown(self, sockets: Optional[List[socket.socket]] = None) -> None: + logger.info("Shutting down") + + # Stop accepting new connections. + for server in self.servers: + server.close() + for sock in sockets or []: + sock.close() + for server in self.servers: + await server.wait_closed() + + # Request shutdown on all existing connections. + for connection in list(self.server_state.connections): + connection.shutdown() + await asyncio.sleep(0.1) + + # Wait for existing connections to finish sending responses. + if self.server_state.connections and not self.force_exit: + msg = "Waiting for connections to close. (CTRL+C to force quit)" + logger.info(msg) + while self.server_state.connections and not self.force_exit: + await asyncio.sleep(0.1) + + # Wait for existing tasks to complete. + if self.server_state.tasks and not self.force_exit: + msg = "Waiting for background tasks to complete. (CTRL+C to force quit)" + logger.info(msg) + while self.server_state.tasks and not self.force_exit: + await asyncio.sleep(0.1) + + # Send the lifespan shutdown event, and wait for application shutdown. + if not self.force_exit: + await self.lifespan.shutdown() + + def install_signal_handlers(self) -> None: + if threading.current_thread() is not threading.main_thread(): + # Signals can only be listened to from the main thread. + return + + loop = asyncio.get_event_loop() + + try: + for sig in HANDLED_SIGNALS: + loop.add_signal_handler(sig, self.handle_exit, sig, None) + except NotImplementedError: # pragma: no cover + # Windows + for sig in HANDLED_SIGNALS: + signal.signal(sig, self.handle_exit) + + def handle_exit(self, sig: signal.Signals, frame: FrameType) -> None: + + if self.should_exit: + self.force_exit = True + else: + self.should_exit = True diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/subprocess.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/subprocess.py new file mode 100644 index 0000000..e05473c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/subprocess.py @@ -0,0 +1,76 @@ +""" +Some light wrappers around Python's multiprocessing, to deal with cleanly +starting child processes. +""" +import multiprocessing +import os +import sys +from multiprocessing.context import SpawnProcess +from socket import socket +from typing import Callable, List, Optional + +from uvicorn.config import Config + +multiprocessing.allow_connection_pickling() +spawn = multiprocessing.get_context("spawn") + + +def get_subprocess( + config: Config, + target: Callable[..., None], + sockets: List[socket], +) -> SpawnProcess: + """ + Called in the parent process, to instantiate a new child process instance. + The child is not yet started at this point. + + * config - The Uvicorn configuration instance. + * target - A callable that accepts a list of sockets. In practice this will + be the `Server.run()` method. + * sockets - A list of sockets to pass to the server. Sockets are bound once + by the parent process, and then passed to the child processes. + """ + # We pass across the stdin fileno, and reopen it in the child process. + # This is required for some debugging environments. + stdin_fileno: Optional[int] + try: + stdin_fileno = sys.stdin.fileno() + except OSError: + stdin_fileno = None + + kwargs = { + "config": config, + "target": target, + "sockets": sockets, + "stdin_fileno": stdin_fileno, + } + + return spawn.Process(target=subprocess_started, kwargs=kwargs) + + +def subprocess_started( + config: Config, + target: Callable[..., None], + sockets: List[socket], + stdin_fileno: Optional[int], +) -> None: + """ + Called when the child process starts. + + * config - The Uvicorn configuration instance. + * target - A callable that accepts a list of sockets. In practice this will + be the `Server.run()` method. + * sockets - A list of sockets to pass to the server. Sockets are bound once + by the parent process, and then passed to the child processes. + * stdin_fileno - The file number of sys.stdin, so that it can be reattached + to the child process. + """ + # Re-open stdin. + if stdin_fileno is not None: + sys.stdin = os.fdopen(stdin_fileno) + + # Logging needs to be setup again for each child. + config.configure_logging() + + # Now we can call into `Server.run(sockets=sockets)` + target(sockets=sockets) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/__init__.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/__init__.py new file mode 100644 index 0000000..5a27e35 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/__init__.py @@ -0,0 +1,14 @@ +import typing + +from uvicorn.supervisors.basereload import BaseReload +from uvicorn.supervisors.multiprocess import Multiprocess + +if typing.TYPE_CHECKING: + ChangeReload: typing.Type[BaseReload] # pragma: no cover +else: + try: + from uvicorn.supervisors.watchgodreload import WatchGodReload as ChangeReload + except ImportError: # pragma: no cover + from uvicorn.supervisors.statreload import StatReload as ChangeReload + +__all__ = ["Multiprocess", "ChangeReload"] diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/basereload.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/basereload.py new file mode 100644 index 0000000..ff24626 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/basereload.py @@ -0,0 +1,86 @@ +import logging +import os +import signal +import threading +from socket import socket +from types import FrameType +from typing import Callable, List, Optional + +import click + +from uvicorn.config import Config +from uvicorn.subprocess import get_subprocess + +HANDLED_SIGNALS = ( + signal.SIGINT, # Unix signal 2. Sent by Ctrl+C. + signal.SIGTERM, # Unix signal 15. Sent by `kill `. +) + +logger = logging.getLogger("uvicorn.error") + + +class BaseReload: + def __init__( + self, + config: Config, + target: Callable[[Optional[List[socket]]], None], + sockets: List[socket], + ) -> None: + self.config = config + self.target = target + self.sockets = sockets + self.should_exit = threading.Event() + self.pid = os.getpid() + self.reloader_name: Optional[str] = None + + def signal_handler(self, sig: signal.Signals, frame: FrameType) -> None: + """ + A signal handler that is registered with the parent process. + """ + self.should_exit.set() + + def run(self) -> None: + self.startup() + while not self.should_exit.wait(self.config.reload_delay): + if self.should_restart(): + self.restart() + + self.shutdown() + + def startup(self) -> None: + message = f"Started reloader process [{self.pid}] using {self.reloader_name}" + color_message = "Started reloader process [{}] using {}".format( + click.style(str(self.pid), fg="cyan", bold=True), + click.style(str(self.reloader_name), fg="cyan", bold=True), + ) + logger.info(message, extra={"color_message": color_message}) + + for sig in HANDLED_SIGNALS: + signal.signal(sig, self.signal_handler) + + self.process = get_subprocess( + config=self.config, target=self.target, sockets=self.sockets + ) + self.process.start() + + def restart(self) -> None: + + self.process.terminate() + self.process.join() + + self.process = get_subprocess( + config=self.config, target=self.target, sockets=self.sockets + ) + self.process.start() + + def shutdown(self) -> None: + self.process.terminate() + self.process.join() + message = "Stopping reloader process [{}]".format(str(self.pid)) + color_message = "Stopping reloader process [{}]".format( + click.style(str(self.pid), fg="cyan", bold=True) + ) + logger.info(message, extra={"color_message": color_message}) + + def should_restart(self) -> bool: + raise NotImplementedError("Reload strategies should override should_restart()") diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/multiprocess.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/multiprocess.py new file mode 100644 index 0000000..ee86f8e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/multiprocess.py @@ -0,0 +1,74 @@ +import logging +import os +import signal +import threading +from multiprocessing.context import SpawnProcess +from socket import socket +from types import FrameType +from typing import Callable, List, Optional + +import click + +from uvicorn.config import Config +from uvicorn.subprocess import get_subprocess + +HANDLED_SIGNALS = ( + signal.SIGINT, # Unix signal 2. Sent by Ctrl+C. + signal.SIGTERM, # Unix signal 15. Sent by `kill `. +) + +logger = logging.getLogger("uvicorn.error") + + +class Multiprocess: + def __init__( + self, + config: Config, + target: Callable[[Optional[List[socket]]], None], + sockets: List[socket], + ) -> None: + self.config = config + self.target = target + self.sockets = sockets + self.processes: List[SpawnProcess] = [] + self.should_exit = threading.Event() + self.pid = os.getpid() + + def signal_handler(self, sig: signal.Signals, frame: FrameType) -> None: + """ + A signal handler that is registered with the parent process. + """ + self.should_exit.set() + + def run(self) -> None: + self.startup() + self.should_exit.wait() + self.shutdown() + + def startup(self) -> None: + message = "Started parent process [{}]".format(str(self.pid)) + color_message = "Started parent process [{}]".format( + click.style(str(self.pid), fg="cyan", bold=True) + ) + logger.info(message, extra={"color_message": color_message}) + + for sig in HANDLED_SIGNALS: + signal.signal(sig, self.signal_handler) + + for idx in range(self.config.workers): + process = get_subprocess( + config=self.config, target=self.target, sockets=self.sockets + ) + process.start() + self.processes.append(process) + + def shutdown(self) -> None: + for process in self.processes: + process.terminate() + process.join() + + message = "Stopping parent process [{}]".format(str(self.pid)) + color_message = "Stopping parent process [{}]".format( + click.style(str(self.pid), fg="cyan", bold=True) + ) + logger.info(message, extra={"color_message": color_message}) diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/statreload.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/statreload.py new file mode 100644 index 0000000..2c9857e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/statreload.py @@ -0,0 +1,52 @@ +import logging +from pathlib import Path +from socket import socket +from typing import Callable, Dict, Iterator, List, Optional + +from uvicorn.config import Config +from uvicorn.supervisors.basereload import BaseReload + +logger = logging.getLogger("uvicorn.error") + + +class StatReload(BaseReload): + def __init__( + self, + config: Config, + target: Callable[[Optional[List[socket]]], None], + sockets: List[socket], + ) -> None: + super().__init__(config, target, sockets) + self.reloader_name = "statreload" + self.mtimes: Dict[Path, float] = {} + + def should_restart(self) -> bool: + for file in self.iter_py_files(): + try: + mtime = file.stat().st_mtime + except OSError: # pragma: nocover + continue + + old_time = self.mtimes.get(file) + if old_time is None: + self.mtimes[file] = mtime + continue + elif mtime > old_time: + display_path = str(file) + try: + display_path = str(file.relative_to(Path.cwd())) + except ValueError: + pass + message = "StatReload detected file change in '%s'. Reloading..." + logger.warning(message, display_path) + return True + return False + + def restart(self) -> None: + self.mtimes = {} + return super().restart() + + def iter_py_files(self) -> Iterator[Path]: + for reload_dir in self.config.reload_dirs: + for path in list(reload_dir.rglob("*.py")): + yield path.resolve() diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/watchgodreload.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/watchgodreload.py new file mode 100644 index 0000000..92ef1f5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/supervisors/watchgodreload.py @@ -0,0 +1,152 @@ +import logging +from pathlib import Path +from socket import socket +from typing import TYPE_CHECKING, Callable, Dict, List, Optional + +from watchgod import DefaultWatcher + +from uvicorn.config import Config +from uvicorn.supervisors.basereload import BaseReload + +logger = logging.getLogger("uvicorn.error") + +if TYPE_CHECKING: # pragma: no cover + import os + + DirEntry = os.DirEntry[str] + + +class CustomWatcher(DefaultWatcher): + def __init__(self, root_path: Path, config: Config): + default_includes = ["*.py"] + self.includes = [ + default + for default in default_includes + if default not in config.reload_excludes + ] + self.includes.extend(config.reload_includes) + self.includes = list(set(self.includes)) + + default_excludes = [".*", ".py[cod]", ".sw.*", "~*"] + self.excludes = [ + default + for default in default_excludes + if default not in config.reload_includes + ] + self.excludes.extend(config.reload_excludes) + self.excludes = list(set(self.excludes)) + + self.watched_dirs: Dict[str, bool] = {} + self.watched_files: Dict[str, bool] = {} + self.dirs_includes = set(config.reload_dirs) + self.dirs_excludes = set(config.reload_dirs_excludes) + self.resolved_root = root_path + super().__init__(str(root_path)) + + def should_watch_file(self, entry: "DirEntry") -> bool: + cached_result = self.watched_files.get(entry.path) + if cached_result is not None: + return cached_result + + entry_path = Path(entry) + + # cwd is not verified through should_watch_dir, so we need to verify here + if entry_path.parent == Path.cwd() and not Path.cwd() in self.dirs_includes: + self.watched_files[entry.path] = False + return False + for include_pattern in self.includes: + if entry_path.match(include_pattern): + for exclude_pattern in self.excludes: + if entry_path.match(exclude_pattern): + self.watched_files[entry.path] = False + return False + self.watched_files[entry.path] = True + return True + self.watched_files[entry.path] = False + return False + + def should_watch_dir(self, entry: "DirEntry") -> bool: + cached_result = self.watched_dirs.get(entry.path) + if cached_result is not None: + return cached_result + + entry_path = Path(entry) + + if entry_path in self.dirs_excludes: + self.watched_dirs[entry.path] = False + return False + + for exclude_pattern in self.excludes: + if entry_path.match(exclude_pattern): + is_watched = False + if entry_path in self.dirs_includes: + is_watched = True + + for directory in self.dirs_includes: + if directory in entry_path.parents: + is_watched = True + + if is_watched: + logger.debug( + "WatchGodReload detected a new excluded dir '%s' in '%s'; " + "Adding to exclude list.", + entry_path.relative_to(self.resolved_root), + str(self.resolved_root), + ) + self.watched_dirs[entry.path] = False + self.dirs_excludes.add(entry_path) + return False + + if entry_path in self.dirs_includes: + self.watched_dirs[entry.path] = True + return True + + for directory in self.dirs_includes: + if directory in entry_path.parents: + self.watched_dirs[entry.path] = True + return True + + for include_pattern in self.includes: + if entry_path.match(include_pattern): + logger.info( + "WatchGodReload detected a new reload dir '%s' in '%s'; " + "Adding to watch list.", + str(entry_path.relative_to(self.resolved_root)), + str(self.resolved_root), + ) + self.dirs_includes.add(entry_path) + self.watched_dirs[entry.path] = True + return True + + self.watched_dirs[entry.path] = False + return False + + +class WatchGodReload(BaseReload): + def __init__( + self, + config: Config, + target: Callable[[Optional[List[socket]]], None], + sockets: List[socket], + ) -> None: + super().__init__(config, target, sockets) + self.reloader_name = "watchgod" + self.watchers = [] + reload_dirs = [] + for directory in config.reload_dirs: + if Path.cwd() not in directory.parents: + reload_dirs.append(directory) + if Path.cwd() not in reload_dirs: + reload_dirs.append(Path.cwd()) + for w in reload_dirs: + self.watchers.append(CustomWatcher(w.resolve(), self.config)) + + def should_restart(self) -> bool: + for watcher in self.watchers: + change = watcher.check() + if change != set(): + message = "WatchGodReload detected file change in '%s'. Reloading..." + logger.warning(message, [c[1] for c in change]) + return True + + return False diff --git a/backend/mb-env/lib/python3.9/site-packages/uvicorn/workers.py b/backend/mb-env/lib/python3.9/site-packages/uvicorn/workers.py new file mode 100644 index 0000000..05ee166 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/uvicorn/workers.py @@ -0,0 +1,92 @@ +import asyncio +import logging +import signal +import sys +from typing import Any + +from gunicorn.arbiter import Arbiter +from gunicorn.workers.base import Worker + +from uvicorn.config import Config +from uvicorn.main import Server + + +class UvicornWorker(Worker): + """ + A worker class for Gunicorn that interfaces with an ASGI consumer callable, + rather than a WSGI callable. + """ + + CONFIG_KWARGS = {"loop": "auto", "http": "auto"} + + def __init__(self, *args: Any, **kwargs: Any) -> None: + super(UvicornWorker, self).__init__(*args, **kwargs) + + logger = logging.getLogger("uvicorn.error") + logger.handlers = self.log.error_log.handlers + logger.setLevel(self.log.error_log.level) + logger.propagate = False + + logger = logging.getLogger("uvicorn.access") + logger.handlers = self.log.access_log.handlers + logger.setLevel(self.log.access_log.level) + logger.propagate = False + + config_kwargs: dict = { + "app": None, + "log_config": None, + "timeout_keep_alive": self.cfg.keepalive, + "timeout_notify": self.timeout, + "callback_notify": self.callback_notify, + "limit_max_requests": self.max_requests, + "forwarded_allow_ips": self.cfg.forwarded_allow_ips, + } + + if self.cfg.is_ssl: + ssl_kwargs = { + "ssl_keyfile": self.cfg.ssl_options.get("keyfile"), + "ssl_certfile": self.cfg.ssl_options.get("certfile"), + "ssl_keyfile_password": self.cfg.ssl_options.get("password"), + "ssl_version": self.cfg.ssl_options.get("ssl_version"), + "ssl_cert_reqs": self.cfg.ssl_options.get("cert_reqs"), + "ssl_ca_certs": self.cfg.ssl_options.get("ca_certs"), + "ssl_ciphers": self.cfg.ssl_options.get("ciphers"), + } + config_kwargs.update(ssl_kwargs) + + if self.cfg.settings["backlog"].value: + config_kwargs["backlog"] = self.cfg.settings["backlog"].value + + config_kwargs.update(self.CONFIG_KWARGS) + + self.config = Config(**config_kwargs) + + def init_process(self) -> None: + self.config.setup_event_loop() + super(UvicornWorker, self).init_process() + + def init_signals(self) -> None: + # Reset signals so Gunicorn doesn't swallow subprocess return codes + # other signals are set up by Server.install_signal_handlers() + # See: https://github.com/encode/uvicorn/issues/894 + for s in self.SIGNALS: + signal.signal(s, signal.SIG_DFL) + + async def _serve(self) -> None: + self.config.app = self.wsgi + server = Server(config=self.config) + await server.serve(sockets=self.sockets) + if not server.started: + sys.exit(Arbiter.WORKER_BOOT_ERROR) + + def run(self) -> None: + if sys.version_info >= (3, 7): + return asyncio.run(self._serve()) + return asyncio.get_event_loop().run_until_complete(self._serve()) + + async def callback_notify(self) -> None: + self.notify() + + +class UvicornH11Worker(UvicornWorker): + CONFIG_KWARGS = {"loop": "asyncio", "http": "h11"} diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/__init__.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/__init__.py new file mode 100644 index 0000000..5a71a37 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/__init__.py @@ -0,0 +1,6 @@ +from .serving import run_simple as run_simple +from .test import Client as Client +from .wrappers import Request as Request +from .wrappers import Response as Response + +__version__ = "2.0.1" diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/_internal.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/_internal.py new file mode 100644 index 0000000..7d33563 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/_internal.py @@ -0,0 +1,626 @@ +import inspect +import logging +import operator +import re +import string +import sys +import typing +import typing as t +from datetime import date +from datetime import datetime +from datetime import timezone +from itertools import chain +from weakref import WeakKeyDictionary + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + from .wrappers.request import Request # noqa: F401 + +_logger: t.Optional[logging.Logger] = None +_signature_cache = WeakKeyDictionary() # type: ignore +_epoch_ord = date(1970, 1, 1).toordinal() +_legal_cookie_chars = frozenset( + c.encode("ascii") + for c in f"{string.ascii_letters}{string.digits}/=!#$%&'*+-.^_`|~:" +) + +_cookie_quoting_map = {b",": b"\\054", b";": b"\\073", b'"': b'\\"', b"\\": b"\\\\"} +for _i in chain(range(32), range(127, 256)): + _cookie_quoting_map[_i.to_bytes(1, sys.byteorder)] = f"\\{_i:03o}".encode("latin1") + +_octal_re = re.compile(br"\\[0-3][0-7][0-7]") +_quote_re = re.compile(br"[\\].") +_legal_cookie_chars_re = br"[\w\d!#%&\'~_`><@,:/\$\*\+\-\.\^\|\)\(\?\}\{\=]" +_cookie_re = re.compile( + br""" + (?P[^=;]+) + (?:\s*=\s* + (?P + "(?:[^\\"]|\\.)*" | + (?:.*?) + ) + )? + \s*; +""", + flags=re.VERBOSE, +) + + +class _Missing: + def __repr__(self) -> str: + return "no value" + + def __reduce__(self) -> str: + return "_missing" + + +_missing = _Missing() + + +@typing.overload +def _make_encode_wrapper(reference: str) -> t.Callable[[str], str]: + ... + + +@typing.overload +def _make_encode_wrapper(reference: bytes) -> t.Callable[[str], bytes]: + ... + + +def _make_encode_wrapper(reference: t.AnyStr) -> t.Callable[[str], t.AnyStr]: + """Create a function that will be called with a string argument. If + the reference is bytes, values will be encoded to bytes. + """ + if isinstance(reference, str): + return lambda x: x + + return operator.methodcaller("encode", "latin1") + + +def _check_str_tuple(value: t.Tuple[t.AnyStr, ...]) -> None: + """Ensure tuple items are all strings or all bytes.""" + if not value: + return + + item_type = str if isinstance(value[0], str) else bytes + + if any(not isinstance(item, item_type) for item in value): + raise TypeError(f"Cannot mix str and bytes arguments (got {value!r})") + + +_default_encoding = sys.getdefaultencoding() + + +def _to_bytes( + x: t.Union[str, bytes], charset: str = _default_encoding, errors: str = "strict" +) -> bytes: + if x is None or isinstance(x, bytes): + return x + + if isinstance(x, (bytearray, memoryview)): + return bytes(x) + + if isinstance(x, str): + return x.encode(charset, errors) + + raise TypeError("Expected bytes") + + +@typing.overload +def _to_str( # type: ignore + x: None, + charset: t.Optional[str] = ..., + errors: str = ..., + allow_none_charset: bool = ..., +) -> None: + ... + + +@typing.overload +def _to_str( + x: t.Any, + charset: t.Optional[str] = ..., + errors: str = ..., + allow_none_charset: bool = ..., +) -> str: + ... + + +def _to_str( + x: t.Optional[t.Any], + charset: t.Optional[str] = _default_encoding, + errors: str = "strict", + allow_none_charset: bool = False, +) -> t.Optional[t.Union[str, bytes]]: + if x is None or isinstance(x, str): + return x + + if not isinstance(x, (bytes, bytearray)): + return str(x) + + if charset is None: + if allow_none_charset: + return x + + return x.decode(charset, errors) # type: ignore + + +def _wsgi_decoding_dance( + s: str, charset: str = "utf-8", errors: str = "replace" +) -> str: + return s.encode("latin1").decode(charset, errors) + + +def _wsgi_encoding_dance( + s: str, charset: str = "utf-8", errors: str = "replace" +) -> str: + if isinstance(s, bytes): + return s.decode("latin1", errors) + + return s.encode(charset).decode("latin1", errors) + + +def _get_environ(obj: t.Union["WSGIEnvironment", "Request"]) -> "WSGIEnvironment": + env = getattr(obj, "environ", obj) + assert isinstance( + env, dict + ), f"{type(obj).__name__!r} is not a WSGI environment (has to be a dict)" + return env + + +def _has_level_handler(logger: logging.Logger) -> bool: + """Check if there is a handler in the logging chain that will handle + the given logger's effective level. + """ + level = logger.getEffectiveLevel() + current = logger + + while current: + if any(handler.level <= level for handler in current.handlers): + return True + + if not current.propagate: + break + + current = current.parent # type: ignore + + return False + + +class _ColorStreamHandler(logging.StreamHandler): + """On Windows, wrap stream with Colorama for ANSI style support.""" + + def __init__(self) -> None: + try: + import colorama + except ImportError: + stream = None + else: + stream = colorama.AnsiToWin32(sys.stderr) + + super().__init__(stream) + + +def _log(type: str, message: str, *args: t.Any, **kwargs: t.Any) -> None: + """Log a message to the 'werkzeug' logger. + + The logger is created the first time it is needed. If there is no + level set, it is set to :data:`logging.INFO`. If there is no handler + for the logger's effective level, a :class:`logging.StreamHandler` + is added. + """ + global _logger + + if _logger is None: + _logger = logging.getLogger("werkzeug") + + if _logger.level == logging.NOTSET: + _logger.setLevel(logging.INFO) + + if not _has_level_handler(_logger): + _logger.addHandler(_ColorStreamHandler()) + + getattr(_logger, type)(message.rstrip(), *args, **kwargs) + + +def _parse_signature(func): # type: ignore + """Return a signature object for the function. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1 along with ``utils.bind`` and + ``validate_arguments``. + """ + # if we have a cached validator for this function, return it + parse = _signature_cache.get(func) + if parse is not None: + return parse + + # inspect the function signature and collect all the information + tup = inspect.getfullargspec(func) + positional, vararg_var, kwarg_var, defaults = tup[:4] + defaults = defaults or () + arg_count = len(positional) + arguments = [] + for idx, name in enumerate(positional): + if isinstance(name, list): + raise TypeError( + "cannot parse functions that unpack tuples in the function signature" + ) + try: + default = defaults[idx - arg_count] + except IndexError: + param = (name, False, None) + else: + param = (name, True, default) + arguments.append(param) + arguments = tuple(arguments) + + def parse(args, kwargs): # type: ignore + new_args = [] + missing = [] + extra = {} + + # consume as many arguments as positional as possible + for idx, (name, has_default, default) in enumerate(arguments): + try: + new_args.append(args[idx]) + except IndexError: + try: + new_args.append(kwargs.pop(name)) + except KeyError: + if has_default: + new_args.append(default) + else: + missing.append(name) + else: + if name in kwargs: + extra[name] = kwargs.pop(name) + + # handle extra arguments + extra_positional = args[arg_count:] + if vararg_var is not None: + new_args.extend(extra_positional) + extra_positional = () + if kwargs and kwarg_var is None: + extra.update(kwargs) + kwargs = {} + + return ( + new_args, + kwargs, + missing, + extra, + extra_positional, + arguments, + vararg_var, + kwarg_var, + ) + + _signature_cache[func] = parse + return parse + + +@typing.overload +def _dt_as_utc(dt: None) -> None: + ... + + +@typing.overload +def _dt_as_utc(dt: datetime) -> datetime: + ... + + +def _dt_as_utc(dt: t.Optional[datetime]) -> t.Optional[datetime]: + if dt is None: + return dt + + if dt.tzinfo is None: + return dt.replace(tzinfo=timezone.utc) + elif dt.tzinfo != timezone.utc: + return dt.astimezone(timezone.utc) + + return dt + + +_TAccessorValue = t.TypeVar("_TAccessorValue") + + +class _DictAccessorProperty(t.Generic[_TAccessorValue]): + """Baseclass for `environ_property` and `header_property`.""" + + read_only = False + + def __init__( + self, + name: str, + default: t.Optional[_TAccessorValue] = None, + load_func: t.Optional[t.Callable[[str], _TAccessorValue]] = None, + dump_func: t.Optional[t.Callable[[_TAccessorValue], str]] = None, + read_only: t.Optional[bool] = None, + doc: t.Optional[str] = None, + ) -> None: + self.name = name + self.default = default + self.load_func = load_func + self.dump_func = dump_func + if read_only is not None: + self.read_only = read_only + self.__doc__ = doc + + def lookup(self, instance: t.Any) -> t.MutableMapping[str, t.Any]: + raise NotImplementedError + + @typing.overload + def __get__( + self, instance: None, owner: type + ) -> "_DictAccessorProperty[_TAccessorValue]": + ... + + @typing.overload + def __get__(self, instance: t.Any, owner: type) -> _TAccessorValue: + ... + + def __get__( + self, instance: t.Optional[t.Any], owner: type + ) -> t.Union[_TAccessorValue, "_DictAccessorProperty[_TAccessorValue]"]: + if instance is None: + return self + + storage = self.lookup(instance) + + if self.name not in storage: + return self.default # type: ignore + + value = storage[self.name] + + if self.load_func is not None: + try: + return self.load_func(value) + except (ValueError, TypeError): + return self.default # type: ignore + + return value # type: ignore + + def __set__(self, instance: t.Any, value: _TAccessorValue) -> None: + if self.read_only: + raise AttributeError("read only property") + + if self.dump_func is not None: + self.lookup(instance)[self.name] = self.dump_func(value) + else: + self.lookup(instance)[self.name] = value + + def __delete__(self, instance: t.Any) -> None: + if self.read_only: + raise AttributeError("read only property") + + self.lookup(instance).pop(self.name, None) + + def __repr__(self) -> str: + return f"<{type(self).__name__} {self.name}>" + + +def _cookie_quote(b: bytes) -> bytes: + buf = bytearray() + all_legal = True + _lookup = _cookie_quoting_map.get + _push = buf.extend + + for char_int in b: + char = char_int.to_bytes(1, sys.byteorder) + if char not in _legal_cookie_chars: + all_legal = False + char = _lookup(char, char) + _push(char) + + if all_legal: + return bytes(buf) + return bytes(b'"' + buf + b'"') + + +def _cookie_unquote(b: bytes) -> bytes: + if len(b) < 2: + return b + if b[:1] != b'"' or b[-1:] != b'"': + return b + + b = b[1:-1] + + i = 0 + n = len(b) + rv = bytearray() + _push = rv.extend + + while 0 <= i < n: + o_match = _octal_re.search(b, i) + q_match = _quote_re.search(b, i) + if not o_match and not q_match: + rv.extend(b[i:]) + break + j = k = -1 + if o_match: + j = o_match.start(0) + if q_match: + k = q_match.start(0) + if q_match and (not o_match or k < j): + _push(b[i:k]) + _push(b[k + 1 : k + 2]) + i = k + 2 + else: + _push(b[i:j]) + rv.append(int(b[j + 1 : j + 4], 8)) + i = j + 4 + + return bytes(rv) + + +def _cookie_parse_impl(b: bytes) -> t.Iterator[t.Tuple[bytes, bytes]]: + """Lowlevel cookie parsing facility that operates on bytes.""" + i = 0 + n = len(b) + + while i < n: + match = _cookie_re.search(b + b";", i) + if not match: + break + + key = match.group("key").strip() + value = match.group("val") or b"" + i = match.end(0) + + yield key, _cookie_unquote(value) + + +def _encode_idna(domain: str) -> bytes: + # If we're given bytes, make sure they fit into ASCII + if isinstance(domain, bytes): + domain.decode("ascii") + return domain + + # Otherwise check if it's already ascii, then return + try: + return domain.encode("ascii") + except UnicodeError: + pass + + # Otherwise encode each part separately + return b".".join(p.encode("idna") for p in domain.split(".")) + + +def _decode_idna(domain: t.Union[str, bytes]) -> str: + # If the input is a string try to encode it to ascii to do the idna + # decoding. If that fails because of a unicode error, then we + # already have a decoded idna domain. + if isinstance(domain, str): + try: + domain = domain.encode("ascii") + except UnicodeError: + return domain # type: ignore + + # Decode each part separately. If a part fails, try to decode it + # with ascii and silently ignore errors. This makes sense because + # the idna codec does not have error handling. + def decode_part(part: bytes) -> str: + try: + return part.decode("idna") + except UnicodeError: + return part.decode("ascii", "ignore") + + return ".".join(decode_part(p) for p in domain.split(b".")) + + +@typing.overload +def _make_cookie_domain(domain: None) -> None: + ... + + +@typing.overload +def _make_cookie_domain(domain: str) -> bytes: + ... + + +def _make_cookie_domain(domain: t.Optional[str]) -> t.Optional[bytes]: + if domain is None: + return None + domain = _encode_idna(domain) + if b":" in domain: + domain = domain.split(b":", 1)[0] + if b"." in domain: + return domain + raise ValueError( + "Setting 'domain' for a cookie on a server running locally (ex: " + "localhost) is not supported by complying browsers. You should " + "have something like: '127.0.0.1 localhost dev.localhost' on " + "your hosts file and then point your server to run on " + "'dev.localhost' and also set 'domain' for 'dev.localhost'" + ) + + +def _easteregg(app: t.Optional["WSGIApplication"] = None) -> "WSGIApplication": + """Like the name says. But who knows how it works?""" + + def bzzzzzzz(gyver: bytes) -> str: + import base64 + import zlib + + return zlib.decompress(base64.b64decode(gyver)).decode("ascii") + + gyver = "\n".join( + [ + x + (77 - len(x)) * " " + for x in bzzzzzzz( + b""" +eJyFlzuOJDkMRP06xRjymKgDJCDQStBYT8BCgK4gTwfQ2fcFs2a2FzvZk+hvlcRvRJD148efHt9m +9Xz94dRY5hGt1nrYcXx7us9qlcP9HHNh28rz8dZj+q4rynVFFPdlY4zH873NKCexrDM6zxxRymzz +4QIxzK4bth1PV7+uHn6WXZ5C4ka/+prFzx3zWLMHAVZb8RRUxtFXI5DTQ2n3Hi2sNI+HK43AOWSY +jmEzE4naFp58PdzhPMdslLVWHTGUVpSxImw+pS/D+JhzLfdS1j7PzUMxij+mc2U0I9zcbZ/HcZxc +q1QjvvcThMYFnp93agEx392ZdLJWXbi/Ca4Oivl4h/Y1ErEqP+lrg7Xa4qnUKu5UE9UUA4xeqLJ5 +jWlPKJvR2yhRI7xFPdzPuc6adXu6ovwXwRPXXnZHxlPtkSkqWHilsOrGrvcVWXgGP3daXomCj317 +8P2UOw/NnA0OOikZyFf3zZ76eN9QXNwYdD8f8/LdBRFg0BO3bB+Pe/+G8er8tDJv83XTkj7WeMBJ +v/rnAfdO51d6sFglfi8U7zbnr0u9tyJHhFZNXYfH8Iafv2Oa+DT6l8u9UYlajV/hcEgk1x8E8L/r +XJXl2SK+GJCxtnyhVKv6GFCEB1OO3f9YWAIEbwcRWv/6RPpsEzOkXURMN37J0PoCSYeBnJQd9Giu +LxYQJNlYPSo/iTQwgaihbART7Fcyem2tTSCcwNCs85MOOpJtXhXDe0E7zgZJkcxWTar/zEjdIVCk +iXy87FW6j5aGZhttDBoAZ3vnmlkx4q4mMmCdLtnHkBXFMCReqthSGkQ+MDXLLCpXwBs0t+sIhsDI +tjBB8MwqYQpLygZ56rRHHpw+OAVyGgaGRHWy2QfXez+ZQQTTBkmRXdV/A9LwH6XGZpEAZU8rs4pE +1R4FQ3Uwt8RKEtRc0/CrANUoes3EzM6WYcFyskGZ6UTHJWenBDS7h163Eo2bpzqxNE9aVgEM2CqI +GAJe9Yra4P5qKmta27VjzYdR04Vc7KHeY4vs61C0nbywFmcSXYjzBHdiEjraS7PGG2jHHTpJUMxN +Jlxr3pUuFvlBWLJGE3GcA1/1xxLcHmlO+LAXbhrXah1tD6Ze+uqFGdZa5FM+3eHcKNaEarutAQ0A +QMAZHV+ve6LxAwWnXbbSXEG2DmCX5ijeLCKj5lhVFBrMm+ryOttCAeFpUdZyQLAQkA06RLs56rzG +8MID55vqr/g64Qr/wqwlE0TVxgoiZhHrbY2h1iuuyUVg1nlkpDrQ7Vm1xIkI5XRKLedN9EjzVchu +jQhXcVkjVdgP2O99QShpdvXWoSwkp5uMwyjt3jiWCqWGSiaaPAzohjPanXVLbM3x0dNskJsaCEyz +DTKIs+7WKJD4ZcJGfMhLFBf6hlbnNkLEePF8Cx2o2kwmYF4+MzAxa6i+6xIQkswOqGO+3x9NaZX8 +MrZRaFZpLeVTYI9F/djY6DDVVs340nZGmwrDqTCiiqD5luj3OzwpmQCiQhdRYowUYEA3i1WWGwL4 +GCtSoO4XbIPFeKGU13XPkDf5IdimLpAvi2kVDVQbzOOa4KAXMFlpi/hV8F6IDe0Y2reg3PuNKT3i +RYhZqtkQZqSB2Qm0SGtjAw7RDwaM1roESC8HWiPxkoOy0lLTRFG39kvbLZbU9gFKFRvixDZBJmpi +Xyq3RE5lW00EJjaqwp/v3EByMSpVZYsEIJ4APaHmVtpGSieV5CALOtNUAzTBiw81GLgC0quyzf6c +NlWknzJeCsJ5fup2R4d8CYGN77mu5vnO1UqbfElZ9E6cR6zbHjgsr9ly18fXjZoPeDjPuzlWbFwS +pdvPkhntFvkc13qb9094LL5NrA3NIq3r9eNnop9DizWOqCEbyRBFJTHn6Tt3CG1o8a4HevYh0XiJ +sR0AVVHuGuMOIfbuQ/OKBkGRC6NJ4u7sbPX8bG/n5sNIOQ6/Y/BX3IwRlTSabtZpYLB85lYtkkgm +p1qXK3Du2mnr5INXmT/78KI12n11EFBkJHHp0wJyLe9MvPNUGYsf+170maayRoy2lURGHAIapSpQ +krEDuNoJCHNlZYhKpvw4mspVWxqo415n8cD62N9+EfHrAvqQnINStetek7RY2Urv8nxsnGaZfRr/ +nhXbJ6m/yl1LzYqscDZA9QHLNbdaSTTr+kFg3bC0iYbX/eQy0Bv3h4B50/SGYzKAXkCeOLI3bcAt +mj2Z/FM1vQWgDynsRwNvrWnJHlespkrp8+vO1jNaibm+PhqXPPv30YwDZ6jApe3wUjFQobghvW9p +7f2zLkGNv8b191cD/3vs9Q833z8t""" + ).splitlines() + ] + ) + + def easteregged( + environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + def injecting_start_response( + status: str, headers: t.List[t.Tuple[str, str]], exc_info: t.Any = None + ) -> t.Callable[[bytes], t.Any]: + headers.append(("X-Powered-By", "Werkzeug")) + return start_response(status, headers, exc_info) + + if app is not None and environ.get("QUERY_STRING") != "macgybarchakku": + return app(environ, injecting_start_response) + injecting_start_response("200 OK", [("Content-Type", "text/html")]) + return [ + f"""\ + + + +About Werkzeug + + + +

    Werkzeug

    +

    the Swiss Army knife of Python web development.

    +
    {gyver}\n\n\n
    + +""".encode( + "latin1" + ) + ] + + return easteregged diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/_reloader.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/_reloader.py new file mode 100644 index 0000000..ab34533 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/_reloader.py @@ -0,0 +1,430 @@ +import fnmatch +import os +import subprocess +import sys +import threading +import time +import typing as t +from itertools import chain +from pathlib import PurePath + +from ._internal import _log + +# The various system prefixes where imports are found. Base values are +# different when running in a virtualenv. The stat reloader won't scan +# these directories, it would be too inefficient. +prefix = {sys.prefix, sys.base_prefix, sys.exec_prefix, sys.base_exec_prefix} + +if hasattr(sys, "real_prefix"): + # virtualenv < 20 + prefix.add(sys.real_prefix) # type: ignore + +_ignore_prefixes = tuple(prefix) +del prefix + + +def _iter_module_paths() -> t.Iterator[str]: + """Find the filesystem paths associated with imported modules.""" + # List is in case the value is modified by the app while updating. + for module in list(sys.modules.values()): + name = getattr(module, "__file__", None) + + if name is None: + continue + + while not os.path.isfile(name): + # Zip file, find the base file without the module path. + old = name + name = os.path.dirname(name) + + if name == old: # skip if it was all directories somehow + break + else: + yield name + + +def _remove_by_pattern(paths: t.Set[str], exclude_patterns: t.Set[str]) -> None: + for pattern in exclude_patterns: + paths.difference_update(fnmatch.filter(paths, pattern)) + + +def _find_stat_paths( + extra_files: t.Set[str], exclude_patterns: t.Set[str] +) -> t.Iterable[str]: + """Find paths for the stat reloader to watch. Returns imported + module files, Python files under non-system paths. Extra files and + Python files under extra directories can also be scanned. + + System paths have to be excluded for efficiency. Non-system paths, + such as a project root or ``sys.path.insert``, should be the paths + of interest to the user anyway. + """ + paths = set() + + for path in chain(list(sys.path), extra_files): + path = os.path.abspath(path) + + if os.path.isfile(path): + # zip file on sys.path, or extra file + paths.add(path) + + for root, dirs, files in os.walk(path): + # Ignore system prefixes for efficience. Don't scan + # __pycache__, it will have a py or pyc module at the import + # path. As an optimization, ignore .git and .hg since + # nothing interesting will be there. + if root.startswith(_ignore_prefixes) or os.path.basename(root) in { + "__pycache__", + ".git", + ".hg", + }: + dirs.clear() + continue + + for name in files: + if name.endswith((".py", ".pyc")): + paths.add(os.path.join(root, name)) + + paths.update(_iter_module_paths()) + _remove_by_pattern(paths, exclude_patterns) + return paths + + +def _find_watchdog_paths( + extra_files: t.Set[str], exclude_patterns: t.Set[str] +) -> t.Iterable[str]: + """Find paths for the stat reloader to watch. Looks at the same + sources as the stat reloader, but watches everything under + directories instead of individual files. + """ + dirs = set() + + for name in chain(list(sys.path), extra_files): + name = os.path.abspath(name) + + if os.path.isfile(name): + name = os.path.dirname(name) + + dirs.add(name) + + for name in _iter_module_paths(): + dirs.add(os.path.dirname(name)) + + _remove_by_pattern(dirs, exclude_patterns) + return _find_common_roots(dirs) + + +def _find_common_roots(paths: t.Iterable[str]) -> t.Iterable[str]: + root: t.Dict[str, dict] = {} + + for chunks in sorted((PurePath(x).parts for x in paths), key=len, reverse=True): + node = root + + for chunk in chunks: + node = node.setdefault(chunk, {}) + + node.clear() + + rv = set() + + def _walk(node: t.Mapping[str, dict], path: t.Tuple[str, ...]) -> None: + for prefix, child in node.items(): + _walk(child, path + (prefix,)) + + if not node: + rv.add(os.path.join(*path)) + + _walk(root, ()) + return rv + + +def _get_args_for_reloading() -> t.List[str]: + """Determine how the script was executed, and return the args needed + to execute it again in a new process. + """ + rv = [sys.executable] + py_script = sys.argv[0] + args = sys.argv[1:] + # Need to look at main module to determine how it was executed. + __main__ = sys.modules["__main__"] + + # The value of __package__ indicates how Python was called. It may + # not exist if a setuptools script is installed as an egg. It may be + # set incorrectly for entry points created with pip on Windows. + if getattr(__main__, "__package__", None) is None or ( + os.name == "nt" + and __main__.__package__ == "" + and not os.path.exists(py_script) + and os.path.exists(f"{py_script}.exe") + ): + # Executed a file, like "python app.py". + py_script = os.path.abspath(py_script) + + if os.name == "nt": + # Windows entry points have ".exe" extension and should be + # called directly. + if not os.path.exists(py_script) and os.path.exists(f"{py_script}.exe"): + py_script += ".exe" + + if ( + os.path.splitext(sys.executable)[1] == ".exe" + and os.path.splitext(py_script)[1] == ".exe" + ): + rv.pop(0) + + rv.append(py_script) + else: + # Executed a module, like "python -m werkzeug.serving". + if sys.argv[0] == "-m": + # Flask works around previous behavior by putting + # "-m flask" in sys.argv. + # TODO remove this once Flask no longer misbehaves + args = sys.argv + else: + if os.path.isfile(py_script): + # Rewritten by Python from "-m script" to "/path/to/script.py". + py_module = t.cast(str, __main__.__package__) + name = os.path.splitext(os.path.basename(py_script))[0] + + if name != "__main__": + py_module += f".{name}" + else: + # Incorrectly rewritten by pydevd debugger from "-m script" to "script". + py_module = py_script + + rv.extend(("-m", py_module.lstrip("."))) + + rv.extend(args) + return rv + + +class ReloaderLoop: + name = "" + + def __init__( + self, + extra_files: t.Optional[t.Iterable[str]] = None, + exclude_patterns: t.Optional[t.Iterable[str]] = None, + interval: t.Union[int, float] = 1, + ) -> None: + self.extra_files: t.Set[str] = {os.path.abspath(x) for x in extra_files or ()} + self.exclude_patterns: t.Set[str] = set(exclude_patterns or ()) + self.interval = interval + + def __enter__(self) -> "ReloaderLoop": + """Do any setup, then run one step of the watch to populate the + initial filesystem state. + """ + self.run_step() + return self + + def __exit__(self, exc_type, exc_val, exc_tb): # type: ignore + """Clean up any resources associated with the reloader.""" + pass + + def run(self) -> None: + """Continually run the watch step, sleeping for the configured + interval after each step. + """ + while True: + self.run_step() + time.sleep(self.interval) + + def run_step(self) -> None: + """Run one step for watching the filesystem. Called once to set + up initial state, then repeatedly to update it. + """ + pass + + def restart_with_reloader(self) -> int: + """Spawn a new Python interpreter with the same arguments as the + current one, but running the reloader thread. + """ + while True: + _log("info", f" * Restarting with {self.name}") + args = _get_args_for_reloading() + new_environ = os.environ.copy() + new_environ["WERKZEUG_RUN_MAIN"] = "true" + exit_code = subprocess.call(args, env=new_environ, close_fds=False) + + if exit_code != 3: + return exit_code + + def trigger_reload(self, filename: str) -> None: + self.log_reload(filename) + sys.exit(3) + + def log_reload(self, filename: str) -> None: + filename = os.path.abspath(filename) + _log("info", f" * Detected change in {filename!r}, reloading") + + +class StatReloaderLoop(ReloaderLoop): + name = "stat" + + def __enter__(self) -> ReloaderLoop: + self.mtimes: t.Dict[str, float] = {} + return super().__enter__() + + def run_step(self) -> None: + for name in chain(_find_stat_paths(self.extra_files, self.exclude_patterns)): + try: + mtime = os.stat(name).st_mtime + except OSError: + continue + + old_time = self.mtimes.get(name) + + if old_time is None: + self.mtimes[name] = mtime + continue + + if mtime > old_time: + self.trigger_reload(name) + + +class WatchdogReloaderLoop(ReloaderLoop): + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + from watchdog.observers import Observer + from watchdog.events import PatternMatchingEventHandler + + super().__init__(*args, **kwargs) + trigger_reload = self.trigger_reload + + class EventHandler(PatternMatchingEventHandler): # type: ignore + def on_any_event(self, event): # type: ignore + trigger_reload(event.src_path) + + reloader_name = Observer.__name__.lower() + + if reloader_name.endswith("observer"): + reloader_name = reloader_name[:-8] + + self.name = f"watchdog ({reloader_name})" + self.observer = Observer() + # Extra patterns can be non-Python files, match them in addition + # to all Python files in default and extra directories. Ignore + # __pycache__ since a change there will always have a change to + # the source file (or initial pyc file) as well. Ignore Git and + # Mercurial internal changes. + extra_patterns = [p for p in self.extra_files if not os.path.isdir(p)] + self.event_handler = EventHandler( + patterns=["*.py", "*.pyc", "*.zip", *extra_patterns], + ignore_patterns=[ + "*/__pycache__/*", + "*/.git/*", + "*/.hg/*", + *self.exclude_patterns, + ], + ) + self.should_reload = False + + def trigger_reload(self, filename: str) -> None: + # This is called inside an event handler, which means throwing + # SystemExit has no effect. + # https://github.com/gorakhargosh/watchdog/issues/294 + self.should_reload = True + self.log_reload(filename) + + def __enter__(self) -> ReloaderLoop: + self.watches: t.Dict[str, t.Any] = {} + self.observer.start() + return super().__enter__() + + def __exit__(self, exc_type, exc_val, exc_tb): # type: ignore + self.observer.stop() + self.observer.join() + + def run(self) -> None: + while not self.should_reload: + self.run_step() + time.sleep(self.interval) + + sys.exit(3) + + def run_step(self) -> None: + to_delete = set(self.watches) + + for path in _find_watchdog_paths(self.extra_files, self.exclude_patterns): + if path not in self.watches: + try: + self.watches[path] = self.observer.schedule( + self.event_handler, path, recursive=True + ) + except OSError: + # Clear this path from list of watches We don't want + # the same error message showing again in the next + # iteration. + self.watches[path] = None + + to_delete.discard(path) + + for path in to_delete: + watch = self.watches.pop(path, None) + + if watch is not None: + self.observer.unschedule(watch) + + +reloader_loops: t.Dict[str, t.Type[ReloaderLoop]] = { + "stat": StatReloaderLoop, + "watchdog": WatchdogReloaderLoop, +} + +try: + __import__("watchdog.observers") +except ImportError: + reloader_loops["auto"] = reloader_loops["stat"] +else: + reloader_loops["auto"] = reloader_loops["watchdog"] + + +def ensure_echo_on() -> None: + """Ensure that echo mode is enabled. Some tools such as PDB disable + it which causes usability issues after a reload.""" + # tcgetattr will fail if stdin isn't a tty + if sys.stdin is None or not sys.stdin.isatty(): + return + + try: + import termios + except ImportError: + return + + attributes = termios.tcgetattr(sys.stdin) + + if not attributes[3] & termios.ECHO: + attributes[3] |= termios.ECHO + termios.tcsetattr(sys.stdin, termios.TCSANOW, attributes) + + +def run_with_reloader( + main_func: t.Callable[[], None], + extra_files: t.Optional[t.Iterable[str]] = None, + exclude_patterns: t.Optional[t.Iterable[str]] = None, + interval: t.Union[int, float] = 1, + reloader_type: str = "auto", +) -> None: + """Run the given function in an independent Python interpreter.""" + import signal + + signal.signal(signal.SIGTERM, lambda *args: sys.exit(0)) + reloader = reloader_loops[reloader_type]( + extra_files=extra_files, exclude_patterns=exclude_patterns, interval=interval + ) + + try: + if os.environ.get("WERKZEUG_RUN_MAIN") == "true": + ensure_echo_on() + t = threading.Thread(target=main_func, args=()) + t.daemon = True + + # Enter the reloader to set up initial state, then start + # the app thread and reloader update loop. + with reloader: + t.start() + reloader.run() + else: + sys.exit(reloader.restart_with_reloader()) + except KeyboardInterrupt: + pass diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.py new file mode 100644 index 0000000..5fb5928 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.py @@ -0,0 +1,3051 @@ +import base64 +import codecs +import mimetypes +import re +import warnings +from collections.abc import Collection +from collections.abc import MutableSet +from copy import deepcopy +from io import BytesIO +from itertools import repeat +from os import fspath + +from . import exceptions +from ._internal import _make_encode_wrapper +from ._internal import _missing +from .filesystem import get_filesystem_encoding + + +def is_immutable(self): + raise TypeError(f"{type(self).__name__!r} objects are immutable") + + +def iter_multi_items(mapping): + """Iterates over the items of a mapping yielding keys and values + without dropping any from more complex structures. + """ + if isinstance(mapping, MultiDict): + yield from mapping.items(multi=True) + elif isinstance(mapping, dict): + for key, value in mapping.items(): + if isinstance(value, (tuple, list)): + for v in value: + yield key, v + else: + yield key, value + else: + yield from mapping + + +class ImmutableListMixin: + """Makes a :class:`list` immutable. + + .. versionadded:: 0.5 + + :private: + """ + + _hash_cache = None + + def __hash__(self): + if self._hash_cache is not None: + return self._hash_cache + rv = self._hash_cache = hash(tuple(self)) + return rv + + def __reduce_ex__(self, protocol): + return type(self), (list(self),) + + def __delitem__(self, key): + is_immutable(self) + + def __iadd__(self, other): + is_immutable(self) + + def __imul__(self, other): + is_immutable(self) + + def __setitem__(self, key, value): + is_immutable(self) + + def append(self, item): + is_immutable(self) + + def remove(self, item): + is_immutable(self) + + def extend(self, iterable): + is_immutable(self) + + def insert(self, pos, value): + is_immutable(self) + + def pop(self, index=-1): + is_immutable(self) + + def reverse(self): + is_immutable(self) + + def sort(self, key=None, reverse=False): + is_immutable(self) + + +class ImmutableList(ImmutableListMixin, list): + """An immutable :class:`list`. + + .. versionadded:: 0.5 + + :private: + """ + + def __repr__(self): + return f"{type(self).__name__}({list.__repr__(self)})" + + +class ImmutableDictMixin: + """Makes a :class:`dict` immutable. + + .. versionadded:: 0.5 + + :private: + """ + + _hash_cache = None + + @classmethod + def fromkeys(cls, keys, value=None): + instance = super().__new__(cls) + instance.__init__(zip(keys, repeat(value))) + return instance + + def __reduce_ex__(self, protocol): + return type(self), (dict(self),) + + def _iter_hashitems(self): + return self.items() + + def __hash__(self): + if self._hash_cache is not None: + return self._hash_cache + rv = self._hash_cache = hash(frozenset(self._iter_hashitems())) + return rv + + def setdefault(self, key, default=None): + is_immutable(self) + + def update(self, *args, **kwargs): + is_immutable(self) + + def pop(self, key, default=None): + is_immutable(self) + + def popitem(self): + is_immutable(self) + + def __setitem__(self, key, value): + is_immutable(self) + + def __delitem__(self, key): + is_immutable(self) + + def clear(self): + is_immutable(self) + + +class ImmutableMultiDictMixin(ImmutableDictMixin): + """Makes a :class:`MultiDict` immutable. + + .. versionadded:: 0.5 + + :private: + """ + + def __reduce_ex__(self, protocol): + return type(self), (list(self.items(multi=True)),) + + def _iter_hashitems(self): + return self.items(multi=True) + + def add(self, key, value): + is_immutable(self) + + def popitemlist(self): + is_immutable(self) + + def poplist(self, key): + is_immutable(self) + + def setlist(self, key, new_list): + is_immutable(self) + + def setlistdefault(self, key, default_list=None): + is_immutable(self) + + +def _calls_update(name): + def oncall(self, *args, **kw): + rv = getattr(super(UpdateDictMixin, self), name)(*args, **kw) + + if self.on_update is not None: + self.on_update(self) + + return rv + + oncall.__name__ = name + return oncall + + +class UpdateDictMixin(dict): + """Makes dicts call `self.on_update` on modifications. + + .. versionadded:: 0.5 + + :private: + """ + + on_update = None + + def setdefault(self, key, default=None): + modified = key not in self + rv = super().setdefault(key, default) + if modified and self.on_update is not None: + self.on_update(self) + return rv + + def pop(self, key, default=_missing): + modified = key in self + if default is _missing: + rv = super().pop(key) + else: + rv = super().pop(key, default) + if modified and self.on_update is not None: + self.on_update(self) + return rv + + __setitem__ = _calls_update("__setitem__") + __delitem__ = _calls_update("__delitem__") + clear = _calls_update("clear") + popitem = _calls_update("popitem") + update = _calls_update("update") + + +class TypeConversionDict(dict): + """Works like a regular dict but the :meth:`get` method can perform + type conversions. :class:`MultiDict` and :class:`CombinedMultiDict` + are subclasses of this class and provide the same feature. + + .. versionadded:: 0.5 + """ + + def get(self, key, default=None, type=None): + """Return the default value if the requested data doesn't exist. + If `type` is provided and is a callable it should convert the value, + return it or raise a :exc:`ValueError` if that is not possible. In + this case the function will return the default as if the value was not + found: + + >>> d = TypeConversionDict(foo='42', bar='blub') + >>> d.get('foo', type=int) + 42 + >>> d.get('bar', -1, type=int) + -1 + + :param key: The key to be looked up. + :param default: The default value to be returned if the key can't + be looked up. If not further specified `None` is + returned. + :param type: A callable that is used to cast the value in the + :class:`MultiDict`. If a :exc:`ValueError` is raised + by this callable the default value is returned. + """ + try: + rv = self[key] + except KeyError: + return default + if type is not None: + try: + rv = type(rv) + except ValueError: + rv = default + return rv + + +class ImmutableTypeConversionDict(ImmutableDictMixin, TypeConversionDict): + """Works like a :class:`TypeConversionDict` but does not support + modifications. + + .. versionadded:: 0.5 + """ + + def copy(self): + """Return a shallow mutable copy of this object. Keep in mind that + the standard library's :func:`copy` function is a no-op for this class + like for any other python immutable type (eg: :class:`tuple`). + """ + return TypeConversionDict(self) + + def __copy__(self): + return self + + +class MultiDict(TypeConversionDict): + """A :class:`MultiDict` is a dictionary subclass customized to deal with + multiple values for the same key which is for example used by the parsing + functions in the wrappers. This is necessary because some HTML form + elements pass multiple values for the same key. + + :class:`MultiDict` implements all standard dictionary methods. + Internally, it saves all values for a key as a list, but the standard dict + access methods will only return the first value for a key. If you want to + gain access to the other values, too, you have to use the `list` methods as + explained below. + + Basic Usage: + + >>> d = MultiDict([('a', 'b'), ('a', 'c')]) + >>> d + MultiDict([('a', 'b'), ('a', 'c')]) + >>> d['a'] + 'b' + >>> d.getlist('a') + ['b', 'c'] + >>> 'a' in d + True + + It behaves like a normal dict thus all dict functions will only return the + first value when multiple values for one key are found. + + From Werkzeug 0.3 onwards, the `KeyError` raised by this class is also a + subclass of the :exc:`~exceptions.BadRequest` HTTP exception and will + render a page for a ``400 BAD REQUEST`` if caught in a catch-all for HTTP + exceptions. + + A :class:`MultiDict` can be constructed from an iterable of + ``(key, value)`` tuples, a dict, a :class:`MultiDict` or from Werkzeug 0.2 + onwards some keyword parameters. + + :param mapping: the initial value for the :class:`MultiDict`. Either a + regular dict, an iterable of ``(key, value)`` tuples + or `None`. + """ + + def __init__(self, mapping=None): + if isinstance(mapping, MultiDict): + dict.__init__(self, ((k, l[:]) for k, l in mapping.lists())) + elif isinstance(mapping, dict): + tmp = {} + for key, value in mapping.items(): + if isinstance(value, (tuple, list)): + if len(value) == 0: + continue + value = list(value) + else: + value = [value] + tmp[key] = value + dict.__init__(self, tmp) + else: + tmp = {} + for key, value in mapping or (): + tmp.setdefault(key, []).append(value) + dict.__init__(self, tmp) + + def __getstate__(self): + return dict(self.lists()) + + def __setstate__(self, value): + dict.clear(self) + dict.update(self, value) + + def __iter__(self): + # Work around https://bugs.python.org/issue43246. + # (`return super().__iter__()` also works here, which makes this look + # even more like it should be a no-op, yet it isn't.) + return dict.__iter__(self) + + def __getitem__(self, key): + """Return the first data value for this key; + raises KeyError if not found. + + :param key: The key to be looked up. + :raise KeyError: if the key does not exist. + """ + + if key in self: + lst = dict.__getitem__(self, key) + if len(lst) > 0: + return lst[0] + raise exceptions.BadRequestKeyError(key) + + def __setitem__(self, key, value): + """Like :meth:`add` but removes an existing key first. + + :param key: the key for the value. + :param value: the value to set. + """ + dict.__setitem__(self, key, [value]) + + def add(self, key, value): + """Adds a new value for the key. + + .. versionadded:: 0.6 + + :param key: the key for the value. + :param value: the value to add. + """ + dict.setdefault(self, key, []).append(value) + + def getlist(self, key, type=None): + """Return the list of items for a given key. If that key is not in the + `MultiDict`, the return value will be an empty list. Just like `get`, + `getlist` accepts a `type` parameter. All items will be converted + with the callable defined there. + + :param key: The key to be looked up. + :param type: A callable that is used to cast the value in the + :class:`MultiDict`. If a :exc:`ValueError` is raised + by this callable the value will be removed from the list. + :return: a :class:`list` of all the values for the key. + """ + try: + rv = dict.__getitem__(self, key) + except KeyError: + return [] + if type is None: + return list(rv) + result = [] + for item in rv: + try: + result.append(type(item)) + except ValueError: + pass + return result + + def setlist(self, key, new_list): + """Remove the old values for a key and add new ones. Note that the list + you pass the values in will be shallow-copied before it is inserted in + the dictionary. + + >>> d = MultiDict() + >>> d.setlist('foo', ['1', '2']) + >>> d['foo'] + '1' + >>> d.getlist('foo') + ['1', '2'] + + :param key: The key for which the values are set. + :param new_list: An iterable with the new values for the key. Old values + are removed first. + """ + dict.__setitem__(self, key, list(new_list)) + + def setdefault(self, key, default=None): + """Returns the value for the key if it is in the dict, otherwise it + returns `default` and sets that value for `key`. + + :param key: The key to be looked up. + :param default: The default value to be returned if the key is not + in the dict. If not further specified it's `None`. + """ + if key not in self: + self[key] = default + else: + default = self[key] + return default + + def setlistdefault(self, key, default_list=None): + """Like `setdefault` but sets multiple values. The list returned + is not a copy, but the list that is actually used internally. This + means that you can put new values into the dict by appending items + to the list: + + >>> d = MultiDict({"foo": 1}) + >>> d.setlistdefault("foo").extend([2, 3]) + >>> d.getlist("foo") + [1, 2, 3] + + :param key: The key to be looked up. + :param default_list: An iterable of default values. It is either copied + (in case it was a list) or converted into a list + before returned. + :return: a :class:`list` + """ + if key not in self: + default_list = list(default_list or ()) + dict.__setitem__(self, key, default_list) + else: + default_list = dict.__getitem__(self, key) + return default_list + + def items(self, multi=False): + """Return an iterator of ``(key, value)`` pairs. + + :param multi: If set to `True` the iterator returned will have a pair + for each value of each key. Otherwise it will only + contain pairs for the first value of each key. + """ + for key, values in dict.items(self): + if multi: + for value in values: + yield key, value + else: + yield key, values[0] + + def lists(self): + """Return a iterator of ``(key, values)`` pairs, where values is the list + of all values associated with the key.""" + for key, values in dict.items(self): + yield key, list(values) + + def values(self): + """Returns an iterator of the first value on every key's value list.""" + for values in dict.values(self): + yield values[0] + + def listvalues(self): + """Return an iterator of all values associated with a key. Zipping + :meth:`keys` and this is the same as calling :meth:`lists`: + + >>> d = MultiDict({"foo": [1, 2, 3]}) + >>> zip(d.keys(), d.listvalues()) == d.lists() + True + """ + return dict.values(self) + + def copy(self): + """Return a shallow copy of this object.""" + return self.__class__(self) + + def deepcopy(self, memo=None): + """Return a deep copy of this object.""" + return self.__class__(deepcopy(self.to_dict(flat=False), memo)) + + def to_dict(self, flat=True): + """Return the contents as regular dict. If `flat` is `True` the + returned dict will only have the first item present, if `flat` is + `False` all values will be returned as lists. + + :param flat: If set to `False` the dict returned will have lists + with all the values in it. Otherwise it will only + contain the first value for each key. + :return: a :class:`dict` + """ + if flat: + return dict(self.items()) + return dict(self.lists()) + + def update(self, mapping): + """update() extends rather than replaces existing key lists: + + >>> a = MultiDict({'x': 1}) + >>> b = MultiDict({'x': 2, 'y': 3}) + >>> a.update(b) + >>> a + MultiDict([('y', 3), ('x', 1), ('x', 2)]) + + If the value list for a key in ``other_dict`` is empty, no new values + will be added to the dict and the key will not be created: + + >>> x = {'empty_list': []} + >>> y = MultiDict() + >>> y.update(x) + >>> y + MultiDict([]) + """ + for key, value in iter_multi_items(mapping): + MultiDict.add(self, key, value) + + def pop(self, key, default=_missing): + """Pop the first item for a list on the dict. Afterwards the + key is removed from the dict, so additional values are discarded: + + >>> d = MultiDict({"foo": [1, 2, 3]}) + >>> d.pop("foo") + 1 + >>> "foo" in d + False + + :param key: the key to pop. + :param default: if provided the value to return if the key was + not in the dictionary. + """ + try: + lst = dict.pop(self, key) + + if len(lst) == 0: + raise exceptions.BadRequestKeyError(key) + + return lst[0] + except KeyError: + if default is not _missing: + return default + raise exceptions.BadRequestKeyError(key) + + def popitem(self): + """Pop an item from the dict.""" + try: + item = dict.popitem(self) + + if len(item[1]) == 0: + raise exceptions.BadRequestKeyError(item) + + return (item[0], item[1][0]) + except KeyError as e: + raise exceptions.BadRequestKeyError(e.args[0]) + + def poplist(self, key): + """Pop the list for a key from the dict. If the key is not in the dict + an empty list is returned. + + .. versionchanged:: 0.5 + If the key does no longer exist a list is returned instead of + raising an error. + """ + return dict.pop(self, key, []) + + def popitemlist(self): + """Pop a ``(key, list)`` tuple from the dict.""" + try: + return dict.popitem(self) + except KeyError as e: + raise exceptions.BadRequestKeyError(e.args[0]) + + def __copy__(self): + return self.copy() + + def __deepcopy__(self, memo): + return self.deepcopy(memo=memo) + + def __repr__(self): + return f"{type(self).__name__}({list(self.items(multi=True))!r})" + + +class _omd_bucket: + """Wraps values in the :class:`OrderedMultiDict`. This makes it + possible to keep an order over multiple different keys. It requires + a lot of extra memory and slows down access a lot, but makes it + possible to access elements in O(1) and iterate in O(n). + """ + + __slots__ = ("prev", "key", "value", "next") + + def __init__(self, omd, key, value): + self.prev = omd._last_bucket + self.key = key + self.value = value + self.next = None + + if omd._first_bucket is None: + omd._first_bucket = self + if omd._last_bucket is not None: + omd._last_bucket.next = self + omd._last_bucket = self + + def unlink(self, omd): + if self.prev: + self.prev.next = self.next + if self.next: + self.next.prev = self.prev + if omd._first_bucket is self: + omd._first_bucket = self.next + if omd._last_bucket is self: + omd._last_bucket = self.prev + + +class OrderedMultiDict(MultiDict): + """Works like a regular :class:`MultiDict` but preserves the + order of the fields. To convert the ordered multi dict into a + list you can use the :meth:`items` method and pass it ``multi=True``. + + In general an :class:`OrderedMultiDict` is an order of magnitude + slower than a :class:`MultiDict`. + + .. admonition:: note + + Due to a limitation in Python you cannot convert an ordered + multi dict into a regular dict by using ``dict(multidict)``. + Instead you have to use the :meth:`to_dict` method, otherwise + the internal bucket objects are exposed. + """ + + def __init__(self, mapping=None): + dict.__init__(self) + self._first_bucket = self._last_bucket = None + if mapping is not None: + OrderedMultiDict.update(self, mapping) + + def __eq__(self, other): + if not isinstance(other, MultiDict): + return NotImplemented + if isinstance(other, OrderedMultiDict): + iter1 = iter(self.items(multi=True)) + iter2 = iter(other.items(multi=True)) + try: + for k1, v1 in iter1: + k2, v2 = next(iter2) + if k1 != k2 or v1 != v2: + return False + except StopIteration: + return False + try: + next(iter2) + except StopIteration: + return True + return False + if len(self) != len(other): + return False + for key, values in self.lists(): + if other.getlist(key) != values: + return False + return True + + __hash__ = None + + def __reduce_ex__(self, protocol): + return type(self), (list(self.items(multi=True)),) + + def __getstate__(self): + return list(self.items(multi=True)) + + def __setstate__(self, values): + dict.clear(self) + for key, value in values: + self.add(key, value) + + def __getitem__(self, key): + if key in self: + return dict.__getitem__(self, key)[0].value + raise exceptions.BadRequestKeyError(key) + + def __setitem__(self, key, value): + self.poplist(key) + self.add(key, value) + + def __delitem__(self, key): + self.pop(key) + + def keys(self): + return (key for key, value in self.items()) + + def __iter__(self): + return iter(self.keys()) + + def values(self): + return (value for key, value in self.items()) + + def items(self, multi=False): + ptr = self._first_bucket + if multi: + while ptr is not None: + yield ptr.key, ptr.value + ptr = ptr.next + else: + returned_keys = set() + while ptr is not None: + if ptr.key not in returned_keys: + returned_keys.add(ptr.key) + yield ptr.key, ptr.value + ptr = ptr.next + + def lists(self): + returned_keys = set() + ptr = self._first_bucket + while ptr is not None: + if ptr.key not in returned_keys: + yield ptr.key, self.getlist(ptr.key) + returned_keys.add(ptr.key) + ptr = ptr.next + + def listvalues(self): + for _key, values in self.lists(): + yield values + + def add(self, key, value): + dict.setdefault(self, key, []).append(_omd_bucket(self, key, value)) + + def getlist(self, key, type=None): + try: + rv = dict.__getitem__(self, key) + except KeyError: + return [] + if type is None: + return [x.value for x in rv] + result = [] + for item in rv: + try: + result.append(type(item.value)) + except ValueError: + pass + return result + + def setlist(self, key, new_list): + self.poplist(key) + for value in new_list: + self.add(key, value) + + def setlistdefault(self, key, default_list=None): + raise TypeError("setlistdefault is unsupported for ordered multi dicts") + + def update(self, mapping): + for key, value in iter_multi_items(mapping): + OrderedMultiDict.add(self, key, value) + + def poplist(self, key): + buckets = dict.pop(self, key, ()) + for bucket in buckets: + bucket.unlink(self) + return [x.value for x in buckets] + + def pop(self, key, default=_missing): + try: + buckets = dict.pop(self, key) + except KeyError: + if default is not _missing: + return default + raise exceptions.BadRequestKeyError(key) + for bucket in buckets: + bucket.unlink(self) + return buckets[0].value + + def popitem(self): + try: + key, buckets = dict.popitem(self) + except KeyError as e: + raise exceptions.BadRequestKeyError(e.args[0]) + for bucket in buckets: + bucket.unlink(self) + return key, buckets[0].value + + def popitemlist(self): + try: + key, buckets = dict.popitem(self) + except KeyError as e: + raise exceptions.BadRequestKeyError(e.args[0]) + for bucket in buckets: + bucket.unlink(self) + return key, [x.value for x in buckets] + + +def _options_header_vkw(value, kw): + return http.dump_options_header( + value, {k.replace("_", "-"): v for k, v in kw.items()} + ) + + +def _unicodify_header_value(value): + if isinstance(value, bytes): + value = value.decode("latin-1") + if not isinstance(value, str): + value = str(value) + return value + + +class Headers: + """An object that stores some headers. It has a dict-like interface, + but is ordered, can store the same key multiple times, and iterating + yields ``(key, value)`` pairs instead of only keys. + + This data structure is useful if you want a nicer way to handle WSGI + headers which are stored as tuples in a list. + + From Werkzeug 0.3 onwards, the :exc:`KeyError` raised by this class is + also a subclass of the :class:`~exceptions.BadRequest` HTTP exception + and will render a page for a ``400 BAD REQUEST`` if caught in a + catch-all for HTTP exceptions. + + Headers is mostly compatible with the Python :class:`wsgiref.headers.Headers` + class, with the exception of `__getitem__`. :mod:`wsgiref` will return + `None` for ``headers['missing']``, whereas :class:`Headers` will raise + a :class:`KeyError`. + + To create a new :class:`Headers` object pass it a list or dict of headers + which are used as default values. This does not reuse the list passed + to the constructor for internal usage. + + :param defaults: The list of default values for the :class:`Headers`. + + .. versionchanged:: 0.9 + This data structure now stores unicode values similar to how the + multi dicts do it. The main difference is that bytes can be set as + well which will automatically be latin1 decoded. + + .. versionchanged:: 0.9 + The :meth:`linked` function was removed without replacement as it + was an API that does not support the changes to the encoding model. + """ + + def __init__(self, defaults=None): + self._list = [] + if defaults is not None: + if isinstance(defaults, (list, Headers)): + self._list.extend(defaults) + else: + self.extend(defaults) + + def __getitem__(self, key, _get_mode=False): + if not _get_mode: + if isinstance(key, int): + return self._list[key] + elif isinstance(key, slice): + return self.__class__(self._list[key]) + if not isinstance(key, str): + raise exceptions.BadRequestKeyError(key) + ikey = key.lower() + for k, v in self._list: + if k.lower() == ikey: + return v + # micro optimization: if we are in get mode we will catch that + # exception one stack level down so we can raise a standard + # key error instead of our special one. + if _get_mode: + raise KeyError() + raise exceptions.BadRequestKeyError(key) + + def __eq__(self, other): + def lowered(item): + return (item[0].lower(),) + item[1:] + + return other.__class__ is self.__class__ and set( + map(lowered, other._list) + ) == set(map(lowered, self._list)) + + __hash__ = None + + def get(self, key, default=None, type=None, as_bytes=False): + """Return the default value if the requested data doesn't exist. + If `type` is provided and is a callable it should convert the value, + return it or raise a :exc:`ValueError` if that is not possible. In + this case the function will return the default as if the value was not + found: + + >>> d = Headers([('Content-Length', '42')]) + >>> d.get('Content-Length', type=int) + 42 + + .. versionadded:: 0.9 + Added support for `as_bytes`. + + :param key: The key to be looked up. + :param default: The default value to be returned if the key can't + be looked up. If not further specified `None` is + returned. + :param type: A callable that is used to cast the value in the + :class:`Headers`. If a :exc:`ValueError` is raised + by this callable the default value is returned. + :param as_bytes: return bytes instead of strings. + """ + try: + rv = self.__getitem__(key, _get_mode=True) + except KeyError: + return default + if as_bytes: + rv = rv.encode("latin1") + if type is None: + return rv + try: + return type(rv) + except ValueError: + return default + + def getlist(self, key, type=None, as_bytes=False): + """Return the list of items for a given key. If that key is not in the + :class:`Headers`, the return value will be an empty list. Just like + :meth:`get`, :meth:`getlist` accepts a `type` parameter. All items will + be converted with the callable defined there. + + .. versionadded:: 0.9 + Added support for `as_bytes`. + + :param key: The key to be looked up. + :param type: A callable that is used to cast the value in the + :class:`Headers`. If a :exc:`ValueError` is raised + by this callable the value will be removed from the list. + :return: a :class:`list` of all the values for the key. + :param as_bytes: return bytes instead of strings. + """ + ikey = key.lower() + result = [] + for k, v in self: + if k.lower() == ikey: + if as_bytes: + v = v.encode("latin1") + if type is not None: + try: + v = type(v) + except ValueError: + continue + result.append(v) + return result + + def get_all(self, name): + """Return a list of all the values for the named field. + + This method is compatible with the :mod:`wsgiref` + :meth:`~wsgiref.headers.Headers.get_all` method. + """ + return self.getlist(name) + + def items(self, lower=False): + for key, value in self: + if lower: + key = key.lower() + yield key, value + + def keys(self, lower=False): + for key, _ in self.items(lower): + yield key + + def values(self): + for _, value in self.items(): + yield value + + def extend(self, *args, **kwargs): + """Extend headers in this object with items from another object + containing header items as well as keyword arguments. + + To replace existing keys instead of extending, use + :meth:`update` instead. + + If provided, the first argument can be another :class:`Headers` + object, a :class:`MultiDict`, :class:`dict`, or iterable of + pairs. + + .. versionchanged:: 1.0 + Support :class:`MultiDict`. Allow passing ``kwargs``. + """ + if len(args) > 1: + raise TypeError(f"update expected at most 1 arguments, got {len(args)}") + + if args: + for key, value in iter_multi_items(args[0]): + self.add(key, value) + + for key, value in iter_multi_items(kwargs): + self.add(key, value) + + def __delitem__(self, key, _index_operation=True): + if _index_operation and isinstance(key, (int, slice)): + del self._list[key] + return + key = key.lower() + new = [] + for k, v in self._list: + if k.lower() != key: + new.append((k, v)) + self._list[:] = new + + def remove(self, key): + """Remove a key. + + :param key: The key to be removed. + """ + return self.__delitem__(key, _index_operation=False) + + def pop(self, key=None, default=_missing): + """Removes and returns a key or index. + + :param key: The key to be popped. If this is an integer the item at + that position is removed, if it's a string the value for + that key is. If the key is omitted or `None` the last + item is removed. + :return: an item. + """ + if key is None: + return self._list.pop() + if isinstance(key, int): + return self._list.pop(key) + try: + rv = self[key] + self.remove(key) + except KeyError: + if default is not _missing: + return default + raise + return rv + + def popitem(self): + """Removes a key or index and returns a (key, value) item.""" + return self.pop() + + def __contains__(self, key): + """Check if a key is present.""" + try: + self.__getitem__(key, _get_mode=True) + except KeyError: + return False + return True + + def has_key(self, key): + """ + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use ``key in data`` + instead. + """ + warnings.warn( + "'has_key' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'key in data' instead.", + DeprecationWarning, + stacklevel=2, + ) + return key in self + + def __iter__(self): + """Yield ``(key, value)`` tuples.""" + return iter(self._list) + + def __len__(self): + return len(self._list) + + def add(self, _key, _value, **kw): + """Add a new header tuple to the list. + + Keyword arguments can specify additional parameters for the header + value, with underscores converted to dashes:: + + >>> d = Headers() + >>> d.add('Content-Type', 'text/plain') + >>> d.add('Content-Disposition', 'attachment', filename='foo.png') + + The keyword argument dumping uses :func:`dump_options_header` + behind the scenes. + + .. versionadded:: 0.4.1 + keyword arguments were added for :mod:`wsgiref` compatibility. + """ + if kw: + _value = _options_header_vkw(_value, kw) + _key = _unicodify_header_value(_key) + _value = _unicodify_header_value(_value) + self._validate_value(_value) + self._list.append((_key, _value)) + + def _validate_value(self, value): + if not isinstance(value, str): + raise TypeError("Value should be a string.") + if "\n" in value or "\r" in value: + raise ValueError( + "Detected newline in header value. This is " + "a potential security problem" + ) + + def add_header(self, _key, _value, **_kw): + """Add a new header tuple to the list. + + An alias for :meth:`add` for compatibility with the :mod:`wsgiref` + :meth:`~wsgiref.headers.Headers.add_header` method. + """ + self.add(_key, _value, **_kw) + + def clear(self): + """Clears all headers.""" + del self._list[:] + + def set(self, _key, _value, **kw): + """Remove all header tuples for `key` and add a new one. The newly + added key either appears at the end of the list if there was no + entry or replaces the first one. + + Keyword arguments can specify additional parameters for the header + value, with underscores converted to dashes. See :meth:`add` for + more information. + + .. versionchanged:: 0.6.1 + :meth:`set` now accepts the same arguments as :meth:`add`. + + :param key: The key to be inserted. + :param value: The value to be inserted. + """ + if kw: + _value = _options_header_vkw(_value, kw) + _key = _unicodify_header_value(_key) + _value = _unicodify_header_value(_value) + self._validate_value(_value) + if not self._list: + self._list.append((_key, _value)) + return + listiter = iter(self._list) + ikey = _key.lower() + for idx, (old_key, _old_value) in enumerate(listiter): + if old_key.lower() == ikey: + # replace first occurrence + self._list[idx] = (_key, _value) + break + else: + self._list.append((_key, _value)) + return + self._list[idx + 1 :] = [t for t in listiter if t[0].lower() != ikey] + + def setlist(self, key, values): + """Remove any existing values for a header and add new ones. + + :param key: The header key to set. + :param values: An iterable of values to set for the key. + + .. versionadded:: 1.0 + """ + if values: + values_iter = iter(values) + self.set(key, next(values_iter)) + + for value in values_iter: + self.add(key, value) + else: + self.remove(key) + + def setdefault(self, key, default): + """Return the first value for the key if it is in the headers, + otherwise set the header to the value given by ``default`` and + return that. + + :param key: The header key to get. + :param default: The value to set for the key if it is not in the + headers. + """ + if key in self: + return self[key] + + self.set(key, default) + return default + + def setlistdefault(self, key, default): + """Return the list of values for the key if it is in the + headers, otherwise set the header to the list of values given + by ``default`` and return that. + + Unlike :meth:`MultiDict.setlistdefault`, modifying the returned + list will not affect the headers. + + :param key: The header key to get. + :param default: An iterable of values to set for the key if it + is not in the headers. + + .. versionadded:: 1.0 + """ + if key not in self: + self.setlist(key, default) + + return self.getlist(key) + + def __setitem__(self, key, value): + """Like :meth:`set` but also supports index/slice based setting.""" + if isinstance(key, (slice, int)): + if isinstance(key, int): + value = [value] + value = [ + (_unicodify_header_value(k), _unicodify_header_value(v)) + for (k, v) in value + ] + for (_, v) in value: + self._validate_value(v) + if isinstance(key, int): + self._list[key] = value[0] + else: + self._list[key] = value + else: + self.set(key, value) + + def update(self, *args, **kwargs): + """Replace headers in this object with items from another + headers object and keyword arguments. + + To extend existing keys instead of replacing, use :meth:`extend` + instead. + + If provided, the first argument can be another :class:`Headers` + object, a :class:`MultiDict`, :class:`dict`, or iterable of + pairs. + + .. versionadded:: 1.0 + """ + if len(args) > 1: + raise TypeError(f"update expected at most 1 arguments, got {len(args)}") + + if args: + mapping = args[0] + + if isinstance(mapping, (Headers, MultiDict)): + for key in mapping.keys(): + self.setlist(key, mapping.getlist(key)) + elif isinstance(mapping, dict): + for key, value in mapping.items(): + if isinstance(value, (list, tuple)): + self.setlist(key, value) + else: + self.set(key, value) + else: + for key, value in mapping: + self.set(key, value) + + for key, value in kwargs.items(): + if isinstance(value, (list, tuple)): + self.setlist(key, value) + else: + self.set(key, value) + + def to_wsgi_list(self): + """Convert the headers into a list suitable for WSGI. + + :return: list + """ + return list(self) + + def copy(self): + return self.__class__(self._list) + + def __copy__(self): + return self.copy() + + def __str__(self): + """Returns formatted headers suitable for HTTP transmission.""" + strs = [] + for key, value in self.to_wsgi_list(): + strs.append(f"{key}: {value}") + strs.append("\r\n") + return "\r\n".join(strs) + + def __repr__(self): + return f"{type(self).__name__}({list(self)!r})" + + +class ImmutableHeadersMixin: + """Makes a :class:`Headers` immutable. We do not mark them as + hashable though since the only usecase for this datastructure + in Werkzeug is a view on a mutable structure. + + .. versionadded:: 0.5 + + :private: + """ + + def __delitem__(self, key, **kwargs): + is_immutable(self) + + def __setitem__(self, key, value): + is_immutable(self) + + def set(self, _key, _value, **kw): + is_immutable(self) + + def setlist(self, key, values): + is_immutable(self) + + def add(self, _key, _value, **kw): + is_immutable(self) + + def add_header(self, _key, _value, **_kw): + is_immutable(self) + + def remove(self, key): + is_immutable(self) + + def extend(self, *args, **kwargs): + is_immutable(self) + + def update(self, *args, **kwargs): + is_immutable(self) + + def insert(self, pos, value): + is_immutable(self) + + def pop(self, key=None, default=_missing): + is_immutable(self) + + def popitem(self): + is_immutable(self) + + def setdefault(self, key, default): + is_immutable(self) + + def setlistdefault(self, key, default): + is_immutable(self) + + +class EnvironHeaders(ImmutableHeadersMixin, Headers): + """Read only version of the headers from a WSGI environment. This + provides the same interface as `Headers` and is constructed from + a WSGI environment. + + From Werkzeug 0.3 onwards, the `KeyError` raised by this class is also a + subclass of the :exc:`~exceptions.BadRequest` HTTP exception and will + render a page for a ``400 BAD REQUEST`` if caught in a catch-all for + HTTP exceptions. + """ + + def __init__(self, environ): + self.environ = environ + + def __eq__(self, other): + return self.environ is other.environ + + __hash__ = None + + def __getitem__(self, key, _get_mode=False): + # _get_mode is a no-op for this class as there is no index but + # used because get() calls it. + if not isinstance(key, str): + raise KeyError(key) + key = key.upper().replace("-", "_") + if key in ("CONTENT_TYPE", "CONTENT_LENGTH"): + return _unicodify_header_value(self.environ[key]) + return _unicodify_header_value(self.environ[f"HTTP_{key}"]) + + def __len__(self): + # the iter is necessary because otherwise list calls our + # len which would call list again and so forth. + return len(list(iter(self))) + + def __iter__(self): + for key, value in self.environ.items(): + if key.startswith("HTTP_") and key not in ( + "HTTP_CONTENT_TYPE", + "HTTP_CONTENT_LENGTH", + ): + yield ( + key[5:].replace("_", "-").title(), + _unicodify_header_value(value), + ) + elif key in ("CONTENT_TYPE", "CONTENT_LENGTH") and value: + yield (key.replace("_", "-").title(), _unicodify_header_value(value)) + + def copy(self): + raise TypeError(f"cannot create {type(self).__name__!r} copies") + + +class CombinedMultiDict(ImmutableMultiDictMixin, MultiDict): + """A read only :class:`MultiDict` that you can pass multiple :class:`MultiDict` + instances as sequence and it will combine the return values of all wrapped + dicts: + + >>> from werkzeug.datastructures import CombinedMultiDict, MultiDict + >>> post = MultiDict([('foo', 'bar')]) + >>> get = MultiDict([('blub', 'blah')]) + >>> combined = CombinedMultiDict([get, post]) + >>> combined['foo'] + 'bar' + >>> combined['blub'] + 'blah' + + This works for all read operations and will raise a `TypeError` for + methods that usually change data which isn't possible. + + From Werkzeug 0.3 onwards, the `KeyError` raised by this class is also a + subclass of the :exc:`~exceptions.BadRequest` HTTP exception and will + render a page for a ``400 BAD REQUEST`` if caught in a catch-all for HTTP + exceptions. + """ + + def __reduce_ex__(self, protocol): + return type(self), (self.dicts,) + + def __init__(self, dicts=None): + self.dicts = list(dicts) or [] + + @classmethod + def fromkeys(cls, keys, value=None): + raise TypeError(f"cannot create {cls.__name__!r} instances by fromkeys") + + def __getitem__(self, key): + for d in self.dicts: + if key in d: + return d[key] + raise exceptions.BadRequestKeyError(key) + + def get(self, key, default=None, type=None): + for d in self.dicts: + if key in d: + if type is not None: + try: + return type(d[key]) + except ValueError: + continue + return d[key] + return default + + def getlist(self, key, type=None): + rv = [] + for d in self.dicts: + rv.extend(d.getlist(key, type)) + return rv + + def _keys_impl(self): + """This function exists so __len__ can be implemented more efficiently, + saving one list creation from an iterator. + """ + rv = set() + rv.update(*self.dicts) + return rv + + def keys(self): + return self._keys_impl() + + def __iter__(self): + return iter(self.keys()) + + def items(self, multi=False): + found = set() + for d in self.dicts: + for key, value in d.items(multi): + if multi: + yield key, value + elif key not in found: + found.add(key) + yield key, value + + def values(self): + for _key, value in self.items(): + yield value + + def lists(self): + rv = {} + for d in self.dicts: + for key, values in d.lists(): + rv.setdefault(key, []).extend(values) + return list(rv.items()) + + def listvalues(self): + return (x[1] for x in self.lists()) + + def copy(self): + """Return a shallow mutable copy of this object. + + This returns a :class:`MultiDict` representing the data at the + time of copying. The copy will no longer reflect changes to the + wrapped dicts. + + .. versionchanged:: 0.15 + Return a mutable :class:`MultiDict`. + """ + return MultiDict(self) + + def to_dict(self, flat=True): + """Return the contents as regular dict. If `flat` is `True` the + returned dict will only have the first item present, if `flat` is + `False` all values will be returned as lists. + + :param flat: If set to `False` the dict returned will have lists + with all the values in it. Otherwise it will only + contain the first item for each key. + :return: a :class:`dict` + """ + rv = {} + for d in reversed(self.dicts): + rv.update(d.to_dict(flat)) + return rv + + def __len__(self): + return len(self._keys_impl()) + + def __contains__(self, key): + for d in self.dicts: + if key in d: + return True + return False + + def has_key(self, key): + """ + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use ``key in data`` + instead. + """ + warnings.warn( + "'has_key' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'key in data' instead.", + DeprecationWarning, + stacklevel=2, + ) + return key in self + + def __repr__(self): + return f"{type(self).__name__}({self.dicts!r})" + + +class FileMultiDict(MultiDict): + """A special :class:`MultiDict` that has convenience methods to add + files to it. This is used for :class:`EnvironBuilder` and generally + useful for unittesting. + + .. versionadded:: 0.5 + """ + + def add_file(self, name, file, filename=None, content_type=None): + """Adds a new file to the dict. `file` can be a file name or + a :class:`file`-like or a :class:`FileStorage` object. + + :param name: the name of the field. + :param file: a filename or :class:`file`-like object + :param filename: an optional filename + :param content_type: an optional content type + """ + if isinstance(file, FileStorage): + value = file + else: + if isinstance(file, str): + if filename is None: + filename = file + file = open(file, "rb") + if filename and content_type is None: + content_type = ( + mimetypes.guess_type(filename)[0] or "application/octet-stream" + ) + value = FileStorage(file, filename, name, content_type) + + self.add(name, value) + + +class ImmutableDict(ImmutableDictMixin, dict): + """An immutable :class:`dict`. + + .. versionadded:: 0.5 + """ + + def __repr__(self): + return f"{type(self).__name__}({dict.__repr__(self)})" + + def copy(self): + """Return a shallow mutable copy of this object. Keep in mind that + the standard library's :func:`copy` function is a no-op for this class + like for any other python immutable type (eg: :class:`tuple`). + """ + return dict(self) + + def __copy__(self): + return self + + +class ImmutableMultiDict(ImmutableMultiDictMixin, MultiDict): + """An immutable :class:`MultiDict`. + + .. versionadded:: 0.5 + """ + + def copy(self): + """Return a shallow mutable copy of this object. Keep in mind that + the standard library's :func:`copy` function is a no-op for this class + like for any other python immutable type (eg: :class:`tuple`). + """ + return MultiDict(self) + + def __copy__(self): + return self + + +class ImmutableOrderedMultiDict(ImmutableMultiDictMixin, OrderedMultiDict): + """An immutable :class:`OrderedMultiDict`. + + .. versionadded:: 0.6 + """ + + def _iter_hashitems(self): + return enumerate(self.items(multi=True)) + + def copy(self): + """Return a shallow mutable copy of this object. Keep in mind that + the standard library's :func:`copy` function is a no-op for this class + like for any other python immutable type (eg: :class:`tuple`). + """ + return OrderedMultiDict(self) + + def __copy__(self): + return self + + +class Accept(ImmutableList): + """An :class:`Accept` object is just a list subclass for lists of + ``(value, quality)`` tuples. It is automatically sorted by specificity + and quality. + + All :class:`Accept` objects work similar to a list but provide extra + functionality for working with the data. Containment checks are + normalized to the rules of that header: + + >>> a = CharsetAccept([('ISO-8859-1', 1), ('utf-8', 0.7)]) + >>> a.best + 'ISO-8859-1' + >>> 'iso-8859-1' in a + True + >>> 'UTF8' in a + True + >>> 'utf7' in a + False + + To get the quality for an item you can use normal item lookup: + + >>> print a['utf-8'] + 0.7 + >>> a['utf7'] + 0 + + .. versionchanged:: 0.5 + :class:`Accept` objects are forced immutable now. + + .. versionchanged:: 1.0.0 + :class:`Accept` internal values are no longer ordered + alphabetically for equal quality tags. Instead the initial + order is preserved. + + """ + + def __init__(self, values=()): + if values is None: + list.__init__(self) + self.provided = False + elif isinstance(values, Accept): + self.provided = values.provided + list.__init__(self, values) + else: + self.provided = True + values = sorted( + values, key=lambda x: (self._specificity(x[0]), x[1]), reverse=True + ) + list.__init__(self, values) + + def _specificity(self, value): + """Returns a tuple describing the value's specificity.""" + return (value != "*",) + + def _value_matches(self, value, item): + """Check if a value matches a given accept item.""" + return item == "*" or item.lower() == value.lower() + + def __getitem__(self, key): + """Besides index lookup (getting item n) you can also pass it a string + to get the quality for the item. If the item is not in the list, the + returned quality is ``0``. + """ + if isinstance(key, str): + return self.quality(key) + return list.__getitem__(self, key) + + def quality(self, key): + """Returns the quality of the key. + + .. versionadded:: 0.6 + In previous versions you had to use the item-lookup syntax + (eg: ``obj[key]`` instead of ``obj.quality(key)``) + """ + for item, quality in self: + if self._value_matches(key, item): + return quality + return 0 + + def __contains__(self, value): + for item, _quality in self: + if self._value_matches(value, item): + return True + return False + + def __repr__(self): + pairs_str = ", ".join(f"({x!r}, {y})" for x, y in self) + return f"{type(self).__name__}([{pairs_str}])" + + def index(self, key): + """Get the position of an entry or raise :exc:`ValueError`. + + :param key: The key to be looked up. + + .. versionchanged:: 0.5 + This used to raise :exc:`IndexError`, which was inconsistent + with the list API. + """ + if isinstance(key, str): + for idx, (item, _quality) in enumerate(self): + if self._value_matches(key, item): + return idx + raise ValueError(key) + return list.index(self, key) + + def find(self, key): + """Get the position of an entry or return -1. + + :param key: The key to be looked up. + """ + try: + return self.index(key) + except ValueError: + return -1 + + def values(self): + """Iterate over all values.""" + for item in self: + yield item[0] + + def to_header(self): + """Convert the header set into an HTTP header string.""" + result = [] + for value, quality in self: + if quality != 1: + value = f"{value};q={quality}" + result.append(value) + return ",".join(result) + + def __str__(self): + return self.to_header() + + def _best_single_match(self, match): + for client_item, quality in self: + if self._value_matches(match, client_item): + # self is sorted by specificity descending, we can exit + return client_item, quality + return None + + def best_match(self, matches, default=None): + """Returns the best match from a list of possible matches based + on the specificity and quality of the client. If two items have the + same quality and specificity, the one is returned that comes first. + + :param matches: a list of matches to check for + :param default: the value that is returned if none match + """ + result = default + best_quality = -1 + best_specificity = (-1,) + for server_item in matches: + match = self._best_single_match(server_item) + if not match: + continue + client_item, quality = match + specificity = self._specificity(client_item) + if quality <= 0 or quality < best_quality: + continue + # better quality or same quality but more specific => better match + if quality > best_quality or specificity > best_specificity: + result = server_item + best_quality = quality + best_specificity = specificity + return result + + @property + def best(self): + """The best match as value.""" + if self: + return self[0][0] + + +_mime_split_re = re.compile(r"/|(?:\s*;\s*)") + + +def _normalize_mime(value): + return _mime_split_re.split(value.lower()) + + +class MIMEAccept(Accept): + """Like :class:`Accept` but with special methods and behavior for + mimetypes. + """ + + def _specificity(self, value): + return tuple(x != "*" for x in _mime_split_re.split(value)) + + def _value_matches(self, value, item): + # item comes from the client, can't match if it's invalid. + if "/" not in item: + return False + + # value comes from the application, tell the developer when it + # doesn't look valid. + if "/" not in value: + raise ValueError(f"invalid mimetype {value!r}") + + # Split the match value into type, subtype, and a sorted list of parameters. + normalized_value = _normalize_mime(value) + value_type, value_subtype = normalized_value[:2] + value_params = sorted(normalized_value[2:]) + + # "*/*" is the only valid value that can start with "*". + if value_type == "*" and value_subtype != "*": + raise ValueError(f"invalid mimetype {value!r}") + + # Split the accept item into type, subtype, and parameters. + normalized_item = _normalize_mime(item) + item_type, item_subtype = normalized_item[:2] + item_params = sorted(normalized_item[2:]) + + # "*/not-*" from the client is invalid, can't match. + if item_type == "*" and item_subtype != "*": + return False + + return ( + (item_type == "*" and item_subtype == "*") + or (value_type == "*" and value_subtype == "*") + ) or ( + item_type == value_type + and ( + item_subtype == "*" + or value_subtype == "*" + or (item_subtype == value_subtype and item_params == value_params) + ) + ) + + @property + def accept_html(self): + """True if this object accepts HTML.""" + return ( + "text/html" in self or "application/xhtml+xml" in self or self.accept_xhtml + ) + + @property + def accept_xhtml(self): + """True if this object accepts XHTML.""" + return "application/xhtml+xml" in self or "application/xml" in self + + @property + def accept_json(self): + """True if this object accepts JSON.""" + return "application/json" in self + + +_locale_delim_re = re.compile(r"[_-]") + + +def _normalize_lang(value): + """Process a language tag for matching.""" + return _locale_delim_re.split(value.lower()) + + +class LanguageAccept(Accept): + """Like :class:`Accept` but with normalization for language tags.""" + + def _value_matches(self, value, item): + return item == "*" or _normalize_lang(value) == _normalize_lang(item) + + def best_match(self, matches, default=None): + """Given a list of supported values, finds the best match from + the list of accepted values. + + Language tags are normalized for the purpose of matching, but + are returned unchanged. + + If no exact match is found, this will fall back to matching + the first subtag (primary language only), first with the + accepted values then with the match values. This partial is not + applied to any other language subtags. + + The default is returned if no exact or fallback match is found. + + :param matches: A list of supported languages to find a match. + :param default: The value that is returned if none match. + """ + # Look for an exact match first. If a client accepts "en-US", + # "en-US" is a valid match at this point. + result = super().best_match(matches) + + if result is not None: + return result + + # Fall back to accepting primary tags. If a client accepts + # "en-US", "en" is a valid match at this point. Need to use + # re.split to account for 2 or 3 letter codes. + fallback = Accept( + [(_locale_delim_re.split(item[0], 1)[0], item[1]) for item in self] + ) + result = fallback.best_match(matches) + + if result is not None: + return result + + # Fall back to matching primary tags. If the client accepts + # "en", "en-US" is a valid match at this point. + fallback_matches = [_locale_delim_re.split(item, 1)[0] for item in matches] + result = super().best_match(fallback_matches) + + # Return a value from the original match list. Find the first + # original value that starts with the matched primary tag. + if result is not None: + return next(item for item in matches if item.startswith(result)) + + return default + + +class CharsetAccept(Accept): + """Like :class:`Accept` but with normalization for charsets.""" + + def _value_matches(self, value, item): + def _normalize(name): + try: + return codecs.lookup(name).name + except LookupError: + return name.lower() + + return item == "*" or _normalize(value) == _normalize(item) + + +def cache_control_property(key, empty, type): + """Return a new property object for a cache header. Useful if you + want to add support for a cache extension in a subclass. + + .. versionchanged:: 2.0 + Renamed from ``cache_property``. + """ + return property( + lambda x: x._get_cache_value(key, empty, type), + lambda x, v: x._set_cache_value(key, v, type), + lambda x: x._del_cache_value(key), + f"accessor for {key!r}", + ) + + +def cache_property(key, empty, type): + warnings.warn( + "'cache_property' is renamed to 'cache_control_property'. The" + " old name is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return cache_control_property(key, empty, type) + + +class _CacheControl(UpdateDictMixin, dict): + """Subclass of a dict that stores values for a Cache-Control header. It + has accessors for all the cache-control directives specified in RFC 2616. + The class does not differentiate between request and response directives. + + Because the cache-control directives in the HTTP header use dashes the + python descriptors use underscores for that. + + To get a header of the :class:`CacheControl` object again you can convert + the object into a string or call the :meth:`to_header` method. If you plan + to subclass it and add your own items have a look at the sourcecode for + that class. + + .. versionchanged:: 0.4 + + Setting `no_cache` or `private` to boolean `True` will set the implicit + none-value which is ``*``: + + >>> cc = ResponseCacheControl() + >>> cc.no_cache = True + >>> cc + + >>> cc.no_cache + '*' + >>> cc.no_cache = None + >>> cc + + + In versions before 0.5 the behavior documented here affected the now + no longer existing `CacheControl` class. + """ + + no_cache = cache_control_property("no-cache", "*", None) + no_store = cache_control_property("no-store", None, bool) + max_age = cache_control_property("max-age", -1, int) + no_transform = cache_control_property("no-transform", None, None) + + def __init__(self, values=(), on_update=None): + dict.__init__(self, values or ()) + self.on_update = on_update + self.provided = values is not None + + def _get_cache_value(self, key, empty, type): + """Used internally by the accessor properties.""" + if type is bool: + return key in self + if key in self: + value = self[key] + if value is None: + return empty + elif type is not None: + try: + value = type(value) + except ValueError: + pass + return value + return None + + def _set_cache_value(self, key, value, type): + """Used internally by the accessor properties.""" + if type is bool: + if value: + self[key] = None + else: + self.pop(key, None) + else: + if value is None: + self.pop(key, None) + elif value is True: + self[key] = None + else: + self[key] = value + + def _del_cache_value(self, key): + """Used internally by the accessor properties.""" + if key in self: + del self[key] + + def to_header(self): + """Convert the stored values into a cache control header.""" + return http.dump_header(self) + + def __str__(self): + return self.to_header() + + def __repr__(self): + kv_str = " ".join(f"{k}={v!r}" for k, v in sorted(self.items())) + return f"<{type(self).__name__} {kv_str}>" + + cache_property = staticmethod(cache_control_property) + + +class RequestCacheControl(ImmutableDictMixin, _CacheControl): + """A cache control for requests. This is immutable and gives access + to all the request-relevant cache control headers. + + To get a header of the :class:`RequestCacheControl` object again you can + convert the object into a string or call the :meth:`to_header` method. If + you plan to subclass it and add your own items have a look at the sourcecode + for that class. + + .. versionadded:: 0.5 + In previous versions a `CacheControl` class existed that was used + both for request and response. + """ + + max_stale = cache_control_property("max-stale", "*", int) + min_fresh = cache_control_property("min-fresh", "*", int) + only_if_cached = cache_control_property("only-if-cached", None, bool) + + +class ResponseCacheControl(_CacheControl): + """A cache control for responses. Unlike :class:`RequestCacheControl` + this is mutable and gives access to response-relevant cache control + headers. + + To get a header of the :class:`ResponseCacheControl` object again you can + convert the object into a string or call the :meth:`to_header` method. If + you plan to subclass it and add your own items have a look at the sourcecode + for that class. + + .. versionadded:: 0.5 + In previous versions a `CacheControl` class existed that was used + both for request and response. + """ + + public = cache_control_property("public", None, bool) + private = cache_control_property("private", "*", None) + must_revalidate = cache_control_property("must-revalidate", None, bool) + proxy_revalidate = cache_control_property("proxy-revalidate", None, bool) + s_maxage = cache_control_property("s-maxage", None, None) + immutable = cache_control_property("immutable", None, bool) + + +def csp_property(key): + """Return a new property object for a content security policy header. + Useful if you want to add support for a csp extension in a + subclass. + """ + return property( + lambda x: x._get_value(key), + lambda x, v: x._set_value(key, v), + lambda x: x._del_value(key), + f"accessor for {key!r}", + ) + + +class ContentSecurityPolicy(UpdateDictMixin, dict): + """Subclass of a dict that stores values for a Content Security Policy + header. It has accessors for all the level 3 policies. + + Because the csp directives in the HTTP header use dashes the + python descriptors use underscores for that. + + To get a header of the :class:`ContentSecuirtyPolicy` object again + you can convert the object into a string or call the + :meth:`to_header` method. If you plan to subclass it and add your + own items have a look at the sourcecode for that class. + + .. versionadded:: 1.0.0 + Support for Content Security Policy headers was added. + + """ + + base_uri = csp_property("base-uri") + child_src = csp_property("child-src") + connect_src = csp_property("connect-src") + default_src = csp_property("default-src") + font_src = csp_property("font-src") + form_action = csp_property("form-action") + frame_ancestors = csp_property("frame-ancestors") + frame_src = csp_property("frame-src") + img_src = csp_property("img-src") + manifest_src = csp_property("manifest-src") + media_src = csp_property("media-src") + navigate_to = csp_property("navigate-to") + object_src = csp_property("object-src") + prefetch_src = csp_property("prefetch-src") + plugin_types = csp_property("plugin-types") + report_to = csp_property("report-to") + report_uri = csp_property("report-uri") + sandbox = csp_property("sandbox") + script_src = csp_property("script-src") + script_src_attr = csp_property("script-src-attr") + script_src_elem = csp_property("script-src-elem") + style_src = csp_property("style-src") + style_src_attr = csp_property("style-src-attr") + style_src_elem = csp_property("style-src-elem") + worker_src = csp_property("worker-src") + + def __init__(self, values=(), on_update=None): + dict.__init__(self, values or ()) + self.on_update = on_update + self.provided = values is not None + + def _get_value(self, key): + """Used internally by the accessor properties.""" + return self.get(key) + + def _set_value(self, key, value): + """Used internally by the accessor properties.""" + if value is None: + self.pop(key, None) + else: + self[key] = value + + def _del_value(self, key): + """Used internally by the accessor properties.""" + if key in self: + del self[key] + + def to_header(self): + """Convert the stored values into a cache control header.""" + return http.dump_csp_header(self) + + def __str__(self): + return self.to_header() + + def __repr__(self): + kv_str = " ".join(f"{k}={v!r}" for k, v in sorted(self.items())) + return f"<{type(self).__name__} {kv_str}>" + + +class CallbackDict(UpdateDictMixin, dict): + """A dict that calls a function passed every time something is changed. + The function is passed the dict instance. + """ + + def __init__(self, initial=None, on_update=None): + dict.__init__(self, initial or ()) + self.on_update = on_update + + def __repr__(self): + return f"<{type(self).__name__} {dict.__repr__(self)}>" + + +class HeaderSet(MutableSet): + """Similar to the :class:`ETags` class this implements a set-like structure. + Unlike :class:`ETags` this is case insensitive and used for vary, allow, and + content-language headers. + + If not constructed using the :func:`parse_set_header` function the + instantiation works like this: + + >>> hs = HeaderSet(['foo', 'bar', 'baz']) + >>> hs + HeaderSet(['foo', 'bar', 'baz']) + """ + + def __init__(self, headers=None, on_update=None): + self._headers = list(headers or ()) + self._set = {x.lower() for x in self._headers} + self.on_update = on_update + + def add(self, header): + """Add a new header to the set.""" + self.update((header,)) + + def remove(self, header): + """Remove a header from the set. This raises an :exc:`KeyError` if the + header is not in the set. + + .. versionchanged:: 0.5 + In older versions a :exc:`IndexError` was raised instead of a + :exc:`KeyError` if the object was missing. + + :param header: the header to be removed. + """ + key = header.lower() + if key not in self._set: + raise KeyError(header) + self._set.remove(key) + for idx, key in enumerate(self._headers): + if key.lower() == header: + del self._headers[idx] + break + if self.on_update is not None: + self.on_update(self) + + def update(self, iterable): + """Add all the headers from the iterable to the set. + + :param iterable: updates the set with the items from the iterable. + """ + inserted_any = False + for header in iterable: + key = header.lower() + if key not in self._set: + self._headers.append(header) + self._set.add(key) + inserted_any = True + if inserted_any and self.on_update is not None: + self.on_update(self) + + def discard(self, header): + """Like :meth:`remove` but ignores errors. + + :param header: the header to be discarded. + """ + try: + self.remove(header) + except KeyError: + pass + + def find(self, header): + """Return the index of the header in the set or return -1 if not found. + + :param header: the header to be looked up. + """ + header = header.lower() + for idx, item in enumerate(self._headers): + if item.lower() == header: + return idx + return -1 + + def index(self, header): + """Return the index of the header in the set or raise an + :exc:`IndexError`. + + :param header: the header to be looked up. + """ + rv = self.find(header) + if rv < 0: + raise IndexError(header) + return rv + + def clear(self): + """Clear the set.""" + self._set.clear() + del self._headers[:] + if self.on_update is not None: + self.on_update(self) + + def as_set(self, preserve_casing=False): + """Return the set as real python set type. When calling this, all + the items are converted to lowercase and the ordering is lost. + + :param preserve_casing: if set to `True` the items in the set returned + will have the original case like in the + :class:`HeaderSet`, otherwise they will + be lowercase. + """ + if preserve_casing: + return set(self._headers) + return set(self._set) + + def to_header(self): + """Convert the header set into an HTTP header string.""" + return ", ".join(map(http.quote_header_value, self._headers)) + + def __getitem__(self, idx): + return self._headers[idx] + + def __delitem__(self, idx): + rv = self._headers.pop(idx) + self._set.remove(rv.lower()) + if self.on_update is not None: + self.on_update(self) + + def __setitem__(self, idx, value): + old = self._headers[idx] + self._set.remove(old.lower()) + self._headers[idx] = value + self._set.add(value.lower()) + if self.on_update is not None: + self.on_update(self) + + def __contains__(self, header): + return header.lower() in self._set + + def __len__(self): + return len(self._set) + + def __iter__(self): + return iter(self._headers) + + def __bool__(self): + return bool(self._set) + + def __str__(self): + return self.to_header() + + def __repr__(self): + return f"{type(self).__name__}({self._headers!r})" + + +class ETags(Collection): + """A set that can be used to check if one etag is present in a collection + of etags. + """ + + def __init__(self, strong_etags=None, weak_etags=None, star_tag=False): + if not star_tag and strong_etags: + self._strong = frozenset(strong_etags) + else: + self._strong = frozenset() + + self._weak = frozenset(weak_etags or ()) + self.star_tag = star_tag + + def as_set(self, include_weak=False): + """Convert the `ETags` object into a python set. Per default all the + weak etags are not part of this set.""" + rv = set(self._strong) + if include_weak: + rv.update(self._weak) + return rv + + def is_weak(self, etag): + """Check if an etag is weak.""" + return etag in self._weak + + def is_strong(self, etag): + """Check if an etag is strong.""" + return etag in self._strong + + def contains_weak(self, etag): + """Check if an etag is part of the set including weak and strong tags.""" + return self.is_weak(etag) or self.contains(etag) + + def contains(self, etag): + """Check if an etag is part of the set ignoring weak tags. + It is also possible to use the ``in`` operator. + """ + if self.star_tag: + return True + return self.is_strong(etag) + + def contains_raw(self, etag): + """When passed a quoted tag it will check if this tag is part of the + set. If the tag is weak it is checked against weak and strong tags, + otherwise strong only.""" + etag, weak = http.unquote_etag(etag) + if weak: + return self.contains_weak(etag) + return self.contains(etag) + + def to_header(self): + """Convert the etags set into a HTTP header string.""" + if self.star_tag: + return "*" + return ", ".join( + [f'"{x}"' for x in self._strong] + [f'W/"{x}"' for x in self._weak] + ) + + def __call__(self, etag=None, data=None, include_weak=False): + if [etag, data].count(None) != 1: + raise TypeError("either tag or data required, but at least one") + if etag is None: + etag = http.generate_etag(data) + if include_weak: + if etag in self._weak: + return True + return etag in self._strong + + def __bool__(self): + return bool(self.star_tag or self._strong or self._weak) + + def __str__(self): + return self.to_header() + + def __len__(self): + return len(self._strong) + + def __iter__(self): + return iter(self._strong) + + def __contains__(self, etag): + return self.contains(etag) + + def __repr__(self): + return f"<{type(self).__name__} {str(self)!r}>" + + +class IfRange: + """Very simple object that represents the `If-Range` header in parsed + form. It will either have neither a etag or date or one of either but + never both. + + .. versionadded:: 0.7 + """ + + def __init__(self, etag=None, date=None): + #: The etag parsed and unquoted. Ranges always operate on strong + #: etags so the weakness information is not necessary. + self.etag = etag + #: The date in parsed format or `None`. + self.date = date + + def to_header(self): + """Converts the object back into an HTTP header.""" + if self.date is not None: + return http.http_date(self.date) + if self.etag is not None: + return http.quote_etag(self.etag) + return "" + + def __str__(self): + return self.to_header() + + def __repr__(self): + return f"<{type(self).__name__} {str(self)!r}>" + + +class Range: + """Represents a ``Range`` header. All methods only support only + bytes as the unit. Stores a list of ranges if given, but the methods + only work if only one range is provided. + + :raise ValueError: If the ranges provided are invalid. + + .. versionchanged:: 0.15 + The ranges passed in are validated. + + .. versionadded:: 0.7 + """ + + def __init__(self, units, ranges): + #: The units of this range. Usually "bytes". + self.units = units + #: A list of ``(begin, end)`` tuples for the range header provided. + #: The ranges are non-inclusive. + self.ranges = ranges + + for start, end in ranges: + if start is None or (end is not None and (start < 0 or start >= end)): + raise ValueError(f"{(start, end)} is not a valid range.") + + def range_for_length(self, length): + """If the range is for bytes, the length is not None and there is + exactly one range and it is satisfiable it returns a ``(start, stop)`` + tuple, otherwise `None`. + """ + if self.units != "bytes" or length is None or len(self.ranges) != 1: + return None + start, end = self.ranges[0] + if end is None: + end = length + if start < 0: + start += length + if http.is_byte_range_valid(start, end, length): + return start, min(end, length) + return None + + def make_content_range(self, length): + """Creates a :class:`~werkzeug.datastructures.ContentRange` object + from the current range and given content length. + """ + rng = self.range_for_length(length) + if rng is not None: + return ContentRange(self.units, rng[0], rng[1], length) + return None + + def to_header(self): + """Converts the object back into an HTTP header.""" + ranges = [] + for begin, end in self.ranges: + if end is None: + ranges.append(f"{begin}-" if begin >= 0 else str(begin)) + else: + ranges.append(f"{begin}-{end - 1}") + return f"{self.units}={','.join(ranges)}" + + def to_content_range_header(self, length): + """Converts the object into `Content-Range` HTTP header, + based on given length + """ + range = self.range_for_length(length) + if range is not None: + return f"{self.units} {range[0]}-{range[1] - 1}/{length}" + return None + + def __str__(self): + return self.to_header() + + def __repr__(self): + return f"<{type(self).__name__} {str(self)!r}>" + + +def _callback_property(name): + def fget(self): + return getattr(self, name) + + def fset(self, value): + setattr(self, name, value) + if self.on_update is not None: + self.on_update(self) + + return property(fget, fset) + + +class ContentRange: + """Represents the content range header. + + .. versionadded:: 0.7 + """ + + def __init__(self, units, start, stop, length=None, on_update=None): + assert http.is_byte_range_valid(start, stop, length), "Bad range provided" + self.on_update = on_update + self.set(start, stop, length, units) + + #: The units to use, usually "bytes" + units = _callback_property("_units") + #: The start point of the range or `None`. + start = _callback_property("_start") + #: The stop point of the range (non-inclusive) or `None`. Can only be + #: `None` if also start is `None`. + stop = _callback_property("_stop") + #: The length of the range or `None`. + length = _callback_property("_length") + + def set(self, start, stop, length=None, units="bytes"): + """Simple method to update the ranges.""" + assert http.is_byte_range_valid(start, stop, length), "Bad range provided" + self._units = units + self._start = start + self._stop = stop + self._length = length + if self.on_update is not None: + self.on_update(self) + + def unset(self): + """Sets the units to `None` which indicates that the header should + no longer be used. + """ + self.set(None, None, units=None) + + def to_header(self): + if self.units is None: + return "" + if self.length is None: + length = "*" + else: + length = self.length + if self.start is None: + return f"{self.units} */{length}" + return f"{self.units} {self.start}-{self.stop - 1}/{length}" + + def __bool__(self): + return self.units is not None + + def __str__(self): + return self.to_header() + + def __repr__(self): + return f"<{type(self).__name__} {str(self)!r}>" + + +class Authorization(ImmutableDictMixin, dict): + """Represents an ``Authorization`` header sent by the client. + + This is returned by + :func:`~werkzeug.http.parse_authorization_header`. It can be useful + to create the object manually to pass to the test + :class:`~werkzeug.test.Client`. + + .. versionchanged:: 0.5 + This object became immutable. + """ + + def __init__(self, auth_type, data=None): + dict.__init__(self, data or {}) + self.type = auth_type + + @property + def username(self): + """The username transmitted. This is set for both basic and digest + auth all the time. + """ + return self.get("username") + + @property + def password(self): + """When the authentication type is basic this is the password + transmitted by the client, else `None`. + """ + return self.get("password") + + @property + def realm(self): + """This is the server realm sent back for HTTP digest auth.""" + return self.get("realm") + + @property + def nonce(self): + """The nonce the server sent for digest auth, sent back by the client. + A nonce should be unique for every 401 response for HTTP digest auth. + """ + return self.get("nonce") + + @property + def uri(self): + """The URI from Request-URI of the Request-Line; duplicated because + proxies are allowed to change the Request-Line in transit. HTTP + digest auth only. + """ + return self.get("uri") + + @property + def nc(self): + """The nonce count value transmitted by clients if a qop-header is + also transmitted. HTTP digest auth only. + """ + return self.get("nc") + + @property + def cnonce(self): + """If the server sent a qop-header in the ``WWW-Authenticate`` + header, the client has to provide this value for HTTP digest auth. + See the RFC for more details. + """ + return self.get("cnonce") + + @property + def response(self): + """A string of 32 hex digits computed as defined in RFC 2617, which + proves that the user knows a password. Digest auth only. + """ + return self.get("response") + + @property + def opaque(self): + """The opaque header from the server returned unchanged by the client. + It is recommended that this string be base64 or hexadecimal data. + Digest auth only. + """ + return self.get("opaque") + + @property + def qop(self): + """Indicates what "quality of protection" the client has applied to + the message for HTTP digest auth. Note that this is a single token, + not a quoted list of alternatives as in WWW-Authenticate. + """ + return self.get("qop") + + def to_header(self): + """Convert to a string value for an ``Authorization`` header. + + .. versionadded:: 2.0 + Added to support passing authorization to the test client. + """ + if self.type == "basic": + value = base64.b64encode( + f"{self.username}:{self.password}".encode("utf8") + ).decode("utf8") + return f"Basic {value}" + + if self.type == "digest": + return f"Digest {http.dump_header(self)}" + + raise ValueError(f"Unsupported type {self.type!r}.") + + +def auth_property(name, doc=None): + """A static helper function for Authentication subclasses to add + extra authentication system properties onto a class:: + + class FooAuthenticate(WWWAuthenticate): + special_realm = auth_property('special_realm') + + For more information have a look at the sourcecode to see how the + regular properties (:attr:`realm` etc.) are implemented. + """ + + def _set_value(self, value): + if value is None: + self.pop(name, None) + else: + self[name] = str(value) + + return property(lambda x: x.get(name), _set_value, doc=doc) + + +def _set_property(name, doc=None): + def fget(self): + def on_update(header_set): + if not header_set and name in self: + del self[name] + elif header_set: + self[name] = header_set.to_header() + + return http.parse_set_header(self.get(name), on_update) + + return property(fget, doc=doc) + + +class WWWAuthenticate(UpdateDictMixin, dict): + """Provides simple access to `WWW-Authenticate` headers.""" + + #: list of keys that require quoting in the generated header + _require_quoting = frozenset(["domain", "nonce", "opaque", "realm", "qop"]) + + def __init__(self, auth_type=None, values=None, on_update=None): + dict.__init__(self, values or ()) + if auth_type: + self["__auth_type__"] = auth_type + self.on_update = on_update + + def set_basic(self, realm="authentication required"): + """Clear the auth info and enable basic auth.""" + dict.clear(self) + dict.update(self, {"__auth_type__": "basic", "realm": realm}) + if self.on_update: + self.on_update(self) + + def set_digest( + self, realm, nonce, qop=("auth",), opaque=None, algorithm=None, stale=False + ): + """Clear the auth info and enable digest auth.""" + d = { + "__auth_type__": "digest", + "realm": realm, + "nonce": nonce, + "qop": http.dump_header(qop), + } + if stale: + d["stale"] = "TRUE" + if opaque is not None: + d["opaque"] = opaque + if algorithm is not None: + d["algorithm"] = algorithm + dict.clear(self) + dict.update(self, d) + if self.on_update: + self.on_update(self) + + def to_header(self): + """Convert the stored values into a WWW-Authenticate header.""" + d = dict(self) + auth_type = d.pop("__auth_type__", None) or "basic" + kv_items = ( + (k, http.quote_header_value(v, allow_token=k not in self._require_quoting)) + for k, v in d.items() + ) + kv_string = ", ".join([f"{k}={v}" for k, v in kv_items]) + return f"{auth_type.title()} {kv_string}" + + def __str__(self): + return self.to_header() + + def __repr__(self): + return f"<{type(self).__name__} {self.to_header()!r}>" + + type = auth_property( + "__auth_type__", + doc="""The type of the auth mechanism. HTTP currently specifies + ``Basic`` and ``Digest``.""", + ) + realm = auth_property( + "realm", + doc="""A string to be displayed to users so they know which + username and password to use. This string should contain at + least the name of the host performing the authentication and + might additionally indicate the collection of users who might + have access.""", + ) + domain = _set_property( + "domain", + doc="""A list of URIs that define the protection space. If a URI + is an absolute path, it is relative to the canonical root URL of + the server being accessed.""", + ) + nonce = auth_property( + "nonce", + doc=""" + A server-specified data string which should be uniquely generated + each time a 401 response is made. It is recommended that this + string be base64 or hexadecimal data.""", + ) + opaque = auth_property( + "opaque", + doc="""A string of data, specified by the server, which should + be returned by the client unchanged in the Authorization header + of subsequent requests with URIs in the same protection space. + It is recommended that this string be base64 or hexadecimal + data.""", + ) + algorithm = auth_property( + "algorithm", + doc="""A string indicating a pair of algorithms used to produce + the digest and a checksum. If this is not present it is assumed + to be "MD5". If the algorithm is not understood, the challenge + should be ignored (and a different one used, if there is more + than one).""", + ) + qop = _set_property( + "qop", + doc="""A set of quality-of-privacy directives such as auth and + auth-int.""", + ) + + @property + def stale(self): + """A flag, indicating that the previous request from the client + was rejected because the nonce value was stale. + """ + val = self.get("stale") + if val is not None: + return val.lower() == "true" + + @stale.setter + def stale(self, value): + if value is None: + self.pop("stale", None) + else: + self["stale"] = "TRUE" if value else "FALSE" + + auth_property = staticmethod(auth_property) + + +class FileStorage: + """The :class:`FileStorage` class is a thin wrapper over incoming files. + It is used by the request object to represent uploaded files. All the + attributes of the wrapper stream are proxied by the file storage so + it's possible to do ``storage.read()`` instead of the long form + ``storage.stream.read()``. + """ + + def __init__( + self, + stream=None, + filename=None, + name=None, + content_type=None, + content_length=None, + headers=None, + ): + self.name = name + self.stream = stream or BytesIO() + + # if no filename is provided we can attempt to get the filename + # from the stream object passed. There we have to be careful to + # skip things like , etc. Python marks these + # special filenames with angular brackets. + if filename is None: + filename = getattr(stream, "name", None) + s = _make_encode_wrapper(filename) + if filename and filename[0] == s("<") and filename[-1] == s(">"): + filename = None + + # Make sure the filename is not bytes. This might happen if + # the file was opened from the bytes API. + if isinstance(filename, bytes): + filename = filename.decode(get_filesystem_encoding(), "replace") + + self.filename = filename + if headers is None: + headers = Headers() + self.headers = headers + if content_type is not None: + headers["Content-Type"] = content_type + if content_length is not None: + headers["Content-Length"] = str(content_length) + + def _parse_content_type(self): + if not hasattr(self, "_parsed_content_type"): + self._parsed_content_type = http.parse_options_header(self.content_type) + + @property + def content_type(self): + """The content-type sent in the header. Usually not available""" + return self.headers.get("content-type") + + @property + def content_length(self): + """The content-length sent in the header. Usually not available""" + return int(self.headers.get("content-length") or 0) + + @property + def mimetype(self): + """Like :attr:`content_type`, but without parameters (eg, without + charset, type etc.) and always lowercase. For example if the content + type is ``text/HTML; charset=utf-8`` the mimetype would be + ``'text/html'``. + + .. versionadded:: 0.7 + """ + self._parse_content_type() + return self._parsed_content_type[0].lower() + + @property + def mimetype_params(self): + """The mimetype parameters as dict. For example if the content + type is ``text/html; charset=utf-8`` the params would be + ``{'charset': 'utf-8'}``. + + .. versionadded:: 0.7 + """ + self._parse_content_type() + return self._parsed_content_type[1] + + def save(self, dst, buffer_size=16384): + """Save the file to a destination path or file object. If the + destination is a file object you have to close it yourself after the + call. The buffer size is the number of bytes held in memory during + the copy process. It defaults to 16KB. + + For secure file saving also have a look at :func:`secure_filename`. + + :param dst: a filename, :class:`os.PathLike`, or open file + object to write to. + :param buffer_size: Passed as the ``length`` parameter of + :func:`shutil.copyfileobj`. + + .. versionchanged:: 1.0 + Supports :mod:`pathlib`. + """ + from shutil import copyfileobj + + close_dst = False + + if hasattr(dst, "__fspath__"): + dst = fspath(dst) + + if isinstance(dst, str): + dst = open(dst, "wb") + close_dst = True + + try: + copyfileobj(self.stream, dst, buffer_size) + finally: + if close_dst: + dst.close() + + def close(self): + """Close the underlying file if possible.""" + try: + self.stream.close() + except Exception: + pass + + def __bool__(self): + return bool(self.filename) + + def __getattr__(self, name): + try: + return getattr(self.stream, name) + except AttributeError: + # SpooledTemporaryFile doesn't implement IOBase, get the + # attribute from its backing file instead. + # https://github.com/python/cpython/pull/3249 + if hasattr(self.stream, "_file"): + return getattr(self.stream._file, name) + raise + + def __iter__(self): + return iter(self.stream) + + def __repr__(self): + return f"<{type(self).__name__}: {self.filename!r} ({self.content_type!r})>" + + +# circular dependencies +from . import http diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.pyi b/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.pyi new file mode 100644 index 0000000..b61540e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/datastructures.pyi @@ -0,0 +1,906 @@ +from datetime import datetime +from os import PathLike +from typing import Any +from typing import BinaryIO +from typing import Callable +from typing import Collection +from typing import Dict +from typing import FrozenSet +from typing import Generic +from typing import Hashable +from typing import Iterable +from typing import Iterator +from typing import List +from typing import Mapping +from typing import NoReturn +from typing import Optional +from typing import overload +from typing import Set +from typing import Tuple +from typing import Type +from typing import TypeVar +from typing import Union +from _typeshed.wsgi import WSGIEnvironment + +from typing_extensions import Literal + +K = TypeVar("K") +V = TypeVar("V") +T = TypeVar("T") + +def is_immutable(self: object) -> NoReturn: ... +def iter_multi_items( + mapping: Union[Mapping[K, Union[V, Iterable[V]]], Iterable[Tuple[K, V]]] +) -> Iterator[Tuple[K, V]]: ... + +class ImmutableListMixin(List[V]): + _hash_cache: Optional[int] + def __hash__(self) -> int: ... # type: ignore + def __delitem__(self, key: Union[int, slice]) -> NoReturn: ... + def __iadd__(self, other: t.Any) -> NoReturn: ... # type: ignore + def __imul__(self, other: int) -> NoReturn: ... + def __setitem__( # type: ignore + self, key: Union[int, slice], value: V + ) -> NoReturn: ... + def append(self, value: V) -> NoReturn: ... + def remove(self, value: V) -> NoReturn: ... + def extend(self, values: Iterable[V]) -> NoReturn: ... + def insert(self, pos: int, value: V) -> NoReturn: ... + def pop(self, index: int = -1) -> NoReturn: ... + def reverse(self) -> NoReturn: ... + def sort( + self, key: Optional[Callable[[V], Any]] = None, reverse: bool = False + ) -> NoReturn: ... + +class ImmutableList(ImmutableListMixin[V]): ... + +class ImmutableDictMixin(Dict[K, V]): + _hash_cache: Optional[int] + @classmethod + def fromkeys( # type: ignore + cls, keys: Iterable[K], value: Optional[V] = None + ) -> ImmutableDictMixin[K, V]: ... + def _iter_hashitems(self) -> Iterable[Hashable]: ... + def __hash__(self) -> int: ... # type: ignore + def setdefault(self, key: K, default: Optional[V] = None) -> NoReturn: ... + def update(self, *args: Any, **kwargs: V) -> NoReturn: ... + def pop(self, key: K, default: Optional[V] = None) -> NoReturn: ... # type: ignore + def popitem(self) -> NoReturn: ... + def __setitem__(self, key: K, value: V) -> NoReturn: ... + def __delitem__(self, key: K) -> NoReturn: ... + def clear(self) -> NoReturn: ... + +class ImmutableMultiDictMixin(ImmutableDictMixin[K, V]): + def _iter_hashitems(self) -> Iterable[Hashable]: ... + def add(self, key: K, value: V) -> NoReturn: ... + def popitemlist(self) -> NoReturn: ... + def poplist(self, key: K) -> NoReturn: ... + def setlist(self, key: K, new_list: Iterable[V]) -> NoReturn: ... + def setlistdefault( + self, key: K, default_list: Optional[Iterable[V]] = None + ) -> NoReturn: ... + +def _calls_update(name: str) -> Callable[[UpdateDictMixin[K, V]], Any]: ... + +class UpdateDictMixin(Dict[K, V]): + on_update: Optional[Callable[[UpdateDictMixin[K, V]], None]] + def setdefault(self, key: K, default: Optional[V] = None) -> V: ... + @overload + def pop(self, key: K) -> V: ... + @overload + def pop(self, key: K, default: Union[V, T] = ...) -> Union[V, T]: ... + def __setitem__(self, key: K, value: V) -> None: ... + def __delitem__(self, key: K) -> None: ... + def clear(self) -> None: ... + def popitem(self) -> Tuple[K, V]: ... + def update( + self, *args: Union[Mapping[K, V], Iterable[Tuple[K, V]]], **kwargs: V + ) -> None: ... + +class TypeConversionDict(Dict[K, V]): + @overload # type: ignore + def get(self, key: K) -> Optional[V]: ... + @overload + def get(self, key: K, default: Union[V, T] = ...) -> Union[V, T]: ... + @overload + def get( + self, key: K, default: Optional[T] = None, type: Callable[[V], T] = ... + ) -> Optional[T]: ... + +class ImmutableTypeConversionDict(ImmutableDictMixin[K, V], TypeConversionDict[K, V]): + def copy(self) -> TypeConversionDict[K, V]: ... + def __copy__(self) -> ImmutableTypeConversionDict: ... + +class MultiDict(TypeConversionDict[K, V]): + def __init__( + self, + mapping: Optional[ + Union[Mapping[K, Union[V, Iterable[V]]], Iterable[Tuple[K, V]]] + ] = None, + ) -> None: ... + def __getitem__(self, item: K) -> V: ... + def __setitem__(self, key: K, value: V) -> None: ... + def add(self, key: K, value: V) -> None: ... + @overload + def getlist(self, key: K) -> List[V]: ... + @overload + def getlist(self, key: K, type: Callable[[V], T] = ...) -> List[T]: ... + def setlist(self, key: K, new_list: Iterable[V]) -> None: ... + def setdefault(self, key: K, default: Optional[V] = None) -> V: ... + def setlistdefault( + self, key: K, default_list: Optional[Iterable[V]] = None + ) -> List[V]: ... + def items(self, multi: bool = False) -> Iterator[Tuple[K, V]]: ... # type: ignore + def lists(self) -> Iterator[Tuple[K, List[V]]]: ... + def values(self) -> Iterator[V]: ... # type: ignore + def listvalues(self) -> Iterator[List[V]]: ... + def copy(self) -> MultiDict[K, V]: ... + def deepcopy(self, memo: Any = None) -> MultiDict[K, V]: ... + @overload + def to_dict(self) -> Dict[K, V]: ... + @overload + def to_dict(self, flat: Literal[False]) -> Dict[K, List[V]]: ... + def update( # type: ignore + self, mapping: Union[Mapping[K, V], Iterable[Tuple[K, V]]] + ) -> None: ... + @overload + def pop(self, key: K) -> V: ... + @overload + def pop(self, key: K, default: Union[V, T] = ...) -> Union[V, T]: ... + def popitem(self) -> Tuple[K, V]: ... + def poplist(self, key: K) -> List[V]: ... + def popitemlist(self) -> Tuple[K, List[V]]: ... + def __copy__(self) -> MultiDict[K, V]: ... + def __deepcopy__(self, memo: Any) -> MultiDict[K, V]: ... + +class _omd_bucket(Generic[K, V]): + prev: Optional[_omd_bucket] + next: Optional[_omd_bucket] + key: K + value: V + def __init__(self, omd: OrderedMultiDict, key: K, value: V) -> None: ... + def unlink(self, omd: OrderedMultiDict) -> None: ... + +class OrderedMultiDict(MultiDict[K, V]): + _first_bucket: Optional[_omd_bucket] + _last_bucket: Optional[_omd_bucket] + def __init__(self, mapping: Optional[Mapping[K, V]] = None) -> None: ... + def __eq__(self, other: object) -> bool: ... + def __getitem__(self, key: K) -> V: ... + def __setitem__(self, key: K, value: V) -> None: ... + def __delitem__(self, key: K) -> None: ... + def keys(self) -> Iterator[K]: ... # type: ignore + def __iter__(self) -> Iterator[K]: ... + def values(self) -> Iterator[V]: ... # type: ignore + def items(self, multi: bool = False) -> Iterator[Tuple[K, V]]: ... # type: ignore + def lists(self) -> Iterator[Tuple[K, List[V]]]: ... + def listvalues(self) -> Iterator[List[V]]: ... + def add(self, key: K, value: V) -> None: ... + @overload + def getlist(self, key: K) -> List[V]: ... + @overload + def getlist(self, key: K, type: Callable[[V], T] = ...) -> List[T]: ... + def setlist(self, key: K, new_list: Iterable[V]) -> None: ... + def setlistdefault( + self, key: K, default_list: Optional[Iterable[V]] = None + ) -> List[V]: ... + def update( # type: ignore + self, mapping: Union[Mapping[K, V], Iterable[Tuple[K, V]]] + ) -> None: ... + def poplist(self, key: K) -> List[V]: ... + @overload + def pop(self, key: K) -> V: ... + @overload + def pop(self, key: K, default: Union[V, T] = ...) -> Union[V, T]: ... + def popitem(self) -> Tuple[K, V]: ... + def popitemlist(self) -> Tuple[K, List[V]]: ... + +def _options_header_vkw( + value: str, kw: Mapping[str, Optional[Union[str, int]]] +) -> str: ... +def _unicodify_header_value(value: Union[str, int]) -> str: ... + +HV = Union[str, int] + +class Headers(Dict[str, str]): + _list: List[Tuple[str, str]] + def __init__( + self, + defaults: Optional[ + Union[Mapping[str, Union[HV, Iterable[HV]]], Iterable[Tuple[str, HV]]] + ] = None, + ) -> None: ... + @overload + def __getitem__(self, key: str) -> str: ... + @overload + def __getitem__(self, key: int) -> Tuple[str, str]: ... + @overload + def __getitem__(self, key: slice) -> Headers: ... + @overload + def __getitem__(self, key: str, _get_mode: Literal[True] = ...) -> str: ... + def __eq__(self, other: object) -> bool: ... + @overload # type: ignore + def get(self, key: str, default: str) -> str: ... + @overload + def get(self, key: str, default: Optional[str] = None) -> Optional[str]: ... + @overload + def get( + self, key: str, default: Optional[T] = None, type: Callable[[str], T] = ... + ) -> Optional[T]: ... + @overload + def getlist(self, key: str) -> List[str]: ... + @overload + def getlist(self, key: str, type: Callable[[str], T]) -> List[T]: ... + def get_all(self, name: str) -> List[str]: ... + def items( # type: ignore + self, lower: bool = False + ) -> Iterator[Tuple[str, str]]: ... + def keys(self, lower: bool = False) -> Iterator[str]: ... # type: ignore + def values(self) -> Iterator[str]: ... # type: ignore + def extend( + self, + *args: Union[Mapping[str, Union[HV, Iterable[HV]]], Iterable[Tuple[str, HV]]], + **kwargs: Union[HV, Iterable[HV]], + ) -> None: ... + @overload + def __delitem__(self, key: Union[str, int, slice]) -> None: ... + @overload + def __delitem__(self, key: str, _index_operation: Literal[False]) -> None: ... + def remove(self, key: str) -> None: ... + @overload # type: ignore + def pop(self, key: str, default: Optional[str] = None) -> str: ... + @overload + def pop( + self, key: Optional[int] = None, default: Optional[Tuple[str, str]] = None + ) -> Tuple[str, str]: ... + def popitem(self) -> Tuple[str, str]: ... + def __contains__(self, key: str) -> bool: ... # type: ignore + def has_key(self, key: str) -> bool: ... + def __iter__(self) -> Iterator[Tuple[str, str]]: ... # type: ignore + def add(self, _key: str, _value: HV, **kw: HV) -> None: ... + def _validate_value(self, value: str) -> None: ... + def add_header(self, _key: str, _value: HV, **_kw: HV) -> None: ... + def clear(self) -> None: ... + def set(self, _key: str, _value: HV, **kw: HV) -> None: ... + def setlist(self, key: str, values: Iterable[HV]) -> None: ... + def setdefault(self, key: str, default: HV) -> str: ... # type: ignore + def setlistdefault(self, key: str, default: Iterable[HV]) -> None: ... + @overload + def __setitem__(self, key: str, value: HV) -> None: ... + @overload + def __setitem__(self, key: int, value: Tuple[str, HV]) -> None: ... + @overload + def __setitem__(self, key: slice, value: Iterable[Tuple[str, HV]]) -> None: ... + def update( + self, + *args: Union[Mapping[str, HV], Iterable[Tuple[str, HV]]], + **kwargs: Union[HV, Iterable[HV]], + ) -> None: ... + def to_wsgi_list(self) -> List[Tuple[str, str]]: ... + def copy(self) -> Headers: ... + def __copy__(self) -> Headers: ... + +class ImmutableHeadersMixin(Headers): + def __delitem__(self, key: Any, _index_operation: bool = True) -> NoReturn: ... + def __setitem__(self, key: Any, value: Any) -> NoReturn: ... + def set(self, _key: Any, _value: Any, **kw: Any) -> NoReturn: ... + def setlist(self, key: Any, values: Any) -> NoReturn: ... + def add(self, _key: Any, _value: Any, **kw: Any) -> NoReturn: ... + def add_header(self, _key: Any, _value: Any, **_kw: Any) -> NoReturn: ... + def remove(self, key: Any) -> NoReturn: ... + def extend(self, *args: Any, **kwargs: Any) -> NoReturn: ... + def update(self, *args: Any, **kwargs: Any) -> NoReturn: ... + def insert(self, pos: Any, value: Any) -> NoReturn: ... + def pop(self, key: Any = None, default: Any = ...) -> NoReturn: ... + def popitem(self) -> NoReturn: ... + def setdefault(self, key: Any, default: Any) -> NoReturn: ... # type: ignore + def setlistdefault(self, key: Any, default: Any) -> NoReturn: ... + +class EnvironHeaders(ImmutableHeadersMixin, Headers): + environ: WSGIEnvironment + def __init__(self, environ: WSGIEnvironment) -> None: ... + def __eq__(self, other: object) -> bool: ... + def __getitem__( # type: ignore + self, key: str, _get_mode: Literal[False] = False + ) -> str: ... + def __iter__(self) -> Iterator[Tuple[str, str]]: ... # type: ignore + def copy(self) -> NoReturn: ... + +class CombinedMultiDict(ImmutableMultiDictMixin[K, V], MultiDict[K, V]): # type: ignore + dicts: List[MultiDict[K, V]] + def __init__(self, dicts: Optional[Iterable[MultiDict[K, V]]]) -> None: ... + @classmethod + def fromkeys(cls, keys: Any, value: Any = None) -> NoReturn: ... + def __getitem__(self, key: K) -> V: ... + @overload # type: ignore + def get(self, key: K) -> Optional[V]: ... + @overload + def get(self, key: K, default: Union[V, T] = ...) -> Union[V, T]: ... + @overload + def get( + self, key: K, default: Optional[T] = None, type: Callable[[V], T] = ... + ) -> Optional[T]: ... + @overload + def getlist(self, key: K) -> List[V]: ... + @overload + def getlist(self, key: K, type: Callable[[V], T] = ...) -> List[T]: ... + def _keys_impl(self) -> Set[K]: ... + def keys(self) -> Set[K]: ... # type: ignore + def __iter__(self) -> Set[K]: ... # type: ignore + def items(self, multi: bool = False) -> Iterator[Tuple[K, V]]: ... # type: ignore + def values(self) -> Iterator[V]: ... # type: ignore + def lists(self) -> Iterator[Tuple[K, List[V]]]: ... + def listvalues(self) -> Iterator[List[V]]: ... + def copy(self) -> MultiDict[K, V]: ... + @overload + def to_dict(self) -> Dict[K, V]: ... + @overload + def to_dict(self, flat: Literal[False]) -> Dict[K, List[V]]: ... + def __contains__(self, key: K) -> bool: ... # type: ignore + def has_key(self, key: K) -> bool: ... + +class FileMultiDict(MultiDict[str, "FileStorage"]): + def add_file( + self, + name: str, + file: Union[FileStorage, str, BinaryIO], + filename: Optional[str] = None, + content_type: Optional[str] = None, + ) -> None: ... + +class ImmutableDict(ImmutableDictMixin[K, V], Dict[K, V]): + def copy(self) -> Dict[K, V]: ... + def __copy__(self) -> ImmutableDict[K, V]: ... + +class ImmutableMultiDict( # type: ignore + ImmutableMultiDictMixin[K, V], MultiDict[K, V] +): + def copy(self) -> MultiDict[K, V]: ... + def __copy__(self) -> ImmutableMultiDict[K, V]: ... + +class ImmutableOrderedMultiDict( # type: ignore + ImmutableMultiDictMixin[K, V], OrderedMultiDict[K, V] +): + def _iter_hashitems(self) -> Iterator[Tuple[int, Tuple[K, V]]]: ... + def copy(self) -> OrderedMultiDict[K, V]: ... + def __copy__(self) -> ImmutableOrderedMultiDict[K, V]: ... + +class Accept(ImmutableList[Tuple[str, int]]): + provided: bool + def __init__( + self, values: Optional[Union[Accept, Iterable[Tuple[str, float]]]] = None + ) -> None: ... + def _specificity(self, value: str) -> Tuple[bool, ...]: ... + def _value_matches(self, value: str, item: str) -> bool: ... + @overload # type: ignore + def __getitem__(self, key: str) -> int: ... + @overload + def __getitem__(self, key: int) -> Tuple[str, int]: ... + @overload + def __getitem__(self, key: slice) -> Iterable[Tuple[str, int]]: ... + def quality(self, key: str) -> int: ... + def __contains__(self, value: str) -> bool: ... # type: ignore + def index(self, key: str) -> int: ... # type: ignore + def find(self, key: str) -> int: ... + def values(self) -> Iterator[str]: ... + def to_header(self) -> str: ... + def _best_single_match(self, match: str) -> Optional[Tuple[str, int]]: ... + def best_match( + self, matches: Iterable[str], default: Optional[str] = None + ) -> Optional[str]: ... + @property + def best(self) -> str: ... + +def _normalize_mime(value: str) -> List[str]: ... + +class MIMEAccept(Accept): + def _specificity(self, value: str) -> Tuple[bool, ...]: ... + def _value_matches(self, value: str, item: str) -> bool: ... + @property + def accept_html(self) -> bool: ... + @property + def accept_xhtml(self) -> bool: ... + @property + def accept_json(self) -> bool: ... + +def _normalize_lang(value: str) -> List[str]: ... + +class LanguageAccept(Accept): + def _value_matches(self, value: str, item: str) -> bool: ... + def best_match( + self, matches: Iterable[str], default: Optional[str] = None + ) -> Optional[str]: ... + +class CharsetAccept(Accept): + def _value_matches(self, value: str, item: str) -> bool: ... + +_CPT = TypeVar("_CPT", str, int, bool) +_OptCPT = Optional[_CPT] + +def cache_property(key: str, empty: _OptCPT, type: Type[_CPT]) -> property: ... + +class _CacheControl(UpdateDictMixin[str, _OptCPT], Dict[str, _OptCPT]): + provided: bool + def __init__( + self, + values: Union[Mapping[str, _OptCPT], Iterable[Tuple[str, _OptCPT]]] = (), + on_update: Optional[Callable[[_CacheControl], None]] = None, + ) -> None: ... + @property + def no_cache(self) -> Optional[bool]: ... + @no_cache.setter + def no_cache(self, value: Optional[bool]) -> None: ... + @no_cache.deleter + def no_cache(self) -> None: ... + @property + def no_store(self) -> Optional[bool]: ... + @no_store.setter + def no_store(self, value: Optional[bool]) -> None: ... + @no_store.deleter + def no_store(self) -> None: ... + @property + def max_age(self) -> Optional[int]: ... + @max_age.setter + def max_age(self, value: Optional[int]) -> None: ... + @max_age.deleter + def max_age(self) -> None: ... + @property + def no_transform(self) -> Optional[bool]: ... + @no_transform.setter + def no_transform(self, value: Optional[bool]) -> None: ... + @no_transform.deleter + def no_transform(self) -> None: ... + def _get_cache_value(self, key: str, empty: Optional[T], type: Type[T]) -> T: ... + def _set_cache_value(self, key: str, value: Optional[T], type: Type[T]) -> None: ... + def _del_cache_value(self, key: str) -> None: ... + def to_header(self) -> str: ... + @staticmethod + def cache_property(key: str, empty: _OptCPT, type: Type[_CPT]) -> property: ... + +class RequestCacheControl(ImmutableDictMixin[str, _OptCPT], _CacheControl): + @property + def max_stale(self) -> Optional[int]: ... + @max_stale.setter + def max_stale(self, value: Optional[int]) -> None: ... + @max_stale.deleter + def max_stale(self) -> None: ... + @property + def min_fresh(self) -> Optional[int]: ... + @min_fresh.setter + def min_fresh(self, value: Optional[int]) -> None: ... + @min_fresh.deleter + def min_fresh(self) -> None: ... + @property + def only_if_cached(self) -> Optional[bool]: ... + @only_if_cached.setter + def only_if_cached(self, value: Optional[bool]) -> None: ... + @only_if_cached.deleter + def only_if_cached(self) -> None: ... + +class ResponseCacheControl(_CacheControl): + @property + def public(self) -> Optional[bool]: ... + @public.setter + def public(self, value: Optional[bool]) -> None: ... + @public.deleter + def public(self) -> None: ... + @property + def private(self) -> Optional[bool]: ... + @private.setter + def private(self, value: Optional[bool]) -> None: ... + @private.deleter + def private(self) -> None: ... + @property + def must_revalidate(self) -> Optional[bool]: ... + @must_revalidate.setter + def must_revalidate(self, value: Optional[bool]) -> None: ... + @must_revalidate.deleter + def must_revalidate(self) -> None: ... + @property + def proxy_revalidate(self) -> Optional[bool]: ... + @proxy_revalidate.setter + def proxy_revalidate(self, value: Optional[bool]) -> None: ... + @proxy_revalidate.deleter + def proxy_revalidate(self) -> None: ... + @property + def s_maxage(self) -> Optional[int]: ... + @s_maxage.setter + def s_maxage(self, value: Optional[int]) -> None: ... + @s_maxage.deleter + def s_maxage(self) -> None: ... + @property + def immutable(self) -> Optional[bool]: ... + @immutable.setter + def immutable(self, value: Optional[bool]) -> None: ... + @immutable.deleter + def immutable(self) -> None: ... + +def csp_property(key: str) -> property: ... + +class ContentSecurityPolicy(UpdateDictMixin[str, str], Dict[str, str]): + @property + def base_uri(self) -> Optional[str]: ... + @base_uri.setter + def base_uri(self, value: Optional[str]) -> None: ... + @base_uri.deleter + def base_uri(self) -> None: ... + @property + def child_src(self) -> Optional[str]: ... + @child_src.setter + def child_src(self, value: Optional[str]) -> None: ... + @child_src.deleter + def child_src(self) -> None: ... + @property + def connect_src(self) -> Optional[str]: ... + @connect_src.setter + def connect_src(self, value: Optional[str]) -> None: ... + @connect_src.deleter + def connect_src(self) -> None: ... + @property + def default_src(self) -> Optional[str]: ... + @default_src.setter + def default_src(self, value: Optional[str]) -> None: ... + @default_src.deleter + def default_src(self) -> None: ... + @property + def font_src(self) -> Optional[str]: ... + @font_src.setter + def font_src(self, value: Optional[str]) -> None: ... + @font_src.deleter + def font_src(self) -> None: ... + @property + def form_action(self) -> Optional[str]: ... + @form_action.setter + def form_action(self, value: Optional[str]) -> None: ... + @form_action.deleter + def form_action(self) -> None: ... + @property + def frame_ancestors(self) -> Optional[str]: ... + @frame_ancestors.setter + def frame_ancestors(self, value: Optional[str]) -> None: ... + @frame_ancestors.deleter + def frame_ancestors(self) -> None: ... + @property + def frame_src(self) -> Optional[str]: ... + @frame_src.setter + def frame_src(self, value: Optional[str]) -> None: ... + @frame_src.deleter + def frame_src(self) -> None: ... + @property + def img_src(self) -> Optional[str]: ... + @img_src.setter + def img_src(self, value: Optional[str]) -> None: ... + @img_src.deleter + def img_src(self) -> None: ... + @property + def manifest_src(self) -> Optional[str]: ... + @manifest_src.setter + def manifest_src(self, value: Optional[str]) -> None: ... + @manifest_src.deleter + def manifest_src(self) -> None: ... + @property + def media_src(self) -> Optional[str]: ... + @media_src.setter + def media_src(self, value: Optional[str]) -> None: ... + @media_src.deleter + def media_src(self) -> None: ... + @property + def navigate_to(self) -> Optional[str]: ... + @navigate_to.setter + def navigate_to(self, value: Optional[str]) -> None: ... + @navigate_to.deleter + def navigate_to(self) -> None: ... + @property + def object_src(self) -> Optional[str]: ... + @object_src.setter + def object_src(self, value: Optional[str]) -> None: ... + @object_src.deleter + def object_src(self) -> None: ... + @property + def prefetch_src(self) -> Optional[str]: ... + @prefetch_src.setter + def prefetch_src(self, value: Optional[str]) -> None: ... + @prefetch_src.deleter + def prefetch_src(self) -> None: ... + @property + def plugin_types(self) -> Optional[str]: ... + @plugin_types.setter + def plugin_types(self, value: Optional[str]) -> None: ... + @plugin_types.deleter + def plugin_types(self) -> None: ... + @property + def report_to(self) -> Optional[str]: ... + @report_to.setter + def report_to(self, value: Optional[str]) -> None: ... + @report_to.deleter + def report_to(self) -> None: ... + @property + def report_uri(self) -> Optional[str]: ... + @report_uri.setter + def report_uri(self, value: Optional[str]) -> None: ... + @report_uri.deleter + def report_uri(self) -> None: ... + @property + def sandbox(self) -> Optional[str]: ... + @sandbox.setter + def sandbox(self, value: Optional[str]) -> None: ... + @sandbox.deleter + def sandbox(self) -> None: ... + @property + def script_src(self) -> Optional[str]: ... + @script_src.setter + def script_src(self, value: Optional[str]) -> None: ... + @script_src.deleter + def script_src(self) -> None: ... + @property + def script_src_attr(self) -> Optional[str]: ... + @script_src_attr.setter + def script_src_attr(self, value: Optional[str]) -> None: ... + @script_src_attr.deleter + def script_src_attr(self) -> None: ... + @property + def script_src_elem(self) -> Optional[str]: ... + @script_src_elem.setter + def script_src_elem(self, value: Optional[str]) -> None: ... + @script_src_elem.deleter + def script_src_elem(self) -> None: ... + @property + def style_src(self) -> Optional[str]: ... + @style_src.setter + def style_src(self, value: Optional[str]) -> None: ... + @style_src.deleter + def style_src(self) -> None: ... + @property + def style_src_attr(self) -> Optional[str]: ... + @style_src_attr.setter + def style_src_attr(self, value: Optional[str]) -> None: ... + @style_src_attr.deleter + def style_src_attr(self) -> None: ... + @property + def style_src_elem(self) -> Optional[str]: ... + @style_src_elem.setter + def style_src_elem(self, value: Optional[str]) -> None: ... + @style_src_elem.deleter + def style_src_elem(self) -> None: ... + @property + def worker_src(self) -> Optional[str]: ... + @worker_src.setter + def worker_src(self, value: Optional[str]) -> None: ... + @worker_src.deleter + def worker_src(self) -> None: ... + provided: bool + def __init__( + self, + values: Union[Mapping[str, str], Iterable[Tuple[str, str]]] = (), + on_update: Optional[Callable[[ContentSecurityPolicy], None]] = None, + ) -> None: ... + def _get_value(self, key: str) -> Optional[str]: ... + def _set_value(self, key: str, value: str) -> None: ... + def _del_value(self, key: str) -> None: ... + def to_header(self) -> str: ... + +class CallbackDict(UpdateDictMixin[K, V], Dict[K, V]): + def __init__( + self, + initial: Optional[Union[Mapping[K, V], Iterable[Tuple[K, V]]]] = None, + on_update: Optional[Callable[[CallbackDict], None]] = None, + ) -> None: ... + +class HeaderSet(Set[str]): + _headers: List[str] + _set: Set[str] + on_update: Optional[Callable[[HeaderSet], None]] + def __init__( + self, + headers: Optional[Iterable[str]] = None, + on_update: Optional[Callable[[HeaderSet], None]] = None, + ) -> None: ... + def add(self, header: str) -> None: ... + def remove(self, header: str) -> None: ... + def update(self, iterable: Iterable[str]) -> None: ... # type: ignore + def discard(self, header: str) -> None: ... + def find(self, header: str) -> int: ... + def index(self, header: str) -> int: ... + def clear(self) -> None: ... + def as_set(self, preserve_casing: bool = False) -> Set[str]: ... + def to_header(self) -> str: ... + def __getitem__(self, idx: int) -> str: ... + def __delitem__(self, idx: int) -> None: ... + def __setitem__(self, idx: int, value: str) -> None: ... + def __contains__(self, header: str) -> bool: ... # type: ignore + def __len__(self) -> int: ... + def __iter__(self) -> Iterator[str]: ... + +class ETags(Collection[str]): + _strong: FrozenSet[str] + _weak: FrozenSet[str] + star_tag: bool + def __init__( + self, + strong_etags: Optional[Iterable[str]] = None, + weak_etags: Optional[Iterable[str]] = None, + star_tag: bool = False, + ) -> None: ... + def as_set(self, include_weak: bool = False) -> Set[str]: ... + def is_weak(self, etag: str) -> bool: ... + def is_strong(self, etag: str) -> bool: ... + def contains_weak(self, etag: str) -> bool: ... + def contains(self, etag: str) -> bool: ... + def contains_raw(self, etag: str) -> bool: ... + def to_header(self) -> str: ... + def __call__( + self, + etag: Optional[str] = None, + data: Optional[bytes] = None, + include_weak: bool = False, + ) -> bool: ... + def __len__(self) -> int: ... + def __iter__(self) -> Iterator[str]: ... + def __contains__(self, item: str) -> bool: ... # type: ignore + +class IfRange: + etag: Optional[str] + date: Optional[datetime] + def __init__( + self, etag: Optional[str] = None, date: Optional[datetime] = None + ) -> None: ... + def to_header(self) -> str: ... + +class Range: + units: str + ranges: List[Tuple[int, Optional[int]]] + def __init__(self, units: str, ranges: List[Tuple[int, Optional[int]]]) -> None: ... + def range_for_length(self, length: Optional[int]) -> Optional[Tuple[int, int]]: ... + def make_content_range(self, length: Optional[int]) -> Optional[ContentRange]: ... + def to_header(self) -> str: ... + def to_content_range_header(self, length: Optional[int]) -> Optional[str]: ... + +def _callback_property(name: str) -> property: ... + +class ContentRange: + on_update: Optional[Callable[[ContentRange], None]] + def __init__( + self, + units: Optional[str], + start: Optional[int], + stop: Optional[int], + length: Optional[int] = None, + on_update: Optional[Callable[[ContentRange], None]] = None, + ) -> None: ... + @property + def units(self) -> Optional[str]: ... + @units.setter + def units(self, value: Optional[str]) -> None: ... + @property + def start(self) -> Optional[int]: ... + @start.setter + def start(self, value: Optional[int]) -> None: ... + @property + def stop(self) -> Optional[int]: ... + @stop.setter + def stop(self, value: Optional[int]) -> None: ... + @property + def length(self) -> Optional[int]: ... + @length.setter + def length(self, value: Optional[int]) -> None: ... + def set( + self, + start: Optional[int], + stop: Optional[int], + length: Optional[int] = None, + units: Optional[str] = "bytes", + ) -> None: ... + def unset(self) -> None: ... + def to_header(self) -> str: ... + +class Authorization(ImmutableDictMixin[str, str], Dict[str, str]): + type: str + def __init__( + self, + auth_type: str, + data: Optional[Union[Mapping[str, str], Iterable[Tuple[str, str]]]] = None, + ) -> None: ... + @property + def username(self) -> Optional[str]: ... + @property + def password(self) -> Optional[str]: ... + @property + def realm(self) -> Optional[str]: ... + @property + def nonce(self) -> Optional[str]: ... + @property + def uri(self) -> Optional[str]: ... + @property + def nc(self) -> Optional[str]: ... + @property + def cnonce(self) -> Optional[str]: ... + @property + def response(self) -> Optional[str]: ... + @property + def opaque(self) -> Optional[str]: ... + @property + def qop(self) -> Optional[str]: ... + def to_header(self) -> str: ... + +def auth_property(name: str, doc: Optional[str] = None) -> property: ... +def _set_property(name: str, doc: Optional[str] = None) -> property: ... + +class WWWAuthenticate(UpdateDictMixin[str, str], Dict[str, str]): + _require_quoting: FrozenSet[str] + def __init__( + self, + auth_type: Optional[str] = None, + values: Optional[Union[Mapping[str, str], Iterable[Tuple[str, str]]]] = None, + on_update: Optional[Callable[[WWWAuthenticate], None]] = None, + ) -> None: ... + def set_basic(self, realm: str = ...) -> None: ... + def set_digest( + self, + realm: str, + nonce: str, + qop: Iterable[str] = ("auth",), + opaque: Optional[str] = None, + algorithm: Optional[str] = None, + stale: bool = False, + ) -> None: ... + def to_header(self) -> str: ... + @property + def type(self) -> Optional[str]: ... + @type.setter + def type(self, value: Optional[str]) -> None: ... + @property + def realm(self) -> Optional[str]: ... + @realm.setter + def realm(self, value: Optional[str]) -> None: ... + @property + def domain(self) -> HeaderSet: ... + @property + def nonce(self) -> Optional[str]: ... + @nonce.setter + def nonce(self, value: Optional[str]) -> None: ... + @property + def opaque(self) -> Optional[str]: ... + @opaque.setter + def opaque(self, value: Optional[str]) -> None: ... + @property + def algorithm(self) -> Optional[str]: ... + @algorithm.setter + def algorithm(self, value: Optional[str]) -> None: ... + @property + def qop(self) -> HeaderSet: ... + @property + def stale(self) -> Optional[bool]: ... + @stale.setter + def stale(self, value: Optional[bool]) -> None: ... + @staticmethod + def auth_property(name: str, doc: Optional[str] = None) -> property: ... + +class FileStorage: + name: Optional[str] + stream: BinaryIO + filename: Optional[str] + headers: Headers + _parsed_content_type: Tuple[str, Dict[str, str]] + def __init__( + self, + stream: Optional[BinaryIO] = None, + filename: Optional[str] = None, + name: Optional[str] = None, + content_type: Optional[str] = None, + content_length: Optional[int] = None, + headers: Optional[Headers] = None, + ) -> None: ... + def _parse_content_type(self) -> None: ... + @property + def content_type(self) -> str: ... + @property + def content_length(self) -> int: ... + @property + def mimetype(self) -> str: ... + @property + def mimetype_params(self) -> Dict[str, str]: ... + def save( + self, dst: Union[str, PathLike, BinaryIO], buffer_size: int = ... + ) -> None: ... + def close(self) -> None: ... + def __iter__(self) -> Iterator[bytes]: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/__init__.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/__init__.py new file mode 100644 index 0000000..ca46bb9 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/__init__.py @@ -0,0 +1,501 @@ +import getpass +import hashlib +import json +import mimetypes +import os +import pkgutil +import re +import sys +import time +import typing as t +import uuid +from itertools import chain +from os.path import basename +from os.path import join + +from .._internal import _log +from ..http import parse_cookie +from ..security import gen_salt +from ..wrappers.request import Request +from ..wrappers.response import Response +from .console import Console +from .tbtools import Frame +from .tbtools import get_current_traceback +from .tbtools import render_console_html +from .tbtools import Traceback + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + +# A week +PIN_TIME = 60 * 60 * 24 * 7 + + +def hash_pin(pin: str) -> str: + return hashlib.sha1(f"{pin} added salt".encode("utf-8", "replace")).hexdigest()[:12] + + +_machine_id: t.Optional[t.Union[str, bytes]] = None + + +def get_machine_id() -> t.Optional[t.Union[str, bytes]]: + global _machine_id + + if _machine_id is not None: + return _machine_id + + def _generate() -> t.Optional[t.Union[str, bytes]]: + linux = b"" + + # machine-id is stable across boots, boot_id is not. + for filename in "/etc/machine-id", "/proc/sys/kernel/random/boot_id": + try: + with open(filename, "rb") as f: + value = f.readline().strip() + except OSError: + continue + + if value: + linux += value + break + + # Containers share the same machine id, add some cgroup + # information. This is used outside containers too but should be + # relatively stable across boots. + try: + with open("/proc/self/cgroup", "rb") as f: + linux += f.readline().strip().rpartition(b"/")[2] + except OSError: + pass + + if linux: + return linux + + # On OS X, use ioreg to get the computer's serial number. + try: + # subprocess may not be available, e.g. Google App Engine + # https://github.com/pallets/werkzeug/issues/925 + from subprocess import Popen, PIPE + + dump = Popen( + ["ioreg", "-c", "IOPlatformExpertDevice", "-d", "2"], stdout=PIPE + ).communicate()[0] + match = re.search(b'"serial-number" = <([^>]+)', dump) + + if match is not None: + return match.group(1) + except (OSError, ImportError): + pass + + # On Windows, use winreg to get the machine guid. + try: + import winreg + except ImportError: + pass + else: + try: + with winreg.OpenKey( + winreg.HKEY_LOCAL_MACHINE, + "SOFTWARE\\Microsoft\\Cryptography", + 0, + winreg.KEY_READ | winreg.KEY_WOW64_64KEY, + ) as rk: + guid: t.Union[str, bytes] + guid_type: int + guid, guid_type = winreg.QueryValueEx(rk, "MachineGuid") + + if guid_type == winreg.REG_SZ: + return guid.encode("utf-8") # type: ignore + + return guid + except OSError: + pass + + return None + + _machine_id = _generate() + return _machine_id + + +class _ConsoleFrame: + """Helper class so that we can reuse the frame console code for the + standalone console. + """ + + def __init__(self, namespace: t.Dict[str, t.Any]): + self.console = Console(namespace) + self.id = 0 + + +def get_pin_and_cookie_name( + app: "WSGIApplication", +) -> t.Union[t.Tuple[str, str], t.Tuple[None, None]]: + """Given an application object this returns a semi-stable 9 digit pin + code and a random key. The hope is that this is stable between + restarts to not make debugging particularly frustrating. If the pin + was forcefully disabled this returns `None`. + + Second item in the resulting tuple is the cookie name for remembering. + """ + pin = os.environ.get("WERKZEUG_DEBUG_PIN") + rv = None + num = None + + # Pin was explicitly disabled + if pin == "off": + return None, None + + # Pin was provided explicitly + if pin is not None and pin.replace("-", "").isdigit(): + # If there are separators in the pin, return it directly + if "-" in pin: + rv = pin + else: + num = pin + + modname = getattr(app, "__module__", t.cast(object, app).__class__.__module__) + username: t.Optional[str] + + try: + # getuser imports the pwd module, which does not exist in Google + # App Engine. It may also raise a KeyError if the UID does not + # have a username, such as in Docker. + username = getpass.getuser() + except (ImportError, KeyError): + username = None + + mod = sys.modules.get(modname) + + # This information only exists to make the cookie unique on the + # computer, not as a security feature. + probably_public_bits = [ + username, + modname, + getattr(app, "__name__", type(app).__name__), + getattr(mod, "__file__", None), + ] + + # This information is here to make it harder for an attacker to + # guess the cookie name. They are unlikely to be contained anywhere + # within the unauthenticated debug page. + private_bits = [str(uuid.getnode()), get_machine_id()] + + h = hashlib.sha1() + for bit in chain(probably_public_bits, private_bits): + if not bit: + continue + if isinstance(bit, str): + bit = bit.encode("utf-8") + h.update(bit) + h.update(b"cookiesalt") + + cookie_name = f"__wzd{h.hexdigest()[:20]}" + + # If we need to generate a pin we salt it a bit more so that we don't + # end up with the same value and generate out 9 digits + if num is None: + h.update(b"pinsalt") + num = f"{int(h.hexdigest(), 16):09d}"[:9] + + # Format the pincode in groups of digits for easier remembering if + # we don't have a result yet. + if rv is None: + for group_size in 5, 4, 3: + if len(num) % group_size == 0: + rv = "-".join( + num[x : x + group_size].rjust(group_size, "0") + for x in range(0, len(num), group_size) + ) + break + else: + rv = num + + return rv, cookie_name + + +class DebuggedApplication: + """Enables debugging support for a given application:: + + from werkzeug.debug import DebuggedApplication + from myapp import app + app = DebuggedApplication(app, evalex=True) + + The `evalex` keyword argument allows evaluating expressions in a + traceback's frame context. + + :param app: the WSGI application to run debugged. + :param evalex: enable exception evaluation feature (interactive + debugging). This requires a non-forking server. + :param request_key: The key that points to the request object in ths + environment. This parameter is ignored in current + versions. + :param console_path: the URL for a general purpose console. + :param console_init_func: the function that is executed before starting + the general purpose console. The return value + is used as initial namespace. + :param show_hidden_frames: by default hidden traceback frames are skipped. + You can show them by setting this parameter + to `True`. + :param pin_security: can be used to disable the pin based security system. + :param pin_logging: enables the logging of the pin system. + """ + + _pin: str + _pin_cookie: str + + def __init__( + self, + app: "WSGIApplication", + evalex: bool = False, + request_key: str = "werkzeug.request", + console_path: str = "/console", + console_init_func: t.Optional[t.Callable[[], t.Dict[str, t.Any]]] = None, + show_hidden_frames: bool = False, + pin_security: bool = True, + pin_logging: bool = True, + ) -> None: + if not console_init_func: + console_init_func = None + self.app = app + self.evalex = evalex + self.frames: t.Dict[int, t.Union[Frame, _ConsoleFrame]] = {} + self.tracebacks: t.Dict[int, Traceback] = {} + self.request_key = request_key + self.console_path = console_path + self.console_init_func = console_init_func + self.show_hidden_frames = show_hidden_frames + self.secret = gen_salt(20) + self._failed_pin_auth = 0 + + self.pin_logging = pin_logging + if pin_security: + # Print out the pin for the debugger on standard out. + if os.environ.get("WERKZEUG_RUN_MAIN") == "true" and pin_logging: + _log("warning", " * Debugger is active!") + if self.pin is None: + _log("warning", " * Debugger PIN disabled. DEBUGGER UNSECURED!") + else: + _log("info", " * Debugger PIN: %s", self.pin) + else: + self.pin = None + + @property + def pin(self) -> t.Optional[str]: + if not hasattr(self, "_pin"): + pin_cookie = get_pin_and_cookie_name(self.app) + self._pin, self._pin_cookie = pin_cookie # type: ignore + return self._pin + + @pin.setter + def pin(self, value: str) -> None: + self._pin = value + + @property + def pin_cookie_name(self) -> str: + """The name of the pin cookie.""" + if not hasattr(self, "_pin_cookie"): + pin_cookie = get_pin_and_cookie_name(self.app) + self._pin, self._pin_cookie = pin_cookie # type: ignore + return self._pin_cookie + + def debug_application( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterator[bytes]: + """Run the application and conserve the traceback frames.""" + app_iter = None + try: + app_iter = self.app(environ, start_response) + yield from app_iter + if hasattr(app_iter, "close"): + app_iter.close() # type: ignore + except Exception: + if hasattr(app_iter, "close"): + app_iter.close() # type: ignore + traceback = get_current_traceback( + skip=1, + show_hidden_frames=self.show_hidden_frames, + ignore_system_exceptions=True, + ) + for frame in traceback.frames: + self.frames[frame.id] = frame + self.tracebacks[traceback.id] = traceback + + try: + start_response( + "500 INTERNAL SERVER ERROR", + [ + ("Content-Type", "text/html; charset=utf-8"), + # Disable Chrome's XSS protection, the debug + # output can cause false-positives. + ("X-XSS-Protection", "0"), + ], + ) + except Exception: + # if we end up here there has been output but an error + # occurred. in that situation we can do nothing fancy any + # more, better log something into the error log and fall + # back gracefully. + environ["wsgi.errors"].write( + "Debugging middleware caught exception in streamed " + "response at a point where response headers were already " + "sent.\n" + ) + else: + is_trusted = bool(self.check_pin_trust(environ)) + yield traceback.render_full( + evalex=self.evalex, evalex_trusted=is_trusted, secret=self.secret + ).encode("utf-8", "replace") + + traceback.log(environ["wsgi.errors"]) + + def execute_command( + self, request: Request, command: str, frame: t.Union[Frame, _ConsoleFrame] + ) -> Response: + """Execute a command in a console.""" + return Response(frame.console.eval(command), mimetype="text/html") + + def display_console(self, request: Request) -> Response: + """Display a standalone shell.""" + if 0 not in self.frames: + if self.console_init_func is None: + ns = {} + else: + ns = dict(self.console_init_func()) + ns.setdefault("app", self.app) + self.frames[0] = _ConsoleFrame(ns) + is_trusted = bool(self.check_pin_trust(request.environ)) + return Response( + render_console_html(secret=self.secret, evalex_trusted=is_trusted), + mimetype="text/html", + ) + + def get_resource(self, request: Request, filename: str) -> Response: + """Return a static resource from the shared folder.""" + filename = join("shared", basename(filename)) + try: + data = pkgutil.get_data(__package__, filename) + except OSError: + data = None + if data is not None: + mimetype = mimetypes.guess_type(filename)[0] or "application/octet-stream" + return Response(data, mimetype=mimetype) + return Response("Not Found", status=404) + + def check_pin_trust(self, environ: "WSGIEnvironment") -> t.Optional[bool]: + """Checks if the request passed the pin test. This returns `True` if the + request is trusted on a pin/cookie basis and returns `False` if not. + Additionally if the cookie's stored pin hash is wrong it will return + `None` so that appropriate action can be taken. + """ + if self.pin is None: + return True + val = parse_cookie(environ).get(self.pin_cookie_name) + if not val or "|" not in val: + return False + ts, pin_hash = val.split("|", 1) + if not ts.isdigit(): + return False + if pin_hash != hash_pin(self.pin): + return None + return (time.time() - PIN_TIME) < int(ts) + + def _fail_pin_auth(self) -> None: + time.sleep(5.0 if self._failed_pin_auth > 5 else 0.5) + self._failed_pin_auth += 1 + + def pin_auth(self, request: Request) -> Response: + """Authenticates with the pin.""" + exhausted = False + auth = False + trust = self.check_pin_trust(request.environ) + pin = t.cast(str, self.pin) + + # If the trust return value is `None` it means that the cookie is + # set but the stored pin hash value is bad. This means that the + # pin was changed. In this case we count a bad auth and unset the + # cookie. This way it becomes harder to guess the cookie name + # instead of the pin as we still count up failures. + bad_cookie = False + if trust is None: + self._fail_pin_auth() + bad_cookie = True + + # If we're trusted, we're authenticated. + elif trust: + auth = True + + # If we failed too many times, then we're locked out. + elif self._failed_pin_auth > 10: + exhausted = True + + # Otherwise go through pin based authentication + else: + entered_pin = request.args["pin"] + + if entered_pin.strip().replace("-", "") == pin.replace("-", ""): + self._failed_pin_auth = 0 + auth = True + else: + self._fail_pin_auth() + + rv = Response( + json.dumps({"auth": auth, "exhausted": exhausted}), + mimetype="application/json", + ) + if auth: + rv.set_cookie( + self.pin_cookie_name, + f"{int(time.time())}|{hash_pin(pin)}", + httponly=True, + samesite="None", + ) + elif bad_cookie: + rv.delete_cookie(self.pin_cookie_name) + return rv + + def log_pin_request(self) -> Response: + """Log the pin if needed.""" + if self.pin_logging and self.pin is not None: + _log( + "info", " * To enable the debugger you need to enter the security pin:" + ) + _log("info", " * Debugger pin code: %s", self.pin) + return Response("") + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + """Dispatch the requests.""" + # important: don't ever access a function here that reads the incoming + # form data! Otherwise the application won't have access to that data + # any more! + request = Request(environ) + response = self.debug_application + if request.args.get("__debugger__") == "yes": + cmd = request.args.get("cmd") + arg = request.args.get("f") + secret = request.args.get("s") + frame = self.frames.get(request.args.get("frm", type=int)) # type: ignore + if cmd == "resource" and arg: + response = self.get_resource(request, arg) # type: ignore + elif cmd == "pinauth" and secret == self.secret: + response = self.pin_auth(request) # type: ignore + elif cmd == "printpin" and secret == self.secret: + response = self.log_pin_request() # type: ignore + elif ( + self.evalex + and cmd is not None + and frame is not None + and self.secret == secret + and self.check_pin_trust(environ) + ): + response = self.execute_command(request, cmd, frame) # type: ignore + elif ( + self.evalex + and self.console_path is not None + and request.path == self.console_path + ): + response = self.display_console(request) # type: ignore + return response(environ, start_response) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/console.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/console.py new file mode 100644 index 0000000..da78660 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/console.py @@ -0,0 +1,211 @@ +import code +import sys +import typing as t +from html import escape +from types import CodeType + +from ..local import Local +from .repr import debug_repr +from .repr import dump +from .repr import helper + +if t.TYPE_CHECKING: + import codeop # noqa: F401 + +_local = Local() + + +class HTMLStringO: + """A StringO version that HTML escapes on write.""" + + def __init__(self) -> None: + self._buffer: t.List[str] = [] + + def isatty(self) -> bool: + return False + + def close(self) -> None: + pass + + def flush(self) -> None: + pass + + def seek(self, n: int, mode: int = 0) -> None: + pass + + def readline(self) -> str: + if len(self._buffer) == 0: + return "" + ret = self._buffer[0] + del self._buffer[0] + return ret + + def reset(self) -> str: + val = "".join(self._buffer) + del self._buffer[:] + return val + + def _write(self, x: str) -> None: + if isinstance(x, bytes): + x = x.decode("utf-8", "replace") + self._buffer.append(x) + + def write(self, x: str) -> None: + self._write(escape(x)) + + def writelines(self, x: t.Iterable[str]) -> None: + self._write(escape("".join(x))) + + +class ThreadedStream: + """Thread-local wrapper for sys.stdout for the interactive console.""" + + @staticmethod + def push() -> None: + if not isinstance(sys.stdout, ThreadedStream): + sys.stdout = t.cast(t.TextIO, ThreadedStream()) + _local.stream = HTMLStringO() + + @staticmethod + def fetch() -> str: + try: + stream = _local.stream + except AttributeError: + return "" + return stream.reset() # type: ignore + + @staticmethod + def displayhook(obj: object) -> None: + try: + stream = _local.stream + except AttributeError: + return _displayhook(obj) # type: ignore + # stream._write bypasses escaping as debug_repr is + # already generating HTML for us. + if obj is not None: + _local._current_ipy.locals["_"] = obj + stream._write(debug_repr(obj)) + + def __setattr__(self, name: str, value: t.Any) -> None: + raise AttributeError(f"read only attribute {name}") + + def __dir__(self) -> t.List[str]: + return dir(sys.__stdout__) + + def __getattribute__(self, name: str) -> t.Any: + try: + stream = _local.stream + except AttributeError: + stream = sys.__stdout__ + return getattr(stream, name) + + def __repr__(self) -> str: + return repr(sys.__stdout__) + + +# add the threaded stream as display hook +_displayhook = sys.displayhook +sys.displayhook = ThreadedStream.displayhook + + +class _ConsoleLoader: + def __init__(self) -> None: + self._storage: t.Dict[int, str] = {} + + def register(self, code: CodeType, source: str) -> None: + self._storage[id(code)] = source + # register code objects of wrapped functions too. + for var in code.co_consts: + if isinstance(var, CodeType): + self._storage[id(var)] = source + + def get_source_by_code(self, code: CodeType) -> t.Optional[str]: + try: + return self._storage[id(code)] + except KeyError: + return None + + +class _InteractiveConsole(code.InteractiveInterpreter): + locals: t.Dict[str, t.Any] + + def __init__(self, globals: t.Dict[str, t.Any], locals: t.Dict[str, t.Any]) -> None: + self.loader = _ConsoleLoader() + locals = { + **globals, + **locals, + "dump": dump, + "help": helper, + "__loader__": self.loader, + } + super().__init__(locals) + original_compile = self.compile + + def compile(source: str, filename: str, symbol: str) -> CodeType: + code = original_compile(source, filename, symbol) + self.loader.register(code, source) + return code + + self.compile = compile + self.more = False + self.buffer: t.List[str] = [] + + def runsource(self, source: str, **kwargs: t.Any) -> str: # type: ignore + source = f"{source.rstrip()}\n" + ThreadedStream.push() + prompt = "... " if self.more else ">>> " + try: + source_to_eval = "".join(self.buffer + [source]) + if super().runsource(source_to_eval, "", "single"): + self.more = True + self.buffer.append(source) + else: + self.more = False + del self.buffer[:] + finally: + output = ThreadedStream.fetch() + return prompt + escape(source) + output + + def runcode(self, code: CodeType) -> None: + try: + exec(code, self.locals) + except Exception: + self.showtraceback() + + def showtraceback(self) -> None: + from .tbtools import get_current_traceback + + tb = get_current_traceback(skip=1) + sys.stdout._write(tb.render_summary()) # type: ignore + + def showsyntaxerror(self, filename: t.Optional[str] = None) -> None: + from .tbtools import get_current_traceback + + tb = get_current_traceback(skip=4) + sys.stdout._write(tb.render_summary()) # type: ignore + + def write(self, data: str) -> None: + sys.stdout.write(data) + + +class Console: + """An interactive console.""" + + def __init__( + self, + globals: t.Optional[t.Dict[str, t.Any]] = None, + locals: t.Optional[t.Dict[str, t.Any]] = None, + ) -> None: + if locals is None: + locals = {} + if globals is None: + globals = {} + self._ipy = _InteractiveConsole(globals, locals) + + def eval(self, code: str) -> str: + _local._current_ipy = self._ipy + old_sys_stdout = sys.stdout + try: + return self._ipy.runsource(code) + finally: + sys.stdout = old_sys_stdout diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/repr.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/repr.py new file mode 100644 index 0000000..7d847b0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/repr.py @@ -0,0 +1,284 @@ +"""Object representations for debugging purposes. Unlike the default +repr, these expose more information and produce HTML instead of ASCII. + +Together with the CSS and JavaScript of the debugger this gives a +colorful and more compact output. +""" +import codecs +import re +import sys +import typing as t +from collections import deque +from html import escape +from traceback import format_exception_only + +missing = object() +_paragraph_re = re.compile(r"(?:\r\n|\r|\n){2,}") +RegexType = type(_paragraph_re) + +HELP_HTML = """\ +
    +

    %(title)s

    + 
    %(text)s
    +
    \ +""" +OBJECT_DUMP_HTML = """\ +
    +

    %(title)s

    + %(repr)s + %(items)s
    +
    \ +""" + + +def debug_repr(obj: object) -> str: + """Creates a debug repr of an object as HTML string.""" + return DebugReprGenerator().repr(obj) + + +def dump(obj: object = missing) -> None: + """Print the object details to stdout._write (for the interactive + console of the web debugger. + """ + gen = DebugReprGenerator() + if obj is missing: + rv = gen.dump_locals(sys._getframe(1).f_locals) + else: + rv = gen.dump_object(obj) + sys.stdout._write(rv) # type: ignore + + +class _Helper: + """Displays an HTML version of the normal help, for the interactive + debugger only because it requires a patched sys.stdout. + """ + + def __repr__(self) -> str: + return "Type help(object) for help about object." + + def __call__(self, topic: t.Optional[t.Any] = None) -> None: + if topic is None: + sys.stdout._write(f"{self!r}") # type: ignore + return + import pydoc + + pydoc.help(topic) + rv = sys.stdout.reset() # type: ignore + if isinstance(rv, bytes): + rv = rv.decode("utf-8", "ignore") + paragraphs = _paragraph_re.split(rv) + if len(paragraphs) > 1: + title = paragraphs[0] + text = "\n\n".join(paragraphs[1:]) + else: + title = "Help" + text = paragraphs[0] + sys.stdout._write(HELP_HTML % {"title": title, "text": text}) # type: ignore + + +helper = _Helper() + + +def _add_subclass_info( + inner: str, obj: object, base: t.Union[t.Type, t.Tuple[t.Type, ...]] +) -> str: + if isinstance(base, tuple): + for base in base: + if type(obj) is base: + return inner + elif type(obj) is base: + return inner + module = "" + if obj.__class__.__module__ not in ("__builtin__", "exceptions"): + module = f'{obj.__class__.__module__}.' + return f"{module}{type(obj).__name__}({inner})" + + +def _sequence_repr_maker( + left: str, right: str, base: t.Type, limit: int = 8 +) -> t.Callable[["DebugReprGenerator", t.Iterable, bool], str]: + def proxy(self: "DebugReprGenerator", obj: t.Iterable, recursive: bool) -> str: + if recursive: + return _add_subclass_info(f"{left}...{right}", obj, base) + buf = [left] + have_extended_section = False + for idx, item in enumerate(obj): + if idx: + buf.append(", ") + if idx == limit: + buf.append('') + have_extended_section = True + buf.append(self.repr(item)) + if have_extended_section: + buf.append("") + buf.append(right) + return _add_subclass_info("".join(buf), obj, base) + + return proxy + + +class DebugReprGenerator: + def __init__(self) -> None: + self._stack: t.List[t.Any] = [] + + list_repr = _sequence_repr_maker("[", "]", list) + tuple_repr = _sequence_repr_maker("(", ")", tuple) + set_repr = _sequence_repr_maker("set([", "])", set) + frozenset_repr = _sequence_repr_maker("frozenset([", "])", frozenset) + deque_repr = _sequence_repr_maker( + 'collections.deque([', "])", deque + ) + + def regex_repr(self, obj: t.Pattern) -> str: + pattern = repr(obj.pattern) + pattern = codecs.decode(pattern, "unicode-escape", "ignore") # type: ignore + pattern = f"r{pattern}" + return f're.compile({pattern})' + + def string_repr(self, obj: t.Union[str, bytes], limit: int = 70) -> str: + buf = [''] + r = repr(obj) + + # shorten the repr when the hidden part would be at least 3 chars + if len(r) - limit > 2: + buf.extend( + ( + escape(r[:limit]), + '', + escape(r[limit:]), + "", + ) + ) + else: + buf.append(escape(r)) + + buf.append("") + out = "".join(buf) + + # if the repr looks like a standard string, add subclass info if needed + if r[0] in "'\"" or (r[0] == "b" and r[1] in "'\""): + return _add_subclass_info(out, obj, (bytes, str)) + + # otherwise, assume the repr distinguishes the subclass already + return out + + def dict_repr( + self, + d: t.Union[t.Dict[int, None], t.Dict[str, int], t.Dict[t.Union[str, int], int]], + recursive: bool, + limit: int = 5, + ) -> str: + if recursive: + return _add_subclass_info("{...}", d, dict) + buf = ["{"] + have_extended_section = False + for idx, (key, value) in enumerate(d.items()): + if idx: + buf.append(", ") + if idx == limit - 1: + buf.append('') + have_extended_section = True + buf.append( + f'{self.repr(key)}:' + f' {self.repr(value)}' + ) + if have_extended_section: + buf.append("") + buf.append("}") + return _add_subclass_info("".join(buf), d, dict) + + def object_repr( + self, obj: t.Optional[t.Union[t.Type[dict], t.Callable, t.Type[list]]] + ) -> str: + r = repr(obj) + return f'{escape(r)}' + + def dispatch_repr(self, obj: t.Any, recursive: bool) -> str: + if obj is helper: + return f'{helper!r}' + if isinstance(obj, (int, float, complex)): + return f'{obj!r}' + if isinstance(obj, str) or isinstance(obj, bytes): + return self.string_repr(obj) + if isinstance(obj, RegexType): + return self.regex_repr(obj) + if isinstance(obj, list): + return self.list_repr(obj, recursive) + if isinstance(obj, tuple): + return self.tuple_repr(obj, recursive) + if isinstance(obj, set): + return self.set_repr(obj, recursive) + if isinstance(obj, frozenset): + return self.frozenset_repr(obj, recursive) + if isinstance(obj, dict): + return self.dict_repr(obj, recursive) + if isinstance(obj, deque): + return self.deque_repr(obj, recursive) + return self.object_repr(obj) + + def fallback_repr(self) -> str: + try: + info = "".join(format_exception_only(*sys.exc_info()[:2])) + except Exception: + info = "?" + return ( + '' + f"<broken repr ({escape(info.strip())})>" + ) + + def repr(self, obj: object) -> str: + recursive = False + for item in self._stack: + if item is obj: + recursive = True + break + self._stack.append(obj) + try: + try: + return self.dispatch_repr(obj, recursive) + except Exception: + return self.fallback_repr() + finally: + self._stack.pop() + + def dump_object(self, obj: object) -> str: + repr = None + items: t.Optional[t.List[t.Tuple[str, str]]] = None + + if isinstance(obj, dict): + title = "Contents of" + items = [] + for key, value in obj.items(): + if not isinstance(key, str): + items = None + break + items.append((key, self.repr(value))) + if items is None: + items = [] + repr = self.repr(obj) + for key in dir(obj): + try: + items.append((key, self.repr(getattr(obj, key)))) + except Exception: + pass + title = "Details for" + title += f" {object.__repr__(obj)[1:-1]}" + return self.render_object_dump(items, title, repr) + + def dump_locals(self, d: t.Dict[str, t.Any]) -> str: + items = [(key, self.repr(value)) for key, value in d.items()] + return self.render_object_dump(items, "Local variables in frame") + + def render_object_dump( + self, items: t.List[t.Tuple[str, str]], title: str, repr: t.Optional[str] = None + ) -> str: + html_items = [] + for key, value in items: + html_items.append(f"{escape(key)}
    {value}
    ") + if not html_items: + html_items.append("Nothing") + return OBJECT_DUMP_HTML % { + "title": escape(title), + "repr": f"
    {repr if repr else ''}
    ", + "items": "\n".join(html_items), + } diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/FONT_LICENSE b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/FONT_LICENSE new file mode 100644 index 0000000..ae78a8f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/FONT_LICENSE @@ -0,0 +1,96 @@ +------------------------------- +UBUNTU FONT LICENCE Version 1.0 +------------------------------- + +PREAMBLE +This licence allows the licensed fonts to be used, studied, modified and +redistributed freely. The fonts, including any derivative works, can be +bundled, embedded, and redistributed provided the terms of this licence +are met. The fonts and derivatives, however, cannot be released under +any other licence. The requirement for fonts to remain under this +licence does not require any document created using the fonts or their +derivatives to be published under this licence, as long as the primary +purpose of the document is not to be a vehicle for the distribution of +the fonts. + +DEFINITIONS +"Font Software" refers to the set of files released by the Copyright +Holder(s) under this licence and clearly marked as such. This may +include source files, build scripts and documentation. + +"Original Version" refers to the collection of Font Software components +as received under this licence. + +"Modified Version" refers to any derivative made by adding to, deleting, +or substituting -- in part or in whole -- any of the components of the +Original Version, by changing formats or by porting the Font Software to +a new environment. + +"Copyright Holder(s)" refers to all individuals and companies who have a +copyright ownership of the Font Software. + +"Substantially Changed" refers to Modified Versions which can be easily +identified as dissimilar to the Font Software by users of the Font +Software comparing the Original Version with the Modified Version. + +To "Propagate" a work means to do anything with it that, without +permission, would make you directly or secondarily liable for +infringement under applicable copyright law, except executing it on a +computer or modifying a private copy. Propagation includes copying, +distribution (with or without modification and with or without charging +a redistribution fee), making available to the public, and in some +countries other activities as well. + +PERMISSION & CONDITIONS +This licence does not grant any rights under trademark law and all such +rights are reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of the Font Software, to propagate the Font Software, subject to +the below conditions: + +1) Each copy of the Font Software must contain the above copyright +notice and this licence. These can be included either as stand-alone +text files, human-readable headers or in the appropriate machine- +readable metadata fields within text or binary files as long as those +fields can be easily viewed by the user. + +2) The font name complies with the following: +(a) The Original Version must retain its name, unmodified. +(b) Modified Versions which are Substantially Changed must be renamed to +avoid use of the name of the Original Version or similar names entirely. +(c) Modified Versions which are not Substantially Changed must be +renamed to both (i) retain the name of the Original Version and (ii) add +additional naming elements to distinguish the Modified Version from the +Original Version. The name of such Modified Versions must be the name of +the Original Version, with "derivative X" where X represents the name of +the new work, appended to that name. + +3) The name(s) of the Copyright Holder(s) and any contributor to the +Font Software shall not be used to promote, endorse or advertise any +Modified Version, except (i) as required by this licence, (ii) to +acknowledge the contribution(s) of the Copyright Holder(s) or (iii) with +their explicit written permission. + +4) The Font Software, modified or unmodified, in part or in whole, must +be distributed entirely under this licence, and must not be distributed +under any other licence. The requirement for fonts to remain under this +licence does not affect any document created using the Font Software, +except any version of the Font Software extracted from a document +created using the Font Software may only be distributed under this +licence. + +TERMINATION +This licence becomes null and void if any of the above conditions are +not met. + +DISCLAIMER +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF +COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE +COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL +DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER +DEALINGS IN THE FONT SOFTWARE. diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ICON_LICENSE.md b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ICON_LICENSE.md new file mode 100644 index 0000000..3bdbfc7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ICON_LICENSE.md @@ -0,0 +1,6 @@ +Silk icon set 1.3 by Mark James + +http://www.famfamfam.com/lab/icons/silk/ + +License: [CC-BY-2.5](https://creativecommons.org/licenses/by/2.5/) +or [CC-BY-3.0](https://creativecommons.org/licenses/by/3.0/) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/console.png b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/console.png new file mode 100644 index 0000000..c28dd63 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/console.png differ diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/debugger.js b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/debugger.js new file mode 100644 index 0000000..cd9efcd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/debugger.js @@ -0,0 +1,359 @@ +docReady(() => { + if (!EVALEX_TRUSTED) { + initPinBox(); + } + // if we are in console mode, show the console. + if (CONSOLE_MODE && EVALEX) { + createInteractiveConsole(); + } + + const frames = document.querySelectorAll("div.traceback div.frame"); + if (EVALEX) { + addConsoleIconToFrames(frames); + } + addEventListenersToElements(document.querySelectorAll("div.detail"), "click", () => + document.querySelector("div.traceback").scrollIntoView(false) + ); + addToggleFrameTraceback(frames); + addToggleTraceTypesOnClick(document.querySelectorAll("h2.traceback")); + addInfoPrompt(document.querySelectorAll("span.nojavascript")); + wrapPlainTraceback(); +}); + +function addToggleFrameTraceback(frames) { + frames.forEach((frame, i) => { + frame.addEventListener("click", () => { + frame.getElementsByTagName("pre")[i].parentElement.classList.toggle("expanded"); + }); + }) +} + + +function wrapPlainTraceback() { + const plainTraceback = document.querySelector("div.plain textarea"); + const wrapper = document.createElement("pre"); + const textNode = document.createTextNode(plainTraceback.textContent); + wrapper.appendChild(textNode); + plainTraceback.replaceWith(wrapper); +} + +function initPinBox() { + document.querySelector(".pin-prompt form").addEventListener( + "submit", + function (event) { + event.preventDefault(); + const pin = encodeURIComponent(this.pin.value); + const encodedSecret = encodeURIComponent(SECRET); + const btn = this.btn; + btn.disabled = true; + + fetch( + `${document.location.pathname}?__debugger__=yes&cmd=pinauth&pin=${pin}&s=${encodedSecret}` + ) + .then((res) => res.json()) + .then(({auth, exhausted}) => { + if (auth) { + EVALEX_TRUSTED = true; + fadeOut(document.getElementsByClassName("pin-prompt")[0]); + } else { + alert( + `Error: ${ + exhausted + ? "too many attempts. Restart server to retry." + : "incorrect pin" + }` + ); + } + }) + .catch((err) => { + alert("Error: Could not verify PIN. Network error?"); + console.error(err); + }) + .finally(() => (btn.disabled = false)); + }, + false + ); +} + +function promptForPin() { + if (!EVALEX_TRUSTED) { + const encodedSecret = encodeURIComponent(SECRET); + fetch( + `${document.location.pathname}?__debugger__=yes&cmd=printpin&s=${encodedSecret}` + ); + const pinPrompt = document.getElementsByClassName("pin-prompt")[0]; + fadeIn(pinPrompt); + document.querySelector('.pin-prompt input[name="pin"]').focus(); + } +} + +/** + * Helper function for shell initialization + */ +function openShell(consoleNode, target, frameID) { + promptForPin(); + if (consoleNode) { + slideToggle(consoleNode); + return consoleNode; + } + let historyPos = 0; + const history = [""]; + const consoleElement = createConsole(); + const output = createConsoleOutput(); + const form = createConsoleInputForm(); + const command = createConsoleInput(); + + target.parentNode.appendChild(consoleElement); + consoleElement.append(output); + consoleElement.append(form); + form.append(command); + command.focus(); + slideToggle(consoleElement); + + form.addEventListener("submit", (e) => { + handleConsoleSubmit(e, command, frameID).then((consoleOutput) => { + output.append(consoleOutput); + command.focus(); + consoleElement.scrollTo(0, consoleElement.scrollHeight); + const old = history.pop(); + history.push(command.value); + if (typeof old !== "undefined") { + history.push(old); + } + historyPos = history.length - 1; + command.value = ""; + }); + }); + + command.addEventListener("keydown", (e) => { + if (e.key === "l" && e.ctrlKey) { + output.innerText = "--- screen cleared ---"; + } else if (e.key === "ArrowUp" || e.key === "ArrowDown") { + // Handle up arrow and down arrow. + if (e.key === "ArrowUp" && historyPos > 0) { + e.preventDefault(); + historyPos--; + } else if (e.key === "ArrowDown" && historyPos < history.length - 1) { + historyPos++; + } + command.value = history[historyPos]; + } + return false; + }); + + return consoleElement; +} + +function addEventListenersToElements(elements, event, listener) { + elements.forEach((el) => el.addEventListener(event, listener)); +} + +/** + * Add extra info + */ +function addInfoPrompt(elements) { + for (let i = 0; i < elements.length; i++) { + elements[i].innerHTML = + "

    To switch between the interactive traceback and the plaintext " + + 'one, you can click on the "Traceback" headline. From the text ' + + "traceback you can also create a paste of it. " + + (!EVALEX + ? "" + : "For code execution mouse-over the frame you want to debug and " + + "click on the console icon on the right side." + + "

    You can execute arbitrary Python code in the stack frames and " + + "there are some extra helpers available for introspection:" + + "

    • dump() shows all variables in the frame" + + "
    • dump(obj) dumps all that's known about the object
    "); + elements[i].classList.remove("nojavascript"); + } +} + +function addConsoleIconToFrames(frames) { + for (let i = 0; i < frames.length; i++) { + let consoleNode = null; + const target = frames[i]; + const frameID = frames[i].id.substring(6); + + for (let j = 0; j < target.getElementsByTagName("pre").length; j++) { + const img = createIconForConsole(); + img.addEventListener("click", (e) => { + e.stopPropagation(); + consoleNode = openShell(consoleNode, target, frameID); + return false; + }); + target.getElementsByTagName("pre")[j].append(img); + } + } +} + +function slideToggle(target) { + target.classList.toggle("active"); +} + +/** + * toggle traceback types on click. + */ +function addToggleTraceTypesOnClick(elements) { + for (let i = 0; i < elements.length; i++) { + elements[i].addEventListener("click", () => { + document.querySelector("div.traceback").classList.toggle("hidden"); + document.querySelector("div.plain").classList.toggle("hidden"); + }); + elements[i].style.cursor = "pointer"; + document.querySelector("div.plain").classList.toggle("hidden"); + } +} + +function createConsole() { + const consoleNode = document.createElement("pre"); + consoleNode.classList.add("console"); + consoleNode.classList.add("active"); + return consoleNode; +} + +function createConsoleOutput() { + const output = document.createElement("div"); + output.classList.add("output"); + output.innerHTML = "[console ready]"; + return output; +} + +function createConsoleInputForm() { + const form = document.createElement("form"); + form.innerHTML = ">>> "; + return form; +} + +function createConsoleInput() { + const command = document.createElement("input"); + command.type = "text"; + command.setAttribute("autocomplete", "off"); + command.setAttribute("spellcheck", false); + command.setAttribute("autocapitalize", "off"); + command.setAttribute("autocorrect", "off"); + return command; +} + +function createIconForConsole() { + const img = document.createElement("img"); + img.setAttribute("src", "?__debugger__=yes&cmd=resource&f=console.png"); + img.setAttribute("title", "Open an interactive python shell in this frame"); + return img; +} + +function createExpansionButtonForConsole() { + const expansionButton = document.createElement("a"); + expansionButton.setAttribute("href", "#"); + expansionButton.setAttribute("class", "toggle"); + expansionButton.innerHTML = "  "; + return expansionButton; +} + +function createInteractiveConsole() { + const target = document.querySelector("div.console div.inner"); + while (target.firstChild) { + target.removeChild(target.firstChild); + } + openShell(null, target, 0); +} + +function handleConsoleSubmit(e, command, frameID) { + // Prevent page from refreshing. + e.preventDefault(); + + return new Promise((resolve) => { + // Get input command. + const cmd = command.value; + + // Setup GET request. + const urlPath = ""; + const params = { + __debugger__: "yes", + cmd: cmd, + frm: frameID, + s: SECRET, + }; + const paramString = Object.keys(params) + .map((key) => { + return "&" + encodeURIComponent(key) + "=" + encodeURIComponent(params[key]); + }) + .join(""); + + fetch(urlPath + "?" + paramString) + .then((res) => { + return res.text(); + }) + .then((data) => { + const tmp = document.createElement("div"); + tmp.innerHTML = data; + resolve(tmp); + + // Handle expandable span for long list outputs. + // Example to test: list(range(13)) + let wrapperAdded = false; + const wrapperSpan = document.createElement("span"); + const expansionButton = createExpansionButtonForConsole(); + + tmp.querySelectorAll("span.extended").forEach((spanToWrap) => { + const parentDiv = spanToWrap.parentNode; + if (!wrapperAdded) { + parentDiv.insertBefore(wrapperSpan, spanToWrap); + wrapperAdded = true; + } + parentDiv.removeChild(spanToWrap); + wrapperSpan.append(spanToWrap); + spanToWrap.hidden = true; + + expansionButton.addEventListener("click", () => { + spanToWrap.hidden = !spanToWrap.hidden; + expansionButton.classList.toggle("open"); + return false; + }); + }); + + // Add expansion button at end of wrapper. + if (wrapperAdded) { + wrapperSpan.append(expansionButton); + } + }) + .catch((err) => { + console.error(err); + }); + return false; + }); +} + +function fadeOut(element) { + element.style.opacity = 1; + + (function fade() { + element.style.opacity -= 0.1; + if (element.style.opacity < 0) { + element.style.display = "none"; + } else { + requestAnimationFrame(fade); + } + })(); +} + +function fadeIn(element, display) { + element.style.opacity = 0; + element.style.display = display || "block"; + + (function fade() { + let val = parseFloat(element.style.opacity) + 0.1; + if (val <= 1) { + element.style.opacity = val; + requestAnimationFrame(fade); + } + })(); +} + +function docReady(fn) { + if (document.readyState === "complete" || document.readyState === "interactive") { + setTimeout(fn, 1); + } else { + document.addEventListener("DOMContentLoaded", fn); + } +} diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/less.png b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/less.png new file mode 100644 index 0000000..5efefd6 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/less.png differ diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/more.png b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/more.png new file mode 100644 index 0000000..804fa22 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/more.png differ diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/source.png b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/source.png new file mode 100644 index 0000000..f7ea904 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/source.png differ diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/style.css b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/style.css new file mode 100644 index 0000000..a45522d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/style.css @@ -0,0 +1,163 @@ +@font-face { + font-family: 'Ubuntu'; + font-style: normal; + font-weight: normal; + src: local('Ubuntu'), local('Ubuntu-Regular'), + url('?__debugger__=yes&cmd=resource&f=ubuntu.ttf') format('truetype'); +} + +body, input { font-family: 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', + 'Verdana', sans-serif; color: #000; text-align: center; + margin: 1em; padding: 0; font-size: 15px; } +h1, h2, h3 { font-family: 'Ubuntu', 'Lucida Grande', 'Lucida Sans Unicode', + 'Geneva', 'Verdana', sans-serif; font-weight: normal; } + +input { background-color: #fff; margin: 0; text-align: left; + outline: none !important; } +input[type="submit"] { padding: 3px 6px; } +a { color: #11557C; } +a:hover { color: #177199; } +pre, code, +textarea { font-family: 'Consolas', 'Monaco', 'Bitstream Vera Sans Mono', + monospace; font-size: 14px; } + +div.debugger { text-align: left; padding: 12px; margin: auto; + background-color: white; } +h1 { font-size: 36px; margin: 0 0 0.3em 0; } +div.detail { cursor: pointer; } +div.detail p { margin: 0 0 8px 13px; font-size: 14px; white-space: pre-wrap; + font-family: monospace; } +div.explanation { margin: 20px 13px; font-size: 15px; color: #555; } +div.footer { font-size: 13px; text-align: right; margin: 30px 0; + color: #86989B; } + +h2 { font-size: 16px; margin: 1.3em 0 0.0 0; padding: 9px; + background-color: #11557C; color: white; } +h2 em, h3 em { font-style: normal; color: #A5D6D9; font-weight: normal; } + +div.traceback, div.plain { border: 1px solid #ddd; margin: 0 0 1em 0; padding: 10px; } +div.plain p { margin: 0; } +div.plain textarea, +div.plain pre { margin: 10px 0 0 0; padding: 4px; + background-color: #E8EFF0; border: 1px solid #D3E7E9; } +div.plain textarea { width: 99%; height: 300px; } +div.traceback h3 { font-size: 1em; margin: 0 0 0.8em 0; } +div.traceback ul { list-style: none; margin: 0; padding: 0 0 0 1em; } +div.traceback h4 { font-size: 13px; font-weight: normal; margin: 0.7em 0 0.1em 0; } +div.traceback pre { margin: 0; padding: 5px 0 3px 15px; + background-color: #E8EFF0; border: 1px solid #D3E7E9; } +div.traceback .library .current { background: white; color: #555; } +div.traceback .expanded .current { background: #E8EFF0; color: black; } +div.traceback pre:hover { background-color: #DDECEE; color: black; cursor: pointer; } +div.traceback div.source.expanded pre + pre { border-top: none; } + +div.traceback span.ws { display: none; } +div.traceback pre.before, div.traceback pre.after { display: none; background: white; } +div.traceback div.source.expanded pre.before, +div.traceback div.source.expanded pre.after { + display: block; +} + +div.traceback div.source.expanded span.ws { + display: inline; +} + +div.traceback blockquote { margin: 1em 0 0 0; padding: 0; white-space: pre-line; } +div.traceback img { float: right; padding: 2px; margin: -3px 2px 0 0; display: none; } +div.traceback img:hover { background-color: #ddd; cursor: pointer; + border-color: #BFDDE0; } +div.traceback pre:hover img { display: block; } +div.traceback cite.filename { font-style: normal; color: #3B666B; } + +pre.console { border: 1px solid #ccc; background: white!important; + color: black; padding: 5px!important; + margin: 3px 0 0 0!important; cursor: default!important; + max-height: 400px; overflow: auto; } +pre.console form { color: #555; } +pre.console input { background-color: transparent; color: #555; + width: 90%; font-family: 'Consolas', 'Deja Vu Sans Mono', + 'Bitstream Vera Sans Mono', monospace; font-size: 14px; + border: none!important; } + +span.string { color: #30799B; } +span.number { color: #9C1A1C; } +span.help { color: #3A7734; } +span.object { color: #485F6E; } +span.extended { opacity: 0.5; } +span.extended:hover { opacity: 1; } +a.toggle { text-decoration: none; background-repeat: no-repeat; + background-position: center center; + background-image: url(?__debugger__=yes&cmd=resource&f=more.png); } +a.toggle:hover { background-color: #444; } +a.open { background-image: url(?__debugger__=yes&cmd=resource&f=less.png); } + +pre.console div.traceback, +pre.console div.box { margin: 5px 10px; white-space: normal; + border: 1px solid #11557C; padding: 10px; + font-family: 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva', + 'Verdana', sans-serif; } +pre.console div.box h3, +pre.console div.traceback h3 { margin: -10px -10px 10px -10px; padding: 5px; + background: #11557C; color: white; } + +pre.console div.traceback pre:hover { cursor: default; background: #E8EFF0; } +pre.console div.traceback pre.syntaxerror { background: inherit; border: none; + margin: 20px -10px -10px -10px; + padding: 10px; border-top: 1px solid #BFDDE0; + background: #E8EFF0; } +pre.console div.noframe-traceback pre.syntaxerror { margin-top: -10px; border: none; } + +pre.console div.box pre.repr { padding: 0; margin: 0; background-color: white; border: none; } +pre.console div.box table { margin-top: 6px; } +pre.console div.box pre { border: none; } +pre.console div.box pre.help { background-color: white; } +pre.console div.box pre.help:hover { cursor: default; } +pre.console table tr { vertical-align: top; } +div.console { border: 1px solid #ccc; padding: 4px; background-color: #fafafa; } + +div.traceback pre, div.console pre { + white-space: pre-wrap; /* css-3 should we be so lucky... */ + white-space: -moz-pre-wrap; /* Mozilla, since 1999 */ + white-space: -pre-wrap; /* Opera 4-6 ?? */ + white-space: -o-pre-wrap; /* Opera 7 ?? */ + word-wrap: break-word; /* Internet Explorer 5.5+ */ + _white-space: pre; /* IE only hack to re-specify in + addition to word-wrap */ +} + + +div.pin-prompt { + position: absolute; + display: none; + top: 0; + bottom: 0; + left: 0; + right: 0; + background: rgba(255, 255, 255, 0.8); +} + +div.pin-prompt .inner { + background: #eee; + padding: 10px 50px; + width: 350px; + margin: 10% auto 0 auto; + border: 1px solid #ccc; + border-radius: 2px; +} + +div.exc-divider { + margin: 0.7em 0 0 -1em; + padding: 0.5em; + background: #11557C; + color: #ddd; + border: 1px solid #ddd; +} + +.console.active { + max-height: 0!important; + display: none; +} + +.hidden { + display: none; +} diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ubuntu.ttf b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ubuntu.ttf new file mode 100644 index 0000000..8079f93 Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/shared/ubuntu.ttf differ diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/tbtools.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/tbtools.py new file mode 100644 index 0000000..75b4cd2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/debug/tbtools.py @@ -0,0 +1,595 @@ +import codecs +import inspect +import os +import re +import sys +import sysconfig +import traceback +import typing as t +from html import escape +from tokenize import TokenError +from types import CodeType +from types import TracebackType + +from .._internal import _to_str +from ..filesystem import get_filesystem_encoding +from ..utils import cached_property +from .console import Console + +_coding_re = re.compile(br"coding[:=]\s*([-\w.]+)") +_line_re = re.compile(br"^(.*?)$", re.MULTILINE) +_funcdef_re = re.compile(r"^(\s*def\s)|(.*(? + + + %(title)s // Werkzeug Debugger + + + + + + + +
    +""" +FOOTER = """\ +
    + Brought to you by DON'T PANIC, your + friendly Werkzeug powered traceback interpreter. +
    +
    + +
    +
    +

    Console Locked

    +

    + The console is locked and needs to be unlocked by entering the PIN. + You can find the PIN printed out on the standard output of your + shell that runs the server. +

    +

    PIN: + + +

    +
    +
    + + +""" + +PAGE_HTML = ( + HEADER + + """\ +

    %(exception_type)s

    +
    +

    %(exception)s

    +
    +

    Traceback (most recent call last)

    +%(summary)s +
    +

    + This is the Copy/Paste friendly version of the traceback. +

    + +
    +
    + The debugger caught an exception in your WSGI application. You can now + look at the traceback which led to the error. + If you enable JavaScript you can also use additional features such as code + execution (if the evalex feature is enabled), automatic pasting of the + exceptions and much more. +
    +""" + + FOOTER + + """ + +""" +) + +CONSOLE_HTML = ( + HEADER + + """\ +

    Interactive Console

    +
    +In this console you can execute Python expressions in the context of the +application. The initial namespace was created by the debugger automatically. +
    +
    The Console requires JavaScript.
    +""" + + FOOTER +) + +SUMMARY_HTML = """\ +
    + %(title)s +
      %(frames)s
    + %(description)s +
    +""" + +FRAME_HTML = """\ +
    +

    File "%(filename)s", + line %(lineno)s, + in %(function_name)s

    +
    %(lines)s
    +
    +""" + +SOURCE_LINE_HTML = """\ + + %(lineno)s + %(code)s + +""" + + +def render_console_html(secret: str, evalex_trusted: bool = True) -> str: + return CONSOLE_HTML % { + "evalex": "true", + "evalex_trusted": "true" if evalex_trusted else "false", + "console": "true", + "title": "Console", + "secret": secret, + "traceback_id": -1, + } + + +def get_current_traceback( + ignore_system_exceptions: bool = False, + show_hidden_frames: bool = False, + skip: int = 0, +) -> "Traceback": + """Get the current exception info as `Traceback` object. Per default + calling this method will reraise system exceptions such as generator exit, + system exit or others. This behavior can be disabled by passing `False` + to the function as first parameter. + """ + info = t.cast( + t.Tuple[t.Type[BaseException], BaseException, TracebackType], sys.exc_info() + ) + exc_type, exc_value, tb = info + + if ignore_system_exceptions and exc_type in { + SystemExit, + KeyboardInterrupt, + GeneratorExit, + }: + raise + for _ in range(skip): + if tb.tb_next is None: + break + tb = tb.tb_next + tb = Traceback(exc_type, exc_value, tb) + if not show_hidden_frames: + tb.filter_hidden_frames() + return tb + + +class Line: + """Helper for the source renderer.""" + + __slots__ = ("lineno", "code", "in_frame", "current") + + def __init__(self, lineno: int, code: str) -> None: + self.lineno = lineno + self.code = code + self.in_frame = False + self.current = False + + @property + def classes(self) -> t.List[str]: + rv = ["line"] + if self.in_frame: + rv.append("in-frame") + if self.current: + rv.append("current") + return rv + + def render(self) -> str: + return SOURCE_LINE_HTML % { + "classes": " ".join(self.classes), + "lineno": self.lineno, + "code": escape(self.code), + } + + +class Traceback: + """Wraps a traceback.""" + + def __init__( + self, + exc_type: t.Type[BaseException], + exc_value: BaseException, + tb: TracebackType, + ) -> None: + self.exc_type = exc_type + self.exc_value = exc_value + self.tb = tb + + exception_type = exc_type.__name__ + if exc_type.__module__ not in {"builtins", "__builtin__", "exceptions"}: + exception_type = f"{exc_type.__module__}.{exception_type}" + self.exception_type = exception_type + + self.groups = [] + memo = set() + while True: + self.groups.append(Group(exc_type, exc_value, tb)) + memo.add(id(exc_value)) + exc_value = exc_value.__cause__ or exc_value.__context__ # type: ignore + if exc_value is None or id(exc_value) in memo: + break + exc_type = type(exc_value) + tb = exc_value.__traceback__ # type: ignore + self.groups.reverse() + self.frames = [frame for group in self.groups for frame in group.frames] + + def filter_hidden_frames(self) -> None: + """Remove the frames according to the paste spec.""" + for group in self.groups: + group.filter_hidden_frames() + + self.frames[:] = [frame for group in self.groups for frame in group.frames] + + @property + def is_syntax_error(self) -> bool: + """Is it a syntax error?""" + return isinstance(self.exc_value, SyntaxError) + + @property + def exception(self) -> str: + """String representation of the final exception.""" + return self.groups[-1].exception + + def log(self, logfile: t.Optional[t.TextIO] = None) -> None: + """Log the ASCII traceback into a file object.""" + if logfile is None: + logfile = sys.stderr + tb = f"{self.plaintext.rstrip()}\n" + logfile.write(tb) + + def render_summary(self, include_title: bool = True) -> str: + """Render the traceback for the interactive console.""" + title = "" + classes = ["traceback"] + if not self.frames: + classes.append("noframe-traceback") + frames = [] + else: + library_frames = sum(frame.is_library for frame in self.frames) + mark_lib = 0 < library_frames < len(self.frames) + frames = [group.render(mark_lib=mark_lib) for group in self.groups] + + if include_title: + if self.is_syntax_error: + title = "Syntax Error" + else: + title = "Traceback (most recent call last):" + + if self.is_syntax_error: + description = f"
    {escape(self.exception)}
    " + else: + description = f"
    {escape(self.exception)}
    " + + return SUMMARY_HTML % { + "classes": " ".join(classes), + "title": f"

    {title if title else ''}

    ", + "frames": "\n".join(frames), + "description": description, + } + + def render_full( + self, + evalex: bool = False, + secret: t.Optional[str] = None, + evalex_trusted: bool = True, + ) -> str: + """Render the Full HTML page with the traceback info.""" + exc = escape(self.exception) + return PAGE_HTML % { + "evalex": "true" if evalex else "false", + "evalex_trusted": "true" if evalex_trusted else "false", + "console": "false", + "title": exc, + "exception": exc, + "exception_type": escape(self.exception_type), + "summary": self.render_summary(include_title=False), + "plaintext": escape(self.plaintext), + "plaintext_cs": re.sub("-{2,}", "-", self.plaintext), + "traceback_id": self.id, + "secret": secret, + } + + @cached_property + def plaintext(self) -> str: + return "\n".join([group.render_text() for group in self.groups]) + + @property + def id(self) -> int: + return id(self) + + +class Group: + """A group of frames for an exception in a traceback. If the + exception has a ``__cause__`` or ``__context__``, there are multiple + exception groups. + """ + + def __init__( + self, + exc_type: t.Type[BaseException], + exc_value: BaseException, + tb: TracebackType, + ) -> None: + self.exc_type = exc_type + self.exc_value = exc_value + self.info = None + if exc_value.__cause__ is not None: + self.info = ( + "The above exception was the direct cause of the following exception" + ) + elif exc_value.__context__ is not None: + self.info = ( + "During handling of the above exception, another exception occurred" + ) + + self.frames = [] + while tb is not None: + self.frames.append(Frame(exc_type, exc_value, tb)) + tb = tb.tb_next # type: ignore + + def filter_hidden_frames(self) -> None: + new_frames: t.List[Frame] = [] + hidden = False + + for frame in self.frames: + hide = frame.hide + if hide in ("before", "before_and_this"): + new_frames = [] + hidden = False + if hide == "before_and_this": + continue + elif hide in ("reset", "reset_and_this"): + hidden = False + if hide == "reset_and_this": + continue + elif hide in ("after", "after_and_this"): + hidden = True + if hide == "after_and_this": + continue + elif hide or hidden: + continue + new_frames.append(frame) + + # if we only have one frame and that frame is from the codeop + # module, remove it. + if len(new_frames) == 1 and self.frames[0].module == "codeop": + del self.frames[:] + + # if the last frame is missing something went terrible wrong :( + elif self.frames[-1] in new_frames: + self.frames[:] = new_frames + + @property + def exception(self) -> str: + """String representation of the exception.""" + buf = traceback.format_exception_only(self.exc_type, self.exc_value) + rv = "".join(buf).strip() + return _to_str(rv, "utf-8", "replace") + + def render(self, mark_lib: bool = True) -> str: + out = [] + if self.info is not None: + out.append(f'
  • {self.info}:
    ') + for frame in self.frames: + title = f' title="{escape(frame.info)}"' if frame.info else "" + out.append(f"{frame.render(mark_lib=mark_lib)}") + return "\n".join(out) + + def render_text(self) -> str: + out = [] + if self.info is not None: + out.append(f"\n{self.info}:\n") + out.append("Traceback (most recent call last):") + for frame in self.frames: + out.append(frame.render_text()) + out.append(self.exception) + return "\n".join(out) + + +class Frame: + """A single frame in a traceback.""" + + def __init__( + self, + exc_type: t.Type[BaseException], + exc_value: BaseException, + tb: TracebackType, + ) -> None: + self.lineno = tb.tb_lineno + self.function_name = tb.tb_frame.f_code.co_name + self.locals = tb.tb_frame.f_locals + self.globals = tb.tb_frame.f_globals + + fn = inspect.getsourcefile(tb) or inspect.getfile(tb) + if fn[-4:] in (".pyo", ".pyc"): + fn = fn[:-1] + # if it's a file on the file system resolve the real filename. + if os.path.isfile(fn): + fn = os.path.realpath(fn) + self.filename = _to_str(fn, get_filesystem_encoding()) + self.module = self.globals.get("__name__", self.locals.get("__name__")) + self.loader = self.globals.get("__loader__", self.locals.get("__loader__")) + self.code = tb.tb_frame.f_code + + # support for paste's traceback extensions + self.hide = self.locals.get("__traceback_hide__", False) + info = self.locals.get("__traceback_info__") + if info is not None: + info = _to_str(info, "utf-8", "replace") + self.info = info + + def render(self, mark_lib: bool = True) -> str: + """Render a single frame in a traceback.""" + return FRAME_HTML % { + "id": self.id, + "filename": escape(self.filename), + "lineno": self.lineno, + "function_name": escape(self.function_name), + "lines": self.render_line_context(), + "library": "library" if mark_lib and self.is_library else "", + } + + @cached_property + def is_library(self) -> bool: + return any( + self.filename.startswith(os.path.realpath(path)) + for path in sysconfig.get_paths().values() + ) + + def render_text(self) -> str: + return ( + f' File "{self.filename}", line {self.lineno}, in {self.function_name}\n' + f" {self.current_line.strip()}" + ) + + def render_line_context(self) -> str: + before, current, after = self.get_context_lines() + rv = [] + + def render_line(line: str, cls: str) -> None: + line = line.expandtabs().rstrip() + stripped_line = line.strip() + prefix = len(line) - len(stripped_line) + rv.append( + f'
    {" " * prefix}'
+                f"{escape(stripped_line) if stripped_line else ' '}
    " + ) + + for line in before: + render_line(line, "before") + render_line(current, "current") + for line in after: + render_line(line, "after") + + return "\n".join(rv) + + def get_annotated_lines(self) -> t.List[Line]: + """Helper function that returns lines with extra information.""" + lines = [Line(idx + 1, x) for idx, x in enumerate(self.sourcelines)] + + # find function definition and mark lines + if hasattr(self.code, "co_firstlineno"): + lineno = self.code.co_firstlineno - 1 + while lineno > 0: + if _funcdef_re.match(lines[lineno].code): + break + lineno -= 1 + try: + offset = len(inspect.getblock([f"{x.code}\n" for x in lines[lineno:]])) + except TokenError: + offset = 0 + for line in lines[lineno : lineno + offset]: + line.in_frame = True + + # mark current line + try: + lines[self.lineno - 1].current = True + except IndexError: + pass + + return lines + + def eval(self, code: t.Union[str, CodeType], mode: str = "single") -> t.Any: + """Evaluate code in the context of the frame.""" + if isinstance(code, str): + code = compile(code, "", mode) + return eval(code, self.globals, self.locals) + + @cached_property + def sourcelines(self) -> t.List[str]: + """The sourcecode of the file as list of strings.""" + # get sourcecode from loader or file + source = None + if self.loader is not None: + try: + if hasattr(self.loader, "get_source"): + source = self.loader.get_source(self.module) + elif hasattr(self.loader, "get_source_by_code"): + source = self.loader.get_source_by_code(self.code) + except Exception: + # we munch the exception so that we don't cause troubles + # if the loader is broken. + pass + + if source is None: + try: + with open(self.filename, mode="rb") as f: + source = f.read() + except OSError: + return [] + + # already str? return right away + if isinstance(source, str): + return source.splitlines() + + charset = "utf-8" + if source.startswith(codecs.BOM_UTF8): + source = source[3:] + else: + for idx, match in enumerate(_line_re.finditer(source)): + coding_match = _coding_re.search(match.group()) + if coding_match is not None: + charset = coding_match.group(1).decode("utf-8") + break + if idx > 1: + break + + # on broken cookies we fall back to utf-8 too + charset = _to_str(charset) + try: + codecs.lookup(charset) + except LookupError: + charset = "utf-8" + + return source.decode(charset, "replace").splitlines() + + def get_context_lines( + self, context: int = 5 + ) -> t.Tuple[t.List[str], str, t.List[str]]: + before = self.sourcelines[self.lineno - context - 1 : self.lineno - 1] + past = self.sourcelines[self.lineno : self.lineno + context] + return (before, self.current_line, past) + + @property + def current_line(self) -> str: + try: + return self.sourcelines[self.lineno - 1] + except IndexError: + return "" + + @cached_property + def console(self) -> Console: + return Console(self.globals, self.locals) + + @property + def id(self) -> int: + return id(self) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/exceptions.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/exceptions.py new file mode 100644 index 0000000..16c3964 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/exceptions.py @@ -0,0 +1,943 @@ +"""Implements a number of Python exceptions which can be raised from within +a view to trigger a standard HTTP non-200 response. + +Usage Example +------------- + +.. code-block:: python + + from werkzeug.wrappers.request import Request + from werkzeug.exceptions import HTTPException, NotFound + + def view(request): + raise NotFound() + + @Request.application + def application(request): + try: + return view(request) + except HTTPException as e: + return e + +As you can see from this example those exceptions are callable WSGI +applications. However, they are not Werkzeug response objects. You +can get a response object by calling ``get_response()`` on a HTTP +exception. + +Keep in mind that you may have to pass an environ (WSGI) or scope +(ASGI) to ``get_response()`` because some errors fetch additional +information relating to the request. + +If you want to hook in a different exception page to say, a 404 status +code, you can add a second except for a specific subclass of an error: + +.. code-block:: python + + @Request.application + def application(request): + try: + return view(request) + except NotFound as e: + return not_found(request) + except HTTPException as e: + return e + +""" +import sys +import typing as t +import warnings +from datetime import datetime +from html import escape + +from ._internal import _get_environ + +if t.TYPE_CHECKING: + import typing_extensions as te + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIEnvironment + from .datastructures import WWWAuthenticate + from .sansio.response import Response + from .wrappers.response import Response as WSGIResponse # noqa: F401 + + +class HTTPException(Exception): + """The base class for all HTTP exceptions. This exception can be called as a WSGI + application to render a default error page or you can catch the subclasses + of it independently and render nicer error messages. + """ + + code: t.Optional[int] = None + description: t.Optional[str] = None + + def __init__( + self, + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + ) -> None: + super().__init__() + if description is not None: + self.description = description + self.response = response + + @classmethod + def wrap( + cls, exception: t.Type[BaseException], name: t.Optional[str] = None + ) -> t.Type["HTTPException"]: + """Create an exception that is a subclass of the calling HTTP + exception and the ``exception`` argument. + + The first argument to the class will be passed to the + wrapped ``exception``, the rest to the HTTP exception. If + ``e.args`` is not empty and ``e.show_exception`` is ``True``, + the wrapped exception message is added to the HTTP error + description. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Create a subclass manually + instead. + + .. versionchanged:: 0.15.5 + The ``show_exception`` attribute controls whether the + description includes the wrapped exception message. + + .. versionchanged:: 0.15.0 + The description includes the wrapped exception message. + """ + warnings.warn( + "'HTTPException.wrap' is deprecated and will be removed in" + " Werkzeug 2.1. Create a subclass manually instead.", + DeprecationWarning, + stacklevel=2, + ) + + class newcls(cls, exception): # type: ignore + _description = cls.description + show_exception = False + + def __init__( + self, arg: t.Optional[t.Any] = None, *args: t.Any, **kwargs: t.Any + ) -> None: + super().__init__(*args, **kwargs) + + if arg is None: + exception.__init__(self) + else: + exception.__init__(self, arg) + + @property + def description(self) -> str: + if self.show_exception: + return ( + f"{self._description}\n" + f"{exception.__name__}: {exception.__str__(self)}" + ) + + return self._description # type: ignore + + @description.setter + def description(self, value: str) -> None: + self._description = value + + newcls.__module__ = sys._getframe(1).f_globals["__name__"] + name = name or cls.__name__ + exception.__name__ + newcls.__name__ = newcls.__qualname__ = name + return newcls + + @property + def name(self) -> str: + """The status name.""" + from .http import HTTP_STATUS_CODES + + return HTTP_STATUS_CODES.get(self.code, "Unknown Error") # type: ignore + + def get_description( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> str: + """Get the description.""" + if self.description is None: + description = "" + elif not isinstance(self.description, str): + description = str(self.description) + else: + description = self.description + + description = escape(description).replace("\n", "
    ") + return f"

    {description}

    " + + def get_body( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> str: + """Get the HTML body.""" + return ( + '\n' + f"{self.code} {escape(self.name)}\n" + f"

    {escape(self.name)}

    \n" + f"{self.get_description(environ)}\n" + ) + + def get_headers( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> t.List[t.Tuple[str, str]]: + """Get a list of headers.""" + return [("Content-Type", "text/html; charset=utf-8")] + + def get_response( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> "Response": + """Get a response object. If one was passed to the exception + it's returned directly. + + :param environ: the optional environ for the request. This + can be used to modify the response depending + on how the request looked like. + :return: a :class:`Response` object or a subclass thereof. + """ + from .wrappers.response import Response as WSGIResponse # noqa: F811 + + if self.response is not None: + return self.response + if environ is not None: + environ = _get_environ(environ) + headers = self.get_headers(environ, scope) + return WSGIResponse(self.get_body(environ, scope), self.code, headers) + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + """Call the exception as WSGI application. + + :param environ: the WSGI environment. + :param start_response: the response callable provided by the WSGI + server. + """ + response = t.cast("WSGIResponse", self.get_response(environ)) + return response(environ, start_response) + + def __str__(self) -> str: + code = self.code if self.code is not None else "???" + return f"{code} {self.name}: {self.description}" + + def __repr__(self) -> str: + code = self.code if self.code is not None else "???" + return f"<{type(self).__name__} '{code}: {self.name}'>" + + +class BadRequest(HTTPException): + """*400* `Bad Request` + + Raise if the browser sends something to the application the application + or server cannot handle. + """ + + code = 400 + description = ( + "The browser (or proxy) sent a request that this server could " + "not understand." + ) + + +class BadRequestKeyError(BadRequest, KeyError): + """An exception that is used to signal both a :exc:`KeyError` and a + :exc:`BadRequest`. Used by many of the datastructures. + """ + + _description = BadRequest.description + #: Show the KeyError along with the HTTP error message in the + #: response. This should be disabled in production, but can be + #: useful in a debug mode. + show_exception = False + + def __init__(self, arg: t.Optional[str] = None, *args: t.Any, **kwargs: t.Any): + super().__init__(*args, **kwargs) + + if arg is None: + KeyError.__init__(self) + else: + KeyError.__init__(self, arg) + + @property # type: ignore + def description(self) -> str: # type: ignore + if self.show_exception: + return ( + f"{self._description}\n" + f"{KeyError.__name__}: {KeyError.__str__(self)}" + ) + + return self._description + + @description.setter + def description(self, value: str) -> None: + self._description = value + + +class ClientDisconnected(BadRequest): + """Internal exception that is raised if Werkzeug detects a disconnected + client. Since the client is already gone at that point attempting to + send the error message to the client might not work and might ultimately + result in another exception in the server. Mainly this is here so that + it is silenced by default as far as Werkzeug is concerned. + + Since disconnections cannot be reliably detected and are unspecified + by WSGI to a large extent this might or might not be raised if a client + is gone. + + .. versionadded:: 0.8 + """ + + +class SecurityError(BadRequest): + """Raised if something triggers a security error. This is otherwise + exactly like a bad request error. + + .. versionadded:: 0.9 + """ + + +class BadHost(BadRequest): + """Raised if the submitted host is badly formatted. + + .. versionadded:: 0.11.2 + """ + + +class Unauthorized(HTTPException): + """*401* ``Unauthorized`` + + Raise if the user is not authorized to access a resource. + + The ``www_authenticate`` argument should be used to set the + ``WWW-Authenticate`` header. This is used for HTTP basic auth and + other schemes. Use :class:`~werkzeug.datastructures.WWWAuthenticate` + to create correctly formatted values. Strictly speaking a 401 + response is invalid if it doesn't provide at least one value for + this header, although real clients typically don't care. + + :param description: Override the default message used for the body + of the response. + :param www-authenticate: A single value, or list of values, for the + WWW-Authenticate header(s). + + .. versionchanged:: 2.0 + Serialize multiple ``www_authenticate`` items into multiple + ``WWW-Authenticate`` headers, rather than joining them + into a single value, for better interoperability. + + .. versionchanged:: 0.15.3 + If the ``www_authenticate`` argument is not set, the + ``WWW-Authenticate`` header is not set. + + .. versionchanged:: 0.15.3 + The ``response`` argument was restored. + + .. versionchanged:: 0.15.1 + ``description`` was moved back as the first argument, restoring + its previous position. + + .. versionchanged:: 0.15.0 + ``www_authenticate`` was added as the first argument, ahead of + ``description``. + """ + + code = 401 + description = ( + "The server could not verify that you are authorized to access" + " the URL requested. You either supplied the wrong credentials" + " (e.g. a bad password), or your browser doesn't understand" + " how to supply the credentials required." + ) + + def __init__( + self, + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + www_authenticate: t.Optional[ + t.Union["WWWAuthenticate", t.Iterable["WWWAuthenticate"]] + ] = None, + ) -> None: + super().__init__(description, response) + + from .datastructures import WWWAuthenticate + + if isinstance(www_authenticate, WWWAuthenticate): + www_authenticate = (www_authenticate,) + + self.www_authenticate = www_authenticate + + def get_headers( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> t.List[t.Tuple[str, str]]: + headers = super().get_headers(environ, scope) + if self.www_authenticate: + headers.extend(("WWW-Authenticate", str(x)) for x in self.www_authenticate) + return headers + + +class Forbidden(HTTPException): + """*403* `Forbidden` + + Raise if the user doesn't have the permission for the requested resource + but was authenticated. + """ + + code = 403 + description = ( + "You don't have the permission to access the requested" + " resource. It is either read-protected or not readable by the" + " server." + ) + + +class NotFound(HTTPException): + """*404* `Not Found` + + Raise if a resource does not exist and never existed. + """ + + code = 404 + description = ( + "The requested URL was not found on the server. If you entered" + " the URL manually please check your spelling and try again." + ) + + +class MethodNotAllowed(HTTPException): + """*405* `Method Not Allowed` + + Raise if the server used a method the resource does not handle. For + example `POST` if the resource is view only. Especially useful for REST. + + The first argument for this exception should be a list of allowed methods. + Strictly speaking the response would be invalid if you don't provide valid + methods in the header which you can do with that list. + """ + + code = 405 + description = "The method is not allowed for the requested URL." + + def __init__( + self, + valid_methods: t.Optional[t.Iterable[str]] = None, + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + ) -> None: + """Takes an optional list of valid http methods + starting with werkzeug 0.3 the list will be mandatory.""" + super().__init__(description=description, response=response) + self.valid_methods = valid_methods + + def get_headers( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> t.List[t.Tuple[str, str]]: + headers = super().get_headers(environ, scope) + if self.valid_methods: + headers.append(("Allow", ", ".join(self.valid_methods))) + return headers + + +class NotAcceptable(HTTPException): + """*406* `Not Acceptable` + + Raise if the server can't return any content conforming to the + `Accept` headers of the client. + """ + + code = 406 + description = ( + "The resource identified by the request is only capable of" + " generating response entities which have content" + " characteristics not acceptable according to the accept" + " headers sent in the request." + ) + + +class RequestTimeout(HTTPException): + """*408* `Request Timeout` + + Raise to signalize a timeout. + """ + + code = 408 + description = ( + "The server closed the network connection because the browser" + " didn't finish the request within the specified time." + ) + + +class Conflict(HTTPException): + """*409* `Conflict` + + Raise to signal that a request cannot be completed because it conflicts + with the current state on the server. + + .. versionadded:: 0.7 + """ + + code = 409 + description = ( + "A conflict happened while processing the request. The" + " resource might have been modified while the request was being" + " processed." + ) + + +class Gone(HTTPException): + """*410* `Gone` + + Raise if a resource existed previously and went away without new location. + """ + + code = 410 + description = ( + "The requested URL is no longer available on this server and" + " there is no forwarding address. If you followed a link from a" + " foreign page, please contact the author of this page." + ) + + +class LengthRequired(HTTPException): + """*411* `Length Required` + + Raise if the browser submitted data but no ``Content-Length`` header which + is required for the kind of processing the server does. + """ + + code = 411 + description = ( + "A request with this method requires a valid Content-" + "Length header." + ) + + +class PreconditionFailed(HTTPException): + """*412* `Precondition Failed` + + Status code used in combination with ``If-Match``, ``If-None-Match``, or + ``If-Unmodified-Since``. + """ + + code = 412 + description = ( + "The precondition on the request for the URL failed positive evaluation." + ) + + +class RequestEntityTooLarge(HTTPException): + """*413* `Request Entity Too Large` + + The status code one should return if the data submitted exceeded a given + limit. + """ + + code = 413 + description = "The data value transmitted exceeds the capacity limit." + + +class RequestURITooLarge(HTTPException): + """*414* `Request URI Too Large` + + Like *413* but for too long URLs. + """ + + code = 414 + description = ( + "The length of the requested URL exceeds the capacity limit for" + " this server. The request cannot be processed." + ) + + +class UnsupportedMediaType(HTTPException): + """*415* `Unsupported Media Type` + + The status code returned if the server is unable to handle the media type + the client transmitted. + """ + + code = 415 + description = ( + "The server does not support the media type transmitted in the request." + ) + + +class RequestedRangeNotSatisfiable(HTTPException): + """*416* `Requested Range Not Satisfiable` + + The client asked for an invalid part of the file. + + .. versionadded:: 0.7 + """ + + code = 416 + description = "The server cannot provide the requested range." + + def __init__( + self, + length: t.Optional[int] = None, + units: str = "bytes", + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + ) -> None: + """Takes an optional `Content-Range` header value based on ``length`` + parameter. + """ + super().__init__(description=description, response=response) + self.length = length + self.units = units + + def get_headers( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> t.List[t.Tuple[str, str]]: + headers = super().get_headers(environ, scope) + if self.length is not None: + headers.append(("Content-Range", f"{self.units} */{self.length}")) + return headers + + +class ExpectationFailed(HTTPException): + """*417* `Expectation Failed` + + The server cannot meet the requirements of the Expect request-header. + + .. versionadded:: 0.7 + """ + + code = 417 + description = "The server could not meet the requirements of the Expect header" + + +class ImATeapot(HTTPException): + """*418* `I'm a teapot` + + The server should return this if it is a teapot and someone attempted + to brew coffee with it. + + .. versionadded:: 0.7 + """ + + code = 418 + description = "This server is a teapot, not a coffee machine" + + +class UnprocessableEntity(HTTPException): + """*422* `Unprocessable Entity` + + Used if the request is well formed, but the instructions are otherwise + incorrect. + """ + + code = 422 + description = ( + "The request was well-formed but was unable to be followed due" + " to semantic errors." + ) + + +class Locked(HTTPException): + """*423* `Locked` + + Used if the resource that is being accessed is locked. + """ + + code = 423 + description = "The resource that is being accessed is locked." + + +class FailedDependency(HTTPException): + """*424* `Failed Dependency` + + Used if the method could not be performed on the resource + because the requested action depended on another action and that action failed. + """ + + code = 424 + description = ( + "The method could not be performed on the resource because the" + " requested action depended on another action and that action" + " failed." + ) + + +class PreconditionRequired(HTTPException): + """*428* `Precondition Required` + + The server requires this request to be conditional, typically to prevent + the lost update problem, which is a race condition between two or more + clients attempting to update a resource through PUT or DELETE. By requiring + each client to include a conditional header ("If-Match" or "If-Unmodified- + Since") with the proper value retained from a recent GET request, the + server ensures that each client has at least seen the previous revision of + the resource. + """ + + code = 428 + description = ( + "This request is required to be conditional; try using" + ' "If-Match" or "If-Unmodified-Since".' + ) + + +class _RetryAfter(HTTPException): + """Adds an optional ``retry_after`` parameter which will set the + ``Retry-After`` header. May be an :class:`int` number of seconds or + a :class:`~datetime.datetime`. + """ + + def __init__( + self, + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + retry_after: t.Optional[t.Union[datetime, int]] = None, + ) -> None: + super().__init__(description, response) + self.retry_after = retry_after + + def get_headers( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> t.List[t.Tuple[str, str]]: + headers = super().get_headers(environ, scope) + + if self.retry_after: + if isinstance(self.retry_after, datetime): + from .http import http_date + + value = http_date(self.retry_after) + else: + value = str(self.retry_after) + + headers.append(("Retry-After", value)) + + return headers + + +class TooManyRequests(_RetryAfter): + """*429* `Too Many Requests` + + The server is limiting the rate at which this user receives + responses, and this request exceeds that rate. (The server may use + any convenient method to identify users and their request rates). + The server may include a "Retry-After" header to indicate how long + the user should wait before retrying. + + :param retry_after: If given, set the ``Retry-After`` header to this + value. May be an :class:`int` number of seconds or a + :class:`~datetime.datetime`. + + .. versionchanged:: 1.0 + Added ``retry_after`` parameter. + """ + + code = 429 + description = "This user has exceeded an allotted request count. Try again later." + + +class RequestHeaderFieldsTooLarge(HTTPException): + """*431* `Request Header Fields Too Large` + + The server refuses to process the request because the header fields are too + large. One or more individual fields may be too large, or the set of all + headers is too large. + """ + + code = 431 + description = "One or more header fields exceeds the maximum size." + + +class UnavailableForLegalReasons(HTTPException): + """*451* `Unavailable For Legal Reasons` + + This status code indicates that the server is denying access to the + resource as a consequence of a legal demand. + """ + + code = 451 + description = "Unavailable for legal reasons." + + +class InternalServerError(HTTPException): + """*500* `Internal Server Error` + + Raise if an internal server error occurred. This is a good fallback if an + unknown error occurred in the dispatcher. + + .. versionchanged:: 1.0.0 + Added the :attr:`original_exception` attribute. + """ + + code = 500 + description = ( + "The server encountered an internal error and was unable to" + " complete your request. Either the server is overloaded or" + " there is an error in the application." + ) + + def __init__( + self, + description: t.Optional[str] = None, + response: t.Optional["Response"] = None, + original_exception: t.Optional[BaseException] = None, + ) -> None: + #: The original exception that caused this 500 error. Can be + #: used by frameworks to provide context when handling + #: unexpected errors. + self.original_exception = original_exception + super().__init__(description=description, response=response) + + +class NotImplemented(HTTPException): + """*501* `Not Implemented` + + Raise if the application does not support the action requested by the + browser. + """ + + code = 501 + description = "The server does not support the action requested by the browser." + + +class BadGateway(HTTPException): + """*502* `Bad Gateway` + + If you do proxying in your application you should return this status code + if you received an invalid response from the upstream server it accessed + in attempting to fulfill the request. + """ + + code = 502 + description = ( + "The proxy server received an invalid response from an upstream server." + ) + + +class ServiceUnavailable(_RetryAfter): + """*503* `Service Unavailable` + + Status code you should return if a service is temporarily + unavailable. + + :param retry_after: If given, set the ``Retry-After`` header to this + value. May be an :class:`int` number of seconds or a + :class:`~datetime.datetime`. + + .. versionchanged:: 1.0 + Added ``retry_after`` parameter. + """ + + code = 503 + description = ( + "The server is temporarily unable to service your request due" + " to maintenance downtime or capacity problems. Please try" + " again later." + ) + + +class GatewayTimeout(HTTPException): + """*504* `Gateway Timeout` + + Status code you should return if a connection to an upstream server + times out. + """ + + code = 504 + description = "The connection to an upstream server timed out." + + +class HTTPVersionNotSupported(HTTPException): + """*505* `HTTP Version Not Supported` + + The server does not support the HTTP protocol version used in the request. + """ + + code = 505 + description = ( + "The server does not support the HTTP protocol version used in the request." + ) + + +default_exceptions: t.Dict[int, t.Type[HTTPException]] = {} + + +def _find_exceptions() -> None: + for obj in globals().values(): + try: + is_http_exception = issubclass(obj, HTTPException) + except TypeError: + is_http_exception = False + if not is_http_exception or obj.code is None: + continue + old_obj = default_exceptions.get(obj.code, None) + if old_obj is not None and issubclass(obj, old_obj): + continue + default_exceptions[obj.code] = obj + + +_find_exceptions() +del _find_exceptions + + +class Aborter: + """When passed a dict of code -> exception items it can be used as + callable that raises exceptions. If the first argument to the + callable is an integer it will be looked up in the mapping, if it's + a WSGI application it will be raised in a proxy exception. + + The rest of the arguments are forwarded to the exception constructor. + """ + + def __init__( + self, + mapping: t.Optional[t.Dict[int, t.Type[HTTPException]]] = None, + extra: t.Optional[t.Dict[int, t.Type[HTTPException]]] = None, + ) -> None: + if mapping is None: + mapping = default_exceptions + self.mapping = dict(mapping) + if extra is not None: + self.mapping.update(extra) + + def __call__( + self, code: t.Union[int, "Response"], *args: t.Any, **kwargs: t.Any + ) -> "te.NoReturn": + from .sansio.response import Response + + if isinstance(code, Response): + raise HTTPException(response=code) + + if code not in self.mapping: + raise LookupError(f"no exception for {code!r}") + + raise self.mapping[code](*args, **kwargs) + + +def abort( + status: t.Union[int, "Response"], *args: t.Any, **kwargs: t.Any +) -> "te.NoReturn": + """Raises an :py:exc:`HTTPException` for the given status code or WSGI + application. + + If a status code is given, it will be looked up in the list of + exceptions and will raise that exception. If passed a WSGI application, + it will wrap it in a proxy WSGI exception and raise that:: + + abort(404) # 404 Not Found + abort(Response('Hello World')) + + """ + _aborter(status, *args, **kwargs) + + +_aborter: Aborter = Aborter() diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/filesystem.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/filesystem.py new file mode 100644 index 0000000..36a3d12 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/filesystem.py @@ -0,0 +1,55 @@ +import codecs +import sys +import typing as t +import warnings + +# We do not trust traditional unixes. +has_likely_buggy_unicode_filesystem = ( + sys.platform.startswith("linux") or "bsd" in sys.platform +) + + +def _is_ascii_encoding(encoding: t.Optional[str]) -> bool: + """Given an encoding this figures out if the encoding is actually ASCII (which + is something we don't actually want in most cases). This is necessary + because ASCII comes under many names such as ANSI_X3.4-1968. + """ + if encoding is None: + return False + try: + return codecs.lookup(encoding).name == "ascii" + except LookupError: + return False + + +class BrokenFilesystemWarning(RuntimeWarning, UnicodeWarning): + """The warning used by Werkzeug to signal a broken filesystem. Will only be + used once per runtime.""" + + +_warned_about_filesystem_encoding = False + + +def get_filesystem_encoding() -> str: + """Returns the filesystem encoding that should be used. Note that this is + different from the Python understanding of the filesystem encoding which + might be deeply flawed. Do not use this value against Python's string APIs + because it might be different. See :ref:`filesystem-encoding` for the exact + behavior. + + The concept of a filesystem encoding in generally is not something you + should rely on. As such if you ever need to use this function except for + writing wrapper code reconsider. + """ + global _warned_about_filesystem_encoding + rv = sys.getfilesystemencoding() + if has_likely_buggy_unicode_filesystem and not rv or _is_ascii_encoding(rv): + if not _warned_about_filesystem_encoding: + warnings.warn( + "Detected a misconfigured UNIX filesystem: Will use" + f" UTF-8 as filesystem encoding instead of {rv!r}", + BrokenFilesystemWarning, + ) + _warned_about_filesystem_encoding = True + return "utf-8" + return rv diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/formparser.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/formparser.py new file mode 100644 index 0000000..2dcb709 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/formparser.py @@ -0,0 +1,495 @@ +import typing as t +import warnings +from functools import update_wrapper +from io import BytesIO +from itertools import chain +from typing import Union + +from . import exceptions +from ._internal import _to_str +from .datastructures import FileStorage +from .datastructures import Headers +from .datastructures import MultiDict +from .http import parse_options_header +from .sansio.multipart import Data +from .sansio.multipart import Epilogue +from .sansio.multipart import Field +from .sansio.multipart import File +from .sansio.multipart import MultipartDecoder +from .sansio.multipart import NeedData +from .urls import url_decode_stream +from .wsgi import _make_chunk_iter +from .wsgi import get_content_length +from .wsgi import get_input_stream + +# there are some platforms where SpooledTemporaryFile is not available. +# In that case we need to provide a fallback. +try: + from tempfile import SpooledTemporaryFile +except ImportError: + from tempfile import TemporaryFile + + SpooledTemporaryFile = None # type: ignore + +if t.TYPE_CHECKING: + import typing as te + from _typeshed.wsgi import WSGIEnvironment + + t_parse_result = t.Tuple[t.BinaryIO, MultiDict, MultiDict] + + class TStreamFactory(te.Protocol): + def __call__( + self, + total_content_length: t.Optional[int], + content_type: t.Optional[str], + filename: t.Optional[str], + content_length: t.Optional[int] = None, + ) -> t.BinaryIO: + ... + + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) + + +def _exhaust(stream: t.BinaryIO) -> None: + bts = stream.read(64 * 1024) + while bts: + bts = stream.read(64 * 1024) + + +def default_stream_factory( + total_content_length: t.Optional[int], + content_type: t.Optional[str], + filename: t.Optional[str], + content_length: t.Optional[int] = None, +) -> t.BinaryIO: + max_size = 1024 * 500 + + if SpooledTemporaryFile is not None: + return t.cast(t.BinaryIO, SpooledTemporaryFile(max_size=max_size, mode="rb+")) + elif total_content_length is None or total_content_length > max_size: + return t.cast(t.BinaryIO, TemporaryFile("rb+")) + + return BytesIO() + + +def parse_form_data( + environ: "WSGIEnvironment", + stream_factory: t.Optional["TStreamFactory"] = None, + charset: str = "utf-8", + errors: str = "replace", + max_form_memory_size: t.Optional[int] = None, + max_content_length: t.Optional[int] = None, + cls: t.Optional[t.Type[MultiDict]] = None, + silent: bool = True, +) -> "t_parse_result": + """Parse the form data in the environ and return it as tuple in the form + ``(stream, form, files)``. You should only call this method if the + transport method is `POST`, `PUT`, or `PATCH`. + + If the mimetype of the data transmitted is `multipart/form-data` the + files multidict will be filled with `FileStorage` objects. If the + mimetype is unknown the input stream is wrapped and returned as first + argument, else the stream is empty. + + This is a shortcut for the common usage of :class:`FormDataParser`. + + Have a look at :doc:`/request_data` for more details. + + .. versionadded:: 0.5 + The `max_form_memory_size`, `max_content_length` and + `cls` parameters were added. + + .. versionadded:: 0.5.1 + The optional `silent` flag was added. + + :param environ: the WSGI environment to be used for parsing. + :param stream_factory: An optional callable that returns a new read and + writeable file descriptor. This callable works + the same as :meth:`Response._get_file_stream`. + :param charset: The character set for URL and url encoded form data. + :param errors: The encoding error behavior. + :param max_form_memory_size: the maximum number of bytes to be accepted for + in-memory stored form data. If the data + exceeds the value specified an + :exc:`~exceptions.RequestEntityTooLarge` + exception is raised. + :param max_content_length: If this is provided and the transmitted data + is longer than this value an + :exc:`~exceptions.RequestEntityTooLarge` + exception is raised. + :param cls: an optional dict class to use. If this is not specified + or `None` the default :class:`MultiDict` is used. + :param silent: If set to False parsing errors will not be caught. + :return: A tuple in the form ``(stream, form, files)``. + """ + return FormDataParser( + stream_factory, + charset, + errors, + max_form_memory_size, + max_content_length, + cls, + silent, + ).parse_from_environ(environ) + + +def exhaust_stream(f: F) -> F: + """Helper decorator for methods that exhausts the stream on return.""" + + def wrapper(self, stream, *args, **kwargs): # type: ignore + try: + return f(self, stream, *args, **kwargs) + finally: + exhaust = getattr(stream, "exhaust", None) + + if exhaust is not None: + exhaust() + else: + while True: + chunk = stream.read(1024 * 64) + + if not chunk: + break + + return update_wrapper(t.cast(F, wrapper), f) + + +class FormDataParser: + """This class implements parsing of form data for Werkzeug. By itself + it can parse multipart and url encoded form data. It can be subclassed + and extended but for most mimetypes it is a better idea to use the + untouched stream and expose it as separate attributes on a request + object. + + .. versionadded:: 0.8 + + :param stream_factory: An optional callable that returns a new read and + writeable file descriptor. This callable works + the same as :meth:`Response._get_file_stream`. + :param charset: The character set for URL and url encoded form data. + :param errors: The encoding error behavior. + :param max_form_memory_size: the maximum number of bytes to be accepted for + in-memory stored form data. If the data + exceeds the value specified an + :exc:`~exceptions.RequestEntityTooLarge` + exception is raised. + :param max_content_length: If this is provided and the transmitted data + is longer than this value an + :exc:`~exceptions.RequestEntityTooLarge` + exception is raised. + :param cls: an optional dict class to use. If this is not specified + or `None` the default :class:`MultiDict` is used. + :param silent: If set to False parsing errors will not be caught. + """ + + def __init__( + self, + stream_factory: t.Optional["TStreamFactory"] = None, + charset: str = "utf-8", + errors: str = "replace", + max_form_memory_size: t.Optional[int] = None, + max_content_length: t.Optional[int] = None, + cls: t.Optional[t.Type[MultiDict]] = None, + silent: bool = True, + ) -> None: + if stream_factory is None: + stream_factory = default_stream_factory + + self.stream_factory = stream_factory + self.charset = charset + self.errors = errors + self.max_form_memory_size = max_form_memory_size + self.max_content_length = max_content_length + + if cls is None: + cls = MultiDict + + self.cls = cls + self.silent = silent + + def get_parse_func( + self, mimetype: str, options: t.Dict[str, str] + ) -> t.Optional[ + t.Callable[ + ["FormDataParser", t.BinaryIO, str, t.Optional[int], t.Dict[str, str]], + "t_parse_result", + ] + ]: + return self.parse_functions.get(mimetype) + + def parse_from_environ(self, environ: "WSGIEnvironment") -> "t_parse_result": + """Parses the information from the environment as form data. + + :param environ: the WSGI environment to be used for parsing. + :return: A tuple in the form ``(stream, form, files)``. + """ + content_type = environ.get("CONTENT_TYPE", "") + content_length = get_content_length(environ) + mimetype, options = parse_options_header(content_type) + return self.parse(get_input_stream(environ), mimetype, content_length, options) + + def parse( + self, + stream: t.BinaryIO, + mimetype: str, + content_length: t.Optional[int], + options: t.Optional[t.Dict[str, str]] = None, + ) -> "t_parse_result": + """Parses the information from the given stream, mimetype, + content length and mimetype parameters. + + :param stream: an input stream + :param mimetype: the mimetype of the data + :param content_length: the content length of the incoming data + :param options: optional mimetype parameters (used for + the multipart boundary for instance) + :return: A tuple in the form ``(stream, form, files)``. + """ + if ( + self.max_content_length is not None + and content_length is not None + and content_length > self.max_content_length + ): + # if the input stream is not exhausted, firefox reports Connection Reset + _exhaust(stream) + raise exceptions.RequestEntityTooLarge() + + if options is None: + options = {} + + parse_func = self.get_parse_func(mimetype, options) + + if parse_func is not None: + try: + return parse_func(self, stream, mimetype, content_length, options) + except ValueError: + if not self.silent: + raise + + return stream, self.cls(), self.cls() + + @exhaust_stream + def _parse_multipart( + self, + stream: t.BinaryIO, + mimetype: str, + content_length: t.Optional[int], + options: t.Dict[str, str], + ) -> "t_parse_result": + parser = MultiPartParser( + self.stream_factory, + self.charset, + self.errors, + max_form_memory_size=self.max_form_memory_size, + cls=self.cls, + ) + boundary = options.get("boundary", "").encode("ascii") + + if not boundary: + raise ValueError("Missing boundary") + + form, files = parser.parse(stream, boundary, content_length) + return stream, form, files + + @exhaust_stream + def _parse_urlencoded( + self, + stream: t.BinaryIO, + mimetype: str, + content_length: t.Optional[int], + options: t.Dict[str, str], + ) -> "t_parse_result": + if ( + self.max_form_memory_size is not None + and content_length is not None + and content_length > self.max_form_memory_size + ): + # if the input stream is not exhausted, firefox reports Connection Reset + _exhaust(stream) + raise exceptions.RequestEntityTooLarge() + + form = url_decode_stream(stream, self.charset, errors=self.errors, cls=self.cls) + return stream, form, self.cls() + + #: mapping of mimetypes to parsing functions + parse_functions: t.Dict[ + str, + t.Callable[ + ["FormDataParser", t.BinaryIO, str, t.Optional[int], t.Dict[str, str]], + "t_parse_result", + ], + ] = { + "multipart/form-data": _parse_multipart, + "application/x-www-form-urlencoded": _parse_urlencoded, + "application/x-url-encoded": _parse_urlencoded, + } + + +def _line_parse(line: str) -> t.Tuple[str, bool]: + """Removes line ending characters and returns a tuple (`stripped_line`, + `is_terminated`). + """ + if line[-2:] == "\r\n": + return line[:-2], True + + elif line[-1:] in {"\r", "\n"}: + return line[:-1], True + + return line, False + + +def parse_multipart_headers(iterable: t.Iterable[bytes]) -> Headers: + """Parses multipart headers from an iterable that yields lines (including + the trailing newline symbol). The iterable has to be newline terminated. + The iterable will stop at the line where the headers ended so it can be + further consumed. + :param iterable: iterable of strings that are newline terminated + """ + warnings.warn( + "'parse_multipart_headers' is deprecated and will be removed in" + " Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + result: t.List[t.Tuple[str, str]] = [] + + for b_line in iterable: + line = _to_str(b_line) + line, line_terminated = _line_parse(line) + + if not line_terminated: + raise ValueError("unexpected end of line in multipart header") + + if not line: + break + elif line[0] in " \t" and result: + key, value = result[-1] + result[-1] = (key, f"{value}\n {line[1:]}") + else: + parts = line.split(":", 1) + + if len(parts) == 2: + result.append((parts[0].strip(), parts[1].strip())) + + # we link the list to the headers, no need to create a copy, the + # list was not shared anyways. + return Headers(result) + + +class MultiPartParser: + def __init__( + self, + stream_factory: t.Optional["TStreamFactory"] = None, + charset: str = "utf-8", + errors: str = "replace", + max_form_memory_size: t.Optional[int] = None, + cls: t.Optional[t.Type[MultiDict]] = None, + buffer_size: int = 64 * 1024, + ) -> None: + self.charset = charset + self.errors = errors + self.max_form_memory_size = max_form_memory_size + + if stream_factory is None: + stream_factory = default_stream_factory + + self.stream_factory = stream_factory + + if cls is None: + cls = MultiDict + + self.cls = cls + + self.buffer_size = buffer_size + + def fail(self, message: str) -> "te.NoReturn": + raise ValueError(message) + + def get_part_charset(self, headers: Headers) -> str: + # Figure out input charset for current part + content_type = headers.get("content-type") + + if content_type: + mimetype, ct_params = parse_options_header(content_type) + return ct_params.get("charset", self.charset) + + return self.charset + + def start_file_streaming( + self, event: File, total_content_length: t.Optional[int] + ) -> t.BinaryIO: + content_type = event.headers.get("content-type") + + try: + content_length = int(event.headers["content-length"]) + except (KeyError, ValueError): + content_length = 0 + + container = self.stream_factory( + total_content_length=total_content_length, + filename=event.filename, + content_type=content_type, + content_length=content_length, + ) + return container + + def parse( + self, stream: t.BinaryIO, boundary: bytes, content_length: t.Optional[int] + ) -> t.Tuple[MultiDict, MultiDict]: + container: t.Union[t.BinaryIO, t.List[bytes]] + _write: t.Callable[[bytes], t.Any] + + iterator = chain( + _make_chunk_iter( + stream, + limit=content_length, + buffer_size=self.buffer_size, + ), + [None], + ) + + parser = MultipartDecoder(boundary, self.max_form_memory_size) + + fields = [] + files = [] + + current_part: Union[Field, File] + for data in iterator: + parser.receive_data(data) + event = parser.next_event() + while not isinstance(event, (Epilogue, NeedData)): + if isinstance(event, Field): + current_part = event + container = [] + _write = container.append + elif isinstance(event, File): + current_part = event + container = self.start_file_streaming(event, content_length) + _write = container.write + elif isinstance(event, Data): + _write(event.data) + if not event.more_data: + if isinstance(current_part, Field): + value = b"".join(container).decode( + self.get_part_charset(current_part.headers), self.errors + ) + fields.append((current_part.name, value)) + else: + container = t.cast(t.BinaryIO, container) + container.seek(0) + files.append( + ( + current_part.name, + FileStorage( + container, + current_part.filename, + current_part.name, + headers=current_part.headers, + ), + ) + ) + + event = parser.next_event() + + return self.cls(fields), self.cls(files) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/http.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/http.py new file mode 100644 index 0000000..ca48fe2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/http.py @@ -0,0 +1,1388 @@ +import base64 +import email.utils +import re +import typing +import typing as t +import warnings +from datetime import date +from datetime import datetime +from datetime import time +from datetime import timedelta +from datetime import timezone +from enum import Enum +from hashlib import sha1 +from time import mktime +from time import struct_time +from urllib.parse import unquote_to_bytes as _unquote +from urllib.request import parse_http_list as _parse_list_header + +from ._internal import _cookie_parse_impl +from ._internal import _cookie_quote +from ._internal import _make_cookie_domain +from ._internal import _to_bytes +from ._internal import _to_str +from ._internal import _wsgi_decoding_dance +from werkzeug._internal import _dt_as_utc + +if t.TYPE_CHECKING: + import typing_extensions as te + from _typeshed.wsgi import WSGIEnvironment + +# for explanation of "media-range", etc. see Sections 5.3.{1,2} of RFC 7231 +_accept_re = re.compile( + r""" + ( # media-range capturing-parenthesis + [^\s;,]+ # type/subtype + (?:[ \t]*;[ \t]* # ";" + (?: # parameter non-capturing-parenthesis + [^\s;,q][^\s;,]* # token that doesn't start with "q" + | # or + q[^\s;,=][^\s;,]* # token that is more than just "q" + ) + )* # zero or more parameters + ) # end of media-range + (?:[ \t]*;[ \t]*q= # weight is a "q" parameter + (\d*(?:\.\d+)?) # qvalue capturing-parentheses + [^,]* # "extension" accept params: who cares? + )? # accept params are optional + """, + re.VERBOSE, +) +_token_chars = frozenset( + "!#$%&'*+-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ^_`abcdefghijklmnopqrstuvwxyz|~" +) +_etag_re = re.compile(r'([Ww]/)?(?:"(.*?)"|(.*?))(?:\s*,\s*|$)') +_option_header_piece_re = re.compile( + r""" + ;\s*,?\s* # newlines were replaced with commas + (?P + "[^"\\]*(?:\\.[^"\\]*)*" # quoted string + | + [^\s;,=*]+ # token + ) + (?:\*(?P\d+))? # *1, optional continuation index + \s* + (?: # optionally followed by =value + (?: # equals sign, possibly with encoding + \*\s*=\s* # * indicates extended notation + (?: # optional encoding + (?P[^\s]+?) + '(?P[^\s]*?)' + )? + | + =\s* # basic notation + ) + (?P + "[^"\\]*(?:\\.[^"\\]*)*" # quoted string + | + [^;,]+ # token + )? + )? + \s* + """, + flags=re.VERBOSE, +) +_option_header_start_mime_type = re.compile(r",\s*([^;,\s]+)([;,]\s*.+)?") +_entity_headers = frozenset( + [ + "allow", + "content-encoding", + "content-language", + "content-length", + "content-location", + "content-md5", + "content-range", + "content-type", + "expires", + "last-modified", + ] +) +_hop_by_hop_headers = frozenset( + [ + "connection", + "keep-alive", + "proxy-authenticate", + "proxy-authorization", + "te", + "trailer", + "transfer-encoding", + "upgrade", + ] +) +HTTP_STATUS_CODES = { + 100: "Continue", + 101: "Switching Protocols", + 102: "Processing", + 103: "Early Hints", # see RFC 8297 + 200: "OK", + 201: "Created", + 202: "Accepted", + 203: "Non Authoritative Information", + 204: "No Content", + 205: "Reset Content", + 206: "Partial Content", + 207: "Multi Status", + 208: "Already Reported", # see RFC 5842 + 226: "IM Used", # see RFC 3229 + 300: "Multiple Choices", + 301: "Moved Permanently", + 302: "Found", + 303: "See Other", + 304: "Not Modified", + 305: "Use Proxy", + 306: "Switch Proxy", # unused + 307: "Temporary Redirect", + 308: "Permanent Redirect", + 400: "Bad Request", + 401: "Unauthorized", + 402: "Payment Required", # unused + 403: "Forbidden", + 404: "Not Found", + 405: "Method Not Allowed", + 406: "Not Acceptable", + 407: "Proxy Authentication Required", + 408: "Request Timeout", + 409: "Conflict", + 410: "Gone", + 411: "Length Required", + 412: "Precondition Failed", + 413: "Request Entity Too Large", + 414: "Request URI Too Long", + 415: "Unsupported Media Type", + 416: "Requested Range Not Satisfiable", + 417: "Expectation Failed", + 418: "I'm a teapot", # see RFC 2324 + 421: "Misdirected Request", # see RFC 7540 + 422: "Unprocessable Entity", + 423: "Locked", + 424: "Failed Dependency", + 425: "Too Early", # see RFC 8470 + 426: "Upgrade Required", + 428: "Precondition Required", # see RFC 6585 + 429: "Too Many Requests", + 431: "Request Header Fields Too Large", + 449: "Retry With", # proprietary MS extension + 451: "Unavailable For Legal Reasons", + 500: "Internal Server Error", + 501: "Not Implemented", + 502: "Bad Gateway", + 503: "Service Unavailable", + 504: "Gateway Timeout", + 505: "HTTP Version Not Supported", + 506: "Variant Also Negotiates", # see RFC 2295 + 507: "Insufficient Storage", + 508: "Loop Detected", # see RFC 5842 + 510: "Not Extended", + 511: "Network Authentication Failed", +} + + +class COEP(Enum): + """Cross Origin Embedder Policies""" + + UNSAFE_NONE = "unsafe-none" + REQUIRE_CORP = "require-corp" + + +class COOP(Enum): + """Cross Origin Opener Policies""" + + UNSAFE_NONE = "unsafe-none" + SAME_ORIGIN_ALLOW_POPUPS = "same-origin-allow-popups" + SAME_ORIGIN = "same-origin" + + +def quote_header_value( + value: t.Union[str, int], extra_chars: str = "", allow_token: bool = True +) -> str: + """Quote a header value if necessary. + + .. versionadded:: 0.5 + + :param value: the value to quote. + :param extra_chars: a list of extra characters to skip quoting. + :param allow_token: if this is enabled token values are returned + unchanged. + """ + if isinstance(value, bytes): + value = value.decode("latin1") + value = str(value) + if allow_token: + token_chars = _token_chars | set(extra_chars) + if set(value).issubset(token_chars): + return value + value = value.replace("\\", "\\\\").replace('"', '\\"') + return f'"{value}"' + + +def unquote_header_value(value: str, is_filename: bool = False) -> str: + r"""Unquotes a header value. (Reversal of :func:`quote_header_value`). + This does not use the real unquoting but what browsers are actually + using for quoting. + + .. versionadded:: 0.5 + + :param value: the header value to unquote. + :param is_filename: The value represents a filename or path. + """ + if value and value[0] == value[-1] == '"': + # this is not the real unquoting, but fixing this so that the + # RFC is met will result in bugs with internet explorer and + # probably some other browsers as well. IE for example is + # uploading files with "C:\foo\bar.txt" as filename + value = value[1:-1] + + # if this is a filename and the starting characters look like + # a UNC path, then just return the value without quotes. Using the + # replace sequence below on a UNC path has the effect of turning + # the leading double slash into a single slash and then + # _fix_ie_filename() doesn't work correctly. See #458. + if not is_filename or value[:2] != "\\\\": + return value.replace("\\\\", "\\").replace('\\"', '"') + return value + + +def dump_options_header( + header: t.Optional[str], options: t.Mapping[str, t.Optional[t.Union[str, int]]] +) -> str: + """The reverse function to :func:`parse_options_header`. + + :param header: the header to dump + :param options: a dict of options to append. + """ + segments = [] + if header is not None: + segments.append(header) + for key, value in options.items(): + if value is None: + segments.append(key) + else: + segments.append(f"{key}={quote_header_value(value)}") + return "; ".join(segments) + + +def dump_header( + iterable: t.Union[t.Dict[str, t.Union[str, int]], t.Iterable[str]], + allow_token: bool = True, +) -> str: + """Dump an HTTP header again. This is the reversal of + :func:`parse_list_header`, :func:`parse_set_header` and + :func:`parse_dict_header`. This also quotes strings that include an + equals sign unless you pass it as dict of key, value pairs. + + >>> dump_header({'foo': 'bar baz'}) + 'foo="bar baz"' + >>> dump_header(('foo', 'bar baz')) + 'foo, "bar baz"' + + :param iterable: the iterable or dict of values to quote. + :param allow_token: if set to `False` tokens as values are disallowed. + See :func:`quote_header_value` for more details. + """ + if isinstance(iterable, dict): + items = [] + for key, value in iterable.items(): + if value is None: + items.append(key) + else: + items.append( + f"{key}={quote_header_value(value, allow_token=allow_token)}" + ) + else: + items = [quote_header_value(x, allow_token=allow_token) for x in iterable] + return ", ".join(items) + + +def dump_csp_header(header: "ds.ContentSecurityPolicy") -> str: + """Dump a Content Security Policy header. + + These are structured into policies such as "default-src 'self'; + script-src 'self'". + + .. versionadded:: 1.0.0 + Support for Content Security Policy headers was added. + + """ + return "; ".join(f"{key} {value}" for key, value in header.items()) + + +def parse_list_header(value: str) -> t.List[str]: + """Parse lists as described by RFC 2068 Section 2. + + In particular, parse comma-separated lists where the elements of + the list may include quoted-strings. A quoted-string could + contain a comma. A non-quoted string could have quotes in the + middle. Quotes are removed automatically after parsing. + + It basically works like :func:`parse_set_header` just that items + may appear multiple times and case sensitivity is preserved. + + The return value is a standard :class:`list`: + + >>> parse_list_header('token, "quoted value"') + ['token', 'quoted value'] + + To create a header from the :class:`list` again, use the + :func:`dump_header` function. + + :param value: a string with a list header. + :return: :class:`list` + """ + result = [] + for item in _parse_list_header(value): + if item[:1] == item[-1:] == '"': + item = unquote_header_value(item[1:-1]) + result.append(item) + return result + + +def parse_dict_header(value: str, cls: t.Type[dict] = dict) -> t.Dict[str, str]: + """Parse lists of key, value pairs as described by RFC 2068 Section 2 and + convert them into a python dict (or any other mapping object created from + the type with a dict like interface provided by the `cls` argument): + + >>> d = parse_dict_header('foo="is a fish", bar="as well"') + >>> type(d) is dict + True + >>> sorted(d.items()) + [('bar', 'as well'), ('foo', 'is a fish')] + + If there is no value for a key it will be `None`: + + >>> parse_dict_header('key_without_value') + {'key_without_value': None} + + To create a header from the :class:`dict` again, use the + :func:`dump_header` function. + + .. versionchanged:: 0.9 + Added support for `cls` argument. + + :param value: a string with a dict header. + :param cls: callable to use for storage of parsed results. + :return: an instance of `cls` + """ + result = cls() + if isinstance(value, bytes): + value = value.decode("latin1") + for item in _parse_list_header(value): + if "=" not in item: + result[item] = None + continue + name, value = item.split("=", 1) + if value[:1] == value[-1:] == '"': + value = unquote_header_value(value[1:-1]) + result[name] = value + return result + + +@typing.overload +def parse_options_header( + value: t.Optional[str], multiple: "te.Literal[False]" = False +) -> t.Tuple[str, t.Dict[str, str]]: + ... + + +@typing.overload +def parse_options_header( + value: t.Optional[str], multiple: "te.Literal[True]" +) -> t.Tuple[t.Any, ...]: + ... + + +def parse_options_header( + value: t.Optional[str], multiple: bool = False +) -> t.Union[t.Tuple[str, t.Dict[str, str]], t.Tuple[t.Any, ...]]: + """Parse a ``Content-Type`` like header into a tuple with the content + type and the options: + + >>> parse_options_header('text/html; charset=utf8') + ('text/html', {'charset': 'utf8'}) + + This should not be used to parse ``Cache-Control`` like headers that use + a slightly different format. For these headers use the + :func:`parse_dict_header` function. + + .. versionchanged:: 0.15 + :rfc:`2231` parameter continuations are handled. + + .. versionadded:: 0.5 + + :param value: the header to parse. + :param multiple: Whether try to parse and return multiple MIME types + :return: (mimetype, options) or (mimetype, options, mimetype, options, …) + if multiple=True + """ + if not value: + return "", {} + + result: t.List[t.Any] = [] + + value = "," + value.replace("\n", ",") + while value: + match = _option_header_start_mime_type.match(value) + if not match: + break + result.append(match.group(1)) # mimetype + options: t.Dict[str, str] = {} + # Parse options + rest = match.group(2) + encoding: t.Optional[str] + continued_encoding: t.Optional[str] = None + while rest: + optmatch = _option_header_piece_re.match(rest) + if not optmatch: + break + option, count, encoding, language, option_value = optmatch.groups() + # Continuations don't have to supply the encoding after the + # first line. If we're in a continuation, track the current + # encoding to use for subsequent lines. Reset it when the + # continuation ends. + if not count: + continued_encoding = None + else: + if not encoding: + encoding = continued_encoding + continued_encoding = encoding + option = unquote_header_value(option) + if option_value is not None: + option_value = unquote_header_value(option_value, option == "filename") + if encoding is not None: + option_value = _unquote(option_value).decode(encoding) + if count: + # Continuations append to the existing value. For + # simplicity, this ignores the possibility of + # out-of-order indices, which shouldn't happen anyway. + options[option] = options.get(option, "") + option_value + else: + options[option] = option_value + rest = rest[optmatch.end() :] + result.append(options) + if multiple is False: + return tuple(result) + value = rest + + return tuple(result) if result else ("", {}) + + +_TAnyAccept = t.TypeVar("_TAnyAccept", bound="ds.Accept") + + +@typing.overload +def parse_accept_header(value: t.Optional[str]) -> "ds.Accept": + ... + + +@typing.overload +def parse_accept_header( + value: t.Optional[str], cls: t.Type[_TAnyAccept] +) -> _TAnyAccept: + ... + + +def parse_accept_header( + value: t.Optional[str], cls: t.Optional[t.Type[_TAnyAccept]] = None +) -> _TAnyAccept: + """Parses an HTTP Accept-* header. This does not implement a complete + valid algorithm but one that supports at least value and quality + extraction. + + Returns a new :class:`Accept` object (basically a list of ``(value, quality)`` + tuples sorted by the quality with some additional accessor methods). + + The second parameter can be a subclass of :class:`Accept` that is created + with the parsed values and returned. + + :param value: the accept header string to be parsed. + :param cls: the wrapper class for the return value (can be + :class:`Accept` or a subclass thereof) + :return: an instance of `cls`. + """ + if cls is None: + cls = t.cast(t.Type[_TAnyAccept], ds.Accept) + + if not value: + return cls(None) + + result = [] + for match in _accept_re.finditer(value): + quality_match = match.group(2) + if not quality_match: + quality: float = 1 + else: + quality = max(min(float(quality_match), 1), 0) + result.append((match.group(1), quality)) + return cls(result) + + +_TAnyCC = t.TypeVar("_TAnyCC", bound="ds._CacheControl") +_t_cc_update = t.Optional[t.Callable[[_TAnyCC], None]] + + +@typing.overload +def parse_cache_control_header( + value: t.Optional[str], on_update: _t_cc_update, cls: None = None +) -> "ds.RequestCacheControl": + ... + + +@typing.overload +def parse_cache_control_header( + value: t.Optional[str], on_update: _t_cc_update, cls: t.Type[_TAnyCC] +) -> _TAnyCC: + ... + + +def parse_cache_control_header( + value: t.Optional[str], + on_update: _t_cc_update = None, + cls: t.Optional[t.Type[_TAnyCC]] = None, +) -> _TAnyCC: + """Parse a cache control header. The RFC differs between response and + request cache control, this method does not. It's your responsibility + to not use the wrong control statements. + + .. versionadded:: 0.5 + The `cls` was added. If not specified an immutable + :class:`~werkzeug.datastructures.RequestCacheControl` is returned. + + :param value: a cache control header to be parsed. + :param on_update: an optional callable that is called every time a value + on the :class:`~werkzeug.datastructures.CacheControl` + object is changed. + :param cls: the class for the returned object. By default + :class:`~werkzeug.datastructures.RequestCacheControl` is used. + :return: a `cls` object. + """ + if cls is None: + cls = t.cast(t.Type[_TAnyCC], ds.RequestCacheControl) + + if not value: + return cls((), on_update) + + return cls(parse_dict_header(value), on_update) + + +_TAnyCSP = t.TypeVar("_TAnyCSP", bound="ds.ContentSecurityPolicy") +_t_csp_update = t.Optional[t.Callable[[_TAnyCSP], None]] + + +@typing.overload +def parse_csp_header( + value: t.Optional[str], on_update: _t_csp_update, cls: None = None +) -> "ds.ContentSecurityPolicy": + ... + + +@typing.overload +def parse_csp_header( + value: t.Optional[str], on_update: _t_csp_update, cls: t.Type[_TAnyCSP] +) -> _TAnyCSP: + ... + + +def parse_csp_header( + value: t.Optional[str], + on_update: _t_csp_update = None, + cls: t.Optional[t.Type[_TAnyCSP]] = None, +) -> _TAnyCSP: + """Parse a Content Security Policy header. + + .. versionadded:: 1.0.0 + Support for Content Security Policy headers was added. + + :param value: a csp header to be parsed. + :param on_update: an optional callable that is called every time a value + on the object is changed. + :param cls: the class for the returned object. By default + :class:`~werkzeug.datastructures.ContentSecurityPolicy` is used. + :return: a `cls` object. + """ + if cls is None: + cls = t.cast(t.Type[_TAnyCSP], ds.ContentSecurityPolicy) + + if value is None: + return cls((), on_update) + + items = [] + + for policy in value.split(";"): + policy = policy.strip() + + # Ignore badly formatted policies (no space) + if " " in policy: + directive, value = policy.strip().split(" ", 1) + items.append((directive.strip(), value.strip())) + + return cls(items, on_update) + + +def parse_set_header( + value: t.Optional[str], + on_update: t.Optional[t.Callable[["ds.HeaderSet"], None]] = None, +) -> "ds.HeaderSet": + """Parse a set-like header and return a + :class:`~werkzeug.datastructures.HeaderSet` object: + + >>> hs = parse_set_header('token, "quoted value"') + + The return value is an object that treats the items case-insensitively + and keeps the order of the items: + + >>> 'TOKEN' in hs + True + >>> hs.index('quoted value') + 1 + >>> hs + HeaderSet(['token', 'quoted value']) + + To create a header from the :class:`HeaderSet` again, use the + :func:`dump_header` function. + + :param value: a set header to be parsed. + :param on_update: an optional callable that is called every time a + value on the :class:`~werkzeug.datastructures.HeaderSet` + object is changed. + :return: a :class:`~werkzeug.datastructures.HeaderSet` + """ + if not value: + return ds.HeaderSet(None, on_update) + return ds.HeaderSet(parse_list_header(value), on_update) + + +def parse_authorization_header( + value: t.Optional[str], +) -> t.Optional["ds.Authorization"]: + """Parse an HTTP basic/digest authorization header transmitted by the web + browser. The return value is either `None` if the header was invalid or + not given, otherwise an :class:`~werkzeug.datastructures.Authorization` + object. + + :param value: the authorization header to parse. + :return: a :class:`~werkzeug.datastructures.Authorization` object or `None`. + """ + if not value: + return None + value = _wsgi_decoding_dance(value) + try: + auth_type, auth_info = value.split(None, 1) + auth_type = auth_type.lower() + except ValueError: + return None + if auth_type == "basic": + try: + username, password = base64.b64decode(auth_info).split(b":", 1) + except Exception: + return None + try: + return ds.Authorization( + "basic", + { + "username": _to_str(username, "utf-8"), + "password": _to_str(password, "utf-8"), + }, + ) + except UnicodeDecodeError: + return None + elif auth_type == "digest": + auth_map = parse_dict_header(auth_info) + for key in "username", "realm", "nonce", "uri", "response": + if key not in auth_map: + return None + if "qop" in auth_map: + if not auth_map.get("nc") or not auth_map.get("cnonce"): + return None + return ds.Authorization("digest", auth_map) + return None + + +def parse_www_authenticate_header( + value: t.Optional[str], + on_update: t.Optional[t.Callable[["ds.WWWAuthenticate"], None]] = None, +) -> "ds.WWWAuthenticate": + """Parse an HTTP WWW-Authenticate header into a + :class:`~werkzeug.datastructures.WWWAuthenticate` object. + + :param value: a WWW-Authenticate header to parse. + :param on_update: an optional callable that is called every time a value + on the :class:`~werkzeug.datastructures.WWWAuthenticate` + object is changed. + :return: a :class:`~werkzeug.datastructures.WWWAuthenticate` object. + """ + if not value: + return ds.WWWAuthenticate(on_update=on_update) + try: + auth_type, auth_info = value.split(None, 1) + auth_type = auth_type.lower() + except (ValueError, AttributeError): + return ds.WWWAuthenticate(value.strip().lower(), on_update=on_update) + return ds.WWWAuthenticate(auth_type, parse_dict_header(auth_info), on_update) + + +def parse_if_range_header(value: t.Optional[str]) -> "ds.IfRange": + """Parses an if-range header which can be an etag or a date. Returns + a :class:`~werkzeug.datastructures.IfRange` object. + + .. versionchanged:: 2.0 + If the value represents a datetime, it is timezone-aware. + + .. versionadded:: 0.7 + """ + if not value: + return ds.IfRange() + date = parse_date(value) + if date is not None: + return ds.IfRange(date=date) + # drop weakness information + return ds.IfRange(unquote_etag(value)[0]) + + +def parse_range_header( + value: t.Optional[str], make_inclusive: bool = True +) -> t.Optional["ds.Range"]: + """Parses a range header into a :class:`~werkzeug.datastructures.Range` + object. If the header is missing or malformed `None` is returned. + `ranges` is a list of ``(start, stop)`` tuples where the ranges are + non-inclusive. + + .. versionadded:: 0.7 + """ + if not value or "=" not in value: + return None + + ranges = [] + last_end = 0 + units, rng = value.split("=", 1) + units = units.strip().lower() + + for item in rng.split(","): + item = item.strip() + if "-" not in item: + return None + if item.startswith("-"): + if last_end < 0: + return None + try: + begin = int(item) + except ValueError: + return None + end = None + last_end = -1 + elif "-" in item: + begin_str, end_str = item.split("-", 1) + begin_str = begin_str.strip() + end_str = end_str.strip() + if not begin_str.isdigit(): + return None + begin = int(begin_str) + if begin < last_end or last_end < 0: + return None + if end_str: + if not end_str.isdigit(): + return None + end = int(end_str) + 1 + if begin >= end: + return None + else: + end = None + last_end = end if end is not None else -1 + ranges.append((begin, end)) + + return ds.Range(units, ranges) + + +def parse_content_range_header( + value: t.Optional[str], + on_update: t.Optional[t.Callable[["ds.ContentRange"], None]] = None, +) -> t.Optional["ds.ContentRange"]: + """Parses a range header into a + :class:`~werkzeug.datastructures.ContentRange` object or `None` if + parsing is not possible. + + .. versionadded:: 0.7 + + :param value: a content range header to be parsed. + :param on_update: an optional callable that is called every time a value + on the :class:`~werkzeug.datastructures.ContentRange` + object is changed. + """ + if value is None: + return None + try: + units, rangedef = (value or "").strip().split(None, 1) + except ValueError: + return None + + if "/" not in rangedef: + return None + rng, length_str = rangedef.split("/", 1) + if length_str == "*": + length = None + elif length_str.isdigit(): + length = int(length_str) + else: + return None + + if rng == "*": + return ds.ContentRange(units, None, None, length, on_update=on_update) + elif "-" not in rng: + return None + + start_str, stop_str = rng.split("-", 1) + try: + start = int(start_str) + stop = int(stop_str) + 1 + except ValueError: + return None + + if is_byte_range_valid(start, stop, length): + return ds.ContentRange(units, start, stop, length, on_update=on_update) + + return None + + +def quote_etag(etag: str, weak: bool = False) -> str: + """Quote an etag. + + :param etag: the etag to quote. + :param weak: set to `True` to tag it "weak". + """ + if '"' in etag: + raise ValueError("invalid etag") + etag = f'"{etag}"' + if weak: + etag = f"W/{etag}" + return etag + + +def unquote_etag( + etag: t.Optional[str], +) -> t.Union[t.Tuple[str, bool], t.Tuple[None, None]]: + """Unquote a single etag: + + >>> unquote_etag('W/"bar"') + ('bar', True) + >>> unquote_etag('"bar"') + ('bar', False) + + :param etag: the etag identifier to unquote. + :return: a ``(etag, weak)`` tuple. + """ + if not etag: + return None, None + etag = etag.strip() + weak = False + if etag.startswith(("W/", "w/")): + weak = True + etag = etag[2:] + if etag[:1] == etag[-1:] == '"': + etag = etag[1:-1] + return etag, weak + + +def parse_etags(value: t.Optional[str]) -> "ds.ETags": + """Parse an etag header. + + :param value: the tag header to parse + :return: an :class:`~werkzeug.datastructures.ETags` object. + """ + if not value: + return ds.ETags() + strong = [] + weak = [] + end = len(value) + pos = 0 + while pos < end: + match = _etag_re.match(value, pos) + if match is None: + break + is_weak, quoted, raw = match.groups() + if raw == "*": + return ds.ETags(star_tag=True) + elif quoted: + raw = quoted + if is_weak: + weak.append(raw) + else: + strong.append(raw) + pos = match.end() + return ds.ETags(strong, weak) + + +def generate_etag(data: bytes) -> str: + """Generate an etag for some data. + + .. versionchanged:: 2.0 + Use SHA-1. MD5 may not be available in some environments. + """ + return sha1(data).hexdigest() + + +def parse_date(value: t.Optional[str]) -> t.Optional[datetime]: + """Parse an :rfc:`2822` date into a timezone-aware + :class:`datetime.datetime` object, or ``None`` if parsing fails. + + This is a wrapper for :func:`email.utils.parsedate_to_datetime`. It + returns ``None`` if parsing fails instead of raising an exception, + and always returns a timezone-aware datetime object. If the string + doesn't have timezone information, it is assumed to be UTC. + + :param value: A string with a supported date format. + + .. versionchanged:: 2.0 + Return a timezone-aware datetime object. Use + ``email.utils.parsedate_to_datetime``. + """ + if value is None: + return None + + try: + dt = email.utils.parsedate_to_datetime(value) + except (TypeError, ValueError): + return None + + if dt.tzinfo is None: + return dt.replace(tzinfo=timezone.utc) + + return dt + + +def cookie_date( + expires: t.Optional[t.Union[datetime, date, int, float, struct_time]] = None +) -> str: + """Format a datetime object or timestamp into an :rfc:`2822` date + string for ``Set-Cookie expires``. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :func:`http_date` instead. + """ + warnings.warn( + "'cookie_date' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'http_date' instead.", + DeprecationWarning, + stacklevel=2, + ) + return http_date(expires) + + +def http_date( + timestamp: t.Optional[t.Union[datetime, date, int, float, struct_time]] = None +) -> str: + """Format a datetime object or timestamp into an :rfc:`2822` date + string. + + This is a wrapper for :func:`email.utils.format_datetime`. It + assumes naive datetime objects are in UTC instead of raising an + exception. + + :param timestamp: The datetime or timestamp to format. Defaults to + the current time. + + .. versionchanged:: 2.0 + Use ``email.utils.format_datetime``. Accept ``date`` objects. + """ + if isinstance(timestamp, date): + if not isinstance(timestamp, datetime): + # Assume plain date is midnight UTC. + timestamp = datetime.combine(timestamp, time(), tzinfo=timezone.utc) + else: + # Ensure datetime is timezone-aware. + timestamp = _dt_as_utc(timestamp) + + return email.utils.format_datetime(timestamp, usegmt=True) + + if isinstance(timestamp, struct_time): + timestamp = mktime(timestamp) + + return email.utils.formatdate(timestamp, usegmt=True) + + +def parse_age(value: t.Optional[str] = None) -> t.Optional[timedelta]: + """Parses a base-10 integer count of seconds into a timedelta. + + If parsing fails, the return value is `None`. + + :param value: a string consisting of an integer represented in base-10 + :return: a :class:`datetime.timedelta` object or `None`. + """ + if not value: + return None + try: + seconds = int(value) + except ValueError: + return None + if seconds < 0: + return None + try: + return timedelta(seconds=seconds) + except OverflowError: + return None + + +def dump_age(age: t.Optional[t.Union[timedelta, int]] = None) -> t.Optional[str]: + """Formats the duration as a base-10 integer. + + :param age: should be an integer number of seconds, + a :class:`datetime.timedelta` object, or, + if the age is unknown, `None` (default). + """ + if age is None: + return None + if isinstance(age, timedelta): + age = int(age.total_seconds()) + else: + age = int(age) + + if age < 0: + raise ValueError("age cannot be negative") + + return str(age) + + +def is_resource_modified( + environ: "WSGIEnvironment", + etag: t.Optional[str] = None, + data: t.Optional[bytes] = None, + last_modified: t.Optional[t.Union[datetime, str]] = None, + ignore_if_range: bool = True, +) -> bool: + """Convenience method for conditional requests. + + :param environ: the WSGI environment of the request to be checked. + :param etag: the etag for the response for comparison. + :param data: or alternatively the data of the response to automatically + generate an etag using :func:`generate_etag`. + :param last_modified: an optional date of the last modification. + :param ignore_if_range: If `False`, `If-Range` header will be taken into + account. + :return: `True` if the resource was modified, otherwise `False`. + + .. versionchanged:: 2.0 + SHA-1 is used to generate an etag value for the data. MD5 may + not be available in some environments. + + .. versionchanged:: 1.0.0 + The check is run for methods other than ``GET`` and ``HEAD``. + """ + if etag is None and data is not None: + etag = generate_etag(data) + elif data is not None: + raise TypeError("both data and etag given") + + unmodified = False + if isinstance(last_modified, str): + last_modified = parse_date(last_modified) + + # HTTP doesn't use microsecond, remove it to avoid false positive + # comparisons. Mark naive datetimes as UTC. + if last_modified is not None: + last_modified = _dt_as_utc(last_modified.replace(microsecond=0)) + + if_range = None + if not ignore_if_range and "HTTP_RANGE" in environ: + # https://tools.ietf.org/html/rfc7233#section-3.2 + # A server MUST ignore an If-Range header field received in a request + # that does not contain a Range header field. + if_range = parse_if_range_header(environ.get("HTTP_IF_RANGE")) + + if if_range is not None and if_range.date is not None: + modified_since: t.Optional[datetime] = if_range.date + else: + modified_since = parse_date(environ.get("HTTP_IF_MODIFIED_SINCE")) + + if modified_since and last_modified and last_modified <= modified_since: + unmodified = True + + if etag: + etag, _ = unquote_etag(etag) + etag = t.cast(str, etag) + + if if_range is not None and if_range.etag is not None: + unmodified = parse_etags(if_range.etag).contains(etag) + else: + if_none_match = parse_etags(environ.get("HTTP_IF_NONE_MATCH")) + if if_none_match: + # https://tools.ietf.org/html/rfc7232#section-3.2 + # "A recipient MUST use the weak comparison function when comparing + # entity-tags for If-None-Match" + unmodified = if_none_match.contains_weak(etag) + + # https://tools.ietf.org/html/rfc7232#section-3.1 + # "Origin server MUST use the strong comparison function when + # comparing entity-tags for If-Match" + if_match = parse_etags(environ.get("HTTP_IF_MATCH")) + if if_match: + unmodified = not if_match.is_strong(etag) + + return not unmodified + + +def remove_entity_headers( + headers: t.Union["ds.Headers", t.List[t.Tuple[str, str]]], + allowed: t.Iterable[str] = ("expires", "content-location"), +) -> None: + """Remove all entity headers from a list or :class:`Headers` object. This + operation works in-place. `Expires` and `Content-Location` headers are + by default not removed. The reason for this is :rfc:`2616` section + 10.3.5 which specifies some entity headers that should be sent. + + .. versionchanged:: 0.5 + added `allowed` parameter. + + :param headers: a list or :class:`Headers` object. + :param allowed: a list of headers that should still be allowed even though + they are entity headers. + """ + allowed = {x.lower() for x in allowed} + headers[:] = [ + (key, value) + for key, value in headers + if not is_entity_header(key) or key.lower() in allowed + ] + + +def remove_hop_by_hop_headers( + headers: t.Union["ds.Headers", t.List[t.Tuple[str, str]]] +) -> None: + """Remove all HTTP/1.1 "Hop-by-Hop" headers from a list or + :class:`Headers` object. This operation works in-place. + + .. versionadded:: 0.5 + + :param headers: a list or :class:`Headers` object. + """ + headers[:] = [ + (key, value) for key, value in headers if not is_hop_by_hop_header(key) + ] + + +def is_entity_header(header: str) -> bool: + """Check if a header is an entity header. + + .. versionadded:: 0.5 + + :param header: the header to test. + :return: `True` if it's an entity header, `False` otherwise. + """ + return header.lower() in _entity_headers + + +def is_hop_by_hop_header(header: str) -> bool: + """Check if a header is an HTTP/1.1 "Hop-by-Hop" header. + + .. versionadded:: 0.5 + + :param header: the header to test. + :return: `True` if it's an HTTP/1.1 "Hop-by-Hop" header, `False` otherwise. + """ + return header.lower() in _hop_by_hop_headers + + +def parse_cookie( + header: t.Union["WSGIEnvironment", str, bytes, None], + charset: str = "utf-8", + errors: str = "replace", + cls: t.Optional[t.Type["ds.MultiDict"]] = None, +) -> "ds.MultiDict[str, str]": + """Parse a cookie from a string or WSGI environ. + + The same key can be provided multiple times, the values are stored + in-order. The default :class:`MultiDict` will have the first value + first, and all values can be retrieved with + :meth:`MultiDict.getlist`. + + :param header: The cookie header as a string, or a WSGI environ dict + with a ``HTTP_COOKIE`` key. + :param charset: The charset for the cookie values. + :param errors: The error behavior for the charset decoding. + :param cls: A dict-like class to store the parsed cookies in. + Defaults to :class:`MultiDict`. + + .. versionchanged:: 1.0.0 + Returns a :class:`MultiDict` instead of a + ``TypeConversionDict``. + + .. versionchanged:: 0.5 + Returns a :class:`TypeConversionDict` instead of a regular dict. + The ``cls`` parameter was added. + """ + if isinstance(header, dict): + header = header.get("HTTP_COOKIE", "") + elif header is None: + header = "" + + # PEP 3333 sends headers through the environ as latin1 decoded + # strings. Encode strings back to bytes for parsing. + if isinstance(header, str): + header = header.encode("latin1", "replace") + + if cls is None: + cls = ds.MultiDict + + def _parse_pairs() -> t.Iterator[t.Tuple[str, str]]: + for key, val in _cookie_parse_impl(header): # type: ignore + key_str = _to_str(key, charset, errors, allow_none_charset=True) + + if not key_str: + continue + + val_str = _to_str(val, charset, errors, allow_none_charset=True) + yield key_str, val_str + + return cls(_parse_pairs()) + + +def dump_cookie( + key: str, + value: t.Union[bytes, str] = "", + max_age: t.Optional[t.Union[timedelta, int]] = None, + expires: t.Optional[t.Union[str, datetime, int, float]] = None, + path: t.Optional[str] = "/", + domain: t.Optional[str] = None, + secure: bool = False, + httponly: bool = False, + charset: str = "utf-8", + sync_expires: bool = True, + max_size: int = 4093, + samesite: t.Optional[str] = None, +) -> str: + """Create a Set-Cookie header without the ``Set-Cookie`` prefix. + + The return value is usually restricted to ascii as the vast majority + of values are properly escaped, but that is no guarantee. It's + tunneled through latin1 as required by :pep:`3333`. + + The return value is not ASCII safe if the key contains unicode + characters. This is technically against the specification but + happens in the wild. It's strongly recommended to not use + non-ASCII values for the keys. + + :param max_age: should be a number of seconds, or `None` (default) if + the cookie should last only as long as the client's + browser session. Additionally `timedelta` objects + are accepted, too. + :param expires: should be a `datetime` object or unix timestamp. + :param path: limits the cookie to a given path, per default it will + span the whole domain. + :param domain: Use this if you want to set a cross-domain cookie. For + example, ``domain=".example.com"`` will set a cookie + that is readable by the domain ``www.example.com``, + ``foo.example.com`` etc. Otherwise, a cookie will only + be readable by the domain that set it. + :param secure: The cookie will only be available via HTTPS + :param httponly: disallow JavaScript to access the cookie. This is an + extension to the cookie standard and probably not + supported by all browsers. + :param charset: the encoding for string values. + :param sync_expires: automatically set expires if max_age is defined + but expires not. + :param max_size: Warn if the final header value exceeds this size. The + default, 4093, should be safely `supported by most browsers + `_. Set to 0 to disable this check. + :param samesite: Limits the scope of the cookie such that it will + only be attached to requests if those requests are same-site. + + .. _`cookie`: http://browsercookielimits.squawky.net/ + + .. versionchanged:: 1.0.0 + The string ``'None'`` is accepted for ``samesite``. + """ + key = _to_bytes(key, charset) + value = _to_bytes(value, charset) + + if path is not None: + from .urls import iri_to_uri + + path = iri_to_uri(path, charset) + + domain = _make_cookie_domain(domain) + + if isinstance(max_age, timedelta): + max_age = int(max_age.total_seconds()) + + if expires is not None: + if not isinstance(expires, str): + expires = http_date(expires) + elif max_age is not None and sync_expires: + expires = http_date(datetime.now(tz=timezone.utc).timestamp() + max_age) + + if samesite is not None: + samesite = samesite.title() + + if samesite not in {"Strict", "Lax", "None"}: + raise ValueError("SameSite must be 'Strict', 'Lax', or 'None'.") + + buf = [key + b"=" + _cookie_quote(value)] + + # XXX: In theory all of these parameters that are not marked with `None` + # should be quoted. Because stdlib did not quote it before I did not + # want to introduce quoting there now. + for k, v, q in ( + (b"Domain", domain, True), + (b"Expires", expires, False), + (b"Max-Age", max_age, False), + (b"Secure", secure, None), + (b"HttpOnly", httponly, None), + (b"Path", path, False), + (b"SameSite", samesite, False), + ): + if q is None: + if v: + buf.append(k) + continue + + if v is None: + continue + + tmp = bytearray(k) + if not isinstance(v, (bytes, bytearray)): + v = _to_bytes(str(v), charset) + if q: + v = _cookie_quote(v) + tmp += b"=" + v + buf.append(bytes(tmp)) + + # The return value will be an incorrectly encoded latin1 header for + # consistency with the headers object. + rv = b"; ".join(buf) + rv = rv.decode("latin1") + + # Warn if the final value of the cookie is larger than the limit. If the + # cookie is too large, then it may be silently ignored by the browser, + # which can be quite hard to debug. + cookie_size = len(rv) + + if max_size and cookie_size > max_size: + value_size = len(value) + warnings.warn( + f"The {key.decode(charset)!r} cookie is too large: the value was" + f" {value_size} bytes but the" + f" header required {cookie_size - value_size} extra bytes. The final size" + f" was {cookie_size} bytes but the limit is {max_size} bytes. Browsers may" + f" silently ignore cookies larger than this.", + stacklevel=2, + ) + + return rv + + +def is_byte_range_valid( + start: t.Optional[int], stop: t.Optional[int], length: t.Optional[int] +) -> bool: + """Checks if a given byte content range is valid for the given length. + + .. versionadded:: 0.7 + """ + if (start is None) != (stop is None): + return False + elif start is None: + return length is None or length >= 0 + elif length is None: + return 0 <= start < stop # type: ignore + elif start >= stop: # type: ignore + return False + return 0 <= start < length + + +# circular dependencies +from . import datastructures as ds diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/local.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/local.py new file mode 100644 index 0000000..a5a7870 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/local.py @@ -0,0 +1,666 @@ +import copy +import math +import operator +import sys +import typing as t +import warnings +from functools import partial +from functools import update_wrapper + +from .wsgi import ClosingIterator + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + +F = t.TypeVar("F", bound=t.Callable[..., t.Any]) + +try: + from greenlet import getcurrent as _get_ident +except ImportError: + from threading import get_ident as _get_ident + + +def get_ident() -> int: + warnings.warn( + "'get_ident' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'greenlet.getcurrent' or 'threading.get_ident' for" + " previous behavior.", + DeprecationWarning, + stacklevel=2, + ) + return _get_ident() # type: ignore + + +class _CannotUseContextVar(Exception): + pass + + +try: + from contextvars import ContextVar + + if "gevent" in sys.modules or "eventlet" in sys.modules: + # Both use greenlet, so first check it has patched + # ContextVars, Greenlet <0.4.17 does not. + import greenlet + + greenlet_patched = getattr(greenlet, "GREENLET_USE_CONTEXT_VARS", False) + + if not greenlet_patched: + # If Gevent is used, check it has patched ContextVars, + # <20.5 does not. + try: + from gevent.monkey import is_object_patched + except ImportError: + # Gevent isn't used, but Greenlet is and hasn't patched + raise _CannotUseContextVar() + else: + if is_object_patched("threading", "local") and not is_object_patched( + "contextvars", "ContextVar" + ): + raise _CannotUseContextVar() + + +except (ImportError, _CannotUseContextVar): + + class ContextVar: # type: ignore + """A fake ContextVar based on the previous greenlet/threading + ident function. Used on Python 3.6, eventlet, and old versions + of gevent. + """ + + def __init__(self, _name: str) -> None: + self.storage: t.Dict[int, t.Dict[str, t.Any]] = {} + + def get(self, default: t.Dict[str, t.Any]) -> t.Dict[str, t.Any]: + return self.storage.get(_get_ident(), default) + + def set(self, value: t.Dict[str, t.Any]) -> None: + self.storage[_get_ident()] = value + + +def release_local(local: t.Union["Local", "LocalStack"]) -> None: + """Releases the contents of the local for the current context. + This makes it possible to use locals without a manager. + + Example:: + + >>> loc = Local() + >>> loc.foo = 42 + >>> release_local(loc) + >>> hasattr(loc, 'foo') + False + + With this function one can release :class:`Local` objects as well + as :class:`LocalStack` objects. However it is not possible to + release data held by proxies that way, one always has to retain + a reference to the underlying local object in order to be able + to release it. + + .. versionadded:: 0.6.1 + """ + local.__release_local__() + + +class Local: + __slots__ = ("_storage",) + + def __init__(self) -> None: + object.__setattr__(self, "_storage", ContextVar("local_storage")) + + @property + def __storage__(self) -> t.Dict[str, t.Any]: + warnings.warn( + "'__storage__' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return self._storage.get({}) # type: ignore + + @property + def __ident_func__(self) -> t.Callable[[], int]: + warnings.warn( + "'__ident_func__' is deprecated and will be removed in" + " Werkzeug 2.1. It should not be used in Python 3.7+.", + DeprecationWarning, + stacklevel=2, + ) + return _get_ident # type: ignore + + @__ident_func__.setter + def __ident_func__(self, func: t.Callable[[], int]) -> None: + warnings.warn( + "'__ident_func__' is deprecated and will be removed in" + " Werkzeug 2.1. Setting it no longer has any effect.", + DeprecationWarning, + stacklevel=2, + ) + + def __iter__(self) -> t.Iterator[t.Tuple[int, t.Any]]: + return iter(self._storage.get({}).items()) + + def __call__(self, proxy: str) -> "LocalProxy": + """Create a proxy for a name.""" + return LocalProxy(self, proxy) + + def __release_local__(self) -> None: + self._storage.set({}) + + def __getattr__(self, name: str) -> t.Any: + values = self._storage.get({}) + try: + return values[name] + except KeyError: + raise AttributeError(name) + + def __setattr__(self, name: str, value: t.Any) -> None: + values = self._storage.get({}).copy() + values[name] = value + self._storage.set(values) + + def __delattr__(self, name: str) -> None: + values = self._storage.get({}).copy() + try: + del values[name] + self._storage.set(values) + except KeyError: + raise AttributeError(name) + + +class LocalStack: + """This class works similar to a :class:`Local` but keeps a stack + of objects instead. This is best explained with an example:: + + >>> ls = LocalStack() + >>> ls.push(42) + >>> ls.top + 42 + >>> ls.push(23) + >>> ls.top + 23 + >>> ls.pop() + 23 + >>> ls.top + 42 + + They can be force released by using a :class:`LocalManager` or with + the :func:`release_local` function but the correct way is to pop the + item from the stack after using. When the stack is empty it will + no longer be bound to the current context (and as such released). + + By calling the stack without arguments it returns a proxy that resolves to + the topmost item on the stack. + + .. versionadded:: 0.6.1 + """ + + def __init__(self) -> None: + self._local = Local() + + def __release_local__(self) -> None: + self._local.__release_local__() + + @property + def __ident_func__(self) -> t.Callable[[], int]: + return self._local.__ident_func__ + + @__ident_func__.setter + def __ident_func__(self, value: t.Callable[[], int]) -> None: + object.__setattr__(self._local, "__ident_func__", value) + + def __call__(self) -> "LocalProxy": + def _lookup() -> t.Any: + rv = self.top + if rv is None: + raise RuntimeError("object unbound") + return rv + + return LocalProxy(_lookup) + + def push(self, obj: t.Any) -> t.List[t.Any]: + """Pushes a new item to the stack""" + rv = getattr(self._local, "stack", []).copy() + rv.append(obj) + self._local.stack = rv + return rv # type: ignore + + def pop(self) -> t.Any: + """Removes the topmost item from the stack, will return the + old value or `None` if the stack was already empty. + """ + stack = getattr(self._local, "stack", None) + if stack is None: + return None + elif len(stack) == 1: + release_local(self._local) + return stack[-1] + else: + return stack.pop() + + @property + def top(self) -> t.Any: + """The topmost item on the stack. If the stack is empty, + `None` is returned. + """ + try: + return self._local.stack[-1] + except (AttributeError, IndexError): + return None + + +class LocalManager: + """Local objects cannot manage themselves. For that you need a local + manager. You can pass a local manager multiple locals or add them + later y appending them to `manager.locals`. Every time the manager + cleans up, it will clean up all the data left in the locals for this + context. + + .. versionchanged:: 2.0 + ``ident_func`` is deprecated and will be removed in Werkzeug + 2.1. + + .. versionchanged:: 0.6.1 + The :func:`release_local` function can be used instead of a + manager. + + .. versionchanged:: 0.7 + The ``ident_func`` parameter was added. + """ + + def __init__( + self, + locals: t.Optional[t.Iterable[t.Union[Local, LocalStack]]] = None, + ident_func: None = None, + ) -> None: + if locals is None: + self.locals = [] + elif isinstance(locals, Local): + self.locals = [locals] + else: + self.locals = list(locals) + + if ident_func is not None: + warnings.warn( + "'ident_func' is deprecated and will be removed in" + " Werkzeug 2.1. Setting it no longer has any effect.", + DeprecationWarning, + stacklevel=2, + ) + + @property + def ident_func(self) -> t.Callable[[], int]: + warnings.warn( + "'ident_func' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return _get_ident # type: ignore + + @ident_func.setter + def ident_func(self, func: t.Callable[[], int]) -> None: + warnings.warn( + "'ident_func' is deprecated and will be removedin Werkzeug" + " 2.1. Setting it no longer has any effect.", + DeprecationWarning, + stacklevel=2, + ) + + def get_ident(self) -> int: + """Return the context identifier the local objects use internally for + this context. You cannot override this method to change the behavior + but use it to link other context local objects (such as SQLAlchemy's + scoped sessions) to the Werkzeug locals. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. + + .. versionchanged:: 0.7 + You can pass a different ident function to the local manager that + will then be propagated to all the locals passed to the + constructor. + """ + warnings.warn( + "'get_ident' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return self.ident_func() + + def cleanup(self) -> None: + """Manually clean up the data in the locals for this context. Call + this at the end of the request or use `make_middleware()`. + """ + for local in self.locals: + release_local(local) + + def make_middleware(self, app: "WSGIApplication") -> "WSGIApplication": + """Wrap a WSGI application so that cleaning up happens after + request end. + """ + + def application( + environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + return ClosingIterator(app(environ, start_response), self.cleanup) + + return application + + def middleware(self, func: "WSGIApplication") -> "WSGIApplication": + """Like `make_middleware` but for decorating functions. + + Example usage:: + + @manager.middleware + def application(environ, start_response): + ... + + The difference to `make_middleware` is that the function passed + will have all the arguments copied from the inner application + (name, docstring, module). + """ + return update_wrapper(self.make_middleware(func), func) + + def __repr__(self) -> str: + return f"<{type(self).__name__} storages: {len(self.locals)}>" + + +class _ProxyLookup: + """Descriptor that handles proxied attribute lookup for + :class:`LocalProxy`. + + :param f: The built-in function this attribute is accessed through. + Instead of looking up the special method, the function call + is redone on the object. + :param fallback: Call this method if the proxy is unbound instead of + raising a :exc:`RuntimeError`. + :param class_value: Value to return when accessed from the class. + Used for ``__doc__`` so building docs still works. + """ + + __slots__ = ("bind_f", "fallback", "class_value", "name") + + def __init__( + self, + f: t.Optional[t.Callable] = None, + fallback: t.Optional[t.Callable] = None, + class_value: t.Optional[t.Any] = None, + ) -> None: + bind_f: t.Optional[t.Callable[["LocalProxy", t.Any], t.Callable]] + + if hasattr(f, "__get__"): + # A Python function, can be turned into a bound method. + + def bind_f(instance: "LocalProxy", obj: t.Any) -> t.Callable: + return f.__get__(obj, type(obj)) # type: ignore + + elif f is not None: + # A C function, use partial to bind the first argument. + + def bind_f(instance: "LocalProxy", obj: t.Any) -> t.Callable: + return partial(f, obj) # type: ignore + + else: + # Use getattr, which will produce a bound method. + bind_f = None + + self.bind_f = bind_f + self.fallback = fallback + self.class_value = class_value + + def __set_name__(self, owner: "LocalProxy", name: str) -> None: + self.name = name + + def __get__(self, instance: "LocalProxy", owner: t.Optional[type] = None) -> t.Any: + if instance is None: + if self.class_value is not None: + return self.class_value + + return self + + try: + obj = instance._get_current_object() + except RuntimeError: + if self.fallback is None: + raise + + return self.fallback.__get__(instance, owner) # type: ignore + + if self.bind_f is not None: + return self.bind_f(instance, obj) + + return getattr(obj, self.name) + + def __repr__(self) -> str: + return f"proxy {self.name}" + + def __call__(self, instance: "LocalProxy", *args: t.Any, **kwargs: t.Any) -> t.Any: + """Support calling unbound methods from the class. For example, + this happens with ``copy.copy``, which does + ``type(x).__copy__(x)``. ``type(x)`` can't be proxied, so it + returns the proxy type and descriptor. + """ + return self.__get__(instance, type(instance))(*args, **kwargs) + + +class _ProxyIOp(_ProxyLookup): + """Look up an augmented assignment method on a proxied object. The + method is wrapped to return the proxy instead of the object. + """ + + __slots__ = () + + def __init__( + self, f: t.Optional[t.Callable] = None, fallback: t.Optional[t.Callable] = None + ) -> None: + super().__init__(f, fallback) + + def bind_f(instance: "LocalProxy", obj: t.Any) -> t.Callable: + def i_op(self: t.Any, other: t.Any) -> "LocalProxy": + f(self, other) # type: ignore + return instance + + return i_op.__get__(obj, type(obj)) # type: ignore + + self.bind_f = bind_f + + +def _l_to_r_op(op: F) -> F: + """Swap the argument order to turn an l-op into an r-op.""" + + def r_op(obj: t.Any, other: t.Any) -> t.Any: + return op(other, obj) + + return t.cast(F, r_op) + + +class LocalProxy: + """A proxy to the object bound to a :class:`Local`. All operations + on the proxy are forwarded to the bound object. If no object is + bound, a :exc:`RuntimeError` is raised. + + .. code-block:: python + + from werkzeug.local import Local + l = Local() + + # a proxy to whatever l.user is set to + user = l("user") + + from werkzeug.local import LocalStack + _request_stack = LocalStack() + + # a proxy to _request_stack.top + request = _request_stack() + + # a proxy to the session attribute of the request proxy + session = LocalProxy(lambda: request.session) + + ``__repr__`` and ``__class__`` are forwarded, so ``repr(x)`` and + ``isinstance(x, cls)`` will look like the proxied object. Use + ``issubclass(type(x), LocalProxy)`` to check if an object is a + proxy. + + .. code-block:: python + + repr(user) # + isinstance(user, User) # True + issubclass(type(user), LocalProxy) # True + + :param local: The :class:`Local` or callable that provides the + proxied object. + :param name: The attribute name to look up on a :class:`Local`. Not + used if a callable is given. + + .. versionchanged:: 2.0 + Updated proxied attributes and methods to reflect the current + data model. + + .. versionchanged:: 0.6.1 + The class can be instantiated with a callable. + """ + + __slots__ = ("__local", "__name", "__wrapped__") + + def __init__( + self, + local: t.Union["Local", t.Callable[[], t.Any]], + name: t.Optional[str] = None, + ) -> None: + object.__setattr__(self, "_LocalProxy__local", local) + object.__setattr__(self, "_LocalProxy__name", name) + + if callable(local) and not hasattr(local, "__release_local__"): + # "local" is a callable that is not an instance of Local or + # LocalManager: mark it as a wrapped function. + object.__setattr__(self, "__wrapped__", local) + + def _get_current_object(self) -> t.Any: + """Return the current object. This is useful if you want the real + object behind the proxy at a time for performance reasons or because + you want to pass the object into a different context. + """ + if not hasattr(self.__local, "__release_local__"): # type: ignore + return self.__local() # type: ignore + + try: + return getattr(self.__local, self.__name) # type: ignore + except AttributeError: + raise RuntimeError(f"no object bound to {self.__name}") # type: ignore + + __doc__ = _ProxyLookup( # type: ignore + class_value=__doc__, fallback=lambda self: type(self).__doc__ + ) + # __del__ should only delete the proxy + __repr__ = _ProxyLookup( # type: ignore + repr, fallback=lambda self: f"<{type(self).__name__} unbound>" + ) + __str__ = _ProxyLookup(str) # type: ignore + __bytes__ = _ProxyLookup(bytes) + __format__ = _ProxyLookup() # type: ignore + __lt__ = _ProxyLookup(operator.lt) + __le__ = _ProxyLookup(operator.le) + __eq__ = _ProxyLookup(operator.eq) # type: ignore + __ne__ = _ProxyLookup(operator.ne) # type: ignore + __gt__ = _ProxyLookup(operator.gt) + __ge__ = _ProxyLookup(operator.ge) + __hash__ = _ProxyLookup(hash) # type: ignore + __bool__ = _ProxyLookup(bool, fallback=lambda self: False) + __getattr__ = _ProxyLookup(getattr) + # __getattribute__ triggered through __getattr__ + __setattr__ = _ProxyLookup(setattr) # type: ignore + __delattr__ = _ProxyLookup(delattr) # type: ignore + __dir__ = _ProxyLookup(dir, fallback=lambda self: []) # type: ignore + # __get__ (proxying descriptor not supported) + # __set__ (descriptor) + # __delete__ (descriptor) + # __set_name__ (descriptor) + # __objclass__ (descriptor) + # __slots__ used by proxy itself + # __dict__ (__getattr__) + # __weakref__ (__getattr__) + # __init_subclass__ (proxying metaclass not supported) + # __prepare__ (metaclass) + __class__ = _ProxyLookup(fallback=lambda self: type(self)) # type: ignore + __instancecheck__ = _ProxyLookup(lambda self, other: isinstance(other, self)) + __subclasscheck__ = _ProxyLookup(lambda self, other: issubclass(other, self)) + # __class_getitem__ triggered through __getitem__ + __call__ = _ProxyLookup(lambda self, *args, **kwargs: self(*args, **kwargs)) + __len__ = _ProxyLookup(len) + __length_hint__ = _ProxyLookup(operator.length_hint) + __getitem__ = _ProxyLookup(operator.getitem) + __setitem__ = _ProxyLookup(operator.setitem) + __delitem__ = _ProxyLookup(operator.delitem) + # __missing__ triggered through __getitem__ + __iter__ = _ProxyLookup(iter) + __next__ = _ProxyLookup(next) + __reversed__ = _ProxyLookup(reversed) + __contains__ = _ProxyLookup(operator.contains) + __add__ = _ProxyLookup(operator.add) + __sub__ = _ProxyLookup(operator.sub) + __mul__ = _ProxyLookup(operator.mul) + __matmul__ = _ProxyLookup(operator.matmul) + __truediv__ = _ProxyLookup(operator.truediv) + __floordiv__ = _ProxyLookup(operator.floordiv) + __mod__ = _ProxyLookup(operator.mod) + __divmod__ = _ProxyLookup(divmod) + __pow__ = _ProxyLookup(pow) + __lshift__ = _ProxyLookup(operator.lshift) + __rshift__ = _ProxyLookup(operator.rshift) + __and__ = _ProxyLookup(operator.and_) + __xor__ = _ProxyLookup(operator.xor) + __or__ = _ProxyLookup(operator.or_) + __radd__ = _ProxyLookup(_l_to_r_op(operator.add)) + __rsub__ = _ProxyLookup(_l_to_r_op(operator.sub)) + __rmul__ = _ProxyLookup(_l_to_r_op(operator.mul)) + __rmatmul__ = _ProxyLookup(_l_to_r_op(operator.matmul)) + __rtruediv__ = _ProxyLookup(_l_to_r_op(operator.truediv)) + __rfloordiv__ = _ProxyLookup(_l_to_r_op(operator.floordiv)) + __rmod__ = _ProxyLookup(_l_to_r_op(operator.mod)) + __rdivmod__ = _ProxyLookup(_l_to_r_op(divmod)) + __rpow__ = _ProxyLookup(_l_to_r_op(pow)) + __rlshift__ = _ProxyLookup(_l_to_r_op(operator.lshift)) + __rrshift__ = _ProxyLookup(_l_to_r_op(operator.rshift)) + __rand__ = _ProxyLookup(_l_to_r_op(operator.and_)) + __rxor__ = _ProxyLookup(_l_to_r_op(operator.xor)) + __ror__ = _ProxyLookup(_l_to_r_op(operator.or_)) + __iadd__ = _ProxyIOp(operator.iadd) + __isub__ = _ProxyIOp(operator.isub) + __imul__ = _ProxyIOp(operator.imul) + __imatmul__ = _ProxyIOp(operator.imatmul) + __itruediv__ = _ProxyIOp(operator.itruediv) + __ifloordiv__ = _ProxyIOp(operator.ifloordiv) + __imod__ = _ProxyIOp(operator.imod) + __ipow__ = _ProxyIOp(operator.ipow) + __ilshift__ = _ProxyIOp(operator.ilshift) + __irshift__ = _ProxyIOp(operator.irshift) + __iand__ = _ProxyIOp(operator.iand) + __ixor__ = _ProxyIOp(operator.ixor) + __ior__ = _ProxyIOp(operator.ior) + __neg__ = _ProxyLookup(operator.neg) + __pos__ = _ProxyLookup(operator.pos) + __abs__ = _ProxyLookup(abs) + __invert__ = _ProxyLookup(operator.invert) + __complex__ = _ProxyLookup(complex) + __int__ = _ProxyLookup(int) + __float__ = _ProxyLookup(float) + __index__ = _ProxyLookup(operator.index) + __round__ = _ProxyLookup(round) + __trunc__ = _ProxyLookup(math.trunc) + __floor__ = _ProxyLookup(math.floor) + __ceil__ = _ProxyLookup(math.ceil) + __enter__ = _ProxyLookup() + __exit__ = _ProxyLookup() + __await__ = _ProxyLookup() + __aiter__ = _ProxyLookup() + __anext__ = _ProxyLookup() + __aenter__ = _ProxyLookup() + __aexit__ = _ProxyLookup() + __copy__ = _ProxyLookup(copy.copy) + __deepcopy__ = _ProxyLookup(copy.deepcopy) + # __getnewargs_ex__ (pickle through proxy not supported) + # __getnewargs__ (pickle) + # __getstate__ (pickle) + # __setstate__ (pickle) + # __reduce__ (pickle) + # __reduce_ex__ (pickle) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/__init__.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/__init__.py new file mode 100644 index 0000000..6ddcf7f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/__init__.py @@ -0,0 +1,22 @@ +""" +Middleware +========== + +A WSGI middleware is a WSGI application that wraps another application +in order to observe or change its behavior. Werkzeug provides some +middleware for common use cases. + +.. toctree:: + :maxdepth: 1 + + proxy_fix + shared_data + dispatcher + http_proxy + lint + profiler + +The :doc:`interactive debugger ` is also a middleware that can +be applied manually, although it is typically used automatically with +the :doc:`development server `. +""" diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/dispatcher.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/dispatcher.py new file mode 100644 index 0000000..ace1c75 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/dispatcher.py @@ -0,0 +1,78 @@ +""" +Application Dispatcher +====================== + +This middleware creates a single WSGI application that dispatches to +multiple other WSGI applications mounted at different URL paths. + +A common example is writing a Single Page Application, where you have a +backend API and a frontend written in JavaScript that does the routing +in the browser rather than requesting different pages from the server. +The frontend is a single HTML and JS file that should be served for any +path besides "/api". + +This example dispatches to an API app under "/api", an admin app +under "/admin", and an app that serves frontend files for all other +requests:: + + app = DispatcherMiddleware(serve_frontend, { + '/api': api_app, + '/admin': admin_app, + }) + +In production, you might instead handle this at the HTTP server level, +serving files or proxying to application servers based on location. The +API and admin apps would each be deployed with a separate WSGI server, +and the static files would be served directly by the HTTP server. + +.. autoclass:: DispatcherMiddleware + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import typing as t + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class DispatcherMiddleware: + """Combine multiple applications as a single WSGI application. + Requests are dispatched to an application based on the path it is + mounted under. + + :param app: The WSGI application to dispatch to if the request + doesn't match a mounted path. + :param mounts: Maps path prefixes to applications for dispatching. + """ + + def __init__( + self, + app: "WSGIApplication", + mounts: t.Optional[t.Dict[str, "WSGIApplication"]] = None, + ) -> None: + self.app = app + self.mounts = mounts or {} + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + script = environ.get("PATH_INFO", "") + path_info = "" + + while "/" in script: + if script in self.mounts: + app = self.mounts[script] + break + + script, last_item = script.rsplit("/", 1) + path_info = f"/{last_item}{path_info}" + else: + app = self.mounts.get(script, self.app) + + original_script_name = environ.get("SCRIPT_NAME", "") + environ["SCRIPT_NAME"] = original_script_name + script + environ["PATH_INFO"] = path_info + return app(environ, start_response) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/http_proxy.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/http_proxy.py new file mode 100644 index 0000000..1cde458 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/http_proxy.py @@ -0,0 +1,230 @@ +""" +Basic HTTP Proxy +================ + +.. autoclass:: ProxyMiddleware + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import typing as t +from http import client + +from ..datastructures import EnvironHeaders +from ..http import is_hop_by_hop_header +from ..urls import url_parse +from ..urls import url_quote +from ..wsgi import get_input_stream + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class ProxyMiddleware: + """Proxy requests under a path to an external server, routing other + requests to the app. + + This middleware can only proxy HTTP requests, as HTTP is the only + protocol handled by the WSGI server. Other protocols, such as + WebSocket requests, cannot be proxied at this layer. This should + only be used for development, in production a real proxy server + should be used. + + The middleware takes a dict mapping a path prefix to a dict + describing the host to be proxied to:: + + app = ProxyMiddleware(app, { + "/static/": { + "target": "http://127.0.0.1:5001/", + } + }) + + Each host has the following options: + + ``target``: + The target URL to dispatch to. This is required. + ``remove_prefix``: + Whether to remove the prefix from the URL before dispatching it + to the target. The default is ``False``. + ``host``: + ``""`` (default): + The host header is automatically rewritten to the URL of the + target. + ``None``: + The host header is unmodified from the client request. + Any other value: + The host header is overwritten with the value. + ``headers``: + A dictionary of headers to be sent with the request to the + target. The default is ``{}``. + ``ssl_context``: + A :class:`ssl.SSLContext` defining how to verify requests if the + target is HTTPS. The default is ``None``. + + In the example above, everything under ``"/static/"`` is proxied to + the server on port 5001. The host header is rewritten to the target, + and the ``"/static/"`` prefix is removed from the URLs. + + :param app: The WSGI application to wrap. + :param targets: Proxy target configurations. See description above. + :param chunk_size: Size of chunks to read from input stream and + write to target. + :param timeout: Seconds before an operation to a target fails. + + .. versionadded:: 0.14 + """ + + def __init__( + self, + app: "WSGIApplication", + targets: t.Mapping[str, t.Dict[str, t.Any]], + chunk_size: int = 2 << 13, + timeout: int = 10, + ) -> None: + def _set_defaults(opts: t.Dict[str, t.Any]) -> t.Dict[str, t.Any]: + opts.setdefault("remove_prefix", False) + opts.setdefault("host", "") + opts.setdefault("headers", {}) + opts.setdefault("ssl_context", None) + return opts + + self.app = app + self.targets = { + f"/{k.strip('/')}/": _set_defaults(v) for k, v in targets.items() + } + self.chunk_size = chunk_size + self.timeout = timeout + + def proxy_to( + self, opts: t.Dict[str, t.Any], path: str, prefix: str + ) -> "WSGIApplication": + target = url_parse(opts["target"]) + host = t.cast(str, target.ascii_host) + + def application( + environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + headers = list(EnvironHeaders(environ).items()) + headers[:] = [ + (k, v) + for k, v in headers + if not is_hop_by_hop_header(k) + and k.lower() not in ("content-length", "host") + ] + headers.append(("Connection", "close")) + + if opts["host"] == "": + headers.append(("Host", host)) + elif opts["host"] is None: + headers.append(("Host", environ["HTTP_HOST"])) + else: + headers.append(("Host", opts["host"])) + + headers.extend(opts["headers"].items()) + remote_path = path + + if opts["remove_prefix"]: + remote_path = remote_path[len(prefix) :].lstrip("/") + remote_path = f"{target.path.rstrip('/')}/{remote_path}" + + content_length = environ.get("CONTENT_LENGTH") + chunked = False + + if content_length not in ("", None): + headers.append(("Content-Length", content_length)) # type: ignore + elif content_length is not None: + headers.append(("Transfer-Encoding", "chunked")) + chunked = True + + try: + if target.scheme == "http": + con = client.HTTPConnection( + host, target.port or 80, timeout=self.timeout + ) + elif target.scheme == "https": + con = client.HTTPSConnection( + host, + target.port or 443, + timeout=self.timeout, + context=opts["ssl_context"], + ) + else: + raise RuntimeError( + "Target scheme must be 'http' or 'https', got" + f" {target.scheme!r}." + ) + + con.connect() + remote_url = url_quote(remote_path) + querystring = environ["QUERY_STRING"] + + if querystring: + remote_url = f"{remote_url}?{querystring}" + + con.putrequest(environ["REQUEST_METHOD"], remote_url, skip_host=True) + + for k, v in headers: + if k.lower() == "connection": + v = "close" + + con.putheader(k, v) + + con.endheaders() + stream = get_input_stream(environ) + + while True: + data = stream.read(self.chunk_size) + + if not data: + break + + if chunked: + con.send(b"%x\r\n%s\r\n" % (len(data), data)) + else: + con.send(data) + + resp = con.getresponse() + except OSError: + from ..exceptions import BadGateway + + return BadGateway()(environ, start_response) + + start_response( + f"{resp.status} {resp.reason}", + [ + (k.title(), v) + for k, v in resp.getheaders() + if not is_hop_by_hop_header(k) + ], + ) + + def read() -> t.Iterator[bytes]: + while True: + try: + data = resp.read(self.chunk_size) + except OSError: + break + + if not data: + break + + yield data + + return read() + + return application + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + path = environ["PATH_INFO"] + app = self.app + + for prefix, opts in self.targets.items(): + if path.startswith(prefix): + app = self.proxy_to(opts, path, prefix) + break + + return app(environ, start_response) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/lint.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/lint.py new file mode 100644 index 0000000..80c423d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/lint.py @@ -0,0 +1,420 @@ +""" +WSGI Protocol Linter +==================== + +This module provides a middleware that performs sanity checks on the +behavior of the WSGI server and application. It checks that the +:pep:`3333` WSGI spec is properly implemented. It also warns on some +common HTTP errors such as non-empty responses for 304 status codes. + +.. autoclass:: LintMiddleware + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import typing as t +from types import TracebackType +from urllib.parse import urlparse +from warnings import warn + +from ..datastructures import Headers +from ..http import is_entity_header +from ..wsgi import FileWrapper + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class WSGIWarning(Warning): + """Warning class for WSGI warnings.""" + + +class HTTPWarning(Warning): + """Warning class for HTTP warnings.""" + + +def check_type(context: str, obj: object, need: t.Type = str) -> None: + if type(obj) is not need: + warn( + f"{context!r} requires {need.__name__!r}, got {type(obj).__name__!r}.", + WSGIWarning, + stacklevel=3, + ) + + +class InputStream: + def __init__(self, stream: t.BinaryIO) -> None: + self._stream = stream + + def read(self, *args: t.Any) -> bytes: + if len(args) == 0: + warn( + "WSGI does not guarantee an EOF marker on the input stream, thus making" + " calls to 'wsgi.input.read()' unsafe. Conforming servers may never" + " return from this call.", + WSGIWarning, + stacklevel=2, + ) + elif len(args) != 1: + warn( + "Too many parameters passed to 'wsgi.input.read()'.", + WSGIWarning, + stacklevel=2, + ) + return self._stream.read(*args) + + def readline(self, *args: t.Any) -> bytes: + if len(args) == 0: + warn( + "Calls to 'wsgi.input.readline()' without arguments are unsafe. Use" + " 'wsgi.input.read()' instead.", + WSGIWarning, + stacklevel=2, + ) + elif len(args) == 1: + warn( + "'wsgi.input.readline()' was called with a size hint. WSGI does not" + " support this, although it's available on all major servers.", + WSGIWarning, + stacklevel=2, + ) + else: + raise TypeError("Too many arguments passed to 'wsgi.input.readline()'.") + return self._stream.readline(*args) + + def __iter__(self) -> t.Iterator[bytes]: + try: + return iter(self._stream) + except TypeError: + warn("'wsgi.input' is not iterable.", WSGIWarning, stacklevel=2) + return iter(()) + + def close(self) -> None: + warn("The application closed the input stream!", WSGIWarning, stacklevel=2) + self._stream.close() + + +class ErrorStream: + def __init__(self, stream: t.TextIO) -> None: + self._stream = stream + + def write(self, s: str) -> None: + check_type("wsgi.error.write()", s, str) + self._stream.write(s) + + def flush(self) -> None: + self._stream.flush() + + def writelines(self, seq: t.Iterable[str]) -> None: + for line in seq: + self.write(line) + + def close(self) -> None: + warn("The application closed the error stream!", WSGIWarning, stacklevel=2) + self._stream.close() + + +class GuardedWrite: + def __init__(self, write: t.Callable[[bytes], None], chunks: t.List[int]) -> None: + self._write = write + self._chunks = chunks + + def __call__(self, s: bytes) -> None: + check_type("write()", s, bytes) + self._write(s) + self._chunks.append(len(s)) + + +class GuardedIterator: + def __init__( + self, + iterator: t.Iterable[bytes], + headers_set: t.Tuple[int, Headers], + chunks: t.List[int], + ) -> None: + self._iterator = iterator + self._next = iter(iterator).__next__ + self.closed = False + self.headers_set = headers_set + self.chunks = chunks + + def __iter__(self) -> "GuardedIterator": + return self + + def __next__(self) -> bytes: + if self.closed: + warn("Iterated over closed 'app_iter'.", WSGIWarning, stacklevel=2) + + rv = self._next() + + if not self.headers_set: + warn( + "The application returned before it started the response.", + WSGIWarning, + stacklevel=2, + ) + + check_type("application iterator items", rv, bytes) + self.chunks.append(len(rv)) + return rv + + def close(self) -> None: + self.closed = True + + if hasattr(self._iterator, "close"): + self._iterator.close() # type: ignore + + if self.headers_set: + status_code, headers = self.headers_set + bytes_sent = sum(self.chunks) + content_length = headers.get("content-length", type=int) + + if status_code == 304: + for key, _value in headers: + key = key.lower() + if key not in ("expires", "content-location") and is_entity_header( + key + ): + warn( + f"Entity header {key!r} found in 304 response.", HTTPWarning + ) + if bytes_sent: + warn("304 responses must not have a body.", HTTPWarning) + elif 100 <= status_code < 200 or status_code == 204: + if content_length != 0: + warn( + f"{status_code} responses must have an empty content length.", + HTTPWarning, + ) + if bytes_sent: + warn(f"{status_code} responses must not have a body.", HTTPWarning) + elif content_length is not None and content_length != bytes_sent: + warn( + "Content-Length and the number of bytes sent to the" + " client do not match.", + WSGIWarning, + ) + + def __del__(self) -> None: + if not self.closed: + try: + warn( + "Iterator was garbage collected before it was closed.", WSGIWarning + ) + except Exception: + pass + + +class LintMiddleware: + """Warns about common errors in the WSGI and HTTP behavior of the + server and wrapped application. Some of the issues it checks are: + + - invalid status codes + - non-bytes sent to the WSGI server + - strings returned from the WSGI application + - non-empty conditional responses + - unquoted etags + - relative URLs in the Location header + - unsafe calls to wsgi.input + - unclosed iterators + + Error information is emitted using the :mod:`warnings` module. + + :param app: The WSGI application to wrap. + + .. code-block:: python + + from werkzeug.middleware.lint import LintMiddleware + app = LintMiddleware(app) + """ + + def __init__(self, app: "WSGIApplication") -> None: + self.app = app + + def check_environ(self, environ: "WSGIEnvironment") -> None: + if type(environ) is not dict: + warn( + "WSGI environment is not a standard Python dict.", + WSGIWarning, + stacklevel=4, + ) + for key in ( + "REQUEST_METHOD", + "SERVER_NAME", + "SERVER_PORT", + "wsgi.version", + "wsgi.input", + "wsgi.errors", + "wsgi.multithread", + "wsgi.multiprocess", + "wsgi.run_once", + ): + if key not in environ: + warn( + f"Required environment key {key!r} not found", + WSGIWarning, + stacklevel=3, + ) + if environ["wsgi.version"] != (1, 0): + warn("Environ is not a WSGI 1.0 environ.", WSGIWarning, stacklevel=3) + + script_name = environ.get("SCRIPT_NAME", "") + path_info = environ.get("PATH_INFO", "") + + if script_name and script_name[0] != "/": + warn( + f"'SCRIPT_NAME' does not start with a slash: {script_name!r}", + WSGIWarning, + stacklevel=3, + ) + + if path_info and path_info[0] != "/": + warn( + f"'PATH_INFO' does not start with a slash: {path_info!r}", + WSGIWarning, + stacklevel=3, + ) + + def check_start_response( + self, + status: str, + headers: t.List[t.Tuple[str, str]], + exc_info: t.Optional[ + t.Tuple[t.Type[BaseException], BaseException, TracebackType] + ], + ) -> t.Tuple[int, Headers]: + check_type("status", status, str) + status_code_str = status.split(None, 1)[0] + + if len(status_code_str) != 3 or not status_code_str.isdigit(): + warn("Status code must be three digits.", WSGIWarning, stacklevel=3) + + if len(status) < 4 or status[3] != " ": + warn( + f"Invalid value for status {status!r}. Valid status strings are three" + " digits, a space and a status explanation.", + WSGIWarning, + stacklevel=3, + ) + + status_code = int(status_code_str) + + if status_code < 100: + warn("Status code < 100 detected.", WSGIWarning, stacklevel=3) + + if type(headers) is not list: + warn("Header list is not a list.", WSGIWarning, stacklevel=3) + + for item in headers: + if type(item) is not tuple or len(item) != 2: + warn("Header items must be 2-item tuples.", WSGIWarning, stacklevel=3) + name, value = item + if type(name) is not str or type(value) is not str: + warn( + "Header keys and values must be strings.", WSGIWarning, stacklevel=3 + ) + if name.lower() == "status": + warn( + "The status header is not supported due to" + " conflicts with the CGI spec.", + WSGIWarning, + stacklevel=3, + ) + + if exc_info is not None and not isinstance(exc_info, tuple): + warn("Invalid value for exc_info.", WSGIWarning, stacklevel=3) + + headers = Headers(headers) + self.check_headers(headers) + + return status_code, headers + + def check_headers(self, headers: Headers) -> None: + etag = headers.get("etag") + + if etag is not None: + if etag.startswith(("W/", "w/")): + if etag.startswith("w/"): + warn( + "Weak etag indicator should be upper case.", + HTTPWarning, + stacklevel=4, + ) + + etag = etag[2:] + + if not (etag[:1] == etag[-1:] == '"'): + warn("Unquoted etag emitted.", HTTPWarning, stacklevel=4) + + location = headers.get("location") + + if location is not None: + if not urlparse(location).netloc: + warn( + "Absolute URLs required for location header.", + HTTPWarning, + stacklevel=4, + ) + + def check_iterator(self, app_iter: t.Iterable[bytes]) -> None: + if isinstance(app_iter, bytes): + warn( + "The application returned a bytestring. The response will send one" + " character at a time to the client, which will kill performance." + " Return a list or iterable instead.", + WSGIWarning, + stacklevel=3, + ) + + def __call__(self, *args: t.Any, **kwargs: t.Any) -> t.Iterable[bytes]: + if len(args) != 2: + warn("A WSGI app takes two arguments.", WSGIWarning, stacklevel=2) + + if kwargs: + warn( + "A WSGI app does not take keyword arguments.", WSGIWarning, stacklevel=2 + ) + + environ: "WSGIEnvironment" = args[0] + start_response: "StartResponse" = args[1] + + self.check_environ(environ) + environ["wsgi.input"] = InputStream(environ["wsgi.input"]) + environ["wsgi.errors"] = ErrorStream(environ["wsgi.errors"]) + + # Hook our own file wrapper in so that applications will always + # iterate to the end and we can check the content length. + environ["wsgi.file_wrapper"] = FileWrapper + + headers_set: t.List[t.Any] = [] + chunks: t.List[int] = [] + + def checking_start_response( + *args: t.Any, **kwargs: t.Any + ) -> t.Callable[[bytes], None]: + if len(args) not in {2, 3}: + warn( + f"Invalid number of arguments: {len(args)}, expected 2 or 3.", + WSGIWarning, + stacklevel=2, + ) + + if kwargs: + warn("'start_response' does not take keyword arguments.", WSGIWarning) + + status: str = args[0] + headers: t.List[t.Tuple[str, str]] = args[1] + exc_info: t.Optional[ + t.Tuple[t.Type[BaseException], BaseException, TracebackType] + ] = (args[2] if len(args) == 3 else None) + + headers_set[:] = self.check_start_response(status, headers, exc_info) + return GuardedWrite(start_response(status, headers, exc_info), chunks) + + app_iter = self.app(environ, t.cast("StartResponse", checking_start_response)) + self.check_iterator(app_iter) + return GuardedIterator( + app_iter, t.cast(t.Tuple[int, Headers], headers_set), chunks + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/profiler.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/profiler.py new file mode 100644 index 0000000..0992f8f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/profiler.py @@ -0,0 +1,139 @@ +""" +Application Profiler +==================== + +This module provides a middleware that profiles each request with the +:mod:`cProfile` module. This can help identify bottlenecks in your code +that may be slowing down your application. + +.. autoclass:: ProfilerMiddleware + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import os.path +import sys +import time +import typing as t +from pstats import Stats + +try: + from cProfile import Profile +except ImportError: + from profile import Profile # type: ignore + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class ProfilerMiddleware: + """Wrap a WSGI application and profile the execution of each + request. Responses are buffered so that timings are more exact. + + If ``stream`` is given, :class:`pstats.Stats` are written to it + after each request. If ``profile_dir`` is given, :mod:`cProfile` + data files are saved to that directory, one file per request. + + The filename can be customized by passing ``filename_format``. If + it is a string, it will be formatted using :meth:`str.format` with + the following fields available: + + - ``{method}`` - The request method; GET, POST, etc. + - ``{path}`` - The request path or 'root' should one not exist. + - ``{elapsed}`` - The elapsed time of the request. + - ``{time}`` - The time of the request. + + If it is a callable, it will be called with the WSGI ``environ`` + dict and should return a filename. + + :param app: The WSGI application to wrap. + :param stream: Write stats to this stream. Disable with ``None``. + :param sort_by: A tuple of columns to sort stats by. See + :meth:`pstats.Stats.sort_stats`. + :param restrictions: A tuple of restrictions to filter stats by. See + :meth:`pstats.Stats.print_stats`. + :param profile_dir: Save profile data files to this directory. + :param filename_format: Format string for profile data file names, + or a callable returning a name. See explanation above. + + .. code-block:: python + + from werkzeug.middleware.profiler import ProfilerMiddleware + app = ProfilerMiddleware(app) + + .. versionchanged:: 0.15 + Stats are written even if ``profile_dir`` is given, and can be + disable by passing ``stream=None``. + + .. versionadded:: 0.15 + Added ``filename_format``. + + .. versionadded:: 0.9 + Added ``restrictions`` and ``profile_dir``. + """ + + def __init__( + self, + app: "WSGIApplication", + stream: t.TextIO = sys.stdout, + sort_by: t.Iterable[str] = ("time", "calls"), + restrictions: t.Iterable[t.Union[str, int, float]] = (), + profile_dir: t.Optional[str] = None, + filename_format: str = "{method}.{path}.{elapsed:.0f}ms.{time:.0f}.prof", + ) -> None: + self._app = app + self._stream = stream + self._sort_by = sort_by + self._restrictions = restrictions + self._profile_dir = profile_dir + self._filename_format = filename_format + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + response_body: t.List[bytes] = [] + + def catching_start_response(status, headers, exc_info=None): # type: ignore + start_response(status, headers, exc_info) + return response_body.append + + def runapp() -> None: + app_iter = self._app( + environ, t.cast("StartResponse", catching_start_response) + ) + response_body.extend(app_iter) + + if hasattr(app_iter, "close"): + app_iter.close() # type: ignore + + profile = Profile() + start = time.time() + profile.runcall(runapp) + body = b"".join(response_body) + elapsed = time.time() - start + + if self._profile_dir is not None: + if callable(self._filename_format): + filename = self._filename_format(environ) + else: + filename = self._filename_format.format( + method=environ["REQUEST_METHOD"], + path=environ["PATH_INFO"].strip("/").replace("/", ".") or "root", + elapsed=elapsed * 1000.0, + time=time.time(), + ) + filename = os.path.join(self._profile_dir, filename) + profile.dump_stats(filename) + + if self._stream is not None: + stats = Stats(profile, stream=self._stream) + stats.sort_stats(*self._sort_by) + print("-" * 80, file=self._stream) + path_info = environ.get("PATH_INFO", "") + print(f"PATH: {path_info!r}", file=self._stream) + stats.print_stats(*self._restrictions) + print(f"{'-' * 80}\n", file=self._stream) + + return [body] diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/proxy_fix.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/proxy_fix.py new file mode 100644 index 0000000..e90b1b3 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/proxy_fix.py @@ -0,0 +1,187 @@ +""" +X-Forwarded-For Proxy Fix +========================= + +This module provides a middleware that adjusts the WSGI environ based on +``X-Forwarded-`` headers that proxies in front of an application may +set. + +When an application is running behind a proxy server, WSGI may see the +request as coming from that server rather than the real client. Proxies +set various headers to track where the request actually came from. + +This middleware should only be used if the application is actually +behind such a proxy, and should be configured with the number of proxies +that are chained in front of it. Not all proxies set all the headers. +Since incoming headers can be faked, you must set how many proxies are +setting each header so the middleware knows what to trust. + +.. autoclass:: ProxyFix + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import typing as t + +from ..http import parse_list_header + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class ProxyFix: + """Adjust the WSGI environ based on ``X-Forwarded-`` that proxies in + front of the application may set. + + - ``X-Forwarded-For`` sets ``REMOTE_ADDR``. + - ``X-Forwarded-Proto`` sets ``wsgi.url_scheme``. + - ``X-Forwarded-Host`` sets ``HTTP_HOST``, ``SERVER_NAME``, and + ``SERVER_PORT``. + - ``X-Forwarded-Port`` sets ``HTTP_HOST`` and ``SERVER_PORT``. + - ``X-Forwarded-Prefix`` sets ``SCRIPT_NAME``. + + You must tell the middleware how many proxies set each header so it + knows what values to trust. It is a security issue to trust values + that came from the client rather than a proxy. + + The original values of the headers are stored in the WSGI + environ as ``werkzeug.proxy_fix.orig``, a dict. + + :param app: The WSGI application to wrap. + :param x_for: Number of values to trust for ``X-Forwarded-For``. + :param x_proto: Number of values to trust for ``X-Forwarded-Proto``. + :param x_host: Number of values to trust for ``X-Forwarded-Host``. + :param x_port: Number of values to trust for ``X-Forwarded-Port``. + :param x_prefix: Number of values to trust for + ``X-Forwarded-Prefix``. + + .. code-block:: python + + from werkzeug.middleware.proxy_fix import ProxyFix + # App is behind one proxy that sets the -For and -Host headers. + app = ProxyFix(app, x_for=1, x_host=1) + + .. versionchanged:: 1.0 + Deprecated code has been removed: + + * The ``num_proxies`` argument and attribute. + * The ``get_remote_addr`` method. + * The environ keys ``orig_remote_addr``, + ``orig_wsgi_url_scheme``, and ``orig_http_host``. + + .. versionchanged:: 0.15 + All headers support multiple values. The ``num_proxies`` + argument is deprecated. Each header is configured with a + separate number of trusted proxies. + + .. versionchanged:: 0.15 + Original WSGI environ values are stored in the + ``werkzeug.proxy_fix.orig`` dict. ``orig_remote_addr``, + ``orig_wsgi_url_scheme``, and ``orig_http_host`` are deprecated + and will be removed in 1.0. + + .. versionchanged:: 0.15 + Support ``X-Forwarded-Port`` and ``X-Forwarded-Prefix``. + + .. versionchanged:: 0.15 + ``X-Forwarded-Host`` and ``X-Forwarded-Port`` modify + ``SERVER_NAME`` and ``SERVER_PORT``. + """ + + def __init__( + self, + app: "WSGIApplication", + x_for: int = 1, + x_proto: int = 1, + x_host: int = 0, + x_port: int = 0, + x_prefix: int = 0, + ) -> None: + self.app = app + self.x_for = x_for + self.x_proto = x_proto + self.x_host = x_host + self.x_port = x_port + self.x_prefix = x_prefix + + def _get_real_value(self, trusted: int, value: t.Optional[str]) -> t.Optional[str]: + """Get the real value from a list header based on the configured + number of trusted proxies. + + :param trusted: Number of values to trust in the header. + :param value: Comma separated list header value to parse. + :return: The real value, or ``None`` if there are fewer values + than the number of trusted proxies. + + .. versionchanged:: 1.0 + Renamed from ``_get_trusted_comma``. + + .. versionadded:: 0.15 + """ + if not (trusted and value): + return None + values = parse_list_header(value) + if len(values) >= trusted: + return values[-trusted] + return None + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + """Modify the WSGI environ based on the various ``Forwarded`` + headers before calling the wrapped application. Store the + original environ values in ``werkzeug.proxy_fix.orig_{key}``. + """ + environ_get = environ.get + orig_remote_addr = environ_get("REMOTE_ADDR") + orig_wsgi_url_scheme = environ_get("wsgi.url_scheme") + orig_http_host = environ_get("HTTP_HOST") + environ.update( + { + "werkzeug.proxy_fix.orig": { + "REMOTE_ADDR": orig_remote_addr, + "wsgi.url_scheme": orig_wsgi_url_scheme, + "HTTP_HOST": orig_http_host, + "SERVER_NAME": environ_get("SERVER_NAME"), + "SERVER_PORT": environ_get("SERVER_PORT"), + "SCRIPT_NAME": environ_get("SCRIPT_NAME"), + } + } + ) + + x_for = self._get_real_value(self.x_for, environ_get("HTTP_X_FORWARDED_FOR")) + if x_for: + environ["REMOTE_ADDR"] = x_for + + x_proto = self._get_real_value( + self.x_proto, environ_get("HTTP_X_FORWARDED_PROTO") + ) + if x_proto: + environ["wsgi.url_scheme"] = x_proto + + x_host = self._get_real_value(self.x_host, environ_get("HTTP_X_FORWARDED_HOST")) + if x_host: + environ["HTTP_HOST"] = x_host + parts = x_host.split(":", 1) + environ["SERVER_NAME"] = parts[0] + if len(parts) == 2: + environ["SERVER_PORT"] = parts[1] + + x_port = self._get_real_value(self.x_port, environ_get("HTTP_X_FORWARDED_PORT")) + if x_port: + host = environ.get("HTTP_HOST") + if host: + parts = host.split(":", 1) + host = parts[0] if len(parts) == 2 else host + environ["HTTP_HOST"] = f"{host}:{x_port}" + environ["SERVER_PORT"] = x_port + + x_prefix = self._get_real_value( + self.x_prefix, environ_get("HTTP_X_FORWARDED_PREFIX") + ) + if x_prefix: + environ["SCRIPT_NAME"] = x_prefix + + return self.app(environ, start_response) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/shared_data.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/shared_data.py new file mode 100644 index 0000000..f11b43a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/middleware/shared_data.py @@ -0,0 +1,320 @@ +""" +Serve Shared Static Files +========================= + +.. autoclass:: SharedDataMiddleware + :members: is_allowed + +:copyright: 2007 Pallets +:license: BSD-3-Clause +""" +import mimetypes +import os +import pkgutil +import posixpath +import typing as t +from datetime import datetime +from datetime import timezone +from io import BytesIO +from time import time +from zlib import adler32 + +from ..filesystem import get_filesystem_encoding +from ..http import http_date +from ..http import is_resource_modified +from ..security import safe_join +from ..utils import get_content_type +from ..wsgi import get_path_info +from ..wsgi import wrap_file + +_TOpener = t.Callable[[], t.Tuple[t.BinaryIO, datetime, int]] +_TLoader = t.Callable[[t.Optional[str]], t.Tuple[t.Optional[str], t.Optional[_TOpener]]] + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class SharedDataMiddleware: + + """A WSGI middleware which provides static content for development + environments or simple server setups. Its usage is quite simple:: + + import os + from werkzeug.middleware.shared_data import SharedDataMiddleware + + app = SharedDataMiddleware(app, { + '/shared': os.path.join(os.path.dirname(__file__), 'shared') + }) + + The contents of the folder ``./shared`` will now be available on + ``http://example.com/shared/``. This is pretty useful during development + because a standalone media server is not required. Files can also be + mounted on the root folder and still continue to use the application because + the shared data middleware forwards all unhandled requests to the + application, even if the requests are below one of the shared folders. + + If `pkg_resources` is available you can also tell the middleware to serve + files from package data:: + + app = SharedDataMiddleware(app, { + '/static': ('myapplication', 'static') + }) + + This will then serve the ``static`` folder in the `myapplication` + Python package. + + The optional `disallow` parameter can be a list of :func:`~fnmatch.fnmatch` + rules for files that are not accessible from the web. If `cache` is set to + `False` no caching headers are sent. + + Currently the middleware does not support non-ASCII filenames. If the + encoding on the file system happens to match the encoding of the URI it may + work but this could also be by accident. We strongly suggest using ASCII + only file names for static files. + + The middleware will guess the mimetype using the Python `mimetype` + module. If it's unable to figure out the charset it will fall back + to `fallback_mimetype`. + + :param app: the application to wrap. If you don't want to wrap an + application you can pass it :exc:`NotFound`. + :param exports: a list or dict of exported files and folders. + :param disallow: a list of :func:`~fnmatch.fnmatch` rules. + :param cache: enable or disable caching headers. + :param cache_timeout: the cache timeout in seconds for the headers. + :param fallback_mimetype: The fallback mimetype for unknown files. + + .. versionchanged:: 1.0 + The default ``fallback_mimetype`` is + ``application/octet-stream``. If a filename looks like a text + mimetype, the ``utf-8`` charset is added to it. + + .. versionadded:: 0.6 + Added ``fallback_mimetype``. + + .. versionchanged:: 0.5 + Added ``cache_timeout``. + """ + + def __init__( + self, + app: "WSGIApplication", + exports: t.Union[ + t.Dict[str, t.Union[str, t.Tuple[str, str]]], + t.Iterable[t.Tuple[str, t.Union[str, t.Tuple[str, str]]]], + ], + disallow: None = None, + cache: bool = True, + cache_timeout: int = 60 * 60 * 12, + fallback_mimetype: str = "application/octet-stream", + ) -> None: + self.app = app + self.exports: t.List[t.Tuple[str, _TLoader]] = [] + self.cache = cache + self.cache_timeout = cache_timeout + + if isinstance(exports, dict): + exports = exports.items() + + for key, value in exports: + if isinstance(value, tuple): + loader = self.get_package_loader(*value) + elif isinstance(value, str): + if os.path.isfile(value): + loader = self.get_file_loader(value) + else: + loader = self.get_directory_loader(value) + else: + raise TypeError(f"unknown def {value!r}") + + self.exports.append((key, loader)) + + if disallow is not None: + from fnmatch import fnmatch + + self.is_allowed = lambda x: not fnmatch(x, disallow) + + self.fallback_mimetype = fallback_mimetype + + def is_allowed(self, filename: str) -> bool: + """Subclasses can override this method to disallow the access to + certain files. However by providing `disallow` in the constructor + this method is overwritten. + """ + return True + + def _opener(self, filename: str) -> _TOpener: + return lambda: ( + open(filename, "rb"), + datetime.fromtimestamp(os.path.getmtime(filename), tz=timezone.utc), + int(os.path.getsize(filename)), + ) + + def get_file_loader(self, filename: str) -> _TLoader: + return lambda x: (os.path.basename(filename), self._opener(filename)) + + def get_package_loader(self, package: str, package_path: str) -> _TLoader: + load_time = datetime.now(timezone.utc) + provider = pkgutil.get_loader(package) + + if hasattr(provider, "get_resource_reader"): + # Python 3 + reader = provider.get_resource_reader(package) # type: ignore + + def loader( + path: t.Optional[str], + ) -> t.Tuple[t.Optional[str], t.Optional[_TOpener]]: + if path is None: + return None, None + + path = safe_join(package_path, path) + + if path is None: + return None, None + + basename = posixpath.basename(path) + + try: + resource = reader.open_resource(path) + except OSError: + return None, None + + if isinstance(resource, BytesIO): + return ( + basename, + lambda: (resource, load_time, len(resource.getvalue())), + ) + + return ( + basename, + lambda: ( + resource, + datetime.fromtimestamp( + os.path.getmtime(resource.name), tz=timezone.utc + ), + os.path.getsize(resource.name), + ), + ) + + else: + # Python 3.6 + package_filename = provider.get_filename(package) # type: ignore + is_filesystem = os.path.exists(package_filename) + root = os.path.join(os.path.dirname(package_filename), package_path) + + def loader( + path: t.Optional[str], + ) -> t.Tuple[t.Optional[str], t.Optional[_TOpener]]: + if path is None: + return None, None + + path = safe_join(root, path) + + if path is None: + return None, None + + basename = posixpath.basename(path) + + if is_filesystem: + if not os.path.isfile(path): + return None, None + + return basename, self._opener(path) + + try: + data = provider.get_data(path) # type: ignore + except OSError: + return None, None + + return basename, lambda: (BytesIO(data), load_time, len(data)) + + return loader + + def get_directory_loader(self, directory: str) -> _TLoader: + def loader( + path: t.Optional[str], + ) -> t.Tuple[t.Optional[str], t.Optional[_TOpener]]: + if path is not None: + path = safe_join(directory, path) + + if path is None: + return None, None + else: + path = directory + + if os.path.isfile(path): + return os.path.basename(path), self._opener(path) + + return None, None + + return loader + + def generate_etag(self, mtime: datetime, file_size: int, real_filename: str) -> str: + if not isinstance(real_filename, bytes): + real_filename = real_filename.encode( # type: ignore + get_filesystem_encoding() + ) + + timestamp = mtime.timestamp() + checksum = adler32(real_filename) & 0xFFFFFFFF # type: ignore + return f"wzsdm-{timestamp}-{file_size}-{checksum}" + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + path = get_path_info(environ) + file_loader = None + + for search_path, loader in self.exports: + if search_path == path: + real_filename, file_loader = loader(None) + + if file_loader is not None: + break + + if not search_path.endswith("/"): + search_path += "/" + + if path.startswith(search_path): + real_filename, file_loader = loader(path[len(search_path) :]) + + if file_loader is not None: + break + + if file_loader is None or not self.is_allowed(real_filename): # type: ignore + return self.app(environ, start_response) + + guessed_type = mimetypes.guess_type(real_filename) # type: ignore + mime_type = get_content_type(guessed_type[0] or self.fallback_mimetype, "utf-8") + f, mtime, file_size = file_loader() + + headers = [("Date", http_date())] + + if self.cache: + timeout = self.cache_timeout + etag = self.generate_etag(mtime, file_size, real_filename) # type: ignore + headers += [ + ("Etag", f'"{etag}"'), + ("Cache-Control", f"max-age={timeout}, public"), + ] + + if not is_resource_modified(environ, etag, last_modified=mtime): + f.close() + start_response("304 Not Modified", headers) + return [] + + headers.append(("Expires", http_date(time() + timeout))) + else: + headers.append(("Cache-Control", "public")) + + headers.extend( + ( + ("Content-Type", mime_type), + ("Content-Length", str(file_size)), + ("Last-Modified", http_date(mtime)), + ) + ) + start_response("200 OK", headers) + return wrap_file(environ, f) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/py.typed b/backend/mb-env/lib/python3.9/site-packages/werkzeug/py.typed new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/routing.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/routing.py new file mode 100644 index 0000000..1043875 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/routing.py @@ -0,0 +1,2332 @@ +"""When it comes to combining multiple controller or view functions +(however you want to call them) you need a dispatcher. A simple way +would be applying regular expression tests on the ``PATH_INFO`` and +calling registered callback functions that return the value then. + +This module implements a much more powerful system than simple regular +expression matching because it can also convert values in the URLs and +build URLs. + +Here a simple example that creates a URL map for an application with +two subdomains (www and kb) and some URL rules: + +.. code-block:: python + + m = Map([ + # Static URLs + Rule('/', endpoint='static/index'), + Rule('/about', endpoint='static/about'), + Rule('/help', endpoint='static/help'), + # Knowledge Base + Subdomain('kb', [ + Rule('/', endpoint='kb/index'), + Rule('/browse/', endpoint='kb/browse'), + Rule('/browse//', endpoint='kb/browse'), + Rule('/browse//', endpoint='kb/browse') + ]) + ], default_subdomain='www') + +If the application doesn't use subdomains it's perfectly fine to not set +the default subdomain and not use the `Subdomain` rule factory. The +endpoint in the rules can be anything, for example import paths or +unique identifiers. The WSGI application can use those endpoints to get the +handler for that URL. It doesn't have to be a string at all but it's +recommended. + +Now it's possible to create a URL adapter for one of the subdomains and +build URLs: + +.. code-block:: python + + c = m.bind('example.com') + + c.build("kb/browse", dict(id=42)) + 'http://kb.example.com/browse/42/' + + c.build("kb/browse", dict()) + 'http://kb.example.com/browse/' + + c.build("kb/browse", dict(id=42, page=3)) + 'http://kb.example.com/browse/42/3' + + c.build("static/about") + '/about' + + c.build("static/index", force_external=True) + 'http://www.example.com/' + + c = m.bind('example.com', subdomain='kb') + + c.build("static/about") + 'http://www.example.com/about' + +The first argument to bind is the server name *without* the subdomain. +Per default it will assume that the script is mounted on the root, but +often that's not the case so you can provide the real mount point as +second argument: + +.. code-block:: python + + c = m.bind('example.com', '/applications/example') + +The third argument can be the subdomain, if not given the default +subdomain is used. For more details about binding have a look at the +documentation of the `MapAdapter`. + +And here is how you can match URLs: + +.. code-block:: python + + c = m.bind('example.com') + + c.match("/") + ('static/index', {}) + + c.match("/about") + ('static/about', {}) + + c = m.bind('example.com', '/', 'kb') + + c.match("/") + ('kb/index', {}) + + c.match("/browse/42/23") + ('kb/browse', {'id': 42, 'page': 23}) + +If matching fails you get a ``NotFound`` exception, if the rule thinks +it's a good idea to redirect (for example because the URL was defined +to have a slash at the end but the request was missing that slash) it +will raise a ``RequestRedirect`` exception. Both are subclasses of +``HTTPException`` so you can use those errors as responses in the +application. + +If matching succeeded but the URL rule was incompatible to the given +method (for example there were only rules for ``GET`` and ``HEAD`` but +routing tried to match a ``POST`` request) a ``MethodNotAllowed`` +exception is raised. +""" +import ast +import difflib +import posixpath +import re +import typing +import typing as t +import uuid +import warnings +from pprint import pformat +from string import Template +from threading import Lock +from types import CodeType + +from ._internal import _encode_idna +from ._internal import _get_environ +from ._internal import _to_bytes +from ._internal import _to_str +from ._internal import _wsgi_decoding_dance +from .datastructures import ImmutableDict +from .datastructures import MultiDict +from .exceptions import BadHost +from .exceptions import BadRequest +from .exceptions import HTTPException +from .exceptions import MethodNotAllowed +from .exceptions import NotFound +from .urls import _fast_url_quote +from .urls import url_encode +from .urls import url_join +from .urls import url_quote +from .utils import cached_property +from .utils import redirect +from .wsgi import get_host + +if t.TYPE_CHECKING: + import typing_extensions as te + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + from .wrappers.response import Response + +_rule_re = re.compile( + r""" + (?P[^<]*) # static rule data + < + (?: + (?P[a-zA-Z_][a-zA-Z0-9_]*) # converter name + (?:\((?P.*?)\))? # converter arguments + \: # variable delimiter + )? + (?P[a-zA-Z_][a-zA-Z0-9_]*) # variable name + > + """, + re.VERBOSE, +) +_simple_rule_re = re.compile(r"<([^>]+)>") +_converter_args_re = re.compile( + r""" + ((?P\w+)\s*=\s*)? + (?P + True|False| + \d+.\d+| + \d+.| + \d+| + [\w\d_.]+| + [urUR]?(?P"[^"]*?"|'[^']*') + )\s*, + """, + re.VERBOSE, +) + + +_PYTHON_CONSTANTS = {"None": None, "True": True, "False": False} + + +def _pythonize(value: str) -> t.Union[None, bool, int, float, str]: + if value in _PYTHON_CONSTANTS: + return _PYTHON_CONSTANTS[value] + for convert in int, float: + try: + return convert(value) # type: ignore + except ValueError: + pass + if value[:1] == value[-1:] and value[0] in "\"'": + value = value[1:-1] + return str(value) + + +def parse_converter_args(argstr: str) -> t.Tuple[t.Tuple, t.Dict[str, t.Any]]: + argstr += "," + args = [] + kwargs = {} + + for item in _converter_args_re.finditer(argstr): + value = item.group("stringval") + if value is None: + value = item.group("value") + value = _pythonize(value) + if not item.group("name"): + args.append(value) + else: + name = item.group("name") + kwargs[name] = value + + return tuple(args), kwargs + + +def parse_rule(rule: str) -> t.Iterator[t.Tuple[t.Optional[str], t.Optional[str], str]]: + """Parse a rule and return it as generator. Each iteration yields tuples + in the form ``(converter, arguments, variable)``. If the converter is + `None` it's a static url part, otherwise it's a dynamic one. + + :internal: + """ + pos = 0 + end = len(rule) + do_match = _rule_re.match + used_names = set() + while pos < end: + m = do_match(rule, pos) + if m is None: + break + data = m.groupdict() + if data["static"]: + yield None, None, data["static"] + variable = data["variable"] + converter = data["converter"] or "default" + if variable in used_names: + raise ValueError(f"variable name {variable!r} used twice.") + used_names.add(variable) + yield converter, data["args"] or None, variable + pos = m.end() + if pos < end: + remaining = rule[pos:] + if ">" in remaining or "<" in remaining: + raise ValueError(f"malformed url rule: {rule!r}") + yield None, None, remaining + + +class RoutingException(Exception): + """Special exceptions that require the application to redirect, notifying + about missing urls, etc. + + :internal: + """ + + +class RequestRedirect(HTTPException, RoutingException): + """Raise if the map requests a redirect. This is for example the case if + `strict_slashes` are activated and an url that requires a trailing slash. + + The attribute `new_url` contains the absolute destination url. + """ + + code = 308 + + def __init__(self, new_url: str) -> None: + super().__init__(new_url) + self.new_url = new_url + + def get_response( + self, + environ: t.Optional["WSGIEnvironment"] = None, + scope: t.Optional[dict] = None, + ) -> "Response": + return redirect(self.new_url, self.code) + + +class RequestPath(RoutingException): + """Internal exception.""" + + __slots__ = ("path_info",) + + def __init__(self, path_info: str) -> None: + super().__init__() + self.path_info = path_info + + +class RequestAliasRedirect(RoutingException): # noqa: B903 + """This rule is an alias and wants to redirect to the canonical URL.""" + + def __init__(self, matched_values: t.Mapping[str, t.Any]) -> None: + super().__init__() + self.matched_values = matched_values + + +class BuildError(RoutingException, LookupError): + """Raised if the build system cannot find a URL for an endpoint with the + values provided. + """ + + def __init__( + self, + endpoint: str, + values: t.Mapping[str, t.Any], + method: t.Optional[str], + adapter: t.Optional["MapAdapter"] = None, + ) -> None: + super().__init__(endpoint, values, method) + self.endpoint = endpoint + self.values = values + self.method = method + self.adapter = adapter + + @cached_property + def suggested(self) -> t.Optional["Rule"]: + return self.closest_rule(self.adapter) + + def closest_rule(self, adapter: t.Optional["MapAdapter"]) -> t.Optional["Rule"]: + def _score_rule(rule: "Rule") -> float: + return sum( + [ + 0.98 + * difflib.SequenceMatcher( + None, rule.endpoint, self.endpoint + ).ratio(), + 0.01 * bool(set(self.values or ()).issubset(rule.arguments)), + 0.01 * bool(rule.methods and self.method in rule.methods), + ] + ) + + if adapter and adapter.map._rules: + return max(adapter.map._rules, key=_score_rule) + + return None + + def __str__(self) -> str: + message = [f"Could not build url for endpoint {self.endpoint!r}"] + if self.method: + message.append(f" ({self.method!r})") + if self.values: + message.append(f" with values {sorted(self.values)!r}") + message.append(".") + if self.suggested: + if self.endpoint == self.suggested.endpoint: + if ( + self.method + and self.suggested.methods is not None + and self.method not in self.suggested.methods + ): + message.append( + " Did you mean to use methods" + f" {sorted(self.suggested.methods)!r}?" + ) + missing_values = self.suggested.arguments.union( + set(self.suggested.defaults or ()) + ) - set(self.values.keys()) + if missing_values: + message.append( + f" Did you forget to specify values {sorted(missing_values)!r}?" + ) + else: + message.append(f" Did you mean {self.suggested.endpoint!r} instead?") + return "".join(message) + + +class WebsocketMismatch(BadRequest): + """The only matched rule is either a WebSocket and the request is + HTTP, or the rule is HTTP and the request is a WebSocket. + """ + + +class ValidationError(ValueError): + """Validation error. If a rule converter raises this exception the rule + does not match the current URL and the next URL is tried. + """ + + +class RuleFactory: + """As soon as you have more complex URL setups it's a good idea to use rule + factories to avoid repetitive tasks. Some of them are builtin, others can + be added by subclassing `RuleFactory` and overriding `get_rules`. + """ + + def get_rules(self, map: "Map") -> t.Iterable["Rule"]: + """Subclasses of `RuleFactory` have to override this method and return + an iterable of rules.""" + raise NotImplementedError() + + +class Subdomain(RuleFactory): + """All URLs provided by this factory have the subdomain set to a + specific domain. For example if you want to use the subdomain for + the current language this can be a good setup:: + + url_map = Map([ + Rule('/', endpoint='#select_language'), + Subdomain('', [ + Rule('/', endpoint='index'), + Rule('/about', endpoint='about'), + Rule('/help', endpoint='help') + ]) + ]) + + All the rules except for the ``'#select_language'`` endpoint will now + listen on a two letter long subdomain that holds the language code + for the current request. + """ + + def __init__(self, subdomain: str, rules: t.Iterable["Rule"]) -> None: + self.subdomain = subdomain + self.rules = rules + + def get_rules(self, map: "Map") -> t.Iterator["Rule"]: + for rulefactory in self.rules: + for rule in rulefactory.get_rules(map): + rule = rule.empty() + rule.subdomain = self.subdomain + yield rule + + +class Submount(RuleFactory): + """Like `Subdomain` but prefixes the URL rule with a given string:: + + url_map = Map([ + Rule('/', endpoint='index'), + Submount('/blog', [ + Rule('/', endpoint='blog/index'), + Rule('/entry/', endpoint='blog/show') + ]) + ]) + + Now the rule ``'blog/show'`` matches ``/blog/entry/``. + """ + + def __init__(self, path: str, rules: t.Iterable["Rule"]) -> None: + self.path = path.rstrip("/") + self.rules = rules + + def get_rules(self, map: "Map") -> t.Iterator["Rule"]: + for rulefactory in self.rules: + for rule in rulefactory.get_rules(map): + rule = rule.empty() + rule.rule = self.path + rule.rule + yield rule + + +class EndpointPrefix(RuleFactory): + """Prefixes all endpoints (which must be strings for this factory) with + another string. This can be useful for sub applications:: + + url_map = Map([ + Rule('/', endpoint='index'), + EndpointPrefix('blog/', [Submount('/blog', [ + Rule('/', endpoint='index'), + Rule('/entry/', endpoint='show') + ])]) + ]) + """ + + def __init__(self, prefix: str, rules: t.Iterable["Rule"]) -> None: + self.prefix = prefix + self.rules = rules + + def get_rules(self, map: "Map") -> t.Iterator["Rule"]: + for rulefactory in self.rules: + for rule in rulefactory.get_rules(map): + rule = rule.empty() + rule.endpoint = self.prefix + rule.endpoint + yield rule + + +class RuleTemplate: + """Returns copies of the rules wrapped and expands string templates in + the endpoint, rule, defaults or subdomain sections. + + Here a small example for such a rule template:: + + from werkzeug.routing import Map, Rule, RuleTemplate + + resource = RuleTemplate([ + Rule('/$name/', endpoint='$name.list'), + Rule('/$name/', endpoint='$name.show') + ]) + + url_map = Map([resource(name='user'), resource(name='page')]) + + When a rule template is called the keyword arguments are used to + replace the placeholders in all the string parameters. + """ + + def __init__(self, rules: t.Iterable["Rule"]) -> None: + self.rules = list(rules) + + def __call__(self, *args: t.Any, **kwargs: t.Any) -> "RuleTemplateFactory": + return RuleTemplateFactory(self.rules, dict(*args, **kwargs)) + + +class RuleTemplateFactory(RuleFactory): + """A factory that fills in template variables into rules. Used by + `RuleTemplate` internally. + + :internal: + """ + + def __init__(self, rules: t.Iterable["Rule"], context: t.Dict[str, t.Any]) -> None: + self.rules = rules + self.context = context + + def get_rules(self, map: "Map") -> t.Iterator["Rule"]: + for rulefactory in self.rules: + for rule in rulefactory.get_rules(map): + new_defaults = subdomain = None + if rule.defaults: + new_defaults = {} + for key, value in rule.defaults.items(): + if isinstance(value, str): + value = Template(value).substitute(self.context) + new_defaults[key] = value + if rule.subdomain is not None: + subdomain = Template(rule.subdomain).substitute(self.context) + new_endpoint = rule.endpoint + if isinstance(new_endpoint, str): + new_endpoint = Template(new_endpoint).substitute(self.context) + yield Rule( + Template(rule.rule).substitute(self.context), + new_defaults, + subdomain, + rule.methods, + rule.build_only, + new_endpoint, + rule.strict_slashes, + ) + + +def _prefix_names(src: str) -> ast.stmt: + """ast parse and prefix names with `.` to avoid collision with user vars""" + tree = ast.parse(src).body[0] + if isinstance(tree, ast.Expr): + tree = tree.value # type: ignore + for node in ast.walk(tree): + if isinstance(node, ast.Name): + node.id = f".{node.id}" + return tree + + +_CALL_CONVERTER_CODE_FMT = "self._converters[{elem!r}].to_url()" +_IF_KWARGS_URL_ENCODE_CODE = """\ +if kwargs: + q = '?' + params = self._encode_query_vars(kwargs) +else: + q = params = '' +""" +_IF_KWARGS_URL_ENCODE_AST = _prefix_names(_IF_KWARGS_URL_ENCODE_CODE) +_URL_ENCODE_AST_NAMES = (_prefix_names("q"), _prefix_names("params")) + + +class Rule(RuleFactory): + """A Rule represents one URL pattern. There are some options for `Rule` + that change the way it behaves and are passed to the `Rule` constructor. + Note that besides the rule-string all arguments *must* be keyword arguments + in order to not break the application on Werkzeug upgrades. + + `string` + Rule strings basically are just normal URL paths with placeholders in + the format ```` where the converter and the + arguments are optional. If no converter is defined the `default` + converter is used which means `string` in the normal configuration. + + URL rules that end with a slash are branch URLs, others are leaves. + If you have `strict_slashes` enabled (which is the default), all + branch URLs that are matched without a trailing slash will trigger a + redirect to the same URL with the missing slash appended. + + The converters are defined on the `Map`. + + `endpoint` + The endpoint for this rule. This can be anything. A reference to a + function, a string, a number etc. The preferred way is using a string + because the endpoint is used for URL generation. + + `defaults` + An optional dict with defaults for other rules with the same endpoint. + This is a bit tricky but useful if you want to have unique URLs:: + + url_map = Map([ + Rule('/all/', defaults={'page': 1}, endpoint='all_entries'), + Rule('/all/page/', endpoint='all_entries') + ]) + + If a user now visits ``http://example.com/all/page/1`` he will be + redirected to ``http://example.com/all/``. If `redirect_defaults` is + disabled on the `Map` instance this will only affect the URL + generation. + + `subdomain` + The subdomain rule string for this rule. If not specified the rule + only matches for the `default_subdomain` of the map. If the map is + not bound to a subdomain this feature is disabled. + + Can be useful if you want to have user profiles on different subdomains + and all subdomains are forwarded to your application:: + + url_map = Map([ + Rule('/', subdomain='', endpoint='user/homepage'), + Rule('/stats', subdomain='', endpoint='user/stats') + ]) + + `methods` + A sequence of http methods this rule applies to. If not specified, all + methods are allowed. For example this can be useful if you want different + endpoints for `POST` and `GET`. If methods are defined and the path + matches but the method matched against is not in this list or in the + list of another rule for that path the error raised is of the type + `MethodNotAllowed` rather than `NotFound`. If `GET` is present in the + list of methods and `HEAD` is not, `HEAD` is added automatically. + + `strict_slashes` + Override the `Map` setting for `strict_slashes` only for this rule. If + not specified the `Map` setting is used. + + `merge_slashes` + Override :attr:`Map.merge_slashes` for this rule. + + `build_only` + Set this to True and the rule will never match but will create a URL + that can be build. This is useful if you have resources on a subdomain + or folder that are not handled by the WSGI application (like static data) + + `redirect_to` + If given this must be either a string or callable. In case of a + callable it's called with the url adapter that triggered the match and + the values of the URL as keyword arguments and has to return the target + for the redirect, otherwise it has to be a string with placeholders in + rule syntax:: + + def foo_with_slug(adapter, id): + # ask the database for the slug for the old id. this of + # course has nothing to do with werkzeug. + return f'foo/{Foo.get_slug_for_id(id)}' + + url_map = Map([ + Rule('/foo/', endpoint='foo'), + Rule('/some/old/url/', redirect_to='foo/'), + Rule('/other/old/url/', redirect_to=foo_with_slug) + ]) + + When the rule is matched the routing system will raise a + `RequestRedirect` exception with the target for the redirect. + + Keep in mind that the URL will be joined against the URL root of the + script so don't use a leading slash on the target URL unless you + really mean root of that domain. + + `alias` + If enabled this rule serves as an alias for another rule with the same + endpoint and arguments. + + `host` + If provided and the URL map has host matching enabled this can be + used to provide a match rule for the whole host. This also means + that the subdomain feature is disabled. + + `websocket` + If ``True``, this rule is only matches for WebSocket (``ws://``, + ``wss://``) requests. By default, rules will only match for HTTP + requests. + + .. versionadded:: 1.0 + Added ``websocket``. + + .. versionadded:: 1.0 + Added ``merge_slashes``. + + .. versionadded:: 0.7 + Added ``alias`` and ``host``. + + .. versionchanged:: 0.6.1 + ``HEAD`` is added to ``methods`` if ``GET`` is present. + """ + + def __init__( + self, + string: str, + defaults: t.Optional[t.Mapping[str, t.Any]] = None, + subdomain: t.Optional[str] = None, + methods: t.Optional[t.Iterable[str]] = None, + build_only: bool = False, + endpoint: t.Optional[str] = None, + strict_slashes: t.Optional[bool] = None, + merge_slashes: t.Optional[bool] = None, + redirect_to: t.Optional[t.Union[str, t.Callable[..., str]]] = None, + alias: bool = False, + host: t.Optional[str] = None, + websocket: bool = False, + ) -> None: + if not string.startswith("/"): + raise ValueError("urls must start with a leading slash") + self.rule = string + self.is_leaf = not string.endswith("/") + + self.map: "Map" = None # type: ignore + self.strict_slashes = strict_slashes + self.merge_slashes = merge_slashes + self.subdomain = subdomain + self.host = host + self.defaults = defaults + self.build_only = build_only + self.alias = alias + self.websocket = websocket + + if methods is not None: + if isinstance(methods, str): + raise TypeError("'methods' should be a list of strings.") + + methods = {x.upper() for x in methods} + + if "HEAD" not in methods and "GET" in methods: + methods.add("HEAD") + + if websocket and methods - {"GET", "HEAD", "OPTIONS"}: + raise ValueError( + "WebSocket rules can only use 'GET', 'HEAD', and 'OPTIONS' methods." + ) + + self.methods = methods + self.endpoint: str = endpoint # type: ignore + self.redirect_to = redirect_to + + if defaults: + self.arguments = set(map(str, defaults)) + else: + self.arguments = set() + + self._trace: t.List[t.Tuple[bool, str]] = [] + + def empty(self) -> "Rule": + """ + Return an unbound copy of this rule. + + This can be useful if want to reuse an already bound URL for another + map. See ``get_empty_kwargs`` to override what keyword arguments are + provided to the new copy. + """ + return type(self)(self.rule, **self.get_empty_kwargs()) + + def get_empty_kwargs(self) -> t.Mapping[str, t.Any]: + """ + Provides kwargs for instantiating empty copy with empty() + + Use this method to provide custom keyword arguments to the subclass of + ``Rule`` when calling ``some_rule.empty()``. Helpful when the subclass + has custom keyword arguments that are needed at instantiation. + + Must return a ``dict`` that will be provided as kwargs to the new + instance of ``Rule``, following the initial ``self.rule`` value which + is always provided as the first, required positional argument. + """ + defaults = None + if self.defaults: + defaults = dict(self.defaults) + return dict( + defaults=defaults, + subdomain=self.subdomain, + methods=self.methods, + build_only=self.build_only, + endpoint=self.endpoint, + strict_slashes=self.strict_slashes, + redirect_to=self.redirect_to, + alias=self.alias, + host=self.host, + ) + + def get_rules(self, map: "Map") -> t.Iterator["Rule"]: + yield self + + def refresh(self) -> None: + """Rebinds and refreshes the URL. Call this if you modified the + rule in place. + + :internal: + """ + self.bind(self.map, rebind=True) + + def bind(self, map: "Map", rebind: bool = False) -> None: + """Bind the url to a map and create a regular expression based on + the information from the rule itself and the defaults from the map. + + :internal: + """ + if self.map is not None and not rebind: + raise RuntimeError(f"url rule {self!r} already bound to map {self.map!r}") + self.map = map + if self.strict_slashes is None: + self.strict_slashes = map.strict_slashes + if self.merge_slashes is None: + self.merge_slashes = map.merge_slashes + if self.subdomain is None: + self.subdomain = map.default_subdomain + self.compile() + + def get_converter( + self, + variable_name: str, + converter_name: str, + args: t.Tuple, + kwargs: t.Mapping[str, t.Any], + ) -> "BaseConverter": + """Looks up the converter for the given parameter. + + .. versionadded:: 0.9 + """ + if converter_name not in self.map.converters: + raise LookupError(f"the converter {converter_name!r} does not exist") + return self.map.converters[converter_name](self.map, *args, **kwargs) + + def _encode_query_vars(self, query_vars: t.Mapping[str, t.Any]) -> str: + return url_encode( + query_vars, + charset=self.map.charset, + sort=self.map.sort_parameters, + key=self.map.sort_key, + ) + + def compile(self) -> None: + """Compiles the regular expression and stores it.""" + assert self.map is not None, "rule not bound" + + if self.map.host_matching: + domain_rule = self.host or "" + else: + domain_rule = self.subdomain or "" + + self._trace = [] + self._converters: t.Dict[str, "BaseConverter"] = {} + self._static_weights: t.List[t.Tuple[int, int]] = [] + self._argument_weights: t.List[int] = [] + regex_parts = [] + + def _build_regex(rule: str) -> None: + index = 0 + for converter, arguments, variable in parse_rule(rule): + if converter is None: + for match in re.finditer(r"/+|[^/]+", variable): + part = match.group(0) + if part.startswith("/"): + if self.merge_slashes: + regex_parts.append(r"/+?") + self._trace.append((False, "/")) + else: + regex_parts.append(part) + self._trace.append((False, part)) + continue + self._trace.append((False, part)) + regex_parts.append(re.escape(part)) + if part: + self._static_weights.append((index, -len(part))) + else: + if arguments: + c_args, c_kwargs = parse_converter_args(arguments) + else: + c_args = () + c_kwargs = {} + convobj = self.get_converter(variable, converter, c_args, c_kwargs) + regex_parts.append(f"(?P<{variable}>{convobj.regex})") + self._converters[variable] = convobj + self._trace.append((True, variable)) + self._argument_weights.append(convobj.weight) + self.arguments.add(str(variable)) + index = index + 1 + + _build_regex(domain_rule) + regex_parts.append("\\|") + self._trace.append((False, "|")) + _build_regex(self.rule if self.is_leaf else self.rule.rstrip("/")) + if not self.is_leaf: + self._trace.append((False, "/")) + + self._build: t.Callable[..., t.Tuple[str, str]] + self._build = self._compile_builder(False).__get__(self, None) # type: ignore + self._build_unknown: t.Callable[..., t.Tuple[str, str]] + self._build_unknown = self._compile_builder(True).__get__( # type: ignore + self, None + ) + + if self.build_only: + return + + if not (self.is_leaf and self.strict_slashes): + reps = "*" if self.merge_slashes else "?" + tail = f"(?/{reps})" + else: + tail = "" + + regex = f"^{''.join(regex_parts)}{tail}$" + self._regex = re.compile(regex) + + def match( + self, path: str, method: t.Optional[str] = None + ) -> t.Optional[t.MutableMapping[str, t.Any]]: + """Check if the rule matches a given path. Path is a string in the + form ``"subdomain|/path"`` and is assembled by the map. If + the map is doing host matching the subdomain part will be the host + instead. + + If the rule matches a dict with the converted values is returned, + otherwise the return value is `None`. + + :internal: + """ + if not self.build_only: + require_redirect = False + + m = self._regex.search(path) + if m is not None: + groups = m.groupdict() + # we have a folder like part of the url without a trailing + # slash and strict slashes enabled. raise an exception that + # tells the map to redirect to the same url but with a + # trailing slash + if ( + self.strict_slashes + and not self.is_leaf + and not groups.pop("__suffix__") + and ( + method is None or self.methods is None or method in self.methods + ) + ): + path += "/" + require_redirect = True + # if we are not in strict slashes mode we have to remove + # a __suffix__ + elif not self.strict_slashes: + del groups["__suffix__"] + + result = {} + for name, value in groups.items(): + try: + value = self._converters[name].to_python(value) + except ValidationError: + return None + result[str(name)] = value + if self.defaults: + result.update(self.defaults) + + if self.merge_slashes: + new_path = "|".join(self.build(result, False)) # type: ignore + if path.endswith("/") and not new_path.endswith("/"): + new_path += "/" + if new_path.count("/") < path.count("/"): + path = new_path + require_redirect = True + + if require_redirect: + path = path.split("|", 1)[1] + raise RequestPath(path) + + if self.alias and self.map.redirect_defaults: + raise RequestAliasRedirect(result) + + return result + + return None + + @staticmethod + def _get_func_code(code: CodeType, name: str) -> t.Callable[..., t.Tuple[str, str]]: + globs: t.Dict[str, t.Any] = {} + locs: t.Dict[str, t.Any] = {} + exec(code, globs, locs) + return locs[name] # type: ignore + + def _compile_builder( + self, append_unknown: bool = True + ) -> t.Callable[..., t.Tuple[str, str]]: + defaults = self.defaults or {} + dom_ops: t.List[t.Tuple[bool, str]] = [] + url_ops: t.List[t.Tuple[bool, str]] = [] + + opl = dom_ops + for is_dynamic, data in self._trace: + if data == "|" and opl is dom_ops: + opl = url_ops + continue + # this seems like a silly case to ever come up but: + # if a default is given for a value that appears in the rule, + # resolve it to a constant ahead of time + if is_dynamic and data in defaults: + data = self._converters[data].to_url(defaults[data]) + opl.append((False, data)) + elif not is_dynamic: + opl.append( + (False, url_quote(_to_bytes(data, self.map.charset), safe="/:|+")) + ) + else: + opl.append((True, data)) + + def _convert(elem: str) -> ast.stmt: + ret = _prefix_names(_CALL_CONVERTER_CODE_FMT.format(elem=elem)) + ret.args = [ast.Name(str(elem), ast.Load())] # type: ignore # str for py2 + return ret + + def _parts(ops: t.List[t.Tuple[bool, str]]) -> t.List[ast.AST]: + parts = [ + _convert(elem) if is_dynamic else ast.Str(s=elem) + for is_dynamic, elem in ops + ] + parts = parts or [ast.Str("")] + # constant fold + ret = [parts[0]] + for p in parts[1:]: + if isinstance(p, ast.Str) and isinstance(ret[-1], ast.Str): + ret[-1] = ast.Str(ret[-1].s + p.s) + else: + ret.append(p) + return ret + + dom_parts = _parts(dom_ops) + url_parts = _parts(url_ops) + if not append_unknown: + body = [] + else: + body = [_IF_KWARGS_URL_ENCODE_AST] + url_parts.extend(_URL_ENCODE_AST_NAMES) + + def _join(parts: t.List[ast.AST]) -> ast.AST: + if len(parts) == 1: # shortcut + return parts[0] + return ast.JoinedStr(parts) + + body.append( + ast.Return(ast.Tuple([_join(dom_parts), _join(url_parts)], ast.Load())) + ) + + pargs = [ + elem + for is_dynamic, elem in dom_ops + url_ops + if is_dynamic and elem not in defaults + ] + kargs = [str(k) for k in defaults] + + func_ast: ast.FunctionDef = _prefix_names("def _(): pass") # type: ignore + func_ast.name = f"" + func_ast.args.args.append(ast.arg(".self", None)) + for arg in pargs + kargs: + func_ast.args.args.append(ast.arg(arg, None)) + func_ast.args.kwarg = ast.arg(".kwargs", None) + for _ in kargs: + func_ast.args.defaults.append(ast.Str("")) + func_ast.body = body + + # use `ast.parse` instead of `ast.Module` for better portability + # Python 3.8 changes the signature of `ast.Module` + module = ast.parse("") + module.body = [func_ast] + + # mark everything as on line 1, offset 0 + # less error-prone than `ast.fix_missing_locations` + # bad line numbers cause an assert to fail in debug builds + for node in ast.walk(module): + if "lineno" in node._attributes: + node.lineno = 1 + if "col_offset" in node._attributes: + node.col_offset = 0 + + code = compile(module, "", "exec") + return self._get_func_code(code, func_ast.name) + + def build( + self, values: t.Mapping[str, t.Any], append_unknown: bool = True + ) -> t.Optional[t.Tuple[str, str]]: + """Assembles the relative url for that rule and the subdomain. + If building doesn't work for some reasons `None` is returned. + + :internal: + """ + try: + if append_unknown: + return self._build_unknown(**values) + else: + return self._build(**values) + except ValidationError: + return None + + def provides_defaults_for(self, rule: "Rule") -> bool: + """Check if this rule has defaults for a given rule. + + :internal: + """ + return bool( + not self.build_only + and self.defaults + and self.endpoint == rule.endpoint + and self != rule + and self.arguments == rule.arguments + ) + + def suitable_for( + self, values: t.Mapping[str, t.Any], method: t.Optional[str] = None + ) -> bool: + """Check if the dict of values has enough data for url generation. + + :internal: + """ + # if a method was given explicitly and that method is not supported + # by this rule, this rule is not suitable. + if ( + method is not None + and self.methods is not None + and method not in self.methods + ): + return False + + defaults = self.defaults or () + + # all arguments required must be either in the defaults dict or + # the value dictionary otherwise it's not suitable + for key in self.arguments: + if key not in defaults and key not in values: + return False + + # in case defaults are given we ensure that either the value was + # skipped or the value is the same as the default value. + if defaults: + for key, value in defaults.items(): + if key in values and value != values[key]: + return False + + return True + + def match_compare_key( + self, + ) -> t.Tuple[bool, int, t.Iterable[t.Tuple[int, int]], int, t.Iterable[int]]: + """The match compare key for sorting. + + Current implementation: + + 1. rules without any arguments come first for performance + reasons only as we expect them to match faster and some + common ones usually don't have any arguments (index pages etc.) + 2. rules with more static parts come first so the second argument + is the negative length of the number of the static weights. + 3. we order by static weights, which is a combination of index + and length + 4. The more complex rules come first so the next argument is the + negative length of the number of argument weights. + 5. lastly we order by the actual argument weights. + + :internal: + """ + return ( + bool(self.arguments), + -len(self._static_weights), + self._static_weights, + -len(self._argument_weights), + self._argument_weights, + ) + + def build_compare_key(self) -> t.Tuple[int, int, int]: + """The build compare key for sorting. + + :internal: + """ + return (1 if self.alias else 0, -len(self.arguments), -len(self.defaults or ())) + + def __eq__(self, other: object) -> bool: + return isinstance(other, type(self)) and self._trace == other._trace + + __hash__ = None # type: ignore + + def __str__(self) -> str: + return self.rule + + def __repr__(self) -> str: + if self.map is None: + return f"<{type(self).__name__} (unbound)>" + parts = [] + for is_dynamic, data in self._trace: + if is_dynamic: + parts.append(f"<{data}>") + else: + parts.append(data) + parts = "".join(parts).lstrip("|") + methods = f" ({', '.join(self.methods)})" if self.methods is not None else "" + return f"<{type(self).__name__} {parts!r}{methods} -> {self.endpoint}>" + + +class BaseConverter: + """Base class for all converters.""" + + regex = "[^/]+" + weight = 100 + + def __init__(self, map: "Map", *args: t.Any, **kwargs: t.Any) -> None: + self.map = map + + def to_python(self, value: str) -> t.Any: + return value + + def to_url(self, value: t.Any) -> str: + if isinstance(value, (bytes, bytearray)): + return _fast_url_quote(value) + return _fast_url_quote(str(value).encode(self.map.charset)) + + +class UnicodeConverter(BaseConverter): + """This converter is the default converter and accepts any string but + only one path segment. Thus the string can not include a slash. + + This is the default validator. + + Example:: + + Rule('/pages/'), + Rule('/') + + :param map: the :class:`Map`. + :param minlength: the minimum length of the string. Must be greater + or equal 1. + :param maxlength: the maximum length of the string. + :param length: the exact length of the string. + """ + + def __init__( + self, + map: "Map", + minlength: int = 1, + maxlength: t.Optional[int] = None, + length: t.Optional[int] = None, + ) -> None: + super().__init__(map) + if length is not None: + length_regex = f"{{{int(length)}}}" + else: + if maxlength is None: + maxlength_value = "" + else: + maxlength_value = str(int(maxlength)) + length_regex = f"{{{int(minlength)},{maxlength_value}}}" + self.regex = f"[^/]{length_regex}" + + +class AnyConverter(BaseConverter): + """Matches one of the items provided. Items can either be Python + identifiers or strings:: + + Rule('/') + + :param map: the :class:`Map`. + :param items: this function accepts the possible items as positional + arguments. + """ + + def __init__(self, map: "Map", *items: str) -> None: + super().__init__(map) + self.regex = f"(?:{'|'.join([re.escape(x) for x in items])})" + + +class PathConverter(BaseConverter): + """Like the default :class:`UnicodeConverter`, but it also matches + slashes. This is useful for wikis and similar applications:: + + Rule('/') + Rule('//edit') + + :param map: the :class:`Map`. + """ + + regex = "[^/].*?" + weight = 200 + + +class NumberConverter(BaseConverter): + """Baseclass for `IntegerConverter` and `FloatConverter`. + + :internal: + """ + + weight = 50 + num_convert: t.Callable = int + + def __init__( + self, + map: "Map", + fixed_digits: int = 0, + min: t.Optional[int] = None, + max: t.Optional[int] = None, + signed: bool = False, + ) -> None: + if signed: + self.regex = self.signed_regex + super().__init__(map) + self.fixed_digits = fixed_digits + self.min = min + self.max = max + self.signed = signed + + def to_python(self, value: str) -> t.Any: + if self.fixed_digits and len(value) != self.fixed_digits: + raise ValidationError() + value = self.num_convert(value) + if (self.min is not None and value < self.min) or ( + self.max is not None and value > self.max + ): + raise ValidationError() + return value + + def to_url(self, value: t.Any) -> str: + value = str(self.num_convert(value)) + if self.fixed_digits: + value = value.zfill(self.fixed_digits) + return value + + @property + def signed_regex(self) -> str: + return f"-?{self.regex}" + + +class IntegerConverter(NumberConverter): + """This converter only accepts integer values:: + + Rule("/page/") + + By default it only accepts unsigned, positive values. The ``signed`` + parameter will enable signed, negative values. :: + + Rule("/page/") + + :param map: The :class:`Map`. + :param fixed_digits: The number of fixed digits in the URL. If you + set this to ``4`` for example, the rule will only match if the + URL looks like ``/0001/``. The default is variable length. + :param min: The minimal value. + :param max: The maximal value. + :param signed: Allow signed (negative) values. + + .. versionadded:: 0.15 + The ``signed`` parameter. + """ + + regex = r"\d+" + + +class FloatConverter(NumberConverter): + """This converter only accepts floating point values:: + + Rule("/probability/") + + By default it only accepts unsigned, positive values. The ``signed`` + parameter will enable signed, negative values. :: + + Rule("/offset/") + + :param map: The :class:`Map`. + :param min: The minimal value. + :param max: The maximal value. + :param signed: Allow signed (negative) values. + + .. versionadded:: 0.15 + The ``signed`` parameter. + """ + + regex = r"\d+\.\d+" + num_convert = float + + def __init__( + self, + map: "Map", + min: t.Optional[float] = None, + max: t.Optional[float] = None, + signed: bool = False, + ) -> None: + super().__init__(map, min=min, max=max, signed=signed) # type: ignore + + +class UUIDConverter(BaseConverter): + """This converter only accepts UUID strings:: + + Rule('/object/') + + .. versionadded:: 0.10 + + :param map: the :class:`Map`. + """ + + regex = ( + r"[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-" + r"[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}" + ) + + def to_python(self, value: str) -> uuid.UUID: + return uuid.UUID(value) + + def to_url(self, value: uuid.UUID) -> str: + return str(value) + + +#: the default converter mapping for the map. +DEFAULT_CONVERTERS: t.Mapping[str, t.Type[BaseConverter]] = { + "default": UnicodeConverter, + "string": UnicodeConverter, + "any": AnyConverter, + "path": PathConverter, + "int": IntegerConverter, + "float": FloatConverter, + "uuid": UUIDConverter, +} + + +class Map: + """The map class stores all the URL rules and some configuration + parameters. Some of the configuration values are only stored on the + `Map` instance since those affect all rules, others are just defaults + and can be overridden for each rule. Note that you have to specify all + arguments besides the `rules` as keyword arguments! + + :param rules: sequence of url rules for this map. + :param default_subdomain: The default subdomain for rules without a + subdomain defined. + :param charset: charset of the url. defaults to ``"utf-8"`` + :param strict_slashes: If a rule ends with a slash but the matched + URL does not, redirect to the URL with a trailing slash. + :param merge_slashes: Merge consecutive slashes when matching or + building URLs. Matches will redirect to the normalized URL. + Slashes in variable parts are not merged. + :param redirect_defaults: This will redirect to the default rule if it + wasn't visited that way. This helps creating + unique URLs. + :param converters: A dict of converters that adds additional converters + to the list of converters. If you redefine one + converter this will override the original one. + :param sort_parameters: If set to `True` the url parameters are sorted. + See `url_encode` for more details. + :param sort_key: The sort key function for `url_encode`. + :param encoding_errors: the error method to use for decoding + :param host_matching: if set to `True` it enables the host matching + feature and disables the subdomain one. If + enabled the `host` parameter to rules is used + instead of the `subdomain` one. + + .. versionchanged:: 1.0 + If ``url_scheme`` is ``ws`` or ``wss``, only WebSocket rules + will match. + + .. versionchanged:: 1.0 + Added ``merge_slashes``. + + .. versionchanged:: 0.7 + Added ``encoding_errors`` and ``host_matching``. + + .. versionchanged:: 0.5 + Added ``sort_parameters`` and ``sort_key``. + """ + + #: A dict of default converters to be used. + default_converters = ImmutableDict(DEFAULT_CONVERTERS) + + #: The type of lock to use when updating. + #: + #: .. versionadded:: 1.0 + lock_class = Lock + + def __init__( + self, + rules: t.Optional[t.Iterable[RuleFactory]] = None, + default_subdomain: str = "", + charset: str = "utf-8", + strict_slashes: bool = True, + merge_slashes: bool = True, + redirect_defaults: bool = True, + converters: t.Optional[t.Mapping[str, t.Type[BaseConverter]]] = None, + sort_parameters: bool = False, + sort_key: t.Optional[t.Callable[[t.Any], t.Any]] = None, + encoding_errors: str = "replace", + host_matching: bool = False, + ) -> None: + self._rules: t.List[Rule] = [] + self._rules_by_endpoint: t.Dict[str, t.List[Rule]] = {} + self._remap = True + self._remap_lock = self.lock_class() + + self.default_subdomain = default_subdomain + self.charset = charset + self.encoding_errors = encoding_errors + self.strict_slashes = strict_slashes + self.merge_slashes = merge_slashes + self.redirect_defaults = redirect_defaults + self.host_matching = host_matching + + self.converters = self.default_converters.copy() + if converters: + self.converters.update(converters) + + self.sort_parameters = sort_parameters + self.sort_key = sort_key + + for rulefactory in rules or (): + self.add(rulefactory) + + def is_endpoint_expecting(self, endpoint: str, *arguments: str) -> bool: + """Iterate over all rules and check if the endpoint expects + the arguments provided. This is for example useful if you have + some URLs that expect a language code and others that do not and + you want to wrap the builder a bit so that the current language + code is automatically added if not provided but endpoints expect + it. + + :param endpoint: the endpoint to check. + :param arguments: this function accepts one or more arguments + as positional arguments. Each one of them is + checked. + """ + self.update() + arguments = set(arguments) + for rule in self._rules_by_endpoint[endpoint]: + if arguments.issubset(rule.arguments): + return True + return False + + def iter_rules(self, endpoint: t.Optional[str] = None) -> t.Iterator[Rule]: + """Iterate over all rules or the rules of an endpoint. + + :param endpoint: if provided only the rules for that endpoint + are returned. + :return: an iterator + """ + self.update() + if endpoint is not None: + return iter(self._rules_by_endpoint[endpoint]) + return iter(self._rules) + + def add(self, rulefactory: RuleFactory) -> None: + """Add a new rule or factory to the map and bind it. Requires that the + rule is not bound to another map. + + :param rulefactory: a :class:`Rule` or :class:`RuleFactory` + """ + for rule in rulefactory.get_rules(self): + rule.bind(self) + self._rules.append(rule) + self._rules_by_endpoint.setdefault(rule.endpoint, []).append(rule) + self._remap = True + + def bind( + self, + server_name: str, + script_name: t.Optional[str] = None, + subdomain: t.Optional[str] = None, + url_scheme: str = "http", + default_method: str = "GET", + path_info: t.Optional[str] = None, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + ) -> "MapAdapter": + """Return a new :class:`MapAdapter` with the details specified to the + call. Note that `script_name` will default to ``'/'`` if not further + specified or `None`. The `server_name` at least is a requirement + because the HTTP RFC requires absolute URLs for redirects and so all + redirect exceptions raised by Werkzeug will contain the full canonical + URL. + + If no path_info is passed to :meth:`match` it will use the default path + info passed to bind. While this doesn't really make sense for + manual bind calls, it's useful if you bind a map to a WSGI + environment which already contains the path info. + + `subdomain` will default to the `default_subdomain` for this map if + no defined. If there is no `default_subdomain` you cannot use the + subdomain feature. + + .. versionchanged:: 1.0 + If ``url_scheme`` is ``ws`` or ``wss``, only WebSocket rules + will match. + + .. versionchanged:: 0.15 + ``path_info`` defaults to ``'/'`` if ``None``. + + .. versionchanged:: 0.8 + ``query_args`` can be a string. + + .. versionchanged:: 0.7 + Added ``query_args``. + """ + server_name = server_name.lower() + if self.host_matching: + if subdomain is not None: + raise RuntimeError("host matching enabled and a subdomain was provided") + elif subdomain is None: + subdomain = self.default_subdomain + if script_name is None: + script_name = "/" + if path_info is None: + path_info = "/" + try: + server_name = _encode_idna(server_name) # type: ignore + except UnicodeError: + raise BadHost() + return MapAdapter( + self, + server_name, + script_name, + subdomain, + url_scheme, + path_info, + default_method, + query_args, + ) + + def bind_to_environ( + self, + environ: "WSGIEnvironment", + server_name: t.Optional[str] = None, + subdomain: t.Optional[str] = None, + ) -> "MapAdapter": + """Like :meth:`bind` but you can pass it an WSGI environment and it + will fetch the information from that dictionary. Note that because of + limitations in the protocol there is no way to get the current + subdomain and real `server_name` from the environment. If you don't + provide it, Werkzeug will use `SERVER_NAME` and `SERVER_PORT` (or + `HTTP_HOST` if provided) as used `server_name` with disabled subdomain + feature. + + If `subdomain` is `None` but an environment and a server name is + provided it will calculate the current subdomain automatically. + Example: `server_name` is ``'example.com'`` and the `SERVER_NAME` + in the wsgi `environ` is ``'staging.dev.example.com'`` the calculated + subdomain will be ``'staging.dev'``. + + If the object passed as environ has an environ attribute, the value of + this attribute is used instead. This allows you to pass request + objects. Additionally `PATH_INFO` added as a default of the + :class:`MapAdapter` so that you don't have to pass the path info to + the match method. + + .. versionchanged:: 1.0.0 + If the passed server name specifies port 443, it will match + if the incoming scheme is ``https`` without a port. + + .. versionchanged:: 1.0.0 + A warning is shown when the passed server name does not + match the incoming WSGI server name. + + .. versionchanged:: 0.8 + This will no longer raise a ValueError when an unexpected server + name was passed. + + .. versionchanged:: 0.5 + previously this method accepted a bogus `calculate_subdomain` + parameter that did not have any effect. It was removed because + of that. + + :param environ: a WSGI environment. + :param server_name: an optional server name hint (see above). + :param subdomain: optionally the current subdomain (see above). + """ + environ = _get_environ(environ) + wsgi_server_name = get_host(environ).lower() + scheme = environ["wsgi.url_scheme"] + + if ( + environ.get("HTTP_CONNECTION", "").lower() == "upgrade" + and environ.get("HTTP_UPGRADE", "").lower() == "websocket" + ): + scheme = "wss" if scheme == "https" else "ws" + + if server_name is None: + server_name = wsgi_server_name + else: + server_name = server_name.lower() + + # strip standard port to match get_host() + if scheme in {"http", "ws"} and server_name.endswith(":80"): + server_name = server_name[:-3] + elif scheme in {"https", "wss"} and server_name.endswith(":443"): + server_name = server_name[:-4] + + if subdomain is None and not self.host_matching: + cur_server_name = wsgi_server_name.split(".") + real_server_name = server_name.split(".") + offset = -len(real_server_name) + + if cur_server_name[offset:] != real_server_name: + # This can happen even with valid configs if the server was + # accessed directly by IP address under some situations. + # Instead of raising an exception like in Werkzeug 0.7 or + # earlier we go by an invalid subdomain which will result + # in a 404 error on matching. + warnings.warn( + f"Current server name {wsgi_server_name!r} doesn't match configured" + f" server name {server_name!r}", + stacklevel=2, + ) + subdomain = "" + else: + subdomain = ".".join(filter(None, cur_server_name[:offset])) + + def _get_wsgi_string(name: str) -> t.Optional[str]: + val = environ.get(name) + if val is not None: + return _wsgi_decoding_dance(val, self.charset) + return None + + script_name = _get_wsgi_string("SCRIPT_NAME") + path_info = _get_wsgi_string("PATH_INFO") + query_args = _get_wsgi_string("QUERY_STRING") + return Map.bind( + self, + server_name, + script_name, + subdomain, + scheme, + environ["REQUEST_METHOD"], + path_info, + query_args=query_args, + ) + + def update(self) -> None: + """Called before matching and building to keep the compiled rules + in the correct order after things changed. + """ + if not self._remap: + return + + with self._remap_lock: + if not self._remap: + return + + self._rules.sort(key=lambda x: x.match_compare_key()) + for rules in self._rules_by_endpoint.values(): + rules.sort(key=lambda x: x.build_compare_key()) + self._remap = False + + def __repr__(self) -> str: + rules = self.iter_rules() + return f"{type(self).__name__}({pformat(list(rules))})" + + +class MapAdapter: + + """Returned by :meth:`Map.bind` or :meth:`Map.bind_to_environ` and does + the URL matching and building based on runtime information. + """ + + def __init__( + self, + map: Map, + server_name: str, + script_name: str, + subdomain: t.Optional[str], + url_scheme: str, + path_info: str, + default_method: str, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + ): + self.map = map + self.server_name = _to_str(server_name) + script_name = _to_str(script_name) + if not script_name.endswith("/"): + script_name += "/" + self.script_name = script_name + self.subdomain = _to_str(subdomain) + self.url_scheme = _to_str(url_scheme) + self.path_info = _to_str(path_info) + self.default_method = _to_str(default_method) + self.query_args = query_args + self.websocket = self.url_scheme in {"ws", "wss"} + + def dispatch( + self, + view_func: t.Callable[[str, t.Mapping[str, t.Any]], "WSGIApplication"], + path_info: t.Optional[str] = None, + method: t.Optional[str] = None, + catch_http_exceptions: bool = False, + ) -> "WSGIApplication": + """Does the complete dispatching process. `view_func` is called with + the endpoint and a dict with the values for the view. It should + look up the view function, call it, and return a response object + or WSGI application. http exceptions are not caught by default + so that applications can display nicer error messages by just + catching them by hand. If you want to stick with the default + error messages you can pass it ``catch_http_exceptions=True`` and + it will catch the http exceptions. + + Here a small example for the dispatch usage:: + + from werkzeug.wrappers import Request, Response + from werkzeug.wsgi import responder + from werkzeug.routing import Map, Rule + + def on_index(request): + return Response('Hello from the index') + + url_map = Map([Rule('/', endpoint='index')]) + views = {'index': on_index} + + @responder + def application(environ, start_response): + request = Request(environ) + urls = url_map.bind_to_environ(environ) + return urls.dispatch(lambda e, v: views[e](request, **v), + catch_http_exceptions=True) + + Keep in mind that this method might return exception objects, too, so + use :class:`Response.force_type` to get a response object. + + :param view_func: a function that is called with the endpoint as + first argument and the value dict as second. Has + to dispatch to the actual view function with this + information. (see above) + :param path_info: the path info to use for matching. Overrides the + path info specified on binding. + :param method: the HTTP method used for matching. Overrides the + method specified on binding. + :param catch_http_exceptions: set to `True` to catch any of the + werkzeug :class:`HTTPException`\\s. + """ + try: + try: + endpoint, args = self.match(path_info, method) + except RequestRedirect as e: + return e + return view_func(endpoint, args) + except HTTPException as e: + if catch_http_exceptions: + return e + raise + + @typing.overload + def match( # type: ignore + self, + path_info: t.Optional[str] = None, + method: t.Optional[str] = None, + return_rule: "te.Literal[False]" = False, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + websocket: t.Optional[bool] = None, + ) -> t.Tuple[str, t.Mapping[str, t.Any]]: + ... + + @typing.overload + def match( + self, + path_info: t.Optional[str] = None, + method: t.Optional[str] = None, + return_rule: "te.Literal[True]" = True, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + websocket: t.Optional[bool] = None, + ) -> t.Tuple[Rule, t.Mapping[str, t.Any]]: + ... + + def match( + self, + path_info: t.Optional[str] = None, + method: t.Optional[str] = None, + return_rule: bool = False, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + websocket: t.Optional[bool] = None, + ) -> t.Tuple[t.Union[str, Rule], t.Mapping[str, t.Any]]: + """The usage is simple: you just pass the match method the current + path info as well as the method (which defaults to `GET`). The + following things can then happen: + + - you receive a `NotFound` exception that indicates that no URL is + matching. A `NotFound` exception is also a WSGI application you + can call to get a default page not found page (happens to be the + same object as `werkzeug.exceptions.NotFound`) + + - you receive a `MethodNotAllowed` exception that indicates that there + is a match for this URL but not for the current request method. + This is useful for RESTful applications. + + - you receive a `RequestRedirect` exception with a `new_url` + attribute. This exception is used to notify you about a request + Werkzeug requests from your WSGI application. This is for example the + case if you request ``/foo`` although the correct URL is ``/foo/`` + You can use the `RequestRedirect` instance as response-like object + similar to all other subclasses of `HTTPException`. + + - you receive a ``WebsocketMismatch`` exception if the only + match is a WebSocket rule but the bind is an HTTP request, or + if the match is an HTTP rule but the bind is a WebSocket + request. + + - you get a tuple in the form ``(endpoint, arguments)`` if there is + a match (unless `return_rule` is True, in which case you get a tuple + in the form ``(rule, arguments)``) + + If the path info is not passed to the match method the default path + info of the map is used (defaults to the root URL if not defined + explicitly). + + All of the exceptions raised are subclasses of `HTTPException` so they + can be used as WSGI responses. They will all render generic error or + redirect pages. + + Here is a small example for matching: + + >>> m = Map([ + ... Rule('/', endpoint='index'), + ... Rule('/downloads/', endpoint='downloads/index'), + ... Rule('/downloads/', endpoint='downloads/show') + ... ]) + >>> urls = m.bind("example.com", "/") + >>> urls.match("/", "GET") + ('index', {}) + >>> urls.match("/downloads/42") + ('downloads/show', {'id': 42}) + + And here is what happens on redirect and missing URLs: + + >>> urls.match("/downloads") + Traceback (most recent call last): + ... + RequestRedirect: http://example.com/downloads/ + >>> urls.match("/missing") + Traceback (most recent call last): + ... + NotFound: 404 Not Found + + :param path_info: the path info to use for matching. Overrides the + path info specified on binding. + :param method: the HTTP method used for matching. Overrides the + method specified on binding. + :param return_rule: return the rule that matched instead of just the + endpoint (defaults to `False`). + :param query_args: optional query arguments that are used for + automatic redirects as string or dictionary. It's + currently not possible to use the query arguments + for URL matching. + :param websocket: Match WebSocket instead of HTTP requests. A + websocket request has a ``ws`` or ``wss`` + :attr:`url_scheme`. This overrides that detection. + + .. versionadded:: 1.0 + Added ``websocket``. + + .. versionchanged:: 0.8 + ``query_args`` can be a string. + + .. versionadded:: 0.7 + Added ``query_args``. + + .. versionadded:: 0.6 + Added ``return_rule``. + """ + self.map.update() + if path_info is None: + path_info = self.path_info + else: + path_info = _to_str(path_info, self.map.charset) + if query_args is None: + query_args = self.query_args or {} + method = (method or self.default_method).upper() + + if websocket is None: + websocket = self.websocket + + require_redirect = False + + domain_part = self.server_name if self.map.host_matching else self.subdomain + path_part = f"/{path_info.lstrip('/')}" if path_info else "" + path = f"{domain_part}|{path_part}" + + have_match_for = set() + websocket_mismatch = False + + for rule in self.map._rules: + try: + rv = rule.match(path, method) + except RequestPath as e: + raise RequestRedirect( + self.make_redirect_url( + url_quote(e.path_info, self.map.charset, safe="/:|+"), + query_args, + ) + ) + except RequestAliasRedirect as e: + raise RequestRedirect( + self.make_alias_redirect_url( + path, rule.endpoint, e.matched_values, method, query_args + ) + ) + if rv is None: + continue + if rule.methods is not None and method not in rule.methods: + have_match_for.update(rule.methods) + continue + + if rule.websocket != websocket: + websocket_mismatch = True + continue + + if self.map.redirect_defaults: + redirect_url = self.get_default_redirect(rule, method, rv, query_args) + if redirect_url is not None: + raise RequestRedirect(redirect_url) + + if rule.redirect_to is not None: + if isinstance(rule.redirect_to, str): + + def _handle_match(match: t.Match[str]) -> str: + value = rv[match.group(1)] # type: ignore + return rule._converters[match.group(1)].to_url(value) + + redirect_url = _simple_rule_re.sub(_handle_match, rule.redirect_to) + else: + redirect_url = rule.redirect_to(self, **rv) + + if self.subdomain: + netloc = f"{self.subdomain}.{self.server_name}" + else: + netloc = self.server_name + + raise RequestRedirect( + url_join( + f"{self.url_scheme or 'http'}://{netloc}{self.script_name}", + redirect_url, + ) + ) + + if require_redirect: + raise RequestRedirect( + self.make_redirect_url( + url_quote(path_info, self.map.charset, safe="/:|+"), query_args + ) + ) + + if return_rule: + return rule, rv + else: + return rule.endpoint, rv + + if have_match_for: + raise MethodNotAllowed(valid_methods=list(have_match_for)) + + if websocket_mismatch: + raise WebsocketMismatch() + + raise NotFound() + + def test( + self, path_info: t.Optional[str] = None, method: t.Optional[str] = None + ) -> bool: + """Test if a rule would match. Works like `match` but returns `True` + if the URL matches, or `False` if it does not exist. + + :param path_info: the path info to use for matching. Overrides the + path info specified on binding. + :param method: the HTTP method used for matching. Overrides the + method specified on binding. + """ + try: + self.match(path_info, method) + except RequestRedirect: + pass + except HTTPException: + return False + return True + + def allowed_methods(self, path_info: t.Optional[str] = None) -> t.Iterable[str]: + """Returns the valid methods that match for a given path. + + .. versionadded:: 0.7 + """ + try: + self.match(path_info, method="--") + except MethodNotAllowed as e: + return e.valid_methods # type: ignore + except HTTPException: + pass + return [] + + def get_host(self, domain_part: t.Optional[str]) -> str: + """Figures out the full host name for the given domain part. The + domain part is a subdomain in case host matching is disabled or + a full host name. + """ + if self.map.host_matching: + if domain_part is None: + return self.server_name + return _to_str(domain_part, "ascii") + subdomain = domain_part + if subdomain is None: + subdomain = self.subdomain + else: + subdomain = _to_str(subdomain, "ascii") + + if subdomain: + return f"{subdomain}.{self.server_name}" + else: + return self.server_name + + def get_default_redirect( + self, + rule: Rule, + method: str, + values: t.MutableMapping[str, t.Any], + query_args: t.Union[t.Mapping[str, t.Any], str], + ) -> t.Optional[str]: + """A helper that returns the URL to redirect to if it finds one. + This is used for default redirecting only. + + :internal: + """ + assert self.map.redirect_defaults + for r in self.map._rules_by_endpoint[rule.endpoint]: + # every rule that comes after this one, including ourself + # has a lower priority for the defaults. We order the ones + # with the highest priority up for building. + if r is rule: + break + if r.provides_defaults_for(rule) and r.suitable_for(values, method): + values.update(r.defaults) # type: ignore + domain_part, path = r.build(values) # type: ignore + return self.make_redirect_url(path, query_args, domain_part=domain_part) + return None + + def encode_query_args(self, query_args: t.Union[t.Mapping[str, t.Any], str]) -> str: + if not isinstance(query_args, str): + return url_encode(query_args, self.map.charset) + return query_args + + def make_redirect_url( + self, + path_info: str, + query_args: t.Optional[t.Union[t.Mapping[str, t.Any], str]] = None, + domain_part: t.Optional[str] = None, + ) -> str: + """Creates a redirect URL. + + :internal: + """ + if query_args: + suffix = f"?{self.encode_query_args(query_args)}" + else: + suffix = "" + + scheme = self.url_scheme or "http" + host = self.get_host(domain_part) + path = posixpath.join(self.script_name.strip("/"), path_info.lstrip("/")) + return f"{scheme}://{host}/{path}{suffix}" + + def make_alias_redirect_url( + self, + path: str, + endpoint: str, + values: t.Mapping[str, t.Any], + method: str, + query_args: t.Union[t.Mapping[str, t.Any], str], + ) -> str: + """Internally called to make an alias redirect URL.""" + url = self.build( + endpoint, values, method, append_unknown=False, force_external=True + ) + if query_args: + url += f"?{self.encode_query_args(query_args)}" + assert url != path, "detected invalid alias setting. No canonical URL found" + return url + + def _partial_build( + self, + endpoint: str, + values: t.Mapping[str, t.Any], + method: t.Optional[str], + append_unknown: bool, + ) -> t.Optional[t.Tuple[str, str, bool]]: + """Helper for :meth:`build`. Returns subdomain and path for the + rule that accepts this endpoint, values and method. + + :internal: + """ + # in case the method is none, try with the default method first + if method is None: + rv = self._partial_build( + endpoint, values, self.default_method, append_unknown + ) + if rv is not None: + return rv + + # Default method did not match or a specific method is passed. + # Check all for first match with matching host. If no matching + # host is found, go with first result. + first_match = None + + for rule in self.map._rules_by_endpoint.get(endpoint, ()): + if rule.suitable_for(values, method): + build_rv = rule.build(values, append_unknown) + + if build_rv is not None: + rv = (build_rv[0], build_rv[1], rule.websocket) + if self.map.host_matching: + if rv[0] == self.server_name: + return rv + elif first_match is None: + first_match = rv + else: + return rv + + return first_match + + def build( + self, + endpoint: str, + values: t.Optional[t.Mapping[str, t.Any]] = None, + method: t.Optional[str] = None, + force_external: bool = False, + append_unknown: bool = True, + url_scheme: t.Optional[str] = None, + ) -> str: + """Building URLs works pretty much the other way round. Instead of + `match` you call `build` and pass it the endpoint and a dict of + arguments for the placeholders. + + The `build` function also accepts an argument called `force_external` + which, if you set it to `True` will force external URLs. Per default + external URLs (include the server name) will only be used if the + target URL is on a different subdomain. + + >>> m = Map([ + ... Rule('/', endpoint='index'), + ... Rule('/downloads/', endpoint='downloads/index'), + ... Rule('/downloads/', endpoint='downloads/show') + ... ]) + >>> urls = m.bind("example.com", "/") + >>> urls.build("index", {}) + '/' + >>> urls.build("downloads/show", {'id': 42}) + '/downloads/42' + >>> urls.build("downloads/show", {'id': 42}, force_external=True) + 'http://example.com/downloads/42' + + Because URLs cannot contain non ASCII data you will always get + bytes back. Non ASCII characters are urlencoded with the + charset defined on the map instance. + + Additional values are converted to strings and appended to the URL as + URL querystring parameters: + + >>> urls.build("index", {'q': 'My Searchstring'}) + '/?q=My+Searchstring' + + When processing those additional values, lists are furthermore + interpreted as multiple values (as per + :py:class:`werkzeug.datastructures.MultiDict`): + + >>> urls.build("index", {'q': ['a', 'b', 'c']}) + '/?q=a&q=b&q=c' + + Passing a ``MultiDict`` will also add multiple values: + + >>> urls.build("index", MultiDict((('p', 'z'), ('q', 'a'), ('q', 'b')))) + '/?p=z&q=a&q=b' + + If a rule does not exist when building a `BuildError` exception is + raised. + + The build method accepts an argument called `method` which allows you + to specify the method you want to have an URL built for if you have + different methods for the same endpoint specified. + + :param endpoint: the endpoint of the URL to build. + :param values: the values for the URL to build. Unhandled values are + appended to the URL as query parameters. + :param method: the HTTP method for the rule if there are different + URLs for different methods on the same endpoint. + :param force_external: enforce full canonical external URLs. If the URL + scheme is not provided, this will generate + a protocol-relative URL. + :param append_unknown: unknown parameters are appended to the generated + URL as query string argument. Disable this + if you want the builder to ignore those. + :param url_scheme: Scheme to use in place of the bound + :attr:`url_scheme`. + + .. versionchanged:: 2.0 + Added the ``url_scheme`` parameter. + + .. versionadded:: 0.6 + Added the ``append_unknown`` parameter. + """ + self.map.update() + + if values: + temp_values: t.Dict[str, t.Union[t.List[t.Any], t.Any]] = {} + always_list = isinstance(values, MultiDict) + key: str + value: t.Optional[t.Union[t.List[t.Any], t.Any]] + + # For MultiDict, dict.items(values) is like values.lists() + # without the call or list coercion overhead. + for key, value in dict.items(values): # type: ignore + if value is None: + continue + + if always_list or isinstance(value, (list, tuple)): + value = [v for v in value if v is not None] + + if not value: + continue + + if len(value) == 1: + value = value[0] + + temp_values[key] = value + + values = temp_values + else: + values = {} + + rv = self._partial_build(endpoint, values, method, append_unknown) + if rv is None: + raise BuildError(endpoint, values, method, self) + + domain_part, path, websocket = rv + host = self.get_host(domain_part) + + if url_scheme is None: + url_scheme = self.url_scheme + + # Always build WebSocket routes with the scheme (browsers + # require full URLs). If bound to a WebSocket, ensure that HTTP + # routes are built with an HTTP scheme. + secure = url_scheme in {"https", "wss"} + + if websocket: + force_external = True + url_scheme = "wss" if secure else "ws" + elif url_scheme: + url_scheme = "https" if secure else "http" + + # shortcut this. + if not force_external and ( + (self.map.host_matching and host == self.server_name) + or (not self.map.host_matching and domain_part == self.subdomain) + ): + return f"{self.script_name.rstrip('/')}/{path.lstrip('/')}" + + scheme = f"{url_scheme}:" if url_scheme else "" + return f"{scheme}//{host}{self.script_name[:-1]}/{path.lstrip('/')}" diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/__init__.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/multipart.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/multipart.py new file mode 100644 index 0000000..bb8ab34 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/multipart.py @@ -0,0 +1,260 @@ +import re +from dataclasses import dataclass +from enum import auto +from enum import Enum +from typing import cast +from typing import List +from typing import Optional +from typing import Tuple + +from .._internal import _to_bytes +from .._internal import _to_str +from ..datastructures import Headers +from ..exceptions import RequestEntityTooLarge +from ..http import parse_options_header + + +class Event: + pass + + +@dataclass(frozen=True) +class Preamble(Event): + data: bytes + + +@dataclass(frozen=True) +class Field(Event): + name: str + headers: Headers + + +@dataclass(frozen=True) +class File(Event): + name: str + filename: str + headers: Headers + + +@dataclass(frozen=True) +class Data(Event): + data: bytes + more_data: bool + + +@dataclass(frozen=True) +class Epilogue(Event): + data: bytes + + +class NeedData(Event): + pass + + +NEED_DATA = NeedData() + + +class State(Enum): + PREAMBLE = auto() + PART = auto() + DATA = auto() + EPILOGUE = auto() + COMPLETE = auto() + + +# Multipart line breaks MUST be CRLF (\r\n) by RFC-7578, except that +# many implementations break this and either use CR or LF alone. +LINE_BREAK = b"(?:\r\n|\n|\r)" +BLANK_LINE_RE = re.compile(b"(?:\r\n\r\n|\r\r|\n\n)", re.MULTILINE) +LINE_BREAK_RE = re.compile(LINE_BREAK, re.MULTILINE) +# Header values can be continued via a space or tab after the linebreak, as +# per RFC2231 +HEADER_CONTINUATION_RE = re.compile(b"%s[ \t]" % LINE_BREAK, re.MULTILINE) + + +class MultipartDecoder: + """Decodes a multipart message as bytes into Python events. + + The part data is returned as available to allow the caller to save + the data from memory to disk, if desired. + """ + + def __init__( + self, + boundary: bytes, + max_form_memory_size: Optional[int] = None, + ) -> None: + self.buffer = bytearray() + self.complete = False + self.max_form_memory_size = max_form_memory_size + self.state = State.PREAMBLE + self.boundary = boundary + + # Note in the below \h i.e. horizontal whitespace is used + # as [^\S\n\r] as \h isn't supported in python. + + # The preamble must end with a boundary where the boundary is + # prefixed by a line break, RFC2046. Except that many + # implementations including Werkzeug's tests omit the line + # break prefix. In addition the first boundary could be the + # epilogue boundary (for empty form-data) hence the matching + # group to understand if it is an epilogue boundary. + self.preamble_re = re.compile( + br"%s?--%s(--[^\S\n\r]*%s?|[^\S\n\r]*%s)" + % (LINE_BREAK, re.escape(boundary), LINE_BREAK, LINE_BREAK), + re.MULTILINE, + ) + # A boundary must include a line break prefix and suffix, and + # may include trailing whitespace. In addition the boundary + # could be the epilogue boundary hence the matching group to + # understand if it is an epilogue boundary. + self.boundary_re = re.compile( + br"%s--%s(--[^\S\n\r]*%s?|[^\S\n\r]*%s)" + % (LINE_BREAK, re.escape(boundary), LINE_BREAK, LINE_BREAK), + re.MULTILINE, + ) + + def last_newline(self) -> int: + try: + last_nl = self.buffer.rindex(b"\n") + except ValueError: + last_nl = len(self.buffer) + try: + last_cr = self.buffer.rindex(b"\r") + except ValueError: + last_cr = len(self.buffer) + + return min(last_nl, last_cr) + + def receive_data(self, data: Optional[bytes]) -> None: + if data is None: + self.complete = True + elif ( + self.max_form_memory_size is not None + and len(self.buffer) + len(data) > self.max_form_memory_size + ): + raise RequestEntityTooLarge() + else: + self.buffer.extend(data) + + def next_event(self) -> Event: + event: Event = NEED_DATA + + if self.state == State.PREAMBLE: + match = self.preamble_re.search(self.buffer) + if match is not None: + if match.group(1).startswith(b"--"): + self.state = State.EPILOGUE + else: + self.state = State.PART + data = bytes(self.buffer[: match.start()]) + del self.buffer[: match.end()] + event = Preamble(data=data) + + elif self.state == State.PART: + match = BLANK_LINE_RE.search(self.buffer) + if match is not None: + headers = self._parse_headers(self.buffer[: match.start()]) + del self.buffer[: match.end()] + + if "content-disposition" not in headers: + raise ValueError("Missing Content-Disposition header") + + disposition, extra = parse_options_header( + headers["content-disposition"] + ) + name = cast(str, extra.get("name")) + filename = extra.get("filename") + if filename is not None: + event = File( + filename=filename, + headers=headers, + name=name, + ) + else: + event = Field( + headers=headers, + name=name, + ) + self.state = State.DATA + + elif self.state == State.DATA: + if self.buffer.find(b"--" + self.boundary) == -1: + # No complete boundary in the buffer, but there may be + # a partial boundary at the end. As the boundary + # starts with either a nl or cr find the earliest and + # return up to that as data. + data_length = del_index = self.last_newline() + more_data = True + else: + match = self.boundary_re.search(self.buffer) + if match is not None: + if match.group(1).startswith(b"--"): + self.state = State.EPILOGUE + else: + self.state = State.PART + data_length = match.start() + del_index = match.end() + else: + data_length = del_index = self.last_newline() + more_data = match is None + + data = bytes(self.buffer[:data_length]) + del self.buffer[:del_index] + if data or not more_data: + event = Data(data=data, more_data=more_data) + + elif self.state == State.EPILOGUE and self.complete: + event = Epilogue(data=bytes(self.buffer)) + del self.buffer[:] + self.state = State.COMPLETE + + if self.complete and isinstance(event, NeedData): + raise ValueError(f"Invalid form-data cannot parse beyond {self.state}") + + return event + + def _parse_headers(self, data: bytes) -> Headers: + headers: List[Tuple[str, str]] = [] + # Merge the continued headers into one line + data = HEADER_CONTINUATION_RE.sub(b" ", data) + # Now there is one header per line + for line in data.splitlines(): + if line.strip() != b"": + name, value = _to_str(line).strip().split(":", 1) + headers.append((name.strip(), value.strip())) + return Headers(headers) + + +class MultipartEncoder: + def __init__(self, boundary: bytes) -> None: + self.boundary = boundary + self.state = State.PREAMBLE + + def send_event(self, event: Event) -> bytes: + if isinstance(event, Preamble) and self.state == State.PREAMBLE: + self.state = State.PART + return event.data + elif isinstance(event, (Field, File)) and self.state in { + State.PREAMBLE, + State.PART, + State.DATA, + }: + self.state = State.DATA + data = b"\r\n--" + self.boundary + b"\r\n" + data += b'Content-Disposition: form-data; name="%s"' % _to_bytes(event.name) + if isinstance(event, File): + data += b'; filename="%s"' % _to_bytes(event.filename) + data += b"\r\n" + for name, value in cast(Field, event).headers: + if name.lower() != "content-disposition": + data += _to_bytes(f"{name}: {value}\r\n") + data += b"\r\n" + return data + elif isinstance(event, Data) and self.state == State.DATA: + return event.data + elif isinstance(event, Epilogue): + self.state = State.COMPLETE + return b"\r\n--" + self.boundary + b"--\r\n" + event.data + else: + raise ValueError(f"Cannot generate {event} in state: {self.state}") diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/request.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/request.py new file mode 100644 index 0000000..2c21a21 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/request.py @@ -0,0 +1,548 @@ +import typing as t +from datetime import datetime + +from .._internal import _to_str +from ..datastructures import Accept +from ..datastructures import Authorization +from ..datastructures import CharsetAccept +from ..datastructures import ETags +from ..datastructures import Headers +from ..datastructures import HeaderSet +from ..datastructures import IfRange +from ..datastructures import ImmutableList +from ..datastructures import ImmutableMultiDict +from ..datastructures import LanguageAccept +from ..datastructures import MIMEAccept +from ..datastructures import MultiDict +from ..datastructures import Range +from ..datastructures import RequestCacheControl +from ..http import parse_accept_header +from ..http import parse_authorization_header +from ..http import parse_cache_control_header +from ..http import parse_cookie +from ..http import parse_date +from ..http import parse_etags +from ..http import parse_if_range_header +from ..http import parse_list_header +from ..http import parse_options_header +from ..http import parse_range_header +from ..http import parse_set_header +from ..urls import url_decode +from ..user_agent import UserAgent +from ..useragents import _UserAgent as _DeprecatedUserAgent +from ..utils import cached_property +from ..utils import header_property +from .utils import get_current_url +from .utils import get_host + + +class Request: + """Represents the non-IO parts of a HTTP request, including the + method, URL info, and headers. + + This class is not meant for general use. It should only be used when + implementing WSGI, ASGI, or another HTTP application spec. Werkzeug + provides a WSGI implementation at :cls:`werkzeug.wrappers.Request`. + + :param method: The method the request was made with, such as + ``GET``. + :param scheme: The URL scheme of the protocol the request used, such + as ``https`` or ``wss``. + :param server: The address of the server. ``(host, port)``, + ``(path, None)`` for unix sockets, or ``None`` if not known. + :param root_path: The prefix that the application is mounted under. + This is prepended to generated URLs, but is not part of route + matching. + :param path: The path part of the URL after ``root_path``. + :param query_string: The part of the URL after the "?". + :param headers: The headers received with the request. + :param remote_addr: The address of the client sending the request. + + .. versionadded:: 2.0 + """ + + #: The charset used to decode most data in the request. + charset = "utf-8" + + #: the error handling procedure for errors, defaults to 'replace' + encoding_errors = "replace" + + #: the class to use for `args` and `form`. The default is an + #: :class:`~werkzeug.datastructures.ImmutableMultiDict` which supports + #: multiple values per key. alternatively it makes sense to use an + #: :class:`~werkzeug.datastructures.ImmutableOrderedMultiDict` which + #: preserves order or a :class:`~werkzeug.datastructures.ImmutableDict` + #: which is the fastest but only remembers the last key. It is also + #: possible to use mutable structures, but this is not recommended. + #: + #: .. versionadded:: 0.6 + parameter_storage_class: t.Type[MultiDict] = ImmutableMultiDict + + #: The type to be used for dict values from the incoming WSGI + #: environment. (For example for :attr:`cookies`.) By default an + #: :class:`~werkzeug.datastructures.ImmutableMultiDict` is used. + #: + #: .. versionchanged:: 1.0.0 + #: Changed to ``ImmutableMultiDict`` to support multiple values. + #: + #: .. versionadded:: 0.6 + dict_storage_class: t.Type[MultiDict] = ImmutableMultiDict + + #: the type to be used for list values from the incoming WSGI environment. + #: By default an :class:`~werkzeug.datastructures.ImmutableList` is used + #: (for example for :attr:`access_list`). + #: + #: .. versionadded:: 0.6 + list_storage_class: t.Type[t.List] = ImmutableList + + user_agent_class = _DeprecatedUserAgent + """The class used and returned by the :attr:`user_agent` property to + parse the header. Defaults to + :class:`~werkzeug.user_agent.UserAgent`, which does no parsing. An + extension can provide a subclass that uses a parser to provide other + data. + + .. versionadded:: 2.0 + """ + + #: Valid host names when handling requests. By default all hosts are + #: trusted, which means that whatever the client says the host is + #: will be accepted. + #: + #: Because ``Host`` and ``X-Forwarded-Host`` headers can be set to + #: any value by a malicious client, it is recommended to either set + #: this property or implement similar validation in the proxy (if + #: the application is being run behind one). + #: + #: .. versionadded:: 0.9 + trusted_hosts: t.Optional[t.List[str]] = None + + def __init__( + self, + method: str, + scheme: str, + server: t.Optional[t.Tuple[str, t.Optional[int]]], + root_path: str, + path: str, + query_string: bytes, + headers: Headers, + remote_addr: t.Optional[str], + ) -> None: + #: The method the request was made with, such as ``GET``. + self.method = method.upper() + #: The URL scheme of the protocol the request used, such as + #: ``https`` or ``wss``. + self.scheme = scheme + #: The address of the server. ``(host, port)``, ``(path, None)`` + #: for unix sockets, or ``None`` if not known. + self.server = server + #: The prefix that the application is mounted under, without a + #: trailing slash. :attr:`path` comes after this. + self.root_path = root_path.rstrip("/") + #: The path part of the URL after :attr:`root_path`. This is the + #: path used for routing within the application. + self.path = "/" + path.lstrip("/") + #: The part of the URL after the "?". This is the raw value, use + #: :attr:`args` for the parsed values. + self.query_string = query_string + #: The headers received with the request. + self.headers = headers + #: The address of the client sending the request. + self.remote_addr = remote_addr + + def __repr__(self) -> str: + try: + url = self.url + except Exception as e: + url = f"(invalid URL: {e})" + + return f"<{type(self).__name__} {url!r} [{self.method}]>" + + @property + def url_charset(self) -> str: + """The charset that is assumed for URLs. Defaults to the value + of :attr:`charset`. + + .. versionadded:: 0.6 + """ + return self.charset + + @cached_property + def args(self) -> "MultiDict[str, str]": + """The parsed URL parameters (the part in the URL after the question + mark). + + By default an + :class:`~werkzeug.datastructures.ImmutableMultiDict` + is returned from this function. This can be changed by setting + :attr:`parameter_storage_class` to a different type. This might + be necessary if the order of the form data is important. + """ + return url_decode( + self.query_string, + self.url_charset, + errors=self.encoding_errors, + cls=self.parameter_storage_class, + ) + + @cached_property + def access_route(self) -> t.List[str]: + """If a forwarded header exists this is a list of all ip addresses + from the client ip to the last proxy server. + """ + if "X-Forwarded-For" in self.headers: + return self.list_storage_class( + parse_list_header(self.headers["X-Forwarded-For"]) + ) + elif self.remote_addr is not None: + return self.list_storage_class([self.remote_addr]) + return self.list_storage_class() + + @cached_property + def full_path(self) -> str: + """Requested path, including the query string.""" + return f"{self.path}?{_to_str(self.query_string, self.url_charset)}" + + @property + def is_secure(self) -> bool: + """``True`` if the request was made with a secure protocol + (HTTPS or WSS). + """ + return self.scheme in {"https", "wss"} + + @cached_property + def url(self) -> str: + """The full request URL with the scheme, host, root path, path, + and query string.""" + return get_current_url( + self.scheme, self.host, self.root_path, self.path, self.query_string + ) + + @cached_property + def base_url(self) -> str: + """Like :attr:`url` but without the query string.""" + return get_current_url(self.scheme, self.host, self.root_path, self.path) + + @cached_property + def root_url(self) -> str: + """The request URL scheme, host, and root path. This is the root + that the application is accessed from. + """ + return get_current_url(self.scheme, self.host, self.root_path) + + @cached_property + def host_url(self) -> str: + """The request URL scheme and host only.""" + return get_current_url(self.scheme, self.host) + + @cached_property + def host(self) -> str: + """The host name the request was made to, including the port if + it's non-standard. Validated with :attr:`trusted_hosts`. + """ + return get_host( + self.scheme, self.headers.get("host"), self.server, self.trusted_hosts + ) + + @cached_property + def cookies(self) -> "ImmutableMultiDict[str, str]": + """A :class:`dict` with the contents of all cookies transmitted with + the request.""" + wsgi_combined_cookie = ";".join(self.headers.getlist("Cookie")) + return parse_cookie( # type: ignore + wsgi_combined_cookie, + self.charset, + self.encoding_errors, + cls=self.dict_storage_class, + ) + + # Common Descriptors + + content_type = header_property[str]( + "Content-Type", + doc="""The Content-Type entity-header field indicates the media + type of the entity-body sent to the recipient or, in the case of + the HEAD method, the media type that would have been sent had + the request been a GET.""", + read_only=True, + ) + + @cached_property + def content_length(self) -> t.Optional[int]: + """The Content-Length entity-header field indicates the size of the + entity-body in bytes or, in the case of the HEAD method, the size of + the entity-body that would have been sent had the request been a + GET. + """ + if self.headers.get("Transfer-Encoding", "") == "chunked": + return None + + content_length = self.headers.get("Content-Length") + if content_length is not None: + try: + return max(0, int(content_length)) + except (ValueError, TypeError): + pass + + return None + + content_encoding = header_property[str]( + "Content-Encoding", + doc="""The Content-Encoding entity-header field is used as a + modifier to the media-type. When present, its value indicates + what additional content codings have been applied to the + entity-body, and thus what decoding mechanisms must be applied + in order to obtain the media-type referenced by the Content-Type + header field. + + .. versionadded:: 0.9""", + read_only=True, + ) + content_md5 = header_property[str]( + "Content-MD5", + doc="""The Content-MD5 entity-header field, as defined in + RFC 1864, is an MD5 digest of the entity-body for the purpose of + providing an end-to-end message integrity check (MIC) of the + entity-body. (Note: a MIC is good for detecting accidental + modification of the entity-body in transit, but is not proof + against malicious attacks.) + + .. versionadded:: 0.9""", + read_only=True, + ) + referrer = header_property[str]( + "Referer", + doc="""The Referer[sic] request-header field allows the client + to specify, for the server's benefit, the address (URI) of the + resource from which the Request-URI was obtained (the + "referrer", although the header field is misspelled).""", + read_only=True, + ) + date = header_property( + "Date", + None, + parse_date, + doc="""The Date general-header field represents the date and + time at which the message was originated, having the same + semantics as orig-date in RFC 822. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """, + read_only=True, + ) + max_forwards = header_property( + "Max-Forwards", + None, + int, + doc="""The Max-Forwards request-header field provides a + mechanism with the TRACE and OPTIONS methods to limit the number + of proxies or gateways that can forward the request to the next + inbound server.""", + read_only=True, + ) + + def _parse_content_type(self) -> None: + if not hasattr(self, "_parsed_content_type"): + self._parsed_content_type = parse_options_header( + self.headers.get("Content-Type", "") + ) + + @property + def mimetype(self) -> str: + """Like :attr:`content_type`, but without parameters (eg, without + charset, type etc.) and always lowercase. For example if the content + type is ``text/HTML; charset=utf-8`` the mimetype would be + ``'text/html'``. + """ + self._parse_content_type() + return self._parsed_content_type[0].lower() + + @property + def mimetype_params(self) -> t.Dict[str, str]: + """The mimetype parameters as dict. For example if the content + type is ``text/html; charset=utf-8`` the params would be + ``{'charset': 'utf-8'}``. + """ + self._parse_content_type() + return self._parsed_content_type[1] + + @cached_property + def pragma(self) -> HeaderSet: + """The Pragma general-header field is used to include + implementation-specific directives that might apply to any recipient + along the request/response chain. All pragma directives specify + optional behavior from the viewpoint of the protocol; however, some + systems MAY require that behavior be consistent with the directives. + """ + return parse_set_header(self.headers.get("Pragma", "")) + + # Accept + + @cached_property + def accept_mimetypes(self) -> MIMEAccept: + """List of mimetypes this client supports as + :class:`~werkzeug.datastructures.MIMEAccept` object. + """ + return parse_accept_header(self.headers.get("Accept"), MIMEAccept) + + @cached_property + def accept_charsets(self) -> CharsetAccept: + """List of charsets this client supports as + :class:`~werkzeug.datastructures.CharsetAccept` object. + """ + return parse_accept_header(self.headers.get("Accept-Charset"), CharsetAccept) + + @cached_property + def accept_encodings(self) -> Accept: + """List of encodings this client accepts. Encodings in a HTTP term + are compression encodings such as gzip. For charsets have a look at + :attr:`accept_charset`. + """ + return parse_accept_header(self.headers.get("Accept-Encoding")) + + @cached_property + def accept_languages(self) -> LanguageAccept: + """List of languages this client accepts as + :class:`~werkzeug.datastructures.LanguageAccept` object. + + .. versionchanged 0.5 + In previous versions this was a regular + :class:`~werkzeug.datastructures.Accept` object. + """ + return parse_accept_header(self.headers.get("Accept-Language"), LanguageAccept) + + # ETag + + @cached_property + def cache_control(self) -> RequestCacheControl: + """A :class:`~werkzeug.datastructures.RequestCacheControl` object + for the incoming cache control headers. + """ + cache_control = self.headers.get("Cache-Control") + return parse_cache_control_header(cache_control, None, RequestCacheControl) + + @cached_property + def if_match(self) -> ETags: + """An object containing all the etags in the `If-Match` header. + + :rtype: :class:`~werkzeug.datastructures.ETags` + """ + return parse_etags(self.headers.get("If-Match")) + + @cached_property + def if_none_match(self) -> ETags: + """An object containing all the etags in the `If-None-Match` header. + + :rtype: :class:`~werkzeug.datastructures.ETags` + """ + return parse_etags(self.headers.get("If-None-Match")) + + @cached_property + def if_modified_since(self) -> t.Optional[datetime]: + """The parsed `If-Modified-Since` header as a datetime object. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """ + return parse_date(self.headers.get("If-Modified-Since")) + + @cached_property + def if_unmodified_since(self) -> t.Optional[datetime]: + """The parsed `If-Unmodified-Since` header as a datetime object. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """ + return parse_date(self.headers.get("If-Unmodified-Since")) + + @cached_property + def if_range(self) -> IfRange: + """The parsed ``If-Range`` header. + + .. versionchanged:: 2.0 + ``IfRange.date`` is timezone-aware. + + .. versionadded:: 0.7 + """ + return parse_if_range_header(self.headers.get("If-Range")) + + @cached_property + def range(self) -> t.Optional[Range]: + """The parsed `Range` header. + + .. versionadded:: 0.7 + + :rtype: :class:`~werkzeug.datastructures.Range` + """ + return parse_range_header(self.headers.get("Range")) + + # User Agent + + @cached_property + def user_agent(self) -> UserAgent: + """The user agent. Use ``user_agent.string`` to get the header + value. Set :attr:`user_agent_class` to a subclass of + :class:`~werkzeug.user_agent.UserAgent` to provide parsing for + the other properties or other extended data. + + .. versionchanged:: 2.0 + The built in parser is deprecated and will be removed in + Werkzeug 2.1. A ``UserAgent`` subclass must be set to parse + data from the string. + """ + return self.user_agent_class(self.headers.get("User-Agent", "")) + + # Authorization + + @cached_property + def authorization(self) -> t.Optional[Authorization]: + """The `Authorization` object in parsed form.""" + return parse_authorization_header(self.headers.get("Authorization")) + + # CORS + + origin = header_property[str]( + "Origin", + doc=( + "The host that the request originated from. Set" + " :attr:`~CORSResponseMixin.access_control_allow_origin` on" + " the response to indicate which origins are allowed." + ), + read_only=True, + ) + + access_control_request_headers = header_property( + "Access-Control-Request-Headers", + load_func=parse_set_header, + doc=( + "Sent with a preflight request to indicate which headers" + " will be sent with the cross origin request. Set" + " :attr:`~CORSResponseMixin.access_control_allow_headers`" + " on the response to indicate which headers are allowed." + ), + read_only=True, + ) + + access_control_request_method = header_property[str]( + "Access-Control-Request-Method", + doc=( + "Sent with a preflight request to indicate which method" + " will be used for the cross origin request. Set" + " :attr:`~CORSResponseMixin.access_control_allow_methods`" + " on the response to indicate which methods are allowed." + ), + read_only=True, + ) + + @property + def is_json(self) -> bool: + """Check if the mimetype indicates JSON data, either + :mimetype:`application/json` or :mimetype:`application/*+json`. + """ + mt = self.mimetype + return ( + mt == "application/json" + or mt.startswith("application/") + and mt.endswith("+json") + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/response.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/response.py new file mode 100644 index 0000000..aedfcb0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/response.py @@ -0,0 +1,656 @@ +import typing +import typing as t +from datetime import datetime +from datetime import timedelta +from datetime import timezone +from http import HTTPStatus + +from .._internal import _to_str +from ..datastructures import Headers +from ..datastructures import HeaderSet +from ..http import dump_cookie +from ..http import HTTP_STATUS_CODES +from ..utils import get_content_type +from werkzeug.datastructures import CallbackDict +from werkzeug.datastructures import ContentRange +from werkzeug.datastructures import ResponseCacheControl +from werkzeug.datastructures import WWWAuthenticate +from werkzeug.http import COEP +from werkzeug.http import COOP +from werkzeug.http import dump_age +from werkzeug.http import dump_csp_header +from werkzeug.http import dump_header +from werkzeug.http import dump_options_header +from werkzeug.http import http_date +from werkzeug.http import parse_age +from werkzeug.http import parse_cache_control_header +from werkzeug.http import parse_content_range_header +from werkzeug.http import parse_csp_header +from werkzeug.http import parse_date +from werkzeug.http import parse_options_header +from werkzeug.http import parse_set_header +from werkzeug.http import parse_www_authenticate_header +from werkzeug.http import quote_etag +from werkzeug.http import unquote_etag +from werkzeug.utils import header_property + + +def _set_property(name: str, doc: t.Optional[str] = None) -> property: + def fget(self: "Response") -> HeaderSet: + def on_update(header_set: HeaderSet) -> None: + if not header_set and name in self.headers: + del self.headers[name] + elif header_set: + self.headers[name] = header_set.to_header() + + return parse_set_header(self.headers.get(name), on_update) + + def fset( + self: "Response", + value: t.Optional[ + t.Union[str, t.Dict[str, t.Union[str, int]], t.Iterable[str]] + ], + ) -> None: + if not value: + del self.headers[name] + elif isinstance(value, str): + self.headers[name] = value + else: + self.headers[name] = dump_header(value) + + return property(fget, fset, doc=doc) + + +class Response: + """Represents the non-IO parts of an HTTP response, specifically the + status and headers but not the body. + + This class is not meant for general use. It should only be used when + implementing WSGI, ASGI, or another HTTP application spec. Werkzeug + provides a WSGI implementation at :cls:`werkzeug.wrappers.Response`. + + :param status: The status code for the response. Either an int, in + which case the default status message is added, or a string in + the form ``{code} {message}``, like ``404 Not Found``. Defaults + to 200. + :param headers: A :class:`~werkzeug.datastructures.Headers` object, + or a list of ``(key, value)`` tuples that will be converted to a + ``Headers`` object. + :param mimetype: The mime type (content type without charset or + other parameters) of the response. If the value starts with + ``text/`` (or matches some other special cases), the charset + will be added to create the ``content_type``. + :param content_type: The full content type of the response. + Overrides building the value from ``mimetype``. + + .. versionadded:: 2.0 + """ + + #: the charset of the response. + charset = "utf-8" + + #: the default status if none is provided. + default_status = 200 + + #: the default mimetype if none is provided. + default_mimetype = "text/plain" + + #: Warn if a cookie header exceeds this size. The default, 4093, should be + #: safely `supported by most browsers `_. A cookie larger than + #: this size will still be sent, but it may be ignored or handled + #: incorrectly by some browsers. Set to 0 to disable this check. + #: + #: .. versionadded:: 0.13 + #: + #: .. _`cookie`: http://browsercookielimits.squawky.net/ + max_cookie_size = 4093 + + # A :class:`Headers` object representing the response headers. + headers: Headers + + def __init__( + self, + status: t.Optional[t.Union[int, str, HTTPStatus]] = None, + headers: t.Optional[ + t.Union[ + t.Mapping[str, t.Union[str, int, t.Iterable[t.Union[str, int]]]], + t.Iterable[t.Tuple[str, t.Union[str, int]]], + ] + ] = None, + mimetype: t.Optional[str] = None, + content_type: t.Optional[str] = None, + ) -> None: + if isinstance(headers, Headers): + self.headers = headers + elif not headers: + self.headers = Headers() + else: + self.headers = Headers(headers) + + if content_type is None: + if mimetype is None and "content-type" not in self.headers: + mimetype = self.default_mimetype + if mimetype is not None: + mimetype = get_content_type(mimetype, self.charset) + content_type = mimetype + if content_type is not None: + self.headers["Content-Type"] = content_type + if status is None: + status = self.default_status + self.status = status # type: ignore + + def __repr__(self) -> str: + return f"<{type(self).__name__} [{self.status}]>" + + @property + def status_code(self) -> int: + """The HTTP status code as a number.""" + return self._status_code + + @status_code.setter + def status_code(self, code: int) -> None: + self.status = code # type: ignore + + @property + def status(self) -> str: + """The HTTP status code as a string.""" + return self._status + + @status.setter + def status(self, value: t.Union[str, int, HTTPStatus]) -> None: + if not isinstance(value, (str, bytes, int, HTTPStatus)): + raise TypeError("Invalid status argument") + + self._status, self._status_code = self._clean_status(value) + + def _clean_status(self, value: t.Union[str, int, HTTPStatus]) -> t.Tuple[str, int]: + if isinstance(value, HTTPStatus): + value = int(value) + status = _to_str(value, self.charset) + split_status = status.split(None, 1) + + if len(split_status) == 0: + raise ValueError("Empty status argument") + + if len(split_status) > 1: + if split_status[0].isdigit(): + # code and message + return status, int(split_status[0]) + + # multi-word message + return f"0 {status}", 0 + + if split_status[0].isdigit(): + # code only + status_code = int(split_status[0]) + + try: + status = f"{status_code} {HTTP_STATUS_CODES[status_code].upper()}" + except KeyError: + status = f"{status_code} UNKNOWN" + + return status, status_code + + # one-word message + return f"0 {status}", 0 + + def set_cookie( + self, + key: str, + value: str = "", + max_age: t.Optional[t.Union[timedelta, int]] = None, + expires: t.Optional[t.Union[str, datetime, int, float]] = None, + path: t.Optional[str] = "/", + domain: t.Optional[str] = None, + secure: bool = False, + httponly: bool = False, + samesite: t.Optional[str] = None, + ) -> None: + """Sets a cookie. + + A warning is raised if the size of the cookie header exceeds + :attr:`max_cookie_size`, but the header will still be set. + + :param key: the key (name) of the cookie to be set. + :param value: the value of the cookie. + :param max_age: should be a number of seconds, or `None` (default) if + the cookie should last only as long as the client's + browser session. + :param expires: should be a `datetime` object or UNIX timestamp. + :param path: limits the cookie to a given path, per default it will + span the whole domain. + :param domain: if you want to set a cross-domain cookie. For example, + ``domain=".example.com"`` will set a cookie that is + readable by the domain ``www.example.com``, + ``foo.example.com`` etc. Otherwise, a cookie will only + be readable by the domain that set it. + :param secure: If ``True``, the cookie will only be available + via HTTPS. + :param httponly: Disallow JavaScript access to the cookie. + :param samesite: Limit the scope of the cookie to only be + attached to requests that are "same-site". + """ + self.headers.add( + "Set-Cookie", + dump_cookie( + key, + value=value, + max_age=max_age, + expires=expires, + path=path, + domain=domain, + secure=secure, + httponly=httponly, + charset=self.charset, + max_size=self.max_cookie_size, + samesite=samesite, + ), + ) + + def delete_cookie( + self, + key: str, + path: str = "/", + domain: t.Optional[str] = None, + secure: bool = False, + httponly: bool = False, + samesite: t.Optional[str] = None, + ) -> None: + """Delete a cookie. Fails silently if key doesn't exist. + + :param key: the key (name) of the cookie to be deleted. + :param path: if the cookie that should be deleted was limited to a + path, the path has to be defined here. + :param domain: if the cookie that should be deleted was limited to a + domain, that domain has to be defined here. + :param secure: If ``True``, the cookie will only be available + via HTTPS. + :param httponly: Disallow JavaScript access to the cookie. + :param samesite: Limit the scope of the cookie to only be + attached to requests that are "same-site". + """ + self.set_cookie( + key, + expires=0, + max_age=0, + path=path, + domain=domain, + secure=secure, + httponly=httponly, + samesite=samesite, + ) + + @property + def is_json(self) -> bool: + """Check if the mimetype indicates JSON data, either + :mimetype:`application/json` or :mimetype:`application/*+json`. + """ + mt = self.mimetype + return mt is not None and ( + mt == "application/json" + or mt.startswith("application/") + and mt.endswith("+json") + ) + + # Common Descriptors + + @property + def mimetype(self) -> t.Optional[str]: + """The mimetype (content type without charset etc.)""" + ct = self.headers.get("content-type") + + if ct: + return ct.split(";")[0].strip() + else: + return None + + @mimetype.setter + def mimetype(self, value: str) -> None: + self.headers["Content-Type"] = get_content_type(value, self.charset) + + @property + def mimetype_params(self) -> t.Dict[str, str]: + """The mimetype parameters as dict. For example if the + content type is ``text/html; charset=utf-8`` the params would be + ``{'charset': 'utf-8'}``. + + .. versionadded:: 0.5 + """ + + def on_update(d: t.Dict[str, str]) -> None: + self.headers["Content-Type"] = dump_options_header(self.mimetype, d) + + d = parse_options_header(self.headers.get("content-type", ""))[1] + return CallbackDict(d, on_update) + + location = header_property[str]( + "Location", + doc="""The Location response-header field is used to redirect + the recipient to a location other than the Request-URI for + completion of the request or identification of a new + resource.""", + ) + age = header_property( + "Age", + None, + parse_age, + dump_age, # type: ignore + doc="""The Age response-header field conveys the sender's + estimate of the amount of time since the response (or its + revalidation) was generated at the origin server. + + Age values are non-negative decimal integers, representing time + in seconds.""", + ) + content_type = header_property[str]( + "Content-Type", + doc="""The Content-Type entity-header field indicates the media + type of the entity-body sent to the recipient or, in the case of + the HEAD method, the media type that would have been sent had + the request been a GET.""", + ) + content_length = header_property( + "Content-Length", + None, + int, + str, + doc="""The Content-Length entity-header field indicates the size + of the entity-body, in decimal number of OCTETs, sent to the + recipient or, in the case of the HEAD method, the size of the + entity-body that would have been sent had the request been a + GET.""", + ) + content_location = header_property[str]( + "Content-Location", + doc="""The Content-Location entity-header field MAY be used to + supply the resource location for the entity enclosed in the + message when that entity is accessible from a location separate + from the requested resource's URI.""", + ) + content_encoding = header_property[str]( + "Content-Encoding", + doc="""The Content-Encoding entity-header field is used as a + modifier to the media-type. When present, its value indicates + what additional content codings have been applied to the + entity-body, and thus what decoding mechanisms must be applied + in order to obtain the media-type referenced by the Content-Type + header field.""", + ) + content_md5 = header_property[str]( + "Content-MD5", + doc="""The Content-MD5 entity-header field, as defined in + RFC 1864, is an MD5 digest of the entity-body for the purpose of + providing an end-to-end message integrity check (MIC) of the + entity-body. (Note: a MIC is good for detecting accidental + modification of the entity-body in transit, but is not proof + against malicious attacks.)""", + ) + date = header_property( + "Date", + None, + parse_date, + http_date, + doc="""The Date general-header field represents the date and + time at which the message was originated, having the same + semantics as orig-date in RFC 822. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """, + ) + expires = header_property( + "Expires", + None, + parse_date, + http_date, + doc="""The Expires entity-header field gives the date/time after + which the response is considered stale. A stale cache entry may + not normally be returned by a cache. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """, + ) + last_modified = header_property( + "Last-Modified", + None, + parse_date, + http_date, + doc="""The Last-Modified entity-header field indicates the date + and time at which the origin server believes the variant was + last modified. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """, + ) + + @property + def retry_after(self) -> t.Optional[datetime]: + """The Retry-After response-header field can be used with a + 503 (Service Unavailable) response to indicate how long the + service is expected to be unavailable to the requesting client. + + Time in seconds until expiration or date. + + .. versionchanged:: 2.0 + The datetime object is timezone-aware. + """ + value = self.headers.get("retry-after") + if value is None: + return None + elif value.isdigit(): + return datetime.now(timezone.utc) + timedelta(seconds=int(value)) + return parse_date(value) + + @retry_after.setter + def retry_after(self, value: t.Optional[t.Union[datetime, int, str]]) -> None: + if value is None: + if "retry-after" in self.headers: + del self.headers["retry-after"] + return + elif isinstance(value, datetime): + value = http_date(value) + else: + value = str(value) + self.headers["Retry-After"] = value + + vary = _set_property( + "Vary", + doc="""The Vary field value indicates the set of request-header + fields that fully determines, while the response is fresh, + whether a cache is permitted to use the response to reply to a + subsequent request without revalidation.""", + ) + content_language = _set_property( + "Content-Language", + doc="""The Content-Language entity-header field describes the + natural language(s) of the intended audience for the enclosed + entity. Note that this might not be equivalent to all the + languages used within the entity-body.""", + ) + allow = _set_property( + "Allow", + doc="""The Allow entity-header field lists the set of methods + supported by the resource identified by the Request-URI. The + purpose of this field is strictly to inform the recipient of + valid methods associated with the resource. An Allow header + field MUST be present in a 405 (Method Not Allowed) + response.""", + ) + + # ETag + + @property + def cache_control(self) -> ResponseCacheControl: + """The Cache-Control general-header field is used to specify + directives that MUST be obeyed by all caching mechanisms along the + request/response chain. + """ + + def on_update(cache_control: ResponseCacheControl) -> None: + if not cache_control and "cache-control" in self.headers: + del self.headers["cache-control"] + elif cache_control: + self.headers["Cache-Control"] = cache_control.to_header() + + return parse_cache_control_header( + self.headers.get("cache-control"), on_update, ResponseCacheControl + ) + + def set_etag(self, etag: str, weak: bool = False) -> None: + """Set the etag, and override the old one if there was one.""" + self.headers["ETag"] = quote_etag(etag, weak) + + def get_etag(self) -> t.Union[t.Tuple[str, bool], t.Tuple[None, None]]: + """Return a tuple in the form ``(etag, is_weak)``. If there is no + ETag the return value is ``(None, None)``. + """ + return unquote_etag(self.headers.get("ETag")) + + accept_ranges = header_property[str]( + "Accept-Ranges", + doc="""The `Accept-Ranges` header. Even though the name would + indicate that multiple values are supported, it must be one + string token only. + + The values ``'bytes'`` and ``'none'`` are common. + + .. versionadded:: 0.7""", + ) + + @property + def content_range(self) -> ContentRange: + """The ``Content-Range`` header as a + :class:`~werkzeug.datastructures.ContentRange` object. Available + even if the header is not set. + + .. versionadded:: 0.7 + """ + + def on_update(rng: ContentRange) -> None: + if not rng: + del self.headers["content-range"] + else: + self.headers["Content-Range"] = rng.to_header() + + rv = parse_content_range_header(self.headers.get("content-range"), on_update) + # always provide a content range object to make the descriptor + # more user friendly. It provides an unset() method that can be + # used to remove the header quickly. + if rv is None: + rv = ContentRange(None, None, None, on_update=on_update) + return rv + + @content_range.setter + def content_range(self, value: t.Optional[t.Union[ContentRange, str]]) -> None: + if not value: + del self.headers["content-range"] + elif isinstance(value, str): + self.headers["Content-Range"] = value + else: + self.headers["Content-Range"] = value.to_header() + + # Authorization + + @property + def www_authenticate(self) -> WWWAuthenticate: + """The ``WWW-Authenticate`` header in a parsed form.""" + + def on_update(www_auth: WWWAuthenticate) -> None: + if not www_auth and "www-authenticate" in self.headers: + del self.headers["www-authenticate"] + elif www_auth: + self.headers["WWW-Authenticate"] = www_auth.to_header() + + header = self.headers.get("www-authenticate") + return parse_www_authenticate_header(header, on_update) + + # CSP + + content_security_policy = header_property( + "Content-Security-Policy", + None, + parse_csp_header, # type: ignore + dump_csp_header, + doc="""The Content-Security-Policy header adds an additional layer of + security to help detect and mitigate certain types of attacks.""", + ) + content_security_policy_report_only = header_property( + "Content-Security-Policy-Report-Only", + None, + parse_csp_header, # type: ignore + dump_csp_header, + doc="""The Content-Security-Policy-Report-Only header adds a csp policy + that is not enforced but is reported thereby helping detect + certain types of attacks.""", + ) + + # CORS + + @property + def access_control_allow_credentials(self) -> bool: + """Whether credentials can be shared by the browser to + JavaScript code. As part of the preflight request it indicates + whether credentials can be used on the cross origin request. + """ + return "Access-Control-Allow-Credentials" in self.headers + + @access_control_allow_credentials.setter + def access_control_allow_credentials(self, value: t.Optional[bool]) -> None: + if value is True: + self.headers["Access-Control-Allow-Credentials"] = "true" + else: + self.headers.pop("Access-Control-Allow-Credentials", None) + + access_control_allow_headers = header_property( + "Access-Control-Allow-Headers", + load_func=parse_set_header, + dump_func=dump_header, + doc="Which headers can be sent with the cross origin request.", + ) + + access_control_allow_methods = header_property( + "Access-Control-Allow-Methods", + load_func=parse_set_header, + dump_func=dump_header, + doc="Which methods can be used for the cross origin request.", + ) + + access_control_allow_origin = header_property[str]( + "Access-Control-Allow-Origin", + doc="The origin or '*' for any origin that may make cross origin requests.", + ) + + access_control_expose_headers = header_property( + "Access-Control-Expose-Headers", + load_func=parse_set_header, + dump_func=dump_header, + doc="Which headers can be shared by the browser to JavaScript code.", + ) + + access_control_max_age = header_property( + "Access-Control-Max-Age", + load_func=int, + dump_func=str, + doc="The maximum age in seconds the access control settings can be cached for.", + ) + + cross_origin_opener_policy = header_property[COOP]( + "Cross-Origin-Opener-Policy", + load_func=lambda value: COOP(value), + dump_func=lambda value: value.value, + default=COOP.UNSAFE_NONE, + doc="""Allows control over sharing of browsing context group with cross-origin + documents. Values must be a member of the :class:`werkzeug.http.COOP` enum.""", + ) + + cross_origin_embedder_policy = header_property[COEP]( + "Cross-Origin-Embedder-Policy", + load_func=lambda value: COEP(value), + dump_func=lambda value: value.value, + default=COEP.UNSAFE_NONE, + doc="""Prevents a document from loading any cross-origin resources that do not + explicitly grant the document permission. Values must be a member of the + :class:`werkzeug.http.COEP` enum.""", + ) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/utils.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/utils.py new file mode 100644 index 0000000..1b4d892 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/sansio/utils.py @@ -0,0 +1,142 @@ +import typing as t + +from .._internal import _encode_idna +from ..exceptions import SecurityError +from ..urls import uri_to_iri +from ..urls import url_quote + + +def host_is_trusted(hostname: str, trusted_list: t.Iterable[str]) -> bool: + """Check if a host matches a list of trusted names. + + :param hostname: The name to check. + :param trusted_list: A list of valid names to match. If a name + starts with a dot it will match all subdomains. + + .. versionadded:: 0.9 + """ + if not hostname: + return False + + if isinstance(trusted_list, str): + trusted_list = [trusted_list] + + def _normalize(hostname: str) -> bytes: + if ":" in hostname: + hostname = hostname.rsplit(":", 1)[0] + + return _encode_idna(hostname) + + try: + hostname_bytes = _normalize(hostname) + except UnicodeError: + return False + + for ref in trusted_list: + if ref.startswith("."): + ref = ref[1:] + suffix_match = True + else: + suffix_match = False + + try: + ref_bytes = _normalize(ref) + except UnicodeError: + return False + + if ref_bytes == hostname_bytes: + return True + + if suffix_match and hostname_bytes.endswith(b"." + ref_bytes): + return True + + return False + + +def get_host( + scheme: str, + host_header: t.Optional[str], + server: t.Optional[t.Tuple[str, t.Optional[int]]] = None, + trusted_hosts: t.Optional[t.Iterable[str]] = None, +) -> str: + """Return the host for the given parameters. + + This first checks the ``host_header``. If it's not present, then + ``server`` is used. The host will only contain the port if it is + different than the standard port for the protocol. + + Optionally, verify that the host is trusted using + :func:`host_is_trusted` and raise a + :exc:`~werkzeug.exceptions.SecurityError` if it is not. + + :param scheme: The protocol the request used, like ``"https"``. + :param host_header: The ``Host`` header value. + :param server: Address of the server. ``(host, port)``, or + ``(path, None)`` for unix sockets. + :param trusted_hosts: A list of trusted host names. + + :return: Host, with port if necessary. + :raise ~werkzeug.exceptions.SecurityError: If the host is not + trusted. + """ + host = "" + + if host_header is not None: + host = host_header + elif server is not None: + host = server[0] + + if server[1] is not None: + host = f"{host}:{server[1]}" + + if scheme in {"http", "ws"} and host.endswith(":80"): + host = host[:-3] + elif scheme in {"https", "wss"} and host.endswith(":443"): + host = host[:-4] + + if trusted_hosts is not None: + if not host_is_trusted(host, trusted_hosts): + raise SecurityError(f"Host {host!r} is not trusted.") + + return host + + +def get_current_url( + scheme: str, + host: str, + root_path: t.Optional[str] = None, + path: t.Optional[str] = None, + query_string: t.Optional[bytes] = None, +) -> str: + """Recreate the URL for a request. If an optional part isn't + provided, it and subsequent parts are not included in the URL. + + The URL is an IRI, not a URI, so it may contain Unicode characters. + Use :func:`~werkzeug.urls.iri_to_uri` to convert it to ASCII. + + :param scheme: The protocol the request used, like ``"https"``. + :param host: The host the request was made to. See :func:`get_host`. + :param root_path: Prefix that the application is mounted under. This + is prepended to ``path``. + :param path: The path part of the URL after ``root_path``. + :param query_string: The portion of the URL after the "?". + """ + url = [scheme, "://", host] + + if root_path is None: + url.append("/") + return uri_to_iri("".join(url)) + + url.append(url_quote(root_path.rstrip("/"))) + url.append("/") + + if path is None: + return uri_to_iri("".join(url)) + + url.append(url_quote(path.lstrip("/"))) + + if query_string: + url.append("?") + url.append(url_quote(query_string, safe=":&%=+$!*'(),")) + + return uri_to_iri("".join(url)) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/security.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/security.py new file mode 100644 index 0000000..e23040a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/security.py @@ -0,0 +1,247 @@ +import hashlib +import hmac +import os +import posixpath +import secrets +import typing as t +import warnings + +if t.TYPE_CHECKING: + pass + +SALT_CHARS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" +DEFAULT_PBKDF2_ITERATIONS = 260000 + +_os_alt_seps: t.List[str] = list( + sep for sep in [os.path.sep, os.path.altsep] if sep is not None and sep != "/" +) + + +def pbkdf2_hex( + data: t.Union[str, bytes], + salt: t.Union[str, bytes], + iterations: int = DEFAULT_PBKDF2_ITERATIONS, + keylen: t.Optional[int] = None, + hashfunc: t.Optional[t.Union[str, t.Callable]] = None, +) -> str: + """Like :func:`pbkdf2_bin`, but returns a hex-encoded string. + + :param data: the data to derive. + :param salt: the salt for the derivation. + :param iterations: the number of iterations. + :param keylen: the length of the resulting key. If not provided, + the digest size will be used. + :param hashfunc: the hash function to use. This can either be the + string name of a known hash function, or a function + from the hashlib module. Defaults to sha256. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :func:`hashlib.pbkdf2_hmac` + instead. + + .. versionadded:: 0.9 + """ + warnings.warn( + "'pbkdf2_hex' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'hashlib.pbkdf2_hmac().hex()' instead.", + DeprecationWarning, + stacklevel=2, + ) + return pbkdf2_bin(data, salt, iterations, keylen, hashfunc).hex() + + +def pbkdf2_bin( + data: t.Union[str, bytes], + salt: t.Union[str, bytes], + iterations: int = DEFAULT_PBKDF2_ITERATIONS, + keylen: t.Optional[int] = None, + hashfunc: t.Optional[t.Union[str, t.Callable]] = None, +) -> bytes: + """Returns a binary digest for the PBKDF2 hash algorithm of `data` + with the given `salt`. It iterates `iterations` times and produces a + key of `keylen` bytes. By default, SHA-256 is used as hash function; + a different hashlib `hashfunc` can be provided. + + :param data: the data to derive. + :param salt: the salt for the derivation. + :param iterations: the number of iterations. + :param keylen: the length of the resulting key. If not provided + the digest size will be used. + :param hashfunc: the hash function to use. This can either be the + string name of a known hash function or a function + from the hashlib module. Defaults to sha256. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :func:`hashlib.pbkdf2_hmac` + instead. + + .. versionadded:: 0.9 + """ + warnings.warn( + "'pbkdf2_bin' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'hashlib.pbkdf2_hmac()' instead.", + DeprecationWarning, + stacklevel=2, + ) + + if isinstance(data, str): + data = data.encode("utf8") + + if isinstance(salt, str): + salt = salt.encode("utf8") + + if not hashfunc: + hash_name = "sha256" + elif callable(hashfunc): + hash_name = hashfunc().name + else: + hash_name = hashfunc + + return hashlib.pbkdf2_hmac(hash_name, data, salt, iterations, keylen) + + +def safe_str_cmp(a: str, b: str) -> bool: + """This function compares strings in somewhat constant time. This + requires that the length of at least one string is known in advance. + + Returns `True` if the two strings are equal, or `False` if they are not. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use + :func:`hmac.compare_digest` instead. + + .. versionadded:: 0.7 + """ + warnings.warn( + "'safe_str_cmp' is deprecated and will be removed in Werkzeug" + " 2.1. Use 'hmac.compare_digest' instead.", + DeprecationWarning, + stacklevel=2, + ) + + if isinstance(a, str): + a = a.encode("utf-8") # type: ignore + + if isinstance(b, str): + b = b.encode("utf-8") # type: ignore + + return hmac.compare_digest(a, b) + + +def gen_salt(length: int) -> str: + """Generate a random string of SALT_CHARS with specified ``length``.""" + if length <= 0: + raise ValueError("Salt length must be positive") + + return "".join(secrets.choice(SALT_CHARS) for _ in range(length)) + + +def _hash_internal(method: str, salt: str, password: str) -> t.Tuple[str, str]: + """Internal password hash helper. Supports plaintext without salt, + unsalted and salted passwords. In case salted passwords are used + hmac is used. + """ + if method == "plain": + return password, method + + salt = salt.encode("utf-8") + password = password.encode("utf-8") + + if method.startswith("pbkdf2:"): + if not salt: + raise ValueError("Salt is required for PBKDF2") + + args = method[7:].split(":") + + if len(args) not in (1, 2): + raise ValueError("Invalid number of arguments for PBKDF2") + + method = args.pop(0) + iterations = int(args[0] or 0) if args else DEFAULT_PBKDF2_ITERATIONS + return ( + hashlib.pbkdf2_hmac(method, password, salt, iterations).hex(), + f"pbkdf2:{method}:{iterations}", + ) + + if salt: + return hmac.new(salt, password, method).hexdigest(), method + + return hashlib.new(method, password).hexdigest(), method + + +def generate_password_hash( + password: str, method: str = "pbkdf2:sha256", salt_length: int = 16 +) -> str: + """Hash a password with the given method and salt with a string of + the given length. The format of the string returned includes the method + that was used so that :func:`check_password_hash` can check the hash. + + The format for the hashed string looks like this:: + + method$salt$hash + + This method can **not** generate unsalted passwords but it is possible + to set param method='plain' in order to enforce plaintext passwords. + If a salt is used, hmac is used internally to salt the password. + + If PBKDF2 is wanted it can be enabled by setting the method to + ``pbkdf2:method:iterations`` where iterations is optional:: + + pbkdf2:sha256:80000$salt$hash + pbkdf2:sha256$salt$hash + + :param password: the password to hash. + :param method: the hash method to use (one that hashlib supports). Can + optionally be in the format ``pbkdf2:method:iterations`` + to enable PBKDF2. + :param salt_length: the length of the salt in letters. + """ + salt = gen_salt(salt_length) if method != "plain" else "" + h, actual_method = _hash_internal(method, salt, password) + return f"{actual_method}${salt}${h}" + + +def check_password_hash(pwhash: str, password: str) -> bool: + """Check a password against a given salted and hashed password value. + In order to support unsalted legacy passwords this method supports + plain text passwords, md5 and sha1 hashes (both salted and unsalted). + + Returns `True` if the password matched, `False` otherwise. + + :param pwhash: a hashed string like returned by + :func:`generate_password_hash`. + :param password: the plaintext password to compare against the hash. + """ + if pwhash.count("$") < 2: + return False + + method, salt, hashval = pwhash.split("$", 2) + return hmac.compare_digest(_hash_internal(method, salt, password)[0], hashval) + + +def safe_join(directory: str, *pathnames: str) -> t.Optional[str]: + """Safely join zero or more untrusted path components to a base + directory to avoid escaping the base directory. + + :param directory: The trusted base directory. + :param pathnames: The untrusted path components relative to the + base directory. + :return: A safe path, otherwise ``None``. + """ + parts = [directory] + + for filename in pathnames: + if filename != "": + filename = posixpath.normpath(filename) + + if ( + any(sep in filename for sep in _os_alt_seps) + or os.path.isabs(filename) + or filename == ".." + or filename.startswith("../") + ): + return None + + parts.append(filename) + + return posixpath.join(*parts) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/serving.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/serving.py new file mode 100644 index 0000000..1be9949 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/serving.py @@ -0,0 +1,1079 @@ +"""A WSGI and HTTP server for use **during development only**. This +server is convenient to use, but is not designed to be particularly +stable, secure, or efficient. Use a dedicate WSGI server and HTTP +server when deploying to production. + +It provides features like interactive debugging and code reloading. Use +``run_simple`` to start the server. Put this in a ``run.py`` script: + +.. code-block:: python + + from myapp import create_app + from werkzeug import run_simple +""" +import io +import os +import platform +import signal +import socket +import socketserver +import sys +import typing as t +import warnings +from datetime import datetime as dt +from datetime import timedelta +from datetime import timezone +from http.server import BaseHTTPRequestHandler +from http.server import HTTPServer + +from ._internal import _log +from ._internal import _wsgi_encoding_dance +from .exceptions import InternalServerError +from .urls import uri_to_iri +from .urls import url_parse +from .urls import url_unquote + +try: + import ssl +except ImportError: + + class _SslDummy: + def __getattr__(self, name: str) -> t.Any: + raise RuntimeError("SSL support unavailable") + + ssl = _SslDummy() # type: ignore + +_log_add_style = True + +if os.name == "nt": + try: + __import__("colorama") + except ImportError: + _log_add_style = False + +can_fork = hasattr(os, "fork") + +if can_fork: + ForkingMixIn = socketserver.ForkingMixIn +else: + + class ForkingMixIn: # type: ignore + pass + + +try: + af_unix = socket.AF_UNIX +except AttributeError: + af_unix = None # type: ignore + +LISTEN_QUEUE = 128 +can_open_by_fd = not platform.system() == "Windows" and hasattr(socket, "fromfd") + +_TSSLContextArg = t.Optional[ + t.Union["ssl.SSLContext", t.Tuple[str, t.Optional[str]], "te.Literal['adhoc']"] +] + +if t.TYPE_CHECKING: + import typing_extensions as te # noqa: F401 + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + from cryptography.hazmat.primitives.asymmetric.rsa import ( + RSAPrivateKeyWithSerialization, + ) + from cryptography.x509 import Certificate + + +class DechunkedInput(io.RawIOBase): + """An input stream that handles Transfer-Encoding 'chunked'""" + + def __init__(self, rfile: t.BinaryIO) -> None: + self._rfile = rfile + self._done = False + self._len = 0 + + def readable(self) -> bool: + return True + + def read_chunk_len(self) -> int: + try: + line = self._rfile.readline().decode("latin1") + _len = int(line.strip(), 16) + except ValueError: + raise OSError("Invalid chunk header") + if _len < 0: + raise OSError("Negative chunk length not allowed") + return _len + + def readinto(self, buf: bytearray) -> int: # type: ignore + read = 0 + while not self._done and read < len(buf): + if self._len == 0: + # This is the first chunk or we fully consumed the previous + # one. Read the next length of the next chunk + self._len = self.read_chunk_len() + + if self._len == 0: + # Found the final chunk of size 0. The stream is now exhausted, + # but there is still a final newline that should be consumed + self._done = True + + if self._len > 0: + # There is data (left) in this chunk, so append it to the + # buffer. If this operation fully consumes the chunk, this will + # reset self._len to 0. + n = min(len(buf), self._len) + + # If (read + chunk size) becomes more than len(buf), buf will + # grow beyond the original size and read more data than + # required. So only read as much data as can fit in buf. + if read + n > len(buf): + buf[read:] = self._rfile.read(len(buf) - read) + self._len -= len(buf) - read + read = len(buf) + else: + buf[read : read + n] = self._rfile.read(n) + self._len -= n + read += n + + if self._len == 0: + # Skip the terminating newline of a chunk that has been fully + # consumed. This also applies to the 0-sized final chunk + terminator = self._rfile.readline() + if terminator not in (b"\n", b"\r\n", b"\r"): + raise OSError("Missing chunk terminating newline") + + return read + + +class WSGIRequestHandler(BaseHTTPRequestHandler): + """A request handler that implements WSGI dispatching.""" + + server: "BaseWSGIServer" + + @property + def server_version(self) -> str: # type: ignore + from . import __version__ + + return f"Werkzeug/{__version__}" + + def make_environ(self) -> "WSGIEnvironment": + request_url = url_parse(self.path) + + def shutdown_server() -> None: + warnings.warn( + "The 'environ['werkzeug.server.shutdown']' function is" + " deprecated and will be removed in Werkzeug 2.1.", + stacklevel=2, + ) + self.server.shutdown_signal = True + + url_scheme = "http" if self.server.ssl_context is None else "https" + + if not self.client_address: + self.client_address = ("", 0) + elif isinstance(self.client_address, str): + self.client_address = (self.client_address, 0) + + # If there was no scheme but the path started with two slashes, + # the first segment may have been incorrectly parsed as the + # netloc, prepend it to the path again. + if not request_url.scheme and request_url.netloc: + path_info = f"/{request_url.netloc}{request_url.path}" + else: + path_info = request_url.path + + path_info = url_unquote(path_info) + + environ: "WSGIEnvironment" = { + "wsgi.version": (1, 0), + "wsgi.url_scheme": url_scheme, + "wsgi.input": self.rfile, + "wsgi.errors": sys.stderr, + "wsgi.multithread": self.server.multithread, + "wsgi.multiprocess": self.server.multiprocess, + "wsgi.run_once": False, + "werkzeug.server.shutdown": shutdown_server, + "werkzeug.socket": self.connection, + "SERVER_SOFTWARE": self.server_version, + "REQUEST_METHOD": self.command, + "SCRIPT_NAME": "", + "PATH_INFO": _wsgi_encoding_dance(path_info), + "QUERY_STRING": _wsgi_encoding_dance(request_url.query), + # Non-standard, added by mod_wsgi, uWSGI + "REQUEST_URI": _wsgi_encoding_dance(self.path), + # Non-standard, added by gunicorn + "RAW_URI": _wsgi_encoding_dance(self.path), + "REMOTE_ADDR": self.address_string(), + "REMOTE_PORT": self.port_integer(), + "SERVER_NAME": self.server.server_address[0], + "SERVER_PORT": str(self.server.server_address[1]), + "SERVER_PROTOCOL": self.request_version, + } + + for key, value in self.headers.items(): + key = key.upper().replace("-", "_") + value = value.replace("\r\n", "") + if key not in ("CONTENT_TYPE", "CONTENT_LENGTH"): + key = f"HTTP_{key}" + if key in environ: + value = f"{environ[key]},{value}" + environ[key] = value + + if environ.get("HTTP_TRANSFER_ENCODING", "").strip().lower() == "chunked": + environ["wsgi.input_terminated"] = True + environ["wsgi.input"] = DechunkedInput(environ["wsgi.input"]) + + # Per RFC 2616, if the URL is absolute, use that as the host. + # We're using "has a scheme" to indicate an absolute URL. + if request_url.scheme and request_url.netloc: + environ["HTTP_HOST"] = request_url.netloc + + try: + # binary_form=False gives nicer information, but wouldn't be compatible with + # what Nginx or Apache could return. + peer_cert = self.connection.getpeercert(binary_form=True) + if peer_cert is not None: + # Nginx and Apache use PEM format. + environ["SSL_CLIENT_CERT"] = ssl.DER_cert_to_PEM_cert(peer_cert) + except ValueError: + # SSL handshake hasn't finished. + self.server.log("error", "Cannot fetch SSL peer certificate info") + except AttributeError: + # Not using TLS, the socket will not have getpeercert(). + pass + + return environ + + def run_wsgi(self) -> None: + if self.headers.get("Expect", "").lower().strip() == "100-continue": + self.wfile.write(b"HTTP/1.1 100 Continue\r\n\r\n") + + self.environ = environ = self.make_environ() + status_set: t.Optional[str] = None + headers_set: t.Optional[t.List[t.Tuple[str, str]]] = None + status_sent: t.Optional[str] = None + headers_sent: t.Optional[t.List[t.Tuple[str, str]]] = None + + def write(data: bytes) -> None: + nonlocal status_sent, headers_sent + assert status_set is not None, "write() before start_response" + assert headers_set is not None, "write() before start_response" + if status_sent is None: + status_sent = status_set + headers_sent = headers_set + try: + code_str, msg = status_sent.split(None, 1) + except ValueError: + code_str, msg = status_sent, "" + code = int(code_str) + self.send_response(code, msg) + header_keys = set() + for key, value in headers_sent: + self.send_header(key, value) + key = key.lower() + header_keys.add(key) + if not ( + "content-length" in header_keys + or environ["REQUEST_METHOD"] == "HEAD" + or code < 200 + or code in (204, 304) + ): + self.close_connection = True + self.send_header("Connection", "close") + if "server" not in header_keys: + self.send_header("Server", self.version_string()) + if "date" not in header_keys: + self.send_header("Date", self.date_time_string()) + self.end_headers() + + assert isinstance(data, bytes), "applications must write bytes" + self.wfile.write(data) + self.wfile.flush() + + def start_response(status, headers, exc_info=None): # type: ignore + nonlocal status_set, headers_set + if exc_info: + try: + if headers_sent: + raise exc_info[1].with_traceback(exc_info[2]) + finally: + exc_info = None + elif headers_set: + raise AssertionError("Headers already set") + status_set = status + headers_set = headers + return write + + def execute(app: "WSGIApplication") -> None: + application_iter = app(environ, start_response) + try: + for data in application_iter: + write(data) + if not headers_sent: + write(b"") + finally: + if hasattr(application_iter, "close"): + application_iter.close() # type: ignore + + try: + execute(self.server.app) + except (ConnectionError, socket.timeout) as e: + self.connection_dropped(e, environ) + except Exception: + if self.server.passthrough_errors: + raise + from .debug.tbtools import get_current_traceback + + traceback = get_current_traceback(ignore_system_exceptions=True) + try: + # if we haven't yet sent the headers but they are set + # we roll back to be able to set them again. + if status_sent is None: + status_set = None + headers_set = None + execute(InternalServerError()) + except Exception: + pass + self.server.log("error", "Error on request:\n%s", traceback.plaintext) + + def handle(self) -> None: + """Handles a request ignoring dropped connections.""" + try: + BaseHTTPRequestHandler.handle(self) + except (ConnectionError, socket.timeout) as e: + self.connection_dropped(e) + except Exception as e: + if self.server.ssl_context is not None and is_ssl_error(e): + self.log_error("SSL error occurred: %s", e) + else: + raise + if self.server.shutdown_signal: + self.initiate_shutdown() + + def initiate_shutdown(self) -> None: + if is_running_from_reloader(): + # Windows does not provide SIGKILL, go with SIGTERM then. + sig = getattr(signal, "SIGKILL", signal.SIGTERM) + os.kill(os.getpid(), sig) + + self.server._BaseServer__shutdown_request = True # type: ignore + + def connection_dropped( + self, error: BaseException, environ: t.Optional["WSGIEnvironment"] = None + ) -> None: + """Called if the connection was closed by the client. By default + nothing happens. + """ + + def handle_one_request(self) -> None: + """Handle a single HTTP request.""" + self.raw_requestline = self.rfile.readline() + if not self.raw_requestline: + self.close_connection = True + elif self.parse_request(): + self.run_wsgi() + + def send_response(self, code: int, message: t.Optional[str] = None) -> None: + """Send the response header and log the response code.""" + self.log_request(code) + if message is None: + message = self.responses[code][0] if code in self.responses else "" + if self.request_version != "HTTP/0.9": + hdr = f"{self.protocol_version} {code} {message}\r\n" + self.wfile.write(hdr.encode("ascii")) + + def version_string(self) -> str: + return super().version_string().strip() + + def address_string(self) -> str: + if getattr(self, "environ", None): + return self.environ["REMOTE_ADDR"] # type: ignore + + if not self.client_address: + return "" + + return self.client_address[0] + + def port_integer(self) -> int: + return self.client_address[1] + + def log_request( + self, code: t.Union[int, str] = "-", size: t.Union[int, str] = "-" + ) -> None: + try: + path = uri_to_iri(self.path) + msg = f"{self.command} {path} {self.request_version}" + except AttributeError: + # path isn't set if the requestline was bad + msg = self.requestline + + code = str(code) + + if _log_add_style: + if code[0] == "1": # 1xx - Informational + msg = _ansi_style(msg, "bold") + elif code == "200": # 2xx - Success + pass + elif code == "304": # 304 - Resource Not Modified + msg = _ansi_style(msg, "cyan") + elif code[0] == "3": # 3xx - Redirection + msg = _ansi_style(msg, "green") + elif code == "404": # 404 - Resource Not Found + msg = _ansi_style(msg, "yellow") + elif code[0] == "4": # 4xx - Client Error + msg = _ansi_style(msg, "bold", "red") + else: # 5xx, or any other response + msg = _ansi_style(msg, "bold", "magenta") + + self.log("info", '"%s" %s %s', msg, code, size) + + def log_error(self, format: str, *args: t.Any) -> None: + self.log("error", format, *args) + + def log_message(self, format: str, *args: t.Any) -> None: + self.log("info", format, *args) + + def log(self, type: str, message: str, *args: t.Any) -> None: + _log( + type, + f"{self.address_string()} - - [{self.log_date_time_string()}] {message}\n", + *args, + ) + + +def _ansi_style(value: str, *styles: str) -> str: + codes = { + "bold": 1, + "red": 31, + "green": 32, + "yellow": 33, + "magenta": 35, + "cyan": 36, + } + + for style in styles: + value = f"\x1b[{codes[style]}m{value}" + + return f"{value}\x1b[0m" + + +def generate_adhoc_ssl_pair( + cn: t.Optional[str] = None, +) -> t.Tuple["Certificate", "RSAPrivateKeyWithSerialization"]: + try: + from cryptography import x509 + from cryptography.x509.oid import NameOID + from cryptography.hazmat.backends import default_backend + from cryptography.hazmat.primitives import hashes + from cryptography.hazmat.primitives.asymmetric import rsa + except ImportError: + raise TypeError("Using ad-hoc certificates requires the cryptography library.") + + backend = default_backend() + pkey = rsa.generate_private_key( + public_exponent=65537, key_size=2048, backend=backend + ) + + # pretty damn sure that this is not actually accepted by anyone + if cn is None: + cn = "*" + + subject = x509.Name( + [ + x509.NameAttribute(NameOID.ORGANIZATION_NAME, "Dummy Certificate"), + x509.NameAttribute(NameOID.COMMON_NAME, cn), + ] + ) + + backend = default_backend() + cert = ( + x509.CertificateBuilder() + .subject_name(subject) + .issuer_name(subject) + .public_key(pkey.public_key()) + .serial_number(x509.random_serial_number()) + .not_valid_before(dt.now(timezone.utc)) + .not_valid_after(dt.now(timezone.utc) + timedelta(days=365)) + .add_extension(x509.ExtendedKeyUsage([x509.OID_SERVER_AUTH]), critical=False) + .add_extension(x509.SubjectAlternativeName([x509.DNSName("*")]), critical=False) + .sign(pkey, hashes.SHA256(), backend) + ) + return cert, pkey + + +def make_ssl_devcert( + base_path: str, host: t.Optional[str] = None, cn: t.Optional[str] = None +) -> t.Tuple[str, str]: + """Creates an SSL key for development. This should be used instead of + the ``'adhoc'`` key which generates a new cert on each server start. + It accepts a path for where it should store the key and cert and + either a host or CN. If a host is given it will use the CN + ``*.host/CN=host``. + + For more information see :func:`run_simple`. + + .. versionadded:: 0.9 + + :param base_path: the path to the certificate and key. The extension + ``.crt`` is added for the certificate, ``.key`` is + added for the key. + :param host: the name of the host. This can be used as an alternative + for the `cn`. + :param cn: the `CN` to use. + """ + + if host is not None: + cn = f"*.{host}/CN={host}" + cert, pkey = generate_adhoc_ssl_pair(cn=cn) + + from cryptography.hazmat.primitives import serialization + + cert_file = f"{base_path}.crt" + pkey_file = f"{base_path}.key" + + with open(cert_file, "wb") as f: + f.write(cert.public_bytes(serialization.Encoding.PEM)) + with open(pkey_file, "wb") as f: + f.write( + pkey.private_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PrivateFormat.TraditionalOpenSSL, + encryption_algorithm=serialization.NoEncryption(), + ) + ) + + return cert_file, pkey_file + + +def generate_adhoc_ssl_context() -> "ssl.SSLContext": + """Generates an adhoc SSL context for the development server.""" + import tempfile + import atexit + + cert, pkey = generate_adhoc_ssl_pair() + + from cryptography.hazmat.primitives import serialization + + cert_handle, cert_file = tempfile.mkstemp() + pkey_handle, pkey_file = tempfile.mkstemp() + atexit.register(os.remove, pkey_file) + atexit.register(os.remove, cert_file) + + os.write(cert_handle, cert.public_bytes(serialization.Encoding.PEM)) + os.write( + pkey_handle, + pkey.private_bytes( + encoding=serialization.Encoding.PEM, + format=serialization.PrivateFormat.TraditionalOpenSSL, + encryption_algorithm=serialization.NoEncryption(), + ), + ) + + os.close(cert_handle) + os.close(pkey_handle) + ctx = load_ssl_context(cert_file, pkey_file) + return ctx + + +def load_ssl_context( + cert_file: str, pkey_file: t.Optional[str] = None, protocol: t.Optional[int] = None +) -> "ssl.SSLContext": + """Loads SSL context from cert/private key files and optional protocol. + Many parameters are directly taken from the API of + :py:class:`ssl.SSLContext`. + + :param cert_file: Path of the certificate to use. + :param pkey_file: Path of the private key to use. If not given, the key + will be obtained from the certificate file. + :param protocol: A ``PROTOCOL`` constant from the :mod:`ssl` module. + Defaults to :data:`ssl.PROTOCOL_TLS_SERVER`. + """ + if protocol is None: + protocol = ssl.PROTOCOL_TLS_SERVER + + ctx = ssl.SSLContext(protocol) + ctx.load_cert_chain(cert_file, pkey_file) + return ctx + + +def is_ssl_error(error: t.Optional[Exception] = None) -> bool: + """Checks if the given error (or the current one) is an SSL error.""" + if error is None: + error = t.cast(Exception, sys.exc_info()[1]) + return isinstance(error, ssl.SSLError) + + +def select_address_family(host: str, port: int) -> socket.AddressFamily: + """Return ``AF_INET4``, ``AF_INET6``, or ``AF_UNIX`` depending on + the host and port.""" + if host.startswith("unix://"): + return socket.AF_UNIX + elif ":" in host and hasattr(socket, "AF_INET6"): + return socket.AF_INET6 + return socket.AF_INET + + +def get_sockaddr( + host: str, port: int, family: socket.AddressFamily +) -> t.Union[t.Tuple[str, int], str]: + """Return a fully qualified socket address that can be passed to + :func:`socket.bind`.""" + if family == af_unix: + return host.split("://", 1)[1] + try: + res = socket.getaddrinfo( + host, port, family, socket.SOCK_STREAM, socket.IPPROTO_TCP + ) + except socket.gaierror: + return host, port + return res[0][4] # type: ignore + + +def get_interface_ip(family: socket.AddressFamily) -> str: + """Get the IP address of an external interface. Used when binding to + 0.0.0.0 or ::1 to show a more useful URL. + + :meta private: + """ + # arbitrary private address + host = "fd31:f903:5ab5:1::1" if family == socket.AF_INET6 else "10.253.155.219" + + with socket.socket(family, socket.SOCK_DGRAM) as s: + try: + s.connect((host, 58162)) + except OSError: + return "::1" if family == socket.AF_INET6 else "127.0.0.1" + + return s.getsockname()[0] # type: ignore + + +class BaseWSGIServer(HTTPServer): + + """Simple single-threaded, single-process WSGI server.""" + + multithread = False + multiprocess = False + request_queue_size = LISTEN_QUEUE + + def __init__( + self, + host: str, + port: int, + app: "WSGIApplication", + handler: t.Optional[t.Type[WSGIRequestHandler]] = None, + passthrough_errors: bool = False, + ssl_context: t.Optional[_TSSLContextArg] = None, + fd: t.Optional[int] = None, + ) -> None: + if handler is None: + handler = WSGIRequestHandler + + self.address_family = select_address_family(host, port) + + if fd is not None: + real_sock = socket.fromfd(fd, self.address_family, socket.SOCK_STREAM) + port = 0 + + server_address = get_sockaddr(host, int(port), self.address_family) + + # remove socket file if it already exists + if self.address_family == af_unix: + server_address = t.cast(str, server_address) + + if os.path.exists(server_address): + os.unlink(server_address) + + super().__init__(server_address, handler) # type: ignore + + self.app = app + self.passthrough_errors = passthrough_errors + self.shutdown_signal = False + self.host = host + self.port = self.socket.getsockname()[1] + + # Patch in the original socket. + if fd is not None: + self.socket.close() + self.socket = real_sock + self.server_address = self.socket.getsockname() + + if ssl_context is not None: + if isinstance(ssl_context, tuple): + ssl_context = load_ssl_context(*ssl_context) + if ssl_context == "adhoc": + ssl_context = generate_adhoc_ssl_context() + + self.socket = ssl_context.wrap_socket(self.socket, server_side=True) + self.ssl_context: t.Optional["ssl.SSLContext"] = ssl_context + else: + self.ssl_context = None + + def log(self, type: str, message: str, *args: t.Any) -> None: + _log(type, message, *args) + + def serve_forever(self, poll_interval: float = 0.5) -> None: + self.shutdown_signal = False + try: + super().serve_forever(poll_interval=poll_interval) + except KeyboardInterrupt: + pass + finally: + self.server_close() + + def handle_error(self, request: t.Any, client_address: t.Tuple[str, int]) -> None: + if self.passthrough_errors: + raise + + return super().handle_error(request, client_address) + + +class ThreadedWSGIServer(socketserver.ThreadingMixIn, BaseWSGIServer): + + """A WSGI server that does threading.""" + + multithread = True + daemon_threads = True + + +class ForkingWSGIServer(ForkingMixIn, BaseWSGIServer): + + """A WSGI server that does forking.""" + + multiprocess = True + + def __init__( + self, + host: str, + port: int, + app: "WSGIApplication", + processes: int = 40, + handler: t.Optional[t.Type[WSGIRequestHandler]] = None, + passthrough_errors: bool = False, + ssl_context: t.Optional[_TSSLContextArg] = None, + fd: t.Optional[int] = None, + ) -> None: + if not can_fork: + raise ValueError("Your platform does not support forking.") + BaseWSGIServer.__init__( + self, host, port, app, handler, passthrough_errors, ssl_context, fd + ) + self.max_children = processes + + +def make_server( + host: str, + port: int, + app: "WSGIApplication", + threaded: bool = False, + processes: int = 1, + request_handler: t.Optional[t.Type[WSGIRequestHandler]] = None, + passthrough_errors: bool = False, + ssl_context: t.Optional[_TSSLContextArg] = None, + fd: t.Optional[int] = None, +) -> BaseWSGIServer: + """Create a new server instance that is either threaded, or forks + or just processes one request after another. + """ + if threaded and processes > 1: + raise ValueError("cannot have a multithreaded and multi process server.") + elif threaded: + return ThreadedWSGIServer( + host, port, app, request_handler, passthrough_errors, ssl_context, fd=fd + ) + elif processes > 1: + return ForkingWSGIServer( + host, + port, + app, + processes, + request_handler, + passthrough_errors, + ssl_context, + fd=fd, + ) + else: + return BaseWSGIServer( + host, port, app, request_handler, passthrough_errors, ssl_context, fd=fd + ) + + +def is_running_from_reloader() -> bool: + """Checks if the application is running from within the Werkzeug + reloader subprocess. + + .. versionadded:: 0.10 + """ + return os.environ.get("WERKZEUG_RUN_MAIN") == "true" + + +def run_simple( + hostname: str, + port: int, + application: "WSGIApplication", + use_reloader: bool = False, + use_debugger: bool = False, + use_evalex: bool = True, + extra_files: t.Optional[t.Iterable[str]] = None, + exclude_patterns: t.Optional[t.Iterable[str]] = None, + reloader_interval: int = 1, + reloader_type: str = "auto", + threaded: bool = False, + processes: int = 1, + request_handler: t.Optional[t.Type[WSGIRequestHandler]] = None, + static_files: t.Optional[t.Dict[str, t.Union[str, t.Tuple[str, str]]]] = None, + passthrough_errors: bool = False, + ssl_context: t.Optional[_TSSLContextArg] = None, +) -> None: + """Start a WSGI application. Optional features include a reloader, + multithreading and fork support. + + This function has a command-line interface too:: + + python -m werkzeug.serving --help + + .. versionchanged:: 2.0 + Added ``exclude_patterns`` parameter. + + .. versionadded:: 0.5 + `static_files` was added to simplify serving of static files as well + as `passthrough_errors`. + + .. versionadded:: 0.6 + support for SSL was added. + + .. versionadded:: 0.8 + Added support for automatically loading a SSL context from certificate + file and private key. + + .. versionadded:: 0.9 + Added command-line interface. + + .. versionadded:: 0.10 + Improved the reloader and added support for changing the backend + through the `reloader_type` parameter. See :ref:`reloader` + for more information. + + .. versionchanged:: 0.15 + Bind to a Unix socket by passing a path that starts with + ``unix://`` as the ``hostname``. + + :param hostname: The host to bind to, for example ``'localhost'``. + If the value is a path that starts with ``unix://`` it will bind + to a Unix socket instead of a TCP socket.. + :param port: The port for the server. eg: ``8080`` + :param application: the WSGI application to execute + :param use_reloader: should the server automatically restart the python + process if modules were changed? + :param use_debugger: should the werkzeug debugging system be used? + :param use_evalex: should the exception evaluation feature be enabled? + :param extra_files: a list of files the reloader should watch + additionally to the modules. For example configuration + files. + :param exclude_patterns: List of :mod:`fnmatch` patterns to ignore + when running the reloader. For example, ignore cache files that + shouldn't reload when updated. + :param reloader_interval: the interval for the reloader in seconds. + :param reloader_type: the type of reloader to use. The default is + auto detection. Valid values are ``'stat'`` and + ``'watchdog'``. See :ref:`reloader` for more + information. + :param threaded: should the process handle each request in a separate + thread? + :param processes: if greater than 1 then handle each request in a new process + up to this maximum number of concurrent processes. + :param request_handler: optional parameter that can be used to replace + the default one. You can use this to replace it + with a different + :class:`~BaseHTTPServer.BaseHTTPRequestHandler` + subclass. + :param static_files: a list or dict of paths for static files. This works + exactly like :class:`SharedDataMiddleware`, it's actually + just wrapping the application in that middleware before + serving. + :param passthrough_errors: set this to `True` to disable the error catching. + This means that the server will die on errors but + it can be useful to hook debuggers in (pdb etc.) + :param ssl_context: an SSL context for the connection. Either an + :class:`ssl.SSLContext`, a tuple in the form + ``(cert_file, pkey_file)``, the string ``'adhoc'`` if + the server should automatically create one, or ``None`` + to disable SSL (which is the default). + """ + if not isinstance(port, int): + raise TypeError("port must be an integer") + if use_debugger: + from .debug import DebuggedApplication + + application = DebuggedApplication(application, use_evalex) + if static_files: + from .middleware.shared_data import SharedDataMiddleware + + application = SharedDataMiddleware(application, static_files) + + def log_startup(sock: socket.socket) -> None: + all_addresses_message = ( + " * Running on all addresses.\n" + " WARNING: This is a development server. Do not use it in" + " a production deployment." + ) + + if sock.family == af_unix: + _log("info", " * Running on %s (Press CTRL+C to quit)", hostname) + else: + if hostname == "0.0.0.0": + _log("warning", all_addresses_message) + display_hostname = get_interface_ip(socket.AF_INET) + elif hostname == "::": + _log("warning", all_addresses_message) + display_hostname = get_interface_ip(socket.AF_INET6) + else: + display_hostname = hostname + + if ":" in display_hostname: + display_hostname = f"[{display_hostname}]" + + _log( + "info", + " * Running on %s://%s:%d/ (Press CTRL+C to quit)", + "http" if ssl_context is None else "https", + display_hostname, + sock.getsockname()[1], + ) + + def inner() -> None: + try: + fd: t.Optional[int] = int(os.environ["WERKZEUG_SERVER_FD"]) + except (LookupError, ValueError): + fd = None + srv = make_server( + hostname, + port, + application, + threaded, + processes, + request_handler, + passthrough_errors, + ssl_context, + fd=fd, + ) + if fd is None: + log_startup(srv.socket) + srv.serve_forever() + + if use_reloader: + # If we're not running already in the subprocess that is the + # reloader we want to open up a socket early to make sure the + # port is actually available. + if not is_running_from_reloader(): + if port == 0 and not can_open_by_fd: + raise ValueError( + "Cannot bind to a random port with enabled " + "reloader if the Python interpreter does " + "not support socket opening by fd." + ) + + # Create and destroy a socket so that any exceptions are + # raised before we spawn a separate Python interpreter and + # lose this ability. + address_family = select_address_family(hostname, port) + server_address = get_sockaddr(hostname, port, address_family) + s = socket.socket(address_family, socket.SOCK_STREAM) + s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) + s.bind(server_address) + s.set_inheritable(True) + + # If we can open the socket by file descriptor, then we can just + # reuse this one and our socket will survive the restarts. + if can_open_by_fd: + os.environ["WERKZEUG_SERVER_FD"] = str(s.fileno()) + s.listen(LISTEN_QUEUE) + log_startup(s) + else: + s.close() + if address_family == af_unix: + server_address = t.cast(str, server_address) + _log("info", "Unlinking %s", server_address) + os.unlink(server_address) + + from ._reloader import run_with_reloader as _rwr + + _rwr( + inner, + extra_files=extra_files, + exclude_patterns=exclude_patterns, + interval=reloader_interval, + reloader_type=reloader_type, + ) + else: + inner() + + +def run_with_reloader(*args: t.Any, **kwargs: t.Any) -> None: + """Run a process with the reloader. This is not a public API, do + not use this function. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. + """ + from ._reloader import run_with_reloader as _rwr + + warnings.warn( + ( + "'run_with_reloader' is a private API, it will no longer be" + " accessible in Werkzeug 2.1. Use 'run_simple' instead." + ), + DeprecationWarning, + stacklevel=2, + ) + _rwr(*args, **kwargs) + + +def main() -> None: + """A simple command-line interface for :py:func:`run_simple`.""" + import argparse + from .utils import import_string + + _log("warning", "This CLI is deprecated and will be removed in version 2.1.") + + parser = argparse.ArgumentParser( + description="Run the given WSGI application with the development server.", + allow_abbrev=False, + ) + parser.add_argument( + "-b", + "--bind", + dest="address", + help="The hostname:port the app should listen on.", + ) + parser.add_argument( + "-d", + "--debug", + action="store_true", + help="Show the interactive debugger for unhandled exceptions.", + ) + parser.add_argument( + "-r", + "--reload", + action="store_true", + help="Reload the process if modules change.", + ) + parser.add_argument( + "application", help="Application to import and serve, in the form module:app." + ) + args = parser.parse_args() + hostname, port = None, None + + if args.address: + hostname, _, port = args.address.partition(":") + + run_simple( + hostname=hostname or "127.0.0.1", + port=int(port or 5000), + application=import_string(args.application), + use_reloader=args.reload, + use_debugger=args.debug, + ) + + +if __name__ == "__main__": + main() diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/test.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/test.py new file mode 100644 index 0000000..9301c02 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/test.py @@ -0,0 +1,1324 @@ +import mimetypes +import sys +import typing as t +import warnings +from collections import defaultdict +from datetime import datetime +from datetime import timedelta +from http.cookiejar import CookieJar +from io import BytesIO +from itertools import chain +from random import random +from tempfile import TemporaryFile +from time import time +from urllib.request import Request as _UrllibRequest + +from ._internal import _get_environ +from ._internal import _make_encode_wrapper +from ._internal import _wsgi_decoding_dance +from ._internal import _wsgi_encoding_dance +from .datastructures import Authorization +from .datastructures import CallbackDict +from .datastructures import CombinedMultiDict +from .datastructures import EnvironHeaders +from .datastructures import FileMultiDict +from .datastructures import Headers +from .datastructures import MultiDict +from .http import dump_cookie +from .http import dump_options_header +from .http import parse_options_header +from .sansio.multipart import Data +from .sansio.multipart import Epilogue +from .sansio.multipart import Field +from .sansio.multipart import File +from .sansio.multipart import MultipartEncoder +from .sansio.multipart import Preamble +from .urls import iri_to_uri +from .urls import url_encode +from .urls import url_fix +from .urls import url_parse +from .urls import url_unparse +from .urls import url_unquote +from .utils import get_content_type +from .wrappers.request import Request +from .wrappers.response import Response +from .wsgi import ClosingIterator +from .wsgi import get_current_url + +if t.TYPE_CHECKING: + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +def stream_encode_multipart( + data: t.Mapping[str, t.Any], + use_tempfile: bool = True, + threshold: int = 1024 * 500, + boundary: t.Optional[str] = None, + charset: str = "utf-8", +) -> t.Tuple[t.BinaryIO, int, str]: + """Encode a dict of values (either strings or file descriptors or + :class:`FileStorage` objects.) into a multipart encoded string stored + in a file descriptor. + """ + if boundary is None: + boundary = f"---------------WerkzeugFormPart_{time()}{random()}" + + stream: t.BinaryIO = BytesIO() + total_length = 0 + on_disk = False + + if use_tempfile: + + def write_binary(s: bytes) -> int: + nonlocal stream, total_length, on_disk + + if on_disk: + return stream.write(s) + else: + length = len(s) + + if length + total_length <= threshold: + stream.write(s) + else: + new_stream = t.cast(t.BinaryIO, TemporaryFile("wb+")) + new_stream.write(stream.getvalue()) # type: ignore + new_stream.write(s) + stream = new_stream + on_disk = True + + total_length += length + return length + + else: + write_binary = stream.write + + encoder = MultipartEncoder(boundary.encode()) + write_binary(encoder.send_event(Preamble(data=b""))) + for key, value in _iter_data(data): + reader = getattr(value, "read", None) + if reader is not None: + filename = getattr(value, "filename", getattr(value, "name", None)) + content_type = getattr(value, "content_type", None) + if content_type is None: + content_type = ( + filename + and mimetypes.guess_type(filename)[0] + or "application/octet-stream" + ) + headers = Headers([("Content-Type", content_type)]) + if filename is None: + write_binary(encoder.send_event(Field(name=key, headers=headers))) + else: + write_binary( + encoder.send_event( + File(name=key, filename=filename, headers=headers) + ) + ) + while True: + chunk = reader(16384) + + if not chunk: + break + + write_binary(encoder.send_event(Data(data=chunk, more_data=True))) + else: + if not isinstance(value, str): + value = str(value) + write_binary(encoder.send_event(Field(name=key, headers=Headers()))) + write_binary( + encoder.send_event(Data(data=value.encode(charset), more_data=False)) + ) + + write_binary(encoder.send_event(Epilogue(data=b""))) + + length = stream.tell() + stream.seek(0) + return stream, length, boundary + + +def encode_multipart( + values: t.Mapping[str, t.Any], + boundary: t.Optional[str] = None, + charset: str = "utf-8", +) -> t.Tuple[str, bytes]: + """Like `stream_encode_multipart` but returns a tuple in the form + (``boundary``, ``data``) where data is bytes. + """ + stream, length, boundary = stream_encode_multipart( + values, use_tempfile=False, boundary=boundary, charset=charset + ) + return boundary, stream.read() + + +class _TestCookieHeaders: + """A headers adapter for cookielib""" + + def __init__(self, headers: t.Union[Headers, t.List[t.Tuple[str, str]]]) -> None: + self.headers = headers + + def getheaders(self, name: str) -> t.Iterable[str]: + headers = [] + name = name.lower() + for k, v in self.headers: + if k.lower() == name: + headers.append(v) + return headers + + def get_all( + self, name: str, default: t.Optional[t.Iterable[str]] = None + ) -> t.Iterable[str]: + headers = self.getheaders(name) + + if not headers: + return default # type: ignore + + return headers + + +class _TestCookieResponse: + """Something that looks like a httplib.HTTPResponse, but is actually just an + adapter for our test responses to make them available for cookielib. + """ + + def __init__(self, headers: t.Union[Headers, t.List[t.Tuple[str, str]]]) -> None: + self.headers = _TestCookieHeaders(headers) + + def info(self) -> _TestCookieHeaders: + return self.headers + + +class _TestCookieJar(CookieJar): + """A cookielib.CookieJar modified to inject and read cookie headers from + and to wsgi environments, and wsgi application responses. + """ + + def inject_wsgi(self, environ: "WSGIEnvironment") -> None: + """Inject the cookies as client headers into the server's wsgi + environment. + """ + cvals = [f"{c.name}={c.value}" for c in self] + + if cvals: + environ["HTTP_COOKIE"] = "; ".join(cvals) + else: + environ.pop("HTTP_COOKIE", None) + + def extract_wsgi( + self, + environ: "WSGIEnvironment", + headers: t.Union[Headers, t.List[t.Tuple[str, str]]], + ) -> None: + """Extract the server's set-cookie headers as cookies into the + cookie jar. + """ + self.extract_cookies( + _TestCookieResponse(headers), # type: ignore + _UrllibRequest(get_current_url(environ)), + ) + + +def _iter_data(data: t.Mapping[str, t.Any]) -> t.Iterator[t.Tuple[str, t.Any]]: + """Iterate over a mapping that might have a list of values, yielding + all key, value pairs. Almost like iter_multi_items but only allows + lists, not tuples, of values so tuples can be used for files. + """ + if isinstance(data, MultiDict): + yield from data.items(multi=True) + else: + for key, value in data.items(): + if isinstance(value, list): + for v in value: + yield key, v + else: + yield key, value + + +_TAnyMultiDict = t.TypeVar("_TAnyMultiDict", bound=MultiDict) + + +class EnvironBuilder: + """This class can be used to conveniently create a WSGI environment + for testing purposes. It can be used to quickly create WSGI environments + or request objects from arbitrary data. + + The signature of this class is also used in some other places as of + Werkzeug 0.5 (:func:`create_environ`, :meth:`Response.from_values`, + :meth:`Client.open`). Because of this most of the functionality is + available through the constructor alone. + + Files and regular form data can be manipulated independently of each + other with the :attr:`form` and :attr:`files` attributes, but are + passed with the same argument to the constructor: `data`. + + `data` can be any of these values: + + - a `str` or `bytes` object: The object is converted into an + :attr:`input_stream`, the :attr:`content_length` is set and you have to + provide a :attr:`content_type`. + - a `dict` or :class:`MultiDict`: The keys have to be strings. The values + have to be either any of the following objects, or a list of any of the + following objects: + + - a :class:`file`-like object: These are converted into + :class:`FileStorage` objects automatically. + - a `tuple`: The :meth:`~FileMultiDict.add_file` method is called + with the key and the unpacked `tuple` items as positional + arguments. + - a `str`: The string is set as form data for the associated key. + - a file-like object: The object content is loaded in memory and then + handled like a regular `str` or a `bytes`. + + :param path: the path of the request. In the WSGI environment this will + end up as `PATH_INFO`. If the `query_string` is not defined + and there is a question mark in the `path` everything after + it is used as query string. + :param base_url: the base URL is a URL that is used to extract the WSGI + URL scheme, host (server name + server port) and the + script root (`SCRIPT_NAME`). + :param query_string: an optional string or dict with URL parameters. + :param method: the HTTP method to use, defaults to `GET`. + :param input_stream: an optional input stream. Do not specify this and + `data`. As soon as an input stream is set you can't + modify :attr:`args` and :attr:`files` unless you + set the :attr:`input_stream` to `None` again. + :param content_type: The content type for the request. As of 0.5 you + don't have to provide this when specifying files + and form data via `data`. + :param content_length: The content length for the request. You don't + have to specify this when providing data via + `data`. + :param errors_stream: an optional error stream that is used for + `wsgi.errors`. Defaults to :data:`stderr`. + :param multithread: controls `wsgi.multithread`. Defaults to `False`. + :param multiprocess: controls `wsgi.multiprocess`. Defaults to `False`. + :param run_once: controls `wsgi.run_once`. Defaults to `False`. + :param headers: an optional list or :class:`Headers` object of headers. + :param data: a string or dict of form data or a file-object. + See explanation above. + :param json: An object to be serialized and assigned to ``data``. + Defaults the content type to ``"application/json"``. + Serialized with the function assigned to :attr:`json_dumps`. + :param environ_base: an optional dict of environment defaults. + :param environ_overrides: an optional dict of environment overrides. + :param charset: the charset used to encode string data. + :param auth: An authorization object to use for the + ``Authorization`` header value. A ``(username, password)`` tuple + is a shortcut for ``Basic`` authorization. + + .. versionchanged:: 2.0 + ``REQUEST_URI`` and ``RAW_URI`` is the full raw URI including + the query string, not only the path. + + .. versionchanged:: 2.0 + The default :attr:`request_class` is ``Request`` instead of + ``BaseRequest``. + + .. versionadded:: 2.0 + Added the ``auth`` parameter. + + .. versionadded:: 0.15 + The ``json`` param and :meth:`json_dumps` method. + + .. versionadded:: 0.15 + The environ has keys ``REQUEST_URI`` and ``RAW_URI`` containing + the path before perecent-decoding. This is not part of the WSGI + PEP, but many WSGI servers include it. + + .. versionchanged:: 0.6 + ``path`` and ``base_url`` can now be unicode strings that are + encoded with :func:`iri_to_uri`. + """ + + #: the server protocol to use. defaults to HTTP/1.1 + server_protocol = "HTTP/1.1" + + #: the wsgi version to use. defaults to (1, 0) + wsgi_version = (1, 0) + + #: The default request class used by :meth:`get_request`. + request_class = Request + + import json + + #: The serialization function used when ``json`` is passed. + json_dumps = staticmethod(json.dumps) + del json + + _args: t.Optional[MultiDict] + _query_string: t.Optional[str] + _input_stream: t.Optional[t.BinaryIO] + _form: t.Optional[MultiDict] + _files: t.Optional[FileMultiDict] + + def __init__( + self, + path: str = "/", + base_url: t.Optional[str] = None, + query_string: t.Optional[t.Union[t.Mapping[str, str], str]] = None, + method: str = "GET", + input_stream: t.Optional[t.BinaryIO] = None, + content_type: t.Optional[str] = None, + content_length: t.Optional[int] = None, + errors_stream: t.Optional[t.TextIO] = None, + multithread: bool = False, + multiprocess: bool = False, + run_once: bool = False, + headers: t.Optional[t.Union[Headers, t.Iterable[t.Tuple[str, str]]]] = None, + data: t.Optional[t.Union[t.BinaryIO, str, bytes, t.Mapping[str, t.Any]]] = None, + environ_base: t.Optional[t.Mapping[str, t.Any]] = None, + environ_overrides: t.Optional[t.Mapping[str, t.Any]] = None, + charset: str = "utf-8", + mimetype: t.Optional[str] = None, + json: t.Optional[t.Mapping[str, t.Any]] = None, + auth: t.Optional[t.Union[Authorization, t.Tuple[str, str]]] = None, + ) -> None: + path_s = _make_encode_wrapper(path) + if query_string is not None and path_s("?") in path: + raise ValueError("Query string is defined in the path and as an argument") + request_uri = url_parse(path) + if query_string is None and path_s("?") in path: + query_string = request_uri.query + self.charset = charset + self.path = iri_to_uri(request_uri.path) + self.request_uri = path + if base_url is not None: + base_url = url_fix(iri_to_uri(base_url, charset), charset) + self.base_url = base_url # type: ignore + if isinstance(query_string, (bytes, str)): + self.query_string = query_string + else: + if query_string is None: + query_string = MultiDict() + elif not isinstance(query_string, MultiDict): + query_string = MultiDict(query_string) + self.args = query_string + self.method = method + if headers is None: + headers = Headers() + elif not isinstance(headers, Headers): + headers = Headers(headers) + self.headers = headers + if content_type is not None: + self.content_type = content_type + if errors_stream is None: + errors_stream = sys.stderr + self.errors_stream = errors_stream + self.multithread = multithread + self.multiprocess = multiprocess + self.run_once = run_once + self.environ_base = environ_base + self.environ_overrides = environ_overrides + self.input_stream = input_stream + self.content_length = content_length + self.closed = False + + if auth is not None: + if isinstance(auth, tuple): + auth = Authorization( + "basic", {"username": auth[0], "password": auth[1]} + ) + + self.headers.set("Authorization", auth.to_header()) + + if json is not None: + if data is not None: + raise TypeError("can't provide both json and data") + + data = self.json_dumps(json) + + if self.content_type is None: + self.content_type = "application/json" + + if data: + if input_stream is not None: + raise TypeError("can't provide input stream and data") + if hasattr(data, "read"): + data = data.read() # type: ignore + if isinstance(data, str): + data = data.encode(self.charset) + if isinstance(data, bytes): + self.input_stream = BytesIO(data) + if self.content_length is None: + self.content_length = len(data) + else: + for key, value in _iter_data(data): # type: ignore + if isinstance(value, (tuple, dict)) or hasattr(value, "read"): + self._add_file_from_data(key, value) + else: + self.form.setlistdefault(key).append(value) + + if mimetype is not None: + self.mimetype = mimetype + + @classmethod + def from_environ( + cls, environ: "WSGIEnvironment", **kwargs: t.Any + ) -> "EnvironBuilder": + """Turn an environ dict back into a builder. Any extra kwargs + override the args extracted from the environ. + + .. versionchanged:: 2.0 + Path and query values are passed through the WSGI decoding + dance to avoid double encoding. + + .. versionadded:: 0.15 + """ + headers = Headers(EnvironHeaders(environ)) + out = { + "path": _wsgi_decoding_dance(environ["PATH_INFO"]), + "base_url": cls._make_base_url( + environ["wsgi.url_scheme"], + headers.pop("Host"), + _wsgi_decoding_dance(environ["SCRIPT_NAME"]), + ), + "query_string": _wsgi_decoding_dance(environ["QUERY_STRING"]), + "method": environ["REQUEST_METHOD"], + "input_stream": environ["wsgi.input"], + "content_type": headers.pop("Content-Type", None), + "content_length": headers.pop("Content-Length", None), + "errors_stream": environ["wsgi.errors"], + "multithread": environ["wsgi.multithread"], + "multiprocess": environ["wsgi.multiprocess"], + "run_once": environ["wsgi.run_once"], + "headers": headers, + } + out.update(kwargs) + return cls(**out) + + def _add_file_from_data( + self, + key: str, + value: t.Union[ + t.BinaryIO, t.Tuple[t.BinaryIO, str], t.Tuple[t.BinaryIO, str, str] + ], + ) -> None: + """Called in the EnvironBuilder to add files from the data dict.""" + if isinstance(value, tuple): + self.files.add_file(key, *value) + else: + self.files.add_file(key, value) + + @staticmethod + def _make_base_url(scheme: str, host: str, script_root: str) -> str: + return url_unparse((scheme, host, script_root, "", "")).rstrip("/") + "/" + + @property + def base_url(self) -> str: + """The base URL is used to extract the URL scheme, host name, + port, and root path. + """ + return self._make_base_url(self.url_scheme, self.host, self.script_root) + + @base_url.setter + def base_url(self, value: t.Optional[str]) -> None: + if value is None: + scheme = "http" + netloc = "localhost" + script_root = "" + else: + scheme, netloc, script_root, qs, anchor = url_parse(value) + if qs or anchor: + raise ValueError("base url must not contain a query string or fragment") + self.script_root = script_root.rstrip("/") + self.host = netloc + self.url_scheme = scheme + + @property + def content_type(self) -> t.Optional[str]: + """The content type for the request. Reflected from and to + the :attr:`headers`. Do not set if you set :attr:`files` or + :attr:`form` for auto detection. + """ + ct = self.headers.get("Content-Type") + if ct is None and not self._input_stream: + if self._files: + return "multipart/form-data" + if self._form: + return "application/x-www-form-urlencoded" + return None + return ct + + @content_type.setter + def content_type(self, value: t.Optional[str]) -> None: + if value is None: + self.headers.pop("Content-Type", None) + else: + self.headers["Content-Type"] = value + + @property + def mimetype(self) -> t.Optional[str]: + """The mimetype (content type without charset etc.) + + .. versionadded:: 0.14 + """ + ct = self.content_type + return ct.split(";")[0].strip() if ct else None + + @mimetype.setter + def mimetype(self, value: str) -> None: + self.content_type = get_content_type(value, self.charset) + + @property + def mimetype_params(self) -> t.Mapping[str, str]: + """The mimetype parameters as dict. For example if the + content type is ``text/html; charset=utf-8`` the params would be + ``{'charset': 'utf-8'}``. + + .. versionadded:: 0.14 + """ + + def on_update(d: t.Mapping[str, str]) -> None: + self.headers["Content-Type"] = dump_options_header(self.mimetype, d) + + d = parse_options_header(self.headers.get("content-type", ""))[1] + return CallbackDict(d, on_update) + + @property + def content_length(self) -> t.Optional[int]: + """The content length as integer. Reflected from and to the + :attr:`headers`. Do not set if you set :attr:`files` or + :attr:`form` for auto detection. + """ + return self.headers.get("Content-Length", type=int) + + @content_length.setter + def content_length(self, value: t.Optional[int]) -> None: + if value is None: + self.headers.pop("Content-Length", None) + else: + self.headers["Content-Length"] = str(value) + + def _get_form(self, name: str, storage: t.Type[_TAnyMultiDict]) -> _TAnyMultiDict: + """Common behavior for getting the :attr:`form` and + :attr:`files` properties. + + :param name: Name of the internal cached attribute. + :param storage: Storage class used for the data. + """ + if self.input_stream is not None: + raise AttributeError("an input stream is defined") + + rv = getattr(self, name) + + if rv is None: + rv = storage() + setattr(self, name, rv) + + return rv # type: ignore + + def _set_form(self, name: str, value: MultiDict) -> None: + """Common behavior for setting the :attr:`form` and + :attr:`files` properties. + + :param name: Name of the internal cached attribute. + :param value: Value to assign to the attribute. + """ + self._input_stream = None + setattr(self, name, value) + + @property + def form(self) -> MultiDict: + """A :class:`MultiDict` of form values.""" + return self._get_form("_form", MultiDict) + + @form.setter + def form(self, value: MultiDict) -> None: + self._set_form("_form", value) + + @property + def files(self) -> FileMultiDict: + """A :class:`FileMultiDict` of uploaded files. Use + :meth:`~FileMultiDict.add_file` to add new files. + """ + return self._get_form("_files", FileMultiDict) + + @files.setter + def files(self, value: FileMultiDict) -> None: + self._set_form("_files", value) + + @property + def input_stream(self) -> t.Optional[t.BinaryIO]: + """An optional input stream. This is mutually exclusive with + setting :attr:`form` and :attr:`files`, setting it will clear + those. Do not provide this if the method is not ``POST`` or + another method that has a body. + """ + return self._input_stream + + @input_stream.setter + def input_stream(self, value: t.Optional[t.BinaryIO]) -> None: + self._input_stream = value + self._form = None + self._files = None + + @property + def query_string(self) -> str: + """The query string. If you set this to a string + :attr:`args` will no longer be available. + """ + if self._query_string is None: + if self._args is not None: + return url_encode(self._args, charset=self.charset) + return "" + return self._query_string + + @query_string.setter + def query_string(self, value: t.Optional[str]) -> None: + self._query_string = value + self._args = None + + @property + def args(self) -> MultiDict: + """The URL arguments as :class:`MultiDict`.""" + if self._query_string is not None: + raise AttributeError("a query string is defined") + if self._args is None: + self._args = MultiDict() + return self._args + + @args.setter + def args(self, value: t.Optional[MultiDict]) -> None: + self._query_string = None + self._args = value + + @property + def server_name(self) -> str: + """The server name (read-only, use :attr:`host` to set)""" + return self.host.split(":", 1)[0] + + @property + def server_port(self) -> int: + """The server port as integer (read-only, use :attr:`host` to set)""" + pieces = self.host.split(":", 1) + if len(pieces) == 2 and pieces[1].isdigit(): + return int(pieces[1]) + if self.url_scheme == "https": + return 443 + return 80 + + def __del__(self) -> None: + try: + self.close() + except Exception: + pass + + def close(self) -> None: + """Closes all files. If you put real :class:`file` objects into the + :attr:`files` dict you can call this method to automatically close + them all in one go. + """ + if self.closed: + return + try: + files = self.files.values() + except AttributeError: + files = () # type: ignore + for f in files: + try: + f.close() + except Exception: + pass + self.closed = True + + def get_environ(self) -> "WSGIEnvironment": + """Return the built environ. + + .. versionchanged:: 0.15 + The content type and length headers are set based on + input stream detection. Previously this only set the WSGI + keys. + """ + input_stream = self.input_stream + content_length = self.content_length + + mimetype = self.mimetype + content_type = self.content_type + + if input_stream is not None: + start_pos = input_stream.tell() + input_stream.seek(0, 2) + end_pos = input_stream.tell() + input_stream.seek(start_pos) + content_length = end_pos - start_pos + elif mimetype == "multipart/form-data": + input_stream, content_length, boundary = stream_encode_multipart( + CombinedMultiDict([self.form, self.files]), charset=self.charset + ) + content_type = f'{mimetype}; boundary="{boundary}"' + elif mimetype == "application/x-www-form-urlencoded": + form_encoded = url_encode(self.form, charset=self.charset).encode("ascii") + content_length = len(form_encoded) + input_stream = BytesIO(form_encoded) + else: + input_stream = BytesIO() + + result: "WSGIEnvironment" = {} + if self.environ_base: + result.update(self.environ_base) + + def _path_encode(x: str) -> str: + return _wsgi_encoding_dance(url_unquote(x, self.charset), self.charset) + + raw_uri = _wsgi_encoding_dance(self.request_uri, self.charset) + result.update( + { + "REQUEST_METHOD": self.method, + "SCRIPT_NAME": _path_encode(self.script_root), + "PATH_INFO": _path_encode(self.path), + "QUERY_STRING": _wsgi_encoding_dance(self.query_string, self.charset), + # Non-standard, added by mod_wsgi, uWSGI + "REQUEST_URI": raw_uri, + # Non-standard, added by gunicorn + "RAW_URI": raw_uri, + "SERVER_NAME": self.server_name, + "SERVER_PORT": str(self.server_port), + "HTTP_HOST": self.host, + "SERVER_PROTOCOL": self.server_protocol, + "wsgi.version": self.wsgi_version, + "wsgi.url_scheme": self.url_scheme, + "wsgi.input": input_stream, + "wsgi.errors": self.errors_stream, + "wsgi.multithread": self.multithread, + "wsgi.multiprocess": self.multiprocess, + "wsgi.run_once": self.run_once, + } + ) + + headers = self.headers.copy() + + if content_type is not None: + result["CONTENT_TYPE"] = content_type + headers.set("Content-Type", content_type) + + if content_length is not None: + result["CONTENT_LENGTH"] = str(content_length) + headers.set("Content-Length", content_length) + + combined_headers = defaultdict(list) + + for key, value in headers.to_wsgi_list(): + combined_headers[f"HTTP_{key.upper().replace('-', '_')}"].append(value) + + for key, values in combined_headers.items(): + result[key] = ", ".join(values) + + if self.environ_overrides: + result.update(self.environ_overrides) + + return result + + def get_request(self, cls: t.Optional[t.Type[Request]] = None) -> Request: + """Returns a request with the data. If the request class is not + specified :attr:`request_class` is used. + + :param cls: The request wrapper to use. + """ + if cls is None: + cls = self.request_class + + return cls(self.get_environ()) + + +class ClientRedirectError(Exception): + """If a redirect loop is detected when using follow_redirects=True with + the :cls:`Client`, then this exception is raised. + """ + + +class Client: + """This class allows you to send requests to a wrapped application. + + The use_cookies parameter indicates whether cookies should be stored and + sent for subsequent requests. This is True by default, but passing False + will disable this behaviour. + + If you want to request some subdomain of your application you may set + `allow_subdomain_redirects` to `True` as if not no external redirects + are allowed. + + .. versionchanged:: 2.0 + ``response_wrapper`` is always a subclass of + :class:``TestResponse``. + + .. versionchanged:: 0.5 + Added the ``use_cookies`` parameter. + """ + + def __init__( + self, + application: "WSGIApplication", + response_wrapper: t.Optional[t.Type["Response"]] = None, + use_cookies: bool = True, + allow_subdomain_redirects: bool = False, + ) -> None: + self.application = application + + if response_wrapper in {None, Response}: + response_wrapper = TestResponse + elif not isinstance(response_wrapper, TestResponse): + response_wrapper = type( + "WrapperTestResponse", + (TestResponse, response_wrapper), # type: ignore + {}, + ) + + self.response_wrapper = t.cast(t.Type["TestResponse"], response_wrapper) + + if use_cookies: + self.cookie_jar: t.Optional[_TestCookieJar] = _TestCookieJar() + else: + self.cookie_jar = None + + self.allow_subdomain_redirects = allow_subdomain_redirects + + def set_cookie( + self, + server_name: str, + key: str, + value: str = "", + max_age: t.Optional[t.Union[timedelta, int]] = None, + expires: t.Optional[t.Union[str, datetime, int, float]] = None, + path: str = "/", + domain: t.Optional[str] = None, + secure: bool = False, + httponly: bool = False, + samesite: t.Optional[str] = None, + charset: str = "utf-8", + ) -> None: + """Sets a cookie in the client's cookie jar. The server name + is required and has to match the one that is also passed to + the open call. + """ + assert self.cookie_jar is not None, "cookies disabled" + header = dump_cookie( + key, + value, + max_age, + expires, + path, + domain, + secure, + httponly, + charset, + samesite=samesite, + ) + environ = create_environ(path, base_url=f"http://{server_name}") + headers = [("Set-Cookie", header)] + self.cookie_jar.extract_wsgi(environ, headers) + + def delete_cookie( + self, + server_name: str, + key: str, + path: str = "/", + domain: t.Optional[str] = None, + secure: bool = False, + httponly: bool = False, + samesite: t.Optional[str] = None, + ) -> None: + """Deletes a cookie in the test client.""" + self.set_cookie( + server_name, + key, + expires=0, + max_age=0, + path=path, + domain=domain, + secure=secure, + httponly=httponly, + samesite=samesite, + ) + + def run_wsgi_app( + self, environ: "WSGIEnvironment", buffered: bool = False + ) -> t.Tuple[t.Iterable[bytes], str, Headers]: + """Runs the wrapped WSGI app with the given environment. + + :meta private: + """ + if self.cookie_jar is not None: + self.cookie_jar.inject_wsgi(environ) + + rv = run_wsgi_app(self.application, environ, buffered=buffered) + + if self.cookie_jar is not None: + self.cookie_jar.extract_wsgi(environ, rv[2]) + + return rv + + def resolve_redirect( + self, response: "TestResponse", buffered: bool = False + ) -> "TestResponse": + """Perform a new request to the location given by the redirect + response to the previous request. + + :meta private: + """ + scheme, netloc, path, qs, anchor = url_parse(response.location) + builder = EnvironBuilder.from_environ(response.request.environ, query_string=qs) + + to_name_parts = netloc.split(":", 1)[0].split(".") + from_name_parts = builder.server_name.split(".") + + if to_name_parts != [""]: + # The new location has a host, use it for the base URL. + builder.url_scheme = scheme + builder.host = netloc + else: + # A local redirect with autocorrect_location_header=False + # doesn't have a host, so use the request's host. + to_name_parts = from_name_parts + + # Explain why a redirect to a different server name won't be followed. + if to_name_parts != from_name_parts: + if to_name_parts[-len(from_name_parts) :] == from_name_parts: + if not self.allow_subdomain_redirects: + raise RuntimeError("Following subdomain redirects is not enabled.") + else: + raise RuntimeError("Following external redirects is not supported.") + + path_parts = path.split("/") + root_parts = builder.script_root.split("/") + + if path_parts[: len(root_parts)] == root_parts: + # Strip the script root from the path. + builder.path = path[len(builder.script_root) :] + else: + # The new location is not under the script root, so use the + # whole path and clear the previous root. + builder.path = path + builder.script_root = "" + + # Only 307 and 308 preserve all of the original request. + if response.status_code not in {307, 308}: + # HEAD is preserved, everything else becomes GET. + if builder.method != "HEAD": + builder.method = "GET" + + # Clear the body and the headers that describe it. + + if builder.input_stream is not None: + builder.input_stream.close() + builder.input_stream = None + + builder.content_type = None + builder.content_length = None + builder.headers.pop("Transfer-Encoding", None) + + return self.open(builder, buffered=buffered) + + def open( + self, + *args: t.Any, + as_tuple: bool = False, + buffered: bool = False, + follow_redirects: bool = False, + **kwargs: t.Any, + ) -> "TestResponse": + """Generate an environ dict from the given arguments, make a + request to the application using it, and return the response. + + :param args: Passed to :class:`EnvironBuilder` to create the + environ for the request. If a single arg is passed, it can + be an existing :class:`EnvironBuilder` or an environ dict. + :param buffered: Convert the iterator returned by the app into + a list. If the iterator has a ``close()`` method, it is + called automatically. + :param follow_redirects: Make additional requests to follow HTTP + redirects until a non-redirect status is returned. + :attr:`TestResponse.history` lists the intermediate + responses. + + .. versionchanged:: 2.0 + ``as_tuple`` is deprecated and will be removed in Werkzeug + 2.1. Use :attr:`TestResponse.request` and + ``request.environ`` instead. + + .. versionchanged:: 2.0 + The request input stream is closed when calling + ``response.close()``. Input streams for redirects are + automatically closed. + + .. versionchanged:: 0.5 + If a dict is provided as file in the dict for the ``data`` + parameter the content type has to be called ``content_type`` + instead of ``mimetype``. This change was made for + consistency with :class:`werkzeug.FileWrapper`. + + .. versionchanged:: 0.5 + Added the ``follow_redirects`` parameter. + """ + request: t.Optional["Request"] = None + + if not kwargs and len(args) == 1: + arg = args[0] + + if isinstance(arg, EnvironBuilder): + request = arg.get_request() + elif isinstance(arg, dict): + request = EnvironBuilder.from_environ(arg).get_request() + elif isinstance(arg, Request): + request = arg + + if request is None: + builder = EnvironBuilder(*args, **kwargs) + + try: + request = builder.get_request() + finally: + builder.close() + + response = self.run_wsgi_app(request.environ, buffered=buffered) + response = self.response_wrapper(*response, request=request) + + redirects = set() + history: t.List["TestResponse"] = [] + + while follow_redirects and response.status_code in { + 301, + 302, + 303, + 305, + 307, + 308, + }: + # Exhaust intermediate response bodies to ensure middleware + # that returns an iterator runs any cleanup code. + if not buffered: + response.make_sequence() + response.close() + + new_redirect_entry = (response.location, response.status_code) + + if new_redirect_entry in redirects: + raise ClientRedirectError( + f"Loop detected: A {response.status_code} redirect" + f" to {response.location} was already made." + ) + + redirects.add(new_redirect_entry) + response.history = tuple(history) + history.append(response) + response = self.resolve_redirect(response, buffered=buffered) + else: + # This is the final request after redirects, or not + # following redirects. + response.history = tuple(history) + # Close the input stream when closing the response, in case + # the input is an open temporary file. + response.call_on_close(request.input_stream.close) + + if as_tuple: + warnings.warn( + "'as_tuple' is deprecated and will be removed in" + " Werkzeug 2.1. Access 'response.request.environ'" + " instead.", + DeprecationWarning, + stacklevel=2, + ) + return request.environ, response # type: ignore + + return response + + def get(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``GET``.""" + kw["method"] = "GET" + return self.open(*args, **kw) + + def post(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``POST``.""" + kw["method"] = "POST" + return self.open(*args, **kw) + + def put(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``PUT``.""" + kw["method"] = "PUT" + return self.open(*args, **kw) + + def delete(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``DELETE``.""" + kw["method"] = "DELETE" + return self.open(*args, **kw) + + def patch(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``PATCH``.""" + kw["method"] = "PATCH" + return self.open(*args, **kw) + + def options(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``OPTIONS``.""" + kw["method"] = "OPTIONS" + return self.open(*args, **kw) + + def head(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``HEAD``.""" + kw["method"] = "HEAD" + return self.open(*args, **kw) + + def trace(self, *args: t.Any, **kw: t.Any) -> "TestResponse": + """Call :meth:`open` with ``method`` set to ``TRACE``.""" + kw["method"] = "TRACE" + return self.open(*args, **kw) + + def __repr__(self) -> str: + return f"<{type(self).__name__} {self.application!r}>" + + +def create_environ(*args: t.Any, **kwargs: t.Any) -> "WSGIEnvironment": + """Create a new WSGI environ dict based on the values passed. The first + parameter should be the path of the request which defaults to '/'. The + second one can either be an absolute path (in that case the host is + localhost:80) or a full path to the request with scheme, netloc port and + the path to the script. + + This accepts the same arguments as the :class:`EnvironBuilder` + constructor. + + .. versionchanged:: 0.5 + This function is now a thin wrapper over :class:`EnvironBuilder` which + was added in 0.5. The `headers`, `environ_base`, `environ_overrides` + and `charset` parameters were added. + """ + builder = EnvironBuilder(*args, **kwargs) + + try: + return builder.get_environ() + finally: + builder.close() + + +def run_wsgi_app( + app: "WSGIApplication", environ: "WSGIEnvironment", buffered: bool = False +) -> t.Tuple[t.Iterable[bytes], str, Headers]: + """Return a tuple in the form (app_iter, status, headers) of the + application output. This works best if you pass it an application that + returns an iterator all the time. + + Sometimes applications may use the `write()` callable returned + by the `start_response` function. This tries to resolve such edge + cases automatically. But if you don't get the expected output you + should set `buffered` to `True` which enforces buffering. + + If passed an invalid WSGI application the behavior of this function is + undefined. Never pass non-conforming WSGI applications to this function. + + :param app: the application to execute. + :param buffered: set to `True` to enforce buffering. + :return: tuple in the form ``(app_iter, status, headers)`` + """ + # Copy environ to ensure any mutations by the app (ProxyFix, for + # example) don't affect subsequent requests (such as redirects). + environ = _get_environ(environ).copy() + status: str + response: t.Optional[t.Tuple[str, t.List[t.Tuple[str, str]]]] = None + buffer: t.List[bytes] = [] + + def start_response(status, headers, exc_info=None): # type: ignore + nonlocal response + + if exc_info: + try: + raise exc_info[1].with_traceback(exc_info[2]) + finally: + exc_info = None + + response = (status, headers) + return buffer.append + + app_rv = app(environ, start_response) + close_func = getattr(app_rv, "close", None) + app_iter: t.Iterable[bytes] = iter(app_rv) + + # when buffering we emit the close call early and convert the + # application iterator into a regular list + if buffered: + try: + app_iter = list(app_iter) + finally: + if close_func is not None: + close_func() + + # otherwise we iterate the application iter until we have a response, chain + # the already received data with the already collected data and wrap it in + # a new `ClosingIterator` if we need to restore a `close` callable from the + # original return value. + else: + for item in app_iter: + buffer.append(item) + + if response is not None: + break + + if buffer: + app_iter = chain(buffer, app_iter) + + if close_func is not None and app_iter is not app_rv: + app_iter = ClosingIterator(app_iter, close_func) + + status, headers = response # type: ignore + return app_iter, status, Headers(headers) + + +class TestResponse(Response): + """:class:`~werkzeug.wrappers.Response` subclass that provides extra + information about requests made with the test :class:`Client`. + + Test client requests will always return an instance of this class. + If a custom response class is passed to the client, it is + subclassed along with this to support test information. + + If the test request included large files, or if the application is + serving a file, call :meth:`close` to close any open files and + prevent Python showing a ``ResourceWarning``. + """ + + request: Request + """A request object with the environ used to make the request that + resulted in this response. + """ + + history: t.Tuple["TestResponse", ...] + """A list of intermediate responses. Populated when the test request + is made with ``follow_redirects`` enabled. + """ + + def __init__( + self, + response: t.Iterable[bytes], + status: str, + headers: Headers, + request: Request, + history: t.Tuple["TestResponse"] = (), # type: ignore + **kwargs: t.Any, + ) -> None: + super().__init__(response, status, headers, **kwargs) + self.request = request + self.history = history + self._compat_tuple = response, status, headers + + def __iter__(self) -> t.Iterator: + warnings.warn( + ( + "The test client no longer returns a tuple, it returns" + " a 'TestResponse'. Tuple unpacking is deprecated and" + " will be removed in Werkzeug 2.1. Access the" + " attributes 'data', 'status', and 'headers' instead." + ), + DeprecationWarning, + stacklevel=2, + ) + return iter(self._compat_tuple) + + def __getitem__(self, item: int) -> t.Any: + warnings.warn( + ( + "The test client no longer returns a tuple, it returns" + " a 'TestResponse'. Item indexing is deprecated and" + " will be removed in Werkzeug 2.1. Access the" + " attributes 'data', 'status', and 'headers' instead." + ), + DeprecationWarning, + stacklevel=2, + ) + return self._compat_tuple[item] diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/testapp.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/testapp.py new file mode 100644 index 0000000..981f887 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/testapp.py @@ -0,0 +1,240 @@ +"""A small application that can be used to test a WSGI server and check +it for WSGI compliance. +""" +import base64 +import os +import sys +import typing as t +from html import escape +from textwrap import wrap + +from . import __version__ as _werkzeug_version +from .wrappers.request import Request +from .wrappers.response import Response + +if t.TYPE_CHECKING: + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIEnvironment + + +logo = Response( + base64.b64decode( + """ +R0lGODlhoACgAOMIAAEDACwpAEpCAGdgAJaKAM28AOnVAP3rAP///////// +//////////////////////yH5BAEKAAgALAAAAACgAKAAAAT+EMlJq704680R+F0ojmRpnuj0rWnrv +nB8rbRs33gu0bzu/0AObxgsGn3D5HHJbCUFyqZ0ukkSDlAidctNFg7gbI9LZlrBaHGtzAae0eloe25 +7w9EDOX2fst/xenyCIn5/gFqDiVVDV4aGeYiKkhSFjnCQY5OTlZaXgZp8nJ2ekaB0SQOjqphrpnOiq +ncEn65UsLGytLVmQ6m4sQazpbtLqL/HwpnER8bHyLrLOc3Oz8PRONPU1crXN9na263dMt/g4SzjMeX +m5yDpLqgG7OzJ4u8lT/P69ej3JPn69kHzN2OIAHkB9RUYSFCFQYQJFTIkCDBiwoXWGnowaLEjRm7+G +p9A7Hhx4rUkAUaSLJlxHMqVMD/aSycSZkyTplCqtGnRAM5NQ1Ly5OmzZc6gO4d6DGAUKA+hSocWYAo +SlM6oUWX2O/o0KdaVU5vuSQLAa0ADwQgMEMB2AIECZhVSnTno6spgbtXmHcBUrQACcc2FrTrWS8wAf +78cMFBgwIBgbN+qvTt3ayikRBk7BoyGAGABAdYyfdzRQGV3l4coxrqQ84GpUBmrdR3xNIDUPAKDBSA +ADIGDhhqTZIWaDcrVX8EsbNzbkvCOxG8bN5w8ly9H8jyTJHC6DFndQydbguh2e/ctZJFXRxMAqqPVA +tQH5E64SPr1f0zz7sQYjAHg0In+JQ11+N2B0XXBeeYZgBZFx4tqBToiTCPv0YBgQv8JqA6BEf6RhXx +w1ENhRBnWV8ctEX4Ul2zc3aVGcQNC2KElyTDYyYUWvShdjDyMOGMuFjqnII45aogPhz/CodUHFwaDx +lTgsaOjNyhGWJQd+lFoAGk8ObghI0kawg+EV5blH3dr+digkYuAGSaQZFHFz2P/cTaLmhF52QeSb45 +Jwxd+uSVGHlqOZpOeJpCFZ5J+rkAkFjQ0N1tah7JJSZUFNsrkeJUJMIBi8jyaEKIhKPomnC91Uo+NB +yyaJ5umnnpInIFh4t6ZSpGaAVmizqjpByDegYl8tPE0phCYrhcMWSv+uAqHfgH88ak5UXZmlKLVJhd +dj78s1Fxnzo6yUCrV6rrDOkluG+QzCAUTbCwf9SrmMLzK6p+OPHx7DF+bsfMRq7Ec61Av9i6GLw23r +idnZ+/OO0a99pbIrJkproCQMA17OPG6suq3cca5ruDfXCCDoS7BEdvmJn5otdqscn+uogRHHXs8cbh +EIfYaDY1AkrC0cqwcZpnM6ludx72x0p7Fo/hZAcpJDjax0UdHavMKAbiKltMWCF3xxh9k25N/Viud8 +ba78iCvUkt+V6BpwMlErmcgc502x+u1nSxJSJP9Mi52awD1V4yB/QHONsnU3L+A/zR4VL/indx/y64 +gqcj+qgTeweM86f0Qy1QVbvmWH1D9h+alqg254QD8HJXHvjQaGOqEqC22M54PcftZVKVSQG9jhkv7C +JyTyDoAJfPdu8v7DRZAxsP/ky9MJ3OL36DJfCFPASC3/aXlfLOOON9vGZZHydGf8LnxYJuuVIbl83y +Az5n/RPz07E+9+zw2A2ahz4HxHo9Kt79HTMx1Q7ma7zAzHgHqYH0SoZWyTuOLMiHwSfZDAQTn0ajk9 +YQqodnUYjByQZhZak9Wu4gYQsMyEpIOAOQKze8CmEF45KuAHTvIDOfHJNipwoHMuGHBnJElUoDmAyX +c2Qm/R8Ah/iILCCJOEokGowdhDYc/yoL+vpRGwyVSCWFYZNljkhEirGXsalWcAgOdeAdoXcktF2udb +qbUhjWyMQxYO01o6KYKOr6iK3fE4MaS+DsvBsGOBaMb0Y6IxADaJhFICaOLmiWTlDAnY1KzDG4ambL +cWBA8mUzjJsN2KjSaSXGqMCVXYpYkj33mcIApyhQf6YqgeNAmNvuC0t4CsDbSshZJkCS1eNisKqlyG +cF8G2JeiDX6tO6Mv0SmjCa3MFb0bJaGPMU0X7c8XcpvMaOQmCajwSeY9G0WqbBmKv34DsMIEztU6Y2 +KiDlFdt6jnCSqx7Dmt6XnqSKaFFHNO5+FmODxMCWBEaco77lNDGXBM0ECYB/+s7nKFdwSF5hgXumQe +EZ7amRg39RHy3zIjyRCykQh8Zo2iviRKyTDn/zx6EefptJj2Cw+Ep2FSc01U5ry4KLPYsTyWnVGnvb +UpyGlhjBUljyjHhWpf8OFaXwhp9O4T1gU9UeyPPa8A2l0p1kNqPXEVRm1AOs1oAGZU596t6SOR2mcB +Oco1srWtkaVrMUzIErrKri85keKqRQYX9VX0/eAUK1hrSu6HMEX3Qh2sCh0q0D2CtnUqS4hj62sE/z +aDs2Sg7MBS6xnQeooc2R2tC9YrKpEi9pLXfYXp20tDCpSP8rKlrD4axprb9u1Df5hSbz9QU0cRpfgn +kiIzwKucd0wsEHlLpe5yHXuc6FrNelOl7pY2+11kTWx7VpRu97dXA3DO1vbkhcb4zyvERYajQgAADs +=""" + ), + mimetype="image/png", +) + + +TEMPLATE = """\ + +WSGI Information + +
    + +

    WSGI Information

    +

    + This page displays all available information about the WSGI server and + the underlying Python interpreter. +

    Python Interpreter

    + + + + + + +
    Python Version + %(python_version)s +
    Platform + %(platform)s [%(os)s] +
    API Version + %(api_version)s +
    Byteorder + %(byteorder)s +
    Werkzeug Version + %(werkzeug_version)s +
    +

    WSGI Environment

    + %(wsgi_env)s
    +

    Installed Eggs

    +

    + The following python packages were installed on the system as + Python eggs: +

      %(python_eggs)s
    +

    System Path

    +

    + The following paths are the current contents of the load path. The + following entries are looked up for Python packages. Note that not + all items in this path are folders. Gray and underlined items are + entries pointing to invalid resources or used by custom import hooks + such as the zip importer. +

    + Items with a bright background were expanded for display from a relative + path. If you encounter such paths in the output you might want to check + your setup as relative paths are usually problematic in multithreaded + environments. +

      %(sys_path)s
    +
    +""" + + +def iter_sys_path() -> t.Iterator[t.Tuple[str, bool, bool]]: + if os.name == "posix": + + def strip(x: str) -> str: + prefix = os.path.expanduser("~") + if x.startswith(prefix): + x = f"~{x[len(prefix) :]}" + return x + + else: + + def strip(x: str) -> str: + return x + + cwd = os.path.abspath(os.getcwd()) + for item in sys.path: + path = os.path.join(cwd, item or os.path.curdir) + yield strip(os.path.normpath(path)), not os.path.isdir(path), path != item + + +def render_testapp(req: Request) -> bytes: + try: + import pkg_resources + except ImportError: + eggs: t.Iterable[t.Any] = () + else: + eggs = sorted( + pkg_resources.working_set, + key=lambda x: x.project_name.lower(), # type: ignore + ) + python_eggs = [] + for egg in eggs: + try: + version = egg.version + except (ValueError, AttributeError): + version = "unknown" + python_eggs.append( + f"
  • {escape(egg.project_name)} [{escape(version)}]" + ) + + wsgi_env = [] + sorted_environ = sorted(req.environ.items(), key=lambda x: repr(x[0]).lower()) + for key, value in sorted_environ: + value = "".join(wrap(escape(repr(value)))) + wsgi_env.append(f"{escape(str(key))}{value}") + + sys_path = [] + for item, virtual, expanded in iter_sys_path(): + class_ = [] + if virtual: + class_.append("virtual") + if expanded: + class_.append("exp") + class_ = f' class="{" ".join(class_)}"' if class_ else "" + sys_path.append(f"{escape(item)}") + + return ( + TEMPLATE + % { + "python_version": "
    ".join(escape(sys.version).splitlines()), + "platform": escape(sys.platform), + "os": escape(os.name), + "api_version": sys.api_version, + "byteorder": sys.byteorder, + "werkzeug_version": _werkzeug_version, + "python_eggs": "\n".join(python_eggs), + "wsgi_env": "\n".join(wsgi_env), + "sys_path": "\n".join(sys_path), + } + ).encode("utf-8") + + +def test_app( + environ: "WSGIEnvironment", start_response: "StartResponse" +) -> t.Iterable[bytes]: + """Simple test application that dumps the environment. You can use + it to check if Werkzeug is working properly: + + .. sourcecode:: pycon + + >>> from werkzeug.serving import run_simple + >>> from werkzeug.testapp import test_app + >>> run_simple('localhost', 3000, test_app) + * Running on http://localhost:3000/ + + The application displays important information from the WSGI environment, + the Python interpreter and the installed libraries. + """ + req = Request(environ, populate_request=False) + if req.args.get("resource") == "logo": + response = logo + else: + response = Response(render_testapp(req), mimetype="text/html") + return response(environ, start_response) + + +if __name__ == "__main__": + from .serving import run_simple + + run_simple("localhost", 5000, test_app, use_reloader=True) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/urls.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/urls.py new file mode 100644 index 0000000..7566ac2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/urls.py @@ -0,0 +1,1211 @@ +"""Functions for working with URLs. + +Contains implementations of functions from :mod:`urllib.parse` that +handle bytes and strings. +""" +import codecs +import os +import re +import typing as t +import warnings + +from ._internal import _check_str_tuple +from ._internal import _decode_idna +from ._internal import _encode_idna +from ._internal import _make_encode_wrapper +from ._internal import _to_str + +if t.TYPE_CHECKING: + from . import datastructures as ds + +# A regular expression for what a valid schema looks like +_scheme_re = re.compile(r"^[a-zA-Z0-9+-.]+$") + +# Characters that are safe in any part of an URL. +_always_safe = frozenset( + bytearray( + b"abcdefghijklmnopqrstuvwxyz" + b"ABCDEFGHIJKLMNOPQRSTUVWXYZ" + b"0123456789" + b"-._~" + ) +) + +_hexdigits = "0123456789ABCDEFabcdef" +_hextobyte = { + f"{a}{b}".encode("ascii"): int(f"{a}{b}", 16) + for a in _hexdigits + for b in _hexdigits +} +_bytetohex = [f"%{char:02X}".encode("ascii") for char in range(256)] + + +class _URLTuple(t.NamedTuple): + scheme: str + netloc: str + path: str + query: str + fragment: str + + +class BaseURL(_URLTuple): + """Superclass of :py:class:`URL` and :py:class:`BytesURL`.""" + + __slots__ = () + _at: str + _colon: str + _lbracket: str + _rbracket: str + + def __str__(self) -> str: + return self.to_url() + + def replace(self, **kwargs: t.Any) -> "BaseURL": + """Return an URL with the same values, except for those parameters + given new values by whichever keyword arguments are specified.""" + return self._replace(**kwargs) + + @property + def host(self) -> t.Optional[str]: + """The host part of the URL if available, otherwise `None`. The + host is either the hostname or the IP address mentioned in the + URL. It will not contain the port. + """ + return self._split_host()[0] + + @property + def ascii_host(self) -> t.Optional[str]: + """Works exactly like :attr:`host` but will return a result that + is restricted to ASCII. If it finds a netloc that is not ASCII + it will attempt to idna decode it. This is useful for socket + operations when the URL might include internationalized characters. + """ + rv = self.host + if rv is not None and isinstance(rv, str): + try: + rv = _encode_idna(rv) # type: ignore + except UnicodeError: + rv = rv.encode("ascii", "ignore") # type: ignore + return _to_str(rv, "ascii", "ignore") + + @property + def port(self) -> t.Optional[int]: + """The port in the URL as an integer if it was present, `None` + otherwise. This does not fill in default ports. + """ + try: + rv = int(_to_str(self._split_host()[1])) + if 0 <= rv <= 65535: + return rv + except (ValueError, TypeError): + pass + return None + + @property + def auth(self) -> t.Optional[str]: + """The authentication part in the URL if available, `None` + otherwise. + """ + return self._split_netloc()[0] + + @property + def username(self) -> t.Optional[str]: + """The username if it was part of the URL, `None` otherwise. + This undergoes URL decoding and will always be a string. + """ + rv = self._split_auth()[0] + if rv is not None: + return _url_unquote_legacy(rv) + return None + + @property + def raw_username(self) -> t.Optional[str]: + """The username if it was part of the URL, `None` otherwise. + Unlike :attr:`username` this one is not being decoded. + """ + return self._split_auth()[0] + + @property + def password(self) -> t.Optional[str]: + """The password if it was part of the URL, `None` otherwise. + This undergoes URL decoding and will always be a string. + """ + rv = self._split_auth()[1] + if rv is not None: + return _url_unquote_legacy(rv) + return None + + @property + def raw_password(self) -> t.Optional[str]: + """The password if it was part of the URL, `None` otherwise. + Unlike :attr:`password` this one is not being decoded. + """ + return self._split_auth()[1] + + def decode_query(self, *args: t.Any, **kwargs: t.Any) -> "ds.MultiDict[str, str]": + """Decodes the query part of the URL. Ths is a shortcut for + calling :func:`url_decode` on the query argument. The arguments and + keyword arguments are forwarded to :func:`url_decode` unchanged. + """ + return url_decode(self.query, *args, **kwargs) + + def join(self, *args: t.Any, **kwargs: t.Any) -> "BaseURL": + """Joins this URL with another one. This is just a convenience + function for calling into :meth:`url_join` and then parsing the + return value again. + """ + return url_parse(url_join(self, *args, **kwargs)) + + def to_url(self) -> str: + """Returns a URL string or bytes depending on the type of the + information stored. This is just a convenience function + for calling :meth:`url_unparse` for this URL. + """ + return url_unparse(self) + + def encode_netloc(self) -> str: + """Encodes the netloc part to an ASCII safe URL as bytes.""" + rv = self.ascii_host or "" + if ":" in rv: + rv = f"[{rv}]" + port = self.port + if port is not None: + rv = f"{rv}:{port}" + auth = ":".join( + filter( + None, + [ + url_quote(self.raw_username or "", "utf-8", "strict", "/:%"), + url_quote(self.raw_password or "", "utf-8", "strict", "/:%"), + ], + ) + ) + if auth: + rv = f"{auth}@{rv}" + return rv + + def decode_netloc(self) -> str: + """Decodes the netloc part into a string.""" + rv = _decode_idna(self.host or "") + + if ":" in rv: + rv = f"[{rv}]" + port = self.port + if port is not None: + rv = f"{rv}:{port}" + auth = ":".join( + filter( + None, + [ + _url_unquote_legacy(self.raw_username or "", "/:%@"), + _url_unquote_legacy(self.raw_password or "", "/:%@"), + ], + ) + ) + if auth: + rv = f"{auth}@{rv}" + return rv + + def to_uri_tuple(self) -> "BaseURL": + """Returns a :class:`BytesURL` tuple that holds a URI. This will + encode all the information in the URL properly to ASCII using the + rules a web browser would follow. + + It's usually more interesting to directly call :meth:`iri_to_uri` which + will return a string. + """ + return url_parse(iri_to_uri(self)) + + def to_iri_tuple(self) -> "BaseURL": + """Returns a :class:`URL` tuple that holds a IRI. This will try + to decode as much information as possible in the URL without + losing information similar to how a web browser does it for the + URL bar. + + It's usually more interesting to directly call :meth:`uri_to_iri` which + will return a string. + """ + return url_parse(uri_to_iri(self)) + + def get_file_location( + self, pathformat: t.Optional[str] = None + ) -> t.Tuple[t.Optional[str], t.Optional[str]]: + """Returns a tuple with the location of the file in the form + ``(server, location)``. If the netloc is empty in the URL or + points to localhost, it's represented as ``None``. + + The `pathformat` by default is autodetection but needs to be set + when working with URLs of a specific system. The supported values + are ``'windows'`` when working with Windows or DOS paths and + ``'posix'`` when working with posix paths. + + If the URL does not point to a local file, the server and location + are both represented as ``None``. + + :param pathformat: The expected format of the path component. + Currently ``'windows'`` and ``'posix'`` are + supported. Defaults to ``None`` which is + autodetect. + """ + if self.scheme != "file": + return None, None + + path = url_unquote(self.path) + host = self.netloc or None + + if pathformat is None: + if os.name == "nt": + pathformat = "windows" + else: + pathformat = "posix" + + if pathformat == "windows": + if path[:1] == "/" and path[1:2].isalpha() and path[2:3] in "|:": + path = f"{path[1:2]}:{path[3:]}" + windows_share = path[:3] in ("\\" * 3, "/" * 3) + import ntpath + + path = ntpath.normpath(path) + # Windows shared drives are represented as ``\\host\\directory``. + # That results in a URL like ``file://///host/directory``, and a + # path like ``///host/directory``. We need to special-case this + # because the path contains the hostname. + if windows_share and host is None: + parts = path.lstrip("\\").split("\\", 1) + if len(parts) == 2: + host, path = parts + else: + host = parts[0] + path = "" + elif pathformat == "posix": + import posixpath + + path = posixpath.normpath(path) + else: + raise TypeError(f"Invalid path format {pathformat!r}") + + if host in ("127.0.0.1", "::1", "localhost"): + host = None + + return host, path + + def _split_netloc(self) -> t.Tuple[t.Optional[str], str]: + if self._at in self.netloc: + auth, _, netloc = self.netloc.partition(self._at) + return auth, netloc + return None, self.netloc + + def _split_auth(self) -> t.Tuple[t.Optional[str], t.Optional[str]]: + auth = self._split_netloc()[0] + if not auth: + return None, None + if self._colon not in auth: + return auth, None + + username, _, password = auth.partition(self._colon) + return username, password + + def _split_host(self) -> t.Tuple[t.Optional[str], t.Optional[str]]: + rv = self._split_netloc()[1] + if not rv: + return None, None + + if not rv.startswith(self._lbracket): + if self._colon in rv: + host, _, port = rv.partition(self._colon) + return host, port + return rv, None + + idx = rv.find(self._rbracket) + if idx < 0: + return rv, None + + host = rv[1:idx] + rest = rv[idx + 1 :] + if rest.startswith(self._colon): + return host, rest[1:] + return host, None + + +class URL(BaseURL): + """Represents a parsed URL. This behaves like a regular tuple but + also has some extra attributes that give further insight into the + URL. + """ + + __slots__ = () + _at = "@" + _colon = ":" + _lbracket = "[" + _rbracket = "]" + + def encode(self, charset: str = "utf-8", errors: str = "replace") -> "BytesURL": + """Encodes the URL to a tuple made out of bytes. The charset is + only being used for the path, query and fragment. + """ + return BytesURL( + self.scheme.encode("ascii"), # type: ignore + self.encode_netloc(), + self.path.encode(charset, errors), # type: ignore + self.query.encode(charset, errors), # type: ignore + self.fragment.encode(charset, errors), # type: ignore + ) + + +class BytesURL(BaseURL): + """Represents a parsed URL in bytes.""" + + __slots__ = () + _at = b"@" # type: ignore + _colon = b":" # type: ignore + _lbracket = b"[" # type: ignore + _rbracket = b"]" # type: ignore + + def __str__(self) -> str: + return self.to_url().decode("utf-8", "replace") # type: ignore + + def encode_netloc(self) -> bytes: # type: ignore + """Returns the netloc unchanged as bytes.""" + return self.netloc # type: ignore + + def decode(self, charset: str = "utf-8", errors: str = "replace") -> "URL": + """Decodes the URL to a tuple made out of strings. The charset is + only being used for the path, query and fragment. + """ + return URL( + self.scheme.decode("ascii"), # type: ignore + self.decode_netloc(), + self.path.decode(charset, errors), # type: ignore + self.query.decode(charset, errors), # type: ignore + self.fragment.decode(charset, errors), # type: ignore + ) + + +_unquote_maps: t.Dict[t.FrozenSet[int], t.Dict[bytes, int]] = {frozenset(): _hextobyte} + + +def _unquote_to_bytes( + string: t.Union[str, bytes], unsafe: t.Union[str, bytes] = "" +) -> bytes: + if isinstance(string, str): + string = string.encode("utf-8") + + if isinstance(unsafe, str): + unsafe = unsafe.encode("utf-8") + + unsafe = frozenset(bytearray(unsafe)) + groups = iter(string.split(b"%")) + result = bytearray(next(groups, b"")) + + try: + hex_to_byte = _unquote_maps[unsafe] + except KeyError: + hex_to_byte = _unquote_maps[unsafe] = { + h: b for h, b in _hextobyte.items() if b not in unsafe + } + + for group in groups: + code = group[:2] + + if code in hex_to_byte: + result.append(hex_to_byte[code]) + result.extend(group[2:]) + else: + result.append(37) # % + result.extend(group) + + return bytes(result) + + +def _url_encode_impl( + obj: t.Union[t.Mapping[str, str], t.Iterable[t.Tuple[str, str]]], + charset: str, + sort: bool, + key: t.Optional[t.Callable[[t.Tuple[str, str]], t.Any]], +) -> t.Iterator[str]: + from .datastructures import iter_multi_items + + iterable: t.Iterable[t.Tuple[str, str]] = iter_multi_items(obj) + + if sort: + iterable = sorted(iterable, key=key) + + for key_str, value_str in iterable: + if value_str is None: + continue + + if not isinstance(key_str, bytes): + key_bytes = str(key_str).encode(charset) + else: + key_bytes = key_str + + if not isinstance(value_str, bytes): + value_bytes = str(value_str).encode(charset) + else: + value_bytes = value_str + + yield f"{_fast_url_quote_plus(key_bytes)}={_fast_url_quote_plus(value_bytes)}" + + +def _url_unquote_legacy(value: str, unsafe: str = "") -> str: + try: + return url_unquote(value, charset="utf-8", errors="strict", unsafe=unsafe) + except UnicodeError: + return url_unquote(value, charset="latin1", unsafe=unsafe) + + +def url_parse( + url: str, scheme: t.Optional[str] = None, allow_fragments: bool = True +) -> BaseURL: + """Parses a URL from a string into a :class:`URL` tuple. If the URL + is lacking a scheme it can be provided as second argument. Otherwise, + it is ignored. Optionally fragments can be stripped from the URL + by setting `allow_fragments` to `False`. + + The inverse of this function is :func:`url_unparse`. + + :param url: the URL to parse. + :param scheme: the default schema to use if the URL is schemaless. + :param allow_fragments: if set to `False` a fragment will be removed + from the URL. + """ + s = _make_encode_wrapper(url) + is_text_based = isinstance(url, str) + + if scheme is None: + scheme = s("") + netloc = query = fragment = s("") + i = url.find(s(":")) + if i > 0 and _scheme_re.match(_to_str(url[:i], errors="replace")): + # make sure "iri" is not actually a port number (in which case + # "scheme" is really part of the path) + rest = url[i + 1 :] + if not rest or any(c not in s("0123456789") for c in rest): + # not a port number + scheme, url = url[:i].lower(), rest + + if url[:2] == s("//"): + delim = len(url) + for c in s("/?#"): + wdelim = url.find(c, 2) + if wdelim >= 0: + delim = min(delim, wdelim) + netloc, url = url[2:delim], url[delim:] + if (s("[") in netloc and s("]") not in netloc) or ( + s("]") in netloc and s("[") not in netloc + ): + raise ValueError("Invalid IPv6 URL") + + if allow_fragments and s("#") in url: + url, fragment = url.split(s("#"), 1) + if s("?") in url: + url, query = url.split(s("?"), 1) + + result_type = URL if is_text_based else BytesURL + return result_type(scheme, netloc, url, query, fragment) + + +def _make_fast_url_quote( + charset: str = "utf-8", + errors: str = "strict", + safe: t.Union[str, bytes] = "/:", + unsafe: t.Union[str, bytes] = "", +) -> t.Callable[[bytes], str]: + """Precompile the translation table for a URL encoding function. + + Unlike :func:`url_quote`, the generated function only takes the + string to quote. + + :param charset: The charset to encode the result with. + :param errors: How to handle encoding errors. + :param safe: An optional sequence of safe characters to never encode. + :param unsafe: An optional sequence of unsafe characters to always encode. + """ + if isinstance(safe, str): + safe = safe.encode(charset, errors) + + if isinstance(unsafe, str): + unsafe = unsafe.encode(charset, errors) + + safe = (frozenset(bytearray(safe)) | _always_safe) - frozenset(bytearray(unsafe)) + table = [chr(c) if c in safe else f"%{c:02X}" for c in range(256)] + + def quote(string: bytes) -> str: + return "".join([table[c] for c in string]) + + return quote + + +_fast_url_quote = _make_fast_url_quote() +_fast_quote_plus = _make_fast_url_quote(safe=" ", unsafe="+") + + +def _fast_url_quote_plus(string: bytes) -> str: + return _fast_quote_plus(string).replace(" ", "+") + + +def url_quote( + string: t.Union[str, bytes], + charset: str = "utf-8", + errors: str = "strict", + safe: t.Union[str, bytes] = "/:", + unsafe: t.Union[str, bytes] = "", +) -> str: + """URL encode a single string with a given encoding. + + :param s: the string to quote. + :param charset: the charset to be used. + :param safe: an optional sequence of safe characters. + :param unsafe: an optional sequence of unsafe characters. + + .. versionadded:: 0.9.2 + The `unsafe` parameter was added. + """ + if not isinstance(string, (str, bytes, bytearray)): + string = str(string) + if isinstance(string, str): + string = string.encode(charset, errors) + if isinstance(safe, str): + safe = safe.encode(charset, errors) + if isinstance(unsafe, str): + unsafe = unsafe.encode(charset, errors) + safe = (frozenset(bytearray(safe)) | _always_safe) - frozenset(bytearray(unsafe)) + rv = bytearray() + for char in bytearray(string): + if char in safe: + rv.append(char) + else: + rv.extend(_bytetohex[char]) + return bytes(rv).decode(charset) + + +def url_quote_plus( + string: str, charset: str = "utf-8", errors: str = "strict", safe: str = "" +) -> str: + """URL encode a single string with the given encoding and convert + whitespace to "+". + + :param s: The string to quote. + :param charset: The charset to be used. + :param safe: An optional sequence of safe characters. + """ + return url_quote(string, charset, errors, safe + " ", "+").replace(" ", "+") + + +def url_unparse(components: t.Tuple[str, str, str, str, str]) -> str: + """The reverse operation to :meth:`url_parse`. This accepts arbitrary + as well as :class:`URL` tuples and returns a URL as a string. + + :param components: the parsed URL as tuple which should be converted + into a URL string. + """ + _check_str_tuple(components) + scheme, netloc, path, query, fragment = components + s = _make_encode_wrapper(scheme) + url = s("") + + # We generally treat file:///x and file:/x the same which is also + # what browsers seem to do. This also allows us to ignore a schema + # register for netloc utilization or having to differentiate between + # empty and missing netloc. + if netloc or (scheme and path.startswith(s("/"))): + if path and path[:1] != s("/"): + path = s("/") + path + url = s("//") + (netloc or s("")) + path + elif path: + url += path + if scheme: + url = scheme + s(":") + url + if query: + url = url + s("?") + query + if fragment: + url = url + s("#") + fragment + return url + + +def url_unquote( + s: t.Union[str, bytes], + charset: str = "utf-8", + errors: str = "replace", + unsafe: str = "", +) -> str: + """URL decode a single string with a given encoding. If the charset + is set to `None` no decoding is performed and raw bytes are + returned. + + :param s: the string to unquote. + :param charset: the charset of the query string. If set to `None` + no decoding will take place. + :param errors: the error handling for the charset decoding. + """ + rv = _unquote_to_bytes(s, unsafe) + if charset is None: + return rv + return rv.decode(charset, errors) + + +def url_unquote_plus( + s: t.Union[str, bytes], charset: str = "utf-8", errors: str = "replace" +) -> str: + """URL decode a single string with the given `charset` and decode "+" to + whitespace. + + Per default encoding errors are ignored. If you want a different behavior + you can set `errors` to ``'replace'`` or ``'strict'``. + + :param s: The string to unquote. + :param charset: the charset of the query string. If set to `None` + no decoding will take place. + :param errors: The error handling for the `charset` decoding. + """ + if isinstance(s, str): + s = s.replace("+", " ") + else: + s = s.replace(b"+", b" ") + return url_unquote(s, charset, errors) + + +def url_fix(s: str, charset: str = "utf-8") -> str: + r"""Sometimes you get an URL by a user that just isn't a real URL because + it contains unsafe characters like ' ' and so on. This function can fix + some of the problems in a similar way browsers handle data entered by the + user: + + >>> url_fix('http://de.wikipedia.org/wiki/Elf (Begriffskl\xe4rung)') + 'http://de.wikipedia.org/wiki/Elf%20(Begriffskl%C3%A4rung)' + + :param s: the string with the URL to fix. + :param charset: The target charset for the URL if the url was given + as a string. + """ + # First step is to switch to text processing and to convert + # backslashes (which are invalid in URLs anyways) to slashes. This is + # consistent with what Chrome does. + s = _to_str(s, charset, "replace").replace("\\", "/") + + # For the specific case that we look like a malformed windows URL + # we want to fix this up manually: + if s.startswith("file://") and s[7:8].isalpha() and s[8:10] in (":/", "|/"): + s = f"file:///{s[7:]}" + + url = url_parse(s) + path = url_quote(url.path, charset, safe="/%+$!*'(),") + qs = url_quote_plus(url.query, charset, safe=":&%=+$!*'(),") + anchor = url_quote_plus(url.fragment, charset, safe=":&%=+$!*'(),") + return url_unparse((url.scheme, url.encode_netloc(), path, qs, anchor)) + + +# not-unreserved characters remain quoted when unquoting to IRI +_to_iri_unsafe = "".join([chr(c) for c in range(128) if c not in _always_safe]) + + +def _codec_error_url_quote(e: UnicodeError) -> t.Tuple[str, int]: + """Used in :func:`uri_to_iri` after unquoting to re-quote any + invalid bytes. + """ + # the docs state that UnicodeError does have these attributes, + # but mypy isn't picking them up + out = _fast_url_quote(e.object[e.start : e.end]) # type: ignore + return out, e.end # type: ignore + + +codecs.register_error("werkzeug.url_quote", _codec_error_url_quote) + + +def uri_to_iri( + uri: t.Union[str, t.Tuple[str, str, str, str, str]], + charset: str = "utf-8", + errors: str = "werkzeug.url_quote", +) -> str: + """Convert a URI to an IRI. All valid UTF-8 characters are unquoted, + leaving all reserved and invalid characters quoted. If the URL has + a domain, it is decoded from Punycode. + + >>> uri_to_iri("http://xn--n3h.net/p%C3%A5th?q=%C3%A8ry%DF") + 'http://\\u2603.net/p\\xe5th?q=\\xe8ry%DF' + + :param uri: The URI to convert. + :param charset: The encoding to encode unquoted bytes with. + :param errors: Error handler to use during ``bytes.encode``. By + default, invalid bytes are left quoted. + + .. versionchanged:: 0.15 + All reserved and invalid characters remain quoted. Previously, + only some reserved characters were preserved, and invalid bytes + were replaced instead of left quoted. + + .. versionadded:: 0.6 + """ + if isinstance(uri, tuple): + uri = url_unparse(uri) + + uri = url_parse(_to_str(uri, charset)) + path = url_unquote(uri.path, charset, errors, _to_iri_unsafe) + query = url_unquote(uri.query, charset, errors, _to_iri_unsafe) + fragment = url_unquote(uri.fragment, charset, errors, _to_iri_unsafe) + return url_unparse((uri.scheme, uri.decode_netloc(), path, query, fragment)) + + +# reserved characters remain unquoted when quoting to URI +_to_uri_safe = ":/?#[]@!$&'()*+,;=%" + + +def iri_to_uri( + iri: t.Union[str, t.Tuple[str, str, str, str, str]], + charset: str = "utf-8", + errors: str = "strict", + safe_conversion: bool = False, +) -> str: + """Convert an IRI to a URI. All non-ASCII and unsafe characters are + quoted. If the URL has a domain, it is encoded to Punycode. + + >>> iri_to_uri('http://\\u2603.net/p\\xe5th?q=\\xe8ry%DF') + 'http://xn--n3h.net/p%C3%A5th?q=%C3%A8ry%DF' + + :param iri: The IRI to convert. + :param charset: The encoding of the IRI. + :param errors: Error handler to use during ``bytes.encode``. + :param safe_conversion: Return the URL unchanged if it only contains + ASCII characters and no whitespace. See the explanation below. + + There is a general problem with IRI conversion with some protocols + that are in violation of the URI specification. Consider the + following two IRIs:: + + magnet:?xt=uri:whatever + itms-services://?action=download-manifest + + After parsing, we don't know if the scheme requires the ``//``, + which is dropped if empty, but conveys different meanings in the + final URL if it's present or not. In this case, you can use + ``safe_conversion``, which will return the URL unchanged if it only + contains ASCII characters and no whitespace. This can result in a + URI with unquoted characters if it was not already quoted correctly, + but preserves the URL's semantics. Werkzeug uses this for the + ``Location`` header for redirects. + + .. versionchanged:: 0.15 + All reserved characters remain unquoted. Previously, only some + reserved characters were left unquoted. + + .. versionchanged:: 0.9.6 + The ``safe_conversion`` parameter was added. + + .. versionadded:: 0.6 + """ + if isinstance(iri, tuple): + iri = url_unparse(iri) + + if safe_conversion: + # If we're not sure if it's safe to convert the URL, and it only + # contains ASCII characters, return it unconverted. + try: + native_iri = _to_str(iri) + ascii_iri = native_iri.encode("ascii") + + # Only return if it doesn't have whitespace. (Why?) + if len(ascii_iri.split()) == 1: + return native_iri + except UnicodeError: + pass + + iri = url_parse(_to_str(iri, charset, errors)) + path = url_quote(iri.path, charset, errors, _to_uri_safe) + query = url_quote(iri.query, charset, errors, _to_uri_safe) + fragment = url_quote(iri.fragment, charset, errors, _to_uri_safe) + return url_unparse((iri.scheme, iri.encode_netloc(), path, query, fragment)) + + +def url_decode( + s: t.AnyStr, + charset: str = "utf-8", + decode_keys: None = None, + include_empty: bool = True, + errors: str = "replace", + separator: str = "&", + cls: t.Optional[t.Type["ds.MultiDict"]] = None, +) -> "ds.MultiDict[str, str]": + """Parse a query string and return it as a :class:`MultiDict`. + + :param s: The query string to parse. + :param charset: Decode bytes to string with this charset. If not + given, bytes are returned as-is. + :param include_empty: Include keys with empty values in the dict. + :param errors: Error handling behavior when decoding bytes. + :param separator: Separator character between pairs. + :param cls: Container to hold result instead of :class:`MultiDict`. + + .. versionchanged:: 2.0 + The ``decode_keys`` parameter is deprecated and will be removed + in Werkzeug 2.1. + + .. versionchanged:: 0.5 + In previous versions ";" and "&" could be used for url decoding. + Now only "&" is supported. If you want to use ";", a different + ``separator`` can be provided. + + .. versionchanged:: 0.5 + The ``cls`` parameter was added. + """ + if decode_keys is not None: + warnings.warn( + "'decode_keys' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + if cls is None: + from .datastructures import MultiDict # noqa: F811 + + cls = MultiDict + if isinstance(s, str) and not isinstance(separator, str): + separator = separator.decode(charset or "ascii") + elif isinstance(s, bytes) and not isinstance(separator, bytes): + separator = separator.encode(charset or "ascii") # type: ignore + return cls( + _url_decode_impl( + s.split(separator), charset, include_empty, errors # type: ignore + ) + ) + + +def url_decode_stream( + stream: t.BinaryIO, + charset: str = "utf-8", + decode_keys: None = None, + include_empty: bool = True, + errors: str = "replace", + separator: bytes = b"&", + cls: t.Optional[t.Type["ds.MultiDict"]] = None, + limit: t.Optional[int] = None, + return_iterator: bool = False, +) -> "ds.MultiDict[str, str]": + """Works like :func:`url_decode` but decodes a stream. The behavior + of stream and limit follows functions like + :func:`~werkzeug.wsgi.make_line_iter`. The generator of pairs is + directly fed to the `cls` so you can consume the data while it's + parsed. + + :param stream: a stream with the encoded querystring + :param charset: the charset of the query string. If set to `None` + no decoding will take place. + :param include_empty: Set to `False` if you don't want empty values to + appear in the dict. + :param errors: the decoding error behavior. + :param separator: the pair separator to be used, defaults to ``&`` + :param cls: an optional dict class to use. If this is not specified + or `None` the default :class:`MultiDict` is used. + :param limit: the content length of the URL data. Not necessary if + a limited stream is provided. + + .. versionchanged:: 2.0 + The ``decode_keys`` and ``return_iterator`` parameters are + deprecated and will be removed in Werkzeug 2.1. + + .. versionadded:: 0.8 + """ + from .wsgi import make_chunk_iter + + if decode_keys is not None: + warnings.warn( + "'decode_keys' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + + pair_iter = make_chunk_iter(stream, separator, limit) + decoder = _url_decode_impl(pair_iter, charset, include_empty, errors) + + if return_iterator: + warnings.warn( + "'return_iterator' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return decoder # type: ignore + + if cls is None: + from .datastructures import MultiDict # noqa: F811 + + cls = MultiDict + + return cls(decoder) + + +def _url_decode_impl( + pair_iter: t.Iterable[t.AnyStr], charset: str, include_empty: bool, errors: str +) -> t.Iterator[t.Tuple[str, str]]: + for pair in pair_iter: + if not pair: + continue + s = _make_encode_wrapper(pair) + equal = s("=") + if equal in pair: + key, value = pair.split(equal, 1) + else: + if not include_empty: + continue + key = pair + value = s("") + yield ( + url_unquote_plus(key, charset, errors), + url_unquote_plus(value, charset, errors), + ) + + +def url_encode( + obj: t.Union[t.Mapping[str, str], t.Iterable[t.Tuple[str, str]]], + charset: str = "utf-8", + encode_keys: None = None, + sort: bool = False, + key: t.Optional[t.Callable[[t.Tuple[str, str]], t.Any]] = None, + separator: str = "&", +) -> str: + """URL encode a dict/`MultiDict`. If a value is `None` it will not appear + in the result string. Per default only values are encoded into the target + charset strings. + + :param obj: the object to encode into a query string. + :param charset: the charset of the query string. + :param sort: set to `True` if you want parameters to be sorted by `key`. + :param separator: the separator to be used for the pairs. + :param key: an optional function to be used for sorting. For more details + check out the :func:`sorted` documentation. + + .. versionchanged:: 2.0 + The ``encode_keys`` parameter is deprecated and will be removed + in Werkzeug 2.1. + + .. versionchanged:: 0.5 + Added the ``sort``, ``key``, and ``separator`` parameters. + """ + if encode_keys is not None: + warnings.warn( + "'encode_keys' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + separator = _to_str(separator, "ascii") + return separator.join(_url_encode_impl(obj, charset, sort, key)) + + +def url_encode_stream( + obj: t.Union[t.Mapping[str, str], t.Iterable[t.Tuple[str, str]]], + stream: t.Optional[t.TextIO] = None, + charset: str = "utf-8", + encode_keys: None = None, + sort: bool = False, + key: t.Optional[t.Callable[[t.Tuple[str, str]], t.Any]] = None, + separator: str = "&", +) -> None: + """Like :meth:`url_encode` but writes the results to a stream + object. If the stream is `None` a generator over all encoded + pairs is returned. + + :param obj: the object to encode into a query string. + :param stream: a stream to write the encoded object into or `None` if + an iterator over the encoded pairs should be returned. In + that case the separator argument is ignored. + :param charset: the charset of the query string. + :param sort: set to `True` if you want parameters to be sorted by `key`. + :param separator: the separator to be used for the pairs. + :param key: an optional function to be used for sorting. For more details + check out the :func:`sorted` documentation. + + .. versionchanged:: 2.0 + The ``encode_keys`` parameter is deprecated and will be removed + in Werkzeug 2.1. + + .. versionadded:: 0.8 + """ + if encode_keys is not None: + warnings.warn( + "'encode_keys' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + separator = _to_str(separator, "ascii") + gen = _url_encode_impl(obj, charset, sort, key) + if stream is None: + return gen # type: ignore + for idx, chunk in enumerate(gen): + if idx: + stream.write(separator) + stream.write(chunk) + return None + + +def url_join( + base: t.Union[str, t.Tuple[str, str, str, str, str]], + url: t.Union[str, t.Tuple[str, str, str, str, str]], + allow_fragments: bool = True, +) -> str: + """Join a base URL and a possibly relative URL to form an absolute + interpretation of the latter. + + :param base: the base URL for the join operation. + :param url: the URL to join. + :param allow_fragments: indicates whether fragments should be allowed. + """ + if isinstance(base, tuple): + base = url_unparse(base) + if isinstance(url, tuple): + url = url_unparse(url) + + _check_str_tuple((base, url)) + s = _make_encode_wrapper(base) + + if not base: + return url + if not url: + return base + + bscheme, bnetloc, bpath, bquery, bfragment = url_parse( + base, allow_fragments=allow_fragments + ) + scheme, netloc, path, query, fragment = url_parse(url, bscheme, allow_fragments) + if scheme != bscheme: + return url + if netloc: + return url_unparse((scheme, netloc, path, query, fragment)) + netloc = bnetloc + + if path[:1] == s("/"): + segments = path.split(s("/")) + elif not path: + segments = bpath.split(s("/")) + if not query: + query = bquery + else: + segments = bpath.split(s("/"))[:-1] + path.split(s("/")) + + # If the rightmost part is "./" we want to keep the slash but + # remove the dot. + if segments[-1] == s("."): + segments[-1] = s("") + + # Resolve ".." and "." + segments = [segment for segment in segments if segment != s(".")] + while True: + i = 1 + n = len(segments) - 1 + while i < n: + if segments[i] == s("..") and segments[i - 1] not in (s(""), s("..")): + del segments[i - 1 : i + 1] + break + i += 1 + else: + break + + # Remove trailing ".." if the URL is absolute + unwanted_marker = [s(""), s("..")] + while segments[:2] == unwanted_marker: + del segments[1] + + path = s("/").join(segments) + return url_unparse((scheme, netloc, path, query, fragment)) + + +class Href: + """Implements a callable that constructs URLs with the given base. The + function can be called with any number of positional and keyword + arguments which than are used to assemble the URL. Works with URLs + and posix paths. + + Positional arguments are appended as individual segments to + the path of the URL: + + >>> href = Href('/foo') + >>> href('bar', 23) + '/foo/bar/23' + >>> href('foo', bar=23) + '/foo/foo?bar=23' + + If any of the arguments (positional or keyword) evaluates to `None` it + will be skipped. If no keyword arguments are given the last argument + can be a :class:`dict` or :class:`MultiDict` (or any other dict subclass), + otherwise the keyword arguments are used for the query parameters, cutting + off the first trailing underscore of the parameter name: + + >>> href(is_=42) + '/foo?is=42' + >>> href({'foo': 'bar'}) + '/foo?foo=bar' + + Combining of both methods is not allowed: + + >>> href({'foo': 'bar'}, bar=42) + Traceback (most recent call last): + ... + TypeError: keyword arguments and query-dicts can't be combined + + Accessing attributes on the href object creates a new href object with + the attribute name as prefix: + + >>> bar_href = href.bar + >>> bar_href("blub") + '/foo/bar/blub' + + If `sort` is set to `True` the items are sorted by `key` or the default + sorting algorithm: + + >>> href = Href("/", sort=True) + >>> href(a=1, b=2, c=3) + '/?a=1&b=2&c=3' + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :mod:`werkzeug.routing` + instead. + + .. versionadded:: 0.5 + `sort` and `key` were added. + """ + + def __init__( # type: ignore + self, base="./", charset="utf-8", sort=False, key=None + ): + warnings.warn( + "'Href' is deprecated and will be removed in Werkzeug 2.1." + " Use 'werkzeug.routing' instead.", + DeprecationWarning, + stacklevel=2, + ) + + if not base: + base = "./" + self.base = base + self.charset = charset + self.sort = sort + self.key = key + + def __getattr__(self, name): # type: ignore + if name[:2] == "__": + raise AttributeError(name) + base = self.base + if base[-1:] != "/": + base += "/" + return Href(url_join(base, name), self.charset, self.sort, self.key) + + def __call__(self, *path, **query): # type: ignore + if path and isinstance(path[-1], dict): + if query: + raise TypeError("keyword arguments and query-dicts can't be combined") + query, path = path[-1], path[:-1] + elif query: + query = {k[:-1] if k.endswith("_") else k: v for k, v in query.items()} + path = "/".join( + [ + _to_str(url_quote(x, self.charset), "ascii") + for x in path + if x is not None + ] + ).lstrip("/") + rv = self.base + if path: + if not rv.endswith("/"): + rv += "/" + rv = url_join(rv, f"./{path}") + if query: + rv += "?" + _to_str( + url_encode(query, self.charset, sort=self.sort, key=self.key), "ascii" + ) + return rv diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/user_agent.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/user_agent.py new file mode 100644 index 0000000..66ffcbe --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/user_agent.py @@ -0,0 +1,47 @@ +import typing as t + + +class UserAgent: + """Represents a parsed user agent header value. + + The default implementation does no parsing, only the :attr:`string` + attribute is set. A subclass may parse the string to set the + common attributes or expose other information. Set + :attr:`werkzeug.wrappers.Request.user_agent_class` to use a + subclass. + + :param string: The header value to parse. + + .. versionadded:: 2.0 + This replaces the previous ``useragents`` module, but does not + provide a built-in parser. + """ + + platform: t.Optional[str] = None + """The OS name, if it could be parsed from the string.""" + + browser: t.Optional[str] = None + """The browser name, if it could be parsed from the string.""" + + version: t.Optional[str] = None + """The browser version, if it could be parsed from the string.""" + + language: t.Optional[str] = None + """The browser language, if it could be parsed from the string.""" + + def __init__(self, string: str) -> None: + self.string: str = string + """The original header value.""" + + def __repr__(self) -> str: + return f"<{type(self).__name__} {self.browser}/{self.version}>" + + def __str__(self) -> str: + return self.string + + def __bool__(self) -> bool: + return bool(self.browser) + + def to_header(self) -> str: + """Convert to a header value.""" + return self.string diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/useragents.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/useragents.py new file mode 100644 index 0000000..4deed8f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/useragents.py @@ -0,0 +1,215 @@ +import re +import typing as t +import warnings + +from .user_agent import UserAgent as _BaseUserAgent + +if t.TYPE_CHECKING: + from _typeshed.wsgi import WSGIEnvironment + + +class _UserAgentParser: + platform_rules: t.ClassVar[t.Iterable[t.Tuple[str, str]]] = ( + (" cros ", "chromeos"), + ("iphone|ios", "iphone"), + ("ipad", "ipad"), + (r"darwin\b|mac\b|os\s*x", "macos"), + ("win", "windows"), + (r"android", "android"), + ("netbsd", "netbsd"), + ("openbsd", "openbsd"), + ("freebsd", "freebsd"), + ("dragonfly", "dragonflybsd"), + ("(sun|i86)os", "solaris"), + (r"x11\b|lin(\b|ux)?", "linux"), + (r"nintendo\s+wii", "wii"), + ("irix", "irix"), + ("hp-?ux", "hpux"), + ("aix", "aix"), + ("sco|unix_sv", "sco"), + ("bsd", "bsd"), + ("amiga", "amiga"), + ("blackberry|playbook", "blackberry"), + ("symbian", "symbian"), + ) + browser_rules: t.ClassVar[t.Iterable[t.Tuple[str, str]]] = ( + ("googlebot", "google"), + ("msnbot", "msn"), + ("yahoo", "yahoo"), + ("ask jeeves", "ask"), + (r"aol|america\s+online\s+browser", "aol"), + (r"opera|opr", "opera"), + ("edge|edg", "edge"), + ("chrome|crios", "chrome"), + ("seamonkey", "seamonkey"), + ("firefox|firebird|phoenix|iceweasel", "firefox"), + ("galeon", "galeon"), + ("safari|version", "safari"), + ("webkit", "webkit"), + ("camino", "camino"), + ("konqueror", "konqueror"), + ("k-meleon", "kmeleon"), + ("netscape", "netscape"), + (r"msie|microsoft\s+internet\s+explorer|trident/.+? rv:", "msie"), + ("lynx", "lynx"), + ("links", "links"), + ("Baiduspider", "baidu"), + ("bingbot", "bing"), + ("mozilla", "mozilla"), + ) + + _browser_version_re = r"(?:{pattern})[/\sa-z(]*(\d+[.\da-z]+)?" + _language_re = re.compile( + r"(?:;\s*|\s+)(\b\w{2}\b(?:-\b\w{2}\b)?)\s*;|" + r"(?:\(|\[|;)\s*(\b\w{2}\b(?:-\b\w{2}\b)?)\s*(?:\]|\)|;)" + ) + + def __init__(self) -> None: + self.platforms = [(b, re.compile(a, re.I)) for a, b in self.platform_rules] + self.browsers = [ + (b, re.compile(self._browser_version_re.format(pattern=a), re.I)) + for a, b in self.browser_rules + ] + + def __call__( + self, user_agent: str + ) -> t.Tuple[t.Optional[str], t.Optional[str], t.Optional[str], t.Optional[str]]: + platform: t.Optional[str] + browser: t.Optional[str] + version: t.Optional[str] + language: t.Optional[str] + + for platform, regex in self.platforms: # noqa: B007 + match = regex.search(user_agent) + if match is not None: + break + else: + platform = None + + # Except for Trident, all browser key words come after the last ')' + last_closing_paren = 0 + if ( + not re.compile(r"trident/.+? rv:", re.I).search(user_agent) + and ")" in user_agent + and user_agent[-1] != ")" + ): + last_closing_paren = user_agent.rindex(")") + + for browser, regex in self.browsers: # noqa: B007 + match = regex.search(user_agent[last_closing_paren:]) + if match is not None: + version = match.group(1) + break + else: + browser = version = None + match = self._language_re.search(user_agent) + if match is not None: + language = match.group(1) or match.group(2) + else: + language = None + return platform, browser, version, language + + +# It wasn't public, but users might have imported it anyway, show a +# warning if a user created an instance. +class UserAgentParser(_UserAgentParser): + """A simple user agent parser. Used by the `UserAgent`. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use a dedicated parser library + instead. + """ + + def __init__(self) -> None: + warnings.warn( + "'UserAgentParser' is deprecated and will be removed in" + " Werkzeug 2.1. Use a dedicated parser library instead.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__() + + +class _deprecated_property(property): + def __init__(self, fget: t.Callable[["_UserAgent"], t.Any]) -> None: + super().__init__(fget) + self.message = ( + "The built-in user agent parser is deprecated and will be" + f" removed in Werkzeug 2.1. The {fget.__name__!r} property" + " will be 'None'. Subclass 'werkzeug.user_agent.UserAgent'" + " and set 'Request.user_agent_class' to use a different" + " parser." + ) + + def __get__(self, *args: t.Any, **kwargs: t.Any) -> t.Any: + warnings.warn(self.message, DeprecationWarning, stacklevel=3) + return super().__get__(*args, **kwargs) + + +# This is what Request.user_agent returns for now, only show warnings on +# attribute access, not creation. +class _UserAgent(_BaseUserAgent): + _parser = _UserAgentParser() + + def __init__(self, string: str) -> None: + super().__init__(string) + info = self._parser(string) + self._platform, self._browser, self._version, self._language = info + + @_deprecated_property + def platform(self) -> t.Optional[str]: # type: ignore + return self._platform + + @_deprecated_property + def browser(self) -> t.Optional[str]: # type: ignore + return self._browser + + @_deprecated_property + def version(self) -> t.Optional[str]: # type: ignore + return self._version + + @_deprecated_property + def language(self) -> t.Optional[str]: # type: ignore + return self._language + + +# This is what users might be importing, show warnings on create. +class UserAgent(_UserAgent): + """Represents a parsed user agent header value. + + This uses a basic parser to try to extract some information from the + header. + + :param environ_or_string: The header value to parse, or a WSGI + environ containing the header. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Subclass + :class:`werkzeug.user_agent.UserAgent` (note the new module + name) to use a dedicated parser instead. + + .. versionchanged:: 2.0 + Passing a WSGI environ is deprecated and will be removed in 2.1. + """ + + def __init__(self, environ_or_string: "t.Union[str, WSGIEnvironment]") -> None: + if isinstance(environ_or_string, dict): + warnings.warn( + "Passing an environ to 'UserAgent' is deprecated and" + " will be removed in Werkzeug 2.1. Pass the header" + " value string instead.", + DeprecationWarning, + stacklevel=2, + ) + string = environ_or_string.get("HTTP_USER_AGENT", "") + else: + string = environ_or_string + + warnings.warn( + "The 'werkzeug.useragents' module is deprecated and will be" + " removed in Werkzeug 2.1. The new base API is" + " 'werkzeug.user_agent.UserAgent'.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(string) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/utils.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/utils.py new file mode 100644 index 0000000..7bb02bb --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/utils.py @@ -0,0 +1,1091 @@ +import codecs +import io +import mimetypes +import os +import pkgutil +import re +import sys +import typing as t +import unicodedata +import warnings +from datetime import datetime +from html.entities import name2codepoint +from time import time +from zlib import adler32 + +from ._internal import _DictAccessorProperty +from ._internal import _missing +from ._internal import _parse_signature +from ._internal import _TAccessorValue +from .datastructures import Headers +from .exceptions import NotFound +from .exceptions import RequestedRangeNotSatisfiable +from .security import safe_join +from .urls import url_quote +from .wsgi import wrap_file + +if t.TYPE_CHECKING: + from _typeshed.wsgi import WSGIEnvironment + from .wrappers.request import Request + from .wrappers.response import Response + +_T = t.TypeVar("_T") + +_entity_re = re.compile(r"&([^;]+);") +_filename_ascii_strip_re = re.compile(r"[^A-Za-z0-9_.-]") +_windows_device_files = ( + "CON", + "AUX", + "COM1", + "COM2", + "COM3", + "COM4", + "LPT1", + "LPT2", + "LPT3", + "PRN", + "NUL", +) + + +class cached_property(property, t.Generic[_T]): + """A :func:`property` that is only evaluated once. Subsequent access + returns the cached value. Setting the property sets the cached + value. Deleting the property clears the cached value, accessing it + again will evaluate it again. + + .. code-block:: python + + class Example: + @cached_property + def value(self): + # calculate something important here + return 42 + + e = Example() + e.value # evaluates + e.value # uses cache + e.value = 16 # sets cache + del e.value # clears cache + + The class must have a ``__dict__`` for this to work. + + .. versionchanged:: 2.0 + ``del obj.name`` clears the cached value. + """ + + def __init__( + self, + fget: t.Callable[[t.Any], _T], + name: t.Optional[str] = None, + doc: t.Optional[str] = None, + ) -> None: + super().__init__(fget, doc=doc) + self.__name__ = name or fget.__name__ + self.__module__ = fget.__module__ + + def __set__(self, obj: object, value: _T) -> None: + obj.__dict__[self.__name__] = value + + def __get__(self, obj: object, type: type = None) -> _T: # type: ignore + if obj is None: + return self # type: ignore + + value: _T = obj.__dict__.get(self.__name__, _missing) + + if value is _missing: + value = self.fget(obj) # type: ignore + obj.__dict__[self.__name__] = value + + return value + + def __delete__(self, obj: object) -> None: + del obj.__dict__[self.__name__] + + +def invalidate_cached_property(obj: object, name: str) -> None: + """Invalidates the cache for a :class:`cached_property`: + + >>> class Test(object): + ... @cached_property + ... def magic_number(self): + ... print("recalculating...") + ... return 42 + ... + >>> var = Test() + >>> var.magic_number + recalculating... + 42 + >>> var.magic_number + 42 + >>> invalidate_cached_property(var, "magic_number") + >>> var.magic_number + recalculating... + 42 + + You must pass the name of the cached property as the second argument. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use ``del obj.name`` instead. + """ + warnings.warn( + "'invalidate_cached_property' is deprecated and will be removed" + " in Werkzeug 2.1. Use 'del obj.name' instead.", + DeprecationWarning, + stacklevel=2, + ) + delattr(obj, name) + + +class environ_property(_DictAccessorProperty[_TAccessorValue]): + """Maps request attributes to environment variables. This works not only + for the Werkzeug request object, but also any other class with an + environ attribute: + + >>> class Test(object): + ... environ = {'key': 'value'} + ... test = environ_property('key') + >>> var = Test() + >>> var.test + 'value' + + If you pass it a second value it's used as default if the key does not + exist, the third one can be a converter that takes a value and converts + it. If it raises :exc:`ValueError` or :exc:`TypeError` the default value + is used. If no default value is provided `None` is used. + + Per default the property is read only. You have to explicitly enable it + by passing ``read_only=False`` to the constructor. + """ + + read_only = True + + def lookup(self, obj: "Request") -> "WSGIEnvironment": + return obj.environ + + +class header_property(_DictAccessorProperty[_TAccessorValue]): + """Like `environ_property` but for headers.""" + + def lookup(self, obj: t.Union["Request", "Response"]) -> Headers: + return obj.headers + + +class HTMLBuilder: + """Helper object for HTML generation. + + Per default there are two instances of that class. The `html` one, and + the `xhtml` one for those two dialects. The class uses keyword parameters + and positional parameters to generate small snippets of HTML. + + Keyword parameters are converted to XML/SGML attributes, positional + arguments are used as children. Because Python accepts positional + arguments before keyword arguments it's a good idea to use a list with the + star-syntax for some children: + + >>> html.p(class_='foo', *[html.a('foo', href='foo.html'), ' ', + ... html.a('bar', href='bar.html')]) + '

    foo bar

    ' + + This class works around some browser limitations and can not be used for + arbitrary SGML/XML generation. For that purpose lxml and similar + libraries exist. + + Calling the builder escapes the string passed: + + >>> html.p(html("")) + '

    <foo>

    ' + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. + """ + + _entity_re = re.compile(r"&([^;]+);") + _entities = name2codepoint.copy() + _entities["apos"] = 39 + _empty_elements = { + "area", + "base", + "basefont", + "br", + "col", + "command", + "embed", + "frame", + "hr", + "img", + "input", + "keygen", + "isindex", + "link", + "meta", + "param", + "source", + "wbr", + } + _boolean_attributes = { + "selected", + "checked", + "compact", + "declare", + "defer", + "disabled", + "ismap", + "multiple", + "nohref", + "noresize", + "noshade", + "nowrap", + } + _plaintext_elements = {"textarea"} + _c_like_cdata = {"script", "style"} + + def __init__(self, dialect): # type: ignore + self._dialect = dialect + + def __call__(self, s): # type: ignore + import html + + warnings.warn( + "'utils.HTMLBuilder' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + return html.escape(s) + + def __getattr__(self, tag): # type: ignore + import html + + warnings.warn( + "'utils.HTMLBuilder' is deprecated and will be removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + if tag[:2] == "__": + raise AttributeError(tag) + + def proxy(*children, **arguments): # type: ignore + buffer = f"<{tag}" + for key, value in arguments.items(): + if value is None: + continue + if key[-1] == "_": + key = key[:-1] + if key in self._boolean_attributes: + if not value: + continue + if self._dialect == "xhtml": + value = f'="{key}"' + else: + value = "" + else: + value = f'="{html.escape(value)}"' + buffer += f" {key}{value}" + if not children and tag in self._empty_elements: + if self._dialect == "xhtml": + buffer += " />" + else: + buffer += ">" + return buffer + buffer += ">" + + children_as_string = "".join([str(x) for x in children if x is not None]) + + if children_as_string: + if tag in self._plaintext_elements: + children_as_string = html.escape(children_as_string) + elif tag in self._c_like_cdata and self._dialect == "xhtml": + children_as_string = f"/**/" + buffer += children_as_string + f"" + return buffer + + return proxy + + def __repr__(self) -> str: + return f"<{type(self).__name__} for {self._dialect!r}>" + + +html = HTMLBuilder("html") +xhtml = HTMLBuilder("xhtml") + +# https://cgit.freedesktop.org/xdg/shared-mime-info/tree/freedesktop.org.xml.in +# https://www.iana.org/assignments/media-types/media-types.xhtml +# Types listed in the XDG mime info that have a charset in the IANA registration. +_charset_mimetypes = { + "application/ecmascript", + "application/javascript", + "application/sql", + "application/xml", + "application/xml-dtd", + "application/xml-external-parsed-entity", +} + + +def get_content_type(mimetype: str, charset: str) -> str: + """Returns the full content type string with charset for a mimetype. + + If the mimetype represents text, the charset parameter will be + appended, otherwise the mimetype is returned unchanged. + + :param mimetype: The mimetype to be used as content type. + :param charset: The charset to be appended for text mimetypes. + :return: The content type. + + .. versionchanged:: 0.15 + Any type that ends with ``+xml`` gets a charset, not just those + that start with ``application/``. Known text types such as + ``application/javascript`` are also given charsets. + """ + if ( + mimetype.startswith("text/") + or mimetype in _charset_mimetypes + or mimetype.endswith("+xml") + ): + mimetype += f"; charset={charset}" + + return mimetype + + +def detect_utf_encoding(data: bytes) -> str: + """Detect which UTF encoding was used to encode the given bytes. + + The latest JSON standard (:rfc:`8259`) suggests that only UTF-8 is + accepted. Older documents allowed 8, 16, or 32. 16 and 32 can be big + or little endian. Some editors or libraries may prepend a BOM. + + :internal: + + :param data: Bytes in unknown UTF encoding. + :return: UTF encoding name + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. This is built in to + :func:`json.loads`. + + .. versionadded:: 0.15 + """ + warnings.warn( + "'detect_utf_encoding' is deprecated and will be removed in" + " Werkzeug 2.1. This is built in to 'json.loads'.", + DeprecationWarning, + stacklevel=2, + ) + head = data[:4] + + if head[:3] == codecs.BOM_UTF8: + return "utf-8-sig" + + if b"\x00" not in head: + return "utf-8" + + if head in (codecs.BOM_UTF32_BE, codecs.BOM_UTF32_LE): + return "utf-32" + + if head[:2] in (codecs.BOM_UTF16_BE, codecs.BOM_UTF16_LE): + return "utf-16" + + if len(head) == 4: + if head[:3] == b"\x00\x00\x00": + return "utf-32-be" + + if head[::2] == b"\x00\x00": + return "utf-16-be" + + if head[1:] == b"\x00\x00\x00": + return "utf-32-le" + + if head[1::2] == b"\x00\x00": + return "utf-16-le" + + if len(head) == 2: + return "utf-16-be" if head.startswith(b"\x00") else "utf-16-le" + + return "utf-8" + + +def format_string(string: str, context: t.Mapping[str, t.Any]) -> str: + """String-template format a string: + + >>> format_string('$foo and ${foo}s', dict(foo=42)) + '42 and 42s' + + This does not do any attribute lookup. + + :param string: the format string. + :param context: a dict with the variables to insert. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :class:`string.Template` + instead. + """ + from string import Template + + warnings.warn( + "'utils.format_string' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'string.Template' instead.", + DeprecationWarning, + stacklevel=2, + ) + return Template(string).substitute(context) + + +def secure_filename(filename: str) -> str: + r"""Pass it a filename and it will return a secure version of it. This + filename can then safely be stored on a regular file system and passed + to :func:`os.path.join`. The filename returned is an ASCII only string + for maximum portability. + + On windows systems the function also makes sure that the file is not + named after one of the special device files. + + >>> secure_filename("My cool movie.mov") + 'My_cool_movie.mov' + >>> secure_filename("../../../etc/passwd") + 'etc_passwd' + >>> secure_filename('i contain cool \xfcml\xe4uts.txt') + 'i_contain_cool_umlauts.txt' + + The function might return an empty filename. It's your responsibility + to ensure that the filename is unique and that you abort or + generate a random filename if the function returned an empty one. + + .. versionadded:: 0.5 + + :param filename: the filename to secure + """ + filename = unicodedata.normalize("NFKD", filename) + filename = filename.encode("ascii", "ignore").decode("ascii") + + for sep in os.path.sep, os.path.altsep: + if sep: + filename = filename.replace(sep, " ") + filename = str(_filename_ascii_strip_re.sub("", "_".join(filename.split()))).strip( + "._" + ) + + # on nt a couple of special files are present in each folder. We + # have to ensure that the target file is not such a filename. In + # this case we prepend an underline + if ( + os.name == "nt" + and filename + and filename.split(".")[0].upper() in _windows_device_files + ): + filename = f"_{filename}" + + return filename + + +def escape(s: t.Any) -> str: + """Replace ``&``, ``<``, ``>``, ``"``, and ``'`` with HTML-safe + sequences. + + ``None`` is escaped to an empty string. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use MarkupSafe instead. + """ + import html + + warnings.warn( + "'utils.escape' is deprecated and will be removed in Werkzeug" + " 2.1. Use MarkupSafe instead.", + DeprecationWarning, + stacklevel=2, + ) + + if s is None: + return "" + + if hasattr(s, "__html__"): + return s.__html__() # type: ignore + + if not isinstance(s, str): + s = str(s) + + return html.escape(s, quote=True) # type: ignore + + +def unescape(s: str) -> str: + """The reverse of :func:`escape`. This unescapes all the HTML + entities, not only those inserted by ``escape``. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use MarkupSafe instead. + """ + import html + + warnings.warn( + "'utils.unescape' is deprecated and will be removed in Werkzueg" + " 2.1. Use MarkupSafe instead.", + DeprecationWarning, + stacklevel=2, + ) + return html.unescape(s) + + +def redirect( + location: str, code: int = 302, Response: t.Optional[t.Type["Response"]] = None +) -> "Response": + """Returns a response object (a WSGI application) that, if called, + redirects the client to the target location. Supported codes are + 301, 302, 303, 305, 307, and 308. 300 is not supported because + it's not a real redirect and 304 because it's the answer for a + request with a request with defined If-Modified-Since headers. + + .. versionadded:: 0.6 + The location can now be a unicode string that is encoded using + the :func:`iri_to_uri` function. + + .. versionadded:: 0.10 + The class used for the Response object can now be passed in. + + :param location: the location the response should redirect to. + :param code: the redirect status code. defaults to 302. + :param class Response: a Response class to use when instantiating a + response. The default is :class:`werkzeug.wrappers.Response` if + unspecified. + """ + import html + + if Response is None: + from .wrappers import Response # type: ignore + + display_location = html.escape(location) + if isinstance(location, str): + # Safe conversion is necessary here as we might redirect + # to a broken URI scheme (for instance itms-services). + from .urls import iri_to_uri + + location = iri_to_uri(location, safe_conversion=True) + response = Response( # type: ignore + '\n' + "Redirecting...\n" + "

    Redirecting...

    \n" + "

    You should be redirected automatically to target URL: " + f'{display_location}. If' + " not click the link.", + code, + mimetype="text/html", + ) + response.headers["Location"] = location + return response + + +def append_slash_redirect(environ: "WSGIEnvironment", code: int = 301) -> "Response": + """Redirects to the same URL but with a slash appended. The behavior + of this function is undefined if the path ends with a slash already. + + :param environ: the WSGI environment for the request that triggers + the redirect. + :param code: the status code for the redirect. + """ + new_path = environ["PATH_INFO"].strip("/") + "/" + query_string = environ.get("QUERY_STRING") + if query_string: + new_path += f"?{query_string}" + return redirect(new_path, code) + + +def send_file( + path_or_file: t.Union[os.PathLike, str, t.BinaryIO], + environ: "WSGIEnvironment", + mimetype: t.Optional[str] = None, + as_attachment: bool = False, + download_name: t.Optional[str] = None, + conditional: bool = True, + etag: t.Union[bool, str] = True, + last_modified: t.Optional[t.Union[datetime, int, float]] = None, + max_age: t.Optional[ + t.Union[int, t.Callable[[t.Optional[str]], t.Optional[int]]] + ] = None, + use_x_sendfile: bool = False, + response_class: t.Optional[t.Type["Response"]] = None, + _root_path: t.Optional[t.Union[os.PathLike, str]] = None, +) -> "Response": + """Send the contents of a file to the client. + + The first argument can be a file path or a file-like object. Paths + are preferred in most cases because Werkzeug can manage the file and + get extra information from the path. Passing a file-like object + requires that the file is opened in binary mode, and is mostly + useful when building a file in memory with :class:`io.BytesIO`. + + Never pass file paths provided by a user. The path is assumed to be + trusted, so a user could craft a path to access a file you didn't + intend. + + If the WSGI server sets a ``file_wrapper`` in ``environ``, it is + used, otherwise Werkzeug's built-in wrapper is used. Alternatively, + if the HTTP server supports ``X-Sendfile``, ``use_x_sendfile=True`` + will tell the server to send the given path, which is much more + efficient than reading it in Python. + + :param path_or_file: The path to the file to send, relative to the + current working directory if a relative path is given. + Alternatively, a file-like object opened in binary mode. Make + sure the file pointer is seeked to the start of the data. + :param environ: The WSGI environ for the current request. + :param mimetype: The MIME type to send for the file. If not + provided, it will try to detect it from the file name. + :param as_attachment: Indicate to a browser that it should offer to + save the file instead of displaying it. + :param download_name: The default name browsers will use when saving + the file. Defaults to the passed file name. + :param conditional: Enable conditional and range responses based on + request headers. Requires passing a file path and ``environ``. + :param etag: Calculate an ETag for the file, which requires passing + a file path. Can also be a string to use instead. + :param last_modified: The last modified time to send for the file, + in seconds. If not provided, it will try to detect it from the + file path. + :param max_age: How long the client should cache the file, in + seconds. If set, ``Cache-Control`` will be ``public``, otherwise + it will be ``no-cache`` to prefer conditional caching. + :param use_x_sendfile: Set the ``X-Sendfile`` header to let the + server to efficiently send the file. Requires support from the + HTTP server. Requires passing a file path. + :param response_class: Build the response using this class. Defaults + to :class:`~werkzeug.wrappers.Response`. + :param _root_path: Do not use. For internal use only. Use + :func:`send_from_directory` to safely send files under a path. + + .. versionadded:: 2.0 + Adapted from Flask's implementation. + + .. versionchanged:: 2.0 + ``download_name`` replaces Flask's ``attachment_filename`` + parameter. If ``as_attachment=False``, it is passed with + ``Content-Disposition: inline`` instead. + + .. versionchanged:: 2.0 + ``max_age`` replaces Flask's ``cache_timeout`` parameter. + ``conditional`` is enabled and ``max_age`` is not set by + default. + + .. versionchanged:: 2.0 + ``etag`` replaces Flask's ``add_etags`` parameter. It can be a + string to use instead of generating one. + + .. versionchanged:: 2.0 + If an encoding is returned when guessing ``mimetype`` from + ``download_name``, set the ``Content-Encoding`` header. + """ + if response_class is None: + from .wrappers import Response + + response_class = Response + + path: t.Optional[str] = None + file: t.Optional[t.BinaryIO] = None + size: t.Optional[int] = None + mtime: t.Optional[float] = None + headers = Headers() + + if isinstance(path_or_file, (os.PathLike, str)) or hasattr( + path_or_file, "__fspath__" + ): + path_or_file = t.cast(t.Union[os.PathLike, str], path_or_file) + + # Flask will pass app.root_path, allowing its send_file wrapper + # to not have to deal with paths. + if _root_path is not None: + path = os.path.join(_root_path, path_or_file) + else: + path = os.path.abspath(path_or_file) + + stat = os.stat(path) + size = stat.st_size + mtime = stat.st_mtime + else: + file = path_or_file + + if download_name is None and path is not None: + download_name = os.path.basename(path) + + if mimetype is None: + if download_name is None: + raise TypeError( + "Unable to detect the MIME type because a file name is" + " not available. Either set 'download_name', pass a" + " path instead of a file, or set 'mimetype'." + ) + + mimetype, encoding = mimetypes.guess_type(download_name) + + if mimetype is None: + mimetype = "application/octet-stream" + + if encoding is not None: + headers.set("Content-Encoding", encoding) + + if download_name is not None: + try: + download_name.encode("ascii") + except UnicodeEncodeError: + simple = unicodedata.normalize("NFKD", download_name) + simple = simple.encode("ascii", "ignore").decode("ascii") + quoted = url_quote(download_name, safe="") + names = {"filename": simple, "filename*": f"UTF-8''{quoted}"} + else: + names = {"filename": download_name} + + value = "attachment" if as_attachment else "inline" + headers.set("Content-Disposition", value, **names) + elif as_attachment: + raise TypeError( + "No name provided for attachment. Either set" + " 'download_name' or pass a path instead of a file." + ) + + if use_x_sendfile and path is not None: + headers["X-Sendfile"] = path + data = None + else: + if file is None: + file = open(path, "rb") # type: ignore + elif isinstance(file, io.BytesIO): + size = file.getbuffer().nbytes + elif isinstance(file, io.TextIOBase): + raise ValueError("Files must be opened in binary mode or use BytesIO.") + + data = wrap_file(environ, file) + + rv = response_class( + data, mimetype=mimetype, headers=headers, direct_passthrough=True + ) + + if size is not None: + rv.content_length = size + + if last_modified is not None: + rv.last_modified = last_modified # type: ignore + elif mtime is not None: + rv.last_modified = mtime # type: ignore + + rv.cache_control.no_cache = True + + # Flask will pass app.get_send_file_max_age, allowing its send_file + # wrapper to not have to deal with paths. + if callable(max_age): + max_age = max_age(path) + + if max_age is not None: + if max_age > 0: + rv.cache_control.no_cache = None + rv.cache_control.public = True + + rv.cache_control.max_age = max_age + rv.expires = int(time() + max_age) # type: ignore + + if isinstance(etag, str): + rv.set_etag(etag) + elif etag and path is not None: + check = adler32(path.encode("utf-8")) & 0xFFFFFFFF + rv.set_etag(f"{mtime}-{size}-{check}") + + if conditional: + try: + rv = rv.make_conditional(environ, accept_ranges=True, complete_length=size) + except RequestedRangeNotSatisfiable: + if file is not None: + file.close() + + raise + + # Some x-sendfile implementations incorrectly ignore the 304 + # status code and send the file anyway. + if rv.status_code == 304: + rv.headers.pop("x-sendfile", None) + + return rv + + +def send_from_directory( + directory: t.Union[os.PathLike, str], + path: t.Union[os.PathLike, str], + environ: "WSGIEnvironment", + **kwargs: t.Any, +) -> "Response": + """Send a file from within a directory using :func:`send_file`. + + This is a secure way to serve files from a folder, such as static + files or uploads. Uses :func:`~werkzeug.security.safe_join` to + ensure the path coming from the client is not maliciously crafted to + point outside the specified directory. + + If the final path does not point to an existing regular file, + returns a 404 :exc:`~werkzeug.exceptions.NotFound` error. + + :param directory: The directory that ``path`` must be located under. + :param path: The path to the file to send, relative to + ``directory``. + :param environ: The WSGI environ for the current request. + :param kwargs: Arguments to pass to :func:`send_file`. + + .. versionadded:: 2.0 + Adapted from Flask's implementation. + """ + path = safe_join(os.fspath(directory), os.fspath(path)) + + if path is None: + raise NotFound() + + # Flask will pass app.root_path, allowing its send_from_directory + # wrapper to not have to deal with paths. + if "_root_path" in kwargs: + path = os.path.join(kwargs["_root_path"], path) + + try: + if not os.path.isfile(path): + raise NotFound() + except ValueError: + # path contains null byte on Python < 3.8 + raise NotFound() + + return send_file(path, environ, **kwargs) + + +def import_string(import_name: str, silent: bool = False) -> t.Any: + """Imports an object based on a string. This is useful if you want to + use import paths as endpoints or something similar. An import path can + be specified either in dotted notation (``xml.sax.saxutils.escape``) + or with a colon as object delimiter (``xml.sax.saxutils:escape``). + + If `silent` is True the return value will be `None` if the import fails. + + :param import_name: the dotted name for the object to import. + :param silent: if set to `True` import errors are ignored and + `None` is returned instead. + :return: imported object + """ + import_name = import_name.replace(":", ".") + try: + try: + __import__(import_name) + except ImportError: + if "." not in import_name: + raise + else: + return sys.modules[import_name] + + module_name, obj_name = import_name.rsplit(".", 1) + module = __import__(module_name, globals(), locals(), [obj_name]) + try: + return getattr(module, obj_name) + except AttributeError as e: + raise ImportError(e) + + except ImportError as e: + if not silent: + raise ImportStringError(import_name, e).with_traceback(sys.exc_info()[2]) + + return None + + +def find_modules( + import_path: str, include_packages: bool = False, recursive: bool = False +) -> t.Iterator[str]: + """Finds all the modules below a package. This can be useful to + automatically import all views / controllers so that their metaclasses / + function decorators have a chance to register themselves on the + application. + + Packages are not returned unless `include_packages` is `True`. This can + also recursively list modules but in that case it will import all the + packages to get the correct load path of that module. + + :param import_path: the dotted name for the package to find child modules. + :param include_packages: set to `True` if packages should be returned, too. + :param recursive: set to `True` if recursion should happen. + :return: generator + """ + module = import_string(import_path) + path = getattr(module, "__path__", None) + if path is None: + raise ValueError(f"{import_path!r} is not a package") + basename = f"{module.__name__}." + for _importer, modname, ispkg in pkgutil.iter_modules(path): + modname = basename + modname + if ispkg: + if include_packages: + yield modname + if recursive: + yield from find_modules(modname, include_packages, True) + else: + yield modname + + +def validate_arguments(func, args, kwargs, drop_extra=True): # type: ignore + """Checks if the function accepts the arguments and keyword arguments. + Returns a new ``(args, kwargs)`` tuple that can safely be passed to + the function without causing a `TypeError` because the function signature + is incompatible. If `drop_extra` is set to `True` (which is the default) + any extra positional or keyword arguments are dropped automatically. + + The exception raised provides three attributes: + + `missing` + A set of argument names that the function expected but where + missing. + + `extra` + A dict of keyword arguments that the function can not handle but + where provided. + + `extra_positional` + A list of values that where given by positional argument but the + function cannot accept. + + This can be useful for decorators that forward user submitted data to + a view function:: + + from werkzeug.utils import ArgumentValidationError, validate_arguments + + def sanitize(f): + def proxy(request): + data = request.values.to_dict() + try: + args, kwargs = validate_arguments(f, (request,), data) + except ArgumentValidationError: + raise BadRequest('The browser failed to transmit all ' + 'the data expected.') + return f(*args, **kwargs) + return proxy + + :param func: the function the validation is performed against. + :param args: a tuple of positional arguments. + :param kwargs: a dict of keyword arguments. + :param drop_extra: set to `False` if you don't want extra arguments + to be silently dropped. + :return: tuple in the form ``(args, kwargs)``. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :func:`inspect.signature` + instead. + """ + warnings.warn( + "'utils.validate_arguments' is deprecated and will be removed" + " in Werkzeug 2.1. Use 'inspect.signature' instead.", + DeprecationWarning, + stacklevel=2, + ) + parser = _parse_signature(func) + args, kwargs, missing, extra, extra_positional = parser(args, kwargs)[:5] + if missing: + raise ArgumentValidationError(tuple(missing)) + elif (extra or extra_positional) and not drop_extra: + raise ArgumentValidationError(None, extra, extra_positional) + return tuple(args), kwargs + + +def bind_arguments(func, args, kwargs): # type: ignore + """Bind the arguments provided into a dict. When passed a function, + a tuple of arguments and a dict of keyword arguments `bind_arguments` + returns a dict of names as the function would see it. This can be useful + to implement a cache decorator that uses the function arguments to build + the cache key based on the values of the arguments. + + :param func: the function the arguments should be bound for. + :param args: tuple of positional arguments. + :param kwargs: a dict of keyword arguments. + :return: a :class:`dict` of bound keyword arguments. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Use :meth:`Signature.bind` + instead. + """ + warnings.warn( + "'utils.bind_arguments' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'Signature.bind' instead.", + DeprecationWarning, + stacklevel=2, + ) + ( + args, + kwargs, + missing, + extra, + extra_positional, + arg_spec, + vararg_var, + kwarg_var, + ) = _parse_signature(func)(args, kwargs) + values = {} + for (name, _has_default, _default), value in zip(arg_spec, args): + values[name] = value + if vararg_var is not None: + values[vararg_var] = tuple(extra_positional) + elif extra_positional: + raise TypeError("too many positional arguments") + if kwarg_var is not None: + multikw = set(extra) & {x[0] for x in arg_spec} + if multikw: + raise TypeError( + f"got multiple values for keyword argument {next(iter(multikw))!r}" + ) + values[kwarg_var] = extra + elif extra: + raise TypeError(f"got unexpected keyword argument {next(iter(extra))!r}") + return values + + +class ArgumentValidationError(ValueError): + """Raised if :func:`validate_arguments` fails to validate + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1 along with ``utils.bind`` and + ``validate_arguments``. + """ + + def __init__(self, missing=None, extra=None, extra_positional=None): # type: ignore + self.missing = set(missing or ()) + self.extra = extra or {} + self.extra_positional = extra_positional or [] + super().__init__( + "function arguments invalid." + f" ({len(self.missing)} missing," + f" {len(self.extra) + len(self.extra_positional)} additional)" + ) + + +class ImportStringError(ImportError): + """Provides information about a failed :func:`import_string` attempt.""" + + #: String in dotted notation that failed to be imported. + import_name: str + #: Wrapped exception. + exception: BaseException + + def __init__(self, import_name: str, exception: BaseException) -> None: + self.import_name = import_name + self.exception = exception + msg = import_name + name = "" + tracked = [] + for part in import_name.replace(":", ".").split("."): + name = f"{name}.{part}" if name else part + imported = import_string(name, silent=True) + if imported: + tracked.append((name, getattr(imported, "__file__", None))) + else: + track = [f"- {n!r} found in {i!r}." for n, i in tracked] + track.append(f"- {name!r} not found.") + track_str = "\n".join(track) + msg = ( + f"import_string() failed for {import_name!r}. Possible reasons" + f" are:\n\n" + "- missing __init__.py in a package;\n" + "- package or module path not included in sys.path;\n" + "- duplicated package or module name taking precedence in" + " sys.path;\n" + "- missing module, class, function or variable;\n\n" + f"Debugged import:\n\n{track_str}\n\n" + f"Original exception:\n\n{type(exception).__name__}: {exception}" + ) + break + + super().__init__(msg) + + def __repr__(self) -> str: + return f"<{type(self).__name__}({self.import_name!r}, {self.exception!r})>" diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/__init__.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/__init__.py new file mode 100644 index 0000000..eb69a99 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/__init__.py @@ -0,0 +1,16 @@ +from .accept import AcceptMixin +from .auth import AuthorizationMixin +from .auth import WWWAuthenticateMixin +from .base_request import BaseRequest +from .base_response import BaseResponse +from .common_descriptors import CommonRequestDescriptorsMixin +from .common_descriptors import CommonResponseDescriptorsMixin +from .etag import ETagRequestMixin +from .etag import ETagResponseMixin +from .request import PlainRequest +from .request import Request as Request +from .request import StreamOnlyMixin +from .response import Response as Response +from .response import ResponseStream +from .response import ResponseStreamMixin +from .user_agent import UserAgentMixin diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/accept.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/accept.py new file mode 100644 index 0000000..9605e63 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/accept.py @@ -0,0 +1,14 @@ +import typing as t +import warnings + + +class AcceptMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'AcceptMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/auth.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/auth.py new file mode 100644 index 0000000..da31b7c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/auth.py @@ -0,0 +1,26 @@ +import typing as t +import warnings + + +class AuthorizationMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'AuthorizationMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore + + +class WWWAuthenticateMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'WWWAuthenticateMixin' is deprecated and will be removed" + " in Werkzeug 2.1. 'Response' now includes the" + " functionality directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_request.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_request.py new file mode 100644 index 0000000..451989f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_request.py @@ -0,0 +1,36 @@ +import typing as t +import warnings + +from .request import Request + + +class _FakeSubclassCheck(type): + def __subclasscheck__(cls, subclass: t.Type) -> bool: + warnings.warn( + "'BaseRequest' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'issubclass(cls, Request)' instead.", + DeprecationWarning, + stacklevel=2, + ) + return issubclass(subclass, Request) + + def __instancecheck__(cls, instance: t.Any) -> bool: + warnings.warn( + "'BaseRequest' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'isinstance(obj, Request)' instead.", + DeprecationWarning, + stacklevel=2, + ) + return isinstance(instance, Request) + + +class BaseRequest(Request, metaclass=_FakeSubclassCheck): + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'BaseRequest' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_response.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_response.py new file mode 100644 index 0000000..3e0dc67 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/base_response.py @@ -0,0 +1,36 @@ +import typing as t +import warnings + +from .response import Response + + +class _FakeSubclassCheck(type): + def __subclasscheck__(cls, subclass: t.Type) -> bool: + warnings.warn( + "'BaseResponse' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'issubclass(cls, Response)' instead.", + DeprecationWarning, + stacklevel=2, + ) + return issubclass(subclass, Response) + + def __instancecheck__(cls, instance: t.Any) -> bool: + warnings.warn( + "'BaseResponse' is deprecated and will be removed in" + " Werkzeug 2.1. Use 'isinstance(obj, Response)' instead.", + DeprecationWarning, + stacklevel=2, + ) + return isinstance(instance, Response) + + +class BaseResponse(Response, metaclass=_FakeSubclassCheck): + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'BaseResponse' is deprecated and will be removed in" + " Werkzeug 2.1. 'Response' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/common_descriptors.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/common_descriptors.py new file mode 100644 index 0000000..db87ea5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/common_descriptors.py @@ -0,0 +1,26 @@ +import typing as t +import warnings + + +class CommonRequestDescriptorsMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'CommonRequestDescriptorsMixin' is deprecated and will be" + " removed in Werkzeug 2.1. 'Request' now includes the" + " functionality directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore + + +class CommonResponseDescriptorsMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'CommonResponseDescriptorsMixin' is deprecated and will be" + " removed in Werkzeug 2.1. 'Response' now includes the" + " functionality directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/cors.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/cors.py new file mode 100644 index 0000000..89cf83e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/cors.py @@ -0,0 +1,26 @@ +import typing as t +import warnings + + +class CORSRequestMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'CORSRequestMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore + + +class CORSResponseMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'CORSResponseMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Response' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/etag.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/etag.py new file mode 100644 index 0000000..2e9015a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/etag.py @@ -0,0 +1,26 @@ +import typing as t +import warnings + + +class ETagRequestMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'ETagRequestMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore + + +class ETagResponseMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'ETagResponseMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Response' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/json.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/json.py new file mode 100644 index 0000000..ab6ed7b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/json.py @@ -0,0 +1,13 @@ +import typing as t +import warnings + + +class JSONMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'JSONMixin' is deprecated and will be removed in Werkzeug" + " 2.1. 'Request' now includes the functionality directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/request.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/request.py new file mode 100644 index 0000000..60c3b5f --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/request.py @@ -0,0 +1,660 @@ +import functools +import json +import typing +import typing as t +import warnings +from io import BytesIO + +from .._internal import _wsgi_decoding_dance +from ..datastructures import CombinedMultiDict +from ..datastructures import EnvironHeaders +from ..datastructures import FileStorage +from ..datastructures import ImmutableMultiDict +from ..datastructures import iter_multi_items +from ..datastructures import MultiDict +from ..formparser import default_stream_factory +from ..formparser import FormDataParser +from ..sansio.request import Request as _SansIORequest +from ..utils import cached_property +from ..utils import environ_property +from ..wsgi import _get_server +from ..wsgi import get_input_stream +from werkzeug.exceptions import BadRequest + +if t.TYPE_CHECKING: + import typing_extensions as te + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +class Request(_SansIORequest): + """Represents an incoming WSGI HTTP request, with headers and body + taken from the WSGI environment. Has properties and methods for + using the functionality defined by various HTTP specs. The data in + requests object is read-only. + + Text data is assumed to use UTF-8 encoding, which should be true for + the vast majority of modern clients. Using an encoding set by the + client is unsafe in Python due to extra encodings it provides, such + as ``zip``. To change the assumed encoding, subclass and replace + :attr:`charset`. + + :param environ: The WSGI environ is generated by the WSGI server and + contains information about the server configuration and client + request. + :param populate_request: Add this request object to the WSGI environ + as ``environ['werkzeug.request']``. Can be useful when + debugging. + :param shallow: Makes reading from :attr:`stream` (and any method + that would read from it) raise a :exc:`RuntimeError`. Useful to + prevent consuming the form data in middleware, which would make + it unavailable to the final application. + + .. versionchanged:: 2.0 + Combine ``BaseRequest`` and mixins into a single ``Request`` + class. Using the old classes is deprecated and will be removed + in Werkzeug 2.1. + + .. versionchanged:: 0.5 + Read-only mode is enforced with immutable classes for all data. + """ + + #: the maximum content length. This is forwarded to the form data + #: parsing function (:func:`parse_form_data`). When set and the + #: :attr:`form` or :attr:`files` attribute is accessed and the + #: parsing fails because more than the specified value is transmitted + #: a :exc:`~werkzeug.exceptions.RequestEntityTooLarge` exception is raised. + #: + #: Have a look at :doc:`/request_data` for more details. + #: + #: .. versionadded:: 0.5 + max_content_length: t.Optional[int] = None + + #: the maximum form field size. This is forwarded to the form data + #: parsing function (:func:`parse_form_data`). When set and the + #: :attr:`form` or :attr:`files` attribute is accessed and the + #: data in memory for post data is longer than the specified value a + #: :exc:`~werkzeug.exceptions.RequestEntityTooLarge` exception is raised. + #: + #: Have a look at :doc:`/request_data` for more details. + #: + #: .. versionadded:: 0.5 + max_form_memory_size: t.Optional[int] = None + + #: The form data parser that shoud be used. Can be replaced to customize + #: the form date parsing. + form_data_parser_class: t.Type[FormDataParser] = FormDataParser + + #: Disable the :attr:`data` property to avoid reading from the input + #: stream. + #: + #: .. deprecated:: 2.0 + #: Will be removed in Werkzeug 2.1. Create the request with + #: ``shallow=True`` instead. + #: + #: .. versionadded:: 0.9 + disable_data_descriptor: t.Optional[bool] = None + + #: The WSGI environment containing HTTP headers and information from + #: the WSGI server. + environ: "WSGIEnvironment" + + #: Set when creating the request object. If ``True``, reading from + #: the request body will cause a ``RuntimeException``. Useful to + #: prevent modifying the stream from middleware. + shallow: bool + + def __init__( + self, + environ: "WSGIEnvironment", + populate_request: bool = True, + shallow: bool = False, + ) -> None: + super().__init__( + method=environ.get("REQUEST_METHOD", "GET"), + scheme=environ.get("wsgi.url_scheme", "http"), + server=_get_server(environ), + root_path=_wsgi_decoding_dance( + environ.get("SCRIPT_NAME") or "", self.charset, self.encoding_errors + ), + path=_wsgi_decoding_dance( + environ.get("PATH_INFO") or "", self.charset, self.encoding_errors + ), + query_string=environ.get("QUERY_STRING", "").encode("latin1"), + headers=EnvironHeaders(environ), + remote_addr=environ.get("REMOTE_ADDR"), + ) + self.environ = environ + + if self.disable_data_descriptor is not None: + warnings.warn( + "'disable_data_descriptor' is deprecated and will be" + " removed in Werkzeug 2.1. Create the request with" + " 'shallow=True' instead.", + DeprecationWarning, + stacklevel=2, + ) + shallow = shallow or self.disable_data_descriptor + + self.shallow = shallow + + if populate_request and not shallow: + self.environ["werkzeug.request"] = self + + @classmethod + def from_values(cls, *args: t.Any, **kwargs: t.Any) -> "Request": + """Create a new request object based on the values provided. If + environ is given missing values are filled from there. This method is + useful for small scripts when you need to simulate a request from an URL. + Do not use this method for unittesting, there is a full featured client + object (:class:`Client`) that allows to create multipart requests, + support for cookies etc. + + This accepts the same options as the + :class:`~werkzeug.test.EnvironBuilder`. + + .. versionchanged:: 0.5 + This method now accepts the same arguments as + :class:`~werkzeug.test.EnvironBuilder`. Because of this the + `environ` parameter is now called `environ_overrides`. + + :return: request object + """ + from ..test import EnvironBuilder + + charset = kwargs.pop("charset", cls.charset) + kwargs["charset"] = charset + builder = EnvironBuilder(*args, **kwargs) + try: + return builder.get_request(cls) + finally: + builder.close() + + @classmethod + def application( + cls, f: t.Callable[["Request"], "WSGIApplication"] + ) -> "WSGIApplication": + """Decorate a function as responder that accepts the request as + the last argument. This works like the :func:`responder` + decorator but the function is passed the request object as the + last argument and the request object will be closed + automatically:: + + @Request.application + def my_wsgi_app(request): + return Response('Hello World!') + + As of Werkzeug 0.14 HTTP exceptions are automatically caught and + converted to responses instead of failing. + + :param f: the WSGI callable to decorate + :return: a new WSGI callable + """ + #: return a callable that wraps the -2nd argument with the request + #: and calls the function with all the arguments up to that one and + #: the request. The return value is then called with the latest + #: two arguments. This makes it possible to use this decorator for + #: both standalone WSGI functions as well as bound methods and + #: partially applied functions. + from ..exceptions import HTTPException + + @functools.wraps(f) + def application(*args): # type: ignore + request = cls(args[-2]) + with request: + try: + resp = f(*args[:-2] + (request,)) + except HTTPException as e: + resp = e.get_response(args[-2]) + return resp(*args[-2:]) + + return t.cast("WSGIApplication", application) + + def _get_file_stream( + self, + total_content_length: t.Optional[int], + content_type: t.Optional[str], + filename: t.Optional[str] = None, + content_length: t.Optional[int] = None, + ) -> t.BinaryIO: + """Called to get a stream for the file upload. + + This must provide a file-like class with `read()`, `readline()` + and `seek()` methods that is both writeable and readable. + + The default implementation returns a temporary file if the total + content length is higher than 500KB. Because many browsers do not + provide a content length for the files only the total content + length matters. + + :param total_content_length: the total content length of all the + data in the request combined. This value + is guaranteed to be there. + :param content_type: the mimetype of the uploaded file. + :param filename: the filename of the uploaded file. May be `None`. + :param content_length: the length of this file. This value is usually + not provided because webbrowsers do not provide + this value. + """ + return default_stream_factory( + total_content_length=total_content_length, + filename=filename, + content_type=content_type, + content_length=content_length, + ) + + @property + def want_form_data_parsed(self) -> bool: + """``True`` if the request method carries content. By default + this is true if a ``Content-Type`` is sent. + + .. versionadded:: 0.8 + """ + return bool(self.environ.get("CONTENT_TYPE")) + + def make_form_data_parser(self) -> FormDataParser: + """Creates the form data parser. Instantiates the + :attr:`form_data_parser_class` with some parameters. + + .. versionadded:: 0.8 + """ + return self.form_data_parser_class( + self._get_file_stream, + self.charset, + self.encoding_errors, + self.max_form_memory_size, + self.max_content_length, + self.parameter_storage_class, + ) + + def _load_form_data(self) -> None: + """Method used internally to retrieve submitted data. After calling + this sets `form` and `files` on the request object to multi dicts + filled with the incoming form data. As a matter of fact the input + stream will be empty afterwards. You can also call this method to + force the parsing of the form data. + + .. versionadded:: 0.8 + """ + # abort early if we have already consumed the stream + if "form" in self.__dict__: + return + + if self.want_form_data_parsed: + parser = self.make_form_data_parser() + data = parser.parse( + self._get_stream_for_parsing(), + self.mimetype, + self.content_length, + self.mimetype_params, + ) + else: + data = ( + self.stream, + self.parameter_storage_class(), + self.parameter_storage_class(), + ) + + # inject the values into the instance dict so that we bypass + # our cached_property non-data descriptor. + d = self.__dict__ + d["stream"], d["form"], d["files"] = data + + def _get_stream_for_parsing(self) -> t.BinaryIO: + """This is the same as accessing :attr:`stream` with the difference + that if it finds cached data from calling :meth:`get_data` first it + will create a new stream out of the cached data. + + .. versionadded:: 0.9.3 + """ + cached_data = getattr(self, "_cached_data", None) + if cached_data is not None: + return BytesIO(cached_data) + return self.stream + + def close(self) -> None: + """Closes associated resources of this request object. This + closes all file handles explicitly. You can also use the request + object in a with statement which will automatically close it. + + .. versionadded:: 0.9 + """ + files = self.__dict__.get("files") + for _key, value in iter_multi_items(files or ()): + value.close() + + def __enter__(self) -> "Request": + return self + + def __exit__(self, exc_type, exc_value, tb) -> None: # type: ignore + self.close() + + @cached_property + def stream(self) -> t.BinaryIO: + """ + If the incoming form data was not encoded with a known mimetype + the data is stored unmodified in this stream for consumption. Most + of the time it is a better idea to use :attr:`data` which will give + you that data as a string. The stream only returns the data once. + + Unlike :attr:`input_stream` this stream is properly guarded that you + can't accidentally read past the length of the input. Werkzeug will + internally always refer to this stream to read data which makes it + possible to wrap this object with a stream that does filtering. + + .. versionchanged:: 0.9 + This stream is now always available but might be consumed by the + form parser later on. Previously the stream was only set if no + parsing happened. + """ + if self.shallow: + raise RuntimeError( + "This request was created with 'shallow=True', reading" + " from the input stream is disabled." + ) + + return get_input_stream(self.environ) + + input_stream = environ_property[t.BinaryIO]( + "wsgi.input", + doc="""The WSGI input stream. + + In general it's a bad idea to use this one because you can + easily read past the boundary. Use the :attr:`stream` + instead.""", + ) + + @cached_property + def data(self) -> bytes: + """ + Contains the incoming request data as string in case it came with + a mimetype Werkzeug does not handle. + """ + return self.get_data(parse_form_data=True) + + @typing.overload + def get_data( # type: ignore + self, + cache: bool = True, + as_text: "te.Literal[False]" = False, + parse_form_data: bool = False, + ) -> bytes: + ... + + @typing.overload + def get_data( + self, + cache: bool = True, + as_text: "te.Literal[True]" = ..., + parse_form_data: bool = False, + ) -> str: + ... + + def get_data( + self, cache: bool = True, as_text: bool = False, parse_form_data: bool = False + ) -> t.Union[bytes, str]: + """This reads the buffered incoming data from the client into one + bytes object. By default this is cached but that behavior can be + changed by setting `cache` to `False`. + + Usually it's a bad idea to call this method without checking the + content length first as a client could send dozens of megabytes or more + to cause memory problems on the server. + + Note that if the form data was already parsed this method will not + return anything as form data parsing does not cache the data like + this method does. To implicitly invoke form data parsing function + set `parse_form_data` to `True`. When this is done the return value + of this method will be an empty string if the form parser handles + the data. This generally is not necessary as if the whole data is + cached (which is the default) the form parser will used the cached + data to parse the form data. Please be generally aware of checking + the content length first in any case before calling this method + to avoid exhausting server memory. + + If `as_text` is set to `True` the return value will be a decoded + string. + + .. versionadded:: 0.9 + """ + rv = getattr(self, "_cached_data", None) + if rv is None: + if parse_form_data: + self._load_form_data() + rv = self.stream.read() + if cache: + self._cached_data = rv + if as_text: + rv = rv.decode(self.charset, self.encoding_errors) + return rv # type: ignore + + @cached_property + def form(self) -> "ImmutableMultiDict[str, str]": + """The form parameters. By default an + :class:`~werkzeug.datastructures.ImmutableMultiDict` + is returned from this function. This can be changed by setting + :attr:`parameter_storage_class` to a different type. This might + be necessary if the order of the form data is important. + + Please keep in mind that file uploads will not end up here, but instead + in the :attr:`files` attribute. + + .. versionchanged:: 0.9 + + Previous to Werkzeug 0.9 this would only contain form data for POST + and PUT requests. + """ + self._load_form_data() + return self.form + + @cached_property + def values(self) -> "CombinedMultiDict[str, str]": + """A :class:`werkzeug.datastructures.CombinedMultiDict` that + combines :attr:`args` and :attr:`form`. + + For GET requests, only ``args`` are present, not ``form``. + + .. versionchanged:: 2.0 + For GET requests, only ``args`` are present, not ``form``. + """ + sources = [self.args] + + if self.method != "GET": + # GET requests can have a body, and some caching proxies + # might not treat that differently than a normal GET + # request, allowing form data to "invisibly" affect the + # cache without indication in the query string / URL. + sources.append(self.form) + + args = [] + + for d in sources: + if not isinstance(d, MultiDict): + d = MultiDict(d) + + args.append(d) + + return CombinedMultiDict(args) + + @cached_property + def files(self) -> "ImmutableMultiDict[str, FileStorage]": + """:class:`~werkzeug.datastructures.MultiDict` object containing + all uploaded files. Each key in :attr:`files` is the name from the + ````. Each value in :attr:`files` is a + Werkzeug :class:`~werkzeug.datastructures.FileStorage` object. + + It basically behaves like a standard file object you know from Python, + with the difference that it also has a + :meth:`~werkzeug.datastructures.FileStorage.save` function that can + store the file on the filesystem. + + Note that :attr:`files` will only contain data if the request method was + POST, PUT or PATCH and the ``

    `` that posted to the request had + ``enctype="multipart/form-data"``. It will be empty otherwise. + + See the :class:`~werkzeug.datastructures.MultiDict` / + :class:`~werkzeug.datastructures.FileStorage` documentation for + more details about the used data structure. + """ + self._load_form_data() + return self.files + + @property + def script_root(self) -> str: + """Alias for :attr:`self.root_path`. ``environ["SCRIPT_ROOT"]`` + without a trailing slash. + """ + return self.root_path + + @cached_property + def url_root(self) -> str: + """Alias for :attr:`root_url`. The URL with scheme, host, and + root path. For example, ``https://example.com/app/``. + """ + return self.root_url + + remote_user = environ_property[str]( + "REMOTE_USER", + doc="""If the server supports user authentication, and the + script is protected, this attribute contains the username the + user has authenticated as.""", + ) + is_multithread = environ_property[bool]( + "wsgi.multithread", + doc="""boolean that is `True` if the application is served by a + multithreaded WSGI server.""", + ) + is_multiprocess = environ_property[bool]( + "wsgi.multiprocess", + doc="""boolean that is `True` if the application is served by a + WSGI server that spawns multiple processes.""", + ) + is_run_once = environ_property[bool]( + "wsgi.run_once", + doc="""boolean that is `True` if the application will be + executed only once in a process lifetime. This is the case for + CGI for example, but it's not guaranteed that the execution only + happens one time.""", + ) + + # JSON + + #: A module or other object that has ``dumps`` and ``loads`` + #: functions that match the API of the built-in :mod:`json` module. + json_module = json + + @property + def json(self) -> t.Optional[t.Any]: + """The parsed JSON data if :attr:`mimetype` indicates JSON + (:mimetype:`application/json`, see :meth:`is_json`). + + Calls :meth:`get_json` with default arguments. + """ + return self.get_json() + + # Cached values for ``(silent=False, silent=True)``. Initialized + # with sentinel values. + _cached_json: t.Tuple[t.Any, t.Any] = (Ellipsis, Ellipsis) + + def get_json( + self, force: bool = False, silent: bool = False, cache: bool = True + ) -> t.Optional[t.Any]: + """Parse :attr:`data` as JSON. + + If the mimetype does not indicate JSON + (:mimetype:`application/json`, see :meth:`is_json`), this + returns ``None``. + + If parsing fails, :meth:`on_json_loading_failed` is called and + its return value is used as the return value. + + :param force: Ignore the mimetype and always try to parse JSON. + :param silent: Silence parsing errors and return ``None`` + instead. + :param cache: Store the parsed JSON to return for subsequent + calls. + """ + if cache and self._cached_json[silent] is not Ellipsis: + return self._cached_json[silent] + + if not (force or self.is_json): + return None + + data = self.get_data(cache=cache) + + try: + rv = self.json_module.loads(data) + except ValueError as e: + if silent: + rv = None + + if cache: + normal_rv, _ = self._cached_json + self._cached_json = (normal_rv, rv) + else: + rv = self.on_json_loading_failed(e) + + if cache: + _, silent_rv = self._cached_json + self._cached_json = (rv, silent_rv) + else: + if cache: + self._cached_json = (rv, rv) + + return rv + + def on_json_loading_failed(self, e: ValueError) -> t.Any: + """Called if :meth:`get_json` parsing fails and isn't silenced. + If this method returns a value, it is used as the return value + for :meth:`get_json`. The default implementation raises + :exc:`~werkzeug.exceptions.BadRequest`. + """ + raise BadRequest(f"Failed to decode JSON object: {e}") + + +class StreamOnlyMixin: + """Mixin to create a ``Request`` that disables the ``data``, + ``form``, and ``files`` properties. Only ``stream`` is available. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Create the request with + ``shallow=True`` instead. + + .. versionadded:: 0.9 + """ + + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'StreamOnlyMixin' is deprecated and will be removed in" + " Werkzeug 2.1. Create the request with 'shallow=True'" + " instead.", + DeprecationWarning, + stacklevel=2, + ) + kwargs["shallow"] = True + super().__init__(*args, **kwargs) # type: ignore + + +class PlainRequest(StreamOnlyMixin, Request): + """A request object without ``data``, ``form``, and ``files``. + + .. deprecated:: 2.0 + Will be removed in Werkzeug 2.1. Create the request with + ``shallow=True`` instead. + + .. versionadded:: 0.9 + """ + + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'PlainRequest' is deprecated and will be removed in" + " Werkzeug 2.1. Create the request with 'shallow=True'" + " instead.", + DeprecationWarning, + stacklevel=2, + ) + + # Don't show the DeprecationWarning for StreamOnlyMixin. + with warnings.catch_warnings(): + warnings.simplefilter("ignore", DeprecationWarning) + super().__init__(*args, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/response.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/response.py new file mode 100644 index 0000000..a43c8bc --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/response.py @@ -0,0 +1,890 @@ +import json +import typing +import typing as t +import warnings +from http import HTTPStatus + +from .._internal import _to_bytes +from ..datastructures import Headers +from ..http import remove_entity_headers +from ..sansio.response import Response as _SansIOResponse +from ..urls import iri_to_uri +from ..urls import url_join +from ..utils import cached_property +from ..wsgi import ClosingIterator +from ..wsgi import get_current_url +from werkzeug._internal import _get_environ +from werkzeug.http import generate_etag +from werkzeug.http import http_date +from werkzeug.http import is_resource_modified +from werkzeug.http import parse_etags +from werkzeug.http import parse_range_header +from werkzeug.wsgi import _RangeWrapper + +if t.TYPE_CHECKING: + import typing_extensions as te + from _typeshed.wsgi import StartResponse + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +def _warn_if_string(iterable: t.Iterable) -> None: + """Helper for the response objects to check if the iterable returned + to the WSGI server is not a string. + """ + if isinstance(iterable, str): + warnings.warn( + "Response iterable was set to a string. This will appear to" + " work but means that the server will send the data to the" + " client one character at a time. This is almost never" + " intended behavior, use 'response.data' to assign strings" + " to the response object.", + stacklevel=2, + ) + + +def _iter_encoded( + iterable: t.Iterable[t.Union[str, bytes]], charset: str +) -> t.Iterator[bytes]: + for item in iterable: + if isinstance(item, str): + yield item.encode(charset) + else: + yield item + + +def _clean_accept_ranges(accept_ranges: t.Union[bool, str]) -> str: + if accept_ranges is True: + return "bytes" + elif accept_ranges is False: + return "none" + elif isinstance(accept_ranges, str): + return accept_ranges + raise ValueError("Invalid accept_ranges value") + + +class Response(_SansIOResponse): + """Represents an outgoing WSGI HTTP response with body, status, and + headers. Has properties and methods for using the functionality + defined by various HTTP specs. + + The response body is flexible to support different use cases. The + simple form is passing bytes, or a string which will be encoded as + UTF-8. Passing an iterable of bytes or strings makes this a + streaming response. A generator is particularly useful for building + a CSV file in memory or using SSE (Server Sent Events). A file-like + object is also iterable, although the + :func:`~werkzeug.utils.send_file` helper should be used in that + case. + + The response object is itself a WSGI application callable. When + called (:meth:`__call__`) with ``environ`` and ``start_response``, + it will pass its status and headers to ``start_response`` then + return its body as an iterable. + + .. code-block:: python + + from werkzeug.wrappers.response import Response + + def index(): + return Response("Hello, World!") + + def application(environ, start_response): + path = environ.get("PATH_INFO") or "/" + + if path == "/": + response = index() + else: + response = Response("Not Found", status=404) + + return response(environ, start_response) + + :param response: The data for the body of the response. A string or + bytes, or tuple or list of strings or bytes, for a fixed-length + response, or any other iterable of strings or bytes for a + streaming response. Defaults to an empty body. + :param status: The status code for the response. Either an int, in + which case the default status message is added, or a string in + the form ``{code} {message}``, like ``404 Not Found``. Defaults + to 200. + :param headers: A :class:`~werkzeug.datastructures.Headers` object, + or a list of ``(key, value)`` tuples that will be converted to a + ``Headers`` object. + :param mimetype: The mime type (content type without charset or + other parameters) of the response. If the value starts with + ``text/`` (or matches some other special cases), the charset + will be added to create the ``content_type``. + :param content_type: The full content type of the response. + Overrides building the value from ``mimetype``. + :param direct_passthrough: Pass the response body directly through + as the WSGI iterable. This can be used when the body is a binary + file or other iterator of bytes, to skip some unnecessary + checks. Use :func:`~werkzeug.utils.send_file` instead of setting + this manually. + + .. versionchanged:: 2.0 + Combine ``BaseResponse`` and mixins into a single ``Response`` + class. Using the old classes is deprecated and will be removed + in Werkzeug 2.1. + + .. versionchanged:: 0.5 + The ``direct_passthrough`` parameter was added. + """ + + #: if set to `False` accessing properties on the response object will + #: not try to consume the response iterator and convert it into a list. + #: + #: .. versionadded:: 0.6.2 + #: + #: That attribute was previously called `implicit_seqence_conversion`. + #: (Notice the typo). If you did use this feature, you have to adapt + #: your code to the name change. + implicit_sequence_conversion = True + + #: Should this response object correct the location header to be RFC + #: conformant? This is true by default. + #: + #: .. versionadded:: 0.8 + autocorrect_location_header = True + + #: Should this response object automatically set the content-length + #: header if possible? This is true by default. + #: + #: .. versionadded:: 0.8 + automatically_set_content_length = True + + #: The response body to send as the WSGI iterable. A list of strings + #: or bytes represents a fixed-length response, any other iterable + #: is a streaming response. Strings are encoded to bytes as UTF-8. + #: + #: Do not set to a plain string or bytes, that will cause sending + #: the response to be very inefficient as it will iterate one byte + #: at a time. + response: t.Union[t.Iterable[str], t.Iterable[bytes]] + + def __init__( + self, + response: t.Optional[ + t.Union[t.Iterable[bytes], bytes, t.Iterable[str], str] + ] = None, + status: t.Optional[t.Union[int, str, HTTPStatus]] = None, + headers: t.Optional[ + t.Union[ + t.Mapping[str, t.Union[str, int, t.Iterable[t.Union[str, int]]]], + t.Iterable[t.Tuple[str, t.Union[str, int]]], + ] + ] = None, + mimetype: t.Optional[str] = None, + content_type: t.Optional[str] = None, + direct_passthrough: bool = False, + ) -> None: + super().__init__( + status=status, + headers=headers, + mimetype=mimetype, + content_type=content_type, + ) + + #: Pass the response body directly through as the WSGI iterable. + #: This can be used when the body is a binary file or other + #: iterator of bytes, to skip some unnecessary checks. Use + #: :func:`~werkzeug.utils.send_file` instead of setting this + #: manually. + self.direct_passthrough = direct_passthrough + self._on_close: t.List[t.Callable[[], t.Any]] = [] + + # we set the response after the headers so that if a class changes + # the charset attribute, the data is set in the correct charset. + if response is None: + self.response = [] + elif isinstance(response, (str, bytes, bytearray)): + self.set_data(response) + else: + self.response = response + + def call_on_close(self, func: t.Callable[[], t.Any]) -> t.Callable[[], t.Any]: + """Adds a function to the internal list of functions that should + be called as part of closing down the response. Since 0.7 this + function also returns the function that was passed so that this + can be used as a decorator. + + .. versionadded:: 0.6 + """ + self._on_close.append(func) + return func + + def __repr__(self) -> str: + if self.is_sequence: + body_info = f"{sum(map(len, self.iter_encoded()))} bytes" + else: + body_info = "streamed" if self.is_streamed else "likely-streamed" + return f"<{type(self).__name__} {body_info} [{self.status}]>" + + @classmethod + def force_type( + cls, response: "Response", environ: t.Optional["WSGIEnvironment"] = None + ) -> "Response": + """Enforce that the WSGI response is a response object of the current + type. Werkzeug will use the :class:`Response` internally in many + situations like the exceptions. If you call :meth:`get_response` on an + exception you will get back a regular :class:`Response` object, even + if you are using a custom subclass. + + This method can enforce a given response type, and it will also + convert arbitrary WSGI callables into response objects if an environ + is provided:: + + # convert a Werkzeug response object into an instance of the + # MyResponseClass subclass. + response = MyResponseClass.force_type(response) + + # convert any WSGI application into a response object + response = MyResponseClass.force_type(response, environ) + + This is especially useful if you want to post-process responses in + the main dispatcher and use functionality provided by your subclass. + + Keep in mind that this will modify response objects in place if + possible! + + :param response: a response object or wsgi application. + :param environ: a WSGI environment object. + :return: a response object. + """ + if not isinstance(response, Response): + if environ is None: + raise TypeError( + "cannot convert WSGI application into response" + " objects without an environ" + ) + + from ..test import run_wsgi_app + + response = Response(*run_wsgi_app(response, environ)) + + response.__class__ = cls + return response + + @classmethod + def from_app( + cls, app: "WSGIApplication", environ: "WSGIEnvironment", buffered: bool = False + ) -> "Response": + """Create a new response object from an application output. This + works best if you pass it an application that returns a generator all + the time. Sometimes applications may use the `write()` callable + returned by the `start_response` function. This tries to resolve such + edge cases automatically. But if you don't get the expected output + you should set `buffered` to `True` which enforces buffering. + + :param app: the WSGI application to execute. + :param environ: the WSGI environment to execute against. + :param buffered: set to `True` to enforce buffering. + :return: a response object. + """ + from ..test import run_wsgi_app + + return cls(*run_wsgi_app(app, environ, buffered)) + + @typing.overload + def get_data(self, as_text: "te.Literal[False]" = False) -> bytes: + ... + + @typing.overload + def get_data(self, as_text: "te.Literal[True]") -> str: + ... + + def get_data(self, as_text: bool = False) -> t.Union[bytes, str]: + """The string representation of the response body. Whenever you call + this property the response iterable is encoded and flattened. This + can lead to unwanted behavior if you stream big data. + + This behavior can be disabled by setting + :attr:`implicit_sequence_conversion` to `False`. + + If `as_text` is set to `True` the return value will be a decoded + string. + + .. versionadded:: 0.9 + """ + self._ensure_sequence() + rv = b"".join(self.iter_encoded()) + + if as_text: + return rv.decode(self.charset) + + return rv + + def set_data(self, value: t.Union[bytes, str]) -> None: + """Sets a new string as response. The value must be a string or + bytes. If a string is set it's encoded to the charset of the + response (utf-8 by default). + + .. versionadded:: 0.9 + """ + # if a string is set, it's encoded directly so that we + # can set the content length + if isinstance(value, str): + value = value.encode(self.charset) + else: + value = bytes(value) + self.response = [value] + if self.automatically_set_content_length: + self.headers["Content-Length"] = str(len(value)) + + data = property( + get_data, + set_data, + doc="A descriptor that calls :meth:`get_data` and :meth:`set_data`.", + ) + + def calculate_content_length(self) -> t.Optional[int]: + """Returns the content length if available or `None` otherwise.""" + try: + self._ensure_sequence() + except RuntimeError: + return None + return sum(len(x) for x in self.iter_encoded()) + + def _ensure_sequence(self, mutable: bool = False) -> None: + """This method can be called by methods that need a sequence. If + `mutable` is true, it will also ensure that the response sequence + is a standard Python list. + + .. versionadded:: 0.6 + """ + if self.is_sequence: + # if we need a mutable object, we ensure it's a list. + if mutable and not isinstance(self.response, list): + self.response = list(self.response) # type: ignore + return + if self.direct_passthrough: + raise RuntimeError( + "Attempted implicit sequence conversion but the" + " response object is in direct passthrough mode." + ) + if not self.implicit_sequence_conversion: + raise RuntimeError( + "The response object required the iterable to be a" + " sequence, but the implicit conversion was disabled." + " Call make_sequence() yourself." + ) + self.make_sequence() + + def make_sequence(self) -> None: + """Converts the response iterator in a list. By default this happens + automatically if required. If `implicit_sequence_conversion` is + disabled, this method is not automatically called and some properties + might raise exceptions. This also encodes all the items. + + .. versionadded:: 0.6 + """ + if not self.is_sequence: + # if we consume an iterable we have to ensure that the close + # method of the iterable is called if available when we tear + # down the response + close = getattr(self.response, "close", None) + self.response = list(self.iter_encoded()) + if close is not None: + self.call_on_close(close) + + def iter_encoded(self) -> t.Iterator[bytes]: + """Iter the response encoded with the encoding of the response. + If the response object is invoked as WSGI application the return + value of this method is used as application iterator unless + :attr:`direct_passthrough` was activated. + """ + if __debug__: + _warn_if_string(self.response) + # Encode in a separate function so that self.response is fetched + # early. This allows us to wrap the response with the return + # value from get_app_iter or iter_encoded. + return _iter_encoded(self.response, self.charset) + + @property + def is_streamed(self) -> bool: + """If the response is streamed (the response is not an iterable with + a length information) this property is `True`. In this case streamed + means that there is no information about the number of iterations. + This is usually `True` if a generator is passed to the response object. + + This is useful for checking before applying some sort of post + filtering that should not take place for streamed responses. + """ + try: + len(self.response) # type: ignore + except (TypeError, AttributeError): + return True + return False + + @property + def is_sequence(self) -> bool: + """If the iterator is buffered, this property will be `True`. A + response object will consider an iterator to be buffered if the + response attribute is a list or tuple. + + .. versionadded:: 0.6 + """ + return isinstance(self.response, (tuple, list)) + + def close(self) -> None: + """Close the wrapped response if possible. You can also use the object + in a with statement which will automatically close it. + + .. versionadded:: 0.9 + Can now be used in a with statement. + """ + if hasattr(self.response, "close"): + self.response.close() # type: ignore + for func in self._on_close: + func() + + def __enter__(self) -> "Response": + return self + + def __exit__(self, exc_type, exc_value, tb): # type: ignore + self.close() + + def freeze(self, no_etag: None = None) -> None: + """Make the response object ready to be pickled. Does the + following: + + * Buffer the response into a list, ignoring + :attr:`implicity_sequence_conversion` and + :attr:`direct_passthrough`. + * Set the ``Content-Length`` header. + * Generate an ``ETag`` header if one is not already set. + + .. versionchanged:: 2.0 + An ``ETag`` header is added, the ``no_etag`` parameter is + deprecated and will be removed in Werkzeug 2.1. + + .. versionchanged:: 0.6 + The ``Content-Length`` header is set. + """ + # Always freeze the encoded response body, ignore + # implicit_sequence_conversion and direct_passthrough. + self.response = list(self.iter_encoded()) + self.headers["Content-Length"] = str(sum(map(len, self.response))) + + if no_etag is not None: + warnings.warn( + "The 'no_etag' parameter is deprecated and will be" + " removed in Werkzeug 2.1.", + DeprecationWarning, + stacklevel=2, + ) + + self.add_etag() + + def get_wsgi_headers(self, environ: "WSGIEnvironment") -> Headers: + """This is automatically called right before the response is started + and returns headers modified for the given environment. It returns a + copy of the headers from the response with some modifications applied + if necessary. + + For example the location header (if present) is joined with the root + URL of the environment. Also the content length is automatically set + to zero here for certain status codes. + + .. versionchanged:: 0.6 + Previously that function was called `fix_headers` and modified + the response object in place. Also since 0.6, IRIs in location + and content-location headers are handled properly. + + Also starting with 0.6, Werkzeug will attempt to set the content + length if it is able to figure it out on its own. This is the + case if all the strings in the response iterable are already + encoded and the iterable is buffered. + + :param environ: the WSGI environment of the request. + :return: returns a new :class:`~werkzeug.datastructures.Headers` + object. + """ + headers = Headers(self.headers) + location: t.Optional[str] = None + content_location: t.Optional[str] = None + content_length: t.Optional[t.Union[str, int]] = None + status = self.status_code + + # iterate over the headers to find all values in one go. Because + # get_wsgi_headers is used each response that gives us a tiny + # speedup. + for key, value in headers: + ikey = key.lower() + if ikey == "location": + location = value + elif ikey == "content-location": + content_location = value + elif ikey == "content-length": + content_length = value + + # make sure the location header is an absolute URL + if location is not None: + old_location = location + if isinstance(location, str): + # Safe conversion is necessary here as we might redirect + # to a broken URI scheme (for instance itms-services). + location = iri_to_uri(location, safe_conversion=True) + + if self.autocorrect_location_header: + current_url = get_current_url(environ, strip_querystring=True) + if isinstance(current_url, str): + current_url = iri_to_uri(current_url) + location = url_join(current_url, location) + if location != old_location: + headers["Location"] = location + + # make sure the content location is a URL + if content_location is not None and isinstance(content_location, str): + headers["Content-Location"] = iri_to_uri(content_location) + + if 100 <= status < 200 or status == 204: + # Per section 3.3.2 of RFC 7230, "a server MUST NOT send a + # Content-Length header field in any response with a status + # code of 1xx (Informational) or 204 (No Content)." + headers.remove("Content-Length") + elif status == 304: + remove_entity_headers(headers) + + # if we can determine the content length automatically, we + # should try to do that. But only if this does not involve + # flattening the iterator or encoding of strings in the + # response. We however should not do that if we have a 304 + # response. + if ( + self.automatically_set_content_length + and self.is_sequence + and content_length is None + and status not in (204, 304) + and not (100 <= status < 200) + ): + try: + content_length = sum(len(_to_bytes(x, "ascii")) for x in self.response) + except UnicodeError: + # Something other than bytes, can't safely figure out + # the length of the response. + pass + else: + headers["Content-Length"] = str(content_length) + + return headers + + def get_app_iter(self, environ: "WSGIEnvironment") -> t.Iterable[bytes]: + """Returns the application iterator for the given environ. Depending + on the request method and the current status code the return value + might be an empty response rather than the one from the response. + + If the request method is `HEAD` or the status code is in a range + where the HTTP specification requires an empty response, an empty + iterable is returned. + + .. versionadded:: 0.6 + + :param environ: the WSGI environment of the request. + :return: a response iterable. + """ + status = self.status_code + if ( + environ["REQUEST_METHOD"] == "HEAD" + or 100 <= status < 200 + or status in (204, 304) + ): + iterable: t.Iterable[bytes] = () + elif self.direct_passthrough: + if __debug__: + _warn_if_string(self.response) + return self.response # type: ignore + else: + iterable = self.iter_encoded() + return ClosingIterator(iterable, self.close) + + def get_wsgi_response( + self, environ: "WSGIEnvironment" + ) -> t.Tuple[t.Iterable[bytes], str, t.List[t.Tuple[str, str]]]: + """Returns the final WSGI response as tuple. The first item in + the tuple is the application iterator, the second the status and + the third the list of headers. The response returned is created + specially for the given environment. For example if the request + method in the WSGI environment is ``'HEAD'`` the response will + be empty and only the headers and status code will be present. + + .. versionadded:: 0.6 + + :param environ: the WSGI environment of the request. + :return: an ``(app_iter, status, headers)`` tuple. + """ + headers = self.get_wsgi_headers(environ) + app_iter = self.get_app_iter(environ) + return app_iter, self.status, headers.to_wsgi_list() + + def __call__( + self, environ: "WSGIEnvironment", start_response: "StartResponse" + ) -> t.Iterable[bytes]: + """Process this response as WSGI application. + + :param environ: the WSGI environment. + :param start_response: the response callable provided by the WSGI + server. + :return: an application iterator + """ + app_iter, status, headers = self.get_wsgi_response(environ) + start_response(status, headers) + return app_iter + + # JSON + + #: A module or other object that has ``dumps`` and ``loads`` + #: functions that match the API of the built-in :mod:`json` module. + json_module = json + + @property + def json(self) -> t.Optional[t.Any]: + """The parsed JSON data if :attr:`mimetype` indicates JSON + (:mimetype:`application/json`, see :meth:`is_json`). + + Calls :meth:`get_json` with default arguments. + """ + return self.get_json() + + def get_json(self, force: bool = False, silent: bool = False) -> t.Optional[t.Any]: + """Parse :attr:`data` as JSON. Useful during testing. + + If the mimetype does not indicate JSON + (:mimetype:`application/json`, see :meth:`is_json`), this + returns ``None``. + + Unlike :meth:`Request.get_json`, the result is not cached. + + :param force: Ignore the mimetype and always try to parse JSON. + :param silent: Silence parsing errors and return ``None`` + instead. + """ + if not (force or self.is_json): + return None + + data = self.get_data() + + try: + return self.json_module.loads(data) + except ValueError: + if not silent: + raise + + return None + + # Stream + + @cached_property + def stream(self) -> "ResponseStream": + """The response iterable as write-only stream.""" + return ResponseStream(self) + + def _wrap_range_response(self, start: int, length: int) -> None: + """Wrap existing Response in case of Range Request context.""" + if self.status_code == 206: + self.response = _RangeWrapper(self.response, start, length) # type: ignore + + def _is_range_request_processable(self, environ: "WSGIEnvironment") -> bool: + """Return ``True`` if `Range` header is present and if underlying + resource is considered unchanged when compared with `If-Range` header. + """ + return ( + "HTTP_IF_RANGE" not in environ + or not is_resource_modified( + environ, + self.headers.get("etag"), + None, + self.headers.get("last-modified"), + ignore_if_range=False, + ) + ) and "HTTP_RANGE" in environ + + def _process_range_request( + self, + environ: "WSGIEnvironment", + complete_length: t.Optional[int] = None, + accept_ranges: t.Optional[t.Union[bool, str]] = None, + ) -> bool: + """Handle Range Request related headers (RFC7233). If `Accept-Ranges` + header is valid, and Range Request is processable, we set the headers + as described by the RFC, and wrap the underlying response in a + RangeWrapper. + + Returns ``True`` if Range Request can be fulfilled, ``False`` otherwise. + + :raises: :class:`~werkzeug.exceptions.RequestedRangeNotSatisfiable` + if `Range` header could not be parsed or satisfied. + + .. versionchanged:: 2.0 + Returns ``False`` if the length is 0. + """ + from ..exceptions import RequestedRangeNotSatisfiable + + if ( + accept_ranges is None + or complete_length is None + or complete_length == 0 + or not self._is_range_request_processable(environ) + ): + return False + + parsed_range = parse_range_header(environ.get("HTTP_RANGE")) + + if parsed_range is None: + raise RequestedRangeNotSatisfiable(complete_length) + + range_tuple = parsed_range.range_for_length(complete_length) + content_range_header = parsed_range.to_content_range_header(complete_length) + + if range_tuple is None or content_range_header is None: + raise RequestedRangeNotSatisfiable(complete_length) + + content_length = range_tuple[1] - range_tuple[0] + self.headers["Content-Length"] = content_length + self.headers["Accept-Ranges"] = accept_ranges + self.content_range = content_range_header # type: ignore + self.status_code = 206 + self._wrap_range_response(range_tuple[0], content_length) + return True + + def make_conditional( + self, + request_or_environ: "WSGIEnvironment", + accept_ranges: t.Union[bool, str] = False, + complete_length: t.Optional[int] = None, + ) -> "Response": + """Make the response conditional to the request. This method works + best if an etag was defined for the response already. The `add_etag` + method can be used to do that. If called without etag just the date + header is set. + + This does nothing if the request method in the request or environ is + anything but GET or HEAD. + + For optimal performance when handling range requests, it's recommended + that your response data object implements `seekable`, `seek` and `tell` + methods as described by :py:class:`io.IOBase`. Objects returned by + :meth:`~werkzeug.wsgi.wrap_file` automatically implement those methods. + + It does not remove the body of the response because that's something + the :meth:`__call__` function does for us automatically. + + Returns self so that you can do ``return resp.make_conditional(req)`` + but modifies the object in-place. + + :param request_or_environ: a request object or WSGI environment to be + used to make the response conditional + against. + :param accept_ranges: This parameter dictates the value of + `Accept-Ranges` header. If ``False`` (default), + the header is not set. If ``True``, it will be set + to ``"bytes"``. If ``None``, it will be set to + ``"none"``. If it's a string, it will use this + value. + :param complete_length: Will be used only in valid Range Requests. + It will set `Content-Range` complete length + value and compute `Content-Length` real value. + This parameter is mandatory for successful + Range Requests completion. + :raises: :class:`~werkzeug.exceptions.RequestedRangeNotSatisfiable` + if `Range` header could not be parsed or satisfied. + + .. versionchanged:: 2.0 + Range processing is skipped if length is 0 instead of + raising a 416 Range Not Satisfiable error. + """ + environ = _get_environ(request_or_environ) + if environ["REQUEST_METHOD"] in ("GET", "HEAD"): + # if the date is not in the headers, add it now. We however + # will not override an already existing header. Unfortunately + # this header will be overriden by many WSGI servers including + # wsgiref. + if "date" not in self.headers: + self.headers["Date"] = http_date() + accept_ranges = _clean_accept_ranges(accept_ranges) + is206 = self._process_range_request(environ, complete_length, accept_ranges) + if not is206 and not is_resource_modified( + environ, + self.headers.get("etag"), + None, + self.headers.get("last-modified"), + ): + if parse_etags(environ.get("HTTP_IF_MATCH")): + self.status_code = 412 + else: + self.status_code = 304 + if ( + self.automatically_set_content_length + and "content-length" not in self.headers + ): + length = self.calculate_content_length() + if length is not None: + self.headers["Content-Length"] = length + return self + + def add_etag(self, overwrite: bool = False, weak: bool = False) -> None: + """Add an etag for the current response if there is none yet. + + .. versionchanged:: 2.0 + SHA-1 is used to generate the value. MD5 may not be + available in some environments. + """ + if overwrite or "etag" not in self.headers: + self.set_etag(generate_etag(self.get_data()), weak) + + +class ResponseStream: + """A file descriptor like object used by the :class:`ResponseStreamMixin` to + represent the body of the stream. It directly pushes into the response + iterable of the response object. + """ + + mode = "wb+" + + def __init__(self, response: Response): + self.response = response + self.closed = False + + def write(self, value: bytes) -> int: + if self.closed: + raise ValueError("I/O operation on closed file") + self.response._ensure_sequence(mutable=True) + self.response.response.append(value) # type: ignore + self.response.headers.pop("Content-Length", None) + return len(value) + + def writelines(self, seq: t.Iterable[bytes]) -> None: + for item in seq: + self.write(item) + + def close(self) -> None: + self.closed = True + + def flush(self) -> None: + if self.closed: + raise ValueError("I/O operation on closed file") + + def isatty(self) -> bool: + if self.closed: + raise ValueError("I/O operation on closed file") + return False + + def tell(self) -> int: + self.response._ensure_sequence() + return sum(map(len, self.response.response)) + + @property + def encoding(self) -> str: + return self.response.charset + + +class ResponseStreamMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'ResponseStreamMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Response' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/user_agent.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/user_agent.py new file mode 100644 index 0000000..184ffd0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wrappers/user_agent.py @@ -0,0 +1,14 @@ +import typing as t +import warnings + + +class UserAgentMixin: + def __init__(self, *args: t.Any, **kwargs: t.Any) -> None: + warnings.warn( + "'UserAgentMixin' is deprecated and will be removed in" + " Werkzeug 2.1. 'Request' now includes the functionality" + " directly.", + DeprecationWarning, + stacklevel=2, + ) + super().__init__(*args, **kwargs) # type: ignore diff --git a/backend/mb-env/lib/python3.9/site-packages/werkzeug/wsgi.py b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wsgi.py new file mode 100644 index 0000000..9439a1e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/werkzeug/wsgi.py @@ -0,0 +1,982 @@ +import io +import re +import typing as t +from functools import partial +from functools import update_wrapper +from itertools import chain + +from ._internal import _make_encode_wrapper +from ._internal import _to_bytes +from ._internal import _to_str +from .sansio import utils as _sansio_utils +from .sansio.utils import host_is_trusted # noqa: F401 # Imported as part of API +from .urls import _URLTuple +from .urls import uri_to_iri +from .urls import url_join +from .urls import url_parse +from .urls import url_quote + +if t.TYPE_CHECKING: + from _typeshed.wsgi import WSGIApplication + from _typeshed.wsgi import WSGIEnvironment + + +def responder(f: t.Callable[..., "WSGIApplication"]) -> "WSGIApplication": + """Marks a function as responder. Decorate a function with it and it + will automatically call the return value as WSGI application. + + Example:: + + @responder + def application(environ, start_response): + return Response('Hello World!') + """ + return update_wrapper(lambda *a: f(*a)(*a[-2:]), f) + + +def get_current_url( + environ: "WSGIEnvironment", + root_only: bool = False, + strip_querystring: bool = False, + host_only: bool = False, + trusted_hosts: t.Optional[t.Iterable[str]] = None, +) -> str: + """Recreate the URL for a request from the parts in a WSGI + environment. + + The URL is an IRI, not a URI, so it may contain Unicode characters. + Use :func:`~werkzeug.urls.iri_to_uri` to convert it to ASCII. + + :param environ: The WSGI environment to get the URL parts from. + :param root_only: Only build the root path, don't include the + remaining path or query string. + :param strip_querystring: Don't include the query string. + :param host_only: Only build the scheme and host. + :param trusted_hosts: A list of trusted host names to validate the + host against. + """ + parts = { + "scheme": environ["wsgi.url_scheme"], + "host": get_host(environ, trusted_hosts), + } + + if not host_only: + parts["root_path"] = environ.get("SCRIPT_NAME", "") + + if not root_only: + parts["path"] = environ.get("PATH_INFO", "") + + if not strip_querystring: + parts["query_string"] = environ.get("QUERY_STRING", "").encode("latin1") + + return _sansio_utils.get_current_url(**parts) + + +def _get_server( + environ: "WSGIEnvironment", +) -> t.Optional[t.Tuple[str, t.Optional[int]]]: + name = environ.get("SERVER_NAME") + + if name is None: + return None + + try: + port: t.Optional[int] = int(environ.get("SERVER_PORT", None)) + except (TypeError, ValueError): + # unix socket + port = None + + return name, port + + +def get_host( + environ: "WSGIEnvironment", trusted_hosts: t.Optional[t.Iterable[str]] = None +) -> str: + """Return the host for the given WSGI environment. + + The ``Host`` header is preferred, then ``SERVER_NAME`` if it's not + set. The returned host will only contain the port if it is different + than the standard port for the protocol. + + Optionally, verify that the host is trusted using + :func:`host_is_trusted` and raise a + :exc:`~werkzeug.exceptions.SecurityError` if it is not. + + :param environ: A WSGI environment dict. + :param trusted_hosts: A list of trusted host names. + + :return: Host, with port if necessary. + :raise ~werkzeug.exceptions.SecurityError: If the host is not + trusted. + """ + return _sansio_utils.get_host( + environ["wsgi.url_scheme"], + environ.get("HTTP_HOST"), + _get_server(environ), + trusted_hosts, + ) + + +def get_content_length(environ: "WSGIEnvironment") -> t.Optional[int]: + """Returns the content length from the WSGI environment as + integer. If it's not available or chunked transfer encoding is used, + ``None`` is returned. + + .. versionadded:: 0.9 + + :param environ: the WSGI environ to fetch the content length from. + """ + if environ.get("HTTP_TRANSFER_ENCODING", "") == "chunked": + return None + + content_length = environ.get("CONTENT_LENGTH") + if content_length is not None: + try: + return max(0, int(content_length)) + except (ValueError, TypeError): + pass + return None + + +def get_input_stream( + environ: "WSGIEnvironment", safe_fallback: bool = True +) -> t.BinaryIO: + """Returns the input stream from the WSGI environment and wraps it + in the most sensible way possible. The stream returned is not the + raw WSGI stream in most cases but one that is safe to read from + without taking into account the content length. + + If content length is not set, the stream will be empty for safety reasons. + If the WSGI server supports chunked or infinite streams, it should set + the ``wsgi.input_terminated`` value in the WSGI environ to indicate that. + + .. versionadded:: 0.9 + + :param environ: the WSGI environ to fetch the stream from. + :param safe_fallback: use an empty stream as a safe fallback when the + content length is not set. Disabling this allows infinite streams, + which can be a denial-of-service risk. + """ + stream = t.cast(t.BinaryIO, environ["wsgi.input"]) + content_length = get_content_length(environ) + + # A wsgi extension that tells us if the input is terminated. In + # that case we return the stream unchanged as we know we can safely + # read it until the end. + if environ.get("wsgi.input_terminated"): + return stream + + # If the request doesn't specify a content length, returning the stream is + # potentially dangerous because it could be infinite, malicious or not. If + # safe_fallback is true, return an empty stream instead for safety. + if content_length is None: + return io.BytesIO() if safe_fallback else stream + + # Otherwise limit the stream to the content length + return t.cast(t.BinaryIO, LimitedStream(stream, content_length)) + + +def get_query_string(environ: "WSGIEnvironment") -> str: + """Returns the ``QUERY_STRING`` from the WSGI environment. This also + takes care of the WSGI decoding dance. The string returned will be + restricted to ASCII characters. + + :param environ: WSGI environment to get the query string from. + + .. versionadded:: 0.9 + """ + qs = environ.get("QUERY_STRING", "").encode("latin1") + # QUERY_STRING really should be ascii safe but some browsers + # will send us some unicode stuff (I am looking at you IE). + # In that case we want to urllib quote it badly. + return url_quote(qs, safe=":&%=+$!*'(),") + + +def get_path_info( + environ: "WSGIEnvironment", charset: str = "utf-8", errors: str = "replace" +) -> str: + """Return the ``PATH_INFO`` from the WSGI environment and decode it + unless ``charset`` is ``None``. + + :param environ: WSGI environment to get the path from. + :param charset: The charset for the path info, or ``None`` if no + decoding should be performed. + :param errors: The decoding error handling. + + .. versionadded:: 0.9 + """ + path = environ.get("PATH_INFO", "").encode("latin1") + return _to_str(path, charset, errors, allow_none_charset=True) # type: ignore + + +def get_script_name( + environ: "WSGIEnvironment", charset: str = "utf-8", errors: str = "replace" +) -> str: + """Return the ``SCRIPT_NAME`` from the WSGI environment and decode + it unless `charset` is set to ``None``. + + :param environ: WSGI environment to get the path from. + :param charset: The charset for the path, or ``None`` if no decoding + should be performed. + :param errors: The decoding error handling. + + .. versionadded:: 0.9 + """ + path = environ.get("SCRIPT_NAME", "").encode("latin1") + return _to_str(path, charset, errors, allow_none_charset=True) # type: ignore + + +def pop_path_info( + environ: "WSGIEnvironment", charset: str = "utf-8", errors: str = "replace" +) -> t.Optional[str]: + """Removes and returns the next segment of `PATH_INFO`, pushing it onto + `SCRIPT_NAME`. Returns `None` if there is nothing left on `PATH_INFO`. + + If the `charset` is set to `None` bytes are returned. + + If there are empty segments (``'/foo//bar``) these are ignored but + properly pushed to the `SCRIPT_NAME`: + + >>> env = {'SCRIPT_NAME': '/foo', 'PATH_INFO': '/a/b'} + >>> pop_path_info(env) + 'a' + >>> env['SCRIPT_NAME'] + '/foo/a' + >>> pop_path_info(env) + 'b' + >>> env['SCRIPT_NAME'] + '/foo/a/b' + + .. versionadded:: 0.5 + + .. versionchanged:: 0.9 + The path is now decoded and a charset and encoding + parameter can be provided. + + :param environ: the WSGI environment that is modified. + :param charset: The ``encoding`` parameter passed to + :func:`bytes.decode`. + :param errors: The ``errors`` paramater passed to + :func:`bytes.decode`. + """ + path = environ.get("PATH_INFO") + if not path: + return None + + script_name = environ.get("SCRIPT_NAME", "") + + # shift multiple leading slashes over + old_path = path + path = path.lstrip("/") + if path != old_path: + script_name += "/" * (len(old_path) - len(path)) + + if "/" not in path: + environ["PATH_INFO"] = "" + environ["SCRIPT_NAME"] = script_name + path + rv = path.encode("latin1") + else: + segment, path = path.split("/", 1) + environ["PATH_INFO"] = f"/{path}" + environ["SCRIPT_NAME"] = script_name + segment + rv = segment.encode("latin1") + + return _to_str(rv, charset, errors, allow_none_charset=True) # type: ignore + + +def peek_path_info( + environ: "WSGIEnvironment", charset: str = "utf-8", errors: str = "replace" +) -> t.Optional[str]: + """Returns the next segment on the `PATH_INFO` or `None` if there + is none. Works like :func:`pop_path_info` without modifying the + environment: + + >>> env = {'SCRIPT_NAME': '/foo', 'PATH_INFO': '/a/b'} + >>> peek_path_info(env) + 'a' + >>> peek_path_info(env) + 'a' + + If the `charset` is set to `None` bytes are returned. + + .. versionadded:: 0.5 + + .. versionchanged:: 0.9 + The path is now decoded and a charset and encoding + parameter can be provided. + + :param environ: the WSGI environment that is checked. + """ + segments = environ.get("PATH_INFO", "").lstrip("/").split("/", 1) + if segments: + return _to_str( # type: ignore + segments[0].encode("latin1"), charset, errors, allow_none_charset=True + ) + return None + + +def extract_path_info( + environ_or_baseurl: t.Union[str, "WSGIEnvironment"], + path_or_url: t.Union[str, _URLTuple], + charset: str = "utf-8", + errors: str = "werkzeug.url_quote", + collapse_http_schemes: bool = True, +) -> t.Optional[str]: + """Extracts the path info from the given URL (or WSGI environment) and + path. The path info returned is a string. The URLs might also be IRIs. + + If the path info could not be determined, `None` is returned. + + Some examples: + + >>> extract_path_info('http://example.com/app', '/app/hello') + '/hello' + >>> extract_path_info('http://example.com/app', + ... 'https://example.com/app/hello') + '/hello' + >>> extract_path_info('http://example.com/app', + ... 'https://example.com/app/hello', + ... collapse_http_schemes=False) is None + True + + Instead of providing a base URL you can also pass a WSGI environment. + + :param environ_or_baseurl: a WSGI environment dict, a base URL or + base IRI. This is the root of the + application. + :param path_or_url: an absolute path from the server root, a + relative path (in which case it's the path info) + or a full URL. + :param charset: the charset for byte data in URLs + :param errors: the error handling on decode + :param collapse_http_schemes: if set to `False` the algorithm does + not assume that http and https on the + same server point to the same + resource. + + .. versionchanged:: 0.15 + The ``errors`` parameter defaults to leaving invalid bytes + quoted instead of replacing them. + + .. versionadded:: 0.6 + """ + + def _normalize_netloc(scheme: str, netloc: str) -> str: + parts = netloc.split("@", 1)[-1].split(":", 1) + port: t.Optional[str] + + if len(parts) == 2: + netloc, port = parts + if (scheme == "http" and port == "80") or ( + scheme == "https" and port == "443" + ): + port = None + else: + netloc = parts[0] + port = None + + if port is not None: + netloc += f":{port}" + + return netloc + + # make sure whatever we are working on is a IRI and parse it + path = uri_to_iri(path_or_url, charset, errors) + if isinstance(environ_or_baseurl, dict): + environ_or_baseurl = get_current_url(environ_or_baseurl, root_only=True) + base_iri = uri_to_iri(environ_or_baseurl, charset, errors) + base_scheme, base_netloc, base_path = url_parse(base_iri)[:3] + cur_scheme, cur_netloc, cur_path = url_parse(url_join(base_iri, path))[:3] + + # normalize the network location + base_netloc = _normalize_netloc(base_scheme, base_netloc) + cur_netloc = _normalize_netloc(cur_scheme, cur_netloc) + + # is that IRI even on a known HTTP scheme? + if collapse_http_schemes: + for scheme in base_scheme, cur_scheme: + if scheme not in ("http", "https"): + return None + else: + if not (base_scheme in ("http", "https") and base_scheme == cur_scheme): + return None + + # are the netlocs compatible? + if base_netloc != cur_netloc: + return None + + # are we below the application path? + base_path = base_path.rstrip("/") + if not cur_path.startswith(base_path): + return None + + return f"/{cur_path[len(base_path) :].lstrip('/')}" + + +class ClosingIterator: + """The WSGI specification requires that all middlewares and gateways + respect the `close` callback of the iterable returned by the application. + Because it is useful to add another close action to a returned iterable + and adding a custom iterable is a boring task this class can be used for + that:: + + return ClosingIterator(app(environ, start_response), [cleanup_session, + cleanup_locals]) + + If there is just one close function it can be passed instead of the list. + + A closing iterator is not needed if the application uses response objects + and finishes the processing if the response is started:: + + try: + return response(environ, start_response) + finally: + cleanup_session() + cleanup_locals() + """ + + def __init__( + self, + iterable: t.Iterable[bytes], + callbacks: t.Optional[ + t.Union[t.Callable[[], None], t.Iterable[t.Callable[[], None]]] + ] = None, + ) -> None: + iterator = iter(iterable) + self._next = t.cast(t.Callable[[], bytes], partial(next, iterator)) + if callbacks is None: + callbacks = [] + elif callable(callbacks): + callbacks = [callbacks] + else: + callbacks = list(callbacks) + iterable_close = getattr(iterable, "close", None) + if iterable_close: + callbacks.insert(0, iterable_close) + self._callbacks = callbacks + + def __iter__(self) -> "ClosingIterator": + return self + + def __next__(self) -> bytes: + return self._next() + + def close(self) -> None: + for callback in self._callbacks: + callback() + + +def wrap_file( + environ: "WSGIEnvironment", file: t.BinaryIO, buffer_size: int = 8192 +) -> t.Iterable[bytes]: + """Wraps a file. This uses the WSGI server's file wrapper if available + or otherwise the generic :class:`FileWrapper`. + + .. versionadded:: 0.5 + + If the file wrapper from the WSGI server is used it's important to not + iterate over it from inside the application but to pass it through + unchanged. If you want to pass out a file wrapper inside a response + object you have to set :attr:`Response.direct_passthrough` to `True`. + + More information about file wrappers are available in :pep:`333`. + + :param file: a :class:`file`-like object with a :meth:`~file.read` method. + :param buffer_size: number of bytes for one iteration. + """ + return environ.get("wsgi.file_wrapper", FileWrapper)( # type: ignore + file, buffer_size + ) + + +class FileWrapper: + """This class can be used to convert a :class:`file`-like object into + an iterable. It yields `buffer_size` blocks until the file is fully + read. + + You should not use this class directly but rather use the + :func:`wrap_file` function that uses the WSGI server's file wrapper + support if it's available. + + .. versionadded:: 0.5 + + If you're using this object together with a :class:`Response` you have + to use the `direct_passthrough` mode. + + :param file: a :class:`file`-like object with a :meth:`~file.read` method. + :param buffer_size: number of bytes for one iteration. + """ + + def __init__(self, file: t.BinaryIO, buffer_size: int = 8192) -> None: + self.file = file + self.buffer_size = buffer_size + + def close(self) -> None: + if hasattr(self.file, "close"): + self.file.close() + + def seekable(self) -> bool: + if hasattr(self.file, "seekable"): + return self.file.seekable() + if hasattr(self.file, "seek"): + return True + return False + + def seek(self, *args: t.Any) -> None: + if hasattr(self.file, "seek"): + self.file.seek(*args) + + def tell(self) -> t.Optional[int]: + if hasattr(self.file, "tell"): + return self.file.tell() + return None + + def __iter__(self) -> "FileWrapper": + return self + + def __next__(self) -> bytes: + data = self.file.read(self.buffer_size) + if data: + return data + raise StopIteration() + + +class _RangeWrapper: + # private for now, but should we make it public in the future ? + + """This class can be used to convert an iterable object into + an iterable that will only yield a piece of the underlying content. + It yields blocks until the underlying stream range is fully read. + The yielded blocks will have a size that can't exceed the original + iterator defined block size, but that can be smaller. + + If you're using this object together with a :class:`Response` you have + to use the `direct_passthrough` mode. + + :param iterable: an iterable object with a :meth:`__next__` method. + :param start_byte: byte from which read will start. + :param byte_range: how many bytes to read. + """ + + def __init__( + self, + iterable: t.Union[t.Iterable[bytes], t.BinaryIO], + start_byte: int = 0, + byte_range: t.Optional[int] = None, + ): + self.iterable = iter(iterable) + self.byte_range = byte_range + self.start_byte = start_byte + self.end_byte = None + + if byte_range is not None: + self.end_byte = start_byte + byte_range + + self.read_length = 0 + self.seekable = ( + hasattr(iterable, "seekable") and iterable.seekable() # type: ignore + ) + self.end_reached = False + + def __iter__(self) -> "_RangeWrapper": + return self + + def _next_chunk(self) -> bytes: + try: + chunk = next(self.iterable) + self.read_length += len(chunk) + return chunk + except StopIteration: + self.end_reached = True + raise + + def _first_iteration(self) -> t.Tuple[t.Optional[bytes], int]: + chunk = None + if self.seekable: + self.iterable.seek(self.start_byte) # type: ignore + self.read_length = self.iterable.tell() # type: ignore + contextual_read_length = self.read_length + else: + while self.read_length <= self.start_byte: + chunk = self._next_chunk() + if chunk is not None: + chunk = chunk[self.start_byte - self.read_length :] + contextual_read_length = self.start_byte + return chunk, contextual_read_length + + def _next(self) -> bytes: + if self.end_reached: + raise StopIteration() + chunk = None + contextual_read_length = self.read_length + if self.read_length == 0: + chunk, contextual_read_length = self._first_iteration() + if chunk is None: + chunk = self._next_chunk() + if self.end_byte is not None and self.read_length >= self.end_byte: + self.end_reached = True + return chunk[: self.end_byte - contextual_read_length] + return chunk + + def __next__(self) -> bytes: + chunk = self._next() + if chunk: + return chunk + self.end_reached = True + raise StopIteration() + + def close(self) -> None: + if hasattr(self.iterable, "close"): + self.iterable.close() # type: ignore + + +def _make_chunk_iter( + stream: t.Union[t.Iterable[bytes], t.BinaryIO], + limit: t.Optional[int], + buffer_size: int, +) -> t.Iterator[bytes]: + """Helper for the line and chunk iter functions.""" + if isinstance(stream, (bytes, bytearray, str)): + raise TypeError( + "Passed a string or byte object instead of true iterator or stream." + ) + if not hasattr(stream, "read"): + for item in stream: + if item: + yield item + return + stream = t.cast(t.BinaryIO, stream) + if not isinstance(stream, LimitedStream) and limit is not None: + stream = t.cast(t.BinaryIO, LimitedStream(stream, limit)) + _read = stream.read + while True: + item = _read(buffer_size) + if not item: + break + yield item + + +def make_line_iter( + stream: t.Union[t.Iterable[bytes], t.BinaryIO], + limit: t.Optional[int] = None, + buffer_size: int = 10 * 1024, + cap_at_buffer: bool = False, +) -> t.Iterator[bytes]: + """Safely iterates line-based over an input stream. If the input stream + is not a :class:`LimitedStream` the `limit` parameter is mandatory. + + This uses the stream's :meth:`~file.read` method internally as opposite + to the :meth:`~file.readline` method that is unsafe and can only be used + in violation of the WSGI specification. The same problem applies to the + `__iter__` function of the input stream which calls :meth:`~file.readline` + without arguments. + + If you need line-by-line processing it's strongly recommended to iterate + over the input stream using this helper function. + + .. versionchanged:: 0.8 + This function now ensures that the limit was reached. + + .. versionadded:: 0.9 + added support for iterators as input stream. + + .. versionadded:: 0.11.10 + added support for the `cap_at_buffer` parameter. + + :param stream: the stream or iterate to iterate over. + :param limit: the limit in bytes for the stream. (Usually + content length. Not necessary if the `stream` + is a :class:`LimitedStream`. + :param buffer_size: The optional buffer size. + :param cap_at_buffer: if this is set chunks are split if they are longer + than the buffer size. Internally this is implemented + that the buffer size might be exhausted by a factor + of two however. + """ + _iter = _make_chunk_iter(stream, limit, buffer_size) + + first_item = next(_iter, "") + if not first_item: + return + + s = _make_encode_wrapper(first_item) + empty = t.cast(bytes, s("")) + cr = t.cast(bytes, s("\r")) + lf = t.cast(bytes, s("\n")) + crlf = t.cast(bytes, s("\r\n")) + + _iter = t.cast(t.Iterator[bytes], chain((first_item,), _iter)) + + def _iter_basic_lines() -> t.Iterator[bytes]: + _join = empty.join + buffer: t.List[bytes] = [] + while True: + new_data = next(_iter, "") + if not new_data: + break + new_buf: t.List[bytes] = [] + buf_size = 0 + for item in t.cast( + t.Iterator[bytes], chain(buffer, new_data.splitlines(True)) + ): + new_buf.append(item) + buf_size += len(item) + if item and item[-1:] in crlf: + yield _join(new_buf) + new_buf = [] + elif cap_at_buffer and buf_size >= buffer_size: + rv = _join(new_buf) + while len(rv) >= buffer_size: + yield rv[:buffer_size] + rv = rv[buffer_size:] + new_buf = [rv] + buffer = new_buf + if buffer: + yield _join(buffer) + + # This hackery is necessary to merge 'foo\r' and '\n' into one item + # of 'foo\r\n' if we were unlucky and we hit a chunk boundary. + previous = empty + for item in _iter_basic_lines(): + if item == lf and previous[-1:] == cr: + previous += item + item = empty + if previous: + yield previous + previous = item + if previous: + yield previous + + +def make_chunk_iter( + stream: t.Union[t.Iterable[bytes], t.BinaryIO], + separator: bytes, + limit: t.Optional[int] = None, + buffer_size: int = 10 * 1024, + cap_at_buffer: bool = False, +) -> t.Iterator[bytes]: + """Works like :func:`make_line_iter` but accepts a separator + which divides chunks. If you want newline based processing + you should use :func:`make_line_iter` instead as it + supports arbitrary newline markers. + + .. versionadded:: 0.8 + + .. versionadded:: 0.9 + added support for iterators as input stream. + + .. versionadded:: 0.11.10 + added support for the `cap_at_buffer` parameter. + + :param stream: the stream or iterate to iterate over. + :param separator: the separator that divides chunks. + :param limit: the limit in bytes for the stream. (Usually + content length. Not necessary if the `stream` + is otherwise already limited). + :param buffer_size: The optional buffer size. + :param cap_at_buffer: if this is set chunks are split if they are longer + than the buffer size. Internally this is implemented + that the buffer size might be exhausted by a factor + of two however. + """ + _iter = _make_chunk_iter(stream, limit, buffer_size) + + first_item = next(_iter, b"") + if not first_item: + return + + _iter = t.cast(t.Iterator[bytes], chain((first_item,), _iter)) + if isinstance(first_item, str): + separator = _to_str(separator) + _split = re.compile(f"({re.escape(separator)})").split + _join = "".join + else: + separator = _to_bytes(separator) + _split = re.compile(b"(" + re.escape(separator) + b")").split + _join = b"".join + + buffer: t.List[bytes] = [] + while True: + new_data = next(_iter, b"") + if not new_data: + break + chunks = _split(new_data) + new_buf: t.List[bytes] = [] + buf_size = 0 + for item in chain(buffer, chunks): + if item == separator: + yield _join(new_buf) + new_buf = [] + buf_size = 0 + else: + buf_size += len(item) + new_buf.append(item) + + if cap_at_buffer and buf_size >= buffer_size: + rv = _join(new_buf) + while len(rv) >= buffer_size: + yield rv[:buffer_size] + rv = rv[buffer_size:] + new_buf = [rv] + buf_size = len(rv) + + buffer = new_buf + if buffer: + yield _join(buffer) + + +class LimitedStream(io.IOBase): + """Wraps a stream so that it doesn't read more than n bytes. If the + stream is exhausted and the caller tries to get more bytes from it + :func:`on_exhausted` is called which by default returns an empty + string. The return value of that function is forwarded + to the reader function. So if it returns an empty string + :meth:`read` will return an empty string as well. + + The limit however must never be higher than what the stream can + output. Otherwise :meth:`readlines` will try to read past the + limit. + + .. admonition:: Note on WSGI compliance + + calls to :meth:`readline` and :meth:`readlines` are not + WSGI compliant because it passes a size argument to the + readline methods. Unfortunately the WSGI PEP is not safely + implementable without a size argument to :meth:`readline` + because there is no EOF marker in the stream. As a result + of that the use of :meth:`readline` is discouraged. + + For the same reason iterating over the :class:`LimitedStream` + is not portable. It internally calls :meth:`readline`. + + We strongly suggest using :meth:`read` only or using the + :func:`make_line_iter` which safely iterates line-based + over a WSGI input stream. + + :param stream: the stream to wrap. + :param limit: the limit for the stream, must not be longer than + what the string can provide if the stream does not + end with `EOF` (like `wsgi.input`) + """ + + def __init__(self, stream: t.BinaryIO, limit: int) -> None: + self._read = stream.read + self._readline = stream.readline + self._pos = 0 + self.limit = limit + + def __iter__(self) -> "LimitedStream": + return self + + @property + def is_exhausted(self) -> bool: + """If the stream is exhausted this attribute is `True`.""" + return self._pos >= self.limit + + def on_exhausted(self) -> bytes: + """This is called when the stream tries to read past the limit. + The return value of this function is returned from the reading + function. + """ + # Read null bytes from the stream so that we get the + # correct end of stream marker. + return self._read(0) + + def on_disconnect(self) -> bytes: + """What should happen if a disconnect is detected? The return + value of this function is returned from read functions in case + the client went away. By default a + :exc:`~werkzeug.exceptions.ClientDisconnected` exception is raised. + """ + from .exceptions import ClientDisconnected + + raise ClientDisconnected() + + def exhaust(self, chunk_size: int = 1024 * 64) -> None: + """Exhaust the stream. This consumes all the data left until the + limit is reached. + + :param chunk_size: the size for a chunk. It will read the chunk + until the stream is exhausted and throw away + the results. + """ + to_read = self.limit - self._pos + chunk = chunk_size + while to_read > 0: + chunk = min(to_read, chunk) + self.read(chunk) + to_read -= chunk + + def read(self, size: t.Optional[int] = None) -> bytes: + """Read `size` bytes or if size is not provided everything is read. + + :param size: the number of bytes read. + """ + if self._pos >= self.limit: + return self.on_exhausted() + if size is None or size == -1: # -1 is for consistence with file + size = self.limit + to_read = min(self.limit - self._pos, size) + try: + read = self._read(to_read) + except (OSError, ValueError): + return self.on_disconnect() + if to_read and len(read) != to_read: + return self.on_disconnect() + self._pos += len(read) + return read + + def readline(self, size: t.Optional[int] = None) -> bytes: + """Reads one line from the stream.""" + if self._pos >= self.limit: + return self.on_exhausted() + if size is None: + size = self.limit - self._pos + else: + size = min(size, self.limit - self._pos) + try: + line = self._readline(size) + except (ValueError, OSError): + return self.on_disconnect() + if size and not line: + return self.on_disconnect() + self._pos += len(line) + return line + + def readlines(self, size: t.Optional[int] = None) -> t.List[bytes]: + """Reads a file into a list of strings. It calls :meth:`readline` + until the file is read to the end. It does support the optional + `size` argument if the underlying stream supports it for + `readline`. + """ + last_pos = self._pos + result = [] + if size is not None: + end = min(self.limit, last_pos + size) + else: + end = self.limit + while True: + if size is not None: + size -= last_pos - self._pos + if self._pos >= end: + break + result.append(self.readline(size)) + if size is not None: + last_pos = self._pos + return result + + def tell(self) -> int: + """Returns the position of the stream. + + .. versionadded:: 0.9 + """ + return self._pos + + def __next__(self) -> bytes: + line = self.readline() + if not line: + raise StopIteration() + return line + + def readable(self) -> bool: + return True diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/PKG-INFO b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/PKG-INFO new file mode 100644 index 0000000..1d2a79b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/PKG-INFO @@ -0,0 +1,167 @@ +Metadata-Version: 1.1 +Name: wrapt +Version: 1.12.1 +Summary: Module for decorators, wrappers and monkey patching. +Home-page: https://github.com/GrahamDumpleton/wrapt +Author: Graham Dumpleton +Author-email: Graham.Dumpleton@gmail.com +License: BSD +Description: wrapt + ===== + + |Travis| |AppVeyor| |Coveralls| |PyPI| + + The aim of the **wrapt** module is to provide a transparent object proxy + for Python, which can be used as the basis for the construction of function + wrappers and decorator functions. + + The **wrapt** module focuses very much on correctness. It therefore goes + way beyond existing mechanisms such as ``functools.wraps()`` to ensure that + decorators preserve introspectability, signatures, type checking abilities + etc. The decorators that can be constructed using this module will work in + far more scenarios than typical decorators and provide more predictable and + consistent behaviour. + + To ensure that the overhead is as minimal as possible, a C extension module + is used for performance critical components. An automatic fallback to a + pure Python implementation is also provided where a target system does not + have a compiler to allow the C extension to be compiled. + + Documentation + ------------- + + For further information on the **wrapt** module see: + + * http://wrapt.readthedocs.org/ + + Quick Start + ----------- + + To implement your decorator you need to first define a wrapper function. + This will be called each time a decorated function is called. The wrapper + function needs to take four positional arguments: + + * ``wrapped`` - The wrapped function which in turns needs to be called by your wrapper function. + * ``instance`` - The object to which the wrapped function was bound when it was called. + * ``args`` - The list of positional arguments supplied when the decorated function was called. + * ``kwargs`` - The dictionary of keyword arguments supplied when the decorated function was called. + + The wrapper function would do whatever it needs to, but would usually in + turn call the wrapped function that is passed in via the ``wrapped`` + argument. + + The decorator ``@wrapt.decorator`` then needs to be applied to the wrapper + function to convert it into a decorator which can in turn be applied to + other functions. + + :: + + import wrapt + + @wrapt.decorator + def pass_through(wrapped, instance, args, kwargs): + return wrapped(*args, **kwargs) + + @pass_through + def function(): + pass + + If you wish to implement a decorator which accepts arguments, then wrap the + definition of the decorator in a function closure. Any arguments supplied + to the outer function when the decorator is applied, will be available to + the inner wrapper when the wrapped function is called. + + :: + + import wrapt + + def with_arguments(myarg1, myarg2): + @wrapt.decorator + def wrapper(wrapped, instance, args, kwargs): + return wrapped(*args, **kwargs) + return wrapper + + @with_arguments(1, 2) + def function(): + pass + + When applied to a normal function or static method, the wrapper function + when called will be passed ``None`` as the ``instance`` argument. + + When applied to an instance method, the wrapper function when called will + be passed the instance of the class the method is being called on as the + ``instance`` argument. This will be the case even when the instance method + was called explicitly via the class and the instance passed as the first + argument. That is, the instance will never be passed as part of ``args``. + + When applied to a class method, the wrapper function when called will be + passed the class type as the ``instance`` argument. + + When applied to a class, the wrapper function when called will be passed + ``None`` as the ``instance`` argument. The ``wrapped`` argument in this + case will be the class. + + The above rules can be summarised with the following example. + + :: + + import inspect + + @wrapt.decorator + def universal(wrapped, instance, args, kwargs): + if instance is None: + if inspect.isclass(wrapped): + # Decorator was applied to a class. + return wrapped(*args, **kwargs) + else: + # Decorator was applied to a function or staticmethod. + return wrapped(*args, **kwargs) + else: + if inspect.isclass(instance): + # Decorator was applied to a classmethod. + return wrapped(*args, **kwargs) + else: + # Decorator was applied to an instancemethod. + return wrapped(*args, **kwargs) + + Using these checks it is therefore possible to create a universal decorator + that can be applied in all situations. It is no longer necessary to create + different variants of decorators for normal functions and instance methods, + or use additional wrappers to convert a function decorator into one that + will work for instance methods. + + In all cases, the wrapped function passed to the wrapper function is called + in the same way, with ``args`` and ``kwargs`` being passed. The + ``instance`` argument doesn't need to be used in calling the wrapped + function. + + Repository + ---------- + + Full source code for the **wrapt** module, including documentation files + and unit tests, can be obtained from github. + + * https://github.com/GrahamDumpleton/wrapt + + .. |Travis| image:: https://travis-ci.org/GrahamDumpleton/wrapt.svg?branch=develop + :target: https://travis-ci.org/GrahamDumpleton/wrapt + .. |Appveyor| image:: https://ci.appveyor.com/api/projects/status/32r7s2skrgm9ubva?svg=true + :target: https://ci.appveyor.com/project/GrahamDumpleton/wrapt/branch/develop + .. |Coveralls| image:: https://img.shields.io/coveralls/GrahamDumpleton/wrapt/develop.svg + :target: https://coveralls.io/github/GrahamDumpleton/wrapt?branch=develop + .. |PyPI| image:: https://img.shields.io/pypi/v/wrapt.svg + :target: https://pypi.python.org/pypi/wrapt + +Platform: UNKNOWN +Classifier: Development Status :: 5 - Production/Stable +Classifier: License :: OSI Approved :: BSD License +Classifier: Programming Language :: Python :: 2 +Classifier: Programming Language :: Python :: 2.7 +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.4 +Classifier: Programming Language :: Python :: 3.5 +Classifier: Programming Language :: Python :: 3.6 +Classifier: Programming Language :: Python :: 3.7 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: Implementation :: CPython +Classifier: Programming Language :: Python :: Implementation :: PyPy diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/SOURCES.txt b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/SOURCES.txt new file mode 100644 index 0000000..29b22c5 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/SOURCES.txt @@ -0,0 +1,11 @@ +README.rst +setup.py +src/wrapt/__init__.py +src/wrapt/_wrappers.c +src/wrapt/decorators.py +src/wrapt/importer.py +src/wrapt/wrappers.py +src/wrapt.egg-info/PKG-INFO +src/wrapt.egg-info/SOURCES.txt +src/wrapt.egg-info/dependency_links.txt +src/wrapt.egg-info/top_level.txt \ No newline at end of file diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/dependency_links.txt b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/dependency_links.txt new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/dependency_links.txt @@ -0,0 +1 @@ + diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/installed-files.txt b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/installed-files.txt new file mode 100644 index 0000000..9289c7c --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/installed-files.txt @@ -0,0 +1,13 @@ +../wrapt/__init__.py +../wrapt/__pycache__/__init__.cpython-39.pyc +../wrapt/__pycache__/decorators.cpython-39.pyc +../wrapt/__pycache__/importer.cpython-39.pyc +../wrapt/__pycache__/wrappers.cpython-39.pyc +../wrapt/_wrappers.cpython-39-x86_64-linux-gnu.so +../wrapt/decorators.py +../wrapt/importer.py +../wrapt/wrappers.py +PKG-INFO +SOURCES.txt +dependency_links.txt +top_level.txt diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/top_level.txt new file mode 100644 index 0000000..ba11553 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt-1.12.1.egg-info/top_level.txt @@ -0,0 +1 @@ +wrapt diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt/__init__.py b/backend/mb-env/lib/python3.9/site-packages/wrapt/__init__.py new file mode 100644 index 0000000..7be739b --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt/__init__.py @@ -0,0 +1,16 @@ +__version_info__ = ('1', '12', '1') +__version__ = '.'.join(__version_info__) + +from .wrappers import (ObjectProxy, CallableObjectProxy, FunctionWrapper, + BoundFunctionWrapper, WeakFunctionProxy, PartialCallableObjectProxy, + resolve_path, apply_patch, wrap_object, wrap_object_attribute, + function_wrapper, wrap_function_wrapper, patch_function_wrapper, + transient_function_wrapper) + +from .decorators import (adapter_factory, AdapterFactory, decorator, + synchronized) + +from .importer import (register_post_import_hook, when_imported, + notify_module_loaded, discover_post_import_hooks) + +from inspect import getcallargs diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt/_wrappers.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/wrapt/_wrappers.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..4cc64db Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/wrapt/_wrappers.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt/decorators.py b/backend/mb-env/lib/python3.9/site-packages/wrapt/decorators.py new file mode 100644 index 0000000..506303d --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt/decorators.py @@ -0,0 +1,516 @@ +"""This module implements decorators for implementing other decorators +as well as some commonly used decorators. + +""" + +import sys + +PY2 = sys.version_info[0] == 2 + +if PY2: + string_types = basestring, + + def exec_(_code_, _globs_=None, _locs_=None): + """Execute code in a namespace.""" + if _globs_ is None: + frame = sys._getframe(1) + _globs_ = frame.f_globals + if _locs_ is None: + _locs_ = frame.f_locals + del frame + elif _locs_ is None: + _locs_ = _globs_ + exec("""exec _code_ in _globs_, _locs_""") + +else: + string_types = str, + + import builtins + + exec_ = getattr(builtins, "exec") + del builtins + +from functools import partial +from inspect import ismethod, isclass, formatargspec +from collections import namedtuple +from threading import Lock, RLock + +try: + from inspect import signature +except ImportError: + pass + +from .wrappers import (FunctionWrapper, BoundFunctionWrapper, ObjectProxy, + CallableObjectProxy) + +# Adapter wrapper for the wrapped function which will overlay certain +# properties from the adapter function onto the wrapped function so that +# functions such as inspect.getargspec(), inspect.getfullargspec(), +# inspect.signature() and inspect.getsource() return the correct results +# one would expect. + +class _AdapterFunctionCode(CallableObjectProxy): + + def __init__(self, wrapped_code, adapter_code): + super(_AdapterFunctionCode, self).__init__(wrapped_code) + self._self_adapter_code = adapter_code + + @property + def co_argcount(self): + return self._self_adapter_code.co_argcount + + @property + def co_code(self): + return self._self_adapter_code.co_code + + @property + def co_flags(self): + return self._self_adapter_code.co_flags + + @property + def co_kwonlyargcount(self): + return self._self_adapter_code.co_kwonlyargcount + + @property + def co_varnames(self): + return self._self_adapter_code.co_varnames + +class _AdapterFunctionSurrogate(CallableObjectProxy): + + def __init__(self, wrapped, adapter): + super(_AdapterFunctionSurrogate, self).__init__(wrapped) + self._self_adapter = adapter + + @property + def __code__(self): + return _AdapterFunctionCode(self.__wrapped__.__code__, + self._self_adapter.__code__) + + @property + def __defaults__(self): + return self._self_adapter.__defaults__ + + @property + def __kwdefaults__(self): + return self._self_adapter.__kwdefaults__ + + @property + def __signature__(self): + if 'signature' not in globals(): + return self._self_adapter.__signature__ + else: + return signature(self._self_adapter) + + if PY2: + func_code = __code__ + func_defaults = __defaults__ + +class _BoundAdapterWrapper(BoundFunctionWrapper): + + @property + def __func__(self): + return _AdapterFunctionSurrogate(self.__wrapped__.__func__, + self._self_parent._self_adapter) + + @property + def __signature__(self): + if 'signature' not in globals(): + return self.__wrapped__.__signature__ + else: + return signature(self._self_parent._self_adapter) + + if PY2: + im_func = __func__ + +class AdapterWrapper(FunctionWrapper): + + __bound_function_wrapper__ = _BoundAdapterWrapper + + def __init__(self, *args, **kwargs): + adapter = kwargs.pop('adapter') + super(AdapterWrapper, self).__init__(*args, **kwargs) + self._self_surrogate = _AdapterFunctionSurrogate( + self.__wrapped__, adapter) + self._self_adapter = adapter + + @property + def __code__(self): + return self._self_surrogate.__code__ + + @property + def __defaults__(self): + return self._self_surrogate.__defaults__ + + @property + def __kwdefaults__(self): + return self._self_surrogate.__kwdefaults__ + + if PY2: + func_code = __code__ + func_defaults = __defaults__ + + @property + def __signature__(self): + return self._self_surrogate.__signature__ + +class AdapterFactory(object): + def __call__(self, wrapped): + raise NotImplementedError() + +class DelegatedAdapterFactory(AdapterFactory): + def __init__(self, factory): + super(DelegatedAdapterFactory, self).__init__() + self.factory = factory + def __call__(self, wrapped): + return self.factory(wrapped) + +adapter_factory = DelegatedAdapterFactory + +# Decorator for creating other decorators. This decorator and the +# wrappers which they use are designed to properly preserve any name +# attributes, function signatures etc, in addition to the wrappers +# themselves acting like a transparent proxy for the original wrapped +# function so the wrapper is effectively indistinguishable from the +# original wrapped function. + +def decorator(wrapper=None, enabled=None, adapter=None): + # The decorator should be supplied with a single positional argument + # which is the wrapper function to be used to implement the + # decorator. This may be preceded by a step whereby the keyword + # arguments are supplied to customise the behaviour of the + # decorator. The 'adapter' argument is used to optionally denote a + # separate function which is notionally used by an adapter + # decorator. In that case parts of the function '__code__' and + # '__defaults__' attributes are used from the adapter function + # rather than those of the wrapped function. This allows for the + # argument specification from inspect.getargspec() and similar + # functions to be overridden with a prototype for a different + # function than what was wrapped. The 'enabled' argument provides a + # way to enable/disable the use of the decorator. If the type of + # 'enabled' is a boolean, then it is evaluated immediately and the + # wrapper not even applied if it is False. If not a boolean, it will + # be evaluated when the wrapper is called for an unbound wrapper, + # and when binding occurs for a bound wrapper. When being evaluated, + # if 'enabled' is callable it will be called to obtain the value to + # be checked. If False, the wrapper will not be called and instead + # the original wrapped function will be called directly instead. + + if wrapper is not None: + # Helper function for creating wrapper of the appropriate + # time when we need it down below. + + def _build(wrapped, wrapper, enabled=None, adapter=None): + if adapter: + if isinstance(adapter, AdapterFactory): + adapter = adapter(wrapped) + + if not callable(adapter): + ns = {} + if not isinstance(adapter, string_types): + adapter = formatargspec(*adapter) + exec_('def adapter{}: pass'.format(adapter), ns, ns) + adapter = ns['adapter'] + + return AdapterWrapper(wrapped=wrapped, wrapper=wrapper, + enabled=enabled, adapter=adapter) + + return FunctionWrapper(wrapped=wrapped, wrapper=wrapper, + enabled=enabled) + + # The wrapper has been provided so return the final decorator. + # The decorator is itself one of our function wrappers so we + # can determine when it is applied to functions, instance methods + # or class methods. This allows us to bind the instance or class + # method so the appropriate self or cls attribute is supplied + # when it is finally called. + + def _wrapper(wrapped, instance, args, kwargs): + # We first check for the case where the decorator was applied + # to a class type. + # + # @decorator + # class mydecoratorclass(object): + # def __init__(self, arg=None): + # self.arg = arg + # def __call__(self, wrapped, instance, args, kwargs): + # return wrapped(*args, **kwargs) + # + # @mydecoratorclass(arg=1) + # def function(): + # pass + # + # In this case an instance of the class is to be used as the + # decorator wrapper function. If args was empty at this point, + # then it means that there were optional keyword arguments + # supplied to be used when creating an instance of the class + # to be used as the wrapper function. + + if instance is None and isclass(wrapped) and not args: + # We still need to be passed the target function to be + # wrapped as yet, so we need to return a further function + # to be able to capture it. + + def _capture(target_wrapped): + # Now have the target function to be wrapped and need + # to create an instance of the class which is to act + # as the decorator wrapper function. Before we do that, + # we need to first check that use of the decorator + # hadn't been disabled by a simple boolean. If it was, + # the target function to be wrapped is returned instead. + + _enabled = enabled + if type(_enabled) is bool: + if not _enabled: + return target_wrapped + _enabled = None + + # Now create an instance of the class which is to act + # as the decorator wrapper function. Any arguments had + # to be supplied as keyword only arguments so that is + # all we pass when creating it. + + target_wrapper = wrapped(**kwargs) + + # Finally build the wrapper itself and return it. + + return _build(target_wrapped, target_wrapper, + _enabled, adapter) + + return _capture + + # We should always have the target function to be wrapped at + # this point as the first (and only) value in args. + + target_wrapped = args[0] + + # Need to now check that use of the decorator hadn't been + # disabled by a simple boolean. If it was, then target + # function to be wrapped is returned instead. + + _enabled = enabled + if type(_enabled) is bool: + if not _enabled: + return target_wrapped + _enabled = None + + # We now need to build the wrapper, but there are a couple of + # different cases we need to consider. + + if instance is None: + if isclass(wrapped): + # In this case the decorator was applied to a class + # type but optional keyword arguments were not supplied + # for initialising an instance of the class to be used + # as the decorator wrapper function. + # + # @decorator + # class mydecoratorclass(object): + # def __init__(self, arg=None): + # self.arg = arg + # def __call__(self, wrapped, instance, + # args, kwargs): + # return wrapped(*args, **kwargs) + # + # @mydecoratorclass + # def function(): + # pass + # + # We still need to create an instance of the class to + # be used as the decorator wrapper function, but no + # arguments are pass. + + target_wrapper = wrapped() + + else: + # In this case the decorator was applied to a normal + # function, or possibly a static method of a class. + # + # @decorator + # def mydecoratorfuntion(wrapped, instance, + # args, kwargs): + # return wrapped(*args, **kwargs) + # + # @mydecoratorfunction + # def function(): + # pass + # + # That normal function becomes the decorator wrapper + # function. + + target_wrapper = wrapper + + else: + if isclass(instance): + # In this case the decorator was applied to a class + # method. + # + # class myclass(object): + # @decorator + # @classmethod + # def decoratorclassmethod(cls, wrapped, + # instance, args, kwargs): + # return wrapped(*args, **kwargs) + # + # instance = myclass() + # + # @instance.decoratorclassmethod + # def function(): + # pass + # + # This one is a bit strange because binding was actually + # performed on the wrapper created by our decorator + # factory. We need to apply that binding to the decorator + # wrapper function which which the decorator factory + # was applied to. + + target_wrapper = wrapper.__get__(None, instance) + + else: + # In this case the decorator was applied to an instance + # method. + # + # class myclass(object): + # @decorator + # def decoratorclassmethod(self, wrapped, + # instance, args, kwargs): + # return wrapped(*args, **kwargs) + # + # instance = myclass() + # + # @instance.decoratorclassmethod + # def function(): + # pass + # + # This one is a bit strange because binding was actually + # performed on the wrapper created by our decorator + # factory. We need to apply that binding to the decorator + # wrapper function which which the decorator factory + # was applied to. + + target_wrapper = wrapper.__get__(instance, type(instance)) + + # Finally build the wrapper itself and return it. + + return _build(target_wrapped, target_wrapper, _enabled, adapter) + + # We first return our magic function wrapper here so we can + # determine in what context the decorator factory was used. In + # other words, it is itself a universal decorator. The decorator + # function is used as the adapter so that linters see a signature + # corresponding to the decorator and not the wrapper it is being + # applied to. + + return _build(wrapper, _wrapper, adapter=decorator) + + else: + # The wrapper still has not been provided, so we are just + # collecting the optional keyword arguments. Return the + # decorator again wrapped in a partial using the collected + # arguments. + + return partial(decorator, enabled=enabled, adapter=adapter) + +# Decorator for implementing thread synchronization. It can be used as a +# decorator, in which case the synchronization context is determined by +# what type of function is wrapped, or it can also be used as a context +# manager, where the user needs to supply the correct synchronization +# context. It is also possible to supply an object which appears to be a +# synchronization primitive of some sort, by virtue of having release() +# and acquire() methods. In that case that will be used directly as the +# synchronization primitive without creating a separate lock against the +# derived or supplied context. + +def synchronized(wrapped): + # Determine if being passed an object which is a synchronization + # primitive. We can't check by type for Lock, RLock, Semaphore etc, + # as the means of creating them isn't the type. Therefore use the + # existence of acquire() and release() methods. This is more + # extensible anyway as it allows custom synchronization mechanisms. + + if hasattr(wrapped, 'acquire') and hasattr(wrapped, 'release'): + # We remember what the original lock is and then return a new + # decorator which accesses and locks it. When returning the new + # decorator we wrap it with an object proxy so we can override + # the context manager methods in case it is being used to wrap + # synchronized statements with a 'with' statement. + + lock = wrapped + + @decorator + def _synchronized(wrapped, instance, args, kwargs): + # Execute the wrapped function while the original supplied + # lock is held. + + with lock: + return wrapped(*args, **kwargs) + + class _PartialDecorator(CallableObjectProxy): + + def __enter__(self): + lock.acquire() + return lock + + def __exit__(self, *args): + lock.release() + + return _PartialDecorator(wrapped=_synchronized) + + # Following only apply when the lock is being created automatically + # based on the context of what was supplied. In this case we supply + # a final decorator, but need to use FunctionWrapper directly as we + # want to derive from it to add context manager methods in case it is + # being used to wrap synchronized statements with a 'with' statement. + + def _synchronized_lock(context): + # Attempt to retrieve the lock for the specific context. + + lock = vars(context).get('_synchronized_lock', None) + + if lock is None: + # There is no existing lock defined for the context we + # are dealing with so we need to create one. This needs + # to be done in a way to guarantee there is only one + # created, even if multiple threads try and create it at + # the same time. We can't always use the setdefault() + # method on the __dict__ for the context. This is the + # case where the context is a class, as __dict__ is + # actually a dictproxy. What we therefore do is use a + # meta lock on this wrapper itself, to control the + # creation and assignment of the lock attribute against + # the context. + + with synchronized._synchronized_meta_lock: + # We need to check again for whether the lock we want + # exists in case two threads were trying to create it + # at the same time and were competing to create the + # meta lock. + + lock = vars(context).get('_synchronized_lock', None) + + if lock is None: + lock = RLock() + setattr(context, '_synchronized_lock', lock) + + return lock + + def _synchronized_wrapper(wrapped, instance, args, kwargs): + # Execute the wrapped function while the lock for the + # desired context is held. If instance is None then the + # wrapped function is used as the context. + + with _synchronized_lock(instance if instance is not None else wrapped): + return wrapped(*args, **kwargs) + + class _FinalDecorator(FunctionWrapper): + + def __enter__(self): + self._self_lock = _synchronized_lock(self.__wrapped__) + self._self_lock.acquire() + return self._self_lock + + def __exit__(self, *args): + self._self_lock.release() + + return _FinalDecorator(wrapped=wrapped, wrapper=_synchronized_wrapper) + +synchronized._synchronized_meta_lock = Lock() diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt/importer.py b/backend/mb-env/lib/python3.9/site-packages/wrapt/importer.py new file mode 100644 index 0000000..4665f38 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt/importer.py @@ -0,0 +1,230 @@ +"""This module implements a post import hook mechanism styled after what is +described in PEP-369. Note that it doesn't cope with modules being reloaded. + +""" + +import sys +import threading + +PY2 = sys.version_info[0] == 2 + +if PY2: + string_types = basestring, +else: + import importlib + string_types = str, + +from .decorators import synchronized + +# The dictionary registering any post import hooks to be triggered once +# the target module has been imported. Once a module has been imported +# and the hooks fired, the list of hooks recorded against the target +# module will be truncacted but the list left in the dictionary. This +# acts as a flag to indicate that the module had already been imported. + +_post_import_hooks = {} +_post_import_hooks_init = False +_post_import_hooks_lock = threading.RLock() + +# Register a new post import hook for the target module name. This +# differs from the PEP-369 implementation in that it also allows the +# hook function to be specified as a string consisting of the name of +# the callback in the form 'module:function'. This will result in a +# proxy callback being registered which will defer loading of the +# specified module containing the callback function until required. + +def _create_import_hook_from_string(name): + def import_hook(module): + module_name, function = name.split(':') + attrs = function.split('.') + __import__(module_name) + callback = sys.modules[module_name] + for attr in attrs: + callback = getattr(callback, attr) + return callback(module) + return import_hook + +@synchronized(_post_import_hooks_lock) +def register_post_import_hook(hook, name): + # Create a deferred import hook if hook is a string name rather than + # a callable function. + + if isinstance(hook, string_types): + hook = _create_import_hook_from_string(hook) + + # Automatically install the import hook finder if it has not already + # been installed. + + global _post_import_hooks_init + + if not _post_import_hooks_init: + _post_import_hooks_init = True + sys.meta_path.insert(0, ImportHookFinder()) + + # Determine if any prior registration of a post import hook for + # the target modules has occurred and act appropriately. + + hooks = _post_import_hooks.get(name, None) + + if hooks is None: + # No prior registration of post import hooks for the target + # module. We need to check whether the module has already been + # imported. If it has we fire the hook immediately and add an + # empty list to the registry to indicate that the module has + # already been imported and hooks have fired. Otherwise add + # the post import hook to the registry. + + module = sys.modules.get(name, None) + + if module is not None: + _post_import_hooks[name] = [] + hook(module) + + else: + _post_import_hooks[name] = [hook] + + elif hooks == []: + # A prior registration of port import hooks for the target + # module was done and the hooks already fired. Fire the hook + # immediately. + + module = sys.modules[name] + hook(module) + + else: + # A prior registration of port import hooks for the target + # module was done but the module has not yet been imported. + + _post_import_hooks[name].append(hook) + +# Register post import hooks defined as package entry points. + +def _create_import_hook_from_entrypoint(entrypoint): + def import_hook(module): + __import__(entrypoint.module_name) + callback = sys.modules[entrypoint.module_name] + for attr in entrypoint.attrs: + callback = getattr(callback, attr) + return callback(module) + return import_hook + +def discover_post_import_hooks(group): + try: + import pkg_resources + except ImportError: + return + + for entrypoint in pkg_resources.iter_entry_points(group=group): + callback = _create_import_hook_from_entrypoint(entrypoint) + register_post_import_hook(callback, entrypoint.name) + +# Indicate that a module has been loaded. Any post import hooks which +# were registered against the target module will be invoked. If an +# exception is raised in any of the post import hooks, that will cause +# the import of the target module to fail. + +@synchronized(_post_import_hooks_lock) +def notify_module_loaded(module): + name = getattr(module, '__name__', None) + hooks = _post_import_hooks.get(name, None) + + if hooks: + _post_import_hooks[name] = [] + + for hook in hooks: + hook(module) + +# A custom module import finder. This intercepts attempts to import +# modules and watches out for attempts to import target modules of +# interest. When a module of interest is imported, then any post import +# hooks which are registered will be invoked. + +class _ImportHookLoader: + + def load_module(self, fullname): + module = sys.modules[fullname] + notify_module_loaded(module) + + return module + +class _ImportHookChainedLoader: + + def __init__(self, loader): + self.loader = loader + + def load_module(self, fullname): + module = self.loader.load_module(fullname) + notify_module_loaded(module) + + return module + +class ImportHookFinder: + + def __init__(self): + self.in_progress = {} + + @synchronized(_post_import_hooks_lock) + def find_module(self, fullname, path=None): + # If the module being imported is not one we have registered + # post import hooks for, we can return immediately. We will + # take no further part in the importing of this module. + + if not fullname in _post_import_hooks: + return None + + # When we are interested in a specific module, we will call back + # into the import system a second time to defer to the import + # finder that is supposed to handle the importing of the module. + # We set an in progress flag for the target module so that on + # the second time through we don't trigger another call back + # into the import system and cause a infinite loop. + + if fullname in self.in_progress: + return None + + self.in_progress[fullname] = True + + # Now call back into the import system again. + + try: + if PY2: + # For Python 2 we don't have much choice but to + # call back in to __import__(). This will + # actually cause the module to be imported. If no + # module could be found then ImportError will be + # raised. Otherwise we return a loader which + # returns the already loaded module and invokes + # the post import hooks. + + __import__(fullname) + + return _ImportHookLoader() + + else: + # For Python 3 we need to use find_spec().loader + # from the importlib.util module. It doesn't actually + # import the target module and only finds the + # loader. If a loader is found, we need to return + # our own loader which will then in turn call the + # real loader to import the module and invoke the + # post import hooks. + try: + import importlib.util + loader = importlib.util.find_spec(fullname).loader + except (ImportError, AttributeError): + loader = importlib.find_loader(fullname, path) + if loader: + return _ImportHookChainedLoader(loader) + + + finally: + del self.in_progress[fullname] + +# Decorator for marking that a function should be called as a post +# import hook when the target module is imported. + +def when_imported(name): + def register(hook): + register_post_import_hook(hook, name) + return hook + return register diff --git a/backend/mb-env/lib/python3.9/site-packages/wrapt/wrappers.py b/backend/mb-env/lib/python3.9/site-packages/wrapt/wrappers.py new file mode 100644 index 0000000..18cf5e0 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/wrapt/wrappers.py @@ -0,0 +1,947 @@ +import os +import sys +import functools +import operator +import weakref +import inspect + +PY2 = sys.version_info[0] == 2 + +if PY2: + string_types = basestring, +else: + string_types = str, + +def with_metaclass(meta, *bases): + """Create a base class with a metaclass.""" + return meta("NewBase", bases, {}) + +class _ObjectProxyMethods(object): + + # We use properties to override the values of __module__ and + # __doc__. If we add these in ObjectProxy, the derived class + # __dict__ will still be setup to have string variants of these + # attributes and the rules of descriptors means that they appear to + # take precedence over the properties in the base class. To avoid + # that, we copy the properties into the derived class type itself + # via a meta class. In that way the properties will always take + # precedence. + + @property + def __module__(self): + return self.__wrapped__.__module__ + + @__module__.setter + def __module__(self, value): + self.__wrapped__.__module__ = value + + @property + def __doc__(self): + return self.__wrapped__.__doc__ + + @__doc__.setter + def __doc__(self, value): + self.__wrapped__.__doc__ = value + + # We similar use a property for __dict__. We need __dict__ to be + # explicit to ensure that vars() works as expected. + + @property + def __dict__(self): + return self.__wrapped__.__dict__ + + # Need to also propagate the special __weakref__ attribute for case + # where decorating classes which will define this. If do not define + # it and use a function like inspect.getmembers() on a decorator + # class it will fail. This can't be in the derived classes. + + @property + def __weakref__(self): + return self.__wrapped__.__weakref__ + +class _ObjectProxyMetaType(type): + def __new__(cls, name, bases, dictionary): + # Copy our special properties into the class so that they + # always take precedence over attributes of the same name added + # during construction of a derived class. This is to save + # duplicating the implementation for them in all derived classes. + + dictionary.update(vars(_ObjectProxyMethods)) + + return type.__new__(cls, name, bases, dictionary) + +class ObjectProxy(with_metaclass(_ObjectProxyMetaType)): + + __slots__ = '__wrapped__' + + def __init__(self, wrapped): + object.__setattr__(self, '__wrapped__', wrapped) + + # Python 3.2+ has the __qualname__ attribute, but it does not + # allow it to be overridden using a property and it must instead + # be an actual string object instead. + + try: + object.__setattr__(self, '__qualname__', wrapped.__qualname__) + except AttributeError: + pass + + @property + def __name__(self): + return self.__wrapped__.__name__ + + @__name__.setter + def __name__(self, value): + self.__wrapped__.__name__ = value + + @property + def __class__(self): + return self.__wrapped__.__class__ + + @__class__.setter + def __class__(self, value): + self.__wrapped__.__class__ = value + + @property + def __annotations__(self): + return self.__wrapped__.__annotations__ + + @__annotations__.setter + def __annotations__(self, value): + self.__wrapped__.__annotations__ = value + + def __dir__(self): + return dir(self.__wrapped__) + + def __str__(self): + return str(self.__wrapped__) + + if not PY2: + def __bytes__(self): + return bytes(self.__wrapped__) + + def __repr__(self): + return '<{} at 0x{:x} for {} at 0x{:x}>'.format( + type(self).__name__, id(self), + type(self.__wrapped__).__name__, + id(self.__wrapped__)) + + def __reversed__(self): + return reversed(self.__wrapped__) + + if not PY2: + def __round__(self): + return round(self.__wrapped__) + + if sys.hexversion >= 0x03070000: + def __mro_entries__(self, bases): + return (self.__wrapped__,) + + def __lt__(self, other): + return self.__wrapped__ < other + + def __le__(self, other): + return self.__wrapped__ <= other + + def __eq__(self, other): + return self.__wrapped__ == other + + def __ne__(self, other): + return self.__wrapped__ != other + + def __gt__(self, other): + return self.__wrapped__ > other + + def __ge__(self, other): + return self.__wrapped__ >= other + + def __hash__(self): + return hash(self.__wrapped__) + + def __nonzero__(self): + return bool(self.__wrapped__) + + def __bool__(self): + return bool(self.__wrapped__) + + def __setattr__(self, name, value): + if name.startswith('_self_'): + object.__setattr__(self, name, value) + + elif name == '__wrapped__': + object.__setattr__(self, name, value) + try: + object.__delattr__(self, '__qualname__') + except AttributeError: + pass + try: + object.__setattr__(self, '__qualname__', value.__qualname__) + except AttributeError: + pass + + elif name == '__qualname__': + setattr(self.__wrapped__, name, value) + object.__setattr__(self, name, value) + + elif hasattr(type(self), name): + object.__setattr__(self, name, value) + + else: + setattr(self.__wrapped__, name, value) + + def __getattr__(self, name): + # If we are being to lookup '__wrapped__' then the + # '__init__()' method cannot have been called. + + if name == '__wrapped__': + raise ValueError('wrapper has not been initialised') + + return getattr(self.__wrapped__, name) + + def __delattr__(self, name): + if name.startswith('_self_'): + object.__delattr__(self, name) + + elif name == '__wrapped__': + raise TypeError('__wrapped__ must be an object') + + elif name == '__qualname__': + object.__delattr__(self, name) + delattr(self.__wrapped__, name) + + elif hasattr(type(self), name): + object.__delattr__(self, name) + + else: + delattr(self.__wrapped__, name) + + def __add__(self, other): + return self.__wrapped__ + other + + def __sub__(self, other): + return self.__wrapped__ - other + + def __mul__(self, other): + return self.__wrapped__ * other + + def __div__(self, other): + return operator.div(self.__wrapped__, other) + + def __truediv__(self, other): + return operator.truediv(self.__wrapped__, other) + + def __floordiv__(self, other): + return self.__wrapped__ // other + + def __mod__(self, other): + return self.__wrapped__ % other + + def __divmod__(self, other): + return divmod(self.__wrapped__, other) + + def __pow__(self, other, *args): + return pow(self.__wrapped__, other, *args) + + def __lshift__(self, other): + return self.__wrapped__ << other + + def __rshift__(self, other): + return self.__wrapped__ >> other + + def __and__(self, other): + return self.__wrapped__ & other + + def __xor__(self, other): + return self.__wrapped__ ^ other + + def __or__(self, other): + return self.__wrapped__ | other + + def __radd__(self, other): + return other + self.__wrapped__ + + def __rsub__(self, other): + return other - self.__wrapped__ + + def __rmul__(self, other): + return other * self.__wrapped__ + + def __rdiv__(self, other): + return operator.div(other, self.__wrapped__) + + def __rtruediv__(self, other): + return operator.truediv(other, self.__wrapped__) + + def __rfloordiv__(self, other): + return other // self.__wrapped__ + + def __rmod__(self, other): + return other % self.__wrapped__ + + def __rdivmod__(self, other): + return divmod(other, self.__wrapped__) + + def __rpow__(self, other, *args): + return pow(other, self.__wrapped__, *args) + + def __rlshift__(self, other): + return other << self.__wrapped__ + + def __rrshift__(self, other): + return other >> self.__wrapped__ + + def __rand__(self, other): + return other & self.__wrapped__ + + def __rxor__(self, other): + return other ^ self.__wrapped__ + + def __ror__(self, other): + return other | self.__wrapped__ + + def __iadd__(self, other): + self.__wrapped__ += other + return self + + def __isub__(self, other): + self.__wrapped__ -= other + return self + + def __imul__(self, other): + self.__wrapped__ *= other + return self + + def __idiv__(self, other): + self.__wrapped__ = operator.idiv(self.__wrapped__, other) + return self + + def __itruediv__(self, other): + self.__wrapped__ = operator.itruediv(self.__wrapped__, other) + return self + + def __ifloordiv__(self, other): + self.__wrapped__ //= other + return self + + def __imod__(self, other): + self.__wrapped__ %= other + return self + + def __ipow__(self, other): + self.__wrapped__ **= other + return self + + def __ilshift__(self, other): + self.__wrapped__ <<= other + return self + + def __irshift__(self, other): + self.__wrapped__ >>= other + return self + + def __iand__(self, other): + self.__wrapped__ &= other + return self + + def __ixor__(self, other): + self.__wrapped__ ^= other + return self + + def __ior__(self, other): + self.__wrapped__ |= other + return self + + def __neg__(self): + return -self.__wrapped__ + + def __pos__(self): + return +self.__wrapped__ + + def __abs__(self): + return abs(self.__wrapped__) + + def __invert__(self): + return ~self.__wrapped__ + + def __int__(self): + return int(self.__wrapped__) + + def __long__(self): + return long(self.__wrapped__) + + def __float__(self): + return float(self.__wrapped__) + + def __complex__(self): + return complex(self.__wrapped__) + + def __oct__(self): + return oct(self.__wrapped__) + + def __hex__(self): + return hex(self.__wrapped__) + + def __index__(self): + return operator.index(self.__wrapped__) + + def __len__(self): + return len(self.__wrapped__) + + def __contains__(self, value): + return value in self.__wrapped__ + + def __getitem__(self, key): + return self.__wrapped__[key] + + def __setitem__(self, key, value): + self.__wrapped__[key] = value + + def __delitem__(self, key): + del self.__wrapped__[key] + + def __getslice__(self, i, j): + return self.__wrapped__[i:j] + + def __setslice__(self, i, j, value): + self.__wrapped__[i:j] = value + + def __delslice__(self, i, j): + del self.__wrapped__[i:j] + + def __enter__(self): + return self.__wrapped__.__enter__() + + def __exit__(self, *args, **kwargs): + return self.__wrapped__.__exit__(*args, **kwargs) + + def __iter__(self): + return iter(self.__wrapped__) + + def __copy__(self): + raise NotImplementedError('object proxy must define __copy__()') + + def __deepcopy__(self, memo): + raise NotImplementedError('object proxy must define __deepcopy__()') + + def __reduce__(self): + raise NotImplementedError( + 'object proxy must define __reduce_ex__()') + + def __reduce_ex__(self, protocol): + raise NotImplementedError( + 'object proxy must define __reduce_ex__()') + +class CallableObjectProxy(ObjectProxy): + + def __call__(self, *args, **kwargs): + return self.__wrapped__(*args, **kwargs) + +class PartialCallableObjectProxy(ObjectProxy): + + def __init__(self, *args, **kwargs): + if len(args) < 1: + raise TypeError('partial type takes at least one argument') + + wrapped, args = args[0], args[1:] + + if not callable(wrapped): + raise TypeError('the first argument must be callable') + + super(PartialCallableObjectProxy, self).__init__(wrapped) + + self._self_args = args + self._self_kwargs = kwargs + + def __call__(self, *args, **kwargs): + _args = self._self_args + args + + _kwargs = dict(self._self_kwargs) + _kwargs.update(kwargs) + + return self.__wrapped__(*_args, **_kwargs) + +class _FunctionWrapperBase(ObjectProxy): + + __slots__ = ('_self_instance', '_self_wrapper', '_self_enabled', + '_self_binding', '_self_parent') + + def __init__(self, wrapped, instance, wrapper, enabled=None, + binding='function', parent=None): + + super(_FunctionWrapperBase, self).__init__(wrapped) + + object.__setattr__(self, '_self_instance', instance) + object.__setattr__(self, '_self_wrapper', wrapper) + object.__setattr__(self, '_self_enabled', enabled) + object.__setattr__(self, '_self_binding', binding) + object.__setattr__(self, '_self_parent', parent) + + def __get__(self, instance, owner): + # This method is actually doing double duty for both unbound and + # bound derived wrapper classes. It should possibly be broken up + # and the distinct functionality moved into the derived classes. + # Can't do that straight away due to some legacy code which is + # relying on it being here in this base class. + # + # The distinguishing attribute which determines whether we are + # being called in an unbound or bound wrapper is the parent + # attribute. If binding has never occurred, then the parent will + # be None. + # + # First therefore, is if we are called in an unbound wrapper. In + # this case we perform the binding. + # + # We have one special case to worry about here. This is where we + # are decorating a nested class. In this case the wrapped class + # would not have a __get__() method to call. In that case we + # simply return self. + # + # Note that we otherwise still do binding even if instance is + # None and accessing an unbound instance method from a class. + # This is because we need to be able to later detect that + # specific case as we will need to extract the instance from the + # first argument of those passed in. + + if self._self_parent is None: + if not inspect.isclass(self.__wrapped__): + descriptor = self.__wrapped__.__get__(instance, owner) + + return self.__bound_function_wrapper__(descriptor, instance, + self._self_wrapper, self._self_enabled, + self._self_binding, self) + + return self + + # Now we have the case of binding occurring a second time on what + # was already a bound function. In this case we would usually + # return ourselves again. This mirrors what Python does. + # + # The special case this time is where we were originally bound + # with an instance of None and we were likely an instance + # method. In that case we rebind against the original wrapped + # function from the parent again. + + if self._self_instance is None and self._self_binding == 'function': + descriptor = self._self_parent.__wrapped__.__get__( + instance, owner) + + return self._self_parent.__bound_function_wrapper__( + descriptor, instance, self._self_wrapper, + self._self_enabled, self._self_binding, + self._self_parent) + + return self + + def __call__(self, *args, **kwargs): + # If enabled has been specified, then evaluate it at this point + # and if the wrapper is not to be executed, then simply return + # the bound function rather than a bound wrapper for the bound + # function. When evaluating enabled, if it is callable we call + # it, otherwise we evaluate it as a boolean. + + if self._self_enabled is not None: + if callable(self._self_enabled): + if not self._self_enabled(): + return self.__wrapped__(*args, **kwargs) + elif not self._self_enabled: + return self.__wrapped__(*args, **kwargs) + + # This can occur where initial function wrapper was applied to + # a function that was already bound to an instance. In that case + # we want to extract the instance from the function and use it. + + if self._self_binding == 'function': + if self._self_instance is None: + instance = getattr(self.__wrapped__, '__self__', None) + if instance is not None: + return self._self_wrapper(self.__wrapped__, instance, + args, kwargs) + + # This is generally invoked when the wrapped function is being + # called as a normal function and is not bound to a class as an + # instance method. This is also invoked in the case where the + # wrapped function was a method, but this wrapper was in turn + # wrapped using the staticmethod decorator. + + return self._self_wrapper(self.__wrapped__, self._self_instance, + args, kwargs) + +class BoundFunctionWrapper(_FunctionWrapperBase): + + def __call__(self, *args, **kwargs): + # If enabled has been specified, then evaluate it at this point + # and if the wrapper is not to be executed, then simply return + # the bound function rather than a bound wrapper for the bound + # function. When evaluating enabled, if it is callable we call + # it, otherwise we evaluate it as a boolean. + + if self._self_enabled is not None: + if callable(self._self_enabled): + if not self._self_enabled(): + return self.__wrapped__(*args, **kwargs) + elif not self._self_enabled: + return self.__wrapped__(*args, **kwargs) + + # We need to do things different depending on whether we are + # likely wrapping an instance method vs a static method or class + # method. + + if self._self_binding == 'function': + if self._self_instance is None: + # This situation can occur where someone is calling the + # instancemethod via the class type and passing the instance + # as the first argument. We need to shift the args before + # making the call to the wrapper and effectively bind the + # instance to the wrapped function using a partial so the + # wrapper doesn't see anything as being different. + + if not args: + raise TypeError('missing 1 required positional argument') + + instance, args = args[0], args[1:] + wrapped = PartialCallableObjectProxy(self.__wrapped__, instance) + return self._self_wrapper(wrapped, instance, args, kwargs) + + return self._self_wrapper(self.__wrapped__, self._self_instance, + args, kwargs) + + else: + # As in this case we would be dealing with a classmethod or + # staticmethod, then _self_instance will only tell us whether + # when calling the classmethod or staticmethod they did it via an + # instance of the class it is bound to and not the case where + # done by the class type itself. We thus ignore _self_instance + # and use the __self__ attribute of the bound function instead. + # For a classmethod, this means instance will be the class type + # and for a staticmethod it will be None. This is probably the + # more useful thing we can pass through even though we loose + # knowledge of whether they were called on the instance vs the + # class type, as it reflects what they have available in the + # decoratored function. + + instance = getattr(self.__wrapped__, '__self__', None) + + return self._self_wrapper(self.__wrapped__, instance, args, + kwargs) + +class FunctionWrapper(_FunctionWrapperBase): + + __bound_function_wrapper__ = BoundFunctionWrapper + + def __init__(self, wrapped, wrapper, enabled=None): + # What it is we are wrapping here could be anything. We need to + # try and detect specific cases though. In particular, we need + # to detect when we are given something that is a method of a + # class. Further, we need to know when it is likely an instance + # method, as opposed to a class or static method. This can + # become problematic though as there isn't strictly a fool proof + # method of knowing. + # + # The situations we could encounter when wrapping a method are: + # + # 1. The wrapper is being applied as part of a decorator which + # is a part of the class definition. In this case what we are + # given is the raw unbound function, classmethod or staticmethod + # wrapper objects. + # + # The problem here is that we will not know we are being applied + # in the context of the class being set up. This becomes + # important later for the case of an instance method, because in + # that case we just see it as a raw function and can't + # distinguish it from wrapping a normal function outside of + # a class context. + # + # 2. The wrapper is being applied when performing monkey + # patching of the class type afterwards and the method to be + # wrapped was retrieved direct from the __dict__ of the class + # type. This is effectively the same as (1) above. + # + # 3. The wrapper is being applied when performing monkey + # patching of the class type afterwards and the method to be + # wrapped was retrieved from the class type. In this case + # binding will have been performed where the instance against + # which the method is bound will be None at that point. + # + # This case is a problem because we can no longer tell if the + # method was a static method, plus if using Python3, we cannot + # tell if it was an instance method as the concept of an + # unnbound method no longer exists. + # + # 4. The wrapper is being applied when performing monkey + # patching of an instance of a class. In this case binding will + # have been perfomed where the instance was not None. + # + # This case is a problem because we can no longer tell if the + # method was a static method. + # + # Overall, the best we can do is look at the original type of the + # object which was wrapped prior to any binding being done and + # see if it is an instance of classmethod or staticmethod. In + # the case where other decorators are between us and them, if + # they do not propagate the __class__ attribute so that the + # isinstance() checks works, then likely this will do the wrong + # thing where classmethod and staticmethod are used. + # + # Since it is likely to be very rare that anyone even puts + # decorators around classmethod and staticmethod, likelihood of + # that being an issue is very small, so we accept it and suggest + # that those other decorators be fixed. It is also only an issue + # if a decorator wants to actually do things with the arguments. + # + # As to not being able to identify static methods properly, we + # just hope that that isn't something people are going to want + # to wrap, or if they do suggest they do it the correct way by + # ensuring that it is decorated in the class definition itself, + # or patch it in the __dict__ of the class type. + # + # So to get the best outcome we can, whenever we aren't sure what + # it is, we label it as a 'function'. If it was already bound and + # that is rebound later, we assume that it will be an instance + # method and try an cope with the possibility that the 'self' + # argument it being passed as an explicit argument and shuffle + # the arguments around to extract 'self' for use as the instance. + + if isinstance(wrapped, classmethod): + binding = 'classmethod' + + elif isinstance(wrapped, staticmethod): + binding = 'staticmethod' + + elif hasattr(wrapped, '__self__'): + if inspect.isclass(wrapped.__self__): + binding = 'classmethod' + else: + binding = 'function' + + else: + binding = 'function' + + super(FunctionWrapper, self).__init__(wrapped, None, wrapper, + enabled, binding) + +try: + if not os.environ.get('WRAPT_DISABLE_EXTENSIONS'): + from ._wrappers import (ObjectProxy, CallableObjectProxy, + PartialCallableObjectProxy, FunctionWrapper, + BoundFunctionWrapper, _FunctionWrapperBase) +except ImportError: + pass + +# Helper functions for applying wrappers to existing functions. + +def resolve_path(module, name): + if isinstance(module, string_types): + __import__(module) + module = sys.modules[module] + + parent = module + + path = name.split('.') + attribute = path[0] + + # We can't just always use getattr() because in doing + # that on a class it will cause binding to occur which + # will complicate things later and cause some things not + # to work. For the case of a class we therefore access + # the __dict__ directly. To cope though with the wrong + # class being given to us, or a method being moved into + # a base class, we need to walk the class hierarchy to + # work out exactly which __dict__ the method was defined + # in, as accessing it from __dict__ will fail if it was + # not actually on the class given. Fallback to using + # getattr() if we can't find it. If it truly doesn't + # exist, then that will fail. + + def lookup_attribute(parent, attribute): + if inspect.isclass(parent): + for cls in inspect.getmro(parent): + if attribute in vars(cls): + return vars(cls)[attribute] + else: + return getattr(parent, attribute) + else: + return getattr(parent, attribute) + + original = lookup_attribute(parent, attribute) + + for attribute in path[1:]: + parent = original + original = lookup_attribute(parent, attribute) + + return (parent, attribute, original) + +def apply_patch(parent, attribute, replacement): + setattr(parent, attribute, replacement) + +def wrap_object(module, name, factory, args=(), kwargs={}): + (parent, attribute, original) = resolve_path(module, name) + wrapper = factory(original, *args, **kwargs) + apply_patch(parent, attribute, wrapper) + return wrapper + +# Function for applying a proxy object to an attribute of a class +# instance. The wrapper works by defining an attribute of the same name +# on the class which is a descriptor and which intercepts access to the +# instance attribute. Note that this cannot be used on attributes which +# are themselves defined by a property object. + +class AttributeWrapper(object): + + def __init__(self, attribute, factory, args, kwargs): + self.attribute = attribute + self.factory = factory + self.args = args + self.kwargs = kwargs + + def __get__(self, instance, owner): + value = instance.__dict__[self.attribute] + return self.factory(value, *self.args, **self.kwargs) + + def __set__(self, instance, value): + instance.__dict__[self.attribute] = value + + def __delete__(self, instance): + del instance.__dict__[self.attribute] + +def wrap_object_attribute(module, name, factory, args=(), kwargs={}): + path, attribute = name.rsplit('.', 1) + parent = resolve_path(module, path)[2] + wrapper = AttributeWrapper(attribute, factory, args, kwargs) + apply_patch(parent, attribute, wrapper) + return wrapper + +# Functions for creating a simple decorator using a FunctionWrapper, +# plus short cut functions for applying wrappers to functions. These are +# for use when doing monkey patching. For a more featured way of +# creating decorators see the decorator decorator instead. + +def function_wrapper(wrapper): + def _wrapper(wrapped, instance, args, kwargs): + target_wrapped = args[0] + if instance is None: + target_wrapper = wrapper + elif inspect.isclass(instance): + target_wrapper = wrapper.__get__(None, instance) + else: + target_wrapper = wrapper.__get__(instance, type(instance)) + return FunctionWrapper(target_wrapped, target_wrapper) + return FunctionWrapper(wrapper, _wrapper) + +def wrap_function_wrapper(module, name, wrapper): + return wrap_object(module, name, FunctionWrapper, (wrapper,)) + +def patch_function_wrapper(module, name): + def _wrapper(wrapper): + return wrap_object(module, name, FunctionWrapper, (wrapper,)) + return _wrapper + +def transient_function_wrapper(module, name): + def _decorator(wrapper): + def _wrapper(wrapped, instance, args, kwargs): + target_wrapped = args[0] + if instance is None: + target_wrapper = wrapper + elif inspect.isclass(instance): + target_wrapper = wrapper.__get__(None, instance) + else: + target_wrapper = wrapper.__get__(instance, type(instance)) + def _execute(wrapped, instance, args, kwargs): + (parent, attribute, original) = resolve_path(module, name) + replacement = FunctionWrapper(original, target_wrapper) + setattr(parent, attribute, replacement) + try: + return wrapped(*args, **kwargs) + finally: + setattr(parent, attribute, original) + return FunctionWrapper(target_wrapped, _execute) + return FunctionWrapper(wrapper, _wrapper) + return _decorator + +# A weak function proxy. This will work on instance methods, class +# methods, static methods and regular functions. Special treatment is +# needed for the method types because the bound method is effectively a +# transient object and applying a weak reference to one will immediately +# result in it being destroyed and the weakref callback called. The weak +# reference is therefore applied to the instance the method is bound to +# and the original function. The function is then rebound at the point +# of a call via the weak function proxy. + +def _weak_function_proxy_callback(ref, proxy, callback): + if proxy._self_expired: + return + + proxy._self_expired = True + + # This could raise an exception. We let it propagate back and let + # the weakref.proxy() deal with it, at which point it generally + # prints out a short error message direct to stderr and keeps going. + + if callback is not None: + callback(proxy) + +class WeakFunctionProxy(ObjectProxy): + + __slots__ = ('_self_expired', '_self_instance') + + def __init__(self, wrapped, callback=None): + # We need to determine if the wrapped function is actually a + # bound method. In the case of a bound method, we need to keep a + # reference to the original unbound function and the instance. + # This is necessary because if we hold a reference to the bound + # function, it will be the only reference and given it is a + # temporary object, it will almost immediately expire and + # the weakref callback triggered. So what is done is that we + # hold a reference to the instance and unbound function and + # when called bind the function to the instance once again and + # then call it. Note that we avoid using a nested function for + # the callback here so as not to cause any odd reference cycles. + + _callback = callback and functools.partial( + _weak_function_proxy_callback, proxy=self, + callback=callback) + + self._self_expired = False + + if isinstance(wrapped, _FunctionWrapperBase): + self._self_instance = weakref.ref(wrapped._self_instance, + _callback) + + if wrapped._self_parent is not None: + super(WeakFunctionProxy, self).__init__( + weakref.proxy(wrapped._self_parent, _callback)) + + else: + super(WeakFunctionProxy, self).__init__( + weakref.proxy(wrapped, _callback)) + + return + + try: + self._self_instance = weakref.ref(wrapped.__self__, _callback) + + super(WeakFunctionProxy, self).__init__( + weakref.proxy(wrapped.__func__, _callback)) + + except AttributeError: + self._self_instance = None + + super(WeakFunctionProxy, self).__init__( + weakref.proxy(wrapped, _callback)) + + def __call__(self, *args, **kwargs): + # We perform a boolean check here on the instance and wrapped + # function as that will trigger the reference error prior to + # calling if the reference had expired. + + instance = self._self_instance and self._self_instance() + function = self.__wrapped__ and self.__wrapped__ + + # If the wrapped function was originally a bound function, for + # which we retained a reference to the instance and the unbound + # function we need to rebind the function and then call it. If + # not just called the wrapped function. + + if instance is None: + return self.__wrapped__(*args, **kwargs) + + return function.__get__(instance, type(instance))(*args, **kwargs) diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/INSTALLER b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/INSTALLER new file mode 100644 index 0000000..a1b589e --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/LICENSE b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/LICENSE new file mode 100644 index 0000000..cc5cfd6 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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If you want to install +``yarl`` on another operating system (like *Alpine Linux*, which is not +manylinux-compliant because of the missing glibc and therefore, cannot be +used with our wheels) the the tarball will be used to compile the library from +the source code. It requires a C compiler and and Python headers installed. + +To skip the compilation you must explicitly opt-in by setting the `YARL_NO_EXTENSIONS` +environment variable to a non-empty value, e.g.: + +.. code-block:: bash + + $ YARL_NO_EXTENSIONS=1 pip install yarl + +Please note that the pure-Python (uncompiled) version is much slower. However, +PyPy always uses a pure-Python implementation, and, as such, it is unaffected +by this variable. + +Dependencies +------------ + +YARL requires multidict_ library. + + +API documentation +------------------ + +The documentation is located at https://yarl.readthedocs.org + + +Why isn't boolean supported by the URL query API? +------------------------------------------------- + +There is no standard for boolean representation of boolean values. + +Some systems prefer ``true``/``false``, others like ``yes``/``no``, ``on``/``off``, +``Y``/``N``, ``1``/``0``, etc. + +``yarl`` cannot make an unambiguous decision on how to serialize ``bool`` values because +it is specific to how the end-user's application is built and would be different for +different apps. The library doesn't accept booleans in the API; a user should convert +bools into strings using own preferred translation protocol. + + +Comparison with other URL libraries +------------------------------------ + +* furl (https://pypi.python.org/pypi/furl) + + The library has rich functionality but the ``furl`` object is mutable. + + I'm afraid to pass this object into foreign code: who knows if the + code will modify my url in a terrible way while I just want to send URL + with handy helpers for accessing URL properties. + + ``furl`` has other non-obvious tricky things but the main objection + is mutability. + +* URLObject (https://pypi.python.org/pypi/URLObject) + + URLObject is immutable, that's pretty good. + + Every URL change generates a new URL object. + + But the library doesn't do any decode/encode transformations leaving the + end user to cope with these gory details. + + +Source code +----------- + +The project is hosted on GitHub_ + +Please file an issue on the `bug tracker +`_ if you have found a bug +or have some suggestion in order to improve the library. + +The library uses `Azure Pipelines `_ for +Continuous Integration. + +Discussion list +--------------- + +*aio-libs* google group: https://groups.google.com/forum/#!forum/aio-libs + +Feel free to post your questions and ideas here. + + +Authors and License +------------------- + +The ``yarl`` package is written by Andrew Svetlov. + +It's *Apache 2* licensed and freely available. + + +.. _GitHub: https://github.com/aio-libs/yarl + +.. _multidict: https://github.com/aio-libs/multidict + + +========= +Changelog +========= + +.. + You should *NOT* be adding new change log entries to this file, this + file is managed by towncrier. You *may* edit previous change logs to + fix problems like typo corrections or such. + To add a new change log entry, please see + https://pip.pypa.io/en/latest/development/#adding-a-news-entry + we named the news folder "changes". + + WARNING: Don't drop the next directive! + +.. towncrier release notes start + +1.6.3 (2020-11-14) +================== + +Bugfixes +-------- + +- No longer loose characters when decoding incorrect percent-sequences (like ``%e2%82%f8``). All non-decodable percent-sequences are now preserved. + `#517 `_ +- Provide x86 Windows wheels. + `#535 `_ + + +---- + + +1.6.2 (2020-10-12) +================== + + +Bugfixes +-------- + +- Provide generated ``.c`` files in TarBall distribution. + `#530 `_ + +1.6.1 (2020-10-12) +================== + +Features +-------- + +- Provide wheels for ``aarch64``, ``i686``, ``ppc64le``, ``s390x`` architectures on + Linux as well as ``x86_64``. + `#507 `_ +- Provide wheels for Python 3.9. + `#526 `_ + +Bugfixes +-------- + +- ``human_repr()`` now always produces valid representation equivalent to the original URL (if the original URL is valid). + `#511 `_ +- Fixed requoting a single percent followed by a percent-encoded character in the Cython implementation. + `#514 `_ +- Fix ValueError when decoding ``%`` which is not followed by two hexadecimal digits. + `#516 `_ +- Fix decoding ``%`` followed by a space and hexadecimal digit. + `#520 `_ +- Fix annotation of ``with_query()``/``update_query()`` methods for ``key=[val1, val2]`` case. + `#528 `_ + +Removal +------- + +- Drop Python 3.5 support; Python 3.6 is the minimal supported Python version. + + +---- + + +1.6.0 (2020-09-23) +================== + +Features +-------- + +- Allow for int and float subclasses in query, while still denying bool. + `#492 `_ + + +Bugfixes +-------- + +- Do not requote arguments in ``URL.build()``, ``with_xxx()`` and in ``/`` operator. + `#502 `_ +- Keep IPv6 brackets in ``origin()``. + `#504 `_ + + +---- + + +1.5.1 (2020-08-01) +================== + +Bugfixes +-------- + +- Fix including relocated internal ``yarl._quoting_c`` C-extension into published PyPI dists. + `#485 `_ + + +Misc +---- + +- `#484 `_ + + +---- + + +1.5.0 (2020-07-26) +================== + +Features +-------- + +- Convert host to lowercase on URL building. + `#386 `_ +- Allow using ``mod`` operator (`%`) for updating query string (an alias for ``update_query()`` method). + `#435 `_ +- Allow use of sequences such as ``list`` and ``tuple`` in the values + of a mapping such as ``dict`` to represent that a key has many values:: + + url = URL("http://example.com") + assert url.with_query({"a": [1, 2]}) == URL("http://example.com/?a=1&a=2") + + `#443 `_ +- Support URL.build() with scheme and path (creates a relative URL). + `#464 `_ +- Cache slow IDNA encode/decode calls. + `#476 `_ +- Add ``@final`` / ``Final`` type hints + `#477 `_ +- Support URL authority/raw_authority properties and authority argument of ``URL.build()`` method. + `#478 `_ +- Hide the library implementation details, make the exposed public list very clean. + `#483 `_ + + +Bugfixes +-------- + +- Fix tests with newer Python (3.7.6, 3.8.1 and 3.9.0+). + `#409 `_ +- Fix a bug where query component, passed in a form of mapping or sequence, is unquoted in unexpected way. + `#426 `_ +- Hide `Query` and `QueryVariable` type aliases in `__init__.pyi`, now they are prefixed with underscore. + `#431 `_ +- Keep ipv6 brackets after updating port/user/password. + `#451 `_ + + +---- + + +1.4.2 (2019-12-05) +================== + +Features +-------- + +- Workaround for missing `str.isascii()` in Python 3.6 + `#389 `_ + + +---- + + +1.4.1 (2019-11-29) +================== + +* Fix regression, make the library work on Python 3.5 and 3.6 again. + +1.4.0 (2019-11-29) +================== + +* Distinguish an empty password in URL from a password not provided at all (#262) + +* Fixed annotations for optional parameters of ``URL.build`` (#309) + +* Use None as default value of ``user`` parameter of ``URL.build`` (#309) + +* Enforce building C Accelerated modules when installing from source tarball, use + ``YARL_NO_EXTENSIONS`` environment variable for falling back to (slower) Pure Python + implementation (#329) + +* Drop Python 3.5 support + +* Fix quoting of plus in path by pure python version (#339) + +* Don't create a new URL if fragment is unchanged (#292) + +* Included in error msg the path that produces starting slash forbidden error (#376) + +* Skip slow IDNA encoding for ASCII-only strings (#387) + + +1.3.0 (2018-12-11) +================== + +* Fix annotations for ``query`` parameter (#207) + +* An incoming query sequence can have int variables (the same as for + Mapping type) (#208) + +* Add ``URL.explicit_port`` property (#218) + +* Give a friendlier error when port cant be converted to int (#168) + +* ``bool(URL())`` now returns ``False`` (#272) + +1.2.6 (2018-06-14) +================== + +* Drop Python 3.4 trove classifier (#205) + +1.2.5 (2018-05-23) +================== + +* Fix annotations for ``build`` (#199) + +1.2.4 (2018-05-08) +================== + +* Fix annotations for ``cached_property`` (#195) + +1.2.3 (2018-05-03) +================== + +* Accept ``str`` subclasses in ``URL`` constructor (#190) + +1.2.2 (2018-05-01) +================== + +* Fix build + +1.2.1 (2018-04-30) +================== + +* Pin minimal required Python to 3.5.3 (#189) + +1.2.0 (2018-04-30) +================== + +* Forbid inheritance, replace ``__init__`` with ``__new__`` (#171) + +* Support PEP-561 (provide type hinting marker) (#182) + +1.1.1 (2018-02-17) +================== + +* Fix performance regression: don't encode enmpty netloc (#170) + +1.1.0 (2018-01-21) +================== + +* Make pure Python quoter consistent with Cython version (#162) + +1.0.0 (2018-01-15) +================== + +* Use fast path if quoted string does not need requoting (#154) + +* Speed up quoting/unquoting by ``_Quoter`` and ``_Unquoter`` classes (#155) + +* Drop ``yarl.quote`` and ``yarl.unquote`` public functions (#155) + +* Add custom string writer, reuse static buffer if available (#157) + Code is 50-80 times faster than Pure Python version (was 4-5 times faster) + +* Don't recode IP zone (#144) + +* Support ``encoded=True`` in ``yarl.URL.build()`` (#158) + +* Fix updating query with multiple keys (#160) + +0.18.0 (2018-01-10) +=================== + +* Fallback to IDNA 2003 if domain name is not IDNA 2008 compatible (#152) + +0.17.0 (2017-12-30) +=================== + +* Use IDNA 2008 for domain name processing (#149) + +0.16.0 (2017-12-07) +=================== + +* Fix raising ``TypeError`` by ``url.query_string()`` after + ``url.with_query({})`` (empty mapping) (#141) + +0.15.0 (2017-11-23) +=================== + +* Add ``raw_path_qs`` attribute (#137) + +0.14.2 (2017-11-14) +=================== + +* Restore ``strict`` parameter as no-op in ``quote`` / ``unquote`` + +0.14.1 (2017-11-13) +=================== + +* Restore ``strict`` parameter as no-op for sake of compatibility with + aiohttp 2.2 + +0.14.0 (2017-11-11) +=================== + +* Drop strict mode (#123) + +* Fix ``"ValueError: Unallowed PCT %"`` when there's a ``"%"`` in the url (#124) + +0.13.0 (2017-10-01) +=================== + +* Document ``encoded`` parameter (#102) + +* Support relative urls like ``'?key=value'`` (#100) + +* Unsafe encoding for QS fixed. Encode ``;`` char in value param (#104) + +* Process passwords without user names (#95) + +0.12.0 (2017-06-26) +=================== + +* Properly support paths without leading slash in ``URL.with_path()`` (#90) + +* Enable type annotation checks + +0.11.0 (2017-06-26) +=================== + +* Normalize path (#86) + +* Clear query and fragment parts in ``.with_path()`` (#85) + +0.10.3 (2017-06-13) +=================== + +* Prevent double URL args unquoting (#83) + +0.10.2 (2017-05-05) +=================== + +* Unexpected hash behaviour (#75) + + +0.10.1 (2017-05-03) +=================== + +* Unexpected compare behaviour (#73) + +* Do not quote or unquote + if not a query string. (#74) + + +0.10.0 (2017-03-14) +=================== + +* Added ``URL.build`` class method (#58) + +* Added ``path_qs`` attribute (#42) + + +0.9.8 (2017-02-16) +================== + +* Do not quote ``:`` in path + + +0.9.7 (2017-02-16) +================== + +* Load from pickle without _cache (#56) + +* Percent-encoded pluses in path variables become spaces (#59) + + +0.9.6 (2017-02-15) +================== + +* Revert backward incompatible change (BaseURL) + + +0.9.5 (2017-02-14) +================== + +* Fix BaseURL rich comparison support + + +0.9.4 (2017-02-14) +================== + +* Use BaseURL + + +0.9.3 (2017-02-14) +================== + +* Added BaseURL + + +0.9.2 (2017-02-08) +================== + +* Remove debug print + + +0.9.1 (2017-02-07) +================== + +* Do not lose tail chars (#45) + + +0.9.0 (2017-02-07) +================== + +* Allow to quote ``%`` in non strict mode (#21) + +* Incorrect parsing of query parameters with %3B (;) inside (#34) + +* Fix core dumps (#41) + +* tmpbuf - compiling error (#43) + +* Added ``URL.update_path()`` method + +* Added ``URL.update_query()`` method (#47) + + +0.8.1 (2016-12-03) +================== + +* Fix broken aiohttp: revert back ``quote`` / ``unquote``. + + +0.8.0 (2016-12-03) +================== + +* Support more verbose error messages in ``.with_query()`` (#24) + +* Don't percent-encode ``@`` and ``:`` in path (#32) + +* Don't expose ``yarl.quote`` and ``yarl.unquote``, these functions are + part of private API + +0.7.1 (2016-11-18) +================== + +* Accept not only ``str`` but all classes inherited from ``str`` also (#25) + +0.7.0 (2016-11-07) +================== + +* Accept ``int`` as value for ``.with_query()`` + +0.6.0 (2016-11-07) +================== + +* Explicitly use UTF8 encoding in setup.py (#20) +* Properly unquote non-UTF8 strings (#19) + +0.5.3 (2016-11-02) +================== + +* Don't use namedtuple fields but indexes on URL construction + +0.5.2 (2016-11-02) +================== + +* Inline ``_encode`` class method + +0.5.1 (2016-11-02) +================== + +* Make URL construction faster by removing extra classmethod calls + +0.5.0 (2016-11-02) +================== + +* Add cython optimization for quoting/unquoting +* Provide binary wheels + +0.4.3 (2016-09-29) +================== + +* Fix typing stubs + +0.4.2 (2016-09-29) +================== + +* Expose ``quote()`` and ``unquote()`` as public API + +0.4.1 (2016-09-28) +================== + +* Support empty values in query (``'/path?arg'``) + +0.4.0 (2016-09-27) +================== + +* Introduce ``relative()`` (#16) + +0.3.2 (2016-09-27) +================== + +* Typo fixes #15 + +0.3.1 (2016-09-26) +================== + +* Support sequence of pairs as ``with_query()`` parameter + +0.3.0 (2016-09-26) +================== + +* Introduce ``is_default_port()`` + +0.2.1 (2016-09-26) +================== + +* Raise ValueError for URLs like 'http://:8080/' + +0.2.0 (2016-09-18) +================== + +* Avoid doubling slashes when joining paths (#13) + +* Appending path starting from slash is forbidden (#12) + +0.1.4 (2016-09-09) +================== + +* Add kwargs support for ``with_query()`` (#10) + +0.1.3 (2016-09-07) +================== + +* Document ``with_query()``, ``with_fragment()`` and ``origin()`` + +* Allow ``None`` for ``with_query()`` and ``with_fragment()`` + +0.1.2 (2016-09-07) +================== + +* Fix links, tune docs theme. + +0.1.1 (2016-09-06) +================== + +* Update README, old version used obsolete API + +0.1.0 (2016-09-06) +================== + +* The library was deeply refactored, bytes are gone away but all + accepted strings are encoded if needed. + +0.0.1 (2016-08-30) +================== + +* The first release. + + diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/RECORD b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/RECORD new file mode 100644 index 0000000..a841617 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/RECORD @@ -0,0 +1,21 @@ +yarl-1.6.3.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +yarl-1.6.3.dist-info/LICENSE,sha256=FMCCBQPO7xXoFKibA32e_AZocAhwGClLauDycWOHLMU,11368 +yarl-1.6.3.dist-info/METADATA,sha256=zKSrKq8RjuRn--rcIa9A0lm9Hrlouq2B9enm0sZin7U,18960 +yarl-1.6.3.dist-info/RECORD,, +yarl-1.6.3.dist-info/REQUESTED,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 +yarl-1.6.3.dist-info/WHEEL,sha256=sPIohpZM7vu5nTTYsKtZn4G53Hmt-aygu-hjwmd96II,111 +yarl-1.6.3.dist-info/top_level.txt,sha256=vf3SJuQh-k7YtvsUrV_OPOrT9Kqn0COlk7IPYyhtGkQ,5 +yarl/__init__.py,sha256=q1AsILx9yBkriaOSJghxeC5ynHn_7rMmldWf-VlnFnA,154 +yarl/__init__.pyi,sha256=81znZr-kyslhoSkwDDXZsfhrLOjUAoJ4ApfwDfcfbPM,3702 +yarl/__pycache__/__init__.cpython-39.pyc,, +yarl/__pycache__/_quoting.cpython-39.pyc,, +yarl/__pycache__/_quoting_py.cpython-39.pyc,, +yarl/__pycache__/_url.cpython-39.pyc,, +yarl/_quoting.py,sha256=A35UGLJW4EOOHZNNocSiK7tRNGKe1NgqH3jxMoYN2x0,519 +yarl/_quoting_c.c,sha256=RSUoRWxACSWS4KUeP2_3GJX8CwTYOATxFD3U488diWI,453267 +yarl/_quoting_c.cpython-39-x86_64-linux-gnu.so,sha256=MSpzODXn3-xks9yp6sNOxlL5hwH2np1nT2oeCDDdKgw,775712 +yarl/_quoting_c.pyi,sha256=plPeUkIbXp4Hzi0AbYII4JA0H9tCjtjw-UUPU5Na1s0,447 +yarl/_quoting_c.pyx,sha256=_xiVS3dNEvYcKdGx973DYBRRUVz4CURuG5iTdF4zXYk,11498 +yarl/_quoting_py.py,sha256=kaqwB_26TMQqsiDC7mmPifOuDeU2CV67X2WEeA8THGU,6386 +yarl/_url.py,sha256=hKqfrlH1TyaMGs9Ep92j9TVV7Ys_i9gnAX-h_UjFW48,36016 +yarl/py.typed,sha256=Ml3HXnuYFoaiowlyfo6IQ_Dmv9gGV8uhQbqwZDzsNE8,13 diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/REQUESTED b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/REQUESTED new file mode 100644 index 0000000..e69de29 diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/WHEEL b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/WHEEL new file mode 100644 index 0000000..c2d5fda --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/WHEEL @@ -0,0 +1,5 @@ +Wheel-Version: 1.0 +Generator: bdist_wheel (0.35.1) +Root-Is-Purelib: false +Tag: cp39-cp39-manylinux2014_x86_64 + diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/top_level.txt b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/top_level.txt new file mode 100644 index 0000000..e93e8bd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl-1.6.3.dist-info/top_level.txt @@ -0,0 +1 @@ +yarl diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.py b/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.py new file mode 100644 index 0000000..db4e948 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.py @@ -0,0 +1,5 @@ +from ._url import URL, cache_clear, cache_configure, cache_info + +__version__ = "1.6.3" + +__all__ = ("URL", "cache_clear", "cache_configure", "cache_info") diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.pyi b/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.pyi new file mode 100644 index 0000000..a8d8fbd --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/__init__.pyi @@ -0,0 +1,111 @@ +from typing import overload, Any, Tuple, Optional, Mapping, Union, Sequence, Type +import multidict +from functools import _CacheInfo +import sys + +if sys.version_info >= (3, 8): + from typing import TypedDict, Final, final +else: + from typing_extensions import TypedDict, Final, final + +_SimpleQuery = Union[str, int, float] +_QueryVariable = Union[_SimpleQuery, Sequence[_SimpleQuery]] +_Query = Union[ + None, str, Mapping[str, _QueryVariable], Sequence[Tuple[str, _QueryVariable]] +] +@final +class URL: + scheme: Final[str] + raw_user: Final[str] + user: Final[Optional[str]] + raw_password: Final[Optional[str]] + password: Final[Optional[str]] + raw_host: Final[Optional[str]] + host: Final[Optional[str]] + port: Final[Optional[int]] + raw_authority: Final[str] + authority: Final[str] + raw_path: Final[str] + path: Final[str] + raw_query_string: Final[str] + query_string: Final[str] + path_qs: Final[str] + raw_path_qs: Final[str] + raw_fragment: Final[str] + fragment: Final[str] + query: Final[multidict.MultiDict[str]] + raw_name: Final[str] + name: Final[str] + raw_parts: Final[Tuple[str, ...]] + parts: Final[Tuple[str, ...]] + parent: Final[URL] + def __init__( + self, val: Union[str, "URL"] = ..., *, encoded: bool = ... + ) -> None: ... + @classmethod + def build( + cls, + *, + scheme: str = ..., + authority: str = ..., + user: Optional[str] = ..., + password: Optional[str] = ..., + host: str = ..., + port: Optional[int] = ..., + path: str = ..., + query: Optional[_Query] = ..., + query_string: str = ..., + fragment: str = ..., + encoded: bool = ... + ) -> URL: ... + def __str__(self) -> str: ... + def __repr__(self) -> str: ... + def __eq__(self, other: Any) -> bool: ... + def __le__(self, other: Any) -> bool: ... + def __lt__(self, other: Any) -> bool: ... + def __ge__(self, other: Any) -> bool: ... + def __gt__(self, other: Any) -> bool: ... + def __hash__(self) -> int: ... + def __truediv__(self, name: str) -> URL: ... + def __mod__(self, query: _Query) -> URL: ... + def is_absolute(self) -> bool: ... + def is_default_port(self) -> bool: ... + def origin(self) -> URL: ... + def relative(self) -> URL: ... + def with_scheme(self, scheme: str) -> URL: ... + def with_user(self, user: Optional[str]) -> URL: ... + def with_password(self, password: Optional[str]) -> URL: ... + def with_host(self, host: str) -> URL: ... + def with_port(self, port: Optional[int]) -> URL: ... + def with_path(self, path: str, *, encoded: bool = ...) -> URL: ... + @overload + def with_query(self, query: _Query) -> URL: ... + @overload + def with_query(self, **kwargs: _QueryVariable) -> URL: ... + @overload + def update_query(self, query: _Query) -> URL: ... + @overload + def update_query(self, **kwargs: _QueryVariable) -> URL: ... + def with_fragment(self, fragment: Optional[str]) -> URL: ... + def with_name(self, name: str) -> URL: ... + def join(self, url: URL) -> URL: ... + def human_repr(self) -> str: ... + # private API + @classmethod + def _normalize_path(cls, path: str) -> str: ... + +@final +class cached_property: + def __init__(self, wrapped: Any) -> None: ... + def __get__(self, inst: URL, owner: Type[URL]) -> Any: ... + def __set__(self, inst: URL, value: Any) -> None: ... + +class CacheInfo(TypedDict): + idna_encode: _CacheInfo + idna_decode: _CacheInfo + +def cache_clear() -> None: ... +def cache_info() -> CacheInfo: ... +def cache_configure( + *, idna_encode_size: Optional[int] = ..., idna_decode_size: Optional[int] = ... +) -> None: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting.py b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting.py new file mode 100644 index 0000000..46e100a --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting.py @@ -0,0 +1,18 @@ +import os +import sys + +__all__ = ("_Quoter", "_Unquoter") + + +NO_EXTENSIONS = bool(os.environ.get("YARL_NO_EXTENSIONS")) # type: bool +if sys.implementation.name != "cpython": + NO_EXTENSIONS = True + + +if not NO_EXTENSIONS: # pragma: no branch + try: + from ._quoting_c import _Quoter, _Unquoter # type: ignore[misc] + except ImportError: # pragma: no cover + from ._quoting_py import _Quoter, _Unquoter # type: ignore[misc] +else: + from ._quoting_py import _Quoter, _Unquoter # type: ignore[misc] diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.c b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.c new file mode 100644 index 0000000..cdb46f7 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.c @@ -0,0 +1,11612 @@ +/* Generated by Cython 0.29.21 */ + +#define PY_SSIZE_T_CLEAN +#include "Python.h" +#ifndef Py_PYTHON_H + #error Python headers needed to compile C extensions, please install development version of Python. +#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) + #error Cython requires Python 2.6+ or Python 3.3+. +#else +#define CYTHON_ABI "0_29_21" +#define CYTHON_HEX_VERSION 0x001D15F0 +#define CYTHON_FUTURE_DIVISION 1 +#include +#ifndef offsetof + #define offsetof(type, member) ( (size_t) & ((type*)0) -> member ) +#endif +#if !defined(WIN32) && !defined(MS_WINDOWS) + #ifndef __stdcall + #define __stdcall + #endif + #ifndef __cdecl + #define __cdecl + #endif + #ifndef __fastcall + #define __fastcall + #endif +#endif +#ifndef DL_IMPORT + #define DL_IMPORT(t) t +#endif +#ifndef DL_EXPORT + #define DL_EXPORT(t) t +#endif +#define __PYX_COMMA , +#ifndef HAVE_LONG_LONG + #if PY_VERSION_HEX >= 0x02070000 + #define HAVE_LONG_LONG + #endif +#endif +#ifndef PY_LONG_LONG + #define PY_LONG_LONG LONG_LONG +#endif +#ifndef Py_HUGE_VAL + #define Py_HUGE_VAL HUGE_VAL +#endif +#ifdef PYPY_VERSION + #define CYTHON_COMPILING_IN_PYPY 1 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #undef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 0 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #if PY_VERSION_HEX < 0x03050000 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #undef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #undef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 1 + #undef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 0 + #undef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 0 + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#elif defined(PYSTON_VERSION) + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 1 + #define CYTHON_COMPILING_IN_CPYTHON 0 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #undef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 0 + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #undef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 0 + #undef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 0 + #undef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT 0 + #undef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE 0 + #undef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS 0 + #undef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK 0 +#else + #define CYTHON_COMPILING_IN_PYPY 0 + #define CYTHON_COMPILING_IN_PYSTON 0 + #define CYTHON_COMPILING_IN_CPYTHON 1 + #ifndef CYTHON_USE_TYPE_SLOTS + #define CYTHON_USE_TYPE_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYTYPE_LOOKUP + #define CYTHON_USE_PYTYPE_LOOKUP 0 + #elif !defined(CYTHON_USE_PYTYPE_LOOKUP) + #define CYTHON_USE_PYTYPE_LOOKUP 1 + #endif + #if PY_MAJOR_VERSION < 3 + #undef CYTHON_USE_ASYNC_SLOTS + #define CYTHON_USE_ASYNC_SLOTS 0 + #elif !defined(CYTHON_USE_ASYNC_SLOTS) + #define CYTHON_USE_ASYNC_SLOTS 1 + #endif + #if PY_VERSION_HEX < 0x02070000 + #undef CYTHON_USE_PYLONG_INTERNALS + #define CYTHON_USE_PYLONG_INTERNALS 0 + #elif !defined(CYTHON_USE_PYLONG_INTERNALS) + #define CYTHON_USE_PYLONG_INTERNALS 1 + #endif + #ifndef CYTHON_USE_PYLIST_INTERNALS + #define CYTHON_USE_PYLIST_INTERNALS 1 + #endif + #ifndef CYTHON_USE_UNICODE_INTERNALS + #define CYTHON_USE_UNICODE_INTERNALS 1 + #endif + #if PY_VERSION_HEX < 0x030300F0 + #undef CYTHON_USE_UNICODE_WRITER + #define CYTHON_USE_UNICODE_WRITER 0 + #elif !defined(CYTHON_USE_UNICODE_WRITER) + #define CYTHON_USE_UNICODE_WRITER 1 + #endif + #ifndef CYTHON_AVOID_BORROWED_REFS + #define CYTHON_AVOID_BORROWED_REFS 0 + #endif + #ifndef CYTHON_ASSUME_SAFE_MACROS + #define CYTHON_ASSUME_SAFE_MACROS 1 + #endif + #ifndef CYTHON_UNPACK_METHODS + #define CYTHON_UNPACK_METHODS 1 + #endif + #ifndef CYTHON_FAST_THREAD_STATE + #define CYTHON_FAST_THREAD_STATE 1 + #endif + #ifndef CYTHON_FAST_PYCALL + #define CYTHON_FAST_PYCALL 1 + #endif + #ifndef CYTHON_PEP489_MULTI_PHASE_INIT + #define CYTHON_PEP489_MULTI_PHASE_INIT (PY_VERSION_HEX >= 0x03050000) + #endif + #ifndef CYTHON_USE_TP_FINALIZE + #define CYTHON_USE_TP_FINALIZE (PY_VERSION_HEX >= 0x030400a1) + #endif + #ifndef CYTHON_USE_DICT_VERSIONS + #define CYTHON_USE_DICT_VERSIONS (PY_VERSION_HEX >= 0x030600B1) + #endif + #ifndef CYTHON_USE_EXC_INFO_STACK + #define CYTHON_USE_EXC_INFO_STACK (PY_VERSION_HEX >= 0x030700A3) + #endif +#endif +#if !defined(CYTHON_FAST_PYCCALL) +#define CYTHON_FAST_PYCCALL (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1) +#endif +#if CYTHON_USE_PYLONG_INTERNALS + #include "longintrepr.h" + #undef SHIFT + #undef BASE + #undef MASK + #ifdef SIZEOF_VOID_P + enum { __pyx_check_sizeof_voidp = 1 / (int)(SIZEOF_VOID_P == sizeof(void*)) }; + #endif +#endif +#ifndef __has_attribute + #define __has_attribute(x) 0 +#endif +#ifndef __has_cpp_attribute + #define __has_cpp_attribute(x) 0 +#endif +#ifndef CYTHON_RESTRICT + #if defined(__GNUC__) + #define CYTHON_RESTRICT __restrict__ + #elif defined(_MSC_VER) && _MSC_VER >= 1400 + #define CYTHON_RESTRICT __restrict + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_RESTRICT restrict + #else + #define CYTHON_RESTRICT + #endif +#endif +#ifndef CYTHON_UNUSED +# if defined(__GNUC__) +# if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +# elif defined(__ICC) || (defined(__INTEL_COMPILER) && !defined(_MSC_VER)) +# define CYTHON_UNUSED __attribute__ ((__unused__)) +# else +# define CYTHON_UNUSED +# endif +#endif +#ifndef CYTHON_MAYBE_UNUSED_VAR +# if defined(__cplusplus) + template void CYTHON_MAYBE_UNUSED_VAR( const T& ) { } +# else +# define CYTHON_MAYBE_UNUSED_VAR(x) (void)(x) +# endif +#endif +#ifndef CYTHON_NCP_UNUSED +# if CYTHON_COMPILING_IN_CPYTHON +# define CYTHON_NCP_UNUSED +# else +# define CYTHON_NCP_UNUSED CYTHON_UNUSED +# endif +#endif +#define __Pyx_void_to_None(void_result) ((void)(void_result), Py_INCREF(Py_None), Py_None) +#ifdef _MSC_VER + #ifndef _MSC_STDINT_H_ + #if _MSC_VER < 1300 + typedef unsigned char uint8_t; + typedef unsigned int uint32_t; + #else + typedef unsigned __int8 uint8_t; + typedef unsigned __int32 uint32_t; + #endif + #endif +#else + #include +#endif +#ifndef CYTHON_FALLTHROUGH + #if defined(__cplusplus) && __cplusplus >= 201103L + #if __has_cpp_attribute(fallthrough) + #define CYTHON_FALLTHROUGH [[fallthrough]] + #elif __has_cpp_attribute(clang::fallthrough) + #define CYTHON_FALLTHROUGH [[clang::fallthrough]] + #elif __has_cpp_attribute(gnu::fallthrough) + #define CYTHON_FALLTHROUGH [[gnu::fallthrough]] + #endif + #endif + #ifndef CYTHON_FALLTHROUGH + #if __has_attribute(fallthrough) + #define CYTHON_FALLTHROUGH __attribute__((fallthrough)) + #else + #define CYTHON_FALLTHROUGH + #endif + #endif + #if defined(__clang__ ) && defined(__apple_build_version__) + #if __apple_build_version__ < 7000000 + #undef CYTHON_FALLTHROUGH + #define CYTHON_FALLTHROUGH + #endif + #endif +#endif + +#ifndef CYTHON_INLINE + #if defined(__clang__) + #define CYTHON_INLINE __inline__ __attribute__ ((__unused__)) + #elif defined(__GNUC__) + #define CYTHON_INLINE __inline__ + #elif defined(_MSC_VER) + #define CYTHON_INLINE __inline + #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define CYTHON_INLINE inline + #else + #define CYTHON_INLINE + #endif +#endif + +#if CYTHON_COMPILING_IN_PYPY && PY_VERSION_HEX < 0x02070600 && !defined(Py_OptimizeFlag) + #define Py_OptimizeFlag 0 +#endif +#define __PYX_BUILD_PY_SSIZE_T "n" +#define CYTHON_FORMAT_SSIZE_T "z" +#if PY_MAJOR_VERSION < 3 + #define __Pyx_BUILTIN_MODULE_NAME "__builtin__" + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) + #define __Pyx_DefaultClassType PyClass_Type +#else + #define __Pyx_BUILTIN_MODULE_NAME "builtins" +#if PY_VERSION_HEX >= 0x030800A4 && PY_VERSION_HEX < 0x030800B2 + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, 0, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#else + #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)\ + PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) +#endif + #define __Pyx_DefaultClassType PyType_Type +#endif +#ifndef Py_TPFLAGS_CHECKTYPES + #define Py_TPFLAGS_CHECKTYPES 0 +#endif +#ifndef Py_TPFLAGS_HAVE_INDEX + #define Py_TPFLAGS_HAVE_INDEX 0 +#endif +#ifndef Py_TPFLAGS_HAVE_NEWBUFFER + #define Py_TPFLAGS_HAVE_NEWBUFFER 0 +#endif +#ifndef Py_TPFLAGS_HAVE_FINALIZE + #define Py_TPFLAGS_HAVE_FINALIZE 0 +#endif +#ifndef METH_STACKLESS + #define METH_STACKLESS 0 +#endif +#if PY_VERSION_HEX <= 0x030700A3 || !defined(METH_FASTCALL) + #ifndef METH_FASTCALL + #define METH_FASTCALL 0x80 + #endif + typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject *const *args, Py_ssize_t nargs); + typedef PyObject *(*__Pyx_PyCFunctionFastWithKeywords) (PyObject *self, PyObject *const *args, + Py_ssize_t nargs, PyObject *kwnames); +#else + #define __Pyx_PyCFunctionFast _PyCFunctionFast + #define __Pyx_PyCFunctionFastWithKeywords _PyCFunctionFastWithKeywords +#endif +#if CYTHON_FAST_PYCCALL +#define __Pyx_PyFastCFunction_Check(func)\ + ((PyCFunction_Check(func) && (METH_FASTCALL == (PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))))) +#else +#define __Pyx_PyFastCFunction_Check(func) 0 +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Malloc) + #define PyObject_Malloc(s) PyMem_Malloc(s) + #define PyObject_Free(p) PyMem_Free(p) + #define PyObject_Realloc(p) PyMem_Realloc(p) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX < 0x030400A1 + #define PyMem_RawMalloc(n) PyMem_Malloc(n) + #define PyMem_RawRealloc(p, n) PyMem_Realloc(p, n) + #define PyMem_RawFree(p) PyMem_Free(p) +#endif +#if CYTHON_COMPILING_IN_PYSTON + #define __Pyx_PyCode_HasFreeVars(co) PyCode_HasFreeVars(co) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno) +#else + #define __Pyx_PyCode_HasFreeVars(co) (PyCode_GetNumFree(co) > 0) + #define __Pyx_PyFrame_SetLineNumber(frame, lineno) (frame)->f_lineno = (lineno) +#endif +#if !CYTHON_FAST_THREAD_STATE || PY_VERSION_HEX < 0x02070000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#elif PY_VERSION_HEX >= 0x03060000 + #define __Pyx_PyThreadState_Current _PyThreadState_UncheckedGet() +#elif PY_VERSION_HEX >= 0x03000000 + #define __Pyx_PyThreadState_Current PyThreadState_GET() +#else + #define __Pyx_PyThreadState_Current _PyThreadState_Current +#endif +#if PY_VERSION_HEX < 0x030700A2 && !defined(PyThread_tss_create) && !defined(Py_tss_NEEDS_INIT) +#include "pythread.h" +#define Py_tss_NEEDS_INIT 0 +typedef int Py_tss_t; +static CYTHON_INLINE int PyThread_tss_create(Py_tss_t *key) { + *key = PyThread_create_key(); + return 0; +} +static CYTHON_INLINE Py_tss_t * PyThread_tss_alloc(void) { + Py_tss_t *key = (Py_tss_t *)PyObject_Malloc(sizeof(Py_tss_t)); + *key = Py_tss_NEEDS_INIT; + return key; +} +static CYTHON_INLINE void PyThread_tss_free(Py_tss_t *key) { + PyObject_Free(key); +} +static CYTHON_INLINE int PyThread_tss_is_created(Py_tss_t *key) { + return *key != Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { + PyThread_delete_key(*key); + *key = Py_tss_NEEDS_INIT; +} +static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { + return PyThread_set_key_value(*key, value); +} +static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { + return PyThread_get_key_value(*key); +} +#endif +#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) +#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? PyDict_New() : _PyDict_NewPresized(n)) +#else +#define __Pyx_PyDict_NewPresized(n) PyDict_New() +#endif +#if PY_MAJOR_VERSION >= 3 || CYTHON_FUTURE_DIVISION + #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y) +#else + #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y) + #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y) +#endif +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 && CYTHON_USE_UNICODE_INTERNALS +#define __Pyx_PyDict_GetItemStr(dict, name) _PyDict_GetItem_KnownHash(dict, name, ((PyASCIIObject *) name)->hash) +#else +#define __Pyx_PyDict_GetItemStr(dict, name) PyDict_GetItem(dict, name) +#endif +#if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND) + #define CYTHON_PEP393_ENABLED 1 + #define __Pyx_PyUnicode_READY(op) (likely(PyUnicode_IS_READY(op)) ?\ + 0 : _PyUnicode_Ready((PyObject *)(op))) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_LENGTH(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) PyUnicode_MAX_CHAR_VALUE(u) + #define __Pyx_PyUnicode_KIND(u) PyUnicode_KIND(u) + #define __Pyx_PyUnicode_DATA(u) PyUnicode_DATA(u) + #define __Pyx_PyUnicode_READ(k, d, i) PyUnicode_READ(k, d, i) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) PyUnicode_WRITE(k, d, i, ch) + #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) + #else + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_LENGTH(u)) + #endif +#else + #define CYTHON_PEP393_ENABLED 0 + #define PyUnicode_1BYTE_KIND 1 + #define PyUnicode_2BYTE_KIND 2 + #define PyUnicode_4BYTE_KIND 4 + #define __Pyx_PyUnicode_READY(op) (0) + #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) + #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) + #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) + #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) + #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) + #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) + #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) + #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) +#endif +#if CYTHON_COMPILING_IN_PYPY + #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) +#else + #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) + #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ + PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) + #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) + #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) +#endif +#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) + #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) +#endif +#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) +#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) +#else + #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) +#endif +#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) + #define PyObject_ASCII(o) PyObject_Repr(o) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBaseString_Type PyUnicode_Type + #define PyStringObject PyUnicodeObject + #define PyString_Type PyUnicode_Type + #define PyString_Check PyUnicode_Check + #define PyString_CheckExact PyUnicode_CheckExact +#ifndef PyObject_Unicode + #define PyObject_Unicode PyObject_Str +#endif +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) + #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) +#else + #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) + #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) +#endif +#ifndef PySet_CheckExact + #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) +#endif +#if PY_VERSION_HEX >= 0x030900A4 + #define __Pyx_SET_REFCNT(obj, refcnt) Py_SET_REFCNT(obj, refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size) +#else + #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt) + #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size) +#endif +#if CYTHON_ASSUME_SAFE_MACROS + #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) +#else + #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyIntObject PyLongObject + #define PyInt_Type PyLong_Type + #define PyInt_Check(op) PyLong_Check(op) + #define PyInt_CheckExact(op) PyLong_CheckExact(op) + #define PyInt_FromString PyLong_FromString + #define PyInt_FromUnicode PyLong_FromUnicode + #define PyInt_FromLong PyLong_FromLong + #define PyInt_FromSize_t PyLong_FromSize_t + #define PyInt_FromSsize_t PyLong_FromSsize_t + #define PyInt_AsLong PyLong_AsLong + #define PyInt_AS_LONG PyLong_AS_LONG + #define PyInt_AsSsize_t PyLong_AsSsize_t + #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask + #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask + #define PyNumber_Int PyNumber_Long +#endif +#if PY_MAJOR_VERSION >= 3 + #define PyBoolObject PyLongObject +#endif +#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY + #ifndef PyUnicode_InternFromString + #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) + #endif +#endif +#if PY_VERSION_HEX < 0x030200A4 + typedef long Py_hash_t; + #define __Pyx_PyInt_FromHash_t PyInt_FromLong + #define __Pyx_PyInt_AsHash_t PyInt_AsLong +#else + #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t + #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t +#endif +#if PY_MAJOR_VERSION >= 3 + #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func)) +#else + #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) +#endif +#if CYTHON_USE_ASYNC_SLOTS + #if PY_VERSION_HEX >= 0x030500B1 + #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods + #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) + #else + #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) + #endif +#else + #define __Pyx_PyType_AsAsync(obj) NULL +#endif +#ifndef __Pyx_PyAsyncMethodsStruct + typedef struct { + unaryfunc am_await; + unaryfunc am_aiter; + unaryfunc am_anext; + } __Pyx_PyAsyncMethodsStruct; +#endif + +#if defined(WIN32) || defined(MS_WINDOWS) + #define _USE_MATH_DEFINES +#endif +#include +#ifdef NAN +#define __PYX_NAN() ((float) NAN) +#else +static CYTHON_INLINE float __PYX_NAN() { + float value; + memset(&value, 0xFF, sizeof(value)); + return value; +} +#endif +#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) +#define __Pyx_truncl trunc +#else +#define __Pyx_truncl truncl +#endif + +#define __PYX_MARK_ERR_POS(f_index, lineno) \ + { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; } +#define __PYX_ERR(f_index, lineno, Ln_error) \ + { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; } + +#ifndef __PYX_EXTERN_C + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#define __PYX_HAVE__yarl___quoting_c +#define __PYX_HAVE_API__yarl___quoting_c +/* Early includes */ +#include +#include +#include +#ifdef _OPENMP +#include +#endif /* _OPENMP */ + +#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) +#define CYTHON_WITHOUT_ASSERTIONS +#endif + +typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; + const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; + +#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 +#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) +#define __PYX_DEFAULT_STRING_ENCODING "" +#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString +#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#define __Pyx_uchar_cast(c) ((unsigned char)c) +#define __Pyx_long_cast(x) ((long)x) +#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ + (sizeof(type) < sizeof(Py_ssize_t)) ||\ + (sizeof(type) > sizeof(Py_ssize_t) &&\ + likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX) &&\ + (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ + v == (type)PY_SSIZE_T_MIN))) ||\ + (sizeof(type) == sizeof(Py_ssize_t) &&\ + (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ + v == (type)PY_SSIZE_T_MAX))) ) +static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { + return (size_t) i < (size_t) limit; +} +#if defined (__cplusplus) && __cplusplus >= 201103L + #include + #define __Pyx_sst_abs(value) std::abs(value) +#elif SIZEOF_INT >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) abs(value) +#elif SIZEOF_LONG >= SIZEOF_SIZE_T + #define __Pyx_sst_abs(value) labs(value) +#elif defined (_MSC_VER) + #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) +#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + #define __Pyx_sst_abs(value) llabs(value) +#elif defined (__GNUC__) + #define __Pyx_sst_abs(value) __builtin_llabs(value) +#else + #define __Pyx_sst_abs(value) ((value<0) ? -value : value) +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); +#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) +#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) +#define __Pyx_PyBytes_FromString PyBytes_FromString +#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); +#if PY_MAJOR_VERSION < 3 + #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize +#else + #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString + #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize +#endif +#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) +#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) +#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) +#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) +#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) +#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) +#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) +static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { + const Py_UNICODE *u_end = u; + while (*u_end++) ; + return (size_t)(u_end - u - 1); +} +#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) +#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode +#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode +#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) +#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); +#define __Pyx_PySequence_Tuple(obj)\ + (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); +#if CYTHON_ASSUME_SAFE_MACROS +#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) +#else +#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) +#endif +#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) +#if PY_MAJOR_VERSION >= 3 +#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) +#else +#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) +#endif +#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII +static int __Pyx_sys_getdefaultencoding_not_ascii; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + PyObject* ascii_chars_u = NULL; + PyObject* ascii_chars_b = NULL; + const char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + if (strcmp(default_encoding_c, "ascii") == 0) { + __Pyx_sys_getdefaultencoding_not_ascii = 0; + } else { + char ascii_chars[128]; + int c; + for (c = 0; c < 128; c++) { + ascii_chars[c] = c; + } + __Pyx_sys_getdefaultencoding_not_ascii = 1; + ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); + if (!ascii_chars_u) goto bad; + ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); + if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { + PyErr_Format( + PyExc_ValueError, + "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", + default_encoding_c); + goto bad; + } + Py_DECREF(ascii_chars_u); + Py_DECREF(ascii_chars_b); + } + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + Py_XDECREF(ascii_chars_u); + Py_XDECREF(ascii_chars_b); + return -1; +} +#endif +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3 +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL) +#else +#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL) +#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +static char* __PYX_DEFAULT_STRING_ENCODING; +static int __Pyx_init_sys_getdefaultencoding_params(void) { + PyObject* sys; + PyObject* default_encoding = NULL; + char* default_encoding_c; + sys = PyImport_ImportModule("sys"); + if (!sys) goto bad; + default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL); + Py_DECREF(sys); + if (!default_encoding) goto bad; + default_encoding_c = PyBytes_AsString(default_encoding); + if (!default_encoding_c) goto bad; + __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); + if (!__PYX_DEFAULT_STRING_ENCODING) goto bad; + strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); + Py_DECREF(default_encoding); + return 0; +bad: + Py_XDECREF(default_encoding); + return -1; +} +#endif +#endif + + +/* Test for GCC > 2.95 */ +#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))) + #define likely(x) __builtin_expect(!!(x), 1) + #define unlikely(x) __builtin_expect(!!(x), 0) +#else /* !__GNUC__ or GCC < 2.95 */ + #define likely(x) (x) + #define unlikely(x) (x) +#endif /* __GNUC__ */ +static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; } + +static PyObject *__pyx_m = NULL; +static PyObject *__pyx_d; +static PyObject *__pyx_b; +static PyObject *__pyx_cython_runtime = NULL; +static PyObject *__pyx_empty_tuple; +static PyObject *__pyx_empty_bytes; +static PyObject *__pyx_empty_unicode; +static int __pyx_lineno; +static int __pyx_clineno = 0; +static const char * __pyx_cfilenm= __FILE__; +static const char *__pyx_filename; + + +static const char *__pyx_f[] = { + "yarl/_quoting_c.pyx", + "stringsource", + "type.pxd", +}; + +/*--- Type declarations ---*/ +struct __pyx_obj_4yarl_10_quoting_c__Quoter; +struct __pyx_obj_4yarl_10_quoting_c__Unquoter; +struct __pyx_t_4yarl_10_quoting_c_Writer; + +/* "yarl/_quoting_c.pyx":79 + * # ----------------- writer --------------------------- + * + * cdef struct Writer: # <<<<<<<<<<<<<< + * char *buf + * Py_ssize_t size + */ +struct __pyx_t_4yarl_10_quoting_c_Writer { + char *buf; + Py_ssize_t size; + Py_ssize_t pos; + int changed; +}; + +/* "yarl/_quoting_c.pyx":169 + * + * + * cdef class _Quoter: # <<<<<<<<<<<<<< + * cdef bint _qs + * cdef bint _requote + */ +struct __pyx_obj_4yarl_10_quoting_c__Quoter { + PyObject_HEAD + struct __pyx_vtabstruct_4yarl_10_quoting_c__Quoter *__pyx_vtab; + int _qs; + int _requote; + uint8_t _safe_table[16]; + uint8_t _protected_table[16]; +}; + + +/* "yarl/_quoting_c.pyx":271 + * + * + * cdef class _Unquoter: # <<<<<<<<<<<<<< + * cdef str _unsafe + * cdef bint _qs + */ +struct __pyx_obj_4yarl_10_quoting_c__Unquoter { + PyObject_HEAD + struct __pyx_vtabstruct_4yarl_10_quoting_c__Unquoter *__pyx_vtab; + PyObject *_unsafe; + int _qs; + struct __pyx_obj_4yarl_10_quoting_c__Quoter *_quoter; + struct __pyx_obj_4yarl_10_quoting_c__Quoter *_qs_quoter; +}; + + + +/* "yarl/_quoting_c.pyx":169 + * + * + * cdef class _Quoter: # <<<<<<<<<<<<<< + * cdef bint _qs + * cdef bint _requote + */ + +struct __pyx_vtabstruct_4yarl_10_quoting_c__Quoter { + PyObject *(*_do_quote)(struct __pyx_obj_4yarl_10_quoting_c__Quoter *, PyObject *, struct __pyx_t_4yarl_10_quoting_c_Writer *); + int (*_write)(struct __pyx_obj_4yarl_10_quoting_c__Quoter *, struct __pyx_t_4yarl_10_quoting_c_Writer *, Py_UCS4); +}; +static struct __pyx_vtabstruct_4yarl_10_quoting_c__Quoter *__pyx_vtabptr_4yarl_10_quoting_c__Quoter; +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c_7_Quoter__write(struct __pyx_obj_4yarl_10_quoting_c__Quoter *, struct __pyx_t_4yarl_10_quoting_c_Writer *, Py_UCS4); + + +/* "yarl/_quoting_c.pyx":271 + * + * + * cdef class _Unquoter: # <<<<<<<<<<<<<< + * cdef str _unsafe + * cdef bint _qs + */ + +struct __pyx_vtabstruct_4yarl_10_quoting_c__Unquoter { + PyObject *(*_do_unquote)(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *, PyObject *); 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}} while(0) + #define __Pyx_XDECREF(r) do { if((r) != NULL) {__Pyx_DECREF(r); }} while(0) + #define __Pyx_XGOTREF(r) do { if((r) != NULL) {__Pyx_GOTREF(r); }} while(0) + #define __Pyx_XGIVEREF(r) do { if((r) != NULL) {__Pyx_GIVEREF(r);}} while(0) +#else + #define __Pyx_RefNannyDeclarations + #define __Pyx_RefNannySetupContext(name, acquire_gil) + #define __Pyx_RefNannyFinishContext() + #define __Pyx_INCREF(r) Py_INCREF(r) + #define __Pyx_DECREF(r) Py_DECREF(r) + #define __Pyx_GOTREF(r) + #define __Pyx_GIVEREF(r) + #define __Pyx_XINCREF(r) Py_XINCREF(r) + #define __Pyx_XDECREF(r) Py_XDECREF(r) + #define __Pyx_XGOTREF(r) + #define __Pyx_XGIVEREF(r) +#endif +#define __Pyx_XDECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_XDECREF(tmp);\ + } while (0) +#define __Pyx_DECREF_SET(r, v) do {\ + PyObject *tmp = (PyObject *) r;\ + r = v; __Pyx_DECREF(tmp);\ + } while (0) +#define __Pyx_CLEAR(r) do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0) +#define __Pyx_XCLEAR(r) do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0) + +/* PyObjectGetAttrStr.proto */ +#if CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n) +#endif + +/* GetBuiltinName.proto */ +static PyObject *__Pyx_GetBuiltinName(PyObject *name); + +/* PyThreadStateGet.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyThreadState_declare PyThreadState *__pyx_tstate; +#define __Pyx_PyThreadState_assign __pyx_tstate = __Pyx_PyThreadState_Current; +#define __Pyx_PyErr_Occurred() __pyx_tstate->curexc_type +#else +#define __Pyx_PyThreadState_declare +#define __Pyx_PyThreadState_assign +#define __Pyx_PyErr_Occurred() PyErr_Occurred() +#endif + +/* PyErrFetchRestore.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_Clear() __Pyx_ErrRestore(NULL, NULL, NULL) +#define __Pyx_ErrRestoreWithState(type, value, tb) __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) __Pyx_ErrFetchInState(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_PyErr_SetNone(exc) (Py_INCREF(exc), __Pyx_ErrRestore((exc), NULL, NULL)) +#else +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#endif +#else +#define __Pyx_PyErr_Clear() PyErr_Clear() +#define __Pyx_PyErr_SetNone(exc) PyErr_SetNone(exc) +#define __Pyx_ErrRestoreWithState(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchWithState(type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestoreInState(tstate, type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetchInState(tstate, type, value, tb) PyErr_Fetch(type, value, tb) +#define __Pyx_ErrRestore(type, value, tb) PyErr_Restore(type, value, tb) +#define __Pyx_ErrFetch(type, value, tb) PyErr_Fetch(type, value, tb) +#endif + +/* WriteUnraisableException.proto */ +static void __Pyx_WriteUnraisable(const char *name, int clineno, + int lineno, const char *filename, + int full_traceback, int nogil); + +/* RaiseDoubleKeywords.proto */ +static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name); + +/* ParseKeywords.proto */ +static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\ + PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\ + const char* function_name); + +/* RaiseArgTupleInvalid.proto */ +static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact, + Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); + +/* ArgTypeTest.proto */ +#define __Pyx_ArgTypeTest(obj, type, none_allowed, name, exact)\ + ((likely((Py_TYPE(obj) == type) | (none_allowed && (obj == Py_None)))) ? 1 :\ + __Pyx__ArgTypeTest(obj, type, name, exact)) +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact); + +/* unicode_iter.proto */ +static CYTHON_INLINE int __Pyx_init_unicode_iteration( + PyObject* ustring, Py_ssize_t *length, void** data, int *kind); + +/* PyObjectCall.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); +#else +#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw) +#endif + +/* RaiseException.proto */ +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); + +/* PyCFunctionFastCall.proto */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs); +#else +#define __Pyx_PyCFunction_FastCall(func, args, nargs) (assert(0), NULL) +#endif + +/* PyFunctionFastCall.proto */ +#if CYTHON_FAST_PYCALL +#define __Pyx_PyFunction_FastCall(func, args, nargs)\ + __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL) +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs); +#else +#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs) +#endif +#define __Pyx_BUILD_ASSERT_EXPR(cond)\ + (sizeof(char [1 - 2*!(cond)]) - 1) +#ifndef Py_MEMBER_SIZE +#define Py_MEMBER_SIZE(type, member) sizeof(((type *)0)->member) +#endif + static size_t __pyx_pyframe_localsplus_offset = 0; + #include "frameobject.h" + #define __Pxy_PyFrame_Initialize_Offsets()\ + ((void)__Pyx_BUILD_ASSERT_EXPR(sizeof(PyFrameObject) == offsetof(PyFrameObject, f_localsplus) + Py_MEMBER_SIZE(PyFrameObject, f_localsplus)),\ + (void)(__pyx_pyframe_localsplus_offset = ((size_t)PyFrame_Type.tp_basicsize) - Py_MEMBER_SIZE(PyFrameObject, f_localsplus))) + #define __Pyx_PyFrame_GetLocalsplus(frame)\ + (assert(__pyx_pyframe_localsplus_offset), (PyObject **)(((char *)(frame)) + __pyx_pyframe_localsplus_offset)) +#endif + +/* PyObjectCallMethO.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); +#endif + +/* PyObjectCallOneArg.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); + +/* GetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_GetException(type, value, tb) __Pyx__GetException(__pyx_tstate, type, value, tb) +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* SwapException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSwap(type, value, tb) __Pyx__ExceptionSwap(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb); +#endif + +/* GetTopmostException.proto */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * __Pyx_PyErr_GetTopmostException(PyThreadState *tstate); +#endif + +/* SaveResetException.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_ExceptionSave(type, value, tb) __Pyx__ExceptionSave(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb); +#define __Pyx_ExceptionReset(type, value, tb) __Pyx__ExceptionReset(__pyx_tstate, type, value, tb) +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb); +#else +#define __Pyx_ExceptionSave(type, value, tb) PyErr_GetExcInfo(type, value, tb) +#define __Pyx_ExceptionReset(type, value, tb) PyErr_SetExcInfo(type, value, tb) +#endif + +/* GetItemIntUnicode.proto */ +#define __Pyx_GetItemInt_Unicode(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Unicode_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "string index out of range"), (Py_UCS4)-1)) +static CYTHON_INLINE Py_UCS4 __Pyx_GetItemInt_Unicode_Fast(PyObject* ustring, Py_ssize_t i, + int wraparound, int boundscheck); + +/* ReRaiseException.proto */ +static CYTHON_INLINE void __Pyx_ReraiseException(void); + +/* PyErrExceptionMatches.proto */ +#if CYTHON_FAST_THREAD_STATE +#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err) +static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err); +#else +#define __Pyx_PyErr_ExceptionMatches(err) PyErr_ExceptionMatches(err) +#endif + +/* GetAttr.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *, PyObject *); + +/* GetAttr3.proto */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *, PyObject *, PyObject *); + +/* PyDictVersioning.proto */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +#define __PYX_DICT_VERSION_INIT ((PY_UINT64_T) -1) +#define __PYX_GET_DICT_VERSION(dict) (((PyDictObject*)(dict))->ma_version_tag) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var)\ + (version_var) = __PYX_GET_DICT_VERSION(dict);\ + (cache_var) = (value); +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + if (likely(__PYX_GET_DICT_VERSION(DICT) == __pyx_dict_version)) {\ + (VAR) = __pyx_dict_cached_value;\ + } else {\ + (VAR) = __pyx_dict_cached_value = (LOOKUP);\ + __pyx_dict_version = __PYX_GET_DICT_VERSION(DICT);\ + }\ +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj); +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj); +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version); +#else +#define __PYX_GET_DICT_VERSION(dict) (0) +#define __PYX_UPDATE_DICT_CACHE(dict, value, cache_var, version_var) +#define __PYX_PY_DICT_LOOKUP_IF_MODIFIED(VAR, DICT, LOOKUP) (VAR) = (LOOKUP); +#endif + +/* GetModuleGlobalName.proto */ +#if CYTHON_USE_DICT_VERSIONS +#define __Pyx_GetModuleGlobalName(var, name) {\ + static PY_UINT64_T __pyx_dict_version = 0;\ + static PyObject *__pyx_dict_cached_value = NULL;\ + (var) = (likely(__pyx_dict_version == __PYX_GET_DICT_VERSION(__pyx_d))) ?\ + (likely(__pyx_dict_cached_value) ? __Pyx_NewRef(__pyx_dict_cached_value) : __Pyx_GetBuiltinName(name)) :\ + __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +#define __Pyx_GetModuleGlobalNameUncached(var, name) {\ + PY_UINT64_T __pyx_dict_version;\ + PyObject *__pyx_dict_cached_value;\ + (var) = __Pyx__GetModuleGlobalName(name, &__pyx_dict_version, &__pyx_dict_cached_value);\ +} +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value); +#else +#define __Pyx_GetModuleGlobalName(var, name) (var) = __Pyx__GetModuleGlobalName(name) +#define __Pyx_GetModuleGlobalNameUncached(var, name) (var) = __Pyx__GetModuleGlobalName(name) +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name); +#endif + +/* PyObjectCallNoArg.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); +#else +#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) +#endif + +/* ListAppend.proto */ +#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS +static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) { + PyListObject* L = (PyListObject*) list; + Py_ssize_t len = Py_SIZE(list); + if (likely(L->allocated > len) & likely(len > (L->allocated >> 1))) { + Py_INCREF(x); + PyList_SET_ITEM(list, len, x); + __Pyx_SET_SIZE(list, len + 1); + return 0; + } + return PyList_Append(list, x); +} +#else +#define __Pyx_PyList_Append(L,x) PyList_Append(L,x) +#endif + +/* PyUnicode_Substring.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Substring( + PyObject* text, Py_ssize_t start, Py_ssize_t stop); + +/* PyUnicodeContains.proto */ +static CYTHON_INLINE int __Pyx_PyUnicode_ContainsTF(PyObject* substring, PyObject* text, int eq) { + int result = PyUnicode_Contains(text, substring); + return unlikely(result < 0) ? result : (result == (eq == Py_EQ)); +} + +/* PyObjectCall2Args.proto */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); + +/* SliceObject.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice( + PyObject* obj, Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** py_start, PyObject** py_stop, PyObject** py_slice, + int has_cstart, int has_cstop, int wraparound); + +/* Import.proto */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); + +/* ImportFrom.proto */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); + +/* GetItemInt.proto */ +#define __Pyx_GetItemInt(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Fast(o, (Py_ssize_t)i, is_list, wraparound, boundscheck) :\ + (is_list ? (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL) :\ + __Pyx_GetItemInt_Generic(o, to_py_func(i)))) +#define __Pyx_GetItemInt_List(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_List_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "list index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +#define __Pyx_GetItemInt_Tuple(o, i, type, is_signed, to_py_func, is_list, wraparound, boundscheck)\ + (__Pyx_fits_Py_ssize_t(i, type, is_signed) ?\ + __Pyx_GetItemInt_Tuple_Fast(o, (Py_ssize_t)i, wraparound, boundscheck) :\ + (PyErr_SetString(PyExc_IndexError, "tuple index out of range"), (PyObject*)NULL)) +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + int wraparound, int boundscheck); +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, + int is_list, int wraparound, int boundscheck); + +/* IncludeStringH.proto */ +#include + +/* HasAttr.proto */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); + +/* ExtTypeTest.proto */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); + +/* PyObject_GenericGetAttrNoDict.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr +#endif + +/* PyObject_GenericGetAttr.proto */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); +#else +#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr +#endif + +/* SetVTable.proto */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable); + +/* PyObjectGetAttrStrNoError.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name); + +/* SetupReduce.proto */ +static int __Pyx_setup_reduce(PyObject* type_obj); + +/* TypeImport.proto */ +#ifndef __PYX_HAVE_RT_ImportType_proto +#define __PYX_HAVE_RT_ImportType_proto +enum __Pyx_ImportType_CheckSize { + __Pyx_ImportType_CheckSize_Error = 0, + __Pyx_ImportType_CheckSize_Warn = 1, + __Pyx_ImportType_CheckSize_Ignore = 2 +}; +static PyTypeObject *__Pyx_ImportType(PyObject* module, const char *module_name, const char *class_name, size_t size, enum __Pyx_ImportType_CheckSize check_size); +#endif + +/* CLineInTraceback.proto */ +#ifdef CYTHON_CLINE_IN_TRACEBACK +#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) +#else +static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); +#endif + +/* CodeObjectCache.proto */ +typedef struct { + PyCodeObject* code_object; + int code_line; +} __Pyx_CodeObjectCacheEntry; +struct __Pyx_CodeObjectCache { + int count; + int max_count; + __Pyx_CodeObjectCacheEntry* entries; +}; +static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); +static PyCodeObject *__pyx_find_code_object(int code_line); +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); + +/* AddTraceback.proto */ +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); + +/* CIntToPy.proto */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); + +/* PyUCS4InUnicode.proto */ +static CYTHON_INLINE int __Pyx_UnicodeContainsUCS4(PyObject* unicode, Py_UCS4 character); + +/* UnicodeAsUCS4.proto */ +static CYTHON_INLINE Py_UCS4 __Pyx_PyUnicode_AsPy_UCS4(PyObject*); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint8_t __Pyx_PyInt_As_uint8_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(PyObject *); + +/* CIntFromPy.proto */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); + +/* ObjectAsUCS4.proto */ +#define __Pyx_PyObject_AsPy_UCS4(x)\ + (likely(PyUnicode_Check(x)) ? __Pyx_PyUnicode_AsPy_UCS4(x) : __Pyx__PyObject_AsPy_UCS4(x)) +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4(PyObject*); + +/* CIntFromPy.proto */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); + +/* FastTypeChecks.proto */ +#if CYTHON_COMPILING_IN_CPYTHON +#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); +static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); +#else +#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) +#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) +#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) +#endif +#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) + +/* CheckBinaryVersion.proto */ +static int __Pyx_check_binary_version(void); + +/* InitStrings.proto */ +static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); + +static PyObject *__pyx_f_4yarl_10_quoting_c_7_Quoter__do_quote(struct __pyx_obj_4yarl_10_quoting_c__Quoter *__pyx_v_self, PyObject *__pyx_v_val, struct __pyx_t_4yarl_10_quoting_c_Writer *__pyx_v_writer); /* proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c_7_Quoter__write(struct __pyx_obj_4yarl_10_quoting_c__Quoter *__pyx_v_self, struct __pyx_t_4yarl_10_quoting_c_Writer *__pyx_v_writer, Py_UCS4 __pyx_v_ch); /* proto*/ +static PyObject *__pyx_f_4yarl_10_quoting_c_9_Unquoter__do_unquote(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *__pyx_v_self, PyObject *__pyx_v_val); /* proto*/ + +/* Module declarations from 'libc.stdint' */ + +/* Module declarations from 'libc.string' */ + +/* Module declarations from 'libc.stdio' */ + +/* Module declarations from '__builtin__' */ + +/* Module declarations from 'cpython.type' */ +static PyTypeObject *__pyx_ptype_7cpython_4type_type = 0; + +/* Module declarations from 'cpython' */ + +/* Module declarations from 'cpython.object' */ + +/* Module declarations from 'cpython.exc' */ + +/* Module declarations from 'cpython.mem' */ + +/* Module declarations from 'cpython.unicode' */ + +/* Module declarations from 'yarl._quoting_c' */ +static PyTypeObject *__pyx_ptype_4yarl_10_quoting_c__Quoter = 0; +static PyTypeObject *__pyx_ptype_4yarl_10_quoting_c__Unquoter = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_GEN_DELIMS = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_SUB_DELIMS_WITHOUT_QS = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_SUB_DELIMS = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_RESERVED = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_UNRESERVED = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_ALLOWED = 0; +static PyObject *__pyx_v_4yarl_10_quoting_c_QS = 0; +static char __pyx_v_4yarl_10_quoting_c_BUFFER[0x2000]; +static uint8_t __pyx_v_4yarl_10_quoting_c_ALLOWED_TABLE[16]; +static uint8_t __pyx_v_4yarl_10_quoting_c_ALLOWED_NOTQS_TABLE[16]; +static CYTHON_INLINE Py_UCS4 __pyx_f_4yarl_10_quoting_c__to_hex(uint8_t); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c__from_hex(Py_UCS4); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c__is_lower_hex(Py_UCS4); /*proto*/ +static CYTHON_INLINE Py_UCS4 __pyx_f_4yarl_10_quoting_c__restore_ch(Py_UCS4, Py_UCS4); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c_bit_at(uint8_t *, uint64_t); /*proto*/ +static CYTHON_INLINE void __pyx_f_4yarl_10_quoting_c_set_bit(uint8_t *, uint64_t); /*proto*/ +static CYTHON_INLINE void __pyx_f_4yarl_10_quoting_c__init_writer(struct __pyx_t_4yarl_10_quoting_c_Writer *); /*proto*/ +static CYTHON_INLINE void __pyx_f_4yarl_10_quoting_c__release_writer(struct __pyx_t_4yarl_10_quoting_c_Writer *); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c__write_char(struct __pyx_t_4yarl_10_quoting_c_Writer *, Py_UCS4, int); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c__write_pct(struct __pyx_t_4yarl_10_quoting_c_Writer *, uint8_t, int); /*proto*/ +static CYTHON_INLINE int __pyx_f_4yarl_10_quoting_c__write_utf8(struct __pyx_t_4yarl_10_quoting_c_Writer *, Py_UCS4); /*proto*/ +static PyObject *__pyx_f_4yarl_10_quoting_c___pyx_unpickle__Quoter__set_state(struct __pyx_obj_4yarl_10_quoting_c__Quoter *, PyObject *); /*proto*/ +static PyObject *__pyx_f_4yarl_10_quoting_c___pyx_unpickle__Unquoter__set_state(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *, PyObject *); /*proto*/ +static int __Pyx_carray_from_py_uint8_t(PyObject *, uint8_t *, Py_ssize_t); /*proto*/ +#define __Pyx_MODULE_NAME "yarl._quoting_c" +extern int __pyx_module_is_main_yarl___quoting_c; +int __pyx_module_is_main_yarl___quoting_c = 0; + +/* Implementation of 'yarl._quoting_c' */ +static PyObject *__pyx_builtin_range; +static PyObject *__pyx_builtin_chr; +static PyObject *__pyx_builtin_ValueError; +static PyObject *__pyx_builtin_TypeError; +static PyObject *__pyx_builtin_UnicodeDecodeError; +static PyObject *__pyx_builtin_hex; +static PyObject *__pyx_builtin_OverflowError; +static PyObject *__pyx_builtin_enumerate; +static PyObject *__pyx_builtin_IndexError; +static const char __pyx_k_[] = ""; +static const char __pyx_k_i[] = "i"; +static const char __pyx_k__4[] = "+=&;"; +static const char __pyx_k__5[] = "+"; +static const char __pyx_k__6[] = " "; 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+static const char __pyx_k_reduce[] = "__reduce__"; +static const char __pyx_k_string[] = "string"; +static const char __pyx_k_unsafe[] = "unsafe"; +static const char __pyx_k_update[] = "update"; +static const char __pyx_k_requote[] = "requote"; +static const char __pyx_k_Unquoter[] = "_Unquoter"; +static const char __pyx_k_getstate[] = "__getstate__"; +static const char __pyx_k_pyx_type[] = "__pyx_type"; +static const char __pyx_k_setstate[] = "__setstate__"; +static const char __pyx_k_TypeError[] = "TypeError"; +static const char __pyx_k_enumerate[] = "enumerate"; +static const char __pyx_k_protected[] = "protected"; +static const char __pyx_k_pyx_state[] = "__pyx_state"; +static const char __pyx_k_reduce_ex[] = "__reduce_ex__"; +static const char __pyx_k_IndexError[] = "IndexError"; +static const char __pyx_k_ValueError[] = "ValueError"; +static const char __pyx_k_pyx_result[] = "__pyx_result"; +static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__"; +static const char __pyx_k_PickleError[] = "PickleError"; +static const char __pyx_k_pyx_checksum[] = "__pyx_checksum"; +static const char __pyx_k_stringsource[] = "stringsource"; +static const char __pyx_k_OverflowError[] = "OverflowError"; +static const char __pyx_k_ascii_letters[] = "ascii_letters"; +static const char __pyx_k_reduce_cython[] = "__reduce_cython__"; +static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError"; +static const char __pyx_k_setstate_cython[] = "__setstate_cython__"; +static const char __pyx_k_yarl__quoting_c[] = "yarl._quoting_c"; +static const char __pyx_k_UnicodeDecodeError[] = "UnicodeDecodeError"; +static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback"; +static const char __pyx_k_pyx_unpickle__Quoter[] = "__pyx_unpickle__Quoter"; +static const char __pyx_k_Argument_should_be_str[] = "Argument should be str"; +static const char __pyx_k_pyx_unpickle__Unquoter[] = "__pyx_unpickle__Unquoter"; +static const char __pyx_k_Incompatible_checksums_s_vs_0x27[] = "Incompatible checksums (%s vs 0x276577d = (_qs, _qs_quoter, _quoter, _unsafe))"; +static const char __pyx_k_Incompatible_checksums_s_vs_0xe9[] = "Incompatible checksums (%s vs 0xe91bd35 = (_protected_table, _qs, _requote, _safe_table))"; +static const char __pyx_k_Only_safe_symbols_with_ORD_128_a[] = "Only safe symbols with ORD < 128 are allowed"; +static PyObject *__pyx_kp_u_; +static PyObject *__pyx_kp_u_Argument_should_be_str; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0x27; +static PyObject *__pyx_kp_s_Incompatible_checksums_s_vs_0xe9; +static PyObject *__pyx_n_s_IndexError; +static PyObject *__pyx_kp_u_Only_safe_symbols_with_ORD_128_a; +static PyObject *__pyx_n_s_OverflowError; +static PyObject *__pyx_n_s_PickleError; +static PyObject *__pyx_n_s_Quoter; +static PyObject *__pyx_n_s_TypeError; +static PyObject *__pyx_n_s_UnicodeDecodeError; +static PyObject *__pyx_n_s_Unquoter; +static PyObject *__pyx_n_s_ValueError; +static PyObject *__pyx_kp_u__10; +static PyObject *__pyx_kp_u__11; +static PyObject *__pyx_kp_u__12; +static PyObject *__pyx_kp_u__13; +static PyObject *__pyx_kp_u__4; +static PyObject *__pyx_kp_u__5; +static PyObject *__pyx_kp_u__6; +static PyObject *__pyx_kp_u__7; +static PyObject *__pyx_kp_u__9; +static PyObject *__pyx_n_s_ascii_letters; +static PyObject *__pyx_n_s_chr; +static PyObject *__pyx_n_s_cline_in_traceback; +static PyObject *__pyx_n_s_dict; +static PyObject *__pyx_n_s_digits; +static PyObject *__pyx_n_s_enumerate; +static PyObject *__pyx_n_s_getstate; +static PyObject *__pyx_n_s_hex; +static PyObject *__pyx_n_s_i; +static PyObject *__pyx_n_s_import; +static PyObject *__pyx_n_s_main; +static PyObject *__pyx_n_s_name; +static PyObject *__pyx_n_s_new; +static PyObject *__pyx_n_s_pickle; +static PyObject *__pyx_n_s_protected; +static PyObject *__pyx_n_s_pyx_PickleError; +static PyObject *__pyx_n_s_pyx_checksum; +static PyObject *__pyx_n_s_pyx_result; +static PyObject *__pyx_n_s_pyx_state; +static PyObject 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__pyx_v_requote); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_7_Quoter_2__call__(struct __pyx_obj_4yarl_10_quoting_c__Quoter *__pyx_v_self, PyObject *__pyx_v_val); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_7_Quoter_4__reduce_cython__(struct __pyx_obj_4yarl_10_quoting_c__Quoter *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_7_Quoter_6__setstate_cython__(struct __pyx_obj_4yarl_10_quoting_c__Quoter *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static int __pyx_pf_4yarl_10_quoting_c_9_Unquoter___init__(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *__pyx_v_self, PyObject *__pyx_v_unsafe, PyObject *__pyx_v_qs); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_9_Unquoter_2__call__(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *__pyx_v_self, PyObject *__pyx_v_val); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_9_Unquoter_4__reduce_cython__(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *__pyx_v_self); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_9_Unquoter_6__setstate_cython__(struct __pyx_obj_4yarl_10_quoting_c__Unquoter *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c___pyx_unpickle__Quoter(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */ +static PyObject *__pyx_pf_4yarl_10_quoting_c_2__pyx_unpickle__Unquoter(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */ +static PyObject *__pyx_tp_new_4yarl_10_quoting_c__Quoter(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/ +static PyObject *__pyx_tp_new_4yarl_10_quoting_c__Unquoter(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/ +static PyObject *__pyx_int_2; +static PyObject *__pyx_int_41310077; +static PyObject *__pyx_int_244432181; +static PyObject *__pyx_slice__8; +static PyObject 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+ *value = tstate->curexc_value; + *tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +} +#endif + +/* WriteUnraisableException */ +static void __Pyx_WriteUnraisable(const char *name, CYTHON_UNUSED int clineno, + CYTHON_UNUSED int lineno, CYTHON_UNUSED const char *filename, + int full_traceback, CYTHON_UNUSED int nogil) { + PyObject *old_exc, *old_val, *old_tb; + PyObject *ctx; + __Pyx_PyThreadState_declare +#ifdef WITH_THREAD + PyGILState_STATE state; + if (nogil) + state = PyGILState_Ensure(); +#ifdef _MSC_VER + else state = (PyGILState_STATE)-1; +#endif +#endif + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&old_exc, &old_val, &old_tb); + if (full_traceback) { + Py_XINCREF(old_exc); + Py_XINCREF(old_val); + Py_XINCREF(old_tb); + __Pyx_ErrRestore(old_exc, old_val, old_tb); + PyErr_PrintEx(1); + } + #if PY_MAJOR_VERSION < 3 + ctx = PyString_FromString(name); + #else + ctx = PyUnicode_FromString(name); + #endif + __Pyx_ErrRestore(old_exc, old_val, old_tb); + if (!ctx) { + PyErr_WriteUnraisable(Py_None); + } else { + PyErr_WriteUnraisable(ctx); + Py_DECREF(ctx); + } +#ifdef WITH_THREAD + if (nogil) + PyGILState_Release(state); +#endif +} + +/* RaiseDoubleKeywords */ +static void __Pyx_RaiseDoubleKeywordsError( + const char* func_name, + PyObject* kw_name) +{ + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION >= 3 + "%s() got multiple values for keyword argument '%U'", func_name, kw_name); + #else + "%s() got multiple values for keyword argument '%s'", func_name, + PyString_AsString(kw_name)); + #endif +} + +/* ParseKeywords */ +static int __Pyx_ParseOptionalKeywords( + PyObject *kwds, + PyObject **argnames[], + PyObject *kwds2, + PyObject *values[], + Py_ssize_t num_pos_args, + const char* function_name) +{ + PyObject *key = 0, *value = 0; + Py_ssize_t pos = 0; + PyObject*** name; + PyObject*** first_kw_arg = argnames + num_pos_args; + while (PyDict_Next(kwds, &pos, &key, &value)) { + name = first_kw_arg; + while (*name && (**name != key)) name++; + if (*name) { + values[name-argnames] = value; + continue; + } + name = first_kw_arg; + #if PY_MAJOR_VERSION < 3 + if (likely(PyString_Check(key))) { + while (*name) { + if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) + && _PyString_Eq(**name, key)) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + if ((**argname == key) || ( + (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) + && _PyString_Eq(**argname, key))) { + goto arg_passed_twice; + } + argname++; + } + } + } else + #endif + if (likely(PyUnicode_Check(key))) { + while (*name) { + int cmp = (**name == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**name) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**name, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) { + values[name-argnames] = value; + break; + } + name++; + } + if (*name) continue; + else { + PyObject*** argname = argnames; + while (argname != first_kw_arg) { + int cmp = (**argname == key) ? 0 : + #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 + (__Pyx_PyUnicode_GET_LENGTH(**argname) != __Pyx_PyUnicode_GET_LENGTH(key)) ? 1 : + #endif + PyUnicode_Compare(**argname, key); + if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; + if (cmp == 0) goto arg_passed_twice; + argname++; + } + } + } else + goto invalid_keyword_type; + if (kwds2) { + if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; + } else { + goto invalid_keyword; + } + } + return 0; +arg_passed_twice: + __Pyx_RaiseDoubleKeywordsError(function_name, key); + goto bad; +invalid_keyword_type: + PyErr_Format(PyExc_TypeError, + "%.200s() keywords must be strings", function_name); + goto bad; +invalid_keyword: + PyErr_Format(PyExc_TypeError, + #if PY_MAJOR_VERSION < 3 + "%.200s() got an unexpected keyword argument '%.200s'", + function_name, PyString_AsString(key)); + #else + "%s() got an unexpected keyword argument '%U'", + function_name, key); + #endif +bad: + return -1; +} + +/* RaiseArgTupleInvalid */ +static void __Pyx_RaiseArgtupleInvalid( + const char* func_name, + int exact, + Py_ssize_t num_min, + Py_ssize_t num_max, + Py_ssize_t num_found) +{ + Py_ssize_t num_expected; + const char *more_or_less; + if (num_found < num_min) { + num_expected = num_min; + more_or_less = "at least"; + } else { + num_expected = num_max; + more_or_less = "at most"; + } + if (exact) { + more_or_less = "exactly"; + } + PyErr_Format(PyExc_TypeError, + "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)", + func_name, more_or_less, num_expected, + (num_expected == 1) ? "" : "s", num_found); +} + +/* ArgTypeTest */ +static int __Pyx__ArgTypeTest(PyObject *obj, PyTypeObject *type, const char *name, int exact) +{ + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + else if (exact) { + #if PY_MAJOR_VERSION == 2 + if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1; + #endif + } + else { + if (likely(__Pyx_TypeCheck(obj, type))) return 1; + } + PyErr_Format(PyExc_TypeError, + "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)", + name, type->tp_name, Py_TYPE(obj)->tp_name); + return 0; +} + +/* unicode_iter */ +static CYTHON_INLINE int __Pyx_init_unicode_iteration( + PyObject* ustring, Py_ssize_t *length, void** data, int *kind) { +#if CYTHON_PEP393_ENABLED + if (unlikely(__Pyx_PyUnicode_READY(ustring) < 0)) return -1; + *kind = PyUnicode_KIND(ustring); + *length = PyUnicode_GET_LENGTH(ustring); + *data = PyUnicode_DATA(ustring); +#else + *kind = 0; + *length = PyUnicode_GET_SIZE(ustring); + *data = (void*)PyUnicode_AS_UNICODE(ustring); +#endif + return 0; +} + +/* PyObjectCall */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { + PyObject *result; + ternaryfunc call = func->ob_type->tp_call; + if (unlikely(!call)) + return PyObject_Call(func, arg, kw); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = (*call)(func, arg, kw); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* RaiseException */ +#if PY_MAJOR_VERSION < 3 +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, + CYTHON_UNUSED PyObject *cause) { + __Pyx_PyThreadState_declare + Py_XINCREF(type); + if (!value || value == Py_None) + value = NULL; + else + Py_INCREF(value); + if (!tb || tb == Py_None) + tb = NULL; + else { + Py_INCREF(tb); + if (!PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto raise_error; + } + } + if (PyType_Check(type)) { +#if CYTHON_COMPILING_IN_PYPY + if (!value) { + Py_INCREF(Py_None); + value = Py_None; + } +#endif + PyErr_NormalizeException(&type, &value, &tb); + } else { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto raise_error; + } + value = type; + type = (PyObject*) Py_TYPE(type); + Py_INCREF(type); + if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto raise_error; + } + } + __Pyx_PyThreadState_assign + __Pyx_ErrRestore(type, value, tb); + return; +raise_error: + Py_XDECREF(value); + Py_XDECREF(type); + Py_XDECREF(tb); + return; +} +#else +static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { + PyObject* owned_instance = NULL; + if (tb == Py_None) { + tb = 0; + } else if (tb && !PyTraceBack_Check(tb)) { + PyErr_SetString(PyExc_TypeError, + "raise: arg 3 must be a traceback or None"); + goto bad; + } + if (value == Py_None) + value = 0; + if (PyExceptionInstance_Check(type)) { + if (value) { + PyErr_SetString(PyExc_TypeError, + "instance exception may not have a separate value"); + goto bad; + } + value = type; + type = (PyObject*) Py_TYPE(value); + } else if (PyExceptionClass_Check(type)) { + PyObject *instance_class = NULL; + if (value && PyExceptionInstance_Check(value)) { + instance_class = (PyObject*) Py_TYPE(value); + if (instance_class != type) { + int is_subclass = PyObject_IsSubclass(instance_class, type); + if (!is_subclass) { + instance_class = NULL; + } else if (unlikely(is_subclass == -1)) { + goto bad; + } else { + type = instance_class; + } + } + } + if (!instance_class) { + PyObject *args; + if (!value) + args = PyTuple_New(0); + else if (PyTuple_Check(value)) { + Py_INCREF(value); + args = value; + } else + args = PyTuple_Pack(1, value); + if (!args) + goto bad; + owned_instance = PyObject_Call(type, args, NULL); + Py_DECREF(args); + if (!owned_instance) + goto bad; + value = owned_instance; + if (!PyExceptionInstance_Check(value)) { + PyErr_Format(PyExc_TypeError, + "calling %R should have returned an instance of " + "BaseException, not %R", + type, Py_TYPE(value)); + goto bad; + } + } + } else { + PyErr_SetString(PyExc_TypeError, + "raise: exception class must be a subclass of BaseException"); + goto bad; + } + if (cause) { + PyObject *fixed_cause; + if (cause == Py_None) { + fixed_cause = NULL; + } else if (PyExceptionClass_Check(cause)) { + fixed_cause = PyObject_CallObject(cause, NULL); + if (fixed_cause == NULL) + goto bad; + } else if (PyExceptionInstance_Check(cause)) { + fixed_cause = cause; + Py_INCREF(fixed_cause); + } else { + PyErr_SetString(PyExc_TypeError, + "exception causes must derive from " + "BaseException"); + goto bad; + } + PyException_SetCause(value, fixed_cause); + } + PyErr_SetObject(type, value); + if (tb) { +#if CYTHON_COMPILING_IN_PYPY + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); + Py_INCREF(tb); + PyErr_Restore(tmp_type, tmp_value, tb); + Py_XDECREF(tmp_tb); +#else + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject* tmp_tb = tstate->curexc_traceback; + if (tb != tmp_tb) { + Py_INCREF(tb); + tstate->curexc_traceback = tb; + Py_XDECREF(tmp_tb); + } +#endif + } +bad: + Py_XDECREF(owned_instance); + return; +} +#endif + +/* PyCFunctionFastCall */ +#if CYTHON_FAST_PYCCALL +static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { + PyCFunctionObject *func = (PyCFunctionObject*)func_obj; + PyCFunction meth = PyCFunction_GET_FUNCTION(func); + PyObject *self = PyCFunction_GET_SELF(func); + int flags = PyCFunction_GET_FLAGS(func); + assert(PyCFunction_Check(func)); + assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); + assert(nargs >= 0); + assert(nargs == 0 || args != NULL); + /* _PyCFunction_FastCallDict() must not be called with an exception set, + because it may clear it (directly or indirectly) and so the + caller loses its exception */ + assert(!PyErr_Occurred()); + if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { + return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); + } else { + return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); + } +} +#endif + +/* PyFunctionFastCall */ +#if CYTHON_FAST_PYCALL +static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, + PyObject *globals) { + PyFrameObject *f; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + PyObject **fastlocals; + Py_ssize_t i; + PyObject *result; + assert(globals != NULL); + /* XXX Perhaps we should create a specialized + PyFrame_New() that doesn't take locals, but does + take builtins without sanity checking them. + */ + assert(tstate != NULL); + f = PyFrame_New(tstate, co, globals, NULL); + if (f == NULL) { + return NULL; + } + fastlocals = __Pyx_PyFrame_GetLocalsplus(f); + for (i = 0; i < na; i++) { + Py_INCREF(*args); + fastlocals[i] = *args++; + } + result = PyEval_EvalFrameEx(f,0); + ++tstate->recursion_depth; + Py_DECREF(f); + --tstate->recursion_depth; + return result; +} +#if 1 || PY_VERSION_HEX < 0x030600B1 +static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { + PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); + PyObject *globals = PyFunction_GET_GLOBALS(func); + PyObject *argdefs = PyFunction_GET_DEFAULTS(func); + PyObject *closure; +#if PY_MAJOR_VERSION >= 3 + PyObject *kwdefs; +#endif + PyObject *kwtuple, **k; + PyObject **d; + Py_ssize_t nd; + Py_ssize_t nk; + PyObject *result; + assert(kwargs == NULL || PyDict_Check(kwargs)); + nk = kwargs ? PyDict_Size(kwargs) : 0; + if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { + return NULL; + } + if ( +#if PY_MAJOR_VERSION >= 3 + co->co_kwonlyargcount == 0 && +#endif + likely(kwargs == NULL || nk == 0) && + co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { + if (argdefs == NULL && co->co_argcount == nargs) { + result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); + goto done; + } + else if (nargs == 0 && argdefs != NULL + && co->co_argcount == Py_SIZE(argdefs)) { + /* function called with no arguments, but all parameters have + a default value: use default values as arguments .*/ + args = &PyTuple_GET_ITEM(argdefs, 0); + result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); + goto done; + } + } + if (kwargs != NULL) { + Py_ssize_t pos, i; + kwtuple = PyTuple_New(2 * nk); + if (kwtuple == NULL) { + result = NULL; + goto done; + } + k = &PyTuple_GET_ITEM(kwtuple, 0); + pos = i = 0; + while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { + Py_INCREF(k[i]); + Py_INCREF(k[i+1]); + i += 2; + } + nk = i / 2; + } + else { + kwtuple = NULL; + k = NULL; + } + closure = PyFunction_GET_CLOSURE(func); +#if PY_MAJOR_VERSION >= 3 + kwdefs = PyFunction_GET_KW_DEFAULTS(func); +#endif + if (argdefs != NULL) { + d = &PyTuple_GET_ITEM(argdefs, 0); + nd = Py_SIZE(argdefs); + } + else { + d = NULL; + nd = 0; + } +#if PY_MAJOR_VERSION >= 3 + result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, kwdefs, closure); +#else + result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, + args, (int)nargs, + k, (int)nk, + d, (int)nd, closure); +#endif + Py_XDECREF(kwtuple); +done: + Py_LeaveRecursiveCall(); + return result; +} +#endif +#endif + +/* PyObjectCallMethO */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { + PyObject *self, *result; + PyCFunction cfunc; + cfunc = PyCFunction_GET_FUNCTION(func); + self = PyCFunction_GET_SELF(func); + if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) + return NULL; + result = cfunc(self, arg); + Py_LeaveRecursiveCall(); + if (unlikely(!result) && unlikely(!PyErr_Occurred())) { + PyErr_SetString( + PyExc_SystemError, + "NULL result without error in PyObject_Call"); + } + return result; +} +#endif + +/* PyObjectCallOneArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_New(1); + if (unlikely(!args)) return NULL; + Py_INCREF(arg); + PyTuple_SET_ITEM(args, 0, arg); + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, &arg, 1); + } +#endif + if (likely(PyCFunction_Check(func))) { + if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { + return __Pyx_PyObject_CallMethO(func, arg); +#if CYTHON_FAST_PYCCALL + } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { + return __Pyx_PyCFunction_FastCall(func, &arg, 1); +#endif + } + } + return __Pyx__PyObject_CallOneArg(func, arg); +} +#else +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { + PyObject *result; + PyObject *args = PyTuple_Pack(1, arg); + if (unlikely(!args)) return NULL; + result = __Pyx_PyObject_Call(func, args, NULL); + Py_DECREF(args); + return result; +} +#endif + +/* GetException */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) +#else +static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) +#endif +{ + PyObject *local_type, *local_value, *local_tb; +#if CYTHON_FAST_THREAD_STATE + PyObject *tmp_type, *tmp_value, *tmp_tb; + local_type = tstate->curexc_type; + local_value = tstate->curexc_value; + local_tb = tstate->curexc_traceback; + tstate->curexc_type = 0; + tstate->curexc_value = 0; + tstate->curexc_traceback = 0; +#else + PyErr_Fetch(&local_type, &local_value, &local_tb); +#endif + PyErr_NormalizeException(&local_type, &local_value, &local_tb); +#if CYTHON_FAST_THREAD_STATE + if (unlikely(tstate->curexc_type)) +#else + if (unlikely(PyErr_Occurred())) +#endif + goto bad; + #if PY_MAJOR_VERSION >= 3 + if (local_tb) { + if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) + goto bad; + } + #endif + Py_XINCREF(local_tb); + Py_XINCREF(local_type); + Py_XINCREF(local_value); + *type = local_type; + *value = local_value; + *tb = local_tb; +#if CYTHON_FAST_THREAD_STATE + #if CYTHON_USE_EXC_INFO_STACK + { + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = local_type; + exc_info->exc_value = local_value; + exc_info->exc_traceback = local_tb; + } + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = local_type; + tstate->exc_value = local_value; + tstate->exc_traceback = local_tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +#else + PyErr_SetExcInfo(local_type, local_value, local_tb); +#endif + return 0; +bad: + *type = 0; + *value = 0; + *tb = 0; + Py_XDECREF(local_type); + Py_XDECREF(local_value); + Py_XDECREF(local_tb); + return -1; +} + +/* SwapException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSwap(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = *type; + exc_info->exc_value = *value; + exc_info->exc_traceback = *tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = *type; + tstate->exc_value = *value; + tstate->exc_traceback = *tb; + #endif + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#else +static CYTHON_INLINE void __Pyx_ExceptionSwap(PyObject **type, PyObject **value, PyObject **tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + PyErr_GetExcInfo(&tmp_type, &tmp_value, &tmp_tb); + PyErr_SetExcInfo(*type, *value, *tb); + *type = tmp_type; + *value = tmp_value; + *tb = tmp_tb; +} +#endif + +/* GetTopmostException */ +#if CYTHON_USE_EXC_INFO_STACK +static _PyErr_StackItem * +__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) +{ + _PyErr_StackItem *exc_info = tstate->exc_info; + while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && + exc_info->previous_item != NULL) + { + exc_info = exc_info->previous_item; + } + return exc_info; +} +#endif + +/* SaveResetException */ +#if CYTHON_FAST_THREAD_STATE +static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + *type = exc_info->exc_type; + *value = exc_info->exc_value; + *tb = exc_info->exc_traceback; + #else + *type = tstate->exc_type; + *value = tstate->exc_value; + *tb = tstate->exc_traceback; + #endif + Py_XINCREF(*type); + Py_XINCREF(*value); + Py_XINCREF(*tb); +} +static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { + PyObject *tmp_type, *tmp_value, *tmp_tb; + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = tstate->exc_info; + tmp_type = exc_info->exc_type; + tmp_value = exc_info->exc_value; + tmp_tb = exc_info->exc_traceback; + exc_info->exc_type = type; + exc_info->exc_value = value; + exc_info->exc_traceback = tb; + #else + tmp_type = tstate->exc_type; + tmp_value = tstate->exc_value; + tmp_tb = tstate->exc_traceback; + tstate->exc_type = type; + tstate->exc_value = value; + tstate->exc_traceback = tb; + #endif + Py_XDECREF(tmp_type); + Py_XDECREF(tmp_value); + Py_XDECREF(tmp_tb); +} +#endif + +/* GetItemIntUnicode */ +static CYTHON_INLINE Py_UCS4 __Pyx_GetItemInt_Unicode_Fast(PyObject* ustring, Py_ssize_t i, + int wraparound, int boundscheck) { + Py_ssize_t length; + if (unlikely(__Pyx_PyUnicode_READY(ustring) < 0)) return (Py_UCS4)-1; + if (wraparound | boundscheck) { + length = __Pyx_PyUnicode_GET_LENGTH(ustring); + if (wraparound & unlikely(i < 0)) i += length; + if ((!boundscheck) || likely(__Pyx_is_valid_index(i, length))) { + return __Pyx_PyUnicode_READ_CHAR(ustring, i); + } else { + PyErr_SetString(PyExc_IndexError, "string index out of range"); + return (Py_UCS4)-1; + } + } else { + return __Pyx_PyUnicode_READ_CHAR(ustring, i); + } +} + +/* ReRaiseException */ +static CYTHON_INLINE void __Pyx_ReraiseException(void) { + PyObject *type = NULL, *value = NULL, *tb = NULL; +#if CYTHON_FAST_THREAD_STATE + PyThreadState *tstate = PyThreadState_GET(); + #if CYTHON_USE_EXC_INFO_STACK + _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); + type = exc_info->exc_type; + value = exc_info->exc_value; + tb = exc_info->exc_traceback; + #else + type = tstate->exc_type; + value = tstate->exc_value; + tb = tstate->exc_traceback; + #endif +#else + PyErr_GetExcInfo(&type, &value, &tb); +#endif + if (!type || type == Py_None) { +#if !CYTHON_FAST_THREAD_STATE + Py_XDECREF(type); + Py_XDECREF(value); + Py_XDECREF(tb); +#endif + PyErr_SetString(PyExc_RuntimeError, + "No active exception to reraise"); + } else { +#if CYTHON_FAST_THREAD_STATE + Py_INCREF(type); + Py_XINCREF(value); + Py_XINCREF(tb); +#endif + PyErr_Restore(type, value, tb); + } +} + +/* PyErrExceptionMatches */ +#if CYTHON_FAST_THREAD_STATE +static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; icurexc_type; + if (exc_type == err) return 1; + if (unlikely(!exc_type)) return 0; + if (unlikely(PyTuple_Check(err))) + return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); + return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); +} +#endif + +/* GetAttr */ +static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { +#if CYTHON_USE_TYPE_SLOTS +#if PY_MAJOR_VERSION >= 3 + if (likely(PyUnicode_Check(n))) +#else + if (likely(PyString_Check(n))) +#endif + return __Pyx_PyObject_GetAttrStr(o, n); +#endif + return PyObject_GetAttr(o, n); +} + +/* GetAttr3 */ +static PyObject *__Pyx_GetAttr3Default(PyObject *d) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + return NULL; + __Pyx_PyErr_Clear(); + Py_INCREF(d); + return d; +} +static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { + PyObject *r = __Pyx_GetAttr(o, n); + return (likely(r)) ? r : __Pyx_GetAttr3Default(d); +} + +/* PyDictVersioning */ +#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS +static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; +} +static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { + PyObject **dictptr = NULL; + Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; + if (offset) { +#if CYTHON_COMPILING_IN_CPYTHON + dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); +#else + dictptr = _PyObject_GetDictPtr(obj); +#endif + } + return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; +} +static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { + PyObject *dict = Py_TYPE(obj)->tp_dict; + if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) + return 0; + return obj_dict_version == __Pyx_get_object_dict_version(obj); +} +#endif + +/* GetModuleGlobalName */ +#if CYTHON_USE_DICT_VERSIONS +static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) +#else +static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) +#endif +{ + PyObject *result; +#if !CYTHON_AVOID_BORROWED_REFS +#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 + result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } else if (unlikely(PyErr_Occurred())) { + return NULL; + } +#else + result = PyDict_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } +#endif +#else + result = PyObject_GetItem(__pyx_d, name); + __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) + if (likely(result)) { + return __Pyx_NewRef(result); + } + PyErr_Clear(); +#endif + return __Pyx_GetBuiltinName(name); +} + +/* PyObjectCallNoArg */ +#if CYTHON_COMPILING_IN_CPYTHON +static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { +#if CYTHON_FAST_PYCALL + if (PyFunction_Check(func)) { + return __Pyx_PyFunction_FastCall(func, NULL, 0); + } +#endif +#ifdef __Pyx_CyFunction_USED + if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) +#else + if (likely(PyCFunction_Check(func))) +#endif + { + if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { + return __Pyx_PyObject_CallMethO(func, NULL); + } + } + return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); +} +#endif + +/* PyUnicode_Substring */ +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_Substring( + PyObject* text, Py_ssize_t start, Py_ssize_t stop) { + Py_ssize_t length; + if (unlikely(__Pyx_PyUnicode_READY(text) == -1)) return NULL; + length = __Pyx_PyUnicode_GET_LENGTH(text); + if (start < 0) { + start += length; + if (start < 0) + start = 0; + } + if (stop < 0) + stop += length; + else if (stop > length) + stop = length; + if (stop <= start) + return __Pyx_NewRef(__pyx_empty_unicode); +#if CYTHON_PEP393_ENABLED + return PyUnicode_FromKindAndData(PyUnicode_KIND(text), + PyUnicode_1BYTE_DATA(text) + start*PyUnicode_KIND(text), stop-start); +#else + return PyUnicode_FromUnicode(PyUnicode_AS_UNICODE(text)+start, stop-start); +#endif +} + +/* PyObjectCall2Args */ +static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { + PyObject *args, *result = NULL; + #if CYTHON_FAST_PYCALL + if (PyFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyFunction_FastCall(function, args, 2); + } + #endif + #if CYTHON_FAST_PYCCALL + if (__Pyx_PyFastCFunction_Check(function)) { + PyObject *args[2] = {arg1, arg2}; + return __Pyx_PyCFunction_FastCall(function, args, 2); + } + #endif + args = PyTuple_New(2); + if (unlikely(!args)) goto done; + Py_INCREF(arg1); + PyTuple_SET_ITEM(args, 0, arg1); + Py_INCREF(arg2); + PyTuple_SET_ITEM(args, 1, arg2); + Py_INCREF(function); + result = __Pyx_PyObject_Call(function, args, NULL); + Py_DECREF(args); + Py_DECREF(function); +done: + return result; +} + +/* SliceObject */ +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetSlice(PyObject* obj, + Py_ssize_t cstart, Py_ssize_t cstop, + PyObject** _py_start, PyObject** _py_stop, PyObject** _py_slice, + int has_cstart, int has_cstop, CYTHON_UNUSED int wraparound) { +#if CYTHON_USE_TYPE_SLOTS + PyMappingMethods* mp; +#if PY_MAJOR_VERSION < 3 + PySequenceMethods* ms = Py_TYPE(obj)->tp_as_sequence; + if (likely(ms && ms->sq_slice)) { + if (!has_cstart) { + if (_py_start && (*_py_start != Py_None)) { + cstart = __Pyx_PyIndex_AsSsize_t(*_py_start); + if ((cstart == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstart = 0; + } + if (!has_cstop) { + if (_py_stop && (*_py_stop != Py_None)) { + cstop = __Pyx_PyIndex_AsSsize_t(*_py_stop); + if ((cstop == (Py_ssize_t)-1) && PyErr_Occurred()) goto bad; + } else + cstop = PY_SSIZE_T_MAX; + } + if (wraparound && unlikely((cstart < 0) | (cstop < 0)) && likely(ms->sq_length)) { + Py_ssize_t l = ms->sq_length(obj); + if (likely(l >= 0)) { + if (cstop < 0) { + cstop += l; + if (cstop < 0) cstop = 0; + } + if (cstart < 0) { + cstart += l; + if (cstart < 0) cstart = 0; + } + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + goto bad; + PyErr_Clear(); + } + } + return ms->sq_slice(obj, cstart, cstop); + } +#endif + mp = Py_TYPE(obj)->tp_as_mapping; + if (likely(mp && mp->mp_subscript)) +#endif + { + PyObject* result; + PyObject *py_slice, *py_start, *py_stop; + if (_py_slice) { + py_slice = *_py_slice; + } else { + PyObject* owned_start = NULL; + PyObject* owned_stop = NULL; + if (_py_start) { + py_start = *_py_start; + } else { + if (has_cstart) { + owned_start = py_start = PyInt_FromSsize_t(cstart); + if (unlikely(!py_start)) goto bad; + } else + py_start = Py_None; + } + if (_py_stop) { + py_stop = *_py_stop; + } else { + if (has_cstop) { + owned_stop = py_stop = PyInt_FromSsize_t(cstop); + if (unlikely(!py_stop)) { + Py_XDECREF(owned_start); + goto bad; + } + } else + py_stop = Py_None; + } + py_slice = PySlice_New(py_start, py_stop, Py_None); + Py_XDECREF(owned_start); + Py_XDECREF(owned_stop); + if (unlikely(!py_slice)) goto bad; + } +#if CYTHON_USE_TYPE_SLOTS + result = mp->mp_subscript(obj, py_slice); +#else + result = PyObject_GetItem(obj, py_slice); +#endif + if (!_py_slice) { + Py_DECREF(py_slice); + } + return result; + } + PyErr_Format(PyExc_TypeError, + "'%.200s' object is unsliceable", Py_TYPE(obj)->tp_name); +bad: + return NULL; +} + +/* Import */ +static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { + PyObject *empty_list = 0; + PyObject *module = 0; + PyObject *global_dict = 0; + PyObject *empty_dict = 0; + PyObject *list; + #if PY_MAJOR_VERSION < 3 + PyObject *py_import; + py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); + if (!py_import) + goto bad; + #endif + if (from_list) + list = from_list; + else { + empty_list = PyList_New(0); + if (!empty_list) + goto bad; + list = empty_list; + } + global_dict = PyModule_GetDict(__pyx_m); + if (!global_dict) + goto bad; + empty_dict = PyDict_New(); + if (!empty_dict) + goto bad; + { + #if PY_MAJOR_VERSION >= 3 + if (level == -1) { + if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) { + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, 1); + if (!module) { + if (!PyErr_ExceptionMatches(PyExc_ImportError)) + goto bad; + PyErr_Clear(); + } + } + level = 0; + } + #endif + if (!module) { + #if PY_MAJOR_VERSION < 3 + PyObject *py_level = PyInt_FromLong(level); + if (!py_level) + goto bad; + module = PyObject_CallFunctionObjArgs(py_import, + name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); + Py_DECREF(py_level); + #else + module = PyImport_ImportModuleLevelObject( + name, global_dict, empty_dict, list, level); + #endif + } + } +bad: + #if PY_MAJOR_VERSION < 3 + Py_XDECREF(py_import); + #endif + Py_XDECREF(empty_list); + Py_XDECREF(empty_dict); + return module; +} + +/* ImportFrom */ +static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { + PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); + if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { + PyErr_Format(PyExc_ImportError, + #if PY_MAJOR_VERSION < 3 + "cannot import name %.230s", PyString_AS_STRING(name)); + #else + "cannot import name %S", name); + #endif + } + return value; +} + +/* GetItemInt */ +static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { + PyObject *r; + if (!j) return NULL; + r = PyObject_GetItem(o, j); + Py_DECREF(j); + return r; +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyList_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { + PyObject *r = PyList_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS + Py_ssize_t wrapped_i = i; + if (wraparound & unlikely(i < 0)) { + wrapped_i += PyTuple_GET_SIZE(o); + } + if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); + Py_INCREF(r); + return r; + } + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +#else + return PySequence_GetItem(o, i); +#endif +} +static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, + CYTHON_NCP_UNUSED int wraparound, + CYTHON_NCP_UNUSED int boundscheck) { +#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS + if (is_list || PyList_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); + if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { + PyObject *r = PyList_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } + else if (PyTuple_CheckExact(o)) { + Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); + if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { + PyObject *r = PyTuple_GET_ITEM(o, n); + Py_INCREF(r); + return r; + } + } else { + PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; + if (likely(m && m->sq_item)) { + if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { + Py_ssize_t l = m->sq_length(o); + if (likely(l >= 0)) { + i += l; + } else { + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return NULL; + PyErr_Clear(); + } + } + return m->sq_item(o, i); + } + } +#else + if (is_list || PySequence_Check(o)) { + return PySequence_GetItem(o, i); + } +#endif + return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); +} + +/* HasAttr */ +static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { + PyObject *r; + if (unlikely(!__Pyx_PyBaseString_Check(n))) { + PyErr_SetString(PyExc_TypeError, + "hasattr(): attribute name must be string"); + return -1; + } + r = __Pyx_GetAttr(o, n); + if (unlikely(!r)) { + PyErr_Clear(); + return 0; + } else { + Py_DECREF(r); + return 1; + } +} + +/* ExtTypeTest */ +static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) { + if (unlikely(!type)) { + PyErr_SetString(PyExc_SystemError, "Missing type object"); + return 0; + } + if (likely(__Pyx_TypeCheck(obj, type))) + return 1; + PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s", + Py_TYPE(obj)->tp_name, type->tp_name); + return 0; +} + +/* PyObject_GenericGetAttrNoDict */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { + PyErr_Format(PyExc_AttributeError, +#if PY_MAJOR_VERSION >= 3 + "'%.50s' object has no attribute '%U'", + tp->tp_name, attr_name); +#else + "'%.50s' object has no attribute '%.400s'", + tp->tp_name, PyString_AS_STRING(attr_name)); +#endif + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { + PyObject *descr; + PyTypeObject *tp = Py_TYPE(obj); + if (unlikely(!PyString_Check(attr_name))) { + return PyObject_GenericGetAttr(obj, attr_name); + } + assert(!tp->tp_dictoffset); + descr = _PyType_Lookup(tp, attr_name); + if (unlikely(!descr)) { + return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); + } + Py_INCREF(descr); + #if PY_MAJOR_VERSION < 3 + if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) + #endif + { + descrgetfunc f = Py_TYPE(descr)->tp_descr_get; + if (unlikely(f)) { + PyObject *res = f(descr, obj, (PyObject *)tp); + Py_DECREF(descr); + return res; + } + } + return descr; +} +#endif + +/* PyObject_GenericGetAttr */ +#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 +static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { + if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { + return PyObject_GenericGetAttr(obj, attr_name); + } + return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); +} +#endif + +/* SetVTable */ +static int __Pyx_SetVtable(PyObject *dict, void *vtable) { +#if PY_VERSION_HEX >= 0x02070000 + PyObject *ob = PyCapsule_New(vtable, 0, 0); +#else + PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); +#endif + if (!ob) + goto bad; + if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) + goto bad; + Py_DECREF(ob); + return 0; +bad: + Py_XDECREF(ob); + return -1; +} + +/* PyObjectGetAttrStrNoError */ +static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) { + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) + __Pyx_PyErr_Clear(); +} +static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) { + PyObject *result; +#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1 + PyTypeObject* tp = Py_TYPE(obj); + if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) { + return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1); + } +#endif + result = __Pyx_PyObject_GetAttrStr(obj, attr_name); + if (unlikely(!result)) { + __Pyx_PyObject_GetAttrStr_ClearAttributeError(); + } + return result; +} + +/* SetupReduce */ +static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { + int ret; + PyObject *name_attr; + name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name); + if (likely(name_attr)) { + ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); + } else { + ret = -1; + } + if (unlikely(ret < 0)) { + PyErr_Clear(); + ret = 0; + } + Py_XDECREF(name_attr); + return ret; +} +static int __Pyx_setup_reduce(PyObject* type_obj) { + int ret = 0; + PyObject *object_reduce = NULL; + PyObject *object_reduce_ex = NULL; + PyObject *reduce = NULL; + PyObject *reduce_ex = NULL; + PyObject *reduce_cython = NULL; + PyObject *setstate = NULL; + PyObject *setstate_cython = NULL; +#if CYTHON_USE_PYTYPE_LOOKUP + if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#else + if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD; +#endif +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#else + object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD; +#endif + reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD; + if (reduce_ex == object_reduce_ex) { +#if CYTHON_USE_PYTYPE_LOOKUP + object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#else + object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD; +#endif + reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD; + if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { + reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython); + if (likely(reduce_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (reduce == object_reduce || PyErr_Occurred()) { + goto __PYX_BAD; + } + setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); + if (!setstate) PyErr_Clear(); + if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { + setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython); + if (likely(setstate_cython)) { + ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD; + } else if (!setstate || PyErr_Occurred()) { + goto __PYX_BAD; + } + } + PyType_Modified((PyTypeObject*)type_obj); + } + } + goto __PYX_GOOD; +__PYX_BAD: + if (!PyErr_Occurred()) + PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); + ret = -1; +__PYX_GOOD: +#if !CYTHON_USE_PYTYPE_LOOKUP + Py_XDECREF(object_reduce); + Py_XDECREF(object_reduce_ex); +#endif + Py_XDECREF(reduce); + Py_XDECREF(reduce_ex); + Py_XDECREF(reduce_cython); + Py_XDECREF(setstate); + Py_XDECREF(setstate_cython); + return ret; +} + +/* TypeImport */ +#ifndef __PYX_HAVE_RT_ImportType +#define __PYX_HAVE_RT_ImportType +static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name, + size_t size, enum __Pyx_ImportType_CheckSize check_size) +{ + PyObject *result = 0; + char warning[200]; + Py_ssize_t basicsize; +#ifdef Py_LIMITED_API + PyObject *py_basicsize; +#endif + result = PyObject_GetAttrString(module, class_name); + if (!result) + goto bad; + if (!PyType_Check(result)) { + PyErr_Format(PyExc_TypeError, + "%.200s.%.200s is not a type object", + module_name, class_name); + goto bad; + } +#ifndef Py_LIMITED_API + basicsize = ((PyTypeObject *)result)->tp_basicsize; +#else + py_basicsize = PyObject_GetAttrString(result, "__basicsize__"); + if (!py_basicsize) + goto bad; + basicsize = PyLong_AsSsize_t(py_basicsize); + Py_DECREF(py_basicsize); + py_basicsize = 0; + if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred()) + goto bad; +#endif + if ((size_t)basicsize < size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) { + PyErr_Format(PyExc_ValueError, + "%.200s.%.200s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + goto bad; + } + else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) { + PyOS_snprintf(warning, sizeof(warning), + "%s.%s size changed, may indicate binary incompatibility. " + "Expected %zd from C header, got %zd from PyObject", + module_name, class_name, size, basicsize); + if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad; + } + return (PyTypeObject *)result; +bad: + Py_XDECREF(result); + return NULL; +} +#endif + +/* CLineInTraceback */ +#ifndef CYTHON_CLINE_IN_TRACEBACK +static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) { + PyObject *use_cline; + PyObject *ptype, *pvalue, *ptraceback; +#if CYTHON_COMPILING_IN_CPYTHON + PyObject **cython_runtime_dict; +#endif + if (unlikely(!__pyx_cython_runtime)) { + return c_line; + } + __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); +#if CYTHON_COMPILING_IN_CPYTHON + cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); + if (likely(cython_runtime_dict)) { + __PYX_PY_DICT_LOOKUP_IF_MODIFIED( + use_cline, *cython_runtime_dict, + __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) + } else +#endif + { + PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); + if (use_cline_obj) { + use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; + Py_DECREF(use_cline_obj); + } else { + PyErr_Clear(); + use_cline = NULL; + } + } + if (!use_cline) { + c_line = 0; + PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); + } + else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { + c_line = 0; + } + __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); + return c_line; +} +#endif + +/* CodeObjectCache */ +static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { + int start = 0, mid = 0, end = count - 1; + if (end >= 0 && code_line > entries[end].code_line) { + return count; + } + while (start < end) { + mid = start + (end - start) / 2; + if (code_line < entries[mid].code_line) { + end = mid; + } else if (code_line > entries[mid].code_line) { + start = mid + 1; + } else { + return mid; + } + } + if (code_line <= entries[mid].code_line) { + return mid; + } else { + return mid + 1; + } +} +static PyCodeObject *__pyx_find_code_object(int code_line) { + PyCodeObject* code_object; + int pos; + if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { + return NULL; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { + return NULL; + } + code_object = __pyx_code_cache.entries[pos].code_object; + Py_INCREF(code_object); + return code_object; +} +static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { + int pos, i; + __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; + if (unlikely(!code_line)) { + return; + } + if (unlikely(!entries)) { + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); + if (likely(entries)) { + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = 64; + __pyx_code_cache.count = 1; + entries[0].code_line = code_line; + entries[0].code_object = code_object; + Py_INCREF(code_object); + } + return; + } + pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); + if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { + PyCodeObject* tmp = entries[pos].code_object; + entries[pos].code_object = code_object; + Py_DECREF(tmp); + return; + } + if (__pyx_code_cache.count == __pyx_code_cache.max_count) { + int new_max = __pyx_code_cache.max_count + 64; + entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( + __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry)); + if (unlikely(!entries)) { + return; + } + __pyx_code_cache.entries = entries; + __pyx_code_cache.max_count = new_max; + } + for (i=__pyx_code_cache.count; i>pos; i--) { + entries[i] = entries[i-1]; + } + entries[pos].code_line = code_line; + entries[pos].code_object = code_object; + __pyx_code_cache.count++; + Py_INCREF(code_object); +} + +/* AddTraceback */ +#include "compile.h" +#include "frameobject.h" +#include "traceback.h" +static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( + const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyObject *py_srcfile = 0; + PyObject *py_funcname = 0; + #if PY_MAJOR_VERSION < 3 + py_srcfile = PyString_FromString(filename); + #else + py_srcfile = PyUnicode_FromString(filename); + #endif + if (!py_srcfile) goto bad; + if (c_line) { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #else + py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); + #endif + } + else { + #if PY_MAJOR_VERSION < 3 + py_funcname = PyString_FromString(funcname); + #else + py_funcname = PyUnicode_FromString(funcname); + #endif + } + if (!py_funcname) goto bad; + py_code = __Pyx_PyCode_New( + 0, + 0, + 0, + 0, + 0, + __pyx_empty_bytes, /*PyObject *code,*/ + __pyx_empty_tuple, /*PyObject *consts,*/ + __pyx_empty_tuple, /*PyObject *names,*/ + __pyx_empty_tuple, /*PyObject *varnames,*/ + __pyx_empty_tuple, /*PyObject *freevars,*/ + __pyx_empty_tuple, /*PyObject *cellvars,*/ + py_srcfile, /*PyObject *filename,*/ + py_funcname, /*PyObject *name,*/ + py_line, + __pyx_empty_bytes /*PyObject *lnotab*/ + ); + Py_DECREF(py_srcfile); + Py_DECREF(py_funcname); + return py_code; +bad: + Py_XDECREF(py_srcfile); + Py_XDECREF(py_funcname); + return NULL; +} +static void __Pyx_AddTraceback(const char *funcname, int c_line, + int py_line, const char *filename) { + PyCodeObject *py_code = 0; + PyFrameObject *py_frame = 0; + PyThreadState *tstate = __Pyx_PyThreadState_Current; + if (c_line) { + c_line = __Pyx_CLineForTraceback(tstate, c_line); + } + py_code = __pyx_find_code_object(c_line ? -c_line : py_line); + if (!py_code) { + py_code = __Pyx_CreateCodeObjectForTraceback( + funcname, c_line, py_line, filename); + if (!py_code) goto bad; + __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); + } + py_frame = PyFrame_New( + tstate, /*PyThreadState *tstate,*/ + py_code, /*PyCodeObject *code,*/ + __pyx_d, /*PyObject *globals,*/ + 0 /*PyObject *locals*/ + ); + if (!py_frame) goto bad; + __Pyx_PyFrame_SetLineNumber(py_frame, py_line); + PyTraceBack_Here(py_frame); +bad: + Py_XDECREF(py_code); + Py_XDECREF(py_frame); +} + +/* CIntFromPyVerify */ +#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) +#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ + __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) +#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ + {\ + func_type value = func_value;\ + if (sizeof(target_type) < sizeof(func_type)) {\ + if (unlikely(value != (func_type) (target_type) value)) {\ + func_type zero = 0;\ + if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ + return (target_type) -1;\ + if (is_unsigned && unlikely(value < zero))\ + goto raise_neg_overflow;\ + else\ + goto raise_overflow;\ + }\ + }\ + return (target_type) value;\ + } + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(int) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(int) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(int) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(int), + little, !is_unsigned); + } +} + +/* CIntToPy */ +static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; + if (is_unsigned) { + if (sizeof(long) < sizeof(long)) { + return PyInt_FromLong((long) value); + } else if (sizeof(long) <= sizeof(unsigned long)) { + return PyLong_FromUnsignedLong((unsigned long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); +#endif + } + } else { + if (sizeof(long) <= sizeof(long)) { + return PyInt_FromLong((long) value); +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + return PyLong_FromLongLong((PY_LONG_LONG) value); +#endif + } + } + { + int one = 1; int little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&value; + return _PyLong_FromByteArray(bytes, sizeof(long), + little, !is_unsigned); + } +} + +/* PyUCS4InUnicode */ +#if PY_VERSION_HEX < 0x03090000 +#if Py_UNICODE_SIZE == 2 +static int __Pyx_PyUnicodeBufferContainsUCS4_SP(Py_UNICODE* buffer, Py_ssize_t length, Py_UCS4 character) { + Py_UNICODE high_val, low_val; + Py_UNICODE* pos; + high_val = (Py_UNICODE) (0xD800 | (((character - 0x10000) >> 10) & ((1<<10)-1))); + low_val = (Py_UNICODE) (0xDC00 | ( (character - 0x10000) & ((1<<10)-1))); + for (pos=buffer; pos < buffer+length-1; pos++) { + if (unlikely((high_val == pos[0]) & (low_val == pos[1]))) return 1; + } + return 0; +} +#endif +static int __Pyx_PyUnicodeBufferContainsUCS4_BMP(Py_UNICODE* buffer, Py_ssize_t length, Py_UCS4 character) { + Py_UNICODE uchar; + Py_UNICODE* pos; + uchar = (Py_UNICODE) character; + for (pos=buffer; pos < buffer+length; pos++) { + if (unlikely(uchar == pos[0])) return 1; + } + return 0; +} +#endif +static CYTHON_INLINE int __Pyx_UnicodeContainsUCS4(PyObject* unicode, Py_UCS4 character) { +#if CYTHON_PEP393_ENABLED + const int kind = PyUnicode_KIND(unicode); + if (likely(kind != PyUnicode_WCHAR_KIND)) { + Py_ssize_t i; + const void* udata = PyUnicode_DATA(unicode); + const Py_ssize_t length = PyUnicode_GET_LENGTH(unicode); + for (i=0; i < length; i++) { + if (unlikely(character == PyUnicode_READ(kind, udata, i))) return 1; + } + return 0; + } +#elif PY_VERSION_HEX >= 0x03090000 + #error Cannot use "UChar in Unicode" in Python 3.9 without PEP-393 unicode strings. +#endif +#if PY_VERSION_HEX < 0x03090000 +#if Py_UNICODE_SIZE == 2 + if (unlikely(character > 65535)) { + return __Pyx_PyUnicodeBufferContainsUCS4_SP( + PyUnicode_AS_UNICODE(unicode), + PyUnicode_GET_SIZE(unicode), + character); + } else +#endif + { + return __Pyx_PyUnicodeBufferContainsUCS4_BMP( + PyUnicode_AS_UNICODE(unicode), + PyUnicode_GET_SIZE(unicode), + character); + } +#endif +} + +/* UnicodeAsUCS4 */ +static CYTHON_INLINE Py_UCS4 __Pyx_PyUnicode_AsPy_UCS4(PyObject* x) { + Py_ssize_t length; + #if CYTHON_PEP393_ENABLED + length = PyUnicode_GET_LENGTH(x); + if (likely(length == 1)) { + return PyUnicode_READ_CHAR(x, 0); + } + #else + length = PyUnicode_GET_SIZE(x); + if (likely(length == 1)) { + return PyUnicode_AS_UNICODE(x)[0]; + } + #if Py_UNICODE_SIZE == 2 + else if (PyUnicode_GET_SIZE(x) == 2) { + Py_UCS4 high_val = PyUnicode_AS_UNICODE(x)[0]; + if (high_val >= 0xD800 && high_val <= 0xDBFF) { + Py_UCS4 low_val = PyUnicode_AS_UNICODE(x)[1]; + if (low_val >= 0xDC00 && low_val <= 0xDFFF) { + return 0x10000 + (((high_val & ((1<<10)-1)) << 10) | (low_val & ((1<<10)-1))); + } + } + } + #endif + #endif + PyErr_Format(PyExc_ValueError, + "only single character unicode strings can be converted to Py_UCS4, " + "got length %" CYTHON_FORMAT_SSIZE_T "d", length); + return (Py_UCS4)-1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint8_t __Pyx_PyInt_As_uint8_t(PyObject *x) { + const uint8_t neg_one = (uint8_t) ((uint8_t) 0 - (uint8_t) 1), const_zero = (uint8_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint8_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint8_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint8_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint8_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 2 * PyLong_SHIFT) { + return (uint8_t) (((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 3 * PyLong_SHIFT) { + return (uint8_t) (((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) >= 4 * PyLong_SHIFT) { + return (uint8_t) (((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint8_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint8_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint8_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint8_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint8_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint8_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint8_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + return (uint8_t) ((((((uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint8_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint8_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + return (uint8_t) ((((((((uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint8_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 4 * PyLong_SHIFT) { + return (uint8_t) (((uint8_t)-1)*(((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint8_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint8_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint8_t) - 1 > 4 * PyLong_SHIFT) { + return (uint8_t) ((((((((((uint8_t)digits[3]) << PyLong_SHIFT) | (uint8_t)digits[2]) << PyLong_SHIFT) | (uint8_t)digits[1]) << PyLong_SHIFT) | (uint8_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint8_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint8_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint8_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint8_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint8_t) -1; + } + } else { + uint8_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint8_t) -1; + val = __Pyx_PyInt_As_uint8_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint8_t"); + return (uint8_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint8_t"); + return (uint8_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE uint64_t __Pyx_PyInt_As_uint64_t(PyObject *x) { + const uint64_t neg_one = (uint64_t) ((uint64_t) 0 - (uint64_t) 1), const_zero = (uint64_t) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(uint64_t) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (uint64_t) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint64_t) 0; + case 1: __PYX_VERIFY_RETURN_INT(uint64_t, digit, digits[0]) + case 2: + if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 2 * PyLong_SHIFT) { + return (uint64_t) (((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 3 * PyLong_SHIFT) { + return (uint64_t) (((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) >= 4 * PyLong_SHIFT) { + return (uint64_t) (((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (uint64_t) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(uint64_t) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (uint64_t) 0; + case -1: __PYX_VERIFY_RETURN_INT(uint64_t, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(uint64_t, digit, +digits[0]) + case -2: + if (8 * sizeof(uint64_t) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(uint64_t) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + return (uint64_t) ((((((uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(uint64_t) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(uint64_t) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + return (uint64_t) ((((((((uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(uint64_t) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 4 * PyLong_SHIFT) { + return (uint64_t) (((uint64_t)-1)*(((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(uint64_t) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(uint64_t, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(uint64_t) - 1 > 4 * PyLong_SHIFT) { + return (uint64_t) ((((((((((uint64_t)digits[3]) << PyLong_SHIFT) | (uint64_t)digits[2]) << PyLong_SHIFT) | (uint64_t)digits[1]) << PyLong_SHIFT) | (uint64_t)digits[0]))); + } + } + break; + } +#endif + if (sizeof(uint64_t) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(uint64_t) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(uint64_t, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + uint64_t val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (uint64_t) -1; + } + } else { + uint64_t val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (uint64_t) -1; + val = __Pyx_PyInt_As_uint64_t(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to uint64_t"); + return (uint64_t) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to uint64_t"); + return (uint64_t) -1; +} + +/* CIntFromPy */ +static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { + const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(long) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (long) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { + return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { + return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { + return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (long) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(long) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (long) 0; + case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) + case -2: + if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(long) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(long) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(long) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { + return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); + } + } + break; + } +#endif + if (sizeof(long) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + long val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (long) -1; + } + } else { + long val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (long) -1; + val = __Pyx_PyInt_As_long(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to long"); + return (long) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to long"); + return (long) -1; +} + +/* ObjectAsUCS4 */ +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4_raise_error(long ival) { + if (ival < 0) { + if (!PyErr_Occurred()) + PyErr_SetString(PyExc_OverflowError, + "cannot convert negative value to Py_UCS4"); + } else { + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to Py_UCS4"); + } + return (Py_UCS4)-1; +} +static Py_UCS4 __Pyx__PyObject_AsPy_UCS4(PyObject* x) { + long ival; + ival = __Pyx_PyInt_As_long(x); + if (unlikely(!__Pyx_is_valid_index(ival, 1114111 + 1))) { + return __Pyx__PyObject_AsPy_UCS4_raise_error(ival); + } + return (Py_UCS4)ival; +} + +/* CIntFromPy */ +static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { + const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; + const int is_unsigned = neg_one > const_zero; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x))) { + if (sizeof(int) < sizeof(long)) { + __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) + } else { + long val = PyInt_AS_LONG(x); + if (is_unsigned && unlikely(val < 0)) { + goto raise_neg_overflow; + } + return (int) val; + } + } else +#endif + if (likely(PyLong_Check(x))) { + if (is_unsigned) { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { + return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { + return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { + return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); + } + } + break; + } +#endif +#if CYTHON_COMPILING_IN_CPYTHON + if (unlikely(Py_SIZE(x) < 0)) { + goto raise_neg_overflow; + } +#else + { + int result = PyObject_RichCompareBool(x, Py_False, Py_LT); + if (unlikely(result < 0)) + return (int) -1; + if (unlikely(result == 1)) + goto raise_neg_overflow; + } +#endif + if (sizeof(int) <= sizeof(unsigned long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) +#endif + } + } else { +#if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)x)->ob_digit; + switch (Py_SIZE(x)) { + case 0: return (int) 0; + case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) + case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) + case -2: + if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 2: + if (8 * sizeof(int) > 1 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -3: + if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 3: + if (8 * sizeof(int) > 2 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case -4: + if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + case 4: + if (8 * sizeof(int) > 3 * PyLong_SHIFT) { + if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { + __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) + } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { + return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); + } + } + break; + } +#endif + if (sizeof(int) <= sizeof(long)) { + __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) +#ifdef HAVE_LONG_LONG + } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { + __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) +#endif + } + } + { +#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) + PyErr_SetString(PyExc_RuntimeError, + "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); +#else + int val; + PyObject *v = __Pyx_PyNumber_IntOrLong(x); + #if PY_MAJOR_VERSION < 3 + if (likely(v) && !PyLong_Check(v)) { + PyObject *tmp = v; + v = PyNumber_Long(tmp); + Py_DECREF(tmp); + } + #endif + if (likely(v)) { + int one = 1; int is_little = (int)*(unsigned char *)&one; + unsigned char *bytes = (unsigned char *)&val; + int ret = _PyLong_AsByteArray((PyLongObject *)v, + bytes, sizeof(val), + is_little, !is_unsigned); + Py_DECREF(v); + if (likely(!ret)) + return val; + } +#endif + return (int) -1; + } + } else { + int val; + PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); + if (!tmp) return (int) -1; + val = __Pyx_PyInt_As_int(tmp); + Py_DECREF(tmp); + return val; + } +raise_overflow: + PyErr_SetString(PyExc_OverflowError, + "value too large to convert to int"); + return (int) -1; +raise_neg_overflow: + PyErr_SetString(PyExc_OverflowError, + "can't convert negative value to int"); + return (int) -1; +} + +/* FastTypeChecks */ +#if CYTHON_COMPILING_IN_CPYTHON +static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { + while (a) { + a = a->tp_base; + if (a == b) + return 1; + } + return b == &PyBaseObject_Type; +} +static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { + PyObject *mro; + if (a == b) return 1; + mro = a->tp_mro; + if (likely(mro)) { + Py_ssize_t i, n; + n = PyTuple_GET_SIZE(mro); + for (i = 0; i < n; i++) { + if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) + return 1; + } + return 0; + } + return __Pyx_InBases(a, b); +} +#if PY_MAJOR_VERSION == 2 +static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { + PyObject *exception, *value, *tb; + int res; + __Pyx_PyThreadState_declare + __Pyx_PyThreadState_assign + __Pyx_ErrFetch(&exception, &value, &tb); + res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + if (!res) { + res = PyObject_IsSubclass(err, exc_type2); + if (unlikely(res == -1)) { + PyErr_WriteUnraisable(err); + res = 0; + } + } + __Pyx_ErrRestore(exception, value, tb); + return res; +} +#else +static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { + int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; + if (!res) { + res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); + } + return res; +} +#endif +static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { + Py_ssize_t i, n; + assert(PyExceptionClass_Check(exc_type)); + n = PyTuple_GET_SIZE(tuple); +#if PY_MAJOR_VERSION >= 3 + for (i=0; ip) { + #if PY_MAJOR_VERSION < 3 + if (t->is_unicode) { + *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); + } else if (t->intern) { + *t->p = PyString_InternFromString(t->s); + } else { + *t->p = PyString_FromStringAndSize(t->s, t->n - 1); + } + #else + if (t->is_unicode | t->is_str) { + if (t->intern) { + *t->p = PyUnicode_InternFromString(t->s); + } else if (t->encoding) { + *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); + } else { + *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); + } + } else { + *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); + } + #endif + if (!*t->p) + return -1; + if (PyObject_Hash(*t->p) == -1) + return -1; + ++t; + } + return 0; +} + +static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { + return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); +} +static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { + Py_ssize_t ignore; + return __Pyx_PyObject_AsStringAndSize(o, &ignore); +} +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT +#if !CYTHON_PEP393_ENABLED +static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + char* defenc_c; + PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); + if (!defenc) return NULL; + defenc_c = PyBytes_AS_STRING(defenc); +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + { + char* end = defenc_c + PyBytes_GET_SIZE(defenc); + char* c; + for (c = defenc_c; c < end; c++) { + if ((unsigned char) (*c) >= 128) { + PyUnicode_AsASCIIString(o); + return NULL; + } + } + } +#endif + *length = PyBytes_GET_SIZE(defenc); + return defenc_c; +} +#else +static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { + if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + if (likely(PyUnicode_IS_ASCII(o))) { + *length = PyUnicode_GET_LENGTH(o); + return PyUnicode_AsUTF8(o); + } else { + PyUnicode_AsASCIIString(o); + return NULL; + } +#else + return PyUnicode_AsUTF8AndSize(o, length); +#endif +} +#endif +#endif +static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { +#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT + if ( +#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII + __Pyx_sys_getdefaultencoding_not_ascii && +#endif + PyUnicode_Check(o)) { + return __Pyx_PyUnicode_AsStringAndSize(o, length); + } else +#endif +#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) + if (PyByteArray_Check(o)) { + *length = PyByteArray_GET_SIZE(o); + return PyByteArray_AS_STRING(o); + } else +#endif + { + char* result; + int r = PyBytes_AsStringAndSize(o, &result, length); + if (unlikely(r < 0)) { + return NULL; + } else { + return result; + } + } +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { + int is_true = x == Py_True; + if (is_true | (x == Py_False) | (x == Py_None)) return is_true; + else return PyObject_IsTrue(x); +} +static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { + int retval; + if (unlikely(!x)) return -1; + retval = __Pyx_PyObject_IsTrue(x); + Py_DECREF(x); + return retval; +} +static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { +#if PY_MAJOR_VERSION >= 3 + if (PyLong_Check(result)) { + if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, + "__int__ returned non-int (type %.200s). " + "The ability to return an instance of a strict subclass of int " + "is deprecated, and may be removed in a future version of Python.", + Py_TYPE(result)->tp_name)) { + Py_DECREF(result); + return NULL; + } + return result; + } +#endif + PyErr_Format(PyExc_TypeError, + "__%.4s__ returned non-%.4s (type %.200s)", + type_name, type_name, Py_TYPE(result)->tp_name); + Py_DECREF(result); + return NULL; +} +static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { +#if CYTHON_USE_TYPE_SLOTS + PyNumberMethods *m; +#endif + const char *name = NULL; + PyObject *res = NULL; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_Check(x) || PyLong_Check(x))) +#else + if (likely(PyLong_Check(x))) +#endif + return __Pyx_NewRef(x); +#if CYTHON_USE_TYPE_SLOTS + m = Py_TYPE(x)->tp_as_number; + #if PY_MAJOR_VERSION < 3 + if (m && m->nb_int) { + name = "int"; + res = m->nb_int(x); + } + else if (m && m->nb_long) { + name = "long"; + res = m->nb_long(x); + } + #else + if (likely(m && m->nb_int)) { + name = "int"; + res = m->nb_int(x); + } + #endif +#else + if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { + res = PyNumber_Int(x); + } +#endif + if (likely(res)) { +#if PY_MAJOR_VERSION < 3 + if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { +#else + if (unlikely(!PyLong_CheckExact(res))) { +#endif + return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); + } + } + else if (!PyErr_Occurred()) { + PyErr_SetString(PyExc_TypeError, + "an integer is required"); + } + return res; +} +static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { + Py_ssize_t ival; + PyObject *x; +#if PY_MAJOR_VERSION < 3 + if (likely(PyInt_CheckExact(b))) { + if (sizeof(Py_ssize_t) >= sizeof(long)) + return PyInt_AS_LONG(b); + else + return PyInt_AsSsize_t(b); + } +#endif + if (likely(PyLong_CheckExact(b))) { + #if CYTHON_USE_PYLONG_INTERNALS + const digit* digits = ((PyLongObject*)b)->ob_digit; + const Py_ssize_t size = Py_SIZE(b); + if (likely(__Pyx_sst_abs(size) <= 1)) { + ival = likely(size) ? digits[0] : 0; + if (size == -1) ival = -ival; + return ival; + } else { + switch (size) { + case 2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -2: + if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -3: + if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case 4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + case -4: + if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { + return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); + } + break; + } + } + #endif + return PyLong_AsSsize_t(b); + } + x = PyNumber_Index(b); + if (!x) return -1; + ival = PyInt_AsSsize_t(x); + Py_DECREF(x); + return ival; +} +static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { + return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); +} +static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { + return PyInt_FromSize_t(ival); +} + + +#endif /* Py_PYTHON_H */ diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.cpython-39-x86_64-linux-gnu.so b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.cpython-39-x86_64-linux-gnu.so new file mode 100755 index 0000000..c4568ab Binary files /dev/null and b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.cpython-39-x86_64-linux-gnu.so differ diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyi b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyi new file mode 100644 index 0000000..1c8fc24 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyi @@ -0,0 +1,16 @@ +from typing import Optional + +class _Quoter: + def __init__( + self, + *, + safe: str = ..., + protected: str = ..., + qs: bool = ..., + requote: bool = ... + ) -> None: ... + def __call__(self, val: Optional[str] = ...) -> Optional[str]: ... + +class _Unquoter: + def __init__(self, *, unsafe: str = ..., qs: bool = ...) -> None: ... + def __call__(self, val: Optional[str] = ...) -> Optional[str]: ... diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyx b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyx new file mode 100644 index 0000000..1b8bea2 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_c.pyx @@ -0,0 +1,371 @@ +# cython: language_level=3 + +from libc.stdint cimport uint8_t, uint64_t +from libc.string cimport memcpy, memset + +from cpython.exc cimport PyErr_NoMemory +from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free +from cpython.unicode cimport PyUnicode_DecodeASCII, PyUnicode_DecodeUTF8Stateful + +from string import ascii_letters, digits + +cdef str GEN_DELIMS = ":/?#[]@" +cdef str SUB_DELIMS_WITHOUT_QS = "!$'()*," +cdef str SUB_DELIMS = SUB_DELIMS_WITHOUT_QS + '+?=;' +cdef str RESERVED = GEN_DELIMS + SUB_DELIMS +cdef str UNRESERVED = ascii_letters + digits + '-._~' +cdef str ALLOWED = UNRESERVED + SUB_DELIMS_WITHOUT_QS +cdef str QS = '+&=;' + +DEF BUF_SIZE = 8 * 1024 # 8KiB +cdef char BUFFER[BUF_SIZE] + +cdef inline Py_UCS4 _to_hex(uint8_t v): + if v < 10: + return (v+0x30) # ord('0') == 0x30 + else: + return (v+0x41-10) # ord('A') == 0x41 + + +cdef inline int _from_hex(Py_UCS4 v): + if '0' <= v <= '9': + return (v) - 0x30 # ord('0') == 0x30 + elif 'A' <= v <= 'F': + return (v) - 0x41 + 10 # ord('A') == 0x41 + elif 'a' <= v <= 'f': + return (v) - 0x61 + 10 # ord('a') == 0x61 + else: + return -1 + + +cdef inline int _is_lower_hex(Py_UCS4 v): + return 'a' <= v <= 'f' + + +cdef inline Py_UCS4 _restore_ch(Py_UCS4 d1, Py_UCS4 d2): + cdef int digit1 = _from_hex(d1) + if digit1 < 0: + return -1 + cdef int digit2 = _from_hex(d2) + if digit2 < 0: + return -1 + return (digit1 << 4 | digit2) + + +cdef uint8_t ALLOWED_TABLE[16] +cdef uint8_t ALLOWED_NOTQS_TABLE[16] + + +cdef inline bint bit_at(uint8_t array[], uint64_t ch): + return array[ch >> 3] & (1 << (ch & 7)) + + +cdef inline void set_bit(uint8_t array[], uint64_t ch): + array[ch >> 3] |= (1 << (ch & 7)) + + +memset(ALLOWED_TABLE, 0, sizeof(ALLOWED_TABLE)) +memset(ALLOWED_NOTQS_TABLE, 0, sizeof(ALLOWED_NOTQS_TABLE)) + +for i in range(128): + if chr(i) in ALLOWED: + set_bit(ALLOWED_TABLE, i) + set_bit(ALLOWED_NOTQS_TABLE, i) + if chr(i) in QS: + set_bit(ALLOWED_NOTQS_TABLE, i) + +# ----------------- writer --------------------------- + +cdef struct Writer: + char *buf + Py_ssize_t size + Py_ssize_t pos + bint changed + + +cdef inline void _init_writer(Writer* writer): + writer.buf = &BUFFER[0] + writer.size = BUF_SIZE + writer.pos = 0 + writer.changed = 0 + + +cdef inline void _release_writer(Writer* writer): + if writer.buf != BUFFER: + PyMem_Free(writer.buf) + + +cdef inline int _write_char(Writer* writer, Py_UCS4 ch, bint changed): + cdef char * buf + cdef Py_ssize_t size + + if writer.pos == writer.size: + # reallocate + size = writer.size + BUF_SIZE + if writer.buf == BUFFER: + buf = PyMem_Malloc(size) + if buf == NULL: + PyErr_NoMemory() + return -1 + memcpy(buf, writer.buf, writer.size) + else: + buf = PyMem_Realloc(writer.buf, size) + if buf == NULL: + PyErr_NoMemory() + return -1 + writer.buf = buf + writer.size = size + writer.buf[writer.pos] = ch + writer.pos += 1 + writer.changed |= changed + return 0 + + +cdef inline int _write_pct(Writer* writer, uint8_t ch, bint changed): + if _write_char(writer, '%', changed) < 0: + return -1 + if _write_char(writer, _to_hex(ch >> 4), changed) < 0: + return -1 + return _write_char(writer, _to_hex(ch & 0x0f), changed) + + +cdef inline int _write_utf8(Writer* writer, Py_UCS4 symbol): + cdef uint64_t utf = symbol + + if utf < 0x80: + return _write_pct(writer, utf, True) + elif utf < 0x800: + if _write_pct(writer, (0xc0 | (utf >> 6)), True) < 0: + return -1 + return _write_pct(writer, (0x80 | (utf & 0x3f)), True) + elif 0xD800 <= utf <= 0xDFFF: + # surogate pair, ignored + return 0 + elif utf < 0x10000: + if _write_pct(writer, (0xe0 | (utf >> 12)), True) < 0: + return -1 + if _write_pct(writer, (0x80 | ((utf >> 6) & 0x3f)), + True) < 0: + return -1 + return _write_pct(writer, (0x80 | (utf & 0x3f)), True) + elif utf > 0x10FFFF: + # symbol is too large + return 0 + else: + if _write_pct(writer, (0xf0 | (utf >> 18)), True) < 0: + return -1 + if _write_pct(writer, (0x80 | ((utf >> 12) & 0x3f)), + True) < 0: + return -1 + if _write_pct(writer, (0x80 | ((utf >> 6) & 0x3f)), + True) < 0: + return -1 + return _write_pct(writer, (0x80 | (utf & 0x3f)), True) + + +# --------------------- end writer -------------------------- + + +cdef class _Quoter: + cdef bint _qs + cdef bint _requote + + cdef uint8_t _safe_table[16] + cdef uint8_t _protected_table[16] + + def __init__( + self, *, str safe='', str protected='', bint qs=False, bint requote=True, + ): + cdef Py_UCS4 ch + + self._qs = qs + self._requote = requote + + if not self._qs: + memcpy(self._safe_table, + ALLOWED_NOTQS_TABLE, + sizeof(self._safe_table)) + else: + memcpy(self._safe_table, + ALLOWED_TABLE, + sizeof(self._safe_table)) + for ch in safe: + if ord(ch) > 127: + raise ValueError("Only safe symbols with ORD < 128 are allowed") + set_bit(self._safe_table, ch) + + memset(self._protected_table, 0, sizeof(self._protected_table)) + for ch in protected: + if ord(ch) > 127: + raise ValueError("Only safe symbols with ORD < 128 are allowed") + set_bit(self._safe_table, ch) + set_bit(self._protected_table, ch) + + def __call__(self, val): + cdef Writer writer + if val is None: + return None + if type(val) is not str: + if isinstance(val, str): + # derived from str + val = str(val) + else: + raise TypeError("Argument should be str") + _init_writer(&writer) + try: + return self._do_quote(val, &writer) + finally: + _release_writer(&writer) + + cdef str _do_quote(self, str val, Writer *writer): + cdef Py_UCS4 ch + cdef int changed + cdef int idx = 0 + cdef int length = len(val) + + while idx < length: + ch = val[idx] + idx += 1 + if ch == '%' and self._requote and idx <= length - 2: + ch = _restore_ch(val[idx], val[idx + 1]) + if ch != -1: + idx += 2 + if ch < 128: + if bit_at(self._protected_table, ch): + if _write_pct(writer, ch, True) < 0: + raise + continue + + if bit_at(self._safe_table, ch): + if _write_char(writer, ch, True) < 0: + raise + continue + + changed = (_is_lower_hex(val[idx - 2]) or + _is_lower_hex(val[idx - 1])) + if _write_pct(writer, ch, changed) < 0: + raise + continue + else: + ch = '%' + + if self._write(writer, ch) < 0: + raise + + if not writer.changed: + return val + else: + return PyUnicode_DecodeASCII(writer.buf, writer.pos, "strict") + + cdef inline int _write(self, Writer *writer, Py_UCS4 ch): + if self._qs: + if ch == ' ': + return _write_char(writer, '+', True) + + if ch < 128 and bit_at(self._safe_table, ch): + return _write_char(writer, ch, False) + + return _write_utf8(writer, ch) + + +cdef class _Unquoter: + cdef str _unsafe + cdef bint _qs + cdef _Quoter _quoter + cdef _Quoter _qs_quoter + + def __init__(self, *, unsafe='', qs=False): + self._unsafe = unsafe + self._qs = qs + self._quoter = _Quoter() + self._qs_quoter = _Quoter(qs=True) + + def __call__(self, val): + if val is None: + return None + if type(val) is not str: + if isinstance(val, str): + # derived from str + val = str(val) + else: + raise TypeError("Argument should be str") + return self._do_unquote(val) + + cdef str _do_unquote(self, str val): + if len(val) == 0: + return val + cdef list ret = [] + cdef char buffer[4] + cdef Py_ssize_t buflen = 0 + cdef Py_ssize_t consumed + cdef str unquoted + cdef Py_UCS4 ch = 0 + cdef Py_ssize_t idx = 0 + cdef Py_ssize_t length = len(val) + cdef Py_ssize_t start_pct + + while idx < length: + ch = val[idx] + idx += 1 + if ch == '%' and idx <= length - 2: + ch = _restore_ch(val[idx], val[idx + 1]) + if ch != -1: + idx += 2 + assert buflen < 4 + buffer[buflen] = ch + buflen += 1 + try: + unquoted = PyUnicode_DecodeUTF8Stateful(buffer, buflen, + NULL, &consumed) + except UnicodeDecodeError: + start_pct = idx - buflen * 3 + buffer[0] = ch + buflen = 1 + ret.append(val[start_pct : idx - 3]) + try: + unquoted = PyUnicode_DecodeUTF8Stateful(buffer, buflen, + NULL, &consumed) + except UnicodeDecodeError: + buflen = 0 + ret.append(val[idx - 3 : idx]) + continue + if not unquoted: + assert consumed == 0 + continue + assert consumed == buflen + buflen = 0 + if self._qs and unquoted in '+=&;': + ret.append(self._qs_quoter(unquoted)) + elif unquoted in self._unsafe: + ret.append(self._quoter(unquoted)) + else: + ret.append(unquoted) + continue + else: + ch = '%' + + if buflen: + start_pct = idx - 1 - buflen * 3 + ret.append(val[start_pct : idx - 1]) + buflen = 0 + + if ch == '+': + if not self._qs or ch in self._unsafe: + ret.append('+') + else: + ret.append(' ') + continue + + if ch in self._unsafe: + ret.append('%') + h = hex(ord(ch)).upper()[2:] + for ch in h: + ret.append(ch) + continue + + ret.append(ch) + + if buflen: + ret.append(val[length - buflen * 3 : length]) + + return ''.join(ret) diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_py.py b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_py.py new file mode 100644 index 0000000..d6f33e1 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_quoting_py.py @@ -0,0 +1,198 @@ +import codecs +import re +from string import ascii_letters, ascii_lowercase, digits +from typing import Optional, cast + + +BASCII_LOWERCASE = ascii_lowercase.encode("ascii") +BPCT_ALLOWED = {"%{:02X}".format(i).encode("ascii") for i in range(256)} +GEN_DELIMS = ":/?#[]@" +SUB_DELIMS_WITHOUT_QS = "!$'()*," +SUB_DELIMS = SUB_DELIMS_WITHOUT_QS + "+&=;" +RESERVED = GEN_DELIMS + SUB_DELIMS +UNRESERVED = ascii_letters + digits + "-._~" +ALLOWED = UNRESERVED + SUB_DELIMS_WITHOUT_QS + + +_IS_HEX = re.compile(b"[A-Z0-9][A-Z0-9]") +_IS_HEX_STR = re.compile("[A-Fa-f0-9][A-Fa-f0-9]") + +utf8_decoder = codecs.getincrementaldecoder("utf-8") + + +class _Quoter: + def __init__( + self, + *, + safe: str = "", + protected: str = "", + qs: bool = False, + requote: bool = True + ) -> None: + self._safe = safe + self._protected = protected + self._qs = qs + self._requote = requote + + def __call__(self, val: Optional[str]) -> Optional[str]: + if val is None: + return None + if not isinstance(val, str): + raise TypeError("Argument should be str") + if not val: + return "" + bval = cast(str, val).encode("utf8", errors="ignore") + ret = bytearray() + pct = bytearray() + safe = self._safe + safe += ALLOWED + if not self._qs: + safe += "+&=;" + safe += self._protected + bsafe = safe.encode("ascii") + idx = 0 + while idx < len(bval): + ch = bval[idx] + idx += 1 + + if pct: + if ch in BASCII_LOWERCASE: + ch = ch - 32 # convert to uppercase + pct.append(ch) + if len(pct) == 3: # pragma: no branch # peephole optimizer + buf = pct[1:] + if not _IS_HEX.match(buf): + ret.extend(b"%25") + pct.clear() + idx -= 2 + continue + try: + unquoted = chr(int(pct[1:].decode("ascii"), base=16)) + except ValueError: + ret.extend(b"%25") + pct.clear() + idx -= 2 + continue + + if unquoted in self._protected: + ret.extend(pct) + elif unquoted in safe: + ret.append(ord(unquoted)) + else: + ret.extend(pct) + pct.clear() + + # special case, if we have only one char after "%" + elif len(pct) == 2 and idx == len(bval): + ret.extend(b"%25") + pct.clear() + idx -= 1 + + continue + + elif ch == ord("%") and self._requote: + pct.clear() + pct.append(ch) + + # special case if "%" is last char + if idx == len(bval): + ret.extend(b"%25") + + continue + + if self._qs: + if ch == ord(" "): + ret.append(ord("+")) + continue + if ch in bsafe: + ret.append(ch) + continue + + ret.extend(("%{:02X}".format(ch)).encode("ascii")) + + ret2 = ret.decode("ascii") + if ret2 == val: + return val + return ret2 + + +class _Unquoter: + def __init__(self, *, unsafe: str = "", qs: bool = False) -> None: + self._unsafe = unsafe + self._qs = qs + self._quoter = _Quoter() + self._qs_quoter = _Quoter(qs=True) + + def __call__(self, val: Optional[str]) -> Optional[str]: + if val is None: + return None + if not isinstance(val, str): + raise TypeError("Argument should be str") + if not val: + return "" + decoder = cast(codecs.BufferedIncrementalDecoder, utf8_decoder()) + ret = [] + idx = 0 + while idx < len(val): + ch = val[idx] + idx += 1 + if ch == "%" and idx <= len(val) - 2: + pct = val[idx : idx + 2] + if _IS_HEX_STR.fullmatch(pct): + b = bytes([int(pct, base=16)]) + idx += 2 + try: + unquoted = decoder.decode(b) + except UnicodeDecodeError: + start_pct = idx - 3 - len(decoder.buffer) * 3 + ret.append(val[start_pct : idx - 3]) + decoder.reset() + try: + unquoted = decoder.decode(b) + except UnicodeDecodeError: + ret.append(val[idx - 3 : idx]) + continue + if not unquoted: + continue + if self._qs and unquoted in "+=&;": + to_add = self._qs_quoter(unquoted) + if to_add is None: # pragma: no cover + raise RuntimeError("Cannot quote None") + ret.append(to_add) + elif unquoted in self._unsafe: + to_add = self._quoter(unquoted) + if to_add is None: # pragma: no cover + raise RuntimeError("Cannot quote None") + ret.append(to_add) + else: + ret.append(unquoted) + continue + + if decoder.buffer: + start_pct = idx - 1 - len(decoder.buffer) * 3 + ret.append(val[start_pct : idx - 1]) + decoder.reset() + + if ch == "+": + if not self._qs or ch in self._unsafe: + ret.append("+") + else: + ret.append(" ") + continue + + if ch in self._unsafe: + ret.append("%") + h = hex(ord(ch)).upper()[2:] + for ch in h: + ret.append(ch) + continue + + ret.append(ch) + + if decoder.buffer: + ret.append(val[-len(decoder.buffer) * 3 :]) + + ret2 = "".join(ret) + if ret2 == val: + return val + return ret2 diff --git a/backend/mb-env/lib/python3.9/site-packages/yarl/_url.py b/backend/mb-env/lib/python3.9/site-packages/yarl/_url.py new file mode 100644 index 0000000..99c4245 --- /dev/null +++ b/backend/mb-env/lib/python3.9/site-packages/yarl/_url.py @@ -0,0 +1,1144 @@ +import functools +import sys +import warnings +from collections.abc import Mapping, Sequence +from ipaddress import ip_address +from urllib.parse import SplitResult, parse_qsl, urljoin, urlsplit, urlunsplit, quote + +from multidict import MultiDict, MultiDictProxy +import idna + +import math + + +from ._quoting import _Quoter, _Unquoter + + +DEFAULT_PORTS = {"http": 80, "https": 443, "ws": 80, "wss": 443} + +sentinel = object() + + +def rewrite_module(obj: object) -> object: + obj.__module__ = "yarl" + return obj + + +class cached_property: + """Use as a class method decorator. It operates almost exactly like + the Python `@property` decorator, but it puts the result of the + method it decorates into the instance dict after the first call, + effectively replacing the function it decorates with an instance + variable. It is, in Python parlance, a data descriptor. + + """ + + def __init__(self, wrapped): + self.wrapped = wrapped + try: + self.__doc__ = wrapped.__doc__ + except AttributeError: # pragma: no cover + self.__doc__ = "" + self.name = wrapped.__name__ + + def __get__(self, inst, owner, _sentinel=sentinel): + if inst is None: + return self + val = inst._cache.get(self.name, _sentinel) + if val is not _sentinel: + return val + val = self.wrapped(inst) + inst._cache[self.name] = val + return val + + def __set__(self, inst, value): + raise AttributeError("cached property is read-only") + + +@rewrite_module +class URL: + # Don't derive from str + # follow pathlib.Path design + # probably URL will not suffer from pathlib problems: + # it's intended for libraries like aiohttp, + # not to be passed into standard library functions like os.open etc. + + # URL grammar (RFC 3986) + # pct-encoded = "%" HEXDIG HEXDIG + # reserved = gen-delims / sub-delims + # gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" + # sub-delims = "!" / "$" / "&" / "'" / "(" / ")" + # / "*" / "+" / "," / ";" / "=" + # unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" + # URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ] + # hier-part = "//" authority path-abempty + # / path-absolute + # / path-rootless + # / path-empty + # scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + # authority = [ userinfo "@" ] host [ ":" port ] + # userinfo = *( unreserved / pct-encoded / sub-delims / ":" ) + # host = IP-literal / IPv4address / reg-name + # IP-literal = "[" ( IPv6address / IPvFuture ) "]" + # IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" ) + # IPv6address = 6( h16 ":" ) ls32 + # / "::" 5( h16 ":" ) ls32 + # / [ h16 ] "::" 4( h16 ":" ) ls32 + # / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32 + # / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32 + # / [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32 + # / [ *4( h16 ":" ) h16 ] "::" ls32 + # / [ *5( h16 ":" ) h16 ] "::" h16 + # / [ *6( h16 ":" ) h16 ] "::" + # ls32 = ( h16 ":" h16 ) / IPv4address + # ; least-significant 32 bits of address + # h16 = 1*4HEXDIG + # ; 16 bits of address represented in hexadecimal + # IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet + # dec-octet = DIGIT ; 0-9 + # / %x31-39 DIGIT ; 10-99 + # / "1" 2DIGIT ; 100-199 + # / "2" %x30-34 DIGIT ; 200-249 + # / "25" %x30-35 ; 250-255 + # reg-name = *( unreserved / pct-encoded / sub-delims ) + # port = *DIGIT + # path = path-abempty ; begins with "/" or is empty + # / path-absolute ; begins with "/" but not "//" + # / path-noscheme ; begins with a non-colon segment + # / path-rootless ; begins with a segment + # / path-empty ; zero characters + # path-abempty = *( "/" segment ) + # path-absolute = "/" [ segment-nz *( "/" segment ) ] + # path-noscheme = segment-nz-nc *( "/" segment ) + # path-rootless = segment-nz *( "/" segment ) + # path-empty = 0 + # segment = *pchar + # segment-nz = 1*pchar + # segment-nz-nc = 1*( unreserved / pct-encoded / sub-delims / "@" ) + # ; non-zero-length segment without any colon ":" + # pchar = unreserved / pct-encoded / sub-delims / ":" / "@" + # query = *( pchar / "/" / "?" ) + # fragment = *( pchar / "/" / "?" ) + # URI-reference = URI / relative-ref + # relative-ref = relative-part [ "?" query ] [ "#" fragment ] + # relative-part = "//" authority path-abempty + # / path-absolute + # / path-noscheme + # / path-empty + # absolute-URI = scheme ":" hier-part [ "?" query ] + __slots__ = ("_cache", "_val") + + _QUOTER = _Quoter(requote=False) + _REQUOTER = _Quoter() + _PATH_QUOTER = _Quoter(safe="@:", protected="/+", requote=False) + _PATH_REQUOTER = _Quoter(safe="@:", protected="/+") + _QUERY_QUOTER = _Quoter(safe="?/:@", protected="=+&;", qs=True, requote=False) + _QUERY_REQUOTER = _Quoter(safe="?/:@", protected="=+&;", qs=True) + _QUERY_PART_QUOTER = _Quoter(safe="?/:@", qs=True, requote=False) + _FRAGMENT_QUOTER = _Quoter(safe="?/:@", requote=False) + _FRAGMENT_REQUOTER = _Quoter(safe="?/:@") + + _UNQUOTER = _Unquoter() + _PATH_UNQUOTER = _Unquoter(unsafe="+") + _QS_UNQUOTER = _Unquoter(qs=True) + + def __new__(cls, val="", *, encoded=False, strict=None): + if strict is not None: # pragma: no cover + warnings.warn("strict parameter is ignored") + if type(val) is cls: + return val + if type(val) is str: + val = urlsplit(val) + elif type(val) is SplitResult: + if not encoded: + raise ValueError("Cannot apply decoding to SplitResult") + elif isinstance(val, str): + val = urlsplit(str(val)) + else: + raise TypeError("Constructor parameter should be str") + + if not encoded: + if not val[1]: # netloc + netloc = "" + host = "" + else: + host = val.hostname + if host is None: + raise ValueError("Invalid URL: host is required for absolute urls") + + try: + port = val.port + except ValueError as e: + raise ValueError( + "Invalid URL: port can't be converted to integer" + ) from e + + netloc = cls._make_netloc( + val.username, val.password, host, port, encode=True, requote=True + ) + path = cls._PATH_REQUOTER(val[2]) + if netloc: + path = cls._normalize_path(path) + + cls._validate_authority_uri_abs_path(host=host, path=path) + query = cls._QUERY_REQUOTER(val[3]) + fragment = cls._FRAGMENT_REQUOTER(val[4]) + val = SplitResult(val[0], netloc, path, query, fragment) + + self = object.__new__(cls) + self._val = val + self._cache = {} + return self + + @classmethod + def build( + cls, + *, + scheme="", + authority="", + user=None, + password=None, + host="", + port=None, + path="", + query=None, + query_string="", + fragment="", + encoded=False + ): + """Creates and returns a new URL""" + + if authority and (user or password or host or port): + raise ValueError( + 'Can\'t mix "authority" with "user", "password", "host" or "port".' + ) + if port and not host: + raise ValueError('Can\'t build URL with "port" but without "host".') + if query and query_string: + raise ValueError('Only one of "query" or "query_string" should be passed') + if ( + scheme is None + or authority is None + or path is None + or query_string is None + or fragment is None + ): + raise TypeError( + 'NoneType is illegal for "scheme", "authority", "path", ' + '"query_string", and "fragment" args, use empty string instead.' + ) + + if authority: + if encoded: + netloc = authority + else: + tmp = SplitResult("", authority, "", "", "") + netloc = cls._make_netloc( + tmp.username, tmp.password, tmp.hostname, tmp.port, encode=True + ) + elif not user and not password and not host and not port: + netloc = "" + else: + netloc = cls._make_netloc( + user, password, host, port, encode=not encoded, encode_host=not encoded + ) + if not encoded: + path = cls._PATH_QUOTER(path) + if netloc: + path = cls._normalize_path(path) + + cls._validate_authority_uri_abs_path(host=host, path=path) + query_string = cls._QUERY_QUOTER(query_string) + fragment = cls._FRAGMENT_QUOTER(fragment) + + url = cls( + SplitResult(scheme, netloc, path, query_string, fragment), encoded=True + ) + + if query: + return url.with_query(query) + else: + return url + + def __init_subclass__(cls): + raise TypeError("Inheritance a class {!r} from URL is forbidden".format(cls)) + + def __str__(self): + val = self._val + if not val.path and self.is_absolute() and (val.query or val.fragment): + val = val._replace(path="/") + return urlunsplit(val) + + def __repr__(self): + return "{}('{}')".format(self.__class__.__name__, str(self)) + + def __eq__(self, other): + if not type(other) is URL: + return NotImplemented + + val1 = self._val + if not val1.path and self.is_absolute(): + val1 = val1._replace(path="/") + + val2 = other._val + if not val2.path and other.is_absolute(): + val2 = val2._replace(path="/") + + return val1 == val2 + + def __hash__(self): + ret = self._cache.get("hash") + if ret is None: + val = self._val + if not val.path and self.is_absolute(): + val = val._replace(path="/") + ret = self._cache["hash"] = hash(val) + return ret + + def __le__(self, other): + if not type(other) is URL: + return NotImplemented + return self._val <= other._val + + def __lt__(self, other): + if not type(other) is URL: + return NotImplemented + return self._val < other._val + + def __ge__(self, other): + if not type(other) is URL: + return NotImplemented + return self._val >= other._val + + def __gt__(self, other): + if not type(other) is URL: + return NotImplemented + return self._val > other._val + + def __truediv__(self, name): + name = self._PATH_QUOTER(name) + if name.startswith("/"): + raise ValueError( + "Appending path {!r} starting from slash is forbidden".format(name) + ) + path = self._val.path + if path == "/": + new_path = "/" + name + elif not path and not self.is_absolute(): + new_path = name + else: + parts = path.rstrip("/").split("/") + parts.append(name) + new_path = "/".join(parts) + if self.is_absolute(): + new_path = self._normalize_path(new_path) + return URL( + self._val._replace(path=new_path, query="", fragment=""), encoded=True + ) + + def __mod__(self, query): + return self.update_query(query) + + def __bool__(self) -> bool: + return bool( + self._val.netloc or self._val.path or self._val.query or self._val.fragment + ) + + def __getstate__(self): + return (self._val,) + + def __setstate__(self, state): + if state[0] is None and isinstance(state[1], dict): + # default style pickle + self._val = state[1]["_val"] + else: + self._val, *unused = state + self._cache = {} + + def is_absolute(self): + """A check for absolute URLs. + + Return True for absolute ones (having scheme or starting + with //), False otherwise. + + """ + return self.raw_host is not None + + def is_default_port(self): + """A check for default port. + + Return True if port is default for specified scheme, + e.g. 'http://python.org' or 'http://python.org:80', False + otherwise. + + """ + if self.port is None: + return False + default = DEFAULT_PORTS.get(self.scheme) + if default is None: + return False + return self.port == default + + def origin(self): + """Return an URL with scheme, host and port parts only. + + user, password, path, query and fragment are removed. + + """ + # TODO: add a keyword-only option for keeping user/pass maybe? + if not self.is_absolute(): + raise ValueError("URL should be absolute") + if not self._val.scheme: + raise ValueError("URL should have scheme") + v = self._val + netloc = self._make_netloc(None, None, v.hostname, v.port) + val = v._replace(netloc=netloc, path="", query="", fragment="") + return URL(val, encoded=True) + + def relative(self): + """Return a relative part of the URL. + + scheme, user, password, host and port are removed. + + """ + if not self.is_absolute(): + raise ValueError("URL should be absolute") + val = self._val._replace(scheme="", netloc="") + return URL(val, encoded=True) + + @property + def scheme(self): + """Scheme for absolute URLs. + + Empty string for relative URLs or URLs starting with // + + """ + return self._val.scheme + + @property + def raw_authority(self): + """Encoded authority part of URL. + + Empty string for relative URLs. + + """ + return self._val.netloc + + @cached_property + def authority(self): + """Decoded authority part of URL. + + Empty string for relative URLs. + + """ + return self._make_netloc( + self.user, self.password, self.host, self.port, encode_host=False + ) + + @property + def raw_user(self): + """Encoded user part of URL. + + None if user is missing. + + """ + # not .username + ret = self._val.username + if not ret: + return None + return ret + + @cached_property + def user(self): + """Decoded user part of URL. + + None if user is missing. + + """ + return self._UNQUOTER(self.raw_user) + + @property + def raw_password(self): + """Encoded password part of URL. + + None if password is missing. + + """ + return self._val.password + + @cached_property + def password(self): + """Decoded password part of URL. + + None if password is missing. + + """ + return self._UNQUOTER(self.raw_password) + + @property + def raw_host(self): + """Encoded host part of URL. + + None for relative URLs. + + """ + # Use host instead of hostname for sake of shortness + # May add .hostname prop later + return self._val.hostname + + @cached_property + def host(self): + """Decoded host part of URL. + + None for relative URLs. + + """ + raw = self.raw_host + if raw is None: + return None + if "%" in raw: + # Hack for scoped IPv6 addresses like + # fe80::2%Проверка + # presence of '%' sign means only IPv6 address, so idna is useless. + return raw + return _idna_decode(raw) + + @property + def port(self): + """Port part of URL, with scheme-based fallback. + + None for relative URLs or URLs without explicit port and + scheme without default port substitution. + + """ + return self._val.port or DEFAULT_PORTS.get(self._val.scheme) + + @property + def explicit_port(self): + """Port part of URL, without scheme-based fallback. + + None for relative URLs or URLs without explicit port. + + """ + return self._val.port + + @property + def raw_path(self): + """Encoded path of URL. + + / for absolute URLs without path part. + + """ + ret = self._val.path + if not ret and self.is_absolute(): + ret = "/" + return ret + + @cached_property + def path(self): + """Decoded path of URL. + + / for absolute URLs without path part. + + """ + return self._PATH_UNQUOTER(self.raw_path) + + @cached_property + def query(self): + """A MultiDictProxy representing parsed query parameters in decoded + representation. + + Empty value if URL has no query part. + + """ + ret = MultiDict(parse_qsl(self.raw_query_string, keep_blank_values=True)) + return MultiDictProxy(ret) + + @property + def raw_query_string(self): + """Encoded query part of URL. + + Empty string if query is missing. + + """ + return self._val.query + + @cached_property + def query_string(self): + """Decoded query part of URL. + + Empty string if query is missing. + + """ + return self._QS_UNQUOTER(self.raw_query_string) + + @cached_property + def path_qs(self): + """Decoded path of URL with query.""" + if not self.query_string: + return self.path + return "{}?{}".format(self.path, self.query_string) + + @cached_property + def raw_path_qs(self): + """Encoded path of URL with query.""" + if not self.raw_query_string: + return self.raw_path + return "{}?{}".format(self.raw_path, self.raw_query_string) + + @property + def raw_fragment(self): + """Encoded fragment part of URL. + + Empty string if fragment is missing. + + """ + return self._val.fragment + + @cached_property + def fragment(self): + """Decoded fragment part of URL. + + Empty string if fragment is missing. + + """ + return self._UNQUOTER(self.raw_fragment) + + @cached_property + def raw_parts(self): + """A tuple containing encoded *path* parts. + + ('/',) for absolute URLs if *path* is missing. + + """ + path = self._val.path + if self.is_absolute(): + if not path: + parts = ["/"] + else: + parts = ["/"] + path[1:].split("/") + else: + if path.startswith("/"): + parts = ["/"] + path[1:].split("/") + else: + parts = path.split("/") + return tuple(parts) + + @cached_property + def parts(self): + """A tuple containing decoded *path* parts. + + ('/',) for absolute URLs if *path* is missing. + + """ + return tuple(self._UNQUOTER(part) for part in self.raw_parts) + + @cached_property + def parent(self): + """A new URL with last part of path removed and cleaned up query and + fragment. + + """ + path = self.raw_path + if not path or path == "/": + if self.raw_fragment or self.raw_query_string: + return URL(self._val._replace(query="", fragment=""), encoded=True) + return self + parts = path.split("/") + val = self._val._replace(path="/".join(parts[:-1]), query="", fragment="") + return URL(val, encoded=True) + + @cached_property + def raw_name(self): + """The last part of raw_parts.""" + parts = self.raw_parts + if self.is_absolute(): + parts = parts[1:] + if not parts: + return "" + else: + return parts[-1] + else: + return parts[-1] + + @cached_property + def name(self): + """The last part of parts.""" + return self._UNQUOTER(self.raw_name) + + @staticmethod + def _validate_authority_uri_abs_path(host, path): + """Ensure that path in URL with authority starts with a leading slash. + + Raise ValueError if not. + """ + if len(host) > 0 and len(path) > 0 and not path.startswith("/"): + raise ValueError( + "Path in a URL with authority should start with a slash ('/') if set" + ) + + @classmethod + def _normalize_path(cls, path): + # Drop '.' and '..' from path + + segments = path.split("/") + resolved_path = [] + + for seg in segments: + if seg == "..": + try: + resolved_path.pop() + except IndexError: + # ignore any .. segments that would otherwise cause an + # IndexError when popped from resolved_path if + # resolving for rfc3986 + pass + elif seg == ".": + continue + else: + resolved_path.append(seg) + + if segments[-1] in (".", ".."): + # do some post-processing here. + # if the last segment was a relative dir, + # then we need to append the trailing '/' + resolved_path.append("") + + return "/".join(resolved_path) + + if sys.version_info >= (3, 7): + + @classmethod + def _encode_host(cls, host, human=False): + try: + ip, sep, zone = host.partition("%") + ip = ip_address(ip) + except ValueError: + host = host.lower() + # IDNA encoding is slow, + # skip it for ASCII-only strings + # Don't move the check into _idna_encode() helper + # to reduce the cache size + if human or host.isascii(): + return host + host = _idna_encode(host) + else: + host = ip.compressed + if sep: + host += "%" + zone + if ip.version == 6: + host = "[" + host + "]" + return host + + else: + # work around for missing str.isascii() in Python <= 3.6 + @classmethod + def _encode_host(cls, host, human=False): + try: + ip, sep, zone = host.partition("%") + ip = ip_address(ip) + except ValueError: + host = host.lower() + if human: + return host + + for char in host: + if char > "\x7f": + break + else: + return host + host = _idna_encode(host) + else: + host = ip.compressed + if sep: + host += "%" + zone + if ip.version == 6: + host = "[" + host + "]" + return host + + @classmethod + def _make_netloc( + cls, user, password, host, port, encode=False, encode_host=True, requote=False + ): + quoter = cls._REQUOTER if requote else cls._QUOTER + if encode_host: + ret = cls._encode_host(host) + else: + ret = host + if port: + ret = ret + ":" + str(port) + if password is not None: + if not user: + user = "" + else: + if encode: + user = quoter(user) + if encode: + password = quoter(password) + user = user + ":" + password + elif user and encode: + user = quoter(user) + if user: + ret = user + "@" + ret + return ret + + def with_scheme(self, scheme): + """Return a new URL with scheme replaced.""" + # N.B. doesn't cleanup query/fragment + if not isinstance(scheme, str): + raise TypeError("Invalid scheme type") + if not self.is_absolute(): + raise ValueError("scheme replacement is not allowed for relative URLs") + return URL(self._val._replace(scheme=scheme.lower()), encoded=True) + + def with_user(self, user): + """Return a new URL with user replaced. + + Autoencode user if needed. + + Clear user/password if user is None. + + """ + # N.B. doesn't cleanup query/fragment + val = self._val + if user is None: + password = None + elif isinstance(user, str): + user = self._QUOTER(user) + password = val.password + else: + raise TypeError("Invalid user type") + if not self.is_absolute(): + raise ValueError("user replacement is not allowed for relative URLs") + return URL( + self._val._replace( + netloc=self._make_netloc(user, password, val.hostname, val.port) + ), + encoded=True, + ) + + def with_password(self, password): + """Return a new URL with password replaced. + + Autoencode password if needed. + + Clear password if argument is None. + + """ + # N.B. doesn't cleanup query/fragment + if password is None: + pass + elif isinstance(password, str): + password = self._QUOTER(password) + else: + raise TypeError("Invalid password type") + if not self.is_absolute(): + raise ValueError("password replacement is not allowed for relative URLs") + val = self._val + return URL( + self._val._replace( + netloc=self._make_netloc(val.username, password, val.hostname, val.port) + ), + encoded=True, + ) + + def with_host(self, host): + """Return a new URL with host replaced. + + Autoencode host if needed. + + Changing host for relative URLs is not allowed, use .join() + instead. + + """ + # N.B. doesn't cleanup query/fragment + if not isinstance(host, str): + raise TypeError("Invalid host type") + if not self.is_absolute(): + raise ValueError("host replacement is not allowed for relative URLs") + if not host: + raise ValueError("host removing is not allowed") + val = self._val + return URL( + self._val._replace( + netloc=self._make_netloc(val.username, val.password, host, val.port) + ), + encoded=True, + ) + + def with_port(self, port): + """Return a new URL with port replaced. + + Clear port to default if None is passed. + + """ + # N.B. doesn't cleanup query/fragment + if port is not None and not isinstance(port, int): + raise TypeError("port should be int or None, got {}".format(type(port))) + if not self.is_absolute(): + raise ValueError("port replacement is not allowed for relative URLs") + val = self._val + return URL( + self._val._replace( + netloc=self._make_netloc( + val.username, val.password, val.hostname, port, encode=True + ) + ), + encoded=True, + ) + + def with_path(self, path, *, encoded=False): + """Return a new URL with path replaced.""" + if not encoded: + path = self._PATH_QUOTER(path) + if self.is_absolute(): + path = self._normalize_path(path) + if len(path) > 0 and path[0] != "/": + path = "/" + path + return URL(self._val._replace(path=path, query="", fragment=""), encoded=True) + + @classmethod + def _query_seq_pairs(cls, quoter, pairs): + for key, val in pairs: + if isinstance(val, (list, tuple)): + for v in val: + yield quoter(key) + "=" + quoter(cls._query_var(v)) + else: + yield quoter(key) + "=" + quoter(cls._query_var(val)) + + @staticmethod + def _query_var(v): + cls = type(v) + if issubclass(cls, str): + return v + if issubclass(cls, float): + if math.isinf(v): + raise ValueError("float('inf') is not supported") + if math.isnan(v): + raise ValueError("float('nan') is not supported") + return str(float(v)) + if issubclass(cls, int) and cls is not bool: + return str(int(v)) + raise TypeError( + "Invalid variable type: value " + "should be str, int or float, got {!r} " + "of type {}".format(v, cls) + ) + + def _get_str_query(self, *args, **kwargs): + if kwargs: + if len(args) > 0: + raise ValueError( + "Either kwargs or single query parameter must be present" + ) + query = kwargs + elif len(args) == 1: + query = args[0] + else: + raise ValueError("Either kwargs or single query parameter must be present") + + if query is None: + query = "" + elif isinstance(query, Mapping): + quoter = self._QUERY_PART_QUOTER + query = "&".join(self._query_seq_pairs(quoter, query.items())) + elif isinstance(query, str): + query = self._QUERY_QUOTER(query) + elif isinstance(query, (bytes, bytearray, memoryview)): + raise TypeError( + "Invalid query type: bytes, bytearray and memoryview are forbidden" + ) + elif isinstance(query, Sequence): + quoter = self._QUERY_PART_QUOTER + # We don't expect sequence values if we're given a list of pairs + # already; only mappings like builtin `dict` which can't have the + # same key pointing to multiple values are allowed to use + # `_query_seq_pairs`. + query = "&".join( + quoter(k) + "=" + quoter(self._query_var(v)) for k, v in query + ) + else: + raise TypeError( + "Invalid query type: only str, mapping or " + "sequence of (key, value) pairs is allowed" + ) + + return query + + def with_query(self, *args, **kwargs): + """Return a new URL with query part replaced. + + Accepts any Mapping (e.g. dict, multidict.MultiDict instances) + or str, autoencode the argument if needed. + + A sequence of (key, value) pairs is supported as well. + + It also can take an arbitrary number of keyword arguments. + + Clear query if None is passed. + + """ + # N.B. doesn't cleanup query/fragment + + new_query = self._get_str_query(*args, **kwargs) + return URL( + self._val._replace(path=self._val.path, query=new_query), encoded=True + ) + + def update_query(self, *args, **kwargs): + """Return a new URL with query part updated.""" + s = self._get_str_query(*args, **kwargs) + new_query = MultiDict(parse_qsl(s, keep_blank_values=True)) + query = MultiDict(self.query) + query.update(new_query) + + return URL(self._val._replace(query=self._get_str_query(query)), encoded=True) + + def with_fragment(self, fragment): + """Return a new URL with fragment replaced. + + Autoencode fragment if needed. + + Clear fragment to default if None is passed. + + """ + # N.B. doesn't cleanup query/fragment + if fragment is None: + raw_fragment = "" + elif not isinstance(fragment, str): + raise TypeError("Invalid fragment type") + else: + raw_fragment = self._FRAGMENT_QUOTER(fragment) + if self.raw_fragment == raw_fragment: + return self + return URL(self._val._replace(fragment=raw_fragment), encoded=True) + + def with_name(self, name): + """Return a new URL with name (last part of path) replaced. + + Query and fragment parts are cleaned up. + + Name is encoded if needed. + + """ + # N.B. DOES cleanup query/fragment + if not isinstance(name, str): + raise TypeError("Invalid name type") + if "/" in name: + raise ValueError("Slash in name is not allowed") + name = self._PATH_QUOTER(name) + if name in (".", ".."): + raise ValueError(". and .. values are forbidden") + parts = list(self.raw_parts) + if self.is_absolute(): + if len(parts) == 1: + parts.append(name) + else: + parts[-1] = name + parts[0] = "" # replace leading '/' + else: + parts[-1] = name + if parts[0] == "/": + parts[0] = "" # replace leading '/' + return URL( + self._val._replace(path="/".join(parts), query="", fragment=""), + encoded=True, + ) + + def join(self, url): + """Join URLs + + Construct a full (“absolute”) URL by combining a “base URL” + (self) with another URL (url). + + Informally, this uses components of the base URL, in + particular the addressing scheme, the network location and + (part of) the path, to provide missing components in the + relative URL. + + """ + # See docs for urllib.parse.urljoin + if not isinstance(url, URL): + raise TypeError("url should be URL") + return URL(urljoin(str(self), str(url)), encoded=True) + + def human_repr(self): + """Return decoded human readable string for URL representation.""" + user = _human_quote(self.user, "#/:?@") + password = _human_quote(self.password, "#/:?@") + host = self.host + if host: + host = self._encode_host(self.host, human=True) + path = _human_quote(self.path, "#?") + query_string = "&".join( + "{}={}".format(_human_quote(k, "#&+;="), _human_quote(v, "#&+;=")) + for k, v in self.query.items() + ) + fragment = _human_quote(self.fragment, "") + return urlunsplit( + SplitResult( + self.scheme, + self._make_netloc( + user, + password, + host, + self._val.port, + encode_host=False, + ), + path, + query_string, + fragment, + ) + ) + + +def _human_quote(s, unsafe): + if not s: + return s + for c in "%" + unsafe: + if c in s: + s = s.replace(c, "%{:02X}".format(ord(c))) + if s.isprintable(): + return s + return "".join(c if c.isprintable() else quote(c) for c in s) + + +_MAXCACHE = 256 + + +@functools.lru_cache(_MAXCACHE) +def _idna_decode(raw): + try: + return idna.decode(raw.encode("ascii")) + except UnicodeError: # e.g. '::1' + return raw.encode("ascii").decode("idna") + + +@functools.lru_cache(_MAXCACHE) +def _idna_encode(host): + try: + return idna.encode(host, uts46=True).decode("ascii") + except UnicodeError: + return host.encode("idna").decode("ascii") + + +@rewrite_module +def cache_clear(): + _idna_decode.cache_clear() + _idna_encode.cache_clear() + + +@rewrite_module +def cache_info(): + return { + "idna_encode": _idna_encode.cache_info(), + "idna_decode": _idna_decode.cache_info(), + } + + +@rewrite_module +def cache_configure(*, idna_encode_size=_MAXCACHE, idna_decode_size=_MAXCACHE): + global _idna_decode, _idna_encode + + _idna_encode = functools.lru_cache(idna_encode_size)(_idna_encode.__wrapped__) + _idna_decode = 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a/backend/mb-env/share/python-wheels/wheel-0.34.2-py2.py3-none-any.whl b/backend/mb-env/share/python-wheels/wheel-0.34.2-py2.py3-none-any.whl new file mode 100644 index 0000000..f7cdd4c Binary files /dev/null and b/backend/mb-env/share/python-wheels/wheel-0.34.2-py2.py3-none-any.whl differ diff --git a/backend/mb-env/src/moodbase b/backend/mb-env/src/moodbase new file mode 160000 index 0000000..9d958e6 --- /dev/null +++ b/backend/mb-env/src/moodbase @@ -0,0 +1 @@ +Subproject commit 9d958e6052b7fff1ad917d7e0b953d11b81182e4 diff --git a/backend/models/__init__.py b/backend/models/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/models/groupModel.py b/backend/models/groupModel.py new file mode 100644 index 0000000..7e79f34 --- /dev/null +++ b/backend/models/groupModel.py @@ -0,0 +1,10 @@ +from pydantic import BaseModel + +class GroupData(BaseModel): + name:str + memberDict:dict + colors:dict + weightButtons:dict + adminUser:str + timeInterval:int + password:str \ No newline at end of file diff --git a/backend/models/plotModel.py b/backend/models/plotModel.py new file mode 100644 index 0000000..27a3515 --- /dev/null +++ b/backend/models/plotModel.py @@ -0,0 +1,26 @@ +from typing import ValuesView +from pydantic import BaseModel, Field +from datetime import datetime + + +# remember x value is happiness y value is calm +class PlotDataSubmission(BaseModel): + happiness: float + calm: float + mapX: int + mapY: int + timerange: str + +class UserPlotData(BaseModel): + user:str + dictWithLists:dict + +class UserColorChoices(BaseModel): + happyColor:dict + calmColor:dict + sadColor:dict + anxiousColor:dict + +class UserColorChange(BaseModel): + colorChange:dict + variable:str diff --git a/backend/models/userModel.py b/backend/models/userModel.py new file mode 100644 index 0000000..adf38c4 --- /dev/null +++ b/backend/models/userModel.py @@ -0,0 +1,20 @@ +from typing import Optional +from db import userData +from pydantic import BaseModel, EmailStr, Field + +class TestModel(BaseModel): + testing:str + +class User(BaseModel): + username: str + password: str + email: Optional[EmailStr] + active= False + +class ActivationModel(BaseModel): + token:str + +class ResetModel(BaseModel): + email:Optional[EmailStr] + token:Optional[str] + newPassword:Optional[str] \ No newline at end of file diff --git a/backend/models/weightModel.py b/backend/models/weightModel.py new file mode 100644 index 0000000..0596b70 --- /dev/null +++ b/backend/models/weightModel.py @@ -0,0 +1,12 @@ +from pydantic import BaseModel +from datetime import datetime + +class WeightLookupObject(BaseModel): + username:str + day:datetime + +class WeightData(BaseModel): + name:str + value:int + delta:int + timerange:str diff --git a/backend/modules/AuthenticationModule.py b/backend/modules/AuthenticationModule.py new file mode 100644 index 0000000..52703a7 --- /dev/null +++ b/backend/modules/AuthenticationModule.py @@ -0,0 +1,160 @@ +# database stuff +from db import userData,bannedKeys,aggregateData, groupData +from models.userModel import User +from modules.UserAggregationUtilities import updateUserCountOnActivation + +# email stuff +import modules.EmailModule as email + +# dependency injection stuff +from fastapi import HTTPException, Depends,BackgroundTasks, Security, Header + +# jwt and password stuff +from jose import JWTError, jwt +from passlib.context import CryptContext +from datetime import datetime,timedelta,timezone + +# environment variable and bearer stuff +from config import Secret +from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config + +security = HTTPBearer() + +secret=config('secret') +pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto") + +def gate(refresh: str = Header(None), userAuth: HTTPAuthorizationCredentials = Security(security)): + try: + return getUserFromToken(userAuth.credentials) + except: + raise HTTPException(status_code=401,detail='invalid token') + +def verifyUserAtLogin(loginAttempt: User) -> User: + checkUsername={'username':loginAttempt['username']} + if userData.find(checkUsername).limit(1).count()<1: + return False + else: + userToCheck=userData.find_one(checkUsername) + if pwd_context.verify(loginAttempt['password'].encode('utf-8'), userToCheck['password']): + return userToCheck + else: + return False + +def createAccessToken(subName: str,*args) -> dict(): + payload = { + 'exp' : datetime.now(timezone.utc) + timedelta(days=args[0], hours=args[1], minutes=args[2]), + 'iat' : datetime.now(tz=timezone.utc), + 'sub' : subName } + return jwt.encode( + payload, + secret, + algorithm='HS256' + ) + +def getUserFromToken(tokenToUser:str)-> str: + decoded = jwt.decode(tokenToUser, secret, 'HS256') + userStr=decoded['sub'] + return userStr + +def checkToken(tokenToCheck:str)->str: + try: + jwt.decode(tokenToCheck,secret,'HS256') + return tokenToCheck + except: + raise HTTPException(status_code=401,detail='invalid token') + +def addUserToDatabase(user:User) -> dict: + checkUsername={'username':user.username} + # checkEmail={'email':user.email} + if userData.find(checkUsername).limit(1).count()>0: + raise HTTPException(status_code=404,detail="User already exists with this ID or email address") + else: + userToDB=user.dict() + userToDB['groupMemberships']={} + userToDB['password']=pwd_context.hash(user.password) + userData.insert_one(userToDB) + activationToken=createAccessToken(user.username,2,0,0) + url=createUrlForEmail("activate",activationToken) + activationSpecs={'urlDict':{'url':url},'subject':'Activation email', + 'recipient':user.email,'template':'ActivationEmail.html'} + return activationSpecs + +def createUrlForEmail(route: str,token:str) -> str: + url=f"http://localhost:8080/{route}/{token}" + return url + +def activateUser(tokenDict: dict) -> dict: + user=getUserFromToken(tokenDict.token) + userData.update_one({'username':user},{'$set':{'active':True}}) + updateUserCountOnActivation() + activationToken=createAccessToken(user,0,0,30) + return activationToken + +def sendResetEmail(emailObj): + lookupEmail={'email':emailObj.email} + user=userData.find_one(lookupEmail) + forgotToken=createAccessToken(user,0,0,60) + url=createUrlForEmail("reset",forgotToken) + emailSpecifications={ + 'recipient':emailObj.email, + 'urlDict': {'url':url}, + 'subject':"Reset password email", + 'template':'ResetEmail.html'} + return emailSpecifications + +def resetPassword(newPassword): + resetToken=newPassword.token + user=getUserFromToken(resetToken) + if not user: raise HTTPException(status_code=404,detail='Did not work') + userData.update_one({'username':user}, + {'$set':{'password':pwd_context.hash(newPassword.newPassword)}}) + return {'message':'password reset successfully'} + +def attemptRefresh(refreshToken): + user=getUserFromToken(refreshToken) + if user: + return {'access_token':createAccessToken(user,0,0,1),'token_type':'bearer'} + else: + raise HTTPException(status_code=401,detail='invalid token') + +def banKeyTTL(tokenToBan): + try: + expiry = createTTL(tokenToBan) + bannedKeys.insert_one({'expires':expiry,'tokenValue':tokenToBan}) + return True + except: + raise HTTPException(status_code=418, detail="Something happened") + +def createTTL(token:str): + decoded = jwt.decode(token,secret,'HS256') + expDT = datetime.fromtimestamp(decoded['exp'],tz=timezone.utc) + return expDT + # timeToExpire = (expDT - datetime.now(timezone.utc)).total_seconds() + # return timeToExpire + +def sendGroupInvitations(groupName:str,membersToInvite:dict): + for member in membersToInvite.keys(): + email.sendEmailBackground({ + 'recipient':userData.find_one({'user':member})['email'], + 'urlDict':{ + 'url':createUrlForEmail("groups/"+groupName,createAccessToken(member)), + 'groupName':groupName + }, + 'subject':'Your invitation to a moodgroup', + 'template':'GroupInvitation.html' + }) + return True + +def handleGroupLogin(userToken:str,groupName:str): + userToCheck= userData.find_one ( + {'username': getUserFromToken(userToken)} + ) + groupToCheck = groupData.find_one( + {'name':groupName}) + if 'groupName' in userToCheck['groupMemberships'] and + userToCheck['username'] in groupToCheck['memberDict' ]: + return True + else: + raise HTTPException(status_code=404,detail='You are not currently a member of this group. Speak to the group administrator to regain access.') diff --git a/backend/modules/ColorCombinations.csv b/backend/modules/ColorCombinations.csv new file mode 100644 index 0000000..a75d277 --- /dev/null +++ b/backend/modules/ColorCombinations.csv @@ -0,0 +1,561 @@ +Category,black +#000000,Black (W3C) +#0C090A,Night +#34282C,Charcoal +#3B3131,Oil +#3A3B3C,Dark Gray +#413839,Black Cat +#3D3C3A,Iridium +#463E3F,Black Eel +#4C4646,Black Cow +Category,gray +#504A4B,Gray Wolf +#565051,Vampire Gray +#52595D,Iron Gray +#5C5858,Gray Dolphin +#625D5D,Carbon Gray +#666362,Ash Gray +#6D6968,Cloudy Gray +#696969,DimGray +#726E6D,Smokey Gray +#736F6E,Alien Gray +#757575,Sonic Silver +#797979,Platinum Gray +#837E7C,Granite +#808080,Gray +#848482,Battleship Gray +#A9A9A9,DarkGray +#B6B6B4,Gray Cloud +#C0C0C0,Silver (W3C) +#C9C0BB,Pale Silver +#D1D0CE,Gray Goose +#CECECE,Platinum Silver +#D3D3D3,LightGray +#DCDCDC,Gainsboro (W3C) +#E5E4E2,Platinum +#BCC6CC,Metallic Silver +Category,blue +#98AFC7,Blue Gray +#838996,Roman Silver +#778899,LightSlateGray or LightSlateGrey (W3C) +#708090,SlateGray or SlateGrey (W3C) +#6D7B8D,Rat Gray +#657383,Slate Granite Gray +#616D7E,Jet Gray +#646D7E,Mist Blue +#566D7E,Marble Blue +#737CA1,Slate Blue Grey +#728FCE,Light Purple Blue +#4863A0,Azure Blue +#2B547E,Blue Jay +#29465B,Dark Blue Grey +#2B3856,Dark Slate +#123456,Deep Sea Blue +#151B54,Night Blue +#191970,MidnightBlue (W3C) +#000080,Navy (W3C) +#151B8D,Denim Dark Blue +#00008B,DarkBlue (W3C) +#15317E,Lapis Blue +#0000A0,New Midnight Blue +#0000A5,Earth Blue +#0020C2,Cobalt Blue +#0000CD,MediumBlue (W3C) +#0041C2,Blueberry Blue +#2916F5,Canary Blue +#0000FF,Blue (W3C) +#0909FF,Bright Blue +#1F45FC,Blue Orchid +#2554C7,Sapphire Blue +#1569C7,Blue Eyes +#1974D2,Bright Navy Blue +#2B60DE,Balloon Blue +#4169E1,RoyalBlue (W3C) +#2B65EC,Ocean Blue +#306EFF,Blue Ribbon +#157DEC,Blue Dress +#1589FF,Neon Blue +#1E90FF,DodgerBlue (W3C) +#368BC1,Glacial Blue Ice +#4682B4,SteelBlue (W3C) +#488AC7,Silk Blue +#357EC7,Windows Blue +#3090C7,Blue Ivy +#659EC7,Blue Koi +#87AFC7,Columbia Blue +#95B9C7,Baby Blue +#6495ED,CornflowerBlue (W3C) +#6698FF,Sky Blue Dress +#56A5EC,Iceberg +#38ACEC,Butterfly Blue +#00BFFF,DeepSkyBlue (W3C) +#3BB9FF,Midday Blue +#5CB3FF,Crystal Blue +#79BAEC,Denim Blue +#82CAFF,Day Sky Blue +#87CEFA,LightSkyBlue (W3C) +#87CEEB,SkyBlue (W3C) +#A0CFEC,Jeans Blue +#B7CEEC,Blue Angel +#B4CFEC,Pastel Blue +#ADDFFF,Light Day Blue +#C2DFFF,Sea Blue +#C6DEFF,Heavenly Blue +#BDEDFF,Robin Egg Blue +#B0E0E6,PowderBlue (W3C) +#AFDCEC,Coral Blue +#ADD8E6,LightBlue (W3C) +#B0CFDE,LightSteelBlue (W3C) +#C9DFEC,Gulf Blue +#D5D6EA,Pastel Light Blue +#E3E4FA,Lavender Blue +#E6E6FA,Lavender (W3C) +#EBF4FA,Water +#F0F8FF,AliceBlue (W3C) +#F8F8FF,GhostWhite (W3C) +#F0FFFF,Azure (W3C) +#E0FFFF,LightCyan (W3C) +#CCFFFF,Light Slate +#9AFEFF,Electric Blue +#7DFDFE,Tron Blue +#57FEFF,Blue Zircon +#00FFFF,Aqua or Cyan (W3C) +#0AFFFF,Bright Cyan +#50EBEC,Celeste +#4EE2EC,Blue Diamond +#16E2F5,Bright Turquoise +#8EEBEC,Blue Lagoon +#AFEEEE,PaleTurquoise (W3C) +#CFECEC,Pale Blue Lily +#81D8D0,Tiffany Blue +#77BFC7,Blue Hosta +#92C7C7,Cyan Opaque +#78C7C7,Northern Lights Blue +Category,green +#7BCCB5,Blue Green +#66CDAA,MediumAquaMarine (W3C) +#AAF0D1,Magic Mint +#7FFFD4,Aquamarine (W3C) +#93FFE8,Light Aquamarine +#40E0D0,Turquoise (W3C) +#48D1CC,MediumTurquoise (W3C) +#48CCCD,Deep Turquoise +#46C7C7,Jellyfish +#43C6DB,Blue Turquoise +#00CED1,DarkTurquoise (W3C) +#43BFC7,Macaw Blue Green +#20B2AA,LightSeaGreen (W3C) +#3EA99F,Seafoam Green +#5F9EA0,CadetBlue (W3C) +#3B9C9C,Deep Sea +#008B8B,DarkCyan (W3C) +#008080,Teal (W3C) +#045F5F,Medium Teal +#033E3E,Deep Teal +#25383C,DarkSlateGray or DarkSlateGrey (W3C) +#2C3539,Gunmetal +#3C565B,Blue Moss Green +#4C787E,Beetle Green +#5E7D7E,Grayish Turquoise +#307D7E,Greenish Blue +#348781,Aquamarine Stone +#438D80,Sea Turtle Green +#4E8975,Dull Sea Green +#306754,Deep Sea Green +#2E8B57,SeaGreen (W3C) +#31906E,Dark Mint +#34A56F,Earth Green +#50C878,Emerald +#3EB489,Mint +#3CB371,MediumSeaGreen (W3C) +#78866B,Camouflage Green +#848B79,Sage Green +#617C58,Hazel Green +#728C00,Venom Green +#6B8E23,OliveDrab (W3C) +#808000,Olive (W3C) +#556B2F,DarkOliveGreen (W3C) +#4B5320,Army Green +#667C26,Fern Green +#4E9258,Fall Forest Green +#387C44,Pine Green +#347235,Medium Forest Green +#347C2C,Jungle Green +#228B22,ForestGreen (W3C) +#008000,Green (W3C) +#006400,DarkGreen (W3C) +#046307,Deep Emerald Green +#254117,Dark Forest Green +#437C17,Seaweed Green +#347C17,Shamrock Green +#6AA121,Green Onion +#4AA02C,Green Pepper +#41A317,Dark Lime Green +#12AD2B,Parrot Green +#3EA055,Clover Green +#73A16C,Dinosaur Green +#6CBB3C,Green Snake +#6CC417,Alien Green +#4CC417,Green Apple +#32CD32,LimeGreen (W3C) +#52D017,Pea Green +#4CC552,Kelly Green +#54C571,Zombie Green +#99C68E,Frog Green +#8FBC8F,DarkSeaGreen (W3C) +#89C35C,Green Peas +#85BB65,Dollar Bill Green +#9CB071,Iguana Green +#B0BF1A,Acid Green +#B2C248,Avocado Green +#9DC209,Pistachio Green +#A1C935,Salad Green +#9ACD32,YellowGreen (W3C) +#77DD77,Pastel Green +#7FE817,Hummingbird Green +#59E817,Nebula Green +#57E964,Stoplight Go Green +#16F529,Neon Green +#5EFB6E,Jade Green +#36F57F,Lime Mint Green +#00FF7F,SpringGreen (W3C) +#00FA9A,MediumSpringGreen (W3C) +#5FFB17,Emerald Green +#00FF00,Lime (W3C) +#7CFC00,LawnGreen (W3C) +#66FF00,Bright Green +#7FFF00,Chartreuse (W3C) +#87F717,Yellow Lawn Green +#98F516,Aloe Vera Green +#B1FB17,Dull Green Yellow +#ADFF2F,GreenYellow (W3C) +#BDF516,Chameleon Green +#E2F516,Yellow Green Grosbeak +#CCFB5D,Tea Green +#BCE954,Slime Green +#64E986,Algae Green +#90EE90,LightGreen (W3C) +#6AFB92,Dragon Green +#98FB98,PaleGreen (W3C) +#98FF98,Mint Green +#B5EAAA,Green Thumb +#E3F9A6,Organic Brown +#C3FDB8,Light Jade +#DBF9DB,Light Rose Green +#F0FFF0,HoneyDew (W3C) +#F5FFFA,MintCream (W3C) +Category,yellow +#FFFACD,LemonChiffon (W3C) +#FFFFC2,Parchment +#FFFFCC,Cream +#FAFAD2,LightGoldenRodYellow (W3C) +#FFFFE0,LightYellow (W3C) +#F5F5DC,Beige (W3C) +#FFF8DC,Cornsilk (W3C) +#FBF6D9,Blonde +#F7E7CE,Champagne +#FAEBD7,AntiqueWhite (W3C) +#FFEFD5,PapayaWhip (W3C) +#FFEBCD,BlanchedAlmond (W3C) +#FFE4C4,Bisque (W3C) +#F5DEB3,Wheat (W3C) +#FFE4B5,Moccasin (W3C) +#FFE5B4,Peach +#FED8B1,Light Orange +#FFDAB9,PeachPuff (W3C) +#FFDEAD,NavajoWhite (W3C) +#F3E3C3,Golden Silk +#F3E5AB,Vanilla +#ECE5B6,Tan Brown +#EEE8AA,PaleGoldenRod (W3C) +#F0E68C,Khaki (W3C) +#EDDA74,Cardboard Brown +#EDE275,Harvest Gold +#FFE87C,Sun Yellow +#FFF380,Corn Yellow +#FAF884,Pastel Yellow +#FFFF00,Yellow (W3C) +#FFEF00,Canary Yellow +#F5E216,Banana Yellow +#FFDB58,Mustard Yellow +#FFDF00,Golden Yellow +#F9DB24,Bold Yellow +#FFD801,Rubber Ducky Yellow +#FFD700,Gold (W3C) +#FDD017,Bright Gold +#EAC117,Golden Brown +#F6BE00,Deep Yellow +#F2BB66,Macaroni and Cheese +#FBB917,Saffron +#FBB117,Beer +#FFAE42,Yellow Orange or Orange Yellow +#FFA62F,Cantaloupe +#FFA500,Orange (W3C) +#EE9A4D,Brown Sand +#F4A460,SandyBrown (W3C) +#E2A76F,Brown Sugar +#C19A6B,Camel Brown +#E6BF83,Deer Brown +#DEB887,BurlyWood (W3C) +#D2B48C,Tan (W3C) +#C8AD7F,Light French Beige +#C2B280,Sand +#BCB88A,Sage +#C8B560,Fall Leaf Brown +#C9BE62,Ginger Brown +#BDB76B,DarkKhaki (W3C) +#BAB86C,Olive Green +#B5A642,Brass +#C7A317,Cookie Brown +#D4AF37,Metallic Gold +#E9AB17,Bee Yellow +#E8A317,School Bus Yellow +#DAA520,GoldenRod (W3C) +#D4A017,Orange Gold +Category,brown +#B8860B,DarkGoldenRod (W3C) +#C58917,Cinnamon +#CD853F,Peru (W3C) +#CD7F32,Bronze +#C88141,Tiger Orange +#B87333,Copper +#966F33,Wood +#806517,Oak Brown +#665D1E,Antique Bronze +#8E7618,Hazel +#8B8000,Dark Yellow +#827839,Dark Moccasin +#AF9B60,Bullet Shell +#827B60,Army Brown +#786D5F,Sandstone +#483C32,Taupe +#493D26,Mocha +#513B1C,Milk Chocolate +#3D3635,Gray Brown +#3B2F2F,Dark Coffee +#43302E,Old Burgundy +#5C3317,Bakers Brown +#654321,Dark Brown +#6F4E37,Coffee +#835C3B,Brown Bear +#7F5217,Red Dirt +#7F462C,Sepia +#A0522D,Sienna (W3C) +#8B4513,SaddleBrown (W3C) +#8A4117,Dark Sienna +#7E3817,Sangria +#7E3517,Blood Red +#954535,Chestnut +#C34A2C,Chestnut Red +#C04000,Mahogany +Category,orange +#C35817,Red Fox +#B86500,Dark Bisque +#B5651D,Light Brown +#C36241,Rust +#CB6D51,Copper Red +#C47451,Orange Salmon +#D2691E,Chocolate (W3C) +#CC6600,Sedona +#E56717,Papaya Orange +#E66C2C,Halloween Orange +#FF6700,Neon Orange +#FF5F1F,Bright Orange +#F87217,Pumpkin Orange +#F88017,Carrot Orange +#FF8C00,DarkOrange (W3C) +#F87431,Construction Cone Orange +#E67451,Sunrise Orange +#FF8040,Mango Orange +#FF7F50,Coral (W3C) +#F88158,Basket Ball Orange +#F9966B,Light Salmon Rose +#FFA07A,LightSalmon (W3C) +#E9967A,DarkSalmon (W3C) +#E78A61,Tangerine +#DA8A67,Light Copper +#FA8072,Salmon (W3C) +#F08080,LightCoral (W3C) +#F67280,Pastel Red +#E77471,Pink Coral +#F75D59,Bean Red +#E55451,Valentine Red +#CD5C5C,IndianRed (W3C) +#FF6347,Tomato (W3C) +#E55B3C,Shocking Orange +#FF4500,OrangeRed (W3C) +Category,red +#FF0000,Red (W3C) +#FF2400,Scarlet +#F62217,Ruby Red +#F70D1A,Ferrari Red +#F62817,Fire Engine Red +#E42217,Lava Red +#E41B17,Love Red +#DC381F,Grapefruit +#C24641,Cherry Red +#C11B17,Chilli Pepper +#B22222,FireBrick (W3C) +#A52A2A,Brown (W3C) +#A70D2A,Carbon Red +#9F000F,Cranberry +#990012,Red Wine or Wine Red +#8B0000,DarkRed (W3C) +#800000,Maroon (W3C) +#8C001A,Burgundy +#800517,Deep Red +#660000,Red Blood +#551606,Blood Night +#3D0C02,Black Bean +#3F000F,Chocolate Brown +#2B1B17,Midnight +#550A35,Purple Lily +#810541,Purple Maroon +#7D0541,Plum Pie +#7D0552,Plum Velvet +#7E354D,Velvet Maroon +#7F4E52,Rosy Finch +#7F525D,Dull Purple +#7F5A58,Puce +#997070,Rose Dust +#B38481,Rosy Pink +#BC8F8F,RosyBrown (W3C) +#C5908E,Khaki Rose +#C48189,Pink Brown +#C48793,Lipstick Pink +#E8ADAA,Rose +#C4AEAD,Silver Pink +#ECC5C0,Rose Gold +#FFCBA4,Deep Peach +#F8B88B,Pastel Orange +#EDC9AF,Desert Sand +#FFDDCA,Unbleached Silk +Category,pink +#FDD7E4,Pig Pink +#FFDFDD,Pink Bubble Gum +#FFE4E1,MistyRose (W3C) +#FFCCCB,Light Red +#FBCFCD,Light Rose +#FBBBB9,Deep Rose +#FFC0CB,Pink (W3C) +#FFB6C1,LightPink (W3C) +#FAAFBE,Donut Pink +#FAAFBA,Baby Pink +#F9A7B0,Flamingo Pink +#FEA3AA,Pastel Pink +#E7A1B0,Pink Rose +#E799A3,Pink Daisy +#E38AAE,Cadillac Pink +#F778A1,Carnation Pink +#E56E94,Blush Red +#DB7093,PaleVioletRed (W3C) +#D16587,Purple Pink +#C25A7C,Tulip Pink +#C25283,Bashful Pink +#E75480,Dark Pink +#F660AB,Dark Hot Pink +#FF69B4,HotPink (W3C) +#FC6C85,Watermelon Pink +#F6358A,Violet Red +#F52887,Hot Deep Pink +#FF1493,DeepPink (W3C) +#F535AA,Neon Pink +#E45E9D,Pink Cupcake +#E3319D,Dimorphotheca Magenta +#E4287C,Pink Lemonade +#DC143C,Crimson (W3C) +#C32148,Bright Maroon +#C21E56,Rose Red +#C12869,Rogue Pink +#C12267,Burnt Pink +#CA226B,Pink Violet +#C71585,MediumVioletRed (W3C) +#C12283,Dark Carnation Pink +#B93B8F,Pink Plum +#DA70D6,Orchid (W3C) +#DF73D4,Deep Mauve +#EE82EE,Violet (W3C) +#F433FF,Bright Neon Pink +#FF00FF,Fuchsia or Magenta (W3C) +Category,purple +#E238EC,Crimson Purple +#D462FF,Heliotrope Purple +#C45AEC,Tyrian Purple +#BA55D3,MediumOrchid (W3C) +#A74AC7,Purple Flower +#B048B5,Orchid Purple +#D291BC,Pastel Violet +#915F6D,Mauve Taupe +#7E587E,Viola Purple +#614051,Eggplant +#583759,Plum Purple +#5E5A80,Grape +#4E5180,Purple Navy +#6A5ACD,SlateBlue (W3C) +#6960EC,Blue Lotus +#736AFF,Light Slate Blue +#7B68EE,MediumSlateBlue (W3C) +#6C2DC7,Purple Amethyst +#6A0DAD,Bright Purple +#483D8B,DarkSlateBlue (W3C) +#4E387E,Purple Haze +#571B7E,Purple Iris +#4B0150,Dark Purple +#36013F,Deep Purple +#461B7E,Purple Monster +#4B0082,Indigo (W3C) +#342D7E,Blue Whale +#663399,RebeccaPurple (W3C) +#6A287E,Purple Jam +#8B008B,DarkMagenta (W3C) +#800080,Purple (W3C) +#86608E,French Lilac +#9932CC,DarkOrchid (W3C) +#9400D3,DarkViolet (W3C) +#8D38C9,Purple Violet +#A23BEC,Jasmine Purple +#B041FF,Purple Daffodil +#842DCE,Clemantis Violet +#8A2BE2,BlueViolet (W3C) +#7A5DC7,Purple Sage Bush +#7F38EC,Lovely Purple +#8E35EF,Purple Plum +#893BFF,Aztech Purple +#967BB6,Lavender Purple +#9370DB,MediumPurple (W3C) +#8467D7,Light Purple +#9172EC,Crocus Purple +#9E7BFF,Purple Mimosa +#DCD0FF,Pale Lilac +#E0B0FF,Mauve +#D891EF,Bright Lilac +#B666D2,Rich Lilac +#C38EC7,Purple Dragon +#C8A2C8,Lilac +#DDA0DD,Plum (W3C) +#E6A9EC,Blush Pink +#F2A2E8,Pastel Purple +#F9B7FF,Blossom Pink +#C6AEC7,Wisteria Purple +#D2B9D3,Purple Thistle +#D8BFD8,Thistle (W3C) +#E9CFEC,Periwinkle +#FCDFFF,Cotton Candy +#EBDDE2,Lavender Pinocchio +Category,white +#F8F0E3,Off White +#FFF0F5,LavenderBlush (W3C) +#FDEEF4,Pearl +#FFF9E3,Egg Shell +#FDF5E6,OldLace (W3C) +#FAF0E6,Linen (W3C) +#FFF5EE,SeaShell (W3C) +#FAF5EF,Rice +#FFFAF0,FloralWhite (W3C) +#FFFFF0,Ivory (W3C) +#FFFFF7,Light White +#F5F5F5,WhiteSmoke (W3C) +#FBFBF9,Cotton +#FFFAFA,Snow (W3C) +#FEFCFF,Milk White +#FFFFFF,White (W3C) diff --git a/backend/modules/EmailModule.py b/backend/modules/EmailModule.py new file mode 100644 index 0000000..6bb97c9 --- /dev/null +++ b/backend/modules/EmailModule.py @@ -0,0 +1,59 @@ +from fastapi import BackgroundTasks +from fastapi_mail import FastMail, MessageSchema, ConnectionConfig +from pathlib import Path +from dotenv import load_dotenv +load_dotenv('.env') +from decouple import config + +# environment variables +class Envs: + MAIL_USERNAME = config('MAIL_USERNAME') + MAIL_PASSWORD = config('MAIL_PASSWORD') + MAIL_FROM = config('MAIL_FROM') + MAIL_PORT = int(config('MAIL_PORT')) + MAIL_SERVER = config('MAIL_SERVER') + MAIL_FROM_NAME = config('MAIL_FROM_NAME') + +# mail config +mailer = ConnectionConfig( + MAIL_USERNAME=Envs.MAIL_USERNAME, + MAIL_PASSWORD=Envs.MAIL_PASSWORD, + MAIL_FROM=Envs.MAIL_FROM, + MAIL_PORT=Envs.MAIL_PORT, + MAIL_SERVER=Envs.MAIL_SERVER, + MAIL_FROM_NAME=Envs.MAIL_FROM_NAME, + MAIL_TLS=True, + MAIL_SSL=False, + USE_CREDENTIALS=True, + TEMPLATE_FOLDER=Path('./templates') +) + +# mail functions + +async def send_email_async(emailSpecs): + recipient="danbidikov@gmail.com" + # template_body={'url':url} + message = MessageSchema( + subject=emailSpecs['subject'], + recipients=[recipient], + template_body=emailSpecs['urlDict'], + subtype='html', + ) + + fm = FastMail(mailer) + await fm.send_message(message,template_name=emailSpecs['template']) + +async def sendEmailBackground(emailSpecs:dict): + recipient="danbidikov@gmail.com" + message = MessageSchema( + subject=emailSpecs['subject'], + recipients=[recipient], + template_body=emailSpecs['urlDict'], + subtype='html', + ) + # background_task=BackgroundTasks + fm = FastMail(mailer) + print(emailSpecs) + await fm.send_message( message, template_name=emailSpecs['template']) + + # return {'message':'email has been sent'} \ No newline at end of file diff --git a/backend/modules/HelperFunctions.py b/backend/modules/HelperFunctions.py new file mode 100644 index 0000000..cce5870 --- /dev/null +++ b/backend/modules/HelperFunctions.py @@ -0,0 +1,8 @@ +from datetime import datetime, timedelta + +def returnDay(): + d = datetime.utcnow() + return d.replace(hour=0,minute=0,second=0,microsecond=0) + +def getYesterday(day): + return day - timedelta(1) \ No newline at end of file diff --git a/backend/modules/PlotDataModule.py b/backend/modules/PlotDataModule.py new file mode 100644 index 0000000..0b826bf --- /dev/null +++ b/backend/modules/PlotDataModule.py @@ -0,0 +1,58 @@ +from db import plotData, colorData +from models.plotModel import PlotDataSubmission, UserColorChange +from schemas import PlotSchema, ColorSchema +import os +from bson import json_util +import json + +def filePlotClick(user:str,data:PlotDataSubmission): + PlotSchema.updateUserPlotDataDocument(user,data) + PlotSchema.updateDailyCommunityData(data) + return True + +def getUserClickData(user:str): + if plotData.find({'user':user}).limit(1).count()<1: + clickData=PlotSchema.createPlotDataDocument(user) + else: + clickData=plotData.find_one({'user':user},{'_id':0}) + return clickData + +def getCommunityClickData(): + communityData = plotData.find_one({'community':True}) + del communityData['_id'] + del communityData['community'] + return json.loads(json_util.dumps(communityData)) + +def getUserColors(user:str): + if colorData.find({'user':user}).limit(1).count()<1: + return ColorSchema.createUserColorProfile(user) + else: + colorProfile = colorData.find_one({'user':user},{'_id':0}) + return colorProfile + +def changeUserColor(user:str,changeData:UserColorChange): + try: + ColorSchema.updateUserColorProfile(user,changeData) + return {'Message':'Color change successful'} + except: + return {'something happened':'color change failed'} + +def getColorList(): + currentCategory='black' + colors={'black':{},'gray':{},'blue':{},'green':{}, + 'yellow':{},'brown':{},'orange':{},'red':{}, + 'pink':{},'purple':{},'white':{}} + with open(os.path.join(os.path.dirname(__file__),"ColorCombinations.csv")) as colorList: + for color in colorList: + readCSV=color.split(',') + if readCSV[0]=="Category": + currentCategory=readCSV[1].strip() + else: + colors[currentCategory][readCSV[0]]=readCSV[1].strip() + return colors + +def getPopularColors(): + return ColorSchema.getPopularColors() + +def getCommunityColors(emotionVar:str): + return ColorSchema.getColorAggregates(emotionVar) \ No newline at end of file diff --git a/backend/modules/UserAggregationUtilities.py b/backend/modules/UserAggregationUtilities.py new file mode 100644 index 0000000..31e0b55 --- /dev/null +++ b/backend/modules/UserAggregationUtilities.py @@ -0,0 +1,13 @@ +from db import userData + +def updateUserCountOnActivation(): + try: + userData.update_one({'isUserCount':True}, {'$inc':{'count':1} }) + except: + userData.insert_one({'isUserCount':True,'count':1}) + +def getNumberOfUsers(): + try: + return userData.find_one({'isUserCount':True})['count'] + except: + return False \ No newline at end of file diff --git a/backend/modules/__init__.py b/backend/modules/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/moodbase.egg-info/PKG-INFO b/backend/moodbase.egg-info/PKG-INFO similarity index 100% rename from moodbase.egg-info/PKG-INFO rename to backend/moodbase.egg-info/PKG-INFO diff --git a/backend/moodbase.egg-info/SOURCES.txt b/backend/moodbase.egg-info/SOURCES.txt new file mode 100644 index 0000000..d4bf60e --- /dev/null +++ b/backend/moodbase.egg-info/SOURCES.txt @@ -0,0 +1,26 @@ +setup.py +models/__init__.py +models/groupModel.py +models/plotModel.py +models/userModel.py +models/weightModel.py +modules/AuthenticationModule.py +modules/EmailModule.py +modules/PlotDataModule.py +modules/UserAggregationUtilities.py +modules/__init__.py +moodbase.egg-info/PKG-INFO +moodbase.egg-info/SOURCES.txt +moodbase.egg-info/dependency_links.txt +moodbase.egg-info/top_level.txt +routes/__init__.py +routes/allot.py +routes/auth.py +routes/groups.py +routes/plot.py +schemas/ColorSchema.py +schemas/GroupSchema.py +schemas/PlotSchema.py +schemas/WeightSchema.py +schemas/__init__.py +schemas/userSchema.py \ No newline at end of file diff --git a/backend/moodbase.egg-info/dependency_links.txt b/backend/moodbase.egg-info/dependency_links.txt new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/backend/moodbase.egg-info/dependency_links.txt @@ -0,0 +1 @@ + diff --git a/moodbase.egg-info/top_level.txt b/backend/moodbase.egg-info/top_level.txt similarity index 73% rename from moodbase.egg-info/top_level.txt rename to backend/moodbase.egg-info/top_level.txt index cb5e591..49e5da2 100644 --- a/moodbase.egg-info/top_level.txt +++ b/backend/moodbase.egg-info/top_level.txt @@ -1,3 +1,4 @@ models +modules routes schemas diff --git a/backend/requirements.txt b/backend/requirements.txt new file mode 100644 index 0000000..cc35711 --- /dev/null +++ b/backend/requirements.txt @@ -0,0 +1,64 @@ +aiohttp==3.7.4.post0 +aioredis==2.0.0 +aiosmtplib==1.1.6 +anyio==3.3.0 +argon2-cffi==20.1.0 +asgiref==3.4.1 +astroid==2.6.6 +async-timeout==3.0.1 +attrs==21.2.0 +bcrypt==3.2.0 +blinker==1.4 +certifi==2021.5.30 +cffi==1.14.6 +chardet==4.0.0 +charset-normalizer==2.0.4 +click==8.0.1 +colorama==0.4.4 +cryptography==3.4.7 +dnspython==2.1.0 +ecdsa==0.17.0 +email-validator==1.1.3 +fakeredis==1.6.0 +fastapi==0.68.0 +fastapi-mail==0.4.1 +fastapi-security==0.4.0 +Flask==2.0.1 +h11==0.12.0 +httpcore==0.13.6 +httpx==0.19.0 +idna==3.2 +isort==5.9.3 +itsdangerous==2.0.1 +Jinja2==3.0.1 +jose==1.0.0 +lazy-object-proxy==1.6.0 +MarkupSafe==2.0.1 +mccabe==0.6.1 +mongoengine==0.23.1 +-e git+https://github.com/dan8b/moodbase.git@9d958e6052b7fff1ad917d7e0b953d11b81182e4#egg=moodbase +multidict==5.1.0 +passlib==1.7.4 +pyasn1==0.4.8 +pycparser==2.20 +pydantic==1.8.2 +PyJWT==2.1.0 +pylint==2.9.6 +pymongo==3.12.0 +python-decouple==3.4 +python-dotenv==0.19.0 +python-jose==3.3.0 +python-multipart==0.0.5 +redis==3.5.3 +rfc3986==1.5.0 +rsa==4.7.2 +six==1.16.0 +sniffio==1.2.0 +sortedcontainers==2.4.0 +starlette==0.14.2 +toml==0.10.2 +typing-extensions==3.10.0.0 +uvicorn==0.15.0 +Werkzeug==2.0.1 +wrapt==1.12.1 +yarl==1.6.3 diff --git a/backend/routes/__init__.py b/backend/routes/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/routes/allot.py b/backend/routes/allot.py new file mode 100644 index 0000000..4d46208 --- /dev/null +++ b/backend/routes/allot.py @@ -0,0 +1,27 @@ +from fastapi import APIRouter, Depends +from models.weightModel import WeightData +import schemas.WeightSchema as weight +from modules.AuthenticationModule import gate + +weightRoute=APIRouter( + prefix="/api/allot", + tags=['WeightData'], +) + +@weightRoute.post('/updateweightdata') +def updateWeightData(data:WeightData,user:str=Depends(gate)): + weight.updateWeightData(user=user,newData=data) + return True + +@weightRoute.get('/retrieveweightdata') +def retrieveWeightData(user:str=Depends(gate)): + return weight.lookForDailyRadius(user) + +@weightRoute.post('/createnewbutton/{name}') +def createNewWeight(name:str,user:str=Depends(gate)): + weight.createNewButton(name,user) + return True + +@weightRoute.post('/deletebutt/{name}') +def wipeButt(name:str,user:str=Depends(gate)): + return weight.wipeButt(name,user) \ No newline at end of file diff --git a/backend/routes/auth.py b/backend/routes/auth.py new file mode 100644 index 0000000..5e0e093 --- /dev/null +++ b/backend/routes/auth.py @@ -0,0 +1,66 @@ +from itertools import filterfalse +from typing import Optional +from fastapi import APIRouter, Depends, HTTPException, status, BackgroundTasks, Request, Header, Security +from fastapi.responses import JSONResponse +from models.userModel import User,ActivationModel,ResetModel,TestModel +import modules.AuthenticationModule as auth +import modules.EmailModule as email +from schemas.userSchema import parseUser + + +authRoute=APIRouter( + prefix="/api/auth", + tags=['UserAuthentication'], +) + +@authRoute.post('/register') +async def registerUser(newUser: User,background_tasks:BackgroundTasks): + emailToSend=auth.addUserToDatabase(newUser) + background_tasks.add_task(email.sendEmailBackground,emailToSend) + return + +@authRoute.post('/login') +def loginUser( user: User ): + checkedUser = auth.verifyUserAtLogin({'username': user.username, 'password': user.password}) + if checkedUser==False: + raise HTTPException( + status_code=status.HTTP_401_UNAUTHORIZED, + detail="Incorrect username or password", + headers={"WWW-Authenticate": "Bearer"}, + ) + access_token=auth.createAccessToken(user.username,0,0,3) + refresh_token=auth.createAccessToken(user.username,0,8,1) + return {"access_token":access_token,'token_type':'bearer','refresh_token':refresh_token} + +@authRoute.get('/refresh') +async def sendNewToken(refresh=Header(None), check_token=Header(None)): + try: + auth.getUserFromToken(check_token) + return {'access_token':check_token,'token_type':'bearer'} + except: + try: + return auth.attemptRefresh(refresh) + except: + raise HTTPException(status_code=401,detail='invalid token') + +@authRoute.post('/logout') +def logout(refresh:str = Header(None),user: str = Depends(auth.gate)): + auth.banKeyTTL(refresh) + return {"delete":True} + +@authRoute.post('/activate') +def activate(tokenDict:ActivationModel): + newToken = auth.activateUser(tokenDict) + return {"access_token":newToken, "token_type":"bearer"} + +@authRoute.post('/forgot') +async def sendResetEmail(emailObj:ResetModel,background_tasks:BackgroundTasks): + emailToSend=auth.sendResetEmail(emailObj) + background_tasks.add_task(email.sendEmailBackground,emailToSend) + return {'message':f"reset email sent"} + +@authRoute.post('/reset') +def reset(newPassword:ResetModel): + auth.resetPassword(newPassword) + return {'message':'password reset successful'} + diff --git a/backend/routes/groups.py b/backend/routes/groups.py new file mode 100644 index 0000000..872d8f8 --- /dev/null +++ b/backend/routes/groups.py @@ -0,0 +1,22 @@ +from fastapi import APIRouter, Depends +from models.groupModel import GroupData +from schemas import GroupSchema +from modules.AuthenticationModule import gate, getUserFromToken + +groupRoute=APIRouter( + prefix="/api/groups", + tags=['GroupData'], +) + +# @groupRoute.post('/creategroup') +# def createNewGroup(newGroup: GroupData, user:str=Depends(gate)): +# GroupSchema.createGroup(newGroup,getUserFromToken(user)) +# return + +@groupRoute.post('/checkgroupname/{name}') +def validateName(name:str, user:str=Depends(gate)): + return GroupSchema.validateGroupName(name,user) + +@groupRoute.post('/checkmembernames') +def validateMemberNames(names:list,user:str=Depends(gate)): + return \ No newline at end of file diff --git a/backend/routes/plot.py b/backend/routes/plot.py new file mode 100644 index 0000000..e5b63c8 --- /dev/null +++ b/backend/routes/plot.py @@ -0,0 +1,43 @@ +# from routes.auth import gate +from fastapi import APIRouter, Depends +from models.plotModel import PlotDataSubmission,UserPlotData,UserColorChange +from modules.AuthenticationModule import gate +import modules.PlotDataModule as plot +from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer + +plotRoute=APIRouter( + prefix="/api/plot", + tags=['PlotData'], +) + +@plotRoute.post('/getplotclick') +def getPlotClick(clickData:PlotDataSubmission, user:str=Depends(gate)): + return plot.filePlotClick(user,clickData) + +@plotRoute.post('/usercolorchoice') +def getInitialColors(user:str=Depends(gate)): + return plot.getUserColors(user) + +@plotRoute.post('/changecolors') +def changeColor(colorChange:UserColorChange,user:str = Depends(gate)): + return plot.changeUserColor(user,colorChange) + +@plotRoute.get('/userclickdata') +def getUserClickData(user:str = Depends(gate)): + return plot.getUserClickData(user) + +@plotRoute.get('/communityclickdata') +def getCommunityClickData(): + return plot.getCommunityClickData() + +@plotRoute.get('/listofcolors') +def sendColorList(): + return plot.getColorList() + +@plotRoute.get('/popularcolors') +def getPopularColors(): + return plot.getPopularColors() + +@plotRoute.get('/communitycolors/{variable}') +def getCommunityColors(variable:str): + return plot.getCommunityColors(variable) diff --git a/backend/schemas/ColorSchema.py b/backend/schemas/ColorSchema.py new file mode 100644 index 0000000..3bfd83a --- /dev/null +++ b/backend/schemas/ColorSchema.py @@ -0,0 +1,47 @@ +from db import colorData +from models.plotModel import UserColorChange + +def createUserColorProfile(user:str): + newColorProfile = {'user':user, + 'happiness':{'family':"green",'hex':"#FBF6D9"}, + 'sadness':{'family':"purple",'hex':'#2B1B17'}, + 'calm':{'family':"blue",'hex':'#CFECEC'}, + 'anxiety':{'family':"orange",'hex':'#C35817'}, + } + colorData.insert_one(newColorProfile) + del newColorProfile['_id'] + return newColorProfile + +def updateUserColorProfile(user:str,newColor:UserColorChange): + colorData.update_one({'user':user},[{'$set':{newColor.variable:newColor.colorChange}}]) + return True + +def getColorAggregates(*args): + colorAggData={} + for variable in ['family','hex']: + if args: + colorAggData.setdefault(variable,list(colorData.aggregate(createPopularityPipeline(args[0],variable)))) + else: + for emotion in ['happiness','sadness','calm','anxiety']: + colorAggData.setdefault(emotion,{}).setdefault(variable,list(colorData.aggregate(createPopularityPipeline(emotion,variable)))) + return colorAggData + +def createPopularityPipeline(emotion:str,variable:str): + pipeline=[ + { + '$sortByCount':'$'+emotion+"."+variable + }, + { + '$project':{'_id':0,'value':'$_id','count':1} + }, + ] + return pipeline + +def getPopularColors(): + popularDict={'happiness':{},'sadness':{},'calm':{},'anxiety':{}} + for emotion, value in getColorAggregates().items(): + popularDict[emotion]['mostPopularFamily']=value['family'][0]['value'] + popularDict[emotion]['popularityCount']=value['family'][0]['count'] + if value['hex'][0]['count']>2: + popularDict[emotion]['mostPopularHex']=value['hex'][0] + return popularDict \ No newline at end of file diff --git a/backend/schemas/GroupSchema.py b/backend/schemas/GroupSchema.py new file mode 100644 index 0000000..4fac16d --- /dev/null +++ b/backend/schemas/GroupSchema.py @@ -0,0 +1,66 @@ +from db import groupData, userData +from models.groupModel import GroupData +from modules.AuthenticationModule import sendGroupInvitations +from schemas import ColorSchema, WeightSchema, PlotSchema + +def validateGroupData(func: str, data: dict): + return validationDispatch[func](data) + +def validateGroupName(user:str,groupName:str): + if groupData.find({'name':groupName,'owner':user}).limit(1).count()>0: + return {"error":"You already own a group with this name"} + return {"success": "Group name valid"} + +def validateMembers(listOfNames:list): + response = {'unregistered':[],'registered':[]} + for name in listOfNames: + checkUser = userData.find_one({'email':name}) + if not checkUser: + response['unregistered'].append(checkUser) + else: + response['registered'].append(checkUser) + return response + +validationDispatch = { + 'validateGroupName':validateGroupName, + 'validateMember':validateMembers, +} + +def createGroup(data:GroupData,adminUser:str): + groupName=data.name + if groupData.find({'name':groupName}).limit(1).count()>0: + return False + groupData.insert_one({ + 'name':groupName, + 'members':data.memberDict, + 'owner':adminUser, + 'groupWeights':data.weightButtons, + 'timeInterval':data.timeInterval, + 'timestamps':[], + }) + # create entries in color, weight and plot dbs for the group + WeightSchema.createWeightData(groupName) + ColorSchema.createUserColorProfile(groupName) + PlotSchema.createUserPlotDataDocument(groupName) + # true if user is admin false otherwise + for user in data.memberDict.keys(): + userData.update_one({'username':user}, + {'$set':{'groupMemberships.'+data.name:False}}) + userData.update_one({'username':data.adminUser}, + {'$set':{'groupMemberships.'+data.name:True}}) + sendGroupInvitations(data.name,data.memberDict) + return True + +def addMemberToGroup(newUserEmail:str,groupName:str): + newMember=userData.find_one({'email':newUserEmail})['username'] + groupData.update_one( + {'name':groupName}, + {'$set': {'members.'+newMember:False}} + ) + return True + + + + + + \ No newline at end of file diff --git a/backend/schemas/PlotSchema.py b/backend/schemas/PlotSchema.py new file mode 100644 index 0000000..4d54bb2 --- /dev/null +++ b/backend/schemas/PlotSchema.py @@ -0,0 +1,126 @@ +from db import plotData +from datetime import date, timedelta +from models.plotModel import PlotDataSubmission +from modules.HelperFunctions import returnDay, getYesterday +# from bson import Decimal128 + + +def createPlotDataDocument(user: str, newData: PlotDataSubmission): + plotData.insert_one( + { + 'user': user, + 'day': returnDay() + } + ) + return True + +def updateUserPlotDataDocument(user: str, newData: PlotDataSubmission): + plotData.update_one( + { + 'user': user, + 'day': returnDay() + }, + { + '$set': + { + newData.timerange: createDataDict(newData), + }, + }, + upsert = True + ) + return True + + +def createDataDict(data: PlotDataSubmission): + return { + 'happiness': data.happiness, + 'calm': data.calm, + 'mapX': data.mapX, + 'mapY': data.mapY + } + + +def updateMean(n: int, old: float, new: float, modifier: int): + return ((float(str(old))*n)+float(str(new)))/(n+modifier) + + +def updateDailyCommunityData(newData: PlotDataSubmission): + if plotData.find({'user': "!community", 'day': returnDay()}).limit(1).count() < 1: + plotData.insert_one( + { + 'user': "!community", + 'day': returnDay(), + newData.timerange: createDataDict(newData), + 'clickCount': 1 + } + ) + setNewMeansAllTime() + return True + currentCommunityValues = plotData.find_one( + {'user': "!community", 'day':returnDay()}) + if newData.timerange in currentCommunityValues: + plotData.update_one( + { + 'user': "!community", + 'day': returnDay() + }, + { + '$set': + { + newData.timerange: setNewMeansDaily( + currentCommunityValues, newData) + }, + '$inc': + { + 'clickCount': 1 + } + }, + upsert=True + ) + else: + updateUserPlotDataDocument("!community", newData) + return + +def setNewMeansAllTime(): + if plotData.find({'user': "!community", 'day':getYesterday(returnDay())}).limit(1).count()<1: + return + yesterdaysNews = plotData.find_one( + {'user': "!community", 'day':getYesterday(returnDay())}) + allTime = plotData.find_one({'user': '!communityAllTime'}) + timeRangeLoop = ['morning', 'midday', 'evening'] + variableKeyLoop = ['happiness', 'calm', 'mapX', 'mapY'] + for t in timeRangeLoop: + newAllTimeValues = {} + for k in variableKeyLoop: + if k in allTime and k in yesterdaysNews: + newAllTimeValues[k] = updateMean(allTime['clickCount'], + allTime[t][k], yesterdaysNews[t][k], yesterdaysNews['clickCount']) + plotData.update_one( + { + 'user': '!communityAllTime' + }, + {'$set': + { + t: newAllTimeValues + } + }, + {'$inc': + { + 'clickCount': yesterdaysNews['clickCount'] + } + } + ) + return + +def setNewMeansDaily(oldMeans: dict, newData: dict): + d = newData.dict() + ct = oldMeans['clickCount'] + vals = oldMeans[newData.timerange] + updated = {} + fields = ['happiness', 'calm', 'mapX', 'mapY'] + for f in fields: + updated[f] = updateMean(ct, vals[f], d[f], 1) + return updated + +def getAllUserData(user: str): + return plotData.find({'user': user},{'_id': 0, 'user': 0}) \ No newline at end of file diff --git a/backend/schemas/WeightSchema.py b/backend/schemas/WeightSchema.py new file mode 100644 index 0000000..8d3ca81 --- /dev/null +++ b/backend/schemas/WeightSchema.py @@ -0,0 +1,110 @@ +from db import weightData, weightPopularityData +from models.weightModel import WeightData, WeightLookupObject +from modules.HelperFunctions import returnDay + + +def createWeightConfigDocument(user: str): + defaultWeightConfig = { + 'user': user, + 'config': True, + 'family': {'dateAdded': returnDay(), 'valueToDate': 0}, + 'health': {'dateAdded': returnDay(), 'valueToDate': 0}, + 'work': {'dateAdded': returnDay(), 'valueToDate': 0}, + 'school': {'dateAdded': returnDay(), 'valueToDate': 0}, + 'relationships': {'dateAdded': returnDay(), 'valueToDate': 0}, + 'spirituality,faith': {'dateAdded': returnDay(), 'valueToDate': 0} + } + weightData.insert_one(defaultWeightConfig) + for key in defaultWeightConfig.keys(): + if key != 'user': + updateWeightPopularity(key) + return True + +# increment the count of users with a given weight button by 1 when assigning user default weight buttons + +# looks for a set of weight configs and up-to-date data for user +# params: user (string) - a username to query by +# returns: serialized JSON (dict) containing database entry corresponding to user weight data for that time - config and current +def lookForDailyRadius(user: str): + if weightData.find({'user': user, 'config': True}).limit(1).count() < 1: + createWeightConfigDocument(user) + if weightData.find({'user':user, 'day':returnDay()}).limit(1).count() < 1: + return createDailyRadius(user) + else: + return weightData.find_one({'user':user, 'day':returnDay()}, {'_id':0, 'user':0, 'day':0} ) + +# create placeholder mood weight data +# params: user (string) - user for whom to create data entry +# returns: serialized JSON (dict) with database entry - current only +def createDailyRadius(user: str): + userConfig = weightData.find_one({'user': user, 'config':True}, {'_id':0, 'user':0, 'config': 0}) + dailyVertices = {} + for configVariable in userConfig.keys(): + dailyVertices[configVariable] = 0 + dailyVertices['user'] = user + dailyVertices['day'] = returnDay() + weightData.insert_one(dailyVertices) + return dailyVertices + +def updateWeightPopularity(name: str): + weightPopularityData.update_one( + {'name': name}, + { + '$inc': + { + 'value': 1 + } + }, + upsert=True + ) + return True + + +def updateWeightData(user: str, newData: WeightData): + weightData.update_one( + {'user': user}, + { + '$inc': + {newData.name+'.'+newData.timerange: newData.delta}, + }, + upsert=True + ) + return True + + +def createNewButton(name: str, user: str): + weightData.update_one({'user': f"{user}!weightconfig"}, + { + '$set': + { + name: 0 + } + }, + ), + updateWeightPopularity(name) + return True + + +def wipeButt(name: str, user: str): + weightData.update_one( + {'user': f"{user}!weightconfig"}, + {'$unset': {name: ""}} + ) + weightPopularityData.update_one( + {'name': name}, + { + '$inc': + { + 'value': -1 + } + } + ) + return True + + +def getPopularWeights(): + return weightPopularityData.aggregate( + [ + {'$sort': {'name': 1}} + ] + ) diff --git a/backend/schemas/__init__.py b/backend/schemas/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/backend/schemas/userSchema.py b/backend/schemas/userSchema.py new file mode 100644 index 0000000..96c361a --- /dev/null +++ b/backend/schemas/userSchema.py @@ -0,0 +1,11 @@ +from collections import UserDict +from models.userModel import User + +def parseUser(user) -> dict: + return{ + "id":str(user['_id']), + "username":user['username'], + "email":user['email'], + "password":user['password'], + "active":user['active'] + } diff --git a/setup.py b/backend/setup.py similarity index 100% rename from setup.py rename to backend/setup.py diff --git a/backend/templates/ActivationEmail.html b/backend/templates/ActivationEmail.html new file mode 100644 index 0000000..e694cb5 --- /dev/null +++ b/backend/templates/ActivationEmail.html @@ -0,0 +1,14 @@ + + + + + + Document + + +
    + Click here to activate your account +
    + + + diff --git a/backend/templates/GroupInvite.html b/backend/templates/GroupInvite.html new file mode 100644 index 0000000..1d791df --- /dev/null +++ b/backend/templates/GroupInvite.html @@ -0,0 +1,15 @@ + + + + + + Document + + +
    + You've been invited to the group {{ groupName }}. + Use this link to join! +
    + + + diff --git a/backend/templates/ResetEmail.html b/backend/templates/ResetEmail.html new file mode 100644 index 0000000..bba93b3 --- /dev/null +++ b/backend/templates/ResetEmail.html @@ -0,0 +1,14 @@ + + + + + + Document + + +
    + Click here to reset your password +
    + + + diff --git a/db.py b/db.py deleted file mode 100644 index 0e85dc2..0000000 --- a/db.py +++ /dev/null @@ -1,4 +0,0 @@ -from pymongo import MongoClient -conn = MongoClient("mongodb+srv://dan:HijikataToshiro189@moodbase1.llz9v.mongodb.net/moodbase1?retryWrites=true&w=majority") -db=conn['UserData'] -userData=db['Users'] \ No newline at end of file diff --git a/frontend/.editorconfig b/frontend/.editorconfig new file mode 100644 index 0000000..7649038 --- /dev/null +++ b/frontend/.editorconfig @@ -0,0 +1,4 @@ +[*.{js,jsx,ts,tsx,vue}] + +trim_trailing_whitespace = true +insert_final_newline = true diff --git a/frontend/.eslintrc.js b/frontend/.eslintrc.js index 3391da1..fef64b8 100644 --- a/frontend/.eslintrc.js +++ b/frontend/.eslintrc.js @@ -1,17 +1,31 @@ module.exports = { root: true, + env: { node: true }, - 'extends': [ - 'plugin:vue/vue3-essential', - 'eslint:recommended' + + extends: [ + 'plugin:vue/vue3-recommended', + 'eslint:essential', ], + parserOptions: { parser: 'babel-eslint' }, + rules: { 'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off', - 'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off' - } + 'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off', + }, + + extends: [ + 'plugin:vue/vue3-essential', + 'eslint:recommended', + ], + + 'extends': [ + 'plugin:vue/vue3-essential', + 'eslint:recommended', + ] } diff --git a/frontend/package-lock.json b/frontend/package-lock.json index 6dc4a2f..bf5e85b 100644 --- a/frontend/package-lock.json +++ b/frontend/package-lock.json @@ -5,34 +5,35 @@ "requires": true, "dependencies": { "@babel/code-frame": { - "version": "7.14.5", - "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.14.5.tgz", - "integrity": "sha512-9pzDqyc6OLDaqe+zbACgFkb6fKMNG6CObKpnYXChRsvYGyEdc7CA2BaqeOM+vOtCS5ndmJicPJhKAwYRI6UfFw==", + "version": "7.16.0", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.16.0.tgz", + "integrity": "sha512-IF4EOMEV+bfYwOmNxGzSnjR2EmQod7f1UXOpZM3l4i4o4QNwzjtJAu/HxdjHq0aYBvdqMuQEY1eg0nqW9ZPORA==", + "dev": true, "requires": { - "@babel/highlight": "^7.14.5" + "@babel/highlight": "^7.16.0" } }, "@babel/compat-data": { - "version": "7.14.5", - 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tailwindcss: {}, - autoprefixer: {}, - }, + autoprefixer: {} + } } diff --git a/frontend/src/App.vue b/frontend/src/App.vue index 4a2626e..8020fed 100644 --- a/frontend/src/App.vue +++ b/frontend/src/App.vue @@ -1,64 +1,80 @@ - diff --git a/frontend/src/assets/logo.png b/frontend/src/assets/logo.png deleted file mode 100644 index f3d2503..0000000 Binary files a/frontend/src/assets/logo.png and /dev/null differ diff --git a/frontend/src/components/Auth/Activate.vue b/frontend/src/components/Auth/Activate.vue new file mode 100644 index 0000000..3b5ed69 --- /dev/null +++ b/frontend/src/components/Auth/Activate.vue @@ -0,0 +1,29 @@ + + + + + diff --git a/frontend/src/components/Auth/ForgotPasswordEmail.vue b/frontend/src/components/Auth/ForgotPasswordEmail.vue new file mode 100644 index 0000000..321b3b9 --- /dev/null +++ b/frontend/src/components/Auth/ForgotPasswordEmail.vue @@ -0,0 +1,43 @@ + + + + + diff --git a/frontend/src/components/Auth/Login.vue b/frontend/src/components/Auth/Login.vue new file mode 100644 index 0000000..149164c --- /dev/null +++ b/frontend/src/components/Auth/Login.vue @@ -0,0 +1,66 @@ + + + + + diff --git a/frontend/src/components/Auth/Register.vue b/frontend/src/components/Auth/Register.vue new file mode 100644 index 0000000..ef5461a --- /dev/null +++ b/frontend/src/components/Auth/Register.vue @@ -0,0 +1,105 @@ + + + + + diff --git a/frontend/src/components/Auth/ResetPasswordForm.vue b/frontend/src/components/Auth/ResetPasswordForm.vue new file mode 100644 index 0000000..2a7ac4a --- /dev/null +++ b/frontend/src/components/Auth/ResetPasswordForm.vue @@ -0,0 +1,48 @@ + + + + + diff --git a/frontend/src/components/CalmLineChart.vue b/frontend/src/components/CalmLineChart.vue deleted file mode 100644 index 2c9cef7..0000000 --- a/frontend/src/components/CalmLineChart.vue +++ /dev/null @@ -1,85 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/Checkbox.vue b/frontend/src/components/Checkbox.vue deleted file mode 100644 index 6a1f084..0000000 --- a/frontend/src/components/Checkbox.vue +++ /dev/null @@ -1,32 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/Checkboxes.vue b/frontend/src/components/Checkboxes.vue deleted file mode 100644 index 37d908e..0000000 --- a/frontend/src/components/Checkboxes.vue +++ /dev/null @@ -1,22 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/ClickMap.vue b/frontend/src/components/ClickMap.vue deleted file mode 100644 index 3449847..0000000 --- a/frontend/src/components/ClickMap.vue +++ /dev/null @@ -1,78 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/ColorPanelButton.vue b/frontend/src/components/ColorPanelButton.vue deleted file mode 100644 index d8beabe..0000000 --- a/frontend/src/components/ColorPanelButton.vue +++ /dev/null @@ -1,46 +0,0 @@ - - - - \ No newline at end of file diff --git a/frontend/src/components/ColorSelectionPanel.vue b/frontend/src/components/ColorSelectionPanel.vue deleted file mode 100644 index 50d6f7f..0000000 --- a/frontend/src/components/ColorSelectionPanel.vue +++ /dev/null @@ -1,92 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/DashboardComponent.vue b/frontend/src/components/DashboardComponent.vue deleted file mode 100644 index ddb0994..0000000 --- a/frontend/src/components/DashboardComponent.vue +++ /dev/null @@ -1,30 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/DataVisualizationComponents/BarChart.vue b/frontend/src/components/DataVisualizationComponents/BarChart.vue new file mode 100644 index 0000000..3f344d8 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/BarChart.vue @@ -0,0 +1,13 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/ClassificationText.vue b/frontend/src/components/DataVisualizationComponents/ClassificationText.vue new file mode 100644 index 0000000..2dc8e74 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/ClassificationText.vue @@ -0,0 +1,81 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/ClickMap.vue b/frontend/src/components/DataVisualizationComponents/ClickMap.vue new file mode 100644 index 0000000..2b4eab4 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/ClickMap.vue @@ -0,0 +1,72 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/ColorPopularityDetails.vue b/frontend/src/components/DataVisualizationComponents/ColorPopularityDetails.vue new file mode 100644 index 0000000..65aec48 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/ColorPopularityDetails.vue @@ -0,0 +1,37 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/CommunityDataOverview.vue b/frontend/src/components/DataVisualizationComponents/CommunityDataOverview.vue new file mode 100644 index 0000000..98792b8 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/CommunityDataOverview.vue @@ -0,0 +1,18 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/CommunityLineChart.vue b/frontend/src/components/DataVisualizationComponents/CommunityLineChart.vue new file mode 100644 index 0000000..2a1e1bf --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/CommunityLineChart.vue @@ -0,0 +1,29 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/GradientBox.vue b/frontend/src/components/DataVisualizationComponents/GradientBox.vue new file mode 100644 index 0000000..bb93fb8 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/GradientBox.vue @@ -0,0 +1,28 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/PopularColors.vue b/frontend/src/components/DataVisualizationComponents/PopularColors.vue new file mode 100644 index 0000000..f130ebf --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/PopularColors.vue @@ -0,0 +1,46 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/UserDataOverview.vue b/frontend/src/components/DataVisualizationComponents/UserDataOverview.vue new file mode 100644 index 0000000..d56aefd --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/UserDataOverview.vue @@ -0,0 +1,22 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/UserScatterPlot.vue b/frontend/src/components/DataVisualizationComponents/UserScatterPlot.vue new file mode 100644 index 0000000..a645899 --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/UserScatterPlot.vue @@ -0,0 +1,144 @@ + + + + + diff --git a/frontend/src/components/DataVisualizationComponents/VisualizationDashboard.vue b/frontend/src/components/DataVisualizationComponents/VisualizationDashboard.vue new file mode 100644 index 0000000..e2aa4cc --- /dev/null +++ b/frontend/src/components/DataVisualizationComponents/VisualizationDashboard.vue @@ -0,0 +1,82 @@ + + + + + diff --git a/frontend/src/components/Dropdown.vue b/frontend/src/components/Dropdown.vue deleted file mode 100644 index 7d031ec..0000000 --- a/frontend/src/components/Dropdown.vue +++ /dev/null @@ -1,176 +0,0 @@ - - - - - - \ No newline at end of file diff --git a/frontend/src/components/ForgotPasswordEmail.vue b/frontend/src/components/ForgotPasswordEmail.vue deleted file mode 100644 index 54f18bc..0000000 --- a/frontend/src/components/ForgotPasswordEmail.vue +++ /dev/null @@ -1,43 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/CommunityDataDisplay.vue b/frontend/src/components/GroupComponents/ConfirmCreationData.vue similarity index 100% rename from frontend/src/components/CommunityDataDisplay.vue rename to frontend/src/components/GroupComponents/ConfirmCreationData.vue diff --git a/frontend/src/components/GroupComponents/CreateGroupForm.vue b/frontend/src/components/GroupComponents/CreateGroupForm.vue new file mode 100644 index 0000000..79b14dd --- /dev/null +++ b/frontend/src/components/GroupComponents/CreateGroupForm.vue @@ -0,0 +1,80 @@ + + + + + diff --git a/frontend/src/components/GroupComponents/SetGroupColors.vue b/frontend/src/components/GroupComponents/SetGroupColors.vue new file mode 100644 index 0000000..c6890bd --- /dev/null +++ b/frontend/src/components/GroupComponents/SetGroupColors.vue @@ -0,0 +1,60 @@ + + + + + diff --git a/frontend/src/components/GroupComponents/SetGroupMembers.vue b/frontend/src/components/GroupComponents/SetGroupMembers.vue new file mode 100644 index 0000000..3a7902e --- /dev/null +++ b/frontend/src/components/GroupComponents/SetGroupMembers.vue @@ -0,0 +1,55 @@ + + + + + diff --git a/frontend/src/components/GroupComponents/SetGroupName.vue b/frontend/src/components/GroupComponents/SetGroupName.vue new file mode 100644 index 0000000..6c971a3 --- /dev/null +++ b/frontend/src/components/GroupComponents/SetGroupName.vue @@ -0,0 +1,72 @@ + + + + + diff --git a/frontend/src/components/GroupComponents/SetWeights.vue b/frontend/src/components/GroupComponents/SetWeights.vue new file mode 100644 index 0000000..85329de --- /dev/null +++ b/frontend/src/components/GroupComponents/SetWeights.vue @@ -0,0 +1,61 @@ + + + + + diff --git a/frontend/src/components/HappinessLineChart.vue b/frontend/src/components/HappinessLineChart.vue deleted file mode 100644 index abbdd58..0000000 --- a/frontend/src/components/HappinessLineChart.vue +++ /dev/null @@ -1,84 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/LineChart.vue b/frontend/src/components/LineChart.vue deleted file mode 100644 index 0846161..0000000 --- a/frontend/src/components/LineChart.vue +++ /dev/null @@ -1,20 +0,0 @@ - diff --git a/frontend/src/components/Login.vue b/frontend/src/components/Login.vue deleted file mode 100644 index eef8672..0000000 --- a/frontend/src/components/Login.vue +++ /dev/null @@ -1,78 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/MoodCategorizer.vue b/frontend/src/components/MoodCategorizer.vue deleted file mode 100644 index ccfcbf9..0000000 --- a/frontend/src/components/MoodCategorizer.vue +++ /dev/null @@ -1,28 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/MoodLineChart.vue b/frontend/src/components/MoodLineChart.vue deleted file mode 100644 index f74db0e..0000000 --- a/frontend/src/components/MoodLineChart.vue +++ /dev/null @@ -1,92 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/PlotColorPicker.vue b/frontend/src/components/PlotColorPicker.vue deleted file mode 100644 index 58214f1..0000000 --- a/frontend/src/components/PlotColorPicker.vue +++ /dev/null @@ -1,96 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelButton.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelButton.vue new file mode 100644 index 0000000..ee46152 --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelButton.vue @@ -0,0 +1,41 @@ + + + + diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelSubset.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelSubset.vue new file mode 100644 index 0000000..9c04374 --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorPanelSubset.vue @@ -0,0 +1,25 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorSelectionPanel.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorSelectionPanel.vue new file mode 100644 index 0000000..67db3b8 --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorSelectionPanel.vue @@ -0,0 +1,34 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorTextElement.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorTextElement.vue new file mode 100644 index 0000000..26f3d33 --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/ColorTextElement.vue @@ -0,0 +1,128 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/ListOfColors.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/ListOfColors.vue new file mode 100644 index 0000000..2253d5a --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/ListOfColors.vue @@ -0,0 +1,56 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/ColorSelectionComponents/PlotColorPicker.vue b/frontend/src/components/PlotComponents/ColorSelectionComponents/PlotColorPicker.vue new file mode 100644 index 0000000..3778cfe --- /dev/null +++ b/frontend/src/components/PlotComponents/ColorSelectionComponents/PlotColorPicker.vue @@ -0,0 +1,28 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/GridComponents/ColorfulBox2.vue b/frontend/src/components/PlotComponents/GridComponents/ColorfulBox2.vue new file mode 100644 index 0000000..a1f6891 --- /dev/null +++ b/frontend/src/components/PlotComponents/GridComponents/ColorfulBox2.vue @@ -0,0 +1,148 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/GridComponents/IntensityText.vue b/frontend/src/components/PlotComponents/GridComponents/IntensityText.vue new file mode 100644 index 0000000..3f344d8 --- /dev/null +++ b/frontend/src/components/PlotComponents/GridComponents/IntensityText.vue @@ -0,0 +1,13 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/GridComponents/PlotBox.vue b/frontend/src/components/PlotComponents/GridComponents/PlotBox.vue new file mode 100644 index 0000000..2de9c7d --- /dev/null +++ b/frontend/src/components/PlotComponents/GridComponents/PlotBox.vue @@ -0,0 +1,78 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/GridComponents/PlotGrid4.vue b/frontend/src/components/PlotComponents/GridComponents/PlotGrid4.vue new file mode 100644 index 0000000..06a1abe --- /dev/null +++ b/frontend/src/components/PlotComponents/GridComponents/PlotGrid4.vue @@ -0,0 +1,93 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/GridComponents/TextElement.vue b/frontend/src/components/PlotComponents/GridComponents/TextElement.vue new file mode 100644 index 0000000..82798b2 --- /dev/null +++ b/frontend/src/components/PlotComponents/GridComponents/TextElement.vue @@ -0,0 +1,88 @@ + + + + + diff --git a/frontend/src/components/PlotComponents/RecentClickHistory.vue b/frontend/src/components/PlotComponents/RecentClickHistory.vue new file mode 100644 index 0000000..262d90b --- /dev/null +++ b/frontend/src/components/PlotComponents/RecentClickHistory.vue @@ -0,0 +1,67 @@ + + + + + diff --git a/frontend/src/components/PlotGrid.vue b/frontend/src/components/PlotGrid.vue deleted file mode 100644 index aba0724..0000000 --- a/frontend/src/components/PlotGrid.vue +++ /dev/null @@ -1,86 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/Plotbox.vue b/frontend/src/components/Plotbox.vue deleted file mode 100644 index 1d70c08..0000000 --- a/frontend/src/components/Plotbox.vue +++ /dev/null @@ -1,59 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/PublicHome.vue b/frontend/src/components/PublicHome.vue index 053c353..a929091 100644 --- a/frontend/src/components/PublicHome.vue +++ b/frontend/src/components/PublicHome.vue @@ -1,23 +1,36 @@ - \ No newline at end of file +/* body, html { + padding: 0; + margin: 0; + width: 100%; + min-height: 100vh; +} +body { + background-color: rgba(184, 235, 201, 0.959); +} */ + diff --git a/frontend/src/components/RecentClickHistory.vue b/frontend/src/components/RecentClickHistory.vue deleted file mode 100644 index 7f77704..0000000 --- a/frontend/src/components/RecentClickHistory.vue +++ /dev/null @@ -1,68 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/Register.vue b/frontend/src/components/Register.vue deleted file mode 100644 index ba530cf..0000000 --- a/frontend/src/components/Register.vue +++ /dev/null @@ -1,86 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/ResetPasswordForm.vue b/frontend/src/components/ResetPasswordForm.vue deleted file mode 100644 index 8b44453..0000000 --- a/frontend/src/components/ResetPasswordForm.vue +++ /dev/null @@ -1,49 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/UserHome.vue b/frontend/src/components/UserHome.vue index 1f39122..d83b95b 100644 --- a/frontend/src/components/UserHome.vue +++ b/frontend/src/components/UserHome.vue @@ -1,28 +1,28 @@ - \ No newline at end of file + diff --git a/frontend/src/components/VisualizationContainer.vue b/frontend/src/components/VisualizationContainer.vue deleted file mode 100644 index 5e4b4c5..0000000 --- a/frontend/src/components/VisualizationContainer.vue +++ /dev/null @@ -1,50 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/VisualizationDashboard.vue b/frontend/src/components/VisualizationDashboard.vue deleted file mode 100644 index 2fbdd1e..0000000 --- a/frontend/src/components/VisualizationDashboard.vue +++ /dev/null @@ -1,39 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/Weight.vue b/frontend/src/components/Weight.vue deleted file mode 100644 index 246a78c..0000000 --- a/frontend/src/components/Weight.vue +++ /dev/null @@ -1,37 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/components/WeightFunctionalityComponents/LineBetweenDots.vue b/frontend/src/components/WeightFunctionalityComponents/LineBetweenDots.vue new file mode 100644 index 0000000..95a1c10 --- /dev/null +++ b/frontend/src/components/WeightFunctionalityComponents/LineBetweenDots.vue @@ -0,0 +1,39 @@ + + + + + diff --git a/frontend/src/components/WeightFunctionalityComponents/ProgressBox.vue b/frontend/src/components/WeightFunctionalityComponents/ProgressBox.vue new file mode 100644 index 0000000..3f344d8 --- /dev/null +++ b/frontend/src/components/WeightFunctionalityComponents/ProgressBox.vue @@ -0,0 +1,13 @@ + + + + + diff --git a/frontend/src/components/WeightFunctionalityComponents/Weight.vue b/frontend/src/components/WeightFunctionalityComponents/Weight.vue new file mode 100644 index 0000000..43cc9c6 --- /dev/null +++ b/frontend/src/components/WeightFunctionalityComponents/Weight.vue @@ -0,0 +1,34 @@ + + + + + diff --git a/frontend/src/components/WeightFunctionalityComponents/WeightDot.vue b/frontend/src/components/WeightFunctionalityComponents/WeightDot.vue new file mode 100644 index 0000000..8803c64 --- /dev/null +++ b/frontend/src/components/WeightFunctionalityComponents/WeightDot.vue @@ -0,0 +1,42 @@ + + + + + diff --git a/frontend/src/components/WeightFunctionalityComponents/Weights.vue b/frontend/src/components/WeightFunctionalityComponents/Weights.vue new file mode 100644 index 0000000..4f7a10d --- /dev/null +++ b/frontend/src/components/WeightFunctionalityComponents/Weights.vue @@ -0,0 +1,43 @@ + + + + + diff --git a/frontend/src/components/Weights.vue b/frontend/src/components/Weights.vue deleted file mode 100644 index d090d3a..0000000 --- a/frontend/src/components/Weights.vue +++ /dev/null @@ -1,72 +0,0 @@ - - - - - \ No newline at end of file diff --git a/frontend/src/index.css b/frontend/src/index.css deleted file mode 100644 index bd6213e..0000000 --- a/frontend/src/index.css +++ /dev/null @@ -1,3 +0,0 @@ -@tailwind base; -@tailwind components; -@tailwind utilities; \ No newline at end of file diff --git a/frontend/src/main.js b/frontend/src/main.js index 4e634b0..a92f228 100644 --- a/frontend/src/main.js +++ b/frontend/src/main.js @@ -1,9 +1,6 @@ import { createApp } from 'vue' -import 'buefy/dist/buefy.css' import App from './App.vue' import router from './router' import store from './store' -import "@/index.css" - createApp(App).use(store).use(router).mount('#app') diff --git a/frontend/src/router/index.js b/frontend/src/router/index.js index 5779c06..eb41b79 100644 --- a/frontend/src/router/index.js +++ b/frontend/src/router/index.js @@ -1,57 +1,68 @@ import { createRouter, createWebHistory } from 'vue-router' -import LoginPage from "../views/LoginPage.vue"; -import RegPage from "../views/RegPage.vue"; -import UserHomePage from "../views/UserHomePage.vue"; -import PublicHomePage from "../views/PublicHomePage.vue"; +import LoginPage from '../views/LoginPage.vue' +import RegPage from '../views/RegPage.vue' +import UserHomePage from '../views/UserHomePage.vue' +import PublicHomePage from '../views/PublicHomePage.vue' import PlotPage from '../views/PlotPage.vue' import WeightPage from '../views/WeightPage.vue' import ForgotEmailPage from '../views/ForgotEmailPage.vue' import ResetPasswordPage from '../views/ResetPasswordPage.vue' - +import ActivatePage from '../views/ActivatePage.vue' +import GroupPage from '../views/GroupPage.vue' const routes = [ - { - path:'/:token', - name:'PublicHomePage', + path: '/', + name: 'PublicHomePage', props: true, - component:PublicHomePage, + component: PublicHomePage }, { - path: "/login", - name:'LoginPage', - component: LoginPage, + path: '/login', + name: 'LoginPage', + component: LoginPage }, { - path:"/register", - name:'RegPage', + path: '/register', + name: 'RegPage', component: RegPage }, { - path:'/home', - name:'UserHomePage', - component: UserHomePage, + path: '/home', + name: 'UserHomePage', + component: UserHomePage + }, + { + path: '/plot', + name: 'PlotPage', + component: PlotPage }, { - path:'/plot', - name:'PlotPage', - component: PlotPage, + path: '/allot', + name: 'WeightPage', + component: WeightPage }, { - path:'/allot', - name:'WeightPage', - component: WeightPage, + path: '/forgot', + name: 'ForgotEmailPage', + component: ForgotEmailPage }, { - path:'/forgot', - name:'ForgotEmailPage', - component: ForgotEmailPage, + path: '/reset/:token', + props: true, + name: 'ResetPasswordPage', + component: ResetPasswordPage + }, + { + path: '/activate/:token', + props: true, + name: 'ActivatePage', + component: ActivatePage }, { - path:'/reset/:token', - props:true, - name:'ResetPasswordPage', - component: ResetPasswordPage, + path: '/groups', + name: 'GroupPage', + component: GroupPage } ] diff --git a/frontend/src/services/animation.service.js b/frontend/src/services/animation.service.js new file mode 100644 index 0000000..81810fd --- /dev/null +++ b/frontend/src/services/animation.service.js @@ -0,0 +1,56 @@ +import { gsap } from 'gsap' + +class Animator { + shiftX (passRef, quadrant) { + if (quadrant === 'two' || quadrant === 'four') { + gsap.to(passRef, { x: '-200%', duration: 0.5 }) + } else { + gsap.to(passRef, { x: '-100%', duration: 0.5 }) + } + } + + shiftY (passRef, quadrant) { + switch (quadrant) { + case 'one': + gsap.to(passRef, { y: '1000%', duration: 0.5 }) + gsap.to(passRef, { x: '10%', duration: 0.5 }) + break + case 'two': + gsap.to(passRef, { y: '1000%', duration: 0.5 }) + break + default: + gsap.to(passRef, { y: '750%', duration: 0.5 }) + } + } + + revertX (passRef, quadrant) { + if (quadrant === 'two' || quadrant === 'four') { + gsap.to(passRef, { x: '6%', duration: 0.5 }) + } else { + gsap.to(passRef, { x: '3%', duration: 0.5 }) + } + } + + revertY (passRef, quadrant) { + switch (quadrant) { + case 'one': + gsap.to(passRef, { y: '-5%', duration: 0.5 }) + gsap.to(passRef, { x: '-10%', duration: 0.5 }) + break + case 'two': + gsap.to(passRef, { y: '-3.5%', duration: 0.5 }) + break + default: + gsap.to(passRef, { y: '-2%', duration: 0.5 }) + } + } + + moveGridAside (passRef, toTheRight) { + if (toTheRight === true) { + gsap.to(passRef, { x: '20%', duration: 0.5 }) + } else if (toTheRight === false) { + gsap.to(passRef, { x: '-3%', duration: 0.5 }) + } + } +} +export default new Animator() diff --git a/frontend/src/services/auth-header.js b/frontend/src/services/auth-header.js deleted file mode 100644 index d6940a3..0000000 --- a/frontend/src/services/auth-header.js +++ /dev/null @@ -1,10 +0,0 @@ -export default function authHeader() { - let user = JSON.parse(localStorage.getItem('user')); - - if (user && user.accessToken) { - return { Authorization: 'Bearer ' + user.accessToken }; - } else { - return {}; - } - } - \ No newline at end of file diff --git a/frontend/src/services/auth.service.js b/frontend/src/services/auth.service.js index a2792e3..cc9e0ae 100644 --- a/frontend/src/services/auth.service.js +++ b/frontend/src/services/auth.service.js @@ -1,38 +1,36 @@ -const API_URL = 'http://localhost:8000/api/user/'; +// const API_URL = 'http://localhost:8000/api/auth/'; +import FetchFunctions from './fetch.service.js' -class AuthService { - login(user) { - return fetch(API_URL + 'loginuser',{ - method: 'POST', - mode: 'cors', - credentials: 'include', - headers: {'Content-Type': 'application/json'}, - body: JSON.stringify({'username': user.username,'password': user.password}) - }) - } - - logout(user) { - fetch(API_URL + 'logout', { - method: 'POST', - mode: 'cors', - credentials:'include', - headers: {'Content-Type': 'application/json'}, - body: JSON.stringify({'user':user.id}) - }) - - localStorage.removeItem('user'); - } - - register(user) { - return fetch(API_URL + 'registeruser', { - method: 'POST', - mode: 'cors', - credentials:'include', - headers: {'Content-Type': 'application/json'}, - body: JSON.stringify({'username': user.username,'email':user.email,'password':user.password}) - }) - } - +class AuthService extends FetchFunctions { + login (loginForm) { + console.log('Login in progress') + return this.post({ username: loginForm.username, password: loginForm.password }, 'auth/login') + } + + logout () { + console.log('Logout in progress') + return this.post({}, 'auth/logout') + } + + register (user) { + console.log('User registration in progress') + return this.post({ username: user.username, email: user.email, password: user.password }, 'auth/register') + } + + activate (token) { + console.log('User activation in progress') + return this.post({ token: token }, 'auth/activate') + } + + forgot (emailObj) { + console.log('Sending reset email') + return this.post(emailObj, 'auth/forgot') + } + + reset (newPasswordAndToken) { + console.log('Resetting password') + return this.post(newPasswordAndToken, 'auth/reset') + } } -export default new AuthService(); +export default new AuthService() diff --git a/frontend/src/services/color.functions.js b/frontend/src/services/color.functions.js new file mode 100644 index 0000000..9a092b8 --- /dev/null +++ b/frontend/src/services/color.functions.js @@ -0,0 +1,76 @@ +import FetchFunctions from './fetch.service' + +class ColorFunctions extends FetchFunctions { + formatColorData () { + return this.get('plot/popularcolors').then(response => response.json()) + } + + hexToRgbA (hex, opacity) { + var c + if (/^#([A-Fa-f0-9]{3}){1,2}$/.test(hex)) { + c = hex.substring(1).split('') + if (c.length === 3) { + c = [c[0], c[0], c[1], c[1], c[2], c[2]] + } + c = '0x' + c.join('') + + return 'rgba(' + [(c >> 16) & 255, (c >> 8) & 255, c & 255].join(', ') + ', ' + opacity + ')' + } + throw new Error('Bad Hex') + } + + invertColor (rgbColor, opacity) { + var invertedString = 'rgba(' + console.log(rgbColor) + rgbColor.forEach(colorValue => { + colorValue = 255 - colorValue + invertedString = invertedString + colorValue + ', ' + }) + invertedString = invertedString + (1 - opacity) + ')' + return invertedString + } + + createGradientString (color, interval, inverse) { + var colorString = '' + for (var i = interval[0]; i < interval[1]; i += 7) { + if (inverse) { + colorString = colorString + color + ' ' + i + '%, ' + } else { + colorString = colorString + this.hexToRgbA(color, i / 100) + ' ' + i + '%, ' + } + } + return colorString + } + + hexToInverseGradient (hex, index) { + console.log(this.hexToRgbA(hex, index)) + const rawString = this.createGradientString( + this.invertColor(this.hexToRgbA(hex, index) + .slice(6, this.hexToRgbA(hex, index).lastIndexOf(')')) + .split(',') + .slice(0, 3), + index / 100), + [index, index + 7], + true) + const rgbOnly = rawString.slice(0, rawString.lastIndexOf(')') + 1) + let startOpacity = rgbOnly.slice(rgbOnly.lastIndexOf('.') - 1, rgbOnly.indexOf(')')) + startOpacity = startOpacity.slice(0, startOpacity.indexOf('.') + 3) + var stopOpacity = 0 + if (startOpacity < 0.03) { + stopOpacity = startOpacity + 0.14 + } else { + stopOpacity = startOpacity - 0.14 + } + var stopGradient = rgbOnly.slice(0, rgbOnly.lastIndexOf(', ')) + stopGradient = String(stopGradient) + ', ' + + String(stopOpacity).slice(0, String(stopOpacity).indexOf('.') + 2) + ')' + return { + startY: String(index) + '%', + stopY: String(index + 7) + '%', + startGradient: rgbOnly, + stopGradient: stopGradient + } + } +} + +export default new ColorFunctions() diff --git a/frontend/src/services/color.selector.service.js b/frontend/src/services/color.selector.service.js deleted file mode 100644 index b195180..0000000 --- a/frontend/src/services/color.selector.service.js +++ /dev/null @@ -1,28 +0,0 @@ -const API_URL = 'http://localhost:5000/api/'; - -class ColorSelection { - getInitialChoices(uid){ - return fetch(API_URL+'getplotcolors', { - method: 'POST', - mode: 'cors', - headers: { - 'Content-Type': 'application/json', - }, - body: JSON.stringify({'uid':uid}) - }) - } - getAvailableChoices(){ - return fetch(API_URL+'colorPanelData') - } - commitColorChange(changeInfo){ - return fetch(API_URL+'setPlotColors', { - method: 'POST', - mode: 'cors', - headers: { - 'Content-Type': 'application/json', - }, - body: JSON.stringify(changeInfo) - }) - } -} -export default new ColorSelection(); \ No newline at end of file diff --git a/frontend/src/services/fetch.service.js b/frontend/src/services/fetch.service.js new file mode 100644 index 0000000..2227cad --- /dev/null +++ b/frontend/src/services/fetch.service.js @@ -0,0 +1,66 @@ +const API_URL = 'http://localhost:8000/api/' +const unprotectedRoutes = ['plot/listofcolors', 'auth/login', 'auth/register', 'auth/reset', 'auth/forgot', 'auth/activate'] + +export default class FetchFunctions { + determineTimeRange () { + const timeOfReading = new Date() + const timeArr = [] + for (let i = 0; i < 3; i++) { + timeArr.push(new Date()) + timeArr[i].setHours(8 * i, 0, 0, 0) + } + if (timeOfReading > timeArr[0] && timeOfReading < timeArr[1]) { + return 'morning' + } else if (timeOfReading > timeArr[1] && timeOfReading < timeArr[2]) { + return 'midday' + } else { + return 'evening' + } + } + + updateToken () { + return fetch('http://localhost:8000/api/auth/refresh', + { + headers: { + Refresh: localStorage.getItem('refreshToken'), + 'Check-Token': localStorage.getItem('accessToken') + } + }) + .then(response2 => response2.json()) + .then((data) => { + window.localStorage.setItem('accessToken', data.access_token) + }) + } + + async post (payload, route) { + if (unprotectedRoutes.includes(route) === false) { + await this.updateToken() + } + return fetch(API_URL + route, { + method: 'POST', + mode: 'cors', + credentials: 'include', + headers: { + Authorization: 'Bearer ' + localStorage.getItem('accessToken'), + Refresh: localStorage.getItem('refreshToken'), + 'Content-Type': 'application/json' + }, + body: JSON.stringify(payload) + }) + } + + async get (route) { + if (unprotectedRoutes.includes(route) === false) { + await this.updateToken() + } + return fetch(API_URL + route, { + method: 'GET', + mode: 'cors', + credentials: 'include', + headers: { + Authorization: 'Bearer ' + localStorage.getItem('accessToken'), + 'Content-Type': 'application/json' + } + }) + } +} diff --git a/frontend/src/services/group.service.js b/frontend/src/services/group.service.js new file mode 100644 index 0000000..ee0400c --- /dev/null +++ b/frontend/src/services/group.service.js @@ -0,0 +1,6 @@ +import FetchFunctions from './fetch.service' + +class GroupFunctions extends FetchFunctions { +} + +export default new GroupFunctions() diff --git a/frontend/src/services/plot.functions.js b/frontend/src/services/plot.functions.js new file mode 100644 index 0000000..1f27bc3 --- /dev/null +++ b/frontend/src/services/plot.functions.js @@ -0,0 +1,91 @@ +import FetchFunctions from './fetch.service' + +class PlotFunctions extends FetchFunctions { + coordinateTransform (e, quadrant) { + var xValue = 0 + var yValue = 0 + const xCoordinate = (e.clientX - e.target.getBoundingClientRect().x) + const yCoordinate = e.clientY - e.target.getBoundingClientRect().y + switch (quadrant) { + case 'one': + xValue = -1 * (7 - xCoordinate * (7 / (e.target.getBoundingClientRect().right - e.target.getBoundingClientRect().x))) + yValue = (7 - yCoordinate * (7 / (e.target.getBoundingClientRect().bottom - e.target.getBoundingClientRect().y))) + break + case 'two': + xValue = xCoordinate * (7 / (e.target.getBoundingClientRect().right - e.target.getBoundingClientRect().x)) + yValue = 7 - yCoordinate * (7 / (e.target.getBoundingClientRect().bottom - e.target.getBoundingClientRect().y)) + break + case 'three': + xValue = -1 * (7 - xCoordinate * (7 / (e.target.getBoundingClientRect().right - e.target.getBoundingClientRect().x))) + yValue = -1 * (yCoordinate * (7 / (e.target.getBoundingClientRect().bottom - e.target.getBoundingClientRect().y))) + break + case 'four': + xValue = (xCoordinate * (7 / (e.target.getBoundingClientRect().right - e.target.getBoundingClientRect().x))) + yValue = -1 * (yCoordinate * (7 / (e.target.getBoundingClientRect().bottom - e.target.getBoundingClientRect().y))) + break + } + return { + happinessVal: Number(String(xValue).slice(0, String(xValue).lastIndexOf('.') + 2)), + calmVal: Number(String(yValue).slice(0, String(yValue).lastIndexOf('.') + 2)) + } + } + + maplerize (val, axis) { + if (axis === 'x') { + return (((val + 7) * 100) / 14) + } else { + return 100 - (((val + 7) * 100) / 14) + } + } + + classifyMoodValues (coordinates) { + return this.bucketMood({ + x: { magnitude: Math.round(Math.abs(coordinates.happinessVal)), sign: Math.sign(coordinates.happinessVal) }, + y: { magnitude: Math.round(Math.abs(coordinates.calmVal)), sign: Math.sign(coordinates.calmVal) } + }) + } + + bucketMood (coordinatePair) { + const bucketMagnitude = { + 0: 'barely', + 1: 'slightly', + 2: 'somewhat', + 3: 'noticeably', + 4: 'quite', + 5: 'very', + 6: 'extremely', + 7: 'incredibly' + } + const bucketHappiness = { + '-1': 'sad', + 1: 'happy', + 0: 'any happiness or sadness' + } + const bucketCalm = { + '-1': 'anxious', + 1: 'calm', + 0: 'any calm or anxiety' + } + const classificationInformation = { + happiness: { + severity: bucketMagnitude[coordinatePair.x.magnitude], + mood: bucketHappiness[coordinatePair.x.sign] + }, + calm: { + severity: bucketMagnitude[coordinatePair.y.magnitude], + mood: bucketCalm[coordinatePair.y.sign] + } + } + return classificationInformation + } + + returnGradient (request) { + if (request.axis === 'h') { + return { x1: 1, x2: 0, y1: 0.5, y2: 0.5 } + } else if (request.axis === 'v') { + return { x1: 0.5, x2: 0.5, y1: 0, y2: 1 } + } + } +} + +export default new PlotFunctions() diff --git a/frontend/src/services/visualization.functions.js b/frontend/src/services/visualization.functions.js new file mode 100644 index 0000000..a435dfc --- /dev/null +++ b/frontend/src/services/visualization.functions.js @@ -0,0 +1,14 @@ +import { select } from 'd3' +class VisualizationFunctions { + drawGradients (svgRef) { + const svg = select(svgRef) + for (let i = 0; i < 14; i++) { + svg.append('rect') + .attr('y', String(i * 7)) + .attr('width', '100%') + .attr('height', '7%') + .attr('fill', 'pink') + } + } +} +export default new VisualizationFunctions() diff --git a/frontend/src/services/visualization.service.js b/frontend/src/services/visualization.service.js deleted file mode 100644 index edc7aba..0000000 --- a/frontend/src/services/visualization.service.js +++ /dev/null @@ -1,129 +0,0 @@ -const API_URL = 'http://localhost:5000/api/'; - -class VisualizationService { - getLineChart(uid,variableOfInterest) { - return fetch(API_URL+'retrieveLineChart', { - method: 'POST', - mode: 'cors', - headers: { - 'Content-Type': 'application/json', - }, - body: JSON.stringify({'uid':uid, 'returnVariable':variableOfInterest}) - }) - } - - getClickMap(uid) - { - return fetch(API_URL+'retrieveClickMap', { - method: 'POST', - mode: 'cors', - headers: { - 'Content-Type': 'application/json', - }, - body: JSON.stringify({'uid':uid}) - }) - - - } - async getAndClassifyClickHistory(uid){ - const classified=[]; - const preClassified=await fetch(API_URL+'getMostRecentClicks', { - method: 'POST', - mode: 'cors', - headers: { - 'Content-Type': 'application/json', - }, - body: JSON.stringify({'uid':uid}) - }).then(res=>res.json()) - for (let index in preClassified){ - const valAtIndex=preClassified[index] - classified.push(this.classifyMoodValues(valAtIndex,true)) - } - return classified - } - - classifyMoodValues(moodValuePair,prepared){ - var timeStamp=0 - if ('day' in moodValuePair) - { - timeStamp=moodValuePair.day.slice(0, 19).replace(/-/g, "/").replace("T", " ") - } - else - { - timeStamp=(new Date()).toISOString().slice(0, 19).replace(/-/g, "/").replace("T", " ") - } - var magnitudeX; var magnitudeY; - const coordinatePair= - { - x:{magnitude:0,sign:0}, - y:{magnitude:0,sign:0} - } - if (prepared===true){ - magnitudeX=moodValuePair.happy; - magnitudeY=moodValuePair.calm; - } - else - { - if ((moodValuePair.x)<10){ - magnitudeX=0 - } - else { - magnitudeX=(moodValuePair.x-300)*(7/300) - } - if (moodValuePair.y<10){ - magnitudeY=0 - - } - else { - magnitudeY=(moodValuePair.y-300)*(-7/300) - } - } - const signX=Math.sign(magnitudeX) - - const signY=Math.sign(magnitudeY) - - coordinatePair.x={magnitude:Math.round(Math.abs(magnitudeX)),sign:signX} - coordinatePair.y={magnitude:Math.round(Math.abs(magnitudeY)),sign:signY} - - const bucketMagnitude={ - 0:"barely", - 1:"slightly", - 2:"somewhat", - 3:"noticeably", - 4:"quite", - 5:"very", - 6:"extremely", - 7:"incredibly" - } - const bucketHappiness={ - "-1":"sad", - 1:"happy", - 0:"any happiness or sadness" - } - const bucketCalm={ - "-1":"anxious", - 1:"calm", - 0:"any calm or anxiety" - } - const classificationInformation={ - happiness: { - severity:bucketMagnitude[coordinatePair.x.magnitude], - mood:bucketHappiness[coordinatePair.x.sign], - }, - calm:{ - severity:bucketMagnitude[coordinatePair.y.magnitude], - mood:bucketCalm[coordinatePair.y.sign] - }, - timeStamp:timeStamp - } - - return classificationInformation - } - - - - - -} - -export default new VisualizationService(); diff --git a/frontend/src/services/weight.functions.js b/frontend/src/services/weight.functions.js new file mode 100644 index 0000000..6c2e57c --- /dev/null +++ b/frontend/src/services/weight.functions.js @@ -0,0 +1,52 @@ +import FetchFunctions from './fetch.service' + +class WeightFunctions extends FetchFunctions { + wackyLogic (pathCoordinates) { + return { + x: (this.checkForZero(pathCoordinates.x)), + y: (this.checkForZero(pathCoordinates.y)) + } + } + + checkForZero (v) { + if (Math.abs(v) < 0.001) { + return 0 + } else { + return Math.sign(v) / 1 + } + } + + polarToCartesian (vertexData) { + var radius = 100 + if ('radius' in vertexData) { + radius = vertexData.radius + } + const sign = { + x: 1, + y: 1 + } + const theta = ((vertexData.iter) * ((Math.PI * 2) / vertexData.nGon)) + if (theta < Math.PI / 2 && theta > Math.PI * 3 / 2) { + sign.x = -1 + } + if (theta < Math.PI && theta > 2 * Math.PI) { + sign.y = -1 + } + const x = radius * sign.x * Math.cos((vertexData.iter * ((Math.PI * 2) / vertexData.nGon))) + const y = radius * sign.x * Math.sin((vertexData.iter * ((Math.PI * 2) / vertexData.nGon))) + return { + x: x, + y: y + } + } + + computeWiggleRoom (radii) { + var sumRadii = 0 + for (const r of radii) { + sumRadii += r + } + return 100 - sumRadii + } +} + +export default new WeightFunctions() diff --git a/frontend/src/store/auth.module.js b/frontend/src/store/auth.module.js index ef451e8..dc45bbe 100644 --- a/frontend/src/store/auth.module.js +++ b/frontend/src/store/auth.module.js @@ -1,68 +1,61 @@ -import AuthService from '../services/auth.service'; +import AuthService from '../services/auth.service' -const user = JSON.parse(localStorage.getItem('user')); -const initialState = user - ? { status: { loggedIn: true }, user } - : { status: { loggedIn: false }, user: null }; +const initialState = { + loggedIn: false +} export const auth = { namespaced: true, state: initialState, actions: { - login({ commit }, user) { - return AuthService.login(user).then( - response=> - { - if (response.ok) { - commit('loginSuccess',response) - return response + login ({ commit }, user) { + return AuthService.login(user) + .then( + response => response.json()) + .then( + data => { + if ('detail' in data) { + return 'Failed' } - else{ - commit('loginFailure'); - return Error(response.statusText || response.status) + commit('loginSuccess', data) + return data + } + ) + .catch( + (error) => { + commit('loginFailure') + return error } - } - ) - }, - logout({ commit }, user) { - AuthService.logout(user); - commit('logout'); }, - register({ commit }, user) { - return AuthService.register(user).then( - response => { - if(response.ok){ - commit('registerSuccess'); - return response - } - else{ - commit('registerFailure'); - return Error(response.statusText || response.status) - } - } - ) + logout ({ commit }) { + localStorage.clear() + commit('logoutSuccess') }, + activate ({ commit }, token) { + commit('loginSuccess', token) }, + refresh ({ commit }) { + commit('loginSuccess') + } + }, mutations: { - loginSuccess(state, user) { - state.status.loggedIn = true; - state.user = user; - }, - loginFailure(state) { - state.status.loggedIn = false; - state.user = null; + loginSuccess (state, tokenData) { + state.loggedIn = true + window.localStorage.setItem('accessToken', tokenData.access_token) + window.localStorage.setItem('refreshToken', tokenData.refresh_token) }, - logout(state) { - state.status.loggedIn = false; - state.user = null; + loginFailure (state) { + state.loggedIn = false + state.user = null }, - registerSuccess(state) { - state.status.loggedIn = false; + logoutSuccess (state) { + state.loggedIn = false + return AuthService.logout() }, - registerFailure(state) { - state.status.loggedIn = false; + refreshToken (state, newToken) { + window.localStorage.setItem('accessToken', newToken) } - }, + } -}; +} diff --git a/frontend/src/store/classification.module.js b/frontend/src/store/classification.module.js index b96a96a..ea83c5d 100644 --- a/frontend/src/store/classification.module.js +++ b/frontend/src/store/classification.module.js @@ -1,30 +1,25 @@ -const initialState={ - happiness: { - severity:"", - mood:"", - }, - calm:{ - severity:"", - mood:"" - } +const initialState = { + happiness: { + severity: '', + mood: '' + }, + calm: { + severity: '', + mood: '' + } } export const moodClassification = { - namespaced:true, - state:initialState, - // actions:{ - // classifyCoordinates(state){ - // console.log(state) - // }, - // }, - getters: { - getClassification( state ){ - return state.happiness.severity; - } - }, - mutations:{ - setNewClassification(state,classificationState){ - state=classificationState; - } + namespaced: true, + state: initialState, + getters: { + getClassification (state) { + return state.happiness.severity } -} \ No newline at end of file + }, + mutations: { + setNewClassification (state, classificationState) { + state = classificationState + } + } +} diff --git a/frontend/src/store/community.data.module.js b/frontend/src/store/community.data.module.js new file mode 100644 index 0000000..a07799b --- /dev/null +++ b/frontend/src/store/community.data.module.js @@ -0,0 +1,46 @@ +import PlotFunctions from '@/services/plot.functions.js' + +const initialState = { + dayList: [], + clickMap: [], + averageLineChartHappiness: [], + averageLineChartCalm: [], + totalHappinessByDay: [], + totalCalmByDay: [], + clickCount: 0 + +} + +export const communityData = { + namespaced: true, + state: initialState, + getters: { + }, + actions: { + + async communityClickData ({ commit }) { + const dataToCommit = await PlotFunctions.get('plot/communityclickdata').then(response => response.json()) + commit('createClickArray', dataToCommit) + } + }, + mutations: { + createClickArray (state, arrayData) { + Object.keys(arrayData).forEach(key => { + state[key] = arrayData[key] + }) + }, + + addNewClick (state, clickData) { + state.lineChartArrays.happinessVals.push(clickData.lineChart.happinessVal) + state.lineChartArrays.calmVals.push(clickData.lineChart.calmVal) + state.clickMapArray.push(clickData.clickMap) + }, + + wipeDataState (state) { + Object.keys(initialState).forEach(key => { + state[key] = initialState[key] + }) + } + + } +} diff --git a/frontend/src/store/data.module.js b/frontend/src/store/data.module.js deleted file mode 100644 index 5598ec6..0000000 --- a/frontend/src/store/data.module.js +++ /dev/null @@ -1,22 +0,0 @@ -import VisualizationService from "@/services/visualization.service" - -const initialState = { - newPoint:{} -} - -export const plotData = { - namespaced:true, - state:initialState, - actions: { - convertPointData( { commit },pointData){ - const dataToCommit=VisualizationService.classifyMoodValues(pointData,false) - commit('addNewPoint',dataToCommit) - } - }, - mutations:{ - addNewPoint(state,newPointData){ - state.newPoint=newPointData - // console.log(state) - } - } -} diff --git a/frontend/src/store/group.creator.js b/frontend/src/store/group.creator.js new file mode 100644 index 0000000..a44cbdd --- /dev/null +++ b/frontend/src/store/group.creator.js @@ -0,0 +1,26 @@ +export const groupCreator = { + namespaced: true, + state: { + allFormData: {}, + phaseList: ['name'], + currentPhase: 'name', + confirmColorChange: false + }, + mutations: { + nextForm (state, formData) { + state.allFormData[state.currentPhase] = formData.formValues + state.phaseList.push(formData.nextFormName) + state.currentPhase = formData.nextFormName + }, + previousForm (state) { + if (state.currentPhase in state.allFormData) { + delete state.allFormData[state.currentPhase] + } + state.phaseList.pop() + state.currentPhase = state.phaseList[state.phaseList.length - 1] + }, + readyToConfirmColorChange (state) { + state.confirmColorChange = true + } + } +} diff --git a/frontend/src/store/index.js b/frontend/src/store/index.js index 6d73d04..3cca3d7 100644 --- a/frontend/src/store/index.js +++ b/frontend/src/store/index.js @@ -1,23 +1,29 @@ -import { createStore } from "vuex"; -import { auth } from "./auth.module"; -import { wheelLock } from "./visualization.module"; -import { currentMoodColors } from "./plot.color.module"; -import { moodClassification } from "./classification.module"; -import { plotData } from './data.module' -import createPersistedState from "vuex-persistedstate"; +import { createStore } from 'vuex' +import { auth } from './auth.module' +import { wheelLock } from './visualization.module' +import { moodClassification } from './classification.module' +import { userData } from './user.data.module' +import { butts } from './weight.module' +import { communityData } from './community.data.module' +import { plotPage } from './plot.page.module' +import { groupCreator } from './group.creator' +import createPersistedState from 'vuex-persistedstate' const store = createStore({ modules: { auth, - currentMoodColors, + plotPage, wheelLock, moodClassification, - plotData, + userData, + communityData, + groupCreator, + butts }, plugins: [createPersistedState({ - paths:['auth','currentMoodColors'] - })], + paths: ['auth', 'userData', 'communityData', 'butts'] + })] -}); +}) -export default store; +export default store diff --git a/frontend/src/store/plot.color.module.js b/frontend/src/store/plot.color.module.js deleted file mode 100644 index 59342bc..0000000 --- a/frontend/src/store/plot.color.module.js +++ /dev/null @@ -1,83 +0,0 @@ -import ColorSelection from '@/services/color.selector.service.js' - -const initialState={ - user:"", - colorProfile: { - happy:"", - calm:"", - anxious:"", - sad:"", - }, - panelVisibility:false, - colorSelection:"", - variableSelection:"", - showDemoColor:false, - demoColor:"", -} -export const currentMoodColors = { - namespaced: true, - state: initialState, - getters: { - packageChangeData(state){ - return { - uid:state.user, - toChange:state.colorSelection, - variable:state.variableSelection - } - }, - changePendingCommit(state){ - if(state.colorSelection!=""){ - return true - } - }, - initialColorData(state,variable){ - return state.colorProfile[variable] - } - }, - actions: { - createInitialState( {commit}, uid) { - ColorSelection.getInitialChoices(uid) - .then(res=>res.json()) - .then(data => { - commit('createState',data) - }) - }, - }, - mutations: { - showColorDemonstration(state, demonstrationData){ - state.demoColor=demonstrationData - state.showDemoColor=true; - }, - clearSelection(state){ - state.colorSelection=""; - state.panelVisibility=false; - state.variableSelection=""; - }, - showPanel(state,showOrHide){ - state.panelVisiblity=showOrHide; - }, - setColorToChange(state,chosenColor){ - state.colorSelection=chosenColor; - }, - setVariableToChange(state,variableName){ - state.variableSelection=variableName; - }, - createState(state,stateData) { - state.user=stateData.uid; - state.colorProfile.happy=stateData.happy; - state.colorProfile.calm=stateData.calm; - state.colorProfile.anxious=stateData.anxious; - state.colorProfile.sad=stateData.sad; - }, - changeColor(state,colorChoice) { - state.colorProfile[colorChoice.variableName]=colorChoice.selectedColor; - }, - wipeColorState(state){ - console.log(state) - Object.keys(initialState).forEach(key => { state[key]=initialState[key]}) - console.log(state) - } - }, - - -} \ No newline at end of file diff --git a/frontend/src/store/plot.page.module.js b/frontend/src/store/plot.page.module.js new file mode 100644 index 0000000..487a5ad --- /dev/null +++ b/frontend/src/store/plot.page.module.js @@ -0,0 +1,134 @@ +import ColorFunctions from '@/services/color.functions.js' + +const defaultColors = { + happiness: '#FBF6D9', + calm: '#CFECEC', + anxiety: '#C35817', + sadness: '#2B1B17' +} + +const initialPanelState = { + oldColorToChange: '', + newColorOfChange: '', + variableSelectedForColorChange: '', + inPanelSubset: '', + colorList: {} +} + +const initialGridState = { + colorProfile: defaultColors, + showDataCollectionBox: false, + showTextVariableQuadrant: { quadrant: '', move: false }, + animateTextInQuadrant: '', + activeQuadrant: 'none', + panelState: initialPanelState, + displayOnlyMode: 0, + incrementDisplayToggle: 1, + hoverOnlyMode: false +} + +export const plotPage = { + namespaced: true, + state: initialGridState, + getters: { + organizeColorsByQuadrant (state) { + const quadrantsByVariable = { + one: ['sadness', 'calm'], + two: ['happiness', 'calm'], + three: ['sadness', 'anxiety'], + four: ['happiness', 'anxiety'] + } + + if (state.activeQuadrant !== 'none') { + const vars = quadrantsByVariable[state.activeQuadrant] + return { + x: vars[0], + y: vars[1], + number: state.activeQuadrant + } + } else { + const allQuadrantState = {} + for (const [number, variables] of Object.entries(quadrantsByVariable)) { + allQuadrantState[number] = { + x: variables[0], + y: variables[1], + number: number + } + } + return allQuadrantState + } + } + }, + actions: { + loadListOfColors ({ commit }) { + ColorFunctions.get('plot/listofcolors') + .then(res => res.json()) + .then(data => { commit('holdListOfColors', data) }) + }, + retrieveUserColorChoices ({ commit }) { + return ColorFunctions.post({}, 'plot/usercolorchoice') + .then(res => res.json()) + .then(data => { + commit('loadUserColorChoices', data) + }) + } + }, + mutations: { + setDisplayToggleIncrementValue (state, value) { + if (value === 2) { + state.displayOnlyMode = 1 + } + state.incrementDisplayToggle = value + }, + toggleHoverOnlyMode (state) { + state.hoverOnlyMode = !state.hoverOnlyMode + }, + toggleDisplayOnlyMode (state) { + state.displayOnlyMode = (state.displayOnlyMode + state.incrementDisplayToggle) % 2 + if (state.displayOnlyMode === 0) { + return false + } else { + return true + } + }, + activateQuadrant (state, quadrantToActivate) { + state.activeQuadrant = quadrantToActivate + }, + animateText (state, quadrantToAnimate) { + state.animateTextInQuadrant = quadrantToAnimate + }, + loadUserColorChoices (state, colorChoices) { + state.colorProfile.happiness = colorChoices.happiness.hex + state.colorProfile.sadness = colorChoices.sadness.hex + state.colorProfile.calm = colorChoices.calm.hex + state.colorProfile.anxiety = colorChoices.anxiety.hex + }, + setVariableForColorChange (state, value) { + if (value === '') { + state.colorProfile[state.panelState.variableSelectedForColorChange] = state.panelState.oldColorToChange + state.panelState.variableSelectedForColorChange = value + state.panelState.oldColorToChange = '' + state.panelState.inPanelSubset = '' + } else { + state.panelState.variableSelectedForColorChange = value + state.panelState.oldColorToChange = state.colorProfile[value] + } + }, + holdColorChange (state, value) { + state.panelState.newColorOfChange = value + state.colorProfile[state.panelState.variableSelectedForColorChange] = value + }, + setColorSubset (state, subsetName) { + state.panelState.inPanelSubset = subsetName + }, + clearPanelState (state) { + state.panelState.oldColorToChange = '' + state.panelState.newColorOfChange = '' + state.panelState.variableSelectedForColorChange = '' + state.panelState.inPanelSubset = '' + }, + holdListOfColors (state, list) { + state.panelState.colorList = list + } + } +} diff --git a/frontend/src/store/user.data.module.js b/frontend/src/store/user.data.module.js new file mode 100644 index 0000000..ddc664b --- /dev/null +++ b/frontend/src/store/user.data.module.js @@ -0,0 +1,67 @@ +import PlotFunctions from '@/services/plot.functions.js' +// import { timeParse, extent} from 'd3' + +const initialState = { + happiness: [], + calm: [], + mapX: [], + mapY: [], + timestamp: [] +} + +export const userData = { + namespaced: true, + state: initialState, + getters: { + // refactoring possible here + returnMostRecent (state) { + const i = state.happiness.length - 1 + const toBucket = { + x: { + magnitude: Math.round(Math.abs(state.happiness[i])), + sign: Math.sign(state.happiness[i]) + }, + y: { + magnitude: Math.round(Math.abs(state.calm[i])), + sign: Math.sign(state.calm[i]) + } + } + return PlotFunctions.bucketMood(toBucket) + }, + packageChartData (state) { + return { + happiness: state.happiness, + calm: state.calm, + count: state.calm.length + } + } + }, + actions: { + + async retrieveClickData ({ commit }) { + const dataToCommit = await PlotFunctions.get('plot/userclickdata').then(response => response.json()) + commit('createClickArray', dataToCommit) + } + }, + mutations: { + createClickArray (state, arrayData) { + state.happiness = arrayData.happiness + state.calm = arrayData.calm + state.mapX = arrayData.mapX + state.mapY = arrayData.mapY + state.timestamp = arrayData.timestamp + }, + + addNewClick (state, clickData) { + state.happiness.push(clickData.lineChart.happinessVal) + state.calm.push(clickData.lineChart.calmVal) + state.mapX.push(clickData.clickMap.happinessVal) + state.mapY.push(clickData.clickMap.calmVal) + }, + + wipeDataState (state) { + Object.keys(initialState).forEach(key => { state[key] = initialState[key] }) + } + + } +} diff --git a/frontend/src/store/visualization.module.js b/frontend/src/store/visualization.module.js index feda1ec..9e62c60 100644 --- a/frontend/src/store/visualization.module.js +++ b/frontend/src/store/visualization.module.js @@ -1,17 +1,17 @@ export const wheelLock = { - namespaced:true, - state:{mouseOverMap:false}, - getters:{ - isWheelLocked(state){ - return state.mouseOverMap - } + namespaced: true, + state: { mouseOverMap: false }, + getters: { + isWheelLocked (state) { + return state.mouseOverMap + } + }, + mutations: { + lockWheel (state) { + state.mouseOverMap = true }, - mutations:{ - lockWheel(state){ - state.mouseOverMap=true; - }, - unlockWheel(state){ - state.mouseOverMap=false; - } + unlockWheel (state) { + state.mouseOverMap = false } -} \ No newline at end of file + } +} diff --git a/frontend/src/store/weight.module.js b/frontend/src/store/weight.module.js new file mode 100644 index 0000000..dd00e28 --- /dev/null +++ b/frontend/src/store/weight.module.js @@ -0,0 +1,124 @@ +import WeightFunctions from '@/services/weight.functions.js' + +const initialState = { + weightsByRadius: {}, + interval: null, + moveOtherPoints: false, + pathByVariable: {}, + wiggleRoom: 100, + activeVariable: null, + snapshotRadius: {}, + pathToFrom: [] +} + +export const butts = { + namespaced: true, + state: initialState, + getters: { + dataForDotRendering (state) { + return { + numPoints: Object.keys(state.weightsByRadius).length, + buttNames: Object.keys(state.weightsByRadius) + } + } + }, + actions: { + createButts ({ commit }) { + WeightFunctions.get('allot/retrieveweightdata') + .then(res => res.json()) + .then(data => { + commit('loadInitialButts', data) + }) + }, + newButt ({ commit }, butt) { + WeightFunctions.post({}, 'allot/createnewbutton/' + butt) + commit('brandNewButt', butt) + }, + deleteButt ({ commit }, butt) { + WeightFunctions.post({}, 'allot/deletebutt/' + butt) + commit('deleteButt', butt) + } + }, + mutations: { + // takes the data on weight config from the GET request in createButts + // saves names and number of buttons to state variables + loadInitialButts (state, buttConfigData) { + state.weightsByRadius = buttConfigData + var i = 0 + for (const cPair of Object.values(buttConfigData)) { + state.pathByVariable[Object.keys(buttConfigData)[i]] = WeightFunctions.polarToCartesian({ + radius: cPair, + iter: i, + nGon: Object.keys(buttConfigData).length + }) + i++ + } + }, + drawPath (state, variable) { + state.activeVariable = variable.vName + var currentRadius = state.weightsByRadius[variable.vName] + const incrementOrDecrement = WeightFunctions.wackyLogic(variable.coordinates) + state.wiggleRoom = WeightFunctions.computeWiggleRoom(Object.values(state.weightsByRadius)) + state.interval = window.setInterval(() => { + if (state.wiggleRoom < 0.001 && variable.shrinkPath === 1) { + state.wiggleRoom = 0 + for (const [weight, radius] of Object.entries(state.weightsByRadius)) { + if (weight !== variable.vName) { + state.wiggleRoom += radius + state.snapshotRadius[weight] = radius + } + } + if (state.wiggleRoom > 0) { + state.moveOtherPoints = true + } else { + state.moveOtherPoints = false + window.clearInterval(state.interval) + state.interval = null + } + } else if (Math.abs(currentRadius) < 0.01 && variable.shrinkPath === -1) { + state.moveOtherPoints = false + window.clearInterval(state.interval) + state.interval = null + } else { + if (state.moveOtherPoints) { + const weightNames = Object.keys(state.weightsByRadius) + var adjustmentDirection = null + for (const name of weightNames) { + if (state.weightsByRadius[name] > 0 && name !== variable.vName && (Math.abs(state.pathByVariable[name].x) + Math.abs(state.pathByVariable[name].y) > 0)) { + adjustmentDirection = WeightFunctions.wackyLogic(state.pathByVariable[name]) + state.pathByVariable[name].x += (adjustmentDirection.x * -1 * variable.shrinkPath) + state.pathByVariable[name].y += (adjustmentDirection.y * -1 * variable.shrinkPath) + state.weightsByRadius[name] -= Math.sqrt(2) + console.log(name) + } + } + } + currentRadius += Math.sqrt(2) * variable.shrinkPath + state.pathByVariable[variable.vName].x += incrementOrDecrement.x * variable.shrinkPath + state.pathByVariable[variable.vName].y += incrementOrDecrement.y * variable.shrinkPath + state.weightsByRadius[variable.vName] = currentRadius + state.wiggleRoom-- + } + }, 1) + }, + completePath (state) { + window.clearInterval(state.interval) + state.interval = null + }, + generatePathToFrom (state, index) { + const weights = Object.keys(state.weightsByRadius) + var endWeight = (index === weights.length) ? weights[weights.length - 1] : weights[index] + const startWeight = weights[index - 1] + state.pathToFrom.push({ + start: { + x: state.pathByVariable[startWeight].x, + y: state.pathByVariable[startWeight].y + }, + end: { + x: state.pathByVariable[endWeight].x, + y: state.pathByVariable[endWeight].y + } + }) + } + } +} diff --git a/frontend/src/views/ActivatePage.vue b/frontend/src/views/ActivatePage.vue new file mode 100644 index 0000000..548a446 --- /dev/null +++ b/frontend/src/views/ActivatePage.vue @@ -0,0 +1,16 @@ + + + + + diff --git a/frontend/src/views/ForgotEmailPage.vue b/frontend/src/views/ForgotEmailPage.vue index 7588701..13a09b3 100644 --- a/frontend/src/views/ForgotEmailPage.vue +++ b/frontend/src/views/ForgotEmailPage.vue @@ -3,13 +3,13 @@ \ No newline at end of file + diff --git a/frontend/src/views/GroupPage.vue b/frontend/src/views/GroupPage.vue new file mode 100644 index 0000000..ee23b9a --- /dev/null +++ b/frontend/src/views/GroupPage.vue @@ -0,0 +1,42 @@ + + + + + diff --git a/frontend/src/views/LoginPage.vue b/frontend/src/views/LoginPage.vue index 8247d6b..086809b 100644 --- a/frontend/src/views/LoginPage.vue +++ b/frontend/src/views/LoginPage.vue @@ -1,15 +1,15 @@ \ No newline at end of file + diff --git a/frontend/src/views/PlotPage.vue b/frontend/src/views/PlotPage.vue index 7916c8f..646e725 100644 --- a/frontend/src/views/PlotPage.vue +++ b/frontend/src/views/PlotPage.vue @@ -1,102 +1,76 @@ \ No newline at end of file +.flexrp{ + position:fixed; + transform: translate(30%, 0); + display:flex; + margin:0; + padding:0; + flex-direction:row; + overflow:visible; +} + +.center { + transform: translate(50%, 0); + position:fixed; + margin: auto; + width: 50vw; + height: 50vw; + /* border: 3px solid gray; */ +} + +/* .flexc{ + display:flex; + margin:0; + padding:0; + flex-direction:column; +} */ + diff --git a/frontend/src/views/RegPage.vue b/frontend/src/views/RegPage.vue index f76f80e..238d369 100644 --- a/frontend/src/views/RegPage.vue +++ b/frontend/src/views/RegPage.vue @@ -3,13 +3,13 @@ \ No newline at end of file + diff --git a/frontend/src/views/ResetPasswordPage.vue b/frontend/src/views/ResetPasswordPage.vue index a310089..780ffeb 100644 --- a/frontend/src/views/ResetPasswordPage.vue +++ b/frontend/src/views/ResetPasswordPage.vue @@ -3,14 +3,14 @@ \ No newline at end of file + diff --git a/frontend/src/views/UserHomePage.vue b/frontend/src/views/UserHomePage.vue index 25128ca..9e713c2 100644 --- a/frontend/src/views/UserHomePage.vue +++ b/frontend/src/views/UserHomePage.vue @@ -6,8 +6,8 @@ \ No newline at end of file + diff --git a/frontend/src/views/WeightPage.vue b/frontend/src/views/WeightPage.vue index 7e97468..4c8a1a7 100644 --- a/frontend/src/views/WeightPage.vue +++ b/frontend/src/views/WeightPage.vue @@ -1,5 +1,5 @@ \ No newline at end of file + + diff --git a/frontend/tailwind.config.js b/frontend/tailwind.config.js deleted file mode 100644 index a173496..0000000 --- a/frontend/tailwind.config.js +++ /dev/null @@ -1,11 +0,0 @@ -module.exports = { - purge: ['./index.html', './src/**/*.{vue,js}'], - darkMode: false, // or 'media' or 'class' - theme: { - extend: {}, - }, - variants: { - extend: {}, - }, - plugins: [], -} diff --git a/frontend/vue.config.js b/frontend/vue.config.js new file mode 100644 index 0000000..e71d916 --- /dev/null +++ b/frontend/vue.config.js @@ -0,0 +1,7 @@ +module.exports = { + pages: { + index: { + entry: 'src/main.js' + } + }, +} \ No newline at end of file diff --git a/group data diagram.png b/group data diagram.png new file mode 100644 index 0000000..056be04 Binary files /dev/null and b/group data diagram.png differ diff --git a/main.py b/main.py deleted file mode 100644 index 29eece8..0000000 --- a/main.py +++ /dev/null @@ -1,28 +0,0 @@ -# from models.userModel import User -from fastapi import FastAPI, Depends -from fastapi.middleware.cors import CORSMiddleware -from pymongo import MongoClient -from routes import loginandregistration -from fastapi.security import OAuth2PasswordBearer - -app=FastAPI() -oauth2_scheme= OAuth2PasswordBearer(tokenUrl="token") - -origins=[ - "http://localhost:8080" -] - -app.add_middleware( - CORSMiddleware, - allow_origins=origins, - allow_credentials=True, - allow_methods=["*"], - allow_headers=["*"], -) - -app.include_router(loginandregistration.loginAndRegistrationRoute) - -@app.get('/') -def index(): - return "Test" - \ No newline at end of file diff --git a/models/userModel.py b/models/userModel.py deleted file mode 100644 index 7305d50..0000000 --- a/models/userModel.py +++ /dev/null @@ -1,53 +0,0 @@ -from typing import Optional -from db import userData -import bcrypt -from fastapi import HTTPException -from schemas.userSchema import parseUser -from pydantic import BaseModel, EmailStr, Field -from datetime import datetime,timedelta -import jwt -secret="BLO08OM2380wAit2381I2370Me3an1530Wart9sblo0od15102430Spr4eaDs760750372w3aRTs294419Yo15U6234510Sa33iD459374" -class UserForRegistration(BaseModel): - username: str - password: str - email: EmailStr - - - def addUserToDatabase(self): - checkUsername={'username':self.username} - # use find.limit instead of find_one because find will return whether or not doc exists - # and find_one will return the whole doc - if userData.find(checkUsername).limit(1).count()>0: - raise HTTPException(status_code=404,detail="User already exists, try another username") - else: - userToDB=self.dict() - # userToDB['password']=bcrypt.hashpw(self.password.encode('utf-8'),bcrypt.gensalt()) - userToDB['password']=bcrypt.hashpw(self.password.encode('utf-8'), bcrypt.gensalt()) - userData.insert_one(userToDB) - return {"Message":"User created successfully"} - - - -class UserForLogin(BaseModel): - username:str - password:str - - def loginUser(self): - checkUsername={'username':self.username} - if userData.find(checkUsername).limit(1).count()<1: - raise HTTPException(status_code=404,detail="Username not registered") - else: - userToCheck=userData.find_one(checkUsername) - if bcrypt.checkpw(self.password.encode('utf-8'), userToCheck['password']): - payload = { - 'exp' : datetime.utcnow() + timedelta(days=0,minutes=33), - 'iat':datetime.utcnow(), - 'sub': self.username - } - encoded_jwt = jwt.encode(payload, secret, algorithm="HS256") - return {'token': encoded_jwt} - else: - raise HTTPException(status_code=404,detail="Password is incorrect") - - - \ No newline at end of file diff --git a/moodbase.egg-info/SOURCES.txt b/moodbase.egg-info/SOURCES.txt deleted file mode 100644 index 07f7afd..0000000 --- a/moodbase.egg-info/SOURCES.txt +++ /dev/null @@ -1,11 +0,0 @@ -setup.py -models/__init__.py -models/userModel.py -moodbase.egg-info/PKG-INFO -moodbase.egg-info/SOURCES.txt -moodbase.egg-info/dependency_links.txt -moodbase.egg-info/top_level.txt -routes/__init__.py -routes/loginandregistration.py -schemas/__init__.py -schemas/userSchema.py \ No newline at end of file diff --git a/routes/loginandregistration.py b/routes/loginandregistration.py deleted file mode 100644 index 40b5af3..0000000 --- a/routes/loginandregistration.py +++ /dev/null @@ -1,15 +0,0 @@ -from fastapi import APIRouter -from models.userModel import UserForLogin,UserForRegistration - -loginAndRegistrationRoute=APIRouter( - prefix="/api/user", - tags=['UserAuthentication'], -) - -@loginAndRegistrationRoute.post('/registeruser') -def registerUser(newUser: UserForRegistration): - return newUser.addUserToDatabase() - -@loginAndRegistrationRoute.post('/loginuser') -def loginUser(userToLogin: UserForLogin): - return userToLogin.loginUser() diff --git a/schemas/userSchema.py b/schemas/userSchema.py deleted file mode 100644 index f3449f5..0000000 --- a/schemas/userSchema.py +++ /dev/null @@ -1,7 +0,0 @@ -def parseUser(user) -> dict: - return{ - "id":str(user['_id']), - "username":user['username'], - "email":user['email'], - "password":user['password'] - } \ No newline at end of file